CN204851992U - Miniature bearing - Google Patents
Miniature bearing Download PDFInfo
- Publication number
- CN204851992U CN204851992U CN201520530225.8U CN201520530225U CN204851992U CN 204851992 U CN204851992 U CN 204851992U CN 201520530225 U CN201520530225 U CN 201520530225U CN 204851992 U CN204851992 U CN 204851992U
- Authority
- CN
- China
- Prior art keywords
- outer ring
- guiding groove
- inner ring
- guide way
- miniature bearing
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model provides a pair of miniature bearing, through be equipped with the outer lane guide way that two sets of parallel intervals set up at the outer lane inner wall, be equipped with two sets of inner circle guide ways at the inner circle outer wall, the steel ball is smooth locating in two sets of outer lanes guide way and the inner circle guide way respectively, two sets of steel balls have been formed promptly, the inner circle slides in the outer lane through two sets of steel balls, be favorable to the stability between outer lane and the inner circle, the abrasion strength between steel ball and outer lane guide way and the inner circle guide way has been increased, miniature bearing's stability has been strengthened, has the good balance effect. The outer lane guide way is very shallow with the degree of depth of inner circle guide way, and the steel ball is little with the contact surface of outer lane guide way and inner circle guide way, has reduced the frictional force between steel ball and outer lane guide way and the inner circle guide way, has prolonged miniature bearing's life.
Description
Technical field
The utility model relates to a kind of miniature bearing.
Background technique
At present, existing miniature bearing is in the process of rotating, and stability is bad, and inner ring and the frictional force between outer ring and steel ball are comparatively large, can cause damage, reduce the working life of miniature bearing to steel ball.
Model utility content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of stability strong, the miniature bearing of long service life.
The utility model realizes like this, a kind of miniature bearing, comprise an outer ring and and be located at inner ring in described outer ring, described outer ring and described inner ring are coaxially arranged, described outer ring inwall circumference offers the outer ring guiding groove that two groups of parallel interval are arranged, described interior ring outer wall circumference offers the inner ring guiding groove that two groups of parallel interval are arranged, the first scaffold and second scaffold of ring-type is provided with from top to bottom between described outer ring and described inner ring, between described first scaffold and described second scaffold, interval is arranged, described first scaffold radial direction offers the upper mounting hole of a horizontally disposed row, described second scaffold radial direction offers the lower mounting hole of a horizontally disposed row, a steel ball is equipped with in described upper mounting hole and described lower mounting hole, described steel ball one end is slidedly arranged in the guiding groove of described outer ring, the described steel ball the other end is slidedly arranged in described inner ring guiding groove.
Particularly, the axial length of described outer ring is equal with the axial length of described inner ring.
Particularly, the cross section of described outer ring guiding groove and described inner ring guiding groove is arc.
Particularly, the quantity of described upper mounting hole is identical with the quantity of described lower mounting hole.
Particularly, the degree of depth of described outer ring guiding groove and the degree of depth of described inner ring guiding groove are 0.1 ± 0.02mm.
Further, described outer ring outer wall circumference offers an arc groove.
The miniature bearing that the utility model provides, by being provided with the outer ring guiding groove that two groups of parallel interval are arranged at outer ring inwall, two groups of inner ring guiding grooves are provided with at interior ring outer wall, steel ball is slidedly arranged in two groups of outer ring guiding grooves and inner ring guiding groove respectively, namely defines two groups of steel balls, and inner ring is slided in outer ring by two groups of steel balls, be conducive to stablizing between outer ring and inner ring, increase steel ball and the abrasion resistance between outer ring guiding groove and inner ring guiding groove, enhance the stability of miniature bearing, good balance effect; The degree of depth of outer ring guiding groove and inner ring guiding groove is very shallow, and the surface of contact of steel ball and outer ring guiding groove and inner ring guiding groove is little, decreases steel ball and the frictional force between outer ring guiding groove and inner ring guiding groove, extends the working life of miniature bearing.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical solution of the utility model, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the scheme of installation of the miniature bearing that the utility model provides.
Fig. 2 is the decomposing schematic representation of the miniature bearing that the utility model provides.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described.
As depicted in figs. 1 and 2, a kind of miniature bearing that the utility model embodiment provides, comprise an outer ring 1 and and be located at inner ring 2 in outer ring 1, outer ring 1 and inner ring 2 are coaxially arranged, outer ring 1 inwall circumference offers the outer ring guiding groove 11 that two groups of parallel interval are arranged, inner ring 2 outer wall circumference offers the inner ring guiding groove 21 that two groups of parallel interval are arranged, the first scaffold 3 and the second scaffold 4 of a ring-type is provided with from top to bottom between outer ring 1 and inner ring 2, between first scaffold 3 and the second scaffold 4, interval is arranged, first scaffold 3 radial direction offers the upper mounting hole 31 of a horizontally disposed row, second scaffold 4 radial direction offers the lower mounting hole 41 of a horizontally disposed row, a steel ball 5 is equipped with in upper mounting hole 31 and lower mounting hole 41, steel ball 5 one end is slidedly arranged in outer ring guiding groove 11, steel ball 5 the other end is slidedly arranged in inner ring guiding groove 21.
Particularly, the axial length of described outer ring 1 is equal with the axial length of inner ring 2.
Preferably, described outer ring guiding groove 11 is arc with the cross section of inner ring guiding groove 21, is convenient to outer ring guiding groove 11 and inner ring guiding groove 21 and steel ball 5 and matches, be conducive to steel ball 5 and slide in outer ring guiding groove 11 and inner ring guiding groove 21.
Particularly, described upper installation 31 is identical with the quantity of lower mounting hole 41, the steel ball 5 be located in mounting hole 31 can be made and the distance be located between the steel ball 5 in lower mounting hole 41 even, improve the stability between inner ring 1 and outer ring 2.
Particularly, the degree of depth of described outer ring guiding groove 11 and the degree of depth of inner ring guiding groove 21 are 0.1 ± 0.02mm, decrease steel ball 5 and the frictional force between outer ring guiding groove 11 and inner ring guiding groove 21.
Further, described outer ring 1 outer wall circumference offers an arc groove 12, is convenient to outer ring 1 to locate, is conducive to the installation of miniature bearing by arc groove 12.
Particularly, miniature bearing of the present utility model is preferably deep groove ball bearing, the U-shaped bearing of double-row balls deep groove ball bearing or outer ring.
The miniature bearing that the utility model provides, by being provided with the outer ring guiding groove 11 that two groups of parallel interval are arranged at outer ring 1 inwall, two groups of inner ring guiding grooves 21 are provided with at inner ring 2 outer wall, steel ball 5 is slidedly arranged in two groups of outer ring guiding grooves 11 and inner ring guiding groove 21 respectively, namely two groups of steel balls 5 are defined, inner ring 2 is slided in outer ring 1 by two groups of steel balls 5, be conducive to stablizing between outer ring 1 and inner ring 2, increase steel ball 5 and the abrasion resistance between outer ring guiding groove 11 and inner ring guiding groove 21, enhance the stability of miniature bearing, good balance effect; Outer ring guiding groove 11 is very shallow with the degree of depth of inner ring guiding groove 21, and steel ball 5 is little with the surface of contact of outer ring guiding groove 11 and inner ring guiding groove 21, decreases steel ball 5 and the frictional force between outer ring guiding groove 11 and inner ring guiding groove 21, extends the working life of miniature bearing.
The above is preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (6)
1. a miniature bearing, it is characterized in that, comprise an outer ring and and be located at inner ring in described outer ring, described outer ring and described inner ring are coaxially arranged, described outer ring inwall circumference offers the outer ring guiding groove that two groups of parallel interval are arranged, described interior ring outer wall circumference offers the inner ring guiding groove that two groups of parallel interval are arranged, the first scaffold and second scaffold of ring-type is provided with from top to bottom between described outer ring and described inner ring, between described first scaffold and described second scaffold, interval is arranged, described first scaffold radial direction offers the upper mounting hole of a horizontally disposed row, described second scaffold radial direction offers the lower mounting hole of a horizontally disposed row, a steel ball is equipped with in described upper mounting hole and described lower mounting hole, described steel ball one end is slidedly arranged in the guiding groove of described outer ring, the described steel ball the other end is slidedly arranged in described inner ring guiding groove.
2. miniature bearing according to claim 1, is characterized in that, the axial length of described outer ring is equal with the axial length of described inner ring.
3. miniature bearing according to claim 1, is characterized in that, the cross section of described outer ring guiding groove and described inner ring guiding groove is arc.
4. miniature bearing according to claim 1, is characterized in that, the quantity of described upper mounting hole is identical with the quantity of described lower mounting hole.
5. miniature bearing according to claim 1, is characterized in that, the degree of depth of described outer ring guiding groove and the degree of depth of described inner ring guiding groove are 0.1 ± 0.02mm.
6. miniature bearing according to claim 1, is characterized in that, described outer ring outer wall circumference offers an arc groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520530225.8U CN204851992U (en) | 2015-07-21 | 2015-07-21 | Miniature bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520530225.8U CN204851992U (en) | 2015-07-21 | 2015-07-21 | Miniature bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204851992U true CN204851992U (en) | 2015-12-09 |
Family
ID=54742543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520530225.8U Expired - Fee Related CN204851992U (en) | 2015-07-21 | 2015-07-21 | Miniature bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204851992U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246918A (en) * | 2016-09-14 | 2016-12-21 | 天津汇讯视通科技有限公司 | Bearing seal structure on monopod video camera |
| CN107817249A (en) * | 2017-10-28 | 2018-03-20 | 庄玉琼 | A kind of pipe material inner wall the cannot-harm-detection device |
-
2015
- 2015-07-21 CN CN201520530225.8U patent/CN204851992U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246918A (en) * | 2016-09-14 | 2016-12-21 | 天津汇讯视通科技有限公司 | Bearing seal structure on monopod video camera |
| CN107817249A (en) * | 2017-10-28 | 2018-03-20 | 庄玉琼 | A kind of pipe material inner wall the cannot-harm-detection device |
| CN107817249B (en) * | 2017-10-28 | 2020-07-17 | 山东德浦泰管业科技有限公司 | Nondestructive testing device for inner wall of pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20200721 |