CN210126394U

CN210126394U - Impact-resistant universal wheel structure

Info

Publication number: CN210126394U
Application number: CN201921110617.3U
Authority: CN
Inventors: 陈虹羽; 张华平; 吴芸; 付立建; 陶旭
Original assignee: Individual
Current assignee: Wu Yun
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-03-06
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses an universal wheel structure shocks resistance, including rotating piece, support piece and truckle, the bottom of rotating the piece and support piece's top fixed connection, support piece's bottom is passed through the bearing and is connected with the interior surface rotation at truckle center, and the left and right sides of support piece bottom is provided with respectively stabilizes the cavity, stabilizes the equal fixedly connected with damping chamber in bottom of both sides around the cavity inner chamber, and damping chamber's interior surface sliding connection has the guide arm, the utility model relates to a relevant technical field of universal wheel. This universal wheel structure shocks resistance utilizes movable connected mode, carries out the shock attenuation to the direction of motion of truckle to reduce the harm of impact force to the bearing, effectively prolonged the life of bearing, and then guaranteed the normal use of universal wheel structure, solved current universal wheel structure in case receive the impact, the effort will directly act on the bearing, will cause the damage of bearing very easily, and then influence the problem that the universal wheel used.

Description

Impact-resistant universal wheel structure

Technical Field

The utility model relates to a relevant technical field of universal wheel specifically is an impact resistance universal wheel structure.

Background

The universal wheels are so-called movable casters, the structure of the universal wheels allows 360-degree horizontal rotation, the casters are a general term and comprise movable casters and fixed casters, the fixed casters have no rotating structure and cannot rotate horizontally but rotate vertically, the two casters are generally matched, for example, the structure of the trolley is that the front two fixed wheels are arranged, the rear two fixed wheels are close to the pushing handrail and are two movable universal wheels, the universal wheels refer to a bracket arranged on the caster wheels and can rotate 360-degree horizontally in dynamic load or static load, and the universal wheels are made of various materials, wherein the most common materials are: nylon, polyurethane, rubber, cast iron and the like. The bearing is widely applied to various industries and fields such as mines, mechanical equipment, electronic equipment, medical equipment, engineering decoration, textile, printing and dyeing, logistics equipment, storage, turnover vehicles, cabinets, equipment, electromechanics, dust-free workshops, production lines, large supermarkets and the like, and according to different uses of the bearing, the bearing is divided into an iron core, an aluminum core and a plastic core, the size of the bearing is 1-8 inches, wherein the iron core and the aluminum core are generally heavy load-bearing wheels, and a brake device is often arranged when the bearing is used.

The existing universal wheel is mainly characterized in that a rotating bearing is directly utilized to be matched with a caster wheel to rotate, and in the using process, due to the fact that the road surface condition is complex, once the universal wheel structure is impacted, the acting force can be directly applied to the bearing, the bearing can be easily damaged, the universal wheel is further influenced, and therefore the universal wheel structure with excellent impact resistance is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a universal wheel structure shocks resistance has solved current universal wheel structure in case receive the impact, and the effort will directly act on the bearing, will cause the damage of bearing very easily, and then influences the problem that the universal wheel used.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an impact-resistant universal wheel structure comprises a rotating piece, a supporting piece and trundles, wherein the bottom of the rotating piece is fixedly connected with the top of the supporting piece, the bottom of the supporting piece is connected with the inner surface of the center of the trundle through a bearing in a rotating manner, the left side and the right side of the bottom of the supporting piece are respectively provided with a stabilizing cavity, the bottoms of the front side and the rear side of the inner cavity of the stabilizing cavity are respectively fixedly connected with a damping chamber, the inner surface of the damping chamber is connected with a guide rod in a sliding manner, the top of the guide rod is fixedly connected with a first spring through a connecting block, the top end of the first spring is fixedly connected with the top of the inner cavity of the damping chamber, the bottom of the guide rod is connected with a traction plate through the bearing in a rotating manner, the bottom of the traction plate is fixedly connected with a sealing, one end of the second spring close to the damping chamber is fixedly connected with a sliding plate, the top end of the traction plate is rotatably connected with a sliding column, and one side of the sliding plate close to the damping chamber is in sliding connection with the outer surface of the sliding column through a clamping block.

Preferably, the rotating part comprises a connecting plate, a supporting box and balls, the outer surface of the connecting plate is in sliding connection with the inner surface of the supporting box, an annular groove is formed in the bottom of the periphery of the connecting plate, and the inner surface of the annular groove and the inner surface of the connecting supporting box are in sliding connection with the outer surfaces of the balls.

Preferably, two the equal fixedly connected with connecting rod in bottom between the stable cavity, two the one end of connecting rod all is connected with vice stable case through the bearing rotation, and the bottom of vice stable case passes through the top fixed connection of connecting block and closing cap spare, the equal fixedly connected with third spring in top and the bottom of vice stable incasement chamber, two the one end that the third spring is close to the connecting rod bearing is passed through the fixture block and is connected with the connecting rod bearing rotation.

Preferably, the cover member comprises a cover plate and a frame plate, the bottom of the middle part of the groove surface of the cover plate is fixedly connected with the top of the frame plate, and the bottom of the frame plate is rotatably connected with the inner surface of the center of the caster wheel through a bearing.

Preferably, the surface of the cover plate is provided with a cleaning hole.

Preferably, the surface of the bottom of the traction plate is provided with a sliding groove, and the bottom of the guide rod is rotatably connected with the inner surface of the sliding groove through a bearing.

Advantageous effects

The utility model provides an universal wheel structure shocks resistance. Compared with the prior art, the method has the following beneficial effects:

(1) the impact-resistant universal wheel structure is characterized in that the left side and the right side of the bottom of a support piece are respectively provided with a stable cavity, the bottoms of the front side and the rear side of the inner cavity of the stable cavity are fixedly connected with a damping chamber, the inner surface of the damping chamber is connected with a guide rod in a sliding manner, the top of the guide rod is fixedly connected with a first spring through a connecting block, the top of the first spring is fixedly connected with the top of the inner cavity of the damping chamber, the bottom of the guide rod is rotatably connected with a traction plate through a bearing, the bottom of the traction plate is fixedly connected with a sealing piece through the connecting block, the bottom of the sealing piece is rotatably connected with the inner surface of the center of a caster through a bearing, the front side and the rear side of the inner surface of the stable cavity are fixedly connected with second springs, one end of each, the cooperation rotates the piece, support piece, the truckle, stabilize the cavity, the surge chamber, the guide arm, first spring, the traction plate, the closing cap piece, the second spring, the setting of slide and sliding column, utilize movable connected mode, the direction of motion to the truckle is cushioned, thereby reduce the harm of impact force to the bearing, the life of bearing has effectively been prolonged, and then the normal use of universal wheel structure has been guaranteed, solved current universal wheel structure in case receive the impact, the effort will directly be used on the bearing, will cause the damage of bearing very easily, and then influence the problem that the universal wheel used.

(2) This universal wheel structure shocks resistance, through the equal fixedly connected with connecting rod in the bottom between two stable cavities, the one end of two connecting rods all is connected with vice stable case through the bearing rotation, the top fixed connection of connecting block and closing cap spare is passed through to the bottom of vice stable case, the top and the equal fixedly connected with third spring in bottom of vice stable incasement chamber, two third springs are close to the one end of connecting rod bearing and are passed through the fixture block and rotate with the connecting rod bearing and be connected, the cooperation connecting rod, the setting of vice stable case and third spring, make vice stable case can rotate along with the atress direction of truckle, additional strengthening's reaction force effect, thereby strengthen the atress reply performance of device, guarantee the normal operating of device.

Drawings

Fig. 1 is a schematic external structural view of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 1-rotating part, 2-supporting part, 3-truckle, 4-stable chamber, 5-damping chamber, 6-guide rod, 7-first spring, 8-traction plate, 9-cover part, 10-second spring, 11-slide plate, 12-sliding column, 13-connecting plate, 14-supporting box, 15-ball, 16-ring groove, 17-connecting rod, 18-auxiliary stable box, 19-third spring, 20-cover plate, 21-frame plate, 22-cleaning hole, 23-sliding chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an impact-resistant universal wheel structure comprises a rotating piece 1, a supporting piece 2 and a caster wheel 3, wherein the rotating piece 1 comprises a connecting plate 13, a supporting box 14 and balls 15, the outer surface of the connecting plate 13 is connected with the inner surface of the supporting box 14 in a sliding manner, a thread plugging port for filling the balls 15 is arranged on the supporting box 14, the bottom of the periphery of the connecting plate 13 is provided with an annular groove 16, the inner surface of the annular groove 16 and the inner surface of the connecting supporting box 14 are both connected with the outer surface of the balls 15 in a sliding manner, the bottom of the rotating piece 1 is fixedly connected with the top of the supporting piece 2, the bottom of the supporting piece 2 is rotatably connected with the inner surface of the center of the caster wheel 3 through a bearing, the left side and the right side of the bottom of the supporting piece 2 are respectively provided with a stabilizing chamber 4, the bottom between the two stabilizing chambers, the bottom of the auxiliary stabilizing box 18 is fixedly connected with the top of the sealing cover part 9 through a connecting block, the top and the bottom of the inner cavity of the auxiliary stabilizing box 18 are fixedly connected with third springs 19, the third springs 19 work within the elastic coefficient range allowed by the springs and can be replaced, the specific selection can be selected by manufacturers, one ends of the two third springs 19 close to the bearing of the connecting rod 17 are rotatably connected with the bearing of the connecting rod 17 through clamping blocks, the auxiliary stabilizing box 18 can rotate along with the stress direction of the caster 3 by matching the arrangement of the connecting rod 17, the auxiliary stabilizing box 18 and the third springs 19, the reaction force effect of the structure is enhanced, so that the stress recovery performance of the device is enhanced, the normal operation of the device is ensured, the damping chambers 5 are fixedly connected with the bottoms of the front side and the rear side of the inner cavity of the stabilizing chamber 4, the guide rod 6 is slidably connected with the inner surface of the damping chamber 5, and the top, the first spring 7 works within the range of the allowable elastic coefficient of the spring and can be replaced, the specific selection can be selected by manufacturers, the top end of the first spring 7 is fixedly connected with the top of the inner cavity of the damping chamber 5, the bottom of the guide rod 6 is rotatably connected with a traction plate 8 through a bearing, a chute 23 is formed in the surface of the bottom of the traction plate 8, the bottom of the guide rod 6 is rotatably connected with the inner surface of the chute 23 through a bearing, a sealing part 9 is fixedly connected with the bottom of the traction plate 8 through a connecting block, the sealing part 9 comprises a cover plate 20 and a frame plate 21, a cleaning hole 22 is formed in the surface of the cover plate 20, the cleaning hole 22 can facilitate cleaning when a user adheres soil on the surface of the caster 3 and blocks the cover plate 20, the bottom of the middle part of the groove surface of the cover plate 20 is fixedly connected with the top of the frame plate 21, and the bottom of the frame, the bottom of the sealing cover part 9 is rotatably connected with the inner surface of the center of the caster wheel 3 through a bearing, the front side and the rear side of the inner surface of the stable chamber 4 are fixedly connected with second springs 10, the second springs 10 work within the elastic coefficient range allowed by the springs and can be replaced, specific selection can be selected by manufacturers, one end, close to the damping chamber 5, of each second spring 10 is fixedly connected with a sliding plate 11, one side, close to the damping chamber 5, of each sliding plate 11 is provided with a limiting plate on the inner surface of the stable chamber 4, normal use of the structure is guaranteed, the top end of the traction plate 8 is rotatably connected with a sliding column 12, one side, close to the damping chamber 5, of each sliding plate 11 is slidably connected with the outer surface of the corresponding sliding column 12 through a clamping block, and the rotating part 1, the supporting part 2, the caster wheel 3, the stable chamber 4, the damping chamber 5, slide 11 and sliding column 12's setting utilizes movable connected mode, carries out the shock attenuation to the direction of motion of truckle to reduce the harm of impact force to the bearing, effectively prolonged the life of bearing, and then guaranteed the normal use of universal wheel structure, solved current universal wheel structure in case receive the impact, the effort will directly act on the bearing, will cause the damage of bearing very easily, and then influence the problem that the universal wheel used.

When the device works, after the connecting plate 13 is fixed with a work object by using bolts, the caster 3 moves forwards, when the acting force of a front obstacle is received, the acting force acts on the guide rod 6 and the sliding plate 11 through the traction plate 8, a part of the acting force is reduced in the buffering process of the first spring 7 and the second spring 10, meanwhile, the third spring 19 at the bottom extrudes the bearing on the connecting rod 17 to buffer a part of the acting force again, and then the third spring 19 at the top buffers the spring resetting force of a meal after each spring is reset to ensure the stability of the device, otherwise, when the work object is impacted upwards, the working principle can be reversely described.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an impact-resistant universal wheel structure, includes and rotates piece (1), support piece (2) and truckle (3), the bottom of rotating piece (1) and the top fixed connection of support piece (2), the bottom of support piece (2) is passed through the bearing and is connected its characterized in that with the interior surface rotation at truckle (3) center: the left side and the right side of the bottom of the support piece (2) are respectively provided with a stabilization chamber (4), the bottoms of the front side and the rear side of the inner cavity of the stabilization chamber (4) are fixedly connected with a damping chamber (5), the inner surface of the damping chamber (5) is connected with a guide rod (6) in a sliding manner, the top of the guide rod (6) is fixedly connected with a first spring (7) through a connecting block, the top end of the first spring (7) is fixedly connected with the top of the inner cavity of the damping chamber (5), the bottom of the guide rod (6) is rotatably connected with a traction plate (8) through a bearing, the bottom of the traction plate (8) is fixedly connected with a sealing piece (9) through a connecting block, the bottom of the sealing piece (9) is rotatably connected with the inner surface of the center of a trundle (3) through a bearing, the front side and the rear side of the inner surface of the stabilization chamber (4) are fixedly connected with, the top end of the traction plate (8) is rotatably connected with a sliding column (12), and one side, close to the damping chamber (5), of the sliding plate (11) is in sliding connection with the outer surface of the sliding column (12) through a clamping block.

2. An impact-resistant universal wheel structure according to claim 1, wherein: rotate piece (1) including connecting plate (13), supporting box (14) and ball (15), the internal surface sliding connection of the surface of connecting plate (13) and supporting box (14), ring channel (16) have been seted up to the bottom of connecting plate (13) periphery, the internal surface of ring channel (16) and the internal surface of connecting supporting box (14) all with the external surface sliding connection of ball (15).

3. An impact-resistant universal wheel structure according to claim 1, wherein: two stabilize equal fixedly connected with connecting rod (17) in bottom between cavity (4), two the one end of connecting rod (17) all is connected with vice stable case (18) through the bearing rotation, and the top fixed connection of connecting block and closing cap spare (9) is passed through to the bottom of vice stable case (18), the top and the equal fixedly connected with third spring (19) in bottom of vice stable case (18) inner chamber, two the one end that third spring (19) are close to connecting rod (17) bearing is passed through the fixture block and is connected with connecting rod (17) bearing rotation.

4. An impact-resistant universal wheel structure according to claim 1, wherein: the sealing cover piece (9) comprises a cover plate (20) and a frame plate (21), the bottom of the middle part of the groove surface of the cover plate (20) is fixedly connected with the top of the frame plate (21), and the bottom of the frame plate (21) is rotatably connected with the inner surface of the center of the caster (3) through a bearing.

5. An impact-resistant universal wheel structure according to claim 4, wherein: the surface of the cover plate (20) is provided with a cleaning hole (22).

6. An impact-resistant universal wheel structure according to claim 1, wherein: the surface of the bottom of the traction plate (8) is provided with a sliding groove (23), and the bottom of the guide rod (6) is rotatably connected with the inner surface of the sliding groove (23) through a bearing.