[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

CN114739060A - Refrigerant filling pipeline connecting device and refrigerant filling equipment comprising same - Google Patents

Refrigerant filling pipeline connecting device and refrigerant filling equipment comprising same Download PDF

Info

Publication number
CN114739060A
CN114739060A CN202210368143.2A CN202210368143A CN114739060A CN 114739060 A CN114739060 A CN 114739060A CN 202210368143 A CN202210368143 A CN 202210368143A CN 114739060 A CN114739060 A CN 114739060A
Authority
CN
China
Prior art keywords
refrigerant
pipe
connecting pipe
perfusion
filling
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.)
Pending
Application number
CN202210368143.2A
Other languages
Chinese (zh)
Inventor
李继波
师文涛
杜竞可
王臣章
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.)
Gree Electric Appliances Inc of Zhuhai
Gree Hangzhou Electric Appliances Co Ltd
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Gree Hangzhou Electric Appliances 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 Gree Electric Appliances Inc of Zhuhai, Gree Hangzhou Electric Appliances Co Ltd filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202210368143.2A priority Critical patent/CN114739060A/en
Publication of CN114739060A publication Critical patent/CN114739060A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B45/00Arrangements for charging or discharging refrigerant
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2345/00Details for charging or discharging refrigerants; Service stations therefor
    • F25B2345/001Charging refrigerant to a cycle

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The application relates to a refrigerant filling pipeline connecting device. The device includes: the refrigerant input hose comprises a sealing copper pipe, a stop valve body and a hose connector, wherein the hose connector is a connector for connecting a refrigerant input hose, and the sealing copper pipe is a pipeline for connecting the refrigerant copper pipe; the stop valve body is arranged between the sealing copper pipe and the hose joint and is communicated with the sealing copper pipe and the hose joint to form a refrigerant flowing area; a first perfusion connecting pipe and a second perfusion connecting pipe are arranged in the refrigerant circulation area, the outer diameter of the first perfusion connecting pipe is equal to the inner diameter of the second perfusion connecting pipe, and the first perfusion connecting pipe is nested inside the second perfusion connecting pipe; the first filling connecting pipe is internally provided with a first sealing ring, and the second filling connecting pipe is internally provided with a second sealing ring. The application provides a scheme can reduce the operation complexity that the refrigerant perfused, promotes production efficiency, guarantees the purity that the refrigerant perfused.

Description

Refrigerant filling pipeline connecting device and refrigerant filling equipment comprising same
Technical Field
The application relates to the technical field of refrigeration equipment, in particular to a refrigerant filling pipeline connecting device and refrigerant filling equipment comprising the same.
Background
In the production process of the air conditioner, the filling of a refrigerant is a key process step. At present, during filling, a refrigerant pipe joint of a refrigerant filling machine is generally connected with a connecting copper pipe of an air conditioner internal unit external unit by adopting a pipe joint with a corresponding caliber. After the steps of vacuumizing, refrigerant filling and the like are carried out, the middle of a branch copper pipe filled with the refrigerant is pressed and welded through an ultrasonic welding machine, and then redundant copper pipes are cut off at a welding port to realize sealing of the air conditioner refrigerant. When carrying out the refrigerant and filling, to the air conditioner of different models in the production process, it fills refrigerant copper pipe external diameter and can produce the difference, needs to change special plug and carries out the adaptation, consequently a machine will often change the type of refrigerant connector when switching the different production models of filling the bore, increases the operation complexity, leads to production efficiency's reduction.
In the prior art, in patent publication No. CN203489559U (refrigerant charging device), it is proposed that the refrigerant charging device includes a charging gun, the charging gun includes a gun body having a gun handle, a quick coupling mounted on the gun body for connecting with a device to be charged with refrigerant, and a trigger for controlling the opening and closing of the quick coupling, the trigger is movable between an open position and a closed position, and the refrigerant charging device further includes a driving device mounted on the gun body for driving the trigger to move back and forth between the open position and the closed position.
The above prior art has the following disadvantages:
the different bores that fill of unable adaptation need often to change the joint, leads to production efficiency to descend, consequently, needs the multiple connecting device who fills the bore of a multiple model of research and development adaptation to promote production efficiency.
Disclosure of Invention
For overcoming the problem that exists among the correlation technique, this application provides a refrigerant filling line connecting device, this refrigerant filling line connecting device can reduce the operation complexity that the refrigerant was filled, promotes production efficiency, guarantees the purity that the refrigerant was filled.
The first aspect of the present application provides a refrigerant filling line connection device, includes:
the device comprises a sealing copper pipe 1, a stop valve body 2 and a hose connector 3, wherein the hose connector 3 is a connector for connecting a refrigerant input hose, and the sealing copper pipe 1 is a pipeline for connecting the refrigerant copper pipe;
the stop valve body 2 is arranged between the sealing copper pipe 1 and the hose connector 3 and is communicated with the sealing copper pipe 1 and the hose connector 3 to form a refrigerant flowing area;
a first perfusion connecting pipe 4 and a second perfusion connecting pipe 5 are arranged in the refrigerant circulation area, the outer diameter of the first perfusion connecting pipe 4 is equal to the inner diameter of the second perfusion connecting pipe 5, and the first perfusion connecting pipe 4 is nested inside the second perfusion connecting pipe 5;
the first filling connection pipe 4 is provided with a first sealing ring 41 therein, and the second filling connection pipe 5 is provided with a second sealing ring 51 therein.
In one embodiment, a third perfusion connecting pipe 6 is also arranged in the refrigerant circulation area;
the outer diameter of the second perfusion connecting pipe 5 is equal to the inner diameter of the third perfusion connecting pipe 6, and the second perfusion connecting pipe 5 is nested inside the third perfusion connecting pipe 6.
In one embodiment, a second sealing ring 51 is provided at the first tube sidewall top end 42 of the first perfusion connection tube 4.
In one embodiment, a third sealing ring 61 is provided in the third perfusion connection tube 6;
third sealing ring 61 is disposed on second tube sidewall top end 52 of second perfusion connection tube 5.
In one embodiment, a first strain relief 43 is provided at the first tube sidewall apex 42;
the first strain tank 43 is used for fastening the refrigerant copper pipe by matching with the first flange when the refrigerant copper pipe is connected to the first perfusion connecting pipe 4.
In one embodiment, a second strain relief 53 is provided at second tube sidewall top end 52;
the second strain tank 53 is used for fastening the refrigerant copper pipe by matching with the second flange when the refrigerant copper pipe is connected to the second perfusion connecting pipe 5.
In one embodiment, hose connector 3 is provided with vacuum tube 31;
the vacuum tube 31 is connected to a vacuum pump to pump out gas in the refrigerant circulation region.
In one embodiment, the shut-off valve body 2 is provided with a switch handle 7;
a ball valve core 71 is arranged at the joint of the switch handle 7 and the cut-off valve body 2.
In one embodiment, the diameters of the first seal ring 41, the second seal ring 51, and the third seal ring 61 increase in order.
The second aspect of the present application provides a refrigerant filling apparatus, including:
the refrigerant filling line connecting device as described in any one of the above.
The technical scheme provided by the application can comprise the following beneficial effects:
the utility model provides a connecting device contains sealed copper pipe, by valve body and hose nipple, sealed copper pipe, by valve body and hose nipple communicate formation refrigerant circulation region in proper order, it fills the connecting pipe to be equipped with first filling connecting pipe and second in this refrigerant circulation region, the external diameter of first filling connecting pipe equals the internal diameter that the connecting pipe was filled to the second, first filling connecting pipe nestification is in the inside that the connecting pipe was filled to the second, make connecting device can be suitable for the refrigerant copper pipe of two kinds of different specifications at least and carry out the refrigerant and fill, the type of the refrigerant connector of needs frequent change has been avoided, reduce the operation complexity that the refrigerant was filled, promote production efficiency, and first filling connecting pipe is inside to be equipped with first sealing ring, the second is filled the inside second sealing ring that is equipped with of connecting pipe, guarantee the purity that the refrigerant was filled.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the application.
Fig. 1 is a schematic cross-sectional view of a refrigerant filling line connection device according to an embodiment of the present disclosure;
fig. 2 is a schematic perspective view of a refrigerant filling line connection device according to an embodiment of the present application.
Detailed Description
Preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Example one
When carrying out the refrigerant and filling, to the air conditioner of different models in the production process, it fills refrigerant copper pipe external diameter and can produce the difference, needs to change special plug and carries out the adaptation, consequently a machine will often change the type of refrigerant connector when switching the different production models of filling the bore, increases the operation complexity, leads to production efficiency's reduction. The different bores that fill of prior art unable adaptation need often to change the joint, leads to production efficiency to descend, consequently, needs the multiple connecting device that fills the bore of a multiple model of research and development adaptation to promote production efficiency.
To above-mentioned problem, this application embodiment provides a refrigerant fills pipeline connecting device, can reduce the operation complexity that the refrigerant filled, promotes production efficiency, guarantees the purity that the refrigerant filled.
The technical solutions of the embodiments of the present application are described in detail below with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of a refrigerant filling line connection device according to the embodiment of the present application includes:
sealing copper pipe 1, stop valve body 2 and hose nipple 3, hose nipple 3 is the joint of connecting refrigerant input hose, and refrigerant input hose means the hose of inputing the liquid refrigerant, and sealing copper pipe 1 is the pipeline that refrigerant copper pipe inserted, and in refrigerant copper pipe means air conditioner internal unit or outer machine, the copper pipe that is used for the heat transfer among the heat exchanger. The stop valve body 2 is disposed between the copper sealing tube 1 and the hose connector 3, and is communicated with the copper sealing tube 1 and the hose connector 3 to form a coolant flowing area, and it can be understood that the stop valve body 2 is used for controlling the flowing or stopping of the liquid coolant.
In the embodiment of the present application, a first perfusion connecting pipe 4 and a second perfusion connecting pipe 5 are disposed in a refrigerant circulation area, an outer diameter of the first perfusion connecting pipe 4 is equal to an inner diameter of the second perfusion connecting pipe 5, the first perfusion connecting pipe 4 is nested inside the second perfusion connecting pipe 5, a first sealing ring 41 is disposed inside the first perfusion connecting pipe 4, and a second sealing ring 51 is disposed inside the second perfusion connecting pipe 5. It can be understood that when the refrigerant copper pipe with the smaller outer diameter is connected to the refrigerant filling pipeline connecting device, the refrigerant copper pipe enters the first filling connecting pipe 4 with the smaller inner diameter, and then penetrates through the first sealing ring 41 to ensure the sealing performance, so that the liquid refrigerant is filled into the refrigerant copper pipe with the smaller outer diameter through the first filling connecting pipe 4 after the filling condition is achieved; when the refrigerant copper pipe with the larger outer diameter is connected to the refrigerant filling pipeline connecting device, the refrigerant copper pipe with the larger outer diameter can enter the second filling connecting pipe 5 with the larger inner diameter, and then the second sealing ring 51 is penetrated to ensure the sealing performance, the refrigerant copper pipe with the larger outer diameter can be abutted to the pipe side wall of the first filling connecting pipe 4, and also can not be contacted with the first filling connecting pipe 4, so that the liquid refrigerant is filled into the refrigerant copper pipe with the larger outer diameter through the first filling connecting pipe 4 and the second filling connecting pipe 5 after the filling condition is achieved.
The following beneficial effects can be seen from the first embodiment:
the utility model provides a connecting device contains sealed copper pipe, by valve body and hose nipple, sealed copper pipe, by valve body and hose nipple communicate formation refrigerant circulation region in proper order, it fills the connecting pipe to be equipped with first filling connecting pipe and second in this refrigerant circulation region, the external diameter of first filling connecting pipe equals the internal diameter that the connecting pipe was filled to the second, first filling connecting pipe nestification is in the inside that the connecting pipe was filled to the second, make connecting device can be suitable for the refrigerant copper pipe of two kinds of different specifications at least and carry out the refrigerant and fill, the type of the refrigerant connector of needs frequent change has been avoided, reduce the operation complexity that the refrigerant was filled, promote production efficiency, and first filling connecting pipe is inside to be equipped with first sealing ring, the second is filled the inside second sealing ring that is equipped with of connecting pipe, guarantee the purity that the refrigerant was filled.
Example two
In addition, the arrangement position of the sealing ring is further designed, and a strain groove is added to assist the fixation of the refrigerant copper pipe.
Referring to fig. 1 and 2, an embodiment of a refrigerant filling line connection device according to the embodiment of the present application includes:
still be equipped with third perfusion connection pipe 6 in the refrigerant circulation region, the external diameter of second perfusion connection pipe 5 equals the internal diameter of third perfusion connection pipe 6, and second perfusion connection pipe 5 nestification is in the inside of third perfusion connection pipe 6. It can be understood that, as shown in fig. 1, the first filling connection pipe 4, the second filling connection pipe 5, and the third filling connection pipe 6 are nested in a staggered manner layer by layer, in order to satisfy the sealing property, there is no gap between the first filling connection pipe 4, the second filling connection pipe 5, and the third filling connection pipe 6 as much as possible, and it can also be understood that, in order to satisfy the refrigerant copper pipe of more specifications to be filled with refrigerant, a nested filling connection pipe can be continuously added inside the first filling connection pipe 4 to satisfy the refrigerant copper pipe of smaller specification, or a nested filling connection pipe can be continuously added on the third filling connection pipe 6 to satisfy the refrigerant copper pipe of larger specification, which needs to be determined according to the actual application situation, the size of the sealing copper pipe 1 can be adjusted according to the actual application situation, and is not limited uniquely here.
In the embodiment of the present application, the second sealing ring 51 may be disposed on the first tube side wall top end 42 of the first perfusion connection tube 4, the third sealing ring 61 is also disposed in the third perfusion connection tube 6, and the third sealing ring 61 is disposed on the second tube side wall top end 52 of the second perfusion connection tube 5. When refrigerant copper pipe runs through the sealing ring, pipe lateral wall top can play certain supporting role to the sealing ring, prevents that sealing ring deformation degree is too big, influences the leakproofness of sealing ring. It will be appreciated that the first perfusion connection tube 4, the second perfusion connection tube 5 and the third perfusion connection tube 6 are successively larger, and therefore the diameters of the first sealing ring 41, the second sealing ring 51 and the third sealing ring 61 are successively larger.
In the embodiment of the present application, a first strain groove 43 is disposed at the top end 42 of the first tube sidewall, the first strain groove 43 is used to fasten the refrigerant copper tube in cooperation with the first flange when the refrigerant copper tube is connected to the first perfusion connection tube 4, a second strain groove 53 is disposed at the top end 52 of the second tube sidewall, the second strain groove 53 is used to fasten the refrigerant copper tube in cooperation with the second flange when the refrigerant copper tube is connected to the second perfusion connection tube 5, further, a thread may be opened at the outer diameter of the tube opening of the first perfusion connection tube 4, the second perfusion connection tube 5, and the third perfusion connection tube 6, and the thread has an oblique angle, so as to further assist the fastening of the first flange or the second flange, it can be understood that the size of the first flange is smaller than the size of the second flange.
The following advantageous effects can be seen from the second embodiment described above:
the refrigerant copper pipe that can satisfy more specifications through a plurality of nestings of filling the connecting pipe carries out the refrigerant and fills, and pipe lateral wall top can play certain supporting role to the sealing ring simultaneously, prevents that sealing ring deformation degree is too big, influences the leakproofness of sealing ring, fastens refrigerant copper pipe through the cooperation of strain groove and flange, prevents to take place the condition that the pipeline drops at the refrigerant filling in-process, promotes the efficiency and the quality that the refrigerant filled.
EXAMPLE III
In practical applications, a vacuum tube and a switch handle are further arranged on the refrigerant filling pipeline connecting device to extract impurity gas in the connecting device, so that the purity of the refrigerant is ensured, and the switch handle can conveniently control the circulation state of the liquid refrigerant.
Referring to fig. 1 and fig. 2, a third embodiment of the refrigerant filling line connecting device according to the embodiment of the present application includes:
in the embodiment of the present application, a vacuum tube 31 is disposed on the hose connector 3, and the vacuum tube 31 is used for connecting a vacuum pump to pump out gas in the refrigerant circulation region.
In addition, a switch handle 7 is arranged on the cut-off valve body 2, and a ball valve core 71 is arranged at the joint of the switch handle 7 and the cut-off valve body 2. The ball valve element 71 is a valve element which realizes the basic functions of direction control, pressure control or flow control by means of the movement of the valve body, the ball valve element is a valve element, namely, the shape of the ball valve element is spherical, namely, the valve element is a valve which is driven by a valve rod, namely a switch handle 7 in the application, and rotates around the axis of the ball valve, and is used for regulating and controlling fluid, wherein a strong shearing force is arranged between a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of surfacing hard alloy, and the ball valve is particularly suitable for media containing fibers, tiny solid particles and the like, and the multi-way ball valve can flexibly control the confluence, diversion and flow direction switching of the media on a pipeline, and can also close any channel to connect the other two channels.
Example four
Corresponding to the embodiment of the refrigerant filling pipeline connecting device, the application also provides refrigerant filling equipment and a corresponding embodiment.
The refrigerant filling equipment that this application embodiment shows includes:
the refrigerant filling pipe connecting device according to any of the above embodiments.
With regard to the refrigerant filling line connection device in the above embodiments, the respective parts have been described in detail in the embodiments related to the refrigerant filling line connection device, and will not be described in detail herein.
The aspects of the present application have been described in detail hereinabove with reference to the accompanying drawings. In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments. Those skilled in the art should also appreciate that the acts and modules referred to in the specification are not necessarily required in the present application. In addition, it can be understood that the steps in the method of the embodiment of the present application may be sequentially adjusted, combined, and deleted according to actual needs, and the modules in the device of the embodiment of the present application may be combined, divided, and deleted according to actual needs.
Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (10)

1. A refrigerant filling line connecting device, characterized by, includes:
the refrigerant input hose comprises a sealing copper pipe (1), a stop valve body (2) and a hose connector (3), wherein the hose connector (3) is a connector for connecting a refrigerant input hose, and the sealing copper pipe (1) is a pipeline for connecting the refrigerant copper pipe;
the stop valve body (2) is arranged between the sealing copper pipe (1) and the hose joint (3) and is communicated with the sealing copper pipe (1) and the hose joint (3) to form a refrigerant circulation area;
a first perfusion connecting pipe (4) and a second perfusion connecting pipe (5) are arranged in the refrigerant circulation area, the outer diameter of the first perfusion connecting pipe (4) is equal to the inner diameter of the second perfusion connecting pipe (5), and the first perfusion connecting pipe (4) is nested inside the second perfusion connecting pipe (5);
first pouring connecting pipe (4) inside is equipped with first sealing ring (41), second pouring connecting pipe (5) inside is equipped with second sealing ring (51).
2. The refrigerant charging line connection device as claimed in claim 1,
a third perfusion connecting pipe (6) is also arranged in the refrigerant circulation area;
the outer diameter of the second perfusion connecting pipe (5) is equal to the inner diameter of the third perfusion connecting pipe (6), and the second perfusion connecting pipe (5) is nested inside the third perfusion connecting pipe (6).
3. The refrigerant charging line connection device as claimed in claim 1,
the second sealing ring (51) is arranged at the top end (42) of the first pipe side wall of the first perfusion connecting pipe (4).
4. The refrigerant charging line connection device as claimed in claim 2,
a third sealing ring (61) is arranged in the third perfusion connecting pipe (6);
the third sealing ring (61) is arranged at the top end (52) of the second tube side wall of the second perfusion connecting tube (5).
5. The refrigerant charging line connection device as claimed in claim 3,
a first strain groove (43) is formed in the top end (42) of the side wall of the first pipe;
the first strain tank (43) is used for being matched with a first flange to fasten the refrigerant copper pipe when the refrigerant copper pipe is connected into the first filling connecting pipe (4).
6. The refrigerant charging line connection device as claimed in claim 4,
a second strain groove (53) is formed in the top end (52) of the side wall of the second pipe;
the second strain tank (53) is used for being matched with a second flange to fasten the refrigerant copper pipe when the refrigerant copper pipe is connected to the second perfusion connecting pipe (5).
7. The refrigerant charging line connection device as claimed in claim 1,
a vacuum tube (31) is arranged on the hose connector (3);
the vacuum pipe (31) is used for connecting a vacuum pump to pump out gas in the refrigerant circulation area.
8. The refrigerant charging line connection device as claimed in claim 1,
a switch handle (7) is arranged on the cut-off valve body (2);
a ball valve core (71) is arranged at the joint of the switch handle (7) and the stop valve body (2).
9. The refrigerant charging line connection device as claimed in claim 4,
the diameters of the first seal ring (41), the second seal ring (51), and the third seal ring (61) increase in this order.
10. A refrigerant filling apparatus, comprising:
the refrigerant charging line connection device as claimed in any one of claims 1 to 9.
CN202210368143.2A 2022-04-08 2022-04-08 Refrigerant filling pipeline connecting device and refrigerant filling equipment comprising same Pending CN114739060A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210368143.2A CN114739060A (en) 2022-04-08 2022-04-08 Refrigerant filling pipeline connecting device and refrigerant filling equipment comprising same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210368143.2A CN114739060A (en) 2022-04-08 2022-04-08 Refrigerant filling pipeline connecting device and refrigerant filling equipment comprising same

Publications (1)

Publication Number Publication Date
CN114739060A true CN114739060A (en) 2022-07-12

Family

ID=82279188

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210368143.2A Pending CN114739060A (en) 2022-04-08 2022-04-08 Refrigerant filling pipeline connecting device and refrigerant filling equipment comprising same

Country Status (1)

Country Link
CN (1) CN114739060A (en)

Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3542421C1 (en) * 1985-11-30 1987-07-02 Danfoss As Method of closing the process pipe piece of a compressor capsule of a refrigerating machine and device for implementing this method
JP2002004350A (en) * 2000-06-26 2002-01-09 Masao Kodera Sprayer hose connecter
US20030192335A1 (en) * 2001-08-02 2003-10-16 Carrier Corporation Ac and hp service valves for manufactured housing
CN201013602Y (en) * 2007-03-13 2008-01-30 郭大力 Rotation-type compressor with novel suction and exhausting pipe structure
CN101509566A (en) * 2008-03-21 2009-08-19 刘志科 Hermetic seal filling air throttle for indoor machine of split air-conditioner
CN201463431U (en) * 2009-07-16 2010-05-12 宁波日月制冷设备有限公司 Liquid-adding connector for air conditioner
US20130118187A1 (en) * 2011-11-14 2013-05-16 Vincent Carrubba Refrigerant charging assemblies and methods of use
CN204459553U (en) * 2015-02-07 2015-07-08 浙江天雁控股有限公司 The variable-diameter ring of water pipe that suitability is strong
CN204923611U (en) * 2015-09-10 2015-12-30 山西颐顺鑫科技有限公司 Copper pipe nitrogen charging arrangement
DE102014112906A1 (en) * 2014-09-08 2016-03-10 Puteus Gmbh Hose connection device
CN205877494U (en) * 2016-08-18 2017-01-11 重庆高金实业有限公司 Cartridge that connects of pipeline is put
CN206191125U (en) * 2016-10-25 2017-05-24 广东生益科技股份有限公司 Ball valve type makes up suction pipe device
CN206352916U (en) * 2016-12-22 2017-07-25 秦建凡 A kind of air conditioner coolant fill valve
CN206583145U (en) * 2017-01-21 2017-10-24 北京罗思韦尔汽车零部件有限公司 Evaporator refrigerant bulking system
CN107514511A (en) * 2017-09-21 2017-12-26 珠海格力电器股份有限公司 Pipeline connecting assembly, pipeline structure and air conditioner
CN110816209A (en) * 2019-11-08 2020-02-21 东风汽车集团有限公司 Air conditioning system filling parameter obtaining method and device
CN211624515U (en) * 2019-12-30 2020-10-02 青岛家盛能源科技有限公司 Heat supply pipeline connecting piece
CN211738057U (en) * 2019-11-13 2020-10-23 浙江盾安禾田金属有限公司 Filling valve and refrigeration system with same
CN214743990U (en) * 2021-05-06 2021-11-16 冷水江博长环保能源有限公司 Portable multi-caliber water pipe connector
CN217844373U (en) * 2022-04-08 2022-11-18 格力电器(杭州)有限公司 Refrigerant filling pipeline connecting device and refrigerant filling equipment comprising same

Patent Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3542421C1 (en) * 1985-11-30 1987-07-02 Danfoss As Method of closing the process pipe piece of a compressor capsule of a refrigerating machine and device for implementing this method
JP2002004350A (en) * 2000-06-26 2002-01-09 Masao Kodera Sprayer hose connecter
US20030192335A1 (en) * 2001-08-02 2003-10-16 Carrier Corporation Ac and hp service valves for manufactured housing
CN201013602Y (en) * 2007-03-13 2008-01-30 郭大力 Rotation-type compressor with novel suction and exhausting pipe structure
CN101509566A (en) * 2008-03-21 2009-08-19 刘志科 Hermetic seal filling air throttle for indoor machine of split air-conditioner
CN201463431U (en) * 2009-07-16 2010-05-12 宁波日月制冷设备有限公司 Liquid-adding connector for air conditioner
US20130118187A1 (en) * 2011-11-14 2013-05-16 Vincent Carrubba Refrigerant charging assemblies and methods of use
DE102014112906A1 (en) * 2014-09-08 2016-03-10 Puteus Gmbh Hose connection device
CN204459553U (en) * 2015-02-07 2015-07-08 浙江天雁控股有限公司 The variable-diameter ring of water pipe that suitability is strong
CN204923611U (en) * 2015-09-10 2015-12-30 山西颐顺鑫科技有限公司 Copper pipe nitrogen charging arrangement
CN205877494U (en) * 2016-08-18 2017-01-11 重庆高金实业有限公司 Cartridge that connects of pipeline is put
CN206191125U (en) * 2016-10-25 2017-05-24 广东生益科技股份有限公司 Ball valve type makes up suction pipe device
CN206352916U (en) * 2016-12-22 2017-07-25 秦建凡 A kind of air conditioner coolant fill valve
CN206583145U (en) * 2017-01-21 2017-10-24 北京罗思韦尔汽车零部件有限公司 Evaporator refrigerant bulking system
CN107514511A (en) * 2017-09-21 2017-12-26 珠海格力电器股份有限公司 Pipeline connecting assembly, pipeline structure and air conditioner
CN110816209A (en) * 2019-11-08 2020-02-21 东风汽车集团有限公司 Air conditioning system filling parameter obtaining method and device
CN211738057U (en) * 2019-11-13 2020-10-23 浙江盾安禾田金属有限公司 Filling valve and refrigeration system with same
CN211624515U (en) * 2019-12-30 2020-10-02 青岛家盛能源科技有限公司 Heat supply pipeline connecting piece
CN214743990U (en) * 2021-05-06 2021-11-16 冷水江博长环保能源有限公司 Portable multi-caliber water pipe connector
CN217844373U (en) * 2022-04-08 2022-11-18 格力电器(杭州)有限公司 Refrigerant filling pipeline connecting device and refrigerant filling equipment comprising same

Similar Documents

Publication Publication Date Title
CN101415985B (en) Flareless pipe coupling structure, flareless pipe coupling method, and on-site pipe coupling method
CN111780227B (en) Indoor unit of air conditioner, air conditioner and assembling method
CN217844373U (en) Refrigerant filling pipeline connecting device and refrigerant filling equipment comprising same
EP0912850B1 (en) Valve system
JPH0320638B2 (en)
CN102654073A (en) Exhaust heat recovery device
US20040182455A1 (en) Dual body service valve
CN114739060A (en) Refrigerant filling pipeline connecting device and refrigerant filling equipment comprising same
CN101852296A (en) Water drain valve
CN201314419Y (en) Pipe joint for coolant side of plate-type heat exchanger
US7681591B2 (en) In-line swivel for inflatable plugs
CN210715976U (en) Valve device
CN212480215U (en) Clamping and pressing type ball valve for refrigeration
CN210196537U (en) Switch valve and air conditioner
CN112081942A (en) Clamping and pressing type ball valve for refrigeration
CN202580088U (en) Low-pressure simple ball valve
CN215257848U (en) Stop valve and air conditioning system with same
CN102506184A (en) Improvements in relation to valves
CN214789190U (en) Duplex three-way ball valve
CN215216786U (en) Double-circuit liquid supply refrigeration assembly, evaporator and refrigeration system
EP0224565A1 (en) A deep purge connector for gas supply system
CN221547846U (en) Valve seat, flow control device and thermal management system
CN219933105U (en) Explosion-proof valve for preventing explosion cylinder
CN218778754U (en) Oil gun suitable for automatic oiling robot
CN213541386U (en) Quantitative ball water transfer valve

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