Mounting structure of car door frame decorating part and door metal plate welding assembly

Abstract

The utility model relates to the technical field of automobile bodies, and discloses a mounting structure of an automobile door frame decorating part and a door metal plate welding assembly, which comprises the door metal plate welding assembly and the door frame decorating part mounted on the door metal plate welding assembly, the section of the door frame decorating part is of a J-shaped structure, and a sealing strip is mounted on the edge of the upper end of the door frame decorating part. The inner sealing assembly and the sealing strip are located at the same side end of the door frame decorating part, the inner sealing assembly is arranged close to the middle section position of the door frame decorating part, the inner sealing assembly is extruded on the door metal plate welding assembly, and the inner sealing assembly comprises a side installation base installed at the position, close to the middle section position of the door frame decorating part, of the inner sealing assembly; a plurality of expansion rubber blocks are uniformly distributed on the side mounting seat, and at least two expansion rubber blocks are extruded on the door metal plate welding assembly. The expansion rubber block located below the side installation base abuts against the door metal plate welding assembly, extrusion deformation is achieved, and the leakproofness between the door frame decorating part and the door metal plate welding assembly is improved through the expansion rubber block.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile body, concretely relates to a mounting structure of door frame decoration piece and door sheet metal welding assembly. BACKGROUND

[0002] Chinese patent application file CN205836708U discloses a mounting structure of door frame decoration piece and door sheet metal welding assembly, including door sheet metal welding assembly, a plurality of plastic nuts are connected on the door sheet metal welding assembly, the door frame decoration piece is connected on the door sheet metal welding assembly through a plurality of screws and a plurality of plastic nuts one-to-one corresponding cooperation, the cross section of the door frame decoration piece is " J " shape, its left side is equipped with a main positioning hole, a secondary positioning hole and a plurality of through holes, a plurality of screws pass through the main positioning hole, the secondary positioning hole and the plurality of through holes and the plurality of plastic nuts connected on the door sheet metal welding assembly one-to-one corresponding connection;The right side of the door frame decoration piece is bonded with sealing strip, and the sealing strip fills the gap between the door frame decoration piece and the door sheet metal welding assembly. The mounting structure can eliminate the assembly error of the door frame decoration piece and the door sheet metal welding assembly, and avoid the phenomenon of uneven gap or appearance matching area.

[0003] The mounting structure uses a sealing strip to overcome the gap between the door frame decoration piece and the door sheet metal welding assembly and the scratch risk problem between the two, and the structure is simple. However, considering that the sealing strip can only fill the gap, the sealing strip will become hard after long-term use, and the sealing performance cannot be guaranteed. UTILITY MODEL CONTENTS

[0004] To improve the above problems, the utility model discloses a mounting structure of door frame decoration piece and door sheet metal welding assembly, including door sheet metal welding assembly and door frame decoration piece installed on it, the cross section of the door frame decoration piece is J-shaped structure, the upper end edge position of the door frame decoration piece is installed with sealing strip, and the utility model further comprises: an inner sealing assembly located at the same side end of the sealing strip of the door frame decoration piece, the inner sealing assembly is arranged at the middle section position close to the door frame decoration piece, the inner sealing assembly is extruded on the door sheet metal welding assembly, the inner sealing assembly comprises a side mounting seat installed at the middle section position close to the door frame decoration piece of the inner sealing assembly, a plurality of expansion rubber blocks are uniformly distributed on the side mounting seat, and at least two expansion rubber blocks are extruded on the door sheet metal welding assembly.

[0005] Preferably, seven expansion rubber blocks are uniformly distributed on the side mounting seat, and the cross section of the expansion rubber block is wedge-shaped structure.

[0006] Preferably, each expansion rubber block is provided with a sub-liquid storage channel, and the side mounting seat is provided with a main liquid storage channel in communication with each sub-liquid storage channel.

[0007] Preferably, the side mounting seat is concave away from the end of the expanded rubber block to form a side mounting chamber, a limiting sliding groove is oppositely arranged on the inner wall of the side mounting chamber, one end of a side mounting block is connected with the side mounting plate, the other end of the side mounting block is provided with a limiting sliding block, and the limiting sliding block is slidably connected in the limiting sliding groove.

[0008] Preferably, the side mounting seat is semi-elliptical in cross section.

