CN219035527U - Hydraulic gear selecting and shifting actuating mechanism for micro-card - Google Patents
Hydraulic gear selecting and shifting actuating mechanism for micro-card Download PDFInfo
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- CN219035527U CN219035527U CN202223227124.2U CN202223227124U CN219035527U CN 219035527 U CN219035527 U CN 219035527U CN 202223227124 U CN202223227124 U CN 202223227124U CN 219035527 U CN219035527 U CN 219035527U
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Abstract
The utility model discloses a hydraulic gear selecting and shifting actuating mechanism for a micro-card, which comprises the following components: the gear shifting device comprises a valve body, a gear selecting shaft, a gear selecting executing assembly, a gear shifting shaft and a gear shifting executing assembly, wherein the valve body is provided with a gear selecting cylinder and a gear shifting cylinder, the valve body is provided with an oil supply assembly, one end of the gear selecting shaft penetrates through one end of the gear selecting cylinder and is arranged in the gear selecting cylinder in a sealing sliding mode, the gear selecting executing assembly is arranged between the oil supply assembly and the gear selecting cylinder so that the gear selecting shaft axially moves, two ends of the gear shifting cylinder are respectively arranged in the gear shifting cylinder in a sealing sliding mode, the gear shifting shaft is perpendicular to the gear selecting shaft, and the gear shifting executing assembly is arranged between the oil supply assembly and the gear shifting cylinder. The gear shifting and gear selecting operations are operated in a hydraulic mode, so that gear shifting is stable and rapid, and smoothness, comfort, reliability, dynamic performance and fuel economy of the vehicle are improved.
Description
Technical Field
The utility model relates to the technical field of speed changing systems, in particular to a hydraulic gear selecting and shifting actuating mechanism for a micro-card.
Background
Most of the existing micro-truck type manual gear boxes are matched, and few automobile type electronic manual gear boxes are matched, namely, AMT (automated mechanical transmission) for selecting and shifting gears is controlled by a motor, and cannot be applied to the micro-truck type in batches due to technical limitations and the like.
However, because the manual gearbox needs a higher driving level, unskilled drivers can cause engine flameout, power performance reduction and serious deterioration of economy due to improper selection of gear shifting moments, and meanwhile, the pollution discharge of vehicles is increased, so that the manual gearbox has the advantages of large noise, serious impact and influence on the service life and riding comfort of a power system.
Disclosure of Invention
Aiming at the problems of the existing gearbox, the hydraulic gear selecting and shifting actuating mechanism for the micro-card is provided.
The specific technical scheme is as follows:
a hydraulic select-to-shift actuator for a microcard, comprising:
the gear shifting device comprises a valve body, wherein a gear selecting cylinder and a gear shifting cylinder are arranged on the valve body, and an oil supply assembly is arranged on the valve body and used for supplying or refluxing hydraulic oil into the gear selecting cylinder and the gear shifting cylinder;
the gear selecting shaft is arranged in the gear selecting cylinder in a sealing sliding way by penetrating through one end of the gear selecting cylinder;
the gear selecting execution assembly is arranged between the oil supply assembly and the gear selecting cylinder and is used for controlling the input of hydraulic oil in the gear selecting cylinder so as to enable the gear selecting shaft to axially move;
the two ends of the gear shifting cylinder are respectively arranged in the gear shifting cylinder in a sealing sliding manner, and the gear shifting shaft is perpendicular to the gear selecting shaft;
the gear shifting execution assembly is arranged between the oil supply assembly and the gear shifting cylinder and is used for respectively controlling the hydraulic oil in the gear shifting cylinder and positioned at two ends of the gear shifting shaft to be input or output so as to enable the gear shifting shaft to axially move, and when the hydraulic oil in the gear shifting cylinder, positioned at one end of the gear shifting shaft, is in an input state, and the hydraulic oil in the gear shifting cylinder, positioned at the other end of the gear shifting shaft, is in an output state.
As a further improvement and optimization of the scheme, a gear selecting cavity is formed between the gear selecting shaft in the gear selecting cylinder and the cylinder body of the gear selecting cylinder, the gear selecting executing assembly is used for controlling the input of hydraulic oil in the gear selecting cavity, two gear engaging cavities are formed between the two ends of the gear engaging shaft in the gear engaging cylinder and the cylinder body of the gear engaging cylinder, and the gear engaging executing assembly is used for respectively controlling the input or output of the hydraulic oil in the gear engaging cavities.
As a further improvement and optimization of the scheme, the oil supply assembly comprises an oil inlet and an oil return kettle which are arranged on the valve body;
the gear selection execution assembly comprises:
the return spring is arranged in the gear selecting cavity, one end of the gear selecting cavity is contacted with the gear selecting shaft, and the other end of the gear selecting cavity is contacted with the inner wall of one side of the gear selecting cavity away from the gear selecting shaft;
the oil inlet, the oil return kettle and select and keep off between the chamber, be used for controlling the oil inlet with select keep off between the chamber, the oil return kettle with select and keep off between the chamber or break off, and when first solenoid valve is opened, the oil inlet with select keep off the chamber intercommunication, the oil return kettle with select and keep off the chamber break off, when first solenoid valve is closed, the oil inlet with select and keep off the chamber break off, the oil return kettle with select and keep off the chamber intercommunication.
As a further improvement and optimization of the scheme, the gear executing assembly comprises two second electromagnetic valves, the two second electromagnetic valves are respectively arranged between the gear cavity and the oil supply assembly and used for controlling the communication or disconnection between the gear cavity and the oil inlet and between the gear cavity and the oil return kettle, when the second electromagnetic valves are opened, the gear cavity is communicated with the oil inlet, the gear cavity is disconnected with the oil return kettle, and when the second electromagnetic valves are closed, the gear cavity is disconnected with the oil inlet, and the gear cavity is communicated with the oil return kettle.
As a further improvement and optimization of the scheme, the gear selection execution assembly further comprises a first position sensor, wherein the first position sensor is arranged on the gear selection cylinder and used for detecting the moving position of the gear selection shaft.
As a further improvement and optimization of the scheme, the gear executing assembly further comprises a second position sensor, wherein the second position sensor is arranged on the gear engaging cylinder and used for detecting the moving position of the gear engaging shaft.
As a further improvement and optimization of the scheme, lip-shaped rings are sleeved on the outer parts of the gear engaging shaft and the gear selecting shaft, and the gear engaging shaft/the gear selecting shaft is in sealing movement with the gear engaging cavity/the gear selecting cavity through the lip-shaped rings.
As a further improvement and optimization of the scheme, the oil supply assembly further comprises an oil pump, wherein the oil inlet end of the oil pump is communicated with the oil return kettle, and the oil outlet end of the oil pump is communicated with the oil inlet end of the oil inlet.
As a further improvement and optimization of the scheme, the valve body is further provided with a hydraulic oil outlet for conveying hydraulic oil to the clutch actuating mechanism, a third electromagnetic valve is arranged between the hydraulic oil outlet and the oil supply assembly and used for controlling the communication or disconnection between the hydraulic oil outlet and the oil return kettle and between the hydraulic oil outlet and the oil inlet, and when the third electromagnetic valve is opened, the oil inlet is communicated with the hydraulic oil outlet, the oil return kettle is disconnected with the hydraulic oil outlet, and when the third electromagnetic valve is closed, the oil inlet is disconnected with the hydraulic oil outlet, and the oil return kettle is communicated with the hydraulic oil outlet.
Compared with the prior art, the technical scheme has the following positive effects:
(1) The gear engaging and selecting operations are operated in a hydraulic mode, and the gear engaging shaft and the gear selecting shaft are controlled to slide to a proper position through the hydraulic pressure of hydraulic oil so as to match the required gear, so that gear shifting is smooth and rapid, and smoothness, comfort, reliability, dynamic performance and fuel economy of the vehicle are improved.
