CN218031507U - Reversible electromagnetic valve and air conditioning unit with same - Google Patents

Abstract

The utility model relates to a refrigeration technology field especially relates to a reversible solenoid valve and have its air conditioning unit. The reversible electromagnetic valve comprises a valve body assembly and a valve core assembly, wherein a first communicating port and a second communicating port are respectively formed in two sides of the valve body assembly, the valve body assembly is provided with a valve cavity, the valve core assembly is arranged in the valve cavity, and the valve core assembly can slide in the valve cavity to enable the first communicating port and the second communicating port to be communicated or separated; the valve core assembly comprises a sliding block unit, a connecting rod and a guide frame, the guide frame and the connecting rod are arranged in a split mode and are connected with each other, the sliding block unit is installed on the guide frame, and the sliding block unit can slide in the valve cavity under the driving of the connecting rod to communicate or separate the first communicating opening and the second communicating opening. The utility model has the advantages of: simple structure, low maintenance cost and high utilization efficiency.

Description

Reversible solenoid valve and air conditioning unit with same

Technical Field

The utility model relates to a refrigeration technology field especially relates to a reversible solenoid valve and have its air conditioning unit.

Background

The reversible electromagnetic valve is arranged in the air conditioning unit and used for controlling the communication or the partition of the pipeline, thereby realizing the bidirectional circulation of the refrigerant.

The existing reversible electromagnetic valve comprises a valve body, a connecting rod, a sliding block and a piston, wherein the valve body is provided with a valve cavity, the piston is installed in the valve cavity, the connecting rod is connected with the piston, a mounting hole is formed in the connecting rod, the sliding block is installed in the mounting hole and can slide under the driving of the piston and the connecting rod, but the sliding block slides under the driving of the connecting rod for a long time, so that the connecting rod is abraded, and the maintenance cost is increased.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model discloses to above-mentioned technical problem, provide a reversible solenoid valve, technical scheme is as follows:

a reversible electromagnetic valve comprises a valve body assembly and a valve core assembly, wherein a first communicating port and a second communicating port are respectively formed in two sides of the valve body assembly, the valve body assembly is provided with a valve cavity, the valve core assembly is arranged in the valve cavity, and the valve core assembly can slide in the valve cavity to enable the first communicating port and the second communicating port to be communicated or separated; the valve core assembly comprises a sliding block unit, a connecting rod and a guide frame, the guide frame and the connecting rod are arranged in a split mode and are connected with each other, the sliding block unit is installed on the guide frame, and the sliding block unit can slide in the valve cavity under the driving of the connecting rod so as to communicate or separate the first communicating opening and the second communicating opening.

In the application, the connecting rod and the guide frame are arranged, the connecting rod and the guide frame are mutually connected, and the sliding block unit is arranged on the guide frame, so that the connecting rod drives the sliding block unit to slide in the valve cavity through the guide frame, the maintenance cost can be reduced, and the utilization efficiency can be improved; when the guide frame is worn, the guide frame is convenient to replace and maintain, and the cost can be reduced.

In one embodiment, one end of the guide frame is provided with a mounting hole, the other end of the guide frame is convexly provided with a connecting portion, one end of the connecting rod is provided with a connecting groove, the slider unit is mounted in the mounting hole, and the connecting portion extends into the connecting groove and is connected with the connecting rod.

So set up, stretch into the spread groove through connecting portion in, with leading truck and connecting rod interconnect, the spread groove plays the positioning action to the connecting rod, is convenient for realize between them connection and can improve the steadiness of connecting.

In one embodiment, the valve core assembly further comprises a locking piece, the connecting portion is provided with a connecting hole, the locking piece can penetrate through one end, provided with the connecting groove, of the connecting rod and penetrates through the connecting hole to connect the guide frame with the connecting rod.

So set up, through retaining member with leading truck and connecting rod interconnect, simple structure is convenient for connect, can further strengthen the steadiness of connecting.

In one embodiment, a plane perpendicular to the axis of the mounting hole and passing through the center of gravity of the guide frame is defined as a middle plane on which the axis of the link is located.

So set up, can improve the axiality of connecting rod and leading truck, so install the slider unit in the mounting hole after, when the slider unit slides to between first intercommunication mouth and the second intercommunication mouth under the drive of connecting rod, can make the both ends of slider unit closely laminate with first intercommunication mouth, second intercommunication mouth respectively to cut off the intercommunication of first intercommunication mouth and second intercommunication mouth, improve the leakproofness, avoid producing the problem of leaking.

In one embodiment, a limiting groove is further formed in one end, away from the mounting hole, of the connecting portion, one end of the connecting rod extends into the limiting groove, and one side face of one part of the connecting rod abuts against the side wall of the limiting groove.

So set up, the spacing groove can carry on spacingly to the length of stretching into of connecting rod to, can carry on spacingly on the width direction of connecting rod, the position of location connecting rod is convenient for stabilize between connecting rod and the leading truck and is connected.

In one embodiment, the valve core assembly further comprises a piston unit, the piston unit is installed in the valve cavity, and the piston unit is located at one end of the connecting rod, which is far away from the guide frame, and is connected with the connecting rod.

So set up, the piston unit can separate the valve pocket, prevents that the medium from crossing the fluid stream, and piston unit both sides can form the pressure differential under the cooperation with other parts, promotes the slider unit and slides in the valve pocket to communicate or cut off first intercommunication mouth and second intercommunication mouth.

In one embodiment, the valve body assembly comprises a valve body, the reversible solenoid valve further comprises an intermediate end cover, the intermediate end cover is mounted in the valve cavity and fixedly connected with the inner wall of the valve body, and the connecting rod penetrates through the intermediate end cover.

So set up, middle end cover and valve body inner wall fixed connection can reduce the risk of leaking outward.

In one embodiment, the valve body assembly further includes a valve seat, the valve seat is mounted in the valve cavity, the first communicating port and the second communicating port are disposed through the valve seat, and the slider unit is located in the valve seat and can slide in the valve seat to communicate with or block the first communicating port and the second communicating port.

So set up, the slider unit of being convenient for is to the intercommunication or the wall of first intercommunication mouth and second intercommunication mouth.

In one embodiment, the slider unit includes a first portion and a second portion that are provided to face each other, and the first portion and the second portion are capable of closing the first communication port and the second communication port, respectively.

So set up, leakproofness when can strengthen first intercommunication mouth and the shutoff of second intercommunication mouth.

The utility model discloses still provide following technical scheme:

an air conditioning unit comprises the reversible electromagnetic valve.

Compared with the prior art, the reversible electromagnetic valve provided by the utility model has the advantages that the connecting rod and the guide frame are arranged in a split manner and are connected with each other, and the slider unit is arranged on the guide frame, so that the connecting rod drives the slider unit to slide in the valve cavity through the guide frame, the maintenance cost can be reduced, and the utilization efficiency is improved; when the guide frame is worn, the guide frame is convenient to replace and maintain, and the cost can be reduced.

Drawings

Fig. 1 is a schematic structural view of the reversible solenoid valve provided by the present invention.

Fig. 2 isbase:Sub>A schematic cross-sectional view atbase:Sub>A-base:Sub>A in fig. 1.

Fig. 3 is a schematic structural view of the guide frame and the connecting rod provided by the present invention.

Fig. 4 is a schematic cross-sectional view of the guide frame when connected to the link.

Fig. 5 is a schematic structural view of the guide frame provided by the present invention.

In the figure, 100, a reversible solenoid valve; 10. a valve body assembly; 11. a first communication port; 111. a first connecting pipe; 12. a second communication port; 121. a second connection pipe; 13. a valve cavity; 131. a first chamber; 132. a second chamber; 133. a third chamber; 14. a valve body; 141. a first hole; 1411. a first capillary tube; 142. a second hole; 1421. a second capillary; 15. a valve seat; 20. a valve core assembly; 21. a slider unit; 212. a first part; 213. a second section; 214. an elastic member; 22. a connecting rod; 221. connecting grooves; 23. a guide frame; 231. mounting holes; 232. a connecting portion; 2321. connecting holes; 2322. a limiting groove; 24. a locking member; 25. a piston unit; 30. a middle end cap; 31. a first end cap; 32. a second end cap; 40. a pilot valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, the present application provides a reversible solenoid valve 100 installed in an air conditioning unit for controlling the connection or disconnection of a pipeline, so as to realize the bidirectional circulation of a refrigerant.

The existing reversible electromagnetic valve comprises a valve body, a connecting rod, a sliding block and a piston, wherein the valve body is provided with a valve cavity, the piston is installed in the valve cavity, the connecting rod is connected with the piston, a mounting hole is formed in the connecting rod, the sliding block is installed in the mounting hole and can slide under the driving of the piston and the connecting rod, but the sliding block slides under the driving of the connecting rod for a long time, so that the connecting rod is abraded, and the maintenance cost is increased.

Referring to fig. 2, the reversible electromagnetic valve 100 provided by the present application includes a valve body assembly 10 and a valve core assembly 20, a first communication port 11 and a second communication port 12 are respectively formed on two sides of the valve body assembly 10, the valve body assembly 10 has a valve cavity 13, the valve core assembly 20 is disposed in the valve cavity 13, and the valve core assembly 20 can slide in the valve cavity 13 to connect or separate the first communication port 11 and the second communication port 12.

Further, a first connecting pipe 111 is provided in the first communication port 11, a second connecting pipe 121 is provided in the second communication port 12, and the first connecting pipe 111 and the second connecting pipe 121 are connected to a pipeline of the air conditioning unit, respectively.

With reference to fig. 2, the valve assembly 10 includes a valve body 14, the reversible solenoid valve 100 further includes a first end cap 31, a second end cap 32 and a middle end cap 30, the first end cap 31 and the second end cap 32 are respectively installed at two ends of the valve body 14, the middle end cap 30 is installed in the valve cavity 13, and the middle end cap 30 is fixedly connected to an inner wall of the valve body 14, so as to reduce a risk of leakage; the valve core assembly 20 is disposed through the middle end cover 30, and a portion of the valve core assembly 20 extends toward a direction close to the first end cover 31, and another portion extends toward a direction close to the second end cover 32.

Further, the valve body assembly 10 further includes a valve seat 15, the valve seat 15 is installed in the valve cavity 13, the first communicating port 11 and the second communicating port 12 are disposed through the valve seat 15, and the valve core assembly 20 is partially located in the valve seat 15 and can slide in the valve seat 15 to communicate with or block the first communicating port 11 and the second communicating port 12.

With continued reference to fig. 2, the valve core assembly 20 includes a piston unit 25, the piston unit 25 is installed in the valve chamber 13 and disposed near the second end cap 32; the piston unit 25 can separate the valve cavity 13 to prevent the media from streaming, and a pressure difference can be formed between two sides of the piston unit 25 by matching with other components, so that the valve core assembly 20 slides in the valve cavity 13, and the first communication port 11 and the second communication port 12 are communicated or blocked.

In the present application, the valve cavity 13 includes a first chamber 131, a second chamber 132, and a third chamber 133, wherein the first chamber 131 is formed by the valve body assembly 10, the first end cover 31, and the middle end cover 30, the second chamber 132 is formed by the valve body assembly 10, the middle end cover 30, and the piston unit 25, and the third chamber 133 is formed by the valve body assembly 10, the piston unit 25, and the second end cover 32.

Further, the first communication port 11 and the second communication port 12 respectively extend into the first chamber 131, the valve body 14 is provided with a first hole 141 and a second hole 142, the first hole 141 is communicated with the second chamber 132, the second hole 142 is communicated with the third chamber 133, the first hole 141 is provided with a first capillary 1411, the second hole 142 is provided with a second capillary 1421, and the first capillary 1411 and the second capillary 1421 are connected to the pilot valve 40, so that a pressure difference is formed between the second chamber 132 and the third chamber 133, and the valve element assembly 20 is pushed to move.

Specifically, when it is necessary to close the reversible solenoid valve 100, high-pressure refrigerant enters the third chamber 133 from the second capillary tube 1421, and refrigerant in the second chamber 132 flows out from the first capillary tube 1411, thereby pushing the piston unit 25 to move in a direction close to the valve seat 15; when it is required to open the reversible solenoid valve 100, high-pressure refrigerant enters the second chamber 132 from the first capillary tube 1411, and refrigerant in the third chamber 133 flows out from the second capillary tube 1421, thereby pushing the piston unit 25 to move in a direction away from the valve seat 15.

Referring to fig. 2-4, the valve core assembly 20 further includes a slider unit 21, a connecting rod 22 and a guide frame 23, and the piston unit 25 is located at one end of the connecting rod 22 far from the guide frame 23 and connected to the connecting rod 22; the guide frame 23 and the connecting rod 22 are arranged separately and connected with each other, and the slider unit 21 is mounted on the guide frame 23; when the piston unit 25 is pushed, the piston unit 25 drives the connecting rod 22 to move, and the slider unit 21 can slide in the valve cavity 13 under the driving of the connecting rod 22 so as to communicate or block the first communication port 11 and the second communication port 12; by arranging the connecting rod 22 and the guide frame 23, connecting the connecting rod 22 and the guide frame 23 are mutually connected, and the sliding block unit 21 is arranged on the guide frame 23, so that the connecting rod 22 drives the sliding block unit 21 to slide in the valve cavity 13 through the guide frame 23, the maintenance cost can be reduced, and the utilization efficiency can be improved; when the guide frame 23 is worn or the connecting rod 22 is damaged, only the lost part needs to be replaced, replacement and maintenance are convenient, and cost can be reduced.

Further, referring to fig. 5, one end of the guide frame 23 is provided with a mounting hole 231, the other end is convexly provided with a connecting portion 232, one end of the connecting rod 22 is provided with a connecting groove 221, the slider unit 21 is mounted in the mounting hole 231, and the connecting portion 232 extends into the connecting groove 221 and is connected with the connecting rod 22; by the connecting part 232 extending into the connecting groove 221, the guide frame 23 and the connecting rod 22 are connected with each other, so that connection is facilitated, and connection stability can be improved.

Specifically, valve body subassembly 10 still includes retaining member 24, and connecting portion 232 has seted up connecting hole 2321, and retaining member 24 can wear to establish the one end that connecting rod 22 has connecting groove 221 to run through connecting hole 2321, be connected leading truck 23 and connecting rod 22, so simple structure is convenient for connect, can further strengthen the steadiness of being connected between connecting rod 22 and the leading truck 23.

Preferably, the locking member 24 is a pin in the present application, but in other embodiments, the locking member 24 may be other members, such as a bolt, etc., which can achieve the same connecting effect.

In the present application, a plane perpendicular to the axis of the mounting hole 231 and passing through the center of gravity of the guide frame 23 is defined as a middle plane on which the axis of the link 22 is located, so that the coaxiality of the link 22 and the guide frame 23 can be improved; so install slider unit 21 in mounting hole 231 after, when slider unit 21 was slided to between first intercommunication mouth 11 and the second intercommunication mouth 12 under the drive of connecting rod 22, can make the both ends of slider unit 21 closely laminate with first intercommunication mouth 11, second intercommunication mouth 12 respectively to cut off the intercommunication of first intercommunication mouth 11 and second intercommunication mouth 12, improve the leakproofness, in order to prevent to make slider unit 21 take place to incline at the in-process that promotes, avoid producing the problem of leaking.

Referring to fig. 3 and 4, a limiting groove 2322 is further formed at one end of the connecting portion 232 away from the mounting hole 231, one end of the connecting rod 22 extends into the limiting groove 2322, a side surface of a part of the connecting rod 22 abuts against a side wall of the limiting groove 2322, the limiting groove 2322 can limit the extending length of the connecting rod 22, and can limit the connecting rod 22 in the width direction of the connecting rod 22, and position the connecting rod 22, so as to facilitate stable connection between the connecting rod 22 and the guide frame 23.

Further, referring to fig. 2, the slider unit 21 includes a first portion 212 and a second portion 213 which are provided to face each other, and the first portion 212 and the second portion 213 can close the first communication port 11 and the second communication port 12, respectively, and can enhance sealing performance when the first communication port 11 and the second communication port 12 are closed.

Specifically, the elastic member 214 is provided between the first portion 212 and the second portion 213, one end of the elastic member 214 abuts against the first portion 212, and the other end abuts against the second portion 213, and the elastic member 214 causes the first portion 212 and the second portion 213 to respectively abut against the end surface of the first communication port 11 and the end surface of the second communication port 12, thereby enhancing the sealing property of the sealing.

Referring to fig. 1, the reversible solenoid valve 100 further includes a pilot valve 40, the pilot valve 40 is disposed outside the valve body assembly 10 and connected to the first capillary 1411 and the second capillary 1421, and the pressure difference between two sides of the piston unit 25 can be controlled by reversing the pilot valve 40, so as to push the piston unit 25 to move.

The utility model also provides an air conditioning unit (not shown), including above reversible solenoid valve 100.

The working principle of the reversible solenoid valve 100 of the present application is:

when the reversible electromagnetic valve 100 needs to be opened, the pilot valve 40 is reversed, high-pressure refrigerant is introduced into the second chamber 132 from the first capillary 1411, refrigerant in the third chamber 133 flows out from the second capillary 1421, so that the piston unit 25 is pushed to move in a direction away from the valve seat 15, and the piston unit 25 drives the slider unit 21 to move through the connecting rod 22 and the guide frame 23, so that the first communication port 11 and the second communication port 12 are unblocked.

When the reversible electromagnetic valve 100 needs to be closed, the pilot valve 40 is switched to introduce the high-pressure refrigerant into the third chamber 133 from the second capillary 1421, the refrigerant in the second chamber 132 flows out from the first capillary 1411, so that the piston unit 25 is pushed to move in a direction close to the valve seat 15, and the piston unit 25 drives the slider unit 21 to move through the connecting rod 22 and the guide frame 23, so that the first communication port 11 and the second communication port 12 are blocked.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The features of the above embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above embodiments are not described, but should be construed as being within the scope of the present specification as long as there is no contradiction between the combinations of the features.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.

Claims (10)

1. A reversible electromagnetic valve comprises a valve body assembly and a valve core assembly, wherein a first communicating port and a second communicating port are respectively formed in two sides of the valve body assembly, the valve body assembly is provided with a valve cavity, the valve core assembly is arranged in the valve cavity, and the valve core assembly can slide in the valve cavity to enable the first communicating port and the second communicating port to be communicated or separated;

the valve core assembly is characterized by comprising a sliding block unit, a connecting rod and a guide frame, wherein the guide frame and the connecting rod are arranged in a split mode and are connected with each other, the sliding block unit is installed on the guide frame, and the sliding block unit can slide in the valve cavity under the driving of the connecting rod to communicate or separate the first communicating port and the second communicating port.

2. The reversible solenoid valve according to claim 1, wherein the guide frame has a mounting hole at one end thereof and a connecting portion protruding from the other end thereof, the connecting rod has a connecting groove at one end thereof, the slider unit is mounted in the mounting hole, and the connecting portion extends into the connecting groove and is connected to the connecting rod.

3. The reversible electromagnetic valve according to claim 2, wherein the valve core assembly further comprises a locking member, the connecting portion is provided with a connecting hole, and the locking member can penetrate through one end of the connecting rod with the connecting groove and penetrate through the connecting hole to connect the guide frame and the connecting rod.

4. The reversible electromagnetic valve according to claim 2, wherein a plane perpendicular to the axis of the mounting hole and passing through the center of gravity of the guide frame is defined as a middle plane on which the axis of the link is located.

5. The reversible electromagnetic valve according to claim 2, wherein a limiting groove is further formed in one end of the connecting portion, which is away from the mounting hole, one end of the connecting rod extends into the limiting groove, and a part of the side surface of the connecting rod abuts against the side wall of the limiting groove.

6. The reversible solenoid valve of claim 1, wherein the spool assembly further comprises a piston unit, the piston unit is mounted in the valve chamber, and the piston unit is located at one end of the connecting rod far away from the guide frame and connected with the connecting rod.

7. The reversible solenoid valve of claim 1, wherein the valve body assembly comprises a valve body, the reversible solenoid valve further comprises an intermediate end cover, the intermediate end cover is mounted in the valve cavity and fixedly connected with the inner wall of the valve body, and the connecting rod is inserted into the intermediate end cover.

8. The reversible solenoid valve according to claim 7, wherein the valve body assembly further includes a valve seat, the valve seat is mounted in the valve chamber, the first communicating port and the second communicating port are disposed through the valve seat, and the slider unit is located in the valve seat and is slidable in the valve seat to communicate with or block off the first communicating port and the second communicating port.

9. The reversible solenoid valve according to claim 1, wherein the slider unit includes a first portion and a second portion that are provided to face each other, and the first portion and the second portion are capable of blocking the first communication port and the second communication port, respectively.

10. Air conditioning assembly, characterized in that it comprises a reversible solenoid valve according to any one of claims 1 to 9.

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