CN212225798U - High-wear-resistance shaft sleeve - Google Patents
High-wear-resistance shaft sleeve Download PDFInfo
- Publication number
- CN212225798U CN212225798U CN202020898157.1U CN202020898157U CN212225798U CN 212225798 U CN212225798 U CN 212225798U CN 202020898157 U CN202020898157 U CN 202020898157U CN 212225798 U CN212225798 U CN 212225798U
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- shaft sleeve
- sleeve
- shaft
- oil
- wall
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Abstract
The utility model belongs to the technical field of machine parts, especially, relate to a high wear-resisting axle sleeve, including the axle sleeve body, the axle sleeve body includes the primary shaft cover of outer lane and the secondary shaft cover of inner circle, and primary shaft cover and secondary shaft cover fixed connection offer the oil storage tank that is used for saving lubricating oil on the primary shaft cover inner wall, offer the micropore that is linked together with the oil storage tank on the secondary shaft cover inner wall. The utility model is provided with the double-layer shaft sleeve, namely the first shaft sleeve and the second shaft sleeve, if the second shaft sleeve is worn, the second shaft sleeve can be independently replaced, and the maintenance cost can be reduced; in order to improve the wear resistance of the shaft sleeve body, the inner wall of the first shaft sleeve is provided with an oil storage groove, the inner wall of the second shaft sleeve is provided with micropores communicated with the oil storage groove, and in the working process, lubricating oil in the oil storage groove continuously flows into the inner wall of the second shaft sleeve through the micropores, so that the lubricating effect between the second shaft sleeve and the rotating shaft is improved, and the service lives of the second shaft sleeve and the rotating shaft are further prolonged.
Description
Technical Field
The utility model belongs to the technical field of machine parts, especially, relate to a high wear-resisting axle sleeve.
Background
The shaft sleeve is an important part in the field of mechanical design, and is usually arranged on a rotating shaft to protect the rotating shaft. Because the rotating shaft and the shaft sleeve are in continuous friction rotation in the matched use process, sufficient lubrication between the shaft sleeve and the rotating shaft needs to be ensured.
The sleeve also serves as a centering and bearing for the stationary shaft, preventing it from shifting due to vibrations during operation. The existing shaft sleeve is poor in wear resistance, and meanwhile, the heat generated in the friction process of the rotating shaft and the shaft sleeve cannot be effectively released by the existing shaft sleeve, so that the abrasion of the shaft sleeve and the rotating shaft is further aggravated, and the service life of the rotating shaft and the shaft sleeve is influenced.
The Chinese patent application with the publication number of CN102734327A discloses a shaft sleeve, wherein two through holes are formed in the shaft sleeve, so that lubricating oil can be conveniently added into the through holes, and the convenience of adding the lubricating oil is improved; meanwhile, the spiral oil guide groove is concavely formed in the inner wall surface of the shaft sleeve, so that the contact area between the shaft sleeve and the rotating shaft can be effectively reduced, the friction force of the shaft sleeve is reduced, the service life of the shaft sleeve is prolonged, and the shaft sleeve can improve the wear resistance of the shaft sleeve to a certain extent, but needs frequent lubricating oil addition and is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the technical problem who exists to the aforesaid, provide a high wear-resisting axle sleeve.
The purpose of the utility model is realized like this: the utility model provides a high wear-resisting axle sleeve, includes the axle sleeve body, its characterized in that: the shaft sleeve body comprises a first shaft sleeve of an outer ring and a second shaft sleeve of an inner ring, the first shaft sleeve is fixedly connected with the second shaft sleeve, an oil storage groove used for storing lubricating oil is formed in the inner wall of the first shaft sleeve, and micropores communicated with the oil storage groove are formed in the inner wall of the second shaft sleeve.
By adopting the technical scheme, generally speaking, the abrasion of the shaft sleeve is to abrade the inner wall of the shaft sleeve, and for a large-sized shaft sleeve, the maintenance cost can be improved by replacing the whole shaft sleeve due to the abrasion; in order to improve the wear resistance of the shaft sleeve body, the inner wall of the first shaft sleeve is provided with the oil storage groove, the inner wall of the second shaft sleeve is provided with the micropores communicated with the oil storage groove, and in the working process, lubricating oil in the oil storage groove continuously flows into the inner wall of the second shaft sleeve through the micropores, so that the lubricating effect between the second shaft sleeve and the rotating shaft is improved, and the service lives of the second shaft sleeve and the rotating shaft are further prolonged; the provision of the oil reservoir can reduce the period of adding the lubricating oil, and thus the maintenance period.
The utility model discloses further set up to: the micropore is positioned in the middle of the inner wall of the second shaft sleeve.
Through adopting above-mentioned technical scheme, set up the intermediate position at the second axle sleeve inner wall with the micropore to make the lubricating oil in the oil storage tank can be quick even distribute to the inner wall of second axle sleeve.
The utility model discloses further set up to: an oil guide groove is formed in the inner wall of the second shaft sleeve and is divided into a first oil guide groove and a second oil guide groove which are mutually crossed, and the micropores are located at the crossed positions of the first oil guide groove and the second oil guide groove.
Through adopting above-mentioned technical scheme, set up first oil groove and the second oil groove of leading to set up the cross position between the two with the micropore, with the speed that further improves lubricating oil flow direction second axle sleeve inner wall.
The utility model discloses further set up to: the first oil guide groove and the second oil guide groove are helical structures arranged along the axial direction of the second shaft sleeve, and the helical directions of the first oil guide groove and the second oil guide groove are opposite.
Through adopting above-mentioned technical scheme, set up first axle sleeve and second axle sleeve as helical structure to make lubricating oil can be even, quick be full of the whole inner wall of second axle sleeve.
The utility model discloses further set up to: the inner wall of one end of the first shaft sleeve is provided with a limiting flange which is arranged inwards in the radial direction, after the second shaft sleeve is embedded in the first shaft sleeve, one end of the second shaft sleeve is abutted against the limiting flange, and the other end of the second shaft sleeve is positioned in the first shaft sleeve; the oil storage tank is the ring channel, and its one end of keeping away from limit flange extends and runs through first axle sleeve along axial direction, is provided with the rectangle internal thread that is located between oil storage tank and the limit flange on the inner wall of first axle sleeve, is provided with the external screw thread with rectangle internal thread looks adaptation on the second axle sleeve, first axle sleeve and second axle sleeve threaded connection, the axle sleeve body still include with first axle sleeve threaded connection in order to close the seal cover with the oil storage tank lid.
By adopting the technical scheme, the traditional composite shaft sleeve is generally connected in a clamping manner, although the installation is very convenient, the connection strength between the two is relatively weak, therefore, the utility model discloses connect the first shaft sleeve and the second shaft sleeve through the screw thread, and further strengthen the connection strength, wherein for the convenience of installation, the connection screw thread is set as a rectangular screw thread, which is convenient for rotation; the seal cover is used for covering the port of the oil storage tank, and can prevent lubricating oil from flowing out.
The utility model discloses further set up to: both ends of the shaft sleeve body are provided with chamfers.
Through adopting above-mentioned technical scheme, set up interior outer chamfer at the both ends of axle sleeve body to convenient to install, and avoid the fish tail.
The utility model discloses further set up to: the first shaft sleeve, the second shaft sleeve and the sealing sleeve are all made of high-strength alloy materials.
Through adopting above-mentioned technical scheme, make first axle sleeve, second axle sleeve and seal cover through high strength alloy material to improve the mechanical strength of whole axle sleeve body.
The utility model has the advantages that:
1. the utility model discloses set up double-deck axle sleeve, also be first axle sleeve and second axle sleeve, if the second axle sleeve wearing and tearing, then the solitary second axle sleeve change can, can reduce cost of maintenance.
2. An oil storage groove is formed in the inner wall of the first shaft sleeve, a micropore communicated with the oil storage groove is formed in the inner wall of the second shaft sleeve, and lubricating oil in the oil storage groove continuously flows into the inner wall of the second shaft sleeve through the micropore in the working process, so that the lubricating effect between the second shaft sleeve and the rotating shaft is improved, and the service life of the second shaft sleeve and the rotating shaft is further prolonged; the provision of the oil reservoir can reduce the period of adding the lubricating oil, and thus the maintenance period.
3. The traditional composite shaft sleeves are generally connected in a clamping manner, although the installation is very convenient, the connection strength between the first shaft sleeve and the second shaft sleeve is relatively weak, and therefore, the first shaft sleeve and the second shaft sleeve are connected through the threads to further enhance the connection strength, wherein the connection threads are arranged into rectangular threads for convenient installation and convenient rotation; the seal cover is used for covering the port of the oil storage tank, and can prevent lubricating oil from flowing out.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention;
the reference numbers in the figures are: 1. a shaft sleeve body; 11. a first bushing; 111. an oil storage tank; 112. a limiting flange; 12. a second shaft sleeve; 121. micropores; 122. a first oil guide groove; 123. a second oil guide groove; 13. and (5) sealing the sleeve.
Detailed Description
In order to make the technical solutions in the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings:
a high-wear-resistance shaft sleeve is shown in figure 1 and comprises a shaft sleeve body 1 made of a high-strength alloy material, wherein chamfers are arranged at two ends of the shaft sleeve body 1; the shaft sleeve body 1 comprises a first shaft sleeve 11 of an outer ring and a second shaft sleeve 12 of an inner ring, the first shaft sleeve 11 is fixedly connected with the second shaft sleeve 12, an oil storage groove 111 used for storing lubricating oil is formed in the inner wall of the first shaft sleeve 11, and micropores 121 communicated with the oil storage groove 111 are formed in the inner wall of the second shaft sleeve 12.
Generally speaking, the wear of the shaft sleeve is to wear its inner wall, for large-scale shaft sleeve, change the whole shaft sleeve because of wearing and tearing and can raise the maintenance cost, to this end the utility model discloses set up the double-deck shaft sleeve, namely first shaft sleeve 11 and second shaft sleeve 12, if second shaft sleeve 12 wears, then alone change second shaft sleeve 12 can, can reduce the maintenance cost;
in order to improve the wear resistance of the shaft sleeve body 1, therefore, the utility model discloses set up the oil storage tank 111 on the inner wall of the first shaft sleeve 11, set up the micropore 121 that is linked together with the oil storage tank 111 on the inner wall of the second shaft sleeve 12, in the course of the work, the lubricating oil in the oil storage tank 111 flows into the inner wall of the second shaft sleeve 12 on the continuous basis through the micropore 121, thereby improve the lubricating effect between second shaft sleeve 12 and the pivot, and then improve the life of second shaft sleeve 12 and pivot; the provision of the oil reservoir 111 can reduce the period of adding the lubricating oil, and thus the maintenance period.
A limiting flange 112 arranged radially inwards is arranged on the inner wall of one end of the first shaft sleeve 11, after the second shaft sleeve 12 is embedded in the first shaft sleeve 11, one end of the second shaft sleeve props against the limiting flange 112, and the other end of the second shaft sleeve is positioned in the first shaft sleeve 11; the oil storage tank 111 is an annular groove, one end of the oil storage tank, which is far away from the limit flange 112, extends along the axial direction and penetrates through the first shaft sleeve 11, a rectangular internal thread which is positioned between the oil storage tank 111 and the limit flange 112 is arranged on the inner wall of the first shaft sleeve 11, an external thread which is matched with the rectangular internal thread is arranged on the second shaft sleeve 12, the first shaft sleeve 11 is in threaded connection with the second shaft sleeve 12, and the shaft sleeve body 1 further comprises a sealing sleeve 13 which is in threaded connection with the first shaft sleeve 11 to cover the oil storage tank 111.
The traditional composite shaft sleeve is generally connected in a clamping manner, although the installation is very convenient, the connection strength between the two is relatively weak, and therefore, the first shaft sleeve 11 and the second shaft sleeve 12 are connected through the threads to further enhance the connection strength, wherein the connection threads are arranged into rectangular threads for convenient installation, so that the rotation is convenient; the seal sleeve 13 is a port for covering the oil reservoir 111, and prevents the lubricant from flowing out.
Preferably, the micro-holes 121 are located at the middle position of the inner wall of the second bushing 12.
By arranging the micro holes 121 at the middle position of the inner wall of the second sleeve 12, the lubricating oil in the oil storage tank 111 can be quickly and uniformly distributed on the inner wall of the second sleeve 12.
Optimally, an oil guide groove is formed in the inner wall of the second shaft sleeve 12, the oil guide groove is divided into a first oil guide groove 122 and a second oil guide groove 123 which are mutually crossed, and the micropores 121 are located at the crossed positions of the first oil guide groove 122 and the second oil guide groove 123.
By providing the first oil guide groove 122 and the second oil guide groove 123 and disposing the micro-holes 121 at the crossing positions therebetween, the speed of the lubricating oil flowing to the inner wall of the second sleeve 12 is further increased.
Preferably, the first oil guiding groove 122 and the second oil guiding groove 123 are both helical structures arranged along the axial direction of the second shaft sleeve 12, and the helical directions of the two helical structures are opposite.
By arranging the first sleeve 11 and the second sleeve 12 in a spiral structure, the lubricating oil can uniformly and quickly fill the whole inner wall of the second sleeve 12.
The above embodiments are only preferred embodiments of the present invention, not all embodiments, and other embodiments obtained based on the above embodiments by those skilled in the art without any creative work shall fall within the protection scope of the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a high wear-resisting axle sleeve, includes axle sleeve body (1), its characterized in that: the bearing sleeve comprises a bearing sleeve body (1) and is characterized in that the bearing sleeve body comprises a first bearing sleeve (11) of an outer ring and a second bearing sleeve (12) of an inner ring, the first bearing sleeve (11) is fixedly connected with the second bearing sleeve (12), an oil storage tank (111) used for storing lubricating oil is arranged on the inner wall of the first bearing sleeve (11), and micropores (121) communicated with the oil storage tank (111) are arranged on the inner wall of the second bearing sleeve (12).
2. A high wear resistant bushing according to claim 1, wherein: the micropore (121) is positioned in the middle of the inner wall of the second shaft sleeve (12).
3. A high wear resistant bushing according to claim 2, wherein: seted up on second axle sleeve (12) inner wall and led the oil groove, lead the oil groove and divide into intercrossing's first oil groove (122) and the second oil groove (123) of leading, micropore (121) are located first oil groove (122) of leading with the cross position of oil groove (123) is led to the second.
4. A high wear resistant bushing according to claim 3, wherein: the first oil guide groove (122) and the second oil guide groove (123) are both helical structures arranged along the axial direction of the second shaft sleeve (12), and the helical directions of the first oil guide groove and the second oil guide groove are opposite.
5. A high wear resistant bushing according to any one of claims 1-4, wherein: a limiting flange (112) arranged radially inwards is arranged on the inner wall of one end of the first shaft sleeve (11), the second shaft sleeve (12) is embedded in the first shaft sleeve (11), one end of the second shaft sleeve props against the limiting flange (112), and the other end of the second shaft sleeve is positioned in the first shaft sleeve (11); oil storage tank (111) is the ring channel, and it is kept away from the one end of limit flange (112) extends and runs through along axial direction first axle sleeve (11), be provided with on the inner wall of first axle sleeve (11) and be located oil storage tank (111) with rectangle internal thread between limit flange (112), be provided with on second axle sleeve (12) with the external screw thread of rectangle internal thread looks adaptation, first axle sleeve (11) with second axle sleeve (12) threaded connection, axle sleeve body (1) still include with first axle sleeve (11) threaded connection is in order to incite somebody to action seal cover (13) that oil storage tank (111) lid closed.
6. A high wear resistant bushing according to claim 5, wherein: chamfers are arranged at two ends of the shaft sleeve body (1).
7. A high wear resistant bushing according to claim 5, wherein: the first shaft sleeve (11), the second shaft sleeve (12) and the sealing sleeve (13) are all made of high-strength alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020898157.1U CN212225798U (en) | 2020-05-25 | 2020-05-25 | High-wear-resistance shaft sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020898157.1U CN212225798U (en) | 2020-05-25 | 2020-05-25 | High-wear-resistance shaft sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212225798U true CN212225798U (en) | 2020-12-25 |
Family
ID=73929403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020898157.1U Expired - Fee Related CN212225798U (en) | 2020-05-25 | 2020-05-25 | High-wear-resistance shaft sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212225798U (en) |
-
2020
- 2020-05-25 CN CN202020898157.1U patent/CN212225798U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |