Reducing stretching device for connecting copper pipe of air conditioner

Abstract

The utility model relates to the technical field of air conditioner connecting pipes, in particular to an air conditioner connecting copper pipe reducing stretching device which comprises a copper pipe and a connector, a telescopic steel pipe is installed in the middle of the connector, the left end of the telescopic steel pipe is connected with a left connecting sleeve, and a left connecting pipe is installed at the left end of the left connecting sleeve. A connecting groove is formed in the inner side of the right end of the left connecting pipe, the right end of the telescopic steel pipe is connected with a bearing, and the right end of a bearing seat is connected with a right connecting sleeve. According to the device, by means of the telescopic steel pipe, the bearing and other structures in the device, stretching can be conducted while diameter changing is conducted, so that the total length of the copper pipe is increased, the procedure of needing an external pipeline is omitted, and the device is convenient to use and high in practicability. The problems that the complexity of installation work is increased, and the material cost and the time cost are increased are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of air-conditioning connecting pipes, in particular to a diameter-changing and stretching device for connecting copper pipes of air-conditioning. Background Art

[0002] With the continuous development of the times, people's requirements for quality of life are gradually increasing, and the widespread popularization of air conditioners is an important manifestation of the improvement of people's quality of life. In the production process of air conditioners, the connecting copper tubes on the air conditioners are often reduced in diameter to facilitate the mutual connection between the copper tubes.

[0003] In the prior art, the reducing device for connecting the copper tube of the air conditioner has a simple structure and can only have the most basic reducing function. Whenever the length of the air conditioner copper tube connection is not enough, the length of the original copper tube can only be extended by an external copper tube, which increases the complexity of the installation work and increases the material cost and time cost.

[0004] Therefore, it is particularly important to design a diameter-reducing and stretching device for connecting copper pipes of air conditioners to improve overall practicality. Utility Model Content

[0005] The utility model aims to provide a diameter-changing and stretching device for connecting copper pipes of air conditioners, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A variable-diameter stretching device for connecting copper pipes of an air conditioner, comprising a copper pipe and a joint, a telescopic steel pipe being installed in the middle of the joint, the left end of the telescopic steel pipe being connected to a left connecting sleeve, the left end of the left connecting sleeve being installed with a left connecting pipe, a connecting groove being arranged on the inner side of the right end of the left connecting pipe, the right end of the telescopic steel pipe being connected to a bearing, the right end of the bearing seat being connected to a right connecting sleeve; a right connecting pipe being installed at the right end of the right connecting sleeve, and a plug-in sleeve being installed on the left side of the right connecting pipe.

[0008] As a preferred solution of the utility model, the inner side of the connecting groove and the outer side of the plug sleeve are both provided with thread structures, and a movable connection is formed between the inside of the connecting groove and the plug sleeve.

[0009] As a preferred solution of the utility model, the left end of the telescopic steel pipe is placed inside the connecting groove and the left side is fixedly connected to the right end of the left connecting pipe, and the right side of the telescopic steel pipe is rotatably connected to the left end of the right connecting pipe through a bearing.

[0010] As a preferred solution of the utility model, the surfaces of the copper tubes at the left and right ends are movably equipped with external connecting sleeves, and the internal structures and threaded structures of the external connecting sleeves at the left and right ends are respectively connected to the outer structures of the left connecting tube and the right connecting tube in a corresponding manner.

[0011] As a preferred solution of the utility model, the surfaces of the left connecting sleeve and the right connecting sleeve are provided with transverse anti-slip grooves.

[0012] As a preferred solution of the present invention, the telescopic steel pipe is a telescopic pipe made of stainless steel with waterproof and anti-corrosion properties.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, by setting up an air-conditioning connected copper tube variable diameter stretching device, utilizing the telescopic steel tube and bearing and other structures in the device, the copper tube can be stretched while changing its diameter, thereby increasing the total length of the copper tube, omitting the procedure requiring external pipelines, and solving the problem of increasing the complexity of installation work, and increasing material costs and time costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model in an unfolded state;

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model and the copper tube after being disassembled;

[0017] Figure 3 This is a schematic diagram of the plane perspective state of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the utility model in an unexpanded state.

[0019] In the figure: 1, copper tube; 2, joint; 3, telescopic steel tube; 4, left connecting sleeve; 5, right connecting sleeve; 6, bearing; 7, external connecting sleeve; 8, anti-slip pattern; 401, left connecting pipe; 402, connecting groove; 501, right connecting pipe; 502, plug-in sleeve. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively with reference to the relevant drawings below. Several embodiments of the utility model are given. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0022] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0024] For examples, see Figure 1-4 , the utility model provides a technical solution:

