CN103185181B - Air conditioner, anti-detaching pipe joint and assembly - Google Patents
Air conditioner, anti-detaching pipe joint and assembly Download PDFInfo
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- CN103185181B CN103185181B CN201110443081.9A CN201110443081A CN103185181B CN 103185181 B CN103185181 B CN 103185181B CN 201110443081 A CN201110443081 A CN 201110443081A CN 103185181 B CN103185181 B CN 103185181B
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- pipe joint
- nut
- screw thread
- auxiliary nut
- joint body
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Abstract
The invention provides an anti-detaching pipe joint and an assembly. The anti-detaching pipe joint assembly comprises the anti-detaching pipe joint and a pipe connecting nut, wherein the anti-detaching pipe joint comprises an independent pipe joint body and an auxiliary nut; the two ends of the pipe joint body are provided with screw threads; the screw thread at one end is matched with the screw thread of the auxiliary nut; the screw thread at the other end is matched with the screw thread of the pipe connecting nut; the middle of the pipe joint body is further provided with a non-threaded segment; the non-threaded segment is provided with a groove; first wedged teeth are arranged in the groove; and the corresponding end face of the auxiliary nut is provided with second wedged teeth which are meshed with the first wedged teeth. The invention further provides an air conditioner. An evaporator and a connecting pipe of the air conditioner are connected with each other through the anti-detaching pipe joint assembly. Due to the adoption of the anti-detaching pipe joint and the assembly, anti-detaching pipe connecting connection can be realized truly, the problem of cold medium leakage caused by detachment of the conventional pipe joint and pipe connecting nut is solved, and the connection between the joint and the nut is firmer; the after-sales installation and maintenance costs are reduced, and the application range of a combustible refrigerant is expanded; and the anti-detaching pipe joint is easy to install, is simple in structure, and is convenient to process.
Description
[technical field]
The present invention relates to a kind of pipe connecting structure, refer in particular to the tamper-resistant pipe joint being applied in air conditioner.
[background technique]
The detachable air conditioner indoor side of current common working medium all uses pipe joint to be connected vaporizer and connecting tube with the mode of union nut.And use and inside the air conditioner chamber of combustible refrigerant, not allow to use detachable connector, in prior art designs, split air conditioner indoor side when developing directly adopts vaporizer and connecting tube welding, outdoor to adopt the scheme of rapid pipe joint, though the requirement of standard and Security can be met, but also there is Railway Project: 1, rapid connector component cost is high, make product advantage on cost not obvious; 2, install after sale the restriction being subject to connecting tube, product using scope reduces further.Existing pipe joint is generally integral type pipe joint, and primarily of thread section and prismatic surface section two-part composition, during by applying clockwise moment to prismatic surface section, thread section rotates together with prismatic surface section, can closely cooperate with union nut; But, when applying anticlockwise moment in prismatic surface section, drive thread section to rotate together also simultaneously, therefore can unclamp with coordinating of union nut, thus there is dismountable possibility, and can not meet the requirement using and do not allow to use detachable connector inside the air conditioner chamber of combustible refrigerant, the connection between pipe joint and union nut gets loose, can coolant leakage be caused, fail the requirement of satisfied assembling standard and Security.
Therefore, a kind of tamper-resistant pipe joint meeting assembling standard and security requirement is provided to be necessity in fact.
[summary of the invention]
The object of the present invention is to provide the tamper-resistant pipe joint that a kind of Security is high.
Another object of the present invention is to the tamper-resistant tube joint assembly providing a kind of Security high.
An also object of the present invention is the air conditioner meeting assembling standard and security requirement providing a kind of Security high.
For realizing the object of the invention, provide following technological scheme:
The invention provides a kind of tamper-resistant pipe joint, it comprises pipe joint body and auxiliary nut, wherein pipe joint body and auxiliary nut are two independently parts, these pipe joint body two ends are equipped with screw thread, wherein threaded one end matches with the screw thread of auxiliary nut, and be also provided with without thread section in the middle of this pipe joint body, this is provided with groove without thread section, be provided with the first wedge tooth in this groove, the corresponding end face of this auxiliary nut is provided with the second wedge tooth engaged with the first wedge tooth.
Preferably, this groove and the first wedge tooth be arranged on this pipe joint body without thread section towards auxiliary nut side.
The present invention also provides a kind of tamper-resistant tube joint assembly, and it comprises tamper-resistant pipe joint as above and union nut, and this pipe joint body threaded one end matches with the screw thread of auxiliary nut, and the other end screw thread matches with the screw thread of union nut.
Auxiliary nut is combined in pipe joint body one end, when applying clockwise moment at auxiliary nut, independently pipe joint body and auxiliary nut two part energy synchronous rotaries, can guarantee that pipe joint body and union nut are threaded connection, thus connect vaporizer and connecting tube.But when applying anticlockwise moment at auxiliary nut, auxiliary nut cannot apply moment of torsion to pipe joint body and make auxiliary nut and pipe joint body separate, and ensure that closely cooperating between pipe joint body and union nut, plays the effect of Anti-dismantling.Screw thread also can make nut be retained on pipe joint body, abnormal sound when avoiding vibrating.
Preferably, the pitch of the screw thread that should match with auxiliary nut is greater than the other end thread pitch, and the pitch being preferably this screw thread matched with auxiliary nut is the multiple of the other end thread pitch.Increase auxiliary nut and exit stroke, increase lead angle, reduce self-lock force.
Preferably, within this groove one week, be furnished with at least two the first wedge teeth, the corresponding end face of this auxiliary nut is provided with the second wedge tooth of equivalent amount
Preferably, the pitch of the screw thread that should match with auxiliary nut is more than or equal to the tooth depth of the first wedge tooth in groove and the product of the first wedge tooth number.
When rotating auxiliary nut, can be simultaneously stressed between pipe joint body and auxiliary nut, by pipe joint body the other end precession union nut, after auxiliary nut and pipe joint body are locked, because the first wedge tooth of pipe joint body is arranged in groove, pipe joint intrinsic single stress surface is circular, cannot be stressed; When wedge tooth exposes to pipe joint, this is external, it is made to have stress surface and wedge face, when also pipe joint being unclamped with during extremely large power, this kind of improved procedure overcomes the shortcoming also can unclamped between union nut and pipe joint body when wedge tooth exposes, and really serves the function of Anti-dismantling.
The present invention also provides a kind of air conditioner, and its vaporizer and connecting tube adopt tamper-resistant tube joint assembly as above to be connected.Anti-dismantling linkage structure can be realized, prevent coolant leakage.
Contrast prior art, the present invention has the following advantages:
The adapter that the present invention really can realize Anti-dismantling connects, improve existing pipe joint and union nut connect between be disassembled after the secondary refrigerant leakage problem that causes, make to be connected between joint with nut tightr; And reduce I&M cost after sale, expand the using scope of combustible refrigerant; Easy installation, structure are simply, easy to process.
[accompanying drawing explanation]
Fig. 1 is the exploded perspective schematic diagram of tamper-resistant tube joint assembly of the present invention;
Fig. 2 is the decomposition floor map of tamper-resistant tube joint assembly of the present invention;
Fig. 3 and 4 is the schematic diagram of pipe joint body of the present invention;
Fig. 5 is the schematic diagram of auxiliary nut of the present invention.
[embodiment]
Refer to Fig. 1 and Fig. 2, tamper-resistant tube joint assembly of the present invention comprises tamper-resistant pipe joint and union nut 1, this tamper-resistant pipe joint comprises pipe joint body 2 and auxiliary nut 3, wherein pipe joint body 2 and auxiliary nut 3 are two independently parts, these pipe joint body 2 two ends are equipped with screw thread 21 and 22, wherein threaded one end 22 matches with the screw thread 31 of auxiliary nut 3, and the other end screw thread 21 matches with the screw thread of union nut 1.
Auxiliary nut 3 is combined in pipe joint body 2 one end, when applying clockwise moment at auxiliary nut 2, independently pipe joint body 2 and auxiliary nut 3 two part energy synchronous rotaries, can guarantee that pipe joint body 2 and union nut 1 are threaded connection, thus connect vaporizer and connecting tube.When applying anticlockwise moment at auxiliary nut 3, auxiliary nut 3 cannot apply moment of torsion to pipe joint body 2 and auxiliary nut 3 and pipe joint body 2 be separated, and ensure that closely cooperating between pipe joint body 2 and union nut 1, plays the effect of Anti-dismantling.
Incorporated by reference to reference to figure 3 ~ 5, the pitch of the screw thread that this pipe joint body 2 matches with auxiliary nut 3, doubly to the other end thread pitch, increases auxiliary nut 3 and exits stroke, increases lead angle, reduces self-lock force.Screw thread also can make nut be retained on pipe joint body, abnormal sound when avoiding vibrating.
Is provided with without thread section 23 in the middle of this pipe joint body 2, this is provided with groove 24 without thread section towards auxiliary nut side, within this groove 24 one week, is evenly provided with the height of the first wedge tooth 25, first wedge groove tooth and width and rationally arranges groove according to caliber.The second wedge tooth 32 that the corresponding end face of this auxiliary nut 3 is also provided with same quantity coordinates with it.The pitch of the screw thread that this pipe joint body 2 matches with auxiliary nut 3 depends on the tooth depth of wedge tooth 32 on pipe joint body 2 and the number of wedge tooth 32, and the pitch of the screw thread that the present embodiment pipe joint body 2 matches with auxiliary nut 3 is more than or equal to the product of the tooth depth of the first wedge tooth 25 and the number of the first wedge tooth 25.Namely when the tooth depth of the first wedge tooth 25 is h, when the number of the first wedge tooth is 2, a tooth depth h is exited when must meet auxiliary nut 3 half rotation, revolve when turning around, paving helps nut 3 and pipe joint body 2 mutually to depart from, in like manner, if the tooth depth of the first wedge tooth 25 is h, the number of the first wedge tooth is 3, then must meet when auxiliary nut 3 rotates 1/3 circle and exit a tooth depth, revolve when turning around makes three teeth exit simultaneously, namely paving helps nut 3 and pipe joint body 2 mutually to depart from, guarantee is rotated counterclockwise paving when helping nut 3, paving helps nut 3 and pipe joint body 2 can not be mutually stuck, can be separated smoothly.
When turning clockwise auxiliary nut 3, can be simultaneously stressed between pipe joint body 2 and auxiliary nut 3, by pipe joint body 2 the other end precession union nut 1, after auxiliary nut 3 and pipe joint body 2 are locked, because the first wedge tooth 25 of pipe joint body 2 is arranged in groove 24, when imagination extracting tool applies counter-force on tube joint assembly, have two stress surfaces and auxiliary nut 3 and pipe joint body 2, when applying counterclockwise force on auxiliary nut 3, pipe joint body 2 is separated with auxiliary nut 3, when applying counterclockwise force on pipe joint body 2, because pipe joint body 2 stress surface is circular, it cannot be made stressed, ensure the compact siro spinning technology of pipe joint body 2 and union nut 1, this kind of improved procedure overcomes the shortcoming also can unclamped between union nut 3 and pipe joint body 2 when wedge tooth exposes, and really serves the function of Anti-dismantling.
The present invention also provides a kind of air conditioner, and its vaporizer and connecting tube adopt tamper-resistant tube joint assembly as above to be connected.Anti-dismantling linkage structure can be realized, prevent coolant leakage.
The foregoing is only preferred embodiment of the present invention, protection scope of the present invention is not limited thereto, and anyly all belongs within scope based on the equivalent transformation in technical solution of the present invention.
Claims (8)
1. a tamper-resistant pipe joint, it is characterized in that, it comprises pipe joint body and auxiliary nut, wherein pipe joint body and auxiliary nut are two independently parts, and these pipe joint body two ends are equipped with screw thread, and wherein threaded one end matches with the screw thread of auxiliary nut, also be provided with without thread section in the middle of this pipe joint body, this is provided with groove without thread section, is provided with the first wedge tooth in this groove, and the corresponding end face of this auxiliary nut is provided with the second wedge tooth engaged with the first wedge tooth.
2. tamper-resistant pipe joint as claimed in claim 1, is characterized in that, this groove and the first wedge tooth be arranged on this pipe joint body without thread section towards auxiliary nut side.
3. tamper-resistant pipe joint as claimed in claim 1, is characterized in that, the pitch of the screw thread that should match with auxiliary nut is greater than the other end thread pitch.
4. tamper-resistant pipe joint as claimed in claim 3, is characterized in that, the pitch of the screw thread that should match with auxiliary nut is the multiple of the other end thread pitch.
5. the tamper-resistant pipe joint as described in any one of claim 1 ~ 4, is characterized in that, within this groove one week, is furnished with at least two the first wedge teeth, and the corresponding end face of this auxiliary nut is provided with equivalent amount second wedge tooth.
6. the tamper-resistant pipe joint as described in any one of claim 1 ~ 4, is characterized in that, the pitch of the screw thread that should match with auxiliary nut is more than or equal to the tooth depth of the first wedge tooth in groove and the product of the first wedge tooth number.
7. a tamper-resistant tube joint assembly, it comprises tamper-resistant pipe joint as described in any one of claim 1 ~ 6 and union nut, this pipe joint body threaded one end matches with the screw thread of auxiliary nut, and the other end screw thread matches with the screw thread of union nut.
8. an air conditioner, its vaporizer and connecting tube adopt tamper-resistant tube joint assembly as claimed in claim 7 to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110443081.9A CN103185181B (en) | 2011-12-27 | 2011-12-27 | Air conditioner, anti-detaching pipe joint and assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110443081.9A CN103185181B (en) | 2011-12-27 | 2011-12-27 | Air conditioner, anti-detaching pipe joint and assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103185181A CN103185181A (en) | 2013-07-03 |
| CN103185181B true CN103185181B (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110443081.9A Active CN103185181B (en) | 2011-12-27 | 2011-12-27 | Air conditioner, anti-detaching pipe joint and assembly |
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| CN (1) | CN103185181B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107830275B (en) * | 2017-11-17 | 2023-09-08 | 珠海格力电器股份有限公司 | Anti-disassembly connects and has its air conditioner |
| CN108006047B (en) * | 2017-11-29 | 2020-08-11 | 海信（山东）空调有限公司 | Connecting pipe nut, connecting pipe assembly and air conditioner |
| CN108693311B (en) * | 2018-04-18 | 2023-05-26 | 广东电网有限责任公司 | SF (sulfur hexafluoride) of GIS (gas insulated switchgear) combined electrical equipment 6 Prismatic joint clamping device for gas test |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201412617Y (en) * | 2009-05-30 | 2010-02-24 | 台州市安洲机械有限公司 | Special-shaped straight tube connector |
| CN201827544U (en) * | 2010-03-17 | 2011-05-11 | 芜湖通和汽车管路系统有限公司 | Automobile air-conditioning pipeline joint advice |
| CN201944448U (en) * | 2011-01-05 | 2011-08-24 | 北汽福田汽车股份有限公司 | Through joint for hydraulic system, hydraulic system and automobile with hydraulic system |
| CN202392315U (en) * | 2011-12-27 | 2012-08-22 | 珠海格力电器股份有限公司 | Air conditioner, removal-proof pipe joint and removal-proof pipe joint component |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6938437B2 (en) * | 2003-06-17 | 2005-09-06 | A-1 Components Corporation | Cylindrical seal for refrigerant tube connector |
| US7431602B2 (en) * | 2005-04-21 | 2008-10-07 | Dsm & T Co., Inc. | Electrical connector |
-
2011
- 2011-12-27 CN CN201110443081.9A patent/CN103185181B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201412617Y (en) * | 2009-05-30 | 2010-02-24 | 台州市安洲机械有限公司 | Special-shaped straight tube connector |
| CN201827544U (en) * | 2010-03-17 | 2011-05-11 | 芜湖通和汽车管路系统有限公司 | Automobile air-conditioning pipeline joint advice |
| CN201944448U (en) * | 2011-01-05 | 2011-08-24 | 北汽福田汽车股份有限公司 | Through joint for hydraulic system, hydraulic system and automobile with hydraulic system |
| CN202392315U (en) * | 2011-12-27 | 2012-08-22 | 珠海格力电器股份有限公司 | Air conditioner, removal-proof pipe joint and removal-proof pipe joint component |
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| Publication number | Publication date |
|---|---|
| CN103185181A (en) | 2013-07-03 |
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