CN212899792U - Filling valve and air conditioning system with same - Google Patents
Filling valve and air conditioning system with same Download PDFInfo
- Publication number
- CN212899792U CN212899792U CN202020774576.4U CN202020774576U CN212899792U CN 212899792 U CN212899792 U CN 212899792U CN 202020774576 U CN202020774576 U CN 202020774576U CN 212899792 U CN212899792 U CN 212899792U
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- valve
- seat
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- cavity
- inflation
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 59
- 238000009434 installation Methods 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims 1
- 239000003507 refrigerant Substances 0.000 description 7
- 229910001369 Brass Inorganic materials 0.000 description 3
- 239000010951 brass Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005429 filling process Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
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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
- F16K1/32—Details
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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
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
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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
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
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- 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
- F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
- F25B2345/006—Details for charging or discharging refrigerants; Service stations therefor characterised by charging or discharging valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
- Lift Valve (AREA)
Abstract
The utility model relates to a control valve technical field especially relates to a fill valve and have its air conditioning system. A filling valve comprises a valve seat, a valve core assembly and an inflation connector, wherein the valve seat is provided with a first valve cavity, and one end of the valve core seat extends into the first valve cavity and is in sealing connection with the valve seat; the valve core seat is provided with a second valve cavity and a valve port communicated with the second valve cavity, one end of the valve core assembly is positioned in the second valve cavity and can move along the axis of the second valve cavity, and the other end of the valve core assembly is accommodated in the first valve cavity and opens/closes the valve port along with the movement of the valve core assembly; the inflation connector is arranged at one end, far away from the valve seat, of the valve core seat and is arranged into an integrated structure with the valve core seat, an inflation hole is formed in the inflation connector, and the inflation hole penetrates through the inflation connector along the axis direction of the second valve cavity and is communicated with the second valve cavity to form an inflation channel. The utility model also provides an air conditioning system. The utility model has the advantages of, it is efficient to fill notes.
Description
Technical Field
The utility model relates to a control valve technical field especially relates to a fill valve and have its air conditioning system.
Background
The charging valve is mainly applied to air-conditioning, freezing and refrigerating systems and used for charging refrigerant; or as a service valve for vacuum pumping during maintenance. The existing filling valve comprises a valve seat, a valve core seat and an inflating seat, wherein the inflating seat is installed and inserted on the valve seat and used for being connected with external inflating equipment, the valve core seat is located in the inflating seat, and a cavity and a valve core are arranged on the valve core seat. It can be understood that, the valve core seat is arranged in the air charging seat, so that the air charging drift diameter is smaller, the refrigerant charging speed is slow, and the charging efficiency and the charging speed are low for large-specification multi-split air conditioners and commercial air conditioners.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a fill notes valve and air conditioning system who has it that notes speed is fast and simple structure in filling.
The utility model provides a filling valve, which comprises a valve seat, a valve core assembly and an inflation joint, wherein the valve seat is provided with a first valve cavity, and one end of the valve core seat extends into the first valve cavity and is connected with the valve seat in a sealing way;
the valve core seat is provided with a second valve cavity and a valve port communicated with the second valve cavity, one end of the valve core assembly is positioned in the second valve cavity and can move along the axis of the second valve cavity, and the other end of the valve core assembly is accommodated in the first valve cavity and opens/closes the valve port along with the movement of the valve core assembly;
the inflation connector is arranged at one end, far away from the valve seat, of the valve core seat and is of an integrated structure with the valve core seat, an inflation hole is formed in the inflation connector, and the inflation hole penetrates through the inflation connector along the axis direction of the second valve cavity and is communicated with the second valve cavity to form a filling channel.
In the application, the inflation joint and the valve core seat are arranged into an integrated structure, so that when the valve core seat is in a certain size, the inflation joint and the valve core seat can effectively increase the inner diameters of the inflation hole and the second valve cavity, namely effectively increase the size of the inflation channel; furthermore, the filling speed of the medium is greatly improved, and the filling efficiency is higher; just the utility model discloses a structural component is few, and processing is convenient and simple structure.
In one embodiment, the outer side wall of the valve core seat is provided with a first external thread, the inner wall of the first valve cavity is provided with a first internal thread, and the valve core seat extends into the first valve cavity and is in threaded connection with the valve seat through the first external thread and the first internal thread.
Through threaded connection, not only easy operation, and the connection between the two is more convenient.
In one embodiment, the seal between the valve cartridge seat and the valve seat is a soft seal and/or a hard seal.
In one embodiment, a first sealing ring is sleeved on the outer side wall of the valve core seat and abuts against the inner wall of the first valve cavity, so that the valve core seat and the valve seat are in soft sealing connection;
and/or the outer side wall of the valve core seat and the inner wall of the first valve cavity are contacted and abutted with each other, so that the valve core seat and the valve seat are in hard sealing connection.
In one embodiment, the valve core assembly includes a valve core rod and a second sealing ring, one end of the valve core rod is located in the second valve cavity and can move along an axis of the second valve cavity, the other end of the valve core rod is located in the first valve cavity, the second sealing ring is contained in the first valve cavity and sleeved on the valve core rod, and the second sealing ring opens/closes the valve port along with the movement of the valve core rod.
In one embodiment, the valve core assembly further comprises an elastic member, and the elastic member is sleeved at one end of the valve core rod away from the second sealing ring and used for providing acting force for resetting the valve core rod and sealing the valve port.
In one embodiment, a fixed block is installed on the second valve cavity, a through hole is formed in the fixed block, one end, far away from the second sealing ring, of the valve core rod penetrates through the through hole, and the outer wall of the valve core rod and the inner wall of the through hole are arranged at intervals;
and one end of the valve core rod, which is far away from the second sealing ring, is provided with an installation part, one end of the elastic part is abutted against the installation part, and the other end of the elastic part is abutted against the fixed block.
In one embodiment, along the radial direction of the valve core seat, a positioning portion is convexly arranged at one end of the valve core seat close to the inflation connector, and after one end of the valve core seat extends into the first valve cavity, the positioning portion abuts against the valve seat.
In one embodiment, the fill valve further includes a cover that is removable and coupled to the inflation fitting and is capable of sealing the inflation aperture.
In one embodiment, the outer wall of the inflation fitting has a second external thread, and the cap body has a second internal thread therein, the second external thread being in threaded and hard-sealing connection with the second internal thread.
In one embodiment, the end face of the inflation connector close to one end of the cover body is obliquely arranged, and the cover body is internally provided with a matching part which abuts against the end face of one end of the cover body when the cover body covers the inflation connector.
The utility model discloses still provide following technical scheme:
an air conditioning system comprises the filling valve.
Compared with the prior art, the utility model has the advantages that the inflation joint and the valve core seat are arranged into an integrated structure, so that when the valve core seat is in a certain size, the internal diameters of the inflation hole and the second valve cavity can be effectively increased, namely, the size of the inflation channel is effectively increased; furthermore, the filling speed of the medium is greatly improved, and the filling efficiency is higher; just the utility model discloses a structural component is few, and processing is convenient and simple structure.
Drawings
Fig. 1 is a schematic cross-sectional view of a first embodiment of a filling valve according to the present invention.
Fig. 2 is a schematic sectional view of the valve cartridge seat of fig. 1.
Fig. 3 is a schematic structural view of a fixing block.
Fig. 4 is a schematic cross-sectional view of a second embodiment of a filling valve according to the present invention.
Fig. 5 is a schematic cross-sectional view of a third embodiment of a filling valve according to the present invention.
Fig. 6 is a schematic cross-sectional view of a fourth embodiment of a fill valve provided by the present invention.
100. A fill valve; 101. a fill channel; 102. a pipeline; 10. a valve seat; 11. a first valve chamber; 12. a first internal thread; 13. connecting holes; 20. a valve core seat; 21. a second valve cavity; 211. a fixed block; 211a, a through hole; 22. a valve port; 23. a first external thread; 24. a first seal ring; 25. a positioning part; 30. a valve core assembly; 31. a valve core rod; 311. an installation part; 32. a second seal ring; 33. an elastic member; 40. an inflation joint; 41. an inflation hole; 42. a second external thread; 50. a cover body; 51. a second internal thread; 52. a mating portion.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
Example one
The utility model provides a fill and annotate valve 100, this fill valve 100 mainly is applied to air conditioning system for the outside notes equipment of annotating of cooperation, in order to realize annotating the refrigerant for air conditioning system fills. Of course, in other embodiments, the fill valve 100 may be used in maintenance applications.
Specifically, as shown in fig. 1, the filling valve 100 includes a valve seat 10, a valve core seat 20, a valve core assembly 30 and a gas charging connector 40, the valve seat 10 has a first valve cavity 11, and one end of the valve core seat 20 extends into the first valve cavity 11 and is connected with the valve seat 10 in a sealing manner; the valve core seat 20 is provided with a second valve cavity 21 and a valve port 22 communicated with the second valve cavity 21, one end of the valve core assembly 30 is positioned in the second valve cavity 21 and can move along the axis of the second valve cavity 21, and the other end of the valve core assembly 30 is accommodated in the first valve cavity 11 and opens/closes the valve port 22 along with the movement of the valve core assembly 30; the air charging connector 40 is disposed at one end of the valve core seat 20 away from the valve seat 10 and is integrated with the valve core seat 20, an air charging hole 41 is formed in the air charging connector 40, and the air charging hole 41 penetrates through the air charging connector 40 along the axial direction of the second valve cavity 21 and is communicated with the second valve cavity 21 to form a charging channel 101.
It will be appreciated that the inflation fitting 40 is provided at one end of the valve cartridge seat 20 and is provided in a unitary structure with the valve cartridge seat 20, so that the internal diameters of the inflation bore 41 and the second valve chamber 21 can be maximized while satisfying the structural strength and structural size of the valve cartridge seat 20, i.e., effectively increasing the size of the inflation passage 101; thereby greatly improving the filling speed of the medium and having higher filling efficiency; just the utility model discloses a structural component is few, and processing is convenient, simple structure and structure are also compacter.
With continued reference to fig. 1, the valve seat 10 is made of brass. It is understood that in other embodiments, the valve seat 10 may be made of other materials, and is not limited herein. One end of the valve seat 10 is provided with an opening (not labeled) communicated with the first valve cavity 11, and one end of the valve core seat 20 extends into the first valve cavity 11 from the opening and is connected with the valve seat 10 in a sealing way; the other end of the valve seat 10 is opened with a connecting hole 13, the connecting hole 13 is used for connecting a pipeline 102 of an air conditioning system, and the filling of the air conditioning system with refrigerant is realized through the pipeline 102.
As shown in fig. 1 and 2, the valve core seat 20 is also made of brass. It is understood that in other embodiments, the valve core seat 20 may be made of other materials, and is not limited herein.
Preferably, the outer side wall of the valve core seat 20 has a first external thread 23, the inner wall of the first valve chamber 11 has a first internal thread 12, and the valve core seat 20 extends into the first valve chamber 11 and is matched with the first internal thread 12 through the first external thread 23 to be in threaded connection with the valve seat 10. It can be understood that through the threaded connection, the operation is simple, and the connection between the two is more convenient.
In the present embodiment, the first external thread 23 is provided at one end of the valve core seat 20 close to the valve port 22.
Further, the seal between the valve cartridge seat 20 and the valve seat 10 is a soft seal and/or a hard seal.
In an embodiment, a first sealing ring 24 is sleeved on an outer side wall of one end of the valve core seat 20 close to the valve port 22, and when one end of the valve core seat 20 extends into the first valve chamber 11 from the opening, the first sealing ring 24 abuts against an inner wall of the first valve chamber 11, so that the valve core seat 20 and the valve seat 10 are in soft sealing connection.
In another embodiment, when one end of the valve core seat 20 extends into the first valve chamber 11 from the opening, the outer side wall of the valve core seat 20 and the inner wall of the first valve chamber 11 contact and abut against each other, so that the valve core seat 20 and the valve seat 10 are in hard sealing connection.
It should be understood that the above described forms of soft and hard seals may be used alone or in combination. In the present embodiment, the sealing between the valve core seat 20 and the valve seat 10 is performed by a combination of soft sealing and hard sealing, so as to improve the sealing effect between the valve core seat 20 and the valve seat 10.
Preferably, the first sealing ring 24 is located at the valve core seat 20 and is farther away from the valve port 22 than the first external thread 23 is located at the valve core seat 20, that is, the first sealing ring 24 is located above the first external thread 23 along the axial direction of the valve core seat 20.
As shown in fig. 2, a positioning portion 25 is convexly disposed at one end of the valve core seat 20 close to the inflation joint 40 along the radial direction of the valve core seat 20, and after one end of the valve core seat 20 extends into the first valve cavity 11, the positioning portion 25 can abut against the valve seat 10, so as to achieve positioning/limiting of the valve core seat 20.
Preferably, the positioning portion 25 and the valve core seat 20 are integrally formed.
Further, the joint between the positioning portion 25 and the outside of the valve core seat 20 is an inclined surface, and when one end of the valve core seat 20 extends into the first valve chamber 11 from the opening, the end of the valve seat 10 having the opening abuts against the inclined surface, so that a hard seal between the two is realized. It can be understood that the inclined surface mode is adopted, so that the contact between the two becomes line contact, and the sealing effect is better.
As shown in fig. 1, the valve core assembly 30 includes a valve core rod 31 and a second sealing ring 32, one end of the valve core rod 31 is located in the second valve chamber 21 and can move along the axis of the second valve chamber 21, the other end is located in the first valve chamber 11, the second sealing ring 32 is contained in the first valve chamber 11 and is sleeved on the valve core rod 31, and the valve opening 22 is opened/closed along with the movement of the valve core rod 31.
The valve core rod 31 is substantially rod-shaped, and a mounting portion 311 is provided at an end of the valve core rod 31 adjacent to the valve port 22. One end of the mounting portion 311 can penetrate into the second valve chamber 21, the other end is located in the first valve chamber 11 (i.e. located outside the second valve chamber 21), and the second sealing ring 32 is sleeved on the mounting portion 311.
Preferably, the mounting portion 311 has a substantially triangular shape, and a mounting groove (not shown) is formed in the mounting portion 311, and a portion of the second seal ring 32 is fitted into the mounting groove, thereby mounting the second seal ring 32.
The mounting portion 311 is provided as an integral structure with the spool rod 31. Of course, in other embodiments, the mounting portion 311 and the valve core rod 31 may be provided separately.
To facilitate the resetting of the valve core rod 31, the valve core assembly 30 further includes an elastic member 33, and the elastic member 33 is disposed at an end of the valve core rod 31 away from the second sealing ring 32 to provide a force for resetting the valve core rod 31 and sealing the valve port 22.
Preferably, the elastic member 33 is a member having elastic restoring force, such as a spring.
Further, with reference to fig. 2 and 3, the second valve cavity 21 is provided with a fixing block 211, the fixing block 211 is provided with a through hole 211a, and one end of the valve core rod 31, which is far away from the second sealing ring 32, penetrates through the through hole 211a, so as to implement installation of the valve core rod 31.
Preferably, as shown in fig. 3, the fixing block 211 is flat, and a flow passage is formed between an outer side wall of the fixing block 211 and an inner wall of the second valve chamber 21, so that when the valve port 22 is opened, the filling passage 101 is formed between the filling hole 41 and the second valve chamber 21, and when the filling passage is formed, the refrigerant passes through the filling hole 41, the flow passage, the second valve chamber 21 and the valve port 22 in sequence, and flows into the duct 102 of the air conditioning system from the connecting hole 13.
Meanwhile, one end of the valve core rod 31, which is far away from the second sealing ring 32, is provided with a mounting portion 311, one end of the elastic element 33 abuts against the mounting portion 311, and the other end of the elastic element 33 abuts against the fixed block 211, so that the elastic element 33 is mounted.
The air charging connector 40 is also made of brass and is integrally formed with the valve core seat 20 by injection molding. The gas charging connector 40 is disposed on a side of the positioning portion 25 away from the valve core seat 20, i.e., the positioning portion 25 is located between the valve core seat 20 and the gas charging connector 40.
As shown in FIG. 1, fill valve 100 further includes a cover 50, cover 50 being removably coupled to inflation fitting 40 and capable of sealing inflation port 41.
The outer wall of the inflation connector 40 is provided with a second external thread 42, the cover 50 is internally provided with a second internal thread 51, and the second external thread 42 is in threaded and sealed connection with the second internal thread 51, so that the detachable connection between the cover 50 and the inflation connector 40 is realized. It will be appreciated that by using a threaded connection, the cover 50 is more easily assembled and disassembled, and the connection is also simple, making filling more convenient.
It should be explained that, in other embodiments, the cover 50 and the inflation connector 40 may be detachably connected by a structure such as a snap, and the like, which will not be described herein again.
Further, the seal between the cover 50 and the inflation connector 40 is a hard seal, i.e., the second external thread 42 is connected with the second internal thread 51 to achieve the seal therebetween. Of course, in other embodiments, a sealing ring may be disposed between the cover 50 and the inflation connector 40 for sealing.
Preferably, the end surface of the inflation connector 40 near one end of the cover 50 is disposed obliquely, and the cover 50 has a fitting portion 52 inside, and when the cover 50 is covered on the inflation connector 40, the fitting portion 52 abuts against the end surface of one end of the cover 50, so as to improve the sealing effect between the cover 50 and the inflation connector 40.
The following describes the use of the present fill valve 100
When it is necessary to fill the refrigerant, first, the lid body 50 is unscrewed; secondly, connecting an external inflation device with the inflation connector 40, and under the action of the inflation device, pushing the valve stem rod 31 to open the valve port 22, so that the connecting hole 13 is communicated with the valve port 22, the second valve cavity 21 and the inflation hole 41; finally, the external charging device is operated to charge the refrigerant. When the filling is completed, the external inflation device is removed, at this time, the valve connecting rod 31 automatically resets under the action of the elastic piece 33, the valve port 22 is in a closed state, the cover body 50 is covered, and the whole filling process is finished.
The utility model arranges the inflation joint 40 and the valve core seat 20 into an integral structure, so that when the valve core seat 20 has a certain size, the inflation joint can effectively increase the inner diameters of the inflation hole 41 and the second valve cavity 21, namely, the size of the filling channel 101 is effectively increased; furthermore, the filling speed of the medium is greatly improved, and the filling efficiency is higher; just the utility model discloses a structural component is few, and processing is convenient and simple structure.
The present invention also provides an air conditioning system (not shown), including the above-mentioned fill valve 100. Meanwhile, the air conditioning system also has the advantages, and the description is omitted.
Example two
As shown in fig. 4, the structures of the second embodiment and the first embodiment are substantially the same, and the same parts are not repeated herein; the difference lies in the structure of the valve core rod 31 and the manner in which the second seal ring 32 is mounted.
Specifically, in the present embodiment, the spool rod 31 and the mounting portion 311 are provided in a split type; meanwhile, the end of the valve core rod 31 to which the mounting portion 311 is connected is located in the first valve chamber 11 and is inserted into the mounting portion 311.
Further, the mounting portion 311 is recessed toward a side surface of the valve core rod 31 to form a mounting groove (labeled in the figure), and the second sealing ring 32 is sleeved on the valve core rod 31 and fixed in the mounting groove.
EXAMPLE III
As shown in fig. 5, the third embodiment is substantially the same as the first embodiment in structure, and the same parts are not repeated herein; the difference is that a first external thread 23 and a first sealing ring 24 are arranged on the valve core seat 20.
Specifically, in the present embodiment, the first male screw 23 is provided near the positioning portion 25, and at the same time, the first female screw 12 that mates with the first male screw 23 is provided near the opening of the valve seat 10, so that the first female screw 12 can mate with the first male screw 23. The first sealing ring 24 is disposed near the valve port 22 and is sleeved on the outer side wall of the valve core seat 20. In other words, the first sealing ring 24 is located at the valve core seat 20 and is closer to the valve port 22 than the first external thread 23 is located at the valve core seat 20, i.e., the first sealing ring 24 is located below the first external thread 23 along the axial direction of the valve core seat 20.
Example four
As shown in fig. 6, the structures of the fourth embodiment and the second embodiment are substantially the same, and the same parts are not repeated herein; the difference is that a first external thread 23 and a first sealing ring 24 are arranged on the valve core seat 20.
Specifically, in the present embodiment, the first male screw 23 is provided near the positioning portion 25, and at the same time, the first female screw 12 that mates with the first male screw 23 is provided near the opening of the valve seat 10, so that the first female screw 12 can mate with the first male screw 23. The first sealing ring 24 is disposed near the valve port 22 and is sleeved on the outer side wall of the valve core seat 20. In other words, the first sealing ring 24 is located at the valve core seat 20 and is closer to the valve port 22 than the first external thread 23 is located at the valve core seat 20, i.e., the first sealing ring 24 is located below the first external thread 23 along the axial direction of the valve core seat 20.
The features of the above embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above embodiments are not described, but should be construed as being within the scope of the present specification as long as there is no contradiction between the combinations of the features.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.
Claims (10)
1. The filling valve is characterized by comprising a valve seat, a valve core assembly and an inflation connector, wherein the valve seat is provided with a first valve cavity, and one end of the valve core seat extends into the first valve cavity and is in sealing connection with the valve seat;
the valve core seat is provided with a second valve cavity and a valve port communicated with the second valve cavity, one end of the valve core assembly is positioned in the second valve cavity and can move along the axis of the second valve cavity, and the other end of the valve core assembly is accommodated in the first valve cavity and opens/closes the valve port along with the movement of the valve core assembly;
the inflation connector is arranged at one end, far away from the valve seat, of the valve core seat and is of an integrated structure with the valve core seat, an inflation hole is formed in the inflation connector, and the inflation hole penetrates through the inflation connector along the axis direction of the second valve cavity and is communicated with the second valve cavity to form a filling channel.
2. The filling valve of claim 1, wherein the outer side wall of the valve core seat has a first external thread, the inner wall of the first valve chamber has a first internal thread, and the valve core seat extends into the first valve chamber and is in threaded connection with the valve seat through the first external thread and the first internal thread.
3. The filling valve of claim 1, wherein the seal between the valve cartridge seat and the valve seat is a soft seal and/or a hard seal.
4. The filling valve according to claim 3, wherein a first sealing ring is sleeved on an outer side wall of the valve core seat, and the first sealing ring abuts against an inner wall of the first valve cavity so as to enable the valve core seat and the valve seat to be in soft sealing connection;
and/or the outer side wall of the valve core seat and the inner wall of the first valve cavity are contacted and abutted with each other, so that the valve core seat and the valve seat are in hard sealing connection.
5. The filling valve of claim 1, wherein the valve core assembly includes a valve core rod and a second sealing ring, one end of the valve core rod is located in the second valve cavity and can move along an axis of the second valve cavity, the other end of the valve core rod is located in the first valve cavity, the second sealing ring is contained in the first valve cavity and is sleeved on the valve core rod, and the valve port is opened/closed along with the movement of the valve core rod.
6. The filling valve of claim 5, wherein the valve core assembly further comprises an elastic member, the elastic member is sleeved on an end of the valve core rod away from the second sealing ring to provide a force for resetting the valve core rod and sealing the valve port.
7. The filling valve according to claim 6, wherein a fixing block is installed in the second valve cavity, a through hole is formed in the fixing block, one end, far away from the second sealing ring, of the valve core rod penetrates through the through hole, and the outer wall of the valve core rod and the inner wall of the through hole are arranged at intervals;
and one end of the valve core rod, which is far away from the second sealing ring, is provided with an installation part, one end of the elastic part is abutted against the installation part, and the other end of the elastic part is abutted against the fixed block.
8. The filling valve according to claim 2, wherein a positioning portion is protruded from an end of the valve core seat close to the inflation joint along a radial direction of the valve core seat, and the positioning portion abuts against the valve seat after the end of the valve core seat extends into the first valve cavity.
9. The fill valve of claim 1, further comprising a cover that is removable and coupled to the inflation fitting and capable of sealing the inflation aperture.
10. An air conditioning system comprising a filler valve as claimed in any one of claims 1 to 9.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020774576.4U CN212899792U (en) | 2020-05-12 | 2020-05-12 | Filling valve and air conditioning system with same |
| KR1020227041957A KR102732431B1 (en) | 2020-05-12 | 2021-04-25 | Filling valve and air conditioning system equipped therewith |
| JP2022564768A JP7538882B2 (en) | 2020-05-12 | 2021-04-25 | Charge valve and air conditioning system having same |
| PCT/CN2021/089641 WO2021227845A1 (en) | 2020-05-12 | 2021-04-25 | Charging valve and air conditioner system having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020774576.4U CN212899792U (en) | 2020-05-12 | 2020-05-12 | Filling valve and air conditioning system with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212899792U true CN212899792U (en) | 2021-04-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202020774576.4U Active CN212899792U (en) | 2020-05-12 | 2020-05-12 | Filling valve and air conditioning system with same |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP7538882B2 (en) |
| KR (1) | KR102732431B1 (en) |
| CN (1) | CN212899792U (en) |
| WO (1) | WO2021227845A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021227845A1 (en) * | 2020-05-12 | 2021-11-18 | 浙江盾安人工环境股份有限公司 | Charging valve and air conditioner system having same |
| CN115682486A (en) * | 2021-07-26 | 2023-02-03 | 浙江三花智能控制股份有限公司 | Filling valve and filling system |
| CN116265789A (en) * | 2021-12-18 | 2023-06-20 | 浙江盾安禾田金属有限公司 | Valve assembly, stop valve and refrigerating system thereof |
| WO2023109503A1 (en) * | 2021-12-18 | 2023-06-22 | 浙江盾安人工环境股份有限公司 | Valve assembly, stop valve and refrigeration system having same |
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| CN114018657B (en) * | 2021-11-19 | 2024-07-09 | 广东电网有限责任公司广州供电局 | Get gas joint |
| CN114264431B (en) * | 2021-12-31 | 2024-07-26 | 中国电子科技集团公司第四十八研究所 | Pressure reference device for leak detection, assembly method and pressure sensor |
| CN114439801B (en) * | 2022-01-24 | 2024-05-14 | 北京天玛智控科技股份有限公司 | Valve core assembly with cavitation prevention function |
| CN114754179A (en) * | 2022-04-06 | 2022-07-15 | 中国科学院空天信息创新研究院 | Inflation valve |
| CN114688773B (en) * | 2022-05-05 | 2023-10-03 | 安徽光智科技有限公司 | Refrigerator inflation tooling and inflation method |
| CN115106258B (en) * | 2022-07-06 | 2025-10-21 | 上海兰盛新材料科技有限公司 | Fast filling mechanism |
| CN115163887B (en) * | 2022-07-19 | 2026-04-10 | 北京天玛智控科技股份有限公司 | An inflatable safety valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6050295A (en) * | 1998-06-04 | 2000-04-18 | Fastest, Inc. | High flow valved fitting |
| JP2001248740A (en) * | 2000-03-07 | 2001-09-14 | Pacific Ind Co Ltd | Valve core for charge valve |
| US20020066487A1 (en) * | 2000-10-16 | 2002-06-06 | Fastest, Inc. | Charging and evacuation valve |
| US6659426B2 (en) * | 2001-12-26 | 2003-12-09 | Visteon Global Technologies, Inc. | Charge valve in a high pressure air conditioning system |
| FR2896293B1 (en) * | 2006-01-17 | 2010-08-13 | Schrader Sas | MECHANISM FOR OPENING OR CLOSING A VALVE HAVING TWO CLOSURE POSITIONS |
| KR101295885B1 (en) * | 2012-04-18 | 2013-08-12 | 주식회사 와이엔브이 | Check valve attachment type safety valve for maintenance |
| US9969242B2 (en) * | 2016-06-23 | 2018-05-15 | Hanon Systems | Contaminant resistant charge valve |
| CN108612896B (en) * | 2018-07-17 | 2023-12-08 | 珠海格力电器股份有限公司 | Filling valve, air conditioning system and electric vehicle |
| CN208719480U (en) * | 2018-09-05 | 2019-04-09 | 高密同创气门芯有限公司 | A kind of air conditioning for automobiles charging valve valve inside |
| CN109931423A (en) * | 2019-04-19 | 2019-06-25 | 陆子万 | Carbon dioxide charging valve |
| CN210440630U (en) * | 2019-06-28 | 2020-05-01 | 宁波全盛世纪气动科技有限公司 | an inflation valve |
| CN212899792U (en) * | 2020-05-12 | 2021-04-06 | 浙江盾安禾田金属有限公司 | Filling valve and air conditioning system with same |
-
2020
- 2020-05-12 CN CN202020774576.4U patent/CN212899792U/en active Active
-
2021
- 2021-04-25 WO PCT/CN2021/089641 patent/WO2021227845A1/en not_active Ceased
- 2021-04-25 JP JP2022564768A patent/JP7538882B2/en active Active
- 2021-04-25 KR KR1020227041957A patent/KR102732431B1/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021227845A1 (en) * | 2020-05-12 | 2021-11-18 | 浙江盾安人工环境股份有限公司 | Charging valve and air conditioner system having same |
| CN115682486A (en) * | 2021-07-26 | 2023-02-03 | 浙江三花智能控制股份有限公司 | Filling valve and filling system |
| CN116265789A (en) * | 2021-12-18 | 2023-06-20 | 浙江盾安禾田金属有限公司 | Valve assembly, stop valve and refrigerating system thereof |
| WO2023109503A1 (en) * | 2021-12-18 | 2023-06-22 | 浙江盾安人工环境股份有限公司 | Valve assembly, stop valve and refrigeration system having same |
| EP4450854A4 (en) * | 2021-12-18 | 2025-03-26 | Zhejiang Dunan Artificial Environment Co., Ltd. | VALVE ASSEMBLY, STOP VALVE AND REFRIGERATION SYSTEM HAVING THE SAME |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2023525970A (en) | 2023-06-20 |
| KR102732431B1 (en) | 2024-11-25 |
| WO2021227845A1 (en) | 2021-11-18 |
| JP7538882B2 (en) | 2024-08-22 |
| KR20230003201A (en) | 2023-01-05 |
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