CN115123168A - Electromechanical brake locking mechanism and use method thereof - Google Patents
Electromechanical brake locking mechanism and use method thereof Download PDFInfo
- Publication number
- CN115123168A CN115123168A CN202210763683.0A CN202210763683A CN115123168A CN 115123168 A CN115123168 A CN 115123168A CN 202210763683 A CN202210763683 A CN 202210763683A CN 115123168 A CN115123168 A CN 115123168A
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- motor
- locking
- sleeve wheel
- electromechanical brake
- locking mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 19
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
- B60T13/746—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive and mechanical transmission of the braking action
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses a locking mechanism of an electromechanical brake and a using method thereof.A power head shell, a locking motor, a motor wire harness connector, a sleeve wheel, an output helical gear and a motor belt shell assembly are arranged on the power head shell; the locking motor is clamped in the power head shell; the motor constraint connector penetrates through the power head shell to be fixed with the locking motor; the sleeve wheel and the output bevel gear are sequentially sleeved on an output shaft of the motor belt shell assembly, and a contact of the locking motor is over against the sleeve wheel; the power head shell and the motor belt shell assembly are fixed through a mounting bolt. The invention can realize the parking brake mechanical locking function without influencing the service brake transmission efficiency, and can not cause the parking brake failure due to the system power failure when the service brake is powered off, thereby ensuring the parking safety and reliability.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to a locking mechanism of an electromechanical brake and a using method thereof.
Background
At present, in an automobile braking system, service braking functions of front and rear brake calipers are realized by adopting a hydraulic piston mechanism, and a parking braking mechanism is realized by a mechanical parking part or an electronic parking part of the rear calipers. However, due to the development of automobile technology, the application and popularization of electromechanical braking technology are accelerated by the technical requirements of braking energy recovery and high-order intelligent driving of new energy vehicles at present. The electromechanical brake has obvious advantages in aspects of braking energy recovery, four-wheel brake independent control and the like, but the electromechanical brake not only meets the requirement of service brake, but also provides enough braking force and meets the requirement of vehicle parking brake, so that the vehicle can be normally parked after being powered off on a ramp, and at present, an independent mechanical locking structure does not exist, and the requirement of parking safety is met.
Disclosure of Invention
In view of the above, in order to solve the above problems, the present invention provides an electromechanical brake locking mechanism and a method for using the same, including:
the power head comprises a power head shell, a locking motor, a motor wire harness connector, a sleeve wheel, an output bevel gear and a motor belt shell assembly;
the locking motor is clamped in the power head shell;
the power head shell is provided with a jack, and the motor constraint connector penetrates through the jack and is fixed with the locking motor;
the sleeve wheel and the output bevel gear are sequentially sleeved on an output shaft of the motor belt shell assembly, and a contact of the locking motor is over against the sleeve wheel;
the power head shell and the motor belt shell assembly are fixed through a mounting bolt.
The electromechanical brake locking mechanism is characterized in that the sleeve wheel is in interference fit with the output bevel gear in a pre-pressing mode.
Above-mentioned electromechanical brake locking mechanism, wherein, the unit head casing is integrative injection moulding.
Above-mentioned electromechanical brake locking mechanism, wherein, the unit head casing comprises first round structure and second circle column structure, first round structure with the junction of second circle column structure is equipped with a part chamber, the fixed joint of locking motor in the part intracavity, motor area casing assembly fixed mounting in the second circle column structure.
Above-mentioned electromechanical brake locking mechanism, wherein, the outer wall of second circle column structure is equipped with a plurality of first installation departments.
Above-mentioned electromechanical brake locking mechanism, wherein, the outer wall of motor area shell assembly is equipped with a plurality of second installation departments.
Above-mentioned electromechanical brake locking mechanism, wherein, the unit head casing with the motor takes the casing assembly to pass through first installation department with second installation department fixed mounting.
Above-mentioned electromechanical brake locking mechanism, wherein, the second installation department is double-deck setting.
A use method of the locking mechanism of the electromechanical brake comprises the locking mechanism of the electromechanical brake,
the first working state: when the automobile runs normally or is not braked, a gap is reserved between a contact of the locking motor and the sleeve wheel, and the sleeve wheel and the output bevel wheel rotate;
the second working state: when the automobile is in parking braking, the control system controls the contact of the locking motor to extend out and be clamped into a gap of teeth on the sleeve wheel, the sleeve wheel stops rotating, and the output bevel gear stops rotating;
the third working state: when the automobile is in parking braking, the contact of the locking motor and the gear on the sleeve wheel interfere, the control system controls the contact of the locking motor to retreat, the control system controls the rotation of the output helical gear, the rotation of the sleeve wheel, and when the locking motor and the gap is reserved between the sleeve wheel, the control system controls the contact of the locking motor to stretch out the card to be clamped into the gap of the gear on the sleeve wheel, the sleeve wheel stops rotating, and the output helical gear stops rotating.
