CN212615962U - Wear-resisting shaft sleeve of gear oil pump - Google Patents
Wear-resisting shaft sleeve of gear oil pump Download PDFInfo
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- CN212615962U CN212615962U CN202021318686.6U CN202021318686U CN212615962U CN 212615962 U CN212615962 U CN 212615962U CN 202021318686 U CN202021318686 U CN 202021318686U CN 212615962 U CN212615962 U CN 212615962U
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- sleeve body
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Abstract
The utility model discloses a wear-resisting axle sleeve of gear oil pump has lubricated effectual, the difficult characteristics that wear and tear, and its technical scheme main points are including the external cover body, are equipped with the shaft hole that two symmetries set up on the external cover body, still be equipped with the internal cover body in the shaft hole, be equipped with the open slot on the lateral wall of the internal cover body, still be equipped with a plurality of bar stoppers that are the annular array and arrange on the outer wall of the internal cover body, be equipped with a plurality of bar spacing grooves with bar stopper adaptation on the inner wall in shaft hole, the groove depth of bar spacing groove is greater than the radial thickness of bar stopper, is equipped with a plurality of holes on the internal cover body, forms the water conservancy diversion passageway between the adjacent hole, the periphery wall and the internal perispor.
Description
Technical Field
The utility model belongs to the technical field of the axle sleeve, refer in particular to a wear-resisting axle sleeve of gear oil pump.
Background
The shaft sleeve is mainly used for supporting and sealing a gear of a gear oil pump, and can realize stable output of flow and pressure only if the shaft sleeve has higher supporting strength and end surface wear resistance; the main accurate problem that exists of current axle sleeve does, and the axle sleeve rotates with the direct cooperation of pivot to be connected, easily causes the axle sleeve wearing and tearing, and the rotational stability of wearing and tearing back gear descends, can't realize the stable output of flow and pressure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wear-resisting axle sleeve of gear oil pump has lubricated effectual, the difficult characteristics that wear and tear.
The purpose of the utility model is realized like this: the utility model provides a wear-resisting axle sleeve of gear oil pump, includes the outer cover, is equipped with the shaft hole that two symmetries set up on the outer cover, its characterized in that: still be equipped with the inner sleeve body in the shaft hole, be equipped with the open slot on the lateral wall of the inner sleeve body, still be equipped with a plurality of bar stoppers that are annular array and arrange on the outer wall of the inner sleeve body, be equipped with a plurality of bar spacing grooves with the bar stopper adaptation on the inner wall in shaft hole, the groove depth of bar spacing groove is greater than the radial thickness of bar stopper, is equipped with a plurality of holes on the inner sleeve body, forms the water conservancy diversion passageway between the adjacent hole, the periphery wall and the internal perisporium of the inner sleeve body of water conservancy.
Through adopting above-mentioned technical scheme, setting through the open slot, make the endotheca physical stamina enough realize radial elastic shrinkage, be convenient for with endotheca body block in the axle hole, and the setting of the bar spacing groove and the bar stopper through the looks adaptation, can play the spacing effect of circumference to the relative axle hole of the endotheca body, increase the installation stability of the endotheca body, because the groove depth of bar spacing groove is darker, then easy at the oil storage of bar spacing groove, and the endotheca body is porous structure, easy oil absorption oil storage, at the gear shaft in-process of rotating of the endotheca body, can form the oil film on the inner wall of the endotheca body, thereby play high-efficient lubricated effect, improve the wearability.
The utility model discloses further set up to: one end of the outer sleeve body is provided with a first blocking ring which is positioned in the shaft hole and axially abutted against the inner sleeve body, the other end of the outer sleeve body is provided with a wear-resistant sheet, and the wear-resistant sheet is provided with a second blocking ring which is matched with the shaft hole and axially abutted against the inner sleeve body.
Through adopting above-mentioned technical scheme, the first ring that keeps off plays axial limiting displacement to the internal cover body, and wear pad can increase the wearability between external cover body terminal surface and the gear axial, and wear pad keeps off the interference fit between ring and the shaft hole through the second and is fixed in on the external cover body.
The utility model discloses further set up to: the inner wall of the inner sleeve body is provided with an oil storage tank which is spirally arranged.
Through adopting above-mentioned technical scheme, the oil storage tank can be multistage structure, and when the themogenesis inflation of the inner jacket body, oil can ooze outward and form the oil film, when oil overflow is too much, can get into the oil storage tank and temporarily store for oil is difficult direct to spill over to the outside, and when the during operation that stops, the inner jacket body cooling, and oil again gradually oozes back to the inner jacket body.
The utility model discloses further set up to: the outer sleeve body is made of aluminum alloy.
By adopting the technical scheme, the aluminum alloy can meet the strength requirement, and has light weight and low cost.
The utility model discloses further set up to: the inner sleeve body and the wear-resistant sheet are both structures formed by sintering copper-based powder through powder metallurgy.
By adopting the technical scheme, powder metallurgy is taken as the prior technical process, and the inner sleeve body can be directly made into a porous structure, so that the requirement of the porous structure required by the inner sleeve body in the design can be met.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the K-K direction structure of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;
the reference numbers in the figures are: 1. an outer casing; 2. a shaft hole; 3. an inner sleeve body; 4. an open slot; 5. a strip-shaped limiting block; 6. a strip-shaped limiting groove; 7. a first retainer ring; 8. a wear resistant sheet; 9. a second retainer ring; 10. and an oil storage tank.
