Precise copper-aluminum connecting pipe for refrigeration equipment

Abstract

The precise copper-aluminum connecting pipe for the refrigeration equipment comprises a connecting sleeve, a copper pipe and an aluminum pipe, and the copper pipe is movably connected to the left side of the interior of the connecting sleeve in an inserted mode. A copper pipe or an aluminum pipe can be replaced independently, when the copper pipe or the aluminum pipe is damaged, a rotating block only needs to be reversely rotated, then a threaded rod is driven to rotate, a threaded lifting sleeve drives a clamping block to move towards the side away from a clamping groove, then the clamping block is separated from the clamping groove, and the copper pipe or the aluminum pipe is replaced. And then the copper pipe or the aluminum pipe is pulled outwards, so that the copper pipe and the aluminum pipe are separated from each other, the copper pipe or the aluminum pipe is separated from the connecting sleeve, then the damaged copper pipe or the damaged aluminum pipe can be independently replaced, overall replacement is not needed, resource waste is avoided, and the practicability of the device is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioner accessory technical field, concretely is a kind of precision copper-aluminum connecting pipe for refrigeration equipment. BACKGROUND

[0002] Air conditioner is the most effective equipment in summer cooling, and is the necessary household appliance for every family, and air conditioner connecting pipe is an important component in the process of air conditioner installation, which connects the pipe fittings of indoor unit and outdoor unit of air conditioner.

[0003] According to the search, the patent with the application number CN200520083433.4 discloses a connecting structure of aluminum pipe and copper pipe combined pipeline between evaporator and condenser of air conditioner, which is a copper-aluminum combined connecting pipe with reinforcing ring for air conditioner. It is welded with a copper pipe at one end or both ends of the aluminum pipe, and the welding part of the copper pipe is formed into a copper-aluminum pipe joint with a straight pipe-shaped guide part at the front end and a tapered welding surface behind it. The feature is that there is an aluminum metal reinforcing ring on the outer surface of the copper-aluminum pipe joint.

[0004] However, the above-mentioned patent has the following defects in actual use: since the copper pipe and the aluminum pipe are welded together, when the copper pipe or the aluminum pipe is damaged, the copper pipe or the aluminum pipe cannot be replaced individually, but only the whole can be replaced, causing great waste of resources. Therefore, we propose a precision copper-aluminum connecting pipe for refrigeration equipment. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a precision copper-aluminum connecting pipe for refrigeration equipment to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a precision copper-aluminum connecting pipe for refrigeration equipment, comprising a connecting sleeve, a copper pipe and an aluminum pipe, the left side of the inside of the connecting sleeve movably inserts the copper pipe, the right side of the inside of the connecting sleeve movably inserts the aluminum pipe, the right side of the copper pipe penetrates the aluminum pipe and extends to the inside of the aluminum pipe, the copper pipe and the aluminum pipe are movably inserted, the left side of the aluminum pipe movably connects a sealing ring, the sealing ring is fixedly sleeved on the copper pipe, the surface of the sealing ring movably abuts against the inner wall of the connecting sleeve, and the sealing effect of the connection between the copper pipe and the aluminum pipe can be improved by setting the sealing ring.

[0007] Further, the left side of the copper pipe penetrates the connecting sleeve and extends to the outside of the connecting sleeve, the right side of the aluminum pipe penetrates the connecting sleeve and extends to the outside of the connecting sleeve, the left side of the bottom and the top of the inner wall of the connecting sleeve is provided with a first connecting groove, the right side of the inside of the first connecting groove movably clamps a first connecting block, and the first connecting block is fixedly connected with the copper pipe.

[0008] Further, the right side of the top and bottom of the inner wall of the connecting sleeve is provided with a second connecting groove, a second connecting block is movably connected to the left side of the second connecting groove, and the second connecting block is fixedly connected with the aluminum pipe.

[0009] Further, the top and bottom of the copper pipe and the top and bottom of the aluminum pipe are provided with clamping grooves, and clamping blocks movably clamped in the clamping grooves.

[0010] Further, the top and bottom of the connecting sleeve are fixedly connected with mounting racks, bearings are arranged on the side of the inner wall of the mounting rack close to the connecting sleeve, a threaded rod is rotatably connected to the bearings, a rotating block is fixedly connected to the end of the threaded rod away from the connecting sleeve, and a threaded lifting sleeve is threadedly connected to the side of the surface of the threaded rod close to the connecting sleeve.

[0011] Further, the left and right sides of the threaded lifting sleeve extend to the outside of the mounting rack, the side of the clamping block away from the clamping groove extends through the clamping groove and extends to the outside of the clamping groove and is fixedly connected with the threaded lifting sleeve, and two guide grooves are formed in the front and rear sides of the inner wall of the mounting rack.

[0012] Further, the left and right sides of the threaded lifting sleeve extend to the outside of the mounting rack, the side of the clamping block away from the clamping groove extends through the clamping groove and extends to the outside of the clamping groove and is fixedly connected with the threaded lifting sleeve, and two guide grooves are formed in the front and rear sides of the inner wall of the mounting rack.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses a copper pipe or an aluminum pipe can be replaced alone, when the copper pipe or the aluminum pipe is damaged, only need to rotate the rotating block reversely, then drive the threaded rod to rotate, then make the threaded lifting sleeve drive the clamping block to move to the side away from the clamping groove, then make the clamping block separate from the clamping groove, then pull the copper pipe or the aluminum pipe to the outside, then make the copper pipe and the aluminum pipe separate from each other, and make the copper pipe or the aluminum pipe separate from the connecting sleeve, then the damaged copper pipe or aluminum pipe can be replaced alone, need not to replace integrally, avoid causing the waste of resources, greatly improve the practicality of the device.

[0015] 2、The sealing ring can improve the sealing performance of the connection between the copper pipe and the aluminum pipe. ACCURATE DRAWINGS

[0016] Figure 1 It is a front view structural schematic diagram of the utility model;

[0017] Figure 2 It is a side view structural schematic diagram of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the connecting sleeve of the utility model;

[0019] Figure 4 is a front view structural section view of the utility model;

[0020] Figure 5 is a structure schematic view of the copper pipe of the utility model;

[0021] Figure 6 is a structure schematic view of the threaded lifting sleeve of the utility model.

[0022] In the figure: 1, connecting sleeve; 2, copper pipe; 3, aluminum pipe; 4, first connecting groove; 5, first connecting block; 6, second connecting groove; 7, second connecting block; 8, clamping groove; 9, clamping block; 10, mounting frame; 11, threaded rod; 12, rotating block; 13, threaded lifting sleeve; 14, guide groove; 15, guide plate; 16, sealing ring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0025] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication。For ordinary skilled person in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to specific circumstances.

[0026] Please refer to Figures 1-6 A kind of precision copper-aluminum connecting pipe for refrigeration equipment, including connecting sleeve 1, copper pipe 2 and aluminium pipe 3, the inside left side of connecting sleeve 1 is movably inserted with copper pipe 2, the inside right side of connecting sleeve 1 is movably inserted with aluminium pipe 3, the right side of copper pipe 2 extends to the inside of aluminium pipe 3 and penetrates aluminium pipe 3, copper pipe 2 and aluminium pipe 3 are movably inserted, the left side of aluminium pipe 3 is movably connected with sealing ring 16, sealing ring 16 is made of rubber, sealing ring 16 is fixedly sleeved on copper pipe 2, the surface of sealing ring 16 movably abuts with the inner wall of connecting sleeve 1, by setting sealing ring 16, the sealing effect of the connecting place of copper pipe 2 and aluminium pipe 3 can be improved.

[0027] Specifically, the left side of copper pipe 2 penetrates connecting sleeve 1 and extends to the outside of connecting sleeve 1, the right side of aluminium pipe 3 penetrates connecting sleeve 1 and extends to the outside of connecting sleeve 1, the left side of the inner wall bottom and top of connecting sleeve 1 is provided with first connecting groove 4, the right side of the inside of first connecting groove 4 is movably clamped with first connecting block 5, and first connecting block 5 is fixedly connected with copper pipe 2. By the cooperation of first connecting groove 4 and first connecting block 5, copper pipe 2 can be guided and limited, so that the clamping groove 8 on the copper pipe 2 can be aligned with the clamping block 9 during the installation of the copper pipe 2 and the connecting sleeve 1.

[0028] In specific implementation, the right side of the inner wall top and bottom of connecting sleeve 1 is provided with second connecting groove 6, the left side of the inside of second connecting groove 6 is movably clamped with second connecting block 7, and second connecting block 7 is fixedly connected with aluminium pipe 3. By the cooperation of second connecting groove 6 and second connecting block 7, aluminium pipe 3 can be guided and limited, so that the clamping groove 8 on the aluminium pipe 3 can be aligned with the clamping block 9 during the installation of the aluminium pipe 3 and the connecting sleeve 1.

[0029] Specifically, the top and bottom of copper pipe 2 and the top and bottom of aluminium pipe 3 are provided with clamping groove 8, and clamping block 9 movably clamped in the inside of clamping groove 8.

[0030] In the specific implementation, the top and bottom of the connecting sleeve 1 are fixedly connected with the mounting frame 10, the inner wall of the mounting frame 10 is rotatably connected with the threaded rod 11 through a bearing near the side of the connecting sleeve 1, the threaded rod 11 is fixedly connected with the rotating block 12 at the end away from the connecting sleeve 1, and the surface of the threaded rod 11 and the side near the connecting sleeve 1 are threadedly connected with the threaded lifting sleeve 13.

[0031] Specifically, the threaded lifting sleeve 13 extends to the outside of the mounting frame 10 at the left and right sides, the clamping block 9 is fixedly connected with the threaded lifting sleeve 13 at the side away from the clamping groove 8 and extending to the outside of the clamping groove 8, and the front and rear sides of the inner wall of the mounting frame 10 are provided with two guide grooves 14.

[0032] In the specific implementation, the guide plates 15 are fixedly connected with the threaded lifting sleeve 13 at the front and rear sides and positions corresponding to the guide grooves 14, the side of the guide plate 15 away from the connecting sleeve 1 penetrates through the guide groove 14 and extends to the inside of the guide groove 14, and the guide plate 15 is movably clamped with the guide groove 14.

[0033] In actual application, when the copper pipe 2 or the aluminum pipe 3 is damaged, the rotating block 12 is only reversed to rotate, thereby driving the threaded rod 11 to rotate, thereby making the threaded lifting sleeve 13 drive the clamping block 9 to move away from the side of the clamping groove 8, thereby making the clamping block 9 separate from the clamping groove 8, and then the copper pipe 2 or the aluminum pipe 3 is pulled outwards, thereby making the copper pipe 2 and the aluminum pipe 3 separate from each other and making the copper pipe 2 or the aluminum pipe 3 separate from the connecting sleeve, and then the damaged copper pipe 2 or aluminum pipe 3 can be replaced alone, without the need for overall replacement, avoiding the waste of resources, and greatly improving the practicality of the device.

[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A precision copper-aluminum connecting pipe for refrigeration equipment, comprising a connecting sleeve (1), a copper pipe (2) and an aluminum pipe (3), characterized in that: The left side of the inner part of the connecting sleeve (1) is provided with a detachable copper pipe (2), the right side of the inner part of the connecting sleeve (1) is provided with a detachable aluminum pipe (3), the right side of the copper pipe (2) penetrates the aluminum pipe (3) and extends to the inside of the aluminum pipe (3).

2. The precision copper-aluminum connecting tube for a refrigeration device according to claim 1, characterized in that: The left side of the copper pipe (2) penetrates the connecting sleeve (1) and extends to the outside of the connecting sleeve (1), the right side of the aluminum pipe (3) penetrates the connecting sleeve (1) and extends to the outside of the connecting sleeve (1), the left side of the inner wall top and bottom of the connecting sleeve (1) is provided with a first connecting groove (4), the right side of the inside of the first connecting groove (4) is movably connected with a first connecting block (5), and the first connecting block (5) is fixedly connected with the copper pipe (2).

3. The precision copper-aluminum connecting tube for a refrigeration device according to claim 2, characterized in that: The right side of the inner wall top and bottom of the connecting sleeve (1) is provided with a second connecting groove (6), the left side of the inside of the second connecting groove (6) is movably connected with a second connecting block (7), and the second connecting block (7) is fixedly connected with the aluminum pipe (3).

4. The precision copper-aluminum joint pipe for a refrigeration device according to claim 3, characterized in that: The top and bottom of the copper pipe (2) and the top and bottom of the aluminum pipe (3) are provided with clamping grooves (8), and the inside of the clamping grooves (8) is clamped with a clamping block (9) which can move up and down.

5. The precision copper-aluminum joint pipe for a refrigeration device according to claim 4, characterized in that: The top and bottom of the connecting sleeve (1) are fixedly connected with a mounting frame (10), one side of the inner wall of the mounting frame (10) close to the connecting sleeve (1) is rotatably connected with a threaded rod (11) through a bearing, one end of the threaded rod (11) away from the connecting sleeve (1) is fixedly connected with a rotating block (12), and the surface of the threaded rod (11) and the side close to the connecting sleeve (1) are threadedly connected with a threaded lifting sleeve (13).

6. The precision copper-aluminum joint pipe for a refrigeration device according to claim 5, characterized in that: The left and right sides of the threaded lifting sleeve (13) extend to the outside of the mounting frame (10), one side of the clamping block (9) away from the clamping groove (8) penetrates the clamping groove (8) and extends to the outside of the clamping groove (8) and is fixedly connected with the threaded lifting sleeve (13), and the front and rear sides of the inner wall of the mounting frame (10) are provided with two guide grooves (14).

7. The precision copper-aluminum joint pipe for a refrigeration device according to claim 6, characterized in that: The left and right sides of the threaded lifting sleeve (13) and the positions corresponding to the guide grooves (14) are fixedly connected with guide plates (15), one side of the guide plates (15) away from the connecting sleeve (1) penetrates the guide grooves (14) and extends to the inside of the guide grooves (14), and the guide plates (15) and the guide grooves (14) are movably connected.

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