Foldable multifunctional cart

Abstract

The utility model discloses a foldable multifunctional cart in the technical field of carts, which comprises a cart frame and a handrail, the cart frame is integrally of a hollow structure, a fence mounting seat is fixedly arranged at one end of the cart frame, the fence mounting seat is of a U-shaped structure, a protective fence is mounted in the fence mounting seat in an inserted manner, and the handrail is fixedly connected with the fence mounting seat. Mounting matching holes are correspondingly formed in the fence mounting seat and the protective fence, bolts are mounted in the mounting matching holes, a handrail is fixedly mounted at one end, far away from the fence mounting seat, of the stroller frame, and a hand brake is arranged above the handrail. The cart has three use modes of a three-wheel walking state, a two-wheel walking state and a single-wheel walking state, the use requirements of different road conditions can be met, the rear supporting wheels matched with the cart are of a foldable storage structure, the front universal wheels are of a detachable storage and displacement structure, the structure is simple, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the related technical field of handcart, concretely relates to a foldable multi -purpose handcart. BACKGROUND

[0002] The handcart is a simple and easy carrying device commonly used in daily work and life, usually provided with a frame, moving wheels and a handrail, the frame is used for placing the goods to be transported, and the goods are moved to another place by pushing, so as to realize the transfer of the goods, and the handcart is also needed in the equipment transfer in fire rescue, the existing handcart is usually provided with a fixed structure, and the function is relatively single, and the handcart occupies a large space when not in use and when transported.

[0003] Therefore, the utility model is provided. CONTENT OF THE UTILITY MODEL

[0004] The utility model solves the technical problem of overcoming the defects of the prior art, and provides a foldable multi -purpose handcart, in order to solve the above technical problem, the basic idea of the technical scheme of the utility model is:

[0005] A foldable multi -purpose handcart, including handcart frame and handrail, the whole of the handcart frame is hollow structure, one end of the handcart frame is fixedly provided with fence mounting seat, the fence mounting seat is U type structure, the fence mounting seat is inserted and installed with the protective fence, the fence mounting seat and the protective fence are provided with the installation cooperation hole correspondingly, the plug pin is installed in the installation cooperation hole, the handrail is fixedly installed on the end of the handcart frame away from the fence mounting seat, the hand brake is arranged at the upper position of the handrail, the support beam is fixedly arranged on the end of the handcart frame close to the protective fence, the rotating cooperation rod one is arranged on the side of the support beam, the rear support wheel one is rotatably connected and installed at the rotating cooperation rod one, the rear support wheel two is symmetrically arranged on the other side of the handcart frame, the rear support wheel two is rotatably connected with the rotating cooperation rod two, the front wheel mounting frame is fixedly arranged at the middle position of the handcart frame close to the handrail, the front universal wheel is installed on the front wheel mounting frame, the front wheel adjusting mounting frame is arranged on the side of the front wheel mounting frame, the single wheel walking mounting frame is arranged at the middle position of the bottom surface of the handcart frame, the front wheel storage mounting pipe is fixedly arranged on the side of the front wheel adjusting mounting frame, and the front universal wheel is disassembled and stored.

[0006] As a further scheme of the utility model: the middle position of front wheel mounting frame is provided with mounting cooperation pipe, a pair of bolt holes are formed in the mounting cooperation pipe, the front universal wheel is installed on the front wheel rotating mounting frame, the upper side of front wheel rotating mounting frame is fixedly provided with plug-in mounting pipe, the size specification of plug-in mounting pipe matches the size specification of mounting cooperation pipe, plug-in mounting pipe is installed in mounting cooperation pipe, and relative position is fixed through bolt.

[0007] As a further scheme of the utility model: the shape and specification of front wheel adjusting mounting frame and the single wheel walking mounting frame are consistent with the front wheel mounting frame, the front wheel storage mounting pipe is perpendicular to the mounting cooperation pipe, the bolt hole is processed on the front wheel storage mounting pipe, and the storage is fixed through bolt.

[0008] As a further scheme of the utility model: the height difference exists between the support beam and the rotating cooperation rod, the support beam is located at the upper position of the rotating cooperation rod, the rotating cooperation sleeve is rotatably connected and installed on the rotating cooperation rod, the rotating cooperation sleeve is fixedly connected with the support cooperation frame, the rear wheel mounting frame is arranged below the support cooperation frame, the rear support wheel is installed on the rear wheel mounting frame, and the rear wheel mounting frame is used for installing and supporting the rear support wheel.

[0009] As a further scheme of the utility model: the rear wheel damping structure is arranged between the support cooperation frame and the lower end of rear wheel mounting frame, and the rear wheel damping structure is connected with the support cooperation frame and the rear wheel mounting frame through hinging, so that the rear support wheel has good damping effect.

[0010] As a further scheme of the utility model: the outer side of support cooperation frame is fixedly provided with outer fixed extension side plate, the section of outer fixed extension side plate is L-shaped structure, when the rear support wheel is in shape state, the outer fixed extension side plate is in contact with the outer wall of trolley frame and is fixed through bolt, so that the locking of rear support wheel walking state position is realized.

[0011] As a further scheme of the utility model: the length specification of rotating cooperation rod one is greater than that of rotating cooperation rod two, the folding locking cooperation hole is arranged on the rear wheel mounting frame, and the folding fixing hole is arranged on the bottom surface of trolley frame, so that the folding state of rear support wheel is locked.

[0012] After the above technical scheme is adopted, the utility model has the following beneficial effects compared with the prior art.

[0013] The utility model discloses a trolley is provided with three wheel walking state, two wheel walking state, single wheel walking state three use modes, can use the use demand of different road surface condition, and the rear support wheel of supporting on the trolley is the folding storage structure, and the front universal wheel is detachable storage, and the structure is simple, and the practicality is strong.

[0014] The utility model discloses the handbrake of handrail position of trolley frame can effectively control the braking condition of rear support wheel, and the end position of trolley frame is provided with detachable, adjustable protective fence, and effectively improves the security of article transportation in the use process.

[0015] The utility model discloses a specific embodiment in combination with the drawings is further detailedly described below. DRAWINGS

[0016] The drawings as a part of the application are used to provide further understanding of the utility model, and the illustrative embodiment and the explanation of the utility model are used to explain the utility model, but do not constitute improper limitation to the utility model. Obviously, the drawings in the following description only some embodiments, and other drawings can be obtained according to these drawings without the premise of the creative labor for the ordinary skill in the art. In the drawings:

[0017] Figure 1 It is the first visual angle structural diagram of the utility model;

[0018] Figure 2 It is the second visual angle structural diagram of the utility model;

[0019] Figure 3 It is the plan view of the utility model;

[0020] Figure 4 It is the main view of three wheel walking state of the utility model;

[0021] Figure 5 It is the rear wheel storage folding state schematic diagram of the utility model;

[0022] Figure 6 It is the single wheel walking state schematic diagram of the utility model.

[0023] In the figure: 1, the stroller frame; 2, the support beam; 3, the rotating matching rod one; 4, the rotating matching rod two; 5, the fence mounting seat; 6, the protective fence; 7, the mounting matching hole; 8, the rear support wheel two; 9, the handrail; 10, the hand brake; 11, the front wheel mounting frame; 12, the mounting matching pipe; 13, the front universal wheel; 14, the rear support wheel one; 15, the rotating matching sleeve; 16, the support matching frame; 17, the outer fixed extension side plate; 18, the rear wheel mounting frame; 19, the rear wheel damping structure; 20, the folding fixing hole; 21, the folding locking matching hole; 22, the single-wheel walking mounting frame; 23, the front wheel adjusting mounting frame; 24, the front wheel storage mounting pipe; 25, the front wheel rotating mounting frame; 26, the plug-in mounting pipe.

[0024] It should be noted that these drawings and written descriptions are not intended to limit the scope of the concept of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model, but not to limit the scope of the utility model.

[0026] As shown in Figures 1 to 6 A foldable multi-purpose stroller, the stroller frame 1 and the handrail 9, the stroller frame 1 is overall hollow structure, one end of the stroller frame 1 is fixedly provided with the fence mounting seat 5, the fence mounting seat 5 is U-shaped structure, the protective fence 6 is plug-in mounted in the fence mounting seat 5, the fence mounting seat 5 and the protective fence 6 are both provided with the mounting matching hole 7 correspondingly, the mounting matching hole 7 is installed with the latch, the end of the stroller frame 1 away from the fence mounting seat 5 is fixedly installed with the handrail 9, the upper position of the handrail 9 is provided with the hand brake 10, one end of the stroller frame 1 close to the protective fence 6 is fixedly provided with the support beam 2, the side of the support beam 2 is provided with the rotating matching rod one 3, the rear support wheel one 14 is rotatably connected and installed at the rotating matching rod one 3, the other side of the stroller frame 1 is symmetrically provided with the rear support wheel two 8, the rear support wheel two 8 is rotatably connected with the rotating matching rod two 4, the middle position of the stroller frame 1 close to the handrail 9 is fixedly provided with the front wheel mounting frame 11, the front universal wheel 13 is installed on the front wheel mounting frame 11, the side of the front wheel mounting frame 11 is provided with the front wheel adjusting mounting frame 23, the bottom surface of the stroller frame 1 close to the middle position is provided with the single-wheel walking mounting frame 22, the side of the front wheel adjusting mounting frame 23 is fixedly provided with the front wheel storage mounting pipe 24 for disassembling and storing the front universal wheel 13.

[0027] The middle position of the front wheel mounting frame 11 is provided with a mounting matching pipe 12, a plurality of bolt holes are formed in the mounting matching pipe 12, the front universal wheel 13 is mounted on a front wheel rotating mounting frame 25, the upper side of the front wheel rotating mounting frame 25 is fixedly provided with a plug-in mounting pipe 26, the size specification of the plug-in mounting pipe 26 is matched with the size specification of the mounting matching pipe 12, the plug-in mounting pipe 26 is mounted in the mounting matching pipe 12, and the relative position is fixed by a bolt.

[0028] The shapes and specifications of the front wheel adjusting mounting frame 23 and the single-wheel walking mounting frame 22 are consistent with those of the front wheel mounting frame 11, the front wheel storage mounting pipe 24 is perpendicular to the mounting matching pipe 12, and the front wheel storage mounting pipe 24 is processed with a bolt hole for storage and fixing by cooperating with a bolt.

[0029] The support beam 2 is located above the rotating matching rod one 3, the rotating matching sleeve 15 is rotatably connected and mounted on the rotating matching rod one 3, the rotating matching sleeve 15 is fixedly connected with the support matching frame 16, the rear wheel mounting frame 18 is arranged below the support matching frame 16, and the rear support wheel one 14 is mounted on the rear wheel mounting frame 18.

[0030] The rear wheel damping structure 19 is arranged between the support matching frame 16 and the lower end of the rear wheel mounting frame 18, and the rear wheel damping structure 19 is connected with the support matching frame 16 and the rear wheel mounting frame 18 through hinged connection, so that the rear support wheel has good damping effect.

[0031] The outer side of the support matching frame 16 is fixedly provided with an outer fixed extension side plate 17, the cross section of the outer fixed extension side plate 17 is of an L-shaped structure, when the rear support wheel is in a shape state, the outer fixed extension side plate 17 is in contact with the outer wall of the stroller frame 1, and the locking of the rear support wheel walking state position is realized through bolt fixing.

[0032] The length specification of the rotating matching rod one 3 is greater than that of the rotating matching rod two 4, the rear wheel mounting frame 18 is provided with a folding locking matching hole 21, and the bottom surface of the stroller frame 1 is provided with a folding fixing hole 20 for locking the folding state of the rear support wheel.

[0033] The working principle of the utility model is:

[0034] Embodiment one: the trolley three-wheel walking, at this time the rear support wheel one 14, the rear support wheel two 8 are all in the walking state, the front universal wheel 13 can be installed on the front wheel mounting frame 11 or the front wheel adjusting mounting frame 23 according to the need, can be parked at any time during walking, the moving stability is good, the support height position of the front universal wheel 13 can be adjusted according to the need, so that the trolley frame 1 is in the horizontal state in the stationary state, or it is in the inclined state of the end of the handrail 9 high, the end of the protective fence 6 low in the stationary state, meet the use demand of different occasions;

[0035] Embodiment two: the front universal wheel 13 is detached from the front wheel mounting frame 11, the plug-in mounting pipe 26 of the front universal wheel 13 is installed into the front wheel storage mounting pipe 24, only rely on the rear support wheel one 14 and the rear support wheel two 8 to support the frame, form two-wheel walking state;

[0036] Embodiment three: the pin on the outer fixed extension side plate 17 of the rear support wheel one 14 is pulled out, the rear support wheel one 14 structure is turned over to the middle direction of the trolley frame 1 along the rotating cooperation rod one 3, so that the outer fixed extension side plate 17 is separated from the trolley frame 1, then the rear support wheel one 14 and the matched components are pushed along the rotating cooperation rod one 3, move to the position of dislocation with the rear support wheel two 8, completely turn over and contact with the bottom surface of the trolley frame 1, and realize the folding locking of the rear support wheel one 14 position through the cooperation of the folding fixing hole 20 and the folding locking cooperation hole 21, then the pin on the outer fixed extension side plate 17 of the rear support wheel two 8 is pulled out, the rear support wheel two 8 structure is turned over to the middle direction of the trolley frame 1 along the rotating cooperation rod two 4, completely turn over and contact with the bottom surface of the trolley frame 1, and realize the folding locking of the rear support wheel one 14 position through the cooperation of the folding fixing hole 20 and the folding locking cooperation hole 21, realize the folding storage of the rear support wheel one 14, the rear support wheel two 8, install the front universal wheel 13 on the single-wheel walking mounting frame 22, can realize the trolley single-wheel walking, suitable for the complex road conditions;

[0037] The handcart in the application has the functions of lightweight, diversified functions, convenient transfer, simple and convenient maintenance, and terrain generalization, etc., the trolley has three driving forms, can walk three wheels, safe hand brake 10, one brake stops, after the universal wheel storage, can walk two wheels, after the rear support wheel storage, can drive single wheel; at the same time, the handcart in the application can be folded, convenient for storage and transportation, the trolley frame 1 and the protective fence 6 adopt stainless steel material, the fence is a detachable structure, the hub of the universal wheel and the rear support wheel adopts aluminum alloy material, the load adopts vacuum tire, the vehicle self weight is lighter, about 60Kg, the vehicle load can reach 300Kg;

[0038] The utility model discloses a trolley is provided with three wheel walking state, two wheel walking state, single wheel walking state three use modes, can use the use demand of different road surface condition, and the rear support wheel of supporting on the trolley is the folding storage structure, and the front universal wheel 13 is detachable storage, and the structure is simple, and the practicality is strong, the hand brake 10 is arranged at the position of the handrail 9 of trolley frame 1, can effectively control the braking condition of rear support wheel, and the end position of trolley frame 1 is provided with detachable, adjustable protective fence 6, effectively improves the security of article transportation in the use process.

[0039] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model has disclosed as above with the preferred embodiment, however, is not used to limit the utility model, any person skilled in the art can make some changes or modification for the equivalent embodiment of equivalent change with the technical content of above prompt without departing from the technical scheme range of the utility model, but any simple modification, equivalent change and modification of above embodiment according to the technical essence of the utility model, still belong to the range of the utility model scheme.

