CN218000452U - Reversible solenoid valve and air conditioning unit - Google Patents

Abstract

The utility model relates to a refrigeration technology field especially relates to a reversible solenoid valve and air conditioning unit. A reversible electromagnetic valve comprises a valve body 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, the valve body 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 body comprises a main body part and a driving part, the main body part is connected with the driving part, one part of the valve core assembly is positioned in the main body part, the other part of the valve core assembly extends into the driving part, and the main body part and the driving part are arranged in a split mode. The utility model has the advantages of: the valve body can be installed in advance, parts such as a sealing ring can be installed, and the driving portion and the main body are fixedly welded so as to be convenient to install and prevent the valve body from being too long and enable part of the parts to be difficult to stretch into the valve body to be installed.

Description

Reversible solenoid valve and air conditioning unit

Technical Field

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

Background

The reversible solenoid valve is usually installed in an air conditioning unit for realizing bidirectional circulation of a medium.

The valve body of the conventional reversible electromagnetic valve is integrated and is long, so that the problem that parts such as a sealing ring in the valve body are difficult to extend into the valve body is solved, and the installation is difficult.

SUMMERY OF THE UTILITY MODEL

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

a reversible electromagnetic valve comprises a valve body and a valve core assembly, wherein a first communication port and a second communication port are respectively formed in two sides of the valve body, the valve body 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 communication port and the second communication port to be communicated or separated; the valve body comprises a main body part and a driving part, the main body part is connected with the driving part, one part of the valve core assembly is positioned in the main body part, the other part of the valve core assembly extends into the driving part, and the main body part and the driving part are arranged in a split mode.

So set up, can install earlier in the main part or the main part is close to the spare part of drive division one end, install spare parts such as sealing washer again, with drive division and main part welded fastening again to convenient to install prevents that the valve body overlength and makes partial spare part be difficult to stretch into the valve body and install.

The drive portion is close to the one end of main part is equipped with the middle end cover, the drive portion connect in the middle end cover, the mounting hole has been seted up to the middle end cover, the valve core subassembly is worn to locate in the mounting hole, the seal groove has been seted up to the inner wall of mounting hole, be equipped with the sealing washer in the seal groove, the sealing washer can with the butt of valve core subassembly.

The valve core assembly is arranged to be connected with the middle end cover in a sealing mode.

In one embodiment, the middle end cover includes a cover body and a guide sleeve which are connected with each other, the cover body is arranged outside the guide sleeve and connected with the inner wall of the driving portion, the valve core assembly is arranged in the guide sleeve in a penetrating manner, and the cover body and the guide sleeve are arranged in a split manner.

So set up, at the in-process of installation, can weld the lid in the main part earlier, assemble spare parts such as sealing washer with the uide bushing again, be connected with the lid after the equipment again, can protect the sealing washer to avoid the influence of welding high temperature.

In one embodiment, the outer side wall of the middle end cover is provided with a solder groove.

In one embodiment, the valve core assembly comprises a piston part, the piston part is arranged on one side, away from the first communication port, of the middle end cover, the valve cavity comprises a first cavity and a second cavity, the first cavity is located between the middle end cover and the piston part, and the second cavity is located on one side, away from the middle end cover, of the piston part; the reversible electromagnetic valve further comprises a pilot valve, a third communicating port and a fourth communicating port are formed in the driving portion, the third communicating port is communicated with the first cavity, the fourth communicating port is communicated with the second cavity, and the pilot valve is communicated with the third communicating port and the fourth communicating port respectively.

So set up, can make first chamber and second chamber form the pressure differential to promote piston part motion.

In one embodiment, the spool assembly further includes a slider member disposed adjacent to the first communication port, the slider member being slidable in the axial direction of the reversible electromagnet to block the first communication port and the second communication port.

In one embodiment, the slider member includes a first portion and a second portion, the first portion is disposed near the first communicating opening, the second portion is disposed near the second communicating opening, the first portion and the second portion are disposed opposite to each other to form an accommodating cavity, a second elastic member is disposed in the accommodating cavity, one end of the second elastic member abuts against the first portion, and the other end of the second elastic member abuts against the second portion.

With this arrangement, the first portion and the second portion can be respectively attached to the end surface of the first communication port and the end surface of the second communication port, so that the sealing property of the plug can be enhanced.

In one embodiment, the first portion and the second portion each include a first section and a second section, the first section of the first portion is disposed near the first communication port, the first section of the second portion is disposed near the second communication port, the second section of the first portion is sleeved outside the second section of the second portion, the first portion is provided with a balance hole, and the accommodating cavity is communicated with the interior of the main body portion through the balance hole; or the second section of the second part is sleeved outside the second section of the first part, the second part is provided with a balance hole, and the accommodating cavity is communicated with the inside of the main body part through the balance hole.

So set up for holding chamber and circulation chamber intercommunication to prevent that the second portion from receiving the extrusion of medium, simultaneously, when the medium acts on first portion, the volume in holding chamber can reduce, sets up the balancing hole and can make the medium of holding intracavity flow from the balancing hole.

In one embodiment, the first portion and the second portion have the same structure and size, respectively, and are spaced apart from each other to form a gap, and the accommodating cavity is communicated with the interior of the main body portion through the gap.

So set up, can save a mould, reduction in production cost.

The utility model discloses still provide following technical scheme:

an air conditioning unit comprises the reversible electromagnetic valve.

Compared with the prior art, the utility model discloses a fall into drive division and the main part that the components of a whole that can function independently set up with the valve body, at the in-process of installation, can install the spare part in the main part earlier, install spare parts such as sealing washer again to install the drive division again, can make things convenient for the installation of spare parts such as sealing washer, it is darker to avoid having the valve body of integral type, the difficult problem of installing of spare parts such as sealing washer.

Drawings

Fig. 1 is a cross-sectional view of a reversible solenoid valve provided by the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a perspective view of a reversible solenoid valve;

FIG. 4 is a cross-sectional view of a portion of the valve core assembly of the first embodiment;

FIG. 5 is a cross-sectional view of a portion of the valve core assembly of the second embodiment;

FIG. 6 is a cross-sectional view of the intermediate end cap.

The symbols in the figures represent the following:

100. a reversible solenoid valve; 10. a valve body; 101. a first communication port; 102. a second communication port; 103. a first connecting pipe; 104. a second connecting pipe; 11. a valve cavity; 111. a flow-through chamber; 112. a first chamber; 113. a second chamber; 13. a third communication port; 131. a first capillary tube; 14. a fourth communication port; 141. a second capillary tube; 15. a middle end cap; 151. mounting holes; 152. a sealing groove; 153. a seal ring; 154. a solder bath; 155. a cover body; 156. a guide sleeve; 16. a first end cap; 17. a second end cap; 18. a main body part; 19. A drive section; 20. a valve core assembly; 21. a piston member; 211. a piston bowl; 2111. a first bowl; 2112. a second bowl; 212. an intermediate baffle; 213. a first baffle plate; 2131. a first protrusion; 2132. a first orifice; 214. a second baffle; 2141. a second protrusion; 2142. a second orifice; 215. a first elastic member; 22. A link member; 221. a connecting rod; 222. a guide frame; 23. a slider member; 231. a first part; 2311. a first stage; 2312. a second stage; 232. a second section; 233. a second elastic member; 234. a balance hole; 235. an accommodating cavity; 236. a gap; 30. 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 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 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 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 to 6, the present invention provides a reversible solenoid valve 100 (hereinafter referred to as a solenoid valve 100) installed in an air conditioning unit for controlling the connection or disconnection of a pipeline.

The utility model discloses a solenoid valve 100 can be used for the air conditioning unit that needs bidirectional operation, for example, can install in the air conditioning unit that needs possess two kinds of functions of refrigeration mode and heating mode simultaneously.

Referring to fig. 1 and 3, the solenoid valve 100 includes a valve body 10 and a valve core assembly 20, the valve body 10 has a valve cavity 11, the valve body 10 is opened with a first communicating opening 101 and a second communicating opening 102, and the valve core assembly 20 is disposed in the valve cavity 11 and can slide in the valve cavity 11 to connect or disconnect the first communicating opening 101 and the second communicating opening 102. The first communication port 101 may be an inlet, the second communication port 102 may be an outlet, the second communication port 102 may also be an outlet, the second communication port 102 is an inlet, when the first communication port 101 is an inlet, the second communication port 102 is an outlet, and vice versa.