[0009] Compared with the prior art, the utility model has the advantages of:

[0010] The mounting structure of the door frame decoration piece and the door sheet metal welding assembly of the utility model is characterized in that: the expanded rubber block below the side mounting seat is arranged on the door sheet metal welding assembly and is deformed by extrusion, and the expanded rubber block further improves the air tightness between the door frame decoration piece and the door sheet metal welding assembly. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced as follows, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0012] Figure 1 It is a structural schematic view of the utility model;

[0013] Figure 2 It is Figure 1 It is an enlarged view of the reference sign A;

[0014] Figure 3 It is a mounting schematic view of the inner sealing assembly of the utility model on the door frame decoration piece.

[0015] In the drawings: 1. Door sheet metal welding assembly; 2. Door frame decoration piece; 3. Sealing strip; 40. Foam adhesive layer; 41. Side mounting seat; 42. Expanded rubber block; 43. Sub-liquid storage channel; 44. Main liquid storage channel; 45. Side mounting chamber; 46. Limiting sliding groove; 47. Side mounting block; 48. Side mounting plate; 49. Limiting sliding block. DETAILED DESCRIPTION

[0016] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0017] Embodiment

[0018] The present application will be further described below with reference to the drawings.

[0019] As Figures 1 to 3 shown, the mounting structure of the door frame decoration piece and the door sheet metal welding assembly provided by the present embodiment comprises a door sheet metal welding assembly 1 and a door frame decoration piece 2 mounted thereon, the cross section of the door frame decoration piece 2 is provided with a J-shaped structure, a sealing strip 3 is mounted at the upper end edge position of the door frame decoration piece 2, and further comprises: an inner sealing assembly located at the same side end of the sealing strip 3 and the door frame decoration piece 2, the inner sealing assembly is arranged close to the middle section position of the door frame decoration piece 2, the inner sealing assembly is extruded on the door sheet metal welding assembly 1, the inner sealing assembly comprises a side mounting seat 41 mounted close to the middle section position of the door frame decoration piece 2, a plurality of expansion rubber blocks 42 are uniformly distributed on the side mounting seat 41, and at least two expansion rubber blocks 42 are extruded on the door sheet metal welding assembly 1.

[0020] The working principle and beneficial effects of the above technical solution are:

[0021] The mounting structure of the door frame decoration piece and the door sheet metal welding assembly provided by the present application, on the basis of the sealing strip 3, the expansion rubber blocks 42 located below the side mounting seat 41 are extruded on the door sheet metal welding assembly 1 and deformed, and the expansion rubber blocks 42 further improve the airtightness between the door frame decoration piece 2 and the door sheet metal welding assembly 1.

[0022] In one embodiment, the seven expansion rubber blocks 42 are uniformly distributed on the side mounting seat 41, and the cross section of the expansion rubber block 42 is provided with a wedge-shaped structure.

[0023] The working principle and beneficial effects of the above technical solution are:

[0024] When the door frame decoration 2 is installed on the door metal welding assembly 1 by the cooperation of the screw and the nut, the expansion rubber block 42 located below the side mounting seat 41 is preferentially abutted on the door metal welding assembly 1, the cross section of the expansion rubber block 42 is designed as a wedge structure with the upper part being narrow and the lower part being wide, and the expansion rubber block 42 is easy to deform after being extruded.

[0025] In an embodiment, each expansion rubber block 42 is provided with a sub-liquid storage channel 43, and the side mounting seat 41 is provided with a main liquid storage channel 44 in communication with each sub-liquid storage channel 43.

[0026] The working principle and beneficial effects of the above technical solution are as follows:

[0027] When the door frame decoration 2 is installed on the door metal welding assembly 1 by the cooperation of the screw and the nut, the expansion rubber block 42 located below the side mounting seat 41 is preferentially abutted on the door metal welding assembly 1, the expansion rubber block 42 is deformed after being extruded, the liquid in the sub-liquid storage channel 43 in the expansion rubber block 42 is pressed into the main liquid storage channel 44, and is branched to the expansion rubber block 42 which is not extruded, and is usually branched to the sub-liquid storage channel 43 of the adjacent expansion rubber block 42, so that the adjacent expansion rubber block 42 is expanded and the volume is increased, thereby abutting on the door metal welding assembly 1, causing at least three expansion rubber blocks 42 to abut on the door metal welding assembly 1 as shown in the figure, so as to further improve the sealing between the door frame decoration 2 and the door metal welding assembly 1. Figure 2

[0028] In an embodiment, the end of the side mounting seat 41 away from the expansion rubber block 42 is designed as a concave structure to form a side mounting chamber 45, a limiting sliding groove 46 is oppositely formed on the inner wall of the side mounting chamber 45, one end of a side mounting block 47 is connected with a side mounting plate 48, the other end of the side mounting block 47 is provided with a limiting sliding block 49, the limiting sliding block 49 is slidingly connected in the limiting sliding groove 46, and the side mounting plate 48 is adhered to the middle position of the inner sealing assembly close to the door frame decoration 2 through the foam adhesive layer 40.

[0029] The working principle and beneficial effects of the above technical solution are as follows:

[0030] When the door frame decoration 2 is installed on the door metal welding assembly 1 by the cooperation of the screw and the nut, the expansion rubber block 42 located below the side mounting seat 41 is preferentially abutted on the door metal welding assembly 1, the expansion rubber block 42 is deformed after being extruded, the liquid in the sub-liquid storage channel 43 in the expansion rubber block 42 is pressed into the main liquid storage channel 44, and is branched to the expansion rubber block 42 which is not extruded, and is usually branched to the sub-liquid storage channel 43 of the adjacent expansion rubber block 42, so that the adjacent expansion rubber block 42 is expanded and the volume is increased, thereby abutting on the door metal welding assembly 1, causing at least three expansion rubber blocks 42 to abut on the door metal welding assembly 1 as shown in the figure, so as to further improve the sealing between the door frame decoration 2 and the door metal welding assembly 1.

[0031] ​In one embodiment, the side mount 41 is semi-elliptical in cross-section.

[0032] Obviously, the above-described embodiments are only illustrative and not restrictive. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. It is not necessary or possible to exhaust all the embodiments. The obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. An installation structure for a door frame decorative component and a door sheet metal welding assembly, comprising a door sheet metal welding assembly (1) and a door frame decorative component (2) mounted thereon, wherein the cross-section of the door frame decorative component (2) is J-shaped, and a sealing strip (3) is installed at the upper edge of the door frame decorative component (2), characterized in that, It also includes: an inner sealing assembly located on the same side of the door frame trim (2) as the sealing strip (3), the inner sealing assembly being positioned near the middle section of the door frame trim (2), the inner sealing assembly being pressed against the door sheet metal welding assembly (1), the inner sealing assembly including a side mounting seat (41) installed on the inner sealing assembly near the middle section of the door frame trim (2), a plurality of expansion rubber blocks (42) being evenly distributed on the side mounting seat (41), and at least two expansion rubber blocks (42) being pressed against the door sheet metal welding assembly (1).

2. The installation structure of the door frame decorative part and the door sheet metal welding assembly according to claim 1, characterized in that, Seven expanding rubber blocks (42) are evenly distributed on the side mounting base (41), and the cross-section of the expanding rubber blocks (42) is designed as a wedge structure.

3. The installation structure of the door frame decorative part and the door sheet metal welding assembly according to claim 1, characterized in that, Each expansion rubber block (42) is provided with a sub-liquid storage channel (43), and the side mounting base (41) is provided with a main liquid storage channel (44) that communicates with each sub-liquid storage channel (43).

4. The installation structure of the door frame decorative part and the door sheet metal welding assembly according to claim 1, characterized in that, The side mounting base (41) is recessed at the end away from the expansion rubber block (42) to form a side mounting chamber (45). A limiting groove (46) is opened opposite each other on the inner wall of the side mounting chamber (45). One end of the side mounting block (47) is connected to the side mounting plate (48). A limiting slider (49) is installed at the other end of the side mounting block (47). The limiting slider (49) is slidably connected in the limiting groove (46). The side mounting plate (48) is attached to the middle section of the inner sealing assembly near the door frame decoration (2) through the foam adhesive layer (40).

5. The installation structure of the door frame decorative part and the door sheet metal welding assembly according to claim 1, characterized in that, The side mounting base (41) has a semi-elliptical cross section.

Images