CN215792981U

CN215792981U - PU wheel of easy dismouting

Info

Publication number: CN215792981U
Application number: CN202121782374.5U
Authority: CN
Inventors: 贺中良
Original assignee: Dongguan Zhongliang Sports Equipment Co ltd
Current assignee: Dongguan Zhongliang Sports Equipment Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-02-11
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses a PU wheel easy to disassemble and assemble, which relates to the field of PU wheels and comprises a mounting frame, wherein a rotating shaft is arranged on the mounting frame, the rotating shaft is provided with a PU wheel, fixed frames are fixedly arranged on two sides of the mounting frame respectively, movable grooves are formed in one sides, close to each other, of the two fixed frames, movable limiting plates are arranged in the two movable grooves in a sliding mode, the two movable limiting plates are respectively contacted with two ends of the rotating shaft, two sliding holes are formed in the two movable limiting plates respectively, and sliding rods are arranged in the two sliding holes in a sliding mode. According to the utility model, through the arrangement of the movable limiting plate, when the PU wheel is disassembled from the mounting frame, the rotating shaft on the PU wheel can be exposed in a mode of moving the movable limiting plate, so that the PU wheel can be disassembled and assembled directly in a mode of pulling down the rotating shaft, the problem that the bolt is easily affected by corrosion and aging after being installed for a long time and is inconvenient to replace is avoided, and further the practicability of the PU wheel is improved.

Description

PU wheel of easy dismouting

Technical Field

The utility model relates to the technical field of PU wheels, in particular to a PU wheel easy to disassemble and assemble.

Background

The PU wheel is also called PU pouring wheel, strictly speaking, PU is also one of plastics, and only additives are added in the production process, so that the performance is more excellent, and the production cost is increased.

Among the prior art, PU takes turns the in-process of using, and PU takes turns to can roll on rough subaerial, and long-time back PU wheel of using can receive wearing and tearing back thickness attenuation, and the height between the PU wheel becomes to have the gap, need change from this, but traditional PU takes turns to through the bolt installation, and the time just receives the ageing influence of corrosion easily for a long time, becomes inconvenient change, consequently needs the PU wheel of an easy dismouting to satisfy people's demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a PU wheel easy to disassemble and assemble, and aims to solve the problem that bolts proposed in the background art are easily affected by corrosion and aging and are inconvenient to replace.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a PU wheel of easy dismouting, includes the mounting bracket, be equipped with the pivot on the mounting bracket, be equipped with the PU wheel in the pivot, the equal fixed mounting in both sides of mounting bracket has fixed frame, and the activity groove has all been seted up to one side that two fixed frames are close to each other, and equal slidable mounting has movable limiting plate in two activity grooves, and two movable limiting plate contact with the both ends of pivot respectively, have all seted up two slide openings on two movable limiting plate, and equal slidable mounting has the slide bar in two slide openings, and two slide bars are close to the equal fixed mounting of one end in fixed frame on the top side inner wall in activity groove.

Preferably, the mounting bracket is rotatably provided with an L-shaped rod, one end of the L-shaped rod, which is far away from the mounting bracket, is fixedly provided with an anti-collision rod, and the anti-collision rod is matched with the PU wheel.

Preferably, a rotating hole is formed in the L-shaped rod, a fixing shaft is rotatably mounted in the rotating hole, and the fixing shaft is fixedly mounted on the mounting frame.

Preferably, the fixed shaft is provided with a clamping groove, and a semicircular block is movably arranged in the clamping groove.

Preferably, the inner wall of the rotating hole is provided with a mounting groove, the inner wall of the mounting groove is fixedly provided with one end of a fixed spring, the other end of the fixed spring is fixedly provided with a movable plate, and the movable plate is fixedly mounted on the corresponding semicircular block.

Preferably, the slide bar is movably sleeved with an adjusting spring, one end of the adjusting spring is fixedly installed on the inner wall of the top side of the movable groove, and the other end of the adjusting spring is fixedly installed on the top side of the movable limiting plate.

Preferably, two chutes are formed in the fixing frame, sliding blocks are arranged in the two chutes in a sliding manner, and the two sliding blocks are fixedly arranged on two sides of the movable limiting plate respectively.

The utility model has the beneficial effects that:

according to the utility model, through the arrangement of the movable limiting plate, when the PU wheel is disassembled from the mounting frame, the rotating shaft on the PU wheel can be exposed in a mode of moving the movable limiting plate, so that the PU wheel can be disassembled and assembled directly in a mode of pulling down the rotating shaft, the problem that the bolt is easily affected by corrosion and aging after being installed for a long time and is inconvenient to replace is avoided, and the practicability of the PU wheel is further improved.

According to the PU wheel anti-collision device, due to the arrangement of the anti-collision rods, a part of broken stone obstacles are avoided on the moving road surface of the PU wheel, the PU wheel can be prevented from contacting with the obstacles through the anti-collision rods, the influence of bumping on transportation when the PU wheel moves is avoided, and therefore the practicability of the PU wheel is further improved.

Drawings

FIG. 1 is a schematic perspective view of a PU wheel easy to disassemble and assemble according to the present invention;

FIG. 2 is a schematic structural view of a fixing frame portion of an easily disassembled PU wheel according to the present invention;

FIG. 3 is a schematic cross-sectional view of a PU wheel easy to disassemble and assemble according to the present invention;

FIG. 4 is a schematic structural view of portion A of FIG. 3 of an easily disassembled and assembled PU wheel according to the present invention;

fig. 5 is a schematic cross-sectional structural view of an L-shaped rod of a PU wheel easy to disassemble and assemble according to the present invention.

In the figure: 1. a mounting frame; 2. a rotating shaft; 3. a PU wheel; 4. a fixing frame; 5. a movable limit plate; 6. a slide hole; 7. a slide bar; 8. an L-shaped rod; 9. an anti-collision bar; 10. a fixed shaft; 11. a card slot; 12. a semicircular block; 13. mounting grooves; 14. fixing the spring; 15. a movable plate; 16. a chute; 17. a slider; 18. adjusting the spring; 19. a movable groove; 20. the hole is rotated.

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.

Referring to fig. 1-5, a PU wheel easy to disassemble and assemble comprises a mounting frame 1, a rotating shaft 2 is arranged on the mounting frame 1, a PU wheel 3 is arranged on the rotating shaft 2, fixed frames 4 are fixedly arranged on both sides of the mounting frame 1, movable grooves 19 are respectively arranged on one side, close to each other, of the two fixed frames 4, movable limiting plates 5 are respectively arranged in the two movable grooves 19 in a sliding manner, the two movable limiting plates 5 are respectively contacted with both ends of the rotating shaft 2, two sliding holes 6 are respectively arranged on the two movable limiting plates 5, sliding rods 7 are respectively arranged in the two sliding holes 6 in a sliding manner, one ends, close to the fixed frames 4, of the two sliding rods 7 are respectively fixedly arranged on the inner wall of the top side of the movable grooves 19, when the PU wheel 3 is disassembled and assembled, the movable limiting plates 5 are firstly pushed to move, so that the movable limiting plates 5 slide in the movable grooves 19 in the fixed frames 4, the movable limiting plates 5 drive sliding blocks 17 to slide on the sliding grooves 16, the movable limiting plate 5 can only move in the horizontal direction under the influence of the sliding groove 16 through the sliding block 17, and the movable limiting plate 5 can also slide on the sliding rod 7 through the sliding hole 6, so that the movable limiting plate 5 can only move in the horizontal direction under the influence of the sliding rod 7 on the sliding hole 6, and the two ends of the rotating shaft 2 are exposed out of the movable limiting plate 5 after moving.

According to the utility model, the L-shaped rod 8 is rotatably arranged on the mounting frame 1, the anti-collision rod 9 is fixedly arranged at one end, away from the mounting frame 1, of the L-shaped rod 8, the anti-collision rod 9 is matched with the PU wheel 3, so that a part of obstacles with broken stones are avoided on a road surface where the PU wheel 3 moves, the PU wheel 3 can be prevented from contacting the obstacles through the anti-collision rod 9, and the influence of bumping when the PU wheel 3 moves on transportation is avoided.

In the utility model, the L-shaped rod 8 is provided with a rotating hole 20, the rotating hole 20 is rotatably provided with the fixing shaft 10, and the fixing shaft 10 is fixedly arranged on the mounting rack 1, so that the L-shaped rod 8 can conveniently rotate on the fixing shaft 10 through the rotating hole 20.

In the utility model, the fixed shaft 10 is provided with the clamping groove 11, the semicircular block 12 is movably arranged in the clamping groove 11, so that the semicircular block 12 can be separated from the clamping groove 11 when the semicircular block 12 rotates, and the movable plate 15 is pushed by the semicircular block 12 to move.

In the utility model, the inner wall of the rotating hole 20 is provided with the mounting groove 13, one end of the fixed spring 14 is fixedly mounted on the inner wall of the mounting groove 13, the other end of the fixed spring 14 is fixedly mounted with the movable plate 15, the movable plate 15 is fixedly mounted on the corresponding semicircular block 12, so that the movable plate 15 and the semicircular block 12 can conveniently slide in the mounting groove 13, and the movable plate 15 can compress the fixed spring 14 when moving, so that the fixed spring 14 can rotate to a proper angle when the L-shaped rod 8 rotates.

According to the utility model, the sliding rod 7 is movably sleeved with the adjusting spring 18, one end of the adjusting spring 18 is fixedly arranged on the inner wall of the top side of the movable groove 19, and the other end of the adjusting spring 18 is fixedly arranged on the top side of the movable limiting plate 5, so that the adjusting spring 18 can be compressed when the movable limiting plate 5 moves, and the movable limiting plate 5 is pushed back to the original position through the adjusting spring 18 after the movable limiting plate 5 is loosened.

According to the utility model, two sliding grooves 16 are formed in the fixed frame 4, the sliding blocks 17 are slidably mounted in the two sliding grooves 16, the two sliding blocks 17 are fixedly mounted on two sides of the movable limiting plate 5 respectively, and the movable limiting plate 5 convenient to move drives the sliding blocks 17 to slide on the sliding grooves 16, so that the movable limiting plate 5 can only move in the horizontal direction under the influence of the sliding grooves 16 through the sliding blocks 17.

The working principle of the utility model is as follows:

when the PU wheel 3 is disassembled and assembled, firstly, the movable limiting plate 5 is pushed to move, so that the movable limiting plate 5 slides in a movable groove 19 in the fixed frame 4, the movable limiting plate 5 which moves slides on a sliding groove 16 with a sliding block 17, so that the movable limiting plate 5 is influenced by the sliding groove 16 through the sliding block 17 and can only move in the horizontal direction, the movable limiting plate 5 which moves can also slide on a sliding rod 7 through a sliding hole 6, so that the movable limiting plate 5 is influenced by the sliding rod 7 through the sliding hole 6 and can only move in the horizontal direction, so that the movable limiting plate 5 exposes two ends of a rotating shaft 2 after moving, the movable limiting plate 5 compresses an adjusting spring 18 when moving, the movable limiting plate 5 is pushed back to the original position through the adjusting spring 18 after loosening the movable limiting plate 5, when the crash bar 9 needs to be adjusted, the crash bar 9 is rotated, so that L type pole 8 rotates on fixed axle 10 through rotating hole 20, semicircle piece 12 can break away from draw-in groove 11 during the rotation, make semicircle piece 12 promote the fly leaf 15 and remove, make fly leaf 15 slide in mounting groove 13 together with semicircle piece 12, can compress fixed spring 14 when fly leaf 15 removes, make fixed spring 14 rotate to suitable angle at L type pole 8, can push semicircle piece 12 into in the suitable draw-in groove 11, thereby with L type pole 8's rigidity.

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 technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a PU wheel of easy dismouting, includes mounting bracket (1), be equipped with pivot (2) on mounting bracket (1), be equipped with PU wheel (3) on pivot (2), its characterized in that: the equal fixed mounting in both sides of mounting bracket (1) has fixed frame (4), activity groove (19) have all been seted up to one side that two fixed frames (4) are close to each other, equal slidable mounting has movable limiting plate (5) in two activity grooves (19), two movable limiting plate (5) contact with the both ends of pivot (2) respectively, two slide opening (6) have all been seted up on two movable limiting plate (5), equal slidable mounting has slide bar (7) in two slide opening (6), the equal fixed mounting of one end that two slide bar (7) are close to fixed frame (4) is on the top side inner wall of activity groove (19).

2. An easily disassembled PU wheel according to claim 1, characterized in that: rotate on mounting bracket (1) and install L type pole (8), the one end fixed mounting that mounting bracket (1) was kept away from in L type pole (8) has crash bar (9), crash bar (9) and PU wheel (3) looks adaptation.

3. An easily disassembled PU wheel according to claim 2, characterized in that: the L-shaped rod (8) is provided with a rotating hole (20), a fixing shaft (10) is rotatably mounted in the rotating hole (20), and the fixing shaft (10) is fixedly mounted on the mounting frame (1).

4. An easily disassembled PU wheel according to claim 3, characterized in that: the fixed shaft (10) is provided with a clamping groove (11), and a semicircular block (12) is movably arranged in the clamping groove (11).

5. An easily disassembled PU wheel according to claim 3, characterized in that: the inner wall of the rotating hole (20) is provided with a mounting groove (13), one end of a fixed spring (14) is fixedly mounted on the inner wall of the mounting groove (13), the other end of the fixed spring (14) is fixedly mounted with a movable plate (15), and the movable plate (15) is fixedly mounted on the corresponding semicircular block (12).

6. An easily disassembled PU wheel according to claim 1, characterized in that: an adjusting spring (18) is movably sleeved on the sliding rod (7), one end of the adjusting spring (18) is fixedly installed on the inner wall of the top side of the movable groove (19), and the other end of the adjusting spring (18) is fixedly installed on the top side of the movable limiting plate (5).

7. An easily disassembled PU wheel according to claim 1, characterized in that: two sliding grooves (16) are formed in the fixing frame (4), sliding blocks (17) are arranged in the two sliding grooves (16) in a sliding mode, and the two sliding blocks (17) are fixedly arranged on two sides of the movable limiting plate (5) respectively.