CN205013670U - P shelves locking / unblock actuating mechanism of automotive electronics selector - Google Patents
P shelves locking / unblock actuating mechanism of automotive electronics selector Download PDFInfo
- Publication number
- CN205013670U CN205013670U CN201520765749.5U CN201520765749U CN205013670U CN 205013670 U CN205013670 U CN 205013670U CN 201520765749 U CN201520765749 U CN 201520765749U CN 205013670 U CN205013670 U CN 205013670U
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- worm
- worm screw
- shelves
- worm gear
- emergency release
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Abstract
The utility model discloses a P shelves locking / unblock actuating mechanism of automotive electronics selector, including derailleur body, support base, drive assembly, P shelves rocking arm and emergency release spanner. Drive assembly includes worm wheel, worm, rack and position sensor, and worm wheel, worm, rack set up in the main casing body forms the cavity with the end cover, and on position sensor located the end cover, the meshing of snail worm and wheel was connected, driving motor's output shaft and worm one end link firmly, are provided with the straight -tooth end on the worm wheel, and straight -tooth end and the coaxial setting of worm wheel, straight -tooth end and rack toothing, the one end of rack is connected with the actuating lever, the electricity is connected between position sensor and the driving motor, and position sensor is used for measuring worm wheel rotation angle. Through setting up position sensor, make brush position - - worm wheel corner - P shelves rocking arm position - bridge circuit voltage - driving motor's rotatory one -to -one, form feedback system, improved whole actuating mechanism's control accuracy.
Description
Technical field
The utility model belongs to automotive field, is specifically related to a kind of P shelves locking/unlock drive mechanism of automotive electronics selector.
Background technique
Current handle type selector drives the locking/unblock of P shelves by soft drawn rope, and as shown in Figure 1, its working procedure is: slam brake after starting motor car engine, and pressing P shelves locking button also drags handle to required gear; Adopt identical operation when stopping, and handle is shifted onto P shelves with parking.The defect of this handle type gearshift is: 1), have employed interlocking handle bulb and press-button structure, complex structure, design and produce cost high, maintenance and safeguard inconvenience; 2), the locking/unblock of P shelves is connected with handle by drag-line, and drive the arm strength by operator operate, required drive is comparatively greatly, inconvenient to female driver; 3), space shared by handle is unfavorable for more greatly effective utilization in space, and there is higher protrusion, is also unsafe factor.For above-mentioned defect, there is electric hand brake, but current automobile P shelves locking/unlock drive complex structure, and control accuracy is low.
Summary of the invention
The purpose of this utility model is the P shelves locking/unlock drive mechanism providing a kind of automotive electronics selector, solves automobile P shelves locking/unlock drive complex structure in prior art, technical problem that control accuracy is low.
To achieve these goals, the utility model realizes by the following technical solutions:
The P shelves locking/unlock drive mechanism of automotive electronics selector, comprises derailleur body, stand base, driven unit, P shelves rocking arm and emergency release spanner.
Described stand base is fixed in derailleur body, and stand base is provided with main casing, and main casing is provided with end cap, forms cavity between main casing and end cap; Described driven unit comprises worm gear, worm screw, tooth bar and position transducer, and wherein, worm gear, worm screw, tooth bar is arranged at main casing and end cap is formed in cavity, and position transducer is installed on end cap, and worm and wheel is connected with a joggle; Described main casing is provided with electric machine casing, drive motor is provided with in electric machine casing, output shaft and worm screw one end of drive motor are connected, the other end of worm screw is connected with main casing by clutch shaft bearing, described worm gear is provided with straight-tooth end, and straight-tooth end and worm gear are coaxially arranged, worm gear is connected with stand base by the second bearing; Described straight-tooth end engages with tooth bar, and tooth bar is connected with end cap by two sliding bearings, and one end of tooth bar is connected with driveshaft; Described position transducer is electrically connected with between drive motor, and position transducer is for measuring worm gear angle of swing.
One end of described P shelves rocking arm is hinged in derailleur body, and the other end and driveshaft differ from the one end being connected with tooth bar and be connected; Described emergency release spanner is arranged on worm screw and differs from the one end being connected with drive motor, and be provided with spring between emergency release spanner and worm screw, it is spline structure that worm screw differs from the one end being connected with drive motor, and emergency release spanner is spline structure near one end of worm screw; When pressing emergency release spanner, spring is compressed, then the spline engagement of emergency release spanner and worm screw.When pressing emergency release spanner, spring is compressed, then the spline engagement of emergency release spanner and worm screw.When non-working condition, emergency release spanner is backed down by the Compress Spring of inside, when drive motor drives worm screw to rotate, emergency release spanner can not rotate, and can not interfere with external devices, only has when under the state of emergency, by pressing emergency release spanner, contained spring is compressed, emergency release spanner and worm screw, by spline engagement, are rotated emergency release spanner and drive worm screw to rotate, thus make P shelves unblock/locking.When car load restores electricity, control unit passes through position transducer perception P shelves rocking arm position, without the need to manually resetting.
Described position transducer comprises the second fastening screw trip bolt, sensor housing, water proof rubber pad, rotating disk, brush and carbon film circuit board; Described sensor housing is fixed on end cap by the second fastening screw trip bolt, and between sensor housing and end cap, be provided with water proof rubber pad, rotating disk, brush and carbon film circuit board are arranged in the cavity between sensor housing and end cap, rotating disk and worm gear are coaxially connected, worm gear rotarily drives rotating disk and rotates together, and carbon film circuit board is arranged between rotating disk and worm gear, and carbon film circuit board is fixed on sensor housing, brush is riveted on rotating disk, and with carbon film circuit board contacts.Worm gear rotates and drags turntable rotation, and brush also rotates thereupon, and the brush of rotation is at the up one-tenth circular path of carbon film circuit board, and namely carbon film invests brush track place and form variable resistor; In rotation, the change of its resistance makes the voltage of control unit bridge circuit change, and namely outputs the position signal of brush.Due to brush position---one to one, the voltage signal that therefore control unit obtains is exactly the position signal of P shelves rocking arm to worm gear corner-P shelves rocking arm position-bridge circuit voltage.
Further improvement, is provided with seal ring between described electric machine casing and main casing, and electric machine casing is connected by the first fastening screw trip bolt and main casing, the little good airproof performance of matching gap, and anti-sealing etc. affect the normal work of drive motor.
Further improvement, the cross section of described turntable shaft is D shape, and the center hole of worm gear, straight-tooth end is D shape, and the D oblique crank Z of rotating disk and the D shape hole of worm gear are connected, and it is firm to connect, and ensure that the synchronous axial system of rotating disk and worm gear.
Further improvement, described tooth bar by universal ball end and driveshaft hinged, tooth bar is provided with ball-and-socket, and driveshaft is provided with bulb, and hinge point stuffing box gland is provided with rubber sleeve.Hinge point can not be polluted or corrosion by dust, water smoke etc., ensures the flexibility of its Universal active.Its technique puts into ball-and-socket for bulb is dipped in upper lubricating grease, closes up, bulb is locked in ball-and-socket, and bulb can be made relative to ball-and-socket flexible rotating with closing-up machine extruding, can realize reciprocating power and connect.
Further improvement, one end of described worm screw is offered porose, and the output shaft of drive motor is crimped on worm hole, is connected firmly without the need to bearings.
Further improvement, described worm screw end is external splines structure, and emergency release spanner is internal spline structure near one end of worm screw.
The stand base that the utility model comprises derailleur body and the driven unit be installed in stand base, by driven unit modularization, realize the connection of driven unit and speed changer by designing the stand base adapted for different speed changers, and without the need to redesigning motor drive component, shorten the cost such as development and Design, verification experimental verification, ensure the reliability of product; In addition, motor drive component possesses self-learning function, can adapt to different P shelves arm travels, makes it bring possibility from different vehicle adaptations.Wherein, position transducer is the feedback unit of native system, its feedback accuracy determines control accuracy and the logical relation of system, circuit unit in the utility model adopts film type carbon design, bridge circuit is formed with control unit, realizing the detecting to fixed carbon resister change, is system self study, intelligentized base unit.
Compared with prior art, the beneficial effects of the utility model are:
1, the P shelves locking/unlock drive mechanism of automotive electronics selector described in the utility model, by setting position sensor, making brush position---worm gear corner-P shelves rocking arm position-bridge circuit voltage is one to one, position transducer is the feedback unit of native system, improves the control accuracy of whole driving mechanism.
2, the P shelves locking/unlock drive mechanism of automotive electronics selector described in the utility model, by adopting worm and gear and rack structure that the rotation of motor is converted into the translation of tooth bar, compact structure, simple to operate.
3, the P shelves locking/unlock drive mechanism of automotive electronics selector described in the utility model, by arranging emergency release spanner, enables locking or the unblock of car load manual drives P shelves when power shortage, trailer when being convenient to sue and labour.
4, the P shelves locking/unlock drive mechanism of automotive electronics selector described in the utility model, tooth bar by universal ball end and driveshaft hinged, hinge point stuffing box gland is provided with rubber sleeve, hinge point can not be polluted or corrosion by dust, water smoke etc., ensure the flexibility of its Universal active.
5, the P shelves locking/unlock drive mechanism of automotive electronics selector described in the utility model, motor drive component can modularization, can adapt to different P shelves arm travels, and make itself and different vehicles adaptive, cost is low, stability is strong.
Accompanying drawing explanation
Fig. 1 is handle type selector structural representation in prior art.
Fig. 2 is the P shelves locking/unlock drive mechanism detonation configuration schematic diagram of automotive electronics selector described in the utility model.
Fig. 3 is the detonation configuration figure of position transducer described in the utility model.
Fig. 4 is tooth bar described in the utility model, driveshaft structural representation.
Fig. 5 is the structural representation of driven unit described in the utility model.
Fig. 6 is the structural representation of the P shelves locking/unlock drive mechanism of automotive electronics selector described in the utility model.
Specific embodiment
For making the purpose of this utility model and technological scheme clearly, below in conjunction with the utility model, embodiment is clearly and completely described the technical solution of the utility model.
As shown in figures 2-6, the P shelves locking/unlock drive mechanism of automotive electronics selector, comprises derailleur body 22, stand base 1, driven unit, P shelves rocking arm 21 and emergency release spanner 11.
Described stand base 1 is fixed in derailleur body 22, stand base 1 is provided with main casing 2, main casing 2 is provided with end cap 3, forms cavity between main casing 2 and end cap 3; Described driven unit comprises worm gear 12, worm screw 9, tooth bar 16 and position transducer 4, wherein, worm gear 12, worm screw 9, tooth bar 16 be arranged at main casing 2 and end cap 3 is formed in cavity, position transducer 4 is installed on end cap 3, and worm screw 9 and worm gear 12 are connected with a joggle; Described main casing 2 is provided with electric machine casing 5, drive motor 8 is provided with in electric machine casing 5, output shaft and worm screw 9 one end of drive motor 8 are connected, the other end of worm screw 9 is connected with main casing 2 by clutch shaft bearing 10, described worm gear 12 is provided with straight-tooth end 15, and straight-tooth end 15 and worm gear 12 are coaxially arranged, worm gear 12 is connected with stand base 1 by the second bearing 13; Described straight-tooth end 15 engages with tooth bar 16, and tooth bar 16 is connected with end cap 3 by two sliding bearings 17, and one end of tooth bar 16 is connected with driveshaft 19; Described position transducer 4 is electrically connected with between drive motor 8, and position transducer 4 is for measuring worm gear 12 angle of swing.One end of described P shelves rocking arm 21 is hinged in derailleur body 22, and the other end is connected with the end of driveshaft 19; Described emergency release spanner 11 is arranged on the end of worm screw 9, is provided with spring between the end of emergency release spanner 11 and worm screw 9, and worm screw 9 end is spline structure, and emergency release spanner 11 is spline structure near one end of worm screw 9; When pressing emergency release spanner 11, spring is compressed, then the spline engagement of emergency release spanner 11 and worm screw 9.
The working procedure of driving mechanism described in the utility model is as follows: position transducer 4 is the detections to worm gear 12 angle position, judge that speed changer P shelves rocking arm 21 present position is in the locking position of P shelves or separates lock-bit with this, namely judge the forward or reverse of drive motor 8 and running or stopping with this.Drive motor 8 drives worm screw 9 under the signal function of position transducer 4, worm gear 12 rotates, straight-tooth end 15 drives the tooth bar 16 be meshed to move, making the moment of rotation of drive motor 8 through amplifying the translation becoming tooth bar 16, promoting speed changer P shelves rocking arm 21 with this and carrying out locking or unblock.When adopting emergency release spanner 11 to enable car load power shortage, the locking of manual drives P shelves or unblock, be that automatic gearbox changes the stronger requisite driver element of knob electronic gear shifter of science and technology sense into by handle type selector traditional at present.When non-working condition, emergency release spanner 11 is backed down by the Compress Spring of inside, and when drive motor 8 drives worm screw 9 to rotate, emergency release spanner 11 can not rotate, and can not interfere with external devices.Under the state of emergency of car load power failure, by pressing emergency release spanner 11, contained spring is compressed, then emergency release spanner 11 and worm screw 9 are by spline engagement, rotate emergency release spanner 11 and drive worm screw 9 to rotate, thus make P shelves unblock/locking.When car load restores electricity, control unit by position transducer perception P shelves rocking arm position, without the need to manually resetting, simple and compact structure, to operate steadily and reliable.
Wherein, position transducer 4 turntable 4-4D oblique crank Z matches with the D shape hole of worm gear 12, realizes the transmission of corner; Worm gear 12 rotates and drags rotating disk 4-4 rotation, and on rotating disk 4-4, the brush 4-5 of riveted joint also rotates thereupon, and the brush 4-5 of rotation is at the up one-tenth circular path of carbon film circuit board, and namely carbon film invests brush track place and form variable resistor; In rotation, the change of its resistance makes the voltage of control unit bridge circuit change, and namely outputs the position signal of brush.Because brush position-worm gear corner-P shelves rocking arm position-bridge circuit voltage is one to one, the voltage signal that therefore control unit obtains is exactly the position signal of P shelves rocking arm.Position transducer 4 is feedback units of native system, its feedback accuracy determines control accuracy and the logical relation of mechanism, circuit unit in the utility model adopts film type carbon design, realizing the detecting to fixed carbon resister change with control unit composition bridge circuit, is system self study, intelligentized base unit.
Do not do in the utility model illustrate be prior art or can be realized by prior art, and described in the utility model, concrete case study on implementation is only better case study on implementation of the present utility model, is not used for limiting practical range of the present utility model.Namely all equivalences done according to the content of the utility model claim change and modify, all should as technology category of the present utility model.
Claims (7)
1. the P shelves locking/unlock drive mechanism of automotive electronics selector, is characterized in that, comprising:
Derailleur body (22);
Stand base (1), described stand base (1) is fixed in derailleur body (22), stand base (1) is provided with main casing (2), main casing (2) is provided with end cap (3), forms cavity between main casing (2) and end cap (3);
Driven unit, described driven unit comprises worm gear (12), worm screw (9), tooth bar (16) and position transducer (4), wherein, worm gear (12), worm screw (9), tooth bar (16) be arranged at main casing (2) and end cap (3) formed in cavity, position transducer (4) is installed on end cap (3), and worm screw (9) and worm gear (12) are connected with a joggle; Described main casing (2) is provided with electric machine casing (5), drive motor (8) is provided with in electric machine casing (5), the output shaft of drive motor (8) and one end of worm screw (9) are connected, the other end of worm screw (9) is connected with main casing (2) by clutch shaft bearing (10), described worm gear (12) is provided with straight-tooth end (15), and straight-tooth end (15) and worm gear (12) are coaxially arranged, worm gear (12) is connected with stand base (1) by the second bearing (13); Described straight-tooth end (15) is engaged with tooth bar (16), and tooth bar (16) is connected with end cap (3) by two sliding bearings (17), and one end of tooth bar (16) is connected with driveshaft (19); Be electrically connected between described position transducer (4) with drive motor (8), position transducer (4) is for measuring worm gear (12) angle of swing;
P shelves rocking arm (21), one end of described P shelves rocking arm (21) is hinged in derailleur body (22), and the other end and driveshaft (19) differ from the one end being connected with tooth bar (16) and be connected;
Emergency release spanner (11), described emergency release spanner (11) is arranged on worm screw (9) and differs from the one end being connected with drive motor (8), and be provided with spring between emergency release spanner (11) and worm screw (9), it is spline structure that worm screw (9) differs from the one end being connected with drive motor (8), and emergency release spanner (11) is spline structure near one end of worm screw (9); When pressing emergency release spanner (11), spring is compressed, then the spline engagement of emergency release spanner (11) and worm screw (9).
2. the P shelves locking/unlock drive mechanism of automotive electronics selector according to claim 1, it is characterized in that, be provided with seal ring (6) between described electric machine casing (5) and main casing (2), electric machine casing (5) is connected by the first fastening screw trip bolt (7) and main casing (2).
3. the P shelves locking/unlock drive mechanism of automotive electronics selector according to claim 1, it is characterized in that, described position transducer (4) comprises the second fastening screw trip bolt (4-1), sensor housing (4-2), water proof rubber pad (4-3), rotating disk (4-4), brush (4-5) and carbon film circuit board (4-6), described sensor housing (4-2) is fixed on end cap (3) by the second fastening screw trip bolt (4-1), and be provided with water proof rubber pad (4-3) between the joint of sensor housing (4-2) and end cap (3), rotating disk (4-4), brush (4-5) and carbon film circuit board (4-6) are arranged in the cavity between sensor housing (4-2) and end cap (3), rotating disk (4-4) and worm gear (12) are coaxially connected, worm gear (12) rotarily drives rotating disk (4-4) and rotates together, carbon film circuit board (4-6) is arranged between rotating disk (4-4) and worm gear (12), and carbon film circuit board (4-6) is fixed on sensor housing (4-2), brush (4-5) is riveted on rotating disk (4-4), and contact with carbon film circuit board (4-6).
4. the P shelves locking/unlock drive mechanism of automotive electronics selector according to claim 3, it is characterized in that, the cross section of described rotating disk (4-4) axle is D shape, the center hole of worm gear (12), straight-tooth end (15) is D shape, and the D oblique crank Z of rotating disk (4-4) and the D shape center hole of worm gear (12) are connected.
5. the P shelves locking/unlock drive mechanism of automotive electronics selector according to claim 1, it is characterized in that, described tooth bar (16) by universal ball end and driveshaft (19) hinged, wherein, tooth bar (16) is provided with ball-and-socket, driveshaft (19) is provided with bulb, and hinge point stuffing box gland is provided with rubber sleeve (20).
6. the P shelves locking/unlock drive mechanism of automotive electronics selector according to claim 1, is characterized in that, one end of described worm screw (9) is offered porose, and the output shaft of drive motor (8) is crimped on worm screw (9) hole.
7. the P shelves locking/unlock drive mechanism of automotive electronics selector according to claim 1, is characterized in that, described worm screw (9) end is external splines structure, and emergency release spanner (11) is internal spline structure near one end of worm screw (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520765749.5U CN205013670U (en) | 2015-09-30 | 2015-09-30 | P shelves locking / unblock actuating mechanism of automotive electronics selector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520765749.5U CN205013670U (en) | 2015-09-30 | 2015-09-30 | P shelves locking / unblock actuating mechanism of automotive electronics selector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205013670U true CN205013670U (en) | 2016-02-03 |
Family
ID=55212274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520765749.5U Withdrawn - After Issue CN205013670U (en) | 2015-09-30 | 2015-09-30 | P shelves locking / unblock actuating mechanism of automotive electronics selector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205013670U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179670A (en) * | 2015-09-30 | 2015-12-23 | 南京博士朗电子技术有限公司 | Gear-P locking/unlocking drive mechanism for automobile electronic gear shifter |
| CN106704581A (en) * | 2016-11-11 | 2017-05-24 | 广州汽车集团股份有限公司 | Unlocking device for automatic gear shifting device and automatic gear shifting device |
| CN107606130A (en) * | 2017-08-03 | 2018-01-19 | 广州汽车集团股份有限公司 | Gear shifting actuating mechanism |
| CN110030373A (en) * | 2017-12-28 | 2019-07-19 | 德韧营运有限责任公司 | The shifting of transmission component that position automatically resets |
| CN110637181A (en) * | 2017-05-10 | 2019-12-31 | 康斯博格汽车部件集团股份公司 | Linear actuator with safety mechanism |
-
2015
- 2015-09-30 CN CN201520765749.5U patent/CN205013670U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105179670A (en) * | 2015-09-30 | 2015-12-23 | 南京博士朗电子技术有限公司 | Gear-P locking/unlocking drive mechanism for automobile electronic gear shifter |
| CN105179670B (en) * | 2015-09-30 | 2017-12-19 | 南京博士朗电子技术有限公司 | P shelves locking/unblock drive mechanism of automotive electronics selector |
| CN106704581A (en) * | 2016-11-11 | 2017-05-24 | 广州汽车集团股份有限公司 | Unlocking device for automatic gear shifting device and automatic gear shifting device |
| CN110637181A (en) * | 2017-05-10 | 2019-12-31 | 康斯博格汽车部件集团股份公司 | Linear actuator with safety mechanism |
| CN110637181B (en) * | 2017-05-10 | 2021-06-01 | 康斯博格汽车部件集团股份公司 | Linear actuator with safety mechanism |
| CN107606130A (en) * | 2017-08-03 | 2018-01-19 | 广州汽车集团股份有限公司 | Gear shifting actuating mechanism |
| CN110030373A (en) * | 2017-12-28 | 2019-07-19 | 德韧营运有限责任公司 | The shifting of transmission component that position automatically resets |
| CN110030373B (en) * | 2017-12-28 | 2021-06-01 | 德韧营运有限责任公司 | Transmission shifting assembly with automatic position reset |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160203 Effective date of abandoning: 20171219 |