JPH0218772Y2 - - Google Patents

Description

[Detailed Description of the Invention] This invention relates to an improvement in a weather strip that is attached to an opening or a non-opening side edge of an opening/closing part of a vehicle.

Here, taking a car as an example, the opening side edge refers to the opening side edge of the vehicle body side door, rear gate, luggage compartment, etc., and the non-opening side edge refers to the opening side edge of the door, trunk lid, rear gate, etc. It refers to doors etc.

Conventionally, a fastening part attached to the opening/closing part of this type of vehicle,
The weather strip, which consists of a hollow seal lip protruding from the weather strip, deteriorates over time due to repeated impact and pressure application. Furthermore, the hollow seal lip portion deforms and deteriorates in elasticity more quickly than others, resulting in a lack of air and water tightness.

This invention was developed in view of the above-mentioned drawbacks, and its purpose is to provide a weather strip that can maintain air and water tightness for a long period of time.

The gist of this invention is that in a weather strip consisting of a fastening part attached to the opening/closing part of a vehicle and a hollow seal lip part protruding from the fastening part, a wire rod for maintaining the shape of the seal lip part is buried inside the wall of the hollow seal lip part. It is characterized by

Hereinafter, embodiments of this invention will be described in detail with reference to the illustrative diagrams of FIGS. 1 to 7.

Fig. 1 is a perspective view of an embodiment of this invention, Fig. 2 is a sectional view of Fig. 1, Fig. 3 is a side view of a car equipped with the weather strip of this invention, and Fig. 4 is a third
Figure 5 is an enlarged cross-sectional view of the circle line and is an explanatory diagram of the action.
Figures 6 and 7 are perspective views and sectional views of other embodiments of this invention.

1 in the figure is a weather strip made of elastic, flexible rubber, or synthetic resin of this invention.
From the fastening part 1a attached to either the opening side edge (not shown) or the non-opening side edge (the figure shows the fastening periphery of the door) 3a of the opening/closing part 3 of No. 2, and the hollow seal lip part 1b protruding from this. Inside the wall of the lip part 1b, a wire rod (with a cross-sectional diameter of 0.2 to 0.5
mm) 5 is buried straight. The wire 5 may be a metal wire, hard rubber, synthetic resin elastic wire, fiber string, etc., and is preferably made of a material that is highly impact resistant, pressable, and the like.

In the embodiments shown in FIGS. 1, 6, and 7, a plurality of straight wire rods 5 are buried at required intervals, and in the example shown in FIG. It is connected to.

In the embodiment shown in FIG. 5, a wire rod 5 is embedded in a spiral shape inside the wall of the hollow seal lip portion 1b, and the spiral portions 5a are further connected by a string 6 (in some cases, they are not connected). The weather strip in Figure 7 is
It is attached to the opening side edge of the vehicle opening/closing section 3.

FIG. 4 is an explanatory diagram of the action when the door is closed, and the seal lip portion 1b repeatedly collides with the seal abutting surface edge 2a on the vehicle body side of the vehicle opening/closing portion 3, and is pressurized and elastically deformed each time. However, in addition to the repulsive elasticity of the lip portion 1b, the wire rod 5 provides repulsive elasticity, making the opening/closing portion 3 extremely airtight and watertight. And the wire rod 5 is
Not only does the repulsion impact occur, but the seal lip portion 1b
It has a shape-retaining effect and maintains good air and water tightness of the opening/closing part 3 for a long period of time.

According to this invention, it is possible to solve the problem of deterioration in sealing performance due to aging, which is a drawback of conventional weather strips, and its practical value is extremely significant.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of an embodiment of this invention, Fig. 2 is a sectional view of Fig. 1, Fig. 3 is a side view of a car equipped with the weather strip of this invention, and Fig. 4 is a third
Figure 5 is an enlarged cross-sectional view of the circle line and is an explanatory diagram of the action.
Figures 6 and 7 are perspective views and sectional views of other embodiments of this invention. 1...The weather strip of this invention, 1a...
Fastening part, 1b... hollow seal lip part, 5... wire rod, 6... string.

Claims (1)

[Claims for Utility Model Registration] (1) In a weather strip made of elastic, flexible rubber or synthetic resin, comprising a fastening part attached to an opening/closing part of a vehicle and a hollow seal lip part protruding from the fastening part, the wall of the hollow seal lip part A weather strip for a vehicle characterized by having a wire rod embedded inside the body to maintain the shape of the seal lip. (2) The weather strip for a vehicle according to claim (1), wherein a wire is embedded straight inside the wall of the hollow seal lip. (3) The weather strip for a vehicle according to claim 1, wherein a wire is embedded in a spiral shape inside the wall of the hollow seal lip. (4) A weather strip for a vehicle according to claim 2, in which the wires are connected by a flexible string. (5) A weather strip for a vehicle according to claim 3, in which spiral wires are connected by a flexible string.