Reducing welding-free air conditioner connecting pipe

Abstract

The utility model discloses a reducing welding-free air conditioner connecting pipe, which belongs to the technical field of air conditioner connecting pipes and comprises a connecting pipe A, a connecting pipe B and a connecting component. The connecting pipe B is connected with the connecting pipe A through a connecting assembly; the connecting assembly comprises an internal thread bushing A, an internal thread bushing B, an external thread bushing A, an external thread bushing B, a hexagonal sleeve block and a connecting piece; the inner threaded sleeve A is sleeved on the connecting pipe A; the internal thread sleeve B is sleeved on the connecting pipe B; the external thread bushing A is in threaded connection with the internal thread bushing A; the external thread sleeve B is in threaded connection with the internal thread sleeve B; the hexagonal sleeve block is fixedly arranged on the external thread sleeve A; the connecting piece is fixedly arranged on the side, away from the outer threaded sleeve A, of the hexagonal sleeve block, and the connecting piece is fixedly connected with the outer threaded sleeve B. According to the different-diameter welding-free air conditioner connecting pipe, the situation that two air conditioner connecting pipes are connected in a welding mode can be avoided, and the overall attractiveness of the air conditioner connecting pipe is improved; and two air conditioner connecting pipes with different-diameter connectors can be conveniently connected.

Description

Technical Field

[0001] The utility model belongs to the technical field of air conditioner connecting pipes, in particular to a reducing non-welded air conditioner connecting pipe. Background Technique

[0002] The air conditioner connecting pipe refers to the connecting pipeline system between the indoor unit and the outdoor unit of the air conditioner. Currently, most domestic enterprises use copper pipes, and reducing means two interfaces with different sizes.

[0003] Currently, most of the products on the market connect two air conditioner connecting pipes by welding. Welding will form a weld at the connection between the two air conditioner connecting pipes, which not only affects the overall aesthetics of the air conditioner connecting pipe, but also makes it inconvenient to replace a specific section of the air conditioner connecting pipe. Moreover, it is very difficult to connect two air conditioner connecting pipes with reducing interfaces by welding, thus affecting the use effect of the air conditioner connecting pipe. Content of the Utility Model

[0004] The purpose of the utility model is to provide a reducing non-welded air conditioner connecting pipe to solve the problems put forward in the background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A reducing non-welded air conditioner connecting pipe, including connecting pipe A, connecting pipe B and a connecting component; the connecting pipe B is connected to the connecting pipe A through the connecting component; wherein, the connecting component includes an internal thread sleeve A, an internal thread sleeve B, an external thread sleeve A, an external thread sleeve B, a hexagonal sleeve block and a connecting piece; the internal thread sleeve A is sleeved on the connecting pipe A; the internal thread sleeve B is sleeved on the connecting pipe B; the external thread sleeve A is threadedly connected to the internal thread sleeve A, and the external thread sleeve A is in contact with the surface of the connecting pipe A; the external thread sleeve B is threadedly connected to the internal thread sleeve B, and the external thread sleeve B is in contact with the surface of the connecting pipe B; the hexagonal sleeve block is fixed on the external thread sleeve A; the connecting piece is fixed on the side of the hexagonal sleeve block away from the external thread sleeve A, and the connecting piece is fixedly connected to the external thread sleeve B.

[0006] As a preferred implementation, the interface size of the connecting pipe A is smaller than the interface size of the connecting pipe B.

[0007] As a preferred implementation, the connecting piece is a hollow frustum-shaped structure, and the size of the connecting piece near the hexagonal sleeve block is smaller than the size of the connecting piece away from the hexagonal sleeve block.

[0008] As a preferred implementation, it further includes a reinforcement component; the reinforcement component is arranged on the internal thread sleeve A and the internal thread sleeve B.

[0009] As a preferred embodiment, the reinforcement assembly includes elastic member A, elastic member B, extrusion groove A and extrusion groove B; a plurality of elastic members A are fixedly arranged in the internal thread sleeve A in an annular array; wherein, there is a gap between the elastic member A and the connecting pipe A; a plurality of elastic members B are fixedly arranged in the internal thread sleeve B in an annular array; wherein, there is a gap between the elastic member B and the connecting pipe B; an extrusion groove A is formed in the external thread sleeve A; an extrusion groove B is formed in the external thread sleeve B.

[0010] As a preferred embodiment, both the elastic member A and the elastic member B are in an arc structure, the cross-sections of the elastic member A and the elastic member B are in a right triangle structure, and the inclined surfaces of the elastic member A and the elastic member B are respectively arranged close to the directions of the internal thread sleeve A and the internal thread sleeve B.

[0011] As a preferred embodiment, both the extrusion groove A and the extrusion groove B are in a frustum shape structure, and the inclined surfaces of the extrusion groove A and the inclined surface of the extrusion groove B are respectively in extrusion contact with the inclined surface of the elastic member A and the inclined surface of the elastic member B.

[0012] Compared with the prior art, the technical effects and advantages of the present utility model are as follows:

[0013] For this different-diameter non-welded air-conditioning connecting pipe, through the provided connecting assembly, when it is necessary to connect the connecting pipe A and the connecting pipe B, first, the internal thread sleeve A and the internal thread sleeve B are respectively sleeved on the connecting pipe A and the connecting pipe B. Subsequently, the interfaces of the connecting pipe A and the connecting pipe B are flared, so that the size of the interface of the connecting pipe A or the connecting pipe B is larger than the inner wall size of the internal thread sleeve A or the internal thread sleeve B, and the positions of the internal thread sleeve A or the internal thread sleeve B on the connecting pipe A or the connecting pipe B are fixed. Subsequently, the external thread sleeve A is screwed into the internal thread sleeve A until the end face of the external thread sleeve A contacts the inner wall of the internal thread sleeve A, and then the external thread sleeve B is screwed into the internal thread sleeve B in the above manner until the end face of the external thread sleeve B contacts the inner wall of the internal thread sleeve B. At this time, the connection of the connecting pipe A and the connecting pipe B is completed, which can facilitate the connection of the connecting pipe A and the connecting pipe B, and avoid the need to use the traditional welding method for connection, improving the overall aesthetics of the air-conditioning connecting pipe.

[0014] For this different-diameter non-welded air-conditioning connecting pipe, by setting the elastic member A, the elastic member B, the extrusion groove A and the extrusion groove B, the relative acting force generated by the deformation of the elastic member A and the elastic member B under force will not only make the positions of the internal thread sleeve A or the internal thread sleeve B on the connecting pipe A or the connecting pipe B more stable, but also make the threaded connection between the external thread sleeve A and the internal thread sleeve A or the threaded connection between the external thread sleeve B and the internal thread sleeve B more firm, greatly improving the connection stability of the connecting pipe A and the connecting pipe B. Description of the Drawings

[0015] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0016] Figure 1 Schematic diagram of the overall structure of the present invention;

[0017] Figure 2 Cross-sectional view of the overall structure of the present invention;

[0018] Figure 3 Partial structure split cross-sectional view of the present invention;

[0019] Figure 4 Schematic diagram of the structures of elastic member A and elastic member B of the present invention;

[0020] Figure 5 For the present invention Figure 2 Enlarged view of location A in

[0021] Explanation of reference numerals:

[0022] In the figure:

[0023] 1. Connecting pipe A; 2. Connecting pipe B; 3. Connecting assembly; 4. Reinforcing assembly;

[0024] 301. Internal thread sleeve A; 302. Internal thread sleeve B; 303. External thread sleeve A; 304. External thread sleeve B; 305. Hexagonal sleeve block; 306. Connecting piece;

[0025] 401. Elastic member A; 402. Elastic member B; 403. Extrusion groove A; 404. Extrusion groove B. Specific embodiments

[0026] In the following description, a large number of specific details are given to provide a more thorough understanding of the present invention. However, it is obvious to those skilled in the art that the present invention can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present invention, some well-known technical features in the art are not described.

[0027] Unless otherwise defined, the up, down, left, right, front, back, inner, and outer directions involved in this article are based on the up, down, left, right, front, back, inner, and outer directions in the figures shown in the present invention, and are hereby explained together.

[0028] The connection method can adopt existing methods such as bonding, welding, bolt connection, etc., subject to actual needs.

[0029] Please refer to Figures 1 to 5 As shown, this embodiment includes a connecting pipe A1, a connecting pipe B2, and a connecting component 3; the connecting pipe B2 is connected to the connecting pipe A1 through the connecting component 3; wherein, the interface size of the connecting pipe A1 is smaller than the interface size of the connecting pipe B2;

[0030] Among them, the connecting component 3 includes an internal thread sleeve A301, an internal thread sleeve B302, an external thread sleeve A303, an external thread sleeve B304, a hexagonal sleeve block 305, and a connecting piece 306; the internal thread sleeve A301 is sleeved on the connecting pipe A1; the internal thread sleeve B302 is sleeved on the connecting pipe B2; the external thread sleeve A303 is threadedly connected to the internal thread sleeve A301, and the external thread sleeve A303 is in contact with the surface of the connecting pipe A1; the external thread sleeve B304 is threadedly connected to the internal thread sleeve B302, and the external thread sleeve B304 is in contact with the surface of the connecting pipe B2; the hexagonal sleeve block 305 is fixedly arranged on the external thread sleeve A303; the connecting piece 306 is fixedly arranged on the side of the hexagonal sleeve block 305 away from the external thread sleeve A303, and the connecting piece 306 is fixedly connected to the external thread sleeve B304.

[0031] Through the provided connecting component 3 of the present utility model, when it is necessary to connect the connecting pipe A1 and the connecting pipe B2, first, the internal thread sleeve A301 and the internal thread sleeve B302 are respectively sleeved on the connecting pipe A1 and the connecting pipe B2. Subsequently, the interfaces of the connecting pipe A1 and the connecting pipe B2 are flared so that the size of the interface of the connecting pipe A1 or the connecting pipe B2 is larger than the inner wall size of the internal thread sleeve A301 or the internal thread sleeve B302, and the position of the internal thread sleeve A301 or the internal thread sleeve B302 on the connecting pipe A1 or the connecting pipe B2 is fixed. Subsequently, the external thread sleeve A303 is screwed into the internal thread sleeve A301 until the end face of the external thread sleeve A303 contacts the inner wall of the internal thread sleeve A301, and then the external thread sleeve B304 is screwed into the internal thread sleeve B302 in the above manner until the end face of the external thread sleeve B304 contacts the inner wall of the internal thread sleeve B302. At this time, the connection of the connecting pipe A1 and the connecting pipe B2 is completed, which can facilitate the connection of the connecting pipe A1 and the connecting pipe B2, and avoids the need to use the traditional welding method for connection, improving the overall aesthetics of the air conditioner connecting pipe.

[0032] As a preferred implementation, the connecting piece 306 is a hollow frustum-shaped structure, and the size of the connecting piece 306 near the hexagonal sleeve block 305 is smaller than the size of the connecting piece 306 away from the hexagonal sleeve block 305. This facilitates the present utility model to connect two air conditioner connecting pipes with different interface sizes.

[0033] As a preferred embodiment, it further includes a reinforcement component 4; the reinforcement component 4 is arranged on the internal thread sleeve A301 and the internal thread sleeve B302; wherein, the reinforcement component 4 includes an elastic member A401, an elastic member B402, an extrusion groove A403, and an extrusion groove B404; six elastic members A401 are fixedly arranged in the internal thread sleeve A301 in a circular array; wherein, there is a gap between the elastic member A401 and the connecting pipe A1; six elastic members B402 are fixedly arranged in the internal thread sleeve B302 in a circular array; wherein, there is a gap between the elastic member B402 and the connecting pipe B2; wherein, both the elastic member A401 and the elastic member B402 are in an arc structure, the cross-section of the elastic member A401 and the elastic member B402 is in a right triangle structure, and the inclined surfaces of the elastic member A401 and the elastic member B402 are respectively arranged close to the directions of the internal thread sleeve A301 and the internal thread sleeve B302; an extrusion groove A403 is formed in the external thread sleeve A303; an extrusion groove B404 is formed in the external thread sleeve B304; wherein, both the extrusion groove A403 and the extrusion groove B404 are in a frustum structure, and the inclined surfaces of the extrusion groove A403 and the extrusion groove B404 are respectively in extrusion contact with the inclined surfaces of the elastic member A401 and the elastic member B402; when the six elastic members A401 are in contact with the surface of the connecting pipe A1 or the six elastic members B402 are in contact with the surface of the connecting pipe B2, the end surface of the external thread sleeve A303 is in contact with the inner wall of the internal thread sleeve A301 or the end surface of the external thread sleeve B304 is in contact with the inner wall of the internal thread sleeve B302.

[0034] By setting the elastic member A401, the elastic member B402, the extrusion groove A403, and the extrusion groove B404, the relative force generated by the deformation of the elastic member A401 and the elastic member B402 under force will not only make the positions of the internal thread sleeve A301 or the internal thread sleeve B302 on the connecting pipe A1 or the connecting pipe B2 more stable, but also make the threaded connection between the external thread sleeve A303 and the internal thread sleeve A301 or the threaded connection between the external thread sleeve B304 and the internal thread sleeve B302 more firm, greatly improving the connection stability between the connecting pipe A1 and the connecting pipe B2.

[0035] Working principle

[0036] For this reducing non-welded air conditioner connecting pipe, when it is necessary to connect connecting pipe A1 and connecting pipe B2, first, sleeve inner thread sleeve A301 and inner thread sleeve B302 on connecting pipe A1 and connecting pipe B2 respectively. Subsequently, flare the interfaces of connecting pipe A1 and connecting pipe B2, so that the positions of inner thread sleeve A301 or inner thread sleeve B302 on connecting pipe A1 or connecting pipe B2 are fixed. Then, screw external thread sleeve A303 into inner thread sleeve A301, so that extrusion groove A403 extrudes six elastic members A401, causing the six elastic members A401 to deform and tilt relative to each other until the six elastic members A401 contact the surface of connecting pipe A1. Then, screw external thread sleeve B304 into inner thread sleeve B302 in the above-mentioned manner until the six elastic members B402 contact the surface of connecting pipe B2. At this time, the connection of connecting pipe A1 and connecting pipe B2 is completed. And at this time, due to the relative force generated by the deformation of elastic member A401 and elastic member B402, it will not only make the position of inner thread sleeve A301 or inner thread sleeve B302 on connecting pipe A1 or connecting pipe B2 more stable, but also make the threaded connection between external thread sleeve A303 and inner thread sleeve A301 or the threaded connection between external thread sleeve B304 and inner thread sleeve B302 more firm.

[0037] It should be noted that in this article, relational terms such as "one" and "two" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation. An element defined by the statement "comprising a..." does not exclude the existence of additional identical elements in the process, method, article or device comprising the element.

[0038] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A different-diameter non-welded air conditioning connecting pipe, characterized in that: include: Connecting pipe A (1); A connecting pipe B (2) connected to the connecting pipe A (1) via a connecting assembly (3); The connection assembly (3) comprises an internal thread sleeve A (301), an internal thread sleeve B (302), an external thread sleeve A (303), an external thread sleeve B (304), a hexagonal sleeve block (305) and a connection piece (306); the internal thread sleeve A (301) is sleeved on a connection pipe A (1); the internal thread sleeve B (302) is sleeved on a connection pipe B (2); the external thread sleeve A (303) is threadedly connected to the internal thread sleeve A (301), and the external thread sleeve A (304) is sleeved on a connection pipe B (2); 03) is in surface contact with the connecting pipe A (1); the external threaded sleeve B (304) is threadedly connected to the internal threaded sleeve B (302), and the external threaded sleeve B (304) is in surface contact with the connecting pipe B (2); the hexagonal sleeve block (305) is fixed on the external threaded sleeve A (303); the connecting piece (306) is fixed on the side of the hexagonal sleeve block (305) away from the external threaded sleeve A (303), and the connecting piece (306) is fixedly connected to the external threaded sleeve B (304).

2. The different-diameter non-welding air-conditioning connecting pipe according to claim 1, characterized in that: The interface size of the connecting pipe A (1) is smaller than the interface size of the connecting pipe B (2).

3. The different-diameter non-welding air-conditioning connecting pipe according to claim 1, characterized in that: The connecting piece (306) is a hollow truncated cone-shaped structure, and the size of the connecting piece (306) on the side close to the hexagonal sleeve (305) is smaller than the size of the connecting piece (306) on the side away from the hexagonal sleeve (305).

4. The different-diameter non-welding air-conditioning connecting pipe according to claim 1, characterized in that: Also includes: The reinforcement component (4) is arranged on the internal thread sleeve A (301) and the internal thread sleeve B (302).

5. The different-diameter non-welding air-conditioning connecting pipe according to claim 4, characterized in that: The reinforcement component (4) comprises: A plurality of elastic members A (401) are fixedly arranged in an annular array in the internal thread sleeve A (301); Wherein, there is a gap between the elastic member A (401) and the connecting pipe A (1); A plurality of elastic members B (402) are fixedly arranged in the internal thread sleeve B (302) in an annular array; Wherein, there is a gap between the elastic member B (402) and the connecting pipe B (2); An extrusion groove A (403) is provided in the external threaded sleeve A (303); An extrusion groove B (404) is provided in the external threaded sleeve B (304).

6. The different-diameter non-welding air-conditioning connecting pipe according to claim 5, characterized in that: The elastic member A (401) and the elastic member B (402) are both arc-shaped structures, and the cross-sections of the elastic member A (401) and the elastic member B (402) are right-angled triangle structures, and the inclined surface of the elastic member A (401) and the inclined surface of the elastic member B (402) are respectively arranged close to the direction of the internal thread sleeve A (301) and the internal thread sleeve B (302).

7. The different-diameter non-welding air-conditioning connecting pipe according to claim 6, characterized in that: The extrusion groove A (403) and the extrusion groove B (404) are both truncated cone structures, and the inclined surface of the extrusion groove A (403) and the inclined surface of the extrusion groove B (404) are in extrusion contact with the inclined surface of the elastic member A (401) and the inclined surface of the elastic member B (402) respectively.

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