CN216078516U

CN216078516U - Electric valve with flow regulation function

Info

Publication number: CN216078516U
Application number: CN202120960828.7U
Authority: CN
Inventors: 王小京
Original assignee: Tianjin Tianfei High Tech Valve Co ltd
Current assignee: Tianjin Tianfei High Tech Valve Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2022-03-18
Anticipated expiration: 2031-05-07

Abstract

The utility model provides an electric valve with a flow regulation function, which comprises a valve seat, a valve body, an electromagnetic coil, a magnetism isolating pipe, a valve core, a valve rod, a valve cover, a valve clack and a sliding limiting mechanism, wherein the valve cover is arranged at the top of the valve body, the valve body is arranged at the bottom of the valve seat through the valve cover, the magnetism isolating pipe is vertically arranged in the valve seat, the electromagnetic coil is wound outside the magnetism isolating pipe, the valve core is arranged in the magnetism isolating pipe, the valve rod is connected with the bottom of the valve core, the valve clack is arranged at the bottom of the valve rod, and the sliding limiting mechanism is arranged at the right side of the magnetism isolating pipe. The utility model is suitable for small and medium-sized enterprises.

Description

Electric valve with flow regulation function

Technical Field

The utility model relates to the field of valves, in particular to an electric valve with a flow adjusting function.

Background

The electric valve is an industrial device capable of controlling flow in a pipeline, and is widely applied to an industrial control system for adjusting direction, flow, speed and other parameters of a medium.

The electromagnetic valve is a valve with high sensitivity, the response time of the electromagnetic valve can be as short as several milliseconds, and the opening and closing operation of the valve can be completed instantly, but the electromagnetic valve can only complete simple opening and closing operation and cannot regulate the flow of a pipeline like an electric valve, so that when some pipelines which have higher requirements on opening and closing speed and can also control the flow are designed, the electromagnetic valve is generally adopted as the opening and closing valve, and the electric valve or the manual valve is arranged in front of the electromagnetic valve to limit the flow, but the structure enables the industrial production cost to be increased sharply and is not suitable for small and medium-sized enterprises, so that how to design the valve with high sensitivity and capable of controlling the flow is a problem which needs to be solved urgently.

Disclosure of Invention

According to the technical problem, the utility model provides an electric valve with a flow regulation function, which is characterized by comprising a valve seat, a valve body, an electromagnetic coil, a magnetism isolating pipe, a valve core, a valve rod, a valve cover, a valve clack and a sliding limiting mechanism, wherein the valve cover is arranged at the top of the valve body;

the valve core consists of a fixed iron core, a movable iron core and a reset spring, the fixed iron core is arranged at the top of the magnetism isolating pipe, the movable iron core is positioned below the fixed iron core, the movable iron core is slidably arranged in the magnetism isolating pipe, the reset spring is arranged between the fixed iron core and the movable iron core, one end of the reset spring is abutted against the fixed iron core, and the other end of the reset spring is abutted against the movable iron core;

the sliding limiting mechanism comprises an annular clamping plate, a connecting plate, a transmission plate, a lead screw and a motor, wherein the left inner wall and the right inner wall of the magnetism isolating pipe are provided with sliding grooves, the left side and the right side of the annular clamping plate are provided with sliding blocks, the annular clamping plate is slidably arranged in the sliding grooves through the left sliding block and the right sliding block, the annular clamping plate is positioned between the fixed iron core and the movable iron core, the magnetism isolating pipe at the bottom of the sliding block at the right side is internally provided with a vertical groove, the bottom of the sliding block at the right side is vertically provided with the connecting plate, the connecting plate is positioned in the vertical groove, the right side at the bottom of the connecting plate is provided with a transmission cavity, the transmission cavity is slidably provided with the transmission plate, the transmission plate is transversely arranged, the left end of the transmission plate is fixedly connected with the connecting plate, the lead screw is vertically arranged in the transmission cavity, the transmission plate is provided with a screw hole, the transmission plate is arranged on the lead screw through the screw hole, and the bottom of the lead screw is provided with the motor, the output end of the motor is connected with the screw rod;

the inlet tube has been seted up to the left end in the valve body, the outlet pipe has been seted up to the right-hand member in the valve body, V type valve pocket has been seted up to central authorities in the valve body, the left and right sides wall of V type valve pocket is the arc structure, V type valve pocket bottom and inlet tube intercommunication, V type valve pocket upper portion right-hand member and play water piping connection, valve rod and valve clack bottom stretch into the V type valve intracavity of valve body, inlet tube left end and outlet pipe right-hand member are provided with threaded connection mouth respectively.

The utility model has the beneficial effects that:

the utility model is provided with the sliding limiting mechanism and the valve core, the motor of the sliding limiting mechanism can drive the screw rod to rotate so as to drive the transmission plate to move up and down, the transmission plate drives the annular clamping plate to slide up and down along the chute in the magnetic isolation pipe through the connecting plate, the movable iron core is attracted by the electromagnetic coil and moves upwards and is propped against the annular clamping plate, simultaneously, the movable iron core drives the valve clack to move upwards through the valve rod so as to open the V-shaped valve cavity, water flows from the water inlet pipe to the water outlet pipe, the position of the annular clamping plate can be changed, the position of the movable iron core finally staying after being attracted by the electromagnetic coil can be changed, so that the valve clack is finally staying at different height positions, and because of the arrangement of the V-shaped valve cavity, the V-shaped valve cavity is V-shaped, the flow of the water inlet pipe flowing to the water outlet pipe is influenced by the height of the valve clack in the V-shaped valve cavity, the higher the flow is, the lower flow is, therefore, the utility model can control the final height position of the movable iron core, the valve rod and the valve clack through the annular clamping plate, thereby changing the flow from the water inlet pipe to the water outlet pipe, having the functions of high sensitivity and quick response like an electromagnetic valve, and adjusting the opening and closing flow of the electromagnetic valve, and the utility model does not need to use two valves for the special pipeline design, thereby greatly reducing the industrial production cost and being suitable for small and medium-sized enterprises.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

As shown in the figure: 1. a valve seat; 2. a valve body; 3. an electromagnetic coil; 4. a magnetism isolating pipe; 5. a valve stem; 6. a valve cover; 7. a valve flap; 8. fixing an iron core; 9. a movable iron core; 10. a return spring; 11. an annular clamping plate; 12. a connecting plate; 13. a drive plate; 14. a lead screw; 15. a motor; 16. a chute; 17. a transmission cavity; 18. a water inlet pipe; 19. a water outlet pipe; 20. a V-shaped valve cavity; 21. a threaded connection port.

Detailed Description

Example 1

The utility model provides an electric valve with a flow regulation function, which is characterized by comprising a valve seat 1, a valve body 2, an electromagnetic coil 3, a magnetism isolating pipe 4, a valve core, a valve rod 5, a valve cover 6, a valve clack 7 and a sliding limiting mechanism, wherein the valve cover 6 is arranged at the top of the valve body 2, the valve body 2 is arranged at the bottom of the valve seat 1 through the valve cover 6, the magnetism isolating pipe 4 is vertically arranged in the valve seat 1, the electromagnetic coil 3 surrounds the outer side of the magnetism isolating pipe 4, the valve core is arranged in the magnetism isolating pipe 4, the valve rod 5 is connected to the bottom of the valve core, the valve clack 7 is arranged at the bottom of the valve rod 5, the valve clack 7 is of an inverted trapezoid structure, the left end face and the right end face of the valve clack 7 are of an arc structure, and the sliding limiting mechanism is arranged at the right side of the magnetism isolating pipe 4;

the valve core consists of a fixed iron core 8, a movable iron core 9 and a return spring 10, wherein the fixed iron core 8 is arranged at the top of the magnetism isolating pipe 4, the movable iron core 9 is positioned below the fixed iron core 8, the movable iron core 9 is slidably arranged in the magnetism isolating pipe 4, the return spring 10 is arranged between the fixed iron core 8 and the movable iron core 9, one end of the return spring 10 is abutted against the fixed iron core 8, and the other end of the return spring 10 is abutted against the movable iron core 9;

an annular clamping plate 11 of a sliding limiting mechanism and a connecting plate 12, the magnetic isolation tube comprises a transmission plate 13, a lead screw 14 and a motor 15, sliding grooves 16 are formed in the left inner wall and the right inner wall of a magnetic isolation tube 4, sliding blocks are arranged on the left side and the right side of an annular clamping plate 11, the annular clamping plate 11 is slidably mounted in the sliding grooves 16 through the left sliding block and the right sliding block, the annular clamping plate 11 is located between a fixed iron core 8 and a movable iron core 9, a vertical groove is formed in the magnetic isolation tube 4 at the bottom of the right sliding block, a connecting plate 12 is vertically arranged at the bottom of the right sliding block, the connecting plate 12 is located in the vertical groove, a transmission cavity 17 is formed in the right side of the bottom of the connecting plate 12, the transmission plate 13 is slidably mounted with the transmission plate 13, the left end of the transmission plate 13 is fixedly connected with the connecting plate 12, the lead screw 14 is vertically mounted in the transmission cavity 17, a screw hole is formed in the transmission plate 13, the transmission plate 13 is mounted on the lead screw 14 through the screw hole, the bottom of the lead screw 14 is provided with the motor 15, and the output end of the motor 15 is connected with the lead screw 14;

the left end has seted up inlet tube 18 in the valve body 2, the right-hand member has seted up outlet pipe 19 in the valve body 2, V type valve chamber 20 has been seted up to central authorities in the valve body 2, the left and right sides wall of V type valve chamber 20 is the arc structure, V type valve chamber 20 bottom and inlet tube 18 intercommunication, V type valve chamber 20 upper portion right-hand member is connected with outlet pipe 19,

valve rod

5 and 7 bottom of valve clack stretch into the V type valve chamber 20 of valve body 2 in, inlet tube 18 left end and outlet pipe 19 right-hand member are provided with threaded connection mouth 21 respectively.

Example 2

When the utility model is used, a water inlet pipe 18 and a water outlet pipe 19 of a valve body 2 are connected with an external pipeline through a threaded connector 21, a motor 15 is connected with an external PLC control system, the motor 15 is controlled by the external PLC control system to drive a screw rod 14 to rotate by a specified angle, so that a transmission plate 13 is driven to move up and down in a transmission cavity 17 by a specified distance, the transmission plate 13 drives an annular clamping plate 11 to slide up and down to a specified position along a sliding groove 16 through a connecting plate 12, an electromagnetic coil 3 is electrified when a valve is opened, a movable iron core 9 is attracted upwards until the top end of the movable iron core is abutted against the annular clamping plate 11, a return spring 10 is compressed, the movable iron core 9 drives a valve cover 6 to move upwards in a V-shaped valve cavity 20 to a position where the movable iron core 9 does not move any more, the liquid reaches the specified position, the liquid enters from the water inlet pipe 18 and gushes out from a gap between the V-shaped valve cavity 20 and the water outlet pipe valve flap 19, and the valve flap 7 limits the flow of the liquid at the height of the V-shaped valve cavity 20, when the valve is closed, the electromagnetic coil 3 is powered off, the return spring 10 drives the movable iron core 9 to move downwards, so that the valve clack 7 moves downwards to abut against the communication position between the V-shaped valve cavity 20 and the water inlet pipe 18, the liquid at the water inlet is blocked, and the valve is closed.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. While the utility model has been described with respect to the above embodiments, it will be understood by those skilled in the art that the utility model is not limited to the above embodiments, which are described in the specification and illustrated only to illustrate the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. An electric valve with a flow regulation function is characterized by comprising a valve seat, a valve body, an electromagnetic coil, a magnetism isolating pipe, a valve core, a valve rod, a valve cover, a valve clack and a sliding limiting mechanism, wherein the valve cover is arranged at the top of the valve body;

the water inlet pipe is arranged at the left end in the valve body, the water outlet pipe is arranged at the right end in the valve body, the V-shaped valve cavity is arranged in the center in the valve body, the bottom end of the V-shaped valve cavity is communicated with the water inlet pipe, the right end of the upper portion of the V-shaped valve cavity is connected with the water outlet pipe, and the bottom ends of the valve rod and the valve clack extend into the V-shaped valve cavity of the valve body.

2. The electrically operated valve as claimed in claim 1, wherein the valve flap has an inverted trapezoidal structure, and the left and right end faces of the valve flap have an arc structure.

3. The electric valve with flow regulating function as claimed in claim 1, wherein the V-shaped valve chamber has an arc-shaped structure on its left and right side walls.

4. The electric valve with flow regulating function as claimed in claim 1, wherein the left end of the inlet pipe and the right end of the outlet pipe are respectively provided with a threaded connector.