CN114593270B - Reversing valve and air conditioning system with same - Google Patents

Reversing valve and air conditioning system with same Download PDF

Info

Publication number
CN114593270B
CN114593270B CN202011417390.4A CN202011417390A CN114593270B CN 114593270 B CN114593270 B CN 114593270B CN 202011417390 A CN202011417390 A CN 202011417390A CN 114593270 B CN114593270 B CN 114593270B
Authority
CN
China
Prior art keywords
slider
section
reversing valve
sliding block
connecting pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202011417390.4A
Other languages
Chinese (zh)
Other versions
CN114593270A (en
Inventor
张克鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Dunan Artificial Environment Co Ltd
Original Assignee
Zhejiang Dunan Artificial Environment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Dunan Artificial Environment Co Ltd filed Critical Zhejiang Dunan Artificial Environment Co Ltd
Priority to CN202011417390.4A priority Critical patent/CN114593270B/en
Publication of CN114593270A publication Critical patent/CN114593270A/en
Application granted granted Critical
Publication of CN114593270B publication Critical patent/CN114593270B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/08—Means in valves for absorbing fluid energy for decreasing pressure or noise level and having a throttling member separate from the closure member, e.g. screens, slots, labyrinths
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
    • F16K11/0655—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with flat slides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
    • F16K31/1225—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston with a plurality of pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2500/00—Problems to be solved
    • F25B2500/12—Sound

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Multiple-Way Valves (AREA)
  • Details Of Valves (AREA)

Abstract

The invention relates to the field of air conditioners, in particular to a reversing valve and an air conditioning system with the reversing valve. The invention provides a reversing valve which comprises a valve body, a first connecting pipe and a sliding block assembly, and also comprises a drainage structure, wherein the drainage structure comprises a flexible connecting pipe, the flexible connecting pipe is provided with a first end and a second end which are oppositely arranged, the first end is fixedly arranged at a first flow opening and communicated with the first connecting pipe, and the second end is connected with the sliding block assembly and synchronously moves with the sliding block assembly. The invention also provides an air conditioning system which comprises the reversing valve. Compared with the prior art, the invention has the advantages that: through set up drainage structure between valve body and slider subassembly to make before high-pressure fluid gets into the valve pocket, guide the flow direction to the both sides of slider subassembly by drainage structure to high-pressure fluid earlier, make under the unchangeable circumstances of pressure, can reduce the high-pressure fluid and bring the pressure of slider subassembly, and then reduce sliding friction, thereby realized the effect of making an uproar that falls.

Description

Reversing valve and air conditioning system with same
Technical Field
The invention relates to the field of air conditioners, in particular to a reversing valve and an air conditioning system with the reversing valve.
Background
The reversing valve is an important part of the heat pump type air conditioner and comprises an electromagnetic coil, a pilot valve and a main valve. The main valve is commutated through the combined action of the electromagnetic coil and the pilot valve to switch the flowing direction of the refrigerant, so that the air conditioner is switched between two working states of refrigeration and heating.
When the existing reversing valve is switched between refrigeration cycle and heating cycle, the sliding block assembly can transversely slide, at the moment, due to the high-pressure fluid flowing into the valve cavity from the first connecting pipe, the sliding block bears higher pressure, in the sliding process of the sliding block, the sliding block directly rubs with the valve seat, and due to the higher pressure, larger friction is generated, and noise is generated in the process.
Disclosure of Invention
In view of the above, the present invention provides a reversing valve that reduces the pressure applied to a slider, and reduces friction between the slider and a valve body, thereby reducing noise.
In order to solve the technical problems, the invention provides the following technical scheme:
the reversing valve comprises a valve body, a first connecting pipe and a sliding block assembly, wherein a valve cavity is formed in the valve body, a first flow opening is formed in the valve body, the first connecting pipe is arranged at the first flow opening and is communicated with the valve cavity, and the sliding block assembly is positioned in the valve cavity and can slide relatively in the valve cavity; the reversing valve further comprises a drainage structure, the drainage structure comprises a flexible connecting pipe, the flexible connecting pipe is provided with a first end and a second end which are arranged in a back-to-back mode, the first end is fixedly arranged at the first flow opening and communicated with the first connecting pipe, and the second end is connected with the sliding block assembly and moves synchronously with the sliding block assembly.
It can be understood that, this application is through set up between the valve body with the slider subassembly drainage structure, thereby makes before high-pressure fluid gets into the valve pocket, earlier by drainage structure guides the flow direction to the both sides of slider subassembly to high-pressure fluid, makes under the condition that fluid total pressure does not change, can reduce high-pressure fluid and bring for the pressure of slider subassembly, and then reduces sliding friction, thereby has realized the effect of making an uproar that falls.
In one embodiment, the flexible connection pipe comprises a telescopic section, a first connection section and a second connection section, wherein the first connection section and the second connection section are respectively connected to two ends of the telescopic section, one end of the first connection section, which is far away from the telescopic section, forms the first end, one end of the second connection section, which is far away from the telescopic section, forms the second end, and the telescopic section can stretch and retract along with the movement of the sliding block assembly.
It will be appreciated that the sliding block assembly is not affected by the fixed connection of the flexible adapter to the valve body when sliding in the valve cavity.
In one embodiment, a drainage hole penetrating through the flexible connecting pipe is formed in the side wall of the flexible connecting pipe, and the inside of the flexible connecting pipe is communicated with the valve cavity through the drainage hole.
It will be appreciated that fluid in the flexible wand may be caused to flow into the valve chamber through the drain hole.
In one embodiment, the number of the drainage holes is a plurality, and the plurality of the drainage holes are close to the second end and are arranged at intervals along the circumferential direction of the flexible connecting tube.
It is understood that the plurality of drainage holes play a role in diversion, and all fluid can be prevented from impacting the sliding block located right below the first connecting pipe.
In one embodiment, the slider assembly includes a slider slidably disposed within the valve cavity; the first end of the flexible connecting pipe is in buckling connection with the valve body; the second end of the flexible connecting pipe is connected with the sliding block in a buckling mode.
In one embodiment, the drainage structure further comprises a bracket, and the sliding block assembly comprises a sliding block, and the sliding block is slidably arranged in the valve cavity; the support is mounted on the flexible connecting pipe and at least partially covers the sliding block, and moves in the valve cavity along with the sliding block, and the second end of the flexible connecting pipe is mounted on the support.
It can be understood that, before the high-pressure fluid enters the valve cavity, the flexible connecting pipe guides the high-pressure fluid to flow to the support, so that most of the fluid is impacted to the part where the support is connected with the flexible connecting pipe, and the area of the part is much smaller than that of the original sliding block, so that the pressure falling to the sliding block is reduced under the condition that the total pressure of the fluid is not changed, and the sliding friction force is further reduced, thereby realizing the purpose of noise reduction.
