CN203611970U - Automobile parking brake device and automobile - Google Patents
Automobile parking brake device and automobile Download PDFInfo
- Publication number
- CN203611970U CN203611970U CN201320705523.7U CN201320705523U CN203611970U CN 203611970 U CN203611970 U CN 203611970U CN 201320705523 U CN201320705523 U CN 201320705523U CN 203611970 U CN203611970 U CN 203611970U
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- compressed air
- brake cylinder
- valve
- electromagnetic valve
- automobile
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- 238000004146 energy storage Methods 0.000 abstract 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 230000007547 defect Effects 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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Abstract
The utility model discloses an automobile parking brake device and an automobile. The automobile parking brake device comprises an air source device, a brake chamber, an electromagnetic valve and an electric control switch; the brake chamber is provided with a diaphragm and an energy storage spring, and the diaphragm can move between a braking position and a non-braking position; the electromagnetic valve is connected with the air source device and the brake chamber, when the electromagnetic valve is open, the high-pressure air in the air source device is allowed to enter the brake chamber to overcome the elastic force of the energy storage spring, and the diaphragm is driven to move from the braking position to the non-braking position; the electromagnetic valve is controlled by the electric control switch to open or close, and the electric control switch is mounted in a cab. The automobile parking brake device is structurally simple and is convenient to use, a driver can brake an automobile or release the brake as long as the electric control switch in the cab is pressed, the labor intensity of the driver is effectively decreased, and the working efficiency of the driver is increased.
Description
Technical field
The utility model relates to automobile technical field, particularly relates to a kind of automobile parking braking device and automobile.
Background technology
In the prior art, the hand brake valve that gas braking passenger vehicle is used is mechanical operation switch, needs chaufeur firmly to pull manipulation handle when use, can realize automobile brake or brake off.
Fig. 1 is the schematic diagram of automobile parking braking device of the prior art, and gas enters compressed air brake cylinder 7 by air dryer 2, four-loop protection valve 3, air receiver 4, hand brake valve 5, rapid release valve 6 by inflation pump 1 successively along the direction of arrow.Realize braking during standstill or remove braking during standstill by chaufeur pull-up or closed hand brake valve 5.When after pull-up hand brake valve 5, gas in compressed air brake cylinder 7 enters atmosphere by the exhausr port of rapid release valve 6, make diaphragm 71 move to braking position by the elastic force of energy stroage spring 72 and realize automobile brake, when after closed hand brake valve 5, gas enters compressed air brake cylinder 7 along route shown in arrow in figure, makes diaphragm 71 move to non-braking position remove automobile brake by gaseous tension stretching energy stroage spring 72.Above-mentioned automobile parking braking device needs chaufeur firmly to pull manipulation handle, can realize automobile brake or brake off, and chaufeur labour intensity is larger, and efficiency is lower.
Therefore, wish a kind of automobile parking braking device and can overcome or at least alleviate the above-mentioned defect of prior art.
Utility model content
The purpose of this utility model is to provide a kind of automobile parking braking device to overcome or at least alleviate the above-mentioned defect of prior art.
For achieving the above object, the utility model provides a kind of automobile parking braking device.Described automobile parking braking device comprises: compressed air source unit; Compressed air brake cylinder, it has diaphragm and energy stroage spring, and described diaphragm can move between braking position and non-braking position, and described energy stroage spring remains on described braking position with elastic force by described diaphragm; Electromagnetic valve, it connects described compressed air source unit and described compressed air brake cylinder, in the time of solenoid valve conduction, allows the high pressure gas in described compressed air source unit to enter described compressed air brake cylinder, overcome the elastic force of described energy stroage spring, described diaphragm is urged to described non-braking position from described braking position; And electric-controlled switch, described electromagnetic valve is conducting or disconnection under the control of described electric-controlled switch, and described electric-controlled switch is arranged on operator's compartment.
Preferably, described compressed air source unit comprises inflation pump, air dryer and air receiver, described inflation pump is communicated with the inlet end of described air dryer by pipeline, the outlet side of described air dryer is communicated with the inlet end of described air receiver by pipeline, and described electromagnetic valve is connected between the outlet side and described compressed air brake cylinder of described air receiver.
Preferably, between described air dryer and described air receiver, further comprise four-loop protection valve.
Preferably, described electric-controlled switch is arranged on the gauge panel place of operator's compartment.
Preferably, it further comprises hand brake valve, described hand brake valve is connected between described electromagnetic valve and described compressed air brake cylinder, when the conducting simultaneously of described hand brake valve and described electromagnetic valve, high pressure gas in described compressed air source unit enter described compressed air brake cylinder, overcome the elastic force of described energy stroage spring, described diaphragm is urged to described non-braking position from described braking position.
