CN210034377U - Automatic derailleur shift fork gearshift and adopt its car - Google Patents
Automatic derailleur shift fork gearshift and adopt its car Download PDFInfo
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- CN210034377U CN210034377U CN201920341704.3U CN201920341704U CN210034377U CN 210034377 U CN210034377 U CN 210034377U CN 201920341704 U CN201920341704 U CN 201920341704U CN 210034377 U CN210034377 U CN 210034377U
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Abstract
The utility model discloses an automatic transmission shift fork gearshift and car. The automatic transmission shifting fork gear shifting mechanism comprises a shifting fork assembly, an executing motor assembly, the shifting fork assembly is provided with a shifting fork and a shifting fork rod, the shifting fork is fixed with the shifting fork rod, the shifting fork rod comprises a shifting fork lower end support, an executing external thread arranged at a shifting fork upper end support end and a shifting fork upper end support end, the executing motor assembly is provided with a motor end cover, a motor shell fixed with the motor end cover, a motor rotor arranged in the motor shell and a motor rotating shaft thread sleeve penetrating the motor rotor from the motor end cover, the motor rotating shaft thread sleeve is provided with an executing internal thread, the executing internal thread is matched and connected with the executing external thread, and the shifting fork rod moves up and down and. The utility model discloses an automatic transmission shift fork gearshift responds soon, and execution power, displacement control are accurate, and it is smooth-going to shift, and reduce cost has improved use comfort.
Description
Technical Field
The utility model relates to an automobile automatic gearbox field, concretely relates to automatic gearbox shift fork gearshift and adopt its car.
Background
As shown in fig. 1 to 4, the shifting fork shifting mechanism of the automatic transmission in the prior art includes a shifting fork assembly 1 and a hydraulic valve plate assembly 3, wherein the shifting fork assembly 1 includes a shifting fork lower end support 121 connected with a transmission housing in a sliding fit manner, a shifting fork upper end support 122, and a shifting fork 11 fixedly mounted on the shifting fork assembly, the hydraulic valve plate assembly 3 includes an executing piston 32 connected with a hydraulic cylinder 31 in a sliding fit manner, wherein the shifting fork 11 has an executing fork opening 111, the executing piston 32 has an executing notch 321, when shifting gears, hydraulic pressure of the hydraulic valve plate assembly pushes the executing piston 32 to move, the executing notch 321 on the executing piston 32 is matched with the executing fork opening 111 on the shifting fork 11, thereby pushing the shifting fork assembly 1 to move, and completing a gear shifting action. However, because the hydraulic valve plate assembly 3 must be assembled in a dust-free workshop at present, the initial capital investment is high, the processing and manufacturing difficulty of the hydraulic valve plate assembly 3 is high, the processing cost is high, the up-and-down movement of the execution piston 32 is controlled by the fact that a hydraulic pump generates high-pressure fluid and a battery valve is disconnected or opened, the action response is slow, and force and displacement control in the execution process is not accurate, so that the performance problems of gear shifting pause and gear shifting noise and the like are caused in the gear shifting process.
Disclosure of Invention
The utility model provides an automatic transmission shift fork gearshift introduces the actuating motor assembly and controls the shift fork assembly and remove, solves the response lag of shifting and shifts and pause or pause in gear and frustrate the problem, makes the structure of shifting compacter.
The utility model discloses an automatic transmission shifting fork gear shifting mechanism, which comprises a shifting fork assembly and an actuating motor assembly;
the shifting fork assembly consists of a shifting fork and a shifting fork rod, and the shifting fork is fixedly sleeved on the shifting fork rod;
the lower end of the shifting fork rod is used for supporting the lower end of the shifting fork, and the upper end of the shifting fork rod is used for supporting the upper end of the shifting fork; an execution external thread is arranged at the end part of the upper end support of the shifting fork;
the actuating motor assembly comprises a motor end cover, a motor shell, a motor rotating shaft threaded sleeve and a motor rotor; the motor shell is fixed on the motor end cover, the motor rotor is placed in the motor shell, the upper end of the motor rotating shaft threaded sleeve penetrates into the motor shell from the motor end cover and is fixedly connected with the motor rotor, and an execution internal thread is arranged on the inner wall of the motor rotating shaft threaded sleeve;
the execution internal thread is in matched connection with the execution external thread;
furthermore, a lower end support and an upper end support of a shifting fork of the shifting fork rod are used for being in sliding fit with the transmission shell;
further, the motor end cover 22 is used for being fixedly installed on one side end face of the transmission box body;
further, the execution external thread is a T-shaped external thread, and the execution internal thread is a T-shaped internal thread.
Adopt above-mentioned automatic transmission shift fork gearshift's car.
The utility model discloses beneficial technological effect does:
1) the motor shaft thread sleeve is controlled by the motor, the response is fast, the movement of the shifting fork assembly is directly stressed by the execution external thread on the shifting fork rod, the shifting fork does not need to be provided with an execution fork opening, the part structure is simple, the system clearance is small, the execution precision is high,
2) the execution external thread is deeply matched with the execution internal thread inside the motor, the structure is compact, the installation space is saved, the whole volume of the transmission is reduced, the lightweight design is met, and the fuel consumption is reduced.
3) The gear shifting is controlled by the rotation of the motor, the execution efficiency is high, the number of parts is small, the structure is simple, the system clearance is small,
the execution precision is high, gear shifting pause and pause are avoided, and the gear shifting quality of the transmission is improved.
Drawings
FIG. 1 is a schematic diagram of a prior art automatic transmission hydraulic shift fork shift mechanism;
FIG. 2 is a schematic view of a prior art automatic transmission hydraulic shift fork;
FIG. 3 is a schematic illustration of a hydraulic valve plate assembly of a prior art automatic transmission;
FIG. 4 is a schematic illustration of an actuator piston of a prior art automatic transmission;
FIG. 5 is a schematic view of a shifting fork shifting mechanism of the automatic transmission of the present invention;
FIG. 6 is a schematic view of a fork assembly of the present invention;
fig. 7 is a schematic view of the motor assembly of the present invention;
fig. 8 is a schematic sectional view of the motor assembly of the present invention;
the hydraulic control system comprises a shifting fork assembly, a 11-shifting fork, a 12-shifting fork rod, a 121-shifting fork lower end support, a 122-shifting fork upper end support, an 123-execution external thread, a 2-motor assembly, a 21-motor rotating shaft threaded sleeve, a 22-motor end cover, a 23-motor rotor, a 24-motor shell, a 211-execution internal thread, a 3-hydraulic valve plate assembly, a 31-hydraulic cylinder body, a 32-execution piston and a 321-execution notch.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 5 to 8, an automatic transmission fork shift mechanism includes: a shifting fork assembly 1 and an actuating motor assembly 2.
The shifting fork assembly 1 is composed of a shifting fork 11 and a shifting fork rod 12, the shifting fork 11 is fixedly sleeved on the shifting fork rod 12, the lower end of the shifting fork rod 12 is a shifting fork lower end support 121, the upper end of the shifting fork rod 12 is a shifting fork upper end support 122, and the shifting fork lower end support 121 and the shifting fork upper end support 122 of the shifting fork rod 12 are in sliding fit with a transmission shell. The end of the fork upper end support 122 is provided with an execution external thread 123.
The actuating motor assembly 2 comprises a motor end cover 22, a motor shell 24, a motor rotating shaft threaded sleeve 21 and a motor rotor 23. Motor end cover 22 fixed mounting is on derailleur box side end face, and motor housing 24 is fixed on motor end cover 22, and motor rotor 23 places in motor housing 24, and motor shaft thread bush 21 upper end penetrates in motor housing 24 casing and with motor rotor 23 fixed connection from motor end cover 22, and motor shaft thread bush 21 inner wall sets up and carries out internal thread 211.
The execution internal thread 211 is in fit connection with the execution external thread 123. The external execution thread 123 is a T-shaped external thread and the internal execution thread 211 is a T-shaped internal thread.
During gear shifting, the motor rotor 23 rotates to drive the motor rotating shaft threaded sleeve 21 to rotate, the execution internal thread 211 rotates and drives the execution external thread 123 to move up and down, the shifting fork rod 12 moves up and down and drives the shifting fork assembly 1 to move, and gear shifting is completed.
Automobile adopting shifting fork gear shifting mechanism of automatic transmission
Because motor shaft thread bush 21 is controlled by the motor, and the response is fast, and shift fork assembly 1's removal is by the direct atress effect of the external screw thread 123 of carrying out on the declutch shift lever 12 moreover, and the shift fork need not to set up and carries out the fork mouth, and part structure is simple, and the system clearance is little, and the execution precision is high, has avoided shifting to pause and has been hindered, has improved the quality of shifting of derailleur. And the execution external thread 123 is deeply inserted into the motor assembly 2 and is matched with the execution internal thread 211, so that the structure is compact, the installation space is saved, the integral volume of the transmission is reduced, the light-weight design is met, and the cost is reduced.
Claims (5)
1. Automatic derailleur shift fork gearshift, its characterized in that: comprises a shifting fork assembly (1) and an executing motor assembly (2);
the shifting fork assembly (1) is composed of a shifting fork (11) and a shifting fork rod (12), and the shifting fork (11) is fixedly sleeved on the shifting fork rod (12);
the lower end of the shifting fork rod (12) is provided with a shifting fork lower end support (121), and the upper end of the shifting fork rod (12) is provided with a shifting fork upper end support (122); an execution external thread (123) is arranged at the end part of the upper end support (122) of the shifting fork;
the executive motor assembly (2) comprises a motor end cover (22), a motor shell (24), a motor rotating shaft threaded sleeve (21) and a motor rotor (23); the motor shell (24) is fixed on the motor end cover (22), the motor rotor (23) is placed in the motor shell (24), the upper end of the motor rotating shaft threaded sleeve (21) penetrates into the motor shell (24) from the motor end cover (22) and is fixedly connected with the motor rotor (23), and an execution internal thread (211) is arranged on the inner wall of the motor rotating shaft threaded sleeve (21);
the execution internal thread (211) is in fit connection with the execution external thread (123).
2. The automatic transmission fork shift mechanism of claim 1, wherein: and a shifting fork lower end support (121) and a shifting fork upper end support (122) of the shifting fork rod (12) are used for being in sliding fit with the transmission shell.
3. The automatic transmission fork shift mechanism of claim 2, wherein: and the motor end cover (22) is fixedly arranged on the end surface of one side of the transmission box body.
4. An automatic transmission fork shift mechanism as set forth in claim 3, wherein: the execution external thread (123) is a T-shaped external thread, and the execution internal thread (211) is a T-shaped internal thread.
5. An automobile using the automatic transmission fork shift mechanism according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920341704.3U CN210034377U (en) | 2019-03-18 | 2019-03-18 | Automatic derailleur shift fork gearshift and adopt its car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920341704.3U CN210034377U (en) | 2019-03-18 | 2019-03-18 | Automatic derailleur shift fork gearshift and adopt its car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210034377U true CN210034377U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920341704.3U Active CN210034377U (en) | 2019-03-18 | 2019-03-18 | Automatic derailleur shift fork gearshift and adopt its car |
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| Country | Link |
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| CN (1) | CN210034377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798358A (en) * | 2019-03-18 | 2019-05-24 | 重庆青山工业有限责任公司 | Automatic transmission fork gearshift, shift execution method and automobile |
-
2019
- 2019-03-18 CN CN201920341704.3U patent/CN210034377U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798358A (en) * | 2019-03-18 | 2019-05-24 | 重庆青山工业有限责任公司 | Automatic transmission fork gearshift, shift execution method and automobile |
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