CN214305292U - Stop valve and air conditioning system with same - Google Patents

Stop valve and air conditioning system with same Download PDF

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Publication number
CN214305292U
CN214305292U CN202023018143.5U CN202023018143U CN214305292U CN 214305292 U CN214305292 U CN 214305292U CN 202023018143 U CN202023018143 U CN 202023018143U CN 214305292 U CN214305292 U CN 214305292U
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China
Prior art keywords
valve
opening
axis
valve body
core
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CN202023018143.5U
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Chinese (zh)
Inventor
楼峰
寿杰
冯雄雄
傅周登
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Zhejiang Dunan Artificial Environment Co Ltd
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Zhejiang Dunan Artificial Environment Co Ltd
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Priority to CN202023018143.5U priority Critical patent/CN214305292U/en
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Publication of CN214305292U publication Critical patent/CN214305292U/en
Priority to PCT/CN2021/127460 priority patent/WO2022127400A1/en
Priority to JP2023509400A priority patent/JP2023541113A/en
Priority to KR1020237010591A priority patent/KR20230058143A/en
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    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • 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
    • F16K41/00—Spindle sealings
    • F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
    • F16K41/04—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Valve Housings (AREA)
  • Lift Valve (AREA)

Abstract

The utility model relates to an air conditioning technology field especially relates to a stop valve and have its air conditioning system. The utility model provides a pair of stop valve, including valve body and case, have first opening, second opening and valve pocket on the valve body, still be equipped with on the valve body and fill the notes end, the extension line of second axis intersects in first nodical with the first axis, and the extension line of third axis intersects in the nodical of second with the first axis, and satisfies following relational expression: d1<d2(ii) a Wherein d is1Is the distance from the first intersection to the second opening, d2Is the distance from the second intersection point to the second opening. The utility model also provides an air conditioning system, it includes above-mentioned stop valve. Compared with the prior art, the invention has the advantages that: by making the first intersection point a distance d from the second opening1Distance d from the second intersection to the second opening2Satisfy d1<d2The pressure loss can be effectively reduced by the condition of (1) so that the fluid can smoothly and smoothly flow in the valve cavity.

Description

Stop valve and air conditioning system with same
Technical Field
The utility model relates to an air conditioning technology field especially relates to a stop valve and have its air conditioning system.
Background
The air conditioning system mainly comprises components such as a compressor, an indoor heat exchanger, an outdoor heat exchanger, a stop valve and the like, wherein the stop valve is mainly used for connecting an indoor unit and an outdoor unit and plays a role in controlling the on-off of a refrigerant flow path.
In the existing stop valve, the first opening and the second opening form an included angle of approximately 90 degrees, that is, the fluid needs to be turned greatly in the flowing process, and due to the blocking of the valve core, the fluid may generate a vortex, so that the pressure loss of the refrigerant is increased, and the energy consumption is increased, therefore, how to make the flowing of the fluid smooth and reduce the pressure loss is a technical problem to be solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
In view of this, to the above technical problem, the utility model provides a stop valve that fluid flow is mild, loss of pressure is little.
In order to solve the technical problem, the utility model provides a following technical scheme:
a stop valve comprises a valve body and a valve core, wherein the valve body is provided with a first opening, a second opening and a valve cavity, the valve body is also provided with a filling end, the first opening is provided with a first axis, the second opening is provided with a second axis, the filling end is provided with a third axis, a valve port is arranged in the valve cavity, and the valve core is slidably arranged in the valve cavity and used for opening/closing the valve port; the second axis intersects the first axis at a first intersection point, the third axis intersects the first axis at a second intersection point, and the first intersection point is a distance d from the first opening along the first axis1A distance of the second intersection point to the first opening along the first axisIs d2,d1And d2And satisfies the following relation: d1<d2。
It will be appreciated that the present application is achieved by providing the first intersection point at a distance d from the second opening1A distance d from the second intersection to the second opening2Satisfy d1<d2The stop valve has the advantages that the flow of fluid in the valve cavity is smoother, the flow capacity of the fluid is stronger, the turning of the flow channel is relatively smooth, the pressure loss can be effectively reduced, and the stop valve can be applied to air-conditioning systems with larger matching number.
In one embodiment, the valve port has an inner diameter d3The inner diameter of the second opening is d4，d3And d4The following relation is satisfied: d3≦d4；
It will be appreciated that the flow capacity of the fluid flow path can be further increased, since the internal diameter of the valve port is smaller than the internal diameter of the second opening, so that the main throttling point of the valve chamber is transferred to the valve port, and when fluid flows in from the second opening until the fluid reaches the valve port, the overall flow is more gradual, and no significant throttling is generated.
In one embodiment, the stop valve further includes a first connection pipe and a second connection pipe, the first connection pipe is fixedly connected to the first opening, and the second connection pipe is fixedly connected to the second opening.
It can be understood that the first connecting pipe and the second connecting pipe are respectively communicated with the valve cavity and used for the inlet and outlet circulation of fluid in the valve cavity.
In one embodiment, the valve body is also internally provided with a first mounting hole communicated with the valve cavity, one end of the valve core extends into the first mounting hole and is connected with the valve body in a sliding manner, and the end face of the other end of the valve core is provided with a first groove with an opening.
It will be appreciated that the provision of the first recess results in a reduction in the mass of the spool and thus improves the efficiency of the impact of the spool.
In one embodiment, a connecting hole is formed in the valve core, one end of the connecting hole extends into the first mounting hole and is concentric and coaxial with the valve core, the connecting hole is an internal threaded hole and is used for being connected with a valve rod in a matched mode, and the valve rod drives the valve core to vertically move along the center line of the valve body.
It can be understood that when the stop valve works, the valve rod is screwed into the connecting hole, the valve rod is rotated clockwise, the valve rod and the valve body are closed, and the communication of the internal medium is cut off; and the valve rod is rotated anticlockwise, the valve rod and the valve body are opened, the circulation of the internal medium is opened, and the internal medium is convenient to control.
In one embodiment, a second groove is further formed in the outer circumferential surface of the valve core, and a sealing ring is placed in the second groove.
It can be understood that the valve core can keep good sealing performance with the cavity wall of the valve cavity all the time during the movement process.
In one embodiment, the valve core and the cavity wall of the valve cavity are provided with a thread pair which is matched with each other, so that the valve core moves in the valve cavity along the axial direction of the valve body.
It is understood that, by applying a torque in the valve opening direction to the valve body, the valve body is displaced in the axial direction of the valve body by the screw pair.
In one embodiment, the shut-off valve further comprises a valve core mounted in the filling end for filling the valve cavity with refrigerant.
It will be appreciated that the valve core allows refrigerant to be charged into the refrigeration system of the split-type air conditioner through the valve core and the valve nozzle when it is desired to charge the refrigerant.
In one embodiment, the shut-off valve further comprises a bonnet positioned at an end of the valve body remote from the first opening and covering the first mounting hole.
It will be appreciated that the bonnet provides dust and water protection for the shut off valve.
The utility model discloses still provide following technical scheme:
an air conditioning system includes a shutoff valve.
Compared with the prior art, the utility model provides a stop valve, through making first nodical extremely second open-ended distance d1A distance d from the second intersection to the second opening2Satisfy d1<d2The stop valve has the advantages that the flow of fluid in the valve cavity is smoother, the flow capacity of the fluid is stronger, the turning of the flow channel is relatively smooth, the pressure loss can be effectively reduced, and the stop valve can be applied to air-conditioning systems with larger matching number.
Drawings
Fig. 1 is a schematic structural view of a stop valve according to the present invention;
fig. 2 is a schematic structural diagram of another view angle of the stop valve provided by the present invention.
The symbols in the drawings represent the following meanings:
100. a stop valve; 10. a valve body; 11. a first opening; 111. a first axis; 112. a first adapter tube; 12. a second opening; 121. a second axis; 122. a second adapter tube; 1211. a first intersection point; 1212. a second intersection point; 13. a valve cavity; 131. a valve port; 132. a first mounting hole; 14. a fill end; 141. a third axis; 142. a valve core; 20. a valve core; 21. a first groove; 22. connecting holes; 23. a second groove; 30. a bonnet; 40. an installation part; 41. and a second mounting hole.
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 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 in the description of the invention herein 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 2, the present invention provides a stop valve 100, wherein the stop valve 100 is disposed on a refrigerant circuit between an indoor unit and an outdoor unit of an air conditioning system, and is used for opening or closing the refrigerant circuit, and also can be used for vacuumizing or filling a refrigerant during maintenance of the air conditioner. Of course, in other embodiments, the shut-off valve 100 may be used in fields other than air conditioning systems, such as fluid piping, petrochemical industry, and aerospace.
Specifically, the stop valve 100 includes a valve body 10 and a valve core 20, the valve body 10 has a first opening 11, a second opening 12 and a valve cavity 13, the valve body 10 is further provided with a filling end 14, the first opening 11 has a first axis 111, the second opening 12 has a second axis 121, the filling end 14 has a third axis 141, the valve cavity 13 has a valve port 131 therein, and the valve core 20 is slidably disposed in the valve cavity 13 for opening/closing the valve port 131; the second axis 121 intersects the first axis 111 at a first intersection 1211, the third axis 141 intersects the first axis 111 at a second intersection 1212, and the first intersection 1211 is located at a distance d from the first opening 11 along the first axis 1111 Second intersection point 1212 is along the first axisThe distance d from the line 111 to the first opening 112,d1And d2And satisfies the following relation: d1<d2。
In the conventional shutoff valve 100, the first opening 11 and the second opening 12 are substantially at an angle of 90 degrees, which means that the fluid needs to be largely diverted during the flow process, and the fluid may be blocked by the valve element 20 to generate a vortex flow, so that the pressure loss of the refrigerant is increased, and the energy consumption is increased. In the present embodiment, the distance d from the first intersection 1211 to the second opening 12 is set1Distance d from second intersection point 1212 to second opening 122Satisfy d1<d2The flow passage turns relatively gently, so that the pressure loss can be effectively reduced, and the stop valve 100 can be applied to an air conditioning system with a larger number of turns.
As shown in fig. 1 and 2, the valve body 10 is a main component of the stop valve 100, and different mechanical manufacturing methods are available for different pressure levels, in this embodiment, the valve body 10 is produced by a casting process, but in other embodiments, the valve body 10 may be produced by forging or other processes.
Specifically, the valve body 10 is made of metal, is suitable for medium-low pressure and normal temperature working conditions in the industries of water treatment, light industry, petroleum, chemical industry and the like, and has good sealing performance.
Preferably, in the present embodiment, the valve body 10 is integrally formed with the first opening 11 and the second opening 12; of course, in other embodiments, the connection may be made by welding, and the like, and is not limited herein.
As shown in fig. 1, the first axis 111 and the second axis 121 form an included angle α, and the included angle α satisfies the relation: 1011 ≦ α ≦ 1111; that is, the second axis 121 is disposed obliquely with respect to the first axis 111; this allows the height of the valve body 10 to be reduced compared to a shut-off valve 100 in which the first axis 111 is at right angles to the second axis 121; in addition, when the fluid flows into the valve chamber 11 from the second opening 12, the flow path turns relatively gently, so that the pressure loss can be effectively reduced, if the included angle α is larger than 111 °, the distance between the second opening 12 and the valve body 10 is too small, the processing difficulty is increased, and meanwhile, the height of the joint of the second opening 12 and the valve chamber 11 is correspondingly increased, so that the overall height of the valve body 10 is increased, and the material cost is correspondingly increased. If the angle α is less than 101 °, the improvement effect on the fluid flow path is reduced.
Further, the valve port 131 has an inner diameter d3The second opening 12 has an inner diameter d4，d3And d4The following relation is satisfied: d3≦d4(ii) a Therefore, the flow capacity of the fluid flow channel can be further improved, and as the inner diameter of the valve port 131 is smaller than that of the second opening 12, the main throttling point of the valve cavity 13 is transferred to the valve port 131, and when fluid flows in from the second opening 12 until the fluid reaches the valve port 131, the overall flow is smoother, and no obvious throttling is generated.
Further, the stop valve 100 further includes a first connection pipe 112 and a second connection pipe 122, the first connection pipe 112 is fixedly connected to the first opening 11, and the second connection pipe 122 is fixedly connected to the second opening 12, so that the first connection pipe 112 and the second connection pipe 122 are respectively communicated with the valve chamber 13, and are used for fluid to flow in and out of the valve chamber 13.
Preferably, in the present embodiment, the first connecting pipe 112 and the second connecting pipe 122 are welded and fixed to the valve body 10 by brazing; of course, in other embodiments, other fixing manners may be adopted, and are not limited herein.
Further, the valve body 10 is provided with a first mounting hole 132 communicated with the valve cavity 13, one end of the valve core 20 extends into the first mounting hole 132 and is connected with the valve body 10 in a sliding manner, the end face of the other end of the valve core 20 is provided with a first groove 21 with an opening, and the first groove 21 is arranged to reduce the mass of the valve core 20, so that the impact efficiency of the valve core 20 is improved.
Preferably, in the present embodiment, the valve core 20 is made of a rectangular material of brass or aluminum by cutting; of course, in other embodiments, the valve core 20 may be made of other materials, and is not limited herein.
Further, a connecting hole 22 is formed in the valve core 20, one end of the connecting hole 22 extends into the first mounting hole 132 and is concentric and coaxial with the valve core 20, the connecting hole 22 is an internal threaded hole and is used for being matched and connected with a valve rod (not shown), the valve rod drives the valve core 20 to vertically move along the central line of the valve body 10, when the stop valve 100 works, the valve rod is screwed into the connecting hole 22, the valve rod is rotated clockwise, the valve rod and the valve body 10 are closed, and the circulation of internal media is cut off; the valve rod is rotated anticlockwise, the valve rod and the valve body 10 are opened, circulation of the internal medium is opened, and therefore the internal medium is convenient to control.
Further, a second groove 23 is further formed in the outer circumferential surface of the valve core 20, and a sealing ring is placed in the second groove 23, so that the valve core 20 always keeps good sealing performance with the cavity wall of the valve cavity 13 in the movement process. Meanwhile, thread pairs (not shown) which are matched with each other are further arranged on the valve core 20 and the cavity wall of the valve cavity 13, so that the valve core 20 moves in the valve cavity 13 along the axial direction of the valve body 10, torque in the valve opening direction can be applied to the valve core 20, and the valve core 20 is displaced along the axial direction of the valve body 10 under the action of the thread pairs.
Further, the shut-off valve 100 further comprises a valve core 142, and the valve core 142 is mounted in the filling end 14 and is used for filling the valve cavity 13 with refrigerant, so that when the refrigerant needs to be filled, the refrigerant can be filled into the refrigeration system of the split air conditioner through the valve core 142 and the valve nozzle.
In this embodiment, the filling end 14 has a third axis 141 perpendicular to the second axis 121 of the valve chamber 11; of course, in other embodiments, the third axis 141 may be disposed at the same or a similar acute included angle as between the first axis 111 and the second axis 121.
Further, the stop valve 100 further includes a bonnet 30, the bonnet 30 is located at an end of the valve body 10 away from the first opening 11 and covers the first mounting hole 132, and the bonnet 30 plays a role of dust-proof and water-proof for the stop valve 100.
As shown in fig. 2, a pair of mounting portions 40 are further mounted on the outer side surface of the valve body 10, the mounting portions 40 are a pair of flat flanges having a certain thickness and extending in a direction away from the outer circumferential surface of the valve body 10, and second mounting holes 41 are respectively provided thereon for mounting the stop valve 100 in an air conditioning system.
The utility model also provides an air conditioning system (not shown), including stop valve 100.
The air conditioning system also has the advantages of the shut-off valve 100 described above.
In dimensioning the shut-off valve 100, the distance d from the first intersection 1211 to the second opening 12 is set1Distance d from second intersection point 1212 to second opening 122Satisfy d1<d2The flow passage turns relatively gently, so that the pressure loss can be effectively reduced, and the stop valve 100 can be applied to air conditioning systems with larger match.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are 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 stop valve comprises a valve body (10) and a valve core (20), wherein the valve body (10) is provided with a first opening (11), a second opening (12) and a valve cavity (13), the valve body (10) is also provided with a filling end (14), the first opening (11) is provided with a first axis (111), the second opening (12) is provided with a second axis (121), the filling end (14) is provided with a third axis (141), the valve cavity (13) is internally provided with a valve port (131), and the valve core (20) is slidably arranged in the valve cavity (13) and used for opening/closing the valve port (131);
characterized in that said second axis (121) intersects said first axis (111) at a first intersection point (1211), said third axis (141) intersects said first axis (111) at a second intersection point (1212), said first intersection point (1211) being at a distance d along said first axis (111) from said first opening (11)1Said second intersection point (1212) being at a distance d from said first opening (11) along said first axis (111)2,d1And d2And satisfies the following relation:
d1<d2。
2. a shut-off valve according to claim 1, characterized in that the valve port (131) has an inner diameter d3The second opening (12) has an inner diameter d4，d3And d4The following relation is satisfied:
d3≦d4。
3. a shut-off valve according to claim 2, characterized in that it further comprises a first connection pipe (112) and a second connection pipe (122), said first connection pipe (112) being fixedly connected with said first opening (11) and said second connection pipe (122) being fixedly connected with said second opening (12).
4. The stop valve according to claim 1, characterized in that the valve body (10) is further provided with a first mounting hole (132) communicated with the valve cavity (13), one end of the valve core (20) extends into the first mounting hole (132) and is connected with the valve body (10) in a sliding way, and the end surface of the other end of the valve core (20) is provided with a first groove (21) with an opening.
5. The stop valve according to claim 4, characterized in that a connecting hole (22) is formed in the valve core (20), one end of the connecting hole (22) extends into the first mounting hole (132) and is concentric and coaxial with the valve core (20), the connecting hole (22) is an internal threaded hole and is used for being matched and connected with a valve rod, and the valve rod drives the valve core (20) to vertically move along the central line of the valve body (10).
6. The stop valve according to claim 1, characterized in that a second groove (23) is further provided on the outer circumferential surface of the spool (20), and a sealing ring is placed in the second groove (23).
7. A shut-off valve according to claim 1, characterized in that also cooperating thread pairs are provided on the spool (20) and the wall of the valve chamber (13) such that the spool (20) moves in the valve chamber (13) in the axial direction of the valve body (10).
8. The shut-off valve of claim 1, further comprising a valve core (142), said valve core (142) being mounted in said filling end (14) for filling said valve chamber (13) with a refrigerant.
9. A stop valve according to claim 4, further comprising a bonnet (30), the bonnet (30) being located at an end of the valve body (10) remote from the first opening (11) and covering the first mounting hole (132).
10. An air conditioning system comprising a shut-off valve as claimed in any one of claims 1 to 9.
CN202023018143.5U 2020-12-15 2020-12-15 Stop valve and air conditioning system with same Active CN214305292U (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN202023018143.5U CN214305292U (en) 2020-12-15 2020-12-15 Stop valve and air conditioning system with same
PCT/CN2021/127460 WO2022127400A1 (en) 2020-12-15 2021-10-29 Stop valve, and air conditioning system having same
JP2023509400A JP2023541113A (en) 2020-12-15 2021-10-29 Stop valves and air conditioning systems with them
KR1020237010591A KR20230058143A (en) 2020-12-15 2021-10-29 Stop valve and air conditioning system having the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023018143.5U CN214305292U (en) 2020-12-15 2020-12-15 Stop valve and air conditioning system with same

Publications (1)

Publication Number Publication Date
CN214305292U true CN214305292U (en) 2021-09-28

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CN202023018143.5U Active CN214305292U (en) 2020-12-15 2020-12-15 Stop valve and air conditioning system with same

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JP (1) JP2023541113A (en)
KR (1) KR20230058143A (en)
CN (1) CN214305292U (en)
WO (1) WO2022127400A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022127400A1 (en) * 2020-12-15 2022-06-23 浙江盾安人工环境股份有限公司 Stop valve, and air conditioning system having same
WO2023173905A1 (en) * 2022-03-15 2023-09-21 浙江盾安人工环境股份有限公司 Stop valve and refrigeration system thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2658494Y (en) * 2003-10-17 2004-11-24 孙志坚 Stop valve for air conditioner
FR2913084B1 (en) * 2007-02-28 2012-04-27 Ca Mat El THE STOP VALVE.
CN201487237U (en) * 2008-11-12 2010-05-26 姚阜宁 Pilot operated stop valve
CN202646719U (en) * 2012-05-25 2013-01-02 罗泳杨 Stop valve for refrigeration
CN104110510B (en) * 2013-04-22 2016-12-28 邯郸美的制冷设备有限公司 For the stop valve of air-conditioner and the air-conditioner with it
CN110094518A (en) * 2018-01-29 2019-08-06 浙江三花智能控制股份有限公司 Shut-off valve
CN210715976U (en) * 2019-06-19 2020-06-09 浙江三花智能控制股份有限公司 Valve device
CN214305292U (en) * 2020-12-15 2021-09-28 浙江盾安人工环境股份有限公司 Stop valve and air conditioning system with same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022127400A1 (en) * 2020-12-15 2022-06-23 浙江盾安人工环境股份有限公司 Stop valve, and air conditioning system having same
WO2023173905A1 (en) * 2022-03-15 2023-09-21 浙江盾安人工环境股份有限公司 Stop valve and refrigeration system thereof

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JP2023541113A (en) 2023-09-28
WO2022127400A1 (en) 2022-06-23
KR20230058143A (en) 2023-05-02

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