CN211693487U - Hydraulic gear shifting mechanism - Google Patents
Hydraulic gear shifting mechanism Download PDFInfo
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- CN211693487U CN211693487U CN202020416737.2U CN202020416737U CN211693487U CN 211693487 U CN211693487 U CN 211693487U CN 202020416737 U CN202020416737 U CN 202020416737U CN 211693487 U CN211693487 U CN 211693487U
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Abstract
The utility model discloses a hydraulic gear shifting mechanism, which comprises a valve body and a gear shifting execution assembly positioned below the valve body, wherein one end surface of the valve body is provided with a first valve group, the other end surface of the valve body is provided with a second valve group, the top surface of the valve body is provided with an oil outlet correspondingly connected with the first valve group and the second valve group, and one side surface of the valve body is provided with a first oil drainage hole, an oil inlet hole, a second oil drainage hole and a third oil drainage hole; the gear shifting execution assembly comprises a first cavity and a second cavity which are arranged in parallel, a first through hole and a second through hole are formed in the two ends of the first cavity respectively, a first piston is arranged between the first through hole and the second through hole, the middle of the first piston is connected with a first shifting fork, a third through hole and a fourth through hole are formed in the two ends of the second cavity respectively, a second piston is arranged between the third through hole and the fourth through hole, and the middle of the second piston is connected with a second shifting fork. The utility model adopts the above structure hydraulic pressure gearshift, simple structure is reasonable, makes the action of shifting more convenient and fast.
Description
Technical Field
The utility model relates to an electric automobile gearshift technical field especially relates to a hydraulic pressure gearshift.
Background
With the rise and development of the electric automobile industry, an electric automobile becomes a common vehicle when people go out. Most of electric automobile is single speed ratio transmission, can only pass through the slew velocity control vehicle speed of motor promptly, can not cross and regulate and control through the rotational speed ratio, can not satisfy current national conditions road conditions and commercial car full load operation, for solving this problem, the technical staff in the art adds the gearbox usually and drives the vehicle, improves the operating performance of car, but the gearbox adopts manual shift's control mode usually, the operation of shifting gears of the navigating mate of not being convenient for.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hydraulic pressure gearshift, simple structure is reasonable, makes the action of shifting more convenient and fast.
In order to achieve the above purpose, the utility model provides a hydraulic gear shifting mechanism, which comprises a valve body and a gear shifting executing component positioned below the valve body, a first valve group is arranged on one end surface of the valve body, a second valve group is arranged on the other end surface of the valve body, the top surface of the valve body is provided with an oil outlet which is correspondingly connected with the first valve group and the second valve group, a first oil drain hole, an oil inlet hole, a second oil drain hole and a third oil drain hole which are arranged in parallel are arranged on one side surface of the valve body, the oil inlet hole is sequentially connected with the first valve group and the second valve group through oil supply ducts, the first oil drain hole is connected with the first valve group through a first oil drain duct, the second oil drainage hole is connected with the first valve group and the second valve group through a second oil drainage oil duct, and the third oil drainage hole is connected with the second valve group through a third oil drainage oil duct;
the gear shifting execution assembly comprises a first cavity and a second cavity which are arranged side by side, wherein a first through hole and a second through hole are formed in the two ends of the first cavity respectively, a first piston is arranged between the first through hole and the second through hole, the middle of the first piston is perpendicularly connected with a first shifting fork, a third through hole and a fourth through hole are formed in the two ends of the second cavity respectively, a second piston is arranged between the third through hole and the fourth through hole, and the middle of the second piston is perpendicularly connected with the second shifting fork.
Preferably, the first valve bank and the second valve bank are arranged in a staggered mode, the first valve bank comprises a clutch solenoid valve, a four-gear solenoid valve and a three-gear solenoid valve, and the second valve bank comprises a first-gear solenoid valve and a second-gear solenoid valve.
Preferably, the oil outlet includes first oil outlet, second oil outlet, third oil outlet, fourth oil outlet and fifth oil outlet, first oil outlet with the clutch solenoid valve is connected, the second oil outlet with the fourth fender solenoid valve is connected, the third oil outlet with the third keeps off the solenoid valve and connects, the fourth oil outlet with keep off the solenoid valve and connect, the fifth oil outlet with one keeps off the solenoid valve and connects.
Preferably, the first through hole is connected with the fifth oil outlet, the second through hole is connected with the fourth oil outlet, the third through hole is connected with the third oil outlet, and the fourth through hole is connected with the second oil outlet.
Preferably, the clutch solenoid valve, one keep off the solenoid valve, two keep off the solenoid valve, three keep off the solenoid valve with four keep off the solenoid valve and all include a hole, two holes, three holes, four holes and five holes, a hole with second draining oil duct connection, two holes with the oil outlet corresponds and is connected, three holes with four holes all with the oil supply oil duct is connected, five holes and first draining oil duct or third draining oil duct connection.
Therefore, the utility model adopts the above structure hydraulic pressure gearshift, simple structure is reasonable, makes the action of shifting more convenient and fast.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic illustration of a front view of an embodiment of a hydraulic shifting mechanism of the present invention;
FIG. 2 is a schematic diagram of a side view of an embodiment of the hydraulic shifting mechanism of the present invention;
fig. 3 is a schematic diagram of a top view of an embodiment of the hydraulic shifting mechanism of the present invention.
Reference numerals
1. A valve body; 2. a first valve block; 21. a clutch solenoid valve; 22. a fourth-gear electromagnetic valve; 23. a three-gear electromagnetic valve; 3. a second valve block; 31. a first-gear electromagnetic valve; 32. a second-level electromagnetic valve; 4. an oil outlet hole; 41. A first oil outlet hole; 42. a second oil outlet hole; 43. a third oil outlet; 44. a fourth oil outlet; 45. a fifth oil outlet; 5. a first oil drainage hole; 6. an oil inlet hole; 7. a second oil drainage hole; 8. a third oil drainage hole; 9. An oil supply duct; 10. a first oil drainage duct; 11. a second oil drainage duct; 12. a third oil drainage duct; 13. A first cavity; 14. a second cavity; 15. a third through hole; 16. a fourth via hole; 17. a second piston; 18. and a second fork.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
FIG. 1 is a schematic illustration of a front view of an embodiment of a hydraulic shifting mechanism of the present invention; FIG. 2 is a schematic diagram of a side view of an embodiment of the hydraulic shifting mechanism of the present invention; fig. 3 is the schematic diagram of the top view of the embodiment of the hydraulic pressure gearshift of the utility model, as shown, a hydraulic pressure gearshift, including valve body 1 and the execution of shifting subassembly that is located valve body 1 below, a terminal surface of valve body 1 is equipped with first valves 2, and another terminal surface of valve body 1 is equipped with second valves 3, and first valves 2 includes clutch solenoid valve 21, four keep off solenoid valve 22 and three keep off solenoid valve 23, and second valves 3 includes that one keeps off solenoid valve 31 and two keep off solenoid valve 32. The first valve group 2 and the second valve group 3 are arranged in a staggered mode, and the volume of the valve body 1 can be reduced by the staggered mode. The top surface of valve body 1 is equipped with the oil outlet 4 who corresponds the connection with first valves 2 and second valves 3, oil outlet 4 includes first oil outlet 41, second oil outlet 42, third oil outlet 43, fourth oil outlet 44 and fifth oil outlet 45, first oil outlet 41 is connected with clutch solenoid valve 21, second oil outlet 42 keeps off solenoid valve 22 with four and is connected, third oil outlet 43 keeps off solenoid valve 23 with three and is connected, fourth oil outlet 44 keeps off solenoid valve 32 with keeping off and is connected, fifth oil outlet 45 keeps off solenoid valve 31 with one and is connected. The oil outlet 4 is used for conveying oil in the oil passage of the valve body 1 to the gear shifting execution assembly.
One side of valve body 1 is equipped with first draining hole 5, inlet port 6, second draining hole 7 and the third draining hole 8 that sets up side by side, and inlet port 6 is connected with first valves 2 and second valves 3 in proper order through oil supply duct 9, and oil supply duct 9 is used for carrying fluid to first valves 2 and second valves 3. First draining hole 5 is connected with first valves 2 through first draining oil duct 10, and second draining hole 7 is connected with first valves 2 and second valves 3 through second draining oil duct 11, and third draining hole 8 is connected with second valves 3 through third draining oil duct 12, and first draining oil duct 10, second draining oil duct 11 and third draining oil duct 12 all are used for exporting unnecessary fluid in the execution subassembly of will shifting.
The gear shifting execution assembly comprises a first cavity 13 and a second cavity 14 which are arranged in parallel, a first through hole and a second through hole are formed in two ends of the first cavity 13 respectively, the first through hole is connected with a fifth oil outlet 45, the second through hole is connected with a fourth oil outlet 44, a first piston is arranged between the first through hole and the second through hole, the middle of the first piston is perpendicularly connected with a first shifting fork, the piston is moved through hydraulic pressure difference at two ends of the first piston, and then the first shifting fork is driven to move and is used for being connected with a gear on a gearbox, and the gear shifting action of the first gear and the second gear is completed.
The two ends of the second cavity 14 are respectively provided with a third through hole 15 and a fourth through hole 16, the third through hole 15 is connected with a third oil outlet hole 43, and the fourth through hole 16 is connected with a second oil outlet hole 42. A second piston 17 is arranged between the third through hole 15 and the fourth through hole 16, the middle of the second piston 17 is vertically connected with a second shifting fork 18, the piston is moved through hydraulic pressure difference at two ends of the second piston 17, and then the second shifting fork 18 is driven to move, and the second shifting fork 18 is used for being connected with a gear on the gearbox to complete gear engaging actions of three gears and four gears.
The clutch solenoid valve 21, one keeps off the solenoid valve 31, keep off the solenoid valve 32, three keep off solenoid valve 23 and four keep off solenoid valve 22 and all include a hole, two holes, three holes, four holes and five holes, a hole is connected with second draining oil duct 11, two holes correspond with oil outlet 4 and are connected, three holes and four holes all are connected with fuel feeding oil duct 9, five holes are connected with first draining oil duct 10 or third draining oil duct 12, during circular telegram during operation, communicate between five holes and the four holes, it is closed between four holes and three holes, communicate between three holes and two holes, it is closed between two holes and a hole, during the outage, it is closed between five holes and four holes, communicate between four holes and three holes, it is closed between three holes and two holes, communicate between two holes and a hole.
During the use, clutch circular telegram operating condition, fluid is impressed clutch solenoid valve 21 through three holes from the oil inlet, and clutch solenoid valve 21 circular telegram is worked, makes fluid follow two holes of clutch solenoid valve 21 and flows to first oil outlet 41 and then flows into the clutch, and the unnecessary fluid of gearshift can follow the four holes to the first oil drainage oil duct 10 of five hole direction flow direction pressure release.
Four keep off solenoid valve 22 operating condition, press the switch of shifting this moment, four keep off solenoid valve 22 circular telegram work, clutch solenoid valve 21 outage this moment, clutch solenoid valve 21 three holes and four holes intercommunication this moment, close between two holes and the three holes, fluid passes through four holes and gets into four fender solenoid valve 22 from oil supply duct 9, two holes and three holes intercommunication of four fender solenoid valve 22 this moment, fluid passes through two hole flow direction second oil outlet 42, then follow second oil outlet 42 flow direction fourth through-hole 16 and then get into second cavity 14, make the piston take the shift fork to remove, accomplish the action of hanging four and keeping off. During the movement of the piston, the redundant oil in the second cavity 14 flows to the third oil outlet 43 through the third through hole 15, and then flows from the third oil outlet 43 to the second hole of the third-gear electromagnetic valve 23, and the oil flows from the second hole to the first hole in the third-gear electromagnetic valve 23 and then is discharged through the second oil drainage oil passage 11. The three-gear, two-gear and one-gear engaging processes are similar to the four-gear engaging operation, and are not described herein again.
Therefore, the utility model adopts the above structure hydraulic pressure gearshift, simple structure is reasonable, makes the action of shifting more convenient and fast.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. A hydraulic pressure gearshift, its characterized in that: the gear shifting control valve comprises a valve body and a gear shifting execution assembly positioned below the valve body, wherein a first valve bank is arranged on one end face of the valve body, a second valve bank is arranged on the other end face of the valve body, an oil outlet correspondingly connected with the first valve bank and the second valve bank is arranged on the top face of the valve body, a first oil drainage hole, an oil inlet hole, a second oil drainage hole and a third oil drainage hole which are arranged in parallel are arranged on one side face of the valve body, the oil inlet hole is sequentially connected with the first valve bank and the second valve bank through oil supply ducts, the first oil drainage hole is connected with the first valve bank through a first oil drainage duct, the second oil drainage hole is connected with the first valve bank and the second valve bank through a second oil drainage duct, and the third oil drainage hole is connected with the second valve bank through a third oil drainage duct;
the gear shifting execution assembly comprises a first cavity and a second cavity which are arranged side by side, wherein a first through hole and a second through hole are formed in the two ends of the first cavity respectively, a first piston is arranged between the first through hole and the second through hole, the middle of the first piston is perpendicularly connected with a first shifting fork, a third through hole and a fourth through hole are formed in the two ends of the second cavity respectively, a second piston is arranged between the third through hole and the fourth through hole, and the middle of the second piston is perpendicularly connected with the second shifting fork.
2. The hydraulic shift mechanism of claim 1, wherein: the first valve bank and the second valve bank are arranged in a staggered mode, the first valve bank comprises a clutch electromagnetic valve, a four-gear electromagnetic valve and a three-gear electromagnetic valve, and the second valve bank comprises a first-gear electromagnetic valve and a second-gear electromagnetic valve.
3. The hydraulic shift mechanism of claim 2, wherein: the oil outlet includes first oil outlet, second oil outlet, third oil outlet, fourth oil outlet and fifth oil outlet, first oil outlet with the clutch solenoid valve is connected, the second oil outlet with the fourth keeps off the solenoid valve and connects, the third oil outlet with the third keeps off the solenoid valve and connects, the fourth oil outlet with keep off the solenoid valve and connect, the fifth oil outlet with one keeps off the solenoid valve and connects.
4. The hydraulic shift mechanism of claim 3, wherein: the first through hole is connected with the fifth oil outlet hole, the second through hole is connected with the fourth oil outlet hole, the third through hole is connected with the third oil outlet hole, and the fourth through hole is connected with the second oil outlet hole.
5. The hydraulic shift mechanism of claim 4, wherein: the clutch solenoid valve keep off the solenoid valve, three keep off the solenoid valve with four keep off the solenoid valve and all include a hole, two holes, three holes, four holes and five holes, a hole with the second draining oil duct is connected, two holes with the oil outlet corresponds the connection, three holes with four holes all with the oil supply oil duct is connected, five holes are connected with first draining oil duct or third draining oil duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020416737.2U CN211693487U (en) | 2020-03-27 | 2020-03-27 | Hydraulic gear shifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020416737.2U CN211693487U (en) | 2020-03-27 | 2020-03-27 | Hydraulic gear shifting mechanism |
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| CN211693487U true CN211693487U (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020416737.2U Active CN211693487U (en) | 2020-03-27 | 2020-03-27 | Hydraulic gear shifting mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519556A (en) * | 2020-12-25 | 2021-03-19 | 保定市信达车桥配件制造有限公司 | Multi-gear variable-speed electric axle |
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2020
- 2020-03-27 CN CN202020416737.2U patent/CN211693487U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519556A (en) * | 2020-12-25 | 2021-03-19 | 保定市信达车桥配件制造有限公司 | Multi-gear variable-speed electric axle |
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