CN202481063U - Electronic parking braking executor - Google Patents
Electronic parking braking executor Download PDFInfo
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- CN202481063U CN202481063U CN 201220083688 CN201220083688U CN202481063U CN 202481063 U CN202481063 U CN 202481063U CN 201220083688 CN201220083688 CN 201220083688 CN 201220083688 U CN201220083688 U CN 201220083688U CN 202481063 U CN202481063 U CN 202481063U
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- electronic brake
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- actr
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- 239000012190 activator Substances 0.000 description 1
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- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
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Abstract
The utility model discloses an electronic parking braking executor which comprises a shell, a driving motor, a first transmission system, a threaded sleeve and a screw, wherein the driving motor is arranged on the shell; a motor shaft extends into the shell; the first transmission system is connected with the motor shaft and positioned in the shell; the threaded sleeve is connected with the first transmission system and provided with a threaded hole; the screw is in threaded fit with the threaded hole of the threaded sleeve, so an axial movement effect is achieved; and a pull rope assembly joint is arranged at one end of the screw, which extends out of the shell, and is connected with a pull rope of a braking device. In a process of rotating the threaded sleeve, the screw can move along the axis of the screw; and with the axial movement of the screw, the pull rope arranged in the pull rope assembly head can be pulled to move, so parking braking is realized. A screw rod mechanism is adopted; the number of rotation turns of the driving motor can be controlled by calculating a moving distance of the screw required by rational braking force; and therefore, the braking force consistency can be guaranteed, and relatively rational braking force can be supplied.
Description
Technical field
The utility model relates to the emergency brake system technical field, particularly a kind of electronic brake actr.
Background technology
Along with the raising of science and technology development and people's living standard, automobile has become the most general walking-replacing tool of people.Consider safety, automobile all is equipped with emergency brake system at present.The effect of braking during standstill is exactly when stopping, and gives resistance of automobile, makes automobile not slip car.Braking during standstill is little more a lot of than the power of service brake, only is to stop on sloping road not slip car, that's all.
Now a lot of employed emergency brake systems of automobile belong to the manual machine formula, and the parking brake pull bar has a simple driving system between wheel braking pincers or brake wheel, and the angle that the parking brake pull bar is pulled up has directly determined the size of brake control power.Therefore, because the difference of chaufeur strength makes brake control power not of uniform size, so just can't guarantee optimum braking force.
How to guarantee the conformability of braking force, and more reasonably braking force is provided, become those skilled in the art's problem demanding prompt solution.
The utility model content
In view of this, the utility model provides a kind of electronic brake actr, with the conformability of assurance braking force, and more reasonably braking force is provided.
For realizing above-mentioned purpose, the utility model provides following technical scheme:
A kind of electronic brake actr comprises:
Housing;
Be arranged at the drive motor on the said housing, its motor shaft stretches into said enclosure interior;
Link to each other with said motor shaft, and be positioned at first driving system of said enclosure interior;
With the screw collar that said first driving system links to each other, said screw collar has tapped bore;
With the tapped bore screw thread fit of said screw collar, with the screw rod of realizing that axis moves, the end that said screw rod is stretched in said housing outward is provided with the drag-line erection joint, and said drag-line erection joint is used for linking to each other with brake equipment bonded assembly drag-line.
Preferably, in above-mentioned electronic brake actr, also comprise the sleeve pipe that is arranged at said housing one side, said screw rod passes said sleeve pipe and stretches into said enclosure interior.
Preferably, in above-mentioned electronic brake actr, said screw rod cooperates with said sleeve pipe through guiding mechanism near an end of said drag-line erection joint.
Preferably, in above-mentioned electronic brake actr, said guiding mechanism comprises:
Be arranged at the guided way on the said screw rod;
Be opened on the said sleeve pipe, and with the chute of said guided way bearing fit.
Preferably, in above-mentioned electronic brake actr, said housing specifically comprises inner housing and the body skin that is sheathed on the said inner housing outside;
Said drive motor is arranged on the said body skin;
Said first driving system and said screw collar are arranged in the said inner housing.
Preferably, in above-mentioned electronic brake actr, said first driving system comprises:
The worm screw that links to each other with said motor shaft;
With the worm gear of said worm mesh, said worm gear is installed in the bearing hole of said inner housing through two antifriction-bearing boxs, and said worm gear links to each other with said screw collar is coaxial.
Preferably, in above-mentioned electronic brake actr, said worm gear set is located on the said screw collar, and the endoporus of said worm gear has vertically the chute of arranging, said screw collar is provided with the convexity that cooperates with said chute.
Preferably, in above-mentioned electronic brake actr, the axle head of said worm screw offers and is used for the urgent interior hexagonal counterbore that discharges, the exterior of said interior hexagonal counterbore and said body skin.
Preferably; In above-mentioned electronic brake actr; The axial freedom of said screw collar is through being arranged at the thrust baring restriction in the said inner housing, and the axial freedom of said thrust baring is leaned on the door restriction, and the axial freedom of said door is limited by said body skin.
Preferably, in above-mentioned electronic brake actr, be arranged with the magnet ring that is used to measure said motor output speed on the said motor shaft.
Can find out from above-mentioned technical scheme, the electronic brake actr that the utility model provides, through starting drive motor, drive motor drives the motion of first driving system, and finally drives the screw collar rotation.In the screw collar rotation process, can make screw rod move along its axis.Along with moving axially of screw rod, the drag-line that is installed in the drag-line erection joint with regard to stretchy moves, and moving with regard to stretchy wheel braking device of drag-line realizes braking during standstill.Because the utility model adopts the mode of screw mechanism, guarantee the miles of relative movement of screw rod, therefore can come the rotating cycle of controlling and driving motor through calculating the miles of relative movement of the required screw rod of rational braking force.The utility model can guarantee the conformability of braking force, and more reasonably braking force is provided.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the electronic brake actr that Fig. 1 provides for the utility model embodiment;
The structural representation of the worm screw that Fig. 2 provides for the utility model embodiment;
The structural representation of the worm gear that Fig. 3 provides for the utility model embodiment;
The structural representation of the screw collar that Fig. 4 provides for the utility model embodiment;
The structural representation of the screw rod that Fig. 5 provides for the utility model embodiment.
The specific embodiment
The utility model discloses a kind of electronic brake actr,, and more reasonably braking force is provided with the conformability of assurance braking force.
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1-5, the structural representation of the electronic brake actr that Fig. 1 provides for the utility model embodiment; The structural representation of the worm screw that Fig. 2 provides for the utility model embodiment; The structural representation of the worm gear that Fig. 3 provides for the utility model embodiment; The structural representation of the screw collar that Fig. 4 provides for the utility model embodiment; The structural representation of the screw rod that Fig. 5 provides for the utility model embodiment.
The electronic brake actr that the utility model embodiment provides comprises housing, drive motor 1, first driving system, screw collar 7 and screw rod 10.
Wherein, drive motor 1 is arranged on the housing, and its motor shaft stretches into enclosure interior, and first driving system links to each other with motor shaft, and is positioned at the inside of housing.Screw collar 7 links to each other with first driving system, and drive motor 1 passes to screw collar 7 through first driving system with propulsive effort, drives screw collar 7 along its axial rotation, and screw collar 7 has tapped bore 72.
(screw rod 10 has outside thread 101 with tapped bore 72 screws thread fit of realizing screw rod 10 that axis moves and screw collar 7; The screw-internal thread fit of outside thread 101 and tapped bore 72; The concrete form of ridge can be trapezoidal tooth, rectangle tooth and trigonodont etc.); Screw rod 10 outer ends of stretching in housing are provided with drag-line erection joint 104, and drag-line erection joint 104 is used for linking to each other with brake equipment bonded assembly drag-line.The utility model is through the rotation of screw collar 7; Realize moving axially of screw rod 10; It will be appreciated by persons skilled in the art that in order to realize moving axially of screw rod 10, must limit it and rotate in a circumferential direction; The measure that (for example in the screw mechanism) restriction screw rod rotates in a circumferential direction in the prior art is a lot, and this paper repeats no more.
The electronic brake actr that the utility model provides, through starting drive motor 1, drive motor 1 drives the motion of first driving system, and finally drives screw collar 7 rotations.In screw collar 7 rotation processes, can make screw rod 10 move along its axis.Along with moving axially of screw rod 10, the drag-line that is installed in the drag-line erection joint 104 with regard to stretchy moves, and moving with regard to stretchy wheel braking device of drag-line realizes braking during standstill.Because the utility model adopts the mode of screw mechanism, guarantee the miles of relative movement of screw rod 10, therefore can come the rotating cycle of controlling and driving motor through calculating the miles of relative movement of the required screw rod 10 of rational braking force.The utility model can guarantee the conformability of braking force, and more reasonably braking force is provided.
(Electronic Parking Brake EPB) is a type of automobile line control brake system to electronic brake system, also is the developing direction of park braking system for automobile.With manual machine formula emergency brake system of the prior art, at operator's compartment a pull bar need be installed and compare, electronic brake system the substitute is a button, has saved the space, and has made things convenient for and control.Chaufeur only need be pressed the EPB activator button, can realize easily that automatic parking, auxiliary slope play, prevent to slip functions such as car, has guaranteed drive safety and comfort feature greatly.And control unit can provide the most reasonably power output according to different road conditions, can not vary with each individual, and always pull bar is moved easily to the problem of maximum position when having avoided hand-operated brake, has improved the service life of emergency brake system parts.
Stability when moving axially in order to improve screw rod 10, the utility model also can comprise the sleeve pipe 12 that is arranged at housing one side, screw rod 10 passes sleeve pipe 12 and stretches into enclosure interior.The i.e. support and the directional tagging of sleeve pipe 12 spacing screw rods 10 in the present embodiment.
Screw rod 10 cooperates with sleeve pipe 12 through guiding mechanism near an end of drag-line erection joint 104.As shown in Figure 5, guiding mechanism comprises guided way 102 and chute.Wherein, guided way 102 is arranged on the screw rod 10, and in the present embodiment, guided way 102 is two, and is 180 degree layouts.Be opened on the sleeve pipe 12 with the chute of guided way 102 bearing fits, the cooperation through guided way 102 and chute has limited rotatablely moving of screw rod 10.
It will be understood by those skilled in the art that; Also can for example can on screw rod 10, offer chute, the guided way that cooperates with this chute is set on the inwall of sleeve pipe 12 through the degree of freedom of other structural limitations screw rod 10 rotations; Promptly through changing in the foregoing description, guided way and chute the position is set.Also can be designed to the rotation that profile limits screw rod 10 through partial cross section with screw rod 10.
In the present embodiment, housing specifically comprises inner housing 3 and the body skin 2 that is sheathed on inner housing 3 outsides, and drive motor 1 is arranged on the body skin 2, and first driving system and screw collar 7 are arranged in the inner housing 3.The utility model is through being the design of inside and outside shell with case design, can be separately transmission system and PCB (PrintedCircuitBoard, printed circuit board), and like this, can realize well lubricated in the transmission system and can not influence PCB.
In the present embodiment, first driving system comprises worm screw 4 and worm gear 6.Wherein, worm screw 4 links to each other with motor shaft, worm gear 6 and worm screw 4 engagements (the wheel toothed portion 61 of worm gear 6 is meshed with the wheel toothed portion 42 of worm screw 4), and worm gear 6 is installed in the bearing hole of inner housing 3 through two antifriction-bearing boxs 5, worm gear 6 and 7 coaxial linking to each other of screw collar.The axis direction that it will be appreciated by persons skilled in the art that worm gear and worm screw is vertical, is beneficial to the layout in its space like this.
In another embodiment, worm gear 6 also can be through the helical wheel replacement.And first driving system can also be finishing bevel gear cuter mechanism (being similarly axially vertical mode); The ordinary straight gear mechanism also can; As long as can give screw collar 7 with the transmission of power of drive motor 1 output, the utility model is not done qualification to the concrete form of first driving system.
The axle head of worm screw 4 offers and is used for the urgent interior hexagonal counterbore 41 that discharges, the exterior of interior hexagonal counterbore 41 and body skin 2.The urgent releasing structure that the utility model provides need not to regulate extra structure, only is to offer an interior hexagonal counterbore 41 in the end of worm screw 4, can be when the electronics Parking there be electricity to need to remove Parking, and available special hex spanner discharges Parking.
The axial freedom of screw collar 7 is through being arranged at thrust baring 8 restrictions in the inner housing 3, and the axial freedom of thrust baring 8 is leaned on door 9 restrictions, and the axial freedom of door 9 is by body skin 2 restrictions.
Be arranged with the magnet ring 11 that is used to measure motor 1 output speed on the motor shaft; Magnet ring 11 rotates with motor output shaft synchronously; Pcb board can detect the rotating speed of motor output shaft upper magnetic ring 11; Be used to record motor speed, and through certain algorithm and then draw the motor output torque, in order to judge this moment, whether the braking force size that provides met brake request.When automobile has the braking during standstill demand; Present concrete vehicle condition can be learnt according to the information of vehicles of each sensor acquisition by the EPB system, and and then can calculate required braking force; Can start drive motor 1 then, drive the brake actuating system of electronic brake actr.
Each embodiment adopts the mode of going forward one by one to describe in this specification sheets, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. an electronic brake actr is characterized in that, comprising:
Housing;
Be arranged at the drive motor (1) on the said housing, its motor shaft stretches into said enclosure interior;
Link to each other with said motor shaft, and be positioned at first driving system of said enclosure interior;
The screw collar (7) that links to each other with said first driving system, said screw collar (7) has tapped bore (72);
Tapped bore (72) screw thread fit with said screw collar (7); With the screw rod (10) of realizing that axis moves; The outer end of stretching in said housing of said screw rod (10) is provided with drag-line erection joint (104), and said drag-line erection joint (104) is used for linking to each other with brake equipment bonded assembly drag-line.
2. electronic brake actr as claimed in claim 1 is characterized in that, also comprises the sleeve pipe (12) that is arranged at said housing one side, and said screw rod (10) passes said sleeve pipe (12) and stretches into said enclosure interior.
3. electronic brake actr as claimed in claim 2 is characterized in that, said screw rod (10) cooperates with said sleeve pipe (12) through guiding mechanism near an end of said drag-line erection joint (104).
4. electronic brake actr as claimed in claim 3 is characterized in that, said guiding mechanism comprises:
Be arranged at the guided way (102) on the said screw rod (10);
Be opened on the said sleeve pipe (12), and with the chute of said guided way (102) bearing fit.
5. electronic brake actr as claimed in claim 1 is characterized in that, said housing specifically comprises inner housing (3) and is sheathed on the body skin (2) in said inner housing (3) outside;
Said drive motor (1) is arranged on the said body skin (2);
Said first driving system and said screw collar (7) are arranged in the said inner housing (3).
6. electronic brake actr as claimed in claim 5 is characterized in that, said first driving system comprises:
The worm screw (4) that links to each other with said motor shaft;
With said worm screw (4) ingear worm gear (6), said worm gear (6) is installed in the bearing hole of said inner housing (3) through two antifriction-bearing boxs (5), said worm gear (6) and coaxial linking to each other of said screw collar (7).
7. electronic brake actr as claimed in claim 6; It is characterized in that; Said worm gear (6) is sheathed on the said screw collar (7), and the endoporus of said worm gear (6) has vertically the chute of arranging (62), and said screw collar (7) is provided with the convexity (71) that cooperates with said chute (62).
8. electronic brake actr as claimed in claim 6 is characterized in that, the axle head of said worm screw (4) offers and is used for the urgent interior hexagonal counterbore (41) that discharges, the exterior of said interior hexagonal counterbore (41) and said body skin (2).
9. electronic brake actr as claimed in claim 5; It is characterized in that; The axial freedom of said screw collar (7) is through being arranged at thrust baring (8) restriction in the said inner housing (3); The axial freedom of said thrust baring (8) is leaned on door (9) restriction, and the axial freedom of said door (9) is limited by said body skin (2).
10. like each described electronic brake actr of claim 1-9, it is characterized in that, be arranged with the magnet ring (11) that is used to measure said motor (1) output speed on the said motor shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220083688 CN202481063U (en) | 2012-03-07 | 2012-03-07 | Electronic parking braking executor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220083688 CN202481063U (en) | 2012-03-07 | 2012-03-07 | Electronic parking braking executor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202481063U true CN202481063U (en) | 2012-10-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220083688 Expired - Lifetime CN202481063U (en) | 2012-03-07 | 2012-03-07 | Electronic parking braking executor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202481063U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104670482A (en) * | 2015-02-05 | 2015-06-03 | 南京航空航天大学 | Electric worm-gear airplane braking system and method for operating braking system |
| CN106476781A (en) * | 2016-11-04 | 2017-03-08 | 浙江力邦合信智能制动系统股份有限公司 | Deceleration of electrons booster |
| CN108194541A (en) * | 2018-01-24 | 2018-06-22 | 瑞立集团瑞安汽车零部件有限公司 | A kind of double Zipper-type electric parking brakes |
| CN112406832A (en) * | 2020-11-02 | 2021-02-26 | 精诚工科汽车系统有限公司 | Braking system and vehicle |
| CN113232638A (en) * | 2021-06-07 | 2021-08-10 | 上海众持汽车零部件有限公司 | Be applied to drum brake's electronic parking executor |
| CN113883195A (en) * | 2021-10-25 | 2022-01-04 | 格陆博科技有限公司 | Stay-supported electronic parking actuator of integrated form |
-
2012
- 2012-03-07 CN CN 201220083688 patent/CN202481063U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104670482A (en) * | 2015-02-05 | 2015-06-03 | 南京航空航天大学 | Electric worm-gear airplane braking system and method for operating braking system |
| CN106476781A (en) * | 2016-11-04 | 2017-03-08 | 浙江力邦合信智能制动系统股份有限公司 | Deceleration of electrons booster |
| CN108194541A (en) * | 2018-01-24 | 2018-06-22 | 瑞立集团瑞安汽车零部件有限公司 | A kind of double Zipper-type electric parking brakes |
| CN112406832A (en) * | 2020-11-02 | 2021-02-26 | 精诚工科汽车系统有限公司 | Braking system and vehicle |
| CN112406832B (en) * | 2020-11-02 | 2021-12-17 | 精诚工科汽车系统有限公司 | Braking system and vehicle |
| CN113232638A (en) * | 2021-06-07 | 2021-08-10 | 上海众持汽车零部件有限公司 | Be applied to drum brake's electronic parking executor |
| CN113883195A (en) * | 2021-10-25 | 2022-01-04 | 格陆博科技有限公司 | Stay-supported electronic parking actuator of integrated form |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 4 / F, building 1, No.14 Jiuxianqiao Road, Chaoyang District, Beijing 100020 Patentee after: Beijing Jingwei Hirain Technologies Co.,Inc. Address before: 100101 Beijing city Chaoyang District Anxiang Beili 11 B block 8 layer Patentee before: Beijing Jingwei HiRain Technologies Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |