CN217541605U

CN217541605U - Two-layer main sheet reinforcing structure of automobile aluminum radiator

Info

Publication number: CN217541605U
Application number: CN202123436772.4U
Authority: CN
Inventors: 方炎军; 方昌军; 史官强
Original assignee: Shiyan Xinri Auto Parts Co ltd
Current assignee: Shiyan Xinri Auto Parts Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-10-04
Anticipated expiration: 2031-12-30

Abstract

The utility model provides a two-layer main sheet reinforcing structure of an automobile aluminum radiator, which comprises a first main sheet, a second main sheet and a radiating tube; the first main piece and the second main piece are overlapped and sleeved at two ends of the radiating pipe; a plurality of positioning sleeves are arranged on the second main sheet in a stamping manner; two ends of the positioning sleeve are communicated; the end part of the radiating pipe is inserted through the positioning sleeve and then is connected with the first main piece; the inner wall of the positioning sleeve is attached to the outer surface of the radiating pipe and is in brazed connection with the radiating pipe; through carrying out the local reinforcement between the root to cooling tube and first main leaf, both effectively compromise the requirement of lightweight design, make the holistic connection stability of radiator obtain effectively promoting again.

Description

Two-layer main sheet reinforcing structure of automobile aluminum radiator

Technical Field

The utility model belongs to the auto radiator field, concretely relates to two layers of main leaf additional strengthening of auto aluminum radiator.

Background

The automobile radiator and the intercooler constitute a cooling module together, provide a constant working temperature for the engine and play a role in adjusting, and are key parts for ensuring the working heat balance of the automobile engine. But due to functional requirements of its own.

The existing high-pressure common rail engine and hybrid power engine can cause high-pressure and high-temperature environment, and the radiator is influenced by the high-temperature secondary heat transfer of an intercooler and the working environment of an engine cabin, so that the radiator can be in the working conditions of high temperature, vibration and pollution for a long time. Meanwhile, the radiator is subjected to thermal shock of alternating cooling liquid from an engine water jacket, and the intercooler is subjected to thermal shock of high-pressure high-temperature alternating gas from a supercharger. These environmental factors all make radiator and intercooler easy to produce physical state changes such as thermal deformation at the brazing part where cooling tube and main fin are connected. In the dynamic process of product production, the connection between the main fin and the radiating pipe is invalid due to small insufficient process execution, so that the cooling liquid of the radiator leaks and the intercooler leaks, and the automobile cannot run normally.

Based on the above situation, how to enhance the reliability of the strength of the heat dissipating pipe and the main fin after brazing of the cooling module is a problem that needs to be considered from many aspects such as structural design, material application, and the like.

Among the prior art scheme, mainly thicken the cooling tube, the main leaf thickens to make the intensity and the stability of pipe and the main leaf joint department after brazing obtain promoting. But the cost of the product is also obviously improved, and the development direction of light weight, high efficiency and low cost of the product is not met.

Disclosure of Invention

Not enough to prior art exists, the utility model provides a two layers of main leaf additional strengthening of car aluminium radiator that assembly is swift, the cost is moderate, structural stability is high.

In order to achieve the above purpose, the utility model adopts the following technical proposal: a two-layer main sheet reinforcing structure of an automobile aluminum radiator comprises a first main sheet, a second main sheet and a radiating pipe; the first main sheet and the second main sheet are overlapped and sleeved at two ends of the radiating pipe; a plurality of positioning sleeves are arranged on the second main sheet in a stamping mode; two ends of the positioning sleeve are communicated; the end part of the radiating pipe is inserted through the positioning sleeve and then is connected with the first main piece; the inner wall of the positioning sleeve is attached to the outer surface of the radiating pipe and is connected with the radiating pipe in a brazing mode.

Further, a hole site and a guide nest are arranged on the first main piece; the hole positions are in nested fit with the radiating pipes; the guide nest is communicated and arranged on one side of the hole position facing the second main sheet; the inner wall of the guide socket is tightly attached to the end part of the positioning sleeve.

Further, the inner wall of the guide nest is an outward-expanding smooth surface; when the radiating pipe with first main leaf, the second main leaf is accomplished the assembly back, leave the cavity between the inner wall of guide nest and the position sleeve tip and the outer wall of radiating pipe.

Further, the surface of the second main sheet is provided with a brazing coating.

Furthermore, each second main sheet is provided with a single row of positioning sleeves; the second main sheets are arranged in parallel according to the distribution row number of the radiating pipes.

Further, the radiating pipe is provided with 3 rows.

Further, a heat dissipation belt is arranged between the heat dissipation pipes in the adjacent rows; the heat dissipation belt is continuously bent into a wave-shaped structure; the heat dissipation belt is in heat transfer fit with the heat dissipation pipe.

Furthermore, the radiating pipe is of a flat-mouth structure; the radiating belts are correspondingly arranged on two sides corresponding to the long edges of the sections of the radiating pipes.

Furthermore, the length-width ratio of the cross section of the inner cavity of the radiating pipe is 5-12.

Further, the gaps between the radiating pipes in the same row are 6-12mm.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The utility model utilizes the second main piece structure with the sleeve shape to obtain larger contact area between the main piece part and the radiating pipe, thereby obviously improving the fixing and limiting effect and the use reliability of the radiating pipe;

(2) The utility model discloses a cavity is formed in the cooperation of the guide nest of seting up on first main leaf and the locating sleeve of second main leaf, with the help of the diffusion filling effect of solder in the brazing, can make the local thickening between the root of cooling tube and first main leaf, has effectively taken into account the requirement of lightweight design, makes the connection stability between cooling tube and the first main leaf effectively promoted simultaneously;

(3) The utility model discloses a flat mouthful of design cooperation of cooling tube heat dissipation between the adjacent cooling tube of cooling tube takes the structure, has further improved the whole radiating effect of radiator, can well adapt to the requirement that relates to the space in the car simultaneously, and the adaptation nature is better.

In summary, the utility model discloses a setting mode of cooling tube 3 adopts high drawing three rows 13.4mm x 2mm's tube hole, and when designing tube hole pitch as 10mm, hole site 11 height design as 9mm (namely draw height as 9 mm), can effectively improve the intensity and the reliability of radiator, and heat dispersion is excellent; and after the structural holes are assembled and brazed in the three-row structure with the high drawing height of 13.4mm x 2mm and the drawing height of 9mm, the strength of the coating filling weak loop can be effectively improved.

Drawings

FIG. 1 is a schematic view of the reinforced position of the aluminum radiator of the present invention;

FIG. 2 is a schematic view of the reinforced structure of the aluminum radiator of the present invention;

FIG. 3 is a schematic view of the structure of the guide nest of the present invention;

fig. 4 is a schematic structural view of a second main sheet of the present invention;

fig. 5 is the schematic view of the heat dissipation tube arrangement of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the heat dissipation structure comprises a first main piece, 11 hole sites, 12 guide pits, 13 cavities, 2 second main pieces, 21 positioning sleeves, 3 heat dissipation pipes, 4 heat dissipation belts.

Detailed Description

The present invention is further described in detail below with reference to specific embodiments so that those skilled in the art can more clearly understand the present invention.

As shown in fig. 1, 2 and 4, a two-layer main panel reinforcing structure of an aluminum radiator for an automobile comprises a first main panel 1, a second main panel 2 and a radiating pipe 3; the first main piece 1 and the second main piece 2 are overlapped and sleeved at two ends of the radiating pipe 3; a plurality of positioning sleeves 21 are arranged on the second main sheet 2 in a stamping manner; two ends of the positioning sleeve 21 are communicated; the end part of the radiating pipe 3 is inserted through the positioning sleeve 21 and then connected with the first main piece 1; the inner wall of the positioning sleeve 21 is attached to the outer surface of the radiating pipe 3 and is connected to each other by brazing.

The first main sheet 1 is a structural member used in a conventional radiator, and can limit and restrict the radiating pipe 3 by utilizing the position of the opening of the first main sheet, and simultaneously plays a certain role in heat conduction and radiation; and the second main piece 2 acts as a new component which cooperates with the first main piece 1, and functions as: a larger contact area with the radiating pipe 3 can be obtained by utilizing the self positioning sleeve 21 part, so that the fixing and limiting effect on the radiating pipe 3 is obviously improved; the positioning sleeve 21 can be formed by punching, the hole site can be punched out by one step, the processing process is simple, and the cost of the part is moderate; after the first main sheet 1 and the second main sheet 2 are assembled with the radiating pipe 3, the first main sheet and the second main sheet can be connected by using a brazing process, and the brazing process has the advantages that the connected base materials are almost not damaged, and the thin-wall pipe structure can be well adapted.

The first main sheet 1 is provided with a hole site 11 and a guide nest 12; the hole positions 11 are in nested fit with the radiating pipe 3; the guide socket 12 is arranged on one side of the hole position 11 facing the second main sheet 2 in a communicating manner; the inner wall of the guide socket 12 abuts against the end of the positioning sleeve 21.

When the second main piece 2 is not used, the original function of the guide socket 12 is to play a centering effect when the radiating pipe 3 is inserted into the hole position 11; after the second main piece 2 is used, the guide socket 12 can also assist in achieving quick centering between the positioning sleeve 21 and the first sheet body 1, so that the overall assembly efficiency is improved.

As shown in fig. 2 and 3, the inner wall of the guide socket 12 is a smooth surface which is expanded outwards; when the radiating pipe 3 with first main piece 1, second main piece 2 accomplishes the assembly back, leave cavity 13 between the inner wall of guide socket 12 and the position sleeve 21 tip and the outer wall of radiating pipe 3.

In the process of brazing, the brazing filler metal can be filled into cavity 13 inside from the clearance diffusion between position sleeve 21 and cooling tube 3 to the root of being connected between first main leaf 1 and the cooling tube reinforces, just so can make local thickening between the root of cooling tube and first main leaf 1, has effectively taken into account the requirement of lightweight design, makes the stability of being connected between cooling tube and the first main leaf 1 effectively promote simultaneously.

The surface of the second main sheet 2 is provided with a brazing clad layer.

By arranging the brazing coating on the surface of the second main sheet 2, the process of arranging brazing filler metal after assembly can be omitted, the assembly structure is integrally arranged in heating equipment such as an atmosphere furnace, brazing can naturally occur when the temperature meets the requirement, and the assembling and preparing steps of the radiator are further simplified.

Each second main sheet 2 is provided with a single row of positioning sleeves; a plurality of the second main plates 2 are arranged in parallel according to the distribution row number of the radiating pipes 3.

Through making single positioning sleeve's pattern with second master slice 2, just can arrange to the cooling tube of different row numbers, increase and decrease in a flexible way the quantity of second master slice 2, its production adaptability is better, allotment is simpler.

As shown in fig. 5, the radiating pipe 3 is provided with 3 rows.

According to the situation of practical production and application, under the arrangement mode of 2 rows or 3 rows of radiating pipes, the radiating performance of the aluminum radiator can be well exerted, the space requirement in the thickness direction can be considered, and the overall space utilization efficiency after the aluminum radiator is matched with other accessories is improved.

A heat dissipation belt 4 is arranged between the heat dissipation pipes 3 in the adjacent rows; the heat dissipation belt 4 is continuously bent into a wave-shaped structure; the heat dissipation belt 4 is in heat transfer fit with the heat dissipation pipe 3.

The effect of heat dissipation area 4 lies in utilizing the space between the cooling tube 3, increases heat radiating area to promote the radiating efficiency, the wavy structure can be conveniently cut from arbitrary department according to the length of cooling tube, and the assembly efficiency is high.

The radiating pipe 3 is of a flat-mouth structure; the heat dissipation belt 4 is correspondingly arranged on two sides corresponding to the long side of the section of the heat dissipation pipe 3.

The problem that the temperature is uneven near the pipe wall position and the liquid flow central position can be improved to flat mouthful structure on the one hand, and another convenience also can effectively control radiator thickness, adapts to more interior occupation space requirements of car.

The length-width ratio of the cross section of the inner cavity of the radiating pipe 3 is 5-12; the gaps between the radiating pipes 3 in the same row are 6-12mm.

In a specific design, the heat dissipation pipe 3 may adopt a design combination such as a length of 22mm, a width of 2mm, a distance of 8.5mm, or a length of 13.4mm, a width of 2mm, a distance of 10mm, etc., so as to ensure uniform heat dissipation at various positions in the pipe on the one hand, and exert the auxiliary heat dissipation performance of the heat dissipation belt 4 on the other hand. Specifically, when three rows of 13.4 mm-2mm pipe holes are formed in the radiating pipe 3 in a high-drawing mode, the pitch of the pipe holes is designed to be 10mm, and the height of the hole 11 is designed to be 9mm (namely the drawing height is 9 mm), the strength and the reliability of the radiator can be effectively improved, and the radiating performance is excellent; and after the structural holes are assembled and brazed in the three-row structure with the high drawing height of 13.4mm x 2mm and the drawing height of 9mm, the strength of the coating filling weak loop can be effectively improved.

The mechanisms, components and parts of the present invention not described with respect to the specific structure are the existing structures that exist in the prior art. Can be purchased directly from the market.

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a two layers of main leaf additional strengthening of car aluminium radiator which characterized in that: comprises a first main sheet (1), a second main sheet (2) and a radiating pipe (3); the first main piece (1) and the second main piece (2) are overlapped and sleeved at two ends of the radiating pipe (3); a plurality of positioning sleeves (21) are arranged on the second main piece (2); two ends of the positioning sleeve (21) are communicated; the end part of the radiating pipe (3) is inserted through the positioning sleeve (21) and then is connected with the first main sheet (1); the inner wall of the positioning sleeve (21) is attached to the outer surface of the radiating pipe (3).

2. The automobile aluminum radiator two-layer main fin reinforcing structure according to claim 1, characterized in that: the first main sheet (1) is provided with a hole site (11) and a guide nest (12); the hole positions (11) are in nested fit with the radiating pipe (3); the guide nest (12) is communicated and arranged on one side of the hole site (11) facing the second main sheet (2); the inner wall of the guide socket (12) is tightly attached to the end part of the positioning sleeve (21).

3. The automobile aluminum radiator two-layer main fin reinforcing structure according to claim 2, characterized in that: the inner wall of the guide nest (12) is a smooth surface which is expanded outwards; when the radiating pipe (3) with first main leaf (1), second main leaf (2) accomplish the assembly back, the inner wall of direction nest (12) with position sleeve (21) tip and leave cavity (13) between the outer wall of radiating pipe (3).

4. The automobile aluminum radiator two-layer main fin reinforcing structure according to claim 3, characterized in that: the surface of the second main sheet (2) is provided with a brazing coating.

5. The automobile aluminum radiator two-layer main fin reinforcing structure according to claim 1, characterized in that: each second main sheet (2) is provided with a single row of positioning sleeves; the second main sheets (2) are arranged in parallel according to the distribution row number of the radiating pipes (3).

6. The automobile aluminum radiator two-layer main fin reinforcing structure according to claim 5, characterized in that: the radiating pipes (3) are provided with 3 rows.

7. The automobile aluminum radiator two-layer main fin reinforcing structure according to claim 1, characterized in that: a heat dissipation belt (4) is arranged between the heat dissipation pipes (3) in the adjacent rows; the heat dissipation belt (4) is continuously bent into a wave-shaped structure; the heat dissipation belt (4) is in heat transfer fit with the heat dissipation pipe (3).

8. The automobile aluminum radiator two-layer main fin reinforcing structure according to claim 7, characterized in that: the radiating pipe (3) is of a flat-mouth structure; the radiating belt (4) is correspondingly arranged on two sides corresponding to the long side of the section of the radiating pipe (3).

9. The automobile aluminum radiator two-layer main fin reinforcing structure according to claim 8, characterized in that: the length-width ratio of the cross section of the inner cavity of the radiating pipe (3) is 5-12.

10. The automobile aluminum radiator two-layer main fin reinforcing structure according to claim 8, characterized in that: the gaps between the radiating pipes (3) in the same row are 6-12mm.