JPH0717553Y2 - Vehicle gate weather strip structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a gate door weather strip structure for a vehicle.

(Prior Art) Conventionally, a lift gate 3 and a drop gate 4 that vertically open a gate opening 2 of a vehicle, for example, a van type vehicle 1, are mounted via a hinge 5 so that the opening 2 can be opened and closed. The back door weather strip 6 is attached to the entire circumference of the opening 2 to ensure the watertightness and airtightness between the upper and lower gates 3 and 4 and the upper and lower gates 3 and 4.
The lift gate weather strip 7 is attached along the summing piece 3a of the lift gate 3 in order to ensure the sealing property of the distance t between the summing portion G and the summing pieces 3a, 4a.
Both end sides of the weather strip 7 are provided so as to abut and seal the connecting flange portion 8 of the drop gate 4 and the back door weather strip 6.

(Problems to be Solved) However, when the gate opening 2 is closed by the lift gate 3 and the drop gate 4, the inner panel of the drop gate 4 is provided at both ends of the assembling portion G.
Since the joint flange portion 8 formed by the outer panel 4A and the outer panel 4B and having a predetermined panel thickness is brought into contact with the back door weather strip 6, the follow-up of the lift gate weather strip 7 at the mutual step portion H. It is difficult to get close contact,
There is a problem that binhole 9 occurs between the three parties,
Lift gate Weather strip 7 Drop gate 4 side
Even if a step portion is provided in consideration of the panel thickness of the coupling flange portion 8, it is difficult to prevent the pinhole 9 from being generated due to an error in assembling the upper and lower gates 3 and 4, and the pinhole 9 seals. There was a problem that it became defective and a problem such as rainwater, dust, etc. intruded.

The present invention has been made to solve the above-mentioned conventional problems, and an object thereof is to provide a gate door weather strip structure for a vehicle, which can prevent a pinhole from being generated at a stepped portion by a coupling flange portion. To do.

(Means for Solving the Problems) In order to solve the above technical problems, the present invention provides backdoor weather strips around the gate opening of a vehicle and opens and closes the opening by a lift gate and a drop gate. In a vehicle, a contact flange that abuts on both ends of a lift gate weather strip interposed in the summing portions of both gates and a coupling flange portion formed on the tip side of the summing portion of the drop gate and a back door weather strip. Forming a summed end seal portion having a surface, and bending a substantially triangular plate-like piece in the substantially central portion of this contact surface,
The bent ridge portion is provided obliquely downward to the contact surface, and the ridge portion and the left and right front edges provide a lip piece having a substantially equilateral triangular side surface with the contact surface as the base. The gate door weather strip for vehicles has a structure in which, when the gate is closed, the tip of the ridge of the lip piece is directed to the step between the back door weather strip and the coupling flange.

(Operation) With the above configuration, when the lift gate is closed, the tip of the ridge line portion of the lip piece acts like a filling on the step between the back door weather strip and the coupling flange portion.

(Embodiment) Next, an embodiment of the present invention will be described with reference to the drawings. The back door weather strip 6 attached along the gate opening 2 is a well-known one, and its cross-sectional shape is substantially cylindrical. Sealing part 6a and mounting part with U-shaped cross section
6b and 6b are integrally formed, and are attached via a mounting portion 6b along a flange portion 2a provided on the four circumferences of the gate opening 2.

3A is an inner panel of the lift gate 3, and the assembling piece 3a of this inner panel 3A is a horizontal piece 3c as shown in FIG.
A mounting piece 3b having a substantially hook shape in cross section is formed over a predetermined range and includes vertical pieces 3d, and the left and right end portions of the mounting piece 3b are located downward from the upper position of the mounting piece 3b toward the corner of the mounting piece 3b. An inclined mounting slope 3e is formed with a predetermined width corresponding to the back door weather strip 6, and a lift gate weather strip 11 is mounted on the mounting piece 3b and the left and right mounting slopes 3e.

This lift gate weather strip 11 is a combination seal part
12 and assembly end seals 17 are formed on both ends thereof. The summarizing seal portion 12 seals a predetermined range with the summarizing piece 4a of the drop gate 4, and its cross-sectional shape is a tongue-shaped seal portion 13 having a generally known hollow portion 14 and a substantially elliptical cross-section. The seal piece 15 and the mounting piece 16 are integrally formed.
It is fixed to the lower surface of the horizontal piece 3c of the mounting piece 3b via an adhesive agent or the like. At both ends of the thus-formed summing seal portion 12, summing end seal portions 17 are formed.

This summing end seal portion 17 is a mounting surface along the mounting inclined surface 3e.
18, the rear surface 19 along the vertical piece 3d of the mounting piece 3b, and the left and right side surfaces 20.
And the contact surface provided on the same surface as the surface of the inner panel 3A
21 and the bottom surface 22 are formed in a block shape, and the contact surface 21 is formed to have a size h ₁ that enables contact between the bad weather strip 6 and the coupling flange portion 8 as shown in the drawing. The width of the contact surface 21 is formed to be a width h ₂ which is slightly wider than the elastic deformation width h ₃ of the seal portion 6a of the back door weather strip 6, and the lip piece 22 is formed in a protruding shape at a substantially central portion of the contact surface 21. Has been formed.

The lip piece 22 is formed by bending a substantially triangular plate-like piece into a substantially U shape, and the bent ridge line portion 23 is provided obliquely downward from the contact surface 21 at a predetermined angle, and The side faces of the left and right front edges 24, 25 and the ridge line portion 23 are formed in a substantially isosceles triangular shape having the contact surface 21 side as a base. When the lift gate weather strip 11 thus formed is attached to the lift gate 3 and approaches the position where the gate opening 2 is closed, the lip piece 22 formed on the assembly end seal portion 17
As shown in FIG. 3, the front end portion 26 formed by the ridge line portion 23 and the front edges 24, 25 has a step portion H between the back gate weather strip 6 and the connecting flange portion 8 of the drop gate 4 which is in contact therewith.
It is oriented towards parts.

Now, since the present embodiment is configured as described above, first, the drop gate 4 is rotated to rotate the gate opening 2
When the back door weather strip 6 is closed, the lower part and the left and right sides thereof are brought into close contact with the back door weather strip 6, and on the left and right sides, the back door weather strip 6 is elastically deformed as shown in FIG. It is closed with the step H. Next, the lift gate 3 is rotated to rotate the opening 2
When is closed, the tip ends 26 of the lip pieces 22 formed on the left and right as shown in FIG. When it is further closed from this state, the tip portion 26 is an elastically deformed portion of the seal portion 6a of the back door weather strip 6.
The ridge line portion 23 is elastically deformed while being brought into contact with H _a, and the front edges 24 and 25 of the lip piece 22 are brought into contact with the upper end of the connecting flange portion 8 of the drop gate 4 in the drawing and the surface on the assembly side. Elastically deforming, the contact surface 21 of the seal portion 17 is in close contact with the back door weather strip 6 and the coupling flange portion 8 while the lift gate 3 is closed, and the ridge line portion of the lip piece 22 is contacted. As shown in FIG. 4, the tip portion 26 side of 23 is elastically deformed in a biting manner between the back door weather strip 6 and the upper end of the coupling flange portion 8, and its ridge line portion 23 is also in close contact with the seal portion 6a. Further, the front edges 24 and 25 are closely attached along the joint flange portion 8, and the seal portion 13 of the assembling seal portion 12 is also attached to the drop gate 4.
The fitting portion G of both gates 3 and 4 which is closely attached to the summing piece 4a of the gate 3 is provided between the back door weather strip 6 and the connecting flange portion 8 of the drop gate 4 and the lift gate weather strip 21 at both ends thereof. It is sealed without producing the pinhole 9.

(Effects of the Invention) Since the present invention is provided with the summing end seal portions having the lip pieces at both ends of the lift gate weather strip as described above, it has been generated at both ends of the summing portion G in the related art. The lip hole elastically seals the pinhole portion to prevent it from entering rainwater, dust, etc. to improve the sealing performance. When it occurs, the sealing property can be secured within the range of the elastic filling function of the lip piece.

[Brief description of drawings]

The drawings show an embodiment of the present invention. FIG. 1 is a front view of a rear side of a vehicle, FIG. 2 is a perspective view of one end of a lift gate weather strip, and FIG. 3 is a view just before closing of a lift gate. A side view of the lift gate weather strip end side is shown, FIG. 4 is a side view in the same closed state, and FIGS. 5 to 7 are conventional examples. 1 …… Van type car 2 …… Gate opening 3 …… Lift gate 4 …… Drop gate 6 …… Backdoor weather strip 8 …… Coupling flange 11 …… Lift gate weather strip 17 …… Assembly end Part Seal part 21 …… Abutting surface 22 …… Lip piece 23 …… Ridge line part 24,25 …… Front edge 26 …… Tip part G …… Assembly part H …… Step part

Claims (1)

[Scope of utility model registration request] 1. A vehicle in which a back door weather strip is attached to the four circumferences of a gate opening of a vehicle to open and close the opening by means of a lift gate and a drop gate, and the lift gate is interposed in the assembling portions of the both gates. At both ends of the weather strip, a joining flange portion formed on the tip end side of the summing portion of the drop gate and a summing end seal portion having a contact surface for closely contacting over the back door weather strip are formed, and at the same time, A substantially triangular plate-shaped piece is bent at the approximate center of the contact surface, and the bent ridge line portion is provided in a downwardly inclined shape with respect to the contact surface, and the ridge line portion and the left and right front edges contact each other. Provided is a lip piece having a side face having a base shape of a substantially equilateral triangular shape, and when the lift gate is closed, the tip of the ridge line portion of the lip piece forms the back door weather strip and the connecting flange portion. Configuration and the gate door weather strip structure for a vehicle which directed the step portion.