CN213116689U - Double-clutch transmission vane pump - Google Patents
Double-clutch transmission vane pump Download PDFInfo
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- CN213116689U CN213116689U CN202021238325.0U CN202021238325U CN213116689U CN 213116689 U CN213116689 U CN 213116689U CN 202021238325 U CN202021238325 U CN 202021238325U CN 213116689 U CN213116689 U CN 213116689U
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Abstract
The utility model relates to a two separation and reunion derailleur impeller pumps, including the pump body, pump cover, the pump cover is installed on the pump body and constitutes oil absorption chamber, oil return chamber and holding chamber with it, and oil absorption chamber and oil return chamber all are located the pump body lower part and with hold the chamber intercommunication, install rotor, stator and end cover in holding the chamber; the upper part of the stator is close to the inner wall of the top of the accommodating cavity, the lower part of the stator is far away from the inner wall of the bottom of the accommodating cavity, and a first oil inlet and a second oil inlet are formed in two sides of the stator; the oil return cavity is connected with the accommodating cavity through an oil guide groove, the oil guide groove is in a right-angle bent shape, the horizontal section is connected with the oil return cavity, and the vertical section is connected with the accommodating cavity; the stator is provided with a bulgeThe bulge is positioned at the lower part of the stator and just faces to the communicating part of the oil return cavity and the accommodating cavity, the oil passing sectional area of the oil guide groove is smaller than that of the oil return cavity, and the oil passing sectional area of the oil guide groove is 25mm2‑35mm2. The utility model discloses simple structure, the noise is low when using in two separation and reunion derailleurs.
Description
Technical Field
The utility model relates to a derailleur, concretely relates to two separation and reunion derailleur impeller pumps.
Background
For a traditional wet type dual-clutch transmission, a hydraulic execution system of the transmission comprises a filter, an oil pump, a hydraulic valve body, a gear shifting piston, a clutch and other components, wherein the oil pump is a power source of a hydraulic system, usually is a power load of an engine, a single mechanical pump can consume about 2% of engine torque, and the transmission has the defects of high rotating speed, high pressure, large flow, high energy consumption and the like. The transmission needs to be designed, so that the oil pump of the transmission can reduce the discharge capacity of the oil pump as much as possible on the basis of meeting the requirements of a system, the energy consumption of the oil pump is reduced to the maximum extent, and the transmission can obtain better economy.
The vane pump has two oil suction ports and two oil outlets, the rotor moves for a circle and is sucked and discharged twice, the rotor is superposed with the center of the pump body chamber, the leakage of the vane pump is small, the volume efficiency is high, the rotor is free from unbalance loading force, the friction pair area is small, the mechanical efficiency is high, the oil pump discharge capacity can be effectively reduced, the energy consumption of a hydraulic system is reduced, the vane pump is used in a double-clutch transmission, the energy consumption of the double-clutch transmission can be effectively reduced, the efficiency is improved, but when the vane pump is used in the double-clutch transmission, the great noise is easily generated, and the comfort of the transmission is influenced.
Therefore, it is an urgent technical problem to be solved by researchers to design a vane pump for use in a dual clutch transmission to improve efficiency and reduce noise.
Disclosure of Invention
The utility model aims at providing a satisfy the two separation and reunion derailleur impeller pumps of low noise simultaneously under the efficient condition, solve current impeller pump and use the problem that produces the noise, influence the derailleur travelling comfort in two separation and reunion derailleurs.
A two separation and reunion derailleur impeller pumps, including the pump body, pump cover, the pump cover is installed on the pump body and is absorbed oil chamber, returns oil chamber and holds the chamber rather than constituting, inhale oil chamber and return oil chamber all be located pump body lower part and with hold the chamber intercommunication, just inhale oil chamber and be located and hold under the chamber rather than vertical intercommunication, be equipped with first bearing on the pump cover, be provided with the second bearing on the pump body, first bearing and second bearing drive shaft free rotation.
The rotor, the stator and the end cover are arranged in the accommodating cavity, and the rotor is positioned in the stator and sleeved on the driving shaft; the upper part of the stator is close to the inner wall of the top of the accommodating cavity, the lower part of the stator is far away from the inner wall of the bottom of the accommodating cavity, and a first oil inlet and a second oil inlet which are communicated with the inside of the rotor are symmetrically arranged on two sides of the stator.
The end cover is provided with a first oil outlet and a second oil outlet which are communicated with the interior of the stator, the first oil outlet is connected with an oil inlet pipe of external equipment of the second oil outlet, the oil suction cavity and the oil return cavity are communicated with an oil outlet pipe of the external equipment, the oil return cavity is connected with the accommodating cavity through an oil guide groove, the oil guide groove is in a right-angle bent shape, the horizontal section is connected with the oil return cavity, and the vertical section is connected with the accommodating cavity; the stator is provided with a bulge, the bulge is positioned at the lower part of the stator and just faces to the communicating part of the oil return cavity and the accommodating cavity, the oil passing sectional area of the oil guide groove is smaller than that of the oil return cavity, and the oil passing sectional area of the oil guide groove is 25mm2-35mm2。
Furthermore, the oil passing sectional area of the flow guide cavity is 30mm2。
The utility model has the advantages that: because the oil guide groove bent in a right-angle shape is adopted, return oil in an oil return cavity of the oil guide groove vertically enters the accommodating cavity from the lower part of the accommodating cavity when entering the accommodating cavity, and because the lower part of the stator is provided with a bulge which is right opposite to the communicating part of the oil guide groove and the accommodating cavity, the return oil entering the accommodating cavity is uniformly divided into two parts which respectively enter the first oil inlet and the second oil inlet, and the negative pressure difference between the first oil inlet and the second oil inlet caused by uneven distribution of working oil is effectively reduced. Because the oil guide sectional area of the oil guide groove is smaller than that of the oil return cavity, the flow speed of the working oil entering the accommodating cavity is accelerated, the working oil flowing fast in the accommodating cavity can effectively pull the working oil in the oil suction cavity to enter the first oil inlet and the second oil inlet, meanwhile, the working oil flowing fast can also generate positive pressure, the negative pressure of the first oil inlet and the second oil inlet is reduced, the separation of bubbles in the working oil can be reduced, and when the bubbles are in the process of connecting a hydraulic system from the first oil outlet and the second oil outlet along with the working oil, the bubbles in the working oil can burst under the action of pressure. The utility model discloses a setting is led oil groove and protruding to have reduced the bubble and is appeared, effectively reduces the bubble sound of bursting, improves the noise performance, makes its double-clutch transmission vane pump reach the purpose of efficient, low noise.
Drawings
Fig. 1 is a front sectional view of the present invention.
Fig. 2 is a side view of the present invention.
In the figure: 1-pump body, 11-oil suction cavity, 12-oil return cavity, 121-oil guide groove, 13-accommodating cavity, 14-oil outlet, 15-oil return port and 16-second bearing;
2-pump cover, 21-first bearing;
3-drive shaft, 4-rotor;
5-a stator, 51-a first oil inlet, 52-a second oil inlet, 53-a protrusion;
6-end cover, 61-first oil outlet, 62-second oil outlet,
Detailed Description
The invention will be further described with reference to the accompanying drawings:
referring to fig. 1-2, a dual clutch transmission vane pump comprises a pump body 1 and a pump cover 2, wherein the pump cover 2 is mounted on the pump body 1 and forms an oil suction cavity 11, an oil return cavity 12 and a containing cavity 13 with the pump cover 2, the oil suction cavity 11 and the oil return cavity 12 are both located at the lower part of the pump body 1 and are communicated with the containing cavity 13, the oil suction cavity 11 is located under the containing cavity 13 and is vertically communicated with the containing cavity, namely, working oil in the oil suction cavity 11 vertically enters the containing cavity 13, the pump cover 2 is provided with a first bearing 21, the pump body 1 is provided with a second bearing 16, and the first bearing 21 and the second bearing 16 drive a drive shaft 3 to freely rotate;
the accommodating cavity 13 is internally provided with a rotor 4, a stator 5 and an end cover 6, wherein the rotor 4 is positioned inside the stator 5 and sleeved on the driving shaft 3; the upper part of the stator 5 is close to the inner wall of the top of the accommodating cavity 13, the lower part of the stator is far away from the inner wall of the bottom of the accommodating cavity 13, and a first oil inlet 51 and a second oil inlet 52 which are communicated with the inside of the rotor 4 are symmetrically arranged on two sides of the stator;
be provided with on the end cover 6 with the inside first oil-out 61 and the second oil-out 62 that communicate of stator 5, first oil-out 61 and second oil-out 62 are connected with external equipment's the oil pipe that advances, inhale oil chamber 11 and return oil chamber 12 and external equipment go out oil pipe intercommunication, external equipment is hydraulic system, just return oil pipe and return oil chamber 12 and pass through oil return port 15 on the pump body and connect.
The oil return cavity 12 is connected with the accommodating cavity 13 through an oil guide groove 121, the oil guide groove 121 is in a right-angle bending shape, a horizontal section is connected with the oil return cavity 12, and a vertical section is connected with the accommodating cavity 13, so that the oil return cavity 12 can vertically enter from the lower part of the accommodating cavity when the oil return cavity 12 works to enter the accommodating cavity 13. The stator 5 is provided with a bulge 53, the bulge 53 is positioned at the lower part of the stator 5 and is opposite to the communication part of the oil return cavity 12 and the accommodating cavity 13, the working oil entering the accommodating cavity 13 is uniformly divided into two parts by the bulge 53 and respectively enters the first oil inlet 50 and the second oil inlet 52, and the negative pressure difference of the first oil inlet 51 and the second oil inlet 52 caused by uneven distribution of the working oil is effectively reduced. The oil passing sectional area of the oil guide groove 121 is smaller than that of the oil return cavity 12, and the oil passing sectional area of the oil guide groove 121 is 25mm2-35mm2. The oil guiding sectional area of the oil guiding groove 121 is smaller than that of the oil return cavity 12, so that the flow speed of the working oil flowing into the accommodating cavity 13 from the oil guiding groove 121 is accelerated, the working oil flowing fast in the accommodating cavity 13 can effectively pull the working oil in the oil suction cavity 12 to enter the first oil inlet 51 and the second oil inlet 52, meanwhile, the working oil flowing fast can also generate positive pressure, the negative pressure of the first oil inlet 51 and the second oil inlet 52 is reduced, the separation of bubbles in the working oil can be reduced, and when the bubbles are connected with the hydraulic system from the first oil outlet 61 and the second oil outlet 62 along with the working oil, the bubbles can be generated in the process of connecting the hydraulic system from the first oil outlet 61 andthe bubbles in the working oil burst under pressure.
When the oil guide groove is arranged, the oil guide groove 121 and the communication position of the oil suction cavity 12 and the accommodating cavity 13 are both positioned at the bottom of the accommodating cavity 13, and return oil entering the accommodating cavity 13 can be divided into two uniform parts by the protrusion 53.
Further, the oil guiding groove 121 has an oil passing sectional area of 30mm2. The noise produced by this size of oil is minimal, subject to other conditions.
Claims (2)
1. A double-clutch transmission vane pump comprises a pump body (1) and a pump cover (2), wherein the pump cover (2) is installed on the pump body (1) and forms an oil suction cavity (11), an oil return cavity (12) and a containing cavity (13) with the pump cover, the oil suction cavity (11) and the oil return cavity (12) are both located at the lower portion of the pump body (1) and communicated with the containing cavity (13), the oil suction cavity (11) is located under the containing cavity (13) and vertically communicated with the containing cavity, a first bearing (21) is arranged on the pump cover (2), a second bearing (16) is arranged on the pump body (1), and the first bearing (21) and the second bearing (16) drive a driving shaft (3) to rotate freely;
a rotor (4), a stator (5) and an end cover (6) are arranged in the accommodating cavity (13), and the rotor (4) is positioned in the stator (5) and sleeved on the driving shaft (3); the upper part of the stator (5) is close to the inner wall of the top of the accommodating cavity (13), the lower part of the stator is far away from the inner wall of the bottom of the accommodating cavity (13), and a first oil inlet (51) and a second oil inlet (52) which are communicated with the inside of the rotor (4) are symmetrically arranged on two sides of the stator;
be provided with on end cover (6) with first oil-out (61) and second oil-out (62) of stator (5) inside intercommunication, first oil-out (61) and second oil-out (62) are connected with external equipment's oil inlet pipe, oil absorption chamber (11) and time oil return chamber (12) are connected with external equipment's play oil pipe, its characterized in that:
the oil return cavity (12) is connected with the accommodating cavity (13) through an oil guide groove (121), the oil guide groove (121) is in a right-angle bent shape, the horizontal section is connected with the oil return cavity (12), and the vertical section is connected with the accommodating cavity (13); the stator (5) is provided with a bulge (53), the bulge (53) is positioned at the lower part of the stator (5) and just faces to the communication position of the oil return cavity (12) and the accommodating cavity (13), and the oil passing sectional area of the oil guide groove (121)Is smaller than the oil passing sectional area of the oil return cavity (12), and the oil passing sectional area of the oil guide groove (121) is 25mm2-35mm2。
2. Double clutch transmission vane pump according to claim 1, characterized in that the oil-conducting groove (121) has an oil-through cross-sectional area of 30mm2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021238325.0U CN213116689U (en) | 2020-06-30 | 2020-06-30 | Double-clutch transmission vane pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021238325.0U CN213116689U (en) | 2020-06-30 | 2020-06-30 | Double-clutch transmission vane pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213116689U true CN213116689U (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021238325.0U Active CN213116689U (en) | 2020-06-30 | 2020-06-30 | Double-clutch transmission vane pump |
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| Country | Link |
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| CN (1) | CN213116689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638882A (en) * | 2021-08-13 | 2021-11-12 | 湖南机油泵股份有限公司 | Double-acting vane pump beneficial to high-speed filling |
-
2020
- 2020-06-30 CN CN202021238325.0U patent/CN213116689U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638882A (en) * | 2021-08-13 | 2021-11-12 | 湖南机油泵股份有限公司 | Double-acting vane pump beneficial to high-speed filling |
| CN113638882B (en) * | 2021-08-13 | 2023-02-24 | 湖南机油泵股份有限公司 | Double-acting vane pump beneficial to high-speed filling |
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