CN219510172U

CN219510172U - Non-differential pressure electromagnetic valve

Info

Publication number: CN219510172U
Application number: CN202320574260.4U
Authority: CN
Inventors: 范锦涛; 张福弟; 孙忠贵; 张文博; 黄柏超
Original assignee: Zhejiang Jinte Casting Valve Co ltd
Current assignee: Zhejiang Jinte Casting Valve Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-08-11
Anticipated expiration: 2033-03-20

Abstract

The utility model relates to a differential pressure-free electromagnetic valve which comprises a valve body, a valve cover, a valve core piece, a movable iron core, a coil assembly and a spring, wherein the valve core piece is clamped between the valve body and the valve cover, the movable iron core is fixedly connected with the valve core piece, the movable iron core is connected with the coil assembly in a sliding manner, a reset spring is arranged between the movable iron core and the coil assembly, the valve body is provided with a sealing port and a circular clamping groove, the sealing port is provided with a connecting surface which is inclined downwards from inside to outside, and the valve core piece is sequentially provided with a sealing part, an arc part and a clamping part from inside to outside. The utility model aims to prevent the valve core piece from separating from the circular clamping groove in the deformation process because the clamping part of the valve core piece is clamped between the valve body and the valve cover when the coil assembly works to drive the valve core piece to move upwards, so that the tightness and the stability of the valve body are maintained; because the connecting surface of the sealing port is an inclined downward surface, the sealing part is preferentially abutted against and wraps the arc surface, the sealing effect of the electromagnetic valve during closing is improved, and leakage is prevented.

Description

Non-differential pressure electromagnetic valve

Technical Field

The utility model relates to the technical field of electromagnetic valves, in particular to a non-differential pressure electromagnetic valve.

Background

The traditional solenoid valve can pass the peripheral diaphragm of case with the screw for guaranteeing the leakproofness between valve body and the valve gap, and is fixed valve body, case and the valve gap in proper order to satisfy sealed effect when guaranteeing stable in structure. However, when the electromagnetic valve drives the valve core to work up and down, the valve core can deform, so that the valve core can continuously squeeze and rub with the screw, the structure of the valve core is worn until the valve core is damaged, the electromagnetic valve loses the closing effect, and the service life of the electromagnetic valve is reduced.

Disclosure of Invention

In order to overcome the defects of the background technology, the utility model adopts the following technical scheme: the utility model provides a no pressure differential solenoid valve, includes valve body, valve gap, case spare, moves iron core, coil pack and spring, the joint has case spare between valve body and the valve gap, case spare fixedly connected with moves the iron core, move iron core sliding connection in coil pack, and be equipped with reset spring between iron core and the coil pack, the valve body is equipped with sealing port and ring draw-in groove, and sealing port be equipped with by interior declivity decurrent junction surface outward, case spare is equipped with sealing portion, circular arc portion and buckle portion from interior outside in proper order, sealing portion passes through junction surface butt in the valve body, buckle portion passes through ring draw-in groove joint between valve body and valve gap.

As a preferable scheme of the utility model, the valve cover is provided with a groove for accommodating the arc part, and the outer side surface of the arc part is tangent to the groove.

As a preferable scheme of the utility model, circular arc parts are circumferentially distributed between the sealing part and the buckling part, a cutting groove is arranged between adjacent circular arc parts, and when the valve core piece is abutted against the sealing port, the valve body is communicated with the groove through the cutting groove.

In a preferred embodiment of the present utility model, an arc surface is provided between the inner side surface of the sealing port and the connection surface, and the sealing portion of the valve element abuts against the arc surface.

As a preferred embodiment of the present utility model, the valve element is integrally formed of fluororubber or nitrile rubber.

As a preferable scheme of the utility model, the valve body is provided with a connecting hole at the outer side of the circular ring clamping groove, and the valve cover is connected with the valve body through the connecting hole in a threaded manner.

As a preferable scheme of the utility model, the communication module comprises a CAN communication module, the damage pipe collecting box is provided with a floating ball liquid level controller, a pipeline pressure sensor and a liquid level sensor, and the floating ball liquid level controller, the pipeline pressure sensor and the liquid level sensor are fed back to the industrial personal computer through the CAN communication module.

As a preferable scheme of the utility model, the control panel comprises a pump control panel, a fan control panel, a boiler control panel and a display, wherein the pump control panel, the fan control panel and the boiler control panel are connected with an industrial personal computer through a CAN communication module, and the display is connected with the industrial personal computer through a VGA.

As a preferable scheme of the utility model, the control console is provided with a cabin indication board, and an indication lamp corresponding to the cabin is arranged in the cabin indication board.

As a preferable scheme of the utility model, the indicator lamp is a red, yellow and green lamp group.

Compared with the prior art, the utility model has the following advantages:

1. when the coil component works to drive the valve core component to move upwards, the valve core component is clamped between the valve body and the valve cover, so that the valve core component cannot be separated from the annular clamping groove in the deformation process, and the tightness and stability of the valve body are maintained.

2. Because the connecting surface of the sealing port is an inclined downward surface, the sealing part is preferentially abutted against and wraps the arc surface, the sealing effect of the electromagnetic valve during closing is improved, and leakage is prevented.

Drawings

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

FIG. 2 is an enlarged view of a portion of the view from FIG. 1A in accordance with the present utility model;

FIG. 3 is a top view of the valve body of the present utility model;

FIG. 4 is a top view of the spool piece of the present utility model;

in the figure: 1-valve body, 2-valve cover, 3-valve core piece, 4-movable iron core, 5-coil component, 6-spring, 11-sealing port, 12-circular clamping groove, 13-connecting surface, 14-circular arc surface, 15-connecting hole, 21-groove, 31-sealing part, 32-circular arc part, 33-fastening part and 34-cutting groove;

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Referring to fig. 1-3, a differential pressure-free electromagnetic valve comprises a valve body 1, a valve cover 2, a valve core piece 3, a movable iron core 4, a coil assembly 5 and a spring 6, wherein the valve core piece 3 is clamped between the valve body 1 and the valve cover 2, the movable iron core 4 is fixedly connected with the valve core piece 3, the movable iron core 4 is slidably connected with the coil assembly 5, a return spring 6 is arranged between the movable iron core 4 and the coil assembly 5, the valve body 1 is provided with a sealing port 11 and a circular ring clamping groove 12, the sealing port 11 is provided with a connecting surface 13 which is inclined downwards from inside to outside, the valve core piece 3 is sequentially provided with a sealing part 31, an arc part 32 and a clamping part 33 from inside to outside, the sealing part 31 is abutted to the valve body 1 through the connecting surface 13, and the clamping part 33 is clamped between the valve body 1 and the valve cover 2 through the circular ring clamping groove 12.

According to the utility model, the sealing part 31 of the valve core member 3 is abutted against the sealing port 11 to play a sealing role, when the movable iron core 4 drives the valve core member 3 to move upwards when the coil assembly 5 works, the sealing part 31 is separated from the sealing port 11, the arc part 32 deforms and is buffered, and the valve core member 3 cannot separate from the annular clamping groove 12 in the deformation process due to the clamping part 33 of the valve core member 3 between the valve body 1 and the valve cover 2, so that the sealing performance and the stability of the valve body 1 are maintained.

As shown in fig. 2 and 4, in the present embodiment, the valve cover 2 is provided with a groove 21 for accommodating the circular arc portion 32, and the outer side surface of the circular arc portion 32 is tangent to the groove 21. Specifically, circular arc portions 32 are circumferentially distributed between the sealing portion 31 and the fastening portion 33, and a notch 34 is provided between adjacent circular arc portions 32, so that when the valve element 3 abuts against the sealing port 11, the valve body 1 communicates with the groove 21 through the notch 34. When the movable iron core 4 drives the valve core piece 3 to move upwards, the arc part 32 is attached to and abutted against the inner wall of the groove 21, so that the arc part 32 is prevented from being worn, and as extruded media in the groove 21 flow into the valve body 1 through the cutting groove 34, the pressure balance of the spaces at two sides of the valve core piece 3 is realized, the stable structure is maintained, and the service life of the valve core piece 3 is prolonged.

As shown in fig. 2, in the present embodiment, an arc surface 14 is provided between the inner side surface of the sealing port 11 and the connecting surface 13, and the sealing portion 31 of the valve body 3 abuts against the arc surface 14. Since the connection surface 13 of the sealing port 11 is an inclined downward surface, the sealing portion 31 is preferentially abutted against and wraps the arc surface 14, so that the sealing effect when the electromagnetic valve is closed is increased, and leakage is prevented.

In this embodiment, the valve element 3 is integrally formed of fluororubber or nitrile rubber. The valve core member 3 made of fluororubber or nitrile rubber is selected, the valve is kept to work for more than 10 ten thousand times without damage, the valve core member 3 made of different materials is selected according to the type of medium flowing through the battery valve, for example, a high-temperature-resistant electromagnetic valve with fluororubber is selected for high temperature of flowing medium, and an acid-base-resistant electromagnetic valve with nitrile rubber is selected for high acid-base-resistant flowing medium.

As shown in fig. 3, in this embodiment, the valve body 1 is provided with a connecting hole 15 on the outer side of the annular clamping groove 12, and the valve cover 2 is screwed to the valve body 1 through the connecting hole 15. Four connecting holes 15 are located in the annular clamping groove 12, so that when the valve body 1 and the valve cover 2 are installed, the bolts do not contact the valve core piece 3, abrasion between the valve core piece 3 and the bolts is prevented, and the sealing effect is guaranteed.

Claims

1. The utility model provides a no pressure differential solenoid valve, includes valve body (1), valve gap (2), case spare (3), moves iron core (4), coil pack (5) and spring (6), joint has case spare (3) between valve body (1) and valve gap (2), case spare (3) fixedly connected with moves iron core (4), move iron core (4) sliding connection in coil pack (5), and move and be equipped with reset spring (6) between iron core (4) and coil pack (5), a serial communication port, valve body (1) are equipped with sealing port (11) and ring draw-in groove (12), and sealing port (11) are equipped with from inside to outside inclined decurrent joint surface (13), case spare (3) are equipped with sealing portion (31), circular arc portion (32) and buckle portion (33) in proper order from inside to outside, sealing portion (31) are through joint in valve body (1) in joint surface (13), buckle portion (33) are through ring draw-in groove (12) joint between valve body (1) and valve gap (2).

2. A differential pressure free solenoid valve according to claim 1 wherein: the valve cover (2) is provided with a groove (21) for accommodating the arc part (32), and the outer side surface of the arc part (32) is tangent to the groove (21).

3. A differential pressure free solenoid valve according to claim 2 wherein: circular arc portions (32) are circumferentially distributed between the sealing portion (31) and the buckling portion (33), cutting grooves (34) are formed between adjacent circular arc portions (32), and when the valve core piece (3) abuts against the sealing port (11), the valve body (1) is communicated with the groove (21) through the cutting grooves (34).

4. A differential pressure free solenoid valve according to claim 3 wherein: an arc surface (14) is arranged between the inner side surface of the sealing port (11) and the connecting surface (13), and the sealing part (31) of the valve core member (3) is abutted with the arc surface (14).

5. The differential pressure free solenoid valve as described in claim 4, wherein: the valve core piece (3) is integrally formed by fluororubber or nitrile rubber.

6. A differential pressure free solenoid valve according to claim 1 wherein: the valve body (1) is located the outside of ring draw-in groove (12) and is equipped with connecting hole (15), valve gap (2) pass through connecting hole (15) threaded connection in valve body (1).