CN203176164U - Elastic shaft sleeve - Google Patents
Elastic shaft sleeve Download PDFInfo
- Publication number
- CN203176164U CN203176164U CN 201320155522 CN201320155522U CN203176164U CN 203176164 U CN203176164 U CN 203176164U CN 201320155522 CN201320155522 CN 201320155522 CN 201320155522 U CN201320155522 U CN 201320155522U CN 203176164 U CN203176164 U CN 203176164U
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- China
- Prior art keywords
- shaft sleeve
- elastic shaft
- main body
- sleeve main
- wear plate
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Abstract
The utility model provides an elastic shaft sleeve. The elastic shaft sleeve comprises an elastic shaft sleeve main body (1) and a wear-resistant sheet (2) which is arranged on the inner wall of the elastic shaft sleeve main body (1), wherein the inner end surface of the wear-resistant sheet (2) extends out of the inner wall of the elastic shaft sleeve main body (1) or is parallel to the inner wall of the elastic shaft sleeve main body (1), and the inner end surface of the wear-resistant sheet (2) is a surface which faces the axis of the elastic shaft sleeve main body (1). According to the elastic shaft sleeve provided by the embodiment of the utility model, the wear-resistant sheet is arranged on the inner wall of the elastic shaft sleeve main body, so that a motion shaft is in contact with the wear-resistant sheet, the hardness of the wear-resistant sheet is higher than that of the elastic shaft sleeve main body, so that the wearing capacity of the elastic shaft sleeve main body is relatively small, further the frictional loss of the elastic shaft sleeve is reduced, the service life of the elastic shaft sleeve is prolonged, the replacement frequency of the elastic shaft sleeve is reduced, and further, the maintenance cost is lowered.
Description
Technical field
The utility model relates to the axle sleeve technical field, more particularly, relates to a kind of elastic shaft sleeve.
Background technique
Axle sleeve is travel axis and make it at internal motion fixedly, and the inwall of axle sleeve cooperates with the outer wall of travel axis, and the outer wall of axle sleeve is supported in the support mechanism, to reach the effect with travel axis rotating support and support mechanism.
Owing to have 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 bigger, make the wear extent of travel axis strengthen, the operating life of travel axis is lower.
In order to address this problem, radially collect together the elastic shaft sleeve that adopts the lower plastics of hardness or rubber to make in the bigger mechanism of momentum at travel axis.Elastic shaft sleeve produces buffering to travel axis when travel axis is radially collected together, thereby reduces the impact force between axle sleeve and the travel axis, the working life of improving travel axis.
But, owing to plastics or rubber wear-resisting performance that hardness is lower are relatively poor, often making that the wear extent of elastic shaft sleeve is bigger, its working life is lower, and maintenance cost is higher.
In sum, how improving the working life of elastic shaft sleeve, to reduce maintenance cost, is present those skilled in the art's problem demanding prompt solution.
The model utility content
In view of this, the utility model provides elastic shaft sleeve, has realized improving the working life of elastic shaft sleeve, reduces the effect of maintenance cost.
In order to achieve the above object, the utility model provides following technological scheme:
A kind of elastic shaft sleeve comprises the 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 that it is towards the face of described elastic shaft sleeve main body axis.
Preferably, in the above-mentioned elastic shaft sleeve, the interior edge face of described wear plate is provided with oil storage tank.
Preferably, in the above-mentioned elastic shaft sleeve, the quantity of described oil storage tank is a plurality of, and is uniformly distributed on the interior edge face of described wear plate; Described oil storage tank is the arc oil storage tank.
Preferably, in the above-mentioned elastic shaft sleeve, the quantity of described wear plate is a plurality of, and circumferentially evenly distributing along described elastic shaft sleeve main body.
Preferably, in the above-mentioned elastic shaft sleeve, described wear plate is tinsel, engineering plastics sheet or metallo-plastic composite sheet.
Preferably, in the above-mentioned elastic shaft sleeve, the inwall of described elastic shaft sleeve main body is provided with the 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 that cooperates with described positioning convex portion;
Wherein, the exterior edge face of described wear plate is its face that is connected with described elastic shaft sleeve main body.
Preferably, in the above-mentioned elastic shaft sleeve, described elastic shaft sleeve main body is provided with and a plurality ofly runs 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 the 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 the above-mentioned elastic shaft sleeve, the outer wall of described elastic shaft sleeve main body is provided with a plurality of along its circumferential equally distributed spacing muscle, the parallel to an axis of the bearing of trend of described spacing muscle and described elastic shaft sleeve main body.
Preferably, in the above-mentioned elastic shaft sleeve, described spacing muscle is identical with described number of openings, and described spacing muscle and described opening are arranged at interval.
Preferably, in the 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 the above-mentioned elastic shaft sleeve, described elastic shaft sleeve main body is plastic sleeve main body or rubber axle sleeve main body.
Preferably, in the above-mentioned elastic shaft sleeve, 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 the elastic shaft sleeve that the utility model provides, by the inwall in the elastic shaft sleeve main body wear plate is set, make travel axis contact with wear plate, the hardness of wear plate is higher than the 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.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the elastic shaft sleeve that Fig. 1 provides for the utility model embodiment;
The cross-sectional schematic of the elastic shaft sleeve that Fig. 2 provides for the utility model embodiment;
First structural representation of the wear plate that Fig. 3 provides for the utility model embodiment;
The cross-sectional schematic of the oil storage tank of the wear plate that Fig. 4 provides for the utility model embodiment;
Second structural representation of the wear plate that Fig. 5 provides for the utility model embodiment;
The structural representation of the elastic shaft sleeve main body that Fig. 6 provides for the utility model embodiment;
Fig. 7 is the partial enlarged drawing of A part among Fig. 2;
The elevational schematic view of the elastic shaft sleeve main body that Fig. 8 provides for the utility model embodiment;
Fig. 9 is the partial enlarged drawing of B part among Fig. 8;
The schematic top plan view of the elastic shaft sleeve main body that Figure 10 provides for the utility model embodiment;
The scheme of installation of the elastic shaft sleeve that Figure 11 provides for the utility model embodiment.
Among last Fig. 1-Figure 11:
Elastic shaft sleeve main body 1, wear plate receiving groove 11, groove 12, opening 13, spacing muscle 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 utility model provides a kind of elastic shaft sleeve, has realized improving the working life of elastic shaft sleeve, reduces the effect of maintenance cost.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technological scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1 and Fig. 2, the structural representation of the elastic shaft sleeve that Fig. 1 provides for the utility model embodiment; The cross-sectional schematic of the elastic shaft sleeve that Fig. 2 provides for the utility model embodiment.
The utility model embodiment provides a kind of elastic shaft sleeve, comprises the 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 that it is towards the face of elastic shaft sleeve main body 1 axis.
The elastic shaft sleeve that the utility model embodiment provides, by the inwall in elastic shaft sleeve main body 1 wear plate 2 is set, make travel axis contact 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, the interior edge face of wear plate 2 is provided with oil storage tank 21.After being installed in elastic shaft sleeve in the 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 the wear plate 2, further reduced frictional loss between the two, further improved the working life of the elastic shaft sleeve that present embodiment provides, and improved the working life that is sheathed on the travel axis in the axle sleeve that present embodiment provides.
, the quantity of oil storage tank 21 is a plurality of, and is uniformly distributed on the interior edge face of wear plate 2.By a plurality of oil storage tanks 21 evenly are set, further improve lubrication effect on wear plate 2.
For the ease of processing, oil storage tank 21 is the arc oil storage tank.As shown in Figure 4, consider the saving cost, the thickness of wear plate 2 is little, and then makes that the degree of depth of arc oil storage tank is little, and the longitudinal section of preferred arc oil storage tank is the minor arc end.Can be processed as square oil storage tank, triangle oil storage tank or hemisphere groove etc., concrete structure is not done and is limited and all within protection domain yet.
The quantity of wear plate 2 is a plurality of, and circumferentially evenly distributing along elastic shaft sleeve main body 1.The quantity of the wear plate 2 in the present embodiment is 3, along circumferentially evenly distributing of elastic shaft sleeve main body 1, after making 3 wear plates 2 and travel axis contacting, applies holding power to travel axis uniformly.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 axially is set of travel axis, as travel axis when the horizontal positioned, because the gravity effect is bigger in the extruding downwards.With wear plate 2 inhomogeneous being arranged on elastic shaft sleeve main body 1 inwall, after installation, wear plate 2 intensive sides are arranged near ground.
Preferably, wear plate 2 is tinsel, engineering plastics sheet or metallo-plastic composite sheet.Also can select for use the high material of other hardness to make wear plate 2, its hardness is got final product greater than the hardness of elastic shaft sleeve main body 1.
Please refer to Fig. 5 and Fig. 6, the inwall of elastic shaft sleeve main body 1 is 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 that cooperates with positioning convex portion 22, by positioning convex portion 22 is embedded 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 that is connected with elastic shaft sleeve main body 1.
As shown in Figure 7, in order to improve the connection effect, positioning convex portion 22 has diameter greater than the part of itself and wear plate 2 connecting ends, and the outer wall of the groove face of groove 12 and positioning convex portion 22 is fitted.As shown in Figure 7, positioning convex portion 22 comprises elliposoidal part and column part, the elliposoidal part to the area of contour of the exterior edge face of wear plate 2 greater than the area of contour of column part to the exterior edge face of wear plate 2.Namely enter in the process of groove 12 in positioning convex portion 22, the opening of groove 12 and column part are fitted, need make elliposoidal partly 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 be connected steadiness of positioning convex portion 22 with groove 12.
Also can be 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, not do concrete restriction and all within protection domain at this.
Wear plate 2 can also can will embed wear plate receiving groove 11 with it after wear plate 2 processing by directly to 11 molding and forming of wear plate receiving groove.
