CN101328974B - Free position switch for hybrid power cars - Google Patents
Free position switch for hybrid power cars Download PDFInfo
- Publication number
- CN101328974B CN101328974B CN 200810127864 CN200810127864A CN101328974B CN 101328974 B CN101328974 B CN 101328974B CN 200810127864 CN200810127864 CN 200810127864 CN 200810127864 A CN200810127864 A CN 200810127864A CN 101328974 B CN101328974 B CN 101328974B
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- China
- Prior art keywords
- positioning seat
- pin
- hybrid power
- housing
- position switch
- 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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- 230000007935 neutral effect Effects 0.000 claims abstract description 31
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 14
- 230000006978 adaptation Effects 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
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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
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/38—Detents
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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
- F16H2059/6823—Sensing neutral state of the transmission
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
- Seats For Vehicles (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
Abstract
The invention belongs to the vehicular gear indication device technical field, in particular to a hybrid power vehicular neutral position switch. The hybrid power vehicular neutral position switch comprises a shell fixed on a gearbox, wherein, one end of a positioning seat and a gearshift finger outside the shell form a supporting fit, while the other end of the positioning seat is arranged in the shell and is connected with an insulated pin seat fixed on the shell through a first return spring; the positioning seat and the shell form a reclining fit capable of axially moving along the shell; one end of the positioning seat connected with the pin seat is provided with a reed which extends to the pin seat; a neutral position pin connected with a circuit outside the shell and an on-gear pin are respectively fixed on the pin seat along an axial direction of the pin seat; a pressure stroke of the first return spring ensures that the reed can respectively connected with the neutral position pin and the on-gear pin to send out a neutral signal and an on-gear signal. The hybrid power vehicular neutral position switch not only realizes a positioning seat function of the gearshift finger, but also realizes an indication function of gear, and has the advantages of simple structure and low cost.
Description
Technical field
The invention belongs to automobile-used gear indicating device technical field, be specifically related to a kind of free position switch for hybrid power cars.
Background technique
Hybrid vehicle is the direction of car industry development in from now on a period of time.Hybrid vehicle has in the market nearly all adopted the speed changer of AMT or AT, this speed changer directly export neutral gear by TCU (gearbox control unit) and at the signal of shelves to the vehicle-mounted CAN system.To gather the signal that comes by the CAN system and offer respectively HCU and ECU, motor just switches the start and stop state when only having two signals opposite, thereby avoids vehicle mis-usage.In order to reduce integral vehicle cost, improve fuel economy, mixed power system also can be selected to carry the MT gearbox, but the MT gearbox can not directly be exported neutral gear and at the shelves signal, so must take technical measures to make the MT gearbox can detect and export neutral gear and at the shelves signal.
Summary of the invention
The purpose of this invention is to provide a kind of free position switch for hybrid power cars, it can export in time the neutral gear signal and at the shelves signal, simple structure and cost are low.
For achieving the above object, the present invention has adopted following technological scheme: a kind of free position switch for hybrid power cars, this device comprises the housing that is fixedly installed on the gearbox, one end of positioning seat refers to consist of to lean cooperate with the gear shift of hull outside, the other end is arranged in the housing and is connected with the pin base of insulation on being fixed on housing by the first Returnning spring, positioning seat consists of and can cooperate along axially movable the reclining of housing with housing, positioning seat is provided with the reed that extends to pin base near an end of pin base, the neutral gear pin that links to each other with the circuit of hull outside is respectively arranged and at the shelves pin along its axial restraint on the pin base, the compression stroke of the first Returnning spring so that reed can be respectively link to each other to send the neutral gear signal and at the shelves signal with the neutral gear pin and at the shelves pin.
As shown from the above technical solution, when gear shift refers to rotate, refer to consist of with gear shift and lean positioning seat axially being moved along housing that cooperates, this moves axially and then is converted into the telescopic displacement of the first Returnning spring, and the reed on the positioning seat links to each other with the neutral gear pin and at the shelves pin respectively in this displacement range, and sends the neutral gear signal and at the shelves signal, by front described, the present invention has not only realized the positioning seat function that gear shift refers to, has also realized simultaneously the deixis of gear, and simple structure and cost are low.
Description of drawings
Fig. 1～4 are structural representation of the present invention;
Fig. 5 is the location state diagram of the present invention when being in neutral gear;
Fig. 6 is the location state diagram of the present invention when being in grade.
Embodiment
Shown in Fig. 1～6, be provided with positioning seat 20 and pin base 30 in the housing 10, the end that positioning seat 20 is positioned at housing 10 outsides and the gear shift of its side refer to that 60 consist of to lean and cooperate, to realize that gear shift is referred to 60 locating function; The neutral gear pin 31 that links to each other with the circuit in housing 10 outsides is respectively arranged and at shelves pin 32, be provided with the first Returnning spring 40 between pin base 30 and the termination of positioning seat 20 in housing 10 along its axial restraint on the pin base 30 of insulation.
The reed 21 of positioning seat 20 terminations links to each other with neutral gear pin 31 under the normal condition, and sends the neutral gear signal; When positioning seat 20 refers to 60 rotation along axially being moved to the inside of housing 10 of housing 10 with gear shift, because pin base 30 is fixed on the housing 10, therefore the first Returnning spring 40 pressurizeds shorten, reed 21 is separated along axial motion and the neutral gear pin 31 of housing 10, and finally be connected at shelves pin 32 and be emitted in a grade signal.When gear shift referred to 60 rotations and is returned to initial position, the first Returnning spring 40 also stretched and returns back to the home position, promoted simultaneously positioning seat 20 and replied initial positions and send the neutral gear signal, thereby intactly realized the function that gear is indicated.
From the above, switch, detection that the present invention will detect neutral gear merge into a single whole at the switch of shelves and the function of gear shift specific bit seat, the function of positioning seat 20 with switch organically combined by mechanical connection, refer to that with gear shift 60 metals that link to each other partly realize the positioning seat function, housing 10 is internally connected with the insulated part of pin and realizes switching function.This set has not only solved the arrangement space problem dexterously, and has reduced amount of parts, has also reduced the weight of transmission assembly, has reduced the assembling manufacturing procedure, has realized the function of a multipotency, has reduced simultaneously purchase cost.
Shown in Fig. 1～4, between described housing 10 and the gearbox for being threaded.
Be provided with outside thread on the outer ring surface of figure middle shell 10, be threaded simple installation and be easy to the dismounting, be convenient to the present invention is maintained.
As preferred version of the present invention, shown in Fig. 1～4, be provided with protuberance on the relative end face of described pin base 30 and positioning seat 20, the first Returnning spring 40 is set on the described protuberance.
Owing to be provided with this protuberance, therefore so that the location comparison of the first Returnning spring 40 is fixed, can not be subjected to displacement because of repeatedly flexible extruding, guaranteed stable operation of the present invention.
As another preferred version of the present invention, described pin base 30 is postponed to the outside of housing 10 along neutral gear pin 31 and at the bearing of trend of shelves pin 32 away from an end of positioning seat 20.
This mode of postponing can effectively be protected neutral gear pin 31 and get at the circuit that shelves pin 32 is connected to housing 10 outsides safely; make neutral gear pin 31 and avoid collision and the impact of miscellaneous part in the gearbox at shelves pin 32, thereby make the present invention can normally be emitted in grade signal and neutral gear signal.
As the further preferred version of the present invention, shown in Fig. 1～4, described positioning seat 20 refers to that with gear shift 60 ends that link to each other are provided with the cavity 24 that holds ball 50 and ball 50 is rolled therein, cavity 24 refers to that towards gear shift a side of 60 is provided with opening, the width of opening is less than the diameter of ball 50, and positioning seat 20 refers to that by ball 50 and gear shift 60 consist of to lean and cooperate.
From the above, because cavity 24 is a closing in shape that reduces formula, and the width of closing in place is less than the diameter of ball 50, so the some of ball 50 will be exposed to the outside of cavity 24, and the part that positioning seat 20 namely is exposed to the outside by ball 50 and gear shift refer to that 60 consist of to lean and cooperate.Be arranged so that positioning seat 20 and the gear shift of ball 50 change rolling friction into by sliding friction between referring to 60, thereby have reduced the frictional force between two parts, make the manipulation of gear shift action more light and convenient.
As the present invention's preferred version further, shown in Fig. 1～4, described ball 50 side relative with the opening of cavity 24 along the surface uniform of ball 50 be provided with some little balls 51, ball 50 is by being connected with positioning seat 20 with its formation little ball 51 that cooperates that rolls.
As preferred version of the present invention, as shown in Figure 2, described positioning seat 20 and pin base 30 relative ends are set to recess 25a, and an end of the first Returnning spring 40 leans on pin base 30, and the other end leans on the surface in recess 25a.
The setting of recess 25a has greatly reduced the metal consumption of positioning seat 20, is guaranteeing to have reduced product weight and manufacturing cost in the situation that the present invention can implement smoothly.
As preferred version of the present invention, shown in Fig. 3,4, the inboard of described positioning seat 20 is provided with the cavity 25 of hollow.
The cavity 25 of hollow can be closed shape, also can be connected with its outside.Cavity 25 the metal consumption that can greatly reduce equally positioning seat 20 is set, guaranteeing to have reduced product weight and manufacturing cost in the situation that the present invention can implement smoothly.