Claims

1. A foldable multi-purpose stroller comprising a stroller frame (1) and a handle (9), characterized in that, The whole of the stroller frame (1) is a hollow structure, one end of the stroller frame (1) is fixedly provided with a fence mounting seat (5), the fence mounting seat (5) is a U-shaped structure, the fence mounting seat (5) is inserted and installed with a protective fence (6), the fence mounting seat (5) and the protective fence (6) are both provided with mounting cooperation holes (7) correspondingly, the mounting cooperation holes (7) are installed with a latch, one end of the stroller frame (1) away from the fence mounting seat (5) is fixedly installed with a handrail (9), the upper position of the handrail (9) is provided with a hand brake (10), one end of the stroller frame (1) close to the protective fence (6) is fixedly provided with a support beam (2), the side of the support beam (2) is provided with a rotating cooperation rod one (3), the rear support wheel one (14) is rotatably connected and installed at the rotating cooperation rod one (3), the other side of the stroller frame (1) is symmetrically provided with a rear support wheel two (8), the rear support wheel two (8) is rotatably connected with a rotating cooperation rod two (4), the middle position of the stroller frame (1) close to the handrail (9) end is fixedly provided with a front wheel mounting frame (11), the front wheel mounting frame (11) is installed with a front universal wheel (13), the side of the front wheel mounting frame (11) is provided with a front wheel adjusting mounting frame (23), the bottom surface of the stroller frame (1) close to the middle position is provided with a single wheel walking mounting frame (22), the side of the front wheel adjusting mounting frame (23) is fixedly provided with a front wheel storage mounting pipe (24).

2. The foldable multi-purpose stroller of claim 1, wherein, The middle position of the front wheel mounting frame (11) is provided with an installation cooperation pipe (12), the installation cooperation pipe (12) is provided with a pair of latch holes, the front universal wheel (13) is installed on a front wheel rotating mounting frame (25), the upper side of the front wheel rotating mounting frame (25) is fixedly provided with an inserted mounting pipe (26), the size specification of the inserted mounting pipe (26) matches the size specification of the installation cooperation pipe (12).

3. A foldable multi-purpose stroller according to claim 2, characterized in that, The shape and specification of the front wheel adjusting mounting frame (23) and the single wheel walking mounting frame (22) are consistent with the front wheel mounting frame (11), the front wheel storage mounting pipe (24) is perpendicular to the installation cooperation pipe (12), the front wheel storage mounting pipe (24) is processed with a latch hole.

4. The foldable utility cart of claim 3, wherein, There is a height difference between the support beam (2) and the rotating cooperation rod one (3), the support beam (2) is located at the upper position of the rotating cooperation rod one (3), the rotating cooperation rod one (3) is rotatably connected and installed with a rotating cooperation sleeve (15), the rotating cooperation sleeve (15) is fixedly connected with a support cooperation frame (16), the lower side of the support cooperation frame (16) is provided with a rear wheel mounting frame (18), the rear support wheel one (14) is installed on the rear wheel mounting frame (18).

5. A foldable multi-purpose stroller according to claim 4, wherein, The rear wheel damping structure (19) is arranged between the support cooperation frame (16) and the lower end of the rear wheel mounting frame (18), the rear wheel damping structure (19) is connected with the support cooperation frame (16) and the rear wheel mounting frame (18) through hinged connection.

6. A foldable multi-purpose stroller according to claim 4, wherein, The outer side of the supporting fitting frame (16) is fixedly provided with an outer fixed extension side plate (17), the cross section of the outer fixed extension side plate (17) is L-shaped structure, when the rear supporting wheel is in the shape state, the outer fixed extension side plate (17) is in contact with the outer wall of the trolley frame (1) and is fixed through a bolt.

7. The foldable utility cart of claim 5 wherein, The length specification of the rotating fitting rod one (3) is greater than that of the rotating fitting rod two (4), the rear wheel mounting frame (18) is provided with a folding locking fitting hole (21), and the bottom surface of the trolley frame (1) is provided with a folding fixing hole (20).

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