CN115723539A

CN115723539A - Sealing structure for end part of sealing strip outside window of frameless vehicle door

Info

Publication number: CN115723539A
Application number: CN202211407480.4A
Authority: CN
Inventors: 王统
Original assignee: Ningbo Xintai Machinery Co Ltd
Current assignee: Ningbo Xintai Machinery Co Ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-03-03

Abstract

The invention belongs to the technical field of automobile decorative strips, and provides a sealing structure for an end part of an outer sealing strip of a frameless vehicle door, which comprises a body, a C column connecting angle and a double-sided adhesive tape, wherein one end of the body is integrally connected with the C column connecting angle, the C column connecting angle is provided with the double-sided adhesive tape, the C column connecting angle is clamped with a rabbet of a vehicle door inner plate for prepositioning, and the C column connecting angle is fixed on a window frame reinforcing plate through the double-sided adhesive tape after the prepositioning. The invention has the advantages of solving the problem that the connecting angle cannot be fixed because the mounting bracket cannot extend to the end part, having simple structure, convenient installation, good sealing effect and beautiful appearance, simultaneously avoiding the outer plate of the vehicle door from abutting against the side wall C column decorative plate, improving the shock resistance of opening and closing the door, and the like.

Description

Sealing structure for end part of sealing strip outside window of frameless vehicle door

Technical Field

The invention belongs to the technical field of automobile decorative strips, and relates to a sealing structure for an end part of an outer window sealing strip of a frameless vehicle door.

Background

At present, the bending radius of the outer sealing strip of the door and window in the automobile industry is generally larger than R300, and the main reason is that the bending radius is too small due to the limitation of the conventional stretch bending process, so that the problems of whitish necking of the appearance of a product, narrow opening of a section and the like can occur. However, with the development of the automobile industry, it is more and more urgent to meet the personalized requirements of users, and the conventional stretch bending process cannot meet the smaller and smaller bending radius of the car door model, so that it is urgently needed to design a window outer sealing strip and an end sealing structure under the condition that the bending radius of the sheet metal model is insufficient, so as to meet the requirements of customers on the car body model.

Disclosure of Invention

The invention aims to solve the technical problem of the current situation of the prior art and provides a sealing structure for the end part of the sealing strip outside the window of the frameless vehicle door, which has the advantages of simple structure, good sealing effect and beautiful appearance, and is convenient to install.

The technical scheme adopted by the invention for solving the technical problems is as follows: the end sealing structure of the outer sealing strip of the frameless vehicle door is characterized by comprising a body, a C column connecting angle and a double-sided adhesive tape, wherein one end of the body is integrally connected with the C column connecting angle, the C column connecting angle is provided with the double-sided adhesive tape, the C column connecting angle is in clamping connection with a rabbet of a vehicle door inner plate for prepositioning, and the C column connecting angle is fixed on a window frame reinforcing plate through the double-sided adhesive tape after the prepositioning.

In the sealing structure for the end of the outer sealing strip of the frameless vehicle door, the connecting angle of the C column comprises the connecting angle upper lip edge, the shape of the connecting angle upper lip edge is consistent with that of the upper lip edge and the outer side sealing lip edge of the body, and the connecting angle upper lip edge is in interference fit with the side wall C column sealing strip and the side wall C column decorative plate.

In the sealing structure for the end of the external sealing strip of the frameless vehicle door, the C-pillar connecting corner comprises an upper lip edge on the outer side of the connecting corner, the shape of the upper lip edge on the outer side of the connecting corner is consistent with that of the upper lip edge of the body, and the upper lip edge on the outer side of the connecting corner extends to the end of an external sheet metal of the vehicle door and keeps the same interference with the edge wrapping of the external sheet metal of the vehicle door.

In the sealing structure for the end part of the sealing strip outside the window of the frameless vehicle door, the C-shaped column joint angle comprises an inverted U-shaped groove, a reinforcing rib is arranged inside the inverted U-shaped groove, the bottom of the front end of the inverted U-shaped groove is in contact with the spigot of the installing support, a space is provided at the rear end of the inverted U-shaped groove, and the internal water cutting joint angle is inserted into the inverted U-shaped groove.

In the sealing structure for the end part of the sealing strip outside the window of the frameless vehicle door, the connecting angle of the C column comprises a lower side U-shaped groove, and the lower side U-shaped groove is clamped on a rabbet of a vehicle door inner plate.

In the sealing structure for the end part of the sealing strip outside the window of the frameless vehicle door, the joint angle of the C column and the body are positioned on the glass section, and the glass edge at the joint position is 3-10mm.

In the sealing structure for the end part of the sealing strip outside the window of the frameless vehicle door, one end of the body is integrally connected with a C-column connecting angle in an injection molding manner, and the body is bent and formed by stretch bending.

Compared with the prior art, the invention has the advantages that the C-column connecting angle is injected at the rear end of the sealing strip at the outer side of the vehicle door to realize the shape with small bending radius of the vehicle door, the C-column connecting angle is adhered to the window frame reinforcing plate by adopting the high-viscoelasticity double-sided adhesive tape, and the lower side U-shaped groove is arranged on the C-column connecting angle and is clamped with the rabbet of the inner plate, so that the problem that the connecting angle cannot be fixed because the mounting bracket cannot extend to the end part is solved.

Drawings

FIG. 1 is a schematic view of the composition of the exterior sash seal for the frameless vehicle door;

FIG. 2 is an enlarged view of the C-pillar corner end of the outer sash seal of the present frameless door;

FIG. 3 isbase:Sub>A cross section A-A of the body in cooperation with glass and sheet metal;

FIG. 4 is a matching section B-B of the C-pillar connecting angle and the glass and sheet metal;

FIG. 5 is a section C-C of the lower U-shaped groove of the C-pillar connecting corner and the inner plate rabbet;

FIG. 6 is a cross-section D-D of the mating corner of the C-post with the opponent;

FIG. 7 is a mating section E-E of the C-pillar fillet end and the internal water fillet.

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. It should be apparent that the described embodiments are only some 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 of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting to the scope of the present invention.

In the figure, a body 100; a C-pillar joint angle 200; a double-sided adhesive tape 300; a mounting bracket 400; corner upper lip 500; corner outboard upper lip 600; an inverted U-shaped groove 700; a lower U-shaped groove 800; a side wall C-pillar seal strip 900; a side wall C-pillar trim panel 1000; an outer door panel 1001; a window frame reinforcing plate 1002; internal water cutting angle 1003; door inner panel seam allowance 1004.

As shown in fig. 1 and 2, the sealing structure for the end of the external sealing strip of the frameless vehicle door includes a body 100, a C pillar joint angle 200 and a double-sided tape 300, wherein one end of the body 100 is integrally connected with the C pillar joint angle 200, the C pillar joint angle 200 is provided with the double-sided tape 300, the C pillar joint angle 200 is connected with a door inner plate seam allowance 1004 in a clamping and pre-positioning manner, and the C pillar joint angle 200 is fixed on a window frame reinforcing plate 1002 through the double-sided tape 300 after the pre-positioning, wherein the cross section of the body 100 is in an inverted U shape and is mounted on a mounting bracket 400 on the inner side of a vehicle door outer metal plate 1001, the body 100 is in a bending shape and is formed by bending, the first bending of the vehicle door shape can be realized through a bending process, the double-sided tape 300 is used for fixing the C pillar joint angle 200 on the window frame reinforcing plate 1002, the double-sided tape 300 can realize continuous connection, and when selected, the excellent viscoelasticity performance can be satisfied, the shearing force caused by absorbing and dispersing the dynamic and the cold shrinkage of different parts can be compensated; and excellent cold shock resistance, reliable sealing and waterproofing properties, and high resistance to moisture and UV radiation.

Specifically, the C-pillar corner 200 mainly comprises a corner upper lip 500, a corner outer upper lip 600, an inverted U-shaped groove 700 and a lower side U-shaped groove 800, the material is Ethylene Propylene Diene Monomer (EPDM), shore a 75 ° is Shore hardness, the appearance of the C-pillar corner 200 needs to be additionally sprayed, in order to increase the wear resistance of the corner, the sprayed material is WT-91-023S of stahl, which can provide excellent wear resistance and noise reduction, the process of the C-pillar corner 200 is injection molding, the corner and the body 100 are connected together by an injection molding process, as shown in fig. 3, 4, 5, 6 and 7, the shape of the corner upper lip 500 is consistent with the shapes of the upper lip and the outer sealing lip of the body 100, the corner upper lip 500 is in interference fit with the side wall C-pillar sealing strip 900 and the side wall C-pillar trim 1000, so that the elastic deformation of the lips can be utilized when the door is opened and closed, the C-pillar corner joint 200 has a buffering effect on a vehicle door, the shape of the upper lip edge 600 on the outer side of the corner joint is consistent with that of the upper lip edge of the body 100, the upper lip edge 600 on the outer side of the corner joint extends to the end part of a sheet metal 1001 outside the vehicle door and keeps the same interference with the edge covering of the sheet metal 1001 outside the vehicle door, a reinforcing rib is arranged inside the inverted U-shaped groove 700 and used for improving the strength of the C-pillar corner joint 200, the bottom of the front end of the inverted U-shaped groove 700 is in contact with a bracket installing seam allowance, a space is provided at the rear end of the inverted U-shaped groove 700, an internal water cutting and connecting angle 1003 is inserted into the inverted U-shaped groove 700, the internal water cutting and connecting angle 1003 extends into the inverted U-shaped groove 700, the appearance is more attractive, no obvious step difference exists, the C-pillar corner joint 200 comprises a lower side U800, the lower side U-shaped groove 800 is clamped on the inner plate seam allowance 1004 of the vehicle door, and the purpose of pre-positioning and fixing the C-pillar corner joint 200 when the C-pillar corner joint 200 is installed, the C column connection angle 200 is clamped with a spigot 1004 of an inner plate of a vehicle door through a lower side U-shaped groove 800 during installation, the C column connection angle 200 is fixed on a window frame reinforcing plate 1002 through a double-sided adhesive tape 300 after pre-positioning, the connection angle is fixed, and finally an inner water cutting connection angle 1003 is inserted into an inverted U-shaped groove 700 of the C column connection angle 200, so that the problem that the connection angle cannot be fixed due to the fact that an installation support 400 cannot extend to the end is solved, the butt joint position of the C column connection angle 200 and a body 100 is located at a glass section, and the glass edge at the butt joint position is 3-10mm.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the described embodiments may be made by those skilled in the art without departing from the scope and spirit of the invention as defined by the accompanying claims.

Claims

1. The end sealing structure of the outer sealing strip of the frameless vehicle door is characterized by comprising a body, a C column connecting angle and a double-sided adhesive tape, wherein one end of the body is integrally connected with the C column connecting angle, the C column connecting angle is provided with the double-sided adhesive tape, the C column connecting angle is in clamping connection with a rabbet of a vehicle door inner plate for prepositioning, and the C column connecting angle is fixed on a window frame reinforcing plate through the double-sided adhesive tape after the prepositioning.

2. The end seal structure of the weatherstrip for a frameless vehicle door of claim 1, wherein the C-pillar fillet includes a fillet upper lip, the shape of which is consistent with the shape of the upper lip and the outer sealing lip of the body, and the fillet upper lip is in interference fit with the sidewall C-pillar weatherstrip and the sidewall C-pillar trim.

3. The end seal structure of the outer seal strip of the frameless vehicle door as defined in claim 2, wherein the C-pillar corner connector includes an outer corner upper lip, the shape of which is consistent with that of the upper lip of the body, and the outer corner upper lip extends to the end of the outer sheet metal of the vehicle door and maintains the same interference with the hemming of the outer sheet metal of the vehicle door.

4. The sealing structure for the end of the sealing strip outside the window of the frameless vehicle door as defined in claim 3, wherein the C-pillar joint angle comprises an inverted U-shaped groove, a reinforcing rib is arranged inside the inverted U-shaped groove, the bottom of the front end of the inverted U-shaped groove is in contact with the spigot of the mounting bracket, a space is provided at the rear end of the inverted U-shaped groove, and the internal water cut joint angle is inserted into the inverted U-shaped groove.

5. The window outer seal end seal structure for a frameless vehicle door according to claim 4, wherein the C-pillar corner includes a lower U-shaped groove, and the lower U-shaped groove is snapped onto a door inner panel seam allowance.

6. The end sealing structure of the outer sealing strip of the frameless vehicle door of claim 1, wherein the joint position of the C pillar and the body is located at the glass section, and the glass edge of the joint position is 3-10mm.

7. The sealing structure for the end of the outer sealing strip of the frameless vehicle door as defined in claim 1, wherein a C-pillar corner is integrally connected to one end of the body by injection molding, and the body is curved and formed by stretch bending.