CN202901589U - Anti-disassembly connecting pipe joint assembly, anti-disassembly connecting pipe device and air conditioner - Google Patents
Anti-disassembly connecting pipe joint assembly, anti-disassembly connecting pipe device and air conditioner Download PDFInfo
- Publication number
- CN202901589U CN202901589U CN 201220448302 CN201220448302U CN202901589U CN 202901589 U CN202901589 U CN 202901589U CN 201220448302 CN201220448302 CN 201220448302 CN 201220448302 U CN201220448302 U CN 201220448302U CN 202901589 U CN202901589 U CN 202901589U
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- Prior art keywords
- pipe joint
- tube
- nut
- dismantling
- joint
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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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- 239000003507 refrigerant Substances 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 239000006200 vaporizer Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses an anti-disassembly connecting pipe joint assembly, an anti-disassembly connecting pipe device and an air conditioner, wherein the device comprises a connecting pipe nut and a pipe joint assembly, and the pipe joint assembly comprises an auxiliary nut and a pipe joint; the pipe joint is connected inside the connecting pipe nut; the auxiliary nut is suitable for being in contact with the pipe joint, the contact surface of the auxiliary nut and the pipe joint is provided with at least one first wedge-shaped tooth inclined plane with one high side and one low side, and the end face at the higher position of the first wedge-shaped tooth inclined plane forms a first vertical face; the contact surface of the pipe joint and the auxiliary nut is provided with second wedge-shaped tooth inclined planes which are equal to the first wedge-shaped tooth inclined planes in number and are correspondingly matched with the first wedge-shaped tooth inclined planes respectively, and the end faces at the higher positions of the second wedge-shaped tooth inclined planes form a second vertical face. The utility model is not detachable, which avoids the refrigerant leakage problem caused by the connection and the false detachment of the existing pipe joint and the pipe connecting nut; the structure is simple, the cost is low, and the after-sale installation and maintenance cost is reduced; convenient to use, has enlarged the application range of flammable refrigerant.
Description
Technical field
The utility model relates to air conditioner with the technical field of pipe joint, particularly relates to a kind of Anti-dismantling Tube to tube fittings assembly, Anti-dismantling tube connecting device and air conditioner.
Background technique
Connection between the part pipeline in air conditioner need to seal and be non-dismountable, for example, requires to use the air conditioner chamber inboard of combustible refrigerant not allow to use detachable connector in the EN60335-2-40 in air conditioner field standard.
At present, the detachable air conditioner indoor side of common working medium uses pipe joint to connect vaporizer and connecting tube with the union nut mode of being connected mostly, can produce the secondary refrigerant leakage problem that the mistake dismounting causes.
In the prior art, exist and directly adopt the welding of indoor side vaporizer and connecting tube, outdoor to adopt the technological scheme of rapid pipe joint, though can satisfy the requirement of standard and Security, but still have several problems: one, the rapid connector component cost is higher, directly causes the air-conditioning cost high; Its two, the restriction be subject to connecting tube is installed after sale, the product using scope further reduces.
The model utility content
Based on this, be necessary defective and deficiency for prior art, a kind of good airproof performance, Anti-dismantling Tube to tube fittings assembly, Anti-dismantling tube connecting device and air conditioner with low cost are provided.
Be the Anti-detachable pipe connector assembly of realizing that the utility model purpose provides, described tube joint assembly comprises auxiliary nut and pipe joint; Described pipe joint is provided with outside thread, described auxiliary nut is suitable for contacting with described pipe joint, the surface of contact of described auxiliary nut and described pipe joint is provided with at least one first low chisel teeth inclined-plane of high one side on one side, and the end face of described the first chisel teeth inclined-plane higher position forms the first facade; Described pipe joint and the surface of contact of described auxiliary nut be provided with equate with described the first chisel teeth inclined-plane quantity and respectively with corresponding the second chisel teeth inclined-plane that agrees with, each described first chisel teeth inclined-plane, the end face of described the second chisel teeth inclined-plane higher position forms the second facade.
Anti-dismantling tube connecting device for realizing that the utility model purpose provides comprises union nut and tube joint assembly, and described tube joint assembly comprises auxiliary nut and pipe joint;
Described pipe joint is connected to the inside of described union nut;
Described pipe joint is provided with outside thread, and described union nut inside is provided with the internal thread that matches with the outside thread of described pipe joint;
Described auxiliary nut is suitable for contacting with described pipe joint, and the surface of contact of described auxiliary nut and described pipe joint is provided with at least one first low chisel teeth inclined-plane of high one side on one side, and the end face of described the first chisel teeth inclined-plane higher position forms the first facade; Described pipe joint and the surface of contact of described auxiliary nut be provided with equate with described the first chisel teeth inclined-plane quantity and respectively with corresponding the second chisel teeth inclined-plane that agrees with, each described first chisel teeth inclined-plane, the end face of described the second chisel teeth inclined-plane higher position forms the second facade.
Among embodiment, described auxiliary nut comprises prismatic surface section and thread section therein;
Described thread section can insert described union nut;
Described thread section is provided with the auxiliary nut outside thread, and described union nut is provided with described auxiliary nut outside thread matches and is connected internal thread;
Described auxiliary nut and described union nut can be threaded connection.
Among embodiment, described Anti-dismantling tube connecting device is used for being communicated with the first connecting tube and the second connecting tube therein;
Described the first connecting tube passes described auxiliary nut and is fixed on the described pipe joint;
Described the second connecting tube connects described pipe joint, and described the second connecting tube is communicated with described the first connecting tube by described pipe joint.
Therein among embodiment, the described pipe joint fixing position of matching with described union nut, and the described auxiliary nut fixing position of matching with described union nut is provided with seal ring.
Therein among embodiment, described pipe joint and described union nut described the second connecting tube that is fixedly clamped.
Among embodiment, the joint of described pipe joint and described the second connecting tube is provided with the conical surface therein, and described union nut is correspondingly provided with the cooperation conical surface;
The end that described the second connecting tube is connected with described pipe joint is provided with gradually wide joint of opening, and described joint can be clamped in the described conical surface and cooperate between the conical surface.
For realizing that the utility model purpose also provides a kind of air conditioner with the Anti-dismantling tube connecting device, comprises that such as Anti-dismantling tube connecting device described in the utility model, described the first connecting tube is connection pipe of indoor unit of air conditioner; Described the second connecting tube is air-conditioner outdoor unit connecting pipe.
For realizing that the utility model purpose also provides a kind of Anti-dismantling method of tube connecting device, described tube connecting device comprises union nut and tube joint assembly, comprises the steps:
S100 partly separates helical thread portion and the prismatic surface of described tube joint assembly; The chisel teeth that the surface of contact of the described helical thread portion separately and described prismatic surface part is set to cooperatively interact;
S200 partly applies clockwise or anticlockwise moment at described prismatic surface, and the described helical thread portion that separates and the rotation of described prismatic surface Partial synchronization make described helical thread portion be threaded with described union nut.
Among embodiment, the Anti-dismantling method of described tube connecting device also comprises therein:
S300 partly applies the reciprocal moment with S200 at described prismatic surface, and described prismatic surface is partly mobile, and described helical thread portion is threaded with described union nut.
The beneficial effects of the utility model: the utility model Anti-dismantling is taken over assembly, device and air conditioner, and is non-dismountable, avoided existing pipe joint to be connected the secondary refrigerant leakage problem that the mistake dismounting causes with union nut; Simple in structure, with low cost, reduced after sale I﹠M cost; Easy to use, enlarged the using scope of combustible refrigerant.
Description of drawings
For the purpose, technological scheme and the advantage that make the utility model Anti-dismantling Tube to tube fittings assembly, Anti-dismantling tube connecting device and air conditioner clearer, below in conjunction with concrete drawings and the specific embodiments, the utility model Anti-dismantling Tube to tube fittings assembly, Anti-dismantling tube connecting device and air conditioner are further elaborated.
Fig. 1 is an embodiment's of the utility model Anti-dismantling tube connecting device decomposing schematic representation;
Fig. 2 is the combination schematic representation of Anti-dismantling tube connecting device as shown in Figure 1;
Fig. 3 is the pipe joint schematic representation of Anti-dismantling tube connecting device as shown in Figure 1;
Fig. 4 is the auxiliary nut schematic representation of Anti-dismantling tube connecting device as shown in Figure 1.
Embodiment
An embodiment of Anti-dismantling tube connecting device of the present utility model, as shown in Figures 1 to 4.
The utility model Anti-dismantling tube connecting device comprises the first connecting tube 100, auxiliary nut 200, pipe joint 300, union nut 400 and the second connecting tube 500;
Described the first connecting tube 100 passes auxiliary nut 200 and is fixed on the described pipe joint 300;
Described pipe joint 300 is arranged on the inside of described union nut 400;
Described pipe joint 300 is provided with outside thread, and described union nut 400 inside are provided with the internal thread that matches with the outside thread of described pipe joint 300;
Described the second connecting tube 500 connects described pipe joint 300, and described the second connecting tube 500 is communicated with described the first connecting tube 100 by described pipe joint 300;
Described auxiliary nut 200 is suitable for contacting with described pipe joint 300, the surface of contact with described pipe joint 300 of described auxiliary nut 200 is provided with at least two the first low chisel teeth inclined-planes 210 of high one side on one side, and the joining place on adjacent described the first chisel teeth inclined-plane 210 forms the first facade 220; As shown in Figure 4.
The surface of contact with described auxiliary nut 200 of described pipe joint 300 be provided with equate with described the first chisel teeth inclined-plane 210 quantity and respectively with each 210 corresponding the second chisel teeth inclined-planes 310 that agree with, described the first chisel teeth inclined-plane, the joining place on adjacent described the second chisel teeth inclined-plane 310 forms the second facade 320; As shown in Figure 3.
Preferably, as an embodiment, described auxiliary nut 200 is provided with the first low chisel teeth inclined-plane 210 of high one side, at least one one side with the surface of contact of described pipe joint 300, and the end face of described the first chisel teeth inclined-plane 210 higher positions forms the first facade 220; Described pipe joint 300 and the surface of contact of described auxiliary nut 200 be provided with equate with described the first chisel teeth inclined-plane 210 quantity and respectively with each 210 corresponding the second chisel teeth inclined-planes 310 that agree with, described the first chisel teeth inclined-plane, the end face of described the second chisel teeth inclined-plane 310 higher positions forms the second facade 320.
As shown in Figure 1 and Figure 2, be respectively decomposition and the combination schematic representation of the utility model Anti-dismantling tube connecting device.When described auxiliary nut 200 turns clockwise, 220 pairs of described the second facades 320 of described the first facade apply moment, so described auxiliary nut 200 can apply clockwise moment to described pipe joint 300, described auxiliary nut 200 and described pipe joint 300 synchronous rotaries, make described pipe joint 300 screw in described union nut 400, be threaded with described union nut 400.
When described auxiliary nut 200 is rotated counterclockwise, then can separate with described pipe joint 300, can't apply moment to described pipe joint 300, thereby guarantee that described pipe joint 300 closely cooperates with described union nut 400, and then play the effect of Anti-dismantling.
Preferably, as an embodiment, described auxiliary nut 200 comprises prismatic surface section 230 and thread section 240;
Described thread section 240 can insert described union nut 400;
Described thread section 240 is provided with the auxiliary nut outside thread, and described union nut 400 is provided with described auxiliary nut outside thread matches and is connected internal thread;
Described auxiliary nut 200 and described union nut 400 can be threaded connection.
Can by described prismatic surface section 230 easily to shown in auxiliary nut 200 apply moment.
Described auxiliary nut 200 and described union nut 400 are threaded connection and can prevent from vibrating abnormal sound.
Preferably, as an embodiment, the described pipe joint 300 fixing position of matching with described union nut 400, and the described auxiliary nut 200 fixing position of matching with described union nut 400 is provided with seal ring.
Preferably, as an embodiment, described the first connecting tube 100 and described pipe joint 300 are connected by welding manner.
As shown in Figure 2, the face of weld of described the first connecting tube 100 and described pipe joint 300 can guarantee stable connection, the sealing of described the first connecting tube 100 and described pipe joint 300 in the inside of described pipe joint 300.
