CN217842688U - Warm air electromagnetic valve for air conditioner - Google Patents

Abstract

The embodiment of the utility model relates to the technical field of electromagnetic valves, in particular to a warm air electromagnetic valve for an air conditioner, which comprises a lower valve body, wherein both ends of the lower valve body are respectively and fixedly connected with an inlet end and an outlet end, the top of the lower valve body is fixedly connected with an upper valve body, a first cavity communicated with the inlet end is arranged in the lower valve body, and a second cavity communicated with the outlet end is also arranged in the lower valve body; the inside of going up the valve body is provided with the third chamber, be provided with the diaphragm down between valve body and the last valve body, the inside of going up the valve body is provided with the main valve that covers on the diaphragm through the spring pressure. The utility model has the advantages that: the pressure of the heat supply medium in the third chamber and the pressure of the heat supply medium in the first chamber are offset at the diaphragm, the influence of the heat supply medium with pressure on the sealing performance is avoided, the heat supply medium extrudes the main valve, and therefore the pressure of the main valve on the diaphragm is improved, and the purpose of improving the sealing performance is achieved.

Description

Warm air electromagnetic valve for air conditioner

Technical Field

The utility model relates to a solenoid valve technical field, concretely relates to idle call warm braw solenoid valve.

Background

With the rapid development of the automobile industry, the application amount of the automobile air-conditioning warm air electromagnetic valve is increased, the annual usage amount is increased greatly, part of the warm air electromagnetic valves depend on import, and the development and production of the domestic, practical and reliable warm air electromagnetic valve have important significance for the development of the automobile industry;

the heating electromagnetic valve is a heating switch of the automobile heating blower, the working principle of the heating of the automobile heating blower is that a radiator in the heating blower passes through, an inlet/outlet pipeline is connected with circulating water (heating medium) of an engine, and the electromagnetic valve is a switch. When the electromagnetic valve is opened, the water way is connected, the circulating water of the engine enters the radiator, and the fan blows heat into the cab; on the contrary, the water valve is closed, and the warm air cannot play a role;

however, when the existing electromagnetic valve does not work, a heat supply medium can circulate in the inlet end of the electromagnetic valve, and the heat supply medium with pressure extrudes the inside of the electromagnetic valve, so that the sealing performance of the electromagnetic valve is easily affected.

Therefore, there is a need for a solenoid valve for a warm air conditioner to overcome the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the embodiment of the utility model provides an idle call warm braw solenoid valve has realized the purpose of solving the problem that proposes in the background art.

The embodiment of the utility model provides a in order to realize above-mentioned purpose, specifically adopt following technical scheme: a warm air electromagnetic valve for an air conditioner comprises a lower valve body, wherein an inlet end and an outlet end are fixedly connected to two ends of the lower valve body respectively, an upper valve body is fixedly connected to the top of the lower valve body, a first cavity communicated with the inlet end is formed in the lower valve body, and a second cavity communicated with the outlet end is formed in the lower valve body;

a third chamber is arranged inside the upper valve body, and the third chamber is communicated with the first chamber through a first damping hole;

a diaphragm is arranged between the lower valve body and the upper valve body, and a main valve pressed on the diaphragm through a spring is arranged inside the upper valve body.

As a further improvement of the technical scheme:

and a pressure relief chamber communicated with the second chamber is arranged in the upper valve body, and the pressure relief chamber is communicated with the third chamber through a second damping hole.

The upper valve body is provided with an electromagnet, an armature is arranged inside the electromagnet, and a sealing plug used for sealing the damping hole II is fixedly connected to the armature.

The aperture of the second damping hole is larger than that of the first damping hole.

The diaphragm is made of rubber.

The utility model discloses beneficial effect does:

in actual use, when the electromagnetic valve is closed, a heat supply medium is stored at the inlet end, the heat supply medium is introduced into the first chamber, the heat supply medium is introduced into the third chamber through the first damping hole, and the heat supply medium in the third chamber extrudes the diaphragm and the main valve, so that the sealing performance of the main valve and the diaphragm is improved; the pressure of the heat supply medium in the third chamber and the pressure of the heat supply medium in the first chamber are offset at the diaphragm, the influence of the heat supply medium with pressure on the sealing performance is avoided, the heat supply medium extrudes the main valve, and therefore the pressure of the main valve on the diaphragm is improved, and the purpose of improving the sealing performance is achieved.

Drawings

Fig. 1 is a schematic view of the present invention.

In the figure: 1. a lower valve body; 2. an inlet end; 3. an outlet end; 4. an upper valve body; 5. a first chamber; 6. a second chamber; 7. a membrane; 8. a main valve; 9. a third chamber; 10. a first damping hole; 11. a spring; 12. a pressure relief chamber; 13. a second damping hole; 14. an electromagnet; 15. an armature; 16. and (4) sealing plugs.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

Referring to fig. 1, the embodiment of the utility model discloses a warm air solenoid valve for an air conditioner, which comprises a lower valve body 1, wherein both ends of the lower valve body 1 are respectively and fixedly connected with an inlet end 2 and an outlet end 3, the top of the lower valve body 1 is fixedly connected with an upper valve body 4, a first chamber 5 communicated with the inlet end 2 is arranged inside the lower valve body 1, and a second chamber 6 communicated with the outlet end 3 is also arranged inside the lower valve body 1; a third chamber 9 is arranged inside the upper valve body 4, and the third chamber 9 is communicated with the first chamber 5 through a first damping hole 10; a diaphragm 7 is arranged between the lower valve body 1 and the upper valve body 4, and a main valve 8 which is pressed on the diaphragm 7 through a spring 11 is arranged in the upper valve body 4;

in actual use, when the solenoid valve is closed, the main valve 8 is pressed against the diaphragm 7 by the spring 11, so that the diaphragm 7 seals the first chamber 5 and the second chamber 6, avoiding the heat supply medium from flowing from the first chamber 5 into the second chamber 6;

in actual use, when the electromagnetic valve is closed, the inlet end 2 is filled with a heat supply medium, the heat supply medium is introduced into the first chamber 5, the heat supply medium is introduced into the third chamber 9 through the first damping hole 10, and the heat supply medium in the third chamber 9 extrudes the diaphragm 7 and the main valve 8, so that the sealing performance of the main valve 8 and the diaphragm 7 is improved; that is, the pressure of the heat supply medium in the third chamber 9 and the pressure of the heat supply medium in the first chamber 5 are offset at the diaphragm 7, so that the influence of the heat supply medium with pressure on the sealing performance is avoided, and the heat supply medium extrudes the main valve 8, thereby improving the pressure of the main valve 8 on the diaphragm 7, and achieving the purpose of improving the sealing performance.

As further illustration of the present application: a pressure relief chamber 12 communicated with the second chamber 6 is arranged inside the upper valve body 4, and the pressure relief chamber 12 is communicated with the third chamber 9 through a second damping hole 13; an electromagnet 14 is arranged on the upper valve body 4, an armature 15 is arranged inside the electromagnet 14, and a sealing plug 16 for sealing the second damping hole 13 is fixedly connected to the armature 15;

when the electromagnetic valve needs to be opened, the electromagnet 14 is started, the electromagnet 14 drives the armature 15 to move upwards, so that the sealing plug 16 moves upwards, namely the damping hole two 13 is communicated, the heat supply medium in the third chamber 9 flows into the pressure relief chamber 12, the heat supply medium flows out from the outlet end 3 after flowing into the second chamber 6, namely the third chamber 9 becomes a passage, the internal pressure is reduced, the heat supply medium in the first chamber 5 pushes the diaphragm 7 and the main valve 8 open, so that the first chamber 5 is communicated with the second chamber 6, and the electromagnetic valve becomes a passage.

As further illustration of the present application: the aperture of the second damping hole 13 is larger than the aperture of the first damping hole 10, so that the heat supply medium flowing into the third chamber 9 through the first damping hole 10 can be discharged from the second damping hole 13 in time, i.e. the pressure inside the third chamber 9 can be well reduced, so that the heat supply medium in the first chamber 5 can well jack the diaphragm 7 and the main valve 8.

As further illustration of the present application: the diaphragm 7 is made of rubber, and sealing between the first chamber 5 and the second chamber 6 can be well achieved.

As further illustration of the present application: the annular groove is formed in the armature 15, so that the annular groove is filled with a heat supply medium, the armature 15 is buffered in the electromagnet actuation process, vibration is reduced, and the stability in the opening and closing process is improved.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions can be made on the related technical features by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions will fall into the protection scope of the invention.

Claims (5)

1. The warm air electromagnetic valve for the air conditioner comprises a lower valve body (1), wherein an inlet end (2) and an outlet end (3) are fixedly connected to two ends of the lower valve body (1) respectively, and an upper valve body (4) is fixedly connected to the top of the lower valve body (1), and is characterized in that a first cavity (5) communicated with the inlet end (2) is formed in the lower valve body (1), and a second cavity (6) communicated with the outlet end (3) is formed in the lower valve body (1);

a third chamber (9) is arranged inside the upper valve body (4), and the third chamber (9) is communicated with the first chamber (5) through a first damping hole (10);

a diaphragm (7) is arranged between the lower valve body (1) and the upper valve body (4), and a main valve (8) which is pressed on the diaphragm (7) through a spring (11) is arranged in the upper valve body (4).

2. The solenoid valve for warm air conditioning according to claim 1, characterized in that the interior of the upper valve body (4) is provided with a pressure relief chamber (12) communicating with the second chamber (6), the pressure relief chamber (12) communicating with the third chamber (9) through a second damping orifice (13).

3. The air-conditioning heater electromagnetic valve according to claim 2, wherein an electromagnet (14) is arranged on the upper valve body (4), an armature (15) is arranged inside the electromagnet (14), and a sealing plug (16) for sealing the second damping hole (13) is fixedly connected to the armature (15).

4. The solenoid valve for air conditioning heater according to claim 2, wherein the aperture of the second orifice (13) is larger than the aperture of the first orifice (10).

5. The solenoid valve for air conditioning heater according to claim 1, wherein the diaphragm (7) is made of rubber.

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