CN103629465B - Air-conditioning internal-external machine quick connecting pipe - Google Patents
Air-conditioning internal-external machine quick connecting pipe Download PDFInfo
- Publication number
- CN103629465B CN103629465B CN201310672372.4A CN201310672372A CN103629465B CN 103629465 B CN103629465 B CN 103629465B CN 201310672372 A CN201310672372 A CN 201310672372A CN 103629465 B CN103629465 B CN 103629465B
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- Prior art keywords
- quick
- air
- connecting tube
- push rod
- head
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- 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.)
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/38—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings
- F16L37/40—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a lift valve being opened automatically when the coupling is applied
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/22—Pipes composed of a plurality of segments
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/26—Refrigerant piping
- F24F1/32—Refrigerant piping for connecting the separate outdoor units to indoor units
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a kind of air-conditioning internal-external machine quick connecting pipe, comprise a connecting tube (1) and two connecting heads of being connected of machine inside and outside with air-conditioning respectively, each connecting head is formed by connecting by a quick female joint (2) be connected with connecting tube (1) and a quick tool joint pin (3) be connected with air-conditioning internal machine or outer machine; Be provided with a sealing locking device in described quick female joint (2), be provided with one in described quick tool joint pin (3) for the opening device of opening encapsulation locking device.Above-mentioned air-conditioning internal-external machine quick connecting pipe can directly be connected with the inside and outside machine of air-conditioning and without the need to being vented.
Description
Technical field
The present invention relates to air-conditioning technical field, is specifically a kind of air-conditioning internal-external machine quick connecting pipe.
Background technique
The air-conditioning internal-external machine quick connecting pipe of prior art comprises a copper pipe and two nuts of being connected of machine inside and outside with air-conditioning respectively, and two described nuts are located at the two ends of copper pipe respectively.There is following defect in the air-conditioning internal-external machine quick connecting pipe of said structure: during use in the using process of reality, is connected by a nut with air-conditioning internal machine, discharges the air in copper pipe, be then connected with air-conditioning outer machine by another one nut.Because bleeding is very complicated, therefore add the operation easier of operator to a certain extent, too increase the installation cost of air-conditioning simultaneously.
Summary of the invention
The technical problem to be solved in the present invention is, overcomes the defect of above prior art, provides a kind of energy to be directly connected with the inside and outside machine of air-conditioning and air-conditioning internal-external machine quick connecting pipe without the need to being vented.
Technological scheme of the present invention is, a kind of air-conditioning internal-external machine quick connecting pipe is provided, comprise a connecting tube and two connecting heads of being connected of machine inside and outside with air-conditioning respectively, each connecting head is formed by connecting by a quick female joint be connected with connecting tube and a quick tool joint pin be connected with air-conditioning internal machine or outer machine; Be provided with a sealing locking device in described quick female joint, be provided with one in described quick tool joint pin for the opening device of opening encapsulation locking device.
Described connecting tube comprises two sections of copper connecting tubes and one section of aluminum alloy connecting tube, and one end of described two sections of copper connecting tubes is tightly connected with two quick female joints respectively, and the other end of described two sections of copper connecting tubes is tightly connected with the two ends of aluminum alloy connecting tube respectively.
Described aluminum alloy connecting tube is the aluminum alloy connecting tube of 3003 materials.
The connecting sewing place of described two sections of copper connecting tubes and aluminum alloy connecting tube is socketed with a spring respectively, and the two ends of described spring are separately fixed on copper connecting tube and aluminum alloy connecting tube.
Be provided with a through hole in described quick female joint, described sealing locking device is located in through hole; Described sealing locking device comprises the axle bed be located in through hole, a spring, an axle sleeve and a push rod; Described axle bed is fixed in through hole, and described axle bed is provided with multiple axial bore; One end of described push rod is fixedly connected with axle bed, and the other end of described push rod is provided with a push rod head; Push rod between described push rod head and axle bed is socketed the first Returnning spring and axle sleeve successively, and described axle sleeve is slidably fitted in through hole, and one end of described axle sleeve can offset to seal with push rod head; The described quick female joint inwall near push rod head is provided with internal thread.
Two ends, left and right on described sleeve outer circle face are all socketed with a ○-shaped seal ring.
Be provided with an axial hole in described quick tool joint pin, described opening device is located in a cavity of this axial hole; Described opening device comprises a valve head, a valve rod and a support; Described support is connected in sequence by front supporting plate, the second Returnning spring, rear supporting plate; One end of described valve head and one end of cavity offset; The other end of described valve head is connected with valve rod; Described valve rod is successively through front supporting plate, the second Returnning spring, rear supporting plate; Described away from being also provided with a tubaeform copper cap in the axial hole of valve head; The described quick tool joint pin near valve head can offset to seal with push rod head; Described valve head, front supporting plate are slidably fitted in cavity; The described quick tool joint pin outer wall near valve head is provided with outside thread, and described outside thread is threaded with internal thread.
After adopting above structure, the present invention compared with prior art, has the following advantages:
Two connecting heads of air-conditioning internal-external machine quick connecting pipe of the present invention are formed by connecting by a quick female joint be connected with connecting tube and a quick tool joint pin be connected with air-conditioning internal machine or outer machine; Be provided with a sealing locking device in described quick female joint, be provided with one in described quick tool joint pin for the opening device of opening encapsulation locking device.During use, first two quick tool joint pins are coupled together with air-conditioning internal machine, outer machine respectively, and then quick tool joint pin is connected fast with quick female joint.Such air-conditioning internal-external machine quick connecting pipe that can make directly is connected with the inside and outside machine of air-conditioning and without the need to being vented, therefore reduces the operation easier of operator to a certain extent, also reduces the installation cost of air-conditioning simultaneously.
As improvement, described connecting tube comprises two sections of copper connecting tubes and one section of aluminum alloy connecting tube, one end of described two sections of copper connecting tubes is tightly connected with two quick female joints respectively, and the other end of described two sections of copper connecting tubes is tightly connected with the two ends of aluminum alloy connecting tube respectively.Because the cost of aluminum alloy connecting tube is lower than the cost of copper connecting tube, therefore this 3 stops connecting tube reduces the cost of production of air-conditioning.
As improvement, the connecting sewing place of described two sections of copper connecting tubes and aluminum alloy connecting tube is socketed with a spring respectively, and the two ends of described spring are separately fixed on copper connecting tube and aluminum alloy connecting tube.A supporting effect can be done to joint by spring, thus improve the functional reliability of air-conditioning internal-external machine quick connecting pipe of the present invention to a certain extent.
Accompanying drawing explanation
Fig. 1 is the structural representation of air-conditioning internal-external machine quick connecting pipe of the present invention.
Fig. 2 is the sectional view of connecting head.
Shown in figure 1, connecting tube, 1.1, copper connecting tube, 1.2, aluminum alloy connecting tube, 1.3, connecting sewing, 2, quick female joint, 3, quick tool joint pin, 4, spring, 5, through hole, 6, axle bed, 7, first Returnning spring, 8, axle sleeve, 9, push rod, 10, axial bore, 11, push rod head, 12, ○-shaped seal ring groove, 13, internal thread, 14, ○-shaped seal ring, 15, axial hole, 15.1, cavity, 16, valve head, 17, valve rod, 18, front supporting plate, 19, second Returnning spring, 20, rear supporting plate, 21, tubaeform copper cap, 22, outside thread, 23, block, 24, horn mouth.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Figure 1 and Figure 2, a kind of air-conditioning internal-external machine of the present invention quick connecting pipe, comprise a connecting tube 1 and two connecting heads of being connected of machine inside and outside with air-conditioning respectively, each connecting head is formed by connecting by a quick female joint be connected with connecting tube 12 and a quick tool joint pin 3 be connected with air-conditioning internal machine or outer machine, the two ends of connecting tube 1 respectively female joint 2 quick with two are welded, one end of two quick tool joint pins 3 respectively female joint 2 quick with two is threaded, and the other end of two quick tool joint pins 3 is connected with the inside and outside machine of air-conditioning; Be provided with a sealing locking device in described quick female joint 2, be provided with one in described quick tool joint pin 3 for the opening device of opening encapsulation locking device.
Described connecting tube 1 comprises two sections of copper connecting tubes 1.1 and one section of aluminum alloy connecting tube 1.2, quick female joint 2 is tightly connected with two respectively in one end of described two sections of copper connecting tubes 1.1, and one end of two sections of copper connecting tubes 1.1 respectively female joint 2 quick with two is welded; The other end of described two sections of copper connecting tubes 1.1 is tightly connected with the two ends of aluminum alloy connecting tube 1.2 respectively, and the other end of two sections of copper connecting tubes 1.1 welds with the two ends of aluminum alloy connecting tube 1.2 respectively.Hollow or refrigerant is housed in connecting tube 1.
Described aluminum alloy connecting tube 1.2 is the aluminum alloy connecting tube 1.2 of 3003 materials.
Described two sections of copper connecting tubes 1.1 are socketed with a spring 4 respectively with connecting sewing 1.3 place of aluminum alloy connecting tube 1.2, the two ends of described spring 4 are separately fixed on copper connecting tube 1.1 and aluminum alloy connecting tube 1.2, namely on copper connecting tube 1.1 and aluminum alloy connecting tube 1.2, insulating tape is wound around respectively, form a block 23, the two ends of spring 4 are offseted with two block 23 respectively.
Be provided with a through hole 5 in described quick female joint 2, described sealing locking device is located in through hole 5, and described through hole 5 also communicates with copper connecting tube 1.1; Described sealing locking device comprises axle bed 6, first Returnning spring 7, axle sleeve 8 and the push rod 9 be located in through hole 5; Described axle bed 6 is fixed in through hole 5, and in the present embodiment, be provided with an axle bed groove in through hole 5, axle bed 6 is fixed in axle bed groove; Described axle bed 6 is provided with multiple axial bore 10, passing through for refrigeration agent; One end of described push rod 9 is fixedly connected with axle bed 6, and the other end of described push rod 9 is provided with a push rod head 11; Push rod 9 between described push rod head 11 and axle bed 6 is socketed successively the first Returnning spring 7 and axle sleeve 8, namely one end of the first Returnning spring 7 and axle bed 6 offset, and the other end of the first Returnning spring 7 and the other end of axle sleeve 8 offset, and reset in order to promote axle sleeve 8; Described axle sleeve 8 is slidably fitted in through hole 5, one end of described axle sleeve 8 can offset to seal with push rod head 11, namely axle sleeve 8 offsets to prevent refrigeration agent from passing through with push rod head 11 by the first Returnning spring 7, axle sleeve 8 is provided with an annular drift angle, push rod head 11 is provided with the inclined-plane of a circle, and annular drift angle offsets with the inclined-plane of annular; Described quick female joint 2 inwall near push rod head 11 is provided with internal thread 13.
Two ends, left and right on described axle sleeve 8 periphery are all socketed with a ○-shaped seal ring 14, axle sleeve 8 periphery each side arranges a ○-shaped seal ring groove 12, in order to accommodating ○-shaped seal ring 14, which prevent refrigeration agent and pass through between axle sleeve 8 and quick female joint 2.
An axial hole 15 is provided with in described quick tool joint pin 3, the two ends of axial hole 15 are respectively two horn mouths 24, and described opening device is located in a cavity 15.1 of this axial hole 15, in the present embodiment, the two ends of cavity 15.1 are the mouth of two similar loudspeaker, and centre is a straight hole; Described opening device comprises valve head 16, valve rod 17 and a support; Described support is connected in sequence by front supporting plate 18, second Returnning spring 19, rear supporting plate 20; One end of described valve head 16 and one end of cavity 15.1 offset, and namely the inwall of one end of valve head 16 and the mouth of similar loudspeaker offsets; The other end of described valve head 16 is connected with valve rod 17; Front supporting plate 18, rear supporting plate 20 are triangular plate, and three angles of front supporting plate 18, rear supporting plate 20 are all slidably fitted on the inwall of straight hole; Described valve rod 17 is successively through front supporting plate 18, second Returnning spring 19, rear supporting plate 20; Described away from being also provided with a tubaeform copper cap 21 in the axial hole 15 of valve head 16; The described quick tool joint pin 3 near valve head 16 can offset with push rod head 11, namely offsets to seal near horn mouth 24 inwall of the quick tool joint pin 3 of valve head 16 and the end of push rod head 11; Described valve head 16, front supporting plate 18 are slidably fitted in cavity 15.1; Described quick tool joint pin 3 outer wall near valve head 16 is provided with outside thread 22, and described outside thread 22 is threaded with internal thread 13.
When quick female joint 2 is connected with quick tool joint pin 3, quick female joint 2 and quick tool joint pin 3 are screwed, at this moment quick tool joint pin 3 props up axle sleeve 8 and slides backward, such refrigeration agent rushes in quick tool joint pin 3 by the space between axle sleeve 8 and push rod head 11, until push rod head 11 props up valve head 16, and valve head 16 is supported backward, refrigeration agent can be entered in indoor set.
Below only just most preferred embodiment of the present invention is described, but can not be interpreted as it is limitations on claims.The present invention is not limited only to above embodiment, and its concrete structure allows to change.In every case the various change done in the protection domain of independent claims of the present invention is all in protection scope of the present invention.
Claims (5)
1. an air-conditioning internal-external machine quick connecting pipe, comprise a connecting tube (1) and two connecting heads of being connected of machine inside and outside with air-conditioning respectively, each connecting head is formed by connecting by a quick female joint (2) be connected with connecting tube (1) and a quick tool joint pin (3) be connected with air-conditioning internal machine or outer machine; Be provided with a sealing locking device in described quick female joint (2), be provided with one in described quick tool joint pin (3) for the opening device of opening encapsulation locking device; Be provided with a through hole (5) in described quick female joint (2), described sealing locking device is located in through hole (5); Described sealing locking device comprises the first Returnning spring (7), an axle sleeve (8) and a push rod (9); Be provided with an axial hole (15) in described quick tool joint pin (3), described opening device is located in a cavity (15.1) of this axial hole (15); Described opening device comprises a valve head (16), a valve rod (17) and a support; It is characterized in that: described sealing locking device also comprises the axle bed (6) be located in through hole (5); Described axle bed (6) is fixed in through hole (5), and described axle bed (6) is provided with multiple axial bore (10); One end of described push rod (9) is fixedly connected with axle bed (6), and the other end of described push rod (9) is provided with a push rod head (11); Push rod (9) between described push rod head (11) and axle bed (6) is socketed successively the first Returnning spring (7) and axle sleeve (8), described axle sleeve (8) is slidably fitted in through hole (5), and one end of described axle sleeve (8) can offset to seal with push rod head (11); Quick female joint (2) inwall near push rod head (11) is provided with internal thread (13); Described support is connected in sequence by front supporting plate (18), the second Returnning spring (19), rear supporting plate (20); One end of described valve head (16) and one end of cavity (15.1) offset; The other end of described valve head (16) is connected with valve rod (17); Described valve rod (17) is successively through front supporting plate (18), the second Returnning spring (19), rear supporting plate (20); Away from being also provided with a tubaeform copper cap (21) in the axial hole (15) of valve head (16); The described quick tool joint pin (3) near valve head (16) can offset to seal with push rod head (11); Described valve head (16), front supporting plate (18) are slidably fitted in cavity (15.1); Described quick tool joint pin (3) outer wall near valve head (16) is provided with outside thread (22), and described outside thread (22) is threaded with internal thread (13).
2. air-conditioning internal-external machine quick connecting pipe according to claim 1, it is characterized in that: described connecting tube (1) comprises two sections of copper connecting tubes (1.1) and one section of aluminum alloy connecting tube (1.2), one end of described two sections of copper connecting tubes (1.1) is tightly connected with two quick female joints (2) respectively, and the other end of described two sections of copper connecting tubes (1.1) is tightly connected with the two ends of aluminum alloy connecting tube (1.2) respectively.
3. air-conditioning internal-external machine quick connecting pipe according to claim 2, is characterized in that: described aluminum alloy connecting tube (1.2) is the aluminum alloy connecting tube (1.2) of 3003 materials.
4. air-conditioning internal-external machine quick connecting pipe according to claim 2, it is characterized in that: described two sections of copper connecting tubes (1.1) are socketed with a spring (4) respectively with connecting sewing (1.3) place of aluminum alloy connecting tube (1.2), and the two ends of described spring (4) are separately fixed on copper connecting tube (1.1) and aluminum alloy connecting tube (1.2).
5. air-conditioning internal-external machine quick connecting pipe according to claim 1, is characterized in that: the two ends, left and right on described axle sleeve (8) periphery are all socketed with a ○-shaped seal ring (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310672372.4A CN103629465B (en) | 2013-12-10 | 2013-12-10 | Air-conditioning internal-external machine quick connecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310672372.4A CN103629465B (en) | 2013-12-10 | 2013-12-10 | Air-conditioning internal-external machine quick connecting pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103629465A CN103629465A (en) | 2014-03-12 |
| CN103629465B true CN103629465B (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310672372.4A Active CN103629465B (en) | 2013-12-10 | 2013-12-10 | Air-conditioning internal-external machine quick connecting pipe |
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| CN (1) | CN103629465B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266833A (en) * | 2018-03-19 | 2018-07-10 | 蚌埠市思洁节能科技有限公司 | The device for preventing leakage of air-conditioning refrigerant |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203614975U (en) * | 2013-12-10 | 2014-05-28 | 宁波市鄞州恒星空调配件厂 | Quick connecting pipe of internal unit and external unit of air conditioner |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3154990B2 (en) * | 1999-04-01 | 2001-04-09 | 松下電器産業株式会社 | Connection device for air conditioner construction, filling container, recovery container, construction method of air conditioner, replacement gas filling container for air conditioner construction, replacement gas recovery container for air conditioner construction, and air conditioner Construction equipment |
| CN2584995Y (en) * | 2002-12-06 | 2003-11-05 | 广东美的集团股份有限公司 | Hose for connecting indoor unit and outdoor unit of air conditioner |
| CN201170407Y (en) * | 2008-01-29 | 2008-12-24 | 周纪昌 | Novel split type quick joint for air conditioner |
| CN201582517U (en) * | 2009-12-31 | 2010-09-15 | 黄景灿 | Fast joint applied in air conditioning system |
| 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 |
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2013
- 2013-12-10 CN CN201310672372.4A patent/CN103629465B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203614975U (en) * | 2013-12-10 | 2014-05-28 | 宁波市鄞州恒星空调配件厂 | Quick connecting pipe of internal unit and external unit of air conditioner |
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| CN103629465A (en) | 2014-03-12 |
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