For the ease of installing, elastic shaft sleeve main body 1 is provided with and a plurality ofly runs 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 its whole inwardly resiliently deformable, be convenient to be installed in the elastic shaft sleeve mounting hole of support structure, by its elastic force, the outer wall of elastic shaft sleeve and the elastic shaft sleeve mounting hole of support structure are fitted again, finish installation.In the present embodiment, the quantity of opening 13 is 3, and circumferentially evenly distributing along elastic shaft sleeve main body 1.Namely 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 be provided with opening 13, one end of elastic shaft sleeve main body 1 is divided into a plurality of arc-like sheets, in the travel axis inflation process, the arc-like sheet distortion makes the profile of tooth that arranges on the toothed surface of its outer wall close mutually, reach the radian distortion of arc shaped surface, the elastic deformability who has further improved elastic shaft sleeve main body 1.
As Fig. 8 and shown in 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 that is adjacent, and the profile of tooth angle c of adjacent two profiles of tooth is 90 ° ± 1 °.
The outer wall of elastic shaft sleeve main body 1 is provided with a plurality of along its circumferential equally distributed spacing muscle 14, the parallel to an axis of the bearing of trend of spacing muscle 14 and elastic shaft sleeve main body 1.By increasing spacing muscle 14, effectively controlled the radian amount of deformation of arc-like sheet.As shown in figure 10, the angle a of spacing muscle 14 is 120 ° ± 5 °.
In order to make spacing muscle 14 reach the effect of restrained deformation amount to greatest extent, spacing muscle 14 is identical with the quantity of opening 13, and spacing muscle 14 is arranged at interval with opening 13.Being opening 13 is divided into a plurality of arc-like sheets with an end of elastic shaft sleeve main body 1, and the centre of arc-like sheet is provided with spacing muscle 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 and the elastic shaft sleeve mounting hole circumferential movement of support mechanism, the elastic shaft sleeve that the raising 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 Fig. 6 and shown in Figure 11, 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 utility model embodiment is provided is installed in the support mechanism, the positive stop lug boss 15 of elastic shaft sleeve main body 1 contacts with the end face of the elastic shaft sleeve mounting hole A of support structure, has effectively limited elastic shaft sleeve moving axially with respect to support mechanism.
Preferably, positive stop lug boss 15 is arranged at an end of described spacing muscle 14.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be apparent concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments herein.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet the wideest scope consistent with principle disclosed herein and features of novelty.
Claims (13)
1. an elastic shaft sleeve comprises the 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 that it is towards the face of described elastic shaft sleeve main body (1) axis.
2. elastic shaft sleeve according to claim 1 is characterized in that, the interior edge face of described wear plate (2) is provided with oil storage tank (21).
3. elastic shaft sleeve according to claim 2 is characterized in that, the quantity of described oil storage tank (21) is a plurality of, and is uniformly distributed on the interior edge face of described wear plate (2); Described oil storage tank (21) is the arc oil storage tank.
4. elastic shaft sleeve according to claim 1 is characterized in that, the quantity of described wear plate (2) is a plurality of, and circumferentially evenly distributing 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 plastics sheet or metallo-plastic composite sheet.
6. elastic shaft sleeve according to claim 1 is characterized in that, the inwall of described elastic shaft sleeve main body (1) is provided with wear plate receiving groove (11);
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) that cooperates with described positioning convex portion (22);
Wherein, the exterior edge face of described wear plate (2) is its face that is connected with described elastic shaft sleeve main body (1).
7. according to each described elastic shaft sleeve of claim 1-6, it is characterized in that described elastic shaft sleeve main body (1) is provided with and a plurality ofly runs 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, the outer wall of described elastic shaft sleeve main body (1) is provided with a plurality of along its circumferential equally distributed spacing muscle (14), the parallel to an axis of the bearing of trend of described spacing muscle (14) and described elastic shaft sleeve main body (1).
10. elastic shaft sleeve according to claim 9 is characterized in that, described spacing muscle (14) is identical with the quantity of described opening (13), and described spacing muscle (14) is arranged at interval with described opening (13).
11., it is characterized in that the outer wall of described elastic shaft sleeve main body (1) is toothed surface according to each described elastic shaft sleeve of claim 1-6, 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 sleeve 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 sleeve according to claim 1 is characterized in that, 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 |
|---|---|---|---|
| CN 201320155522 CN203176164U (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 |
|---|---|---|---|
| CN 201320155522 CN203176164U (en) | 2013-03-29 | 2013-03-29 | Elastic shaft sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203176164U true CN203176164U (en) | 2013-09-04 |
Family
ID=49072866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320155522 Expired - Lifetime CN203176164U (en) | 2013-03-29 | 2013-03-29 | Elastic shaft sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203176164U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074866A (en) * | 2013-03-29 | 2014-10-01 | 浙江长盛滑动轴承股份有限公司 | Elastic shaft sleeve |
| WO2014154031A1 (en) * | 2013-03-29 | 2014-10-02 | 浙江长盛滑动轴承股份有限公司 | Elastic shaft sleeve |
-
2013
- 2013-03-29 CN CN 201320155522 patent/CN203176164U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074866A (en) * | 2013-03-29 | 2014-10-01 | 浙江长盛滑动轴承股份有限公司 | Elastic shaft sleeve |
| WO2014154031A1 (en) * | 2013-03-29 | 2014-10-02 | 浙江长盛滑动轴承股份有限公司 | Elastic shaft sleeve |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130904 |