CN216069472U - Universal wheel that flexibility is high - Google Patents

Abstract

The utility model discloses a universal wheel with high flexibility, which comprises a mounting plate. The high-flexibility universal wheel has the advantages that the rotating inner ring can rotate in the fixed ring through the first sliding block on the outer side, meanwhile, the second sliding blocks and the balls at the top and the bottom of the rotating inner ring can make the rotating inner ring rotate more flexibly, the rotating inner ring rotates to drive the rotating shaft to rotate, the rotating shaft drives the connecting plate and the wheels at the bottom to rotate, thereby improving the rotation flexibility of the wheel, when the wheel is impacted by external force in the use process, the protective shell can drive the fixed block to move, the fixed block drives the connecting column to move through the connecting block, the spring outside the connecting column can play a role in buffering external force, meanwhile, the protective shell drives the connecting rod to move through the second fixing plate, external force can be further buffered, the whole device is simple in structure and convenient to use, damage to the protective shell caused by the external force can be effectively avoided, and the flexibility of wheel rotation is improved.

Description

Universal wheel that flexibility is high

Technical Field

The utility model relates to the technical field of universal wheels, in particular to a universal wheel with high flexibility.

Background

The castor is a so-called movable caster, and the structure of the castor allows 360-degree horizontal rotation. The caster is a general name, and comprises a movable caster and a fixed caster, wherein the fixed caster has no rotating structure, can not rotate horizontally and can only rotate vertically. These two types of casters are commonly used in combination, for example, a cart has a structure with two fixed wheels at the front and two movable universal wheels at the rear, which are close to the pushing handrail. There are a number of materials from which the castor is made, the most common being: nylon, polyurethane, rubber, cast iron and other materials are widely applied to various industries and fields such as mines, mechanical equipment, electronic equipment, medical equipment, engineering decoration, textile, printing and dyeing, furniture, logistics equipment, warehousing, turnover vehicles, cabinets, equipment, electromechanics, dust-free workshops, production lines, large supermarkets and the like. The current universal wheel generally adopts rolling bearing to make the truckle rotate, but in the use, receives the influence of external force easily and causes the bearing to damage, has influenced truckle pivoted flexibility.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a universal wheel with high flexibility to solve the problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a universal wheel with high flexibility comprises a mounting plate, wherein the bottom of the mounting plate is fixedly connected with the top of a fixed ring, a rotary inner ring is arranged inside the fixed ring, the outer side of the rotary inner ring is connected with the inner wall of the fixed ring in a sliding manner through a first sliding block, the top and the bottom of the rotary inner ring are respectively movably connected with the inner walls of the top and the bottom of the fixed ring through balls, the center of the bottom of the rotary inner ring is fixedly connected with the top end of a rotary shaft, the bottom end of the rotary shaft penetrates through the bottom of the fixed ring and extends to the outside of the fixed ring to be fixedly connected with the top of a connecting plate, two ends of the bottom of the connecting plate are both fixedly connected with first fixing plates, one side of each first fixing plate is movably connected with one end of a fixing rod through a first connecting shaft, a connecting rod is arranged inside the fixing rod, and the connecting rod is movably connected with the fixing rod, one end of the connecting rod is fixedly connected with one end of the spring, the other end of the spring is fixedly connected with one end of the spring connecting seat, the other end of the spring connecting seat is fixedly connected with the inner wall of one end of the fixing rod, the other end of the connecting rod penetrates through the other end of the fixing rod and extends to the outside of the fixing rod to be movably connected with one end of a second connecting shaft, the other end of the second connecting shaft is movably connected with one side of a second fixing plate, the bottom of the second fixing plate is fixedly connected with the top of the protective shell, the center of the top of the protective shell is fixedly connected with the bottom of the fixing block, the top of the fixing block is fixedly connected with the bottom of the connecting block, the top of the connecting block is fixedly connected with the bottom of the connecting column, the top of the connecting column penetrates through the bottom of the sleeve and extends to the inside of the sleeve, and the spring is sleeved on the outer side of the connecting column, one end of the spring is fixedly connected with the top of the connecting block, the other end of the spring is fixedly connected with the bottom end of the sleeve, the top end of the sleeve is fixedly connected with the bottom of the connecting plate, and the inner side of the protective shell is movably connected with the wheels through wheel shafts.

Preferably, the inner side of the fixed ring is provided with a sliding groove, and the rotating inner ring is connected with the sliding groove in a sliding mode through the first sliding block.

Preferably, the inner walls of the top and the bottom of the fixed ring are fixedly connected with second sliding blocks, the top and the bottom of the rotating inner ring are fixedly connected with second sliding blocks, and the fixed ring and the rotating inner ring are movably connected with the balls through the second sliding blocks respectively.

Preferably, the two sides of the connecting rod are both provided with rollers, and the connecting rod is movably connected with the inner wall of the fixing rod through the rollers.

Preferably, the connecting column is slidably connected to the sleeve.

Compared with the prior art, the utility model has the beneficial effects that: the universal wheel with high flexibility is characterized in that the rotating inner ring can rotate in the fixed ring through the first sliding block on the outer side, and can rotate more flexibly through the second sliding blocks and the balls on the top and the bottom of the rotating inner ring, the rotating inner ring rotates to drive the rotating shaft to rotate, and the rotating shaft drives the connecting plate and the wheel on the bottom to rotate, so that the rotation flexibility of the wheel can be improved, when the wheel is impacted by external force in the use process, the protective shell can drive the fixed block to move, the fixed block drives the connecting post to move through the connecting block, the spring on the outer side of the connecting post can play a role in buffering the external force, meanwhile, the protective shell drives the connecting rod to move through the second fixed plate, the connecting rod drives the spring to move again, the external force can be further buffered, the damage of the rotating shaft and the rotating inner ring caused by the external force is avoided, and the rotation flexibility is influenced, whole device simple structure, convenient to use can effectually avoid external force to cause the damage to it, has improved wheel pivoted flexibility.

Drawings

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

FIG. 2 is a structural cross-sectional view of the retainer ring of the present invention;

fig. 3 is a structural sectional view of the fixing lever of the present invention.

In the figure: 1. mounting a plate; 2. a stationary ring; 3. rotating the inner ring; 4. a first slider; 5. a ball bearing; 6. a rotating shaft; 7. a connecting plate; 8. a first fixing plate; 9. a first connecting shaft; 10. fixing the rod; 11. a connecting rod; 12. a spring; 13. a spring connecting seat; 14. a second connecting shaft; 15. a second fixing plate; 16. a protective housing; 17. a fixed block; 18. connecting blocks; 19. connecting columns; 20. a sleeve; 21. a wheel axle; 22. a wheel; 23. a chute; 24. a second slider; 25. and a roller.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a universal wheel with high flexibility comprises a mounting plate 1, the bottom of the mounting plate 1 is fixedly connected with the top of a fixed ring 2, a rotary inner ring 3 is arranged inside the fixed ring 2, the outer side of the rotary inner ring 3 is connected with the inner wall of the fixed ring 2 through a first sliding block 4 in a sliding manner, a sliding groove 23 is formed in the inner side of the fixed ring 2, the rotary inner ring 3 is connected with the sliding groove 23 through the first sliding block 4 in a sliding manner, the top and the bottom of the rotary inner ring 3 are respectively movably connected with the inner walls of the top and the bottom of the fixed ring 2 through balls 5, the inner walls of the top and the bottom of the fixed ring 2 are respectively and fixedly connected with a second sliding block 24, the top and the bottom of the rotary inner ring 3 are respectively and movably connected with the balls 5 through the second sliding blocks 24, the center of the bottom of the rotary inner ring 3 is fixedly connected with the top of a rotary shaft 6, and the bottom of the rotary shaft 6 penetrates through the bottom of the fixed ring 2, and extends to the outside of the fixed ring 2 to be fixedly connected with the top of the connecting plate 7, both ends of the bottom of the connecting plate 7 are fixedly connected with a first fixed plate 8, one side of the first fixed plate 8 is movably connected with one end of a fixed rod 10 through a first connecting shaft 9, the inside of the fixed rod 10 is provided with a connecting rod 11, the connecting rod 11 is movably connected with the fixed rod 10, both sides of the connecting rod 11 are provided with rollers 25, the connecting rod 11 is movably connected with the inner wall of the fixed rod 10 through the rollers 25, one end of the connecting rod 11 is fixedly connected with one end of a spring 12, the other end of the spring 12 is fixedly connected with one end of a spring connecting seat 13, the other end of the spring connecting seat 13 is fixedly connected with the inner wall of one end of the fixed rod 10, the other end of the connecting rod 11 penetrates through the other end of the fixed rod 10 and extends to the outside of the fixed rod 10 to be movably connected with one end of a second connecting shaft 14, the other end of the second connecting shaft 14 is movably connected with one side of a second fixed plate 15, the bottom of the second fixing plate 15 is fixedly connected with the top of the protective shell 16, the center of the top of the protective shell 16 is fixedly connected with the bottom of the fixing block 17, the top of the fixing block 17 is fixedly connected with the bottom of the connecting block 18, the top of the connecting block 18 is fixedly connected with the bottom of the connecting column 19, the top of the connecting column 19 penetrates through the bottom of the sleeve 20 and extends into the sleeve 20, the connecting column 19 is slidably connected with the sleeve 20, the outer side of the connecting column 19 is sleeved with the spring 12, one end of the spring 12 is fixedly connected with the top of the connecting block 18, the other end of the spring 12 is fixedly connected with the bottom of the sleeve 20, the top of the sleeve 20 is fixedly connected with the bottom of the connecting plate 7, the inner side of the protective shell 16 is movably connected with the wheels 22 through the wheel shaft 21, the rotary inner ring 3 can rotate in the fixed ring 2 through the first sliding block 4 on the outer side, and simultaneously, the second sliding blocks 24 and the balls 5 on the top and the bottom of the rotary inner ring 3 are rotated, the rotation of the rotating inner ring 3 can be more flexible, the rotating inner ring 3 rotates to drive the rotating shaft 6 to rotate, the rotating shaft 6 drives the connecting plate 7 and the wheel 22 at the bottom to rotate, thereby increasing the flexibility of rotation of the wheel 22, when the wheel 22 is struck by an external force during use, the protective shell 16 can drive the fixed block 17 to move, the fixed block 17 drives the connecting column 19 to move through the connecting block 18, the spring 12 outside the connecting column 19 can play a role in buffering external force, meanwhile, the protective shell 16 drives the connecting rod 11 to move through the second fixing plate 15, the connecting rod 11 drives the spring 12 to move, external force can be further buffered, damage to the rotating shaft 6 and the rotating inner ring 3 caused by the external force is avoided, the rotating flexibility is influenced, the whole device is simple in structure and convenient to use, damage to the rotating shaft and the rotating inner ring can be effectively avoided by the external force, and the rotating flexibility of the wheel 22 is improved.

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 (5)

1. A universal wheel that flexibility is high, includes mounting panel (1), its characterized in that: the bottom of the mounting plate (1) is fixedly connected with the top of the fixing ring (2), a rotary inner ring (3) is arranged inside the fixing ring (2), the outer side of the rotary inner ring (3) is connected with the inner wall of the fixing ring (2) in a sliding mode through a first slider (4), the top and the bottom of the rotary inner ring (3) are respectively connected with the inner wall of the top and the bottom of the fixing ring (2) through balls (5) in a movable mode, the center of the bottom of the rotary inner ring (3) is fixedly connected with the top end of a rotary shaft (6), the bottom end of the rotary shaft (6) penetrates through the bottom of the fixing ring (2) and extends to the outside of the fixing ring (2) and the top of a connecting plate (7), first fixing plates (8) are fixedly connected with the two ends of the bottom of the connecting plate (7), one side of each first fixing plate (8) is movably connected with one end of a fixing rod (10) through a first connecting shaft (9), the inner part of the fixed rod (10) is provided with a connecting rod (11), the connecting rod (11) is movably connected with the fixed rod (10), one end of the connecting rod (11) is fixedly connected with one end of a spring (12), the other end of the spring (12) is fixedly connected with one end of a spring connecting seat (13), the other end of the spring connecting seat (13) is fixedly connected with the inner wall of one end of the fixed rod (10), the other end of the connecting rod (11) penetrates through the other end of the fixed rod (10) and extends to the outer part of the fixed rod (10) to be movably connected with one end of a second connecting shaft (14), the other end of the second connecting shaft (14) is movably connected with one side of a second fixed plate (15), the bottom of the second fixed plate (15) is fixedly connected with the top of a protective shell (16), and the center of the top of the protective shell (16) is fixedly connected with the bottom of a fixed block (17), the utility model discloses a safety protection device for automobile, including fixed block (17), the bottom fixed connection of the top of fixed block (17) and connecting block (18), the top of connecting block (18) and the bottom fixed connection of spliced pole (19), the bottom of sleeve (20) is run through on the top of spliced pole (19), and extends to the inside of sleeve (20), the outside cover of spliced pole (19) is equipped with spring (12), the one end of spring (12) and the top fixed connection of connecting block (18), the other end of spring (12) and the bottom fixed connection of sleeve (20), the top of sleeve (20) and the bottom fixed connection of connecting plate (7), the inboard of protective housing (16) is through shaft (21) and wheel (22) swing joint.

2. A highly flexible castor according to claim 1, further comprising: the inner side of the fixed ring (2) is provided with a sliding groove (23), and the rotating inner ring (3) is connected with the sliding groove (23) in a sliding mode through a first sliding block (4).

3. A highly flexible castor according to claim 1, further comprising: the inner wall of the top and the bottom of the fixed ring (2) are fixedly connected with second sliders (24), the top and the bottom of the rotating inner ring (3) are fixedly connected with second sliders (24), and the fixed ring (2) and the rotating inner ring (3) are movably connected with the balls (5) through the second sliders (24) respectively.

4. A highly flexible castor according to claim 1, further comprising: the two sides of the connecting rod (11) are respectively provided with a roller (25), and the connecting rod (11) is movably connected with the inner wall of the fixed rod (10) through the rollers (25).

5. A highly flexible castor according to claim 1, further comprising: the connecting column (19) is connected with the sleeve (20) in a sliding manner.

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