CN115723539B

CN115723539B - A frameless car door window exterior sealing strip end sealing structure

Info

Publication number: CN115723539B
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: 2025-11-04
Anticipated expiration: 2042-11-10
Also published as: CN115723539A

Abstract

The invention belongs to the technical field of automobile decorative strips, and provides a sealing structure of an end part of a sealing strip outside a window of a frameless automobile door, which comprises a body, a C-pillar joint angle and a double-sided adhesive tape, wherein one end of the body is integrally connected with the C-pillar joint angle, the C column joint angle is provided with a double-sided adhesive tape, the C column joint angle and the seam allowance of the inner plate of the vehicle door are clamped and pre-positioned, and the C column joint angle is fixed on the window frame reinforcing plate through the double-sided adhesive tape after the pre-positioning. The invention has the advantages of simple structure, convenient installation, good sealing effect and attractive appearance, can avoid the roof of the outer plate of the vehicle door and the side wall C column decorative plate, and improves the shock resistance of the opening and closing door.

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 an end sealing structure of a window external sealing strip of a frameless automobile door.

Background

At present, the bending radius of the sealing strip outside the door and window in the automobile industry is generally larger than R300, and the sealing strip is limited by a conventional stretch bending process, so that the bending radius is too small, and the problems of product appearance necking and whitening, narrowing of a section opening and the like can occur. However, with the development of the automotive industry, it is becoming more and more urgent to meet the personalized demands of users, and the conventional stretch bending process cannot meet the smaller and smaller bending radius of the vehicle door model, so that it is urgently required to design a window external 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 demands of customers on the vehicle body model.

Disclosure of Invention

The invention aims at solving the technical problem of the prior art, and provides the sealing structure of the end part of the sealing strip outside the window of the frameless vehicle door, which has the advantages of simple structure, convenient installation, good sealing effect and attractive appearance.

The technical scheme includes that the sealing structure for the end part of the sealing strip outside the window of the frameless vehicle door is characterized by comprising a body, a C-pillar joint angle and a double-sided adhesive tape, wherein one end of the body is integrally connected with the C-pillar joint angle, the C-pillar joint angle is provided with the double-sided adhesive tape, the C-pillar joint angle and a spigot of an inner plate of the vehicle door are clamped and pre-positioned, and the C-pillar joint angle is fixed on a reinforcing plate of a window frame through the double-sided adhesive tape after the pre-positioning.

In the sealing structure of the end part of the sealing strip outside the window of the frameless vehicle door, the C column joint angle comprises an upper joint angle lip, the shape of the upper joint angle lip is consistent with that of the upper lip of the body, and the upper joint angle lip is in interference fit with the C column sealing strip and the C column decorative plate.

In the sealing structure of the end part of the sealing strip outside the window of the frameless vehicle door, the C column joint angle comprises an upper lip edge outside the joint angle, the shape of the upper lip edge outside the joint angle is consistent with that of the outer sealing lip edge of the body, and the upper lip edge outside the joint angle extends to the end part of the sheet metal outside the vehicle door and maintains the same interference with the edge wrapping of the sheet metal outside the vehicle door.

In the sealing structure of the end part of the sealing strip outside the window of the frameless car door, the C column joint angle comprises an inverted U-shaped groove, a reinforcing rib is arranged in the inverted U-shaped groove, the bottom of the front end of the inverted U-shaped groove is in contact with a spigot of the mounting bracket, the rear end of the inverted U-shaped groove provides a space, and the inner water cutting joint angle is inserted into the inverted U-shaped groove.

In the sealing structure of the end part of the sealing strip outside the window of the frameless car door, the C column joint angle comprises a lower U-shaped groove, and the lower U-shaped groove is clamped on the spigot of the inner plate of the car door.

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

In the sealing structure of the end part of the sealing strip outside the window of the frameless vehicle door, one end of the body is integrally injection-molded and connected with the C column joint angle, and the body is bent and formed by stretch bending.

Compared with the prior art, the invention has the advantages that the small bending radius of the vehicle door is realized by injection molding of the C-pillar joint angle at the rear end of the sealing strip at the outer side of the vehicle door, the C-pillar joint angle is adhered to the reinforcing plate of the window frame by adopting the high-viscoelasticity double-sided adhesive tape, and meanwhile, the U-shaped groove at the lower side is arranged on the C-pillar joint angle to be clamped with the spigot of the inner plate, so that the problem that the joint 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 window seal strip of the present frameless door;

FIG. 2 is an enlarged view of the C-pillar joint angle end of the exterior seal strip of the present frameless door;

FIG. 3 is a mating section A-A of the body with glass and sheet metal;

FIG. 4 is a mating section B-B of the C-pillar joint with glass and sheet metal;

FIG. 5 is a mating cross section C-C of the lower U-shaped groove of the C-pillar joint with the inner panel spigot;

FIG. 6 is a mating section D-D of the C-pillar joint with the opponent;

fig. 7 is a mating section E-E of the C-pillar corner end with the interior water cut corner.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "center," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.

In the figure, a body 100, a C-pillar joint 200, a double-sided tape 300, a mounting bracket 400, a joint upper lip 500, a joint outer upper lip 600, an inverted U-shaped groove 700, a lower U-shaped groove 800, a side wall C-pillar seal 900, a side wall C-pillar trim 1000, a door outer panel 1001, a window frame reinforcing plate 1002, an inner water cut joint 1003, and a door inner panel spigot 1004.

As shown in fig. 1 and 2, the sealing structure for the end of the sealing strip outside the window of the frameless vehicle door comprises a body 100, a C-pillar joint angle 200 and a double-sided adhesive 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 adhesive tape 300, the C-pillar joint angle 200 is clamped with a vehicle door inner panel seam allowance 1004 for a preset position, the C-pillar joint angle 200 is fixed on a window frame reinforcing plate 1002 through the double-sided adhesive tape 300 after the preset position, 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 sheet metal 1001, the body 100 is in a bending shape and is formed by stretch bending, the first stretch bending process of the vehicle door is realized, the double-sided adhesive tape 300 is used for fixing the C-pillar joint angle 200 on the window frame reinforcing plate 1002, the double-sided adhesive tape 300 can realize continuous connection, and has excellent viscoelasticity performance, can absorb dynamic and static shearing forces to the greatest extent during selection, compensates the influence caused by expansion of different parts, and has excellent impact resistance, high reliability, good sealing performance and heat radiation resistance and high cold shrinkage resistance.

Specifically, the C-pillar joint angle 200 mainly comprises an upper joint angle lip 500, an upper joint angle outer side lip 600, a reverse U-shaped groove 700 and a lower U-shaped groove 800, the material is Ethylene Propylene Diene Monomer (EPDM), shore A75 DEG is required to be sprayed, the sprayed material is selected from WT-91-023S of Staer company for increasing the wear resistance of the joint angle, the material can provide excellent wear resistance and noise reduction, the process of the C-pillar joint angle 200 is injection molding, the joint angle and the body 100 are connected together through the injection molding process, the shape of the upper joint angle lip 500 is consistent with that of the upper joint angle lip of the body 100, the upper joint angle lip 500 is in interference fit with the C-pillar sealing strip 900 and the side wall C-pillar trim 1000 when the door is opened and closed, the elastic deformation of the lip can be utilized to buffer the door, the C-pillar joint angle 200 comprises an upper joint angle outer side lip 600, the shape of the upper joint angle outer side lip 600 is consistent with the shape of an outer side sealing lip of the body 100, the upper joint angle outer side lip 600 extends to the end part of a door outer sheet metal 1001 and maintains the same interference with the edge wrapping of the door outer sheet metal 1001, a reinforcing rib is arranged in the inverted U-shaped groove 700 and used for improving the strength of the C-pillar joint angle 200, the bottom of the front end of the inverted U-shaped groove 700 is contacted with a bracket-mounting spigot, the rear end of the inverted U-shaped groove 700 provides a space, an inner water cut joint angle 1003 is inserted into the inverted U-shaped groove 700, the inner water cut joint angle 1003 extends into the inverted U-shaped groove 700, the appearance is more attractive, no obvious step difference exists, the C-pillar joint angle 200 comprises a lower U-shaped groove 800, the lower U-shaped groove 800 is clamped onto the inner plate spigot 1004, the purpose is to pre-position and fix the C-pillar joint angle 200 when the C-pillar joint angle 200 is installed, during installation, the C column joint angle 200 is clamped with the seam allowance 1004 of the inner plate of the vehicle door through the U-shaped groove 800 at the lower side, the C column joint angle 200 is fixed onto the reinforced plate 1002 of the window frame through the double-sided adhesive tape 300 after the preset position is adopted, the joint angle is fixed, finally the internal water cut joint angle 1003 is inserted into the inverted U-shaped groove 700 of the C column joint angle 200, the problem that the joint angle cannot be fixed because the mounting bracket 400 cannot extend to the end part is solved, the butt joint position of the C column joint angle 200 and the body 100 is positioned at the glass section, and the glass edge at the butt joint position is 3-10mm, the purposes are that lips at two sides are contacted with glass and have the same interference amount, the lips at the two sides are stressed uniformly, and the tear of the butt joint seam caused by unbalanced stress at the two sides is avoided.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a frameless door's window external seal strip end seal structure, its characterized in that, including body, C post connect angle and double faced adhesive tape, the one end body an organic whole connect C post and connect the angle, C post connect the angle and have double faced adhesive tape, C post connect angle and door inner panel tang looks joint predeposition, and rethread double faced adhesive tape is fixed C post and is connected the angle to the window frame reinforcing plate after predeposition.

2. The seal structure of the end of the seal strip of the outside window of a frameless vehicle door according to claim 1, wherein the C-pillar corner comprises a corner upper lip, the shape of the corner upper lip is consistent with the shape of the upper lip of the body, and the corner upper lip is in interference fit with the C-pillar seal strip of the side wall and the trim panel of the C-pillar.

3. The seal structure of the end of the sealing strip outside the window of a frameless vehicle door according to claim 2, wherein the C-pillar joint comprises a joint outer upper lip, the shape of the joint outer upper lip is consistent with that of the outer sealing lip of the body, and the joint outer upper lip extends to the end of the panel outside the vehicle door and maintains the same interference with the panel edge outside the vehicle door.

4. The sealing structure for the end of the sealing strip outside the window of the frameless car door according to claim 3, wherein the C column joint angle comprises an inverted U-shaped groove, a reinforcing rib is arranged in the inverted U-shaped groove, 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.

5. The seal structure of the end portion of the weather strip outside the door of the frameless car as claimed in claim 4, wherein said C-pillar joint comprises a lower U-shaped groove which is engaged with the inner panel seam allowance of the door.

6. The sealing structure of the end of the sealing strip outside the window of the frameless car door according to claim 1, wherein the butt joint position of the C column joint angle and the body is positioned at the glass section, and the butt joint position is 3-10mm away from the glass edge.

7. The sealing structure for the end of the sealing strip outside the window of the frameless car door according to claim 1, wherein one end of the body is integrally injection-molded and connected with a C-pillar joint angle, and the body is bent and formed by stretch bending.