CN207526890U - A kind of high-precision bearing mechanism - Google Patents
A kind of high-precision bearing mechanism Download PDFInfo
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- CN207526890U CN207526890U CN201721013185.5U CN201721013185U CN207526890U CN 207526890 U CN207526890 U CN 207526890U CN 201721013185 U CN201721013185 U CN 201721013185U CN 207526890 U CN207526890 U CN 207526890U
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Abstract
The utility model is related to mechanical assembly technique fields, more particularly to a kind of high-precision bearing mechanism, including bearing block and two bearings, two bearings are embedded in side by side in the bearing block, spacer ring is provided between two bearings, each bearing includes inner ring, outer ring and ball body, and the inner ring is slidably matched by the ball body and the outer ring, and the spacer ring and two inner rings are in close contact.Due to adding spacer ring among two bearings of the utility model, and spacer ring and two inner rings are in close contact（Spacer ring is not contacted with outer ring）, reduce the gap of bearing internal external circle, improve the precision of Bearning mechanism, reduce friction abrasion caused by bearing, increase the service life of bearing, and a degree of movement sound for reducing bearing.
Description
Technical field
The utility model is related to mechanical assembly technique fields, and in particular to a kind of high-precision bearing mechanism.
Background technology
In recent years, as the mankind constantly promote the required precision of product, high-precision equipment has been widely used for producing
In the every field of manufacture, especially machine-building, standard machinery is just gradually by high-precision, high efficiency, high automated mechanical
It is replaced, reasonability of the raising depending on Machine Design of Product Precision and the innovation to conventional mechanisms are with having updated
It is kind.Therefore, two bearing face pastes are generally used at the field of the motions such as leading screw module, present two bearing fits of technology
The form that face directly coordinates, due to bearing ball body with Internal and external cycle raceway in itself there are certain interval, the ball in actual motion
There are jetes in raceway to move for body, on the one hand, increases the abrasion to bearing, affects the service life of bearing；On the other hand,
The service precision of bearing is affected, so as to affect the precision of mechanical equipment.
Utility model content
The purpose of this utility model is that：In view of the deficiencies of the prior art, a kind of high-precision bearing mechanism is provided, the axis
It holds in mechanism and adds spacer ring among two bearings, reduce the gap of bearing internal external circle, improve the precision of Bearning mechanism,
Reduce friction abrasion caused by bearing, increase the service life of bearing, and a degree of movement for reducing bearing
Sound.
To achieve the above object, the utility model adopts the following technical solution：
A kind of high-precision bearing mechanism, including bearing block and two bearings, two bearings are embedded in the axis side by side
In bearing, spacer ring is provided between two bearings, each bearing includes inner ring, outer ring and ball body, described interior
Circle is slidably matched by the ball body and the outer ring, and the spacer ring and two inner rings are in close contact.
As a kind of improvement of high-precision bearing mechanism described in the utility model, the thickness of the spacer ring for 0.001 ~
0.01mm。
As a kind of improvement of high-precision bearing mechanism described in the utility model, the thickness of the spacer ring is
0.008mm。
As a kind of improvement of high-precision bearing mechanism described in the utility model, the inner ring has inner ring raceway, institute
Outer ring is stated with outer ring raceway, the inner ring raceway and the outer ring raceway are disposed as " V " shape structure, and the ball body pastes
Together in the inner ring raceway and the inclined-plane of the outer ring raceway.
As a kind of improvement of high-precision bearing mechanism described in the utility model, bearing cap, the bearing cap are further included
The bearing block is covered on, and the bearing cap is in close contact with the bearing.
As a kind of improvement of high-precision bearing mechanism described in the utility model, two oil sealings and two connections are further included
Ring, one of them described oil sealing are embedded in the bearing block, another described oil sealing is embedded in the bearing cap, described in two
Connection ring is embedded in respectively in two oil sealings.
The beneficial effects of the utility model are：The utility model includes bearing block and two bearings, two bearings
It is embedded in side by side in the bearing block, spacer ring is provided between two bearings, each bearing includes inner ring, outer ring
And ball body, the inner ring are slidably matched by the ball body and the outer ring, the spacer ring and two inner rings are tight
Contiguity is touched.Due to adding spacer ring among two bearings of the utility model, and spacer ring and two inner rings are in close contact（Between
Spacer ring is not contacted with outer ring）, reduce the gap of bearing internal external circle, improve the precision of Bearning mechanism, reduce friction to axis
Abrasion caused by holding increases the service life of bearing, and a degree of movement sound for reducing bearing.
Description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and forms one of the utility model
Point, the exemplary embodiment and its explanation of the utility model are not formed for explaining the utility model to the utility model
Improper restriction.In the accompanying drawings：
Fig. 1 is one of structure diagram of the utility model；
Fig. 2 is the decomposition diagram of the utility model；
Fig. 3 is the second structural representation of the utility model；
Fig. 4 is the sectional view of B-B in Fig. 3；
Fig. 5 is the sectional arrangement drawing of two bearings and spacer ring in the utility model.
Specific embodiment
Some vocabulary has such as been used to censure specific components in specification and claim.Those skilled in the art should
It is understood that hardware manufacturer may call same component with different nouns.This specification and claims are not with name
The difference of title is used as the mode for distinguishing component, but is used as the criterion of differentiation with the difference of component functionally.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer in acceptable error range, those skilled in the art can be described within a certain error range solution
Technical problem basically reaches the technique effect.
In the description of the present invention, it is to be appreciated that term " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instructions such as level " are based on orientation shown in the drawings or position relationship, are for only for ease of description originally
Utility model must have specific orientation with the device or element for simplifying description rather than instruction or hint meaning, with specific
Azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In the utility model unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.
The utility model is described in further detail below in conjunction with attached drawing, but not as the restriction to the utility model.
As shown in Fig. 1 ~ 5, a kind of high-precision bearing mechanism, including bearing block 1 and two bearings 2, two bearings 2 are inlayed side by side
In bearing block 1, spacer ring 3 is provided between two bearings 2, each bearing 2 includes inner ring 21, outer ring 22 and ball body
23, inner ring 21 is slidably matched by ball body 23 and outer ring 22, and spacer ring 3 is in close contact with two inner rings 21.
Preferably, inner ring 21 has inner ring raceway 211, and outer ring 22 has outer ring raceway 221, inner ring raceway 211 and outer ring
Raceway 221 is disposed as " V " shape structure, and ball body 23 fits in the inclined-plane of inner ring raceway 211 and outer ring raceway 221.This reality
It is fitted close respectively with the inner ring of two bearings 2 21 with the two sides of novel spacer ring 3, the empty avoiding outer ring of two bearings 2
22 parts, spacer ring 3 can outward push up the inner ring 21 of two bearings 2 so that the inclined-plane of the inner ring raceway 211 of bearing 2 is more preferable
Be adjacent in ball body 23, meanwhile, ball body 23 is preferably closely attached on the inclined-plane of outer ring raceway 221 again, in the work of 3 power of spacer ring
Under, inner ring 21 and the axial gap of outer ring 22 are reduced, improves the precision of bearing arrangement.
Usually, the thickness of spacer ring 3 is 0.001 ~ 0.01mm, and the thickness of spacer ring 3 is by present embodiment
0.008mm.The size for being spaced ring thickness determines the size of bearing internal external circle axial direction interval, that is to say, that according to client to bearing knot
The demand of structure axial direction interval, can be with the thickness of unrestricted choice spacer ring.
The utility model further includes bearing cap 4, and bearing cap 4 is covered on bearing block 1, and bearing cap 4 closely connects with bearing 2
It touches.
The utility model further includes two oil sealings 5 and two connection rings 6, and one of oil sealing 5 is embedded in bearing block 1, separately
An outer oil sealing 5 is embedded in bearing cap 4, and two connection rings 6 are embedded in respectively in two oil sealings 5, and connection ring 6 can pass through leading screw
Locking nut is fixed together bearing block 1 with leading screw.
It should be noted that：The utility model is incorporated spacer ring among two bearings, and it is straight to change traditional two bearings
The form of cooperation is connect, reduces the inherent axial gap of bearing, reduces the movement sound of bearing, so as to reduce friction to axis
The damage held increases the service life of bearing, improves bearing arrangement precision in use.
Several preferred embodiments of the utility model have shown and described in above description, but as previously described, it should be understood that
The utility model is not limited to form disclosed herein, is not to be taken as the exclusion to other embodiment, and can be used for
Other combinations, modifications, and environments, and above-mentioned introduction or correlation can be passed through within the scope of the inventive concept described herein
The technology or knowledge in field are modified.And changes and modifications made by those skilled in the art do not depart from the spirit of the utility model
And range, then it all should be in the protection domain of the appended claims for the utility model.
Claims (6)
1. a kind of high-precision bearing mechanism, it is characterised in that：Including bearing block and two bearings, two bearings are inlayed side by side
In in the bearing block, spacer ring is provided between two bearings, each bearing includes inner ring, outer ring and ball
Body, the inner ring are slidably matched by the ball body and the outer ring, and the spacer ring and two inner rings are in close contact.
2. high-precision bearing mechanism according to claim 1, it is characterised in that：The thickness of the spacer ring for 0.001 ~
0.01mm。
3. high-precision bearing mechanism according to claim 2, it is characterised in that：The thickness of the spacer ring is 0.008mm.
4. high-precision bearing mechanism according to claim 1, it is characterised in that：The inner ring has inner ring raceway, described
Outer ring has outer ring raceway, and the inner ring raceway and the outer ring raceway are disposed as " V " shape structure, and the ball body is bonded
In the inner ring raceway and the inclined-plane of the outer ring raceway.
5. high-precision bearing mechanism according to claim 1, it is characterised in that：Further include bearing cap, the bearing cap lid
Set on the bearing block, and the bearing cap is in close contact with the bearing.
6. high-precision bearing mechanism according to claim 5, it is characterised in that：Further include two oil sealings and two connections
Ring, one of them described oil sealing are embedded in the bearing block, another described oil sealing is embedded in the bearing cap, described in two
Connection ring is embedded in respectively in two oil sealings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721013185.5U CN207526890U (en) | 2017-08-14 | 2017-08-14 | A kind of high-precision bearing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721013185.5U CN207526890U (en) | 2017-08-14 | 2017-08-14 | A kind of high-precision bearing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207526890U true CN207526890U (en) | 2018-06-22 |
Family
ID=62575767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721013185.5U Active CN207526890U (en) | 2017-08-14 | 2017-08-14 | A kind of high-precision bearing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207526890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289031A (en) * | 2017-08-14 | 2017-10-24 | 广东鼎泰机器人科技有限公司 | A kind of high-precision bearing mechanism |
-
2017
- 2017-08-14 CN CN201721013185.5U patent/CN207526890U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289031A (en) * | 2017-08-14 | 2017-10-24 | 广东鼎泰机器人科技有限公司 | A kind of high-precision bearing mechanism |
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