CN208101965U - A kind of electronic brake assembly - Google Patents
A kind of electronic brake assembly Download PDFInfo
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- CN208101965U CN208101965U CN201820553600.4U CN201820553600U CN208101965U CN 208101965 U CN208101965 U CN 208101965U CN 201820553600 U CN201820553600 U CN 201820553600U CN 208101965 U CN208101965 U CN 208101965U
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Abstract
The utility model relates to a kind of electronic brake assemblies comprising brake drum, brake-shoe, friction plate and electronic brake device, the brake-shoe are symmetrical set on brake backing plate, and the friction plate is set between the brake-shoe and brake drum；The corresponding one end of two brake-shoes is service brake force side, the service brake force side is equipped with the hydraulic shunt pump by service braking device hydraulic-driven, hydraulic shunt pump both ends piston is connected with the service brake force side of two brake-shoes respectively, is connected with reset tension spring one between the service brake force side of two brake-shoes in left and right；The corresponding other end of two brake-shoes is parking braking force side, and the electronic brake device is set between the parking braking force side of two brake-shoes.
Description
Technical field
The utility model relates to a kind of electronic brake assemblies, particularly belong to automobile brake technical field.
Background technique
Currently, automobile parking drum brake system is brake handle, drag-line, brakes the manual parking system that torque arm is formed by connecting
Dynamic device pulls drag-line that brake-shoe is made to open to generate braking by pull rod.Such brake cable is too long or bending is more
Reaction is slow when Shi Zaocheng is braked, and resistance is big when return, and bracing wire material is flexible axle, and deformation is also easy to produce in stress, makes vehicle parking
Energy is bad or parking brake pulls stroke excessive；In parking in the slope surface of wide-angle, operation is laborious, and parking is relatively difficult, passes through simultaneously
It often is difficult to obtain sufficiently large brake force to ensure the reliable parking of automobile, there are security risks；Manual parking brake handle has
Biggish operating mechanism occupies biggish interior space；In addition, forgetting to leave due to pulling the hand brake after driver's parking, forgetting
It is commonplace to unclamp the case where parking brake drives vehicle driving, causes automobile impaired.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of operation is convenient laborsaving, parking reliable electronics in time
Brake assembly.
To solve the above problems, technical solution adopted in the utility model is：
A kind of electronic brake assembly comprising brake drum, brake-shoe, friction plate and electronic brake device, it is described
Brake-shoe is symmetrical set on brake backing plate, and the friction plate is set between the brake-shoe and brake drum；Two institutes
Stating the corresponding one end of brake-shoe is service brake force side, and the service brake force side is equipped with hydraulic by service braking device
The hydraulic shunt pump of driving, hydraulic shunt pump both ends piston are connected with the service brake force side of two brake-shoes respectively,
Reset tension spring one is connected between the service brake force side of two brake-shoes in left and right；Two brake-shoes are corresponding
The other end is parking braking force side, and the electronic brake device is set to the parking braking force side of two brake-shoes
Between；
The electronic brake device includes screw rod, is fixedly arranged in the middle part of the screw rod and the worm gear of screw coaxial and institute
State the worm screw and actuating motor that worm gear matches, the screw thread on the screw rod is oppositely oriented in worm gear two sides, screw thread it is left-handed one
Side is left-handed screw, and the side of screw thread dextrorotation is right handed screw；The left-handed screw is equipped with left-handed long nut, the dextrorotation spiral shell
Bar is equipped with the long nut of dextrorotation, and the left-handed long nut outer end is connected with left pillar, and the long nut outer end of dextrorotation is connected with the right side
Pillar, the left pillar and right pillar are connected with the parking braking force side of two brake-shoes in left and right respectively；The worm gear
It is connected in the shaft of actuating motor.
The screw rod is set to brake by being located at the support base of worm gear two sides as a further improvement of the utility model,
On bottom plate.
It is connected between the parking braking force side of two brake-shoes in left and right as a further improvement of the utility model,
There is reset tension spring two.
The actuating motor is connected with electric control element as a further improvement of the utility model, and the actuating motor is logical
Forward and reverse rotation can be realized by crossing electric control element.
Dust cover is equipped with outside the electronic brake device as a further improvement of the utility model,.
The electronic brake device is installed on brake backing plate as a further improvement of the utility model,.
Generated beneficial effect is by adopting the above technical scheme：
A kind of electronic brake assembly provided by the utility model, electronic brake device pass through shaft and worm gear snail
The torsion of actuating motor is converted to the movement of worm gear by linkage, obtains big torque, since worm gear and screw rod are fixed together,
Therefore worm gear drives screw rod rotation, due to screw rod left and right side thread rotary orientation on the contrary, therefore left-handed long nut and dextrorotation on screw rod
Long nut outwardly and inwardly moves simultaneously, stays so that two brake-shoes be pushed to overlay generation together with brake drum by friction plate
Vehicle braking effect, torque conversion is reliable, since using actuating motor torsion, as parking brake force, torque output is stablized in time,
And rigidity is big, will not vary with each individual, deviation occurs；It is capable of providing the enough brake force for guaranteeing vehicle parking safety, Ke Yitong
The size for crossing adjustment actuating motor electric current adjustment parking brake force, so that the smooth starting of vehicle is realized, due to eliminating parking system
Fixed handle instead a stopping brake electronic button, driver need not arduously draw fixed handle, simple laborsaving；It
With operating convenient laborsaving, the features such as parking is reliable in time.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model：
Fig. 2 is the structural schematic diagram of the utility model electronic brake device：
Wherein：1 brake drum, 2 brake-shoes, 3 friction plates, 4 brake backing plates, 5 hydraulic shunt pumps, 6 pistons, 7 reset tension springs one,
8 reset tension springs two, 91 left-handed screws, 92 right handed screws, 101 left-handed long nuts, the long nut of 102 dextrorotation, 111 left pillars, 112 right sides
Pillar, 12 worm screws, 13 worm gears, 14 actuating motors, 15 shafts, 16 electric control elements, 17 support bases.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, in the following with reference to the drawings and specific embodiments
Clear, complete description is carried out to utility model.
A kind of electronic brake assembly as shown in Figs. 1-2 comprising brake drum 1, brake-shoe 2, friction plate 3 and electronics are stayed
Vehicle brake apparatus, the brake-shoe 2 are symmetrical set on brake backing plate 4, and the friction plate 3 is set to the brake-shoe 2
Between brake drum 1；Two corresponding one end of the brake-shoe 2 are service brake force side, the service brake force side
Equipped with the hydraulic shunt pump 5 by service braking device hydraulic-driven, the 5 both ends piston 6 of hydraulic shunt pump respectively with two systems
The service brake force side of dynamic hoof 2 is connected, and is connected with reset between the service brake force side of two brake-shoes 2 in left and right and draws
Spring 1；Two corresponding other ends of the brake-shoe 2 are parking braking force side, and the electronic brake device is set to
Between the parking braking force side of two brake-shoes 2.
When the hydraulic shunt pump 5 is by service braking device hydraulic-driven, when the piston 6 at both ends stretches out, left and right is pushed respectively
The service brake force side of two brake-shoes 2 opens two brake-shoes 2 to two sides with respective other end fulcrum,
To make two brake-shoes 2 overlay generation service brake effect together by friction plate 3 and the brake drum 1.It resets
Spring 1 can make the service brake force side of two brake-shoes 2 be fitted tightly over 6 both ends of piston of the hydraulic shunt pump 5.
The electronic brake device include screw rod, be fixedly arranged in the middle part of the screw rod with the worm gear 13 of screw coaxial, with
The worm screw 12 and actuating motor 14 that the worm gear 13 matches, the screw thread on the screw rod is oppositely oriented in 13 two sides of worm gear, spiral shell
The left-handed side of line is left-handed screw 91, and the side of screw thread dextrorotation is right handed screw 92；The left-handed screw 91 is equipped with left-handed
Long nut 101, the right handed screw 92 are equipped with the long nut 102 of dextrorotation, and left-handed long 101 outer end of nut is connected with left pillar
111, long 102 outer end of nut of dextrorotation is connected with right pillar 112, the left pillar 111 and right pillar 112 respectively with left and right two
The parking braking force side of a brake-shoe 2 is connected；The worm gear is connected in the shaft 15 of actuating motor 14；The screw rod
Support base 17 by being located at 13 two sides of worm gear is set on brake backing plate 4；The parking braking of two brake-shoes 2 in left and right is applied
Reset tension spring 28 is connected between power end；The actuating motor 14 is connected with electric control element 16, and the electric control element 14 is
AT89C51 single-chip microcontroller is connected with electronic button in driver's cabin, can realize actuating motor 14 by electronic button control single chip computer
It rotates forward, rotate backward and stops operating.
The torsion of actuating motor 14 is converted to by the electronic brake device by shaft 15 and worm gear mechanism
The movement of worm gear 13 obtains big torque, and since worm gear 13 and screw rod are fixed together, therefore worm gear 13 drives screw rod rotation, by
In screw rod left and right side thread rotary orientation on the contrary, therefore the left-handed long nut 101 on screw rod and the long nut of dextrorotation 102 simultaneously outward and
Inwardly movement, so that two brake-shoes 2 be pushed to overlay generation parking braking effect together, power by friction plate 3 and brake drum 1
Square conversion is reliable, since using 14 torsion of actuating motor, as parking brake force, torque output is stablized in time, and rigidity is big, no
It can vary with each individual, deviation occur；It is capable of providing the enough brake force for guaranteeing vehicle parking safety, it can be by adjusting executing electricity
14 electric current of machine adjusts the size of parking brake force, to realize the smooth starting of vehicle, due to eliminating parking brake handle grip, take and
Instead of be a stopping brake electronic button, driver need not arduously draw fixed handle, simple laborsaving；It has operation convenient
It is laborsaving, the features such as parking is reliable in time.The actuating motor 14 can realize that forward and reverse rotates by electric control element 16, can be real
The releasing of existing parking braking.The parking braking force side and left pillar 111 and the right side of brake-shoe 2 can be realized by reset tension spring 28
Pillar 112 fits closely together.
The electronic brake device is installed on brake backing plate 4, is equipped with outside the electronic brake device
Dust cover guarantees the clean environment and works fine of electronic brake device.
Finally it should be noted that：Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that：
It can still modify to technical solution documented by previous embodiment, or be equal to part of technical characteristic
Replacement；And these are modified or replaceed, the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (6)
1. a kind of electronic brake assembly, which is characterized in that it includes brake drum（1）, brake-shoe（2）, friction plate（3）And electronics
Holding brake device, the brake-shoe（2）It is symmetrical set in brake backing plate（4）On, the friction plate（3）Set on described
Brake-shoe（2）With brake drum（1）Between；Two brake-shoes（2）Corresponding one end is service brake force side, the row
Vehicle brakes force side equipped with the hydraulic shunt pump by service braking device hydraulic-driven（5）, the hydraulic shunt pump（5）Both ends piston
（6）Respectively with two brake-shoes（2）Service brake force side be connected, left and right two brake-shoes（2）Driving system
Reset tension spring one is connected between dynamic force side（7）；Two brake-shoes（2）The corresponding other end is parking braking force
End, the electronic brake device are set to two brake-shoes（2）Parking braking force side between；
The electronic brake device includes screw rod, the worm gear for being fixedly arranged on the screw rod middle part and screw coaxial（13）With institute
State worm gear（13）The worm screw to match（12）And actuating motor（14）, the screw thread on the screw rod is in worm gear（13）Two sides rotation direction phase
Instead, the left-handed side of screw thread is left-handed screw（91）, the side of screw thread dextrorotation is right handed screw（92）；The left-handed screw（91）
It is equipped with left-handed long nut（101）, the right handed screw（92）It is equipped with the long nut of dextrorotation（102）, the left-handed long nut
（101）Outer end is connected with left pillar（111）, the long nut of dextrorotation（102）Outer end is connected with right pillar（112）, the left branch
Column（111）With right pillar（112）Respectively with left and right two brake-shoes（2）Parking braking force side be connected；The worm gear
It is connected to actuating motor（14）Shaft（15）On.
2. a kind of electronic brake assembly according to claim 1, which is characterized in that the screw rod is by being located at worm gear
（13）The support base of two sides（17）Set on brake backing plate（4）On.
3. a kind of electronic brake assembly according to claim 1, which is characterized in that two brake-shoes in left and right（2）
Parking braking force side between be connected with reset tension spring two（8）.
4. a kind of electronic brake assembly according to claim 1, which is characterized in that the actuating motor（14）With it is automatically controlled
Element（16）It is connected, the actuating motor（14）Pass through electric control element（16）Forward and reverse rotation can be achieved.
5. a kind of electronic brake assembly according to claim 1, which is characterized in that outside the electronic brake device
Portion is equipped with dust cover.
6. a kind of electronic brake assembly according to claim 1, which is characterized in that the electronic brake device is solid
It is located at brake backing plate（4）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820553600.4U CN208101965U (en) | 2018-04-18 | 2018-04-18 | A kind of electronic brake assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820553600.4U CN208101965U (en) | 2018-04-18 | 2018-04-18 | A kind of electronic brake assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208101965U true CN208101965U (en) | 2018-11-16 |
Family
ID=64119017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820553600.4U Active CN208101965U (en) | 2018-04-18 | 2018-04-18 | A kind of electronic brake assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208101965U (en) |
-
2018
- 2018-04-18 CN CN201820553600.4U patent/CN208101965U/en active Active
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