Detailed Description
The invention will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which figures 1 to 3:
the utility model provides a wear-resisting axle sleeve of gear oil pump, includes outer cover 1, is equipped with the shaft hole 2 that two symmetries set up, its characterized in that on the outer cover 1: still be equipped with the inner housing body 3 in the shaft hole 2, be equipped with open slot 4 on the lateral wall of the inner housing body 3, still be equipped with a plurality of bar stoppers 5 that are the annular array and arrange on the outer wall of the inner housing body 3, be equipped with a plurality of bar spacing grooves 6 with 5 adaptations of bar stopper on the inner wall of shaft hole 2, the groove depth of bar spacing groove 6 is greater than the radial thickness of bar stopper 5, is equipped with a plurality of holes on the inner housing body 3, forms the water conservancy diversion passageway between the adjacent hole clearance, the periphery wall and the internal perisporium of the inner housing body 3 of water.
Through adopting above-mentioned technical scheme, setting through open slot 4, make the inner sleeve body 3 can realize radial elastic shrinkage, be convenient for with the 3 blocks of inner sleeve body in shaft hole 2, and the setting of bar spacing groove 6 and bar stopper 5 through the looks adaptation, can play the spacing effect of circumference to the relative shaft hole 2 of the inner sleeve body 3, increase the installation stability of the inner sleeve body 3, because the groove depth of bar spacing groove 6 is darker, then easily at the oil storage of bar spacing groove 6, and the inner sleeve body 3 is porous structure, easily inhale oil storage, at the gear shaft in-process of the rotation of the inner sleeve body 3, can form the oil film on the inner wall of the inner sleeve body 3, thereby play high-efficient lubricated effect, improve the wearability.
The utility model discloses further set up to: one end of the outer sleeve body 1 is provided with a first baffle ring 7 which is positioned in the shaft hole 2 and axially collides with the inner sleeve body 3, the other end of the outer sleeve body 1 is provided with a wear-resistant sheet 8, and the wear-resistant sheet 8 is provided with a second baffle ring 9 which is matched with the shaft hole 2 and axially collides with the inner sleeve body 3.
Through adopting above-mentioned technical scheme, first fender ring 7 plays axial limiting displacement to inner sleeve body 3, and wear pad 8 can increase the wearability between outer sleeve body 1 terminal surface and the gear axial, and wear pad 8 is fixed in on outer sleeve body 1 through the interference fit between second fender ring 9 and the shaft hole 2.
The utility model discloses further set up to: an oil storage tank 10 which is spirally arranged is arranged on the inner wall of the inner sleeve body 3.
Through adopting above-mentioned technical scheme, oil storage tank 10 can be the multistage structure, and when the themogenesis inflation of interior cover body 3, oil can the exosmosis form the oil film, when oil overflow is too much, can get into and temporarily store in oil storage tank 10 for oil is difficult direct to spill over to the outside, and when the stop work, interior cover body 3 cools down, and oil again gradually oozes back in interior cover body 3.
The utility model discloses further set up to: the outer sleeve body 1 is made of aluminum alloy.
By adopting the technical scheme, the aluminum alloy can meet the strength requirement, and has light weight and low cost.
The utility model discloses further set up to: the inner sleeve body 3 and the wear-resistant sheet 8 are both structures formed by sintering copper-based powder through powder metallurgy.
By adopting the technical scheme, powder metallurgy is taken as the prior technical process, and the inner sleeve body can be directly made into a plurality of holes, so that the requirement of a porous structure required by the inner sleeve body 3 in the design can be met.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, 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 (5)
1. The utility model provides a wear-resisting axle sleeve of gear oil pump, includes outer cover (1), is equipped with shaft hole (2) that two symmetries set up on outer cover (1), its characterized in that: still be equipped with the inner casing body (3) in the shaft hole (2), be equipped with open slot (4) on the lateral wall of the inner casing body (3), still be equipped with a plurality of bar stopper (5) that are the annular array and arrange on the outer wall of the inner casing body (3), be equipped with on the inner wall of shaft hole (2) a plurality of bar spacing grooves (6) with bar stopper (5) adaptation, the groove depth of bar spacing groove (6) is greater than the radial thickness of bar stopper (5), be equipped with a plurality of holes on the inner casing body (3), form the water conservancy diversion passageway between the adjacent hole, the periphery wall and the internal perisporium of the inner casing body (3) are communicate to the water.
2. The wear-resistant shaft sleeve of the gear oil pump as claimed in claim 1, wherein: one of the outer sleeve body (1) is provided with a first baffle ring (7) which is positioned in the shaft hole (2) and axially contradicts with the inner sleeve body (3), the other end of the outer sleeve body (1) is provided with a wear-resistant sheet (8), and the wear-resistant sheet (8) is provided with a second baffle ring (9) which is matched with the shaft hole (2) and axially contradicts with the inner sleeve body (3).
3. The wear-resistant shaft sleeve of the gear oil pump as claimed in claim 2, wherein: an oil storage tank (10) which is spirally arranged is arranged on the inner wall of the inner sleeve body (3).
4. The wear-resistant shaft sleeve of the gear oil pump as claimed in claim 3, wherein: the outer sleeve body (1) is made of aluminum alloy.
5. The wear-resistant shaft sleeve of the gear oil pump as claimed in claim 4, wherein: the inner sleeve body (3) and the wear-resistant sheet (8) are both structures formed by sintering copper-based powder through powder metallurgy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021318686.6U CN212615962U (en) | 2020-07-07 | 2020-07-07 | Wear-resisting shaft sleeve of gear oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021318686.6U CN212615962U (en) | 2020-07-07 | 2020-07-07 | Wear-resisting shaft sleeve of gear oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212615962U true CN212615962U (en) | 2021-02-26 |
Family
ID=74745451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021318686.6U Active CN212615962U (en) | 2020-07-07 | 2020-07-07 | Wear-resisting shaft sleeve of gear oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212615962U (en) |
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2020
- 2020-07-07 CN CN202021318686.6U patent/CN212615962U/en active Active
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