Air conditioner necking welding protection device

Abstract

The air conditioner necking welding protection device comprises a sheet metal part, an upper rubber pad and a lower rubber pad, the sheet metal part comprises an upper cylinder part, reinforcing ribs, a lower cylinder part, an upper connecting part and a lower connecting part, the upper edge of the upper cylinder part is connected with the upper rubber pad, the lower edge of the lower cylinder part is connected with the lower rubber pad, the upper connecting part is connected to the side edge of the upper cylinder part, and the lower connecting part is connected to the side edge of the lower cylinder part. The lower connecting part is connected to the side edge of the lower cylinder part, the reinforcing ribs are located between the upper cylinder part and the lower cylinder part and between the upper connecting part and the lower connecting part, the reinforcing ribs, the upper cylinder part, the lower cylinder part, the upper connecting part and the lower connecting part are integrally formed, and the thicknesses of the parts, located in the upper cylinder part and the lower cylinder part, of the upper rubber pad and the lower rubber pad are the same or different. By the adoption of the protection device, the reliability of the necking transition area of the necking pipe fitting can be protected; the structure is simple, implementation is easy, cost is low and stability is good; the rubber pad can be designed into different specifications so as to ensure that one sheet metal part can flexibly adapt to application scenes of various pipe diameters.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioners, in particular to an air conditioner shrink welding protection device. Background Art

[0002] In the process of air-conditioning production, it is inevitable to encounter copper tube shrinking welding, especially when this situation occurs on the pipe connected to the compressor, the potential risk of pipe breakage is particularly significant. When the pipe diameter designed by the system exceeds the standard pipe diameter of the compressor, the end of the pipe mouth needs to be shrinked to ensure production operation. However, the introduction of the shrinking process will cause the tolerance of the copper tube in the local area to decrease, and the traditional stress limit value is no longer applicable in this special structure. This change may cause the unit to break during operation, thereby affecting the stability and safety of the entire system.

[0003] In response to the above technical difficulties, this patent designs an air-conditioning pipe clamp specifically for the variable diameter area. This pipe clamp is intended to enhance the strength of the variable diameter area, effectively reduce the risk of failure caused by stress concentration, and ensure the stable operation of the air-conditioning system. Utility Model Content

[0004] The utility model provides an air conditioner shrinkage welding protection device, which solves the problem that the tolerance of a local area is reduced due to the shrinkage of a copper tube of an existing air conditioner, thus affecting the stability and safety of the entire system.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: an air conditioner shrinkage welding protection device is provided, including a sheet metal part, an upper rubber pad and a lower rubber pad, the sheet metal part includes an upper cylinder part, a reinforcing rib, a lower cylinder part, an upper connecting part and a lower connecting part, the upper edge of the upper cylinder part is connected to the upper rubber pad, the lower edge of the lower cylinder part is connected to the lower rubber pad, the upper connecting part is connected to the side edge of the upper cylinder part, and the lower connecting part is connected to the side edge of the lower cylinder part, the reinforcing rib is located between the upper cylinder part and the lower cylinder part and between the upper connecting part and the lower connecting part, and is integrally formed with the upper cylinder part, the lower cylinder part, the upper connecting part and the lower connecting part, and the thickness of the upper rubber pad and the lower rubber pad located inside the upper cylinder part and the lower cylinder part is the same or different.

[0006] Preferably, both the upper cylinder part and the lower cylinder part are cylindrical structures with a notch, and the inner diameter and outer diameter of the upper cylinder part are the same as the inner diameter and outer diameter of the lower cylinder part.

[0007] Preferably, the upper connecting portion has two connecting plates, which are respectively connected to the notch positions of the upper cylinder portion.

[0008] Preferably, the lower connecting portion has two connecting plates, which are respectively connected to the notch positions of the lower cylinder portion.

[0009] Preferably, screw holes are formed in the connecting plate of the upper connecting portion.

[0010] Preferably, screw holes are formed in the connecting plate of the lower connecting portion.

[0011] Preferably, the reinforcing rib is an annular structure protruding from the upper cylinder portion, the lower cylinder portion, the upper connecting portion, and the lower connecting portion and having a notch.

[0012] Preferably, the upper rubber pad is a cylindrical structure with a notch and has a card slot for connecting the upper cylinder portion.

[0013] Preferably, the lower rubber pad is a cylindrical structure with a notch and has a card slot for connecting the lower cylinder portion.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows: The protection device of this patent can protect the reliability of the necking transition area of the necked pipe fitting; it has a simple structure, is easy to implement, has a low cost and good stability; the rubber pads can be designed in different specifications to ensure that a sheet metal part can be flexibly adapted to various pipe diameter application scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the air conditioner necking welding protection device of the present utility model.

[0016] Figure 2 It is a schematic diagram of the structure of the sheet metal part in Embodiment 1.

[0017] Figure 3 It is another schematic diagram of the structure of the sheet metal part in Embodiment 1.

[0018] Figure 4 It is a schematic diagram of the structure of the rubber pad.

[0019] Figure 5 It is an application schematic diagram of the air conditioner necking welding protection device of the present utility model.

[0020] Figure 6 It is a schematic diagram of the structure of the sheet metal part in Embodiment 2.

[0021] Figure 7 It is a schematic diagram of the structure of the sheet metal part in Embodiment 3.

[0022] Reference numerals in the figures: sheet metal part 1, upper rubber pad 2, lower rubber pad 3, upper cylinder portion 11, reinforcing rib 12, lower cylinder portion 13, upper connecting portion 14, lower connecting portion 15, first notch 16, screw hole 17, second notch 18, third notch 20, card slot 30. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0024] Embodiment 1

[0025] Please refer to Figures 1-5 , the present invention provides the following technical solutions: An air conditioner necking welding protection device includes a sheet metal part 1, an upper rubber pad 2, and a lower rubber pad 3. The sheet metal part 1 includes an upper cylinder part 11, a reinforcing rib 12, a lower cylinder part 13, an upper connecting part 14, and a lower connecting part 15. The upper edge of the upper cylinder part 11 is connected to the upper rubber pad 2, the lower edge of the lower cylinder part 13 is connected to the lower rubber pad 3, the upper connecting part 14 is connected to the side edge of the upper cylinder part 11, the lower connecting part 15 is connected to the side edge of the lower cylinder part 13, the reinforcing rib 12 is located between the upper cylinder part 11 and the lower cylinder part 13 and between the upper connecting part 14 and the lower connecting part 15, and is integrally formed with the upper cylinder part 11, the lower cylinder part 13, the upper connecting part 14, and the lower connecting part 15. The parts of the upper rubber pad 2 and the lower rubber pad 3 located inside the upper cylinder part 11 and the lower cylinder part 13 have the same or different thicknesses.

[0026] As a preferred embodiment of this embodiment, both the upper cylinder part 11 and the lower cylinder part 13 are cylindrical structures with a first notch 16, and the inner diameter and outer diameter of the upper cylinder part 11 are the same as those of the lower cylinder part 13.

[0027] As a preferred embodiment of this embodiment, the upper connecting part 14 has two connecting plates, which are respectively connected to the position of the first notch 16 of the upper cylinder part 11.

[0028] As a preferred embodiment of this embodiment, the lower connecting part 15 also has two connecting plates, which are respectively connected to the position of the first notch 16 of the lower cylinder part 11. The lower connecting part 15 and the upper connecting part 14 are arranged opposite to each other in the vertical direction.

[0029] As a preferred embodiment of this embodiment, screw holes 17 are provided on both the connecting plates of the upper connecting part 14 and the connecting plates of the lower connecting part 15. The design of the screw holes 17 facilitates the use of screws for fixation to ensure the stable installation of the sheet metal part 1.

[0030] As a preferred implementation of this embodiment, the reinforcing rib 12 is an annular structure with a second notch 18 protruding from the upper cylinder 11, the lower cylinder 13, the upper connecting portion 14, and the lower connecting portion 15, which plays a role in strengthening the structure and avoiding welding points. It can be seen from the figure that the reinforcing rib 12 is not a continuous structure, but a second notch 18 is provided. The second notch 18 is preferably opened at the position opposite to the first notch 16. The upper and lower edges of the second notch 18 in this embodiment are arc-shaped. The design of the second notch 18 is mainly to take into account the actual needs during installation, allowing the sheet metal part 1 to be opened when necessary to facilitate installation or disassembly operations.

[0031] As a preferred implementation of this embodiment, the upper rubber pad 2 and the lower rubber pad 3 are both cylindrical structures with a third notch 20, and have a slot 30 connecting the upper cylinder 11 and the lower cylinder 13 respectively. The upper rubber pad 2 and the lower rubber pad 3 can be parts of the same size to accommodate the outer diameter tubes of the same specifications, or they can be designed with different inner diameters to meet the use requirements of outer diameter tubes of different specifications. The width and depth of the slot 30 are not specifically limited, as long as it can ensure that the rubber pad can firmly clamp the sheet metal part 1. The height of the upper rubber pad 2 and the lower rubber pad 3 can be controlled within 1 / 2 of the total height of the sheet metal part 1.

[0032] When using the air conditioner shrink welding protection device of this embodiment, the protection device is installed at the unit pipeline welding position, and the position of the reinforcing rib 12 is flush with the welding point position. In order to stabilize the device, the upper connecting part 14 and the lower connecting part 15 are fastened with screws.

[0033] Example 2

[0034] Reference Figure 6 The difference between this embodiment and embodiment 1 is that the upper and lower edges of the second notch 18 of this embodiment are not arc-shaped, but straight-line, which can expand the opening size of the first notch 16 on the opposite side and facilitate the installation of the protective device on the welded pipeline during production.

[0035] Example 3

[0036] Reference Figure 7 The difference between this embodiment and embodiments 2 and 3 is that the upper cylinder portion 1 and the lower cylinder portion 3 are connected at the position where the second notch 18 of the reinforcing rib 2 is located, and the connecting portion is an arc surface. When the sheet metal part 1 of this embodiment is used, in order to avoid the welding point, the total height of the upper rubber pad 2 and the lower rubber pad 3 needs to be lower than 1 / 2 of the height of the sheet metal part 1.

[0037] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An air conditioner necking welding protection device, characterized in that: It includes a sheet metal part, an upper rubber pad, and a lower rubber pad. The sheet metal part includes an upper cylindrical part, a reinforcing rib, a lower cylindrical part, an upper connecting part, and a lower connecting part. The upper edge of the upper cylindrical part is connected to the upper rubber pad, the lower edge of the lower cylindrical part is connected to the lower rubber pad, the upper connecting part is connected to the side edge of the upper cylindrical part, the lower connecting part is connected to the side edge of the lower cylindrical part. The reinforcing rib is located between the upper cylindrical part and the lower cylindrical part and between the upper connecting part and the lower connecting part, and is integrally formed with the upper cylindrical part, the lower cylindrical part, the upper connecting part, and the lower connecting part. The thickness of the parts of the upper rubber pad and the lower rubber pad located inside the upper cylindrical part and the lower cylindrical part is the same or different.

2. The air conditioner necking welding protection device according to claim 1, characterized in that: Both the upper cylindrical part and the lower cylindrical part are cylindrical structures with notches, and the inner diameter and outer diameter of the upper cylindrical part are the same as those of the lower cylindrical part.

3. The air conditioner necking welding protection device according to claim 2, characterized in that: The upper connecting part has two connecting plates, which are respectively connected to the notch positions of the upper cylindrical part.

4. The air conditioner necking welding protection device according to claim 2, characterized in that: The lower connecting part has two connecting plates, which are respectively connected to the notch positions of the lower cylindrical part.

5. The air conditioner necking welding protection device according to claim 3, characterized in that: Screw holes are formed in the connecting plates of the upper connecting part.

6. The air conditioner necking welding protection device according to claim 4, wherein: Screw holes are formed in the connecting plates of the lower connecting part.

7. The air conditioner necking welding protection device according to claim 1, characterized in that: The reinforcing rib is an annular structure that protrudes from the upper cylindrical part, the lower cylindrical part, the upper connecting part, and the lower connecting part and has a notch.

8. The air conditioner necking welding protection device according to claim 1, characterized in that: The upper rubber pad is a cylindrical structure with a notch and has a card slot for connecting to the upper cylindrical part.

9. The air conditioner necking welding protection device according to claim 1, wherein: The lower rubber pad is a cylindrical structure with a notch and has a card slot for connecting to the lower cylindrical part.

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