CN220884515U

CN220884515U - Anti-retreating handcart

Info

Publication number: CN220884515U
Application number: CN202322950246.2U
Authority: CN
Inventors: 张志刚
Original assignee: Suzhou Hammers Exhibition Equipment Co ltd
Current assignee: Suzhou Hammers Exhibition Equipment Co ltd
Priority date: 2023-11-01
Filing date: 2023-11-01
Publication date: 2024-05-03
Anticipated expiration: 2033-11-01

Abstract

The utility model relates to the technical field of trolleys, in particular to a backward-preventing trolley, which comprises a trolley body, wherein a backward-preventing component is arranged on the trolley body and is used for being placed on a moving staircase more firmly, a rotating component is arranged on the trolley body and is used for adjusting the height, the backward-preventing component comprises a first mounting block and a second mounting block which are fixedly mounted with the bottom of the trolley body, rollers are fixedly mounted at the bottoms of the first mounting block and the second mounting block, and a moving component is arranged in the second mounting block. This prevent handcart that retreats, through installing the subassembly that retreats of preventing, when moving staircase is upwards, reduce the handcart and take place to reverse the circumstances that causes the user's shank to be injured, be favorable to improving the security when handcart uses, improve the quality of use of handcart, install rotating assembly, be convenient for remove the regulation to the height of dog, the handcart of being convenient for removes and put and reverse, do benefit to the result of use of improvement device.

Description

Anti-retreating handcart

Technical Field

The utility model relates to the technical field of trolleys, in particular to a trolley capable of preventing back.

Background

The application range of the handcart is quite wide, the handcart is widely used in a large number of industries, the handcart can save force, increase the workload, improve the labor force, and is an important tool for small-batch short-distance transportation.

Please refer to a handcart anti-tilting branch of bulletin number CN219115498U, which comprises a carriage body, the mounting groove has been seted up to the left and right sides correspondence of automobile body, the supporting component is installed through the mounting groove to the automobile body, supporting component is including setting up the first mounting bracket in the inside downside of mounting groove, the inside correspondence of first mounting bracket is provided with first back shaft and second back shaft from top to bottom, the center department rotation of first back shaft is connected with first connecting rod, first back shaft is last and be located the both sides of first connecting rod and correspond the rotation and be connected with the second connecting rod, can lead to the handcart to take place the slope and take place the problem of turning over when piling up higher and through the inclined road surface through setting up supporting component in the handcart, makes the result of use of handcart better.

In the above patent, when the escalator is upward, the user generally stands under the handcart, and the handcart is easy to reverse under the action of gravity, so that the bottom wall of the frame body of the handcart or the wheels collide with the legs of the user, and the user is injured.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides the anti-backward handcart which has the advantages of anti-backward and the like, and solves the problem that when a moving staircase is upward, a user generally stands under the handcart, and the handcart is easy to backward under the action of gravity, so that the bottom wall of the frame body of the handcart or wheels collide with the legs of the user, and the user is injured.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the anti-backward handcart comprises a handcart body, wherein an anti-backward component is arranged on the handcart body and used for being placed on a moving staircase more firmly, and a rotating component is arranged on the handcart body and used for adjusting the height;

The anti-backing assembly comprises a first installation block and a second installation block which are fixedly installed at the bottom of a vehicle body, rollers are fixedly installed at the bottoms of the first installation block and the second installation block, a moving assembly is arranged in the second installation block, a connecting plate is fixedly installed on the right side of the moving assembly, connecting rods with the number of two are fixedly installed at the bottom of the connecting plate, and a stop block is fixedly installed at the bottom of each connecting rod.

By adopting the technical scheme, the condition that the legs of a user are injured due to the backward movement of the trolley is reduced.

Optionally, the moving assembly includes the slide bar with the inside fixed mounting of second installation piece, the outside sliding connection of slide bar has the movable plate, the left side fixed mounting of movable plate has the slider.

By adopting the technical scheme, the connecting plate is convenient to move and adjust.

Optionally, the rotating assembly includes the bearing with the top fixed mounting of connecting plate, the inside rotation of bearing is installed the threaded rod, the top fixed mounting of threaded rod has the commentaries on classics piece, the right side fixed mounting of automobile body has the fixed block, the right side fixed mounting of automobile body has the sponge layer.

Through adopting above-mentioned technical scheme, rotate the commentaries on classics piece, drive the threaded rod and rotate for the connecting plate removes.

Optionally, the quantity of first installation piece and second installation piece is two, two the extension hole has all been seted up on the right side of second installation piece, the movable plate passes through extension hole and connecting plate fixed connection.

By adopting the technical scheme, the connecting plate moves to drive the moving block to synchronously move.

Optionally, a sliding groove is formed in the left side of the inner wall of the two second installation blocks, and the sliding blocks are in sliding connection with the second installation blocks through the sliding grooves.

By adopting the technical scheme, the sliding block provides a guiding function when the moving plate moves.

Optionally, a placement groove is formed in the bottom of the vehicle body and used for placing the bearing.

Through adopting above-mentioned technical scheme, when the connecting plate upwards moved, the bearing was synchronous upwards moved, and the standing groove is convenient for the better placing of bearing.

Optionally, a through hole is formed in the vehicle body, and the threaded rod extends to the outer side of the vehicle body through the through hole.

Through adopting above-mentioned technical scheme, the threaded rod rotates for the connecting plate carries out the reciprocating adjustment.

Further, a threaded hole is formed in the fixing block, and the threaded rod is in threaded connection with the fixing block through the threaded hole.

By adopting the technical scheme, the rotating block is screwed, so that the threaded rod rotates in the internal thread of the fixed block.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

This prevent handcart that retreats, through installing the subassembly that retreats of preventing, when moving staircase is upwards, reduce the handcart and take place to reverse the circumstances that causes the user's shank to be injured, be favorable to improving the security when handcart uses, improve the quality of use of handcart, install rotating assembly, be convenient for remove the regulation to the height of dog, the handcart of being convenient for removes and put and reverse, do benefit to the result of use of improvement device.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present utility model;

Fig. 2 is an enlarged view of the structure a of fig. 1 in accordance with the present utility model.

In the figure: 1. a vehicle body; 2. a first mounting block; 3. a second mounting block; 4. a roller; 5. a connecting plate; 6. a connecting rod; 7. a stop block; 8. a slide bar; 9. a moving plate; 901. an extension hole; 10. a slide block; 101. a chute; 11. a bearing; 11. a placement groove; 12. a threaded rod; 121. a through hole; 122. a threaded hole; 13. a rotating block; 14. a fixed block; 15. a sponge layer.

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. 1-2, a cart capable of preventing backward movement in this embodiment includes a cart body 1, a backward movement preventing component is mounted on the cart body 1, the cart is used for being placed on a moving staircase more firmly, and a rotating component is mounted on the cart body 1, and is used for adjusting the height.

In this embodiment, the anti-backing component includes 2 and a second mounting block 3 fixedly mounted to the bottom of the vehicle body 1, and the number of the first mounting block 2 and the second mounting block 3 is two. The roller 4 is installed at the bottom of the first installation block 2 and the second installation block 3.

The inside of second installation piece 3 is provided with the removal subassembly, and the right side fixed mounting of removal subassembly has connecting plate 5, and the bottom fixed mounting of connecting plate 5 has connecting rod 6 that quantity is two, and the equal fixed mounting in bottom of two connecting rods 6 has dog 7, and the draw-in groove has been seted up to the bottom of dog 7, the draw-in groove joint on the staircase of being convenient for the shallow is placed more stably.

The moving assembly comprises a sliding rod 8 fixedly installed inside the second installation blocks 3, a moving plate 9 is slidably connected to the outer side of the sliding rod 8, extension holes 901 are formed in the right sides of the two second installation blocks 3, and the moving plate 9 is fixedly connected with the connecting plate 5 through the extension holes 901. The connecting plate 5 moves to drive the moving plate 9 to synchronously move, so that the connecting plate 5 is more convenient to move, and the trolley is convenient to prevent retreating.

The left side of the movable plate 9 is fixedly provided with a sliding block 10, the left side of the inner wall of the two second installation blocks 3 is provided with a sliding groove 101, and the sliding block 10 is in sliding connection with the second installation blocks 3 through the sliding groove 101. When the moving plate 9 moves, guiding is provided for the moving plate 9, so that the moving plate 9 moves more stably.

In this embodiment, the rotating assembly includes a bearing 11 fixedly mounted on the top of the connection plate 5, and a placement groove 111 is formed in the bottom of the vehicle body 1 for placing the bearing 11. The threaded rod 12 is rotatably mounted in the bearing 11, a through hole 121 is formed in the vehicle body 1, and the threaded rod 12 extends to the outside of the vehicle body 1 through the through hole 121.

The fixed block 14 is fixedly mounted on the right side of the vehicle body 1, a threaded hole 122 is formed in the fixed block 14, and the threaded rod 12 is in threaded connection with the fixed block 14 through the threaded hole 122. The top fixed mounting of threaded rod 12 has a commentaries on classics piece 13, and the right side fixed mounting of automobile body 1 has a sponge layer 15, twists and moves a commentaries on classics piece 13 for threaded rod 12 rotates at fixed block 14 internal thread, and then adjusts the height of dog 7, and the handcart of being convenient for makes to place better at the staircase, prevents the condition of reversing.

The working principle of the embodiment is as follows: when the trolley moves to the escalator to change floors, the rotating block 13 is rotated to drive the threaded rod 12 to rotate in the fixed block 14, so that the connecting plate 5 moves downwards, the moving plate 9 is synchronously driven to move upwards and downwards at the sliding rod 8, the connecting plate 5 moves downwards more stably, the stop block 7 is driven to move downwards through the connecting rod 7, the clamping groove on the stop block 7 is clamped with the clamping groove on the escalator, the trolley is placed more stably on the escalator, and the situation that the legs of a user are injured due to the backward movement of the trolley is reduced;

In addition, after the shallow shifts out the staircase, can remove the dog 7 and accomodate, the shallow of being convenient for removes, and the sponge layer 15 prevents the condition of user's shank with framework diapire collision, effectively improves the result of use of handcart.

Claims

1. The utility model provides a handcart of preventing backing, includes automobile body (1), its characterized in that: the anti-backward component is arranged on the vehicle body (1) and used for placing the trolley on the escalator more firmly, and the rotating component is arranged on the vehicle body (1) and used for adjusting the height;

The anti-backing assembly comprises a first mounting block (2) and a second mounting block (3) which are fixedly mounted on the bottom of a vehicle body (1), rollers (4) are fixedly mounted on the bottoms of the first mounting block (2) and the second mounting block (3), a moving assembly is arranged in the second mounting block (3), a connecting plate (5) is fixedly mounted on the right side of the moving assembly, connecting rods (6) with the number of two are fixedly mounted on the bottom of the connecting plate (5), and stop blocks (7) are fixedly mounted on the bottoms of the connecting rods (6).

2. A reverse-proof trolley according to claim 1, wherein: the movable assembly comprises a sliding rod (8) fixedly arranged in the second installation block (3), a movable plate (9) is connected to the outer side of the sliding rod (8) in a sliding mode, and a sliding block (10) is fixedly arranged on the left side of the movable plate (9).

3. A reverse-proof trolley according to claim 1, wherein: the rotating assembly comprises a bearing (11) fixedly mounted on the top of the connecting plate (5), a threaded rod (12) is rotatably mounted in the bearing (11), a rotating block (13) is fixedly mounted on the top of the threaded rod (12), a fixing block (14) is fixedly mounted on the right side of the vehicle body (1), and a sponge layer (15) is fixedly mounted on the right side of the vehicle body (1).

4. A reverse-proof trolley according to claim 2, wherein: the number of the first mounting blocks (2) and the second mounting blocks (3) is two, extension holes (901) are formed in the right sides of the two second mounting blocks (3), and the movable plate (9) is fixedly connected with the connecting plate (5) through the extension holes (901).

5. A reverse-proof trolley according to claim 2, wherein: the left sides of the inner walls of the two second installation blocks (3) are provided with sliding grooves (101), and the sliding blocks (10) are in sliding connection with the second installation blocks (3) through the sliding grooves (101).

6. A reverse-proof trolley according to claim 1, wherein: a placing groove (111) is formed in the bottom of the vehicle body (1) and used for placing the bearing (11).

7. A reverse-proof trolley according to claim 3, wherein: through holes (121) are formed in the vehicle body (1), and the threaded rods (12) extend to the outer side of the vehicle body (1) through the through holes (121).

8. A reverse-proof trolley according to claim 3, wherein: threaded holes (122) are formed in the fixing blocks (14), and the threaded rods (12) are in threaded connection with the fixing blocks (14) through the threaded holes (122).