In one embodiment, the support comprises a horizontal section and a vertical section, the vertical section is connected to the horizontal section and located at a side edge of the horizontal section, the horizontal section is parallel to the sliding direction of the sliding block, and the horizontal section can at least partially cover the sliding block along the sliding direction perpendicular to the sliding block.
In one embodiment, the slider assembly further comprises a guide frame mounted to the slider, and the bracket is mounted to the guide frame.
In one embodiment, the sliding block assembly comprises a sliding block and a piston unit, the sliding block is slidingly arranged in the valve cavity, the piston unit is connected with the sliding block and drives the sliding block to move, the drainage structure further comprises a support, the support is mounted on the flexible connecting pipe and covers the sliding block, and two ends of the support are respectively connected with the piston unit.
It can be understood that before the high-pressure fluid enters the valve cavity, the flexible connecting pipe guides the high-pressure fluid to flow to the support, so that most of the fluid is impacted to the part where the support is connected with the flexible connecting pipe, and the pressure drop to the sliding block is reduced under the condition that the pressure is not changed because the area of the part is much smaller than that of the original sliding block, and the sliding friction force is further reduced, so that the purpose of noise reduction is realized.
The invention also provides the following technical scheme:
an air conditioning system includes a reversing valve.
Compared with the prior art, the reversing valve provided by the invention has the advantages that the drainage structure is arranged between the first circulation port and the sliding block assembly, so that the drainage structure guides the high-pressure fluid to flow to the two sides of the sliding block assembly before the high-pressure fluid enters the valve cavity, the pressure of the high-pressure fluid brought to the sliding block assembly can be reduced under the condition that the pressure is not changed, and the sliding friction force is further reduced, so that the noise reduction effect is realized.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a reversing valve provided by the present invention;
FIG. 2 is a schematic view of a flexible adapter provided by the present invention;
fig. 3 is a schematic structural diagram of a second embodiment of the reversing valve provided by the present invention;
fig. 4 is a schematic structural diagram of a bracket according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of a third embodiment of the reversing valve provided by the present invention;
fig. 6 is a schematic structural diagram of a bracket according to a third embodiment of the present invention.
The symbols in the drawings are as follows:
100. a reversing valve; 10. a valve body; 101. a valve seat; 11. a valve cavity; 12. a first flow port; 121. a first connection pipe; 13. a second flow port; 131. a second connection pipe; 14. a third flow port; 141. a third connection pipe; 15. a fourth flow port; 151. a fourth connection pipe; 20. a slider assembly; 21. a slide block; 211. a clamping groove; 22. a guide frame; 23. a piston unit; 30. a drainage structure; 31. a flexible connection pipe; 311. a first end; 3111. a first connection section; 312. a second end; 3121. a second connection section; 313. a telescoping section; 314. drainage holes; 32. a bracket; 321. a horizontal section; 3211. a connection hole; 322. a vertical section.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It will be understood that when an element is referred to as being "mounted" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements 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. The term "or/and" as used herein 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 reversing valve 100, and the reversing valve 100 is applied to an air conditioning system for switching between different pipelines in the air conditioning system. In this embodiment, the reversing valve 100 is a four-way reversing valve, and in other embodiments, the reversing valve 100 may be a five-way reversing valve, a six-way reversing valve, or other types of reversing valves.
Specifically, the reversing valve 100 provided by the invention comprises a valve body 10, a valve seat 101, a first connecting pipe 121 and a sliding block assembly 20, wherein a valve cavity 11 is formed in the valve body 10, the valve seat 101 is arranged in the valve cavity 11, a first flow opening 12 is formed in the valve body 10, the first connecting pipe 121 is arranged in the first flow opening 12 and is communicated with the valve cavity 11, and the sliding block assembly 20 is positioned in the valve cavity 11 and is partially arranged on the valve seat 101 and can relatively slide in the valve cavity 11; the reversing valve 100 further includes a flow guiding structure 30, the flow guiding structure 30 includes a flexible connection tube 31, the flexible connection tube 31 has a first end 311 and a second end 312 disposed opposite to each other, the first end 311 is fixedly disposed at the first flow port 12 and is in communication with the first connection tube 121, and the second end 312 is connected to the slider assembly 20 and moves synchronously with the slider assembly 20.
It should be noted that when the conventional reversing valve is switched between the refrigeration cycle and the heating cycle, the sliding block assembly slides in the valve cavity, and at this time, due to the high-pressure fluid flowing into the valve cavity from the first connecting pipe, the sliding block assembly bears higher pressure, during the sliding process of the sliding block assembly, the sliding block assembly directly rubs against the valve seat, and because of the higher pressure, larger friction is generated, and noise is generated in the process.
In the present invention, the drainage structure 30 is disposed between the first flow port 12 and the slider assembly 20, so that the high-pressure fluid is guided by the drainage structure 30 to flow to two sides of the slider assembly 20 before the high-pressure fluid enters the valve cavity 11, so that the pressure of the high-pressure fluid brought to the slider assembly 20 can be reduced under the condition that the total pressure of the fluid does not change, and further the sliding friction force is reduced, thereby realizing the noise reduction effect.
In the reversing valve 100 provided by the invention, the valve body 10 is also provided with a second flow port 13, a third flow port 14 and a fourth flow port 15, and the second flow port 13, the third flow port 14 and the fourth flow port 15 are respectively provided with a second connecting pipe 131, a third connecting pipe 141 and a fourth connecting pipe 151 which are respectively communicated with the valve cavity 11.
It should be noted that, in the present embodiment, the first flow port 12 is a high-pressure port, and is connected to a discharge port of a compressor (not shown) in the air conditioning system, and in other embodiments, the first flow port 12 may be connected to other devices according to different applications of the reversing valve 100; the second connection pipe 131 is connected to an evaporator (not shown) in the air conditioning system, the third connection pipe 141 is connected to an air suction port of the compressor, and the fourth connection pipe 151 is connected to a condenser (not shown), however, in other embodiments, other flow ports may be formed in the valve body 10, which is not limited herein.
Example 1
As shown in fig. 1, the slide block assembly 20 includes a slide block 21, a piston unit 23 and a guide frame 22, wherein the slide block 21 is slidably disposed in the valve chamber 11, the guide frame 22 is mounted on the slide block 21, and the piston unit 23 is connected to the slide block 21 through the guide frame 22 and drives the slide block 21 to move.
In this embodiment, the second end 312 of the flexible nipple 31 is mounted to the slider 21.
As shown in fig. 2, the flexible connection pipe 31 includes a flexible section 313, a first connection section 3111 and a second connection section 3121, the first connection section 3111 and the second connection section 3121 are respectively connected to two ends of the flexible section 313, one end of the first connection section 3111 away from the flexible section 313 forms a first end 311, one end of the second connection section 3121 away from the flexible section 313 forms a second end 312, the flexible section 313 can stretch and retract along with the movement of the slider assembly 20, so that the slider assembly 20 is not affected by the fixed connection of the flexible connection pipe 31 and the valve body 10 when sliding in the valve cavity 11.
Further, a drainage hole 314 is formed in the side wall of the flexible connecting tube 31 and is arranged in a penetrating manner, and the inside of the flexible connecting tube 31 is communicated with the valve cavity 11 through the drainage hole 314; in this embodiment, the number of the drainage holes 314 is plural, the plurality of drainage holes 314 are close to the second end 312 and are arranged at intervals along the circumferential direction of the flexible connection pipe 31, and the plurality of drainage holes 314 play a role in diversion, so that high-pressure fluid is prevented from totally impacting on the sliding block 21; of course, in other embodiments, the drainage hole 314 may be disposed on the flexible adapter 31 in other manners, which are not limited herein.
The first end 311 of the flexible connection tube 31 is in snap connection with the valve body 10; the second end 312 of the flexible connection tube 31 is in snap connection with the slider 21, which facilitates the installation and replacement of the flexible connection tube 31.
It should be noted that, the first end 311 of the flexible connection tube 31 is fixedly connected to the valve body 10 at a position close to the first flow port 12 by means of a lap joint buckle; the slider 21 is provided with a clamping groove 211 near one end face of the flexible connecting tube 31, and the second end 312 of the flexible connecting tube 31 is detachably connected with the slider 21 by being inserted into the clamping groove 211.
Preferably, in the present embodiment, the contact portion between the second end 312 of the flexible connection tube 31 and the clamping groove 211 is fixedly connected with the slider 21 by seam welding; of course, in other embodiments, other fixing methods such as bonding may be used, which is not limited herein.
Preferably, in the present embodiment, the shape of the clamping groove 211 is selected to be an annular shape matched with the size of the flexible connection pipe 31, so that the flexible connection pipe 31 can be more tightly fixed on the sliding block 21; of course, in other embodiments, the clamping groove 211 may take other shapes, which is not limited herein.
In this embodiment, when the high-pressure fluid enters the valve cavity 11 through the first connection pipe 121, the high-pressure fluid flows into the flexible connection pipe 31 and then flows out of the drainage hole 314, so that the high-pressure fluid is guided to flow to two sides of the sliding block 21, and thus the pressure of the high-pressure fluid brought to the sliding block 21 can be reduced under the condition that the total pressure of the fluid is not changed, and further the sliding friction force between the sliding block 21 and the valve body 10 is reduced, so that the noise reduction effect is realized.
Example two
As shown in fig. 3 and 4, the structure of the second embodiment is substantially identical to that of the first embodiment, and the same parts can be referred to for illustration in the first embodiment, and the details are not repeated herein, except that:
in this embodiment, the drainage structure 30 includes a bracket 32, the bracket 32 is connected to the slider assembly 20, the bracket 32 at least partially covers the slider 21, and the second end 312 of the flexible connection tube 31 is mounted on the bracket 32 as the slider 21 moves within the valve chamber 11.
As shown in fig. 4, the bracket 32 includes a horizontal section 321 and a vertical section 322, the vertical section 322 is connected to the horizontal section 321 and mounted on the guide frame 22 and is located at a side of the horizontal section 321, the horizontal section 321 is parallel to a sliding direction of the slider 21, and the horizontal section 321 can at least partially cover the slider 21 in a direction perpendicular to the sliding direction of the slider 21.
Preferably, in the present embodiment, the horizontal section 321 and the vertical section 322 of the bracket 32 are provided as one body; of course, in other embodiments, the horizontal section 321 and the vertical section 322 of the bracket 32 may be connected by welding, etc., which is not limited herein.
Further, the horizontal section 321 of the bracket 32 is provided with a connecting hole 3211 for inserting the flexible connection pipe 31 into the connecting hole 3211, and then inserting the second end 312 of the flexible connection pipe 31 into the clamping groove 211.
It should be noted that, during the process of connecting the flexible connection pipe 31 with the support 32 through the connecting hole 3211, it is necessary to ensure that the drainage hole 314 is located at the end of the horizontal section 321 of the support 32 close to the first flow opening 12, so that when the high-pressure fluid flows out from the drainage hole 314, the high-pressure fluid can be guided to flow to the support 32 and the portion of the support 32 in contact with the flexible connection pipe 31, so that the high-pressure fluid is prevented from flowing onto the slider 21, that is, the support 32 plays a role of blocking.
Alternatively, the bracket 32 and the guide frame 22 may be fixedly coupled by welding or bolting, which are not limited herein.
In this embodiment, when the high-pressure fluid enters the valve cavity 11 through the first connection pipe 121, the high-pressure fluid flows into the flexible connection pipe 31 and then flows out of the drainage hole 314, so that the high-pressure fluid is guided to flow to the support 32 and the portion where the support 32 meets the flexible connection pipe 31, and thus, under the condition that the total pressure of the fluid does not change, the pressure of the high-pressure fluid brought to the sliding block 21 can be reduced, and further, the sliding friction force between the sliding block 21 and the valve body 10 is reduced, so that the noise reduction effect is achieved.
Example III
As shown in fig. 5 and 6, the structure of the third embodiment is substantially identical to that of the first and second embodiments, and the same parts can be referred to for explanation in the first and second embodiments, and the details thereof will not be repeated herein, except that:
in the present embodiment, the bracket 32 is mounted on the flexible connection pipe 31 and covers the slider 21, and both ends of the bracket 32 are respectively connected to the piston units 23.
As shown in fig. 6, the bracket 32 only includes a horizontal section 321 and a connecting hole 3211 formed in the horizontal section 321, and both ends of the horizontal section 321 are fixedly connected to the piston unit 23.
Alternatively, the bracket 32 and the piston unit 23 may be fixedly coupled by welding or bolting, which is not limited herein.
In this embodiment, when the high-pressure fluid enters the valve cavity 11 through the first connection pipe 121, the high-pressure fluid flows into the flexible connection pipe 31 and then flows out of the drainage hole 314, so that the high-pressure fluid is guided to flow to the support 32 and the portion where the support 32 meets the flexible connection pipe 31, and thus, under the condition that the total pressure of the fluid does not change, the pressure of the high-pressure fluid brought to the sliding block 21 can be reduced, and further, the sliding friction force between the sliding block 21 and the valve body 10 is reduced, so that the noise reduction effect is achieved.
The present invention also provides an air conditioning system (not shown) including the reversing valve 100.
The air conditioning system also has the advantages of the reversing valve 100 described above.
In the working process, the flow direction of the fluid of the air conditioning system in the valve body 10 is guided to be switched by controlling the on-off of a pilot valve (not shown), the pressure difference at two ends of the piston unit 23 is changed, the piston unit 23 moves in the valve body 10, the flow relation among the first flow port 12, the second flow port 13, the third flow port 14 and the fourth flow port 15 is changed, the flow direction of the refrigerant in the system is changed, and the switching of the refrigerating and heating modes of the air conditioning system is realized.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (9)

1. The reversing valve comprises a valve body (10), a first connecting pipe (121) and a sliding block assembly (20), wherein a valve cavity (11) is formed in the valve body (10), a first flow opening (12) is formed in the valve body (10), the first connecting pipe (121) is installed in the first flow opening (12), and the sliding block assembly (20) is located in the valve cavity (11) and can slide relatively in the valve cavity (11); the reversing valve is characterized by further comprising a drainage structure (30), wherein the drainage structure (30) comprises a flexible connecting pipe (31), the flexible connecting pipe (31) is provided with a first end (311) and a second end (312) which are arranged in a back-to-back mode, the first end (311) is fixedly arranged at the first circulation port (12) and communicated with the first connecting pipe (121), and the second end (312) is connected with the sliding block assembly (20) and synchronously moves with the sliding block assembly (20); a drainage hole (314) penetrating through the flexible connecting pipe (31) is formed in the side wall of the flexible connecting pipe (31), and the inside of the flexible connecting pipe (31) is communicated with the valve cavity (11) through the drainage hole (314).
2. Reversing valve according to claim 1, wherein the flexible connection tube (31) comprises a telescopic section (313), a first connection section (3111) and a second connection section (3121), the first connection section (3111) and the second connection section (3121) being connected to both ends of the telescopic section (313), respectively, the first connection section (3111) forming the first end (311) at an end remote from the telescopic section (313), the second connection section (3121) forming the second end (312) at an end remote from the telescopic section (313), the telescopic section (313) being capable of telescoping with movement of the slider assembly (20).
3. The reversing valve according to claim 1, wherein the number of the drainage holes (314) is plural, and a plurality of the drainage holes (314) are adjacent to the second end (312) and are arranged at intervals along the circumference of the flexible connection pipe (31).
4. Reversing valve according to claim 1, characterized in that the slider assembly (20) comprises a slider (21), the slider (21) being slidingly arranged in the valve chamber (11); the first end (311) of the flexible connecting tube (31) is in buckling connection with the valve body (10); the second end (312) of the flexible connection tube (31) is in snap connection with the slider (21).
5. The reversing valve according to claim 1, characterized in that the drain structure (30) further comprises a bracket (32), the slider assembly (20) comprising a slider (21), the slider (21) being slidingly arranged within the valve chamber (11); the support (32) is mounted on the flexible connecting tube (31) and at least partially covers the sliding block (21), and moves in the valve cavity (11) along with the sliding block (21), and the second end (312) of the flexible connecting tube (31) is mounted on the support (32).
6. The reversing valve according to claim 5, characterized in that the bracket (32) comprises a horizontal section (321) and a vertical section (322), the vertical section (322) being connected to the horizontal section (321) and being located at a side of the horizontal section (321), the horizontal section (321) being parallel to the sliding direction of the slider (21), the horizontal section (321) being capable of at least partially covering the slider (21) in a sliding direction perpendicular to the slider (21).
7. The reversing valve according to claim 6, wherein the slider assembly (20) further comprises a guide frame (22), the guide frame (22) being mounted to the slider (21), the bracket (32) being mounted to the guide frame (22).
8. Reversing valve according to claim 1, characterized in that the slide block assembly (20) comprises a slide block (21) and a piston unit (23), the slide block (21) is slidably arranged in the valve cavity (11), the piston unit (23) is connected with the slide block (21) and drives the slide block (21) to move, the drainage structure (30) further comprises a support (32), the support (32) is mounted on the flexible connecting tube (31) and covers the slide block (21), and two ends of the support (32) are respectively connected with the piston unit (23).
9. An air conditioning system comprising a reversing valve according to any one of claims 1 to 8.
CN202011417390.4A 2020-12-07 2020-12-07 Reversing valve and air conditioning system with same Active CN114593270B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011417390.4A CN114593270B (en) 2020-12-07 2020-12-07 Reversing valve and air conditioning system with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011417390.4A CN114593270B (en) 2020-12-07 2020-12-07 Reversing valve and air conditioning system with same

Publications (2)

Publication Number Publication Date
CN114593270A CN114593270A (en) 2022-06-07
CN114593270B true CN114593270B (en) 2024-03-15

Family

ID=81812699

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011417390.4A Active CN114593270B (en) 2020-12-07 2020-12-07 Reversing valve and air conditioning system with same

Country Status (1)

Country Link
CN (1) CN114593270B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4854347A (en) * 1985-05-28 1989-08-08 Masco Corporation Faucet valve with noise reducing slots and blades in preclosing apertures
JP2003004150A (en) * 2001-06-22 2003-01-08 Toyo Kogyo Kk Flow passage switching device
CN103291957A (en) * 2012-02-24 2013-09-11 浙江三花制冷集团有限公司 Main valve of four-way reversing valve and four-way reversing valve provided with main valve
CN207804700U (en) * 2017-09-08 2018-09-04 上海健康医学院 A kind of scalable Lavage tube turned in end
CN110410527A (en) * 2018-04-28 2019-11-05 芜湖美的厨卫电器制造有限公司 Soft water valve and water softening device
CN111396664A (en) * 2020-04-08 2020-07-10 广东美的制冷设备有限公司 Working medium pipe joint, connecting structure, assembly, automobile air conditioner and automobile
CN112013129A (en) * 2020-08-20 2020-12-01 盾安环境技术有限公司 Reversing valve and refrigerating system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4854347A (en) * 1985-05-28 1989-08-08 Masco Corporation Faucet valve with noise reducing slots and blades in preclosing apertures
JP2003004150A (en) * 2001-06-22 2003-01-08 Toyo Kogyo Kk Flow passage switching device
CN103291957A (en) * 2012-02-24 2013-09-11 浙江三花制冷集团有限公司 Main valve of four-way reversing valve and four-way reversing valve provided with main valve
CN207804700U (en) * 2017-09-08 2018-09-04 上海健康医学院 A kind of scalable Lavage tube turned in end
CN110410527A (en) * 2018-04-28 2019-11-05 芜湖美的厨卫电器制造有限公司 Soft water valve and water softening device
CN111396664A (en) * 2020-04-08 2020-07-10 广东美的制冷设备有限公司 Working medium pipe joint, connecting structure, assembly, automobile air conditioner and automobile
CN112013129A (en) * 2020-08-20 2020-12-01 盾安环境技术有限公司 Reversing valve and refrigerating system

Also Published As

Publication number Publication date
CN114593270A (en) 2022-06-07

Similar Documents

Publication Publication Date Title
JP6476152B2 (en) Sliding switching valve and refrigeration cycle system
EP1959214B1 (en) Expansion valve mechanism
US20040035133A1 (en) Simultaneous heating and cooling operation type multi-air conditioner
CN109296805A (en) Motor-driven valve and refrigerating circulation system
JP6261008B2 (en) Sliding switching valve and refrigeration cycle system
JP2017075675A (en) Slide type selector valve and refrigeration cycle system
CN105004109A (en) Six-way valve and cold-warm-type air conditioner with same
JP5825452B1 (en) Four-way selector valve and refrigeration system
CN114593270B (en) Reversing valve and air conditioning system with same
CN108592465B (en) Overpressure stop valve, throttling device and air conditioner
CN216200843U (en) Reversing valve and heat exchange system with same
CN106288543B (en) Five-way reversing valve and air conditioning system
CN106032846B (en) Self-operated three-way valve and air conditioning system thereof
CN107642835B (en) Multi-split outdoor unit and multi-split with same
EP3754234B1 (en) Channel switching valve
CN215059699U (en) Valve seat of reversing valve and reversing valve with same
CN110056675A (en) Slidingtype switching valve and the refrigerating circulation system for having the slidingtype switching valve
CN114704670B (en) Electromagnetic reversing valve and main valve thereof
CN106352111B (en) A kind of electromagnetic pilot-operated triple valve and air-conditioning system
US11739956B2 (en) Air conditioning apparatus
KR100329923B1 (en) Apparatus for selecting directional refrigerant passage of a cooling and heat pump type air-conditioner
KR100683825B1 (en) Structure of reducing a niise for heat-pump air-conditioner
CN210510379U (en) Four-way valve for air conditioner
KR20060039742A (en) Multi-air conditioner with flow channel cut-off valve
US20240085056A1 (en) Window type air-conditioner and installation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant