CN218670600U - Gear shifting structure of power disconnecting mechanism - Google Patents
Gear shifting structure of power disconnecting mechanism Download PDFInfo
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- CN218670600U CN218670600U CN202221955168.4U CN202221955168U CN218670600U CN 218670600 U CN218670600 U CN 218670600U CN 202221955168 U CN202221955168 U CN 202221955168U CN 218670600 U CN218670600 U CN 218670600U
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- eccentric
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- inner ring
- sleeve
- disconnect mechanism
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Abstract
The utility model provides a power disconnection mechanism's structure of shifting. The structure includes: the electromagnetic valve drives the push rod to move linearly and drives the eccentric wheel to rotate around a shaft through the pin bush, and when the eccentric wheel rotates, the gear shifting sleeve can be shifted through the bearing to move left and right, so that the power combination and disconnection of the input shaft and the output shaft are realized. The utility model provides a power unit's gear shifting structure shifts the gear sleeve through solenoid valve control and realizes the interruption and the combination of power, can show reduction mechanism complexity, the control degree of difficulty and cost.
Description
Technical Field
The utility model relates to a new energy automobile technical field especially relates to a power disconnection mechanism's structure of shifting.
Background
With the development of new energy automobiles, hybrid and electric four-wheel drive vehicles are increasingly popularized. In hybrid and electric four-wheel drive vehicles, an electric drive axle is usually adopted as an auxiliary drive, when the whole vehicle does not need power compensation, the electric drive axle stops working, at the moment, because wheels can drive a rotor shaft of a motor to rotate, the motor generates anti-drag torque, the transmission efficiency of the whole vehicle is reduced, and the energy consumption of the whole vehicle is increased. The connection between the motor and the wheels can be cut off through the disconnecting mechanism, the rotor shaft of the motor driven by the wheels is prevented from rotating, the transmission efficiency is improved, the energy consumption of the whole vehicle is reduced, and the cruising ability of the whole vehicle is improved.
The existing disconnecting mechanism is generally driven by a motor controlled by an ECU (electronic control Unit), the rotation of the motor is converted into linear motion by a worm gear mechanism, and a gear sleeve or a friction plate is driven to realize the disconnection and combination of power.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a power disconnection mechanism's structure of shifting, the gear sleeve that shifts through solenoid valve control realizes the interruption and the combination of power, can show reduction mechanism complexity, the control degree of difficulty and cost.
In order to solve the technical problem, the utility model provides a power disconnection mechanism's structure of shifting, the structure includes: the electromagnetic valve drives the push rod to move linearly and drives the eccentric wheel to rotate around a shaft through the pin bush, and when the eccentric wheel rotates, the gear shifting sleeve can be shifted through the bearing to move left and right, so that the power combination and disconnection of the input shaft and the output shaft are realized.
In some embodiments, the lower end of the pin sleeve is provided with a protrusion and the upper end of the eccentric is provided with an eccentric inner ring.
In some embodiments, the projection diameter of the pin sleeve is smaller than the inner ring diameter of the eccentric.
In some embodiments, when the solenoid push rod is in the left limit position, the protrusion of the pin sleeve contacts the left side of the eccentric inner ring.
In some embodiments, the push rod drives the pin sleeve to move to the right when gear shifting work needs to be performed.
In some embodiments, the pin sleeve protrusion contacts the right side of the eccentric inner ring and pushes the eccentric to rotate after the gap is eliminated.
In some embodiments, the fit clearance is created by the difference in diameters of the pin sleeve and the eccentric inner ring.
In some embodiments, the shift force amplification feature is provided.
After adopting such design, the utility model discloses following advantage has at least:
1. compared with the prior art, the electromagnetic valve replaces a motor, a motor controller, a speed reducing mechanism and a worm and gear mechanism, so that the complexity of the mechanism is greatly simplified, and the cost is greatly reduced. The same disconnecting and connecting effect can be achieved.
2. Through the design of the eccentric wheel, the problem that the output force of the electromagnetic valve is far away from the stress point of the gear shifting gear sleeve can be solved, and the bending moment generated in the gear shifting process can be effectively avoided.
3. The design can expand the capacity of the electromagnetic valve, when the thrust of the electromagnetic valve is insufficient, the gear shifting force of the electromagnetic valve can be amplified by increasing the eccentric distance of the upper ring of the eccentric wheel and the difference of the upper eccentric distance and the lower eccentric distance.
Drawings
The foregoing is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clear, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.
FIG. 1 is a perspective view of a shifting structure of a power disconnect mechanism;
fig. 2 is a schematic diagram of a gear shifting process.
Description of reference numerals:
the device comprises a solenoid valve 1, a push rod 2, a pin bush 3, an eccentric wheel 4, a bearing 5, a gear shifting bush 6, an input shaft 7 and an output shaft 8.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Referring to fig. 1, the utility model relates to a simple structure, low cost's disconnect-mechanism. The gear shifting sleeve is controlled by the electromagnetic valve to realize the interruption and combination of power, and the complexity, control difficulty and cost of the mechanism can be obviously reduced.
The electromagnetic valve 1 can drive the push rod 2 to realize linear motion, the upper end of the pin sleeve 3 is connected with the push rod 2, the lower end of the pin sleeve is in contact with the eccentric wheel 4, the pin sleeve 3 can drive the eccentric wheel 4 to rotate around a shaft when moving, the outer gear sleeve of the gear shifting sleeve 6 can be pulled through the bearing 5 to move left and right when the eccentric wheel 4 rotates, and power combination and disconnection of the input shaft 7 and the output shaft 8 are realized.
The movement and the matching relationship are shown in fig. 2.
The reverse gear shifting process, namely the process of moving the pin sleeve 3 from right to left, is the same as the process.
When the electromagnetic valve push rod 2 is at a left limit position, the pin sleeve 3 is in contact with the left side of the inner ring of the eccentric wheel 4, when gear shifting work needs to be executed, the push rod 2 drives the pin sleeve 3 to move towards the right side, the diameter of the pin sleeve 3 is smaller than that of the inner ring, after the clearance is eliminated, the pin sleeve 3 is in contact with the right side of the inner ring of the eccentric wheel 4 and pushes the eccentric wheel 4 to rotate, and therefore position change of a bearing 5 below the eccentric wheel 4 is achieved.
The conversion of the linear motion of the pin sleeve 3 and the rotary motion of the eccentric wheel 4 is realized by generating a fit clearance through the diameter difference between the pin sleeve 3 and the upper ring of the eccentric wheel 4.
The utility model discloses a key point lies in: the gear shifting system structure formed by the electromagnetic valve 1, the pin bush 3 and the eccentric wheel 4 and the characteristic of gear shifting force amplification of the structure are achieved.
The above description is only for the preferred embodiment of the present invention, and not intended to limit the present invention in any way, and those skilled in the art can make various modifications, equivalent changes and modifications using the above-described technical content, all of which fall within the scope of the present invention.
Claims (7)
1. A shifting structure of a power disconnect mechanism, comprising: the electromagnetic valve drives the push rod to move linearly and drives the eccentric wheel to rotate around a shaft through the pin bush, and when the eccentric wheel rotates, the gear shifting sleeve can be shifted through the bearing to move left and right, so that the power combination and disconnection of the input shaft and the output shaft are realized.
2. The power disconnect mechanism shift structure of claim 1, wherein a lower end of the pin sleeve is provided with a protrusion and an upper end of the eccentric is provided with an eccentric inner ring.
3. The power disconnect mechanism shift structure of claim 2, wherein the nose diameter of the pin sleeve is less than the eccentric inner ring diameter.
4. The shifting structure of a power disconnect mechanism of claim 3, wherein the protrusion of the pin bushing contacts the left side of the inner ring of the eccentric when the push rod of the solenoid is in the left limit position.
5. The power disconnect mechanism of claim 4, wherein the push rod moves the pin sleeve to the right when a shift operation is desired.
6. The power disconnect mechanism shift structure of claim 5, wherein the pin sleeve protrusion contacts the right side of the eccentric inner ring and pushes the eccentric to rotate after the backlash is eliminated.
7. The power disconnect mechanism shift structure of claim 1, wherein the fit clearance is created by a difference in diameters of the pin sleeve and the eccentric inner ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221955168.4U CN218670600U (en) | 2022-07-27 | 2022-07-27 | Gear shifting structure of power disconnecting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221955168.4U CN218670600U (en) | 2022-07-27 | 2022-07-27 | Gear shifting structure of power disconnecting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218670600U true CN218670600U (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202221955168.4U Active CN218670600U (en) | 2022-07-27 | 2022-07-27 | Gear shifting structure of power disconnecting mechanism |
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| CN (1) | CN218670600U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115076366A (en) * | 2022-07-27 | 2022-09-20 | 北京博格华纳汽车传动器有限公司 | Gear shifting structure of power disconnecting mechanism |
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2022
- 2022-07-27 CN CN202221955168.4U patent/CN218670600U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115076366A (en) * | 2022-07-27 | 2022-09-20 | 北京博格华纳汽车传动器有限公司 | Gear shifting structure of power disconnecting mechanism |
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