CN212377413U - Double-outlet electromagnetic blowing valve - Google Patents

Abstract

The application discloses a double-outlet electromagnetic blowing valve, which comprises a valve body with an inlet and an outlet, wherein the inlet and the outlet are communicated through a valve port; the electromagnetic blowing valve is characterized in that the number of the outlets is two, the outlets are respectively a first outlet and a second outlet, the first outlet and the second outlet are respectively and correspondingly communicated with one of the branch flow passages, and compared with the prior art, the electromagnetic blowing valve is provided with two outlets, and is branched through the two outlets, so that the effect of facilitating the branching of a client is achieved.

Description

Double-outlet electromagnetic blowing valve

Technical Field

The application relates to the field of valves, in particular to an electromagnetic blowing valve with double outlets.

Background

The electromagnetic blowing valve generally comprises a valve body, a diaphragm assembly and an electromagnetic driving mechanism, wherein the diaphragm assembly divides the interior of the valve body into a first cavity and a second cavity, a throttling port for communicating the first cavity with the second cavity is formed in the diaphragm assembly, and the electromagnetic driving mechanism can start to open and close a pressure relief port in the valve body.

When the electromagnetic driving mechanism seals the pressure relief opening, the medium gas enters from the inlet and is rapidly filled in the first cavity, and the other part of the medium gas enters the second cavity through the throttling opening on the diaphragm assembly, so that the pressure balance between the first cavity and the second cavity is achieved, namely the valve is in a closed state. When the electromagnetic driving mechanism is electrified, the electromagnetic driving mechanism opens the pressure relief port, and medium gas in the second cavity is rapidly exhausted through the pressure relief port, so that the pressure of the first cavity is far greater than that of the second cavity, the diaphragm assembly is opened, and the valve is in an opening state.

When the existing electromagnetic blowing valve is shunted, the existing electromagnetic blowing valve needs to be connected with an external pipeline through a shunt pipeline, so that the problem of inconvenience in shunting the electromagnetic blowing valve is caused.

SUMMERY OF THE UTILITY MODEL

The application provides a pair of electromagnetism jetting valve for solve among the prior art electromagnetism jetting valve inconvenient technical problem along separate routes.

The application provides a double-outlet electromagnetic blowing valve, which comprises a valve body with an inlet and an outlet, wherein the inlet and the outlet are communicated through a valve port;

the number of the outlets is two, the outlets are respectively a first outlet and a second outlet, and the first outlet and the second outlet are respectively and correspondingly communicated with one of the branch flow passages.

Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.

Optionally, the valve body has a valve body center line passing through the valve port, the inlet and the outlet are respectively located at two sides of the valve body center line, and projections of the first outlet and the second outlet on the valve body center line are arranged in a staggered manner.

Optionally, the main flow channel extends along a center line of the valve body, and the two branch flow channels are located beside the main flow channel;

an included angle between the extending directions of the two branch flow channels is 0-15 degrees;

the included angle between the extending direction of each branch flow channel and the central line of the valve body is 75-90 degrees.

Optionally, the projection position of the inlet on the valve body center line is between the projection positions of the two outlets on the valve body center line.

Optionally, in the extending direction of the valve body centerline, the first outlet is closer to the valve port than the second outlet, and the first outlet is farther from the valve body centerline than the second outlet.

Optionally, on the valve body, the end face included angle of the two outlets is 0-15 degrees.

Optionally, the inlet and the outlet are oppositely directed.

Optionally, the valve body is provided with a flange at the inlet and/or at least one outlet.

Optionally, a diaphragm assembly for opening and closing the valve port is arranged in the valve body, the diaphragm assembly divides the interior of the valve body into a first cavity and a second cavity, a throttle orifice for communicating the first cavity with the second cavity is formed in the diaphragm assembly, and the inlet and each outlet are communicated with the first cavity;

the valve body is also provided with a pressure relief opening communicated with the second cavity, an electromagnetic driving mechanism is arranged outside the valve body, a movable iron core in the electromagnetic driving mechanism is fixedly connected with a valve rod, the valve body is provided with a valve body central line passing through the valve port, and the valve rod extends along the valve body central line and is inserted into the valve body to open and close the pressure relief opening.

Optionally, the diaphragm assembly includes:

a diaphragm secured within the valve body;

a sealing element disposed on the diaphragm, the sealing element cooperating with the valve port;

the first elastic piece is arranged between the sealing piece and the inner wall of the second cavity and used for driving the sealing piece to close the valve port.

The utility model provides an electromagnetism jetting valve of two exports, electromagnetism jetting valve are provided with two exports, divide by road through two exports, play the customer of being convenient for and carry out the effect of dividing by road.

Drawings

Figure 1 is a schematic structural view of a dual outlet electromagnetic blow valve according to one embodiment provided herein;

figure 2 is a cross-sectional view of the electromagnetic blow valve of figure 1;

figure 3 is a schematic diagram of a dual outlet electromagnetic blow valve according to one embodiment of the present application;

figure 4 is an exploded view of the electromagnetic blow valve of figure 3;

figure 5 is a cross-sectional view of the electromagnetic blow valve of figure 3;

FIG. 6 is a partial schematic structural view of the electromagnetic blow valve of FIG. 5;

figure 7 is a schematic diagram of a dual outlet electromagnetic blow valve according to one embodiment of the present application;

figure 8 is an exploded view of the electromagnetic blow valve of figure 7;

figure 9 is a cross-sectional view of the electromagnetic blow valve of figure 7;

FIG. 10 is a schematic view of a partial structure of the electromagnetic blow valve of FIG. 9;

fig. 11 is an enlarged view of a portion a of fig. 10.

The reference numerals in the figures are illustrated as follows:

100. an electromagnetic blow valve;

10. a valve body; 11a, a first valve body; 11b, a second valve body; 111. fastening screws; 12. a pressure relief port; 13a, a first cavity; 13b, a second cavity; 14a, an inlet; 14b, an outlet; 141. a first outlet; 142. a second outlet; 15. a valve port; 16. a pilot channel; 17. an outflow side; 171. a main flow channel; 172. branch flow channels; 18. an inflow side;

20. an end cap; 21. a first seal ring; 22. a first anti-slip ring; 23. an isolation component; 231. a sleeve; 232. Sealing the end; 233. a second seal ring; 234. a second anti-slip ring; 235. a limiting part; 236. a bending part; 237. A shaft shoulder; 238. an annular end cap;

30. a pressure relief cavity;

40. an electromagnetic drive mechanism; 41. a housing; 42. fixing an iron core; 43. a coil; 44. a movable iron core; 45. a second elastic member;

50. a valve stem; 51. a sealing head;

60. a diaphragm assembly; 61. a choke; 62. a membrane; 63. a seal member; 64. a first elastic member;

70. and (4) a flange.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In one embodiment, as shown in fig. 1 to 2, the present application provides an electromagnetic blowing valve 100, which includes a valve body 10 having a pressure relief opening 12, a diaphragm assembly 60 disposed in the valve body 10, and an electromagnetic driving mechanism 40 located outside the valve body 10, wherein the diaphragm assembly 60 divides the interior of the valve body 10 into a first cavity 13a and a second cavity 13b, the diaphragm assembly 60 has a throttle opening 61 communicating the first cavity 13a with the second cavity 13b, a movable iron core 44 in the electromagnetic driving mechanism 40 is fixedly connected to a valve rod 50, and the valve rod 50 is inserted into the valve body 10 to open and close the pressure relief opening 12.

In another embodiment, the valve body 10 is provided with a pressure relief cavity 30 communicated with the pressure relief port 12, the first cavity 13a is communicated with the inlet 14a and the outlet 14b of the valve body 10, and the second cavity 13b is communicated with the pressure relief cavity 30; the inlet 14a and the outlet 14b are communicated through a valve port 15, and the diaphragm assembly 60 can open and close the valve port 15.

The valve body 10 has a valve body center line passing through the valve port 15, and the valve stem 50 is inserted into the valve body 10 along the valve body center line to open and close the relief port 12.

In this embodiment, the valve body center line passes through the center position of the valve port 15.

When the electromagnetic driving mechanism 40 is not powered on, the valve rod 50 closes the pressure relief opening 12, medium gas enters the first cavity 13a from the inlet 14a and then enters the second cavity 13b from the throttle opening 61 on the diaphragm assembly 60, the air pressure in the first cavity 13a is equal to the air pressure in the second cavity 13b, namely, the electromagnetic blowing valve 100 is in a closed state;

when the electromagnetic driving mechanism 40 is powered on, the movable iron core 44 drives the valve rod 50 to open the pressure relief opening 12, the medium gas in the second cavity 13b is rapidly discharged through the pressure relief opening 12, so that the pressure of the second cavity 13b is rapidly reduced, the air pressure in the first cavity 13a is far greater than the air pressure in the second cavity 13b, and the diaphragm assembly 60 is opened, that is, the valve port 15 is in an open state; when the electromagnetic driving mechanism 40 is powered off, the valve rod 50 closes the pressure relief opening 12, the pressure in the second cavity 13b is rapidly filled again, and the new balance is achieved, that is, the diaphragm assembly 60 is closed, and the valve port 15 is in a closed state.

In another embodiment, in order to make the structure of the electromagnetic blow valve 100 more compact, the first chamber 13a, the second chamber 13b, and the pressure relief chamber 30 are arranged in order in the axial direction of the valve stem 50.

The second cavity 13b and the pressure relief cavity 30 communicate with each other through a pilot passage 16, the pilot passage 16 extends along a straight line, and the extending direction of the pilot passage 16 is parallel to the axis of the valve stem 50.

In another embodiment, inside the valve body 10, between the outlet 14b and the valve port 15 is an outflow side 17, and between the inlet 14a and the valve port 15 is an inflow side 18, where the outflow side 17 includes a main flow passage 171 abutting the valve port 15 and extending along a center line of the valve body, and two branch flow passages 172 respectively communicating with the main flow passage 171; the outlet side 17 is an outlet side passage, and the inlet side 18 is an inlet side passage.

The number of the outlets 14b is two, and the outlets are respectively a first outlet 141 and a second outlet 142, and the first outlet 141 and the second outlet 142 are respectively and correspondingly communicated with one of the branch runners 172; the two outlets 14b are arranged to prevent the electromagnetic blowing valve 100 from being connected with an external pipeline through a branch pipeline, so as to facilitate the branching of the customer.

In order to make the structure of the electromagnetic blowing valve 100 more compact and reasonable, the inlet 14a and the outlet 14b are respectively located at two sides of the center line of the valve body 10, and the projections of the first outlet 141 and the second outlet 142 on the center line of the valve body are arranged in a staggered manner;

wherein the inlet 14a and the outlet 14b are oriented in opposite directions to make the structural layout of the electromagnetic blow valve 100 more reasonable. Of course, in other embodiments, the included angle between the orientation of the inlet 14a and the orientation of the outlet 14b may also be 90 degrees, 120 degrees, 150 degrees, etc., and the included angle may be set according to actual requirements and will not be further described herein.

In another embodiment, the main flow passage 171 extends along the center line of the valve body, and the two branch flow passages 172 are located beside the main flow passage 171.

The included angle between the extending directions of the two branch channels 172 is 0-15 degrees. The branch channel 172 has an inlet and an outlet, and a line connecting the inlet center and the outlet center is an extending direction.

Preferably, in order to facilitate the mold opening of the valve body 10 and reduce the difficulty of the processing technology of the valve body 10, the two branch runners 172 extend along a straight line, and an included angle between the extending directions is 0 degree.

In order to further reduce the difficulty of the processing technology of the valve body 10, an included angle between the extending direction of each branch flow channel 172 and the central line of the valve body 10 is 75-90 degrees.

Preferably, each branch flow channel 172 extends at an angle of 90 degrees with respect to the center line of the valve body 10.

In another embodiment, the projection of the inlet port 14a on the centerline of the valve body 10 is between the projection of the two outlet ports 14b on the centerline of the valve body 10.

In another embodiment, the first outlet 141 is closer to the valve port 15 than the second outlet 142 in the extending direction of the central line of the valve body 10, and the first outlet 141 is farther from the central line of the valve body 10 than the second outlet 142, when the external pipeline is connected with the two outlets 14b on the electromagnetic blowing valve 100, the connection part of the external pipeline and the two outlets 14b on the electromagnetic blowing valve 100 is arranged in a staggered manner, so as to increase the assembling space of the external pipeline and the electromagnetic blowing valve 100. At the same time, material of the electromagnetic blow valve 100 can also be saved.

In another embodiment, the angle between the end surfaces of the two outlets 14b on the valve body 10 is 0-15 degrees.

Preferably, the angle between the end faces of the two outlets 14b on the valve body 10 is 0 degree.

In another embodiment, the valve body 10 is provided with a flange 70 at the inlet 14a and/or at least one outlet 14b in order to improve shock resistance when the electromagnetic blow valve 100 is connected to an external pipe.

In this embodiment, the valve body 10 is provided with a flange 70 at the inlet 14 a.

In another embodiment, to facilitate the installation of the diaphragm assembly 60 in the valve body 10 and the processing of the valve body 10, the valve body 10 includes a first valve body 11a and a second valve body 11b that are fastened to each other, and the periphery of the diaphragm assembly 60 is clamped at the connection between the first valve body 11a and the second valve body 11 b.

When the first valve element 11a is engaged with the second valve element 11b, the first valve element 11a is fixed to the second valve element 11b by the fastening screw 111. In order to increase the sealing performance between the first valve body 11a and the second valve body 11b, a gasket is provided between the first valve body 11a and the second valve body 11 b.

The pressure relief port 12 is opened in the second valve body 11 b.

In another embodiment, the diaphragm assembly 60 includes:

a diaphragm 62 sandwiched between the first valve body 11a and the second valve body 11 b;

a sealing element 63 arranged on the diaphragm 62, wherein the sealing element 63 is matched with the valve port 15;

a first elastic member 64 disposed between the sealing member 63 and the inner wall of the second cavity 13b for urging the sealing member 63 to close the valve port 15.

When the pressure of the gas in the second chamber 13b is lower than the pressure in the first chamber 13a, the pressure in the first chamber 13a can deform the diaphragm 62 to drive the sealing member 63 to move away from the valve port 15, and the valve port 15 is in an open state. When the gas pressure in the first chamber 13a and the gas pressure in the second chamber 13b are in an equilibrium state, the sealing member 63 moves toward the valve port 15 under the action of the first elastic member 64 until the valve port 15 is sealed.

The fastening screw 111 passes through the first valve body 11a, the diaphragm 62 and the second valve body 11b in sequence to fix the diaphragm 62 between the first valve body 11a and the second valve body 11 b. The first elastic member 64 is used to enhance the sealing between the sealing member 63 and the valve port 15 when the electromagnetic blow valve 100 is in the closed state.

In the present embodiment, the first elastic member 64 is a compression spring.

In another embodiment, the electromagnetic drive mechanism 40 includes:

a housing 41;

a fixed core 42 fixed in the case 41;

a coil 43 fixed in the case 41 and located on the outer periphery of the stator core 42;

the movable iron core 44 is movably arranged in the coil 43 in a penetrating way, and the movable iron core 44 drives the movable valve rod 50 to open the pressure relief opening 12 under the driving of the coil 43;

and the second elastic element 45 acts between the fixed iron core 42 and the movable iron core 44 and is used for driving the movable iron core 44 to drive the valve rod 50 to seal the pressure relief opening 12.

When the electromagnetic driving mechanism 40 is not electrified, the valve rod 50 on the movable iron core 44 seals the pressure relief opening 12, at this time, the pressure in the first cavity 13a is the same as the pressure in the second cavity 13b, and at this time, the electromagnetic blowing valve 100 is in a closed state;

when the electromagnetic driving mechanism 40 is powered on, the coil 43 generates a magnetic field when being powered on, the movable iron core 44 overcomes the external force and the second elastic element 45 to move upwards under the action of the magnetic field, and drives the valve rod 50 to open the pressure relief opening 12, at the moment, the pressure in the second cavity 13b becomes smaller, the pressure in the first cavity 13a is greater than the pressure in the second cavity 13b, the valve port 15 is opened when the sealing element 63 moves back to the valve port 15, at the moment, the inlet 14a is communicated with the outlet 14b through the valve port 15, and the electromagnetic blowing valve 100 is in an open state;

when the electromagnetic driving mechanism 40 is powered off, the magnetic field on the coil 43 disappears, the movable iron core 44 is reset under the action of the second elastic element 45, the pressure relief opening 12 is closed, and the sealing element 63 moves towards the valve opening 15 under the action of the first elastic element 64 until the valve opening 15 is sealed, so that the electromagnetic blowing valve 100 is in a closed state.

In another embodiment, a sealing head 51 is disposed at one end of the valve stem 50, and the sealing head 51 can open and close the pressure relief port 12.

In order to improve the sealing effect between the sealing head 51 and the pressure relief opening 12, the sealing head 51 is made of rubber or other materials, so that the sealing head 51 is in close contact with the periphery of the pressure relief opening 12.

In another embodiment, as shown in fig. 3 to fig. 6, the pilot-operated solenoid valve further includes an end cap 20 detachably mounted on the valve body 10, the end cap 20 and the valve body 10 enclose a pressure relief cavity 30 communicated with the pressure relief opening 12, the end cap 20 defines an end cap 20 hole opposite to the pressure relief opening 12, and the valve rod 50 passes through the end cap 20 hole to open and close the pressure relief opening 12.

The end cap 20 is fixed to the second valve body 11b by screws. Meanwhile, the housing 41 is fixed to the end cap 20 by fixing screws.

Further, when the medium gas enters the valve, various impurities cannot be avoided in the medium gas, the impurities can be attached to the inner surface of the valve body 10 and enter the electromagnetic driving mechanism 40, the work of the electromagnetic driving mechanism 40 can be blocked, the end cover 20 is provided with the first sealing ring 21 in sliding fit with the valve rod 50, the first sealing ring 21 on the end cover 20 isolates the second cavity 13b from the cavity of the electromagnetic driving mechanism 40, the effect of protecting the inner cavity of the electromagnetic driving mechanism 40 is achieved, the smooth work of the electromagnetic driving mechanism 40 is ensured, and the service life of the pilot-operated electromagnetic valve is greatly prolonged.

In order to facilitate the first sealing ring 21 to be installed on the end cover 20, a sinking groove located at the periphery of the hole of the end cover 20 is formed on one side of the end cover 20 facing the pressure relief cavity 30, and the first sealing ring 21 is disposed in the sinking groove.

Meanwhile, in order to further fix the first sealing ring 21 on the end cover 20, the end cover 20 is further fixed with a first anti-slip ring 22, and the first anti-slip ring 22 is used for limiting the first sealing ring 21 in the sinking groove.

In order to facilitate the installation of the first anti-drop ring 22 on the end cover 20, one side of the end cover 20 facing the pressure relief cavity 30 is provided with installation grooves which are spaced at the periphery of the sinking groove or are arranged on the inner wall of the sinking groove;

the first anti-slip ring 22 is fixed in the mounting groove, and at least a part of the first anti-slip ring 22 is overlapped with the first sealing ring 21.

In another embodiment, as shown in fig. 7 to 11, the electromagnetic blowing valve 100 further includes an isolation component 23 mounted on the valve body 10, the isolation component 23 and the valve body 10 enclose a pressure relief cavity 30 communicated with the pressure relief opening 12;

the isolation assembly 23 includes a sleeve 231 sealingly inserted in the pressure relief cavity 30, and an end socket 232 fixed in the sleeve 231, the end socket 232 is provided with an isolation hole opposite to the pressure relief opening 12, the movable iron core 44 in the electromagnetic driving mechanism 40 is fixedly connected with the valve rod 50, and the valve rod 50 slidably and sealingly penetrates through the isolation hole to open and close the pressure relief opening 12.

The second cavity 13b is isolated from the cavity of the electromagnetic driving mechanism 40 by the isolating component 23, so that impurities in the medium gas can be prevented from entering the electromagnetic driving mechanism 40, the effect of protecting the inner cavity of the electromagnetic driving mechanism 40 is achieved, the electromagnetic driving mechanism 40 can work smoothly, and the service life of the electromagnetic injection valve 100 is greatly prolonged.

In order to improve the sealing between the end socket 232 and the valve rod 50, a sink groove at the periphery of the isolation hole is formed in one side of the end socket 232 facing the pressure relief cavity 30, and the sink groove is provided with a second sealing ring 233 in sliding fit with the valve rod 50;

in order to secure the second sealing ring 233 to the head 232 and to secure the head 232 within the sleeve 231, the isolation assembly 23 further includes a second anti-run-off ring 234 secured to the sleeve 231, the second anti-run-off ring 234 trapping the second sealing ring 233 within the sink and/or securing the head 232 within the sleeve 231.

The inner wall of the sleeve 231 is convexly provided with a limiting part 235, one side of the end socket 232, which is back to the pressure relief cavity 30, abuts against the limiting part 235, and one side of the end socket 232, which faces the pressure relief cavity 30, abuts against the second anti-drop ring 234.

A limiting groove is formed in the inner wall of the sleeve 231, and the circumferential outer edge of the second anti-drop ring 234 extends into the limiting groove, so that the second anti-drop ring 234 can be fixed in the sleeve 231;

wherein, the circumference outer fringe of second anticreep ring 234 is buckled and is provided with a plurality of portions 236 of bending, and the portion 236 of bending has certain elasticity, and when second anticreep ring 234 was fixed in sleeve 231, the portion 236 of bending deformation so that second anticreep ring 234 removed in sleeve 231, until the portion 236 of bending moved to the spacing groove position, the portion 236 of bending resets the joint in the spacing groove, fixes second anticreep ring 234 in sleeve 231.

A shaft shoulder 237 is arranged on the outer side wall of the sleeve 231, and a stepped groove matched with the shaft shoulder 237 is formed in the valve body 10;

the valve body 10 is further fixed with an annular end cap 238 at the outer periphery of the sleeve 231, and the inner edge of the annular end cap 238 overlaps the shoulder 237 to limit the shoulder 237 in the stepped groove. To facilitate removal of the isolator assembly 23, an annular end cap 238 is secured to the valve body 10 by screws.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features. When technical features in different embodiments are represented in the same drawing, it can be seen that the drawing also discloses a combination of the embodiments concerned.

The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.

Claims (10)

1. The double-outlet electromagnetic blowing valve comprises a valve body with an inlet and an outlet, wherein the inlet and the outlet are communicated through a valve port;

the number of the outlets is two, the outlets are respectively a first outlet and a second outlet, and the first outlet and the second outlet are respectively and correspondingly communicated with one of the branch flow passages.

2. The electromagnetic blow valve of claim 1, wherein the valve body has a valve body centerline passing through the valve port, the inlet and the outlet are respectively located on both sides of the valve body centerline, and the projections of the first outlet and the second outlet on the valve body centerline are arranged in a staggered manner.

3. The electromagnetic blow valve of claim 2 wherein said main flow passage extends along a valve body centerline, said two branch flow passages flanking said main flow passage;

an included angle between the extending directions of the two branch flow channels is 0-15 degrees;

the included angle between the extending direction of each branch flow channel and the central line of the valve body is 75-90 degrees.

4. The electromagnetic blow valve of claim 1 wherein the projection of the inlet port on the centerline of the valve body is between the projection of the two outlet ports on the centerline of the valve body.

5. The electromagnetic blow valve of claim 2, wherein the first outlet is closer to the valve port than the second outlet in a direction of extension of a centerline of the valve body, and the first outlet is further from the centerline of the valve body than the second outlet.

6. The electromagnetic blowing valve of claim 1, wherein an included angle between end faces of the two outlets on the valve body is 0-15 degrees.

7. The electromagnetic blow valve of claim 1, wherein the inlet and the outlet are oppositely oriented.

8. The electromagnetic blow valve according to claim 1, characterized in that the valve body is provided with a flange at the inlet and/or at least one outlet.

9. The electromagnetic blowing valve of claim 1, wherein a diaphragm assembly is disposed in the valve body for opening and closing the valve port, the diaphragm assembly divides the interior of the valve body into a first chamber and a second chamber, the diaphragm assembly has a restriction opening communicating the first chamber with the second chamber, and the inlet and each outlet are communicated with the first chamber;

the valve body is also provided with a pressure relief opening communicated with the second cavity, an electromagnetic driving mechanism is arranged outside the valve body, a movable iron core in the electromagnetic driving mechanism is fixedly connected with a valve rod, the valve body is provided with a valve body central line passing through the valve port, and the valve rod extends along the valve body central line and is inserted into the valve body to open and close the pressure relief opening.

10. The electromagnetic blow valve of claim 9, wherein the diaphragm assembly comprises:

a diaphragm secured within the valve body;

a sealing element disposed on the diaphragm, the sealing element cooperating with the valve port;

the first elastic piece is arranged between the sealing piece and the inner wall of the second cavity and used for driving the sealing piece to close the valve port.

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