Preferably, it further comprises rapid release valve, described rapid release valve has admission port, air extractor duct and exhausr port, described admission port is communicated with described electromagnetic valve, described air extractor duct is communicated with described compressed air brake cylinder, described exhausr port is communicated with atmosphere, and when described electromagnetic valve and/or described hand brake valve disconnect, the high pressure gas in described compressed air brake cylinder enter atmosphere by described exhausr port.
Preferably, it further comprises hand brake valve, described hand brake valve is connected between described compressed air source unit and described electromagnetic valve, when the conducting simultaneously of described hand brake valve and described electromagnetic valve, high pressure gas in described compressed air source unit enter described compressed air brake cylinder, overcome the elastic force of described energy stroage spring, described diaphragm is urged to described non-braking position from described braking position.
Preferably, it further comprises rapid release valve, described rapid release valve has admission port, air extractor duct and exhausr port, described admission port is communicated with described electromagnetic valve, described air extractor duct is communicated with described compressed air brake cylinder, described exhausr port is communicated with atmosphere, and when described electromagnetic valve and/or described hand brake valve disconnect, the high pressure gas in described compressed air brake cylinder enter atmosphere by described exhausr port.
Preferably, described compressed air brake cylinder comprises the first compressed air brake cylinder and the second compressed air brake cylinder, described the first compressed air brake cylinder is for the braking of the first trailing wheel of automobile, described the second compressed air brake cylinder is for the braking of the second trailing wheel of automobile, the air extractor duct of described rapid release valve comprises the first air extractor duct and the second air extractor duct, described the first air extractor duct is communicated with described the first compressed air brake cylinder, and described the second air extractor duct is communicated with described the second compressed air brake cylinder.
The utility model provides a kind of automobile, and described automobile comprises above-mentioned automobile parking braking device, and described automobile is gas braking passenger vehicle.
Said apparatus is simple in structure, easy to use, and chaufeur only need be pressed the electric-controlled switch of operator's compartment can realize automobile brake or braking releasing, effectively reduces the labour intensity of chaufeur, improves the work efficiency of chaufeur.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of automobile parking braking device of the prior art.
Fig. 2 is according to the schematic diagram of the automobile parking braking device of the utility model one embodiment.
Fig. 3 is the schematic diagram of the control circuit of the electromagnetic valve of the device of automobile parking braking shown in Fig. 2.
Fig. 4 is the diagram of circuit of the device of automobile parking braking shown in Fig. 2.
Reference numeral:
| 1 | |
8 | |
| 2 | |
9 | |
| 3 | Four- |
10 | Electric-controlled |
| 4 | |
71 | |
| 5 | |
72 | |
| 6 | Rapid release valve | ? | ? |
| 7 | Compressed air brake cylinder | ? | ? |
The specific embodiment
For object, technical scheme and advantage that the utility model is implemented are clearer, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is further described in more detail.In the accompanying drawings, same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, rather than whole embodiment.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as the restriction to the utility model protection domain.
Fig. 2 is according to the schematic diagram of the automobile parking braking device of the utility model one embodiment.Fig. 3 is the schematic diagram of the control circuit of the electromagnetic valve of the device of automobile parking braking shown in Fig. 2.Fig. 4 is the diagram of circuit of the device of automobile parking braking shown in Fig. 2.
The device of automobile parking braking shown in Fig. 2 comprises compressed air source unit, hand brake valve 5, electromagnetic valve 8, rapid release valve 6 and compressed air brake cylinder 7.
Described compressed air source unit comprises inflation pump 1, air dryer 2 and air receiver 4, inflation pump 1 is communicated with the inlet end of air dryer 2 by pipeline, the outlet side of air dryer 2 is communicated with the inlet end of air receiver 4 by pipeline, and the outlet side of air receiver 4 is communicated with hand control valve 5.Wherein, air dryer 2, for dry gas, stores a certain amount of gas in air receiver 4, makes the dry gas of output of described compressed air source unit steady and continuous.
Advantageously, between air dryer 2 and air receiver 4, further comprise four-loop protection valve 3.Four-loop protection valve 3 is divided into four by the gas circuit of described automobile parking braking device and had not only connected each other but also separate loop; when any one loop et out of order (as disconnected, leak) time; do not affect normal work and the inflation in other loop, improve the reliability of described automobile parking braking device.
Compressed air brake cylinder 7 has diaphragm 71 and energy stroage spring 72, and diaphragm 71 can move between braking position and non-braking position, and energy stroage spring 72 remains on braking position with elastic force by diaphragm 71.
Referring to Fig. 2, one end of hand brake valve 5 is communicated with air receiver 4, and the other end is communicated with electromagnetic valve 8.
One end of electromagnetic valve 8 is communicated with hand brake valve 5, and the other end is communicated with rapid release valve 6.In the time of hand brake valve 5 and electromagnetic valve 8 conducting simultaneously, the high pressure gas in described compressed air source unit enter compressed air brake cylinder 7, overcome the elastic force of energy stroage spring 72, and diaphragm 71 is urged to described non-braking position from described braking position.In the time that hand brake valve 5 and/or electromagnetic valve 8 disconnect, the gas in compressed air brake cylinder 7 enters atmosphere, and the elastic force of energy stroage spring 72 is urged to described braking position by diaphragm 71 from described non-braking position.It is pointed out that, in embodiment shown in the figure, the braking position of diaphragm 71 is in the left side of the non-braking position of diaphragm 71.
But hand brake valve 5 is not limited to one end and is communicated with air receiver 4, the other end is communicated with electromagnetic valve 8, also can be communicated with described electromagnetic valve one end, and the other end is communicated with described compressed air brake cylinder.Be understandable that, hand brake valve 5 and electromagnetic valve 8 are two-port valve.
Electric-controlled switch 10 is controlled conducting or the disconnection of electromagnetic valve 8, and electric-controlled switch 10 is arranged on operator's compartment.Be preferably the gauge panel place that is arranged on operator's compartment, be convenient to the manipulation of chaufeur.
In the illustrated embodiment, electromagnetic valve 8 is for a long time in conducting state, therefore electromagnetic valve 8 is preferably normal-open electromagnetic valve.
Referring to Fig. 2, rapid release valve 6 is between electromagnetic valve 8 and compressed air brake cylinder 7, and rapid release valve 6 has admission port, air extractor duct and exhausr port.Described admission port is communicated with electromagnetic valve 8, described air extractor duct is communicated with compressed air brake cylinder 7, and described exhausr port is communicated with atmosphere, in the time that electromagnetic valve 8 and/or hand brake valve 5 disconnect, high pressure gas in compressed air brake cylinder 7 enter atmosphere by described exhausr port, and diaphragm 71 moves to described braking position.Rapid release valve 6 can be realized the Rapid degassing of compressed air brake cylinder 7, avoids using electromagnetic valve 8 air extractor duct being communicated with atmosphere that the have venting phenomenon slowly causing of exitting, and effectively improves the operating efficiency of holding brake device.
Advantageously, compressed air brake cylinder 7 comprises the first compressed air brake cylinder and the second compressed air brake cylinder, described the first compressed air brake cylinder is for the braking of the first trailing wheel of automobile, described the second compressed air brake cylinder is for the braking of the second trailing wheel of automobile, the air extractor duct of rapid release valve 6 comprises the first air extractor duct and the second air extractor duct, described the first air extractor duct is communicated with described the first compressed air brake cylinder, and described the second air extractor duct is communicated with described the second compressed air brake cylinder.Described the first air extractor duct and described the second air extractor duct synchronized operation, make diaphragm in described the first compressed air brake cylinder and described the second compressed air brake cylinder simultaneously in described braking position or simultaneously in described non-braking position.
In the holding brake device of the embodiment of the utility model one shown in Fig. 2, there is electromagnetic valve 8 and the hand brake valve 5 of series connection, can be by not having valve in bad order to realize the braking during standstill of vehicle in the time that electromagnetic valve 8 or hand brake valve 5 break down yet, effectively improve the reliability of automobile parking braking device, and the safety that improves automobile.
Above-mentioned automobile parking braking device can be applicable to the higher long-distance bus of gas braking passenger vehicle, especially safety requirements.
Above-mentioned automobile parking braking device can reduce the labour intensity of chaufeur, and improve the work efficiency of chaufeur, chaufeur only need be pressed the electric-controlled switch that is positioned at bridge instrumentation Pan Chu gently can realize braking during standstill or brake off, and, the in the situation that of hand brake valve or electromagnetic valve inefficacy, can use the valve of the normal work of another one to realize braking during standstill, improve the reliability of automobile parking braking device.
Finally it is to be noted: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit.Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the each embodiment technical scheme of the utility model.
Claims (10)
1. an automobile parking braking device, is characterized in that, comprising:
Compressed air source unit;
Compressed air brake cylinder, it has diaphragm and energy stroage spring, and described diaphragm can move between braking position and non-braking position, and described energy stroage spring remains on described braking position with elastic force by described diaphragm;
Electromagnetic valve, it connects described compressed air source unit and described compressed air brake cylinder, in the time of solenoid valve conduction, allows the high pressure gas in described compressed air source unit to enter described compressed air brake cylinder, overcome the elastic force of described energy stroage spring, described diaphragm is urged to described non-braking position from described braking position; And
Electric-controlled switch, described electromagnetic valve is conducting or disconnection under the control of described electric-controlled switch, and described electric-controlled switch is arranged on operator's compartment.
2. automobile parking braking device as claimed in claim 1, it is characterized in that, described compressed air source unit comprises inflation pump, air dryer and air receiver, described inflation pump is communicated with the inlet end of described air dryer by pipeline, the outlet side of described air dryer is communicated with the inlet end of described air receiver by pipeline, and described electromagnetic valve is connected between the outlet side and described compressed air brake cylinder of described air receiver.
3. automobile parking braking device as claimed in claim 2, is characterized in that, between described air dryer and described air receiver, further comprises four-loop protection valve.
4. automobile parking braking device as claimed in claim 1, is characterized in that, described electric-controlled switch is arranged on the gauge panel place of operator's compartment.
5. the automobile parking braking device as described in any one in claim 1-4, it is characterized in that, it further comprises hand brake valve, described hand brake valve is connected between described electromagnetic valve and described compressed air brake cylinder, when the conducting simultaneously of described hand brake valve and described electromagnetic valve, high pressure gas in described compressed air source unit enter described compressed air brake cylinder, overcome the elastic force of described energy stroage spring, and described diaphragm is urged to described non-braking position from described braking position.
6. automobile parking braking device as claimed in claim 5, it is characterized in that, it further comprises rapid release valve, described rapid release valve has admission port, air extractor duct and exhausr port, described admission port is communicated with described electromagnetic valve, and described air extractor duct is communicated with described compressed air brake cylinder, and described exhausr port is communicated with atmosphere, when described electromagnetic valve and/or described hand brake valve disconnect, the high pressure gas in described compressed air brake cylinder enter atmosphere by described exhausr port.
7. the automobile parking braking device as described in any one in claim 1-4, it is characterized in that, it further comprises hand brake valve, described hand brake valve is connected between described compressed air source unit and described electromagnetic valve, when the conducting simultaneously of described hand brake valve and described electromagnetic valve, high pressure gas in described compressed air source unit enter described compressed air brake cylinder, overcome the elastic force of described energy stroage spring, and described diaphragm is urged to described non-braking position from described braking position.
8. automobile parking braking device as claimed in claim 7, it is characterized in that, it further comprises rapid release valve, described rapid release valve has admission port, air extractor duct and exhausr port, described admission port is communicated with described electromagnetic valve, and described air extractor duct is communicated with described compressed air brake cylinder, and described exhausr port is communicated with atmosphere, when described electromagnetic valve and/or described hand brake valve disconnect, the high pressure gas in described compressed air brake cylinder enter atmosphere by described exhausr port.
9. the automobile parking braking device as described in claim 6 or 8, it is characterized in that, described compressed air brake cylinder comprises the first compressed air brake cylinder and the second compressed air brake cylinder, described the first compressed air brake cylinder is for the braking of the first trailing wheel of automobile, described the second compressed air brake cylinder is for the braking of the second trailing wheel of automobile, the air extractor duct of described rapid release valve comprises the first air extractor duct and the second air extractor duct, and described the first air extractor duct is communicated with described the first compressed air brake cylinder, and described the second air extractor duct is communicated with described the second compressed air brake cylinder.
10. an automobile, is characterized in that, comprises automobile parking braking device as claimed in any one of claims 1-9 wherein, and described automobile is gas braking passenger vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320705523.7U CN203611970U (en) | 2013-11-08 | 2013-11-08 | Automobile parking brake device and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320705523.7U CN203611970U (en) | 2013-11-08 | 2013-11-08 | Automobile parking brake device and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203611970U true CN203611970U (en) | 2014-05-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320705523.7U Expired - Lifetime CN203611970U (en) | 2013-11-08 | 2013-11-08 | Automobile parking brake device and automobile |
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| Country | Link |
|---|---|
| CN (1) | CN203611970U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109955852A (en) * | 2017-12-25 | 2019-07-02 | 郑州宇通客车股份有限公司 | Stopping brake control method and its system |
-
2013
- 2013-11-08 CN CN201320705523.7U patent/CN203611970U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109955852A (en) * | 2017-12-25 | 2019-07-02 | 郑州宇通客车股份有限公司 | Stopping brake control method and its system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140528 |
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| CX01 | Expiry of patent term |