Preferably, as an embodiment, described pipe joint 300 and described union nut 400 described the second connecting tube 500 that is fixedly clamped.
Further, as an embodiment, described pipe joint 300 is provided with the conical surface with the joint of described the second connecting tube 500, and described union nut 400 is correspondingly provided with the cooperation conical surface;
The end that described the second connecting tube 500 is connected with described pipe joint 300 is provided with gradually wide joint 510 of opening, and described joint 510 can be clamped in the described conical surface and cooperate between the conical surface.
Preferably, as an embodiment, the arranged outside of described union nut 400 has prismatic surface.Prismatic surface can conveniently add to be held, fixes and the application of force.
Preferably, as an embodiment, described the first connecting tube 100 is connection pipe of indoor unit of air conditioner; Described the second connecting tube 500 is air-conditioner outdoor unit connecting pipe.
An embodiment of a kind of air conditioner with the Anti-dismantling tube connecting device of the present utility model comprises that such as Anti-dismantling tube connecting device described in the utility model described the first connecting tube 100 is connection pipe of indoor unit of air conditioner; Described the second connecting tube 500 is air-conditioner outdoor unit connecting pipe.
The Anti-dismantling method of a kind of tube connecting device of the present utility model, described tube connecting device comprises union nut and tube joint assembly, comprises the steps:
S100 partly separates helical thread portion and the prismatic surface of described tube joint assembly; The chisel teeth that the surface of contact of the described helical thread portion separately and described prismatic surface part is set to cooperatively interact;
S200 partly applies clockwise or anticlockwise moment at described prismatic surface, and the described helical thread portion that separates and the rotation of described prismatic surface Partial synchronization make described helical thread portion be threaded with described union nut;
S300 partly applies the reciprocal moment with S200 at described prismatic surface, and described prismatic surface is partly mobile, and described helical thread portion is threaded with described union nut.
When described prismatic surface partly applies screw-down torque, described auxiliary nut is combined to described helical thread portion carry-over moment with described pipe joint, so that tube joint assembly and described union nut are combined closely; When partly applying at described prismatic surface when unscrewing moment, described auxiliary nut separates with described pipe joint; Perhaps, described prismatic surface part is combined with described helical thread portion, when the screw-down torque that partly applies at described prismatic surface surpasses a certain size, and described prismatic surface part or the fracture of described helical thread portion.
The utility model Anti-dismantling Tube to tube fittings assembly, Anti-dismantling tube connecting device and air conditioner, non-dismountable, avoided existing pipe joint to be connected the secondary refrigerant leakage problem that the mistake dismounting causes with union nut; Simple in structure, with low cost, reduced after sale I﹠M cost; Easy to use, enlarged the using scope of combustible refrigerant.
The above embodiment has only expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (8)
1. an Anti-dismantling Tube to tube fittings assembly is characterized in that described tube joint assembly comprises auxiliary nut and pipe joint; Described pipe joint is provided with outside thread, described auxiliary nut is suitable for contacting with described pipe joint, the surface of contact of described auxiliary nut and described pipe joint is provided with at least one first low chisel teeth inclined-plane of high one side on one side, and the end face of described the first chisel teeth inclined-plane higher position forms the first facade; Described pipe joint and the surface of contact of described auxiliary nut be provided with equate with described the first chisel teeth inclined-plane quantity and respectively with corresponding the second chisel teeth inclined-plane that agrees with, each described first chisel teeth inclined-plane, the end face of described the second chisel teeth inclined-plane higher position forms the second facade.
2. an Anti-dismantling tube connecting device comprises union nut and tube joint assembly, it is characterized in that, described tube joint assembly is tube joint assembly claimed in claim 1;
Described tube joint assembly comprises auxiliary nut and pipe joint;
Described pipe joint is connected to the inside of described union nut;
Described union nut inside is provided with the internal thread that matches with the outside thread of described pipe joint.
3. Anti-dismantling tube connecting device according to claim 2 is characterized in that, described auxiliary nut comprises prismatic surface section and thread section;
Described thread section can insert described union nut;
Described thread section is provided with the auxiliary nut outside thread, and described union nut is provided with described auxiliary nut outside thread matches and is connected internal thread;
Described auxiliary nut and described union nut can be threaded connection.
4. Anti-dismantling tube connecting device according to claim 2 is characterized in that, described Anti-dismantling tube connecting device is used for being communicated with the first connecting tube and the second connecting tube;
Described the first connecting tube passes described auxiliary nut and is fixed on the described pipe joint;
Described the second connecting tube connects described pipe joint, and described the second connecting tube is communicated with described the first connecting tube by described pipe joint.
5. Anti-dismantling tube connecting device according to claim 4 is characterized in that, the described pipe joint fixing position of matching with described union nut, and the described auxiliary nut fixing position of matching with described union nut is provided with seal ring.
6. Anti-dismantling tube connecting device according to claim 4 is characterized in that, described pipe joint and described union nut described the second connecting tube that is fixedly clamped.
7. Anti-dismantling tube connecting device according to claim 6 is characterized in that, the joint of described pipe joint and described the second connecting tube is provided with the conical surface, and described union nut is correspondingly provided with the cooperation conical surface;
The end that described the second connecting tube is connected with described pipe joint is provided with gradually wide joint of opening, and described joint can be clamped in the described conical surface and cooperate between the conical surface.
8. the air conditioner with the Anti-dismantling tube connecting device is characterized in that, comprises that described the first connecting tube is connection pipe of indoor unit of air conditioner such as each described Anti-dismantling tube connecting device of claim 2 to 7; Described the second connecting tube is air-conditioner outdoor unit connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220448302 CN202901589U (en) | 2012-09-04 | 2012-09-04 | Anti-disassembly connecting pipe joint assembly, anti-disassembly connecting pipe device and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220448302 CN202901589U (en) | 2012-09-04 | 2012-09-04 | Anti-disassembly connecting pipe joint assembly, anti-disassembly connecting pipe device and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202901589U true CN202901589U (en) | 2013-04-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220448302 Expired - Lifetime CN202901589U (en) | 2012-09-04 | 2012-09-04 | Anti-disassembly connecting pipe joint assembly, anti-disassembly connecting pipe device and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202901589U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103899859A (en) * | 2014-03-07 | 2014-07-02 | 郑州宇通客车股份有限公司 | Tube connector sealed twice and clamping sleeve thereof |
| WO2015014084A1 (en) * | 2013-07-31 | 2015-02-05 | 广东美的制冷设备有限公司 | Disassembly-preventing pipe-connecting device and air conditioner having same |
| CN108361453A (en) * | 2018-02-09 | 2018-08-03 | 海信（山东）空调有限公司 | Anti-dismantling pipe connecting device and air conditioner |
| CN109404634A (en) * | 2017-08-18 | 2019-03-01 | 广东美的制冷设备有限公司 | Anti-dismounted tube joint assembly and air conditioner |
-
2012
- 2012-09-04 CN CN 201220448302 patent/CN202901589U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| WO2015014084A1 (en) * | 2013-07-31 | 2015-02-05 | 广东美的制冷设备有限公司 | Disassembly-preventing pipe-connecting device and air conditioner having same |
| CN103899859A (en) * | 2014-03-07 | 2014-07-02 | 郑州宇通客车股份有限公司 | Tube connector sealed twice and clamping sleeve thereof |
| CN103899859B (en) * | 2014-03-07 | 2017-01-04 | 郑州宇通客车股份有限公司 | Secondary seal pipe joint and cutting ferrule thereof |
| CN109404634A (en) * | 2017-08-18 | 2019-03-01 | 广东美的制冷设备有限公司 | Anti-dismounted tube joint assembly and air conditioner |
| CN109404634B (en) * | 2017-08-18 | 2023-09-12 | 广东美的制冷设备有限公司 | Anti-disassembly pipe joint assembly and air conditioner |
| CN108361453A (en) * | 2018-02-09 | 2018-08-03 | 海信（山东）空调有限公司 | Anti-dismantling pipe connecting device and air conditioner |
| CN108361453B (en) * | 2018-02-09 | 2019-11-01 | 海信（山东）空调有限公司 | Anti-dismantling pipe connecting 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: 20130424 Effective date of abandoning: 20160504 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |