CN104074866A - Elastic shaft sleeve - Google Patents
Elastic shaft sleeve Download PDFInfo
- Publication number
- CN104074866A CN104074866A CN201310109546.6A CN201310109546A CN104074866A CN 104074866 A CN104074866 A CN 104074866A CN 201310109546 A CN201310109546 A CN 201310109546A CN 104074866 A CN104074866 A CN 104074866A
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- CN
- China
- Prior art keywords
- shaft sleeve
- elastic shaft
- main body
- sleeve main
- wear plate
- 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.)
- Pending
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- Sliding-Contact Bearings (AREA)
Abstract
The invention provides an elastic shaft bush which comprises an elastic shaft sleeve main body (1) and an elastic wear resistant sheet (2) arranged on the inner wall of the elastic shaft sleeve main body (1), wherein the inner end surface of the elastic wear resistant sheet (2) extends out the elastic shaft sleeve main body (1) or is parallel with the inner wall of the elastic shaft sleeve main body (1); the inner end surface of the elastic wear resistant sheet (2) is the surface towards the axis of the elastic shaft sleeve main body (1). According to the elastic shaft sleeve provided by the embodiment of the invention, by arranging the wear resistant sheet on the inner wall of the elastic shaft sleeve main body, a moving shaft is in contact with the wear resistant sheet; as the hardness of the wear resistant sheet is greater than that of the elastic shaft sleeve main body, the wear amount is relatively small, and thus the friction loss of the elastic shaft sleeve is reduced, the service life of the elastic shaft sleeve is prolonged, the replacement frequency is reduced and the maintenance cost is lowered.
Description
Technical field
The present invention relates to axle sleeve technical field, more particularly, relate to a kind of elastic shaft sleeve.
Background technique
Axle sleeve is fixed travel axis and is made it at internal motion, and the inwall of axle sleeve coordinates with the outer wall of travel axis, and the outer wall of axle sleeve is supported in support mechanism, to reach the effect of travel axis rotating support and support mechanism.
Owing to there being radially collecting together of travel axis in most of applications, and axle sleeve plays the effect that limits its radial vibration to travel axis, and provide uniform support force for it, and the vibratory impulse power of the suffered travel axis of the hard axle sleeve that adopts metallic material or rigid plastics to make is larger, the wear extent of travel axis is strengthened, and the operating life of travel axis is lower.
In order to address this problem, travel axis radially collect together the mechanism that momentum is larger in adopt plastics that hardness is lower or rubber to make elastic shaft sleeve.Elastic shaft sleeve produces buffering to travel axis in the time that travel axis is radially collected together, thereby reduces the impact force between axle sleeve and travel axis, the working life of improving travel axis.
But, due to the lower plastics of hardness or rubber wear-resisting performance poor, often make the wear extent of elastic shaft sleeve larger, its working life is lower, maintenance cost is higher.
In sum, how improving the working life of elastic shaft sleeve, to reduce maintenance cost, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides elastic shaft sleeve, realized the working life of improving elastic shaft sleeve, reduce the effect of maintenance cost.
In order to achieve the above object, the invention provides following technological scheme:
A kind of elastic shaft sleeve, comprises elastic shaft sleeve main body, also comprises the wear plate on the inwall that is arranged at described elastic shaft sleeve main body;
The interior edge face of described wear plate stretches out the inwall of described elastic shaft sleeve main body or parallel with the inwall of described elastic shaft sleeve main body, and wherein, the interior edge face of described wear plate is its face towards described elastic shaft sleeve main body axis.
Preferably, in above-mentioned elastic shaft sleeve, on the interior edge face of described wear plate, be provided with oil storage tank.
Preferably, in above-mentioned elastic shaft sleeve, the quantity of described oil storage tank is multiple, and is uniformly distributed on the interior edge face of described wear plate; Described oil storage tank is arc oil storage tank.
Preferably, in above-mentioned elastic shaft sleeve, the quantity of described wear plate is multiple, and being circumferentially uniformly distributed along described elastic shaft sleeve main body.
Preferably, in above-mentioned elastic shaft sleeve, described wear plate is tinsel, engineering plastic tablet or metallo-plastic composite sheet.
Preferably, in above-mentioned elastic shaft sleeve, on the inwall of described elastic shaft sleeve main body, be provided with wear plate receiving groove;
The exterior edge face of described wear plate is provided with positioning convex portion, and the groove bottom of described wear plate receiving groove is provided with the groove coordinating with described positioning convex portion;
Wherein, the exterior edge face of described wear plate is its face being connected with described elastic shaft sleeve main body.
Preferably, in above-mentioned elastic shaft sleeve, in described elastic shaft sleeve main body, be provided with and multiplely run through its inwall and outer wall and along its circumferential equally distributed opening; The parallel to an axis of the bearing of trend of described opening and described elastic shaft sleeve main body.
Preferably, in above-mentioned elastic shaft sleeve, the outer wall of described elastic shaft sleeve main body is toothed surface, the parallel to an axis of the bearing of trend of its single profile of tooth and described elastic shaft sleeve main body.
Preferably, in above-mentioned elastic shaft sleeve, on the outer wall of described elastic shaft sleeve main body, be provided with multiple along its circumferential equally distributed limit rib, the parallel to an axis of the bearing of trend of described limit rib and described elastic shaft sleeve main body.
Preferably, in above-mentioned elastic shaft sleeve, described limit rib is identical with the quantity of described opening, and described limit rib and described opening interval layout.
Preferably, in above-mentioned elastic shaft sleeve, the outer wall of described elastic shaft sleeve main body is toothed surface, the parallel to an axis of the bearing of trend of its single profile of tooth and described elastic shaft sleeve main body.
Preferably, in above-mentioned elastic shaft sleeve, described elastic shaft sleeve main body is plastic sleeve main body or rubber axle sleeve main body.
Preferably, in above-mentioned elastic shaft sleeve, on the outer wall of described elastic shaft sleeve main body, be provided with for the positive stop lug boss of support structure axial restraint.
In elastic shaft sleeve provided by the invention, by wear plate being set on the inwall in elastic shaft sleeve main body, travel axis is contacted with wear plate, the hardness of wear plate is higher than elastic shaft sleeve main body, its wear extent is less, and then has reduced the frictional loss of elastic shaft sleeve, has improved the working life of elastic shaft sleeve, reduce the frequency of its replacing, and then reduce maintenance cost.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the elastic shaft sleeve that Fig. 1 provides for the embodiment of the present invention;
The cross-sectional schematic of the elastic shaft sleeve that Fig. 2 provides for the embodiment of the present invention;
The first structural representation of the wear plate that Fig. 3 provides for the embodiment of the present invention;
The cross-sectional schematic of the oil storage tank of the wear plate that Fig. 4 provides for the embodiment of the present invention;
The second structural representation of the wear plate that Fig. 5 provides for the embodiment of the present invention;
The structural representation of the elastic shaft sleeve main body that Fig. 6 provides for the embodiment of the present invention;
Fig. 7 is the partial enlarged drawing of A part in Fig. 2;
The elevational schematic view of the elastic shaft sleeve main body that Fig. 8 provides for the embodiment of the present invention;
Fig. 9 is the partial enlarged drawing of B part in Fig. 8;
The schematic top plan view of the elastic shaft sleeve main body that Figure 10 provides for the embodiment of the present invention;
The scheme of installation of the elastic shaft sleeve that Figure 11 provides for the embodiment of the present invention.
In upper Fig. 1-Figure 11:
Elastic shaft sleeve main body 1, wear plate receiving groove 11, groove 12, opening 13, limit rib 14, positive stop lug boss 15, wear plate 2, oil storage tank 21, positioning convex portion 22, elastic shaft sleeve mounting hole A.
Embodiment
The invention provides a kind of elastic shaft sleeve, realized the working life of improving elastic shaft sleeve, reduce the effect of maintenance cost.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment who obtains under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1 and Fig. 2, the structural representation of the elastic shaft sleeve that Fig. 1 provides for the embodiment of the present invention; The cross-sectional schematic of the elastic shaft sleeve that Fig. 2 provides for the embodiment of the present invention.
The embodiment of the present invention provides a kind of elastic shaft sleeve, comprises elastic shaft sleeve main body, also comprises the wear plate 2 on the inwall that is arranged at elastic shaft sleeve main body 1; The inwall of the interior edge face elasticity of extension axle sleeve main body 1 of wear plate 2 or parallel with the inwall of elastic shaft sleeve main body 1, wherein, the interior edge face of wear plate 2 is its face towards elastic shaft sleeve main body 1 axis.
The elastic shaft sleeve that the embodiment of the present invention provides, by wear plate 2 is set on the inwall in elastic shaft sleeve main body 1, travel axis is contacted with wear plate 2, the hardness of wear plate 2 is higher than elastic shaft sleeve main body 1, its wear extent is less, and then has reduced the frictional loss of elastic shaft sleeve, has improved the working life of elastic shaft sleeve, reduce the frequency of its replacing, and then reduce maintenance cost.
As shown in Figure 3, in order further to improve the working life of elastic shaft sleeve, on the interior edge face of wear plate 2, be provided with oil storage tank 21.After elastic shaft sleeve is arranged in device, wear plate 2 contacts with the outer wall of travel axis, lubricant oil is stored in oil storage tank 21, to being lubricated between travel axis and wear plate 2, further reduce frictional loss between the two, further improve the working life of the elastic shaft sleeve that the present embodiment provides, and improved the working life that is sheathed on the travel axis in the axle sleeve that the present embodiment provides.
, the quantity of oil storage tank 21 is multiple, and is uniformly distributed on the interior edge face of wear plate 2.By multiple oil storage tanks 21 are evenly set on wear plate 2, further improve lubrication effect.
For the ease of processing, oil storage tank 21 is arc oil storage tank.As shown in Figure 4, consider cost-savingly, the thickness of wear plate 2 is little, and then makes the degree of depth of arc oil storage tank little, and preferably the longitudinal section of arc oil storage tank is minor arc end.Also can be processed as square oil storage tank, triangle oil storage tank or hemisphere groove etc., concrete structure does not limit and all within protection domain.
The quantity of wear plate 2 is multiple, and being circumferentially uniformly distributed along elastic shaft sleeve main body 1.The quantity of the wear plate 2 in the present embodiment is 3, along being circumferentially uniformly distributed of elastic shaft sleeve main body 1, after 3 wear plates 2 are contacted with travel axis, applies holding power uniformly to travel axis.The wear plate 2 of other quantity also can be set, as 4 or 5.Can also be according to the position that wear plate 2 is axially set of travel axis, if travel axis is when the horizontal positioned, due to Action of Gravity Field, larger in extruding downwards.By inhomogeneous wear plate 2 being arranged on elastic shaft sleeve main body 1 inwall, after installation, the side that wear plate 2 is intensive is arranged near ground.
Preferably, wear plate 2 is tinsel, engineering plastic tablet or metallo-plastic composite sheet.Also can select the material that other hardness are high to make wear plate 2, only need to make its hardness to be greater than the hardness of elastic shaft sleeve main body 1.
Please refer to Fig. 5 and Fig. 6, on the inwall of elastic shaft sleeve main body 1, be provided with wear plate receiving groove 11; The exterior edge face of wear plate 2 is provided with positioning convex portion 22, the groove bottom of wear plate receiving groove 11 is provided with the groove 12 coordinating with positioning convex portion 22, by positioning convex portion 22 is embedded to groove 12, wear plate 2 is connected with elastic shaft sleeve main body 1, and restriction wear plate 2 move; Wherein, the exterior edge face of wear plate 2 is its face being connected with elastic shaft sleeve main body 1.
As shown in Figure 7, in order to improve connection effect, positioning convex portion 22 has the part that diameter is greater than itself and wear plate 2 connecting ends, the outer wall laminating of the groove face of groove 12 and positioning convex portion 22.As shown in Figure 7, positioning convex portion 22 comprises elliposoidal part and column part, and elliposoidal part is greater than the area of contour of column part to the exterior edge face of wear plate 2 to the area of contour of the exterior edge face of wear plate 2.Enter in the process of groove 12 in positioning convex portion 22, the opening of groove 12 and column part laminating, need to make elliposoidal part enter the inside of groove 12 by the opening of groove 12 by the resiliently deformable of elastic shaft sleeve main body 1, further improve the stable connection of positioning convex portion 22 with groove 12.
Also can only at the inwall of elastic shaft sleeve main body 1, wear plate receiving groove 11 be set; Wear plate 2 can also be connected in by bolt or glue on the inwall of elastic shaft sleeve main body 1, be not specifically limited and all within protection domain at this.
Wear plate 2 can, by directly to 11 molding and forming of wear plate receiving groove, be embedded wear plate receiving groove 11 after also wear plate 2 can being processed.
For the ease of installing, in elastic shaft sleeve main body 1, be provided with and multiplely run through its inwall and outer wall and along its circumferential equally distributed opening 13; The parallel to an axis of the bearing of trend of opening 13 and elastic shaft sleeve main body 1.By opening 13 is set, in the installation process of elastic shaft sleeve, alignment applies the extruding force of ecto-entad, make inwardly resiliently deformable of its entirety, be convenient to be installed in the elastic shaft sleeve mounting hole of support structure, by its elastic force, make the outer wall of elastic shaft sleeve and the laminating of the elastic shaft sleeve mounting hole of support structure again, complete installation.In the present embodiment, the quantity of opening 13 is 3, and being circumferentially uniformly distributed along elastic shaft sleeve main body 1.3 openings 13 run through inwall and the outer wall of elastic shaft sleeve main body 1, make elastic shaft sleeve main body 1 have 3 arc-like sheets.
Further, the outer wall of elastic shaft sleeve main body 1 is toothed surface, the parallel to an axis of the bearing of trend of its single profile of tooth and elastic shaft sleeve main body 1.Owing to being provided with opening 13, one end of elastic shaft sleeve main body 1 is divided into multiple arc-like sheets, in travel axis inflation process, arc-like sheet distortion makes the profile of tooth that arranges in the toothed surface of its outer wall mutually close, reach the arc deforming of arc shaped surface, further improved the elastic deformability of elastic shaft sleeve main body 1.
As shown in Figure 8 and Figure 9, preferably, the first tooth-shape angle b of the center line of adjacent two profiles of tooth is 6 ° ± 1 °, and the center line of opening 13 is 6 ° ± 1 ° with the second tooth-shape angle d of the center line of the profile of tooth being adjacent, and the profile of tooth angle c of adjacent two profiles of tooth is 90 ° ± 1 °.
On the outer wall of elastic shaft sleeve main body 1, be provided with multiple along its circumferential equally distributed limit rib 14, the parallel to an axis of the bearing of trend of limit rib 14 and elastic shaft sleeve main body 1.By increasing limit rib 14, effectively control the arc deforming amount of arc-like sheet.As shown in figure 10, the angle a of limit rib 14 is 120 ° ± 5 °.
In order to make limit rib 14 reach to greatest extent the effect of restrained deformation amount, limit rib 14 is identical with the quantity of opening 13, and limit rib 14 is arranged with opening 13 intervals.Be that one end of elastic shaft sleeve main body 1 is divided into multiple arc-like sheets by opening 13, the centre of arc-like sheet is provided with limit rib 14.
In another kind of embodiment, the outer wall of elastic shaft sleeve main body 1 is toothed surface, the parallel to an axis of the bearing of trend of its single profile of tooth and elastic shaft sleeve main body 1, to improve the frictional force of elastic shaft sleeve mounting hole circumferential movement of elastic shaft sleeve and support mechanism, the elastic shaft sleeve that raising the present embodiment provides is with respect to the stability maintenance of support mechanism.
Preferably, elastic shaft sleeve main body 1 is plastic sleeve main body or rubber axle sleeve main body.
As shown in Fig. 6 and Figure 11, on the outer wall of elastic shaft sleeve main body 1, be provided with for the positive stop lug boss 15 of support structure axial restraint.After the elastic shaft sleeve that the embodiment of the present invention is provided is installed in support mechanism, the positive stop lug boss 15 of elastic shaft sleeve main body 1 and the end contact of the elastic shaft sleeve mounting hole A of support structure, effectively limited elastic shaft sleeve moving axially with respect to support mechanism.
Preferably, positive stop lug boss 15 is arranged at one end of described limit rib 14.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to these embodiments' multiple amendment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (13)
1. an elastic shaft sleeve, comprises elastic shaft sleeve main body, it is characterized in that, also comprises the wear plate (2) on the inwall that is arranged at described elastic shaft sleeve main body (1);
The interior edge face of described wear plate (2) stretches out the inwall of described elastic shaft sleeve main body (1) or parallel with the inwall of described elastic shaft sleeve main body (1), and wherein, the interior edge face of described wear plate (2) is its face towards described elastic shaft sleeve main body (1) axis.
2. elastic shaft sleeve according to claim 1, is characterized in that, is provided with oil storage tank (21) on the interior edge face of described wear plate (2).
3. elastic shaft sleeve according to claim 2, is characterized in that, the quantity of described oil storage tank (21) is multiple, and is uniformly distributed on the interior edge face of described wear plate (2); Described oil storage tank (21) is arc oil storage tank.
4. elastic shaft sleeve according to claim 1, is characterized in that, the quantity of described wear plate (2) is multiple, and being circumferentially uniformly distributed along described elastic shaft sleeve main body (1).
5. elastic shaft sleeve according to claim 1, is characterized in that, described wear plate (2) is tinsel, engineering plastic tablet or metallo-plastic composite sheet.
6. elastic shaft sleeve according to claim 1, is characterized in that, is provided with wear plate receiving groove (11) on the inwall of described elastic shaft sleeve main body (1);
The exterior edge face of described wear plate (2) is provided with positioning convex portion (22), and the groove bottom of described wear plate receiving groove (11) is provided with the groove (12) coordinating with described positioning convex portion (22);
Wherein, the exterior edge face of described wear plate (2) is its face being connected with described elastic shaft sleeve main body (1).
7. according to the elastic shaft sleeve described in claim 1-6 any one, it is characterized in that, in described elastic shaft sleeve main body (1), be provided with and multiplely run through its inwall and outer wall and along its circumferential equally distributed opening (13); The parallel to an axis of the bearing of trend of described opening (13) and described elastic shaft sleeve main body (1).
8. elastic shaft sleeve according to claim 7, is characterized in that, the outer wall of described elastic shaft sleeve main body (1) is toothed surface, the parallel to an axis of the bearing of trend of its single profile of tooth and described elastic shaft sleeve main body (1).
9. elastic shaft sleeve according to claim 8, it is characterized in that, on the outer wall of described elastic shaft sleeve main body (1), be provided with multiple along its circumferential equally distributed limit rib (14), the parallel to an axis of the bearing of trend of described limit rib (14) and described elastic shaft sleeve main body (1).
10. elastic shaft sleeve according to claim 9, is characterized in that, described limit rib (14) is identical with the quantity of described opening (13), and described limit rib (14) is arranged with described opening (13) interval.
11. according to the elastic shaft sleeve described in claim 1-6 any one, it is characterized in that, the outer wall of described elastic shaft sleeve main body (1) is toothed surface, the parallel to an axis of the bearing of trend of its single profile of tooth and described elastic shaft sleeve main body (1).
12. elastic shaft sleeves according to claim 1, is characterized in that, described elastic shaft sleeve main body (1) is plastic sleeve main body or rubber axle sleeve main body.
13. elastic shaft sleeves according to claim 1, is characterized in that, on the outer wall of described elastic shaft sleeve main body (1), be provided with for the positive stop lug boss (15) of support structure axial restraint.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310109546.6A CN104074866A (en) | 2013-03-29 | 2013-03-29 | Elastic shaft sleeve |
| PCT/CN2014/070021 WO2014154031A1 (en) | 2013-03-29 | 2014-01-02 | Elastic shaft sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310109546.6A CN104074866A (en) | 2013-03-29 | 2013-03-29 | Elastic shaft sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104074866A true CN104074866A (en) | 2014-10-01 |
Family
ID=51596375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310109546.6A Pending CN104074866A (en) | 2013-03-29 | 2013-03-29 | Elastic shaft sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104074866A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799773A (en) * | 2015-01-21 | 2016-07-27 | 株式会社昭和 | Steering apparatus and bearing member |
| CN107235071A (en) * | 2016-03-28 | 2017-10-10 | 株式会社昭和 | Power steering apparatus |
| CN108119548A (en) * | 2017-12-15 | 2018-06-05 | 重庆美的通用制冷设备有限公司 | Bearing shell and with its slide bearing assembly, compressor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62156621U (en) * | 1986-03-27 | 1987-10-05 | ||
| JPH02116023U (en) * | 1989-03-03 | 1990-09-17 | ||
| US5518318A (en) * | 1988-04-15 | 1996-05-21 | The Bf Goodrich Company | Bearing assembly |
| CN102678753A (en) * | 2012-04-28 | 2012-09-19 | 苏州市邓尉喷胶棉厂 | Bearing bush |
| CN203176164U (en) * | 2013-03-29 | 2013-09-04 | 浙江长盛滑动轴承股份有限公司 | Elastic shaft sleeve |
-
2013
- 2013-03-29 CN CN201310109546.6A patent/CN104074866A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62156621U (en) * | 1986-03-27 | 1987-10-05 | ||
| US5518318A (en) * | 1988-04-15 | 1996-05-21 | The Bf Goodrich Company | Bearing assembly |
| JPH02116023U (en) * | 1989-03-03 | 1990-09-17 | ||
| CN102678753A (en) * | 2012-04-28 | 2012-09-19 | 苏州市邓尉喷胶棉厂 | Bearing bush |
| CN203176164U (en) * | 2013-03-29 | 2013-09-04 | 浙江长盛滑动轴承股份有限公司 | Elastic shaft sleeve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105799773A (en) * | 2015-01-21 | 2016-07-27 | 株式会社昭和 | Steering apparatus and bearing member |
| CN107235071A (en) * | 2016-03-28 | 2017-10-10 | 株式会社昭和 | Power steering apparatus |
| US10202143B2 (en) | 2016-03-28 | 2019-02-12 | Showa Corporation | Power steering apparatus |
| CN108119548A (en) * | 2017-12-15 | 2018-06-05 | 重庆美的通用制冷设备有限公司 | Bearing shell and with its slide bearing assembly, compressor |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20141001 |