CN109899613A - A kind of non-contact open-type quick coupling - Google Patents
A kind of non-contact open-type quick coupling Download PDFInfo
- Publication number
- CN109899613A CN109899613A CN201910293696.4A CN201910293696A CN109899613A CN 109899613 A CN109899613 A CN 109899613A CN 201910293696 A CN201910293696 A CN 201910293696A CN 109899613 A CN109899613 A CN 109899613A
- Authority
- CN
- China
- Prior art keywords
- quick coupling
- female connector
- pin end
- sealing ring
- connector
- 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.)
- Granted
Links
- 230000008878 coupling Effects 0.000 title claims abstract description 36
- 238000010168 coupling process Methods 0.000 title claims abstract description 36
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 42
- 230000005291 magnetic effect Effects 0.000 claims abstract description 22
- 230000005307 ferromagnetism Effects 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 238000005476 soldering Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 12
- 230000005389 magnetism Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 2
- 239000003507 refrigerant Substances 0.000 description 6
- 238000004378 air conditioning Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
A kind of non-contact open-type quick coupling, it include pin end and female connector, male and female two parts of quick coupling are respectively designed to diaphragm type one-way valve by the present invention, under connector separated position, the magnetic force of connector itself permanent magnet realizes sealing performance, after connector is combined together, the principle mutually repelled using two permanent magnetism same sexes, the male and female two parts for opening quick coupling are opened with the mutually exclusive power of magnet, realize the purpose of connection；Each component connectivity port of air conditioner cooling cycle system uses the form of this quick coupling, can be realized that each component of separated position is independent sealed, quickly connects into the function of the complete circulatory system after connection automatically；So that the connection more convenient and quicker of indoor and outdoor machine, professional technique requirement is lower, and operation can be completed according to simple illustration book in ordinary people；And can be realized modular installation, indoor unit, outdoor unit, connection hose etc., rapid abutting joint constitutes a complete circulatory system, vacuumizes operation without scene.
Description
Technical field
The present invention relates to the product facilities that can be used for refrigeration equipment gas-fluid mixing systems and other pipe-line systems, more specifically
It says more particularly to a kind of non-contact open-type quick coupling.
Background technique
The connection of existing air-conditioning indoor and outdoor machine is the face seal form that hose horn mouth matches the conical surface, needs scene by air-conditioning
Indoor and outdoor machine connect into after a complete circulatory system and just can be carried out the operation for vacuumizing filling refrigerant, later period air-conditioning
Need to repeat the above installation operation after dismounting again, professional ability requires height, for the installation of indoor and outdoor machine and other pipelines
Connection needs trained professional that could complete to install using specific purpose tool, in piping connection assembly, assembly time
Long, large labor intensity fills refrigerant after vacuumizing after being installed to system, installation difficulty and technical requirements are relatively
It is high.
Summary of the invention
The present invention improves the prior art for disadvantages mentioned above, provides a kind of non-contact open-type quick coupling, skill
Art scheme is as follows:
The direction of this programme is the connection scheme that each connecting interface is designed to quick coupling, and each subsystem is complete in factory
Sealing independent is completed at the work for vacuumizing and filling refrigerant, and using quick coupling, in-site installation only needs will be right
To connecting, male and female quick coupling, which will interact, is voluntarily opened, and is connected to the refrigerated medium of entire air-conditioning equipment for the quick connection answered
Heat circulating system, the equipment dismounting in later period remove quick coupling, automatic-sealed is understood in male and female quick coupling again in safeguarding, it is ensured that
Refrigerant in system will not leak, to realize the modular Fast Installation of refrigeration equipment.
A kind of non-contact open-type quick coupling, includes pin end and female connector, and one end of the pin end is connected with
Copper tube, the other end have been connected through a screw thread plug, the plug be in hollow structure, and its be connected to pin end, the plug it is interior
Wall is fixedly connected with the first ferromagnetism sealing ring by interference fit, and one end of the first ferromagnetism sealing ring is adsorbed with the first magnetic
Property diaphragm, primary diaphragm position-limited rack is provided between the plug and pin end, the primary diaphragm position-limited rack fixation is arranged in public affairs
The inside of connector, and it is inlaid with the first filter screen in one end of pin end, the first magnetic film limit is movably set in
On the inside of the other end of primary diaphragm position-limited rack, the pin end surrounds on the outside of the junction of female connector and is embedded with sealing ring；
One end of the female connector has been connected through a screw thread sleeve, and the sleeve lining is fixedly connected with by interference fit
Second ferromagnetism sealing ring, the other end of the second ferromagnetism sealing ring are adsorbed with the second magnetic film, one end of the sleeve
Secondary diaphragm position-limited rack is provided between female connector, the fixed inside for being arranged in female connector of the secondary diaphragm position-limited rack, and the
One end of two diaphragm position-limited racks is inlaid with the second filter screen, and the second magnetic film limit is movably set in secondary diaphragm limit
On the inside of the other end of frame.
The outside active card of the pin end is equipped with locking nut, which is press-fitted in the outside of pin end, described
Sleeve, which is connected through a screw thread locking nut, is fixedly connected with pin end with female connector.
The pin end has two groups around being embedded sealing ring on the outside of the contact position of female connector.
Sealing ring is provided between the pin end and plug.
Internal screw thread is offered on the inside of the other end of the female connector, and is embedded with sealing ring in the end of internal screw thread.
Sealing ring is provided on the inside of one end of the female connector and the contact position of sleeve.
The sealing ring is O-ring seal.
One end of the pin end passes through soldering connection copper tube.
Compared with prior art, the invention has the benefit that the present invention sets male and female two parts of quick coupling respectively
Count into diaphragm type one-way valve, under connector separated position, the magnetic force of connector itself permanent magnet realizes sealing performance, when connector knot
After being combined, the principle mutually repelled using two permanent magnetism same sexes will open the male and female two of quick coupling with the mutually exclusive power of magnet
It partially opens, realizes the purpose of connection；Each component connectivity port of air conditioner cooling cycle system uses the form of this quick coupling,
It can be realized that each component of separated position is independent sealed, quickly connect into the function of the complete circulatory system after connection automatically；So that
Labor intensity is effectively reduced in the connection more convenient and quicker of indoor and outdoor machine, and professional technique requirement is lower, and ordinary people is according to simple
Operation can be completed in specification；And can be realized modular installation, indoor unit, outdoor unit, connection hose etc., rapid abutting joint is
A complete circulatory system is constituted, vacuumizes operation without scene.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described:
Fig. 1 is separated position structural schematic diagram of the invention；
Fig. 2 is connection status structural schematic diagram of the invention；
Fig. 3 is schematic perspective view of the invention；
Fig. 4 is decomposition texture schematic diagram of the invention；
It include: pin end 10, female connector 11, copper tube 12, plug 13, the first ferromagnetism sealing ring 14, the first magnetic film
Piece 15, primary diaphragm position-limited rack 16, the first filter screen 17, sealing ring 18, sleeve 19, the second ferromagnetism sealing ring 20, the second magnetic
Property diaphragm 21, secondary diaphragm position-limited rack 22, the second filter screen 23, locking nut 24.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
The embodiment of invention, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, belongs to protection scope of the present invention.
The embodiment of the present invention is described in further detail below in conjunction with attached drawing, as follows in detail:
A kind of non-contact open-type quick coupling in conjunction with shown in Fig. 1 to Fig. 4, includes pin end 10 and female connector 11,
One end of pin end 10 is connected with copper tube 12, and the other end has been connected through a screw thread plug 13, which is in hollow structure, and
It is connected to pin end 10, and the inner wall of plug 13 is fixedly connected with the first ferromagnetism sealing ring 14 by interference fit, first iron
One end of magnetic seal ring 14 is adsorbed with the first magnetic film 15, and primary diaphragm limit is provided between plug 13 and pin end 10
Frame 16, the fixed inside for being arranged in pin end 10 of the primary diaphragm position-limited rack 16, and it is inlaid with the in one end of pin end 10
One filter screen 17, the limit of the first magnetic film 15 are movably set on the inside of the other end of primary diaphragm position-limited rack 16, pin end 10
It is surrounded on the outside of the junction of female connector 11 and is embedded with sealing ring 18；
One end of the female connector 11 has been connected through a screw thread sleeve 19, and 19 inner wall of sleeve is fixedly connected with by interference fit
Second ferromagnetism sealing ring 20, the other end of the second ferromagnetism sealing ring 20 are adsorbed with the second magnetic film 21, sleeve 19
Secondary diaphragm position-limited rack 22 is provided between one end and female connector 11, the secondary diaphragm position-limited rack 22 fixation is arranged in female connector 11
Inside, and one end of secondary diaphragm position-limited rack 22 is inlaid with the second filter screen 23,21 limit activity of the second magnetic film setting
On the inside of the other end of secondary diaphragm position-limited rack 22；
The outside active card of pin end 10 is equipped with locking nut 24, which is press-fitted in the outside of pin end 10,
Sleeve 19, which is connected through a screw thread locking nut 24, is fixedly connected with pin end 10 with female connector 11.
Further, pin end 10 has two groups around being embedded sealing ring 18 on the outside of the contact position of female connector 11, pin end 10
It is provided with sealing ring 18 between plug 13, offers internal screw thread on the inside of the other end of female connector 11, and in the end of internal screw thread
It is embedded with sealing ring 18, is provided with sealing ring 18 on the inside of one end of female connector 11 and the contact position of sleeve 19.
Further, sealing ring 18 is O-ring seal.
Further, one end of pin end 10 passes through soldering connection copper tube 12.
Direction of the invention is the connection scheme that each connecting interface is designed to quick coupling, and each subsystem is complete in factory
Sealing independent is completed at the work for vacuumizing and filling refrigerant, and using quick coupling, in-site installation only needs will be right
To connecting, male and female quick coupling, which will interact, is voluntarily opened, and is connected to the refrigerated medium of entire air-conditioning equipment for the quick connection answered
Heat circulating system, the equipment dismounting in later period remove quick coupling, automatic-sealed is understood in male and female quick coupling again in safeguarding, it is ensured that
Refrigerant in system will not leak, to realize the modular Fast Installation of refrigeration equipment.
For combining above structure: the present invention can be used for liquid and gas-fluid mixing systems, such as: the present invention can be used for
Liquid and gas-fluid mixing systems；Working principle of the present invention is as follows:
10 part of pin end: copper tube 12 is brazed in pin end 10, and locking nut 24 is press-fitted into pin end 10, pin end 10
The peripheral seal that twice O-ring realizes quick coupling is designed, the first ferromagnetism sealing ring 14 is connected with plug 13 using interference fit
It is connected into an entirety, plug 13 is threadedly connected to pin end 10, and is realized and sealed with O-ring, and the first filter screen 17 is embedded in the
On one diaphragm position-limited rack 16, it is fixed to inside pin end 10 using the installation of plug 13；In separate state, the first magnetic film 15
It is adsorbed on the first ferromagnetism sealing ring 14, realizes sealing effect.
11 part of female connector: the second ferromagnetism sealing ring 20 connects into an entirety using interference fit in sleeve 19, covers
Cylinder 19 is threaded on female connector 11, and is realized and sealed with O-ring, and the second filter screen 23 is embedded in secondary diaphragm position-limited rack 22
On, it is fixed to inside female connector 11 using the installation of sleeve 19, in independent encapsulation, it is ferromagnetic that the second magnetic film 21 is adsorbed on second
Property sealing ring 20 on, realize sealing effect, 11 other end of female connector designs the internal screw thread that connect with shut-off valve cross-peen, and with O-shaped
Circle realizes connection sealing.
Connection status: pin end 10 is inserted into inside 11 sleeve 19 of female connector, and realizes quick coupling using twice O-ring
Peripheral seal, locking nut 24 connect 19 external screw thread of sleeve realization is reliably connected, pin and box sub 11 connect after, two magnetic films
The principle that piece utilizes the same sex mutually to repel, two magnetic films is shifted on the other end of respective diaphragm position-limited rack respectively and completes non-connect
Touching is opened, and realizes the conducting of entire quick coupling.
Male and female two parts of quick coupling are respectively designed to diaphragm type one-way valve by the present invention, under connector separated position, are connect
Head realizes that sealing performance is mutually repelled after connector is combined together using two permanent magnetism same sexes using the magnetic force of itself permanent magnet
Principle, opened with male and female two parts that the mutually exclusive power of magnet will open quick coupling, realize the purpose of connection；Air conditioner refrigerating follows
Each component connectivity port of loop system uses the form of this quick coupling, and it is independent sealed to can be realized each component of separated position, fastly
Automatically the function of the complete circulatory system is connected into after speed connection；So that the connection more convenient and quicker of indoor and outdoor machine, professional skill
Art requirement is lower, and operation can be completed according to simple illustration book in ordinary people；And it can be realized modular installation, indoor unit, room
Outer machine, connection hose etc., rapid abutting joint constitutes a complete circulatory system, vacuumizes operation without scene.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And deformation, the scope of the present invention are limited by appended claims extremely equivalent.
Claims (7)
1. a kind of non-contact open-type quick coupling includes pin end (10) and female connector (11), it is characterised in that: the public affairs
One end of connector (10) is connected with copper tube (12), and the other end has been connected through a screw thread plug (13), and the plug (13) is in hollow
Structure, and it is connected to pin end (10), it is close that the inner wall of the plug (13) by interference fit is fixedly connected with the first ferromagnetism
Seal ring (14), one end of the first ferromagnetism sealing ring (14) are adsorbed with the first magnetic film (15), the plug (13) and public affairs
Primary diaphragm position-limited rack (16) are provided between connector (10), the primary diaphragm position-limited rack (16) fixation is arranged in pin end (10)
Inside, and it is inlaid with the first filter screen (17) in one end of pin end (10), and the first magnetic film (15) limit is lived
Dynamic to be set on the inside of the other end of primary diaphragm position-limited rack (16), the pin end (10) is on the outside of the junction of female connector (11)
Around being embedded with sealing ring (18)；
One end of the female connector (11) has been connected through a screw thread sleeve (19), and sleeve (19) inner wall is solid by interference fit
Surely it is connected with the second ferromagnetism sealing ring (20), the other end of the second ferromagnetism sealing ring (20) is adsorbed with the second magnetic film
(21), it is provided with secondary diaphragm position-limited rack (22) between one end and female connector (11) of the sleeve (19), secondary diaphragm limit
The fixed inside for being arranged in female connector (11) of position frame (22), and one end of secondary diaphragm position-limited rack (22) is inlaid with the second filter screen
(23), the second magnetic film (21) limit is movably set on the inside of the other end of secondary diaphragm position-limited rack (22)；
The outside active card of the pin end (10) is equipped with locking nut (24), which is press-fitted in pin end (10)
Outside, the sleeve (19), which is connected through a screw thread locking nut (24), is fixedly connected with pin end (10) with female connector (11).
2. a kind of non-contact open-type quick coupling according to claim 1, it is characterised in that: the pin end (10) in
There are two groups around being embedded sealing ring (18) on the outside of the contact position of female connector (11).
3. a kind of non-contact open-type quick coupling according to claim 1, it is characterised in that: the pin end (10) with
Sealing ring (18) are provided between plug (13).
4. a kind of non-contact open-type quick coupling according to claim 1, it is characterised in that: the female connector (11)
Internal screw thread is offered on the inside of the other end, and is embedded with sealing ring (18) in the end of internal screw thread.
5. a kind of non-contact open-type quick coupling according to claim 1, it is characterised in that: the female connector (11)
Sealing ring (18) are provided on the inside of the contact position of one end and sleeve (19).
6. a kind of according to claim 1, non-contact open-type quick coupling described in 2,3,4 or 5, it is characterised in that: described close
Seal (18) is O-ring seal.
7. a kind of non-contact open-type quick coupling according to claim 1, it is characterised in that: the pin end (10)
One end passes through soldering connection copper tube (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910293696.4A CN109899613B (en) | 2019-04-12 | 2019-04-12 | Non-contact open type quick connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910293696.4A CN109899613B (en) | 2019-04-12 | 2019-04-12 | Non-contact open type quick connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109899613A true CN109899613A (en) | 2019-06-18 |
| CN109899613B CN109899613B (en) | 2024-02-27 |
Family
ID=66955750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910293696.4A Active CN109899613B (en) | 2019-04-12 | 2019-04-12 | Non-contact open type quick connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109899613B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061223A (en) * | 2020-08-10 | 2022-02-18 | 海信（山东）冰箱有限公司 | Refrigerator and pipeline installation method |
| CN114508639A (en) * | 2022-02-25 | 2022-05-17 | 徐州徐工挖掘机械有限公司 | Pipeline joint, air conditioning system and excavator |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003139284A (en) * | 2001-11-01 | 2003-05-14 | Nabco Ltd | Joint and joint structure |
| US7252112B1 (en) * | 2006-06-01 | 2007-08-07 | Catlow, Inc. | Breakaway hose coupling with a magnetic connection |
| WO2007114039A1 (en) * | 2006-03-31 | 2007-10-11 | Nitto Kohki Co., Ltd. | Pipe joint |
| CN202171081U (en) * | 2011-07-19 | 2012-03-21 | 浙江同星制冷有限公司 | Quick joint of an air conditioner pipeline |
| CN102878376A (en) * | 2012-09-24 | 2013-01-16 | 森松(江苏)海油工程装备有限公司 | Quick joint valve assembly with interlocking device |
| CN202946817U (en) * | 2012-08-20 | 2013-05-22 | 新昌县宏威电器有限公司 | Split type air conditioner quick joint |
| CN105972360A (en) * | 2016-07-06 | 2016-09-28 | 大连沃森达智能仪器有限公司 | LNG special quick connector |
| CN209818996U (en) * | 2019-04-12 | 2019-12-20 | 广东恒基金属制品实业有限公司 | Non-contact open-type quick connector |
-
2019
- 2019-04-12 CN CN201910293696.4A patent/CN109899613B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003139284A (en) * | 2001-11-01 | 2003-05-14 | Nabco Ltd | Joint and joint structure |
| WO2007114039A1 (en) * | 2006-03-31 | 2007-10-11 | Nitto Kohki Co., Ltd. | Pipe joint |
| US7252112B1 (en) * | 2006-06-01 | 2007-08-07 | Catlow, Inc. | Breakaway hose coupling with a magnetic connection |
| CN202171081U (en) * | 2011-07-19 | 2012-03-21 | 浙江同星制冷有限公司 | Quick joint of an air conditioner pipeline |
| CN202946817U (en) * | 2012-08-20 | 2013-05-22 | 新昌县宏威电器有限公司 | Split type air conditioner quick joint |
| CN102878376A (en) * | 2012-09-24 | 2013-01-16 | 森松(江苏)海油工程装备有限公司 | Quick joint valve assembly with interlocking device |
| CN105972360A (en) * | 2016-07-06 | 2016-09-28 | 大连沃森达智能仪器有限公司 | LNG special quick connector |
| CN209818996U (en) * | 2019-04-12 | 2019-12-20 | 广东恒基金属制品实业有限公司 | Non-contact open-type quick connector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061223A (en) * | 2020-08-10 | 2022-02-18 | 海信（山东）冰箱有限公司 | Refrigerator and pipeline installation method |
| CN114061223B (en) * | 2020-08-10 | 2023-04-14 | 海信冰箱有限公司 | Refrigerator and pipeline installation method |
| CN114508639A (en) * | 2022-02-25 | 2022-05-17 | 徐州徐工挖掘机械有限公司 | Pipeline joint, air conditioning system and excavator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109899613B (en) | 2024-02-27 |
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