CN219366878U - Electromagnetic valve connection structure for air conditioner water supply and return - Google Patents

Abstract

The utility model discloses an electromagnetic valve connecting structure for air conditioner water supply and return, which comprises an electromagnetic coil box, a pilot shell, a main shell and a side stop block which are welded and fixed in sequence, wherein a pilot valve rod is vertically arranged in the pilot shell, an upper plug body is welded and fixed at the top of the pilot valve rod, the upper plug body is in sliding contact and seal with the inside of the top of the pilot shell, an electromagnetic coil is arranged in the electromagnetic coil box, the electromagnetic coil and the upper plug body are mutually magnetically attracted, a lower plug body is welded and fixed at the bottom of the pilot valve rod, a spring is sleeved at the bottom of the lower plug body, the spring is in contact with the inner wall of the pilot shell, the main valve rod is transversely arranged in the main shell, a main valve block is uniformly welded and fixed on the outer wall of the main valve rod, a bottom mounting block is welded and fixed at the bottom of the main shell, and a flow passage outlet is uniformly formed in the bottom mounting block.

Description

Electromagnetic valve connection structure for air conditioner water supply and return

Technical Field

The utility model relates to the technical field of air conditioner water supply, in particular to an electromagnetic valve connection structure for air conditioner water supply and return.

Background

Solenoid valves (Solenoid valves) are industrial equipment controlled by electromagnetic, are automatic basic elements for controlling fluids, and belong to actuators, and are not limited to hydraulic and pneumatic. For use in industrial control systems to adjust the direction, flow, velocity and other parameters of the medium.

The valve block of the electromagnetic valve connecting structure of the existing air conditioner water supply and return is switched in a spring reset mode, and when the electromagnetic valve connecting structure is used for a long time, control inaccuracy is easily caused by the reduction of the fatigue strength of the spring, the spring needs to be replaced frequently, and the practicability is poor. Therefore, it is necessary to design a solenoid valve connection structure of air conditioner water supply and return.

Disclosure of Invention

The utility model aims to provide a solenoid valve connecting structure for air conditioner water supply and return, so as to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a solenoid valve connection structure of return water is supplied to air conditioner, includes welded fastening's solenoid box, guide's casing, main casing and side dog in proper order, the inside vertical guide's valve rod that installs of guide's casing, the top of guide's valve rod is through welded fastening there being last cock body, go up the inside sliding contact seal in top of cock body and guide's casing, solenoid box's inside has solenoid, and solenoid and last cock body mutual magnetic force actuation, the bottom of guide's valve rod is through welded fastening there being lower cock body, the bottom cover of lower cock body is equipped with the spring, the spring contacts with the inner wall of guide's casing.

According to the technical scheme, the inside of main casing transversely installs the main valve rod, the outer wall of main valve rod evenly has the main valve piece through welded fastening, the bottom of main casing has the bottom installation piece through welded fastening, the runner export has evenly been seted up on the bottom installation piece, each main valve piece is the cooperation structure with each runner export, one side of main valve rod has the impeller through welded fastening, one side of impeller and the inner wall of guide's casing link up each other.

According to the technical scheme, the side wall of the main shell is fixedly provided with the side stop block through the bolt, the top inner wall of the main shell is provided with the upper runner, the inner wall of the side stop block is provided with the groove, the groove is communicated with the upper runner and the left side cavity of the main shell, and the upper runner is communicated with the inner wall of the pilot shell.

According to the technical scheme, the pilot liquid outlet is laterally formed in the inner wall of the bottom of the pilot shell, the pilot liquid inlet is formed in the side wall of the pilot shell, and the pilot liquid inlet is communicated with the upper runner.

According to the technical scheme, the surface of the lower plug body is uniformly coated with the polyurethane lubricating coating.

According to the technical scheme, the pushing block is made of spring steel.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the valve rod and the valve block which are designed without the spring are adopted, and the liquid on two sides is used for controlling the left or right movement of the valve rod to determine the on-off of the liquid flow passage, so that the problem of inaccurate control of the valve block caused by spring fatigue is effectively prevented.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the bottom structure of the present utility model;

FIG. 3 is a schematic view of the internal structure of the present utility model;

FIG. 4 is a schematic side cross-sectional view of the present utility model;

in the figure: 1. an electromagnetic coil box; 2. a pilot housing; 3. a main housing; 4. a side stopper; 5. a bottom mounting block; 51. a flow channel outlet; 99. a flow channel inlet; 21. an upper plug body; 22. a pilot valve stem; 23. a lower plug body; 24. a pilot drain port; 25. a pilot liquid inlet; 31. a main valve rod; 32. a main valve block; 33. a pushing block; 34. and (3) an upper runner.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides the following technical solutions: the electromagnetic valve connecting structure comprises an electromagnetic coil box 1, a pilot shell 2, a main shell 3 and a side stop block 4 which are welded and fixed in sequence, wherein a pilot valve rod 22 is vertically arranged in the pilot shell 2, an upper plug body 21 is welded and fixed at the top of the pilot valve rod 22, the upper plug body 21 is sealed with the inside of the top of the pilot shell 2 in a sliding contact manner, an electromagnetic coil is arranged in the electromagnetic coil box 1, the electromagnetic coil and the upper plug body 21 are mutually magnetically attracted, a lower plug body 23 is welded and fixed at the bottom of the pilot valve rod 22, a spring is sleeved at the bottom of the lower plug body 23 and is in contact with the inner wall of the pilot shell 2, when the electromagnetic valve is powered off, the upper plug body 21 is in an upper station or a lower station through the on-off of the electromagnetic coil, and when the electromagnet is powered off, the upper plug body 21 is in the upper station through the elastic restoration of the spring, and then the on-off of the valve is determined through pilot control;

the main valve rod 31 is transversely arranged in the main shell 3, the main valve rod 31 is uniformly welded and fixed with the main valve block 32 on the outer wall, the bottom of the main shell 3 is welded and fixed with the bottom installation block 5, the bottom installation block 5 is uniformly provided with the runner outlets 51, each main valve block 32 and each runner outlet 51 are of a matched structure, one side of the main valve rod 31 is welded and fixed with the pushing block 33, one side of the pushing block 33 is communicated with the inner wall of the pilot shell 2, and the main valve block 32 is provided to block or not block the runner outlets 51 by the main valve block 32, so that the valve is closed in a blocked state and is not blocked from being opened;

the side wall of the main shell 3 is fixedly provided with a side stop block 4 through a bolt, the top inner wall of the main shell 3 is provided with an upper flow passage 34, the inner wall of the side stop block 4 is provided with a groove, the groove is communicated with the upper flow passage 34 and the left cavity of the main shell 3, the upper flow passage 34 is communicated with the inner wall of the pilot shell 2, the left cavity of the main valve rod 31 is communicated with the pilot shell 2 through the upper flow passage 34, the main valve rod 31 can move rightwards under pressure through pilot liquid, the main valve rod 31 is reset by a spring without being required by the design, the left movement or the right movement of liquid control valve rods at two sides is utilized to determine the on-off of the flow passage of liquid, and the problem of inaccurate valve block control caused by spring fatigue is effectively prevented;

a pilot liquid outlet 24 is formed in the lateral direction of the inner wall of the bottom of the pilot shell 2, a pilot liquid inlet 25 is formed in the side wall of the pilot shell 2, the pilot liquid inlet 25 is communicated with the upper runner 34, pilot liquid enters through the pilot liquid outlet 24, and is discharged through the pilot liquid outlet 24, so that the left and right movement of the main valve rod 31 can be controlled through the liquid, and whether a valve is conducted or not can be controlled;

when the pilot valve rod 22 is in the upper station, the pushing block 33 is communicated with the pilot liquid outlet 24, the upper flow passage 34 is communicated with the pilot liquid inlet 25, the pilot liquid flows out from the left side and the right side, when the pilot valve rod 22 is in the lower station, the pushing block 33 is communicated with the pilot liquid inlet 25 due to the blocking effect of the upper plug body 21, but the upper flow passage 34 is communicated with the inner contracted part of the upper plug body 21, liquid is temporarily stored in a cavity where the inner contracted part of the upper plug body 21 is located, the pilot liquid outlet 24 is communicated with the top inner wall of the pilot shell 2, and excessive liquid can be discharged into the pilot liquid outlet 24 when the pilot valve rod 22 is returned, so that the circulation of the pilot liquid is realized.

The surface of the lower plug body 23 is uniformly coated with a polyurethane lubricating coating, so that the sliding smooth performance of the lower plug body 23 is improved, and the service life of the lower plug body is prolonged;

the pushing block 33 is made of spring steel, so that the pushing block 33 has high elastic deformation capability, and the pushing block is flexible to use.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, 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, method, article, or apparatus.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a solenoid valve connection structure of return water is supplied to air conditioner, includes welded fastening's solenoid box (1), guide's casing (2), main casing (3) and side dog (4) in proper order, its characterized in that: the inside of guide's casing (2) is vertical installs guide's valve rod (22), the top of guide's valve rod (22) is through welded fastening has last cock body (21), go up cock body (21) and the inside sliding contact seal in top of guide's casing (2), the inside of solenoid box (1) has solenoid, and solenoid and the mutual magnetic force actuation of last cock body (21), the bottom of guide's valve rod (22) is through welded fastening has down cock body (23), the bottom cover of cock body (23) is equipped with the spring down, the spring contacts with the inner wall of guide's casing (2).

2. The electromagnetic valve connecting structure of air conditioner water supply and return according to claim 1, wherein: main valve rod (31) are transversely installed to the inside of main casing (3), the outer wall of main valve rod (31) is through welded fastening has main valve piece (32), the bottom of main casing (3) is through welded fastening has bottom installation piece (5), runner export (51) have evenly been seted up on bottom installation piece (5), and each main valve piece (32) are cooperation structure with each runner export (51), one side of main valve rod (31) is through welded fastening has impeller (33), one side of impeller (33) link up each other with the inner wall of guide's casing (2).

3. The electromagnetic valve connecting structure of air conditioner water supply and return according to claim 2, wherein: the side wall of main casing (3) is fixed with side dog (4) through the bolt, go up runner (34) have been seted up to the top inner wall of main casing (3), the inner wall of side dog (4) is seted up flutedly, and the recess link up with the left side cavity of going up runner (34) and main casing (3), go up runner (34) and the inner wall of guide's casing (2) and link up mutually.

4. A solenoid valve connecting structure for air conditioner water supply and return according to claim 3, wherein: the side of the bottom inner wall of the pilot shell (2) is provided with a pilot liquid outlet (24), the side wall of the pilot shell (2) is provided with a pilot liquid inlet (25), and the pilot liquid inlet (25) is communicated with the upper runner (34).

5. The electromagnetic valve connecting structure of air conditioner water supply and return according to claim 4, wherein: the surface of the lower plug body (23) is uniformly coated with a polyurethane lubricating coating.

6. The electromagnetic valve connecting structure of air conditioner water supply and return according to claim 5, wherein: the pushing block (33) is made of spring steel.