CN102720743B - Elastic retainer ring - Google Patents
Elastic retainer ring Download PDFInfo
- Publication number
- CN102720743B CN102720743B CN201210222999.5A CN201210222999A CN102720743B CN 102720743 B CN102720743 B CN 102720743B CN 201210222999 A CN201210222999 A CN 201210222999A CN 102720743 B CN102720743 B CN 102720743B
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- China
- Prior art keywords
- face
- inner ring
- outer ring
- circlip
- ring
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- 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.)
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- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The invention discloses an elastic retainer ring which comprises a clamping hole and is characterized by further comprising an inner ring which is near the centre of a circle and an outer ring which is far away from the centre of the circle. The thickness of the outer ring is greater than that of the inner ring, and the inner ring is in fixed connection with the outer ring. Due to the arrangement, the elastic retainer ring provided by the invention can avoid jumping out of a retainer ring groove.
Description
Technical field
The present invention relates to the fastener areas of mechanical parts, particularly relate to a kind of circlip.
Background technique
In lathe and various machinery, conventional circlip fixes the part on axle, as bearing, gear etc.
Circlip, is installed in circular hole, and as the axial motion of securing part, the external diameter of this kind of back-up ring is slightly larger than component location guide bore dia.Palpus Circlip tongs during installation, inserts in the pincers hole of back-up ring by jaw, clamping back-up ring, just can put into pre-processed circular hole inside groove.
Because back-up ring radial direction flicks, excircle part enters in circlip groove, and inner circular part divides to be stayed outside circlip groove, effectively can limit the axle axial float in this hole coordinated with this hole, play axial limiting effect.
In current actual application, because limited parts are in hole, the motions such as rotation or radial direction reduce may be had, cause back-up ring in use to be jumped out in circlip groove, cause product or failure mechanisms.
Therefore how preventing circlip from jumping out in circlip groove is those skilled in the art's technical issues that need to address.
Summary of the invention
The object of this invention is to provide a kind of circlip, can prevent it from jumping out in circlip groove.
Circlip provided by the present invention, comprises clamping hole, and also comprise near the inner ring in the center of circle and the outer ring away from the center of circle, the thickness of described outer ring is greater than the thickness of described inner ring, and described inner ring is fixedly connected with described outer ring.
Preferably, described inner ring opening end is provided with lug boss near the side in the center of circle, and described clamping hole is arranged at described lug boss.
Preferably, described inner ring and described outer ring comprise and the first end face of axis perpendicular and the second end face, first end face of described inner ring is equal together with the first end face of described outer ring, second end face of described inner ring and the second end face of described outer ring are configured with the step of height difference, and the second end face of described inner ring is lower than the second end face of described outer ring.
Preferably, described inner ring and described outer ring comprise and the first end face of axis perpendicular and the second end face, first end face of described inner ring is equal together with the first end face of described outer ring, and the second end face of described inner ring and the second end face of described outer ring form high inclined-plane, low outside, inner side.
Preferably, described inner ring is also provided with holding projection near the side in the center of circle.
Circlip provided by the present invention, comprises clamping hole, and also comprise near the inner ring in the center of circle and the outer ring away from the center of circle, the thickness of outer ring is greater than the thickness of inner ring, and outer ring is fixedly connected with inner ring.When mounted, special spring forceps or other setting tool is utilized to clamp clamping hole, make the reduced diameter of circlip, load in circlip groove, circlip flicks under elastic force effect, and outer ring holding is in circlip groove, and inner ring stays the outside of circlip groove, with the clamping of limited parts phase, play position-limiting action.Setting like this, the thickness of outer ring is greater than the thickness of inner ring, compared with prior art, because outer ring and inner ring exist thickness difference, when circlip provided by the present invention is loaded in circlip groove, because outer ring is thick, reduce the space between outer ring and circlip groove, utilize the effect of axial force simultaneously, make circlip and limited parts form self-locking mechanism, can effectively limit circlip and reduce ejection, thus can prevent circlip from jumping out from circlip groove.
In the preferred scheme of one, circlip provided by the present invention, inner ring and outer ring comprise and the first end face of axis perpendicular and the second end face, first end face of inner ring is equal together with the first end face of outer ring, second end face of inner ring and the second end face of outer ring form a step, and the second end face of inner ring is lower than the second end face of outer ring.Setting like this, inner ring and outer ring are arranged to the step surface that has height difference, wherein the second end face of inner ring is lower than the second end face of outer ring, so just can ensure that the thickness of outer ring is greater than the thickness of inner ring, resolution first end face and the second end face can be convenient to when assembling simultaneously, can loading error be prevented.
In another kind of preferred version, circlip provided by the present invention, inner ring and outer ring comprise and the first end face of axis perpendicular and the second end face, first end face of inner ring is equal together with the first end face of outer ring, and the second end face of inner ring and the second end face of outer ring form high inclined-plane, low outside, inner side.Setting like this, is arranged to the inclined-plane with height difference by the end face of inner ring and outer ring, can ensure that the thickness of outer ring is greater than the thickness of inner ring, can be convenient to resolution first end face and the second end face simultaneously, can prevent loading error when assembling.
In another kind of preferred version, circlip provided by the present invention, inner ring can also be provided with holding projection near the side in the center of circle.By arranging holding projection, and determining the form of holding projection according to the concrete form of limited parts, the soundness be connected between circlip with limited parts can be ensured.
Accompanying drawing explanation
Fig. 1 is elastic collar structure schematic diagram provided by the present invention;
Fig. 2 is the A-A of circlip shown in Fig. 1 structural representation;
Fig. 3 is structural representation after the amplification of the partial structurtes of circlip shown in Fig. 2;
Wherein, in Fig. 1-Fig. 3:
Outer ring 1, inner ring 2, jut 3, clamping hole 4, step 5, outer diameter D, total thickness L, step width S, shoulder height K.
Embodiment
Core of the present invention is to provide a kind of circlip, can prevent it from jumping out in circlip groove.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1, Fig. 1 is elastic collar structure schematic diagram provided by the present invention, and Fig. 2 is the A-A of circlip shown in Fig. 1 structural representation, and Fig. 3 is structural representation after the amplification of the partial structurtes of circlip shown in Fig. 2.
Circlip provided by the present invention, comprises clamping hole 4, and also comprise near the inner ring 2 in the center of circle and the outer ring 1 away from the center of circle, the thickness of outer ring 1 is greater than the thickness of inner ring 2, and outer ring 1 is fixedly connected with inner ring 2.
The opening end of inner ring 2 corresponding near the side in the center of circle be provided with two juts 3, clamping hole 4 is arranged at jut 3.The opening end lug boss 3 being provided with clamping hole 4 being arranged on inner ring is convenient to setting tool clamping near the side in the center of circle, can so that install.
When mounted, special spring forceps or other setting tool is utilized to clamp clamping hole 4, the outer diameter D of circlip is reduced, load in circlip groove, circlip flicks under elastic force effect, and outer ring 1 holding is in circlip groove, and inner ring 2 stays the outside of circlip groove, with the clamping of limited parts phase, play position-limiting action.
The thickness of outer ring 1 is greater than the thickness of inner ring 2, compared with prior art, because there is thickness difference in outer ring 1 and inner ring 2, when being loaded in circlip groove by circlip provided by the present invention, because outer ring 1 is thick, reduce the space between outer ring 1 and circlip groove, utilize the effect of axial force simultaneously, make circlip and limited parts form self-locking mechanism, can effectively limit circlip and reduce ejection, thus can prevent circlip from jumping out from circlip groove.
It should be noted that, the total thickness L of circlip determines according to concrete circlip groove, can select the circlip matched with circlip groove as required.
In this embodiment, outer ring 1 and inner ring 2 comprise and first end face (not indicating in figure) of axis perpendicular and the second end face (not indicating in figure), first end face (not indicating in figure) of inner ring 2 is mutually concordant with first end face (not indicating in figure) of outer ring 2, second end face (not indicating in figure) of inner ring 2 is lower than second end face (not indicating in figure) of outer ring 1, and both ends of the surface form step 5.
Second end face (not indicating in figure) of inner ring 2 and second end face (not indicating in figure) of outer ring 1 are arranged to the step 5 with height difference, can ensure that the thickness of outer ring 1 is greater than the thickness of inner ring 2, resolution first end face (not indicating in figure) and the second end face (not indicating in figure) can be convenient to when assembling simultaneously, can loading error be prevented.
It should be noted that, the definition again of the first end face (not indicating in figure) and the second end face (not indicating in figure) is carried out just for convenience of description to the end face of outer ring 1 and inner ring 2, instead of refers in particular to.
Also it should be noted that, the size of step width S and shoulder height K determines according to the outer diameter D of circlip and total thickness L.The size of step width S and shoulder height K can be selected according to concrete needs.
Certainly, in order to ensure that outer ring 1 and inner ring 2 exist thickness difference and prevent loading error, can also be mutually concordant with first end face (not indicating in figure) of inner ring 2 by outer ring 1, second end face (not indicating in figure) of inner ring 2 and second end face (not indicating in figure) of outer ring 1 form the high inclined-plane with height difference, low outside, inner side.
It should be noted that, in order to ensure that circlip has good position-limiting action, at inner ring 2, holding projection can also be set near the side in the center of circle.The concrete form of holding projection can be determined according to concrete limited parts.
Above circlip provided by the present invention is described in detail, circlip can be prevented not to be destroyed in structure or under non-artificial constraints, to jump out in circlip groove.
Above circlip provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and mode of execution, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (5)
1. a circlip, comprises clamping hole, it is characterized in that, also comprise near the inner ring in the center of circle and the outer ring away from the center of circle, the thickness of described outer ring is greater than the thickness of described inner ring, and described inner ring is fixedly connected with described outer ring; The holding of described outer ring is in circlip groove, and described inner ring stays the outside of circlip groove, with the clamping of limited parts phase.
2. circlip according to claim 1, is characterized in that, described inner ring opening end is provided with lug boss near the side in the center of circle, and described clamping hole is arranged at described lug boss.
3. circlip according to claim 2, it is characterized in that, described inner ring and described outer ring comprise and the first end face of axis perpendicular and the second end face, first end face of described inner ring is equal together with the first end face of described outer ring, second end face of described inner ring and the second end face of described outer ring are configured with the step of height difference, and the second end face of described inner ring is lower than the second end face of described outer ring.
4. circlip according to claim 2, it is characterized in that, described inner ring and described outer ring comprise and the first end face of axis perpendicular and the second end face, first end face of described inner ring is equal together with the first end face of described outer ring, and the second end face of described inner ring and the second end face of described outer ring form high inclined-plane, low outside, inner side.
5. the circlip according to claim 3 or 4, is characterized in that, described inner ring is also provided with holding projection near the side in the center of circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210222999.5A CN102720743B (en) | 2012-06-29 | 2012-06-29 | Elastic retainer ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210222999.5A CN102720743B (en) | 2012-06-29 | 2012-06-29 | Elastic retainer ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102720743A CN102720743A (en) | 2012-10-10 |
| CN102720743B true CN102720743B (en) | 2014-12-31 |
Family
ID=46946581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210222999.5A Active CN102720743B (en) | 2012-06-29 | 2012-06-29 | Elastic retainer ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102720743B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016014472A (en) * | 2014-06-13 | 2016-01-28 | 日本精工株式会社 | Snap ring |
| DE102020203957A1 (en) * | 2020-03-26 | 2021-09-30 | Aktiebolaget Skf | Snap ring and bearing arrangement with a snap ring |
| CN116517938B (en) * | 2023-07-04 | 2023-09-26 | 克恩-里伯斯(太仓)有限公司 | An anti-falling elastic retaining ring capable of rebounding and self-locking and its installation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB685982A (en) * | 1951-07-25 | 1953-01-14 | Waldes Kohinoor Inc | Improvements in or relating to retaining rings |
| CN2117960U (en) * | 1990-02-21 | 1992-10-07 | 黄天梵 | Metallic wire winded resilient ring series for hole or axle |
| CN201016365Y (en) * | 2007-03-23 | 2008-02-06 | 宝山钢铁股份有限公司 | Readily detachable bearing support structure |
| CN201322027Y (en) * | 2008-12-12 | 2009-10-07 | 东风汽车公司 | Elastic damping ring for hole and shaft |
| CN201679817U (en) * | 2010-03-30 | 2010-12-22 | 安徽东升机电股份有限公司 | Retaining ring for shaft of scroll compressor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201475179U (en) * | 2009-09-10 | 2010-05-19 | 武汉捷隆汽车电动转向系统有限公司 | Gear shaft assembly for automatically removing axial gap and fixing axial direction |
-
2012
- 2012-06-29 CN CN201210222999.5A patent/CN102720743B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB685982A (en) * | 1951-07-25 | 1953-01-14 | Waldes Kohinoor Inc | Improvements in or relating to retaining rings |
| CN2117960U (en) * | 1990-02-21 | 1992-10-07 | 黄天梵 | Metallic wire winded resilient ring series for hole or axle |
| CN201016365Y (en) * | 2007-03-23 | 2008-02-06 | 宝山钢铁股份有限公司 | Readily detachable bearing support structure |
| CN201322027Y (en) * | 2008-12-12 | 2009-10-07 | 东风汽车公司 | Elastic damping ring for hole and shaft |
| CN201679817U (en) * | 2010-03-30 | 2010-12-22 | 安徽东升机电股份有限公司 | Retaining ring for shaft of scroll compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102720743A (en) | 2012-10-10 |
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