CN217056287U

CN217056287U - Parking module

Info

Publication number: CN217056287U
Application number: CN202123044948.1U
Authority: CN
Inventors: 邹小燕; 卞立桃; 胡翀瑕
Original assignee: Ningbo Kunyi Pneumatic Technology Co ltd
Current assignee: Ningbo Kunyi Pneumatic Technology Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-07-26
Anticipated expiration: 2031-12-07

Abstract

The utility model discloses a parking module, which comprises a valve body and a button component, wherein the valve body is provided with a first valve cavity, a second valve cavity and a passage communicating the first valve cavity and the second valve cavity, the valve body is provided with an air inlet P and an air outlet R communicated with the first valve cavity and an air outlet A communicated with the second valve cavity, two ends of the valve body are provided with a first valve block and a second valve block, the first valve block is provided with a pilot head component I corresponding to the first valve cavity and a pilot head component II corresponding to the second valve cavity, the second valve block is provided with a pilot head component III corresponding to the first valve cavity and a pilot head component IV corresponding to the second valve cavity, the first valve block or/and the valve body are formed with a containing cavity, a mandril component and an elastic component which are used for jacking a corresponding movable iron core are arranged in the containing cavity, the valve body is provided with a first air guide channel communicating the air inlet P and a second air guide channel communicating the containing cavity, the button component is used for communicating or cutting off the first air guide channel and the second air guide channel, and the integrated valve body is adopted, so that the structure is compact, and the manufacturing cost and the assembly cost are greatly reduced.

Description

Parking module

Technical Field

The utility model relates to a technical field of parking module, in particular to parking module.

Background

The parking module is used for vehicles such as buses, through control element control under the state of normally traveling, accessible button realization manual parking when taking place emergency, and traditional parking module is assembled on the cylinder manifold through a plurality of valve bodies, and this structure has following shortcoming:

1. the parking module consisting of the valve bodies has larger volume and heavier mass, not only has high manufacturing and processing cost, but also has higher packaging and transportation cost;

2. a plurality of valve body seal assembly not only assemble comparatively loaded down with trivial details to the cylinder manifold, and every junction all probably appears leaking gas the phenomenon.

It is therefore desirable to design a parking module that is more compact, integrated and less expensive to manufacture.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a parking module, it adopts the integral type valve body, and the integrated level is higher, and the structure is compacter, greatly reduced manufacturing cost and assembly cost, required sealing member still less after the structure simplification simultaneously, can effectively reduce the emergence of gas leakage phenomenon.

The above technical object of the present invention can be achieved by the following technical solutions: a parking module comprises a valve body and a button assembly arranged on the valve body,

the valve body is provided with a first valve cavity and a second valve cavity for accommodating a valve rod, the valve body is provided with an air inlet P and an air outlet R which are communicated with the first valve cavity, and an air outlet A and a universal port B which are communicated with the second valve cavity, the valve body is provided with a first valve cavity and a second valve cavity channel, one end of the valve body is provided with a first valve block, the other end of the valve body is provided with a second valve block, the first valve block is provided with a pilot head component I corresponding to the first valve cavity and a pilot head component II corresponding to the second valve cavity, the second valve block is provided with a pilot head component III corresponding to the first valve cavity and a pilot head component IV corresponding to the second valve cavity, wherein the pilot head component I and the pilot head component II are arranged on one side close to the air outlet R,

the valve body is provided with a first air guide channel communicated with an air inlet P and a second air guide channel communicated with the containing cavity, the button assembly is used for communicating or separating the first air guide channel and the second air guide channel, and when the first air guide channel is communicated with the second air guide channel, the ejector rod assembly jacks up a movable iron core corresponding to the pilot head assembly.

Further, the passageway is equipped with the first connecting hole with first valve pocket intercommunication and the second connecting hole with second valve pocket intercommunication, first connecting hole is located between air inlet P and the exhaust hole R, and gas outlet A is located between second connecting hole and the general mouth B, be equipped with in the first valve pocket with exhaust hole R, first connecting hole and the crisscross a plurality of first nodes that set up of air inlet P, be equipped with in the second valve pocket with second connecting hole, a plurality of second nodes that set up with second connecting hole, gas outlet A and general mouth B crisscross, the valve rod that sets up in the first valve pocket is equipped with the first flat circle corresponding with first node, and the valve rod that sets up in the second valve pocket is equipped with the second flat circle corresponding with the second node.

Furthermore, the button assembly comprises a fixing block, a fixing cavity communicated with the first air guide channel and the second air guide channel is formed in the fixing block, a button rod is slidably mounted in the fixing cavity, and the first air guide channel and the second air guide channel are communicated or separated through axial movement of the button rod.

Furthermore, the first valve block is provided with first pilot channels in one-to-one correspondence with the pilot head assemblies I and II in cooperation with the valve body, the second valve block is provided with second pilot channels in one-to-one correspondence with the pilot head assemblies III and IV in cooperation with the valve body, one ends of the first pilot channels and the second pilot channels are communicated with the air inlet P, the other ends of the first pilot channels and the second pilot channels are communicated with the end portions of the corresponding valve cavities, and the pilot head assemblies I, II, III and IV are used for conducting or cutting off the corresponding pilot channels.

Furthermore, the first valve block is matched with the valve body to form a first cavity corresponding to the first valve cavity and the second valve cavity one by one, the second valve block is matched with the valve body to form a second cavity corresponding to the first valve cavity and the second valve cavity one by one, the first cavity is communicated with the corresponding first pilot channel, the second cavity is communicated with the corresponding second pilot channel, a first piston connected with the corresponding valve rod is arranged in the first cavity, a second piston connected with the corresponding valve rod is arranged in the second cavity, and the first piston and the second piston are respectively in sliding fit with the cavity wall of the corresponding cavity.

Further, guide head subassembly I, guide head subassembly II, guide head subassembly III and guide head subassembly IV include sleeve pipe, quiet iron core, move iron core and coil respectively, sleeve pipe fixed mounting is in the valve block that corresponds, quiet iron core fixed mounting is in the sleeve pipe, it slides and sets up in the sleeve pipe to move the iron core, the lower extreme that moves the iron core is equipped with the lower sealing plug that is used for shutoff guide channel, and every guide head subassembly still includes the reset spring that the corresponding iron core that moves of drive resets.

Furthermore, the static iron core is provided with an exhaust passage, and the upper end of the movable iron core is provided with an upper sealing plug for plugging the exhaust passage.

Furthermore, one end of the ejector rod component, which is close to the corresponding movable iron core, is provided with a conical part.

Furthermore, the valve body is provided with a waterproof cover for covering the pilot head assembly I, the pilot head assembly II, the pilot head assembly III and the pilot head assembly IV.

Furthermore, the lower end of the valve body is provided with a connecting block, the connecting block is provided with an air inlet channel communicated with the air inlet P, an air outlet channel communicated with the air outlet A and a general channel communicated with the general port B, and the air inlet channel, the air outlet channel and the general channel are arranged in an isolated mode.

To sum up, the utility model discloses following beneficial effect has:

the utility model provides a parking module, its adopts the integral type valve body, and the integrated level is higher, and the structure is compacter for the volume is littleer, can greatly reduced manufacturing cost and assembly cost, and required sealing member still less after the simplified structure simultaneously can effectively reduce the emergence of gas leakage phenomenon.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a partial cross-sectional view at a first perspective of the present invention.

Fig. 3 is a cross-sectional view at a second perspective of the present invention.

Fig. 4 is a cross-sectional view from a third perspective of the present invention.

Fig. 5 is a cross-sectional view of the connection block of the present invention.

Fig. 6 is a schematic diagram of the first pilot channel and the second pilot channel of the present invention.

Fig. 7 is a schematic diagram of the valve stem position at one time of operation of the present invention.

Fig. 8 is a schematic diagram of the valve stem position in the second and third actions of the present invention.

Fig. 9 is a schematic diagram of the valve stem position in the fourth operation of the present invention.

In the figure: 1. a valve body; 11. a first valve chamber; 12. a second valve cavity; 13. a channel; 131. a first connection hole; 132. a second connection hole; 14. a first air guide passage; 15. a second air guide passage; 16. a valve stem; 2. a button assembly; 21. a fixed block; 22. a fixed cavity; 23. a button lever; 24. a button section; 3. a first valve block; 31. a pilot head assembly I; 311. a sleeve; 312. a stationary core; 3121. an exhaust passage; 313. a movable iron core; 314. a coil; 315. a return spring; 316. an upper sealing plug; 317. a lower sealing plug; 32. a pilot head assembly II; 33. a housing chamber; 34. a push rod assembly; 341. a tapered portion; 35. an elastic member; 36. a first pilot channel; 37. a first chamber; 371. a first piston; 38. a notch; 4. a second valve block; 41. a pilot head assembly III; 42. a pilot head assembly IV; 43. a second pilot passage; 44. a second chamber; 441. a second piston; 5. a waterproof cover; 51. an aircraft joint; 6. connecting blocks; 61. an intake passage; 62. an air outlet channel; 63. a universal channel.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 9, a parking module includes a valve body 1 and a button assembly 2 disposed on the valve body 1, the valve body 1 is provided with a first valve chamber 11 and a second valve chamber 12, the first valve chamber 11 and the second valve chamber 12 are respectively provided with a valve rod 16, the valve body 1 is provided with an air inlet P and an air outlet R communicated with the first valve chamber 11, an air outlet a and a general port B communicated with the second valve chamber 12, the valve body 1 is provided with a silencer at a position corresponding to the air outlet R, the valve body 1 is provided with a passage 13, the passage 13 is provided with a first connection hole 131 communicated with the first valve chamber 11 and a second connection hole 132 communicated with the second valve chamber 12, wherein the first connection hole 131 is located between the air inlet P and the air outlet R, the air outlet a is located between the second connection hole 132 and the general port B, the first valve chamber 11 is provided with the air outlet R, the valve chamber 132 is provided with the air outlet R, and the general port B, First connecting hole 131 and the crisscross a plurality of first nodes that set up of air inlet P, be equipped with in the second valve chamber 12 with second connecting hole 132, a plurality of second nodes that set up of gas outlet A and general mouth B crisscross, the valve rod 16 that sets up in first valve chamber 11 is equipped with the first flat circle corresponding with first node, the valve rod 16 that sets up in second valve chamber 12 is equipped with the second flat circle corresponding with the second node.

One end of the valve body 1 is provided with a first valve block 3, the other end of the valve body 1 is provided with a second valve block 4, the first valve block 3 is provided with a pilot head assembly I31 corresponding to the first valve cavity 11 and a pilot head assembly II 32 corresponding to the second valve cavity 12, the second valve block 4 is provided with a pilot head assembly III 41 corresponding to the first valve cavity 11 and a pilot head assembly IV 42 corresponding to the second valve cavity 12, and the pilot head assembly I31 and the pilot head assembly II 32 are arranged on one side close to the exhaust port R.

A cavity 33 in which the pilot head assemblies I31 and II 32 are in one-to-one correspondence is formed between the first valve block 3 or/and the valve body 1, an ejector rod assembly 34 and an elastic piece 35 for driving the ejector rod assembly 34 to move towards one side far away from the corresponding pilot head assembly are arranged in the cavity 33, the valve body 1 is provided with a first air guide channel 14 communicated with the air inlet P and a second air guide channel 15 communicated with the cavity 33, the button assembly 2 is used for communicating or separating the first air guide channel 14 and the second air guide channel 15, and when the first air guide channel 14 is communicated with the second air guide channel 15, the ejector rod assembly 34 jacks up a movable iron core 313 corresponding to the pilot head assembly.

The button assembly 2 comprises a fixed block 21, a fixed cavity 22 communicating the first air guide channel 14 and the second air guide channel 15 is arranged in the fixed block 21, a button rod 23 is arranged in the fixed cavity 22 in a sliding mode, the first air guide channel 14 and the second air guide channel 15 are communicated or separated through the axial movement of the button rod 23, the internal structure of the fixed block 21 is similar to that of a common valve body, namely, a plurality of nodes are arranged in the fixed block 21, flat rings corresponding to the nodes are arranged on the button rod 23, a spring for extending the button rod 23 out of the fixing cavity 22 is arranged in the fixing block 21, the spring is preferably in a pagoda-shaped structure, a button part 24 is arranged on one side of the button rod 23 far away from the spring, when the push button portion 24 is pressed, the first air guide passage 14 and the second air guide passage 15 are communicated, when the spring-driven button rod 23 is reset, the first air guide channel 14 and the second air guide channel 15 are separated.

The first valve block 3 is provided with first pilot channels 36 corresponding to the pilot head assemblies I31 and II 32 in a one-to-one manner in cooperation with the valve body 1, the second valve block 4 is provided with second pilot channels 43 corresponding to the pilot head assemblies III 41 and IV 42 in a one-to-one manner in cooperation with the valve body 1, one ends of the first pilot channels 36 and the second pilot channels 43 are communicated with the air inlet P, the other ends of the first pilot channels and the second pilot channels are communicated with the end parts of corresponding valve cavities, the pilot head assemblies I31, II 32, III 41 and IV 42 are used for conducting or cutting off the corresponding pilot channels, namely, each pilot head assembly independently controls the corresponding pilot channels to control the movement conditions of the valve rods 16 in the first valve cavity 11 and the second valve cavity 12.

First valve block 3 cooperates with valve body 1 to be formed with the first cavity 37 with first valve chamber 11, second valve chamber 12 one-to-one, second valve block 4 cooperates with valve body 1 to be formed with the second cavity 44 with first valve chamber 11, second valve chamber 12 one-to-one, first cavity 37 communicates with the first pilot passageway 36 that corresponds, second cavity 44 communicates with the second pilot passageway 43 that corresponds, be equipped with in the first cavity 37 and correspond the first piston 371 that valve rod 16 is connected, be equipped with in the second cavity 44 and correspond valve rod 16 and be connected second piston 441, first piston 371, second piston 441 respectively with the chamber wall sliding fit who corresponds the cavity.

The pilot head assembly I31, the pilot head assembly II 32, the pilot head assembly III 41 and the pilot head assembly IV 42 respectively comprise a sleeve 311, a static iron core 312, a movable iron core 313 and a coil 314, the sleeve 311 is fixedly installed on a corresponding valve block, the static iron core 312 is fixedly installed in the sleeve 311, the movable iron core 313 is arranged in the sleeve 311 in a sliding mode, the movable iron core 313 is arranged on the lower portion of the static iron core 312, a lower sealing plug 317 used for sealing the pilot channel 13 is arranged at the lower end of the movable iron core 313, each pilot head assembly further comprises a return spring 315 driving the corresponding movable iron core 313 to reset, the static iron core 312 is provided with an exhaust channel 3121, and an upper sealing plug 316 used for sealing the exhaust channel 3121 is arranged at the upper end of the movable iron core 313.

Specifically, the first valve block 3 and the second valve block 4 are respectively provided with a notch 38 into which a movable iron core 313 of a corresponding pilot head assembly extends, the sleeve 311 is hermetically mounted in the corresponding notch 38, one end of the return spring 315 abuts against the lower end surface of the sleeve 311, and the other end of the return spring 315 abuts against the movable iron core 313, so that the movable iron core 313 moves away from one end of the stationary iron core 312 under the action of the return spring 315, and as an equivalent alternative means, the return spring 315 may also be disposed between the stationary iron core 312 and the movable iron core 313.

Move the inside installation cavity that is equipped with of iron core 313, the upper portion of installation cavity is equipped with sealing plug 316, the middle part of installation cavity is equipped with support piece, the lower part of installation cavity is equipped with sealing plug 317 down, go up between sealing plug 316 and the support piece, be equipped with the spring between lower sealing piece and the support piece respectively, simultaneously the upper portion of moving iron core 313 is equipped with the last spacing portion that prevents to go up sealing plug 316 and break away from out the installation cavity, the lower part of moving iron core 313 is equipped with the lower spacing portion that prevents that lower sealing plug 317 from breaking away from out the installation cavity, the middle part of moving iron core 313 is equipped with spacing portion in the axial direction to support piece.

The cavity 33 is communicated with the notch 38, the ejector rod assembly 34 is provided with at least one sealing device for isolating the notch 38 from the second air guide channel 15, one end of the ejector rod assembly 34 close to the corresponding movable iron core 313 is provided with a tapered portion 341, the ejector rod assembly 34 is in a separated state from the corresponding movable iron core 313 under the action of the elastic member 35 in a state where the first air guide channel 14 and the second air guide channel 15 are isolated, when the first air guide channel 14 and the second air guide channel 15 are conducted, the air inlet P is communicated with the cavity 33, the ejector rod assembly 34 overcomes the elastic force of the elastic member 35 to move towards one side close to the movable iron core 313 and jacks up the corresponding movable iron core 313 through the tapered portion 341 under the action of compressed air, and at this time, the pilot channel 13 corresponding to the movable iron core 313 is opened.

Valve body 1 is equipped with the waterproof cover 5 that is used for shroud pilot head subassembly I31, pilot head subassembly II 32, pilot head subassembly III 41 and pilot head subassembly IV 42, be equipped with aviation connector 51 on the waterproof cover 5, the connecting wire of pilot head subassembly I31, pilot head subassembly II 32, pilot head subassembly III 41 and pilot head subassembly IV 42 passes through aviation connector 51 connects the outside, and this structural design makes the connecting wire setting of this parking module more orderly reasonable.

The lower extreme of valve body 1 is equipped with connecting block 6, connecting block 6 is equipped with inlet channel 61 that is linked together with air inlet P, the general passageway 63 that communicates with general mouthful B with outlet channel 62 that is linked together with gas outlet A, inlet channel 61, outlet channel 62 keep apart the setting with general passageway 63, wherein inlet channel 61's both ends are equipped with respectively and connect, set up two and connect the customer installation of being convenient for this parking module's adaptability is stronger, and it is more convenient to install, general mouthful B connection outside manual valve.

This parking module, it adopts the integral type valve body, and the integrated level is higher, and the structure is compacter for the volume is littleer, can greatly reduced manufacturing cost and assembly cost, and required sealing member still less after the structure simplification simultaneously can effectively reduce the emergence of gas leakage phenomenon.

The operating principle of the parking module is as follows:

the first action is as follows: the pilot head assembly II 32 and the pilot head assembly III 41 are electrified, the first pilot channel 36 corresponding to the pilot head assembly II 32 and the second pilot channel 43 corresponding to the pilot head assembly III 41 are opened, at the moment, the valve rod 16 in the first valve cavity 11 moves towards one side of the first valve block 3, the air inlet P and the air outlet R are separated, the air inlet P is communicated with the first connecting hole 131, the air outlet R is separated from the first connecting hole 131, the valve rod 16 in the second valve cavity 12 moves towards one side of the second valve block 4, the air outlet A is communicated with the second connecting hole 132, the air outlet A is separated from the universal port B, at the moment, the air inlet P is communicated with the air outlet A, and the air outlet R is separated from the air inlet P, the air outlet A and the universal port B respectively.

And the second action: the pilot head assembly I31 and the pilot head assembly IV 42 are electrified, the first pilot channel 36 corresponding to the pilot head assembly I31 and the second pilot channel 43 corresponding to the pilot head assembly IV 42 are opened, the valve rod 16 in the first valve cavity 11 moves towards one side of the second valve block 4, the air inlet P is separated from the first connecting hole 131, the air outlet R is communicated with the first connecting hole 131, the valve rod 16 in the second valve cavity 12 moves towards one side of the first valve block 3, the air outlet A is separated from the second connecting hole 132, the air outlet A is communicated with the universal port B, the air inlet P is separated from the air outlet A, the air outlet R and the universal port B, the air outlet R is also separated from the air outlet A, the air outlet A is communicated with the universal port B, the air pressure of the air outlet A is discharged through the universal port B, and the air outlet A is depressurized and kept in the state after power failure.

And action three: and opening an external manual valve, introducing compressed gas towards the general port B, wherein the gas outlet A has gas pressure, specifically, on the basis of the action 2, namely the gas inlet P is respectively isolated from the gas outlet A and the gas outlet R, the gas outlet R and the gas outlet A are also isolated, the gas outlet A is communicated with the general port B, opening the external manual valve, introducing the compressed gas into the general port B, and introducing the compressed gas into the gas outlet A to ensure that the gas outlet A has pressure.

And fourthly, action: when the button assembly 2 is pressed, the button rod 23 moves axially inwards to enable the first air guide channel 14 to be communicated with the second air guide channel 15, so that the air inlet P is communicated with the cavity 33, the ram assembly 34 moves towards the movable iron core 313 of the corresponding pilot head assembly under the action of the compressed air and jacks up the movable iron core 313, so that the first pilot passages 36 corresponding to the pilot head assemblies I31 and II 32 are communicated, at this time, the valve rods 16 in the first valve cavity 11 and the second valve cavity 12 move towards one side of the second valve block 4, the air inlet P is blocked from the first connecting hole 131, the air outlet R is communicated with the first connecting hole 131, meanwhile, the air outlet A is communicated with the second connecting hole 132, the air outlet A is separated from the universal port B, namely, the air inlet P is respectively isolated from the air outlet R, the air outlet A and the general port B, the air outlet R is communicated with the air outlet A, the air outlet A is isolated from the general port B, and the air outlet A is decompressed and kept in the state.

What has just been said above is the preferred embodiment of the present invention, so all according to the utility model discloses a patent application scope structure, characteristic and principle do equivalent change or modify, all include the utility model discloses a patent application scope.

Claims

1. A parking module, characterized by: comprises a valve body (1) and a button component (2) arranged on the valve body (1),

the valve body (1) is provided with a first valve cavity (11) and a second valve cavity (12) for containing a valve rod (16), the valve body (1) is provided with an air inlet P and an air outlet R which are communicated with the first valve cavity (11), an air outlet A and a general port B which are communicated with the second valve cavity (12), the valve body (1) is provided with a passage (13) communicated with the first valve cavity (11) and the second valve cavity (12), one end of the valve body (1) is provided with a first valve block (3), the other end of the valve body (1) is provided with a second valve block (4), the first valve block (3) is provided with a pilot head assembly I (31) corresponding to the first valve cavity (11) and a pilot head assembly II (32) corresponding to the second valve cavity (12), the second valve block (4) is provided with a pilot head assembly III (41) corresponding to the first valve cavity (11) and a pilot head assembly IV (42) corresponding to the second valve cavity (12), wherein the pilot head assembly I (31) and the pilot head assembly II (32) are arranged on one side close to the exhaust port R,

be formed with between first valve block (3) or valve body (1) guide head subassembly I (31) and guide head subassembly II (32) one-to-one and hold chamber (33), be equipped with ejector pin subassembly (34) and drive ejector pin subassembly (34) in holding chamber (33) and face away from elastic component (35) that correspond guide head subassembly one side motion, valve body (1) is equipped with first air guide way (14) of intercommunication air inlet P and second air guide way (15) that the intercommunication holds chamber (33), button subassembly (2) are used for intercommunication or wall first air guide way (14) and second air guide way (15), when first air guide way (14) and second air guide way (15) switch on, ejector pin subassembly (34) jack-up corresponds the movable core (313) of guide head subassembly.

2. A parking module according to claim 1, characterized in that: passageway (13) are equipped with first connecting hole (131) with first valve pocket (11) intercommunication and second connecting hole (132) with second valve pocket (12) intercommunication, first connecting hole (131) are located between air inlet P and the exhaust hole R, and gas outlet A is located between second connecting hole (132) and general mouthful B, be equipped with in first valve pocket (11) with exhaust hole R, a plurality of first nodes that first connecting hole (131) and air inlet P crisscross the setting, be equipped with in second valve pocket (12) with a plurality of second nodes that second connecting hole (132), gas outlet A and general mouthful B crisscross the setting, valve rod (16) that set up in first valve pocket (11) are equipped with the first flat circle corresponding with first node, and valve rod (16) that set up in second valve pocket (12) are equipped with the second flat circle corresponding with the second node.

3. Parking module according to claim 1 or 2, characterized in that: the button assembly (2) comprises a fixing block (21), a fixing cavity (22) communicated with a first air guide channel (14) and a second air guide channel (15) is arranged in the fixing block (21), a button rod (23) is slidably mounted in the fixing cavity (22), and the first air guide channel (14) and the second air guide channel (15) are communicated or separated through axial movement of the button rod (23).

4. A parking module according to claim 3, characterized in that: first valve piece (3) are equipped with first pilot passageway (36) with pilot head subassembly I (31), pilot head subassembly II (32) one-to-one with valve body (1) cooperation, second valve piece (4) are equipped with second pilot passageway (43) with pilot head subassembly III (41), pilot head subassembly IV (42) one-to-one with valve body (1) cooperation, the one end intercommunication air inlet P of first pilot passageway (36) and second pilot passageway (43), the tip of the corresponding valve pocket of other end intercommunication, pilot head subassembly I (31), pilot head subassembly II (32), pilot head subassembly III (41) and pilot head subassembly IV (42) are used for switching on or cut off corresponding pilot passageway (13).

5. Parking module according to claim 4, characterized in that: first valve block (3) and valve body (1) cooperation are formed with first cavity (37) with first valve pocket (11), second valve pocket (12) one-to-one, second valve block (4) and valve body (1) cooperation are formed with second cavity (44) with first valve pocket (11), second valve pocket (12) one-to-one, first cavity (37) and first guide passageway (36) intercommunication that corresponds, second cavity (44) and second guide passageway (43) intercommunication that corresponds, be equipped with in first cavity (37) and correspond first piston (371) that valve rod (16) are connected, be equipped with in second cavity (44) and be connected second piston (441) with corresponding valve rod (16), first piston (371), second piston (441) respectively with the chamber wall sliding fit who corresponds the cavity.

6. A parking module according to claim 1, characterized in that: the pilot head assembly I (31), the pilot head assembly II (32), the pilot head assembly III (41) and the pilot head assembly IV (42) respectively comprise a sleeve (311), a static iron core (312), a movable iron core (313) and a coil (314), the sleeve (311) is fixedly installed on the corresponding valve block, the static iron core (312) is fixedly installed in the sleeve (311), the movable iron core (313) is arranged in the sleeve (311) in a sliding mode, the lower end of the movable iron core (313) is provided with a lower sealing plug (317) used for plugging a pilot channel (13), and each pilot head assembly further comprises a reset spring (315) which drives the corresponding movable iron core (313) to reset.

7. A parking module according to claim 6, characterized in that: the static iron core (312) is provided with an exhaust passage (3121), and the upper end of the movable iron core (313) is provided with an upper sealing plug (316) for plugging the exhaust passage (3121).

8. A parking module according to claim 1, characterized in that: one end of the ejector rod component (34) close to the corresponding movable iron core (313) is provided with a conical part (341).

9. A parking module according to claim 1, characterized in that: the valve body (1) is provided with a waterproof cover (5) for covering the pilot head assembly I (31), the pilot head assembly II (32), the pilot head assembly III (41) and the pilot head assembly IV (42).

10. A parking module according to claim 1, characterized in that: the lower extreme of valve body (1) is equipped with connecting block (6), connecting block (6) are equipped with inlet channel (61) that are linked together with air inlet P, give vent to anger passageway (62) that are linked together with gas outlet A and general passageway (63) that communicate with general mouthful B, inlet channel (61), give vent to anger passageway (62) and general passageway (63) keep apart the setting.