CN207351692U - A kind of self-action brake-pedal travel detection device - Google Patents
A kind of self-action brake-pedal travel detection device Download PDFInfo
- Publication number
- CN207351692U CN207351692U CN201721082093.2U CN201721082093U CN207351692U CN 207351692 U CN207351692 U CN 207351692U CN 201721082093 U CN201721082093 U CN 201721082093U CN 207351692 U CN207351692 U CN 207351692U
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- Prior art keywords
- brake
- pedal
- master cylinder
- self
- distance
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Braking Elements And Transmission Devices (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model discloses a kind of self-action brake-pedal travel detection device, including brake pedal, brake drum, the brake pedal bottom and rear portion are provided with distance-sensor, the brake pedal front upper part is provided with braking light switch, the brake pedal middle and upper part is connected with push rod by axis pin, vacuum booster is provided among the push rod, the vacuum booster rear portion is provided with master cylinder, the master cylinder is internally provided with the master cylinder piston of the push rod connection, the brake drum is installed on the wheel hub, wheel cylinder is provided with the brake drum, oil pipe is provided between the wheel cylinder and the master cylinder, two supporting pins are provided below in the wheel cylinder, brake-shoe is installed in the supporting pin, the braking heel is provided with brake block.Beneficial effect is：The free travel detection work of automobile brake pedal can be automatically performed, improves accuracy and the detection efficiency of detection.
Description
Technical field
Automobile detection apparatus technical field is the utility model is related to, is examined more particularly to a kind of self-action brake-pedal travel
Survey device.
Background technology
With the development of society, automobile more and more enters in the life of people, the quality of automobile brake is related to row
The security of car, the brake pedal of automobile are the primary operational devices for carrying out automobile brake, thus automobile dispatch from the factory before need to vapour
The free travel of the brake pedal of car is detected, and checks whether it is qualified.The China of Application No. 201420376724.1 is specially
Profit, discloses a kind of vehicle braking distance detection device, including is fixed in the fixing bracket of detection vehicle, the fixed branch
Mark bar, stroke electromagnet and power supply are fixed with frame；Described mark bar one end is rotatablely connected with the fixing bracket, the other end
The labelling head in road surface marking is connected with, the mark bar is more than mark from rotation axis to the length of one end of connection labelling head
Distance of the bar rotation axis to ground；The vehicle braking distance detection device further includes locking device, catapult-launching gear and pedal and opens
Close, the pedal switch is fixed on the upper surface of brake pedal, and the power supply is electrically connected with stroke electromagnet and pedal switch successively
Connect and form circuit；Described device further includes the ruler of measurement length.Above device needs to go by human eye during detecting
Identify measurement result, error easily occur, and check that detection data are also inconvenient, detection speed is slow.
Utility model content
The purpose of this utility model is that to solve the above-mentioned problems and provides a kind of self-action brake-pedal travel inspection
Survey device.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of self-action brake-pedal travel detection device and its adjustment method, including brake pedal, brake drum, the system
Dynamic pedal bottom and rear portion are provided with distance-sensor, and the brake pedal front upper part is provided with braking light switch, the braking
Pedal middle and upper part is connected with push rod by axis pin, and vacuum booster, the vacuum booster rear portion are provided among the push rod
Master cylinder is provided with, the master cylinder is internally provided with the master cylinder piston of the push rod connection, is provided with the wheel hub
The brake drum, is provided with wheel cylinder on the brake drum, oil is provided between the wheel cylinder and the master cylinder
Two supporting pins are provided below in pipe, the wheel cylinder, and brake-shoe, the braking heel peace are provided with the supporting pin
Equipped with brake block, Return spring is installed between two brake-shoes, is connected at the top of the brake-shoe with the wheel cylinder
Together, the brake drum lateral surface is provided with stroke detector, and the distance-sensor is connected with to be installed on by conducting wire and driven
Sail indoor controller.
In the present embodiment, display screen is provided with the controller, operation button is provided below in the display screen, described
Operation button side is provided with starting switch, and the operation button opposite side is provided with phonetic alarm.
In the present embodiment, the display screen is embedded on the controller, and the display screen is LED liquid crystal displays.
In the present embodiment, the distance-sensor carries out ranging, the accuracy rating of the distance-sensor by infrared ray
For grade.
In the present embodiment, the stroke detector is connected by data cable with the controller, the stroke detector
Face ground is set.
In the present embodiment, the gap between the brake block and the brake drum is 50-70mm.
In the present embodiment, the adjustment method of automobile brake pedal device for detecting distance of travel is as follows：
(1), the hydraulic circuit of brake system of car, control circuit are detected before starting detection, and the distance
Inductor and the stroke detector are installed on corresponding position；
(2), the starting switch is opened, the system of the controller starts carries out System self-test later, after the completion of self-test
By the operation button select start testing button, it is described display screen display described in brake pedal apart from car body it is initial away from
From；
(3), the pressure for applying 190N, 230N, 260N, 300N successively on the brake pedal causes the brake pedal
Position is reached the limit of, the distance-sensor is delivered to the brake pedal detected apart from the minimum distance of car body described
On display screen；
(4), start the automobile operation of repeat step (3) again later, detect the braking distance of automobile；
(5), whether the braking distance of controller brake pedal according to different Analysis of test results is suitable, and
Adjust the stroke of the brake pedal.
In the present embodiment, the foot-operated place of brake pedal is provided with pressure inductor described in the step (3).
In the present embodiment, in the step (5), in debugging process, by adjust the dirt-proof boot clip on the push rod come
Adjust the length of the push rod and then influence the free travel of the brake pedal.
In the present embodiment, in the step (5), the brake block and the brake drum are adjusted according to the braking distance of automobile
Between gap.
The beneficial effects of the utility model are：The free travel detection work of automobile brake pedal can be automatically performed,
Improve accuracy and the detection efficiency of detection.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of self-action brake-pedal travel detection device described in the utility model；
Fig. 2 is a kind of controller architecture schematic diagram of self-action brake-pedal travel detection device described in the utility model.
The reference numerals are as follows：
1st, controller；2nd, distance-sensor；3rd, brake pedal；4th, braking light switch；5th, vacuum booster pump；6th, stroke detection
Device；7th, push rod；8th, master cylinder piston；9th, master cylinder；10th, oil pipe；11st, wheel cylinder；12nd, brake block；13rd, brake-shoe；14th, prop up
Support pin；15th, Return spring；16th, brake drum；17th, display screen；18th, starting switch；19th, operation button；20th, phonetic alarm.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As Figure 1-Figure 2, a kind of self-action brake-pedal travel detection device and its adjustment method, including the braking
Pedal 3, the brake drum 16,3 bottom of brake pedal and rear portion are provided with the distance-sensor 2, the brake pedal 3
Front upper part is provided with the braking light switch 4, and 3 middle and upper part of brake pedal is connected with the push rod 7 by axis pin, described to push away
The vacuum booster 5 is provided among bar 7,5 rear portion of vacuum booster is provided with the master cylinder 9, the braking
Master cylinder 9 is internally provided with the master cylinder piston 8 that the push rod 7 connects, and the brake drum 16, the braking are provided with wheel hub
The wheel cylinder 11 is provided with drum 16, the oil pipe 10 is provided between the wheel cylinder 11 and the master cylinder 9,
Two supporting pins 14 are provided below in the wheel cylinder 11, and the brake-shoe 13, institute are provided with the supporting pin 14
State 13 rear portion of brake-shoe and the brake block 12 is installed, the Return spring 15, institute are installed between two brake-shoes 13
State the top of brake-shoe 13 to link together with the wheel cylinder 11,16 lateral surface of brake drum is provided with the stroke detection
Device 6, the distance-sensor 2 are connected with installed in the indoor controller 1 of driving by conducting wire.
In the present embodiment, the display screen 17 is provided with the controller 1, the display screen 17 is provided below described
Operation button 19,19 side of operation button are provided with the starting switch 18, and 19 opposite side of operation button is provided with
The phonetic alarm 20.
In the present embodiment, the display screen 17 is embedded on the controller 1, and the display screen 17 is LED liquid crystal displays.
In the present embodiment, the distance-sensor 2 carries out ranging, the precision model of the distance-sensor 2 by infrared ray
Enclose for grade.
In the present embodiment, the stroke detector 6 is connected by data cable with the controller 1, the stroke detection
6 face ground of device is set.
In the present embodiment, the gap between the brake block 12 and the brake drum 16 is 50-70mm.
In the present embodiment, the adjustment method of automobile brake pedal device for detecting distance of travel is as follows：
(1), the hydraulic circuit of brake system of car, control circuit are detected before starting detection, and the distance
Inductor 2 and the stroke detector 6 are installed on corresponding position；
(2), the starting switch 18 is opened, the system of the controller 1 starts carries out System self-test later, and self-test is completed
Select to start testing button by the operation button 19 afterwards, show the brake pedal 3 apart from car body on the display screen 17
Initial distance；
(3), the pressure of 190N, 230N, 260N, 300N are applied successively on the brake pedal 3 so that the braking is stepped on
Plate 3 reaches the limit of position, minimum distance transmission of the brake pedal 3 that the distance-sensor 2 detects apart from car body
Onto the display screen 17；
(4), start the automobile operation of repeat step (3) again later, detect the braking distance of automobile；
(5), whether the braking distance of the brake pedal 3 according to different Analysis of test results of controller 1 is suitable,
And adjust the stroke of the brake pedal 3.
In the present embodiment, the foot-operated place of brake pedal 3 is provided with pressure inductor described in the step (3).
In the present embodiment, in the step (5), in debugging process, by adjust the dirt-proof boot clip on the push rod 7 come
Adjust the length of the push rod 7 and then influence the free travel of the brake pedal 3.
In the present embodiment, in the step (5), the brake block 12 and the braking are adjusted according to the braking distance of automobile
Gap between drum 16.
The basic principle, main feature and advantage of the utility model has been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
Defined by appending claims and equivalents.
Claims (4)
- A kind of 1. self-action brake-pedal travel detection device, it is characterised in that：Including brake pedal, brake drum, the braking Pedal bottom and rear portion are provided with distance-sensor, and the brake pedal front upper part is provided with braking light switch, and the braking is stepped on Plate middle and upper part is connected with push rod by axis pin, and vacuum booster is provided among the push rod, and the vacuum booster rear portion is set Master cylinder is equipped with, the master cylinder is internally provided with the master cylinder piston of the push rod connection, is installed on the wheel hub Brake drum is stated, wheel cylinder is provided with the brake drum, oil pipe is provided between the wheel cylinder and the master cylinder, Two supporting pins are provided below in the wheel cylinder, and brake-shoe, the braking heel installation are provided with the supporting pin There is brake block, Return spring is installed between two brake-shoes, is connected at the top of the brake-shoe with the wheel cylinder Together, the brake drum lateral surface is provided with stroke detector, and the distance-sensor is connected with installed in driving by conducting wire Indoor controller.
- A kind of 2. self-action brake-pedal travel detection device according to claim 1, it is characterised in that：The controller On be provided with display screen, operation button is provided below in the display screen, and the operation button side is provided with starting switch, institute State operation button opposite side and be provided with phonetic alarm, the display screen is embedded on the controller, and the display screen is LED Liquid crystal display.
- A kind of 3. self-action brake-pedal travel detection device according to claim 1, it is characterised in that：The distance perspective Device is answered to carry out ranging by infrared ray, the accuracy rating of the distance-sensor is grade, and the stroke detector passes through number It is connected according to line with the controller, the stroke detector face ground is set.
- A kind of 4. self-action brake-pedal travel detection device according to claim 1, it is characterised in that：The brake block Gap between the brake drum is 50-70mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721082093.2U CN207351692U (en) | 2017-08-28 | 2017-08-28 | A kind of self-action brake-pedal travel detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721082093.2U CN207351692U (en) | 2017-08-28 | 2017-08-28 | A kind of self-action brake-pedal travel detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207351692U true CN207351692U (en) | 2018-05-11 |
Family
ID=62412924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721082093.2U Expired - Fee Related CN207351692U (en) | 2017-08-28 | 2017-08-28 | A kind of self-action brake-pedal travel detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207351692U (en) |
-
2017
- 2017-08-28 CN CN201721082093.2U patent/CN207351692U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20210828 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |