CN217022073U - Roller assembly - Google Patents

Abstract

The application discloses wheel components relates to machine parts technical field, to the not enough problem of just single brake equipment inconvenient carrying out the brake of current wheel components shock attenuation effect, now proposes following scheme, and it includes the casing and is the backup pad of symmetric distribution, two fixed mounting has the pivot between the backup pad, pivot circumference lateral wall rotates the cover and is equipped with the gyro wheel, rotate between backup pad and the inside lateral wall of casing and install two hydraulic telescoping rod that the structure is the same, first spout and second spout have been seted up on the inside top of casing, slidable mounting has the bracing piece that is symmetric distribution in the first spout, bracing piece bottom fixed mounting has the clamp splice. This application can improve wheel components's shock attenuation effect, reduces and causes wearing and tearing to the gyro wheel, improves the life of gyro wheel to all set up the running-board that can brake in casing both sides, behind truckle conversion direction, conveniently carry out the brake operation of gyro wheel equally.

Description

Roller assembly

Technical Field

The application relates to the technical field of mechanical parts, in particular to a roller assembly.

Background

The roller is a general name and comprises a movable caster, a fixed caster and a movable caster with a brake. The movable caster wheel is also called a universal wheel, and the structure of the movable caster wheel allows 360-degree rotation; the fixed caster is also called a directional caster, and has no rotating structure and can not rotate. Generally, two types of casters are used in combination, such as a cart having two directional wheels at the front and two universal wheels at the rear adjacent the push arm. 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..

Current wheel components shock attenuation effect is not enough, and mechanical equipment receives external force after, causes wearing and tearing to the gyro wheel easily, reduces gyro wheel life to the truckle of area brake only has a fixed direction usually and has brake equipment, and after the truckle conversion direction, truckle brake equipment can rotate to equipment below, the inconvenient brake operation that carries on the gyro wheel. Therefore, in order to solve such problems, we propose a roller assembly.

SUMMERY OF THE UTILITY MODEL

The application provides a wheel components has solved the not enough and inconvenient problem of braking of single brake equipment of current wheel components shock attenuation effect.

In order to achieve the purpose, the following technical scheme is adopted in the application:

the utility model provides a roller component, includes the casing and is the backup pad of symmetric distribution, two fixed mounting has the pivot between the backup pad, pivot circumference lateral wall rotates the cover and is equipped with the gyro wheel, rotate between backup pad and the inside lateral wall of casing and install two hydraulic telescoping rod that the structure is the same, first spout and second spout have been seted up on the inside top of casing, slidable mounting has the bracing piece that is the symmetric distribution in the first spout, bracing piece bottom fixed mounting has the clamp splice, slidable mounting has the slider that is the symmetric distribution in the second spout, two the lateral wall of bracing piece articulates respectively has the first hinge bar that is the symmetric distribution and the second hinge bar that is the symmetric distribution, homonymy first hinge bar and second hinge bar tip are articulated, and the junction is articulated with the slider lateral wall, two be connected with the extension spring between the slider lateral wall.

Through adopting above-mentioned technical scheme, the gyro wheel receives external force after, can be in the casing rebound, the gyro wheel drives backup pad and pivot rebound, the backup pad promotes two hydraulic telescoping rod and rotates jointly, and extrude hydraulic telescoping rod, realize the buffering and the shock attenuation of gyro wheel, the gyro wheel need be when stopping suddenly at rotatory in-process, another slider is kept away from to one of them slider, drive a first hinge bar and second hinge bar and rotate, make two bracing pieces be close to each other along first spout, drive clamp splice clamping roller, stop the rotation of gyro wheel, two sliders of extension spring pulling are close to each other, keep two clamp splices away from the gyro wheel, guarantee the normal rotation of gyro wheel.

Preferably, the side wall of the shell is provided with symmetrically distributed pedals in a sliding manner, the pedals and the sliding blocks are arranged correspondingly, and a traction wire is connected between the top ends of the pedals and the sliding blocks.

Through adopting above-mentioned technical scheme, step on arbitrary running-board downstream, drive the slider and remove, two first hinge bars and two second hinge bars are articulated each other, can drive two bracing pieces simultaneously and move near each other.

Preferably, the inside rotation of casing lateral wall is installed and is the guide pulley of symmetric distribution, the guide pulley is corresponding the setting with the pull wire, the homonymy the pull wire is walked around the guide pulley.

Through adopting above-mentioned technical scheme, the guide pulley is convenient for the pull wire pulling in-process can be more smooth and stable, protects the pull wire simultaneously, prolongs the live time of pull wire.

Preferably, first spout and second spout are perpendicular setting, the second spout is parallel arrangement with the pivot, the lateral wall of clamp splice is the arc structure, clamp splice and gyro wheel phase-match.

