CN217422262U

CN217422262U - Electromagnetic valve

Info

Publication number: CN217422262U
Application number: CN202221349831.6U
Authority: CN
Inventors: 王腾; 林信富
Original assignee: Ningbo Suron Electronic Co ltd
Current assignee: Ningbo Suron Electronic Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-09-13
Anticipated expiration: 2032-05-27

Abstract

The utility model provides a solenoid valve relates to valve technical field, include: the valve comprises a valve body, a valve cavity and a valve core, wherein a fluid inlet and a fluid outlet are formed in the valve body, the valve cavity is communicated with the fluid inlet and the fluid outlet, a diaphragm is arranged in the valve cavity, an inlet through hole is eccentrically formed in the diaphragm, an outlet through hole is formed in the center of the diaphragm, a plurality of bosses are arranged on one side of the opening of the outlet through hole, circulation channels are arranged between the adjacent bosses, the circulation channels are communicated with the outlet through holes, a fluid channel is communicated with the other side of the opening of the outlet through hole, and the fluid channel and the diaphragm are coaxially arranged; the electromagnetic assembly is installed on the valve body, the output end of the electromagnetic assembly extends into the valve cavity, and a blocking head is arranged at the end part, located in the valve cavity, of the output end. The utility model ensures the normal work of the electromagnetic component when the electromagnetic component is electrified through the arrangement of the access through hole; after the plugging head is separated from the boss, fluid can smoothly enter the fluid outlet through the circulation channel in advance, and the outflow speed of the fluid is higher.

Description

Electromagnetic valve

Technical Field

The utility model relates to the technical field of valves, especially, relate to a solenoid valve.

Background

The electromagnetic valve is a fluid control device commonly used in various electrical appliances at present, and the pilot type electromagnetic valve is one of the electromagnetic valves. When the pilot-operated solenoid valve is not electrified, the valve core is positioned on the central hole in the center of the diaphragm plate, the movable iron core in the valve core is sealed and acted on the central hole to seal fluid, after the electromagnetic coil is electrified, the lifting force generated by electrifying the coil reaches the force required for lifting the movable iron core, so that the movable iron core is separated from the central hole in the center of the diaphragm plate, the pressure of a pressure cavity at the back of the fluid cavity is reduced, the diaphragm plate is far away from the valve body, the water outlet is not sealed by the diaphragm any more, the fluid flows out from the water outlet, when the electromagnetic coil is powered off, the magnetic field generated by the coil disappears, the movable iron core returns to the initial position due to the action of a reset spring and self-gravity, the central hole of the diaphragm plate is blocked, the water outlet is then sealed, and the fluid does not flow out any more.

Traditional guide's formula solenoid valve need set up a plurality of holes in valve body inside in order to realize the control to the fluid for fluid can enter into the pressure chamber, in order to ensure when not switching on, the pressure of fluid chamber and pressure chamber can keep balance, and the back of switching on like this, the centre bore can be opened smoothly, but has increaseed the processing degree of difficulty to the valve body like this undoubtedly, leads to valve body production efficiency to be lower.

Disclosure of Invention

In view of the above, the present invention is directed to a solenoid valve, which solves all or one of the above problems in the prior art.

Based on the above-mentioned purpose, the utility model provides a solenoid valve, include:

the valve comprises a valve body, a valve cavity and a valve core, wherein a fluid inlet and a fluid outlet are formed in the valve body, a diaphragm is communicated between the fluid inlet and the fluid outlet, a through hole is eccentrically formed in the diaphragm, an outflow through hole is formed in the center of the diaphragm, a plurality of bosses are arranged on one side of the opening of the outflow through hole, a circulation channel is arranged between every two adjacent bosses, the circulation channels are communicated with the outflow through hole, a fluid channel is communicated with the other side of the opening of the outflow through hole, the fluid channel is coaxial with the diaphragm, and the outflow through hole and the fluid channel are communicated with the fluid outlet;

the electromagnetic assembly is arranged on the valve body, the output end of the electromagnetic assembly extends into the valve cavity, and a blocking head is arranged at one end part of the output end, which is positioned in the valve cavity;

when the electromagnetic assembly is not electrified, the blocking heads are tightly connected with all the bosses and close the fluid outlet and all the circulation channels; when the electromagnetic assembly is electrified, the blocking head is separated from the boss, and the fluid outlet and the circulation channel are opened.

Optionally, a clamping groove for mounting the diaphragm is arranged in the valve cavity, an edge of the diaphragm is mounted in the clamping groove, the diaphragm divides the valve cavity into a fluid cavity and a pressure cavity, the fluid cavity is communicated with the fluid inlet, and the blocking head is located in the pressure cavity.

Optionally, the diaphragm is made of an elastic material.

Optionally, the edge of the diaphragm is provided with a deformation portion which is arranged in an arched manner, and a reinforcing cavity is arranged inside the diaphragm.

Optionally, one end of the boss close to the outflow through hole is communicated with the opening edge of the outflow through hole, and a guide surface is arranged at one end of the boss close to the outflow through hole and is suitable for being matched with the plugging head.

Optionally, the aperture of the outflow through hole gradually increases from the side close to the flow channel to the side far away from the flow channel.

Optionally, the entering through hole is arranged at the deformation part, and a protrusion protruding out of the deformation part is arranged at the opening edge of the entering through hole.

Optionally, a joint seat is arranged at one end of the fluid outlet extending out of the valve body.

Optionally, the fluid outlet is eccentrically disposed at the joint seat.

Optionally, a rigid plate is provided between the diaphragm and the fluid outlet.

From the above, the electromagnetic valve provided by the utility model, through the arrangement of the inlet through hole, the pressure on both sides of the diaphragm can be kept consistent, the electromagnetic assembly can normally work when being electrified, the processing difficulty of the valve body is reduced, and the production efficiency is improved; still set up boss and circulation passageway on the diaphragm for the shutoff head plays better sealed effect, and the shutoff head separates the back with the boss, and the fluid can enter into outflow through-hole and fluid passage through the circulation passageway in advance, and then enters into the fluid outlet smoothly, and the outflow speed of fluid is faster.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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 structural diagram of a solenoid valve provided by the present invention;

fig. 2 is an exploded schematic view of the electromagnetic valve provided by the present invention;

fig. 3 is a schematic plan view of the electromagnetic valve provided by the present invention;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic plan view of a diaphragm according to the present invention;

fig. 6 is a schematic cross-sectional view taken along line B-B in fig. 5.

Wherein:

1-a valve body;

2-a fluid inlet;

3-a fluid outlet;

4-an electromagnetic assembly;

41-a blocking head;

5-a joint seat;

6-diaphragm sheet; 61-a reinforcement cavity; 62-a deformation part; 63-access through holes; 64-projection; 65-outflow through holes; 66-an outflow channel; 67-boss; 68-a circulation channel; 69-a guide surface;

7-valve cavity; 71-a fluid chamber; 72-a pressure chamber; 73-card slot;

8-rigid plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.

It should be noted that unless otherwise defined, technical or scientific terms used in the embodiments of the present invention should have the ordinary meaning as understood by those having ordinary skill in the art to which the present disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

As a preferred embodiment of the present invention, the present invention provides a solenoid valve, including:

the valve comprises a valve body, a valve cavity and a valve core, wherein a fluid inlet and a fluid outlet are formed in the valve body, the valve cavity is communicated with the fluid inlet and the fluid outlet, a diaphragm is arranged in the valve cavity, an inlet through hole is eccentrically formed in the diaphragm, an outlet through hole is formed in the center of the diaphragm, a plurality of bosses are arranged on one side of the opening of the outlet through hole, circulation channels are arranged between the adjacent bosses and are communicated with the outlet through hole, a fluid channel is communicated with the other side of the opening of the outlet through hole and is coaxially arranged with the diaphragm, and the outlet through hole and the fluid channel are communicated with the fluid outlet;

According to the electromagnetic valve, the pressure on two sides of the diaphragm can be kept consistent through the arrangement of the inlet through hole, so that the electromagnetic assembly can work normally when being electrified, the processing difficulty of the valve body is reduced, and the production efficiency is improved; the diaphragm is further provided with the boss and the circulation channel, so that the blocking head has a better sealing effect, after the blocking head is separated from the boss, fluid can enter the outflow through hole and the fluid channel through the circulation channel in advance, then smoothly enters the fluid outlet, and the outflow speed of the fluid is higher.

The following describes preferred embodiments of the solenoid valve according to the present invention with reference to the drawings.

Referring to fig. 1 to 4, the present invention provides a solenoid valve, including: the valve comprises a valve body 1, wherein a fluid inlet 2 and a fluid outlet 3 are arranged on the valve body 1, one end parts of the fluid inlet 2 and the fluid outlet 3 extend to the outside of the valve body 1 so as to be convenient to access corresponding pipelines, a valve cavity 7 is communicated between the fluid inlet 2 and the fluid outlet 3, and the valve cavity 7 is positioned in the valve body 1; the valve chamber 7 is provided with a diaphragm 6, in the embodiment, the valve chamber 7 is provided with a clamping groove 73 for mounting the diaphragm 6, the edge of the diaphragm 6 is mounted in the clamping groove 73, the diaphragm 6 divides the valve chamber 7 into a fluid chamber 71 and a pressure chamber 72, and the fluid chamber 71 is communicated with the fluid inlet 2.

The eccentric through-hole 63 that gets into that is equipped with on diaphragm 65, and be equipped with outflow through-hole 65 in the center of diaphragm 6, outflow through-hole 65 opening part one side is equipped with a plurality of bosss 67, be equipped with circulation passageway 68 between the adjacent boss 67, circulation passageway 68 all communicates with outflow through-hole 65, outflow through-hole 65 opening part opposite side intercommunication has fluid passage 66, fluid passage 66 and the coaxial setting of diaphragm 6, outflow through-hole 65 and fluid passage 66 all communicate with fluid outlet 3.

The electromagnetic assembly 4 is mounted on the valve body 1, an output end of the electromagnetic assembly 4, such as a valve rod, extends into the valve cavity 7, and an end portion of the output end, which is located in the valve cavity 7, is provided with a blocking head 41, and it is understood that the blocking head 41 is located in the pressure chamber 72.

When the solenoid assembly 4 is not energized, the blocking heads 41 are tightly connected with all the bosses 67 and block the fluid outlets and all the flow passages 68, when fluid such as liquid or gas enters the fluid cavity 71 of the valve cavity 7 from the fluid inlet 2, the fluid can enter the pressure cavity 72 of the valve cavity 7 from the fluid cavity 71 through the inlet through hole 63 formed in the diaphragm 65, and the pressure on the two sides of the diaphragm 6 can be kept consistent through the arrangement of the inlet through hole 63, so that the solenoid assembly 4 can work normally when energized; when the electromagnetic component 4 is powered on, the electromagnetic component 4 drives the blocking head 41 to move towards the side far away from the diaphragm 6, because the pressure of the pressure cavity 72 and the pressure of the fluid cavity 71 are kept consistent, at this time, the blocking head 41 is separated from the boss 67 and opens the fluid outlet and the flow passage 68, the fluid can enter the outflow through hole 65 and the fluid passage 66 through the flow passage 68 in advance, and then smoothly enters the fluid outlet 3, and the electromagnetic component 4, the blocking head 41 and the diaphragm 6 form the pilot structure of the present application in the valve cavity 7.

The end of the fluid outlet 3 extending out of the valve body 8 is provided with a joint socket 5, and the joint socket 5 is suitable for installation or link management. In the present embodiment, the fluid outlet 3 is eccentrically disposed at the joint 5, which can prevent the misalignment of the pipes to which the fluid outlet 3 should be connected.

The electromagnetic valve provided by the utility model can keep the pressure on the two sides of the diaphragm 6 consistent through the arrangement of the inlet through hole 63, ensure that the electromagnetic component 4 can normally work when electrified, reduce the processing difficulty of the valve body and improve the production efficiency; the diaphragm 6 is further provided with a boss 67 and a flow channel 66, so that the blocking head 41 has a better sealing effect, after the blocking head 41 is separated from the boss 67, fluid can enter the outflow through hole 65 and the fluid channel 66 through the flow channel 68 in advance, and then smoothly enters the fluid outlet 3, and the outflow speed of the fluid is higher.

Referring to fig. 3, a rigid plate 8 is disposed in the diaphragm 6, the rigid plate 8 is disposed to maintain the stable structural shape of the middle portion of the diaphragm 6, and the elastic deformation region of the diaphragm 6 is controlled to be located outside the diaphragm 6.

In this embodiment, the aperture of the outflow through hole 65 gradually increases from the side close to the flow channel 65 to the side far from the flow channel 65, that is, the outflow through hole 65 is funnel-shaped, so as to ensure that the fluid can enter the fluid channel 66 through the outflow through hole 65, and then enter the fluid outlet 3 through the fluid channel 66.

The diaphragm 6 is made of an elastic material, specifically, referring to fig. 2, 5 and 6, the edge of the diaphragm 6 is provided with a deformation portion 62 formed by arching, so as to form a diaphragm with a corrugated structure, the diaphragm 6 is arranged so as to enable the water pressure distribution force to be more uniform, and the electromagnetic assembly 4 is more stable in operation.

In this embodiment, diaphragm 6 is inside to be equipped with and to strengthen chamber 61, and rigid plate 8 is located and strengthens chamber 61, can make water pressure distribution force more even equally, can also ensure that diaphragm 6 has sufficient pressure-bearing capacity. Preferably, rigid plate 8 is formed within diaphragm 6 when diaphragm 6 is vulcanized, and the two are tightly bonded.

Referring to fig. 5 and 6, an end of the boss 67 near the outflow through hole 65 is communicated with an opening edge of the outflow through hole 65, and an end of the boss 67 near the outflow through hole 65 is provided with a guide surface 69, and the guide surface 69 is adapted to cooperate with the plugging head 41. The guide surfaces 69 are provided such that the blocking heads 41 can better enter the respective flow channels 68 and block or open the respective flow channels 68.

An inlet through hole 63 is provided at the deformation portion 62, and a protrusion 64 protruding from the deformation portion 62 is provided at an opening edge of the inlet through hole 63.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

The present embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims

1. A solenoid valve, comprising:

when the electromagnetic assembly is not electrified, the blocking heads are tightly connected with all the bosses and close the fluid outlet and all the circulation channels; when the electromagnetic assembly is electrified, the blocking head is separated from the boss and opens the fluid outlet and the circulation channel.

2. The electromagnetic valve according to claim 1, wherein a slot for mounting the diaphragm is disposed in the valve chamber, an edge of the diaphragm is mounted in the slot, the diaphragm divides the valve chamber into a fluid chamber and a pressure chamber, the fluid chamber is communicated with the fluid inlet, and the blocking head is disposed in the pressure chamber.

3. A solenoid valve according to claim 1 wherein said diaphragm is made of an elastomeric material.

4. The electromagnetic valve according to claim 3, wherein the edge of the diaphragm is provided with a deformation portion arranged in a cambered manner, and the inside of the diaphragm is provided with a strengthening cavity.

5. The electromagnetic valve according to claim 1, wherein an end portion of the boss near the outflow through hole communicates with an opening edge of the outflow through hole, and an end portion of the boss near the outflow through hole is provided with a guide surface adapted to cooperate with the plugging head.

6. The electromagnetic valve according to claim 1, wherein the diameter of the outflow through hole is gradually increased from a side close to the flow passage to a side away from the flow passage.

7. The electromagnetic valve according to claim 4, wherein the inlet through hole is provided at the deformation portion, and a protrusion protruding from the deformation portion is provided at an opening edge of the inlet through hole.

8. A solenoid valve according to claim 1 wherein the end of the fluid outlet extending outside the valve body is provided with a spigot.

9. A solenoid valve according to claim 8 wherein said fluid outlet is eccentrically located at said connector block.

10. A solenoid valve according to claim 1 wherein a rigid plate is provided within the diaphragm.