CN114475175A

CN114475175A - Connecting structure of split type vehicle door and window frame, welding process of connecting structure and vehicle

Info

Publication number: CN114475175A
Application number: CN202210012122.7A
Authority: CN
Inventors: 张述元; 李成整; 龙隆; 秦振中; 王之夏
Original assignee: Liuzhou Liuxin Auto Stamping Co ltd
Current assignee: Liuzhou Liuxin Auto Stamping Co ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-05-13

Abstract

The invention discloses a connecting structure of a split type car door and window frame, a welding process thereof and an automobile, wherein the connecting structure of the split type car door and window frame comprises a door body, a door frame and a bonding structure, the door body comprises a main body and a connecting seat, the main body is provided with an installation wall, the connecting seat is convexly arranged on the installation wall, and the connecting seat is provided with an installation groove with an upward opening; the door frame comprises a butt joint seat which is inserted into the mounting groove; the bonding structure is arranged between the butt joint seat and the mounting groove; the butt joint seat is provided with a welding part close to the installation wall, and the welding part is welded and fixed with the connecting seat. Through bonding structure with the welding position welding is guaranteed the door frame with the fastness of door body coupling is difficult for the separation, and the welding position is close to the installation wall sets up, is convenient for hide its welding trace through other spare parts in the car, need not to polish after the welding, reduce cost, and the outward appearance is pleasing to the eye.

Description

Connecting structure of split type vehicle door and window frame, welding process of connecting structure and vehicle

Technical Field

The invention relates to the technical field of automobile manufacturing, in particular to a connecting structure of a split type automobile door and window frame, a welding process of the connecting structure and an automobile.

Background

Traditional split type door sash's connected mode is the welding, through with the door overlap joint on the window frame to through two guarantor's welding welded modes, with the overlapping edge welding of door sash together, form a prominent weld part, then polish, this mode manufacturing cost is higher.

Disclosure of Invention

The invention mainly aims to provide a connecting structure of a split type door sash, a welding process of the connecting structure and an automobile, and aims to solve the problem that the production cost is high because the overlapped edges of the door sash are welded together in a two-dimensional welding mode in the conventional door sash.

In order to achieve the above object, the present invention provides a connection structure of a split type door sash, including:

the door body comprises a main body and a connecting seat, wherein the main body is provided with a mounting wall, the connecting seat is convexly arranged on the mounting wall, and the connecting seat is provided with a mounting groove with an upward opening;

the door frame comprises a butt joint seat, and the butt joint seat is inserted into the mounting groove;

the bonding structure is arranged between the butt joint seat and the mounting groove;

the butt joint seat is provided with a welding part close to the installation wall, and the welding part is welded and fixed with the connecting seat.

Optionally, the mounting wall and the welding portion are fixed by two-time welding and/or resistance welding.

Optionally, the docking cradle has a proximal end face close to the mounting wall and two side wall faces connecting the proximal end face, and each side wall face is provided with the welding portion close to the proximal end face.

Optionally, the two side wall surfaces extend vertically respectively;

the welding part of the side wall surface and the connecting seat are welded and fixed through resistance welding.

Optionally, the two side wall surfaces are a first side wall surface and a second side wall surface respectively, and the first side wall surface extends upwards and then bends and extends towards the second side wall surface;

the welding part of the first side wall surface and the connecting seat are fixed through two welding processes.

Optionally, the main part is including a plurality of connecting plates that connect gradually, and adjacent every two the connecting plate is the crossing contained angle setting to form the bight, the connecting seat is protruding to be established at least one bight department, and with corresponding two the connecting plate is connected, each the connecting plate forms one the installation wall.

Optionally, a sealing groove is formed at a connection position between the door body and the door frame, and the sealing groove is used for installing a sealing rubber strip;

the connecting structure of the split type vehicle door window frame further comprises a limiting plate arranged on one side of the sealing groove, the limiting plate is welded and fixed with the butt joint seat, a clamping groove is formed in the limiting plate towards the sealing groove, and the clamping groove is used for being clamped and fixed with the convex rib of the sealing rubber strip.

Optionally, the plate section of the limiting plate close to the connecting seat is welded and fixed with the butt joint seat.

The invention also provides an automobile, which comprises the connecting structure of the split type door sash, wherein the connecting structure of the split type door sash comprises:

the door body comprises a main body and a connecting seat, the main body is provided with a mounting wall, the connecting seat is convexly arranged on the mounting wall, and the connecting seat is provided with a mounting groove with an upward opening;

The invention also provides a welding process of the connection structure of the split type door and window frame, which comprises the following steps:

coating an adhesive structure on the outer surface of the butt joint seat or the inner surface of the mounting groove;

inserting the butt joint seat into the mounting groove, and bonding and fixing the butt joint seat and the connecting seat;

and welding and fixing the welding part of the butt joint seat and the connecting seat.

According to the technical scheme, after the butt joint seat of the door frame is inserted into the mounting groove, the door frame is fixedly mounted on the door body through the bonding structure coated on the outer surface of the butt joint seat or the inner surface of the mounting groove and the welding fixing mode, the notch of the mounting groove is not required to be welded with the side wall of the butt joint seat, the welding part of the butt joint seat and the mounting groove is arranged close to the mounting wall, welding traces such as sealing rubber strips and decorative plates are conveniently hidden through other parts on the door, the production procedures are reduced, the production efficiency is improved, and the whole door frame is attractive.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of an embodiment of a connection structure of a split-type vehicle door sash provided in the present invention;

FIG. 2 is an enlarged schematic view of detail B of FIG. 1;

FIG. 3 is a simplified top view schematic diagram of FIG. 2;

FIG. 4 is an enlarged schematic view of detail A of FIG. 1;

FIG. 5 is a simplified top view schematic diagram of FIG. 4;

fig. 6 is a schematic structural view of another embodiment of the connection structure of the split-type door sash according to the present invention;

fig. 7 is a schematic view illustrating a welding position of a door sash according to a conventional art.

The reference numbers illustrate:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The traditional connection mode of the split type door sash is welding, the overlapped edges of the door sash are welded together (please refer to part 42 in fig. 7) by overlapping the door on the sash and welding the overlapped edges of the door sash by two welding modes, so as to form a protruded welding part, and then polishing is performed, so that the production cost is high.

In view of this, the invention provides a connection structure of a split door sash, which solves the problem of high production cost of the existing door sash adopting a two-shielded welding mode. Fig. 1 to 5 are views illustrating an embodiment of a connection structure of a split door sash according to the present invention; fig. 6 is another embodiment of a connection structure of a split door sash according to the present invention; fig. 7 is an example of a welding position of a split door sash according to the conventional art.

Referring to fig. 1 to 5, the connection structure 100 of the split-type door sash includes a door body 1, a door frame 2 and an adhesive structure 3, the door body 1 includes a main body 11 and a connection seat 12, the main body 11 has a mounting wall 112, the connection seat 12 is convexly disposed on the mounting wall 112, and the connection seat 12 has a mounting groove 121 with an upward opening; the door frame 2 comprises a butt joint seat 21, and the butt joint seat 21 is inserted into the mounting groove 121; the bonding structure 3 is arranged between the butt joint seat 21 and the mounting groove 121; the docking seat 21 has a welding portion 4 near the mounting wall 112, and the welding portion 4 is welded and fixed to the connecting seat 12.

In the technical scheme of the invention, after the butt joint seat 21 of the door frame 2 is inserted into the mounting groove 121, the door frame 2 is fixedly mounted on the door body 1 through the bonding structure 3 coated on the outer surface of the butt joint seat 21 or the inner surface of the mounting groove 121 and a welding fixing mode, the notch of the mounting groove 121 and the side wall of the butt joint seat 21 are not required to be completely welded (please refer to the welding part 41 in the prior art provided by fig. 7), and the welding part 4 of the butt joint seat 21 and the mounting groove 121 is arranged close to the mounting wall 112, so that welding traces such as a sealing adhesive tape, an ornamental plate and the like are conveniently hidden through other parts on the door, and under the condition of meeting the requirement of the connection strength between the door and the vehicle frame, the production process is reduced, the production efficiency is improved, and the whole body is more beautiful.

In general, a door in an automobile has other parts, such as a sealing rubber strip disposed on an inner side of a door frame (i.e., an edge of a window), a trim panel on the door, and a protective plate, so as to cover a hidden welding trace, but the hidden area is limited, the number of welding positions is small, and the requirement of the connection strength between the door frame 2 and the door body 1 cannot be met only by welding, and therefore, an adhesive structure 3 is further required to make the connection between the door frame 2 and the door body 1 more secure.

The bonding structure 3 may be a structural adhesive, and is fixedly connected to the connecting seat 12 and the docking seat 21 after being baked.

It should be noted that the present invention is not limited to the welding method of the door frame 2 and the door body 1, and in this embodiment, the mounting wall 112 and the welding portion 4 are fixed by welding by the two-arc welding 41 and/or the resistance welding 42, which may be the two-arc welding 41 or the resistance welding 42, and of course, the two-arc welding 41 and the resistance welding 42 may be adopted at the same time as long as the door body 1 and the door frame 2 are not separated after being connected.

Referring to fig. 2 and 3, in the present invention, the docking base 21 has a proximal end surface 211 close to the mounting wall 112 and two side wall surfaces 212 connecting the proximal end surface 211, each side wall surface 212 is provided with the welding portion 4 close to the proximal end surface 211, and a plurality of positions are welded to ensure the connection strength between the door frame 2 and the door body 1, and the positions are also convenient for hiding welding marks.

It should be noted that, since the automobile has a plurality of doors, such as a front door and a rear door, and there is a significant difference in the structure of the door frame 2, it is necessary for those skilled in the art to select a suitable welding manner according to actual situations, for example, in an embodiment, two side wall surfaces 212 are respectively arranged to extend in the up-down direction F2; in this case, it is preferable that the welding portion 4 of the sidewall surface 212 and the connecting seat 12 are welded and fixed by the resistance welding 42, which is convenient to weld and efficient, and is applicable to a rear door of an automobile (see fig. 6) or to welding of a door body 1 at a rear end of a front door of an automobile and a door frame 2 (see fig. 1 to 3).

In another embodiment (see fig. 1 and 4), the two side wall surfaces 212 are a first side wall surface 2121 and a second side wall surface 2122, respectively, and the first side wall surface 2121 extends upward and then bends and extends toward the second side wall surface 2122, i.e., faces the connection structure between the other end of the door frame 2 and the door body 1 in the front-back direction; preferably, the welding portion 4 of the first side wall surface 2121 and the connecting seat 12 are welded and fixed by two weld beads 41, so that welding can be performed instead of the resistance welding 42 to weld an area that cannot be reached by a welding tongs of the resistance welding, and this way, the welding method is applicable to welding of the door frame 2 at the front end of the front door of the automobile and the door body 1.

In the present invention, the docking station 21 may be directly welded to two sides (not shown) of one mounting wall 112, and the two side wall surfaces 212 are respectively located at two opposite sides of the docking station 21; of course, the two installation walls 112 forming an included angle may also be welded (refer to fig. 2 to 4), if the cross section of the docking seat 21 along the vertical direction is square, the first side wall and the second side wall are adjacently disposed, specifically, in this embodiment, there are two installation walls 112, the main body 11 includes a plurality of connection plates 111 sequentially connected, every two adjacent connection plates 111 are disposed at a crossed included angle to form a corner, the connection seat 12 is convexly disposed at least one of the corners and connected to the corresponding two connection plates 111, each connection plate 111 forms one installation wall 112, one side of one installation wall 112 departing from the docking seat 21 is used for installing a sealing rubber strip, so as to hide a welding trace.

Referring to fig. 3 and 5, in order to facilitate installation of the sealing rubber strip, in this embodiment, a sealing groove 13 is formed at a connection position between the door body 1 and the door frame 2, and the sealing groove 13 is used for installation of the sealing rubber strip; connection structure 100 of split type door sash still is including locating the limiting plate 14 of one side of seal groove 13, limiting plate 14 and butt joint seat 21 welded fastening, limiting plate 14 is equipped with the draw-in groove towards seal groove 13, the draw-in groove is used for holding fixedly with joint strip's protruding muscle card, so, the accessible joint strip hides the welding vestige.

It should be noted that no matter what welding method is adopted, the welding trace cannot exceed the installation area of the joint strip, and a technician can use the limiting plate 14 as a reference, and the welding point does not exceed the limiting plate 14.

Of course, the front door of the vehicle can be hidden by other means, such as a trim panel, and in one embodiment, the front door of the vehicle is generally provided with a rear view mirror (see fig. 1 and 4), and the front door is correspondingly provided with a mounting structure and a trim panel for hiding the mounting structure, so that the welding trace of the second side wall surface 2122 at the front end of the front door of the vehicle can be hidden by the trim panel.

In addition, the plate section of the limiting plate 14 close to the connecting seat 12 is welded and fixed with the abutting seat 21, so that welding is facilitated.

The invention also provides a welding process of the connecting structure 100 based on the split type vehicle door and window frame, which comprises the following steps: coating an adhesive structure 3 on the outer surface of the docking seat 21 or the inner surface of the mounting groove 121;

inserting the butt joint seat 21 into the mounting groove 121, and bonding and fixing the butt joint seat 21 and the connecting seat 12; and welding and fixing the welding part 4 of the butt joint seat 21 and the connecting seat 12. The notch of the mounting groove 121 and the side wall of the butt joint seat 21 do not need to be welded completely, the butt joint seat 21 and the welding part 4 of the mounting groove 121 are close to the mounting wall 112, so that welding traces such as sealing rubber strips and decorative plates can be hidden through other parts on the vehicle door, the production processes are reduced, the production efficiency is improved, and the whole structure is attractive.

When the structural adhesive is coated, the structural adhesive with the diameter not less than 3mm is selected and continuously coated from one end to the other end through the corner, and the length is not less than 20 mm.

And when the second arc welding is carried out, the height of the welding seam is controlled to be 0.5-1.5 mm, the welding seam is ensured to be flat, and the length of the welding seam is 8-10 mm.

The present invention further provides an automobile, which includes all the technical features of the above-mentioned connection structure 100 for a split door sash, and therefore, has the technical effects brought by all the technical features, and is not described in detail herein.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A connection structure of split type door sash, characterized by comprising:

2. The connecting structure of the split type door sash according to claim 1, wherein the mounting wall and the welding portion are fixed by two-dimensional welding and/or resistance welding.

3. The connecting structure for a divided door sash according to claim 1, wherein said docking station has a proximal end face adjacent to said mounting wall and two side wall faces connecting said proximal end face, each of said side wall faces being provided with said welding portion adjacent to said proximal end face.

4. The connecting structure of a split type door sash according to claim 3, wherein two of the side wall surfaces are respectively provided extending in the up-down direction;

5. The connecting structure of a divided door sash according to claim 3, wherein the two side wall surfaces are a first side wall surface and a second side wall surface, respectively, and the first side wall surface extends upward and then curves toward the second side wall surface;

6. The connecting structure of a divided door sash according to any one of claims 1 to 5, wherein the main body includes a plurality of connecting plates connected in series, each two adjacent connecting plates are disposed at an included angle to form a corner, the connecting seat is protruded at least one of the corners and connected to the corresponding two connecting plates, and each connecting plate forms one of the mounting walls.

7. The connecting structure of the split door sash according to claim 1, wherein a sealing groove is formed at a connection between the door body and the door frame, and the sealing groove is used for installing a sealing rubber strip;

8. The connecting structure of the split type door sash of claim 7, wherein the plate section of the stopper plate adjacent to the connecting seat is welded and fixed to the docking seat.

9. An automobile characterized by comprising the connecting structure of the split type door sash according to any one of claims 1 to 8.

10. A welding process of a connection structure of a split type door sash according to claim 1, comprising the steps of: