CN205402006U - Anti -disassembly connects and subassembly thereof - Google Patents
Anti -disassembly connects and subassembly thereof Download PDFInfo
- Publication number
- CN205402006U CN205402006U CN201521056827.0U CN201521056827U CN205402006U CN 205402006 U CN205402006 U CN 205402006U CN 201521056827 U CN201521056827 U CN 201521056827U CN 205402006 U CN205402006 U CN 205402006U
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- Prior art keywords
- tube
- inner connection
- connection tube
- pipe
- disassembly prevention
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- 230000002265 prevention Effects 0.000 claims description 41
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 3
- 239000002826 coolant Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
The utility model discloses an anti -disassembly connects and subassembly thereof, anti -disassembly connects and includes: outer joint pipe, interconnection are taken over and connecting portion, the in -connection pipe box is established in the outer joint pipe, connecting portion are connected periphery wall that the interconnection was taken over with the internal perisporium of outer joint pipe is worked as when external force that connecting portion received is more than or equal to the predetermined value, the connecting portion fracture. The utility model provides an anti -disassembly connects and subassembly thereof, it is provided with double -deck connecting pipe structure, treats the interconnection and take over when tightening that the disconnection is taken over to outer joint pipe and interconnection to realize anti -disassembly's function. The utility model has the characteristics of simple structure, it is easy to realize, convenient operation etc.
Description
Technical field
This utility model relates to mechanical field, particularly relates to a kind of disassembly prevention joint and assembly thereof.
Background technology
In prior art, being widely used of anti-disassembling device, it can be used in the middle of the various field of household electrical appliances, engineering etc., the air-conditioner of the conventional coolant of such as application, the connected mode of its indoor set and off-premises station is and is connected by evaporator tube joint and connecting tube horn mouth and pipe nut, is namely screwed into the end of thread of pipe joint by the pipe nut of connecting tube and fixes.This connected mode, easy for installation, to dismantle also quite convenient simultaneously.Along with the consumption that makes of conventional coolant such as R22, R410A etc. is subject to the restriction of international treaty gradually, new environmental protection coolant such as R290, R32 have begun to be applied in domestic air conditioner, but above-mentioned environmental protection coolant has inflammable and explosive characteristic, therefore have special restriction when the air-conditioner of application novel environment friendly coolant being used in GB, as having non-removable joint at indoor section, to prevent combustible refrigerant from leaking into indoor, cause potential safety hazard.Then its structure of existing anti-disassembling device is complicated, cost is high, use inconvenience.
Therefore, prior art has yet to be improved and developed.
Utility model content
In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is in that to provide a kind of disassembly prevention joint and assembly thereof, it is intended to solve its structure complexity of existing anti-disassembling device, cost is high, use the problems such as inconvenience.
The technical solution of the utility model is as follows:
A kind of disassembly prevention joint, wherein, including: outer connecting pipe, inner connection tube and connecting portion, described inner connection tube is set in described outer connecting pipe, described connecting portion connects the periphery wall of described inner connection tube and the internal perisporium of described outer connecting pipe, when the external force that described connecting portion is subject to is more than or equal to predetermined value, described connecting portion ruptures.
Described a kind of disassembly prevention joint, wherein, described outer connecting pipe is outer connecting pipe nut, and described inner connection tube is inner connection tube nut.
Described a kind of disassembly prevention joint, wherein, described connecting portion is dowel, and described dowel is provided with multiple, the spaced apart periphery being located at described inner connection tube of multiple described dowels.
A kind of disassembly prevention joint assembly, wherein, including:
First connecting tube, the second connecting tube and for connecting the disassembly prevention joint as above of described first connecting tube and the second connecting tube.
Described a kind of disassembly prevention joint assembly, wherein, the end of described first connecting tube is provided with the pipe joint for being connected to the second connecting tube, and described pipe joint is threadedly connected in described inner connection tube.
Described a kind of disassembly prevention joint assembly, wherein, described disassembly prevention joint is sheathed on outside described second connecting tube, and described pipe socket end is set to taper surface, and the end of described second connecting tube is provided with the horn mouth for mating with described taper surface.
Described a kind of disassembly prevention joint assembly, wherein, the outer surface of described inner connection tube and/or the inner surface of outer connecting pipe are the smooth face of cylinder.
Described a kind of disassembly prevention joint assembly, wherein, described inner connection tube is provided with circular port away from one end of pipe joint, and the external diameter of described circular port is bigger than the outer tube diameter of described second connecting tube, and the external diameter of described circular port is less than the external diameter of described horn mouth outermost end.
Described a kind of disassembly prevention joint assembly, wherein, it is peripheral that described outer connecting pipe is limited in described inner connection tube.
Described a kind of disassembly prevention joint assembly, wherein, two ends of described outer connecting pipe are all provided with porose position: the first position, hole near pipe joint and the second position, hole away from pipe joint, the internal diameter of described first position, hole is more than the outer tube diameter of inner connection tube relevant position, and the internal diameter of described second position, hole is less than the outer tube diameter of inner connection tube relevant position.
Beneficial effect: disassembly prevention joint provided by the utility model and assembly thereof, it is provided with double-deck connecting pipe structure, and when inner connection tube is tightened, outer connecting pipe and inner connection tube disconnect, thus realizing the function of Anti-dismantling.The features such as this utility model has simple in construction, it is achieved easily, easy to operate.
Accompanying drawing explanation
Fig. 1 is the semi-cutaway of a kind of disassembly prevention joint preferred embodiment of this utility model.
Fig. 2 is the semi-cutaway after a kind of disassembly prevention joint assembly preferred embodiment of this utility model is decomposed.
Fig. 3 is the decomposition texture schematic diagram of a kind of disassembly prevention joint preferred embodiment in this utility model.
Detailed description of the invention
This utility model provides a kind of disassembly prevention joint and assembly thereof, for making the purpose of this utility model, technical scheme and effect clearly, clearly, below this utility model is further described.Should be appreciated that specific embodiment described herein is only in order to explain this utility model, be not used to limit this utility model.
Refer to Fig. 1, Fig. 1 is the semi-cutaway of this utility model a kind of disassembly prevention joint 20 preferred embodiment, including: outer connecting pipe 301, inner connection tube 201 and connecting portion 40, described inner connection tube 201 is set in described outer connecting pipe 301, described connecting portion 40 connects the periphery wall of described inner connection tube 201 and the internal perisporium of described outer connecting pipe 301, when the external force that described connecting portion 40 is subject to is more than or equal to predetermined value, described connecting portion 40 ruptures.
Namely described connecting portion 40 its there is a maximum holding capacity (aforesaid predetermined value), when the external force that described connecting portion 40 is subject to is more than or equal to predetermined value, described connecting portion 40 ruptures, thus outer connecting pipe 301 can not be passed through so that inner connection tube 201 links, thus realizing anti-disassembling function.
Described outer connecting pipe 301 is outer connecting pipe nut, and described inner connection tube 201 is inner connection tube nut.Namely described its main body of disassembly prevention joint 20 is the bimetallic tube nut structure being made up of inner connection tube nut and outer connecting pipe nut, is attached by connecting portion 40 therebetween.
Described connecting portion 40 is dowel, and described dowel is provided with multiple, the spaced apart periphery being located at described inner connection tube 201 of multiple described dowels.Dowel 40 is preferably and is evenly and symmetrically distributed between inner connection tube 201 and outer connecting pipe 301, to avoid discontinuity.
This utility model also provides for a kind of disassembly prevention joint assembly, as in figure 2 it is shown, comprising: first connecting tube the 30, second connecting tube 50 and for connecting the disassembly prevention joint as above 20 of described first connecting tube 30 and the second connecting tube 50.This utility model is that example illustrates for air conditioner structure, it is clear that disassembly prevention joint assembly of the present utility model can be applied in other to be needed to arrange in the middle of the equipment of anti-disassembling function.The first described connecting tube 30 can be the connecting tube of air conditioner room unit, and the second described connecting tube is then indoor and outdoor connecting pipe.
The end of described first connecting tube 30 is provided with the pipe joint 10 for being connected to the second connecting tube 50, and described pipe joint 10 is threadedly connected in described inner connection tube 201.Specifically, inner surface at inner connection tube 201 is provided with screw thread 202, it is provided with the screw thread of specification coupling with it in the end of described pipe joint 10, makes inner connection tube 201 and pipe joint 10 be threaded connection, to ensure that inner connection tube 201 can be screwed in the screw thread of pipe joint 10 just.
Inner connection tube 201 and outer connecting pipe 301 it is provided with due to described disassembly prevention joint, and the power that the connecting portion 40 between inner connection tube female 201 and outer connecting pipe 301 can bear has a maximum (i.e. maximum holding capacity), namely when active force exceedes this maximum holding capacity, connecting portion 40 will rupture, and namely inner connection tube 201 and outer connecting pipe 301 separate.So when with spanner outer connecting pipe 301 being screwed into while pipe joint 10, owing to now connecting portion 40 between inner connection tube 201 and outer connecting pipe 301 is also unbroken, so inner connection tube 201 will along with outer connecting pipe 301 precession in the same direction, until inner connection tube 201 and pipe joint 10 are tightened.When now increased force is tightened on outer connecting pipe 301 again, namely exceeding the maximum holding capacity of the connecting portion 40 of centre, connecting portion 40 ruptures immediately, if turning outer connecting pipe 301 again, inner connection tube 201 will no longer link, and can realize the anti-disassembling function of junction.
This utility model is when the design phase, need to simulate and test out the power N1 needed when inner connection tube 201 is tightened on pipe joint 10, then the maximum holding capacity N2 that all dowels (constituting connecting portion 40) can bear altogether need to slightly larger than N1, quantity and the intensity of the dowel of inner connection tube 201 and outer connecting pipe 301 is designed according to power N2, to ensure when junction is tightened, the fracture of dowel can be realized a little energetically, it is achieved the separation of inner connection tube 201 and outer connecting pipe 301.
Described disassembly prevention joint 20 is sheathed on outside described second connecting tube 50, and described pipe joint 10 end is set to taper surface 101, and the end of described second connecting tube 50 is provided with the horn mouth 501 for mating with described taper surface 101.When using the air-conditioner of flammable coolant when mounted, first the horn mouth 501 of the second connecting tube 50 can be directed on the taper surface 101 of the first connecting tube 10, then again disassembly prevention joint 20 is screwed on pipe joint 10.
The outer surface of described inner connection tube 201 and/or the inner surface of outer connecting pipe 301 are the smooth face of cylinder.By one of above-mentioned or two reasons being set to shiny surface be after connecting portion 40 ruptures, tightening outer connecting pipe 301 more also cannot drive inner connection tube 201 to rotate, preferably the two is simultaneously set to the smooth face of cylinder, it is ensured that connecting portion 40 ruptures, and the latter two will not rotate simultaneously.The outer surface of outer connecting pipe 301 may be configured as hexagonal structure, it is simple to is screwed on pipe joint 10 by instruments such as spanners.
Shown in Fig. 3, described inner connection tube 201 is provided with circular port 205 away from one end (i.e. the right side of inner tube nut 201 in figure) of pipe joint 10, the external diameter of described circular port 205 is than the outer tube diameter big (such as big about 2 to 3mm) of described second connecting tube 50, and the external diameter of described circular port 205 is less than the external diameter of the outermost end of described horn mouth 501, to guarantee well to be fixed on the taper surface 101 of pipe joint 10 by horn mouth 501.
It is peripheral that described outer connecting pipe 301 is limited in described inner connection tube 201.Namely, after can making connecting portion 40 fracture, it is peripheral that outer tube nut 301 remains at inner tube nut 201.Specifically, two ends of described outer connecting pipe 301 are all provided with porose position: the first position, hole (namely in Fig. 3 position, hole) on the left of outer connecting pipe 301 near pipe joint 10 and the second position, hole away from pipe joint 10 (namely in Fig. 3 position, hole) on the right side of outer connecting pipe 301, the internal diameter of described first position, hole is more than the outer tube diameter of inner connection tube 201 relevant position (namely in Fig. 3 position, hole) on the left of inner connection tube 201, and the internal diameter of described second position, hole is less than the outer tube diameter of inner connection tube 201 relevant position (namely in Fig. 3 position, hole) on the right side of inner connection tube 201.After so can ensure that inner connection tube 201 separates with outer connecting pipe 301, outer connecting pipe 301 is still spacing peripheral at inner connection tube 201.
Action principle of the present utility model is as follows: when pipe joint 10 and the second connecting tube 50 are attached, when utilizing the instrumental purposes such as spanner on outer connecting pipe 301, and inner connection tube 201 connects outer connecting pipe 301 by connecting portion 40 and moves in the same direction, until tightening.Now more a little firmly on outer connecting pipe 301, namely active force will be greater than N2, now all dowel complete ruptures between inner connection tube 201 and outer connecting pipe 301.When now tightening again or unscrew outer connecting pipe 301, owing to inner connection tube 201 and outer connecting pipe 301 are separated, outer connecting pipe 301 will dally in situ, and inner connection tube 201 is unaffected, keeping original and tighten position, namely achieving once tighten i.e. non-removable effect.
In sum, disassembly prevention joint assembly provided by the utility model is applied in the junction of indoor set and indoor and outdoor connecting pipe, and arranges double-deck connecting tube, and when inner connection tube is tightened, outer connecting pipe and inner connection tube disconnect, thus realizing the function of Anti-dismantling.Pass through this utility model so that air-conditioner, when using environment-friendly combustibility coolant, meets the single use requirement of junction, it is prevented that dismantling again after junction is once fixing, meet GB and meet user security requirement.The features such as this utility model has simple in construction, it is achieved easily, easy to operate.
Should be understood that; application of the present utility model is not limited to above-mentioned citing; for those of ordinary skills, it is possible to improved according to the above description or convert, all these improve and convert the protection domain that all should belong to this utility model claims.
Claims (10)
1. a disassembly prevention joint, it is characterized in that, including: outer connecting pipe, inner connection tube and connecting portion, described inner connection tube is set in described outer connecting pipe, described connecting portion connects the periphery wall of described inner connection tube and the internal perisporium of described outer connecting pipe, when the external force that described connecting portion is subject to is more than or equal to predetermined value, described connecting portion ruptures.
2. a kind of disassembly prevention joint according to claim 1, it is characterised in that described outer connecting pipe is outer connecting pipe nut, and described inner connection tube is inner connection tube nut.
3. a kind of disassembly prevention joint according to claim 1, it is characterised in that described connecting portion is dowel, and described dowel is provided with multiple, the spaced apart periphery being located at described inner connection tube of multiple described dowels.
4. a disassembly prevention joint assembly, it is characterised in that including:
First connecting tube, the second connecting tube and for connecting the disassembly prevention joint as claimed in claim 1 of described first connecting tube and the second connecting tube.
5. a kind of disassembly prevention joint assembly according to claim 4, it is characterised in that the end of described first connecting tube is provided with the pipe joint for being connected to the second connecting tube, and described pipe joint is threadedly connected in described inner connection tube.
6. a kind of disassembly prevention joint assembly according to claim 5, it is characterized in that, described disassembly prevention joint is sheathed on outside described second connecting tube, and described pipe socket end is set to taper surface, and the end of described second connecting tube is provided with the horn mouth for mating with described taper surface.
7. a kind of disassembly prevention joint assembly according to claim 5, it is characterised in that the outer surface of described inner connection tube and/or the inner surface of outer connecting pipe are the smooth face of cylinder.
8. a kind of disassembly prevention joint assembly according to claim 6, it is characterized in that, described inner connection tube is provided with circular port away from one end of pipe joint, and the external diameter of described circular port is bigger than the outer tube diameter of described second connecting tube, and the external diameter of described circular port is less than the external diameter of described horn mouth outermost end.
9. a kind of disassembly prevention joint assembly according to claim 6, it is characterised in that it is peripheral that described outer connecting pipe is limited in described inner connection tube.
10. a kind of disassembly prevention joint assembly according to claim 9, it is characterized in that, two ends of described outer connecting pipe are all provided with porose position: the first position, hole near pipe joint and the second position, hole away from pipe joint, the internal diameter of described first position, hole is more than the outer tube diameter of inner connection tube relevant position, and the internal diameter of described second position, hole is less than the outer tube diameter of inner connection tube relevant position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521056827.0U CN205402006U (en) | 2015-12-17 | 2015-12-17 | Anti -disassembly connects and subassembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521056827.0U CN205402006U (en) | 2015-12-17 | 2015-12-17 | Anti -disassembly connects and subassembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205402006U true CN205402006U (en) | 2016-07-27 |
Family
ID=56449248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521056827.0U Active CN205402006U (en) | 2015-12-17 | 2015-12-17 | Anti -disassembly connects and subassembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205402006U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883084A (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 |
| 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 |
| CN107883086A (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 |
| CN107883083A (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 |
| TWI718982B (en) * | 2020-08-18 | 2021-02-11 | 鄭捷宇 | Refrigerant pipe |
-
2015
- 2015-12-17 CN CN201521056827.0U patent/CN205402006U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883084A (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 |
| 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 |
| CN107883086A (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 |
| CN107883083A (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 |
| TWI718982B (en) * | 2020-08-18 | 2021-02-11 | 鄭捷宇 | Refrigerant pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |