CN102720743A - Elastic retainer ring - Google Patents
Elastic retainer ring Download PDFInfo
- Publication number
- CN102720743A CN102720743A CN2012102229995A CN201210222999A CN102720743A CN 102720743 A CN102720743 A CN 102720743A CN 2012102229995 A CN2012102229995 A CN 2012102229995A CN 201210222999 A CN201210222999 A CN 201210222999A CN 102720743 A CN102720743 A CN 102720743A
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- CN
- China
- Prior art keywords
- face
- inner ring
- outer ring
- circlip
- ring
- 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.)
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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, circlip commonly used fixes the part on the axle, like bearing, gear etc.
Circlip is installed in the circular hole, and as the axial motion of securing part, the external diameter of this type back-up ring is bigger slightly than component location guide bore dia.Must use Circlip tongs during installation, jaw inserted in the pincers hole of back-up ring, clamp back-up ring, just can put into pre-processed circular hole inside groove.
Because back-up ring radially flicks, excircle part gets in the circlip groove, and the inner circular part branch is stayed outside the circlip groove, can effectively limit the axle axial float in this hole that cooperates with this hole, plays the axial limiting effect.
In present actual application, because limited parts in the hole, have motions such as rotating or radially dwindles, cause back-up ring in use in circlip groove, to be jumped out, cause product or failure mechanisms.
Therefore how to prevent that circlip from jumping out in the circlip groove is those skilled in the art's technical issues that need to address.
Summary of the invention
The purpose of this invention is to provide a kind of circlip, can prevent it and in circlip groove, jump out.
Circlip provided by the present invention comprises clamping hole, comprises that also the thickness of said outer ring is greater than the thickness of said inner ring near the inner ring in the center of circle with away from the outer ring in the center of circle, and said inner ring is fixedly connected with said outer ring.
Preferably, said inner ring opening end is provided with lug boss near the side in the center of circle, and said clamping hole is arranged at said lug boss.
Preferably; Said inner ring and said outer ring comprise first end face and second end face perpendicular with axis; The first end face flush of first end face of said inner ring and said outer ring; Second end face of said inner ring and second end face of said outer ring constitute the step of height difference, and second end face of said inner ring is lower than second end face of said outer ring.
Preferably; Said inner ring and said outer ring comprise first end face and second end face perpendicular with axis; The first end face flush of first end face of said inner ring and said outer ring, second end face of said inner ring and second end face of said outer ring constitute high inclined-plane, the inboard low outside.
Preferably, said inner ring also is provided with the holding convexity near a side in the center of circle.
Circlip provided by the present invention comprises clamping hole, comprises that also the thickness of outer ring is greater than the thickness of inner ring near the inner ring in the center of circle with away from the outer ring in the center of circle, and the outer ring is fixedly connected with inner ring.When mounted, utilize special-purpose spring forceps or other setting tool to clamp clamping hole, make the reduced diameter of circlip; Pack in the circlip groove; Circlip flicks under the elastic force effect, and the outer ring holding is in circlip groove, and inner ring is stayed the outside of circlip groove; With the clamping mutually of limited parts, play position-limiting action.So be provided with, the thickness of outer ring is greater than the thickness of inner ring, compared with prior art; Because there are thickness difference in outer ring and inner ring, when in the circlip groove that circlip provided by the present invention is packed into, because the outer ring is thick; Reduced the space between outer ring and the circlip groove, utilized the effect of axial force simultaneously, made circlip and limited parts form self-locking mechanism; Can limit circlip effectively and dwindle ejection, thereby can prevent that circlip from jumping out from circlip groove.
In a kind of preferred scheme; Circlip provided by the present invention; Inner ring and outer ring comprise first end face and second end face perpendicular with axis; The first end face flush of first end face of inner ring and outer ring, second end face of inner ring and second end face of outer ring constitute a step, and second end face of inner ring is lower than second end face of outer ring.So be provided with; Inner ring and outer ring are arranged to a step surface with height difference; Wherein second end face of inner ring is lower than second end face of outer ring; So just can guarantee the thickness of the thickness of outer ring, when assembling, can be convenient to differentiate first end face and second end face simultaneously, can prevent loading error greater than inner ring.
In another kind of preferred version; Circlip provided by the present invention; Inner ring and outer ring comprise first end face and second end face perpendicular with axis; The first end face flush of first end face of inner ring and outer ring, second end face of inner ring and second end face of outer ring constitute high inclined-plane, the inboard low outside.So be provided with,, can guarantee the thickness of the thickness of outer ring, when assembling, can be convenient to differentiate first end face and second end face simultaneously, can prevent loading error greater than inner ring with the inclined-plane that the end face of inner ring and outer ring is arranged to have height difference.
In another kind of preferred version, circlip provided by the present invention, inner ring can also be provided with the holding convexity near a side in the center of circle.Through the holding convexity is set, and confirm the form that holding is protruding, can guarantee the soundness that is connected between circlip and the limited parts according to the concrete form of limited parts.
Description of drawings
Fig. 1 is a circlip structural representation provided by the present invention;
Fig. 2 is a circlip A-A structural representation shown in Figure 1;
Fig. 3 is that circlip partial structurtes shown in Figure 2 are amplified the back structural representation;
Wherein, among Fig. 1-Fig. 3:
Embodiment
Core of the present invention provides a kind of circlip, can prevent it and in circlip groove, jump out.
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with accompanying drawing and embodiment.
Please refer to Fig. 1, Fig. 1 is a circlip structural representation provided by the present invention, and Fig. 2 is a circlip A-A structural representation shown in Figure 1, and Fig. 3 is that circlip partial structurtes shown in Figure 2 are amplified the back structural representation.
Circlip provided by the present invention comprises clamping hole 4, comprises that also the thickness of outer ring 1 is greater than the thickness of inner ring 2 near the inner ring 2 in the center of circle with away from the outer ring 1 in the center of circle, and outer ring 1 is fixedly connected with inner ring 2.
Be provided with two juts 3 at the opening end of inner ring 2 near the side in the center of circle is corresponding, clamping hole 4 is arranged at jut 3.The opening end that the lug boss that is provided with clamping hole 43 is arranged on inner ring is convenient to the setting tool clamping near the side in the center of circle, can be so that install.
When mounted, utilize special-purpose spring forceps or other setting tool to clamp clamping hole 4, the D outer diameter of circlip is dwindled; Pack in the circlip groove; Circlip flicks under the elastic force effect, and outer ring 1 holding is in circlip groove, and inner ring 2 is stayed the outside of circlip groove; With the clamping mutually of limited parts, 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 with inner ring 2; When in the circlip groove that circlip provided by the present invention is packed into,, reduced the space between outer ring 1 and the circlip groove because outer ring 1 is thick; Utilize the effect of axial force simultaneously; Make circlip and limited parts form self-locking mechanism, can limit circlip effectively and dwindle ejection, thereby can prevent that circlip from jumping out from circlip groove.
Need to prove that the total thickness L of circlip confirms according to concrete circlip groove, can select the circlip that is complementary with circlip groove as required.
In this embodiment; Outer ring 1 comprises first end face perpendicular with axis (not indicating among the figure) and second end face (not indicating among the figure) with inner ring 2; First end face (indicating among the figure) flush of first end face of inner ring 2 (indicating among the figure) and outer ring 2; Second end face of inner ring 2 (not indicating among the figure) is lower than second end face (not indicating among the figure) of outer ring 1, and both ends of the surface constitute step 5.
The step 5 that second end face of second end face of inner ring 2 (indicating among the figure) and outer ring 1 (among the figure sign) is arranged to have height difference; Can guarantee the thickness of the thickness of outer ring 1 greater than inner ring 2; When assembling, can be convenient to differentiate first end face (not indicating among the figure) and second end face (not indicating among the figure) simultaneously, can prevent loading error.
Need to prove that the definition again that the end face of outer ring 1 and inner ring 2 is carried out first end face (indicating among the figure) and second end face (indicating among the figure) is just for the ease of description, rather than refer in particular to.
Need to prove that also the size of step width S and shoulder height K is to confirm according to the D outer diameter of circlip and total thickness L.Can select the size of step width S and shoulder height K according to concrete needs.
Certainly; In order to guarantee that there are thickness difference in outer ring 1 and inner ring 2 and prevent loading error; Can also be with first end face (not indicating among the figure) flush of outer ring 1 and inner ring 2, second end face (not indicating among the figure) of second end face of inner ring 2 (not indicating among the figure) and outer ring 1 constitutes the high inclined-plane with height difference, the inboard low outside.
Need to prove to have good position-limiting action, can also near the side in the center of circle holding convexity be set at inner ring 2 in order to guarantee circlip.The protruding concrete form of holding can be confirmed according to concrete limited parts.
Preceding text have carried out detailed description to circlip provided by the present invention, can prevent circlip structure be not destroyed or non-artificial factor situation under, in circlip groove, jump out.
More than circlip provided by the present invention has been carried out detailed introduction.Used concrete example among this paper principle of the present invention and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (5)
1. a circlip comprises clamping hole, it is characterized in that, comprises that also the thickness of said outer ring is greater than the thickness of said inner ring near the inner ring in the center of circle with away from the outer ring in the center of circle, and said inner ring is fixedly connected with said outer ring.
2. circlip according to claim 1 is characterized in that, said inner ring opening end is provided with lug boss near the side in the center of circle, and said clamping hole is arranged at said lug boss.
3. circlip according to claim 2; It is characterized in that; Said inner ring and said outer ring comprise first end face and second end face perpendicular with axis; The first end face flush of first end face of said inner ring and said outer ring, second end face of said inner ring and second end face of said outer ring constitute the step of height difference, and second end face of said inner ring is lower than second end face of said outer ring.
4. circlip according to claim 2; It is characterized in that; Said inner ring and said outer ring comprise first end face and second end face perpendicular with axis; The first end face flush of first end face of said inner ring and said outer ring, second end face of said inner ring and second end face of said outer ring constitute high inclined-plane, the inboard low outside.
5. according to claim 3 or 4 described circlips, it is characterized in that said inner ring also is provided with the holding convexity near a 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 true CN102720743A (en) | 2012-10-10 |
| CN102720743B 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) |
Cited By (2)
| 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 |
| CN116517938A (en) * | 2023-07-04 | 2023-08-01 | 克恩-里伯斯(太仓)有限公司 | Anti-drop elastic retainer ring capable of rebounding and self-locking and mounting method |
Citations (6)
| 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 |
| 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 |
| 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 |
-
2012
- 2012-06-29 CN CN201210222999.5A patent/CN102720743B/en active Active
Patent Citations (6)
| 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 |
| 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 |
| 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 |
Cited By (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 |
| CN116517938A (en) * | 2023-07-04 | 2023-08-01 | 克恩-里伯斯(太仓)有限公司 | Anti-drop elastic retainer ring capable of rebounding and self-locking and mounting method |
| CN116517938B (en) * | 2023-07-04 | 2023-09-26 | 克恩-里伯斯(太仓)有限公司 | Anti-drop elastic retainer ring capable of rebounding and self-locking and mounting method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102720743B (en) | 2014-12-31 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |