CN218207926U

CN218207926U - Electromagnetic valve

Info

Publication number: CN218207926U
Application number: CN202222440567.3U
Authority: CN
Inventors: 熊颖申; 何光雄; 雷立强; 曾凯波
Original assignee: Shenzhen Cnht Ltd
Current assignee: Shenzhen Cnht Ltd
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-01-03
Anticipated expiration: 2032-09-15

Abstract

The utility model discloses a solenoid valve, include valve body, diaphragm, hold the pipe, move iron core, quiet iron core, spring, pressure release bolt and coil, the coil housing is established on holding the pipe, move iron core and quiet iron core and set up in holding intraductally, move the iron core and be located quiet iron core below, the diaphragm with move the iron core bottom and be connected, be provided with the screw hole that runs through its roof and diapire on the quiet iron core, pressure release bolt and screw hole threaded connection, the both ends of spring are connected with pressure release bolt and moving the iron core respectively, have the valve port on the valve body, hold the pipe and be connected with the valve body, the diaphragm seals the valve port, and the coil circular telegram moves the iron core and can the upward movement drive diaphragm motion, and the diaphragm is opened the valve port, and this structure is under the condition of outage, and the staff also can control opening and closing of solenoid valve to the drawback that the solenoid valve can not work completely when having avoided the outage, use under the emergency situation when realizing solenoid valve or damaging.

Description

Electromagnetic valve

Technical Field

The utility model relates to a valve body technical field, concretely relates to solenoid valve.

Background

The Solenoid valve (Solenoid 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.

The normally closed electromagnetic valve is a device for controlling the movement of the movable iron core inside through energization to realize the opening and closing of the valve port, and once the movable iron core cannot normally move upwards due to power failure or other reasons, the electromagnetic valve cannot work, a channel cannot be opened completely, and the electromagnetic valve cannot be used in emergency when the electromagnetic valve is powered off or damaged.

SUMMERY OF THE UTILITY MODEL

Defect to among the prior art, the utility model provides a solenoid valve, this device is under the condition of outage, and the staff also can control opening and closing of solenoid valve to the use under the emergency when the solenoid valve outage or damage is realized to the drawback that the solenoid valve can not work completely when having avoided the outage.

The utility model provides an electromagnetic valve, includes valve body, diaphragm, holds the pipe, moves iron core, quiet iron core, spring, pressure release bolt and coil, the coil cover is established on holding the pipe, move iron core and quiet iron core and set up in holding intraductally, move the iron core and be located quiet iron core below, the diaphragm with move the iron core bottom and be connected, be provided with the screw hole that runs through its roof and diapire on the quiet iron core, pressure release bolt and screw hole threaded connection, the both ends of spring respectively with pressure release bolt with move the iron core and be connected, have the valve port on the valve body, hold the pipe and be connected with the valve body, the diaphragm seals the valve port, the coil circular telegram, move the iron core and can the upward movement drive diaphragm motion, the diaphragm is opened the valve port.

Preferably, the valve body comprises a left pipeline, a right pipeline and a container, the upper end of the container is open, a fixed pipe is arranged in the container, the left pipeline penetrates through the side wall of the container and is communicated with the inner cavity of the container, the right pipeline penetrates through the side wall of the container and is communicated with the inner cavity of the fixed pipe, the container pipe is connected with the container, the top end of the container is sealed by the container pipe, the top end of the fixed pipe is a valve port, and the top end of the fixed pipe is sealed by a diaphragm.

Preferably, the bottom of the outer wall of the containing pipe is connected with a screw cap, and the screw cap is in threaded connection with the outer wall of the container.

Preferably, the inner wall of the container is provided with an annular step, the diaphragm is connected with the top wall of the annular step and completely covers a middle hole of the annular step, and the movable iron core moves upwards to drive the diaphragm to generate elastic deformation so as to open the top end of the fixed tube.

Preferably, the coil is a solenoid coil.

The beneficial effects of the utility model are embodied in: this technical scheme is on traditional normally closed solenoid valve basis, set up the screw hole that runs through its roof and diapire on quiet iron core, at screw hole internal thread connection pressure release bolt, pressure release bolt and move and set up the spring between the iron core, when outage or system damage, it can't rise automatically to move the iron core, rotate the pressure release bolt upward movement this moment, the top upward movement of pressure release bolt pulling spring, the spring produces and warp, the spring produces elastic restoring force, utilize the elastic restoring force of spring, the bottom of spring can stimulate and move iron core upward movement, thereby drive the diaphragm upward movement, the diaphragm is opened the valve port, realize outage or the use under the emergency when solenoid valve damages.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

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

FIG. 2 is a front sectional view of the valve port opened by the diaphragm according to the present invention;

fig. 3 is the overall structure schematic diagram of the middle valve body of the present invention.

In the figure, 1-valve body, 2-diaphragm, 3-containing tube, 4-rotary cover, 5-movable iron core, 6-static iron core, 7-spring, 8-pressure relief bolt, 9-coil, 101-left pipeline, 102-right pipeline, 103-container, 104-fixed tube, 105-annular step.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

Example 1

As shown in fig. 1-3, the present embodiment provides an electromagnetic valve, which includes a valve body 1, a diaphragm 2, a containing tube 3, a movable iron core 5, a stationary iron core 6, a spring 7, a pressure relief bolt 8, and a coil 9, where the coil 9 is sleeved on the containing tube 3, the movable iron core 5 and the stationary iron core 6 are disposed in the containing tube 3, the movable iron core 5 is located below the stationary iron core 6, the diaphragm 2 is connected to the bottom end of the movable iron core 5, a threaded hole penetrating through the top wall and the bottom wall of the stationary iron core 6 is disposed on the stationary iron core 6, the pressure relief bolt 8 is in threaded connection with the threaded hole, two ends of the spring 7 are respectively connected to the pressure relief bolt 8 and the movable iron core 5, the valve body 1 has a valve port, the containing tube 3 is connected to the valve body 1, the diaphragm 2 closes the valve port, the coil 9 is energized, the movable iron core 5 can move upward to drive the diaphragm 2 to move, and the diaphragm 2 opens the valve port.

Traditional normally closed solenoid valve, including valve body 1, diaphragm 2, hold pipe 3, move iron core 5, quiet iron core 6 and coil 9, coil 9 cover is established on holding pipe 3, move iron core 5 and quiet iron core 6 and set up in holding pipe 3, move iron core 5 and lie in quiet iron core 6 below, diaphragm 2 with move iron core 5 bottom and be connected, have the valve port on the valve body 1, hold pipe 3 and be connected with valve body 1, diaphragm 2 seals the valve port, and coil 9 circular telegram moves diaphragm 2 motion that can the upward movement drive of iron core 5, and diaphragm 2 is opened the valve port.

When traditional normally closed solenoid valve was used, when coil 9 did not switch on, it has gravity to move iron core 5, diaphragm 2 was sealed the valve port of valve body 1 this moment, when coil 9 switched on, quiet iron core 6 was motionless, move iron core 5 upward movement, move iron core 5 and drive the motion of diaphragm 2 and open the function that realizes the solenoid valve with the valve port, this kind of solenoid valve is when reasons such as outage or system damage, it can't rise to move iron core 5, then the valve port can't be opened, liquid can't flow, can't realize emergency's use.

This technical scheme is on traditional normally closed solenoid valve basis, set up the screw hole that runs through its roof and diapire on quiet iron core 6, at screw hole internal thread connection pressure release bolt 8, pressure release bolt 8 and move and set up spring 7 between the iron core 5, when outage or system damage, it can't rise automatically to move iron core 5, if need open the valve port this moment, rotate pressure release bolt 8 and move upwards, the top upward movement of pressure release bolt 8 pulling spring 7, spring 7 produces the deformation, spring 7 produces the elastic restoring force, utilize spring 7's elastic restoring force, spring 7's bottom can be to moving iron core 5 application ascending effort, iron core 5 upward movement is moved in the pulling, thereby drive diaphragm 2 upward movement, diaphragm 2 is opened the valve port when will waiting, realize outage or the use under the solenoid valve damage emergency.

In the technical scheme, the valve body 1 comprises a left pipeline 101, a right pipeline 102 and a container 103, the upper end of the container 103 is open, a fixed pipe 104 is arranged in the container 103, the left pipeline 101 penetrates through the side wall of the container 103 to be communicated with the inner cavity of the container 103, the right pipeline 102 penetrates through the side wall of the container 103 and the fixed pipe 104 to be communicated with the inner cavity of the fixed pipe 104, the container 3 is connected with the container 103, the top end of the container 103 is sealed by the container 3, the top end of the fixed pipe 104 is a valve port, and the top end of the fixed pipe 104 is sealed by a diaphragm 2.

In the technical scheme, the bottom of the outer wall of the accommodating tube 3 is connected with a screw cap 4, and the screw cap 4 is in threaded connection with the outer wall of the accommodating device 103.

In the technical scheme, the inner wall of the container 103 is provided with an annular step 105, the diaphragm 2 is connected with the top wall of the annular step 105 and covers the middle hole of the annular step 105, and the movable iron core 5 moves upwards to drive the diaphragm 2 to generate elastic deformation to open the top end of the fixed tube 104. In this embodiment, the annular step 105 is provided, and the diaphragm 2 covers the entire center hole of the annular step 105, so that the liquid in the container 103 is prevented from entering the container tube 103.

Valve body 1 includes left pipeline 101 in this embodiment, right pipeline 102 and container 103, set up fixed pipe 104 in the container 103, left side pipeline 101 and container 103 inner chamber intercommunication, right side pipeline 102 and fixed pipe 104 intercommunication, under the initial condition, diaphragm 2 is connected with the roof of annular step 105, diaphragm 2 seals the mesopore of annular step 105, and under the action of gravity of moving iron core 5, diaphragm 2 seals fixed pipe 104 top, when moving iron core 5 upward movement, drive diaphragm 2 motion, diaphragm 2 produces elastic deformation and opens fixed pipe 104's top. In this embodiment, the coil 9 is a solenoid coil.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The electromagnetic valve is characterized by comprising a valve body (1), a membrane (2), a containing pipe (3), a movable iron core (5), a static iron core (6), a spring (7), a pressure relief bolt (8) and a coil (9), wherein the coil (9) is sleeved on the containing pipe (3), the movable iron core (5) and the static iron core (6) are arranged in the containing pipe (3), the movable iron core (5) is located below the static iron core (6), the membrane (2) is connected with the bottom end of the movable iron core (5), a threaded hole penetrating through the top wall and the bottom wall of the static iron core (6) is formed in the static iron core (6), the pressure relief bolt (8) is in threaded connection with the threaded hole, the two ends of the spring (7) are respectively connected with the pressure relief bolt (8) and the movable iron core (5), a valve port is formed in the valve body (1), the containing pipe (3) is connected with the valve body (1), the valve port (2) is sealed, the coil (9) is electrified, the movable iron core (5) can move upwards to drive the membrane (2) to move, and the valve port (2) is opened.

2. The electromagnetic valve according to claim 1, wherein the valve body (1) comprises a left pipe (101), a right pipe (102) and a container (103), the upper end of the container (103) is open, a fixed pipe (104) is arranged in the container (103), the left pipe (101) passes through the side wall of the container (103) and is communicated with the inner cavity of the container (103), the right pipe (102) passes through the side wall of the container (103) and is communicated with the inner cavity of the fixed pipe (104), the container (3) is connected with the container (103), the container (3) closes the top end of the container (103), the top end of the fixed pipe (104) is a valve port, and the diaphragm (2) closes the top end of the fixed pipe (104).

3. The solenoid valve according to claim 2, characterised in that a screw cap (4) is connected to the bottom of the outer wall of the containing pipe (3), and the screw cap (4) is in threaded connection with the outer wall of the container (103).

4. A solenoid valve according to claim 2, characterized in that the inner wall of the container (103) is provided with an annular step (105), the diaphragm (2) is connected with the top wall of the annular step (105) and covers the central hole of the annular step (105), and the upward movement of the plunger (5) can drive the diaphragm (2) to elastically deform to open the top end of the fixed tube (104).

5. A solenoid valve according to claim 1, characterised in that said coil (9) is a solenoid coil.