CN218972940U

CN218972940U - Condenser gas collecting tube structure

Info

Publication number: CN218972940U
Application number: CN202223302512.2U
Authority: CN
Inventors: 程正伟
Original assignee: Hubei Runjie Equipment Technology Co ltd
Current assignee: Hubei Runjie Equipment Technology Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-05-05
Anticipated expiration: 2032-12-07

Abstract

The utility model relates to the technical field of gas collecting pipes in refrigeration equipment, in particular to a condenser gas collecting pipe structure, side branch pipes are fixed on the side wall of a main pipe at equal intervals, connecting insertion pipes are welded at the joints of the main pipe and the side branch pipes, connecting sleeves are welded at the outer edges of the connecting insertion pipes in the main pipe, the upper ends of the connecting sleeves are of a curled structure and are fixed with the inner wall of the main pipe, and one ends of the connecting insertion pipes extend into the main pipe and are inserted into the curled structure. According to the utility model, through sleeving the connecting sleeve with the connecting insertion pipe and sleeving the stainless steel sleeve with the connecting insertion pipe, the fixation of the side branch pipe after installation is realized, and the fixation effect is improved; through the setting of the connecting sleeve of elastic steel for the connecting sleeve possesses certain deformability, thereby can furthest avoid junction thermal expansion shrinkage to influence, improve the reliability and the life of equipment.

Description

Condenser gas collecting tube structure

Technical Field

The utility model relates to the technical field of gas collecting pipes in refrigeration equipment, in particular to a condenser gas collecting pipe structure.

Background

In refrigerant lines, a header assembly is often employed to distribute the flow of refrigerant. Most of the gas collecting tube assemblies are connected with inlet and outlet ends of the condenser and the evaporator. Traditional gas collecting tube components are all made of copper materials, and the material cost is high. In order to reduce the cost, the prior art has shown a main pipe of a gas collecting pipe assembly made of a seamed stainless steel pipe, and then a gas collecting pipe assembly of a copper branch pipe is welded on the main pipe. However, the existing stainless steel gas collecting tube assembly has an insufficiently firm connection structure between the main tube and the branch tube. In chinese patent publication No. CN205481966U, therefore, a stainless steel gas collecting tube assembly is disclosed, in which a side branch tube is inserted into a sleeve of a side wall of a main tube, and a tube section of the side branch tube located in the sleeve is a small-section pipe, thereby enhancing the welding reliability between the stainless steel main tube and the side branch tube.

However, after long-term use, the pipe body is affected by temperature change, and the joint is easy to expand and contract with heat to reduce the tightness of the main pipe and the side branch pipe, thereby reducing the service life of the equipment. Accordingly, a condenser header structure is provided by those skilled in the art to solve the above-mentioned problems set forth in the background art.

Disclosure of Invention

The utility model aims to provide a condenser gas collecting tube structure to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a condenser gas collecting tube structure, includes the person in charge, the equidistant side branch pipe that is fixed with of lateral wall of person in charge, and be responsible for the junction welding with the side branch pipe has the connection intubate, the inside that is located the connection intubate of person in charge is welded and is had the adapter sleeve, the upper end of adapter sleeve is the turn-up structure and is fixed with the inner wall of person in charge, the one end of connection intubate extends to being responsible for and inserts inside the turn-up structure, the outside of side branch pipe is close to the position department welding of connection intubate have rather than the stainless steel sleeve that cup joints, and the upper end of side branch pipe inserts the inside of adapter sleeve and forms the side intubate.

As a further aspect of the present utility model: the inner side of the connecting sleeve is provided with a sealing gasket matched with the bypass cannula, and the sealing gasket is fixed with the connecting sleeve through gluing.

As a further aspect of the present utility model: the side branch cannula inserts adapter sleeve's one end is equipped with spacing bulge loop, through integrated casting shaping between spacing bulge loop and the side branch cannula.

As a further aspect of the present utility model: the connecting sleeve is an elastic steel member, and the lower end of the connecting sleeve penetrates through the side wall of the main pipe.

As a further aspect of the present utility model: the stainless steel sleeve is a member made of stainless steel, and the joint of the stainless steel sleeve and the connecting cannula is fixed through welding.

As a further aspect of the present utility model: and one end of the main pipe is reduced to form an end branch pipe, and the inner diameter of the end branch pipe is 1/2 of the inner diameter of the main pipe.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, through sleeving the connecting sleeve with the connecting insertion pipe and sleeving the stainless steel sleeve with the connecting insertion pipe, the fixation of the side branch pipe after installation is realized, and the fixation effect is improved; through the setting of the connecting sleeve of elastic steel for the connecting sleeve possesses certain deformability, thereby can furthest avoid junction thermal expansion shrinkage to influence, improve the reliability and the life of equipment.

Drawings

FIG. 1 is a schematic view of a condenser header structure;

FIG. 2 is a schematic view of the installation structure of a side branch pipe in the condenser gas collecting pipe structure;

fig. 3 is an enlarged schematic view of the condenser header structure at a in fig. 2.

In the figure: 1. a main pipe; 2. a terminal branch pipe; 3. a side branch pipe; 4. a stainless steel sleeve; 5. a connecting cannula; 6. a bypass cannula; 7. a connection sleeve; 8. a limit convex ring; 9. and a sealing gasket.

Detailed Description

Referring to fig. 1 to 3, in an embodiment of the present utility model, a condenser gas collecting tube structure includes a main tube 1, side branch tubes 3 are fixed on the side wall of the main tube 1 at equal intervals, connecting cannulas 5 are welded at the connection positions of the main tube 1 and the side branch tubes 3, connecting cannulas 7 are welded at the outer edges of the connecting cannulas 5 inside the main tube 1, the upper ends of the connecting cannulas 7 are curled structures and fixed with the inner wall of the main tube 1, one ends of the connecting cannulas 5 extend into the main tube 1 and are inserted into the curled structures, stainless steel sleeves 4 sleeved with the connecting cannulas 5 are welded at positions, which are close to the outer sides of the side branch tubes 3, the upper ends of the side branch tubes 3 are inserted into the connecting cannulas 7 and form side cannulas 6, the side cannulas 6 are inserted into the connecting cannulas 7, limiting of the side cannulas 6 are realized through the arrangement of limiting convex rings 8, then the stainless steel sleeves 4 are sleeved on the outer sides of the connecting cannulas 5, the connecting positions are welded and the connecting cannulas 7 are improved through the plug connection positions between the connecting cannulas 7 and the connecting cannulas 1, and the side cannulas 3 are fixed after the side cannulas 3 are sleeved with the stainless steel sleeves 4; in addition, through the arrangement of the connecting sleeve 7 and the hemming structure of the elastic steel, the connecting sleeve 7 has certain deformability, so that the influence of thermal expansion and cold contraction at the connecting position can be avoided to the greatest extent, and the reliability and the service life of the equipment are improved.

In fig. 2 and 3, the inner side of the connecting sleeve 7 is provided with a sealing gasket 9 which is matched with the bypass cannula 6, the sealing gasket 9 is fixed with the connecting sleeve 7 through gluing, and the sealing performance of the connecting part can be improved under the arrangement of the sealing gasket 9.

In fig. 3, a limiting convex ring 8 is arranged at one end of the side branch cannula 6 inserted into the connecting sleeve 7, the limiting convex ring 8 and the side branch cannula 6 are formed through integral casting, and limiting after the side branch cannula 6 is installed is realized through arranging the limiting convex ring 8.

In fig. 2 and 3, the connecting sleeve 7 is an elastic steel member, and the lower end of the connecting sleeve 7 penetrates through the side wall of the main pipe 1, so that the connecting sleeve 7 has certain deformability, the influence of thermal expansion and cold contraction at the joint can be avoided to the greatest extent, and the reliability and the service life of the equipment are improved.

In fig. 2 and 3, the stainless steel sleeve 4 is a stainless steel member, and the connection part of the stainless steel sleeve 4 and the connecting insertion tube 5 is fixed by welding, and the fixing effect of the side branch tube 3 is improved by sleeving the stainless steel sleeve 4 and the connecting insertion tube 5.

In fig. 1, one end of a main pipe 1 is necked down to form a terminal branch pipe 2, and the inside diameter of the terminal branch pipe 2 is 1/2 of the inside diameter of the main pipe 1, mainly for output of the main pipe 1.

The working principle of the utility model is as follows: when the device is used, the bypass cannula 6 is inserted into the connecting cannula 7, the limit of the bypass cannula 6 is realized through the arrangement of the limit convex ring 8, the sealing performance of the connecting part can be improved under the arrangement of the sealing gasket 9, the stainless steel sleeve 4 is sleeved on the outer side of the connecting cannula 5, the connecting part is welded, the tightness between the connecting cannula 7 and the main pipe 1 is improved through the insertion between the connecting cannula 7 and the connecting cannula 5, and the fixation after the installation of the bypass cannula 3 is realized through the sleeve arrangement between the stainless steel sleeve 4 and the connecting cannula 5, so that the fixation effect is improved; in addition, through the arrangement of the connecting sleeve 7 and the hemming structure of the elastic steel, the connecting sleeve 7 has certain deformability, so that the influence of thermal expansion and cold contraction at the connecting position can be avoided to the greatest extent, and the reliability and the service life of the equipment are improved.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a condenser gas collecting tube structure, includes is responsible for (1), its characterized in that, the lateral wall equidistant side branch pipe (3) that is responsible for (1), and be responsible for the junction welding of (1) and side branch pipe (3) has connecting cannula (5), the inside that is responsible for (1) is located the outer fringe welding of connecting cannula (5) has connecting cannula (7), the upper end of connecting cannula (7) is the turn-up structure and is fixed with the inner wall of being responsible for (1), the one end of connecting cannula (5) extends to be responsible for (1) and inserts inside the turn-up structure, the outside of side branch pipe (3) is close to the position department welding of connecting cannula (5) have stainless steel sleeve (4) rather than cup jointing, and the inside that connecting cannula (7) were inserted to the upper end of side branch pipe (3) forms by the side intubate (6).

2. A condenser header structure according to claim 1, characterized in that the inside of the connection sleeve (7) is provided with a gasket (9) adapted to the bypass tube (6), said gasket (9) being fixed to the connection sleeve (7) by gluing.

3. The condenser gas collecting tube structure according to claim 1, wherein a limiting convex ring (8) is arranged at one end of the bypass cannula (6) inserted into the connecting sleeve (7), and the limiting convex ring (8) and the bypass cannula (6) are formed by integral casting.

4. A condenser header structure according to claim 1, wherein the connection sleeve (7) is an elastic steel member, and the lower end of the connection sleeve (7) penetrates the side wall of the main pipe (1).

5. A condenser header structure according to claim 1, wherein the stainless steel sleeve (4) is a stainless steel member, and the junction of the stainless steel sleeve (4) and the connecting cannula (5) is fixed by welding.

6. A condenser header structure according to claim 1, wherein a terminal branch pipe (2) is formed by a reduction of one end of the main pipe (1), and the inside diameter of the terminal branch pipe (2) is 1/2 of the inside diameter of the main pipe (1).