CN107176154B - Commercial vehicle combined type feather valve - Google Patents
Commercial vehicle combined type feather valve Download PDFInfo
- Publication number
- CN107176154B CN107176154B CN201710422551.0A CN201710422551A CN107176154B CN 107176154 B CN107176154 B CN 107176154B CN 201710422551 A CN201710422551 A CN 201710422551A CN 107176154 B CN107176154 B CN 107176154B
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- Prior art keywords
- valve body
- valve
- outlet
- pressure release
- channel
- Prior art date
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Links
- 210000003746 feather Anatomy 0.000 title claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 34
- 238000001914 filtration Methods 0.000 claims abstract description 33
- 239000002808 molecular sieve Substances 0.000 claims abstract description 25
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 25
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 29
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000005336 cracking Methods 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 206010060904 Freezing phenomenon Diseases 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
- B60T15/02—Application and release valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Transportation (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
- Details Of Valves (AREA)
Abstract
The present invention relates to the air valve fields of commercial vehicle braking system, disclose commercial vehicle combined type feather valve.Filter (2) are provided in valve body (1), valve body (1) includes the upper valve body (11) being vertically connected with and lower valve body (12), the side of lower valve body (12) is provided with intake interface (121), outlet interface (122) and the outlet chamber (123) for connecting outlet interface (122), the first inlet channel (13) are provided in upper valve body (11), the upper surface of upper valve body (11) is provided with the installation cavity (14) through its lower end surface, filter (2) is mounted in installation cavity (14), filter (2) includes upper installation end cap (3), molecular sieve filtration net (4) and pedestal (5)；Valve body (1) offers blowback channel simultaneously.The present apparatus can not only carry out simple pressure release movement, while can be filtered to compressed air and condensation draining.And compressed air, by realizing filtering inside filter screen outward, filtering accuracy is higher.
Description
Technical field
The present invention relates to the air valve fields of commercial vehicle braking system, more particularly to commercial vehicle combined type feather valve.
Background technique
Currently, more and more flourishing, energetically welcome of the commercial vehicle by market, with commercial vehicle of transportation logistics industry therewith
Use environment it is different, so needing to propose higher requirement to the braking system of commercial vehicle.Under normal circumstances.Feather valve
Independent filtering tank is not provided in gas circuit, so compressed air is not condensed adequately when entering in braking pneumatic circuit
Bleed, while a large amount of impurity are carried in air, affect the service life of subsequent braking original part.Using knockdown feather valve,
A filter is simply typically just connect in the outside of feather valve, although filtering function can be played, entire feather valve
Globality and intensity it is poor, filter cannot be effectively protected not to be influenced by the external world, while the service life of filter is shorter.
Summary of the invention
The present invention aiming at the problems existing in the prior art, provides commercial vehicle combined type feather valve.
In order to solve the above technical problems, the present invention is addressed by following technical proposals:
Commercial vehicle combined type feather valve, including valve body are provided with filter in valve body, and valve body includes the upper valve being vertically connected with
Body and lower valve body, the side of lower valve body is provided with intake interface, outlet interface and the outlet chamber for connecting outlet interface, in upper valve body
It is provided with the first inlet channel, the upper surface of upper valve body is provided with the installation cavity through its lower end surface, and filter is mounted on installation
Intracavitary, filter includes upper installation end cap, molecular sieve filtration net and pedestal；
Pedestal upper surface is provided with sealing shroud, and sealing shroud is located at the outside of molecular sieve filtration net；The lower end surface of pedestal is arranged
There is a boss, pedestal upper surface is arranged fluted and venthole, and the shape of groove is inverted rotary table, and the bottom of groove is provided with the
One pressure release passage；Venthole is arranged between sealing shroud and molecular sieve filtration net；
Upper installation end cap is internally provided with the second inlet channel, and the second inlet channel is connected to the first inlet channel, and second
The inlet end of inlet channel is provided with the side of installation end cap, and the lower end surface of upper installation end cap, outlet side is arranged in outlet side
Lower part is provided with the first check valve, and the first check valve is located at the inside of molecular sieve filtration net, and the first check valve includes first unidirectional
Valve body, the first spool and the first spring, the first spool are contradicted single in the outlet side of the second inlet channel, first by the first spring
Gas vent is offered to the side wall of valve body；Gas operated device is provided with around first check valve body, gas operated device includes air storing cavity
The exhaust passage being connected to with air storing cavity is provided with the partition for gas convolution between air storing cavity and exhaust passage；
The second pressure release passage that lower valve body upper surface is provided with mounting groove and is arranged in below mounting groove, the interior setting of mounting groove
There is relief tube, relief tube cooperation is inserted in the first pressure release passage；First pressure release passage passes through relief tube and the second pressure release passage
It is connected to, second one-way valve is provided in the second pressure release passage, second one-way valve includes the second bullet being arranged in the second pressure release passage
Spring, one end of second spring are connected with the second spool other end and are connected with the first adjusting knob, on the side wall of the second pressure release passage
It is provided with third pressure release passage, the lower end surface of lower valve body is arranged in the gas outlet of third pressure release passage；The upper surface of second spool
The second pressure release passage is sealed, the side of the second spool seals third pressure release passage；
The upper surface of lower valve body offers the first outlet passageway, and the first outlet passageway is connected to venthole；First outlet is logical
Road is connected to outlet chamber, and third check valve is provided in outlet chamber, and third check valve includes that the first outlet passageway is arranged in
Three springs, one end of third spring are connected with the third spool other end and are connected with the second adjusting knob, and the side of third spool is set
It is equipped with the second outlet passageway, the second outlet passageway and outlet orifice, it is logical that the up and down motion of third spool controls the first outlet
The connection in road and the second outlet passageway；
The first blowback channel is offered on the side wall of second outlet passageway, the upper end of lower valve body is run through in the first blowback channel
Face, the lower end surface of upper valve body offer the second blowback channel, and the second blowback channel is connected to the first blowback channel, and the second blowback is logical
It is single that road is provided with the 4th in the space through sealing shroud connection molecular sieve filtration net and installation set, the second blowback channel
To valve, the 4th check valve includes the valve rod of the 4th spool of the 4th spool and connection, is cased with the 4th spring on valve rod, sets in installation set
It is equipped with the connecting hole passed through for the second blowback channel, is provided with support plate in connecting hole, one end of valve rod is provided with supporting block, the
One end of four springs contradicts on the supporting plate, and the other end contradicts in supporting block, and the 4th spool passes through the 4th spring sealed connection
The inner face in hole is provided with venthole in supporting block.
Preferably, upper valve body is provided with third blowback channel, third blowback channel is connected to the second blowback channel, the
Three blowback channels are used to connect extraneous blowback gas receiver.Effectively molecular sieve filtration net can be filtered.By external
Blowback gas receiver timely can carry out blowback cleaning to molecular sieve filtration net, to increase the service life of strainer.
Preferably, further including heating device, the material of sealing shroud is copper, is equipped between sealing shroud and the inner wall of installation cavity
Sealing ring, sealing shroud are connect by power supply line with heating device.When weather cold, by being heated to sealing shroud,
And then increase the intracorporal temperature of valve, so that the gas temperature entered be made to increase, entire pipeline is heated, its appearance is prevented
The phenomenon that freezing.
Preferably, exhaust passage is communicated with exhaust outlet, the number of exhaust outlet is no less than two and arranges along the vertical direction,
Multiple exhaust outlets are stablized when enabling to gas that exhaust outlet is discharged, reduce it and locally damage to filter screen, and filter screen is extended
Service life.
Preferably, second one-way valve is identical with the cracking pressure of the 4th check valve, the first check valve and third check valve
Cracking pressure be second one-way valve cracking pressure 1/10th, the first check valve and third check valve play buffering to air inlet
Effect, the rapid opening and closing for reducing gas damages braking component, while can reduce noise.
The present invention by adopting the above technical scheme, has the advantages that
(1) present apparatus can not only carry out simple pressure release movement, while can compressed air is filtered and be condensed
Bleed.And compressed air, by realizing filtering inside filter screen outward, filtering accuracy is higher.It is set by carrying out structure to valve body
Meter makes the two realize integrative design, improves the service life of filter and feather valve.
(2) various components of filter are designed, while the pedestal of filter is designed, make filter and valve
Cooperation facilitates close between body, conveniently repairs the replacement with components.Pedestal is cooperated by way of being mutually fitted into
It ensure that leakproofness.The groove of pedestal setting rounding mesa-shaped can be such that magazine and water is assembled in pressure release passage, thus convenient
It is discharged.
(3) gas operated device is arranged in air inlet, can carry out convolution processing to gas to keep gas more equal in outlet
Even, uniform gas can reduce the impact to strainer medial surface, to make strainer longer life expectancy.
(4) blowback circuit is set, effectively can carry out blowback flushing by the inner surface to strainer, prevent from working long hours
Or when working in the presence of a harsh environment, the impurity of screen surface excessively influences the rate of filtration and filtering accuracy of air, by letting out
The exhaust for pressing through journey carries out conventional blowback and rinses, when needing in case of emergency to rinse, be able to use blowback gas receiver into
Row blowback.
(5) first check valves and third check valve play buffer function to air inlet, reduce the rapid opening and closing of gas to system
Dynamic component damages, while can reduce noise.
(6) when weather cold, by heating to sealing shroud, and then increase the intracorporal temperature of valve, thus
Increase the gas temperature entered, the phenomenon that heating to entire pipeline, prevent it from freezing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of feather valve；
Fig. 2 is the partial enlarged view of Fig. 1.
The corresponding title of appended drawing reference is as follows in figure: 1 one valve bodies, 2 one filters, 11 1 upper valve bodies, 12 1 lower valve bodies,
121 1 intake interfaces, 123 1 outlet chambers, the 13 one the first inlet channels, 14 1 installation cavitys, are installed on 3 one 122 1 outlet interfaces
End cap, 4 one molecular sieve filtration nets, 5 one pedestals, 51 1 sealing shrouds, 52 1 boss, 53 1 grooves, 54 1 ventholes, 55 one the first
Pressure release passage, the 31 one the second inlet channels, the 6 one the first check valves, the 61 one the first check valve bodies, the 62 one the first spools, 63 one the
One spring, 64 1 gas vents, 65 1 gas operated devices, 651 1 air storing cavities, 652 1 exhaust passages, 653 1 partitions, 124 1 installations
Slot, the 125 one the second pressure release passages, 126 1 relief tubes, 7 one second one-way valves, 72 1 second springs, the 73 one the second spools, 74 1
First adjusting knob, 120 1 third pressure release passages, the 127 one the first outlet passageways, 8 one third check valves, 82 1 third springs,
It is 83 1 third spools, the 84 one the second adjusting knobs, the 128 one the second outlet passageways, the 129 one the first blowback channels, 111 one the second anti-
Blow channel, 9 one the 4th check valves, 91 1 the 4th spools, 92 1 valve rods, 93 1 the 4th springs, 511 1 connecting holes, 512 1 supports
Plate, 94 1 supporting blocks, 941 1 ventholes, 15 1 third blowback channels, 16 1 heating devices, 655 1 exhaust outlets.
Specific embodiment
Present invention is further described in detail with embodiment with reference to the accompanying drawing.
Embodiment 1
As depicted in figs. 1 and 2, commercial vehicle combined type feather valve, including valve body 1 are provided with filter 2, valve body in valve body 1
1 includes that the upper valve body 11 being vertically connected with and lower valve body 12, the side of lower valve body 12 are provided with intake interface 121, outlet interface 122
With the outlet chamber 123 of connection outlet interface 122, the first inlet channel 13, the upper surface of upper valve body 11 are provided in upper valve body 11
Be provided with the installation cavity 14 through its lower end surface, filter 2 is mounted in installation cavity 14, filter 2 include upper installation end cap 3,
Molecular sieve filtration net 4 and pedestal 5；
5 upper surface of pedestal is provided with sealing shroud 51, and sealing shroud 51 is located at the outside of molecular sieve filtration net 4；The lower end of pedestal 5
Face is provided with boss 52,5 upper surface of pedestal setting fluted 53 and venthole 54, and the shape of groove 53 is inverted rotary table, recessed
The bottom of slot 53 is provided with the first pressure release passage 55；Venthole 54 is arranged between sealing shroud 51 and molecular sieve filtration net 4；
Upper installation end cap 3 is internally provided with the second inlet channel 31, and the second inlet channel 31 and the first inlet channel 13 connect
Logical, the inlet end of the second inlet channel 31 is provided with the side of installation end cap 3, and outlet side is arranged under upper installation end cap 3
End face, outlet side lower part are provided with the first check valve 6, and the first check valve 6 is located at the inside of molecular sieve filtration net 4, and first is unidirectional
Valve 6 includes the first check valve body 61, the first spool 62 and the first spring 63, and the first spool 62 is contradicted by the first spring 63 the
The side wall of the outlet side of two inlet channels 31, the first check valve body 61 offers gas vent 64；Around first check valve body 61
It is provided with gas operated device 65, gas operated device 65 includes air storing cavity 651 and the exhaust passage 652 being connected to air storing cavity 651, air storing cavity
The partition 653 for gas convolution is provided between 651 and exhaust passage 652；
The second pressure release passage 125 that 12 upper surface of lower valve body is provided with mounting groove 124 and is arranged in below mounting groove 124,
Relief tube 126 is provided in mounting groove 124, the cooperation of relief tube 126 is inserted in the first pressure release passage 55；First pressure release passage 55
It is connected to by relief tube 126 with the second pressure release passage 125, second one-way valve 7 is provided in the second pressure release passage 125, second is single
To the second spring 72 that valve 7 includes in the second pressure release passage 125 of setting, it is another that one end of second spring 72 is connected with the second spool 73
One end is connected with the first adjusting knob 74, is provided with third pressure release passage 120 on the side wall of the second pressure release passage 125, third is let out
The lower end surface of lower valve body 12 is arranged in the gas outlet of pressure passageway 120；The upper surface of second spool 73 seals the second pressure release passage
125, the side of the second spool 73 seals third pressure release passage 120；
The upper surface of lower valve body 12 offers the first outlet passageway 127, and the first outlet passageway 127 is connected to venthole 54；
First outlet passageway 127 is connected to outlet chamber 123, and third check valve 8 is provided in outlet chamber 123, and third check valve 8 includes setting
The third spring 82 in the first outlet passageway 127 is set, one end of third spring 82 is connected with 83 other end of third spool and is connected with
Second adjusting knob 84, the side of third spool 83 are provided with the second outlet passageway 128, and the second outlet passageway 128 connects with outlet
Mouth 122 is connected to, up and down motion the first outlet passageway 127 of control of third spool 83 and being connected to for the second outlet passageway 128；
The first blowback channel 129 is offered on the side wall of second outlet passageway 128, lower valve is run through in the first blowback channel 129
The upper surface of body 12, the lower end surface of upper valve body 11 offer the second blowback channel 111, the second blowback channel 111 and the first blowback
Channel 129 is connected to, and the second blowback channel 111 is across the sky being connected to molecular sieve filtration net 4 and installation set through sealing shroud 51
Between, the 4th check valve 9 is provided in the second blowback channel 111, the 4th check valve 9 includes the 4th spool of the 4th spool 91 and connection
91 valve rod 92 is cased with the 4th spring 93 on valve rod 92, the connecting hole passed through for the second blowback channel 111 is provided in installation set
511, support plate 512 is provided in connecting hole 511, and one end of valve rod 92 is provided with supporting block 94, and one end of the 4th spring 93 is supported
In support plate 512, the other end is contradicted in supporting block 94 for touching, and the 4th spool 91 seals connecting hole 511 by the 4th spring 93
Inner face, be provided with venthole 941 in supporting block 94.
Upper valve body 11 is provided with third blowback channel 15, and third blowback channel 15 is connected to the second blowback channel 111, the
Three blowback channels 15 are used to connect extraneous blowback gas receiver.It further include heating device 16, the material of sealing shroud 51 is copper, sealing
Sealing ring is equipped between set 51 and the inner wall of installation cavity 14, sealing shroud 51 is connect by power supply line with heating device 16.
Exhaust passage 652 is communicated with exhaust outlet 655, and a numerical digit 3 of exhaust outlet 655 arrange along the vertical direction, and second is single
Identical with the cracking pressure of the 4th check valve 9 to valve 7, the cracking pressure of the first check valve 6 and third check valve 8 is second unidirectional
/ 10th of 7 cracking pressure of valve.
The present apparatus in actual moving process, compressed air by intake interface 121 enter it is upper installation end cap 3 second into
Gas channel 31, then pass through the first check valve 6 and gas operated device 65 into the inside of molecular sieve filtration net 4；Pass through molecular sieve filtration
Compressed air enters the first outlet passageway 127 by gas outlet 54 after net 4 filters, and goes out entering second by third check valve 8
Behind gas channel 128, by outlet interface 12 enter braking air accumulator in, when the pressure of braking system reach certain numerical value need into
When row pressure release, compressed air is opened second one-way valve 7 and is exhausted, while the air in outlet chamber 123 opens the 4th check valve 9
Enter the inside of molecular sieve filtration net 4 from the outside of molecular sieve filtration net 4, while taking away and being attached to 4 Intranet of molecular sieve filtration net
The sundries and liquid in face realize blowback cleaning.
When the temperature is low, heating device 16 heats sealing shroud, to heat valve body, the temperature of compressed air passes through valve body
It gets higher.Component to be entire braking system is not in freezing phenomenon.When needing urgent reverse blowing disposal, open anti-
Air accumulator is blown, blowback is carried out by third blowback channel 129.
In maintenance process, successively dismantles installation end cap 3, molecular sieve filtration net 4 and pedestal 5 and carry out upkeep operation.
In short, the foregoing is merely presently preferred embodiments of the present invention, it is all according to equalization made by scope of the present invention patent
Variation and modification, shall all be covered by the patent of the invention.
Claims (5)
1. commercial vehicle combined type feather valve, including valve body (1), it is characterised in that: be provided with filter (2), valve body in valve body (1)
(1) include the upper valve body (11) being vertically connected with and lower valve body (12), the side of lower valve body (12) be provided with intake interface (121),
Outlet interface (122) and the outlet chamber (123) for connecting outlet interface (122), upper valve body (11) is interior to be provided with the first inlet channel
(13), the upper surface of upper valve body (11) is provided with the installation cavity (14) through its lower end surface, and filter (2) is mounted on installation cavity
(14) in, filter (2) includes upper installation end cap (3), molecular sieve filtration net (4) and pedestal (5)；
Pedestal (5) upper surface is provided with sealing shroud (51), and sealing shroud (51) is located at the outside of molecular sieve filtration net (4)；Pedestal (5)
Lower end surface be provided with boss (52), fluted (53) and venthole (54), the shape of groove (53) is arranged in pedestal (5) upper surface
For inverted rotary table, the bottom of groove (53) is provided with the first pressure release passage (55)；Venthole (54) is arranged in sealing shroud (51)
Between molecular sieve filtration net (4)；
Upper installation end cap (3) is internally provided with the second inlet channel (31), the second inlet channel (31) and the first inlet channel
(13) it is connected to, the inlet end of the second inlet channel (31) is provided with the side of installation end cap (3), and outlet side is arranged in upper installation
The lower end surface of end cap (3), outlet side lower part are provided with the first check valve (6), and the first check valve (6) is located at molecular sieve filtration net
(4) inside, the first check valve (6) include the first check valve body (61), the first spool (62) and the first spring (63), the first valve
Core (62) is contradicted by the first spring (63) in the outlet side of the second inlet channel (31), and the side wall of the first check valve body (61) is opened
Equipped with gas vent (64)；It is provided with around first check valve body (61) gas operated device (65), gas operated device (65) includes gas storage
Chamber (651) and the exhaust passage (652) being connected to air storing cavity (651), are arranged between air storing cavity (651) and exhaust passage (652)
There is the partition (653) for gas convolution；
The second pressure release passage that lower valve body (12) upper surface is provided with mounting groove (124) and is arranged below mounting groove (124)
(125), it is provided with relief tube (126) in mounting groove (124), relief tube (126) cooperation is inserted in the first pressure release passage (55)；
First pressure release passage (55) is connected to by relief tube (126) with the second pressure release passage (125), is set in the second pressure release passage (125)
Be equipped with second one-way valve (7), second one-way valve (7) include setting the second pressure release passage (125) in second spring (72), second
One end of spring (72) is connected with the second spool (73) other end and is connected with the first adjusting knob (74), the second pressure release passage
(125) it is provided on side wall third pressure release passage (120), the gas outlet of third pressure release passage (120) is arranged in lower valve body
(12) lower end surface；The upper surface of second spool (73) seals the second pressure release passage (125), the side sealing of the second spool (73)
Third pressure release passage (120)；
The upper surface of lower valve body (12) offers the first outlet passageway (127), and the first outlet passageway (127) and venthole (54) are even
It is logical；First outlet passageway (127) is connected to outlet chamber (123), is provided with third check valve (8), third list in outlet chamber (123)
It include third spring (82) of the setting in the first outlet passageway (127) to valve (8), one end of third spring (82) is connected with third
Spool (83) other end is connected with the second adjusting knob (84), and the side of third spool (83) is provided with the second outlet passageway
(128), the second outlet passageway (128) is connected to outlet interface (122), and the up and down motion of third spool (83) controls the first outlet
Channel (127) is connected to the second outlet passageway (128)；
The first blowback channel (129) is offered on the side wall of second outlet passageway (128), under the first blowback channel (129) is run through
The upper surface of valve body (12), the lower end surface of upper valve body (11) offer the second blowback channel (111), the second blowback channel (111)
It is connected to the first blowback channel (129), the second blowback channel (111), which is passed through, is connected to molecular sieve filtration net through sealing shroud (51)
(4) space between installation set, the second blowback channel (111) is interior to be provided with the 4th check valve (9), the 4th check valve (9) packet
It includes the 4th spool (91) and connects the valve rod (92) of the 4th spool (91), be cased with the 4th spring (93), installation set on valve rod (92)
On be provided with the connecting hole (511) passed through for the second blowback channel (111), is provided with support plate (512) in connecting hole (511),
One end of valve rod (92) is provided with supporting block (94), and one end of the 4th spring (93) contradicts on support plate (512), and the other end supports
Touching is on supporting block (94), inner face of the 4th spool (91) by the 4th spring (93) sealing connecting hole (511), supporting block
(94) venthole (941) are provided on.
2. commercial vehicle combined type feather valve according to claim 1, it is characterised in that: upper valve body (11) is provided with third
Blowback channel (15), third blowback channel (15) are connected to the second blowback channel (111), and third blowback channel (15) is for connecting
Extraneous blowback gas receiver.
3. commercial vehicle combined type feather valve according to claim 1, it is characterised in that: it further include heating device (16), it is close
The material of big envelope (51) is copper, and sealing ring is equipped between sealing shroud (51) and the inner wall of installation cavity (14), and sealing shroud (51) passes through
Power supply line is connect with heating device (16).
4. commercial vehicle combined type feather valve according to claim 1, it is characterised in that: exhaust passage (652) row of being communicated with
The number of port (655), exhaust outlet (655) is no less than two and arranges along the vertical direction.
5. commercial vehicle combined type feather valve according to claim 1, it is characterised in that: second one-way valve (7) and the 4th list
Cracking pressure to valve (9) is identical, and the cracking pressure of the first check valve (6) and third check valve (8) is that second one-way valve (7) are opened
Open 1/10th of pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710422551.0A CN107176154B (en) | 2017-06-07 | 2017-06-07 | Commercial vehicle combined type feather valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710422551.0A CN107176154B (en) | 2017-06-07 | 2017-06-07 | Commercial vehicle combined type feather valve |
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| Publication Number | Publication Date |
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| CN107176154A CN107176154A (en) | 2017-09-19 |
| CN107176154B true CN107176154B (en) | 2019-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710422551.0A Active CN107176154B (en) | 2017-06-07 | 2017-06-07 | Commercial vehicle combined type feather valve |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107989838A (en) * | 2017-10-26 | 2018-05-04 | 浙江科力车辆控制***有限公司 | Commercial car unloading valve |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4320622A (en) * | 1978-08-17 | 1982-03-23 | Lucas Industries Limited | Pump unloader and accumulator charging valve |
| CN2347018Y (en) * | 1998-05-28 | 1999-11-03 | 侯慧忠 | Automobile multifunctional laying off valve |
| US20040007824A1 (en) * | 2001-07-13 | 2004-01-15 | Durham Kevin Patrick | Elastomeric sealing element for gas compressor valve |
| CN201086711Y (en) * | 2007-09-07 | 2008-07-16 | 山东明水汽车配件厂 | Unloading valve |
| CN204447691U (en) * | 2014-12-30 | 2015-07-08 | 浙江科力车辆控制***有限公司 | A kind of Novel two-stage Electromagnetic Control air dryer |
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