CN219115537U

CN219115537U - Handcart traction support frame

Info

Publication number: CN219115537U
Application number: CN202320039429.6U
Authority: CN
Inventors: 冯也; 杨伟; 冯欣瑜
Original assignee: Qingdao Wanyao Industry And Trade Co ltd
Current assignee: Qingdao Wanyao Industry And Trade Co ltd
Priority date: 2023-01-07
Filing date: 2023-01-07
Publication date: 2023-06-02
Anticipated expiration: 2033-01-07

Abstract

The utility model discloses a handcart traction support frame which comprises a base, wherein a universal wheel is fixedly arranged at the lower end of the bottom of the base, a fixed box is fixedly arranged at the lower end of the base, a limiting device is arranged in the fixed box and comprises a limiting block, a limiting rod, a limiting spring, a hinging rod, a pull rod, a connecting rod and a brake block, the limiting block is slidably connected in the fixed box, the right end of the limiting block is fixedly connected with the limiting rod, and the limiting rod penetrates through the fixed box and is slidably connected with the fixed box, and the limiting spring is arranged in the fixed box. This handcart traction support frame through being provided with stop device, drives the brake block and the universal wheel contact of lower extreme, improves the frictional force of universal wheel to this reaches to brake to whole shallow, makes its brake fixed, and can control the handcart at any time and brake, convenient to use is simple, through being provided with strutting arrangement, improves the stability that the handcart stopped.

Description

Handcart traction support frame

Technical Field

The utility model relates to the technical field of trolleys, in particular to a trolley traction support frame.

Background

The handcart is a manually pushed and pulled carrying vehicle, is an ancestor of all vehicles, and although the handcart material carrying technology is continuously developed, the handcart is still used as an indispensable carrying tool, and the handcart is widely applied in production and life because of low cost, simple maintenance, convenient operation and light dead weight, can work in places where the motor vehicle is inconvenient to use, and is quite convenient when carrying lighter articles in a short distance.

In the prior art, when a handcart is carried at present, a supporting frame is pushed to move, but when a road surface with steeper gradient moves, the handcart is subjected to the action of gravity, the sliding condition of the handcart occurs, an operator can only pull the handcart reversely, so that the handcart is braked and limited, the operation is more laborious, and meanwhile, certain danger exists; in view of this, we propose a cart traction support frame.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the handcart traction support frame, which solves the problems that when a road surface with a relatively tremble gradient moves, the handcart slides under the action of gravity, an operator can only pull the handcart reversely, so that the handcart is braked and limited, the operation is relatively laborious, and a certain danger exists.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a handcart traction support frame, includes the base, base bottom fixed mounting has the universal wheel, base lower extreme fixed mounting has fixed box, be provided with stop device in the fixed box, stop device includes:

the limiting block is in sliding connection with the inside of the fixed box, the right end of the limiting block is fixedly connected with a limiting rod, and the limiting rod penetrates through the fixed box and is in sliding connection with the fixed box;

the limiting spring is arranged in the fixed box and sleeved on the limiting rod, the left end of the limiting spring is fixedly connected with the limiting block, and the right end of the limiting spring is fixedly connected with the right wall in the fixed box;

the left end of the hinging rod is hinged with the limiting rod, and one end of the hinging rod, which is far away from the limiting rod, is hinged with the pull rod;

the connecting rod, connecting rod upper end and gag lever post fixed connection, connecting rod right-hand member and brake block fixed connection.

Preferably, a supporting device is fixedly arranged at the lower end of the base, and a limiting rod penetrates through the supporting device and is in sliding connection with the limiting rod.

Preferably, the support device comprises a stand column, a support block, a support rod, a support spring and a sucker, wherein the upper end of the stand column is fixedly arranged at the lower end of the base, the support block is fixedly connected with the support block in a sliding manner, the lower end of the support block is fixedly connected with the support rod, the lower end of the support rod penetrates through the stand column and is in sliding connection with the stand column, the outer wall of the support rod is sleeved with the support spring, the upper end of the support spring is fixedly connected with the support block, the lower end of the support spring is fixedly connected with the lower end of the inner part of the stand column, and the lower end of the support rod is fixedly connected with the sucker.

Preferably, a supporting frame is fixedly arranged on the right side of the upper end of the base.

Preferably, the right end of the support frame is fixedly provided with a movable support block, and the movable support block is penetrated with a pull rod and is in sliding connection with the pull rod.

Preferably, the lower end of the limiting rod is fixedly provided with an extrusion block, and the extrusion block is arranged at the left end of the supporting device.

(III) beneficial effects

The utility model provides a handcart traction support frame. The beneficial effects are as follows:

(1) This handcart traction support frame, through being provided with stop device, when the shallow parks at the slope steeper road surface, receive under self gravity's influence, can appear sliding condition, in order to prevent its downwardly sliding, upwards pulling through the pull rod to the support frame lower extreme, the pull rod upwards pulls through the articulated lever that drives the lower extreme simultaneously, the other end pulling gag lever post of articulated lever slides right, when the gag lever post slides right, the brake block that drives the lower extreme contacts with the universal wheel, improve the frictional force of universal wheel, thereby reach whole shallow and brake, make its brake fixed, can't downwardly slide, and can control the handcart at any time and brake, convenient to use is simple.

(2) This handcart traction support frame, through being provided with strutting arrangement, when the handcart was braked, when the gag lever post was slided right, the extrusion piece of drive upper end also was slided right, inserts to the inside of stand simultaneously to extrude inside supporting shoe, make the supporting shoe receive the extrusion and drive bracing piece and sucking disc and slide down, sucking disc and ground contact, improve the stability that the handcart stopped.

Drawings

FIG. 1 is a schematic view of the overall apparatus of the present utility model;

FIG. 2 is a schematic diagram of the front view of the device of the present utility model;

fig. 3 is an enlarged schematic view of the portion a in fig. 2 according to the present utility model.

In the figure: 1. a base; 2. a fixed box; 3. a limiting device; 301. a limiting block; 302. a limit rod; 303. a limit spring; 304. a hinge rod; 305. a pull rod; 306. a connecting rod; 307. a brake block; 4. a support device; 401. a column; 402. a support block; 403. a support rod; 404. a support spring; 405. a suction cup; 5. a support frame; 6. a movable support block; 7. extruding the blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a handcart traction support frame, including base 1, base 1 bottom lower extreme fixed mounting has the universal wheel, base 1 lower extreme fixed mounting has fixed box 2, be provided with stop device 3 in the fixed box 2, stop device 3 includes stopper 301, stopper 301 sliding connection is in the inside of fixed box 2, stopper 301's right-hand member fixedly connected with gag lever post 302, gag lever post 302 runs through fixed box 2 and with fixed box 2 sliding connection, gag lever post 302 has cup jointed stop spring 303 on fixed box 2's outer wall, stop spring 303 left end and stopper 301 fixed connection, stop spring 303's right-hand member and the inside right wall fixed connection of fixed box 2, the right-hand member and the articulated lever 304 of gag lever post 302 are articulated, the one end that gag lever post 302 was kept away from to articulated with pull rod 305, the lower extreme fixedly connected with connecting rod 306 of gag lever post 302, connecting rod 306 sets up to L formula, connecting rod 306 right-hand member and brake block 307 fixed connection.

Specifically, the limiting device 3 in the technical scheme of the utility model comprises a limiting block 301, a limiting rod 302, a limiting spring 303, a hinging rod 304, a pull rod 305, a connecting rod 306 and a brake block 307, when the handcart slides on the ground with a steep gradient, in order to prevent sliding, the pull rod 305 is pulled upwards, the hinging rod 304 is driven by the pull rod 305 to slide upwards, the other end of the hinging rod 304 pulls the limiting rod 302 rightwards, and at the moment, the connecting rod 306 and the brake block 307 on the limiting rod 302 also slide rightwards, so that the brake block 307 is contacted with universal wheels at the lower end of the base 1, and the friction force is improved to control the handcart to stop.

In an embodiment of the present utility model, notches are formed at the left and right ends of the upright 401, when the limiting rod 302 drives the extrusion block 7 to slide rightward, the extrusion block 7 is inserted into the upright 401 through the notches and extrudes the supporting block 402 in the upright 401, both sides of the upper end of the supporting block 402 are inclined planes, and meanwhile, the extrusion block 7 is L-shaped and the bottom end of the right side is inclined plane.

With continued reference to fig. 1-3, a supporting device 4 is fixedly mounted at the lower end of the base 1, a limiting rod 302 is penetrated through the supporting device 4 and is slidably connected with the limiting rod 302, the supporting device 4 comprises a column 401, a supporting block 402, a supporting rod 403, a supporting spring 404 and a sucking disc 405, the upper end of the column 401 is fixedly mounted at the lower end of the base 1, the supporting block 402 is slidably connected inside the column 401, the supporting rod 403 is fixedly connected at the lower end of the supporting block 402, the lower end of the supporting rod 403 penetrates through the column 401 and is slidably connected with the column 401, the supporting spring 404 is sleeved on the outer wall of the supporting rod 403, the upper end of the supporting spring 404 is fixedly connected with the supporting block 402, the lower end of the supporting spring 404 is fixedly connected with the sucking disc 405, a supporting frame 5 is fixedly mounted at the right side of the upper end of the base 1, a movable supporting block 6 is fixedly mounted at the right end of the supporting frame 5, a pull rod 305 is penetrated through the movable supporting block 305 and is slidably connected with the pull rod 305, the movable supporting block 6 performs supporting and limiting function on the pull rod 305, a pressing block 7 is fixedly mounted at the lower end of the limiting rod 302, and the pressing block 7 is fixedly arranged at the left end of the supporting device 4.

In the embodiment of the utility model, in order to conveniently improve the stability of the hand cart when stopping, when the limiting rod 302 slides rightwards, the extrusion block 7 is driven to slide rightwards, meanwhile, the extrusion block 7 extrudes the sucker 405 to slide downwards, and the sucker 405 contacts with the ground when sliding downwards, so that the stability of the support when parking is improved.

When the trolley is in use (or when the trolley is required to stop on a road surface with a steep gradient or an excessive speed, the pull rod 305 is pulled upwards, the pull rod 305 drives the hinge rod 304 to slide upwards, the hinge rod 304 is pulled rightwards when sliding upwards, the limiting spring 303 is elastically contracted, the limiting rod 302 drives the connecting rod 306 and the brake block 307 at the upper end to slide rightwards, the brake block 307 slides rightwards to be contacted with the universal wheel at the lower end of the base 1, the trolley is stopped by friction, the limiting rod 302 is also driven to slide rightwards when sliding, the extrusion block 7 is also driven to slide rightwards and inserted into the upright post 401, the supporting block 402 in the upright post 401 is extruded, the supporting block 402 is driven to slide downwards when being extruded, the sucker 405 is driven to contact with the ground when sliding downwards, the stability when the trolley is stopped is improved, after the pull rod 305 is released, the limiting spring 303 is elastically rebounded, the limiting rod 302 is driven to reset, the connecting rod 306 and the brake block 307 are enabled to slide leftwards, and the extrusion block 7 is not extruded on the supporting block 402, the supporting spring is elastically rebounded, the sucker 405 is driven to move upwards, and the operation is simple and the operation is convenient.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a handcart traction support frame, includes base (1), its characterized in that: the universal wheel is fixedly arranged at the lower end of the bottom of the base (1), the fixed box (2) is fixedly arranged at the lower end of the base (1), the limiting device (3) is arranged in the fixed box (2), and the limiting device (3) comprises:

the limiting block (301), the limiting block (301) is connected inside the fixed box (2) in a sliding mode, the right end of the limiting block (301) is fixedly connected with a limiting rod (302), and the limiting rod (302) penetrates through the fixed box (2) and is connected with the fixed box (2) in a sliding mode;

the limiting spring (303) is arranged in the fixed box (2), the limiting spring (303) is sleeved on the limiting rod (302), the left end of the limiting spring (303) is fixedly connected with the limiting block (301), and the right end of the limiting spring (303) is fixedly connected with the right wall in the fixed box (2);

the left end of the hinging rod (304) is hinged with the limiting rod (302), and one end, far away from the limiting rod (302), of the hinging rod (304) is hinged with the pull rod (305);

the connecting rod (306), connecting rod (306) upper end and gag lever post (302) fixed connection, connecting rod (306) right-hand member and brake block (307) fixed connection.

2. A cart traction support frame as in claim 1, wherein: the lower end of the base (1) is fixedly provided with a supporting device (4), and the supporting device (4) is penetrated with a limiting rod (302) and is in sliding connection with the limiting rod (302).

3. A cart traction support frame as in claim 2, wherein: support device (4) including stand (401), supporting shoe (402), bracing piece (403), supporting spring (404) and sucking disc (405), stand (401) upper end fixed mounting is in the lower extreme of base (1), inside sliding connection of stand (401) has supporting shoe (402), the lower extreme fixedly connected with bracing piece (403) of supporting shoe (402), bracing piece (403) lower extreme run through stand (401) and with stand (401) sliding connection, supporting spring (404) have been cup jointed on the outer wall of bracing piece (403), the upper end and supporting shoe (402) fixed connection of supporting spring (404), the lower extreme fixed connection of supporting spring (404) is in the inside lower extreme of stand (401), the lower extreme and sucking disc (405) fixed connection of bracing piece (403).

4. A cart traction support frame as in claim 1, wherein: the right side of the upper end of the base (1) is fixedly provided with a supporting frame (5).

5. A cart traction support frame as in claim 4, wherein: the right end of the supporting frame (5) is fixedly provided with a movable supporting block (6), and a pull rod (305) penetrates through the movable supporting block (6) and is in sliding connection with the pull rod (305).

6. A cart traction support frame as in claim 1, wherein: the lower end of the limiting rod (302) is fixedly provided with an extrusion block (7), and the extrusion block (7) is arranged at the left end of the supporting device (4).