CN206268296U - A kind of bearing location structure and bearing - Google Patents
A kind of bearing location structure and bearing Download PDFInfo
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- CN206268296U CN206268296U CN201621314723.XU CN201621314723U CN206268296U CN 206268296 U CN206268296 U CN 206268296U CN 201621314723 U CN201621314723 U CN 201621314723U CN 206268296 U CN206268296 U CN 206268296U
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- bearing
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- claw
- limiting section
- location structure
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Abstract
The utility model discloses a kind of bearing location structure and bearing, belong to positioner technical field.The bearing location structure that the utility model is related to includes end cap, claw, lug boss and step, end cap inner surface setting has the cavity for accommodating bearing, claw is arranged on the bottom of cavity, lug boss includes the first limiting section connected vertically and the second limiting section, first limiting section is contacted with cavity inner wall, second limiting section is contacted with end cap inner surface, claw and lug boss are symmetrical arranged on cavity axial line, step is located at cavity bottom by the noncontact of the first limiting section and cavity towards extending in cavity, the structure not only reduces the quantity of bearing setting element, also improve the installation effectiveness of bearing, realize bearing axial direction, quick positioning radially and circumferentially；The bearing used cooperatively with bearing detent mechanism that the utility model is related to has the advantages that simple structure and can quickly be positioned in cavity.
Description
Technical field
The utility model is related to positioner technical field, more particularly to a kind of bearing location structure and bearing.
Background technology
Bearing is, for supporting mechanical rotary body, to reduce the coefficient of friction in its rotary course and protect in contemporary plant equipment
Demonstrate,prove a kind of important fundamental parts of rotating accuracy, the rotary part that the precision of bearing, performance, life and reliability are carried to it
Conclusive effect is played, bearing is divided into rolling bearing and sliding bearing, extensive use according to motor element frictional property difference
In industries such as automobile, universal machine, household electrical appliance, toys.With the high speed development of high molecular synthetic material technology, the material of bearing
Material is also not only limited to metal, the plastic bearing as main material with polyformaldehyde (POM) etc. is occurred in that, compared to based on alloy
Wanting the conventional metals bearing of material, plastic bearing has the advantages that lightweight, intensity is big and is easy to injection moulding.
In order to realize the purpose of bearings machinery rotary body high speed rotation, it is necessary to carry out axial direction, radial direction and week to bearing
Upward fixation, makes the outer ring of bearing keep geo-stationary.It is as shown in Figure 1 a kind of traditional bearing detent mechanism, it includes
End cap, back-up ring and bolt, are provided with the mounting hole for installing bearing on end cap, bearing are placed in mounting hole, then back-up ring is put
In in mounting hole, back-up ring is fixed with bolt, it is achieved thereby that the positioning of bearing, it is more complicated to plant detent mechanism structure,
The additional components of needs are relatively more.In the prior art in order to simplify setting element, back-up ring and bolt are saved, generally by bearing outer ring
With end cap interference fit, but when bearing damage needs to change, this mode is unfavorable for dismounting, and because plastic bearing is relative
It is smaller in metal bearing rigidity, stress deformation is easily produced, this interference fit can influence the normal work of plastic bearing,
And requirement higher is proposed to assembly technology.
Utility model content
The purpose of this utility model is to provide a kind of simple structure, and bulk strength is high, and can quickly position bearing
Bearing location structure.
It is that, up to this purpose, the utility model uses following technical scheme：
A kind of bearing location structure, including：
End cap, is provided with the cavity for accommodating bearing on the end cap inner surface；
Claw, one end of the claw is connected with the bottom of the cavity；
Lug boss, including the first limiting section connected vertically and the second limiting section, first limiting section and the cavity
Inwall is contacted, and second limiting section is contacted with the end cap inner surface, and the claw and the lug boss are on the cavity
Axial line is symmetrical arranged；
Step, the step is located at the cavity bottom, by the noncontact of first limiting section and the cavity towards institute
State in cavity and extend.
Preferably, the number of the claw is three, rounded array is arranged on the bottom of the cavity.
Preferably, the claw outer surface is arc surface, three outer surfaces of the claw constitute one with the cavity
First cylindrical chamber of coaxial inner conductor.
Preferably, external diameter of the internal diameter of first cylindrical chamber more than the bearing.
Preferably, the number of the lug boss is three, each boss is between two claws.
Preferably, the bottom surface of first limiting section contacts with the bottom surface of the cavity, first limiting section and institute
The noncontact face of cavity inner wall is stated for arcwall face, three arcwall faces constitute second cylindricality of one and the cavity coaxial inner conductor
Cavity.
Preferably, the upper surface of the step is more than the axle to the claw with the distance of the card access surface of the bearing
The axial height for holding.
Preferably, the end cap, the claw, the lug boss and the step use high molecular polymer system
Into.
Another purpose of the present utility model is to provide a kind of bearing used cooperatively with above-mentioned bearing location structure.
It is that, up to this purpose, the utility model uses following technical scheme：
A kind of bearing, including bearing outer ring, at least one is provided with the bearing outer ring is used for and the claw clamping
Access Division.
Preferably, the Access Division is included along two axial arranged card adapter plates of bearing outer ring, two card adapter plates
The distance between more than the claw width.
The beneficial effects of the utility model：
Bearing detent mechanism provided by the utility model includes end cap, claw, lug boss and step, and end cap inner surface sets
The cavity for accommodating bearing is equipped with, claw is arranged on the bottom of cavity, and lug boss includes the first limiting section connected vertically and second
Limiting section, the first limiting section is contacted with cavity inner wall, and the second limiting section is contacted with end cap inner surface, and claw and lug boss are on chamber
Body axial line is symmetrical arranged, and step is located at cavity bottom by the noncontact of the first limiting section and cavity towards extension in cavity, should
Detent mechanism can not only save back-up ring of the prior art and bolt, reduce the quantity of bearing setting element, also help and carry
The installation effectiveness of bearing high, realize bearing axially, the purpose of radially and circumferentially quick positioning, and due to can be by injection molding
Method one-shot forming, effectively raise processing efficiency, reduce processing cost, improve bulk strength.Positioned with bearing
The bearing arrangement that mechanism uses cooperatively is simple and can quickly be positioned in cavity.
Brief description of the drawings
Fig. 1 is a kind of bearing location structure of the prior art；
Fig. 2 is the installation diagram of bearing location structure of the present utility model and bearing；
Fig. 3 is the structural representation of bearing location structure of the present utility model；
Fig. 4 is the structural representation of bearing of the present utility model；
Fig. 5 is scheme of installation of the bearing of the present utility model in bearing location structure.
In Fig. 1：1 ', end cap；2 ', bearing；3 ', back-up ring；4 ', bolt；
In Fig. 2 to 5：1st, end cap；11st, claw；12nd, lug boss；13rd, step；2nd, bearing；21st, Access Division.
Specific embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by specific embodiment.
Embodiment one
As shown in Fig. 2 to 5, a kind of bearing location structure in the present embodiment includes end cap 1, is set on the inner surface of end cap 1
There is the cavity for accommodating bearing, the mounting hole for being installed to end cap 1 on body is symmetrically arranged with the side long of end cap 1, end cap 1
The number of size and mounting hole determines that in the present embodiment, the number of mounting hole is preferably six according to the concrete condition of body；
The shape of cavity can be cylindrical or square, and preferably cylindrical, the depth of circular cylindrical cavity is axially high more than bearing
Degree, the diameter with diameter greater than bearing outer ring of circular cylindrical cavity is provided with claw 11, the one end of claw 11 and chamber in the bottom of cavity
Body bottom connects, and claw 11 is no more than end cap inner surface away from one end of cavity bottom, and the number of claw 11 can be according to bearing
The size of race diameter determines that in the present embodiment, in order to improve the tightness of bearing installation, the number of claw 11 is preferably 3
It is individual, cavity bottom is evenly distributed in 120 degree, the outer surface of claw 11 for clamping bearing is arc surface, three claws 11
Outer surface constitutes first cylindrical chamber of one and cavity coaxial inner conductor, diameter of first cylindrical chamber more than bearing outer ring.
For in the radially spacing insertion cavity of lug boss 12, claw 11 and lug boss 12 symmetrically to set on cavity axial line
Put, the number of lug boss 12 can equally be set according to the size of bearing outer diameter, in the present embodiment, lug boss 12
Number is similarly three, and each lug boss 12 may be contained between two claws 11, and lug boss 12 includes the connected vertically first limit
Position portion and the second limiting section, it is overall L-shaped, it is integrally formed that (end cap 1 and lug boss 12 are material identical plastics with end cap 1
Part, then can integrated injection molding).The one side of the first limiting section is contacted with cavity inner wall, bottom surface and the end of the second limiting section
The inner surface of lid 1 is contacted, and the side contacted with cavity inner wall on the first limiting section and the bottom surface of the second limiting section constitute lug boss 12
L-shaped inner surface, the bottom surface of the first limiting section contacts with the bottom surface of cavity, and the first limiting section is with the noncontact face of cavity inner wall
Arcwall face, three arcwall faces constitute second cylindrical chamber of one and cavity coaxial inner conductor, the second cylindrical chamber with diameter greater than axle
The diameter of bearing outer-ring.
Step 13 for axially position is located at the bottom of cavity, by the noncontact of the first limiting section and cavity towards cavity
Interior extension, its bearing of trend along cavity radial direction, its extend length on the premise of bearing capacity is met be less than bearing
The difference of outer radii and inner radii, the lower surface of step 13 is contacted with the bottom surface of cavity, the upper surface of step 13 to claw
11 axial heights for being more than bearing with the distance of the card access surface of bearing, the number of step 13 equally can be according to the straight of bearing outer ring
Footpath determines that in the present embodiment, the number of step 13 is similarly three.
End cap 1, claw 11, lug boss 12 and step 13 can be made of high molecular polymer, high molecular polymer tool
There is certain deformability, macromolecular material can select polyformaldehyde, it is big with lightweight, intensity and be easy to injection moulding etc. excellent
Point, and end cap 1, claw 11, lug boss 12 and step 13 can be integrally formed using Shooting Technique, with processing is simple, globality
The advantages of strong and long service life.
Embodiment two
Include bearing outer ring with the bearing 2 that above-mentioned bearing location structure is used cooperatively, be provided with least on the bearing outer ring
One is used for the Access Division 21 with the clamping of above-mentioned claw 11, and Access Division 21 can realize the circumferentially positioned of bearing 2, in the present embodiment
The quantity of middle Access Division 21 can be 1,2 or 3, and preferably 1, Access Division 21 includes axial arranged along bearing outer ring
Two card adapter plates, the axial length of card adapter plate less than or equal to bearing outer ring axial height, for convenience by claw 11
Snap between two card adapter plates, width of the distance between two card adapter plates more than claw.
In the assembling process of bearing 2 and bearing location structure, bearing 2 is pressed into the cavity of the inner surface setting of end cap 1,
Because end cap 1, claw 11, lug boss 12 and step 13 are molded using high molecular polymer, with certain deformation energy
Power, during bearing 2 is pressed into, claw 11 can be expanded outwardly because of stress, treat that bearing 2 is pressed completely into cavity, and bearing 2
When lower surface contacts with step 13, the resilience of claw 11 buckles bearing 2.Now, claw 11 and step 13 are respectively at the two of bearing 2
Individual end face is engaged, and realizes the positioning in the axial direction of bearing 2.The edge cambered surface of lug boss 12 is engaged with the external diameter of bearing 2, real
The radial positioning of bearing 2 is showed.The inner side of Access Division 21 coordinates with the inner side cambered surface of claw 11, it is achieved thereby that the week of bearing 2
To positioning.The bearing location structure can not only save back-up ring of the prior art and bolt, reduce the number of bearing setting element
Amount, also advantageously improves the installation effectiveness of bearing, realize bearing axially, the purpose of radially and circumferentially quick positioning, and due to can
By the method one-shot forming of injection molding, to effectively raise process velocity, processing cost and bulk strength.
Obviously, above-described embodiment of the present utility model is used for the purpose of clearly explanation the utility model example, and
It is not the restriction to implementation method of the present utility model.For those of ordinary skill in the field, in described above
On the basis of can also make other changes in different forms.There is no need and unable to give all of implementation method
It is exhaustive.All any modification, equivalent and improvement made within spirit of the present utility model and principle etc., should be included in
Within the utility model scope of the claims.
Claims (10)
1. a kind of bearing location structure, it is characterised in that including：
End cap, is provided with the cavity for accommodating bearing on the end cap inner surface；
Claw, one end of the claw is connected with the bottom of the cavity；
Lug boss, including the first limiting section connected vertically and the second limiting section, first limiting section and the cavity inner wall
Contact, second limiting section is contacted with the end cap inner surface, and the claw and the lug boss are on the cavity axle center
Line is symmetrical arranged；
Step, the step is located at the cavity bottom, by the noncontact of first limiting section and the cavity towards the chamber
Extend in vivo.
2. bearing location structure according to claim 1, it is characterised in that the number of the claw is three, rounded
Array is arranged on the bottom of the cavity.
3. bearing location structure according to claim 2, it is characterised in that the claw outer surface is arc surface, three
The outer surface of the claw constitutes first cylindrical chamber of one and the cavity coaxial inner conductor.
4. bearing location structure according to claim 3, it is characterised in that the internal diameter of first cylindrical chamber is more than institute
State the external diameter of bearing.
5. bearing location structure according to claim 4, it is characterised in that the number of the lug boss is three, each
The boss is between two claws.
6. bearing location structure according to claim 5, it is characterised in that the bottom surface of first limiting section and the chamber
The bottom surface contact of body, first limiting section is arcwall face, three arcwall face structures with the noncontact face of the cavity inner wall
Second cylindrical chamber of cavity coaxial inner conductor described in Cheng Yiyu.
7. bearing location structure according to claim 6, it is characterised in that the upper surface of the step to the claw with
Axial height of the distance of the card access surface of the bearing more than the bearing.
8. bearing location structure according to claim 1, it is characterised in that the end cap, the claw, the lug boss
It is made of high molecular polymer with the step.
9. the bearing that a kind of bearing location structure with any one of claim 1 to 8 is used cooperatively, including outside bearing
Circle, it is characterised in that at least one is provided with the bearing outer ring for the Access Division with the claw clamping.
10. bearing according to claim 9, it is characterised in that the Access Division includes axial arranged along bearing outer ring
The width of the distance between two card adapter plates, two described card adapter plates more than the claw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621314723.XU CN206268296U (en) | 2016-12-01 | 2016-12-01 | A kind of bearing location structure and bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621314723.XU CN206268296U (en) | 2016-12-01 | 2016-12-01 | A kind of bearing location structure and bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206268296U true CN206268296U (en) | 2017-06-20 |
Family
ID=59043210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621314723.XU Active CN206268296U (en) | 2016-12-01 | 2016-12-01 | A kind of bearing location structure and bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206268296U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110549274A (en) * | 2019-09-29 | 2019-12-10 | 哈尔滨飞机工业集团有限责任公司 | Helicopter rotating disc bearing and fixing disc mounting and positioning tool and mounting method |
| CN112519510A (en) * | 2021-01-11 | 2021-03-19 | 镁成(天津)科技发展有限公司 | Electric motor car die-casting wheel hub of embedded bush |
-
2016
- 2016-12-01 CN CN201621314723.XU patent/CN206268296U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110549274A (en) * | 2019-09-29 | 2019-12-10 | 哈尔滨飞机工业集团有限责任公司 | Helicopter rotating disc bearing and fixing disc mounting and positioning tool and mounting method |
| CN110549274B (en) * | 2019-09-29 | 2021-06-01 | 哈尔滨飞机工业集团有限责任公司 | Helicopter rotating disc bearing and fixing disc mounting and positioning tool and mounting method |
| CN112519510A (en) * | 2021-01-11 | 2021-03-19 | 镁成(天津)科技发展有限公司 | Electric motor car die-casting wheel hub of embedded bush |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" | ||
| CP03 | "change of name, title or address" |
Address after: 4 / F, building 1, No.14 Jiuxianqiao Road, Chaoyang District, Beijing 100020 Patentee after: Beijing Jingwei Hengrun Technology Co., Ltd Address before: 100101 Beijing city Chaoyang District Anxiang Beili 11 B block 8 layer of Beijing Jingwei Hengrun Technology Co. Ltd. Patentee before: Beijing Jingwei HiRain Technologies Co.,Ltd. |