CN215706588U

CN215706588U - Handcart rubber wheel with auxiliary locking structure

Info

Publication number: CN215706588U
Application number: CN202122193387.5U
Authority: CN
Inventors: 何淳标
Original assignee: Zhongshan Tuowo Caster Industry Co ltd
Current assignee: Zhongshan Tuowo Caster Industry Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-02-01
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses a rubber wheel of a trolley with an auxiliary locking structure, which comprises a fixed frame and a connecting threaded column arranged on the fixed frame, wherein a rubber wheel and a locking mechanism are arranged in the fixed frame, and a shaft lever is arranged between the fixed frame and the rubber wheel in a penetrating manner. The rubber wheel locking mechanism is provided with a locking mechanism, and can pedal a push plate, so that the push plate rotates along the outer part of a positioning pin, and synchronously pull a pull rope, so that the pull rope pulls a clamping plate to rotate along a lock pin, and a clamping force is applied to a rubber wheel inwards, thereby limiting the rotation of the rubber wheel and providing locking for the rubber wheel; the rubber spacer can effectively increase the clamping friction force on the rubber wheel, and can effectively avoid the phenomenon that the rubber wheel directly stops rotating quickly, so that the trolley is stopped and products on the trolley fly out; the clamping plate can be adjusted to an initial state through the connecting spring; the push plate can be adjusted to the initial state through the matching of the return spring and the positioning pin, and convenience is provided for secondary treading of the push plate.

Description

Handcart rubber wheel with auxiliary locking structure

Technical Field

The utility model relates to the technical field of rubber wheels of trolleys, in particular to a rubber wheel of a trolley, which is provided with an auxiliary locking structure.

Background

The handcart is a transport vehicle which is pushed and pulled by people and is the ancestor of all vehicles. While the technology of cart materials handling continues to advance, carts continue to be used as an indispensable handling tool. The trolley is widely used in production and life because of its low cost, simple maintenance, convenient operation, light weight, ability to work in places where motor vehicles are not convenient to use, and convenience in carrying lighter objects in short distance.

Through the retrieval, in the antistatic rubber wheel to patent application number CN203663780U, this utility model discloses an antistatic rubber wheel relates to a wheel, metal axle and insulating rubber layer, be provided with more than 3 through-holes on the insulating rubber layer, be provided with the conductive rubber piece in every through-hole respectively, conductive rubber piece bottom surface with metal axle contact, top surface with the insulating rubber layer surface is located same face, the insulating rubber layer comprises lower silastic-layer, foamed rubber layer and last silastic-layer, the foamed rubber layer sets up between silastic-layer and the last silastic-layer down. Compared with the prior art, the anti-static rubber wheel protected by the utility model has the advantages of static resistance, good elasticity, high temperature resistance, ageing resistance, high strength and shock absorption, and has the following problems:

the anti-static rubber wheel in this patent application number does not set up convenient locking structure that can return the position, to above-mentioned condition, carries out technical innovation on current handcart rubber wheel basis.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rubber wheel of a trolley with an auxiliary locking structure, and aims to solve the problem that the anti-static rubber wheel is not provided with a convenient and quick locking structure which can return to the original position in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a handcart rubber wheel with supplementary locking structure, includes fixed frame to and install the connecting thread post on fixed frame, be equipped with rubber wheel and locking mechanism in the fixed frame, wear to be equipped with the axostylus axostyle between fixed frame and the rubber wheel, the rubber wheel passes through axostylus axostyle swing joint on fixed frame.

Preferably, the connecting threaded column is fixed on the fixed frame through a bolt.

Preferably, the locking mechanism comprises a groove plate, clamping plates, rubber spacers, lock pins, connecting springs, pull ropes, a push plate, return springs and positioning pins, the two clamping plates are symmetrically arranged in the groove plate, the lock pins penetrate between the groove plate and the clamping plates, and the clamping plates are movably connected to the groove plate through the lock pins.

Preferably, the clamping plate is provided with a rubber spacer which is fixedly bonded on the clamping plate.

Preferably, the clamping plate is further provided with connecting springs in one-to-one correspondence with the clamping plate, one ends of the connecting springs are fixed on the groove plate, and the other ends of the connecting springs are fixed on the clamping plate.

Preferably, a Y-shaped pull rope penetrates through the groove plate, one end of the pull rope is connected to the groove plate, and the other end of the pull rope is connected with the push plate.

Preferably, a return spring is arranged on the push plate, a positioning pin penetrates through the return spring, and the push plate is movably connected to the groove plate through the matching of the return spring and the positioning pin.

Compared with the prior art, the utility model has the following beneficial effects:

the rubber wheel locking mechanism is provided with a locking mechanism, and can pedal a push plate, so that the push plate rotates along the outer part of a positioning pin, and synchronously pull a pull rope, so that the pull rope pulls a clamping plate to rotate along a lock pin, and a clamping force is applied to a rubber wheel inwards, thereby limiting the rotation of the rubber wheel and providing locking for the rubber wheel; the rubber spacer can effectively increase the clamping friction force on the rubber wheel, and can effectively avoid the phenomenon that the rubber wheel directly stops rotating quickly, so that the trolley is stopped and products on the trolley fly out; the clamping plate can be adjusted to an initial state through the connecting spring; the push plate can be adjusted to the initial state through the matching of the return spring and the positioning pin, and convenience is provided for secondary treading of the push plate.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the external structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the trough plate of the present invention;

FIG. 4 is an enlarged view of a portion A of FIG. 1 according to the present invention.

In the figure: 1. a fixed frame; 2. a rubber wheel; 3. a locking mechanism; 301. a groove plate; 302. a clamping plate; 303. a rubber spacer; 304. a lock pin; 305. a connecting spring; 306. pulling a rope; 307. pushing the plate; 308. a return spring; 309. positioning pins; 4. and connecting the threaded columns.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Embodiment 1

As shown in fig. 1, the present invention provides a technical solution: the utility model provides a handcart rubber wheel with supplementary locking structure, includes fixed frame 1 to and install the connecting thread post 4 on fixed frame 1, connecting thread post 4 passes through the bolt fastening on fixed frame 1, is equipped with rubber wheel 2 and locking mechanism 3 in the fixed frame 1, wears to be equipped with the axostylus axostyle between fixed frame 1 and the rubber wheel 2, and rubber wheel 2 passes through axostylus axostyle swing joint on fixed frame 1.

Example two

The scheme in the first embodiment is further described in the following with reference to specific working modes, which are described in detail in the following:

as shown in fig. 1, 3 and 4, as a preferred embodiment, based on the above-mentioned manner, further, the locking mechanism 3 includes a groove plate 301, clamping plates 302, rubber spacers 303, locking pins 304, connecting springs 305, pulling ropes 306, a pushing plate 307, return springs 308 and positioning pins 309, two symmetrically distributed clamping plates 302 are disposed in the groove plate 301, the clamping plates 302 are further provided with the connecting springs 305 corresponding to the clamping plates 302 one by one, a Y-shaped pulling rope 306 is disposed in the groove plate 301, one end of the pulling rope 306 is connected to the groove plate 301, the other end is connected to the pushing plate 307, the pushing plate 307 is provided with the return springs 308, the positioning pins 309 are disposed in the return springs 308, the pushing plate 307 is movably connected to the groove plate 301 through the cooperation of the return springs 308 and the positioning pins 309, the pushing plate 307 can be adjusted to an initial state through the cooperation of the return springs 308 and the positioning pins 309, which provides a convenient condition for the second stepping of the pushing plate 307, one end of the connection spring 305 is fixed to the slot plate 301, the other end is fixed to the holding plate 302, the clamping plate 302 can be adjusted to an initial state through a connecting spring 305, a rubber spacer 303 is arranged on the clamping plate 302, the rubber spacer 303 is fixedly bonded on the clamping plate 302, the rubber spacer 303 can effectively increase the clamping friction force on the rubber wheel 2, and can effectively avoid the direct rapid stop of the rotation of the rubber wheel 2, so that the cart stops and the products on the cart fly out, a lock pin 304 is arranged between the groove plate 301 and the clamping plate 302 in a penetrating way, the clamping plate 302 is movably connected on the groove plate 301 through the lock pin 304, the push plate 307 can be stepped on, causing the push plate 307 to rotate along the outside of the alignment pin 309, and simultaneously pulling the pull cord 306, causing the pull cord 306 to pull the clamping plate 302 to rotate along the latch 304, and a clamping force is applied inwardly to the rubber wheel 2 to restrict the rotation of the rubber wheel 2 and provide a lock for the rubber wheel 2.

This handcart rubber wheel's theory of operation with supplementary locking structure: firstly, the push plate 307 can be stepped on, so that the push plate 307 rotates along the outside of the positioning pin 309, and the pull rope 306 is synchronously pulled, so that the pull rope 306 pulls the clamping plate 302 to rotate along the lock pin 304, and a clamping force is applied to the rubber wheel 2 inwards, thereby limiting the rotation of the rubber wheel 2, providing locking for the rubber wheel 2, effectively increasing the clamping friction force applied to the rubber wheel 2 through the rubber spacer 303, effectively avoiding the direct quick stop rotation of the rubber wheel 2, making the cart pause, and causing the product on the cart to fly out, when the push plate 307 is released, the push plate 307 can be adjusted to the initial state through the matching of the return spring 308 and the positioning pin 309, providing a convenient condition for the secondary stepping of the push plate 307, and adjusting the clamping plate 302 to the initial state through the connecting spring 305.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 rubber wheel with supplementary locking structure, includes fixed frame (1) to and install connecting thread post (4) on fixed frame (1), its characterized in that: the rubber wheel (2) and the locking mechanism (3) are arranged in the fixed frame (1), the shaft lever is arranged between the fixed frame (1) and the rubber wheel (2) in a penetrating mode, and the rubber wheel (2) is movably connected to the fixed frame (1) through the shaft lever.

2. A cart rubber wheel provided with an auxiliary locking structure according to claim 1, wherein: the connecting threaded column (4) is fixed on the fixed frame (1) through a bolt.

3. A cart rubber wheel provided with an auxiliary locking structure according to claim 1, wherein: the locking mechanism (3) comprises a groove plate (301), a clamping plate (302), a rubber spacer (303), a lock pin (304), a connecting spring (305), a pull rope (306), a push plate (307), a return spring (308) and a positioning pin (309), wherein the two clamping plates (302) are symmetrically distributed in the groove plate (301), the lock pin (304) penetrates between the groove plate (301) and the clamping plate (302), and the clamping plates (302) are movably connected to the groove plate (301) through the lock pin (304).

4. A cart rubber wheel provided with an auxiliary locking structure according to claim 3, wherein: the clamping plate (302) is provided with a rubber spacer (303), and the rubber spacer (303) is adhered and fixed on the clamping plate (302).

5. A cart rubber wheel provided with an auxiliary locking structure according to claim 3, wherein: the clamping plate (302) is further provided with connecting springs (305) which are in one-to-one correspondence with the clamping plate (302), one ends of the connecting springs (305) are fixed on the groove plate (301), and the other ends of the connecting springs are fixed on the clamping plate (302).

6. A cart rubber wheel provided with an auxiliary locking structure according to claim 3, wherein: a Y-shaped pull rope (306) penetrates through the groove plate (301), one end of the pull rope (306) is connected to the groove plate (301), and the other end of the pull rope (306) is connected with a push plate (307).

7. A cart rubber wheel provided with an auxiliary locking structure according to claim 3, wherein: the push plate (307) is provided with a return spring (308), a positioning pin (309) penetrates through the return spring (308), and the push plate (307) is movably connected to the groove plate (301) through the matching of the return spring (308) and the positioning pin (309).