CN203404517U - Air conditioner and disassembly-preventing pipe connecting device - Google Patents
Air conditioner and disassembly-preventing pipe connecting device Download PDFInfo
- Publication number
- CN203404517U CN203404517U CN201320437771.8U CN201320437771U CN203404517U CN 203404517 U CN203404517 U CN 203404517U CN 201320437771 U CN201320437771 U CN 201320437771U CN 203404517 U CN203404517 U CN 203404517U
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- connecting device
- pipe joint
- union nut
- face
- section
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Abstract
The utility model provides a disassembly-preventing pipe connecting device. A pipe connector comprises a first outer hexagonal section and an outer thread section, a pipe connecting nut comprises a second outer hexagonal section, the outer thread section is locked into the second outer hexagonal section in the forward direction, the two end faces between the first outer hexagonal section and the second outer hexagonal section are provided with a plurality of first wedge-shaped teeth arrayed in a radial mode and a plurality of second wedge-shaped teeth arrayed in a radial mode respectively, an elastic washer is arranged between the two end faces, and the two opposite sides of the elastic washer are provided with a plurality of first locking faces and a plurality of locking faces. When the pipe connector and the pipe connecting nut are screwed in the reverse direction, the first locking face abuts against the first wedge-shaped teeth, and the second locking face abuts against the second wedge-shaped teeth. Due to the fact that the first locking face and the second locking face of the elastic washer abut against the first wedge-shaped teeth and the second wedge-shaped teeth, mistake disassembly is avoided, refrigerant leakage of an air conditioner is avoided, and life safety of a user is ensured. The utility model further provides the air conditioner with the disassembly-preventing pipe connecting device applied.
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 auxiliary nut to be connected the pipeline of vaporizer and outdoor unit.The outer surface of existing auxiliary nut is prismatic surface, there is application of force tangent plane, pipe joint is generally integral type pipe joint, mainly by thread section and prism section two-part, formed, when prism section is applied to clockwise moment, thread section rotates together with prism section, can closely cooperate with auxiliary nut, forms sealing surface.But, when prism section is applied to anticlockwise moment, drive also thread section to rotate together simultaneously, therefore, pipe joint can unclamp with coordinating of auxiliary nut, thereby, between pipe joint and auxiliary nut, there is dismountable possibility, 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 inner side of combustible refrigerant not allow to reuse detachable connector, this is because being connected between existing pipe joint and auxiliary nut has detachability, between pipe joint and auxiliary nut, can cause mistake dismounting, 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 of vaporizer and adapter complicated, also has certain risk and trouble at the indoor weld job that carries out of client simultaneously.
Model utility content
The utility model embodiment's object is to provide a kind of Anti-dismantling tube connecting device, is intended to solve the possibility that has mistake dismounting between prior art air conditioner pipe joint used and auxiliary nut, and 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 the pipe joint that is connected with an end of described the second connecting tube and sealed with by the fixing union nut therebetween in an end of described the first connecting tube with described pipe joint, described pipe joint comprises uses the first outer-hexagonal section and the external thread section screwing for instrument, described union nut comprises uses the second outer-hexagonal section screwing for instrument, described external thread section forward is locked in described the second outer-hexagonal section, the first end face of the close described second outer-hexagonal section of described the first outer-hexagonal section is provided with some the first chisel teeths that are radial arrangement, the second end face of the close described first outer-hexagonal section of described the second outer-hexagonal section is provided with some the second chisel teeths that are radial arrangement, between described the first end face and described the second end face, be provided with elastic washer, one side of described elastic washer has some the first stop surfaces, the opposite side of described elastic washer has some the second stop surfaces, described the first stop surface supports and terminates on described the first chisel teeth when described pipe joint and described union nut oppositely screw, described the second stop surface supports and terminates on described the second chisel teeth when described pipe joint and described union nut oppositely screw.
Further, described elastic washer comprises ring body and by the periphery of described ring body, is some gear pieces of radiated entends, by described the first end face, the direction to described the second end face is obliquely installed each gear piece, the first side of close described first end face of described gear piece is described the first stop surface, and the second side of close described second end face of described gear piece is described the second stop surface.
Further, the quantity of described the first chisel teeth, described the second chisel teeth and described gear piece is identical and three is corresponding one by one.
Further, each first chisel teeth joins continuously, and described the first chisel teeth has low-lying end and high-end, high-end first sidepiece that slips over the first place, side of described gear piece when described pipe joint forward screws in described union nut of described the first chisel teeth.
Further, between the low-lying end of tooth of high-end and other one first wedge shape of wherein one first chisel teeth in adjacent 2 first chisel teeths, be formed with the first block face, described the first block face when described pipe joint and described union nut oppositely screw backstop on the first stop surface of described gear piece.
Further, each second chisel teeth joins continuously, and described the second chisel teeth has low-lying end and high-end, and the high-end of described the second chisel teeth slips over second sidepiece at the second place, side of described gear piece when sealed in described union nut and described pipe joint forward.
Further, between the low-lying end of tooth of high-end and other one second wedge shape of wherein one second chisel teeth in adjacent 2 second chisel teeths, be formed with the second block face, described the second block face when described pipe joint and described union nut oppositely screw backstop on the second stop surface of described gear piece.
Further, described union nut also comprises the Taper Pipe section that is connected in described the second outer-hexagonal section, and the end of described the first connecting tube is provided with gradually wide joint of opening, and described joint is folded between the end and described Taper Pipe section of described external thread section.
Further, be formed with one first conical surface in described Taper Pipe section, the end of described external thread section is formed with second conical surface, and described joint is folded between described first conical surface and described second conical surface.
Another object of the utility model embodiment is to provide a kind of air conditioner, and it comprises indoor set, outdoor unit and 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.
Sandwiched one elastic washer between pipe joint and union nut, and the first stop surface of the relative both sides by elastic washer and the second stop surface first chisel teeth of backstop on pipe joint and the second chisel teeth on union nut respectively when pipe joint and union nut oppositely screw, oppositely screwing of pipe joint and union nut become impossible, thoroughly avoid occurring the thing of mistake dismounting, avoid the coolant leakage of air conditioner, guaranteed user's life safety.
Accompanying drawing explanation
Fig. 1 is the three-dimensional exploded view of the Anti-dismantling tube connecting device that provides of the utility model embodiment.
Fig. 2 shows the pipe joint of Anti-dismantling tube connecting device of Fig. 1 and the structural drawing of a state in the assembling process of union nut.
Fig. 3 is the circled enlarged view of Fig. 2.
Fig. 4 is the stereogram of union nut of the Anti-dismantling tube connecting device of Fig. 1.
Fig. 5 is the sectional view of union nut of the Anti-dismantling tube connecting device of Fig. 4.
Fig. 6 is the stereogram of pipe joint of the Anti-dismantling tube connecting device of Fig. 1.
Fig. 7 is the sectional view of pipe joint of the Anti-dismantling tube connecting device of Fig. 6.
Element numbers related in above-mentioned each accompanying drawing is as follows:
| Anti-dismantling |
10 | |
60 |
| The first connecting |
20 | The second outer- |
61 |
| |
21、31 | The |
62 |
| The second connecting |
30 | Taper Pipe |
63 |
| |
22 | First |
64 |
| Anti-detachable |
40 | The |
80 |
| |
50 | The second block face | 83 |
| The first outer- |
51 | |
90 |
| |
52 | The first stop surface | 91 |
| The |
53 | The second stop surface | 92 |
| Second |
54 | |
93 |
| The |
70 | |
94 |
| Low-lying end | 71、81 | The first sidepiece | 95 |
| High-end | 72、82 | The second sidepiece | 96 |
| The first block face | 73 | ? | ? |
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.
Please refer to Fig. 1 to Fig. 3, 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 the pipe joint 50 that is connected with an end 31 of described the second connecting tube 30 and sealed with by a fixing union nut 60 therebetween in end 21 of described the first connecting tube 20 with described pipe joint 50.Described pipe joint 50 comprises uses the first outer-hexagonal section 51 and the external thread section 52 screwing for instrument.Described union nut 60 comprises uses the second outer-hexagonal section 61 screwing for instrument.Described external thread section 52 forwards are locked in described the second outer-hexagonal section 61.
The first end face 53 of the close described second outer-hexagonal section 61 of described the first outer-hexagonal section 51 is provided with some the first chisel teeths 70 that are radial arrangement.The second end face 62 of the close described first outer-hexagonal section 51 of described the second outer-hexagonal section 61 is provided with some the second chisel teeths 80 that are radial arrangement.Between described the first end face 53 and described the second end face 62, be provided with elastic washer 90.One side of described elastic washer 90 has some the first stop surfaces 91.The opposite side of described elastic washer 90 has some the second stop surfaces 92.Described the first stop surface 91 supports and terminates on described the first chisel teeth 70 when described pipe joint 50 oppositely screws with described union nut 60, and described the second stop surface 92 supports and terminates on described the second chisel teeth 80 when described pipe joint 50 oppositely screws with described union nut 60.
Sandwiched one elastic washer 90 between pipe joint 50 and union nut 60, and the first stop surface 91 of the relative both sides by elastic washer 90 and the second stop surface 92 first chisel teeth 70 of backstop on pipe joint 50 and the second chisel teeth 80 on union nut 60 respectively when pipe joint 50 and union nut 60 oppositely screw, pipe joint 50 and oppositely screwing of union nut 60 are become impossible, thoroughly avoid occurring the thing of mistake dismounting, avoid the coolant leakage of air conditioner, guaranteed user's life safety.
In the present embodiment, described elastic washer 90 comprises ring body 93 and by the periphery of described ring body 93, is some gear pieces 94 of radiated entends.By described the first end face 53, the direction to described the second end face 62 is obliquely installed each gear piece 94.The first side of close described first end face 53 of described gear piece 94 is described the first stop surface 91, and the second side of close described second end face 62 of described gear piece 94 is described the second stop surface 92.In other embodiments, elastic washer 90 can be a circular ring plate structure, and in the relative both sides of circular ring plate, wedge-shaped structure is set respectively, by wedge-shaped structure, matches with the first chisel teeth 70, the second chisel teeth 80, realizes the function of Anti-dismantling.
The rectangular sheet structure of each gear piece 94, the independent existence of each gear piece 94, the bottom of each gear piece 94 is connected with described ring body 93.The quantity of described the first chisel teeth 70, described the second chisel teeth 80 and described gear piece 94 is identical and three is corresponding one by one.
Each first chisel teeth 70 joins continuously, described the first chisel teeth 70 has low-lying end 71 and high-end 72, and high-end 72 of described the first chisel teeth 70 screws in described pipe joint 50 forwards the first sidepiece 95 that described union nut 60 slips over the first place, side of described gear piece 94 when interior.Each second chisel teeth 80 joins continuously, described the second chisel teeth 80 has low-lying end 81 and high-end 82, and high-end 82 of described the second chisel teeth 80 slips over second sidepiece 96 at the second place, side of described gear piece 94 when sealed in described union nut 60 and described pipe joint 50 forwards.
Between the low-lying end 71 of tooth of high-end 72 and other one first wedge shape of wherein one first chisel teeth 70 in adjacent 2 first chisel teeths 70, be formed with the first block face 73, described the first block face 73 when described pipe joint 50 and described union nut 60 oppositely screw backstop on the first stop surface 91 of described gear piece 94.Between the low-lying end 81 of high-end 82 and other one second chisel teeth 80 of wherein one second chisel teeth 80 in adjacent 2 second chisel teeths 80, be formed with the second block face 83, described the second block face 83 when described pipe joint 50 and described union nut 60 oppositely screw backstop on the second stop surface 92 of described gear piece 94.
So, when pipe joint 50 and union nut 60 sealed when close to each other, high-end 72 of described the first chisel teeth 70 slips over after second sidepiece 96 at the second place, side that high-end 82 of first sidepiece 95 at the first place, side of described gear piece 94 and described the second chisel teeth 80 slip over described gear piece 94, gear piece 94 recovers resiliently deformable, the first stop surface 91 of gear piece 94 is faced mutually with the first block face 73 between adjacent 2 first chisel teeths 70, the second stop surface 92 of gear piece 94 is faced mutually with the second block face 83 between adjacent 2 second chisel teeths 80, when operator's misoperation, while oppositely screwing pipe joint 50 with union nut 60, the first stop surface 91 meeting backstops of gear piece 94 are on the first block face 73, the second stop surface 92 backstops of gear piece 94 are on the second block face 83, even if operator is firmly very large, gear piece 94 reverses under the acting in conjunction of the first block face 73 and the second block face 83, to increase the dismounting difficulty of dismounting pipe joint 50 and union nut 60, avoid occurring the thing of mistake dismounting, avoid the coolant leakage of air conditioner, guaranteed user's life safety.
Please refer to Fig. 4 to Fig. 7, described union nut 60 also comprises the Taper Pipe section 63 that is connected in described the second outer-hexagonal section 61.The end 21 of described the first connecting tube 20 is provided with gradually wide joint 22 of opening.Described joint 22 is folded between the end and described Taper Pipe section 63 of described external thread section 52.
In described Taper Pipe section 63, be formed with one first conical surface 64.The end of described external thread section 52 is formed with second conical surface 54.The joint 22 of described the first connecting tube 20 is folded between described first conical surface 64 and described second conical surface 54.Understandably, between the joint 22 of the first connecting tube 20 and Taper Pipe section 63 or between the joint 22 of the first connecting tube 20 and the end of external thread section 52, seal ring (not shown) can be set, to increase the sealing between three.
In the installation process of above-mentioned Anti-dismantling tube connecting device 10, one end 31 of the second connecting tube 30 is welded in described pipe joint 50, the first connecting tube 20 is penetrated to union nut 60 by the second outer-hexagonal section 61, and the joint of the first connecting tube 20 22 is placed in to the Taper Pipe section 63 of union nut 60.Then, elastic washer 90 is inserted in to the external thread section 52 of pipe joint 50, re-using screwing tool acts on respectively the first outer-hexagonal section 51 of pipe joint 50 and the second outer-hexagonal section 61 of union nut 60 and is rotated in the forward (turning clockwise), external thread section 52 is locked in union nut 60, until first stop surface 91 on elastic washer 90 two sides and the second stop surface 92 respectively with the first chisel teeth 70 of pipe joint 50, the second chisel teeth 80 phase wedge shapes of union nut 60 are connected, existence due to elastic washer 90, pipe joint 50 is sealed with the formation that coordinates between union nut 60.Once pipe joint 50 just cannot be dismantled after installing with union nut 60, avoids occurring the thing of mistake dismounting, avoids the coolant leakage of air conditioner, has guaranteed user's life and property safety.
Above-mentioned Anti-dismantling tube connecting device 10 is applied in 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 are non-dismountable connections with the second connecting tube 30, effectively prevent that the phenomenon of leading secondary refrigerant leakage because of 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 (10)
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 the pipe joint that is connected with an end of described the second connecting tube and sealed with by the fixing union nut therebetween in an end of described the first connecting tube with described pipe joint, it is characterized in that: described pipe joint comprises uses the first outer-hexagonal section and the external thread section screwing for instrument, described union nut comprises uses the second outer-hexagonal section screwing for instrument, described external thread section forward is locked in described the second outer-hexagonal section, the first end face of the close described second outer-hexagonal section of described the first outer-hexagonal section is provided with some the first chisel teeths that are radial arrangement, the second end face of the close described first outer-hexagonal section of described the second outer-hexagonal section is provided with some the second chisel teeths that are radial arrangement, between described the first end face and described the second end face, be provided with elastic washer, one side of described elastic washer has some the first stop surfaces, the opposite side of described elastic washer has some the second stop surfaces, described the first stop surface supports and terminates on described the first chisel teeth when described pipe joint and described union nut oppositely screw, described the second stop surface supports and terminates on described the second chisel teeth when described pipe joint and described union nut oppositely screw.
2. Anti-dismantling tube connecting device as claimed in claim 1, it is characterized in that: described elastic washer comprises ring body and by the periphery of described ring body, is some gear pieces of radiated entends, by described the first end face, the direction to described the second end face is obliquely installed each gear piece, the first side of close described first end face of described gear piece is described the first stop surface, and the second side of close described second end face of described gear piece is described the second stop surface.
3. Anti-dismantling tube connecting device as claimed in claim 2, is characterized in that: the quantity of described the first chisel teeth, described the second chisel teeth and described gear piece is identical and three is corresponding one by one.
4. Anti-dismantling tube connecting device as claimed in claim 2, it is characterized in that: each first chisel teeth joins continuously, described the first chisel teeth has low-lying end and high-end, high-end first sidepiece that slips over the first place, side of described gear piece when described pipe joint forward screws in described union nut of described the first chisel teeth.
5. Anti-dismantling tube connecting device as claimed in claim 4, it is characterized in that: between the low-lying end of tooth of high-end and other one first wedge shape of wherein one first chisel teeth in adjacent 2 first chisel teeths, be formed with the first block face, described the first block face when described pipe joint and described union nut oppositely screw backstop on the first stop surface of described gear piece.
6. Anti-dismantling tube connecting device as claimed in claim 2, it is characterized in that: each second chisel teeth joins continuously, described the second chisel teeth has low-lying end and high-end, and the high-end of described the second chisel teeth slips over second sidepiece at the second place, side of described gear piece when sealed in described union nut and described pipe joint forward.
7. Anti-dismantling tube connecting device as claimed in claim 6, it is characterized in that: between the low-lying end of tooth of high-end and other one second wedge shape of wherein one second chisel teeth in adjacent 2 second chisel teeths, be formed with the second block face, described the second block face when described pipe joint and described union nut oppositely screw backstop on the second stop surface of described gear piece.
8. the Anti-dismantling tube connecting device as described in claim 1-7 any one, it is characterized in that: described union nut also comprises the Taper Pipe section that is connected in described the second outer-hexagonal section, the end of described the first connecting tube is provided with gradually wide joint of opening, and described joint is folded between the end and described Taper Pipe section of described external thread section.
9. Anti-dismantling tube connecting device as claimed in claim 8, is characterized in that: in described Taper Pipe section, be formed with one first conical surface, the end of described external thread section is formed with second conical surface, and described joint is folded between described first conical surface and described second conical surface.
10. an air conditioner, it comprises indoor set and outdoor unit, it is characterized in that: described air conditioner also comprises the Anti-dismantling tube connecting device as described in claim 1-9 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 |
|---|---|---|---|
| CN201320437771.8U CN203404517U (en) | 2013-07-22 | 2013-07-22 | Air conditioner and disassembly-preventing pipe connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320437771.8U CN203404517U (en) | 2013-07-22 | 2013-07-22 | Air conditioner and disassembly-preventing pipe connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203404517U true CN203404517U (en) | 2014-01-22 |
Family
ID=49940454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320437771.8U Withdrawn - After Issue CN203404517U (en) | 2013-07-22 | 2013-07-22 | Air conditioner and disassembly-preventing pipe connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203404517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110539A (en) * | 2013-07-22 | 2014-10-22 | 广东美的制冷设备有限公司 | Air conditioner and anti-demounting connecting pipe device |
-
2013
- 2013-07-22 CN CN201320437771.8U patent/CN203404517U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110539A (en) * | 2013-07-22 | 2014-10-22 | 广东美的制冷设备有限公司 | Air conditioner and anti-demounting connecting pipe device |
| CN104110539B (en) * | 2013-07-22 | 2016-11-23 | 广东美的制冷设备有限公司 | Air-conditioner and Anti-dismantling pipe connecting device |
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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: 20140122 Effective date of abandoning: 20161012 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |