CN204061580U - Bearing means - Google Patents
Bearing means Download PDFInfo
- Publication number
- CN204061580U CN204061580U CN201420245838.2U CN201420245838U CN204061580U CN 204061580 U CN204061580 U CN 204061580U CN 201420245838 U CN201420245838 U CN 201420245838U CN 204061580 U CN204061580 U CN 204061580U
- Authority
- CN
- China
- Prior art keywords
- locking
- outer ring
- fixed plate
- layer difference
- bearing means
- 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 - Lifetime
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 29
- 238000005096 rolling process Methods 0.000 claims description 23
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000003321 amplification Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Mounting Of Bearings Or Others (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to bearing means, and relates to and being entrenched in the path layer difference portion of outer ring by fixed plate by locking pawl, and bearing is fixed on the bearing means on housing by this fixed plate.Consist of, gap between the peripheral part and the inner peripheral portion of housing of outer ring is A, gap between locking groove and locking pawl is B, when gap between the inner peripheral portion of the fixed plate in the non-locking region beyond locking pawl and the locking locking region of locking groove and the peripheral part in path layer difference portion is C, meet the relation of A < B or C < B.According to this formation, provide and locking pawl can be suppressed to contact and the bearing means of breakage with locking groove.
Description
Technical field
The utility model relates to the bearing means used in the rotation supporting portion of solid of rotation.
Background technique
Miniaturization with automobile also requires the miniaturization of gearbox, as the structure making rotation supporting portion miniaturization, following bearing means is described in patent documentation 1, it uses locking pawl to be embedded in by fixed plate in the path layer difference portion on the axial end portion of the outer circumferential face being located at outer ring, and is fixed on housing by bearing by this fixed plate.
But, in above-mentioned bearing means, the displacement when effect do not considered on rolling bearing has a load, distortion and conveying time the possibility of breakage of locking pawl.
Patent documentation 1: No. 2009-036319, Japanese Laid-Open Patent Publication
Model utility content
In order to solve above-mentioned problem, first method of the present utility model provides a kind of bearing means, and it has: the rolling bearing being equipped with multiple rolling element between inner ring and outer ring; With in order to rolling bearing being fixed on fixed plate housing is entrenched in path layer difference portion, this path layer difference portion is located on the end peripheral part of the axis of outer ring, and it is characterized in that, this bearing means has: be located at the locking groove on the peripheral part in path layer difference portion; Be located at multiple position circumferentially of inner peripheral portion of fixed plate in the mode outstanding to radially inner side and the locking pawl locking with locking groove, gap between the peripheral part and the inner peripheral portion of housing of outer ring is A, gap between locking groove and locking pawl is B, when gap between the inner peripheral portion of the fixed plate in the non-locking region beyond locking pawl and the locking locking region of locking groove and the peripheral part in path layer difference portion is C, meet the relation of A < B or C < B.
The bearing means of second method of the present utility model, in above-mentioned first method, is characterized in that, meets the relation of A < C < B.
The bearing means of the Third Way of present embodiment, in above-mentioned first or second method, is characterized in that, the corner portion formed in end face and the locking groove by path layer difference portion is formed with layer difference portion.
According to bearing means of the present utility model, gap B is larger than gap A, and therefore, on rolling bearing, effect has a load, outer ring and housing can take the lead in contacting, and can prevent locking pawl from contacting with locking groove and damaged.In addition, clearance C is larger than gap A, and therefore, outer ring is bearing on the large housing of area of contact, effectively can suppress the distortion of outer ring.In addition, gap B is larger than clearance C, therefore, it is possible to prevent the locking pawl when carrying damaged and make fixed plate be separated with rolling bearing, thus the situation causing assembling performance to worsen.
Accompanying drawing explanation
Fig. 1 is the partial sectional view of the bearing means of mode of execution.
Fig. 2 is the plan view of the bearing means of mode of execution.
Fig. 3 is the stereogram of the bearing means of the mode of execution observed from back side.
Fig. 4 (a) is the amplification view in the locking region of mode of execution, and Fig. 4 (b) is the amplification view in the non-locking region of mode of execution.
Fig. 5 (a) acts on the explanatory drawing having the front and back of load to compare on rolling bearing in the locking region to mode of execution, Fig. 5 (b) acts on the explanatory drawing having the front and back of load to compare on rolling bearing in the non-locking region to mode of execution.
Fig. 6 (a) is the amplification view in the locking region of variation, and Fig. 6 (b) is the amplification view in the non-locking region of variation.
Embodiment
As shown in Figure 1, the bearing means 10 of present embodiment has: rolling bearing 11; With in order to rolling bearing 11 being fixed on the fixed plate 12 that housing 30 is entrenched on the peripheral part of rolling bearing 11.
Rolling bearing 11 has: the outer ring 13 on inner peripheral surface with outer ring raceway face 13a; Outer circumferential face has the inner ring 14 of inner ring raceway face 14a; Rollably can be disposed in the multiple rolling elements 15 between inner ring raceway face 14a and outer ring raceway face 13a; The retainer 16 that rolling element 15 is along the circumferential direction kept at substantially equal intervals; By sealed member 17 that bearing space seals on the axial two end part being arranged on outer ring 13 respectively.On the end peripheral part of the axis in outer ring 13, be formed for the chimeric path layer difference portion 18 of fixed plate 12, outer circumferential face in path layer difference portion 18 on the position of axial inner side, be circumferentially all-roundly formed with the end face 18a continuous print locking groove 19 with path layer difference portion 18.
As shown in FIG. 2 and 3, the profile of fixed plate 12 is the flange shape of general triangular, is formed with the inserting hole 20 of bolt in the side, 3 summits of triangle.Fixed plate 12 is fixed on housing 30 by the not shown bolt interted in inserting hole 20.
As shown in Fig. 2 and Fig. 4 (a), Fig. 4 (b), on the inner peripheral portion 12a of fixed plate 12, be formed with the locking pawl 21 locking with the locking groove 19 of outer ring 13 highlightedly to radially inner side.Locking pawl 21 is along the circumferential direction to be formed in roughly at equal intervals on 3 positions.In addition, on the inner peripheral portion 12a of fixed plate 12, the corner portion of side is formed with incised notch 12b in all-round scope overleaf.
Then, an example of the assembling method of bearing means 10 is described with reference to Fig. 4 (a), Fig. 4 (b).After in the path layer difference portion 18 fixed plate 12 being entrenched in outer ring 13,3 positions of the circumferencial direction of the inner peripheral portion periphery of fixed plate 12 are clamped between punch assembly P and end face 18a.And, punch assembly P is pushed vertically to end face 18a side.By this pushing, the wall portion near the end 12c at circumferentially 3 of the inner peripheral portion 12a periphery of fixed plate 12 positions is made to bloat (plastic deformation) to radially inner side and form locking pawl 21.By making locking pawl 21 and locking groove 19 locking, and the outer ring 13 of rolling bearing 11 is combined with fixed plate 12, thus is assembled into bearing means 10.In addition, in the circumferential, region (with reference to Fig. 4 (a)) locking to locking pawl 21 and locking groove 19 is called locking region, the region (with reference to Fig. 4 (b)) beyond locking region is called non-locking region.
Bearing means 10 is configured to, gap between the peripheral part 13b and the inner peripheral portion 30a of housing 30 of outer ring 13 is A, gap between locking groove 19 and locking pawl 21 is B, when gap between the inner peripheral portion 12a of the fixed plate 12 in non-locking region and the peripheral part 18b in path layer difference portion 18 is C, meet A < B, or the relation of C < B.
When A < B, if effect has load and makes outer ring 13 radially be subjected to displacement on rolling bearing 11, then before locking groove 19 contacts with locking pawl 21, outer ring 13 can contact with housing 30 (with reference to Fig. 5 (a)).Therefore, it is possible to prevent locking pawl 21 from contacting with locking groove 19 and damaged.
Similarly, when C < B, if effect has load and makes outer ring 13 radially displacement on rolling bearing 11, then, before locking groove 19 contacts with locking pawl 21, fixed plate 12 can contact with path layer difference portion 18.Therefore, it is possible to prevent locking pawl 21 from contacting with locking groove 19 and damaged.In addition, before rolling bearing 11 is fixed on housing 30, when carrying out carrying with the state that fixed plate 12 is chimeric with outer ring 13, cause by making C < B that locking pawl 21 also can be prevented damaged the situation that fixed plate 12 is separated with rolling bearing 11.
In addition, by making A < C < B, and on rolling bearing 11, effect has load and outer ring 13 is radially subjected to displacement, outer ring 13 can be bearing in (with reference to Fig. 5 (b)) on the larger housing of area of contact 30, effectively can prevent the distortion of outer ring 13.
In addition, gap A also can be made to be roughly zero, that is, make the chimeric gap between outer ring 13 and housing 30 be roughly zero.In this case, fastening with based on bolt, a part for the outer ring 13 corresponding with bolt position can be out of shape to radially inner side, but the distortion to radial outside in other parts can limit housing 30.Therefore, it is possible to suppress the deterioration of the outer ring roundness caused based on bolton.
In addition, as shown in the variation of Fig. 6 (a), Fig. 6 (b), also can be that the corner portion formed in end face 18a and the locking groove 19 by path layer difference portion 18 is provided with layer difference portion 22.
Claims (3)
1. a bearing means, it has: the rolling bearing being equipped with multiple rolling element between inner ring and outer ring; With in order to described rolling bearing being fixed on fixed plate housing is entrenched in path layer difference portion, this path layer difference portion is located on the end peripheral part of the axis of described outer ring, it is characterized in that,
Described bearing means has: be located at the locking groove on the peripheral part in described path layer difference portion, with be located at multiple position circumferentially of inner peripheral portion of described fixed plate in the mode outstanding to radially inner side and the locking pawl locking with described locking groove, gap between the peripheral part and the inner peripheral portion of described housing of described outer ring is A, gap between described locking groove and described locking pawl is B, when gap between the inner peripheral portion of the described fixed plate in the non-locking region beyond described locking pawl and the locking locking region of described locking groove and the peripheral part in described path layer difference portion is C, meet A < B, or the relation of C < B.
2. bearing means according to claim 1, is characterized in that, meets the relation of A < C < B.
3. bearing means according to claim 1 and 2, is characterized in that, the corner portion formed in end face and the described locking groove by described path layer difference portion is formed with layer difference portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420245838.2U CN204061580U (en) | 2014-05-14 | 2014-05-14 | Bearing means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420245838.2U CN204061580U (en) | 2014-05-14 | 2014-05-14 | Bearing means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204061580U true CN204061580U (en) | 2014-12-31 |
Family
ID=52203102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420245838.2U Expired - Lifetime CN204061580U (en) | 2014-05-14 | 2014-05-14 | Bearing means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204061580U (en) |
-
2014
- 2014-05-14 CN CN201420245838.2U patent/CN204061580U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141231 |
|
| CX01 | Expiry of patent term |