CN207569397U - A kind of Anti-dismantling air conditioner connecting pipe and its air conditioner - Google Patents

A kind of Anti-dismantling air conditioner connecting pipe and its air conditioner Download PDF

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Publication number
CN207569397U
CN207569397U CN201721633445.9U CN201721633445U CN207569397U CN 207569397 U CN207569397 U CN 207569397U CN 201721633445 U CN201721633445 U CN 201721633445U CN 207569397 U CN207569397 U CN 207569397U
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CN
China
Prior art keywords
nut
air conditioner
pipe
supervisor
connecting tube
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Active
Application number
CN201721633445.9U
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Chinese (zh)
Inventor
林森荣
文超
张亮
任涛
胡佳伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TCL Air Conditioner Zhongshan Co Ltd
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TCL Air Conditioner Zhongshan Co Ltd
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Priority to CN201721633445.9U priority Critical patent/CN207569397U/en
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Abstract

The utility model discloses a kind of Anti-dismantling air conditioner connecting pipe and its air conditioner, it includes outdoor unit connecting tube, indoor unit connecting tube, the supervisor's nut being set in the indoor unit connecting tube, and the pipe fitting being fixedly connected with the outdoor unit connecting tube, supervisor's nut is connect with the pipe joint screw thread, and to dock the outdoor unit connecting tube and the indoor unit connecting tube, supervisor's nut has the first motion thread and flange;Auxiliary pipe nut is also arranged in the indoor unit connecting tube;The auxiliary pipe nut has the second motion thread screwed with first motion thread, and can be abutted against with the flange;The flange is cylinder;The auxiliary pipe nut can drive supervisor's nut to be screwed with the pipe fitting when rotating forward;Several flutings are provided on the outside of the auxiliary pipe nut;The fluting does not have the stress point firmly inverted for external tool, so as to Anti-dismantling for being broken when making the auxiliary pipe nut by predetermined torque on Anti-dismantling air conditioner connecting pipe.

Description

A kind of Anti-dismantling air conditioner connecting pipe and its air conditioner
Technical field
The utility model is related to air conditioner technical field more particularly to a kind of Anti-dismantling air conditioner connecting pipes and its air conditioner.
Background technology
Existing air conditioner needs to use connecting pipe component by indoor unit and outdoor machine refrigerant to make refrigerant circulation Circulation canal connects.When air conditioner uses combustible refrigerant (such as R-290 refrigerants), to ensure safety, it is desirable that Indoor uses non-removable connection mode with outside.Existing connecting pipe component generally comprises indoor unit connecting tube, room Outer machine connecting tube, pipe fitting and union nut, pipe fitting are fixedly connected with indoor unit connecting tube, and pipe fitting and union nut spiral shell Line coordinates docking outdoor unit connecting tube, being tightened by spanner and unscrewing pipe fitting and union nut, in order to prevent pipe fitting It is split with union nut, in the prior art by increasing protection pipe sleeve outside pipe fitting with union nut by pipe fitting with connecing Pipe nut is blocked, and so as to prevent that pipe fitting and union nut are dismantled, but protects the material that pipe sleeve uses as modeling Material, is more easily damaged after installation.
Therefore, the prior art has yet to be improved and developed.
Utility model content
The technical problem to be solved by the present invention is to for the drawbacks described above of the prior art, provide
A kind of Anti-dismantling air conditioner connecting pipe and its air conditioner, it is desirable to provide a kind of air conditioner connecting pipe that can prevent dismounting.
The utility model technical scheme applied to solve the technical problem is as follows:
A kind of Anti-dismantling air conditioner connecting pipe, including outdoor unit connecting tube, indoor unit connecting tube is set in the indoor unit Supervisor's nut in connecting tube and the pipe fitting being fixedly connected with the outdoor unit connecting tube, supervisor's nut with it is described Pipe joint screw thread connects, to dock the outdoor unit connecting tube and the indoor unit connecting tube, wherein, supervisor's nut has First motion thread and flange;Auxiliary pipe nut is also arranged in the indoor unit connecting tube;The auxiliary pipe nut have with it is described The second motion thread that first motion thread screws, and can be abutted with the flange;The flange is cylinder;The auxiliary pipe spiral shell Mother can drive supervisor's nut to be screwed with the pipe fitting when rotating forward;Several are provided on the outside of the auxiliary pipe nut to open Slot;It is described to slot to be broken when making the auxiliary pipe nut by predetermined torque.
The Anti-dismantling air conditioner connecting pipe, wherein, the smooth outer surface of the flange is described to slot along the auxiliary pipe nut Axial setting, several described flutings are along the circumferentially disposed of the auxiliary pipe nut.
The Anti-dismantling air conditioner connecting pipe, wherein, first motion thread is is arranged on supervisor's nut outer surfaces External screw thread, second motion thread is the internal thread for being arranged on the auxiliary pipe nut inner surface.
The Anti-dismantling air conditioner connecting pipe, wherein, the outer surface of the pipe fitting is provided with the first external screw thread, the supervisor The inner surface of nut be provided with first external screw thread match and the first internal thread.
The Anti-dismantling air conditioner connecting pipe, wherein, first external screw thread is equal with the first internal thread number of teeth.
The Anti-dismantling air conditioner connecting pipe, wherein, the number of teeth of first motion thread is less than first internal thread The number of teeth.
The Anti-dismantling air conditioner connecting pipe, wherein, the thread form angle of first internal thread is less than first motion thread.
The Anti-dismantling air conditioner connecting pipe, wherein, along the axial direction of supervisor's nut, first motion thread There is gap between first internal thread.
The Anti-dismantling air conditioner connecting pipe, wherein, the indoor unit connecting tube, which has, to be socketed in supervisor's nut Interface end, the interface end is into horn-like, and the big one end of the interface end diameter is towards the pipe fitting;On the pipe fitting It is provided with and the matched conical surface section of the interface end.
A kind of air conditioner, including Anti-dismantling air conditioner connecting pipe, indoor unit and outdoor unit described in as above any one, The Anti-dismantling air conditioner connecting pipe is used to connect the indoor unit and the outdoor unit.
Advantageous effect:In the utility model, the flange is smooth, on the flange and without impetus, i.e., can not make Supervisor's nut is turned with tools such as spanners, supervisor's nut can only be driven by rotating in the forward direction the auxiliary pipe nut It is screwed with the pipe fitting;After supervisor's nut and the pipe fitting are fully mated, if applying again to the auxiliary pipe nut Certain power rotation, the auxiliary pipe nut Moment can be more than predetermined torque, and the auxiliary pipe nut will be broken so that described Auxiliary nut is fallen down from the indoor unit connecting tube, is not exerted oneself on the Anti-dismantling air conditioner connecting pipe for external tool The stress point of reversion, so as to play Anti-dismantling effect.
Description of the drawings
Fig. 1 is the structure diagram of Anti-dismantling air conditioner connecting pipe described in the utility model;
Fig. 2 is the sectional view of Anti-dismantling air conditioner connecting pipe described in the utility model;
Fig. 3 is the exploded view of Anti-dismantling air conditioner connecting pipe described in the utility model.
Specific embodiment
To make the purpose of this utility model, technical solution and advantage clearer, clear and definite, develop simultaneously implementation referring to the drawings The utility model is further described in example.It should be appreciated that specific embodiment described herein is only used to explain this reality With novel, it is not used to limit the utility model.
Please refer to Fig. 1-Fig. 3, wherein, Fig. 1 is that the structure of Anti-dismantling air conditioner connecting pipe described in the utility model is shown It is intended to;Fig. 2 is the sectional view of Anti-dismantling air conditioner connecting pipe described in the utility model;Fig. 3 is tamper described in the utility model Unload the exploded view of air conditioner connecting pipe.
The utility model provides a kind of Anti-dismantling air conditioner connecting pipe, including outdoor unit connecting tube 1, indoor unit connecting tube 2, The supervisor's nut 3 being set in the indoor unit connecting tube 2 and the pipe fitting being fixedly connected with the outdoor unit connecting tube 1 4, supervisor's nut 3 is threadedly coupled with the pipe fitting 4, is connected with docking the outdoor unit connecting tube 1 with the indoor unit Pipe 2, wherein, supervisor's nut 3 has the first motion thread 31 and flange 33;It is also arranged in the indoor unit connecting tube 2 Auxiliary pipe nut 5;The auxiliary pipe nut 5 has the second motion thread 53 screwed with first motion thread 31, and can be with institute Flange 33 is stated to abut against;The flange 33 is cylinder;The auxiliary pipe nut 5 can rotate forward when drive it is described supervisor nut 3 with The pipe fitting 4 screws;The outside of the auxiliary pipe nut 5 is provided with several flutings 50;The fluting 50 is described auxiliary for making It is broken when pipe nut 5 is by predetermined torque.
One end of the indoor unit connecting tube 2 is connect with indoor unit, and the other end passes through the endoporus of the auxiliary pipe nut 5, and It is placed in supervisor's nut 3;One end of the outdoor unit connecting tube 1 is connect with outdoor unit, and the other end is solid with the pipe fitting 4 Fixed connection, one end of the pipe fitting 4 are fixedly connected with the outdoor unit connecting tube 1, the other end and supervisor's 3 screw thread of nut Connection, i.e., described pipe fitting 4 can not relatively rotate, and known in the state of the art with the outdoor unit connecting tube 1:When the interior After machine connecting tube 2 is connect with indoor unit, the indoor unit connecting tube 2 can not be relatively rotated with indoor unit;When the outdoor unit connects After take over 1 connect with outdoor unit, the outdoor unit connecting tube 1 can not be relatively rotated with outdoor unit, therefore, the pipe fitting 4 with After the outdoor unit connecting tube 1 is fixedly connected, the pipe fitting 4 can not be turned using tools such as spanners to realize the pipe fitting 4 with it is described supervisor nut 3 threaded connection, can only by rotate in the forward direction it is described supervisor nut 3 come realize it is described supervisor nut 3 with The threaded connection of the pipe fitting 4.
It can be by outer surface that staff touches other than first motion thread 31, also on supervisor's nut 3 Including the flange 33, the flange 33 is cylinder and smooth outer surface, does not have impetus on the flange 33, can not be with pulling The installation tools such as hand coordinate, i.e., supervisor's nut 3 can not be turned using the installation tools such as spanner and extracting tool.The master Pipe nut 3, also by threaded connection, the auxiliary pipe nut 5 is rotated in the forward direction, that is, rotates clockwise, makes with the auxiliary pipe nut 5 Second motion thread 53 is snap-fit attachment to the auxiliary pipe nut 5 with first motion thread 31 and offsets with the flange 33 When connecing, the auxiliary pipe nut 5 is connected as a single entity with supervisor's nut 3, is further continued for rotating in the forward direction the auxiliary pipe nut 5, institute at this time It states supervisor's nut 3 to rotate in the forward direction with the auxiliary pipe nut 5, so as to be threadedly coupled, and then by institute with the pipe fitting 4 realization Outdoor unit connecting tube 1 is stated to dock with the indoor unit connecting tube 2.By being provided with several institutes on the auxiliary pipe nut 5 State fluting 50, the thinner thickness at 50 place positions of the fluting on the auxiliary pipe nut 5 weakens the intensity of the auxiliary pipe nut 5, After supervisor's nut 3 and the pipe fitting 4 are fully mated, if applying certain power rotation, institute to the auxiliary pipe nut 5 again Predetermined torque can be more than by stating auxiliary 5 Moment of pipe nut, and the auxiliary pipe nut 5 will be broken so that the auxiliary nut is from institute It states and is fallen down in indoor unit connecting tube 2, there is no the stress firmly inverted for external tool on the Anti-dismantling air conditioner connecting pipe Point, so as to play Anti-dismantling effect.
The predetermined torque, which is more than, rotates in the forward direction the auxiliary pipe nut 5 so that supervisor's nut 3 and the pipe fitting 4 are complete The full torque that when being connected, the auxiliary pipe nut 5 is born.
The auxiliary pipe nut 5 includes annulus 51 and the more faceted pebbles 52 for being arranged on 51 outer surface of annulus;The fluting 50 It is set along the axial direction of the auxiliary pipe nut 5, several described flutings 50 are along the circumferentially disposed of the auxiliary pipe nut 5.Described second Motion thread 53 is arranged on the surface of the endoporus of the annulus 51, and the fluting 50 is arranged on more faceted pebbles 52, and described Fluting 50 is located at more faceted pebbles 52 and the closest place of the endoporus so that both by the auxiliary pipe nut 5 to realize Ensure the intensity of the auxiliary pipe nut 5 during the threaded connection for stating supervisor's nut 3 and the pipe fitting 4, and in supervisor's nut 3 Ensure after the completion of being threadedly coupled with the pipe fitting 4, when continuing to external force to the auxiliary pipe nut 5 the auxiliary pipe nut 5 compared with To be easily broken off, to destroy the auxiliary pipe nut 5, can not rotate it is described supervisor nut 3, realize it is described supervisor nut 3 with it is described Pipe fitting 4 it is non-dismountable.
First motion thread 31 is the external screw thread for being arranged on 3 outer surface of supervisor's nut, the second transmission spiral shell Line 53 is the internal thread for being arranged on auxiliary 5 inner surface of pipe nut;The outer surface of the pipe fitting 4 is provided with the first external screw thread 41, it is described supervisor nut 3 inner surface be provided with match with first external screw thread 41 and the first internal thread 34.
Further, first external screw thread 41 is equal with 34 number of teeth of the first internal thread, first motion thread 31 number of teeth is less than the number of teeth of first internal thread 34, and the thread form angle of first internal thread 34 is less than the described first transmission spiral shell Line 31, i.e., described first external screw thread 41 are more than described first with the snap-in force that first internal thread 34 cooperates when connecting and pass The snap-in force that dynamic screw thread 31 cooperates with second motion thread 53 when connecting, though so as to the auxiliary pipe nut 5 by It does not produce fracture in certain reasons, be not destroyed, can not also rotate supervisor's nut 3, to ensure supervisor's nut 3 and institute State can not dismantling for pipe fitting 4.
Supervisor's nut 3 includes the first annulus 32 and the flange 33;The flange 33 is cyclic annular, and described first Internal thread 34 is arranged on the inner surface of the flange 33, and first motion thread 31 is arranged on the appearance of first annulus 32 Face;The smooth interior surfaces of first annulus 32, in order to by the auxiliary pipe nut 5 rotate it is described supervisor nut 3 when, it is described Supervisor's nut 3 can be rotated mutually with the indoor unit connecting tube 2, and non-resistance.
Since supervisor's nut 3 needs to ensure that certain intensity could realize the indoor unit connecting tube 2 and the room Outer machine connecting tube 1 stablizes docking, and therefore, the flange 33 and first annulus 32 are required for having certain thickness;Into One step, the flange 33 is connect with first annulus 32 along the axial direction of the indoor unit connecting tube 2, and along the master On the axial direction of pipe nut 3, there is gap so that described between first motion thread 31 and first internal thread 34 First internal thread 34 misplaces completely with first motion thread 31 on the axial direction of the indoor unit connecting tube 2, no phase The part of overlapping, so as under the premise of both ensureing first annulus 32 and the flange 33 with certain thickness, ensure both It can be threadedly coupled, and can be threadedly coupled with the pipe fitting 4 with the auxiliary pipe nut 5, while reduce supervisor's nut 3 Integral thickness.
The flange 33 includes the second annulus 331 being connected and hollow horn mouth 332, and the first internal thread 34 is located at institute It states in the second annulus 331, the big one end of hollow 332 diameter of horn mouth is connect with second annulus 331, and diameter is small One end is connect with first annulus 32.After first motion thread 31 and second motion thread 53 are fully mated, The auxiliary pipe nut 5 can be abutted against with the hollow horn mouth, after supervisor's nut 3 is fully mated with the pipe fitting 4, If being further continued for force rotates the auxiliary pipe nut 5, gradually expanded in the hollow horn mouth 332 towards described 4 one end of pipe fitting Trend and the pipe fitting 4 under the resistance of supervisor's nut 3, the auxiliary pipe nut 5 and the hollow horn mouth 332, which match one end, can also have by the hollow 332 distracted trend of horn mouth so that the auxiliary pipe nut 5 is more easily rupturable.
The indoor unit connecting tube 2 has the interface end 21 being socketed in supervisor's nut 3, and the interface end 21 is in loudspeaker Shape, and the big one end of 21 diameter of the interface end is towards the pipe fitting 4;It is provided on the pipe fitting 4 and the interface 21 matched conical surface sections 42 are held, after supervisor's nut 3 is connected with the pipe fitting 4, the interface end 21 and institute It states conical surface section 42 to be connected, so as to improve the leakproofness between the indoor unit connecting tube 2 and the pipe fitting 4.It is described convex It is provided in edge 33 and the matched annular inclined surface of the interface end 21, the central axis of the annular inclined surface and described the The central axis of one annulus 32 overlaps, and in supervisor's nut 3 in the radial direction, the annular inclined surface connects towards the pipe The distance between first 4 one end and center axis are more than the annular inclined surface towards one end of the auxiliary pipe nut 5 and its The distance between central axis.After the completion of supervisor's nut 3 is threadedly coupled with the pipe fitting 4, the interface end 21 Side is contacted with the annular inclined surface, and opposite side is contacted with the conical surface section 42, so as to improve the indoor unit connecting tube 2 and The leakproofness that the outdoor unit connecting tube 1 is docked.
The utility model also provides a kind of air conditioner, including Anti-dismantling air conditioner connecting pipe, room described in as above any one Interior machine and outdoor unit, the Anti-dismantling air conditioner connecting pipe are used to connect the indoor unit and the outdoor unit.
In conclusion the utility model provides a kind of Anti-dismantling air conditioner connecting pipe and its air conditioner, including outdoor unit Connecting tube, indoor unit connecting tube, the supervisor's nut being set in the indoor unit connecting tube and with the outdoor unit connecting tube The pipe fitting being fixedly connected, supervisor's nut is connect with the pipe joint screw thread, to dock the outdoor unit connecting tube and institute Indoor unit connecting tube is stated, wherein, supervisor's nut has the first motion thread and flange;It is also covered in the indoor unit connecting tube Equipped with auxiliary pipe nut;The auxiliary pipe nut has the second motion thread for being screwed with first motion thread, and can with it is described Flange abuts against;The flange is cylinder;The auxiliary pipe nut can drive supervisor's nut to be connect with the pipe when rotating forward Head screws;Several flutings are provided on the outside of the auxiliary pipe nut;It is described to slot to make the auxiliary pipe nut by predetermined It is broken during torque so that the auxiliary nut is fallen down from the indoor unit connecting tube, the Anti-dismantling air conditioner connecting pipe The upper stress point without exerting oneself to invert for external tool, so as to play Anti-dismantling effect.

Claims (10)

1. a kind of Anti-dismantling air conditioner connecting pipe, including outdoor unit connecting tube, indoor unit connecting tube is set in the indoor unit and connects The supervisor's nut taken over and the pipe fitting being fixedly connected with the outdoor unit connecting tube, supervisor's nut and the pipe Joint screw thread connects, to dock the outdoor unit connecting tube and the indoor unit connecting tube, which is characterized in that supervisor's nut With the first motion thread and flange;Auxiliary pipe nut is also arranged in the indoor unit connecting tube;The auxiliary pipe nut have with The second motion thread that first motion thread screws, and can be abutted with the flange;The flange is cylinder;It is described auxiliary Pipe nut can drive supervisor's nut to be screwed with the pipe fitting when rotating forward;It is provided on the outside of the auxiliary pipe nut several A fluting;It is described to slot to be broken when making the auxiliary pipe nut by predetermined torque.
2. Anti-dismantling air conditioner connecting pipe according to claim 1, which is characterized in that the smooth outer surface of the flange, it is described Fluting is set along the axial direction of the auxiliary pipe nut, and described several are slotted along the circumferentially disposed of the auxiliary pipe nut.
3. Anti-dismantling air conditioner connecting pipe according to claim 1, which is characterized in that first motion thread is is arranged on The external screw thread of supervisor's nut outer surfaces is stated, second motion thread is the internal thread for being arranged on the auxiliary pipe nut inner surface.
4. Anti-dismantling air conditioner connecting pipe according to claim 3, which is characterized in that the outer surface of the pipe fitting is provided with One external screw thread, it is described supervisor nut inner surface be provided with first external screw thread match and the first internal thread.
5. Anti-dismantling air conditioner connecting pipe according to claim 4, which is characterized in that in first external screw thread and described first The screw thread number of teeth is equal.
6. Anti-dismantling air conditioner connecting pipe according to claim 5, which is characterized in that the number of teeth of first motion thread is less than The number of teeth of first internal thread.
7. Anti-dismantling air conditioner connecting pipe according to claim 5, which is characterized in that the thread form angle of first internal thread is less than First motion thread.
8. Anti-dismantling air conditioner connecting pipe according to claim 4, which is characterized in that along the axial direction of supervisor's nut On, there is gap between first motion thread and first internal thread.
9. Anti-dismantling air conditioner connecting pipe according to claim 1, which is characterized in that the indoor unit connecting tube, which has, to be socketed on Interface end in supervisor's nut, the interface end is into horn-like, and the big one end of the interface end diameter is towards the pipe Connector;It is provided on the pipe fitting and the matched conical surface section of the interface end.
10. a kind of air conditioner, which is characterized in that it includes the Anti-dismantling air conditioner connecting pipe as described in claim 1-9 any one, Indoor unit and outdoor unit, the Anti-dismantling air conditioner connecting pipe are used to connect the indoor unit and the outdoor unit.
CN201721633445.9U 2017-11-30 2017-11-30 A kind of Anti-dismantling air conditioner connecting pipe and its air conditioner Active CN207569397U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721633445.9U CN207569397U (en) 2017-11-30 2017-11-30 A kind of Anti-dismantling air conditioner connecting pipe and its air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721633445.9U CN207569397U (en) 2017-11-30 2017-11-30 A kind of Anti-dismantling air conditioner connecting pipe and its air conditioner

Publications (1)

Publication Number Publication Date
CN207569397U true CN207569397U (en) 2018-07-03

Family

ID=62689138

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721633445.9U Active CN207569397U (en) 2017-11-30 2017-11-30 A kind of Anti-dismantling air conditioner connecting pipe and its air conditioner

Country Status (1)

Country Link
CN (1) CN207569397U (en)

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