CN103089992B - Automatic transmission clutch actuating mechanism - Google Patents
Automatic transmission clutch actuating mechanism Download PDFInfo
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- CN103089992B CN103089992B CN201310019429.0A CN201310019429A CN103089992B CN 103089992 B CN103089992 B CN 103089992B CN 201310019429 A CN201310019429 A CN 201310019429A CN 103089992 B CN103089992 B CN 103089992B
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- gear
- nut
- screw rod
- clutch
- actuating mechanism
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Abstract
The invention belongs to the field of clutch actuating mechanisms. An automatic transmission clutch actuating mechanism comprises a clutch motor, a screw rod, a shifter shaft fixedly connected with a clutch shifter, and a transmission mechanism comprising a nut, a gear and a rack. The nut is in threaded connection with the screw rod and can move along the screw rod, the gear is fixedly connected with the shifter shaft, and the rack is fixedly connected with the nut. The rack is matched with the gear, drives the gear to rotate and accordingly drives the shifter shaft to rotate. The automatic transmission clutch actuating mechanism uses the transmission mechanism comprising the nut, the gear and the rack to take the place of a worm wheel in the prior. The nut moves along the screw rod and is small in fiction force. The gear is matched with the rack, the transmission efficiency is high, and the service life is long. By means of the transmission mechanism, the problem of low transmission efficiency caused by the worm wheel and a worm in the prior art is solved.
Description
Technical field
The invention belongs to the actuator field of clutch, particularly relate to a kind of automatic transmission clutch actuator comprising screw rod, nut and rack and pinion drive.
Background technique
In prior art, mechanical clutch actuator of automatic gearbox many employings worm gearing, but because there is engaging friction loss in worm gearing, therefore its transmission efficiency generally only has about 50%.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of automatic transmission clutch actuator, solves the problem that in prior art, automatic transmission case clutch actuating mechanism transmission efficiency is low.
To achieve these goals, the invention provides following technological scheme:
A kind of automatic transmission clutch actuator, comprising:
Clutch motor;
Screw rod, described screw rod is connected with described clutch motor and is driven by described clutch motor;
Declutch shift shaft, described declutch shift shaft is fixedly connected with clutch shifter;
Driving mechanism, described driving mechanism comprises nut, gear and tooth bar; Wherein, described nut is connected with described screw flight and can moves along described screw rod, and described gear is fixedly connected with described declutch shift shaft, and described tooth bar is fixedly connected on described nut;
Described tooth bar matches with described gear, pinion rotation described in described rack drives thus drive described declutch shift shaft to rotate.
Preferably, described clutch shifter is connected with release bearing.
Preferably, described screw rod is connected with spring bearing, and described spring bearing is distributed in the both sides of described nut.
Preferably, described nut inner wall is provided with ball, and described nut is connected with described screw rod by described ball.
Preferably, described gear is straight toothed spur gear.
Preferably, described gear and described declutch shift shaft are socketed.
Preferably, described gear and described declutch shift shaft integrally formed.
At least there is following technique effect in the embodiment of the present invention:
1) the present invention's driving mechanism replaces worm gear of the prior art, and described driving mechanism comprises nut, gear and tooth bar; Wherein, nut moves along screw rod, and frictional force is less; Gear rack matches, and its transmission efficiency is high, the life-span is long.By driving mechanism of the present invention, instant invention overcomes and adopt worm and gear in prior art and the low problem of the transmission efficiency caused.
2) nut of the present invention is connected with described screw rod by ball, thus reduces the frictional force between described nut and described screw rod further, improves the transmission efficiency of clutch actuating mechanism of the present invention.
Accompanying drawing explanation
Fig. 1 is the side view of the actuator of the embodiment of the present invention;
Fig. 2 is the plan view of the actuator of the embodiment of the present invention;
Number in the figure is as follows:
100-clutch motor;
200-screw rod, 201-first spring bearing, 202-second spring bearing;
300-declutch shift shaft, 301-clutch shifter, 302-release bearing;
401-nut, 402-gear, 403-tooth bar.
Label identical in all of the figs indicates similar or corresponding feature or function
Embodiment
For making the object of the embodiment of the present invention, technological scheme and advantage clearly, below in conjunction with accompanying drawing, specific embodiment is described in detail.
A kind of automatic transmission clutch actuator, comprising:
Clutch motor 100;
Screw rod 200, described screw rod 200 is connected with described clutch motor 100 and is driven by it;
Declutch shift shaft 300, described declutch shift shaft 300 is fixedly connected with clutch shifter 301;
Driving mechanism, described driving mechanism comprises nut 401, gear 402 and tooth bar 403; Wherein, described nut 401 is threaded with described screw rod 200 and can moves along described screw rod 200, and described gear 402 is fixedly connected with described declutch shift shaft 300, and described tooth bar 403 is fixedly connected on described nut 401;
Described tooth bar 403 matches with described gear 402, and described tooth bar 403 drives described gear 402 to rotate thus drives described declutch shift shaft 300 to rotate.
The present invention's driving mechanism replaces worm gear of the prior art, and driving mechanism comprises nut 401, gear 402 and tooth bar 403; Wherein, nut 401 moves along screw rod 200, and frictional force is less; Gear 402 tooth bar 403 matches, and its transmission efficiency is high, the life-span is long.By driving mechanism of the present invention, instant invention overcomes and adopt worm and gear in prior art and the low problem of the transmission efficiency caused.
Fig. 1 is the side view of the actuator of the embodiment of the present invention, Fig. 2 is the plan view of the actuator of the embodiment of the present invention, as depicted in figs. 1 and 2, described clutch shifter 301 is connected with release bearing 302, and described clutch shifter 301 is for controlling described release bearing 302.
As shown in Figure 2, described tooth bar 403 extends along the direction of described screw rod 200, and described tooth bar 403 is followed described nut 401 and moved along screw rod 200, thus makes described tooth bar 403 drive described gear 402 to rotate centered by declutch shift shaft 300.
Described screw rod 200 is connected with spring bearing, and described spring bearing is distributed in the both sides of described nut 401, and as depicted in figs. 1 and 2, in the present embodiment, described spring bearing is made up of the first spring bearing 201 and the second spring bearing 202.
In the present embodiment, described nut 401 inwall is provided with ball (not shown), and described nut 401 is connected with described screw rod 200 by described ball, thus reduces the frictional force between described nut 401 and described screw rod 200 further.
As depicted in figs. 1 and 2, straight toothed spur gear selected by described gear 402, and described gear 402 is socketed with described declutch shift shaft 300, thus facilitates the replacing of gear 402 or described declutch shift shaft 300; In other embodiments, described gear 402 can be integrally formed with described declutch shift shaft 300, thus increase the synchronism that described gear 402 moves with described declutch shift shaft 300.
As from the foregoing, the embodiment of the present invention has following advantage:
1) the present invention's driving mechanism replaces worm gear of the prior art, and described driving mechanism comprises nut 401, gear 402 and tooth bar 403; Wherein, nut 401 moves along screw rod 200, and frictional force is less; Gear 402 matches with tooth bar 403, and its transmission efficiency is high, the life-span is long.By driving mechanism of the present invention, instant invention overcomes and adopt worm and gear in prior art and the low problem of the transmission efficiency caused, through actual verification, transmission efficiency of the present invention can reach about 90%.
2) nut 401 inwall is provided with ball, and described nut 401 is connected with described screw rod 200 by described ball, thus reduces the frictional force between described nut 401 and described screw rod 200 further, improves the transmission efficiency of clutch actuating mechanism of the present invention.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. an automatic transmission clutch actuator, is characterized in that, comprising:
Clutch motor (100);
Screw rod (200), described screw rod (200) is connected with described clutch motor (100) and is driven by described clutch motor (100);
Declutch shift shaft (300), described declutch shift shaft (300) is fixedly connected with clutch shifter (301);
Driving mechanism, described driving mechanism comprises nut (401), gear (402) and tooth bar (403); Wherein, described nut (401) is threaded with described screw rod (200) and can be mobile along described screw rod (200), described gear (402) is fixedly connected with described declutch shift shaft (300), and described tooth bar (403) is fixedly connected on described nut (401);
Described tooth bar (403) matches with described gear (402), and described tooth bar (403) drives described gear (402) rotate thus drive described declutch shift shaft (300) to rotate.
2. clutch actuating mechanism according to claim 1, is characterized in that,
Described clutch shifter (301) is connected with release bearing (302).
3. clutch actuating mechanism according to claim 1, is characterized in that,
Described screw rod (200) is connected with spring bearing, and described spring bearing is distributed in the both sides of described nut (401).
4. clutch actuating mechanism according to claim 1, is characterized in that,
Described nut (401) inwall is provided with ball, and described nut (401) is connected with described screw rod (200) by described ball.
5. clutch actuating mechanism according to claim 1, is characterized in that,
Described gear (402) is straight toothed spur gear.
6. clutch actuating mechanism according to claim 1, is characterized in that,
Described gear (402) and described declutch shift shaft (300) are socketed.
7. clutch actuating mechanism according to claim 1, is characterized in that,
Described gear (402) is integrally formed with described declutch shift shaft (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310019429.0A CN103089992B (en) | 2013-01-18 | 2013-01-18 | Automatic transmission clutch actuating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310019429.0A CN103089992B (en) | 2013-01-18 | 2013-01-18 | Automatic transmission clutch actuating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103089992A CN103089992A (en) | 2013-05-08 |
| CN103089992B true CN103089992B (en) | 2015-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310019429.0A Active CN103089992B (en) | 2013-01-18 | 2013-01-18 | Automatic transmission clutch actuating mechanism |
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| Country | Link |
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| CN (1) | CN103089992B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421892B (en) * | 2013-09-02 | 2019-08-13 | 深圳市海洋王照明工程有限公司 | Rotating lamp holder |
| CN103603883A (en) * | 2013-11-08 | 2014-02-26 | 南宁市西真电子科技开发有限公司 | Stay wire type automatic clutch actuator |
| CN103953725B (en) * | 2014-05-13 | 2016-01-20 | 清华大学 | A kind of clutch actuating mechanism of automatic mechanical speed variator |
| CN104772770B (en) * | 2015-04-03 | 2017-02-22 | 深圳市荣德机器人科技有限公司 | Joint reduction gear |
| CN105437786A (en) * | 2015-12-14 | 2016-03-30 | 广州市宝比万像科技有限公司 | Limiting device and printer |
| FR3062700B1 (en) * | 2017-02-07 | 2020-05-01 | Renault S.A.S | MOTION TRANSMISSION DEVICE FOR A SHIFT TRANSMISSION ACTUATOR |
| CN107282378B (en) * | 2017-08-23 | 2023-06-23 | 柏永茂 | Glue gun and transmission device thereof |
| CN108260553B (en) * | 2017-12-13 | 2021-08-27 | 安徽颍沃水产养殖有限公司 | Fishery breeding feeder based on centrifugal force scattering |
| CN112443588B (en) * | 2019-08-30 | 2022-03-15 | 比亚迪股份有限公司 | Clutch control mechanism and vehicle |
| CN111043301A (en) * | 2019-11-25 | 2020-04-21 | 苏州格特钠汽车技术有限公司 | Gear shifting device of automatic gearbox of electric vehicle |
| CN110905705B (en) * | 2019-12-02 | 2021-06-11 | 宁波奥博汽车电器有限公司 | Automobile starter |
Citations (4)
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|---|---|---|---|---|
| CN101440846A (en) * | 2008-10-17 | 2009-05-27 | 重庆青山工业有限责任公司 | Clutch actuating mechanism of automatic mechanical speed variator |
| CN201827266U (en) * | 2010-05-21 | 2011-05-11 | 北京工业大学 | General electric clutch actuating mechanism for mechanical automatic gearbox |
| CN201836262U (en) * | 2010-05-31 | 2011-05-18 | 南京奥联动力传动科技有限公司 | Push rod type AMT (automatic-manual integrated) clutch actuating mechanism |
| CN102109018A (en) * | 2011-04-06 | 2011-06-29 | 广东戈兰玛汽车系统有限公司 | Clutch execution mechanism for electric control automatic mechanical transmission |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004308709A (en) * | 2003-04-03 | 2004-11-04 | Exedy Corp | Clutch operating mechanism |
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- 2013-01-18 CN CN201310019429.0A patent/CN103089992B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101440846A (en) * | 2008-10-17 | 2009-05-27 | 重庆青山工业有限责任公司 | Clutch actuating mechanism of automatic mechanical speed variator |
| CN201827266U (en) * | 2010-05-21 | 2011-05-11 | 北京工业大学 | General electric clutch actuating mechanism for mechanical automatic gearbox |
| CN201836262U (en) * | 2010-05-31 | 2011-05-18 | 南京奥联动力传动科技有限公司 | Push rod type AMT (automatic-manual integrated) clutch actuating mechanism |
| CN102109018A (en) * | 2011-04-06 | 2011-06-29 | 广东戈兰玛汽车系统有限公司 | Clutch execution mechanism for electric control automatic mechanical transmission |
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| Publication number | Publication date |
|---|---|
| CN103089992A (en) | 2013-05-08 |
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Effective date of registration: 20190401 Address after: 317000 east gate of Taizhou City, Zhejiang Province Co-patentee after: Zhejiang Geely Holding Group Co., Ltd. Patentee after: Zhejiang Geely Automobile Research Institute Co., Ltd. Address before: 311228 No. 206 Farmer's Second House in Linjiang Industrial Park, Xiaoshan District, Hangzhou City, Zhejiang Province Co-patentee before: Zhejiang Geely Automobile Research Institute Co., Ltd. Patentee before: Hangzhou Branch, Zhejiang Geely Automobile Research Institute Co., Ltd. Co-patentee before: Zhejiang Geely Holding Group Co., Ltd. |
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