CN207848256U - Motorcar electric floating caliper type disc braking system - Google Patents
Motorcar electric floating caliper type disc braking system Download PDFInfo
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- CN207848256U CN207848256U CN201721876543.5U CN201721876543U CN207848256U CN 207848256 U CN207848256 U CN 207848256U CN 201721876543 U CN201721876543 U CN 201721876543U CN 207848256 U CN207848256 U CN 207848256U
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Abstract
The utility model provides a kind of motorcar electric floating caliper type disc braking system, including fixed frame, guide pin, Jiong shape caliper shell, camshaft, brake block sliding pin, motor and brake disc etc., guide pin passes through the left plate of caliper shell to be fixedly connected with fixed frame, and inner surface of the left plate towards right side is equipped with fixed friction pad；Brake block sliding pin passes through the right plate of caliper shell, pin head is located between the both side plate of caliper shell, it is arranged with return spring on position on brake block sliding pin between pin head and caliper shell right plate, pin head left end is equipped with sliding friction pad, brake disc disk body is between fixed friction pad and sliding friction pad, driving gear on motor output shaft is engaged with the reduction gearing on camshaft, and reduction gearing band moving cam rotates, and realizes that both sides lining pad clamps brake disc jointly.Motor used in the utility model should have stronger locked rotor characteristic, and the locking of on-position is realized using motor rotation blockage, ensure reliable braking.
Description
Technical field
The utility model is related to floating caliper type disc braking technologies, are braked more specifically, being realized by motor drive actuator,
Belong to field of automobile brake.
Background technology
At present on domestic automobile, mostly using gas (liquid) servo brake system, it is multiple often to there is system in servo-drive system
The defects of miscellaneous, weight is big, and arrangement is difficult, installation is inconvenient, for considering have in this respect using electrically driven (operated) automobile brake
Apparent superiority.
Application No. is the Chinese invention patent applications of 201710064500.5, entitled " electronic disc brake "
In, it is driven using motor, deceleration train, complicated gear worm mechanism, screw-driven are braked to realize.But mechanical transfer efficiency
Lowly, complicated.
Utility model content
In view of the above-mentioned problems, the utility model is intended to design a kind of motorcar electric floating caliper type disc braking system, the system is logical
Motor direct-drive gear is crossed, centre uses primary speed-down mechanism, using the movement of motor drive actuator, directly and efficiently
It realizes automobile brake, has mechanical transfer efficient, the response time is fast, the high feature of reliability.The purpose of this utility model is
It is achieved through the following technical solutions：
A kind of motorcar electric floating caliper type disc braking system, including fixed frame, guide pin, caliper shell, fixed friction lining
Block, sliding friction pad, camshaft, return spring, brake block sliding pin, motor and brake disc, the caliper shell are Jiong shape knot
Structure, including a upper plate and the left plate and right plate opposite with the both direction that the upper plate is connected, the caliper shell
Left plate be overlapped on fixed frame, guide pin pass through caliper shell left plate be fixedly connected with fixed frame, the left side
The inner surface of plate face to the right is equipped with fixed friction pad；The right plate of the caliper shell is equipped with pin hole, the braking
One end of block sliding pin is equipped with pin head, and brake block sliding pin passes through the right plate of caliper shell, pin head to be located at the two of caliper shell
Between side plate, and return bullet is arranged on the position on the brake block sliding pin between pin head and caliper shell right plate
Spring, pin head left end are equipped with sliding friction pad；
The motor is equipped with motor output shaft, and motor output shaft is equipped with driving gear；It is fixedly mounted on the camshaft
There are reduction gearing and cam, the driving gear to be engaged with reduction gearing, the reduction gearing band moving cam rotates；The cam
Between pin head and the right plate of braking pin boss；The brake disc disk body is located at fixed friction pad and sliding friction pad
Between.
Further, for convenience of installation and fixed, the section being located on the caliper shell left plate above fixed frame
Equipped with boss, the boss thickness be more than fixed frame thickness, boss face to the right side plate one side be equipped with fixed friction pad.
Further, the section below boss is located on the left plate of the caliper shell and is equipped with slide opening, fixed frame is equipped with
Connecting hole, the slide opening and connection axially bored line centering, guide pin are fixedly connected across slide opening with connecting hole；The slide opening diameter
More than connection bore dia, clearance fit between guide pin and slide opening, consolidating for interference fit between guide pin and connecting hole
Fixed connection is threadedly coupled.
Specifically, the cam can be elliptical flat-plate, in the operating condition, the arc corresponding to oval two major diameters
Right plate of the shape face respectively with pin head and caliper shell abuts against, and brake block sliding pin is pushed to be moved to the left, and caliper shell is whole
It moves right, brake disc disk body is made to be locked between fixed friction pad and sliding friction pad；When brake release, return spring
Brake block sliding pin is driven to slide to the right, band moving cam, which is rotated, to be corresponded to cambered surface to major diameter and disengaged with pin head and right plate, is made
Fixed friction pad and movable lining pad are detached with brake disc, to release braking.
Further, when electrical power is braked, motor has locked rotor characteristic, and the lock of on-position is realized by motor rotation blockage
It is fixed.
Further, the lower surface of the upper plate of the caliper shell connects hole equipped with hollow, and one end of the camshaft is logical
It crosses two bearings and is connected to this and hollow connect inside hole.
Further, right plate is equipped with the limiting plate for being parallel to upper plate, sets limit hole on limiting plate, motor output shaft is worn
The limit hole is crossed, the driving gear being set on motor output shaft is located between the limit hole and upper plate, drives gear and is set to
Reduction gearing engagement on camshaft.
Further, the reduction gearing and cam are fixed together by flat key and camshaft respectively, and reduction gearing with
Cam both sides are fixed by clamp spring.
When vehicle needs braking, motor is started to work, and the driving gear band on motor output shaft moves reduction gearing rotation,
To the rotation of driving cam, when cam just starts to hold out against brake block sliding pin, the activity being fixed on brake block sliding pin rubs
Pad starts to press to brake disc, while causing caliper shell floating along the guide pin being fixed on guide pin fixing bracket
Dynamic, the fixed friction pad being fixed on caliper shell also presses to brake disc, to realize that both sides lining pad clamps system jointly
Moving plate realizes vehicle braking, and during braking, motor keeps stall, the on-position of locking mechanism, according to different systems
Power demand adjusts motor rotation blockage torque；When vehicle need not be braked, motor power-off keeps caliper shell extensive by return spring
Free state, brake release are arrived again.
The utility model realizes the caliper shell return after brake release using return spring mechanism, and special using cam
Different shape realizes stepping up and discharging for caliper, to achieve the purpose that braking and release to brake.When electrical power, driven by motor
Moving cam shaft gear rotates with moving cam and overcomes the pulling force of return spring, so that cam major diameter is compressed brake disc and realizes braking；Electricity
When machine powers off, return, brake release are realized to brake actuator by return spring.Motor used in the utility model should have compared with
Strong locked rotor characteristic realizes the locking of on-position using motor rotation blockage, ensures reliable braking.
Description of the drawings
Fig. 1 show the front view of the electronic floating caliper type disc braking system of the utility model embodiment 2.
Fig. 2 show the sectional view of the electronic floating caliper type disc braking system of the utility model embodiment 2.
Fig. 3 show the part total figure of the electronic floating caliper type disc braking system of the utility model embodiment 2.
Fig. 4 show the driving mechanism schematic diagram of the electronic floating caliper type disc braking system of the utility model embodiment 2.
Fig. 5 show the right view of the electronic floating caliper type disc braking system of the utility model embodiment 2.
It is numbered in figure：1- caliper shells；2- fixed friction pads；3- activity lining pads；4- camshafts；5- return bullets
Spring；6- brake block sliding pins；7- motors；8- brake discs；9- guide pin fixing brackets；10- guide pins；11- drives gear；
12- reduction gearing；13- cams；14- clamp springs；15- flat keys；16- bearings.
Specific implementation mode
Embodiment 1：
A kind of motorcar electric floating caliper type disc braking system, including fixed frame, guide pin, caliper shell, fixed friction lining
Block, sliding friction pad, camshaft, return spring, brake block sliding pin, motor and brake disc, the caliper shell are Jiong shape knot
Structure, including a upper plate and the left plate and right plate opposite with the both direction that the upper plate is connected, the caliper shell
Left plate be overlapped on fixed frame, guide pin pass through caliper shell left plate be fixedly connected with fixed frame, the left side
The inner surface of plate face to the right is equipped with fixed friction pad；The right plate of the caliper shell is equipped with pin hole, the braking
One end of block sliding pin is equipped with pin head, and brake block sliding pin passes through the right plate of caliper shell, pin head to be located at the two of caliper shell
Between side plate, and return bullet is arranged on the position on the brake block sliding pin between pin head and caliper shell right plate
Spring, pin head left end are equipped with sliding friction pad；
The motor is equipped with motor output shaft, and motor output shaft is equipped with driving gear；It is fixedly mounted on the camshaft
There are reduction gearing and cam, the driving gear to be engaged with reduction gearing, the reduction gearing band moving cam rotates；The cam
Between pin head and the right plate of braking pin boss；The brake disc disk body is located at fixed friction pad and sliding friction pad
Between.Reduction gearing and cam are fixed together by flat key and camshaft respectively, and reduction gearing passes through card with cam both sides
Spring is fixed.When electrical power is braked, motor has locked rotor characteristic, and the locking of on-position is realized by motor rotation blockage.
In a certain specific embodiment, for convenience of installing and fixing, it is located on the caliper shell left plate and fixes
Section above frame is equipped with boss, and the boss thickness is more than fixed frame thickness, and the one side of boss face side plate to the right is equipped with solid
Determine lining pad.It is located at the section below boss on the left plate of the caliper shell and is equipped with slide opening, fixed frame is equipped with connection
Hole, the slide opening and connection axially bored line centering, guide pin are fixedly connected across slide opening with connecting hole；The slide opening diameter is more than
Bore dia is connected, clearance fit between guide pin and slide opening connects between guide pin and connecting hole for the fixed of interference fit
It connects or is threadedly coupled.
In a certain specific embodiment, the cam can be elliptical flat-plate, in the operating condition, oval two long
Right plate of the arcwall face respectively with pin head and caliper shell corresponding to diameter abuts against, and brake block sliding pin is pushed to be moved to the left,
Caliper shell integrally moves right, and brake disc disk body is made to be locked between fixed friction pad and sliding friction pad；Braking solution
Except when, return spring drives brake block sliding pin to slide to the right, and band moving cam rotates to major diameter and corresponds to cambered surface and pin head and right side
Plate disengages, and so that fixed friction pad and movable lining pad is detached with brake disc, to release braking.
In a certain specific embodiment, the lower surface of the upper plate of the caliper shell be equipped with it is hollow connect hole, it is described convex
One end of wheel shaft is connected to this by two bearings and hollow connects inside hole.Right plate is equipped with the limiting plate for being parallel to upper plate,
Limit hole is set on limiting plate, motor output shaft passes through the limit hole, and the driving gear being set on motor output shaft is located at the limit
Between hole and upper plate, driving gear is engaged with the reduction gearing on camshaft.
Embodiment 2：
The present embodiment combination attached drawing provides a kind of detailed embodiment：
In conjunction with Fig. 1, in the accompanying drawings, the operation principle of display cam and return spring for clarity uses in attached drawing
Front view, sectional view, perspective view.Camshaft 4 is mounted on by two bearings 16 on caliper shell 1, since reduction gearing 12 is
It is connected firmly together by flat key 15 and camshaft 4, reduction gearing 12 is fixed with 13 both sides of cam by clamp spring 14, and cam 13 is also
It is connected firmly together by flat key 15 and camshaft 4, when vehicle needs braking, motor 7 is started to work, the drive on motor output shaft
Moving gear 11 drives reduction gearing 12 to rotate, to the rotation of driving cam 13, when cam 13 has just started to hold out against brake block sliding pin 6
When, the movable lining pad 3 being fixed on brake block sliding pin 6 starts to press to brake disc 8, while causing caliper shell 1 along solid
The guide pin 10 being scheduled on guide pin fixing bracket 9 is floated, and the fixed friction pad 2 being fixed on caliper shell 1 is also pressed
To brake disc 8 vehicle braking is realized to realize that both sides lining pad clamps brake disc 8 jointly, during braking, electricity
Machine 7 keeps stall, the on-position of locking mechanism to adjust motor rotation blockage torque according to different demand braking forces；When vehicle not
When needing braking, motor 7 powers off, and so that caliper shell is restored to free state, brake release by return spring 5.
Finally it should be noted that:Up, down, left, right, before and after described in present specification etc. indicates that the word in orientation is
In order to facilitate understanding and expressing, not to the restriction of technical solutions of the utility model, while above example is only to illustrate skill
Art scheme is rather than its limitations；Although being described in detail with reference to preferred embodiment, those of ordinary skill in the art
It should be understood that：It can still modify to specific implementation mode or equivalent replacement is carried out to some technical characteristics；Without de-
Spirit from scheme should all cover in the claimed technical proposal scope of this case.
Claims (9)
1. a kind of motorcar electric floating caliper type disc braking system, including fixed frame, guide pin, caliper shell, fixed friction pad,
Sliding friction pad, camshaft, return spring, brake block sliding pin, motor and brake disc,
The caliper shell is Jiong shape structure, including a upper plate and the left side opposite with the both direction that the upper plate is connected
The left plate of plate and right plate, the caliper shell is overlapped on fixed frame, guide pin pass through caliper shell left plate with
Fixed frame is fixedly connected, and inner surface of the left plate towards right side is equipped with fixed friction pad；
The right plate of the caliper shell is equipped with pin hole, and one end of the brake block sliding pin is equipped with pin head, brake block sliding pin
Across the right plate of caliper shell, pin head is located between the both side plate of caliper shell, and is located at pin on the brake block sliding pin
Return spring is arranged on position between head and caliper shell right plate, pin head left end is equipped with sliding friction pad；
The motor is equipped with motor output shaft, and motor output shaft is equipped with driving gear；
Reduction gearing and cam are installed on the camshaft, the driving gear is engaged with reduction gearing, the deceleration
Gear band moving cam rotates；The cam is located between pin head and the right plate for braking pin boss；
The brake disc disk body is between fixed friction pad and sliding friction pad.
2. a kind of motorcar electric floating caliper type disc braking system as described in claim 1, which is characterized in that the caliper shell is left
It is located at the section above fixed frame on side plate and is equipped with boss, the boss thickness is more than fixed frame thickness, boss face side plate to the right
One side be equipped with fixed friction pad.
3. a kind of motorcar electric floating caliper type disc braking system as claimed in claim 2, which is characterized in that the caliper shell
It is located at the section below boss on left plate and is equipped with slide opening, fixed frame is equipped with connecting hole, the slide opening and connection axially bored line pair
In, guide pin is fixedly connected across slide opening with connecting hole.
4. a kind of motorcar electric floating caliper type disc braking system as claimed in claim 3, which is characterized in that the slide opening diameter is big
In connection bore dia, clearance fit between guide pin and slide opening is the fixation of interference fit between guide pin and connecting hole
Connection is threadedly coupled.
5. a kind of motorcar electric floating caliper type disc braking system as described in claim 1, which is characterized in that the cam is ellipse
Shape plate, in the operating condition, arcwall face corresponding to the oval two major diameters right side with pin head and caliper shell respectively
Plate abuts against, and brake block sliding pin is pushed to be moved to the left, and caliper shell integrally moves right, and so that brake disc disk body is locked at fixation and rubs
It wipes between pad and sliding friction pad；When brake release, return spring drives brake block sliding pin to slide to the right, and band moving cam revolves
It goes to major diameter and corresponds to cambered surface and disengaged with pin head and right plate, make fixed friction pad and movable lining pad and brake disc
Separation, to release braking.
6. a kind of motorcar electric floating caliper type disc braking system as described in claim 1, which is characterized in that electrical power is braked
When, motor has locked rotor characteristic, and the locking of on-position is realized by motor rotation blockage.
7. a kind of motorcar electric floating caliper type disc braking system as described in claim 1, which is characterized in that the caliper shell
The lower surface of upper plate be equipped with it is hollow connect hole, one end of the camshaft is connected to this by two bearings and hollow connects in hole
Portion.
8. a kind of motorcar electric floating caliper type disc braking system as claimed in claim 7, which is characterized in that right plate is equipped with flat
Row is in setting limit hole on the limiting plate of upper plate, limiting plate, motor output shaft is across the limit hole, on motor output shaft
Driving gear is located between the limit hole and upper plate, and driving gear is engaged with the reduction gearing on camshaft.
9. a kind of motorcar electric floating caliper type disc braking system as described in claim 1, which is characterized in that the reduction gearing and
Cam is fixed together by flat key and camshaft respectively, and reduction gearing is fixed with cam both sides by clamp spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876543.5U CN207848256U (en) | 2017-12-28 | 2017-12-28 | Motorcar electric floating caliper type disc braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876543.5U CN207848256U (en) | 2017-12-28 | 2017-12-28 | Motorcar electric floating caliper type disc braking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207848256U true CN207848256U (en) | 2018-09-11 |
Family
ID=63419584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721876543.5U Active CN207848256U (en) | 2017-12-28 | 2017-12-28 | Motorcar electric floating caliper type disc braking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207848256U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751345A (en) * | 2019-02-28 | 2019-05-14 | 泉州市泉港区锋仕机械有限公司 | A kind of bracing wire push-down pressing device |
| CN111559355A (en) * | 2020-05-27 | 2020-08-21 | 云南夏远新能源发展有限责任公司 | New energy automobile stopper |
-
2017
- 2017-12-28 CN CN201721876543.5U patent/CN207848256U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109751345A (en) * | 2019-02-28 | 2019-05-14 | 泉州市泉港区锋仕机械有限公司 | A kind of bracing wire push-down pressing device |
| CN111559355A (en) * | 2020-05-27 | 2020-08-21 | 云南夏远新能源发展有限责任公司 | New energy automobile stopper |
| CN111559355B (en) * | 2020-05-27 | 2020-12-04 | 灵璧县浩翔信息科技有限公司 | New energy automobile stopper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 710200 Jingwei Industrial Park, economic development zone, Xi'an City, Shaanxi Province Patentee after: Shaanxi Automobile Group Co.,Ltd. Address before: No.39 Xingfu North Road, Xi'an, Shaanxi 710201 Patentee before: SHAANXI AUTOMOBILE GROUP Co.,Ltd. |
|
| CP03 | Change of name, title or address |