CN206754162U - Ball bearing - Google Patents
Ball bearing Download PDFInfo
- Publication number
- CN206754162U CN206754162U CN201720340995.5U CN201720340995U CN206754162U CN 206754162 U CN206754162 U CN 206754162U CN 201720340995 U CN201720340995 U CN 201720340995U CN 206754162 U CN206754162 U CN 206754162U
- Authority
- CN
- China
- Prior art keywords
- ball
- retainer
- bearing
- ring
- guide groove
- 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
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a kind of ball bearing, solves ball and is rubbed during rotation between meeting and retainer, the operation of ball in bearing can be influenceed when rubbing excessive, influences the stability of bearing, and its drip irrigation device is：Including bearing outer ring, bearing inner race, the retainer being arranged between bearing outer ring and bearing inner race and some balls being arranged on retainer, the retainer includes some locating rings being adapted with ball and the connection ring being arranged between locating ring, the end face of the locating ring towards ball is further opened with being oriented to the guide groove of ball rotation, face between ball and retainer is contacted and becomes a little to contact, so as to reduce the friction between ball and retainer.
Description
Technical field
It the utility model is related to bearing part, more particularly to ball bearing.
Background technology
Bearing is indispensable part in machine driving, and regular situation lower bearing inner ring coordinates with Axial and radial and axially determined
Position, outer ring and bearing block radial fit, outer ring axial location are positioned by being located at the gland on the outside of bearing block with bolt presses.
Ball bearing is one kind of rolling bearing, and spherical alloy steel ball is arranged on to the centre of interior steel ring and outer rim, with
Roll mode come reduce the frictional force in power transmission process and improve machine power transmission efficiency.
A kind of double layers of rolling balls bearing as disclosed in the patent that application publication number is CN102003460A, including double-deck snare,
Retainer and ball；The bearing has the coaxial double-layer snare being set with inside and outside one；Retainer is separately installed with the double-deck snare
And ball is equidistantly distributed.
By the design of retainer, enable the rotation between bearing outer ring and bearing inner race and public affairs that ball is stablized
Turn, but because retainer abuts with the outer surface of ball, ball rubs during rotation between meeting and retainer, rubs
The operation of ball in bearing can be influenceed when nuzzling up big, influences the stability of bearing.
Utility model content
The purpose of this utility model is to provide a kind of ball bearing, reduces the friction between retainer and ball.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of ball bearing, including bearing outer ring, bearing inner race, the holding being arranged between bearing outer ring and bearing inner race
Frame and some balls being arranged on retainer, the retainer include some locating rings and the setting being adapted with ball
Connection ring between locating ring, the end face of the locating ring towards ball are further opened with being oriented to the guide groove of ball rotation.
By using above-mentioned technical proposal, the design of guide groove can reduce the contact surface between ball and the inwall of retainer
Product, the face between ball and retainer is contacted and becomes a little to contact, so as to reduce the friction between ball and retainer, by subtracting
The frictional force of few retainer and ball, avoid the excessive spinning motion for hindering ball of frictional force；Meanwhile guide groove can also be played and led
To ball rotation angle, the fit precision of raising ball and retainer, the stability of raising ball rotation.
Preferably, the guide groove includes the first guide groove and is connected to the second guiding of the first guide groove both sides
Groove, the diameter of first guide groove are less than the second guide groove.
By using above-mentioned technical proposal, the second guide groove is designed to further reduce between ball and retainer
Contact popularization, and can further be improved as the anchor point of ball using the junction of the first guide groove and the second guide groove
The kinematic accuracy of ball.
Preferably, being provided with two location divisions in the connection ring, offered between two location divisions for fastener
The positioning hole worn.
By using above-mentioned technical proposal, the installation for being designed to be easy to connection ring of location division positions, and improves assembling essence
Degree.
Preferably, the retainer includes enclosing the first retainer and the second retainer to form locating ring, it is described fixed
Position portion includes the locating dowel being arranged on the first retainer and is arranged on the positioning chamber worn on the second retainer for locating dowel.
By using above-mentioned technical proposal, locating rack and locating dowel are designed to make location division to realize the ring that is located by connecting
Effect.
Preferably, the inner surface setting of the bearing outer ring has the first installation portion, the outer surface of the bearing inner race is set
It is equipped with the second installation portion coordinated with the first installation portion for ball installation.
By using above-mentioned technical proposal, the installation for being designed to be easy to ball of the first installation portion and the second installation portion,
Ball is rolled in the first installation portion and the second installation portion, further avoid ball from deviating from bearing.
Preferably, the both sides of first installation portion are provided with the first sealing, the both sides of second installation portion
It is provided with to coordinate with the first installation portion and does not have dress portion for the second of sealing ring installation.
By using above-mentioned technical proposal, the design of the first sealing and the second sealing can be such that sealing ring connects securely
It is connected on bearing, sealing ring will not be deviate from from bearing or occur space between bearing, ensure that the sealing of bearing, can
To reduce the external particles such as sand and dust into the precision of influence bearing in bearing, ensure that there is high performance feature during bearing running.
Preferably, the first of the restricted sealing ring abjection bearing outer ring of the outside setting of first installation portion is spacing
Portion, the outside of second installation portion set the second limiting section of restricted sealing ring abjection bearing inner race.
By using above-mentioned technical proposal, the design of the first limiting section and the second limiting section further increase sealing ring with
The firmness of bearing connection, the sealing of bearing is improved, precision during bearing running is strengthened, when improving bearing working
Stability, ensure bearing running when there is better performance.
In summary, the utility model has the advantages that：
The ball bearing is reduced between ball and the inwall of retainer by the design of the first guide groove and the second guide groove
Contact area, reduce the friction between ball and retainer, avoid the excessive spinning motion for hindering ball of frictional force；Pass through
One sealing, the second sealing and the design of the first limiting section and the second limiting section improve sealing ring be connected with bearing it is firm
Degree, the sealing of bearing and sealing ring is improved, strengthen precision during bearing running, improve stabilization during bearing working
Property, ensure that there is better performance during bearing running.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of ball bearing；
Fig. 2 is the profile that bearing outer ring coordinates with bearing inner race；
Fig. 3 is the blast diagrammatic cross-section of retainer；
Fig. 4 is the structural representation of locating ring；
Fig. 5 is a kind of cross-sectional view of ball bearing.
In figure, 1, bearing outer ring；11st, the first installation portion；12nd, the first sealing；13rd, the first limiting section；2nd, bearing inner race；
21st, the second installation portion；22nd, the second sealing；23rd, the second limiting section；3rd, ball；4th, retainer；41st, the first retainer；42nd,
Two retainers；43rd, connection ring；431st, location division；432nd, locating dowel；433rd, positioning chamber；434th, positioning hole；44th, locating ring；441、
Guide groove；442nd, the first guide groove；443rd, the second guide groove；5th, sealing ring.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1 and Fig. 2, a kind of ball bearing, including bearing outer ring 1 and bearing inner race 2.The inner ring court of bearing outer ring 1
To bearing inner race 2, and its middle part offers the first installation portion 11, the circle of the direction of 11 reverse bearing inner ring of the first installation portion 2 depression
Arc；The outer shroud of bearing inner race 2 is towards bearing outer ring 1, and its middle part offers and coordinates the second installation portion with the first installation portion 11
21, the second installation portion 21 is the circular arc of the direction of reverse bearing outer ring 1 depression, and the first installation portion 11 and the second installation portion 21
The section center of circle overlaps.
Referring to Fig. 2 and Fig. 3, surface is provided between bearing outer ring 1 and bearing inner race 2 and is connected to the first installation portion 11 and
Some balls 3 between two installation portions 21, the centre of sphere of ball 3 and the section center of circle of the first installation portion 11 and the second installation portion 21 weight
Close.Isolated between adjacent ball 3 by retainer 4.Retainer 4 includes the first retainer 41 for being separately positioned on the both sides of ball 3
With the second retainer 42, connected between the first retainer 41 and the second retainer 42 by some connection rings 43, in connection ring 43
Two location divisions 431 are provided with, location division 431 includes the locating dowel 432 being arranged on the first retainer 41 and is arranged on the second guarantor
The positioning chamber 433 worn on frame 42 for locating dowel 432 is held, positioning hole 434 is offered between two location divisions 431.Pass through fastener
Positioning hole 434 is worn to connect the first retainer 41 and the second retainer 42.
Referring to Fig. 3 and Fig. 4, formed with the locating ring 44 for the location and installation of ball 3, locating ring 44 between adjacent connection ring 43
The guide groove 441 of the guiding rotation of ball 3 is offered towards the end face of ball 3.Guide groove 441 leans on including being arranged on locating ring 44
First guide groove 442 of two sides of nearly connection ring 43 and the second guide groove 443 for being arranged on the both sides of the first guide groove 442.The
One guide groove 442 is recessed to the side away from ball 3, and the diameter of the first guide groove 442 is less than the diameter of ball 3, and second
Guide groove 443 is parallel with the first guide groove 442, and its diameter is less than the diameter of ball 3 and is more than the straight of the first guide groove 442
Footpath.
Referring to Fig. 2 and Fig. 5, the both sides that bearing outer ring 1 is located at the first installation portion 11 are provided with the first sealing 12, bearing
The both sides that inner ring 2 is located at the second installation portion 21 are provided with the second sealing 22 coordinated with the first sealing 12, the first sealing
The sealing 22 of portion 12 and second is the groove installed for sealing ring 5, and the notch of two grooves is relative.First sealing 12 is remote
The side of first installation portion 11 is additionally provided with the first limiting section 13, equally, the second sealing 22 away from the second installation portion 21 one
Side is provided with the second limiting section 23；First limiting section 13 and the second limiting section 23 are that limitation sealing ring 5 seals from bearing first
The limited post that the sealing 22 of portion 12 or second is deviate from.
The bearing in the process of running, in the presence of guide groove 441, can reduce rubbing between ball 3 and retainer 4
Wipe power.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (7)
1. a kind of ball bearing, including bearing outer ring (1), bearing inner race (2), it is arranged on bearing outer ring (1) and bearing inner race (2)
Between retainer (4) and some balls (3) for being arranged on retainer (4), it is characterised in that retainer (4) bag
Some locating rings (44) being adapted with ball (3) and the connection ring (43) being arranged between locating ring (44) are included, it is described fixed
Position ring (44) is further opened with being oriented to the guide groove (441) of ball (3) rotation towards the end face of ball (3).
2. ball bearing according to claim 1, it is characterised in that the guide groove (441) includes the first guide groove
(442) second guide groove (443) of the first guide groove (442) both sides, the diameter of first guide groove (442) are connected to and
Less than the second guide groove (443).
3. ball bearing according to claim 1, it is characterised in that be provided with two location divisions on the connection ring (43)
(431), the positioning hole (434) worn for fastener is offered between two location divisions (431).
4. ball bearing according to claim 3, it is characterised in that the retainer (4) includes enclosing to form locating ring
(44) the first retainer (41) and the second retainer (42), the location division (431) include being arranged on the first retainer (41)
On locating dowel (432) and be arranged on the positioning chamber (433) worn on the second retainer (42) for locating dowel (432).
5. ball bearing according to claim 1, it is characterised in that the inner surface setting of the bearing outer ring (1) has
One installation portion (11), the outer surface of the bearing inner race (2) is provided with to be coordinated for ball (3) installation with the first installation portion (11)
Second installation portion (21).
6. ball bearing according to claim 5, it is characterised in that the both sides of first installation portion (11) are provided with
First sealing (12), the both sides of second installation portion (21), which are provided with to coordinate with the first installation portion (11), supplies sealing ring
(5) the second sealing (22) of installation.
7. ball bearing according to claim 6, it is characterised in that the outside of first installation portion (11) sets limited
The first limiting section (13) of sealing ring (5) abjection bearing outer ring (1) processed, the outside setting of second installation portion (21) are restricted
The second limiting section (23) of sealing ring (5) abjection bearing inner race (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720340995.5U CN206754162U (en) | 2017-04-01 | 2017-04-01 | Ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720340995.5U CN206754162U (en) | 2017-04-01 | 2017-04-01 | Ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206754162U true CN206754162U (en) | 2017-12-15 |
Family
ID=60612022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720340995.5U Expired - Fee Related CN206754162U (en) | 2017-04-01 | 2017-04-01 | Ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206754162U (en) |
-
2017
- 2017-04-01 CN CN201720340995.5U patent/CN206754162U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20190401 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |