CN102410367B - Gear selecting position feedback device - Google Patents
Gear selecting position feedback device Download PDFInfo
- Publication number
- CN102410367B CN102410367B CN201110280040.2A CN201110280040A CN102410367B CN 102410367 B CN102410367 B CN 102410367B CN 201110280040 A CN201110280040 A CN 201110280040A CN 102410367 B CN102410367 B CN 102410367B
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- CN
- China
- Prior art keywords
- magnet ring
- reverse gear
- fixedly connected
- housing
- contiguous block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/68—Inputs being a function of gearing status
- F16H59/70—Inputs being a function of gearing status dependent on the ratio established
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/68—Inputs being a function of gearing status
- F16H59/70—Inputs being a function of gearing status dependent on the ratio established
- F16H2059/708—Sensing reverse gear, e.g. by a reverse gear switch
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention discloses a gear selecting position feedback device. The gear selecting position feedback device comprises a gear selecting shaft, a position sensor and a magnetic ring and is characterized by also comprising a shell, a magnetic ring connecting block and a gear reversing contact, wherein the shell supports two ends of the gear selecting shaft; the gear selecting shaft can axially slides on the shell; the magnetic ring connecting block is fixedly connected to the gear selecting shaft; the magnetic ring is fixedly connected to the magnetic ring connecting block; the position sensor matched with the magnetic ring is fixedly connected to the shell; a gear reversing switch is arranged on the shell; and a groove capable of being matched with a contact of the gear reversing switch is formed on the gear reversing contact. The gear reversing switch device and the gear selecting position feedback device are integrated, so the installation space is saved, and the whole automated mechanical transmission (AMT) actuating mechanism is more compact and attractive.
Description
Technical field
The present invention relates to automatic transmission actuator technical field, be specifically related to a kind of gear selecting position feedback device.
Technical background
In existing AMT system, most of magnetic induction linear position feedback means all adopts following arrangement: for example Chinese patent notification number: ZL200720123114.0, invention disclosed patent " shift executing mechanism of vehicle AMT automatic speed transmission ", the structure of this patent is: middle magnetic ring fixing rod is connected with detected member shifting shaft by screw thread, and magnet ring is installed in fixing rod rear end; The outer fixed mounting of fixing rod, mounting point sensor on fitting seat.When work, magnet ring is along with shifting shaft moves, and move thereupon in its magnetic field, and position transducer is converted into this changes of magnetic field voltage change output.
There is in actual use following problem in this device:
1. because car load needs empty reverse gear switch signal, and this device cannot provide; Need be at the empty reverse gear feedback means of other location arrangements in mechanism;
2. magnet ring fixing rod is by being threaded on shifting shaft, but fixing rod itself is a cantilever beam structure, and along with vehicle operating, vibration, this joint is very easily loosening, finally causes this apparatus function to lose efficacy;
3. the exposed fitting seat outside that is arranged in of position transducer, is very easily trampled or stone hits, protective extreme difference.
Summary of the invention
The object of the invention is for above-mentioned technical problem, provide a kind of gear selecting position feedback device that can feed back empty reverse gear signal, and the reliability of this device is high.
For realizing this object, a kind of gear selecting position feedback device that the present invention is designed, it comprises shift selection shaft, position transducer and magnet ring, it is characterized in that: it also comprises housing, magnet ring contiguous block and reverse gear contact, wherein, the two ends of described housings support shift selection shaft, shift selection shaft can slide axially on housing, on described shift selection shaft, be fixedly connected with reverse gear contact, on reverse gear contact, be fixedly connected with magnet ring contiguous block, on magnet ring contiguous block, be fixedly connected with magnet ring, on housing, be fixedly connected with the position transducer mating with magnet ring, housing is provided with reverse gear switch, on described reverse gear contact, offer can with the groove of the contacts mates of described reverse gear switch.
Described reverse gear contact is cylindric, and described groove is annular groove.
The top of described housing is provided with installation of sensors bearing, and position transducer is fixedly connected with housing by installation of sensors bearing.
The top of described housing offers slotted hole, described magnet ring contiguous block and magnet ring are through described slotted hole, and magnet ring can move in this slotted hole, the bottom of described installation of sensors bearing offers guiding groove, magnet ring contiguous block stretches out the part and guiding groove Spielpassung of slotted hole, and can in guiding groove, slide axially.
On described installation of sensors bearing, be provided with position transducer protective housing.
Described reverse gear contact is provided with positioning boss, and described magnet ring contiguous block is fixedly connected with the positioning boss of reverse gear contact by bolt; Magnet ring is fixedly connected with magnet ring contiguous block by standby jack panel.
The invention has the beneficial effects as follows: by be fixedly connected with reverse gear contact on shift selection shaft, and on reverse gear contact, offer can with the groove of the contacts mates of reverse gear switch, realize reverse gear switch device and gear selecting position feedback device have been integrated, save installing space, make whole AMT (Automated Mechanical Transmission, electrical control automatic manual transmission case) actuator compacter, attractive in appearance; Ring contiguous block is fixedly connected with reverse gear contact by bolt, and magnet ring is fixedly connected with magnet ring contiguous block by standby jack panel, makes connection more firm, has avoided cantilever beam structure, and entirety is difficult for loosening; Protective housing is arranged in position transducer outside, plays fixing and protective action simultaneously, avoids because trampling and falling rocks damages sensor.
Brief description of the drawings
Fig. 1 is that master of the present invention looks cross-sectional view;
Fig. 2 is that cross-sectional view is looked on the right side of the present invention;
Fig. 3 is the cross-sectional view of overlooking of the present invention.
Wherein, 1-reverse gear contact, 2-magnet ring contiguous block, 3-bolt, 4-magnet ring, 5-are for jack panel, 6-installation of sensors bearing, 7-position transducer, 8-sensor protective shield, 9-housing, 10-shift selection shaft, 11-reverse gear switch, 12-groove, 13-slotted hole, 14-guiding groove, 15-positioning boss.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail:
A kind of gear selecting position feedback device as shown in Figures 1 to 3, it comprises shift selection shaft 10, position transducer 7, magnet ring 4, housing 9, magnet ring contiguous block 2 and reverse gear contact 1, wherein, housing 9 supports the two ends of shift selection shaft 10, shift selection shaft 10 can slide axially on housing 9, on shift selection shaft 10, be fixedly connected with reverse gear contact 1, on reverse gear contact 1, be fixedly connected with magnet ring contiguous block 2, on magnet ring contiguous block 2, be fixedly connected with magnet ring 4, on housing 9, be fixedly connected with the position transducer 7 mating with magnet ring 4, housing 9 is provided with reverse gear switch 11, on reverse gear contact 1, offer can with the groove of the contacts mates of reverse gear switch 11 12.
In technique scheme, being shaped as of reverse gear contact 1 is cylindric, and groove 12 is annular groove.
In technique scheme, the top of housing 9 is provided with installation of sensors bearing 6, and position transducer 7 is fixedly connected with housing 9 by installation of sensors bearing 6.
In technique scheme, the top of housing 9 offers slotted hole 13, magnet ring contiguous block 2 and magnet ring 4 are through slotted hole 13, and magnet ring 4 can move in this slotted hole 13, the bottom of installation of sensors bearing 6 offers guiding groove 14, magnet ring contiguous block 2 stretches out the part and guiding groove 14 Spielpassung of slotted hole 13, and can in guiding groove 14, slide axially.Above-mentioned guiding groove 14 cannot rotate around shift selection shaft 10 magnet ring contiguous block 2.
In such scheme, on installation of sensors bearing 6, be provided with position transducer protective housing 8.This sensor protective shield 8 plays fixing and protective action, avoids because trampling and falling rocks damages sensor.
In technique scheme, 2 one-tenth " Z " fonts of magnet ring contiguous block, reverse gear contact 1 is provided with positioning boss 15, and the bottom of magnet ring contiguous block 2 is fixedly connected with the positioning boss 15 of reverse gear contact 1 by bolt 3; Magnet ring 4 is fixedly connected with the top of magnet ring contiguous block 2 by standby jack panel 5.The connection of said structure is more firm, has avoided cantilever beam structure, and entirety is difficult for loosening.
Working procedure of the present invention is: in practical work process, gear selection mechanism action, shift selection shaft 10 drives reverse gear contact 1 to move left and right, thereby drive the magnet ring 4 on magnet ring contiguous block 2 to move left and right, the variation in magnet ring 4 magnetic fields feeds back to transmission system control module TCU (Transmission Control Unit by position transducer 7 output voltage signals, automatic transmission case control unit), different output voltage values is corresponding no gear selecting position.
As shown in Figure 3: in the time that shift selection shaft 10 moves on to reverse gear position, in the ring groove of falling reverse gear contact 1 of reverse gear switch 11 contacts, trigger reverse gear signal.
And gearshift operating principle and gear selecting operating principle are just the same, just direction of action is different, has equally three positions, i.e. a neutral position, two work gears.
The content that this specification is not described in detail belongs to the known prior art of professional and technical personnel in the field.
Claims (5)
1. a gear selecting position feedback device, it comprises shift selection shaft (10), position transducer (7) and magnet ring (4), it is characterized in that: it also comprises housing (9), magnet ring contiguous block (2) and reverse gear contact (1), wherein, described housing (9) supports the two ends of shift selection shaft (10), shift selection shaft (10) can slide axially on housing (9), on described shift selection shaft (10), be fixedly connected with reverse gear contact (1), on reverse gear contact (1), be fixedly connected with magnet ring contiguous block (2), on magnet ring contiguous block (2), be fixedly connected with magnet ring (4), on housing (9), be fixedly connected with the position transducer (7) mating with magnet ring (4), housing (9) is provided with reverse gear switch (11), on described reverse gear contact (1), offer can with the groove (12) of the contacts mates of described reverse gear switch (11), described reverse gear contact (1) is provided with positioning boss (15), described magnet ring contiguous block (2) is fixedly connected with the positioning boss (15) of reverse gear contact (1) by bolt (3), magnet ring (4) is fixedly connected with magnet ring contiguous block (2) by standby jack panel (5).
2. gear selecting position feedback device according to claim 1, is characterized in that: described reverse gear contact (1) is for cylindric, and described groove (12) is annular groove.
3. gear selecting position feedback device according to claim 1 and 2, is characterized in that: the top of described housing (9) is provided with installation of sensors bearing (6), and position transducer (7) is fixedly connected with housing (9) by installation of sensors bearing (6).
4. gear selecting position feedback device according to claim 3, it is characterized in that: the top of described housing (9) offers slotted hole (13), described magnet ring contiguous block (2) and magnet ring (4) are through described slotted hole (13), and magnet ring (4) can move in this slotted hole (13), the bottom of described installation of sensors bearing (6) offers guiding groove (14), magnet ring contiguous block (2) stretches out the part and guiding groove (14) Spielpassung of slotted hole (13), and can in guiding groove (14), slide axially.
5. gear selecting position feedback device according to claim 3, is characterized in that: on described installation of sensors bearing (6), be provided with position transducer protective housing (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110280040.2A CN102410367B (en) | 2011-09-20 | 2011-09-20 | Gear selecting position feedback device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110280040.2A CN102410367B (en) | 2011-09-20 | 2011-09-20 | Gear selecting position feedback device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102410367A CN102410367A (en) | 2012-04-11 |
| CN102410367B true CN102410367B (en) | 2014-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110280040.2A Active CN102410367B (en) | 2011-09-20 | 2011-09-20 | Gear selecting position feedback device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102410367B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202834036U (en) * | 2012-09-27 | 2013-03-27 | 陕西法士特齿轮有限责任公司 | Auxiliary box gear detection device of speed changer |
| CN105458481A (en) * | 2014-08-29 | 2016-04-06 | 上海安莱德汽车零部件有限公司 | Detection device for fixing snap ring clamp of rear floor beam assembly of automobile |
| CN110985666A (en) * | 2019-12-18 | 2020-04-10 | 陕西法士特齿轮有限责任公司 | Electric gear selecting and shifting actuating mechanism |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6196077B1 (en) * | 1999-05-10 | 2001-03-06 | Hyundai Motor Co. | Automatic shift control device for electronic pneumatic shift system and method for controlling same |
| CN1583449A (en) * | 2003-08-22 | 2005-02-23 | 日商东海理化电机制作所股份有限公司 | Shift lever device |
| DE4208888B4 (en) * | 1992-03-19 | 2007-06-06 | Zf Sachs Ag | Arrangement for detecting the gear position of a motor vehicle gearbox |
| CN101344168A (en) * | 2008-08-18 | 2009-01-14 | 重庆大学 | Hydraulic change gear device of mechanical automatic speed transmission |
| CN101473150A (en) * | 2006-06-23 | 2009-07-01 | 奥迪股份公司 | Arrangement of position transmitters on a selector rod |
| CN102032335A (en) * | 2010-12-30 | 2011-04-27 | 浙江吉利汽车研究院有限公司 | Automotive AMT (Automatic Mechanical Transmission) gear selection actuating mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4877905B2 (en) * | 2005-08-03 | 2012-02-15 | 日産自動車株式会社 | Shift position detector for automatic manual transmission |
-
2011
- 2011-09-20 CN CN201110280040.2A patent/CN102410367B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4208888B4 (en) * | 1992-03-19 | 2007-06-06 | Zf Sachs Ag | Arrangement for detecting the gear position of a motor vehicle gearbox |
| US6196077B1 (en) * | 1999-05-10 | 2001-03-06 | Hyundai Motor Co. | Automatic shift control device for electronic pneumatic shift system and method for controlling same |
| CN1583449A (en) * | 2003-08-22 | 2005-02-23 | 日商东海理化电机制作所股份有限公司 | Shift lever device |
| CN101473150A (en) * | 2006-06-23 | 2009-07-01 | 奥迪股份公司 | Arrangement of position transmitters on a selector rod |
| CN101344168A (en) * | 2008-08-18 | 2009-01-14 | 重庆大学 | Hydraulic change gear device of mechanical automatic speed transmission |
| CN102032335A (en) * | 2010-12-30 | 2011-04-27 | 浙江吉利汽车研究院有限公司 | Automotive AMT (Automatic Mechanical Transmission) gear selection actuating mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102410367A (en) | 2012-04-11 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGFENG CAR CO. Free format text: FORMER OWNER: DONGFENG AUTOMOBILE CO., LTD. Effective date: 20130708 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20130708 Address after: 430056 Wuhan economic and Technological Development Zone, Hubei Province, Dongfeng Road, No. 1, No. Applicant after: Dongfeng Motor Corporation Address before: 430056 Dongfeng Road, Wuhan Economic & Technological Development Zone, Hubei, Wuhan, China, No. 10 Applicant before: DONGFENG MOTER Co.,Ltd. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |