CN105501203A - Multi-channel integrated type ABS (Anti-lock Braking System) rear axle braking device - Google Patents
Multi-channel integrated type ABS (Anti-lock Braking System) rear axle braking device Download PDFInfo
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- CN105501203A CN105501203A CN201610004871.XA CN201610004871A CN105501203A CN 105501203 A CN105501203 A CN 105501203A CN 201610004871 A CN201610004871 A CN 201610004871A CN 105501203 A CN105501203 A CN 105501203A
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- plate spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
- B60T13/683—Electrical control in fluid-pressure brake systems by electrically-controlled valves in pneumatic systems or parts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/10—ABS control systems
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention relates to a multi-channel integrated type ABS (Anti-lock Braking System) rear axle braking device. The multi-channel integrated type ABS rear axle braking device comprises an exhausting membrane, an exhausting membrane spring, an air inlet membrane and an air inlet membrane spring, wherein the exhausting membrane spring is mounted at the position of an upper cavity of the exhausting membrane; the air inlet membrane spring is mounted at the position of an upper cavity of the air inlet membrane; a cover plate is arranged on the upper surfaces of the exhausting membrane, the exhausting membrane spring, the air inlet membrane and the air inlet membrane spring; the valve plate is fixedly connected with a lower valve body; an upper shell is arranged on the upper surface of the lower valve body; a piston is arranged between the lower valve body and the upper shell; a first O-shaped ring sleeves the piston; a third O-shaped ring is mounted between the upper shell and the piston; a second O-shaped ring is mounted between the lower valve body and the upper shell; and a solenoid valve is arranged between the upper shell and the lower valve body. The multi-channel integrated type ABS rear axle braking device can meet the requirements of integration and lightweight of whole car products, and convenience for maintenance and detection, and the respond time of the system is shortened.
Description
Technical field
The invention belongs to technical field of automobile components, relate to a kind of multi-channel integrated form ABS back axle brake equipment.
Background technology
At present, ABS system is the electronic system for control & monitor car speed during braking, and it is worked by conventional braking system.When wheel is close to locking, corresponding wheel brake pressure will be released and period of acceleration maintenance is constant again requiring or record wheel, after again accelerating, progressively increase brake-pressure.Be equivalent to independent " point is stopped " of each wheel.In commercial vehicle/comm..vehicle back axle brake system, in order to meet the needs of car load Products integration, lightweight and convenient for maintaining, detection, and reducing system response time, needing a kind of multi-channel integrated form ABS back axle brake equipment more.
Application number is " 201210110394.7 ", publication number is the Chinese invention patent application of " CN102642532A ", disclose a kind of triple channel ABS system, be applied to three axle superimposed trailers, the wheel place of the front axle of described three axle superimposed trailers, axis and rear axle both sides is all provided with gear ring and corresponding ABS wheel speed sensors, described ABS wheel speed sensors is all connected to ABS ECU (Electrical Control Unit), and described ABS ECU (Electrical Control Unit) is connected with the control unit being respectively used to control each wheel braking air chamber suction quantity; It is by all installing gear ring and wheel speed sensors at each wheel place of each axletree, ABS ECU (Electrical Control Unit) is according to the wheel speed information from each wheel received, although can control the compressed air brake cylinder of every root axletree when braking, but it is low but to there is integrated level in it, product weight is large, the response time of system is long, and safe reliability is poor, independence and the problem such as real-time is poor.
The patent No. is " ZL201120543271.3 ", Authorization Notice No. is " CN202429194U ", name is called the Chinese utility model patent of " the automatically controlled relay valve of binary channel of a kind of ABS ", disclose the automatically controlled relay valve of binary channel of a kind of ABS, comprise main body, described main body has two pairs can the automatically controlled relay valve of independent work, and described two secondary automatically controlled relay valves are controlled by the electromagnetic valve group connected with main body.The utility model arranges two pairs in main body can the automatically controlled relay valve of independent work, form twin-channel air valve, then this two secondary automatically controlled relay valve is controlled by electromagnetic valve group, although it can realize the mode of operation of independent supercharging, pressurize, decompression or common supercharging, pressurize decompression, but it is low that it exists integrated level equally, product weight is large, and the response time of system is long, safe reliability is poor, independence and the problem such as real-time is poor.
On the whole, more existing back axle brake equipments, there is integrated level low, product weight is large more, the response time of system is long, safe reliability is poor, independence and the problem such as real-time is poor, for this reason, need a kind of multi-channel integrated form ABS back axle brake equipment, solve the problems referred to above existing in prior art, meet the needs of car load Products integration, lightweight and convenient for maintaining, detection, and reduce system response time.
Summary of the invention
The object of the present invention is to provide a kind of multi-channel integrated form ABS back axle brake equipment, solve the problems referred to above existing in prior art, meet the needs of car load Products integration, lightweight and convenient for maintaining, detection, and reduce system response time.
For achieving the above object, the invention provides a kind of multi-channel integrated form ABS back axle brake equipment, comprise exhaust diaphragm, exhaust membrane plate spring, air inlet diaphragm and air inlet film plate spring, exhaust membrane plate spring is arranged on the epicoele position of exhaust diaphragm, and air inlet film plate spring is arranged on the epicoele position of air inlet diaphragm; Be provided with cover plate above exhaust diaphragm, exhaust membrane plate spring, air inlet diaphragm and air inlet film plate spring, cover plate fixes with lower valve body and connects; Lower valve body be above provided with upper shell, be provided with piston between valve body and upper shell down; Piston is arranged with an O shape circle, the 3rd O type circle is installed between upper shell and piston, lower 2nd O type circle is installed between valve body and upper shell; Spring perch is provided with below piston; Spring perch is provided with Compress Spring, and the top of Compress Spring is provided with valve, and the top of valve is provided with gland, and gland is provided with hole back-up ring; Electromagnetic valve is provided with between upper shell and lower valve body.
In above scheme preferably, exhaust membrane plate spring comprises first row air film plate spring and second row air film plate spring.
In above either a program preferably, be vented diaphragm and comprise first row air film sheet and second row air film sheet.
In above either a program preferably, air inlet film plate spring comprises the first air inlet film plate spring and the second air inlet film plate spring.
In above either a program preferably, air inlet diaphragm comprises the first air inlet diaphragm and the second air inlet diaphragm.
In above either a program preferably, first row air film plate spring is arranged on the epicoele leftward position place of first row air film sheet.
In above either a program preferably, second row air film plate spring is arranged on the epicoele right positions place of second row air film sheet.
In above either a program preferably, the first air inlet film plate spring is arranged on the epicoele leftward position place of the first air inlet diaphragm.
In above either a program preferably, the second air inlet film plate spring is arranged on the epicoele right positions place of the second air inlet diaphragm.
In above either a program preferably, the first air inlet film plate spring and first row air film plate spring be provided with cover plate above.
In above either a program preferably, cover plate is arranged on the leftward position place above the first air inlet film plate spring and first row air film plate spring.
In above either a program preferably, the second air inlet film plate spring and second row air film plate spring be provided with cover plate above.
In above either a program preferably, cover plate is arranged on the right positions place above the second air inlet film plate spring and second row air film plate spring.
In above either a program preferably, cover plate is connected with lower valve body by screw.
In above either a program preferably, spring perch is arranged between the first air inlet diaphragm and the second air inlet diaphragm.
In above either a program preferably, spring perch is provided with the 5th O type circle.
In above either a program preferably, the 4th O shape circle the external diameter of gland is equipped with.
In above either a program preferably, lower valve body is provided with inside groove.
In above either a program preferably, hole back-up ring is fastened in the inside groove of lower valve body.
In above either a program preferably, electromagnetic valve comprises the first electromagnetic valve and the second electromagnetic valve.
In above either a program preferably, line of centers is symmetrical in left-right direction for the first electromagnetic valve and the second electromagnetic valve.
In above either a program preferably, electromagnetic valve comprises before the first electromagnetic valve and the second electromagnetic valve and is provided with pressing plate.
In above either a program preferably, the first electromagnetic valve and the second electromagnetic valve are connected by screw lock.
In above either a program preferably, the first electromagnetic valve is provided with the first electromagnetic valve coil, is provided with dynamic core assembly and static iron core assembly in the first electromagnetic valve coil.
In above either a program preferably, the dynamic core assembly of the first electromagnetic valve comprises the first dynamic core assembly and the second dynamic core assembly.
In above either a program preferably, the static iron core assembly of the first electromagnetic valve comprises the first static iron core assembly and the second static iron core assembly.
In above either a program preferably, the first static iron core assembly is provided with the first air inlet spring and the first air intake valve.
In above either a program preferably, the first static iron core assembly is provided with the 6th O shape circle and the 7th O shape circle.
In above either a program preferably, below the second static iron core assembly, first row gas spring and first row air valve are installed.
In above either a program preferably, the second electromagnetic valve is provided with the second electromagnetic valve coil, is provided with dynamic core assembly and static iron core assembly in the second electromagnetic valve coil.
In above either a program preferably, the dynamic core assembly of the second electromagnetic valve comprises the 3rd dynamic core assembly and the 4th dynamic core assembly.
In above either a program preferably, the static iron core assembly of the second electromagnetic valve comprises the 3rd static iron core assembly and the 4th static iron core assembly.
In above either a program preferably, below the 4th static iron core assembly, second row gas spring and second row air valve are installed.
In above either a program preferably, the 3rd static iron core assembly is provided with the second air inlet spring and the second air intake valve.
In above either a program preferably, the second electromagnetic valve is identical with the version of the first electromagnetic valve.
In above either a program preferably, upper shell is connected with control mouth, and the air pressure controlling mouth is directly inputted to the second electromagnetic valve and the first electromagnetic valve.
In above either a program preferably, lower valve body is provided with admission port and delivery port.
In above either a program preferably, delivery port comprises the first delivery port, the second delivery port, the 3rd delivery port, the 4th delivery port, the 5th delivery port and the 6th delivery port.
Compared with prior art, the present invention has the following advantages:
The invention provides a kind of multi-channel integrated form ABS back axle brake equipment, existing the problems referred to above can be solved in prior art, meet the needs of car load Products integration, lightweight and convenient for maintaining, detection, and reduce system response time; Its tool has the following advantages: compact conformation, be beneficial to installation and maintenance; Effectively product weight be can alleviate, oil consumption, protection of the environment reduced; Reduce the amount of parts on car chassis, assembling, maintenance are conveniently; Owing to reducing the connection of intermediate duct, the response time of effective raising system; The control chamber of electromagnetic valve and output cavity effectively and reasonably be separated control design case, improve the speed of response of Systematical control end to a great extent, thus improve the output speed of delivery port air pressure, avoid the loss of air pressure energy; The design of multiple delivery channel, can carry out multiple passage Brake Design more easily, as independent control, simultaneously control and external independent ABS electromagnetic valve realize 6S/6M function.
Accompanying drawing explanation
Fig. 1 is the local structure schematic diagram of an embodiment according to multi-channel integrated form ABS back axle brake equipment of the present invention.
Fig. 2 is the integral structure schematic diagram of the embodiment according to the multi-channel integrated form ABS back axle brake equipment of the present invention shown in Fig. 1;
Fig. 3 is the air-path interface schematic diagram of the embodiment according to the multi-channel integrated form ABS back axle brake equipment of the present invention shown in Fig. 1.
In figure, 1 is first row air film plate spring, 2 is first row air film sheet, 3 is the first air inlet film plate spring, 4 is the first air inlet diaphragm, 5 is cover plate, 6 is lower valve body, 7 is upper shell, 8 is piston, 9 is spring perch, 10 is valve, 11 is gland, 12 is Compress Spring, 13 is the second air inlet diaphragm, 14 is the second air inlet film plate spring, 15 is second row air film sheet, 16 is second row air film plate spring, 17 is noise elimination seat, 18 is silencing net, 19 is the first air intake valve, 20 is the first air inlet spring, 21 is the first dynamic core assembly, 22 is the first static iron core assembly, 23 is the first electromagnetic valve coil, 24 is first row gas spring, 25 is first row air valve, 26 is the second static iron core assembly, 27 is the second dynamic core assembly, 28 is the second air intake valve, 29 is the second air inlet spring, 30 is the 3rd dynamic core assembly, 31 is the 3rd static iron core assembly, 32 is the 4th static iron core assembly, 33 is the 4th dynamic core assembly, 34 is second row gas spring, 35 is second row air valve, 36 is hole back-up ring, 37 is an O shape circle, 38 is the 2nd O shape circle, 39 is the 3rd O shape circle, 40 is the 4th O shape circle, 41 is the 5th O shape circle, 42 is the 6th O shape circle, 43 is the 7th O shape circle, 44 is the first electromagnetic valve, 45 is the second electromagnetic valve, 101 is admission port, 211 is the first delivery port, 221 is the second delivery port, 231 is the 3rd delivery port, 241 is the 4th delivery port, 251 is the 5th delivery port, 261 is the 6th delivery port, 401 for controlling mouth, 46 is foot brake valves, 47 is air receiver, 61.1 is electromagnetic valve first control end in left side, 61.2 is electromagnetic valve second control end in left side, 61.3 is electromagnetic valve the 3rd control end in left side, 62.1 is electromagnetic valve first control end on right side, 62.2 is electromagnetic valve second control end on right side, 62.3 is electromagnetic valve the 3rd control end on right side.
Detailed description of the invention
In order to understand the present invention better, below in conjunction with specific embodiment, the present invention is explained in detail.But, obviously can carry out different modification and remodeling to the present invention and not exceed the wider spirit and scope of the present invention of appended claims.Therefore, following examples have exemplary and hard-core implication.
Embodiment:
A kind of multi-channel integrated form ABS back axle brake equipment, comprise exhaust diaphragm, exhaust membrane plate spring, air inlet diaphragm and air inlet film plate spring, exhaust membrane plate spring is arranged on the epicoele position of exhaust diaphragm, and air inlet film plate spring is arranged on the epicoele position of air inlet diaphragm; Be provided with cover plate 5 above exhaust diaphragm, exhaust membrane plate spring, air inlet diaphragm and air inlet film plate spring, cover plate 5 fixes with lower valve body 6 and connects; Be provided with upper shell 7 above lower valve body 6, between lower valve body 6 and upper shell 7, be provided with piston 8; Piston 8 is arranged with an O shape circle 37, the 3rd O type circle 39 is installed between upper shell 7 and piston 8, the 2nd O type circle 38 is installed between lower valve body 6 and upper shell 7; Spring perch 9 is provided with below piston 8; Spring perch 9 is provided with Compress Spring 12, the top of Compress Spring 12 is provided with valve 10, and the top of valve 10 is provided with gland 11, and gland 11 is provided with hole back-up ring 36; Electromagnetic valve is provided with between upper shell 7 and lower valve body 6.
In the above-described embodiments, exhaust membrane plate spring comprises first row air film plate spring 1 and second row air film plate spring 16.
In the above-described embodiments, be vented diaphragm and comprise first row air film sheet 2 and second row air film sheet 15.
In the above-described embodiments, air inlet film plate spring comprises the first air inlet film plate spring 3 and the second air inlet film plate spring 14.
In the above-described embodiments, air inlet diaphragm comprises the first air inlet diaphragm 4 and the second air inlet diaphragm 13.
In the above-described embodiments, first row air film plate spring 1 is arranged on the epicoele leftward position place of first row air film sheet 2.
In the above-described embodiments, second row air film plate spring 16 is arranged on the epicoele right positions place of second row air film sheet 15.
In the above-described embodiments, the first air inlet film plate spring 3 is arranged on the epicoele leftward position place of the first air inlet diaphragm 4.
In the above-described embodiments, the second air inlet film plate spring 14 is arranged on the epicoele right positions place of the second air inlet diaphragm 13.
In the above-described embodiments, the first air inlet film plate spring 3 and first row air film plate spring 1 be provided with cover plate 5 above.
In the above-described embodiments, cover plate 5 is arranged on the leftward position place above the first air inlet film plate spring 3 and first row air film plate spring 1.
In the above-described embodiments, the second air inlet film plate spring 14 and second row air film plate spring 16 be provided with cover plate 5 above.
In the above-described embodiments, cover plate 5 is arranged on the right positions place above the second air inlet film plate spring 14 and second row air film plate spring 16.
In the above-described embodiments, cover plate 5 is connected with lower valve body 6 by screw.
In the above-described embodiments, spring perch 9 is arranged between the first air inlet diaphragm 4 and the second air inlet diaphragm 13.
In the above-described embodiments, spring perch 9 is provided with the 5th O type circle 41.
In the above-described embodiments, the 4th O shape circle 40 external diameter of gland 11 is equipped with.
In the above-described embodiments, lower valve body 6 is provided with inside groove.
In the above-described embodiments, hole back-up ring 36 is fastened in the inside groove of lower valve body 6.
In the above-described embodiments, electromagnetic valve comprises the first electromagnetic valve 44 and the second electromagnetic valve 45.
In the above-described embodiments, line of centers is symmetrical in left-right direction for the first electromagnetic valve 44 and the second electromagnetic valve 45.
In the above-described embodiments, electromagnetic valve comprises before the first electromagnetic valve 44 and the second electromagnetic valve 45 and is provided with pressing plate.
In the above-described embodiments, the first electromagnetic valve 44 and the second electromagnetic valve 45 are connected by screw lock.
In the above-described embodiments, the first electromagnetic valve 44 is provided with in the first electromagnetic valve coil 23, first electromagnetic valve coil 23 and is provided with dynamic core assembly and static iron core assembly.
In the above-described embodiments, the dynamic core assembly of the first electromagnetic valve 44 comprises the first dynamic core assembly 21 and the second dynamic core assembly 27.
In the above-described embodiments, the static iron core assembly of the first electromagnetic valve 44 comprises the first static iron core assembly 22 and the second static iron core assembly 26.
In the above-described embodiments, the first static iron core assembly 22 is provided with the first air inlet spring 20 and the first air intake valve 19.
In the above-described embodiments, the first static iron core assembly 22 is provided with the 6th O shape circle 42 and the 7th O shape circle 43.
In the above-described embodiments, below the second static iron core assembly 26, first row gas spring 24 and first row air valve 25 are installed.
In the above-described embodiments, the second electromagnetic valve 45 is provided with the second electromagnetic valve coil, is provided with dynamic core assembly and static iron core assembly in the second electromagnetic valve coil.
In the above-described embodiments, the dynamic core assembly of the second electromagnetic valve 45 comprises the 3rd dynamic core assembly 30 and the 4th dynamic core assembly 33.
In the above-described embodiments, the static iron core assembly of the second electromagnetic valve 45 comprises the 3rd static iron core assembly 31 and the 4th static iron core assembly 32.
In the above-described embodiments, below the 4th static iron core assembly 32, second row gas spring 34 and second row air valve 35 are installed.
In the above-described embodiments, the 3rd static iron core assembly 30 is provided with the second air inlet spring 29 and the second air intake valve 28.
In the above-described embodiments, the second electromagnetic valve 45 is identical with the version of the first electromagnetic valve 44.
In the above-described embodiments, upper shell 7 is connected with control mouth 401; And the air pressure controlling mouth 401 is directly inputted to the second electromagnetic valve 45 and the first electromagnetic valve 44.
In the above-described embodiments, lower valve body 6 is provided with admission port 101 and delivery port.
In the above-described embodiments, delivery port comprises the first delivery port 211, second delivery port 221, the 3rd delivery port 231, the 4th delivery port 241, the 5th delivery port 251 and the 6th delivery port 261.
Multi-channel integrated form ABS back axle brake equipment of the present invention, piston 8 is arranged with the effect that O shape circle the 37, an one O shape circle 37 plays dynamic seal, piston 8 can be moved up and down along lower valve body 6 inner chamber; The effect that 3rd O type circle the 39, three O type circle 39 plays dynamic seal is installed between upper shell 7 and piston 8; The effect that 2nd O type circle the 38, two O type circle 38 plays static seal is installed between lower valve body 6 and upper shell 7; The quantity of lower valve body 6 can be two or more, is fixedly connected between lower valve body 6 by screw.Spring perch 9 is provided with the 5th O type circle 41,5th O type circle 41 plays the effect of static seal, spring perch 9 and the 5th O type circle 41 are arranged on below piston 8 and the centre of the first air inlet diaphragm 4 and the second air inlet diaphragm 13 in the lump, the outermost of spring perch 9 communicates protecting all the time with the gas of admission port 101, is carried by the gas of admission port 101 to facilitate to the delivery port 211 of both sides and delivery port 221.Two seal lips of valve 10 and two place's major diameter fit of spring perch 9, play the effect of sealing.Gland 11 is loaded on the top of valve 10, and the seal of gland 11 contacts with the rubber face of valve 10 and seals, and the external diameter of gland 11 is equipped with the 4th O shape circle 40 and seals with lower valve body 6 minor diameter fit.Gland 11, valve 10, Compress Spring 9, spring perch 9 are fixed on lower valve body 6 by hole back-up ring 36 securely.The quantity of cover plate 5 can be at least two, and each cover plate 5 six screws and lower valve body 6 are fixedly connected.
Multi-channel integrated form ABS back axle brake equipment of the present invention, have eight air-path interfaces, wherein control mouth 401 to communicate with upper shell 7, directly output to the first electromagnetic valve 44 and the second electromagnetic valve 45 via the air pressure controlling mouth 401 input, and be positioned at the top of all air-path interfaces; All the other seven air-path interfaces are all positioned at the body of lower valve body 6, and connect with lower valve body 6 direct connection.Wherein admission port 111 is overall admission port, delivery port 211 and delivery port 231 are positioned at the left side of admission port 101, delivery port 211 communicates with delivery port 231 inner passage, and the air pressure of these two interfaces exports and closes and controlled by the first air inlet diaphragm 4 in left side, first row air film sheet 2; Delivery port 221 and delivery port 241 are positioned at the right side of admission port 101, and delivery port 221 and delivery port 241 inner passage communicate, and the air pressure of these two interfaces exports and closes and controlled by the second air inlet diaphragm 13 on right side, second row air film sheet 15.
Multi-channel integrated form ABS back axle brake equipment of the present invention, in left side, below first static iron core assembly 22 is contained in, second dynamic core assembly 21, first air inlet spring 20, first air intake valve 19 is housed above first static iron core assembly 22 respectively, wherein the first air inlet spring 20 and the first dynamic core assembly 21 are fitted together, under initial condition, the admission port of the first air intake valve 19 is blocked by the first dynamic core assembly 21 under the effect of the first air inlet spring 20.First static iron core assembly 22 is equipped with the 6th O shape circle 42 and the 7th O shape circle 43 above, is used as static seal and uses.On right side, second static iron core assembly 26 top loading, second static iron core assembly 26 is equipped with the first dynamic core assembly 27, second row gas spring 24, second row air valve 25 below respectively, wherein second row gas spring 24 and the second dynamic core assembly 27 are fitted together, in an initial condition, the exhausr port of second row air valve 25 is blocked by the second dynamic core assembly 27 under the effect of second row gas spring 24.Second static iron core assembly 26 is equipped with the 6th O shape circle 42 and the 7th O shape circle 43 above, is used as static seal and uses.Structural relation in second electromagnetic valve 45 is identical with the structural relation in the first electromagnetic valve 44, and the first electromagnetic valve 44 and the second electromagnetic valve 45 are installed between upper shell 7 and lower valve body 6, are connected and fixed by four screws.
Multi-channel integrated form ABS back axle brake equipment of the present invention, its detailed description of the invention is: the first air inlet diaphragm 4, second air inlet diaphragm 13, first row air film sheet 2, second row air film sheet 15 are erect placement by (1), shorten the size of length direction, make length direction structure compacter.(2) in order to increase the symmetry of product, first row air film sheet 2 and the first air inlet diaphragm 4 in the vertical direction is made to be arranged on same straight line; Second row air film sheet 15 and the second air inlet diaphragm 13 in the vertical direction are arranged on same straight line.Make the first air inlet diaphragm 4, second air inlet diaphragm 13 in the horizontal direction at same straight line; Make first row air film sheet 2, second row air film sheet 15 in the horizontal direction at same straight line.(3) make first row air film sheet 2, second row air film sheet 15 below the first air inlet diaphragm 4, second air inlet diaphragm 13, to reach the requirement near discharge chamber, reduce exhaust passage length, be conducive to accelerating exhaust response time.(4) piston 8 does not have to design the inner chamber at upper shell 7, and time be designed on the cavity of lower valve body 6, object is the right alignment increasing piston 8 and gland 11, valve 10, because place the inner chamber of the lower valve body 6 of piston 8 and the inner chamber placing gland 11, valve 10, can process with manufacturing procedure during valve body 6 under processing, can right alignment be ensured.(5) in order to reduce usage quantity and the weight of cover plate 5, together with cover plate used with exhaust diaphragm for the air inlet diaphragm of the same side is accomplished, making the quantity originally needing four cover plates 5, only needing two cover plates 5 now.(6) for shortening the size on Width, the electromagnetic valve of the first electromagnetic valve coil 23 and opposite side is placed on after cover plate 5.(7) traditional relay valve and the braking connecting line of ABS electromagnetic valve are connected two ABS regulating controls by the delivery port of a relay valve by tracheae, and the air pressure that ABS regulating control exports connects compressed air brake cylinder, produces brake-pressure.And the present invention is by the design by product structure, layout of two ABS electromagnetic valves and relay valve, saves outer generating tube and connect, improve the response time of product.(8) coupling method of traditional relay valve and ABS electromagnetic valve is by the air inlet diaphragm of the delivery port control ABS electromagnetic valve of relay valve and exhaust diaphragm, such air pressure needs air inlet pressurize, exhaust work while output services, the shortcoming done like this be can not carry out timely pressurizeing, pressurize, exhaust; And the epicoele of the relay valve that the present invention can be controlled by foot brake valves 46 controls mouth and carries out processing work to air inlet film sheet and exhaust diaphragm in advance, can accomplish to pressurize rapidly, pressurize and exhaust work.(9) the present invention is except a control mouth 401, admission port 101, also has the first delivery port 211, second delivery port 221, the 3rd delivery port 231, the 4th delivery port 241, the 5th delivery port 251 and the 6th delivery port 261.Wherein the first delivery port 211 and the 3rd delivery port 231 communicate, and are controlled by the first solenoid control end 61.1 in left side, the second solenoid control end 61.2 in left side, the 3rd solenoid control end 61.3 in left side; Second delivery port 221 and the 4th delivery port 241 communicate, and are controlled by electromagnetic valve first control end 61.1 on right side, electromagnetic valve second control end 61.2 on right side, electromagnetic valve the 3rd control end 61.3 on right side.5th delivery port 251 and the 6th delivery port 261 directly export from relay valve delivery port B district.
The working process of traditional relay valve and ABS electromagnetic valve is that driver steps on foot brake valves 46, air pressure foot brake valves 46 enters relay valve and controls mouth epicoele and promote piston and move down, and pushes valve open and make the air pressure of air receiver 47 prepare output pressure through the delivery port of relay valve to the admission port of air inlet ABS electromagnetic valve from admission port 1 mouthful.Air pressure needs the valve by inner passage, exhaust diaphragm epicoele build-up pressure being blocked exhaust diaphragm place simultaneously, otherwise the air pressure of the delivery port of electromagnetic valve can enter air from the valve port of exhaust diaphragm, just can not set up air pressure.And to being vented diaphragm epicoele build-up pressure and being carry out at the same time point of same chamber to delivery port delivery pressure, such air pressure disperses energy a little, air pressure can have an air pressure to exhausr port before exhaust diaphragm is closed, what cause to compressed air brake cylinder delivery pressure is slow, finally makes the stopping distance of wheel widen.Same problem, when pressurize diaphragm works, electromagnetic valve receives ECU pressurize instruction, now the delivery port of electromagnetic valve has operating air pressure, also because air pressure when pressurize diaphragm epicoele builds pressure is identical with the work chamber of electromagnetic valve delivery port, also a phenomenon that air pressure energy is not enough is had, cause pressurize diaphragm to be closed slightly slow, close front portion gas at pressurize diaphragm and flow to compressed air brake cylinder from the valve port of pressurize diaphragm, easily cause brake locking phenomenon.And multi-channel integrated form ABS back axle brake equipment of the present invention, can solve the problem, the measure taked is before air pressure arrives ABS electromagnetic valve delivery port, closes in advance to exhaust diaphragm.And accept ECU instruction subsequently to air inlet diaphragm, the closedown of exhaust diaphragm air inlet " point is stopped " formula.
Multi-channel integrated form ABS back axle brake equipment of the present invention, its conventional brake control process: pressurization stages: the electromagnetic valve at two ends all no power work in conventional brake, the pressurization stages in suitable abs braking system.Air pressure leads to the first solenoid control end 61.1 in left side, the second solenoid control end 61.2 in left side, the electromagnetic valve Passage Route corresponding to 3rd solenoid control end 61.3 in left side is: driver steps on foot brake valves 46, air pressure enters relay valve from foot brake valves 46 and controls the second static iron core assembly 26 that mouth epicoele (piston 8 epicoele) flows to the first electromagnetic valve 44, the side opening on the second dynamic core assembly 27 side, the epicoele being arrived first row air film sheet 2 by inner passage produces pressure to first row air film sheet 2, the pressure produced and first row air film sheet stage clip 1 act on simultaneously, (first row air film sheet stage clip 1 pressure is less to enter sealing to the valve port at first row air film sheet 2 place, the pressure of self can not seal).Meanwhile, the air pressure of piston 8 epicoele rests on the first position, air intake valve 19 place (for the pressurize action of deceleration of electrons is prepared) under the effect of the dynamic core assembly 21 of the second air inlet spring 20, first.Exhaust diaphragm epicoele build-up pressure time (link is now extremely important simultaneously, exhaust diaphragm closes corresponding valve port in advance), piston 8 moves down the pressure that overcomes Compress Spring 12 and opens valve 10, admission port 101 is made from the passage that valve 10 is opened, to flow to the cavity of resorption B district of piston 8 from the air pressure of air receiver 47, back down the first air inlet diaphragm 4(now the first air inlet diaphragm 4 epicoele without air pressure) and the first air inlet film plate spring 5 make air pressure arrive C1 district, air pressure simultaneously also arrives D1 district and rests on the cavity of resorption of first row air film sheet 2 (inner passage, C1 and D1 district communicates, the direct corresponding delivery port 211 of C1, the direct corresponding delivery port 231 of D1).Air pressure directly outputs to delivery port 211 and delivery port 231 simultaneously, and delivery port 211 and delivery port 231 UNICOM mutually, the air pressure of delivery port outputs to compressed air brake cylinder provides brake-pressure to brake.Because the valve port at first row air film sheet 2 place is closed in advance, so the operation pressure that C1 district, C2 district export to delivery port can not be lost from the valve of first row air film sheet 2.For compressed air brake cylinder provides stable brake-pressure to ensure.It is more than the course of action of left side electromagnetic valve conventional brake.
Right side electromagnetic valve conventional brake process is with identical, and just corresponding dynamic core assembly, static iron core assembly, diaphragm etc. are on the right side of relay valve, and delivery port 211, delivery port 231 have changed delivery port 221, delivery port 241 into.
Multi-channel integrated form ABS back axle brake equipment of the present invention, decompression, packing stage in its deceleration of electrons control process:
Because the principle of deceleration of electrons is: when wheel is close to locking, corresponding wheel brake pressure will be released and period of acceleration maintenance is constant again requiring or record wheel, after again accelerating, progressively increase brake-pressure.Be equivalent to independent " point is stopped " of each wheel.
Decompression phase: the delivery port 211 when system is in pressurization stages, delivery port 231 makes wheel close to locking to the pressure that compressed air brake cylinder exports in the process of braking, ECU can by the wheel speed sensors speed signal of corresponding wheel the first solenoid control end 61.1 to the left, the second solenoid control end 61.2 in left side controls to send depression signal, the first solenoid control end 61.1 in left side, the second solenoid control end 61.2 in left side switches on power and makes magnet coil produce electric suction, the pressure that second dynamic core assembly 27 overcomes second row gas spring 24 is inhaled to the second static iron core assembly 26, passage by the second static iron core assembly 26 is blocked the passage simultaneously opening first row air valve 25.The air pressure of first row air film sheet 2 epicoele flows to discharge chamber by first row air valve 25 and enters air, the air pressure in relay valve delivery port C1 district, D1 district backs down first row air film sheet 2, by the pressure of compressed air brake cylinder by delivery port 211, delivery port 231, first row air film sheet 2 place valve discharged to air, complete decompression work.