As the further preferred version of the present invention, as shown in Figure 3, the end that described positioning seat 20 links to each other with pin base 30 is provided with adapter 23, adapter 23 and positioning seat 20 consists of spacing cooperate and can moving axially along positioning seat 20, described the first Returnning spring 40 is arranged between pin base 30 and the adapter 23, reed 21 is arranged on the adapter 23, is provided with two ends in the described cavity 25 and is resisted against respectively the second Returnning spring 22 on adapter 23 and positioning seat 20 internal surfaces.
As previously mentioned, the present invention is provided with the second Returnning spring 22 in the cavity 25 of positioning seat 20, when gear shift refers to 60 rotation gear shift, ball 50 stressed and by little ball 51 with the pressure Transmit evenly to positioning seat 20 bodies, positioning seat 20 produces displacement and oppresses the second Returnning spring 22 along the axis of housing 10 and makes it to shorten, the second Returnning spring 22 acts on the first Returnning spring 40 by adapter 23, after this move as hereinbefore, reed 21 moves at shelves pin 32 by neutral gear pin 31 and is emitted in a grade signal; When resetting, the first Returnning spring 40 stretches and acts on the second Returnning spring 22, the second Returnning springs 22 by adapter 23 and promotes positioning seat 20 answer initial positions again.
The second Returnning spring 22 the various vibrations that can make the present invention adapt to better car body are set, also namely refer to 60 when slight vibration is arranged when positioning seat 20 or gear shift, the second Returnning spring 22 can produce the impact that deformation sponges this slight vibration, and is unlikely to cause positioning seat 20 along the axial generation displacement of housing 10 and makes the present invention send error signal.
As the present invention's preferred version further, as shown in Figure 4, described adapter 23 is by consisting of for the first adaptation element 23a and the second adaptation element 23b that inlays cooperation mutually, the first Returnning spring 40 is arranged between pin base 30 and the first adaptation element 23a, the second Returnning spring 22 is arranged between positioning seat 20 and the second adaptation element 23b, the first adaptation element 23a is identical with the material of pin base 30, the second adaptation element 23b consists of spacing the cooperation with positioning seat 20, and reed 21 links to each other to transmit electrical signal with the second adaptation element 23b.
This programme was set to the first adaptation element 23a and the second adaptation element 23b in 23 minutes with adapter, and the first adaptation element 23a also is insulating part and identical with the material of pin base 30, had therefore further saved metal consumption, had reduced manufacturing cost.
Claims (8)
1. free position switch for hybrid power cars, it is characterized in that: this device comprises the housing (10) that is fixedly installed on the gearbox, the gear shift in one end of positioning seat (20) and housing (10) outside refers to that (60) consist of to lean and cooperates, the other end is arranged in the housing (10) and is connected with the pin base (30) of insulation on being fixed on housing (10) by the first Returnning spring (40), positioning seat (20) consists of and can cooperate along axially movable the reclining of housing (10) with housing (10), positioning seat (20) is provided with the reed (21) that extends to pin base (30) near an end of pin base (30), pin base (30) is upper to have the neutral gear pin (31) that links to each other with the circuit in housing (10) outside respectively and in shelves pin (32) along its axial restraint, the compression stroke of the first Returnning spring (40) so that reed (21) can be respectively link to each other to send the neutral gear signal and at the shelves signal with neutral gear pin (31) and at shelves pin (32), the inboard of described positioning seat (20) is provided with the cavity (25) of hollow, the end that described positioning seat (20) links to each other with pin base (30) is provided with adapter (23), adapter (23) and positioning seat (20) consist of spacing cooperate and can moving axially along positioning seat (20), described the first Returnning spring (40) is arranged between pin base (30) and the adapter (23), reed (21) is arranged on the adapter (23), is provided with two ends in the described cavity (25) and is resisted against respectively the second Returnning spring (22) on adapter (23) and positioning seat (20) internal surface.
2. free position switch for hybrid power cars according to claim 1, it is characterized in that: described positioning seat (20) refers to that with gear shift the end that (60) link to each other is provided with the cavity (24) that holds ball (50) and ball (50) is rolled therein, cavity (24) refers to that towards gear shift a side of (60) is provided with opening, the width of opening is less than the diameter of ball (50), and positioning seat (20) refers to gear shift by ball (50) that (60) consist of to lean and cooperates.
3. free position switch for hybrid power cars according to claim 1 is characterized in that: be provided with protuberance on described pin base (30) end face relative with positioning seat (20), the first Returnning spring (40) is set on the described protuberance.
4. free position switch for hybrid power cars according to claim 1, it is characterized in that: described pin base (30) is postponed to the outside of housing (10) along neutral gear pin (31) and at the bearing of trend of shelves pin (32) away from an end of positioning seat (20).
5. free position switch for hybrid power cars according to claim 1 is characterized in that: between described housing (10) and the gearbox for being threaded.
6. according to claim 1 or 3 each described free position switch for hybrid power cars, it is characterized in that: the end that described positioning seat (20) is relative with pin base (30) is set to recess (25a), one end of the first Returnning spring (40) leans on pin base (30), and the other end leans on the surface in recess (25a).
7. free position switch for hybrid power cars according to claim 2, it is characterized in that: described ball (a 50) side relative with the opening of cavity (24) along the surface uniform of ball (50) be provided with some little balls (51), ball (50) is by being connected with positioning seat (20) with its formation little ball (51) that cooperates that rolls.
8. free position switch for hybrid power cars according to claim 1, it is characterized in that: described adapter (23) is by consisting of for the first adaptation element (23a) and second adaptation element (23b) of inlaying cooperation mutually, the first Returnning spring (40) is arranged between pin base (30) and the first adaptation element (23a), the second Returnning spring (22) is arranged between positioning seat (20) and the second adaptation element (23b), the first adaptation element (23a) is identical with the material of pin base (30), the second adaptation element (23b) consists of spacing the cooperation with positioning seat (20), and reed (21) links to each other to transmit electrical signal with the second adaptation element (23b).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810127864 CN101328974B (en) | 2008-07-07 | 2008-07-07 | Free position switch for hybrid power cars |
| PCT/CN2009/072643 WO2010003358A1 (en) | 2008-07-07 | 2009-07-06 | A neutral position switch for hybrid automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810127864 CN101328974B (en) | 2008-07-07 | 2008-07-07 | Free position switch for hybrid power cars |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101328974A CN101328974A (en) | 2008-12-24 |
| CN101328974B true CN101328974B (en) | 2013-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810127864 Active CN101328974B (en) | 2008-07-07 | 2008-07-07 | Free position switch for hybrid power cars |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101328974B (en) |
| WO (1) | WO2010003358A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328974B (en) * | 2008-07-07 | 2013-03-27 | 奇瑞汽车股份有限公司 | Free position switch for hybrid power cars |
| CN102175971B (en) * | 2011-02-18 | 2013-10-16 | 奇瑞汽车股份有限公司 | Relay state detection method and device of electric vehicle high-voltage system |
| CN106555874A (en) * | 2015-09-29 | 2017-04-05 | 长城汽车股份有限公司 | A kind of manual transmission neutral alignment system, variator and automobile |
| DE202015006951U1 (en) * | 2015-10-06 | 2017-01-10 | Gm Global Technology Operations, Llc | Manual actuating device |
| CN110230689B (en) * | 2018-03-06 | 2021-01-22 | 上海汽车集团股份有限公司 | Gear selecting and shifting device and gear shifting self-locking spring pin thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19835736A1 (en) * | 1998-08-07 | 2000-02-17 | Schaeffler Waelzlager Ohg | Fixture arrangement for adjustable or revolving positioning element, such as gear switch shaft in motor vehicle using spring loaded latch balls |
| CN2777738Y (en) * | 2004-11-26 | 2006-05-03 | 哈尔滨德利亚电子科技有限公司 | Electronic switch device of free position and reverse gear signal for automobile |
| KR100822552B1 (en) * | 2006-12-06 | 2008-04-16 | 위아 주식회사 | Position switch for sub transmission of the vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101328974B (en) * | 2008-07-07 | 2013-03-27 | 奇瑞汽车股份有限公司 | Free position switch for hybrid power cars |
-
2008
- 2008-07-07 CN CN 200810127864 patent/CN101328974B/en active Active
-
2009
- 2009-07-06 WO PCT/CN2009/072643 patent/WO2010003358A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19835736A1 (en) * | 1998-08-07 | 2000-02-17 | Schaeffler Waelzlager Ohg | Fixture arrangement for adjustable or revolving positioning element, such as gear switch shaft in motor vehicle using spring loaded latch balls |
| CN2777738Y (en) * | 2004-11-26 | 2006-05-03 | 哈尔滨德利亚电子科技有限公司 | Electronic switch device of free position and reverse gear signal for automobile |
| KR100822552B1 (en) * | 2006-12-06 | 2008-04-16 | 위아 주식회사 | Position switch for sub transmission of the vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010003358A1 (en) | 2010-01-14 |
| CN101328974A (en) | 2008-12-24 |
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Effective date of registration: 20160427 Address after: 241006 Wuhu economic and Technological Development Zone, Changchun Road, No. 8, No. Patentee after: CHERY AUTOMOBILE CO., LTD. Address before: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 8 Changchun Road Patentee before: Saic Chery Automobile Co., Ltd. |
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Address after: Hunan Road Wuhu economic and Technological Development Zone 241000 Anhui Fengming No. 11 Patentee after: Wuhu WanLiYang transmission Co., Ltd. Address before: 241006 Wuhu economic and Technological Development Zone, Changchun Road, No. 8, No. Patentee before: CHERY AUTOMOBILE CO., LTD. |