CN212644779U - Air conditioner connecting pipe convenient to change sheath - Google Patents

Air conditioner connecting pipe convenient to change sheath Download PDF

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Publication number
CN212644779U
CN212644779U CN202020686326.5U CN202020686326U CN212644779U CN 212644779 U CN212644779 U CN 212644779U CN 202020686326 U CN202020686326 U CN 202020686326U CN 212644779 U CN212644779 U CN 212644779U
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China
Prior art keywords
pipe
sheath
heat
pipe main
insulating
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Application number
CN202020686326.5U
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Chinese (zh)
Inventor
范国光
范宏伟
庆艳飞
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Changzhou Wankang Electron Co ltd
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Changzhou Wankang Electron Co ltd
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Priority to CN202020686326.5U priority Critical patent/CN212644779U/en
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Abstract

The utility model relates to an air conditioner connecting pipe technical field especially relates to an air conditioner connecting pipe convenient to change sheath, solves and has the insulating sheath among the prior art to corrode easily ageing, is not convenient for change and the relatively poor shortcoming of leakproofness, including connecting pipe main part, insulating sheath and connector, the insulating sheath cup joints the outside in the connecting pipe main part, the connector sets up the both sides in the connecting pipe main part respectively, the one end of connector is provided with the connection bulge, the one end of connector all is provided with the caulking groove, and evenly is provided with the screw hole on the lateral wall of caulking groove, the inside threaded connection of screw hole has fixing bolt, is convenient for change the insulating sheath, and the leakproofness is better, and rainwater etc. is difficult for getting into the inside of insulating sheath, leads to the connecting pipe to rust and corrode, the insulating sheath includes asbestos insulating layer, first polyethylene anticorrosive coating, the second polyethylene trimer anticorrosive coating and the reinforcing ribs, the heat-insulating sheath is not easy to corrode, the strength is high, and the connecting pipe is not easy to break.

Description

Air conditioner connecting pipe convenient to change sheath
Technical Field
The utility model relates to an air conditioner connecting pipe technical field specifically is an air conditioner connecting pipe convenient to change sheath.
Background
The air conditioner connecting pipe is a special air conditioner copper pipe and an accessory joint for connecting the outdoor unit and the indoor unit, and aims to connect the indoor unit and the outdoor unit, a refrigerant (Freon, commonly called snow) passes through the connecting pipe, and the outside of the connecting pipe is generally wrapped with a sheath to play a role in heat insulation;
the traditional air conditioner connecting pipe is formed by wrapping a layer of heat-insulating foam outside red copper, the heat-insulating foam is exposed outside for a long time and is easily washed by external rainwater and the like, the heat-insulating foam is easy to corrode and age, the replacement is troublesome, a gap exists between the heat-insulating foam and the connecting pipe, rainwater and the like easily enter the interior of the connecting pipe through an opening of the heat-insulating foam, the air conditioner connecting pipe is easy to corrode and rust in a wet place or in an acid-containing and alkali-containing environment, and the service life of the connecting pipe is.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air conditioner connecting pipe convenient to change sheath to the heat preservation sheath that proposes in solving above-mentioned background art corrodes easily ageing, be not convenient for change and the leakproofness between heat preservation sheath and the connecting pipe is relatively poor, causes the connecting pipe to corrode the rust problem easily.
In order to achieve the above object, the utility model provides a following technical scheme: an air conditioner connecting pipe convenient for replacing a sheath comprises a connecting pipe main body, a heat-insulating sheath and a connector, wherein the heat-insulating sheath is sleeved outside the connecting pipe main body, the connector is respectively arranged at two sides of the connecting pipe main body, one end of the connector is provided with a connecting bulge, one end of the connector close to the connecting pipe main body is provided with an embedding groove, the outer side wall of the embedding groove is uniformly provided with threaded holes along the radial direction, the inner threads of the threaded holes are connected with fixing bolts, one end of each fixing bolt extends to the inner part of each threaded hole, the heat-insulating sheath comprises an asbestos heat-insulating layer, a first trimeric ethylene anticorrosive layer, a second trimeric ethylene anticorrosive layer and reinforcing ribs, the asbestos heat-insulating layer is an annular sleeve, the first trimeric ethylene anticorrosive layer is arranged on the inner side wall of the asbestos heat-insulating layer, the, the reinforcing ribs are uniformly inserted into the asbestos heat insulation layer along the radial direction of the asbestos heat insulation layer.
Preferably, the one end that the convex part was kept away from to the connector is provided with the spread groove, and is provided with the internal thread on the inside wall of spread groove, the inside one side that is close to the connecting pipe main part of spread groove is provided with the second sealing washer.
Preferably, the inner diameter of the heat-insulating sheath is larger than the outer diameter of the connecting pipe main body, and the caulking groove is of an annular structure matched with the heat-insulating sheath.
Preferably, a first sealing ring is arranged on the side wall of the connector close to the connecting pipe main body, and the first sealing ring is of an annular structure matched with the connecting pipe main body.
Preferably, the connection protrusion extends to the inside of the connection pipe main body, and the connection protrusion is in threaded connection with the inner side wall of the connection pipe main body.
Compared with the prior art, the beneficial effects of the utility model are that: the air conditioner connecting pipe convenient for replacing the sheath
(1) The connectors are arranged at the two ends of the connecting pipe main body, the caulking grooves are formed in one ends of the connectors, the fixing bolts are arranged on the side walls of the caulking grooves in a threaded mode, when the connecting pipe main body is installed, the two ends of the heat-insulating sheath are inserted into the caulking grooves respectively, then the fixing bolts are rotated to fix the heat-insulating sheath, the heat-insulating sheath is made to abut against the inner side walls of the connectors, the sealing performance is improved, and the connecting pipe main body is prevented from being corroded and rusted due to the fact that liquid such as rainwater;
(2) the first and second polyethylene anticorrosive layers are respectively arranged on the outer side and the inner side wall of the asbestos heat-insulating layer, so that the asbestos heat-insulating layer can be prevented from being corroded, aged and cracked, and the service life of the asbestos heat-insulating layer is prolonged;
(3) the reinforcing ribs are uniformly arranged in the asbestos heat insulation layer, so that the strength of the asbestos heat insulation layer and the connecting pipe main body can be improved, and the connecting pipe main body is prevented from being broken.
Drawings
FIG. 1 is a schematic front view of the present invention in a partial sectional view;
FIG. 2 is a schematic front sectional view of the connector of the present invention;
fig. 3 is a schematic view of the side-cut structure of the heat-insulating sheath of the utility model.
In the figure: 1. a connecting pipe main body; 2. a heat-insulating sheath; 201. an asbestos insulation layer; 202. a first polyethylene trimer corrosion resistant layer; 203. a second polyethylene trimer corrosion resistant layer; 204. reinforcing ribs; 3. fixing the bolt; 4. a connector; 401. a connection projection; 402. a threaded hole; 403. connecting grooves; 404. caulking grooves; 5. a first seal ring; 6. and a second seal ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides an embodiment: an air conditioner connecting pipe convenient for replacing a sheath comprises a connecting pipe main body 1, a heat-insulating sheath 2 and a connector 4, wherein the heat-insulating sheath 2 is sleeved outside the connecting pipe main body 1, the connector 4 is respectively arranged at two sides of the connecting pipe main body 1, one end of the connector 4 is provided with a connecting bulge 401, the connecting bulge 401 extends into the connecting pipe main body 1, the connecting bulge 401 is in threaded connection with the inner side wall of the connecting pipe main body 1, the connector 4 is convenient to detach, and therefore when the heat-insulating sheath 2 is aged and broken, replacement is convenient;
the side wall of the connector 4 close to the connecting pipe main body 1 is provided with the first sealing ring 5, the first sealing ring 5 is of an annular structure matched with the connecting pipe main body 1, when the connector 4 is installed, one end of the connecting pipe main body 1 is abutted against the first sealing ring 5, so that the sealing performance can be improved, and liquid is prevented from entering between the connecting pipe main body 1 and the heat-insulating sheath 2 to cause rusting and corrosion of the connecting pipe main body 1;
a connecting groove 403 is formed in one end, far away from the connecting protruding portion 401, of the connecting head 4, internal threads are formed in the inner side wall of the connecting groove 403, a second sealing ring 6 is arranged on one side, close to the connecting pipe main body 1, inside the connecting groove 403, and when the connecting groove is connected with an internal unit and an external unit of an air conditioner, sealing performance is improved;
an embedded groove 404 is formed in one end, close to the connecting pipe main body 1, of the connector 4, threaded holes 402 are uniformly formed in the outer side wall of the embedded groove 404 in the radial direction, fixing bolts 3 are connected to the inner threads of the threaded holes 402, one ends of the fixing bolts 3 extend into the threaded holes 402, the inner diameter of the heat-insulating sheath 2 is larger than the outer diameter of the connecting pipe main body 1, the embedded groove 404 is of an annular structure matched with the heat-insulating sheath 2, the heat-insulating sheath 2 can be conveniently inserted into the embedded groove 404, the heat-insulating sheath 2 can be conveniently fixed, and the sealing performance is;
the heat-insulating sheath 2 comprises an asbestos heat-insulating layer 201, a first polyethylene anticorrosive layer 202, a second polyethylene anticorrosive layer 203 and a reinforcing rib 204, the asbestos heat-insulating layer 201 is an annular sleeve, the first polyethylene anticorrosive layer 202 is arranged on the inner side wall of the asbestos heat-insulating layer 201, the second polyethylene anticorrosive layer 203 is arranged on the outer side wall of the asbestos heat-insulating layer 201, and the reinforcing rib 204 is evenly inserted in the asbestos heat-insulating layer 201 along the radial direction of the asbestos heat-insulating layer 201.
The working principle is as follows: firstly, the heat-insulating sheath 2 is sleeved on the outer side of the connecting pipe main body 1, then the connecting bulge 401 is screwed into the connecting pipe main body 1 in sequence, one end of the connecting pipe main body 1 is abutted against the first sealing ring 5 to improve the sealing performance, one end of the heat-insulating sheath 2 is inserted into the caulking groove 404, then the fixing bolt 3 is rotated to enable one end of the fixing bolt 3 to be abutted against the heat-insulating sheath 2 to fix the heat-insulating sheath 2, rainwater is prevented from entering the inside of the heat-insulating sheath 2 to cause corrosion and rusting of the connecting pipe main body 1, when the heat-insulating sheath 2 is damaged, the connector 4 is screwed down to extract the heat-insulating sheath 2 for replacement, the connecting pipe main body 1 is connected with an air conditioner external unit and an internal unit through the connecting groove 403, the heat-insulating function of heat insulation is achieved through the asbestos heat-insulating layer 201, the first trimerization ethylene anticorrosive layer, avoid it to be corroded, prolong its life, through the inside strengthening rib 204 of asbestos insulating layer 201, can improve insulation sheath 2's mechanical strength, can play the effect of protection simultaneously, avoid connecting pipe main part 1 to be broken.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides an air conditioner connecting pipe convenient to change sheath, includes connecting pipe main part (1), insulation sheath (2) and connector (4), its characterized in that: the heat-insulating sheath (2) is sleeved on the outer side of the connecting pipe main body (1), the connectors (4) are respectively arranged on two sides of the connecting pipe main body (1), one end of each connector (4) is provided with a connecting bulge (401), one end of each connector (4) close to the connecting pipe main body (1) is provided with a caulking groove (404), the outer side wall of each caulking groove (404) is radially and uniformly provided with a threaded hole (402), the inner thread of each threaded hole (402) is connected with a fixing bolt (3), one end of each fixing bolt (3) extends to the inside of each threaded hole (402), the heat-insulating sheath (2) comprises an asbestos heat-insulating layer (201), a first trimeric ethylene anticorrosive layer (202), a second trimeric ethylene anticorrosive layer (203) and a reinforcing rib (204), the asbestos heat-insulating layer (201) is an annular sleeve, the first trimeric ethylene anticorrosive layer (202) is arranged on the inner side wall of the heat-insulating, the second trimerization ethylene anticorrosive coating (203) is arranged on the outer side wall of the asbestos heat-insulating layer (201), and the reinforcing ribs (204) are uniformly inserted into the asbestos heat-insulating layer (201) along the radial direction of the asbestos heat-insulating layer (201).
2. An air conditioner connecting pipe convenient for replacing a sheath according to claim 1, wherein: one end that connection bulge (401) was kept away from in connector (4) is provided with spread groove (403), and is provided with the internal thread on the inside wall of spread groove (403), the inside one side that is close to connecting pipe main part (1) of spread groove (403) is provided with second sealing washer (6).
3. An air conditioner connecting pipe convenient for replacing a sheath according to claim 1, wherein: the inner diameter of the heat-insulating sheath (2) is larger than the outer diameter of the connecting pipe main body (1), and the caulking groove (404) is of an annular structure matched with the heat-insulating sheath (2).
4. An air conditioner connecting pipe convenient for replacing a sheath according to claim 1, wherein: the connecting pipe is characterized in that a first sealing ring (5) is arranged on the side wall, close to the connecting pipe main body (1), of the connecting head (4), and the first sealing ring (5) is of an annular structure matched with the connecting pipe main body (1).
5. An air conditioner connecting pipe convenient for replacing a sheath according to claim 1, wherein: the connecting protrusion (401) extends to the inside of the connecting pipe main body (1), and the connecting protrusion (401) is in threaded connection with the inner side wall of the connecting pipe main body (1).
CN202020686326.5U 2020-04-29 2020-04-29 Air conditioner connecting pipe convenient to change sheath Active CN212644779U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020686326.5U CN212644779U (en) 2020-04-29 2020-04-29 Air conditioner connecting pipe convenient to change sheath

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020686326.5U CN212644779U (en) 2020-04-29 2020-04-29 Air conditioner connecting pipe convenient to change sheath

Publications (1)

Publication Number Publication Date
CN212644779U true CN212644779U (en) 2021-03-02

Family

ID=74795110

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020686326.5U Active CN212644779U (en) 2020-04-29 2020-04-29 Air conditioner connecting pipe convenient to change sheath

Country Status (1)

Country Link
CN (1) CN212644779U (en)

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