CN103185181A - Air conditioner, anti-detaching pipe joint and assembly - Google Patents
Air conditioner, anti-detaching pipe joint and assembly Download PDFInfo
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- CN103185181A CN103185181A CN2011104430819A CN201110443081A CN103185181A CN 103185181 A CN103185181 A CN 103185181A CN 2011104430819 A CN2011104430819 A CN 2011104430819A CN 201110443081 A CN201110443081 A CN 201110443081A CN 103185181 A CN103185181 A CN 103185181A
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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 that is applied in air conditioner.
[background technique]
The detachable air conditioner indoor side of present common working medium all uses the mode of pipe joint and union nut to be connected vaporizer and connecting tube.And use the air conditioner chamber inboard of combustible refrigerant not allow to use detachable connector, in existing design, split air conditioner indoor side when exploitation directly adopts vaporizer and connecting tube welding, outdoor to adopt the scheme of rapid pipe joint, though can satisfy the requirement of standard and Security, but also have several problems: 1, rapid pipe joint assembly cost height makes product advantage on cost not obvious; 2, the restriction that is subjected to connecting tube is installed after sale, the product using scope further reduces.Existing pipe joint generally is the integral type pipe joint, mainly is made up of thread section and prismatic surface section two-part, and when the prismatic surface section was applied clockwise moment, thread section rotated with the prismatic surface section, can closely cooperate with union nut; But, when when the prismatic surface section applies anticlockwise moment, driving thread section also simultaneously rotates together, therefore can unclamp with cooperating of union nut, thereby have dismountable possibility, and and can not satisfy the requirement that the air conditioner chamber inboard of using combustible refrigerant does not allow to use detachable connector, being connected between pipe joint and the union nut gets loose, can cause coolant leakage, fail to satisfy the requirement of assembling standard and Security.
Therefore, provide a kind of tamper-resistant pipe joint of assembling standard and security requirement that meets in fact for necessary.
[summary of the invention]
The object of the present invention is to provide a kind of safe tamper-resistant pipe joint.
Another object of the present invention is to provide a kind of safe tamper-resistant tube joint assembly.
An also purpose of the present invention is to provide a kind of safe air conditioner that meets assembling standard and security requirement.
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, also is provided with no thread section in the middle of this pipe joint body, and this no thread section is provided with groove, 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 with the engagement of the first wedge tooth.
Preferably, this groove and the first wedge tooth are arranged on the no thread section of this pipe joint body towards auxiliary nut one side.
The present invention also provides a kind of tamper-resistant tube joint assembly, and it comprises aforesaid tamper-resistant pipe joint 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 when auxiliary nut applies clockwise moment, independently two parts of pipe joint body and auxiliary nut can rotate synchronously, can guarantee pipe joint body and union nut by being threaded, thereby connect vaporizer and connecting tube.But when when auxiliary nut applies anticlockwise moment, auxiliary nut can't apply moment of torsion and auxiliary nut and pipe joint body are separated the pipe joint body, has guaranteed closely cooperating between pipe joint body and the union nut, plays the effect of anti-dismounting.Screw thread also can make nut be retained on the 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 that is preferably this screw thread that matches with auxiliary nut is the multiple of the other end thread pitch.Strengthen auxiliary nut and withdrawed from stroke, increased lead angle, reduced self-lock force.
Preferably, be furnished with at least two first wedge teeth a week in this groove, 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 product of tooth depth and the first wedge tooth number of the first wedge tooth in the groove.
When the rotation auxiliary nut, can be simultaneously stressed between pipe joint body and the auxiliary nut, with pipe joint body the other end precession union nut, after auxiliary nut and the locking of pipe joint body, because the first wedge tooth of pipe joint body is arranged in the groove, the whole stress surface of pipe joint body is circular, can't be stressed; This is external when the wedge tooth exposes to pipe joint, making it that stress surface be arranged is the wedge face, also pipe joint can be unclamped when with unusual very large power, this kind improved procedure has overcome the shortcoming that also can unclamp between the union nut and pipe joint body when the wedge tooth exposes, has really played the function of anti-dismounting.
The present invention also provides a kind of air conditioner, and its vaporizer adopts aforesaid tamper-resistant tube joint assembly to be connected with connecting tube.Can realize anti-dismounting linkage structure, prevent coolant leakage.
The contrast prior art, the present invention has the following advantages:
The present invention can realize really that the adapter of anti-dismounting connects, and improves the secondary refrigerant leakage problem that causes after existing pipe joint and union nut are disassembled between connecting, make be connected between joint and the nut tightr; And reduce I﹠M cost after sale, enlarge the using scope of combustible refrigerant; Easily installation, simple in structure, easy to process.
[description of drawings]
Fig. 1 is the exploded perspective schematic representation 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 for the schematic representation of pipe joint body of the present invention;
Fig. 5 is the schematic representation of auxiliary nut of the present invention.
[embodiment]
See also 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.
Please in conjunction with reference to figure 3 ~ 5, the pitch of the screw thread that matches with auxiliary nut 3 on this pipe joint body 2 has strengthened auxiliary nut 3 and has withdrawed from stroke doubly to the other end thread pitch, increases lead angle, has reduced self-lock force.Screw thread also can make nut be retained on the pipe joint body abnormal sound when avoiding vibrating.
Be provided with no thread section 23 in the middle of this pipe joint body 2, this no thread section is provided with groove 24 towards auxiliary nut one side, and this groove 24 is interior evenly to be provided with the height of the first wedge tooth, 25, the first wedge groove teeth and width a week and according to caliber groove to be set rationally.The second wedge tooth 32 that these auxiliary nut 3 corresponding end faces also are provided with same quantity cooperates with it.The pitch of the screw thread that matches with auxiliary nut 3 on this pipe joint body 2 depends on the tooth depth of wedge tooth 32 on the pipe joint body 2 and the number of wedge tooth 32, and the pitch of the screw thread that matches with auxiliary nut 3 on the present embodiment pipe joint body 2 is more than or equal to the product of the number of the tooth depth of the first wedge tooth 25 and the first wedge tooth 25.Namely the tooth depth when the first wedge tooth 25 is h, the number of the first wedge tooth is 2 o'clock, withdraw from a tooth depth h in the time of must satisfying auxiliary nut 3 rotation half-turns, revolve when turning around, the shop helps nut 3 and pipe joint body 2 to break away from mutually, in like manner, if the tooth depth of the first wedge tooth 25 is h, the number of the first wedge tooth is 3, withdraws from a tooth depth in the time of then must satisfying auxiliary nut 3 rotations 1/3 circle, revolves three teeth are withdrawed from simultaneously, namely the shop helps nut 3 and pipe joint body 2 to break away from mutually, assurance is rotated counterclockwise the shop when helping nut 3, and the shop helps nut 3 and the pipe joint body 2 can be not stuck mutually, can separate smoothly.
When turning clockwise auxiliary nut 3, can be simultaneously stressed between pipe joint body 2 and the auxiliary nut 3, with pipe joint body 2 the other end precession union nuts 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 the groove 24, the imagination with extracting tool when tube joint assembly applies counter-force, having two stress surfaces is auxiliary nut 3 and pipe joint body 2, when applying the inverse time at auxiliary nut 3 during needle force, pipe joint body 2 separates with auxiliary nut 3, when applying the inverse time at pipe joint body 2 during needle force, because pipe joint body 2 stress surfaces are circular, can't make it stressed, guarantee that pipe joint body 2 is connected with the tight of union nut 1; This kind improved procedure has overcome the shortcoming that also can unclamp between the union nut 3 and pipe joint body 2 when the wedge tooth exposes, has really played the function of anti-dismounting.
The present invention also provides a kind of air conditioner, and its vaporizer adopts aforesaid tamper-resistant tube joint assembly to be connected with connecting tube.Can realize anti-dismounting linkage structure, prevent coolant leakage.
The above is preferred embodiment of the present invention only, and protection scope of the present invention is not limited thereto, and anyly all belongs within the protection domain of the present invention based on the equivalent transformation on the technical solution of the present invention.
Claims (8)
1. 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 no thread section in the middle of this pipe joint body, this no thread section is provided with groove, 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 with the engagement of 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 are arranged on the no thread section of this pipe joint body towards auxiliary nut one 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. as each described tamper-resistant pipe joint of claim 1 ~ 4, it is characterized in that be furnished with at least two first wedge teeth a week in this groove, the corresponding end face of this auxiliary nut is provided with the equivalent amount second wedge tooth.
6. as each described tamper-resistant pipe joint of claim 1 ~ 4, it is characterized in that the pitch of the screw thread that should match with auxiliary nut is more than or equal to the product of tooth depth and the first wedge tooth number of the first wedge tooth in the groove.
7. tamper-resistant tube joint assembly, it comprises as claim 1 ~ 6 each described tamper-resistant pipe joint 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. air conditioner, its vaporizer adopts tamper-resistant tube joint assembly as claimed in claim 7 to be connected with connecting tube.
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 true CN103185181A (en) | 2013-07-03 |
| CN103185181B 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) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631110A (en) * | 2017-10-18 | 2018-01-26 | 台州市路桥振兴机械有限公司 | A kind of nut assembly and attaching method thereof |
| CN107830275A (en) * | 2017-11-17 | 2018-03-23 | 珠海格力电器股份有限公司 | Disassembly prevention joint and there is its air conditioner |
| CN108006047A (en) * | 2017-11-29 | 2018-05-08 | 海信（山东）空调有限公司 | A kind of union nut, connecting pipe component and air-conditioning |
| CN108693311A (en) * | 2018-04-18 | 2018-10-23 | 广东电网有限责任公司 | A kind of GIS combined electrics equipment SF6The prismatic joint clamping device of gas test |
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| US20040255608A1 (en) * | 2003-06-17 | 2004-12-23 | Velez Hector | Cylindrical seal for refrigerant tube connector |
| US20060237965A1 (en) * | 2005-04-21 | 2006-10-26 | Dsm&T | Electrical connector |
| 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 |
-
2011
- 2011-12-27 CN CN201110443081.9A patent/CN103185181B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040255608A1 (en) * | 2003-06-17 | 2004-12-23 | Velez Hector | Cylindrical seal for refrigerant tube connector |
| US20060237965A1 (en) * | 2005-04-21 | 2006-10-26 | Dsm&T | Electrical connector |
| 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 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631110A (en) * | 2017-10-18 | 2018-01-26 | 台州市路桥振兴机械有限公司 | A kind of nut assembly and attaching method thereof |
| CN107830275A (en) * | 2017-11-17 | 2018-03-23 | 珠海格力电器股份有限公司 | Disassembly prevention joint and there is its air conditioner |
| 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 |
| CN108006047A (en) * | 2017-11-29 | 2018-05-08 | 海信（山东）空调有限公司 | A kind of union nut, connecting pipe component and air-conditioning |
| 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 |
| CN108693311A (en) * | 2018-04-18 | 2018-10-23 | 广东电网有限责任公司 | A kind of GIS combined electrics equipment SF6The prismatic joint clamping device of gas test |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103185181B (en) | 2015-07-15 |
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