Multipurpose folding tool car

Abstract

The utility model provides a multipurpose folding tool car capable of being dragged by a bicycle and manually pushed and pulled, which comprises a tool car frame structure and a linking piece, and the tool car frame structure is provided with a foldable and rotatable traction handle; the traction handle comprises a fixing piece, a first pull rod, a rotary connecting piece, a second pull rod and a handle; the connecting piece is a special-shaped piece, and the two ends of the connecting piece are connected with the traction handle and a bicycle beam of the bicycle respectively. The multipurpose folding tool car has multiple functions of a pet trailer, a camping car, a tool car and a baby carriage, enables a consumer to enjoy the functions of various different types of cars while only saving money of one car, has extremely high cost performance, is economical and environment-friendly, can be independently used, can be dragged by a bicycle and can also be manually pushed and pulled, and is convenient to use. The linkage pieces in special shapes enable dragging and turning operation to be smooth, the arch-shaped ceiling structure is windproof and rainproof, wind resistance is greatly reduced, and when not used, the folding type folding ladder can be folded and stored, and storage and transportation space is reduced.

Description

Technical Field

[0001] The utility model relates to the technical fields of tool carts, camping vehicles, pet trailers, baby carriages and bicycle trailers, and in particular to a multi-purpose folding tool cart which can be towed by a bicycle and pushed and pulled manually. Background Art

[0002] As people's leisure and living habits change, outdoor cycling, camping, pet travel and other ways are becoming more and more diverse. At present, camping cars, pet trailers, baby carriages and tool carts on the market exist independently, each with only one function, and there are also the following problems:

[0003] (1) Pet trailers on the market are usually two-wheeled or three-wheeled, and are fixed to the rear wheel axis of a bicycle using a fixed rod. This fixing method has limited angles and is difficult to control when turning at a large angle. At the same time, when not in use, the trailer does not have a foldable function and will take up a lot of storage space.

[0004] (2) Campers and utility vehicles on the market can only be used independently and cannot be towed with bicycles. The distance of use is limited and manual towing is very physically demanding. At the same time, campers and utility vehicles rarely have roof designs. Even if they do, they are all upright and have poor wind and rain protection.

[0005] (3) Currently, baby strollers on the market can only be used by pushing or pulling them manually and cannot be towed by a bicycle.

[0006] How to comprehensively solve the above problems is the subject faced by the present utility model. Utility Model Content

[0007] In view of the shortcomings of the prior art, the utility model provides a multi-purpose folding tool cart that can be towed by a bicycle and pushed and pulled manually. The connection design and folding design solve the problems of difficult operation and storage of traditional pet trailers. The connection design solves the usage limitations of camping cars, tool carts and baby strollers.

[0008] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0009] A multi-purpose foldable tool cart that can be towed by a bicycle and pushed and pulled manually comprises a tool cart frame structure and a linking member, wherein the tool cart frame structure is provided with a foldable and rotatable pulling handle; the pulling handle comprises a fixing member, a first pull rod, a rotating connecting member, a second pull rod, and a handle; the linking member is a special-shaped member, and the two ends of the linking member are respectively connected to the pulling handle and the beam of a bicycle to realize the rotational connection between the tool cart and the bicycle.

[0010] Furthermore, a locking ring is provided at one end of the linking member for connection with the beam of the bicycle; and an opening portion with a "concave" shaped opening is provided at the other end for movably connecting with the handlebar.

[0011] Furthermore, the fixing member is fixed to the lower part of the frame structure, one end of the first pull rod is rotatably connected to the fixing member, and the other end is fixedly connected to the rotating connecting member, and one end of the second pull rod is fixedly connected to the rotating connecting member, and the other end is fixedly connected to the handle.

[0012] Furthermore, the rotating connector includes two connecting parts whose angles can be adjusted relative to each other, and a control lock is arranged in the middle. The angle between the two connecting parts can be arbitrarily adjusted and locked through the control lock.

[0013] Furthermore, a rotating support column is provided at the end of the opening of the link, and a fisheye bearing is provided at the end of the second pull rod or on the handle, and the rotating support column cooperates with the fisheye bearing to realize the rotation connection between the bicycle and the tool cart and multi-angle control use; or,

[0014] A fisheye bearing is arranged at the end of the opening of the link, and a rotating support column is arranged at the end of the second pull rod or on the handle. The rotating support column cooperates with the fisheye bearing to realize the rotation connection between the bicycle and the tool cart and multi-angle control.

[0015] The main part of the link is integrally injection-molded, one end of which can be riveted to a rotating support column or provided with a fisheye bearing, and the other end of which is provided with a locking ring.

[0016] The opening of the link can sometimes be directly hooked onto the handle to tow the tool cart, which is used in situations where the turning angle is too large or the slope is large.

[0017] Furthermore, the top of the tool vehicle frame structure is provided with an arched canopy structure, which includes an adjustable fixing, an elastic support rod, a three-way connector, and a support rod. The adjustable fixing is fixed to the four corners of the top of the frame structure, and the adjustable fixing is provided with an angle adjustment part and a fixing part. The two sides of the three-way connector are respectively connected to one end of two elastic support rods, and the other ends of the two elastic support rods are respectively connected to the angle adjustment part to form a bridge-type structure. The bridge-type structures on both sides are connected in series to form a whole through the connection between the two ends of the support rod and the three-way connector. The arched canopy structure can greatly reduce wind resistance and is relatively novel and beautiful.

[0018] Furthermore, a canopy is mounted on the arched canopy structure.

[0019] Furthermore, a reinforcing fixing rod is provided at the middle position of the front and rear sides of the tool vehicle frame structure, and fixing buckles are provided on both sides, both of which are used to fix the canopy.

[0020] Furthermore, the tool trolley frame structure has two front ends at the bottom, and two sleeves are fixedly connected thereto; the sleeves are rotatably connected to a fixing frame, and each fixing frame has a front wheel rotatably connected thereto; and a rear wheel is fixedly or detachably connected thereto on both sides of the rear end of the bottom of the tool trolley frame structure.

[0021] Furthermore, a rotating module is provided at the top of the rear end of the tool trolley frame structure, and the rotating module is fixedly connected to a rear push handle.

[0022] Compared with the prior art, the advantages and positive effects of the utility model are:

[0023] (1) The multi-purpose folding tool cart of the utility model realizes the function of a pet trailer. The specially shaped linking parts make the towing and turning operation smooth. The arched roof structure greatly reduces the wind resistance. Moreover, when not in use, it can be folded and stored, thus reducing the storage and transportation space.

[0024] (2) The multi-purpose folding tool cart of the utility model realizes the functions of a camping vehicle and a tool cart and can be used independently. It can be towed by a bicycle or pushed or pulled manually. It also has an arched canopy structure to prevent wind and rain.

[0025] (3) The multi-purpose folding tool cart of the utility model realizes the functions of a baby carriage and can be pushed or pulled manually or towed by a bicycle.

[0026] In summary, the multi-purpose folding tool cart of the utility model has multiple uses and multiple usage methods, so that consumers only spend the price of one car but can enjoy the functionality of multiple different types of vehicles. It has extremely high cost performance, is economical and environmentally friendly.

[0027] After reading the detailed description of the embodiments of the present invention in conjunction with the accompanying drawings, other features and advantages of the present invention will become more clear. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0029] Figure 1 It is a schematic diagram of the overall structure of a specific embodiment of the multi-purpose folding tool vehicle of the utility model;

[0030] Figure 2 It is a schematic diagram of the overall structure of a specific embodiment of the multi-purpose folding tool vehicle of the utility model (without the canopy);

[0031] Figure 3 This is a reference diagram of a multi-purpose folding tool cart of an embodiment of the utility model being towed by a bicycle in a specific use state;

[0032] Figure 4This is a schematic structural diagram of a specific embodiment of the multi-purpose folding tool vehicle of the utility model after being fully folded;

[0033] Figure 5 It is a structural diagram of the link;

[0034] Figure 6 is a schematic diagram of the structure of a rotating connection;

[0035] Figure 7 It is a schematic diagram of the structure of the handle;

[0036] Figure 8 It is a schematic diagram of the structure of the adjustable fixing. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0038] refer to Figure 1-4 As shown, a specific embodiment of the utility model is a multi-purpose foldable tool cart that can be towed by a bicycle and pushed and pulled manually, including a tool cart frame structure 10 and a connecting member 20. The tool cart frame structure 10 is provided with a foldable and rotatable pulling handle 30, and the pulling handle 30 includes a fixing member 31, a first pull rod 32, a rotating connecting member 33, a second pull rod 34, and a handle 35; the connecting member 20 is a special-shaped member, and the two ends of the connecting member 20 are respectively connected to the pulling handle 30 and the beam of the bicycle to realize the rotation connection between the tool cart and the bicycle.

[0039] like Figure 1 , 2 As shown, an arched canopy structure 40 is provided on the top of the tool cart frame structure 10. The arched canopy structure 40 includes an adjustable fixing member 41, an elastic support rod 42, a three-way connector 43, and a support rod 44. The adjustable fixing member 41 is respectively fixed to the four corners of the top of the frame structure.

[0040] like Figure 8 As shown, the adjustable fixing member 41 is provided with an angle adjustment portion 411 and a fixing portion 412, and the two ends of the three-way connector 43 are respectively connected to one end of the two elastic support rods 42, and the other ends of the two elastic support rods 42 are respectively connected to the angle adjustment portion 411 to form a bridge-type structure. The bridge-type structures on both sides are connected to the three-way connector 43 through the connection of the two ends of the support rod 44 to connect the two bridge-type structures on the left and right in series into a whole. The arched canopy structure can greatly reduce wind resistance and is relatively novel and beautiful. A canopy 45 is mounted on the arched canopy structure 40, and a reinforcing fixing rod 11 is provided at the middle position of the front and rear sides of the tool vehicle frame structure 10, and fixing buckles 12 are provided on both sides, both of which are used to fix the canopy 45.

[0041] like Figure 5 As shown, a locking ring 21 is provided at one end of the link 20 for connecting with the beam of the bicycle; an opening portion 22 with a "concave" opening is provided at the other end for movably connecting with the handle 35.

[0042] The fixing member 31 is a U-shaped member, which is welded and fixed to the lower part of the frame structure. One end of the first pull rod 32 is rotatably connected to the fixing member 31, and the other end is fixedly connected to the rotating connecting member 33. One end of the second pull rod 34 is fixedly connected to the rotating connecting member 33, and the other end is fixedly connected to the handle 35.

[0043] like Figure 6 As shown, the rotating connecting member 33 includes two connecting parts 331 whose angles can be adjusted with each other, and a control lock 332 is arranged in the middle, and the angle between the two connecting parts can be adjusted and locked by the control lock 332. Figure 1 As shown, the angle between the two connecting parts is 90°, and when the tool cart is fully folded, as shown in FIG. Figure 4 As shown, the angle between the two connecting parts is 0°, and the pulling handle 30 and the push handle 17 can be folded as shown in the figure, and the first pull rod 32 and the second pull rod 34 of the pulling handle 30 are completely parallel. In actual use, the pulling handle 30 can also adjust the angle between the first pull rod 32 and the second pull rod 34 according to actual conditions, so that the tool cart can be dragged more smoothly.

[0044] like Figure 5 , 7 As shown, a fisheye bearing 351 is provided on the handle 35, and a rotating support column 352 is fixed to the end of the opening of the link 20. The link 20 and the pulling handle 30 are rotatably connected through the fisheye bearing 351 and the rotating support column 352 to realize the multi-angle control and dragging of the tool cart. During the driving and dragging of the bicycle, under the connection of the link, the tool cart can move smoothly with the movement, whether turning or climbing.

[0045] As a variation of the above embodiment, the fisheye bearing may also be disposed at the end of the second pull rod 34, and the rest of the connection methods are the same as above.

[0046] Alternatively, a fisheye bearing is provided at the end of the opening of the link 20, and a rotating support column is provided at the end of the second pull rod 34 or on the handle. Similarly, the rotating support column cooperates with the fisheye bearing to realize the rotation connection between the bicycle and the tool cart and multi-angle control.

[0047] The main body of the link 20 is integrally injection molded, one end of which can be riveted to a rotating support column or provided with a fisheye bearing, and the other end of which is provided with a locking ring.

[0048] The opening of the link 20 can sometimes be directly hooked onto the handle to tow the tool cart, which is used in situations where the turning angle is too large or the slope is large.

[0049] The two sides of the front end of the bottom of the tool cart frame structure are fixedly connected to the shaft sleeves 18, which are rotatably connected to the fixing frame 13. Each fixing frame 13 is rotatably connected to a front wheel 14; the two sides of the rear end of the bottom of the tool cart frame structure 10 are fixedly or detachably connected to a rear wheel 15. The front wheel 14 is smaller and the rear wheel 15 is larger. The design of the large and small wheels makes the tool cart turn more smoothly. Figure 3 As shown, when the tool cart is connected to the bicycle, the two front small wheels are off the ground, which is also for smooth riding.

[0050] A rotating module 16 is provided at the top of the rear end of the tool trolley frame structure 10. The rotating module 16 is fixedly connected to a rear push handle 17. When the tool trolley is folded, Figure 4 As shown, the push handle 17 can also be folded down by rotating the module to reduce the occupied space.

[0051] The multi-purpose folding tool cart of the utility model has multiple uses, is practical and beautiful, and meets the needs of people's increasingly diverse leisure life habits.

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A multi-purpose folding tool cart, comprising a tool cart frame structure and connecting parts, characterized in that: The tool cart frame structure is provided with a foldable and rotatable pulling handle; The pulling handle includes a fixing member, a first pulling rod, a rotating connecting member, a second pulling rod, and a handle; The linking member is a special-shaped member, and the two ends of the linking member are respectively connected to the pulling handle and the beam of the bicycle, so as to realize the rotation connection between the tool cart and the bicycle.

2. The multi-purpose folding tool cart according to claim 1, characterized in that: A locking ring is provided at one end of the linking member for connecting with the beam of the bicycle; The other end is provided with an opening portion with a "concave" shaped opening for movably connecting with the handle.

3. The multi-purpose folding tool cart according to claim 1, characterized in that: The fixing member is fixed to the lower part of the frame structure; One end of the first pull rod is rotatably connected to the fixing member, and the other end is fixedly connected to the rotating connecting member; one end of the second pull rod is fixedly connected to the rotating connecting member, and the other end is fixedly connected to the handle.

4. The multi-purpose folding tool cart according to claim 1, characterized in that: The rotating connector includes two connecting parts whose angles can be adjusted with each other, and a control lock is arranged in the middle. The angle between the two connecting parts can be adjusted arbitrarily and locked by the control lock.

5. The multi-purpose folding tool cart according to claim 2, characterized in that: A rotating support column is provided at the end of the opening of the link, and a fisheye bearing is provided at the end of the second pull rod or on the handle, and the rotating support column cooperates with the fisheye bearing to realize the rotation connection between the bicycle and the tool cart and multi-angle control use; or, A fisheye bearing is arranged at the end of the opening of the link, and a rotating support column is arranged at the end of the second pull rod or on the handle. The rotating support column cooperates with the fisheye bearing to realize the rotation connection between the bicycle and the tool cart and multi-angle control.

6. The multi-purpose folding tool cart according to claim 5, characterized in that: The main body of the linking member is integrally injection-molded.

7. The multi-purpose folding tool cart according to claim 1, characterized in that: The top of the tool cart frame structure is provided with an arched canopy structure; The arched canopy structure includes an adjustable fixing, an elastic support rod, a three-way connector, and a support rod; The adjustable fixing member is fixed to the four corners of the top end of the frame structure, and the adjustable fixing member is provided with an angle adjustment portion and a fixing portion; The two sides of the three-way connector are respectively connected to one end of the two elastic support rods, and the other ends of the two elastic support rods are respectively connected to the angle adjustment parts to form a bridge structure; The bridge-shaped structures on both sides are connected in series into a whole by connecting the two ends of the support rods with the three-way connectors; A canopy is mounted on the arched canopy structure.

8. The multi-purpose folding tool vehicle according to claim 7, characterized in that: A reinforcing fixing rod is provided at the middle position of the front side and the rear side of the tool vehicle frame structure, and fixing buckles are provided on both sides, both of which are used to fix the canopy.

9. The multi-purpose folding tool cart according to claim 1, characterized in that: The two sides of the front end of the bottom of the tool vehicle frame structure are respectively fixedly connected to shaft sleeves, the shaft sleeves are rotatably connected to fixed frames, and each of the fixed frames is rotatably connected to a front wheel; A rear wheel is fixedly or detachably connected to both sides of the rear end of the bottom of the tool vehicle frame structure.

10. The multi-purpose folding tool cart according to claim 1, characterized in that: A rotating module is provided at the top of the rear end of the tool trolley frame structure, and a rear push handle is fixedly connected to the rotating module.

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