CN216667230U - Can realize electrically driving lubricating oil pump of lubricating oil cooling function - Google Patents
Can realize electrically driving lubricating oil pump of lubricating oil cooling function Download PDFInfo
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- CN216667230U CN216667230U CN202122725764.5U CN202122725764U CN216667230U CN 216667230 U CN216667230 U CN 216667230U CN 202122725764 U CN202122725764 U CN 202122725764U CN 216667230 U CN216667230 U CN 216667230U
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- oil pump
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Abstract
The utility model belongs to the technical field of electrically-driven lubricating oil pumps, and particularly relates to an electrically-driven lubricating oil pump capable of achieving a lubricating oil cooling function. The method comprises the following steps: the lubricating oil pump comprises a lubricating oil pump and a motor, wherein a transmission shaft of the lubricating oil pump is in splined connection with a rotor assembly of the motor, a first graphite bearing and a second graphite bearing are respectively arranged on a left shell rib plate and a right end cover of the motor, two ends of the rotor assembly are supported by the first graphite bearing and the second graphite bearing, an oil hole is formed in the shell rib plate, an oil hole bottom partition plate of the lubricating oil pump is sleeved on the transmission shaft through a sliding bearing, and an inclined lubricating hole is formed in the oil hole bottom partition plate and the sliding bearing. High-pressure lubricating oil flows to the inlet of the lubricating oil pump through the lubricating oil pump and the internal flow passage of the motor in a circulating mode through the lubricating oil outlet, so that the bearing is lubricated, the heat of the motor is taken away, the temperature of the motor is reduced, and the service lives of the bearing and the motor are prolonged.
Description
Technical Field
The utility model belongs to the technical field of electrically-driven lubricating oil pumps, and particularly relates to an electrically-driven lubricating oil pump capable of achieving a lubricating oil cooling function.
Background
The motor of the existing electrically-driven lubricating oil pump is not communicated with the pump body, the motor needs to be radiated by a self-body or a fan, the radiating efficiency is low, and the service life of the electrically-driven lubricating oil pump is influenced.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: the electrically-driven lubricating oil pump capable of achieving the lubricating oil cooling function utilizes a lubricating oil medium to flow through the interior of the motor, so that the working temperature of the motor is reduced.
The technical scheme is as follows:
an electrically driven lubricating oil pump capable of achieving a lubricating oil cooling function comprises: the lubricating oil pump 1 and the motor 8, a transmission shaft 9 of the lubricating oil pump 1 is in splined connection with a rotor assembly 18 of the motor 8, a first graphite bearing 22 and a second graphite bearing 23 are respectively arranged on a left side shell rib plate 16 and a right side end cover 19 of the motor 8, two ends of the rotor assembly 18 are supported by the first graphite bearing 22 and the second graphite bearing 23, an oil through hole 24 is arranged on the shell rib plate 16, an oil well hole bottom partition plate 5 of the lubricating oil pump 1 is sleeved on the transmission shaft 9 through a sliding bearing 6, an inclined lubricating hole 14 is arranged on the oil well hole bottom partition plate 5 and the sliding bearing 6, the inclined lubricating hole 14 introduces the lubricating oil at an outlet into the matching surface of the sliding bearing 6 and the transmission shaft 9, the lubricating oil axially flows to the splined connection position of the transmission shaft 9 of the lubricating oil pump 1 and the rotor assembly 18 of the motor 8, the connection surface of the lubricating oil pump 1 and the motor 8 and the first graphite bearing 22 along the matching surface of the transmission shaft 9 and the sliding bearing 6, enters the gap between the stator assembly 17 and the motor shell through the oil passing hole 24 and the first graphite bearing 22, and passes through the second graphite bearing 23, the central through hole of the rotor assembly 18 and the central through hole of the transmission shaft 9 to the inlet of the lubricating oil pump 1.
Further, the right side of the lubricating oil pump 1 is connected with the left side of the motor 8 through a flange face bolt, and a first sealing ring 7 is arranged on the flange face to prevent oil leakage.
Further, a second sealing ring 20 is arranged at the joint of the end cover 19 and the shell of the motor 8.
Further, the oblique lubrication hole 14 is located in the high pressure area of the oil on the bottom partition 5 of the oil well.
Further, a straight lubrication hole 4 is formed in the low-pressure area of lubricating oil of the oil well hole bottom partition plate 5, and return oil flows to the inlet of the lubricating oil pump 1 through the transmission shaft central through hole and the straight lubrication hole.
Further, the area of the inlet on the lubricating oil pump shell is larger than the area of the outlet.
The utility model has the technical effects that: the high-pressure lubricating oil at the lubricating oil outlet flows to the inlet of the lubricating oil pump in a circulating mode through the lubricating oil pump and the internal flow channel of the motor, so that the bearing is lubricated, the heat of the motor is taken away, the temperature of the motor is reduced, and the service lives of the bearing and the motor are prolonged.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a cross-sectional view of the motor;
FIG. 4 is a cross-sectional view of the rotating assembly;
fig. 5 is a cross-sectional view of a bottom bulkhead of a well bore.
The lubricating oil pump comprises a lubricating oil pump 1, a mounting seat 2, a rotating assembly 3, a straight lubricating hole 4, a well hole bottom partition plate 5, a sliding bearing 6, a first sealing ring 7, a motor 8, a transmission shaft 9, a retainer ring 10, a plate 11, a butterfly spring 12, a retainer ring for a shaft 13, an inclined lubricating hole 14, a transmission pin 15, a shell rib plate 16, a stator assembly 17, a rotor assembly 18, an end cover 19, a second sealing ring 20, a socket 21, a first graphite bearing 22, a second graphite bearing 23 and an oil passing hole 24.
Detailed Description
This product optimizes lubricating oil pump transmission shaft and runner, makes the interior lubricating oil of lubricating oil pump flow through the motor, takes away the motor heat, plays the cooling action.
The utility model is further illustrated with reference to the following figures and examples.
Referring to fig. 1-5, an electrically driven lubricating oil pump capable of cooling lubricating oil comprises a lubricating oil pump 1 and a motor 8, wherein the right side of the lubricating oil pump 1 is connected with the left side of the motor 8 through a flange surface which is provided with a first sealing ring 7 to prevent oil leakage, the lower side of the motor 8 is provided with a mounting seat 2, an oil well hole bottom partition plate 5, a rotating component 3, a disc spring 12 and a retainer ring 10 are arranged in an oil well hole of a lubricating oil pump shell from left to right, the parts in the oil well hole are pressed from right to left by the disc spring 12 and the retainer ring 10, a sliding bearing 6 is arranged on the oil well hole bottom partition plate 5 to support a transmission shaft 9, the oil well hole bottom partition plate 5 and the lubricating oil bearing 6 are provided with inclined lubricating holes 14 in a high-pressure area, a straight lubricating hole 4 is arranged in a low-pressure area, a shaft retainer ring 13 is arranged on the transmission shaft 9 to prevent the transmission shaft 9 from moving in the axial direction, and the shaft retainer ring 13 is arranged on the left and right sides of the rotating component 3, transmission shaft 9 is last to be ann has drive pin 15 to drive rotating assembly 3 and rotates, the completion is to the suction of lubricating oil, there is internal spline and 18 outer spline cooperations of motor rotor subassembly on the transmission shaft 9 right side, accomplish the transmission, transmission shaft 9 and rotor subassembly 18 have the through-hole in the axial, open the oilhole 24 of crossing that has left right direction on the motor casing floor 16, ann has first graphite bearing 22 between 16 holes of casing floor and the rotor subassembly 18, motor casing right side end surface cooperation has end cover 19, and be equipped with second sealing washer 20 between it and prevent that the lubricating oil from leaking, end cover 19 right side ann has socket 21, motor casing, end cover 19 and socket 21 are fixed through left right direction bolt and nut.
Part of the high-pressure oil lubrication sliding bearing 6, the first graphite bearing 22 and the second graphite bearing 23 are led out from the outlet of the lubricating oil pump 1, take away the heat of the motor 8 and finally flow back to the inlet of the lubricating oil pump 1.
The area of the inlet on the lubricating oil pump shell is larger than that of the outlet.
When the lubricating device is used, a product is fixed through the motor mounting seat 2, the motor socket 21 is electrified, the rotor assembly 18 drives the lubricating oil pump transmission shaft 9 to rotate through the spline, the transmission shaft 9 drives the transmission pin 15, the transmission pin 15 drives the rotating assembly 3 to rotate, the rotating assembly 3 finishes oil absorption at the inlet and discharges oil at the outlet, the lubricating oil at the outlet flows to the spline matching part along the outer surface of the transmission shaft 9 through the inclined lubricating hole 14 to lubricate the spline after lubricating the sliding bearing 6, continues to flow to the gap between the stator assembly 17 and the motor shell through the first graphite bearing 22 and the oil hole 24 on the ribbed plate 16 of the shell, then flows to the second graphite bearing 23 to lubricate the sliding bearing, then flows back to the through hole in the transmission shaft 9 through the through hole in the rotor assembly 18, flows back to the inlet of the lubricating oil pump through the straight lubricating hole 5 at the bottom of the oil well hole to finish the circulation of oil, and lubricates the sliding bearing 6 and the first graphite bearing 22, And a second graphite bearing 23 for reducing the temperature of the motor 8.
Claims (6)
1. The utility model provides a can realize that electricity of lubricating oil cooling function drives lubricating oil pump which characterized in that includes: the lubricating oil pump comprises a lubricating oil pump (1) and a motor (8), a transmission shaft (9) of the lubricating oil pump (1) is in splined connection with a rotor assembly (18) of the motor (8), a left side shell rib plate (16) and a right side end cover (19) of the motor (8) are respectively provided with a first graphite bearing (22) and a second graphite bearing (23), two ends of the rotor assembly (18) are supported by the first graphite bearing (22) and the second graphite bearing (23), an oil hole (24) is formed in the shell rib plate (16), an oil hole bottom partition plate (5) of the lubricating oil pump (1) is sleeved on the transmission shaft (9) through a sliding bearing (6), an inclined lubricating hole (14) is formed in the oil hole bottom partition plate (5) and the sliding bearing (6), the lubricating oil at an outlet is led into the matching surface of the sliding bearing (6) and the transmission shaft (9) through the inclined lubricating hole (14), and the lubricating oil axially flows to the transmission shaft (9) of the lubricating oil pump (1) and the motor (8) along the matching surface of the transmission shaft (9) and the sliding bearing (6) The spline connection part of the rotor assembly (18), the connection surface of the lubricating oil pump (1) and the motor (8) and the first graphite bearing (22) enter the gap between the stator assembly (17) and the motor shell through the oil passing hole (24) and the first graphite bearing (22), and the gap is connected to the inlet of the lubricating oil pump (1) through the second graphite bearing (23), the central through hole of the rotor assembly (18) and the central through hole of the transmission shaft (9).
2. The electrically-driven lubricating oil pump capable of achieving the lubricating oil cooling function according to claim 1, wherein the right side of the lubricating oil pump (1) is connected with the left side of the motor (8) through a flange face bolt, and the flange face is provided with a first sealing ring (7) to prevent oil leakage.
3. The electrically-driven lubricating oil pump capable of achieving the lubricating oil cooling function according to claim 1, characterized in that a second sealing ring (20) is arranged at the joint of the end cover (19) and the shell of the motor (8).
4. The electric-driven lubricating oil pump capable of achieving the lubricating oil temperature reduction function according to claim 1, characterized in that the inclined lubricating hole (14) is located in a lubricating oil high-pressure area of the bottom partition plate (5) of the oil well hole.
5. The electric-driven lubricating oil pump capable of achieving the lubricating oil temperature reduction function according to claim 1, is characterized in that a lubricating oil low-pressure area of the oil well hole bottom partition plate (5) is provided with a straight lubricating hole (4), and the return oil flows to an inlet of the lubricating oil pump (1) through the transmission shaft central through hole and the straight lubricating hole.
6. The electric-driven lubricating oil pump capable of achieving a lubricating oil cooling function of claim 1, wherein an inlet area on the lubricating oil pump housing is larger than an outlet area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122725764.5U CN216667230U (en) | 2021-11-05 | 2021-11-05 | Can realize electrically driving lubricating oil pump of lubricating oil cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122725764.5U CN216667230U (en) | 2021-11-05 | 2021-11-05 | Can realize electrically driving lubricating oil pump of lubricating oil cooling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216667230U true CN216667230U (en) | 2022-06-03 |
Family
ID=81781702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122725764.5U Active CN216667230U (en) | 2021-11-05 | 2021-11-05 | Can realize electrically driving lubricating oil pump of lubricating oil cooling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216667230U (en) |
-
2021
- 2021-11-05 CN CN202122725764.5U patent/CN216667230U/en active Active
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