CN220523125U - Inner star wheel - Google Patents
Inner star wheel Download PDFInfo
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- CN220523125U CN220523125U CN202322330109.9U CN202322330109U CN220523125U CN 220523125 U CN220523125 U CN 220523125U CN 202322330109 U CN202322330109 U CN 202322330109U CN 220523125 U CN220523125 U CN 220523125U
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- wheel body
- ball cage
- grooves
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- 238000000034 method Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of inner star wheels, in particular to an inner star wheel which comprises a wheel body, wherein a ball cage is sleeved on the outer side of the wheel body, a first clamping groove and two groups of second clamping grooves are formed in the inner wall of the ball cage, twelve positioning sliding grooves are formed in the side surface of the wheel body, positioning sliding blocks are connected inside the positioning sliding grooves in a sliding manner, positioning sliding rods are fixedly connected with the surfaces of the positioning sliding blocks, a connecting block is fixedly connected with one end of each positioning sliding rod close to the ball cage, a connecting shaft is fixedly connected inside the connecting block, positioning rollers are rotatably connected to the outer side of the connecting shaft, and the positioning rollers are connected with the second clamping grooves in a sliding manner; utilize the positioning roller to support the location to the wheel body, pivoted in-process, the positioning roller rolls in the inside of second draw-in groove, when reaching to support the wheel body, reduces the friction with the ball cage, reduces the loss of energy to and reduce the wearing and tearing to the ball cage, further improves the safety in utilization of interior star gear.
Description
Technical Field
The utility model relates to the technical field of inner star wheels, in particular to an inner star wheel.
Background
In more and more mechanical devices, mechanical parts capable of flexibly rotating are often needed, common mechanical parts are ball cage universal joints, the common ball cage universal joints comprise inner star wheels and balls, the common inner star wheels are fixed in structure, workers cannot conveniently install the ball cage, and when a gap between the inner star wheels and the ball cage is large, the inner star wheels easily fall out of the ball cage; publication number CN214945865U discloses a durable inner star gear, belongs to inner star gear technical field, and it is including the wheel body of seting up the slip chamber, install the ball cage on the wheel body, slidable mounting is on the slip chamber slide column, set up locking Assembly on the wheel body, set up coupling assembling on the slide column to and set up the elastic component on the slide column, this application can reduce inner star gear and drop out the ball cage outside, the effect of staff's installation of being convenient for.
The device supports the wheel body through utilizing the wear-resisting pad to strengthen the stability of wheel body and ball cage, but including star gear pivoted in-process, wear-resisting pad can take place the friction with the ball cage, can cause the wearing and tearing of ball cage on the one hand, and on the other hand frictional in-process resistance is great, can cause a large amount of energy waste, and energy utilization efficiency is lower.
Therefore, it is necessary to invent an inner star wheel to solve the above problems.
Disclosure of Invention
The utility model aims to provide an inner star wheel so as to solve the problems that on one hand, the wear of a ball cage is caused, on the other hand, the resistance is high in the friction process, a large amount of energy is wasted, and the energy utilization efficiency is low in the technology.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides an interior star gear, includes the wheel body, the outside cover of wheel body is equipped with the ball cage, first draw-in groove and two sets of second draw-in grooves have been seted up to the inner wall of ball cage, twelve location spouts have been seted up to the side of wheel body, the inside sliding connection of location spout has the location slider, the fixed surface of location slider has the location slide bar, the location slide bar is close to the one end fixedly connected with connecting block of ball cage, the inside fixedly connected with connecting axle of connecting block, the outside rotation of connecting axle is connected with the location gyro wheel, the location gyro wheel with second draw-in groove sliding connection.
Through the technical scheme, the friction with the ball cage is reduced, the energy loss is reduced, the abrasion to the ball cage is reduced, and the use safety of the inner star wheel is further improved when the wheel body is supported.
Preferably, the two positioning sliding grooves are in a group, six groups of through holes are formed in the eccentric position of the surface of the wheel body, and each group of positioning sliding grooves corresponds to the position of each through hole.
Through the technical scheme, the position of the positioning sliding block is adjusted.
Preferably, a fixed position block is fixedly connected between the through hole and the through hole, and a positioning screw rod is connected to the inner thread of the fixed position block.
Through the technical scheme, one end of the positioning screw rod is positioned in the through hole, so that the positioning screw rod is rotated.
Preferably, one end of the positioning screw rod, which is close to the ball cage, is tightly abutted against the surface of the positioning sliding block.
Through the technical scheme, the positioning sliding block is pushed to the outside in the process of rotating towards the outer side by the positioning screw rod.
Preferably, the surface of the positioning slide bar is sleeved with a buffer spring, and two ends of the buffer spring are respectively abutted against the top wall of the positioning slide block and the top wall of the positioning slide groove.
Through the technical scheme, the buffer spring pushes the positioning sliding block inwards in the process of inwards rotating the positioning screw rod.
Preferably, six groups of limit grooves are formed in the side wall of the wheel body, and the six groups of limit grooves are located between the two groups of positioning sliding grooves.
Through the technical scheme, the balls are arranged in the six groups of limit grooves and roll in the installation grooves.
Preferably, a ball is arranged between the limiting groove and the first clamping groove.
Through the technical scheme, the ball is used for reducing friction between the wheel body and the ball cage, so that the wheel body rotates around the ball cage.
Preferably, tooth grooves are formed in the concentric positions of the wheel body.
Through the technical scheme, the tooth slot is used for being connected with an external transmission shaft, and the external transmission shaft drives the wheel body to rotate through the tooth slot.
In the technical scheme, the utility model has the technical effects and advantages that:
according to the utility model, the positioning sliding block is connected in a sliding manner through the inside of the positioning sliding groove, the positioning sliding rod is fixedly connected to the surface of the positioning sliding block, one end of the positioning sliding rod, which is close to the ball cage, is fixedly connected to the connecting block, the connecting shaft is fixedly connected to the inside of the connecting block, the positioning roller is rotationally connected to the outer side of the connecting shaft, and is in sliding connection with the second clamping groove.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a wheel body structure according to the present utility model;
FIG. 3 is a schematic view of a positioning roller structure according to the present utility model;
FIG. 4 is a schematic cross-sectional view of FIG. 3;
fig. 5 is a schematic view of the structure of the cage according to the present utility model.
Reference numerals illustrate:
1. a wheel body; 11. tooth slots; 12. a limit groove; 13. a ball; 14. a ball cage; 15. a first clamping groove; 16. a second clamping groove; 17. a through hole; 2. positioning a chute; 21. a buffer spring; 22. positioning a sliding block; 23. positioning a slide bar; 24. a connecting block; 25. a connecting shaft; 26. positioning rollers; 27. a fixed position block; 28. and positioning a screw rod.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The utility model provides an inner star wheel as shown in fig. 1-5, which comprises a wheel body 1, wherein a ball cage 14 is sleeved on the outer side of the wheel body 1, a first clamping groove 15 and two groups of second clamping grooves 16 are formed in the inner wall of the ball cage 14, twelve positioning sliding grooves 2 are formed in the side face of the wheel body 1, a positioning sliding block 22 is connected in a sliding manner in the positioning sliding grooves 2, a positioning sliding rod 23 is fixedly connected to the surface of the positioning sliding block 22, a connecting block 24 is fixedly connected to one end, close to the ball cage 14, of the positioning sliding rod 23, a connecting shaft 25 is fixedly connected to the inner side of the connecting block 24, a positioning roller 26 is connected to the outer side of the connecting shaft 25 in a rotating manner, and the positioning roller 26 is connected with the second clamping grooves 16 in a sliding manner.
Wherein, through utilizing positioning roller 26 to support the location to wheel body 1, the pivoted in-process, positioning roller 26 rolls in the inside of second draw-in groove 16, when reaching to support wheel body 1, reduces the friction with ball cage 14, reduces the loss of energy to and reduce the wearing and tearing to ball cage 14, further improves the safety in utilization of interior star gear.
As a preferred mode of the embodiment, the two positioning sliding grooves 2 are a group, six groups of through holes 17 are formed in the eccentric position of the surface of the wheel body 1, each group of positioning sliding grooves 2 corresponds to the position of each through hole 17, a fixing position block 27 is fixedly connected between each through hole 17 and each through hole 17, a positioning screw rod 28 is connected to the inner thread of each fixing position block 27, one end, close to the ball cage 14, of each positioning screw rod 28 abuts against the surface of the corresponding positioning sliding block 22, a buffer spring 21 is sleeved on the surface of each positioning sliding rod 23, and two ends of each buffer spring 21 abut against the top wall of each positioning sliding block 22 and the top wall of each positioning sliding groove 2.
Meanwhile, in a natural state, the positioning screw rod 28 is rotated towards the inner side close to the through hole 17, at the moment, the tension of the buffer spring 21 pushes the positioning sliding block 22 to slide towards the axis side close to the wheel body 1 in the positioning sliding groove 2, drives the positioning sliding rod 23 to slide towards the inner side, and contracts the positioning roller 26 towards the side close to the wheel body 1, so that the ball cage 14 is conveniently sleeved on the outer side of the wheel body 1.
As a preferred embodiment, six groups of limiting grooves 12 are formed in the side wall of the wheel body 1, the six groups of limiting grooves 12 are located between the two groups of positioning sliding grooves 2, balls 13 are arranged between the limiting grooves 12 and the first clamping grooves 15, and tooth grooves 11 are formed in the concentric positions of the wheel body 1.
Specifically, during installation, the ball cage 14 is sleeved on the outer side of the wheel body 1, then the ball 13 is placed between the limiting groove 12 and the first clamping groove 15, the positioning screw rod 28 is rotated, the positioning slide block 22 is pushed outwards by the positioning slide block 23, the positioning roller 26 is pushed outwards by the positioning slide block 23, and the positioning roller 26 is clamped in the second clamping groove 16 to support the wheel body 1.
The working principle of the utility model is as follows: in order to reduce friction between the wear-resisting pad and the ball cage 14, reduce energy loss and reduce abrasion to the ball cage 14, the wear-resisting pad is set to be a positioning roller 26, the ball cage 14 is sleeved on the outer side of the wheel body 1, then a ball 13 is put between a limiting groove 12 and a first clamping groove 15, a positioning screw rod 28 is rotated, a positioning sliding block 22 is pushed outwards, a positioning sliding rod 23 is pushed outwards by the positioning sliding block 22, the positioning roller 26 is pushed outwards by the positioning sliding rod 23, the positioning roller 26 is clamped in the second clamping groove 16, and the wheel body 1 is supported and positioned by the positioning roller 26;
wherein, in the pivoted in-process, the positioning roller 26 rolls in the inside of second draw-in groove 16, when reaching to support wheel body 1, reduces the friction with ball cage 14, reduces the loss of energy to and reduce the wearing and tearing to ball cage 14, further improves inner star gear's safety in utilization and life-span.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed.
Claims (8)
1. An inner star wheel, comprising a wheel body (1), characterized in that: the utility model discloses a wheel body, including wheel body (1), ball cage (14) are equipped with to the outside cover of wheel body (1), first draw-in groove (15) and two sets of second draw-in grooves (16) have been seted up to the inner wall of ball cage (14), twelve location spouts (2) have been seted up to the side of wheel body (1), the inside sliding connection of location spout (2) has location slider (22), the fixed surface of location slider (22) has location slide bar (23), location slide bar (23) are close to one end fixedly connected with connecting block (24) of ball cage (14), the inside fixedly connected with connecting axle (25) of connecting block (24), the outside rotation of connecting axle (25) is connected with location gyro wheel (26), location gyro wheel (26) with second draw-in groove (16) sliding connection.
2. An inner star wheel according to claim 1, wherein: the two positioning sliding grooves (2) are in one group, six groups of through holes (17) are formed in the eccentric position of the surface of the wheel body (1), and each group of positioning sliding grooves (2) corresponds to the position of each through hole (17).
3. An inner star wheel according to claim 2, wherein: a fixed position block (27) is fixedly connected between the through hole (17) and the through hole (17), and a positioning screw rod (28) is connected with the inside of the fixed position block (27) in a threaded manner.
4. An inner star wheel according to claim 3, wherein: one end of the positioning screw rod (28) close to the ball cage (14) is tightly abutted against the surface of the positioning sliding block (22).
5. An inner star wheel according to claim 4, wherein: the surface of the positioning slide bar (23) is sleeved and connected with a buffer spring (21), and two ends of the buffer spring (21) are respectively abutted against the top wall of the positioning slide block (22) and the top wall of the positioning slide groove (2).
6. An inner star wheel according to claim 2, wherein: six groups of limit grooves (12) are formed in the side wall of the wheel body (1), and the six groups of limit grooves (12) are located between the two groups of positioning sliding grooves (2).
7. An inner star wheel according to claim 6, wherein: a ball (13) is arranged between the limiting groove (12) and the first clamping groove (15).
8. An inner star wheel according to claim 7, wherein: tooth grooves (11) are formed in the concentric positions of the wheel body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322330109.9U CN220523125U (en) | 2023-08-29 | 2023-08-29 | Inner star wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322330109.9U CN220523125U (en) | 2023-08-29 | 2023-08-29 | Inner star wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220523125U true CN220523125U (en) | 2024-02-23 |
Family
ID=89923559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322330109.9U Active CN220523125U (en) | 2023-08-29 | 2023-08-29 | Inner star wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220523125U (en) |
-
2023
- 2023-08-29 CN CN202322330109.9U patent/CN220523125U/en active Active
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