CN210398346U - Same-end-face oil inlet and outlet electronic oil pump - Google Patents
Same-end-face oil inlet and outlet electronic oil pump Download PDFInfo
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- CN210398346U CN210398346U CN201921059615.6U CN201921059615U CN210398346U CN 210398346 U CN210398346 U CN 210398346U CN 201921059615 U CN201921059615 U CN 201921059615U CN 210398346 U CN210398346 U CN 210398346U
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- oil inlet
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Abstract
The utility model relates to a with terminal surface business turn over oil electronic machine oil pump, which comprises a pump body, pump body upper portion is provided with the cavity, pump body upper end is provided with the pump cover that covers the cavity, be provided with inner rotor and the external rotor of inner gearing in the cavity, pump body bottom is provided with the motor, the output transmission of motor is connected with a pivot, the pivot is passed pump body bottom and is got into the cavity and order about the inner rotor and rotate. The device adopts internal meshing, has large meshing coefficient, stable transmission, compact structure and low production cost, and ensures the service life of the pump body by integral mechanical lubrication.
Description
Technical Field
The utility model belongs to the pump field especially relates to a with terminal surface business turn over oil electronic machine oil pump.
Background
The cycloid gear pump utilizes the change of the interdental seal volume to realize oil absorption and pressure oil, and an oil inlet and an oil outlet of the cycloid gear pump in the prior art are mostly arranged on the side surface of the oil pump, so that the cycloid gear pump is generally arranged on the outer side of equipment and needs to be communicated through an oil inlet pipe and an oil outlet pipe when in use, the compactness and the attractiveness of the applied equipment can be influenced to a certain extent, and one more pipeline which is used in connection with the oil pump can increase some unstable factors for the use of the oil pump. And because the rotating shaft rotates at a high speed for a long time in the pump, the joint of the pump and the rotating shaft is seriously abraded, and the service life of equipment is influenced.
Disclosure of Invention
In view of the above, it is necessary to provide an oil pump for an electronic machine with oil inlet and outlet on the same end surface, which has a large meshing coefficient, smooth transmission, compact structure and low production cost.
In order to solve the technical problem, the technical scheme of the utility model is that: an oil pump of an electronic machine with oil inlet and outlet on the same end face comprises a pump body, wherein a cavity is arranged on the upper portion of the pump body, a pump cover for covering the cavity is arranged on the upper end of the pump body, an inner rotor and an outer rotor which are meshed with each other are arranged in the cavity, a motor is arranged at the bottom of the pump body, the output end of the motor is connected with a rotating shaft in a transmission mode, the rotating shaft penetrates through the bottom of the pump body to enter the cavity and drive the inner rotor to rotate, the upper end of the rotating shaft is embedded into the; the bottom is provided with two waist type grooves in the pump cover, and parallel arrangement has into, goes out oil circuit on a lateral wall of pump cover, it connects waist type groove respectively to advance, go out oil circuit.
Furthermore, a copper shaft sleeve is also arranged on the side wall of the joint of the rotating shaft and the pump body.
Furthermore, a connecting plate is arranged on the side wall of the pump cover, which is provided with the oil inlet and the oil outlet, and a locking hole is arranged on the connecting plate.
Furthermore, be provided with the recess that is used for placing snap ring and skeleton oil blanket on the pump body, snap ring and skeleton oil blanket cover are established in the pivot.
Further, the eccentricity between the center of the inner rotor and the center of the outer rotor is 2.5 mm.
Furthermore, the oil inlet and outlet paths are vertical to the oil inlet and outlet directions of the cavity.
Compared with the prior art, the utility model discloses following beneficial effect has: the oil inlet and outlet way is arranged on the same end face, the structure is simple and compact, the inner gearing is adopted, the meshing coefficient is large, the transmission is stable, the radial force borne by the rotating shaft is small, the production cost is low, the whole mechanical lubrication in the pump body is realized, and the service life is ensured.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is the structural schematic diagram of the pump cover in the embodiment of the present invention.
Fig. 4 is an exploded view of a pump part in an embodiment of the present invention.
Fig. 5 is a perspective view of the pump body in the embodiment of the present invention.
Fig. 6 is a schematic view of the installation of the inner and outer rotors in the embodiment of the present invention.
In the figure: 1-motor, 11-rotating shaft, 12-copper shaft sleeve, 13-skeleton oil seal, 14-snap ring, 2-pump body, 21-cavity, 22-inner rotor, 23-outer rotor, 24-sealing ring, 25-groove, 3-pump cover, 31-oil inlet, 32-oil outlet, 33-waist-shaped groove, 34-fastening screw, 4-connecting plate and 41-lockhole.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1-5, an oil pump of an electronic machine with oil inlet and outlet on the same end surface comprises a pump body 2, wherein a cavity 21 is arranged on the upper part of the pump body, a pump cover 3 for covering the cavity is arranged on the upper end of the pump body, an inner rotor 22 and an outer rotor 23 which are internally engaged are arranged in the cavity, a motor 1 is arranged at the bottom of the pump body, the output end of the motor is in transmission connection with a rotating shaft 11, the rotating shaft penetrates through the bottom of the pump body to enter the cavity and drive the inner rotor to rotate, the upper end of the rotating shaft is embedded into the bottom in the; the bottom in the pump cover is provided with two waist-shaped grooves 33, one side wall of the pump cover is provided with an oil inlet path and an oil outlet path (31, 32) in parallel, and the oil inlet path and the oil outlet path are respectively connected with the waist-shaped grooves.
In this embodiment, a copper bush 12 is also disposed on the side wall of the connection between the rotating shaft and the pump body. The copper bush is used for increasing the wear resistance and prolonging the service life of the oil pump.
In this embodiment, a seal ring 24 is disposed between the pump body and the pump cover.
In this embodiment, the pump cover is locked to the pump body by fastening screws 34.
In this embodiment, the pump cover is provided with a connecting plate 4 on the side wall of the oil inlet and outlet, and the connecting plate is provided with three locking holes 41 so as to directly lock the oil pump on the transmission case. The connecting plate and the pump cover are integrally manufactured.
In this embodiment, be provided with the recess 25 that is used for placing snap ring 14 and skeleton oil blanket 13 on the pump body, snap ring and skeleton oil blanket cover are established in the pivot, and the snap ring supports skeleton oil blanket top, avoids it to drop.
In this embodiment, as shown in fig. 6, the eccentricity between the center of the inner rotor and the center of the outer rotor is 2.5 mm.
In this embodiment, the oil inlet and outlet paths are perpendicular to the oil inlet and outlet directions of the chamber.
In this embodiment, the PCB is disposed on the rear cover of the motor, and the output power and the rotation speed of the motor can be controlled, so as to control the output pressure and the flow of the oil pump.
By the design method
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a with terminal surface business turn over oil electronic machine oil pump which characterized in that: the pump comprises a pump body, wherein a cavity is arranged at the upper part of the pump body, a pump cover for covering the cavity is arranged at the upper end of the pump body, an inner rotor and an outer rotor which are internally meshed are arranged in the cavity, a motor is arranged at the bottom of the pump body, the output end of the motor is connected with a rotating shaft in a transmission manner, the rotating shaft penetrates through the bottom of the pump body to enter the cavity and drive the inner rotor to rotate, the upper end of the rotating shaft is embedded into the bottom in the pump cover, and; the bottom is provided with two waist type grooves in the pump cover, and parallel arrangement has into, goes out oil circuit on a lateral wall of pump cover, it connects waist type groove respectively to advance, go out oil circuit.
2. The oil pump of the same-end-face oil inlet and outlet electronic machine as claimed in claim 1, wherein: and a copper shaft sleeve is also arranged on the side wall of the joint of the rotating shaft and the pump body.
3. The oil pump of the same-end-face oil inlet and outlet electronic machine as claimed in claim 1, wherein: the pump cover is provided with the connecting plate on the lateral wall of oil inlet, oil outlet department, be provided with the lockhole on the connecting plate.
4. The oil pump of the same-end-face oil inlet and outlet electronic machine as claimed in claim 1, wherein: the pump body is provided with a groove for placing a clamping ring and a framework oil seal, and the clamping ring and the framework oil seal sleeve are arranged on the rotating shaft.
5. The oil pump of the same-end-face oil inlet and outlet electronic machine as claimed in claim 1, wherein: the eccentricity between the center of the inner rotor and the center of the outer rotor is 2.5 mm.
6. The oil pump of the same-end-face oil inlet and outlet electronic machine as claimed in claim 1, wherein: the oil inlet and outlet paths are vertical to the oil inlet and outlet directions of the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921059615.6U CN210398346U (en) | 2019-07-09 | 2019-07-09 | Same-end-face oil inlet and outlet electronic oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921059615.6U CN210398346U (en) | 2019-07-09 | 2019-07-09 | Same-end-face oil inlet and outlet electronic oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210398346U true CN210398346U (en) | 2020-04-24 |
Family
ID=70353529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921059615.6U Active CN210398346U (en) | 2019-07-09 | 2019-07-09 | Same-end-face oil inlet and outlet electronic oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210398346U (en) |
-
2019
- 2019-07-09 CN CN201921059615.6U patent/CN210398346U/en active Active
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