CN210566429U

CN210566429U - Diaphragm type electromagnetic valve capable of manually and emergently closing water pipe

Info

Publication number: CN210566429U
Application number: CN201921584439.8U
Authority: CN
Inventors: 叶嘉添
Original assignee: Zhejiang Huayun Fluid Technology Co ltd
Current assignee: Zhejiang Huayun Fluid Technology Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-05-19
Anticipated expiration: 2029-09-23

Abstract

The utility model discloses a can manual emergency shutdown diaphragm type solenoid valve for water pipe, including the inferior valve, the first mouth of pipe of one side fixedly connected with and the second mouth of pipe of inferior valve, the middle part fixedly connected with wiring mouth of inferior valve, the opposite side fixedly connected with water pipe of inferior valve, the water pipe is provided with the water valve, the lower extreme fixedly connected with row's mouth of pipe of inferior valve, screw fixedly connected with epitheca is passed through to the upper end of inferior valve, the top of epitheca is provided with lifting rod and runs through epitheca to inside, the inside of inferior valve is provided with the valve body, the valve body all communicates with first mouth of pipe, the second mouth of pipe and row's mouth, the valve body is close to water pipe one side fixedly connected with import and communicates with the water. The utility model discloses in, can act as the pressure source through the running water, reduce hydraulic pressure or air pressure device, increase manual closing device simultaneously, improve the security.

Description

Diaphragm type electromagnetic valve capable of manually and emergently closing water pipe

Technical Field

The utility model relates to a mud valve control field especially relates to a can manual promptly close diaphragm type solenoid valve for water pipe.

Background

The electromagnetic valve is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, and is not limited to hydraulic pressure and pneumatic pressure. Used in industrial control systems to regulate the direction, flow, velocity and other parameters of a medium. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured. There are many types of solenoid valves, with different solenoid valves functioning at different locations in the control system, the most common being one-way valves, safety valves, directional control valves, speed control valves, etc. Solenoid valves are also commonly used for control of diaphragm-type mud valves.

At present, the diaphragm type mud discharging valve is usually controlled by a solenoid valve. In general, the solenoid valve has no manual operation device, and cannot be manually controlled in an emergency. Meanwhile, a pressure source connected to the electromagnetic valve needs to be provided by a hydraulic or pneumatic device, and the later maintenance is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a diaphragm type electromagnetic valve which can be manually and emergently closed for a water pipe.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a can manual emergency shutdown diaphragm type solenoid valve for water pipe, includes the inferior valve, the first mouth of pipe of one side fixedly connected with and the second mouth of pipe of inferior valve, the middle part fixedly connected with wiring mouth of inferior valve, the opposite side fixedly connected with water pipe of inferior valve, the water pipe is provided with the water valve, the lower extreme fixedly connected with row's mouth of pipe of inferior valve, screw fixedly connected with epitheca is passed through to the upper end of inferior valve, the top of epitheca is provided with the lifting rod and the lifting rod runs through epitheca to inside, the inside of inferior valve is provided with the valve body, the valve body all with first mouth of pipe, the second mouth of pipe and row's mouth intercommunication, the valve body is close to water pipe one side fixedly connected with.

As a further description of the above technical solution:

the valve body is internally provided with a valve core which penetrates through the inside of the upper shell, and the side wall of the valve core is fixedly connected with three pistons.

As a further description of the above technical solution:

the piston divides the inner space of the valve body into a first chamber, a second chamber and a third chamber, and a first spring is arranged between the valve body and the valve core in the third chamber.

As a further description of the above technical solution:

the side wall of the inner position of the upper shell of the valve core is fixedly connected with a magnet, the outer side of the magnet in the upper shell is fixedly connected with a coil, and the upper end of the valve core is fixedly connected with a connecting lower part.

As a further description of the above technical solution:

the upper end of the lower connecting part is fixedly connected with the upper connecting part through bolts and nuts, the lifting rod penetrates through the lower connecting part and the upper connecting part, and the lower end of the lifting rod is fixedly connected with a bottom plate.

As a further description of the above technical solution:

the side wall of the lifting rod is connected with a convex ring fixedly connected above the upper part, and a second spring is arranged between the convex ring and the upper wall of the upper shell.

The utility model discloses following beneficial effect has:

1. the utility model discloses, the water pipe can insert the running water when the pressure source during use, and the initial condition of valve body under the effect of first spring does, and the import switches on through the second cavity and the second mouth of pipe, arranges the mouth and switches on through third cavity and first mouth of pipe, produces magnetic force when the coil circular telegram to in the magnet effect, the case moves down, and the import switches on through second cavity and first mouth of pipe this moment, arranges the mouth and switches on through first cavity and second mouth of pipe, has reduced hydraulic pressure or air pressure device.

2. The utility model discloses, connect the lower part and connect the upper portion setting to prevent that solenoid valve during operation lifting rod from moving with the case together, when meetting emergency, can lift or operate the mud valve according to the mode down through the lifting rod, can close the water valve after the operation finishes, cut off the pressure source and prevent that the solenoid valve from carrying out the malfunction.

Drawings

Fig. 1 is a front view of the diaphragm type electromagnetic valve for manually and emergently closing the water pipe according to the present invention.

Fig. 2 is a lower sectional view of the diaphragm type solenoid valve for manually and emergently closing the water pipe according to the present invention.

Fig. 3 is an upper cross-sectional view of the diaphragm type solenoid valve for manually and emergently closing the water pipe according to the present invention.

Illustration of the drawings:

1. a lower case; 2. a first nozzle; 3. a wiring port; 4. a second orifice; 5. an upper shell; 6. lifting a pull rod; 7. a water pipe; 8. a water valve; 9. discharging; 10. a first spring; 11. a valve body; 12. a valve core; 13. a piston; 14. a screw; 15. a first chamber; 16. a second chamber; 17. an inlet; 18. a third chamber; 19. a coil; 20. a magnet; 21. connecting the lower part; 22. a bolt and a nut; 23. connecting the upper part; 24. a convex ring; 25. a second spring; 26. a base plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a diaphragm type electromagnetic valve for manually and emergently closing a water pipe comprises a lower shell 1, a first pipe orifice 2 and a second pipe orifice 4 are fixedly connected to one side of the lower shell 1, a wiring port 3 is fixedly connected to the middle part of the lower shell 1, a water pipe 7 is fixedly connected to the other side of the lower shell 1, can insert the running water, the pressure that utilizes the running water is to relevant device control, hydraulic pressure or air pressure unit have been reduced, reduce cost enlarges application range, water pipe 7 is provided with water valve 8, inferior valve 1's lower extreme fixedly connected with row mouth 9, inferior valve 1's upper end is through screw 14 fixedly connected with epitheca 5, the top of epitheca 5 is provided with lifting rod 6 and runs through epitheca 5 to inside, inferior valve 1's inside is provided with valve body 11, valve body 11 all with first mouth of pipe 2, the mouth of pipe 4 of second and row mouth 9 intercommunication, valve body 11 is close to water pipe 7 one side fixedly connected with import 17 and communicates with water pipe 7.

A valve core 12 is arranged in the valve body 11 and the valve core 12 penetrates into the upper shell 5, the number of the side walls of the valve core 12 is three, the piston 13 divides the inner space of the valve body 11 into a first chamber 15, a second chamber 16 and a third chamber 18, a first spring 10 is arranged between the valve body 11 and the valve core 12 in the third chamber 18, the side wall of the valve core 12 at the inner position of the upper shell 5 is fixedly connected with a magnet 20, the outer side of the magnet 20 in the upper shell 5 is fixedly connected with a coil 19, the magnet 20 can be controlled to move up and down by the on-off of the coil 19, the upper end of the valve core 12 is fixedly connected with a connecting lower part 21, the upper end of the connecting lower part 21 is fixedly connected with a connecting upper part 23 through a bolt and a nut 22, the lifting rod 6 penetrates into the connecting lower part 21 and the connecting upper part 23, the lower end of the lifting rod 6 is fixedly connected with a, a second spring 25 is arranged between the convex ring 24 and the upper wall of the upper shell 5, and the lifting rod 6 is prevented from moving together with the valve core 12 when the electromagnetic valve works.

The working principle is as follows: the utility model is mainly the control design of the JM744 mud discharge valve, when in use, the water pipe 7 can be connected with tap water as a pressure source, the initial state of the valve body 11 under the action of the first spring 10 is that the inlet 17 is communicated with the second pipe orifice 4 through the second cavity 16, the discharge port 9 is communicated with the first pipe orifice 2 through the third cavity 18, when the coil 19 is electrified, magnetic force is generated, the valve core 12 moves downwards under the action of the magnet 20, the inlet 17 is communicated with the first pipe orifice 2 through the second chamber 16, the discharge port 9 is communicated with the second pipe orifice 4 through the first chamber 15, the connecting lower part 21 and the connecting upper part 23 are arranged to prevent the lifting rod 6 from acting together with the valve core 12 when the electromagnetic valve works, when an emergency situation occurs, the mud valve can be operated by lifting or pressing the lifting rod 6, the water valve 8 can be closed after the operation is finished, and the pressure source is cut off to prevent the electromagnetic valve from performing misoperation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a can manual emergency shutdown diaphragm type solenoid valve for water pipe, includes inferior valve (1), its characterized in that: one side of the lower shell (1) is fixedly connected with a first pipe orifice (2) and a second pipe orifice (4), the middle part of the lower shell (1) is fixedly connected with a wiring port (3), the other side of the lower shell (1) is fixedly connected with a water pipe (7), the water pipe (7) is provided with a water valve (8), the lower end of the lower shell (1) is fixedly connected with a drain outlet (9), the upper end of the lower shell (1) is fixedly connected with an upper shell (5) through a screw (14), a lifting rod (6) is arranged above the upper shell (5), the lifting rod (6) penetrates through the upper shell (5) to the inside, a valve body (11) is arranged in the lower shell (1), the valve body (11) is communicated with the first pipe orifice (2), the second pipe orifice (4) and the discharge orifice (9), one side of the valve body (11) close to the water pipe (7) is fixedly connected with an inlet (17) and communicated with the water pipe (7).

2. A diaphragm type solenoid valve for manually and urgently closing a water pipe according to claim 1, wherein: the valve is characterized in that a valve core (12) is arranged in the valve body (11), the valve core (12) penetrates into the upper shell (5), and the number of pistons (13) fixedly connected to the side wall of the valve core (12) is three.

3. A diaphragm type solenoid valve for manually and urgently closing a water pipe according to claim 2, wherein: the piston (13) divides the inner space of the valve body (11) into a first chamber (15), a second chamber (16) and a third chamber (18), and a first spring (10) is arranged between the valve body (11) and the valve core (12) in the third chamber (18).

4. A diaphragm type solenoid valve for manually and urgently closing a water pipe according to claim 2, wherein: the side wall of the inner position of the upper shell (5) of the valve core (12) is fixedly connected with a magnet (20), the outer side of the inner magnet (20) of the upper shell (5) is fixedly connected with a coil (19), and the upper end of the valve core (12) is fixedly connected with a connecting lower part (21).

5. The diaphragm type solenoid valve for manually and urgently closing water pipe according to claim 4, wherein: the upper end of the connecting lower part (21) is fixedly connected with a connecting upper part (23) through a bolt and a nut (22), the lifting rod (6) penetrates through the space between the connecting lower part (21) and the connecting upper part (23), and the lower end of the lifting rod (6) is fixedly connected with a bottom plate (26).

6. A diaphragm type solenoid valve for manually and urgently closing a water pipe according to claim 1, wherein: the side wall of the lifting rod (6) is connected with a convex ring (24) fixedly connected above the upper part (23), and a second spring (25) is arranged between the convex ring (24) and the upper wall of the upper shell (5).