CN212205729U

CN212205729U - Radiator mainboard with novel flat tube hole structure

Info

Publication number: CN212205729U
Application number: CN202022734523.2U
Authority: CN
Inventors: 钟友谊
Original assignee: Weifang Lichi Precision Tooling Co ltd
Current assignee: Weifang Lichi Precision Tooling Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2020-12-22
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a radiator mainboard with novel flat tube hole structure, including the mainboard body, offer a plurality of flat tube holes that are used for connecting flat pipe on the mainboard body, lie in all around a plurality of flat tube holes on the mainboard body and all integrative being provided with and being annular turn-ups, be provided with the convex closure subassembly that is used for increasing mainboard body and flat tub of welding area on the mainboard body, the convex closure subassembly is laid at the periphery of flat tube hole, the utility model discloses a rationalization design, act as the face of weld of flat tube hole with the help of convex closure lateral wall area, increased the area of the welding position of flat tub of pipe and mainboard body, effectively strengthened the welding effect of mainboard body and flat tub of pipe, the increase of welding position area also makes the area increase of the bisque of brazing, guaranteed that the welding effect is more firm reliable.

Description

Radiator mainboard with novel flat tube hole structure

Technical Field

The utility model relates to a radiator technical field, specific theory relates to a rational in infrastructure, weld effectual radiator mainboard that has novel flat tube hole structure.

Background

Radiator mainboard is vehicle air conditioner and all kinds of refrigerating system's important part, flat pipe mounting hole is the indispensable structure on its mainboard, because the shape structure of the flat tube hole of different mainboards is different, its result of use and life are also very inequality, after flat pipe inserts radiator mainboard flat tube hole, the performance of welding effect direct influence radiator, flat tube hole mainly leans on the structure assurance of flat tube hole with the effective welding area of flat pipe, traditional radiator mainboard flat tube hole position is flat plate structure usually, flat tube hole of mainboard is less with flat tube area of contact, this local easy emergence after the welding reveals, destroy the performance of whole refrigerating system heat dissipation part.

SUMMERY OF THE UTILITY MODEL

The to-be-solved main technical problem of the utility model is to provide a radiator mainboard that has novel flat tube hole structure rational in infrastructure, weld effectual.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a radiator mainboard with novel flat tube hole structure, includes the mainboard body, offers a plurality of flat tube holes that are used for connecting flat pipe on the mainboard body, lies in all integrative being provided with all around of a plurality of flat tube holes on the mainboard body and is annular turn-ups, is provided with the convex closure subassembly that is used for increasing mainboard body and flat tub of weld area on the mainboard body, and the convex closure subassembly is laid in the periphery of flat tube hole.

The following is the utility model discloses to above-mentioned technical scheme's further optimization:

the convex hull subassembly includes a plurality of first convex hulls, and a plurality of first convex hulls set up on the face of keeping away from turn-ups one side on the mainboard body, and first convex hull sets up the both sides on flat tub of hole long limit respectively.

Further optimization: the transversal trapezium structure of personally submitting of first convex closure, first convex closure and the integrative stamping forming of mainboard body.

Further optimization: a guide groove is arranged between two adjacent first convex hulls, the cross section of the guide groove is of a V-shaped structure, and the guide groove is communicated with the flat pipe hole.

Further optimization: the guide groove comprises a first side surface and a second side surface, and the first side surface and the second side surface are symmetrically distributed relative to the flat pipe hole.

Further optimization: and second convex hulls are arranged at two ends of the flat pipe hole on the main board body, and are arranged on the same side face of the main board body and the flanging.

Further optimization: the second convex hull and the main board body are integrally formed in a stamping mode.

Further optimization: the first side and the second side are coated with a brazing powder layer.

Further optimization: and the side surface of the second convex hull close to the flat tube hole is coated with a brazing powder layer.

Further optimization: all be provided with the hem around the mainboard body, integrative punching press of hem and mainboard body

And (5) molding.

The utility model discloses a rationalization design, serve as the face of weld of flat tube hole with the help of convex closure lateral wall area, flat pipe and the welding position's of mainboard body area has been increased, the welding effect of mainboard body and flat pipe has effectively been strengthened, the increase of welding position area also makes the area increase of the bisque of brazing, it is more firm reliable to have guaranteed the welding effect, the bisque of brazing coats on the lateral wall of convex closure, the bisque of brazing flows to flat pipe and flat tube hole's combination department along convex closure lateral wall after being heated the fusion, and in being inhaled the clearance between flat pipe and the flat tube hole with the help of capillary action, the mobility of brazing material after the fusion has been strengthened, the quantity of brazing material after the fusion of welding department has been increased, make the welding of flat pipe and flat tube hole after the welding, sealed effect is.

The present invention will be further explained with reference to the drawings and examples.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic view of the overall structure in another direction according to the embodiment of the present invention;

fig. 3 is a front view of an embodiment of the present invention;

fig. 4 is a cross-sectional view of fig. 3 in an embodiment of the present invention.

In the figure: 1-main board body; 2-flat tube hole; 3-flanging; 4-a first convex hull; 401-guide groove; 402-a first side; 403-a second side; 5-a second convex hull; 6-folding edges; 7-flat tube.

Detailed Description

Example (b):

as shown in fig. 1-3, a radiator main board with a novel flat tube hole structure comprises a main board body 1, wherein a plurality of flat tube holes 2 used for connecting flat tubes 7 are arranged on the main board body 1, a plurality of round flanges 3 which are annular are arranged on the main board body 1 and are positioned around the flat tube holes 2, a convex hull component used for increasing the welding area of the main board body 1 and the flat tubes 7 is arranged on the main board body 1, and the convex hull component is arranged on the periphery of the flat tube holes 2.

Design like this, through an organic whole set up turn-ups 3 on mainboard body 1, guaranteed that mainboard body 1 and flat fitting surface of pipe 7 have good laminating state, set up the area that the convex closure subassembly has increased mainboard body 1 and flat pipe 7's welding position through the periphery at flat tub of hole 2, guaranteed flat pipe 7 and mainboard body 1 welded fastening more firmly reliable.

The convex hull subassembly includes a plurality of first convex hulls 4, and a plurality of first convex hulls 4 set up on mainboard body 1 keep away from turn-ups 3 one side on the face, and first convex hull 4 sets up the both sides on flat tub of hole 2 long limit respectively.

As shown in fig. 4, the cross section of the first convex hull 4 is of a trapezoid structure, the first convex hull 4 and the main board body 1 are integrally formed by stamping, a guide groove 401 is arranged between two adjacent first convex hulls 4, the cross section of the guide groove 401 is of a V-shaped structure, and the guide groove 401 is communicated with the flat pipe hole 2.

Design like this, when having guaranteed to insert flat pipe hole 2 with flat pipe 7, guide way 401 plays the guide effect to flat pipe 7 for flat pipe 7 can be easier insert flat pipe hole 2 in, and guide way 401 has increased flat pipe 7 and mainboard body 1's welding area, it is more firm reliable to have guaranteed flat pipe 7 and mainboard body 1 welded fastening, first convex closure 4 has also played the effect of strengthening rib simultaneously, has increased mainboard body 1's self intensity.

The guide slot 401 includes a first side 402 and a second side 403, and the first side 402 and the second side 403 are symmetrically arranged with respect to the flat tube hole 2.

The cross-sections of the first side surface 402 and the second side surface 403 are provided with an angle α, preferably 60 ° ± 1 °.

After the flat pipe 7 is inserted into the flat pipe hole 2, the first side surface 402, the second side surface 403 and the side surface of the flat pipe 7 form a welding cavity, and during welding, the welding cavity is used for accommodating more welding materials after welding, the contact area between the welding materials and the flat pipe 7 and the contact area between the welding materials and the first convex hull 4 are respectively increased, so that the welding strength between the flat pipe 7 and the first convex hull 4 is increased, and the welding strength between the flat pipe 7 and the main board body 1 is further increased.

As shown in fig. 2, the two ends of the flat tube hole 2 on the main board body 1 are both provided with second convex hulls 5, and the second convex hulls 5 are arranged on the same side face of the main board body 1 and the turned-over edge 3.

The second convex hull 5 is of a mountain hull-shaped structure, and the second convex hull 5 and the main board body 1 are integrally formed in a punching mode.

Design like this, increased flat pipe 7 and mainboard body 1's welded position's area, guaranteed that flat pipe 7 is more firm reliable with mainboard body 1 welded fastening, second convex closure 5 has also played the effect of strengthening rib simultaneously, has further increased mainboard body 1's self intensity.

The first side 402 and the second side 403 are coated with a brazing powder layer, and the second convex hull 5 is coated with a brazing powder layer on the side close to the flat tube hole 2.

The side surfaces of the flat tubes 7 close to the flat tube holes 2 are coated with brazing powder layers.

Design like this, when having guaranteed that flat pipe 7 installs and weld in flat tube hole 2, flat pipe 7, mainboard body 1 and brazing powder layer are heated to being higher than brazing powder melting point temperature slightly after, the brazing powder on brazing powder layer melts, and in being full of the clearance between flat pipe 7 and flat tube hole 2 with the help of capillary action is inhaled and is filled with, liquid brazing filler metal melts with flat pipe 7 and mainboard body 1 interdiffusion, form the joint part of brazing after the condensation promptly, flat pipe 7 has been increased with mainboard body 1 welded firm degree, flat pipe 7 has been strengthened with flat tube hole 2's sealed effect.

All be provided with hem 6 around mainboard body 1, hem 6 and the integrative stamping forming of mainboard body 1, the intensity of mainboard body 1 self has further been strengthened in the setting of hem 6.

The utility model discloses a rationalization design, serve as the face of weld of flat tube hole 2 with the help of convex closure lateral wall area, flat pipe 7 and mainboard body 1's welding position's area has been increased, mainboard body 1 and flat pipe 7's welding effect has effectively been strengthened, the increase of welding position area also makes the area increase of braze welding bisque, it is more firm reliable to have guaranteed the welding effect, the braze welding bisque coating is on the lateral wall of convex closure, braze welding bisque is heated the melting back and flows to flat pipe 7 and flat pipe hole 2's combination department along convex closure lateral wall, and in being inhaled flat pipe 7 and the clearance between flat pipe hole 2 with the help of capillary action, the mobility of brazing material after the melting has been strengthened, the quantity of brazing material after the welding department melting has been increased, make welding back flat pipe 7 and flat pipe hole 2's welding, sealed effect is better.

For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. The utility model provides a radiator mainboard with novel flat tube hole structure, includes mainboard body (1), its characterized in that: a plurality of flat tube holes (2) used for connecting flat tubes (7) are formed in the main board body (1), the peripheries of the flat tube holes (2) are all integrally provided with annular flanges (3), the main board body (1) is provided with convex hull components used for increasing the welding area of the main board body (1) and the flat tubes (7), and the convex hull components are arranged on the peripheries of the flat tube holes (2).

2. The radiator main plate with the novel flat tube hole structure according to claim 1, wherein: the convex hull component comprises a plurality of first convex hulls (4), the first convex hulls (4) are arranged on the surface of the main board body (1) far away from one side of the flanging (3), and the first convex hulls (4) are respectively arranged on two sides of the long edge of the flat pipe hole (2).

3. The radiator main plate with the novel flat tube hole structure according to claim 2, wherein: the cross section of the first convex hull (4) is of a trapezoidal structure, and the first convex hull (4) and the main board body (1) are integrally formed in a punching mode.

4. The radiator main plate with the novel flat tube hole structure according to claim 3, wherein: a guide groove (401) is arranged between two adjacent first convex hulls (4), the cross section of the guide groove (401) is of a V-shaped structure, and the guide groove (401) is communicated with the flat pipe hole (2).

5. The radiator main plate with the novel flat tube hole structure according to claim 4, wherein: the guide groove (401) comprises a first side surface (402) and a second side surface (403), and the first side surface (402) and the second side surface (403) are symmetrically arranged relative to the flat pipe hole (2).

6. The radiator main plate with the novel flat tube hole structure according to claim 5, wherein: both ends of flat tube hole (2) all are provided with second convex closure (5) on mainboard body (1), and second convex closure (5) set up on mainboard body (1) and turn-ups (3) are with the face of one side.

7. The radiator main plate with the novel flat tube hole structure according to claim 6, wherein: the second convex hull (5) and the main board body (1) are integrally formed in a punching mode.

8. The radiator main plate with the novel flat tube hole structure as claimed in claim 7, wherein: the first side surface (402) and the second side surface (403) are coated with a brazing powder layer.

9. The radiator main plate with the novel flat tube hole structure according to claim 8, wherein: the side surface of the second convex hull (5) close to the flat tube hole (2) is coated with a brazing powder layer.

10. The heat sink main plate with the novel flat tube hole structure as claimed in claim 9, wherein: all be provided with hem (6) around mainboard body (1), hem (6) and mainboard body (1) integrative stamping forming.