CN2407999Y - Double air chamber driving device for automobile - Google Patents
Double air chamber driving device for automobile Download PDFInfo
- Publication number
- CN2407999Y CN2407999Y CN 00222026 CN00222026U CN2407999Y CN 2407999 Y CN2407999 Y CN 2407999Y CN 00222026 CN00222026 CN 00222026 CN 00222026 U CN00222026 U CN 00222026U CN 2407999 Y CN2407999 Y CN 2407999Y
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- Prior art keywords
- air
- valve
- air chamber
- brake control
- tank
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- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model relates to a double air chamber driving device for an automobile. A one-way valve (7), an air storage tank (8), a water discharge valve (9), a relay emergency brake control valve (10), a rear brake main air chamber (12), a rear brake auxiliary air chamber (11), and a relay valve (14) are increased on the basis of a single air chamber driving device of an original automobile, wherein, a brake control valve (17) is reformed and connected in series, the relay emergency brake control valve is respectively connected with the air storage tank (5), the one-way valve (7), and the rear brake auxiliary air chamber (11), the rear brake main air chamber (12) is connected with the relay valve, and the air storage tank (8) is provided with the one-way valve (7) and the water discharge valve (9) and is connected with a bi-pass one-way valve (7). Brake force is raised, adhesive force is fully utilized, brake distance and brake hysteresis quality are shortened, labor intensity is reduced, and stable ride comfort is raised.
Description
The utility model relates to automotive trannsmission system, particularly a kind of automobile double air chamber driving device.
The automobile of pneumatic brake system in the prior art, restricted because of air pressure, it is few to be equipped with automatic regulating valve in the brake system, and by brake control valve control total system, the air pressure of front and rear wheel compares P
2/ P
1=1, it is a constant, be difficult to realize line pressure distribution Ideal Characteristics curve, the braking force that is produced when heavy duty and the Ideal Characteristics curve require widely different, because move behind the load-carrying barycenter, because of limited by air pressure, trailing wheel adhesive ability is huge to be increased between braking force and the adhesive ability, the lock torque that rear wheel brake produces is limited, is difficult to realization braking force and adhesive ability near equating.And slippage takes place greater than adhesive ability with ground in the braking force that front-wheel moves generation after because of barycenter, loss of steering control, and destruction should have safe reliability and ride comfort.
Reduce front-wheel pipeline air pressure or be limited to a rated value, near the brakig force distribution ideal behavior, but when unloaded, rear-wheel braking force is greater than adhesive ability, and back slippage is serious and can whipping, stopping distance increase, get out of hand and directional balance.And when heavy duty, stopping distance increases, braking retardation, if adjusting brake control valve makes every effort near desirable braking characteristics, braking character was rough when the result was unloaded, and heavily loaded brake pedal is heavy, and navigating mate labour intensity is increased, relevant parts load increases, and is difficult to realize comparatively ideal brakig force distribution characteristic.
The purpose of this utility model is: a kind of automobile double air chamber driving device is provided, and this device can improve braking force, obtains desirable brakig force distribution characteristic.
Formation of the present utility model: by air compressor, pressure regulating valve, air tank, servo emergency brake control cock, back braking main gas tank, back braking accessory air-space, relay valve, parallel series brake control valve and front wheel brake air chamber are formed, servo emergency brake control cock (10) by tracheae respectively with propons air tank (5), check valve (7), air tank (8), back braking major-minor air chamber (11) (12), relay valve (14) is connected with bilateral check valve (16), braking main gas tank (12) after two is connected with rapid release valve (13) by tracheae, back braking main gas tank (12) and back are braked accessory air-space (11) and are held together by major-minor air chamber base (27), parallel series brake control valve (17) by tracheae respectively with bilateral check valve (16), propons air tank (5), back axle air tank (4), air-pressure gauge (19) connects.Braking two air chambers in back are formed one by back braking main gas tank (12) and back braking accessory air-space (11), go up installation push rod fork (20) and main gas tank's shell (22) at main gas tank's push rod (21), main gas tank's film (25) and spring (23) are installed in main gas tank's shell, air chamber hoop (24) and gas-tpe fitting (26) are installed in the outside, and be connected with the accessory air-space shell (30) of accessory air-space (11) by major-minor air chamber base (27), accessory air-space push rod (32), spring (28) and accessory air-space film (31) are installed in the enclosure, and air chamber hoop (29) and gas-tpe fitting (33) are installed in the outside.Servo emergency brake control cock (10), in body (34) top loam cake (36) is installed, mounting core pipe piston (39) in it, balance spring (35), limit or safe adjustment of inflation pressure bolt (37), at the last deflation hole (40) that covered, between loam cake (36) and core pipe piston (39), plastics guide ring (41) is arranged, plastics guide ring (42) and O RunddichtringO (43) are arranged between body (34) and core pipe piston (39), drain tap or air intake valve (44) are installed in below at body (34), on drain tap or air intake valve (44), be installed into, blow off valve gate seat bolt (47), O RunddichtringO (46) and spring (45) are arranged therebetween, and cover of dust (48) is arranged at the bottom.Tandem brake control cock (17), dummy piston cover (50) is installed in shell (49), dummy piston (55) is arranged in dummy piston cover (50), O RunddichtringO (57) and retracing spring (58) are arranged therebetween, balance spring (52) and fork arm ram seat (53) are arranged in dummy piston (55), in fork arm ram seat (53) top cover of dust (51) is arranged, there are blow off valve (65) and spring (59) in the below, preceding brake chamber relay piston (64) cooperates with blow off valve (65) and preceding brake chamber relay piston cover (60) respectively, O RunddichtringO (61) is arranged therebetween, between preceding brake chamber relay piston cover (60) and the shell (49) O RunddichtringO (63) being arranged, is blow off valve (62) in the below of preceding brake chamber relay piston (64).
Compared with the prior art, the utility model is improved to two air chambers by the original single air chamber of back braking, increase check valve, air tank, blow off valve, repacking servo emergency brake control cock and relay valve, improved braking force, adhesive ability is fully used, shorten the hysteresis quality of stopping distance and braking, reduce labor intensity, improve and stablize ride comfort.
After improving two compressed air brake cylinders, bearing area increase because of conversion power, then the tangential thrust of opening cam is increased, constant at air pressure, shoe plate is constant with the friction coefficient of drum, and positive pressure obtains increasing, therefore, friction force increases, and braking force increases thereupon, heightens the problem that control air pressure solves thereby solved because of braking force is not enough by pressure.
Accompanying drawing 1 is the utility model scheme drawing;
Accompanying drawing 2 is the two air chamber structure figure of back braking;
Accompanying drawing 3 is servo emergency brake control cock constructionals drawing;
Accompanying drawing 4 is tandem brake control cock constructionals drawing.
Embodiment of the present utility model: as shown in Figure 1, air compressor (1) is by tracheae and pressure regulating valve (2), wet air tank (3) connects, wet air tank (3) and back axle air tank (4), propons air tank (5) connects, back axle air tank (4) is connected with air-pressure gauge (19) with air pressure alarm (6), propons air tank (5) is connected with parallel series brake control valve (17) with servo emergency brake control cock (10), servo emergency brake control cock (10) is connected with back braking accessory air-space (11) with check valve (7), air tank (8) is gone up check valve (7) and blow off valve (9) is installed, air tank (8) is connected with bilateral check valve (16), bilateral check valve (16) is connected with parallel series brake control valve (17) with stop lamp switch (15), relay valve (14) by rapid release valve (13) with two after brake main gas tank (12) and link to each other, and with air tank (4) (8), bilateral check valve (16), parallel series brake control valve (17), air-pressure gauge (19) links to each other, and front wheel brake air chamber (18) links to each other with bilateral check valve (16) with parallel series brake control valve (17).
As shown in Figure 2, go up installation push rod fork (20) and main gas tank's shell (22) at main gas tank's push rod (21), main gas tank's film (25) and spring (23) are installed in main gas tank's shell, air chamber hoop (24) and gas-tpe fitting (26) are installed in the outside, and be connected with the accessory air-space shell (30) of accessory air-space (11) by major-minor air chamber base (27), accessory air-space push rod (32), spring (28) and accessory air-space film (31) are installed in the enclosure, and air chamber hoop (29) and gas-tpe fitting (33) are installed in the outside.
As shown in Figure 3, it is servo emergency brake control cock (10), in body (34) top loam cake (36) is installed, mounting core pipe piston (39) in it, balance spring (35), limit or safe adjustment of inflation pressure bolt (37), at the last deflation hole (40) that covered, between loam cake (36) and core pipe piston (39), plastics guide ring (41) is arranged, plastics guide ring (42) and O RunddichtringO (43) are arranged between body (34) and core pipe piston (39), drain tap or air intake valve (44) are installed in below at body (34), on drain tap or air intake valve (44), be installed into, blow off valve gate seat bolt (47), O RunddichtringO (46) and spring (45) are arranged therebetween, and cover of dust (48) is arranged at the bottom.
As shown in Figure 4, be tandem brake control cock (17), dummy piston cover (50) is installed in shell (49), dummy piston (55) is arranged in dummy piston cover (50), O RunddichtringO (57) and retracing spring (58) are arranged therebetween, balance spring (52) and fork arm ram seat (53) are arranged in dummy piston (55), in fork arm ram seat (53) top cover of dust (51) is arranged, there are blow off valve (65) and spring (59) in the below, preceding brake chamber relay piston (64) cooperates with blow off valve (65) and preceding brake chamber relay piston cover (60) respectively, O RunddichtringO (61) is arranged therebetween, between preceding brake chamber relay piston cover (60) and the shell (49) O RunddichtringO (63) being arranged, is blow off valve (62) in the below of preceding brake chamber relay piston (64).
Claims (4)
1, a kind of automobile double air chamber driving device, by air compressor, pressure regulating valve, air tank, servo emergency brake control cock, back braking main gas tank, back braking accessory air-space, relay valve, parallel series brake control valve and front wheel brake air chamber are formed, it is characterized in that: servo emergency brake control cock (10) by tracheae respectively with propons air tank (5), check valve (7), air tank (8), back braking major-minor air chamber (11) (12), relay valve (14) is connected with bilateral check valve (16), braking main gas tank (12) after two is connected with rapid release valve (13) by tracheae, back braking main gas tank (12) and back are braked accessory air-space (11) and are held together by major-minor air chamber base (27), parallel series brake control valve (17) by tracheae respectively with bilateral check valve (16), propons air tank (5), back axle air tank (4), air-pressure gauge (19) connects.
2, automobile double air chamber driving device according to claim 1, it is characterized in that: braking two air chambers in back are formed one by back braking main gas tank (12) and back braking accessory air-space (11), go up installation push rod fork (20) and main gas tank's shell (22) at main gas tank's push rod (21), main gas tank's film (25) and spring (23) are installed in main gas tank's shell, air chamber hoop (24) and gas-tpe fitting (26) are installed in the outside, and be connected with the accessory air-space shell (30) of accessory air-space (11) by major-minor air chamber base (27), accessory air-space push rod (32) is installed in the enclosure, spring (28) and accessory air-space film (31), air chamber hoop (29) and gas-tpe fitting (33) are installed in the outside.
3, automobile double air chamber driving device according to claim 1, it is characterized in that: servo emergency brake control cock (10), in body (34) top loam cake (36) is installed, mounting core pipe piston (39) in it, balance spring (35), limit or safe adjustment of inflation pressure bolt (37), at the last deflation hole (40) that covered, between loam cake (36) and core pipe piston (39), plastics guide ring (41) is arranged, plastics guide ring (42) and O RunddichtringO (43) are arranged between body (34) and core pipe piston (39), drain tap or air intake valve (44) are installed in below at body (34), on drain tap or air intake valve (44), be installed into, blow off valve gate seat bolt (47), O RunddichtringO (46) and spring (45) are arranged therebetween, and cover of dust (48) is arranged at the bottom.
4, automobile double air chamber driving device according to claim 1, it is characterized in that: tandem brake control cock (17), dummy piston cover (50) is installed in shell (49), dummy piston (55) is arranged in dummy piston cover (50), O RunddichtringO (57) and retracing spring (58) are arranged therebetween, balance spring (52) and fork arm ram seat (53) are arranged in dummy piston (55), in fork arm ram seat (53) top cover of dust (51) is arranged, there are blow off valve (65) and spring (59) in the below, preceding brake chamber relay piston (64) cooperates with blow off valve (65) and preceding brake chamber relay piston cover (60) respectively, O RunddichtringO (61) is arranged therebetween, between preceding brake chamber relay piston cover (60) and the shell (49) O RunddichtringO (63) being arranged, is blow off valve (62) in the below of preceding brake chamber relay piston (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00222026 CN2407999Y (en) | 2000-01-04 | 2000-01-04 | Double air chamber driving device for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00222026 CN2407999Y (en) | 2000-01-04 | 2000-01-04 | Double air chamber driving device for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2407999Y true CN2407999Y (en) | 2000-11-29 |
Family
ID=33586825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00222026 Expired - Fee Related CN2407999Y (en) | 2000-01-04 | 2000-01-04 | Double air chamber driving device for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2407999Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105857285A (en) * | 2016-05-03 | 2016-08-17 | 广西欧讯科技服务有限责任公司 | Pneumatic braking transmission device |
| CN105946832A (en) * | 2016-05-03 | 2016-09-21 | 广西欧讯科技服务有限责任公司 | Pneumatic brake transmission device with protective structure |
| CN106043258A (en) * | 2016-07-26 | 2016-10-26 | 聂瑞波 | Breaker pump and applications thereof on loaders |
| CN110329231A (en) * | 2019-06-11 | 2019-10-15 | 东风商用车有限公司 | A kind of control method of electric compressor |
-
2000
- 2000-01-04 CN CN 00222026 patent/CN2407999Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105857285A (en) * | 2016-05-03 | 2016-08-17 | 广西欧讯科技服务有限责任公司 | Pneumatic braking transmission device |
| CN105946832A (en) * | 2016-05-03 | 2016-09-21 | 广西欧讯科技服务有限责任公司 | Pneumatic brake transmission device with protective structure |
| CN106043258A (en) * | 2016-07-26 | 2016-10-26 | 聂瑞波 | Breaker pump and applications thereof on loaders |
| CN106043258B (en) * | 2016-07-26 | 2018-03-20 | 聂瑞波 | Brake pump and its application on loading machine |
| CN110329231A (en) * | 2019-06-11 | 2019-10-15 | 东风商用车有限公司 | A kind of control method of electric compressor |
| CN110329231B (en) * | 2019-06-11 | 2021-04-02 | 东风商用车有限公司 | Control method of electric air compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |