CN219774600U - Unidirectional dustproof bearing system - Google Patents
Unidirectional dustproof bearing system Download PDFInfo
- Publication number
- CN219774600U CN219774600U CN202321386083.3U CN202321386083U CN219774600U CN 219774600 U CN219774600 U CN 219774600U CN 202321386083 U CN202321386083 U CN 202321386083U CN 219774600 U CN219774600 U CN 219774600U
- Authority
- CN
- China
- Prior art keywords
- steel bowl
- dustproof
- ball retainer
- dustproof steel
- shaft pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 53
- 239000010959 steel Substances 0.000 claims abstract description 53
- 239000000428 dust Substances 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a unidirectional dustproof bearing system which comprises a dustproof steel bowl, wherein a shaft pin mounting hole is formed in the center of the dustproof steel bowl, a ball retainer is sleeved on the inner side of the dustproof steel bowl, a plurality of bearing balls are uniformly distributed on the ball retainer, the top surfaces of the bearing balls are higher than the top surfaces of the dustproof steel bowl and the ball retainer, the bearing balls are rotatably connected with the ball retainer, and the ball retainer is rotatably connected with the dustproof steel bowl. The utility model has simple structure, convenient installation and good use effect, the shaft pin passes through the shaft pin installation hole of the dustproof steel bowl and is connected with the small movable part, the bearing ball contacts with the surface of the small movable part, the shaft pin head of the shaft pin props against the dustproof steel bowl, the dustproof steel bowl covers the surface of the small movable part, the installation position of the shaft pin has the dustproof effect, the inside of the shaft pin cannot be polluted by dust, the small movable part rotates smoothly, and the use effect of the small movable part is improved.
Description
Technical Field
The utility model relates to the technical field of shaft pins, in particular to a unidirectional dustproof bearing system.
Background
The pin shaft is a standardized fastener, can be fixedly connected in a static state and can also relatively move with a connected piece, and is mainly used for the hinge joint of two parts to form hinge connection. The pin shaft is usually locked by a cotter pin, so that the pin shaft is reliable in work and convenient to detach. However, after some small movable parts with limited space are connected with the shaft pin, the situation of unsmooth rotation can occur, and the installation position of the coaxial pin is not provided with a dust-proof device, so that the pin shaft is easy to be polluted by dust, and the small movable parts are unsmooth in rotation, so that the using effect of the small movable parts is affected. Accordingly, there is a need for improvements in the art to avoid the disadvantages of the prior art.
Disclosure of Invention
The utility model aims to overcome the defects and the shortcomings in the prior art and provides a unidirectional dustproof bearing system which is simple in structure and convenient to use.
The utility model is realized by the following technical scheme:
the utility model provides a one-way dustproof bearing system, includes dustproof steel bowl, the center of dustproof steel bowl is equipped with a pivot mounting hole, the inboard cover of dustproof steel bowl is equipped with a ball holder, a plurality of bearing balls are installed to ball holder equipartition, the top surface of bearing ball is higher than dustproof steel bowl reaches the top surface of ball holder, bearing ball rotate connect in the ball holder, the ball holder with dustproof steel bowl rotates to be connected.
Further, the dustproof steel bowl is provided with a positioning groove for installing the ball retainer.
Further, the bearing balls are uniformly distributed on the outer side of the ball retainer in an annular array.
Further, a through hole is formed in the inner side of the ball retainer, and the dustproof steel bowl is provided with a convex column corresponding to the through hole.
Further, a dustproof edge covering the outer side of the ball retainer is arranged on the outer side of the dustproof steel bowl.
Further, the ball cage is provided with openings for the bearing balls to be mounted.
Further, the dustproof steel bowl and the ball retainer are all in annular arrangement.
Further, the top surface of the ball retainer is higher than the top surface of the dustproof steel bowl.
Compared with the prior art, the dustproof steel bowl is provided with the shaft pin mounting hole through the center, the ball retainer is sleeved on the inner side of the dustproof steel bowl, the ball retainer is uniformly provided with the bearing balls, the shaft pins penetrate through the shaft pin mounting hole of the dustproof steel bowl and are connected with the small movable part, the bearing balls are contacted with the surface of the small movable part, the shaft pin heads of the shaft pins prop against the dustproof steel bowl, the dustproof steel bowl covers the surface of the small movable part, the shaft pin mounting position has a dustproof effect, the inside of the shaft pin cannot be polluted by dust, the small movable part rotates smoothly, and the use effect of the small movable part is improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a one-way dust bearing system of the present utility model;
fig. 2 is an exploded view of the structure of the one-way dust bearing system of the present utility model.
In the figure: 1-a dustproof steel bowl; 2-a shaft pin mounting hole; 3-ball holders; 4-bearing balls; 5-positioning grooves; 6-through holes; 7-convex columns; 8-dustproof edges; 9-opening holes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The unidirectional dustproof bearing system comprises a dustproof steel bowl 1, a shaft pin mounting hole 2 is formed in the center of the dustproof steel bowl 1, a ball retainer 3 is sleeved on the inner side of the dustproof steel bowl 1, a plurality of bearing balls 4 are uniformly distributed on the ball retainer 3, the top surfaces of the bearing balls 4 are higher than the top surfaces of the dustproof steel bowl 1 and the ball retainer 3, the bearing balls 4 are rotatably connected to the ball retainer 3, and the ball retainer 3 is rotatably connected with the dustproof steel bowl 1. The center through dustproof steel bowl 1 is equipped with a pivot mounting hole 2, the inboard cover of dustproof steel bowl 1 is equipped with a ball holder 3, a plurality of bearing balls 4 are installed to ball holder 3 equipartition, the pivot passes the pivot mounting hole 2 of dustproof steel bowl 1, be connected with small-size movable part again, bearing ball 4 and small-size movable part's surface contact, the pivot head of pivot supports dustproof steel bowl 1, dustproof steel bowl 1 covers in small-size movable part's surface, make the pivot mounted position have dustproof effect, the round pin inside can not be polluted by the dust, small-size movable part rotates smoothly, improve small-size movable part's result of use.
The dustproof steel bowl 1 is provided with the positioning groove 5 for installing the ball retainer 3, so that the ball retainer 3 is installed quickly and conveniently and is installed stably.
The bearing balls 4 are uniformly distributed on the outer side of the ball retainer 3 in an annular array, so that the bearing balls 4 are stably supported and smoothly rotated.
The inner side of the ball retainer 3 is provided with a through hole 6, and the dustproof steel bowl 1 is provided with a convex column 7 corresponding to the through hole 6, so that the ball retainer 3 is more stably installed and can smoothly rotate.
The outside of dustproof steel bowl 1 is equipped with a dustproof limit 8 that covers ball holder 3 outside, improves dustproof effect of dustproof steel bowl 1.
The ball cage 3 is provided with openings 9 for the mounting of the bearing balls 4 for the positioning and mounting of the bearing balls 4.
The dustproof steel bowl 1 and the ball retainer 3 are all in annular arrangement, and the dustproof steel bowl 1 and the ball retainer 3 are connected and relatively rotate.
The top surface of the ball retainer 3 is higher than the top surface of the dustproof steel bowl 1, so that the dustproof steel bowl 1 is prevented from being contacted with the surface of the small movable part, and the rotation of the small movable part is prevented from being influenced.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. A one-way dust bearing system, characterized by: the dustproof steel bowl comprises a dustproof steel bowl, a shaft pin mounting hole is formed in the center of the dustproof steel bowl, a ball retainer is sleeved on the inner side of the dustproof steel bowl, a plurality of bearing balls are uniformly distributed on the ball retainer, the top surfaces of the bearing balls are higher than the top surfaces of the dustproof steel bowl and the ball retainer, the bearing balls are rotationally connected with the ball retainer, and the ball retainer is rotationally connected with the dustproof steel bowl.
2. A one-way dust bearing system according to claim 1, wherein: the dustproof steel bowl is provided with a positioning groove for installing the ball retainer.
3. A one-way dust bearing system according to claim 1, wherein: the bearing balls are uniformly distributed on the outer side of the ball retainer in an annular array.
4. A one-way dust bearing system according to claim 1, wherein: the inner side of the ball retainer is provided with a through hole, and the dustproof steel bowl is provided with a convex column corresponding to the through hole.
5. A one-way dust bearing system according to claim 1, wherein: the outer side of the dustproof steel bowl is provided with a dustproof edge which covers the outer side of the ball retainer.
6. A one-way dust bearing system according to claim 1, wherein: the ball retainer is provided with openings for the bearing balls to be mounted.
7. A one-way dust bearing system according to claim 1, wherein: the dustproof steel bowl and the ball retainer are all in annular arrangement.
8. A one-way dust bearing system according to claim 1, wherein: the top surface of the ball retainer is higher than the top surface of the dustproof steel bowl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321386083.3U CN219774600U (en) | 2023-06-02 | 2023-06-02 | Unidirectional dustproof bearing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321386083.3U CN219774600U (en) | 2023-06-02 | 2023-06-02 | Unidirectional dustproof bearing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219774600U true CN219774600U (en) | 2023-09-29 |
Family
ID=88131452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321386083.3U Active CN219774600U (en) | 2023-06-02 | 2023-06-02 | Unidirectional dustproof bearing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219774600U (en) |
-
2023
- 2023-06-02 CN CN202321386083.3U patent/CN219774600U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |