CN203543939U - Automobile proportional relay valve - Google Patents
Automobile proportional relay valve Download PDFInfo
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- CN203543939U CN203543939U CN201320596893.1U CN201320596893U CN203543939U CN 203543939 U CN203543939 U CN 203543939U CN 201320596893 U CN201320596893 U CN 201320596893U CN 203543939 U CN203543939 U CN 203543939U
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- spring
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Abstract
The utility model provides an automobile proportional relay valve, which comprises a relay valve and a proportional valve, wherein the relay valve is provided with a relay piston capable of longitudinally moving in an upper valve body, a rubber valve, a reset spring and a spring seat are arranged in a lower valve body, the rubber valve can realize the following moving through the longitudinal movement of the relay piston, the proportional valve is provided with a coil and an electromagnetic valve body, a movable iron core and a static iron core are arranged in the coil, the movable iron core and an ejector pin are connected into a whole, a first valve is arranged under the ejector pin, the longitudinal movement of the ejector pin is transmitted to a valve rod through the first valve so that a second valve realizes the following movement, a proportional pressure regulating air chamber is arranged under the second valve, and the proportional pressure regulating air chamber is communicated with an upper cavity of the relay piston through a passage. The automobile proportional relay valve has the advantages that electric signals are adopted for proportionally controlling the braking air pressure, and the traditional air pressure control transmission process is replaced, so each wheel of an automobile realizes the synchronous braking.
Description
Technical field
The utility model belongs to auto manufacturing's technical field, relates in particular to a kind of automobile proportion relay valve.
Background technology
The kind of automobile is a lot, and some vehicle wheel bases are longer, and its brake piping is also corresponding longer, and the air pressure in braking procedure lags behind, and has seriously affected the safety of driving.At present in the vehicle of ABS anti-skid brake system is housed, for the long wheelbase vehicle of running at high speed, the reaction time hysteresis problem of compression air brake remains subject matter, needs thus the electric brake system of more accurate control, realizes and shortens stopping distance and improve insensitivity.
Utility model content
The purpose of this utility model is for the problems referred to above, provide a kind of can with the matching used automobile proportion relay valve of Vehicle Electronic Control pressure system, the electric brake system that can more accurately control, realize and shorten stopping distance and improve insensitivity, and when at automatically controlled failure of removal, can realize the function of common relay valve.
The technical scheme that the technical matters that the utility model solves adopts is:
A kind of automobile proportion relay valve, comprise relay valve 8 and apportioning valve 3, relay valve 8 and apportioning valve 3 adjacent settings respectively, relay valve 8 and apportioning valve are with upper valve body 1, lower valve body 2 is matrix, upper valve body 1, lower valve body 2 forms controls 4 mouthfuls, mouth, 1 mouthful of admission port, 3 mouthfuls of 2 mouthfuls of air extractor ducts and exhausr ports, relay valve 8 is provided with relay piston 4 that can longitudinal movement in upper valve body 1, in lower valve body 2, be provided with rubber valve 5, pull back spring 6 and spring perch 7, pull back spring 6 is located on spring perch 7, pull back spring 6 withstands on rubber valve 5 times, rubber valve 5 is corresponding with relay piston 4, described relay piston 4 longitudinal movements can make described rubber valve 5 servo-actuated together, apportioning valve 3 is provided with coil 31 and electromagnetic valve body 32 in upper valve body 1, be provided with in coil moving iron core 35 and static iron core 38, moving iron core 35 is integrally connected with thimble 37, thimble 37 has valve 1, below corresponding valve 1, be provided with valve rod 40, valve rod 40 has valve 2 41, thereby thimble 37 longitudinal movements are passed to valve rod 40 by valve 1 makes valve 2 41 servo-actuated, valve 2 41 belows are provided with ratio pressure chamber b, and ratio pressure chamber b communicates with the epicoele of relay piston 4 through passage d.During concrete use, moving iron core 35 and valve 1 are connected to each other one by thimble 37, can electromagnetic force be converted into the control air pressure of ratio pressure chamber b by longitudinal movement.
During concrete enforcement, between moving iron core 35 and static iron core 38, be provided with spring 36, when coil is not switched on, make to have aperture between valve 1 and valve rod 40, control 4 mouthfuls, mouth and communicate with the epicoele of relay piston 4 by valve rod 40 endoporus and passage d.
During concrete enforcement, moving iron core 35 is respectively equipped with parallel inclined-plane with static iron core 38 corresponding sections, and 38 of moving iron core 35 and static iron cores form inclined-plane electromagnetism air gap.Inclined-plane electromagnetism air gap can increase electromagnetic attraction.
During concrete enforcement, above static iron core 38, be provided with end socket 33, between end socket 33 and static iron core 38, have magnetism-isolating loop 34.Magnetism-isolating loop 34 guarantees that magnetic force effectively concentrates between moving iron core 35 and static iron core 38 inclined-planes.
During concrete enforcement, below valve 2 41, be provided with pressure spring 42 and pressure regulating screw (43), by pressure regulating screw 43, can change the compression elasticity of pressure spring 42, making can the corresponding corresponding relation of setting up the control air pressure of electric current and ratio pressure chamber b when coil electricity.
The beneficial effects of the utility model are:
(1) the utility model has adopted electric signal proportional control braking pressure, has replaced traditional air pressure and has controlled transmitting procedure, makes each wheel synchronous braking of automobile.
(2) in the utility model apportioning valve, the power of pressure spring is adjustable, can more accurately control the corresponding relation of electric signal and braking pressure, shortens braking time.
(3) even if the utility model, when automatically controlled failure of removal, can be realized the function of common relay valve.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, utility model is further illustrated.
Fig. 1 is the structural representation of the utility model embodiment.
In figure: 1, upper valve body 2, lower valve body 3, apportioning valve 4, relay piston 5, rubber valve 6, pull back spring 7, spring perch 8, relay valve 31, coil 32, electromagnetic valve body 33, end socket 34, magnetism-isolating loop 35, moving iron core 36, spring 37, thimble 38, static iron core 39, valve 1, valve rod 41, valve 2 42, pressure spring 43, pressure regulating screw are 1 mouthful: admission port; 2 mouthfuls: air extractor duct; 3 mouthfuls: exhausr port; 4 mouthfuls: control mouth; A, c, d, e: passage; B, ratio pressure chamber.
The specific embodiment
In Fig. 1, a kind of automobile proportion relay valve, comprise relay valve 8 and apportioning valve 3, relay valve 8 and apportioning valve 3 adjacent settings respectively, relay valve 8 and apportioning valve 3 are with upper valve body 1, lower valve body 2 is matrix, upper valve body 1, lower valve body 2 forms controls 4 mouthfuls, mouth, 1 mouthful of admission port, 3 mouthfuls of 2 mouthfuls of air extractor ducts and exhausr ports, relay valve 8 is provided with relay piston 4 that can longitudinal movement in upper valve body 1, in lower valve body 2, be provided with rubber valve 5, pull back spring 6 and spring perch 7, pull back spring 6 is located on spring perch 7, pull back spring 6 withstands on rubber valve 5 times, rubber valve 5 is corresponding with relay piston 4, described relay piston 4 longitudinal movements can make described rubber valve 5 servo-actuated together, apportioning valve 3 is provided with coil 31 and electromagnetic valve body 32 in upper valve body 1, be provided with in coil moving iron core 35 and static iron core 38, moving iron core 35 is integrally connected with thimble 37, thimble 37 has valve 1, below corresponding valve 1, be provided with valve rod 40, valve rod 40 has valve 2 41, thereby thimble 37 longitudinal movements are passed to valve rod 40 by valve 1 makes valve 2 41 servo-actuated, valve 2 41 belows are provided with ratio pressure chamber b, and ratio pressure chamber b communicates with the epicoele of relay piston 4 through passage d.Moving iron core 35 and valve 1 are connected to each other one by thimble 37, can electromagnetic force be converted into the control air pressure of ratio pressure chamber b by longitudinal movement, between moving iron core 35 and static iron core 38, be provided with spring 36, when not switching on, coil makes to have aperture between valve 1 and valve rod 40, controlling 4 mouthfuls, mouth communicates with the epicoele of relay piston 4 by valve rod 40 endoporus and passage d, moving iron core 35 is respectively equipped with parallel inclined-plane with static iron core 38 corresponding sections, 38 of moving iron core 35 and static iron cores form inclined-plane electromagnetism air gap, and inclined-plane electromagnetism air gap can increase electromagnetic attraction.Above static iron core 38, be provided with end socket 33, between end socket 33 and static iron core 38, have magnetism-isolating loop 34.Magnetism-isolating loop 34 guarantees that magnetic force effectively concentrates between moving iron core 35 and static iron core 38 inclined-planes.Below valve 2 41, be provided with pressure spring 42 and pressure regulating screw 43, can change the compression elasticity of pressure spring 42 by pressure regulating screw 43, making can the corresponding corresponding relation of setting up the control air pressure of electric current and ratio pressure chamber b when coil electricity.
As shown in Figure 1, 1 mouthful of this admission port connects air tank, control mouthful 4 mouthfuls of delivery ports that connect main brake valve, 2 mouthfuls of diaphragm chambers that connect vehicle bridge left and right sides compressed air brake cylinder or spring brake chamber of air extractor duct, when chaufeur is stepped on brake pedal, electronic control system is calculated the brake-pressure of each compressed air brake cylinder needs that this deceleration/decel is corresponding according to the stroke counter of the speed of chaufeur pedal and pedal, thereby control inputs electric current arrives coil 31, make to produce electromagnetic attraction between iron core 35 and static iron core 38, move downward with the moving iron core 35 of valve 1 all-in-one-piece processed, drive with valve 2 41 all-in-one-piece valve rod 40 processed and move downward thus, thereby open valve passage a, make the pressurized air of 1 mouthful of admission port enter gas proportional control air chamber b, and arrive relay piston epicoele through passage d, relay piston is moved downward, drive rubber valve 5 to move downward, thereby open valve passage e, make the pressurized air of 1 mouthful of admission port enter relay piston 4 cavity of resorptions by passage c, and arrive compressed air brake cylinder by 2 mouthfuls of air extractor ducts.Simultaneously, the difference force of pressure spring 42 and proportional control air chamber b and the size of electromagnetic force reach balance, valve passage a is closed, now the air pressure of piston upper and lower cavity also reaches balance, valve passage d is closed, thereby realized input, determine the braking pressure output that current value is corresponding, the very first time reaches the object that optimum braking force is controlled.
When circuit breaks down, the partial failure of apportioning valve electromagnetic control, can complete the function of common relay valve.The air pressure of braking stagnation pressure output arrives proportional control air chamber b by controlling 4 mouthfuls, mouth through valve rod 40 endoporus, through passage d, arrive relay piston epicoele again, relay piston is moved downward, drive rubber valve 5 to move downward, thereby open valve passage e, make the pressurized air of 1 mouthful of admission port enter piston cavity of resorption, and arrive compressed air brake cylinder by 2 mouthfuls of air extractor ducts.
The utility model embodiment is applicable to passenger vehicle, truck and trailer.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any on the utility model basis the structure after simple transformation all belong to protection domain of the present utility model.
Claims (5)
1. an automobile proportion relay valve, comprise relay valve (8) and apportioning valve (3), the adjacent setting respectively of relay valve (8) and apportioning valve (3), relay valve (8) and apportioning valve (3) are with upper valve body (1), lower valve body (2) is matrix, upper valve body (1), lower valve body (2) forms controls 4 mouthfuls, mouth, 1 mouthful of admission port, 3 mouthfuls of 2 mouthfuls of air extractor ducts and exhausr ports, it is characterized in that: relay valve (8) is provided with relay piston (4) that can longitudinal movement in upper valve body (1), in lower valve body (2), be provided with rubber valve (5), pull back spring (6) and spring perch (7), pull back spring (6) is located on spring perch (7), pull back spring (6) withstands under rubber valve (5), rubber valve (5) is corresponding with relay piston (4), described relay piston (4) longitudinal movement can make described rubber valve (5) servo-actuated together, apportioning valve (3) is provided with coil (31) and electromagnetic valve body (32) in upper valve body (1), be provided with in coil moving iron core (35) and static iron core (38), moving iron core (35) is integrally connected with thimble (37), thimble (37) has valve one (39), below corresponding valve one (39), be provided with valve rod (40), valve rod (40) has valve two (41), thimble (37) longitudinal movement is passed to valve rod (40) by valve one (39) thereby makes valve two (41) servo-actuated, valve two (41) belows are provided with ratio pressure chamber (b), ratio pressure chamber (b) communicates with the epicoele of relay piston (4) through passage (d).
2. a kind of automobile proportion relay valve according to claim 1, it is characterized in that: between moving iron core (35) and static iron core (38), be provided with spring (36), when coil is not switched on, make to have aperture between valve one (39) and valve rod (40), control 4 mouthfuls, mouth and communicate with the epicoele of relay piston (4) by valve rod (40) endoporus and passage (d).
3. a kind of automobile proportion relay valve according to claim 1, it is characterized in that: moving iron core (35) is respectively equipped with parallel inclined-plane with static iron core (38) corresponding section, between moving iron core (35) and static iron core (38), form inclined-plane electromagnetism air gap, inclined-plane electromagnetism air gap can increase electromagnetic attraction.
4. a kind of automobile proportion relay valve according to claim 1, is characterized in that: above static iron core (38), be provided with end socket (33), between end socket (33) and static iron core (38), have magnetism-isolating loop (34).
5. a kind of automobile proportion relay valve according to claim 1, is characterized in that: in valve two (41) belows, be provided with pressure spring (42) and pressure regulating screw (43), can change the compression elasticity of pressure spring (42) by pressure regulating screw (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320596893.1U CN203543939U (en) | 2013-09-26 | 2013-09-26 | Automobile proportional relay valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320596893.1U CN203543939U (en) | 2013-09-26 | 2013-09-26 | Automobile proportional relay valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203543939U true CN203543939U (en) | 2014-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320596893.1U Expired - Lifetime CN203543939U (en) | 2013-09-26 | 2013-09-26 | Automobile proportional relay valve |
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| CN (1) | CN203543939U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085386A (en) * | 2014-07-07 | 2014-10-08 | 南京浦镇海泰制动设备有限公司 | Electro-pneumatic conversion proportional valve for rail transit vehicle braking system |
| CN105501203A (en) * | 2016-01-04 | 2016-04-20 | 瑞立集团瑞安汽车零部件有限公司 | Multi-channel integrated type ABS (Anti-lock Braking System) rear axle braking device |
| CN106078010A (en) * | 2016-06-30 | 2016-11-09 | 肖锐 | A kind of precision welding device |
| CN106110981A (en) * | 2016-06-30 | 2016-11-16 | 肖锐 | A kind of agitating device for resin coating |
| CN106195558A (en) * | 2016-06-30 | 2016-12-07 | 肖锐 | A kind of rotary type camera head |
| CN108944890A (en) * | 2018-09-07 | 2018-12-07 | 广州市西合汽车电子装备有限公司 | A kind of electromagnet flow relay valve |
| CN110316172A (en) * | 2019-08-05 | 2019-10-11 | 浙江万安科技股份有限公司 | A kind of air brake valve and the method for changing air brake valve output characteristics |
-
2013
- 2013-09-26 CN CN201320596893.1U patent/CN203543939U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085386A (en) * | 2014-07-07 | 2014-10-08 | 南京浦镇海泰制动设备有限公司 | Electro-pneumatic conversion proportional valve for rail transit vehicle braking system |
| CN105501203A (en) * | 2016-01-04 | 2016-04-20 | 瑞立集团瑞安汽车零部件有限公司 | Multi-channel integrated type ABS (Anti-lock Braking System) rear axle braking device |
| CN106078010A (en) * | 2016-06-30 | 2016-11-09 | 肖锐 | A kind of precision welding device |
| CN106110981A (en) * | 2016-06-30 | 2016-11-16 | 肖锐 | A kind of agitating device for resin coating |
| CN106195558A (en) * | 2016-06-30 | 2016-12-07 | 肖锐 | A kind of rotary type camera head |
| CN106078010B (en) * | 2016-06-30 | 2018-03-23 | 上海蓬渤机电设备有限公司 | A kind of precision welding device |
| CN108944890A (en) * | 2018-09-07 | 2018-12-07 | 广州市西合汽车电子装备有限公司 | A kind of electromagnet flow relay valve |
| CN108944890B (en) * | 2018-09-07 | 2023-12-19 | 广州市西合汽车电子装备有限公司 | Electromagnetic flow relay valve |
| CN110316172A (en) * | 2019-08-05 | 2019-10-11 | 浙江万安科技股份有限公司 | A kind of air brake valve and the method for changing air brake valve output characteristics |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |