CN217381752U

CN217381752U - Three-position three-way valve group

Info

Publication number: CN217381752U
Application number: CN202220953739.4U
Authority: CN
Inventors: 何毅
Original assignee: Ningbo Haishu Eric Machinery Co ltd
Current assignee: Ningbo Haishu Eric Machinery Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-09-06
Anticipated expiration: 2032-04-24

Abstract

The utility model relates to the technical field of electromagnetic valves, in particular to a three-position three-way valve group, which comprises a bus board and a plurality of three-position three-way double electric control electromagnetic valves arranged on the bus board, wherein each three-position three-way double electric control electromagnetic valve comprises a valve body and an air inlet guide head and an air outlet guide head arranged on the valve body, the end surface of the valve body connected with the bus board is provided with an air inlet, a working port and an air outlet, the end surface of the bus board connected with the valve body is provided with an air inlet hole in one-to-one correspondence with the air inlet, a throttling hole in one-to-one correspondence with the working port and an air outlet hole in one-to-one correspondence with the air outlet, the aperture size of each throttling hole is different, the side part of the bus board is provided with an air inlet channel, a working channel and an air outlet channel, the air inlet on the valve body is communicated with the air inlet channel through the corresponding throttling hole, the working port on the valve body is communicated with the working channel through the corresponding throttling hole, the exhaust port on the valve body is communicated with the exhaust channel through a corresponding exhaust hole. The utility model discloses the structure sets up simply, rationally.

Description

Three-position three-way valve group

Technical Field

The utility model relates to a solenoid valve technical field refers in particular to a tribit tee bend valves.

Background

The three-position three-way electromagnetic valve is a common electromagnetic valve structure, the three-way refers to three states of the three-position three-way electromagnetic valve, namely an open state, a keeping state and a close state, and the three-way refers to an air inlet, a working opening and an exhaust opening. The three-position three-way electromagnetic valve can be divided into a three-position three-way manual electromagnetic valve, a three-position three-way single electric control electromagnetic valve and a three-position three-way double electric control electromagnetic valve according to a control mode.

The three-position three-way dual-electric control electromagnetic valve can be used for charging and exhausting gas equipment, the structure mainly comprises a valve body, an air inlet guide head and an air exhaust guide head which are arranged on the valve body respectively, the working principle of the three-position three-way dual-electric control electromagnetic valve is that the two guide heads (namely the air inlet guide head and the air exhaust guide head) are controlled to be powered on and powered off, the valve rod can be controlled to move in the valve body, the air circuit switching of the valve body is realized, the charging/exhausting of the same gas equipment is realized, when the two guide heads are not powered on (namely in a normal state), the valve rod is located in the middle position of the valve body, and the gas equipment is located in a pressure maintaining state (the working port of the valve body is not communicated with an air inlet and is not communicated with an air outlet). However, when the existing three-position three-way dual-electric control electromagnetic valve is used, throttling control cannot be performed on the gas-using equipment, namely, the charging and discharging speeds of the gas-using equipment cannot be adjusted, so that the actual use requirements cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a three-position three-way valve group to the not enough that current three-position three-way double electric control solenoid valve can't carry out throttle control to gas appliances for can be convenient for adjust gas appliances fill, exhaust speed, satisfy the in-service use demand.

In order to achieve the above purpose, the utility model discloses the technical scheme who uses as follows:

a three-position three-way valve group comprises a confluence plate and a plurality of three-position three-way double electric control electromagnetic valves arranged on the confluence plate, wherein each three-position three-way double electric control electromagnetic valve comprises a valve body, and an air inlet pilot head and an air outlet pilot head which are arranged on the valve body, an air inlet, a working port and an air outlet are arranged on the end surface of the valve body connected with the confluence plate, air inlets which are in one-to-one correspondence with the air inlets, throttling holes which are in one-to-one correspondence with the working ports and air outlets which are in one-to-one correspondence with the air outlets are arranged on the end surface of the confluence plate connected with the valve body, and the aperture size of each orifice is different, and the lateral part of cylinder manifold is provided with inlet channel, working channel and exhaust passage, and the air inlet on the valve body communicates with inlet channel through corresponding inlet port, and the working connection on the valve body communicates with working channel through corresponding orifice, and the gas vent on the valve body communicates with exhaust passage through corresponding exhaust hole.

According to the scheme, the air inlet pilot head and the air outlet pilot head are respectively arranged at two ends of the corresponding valve body.

According to the scheme, the bus board is provided with the U-shaped circuit board, the U-shaped circuit board is arranged on the end face, connected with the three-position three-way dual-electric-control electromagnetic valve, of the bus board, one end of the U-shaped circuit board is provided with the air inlet control contact pin corresponding to the air inlet pilot head, the other end of the U-shaped circuit board is provided with the exhaust control contact pin corresponding to the exhaust pilot head, the air inlet pilot head is electrically connected with the air inlet control contact pin, and the exhaust pilot head is electrically connected with the exhaust control contact pin.

According to the scheme, the bus board is provided with the U-shaped mounting groove for mounting the U-shaped circuit board.

According to the scheme, the air inlet holes are uniformly distributed on the bus board along the axial direction of the air inlet channel, and the aperture size of each air inlet hole is the same.

According to the scheme, the exhaust holes are uniformly distributed on the bus board along the axial direction of the exhaust channel, and the aperture size of each exhaust hole is the same.

According to the scheme, the throttling holes are uniformly distributed on the bus board along the axial direction of the working channel, and the hole diameter of the throttling holes is gradually reduced along the axial direction of the working channel.

According to the scheme, the hole diameters of the throttling holes are arranged in an equal difference mode.

The utility model discloses beneficial effect:

the utility model discloses a such structure setting, through with the integrated setting of a plurality of tribit tee bend two electric control solenoid valve on the cylinder manifold, be provided with the inlet port that corresponds with the air inlet on the valve body on the cylinder manifold respectively, the orifice that corresponds with the working port on the valve body and the exhaust hole that corresponds with the gas vent on the valve body, wherein, the aperture size of every orifice is all inequality, make at the during operation, can be according to filling of gas appliances, the exhaust demand, lead the head through the air inlet of controlling corresponding tribit tee bend two electric control solenoid valve, the first outage that leads of exhaust, thereby adjust filling of gas appliances, exhaust speed, satisfy the in-service use demand. The utility model discloses the structure sets up simply, rationally.

Drawings

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

fig. 2 is an assembly drawing of the three-position three-way dual-electric control electromagnetic valve and the confluence plate of the present invention.

1. A three-position three-way double-electric control electromagnetic valve; 11. a valve body; 12. an air inlet pilot head; 13. an exhaust pilot head; 2. a bus bar; 21. an air intake passage; 22. a working channel; 23. an exhaust passage; 24. a U-shaped circuit board; 25. an air inlet control contact pin; 26. an air inlet; 27. an exhaust control pin; 28. an exhaust hole; 29. an orifice.

Detailed Description

The technical solution of the present invention will be described below with reference to the accompanying drawings and examples.

As shown in fig. 1 and fig. 2, the three-position three-way valve set of the present invention comprises a manifold 2 and a plurality of three-position three-way dual electric control electromagnetic valves 1 disposed on the manifold 2, each of the three-position three-way dual electric control electromagnetic valves 1 comprises a valve body 11, and an air inlet pilot head 12 and an air outlet pilot head 13 disposed on the valve body 11, an air inlet, a working port and an air outlet are disposed on the end surface of the valve body 11 connected to the manifold 2, air inlet holes 26 corresponding to the air inlet one by one, orifices 29 corresponding to the working ports one by one, and air outlet holes 28 corresponding to the air outlet one by one are disposed on the end surface of the manifold 2 connected to the valve body 11, the aperture sizes of the orifices 29 are different, an air inlet channel 21, a working channel 22 and an air outlet channel 23 are disposed on the side of the manifold 2, the air inlet on the valve body 11 is communicated with the air inlet channel 21 through the corresponding air inlet holes 26, the working ports on the valve body 11 communicate with the working passages 22 through the respective throttle holes 29, and the exhaust ports on the valve body 11 communicate with the exhaust passages 23 through the respective exhaust holes 28. The above structure is the basic structure of the utility model.

The utility model discloses a such structure setting, through with the integrated setting on cylinder manifold 2 of the two electric control solenoid valve 1 of a plurality of tribit tee bend, be provided with the inlet port 26 that corresponds with the air inlet on the valve body 11 on cylinder manifold 2 respectively, the orifice 29 that corresponds with the working port on the valve body 11 and the exhaust hole 28 that corresponds with the gas vent on the valve body 11, wherein, the aperture size of every orifice 29 is all inequality, make at the during operation, can be according to the gas appliances fill, the exhaust demand, through the two electric control solenoid valve 1's of corresponding tribit tee bend air inlet guide head 12 of control, exhaust guide head 13 carries out the break-make electricity, thereby adjust filling of gas appliances, exhaust speed, satisfy the in-service use demand. The utility model discloses the structure sets up simply, rationally.

In the present embodiment, the intake pilot head 12 and the exhaust pilot head 13 are respectively disposed at both ends of the corresponding valve body 11. By adopting the structure, the three-position three-way double-electric-control electromagnetic valve 1 is more reasonable in layout, the overall structure of the three-position three-way valve group can be more compact, and the required installation space can be saved.

In this embodiment, a U-shaped circuit board 24 is disposed on the bus board 2, the U-shaped circuit board 24 is disposed on an end surface of the bus board 2 connected to the three-position three-way dual-electric-control electromagnetic valve 1, an air inlet control pin 25 corresponding to the air inlet pilot head 12 is disposed at one end of the U-shaped circuit board 24, an exhaust control pin 27 corresponding to the exhaust pilot head 13 is disposed at the other end of the U-shaped circuit board 24, the air inlet pilot head 12 is electrically connected to the air inlet control pin 25, and the exhaust pilot head 13 is electrically connected to the exhaust control pin 27. By adopting the structure, the assembly is more convenient, wherein the air inlet control pin 25 is used for realizing the electric connection between the U-shaped circuit board 24 and the air inlet guide head 12, and the air outlet control pin 27 is used for realizing the electric connection between the U-shaped circuit board 24 and the air outlet guide head 13, thereby realizing the on-off control of the U-shaped circuit board 24 on the air inlet guide head 12 and the air outlet guide head 13.

In this embodiment, the bus bar 2 is provided with a U-shaped mounting slot for mounting the U-shaped circuit board 24. By adopting the structure, the U-shaped circuit board 24 can be positioned through the U-shaped mounting groove, and the assembly efficiency and the assembly precision are improved.

In the present embodiment, the air inlet holes 26 are uniformly arranged on the bus bar 2 along the axial direction of the air inlet channel 21, the aperture size of each air inlet hole 26 is the same, the air outlet holes 28 are uniformly arranged on the bus bar 2 along the axial direction of the air outlet channel 23, and the aperture size of each air outlet hole 28 is the same. By adopting the structure, the aperture of each air inlet 26 is set to be the same size, and the aperture of each air outlet 28 is set to be the same size, so that when different three-position three-way dual-electric control electromagnetic valves 1 are started, the air charging and discharging speed of the air-using equipment is only influenced by the corresponding throttling hole 29, but not influenced by the apertures of the air inlet 26 and the air outlet 28, and the control precision is ensured.

In the present embodiment, the throttle holes 29 are uniformly arranged on the bus bar 2 along the axial direction of the working channel 22, the hole diameters of the throttle holes 29 are gradually reduced along the axial direction of the working channel 22, and the hole diameters of the throttle holes 29 are arranged in an equal difference manner. By adopting the structure, the hole diameter of the throttling hole 29 is gradually reduced, so that the control of the charging and discharging speed of the gas-using equipment is more stable and reliable.

The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, and these forms are within the scope of the present invention.

Claims

1. A three-position three-way valve group is characterized in that: the three-position three-way double-electric-control electromagnetic valve comprises a bus board (2) and a plurality of three-position three-way double-electric-control electromagnetic valves (1) arranged on the bus board (2), wherein each three-position three-way double-electric-control electromagnetic valve (1) comprises a valve body (11), an air inlet guide head (12) and an air exhaust guide head (13) which are arranged on the valve body (11), air inlets, working ports and air outlets are arranged on the end surfaces of the valve body (11) connected with the bus board (2), air inlets (26) which are in one-to-one correspondence with the air inlets, throttling holes (29) which are in one-to-one correspondence with the working ports and air exhaust holes (28) which are in one-to-one correspondence with the air outlets are arranged on the end surfaces of the bus board (2) connected with the valve body (11), the pore sizes of all the throttling holes (29) are different, an air inlet channel (21), a working channel (22) and an air exhaust channel (23) are arranged on the side part of the bus board (2), the air inlet on the valve body (11) is communicated with the air inlet channel (21) through a corresponding air inlet hole (26), the working port on the valve body (11) is communicated with the working channel (22) through a corresponding throttling hole (29), and the air outlet on the valve body (11) is communicated with the air outlet channel (23) through a corresponding air outlet hole (28).

2. A three-position, three-way valve block according to claim 1, wherein: the air inlet guide head (12) and the air outlet guide head (13) are respectively arranged at two ends of the corresponding valve body (11).

3. A three-position, three-way valve block according to claim 1, wherein: be provided with U-shaped circuit board (24) on cylinder manifold (2), U-shaped circuit board (24) set up on the terminal surface that cylinder manifold (2) and three-position tee bend dual electric control solenoid valve (1) are connected, the one end of U-shaped circuit board (24) is provided with and admits air control contact pin (25) corresponding with leading head (12) of admitting air, the other end of U-shaped circuit board (24) is provided with and exhausts leading head (13) corresponding exhaust control contact pin (27), admit air leading head (12) and control contact pin (25) electric connection that admits air, exhaust leading head (13) and exhaust control contact pin (27) electric connection.

4. A three-position, three-way valve block as claimed in claim 3, wherein: and a U-shaped mounting groove for mounting the U-shaped circuit board (24) is formed in the bus board (2).

5. A three-position, three-way valve block according to claim 1, wherein: the air inlets (26) are uniformly distributed on the bus board (2) along the axial direction of the air inlet channel (21), and the aperture size of each air inlet (26) is the same.

6. A three-position, three-way valve block according to claim 1, wherein: the exhaust holes (28) are uniformly distributed on the bus board (2) along the axial direction of the exhaust channel (23), and the hole diameters of the exhaust holes (28) are the same.

7. A three-position, three-way valve block according to claim 1, wherein: the throttling holes (29) are uniformly distributed on the bus board (2) along the axial direction of the working channel (22), and the hole diameters of the throttling holes (29) are gradually reduced along the axial direction of the working channel (22).

8. A three-position, three-way valve block as claimed in claim 7, wherein: the diameters of the orifices (29) are arranged in an equal difference mode.