Packing stage: meet the requirements when recording vehicle wheel rotational speed and need to keep constant, ECU can the second solenoid control end 61.2 to the left, the 3rd solenoid control end 61.3 in left side sends pressurize signal, the second solenoid control end 61.2 in left side, the 3rd solenoid control end 61.3 in left side switches on power and makes magnet coil produce electric suction, the pressure that first dynamic core assembly 21 overcomes the first air inlet spring 20 is inhaled to the first static iron core assembly 22, the passage of the first static iron core assembly 22 is blocked the passage simultaneously opening the first air intake valve 19, the air pressure arriving piston 8 epicoele from foot brake valves 46 is made to build pressure by the passage of air intake valve 19 at the epicoele of the first air inlet diaphragm 4, the valve closing at diaphragm place by entering together with air inlet film plate spring, make the air pressure in piston 8 cavity of resorption B district not by the conveying air pressure of this valve to electromagnetic valve delivery port, complete pressurize work.The pressurize action of above air inlet diaphragm, the decompression action of exhaust diaphragm, it is all the speed signal sent to ECU according to wheel wheel speed sensors, after ECU process, corresponding action command is sent to the corresponding controling end of electromagnetic valve, to complete the action of ABS electric brake.
After brake process terminates, driver discharges foot brake valves 46, and the air pressure of piston 8 epicoele enters air by the exhausr port of pin valve, air pressure is reduced rapidly to such an extent as to is not enough to overcome the pressure of Compress Spring 12.The valve port of gland 11 is blocked by this forced under pressure at Compress Spring 12 valve 10 alive, and the air pressure of air receiver 47 can not enter delivery port.This enters delivery port C1 district, the air pressure in C2 district backs down the first air inlet diaphragm 4, second air inlet diaphragm 13 respectively, and discharge from discharge chamber through B district, braking procedure terminates.
No matter be increase stage, packing stage and decompression phase, the epicoele that the relay valve that two ends electromagnetic valve, two air inlet diaphragms and the air pressure of two exhausts needed for diaphragm inner passage are all controlled by pin valve at work controls piston 8 inside mouth provides, (this is also with tradition " relay valve and ABS electromagnetic valve " to ABS electromagnetic valve one of difference part for pneumatic control, and the present invention is controlled by control mouth 401 pairs of ABS electromagnetic valves and air inlet diaphragm, exhaust membrane; Lean on the delivery port of relay valve to control to ABS electromagnetic valve and air inlet diaphragm, the control that be vented diaphragm in tradition " relay valve and ABS electromagnetic valve ", instead of control mouth 401.The air-path interface controlling mouth 401 is the fast interfaces in VOSS230M16 × 1.5, and the smallest passage diameter of this interface is Φ 5mm.The minimum passage aperture of whole gas circuit is the aperture of the first air intake valve 19, second air intake valve 28 is Φ 1.5mm, and the aperture of first row air valve 25, second row air valve 28 is Φ 2.0mm.Through air intake valve, drain tap lead to air inlet diaphragm epicoele, exhaust diaphragm epicoele whole channel volume very little, can ensure to greatest extent like this through air intake valve, drain tap epicoele build the pressure time.And carrying out being energized with the handoff procedure that discharge at dynamic core assembly, through the air pressure fluctuation that Φ 1.5mm and Φ 2.0mm produces, can be that the Large Copacity air pressure of Φ 5mm supplements timely by arriving relay valve control mouth 401 diameter through foot brake valves 46.Through detecting product experiment of the present invention, verify that this fluctuation has no effect, in static response, control the response pressure also free of losses of mouth.
The screw thread of admission port 101 and delivery port adopts the fast interface of VOSS230M22 × 1.5, and the fast passage aisle aperture of this interface is Φ 10mm.In order to increase the gas flow of air inlet and output, the aperture, main channel of Φ 7mm in former ABS electromagnetic valve being redesigned the passage aperture for Φ 10mm, adds pipeline system flow.
Multi-channel integrated form ABS back axle brake equipment of the present invention, its function realized is: (1), in ABS system, calls control channel the brake piping that independently can carry out brake-pressure adjustment.If the brake-pressure of certain wheel takies a control channel and can regulate separately, be then referred to as independent control or single-wheel control.When a so-called passage is exactly the actuating signal of one of them electromagnetic valve reception ECU, that passage had influence on.As shown in Figure 2, in back axle list bridge module controls, the first delivery port 211, second delivery port 231 is controlled by the first solenoid control end 61.1 in left side, the second solenoid control end 61.2 in left side, the 3rd solenoid control end 61.3 in left side, and the second delivery port 221, the 4th delivery port 241 are controlled by electromagnetic valve first control end 61.1 on right side, electromagnetic valve second control end 61.2 on right side, electromagnetic valve the 3rd control end 61.3 on right side.Because be two wheels on same bridge, so need all the other mouths except the first delivery port 211 and the second delivery port 221 to block, only leave the first delivery port 211 and the second delivery port 221 as output.In when automobile travels on the road surface that left and right adhesion value is different, this structure can carry out independent control to both sides wheel respectively.(1) if the brake-pressure of two wheels together carries out regulating (jointly taking a control channel of ECU, being then referred to as to control or together control simultaneously.First delivery port 211 is connected in inside with the 4th delivery port 241 with the 3rd delivery port 231, second delivery port 221.In Rear Double bridge module controls, the first delivery port 211 and the 3rd delivery port 231 are controlled by the first solenoid control end 61.1 in left side, the second solenoid control end 61.2 in left side, the 3rd solenoid control end 61.3 in left side, second delivery port 221 and the 4th delivery port 241 are controlled by electromagnetic valve first control end 61.1 on right side, electromagnetic valve second control end 61.2 on right side, electromagnetic valve the 3rd control end 61.3 on right side, only the 5th delivery port 251 and the 6th delivery port 261 need be blocked.Lead to the gas flow of two wheels in order to ensure and improve air pressure respectively through this module, at former ABS electromagnetic valve internal main channel diameter be Φ 7mm basis on bring up to Φ 10mm, be equivalent to area of passage and be doubled.Through checking, properties of product are quite reliable.The 6S/6M pilot piping that four-way controls in 6 × 4 common vehicles can be carried out, because this module directly can only export two control channels, so another two passage need external two independently ABS electromagnetic valves to trailing wheel.First delivery port 211 and the second delivery port 221 have individually connect an ABS electromagnetic valve at the delivery port 251 of module and delivery port 261 respectively, when it can travel on different adhesion value road surface four wheels, carry out independent control.
Multi-channel integrated form ABS back axle brake equipment of the present invention, as shown in Figure 3, has 8 air-path interfaces, and wherein upper shell 7 has one 401 control mouth above, and lower valve body 6 has 6 air-path interfaces above.In lower valve body 6,101 admission ports and 401 mouthfuls are on the same axis, and the first delivery port 211 and the 3rd delivery port 231 are in the left side of 101 admission ports, and the first delivery port 211 communicates with the 3rd delivery port 231.Second delivery port 221 and the 4th delivery port 241 are on the right side of 101 admission ports, and the second delivery port 221 communicates with the 4th delivery port 241.5th delivery port 251 and the 6th delivery port 261 are below 101 admission ports, and the 5th delivery port 251 communicates with the 6th delivery port 261.
Claims (10)
1. a multi-channel integrated form ABS back axle brake equipment, comprise exhaust diaphragm, exhaust membrane plate spring, air inlet diaphragm and air inlet film plate spring, it is characterized in that: exhaust membrane plate spring is arranged on the epicoele position of exhaust diaphragm, and air inlet film plate spring is arranged on the epicoele position of air inlet diaphragm; Be provided with cover plate (5) above exhaust diaphragm, exhaust membrane plate spring, air inlet diaphragm and air inlet film plate spring, cover plate (5) fixes with lower valve body (6) and connects; Be provided with upper shell (7) above lower valve body (6), between lower valve body (6) and upper shell (7), be provided with piston (8); Piston (8) is arranged with O shape circle (37), the 3rd O type circle (39) is installed between upper shell (7) and piston (8), the 2nd O type circle (38) is installed between lower valve body (6) and upper shell (7); Spring perch (9) is provided with below piston (8); Spring perch (9) is provided with Compress Spring (12), the top of Compress Spring (12) is provided with valve (10), and the top of valve (10) is provided with gland (11), and gland (11) is provided with hole back-up ring (36); Electromagnetic valve is provided with between upper shell (7) and lower valve body (6).
2. multi-channel integrated form ABS back axle brake equipment as claimed in claim 1, is characterized in that: exhaust membrane plate spring comprises first row air film plate spring (1) and second row air film plate spring (16).
3. multi-channel integrated form ABS back axle brake equipment as claimed in claim 2, is characterized in that: exhaust diaphragm comprises first row air film sheet (2) and second row air film sheet (15).
4. multi-channel integrated form ABS back axle brake equipment as claimed in claim 3, is characterized in that: air inlet film plate spring comprises the first air inlet film plate spring (3) and the second air inlet film plate spring (14).
5. multi-channel integrated form ABS back axle brake equipment as claimed in claim 4, is characterized in that: air inlet diaphragm comprises the first air inlet diaphragm (4) and the second air inlet diaphragm (13).
6. multi-channel integrated form ABS back axle brake equipment as claimed in claim 5, is characterized in that: first row air film plate spring (1) is arranged on the epicoele leftward position place of first row air film sheet (2).
7. multi-channel integrated form ABS back axle brake equipment as claimed in claim 6, is characterized in that: second row air film plate spring (16) is arranged on the epicoele right positions place of second row air film sheet (15).
8. multi-channel integrated form ABS back axle brake equipment as claimed in claim 7, is characterized in that: the first air inlet film plate spring (3) is arranged on the epicoele leftward position place of the first air inlet diaphragm (4).
9. multi-channel integrated form ABS back axle brake equipment as claimed in claim 8, is characterized in that: the second air inlet film plate spring (14) is arranged on the epicoele right positions place of the second air inlet diaphragm (13).
10. multi-channel integrated form ABS back axle brake equipment as claimed in claim 9, is characterized in that: be provided with cover plate (5) above the first air inlet film plate spring (3) and first row air film plate spring (1).
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| CN201610004871.XA CN105501203A (en) | 2016-01-04 | 2016-01-04 | Multi-channel integrated type ABS (Anti-lock Braking System) rear axle braking device |
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| CN201610004871.XA CN105501203A (en) | 2016-01-04 | 2016-01-04 | Multi-channel integrated type ABS (Anti-lock Braking System) rear axle braking device |
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| CN201610004871.XA Pending CN105501203A (en) | 2016-01-04 | 2016-01-04 | Multi-channel integrated type ABS (Anti-lock Braking System) rear axle braking device |
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| CN106218617A (en) * | 2016-08-24 | 2016-12-14 | 瑞立集团瑞安汽车零部件有限公司 | A kind of multichannel integrated form ABS back axle brake module |
| CN107740870A (en) * | 2017-10-27 | 2018-02-27 | 瑞立集团瑞安汽车零部件有限公司 | A kind of magnetic valve |
| CN108327697A (en) * | 2018-03-14 | 2018-07-27 | 瑞立集团瑞安汽车零部件有限公司 | A kind of integrated form EBS rear axle brake apparatus |
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