CN106287034B - A kind of anti-disassembling connecting pipe component, sealing fastening method and air conditioner - Google Patents
A kind of anti-disassembling connecting pipe component, sealing fastening method and air conditioner Download PDFInfo
- Publication number
- CN106287034B CN106287034B CN201610683933.4A CN201610683933A CN106287034B CN 106287034 B CN106287034 B CN 106287034B CN 201610683933 A CN201610683933 A CN 201610683933A CN 106287034 B CN106287034 B CN 106287034B
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- China
- Prior art keywords
- mantle fiber
- nut
- screw thread
- tube body
- thrust
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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
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/08—Screw-threaded joints; Forms of screw-threads for such joints with supplementary elements
-
- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
Abstract
The invention discloses a kind of anti-disassembling connecting pipe component, sealing fastening method and air conditioners, anti-disassembling connecting pipe component includes connection tube body and mantle fiber nut, the connection tube body includes attachment cap and connecting rod, the inside of the attachment cap is equipped with fastening internal screw thread, outside is circle, is equipped with mantle fiber external screw thread on the outside of the connecting rod；The mantle fiber internal screw thread to match with the mantle fiber external screw thread is equipped on the inside of the mantle fiber nut.After the connecting rod that mantle fiber nut is fixed to connection tube body, the end face of mantle fiber nut is contacted with the end face of attachment cap, and the torsion on such mantle fiber nut can be for delivery to connecting tube ontology, so that connection tube body is rotated and is installed in matched pipe fitting；Outside by the way that attachment cap is arranged is circle, and connection tube body does not have a clamping face, and the torsion that clamping device provides cannot directly apply, and also allowing for the connection tube body fastened and pipe fitting cannot be disassembled, and realizes Anti-dismantling connection and simple to operate.
Description
Technical field
The present invention relates to air-conditioning technical field more particularly to a kind of tampers that the air conditioner using combustible refrigerant uses
Unload connecting pipe component, the sealing fastening method of anti-disassembling connecting pipe component and the air-conditioning with the anti-disassembling connecting pipe component
Device.
Background technique
Currently, the split air conditioner indoor of common working medium is all to connect steaming with the mode of union nut using pipe fitting
Send out device and connecting tube.And in EN60335-2-40 standard require using combustible refrigerant air conditioner chamber on the inside of do not allow using
Dismountable connection structure, in order to solve this problem, at present solution be directly by the evaporator of indoor and connecting tube into
Row welding, outside are attached using quick coupling mode or using traditional tube assembly connection type, although can satisfy
The requirement of standard and safety, but by indoor by the way of welding, then it needs to equip using using Mobile welding, carry
Inconvenience increases installation burden to installation personnel, and indoor welding is not susceptible to user acceptance；And installation after sale is by connecting tube
Limitation, product use scope further decreases.In addition, as use rapid connector component higher cost, directly result in air-conditioning at
This height keeps product advantage in cost unobvious.
Summary of the invention
The present invention provides a kind of anti-disassembling connecting pipe component for the above-mentioned problems in the prior art, realizes pipe
Anti-dismantling connection between part.
For achieving the above object, the present invention, which adopts the following technical solutions, is achieved:
A kind of anti-disassembling connecting pipe component, comprising:
Tube body is connected, the connection tube body is hollow structure, and the connection tube body includes attachment cap and connecting rod,
The inside of the attachment cap is equipped with fastening internal screw thread, outside is circle, is equipped with mantle fiber external screw thread on the outside of the connecting rod；
Mantle fiber nut, the mantle fiber nut inside are equipped with the mantle fiber internal screw thread to match with the mantle fiber external screw thread.
Further, the mantle fiber nut includes mantle fiber cap and sleeve screw rod, and the outside of the sleeve screw rod is equipped with the outer spiral shell of thrust
Line；The anti-disassembling connecting pipe component further includes thrust nut, is equipped with and the thrust external screw thread phase on the inside of the thrust nut
Matched thrust internal screw thread, its outside are equipped at least a pair of opposite clamping plane.
Further, the anti-disassembling connecting pipe component further includes pipe fitting, the pipe fitting have in the fastening
The fastening external screw thread that screw thread matches, the pipe fitting are equipped at least a pair of opposite clamping plane.
Further, the first gasket is equipped between the connection tube body and mantle fiber nut.
Further, first gasket is the check washer with predeformation.
Further, the second soft gasket is equipped between the mantle fiber nut and thrust nut.
Further, second gasket is teflon gasket.
Further, the outside of the mantle fiber cap is circle.
Further, the mantle fiber external screw thread and mantle fiber internal screw thread are fine thread.
Further, the thrust external screw thread and thrust internal screw thread are coarse thread.
Based on above-mentioned anti-disassembling connecting pipe component, the present invention also provides a kind of air conditioners, connect with above-mentioned Anti-dismantling
Adapter tube component solves and needs site welding using the connecting pipe component on the inside of combustible refrigerant air conditioner chamber in the prior art
It connects, the problem of attended operation inconvenience is welded without scene, can easily realize that Anti-dismantling connects.
A kind of air conditioner, the above-mentioned anti-disassembling connecting pipe including the two sections of pipelines in pipe for flowing of refrigerant road and sealed connection
Component.
Based on above-mentioned anti-disassembling connecting pipe component, the present invention also provides a kind of the close of above-mentioned anti-disassembling connecting pipe component
It is tamping solid method, the anti-disassembling connecting pipe component includes the following steps: for being tightly connected two sections of pipelines
A, the connection tube body, mantle fiber nut and thrust nut are assembled into one, and are sleeved on end with flange
One section of pipeline on；Another section of pipeline sealing is fixed on pipe fitting；
B, the outer fastening thread of the interior fastening thread of the connection tube body and the pipe fitting is cooperated, by giving
The certain torsion of the clamping face of thrust nut is stated, thrust nut movement first in place, drives the movement of mantle fiber nut in place, most later
After drive the connection tube body and the pipe fitting is screwed and tightened in place.
Compared with prior art, the advantages and positive effects of the present invention are: the connection tube body includes attachment cap and company
Extension bar is equipped with fastening internal screw thread in the inside of the attachment cap, is equipped with mantle fiber external screw thread on the outside of the connecting rod；In this way in mantle fiber
After nut is fixed to the connecting rod of connection tube body, the end face of mantle fiber nut is contacted with the end face of attachment cap, such mantle fiber nut
On torsion can provide the torsion needed when installation for connection tube body for delivery to connecting tube ontology so that connection tube body
It rotates and is installed in matched pipe fitting；Outside by the way that attachment cap is arranged is circle, and connection tube body in this way does not have
There is clamping face, the torsion that clamping device provides cannot be applied directly on connection tube body, also allow for the connection fastened
Tube body and pipe fitting cannot be disassembled, realize Anti-dismantling connection and it is simple to operate.
After a specific embodiment of the invention is read in conjunction with the figure, the other features and advantages of the invention will become more clear
Chu.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of anti-disassembling connecting pipe component proposed by the invention；
Fig. 2 is the structural schematic diagram in Fig. 1 after each component assembling；
Fig. 3 is the enlarged structure schematic diagram that tube body is connected in Fig. 1；
Fig. 4 is the enlarged structure schematic diagram of the first gasket in Fig. 1；
Fig. 5 is the enlarged structure schematic diagram of mantle fiber nut in Fig. 1；
Fig. 6 is the enlarged structure schematic diagram of the second gasket in Fig. 1；
Fig. 7 is the enlarged structure schematic diagram of thrust nut in Fig. 1；
Fig. 8 is the structural schematic diagram that pipe fitting is connect with structure in Fig. 2；
Fig. 9 is schematic view of the front view in Fig. 8.
Specific embodiment
A specific embodiment of the invention is described in detail with reference to the accompanying drawing.
In the description of invention, it should be noted that the orientation or position of the instructions such as term "inner", "outside", "left", "right"
Relationship is positional relationship based on the figure, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
- Fig. 9 refering to fig. 1, is one embodiment of anti-disassembling connecting pipe component proposed by the invention, in the present embodiment
Anti-disassembling connecting pipe component is mainly used in the indoor connecting tube and the connection of indoor unit of combustible refrigerant air conditioner, uses
Connecting pipe component in the present embodiment realizes that the Anti-dismantling between indoor evaporator and connecting tube connects, and makes it not only can be with
Meet the needs of EN60335-2-40 standard but also effectively avoids being fixedly connected by the way of welding, it is inconvenient
It the problems such as cannot receive with for user, can simply and easily realize that Anti-dismantling connects.
Specifically, anti-disassembling connecting pipe component includes connection tube body 1 and mantle fiber nut 2, wherein connecting tube body 1 is
Hollow structure, connection tube body 1 include attachment cap 11 and connecting rod 12, are equipped with fastening internal screw thread 13 in the inside of attachment cap 11,
The outside of attachment cap 11 is circle, or perhaps the outside of the cross section of attachment cap 11 is circle, is equipped on the outside of connecting rod 12
Mantle fiber external screw thread.Mantle fiber nut 2 is sleeved on the outside of connecting rod 12, and on the inside of mantle fiber nut 2 be equipped with in connecting rod 12
The mantle fiber internal screw thread 23 that mantle fiber external screw thread matches.
It include attachment cap 11 and connecting rod 12 by setting connection tube body 1, in the inside of attachment cap 11 in the present embodiment
Equipped with fastening internal screw thread 13, mantle fiber external screw thread is equipped on the outside of connecting rod 12；Connection tube body is fixed in mantle fiber nut 2 in this way
After 1 connecting rod 12, the end face of mantle fiber nut 2 can be contacted with the end face of attachment cap 11, and the torsion on such mantle fiber nut 2 can
For delivery to connection tube body 1, the torsion needed when installation is provided for connection tube body 1, so that connection tube body 1 rotates and pacifies
It is attached in matched pipe fitting；And the outside by setting attachment cap 11 is circle, and connection tube body 1 in this way does not have
Clamping face, that is, the torsion that clamping device provides cannot be applied directly on connection tube body 1, so that fastened
Connection tube body and pipe fitting cannot be disassembled, realize Anti-dismantling connection and it is simple to operate.
In the present embodiment, referring to shown in Fig. 1 and Fig. 5, mantle fiber nut 2 includes mantle fiber cap 21 and sleeve screw rod 22, in sleeve screw rod
22 outside is equipped with thrust external screw thread.Anti-disassembling connecting pipe component further includes thrust nut 3, and thrust nut 3 is sleeved on sleeve screw rod
On 22, the thrust internal screw thread 31 to match with the thrust external screw thread on sleeve screw rod 22 is equipped on the inside of thrust nut 3, in thrust spiral shell
3 outside of mother is equipped at least a pair of opposite clamping plane.It is preferred that thrust nut 3 is hex nut.
In the present embodiment, connection tube body 1, mantle fiber nut 2, fastening nut 3 are successively set with, and are clamped in by clamping device
In the clamping plane of thrust nut 3, it can give fastening nut 3 biggish torsion, so that fastening nut 3 is rotated along sleeve screw rod 22
And move in place, fastening nut 3 is screwed with mantle fiber nut 2, and fastening nut 3 moves to mantle fiber cap 21 at this time, is applied to thrust spiral shell
Torsion on mother 3 can be for delivery to mantle fiber nut 2, and then drives mantle fiber nut 2 to rotate in connecting rod 12 and move in place, set
Silk nut 2 is screwed with tube body 1 is connect；Torsion can be for delivery to connecting tube ontology 1 at this time, and then connection tube body 1 is driven to revolve
Turn be installed in place, at this time fastening nut 3, mantle fiber nut 2, connection tube body 1 between have certain pressing force.Mantle fiber cap 21
Outside is circle, that is, the not clamping plane of clamping device, accordingly even when giving fastening nut 3 reversed torsion, also only
It is to dismantle fastening nut 3 from sleeve screw rod 22, connecting tube body 1 and mantle fiber nut 2 cannot be disassembled, mantle fiber nut 2 and company
It between adapter tube ontology 1 or is fitted close, mantle fiber nut 2 has certain pressing force with tube body 1 is connect, and is conducive to increase in this way
Compactness and fastness after adding connection tube body 1 fixed, avoid the leakage of connecting line.
In other embodiments, it can be not provided with thrust nut 3, and set conventional hexagonal nut for mantle fiber nut 2, passed through
Clamping device gives mantle fiber nut torsion, so that mantle fiber nut is fastened with tube body 1 is connect, and further applies torsion, drives
The rotation of connection tube body 1 is installed and is fastened in place；When giving the reversed torsion of mantle fiber nut, mantle fiber nut with connect this
Relative rotation between body, so that mantle fiber nut is dismantled from connection ontology, but cannot be by connection tube body disassembly.
In the present embodiment, referring to shown in Fig. 8 and Fig. 9, anti-disassembling connecting pipe component further includes pipe fitting 8, and pipe fitting 8 has
The fastening external screw thread 81 to match with the fastening internal screw thread 13 for connecting tube body 1, and have at least a pair opposite in pipe fitting 8
Clamping plane.When two copper pipe fittings connect, one of copper pipe fitting passes through connection tube body, and flange is located at connecting tube
At necking face 14 in ontology 1, another copper pipe fitting is fixed on pipe fitting 8, in this way by pipe fitting 8 with connect tube body 1
Screw fastening, flange compression is sealed on necking face 14 by the end face of pipe fitting 8, realizes the sealed connection of two copper pipe fittings.
In the present embodiment, referring to shown in Fig. 1 and Fig. 4, the of rigidity is equipped between connection tube body 1 and mantle fiber nut 2
One gasket 4, that is, the first gasket 4 are located between the end face of attachment cap 11 and the end face of mantle fiber cap 1, increase connection tube body 1
After fixation, the tightness between tube body 1 and mantle fiber nut 2 is connected.Being preferably provided with the first gasket 4 is with the locking of predeformation
Metal gasket, in this way during mantle fiber nut 2 is tightened on connection tube body 1, the first gasket 4 is in attachment cap 11 and mantle fiber cap
Predeformation amount is compressed under 1 squeezing action, the elastic force opposite direction of 4 deformation of the first gasket acts on attachment cap 11 and mantle fiber cap 21
Between, play the role of reinforcing fastening, so that the relative motion of the two is limited.
In the present embodiment, the mantle fiber internal screw thread 23 of 2 inside of the mantle fiber external screw thread in 12 outside of connecting rod and mantle fiber nut is
The fine thread to match is conducive to enhance the fastening between connection tube body 1 and mantle fiber nut 2 by the way that fine thread is arranged
Property, improve tightness of the connection tube body 1 with pipe fitting 8 after fixed.
In the present embodiment, referring to shown in Fig. 1 and Fig. 6, soft the is equipped between mantle fiber nut 2 and thrust nut 3
Two gaskets 5, the second gasket 5 are located between the end face of mantle fiber cap 21 and the end face of thrust nut 3；It can by the second gasket 5 of setting
To prevent the mantle fiber cap 21 of mantle fiber nut 2 from contacting with the direct of thrust nut 3, the subtle shape of contact surface when the two directly contacts
Surface tension caused by becoming strengthens the fastening effect of the two, causes the reverse rotation motion of thrust nut 3 that may drive mantle fiber
Nut 2, and mantle fiber nut 2 may be further driven to connection tube body 1, so that pipeline is revealed in junction.It is preferred that setting
The second gasket 5 is set using polytetrafluoroethylene (PTFE) material, polytetrafluoroethylene (PTFE) can weaken the surface tension with contact surface, Yi Jiju significantly
The frictional force very little on tetrafluoroethene surface can play certain lubricating action, so that thrust nut 3 is reversely being turned round
When power, it can be loosened relative to mantle fiber nut 2, not drive other component.
In the present embodiment, spiral shell in the thrust of 3 inside of thrust external screw thread and thrust nut on the sleeve screw rod 22 of mantle fiber nut 2
Line 31 is coarse thread, advantageously ensures that spiral shell in the thrust of 3 inside of thrust external screw thread and thrust nut on sleeve screw rod 22 in this way
The transmitting that line 31 primarily serves torsion acts on and weakens the fastening effect of screw thread.
Referring to the sealing fastening method for shown in Fig. 1-Fig. 9, illustrating anti-disassembling connecting pipe component in the present embodiment, Anti-dismantling connects
Adapter tube component only indicates the pipeline 10 fixed with connector 8, including following steps for being tightly connected two sections of pipelines in figure
It is rapid:
A, connection tube body 1, mantle fiber nut 2 and thrust nut 3 are assembled into one, and are sleeved on end with flange
On one section of pipeline；Another section of sealing of pipeline 10 is fixed on pipe fitting 8.
Specifically, connection tube body 1, mantle fiber nut 2 and thrust nut 3 are assembled into one, certain first gasket 4 and second
Gasket 5 is also assembled in one piece, does not have pressing force between each component at this time.By another section of 10 sealing welding of pipeline on pipe fitting 8.
B, the outer fastening thread 81 of the interior fastening thread 13 for connecting tube body 1 and pipe fitting 8 is cooperated, by giving thrust
The certain torsion of the clamping face of nut 3, first thrust nut 3 move in place, drive the movement of mantle fiber nut 2 later in place, finally
It drives connection tube body 1 to screw with pipe fitting 8 to tighten.
Specifically, another clamping device is pressed from both sides by a clamping device to be clamped in the clamping plane of thrust nut 3
It holds in the clamping plane on pipe fitting 8, the torsion screwed later by giving thrust nut 3, so that thrust nut 3 screws
It on mantle fiber nut 2, and moves downward in place, so that the second gasket between the end face of thrust nut 3 and the end face of mantle fiber cap 21
It is under pressure；Continuing to give thrust nut 3 torsion later, thrust nut 3 drives mantle fiber nut 2 to screw, and moves downward in place,
So that the first gasket 4 deformation between mantle fiber cap 21 and attachment cap 11 is under pressure；Continue to give thrust nut 3 torsion later,
Thrust nut 3 drives mantle fiber nut 2 and connection tube body 1 to move, so that connection tube body 1 screws on pipe fitting 8, and twists
Tightly, so that flange compression is sealed on necking face 14 by the end face of pipe fitting 8, the sealed connection of two copper pipe fittings is realized.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than is limited；Although referring to aforementioned reality
Applying example, invention is explained in detail, for those of ordinary skill in the art, still can be to aforementioned implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these are modified or replace
It changes, the spirit and scope for claimed technical solution of the invention that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. a kind of anti-disassembling connecting pipe component characterized by comprising
Tube body is connected, the connection tube body is hollow structure, and the connection tube body includes attachment cap and connecting rod, described
The inside of attachment cap is equipped with fastening internal screw thread, outside is circle, is equipped with mantle fiber external screw thread on the outside of the connecting rod；
Mantle fiber nut, the mantle fiber nut inside are equipped with the mantle fiber internal screw thread to match with the mantle fiber external screw thread；The mantle fiber
Nut includes mantle fiber cap and sleeve screw rod, and the outside of the sleeve screw rod is equipped with thrust external screw thread, and the outside of the mantle fiber cap is circle；
The anti-disassembling connecting pipe component further includes thrust nut, is equipped with and the thrust external screw thread phase on the inside of the thrust nut
Matched thrust internal screw thread；
The mantle fiber external screw thread and mantle fiber internal screw thread are fine thread, and the thrust external screw thread and thrust internal screw thread are coarse thread spiral shell
Line；The second soft gasket is equipped between the mantle fiber nut and thrust nut.
2. anti-disassembling connecting pipe component according to claim 1, which is characterized in that be equipped at least on the outside of the thrust nut
A pair of opposite clamping plane.
3. anti-disassembling connecting pipe component according to claim 2, which is characterized in that the anti-disassembling connecting pipe component also wraps
Pipe fitting is included, the pipe fitting has the fastening external screw thread to match with the fastening internal screw thread, and the pipe fitting is equipped at least
A pair of opposite clamping plane.
4. anti-disassembling connecting pipe component according to any one of claims 1 to 3, which is characterized in that the connection tube body
The first gasket is equipped between mantle fiber nut.
5. anti-disassembling connecting pipe component according to claim 4, which is characterized in that first gasket is with predeformation
Check washer.
6. a kind of air conditioner, which is characterized in that the claim including the two sections of pipelines in pipe for flowing of refrigerant road and sealed connection
1 to 5 described in any item anti-disassembling connecting pipe components.
7. a kind of sealing fastening method of anti-disassembling connecting pipe component as claimed in claim 3, the anti-disassembling connecting pipe component
For being tightly connected two sections of pipelines, include the following steps:
A, the connection tube body, mantle fiber nut and thrust nut are assembled into one, and are sleeved on end has flange one
On Duan Guanlu；Another section of pipeline sealing is fixed on pipe fitting；
B, the outer fastening thread of the interior fastening thread of the connection tube body and the pipe fitting is cooperated, by giving described push away
The certain torsion of the clamping face of power nut, first thrust nut move in place, drive the movement of mantle fiber nut later in place, last band
It moves the connection tube body and the pipe fitting is screwed and tightened in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610683933.4A CN106287034B (en) | 2016-08-18 | 2016-08-18 | A kind of anti-disassembling connecting pipe component, sealing fastening method and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610683933.4A CN106287034B (en) | 2016-08-18 | 2016-08-18 | A kind of anti-disassembling connecting pipe component, sealing fastening method and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106287034A CN106287034A (en) | 2017-01-04 |
| CN106287034B true CN106287034B (en) | 2019-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610683933.4A Active CN106287034B (en) | 2016-08-18 | 2016-08-18 | A kind of anti-disassembling connecting pipe component, sealing fastening method and air conditioner |
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| CN (1) | CN106287034B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107631110B (en) * | 2017-10-18 | 2023-08-01 | 台州市路桥振兴机械有限公司 | Nut assembly and connecting method thereof |
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| CN105402517A (en) * | 2015-12-18 | 2016-03-16 | Tcl空调器(中山)有限公司 | Air conditioner connecting pipe assembly and air conditioner |
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| CN205896468U (en) * | 2016-08-18 | 2017-01-18 | 海信（山东）空调有限公司 | Anti -disassembly connecting pipe subassembly and air conditioner |
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| AU6598286A (en) * | 1986-07-07 | 1988-01-29 | Howeth, D.F. | Fluid coupling construction for non-pressure balanced fluid conducting swivel joints |
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| CN103672223A (en) * | 2012-09-04 | 2014-03-26 | 珠海格力电器股份有限公司 | Anti-disassembly pipe connection assembly, device, air conditioner and method |
| CN103672224A (en) * | 2012-09-26 | 2014-03-26 | 珠海格力电器股份有限公司 | Pipeline connection assembly and air conditioner with same |
| CN105020235A (en) * | 2015-07-10 | 2015-11-04 | 上海三菱电机·上菱空调机电器有限公司 | Disassembly-preventing connection pipe nut, connection pipe nut assembly, air conditioner and method for preventing disassembly for connection pipe nut |
| CN105402517A (en) * | 2015-12-18 | 2016-03-16 | Tcl空调器(中山)有限公司 | Air conditioner connecting pipe assembly and air conditioner |
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| CN106287034A (en) | 2017-01-04 |
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| CB02 | Change of applicant information |
Address after: 266736 Hisense Road 1, South Village Town, Pingdu City, Qingdao, Shandong Applicant after: Hisense (Shandong) Air-conditioning Co., Ltd. Address before: 266100 Zhuzhou Road, Laoshan District, Qingdao, Shandong Province, No. 151 Applicant before: Hisense (Shandong) Air-conditioning Co., Ltd. |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 266100 Zhuzhou Road, Laoshan District, Qingdao, Shandong Province, No. 151 Applicant after: Hisense (Shandong) Air-conditioning Co., Ltd. Address before: 266736 Hisense Road 1, South Village Town, Pingdu City, Qingdao, Shandong Applicant before: Hisense (Shandong) Air-conditioning Co., Ltd. |
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| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |