CN207661125U - A kind of shift detection device for two-gear transmission - Google Patents
A kind of shift detection device for two-gear transmission Download PDFInfo
- Publication number
- CN207661125U CN207661125U CN201721362563.0U CN201721362563U CN207661125U CN 207661125 U CN207661125 U CN 207661125U CN 201721362563 U CN201721362563 U CN 201721362563U CN 207661125 U CN207661125 U CN 207661125U
- Authority
- CN
- China
- Prior art keywords
- shift
- worm gear
- shaft
- shell
- magnet
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of shift detection devices for two-gear transmission, including gearshift, gearshift includes pedestal, shift shell and shift motor, pedestal is fixed on case of transmission, support is provided for case of transmission, shift motor is fixed on shift shell, worm gear is fixedly connected with shaft, the central axis of worm gear twisted rotary shaft together with shaft, shaft lower end is fixedly connected with fork head, worm gear rotation is driven when gear shifting motor moves, while driving the central axis of shift fork head around the shaft by shaft；And it is fixedly connected with magnet in worm gear upper surface, there is Hall sensor in magnet side, when worm gear, which rotates, carries out gear shift, worm gear can drive magnet rotors certain angle, changes of magnetic field caused by magnet limb motion is detected by Hall sensor, to obtain the angle of worm gear rotation, and then obtain the position of shift.Compared with prior art, the accuracy of new-energy automobile self shifter is improved, gearshift running position is accurately measured.
Description
Technical field
The utility model is related to automobile productions and design field, specifically a kind of to be used for changing for two-gear transmission
Keep off detection device.
Background technology
New-energy automobile majority connects motor and drive axle with retarder, in order to improve the power performance of vehicle, increasingly
More new-energy automobiles uses two speed transmission.While in order to simplify the operation to two speed transmission of user, two grades of speed changes
Device uses self shifter.Original gearshift is by allowing testing agency to be position by using brush contact to gearshift
It is detected, the jump implementations that measurement gearshift running position signal can be made to occur cannot accurately reflect the position of shift
It sets, it is inaccurate to make the shift of two speed transmission control, influence usage experience.Based on this, need to find a kind of for two
The shift detection device of shift transmission avoids brush from measuring the jump implementations that gearshift running position signal occurs, to carry
The accuracy of high new-energy automobile self shifter accurately measures gearshift running position.
Utility model content
Purpose of the utility model is to solve lacking for the position signal inaccuracy of the detection of brush contact in the prior art
It falls into, a kind of shift detection device for two-gear transmission is provided, avoid brush from measuring gearshift running position signal and occur
Jump implementations accurately measure gearshift running position to improve the accuracy of new-energy automobile self shifter.
To achieve the goals above, the technical solution of the utility model is as follows：
A kind of shift detection device for two-gear transmission, including gearshift, the gearshift include pedestal,
Shift shell and shift motor, characteristic are：The top of the pedestal is equipped with shift shell, the shift shell and bottom
Seat is connected, and the shift motor is connected with shift shell, and the top of the shift shell is equipped with cover board, the shift shell
Worm gear is equipped in the cavity that body is constituted with cover board, the worm gear is fixedly connected with shaft, and the worm gear is together with shaft
The lower end of the central axis of twisted rotary shaft, the shaft is fixedly connected with shift fork head, and the worm gear upper surface, which is fixed, to be connected
It is connected to magnet, magnet side is equipped with Hall sensor.
Preferably, worm screw is additionally provided in the shift shell, and worm and wheel engagement, worm screw position
In on the extended line of shift motor.
Preferably, the Hall sensor detects the angle of magnet rotors by changes of magnetic field caused by magnet rotors
Degree.
A kind of shift detection device for two-gear transmission of the utility model, including gearshift, gearshift packet
Pedestal is included, shift shell and shift motor, pedestal are fixed on case of transmission, and support, shift electricity are provided for case of transmission
Machine is fixed on shift shell, and worm gear is fixedly connected with shaft, the central axis of worm gear twisted rotary shaft together with shaft, shaft
Lower end is fixedly connected with fork head.Worm gear rotation is driven when gear shifting motor moves, while driving shift fork head to rotate by shaft
The central axis of axis；And be fixedly connected with magnet in worm gear upper surface, there is Hall sensor in magnet side, when worm gear rotate into
When row gear shift, worm gear can drive magnet rotors certain angle, and magnetic field caused by magnet limb motion is detected by Hall sensor
Variation to obtain the angle of worm gear rotation, and then obtains the position of shift, obtains and turns finally by the operation inside controller
The numerical value of dynamic angle.Compared with prior art, the shift detection device of the two-gear transmission of this programme avoids brush measurement and changes
The jump implementations that retaining device running position signal occurs, improve the accuracy of new-energy automobile self shifter, accurately survey
Determine gearshift running position.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of shift detection device for two-gear transmission of the utility model；
Fig. 2 is a kind of vertical view of shift detection device for two-gear transmission of the utility model.
Wherein, 1- shift motors, 2- Hall sensors, 3- worm gears, 4- magnet, 5- worm screws, 6- shafts, 7- shift forks head, 8-
Pedestal, 9- shifts shell, 10- cover boards.
Specific implementation mode
To make the structure feature to the utility model and the effect of being reached has a better understanding and awareness, to compared with
Good embodiment and attached drawing cooperation detailed description, are described as follows：
With reference to shown in attached drawing 1-2, a kind of shift detection device for two-gear transmission, including gearshift, it is described
Gearshift includes pedestal 8, shift gears shell 9 and shift motor 1, and the top of the pedestal 8 is equipped with shift shell 9, described
Shell 9 of shifting gears is connected with pedestal 8, and the pedestal 8 is that case of transmission 9 provides support, the shift motor 1 and shift
Shell 9 is connected, and the top of the shift shell 9 is equipped with cover board 10, the cavity that the shift shell 9 is constituted with cover board 10
It is interior to be equipped with worm gear 3, it is additionally provided with worm screw 5 in the shift shell 9, the worm screw 5 engages with worm gear 3, the worm screw 5
In on the extended line of shift motor 1, the worm gear 3 is fixedly connected with shaft 6, and the worm gear 3 is surround together with shaft 6 to be turned
The lower end of the central axis of axis 6, the shaft 6 is fixedly connected with shift fork head 7, and worm gear 3 is driven when gear shifting motor 1 moves
Rotation, at the same by shaft 6 drive shift fork head 7 around the shaft 6 central axis；And it is fixedly connected with magnetic in 3 upper surface of worm gear
There are Hall sensor 2 in iron 4,4 side of magnet, and when worm gear 3, which rotates, carries out gear shift, worm gear 3 can rotate certain angle with moving magnet 4
Degree detects changes of magnetic field caused by 4 limb motion of magnet by Hall sensor 2, to obtain the angle of the rotation of worm gear 3, into
And obtain the position of shift, the numerical value of rotational angle is obtained finally by the operation inside controller.
Basic principles, main features, and advantages of the present invention has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model the utility model also have respectively
Kind changes and improvements, these changes and improvements are both fallen in claimed the scope of the utility model.The requires of the utility model
Protection domain defined by appended claims and its equivalent.
Claims (3)
1. a kind of shift detection device for two-gear transmission, including gearshift, the gearshift include pedestal
(8), shift shell (9) and shift motor (1), characteristic is：The top of the pedestal (8) is equipped with shift shell (9), institute
The shift shell (9) stated is connected with pedestal (8), and the shift motor (1) is connected with shift shell (9), the shift shell
The top of body (9) is equipped with cover board (10), and worm gear (3) is equipped in the cavity that the shift shell (9) is constituted with cover board (10),
The worm gear (3) is fixedly connected with shaft (6), the central axis of the worm gear (3) and shaft (6) twisted rotary shaft (6),
The lower end of the shaft (6) is fixedly connected with shift fork head (7), and the worm gear (3) upper surface is fixedly connected with magnet (4),
Magnet (4) side is equipped with Hall sensor (2).
2. a kind of shift detection device for two-gear transmission according to claim 1, it is characterised in that：Described changes
It is additionally provided with worm screw (5) in block shell body (9), the worm screw (5) engages with worm gear (3), and the worm screw (5) is located at shift motor
(1) on extended line.
3. a kind of shift detection device for two-gear transmission according to claim 1, it is characterised in that：It is described suddenly
Changes of magnetic field caused by your sensor (2) is rotated by magnet (4) detects the angle that magnet (4) rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721362563.0U CN207661125U (en) | 2017-10-20 | 2017-10-20 | A kind of shift detection device for two-gear transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721362563.0U CN207661125U (en) | 2017-10-20 | 2017-10-20 | A kind of shift detection device for two-gear transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207661125U true CN207661125U (en) | 2018-07-27 |
Family
ID=62937181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721362563.0U Expired - Fee Related CN207661125U (en) | 2017-10-20 | 2017-10-20 | A kind of shift detection device for two-gear transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207661125U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058447A (en) * | 2018-09-03 | 2018-12-21 | 上海众持汽车零部件有限公司 | A kind of new-energy automobile fluid drive actuator |
-
2017
- 2017-10-20 CN CN201721362563.0U patent/CN207661125U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058447A (en) * | 2018-09-03 | 2018-12-21 | 上海众持汽车零部件有限公司 | A kind of new-energy automobile fluid drive actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180727 Termination date: 20201020 |