(2) According to the gear selecting device, the input and output of hydraulic oil in the gear selecting cavity are automatically controlled through the opening and closing of the first electromagnetic valve, the reset spring on the gear shifting tower and the elastic force of the reset spring, so that gear selecting operation is realized, the opening and closing of the two second electromagnetic valves are respectively and automatically controlled by the hydraulic oil in the two gear shifting cavities, the gear shifting shaft moves axially and performs gear shifting operation, the executing structure is relatively simple, the electromagnetic valve and the reset spring are conventional components, and the production cost is greatly reduced.
(3) According to the gear shifting control device, the first position sensor senses the moving position of the gear selecting shaft, and the second position sensor senses the moving position of the gear engaging shaft, so that the gear shifting execution accuracy of the actuating mechanism is improved.
(4) The hydraulic oil used in the gear shifting and gear selecting operations is recycled, so that the economy is further improved.
(5) The return spring provided by the utility model has the advantages that under the combined action of the return spring of the gear shifting tower, the axial shaking phenomenon of the gear selecting shaft in the initial state of the whole vehicle can be avoided, the signal fluctuation detected by the first position sensor caused by shaking of the gear shifting shaft is prevented, and the stability and the accuracy of the detection of the first position sensor are improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a hydraulic gear selecting and shifting actuator for a micro-card according to the present utility model;
FIG. 2 is a cross-sectional view of a shift select cylinder of a hydraulic shift select actuator for a microcard of the present utility model;
FIG. 3 is a cross-sectional view of a shift cylinder of a hydraulic select shift actuator for a microcard of the present utility model;
in the accompanying drawings: 1. a valve body; 2. a gear selection executing component; 3. a hydraulic oil outlet; 4. selecting a gear shaft; 5. a shift execution assembly; 6. an oil supply assembly; 7. a third electromagnetic valve; 8. a lip ring; 9. a gear shaft is engaged; 11. a gear selecting cylinder; 12. a gear engaging cylinder; 21. a first electromagnetic valve; 22. a first position sensor; 23. a return spring; 51. a second electromagnetic valve; 52. a second position sensor; 61. an oil inlet; 62. an oil return kettle; 111. selecting a gear cavity; 121. a gear engaging cavity.
Detailed Description
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
Fig. 1 is a schematic view of the overall structure of a hydraulic gear selecting and shifting actuator for a micro-card according to the present utility model, fig. 2 is a sectional view of a gear selecting cylinder of a hydraulic gear selecting and shifting actuator for a micro-card according to the present utility model, and fig. 3 is a sectional view of a gear selecting cylinder of a hydraulic gear selecting and shifting actuator for a micro-card according to the present utility model, as shown in fig. 1 to 3, showing a hydraulic gear selecting and shifting actuator for a micro-card according to a preferred embodiment, comprising: the hydraulic oil control device comprises a valve body 1, a gear selecting shaft 4, a gear selecting executing component 2, a gear shifting shaft 9 and a gear shifting executing component 5, wherein the valve body 1 is provided with a gear selecting cylinder 11 and a gear shifting cylinder 12, the valve body 1 is provided with an oil supplying component 6 for supplying or returning hydraulic oil into the gear selecting cylinder 11 and the gear shifting cylinder 12, one end of the gear selecting shaft 4 penetrates through one end of the gear selecting cylinder 11 and is arranged in the gear selecting cylinder 11 in a sealing sliding mode, the gear selecting executing component 2 is arranged between the oil supplying component 6 and the gear selecting cylinder 11 and is used for controlling the input of the hydraulic oil in one end of the gear shifting shaft 11 so as to enable the gear selecting shaft 4 to axially move, two ends of the gear shifting cylinder 12 are respectively arranged in the gear shifting cylinder 12 in a sealing sliding mode, the gear shifting shaft 9 is arranged between the oil supplying component 6 and the gear shifting cylinder 12, and the gear shifting executing component 5 is arranged between the gear selecting component 6 and the gear shifting cylinder 12 so as to respectively control the input or output of the hydraulic oil in two ends of the gear shifting shaft 9, and when the hydraulic oil in the gear shifting cylinder 12 is in an input state, and the hydraulic oil in the other end of the gear shifting shaft 9 is in an output state.
Further, as a preferred embodiment, a gear selecting cavity 111 is formed between the gear selecting shaft 4 in the gear selecting cylinder 11 and the cylinder body of the gear selecting cylinder 11, the gear selecting executing component 2 is used for controlling the input of hydraulic oil in the gear selecting cavity 111, two gear engaging cavities 121 are formed between two ends of the gear engaging shaft 9 in the gear engaging cylinder 12 and the cylinder body of the gear engaging cylinder 12, and the gear engaging executing component 5 is used for respectively controlling the input or output of hydraulic oil in the two gear engaging cavities 121.
In this embodiment, the gear executing component 5 inputs high-pressure hydraulic oil into one gear engaging cavity 121 through the oil supplying component 6, the gear engaging shaft 9 moves axially towards the other gear engaging cavity 121 under hydraulic pressure and extrudes the other gear engaging cavity 121, so that hydraulic oil in the other gear engaging cavity 121 flows back into the oil supplying component 6 to realize odd gears, otherwise, the gear engaging executing component 5 controls the oil supplying component 6 to input high-pressure hydraulic oil into the other gear engaging cavity 121, the gear engaging shaft 9 slides reversely and engages even gears, and the gear selecting executing component 2 inputs high-pressure hydraulic oil into the gear selecting cavity 111 through controlling the oil supplying component 6, and pushes the gear selecting shaft 4 outwards under hydraulic pressure and performs gear selecting operation.
In this embodiment, the gear engaging and selecting operations are all operated by hydraulic mode, and the gear engaging shaft 9 and the gear selecting shaft 4 are controlled by hydraulic pressure of hydraulic oil to move to a proper position so as to match the required gear, so that gear shifting is smooth and rapid, and smoothness, comfort, reliability, dynamic property and fuel economy of the vehicle are improved.
Further, as a preferred embodiment, the oil supply assembly 6 includes an oil inlet 61 and an oil return kettle 62 mounted on the valve body 1;
the gear selection execution assembly 2 includes: the return spring 23 and the first electromagnetic valve 21, the return spring 23 locates in the gear selecting cavity 111, one end of the gear selecting cavity 111 contacts with the gear selecting shaft 4, the other end contacts with one side inner wall of the gear selecting cavity 111 far away from the gear selecting shaft 4, the first electromagnetic valve 21 locates between the oil inlet 61, the oil return kettle 62 and the gear selecting cavity 111, and is used for controlling the communication or disconnection between the oil inlet 61 and the gear selecting cavity 111, between the oil return kettle 62 and the gear selecting cavity 111, and when the first electromagnetic valve 21 is opened, the oil inlet 61 is communicated with the gear selecting cavity 111, the oil return kettle 62 is disconnected with the gear selecting cavity 111, and when the first electromagnetic valve 21 is closed, the oil inlet 61 is disconnected with the gear selecting cavity 111, and the oil return kettle 62 is communicated with the gear selecting cavity 111.
Specifically, one end of the gear selecting shaft 4 facing away from the return spring 23 is connected to a gear shifting tower (not shown in the figure), and the gear selecting shaft and the gear shifting tower are elastically connected through the return spring on the gear shifting tower.
In this embodiment, the first electromagnetic valve 21 is opened, high-pressure hydraulic oil flows into the gear selecting cavity 111 from the oil inlet 61, the gear selecting shaft 4 is pushed outwards under the hydraulic pressure of the hydraulic oil and the elasticity of the return spring 23 and extrudes the return spring on the gear shifting tower to perform gear selecting operation, when the first electromagnetic valve 21 is closed, the gear selecting cavity 111 is communicated with the oil return kettle 62, the gear selecting shaft 4 performs retreating movement under the elasticity of the return spring on the gear shifting tower until the elasticity of the return spring is equal to the elasticity of the return spring 23, and at the moment, the gear selecting shaft 4 reaches the balance point of force and stops moving to complete resetting, and meanwhile, the hydraulic oil in the gear selecting cavity 111 is extruded into the oil return kettle 62.
In this embodiment, when a gear is engaged, one of the second solenoid valves 51 is opened, the other second solenoid valve 51 is closed, so that one of the gear chambers 121 is connected to the oil inlet 61, the other gear chamber 121 is connected to the oil return kettle 62, high-pressure hydraulic oil enters the gear chamber 121 communicated with the other gear chamber through the oil inlet 61, the gear shaft 9 extrudes the other gear chamber 121 and is engaged with an odd number of gears, meanwhile, hydraulic oil in the other gear chamber 121 flows into the oil return kettle 62 under the extrusion of the gear shaft 9, and conversely, one of the second solenoid valves 51 is closed, and when the other second solenoid valve 51 is opened, the gear shaft 9 slides reversely and is engaged with an even number of gears.
In this embodiment, the input and output of hydraulic oil in the gear selecting cavity are automatically controlled by the opening and closing of the first electromagnetic valve 21, the return spring on the gear shifting tower and the elastic force of the return spring 23 to realize gear selecting operation, and the opening and closing of the two second electromagnetic valves 51 are respectively automatically controlled by the hydraulic oil in the two gear engaging cavities 121 to enable the gear engaging shaft to axially move and perform gear engaging operation, so that the executing structure is relatively simple, the electromagnetic valves and the return spring 23 are conventional components, and the production manufacturing cost is greatly reduced.
Specifically, the oil inlet 61 is communicated with the gear selecting cavity 111 through a first oil way, the oil return pot 62 is communicated with the gear selecting cavity 111 through a second oil way, the first electromagnetic valve 21 is arranged between the first oil way and the second oil way and used for controlling the communication or disconnection of the first oil way and the communication or disconnection of the second oil way, when the first electromagnetic valve 21 is opened, the first oil way is communicated, the second oil way is disconnected, and when the first electromagnetic valve 21 is closed, the first oil way is disconnected, and the second oil way is communicated.
Specifically, the oil inlet 61 is communicated with the gear shifting cavity through a third oil way, the oil return kettle 62 is communicated with the gear shifting cavity 121 through a fourth oil way, the second electromagnetic valve 51 is arranged between the third oil way and the fourth oil way and used for controlling the communication or disconnection of the third oil way and the fourth oil way, when the second electromagnetic valve 51 is opened, the third oil way is communicated, the fourth oil way is disconnected, and when the second electromagnetic valve 51 is closed, the third oil way is disconnected, and the fourth oil way is communicated.
Further, as a preferred embodiment, the gear executing assembly 5 includes two second solenoid valves 51, where the two second solenoid valves 51 are respectively disposed between the two gear chambers 121 and the oil supply assembly 6, for controlling the communication or disconnection between the gear chambers 121 and the oil inlet 61, and between the gear chambers 121 and the oil return pot 62, when the second solenoid valves 51 are opened, the gear chambers 121 are communicated with the oil inlet 61, the gear chambers 121 are disconnected from the oil return pot 62, and when the second solenoid valves 51 are closed, the gear chambers 121 are disconnected from the oil inlet 61, and the gear chambers 121 are communicated with the oil return pot 62.
Further, as a preferred embodiment, the gear selecting and executing assembly 2 further includes a first position sensor 22, where the first position sensor 22 is disposed on the gear selecting cylinder 11 and is used for detecting the moving position of the gear selecting shaft 4.
The purpose of the return spring 23 in this embodiment is to ensure that the gear selecting shaft 4 does not shake axially in the initial state of the whole vehicle under the combined action of the return spring of the gear shifting tower, prevent signal fluctuation detected by the first position sensor 22 caused by shake of the gear shifting shaft, and improve the stability and accuracy of detection of the first position sensor 22.
Further, as a preferred embodiment, the gear executing assembly 5 further includes a second position sensor 52, and the second position sensor 52 is provided on the gear cylinder 12 for detecting the moving position of the gear shaft 9.
Further, as a preferred embodiment, the outer parts of the gear engaging shaft 9 and the gear selecting shaft 4 are respectively sleeved with a lip-shaped ring 8, and the gear engaging shaft 9/the gear selecting shaft 4 is in sealing movement with the gear engaging cavity 121/the gear selecting cavity 111 through the lip-shaped rings 8.
Further, as a preferred embodiment, the oil supply assembly 6 further includes an oil pump, an oil inlet end of the oil pump is communicated with the oil return pot 62, and an oil outlet end of the oil pump is communicated with an oil inlet end of the oil inlet 61.
In the embodiment, hydraulic oil used in gear shifting and gear selecting operations is recycled, so that the economy is further improved.
Further, as a preferred embodiment, the valve body 1 is further provided with a hydraulic oil outlet 3 for delivering hydraulic oil to the clutch executing mechanism, a third electromagnetic valve 7 is arranged between the hydraulic oil outlet 3 and the oil supply assembly 6, the third electromagnetic valve 7 is used for controlling the communication or disconnection between the hydraulic oil outlet 3 and the oil return kettle 62, and between the hydraulic oil outlet 3 and the oil inlet 61, and when the third electromagnetic valve 7 is opened, the oil inlet 61 is communicated with the hydraulic oil outlet 3, the oil return kettle 62 is disconnected from the hydraulic oil outlet 3, and when the third electromagnetic valve 7 is closed, the oil inlet 61 is disconnected from the hydraulic oil outlet 3, and the oil return kettle 62 is communicated with the hydraulic oil outlet 3.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (9)
1. A hydraulic select-to-shift actuator for a microcard, comprising:
the gear shifting device comprises a valve body, wherein a gear selecting cylinder and a gear shifting cylinder are arranged on the valve body, and an oil supply assembly is arranged on the valve body and used for supplying or refluxing hydraulic oil into the gear selecting cylinder and the gear shifting cylinder;
the gear selecting shaft is arranged in the gear selecting cylinder in a sealing sliding way by penetrating through one end of the gear selecting cylinder;
the gear selecting execution assembly is arranged between the oil supply assembly and the gear selecting cylinder and is used for controlling the input of hydraulic oil in the gear selecting cylinder so as to enable the gear selecting shaft to axially move;
the two ends of the gear shifting cylinder are respectively arranged in the gear shifting cylinder in a sealing sliding manner, and the gear shifting shaft is perpendicular to the gear selecting shaft;
the gear shifting execution assembly is arranged between the oil supply assembly and the gear shifting cylinder and is used for respectively controlling the hydraulic oil in the gear shifting cylinder and positioned at two ends of the gear shifting shaft to be input or output so as to enable the gear shifting shaft to axially move, and when the hydraulic oil in the gear shifting cylinder, positioned at one end of the gear shifting shaft, is in an input state, and the hydraulic oil in the gear shifting cylinder, positioned at the other end of the gear shifting shaft, is in an output state.
2. The hydraulic gear selecting and shifting actuating mechanism for the mini-truck according to claim 1, wherein a gear selecting cavity is formed between the gear selecting shaft in the gear selecting cylinder and the cylinder body of the gear selecting cylinder, the gear selecting and shifting actuating assembly is used for controlling the input of hydraulic oil in the gear selecting cavity, two gear shifting cavities are formed between the two ends of the gear selecting shaft in the gear shifting cylinder and the cylinder body of the gear shifting cylinder, and the gear shifting actuating assembly is used for respectively controlling the input or output of the hydraulic oil in the two gear shifting cavities.
3. The hydraulic select-to-shift actuator for a micro-truck according to claim 2, wherein the oil supply unit includes an oil inlet and an oil return pot mounted on the valve body;
the gear selection execution assembly comprises:
the return spring is arranged in the gear selecting cavity, one end of the gear selecting cavity is contacted with the gear selecting shaft, and the other end of the gear selecting cavity is contacted with the inner wall of one side of the gear selecting cavity away from the gear selecting shaft;
the oil inlet, the oil return kettle and select and keep off between the chamber, be used for controlling the oil inlet with select keep off between the chamber, the oil return kettle with select and keep off between the chamber or break off, and when first solenoid valve is opened, the oil inlet with select keep off the chamber intercommunication, the oil return kettle with select and keep off the chamber break off, when first solenoid valve is closed, the oil inlet with select and keep off the chamber break off, the oil return kettle with select and keep off the chamber intercommunication.
4. The hydraulic gear selecting and executing mechanism for the micro-truck according to claim 3, wherein the gear executing assembly comprises two second electromagnetic valves, the two second electromagnetic valves are respectively arranged between the gear engaging cavities and the oil supply assembly and used for controlling the communication or disconnection between the gear engaging cavities and the oil inlet and between the gear engaging cavities and the oil return kettle, when the second electromagnetic valves are opened, the gear engaging cavities are communicated with the oil inlet, the gear engaging cavities are disconnected with the oil return kettle, and when the second electromagnetic valves are closed, the gear engaging cavities are disconnected with the oil inlet, and the gear engaging cavities are communicated with the oil return kettle.
5. The hydraulic select-to-shift actuator of claim 4, wherein the select-to-shift actuator assembly further comprises a first position sensor disposed on the select cylinder for detecting a position of movement of the select shaft.
6. The hydraulic select shift actuator for a microcard as in claim 5, wherein said shift actuator assembly further comprises a second position sensor disposed on said shift cylinder for detecting a position of movement of said shift axle.
7. The hydraulic gear selecting and shifting actuator for a micro-truck according to claim 6, wherein a lip-shaped ring is sleeved outside the gear shifting shaft and the gear selecting shaft, and the gear shifting shaft/the gear selecting shaft is in sealing movement with the gear shifting cavity/the gear selecting cavity through the lip-shaped ring.
8. The hydraulic select-to-shift actuator for a micro-truck of claim 7, wherein the oil supply assembly further comprises an oil pump, an oil inlet end of the oil pump is communicated with the oil return pot, and an oil outlet end of the oil pump is communicated with an oil inlet end of the oil inlet.
9. The hydraulic gear selecting and shifting executing mechanism for the micro-truck according to claim 8, wherein the valve body is further provided with a hydraulic oil output port for conveying hydraulic oil to the clutch executing mechanism, a third electromagnetic valve is arranged between the hydraulic oil output port and the oil supply assembly and used for controlling communication or disconnection between the hydraulic oil output port and the oil return kettle and between the hydraulic oil output port and the oil inlet, when the third electromagnetic valve is opened, the oil inlet is communicated with the hydraulic oil output port, the oil return kettle is disconnected with the hydraulic oil output port, and when the third electromagnetic valve is closed, the oil inlet is disconnected with the hydraulic oil output port, and the oil return kettle is communicated with the hydraulic oil output port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223227124.2U CN219035527U (en) | 2022-12-01 | 2022-12-01 | Hydraulic gear selecting and shifting actuating mechanism for micro-card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223227124.2U CN219035527U (en) | 2022-12-01 | 2022-12-01 | Hydraulic gear selecting and shifting actuating mechanism for micro-card |
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| Publication Number | Publication Date |
|---|---|
| CN219035527U true CN219035527U (en) | 2023-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223227124.2U Active CN219035527U (en) | 2022-12-01 | 2022-12-01 | Hydraulic gear selecting and shifting actuating mechanism for micro-card |
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| Country | Link |
|---|---|
| CN (1) | CN219035527U (en) |
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- 2022-12-01 CN CN202223227124.2U patent/CN219035527U/en active Active
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