[0025] A diameter-changing and stretching device for connecting copper pipes of an air conditioner, comprising a copper pipe 1 and a joint 2, a telescopic steel pipe 3 is installed in the middle of the joint 2, so as to be connected and movable, a left connecting sleeve 4 is connected to the left end of the telescopic steel pipe 3, so as to connect and fix accessories, a left connecting pipe 401 is installed at the left end of the left connecting sleeve 4, a connecting groove 402 is arranged on the inner side of the right end of the left connecting pipe 401, so as to be placed and connected, a bearing 6 is connected to the right end of the telescopic steel pipe 3, so as to be connected and movable, a right connecting sleeve 5 is connected to the right end of the bearing 6, a right connecting sleeve 5 is installed at the right end of the right connecting sleeve 5, and a plug sleeve 502 is installed on the left side of the right connecting pipe 501;

[0026] The inner side of the connecting groove 402 and the outer side of the plug sleeve 502 are both provided with a threaded structure, and the interior of the connecting groove 402 and the plug sleeve 502 form a movably connected connection mode, so that the functioning parts can be conveniently combined or separated. The left end of the telescopic steel pipe 3 is arranged in the connecting groove 402 and the left side is fixedly connected to the right end of the left connecting pipe 401. The right side of the telescopic steel pipe 3 is rotatably connected to the left end of the right connecting pipe 501 through a bearing 6, so that the telescopic steel pipe 3 is not affected when the external rotation operation is performed. The surfaces of the left and right copper tubes 1 are movably installed with external connecting sleeves 7. The internal structures and threaded structures of the external connecting sleeves 7 at the left and right ends are respectively connected to the outer structures of the left connecting pipe 401 and the right connecting pipe 501 correspondingly, so that variable diameter splicing can be conveniently performed. The surfaces of the left connecting sleeve 4 and the right connecting sleeve 5 are provided with transverse anti-skid grooves 8 to increase friction. The telescopic steel pipe 3 is a stainless steel telescopic pipe with waterproof and anti-corrosion properties, so as to ensure the stability of the steel pipe quality and solve the problems of increasing the cumbersomeness of installation work, increasing material cost and time cost.

[0027] The working process of the utility model is as follows: first, the reducing and stretching device for connecting the copper tube of the air conditioner is placed on the platform; secondly, the outer connecting sleeves 7 at the left and right ends are respectively connected to the left connecting tube 401 and the right connecting tube 501 to complete the basic reducing and assembling work; then, the right connecting sleeve 5 is rotated to separate the plug-in sleeve 502 originally connected to the internal thread of the connecting groove 402 from the connecting groove 402; at the same time, under the action of the bearing 6, the rotating state of the right connecting sleeve 5 does not affect the static state of the telescopic steel tube 3, so that the telescopic steel tube 3 can be stretched to extend the total length of the copper tube.

[0028] The telescopic steel tube and bearings used in the present invention are all existing known parts and equipment, and can be directly purchased and used on the market. Their structures and operating principles are all existing known technologies. Therefore, the structure and control principle of the telescopic steel tube and the bearing are not described in detail here.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A diameter-reducing and stretching device for connecting copper pipes of an air conditioner, comprising a copper pipe (1) and a joint (2), characterized in that: A telescopic steel pipe (3) is installed in the middle of the joint (2); the left end of the telescopic steel pipe (3) is connected to a left connecting sleeve (4); the left end of the left connecting sleeve (4) is installed with a left connecting pipe (401); a connecting groove (402) is provided on the inner side of the right end of the left connecting pipe (401); the right end of the telescopic steel pipe (3) is connected to a bearing (6); the right end of the bearing (6) is connected to a right connecting sleeve (5); the right end of the right connecting sleeve (5) is installed with a right connecting pipe (501); and a plug sleeve (502) is installed on the left side of the right connecting pipe (501).

2. The variable diameter stretching device for connecting copper pipes of air conditioners according to claim 1, characterized in that: The inner side of the connection groove (402) and the outer side of the plug sleeve (502) are both provided with a threaded structure, and a movable connection is formed between the inside of the connection groove (402) and the plug sleeve (502).

3. The reducing and stretching device for connecting copper pipes of air conditioners according to claim 1, characterized in that: The left end of the telescopic steel pipe (3) is placed inside the connecting groove (402) and the left side is fixedly connected to the right end of the left connecting pipe (401). The right side of the telescopic steel pipe (3) is rotatably connected to the left end of the right connecting pipe (501) via a bearing (6).

4. The reducing and stretching device for connecting copper pipes of air conditioners according to claim 1, characterized in that: External connection sleeves (7) are movably mounted on the surfaces of the copper tubes (1) at the left and right ends. The internal structures and threaded structures of the external connection sleeves (7) at the left and right ends are respectively connected to the outer structures of the left connection tube (401) and the right connection tube (501) in a corresponding manner.

5. The reducing and stretching device for connecting copper pipes of air conditioners according to claim 1, characterized in that: The surfaces of the left connecting sleeve (4) and the right connecting sleeve (5) are provided with transverse anti-slip grooves (8).

6. The reducing and stretching device for connecting copper pipes of air conditioners according to claim 1, characterized in that: The telescopic steel tube (3) is a telescopic tube made of stainless steel with waterproof and anti-corrosion properties.

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