Quickly-inserted copper-aluminum pipe

Abstract

The utility model relates to the technical field of copper-aluminum pipes, in particular to a quick-insertion type copper-aluminum pipe, which comprises a copper pipe and an aluminum pipe, an insertion pipe is fixedly mounted on the aluminum pipe, one end of the copper pipe is inserted into the inner wall of the insertion pipe, a fixing mechanism is arranged in the copper pipe, a sealing mechanism is arranged at the end part of the aluminum pipe, the fixing mechanism comprises a groove, and the sealing mechanism is arranged in the groove. The groove is formed in the copper pipe, a limiting block is arranged on the inner wall of the groove in a sliding mode, an inserting block is fixedly installed on the limiting block, and one end of the inserting block penetrates through the inner wall of the copper pipe. By arranging the fixing mechanism, the copper pipe is directly inserted into the insertion pipe on the surface of the aluminum pipe, connection and fixation of the copper pipe and the aluminum pipe can be achieved, operation is easy and convenient, by arranging the sealing mechanism, the purpose of improving the sealing performance between the copper pipe and the aluminum pipe is achieved, meanwhile, the sealing ring is convenient to disassemble and convenient to replace, and the service life of the aluminum pipe is prolonged. Therefore, the purpose of keeping the sealing performance effective for a long time is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to copper aluminium pipe technical field especially relates to a quick -plug type copper aluminium pipe. BACKGROUND

[0002] Copper aluminium pipe is a kind of composite pipe, it is combined by copper pipe and aluminium pipe by special technology, it has the corrosion resistance, high thermal conductivity of copper and the lightweight, low cost advantage of aluminium.Copper aluminium pipe is widely used in the refrigerant transmission of air conditioner, refrigeration system, especially suitable for the scene needing to reduce weight or reduce cost.

[0003] In practical application, when connecting copper pipe and aluminium pipe, there are some problems.The traditional copper aluminium pipe connecting mode, such as welding, threaded connection, the operation process is relatively complex, needs professional tool and technical personnel, not only increases installation cost and time, and in some narrow space or special environment, the operation difficulty is greater, in addition, when sealing component appears damage, it is more troublesome to replace, it is difficult to guarantee the long-term effectiveness of sealing performance. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the above-mentioned shortcomings in prior art and provides a quick -plug type copper aluminium pipe.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] Design a quick -plug type copper aluminium pipe, including copper pipe and aluminium pipe, the aluminium pipe is fixedly installed with pipe, the one end of copper pipe is inserted with the inner wall of pipe, the copper pipe is provided with fixed mechanism, the end of aluminium pipe is provided with sealing mechanism, the fixed mechanism includes recess, the recess is opened in the copper pipe, the inner wall of recess is slidably provided with limit block, the limit block is fixedly installed with plug, the one end of plug penetrates the inner wall of copper pipe, the inner wall of pipe is provided with slot, the inner wall of recess is fixedly installed with spring, and one end of spring is fixedly connected with limit block;

[0007] The sealing mechanism includes installation groove, the installation groove is opened in the end of aluminium pipe, the inner wall of installation groove is inserted with installation block, the one end of installation block is fixedly installed with sealing ring, and the end of copper pipe is provided with sealing groove.

[0008] Further, the number of recesses is two, and the shape of the two recesses is a square groove.

[0009] Further, the cross-sectional shape of the limit block is adapted to the cross-sectional shape of the recess, the number of limit blocks is two, and a connecting rod is fixedly installed on the limit block.

[0010] Further, the shape of the connecting rod is a cylindrical rod, one end of the connecting rod is fixedly provided with a pressing rod, and the number of the pressing rods is two.

[0011] Further, the number of the insertion grooves is two, the shapes of the two insertion grooves are square grooves, the copper pipe is fixedly provided with a receiving plate, and the number of the receiving plates is two.

[0012] Further, the receiving plate is fixedly provided with a positioning rod, the number of the positioning rods is two, the shapes of the two positioning rods are cylindrical rods, the end of the insertion pipe is provided with a positioning groove, the number of the positioning grooves is two, and the shapes of the two positioning grooves are cylindrical grooves.

[0013] Further, the shape of the mounting groove is a circular ring groove, the shape of the sealing groove is a circular ring, the shape of the mounting block is a circular ring, and the mounting block is made of elastic rubber.

[0014] The quick insertion type copper-aluminum pipe has the beneficial effects that: the fixed mechanism is arranged, the copper pipe is directly inserted into the insertion pipe on the surface of the aluminum pipe, the connection and fixation of the copper pipe and the aluminum pipe are realized, the operation is simple and convenient, the sealing mechanism is arranged, the sealing property between the copper pipe and the aluminum pipe is improved, the sealing ring is convenient to disassemble, the replacement of the sealing ring is facilitated, the long-term effective sealing performance is maintained, and the purpose is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the overall structure of the utility model;

[0016] Figure 2 It is a schematic view of the aluminum pipe of the utility model;

[0017] Figure 3 It is a schematic view of the copper pipe of the utility model;

[0018] Figure 4 It is a sectional view of the overall structure of the utility model;

[0019] Figure 5 It is Figure 4 the enlarged structure schematic view of A area.

[0020] In the drawing: 1, copper pipe; 21, insertion pipe; 22, pressing rod; 23, positioning groove; 24, insertion groove; 25, receiving plate; 26, positioning rod; 27, connecting rod; 28, insertion block; 29, limiting block; 210, spring; 211, groove; 31, mounting groove; 32, sealing groove; 33, mounting block; 34, sealing ring; 4, aluminum pipe. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are merely part of the embodiments of the present application, rather than all the embodiments.

[0022] Referring to Figures 1-5 The fast-plug copper-aluminum pipe comprises a copper pipe 1 and an aluminum pipe 4, the aluminum pipe 4 is fixedly installed with a plug pipe 21, one end of the copper pipe 1 is inserted into the inner wall of the plug pipe 21, and the copper pipe 1 is provided with a fixing mechanism. The fixing mechanism is provided, so that the aluminum pipe 4 is conveniently fixed to the copper pipe 1, the operation is simple and convenient, the end of the aluminum pipe 4 is provided with a sealing mechanism, the sealing mechanism is provided, so that the sealing performance between the copper pipe 1 and the aluminum pipe 4 is improved, the sealing ring 34 is convenient to disassemble and replace, so that the sealing performance is kept effective for a long time, the fixing mechanism comprises a groove 211, the groove 211 is arranged in the copper pipe 1, the groove 211 is arranged for slidingly accommodating the limiting block 29, the limiting block 29 is slidingly arranged on the inner wall of the groove 211, the limiting block 29 is fixedly installed with a plug block 28, the plug block 28 is arranged for being inserted into the insertion groove 24, the cross section of the plug block 28 is triangular, one end of the plug block 28 penetrates the inner wall of the copper pipe 1, the inner wall of the plug pipe 21 is provided with the insertion groove 24, the insertion groove 24 is arranged for accommodating the plug block 28, the inner wall of the groove 211 is fixedly installed with a spring 210, one end of the spring 210 is fixedly connected with the limiting block 29, and the spring 210 is arranged for applying force to the plug block 28, so that the plug block 28 is inserted into the insertion groove 24.

[0023] The sealing mechanism comprises a mounting groove 31, the mounting groove 31 is arranged at the end of the aluminum pipe 4, the mounting groove 31 is inserted with a mounting block 33, the mounting block 33 is arranged for accommodating the mounting of the sealing ring 34, one end of the mounting block 33 is fixedly installed with the sealing ring 34, the end of the copper pipe 1 is provided with a sealing groove 32, and the sealing groove 32 is arranged for accommodating the insertion and extrusion of the sealing ring 34.

[0024] In detail, the number of the grooves 211 is two, the shapes of the two grooves 211 are square grooves, and the grooves 211 are arranged for slidingly accommodating the limiting block 29.

[0025] Further, the cross section shape of the limiting block 29 is matched with the cross section shape of the groove 211, the number of the limiting blocks 29 is two, the limiting block 29 is fixedly installed with a connecting rod 27, and the connecting rod 27 is arranged for accommodating the mounting of the pressing rod 22.

[0026] Further, the connecting rod 27 is a cylindrical rod, one end of the connecting rod 27 is fixedly installed with the pressing rod 22, the number of the pressing rods 22 is two, and the two pressing rods 22 are arranged for simultaneously moving the plug blocks 28 on the two sides.

[0027] In more detail, the number of the slots 24 is two, the shape of the two slots 24 is square slot, the copper pipe 1 is fixedly provided with the receiving plates 25, the number of the receiving plates 25 is two, the receiving plates 25 are arranged for receiving the installation of the positioning rods 26.

[0028] In general, the receiving plates 25 are fixedly provided with the positioning rods 26, the number of the positioning rods 26 is two, the shape of the two positioning rods 26 is cylindrical rod, the end of the pipe 21 is provided with the positioning slots 23, the number of the positioning slots 23 is two, the shape of the two positioning slots 23 is cylindrical slot, the cross-sectional dimension of the positioning slots 23 is matched with the cross-sectional dimension of the positioning rods 26, through the arrangement of the positioning rods 26 and the positioning slots 23, the aluminum pipe 4 is conveniently positioned and installed on the copper pipe 1.

[0029] Finally, the shape of the installation slot 31 is circular ring slot, the shape of the sealing slot 32 is circular ring, the shape of the installation block 33 is circular ring, the installation block 33 is made of elastic rubber, through the arrangement of the installation block 33 made of elastic rubber, the installation block 33 is conveniently taken out from the installation slot 31, so as to achieve the purpose of conveniently replacing the sealing ring 34.

[0030] The working mode is that when the aluminum pipe 4 needs to be installed on the copper pipe 1, the copper pipe 1 is inserted into the pipe 21 on the surface of the aluminum pipe 4, and the positioning rod 26 on the surface of the copper pipe 1 is inserted into the positioning slot 23, so as to realize the positioning and insertion of the copper pipe 1, and in the process of inserting the copper pipe 1, since the shape of the insertion block 28 is triangular, when being extruded by the inner wall of the pipe 21, the insertion block 28 slides into the groove 211 until the insertion slot 24 of the inner wall of the pipe 21 moves to the position of the insertion block 28, at this time, the insertion block 28 is inserted into the insertion slot 24 under the action of the spring 210, so as to complete the installation, which is simple and convenient, when disassembling, the two press rods 22 are pressed towards each other, the press rod 22 drives the insertion block 28 to move through the limiting block 29 until the insertion block 28 moves out of the insertion slot 24, so as to release the fixation of the copper pipe 1.

[0031] In the process of installation, the sealing ring 34 is inserted into the sealing slot 32, so as to realize the sealing purpose between the support copper pipe 1 and the aluminum pipe 4, and after the aluminum pipe 4 and the copper pipe 1 are separated, through the arrangement of the installation block 33 made of elastic rubber, cooperating with the installation slot 31, the sealing ring 34 is conveniently taken down, so as to facilitate the replacement of the sealing ring 34.

[0032] The above is only the preferred specific implementation mode of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A quick-connect copper-aluminum tube, comprising a copper tube (1) and an aluminum tube (4), characterized in that: An insert (21) is fixedly installed on the aluminum tube (4), one end of the copper tube (1) is inserted into the inner wall of the insert (21), a fixing mechanism is provided inside the copper tube (1), and a sealing mechanism is provided at the end of the aluminum tube (4). The fixing mechanism includes a groove (211) which is opened inside the copper tube (1). A limiting block (29) is slidably provided on the inner wall of the groove (211). An insert (28) is fixedly installed on the limiting block (29). One end of the insert (28) penetrates the inner wall of the copper tube (1). A slot (24) is opened on the inner wall of the insert tube (21). A spring (210) is fixedly installed on the inner wall of the groove (211). One end of the spring (210) is fixedly connected to the limiting block (29). The sealing mechanism includes a mounting groove (31), which is located at the end of the aluminum tube (4). A mounting block (33) is inserted into the inner wall of the mounting groove (31). A sealing ring (34) is fixedly installed at one end of the mounting block (33). A sealing groove (32) is provided at the end of the copper tube (1).

2. The quick-connect copper-aluminum tube according to claim 1, characterized in that: There are two grooves (211), and both grooves (211) are square grooves.

3. The quick-connect copper-aluminum tube according to claim 1, characterized in that: The cross-sectional shape of the limiting block (29) is adapted to the cross-sectional shape of the groove (211). There are two limiting blocks (29), and a connecting rod (27) is fixedly installed on the limiting block (29).

4. A quick-connect copper-aluminum tube according to claim 3, characterized in that: The connecting rod (27) is cylindrical in shape, and a push rod (22) is fixedly installed at one end of the connecting rod (27). There are two push rods (22).

5. A quick-connect copper-aluminum tube according to claim 1, characterized in that: There are two slots (24), and the two slots (24) are square grooves. A receiving plate (25) is fixedly installed on the copper pipe (1), and there are two receiving plates (25).

6. A quick-connect copper-aluminum tube according to claim 5, characterized in that: Positioning rods (26) are fixedly installed on the receiving plate (25). There are two positioning rods (26), and the two positioning rods (26) are cylindrical rods. The end of the insertion tube (21) is provided with positioning grooves (23). There are two positioning grooves (23), and the two positioning grooves (23) are cylindrical grooves. The cross-sectional dimensions of the positioning grooves (23) are adapted to the cross-sectional dimensions of the positioning rods (26).

7. A quick-connect copper-aluminum tube according to claim 1, characterized in that: The mounting groove (31) is an annular groove, the sealing groove (32) is an annular, the mounting block (33) is an annular, and the mounting block (33) is made of elastic rubber.

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