CN216861075U

CN216861075U - Steering lock for caster

Info

Publication number: CN216861075U
Application number: CN202123399053.XU
Authority: CN
Inventors: 赵健叶
Original assignee: Jiangmen Jianghai Dong Sen Hardware Products Co ltd
Current assignee: Jiangmen Jianghai Dong Sen Hardware Products Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-01
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to the technical field of trundles, in particular to a steering lock for a trundle, wherein an installation shell is rotatably arranged above a trundle, a main shell is movably arranged on the trundle, a rotating shaft which is rotatably connected with the installation shell is fixedly arranged at the upper end of the main shell, the upper end of the rotating shaft extends into the installation shell and is provided with a limiting gear, a rack which is matched with the limiting gear is slidably arranged in the installation shell, one side of the installation shell is provided with a sleeve, and the outer side of the sleeve is symmetrically provided with embedded grooves. The locking device is simple in structure and novel in design, the movable rod is driven by the spring to move, the rack moves towards the direction of the limiting gear, so that the rack is meshed with the limiting gear, the locking effect is achieved, the locking effect can be further improved through the limiting disc and the anti-slip pad, the locking of the rotating shaft is ensured, and the phenomenon that the direction change of the caster wheel is out of control in work is prevented.

Description

Steering lock for caster

Technical Field

The utility model relates to the technical field of casters, in particular to a steering lock for a caster.

Background

The truckle is a general name, including activity truckle, truckle and activity area brake truckle, the truckle has the truckle of multiple material, like pp truckle, PVC truckle, PU truckle, cast iron truckle, nylon truckle, TPR truckle, iron core nylon truckle, iron core PU truckle etc.

A universal caster has been published in chinese patent application number (CN202110624602.4), this structure has set up the auxiliary wheel through the rear side top at the truckle support, the strong point between truckle support and the mounting panel has been increased, reduce the pressure and the moment of torsion that the articulated department of truckle support and mounting panel bore, universal caster's bearing capacity has been improved, the wearing and tearing of truckle support and mounting panel department have been alleviateed, and through increasing drive arrangement and controlling means, realize whole truckle automatic brake and automatic steering, and be provided with collision avoidance sensor, realize anticollision function. However, the structure can not stop the rotation of the universal caster, which causes the stability of the trolley, bed, table or other equipment on the caster to be poor, and an uncontrolled condition can occur due to the automatic rotation of the universal caster, so that the person skilled in the art provides a rotation lock for the caster to solve the problems in the background art.

SUMMERY OF THE UTILITY MODEL

The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a steering lock for a caster.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a turn to lock for truckle, includes the gyro wheel, the top of gyro wheel is rotated and is installed the installation shell, and movable mounting has the main casing body on the gyro wheel, the upper end fixed mounting of the main casing body has the pivot of being connected with the rotation of installation shell, the upper end of pivot extends to the inside of installation shell and installs limit gear, the inside slidable mounting of installation shell has the rack with the limit gear adaptation, and installs one side of installation shell and install the sleeve pipe, the embedded groove has been seted up to sheathed tube outside symmetry, and sheathed tube inside slidable mounting has the movable rod of being connected with the rack rotation, the one end of movable rod runs through the sleeve pipe and installs the pin with the embedded groove adaptation.

As a further aspect of the utility model: the auxiliary housing body is installed on one side of the main housing body and is connected with the roller in a rotating mode, and a brake foot pad is arranged on the auxiliary housing body.

As a further scheme of the utility model: the inner wall of the mounting shell is symmetrically provided with sliding grooves, and sliding blocks which are in sliding connection with the sliding grooves are symmetrically mounted at two ends of the rack.

As a further aspect of the utility model: the rack is rotatably connected with the movable rod through a bearing, and springs are symmetrically arranged between the rack and the inner wall of the mounting shell.

As a further aspect of the utility model: the outer side of the rotating shaft is provided with limiting discs at the upper end and the lower end of the limiting gear, anti-slip pads which are abutted against the limiting discs are symmetrically arranged at the upper side and the lower side of the rack, and the anti-slip pads are of wedge-shaped structures.

As a further aspect of the utility model: the installation shell is a component made of stainless steel, and mounting holes are formed in the surface of the installation shell close to the four corners.

Compared with the prior art, the utility model has the beneficial effects that: the locking device is simple in structure and novel in design, the movable rod is driven by the spring to move, the rack moves towards the direction of the limiting gear, so that the rack is meshed with the limiting gear, the locking effect is achieved, the locking effect can be further improved through the limiting disc and the anti-slip pad, the locking of the rotating shaft is ensured, and the phenomenon that the direction change of the caster wheel is out of control in work is prevented.

Drawings

FIG. 1 is a schematic view of a steering lock for a caster;

FIG. 2 is a schematic view showing an internal structure of a mounting case in a steering lock for a caster;

fig. 3 is a schematic view showing an installation structure of a limit gear in a steering lock for a caster.

In the figure: 1. a roller; 2. a main housing; 3. a sub-housing; 4. a brake foot pad; 5. a rotating shaft; 6. installing a shell; 7. a sleeve; 8. a groove is embedded; 9. a movable rod; 10. a stop lever; 11. a limit gear; 12. a limiting disc; 13. a chute; 14. a rack; 15. a slider; 16. a spring; 17. a non-slip mat.

Detailed Description

Referring to fig. 1 to 3, in the embodiment of the present invention, a steering lock for a caster comprises a roller 1, a mounting housing 6 is rotatably mounted above the roller 1, a main housing 2 is movably mounted on the roller 1, a rotating shaft 5 rotatably connected to the mounting housing 6 is fixedly mounted at an upper end of the main housing 2, an upper end of the rotating shaft 5 extends into the mounting housing 6 and is mounted with a limit gear 11, a rack 14 adapted to the limit gear 11 is slidably mounted in the mounting housing 6, a sleeve 7 is mounted at one side of the mounting housing 6, embedded grooves 8 are symmetrically formed in outer sides of the sleeve 7, a movable rod 9 rotatably connected to the rack 14 is slidably mounted in the sleeve 7, one end of the movable rod 9 penetrates through the sleeve 7 and is mounted with a stop rod 10 adapted to the embedded grooves 8, when in use, the roller 1 is steered by the rotational connection between the rotating shaft 5 and the mounting housing 6, stirring movable rod 9 and making pin 10 insert inside embedded groove 8, under the spring action of spring 16, step make the other end of movable rod 9 promote rack 14 activity, through the sliding connection between spout 13 and the slider 15, improve the stability of rack 14 motion to make rack 14 and limit gear 11 mesh, reach the lock effect of dying.

In fig. 1, an auxiliary housing 3 rotatably connected with the roller 1 is installed at one side of the main housing 2, and a brake pad 4 is disposed on the auxiliary housing 3, which is beneficial to locking the roller 1.

In fig. 2, the inner wall of the mounting housing 6 is symmetrically provided with sliding grooves 13, the two ends of the rack 14 are symmetrically provided with sliding blocks 15 which are slidably connected with the sliding grooves 13, and the stability of the movement of the rack 14 is improved by the sliding connection between the sliding grooves 13 and the sliding blocks 15.

In fig. 2, the rack 14 is rotatably connected with the movable rod 9 through a bearing, so that the movable rod 9 can rotate conveniently, and springs 16 are symmetrically arranged between the rack 14 and the inner wall of the mounting housing 6, so that the other end of the movable rod 9 pushes the rack 14 to move under the action of the elastic force of the springs 16.

In fig. 2 and 3, the limiting discs 12 are mounted at the upper and lower ends of the outer side of the rotating shaft 5, which are located on the limiting gear 11, the upper and lower sides of the rack 14 are symmetrically provided with the anti-slip pads 17 which are abutted against the limiting discs 12, the anti-slip pads 17 are of a wedge-shaped structure, and the locking effect can be further improved by the friction force between the limiting discs 12 and the anti-slip pads 17, so that the locking of the rotating shaft 5 is ensured, and the phenomenon that the direction change of the caster is out of control in work is prevented.

In fig. 1, the mounting case 6 is a member made of stainless steel, and mounting holes are formed in positions, close to four corners, of the surface of the mounting case 6, so that the mounting of the device is facilitated.

The working principle of the utility model is as follows: the utility model has simple structure and novel design, when in use, the rotation of the roller 1 is realized through the rotary connection between the rotating shaft 5 and the mounting shell 6, the movable rod 9 is stirred to ensure that the stop lever 10 is inserted into the embedded groove 8, under the action of the elastic force of the spring 16, the other end of the movable rod 9 pushes the rack 14 to move, and the stability of the movement of the rack 14 is improved through the sliding connection between the sliding groove 13 and the sliding block 15, so that the rack 14 is meshed with the limit gear 11 to achieve the locking effect, in addition, the locking effect can be further improved through the friction force between the limit disc 12 and the anti-skid pad 17, and the locking effect of the rotating shaft 5 is ensured to prevent the occurrence of the phenomenon that the direction change of the caster is out of control in work.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. A steering lock for a caster comprises a roller (1) and is characterized in that a mounting shell (6) is rotatably arranged above the roller (1), a main shell (2) is movably arranged on the roller (1), a rotating shaft (5) which is rotationally connected with the mounting shell (6) is fixedly arranged at the upper end of the main shell (2), the upper end of the rotating shaft (5) extends into the mounting shell (6) and is provided with a limit gear (11), a rack (14) matched with the limit gear (11) is arranged in the mounting shell (6) in a sliding way, a sleeve (7) is arranged on one side of the mounting shell (6), embedded grooves (8) are symmetrically formed in the outer side of the sleeve (7), and a movable rod (9) which is rotationally connected with the rack (14) is arranged in the sleeve (7) in a sliding way, one end of the movable rod (9) penetrates through the sleeve (7) and is provided with a stop lever (10) matched with the embedded groove (8).

2. The steering lock for the caster according to claim 1, wherein a sub-housing (3) rotatably connected with the roller (1) is installed on one side of the main housing (2), and the sub-housing (3) is provided with a brake pad (4).

3. The steering lock for the caster according to claim 1, wherein the inner wall of the mounting housing (6) is symmetrically provided with sliding grooves (13), and the two ends of the rack (14) are symmetrically provided with sliding blocks (15) which are slidably connected with the sliding grooves (13).

4. A steering lock for a castor according to claim 1, wherein the rack (14) is rotatably connected with the movable rod (9) through a bearing, and springs (16) are symmetrically arranged between the rack (14) and the inner wall of the mounting housing (6).

5. The steering lock for the caster according to claim 1, wherein the limiting discs (12) are respectively installed at the upper end and the lower end of the limiting gear (11) on the outer side of the rotating shaft (5), the anti-skid pads (17) which are abutted against the limiting discs (12) are symmetrically installed at the upper side and the lower side of the rack (14), and the anti-skid pads (17) are of a wedge-shaped structure.

6. The steering lock for the caster according to claim 1, wherein the mounting housing (6) is a stainless steel member, and the mounting housing (6) has mounting holes at four corners of the surface.