WO2010020112A1

WO2010020112A1 - Draw-bar cart structure

Info

Publication number: WO2010020112A1
Application number: PCT/CN2009/000928
Authority: WO
Inventors: 王瑞嘉; 苏翠玲
Original assignee: Wang Jui-Chia; Su Tsui-Ling
Priority date: 2008-08-21
Filing date: 2009-08-13
Publication date: 2010-02-25
Also published as: CN201268320Y

Abstract

A draw-bar cart (1) structure comprises a base (10), a suite of wheels and a draw-bar (13) assembled on the base. A supporting bar (20) is set on the base and the supporting bar can rotate relative to the base. A containing slot (11) for the supporting bar is set on the base. A clamp portion (30) is set on one end of the supporting bar to clamp any pipes. This structure increases the usage mode of the draw-bar cart.

Description

Trolley structure

The utility model relates to a trolley structure, in particular to a trolley structure for carrying a moving object. Background technique

Generally, the trolley truck is used to carry and move a large number or a large volume of objects. Currently, in the prior art, such as Taiwanese Patent No. 419974, No. 492441, No. 413189, No. 335783 and No. 299733 Patent Office The utility model discloses that the utility model discloses that the trolley car has the common feature that the trolley car has a base for carrying an object, a wheel disposed on the base and a pull rod for the user to drag, and according to the manner of use, the drawbar of the trolley car is It can be divided into telescopic type and folding type, so the lever can be expanded or folded when not in use, thereby reducing the volume of the trolley to facilitate storage.

When the general trolley is not in use, it is often moved by dragging or pulling by hand. For a larger or larger trolley, it is more difficult to drag or carry, so that Causes inconvenience in carrying.

It can be seen that the above-mentioned existing trolley car obviously has inconveniences and defects in structure and use, and needs to be further improved. In order to solve the above problems, the relevant manufacturers do not bother to find a solution, but the design that has not been applied for a long time has been developed, and the general product has no suitable structure to solve the above problem, which is obviously related to the relevant industry. Anxious to solve the problem. Therefore, how to create a new type of trolley structure is one of the most important research and development topics at present, and it has become an urgent goal for the industry.

In view of the defects of the above-mentioned existing trolley trucks, the inventors have actively researched and innovated based on the practical experience and professional knowledge of designing and manufacturing such products for many years, and with the use of academics, in order to create a new type of trolley car. The structure can improve the general existing trolley car, making it more practical. After continuous research, design, and repeated trials of samples and changes, the utility model has finally created a practical value. Summary of the invention

The main purpose of the utility model is to overcome the defects of the existing trolley car and provide a new type of trolley structure. The technical problem to be solved is that it not only increases the use state of the trolley, but also facilitates carrying, very Suitable for practical use.

The object of the present invention and solving the technical problems thereof are achieved by the following technical solutions. in accordance with The utility model provides a trolley structure, the trolley truck comprises a base, a wheel set and a pull rod disposed on the base, wherein the base pivots a strut capable of pivoting relative to the base, and has a The struts of the struts receive the first accommodating groove of the struts, and one end of the struts is provided with a clamp to sandwich any tube.

The object of the present invention and solving the technical problems thereof can be further realized by the following technical measures.

In the foregoing trolley structure, the wheel set includes an axle through which the base and the pole are disposed to form a pivotal relationship, and wheels disposed at both ends of the axle.

In the foregoing structure of the trolley, wherein the axle is further disposed to cause the lever to generate a pivoting stroke relative to the base, and the base is provided with a second receiving slot for receiving the lever during the pivoting stroke of the lever .

The above-mentioned trolley structure, wherein the support rod comprises a bracket provided with one end of the clamp and a pivot seat provided at the other end of the bracket, and the bracket is provided corresponding to the pivot seat for the axle to be worn Shaft hole.

In the above-mentioned tie rod structure, the bracket is provided with a positioning hole corresponding to the pivoting seat to provide a positioning pin, and the base is provided with a positioning portion in the first receiving groove to form a positioning relationship with the positioning pin.

In the foregoing trolley structure, the bracket is provided with a linkage mechanism in which the positioning pin is disengaged from the pivoting seat to enable the lever to generate a pivoting stroke.

In the above-mentioned tie rod structure, the linkage mechanism includes a cassette seat which is bored by the wheel shaft and has a displacement rail for receiving the positioning pin, and a clamping plate for interlocking displacement of the positioning pin on the displacement rail. And a brake lever coupled to the clamping plate.

In the above-mentioned tie rod structure, the positioning pin and the clamping plate are respectively provided with a linking portion and a linkage hook for inserting the positioning pin to hook the linking portion, and the linkage hook forms a linkage The interlocking portion moves the positioning pin in the displacement track.

In the foregoing structure of the trolley, wherein the card pressing plate and the clamping seat are provided with elastic bodies for pushing the clamping plate and the clamping seat respectively.

In the above-mentioned trolley structure, the clip is sleeved on the strut and is provided with a quick release tube which can be quickly disassembled on the strut and two clips which are connected to each other to clamp any tube body.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. According to the above, in order to achieve the above object, the utility model provides a trolley structure, which comprises a base, a wheel set and a pull rod disposed on the base, wherein the base pivots to pivot relative to the base a struts of the stroke, and having a first accommodating groove for accommodating the struts in the pivoting stroke, and one end of the struts is provided with a clamping member for pivoting the struts relative to the base and exposing the struts After a slot is received, any tube body can be clamped by the clip to increase the use state of the trolley and is convenient to carry.

With the above technical solution, the trolley structure of the utility model has at least the following advantages and beneficial effects: The utility model has the beneficial effects achieved by the prior art in increasing the added value of the trolley. In summary, the utility model relates to a trolley structure, which improves the defect that the traditional trolley car is not easy to carry. The trolley truck comprises a base, a wheel set and a pull rod disposed on the base, wherein the base pivots with a base a struts for generating a pivoting stroke, and having a first accommodating groove for accommodating the struts in the pivoting stroke, and one end of the struts is provided with a clamping member for pivoting and exposing the struts relative to the base After the first accommodating groove, any pipe body can be clamped by the clamp, which not only increases the use state of the trolley, but also facilitates carrying and increases the added value of the trolley. The utility model has the above advantages and practical value, and has great improvement in product structure or function, and has significant progress in technical soil, and has produced a good and practical effect, and has more advantages than the existing trolley car. The outstanding performance of the promotion makes it more suitable for practical use, and is a new, innovative and practical new design.

The above description is only an overview of the technical solutions of the present invention, and the technical means of the present invention can be more clearly understood, and can be implemented according to the contents of the specification, and the above and other objects, features and advantages of the present invention can be further improved. The following is a detailed description of the preferred embodiments and the accompanying drawings, which are described in detail below. DRAWINGS

1 is a schematic exploded view of the utility model (1).

2 is a schematic view (2) of the exploded structure of the present invention.

Figure 3 is a schematic exploded view of the strut of the utility model.

4A to 4B are schematic views of the operation of the present invention.

Figure 5 is a schematic illustration of a preferred embodiment of the present invention. detailed description

In order to further illustrate the technical means and functions of the present invention for achieving the intended purpose of the invention, the specific embodiment, structure, characteristics and the structure of the trolley structure according to the present invention will be described below with reference to the accompanying drawings and preferred embodiments. Efficacy, detailed description as follows.

The above and other technical contents, features, and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments of the invention. Through the description of the specific embodiments, a more in-depth and specific understanding of the technical means and effects of the present invention for achieving the intended purpose is obtained. However, the drawings are only for reference and explanation, and are not used for Utility models are limited.

Please refer to FIG. 1, FIG. 2 and FIG. 3, which are respectively a schematic view of the exploded structure of the utility model (1), a schematic exploded view of the utility model (2), and an exploded structure of the support rod of the utility model.

A preferred embodiment of the present invention is a trolley structure. The trolley 1 mainly includes a base 10. And a wheel set, a pull rod 13 and a strut 20 respectively disposed on the base 10, wherein the wheel set includes an axle 12 through which the base 10, the pull rod 13 and the strut 20 are disposed, and two ends disposed on the axle 14 Wheel 15, making The lever 13 and the struts 20 can respectively generate a pivoting stroke with respect to the base 10, and a first accommodating groove 11 and a second accommodating groove 12 are disposed on the base 10, so that the struts 20 and the struts 20 The rods 13 are respectively received in the first accommodating groove 11 and the second accommodating groove 12 in the pivoting stroke thereof, and a clamping member 30 is disposed at the end of the struts 20, and the clamping member 30 is sleeved on the shank The struts 20 are provided with a quick release tube 31 that can be quickly attached and detached to the struts 20 and two clips 32 that are connected to each other, thereby arranging any tube body to facilitate the storage or carrying of the rod rod vehicle 1 so that the user can The support rod 20 is received in the first accommodating groove 11 according to the use requirement, and the pull rod 13 is pivoted out of the second accommodating groove 12 to be in a first use state. Further, the tie rod 13 may be received. In the second accommodating groove 12, the struts 20 are pivoted out of the first accommodating groove 11 to be in a second use state, thus constituting the main structure of the present invention.

In the specific implementation structure of the present invention, the strut 20 includes a bracket 21 provided with the clip 30 at one end and a pivot seat 22 disposed at the other end of the bracket 21, the bracket 21 and the pivot seat 22 is provided with a shaft hole 211, 221 for the wheel shaft 14 and a positioning hole 212, 222 for arranging a positioning pin 24, and the base 10 is provided with a positioning pin in the first receiving groove 11. The positioning portion 111 of the positioning relationship is formed, and the bracket 21 and the pivoting seat 22 are provided with an interlocking mechanism for interlocking the positioning pin 24 to cause the pivoting stroke of the strut 20, wherein the connecting body The moving mechanism includes a latching seat 23 that is bored by the axle 14 and has a displacement rail 231 for receiving the positioning pin 24, a latching plate 25 that interlocks the displacement of the positioning pin 24 on the displacement rail 231, and is coupled thereto. The brake lever 27 of the clamping plate 25 is disposed, and the positioning pin 24 and the clamping plate 25 are respectively provided with a linking portion 241 and a linkage hook 251 through which the positioning pin 24 is disposed to hook the linking portion 241. The interlocking hook 251 forms a linkage 241 to make the positioning pin 24 Moving rail 231 displacement of the interlocking rails 252, Further, the tenon and the tenon platen holder 25 is provided with two ends of the elastic pressing plate 25 and the tenon of the tenon 23 of the seat body 26 between the ejector 23.

Referring to Figures 4A-4B, Figures 4A-4B are schematic views of the operation of the present invention. To illustrate the operation mode of the pole 20 of the present invention, FIG. 4A is a second state of use of the trolley car 1, and the elastic body 26 pushes the card holder 23 and the card pressing plate 25 with the elastic force thereof. The interlocking portion 241 of the positioning pin 24 is located at one end of the interlocking rail 252 by the interlocking hook 251, and the positioning pin 24 extends out of the displacement rail 231 to be positioned at the positioning portion of the first receiving slot 11. 111 ;

If the strut 20 is to be received in the first receiving groove 11, the brake lever 27 is biased to urge the brake lever 27 to push the clamping plate 25, and the clamping plate 25 compresses the elastic body 26. Moving to the cassette holder 2 3, the interlocking portion 241 of the positioning pin 24 is displaced by the interlocking hook 251 and displaced in the interlocking track 252, and the positioning pin 24 is displaced toward the displacement. Moving within the track 231;

Until the latching plate 25 abuts against the latching seat 23, the linking portion 241 of the positioning pin 24 moves to the other end of the linking rail 252, and the positioning pin 24 moves into the displacement rail 231 to be disengaged. The positioning portion 111 releases its positioning relationship (as shown in FIG. 4B);

In this way, the pole 20 can be pivoted relative to the base 10 and received into the first receiving slot 11 . Making the trolley car 1 in a first use state;

On the other hand, the struts 20 can also pivot relative to the base 10 in the first accommodating space to retract the positioning pin 24 and the positioning portion 111 to return to the second use state, as shown in FIG. 5 , A schematic diagram of a preferred embodiment of the present invention. When the trolley car 1 is in the second use state, any pipe body, such as a pipe body under the bicycle seat cushion, can be interposed by the two clips 32 of the clamp 30, thereby fixing the trolley car 1 to the pipe body.

In summary, the utility model mainly comprises a rod 20 provided by the trolley car 1, and a clamp 30 for clamping any pipe body is arranged at one end of the strut 20, so that the trolley car 1 is coupled to any pipe body. It is easy to carry and can increase the use state of the trolley car 1.

From the above, it can be seen that the utility model achieves an advantageous effect compared to the prior art in that the added value of the trolley car is increased.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention. Those skilled in the art can make some modifications or modifications to equivalent embodiments, which can be modified by the above-mentioned technical contents, without departing from the technical solutions of the present invention. Any simple modifications, equivalent changes and modifications made to the above embodiments in accordance with the technical spirit of the present invention are still within the scope of the technical solutions of the present invention.

Claims

Claim

1. A trolley structure, the trolley (1) comprising a base (1), a wheel set and a tie rod (13) disposed on the base (10), wherein:

The base (10) pivots a strut (20) that generates a pivoting stroke relative to the base (10), and has a first capacity for receiving the strut (20) during the pivoting stroke of the strut (20) The groove (11) is provided with a clamp (30) at the end to sandwich any tube.

2. The trolley structure according to claim 1, wherein the wheel set comprises an axle (14) through which the base (10) and the pole (20) are configured to form a pivotal relationship. And wheels (15) placed at both ends of the axle ( ).

3. The trolley structure according to claim 2, wherein the axle (14) further passes the lever (13) to cause a pivoting stroke of the lever (13) relative to the base (10), and The base (10) is provided with a second receiving groove (12) for accommodating the pull rod (13) during the pivoting stroke of the pull rod (13).

4. The trolley structure according to claim 2, wherein the strut (20) comprises a bracket (21) provided with one end of the clamp (30) and a set of the bracket (21) The other end of the pivoting seat (22), and the bracket (21) corresponding to the pivoting seat (22) is provided with shaft holes (211), (221) for the wheel shaft (14).

The structure of the trolley structure according to claim 4, wherein the bracket (21) and the pivoting seat (22) are correspondingly provided with a positioning hole (212), (222) for arranging a positioning pin. (24), the base (10) is provided with a positioning portion (111) in a positioning relationship with the positioning pin (24) in the first receiving groove (11).

The structure of the trolley structure according to claim 5, wherein the bracket (21) and the pivoting seat (22) are provided with a linkage positioning relationship between the positioning pin (24) to make the branch The rod (20) is capable of generating a linkage mechanism for the pivoting stroke.

The structure of a trolley according to claim 6, wherein the linkage mechanism comprises a transmission shaft (14) and a displacement rail (231) for receiving the positioning pin (24). The latching seat (23), the latching plate (25) that interlocks the positioning pin (24) in the displacement rail (231), and the brake lever (27) coupled to the latching plate (25).

The structure of the trolley structure according to claim 7, wherein the positioning pin (24) and the clamping plate (25) are respectively provided with a linking portion (241) and a positioning pin is disposed. (24) a linkage hook (251) for hooking the linkage portion (241), the linkage hook (251) forming a linkage portion (241) to cause the positioning pin (24) to be in the displacement rail (231) The moving track (252) in the middle movement.

The structure of the trolley structure according to claim 7, wherein the two sides of the clamping plate (25) and the clamping seat (23) are respectively pushed to push the clamping plate (25). And the elastomer (26) of the cassette seat (23).

10. The structure of a trolley according to claim 1, wherein the clamping member (30) is sleeved on the strut (20) and is provided with a quick disassembly and assembly on the strut (20). The quick release tube (31) and the two are connected to each other. The clip (32) for clamping any tube body is provided.