Through adopting above-mentioned technical scheme, the clamp splice is located the both sides of gyro wheel, and the arc structure lateral wall of clamp splice can laminate gyro wheel circumference lateral wall, behind the clamp splice laminating gyro wheel, can prevent that the gyro wheel from rotating, realizes the effect of gyro wheel brake.

Preferably, the cylinder body and the piston rod of the hydraulic telescopic rod are fixedly sleeved with limiting plates, and the two limiting plates are connected with return springs.

By adopting the technical scheme, the reset spring can abut against the two limiting plates, and dissipates or absorbs external energy in the telescopic process of the hydraulic telescopic rod, so that the vibration of the roller is reduced.

Preferably, the top end of the shell is rotatably provided with a connecting rod, and the top end of the connecting rod is provided with a thread groove.

Through adopting above-mentioned technical scheme, the casing can rotate in the connecting rod bottom, is convenient for realize that the gyro wheel can follow all directions and rotate, and the thread groove can conveniently be installed whole casing on equipment.

The beneficial effect of this application does:

1. through setting up two hydraulic telescoping rod between casing and the backup pad, after the gyro wheel received external force, the gyro wheel drove backup pad rebound, and the backup pad can promote two hydraulic telescoping rod and rotate jointly, drives two limiting plates extrusion reset spring, and hydraulic telescoping rod and reset spring can reduce the vibrations of gyro wheel, realize the buffering and the shock attenuation of gyro wheel.

2. By stepping any one pedal plate to move downwards, the pedal plate drives one sliding block to be far away from the other sliding block, and drives one first hinge rod and one second hinge rod to rotate, so that the two support rods are close to each other, the clamping blocks are driven to clamp the idler wheels, the rotation of the idler wheels is stopped, and the action of idler wheel braking is realized.

To sum up, this application can improve wheel components's shock attenuation effect, reduces and causes wearing and tearing to the gyro wheel, improves the life of gyro wheel to all set up the running-board that can brake in casing both sides, behind the truckle conversion direction, conveniently brake equally.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a front cross-sectional view of the present application;

FIG. 3 is a schematic view of a hydraulic telescopic rod of the present application;

FIG. 4 is a bottom cross-sectional view of the present application;

FIG. 5 is a side cross-sectional view of the present application.

The reference numbers in the figures: 1. a housing; 2. a support plate; 3. a rotating shaft; 4. a roller; 5. a hydraulic telescopic rod; 6. a limiting plate; 7. a return spring; 8. a first chute; 9. a support bar; 10. a clamping block; 11. a second chute; 12. a slider; 13. a first hinge lever; 14. a second hinge lever; 15. a tension spring; 16. a foot pedal; 17. a pull wire; 18. a guide wheel; 19. a connecting rod; 20. a thread groove.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

Referring to fig. 1-3, a roller assembly comprises a housing 1 and support plates 2 which are symmetrically distributed, a rotating shaft 3 is fixedly arranged between the two support plates 2, a roller 4 is rotatably sleeved on the circumferential side wall of the rotating shaft 3, two hydraulic telescopic rods 5 with the same structure are rotatably arranged between the support plates 2 and the inner side wall of the housing 1, limiting plates 6 are fixedly sleeved on the cylinder bodies and the piston rods of the hydraulic telescopic rods 5, two limiting plates 6 are connected with return springs 7, the return springs 7 can prop against the two limiting plates 6, the flexible in-process at hydraulic telescoping rod 5 dissipates or absorbs outside energy, reduces gyro wheel 4's vibrations, and 1 top of casing is rotated and install connecting rod 19, and casing 1 can rotate bottom connecting rod 19, is convenient for realize that gyro wheel 4 can rotate along all directions, and threaded groove 20 has been seted up on connecting rod 19 top, and threaded groove 20 can conveniently install whole casing 1 on equipment.

Referring to fig. 4-5, a first chute 8 and a second chute 11 are provided at the top end inside the casing 1, a support rod 9 which is symmetrically distributed is slidably mounted in the first chute 8, a clamping block 10 is fixedly mounted at the bottom end of the support rod 9, the first chute 8 and the second chute 11 are vertically arranged, the second chute 11 is parallel to the rotating shaft 3, the side wall of the clamping block 10 is of an arc structure, the clamping block 10 is located at two sides of the roller 4, the arc structure side wall of the clamping block 10 can be attached to the circumferential side wall of the roller 4, the clamping block 10 is matched with the roller 4, after the clamping block 10 is attached to the roller 4, the roller 4 can be prevented from rotating, and the braking effect of the roller 4 can be realized.

Sliding installation has slider 12 that is the symmetric distribution in second spout 11, the lateral wall of two bracing pieces 9 articulates respectively has first hinge bar 13 that is the symmetric distribution and the second hinge bar 14 that is the symmetric distribution, the first hinge bar 13 and the 14 tip of second hinge bar of homonymy are articulated, and the junction is articulated with slider 12 lateral wall, a slider 12 removes and can drive a first hinge bar 13 and the rotation of second hinge bar 14, make two bracing pieces 9 be close to each other along first spout 8, drive clamp splice 10 and press from both sides tight gyro wheel 4, stop the rotation of gyro wheel 4, be connected with extension spring 15 between two slider 12 lateral walls, two sliders 12 of extension spring 15 pulling are close to each other, keep two clamp splice 10 away from gyro wheel 4, guarantee the normal rotation of gyro wheel 4.

The utility model discloses a casing 1 lateral wall slidable mounting has the running-board 16 that is the symmetric distribution, running-board 16 is corresponding the setting with slider 12, be connected with pull wire 17 between running-board 16 top and the slider 12, step on arbitrary running-board 16 downstream, drive slider 12 and remove, two first hinge bar 13 and two second hinge bar 14 are articulated each other, can drive two bracing pieces 9 simultaneously and be close to the removal each other, the guide pulley 18 that is the symmetric distribution is installed to casing 1 lateral wall internal rotation, guide pulley 18 is convenient for pull wire 17 pulling in-process can be more smooth and stable, protect pull wire 17 simultaneously, the live time of extension pull wire 17, guide pulley 18 is corresponding the setting with pull wire 17, pull wire 17 of homonymy bypasses guide pulley 18.

The working principle is as follows: when the device is used, the connecting rod 19 is connected with mechanical equipment, the roller 4 moves upwards in the shell 1 after receiving external force, the roller 4 drives the supporting plate 2 and the rotating shaft 3 to move upwards, the supporting plate 2 pushes the two hydraulic telescopic rods 5 to rotate together, when the hydraulic telescopic rods 5 are shortened, the two limiting plates 6 are driven to extrude the return spring 7, the hydraulic telescopic rods 5 and the return spring 7 can reduce the vibration of the roller 4, the buffering and the shock absorption of the roller 4 are realized, when the roller 4 needs to be stopped suddenly in the rotating process, any one pedal plate 16 is stepped down to move downwards, the pedal plate 16 drives one sliding block 12 to be far away from the other sliding block 12, one first hinge rod 13 and one second hinge rod 14 are driven to rotate, the two supporting rods 9 are made to be close to each other along the first sliding groove 8, the first hinge rod 13 and the second hinge rod 14 on the other side are driven to rotate, so that the two sliding blocks 12 move synchronously, the clamping blocks 10 are driven to clamp the roller 4, the rotation of the roller 4 is stopped, and the braking effect of the roller 4 is realized.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present application, and all equivalent substitutions and changes according to the technical solutions and the inventive concepts of the present application should be covered by the scope of the present application.

Claims (6)

1. The utility model provides a roller component, includes casing (1) and backup pad (2) that are the symmetric distribution, its characterized in that, two fixed mounting has pivot (3) between backup pad (2), pivot (3) circumference lateral wall rotates the cover and is equipped with gyro wheel (4), rotate between backup pad (2) and the casing (1) inside lateral wall and install two hydraulic telescoping rod (5) that the structure is the same, first spout (8) and second spout (11) have been seted up on the inside top of casing (1), slidable mounting has bracing piece (9) that are the symmetric distribution in first spout (8), bracing piece (9) bottom fixed mounting has clamp splice (10), slidable mounting has slider (12) that are the symmetric distribution in second spout (11), two the lateral wall of bracing piece (9) articulates respectively has first articulated pole (13) that are the symmetric distribution and second articulated pole (14) that are the symmetric distribution, the homonymy first articulated rod (13) and second articulated rod (14) tip are articulated, and the junction is articulated with slider (12) lateral wall, two be connected with extension spring (15) between slider (12) lateral wall.

2. The roller assembly according to claim 1, characterized in that symmetrically distributed pedals (16) are slidably mounted on the side wall of the housing (1), the pedals (16) are arranged corresponding to the sliding blocks (12), and a traction line (17) is connected between the top end of each pedal (16) and the corresponding sliding block (12).

3. The roller assembly according to claim 2, characterized in that the inside of the side wall of the housing (1) is rotatably provided with symmetrically distributed guide wheels (18), the guide wheels (18) are arranged corresponding to the pulling wire (17), and the pulling wire (17) on the same side bypasses the guide wheels (18).

4. The roller assembly according to claim 1, wherein the first sliding groove (8) and the second sliding groove (11) are vertically arranged, the second sliding groove (11) is parallel to the rotating shaft (3), the side wall of the clamping block (10) is of an arc structure, and the clamping block (10) is matched with the roller (4).

5. The roller assembly according to claim 1, characterized in that the cylinder body and the piston rod of the hydraulic telescopic rod (5) are fixedly sleeved with limiting plates (6), and two of the limiting plates (6) are connected with return springs (7).

6. The roller assembly according to claim 1, characterized in that a connecting rod (19) is rotatably mounted at the top end of the housing (1), and a threaded groove (20) is formed at the top end of the connecting rod (19).

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