CN219550894U

CN219550894U - Liquid collector and liquid storage tank connecting structure and automobile

Info

Publication number: CN219550894U
Application number: CN202320399020.5U
Authority: CN
Inventors: 甘家平; 黄新波; 任永兵; 陈飞
Original assignee: Estar Changshu Automotive Air Conditioning System Co ltd
Current assignee: Estar Changshu Automotive Air Conditioning System Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-08-18
Anticipated expiration: 2033-03-06

Abstract

The utility model provides a connecting structure of a liquid collector and a liquid storage tank and an automobile, belonging to the technical field of automobile air conditioner heat exchange. The upper opening side of the liquid storage tank is provided with an annular outward taper structure, one end of the connecting pipe connected with the liquid storage tank is provided with an annular groove edge I, and the annular outward taper structure is riveted with the annular groove edge I. An extension contact surface structure is arranged on the first annular groove edge and is attached to the outer surface of the annular outward taper structure. According to the utility model, the annular outward taper structure is arranged on the opening side of the liquid storage tank and is riveted with the annular groove edge on the connecting pipe to be locked by reinforcing back-off, and the lower end surface of the connecting pipe is provided with the extended contact surface structure for enhancing the brazing strength with the liquid storage tank.

Description

Liquid collector and liquid storage tank connecting structure and automobile

Technical Field

The utility model relates to the technical field of heat exchange of automobile air conditioners, in particular to a connecting structure of a liquid collector and a liquid storage tank and an automobile.

Background

The connecting pipe on the present vehicle supercooling condenser is mostly the bloated pipe pier nose or cold extrusion structure, this kind of simple structure, and the contact surface that brazes with collector tube and liquid storage tank is very little, all be linear contact with collector tube and liquid storage tank aperture at the welding process at connecting pipe both ends, and linear welding has the connection infirm, drops easily, the lower problem of intensity easily causes the inside between connecting pipe and collector tube and the liquid storage tank to reveal and outside fracture, needs extra stove auxiliary process to increase the fastness, increases manufacturing cost, it is hard to take time.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a connecting structure of a liquid trap and a liquid storage tank and an automobile.

According to the connecting structure of the liquid trap and the liquid storage tank, which is provided by the utility model, the connecting structure comprises a connecting pipe, a liquid collecting pipe and the liquid storage tank, wherein one end of the connecting pipe is connected with the liquid storage tank, and the other end of the connecting pipe is connected with the liquid collecting pipe;

an annular outward taper structure is arranged on the upper opening side of the liquid storage tank, an annular groove side I is arranged at one end, connected with the liquid storage tank, of the connecting pipe, and the annular outward taper structure is riveted with the annular groove side I;

an extension contact surface structure is arranged on the first annular groove edge and is attached to the outer surface of the annular outward taper structure.

In some embodiments, the connecting pipe is provided with a through hole or a blind hole.

In some embodiments, the other end of the connecting pipe connected with the liquid collecting pipe is provided with a second annular groove edge.

In some embodiments, the connection tube comprises an aluminum alloy connection tube.

In some embodiments, the edge of the first annular groove is arranged in the inner diameter surface of the liquid storage tank.

In some embodiments, the upper aperture edge region of the reservoir is configured as a chamfer.

In some embodiments, the annular outward taper structure takes the shape of a circular lip.

In some embodiments, the first annular groove and the second annular groove adopt arc structures.

An automobile comprises the connecting structure of the liquid collector and the liquid storage tank.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the annular outward taper structure is arranged at the opening side of the liquid storage tank and is riveted with the annular groove edge on the connecting pipe to be locked by reinforcing back-off, and the lower end surface of the connecting pipe is provided with the extended contact surface structure for enhancing the brazing strength with the liquid storage tank, so that the problem of unstable connection is solved, and meanwhile, the manufacturing cost is reduced.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of a connection structure of a connection pipe with a liquid storage tank and a liquid collecting pipe in the utility model;

FIG. 2 is a schematic diagram of the structure of the connecting pipe and the liquid storage tank after being assembled;

FIG. 3 is a schematic view of a connecting pipe according to the present utility model;

FIG. 4 is a schematic cross-sectional view of the structure of the connecting tube before riveting with the liquid storage tank;

fig. 5 is a schematic cross-sectional view of the structure of the utility model after the connecting tube is riveted with the liquid storage tank.

Reference numerals:

inner diameter surface 6 of liquid collecting tube 1

Extension contact surface structure 7 of connecting pipe 2

Chamfering 8 of liquid storage tank 3

Annular groove edge 4 annular outward taper structure 9

Annular groove edge two 5

Detailed Description

The present utility model will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present utility model.

Example 1

As shown in fig. 1 to 5, the utility model comprises a connecting pipe 2, a liquid collecting pipe 1 and a liquid storage tank 3, wherein one end of the connecting pipe 2 is connected with the liquid storage tank 3, and the other end of the connecting pipe 2 is connected with the liquid collecting pipe 1. The upper opening side of the liquid storage tank 3 is provided with an annular outward taper structure 9, one end of the connecting pipe 2 connected with the liquid storage tank 3 is provided with an annular groove edge I4, the annular outward taper structure 9 is riveted with the annular groove edge I4, and reinforced back-off locking is achieved through riveting of a lip of the connecting pipe. An extension contact surface structure 7 is arranged on the first annular groove edge 4, and the extension contact surface structure 7 is attached to the outer surface of the annular outward taper structure 9. The core body formed on the upper pipe wall of the connecting pipe 2 is provided with a through hole or a blind hole. The other end of the connecting pipe 2 connected with the liquid collecting pipe 1 is provided with a second annular groove edge 5. The arc radius R1 of the annular groove side I4 is set to be 10-50 mm, and the arc radius R2 of the annular groove side II 5 is set to be 6-30 mm. The connecting pipe 2 is made of aluminum alloy with a double-sided brazing layer, and the thickness of the upper pipe wall of the connecting pipe 2 is set to be 3-12 mm. The edge of the annular groove I4 is not arranged outside the inner diameter surface 6 of the liquid storage tank 3 in a protruding way, so that the damage to parts of the inner cavity of the liquid storage tank 3 is avoided. The upper aperture edge area of the liquid storage tank 3 is provided with a chamfer 8, and the chamfer 8 is arranged between 20 degrees and 50 degrees, preferably 30 degrees or 40 degrees. The annular outward taper 9 takes the shape of a circular lip. The first annular groove side 4 and the second annular groove side 5 both adopt arc structures. The thickness of the liquid storage tank 3 is set to be larger than 1.3mm.

Example 2

An automobile comprising the connection structure of the liquid trap and the liquid storage tank of embodiment 1.

Principle of operation

According to the utility model, the liquid storage tank 3 with the annular lip round hole is placed in the riveting tool, then the connecting pipe 2 is placed in the corresponding opening position of the liquid storage tank 3, then the liquid collecting pipe 1 is placed in the same way according to the opening position, then the riveting tool is used for riveting, and then brazing is carried out, so that the connecting pipe 2, the liquid storage tank 3 and the liquid collecting pipe 1 are welded into a whole.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The foregoing describes specific embodiments of the present utility model. It is to be understood that the utility model is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the utility model. The embodiments of the utility model and the features of the embodiments may be combined with each other arbitrarily without conflict.

Claims

1. The connecting structure of the liquid trap and the liquid storage tank is characterized by comprising a connecting pipe (2), a liquid collecting pipe (1) and the liquid storage tank (3), wherein one end of the connecting pipe (2) is connected with the liquid storage tank (3), and the other end of the connecting pipe (2) is connected with the liquid collecting pipe (1);

an annular outward taper structure (9) is arranged on the upper opening side of the liquid storage tank (3), an annular groove side I (4) is arranged at one end, connected with the liquid storage tank (3), of the connecting pipe (2), and the annular outward taper structure (9) is riveted with the annular groove side I (4);

an extension contact surface structure (7) is arranged on the first annular groove edge (4), and the extension contact surface structure (7) is attached to the outer surface of the annular outward taper structure (9).

2. The connection structure of the liquid trap and the liquid storage tank according to claim 1, wherein the connecting pipe (2) is provided with a through hole or a blind hole.

3. The connecting structure of the liquid trap and the liquid storage tank according to claim 1, wherein the other end of the connecting pipe (2) connected with the liquid collecting pipe (1) is provided with an annular groove edge two (5).

4. A connection structure of a liquid trap and a liquid storage tank according to claim 1, characterized in that the connection pipe (2) comprises an aluminium alloy connection pipe.

5. The connecting structure of the liquid trap and the liquid storage tank according to claim 1, wherein the edge of the annular groove I (4) is arranged in an inner diameter surface (6) on the liquid storage tank (3).

6. A connection of a liquid trap to a liquid reservoir according to claim 1, characterized in that the upper aperture edge area of the liquid reservoir (3) is provided as a chamfer (8).

7. A connection of a liquid trap to a liquid storage tank according to claim 1, characterized in that the annular outward taper (9) is of circular lip shape.

8. A connection structure of a liquid trap and a liquid storage tank according to claim 3, wherein the first annular groove side (4) and the second annular groove side (5) are both in arc structures.

9. An automobile comprising a connection structure of the liquid trap according to any one of claims 1 to 8 with a liquid storage tank.