Compared with the prior art, the technical scheme has the positive effects that:
the invention provides an electromechanical brake locking mechanism and a use method thereof, wherein the electromechanical brake locking mechanism is used for service braking and parking braking, the mechanical locking function of the parking braking is realized while the transmission efficiency of the service braking is not influenced, and the parking braking is not failed due to the power failure of a system when the service braking is powered off, so that the safety and reliability of parking are ensured.
Drawings
FIG. 1 is an assembly view of an electromechanical brake locking mechanism of the present invention.
Fig. 2 is an exploded view of a locking mechanism of an electromechanical brake of the present invention.
FIG. 3 is a schematic view of an electromechanical brake locking mechanism of the present invention in a released state.
Fig. 4 is a schematic diagram of a locking mechanism of an electromechanical brake in a normal locking state according to the present invention.
Fig. 5 is a schematic diagram of the locking mechanism of the electromechanical brake in an abnormal locking state according to the present invention.
1. A power head housing; 2. locking the motor; 3. a motor harness connector; 4. sleeving a wheel; 5. an output bevel gear; 6. installing a bolt; 7. the motor is provided with a shell assembly; 8. a first ring-like structure; 9. a second loop structure; 10. a contact; 11. a first mounting portion; 12. a second mounting portion; 13. a part cavity.
Detailed Description
The invention is further described with reference to the following drawings and detailed description, but is not intended to be limited thereto.
The structures, the proportions, the sizes, and the like shown in the drawings attached to the present specification are only used for matching with the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used for limiting the conditions under which the present invention can be implemented, so that the present invention has no technical essence, and any structural modification, changes of the proportion relation, or adjustment of the size, should fall within the scope covered by the disclosure of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1 to 5, there is shown a preferred embodiment of an electromechanical brake locking mechanism comprising: the power head comprises a power head shell 1, a locking motor 2, a motor wiring harness plug-in 3, a sleeve wheel 4, an output helical gear 5, a mounting bolt 6 and a motor belt shell assembly 7. The locking motor 2 is clamped in the power head shell 1; a jack is arranged on the power head shell 1, and the motor constraint connector 3 passes through the jack and is fixed with the locking motor 2; the sleeve wheel 4 and the output bevel gear 5 are sequentially sleeved on an output shaft of the motor belt shell assembly 7, and a contact of the locking motor 2 is opposite to the sleeve wheel 4; the power head shell 1 and the motor belt shell assembly 7 are fixed through a mounting bolt 6.
In the actual use process, the locking motor 2 is clamped and fixed inside the power head shell 1, the sleeve wheel 4 is pressed to the root of the output bevel gear, the sleeve wheel 4 and the output bevel gear 5 are ensured not to slide relatively, and finally the power head shell 1 and the motor shell assembly are installed together through the installation bolt 6, so that the power head shell 1 and the motor shell assembly are ensured to be assembled firmly and reliably.
Specifically, the electromechanical brake locking mechanism is divided into three operating states. The first working state: referring to fig. 3 in detail, when the vehicle runs normally or is not braked, the contact 10 of the lock motor 2 keeps a certain gap with the sheave 4, no contact force is applied between the contact 10 and the sheave 4, and the sheave 4 and the output bevel gear 5 rotate normally. The second working state: specifically, as shown in fig. 4, when the parking brake is performed, the control system controls the contact 10 of the locking motor 2 to extend out and be clamped into a gap between the upper teeth of the sleeve wheel 4, the sleeve wheel 4 cannot rotate, and the sleeve wheel 4 drives the output helical gear 5 to be unable to rotate, so that the purpose of locking is achieved, and at the time of power failure of the parking brake, the contact 10 of the locking motor 2 cannot move back, the locking state is continuously maintained, and the safety and reliability of the parking function are ensured. The third working state: referring specifically to fig. 5, in a specific operating condition, the control system controls the contact 10 of the locking motor 2 to extend, and the contact 10 of the locking motor 2 may interfere with the teeth on the sheave 4, so that normal locking cannot be achieved. At the moment, the control module can confirm that the locking is not effective through the output current of the locking motor 3 and the position information of the contact 10, the control system controls the contact 10 of the locking motor 2 to retreat, the helical gear 5 synchronously outputs rotation, and when the control system calculates and determines that a sufficient gap exists between the locking motor 2 and the sleeve wheel 4, the contact 10 of the locking motor 2 extends out again and is clamped into the gap of the teeth on the sleeve wheel 4 for locking, and the contact cannot retreat under the power-off state and keeps the locking state. When a driver needs to release the parking brake and the vehicle needs to run, the control system controls the contact 10 of the locking motor 2 to retreat, a certain gap is kept between the contact 10 and the sleeve wheel 4, the parking is released, and the vehicle runs normally.
The present invention also has the following embodiments in addition to the above:
further, an electromechanical brake locking mechanism, wherein, the sleeve wheel 4 is in interference fit with the output helical gear 5 in a prepressing mode. The relative sliding of the sleeve pulley 4 and the output bevel gear 5 can be ensured by interference fit.
Further, an electromechanical brake locking mechanism, wherein, unit head housing 1 is for integrative injection moulding. The stability of the whole power head housing 1 is high.
Further, an electromechanical brake locking mechanism, wherein, unit head housing 1 comprises first round structure 8 and second round structure 9, and the junction of first round structure 8 and second round structure 9 is equipped with a part chamber 13, and locking motor 2 fixed joint is in part chamber 13, and motor area shell assembly 7 fixed mounting is in second round structure 9. In particular, a motor belt shell assembly 7 is arranged in a second ring-shaped structure 9, the locking mechanism is arranged in other devices through a first ring-shaped structure 8,
further, the electromechanical brake locking mechanism is characterized in that a plurality of first installation parts 11 are arranged on the outer wall of the second ring-shaped structure 9.
Furthermore, the locking mechanism of the electromechanical brake is characterized in that a plurality of second installation parts 12 are arranged on the outer wall of the motor belt shell assembly 7.
Further, an electromechanical brake locking mechanism, wherein, unit head casing 1 and motor area casing assembly 7 pass through first installation department 11 and second installation department 12 fixed mounting. Specifically, the number of the first installation parts 11 is 3, the 3 first installation parts 11 are uniformly arranged on the outer wall of the second ring-shaped structure 9, the number of the second installation parts 12 is 3, the 3 second installation parts 12 are uniformly arranged on the outer wall of the motor belt shell assembly 7, and each first installation part 11 and each second installation part 12 are fixedly installed through one installation bolt 6.
Further, an electromechanical brake locking mechanism, wherein, second installation department 12 is the double-deck setting. The double-layer second mounting part 12 can effectively increase the strength of the joint of the first mounting part 11 and the second mounting part 12. The installation of the power head shell 1 and the motor belt shell assembly 7 is more firm.
A use method of the locking mechanism of the electromechanical brake comprises the locking mechanism of the electromechanical brake,
the first working state: when the automobile is in a normal driving or non-braking process, a gap is reserved between a contact 10 of the locking motor 2 and the sleeve wheel 4, and the sleeve wheel 4 and the output bevel gear 5 rotate;
the second working state: when the automobile is in parking braking, the control system controls the contact 10 of the locking motor 2 to extend out and be clamped into a gap of teeth on the sleeve wheel 4, the sleeve wheel 4 stops rotating, and the output bevel gear 5 stops rotating;
the third working state: when the automobile is in parking braking and the contact 10 of the locking motor 2 interferes with the teeth on the sleeve wheel 4, the control system controls the contact 10 of the locking motor 2 to retreat, the output bevel gear 5 rotates, the sleeve wheel 4 rotates, when a sufficient gap exists between the locking motor 2 and the sleeve wheel 4, the control system controls the contact 10 of the locking motor 2 to extend out and be clamped into the gap of the teeth on the sleeve wheel 4, the sleeve wheel 4 stops rotating, and the output bevel gear 5 stops rotating.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made without departing from the spirit and scope of the invention.
Claims (9)
1. An electromechanical brake locking mechanism, comprising:
the power head comprises a power head shell, a locking motor, a motor wiring harness connector, a sleeve wheel, an output helical gear and a motor belt shell assembly;
the locking motor is clamped in the power head shell;
the power head shell is provided with a jack, and the motor constraint connector penetrates through the jack and is fixed with the locking motor;
the sleeve wheel and the output bevel gear are sequentially sleeved on an output shaft of the motor belt shell assembly, and a contact of the locking motor is over against the sleeve wheel;
the power head shell and the motor belt shell assembly are fixed through a mounting bolt.
2. The electromechanical brake locking mechanism of claim 1, wherein the sheave is interference fit with the output helical gear by means of pre-compression.
3. The electromechanical brake locking mechanism of claim 1, wherein the powerhead housing is integrally injection molded.
4. The electromechanical brake locking mechanism of claim 1, wherein the power head housing comprises a first ring-shaped structure and a second ring-shaped structure, a part cavity is formed at a joint of the first ring-shaped structure and the second ring-shaped structure, the locking motor is fixedly clamped in the part cavity, and the motor belt housing assembly is fixedly mounted in the second ring-shaped structure.
5. The electromechanical brake locking mechanism of claim 1, wherein the outer wall of the second ring structure is provided with a plurality of first mounting portions.
6. The electromechanical brake locking mechanism of claim 5, wherein the outer wall of the motor belt housing assembly is provided with a plurality of second mounting portions.
7. The electromechanical brake locking mechanism of claim 6, wherein the power head housing and the motor belt housing assembly are fixedly secured by the first mounting portion and the second mounting portion.
8. The electromechanical brake lock mechanism of claim 6, wherein the second mounting portion is double layered.
9. A method of using an electromechanical brake locking mechanism, comprising an electromechanical brake locking mechanism according to any of claims 1-8,
the first working state: when the automobile runs normally or is not braked, a gap is reserved between a contact of the locking motor and the sleeve wheel, and the sleeve wheel and the output bevel wheel rotate;
the second working state: when the automobile is in parking braking, the control system controls the contact of the locking motor to extend out and be clamped into a gap of teeth on the sleeve wheel, the sleeve wheel stops rotating, and the output bevel gear stops rotating;
the third working state: when the automobile is in parking braking, the contact of the locking motor and the gear on the sleeve wheel interfere, the control system controls the contact of the locking motor to retreat, the control system controls the rotation of the output helical gear, the rotation of the sleeve wheel, and when the locking motor and the gap is reserved between the sleeve wheel, the control system controls the contact of the locking motor to stretch out the card to be clamped into the gap of the gear on the sleeve wheel, the sleeve wheel stops rotating, and the output helical gear stops rotating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210763683.0A CN115123168A (en) | 2022-06-30 | 2022-06-30 | Electromechanical brake locking mechanism and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210763683.0A CN115123168A (en) | 2022-06-30 | 2022-06-30 | Electromechanical brake locking mechanism and use method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN115123168A true CN115123168A (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210763683.0A Pending CN115123168A (en) | 2022-06-30 | 2022-06-30 | Electromechanical brake locking mechanism and use method thereof |
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| CN (1) | CN115123168A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10100872A (en) * | 1996-09-27 | 1998-04-21 | Toyota Motor Corp | Parking device for transmission |
| CN203500449U (en) * | 2013-08-30 | 2014-03-26 | 长城汽车股份有限公司 | Automobile parking locking mechanism |
| DE102016015728A1 (en) * | 2016-04-15 | 2017-10-19 | Hugo Benzing Gmbh & Co. Kg | Parking brake actuator |
| CN107725766A (en) * | 2017-10-23 | 2018-02-23 | 北京新能源汽车股份有限公司 | P keeps off halting mechanism and vehicle |
| CN207454753U (en) * | 2017-10-23 | 2018-06-05 | 北京新能源汽车股份有限公司 | P keeps off halting mechanism and vehicle |
| CN108468801A (en) * | 2018-03-21 | 2018-08-31 | 北京新能源汽车股份有限公司 | Halting mechanism |
| CN109217534A (en) * | 2018-10-09 | 2019-01-15 | 北京新能源汽车股份有限公司 | The driving motor of vehicle |
| CN110657177A (en) * | 2018-06-29 | 2020-01-07 | 上海茵索汽车科技有限公司 | Motor-driven vehicle brake power driving device |
| CN110686077A (en) * | 2019-10-29 | 2020-01-14 | 重庆青山工业有限责任公司 | Automobile transmission parking mechanism |
| CN214500012U (en) * | 2021-03-15 | 2021-10-26 | 精诚工科汽车系统有限公司 | Vehicle braking parking mechanism and vehicle |
-
2022
- 2022-06-30 CN CN202210763683.0A patent/CN115123168A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10100872A (en) * | 1996-09-27 | 1998-04-21 | Toyota Motor Corp | Parking device for transmission |
| CN203500449U (en) * | 2013-08-30 | 2014-03-26 | 长城汽车股份有限公司 | Automobile parking locking mechanism |
| DE102016015728A1 (en) * | 2016-04-15 | 2017-10-19 | Hugo Benzing Gmbh & Co. Kg | Parking brake actuator |
| CN107725766A (en) * | 2017-10-23 | 2018-02-23 | 北京新能源汽车股份有限公司 | P keeps off halting mechanism and vehicle |
| CN207454753U (en) * | 2017-10-23 | 2018-06-05 | 北京新能源汽车股份有限公司 | P keeps off halting mechanism and vehicle |
| CN108468801A (en) * | 2018-03-21 | 2018-08-31 | 北京新能源汽车股份有限公司 | Halting mechanism |
| CN110657177A (en) * | 2018-06-29 | 2020-01-07 | 上海茵索汽车科技有限公司 | Motor-driven vehicle brake power driving device |
| CN109217534A (en) * | 2018-10-09 | 2019-01-15 | 北京新能源汽车股份有限公司 | The driving motor of vehicle |
| CN110686077A (en) * | 2019-10-29 | 2020-01-14 | 重庆青山工业有限责任公司 | Automobile transmission parking mechanism |
| CN214500012U (en) * | 2021-03-15 | 2021-10-26 | 精诚工科汽车系统有限公司 | Vehicle braking parking mechanism and vehicle |
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