CN203730743U - Electric vehicle parking device - Google Patents
Electric vehicle parking device Download PDFInfo
- Publication number
- CN203730743U CN203730743U CN201420057946.7U CN201420057946U CN203730743U CN 203730743 U CN203730743 U CN 203730743U CN 201420057946 U CN201420057946 U CN 201420057946U CN 203730743 U CN203730743 U CN 203730743U
- Authority
- CN
- China
- Prior art keywords
- ratchet
- limit switch
- parking
- transmission
- parking device
- 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
Links
Landscapes
- Gear-Shifting Mechanisms (AREA)
Abstract
The utility model relates to an electric vehicle parking device. When a vehicle is parked, a motor is running, power of the motor is transferred through a worm, a worm gear, a screw and a push rod to enable the speed to be reduced to push a butterfly spring and a conical ring, a pawl gradually overcomes the action force of the spring under pushing of the conical ring to rotate towards a ratchet, and single teeth of the pawl are meshed with tooth spaces of the ratchet to achieve parking. When the parking is relieved, the motor runs in the reversed direction, power of the motor is transferred through the worm, the worm gear, the screw and the push rod to enable the speed to be reduced to relieve push force of the butterfly spring and the conical ring. The pawl rotates in the direction away from the ratchet under the action force of the spring to enable the single teeth of the pawl and the tooth spaces of the ratchet to be separated to relieve the parking. The parking device is simple in structure and utilizes an ignition switch as a switch signal, a driver does not need to intervene in the parking process, a parking brake can work automatically to achieve a parking braking effect, operation behavior of the driver is reduced, and the parking device is simple in structure, stable in operation and reliable in work.
Description
Technical field
The utility model relates to a kind of electric motor car parking device, belongs to vehicle transmission gear technical field.
Background technique
Electric vehicle speed reducer, as the kernel component on New-energy electric vehicle, not only has high-level requirement to aspects such as its outward appearance, noise, Securities, stricter to the requirement of its usability; Current, the type of new energy retarder has a variety of, gearbox more or less comes with some shortcomings, the most of forerunner's mode that adopts of electric motor car, parking braking is that trailing wheel is carried out to friction catch, in parking process, manual operation often exists parking brake not move the situation of position to, causes braking force less, can not wheel is completely locked; Particularly, in the time that electric vehicle stops on ramp, use friction parking braking, use separately parking brake, vehicle is likely because of the incomplete not locked slope phenomenon that occurs slipping; In order to make electric vehicle realize safely and reliably parking on ramp, must utilize parking device to realize the braking to wheel; Parking device and hand brake device are two to overlap independently braking device, and parking device is used for making automobile to be reliably anchored in even slope of certain position; Existing parking device of electric automobile has gear rack transmission and two kinds of structural types of hydraulic push rod, parking device is comparatively complicated, also increased the volume of mission case simultaneously, and the parking ratchet wheel of existing automobile parking device is all mounted on output shaft (differential mechanism semiaxis) substantially, resistance that parking device is subject to is apart from larger, therefore the having relatively high expectations of the structural strength to parking device; Complex structure, installing/dismounting difficulty, the volume that takes up room is large; Flexibility is very limited, and can not be applicable in the speed changer of various complexity, controls difficulty large.
Model utility content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, a kind of electric motor car parking device is provided, ensure electric vehicle reliability of operation, design ingenious, simple for structure, boundary dimension is little, lightweight, and installation and maintenance are convenient, the conformity that improves product in reducing product cost, is suitable for large-scale promotion application.
The utility model is achieved by the following technical solution: a kind of electric motor car parking device, and it is made up of mechanical assembly, electrically-controlled component; Wherein mechanical assembly comprises ratchet (19), ratchet (22), worm gear (8), buffering wheel (5), screw rod (9), push rod (10), conical ring (16) composition; Electrically-controlled component is made up of controller (27), parking switch (24), sensor (1), the first diode (28), the second diode (29), release limit switch (11), release limit switch (12), motor (31), battery (30); It is characterized in that: the worm screw (7) that motor (31) is provided with engages with the profile of tooth that worm gear (8) is radially provided with; Screw rod (9) one end is provided with flat axle and buffering wheel (5) one end and is provided with the flat hole that flat hole, sensor (1) be provided with and coordinates, and screw rod (9) the other end is provided with screw thread and coordinates with the tapped hole that push rod (10) is provided with; Push rod (10) is provided with pillow block and releases the contact that limit switch (11), release limit switch (12) be provided with and coordinates, releases limit switch (11), release limit switch (12) and is arranged on that in the hole that case of transmission (6) is provided with, also use end cap (15) is spacing; Butterfly spring (14) is arranged between the pillow block and conical ring (16) that push rod (10) is provided with, and snap ring (17) is arranged in the circular groove that push rod (10) is provided with; End cap (15) coordinates with case of transmission (6) and uses bolt (13) fixing; Ratchet (22) is arranged on the spline that transmission countershaft is provided with by internal spline, and ratchet (19) is slidably matched and uses collar (20) spacing with pin (21), and pin (21) is fixedly connected with case of transmission (6); Spring (18) and the concentric installation of pin (21), spring (18) one end and case of transmission (6) are fixing, and the other end is stuck on ratchet (19); Electric motor end cap (4) is provided with seam and coordinates with the pillow block that case of transmission (6) is provided with, sensor stand (3) is connected with electric motor end cap (4) interference, it is upper that sensor (1) is arranged on sensor stand (3) with bolt (2), and motor (31) is connected with case of transmission (6).
Described controller (27) gathers the signal from parking switch (24), ignition switch (25), sensor (1), CAN node (26); Battery (30) is connected with controller (27); Release limit switch (11) one end and be connected with controller (27), the other end is connected with release limit switch (12), and release limit switch (12) is connected with motor (31) one end, and motor (31) the other end is connected with controller (27); The first diode (28) is in parallel with release limit switch (11), and the second diode (29) is in parallel with release limit switch (12), and the first diode (28) is identical with the current direction of the second diode (29).
The monodentate that described ratchet (19) is provided with engages with the rectangle gear that ratchet (22) radial position is provided with decile.
Described conical ring (16) is provided with the cone match that the conical surface and ratchet (19) are provided with.
Described buffering wheel (5) is provided with and is the 120 ° of holes divided equally that are that 120 ° of boss of dividing equally are provided with worm gear (8) and coordinates.
The utility model adopts the gearing down mode of worm screw (7), worm gear (8), buffering wheel (5), screw rod (9), push rod (10) composition, simplifies the structure of parking device, and mechanism operates steadily, reliable operation, can make electric motor car parking safe and reliable; Ratchet (22) is arranged on transmission countershaft (32), the resisting moment that parking is subject to is reduced, reduce the power of motor requirement to parking device, required parts are few, simple in structure, there is little, the lightweight feature of volume, and process and assemble simple, take up room little, there is larger use value.
Brief description of the drawings
Fig. 1 is sectional view of the present utility model.
Fig. 2 is the front view (hide case of transmission 6) of the utility model 1 under released state.
Fig. 3 is the utility model electrically-controlled component connection diagram.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in detail: be used in a kind of electric motor car parking device on electric vehicle, the profile of tooth that the worm screw (7) that motor (31) is provided with is radially provided with worm gear (8) engages and forms first order deceleration; Screw rod (9) one end is provided with flat axle and buffering wheel (5) one end and is provided with the flat hole that flat hole, sensor (1) be provided with and coordinates, and screw rod (9) the other end is provided with tapped hole that screw thread is provided with push rod (10) and coordinates and form the second level and slow down; Electric limiting when push rod (10) is provided with pillow block and releases contact that limit switch (11), release limit switch (12) be provided with and coordinates formation to move forward and backward; Release limit switch (11), release limit switch (12) be arranged in the hole that case of transmission (6) is provided with and use end cap (15) spacing; Butterfly spring (14) is arranged between the pillow block and conical ring (16) that push rod (10) is provided with, and snap ring (17) is arranged in the circular groove that push rod (10) is provided with; End cap (15) coordinates with case of transmission (6) and uses bolt (13) fixing; Ratchet (22) is arranged on the spline that transmission countershaft (32) is provided with by internal spline, and ratchet (19) is slidably matched and uses collar (20) spacing with pin (21), and pin (21) is fixedly connected with case of transmission (6); Spring (18) and the concentric installation of pin (21), spring (18) one end and case of transmission (6) are fixing, and the other end is stuck on ratchet (19); Electric motor end cap (4) is provided with seam and coordinates with the pillow block that case of transmission (6) is provided with, sensor stand (3) is connected with electric motor end cap (4) interference, it is upper that sensor (1) is arranged on sensor stand (3) with bolt (2), and motor (31) is connected with case of transmission (6); The monodentate that ratchet (19) is provided with engages with the rectangle gear that ratchet (22) radial position is provided with decile; Conical ring (16) is provided with the cone match that the conical surface and ratchet (19) are provided with; Buffering wheel (5) is provided with and is hole that 120 ° of boss of dividing equally are provided with worm gear (8) and coordinates worm gear (8) to be provided with to be 120 ° of holes of dividing equally and coordinate, and buffering wheel adopts quality of rubber materials.
Controller (27) gathers the signal from parking switch (24), ignition switch (25), sensor (1), CAN node (26); Battery (30) is connected with controller (27); Release limit switch (11) one end and be connected with controller (27), the other end is connected with release limit switch (12), and release limit switch (12) is connected with motor (31) one end, and motor (31) the other end is connected with controller (27); The first diode (28) is in parallel with release limit switch (11), the second diode (29) is in parallel with release limit switch (12), the first diode (28) is identical with the current direction of the second diode (29), and sensor (1) is delivered to controller (27) in time the rotation angle of motor (31).
In the time of needs parking, controller (27) detects the information of pressing parking switch (24), then detect the speed information from CAN node (26), no-parking device action in the time that the speed of a motor vehicle is greater than 0, in the time that the speed of a motor vehicle equals 0, control the operation of motor (31) forward, the power of motor (31) is by worm screw (7), worm gear (8), screw rod (9), after slowing down, push rod (10) promotes butterfly spring (14), conical ring (16), the active force promotion ratchet (19) that ratchet (19) overcomes gradually spring (18) under the promotion of conical ring (16) rotates to ratchet (22), the teeth groove engagement that monodentate that ratchet (19) is provided with and ratchet (22) are provided with, realize parking, in the time that the monodentate of ratchet (19) is just relative with the tooth top of described ratchet (22), now conical ring (16) compression butterfly spring (14), now do not realize real parking, after this, if wheel of vehicle is moved, transmission countershaft (32) drives ratchet (22) to rotate a less angle thereupon, conical ring (16) overcomes gradually spring (18) active force under butterfly spring (14) effect, continuing to promote ratchet (19) rotates to ratchet (22), the monodentate of ratchet (19) is engaged with the teeth groove of ratchet (22), realize parking.
In the time that needs are removed parking, controller (27) detects the information of parking switch (24), control motor (31) inverted running, the power of motor (31) is removed the thrust of butterfly spring (14), conical ring (16) after slowing down by worm screw (7), worm gear (8), screw rod (9), push rod (10), ratchet (19) makes ratchet (19) to rotating away from ratchet (22) direction under the active force of spring (18), the monodentate that ratchet (19) is provided with is separated with the teeth groove of ratchet (22), remove parking.
In the time that driver takes off key and leaves automobile, if driver forgets, parking switch to be opened and enabled, this Time Controller (27) detects ignition switch (25) shut-in time while being greater than 15 seconds, automatically enters parking state, makes vehicle in a safe condition; Ensure the parking safety of vehicle, simple installation, easily controls, and so far reaches the purpose of this utility model, has implemented.
Finally explanation: above embodiment is only unrestricted in order to the technical solution of the utility model to be described.With reference to preferred embodiment, the utility model is elaborated, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, do not depart from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of claim scope of the present utility model.
Claims (5)
1. an electric motor car parking device, it is made up of mechanical assembly, electrically-controlled component; Wherein mechanical assembly comprises ratchet (19), ratchet (22), worm gear (8), buffering wheel (5), screw rod (9), push rod (10), conical ring (16) composition; Electrically-controlled component is made up of controller (27), parking switch (24), sensor (1), the first diode (28), the second diode (29), release limit switch (11), release limit switch (12), motor (31), battery (30); It is characterized in that: the worm screw (7) that motor (31) is provided with engages with the profile of tooth that worm gear (8) is radially provided with; Screw rod (9) one end is provided with flat axle and buffering wheel (5) one end and is provided with the flat hole that flat hole, sensor (1) be provided with and coordinates, and screw rod (9) the other end is provided with screw thread and coordinates with the tapped hole that push rod (10) is provided with; Push rod (10) is provided with pillow block and releases the contact that limit switch (11), release limit switch (12) be provided with and coordinates, releases limit switch (11), release limit switch (12) and is arranged on that in the hole that case of transmission (6) is provided with, also use end cap (15) is spacing; Butterfly spring (14) is arranged between the pillow block and conical ring (16) that push rod (10) is provided with, and snap ring (17) is arranged in the circular groove that push rod (10) is provided with; End cap (15) coordinates with case of transmission (6) and uses bolt (13) fixing; Ratchet (22) is arranged on the spline that transmission countershaft is provided with by internal spline, and ratchet (19) is slidably matched and uses collar (20) spacing with pin (21), and pin (21) is fixedly connected with case of transmission (6); Spring (18) and the concentric installation of pin (21), spring (18) one end and case of transmission (6) are fixing, and the other end is stuck on ratchet (19); Electric motor end cap (4) is provided with seam and coordinates with the pillow block that case of transmission (6) is provided with, sensor stand (3) is connected with electric motor end cap (4) interference, it is upper that sensor (1) is arranged on sensor stand (3) with bolt (2), and motor (31) is connected with case of transmission (6).
2. electric motor car parking device according to claim 1, is characterized in that: described controller (27) gathers the signal from parking switch (24), ignition switch (25), sensor (1), CAN node (26); Battery (30) is connected with controller (27); Release limit switch (11) one end and be connected with controller (27), the other end is connected with release limit switch (12), and release limit switch (12) is connected with motor (31) one end, and motor (31) the other end is connected with controller (27); The first diode (28) is in parallel with release limit switch (11), and the second diode (29) is in parallel with release limit switch (12), and the first diode (28) is identical with the current direction of the second diode (29).
3. electric motor car parking device according to claim 1, is characterized in that: described ratchet (19) is provided with a monodentate and engages with the rectangle gear that ratchet (22) radial position is provided with decile.
4. electric motor car parking device according to claim 1, is characterized in that: described conical ring (16) is provided with the cone match that the conical surface and ratchet (19) are provided with.
5. electric motor car parking device according to claim 1, is characterized in that: described buffering wheel (5) is provided with and is the 120 ° of holes divided equally that are that 120 ° of boss of dividing equally are provided with worm gear (8) and coordinates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420057946.7U CN203730743U (en) | 2014-02-06 | 2014-02-06 | Electric vehicle parking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420057946.7U CN203730743U (en) | 2014-02-06 | 2014-02-06 | Electric vehicle parking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730743U true CN203730743U (en) | 2014-07-23 |
Family
ID=51200820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420057946.7U Expired - Fee Related CN203730743U (en) | 2014-02-06 | 2014-02-06 | Electric vehicle parking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730743U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759001A (en) * | 2014-02-06 | 2014-04-30 | 北京阳铭诚科技有限责任公司 | Electric vehicle parking device |
| CN106051154A (en) * | 2016-05-23 | 2016-10-26 | 广州汽车集团股份有限公司 | Electric parking mechanism and automobile |
| WO2018157733A1 (en) * | 2017-02-28 | 2018-09-07 | 郑州宇通客车股份有限公司 | Reducer and wheel-side driving mechanism and electric vehicle using same |
-
2014
- 2014-02-06 CN CN201420057946.7U patent/CN203730743U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759001A (en) * | 2014-02-06 | 2014-04-30 | 北京阳铭诚科技有限责任公司 | Electric vehicle parking device |
| CN106051154A (en) * | 2016-05-23 | 2016-10-26 | 广州汽车集团股份有限公司 | Electric parking mechanism and automobile |
| WO2018157733A1 (en) * | 2017-02-28 | 2018-09-07 | 郑州宇通客车股份有限公司 | Reducer and wheel-side driving mechanism and electric vehicle using same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203730743U (en) | Electric vehicle parking device | |
| CN103448544B (en) | A kind of Vehicle auxiliary drive method | |
| CN203035874U (en) | Two-gear automatic transmission applied to pure electric vehicle | |
| CN105333140B (en) | A kind of automotive transmission parking locking mechanism | |
| JP2011025811A5 (en) | ||
| CN103759001A (en) | Electric vehicle parking device | |
| CN101654098B (en) | Energy-saving device of transport facility | |
| CN102416876A (en) | Brake control method of automobile brake-by-wire system and electric brake | |
| CN206734284U (en) | A kind of brakes of electric car | |
| CN206478219U (en) | A kind of parking assist mechanism for AMT/EMT speed changers | |
| CN202413426U (en) | Emergency device for mistaken stepping of accelerator | |
| CN203739622U (en) | One-way planetary reduction wheel hub motor driving device for battery electric vehicle | |
| CN104786839A (en) | Accelerator brake safety control device and vehicle applying same | |
| CN207737268U (en) | Automatic parking system for electric vehicle | |
| CN103963905A (en) | Gear type time difference brake device | |
| CN204641733U (en) | A kind of underground coal mine shovel car gas control accumulator valve group | |
| CN204114027U (en) | A kind of manual transmission using unilateral bearing | |
| CN103122991B (en) | Automobile automatic transmission two-gear control system | |
| CN103448696B (en) | A kind of vehicle auxiliary drive mechanism | |
| CN203063925U (en) | Automatic parking device after automobile flameout | |
| WO2007056888A1 (en) | Electronic control fuel save clutch device for vehicle | |
| CN203348464U (en) | Mechanical-parking second-gear battery electric vehicle reducer and electric vehicle comprising same | |
| CN103277479A (en) | Two-gear EV (electric vehicle) reducer for mechanical parking | |
| CN209739046U (en) | Auxiliary device for preventing heavy-duty car from sliding down slope and performing emergency braking | |
| CN209972395U (en) | Portable locking device for automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20160206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |