CN215927763U - Novel oil pump of self-lubricating axle sleeve - Google Patents
Novel oil pump of self-lubricating axle sleeve Download PDFInfo
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- CN215927763U CN215927763U CN202122356433.9U CN202122356433U CN215927763U CN 215927763 U CN215927763 U CN 215927763U CN 202122356433 U CN202122356433 U CN 202122356433U CN 215927763 U CN215927763 U CN 215927763U
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- oil pump
- oil
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- shaft sleeve
- lubricating
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Abstract
The utility model belongs to the technical field of oil pumps, and particularly relates to a novel oil pump with a self-lubricating shaft sleeve, which comprises an oil pump body, wherein a first self-lubricating shaft sleeve is arranged in the oil pump body, an oil pump shell is arranged at the upper end of the oil pump body, a metallurgical powder outer rotor is arranged in the oil pump shell, a metallurgical powder inner rotor is arranged in the metallurgical powder outer rotor, a second self-lubricating shaft sleeve is arranged in the oil pump shell, an oil pump shaft is arranged at the top of the oil pump shell, an oil pump oil suction opening and an oil pump oil outlet are formed in the oil pump body, a filtering oil inlet is formed in the oil pump body, and a pressure reducing valve is arranged on the oil pump body. According to the utility model, the copper shaft sleeve is modified into the self-lubricating shaft sleeve, so that the cost is saved and the bearing seizing phenomenon is avoided; the metal gear with the external teeth is modified into the internal teeth and the metallurgical powder gear, so that the cost is further saved; the whole surface of the oil pump is processed by a machine tool without polishing.
Description
Technical Field
The utility model relates to the technical field of oil pumps, in particular to a novel oil pump of a self-lubricating shaft sleeve.
Background
The oil pump is a light and compact pump and has three major types of in-line type, distribution type and monomer type; the oil pump can be operated only by a power source, and a camshaft at the lower part of the oil pump is driven by a crankshaft gear of the engine.
The existing oil pump needs manual scraping assembly when a copper shaft sleeve is assembled, and if the scraping assembly is not good, a bearing holding phenomenon sometimes occurs; the existing oil pump needs manual polishing, and is complex to operate; in order to solve the problems, the application provides a novel oil pump of a self-lubricating shaft sleeve.
SUMMERY OF THE UTILITY MODEL
Objects of the utility model
In order to solve the technical problems in the background art, the utility model provides a novel oil pump of a self-lubricating shaft sleeve, which modifies a copper shaft sleeve into the self-lubricating shaft sleeve, saves the cost and avoids the phenomenon of bearing seizing; the metal gear with the external teeth is modified into the internal teeth and the metallurgical powder gear, so that the cost is further saved; the whole surface of the oil pump is processed by a machine tool without polishing.
(II) technical scheme
In order to solve the technical problem, the utility model provides a novel oil pump with a self-lubricating shaft sleeve, which comprises an oil pump body, wherein a first self-lubricating shaft sleeve is arranged in the oil pump body, an oil pump shell is arranged at the upper end of the oil pump body, a metallurgical powder outer rotor is arranged in the oil pump shell, a metallurgical powder inner rotor is arranged in the metallurgical powder outer rotor, a second self-lubricating shaft sleeve is arranged in the oil pump shell, an oil pump shaft is arranged at the top of the oil pump shell, an oil pump oil suction opening and an oil pump oil outlet are formed in the oil pump body, a filtering oil inlet is formed in the oil pump body, and a pressure reducing valve is arranged on the oil pump body.
Preferably, a plurality of threaded holes are formed in the oil pump housing in a penetrating manner.
Preferably, the diameters of the oil suction port of the oil pump and the oil suction port after filtering are both m.
Preferably, the first self-lubricating shaft sleeve and the second self-lubricating shaft sleeve are made of copper materials.
Preferably, the oil suction port of the oil pump and the oil outlet of the oil pump are welded by copper tubes.
The technical scheme of the utility model has the following beneficial technical effects:
1. according to the utility model, the copper shaft sleeve is modified into the self-lubricating shaft sleeve, so that the cost is saved and the bearing seizing phenomenon is avoided.
2. The utility model further saves cost by modifying the metal gear with the external teeth into the internal teeth and the metallurgical powder gear.
3. The utility model is processed by a machine tool through the whole surface of the oil pump without grinding.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
fig. 3 is a partial structural schematic diagram of the present invention.
In the figure: the oil pump comprises an oil pump body 1, a first self-lubricating shaft sleeve 2, a metallurgical powder outer rotor 3, a metallurgical powder inner rotor 4, a second self-lubricating shaft sleeve 5, an oil pump shell 6, an oil pump shaft 7, a pressure reducing valve 8, an oil pump oil suction opening 9, an oil pump oil outlet 10 and a filtering oil inlet 11.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description.
As shown in fig. 1, 2 and 3, the novel oil pump with the self-lubricating shaft sleeve provided by the utility model comprises an oil pump body 1, wherein a first self-lubricating shaft sleeve 2 is arranged in the oil pump body 1, an oil pump shell 6 is installed at the upper end of the oil pump body 1, a plurality of threaded holes are formed in the oil pump shell 6 in a penetrating manner, and the novel oil pump with the self-lubricating shaft sleeve can be fixed through the matching of bolts and the threaded holes.
The metallurgical powder outer rotor 3 is installed in the oil pump shell 6, the metallurgical powder inner rotor 4 is arranged in the metallurgical powder outer rotor 3, and oil of the oil pump oil suction port 9 and the filtered oil inlet 11 is conveyed to the oil pump oil outlet 10 and then discharged through the internal and external meshing action of the metallurgical powder outer rotor 3 and the metallurgical powder inner rotor 4.
The oil pump is characterized in that a second self-lubricating shaft sleeve 5 is arranged in an oil pump shell 6, the first self-lubricating shaft sleeve 2 and the second self-lubricating shaft sleeve 5 are made of copper materials, lubricating oil in the gap can pass through the gap between an oil pump shaft 7 and the first self-lubricating shaft sleeve 2 and the second self-lubricating shaft sleeve 5 in the rotating process, the lubricating oil in the gap forms a hard film due to the rotation of the oil pump shaft 7, the oil pump shaft 7 and the two self-lubricating shaft sleeves are not abraded due to mutual friction, the service life of the oil pump is prolonged, the oil pump shaft 7 is installed at the top of the oil pump shell 6, a motor is externally connected with the oil pump shaft 7 and drives the oil pump shaft 7 to rotate through the output end of the motor, an oil pump oil suction port 9 and an oil pump oil outlet 10 are arranged on the oil pump body 1, the oil pump oil suction port 9 and the oil pump oil outlet 10 are both welded by copper tubes, a filtering oil port 11 is arranged on the oil pump body 1, and the diameters of the oil suction port 9 and the filtering oil port 11 are both 31mm, the pressure reducing valve 8 is installed on the oil pump body 1, and danger caused by overlarge internal oil pressure is avoided.
The working principle and the using process of the utility model are as follows: when the oil pump works, the oil pump shaft 7 rotates anticlockwise to drive the metallurgical powder outer rotor 3 and the metallurgical powder inner rotor 4 to rotate, and oil of the oil pump oil suction port 9 and the filtered oil inlet 11 is conveyed to the oil pump oil outlet 10 and then supplied with proper oil due to the meshing effect of the inner and the outer parts.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (5)
1. The utility model provides a novel oil pump of self-lubricating axle sleeve, includes oil pump body (1), its characterized in that, be equipped with first self-lubricating axle sleeve (2) in oil pump body (1), oil pump housing (6) are installed to the upper end of oil pump body (1), install metallurgical powder external rotor (3) in the oil pump housing (6), be equipped with metallurgical powder inner rotor (4) in metallurgical powder external rotor (3), be equipped with second self-lubricating axle sleeve (5) in the oil pump housing (6), oil pump shaft (7) are installed at the top of oil pump housing (6), be equipped with oil pump oil absorption mouth (9) and oil pump oil-out (10) on oil pump body (1), be equipped with hydraulic fluid port (11) after filtering on oil pump body (1), install relief pressure valve (8) on oil pump body (1).
2. The new type of oil pump with self-lubricating shaft sleeve as set forth in claim 1, characterized in that a plurality of threaded holes are provided through the housing (6) of the oil pump.
3. The novel oil pump with self-lubricating shaft sleeve as claimed in claim 1, wherein the oil suction port (9) and the oil outlet (11) of the oil pump have a diameter of 31 mm.
4. The new type of oil pump of self-lubricating shaft sleeve according to claim 1, characterized in that the materials of the first self-lubricating shaft sleeve (2) and the second self-lubricating shaft sleeve (5) are both copper materials.
5. The novel oil pump with self-lubricating shaft sleeve as claimed in claim 1, wherein the oil suction port (9) and the oil outlet (10) are welded with copper tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122356433.9U CN215927763U (en) | 2021-09-28 | 2021-09-28 | Novel oil pump of self-lubricating axle sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122356433.9U CN215927763U (en) | 2021-09-28 | 2021-09-28 | Novel oil pump of self-lubricating axle sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215927763U true CN215927763U (en) | 2022-03-01 |
Family
ID=80415075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122356433.9U Active CN215927763U (en) | 2021-09-28 | 2021-09-28 | Novel oil pump of self-lubricating axle sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215927763U (en) |
-
2021
- 2021-09-28 CN CN202122356433.9U patent/CN215927763U/en active Active
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