The valve body 10 includes a main body portion 18 and a driving portion 19, the main body portion 18 and the driving portion 19 are connected to each other, a first communication port 101 and a second communication port 102 are provided in the main body portion 18, and the main body portion 18 and the driving portion 19 are provided separately and fixed by welding when mounted. With such an arrangement, the components such as the seal ring 153 can be installed first, and then the driving portion 19 and the main body portion 18 are welded and fixed, so that the installation is convenient, and the valve body 10 is prevented from being too long to make part of the components difficult to extend into the valve body 10 for installation.

A first connecting pipe 103 is arranged in the first communicating port 101, a second connecting pipe 104 is arranged in the second communicating port 102, and the first connecting pipe 103 and the second connecting pipe 104 are respectively connected with a pipeline of the air conditioning unit.

The driving portion 19 is opened with a third communication port 13 and a fourth communication port 14, the third communication port 13 communicates with a first chamber 112 described below, and the fourth communication port 14 communicates with a second chamber 113 described below. A first capillary tube 131 is provided in the third communication port 13, a second capillary tube 141 is provided in the fourth communication port 14, and the first capillary tube 131 and the second capillary tube 141 are connected to a pilot valve 30 described below, so that a pressure difference is formed between both sides of the valve core assembly 20 to push the valve core assembly 20 to move.

The intermediate end cap 15 is provided at one end of the driving unit 19, the driving unit 19 is connected to the intermediate end cap 15 and the main body portion 18, and the intermediate end cap 15 may be fixedly connected to the driving unit 19 or may not be fixedly connected to the main body portion 18. With this arrangement, the intermediate cover 15 can be fixed to one end of the main body 18, and then the driving unit 19 can be mounted after the mounting of the components such as the seal ring 153 and the like, thereby facilitating the mounting of the intermediate cover 15.

The middle end cover 15 is provided with a mounting hole 151, the inner wall of the mounting hole 151 is provided with a sealing groove 152, a sealing ring 153 is arranged in the sealing groove 152, and the sealing ring 153 can be abutted against the valve core assembly 20 so that the valve core assembly 20 can slide in the mounting hole 151 in a sealing manner.

Referring to fig. 6, the middle end cover 15 includes a cover body 155 and a guide sleeve 156 connected to each other, the cover body 155 is disposed outside the guide sleeve 156 and connected to the inner wall of the driving portion 19, the valve core assembly 20 is disposed in the guide sleeve 156 in a penetrating manner, the cover body 155 and the guide sleeve 156 are separately disposed, and the mounting hole 151 is disposed in the guide sleeve 156. In the process of mounting, the cover body 155 may be welded to the body 18, and then components such as the seal ring 153 may be assembled to the guide sleeve 156 and then connected to the cover body 155, so that the seal ring 153 can be protected from the high welding temperature. The cover body 155 and the guide sleeve 156 are connected by rivets, screws, or the like.

The outer side wall of the middle cap 15 is formed with a solder groove 154, that is, the outer side wall of the lid 155 is formed with a solder groove 154, and before soldering, solder or a solder ring is placed in the solder groove 154 and then soldering is performed.

Referring to fig. 1, a first end cover 16 and a second end cover 17 are disposed at two ends of the valve body 10, the first end cover 16 and the middle end cover 15 form a circulation cavity 111, the circulation cavity 111 is located inside the main body 18, the middle end cover 15 and the valve core assembly 20 form a first cavity 112, the middle end cover 15 and the valve core assembly 20 form a second cavity 113, and the first cavity 112 and the second cavity 113 are located inside the driving portion 19. When the solenoid valve 100 is in the open state, the communication chamber 111 communicates with the first communication port 101 and the second communication port 102. The medium in the first cavity 112 and the second cavity 113 can form a pressure difference to push the valve element assembly 20 to move, so that the communication or the separation of the first communication port 101 and the second communication port 102 is controlled, a bidirectional function is realized, the pipeline of the air conditioning unit can be simplified, and the cost is reduced.

The valve core assembly 20 includes a link member 22 and a slider member 23, the slider member 23 is connected to the link member 22, and one end of the link member 22 is inserted into the mounting hole 151.

The connecting rod part 22 comprises a connecting rod 221 and a guide frame 222 which are connected with each other, the guide frame 222 is sleeved outside the slider part 23, the guide frame 222 rotates under the influence of a medium, the guide frame 222 and the slider part 23 can be abutted against each other to limit the rotation of the guide frame 222 and the slider part 23, the slider part 23 is prevented from inclining in the moving process to influence the sealing performance of the slider part to seal the first communication port 101 and the second communication port 102, and meanwhile, the slider part 23 is prevented from inclining and clamping into the first communication port 101 or the second communication port 102 to cause the clamping of the slider part 23.

The slider member 23 includes a first portion 231 and a second portion 232, the first portion 231 is provided near the first communication port 101, and the second portion 232 is provided near the second communication port 102. The first portion 231 can close the first communication port 101, and the second portion 232 can close the second communication port 102.

Specifically, an accommodating cavity 235 is formed between the first portion 231 and the second portion 232, a second elastic member 233 is disposed in the accommodating cavity 235, one end of the second elastic member 233 abuts against the first portion 231, the other end of the second elastic member 233 abuts against the second portion 232, and the first portion 231 and the second portion 232 are respectively abutted against the end surface of the first communication port 101 and the end surface of the second communication port 102 by the second elastic member 233, so as to enhance the sealing performance of the sealing.

Referring to fig. 4, in the first embodiment, the first portion 231 and the second portion 232 include a first section 2311 and a second section 2312, the first section 2311 of the first portion 231 is disposed near the first communicating opening 101, the first section 2311 of the second portion 232 is disposed near the second communicating opening 102, an inner diameter of the second section 2312 of the first portion 231 is greater than an inner diameter of the second section 2312 of the first portion 231, the second section 2312 of the first portion 231 is sleeved outside the second section 2312 of the second portion 232, the first portion 231 is provided with the balance hole 234, and the accommodating cavity 235 is communicated with the circulating cavity 111 through the balance hole 234; or, the inner diameter of the second section 2312 of the second portion 232 is greater than the inner diameter of the second section 2312 of the first portion 231, the second section 2312 of the second portion 232 is sleeved outside the second section 2312 of the first portion 231, the second portion 232 is provided with a balance hole 234, and the accommodating cavity 235 is communicated with the inside of the circulation cavity 111 through the balance hole 234. So set up for holding chamber 235 and circulation chamber 111 intercommunication to prevent that second portion 232 from receiving the extrusion of medium, simultaneously, when the medium acts on first portion 231, the volume of holding chamber 235 can dwindle, sets up balanced hole 234 and can make the medium in the holding chamber 235 flow out from balanced hole 234.

Referring to fig. 5, in the second embodiment, the first portion 231 and the second portion 232 have the same structure and size, that is, the shape of the first portion 231 is the same as the shape of the second portion 232, the width of the first portion 231 is the same as the width of the second portion 232, the length of the first portion 231 is the same as the length of the second portion 232, and the height of the first portion 231 is the same as the height of the second portion 232, so that a mold can be saved, and the production cost can be reduced. The second section 2312 of the first portion 231 is spaced apart from the second section 2312 of the second portion 232 to form a gap 236, and the flow-through chamber 111 communicates with the receiving chamber 235 through the gap 236. With this arrangement, the inner size of the slider member 23 can be reduced, and the miniaturization design can be facilitated.

The outer diameter of the first section 2311 is larger than that of the second section 2312, and the guide frame 222 is sleeved outside the second section 2312. When the first section 2311 is impacted by a medium, the guide holder 222 can abut against the first section 2311, and the guide holder 222 and the slider member 23 can be restricted from rotating relative to each other. In the first embodiment, the second section 2312 of the first portion 231 and the second section 2312 of the second portion 232 abut against each other, thereby further preventing rotation. In embodiment two, guide frame 222 is spaced from second segment 2312 to maintain gap 236 in communication with recirculation chamber 111.

Referring to fig. 2, the valve core assembly 20 further includes a piston member 21, and the piston member 21 is disposed in the driving portion 19 and isolates the first chamber 112 from the second chamber 113.

The piston member 21 includes a bowl-shaped piston bowl 211, and an outer side wall of the piston bowl 211 can abut against an inner wall of the valve chamber 11 to slide the piston member 21 in the valve chamber 11 in a sealing manner. The piston bowl 211 is made of teflon.

The piston bowl 211 comprises a first bowl 2111 and a second bowl 2112, the first bowl 2111 and the second bowl 2112 are both bowl-shaped, the piston component 21 further comprises a middle baffle plate 212, and the first bowl 2111 and the second bowl 2112 are respectively arranged on two sides of the middle baffle plate 212 and are arranged back to back. The intermediate baffle 212 connects and supports the first bowl 2111 and the second bowl 2112.

The piston assembly 21 further includes a first baffle 213 and a second baffle 214, the first baffle 213 is disposed in the first bowl 2111 and disposed in the first chamber 112, the second baffle 214 is disposed in the second bowl 2112 and disposed in the second chamber 113, and the connecting rod 221 penetrates through the first baffle 213 and the second baffle 214, respectively. The first shutter 213 can abut against the intermediate cover 15 and functions as a stopper when the valve is closed, and the second shutter 214 can abut against the second cover 17 and functions as a stopper when the valve is opened. The first baffle plate 213, the first bowl 2111, the intermediate baffle plate 212, the second bowl 2112 and the second baffle plate 214 are connected by screws or rivets.

A first projection 2131 is provided on the side surface of the piston member 21 facing the middle cap 15, and when the piston member 21 moves in the direction approaching the first communication port 101 and the second communication port 102, the first projection 2131 can abut against the middle cap 15 and can serve as a stopper when the valve is closed; and/or, a second protrusion 2141 is provided on a side surface of the piston member 21 facing the second end cap 17, and when the piston member 21 moves in a direction approaching the second end cap 17, the second protrusion 2141 can abut against the second end cap 17, and functions as a stopper when the valve is opened.

In the present embodiment, since the first baffle 213 and the second baffle 214 are disposed on both sides of the piston bowl 211, the first protrusion 2131 and the second protrusion 2141 are disposed on the first baffle 213 and the second baffle 214, respectively.

The first projection 2131 is annular, a first orifice 2132 is opened in a side surface of the first projection 2131, and a medium can enter between the intermediate cap 15 and the piston member 21 through the first orifice 2132. When the solenoid valve 100 is in a closed state and needs to be opened, the medium entering the first cavity 112 from the first capillary 131 can enter between the middle cap 15 and the piston member 21 from the first orifice 2132, and the contact area between the medium and the piston member 21 is increased, so that the piston member 21 is pushed to move more smoothly.

The second protrusion 2141 is annular, a second orifice 2142 is formed in a side surface of the second protrusion 2141, and a medium can enter between the piston member 21 and the second end cap 17 through the second orifice 2142. When the solenoid valve 100 is in an open state and needs to be closed, the medium entering the second chamber 113 from the second capillary 141 can enter between the piston member 21 and the second end cap 17 through the second orifice 2142, so that the contact area between the medium and the piston member 21 is increased, and the piston member 21 is pushed to move more smoothly.

The piston member 21 further includes a first elastic element 215, the first elastic element 215 is disposed in the piston bowl 211 and abuts against an inner wall of the piston bowl 211, and the first elastic element 215 can enhance a sealing effect of the piston bowl 211. In this embodiment, two first elastic members 215 are disposed in the first bowl 2111 and the second bowl 2112, respectively.

Preferably, the first elastic member 215 is a ring-shaped tooth spring, which can enhance elasticity.

The solenoid valve 100 further includes a pilot valve 30, and the pilot valve 30 is disposed outside the driving portion 19 and connected to the first capillary tube 131 and the second capillary tube 141. By reversing the pilot valve 30, the pressure difference across the piston member 21 is controlled, thereby pushing the piston member 21.

The utility model also provides an air conditioning unit, including foretell reversible solenoid valve 100.

During operation, when the electromagnetic valve 100 needs to be closed, the pilot valve 30 is switched to introduce a high-pressure medium into the second chamber 113 from the second capillary 141, the medium in the first chamber 112 flows out from the first capillary 131, the piston member 21 is pushed to move in a direction close to the main body portion 18, and the slider member 23 blocks the first communication port 101 and the second communication port 102; when the solenoid valve 100 needs to be opened, the pilot valve 30 is switched to introduce the high-pressure medium from the first capillary tube 131 into the first chamber 112, and the medium in the second chamber 113 flows out from the second capillary tube 141, so that the piston member 21 is pushed to move in a direction away from the main body portion 18, and the slider member 23 releases the blocking of the first communication port 101 and the second communication port 102. When the air conditioning unit is switched from the cooling mode to the heating mode or from the heating mode to the cooling mode, the flow direction of the medium is reversed, and the solenoid valve 100 can still work normally.

The utility model discloses a set up the drive division 19 and the 18 components of a whole that can function independently of main part of valve body 10, can be fixed in drive division 19 with middle end cover 15 earlier on, spare parts such as sealing washer 153 on the reinstallation middle end cover 15, easy to assemble again.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A reversible electromagnetic valve comprises a valve body (10) and a valve core assembly (20), wherein a first communication port (101) and a second communication port (102) are respectively formed in two sides of the valve body (10), the valve body (10) is provided with a valve cavity (11), the valve core assembly (20) is arranged in the valve cavity (11), and the valve core assembly (20) can slide in the valve cavity (11) to enable the first communication port (101) and the second communication port (102) to be communicated or separated;

the valve body (10) is characterized by comprising a main body part (18) and a driving part (19), wherein the main body part (18) is connected to the driving part (19), one part of the valve core assembly (20) is positioned in the main body part (18), the other part of the valve core assembly (20) extends into the driving part (19), and the main body part (18) and the driving part (19) are arranged in a split mode.

2. The reversible electromagnetic valve according to claim 1, wherein an intermediate end cover (15) is disposed at one end of the driving portion (19) close to the main body portion (18), the driving portion (19) is connected to the intermediate end cover (15), a mounting hole (151) is formed in the intermediate end cover (15), the valve core assembly (20) is inserted into the mounting hole (151), a sealing groove (152) is formed in an inner wall of the mounting hole (151), a sealing ring (153) is disposed in the sealing groove (152), and the sealing ring (153) can abut against the valve core assembly (20).

3. The reversible electromagnetic valve according to claim 2, wherein the intermediate end cover (15) includes a cover body (155) and a guide sleeve (156) that are connected to each other, the cover body (155) is disposed outside the guide sleeve (156) and connected to an inner wall of the driving portion (19), the valve core assembly (20) is disposed in the guide sleeve (156) in a penetrating manner, and the cover body (155) and the guide sleeve (156) are separately disposed.

4. The reversible solenoid valve according to claim 2, characterized in that the outer side wall of the intermediate end cap (15) is provided with a solder groove (154).

5. The reversible solenoid valve according to claim 2, characterized in that the spool assembly (20) comprises a piston member (21), the piston member (21) being provided on a side of the intermediate end cover (15) remote from the first communication port (101), the valve chamber (11) comprising a first chamber (112) and a second chamber (113), the first chamber (112) being located between the intermediate end cover (15) and the piston member (21), the second chamber (113) being located on a side of the piston member (21) remote from the intermediate end cover (15); the reversible electromagnetic valve further comprises a pilot valve (30), a third communication port (13) and a fourth communication port (14) are formed in the driving portion (19), the third communication port (13) is communicated with the first cavity (112), the fourth communication port (14) is communicated with the second cavity (113), and the pilot valve (30) is communicated with the third communication port (13) and the fourth communication port (14) respectively.

6. The reversible solenoid valve according to claim 1, wherein the spool assembly (20) further comprises a slider member (23), the slider member (23) being disposed adjacent to the first communication port (101), the slider member (23) being slidable in an axial direction of the reversible solenoid valve to close the first communication port (101) and the second communication port (102).

7. The reversible solenoid valve according to claim 6, wherein the slider member (23) includes a first portion (231) and a second portion (232), the first portion (231) is disposed near the first communication port (101), the second portion (232) is disposed near the second communication port (102), the first portion (231) and the second portion (232) are disposed opposite to each other to form an accommodation chamber (235), a second elastic member (233) is disposed in the accommodation chamber (235), one end of the second elastic member (233) abuts against the first portion (231), and the other end abuts against the second portion (232).

8. The reversible solenoid valve according to claim 7, characterized in that the first portion (231) and the second portion (232) each comprise a first section (2311) and a second section (2312), the first section (2311) of the first portion (231) is disposed near the first communication port (101), the first section (2311) of the second portion (232) is disposed near the second communication port (102), the second section (2312) of the first portion (231) is sleeved outside the second section (2312) of the second portion (232), the first portion (231) is provided with a balance hole (234), and the accommodation chamber (235) is communicated with the inside of the main body portion (18) through the balance hole (234); or the second section (2312) of the second part (232) is sleeved outside the second section (2312) of the first part (231), the second part (232) is provided with a balance hole (234), and the accommodating cavity (235) is communicated with the inside of the main body part (18) through the balance hole (234).

9. The reversible solenoid valve according to claim 7, characterized in that the first portion (231) and the second portion (232) are respectively identical in structure and size, the first portion (231) and the second portion (232) being arranged at a distance to form a gap (236), the housing chamber (235) communicating with the interior of the main body portion (18) through the gap (236).

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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