CN203375011U - Air conditioner and anti-disassembling pipe connecting device - Google Patents
Air conditioner and anti-disassembling pipe connecting device Download PDFInfo
- Publication number
- CN203375011U CN203375011U CN201320356698.1U CN201320356698U CN203375011U CN 203375011 U CN203375011 U CN 203375011U CN 201320356698 U CN201320356698 U CN 201320356698U CN 203375011 U CN203375011 U CN 203375011U
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- section
- connecting device
- pipe joint
- pipe
- hexagonal section
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Abstract
The utility model provides an anti-disassembling pipe connecting device. The anti-disassembling pipe connecting device comprises two connection pipes, an anti-disassembling pipe joint component and a ball expansion type plug, wherein the anti-disassembling pipe joint component is used for connecting the two connection pipes and comprises a pipe joint and an auxiliary nut, the pipe joint comprises a pipe body, an outer thread section and a first outer hexagonal section, the outer thread section and the first outer hexagonal section are formed outside the pipe body, the auxiliary nut comprises a second outer hexagonal section and an inner thread section, the outer thread section extends into the second outer hexagonal section, an outer thread of the outer thread section and an inner thread of the inner thread section of the second outer hexagonal section are locked, the ball expansion type plug comprises a plug body and a ball body, the plug body is formed by extending the outer side of the second outer hexagonal section to the outer thread section, the ball body can be squeezed into the plug body, the plug body comprises a pipe section with outer teeth and a tip portion connected with one end of the pipe section, the tip portion is snapped on the outer thread of the outer thread section, and the ball body is squeezed into the pipe section to closely match the pipe section with the second outer hexagonal section so that the pipe joint and the auxiliary nut can not be disassembled. The utility model further provides an air conditioner using the anti-disassembling pipe connecting device.
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 union nut to be connected the pipeline of vaporizer and outdoor unit.The outer surface of existing union nut is prismatic surface, there is application of force tangent plane, pipe joint is generally the integral type pipe joint, mainly by thread section and prism section two-part, formed, when the prism section is applied to clockwise moment, thread section rotates together with the prism section, can closely cooperate with union nut, forms sealing surface.But, when the prism section is applied to anticlockwise moment, drive also thread section simultaneously and rotate together, therefore, pipe joint can unclamp with coordinating of union nut, thereby, there is dismountable possibility between pipe joint and union nut, 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 inboard of combustible refrigerant not allow to reuse detachable connector, this is because being connected between existing pipe joint and union nut has detachability, can cause the mistake dismounting between pipe joint and union nut, 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 complexity of vaporizer and adapter, also has certain risk and trouble at the indoor weld job that carries out of client simultaneously.
The model utility content
The utility model embodiment's purpose is to provide a kind of Anti-dismantling tube connecting device, is intended to solve between prior art air conditioner pipe joint used and nut the possibility that has the mistake dismounting, and the 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 pipe joint and auxiliary nut, described pipe joint comprises body, be formed at the outer external thread section of described body and be formed at the first outer outer-hexagonal section of described body, described auxiliary nut comprises the second outer-hexagonal section and is formed at the internal thread segment at described the second outer-hexagonal section middle part, the described external thread section of described pipe joint stretches in described the second outer-hexagonal section, the internal thread of the internal thread segment of the outside thread of described external thread section and described the second outer-hexagonal section locks together, described Anti-detachable pipe connector assembly also comprises the ball formula plug that rises, the described ball formula plug that rises comprises that the outside by described the second outer-hexagonal section stretches to the plug body of described external thread section and can clamp-on the spheroid in described plug body, described plug body comprises the pipeline section with external tooth and is connected in the tip of an end of described pipeline section, described tip is stuck on the outside thread of described external thread section, described spheroid is clamp-oned in described pipeline section and is made described pipeline section and described the second outer-hexagonal section drive fit.
Further, described the second outer-hexagonal section offers through hole, and described plug body is placed in described through hole, and the external tooth of described pipeline section is clamp-oned in the hole wall of described through hole.
Further, described the first outer-hexagonal section extends outside described auxiliary nut.
Further, described spheroid is steel ball.
Further, described auxiliary nut is formed with a Taper Pipe section in the front end away from described pipe joint of described the second outer-hexagonal section, joint between the inside of described Taper Pipe section and described internal thread segment forms one first conical surface, and the opening of described first conical surface is enlarged gradually by front end to the rear end of described the second outer-hexagonal section.
Further, the inside of described auxiliary nut offers a circular groove between described internal thread segment and the described conical surface, and the end of stretching in described auxiliary nut of described pipe joint is formed with in order to second conical surface with described the first cone match.
Further, the end be connected with described pipe joint of described the first connecting tube is provided with gradually wide joint of opening, this end of described the first connecting tube stretches in described auxiliary nut, and described joint is folded between described first conical surface and described second conical surface.
Further, an end of described the second connecting tube is welded in the described body of described pipe joint.
Another purpose of the utility model embodiment is to provide a kind of air conditioner, it comprises indoor set and outdoor unit, described air conditioner also comprises 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.
Be provided with the ball formula plug that rises between above-mentioned pipe joint and auxiliary nut, described plug body stretches to described external thread section by the outside of described the second outer-hexagonal section, and its tip is stuck on the outside thread of described external thread section, and described spheroid is clamp-oned in described pipeline section and is made described pipeline section and described the second outer-hexagonal section drive fit, by a bit, the ball formula plug that rises links together pipe joint and auxiliary nut securely, pipe joint and auxiliary nut can't be dismantled, avoid occurring the thing of mistake dismounting, avoid the coolant leakage of air conditioner, guaranteed user's life safety.
The accompanying drawing explanation
Fig. 1 is the stereogram of the Anti-dismantling tube connecting device that provides of the utility model embodiment.
Fig. 2 is the sectional view of the Anti-dismantling tube connecting device of Fig. 1 along its axis.
Fig. 3 is the rise view sub-anatomy of formula plug of the auxiliary nut of Anti-dismantling tube connecting device of Fig. 2 and ball, and wherein, the rise spheroid of formula plug of ball is not clamp-oned in the plug body.
Fig. 4 is the rise front view of formula plug of the ball of the Anti-dismantling tube connecting device of Fig. 1.
Fig. 5 is the rise sectional view of formula plug of the ball of Fig. 4.
The rise spheroid of formula plug of the ball that Fig. 6 shows Fig. 5 is pressed into the sectional view in the plug body.
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, 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 pipe joint 50 and auxiliary nut 60.
Please consult Fig. 2, described pipe joint 50 comprises body 51, is formed at the outer external thread section 52 of described body 51 and is formed at the first outer outer-hexagonal section 53 of described body 51 simultaneously.Described auxiliary nut 60 comprises the second outer-hexagonal section 61 and is formed at the internal thread segment 62 at described the second outer-hexagonal section 61 middle parts.The described external thread section 52 of described pipe joint 50 stretches in described the second outer-hexagonal section 61.The internal thread of the internal thread segment 62 of the outside thread of described external thread section 52 and described the second outer-hexagonal section 61 locks together.
Please consult Fig. 3, described Anti-detachable pipe connector assembly 40 also comprises the ball formula plug 70 that rises simultaneously.The described ball formula plug 70 that rises comprises that the outside by described the second outer-hexagonal section 61 stretches to the plug body 71 of described external thread section 52 and can clamp-on the spheroid 72 in described plug body 71.Described plug body 71 comprises the pipeline section 74 with external tooth 73 and is connected in the tip 75 of an end of described pipeline section 74.Described tip 75 is stuck on the outside thread of described external thread section 52.Described spheroid 72 is clamp-oned in described pipeline section 74 and is made described pipeline section 74 and described the second outer-hexagonal section 61 drive fits.
Be provided with the ball formula plug 70 that rises between above-mentioned pipe joint 50 and auxiliary nut 60, described plug body 71 stretches to described external thread section 52 by the outside of described the second outer-hexagonal section 61, and its tip 75 is stuck on the outside thread of described external thread section 52, and described spheroid 72 is clamp-oned in described pipeline section 74 and is made described pipeline section 74 and described the second outer-hexagonal section 61 drive fits, thus, the ball formula plug 70 that rises links together pipe joint 50 and auxiliary nut 60 securely, pipe joint 50 can't be dismantled with auxiliary nut 60, avoid occurring the thing of mistake dismounting, avoid the coolant leakage of air conditioner, guaranteed user's life safety.
Please consult Fig. 4, described the second outer-hexagonal section 61 offers through hole 63 simultaneously.Described plug body 71 is placed in described through hole 63, and the external tooth 73 of described pipeline section 74 is clamp-oned in the hole wall of described through hole 63.Described external tooth 73 has crown 76.Crown 76 is pressed in the material of hole wall of through hole 63, thereby forms the coupling mechanism force of high pressure effectively.
Described the first outer-hexagonal section 53 extends outside described auxiliary nut 60, facilitates screwing tool to force on the first outer-hexagonal section 53.
In the present embodiment, described spheroid 72 is steel ball, and in other embodiments, described spheroid 72 can be that other metallic material make, for example, and iron, copper.
Please again consult Fig. 2 and Fig. 3, described auxiliary nut 60 is formed with a Taper Pipe section 64 in the front end away from described pipe joint 50 of described the second outer-hexagonal section 61.Joint between the inside of described Taper Pipe section 64 and described internal thread segment 62 forms one first conical surface 65.The opening of described first conical surface 65 is enlarged gradually by front end to the rear end of described the second outer-hexagonal section 61.
The inside of described auxiliary nut 60 offers a circular groove 66 between described internal thread segment 62 and described first conical surface 65.The end of stretching in described auxiliary nut 60 of described pipe joint 50 is formed with second conical surface 54 in order to coordinate with described first conical surface 65.
The end be connected with described pipe joint 50 of described the first connecting tube 20 is provided with gradually wide joint 21 of opening.This end of described the first connecting tube 20 stretches in described auxiliary nut 60.Described joint 21 is folded between described first conical surface 65 and described second conical surface 54, and thus, the first connecting tube 20 is firmly attached on Anti-detachable pipe connector assembly 40.One end of described the second connecting tube 30 is welded in the described body 51 of described pipe joint 50.
In the installation process of above-mentioned Anti-dismantling tube connecting device 10, the second connecting tube 30 is welded on the body 51 of pipe joint 50, the first connecting tube 20 inserts in auxiliary nut 60, and joint 21 is affixed on first conical surface 65, then, will be by screwing tool (for example, spanner) screw the first outer-hexagonal section 53 of pipe joint 50, make external thread section 52 lock the internal thread segment 62 of auxiliary nut 60, when joint 21 tightly be against on first conical surface 65 time, screw end, now, the rise plug body 71 of formula plug 70 of ball is inserted in the through hole 63 of auxiliary nut 60, the pipeline section 74 of plug body 71 contacts with the hole wall of through hole 63, the tip 75 of plug body 71 is stretched in the pit that the outside thread of external thread section 52 forms, then, by hand hammer and suitable drift, the tip of plug body 71 75 is driven in pit, again spheroid 72 is pressed in plug body 71 and gets final product.When spheroid 72 is forced into the inside of plug body 71, spheroid 72 makes a part of pipeline section 74 produce radial expansion, and axial stress changes the radial expansion effect of plug body 71 into.This moment, the external tooth 73 of pipeline section 74 is clamp-oned in the workpiece material of hole wall of described through hole 63, thereby forms the coupling mechanism force of effective high pressure, pins lower tube joint 50 clockwise or is rotated counterclockwise, and reaches the function that tube joint assembly 40 can't be dismantled.
Above-mentioned Anti-dismantling tube connecting device 10 is applied on 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 with the second connecting tube 30, are non-dismountable connections, effectively prevent that the phenomenon of leading secondary refrigerant leakage because of the 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 (9)
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 pipe joint and auxiliary nut, it is characterized in that: described pipe joint comprises body, be formed at the outer external thread section of described body and be formed at the first outer outer-hexagonal section of described body, described auxiliary nut comprises the second outer-hexagonal section and is formed at the internal thread segment at described the second outer-hexagonal section middle part, the described external thread section of described pipe joint stretches in described the second outer-hexagonal section, the internal thread of the internal thread segment of the outside thread of described external thread section and described the second outer-hexagonal section locks together, described Anti-detachable pipe connector assembly also comprises the ball formula plug that rises, the described ball formula plug that rises comprises that the outside by described the second outer-hexagonal section stretches to the plug body of described external thread section and can clamp-on the spheroid in described plug body, described plug body comprises the pipeline section with external tooth and is connected in the tip of an end of described pipeline section, described tip is stuck on the outside thread of described external thread section, described spheroid is clamp-oned in described pipeline section and is made described pipeline section and described the second outer-hexagonal section drive fit.
2. Anti-dismantling tube connecting device as claimed in claim 1, it is characterized in that: described the second outer-hexagonal section offers through hole, and described plug body is placed in described through hole, and the external tooth of described pipeline section is clamp-oned in the hole wall of described through hole.
3. Anti-dismantling tube connecting device as claimed in claim 1, it is characterized in that: described the first outer-hexagonal section extends outside described auxiliary nut.
4. Anti-dismantling tube connecting device as claimed in claim 1, it is characterized in that: described spheroid is steel ball.
5. Anti-dismantling tube connecting device as claimed in claim 1, it is characterized in that: described auxiliary nut is formed with a Taper Pipe section in the front end away from described pipe joint of described the second outer-hexagonal section, joint between the inside of described Taper Pipe section and described internal thread segment forms one first conical surface, and the opening of described first conical surface is enlarged gradually by front end to the rear end of described the second outer-hexagonal section.
6. Anti-dismantling tube connecting device as claimed in claim 5, it is characterized in that: the inside of described auxiliary nut offers a circular groove between described internal thread segment and described first conical surface, and the end of stretching in described auxiliary nut of described pipe joint is formed with in order to second conical surface with described the first cone match.
7. Anti-dismantling tube connecting device as claimed in claim 6, it is characterized in that: the end be connected with described pipe joint of described the first connecting tube is provided with gradually wide joint of opening, this end of described the first connecting tube stretches in described auxiliary nut, and described joint is folded between described first conical surface and described second conical surface.
8. Anti-dismantling tube connecting device as described as claim 1-7 any one, it is characterized in that: an end of described the second connecting tube is welded in the described body of described pipe joint.
9. an air conditioner, it comprises indoor set and outdoor unit, it is characterized in that: described air conditioner also comprises Anti-dismantling tube connecting device as described as claim 1-8 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 |
|---|---|---|---|
| CN201320356698.1U CN203375011U (en) | 2013-06-20 | 2013-06-20 | Air conditioner and anti-disassembling pipe connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320356698.1U CN203375011U (en) | 2013-06-20 | 2013-06-20 | Air conditioner and anti-disassembling pipe connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203375011U true CN203375011U (en) | 2014-01-01 |
Family
ID=49837540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320356698.1U Expired - Lifetime CN203375011U (en) | 2013-06-20 | 2013-06-20 | Air conditioner and anti-disassembling pipe connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203375011U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368953A (en) * | 2014-08-19 | 2015-02-25 | 上海电装燃油喷射有限公司 | Method for installing plug of natural gas engine fuel gas metering valve |
| CN106322010A (en) * | 2016-10-24 | 2017-01-11 | 深圳建康管道科技有限公司 | Spiral telescopic connection pipe connection piece |
| CN107883085A (en) * | 2017-11-28 | 2018-04-06 | 广东美的制冷设备有限公司 | Anti-dismantling pipe connection device 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 |
-
2013
- 2013-06-20 CN CN201320356698.1U patent/CN203375011U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104368953A (en) * | 2014-08-19 | 2015-02-25 | 上海电装燃油喷射有限公司 | Method for installing plug of natural gas engine fuel gas metering valve |
| CN106322010A (en) * | 2016-10-24 | 2017-01-11 | 深圳建康管道科技有限公司 | Spiral telescopic connection pipe connection piece |
| CN107883085A (en) * | 2017-11-28 | 2018-04-06 | 广东美的制冷设备有限公司 | Anti-dismantling pipe connection device 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140101 |