CN203404511U - Air conditioner and disassembly-preventing pipe connecting device - Google Patents
Air conditioner and disassembly-preventing pipe connecting device Download PDFInfo
- Publication number
- CN203404511U CN203404511U CN201320443853.3U CN201320443853U CN203404511U CN 203404511 U CN203404511 U CN 203404511U CN 201320443853 U CN201320443853 U CN 201320443853U CN 203404511 U CN203404511 U CN 203404511U
- Authority
- CN
- China
- Prior art keywords
- section
- pipe
- connecting device
- union nut
- elastic buckle
- 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.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model provides a disassembly-preventing pipe connecting device which comprises a disassembly-preventing pipe connector component used for connecting two connecting pipes. The disassembly-preventing pipe connector component comprises a pipe connector and a pipe connecting nut, wherein the pipe connector is connected with one end portion of the second connecting pipe, and the pipe connecting nut is locked with the pipe connector to enable one end portion of the first connecting pipe to be fixed to the pipe connecting nut. The pipe connector is provided with a first outer hexagonal section, an outer threaded section and an elastic buckling section connected into the pipe connecting nut in a clamped mode in sequence in the axial direction of the pipe connector, a plurality of inverted-buckling clamping jaws capable of being elastically folded are formed on the elastic buckling section, and the tail end of each inverted-buckling clamping jaw extend outwards to form a non-return wall which is clamped into the inner surface of the pipe connecting nut. Under the action of the non-return wall of the pipe connecting nut, the disassembly-preventing pipe connecting device cannot be disassembled even through the pipe connector or the pipe connecting nut is screwed anticlockwise. Mistake disassembly is avoided, refrigerant leakage of an air conditioner is avoided, and life safety and property safety of a user are ensured. The utility model further provides the air conditioner with the disassembly-preventing pipe connecting device applied.
Description
Technical field
The utility model belongs to air-conditioning duct interconnection technique field, relates in particular to a kind of Anti-dismantling tube connecting device and applies the air conditioner of this Anti-dismantling tube connecting device.
Background technique
At present, the indoor side of Domestic separating air conditioner is all to use the mode of pipe joint and auxiliary nut to be connected the pipeline of vaporizer and outdoor unit.The outer surface of existing auxiliary nut is prismatic surface, there is application of force tangent plane, pipe joint is generally integral type pipe joint, mainly by thread section and prism section two-part, formed, when prism section is applied to clockwise moment, thread section rotates together with prism section, can closely cooperate with auxiliary nut, forms sealing surface.But, when prism section is applied to anticlockwise moment, drive also thread section to rotate together simultaneously, therefore, pipe joint can unclamp with coordinating of auxiliary nut, thereby, between pipe joint and auxiliary nut, there is dismountable possibility, can produce the hidden danger of missing dismounting and causing coolant leakage.
In EN60335-2-40 and GB4706.32-2012 standard, require to use the air conditioner chamber inner side of combustible refrigerant not allow to reuse detachable connector, this is because being connected between existing pipe joint and auxiliary nut has detachability, between pipe joint and auxiliary nut, can cause mistake dismounting, and then cause security incident.
In order to solve the non-compliant problem of demountable tube joint, available technology adopting vaporizer take over and outdoor unit adopts the mode of welding to connect between taking over.Though welding meets standard, but welding makes the attended operation of vaporizer and adapter complicated, also has certain risk and trouble at the indoor weld job that carries out of client simultaneously.
Model utility content
The utility model embodiment's object is to provide a kind of Anti-dismantling tube connecting device, is intended to solve the possibility that has mistake dismounting between prior art air conditioner pipe joint used and auxiliary nut, and coolant leakage accident easily occurs, and user's life safety is constituted a threat to.
The utility model embodiment realizes like this, a kind of Anti-dismantling tube connecting device, it comprises the first connecting tube, the second connecting tube and connect the Anti-detachable pipe connector assembly of described the first connecting tube and described the second connecting tube, described Anti-detachable pipe connector assembly comprises the pipe joint that is connected with an end of described the second connecting tube and sealed with by the fixing union nut therebetween in an end of described the first connecting tube with described pipe joint, described pipe joint is disposed with and uses the first outer-hexagonal section screwing for instrument along its axial direction, with the sealed external thread section of described union nut and be connected in the Elastic buckle section in described union nut, described Elastic buckle section is formed with the some back-off claws that can elasticity draw in, the end of each back-off claw extends outwardly and is formed with non-return wall, described non-return wall is stuck in the internal surface of described union nut.
Further, between the adjacent back-off claw of described Elastic buckle section, be formed with a slit.
Further, the root of described Elastic buckle section is arranged with one first seal ring, and described the first seal ring elastic clip is placed between described Elastic buckle section and the internal surface of described union nut.
Further, the root periphery of described Elastic buckle section offers annular groove, and described the first seal ring is placed in described annular groove.
Further, described union nut comprises to be used the second outer-hexagonal section of screwing for instrument, is formed at the internal thread segment at described the second outer-hexagonal section middle part and is connected in the pipe section in described the second outer-hexagonal section, the outside thread of the internal thread of described internal thread segment and the external thread section of described pipe joint locks together, the internal surface of described pipe section offers draw-in groove, and the non-return wall of described back-off claw is stuck in described draw-in groove.
Further, described union nut also comprises the Taper Pipe section that is connected in described pipe section, and the end of described the first connecting tube is provided with gradually wide joint of opening, and described joint is folded between the end and described Taper Pipe section of described Elastic buckle section.
Further, be formed with one first conical surface in described Taper Pipe section, the end of described Elastic buckle section is formed with second conical surface, and described joint is folded between described first conical surface and described second conical surface.
Further, between the end of described Elastic buckle section and described joint or between described joint and described Taper Pipe section, be formed with the second seal ring.
Further, an end of described the second connecting tube is welded in described pipe joint.
Another object of the utility model embodiment is to provide a kind of air conditioner, and it comprises indoor set, outdoor unit and above-mentioned Anti-dismantling tube connecting device, and described the first connecting tube is connected on described outdoor unit, and described the second connecting tube is connected on described indoor set.
Pipe joint is in locking union nut process, the inside elasticity of some back-off claws of Elastic buckle section draws in and stretches in union nut, when pipe joint and union nut screw when hearing the sound of " click " of back-off claw resilience, the non-return wall of back-off claw is stuck in the internal surface of union nut, now, pipe joint and union nut is in place.After back-off claw puts in place, under the non-return wall effect on union nut, even if turn counterclockwise pipe joint or union nut, Anti-dismantling tube connecting device also cannot disassemble.By using Anti-dismantling tube connecting device described in the utility model, once pipe joint and union nut just cannot be dismantled after installing, avoid occurring the thing of mistake dismounting, avoid the coolant leakage of air conditioner, guaranteed user's life and property safety.
Accompanying drawing explanation
Fig. 1 is the sectional structure chart of the Anti-dismantling tube connecting device that provides of the utility model embodiment.
Fig. 2 is the three-dimensional structure diagram of pipe joint of the Anti-dismantling tube connecting device of Fig. 1.
Fig. 3 is the sectional view of the pipe joint of Fig. 2.
Fig. 4 is the three-dimensional structure diagram of union nut of the Anti-dismantling tube connecting device of Fig. 1.
Fig. 5 is the sectional view of the union nut of Fig. 4.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1 to Fig. 3, the Anti-dismantling tube connecting device 10 that the utility model embodiment provides comprises the first connecting tube 20, the second connecting tube 30 and connects the Anti-detachable pipe connector assembly 40 of described the first connecting tube 20 and described the second connecting tube 30.
Described Anti-detachable pipe connector assembly 40 comprises the pipe joint 50 that is connected with an end 31 of described the second connecting tube 30 and sealed with by a fixing union nut 60 therebetween in end 21 of described the first connecting tube 20 with described pipe joint 50.
Described pipe joint 50 is disposed with along its axial direction and uses the first outer-hexagonal section 51 of screwing for instrument, with the sealed external thread section 52 of described union nut 60 and be connected in the Elastic buckle section 53 in described union nut 60.Described Elastic buckle section 53 is formed with the some back-off claws 54 that can elasticity draw in.The end of each back-off claw 54 extends outwardly and is formed with non-return wall 55.Described non-return wall 55 is stuck in the internal surface of described union nut 60.
Between the adjacent back-off claw 54 of described Elastic buckle section 53, be formed with a slit 56.When Practical manufacturing, by offering described slit 56 in Elastic buckle section 53 along its axial direction, some slits 56 were upwards arranged in the week of Elastic buckle section 53, thereby formed some back-off claws 54.In the present embodiment, the quantity of back-off claw 54 is four, in other embodiments, as long as the quantity of back-off claw 54 is more than or equal to two.
Further, the root of described Elastic buckle section 53 is arranged with one first seal ring 70, and described the first seal ring 70 elastic clips are placed between described Elastic buckle section 53 and the internal surface of described union nut 60, can prevent that refrigeration agent from passing through slit 56 and leaking.
Particularly, the root periphery of described Elastic buckle section 53 offers annular groove 57, and described the first seal ring 70 is placed in described annular groove 57.Some protrudes out the periphery of the first seal ring 70 outside annular groove 57.In the present embodiment, described the first seal ring 70 is O type circle.
Please refer to Fig. 4 and Fig. 5, described union nut 60 comprises to be used the second outer-hexagonal section 61 of screwing for instrument, is formed at the internal thread segment 62 at described the second outer-hexagonal section 61 middle parts and is connected in the pipe section 63 in described the second outer-hexagonal section 61.The outside thread of the external thread section 52 of the internal thread of described internal thread segment 62 and described pipe joint 50 locks together.The internal surface of described pipe section 63 offers draw-in groove 64, and the non-return wall 55 of described back-off claw 54 is stuck in described draw-in groove 64.
Further, described union nut 60 also comprises the Taper Pipe section 65 that is connected in described pipe section 63, the end 21 of described the first connecting tube 20 is provided with gradually wide joint 22 of opening, and described joint 22 is folded between the end and described Taper Pipe section 65 of described Elastic buckle section 53.
In described Taper Pipe section 65, be formed with one first conical surface 66, the end of described Elastic buckle section 53 is formed with second conical surface 58, and described joint 22 is folded between described first conical surface 66 and described second conical surface 58.
Further, between the end of described Elastic buckle section 53 and the joint 22 of described the first connecting tube 20 or between described joint 22 and described Taper Pipe section 65, be formed with the second seal ring 80.In the present embodiment, the second seal ring 80 is between described Taper Pipe section 65 and described joint 22.
In the present embodiment, an end 31 of described the second connecting tube 30 is welded in described pipe joint 50.In other embodiments, an end 31 of described the second connecting tube 30 can be connected in pipe joint 50 by other means, for example, by interference fit and seal ring, realizes.
In the installation process of above-mentioned Anti-dismantling tube connecting device 10, one end 31 of the second connecting tube 30 is welded in described pipe joint 50, the first connecting tube 20 is penetrated to union nut 60 by the second outer-hexagonal section 61, and the joint of the first connecting tube 20 22 is placed in to the Taper Pipe section 65 of union nut 60.Then, the Elastic buckle section 53 of pipe joint is stretched in union nut 60, re-use screwing tool and act on respectively the first outer-hexagonal section 51 of pipe joint 50 and the second outer-hexagonal section 61 of union nut 60, now, the external thread section 52 of pipe joint 50 locks together with the internal thread segment 62 of union nut 60, in sealed process, the inside elasticity of back-off claw 54 of Elastic buckle section 53 is drawn in, simultaneously the non-return wall 55 of each back-off claw 54 slips over the pipe section 63 of union nut 60 and snaps in the draw-in groove 64 on the internal surface of pipe section 63, the first seal ring 70 is clamped between described Elastic buckle section 53 and the internal surface of described union nut 60, now pipe joint 50 completes with union nut 60 is sealed, the end of Elastic buckle section 53 is pressed in the joint of the first connecting tube 20 22 and the second seal ring 80 in the Taper Pipe section 65 of union nut 60.
When operator's misoperation, while utilizing screwing tool reversing tube joint 50 with union nut 60, under the effect of the non-return wall 55 of back-off claw 54, the dismounting of pipe joint 50 and union nut 60 nuts is become impossible, thoroughly avoid occurring the thing of mistake dismounting, avoid the coolant leakage of air conditioner, guaranteed user's life safety.
Above-mentioned Anti-dismantling tube connecting device 10 is applied in an air conditioner (not shown), wherein, this air conditioner comprises indoor set (not shown), outdoor unit (not shown) and above-mentioned Anti-dismantling tube connecting device 10, described the first connecting tube 20 is connected on described outdoor unit, and described the second connecting tube 30 is connected on described indoor set.The second connecting tube 30 of the indoor set of air conditioner and the first connecting tube 20 of outdoor unit couple together by Anti-dismantling tube connecting device 10, and first connecting tube 20 are non-dismountable connections with the second connecting tube 30, effectively prevent that the phenomenon of leading secondary refrigerant leakage because of mistake dismounting from producing, air conditioner has better Safety performance.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. an Anti-dismantling tube connecting device, it comprises the first connecting tube, the second connecting tube and connect the Anti-detachable pipe connector assembly of described the first connecting tube and described the second connecting tube, described Anti-detachable pipe connector assembly comprises the pipe joint that is connected with an end of described the second connecting tube and sealed with by the fixing union nut therebetween in an end of described the first connecting tube with described pipe joint, it is characterized in that: described pipe joint is disposed with and uses the first outer-hexagonal section screwing for instrument along its axial direction, with the sealed external thread section of described union nut and be connected in the Elastic buckle section in described union nut, described Elastic buckle section is formed with the some back-off claws that can elasticity draw in, the end of each back-off claw extends outwardly and is formed with non-return wall, described non-return wall is stuck in the internal surface of described union nut.
2. Anti-dismantling tube connecting device as claimed in claim 1, is characterized in that: between the adjacent back-off claw of described Elastic buckle section, be formed with a slit.
3. Anti-dismantling tube connecting device as claimed in claim 1, is characterized in that: the root of described Elastic buckle section is arranged with one first seal ring, and described the first seal ring elastic clip is placed between described Elastic buckle section and the internal surface of described union nut.
4. Anti-dismantling tube connecting device as claimed in claim 3, is characterized in that: the root periphery of described Elastic buckle section offers annular groove, and described the first seal ring is placed in described annular groove.
5. the Anti-dismantling tube connecting device as described in claim 1-4 any one, it is characterized in that: described union nut comprises to be used the second outer-hexagonal section of screwing for instrument, be formed at the internal thread segment at described the second outer-hexagonal section middle part and be connected in the pipe section in described the second outer-hexagonal section, the outside thread of the internal thread of described internal thread segment and the external thread section of described pipe joint locks together, the internal surface of described pipe section offers draw-in groove, and the non-return wall of described back-off claw is stuck in described draw-in groove.
6. Anti-dismantling tube connecting device as claimed in claim 5, it is characterized in that: described union nut also comprises the Taper Pipe section that is connected in described pipe section, the end of described the first connecting tube is provided with gradually wide joint of opening, and described joint is folded between the end and described Taper Pipe section of described Elastic buckle section.
7. Anti-dismantling tube connecting device as claimed in claim 6, is characterized in that: in described Taper Pipe section, be formed with one first conical surface, the end of described Elastic buckle section is formed with second conical surface, and described joint is folded between described first conical surface and described second conical surface.
8. Anti-dismantling tube connecting device as claimed in claim 6, is characterized in that: between the end of described Elastic buckle section and described joint or between described joint and described Taper Pipe section, be formed with the second seal ring.
9. the Anti-dismantling tube connecting device as described in claim 1-4 any one, is characterized in that: an end of described the second connecting tube is welded in described pipe joint.
10. an air conditioner, it comprises indoor set and outdoor unit, it is characterized in that: described air conditioner also comprises the Anti-dismantling tube connecting device as described in claim 1-9 any one, and described the first connecting tube is connected on described outdoor unit, and described the second connecting tube is connected on described indoor set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320443853.3U CN203404511U (en) | 2013-07-24 | 2013-07-24 | Air conditioner and disassembly-preventing pipe connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320443853.3U CN203404511U (en) | 2013-07-24 | 2013-07-24 | Air conditioner and disassembly-preventing pipe connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203404511U true CN203404511U (en) | 2014-01-22 |
Family
ID=49940448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320443853.3U Withdrawn - After Issue CN203404511U (en) | 2013-07-24 | 2013-07-24 | Air conditioner and disassembly-preventing pipe connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203404511U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110538A (en) * | 2013-07-24 | 2014-10-22 | 广东美的制冷设备有限公司 | Air conditioner and anti-demounting connecting pipe device |
| 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 |
-
2013
- 2013-07-24 CN CN201320443853.3U patent/CN203404511U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110538A (en) * | 2013-07-24 | 2014-10-22 | 广东美的制冷设备有限公司 | Air conditioner and anti-demounting connecting pipe device |
| CN104110538B (en) * | 2013-07-24 | 2016-03-16 | 广东美的制冷设备有限公司 | Air conditioner and Anti-dismantling tube connecting device |
| 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 |
| CN105402517B (en) * | 2015-12-18 | 2017-11-17 | Tcl空调器(中山)有限公司 | Air conditioner connecting pipe component and air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203453660U (en) | Air conditioner and disassembly preventing pipe connection device | |
| CN203375007U (en) | Air conditioner and anti-disassembly pipe connecting device | |
| CN104110538B (en) | Air conditioner and Anti-dismantling tube connecting device | |
| CN202812532U (en) | Pipeline connecting assembly and air conditioner with same | |
| CN104006244A (en) | Anti-detaching pipe connection device and air conditioner | |
| CN203404511U (en) | Air conditioner and disassembly-preventing pipe connecting device | |
| CN203375011U (en) | Air conditioner and anti-disassembling pipe connecting device | |
| CN107654764A (en) | A kind of easy air-conditioning duct attachment structure | |
| CN103672222B (en) | Split type nut and anti-disassembly connecting device and air conditioner | |
| CN203375008U (en) | Air conditioner and anti-disassembly pipe connecting device | |
| CN104110539B (en) | Air-conditioner and Anti-dismantling pipe connecting device | |
| CN203348763U (en) | Air conditioner and disassembly-resistant pipe connecting device | |
| CN105443905A (en) | Pipeline connecting structure and method | |
| CN203375006U (en) | Air conditioner and anti-disassembly pipe connecting device | |
| CN202629383U (en) | Air-conditioner double-seal joint | |
| CN204127515U (en) | A kind of air-conditioner of engineering machinery pipeline connects novel sealing structure | |
| CN203517102U (en) | Flexible pipe connector | |
| CN203477310U (en) | Inside and outside dual-seal corrugated pipe | |
| CN206246870U (en) | The pipe joint arrangement and component of a kind of air-conditioner, Anti-dismantling | |
| CN104534217A (en) | Union elbow capable of being assembled with adjustable angle | |
| CN203614947U (en) | Engine joint component | |
| CN204127516U (en) | A kind of air-conditioner of engineering machinery pipeline connects sealing configuration | |
| CN203273138U (en) | Fast tee-joint pipe joint | |
| CN203404517U (en) | Air conditioner and disassembly-preventing pipe connecting device | |
| CN203907080U (en) | Undetachable connecting pipe device and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140122 Effective date of abandoning: 20160316 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |