CN210661411U

CN210661411U - Flow-adjustable electromagnetic valve

Info

Publication number: CN210661411U
Application number: CN201921612674.1U
Authority: CN
Inventors: 蒋宁
Original assignee: Changzhou Hanke Machinery Co Ltd
Current assignee: Changzhou Hanke Machinery Co Ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-06-02
Anticipated expiration: 2029-09-26

Abstract

The utility model belongs to the technical field of solenoid valves, in particular to a solenoid valve with adjustable flow, comprising a valve body, wherein an upper chamber and a lower chamber are arranged in the valve body, and the upper chamber and the inlet of the valve body are provided with an upper chamber and a lower chamber. The lower chamber is communicated with the outlet of the valve body, the valve body is provided with a valve port, one end of the valve port is communicated with the upper chamber, and the other end of the valve port is communicated with the lower chamber, the The valve body is provided with a flow regulating device for regulating the flow in the valve port. The flow-adjustable solenoid valve can manually control the flow rate of the medium as required, and has a simple structure.

Description

Flow-adjustable electromagnetic valve

Technical Field

The utility model belongs to the technical field of the solenoid valve, concretely relates to flow adjustable solenoid valve.

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 structure of the currently used electromagnetic valve is shown in fig. 1, and comprises a coil (8), a fixed iron core (6), a movable iron core (7), a spring (14), a valve port (13) and a valve body (1). When the power is on, the movable iron core (7) moves upwards under the action of electromagnetic force to be separated from the valve port (13), the valve port (13) is opened, a medium flows from the inlet to the outlet, and at the moment, the electromagnetic valve is in an open state; when the power is off, the movable iron core (7) moves downwards under the action of the return spring (14) to block the valve port (13), the valve port (13) is closed, a medium cannot flow from the inlet to the outlet, and the electromagnetic valve is in a closed state at the moment. However, when the solenoid valve is opened, the flow rate is fixed, and the flow rate of the medium cannot be changed as required, which causes inconvenience in production.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a flow adjustable solenoid valve to solve among the prior art and can not alternate the through-flow of medium as required, the technical problem who brings inconvenience for production.

In order to solve the technical problem, the utility model provides a flow-adjustable electromagnetic valve, which comprises a valve body, wherein an upper chamber and a lower chamber are arranged in the valve body, the upper chamber is communicated with the inlet of the valve body, the lower chamber is communicated with the outlet of the valve body, a valve port is arranged in the valve body, one end of the valve port is communicated with the upper chamber, the other end of the valve port is communicated with the lower chamber,

and a flow regulating device for regulating the flow in the valve port is arranged in the valve body.

Further: the flow regulating device comprises a regulating screw and a moving rod;

a limiting channel vertically communicated with the lower chamber is arranged below the valve body, the limiting channel is arranged opposite to the valve port, the moving rod is movably arranged in the limiting channel, and a first conical surface is arranged at the upper end of the moving rod;

the valve body is internally provided with an adjusting channel, the adjusting channel is vertically communicated with the lower end of the limiting channel, the adjusting screw is screwed in the adjusting channel, one end of the adjusting screw, which is close to the movable rod, is provided with a second conical surface, and the lower end of the movable rod is provided with a wedge surface corresponding to the second conical surface.

Further: the outer side wall of the moving rod is coated with a sealing gasket, and the outer side wall of the sealing gasket is attached to the inner side wall of the limiting channel.

Further: a water storage tank is arranged on the inner side wall of the adjusting channel and is located right below the limiting channel.

Further: the port of the adjusting channel is provided with an annular sealing groove, a sealing ring is arranged in the annular sealing groove, and the adjusting screw rod is arranged in the middle of the sealing ring.

Further: the valve body is internally provided with a movable iron core in a sliding mode, a fixed iron core is arranged above the movable iron core, a coil is sleeved on the fixed iron core, and a spring is arranged between the movable iron core and the fixed iron core.

Further: the end part of the adjusting screw rod is fixedly connected with a handle.

The beneficial effects of the utility model are that, the utility model discloses a flow adjustable solenoid valve adjusts the pole through rotating for adjust the pole and remove to the carriage release lever direction, with the wedge face of second conical surface laminating rebound under the promotion of carriage release lever, and then make first conical surface enter into the valve port gradually, through changing the distance between first conical surface and the valve port, and then change the size of flow, satisfy different flow demand, simple structure, the suitability is wider.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

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 technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a prior art solenoid valve;

FIG. 2 is a cross-sectional view of a preferred embodiment of the adjustable flow solenoid valve of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an enlarged view of a portion B in fig. 2.

In the figure:

1. a valve body; 11. an upper chamber; 12. a lower chamber; 13. a valve port; 14. a spring; 2. a flow regulating device; 21. adjusting the screw rod; 22. a travel bar; 23. a limiting channel; 24. adjusting the channel; 25. a second tapered surface; 26. a first conical surface; 27. a wedge surface; 3. a gasket; 4. a water storage tank; 5. an annular seal groove; 51. a seal ring; 6. fixing an iron core; 7. a movable iron core; 8. a coil; 9. a handle.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are 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.

FIG. 2 is a schematic view of a preferred embodiment of the adjustable flow solenoid valve of the present invention;

as shown in fig. 2, the present embodiment provides an electromagnetic valve with adjustable flow rate, which includes a valve body 1, a movable iron core 7, a fixed iron core 6, a coil 8 and a spring 14, wherein the movable iron core 7 is slidably disposed at an upper end of the valve body 1, the fixed iron core 6 is disposed at an upper end of the movable iron core 7, one end of the spring 14 is in contact with the fixed iron core 6, the other end of the spring 14 is in contact with the movable iron core 7, and the coil 8 is sleeved on the movable iron core 7. An upper chamber 11 and a lower chamber 12 are arranged in the valve body 1, the upper chamber 11 is communicated with an inlet of the valve body 1, the lower chamber 12 is communicated with an outlet of the valve body 1, a valve port 13 is arranged in the valve body 1, the upper end of the valve port 13 is communicated with the upper chamber 11, and the lower end of the valve port 13 is communicated with the lower chamber 12. When the electromagnetic valve is electrified, the movable iron core 7 moves upwards under the action of the electromagnetic force and is separated from the valve port 13, so that the medium flows from the inlet to the outlet; when the electromagnetic valve is powered off, the movable iron core 7 moves downwards under the action of the spring 14 to block the valve port 13, a medium cannot flow from the inlet to the outlet, and at the moment, the electromagnetic valve is in a closed state.

Fig. 2 is an alternative cross-sectional view of the flow regulating device 2 of the present invention;

optionally, a flow regulating device 2 is arranged in the valve body 1, and the flow regulating device 2 is used for regulating the flow in the valve port 13.

Specifically, as shown in fig. 3, the flow rate adjusting device 2 includes an adjusting screw 21 and a moving rod 22, and a handle 9 is fixedly connected to an end of the adjusting screw 21. A limiting channel 23 vertically communicated with the lower cavity 12 is arranged in the valve body 1, the limiting channel 23 is arranged opposite to the valve port 13, an adjusting channel 24 is arranged in the valve body 1, and the adjusting channel 24 is vertically communicated with the lower end of the limiting channel 23. The movable rod 22 is movably arranged in the limiting channel 23, the adjusting screw 21 is in threaded connection with the adjusting channel 24, the upper end of the movable rod 22 is provided with a first conical surface 26, the lower end of the movable rod 22 is provided with a wedge surface 27, and one end of the adjusting screw 21 close to the movable rod 22 is provided with a second conical surface 25 corresponding to the wedge surface 27. A handle 9 is provided to facilitate turning the adjusting screw 21. When the size of the valve port 13 needs to be adjusted, the adjusting screw 21 is rotated, the adjusting screw 21 moves, the second conical surface 25 is attached to the wedge surface 27, the moving rod 22 is pushed to move upwards, the moving rod 22 gradually moves towards the valve port 13, the distance between the first conical surface 26 and the valve port 13 is changed, the flow rate is changed, different flow rate requirements are met, flow rate adjustment is simple and convenient, and applicability is wide.

Figure 3 is an alternative cross-sectional view of the gasket 3 of the present invention;

optionally, in order to improve the sealing performance of the valve body 1, the outer side wall of the moving rod 22 is coated with the sealing gasket 3, and the outer side wall of the sealing gasket 3 is attached to the inner side wall of the limiting channel 23. The arrangement of the sealing gasket 3 ensures that the medium is not easy to leak from the limiting channel 23 in the moving process of the moving rod 22, thereby improving the sealing performance.

As shown in fig. 3, in order to reduce the leakage of the medium from the valve body 1, a water storage tank 4 is provided on the inner side wall of the regulating passage 24, and the water storage tank 4 is located right below the restricting passage 23. When the sealing gasket 3 is used for a long time, the sealing gasket is easy to wear, a small amount of medium can still leak from the limiting channel 23, and the water storage tank 4 is arranged to store the leaked medium, so that the medium is not easy to leak out of the valve body 1.

As shown in fig. 4, in order to further improve the sealing performance of the valve body 1, an annular seal groove 5 is provided at the port of the adjustment passage 24, and a seal ring 51 is provided in the annular seal groove 5. The annular seal groove 5 and the seal ring 51 can seal the end of the regulating passage 24, and the sealing performance of the valve body 1 is further improved.

In view of the above, it is desirable to provide,

the utility model discloses a flow adjustable solenoid valve is through rotating adjusting screw 21 for adjusting screw 21 moves forward, second conical surface 25 and the laminating of wedge face 27, and promote carriage release lever 22 and move forward, first conical surface 26 is close to spacing passageway 23 gradually, through changing the distance between first conical surface 26 and the valve port 13, changes the size of flow, satisfies different flow demand, this solenoid valve simple structure, and the suitability is wider.

All the parts of the devices selected in the present application are general standard parts or parts known to those skilled in the art, and the structures and principles thereof can be known to those skilled in the art through technical manuals or through routine experimental methods.

In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways, and the above-described apparatus embodiments are merely illustrative.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A solenoid valve with adjustable flow, comprising a valve body (1), wherein an upper chamber (11) and a lower chamber (12) are provided in the valve body (1), the upper chamber (11) ) is communicated with the inlet of the valve body (1), the lower chamber (12) is communicated with the outlet of the valve body (1), the valve body (1) is provided with a valve port (13), the valve port ( One end of 13) is communicated with the upper chamber (11), and the other end of the valve port (13) is communicated with the lower chamber (12), and is characterized in that:

The valve body (1) is provided with a flow regulating device (2) for regulating the flow rate in the valve port (13).

2. A kind of solenoid valve with adjustable flow rate as claimed in claim 1 is characterized in that:

The flow regulating device (2) comprises a regulating screw (21) and a moving rod (22);

A limiting channel (23) vertically communicated with the lower chamber (12) is provided below the valve body (1), the limiting channel (23) is arranged opposite to the valve port (13), and the moving rod (22) The movement is arranged in the limiting channel (23), and the upper end of the moving rod (22) is provided with a first tapered surface (26);

The valve body (1) is provided with an adjustment channel (24), the adjustment channel (24) is in vertical communication with the lower end of the limit channel (23), and the adjustment screw (21) is screwed on the adjustment channel (24) Inside, one end of the adjusting screw (21) close to the moving rod (22) is provided with a second tapered surface (25), and the lower end of the moving rod (22) is provided with a wedge corresponding to the second tapered surface (25). face (27).

3. A kind of solenoid valve with adjustable flow rate as claimed in claim 2 is characterized in that:

The outer side wall of the moving rod (22) is covered with a sealing gasket (3), and the outer side wall of the sealing gasket (3) is fitted with the inner side wall of the limiting channel (23).

4. a kind of solenoid valve with adjustable flow rate as claimed in claim 2 is characterized in that:

A water storage tank (4) is provided on the inner side wall of the adjustment channel (24), and the water storage tank (4) is located directly below the limiting channel (23).

5. a kind of solenoid valve with adjustable flow rate as claimed in claim 2 is characterized in that:

The port of the adjustment channel (24) is provided with an annular sealing groove (5), a sealing ring (51) is arranged in the annular sealing groove (5), and the adjusting screw (21) is arranged at the end of the sealing ring (51). middle.

6. A kind of solenoid valve with adjustable flow rate as claimed in claim 1 is characterized in that:

A movable iron core (7) is slidably arranged on the upper end of the valve body (1), a fixed iron core (6) is arranged above the movable iron core (7), and a fixed iron core (6) is sleeved with a fixed iron core (6). A coil (8), a spring (14) is arranged in the valve body (1), one end of the spring (14) is in contact with the movable iron core (7), and the other end of the spring (14) is in contact with the fixed iron core (6) CONTACT.

7. A kind of solenoid valve with adjustable flow rate as claimed in claim 5, is characterized in that:

A handle (9) is fixedly connected to the end of the adjusting screw (21).