WO2008083427A1 - A hose fitting - Google Patents

A hose fitting Download PDF

Info

Publication number
WO2008083427A1
WO2008083427A1 PCT/AU2007/001850 AU2007001850W WO2008083427A1 WO 2008083427 A1 WO2008083427 A1 WO 2008083427A1 AU 2007001850 W AU2007001850 W AU 2007001850W WO 2008083427 A1 WO2008083427 A1 WO 2008083427A1
Authority
WO
WIPO (PCT)
Prior art keywords
pin
pin portion
coupling member
passage
transverse
Prior art date
Application number
PCT/AU2007/001850
Other languages
French (fr)
Inventor
Timothy Francis Leeson
Original Assignee
Pirtek Fluid Systems Pty. Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from AU2007900117A external-priority patent/AU2007900117A0/en
Application filed by Pirtek Fluid Systems Pty. Ltd filed Critical Pirtek Fluid Systems Pty. Ltd
Priority to AU2007343583A priority Critical patent/AU2007343583A1/en
Publication of WO2008083427A1 publication Critical patent/WO2008083427A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
    • F16L37/14—Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain
    • F16L37/142—Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain where the securing element is inserted tangentially
    • F16L37/144—Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain where the securing element is inserted tangentially the securing element being U-shaped
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2201/00—Special arrangements for pipe couplings
    • F16L2201/20—Safety or protective couplings

Definitions

  • the present invention relates to hose fittings and more particularly but not exclusively the hose fittings employed in the mining industry.
  • hoses are used for the purposes of conducting fluids under pressure. Frequently hose lengths are coupled and/or a hose coupled to apparatus by means of a hose fitting or fittings, including a female hose coupling member and a male hose coupling member.
  • hoses are often employed to deliver fluids (such as air or hydraulic fluid) under high pressure. Due to these high pressures, a failure in a coupling can be extremely dangerous.
  • a further disadvantage of the above described pin is that it can become dislodged allowing separation of the coupling members.
  • a hose fitting through which a fluid under pressure is to pass, the fitting including: a female coupling member providing a longitudinal passage extending inwardly of the female member from an opening; a male coupling member having a longitudinal passage and located within the female passage via said opening so that the male coupling member is sealingly connected to the female coupling member to provide for the flow of the fluid under pressure through the passages; and wherein said male coupling member has a transverse groove that is located within the female coupling member, said female coupling member has a transverse passage to be aligned with said groove, and said fitting further includes; a pin assembly in said transverse passage and groove to prevent separation of the female coupling member and the male coupling member, said pin assembly including a first longitudinal portion in said transverse passage, a second longitudinal portion also in said transverse passage and engaged with said first pin portion to prevent separation thereof and removal from within said transverse passage unless there is deformation of said pin assembly.
  • said first pin portion includes a transversely extending projection
  • said second pin portion has a recess into which said projection extends to prevent separation of the first and second pin portions.
  • said transverse passage is a first passage
  • said female coupling member includes a second transverse passage generally parallel to the first passage
  • said groove is a first groove
  • said male coupling member includes a second groove, said second groove being aligned with said second passage
  • said pin assembly includes a first pin member of generally "U" shaped configuration having said first pin portion, and providing a third pin portion with the third pin portion being connected to said first pin portion by a transverse base, and a second pin member, said second pin member being a generally "U” shaped configuration and providing said second pin portion and having a fourth pin portion joined to the second pin portion by a transverse base, with the second pin portion being generally parallel to the fourth pin portion, with the third and fourth pin portions being located in said second transverse passage and engaging in said second groove so that in combination with said first pin portion and said second pin portion, separation of said female coupling member with respect to said male coupling member is prevented unless there is deformation of said first and/or said second pin member.
  • said third pin portion is a first
  • said third pin portion has a transverse projection
  • said fourth pin portion a recess within which the projection of said third pin portion is received to prevent the separation of said third pin portion with respect to said fourth pin portion without deformation of said first and/or pin member.
  • Figure 1 is a schematic sectioned end elevation of a hose fitting
  • Figure 2 is a schematic further sectioned end elevation of the fitting of Figure 1 ;
  • Figure 3 is a schematic side elevation of a female coupling member of the fitting of Figures 1 and 2.
  • the hose fitting 10 includes a female coupling member 11 and a male coupling member 12.
  • the female coupling member 1 1 has a longitudinal passage 13 extending inwardly of female coupling member 11 from an end opening 14.
  • the passage 13 is circular in transverse cross section as is the male coupling member 12.
  • the male coupling member 12 projects inwardly of the female coupling member 11 via the end opening 14.
  • the male coupling member 12 has a longitudinal passage 15 that communicates with the passage 13 to provide for the flow of fluid longitudinally of the passages 13 and 15.
  • the female coupling member 1 1 has a pair of transverse passage 16 that extend entirely through the female member 11 and are generally parallel.
  • the male member 12 has an annular groove 17 providing groove portions 18 that are aligned with the passages 16 when the male member 12 is correctly located within the female member 11.
  • a pin assembly 19 projects through the passages 16 and engages the groove portions 18 to prevent separation of the female coupling member 11 with respect of the male coupling member 12.
  • the pin assembly 19 can only be removed by deformation of the pin 19 and more preferably by facture of one or more portions of the pin assembly 19.
  • the pin assembly 19 includes a first pin member 20 that engages a second pin member 21 when the pin members 20 and 21 are correctly installed and projecting through the passages 16 as best in Figure 2.
  • the first pin member 20 is of a "U" configuration so as to have a pair of generally parallel arms 22 joined by an end transverse base 23.
  • the arms 20 provide pin portions that are located within the passages 16.
  • the second pin member 29 is also of a "U" configuration so as to provide a pair of generally parallel arms 24 joined by a transverse base 25.
  • the arms 24 provide pin portions that are located within the passages 16.
  • Each arm 22 engages a corresponding one of the arms 24 so that co-operating arms 22 and 24, when located in the passages 16, also project into the groove portions 18 to prevent separation of the female coupling member 11 with respect to the male coupling member 12. More particularly the arms 24 project into the groove 17.
  • the co-operating arms 22 and 24 are inserted to engage to prevent their separation.
  • the pin member 20 is inserted in the direction 26 and the pin member 21 inserted in the opposite direction 27.
  • the arms 22 each have a projection 28 having an end abutment surface 29 and a ramp surface 30.
  • the co-operating arm 24 has a pair of recesses 31 and 32, each recess 31/32 being configured to engage a respective one of the projections 28.
  • Each recess 31 includes an abutment face 33 that engages the abutment face 29 to prevent separation of the pin members 20 and 21.
  • the ramp surfaces 30 engage the end extremities of the arms 24 to facilitate movement of the projections 28 past the end extremities of the pin member 21.
  • the arms 24 resiliently deform radially inwardly to provide for a passage of the projection 28 longitudinally of the arms 24.
  • the recesses 32 provide an engaged position at which the male coupling member 12 can be removed from within the female coupling member 11.
  • the pin members 20 and 21 can only be disengaged by deforming the pin members 20 and 21 and more particularly causing fracture thereof. Accordingly, the pin member 21 cannot be reused requiring a user to install a new pin member 21 when properly coupling the members 1 1 and 12.

Abstract

A hose fitting (10) that would be typically employed in the mining industry. The hose fitting (10) includes a female coupling member (11) and a male coupling member (12). To secure the members (11, 12) together there is provided a pin assembly (19) including transversely extending pin members (20, 21) that engage.

Description

A HOSE FITTING
Technical Field
The present invention relates to hose fittings and more particularly but not exclusively the hose fittings employed in the mining industry.
Background of the Invention
It is very common to use hoses for the purposes of conducting fluids under pressure. Frequently hose lengths are coupled and/or a hose coupled to apparatus by means of a hose fitting or fittings, including a female hose coupling member and a male hose coupling member. In the mine industry hoses are often employed to deliver fluids (such as air or hydraulic fluid) under high pressure. Due to these high pressures, a failure in a coupling can be extremely dangerous.
In the mine industry it is known to have a transverse pin extend through the female coupling member and engage the male coupling member to prevent separation. These pins are reusable however they do suffer from fatigue. Accordingly, if a fatigued pin is used, it is vulnerable to fail and may allow separation of the male and female coupling members when a fluid under pressure is passing therethrough. As mentioned, unintentional separation can be dangerous.
A further disadvantage of the above described pin is that it can become dislodged allowing separation of the coupling members.
Object of the Invention
It is the object of the present invention to overcome or substantially at least one of the above disadvantages.
Summary of the Invention There is disclosed herein a hose fitting through which a fluid under pressure is to pass, the fitting including: a female coupling member providing a longitudinal passage extending inwardly of the female member from an opening; a male coupling member having a longitudinal passage and located within the female passage via said opening so that the male coupling member is sealingly connected to the female coupling member to provide for the flow of the fluid under pressure through the passages; and wherein said male coupling member has a transverse groove that is located within the female coupling member, said female coupling member has a transverse passage to be aligned with said groove, and said fitting further includes; a pin assembly in said transverse passage and groove to prevent separation of the female coupling member and the male coupling member, said pin assembly including a first longitudinal portion in said transverse passage, a second longitudinal portion also in said transverse passage and engaged with said first pin portion to prevent separation thereof and removal from within said transverse passage unless there is deformation of said pin assembly.
Preferably, said first pin portion includes a transversely extending projection, and said second pin portion has a recess into which said projection extends to prevent separation of the first and second pin portions.
Preferably, said transverse passage is a first passage, and said female coupling member includes a second transverse passage generally parallel to the first passage, said groove is a first groove, and said male coupling member includes a second groove, said second groove being aligned with said second passage, and said pin assembly includes a first pin member of generally "U" shaped configuration having said first pin portion, and providing a third pin portion with the third pin portion being connected to said first pin portion by a transverse base, and a second pin member, said second pin member being a generally "U" shaped configuration and providing said second pin portion and having a fourth pin portion joined to the second pin portion by a transverse base, with the second pin portion being generally parallel to the fourth pin portion, with the third and fourth pin portions being located in said second transverse passage and engaging in said second groove so that in combination with said first pin portion and said second pin portion, separation of said female coupling member with respect to said male coupling member is prevented unless there is deformation of said first and/or said second pin member. Preferably, said third pin portion is engaged with said fourth pin portion by a projection engaging in a recess.
Preferably, said third pin portion has a transverse projection, and said fourth pin portion a recess within which the projection of said third pin portion is received to prevent the separation of said third pin portion with respect to said fourth pin portion without deformation of said first and/or pin member.
Brief Description of the Drawings
A preferred form of the present invention will now be described by way of example with reference to the accompanying drawings wherein: Figure 1 is a schematic sectioned end elevation of a hose fitting;
Figure 2 is a schematic further sectioned end elevation of the fitting of Figure 1 ; and
Figure 3 is a schematic side elevation of a female coupling member of the fitting of Figures 1 and 2.
Detailed Description of the Preferred Embodiment
In the accompanying drawings there is schematically depicted a hose fitting 10. The hose fitting 10 includes a female coupling member 11 and a male coupling member 12. The female coupling member 1 1 has a longitudinal passage 13 extending inwardly of female coupling member 11 from an end opening 14. The passage 13 is circular in transverse cross section as is the male coupling member 12. The male coupling member 12 projects inwardly of the female coupling member 11 via the end opening 14.
The male coupling member 12 has a longitudinal passage 15 that communicates with the passage 13 to provide for the flow of fluid longitudinally of the passages 13 and 15. The female coupling member 1 1 has a pair of transverse passage 16 that extend entirely through the female member 11 and are generally parallel.
The male member 12 has an annular groove 17 providing groove portions 18 that are aligned with the passages 16 when the male member 12 is correctly located within the female member 11. A pin assembly 19 projects through the passages 16 and engages the groove portions 18 to prevent separation of the female coupling member 11 with respect of the male coupling member 12. The pin assembly 19 can only be removed by deformation of the pin 19 and more preferably by facture of one or more portions of the pin assembly 19. The pin assembly 19 includes a first pin member 20 that engages a second pin member 21 when the pin members 20 and 21 are correctly installed and projecting through the passages 16 as best in Figure 2.
The first pin member 20 is of a "U" configuration so as to have a pair of generally parallel arms 22 joined by an end transverse base 23. The arms 20 provide pin portions that are located within the passages 16.
The second pin member 29 is also of a "U" configuration so as to provide a pair of generally parallel arms 24 joined by a transverse base 25. The arms 24 provide pin portions that are located within the passages 16.
Each arm 22 engages a corresponding one of the arms 24 so that co-operating arms 22 and 24, when located in the passages 16, also project into the groove portions 18 to prevent separation of the female coupling member 11 with respect to the male coupling member 12. More particularly the arms 24 project into the groove 17.
In the above described preferred embodiment, the co-operating arms 22 and 24 are inserted to engage to prevent their separation. In particular the pin member 20 is inserted in the direction 26 and the pin member 21 inserted in the opposite direction 27.
The arms 22 each have a projection 28 having an end abutment surface 29 and a ramp surface 30. The co-operating arm 24 has a pair of recesses 31 and 32, each recess 31/32 being configured to engage a respective one of the projections 28. Each recess 31 includes an abutment face 33 that engages the abutment face 29 to prevent separation of the pin members 20 and 21. The ramp surfaces 30 engage the end extremities of the arms 24 to facilitate movement of the projections 28 past the end extremities of the pin member 21.
During insertion of the pin members 20 and 21, the arms 24 resiliently deform radially inwardly to provide for a passage of the projection 28 longitudinally of the arms 24. Once each projection 28 is aligned with its respective recess 31, the projection 28 is urged into the aligned recess 31 so that the faces 29 and 33 abut to prevent separation of the pin members 20 and 21.
The recesses 32 provide an engaged position at which the male coupling member 12 can be removed from within the female coupling member 11.
The pin members 20 and 21 can only be disengaged by deforming the pin members 20 and 21 and more particularly causing fracture thereof. Accordingly, the pin member 21 cannot be reused requiring a user to install a new pin member 21 when properly coupling the members 1 1 and 12.

Claims

CLAIMS:
1. A hose fitting through which a fluid under pressure is to pass, the fitting including: a female coupling member providing a longitudinal passage extending inwardly of the female member from an opening; a male coupling member having a longitudinal passage and located within the female passage via said opening so that the male coupling member is sealingly connected to the female coupling member to provide for the flow of the fluid under pressure through the passages; and wherein said male coupling member has a transverse groove that is located within the female coupling member, said female coupling member has a transverse passage to be aligned with said groove, and said fitting further includes; a pin assembly in said transverse passage and groove to prevent separation of the female coupling member and the male coupling member, said pin assembly including a first longitudinal portion in said transverse passage, a second longitudinal portion also in said transverse passage and engaged with said first pin portion to prevent separation thereof and removal from within said transverse passage unless there is deformation of said pin assembly.
2. The hose fitting of claim 1 , wherein said first pin portion includes a transversely extending projection, and said second pin portion has a recess into which said projection extends to prevent separation of the first and second pin portions.
3. The hose fitting of claim 1 or 2, wherein said transverse passage is a first passage, and said female coupling member includes a second transverse passage generally parallel to the first passage, said groove is a first groove, and said male coupling member includes a second groove, said second groove being aligned with said second passage, and said pin assembly includes a first pin member of generally "U" shaped configuration having said first pin portion, and providing a third pin portion with the third pin portion being connected to said first pin portion by a transverse base, and a second pin member, said second pin member being a generally "U" shaped configuration and providing said second pin portion and having a fourth pin portion joined to the second pin portion by a transverse base, with the second pin portion being generally parallel to the fourth pin portion, with the third and fourth pin portions being located in said second transverse passage and engaging in said second groove so that in combination with said first pin portion and said second pin portion, separation of said female coupling member with respect to said male coupling member is prevented unless there is deformation of said first and/or said second pin member.
4. The hose fitting of claim 3, wherein said third pin portion is engaged with said fourth pin portion by a projection engaging in a recess.
5. The hose fitting of claim 4, wherein said third pin portion has a transverse projection, and said fourth pin portion a recess within which the projection of said third pin portion is received to prevent the separation of said third pin portion with respect to said fourth pin portion without deformation of said first and/or pin member.
PCT/AU2007/001850 2007-01-09 2007-11-30 A hose fitting WO2008083427A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2007343583A AU2007343583A1 (en) 2007-01-09 2007-11-30 A hose fitting

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2007900117 2007-01-09
AU2007900117A AU2007900117A0 (en) 2007-01-09 A hose fitting

Publications (1)

Publication Number Publication Date
WO2008083427A1 true WO2008083427A1 (en) 2008-07-17

Family

ID=39608248

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2007/001850 WO2008083427A1 (en) 2007-01-09 2007-11-30 A hose fitting

Country Status (2)

Country Link
AU (1) AU2007343583A1 (en)
WO (1) WO2008083427A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2941028A1 (en) * 2009-01-15 2010-07-16 Renault Sas CONNECTING DEVICE
WO2015119212A1 (en) * 2014-02-07 2015-08-13 株式会社ブリヂストン Joint structure and production method for joint structure
CN110375136A (en) * 2019-07-05 2019-10-25 湖北金牛管业有限公司 A kind of fast connecting joint and attaching method thereof of precision stainless steel waterpipe

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3527485A (en) * 1968-07-26 1970-09-08 Btr Industries Ltd Releasable pipe coupling
US4260184A (en) * 1979-01-18 1981-04-07 Aeroquip Corporation Fluid coupling using staple interlock
US4431218A (en) * 1982-02-05 1984-02-14 Dayco Corporation Fluid coupling and method of making same
US4537427A (en) * 1981-08-21 1985-08-27 Stratoflex, Inc. Clip for a fluid coupling
US4923350A (en) * 1987-08-04 1990-05-08 Hinksman Patrick B Laminated locking staple

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3527485A (en) * 1968-07-26 1970-09-08 Btr Industries Ltd Releasable pipe coupling
US4260184A (en) * 1979-01-18 1981-04-07 Aeroquip Corporation Fluid coupling using staple interlock
US4537427A (en) * 1981-08-21 1985-08-27 Stratoflex, Inc. Clip for a fluid coupling
US4431218A (en) * 1982-02-05 1984-02-14 Dayco Corporation Fluid coupling and method of making same
US4923350A (en) * 1987-08-04 1990-05-08 Hinksman Patrick B Laminated locking staple

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2941028A1 (en) * 2009-01-15 2010-07-16 Renault Sas CONNECTING DEVICE
WO2010081992A1 (en) * 2009-01-15 2010-07-22 Renault Sas Connection device
WO2015119212A1 (en) * 2014-02-07 2015-08-13 株式会社ブリヂストン Joint structure and production method for joint structure
JP2015148299A (en) * 2014-02-07 2015-08-20 株式会社ブリヂストン Joint structure, and method of manufacturing the joint structure
CN110375136A (en) * 2019-07-05 2019-10-25 湖北金牛管业有限公司 A kind of fast connecting joint and attaching method thereof of precision stainless steel waterpipe

Also Published As

Publication number Publication date
AU2007343583A1 (en) 2008-07-17

Similar Documents

Publication Publication Date Title
RU2404390C2 (en) Hydraulic coupling
CN109073122B (en) Fitting with tabbed retainer and viewing port
US10571038B2 (en) Breakaway coupling
NO20085167L (en) Cable valve / blowout fuse with quick welding and method of manufacture and use of the same
US7891710B2 (en) Connector with release mechanism, and method for forming a releasable fluid connection
TWI649513B (en) Resin pipe joint
EP2902686A1 (en) Tube fitting
AU2016250347B2 (en) A Seal
WO2008083427A1 (en) A hose fitting
US20240077154A1 (en) Modular end apparatus and methods for flexible hoses
RU2008108174A (en) PIPELINE CONNECTION Knot
US20170248271A1 (en) Fluid supply apparatus
US8746751B2 (en) Quick connect coupling systems with insert
CN110735978A (en) Coupling for fluid line assembly
US11867328B2 (en) Plug-in connection system for fluid-conducting components, in particular of fire extinguishing systems, and component parts of said connection system
EP3500785B1 (en) Quick coupling with multi-piece elastomer seal
US20150252931A1 (en) Quick connect-disconnect fluid coupling
KR200410072Y1 (en) A safety coupler
EP2976563B1 (en) Pipe connector and system for connecting pipes
CN110748727A (en) Universal threadless connection
CN110425359A (en) Quick connector
GB2544770A (en) Apparatus and method of connecting a water supply pipe to fitting
KR20190124550A (en) Combination member for quick coupling
EP3187766A1 (en) Pipe connecting system
WO2011009158A1 (en) A staple for a fluid coupling

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07815650

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2007343583

Country of ref document: AU

ENP Entry into the national phase

Ref document number: 2007343583

Country of ref document: AU

Date of ref document: 20071130

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 07815650

Country of ref document: EP

Kind code of ref document: A1