CN202392315U - Air conditioner and anti-disassembly formula coupling and subassembly - Google Patents
Air conditioner and anti-disassembly formula coupling and subassembly Download PDFInfo
- Publication number
- CN202392315U CN202392315U CN2011205530627U CN201120553062U CN202392315U CN 202392315 U CN202392315 U CN 202392315U CN 2011205530627 U CN2011205530627 U CN 2011205530627U CN 201120553062 U CN201120553062 U CN 201120553062U CN 202392315 U CN202392315 U CN 202392315U
- Authority
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- China
- Prior art keywords
- pipe joint
- nut
- auxiliary nut
- screw thread
- joint body
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000008878 coupling Effects 0.000 title abstract 9
- 238000010168 coupling process Methods 0.000 title abstract 9
- 238000005859 coupling reaction Methods 0.000 title abstract 9
- 239000006200 vaporizer Substances 0.000 claims description 7
- 239000003507 refrigerant Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides an anti-disassembly formula coupling and subassembly, anti-disassembly formula coupling subassembly includes anti-disassembly formula coupling and takeover nut, anti-disassembly formula coupling includes independent coupling body and auxiliary nut, this coupling body both ends all are equipped with the screw thread, wherein one end screw thread cooperatees with auxiliary nut's screw thread, the other end screw thread cooperatees with takeover nut's screw thread, still be equipped with the unthreaded section in the middle of this coupling body, this unthreaded section is equipped with the recess, be equipped with first wedge tooth in this recess, the corresponding terminal surface of this auxiliary nut is equipped with the second wedge tooth with first wedge tooth meshing. The utility model also provides an air conditioner, its evaporimeter and connecting pipe adopt as above anti-disassembly formula coupling subassembly connect. The utility model can really realize the anti-disassembly connection of the adapter, improve the problem of refrigerant leakage caused by disassembly between the existing pipe joint and the connection of the adapter nut, and lead the connection between the joint and the nut to be more compact; the after-sale installation and maintenance cost is reduced, and the use range of the flammable refrigerant is expanded; easy installation, simple structure, processing is convenient.
Description
Technical field
The utility model relates to a kind of pipe connecting structure, refers 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, also have several problems: 1, rapid pipe joint assembly cost is high, makes product advantage on cost not obvious; 2, the restriction that receives 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,, drive thread section also simultaneously and rotate together when when the prismatic surface section applies anticlockwise moment; 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 that meets assembling standard and security requirement in fact for necessary.
Summary of the invention
The purpose of the utility model is to provide a kind of safe tamper-resistant pipe joint.
Another purpose of the utility model is to provide a kind of safe tamper-resistant tube joint assembly.
An also purpose of the utility model is to provide a kind of safe air conditioner that meets assembling standard and security requirement.
For realizing the utility model purpose, following technological scheme is provided:
The utility model provides a kind of tamper-resistant pipe joint, and it comprises pipe joint body and auxiliary nut, and wherein pipe joint body and auxiliary nut are two independently parts; These pipe joint body two ends are equipped with screw thread; Wherein the threads engaged of threaded one end and 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 be arranged on this pipe joint body no thread section towards auxiliary nut one side.
The utility model also provides a kind of tamper-resistant tube joint assembly, and it comprises aforesaid tamper-resistant pipe joint and union nut, the threads engaged of this pipe joint body threaded one end and auxiliary nut, the threads engaged of the other end screw thread and union nut.
Auxiliary nut is combined in pipe joint body one end; 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 through 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
The pitch of the screw thread that preferably, should match with auxiliary nut is more than or equal to the product of the 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 arranged is the wedge face; When with unusual very large power, also can pipe joint be unclamped, 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 utility model 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 existing technology the utlity model has following advantage:
The utility model 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; Be prone to installation, simple in structure, easy to process.
Description of drawings
Fig. 1 is the exploded perspective schematic representation of the utility model tamper-resistant tube joint assembly;
Fig. 2 is the decomposition floor map of the utility model tamper-resistant tube joint assembly;
Fig. 3 and 4 is the schematic representation of the utility model pipe joint body;
Fig. 5 is the schematic representation of the utility model auxiliary nut.
Embodiment
See also Fig. 1 and Fig. 2; The utility model tamper-resistant tube joint assembly comprises tamper-resistant pipe joint and union nut 1; This tamper-resistant pipe joint comprises pipe joint body 2 and auxiliary nut 3, and wherein pipe joint body 2 is two independently parts with auxiliary nut 3, and 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, the threads engaged of the other end screw thread 21 and union nut 1.
Please combine 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 height and width that this groove 24 is interior evenly to be provided with the first wedge tooth, 25, the first wedge groove teeth a week rationally is provided with groove according to caliber.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.Promptly the tooth depth when the first wedge tooth 25 is h, and the number of the first wedge tooth is 2 o'clock, withdraws 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 each other, 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; Revolve three teeth are withdrawed from simultaneously, promptly the shop helps nut 3 and pipe joint body 2 to break away from each other, guarantees to be rotated counterclockwise and spreads when helping nut 3; The shop helps nut 3 and the pipe joint body 2 can be not stuck each other, 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, when imagination applied counter-force with extracting tool on tube joint assembly, having two stress surfaces was auxiliary nut 3 and pipe joint body 2; When on auxiliary nut 3, applying the inverse time during needle force; Pipe joint body 2 separates with auxiliary nut 3, when on pipe joint body 2, applying the inverse time during needle force, because pipe joint body 2 stress surfaces be circle; 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 utility model 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 merely the preferred embodiment of the utility model, and the protection domain of the utility model is not limited thereto, and anyly all belongs within the utility model protection domain based on the equivalent transformation on the utility model technological scheme.
Claims (8)
1. a tamper-resistant pipe joint 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, wherein the threads engaged of threaded one end and 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. like 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. like 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 the tooth depth and the first wedge tooth number of the first wedge tooth in the groove.
7. tamper-resistant tube joint assembly; It comprises like claim 1 ~ 6 each described tamper-resistant pipe joint and union nut; The threads engaged of this pipe joint body threaded one end and auxiliary nut, the threads engaged of the other end screw thread and 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 |
|---|---|---|---|
| CN2011205530627U CN202392315U (en) | 2011-12-27 | 2011-12-27 | Air conditioner and anti-disassembly formula coupling and subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205530627U CN202392315U (en) | 2011-12-27 | 2011-12-27 | Air conditioner and anti-disassembly formula coupling and subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202392315U true CN202392315U (en) | 2012-08-22 |
Family
ID=46667242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205530627U Expired - Lifetime CN202392315U (en) | 2011-12-27 | 2011-12-27 | Air conditioner and anti-disassembly formula coupling and subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202392315U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185181A (en) * | 2011-12-27 | 2013-07-03 | 珠海格力电器股份有限公司 | Air conditioner and anti-disassembly formula coupling and subassembly |
| CN103672224A (en) * | 2012-09-26 | 2014-03-26 | 珠海格力电器股份有限公司 | Pipeline connecting assembly and air conditioner with same |
| CN103673235A (en) * | 2012-09-18 | 2014-03-26 | 珠海格力电器股份有限公司 | Air conditioner and connecting device of indoor unit and outdoor unit thereof |
| CN103673234A (en) * | 2012-09-18 | 2014-03-26 | 珠海格力电器股份有限公司 | Air conditioner and connecting device of indoor unit and outdoor unit thereof |
| CN103672222A (en) * | 2012-08-31 | 2014-03-26 | 珠海格力电器股份有限公司 | Split type nut and anti-disassembly connecting device and air conditioner |
| CN103672223A (en) * | 2012-09-04 | 2014-03-26 | 珠海格力电器股份有限公司 | Anti-disassembly pipe connecting assembly, device, air conditioner and method |
| 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 |
| CN107940132A (en) * | 2017-11-28 | 2018-04-20 | 广东美的制冷设备有限公司 | Tamper union nut, tamper pipe connection device and air conditioner |
| CN109780342A (en) * | 2017-11-14 | 2019-05-21 | 浙江盾安禾田金属有限公司 | A kind of novel Anti-dismantling casing |
-
2011
- 2011-12-27 CN CN2011205530627U patent/CN202392315U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185181A (en) * | 2011-12-27 | 2013-07-03 | 珠海格力电器股份有限公司 | Air conditioner and anti-disassembly formula coupling and subassembly |
| CN103185181B (en) * | 2011-12-27 | 2015-07-15 | 珠海格力电器股份有限公司 | Air conditioner and anti-disassembly formula coupling and subassembly |
| CN103672222A (en) * | 2012-08-31 | 2014-03-26 | 珠海格力电器股份有限公司 | Split type nut and anti-disassembly connecting device and air conditioner |
| CN103672223B (en) * | 2012-09-04 | 2016-05-04 | 珠海格力电器股份有限公司 | Anti-disassembly pipe connecting assembly, device, air conditioner and method |
| CN103672223A (en) * | 2012-09-04 | 2014-03-26 | 珠海格力电器股份有限公司 | Anti-disassembly pipe connecting assembly, device, air conditioner and method |
| CN103673234A (en) * | 2012-09-18 | 2014-03-26 | 珠海格力电器股份有限公司 | Air conditioner and connecting device of indoor unit and outdoor unit thereof |
| CN103673235A (en) * | 2012-09-18 | 2014-03-26 | 珠海格力电器股份有限公司 | Air conditioner and connecting device of indoor unit and outdoor unit thereof |
| CN103673234B (en) * | 2012-09-18 | 2016-08-24 | 珠海格力电器股份有限公司 | Air conditioner and connecting device of indoor unit and outdoor unit thereof |
| CN103672224B (en) * | 2012-09-26 | 2016-02-03 | 珠海格力电器股份有限公司 | Pipeline connecting assembly and air conditioner with same |
| CN103672224A (en) * | 2012-09-26 | 2014-03-26 | 珠海格力电器股份有限公司 | Pipeline connecting assembly and air conditioner with same |
| 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 |
| CN109780342A (en) * | 2017-11-14 | 2019-05-21 | 浙江盾安禾田金属有限公司 | A kind of novel Anti-dismantling casing |
| CN107940132A (en) * | 2017-11-28 | 2018-04-20 | 广东美的制冷设备有限公司 | Tamper union nut, tamper pipe connection device and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120822 Effective date of abandoning: 20150715 |
|
| RGAV | Abandon patent right to avoid regrant |