CN202448969U - Automatic parking device - Google Patents
Automatic parking device Download PDFInfo
- Publication number
- CN202448969U CN202448969U CN2011205624658U CN201120562465U CN202448969U CN 202448969 U CN202448969 U CN 202448969U CN 2011205624658 U CN2011205624658 U CN 2011205624658U CN 201120562465 U CN201120562465 U CN 201120562465U CN 202448969 U CN202448969 U CN 202448969U
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- Prior art keywords
- push rod
- parking device
- automatic parking
- actuating motor
- parking
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Abstract
The utility model provides an automatic parking device and belongs to the field of automobile technology. The automatic parking device solves the problem that the existing parking device occupies larger space and is not high in generality. The automatic parking device comprises a parking ratchet wheel, a parking pawl, a return spring, a push rod, an execution motor and a control circuit, wherein the rotary shaft of the execution motor is connected with the push rod through a ball screw pair; the control circuit is connected with the execution motor and can control the execution motor to rotate forwards and backwards to drive the parking pawl to embed into or separate from the parking ratchet wheel; and a stop motion mechanism is arranged between the execution motor and the push rod and is used for positioning the push rod when the parking pawl is embedded into the parking ratchet wheel. According to the automatic parking device, the push rod is driven to slide by the ball screw pair, the transmission accuracy is higher, the structure is compact, and the layout space is saved; and a stop spring is arranged between the push rod and the execution motor, the push part of the push rod respectively leans against the guiding parts of a guiding bracket and the parking pawl to play a role of guiding on the push rod, so the push rod is enabled to move more smoothly.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of parking device, particularly a kind of automatic parking device.
Background technology
Braking during standstill is called parking brake again.The effect of parking device is exactly when stopping, and gives resistance of automobile through pinning transmission shaft or trailing wheel, makes automobile not slip car under the environment of certain slope having.Traditional parking device drives park pawl through drag-line and embeds the Parking ratchet, pins transmission shaft or axletree and realizes Parking.This parking device needs the manual control brake arm of chaufeur to accomplish the Parking action, inconvenient operation, and have potential safety hazard.
Along with the progress of auto manufacturing technology, people begin to adopt automatic parking device to replace the traditional mechanical parking device.For example, Chinese patent [patent No. ZL201120089293.7; Granted publication CN201944251U] a kind of halting mechanism of electronlmobil disclosed; Comprise mission case, input shaft, Parking gear, Parking motor, Parking cam, park pawl, ratchet pull back spring, Parking torsion spring, worm gear and worm screw; The Parking gear is installed on the input shaft that is positioned at mission case; Park pawl is passed through the detent pin axle mounting on mission case; The ratchet pull back spring is sleeved on the camshaft, and the one of which end acts on the park pawl, and the rear end of park pawl and Parking cam are kept in touch.
The halting mechanism of above-mentioned electronlmobil can be realized automatic parking, and still, the problem that the halting mechanism of this electronlmobil exists is that the installation occupation space of worm and gear is relatively large, has influenced the commonality of automatic parking mechanism.
Summary of the invention
The purpose of the utility model is to have the problems referred to above to existing technology, has proposed a kind of automatic parking device, and the technical matters that the utility model solves is the more compact structure that makes parking device, saves the installing space of parking device.
The purpose of the utility model can realize through following technical proposal: a kind of automatic parking device; Comprise Parking ratchet, park pawl and retracing spring; This automatic parking device also comprises push rod, actuating motor and control circuit; The rotating shaft of described actuating motor links through ball wire bar pair and above-mentioned push rod; Described control circuit and actuating motor link and can control the actuating motor rotating and drive the park pawl embedding or break away from the Parking ratchet, are provided with the stop motion mechnism that is used for localization handspike when park pawl embeds the Parking ratchet between described actuating motor and the push rod.
This automatic parking device is used for when stopping, pinning the wheel of automobile, prevents that automobile from falling to slip, and the Parking ratchet of this automatic parking device both can circumferentially be positioned on the axletree, also can circumferentially be positioned on the output shaft of change-speed box.The principle of work of this automatic parking device is: during parking of automobile; Control circuit control actuating motor just changes; The rotating shaft of actuating motor drives the push rod horizontal slip through ball wire bar pair makes park pawl embed the Parking ratchet, makes the output shaft locking of axletree or change-speed box; When automobile need be started to walk; The counter-rotating of control circuit control actuating motor; The rotating shaft of actuating motor drives the push rod rollback through ball wire bar pair, and park pawl breaks away from the Parking ratchet under the drive of retracing spring, the output shaft of axletree or change-speed box can freely be rotated.The compact conformation of this automatic parking device, the installing space that takies is less.
In above-mentioned automatic parking device, described ball wire bar pair comprises screw mandrel and screw, and described screw mandrel links to each other with the rotating shaft of described actuating motor.Ball wire bar pair is through the ball guiding, and transmission accuracy is high, makes the accurate positioning of push rod.
In above-mentioned automatic parking device; Described stop motion mechnism comprises respectively the pipe link that is connected mutually with screw and push rod and is connected in the stop spring on the actuating motor; The end of described stop spring has the Access Division of undulate, and described pipe link has the lug boss that can snap in above-mentioned Access Division near an end of stop spring.When park pawl embedded the Parking ratchet, lug boss snapped in the connecting portion push rod is located; When the main shaft counter-rotating of actuating motor drove the push rod rollback, lug boss can break away from the Access Division and slide along stop spring, and push rod is play the guiding role.
In above-mentioned automatic parking device, described control circuit comprises the control button that is arranged in the vehicle drive cabin, and the signal input part of described control button and actuating motor links.Chaufeur is through pressing the work of this parking device of control button control.
In above-mentioned automatic parking device, described control circuit comprises vehicle-mounted ECU, and the signal output part of described vehicle-mounted ECU and the signal input part of actuating motor link.Vehicle-mounted ECU can this parking device of automatic guidance work when parking of automobile.
In above-mentioned automatic parking device, described actuating motor is a servomotor.Servomotor can be through its rotating speed of incoming signal control, and speed of response is fast.
In above-mentioned automatic parking device, the outer end of described screw mandrel is provided with a limiting stopper.Screw is played position-limiting action, prevent that screw from surpassing stroke.
In above-mentioned automatic parking device, the end of described push rod has the pushing part, has the bevelled guide part on the described park pawl, and described pushing part can be resisted against on the described guide part and can slide with respect to guide part.The pushing part of push rod acts on the guide part of park pawl and drives park pawl and swings around the hinged place.
In above-mentioned automatic parking device, described push rod top also is provided with guiding trestle, and described push rod is between guiding trestle and park pawl.Push rod is play the guiding role.
In above-mentioned automatic parking device, have roller one and roller two on the described pushing part, described roller one is resisted against on the guide part of described park pawl, and described roller two is resisted against on the described guiding trestle.Friction between pushing part and guiding trestle and the guide part is friction of rolling, and friction force is less relatively, makes the motion of push rod more smooth and easy.
Compared with prior art, the advantage of this automatic parking device is:
1, this automatic parking device drives the push rod slip through ball wire bar pair, and transmission accuracy is higher, and compact conformation, saves arrangement space.
2, be provided with stop spring between push rod of this automatic parking device and the actuating motor, the pushing part of push rod is resisted against respectively on the guide part of guiding trestle and park pawl push rod is play the guiding role, and makes the motion of push rod more smooth and easy.
3, this automatic parking device is controlled through the control button that is positioned at driving compartment, makes things convenient for the operation of chaufeur.
Description of drawings
Fig. 1 is the structural representation of this automatic parking device.
Among the figure, 1, the Parking ratchet; 2, park pawl; 3, retracing spring; 4, push rod; 41, pushing part; 411, roller one; 412, roller two; 5, actuating motor; 6, ball wire bar pair; 61, screw mandrel; 62, screw; 7, pipe link; 71, lug boss; 8, stop spring; 81, Access Division; 9, limiting stopper; 10, guiding trestle.
The specific embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technical scheme of the utility model is done further to describe, but the utility model is not limited to these embodiment.
Embodiment one:
This parking device is arranged on the case of transmission, is used for when stopping, pinning transmission output shaft, prevents that automobile from falling to slip.This parking device comprises Parking ratchet 1, park pawl 2, retracing spring 3, push rod 4, actuating motor 5, ball wire bar pair 6, control circuit and stop motion mechnism.
Specifically; Parking ratchet 1 circumferentially is positioned on the output shaft of change-speed box through spline; Parking ratchet 1 is hinged with case of transmission and can rotates around jointed shaft; Retracing spring 3 is set on the jointed shaft, and an end of retracing spring 3 is resisted against on the case of transmission other end and park pawl 2 location.
As shown in Figure 1, actuating motor 5 is connected on the case of transmission through electric machine support, and the rotating shaft of actuating motor 5 links through ball wire bar pair 6 and push rod 4.In the present embodiment, ball wire bar pair 6 comprises screw mandrel 61 and screw 62, and screw mandrel 61 links to each other with the rotating shaft of actuating motor 5, and the outer end of screw mandrel 61 is fixed with limiting stopper 9; Actuating motor 5 is selected servomotor for use.Have the bevelled guide part on the park pawl 2, push rod 4 has pushing part 41 near the end of park pawl 2, and pushing part 41 is provided with roller 1, and roller 1 is resisted against on the guide part.Roller 1 can slide and then drive the spring force that park pawl 2 overcomes retracing spring 3 and swing around the hinged place with respect to guide part, and makes park pawl 2 embed Parking ratchets 1.
Stop motion mechnism is arranged between actuating motor 5 and the push rod 4, is used for 4 location of push rod and directional tagging.Stop motion mechnism comprises pipe link 7 and stop spring 8, and screw 62 is fixed on the pipe link 7, and pipe link 7 is connected with push rod 4 mutually.The end of stop spring 8 has the Access Division 81 of undulate, and pipe link 7 has lug boss 71 near an end of stop spring 8, and when park pawl 2 embedded Parking ratchet 1, lug boss 71 snapped in the Access Division 81 push rod 4 location; When the main shaft counter-rotating of actuating motor 5 drove push rod 4 rollbacks, lug boss 71 can break away from Access Division 81 and slide along stop spring 8, and push rod 4 is play the guiding role.
Also be fixed with guiding trestle 10 on the case of transmission, guiding trestle 10 is positioned at the top of push rod 4, also is provided with roller 2 412 on the pushing part 41 of push rod 4, and roller 2 412 is resisted against the lower surface of guiding trestle 10, and roller 2 412 can slide along guiding trestle 10.41 places, pushing part of push rod 4 also have guide plate, and guide plate is resisted against on the side of park pawl 2 push rod 4 is played directional tagging.
Control circuit and actuating motor 5 link, and are used to control actuating motor 5 rotatings and drive park pawl 2 embeddings or break away from Parking ratchet 1.In the present embodiment, control circuit comprises the control button that is arranged in the vehicle drive cabin, and the signal input part of control button and actuating motor 5 links, and chaufeur is through pressing the work of this parking device of control button control
The principle of work of this automatic parking device is: during parking of automobile, control circuit control actuating motor 5 is just changeing, and the rotating shaft of actuating motor 5 drives push rod 4 horizontal slips through ball wire bar pair 6 and drives ratchet embedding Parking ratchet 1, the output shaft locking of envoy's change-speed box; When automobile need be started to walk, 5 counter-rotatings of control circuit control actuating motor, the rotating shaft of actuating motor 5 drives push rod 4 rollbacks through ball wire bar pair 6, and park pawl 2 breaks away from Parking ratchet 1 under the drive of retracing spring 3, the output shaft of change-speed box can freely be rotated.
Embodiment two:
Technical scheme among technical scheme in the present embodiment and the embodiment one is basic identical; Difference is; In the present embodiment; Control circuit comprises vehicle-mounted ECU, and the signal input part of the signal output part of vehicle-mounted ECU and actuating motor 5 links, and vehicle-mounted ECU can this parking device of automatic guidance work when parking of automobile.
Embodiment three:
Technical scheme among technical scheme in the present embodiment and embodiment one or the embodiment two is basic identical; Difference is that in the present embodiment, park pawl 2 is hinged on the car body; Parking ratchet 1 links through spline and axletree; When park pawl 2 embedded Parking ratchet 1, axletree was locked, and can prevent to take place when car stops is on having the road surface of the gradient to fall to slip.
Specific embodiment described herein only is that the utility model spirit is made casehistory.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as Parking ratchet 1, park pawl 2, retracing spring 3, push rod 4, pushing part 41, roller 1, roller 2 412, actuating motor 5, ball wire bar pair 6, screw mandrel 61, screw 62, pipe link 7, lug boss 71, stop spring 8, Access Division 81, limiting stopper 9, guiding trestle 10 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain the essence of the utility model more easily; It all is contrary with the utility model spirit being construed to any additional restriction to them.
Claims (10)
1. automatic parking device; Comprise Parking ratchet (1), park pawl (2) and retracing spring (3); It is characterized in that; This automatic parking device also comprises push rod (4), actuating motor (5) and control circuit; The rotating shaft of described actuating motor (5) links through ball wire bar pair (6) and above-mentioned push rod (4), and described control circuit and actuating motor (5) link and can control actuating motor (5) rotating and drive park pawl (2) embedding or break away from Parking ratchet (1), are provided with the stop motion mechnism that is used for localization handspike (4) when park pawl (2) embeds Parking ratchet (1) between described actuating motor (5) and the push rod (4).
2. automatic parking device according to claim 1 is characterized in that, described ball wire bar pair (6) comprises screw mandrel (61) and screw (62), and described screw mandrel (61) links to each other with the rotating shaft of described actuating motor (5).
3. automatic parking device according to claim 2; It is characterized in that; Described stop motion mechnism comprises respectively the pipe link (7) that is connected mutually with screw (62) and push rod (4) and is connected in the stop spring (8) on the actuating motor (5); The end of described stop spring (8) has the Access Division (81) of undulate, and described pipe link (7) has the lug boss (71) that can snap in above-mentioned Access Division (81) near an end of stop spring (8).
4. automatic parking device according to claim 3; It is characterized in that; The end of described push rod (4) has pushing part (41), and described park pawl has the bevelled guide part on (2), and described pushing part (41) can be resisted against on the described guide part and can slide with respect to guide part.
5. automatic parking device according to claim 4 is characterized in that, described push rod (4) top also is provided with guiding trestle (10), and described push rod (4) is positioned between guiding trestle (10) and the park pawl (2).
6. automatic parking device according to claim 5; It is characterized in that; Have roller one (411) and roller (412) on the described pushing part (41); Described roller one (411) is resisted against on the guide part of described park pawl (2), and described roller (412) is resisted against on the described guiding trestle (10).
7. according to each described automatic parking device in the claim 1 to 6, it is characterized in that described control circuit comprises the control button that is arranged in the vehicle drive cabin, the signal input part of described control button and actuating motor (5) links.
8. according to each described automatic parking device in the claim 1 to 6, it is characterized in that described control circuit comprises vehicle-mounted ECU, the signal input part of the signal output part of described vehicle-mounted ECU and actuating motor (5) links.
9. according to each described automatic parking device in the claim 1 to 6, it is characterized in that described actuating motor (5) is a servomotor.
10. according to each described automatic parking device in the claim 2 to 6, it is characterized in that the outer end of described screw mandrel (61) is provided with a limiting stopper (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205624658U CN202448969U (en) | 2011-12-29 | 2011-12-29 | Automatic parking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205624658U CN202448969U (en) | 2011-12-29 | 2011-12-29 | Automatic parking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202448969U true CN202448969U (en) | 2012-09-26 |
Family
ID=46864857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205624658U Expired - Fee Related CN202448969U (en) | 2011-12-29 | 2011-12-29 | Automatic parking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202448969U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148216A (en) * | 2013-03-28 | 2013-06-12 | 陈奇 | Parking braking mechanism used for automotive transmission |
| CN104455096A (en) * | 2014-12-25 | 2015-03-25 | 北京实宝来游乐设备有限公司 | Linear motor type executing structure |
| CN104859602A (en) * | 2015-04-28 | 2015-08-26 | 杭州云乐车辆技术有限公司 | Electronic parking mechanism for electric car |
| CN106608249A (en) * | 2015-10-27 | 2017-05-03 | 现代自动车株式会社 | Method for controlling vehicle to implement automatic vehicle hold function |
| CN107499292A (en) * | 2017-07-31 | 2017-12-22 | 重庆青山工业有限责任公司 | automatic transmission electronic parking mechanism |
| CN109202947A (en) * | 2017-12-04 | 2019-01-15 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of automatic grabbing device |
| CN109649350A (en) * | 2018-12-14 | 2019-04-19 | 常熟理工学院 | A kind of quincuncial pile formula electronics hand brake device and its control mode |
| CN109927544A (en) * | 2019-04-22 | 2019-06-25 | 湖北科技学院 | A kind of irreversible coaxial gear set in vehicle drive system |
| WO2022247297A1 (en) * | 2021-05-25 | 2022-12-01 | 上海纳铁福传动系统有限公司 | Parking executing mechanism |
| CN109927544B (en) * | 2019-04-22 | 2024-04-26 | 湖北科技学院 | Irreversible coaxial transmission mechanism in vehicle transmission system |
-
2011
- 2011-12-29 CN CN2011205624658U patent/CN202448969U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103148216A (en) * | 2013-03-28 | 2013-06-12 | 陈奇 | Parking braking mechanism used for automotive transmission |
| CN103148216B (en) * | 2013-03-28 | 2015-06-17 | 合肥工业大学 | Parking braking mechanism used for automotive transmission |
| CN104455096A (en) * | 2014-12-25 | 2015-03-25 | 北京实宝来游乐设备有限公司 | Linear motor type executing structure |
| CN104859602B (en) * | 2015-04-28 | 2018-08-03 | 杭州云乐车辆技术有限公司 | Electric vehicle electronic parking mechanism |
| CN104859602A (en) * | 2015-04-28 | 2015-08-26 | 杭州云乐车辆技术有限公司 | Electronic parking mechanism for electric car |
| CN106608249A (en) * | 2015-10-27 | 2017-05-03 | 现代自动车株式会社 | Method for controlling vehicle to implement automatic vehicle hold function |
| CN106608249B (en) * | 2015-10-27 | 2021-01-26 | 现代自动车株式会社 | Method for controlling vehicle to implement automatic parking function |
| CN107499292A (en) * | 2017-07-31 | 2017-12-22 | 重庆青山工业有限责任公司 | automatic transmission electronic parking mechanism |
| CN109202947A (en) * | 2017-12-04 | 2019-01-15 | 中国航空工业集团公司北京航空精密机械研究所 | A kind of automatic grabbing device |
| CN109649350A (en) * | 2018-12-14 | 2019-04-19 | 常熟理工学院 | A kind of quincuncial pile formula electronics hand brake device and its control mode |
| CN109927544A (en) * | 2019-04-22 | 2019-06-25 | 湖北科技学院 | A kind of irreversible coaxial gear set in vehicle drive system |
| CN109927544B (en) * | 2019-04-22 | 2024-04-26 | 湖北科技学院 | Irreversible coaxial transmission mechanism in vehicle transmission system |
| WO2022247297A1 (en) * | 2021-05-25 | 2022-12-01 | 上海纳铁福传动系统有限公司 | Parking executing mechanism |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20131229 |