JP2001039167A - Sealing device of movable window - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a seal device of a movable window which can ensure the sealability in a closing operation, prevent damages of a window plate attributable to the elevating/lowering operation to open/close the window plate, simplify the structure, and effectively reduce the cost. SOLUTION: In a door for automobile, a hollow part 14 is provided on a molding body 12 of a door belt molding 11 mounted along an upper end part of an outer door panel 2, and a pressure bearing part 14a and a seal part 14b are provided on the side opposite to a window plate 5 of the hollow part 14. On the other hand, a projecting bar 6 is provided on a lower part of an outer surface of the window plate 5. When the window plate 5 is elevated/lowered, the seal part 14b is kept at the seal releasing position on the surface of the window plate 5 in a non-contact manner or a slightly contact manner. When the window plate 5 is closed, the pressure bearing part 14a is pressed by the projecting bar 6, and the seal part 14b is displaced to the seal position to press the pressure bearing part against the outer surface of the window plate 5 for sealing.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealing device used for, for example, a movable window of an automobile, and more particularly to a sealing device suitable for preventing a window glass from being damaged.

[0002]

2. Description of the Related Art Conventionally, as a sealing device used for a door window of an automobile, a position where a seal lip of a door belt molding contacts and seals a window glass, and
There has been proposed a sealing device capable of moving away from a window glass to a position where the seal is released. Such a seal lip variable type sealing device is described in, for example, Japanese Patent Application Laid-Open No. 4-283122. In the sealing device described in the publication, when the window glass is in the closed position, the seal lip contacts the window glass and seals, but when moving up and down for opening and closing the window glass, the seal lip separates from the window glass and releases the seal. Instead, a wiping lip (wiper) provided below the seal lip contacts the window glass to wipe off rainwater.

[0003] In the seal device described in the publication, in order to achieve a mechanism for changing the position of the seal lip and the wiping lip, as one method, a hollow chamber is set in a molding body provided with the seal lip and the wiping lip. The position of the seal lip and the wiping lip is switched by controlling the pressure in the hollow chamber by a vacuum pump. As another method, a metal plate cam is attached to a glass frame supporting a lower end portion of the window glass, and when the window glass is raised and closed, the lower end portion of the molding body is pressed by the plate cam. A configuration is employed in which the position of the seal lip and the position of the wiping lip are switched by raising the position.

[0004]

In the case where a window made of resin is used in place of glass in a door window, the window hardness of resin is lower than that of glass. In the structure in which the seal lip of the door belt molding comes into contact, there is a problem that the window plate is damaged by dust or the like that has entered the gap between the window plate and the seal lip during opening and closing for opening and closing. According to the sealing device described in the publication, such a problem can be solved to some extent. That is, the wiping lip contacts when opening and closing, but since the wiping lip is located below the seal lip, that is, is housed inside the door, there is a low possibility that dust enters the gap. However,
Since it is configured to slide in contact with the surface of the window plate, the possibility of damage cannot be avoided, and a separate component must be provided as means for separating the seal lip from the window plate. However, there is a problem that the cost increases and the cost increases.

The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to secure a sealing property at the time of closing and to open and close a window caused by opening and closing operations of a window plate. It is an object of the present invention to provide a movable window sealing device which can prevent a plate from being damaged, has a simple structure, and is effective in reducing costs.

In order to achieve the above object, a window seal device according to the present invention has a configuration as described in each of the claims. Therefore, according to the first to third aspects of the present invention, at the time of the opening and closing operation of the window plate, the ridges are separated from the window molding, so that the seal portion of the window molding is displaced to the seal release position and does not contact the window panel surface. It is held in a state or a state of light contact. Therefore, the window plate is not rubbed by the dust or the like accumulated between the window plate and the seal portion, and scratches are avoided. On the other hand, in the closed state of the window plate, the ridge contacts the window molding and presses it. For this reason, the sealing part of the window molding is displaced to the sealing position and pressed against the surface of the window plate, so that the desired sealing property is secured. That is, according to the first to third aspects of the present invention, the ridge is integrally formed on the window plate, and the seal portion can be displaced between the seal position and the seal release position depending on whether or not the window molding is pressed by the ridge. Despite its extremely simple structure, it is possible to secure the sealing performance in the closed state and to prevent damage due to the elevation of the window plate, which is effective in reducing costs Becomes

According to the fourth aspect of the present invention, at the time of the opening and closing operation of the window plate, the ridge is separated from the seal portion of the window molding, so that the window plate can be prevented from being damaged by dust and the like. On the other hand, in the closed state of the window plate, the ridge presses against the sealing portion to seal. That is, in the case of the invention of claim 4 as well,
The same function and effect as those of the third aspect can be obtained. Also,
When a resin plate material is used as the window plate as in the invention of claim 5, it is possible to solve the problem of being easily damaged as compared with glass, and to utilize the advantages of light weight and excellent moldability.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a longitudinal sectional view showing a sealing device for a door window which is a movable window according to the first embodiment, and FIG. 2 is an explanatory view showing an operation mode thereof in an enlarged manner. The door 1 for a vehicle includes a door body 4 having a bag structure in which an outer door panel 2 and an inner door panel 3 are mainly integrated by hemming, and a window frame (not shown) attached to an upper portion of the door body 4. And In the internal space of the door body 4, a window plate 5 for opening and closing a window opening formed by the door body 4 and the window frame, and a window regulator for moving the window plate 5 up and down. (Not shown) and front and rear guide rails (not shown) having a substantially U-shaped cross section for guiding the raising and lowering operation of the window plate 5 are accommodated.

An opening facing the upper end of the outer door panel 2 and the inner door panel 3 forming the entrance of the window plate 5 has an inside window molding 7 for sealing the inside of the window plate 5 going up and down through the opening, and the outside of the vehicle. A door belt molding 11 for sealing is provided.
The inside molding 7 is attached along the upper edge of the inner door panel 3, and the door belt molding 11 is attached along the upper edge of the outer door panel 2. The inner door panel 3 is covered with a decorative door trim 8 as shown in FIG.

Next, a description will be given of a sealing device for sealing the window plate 5 to the outside of the vehicle to which the present invention is applied. The window plate 5 is formed of a transparent plate material made of resin, and has a substantially trapezoidal ridge 6 for sealing extending in the horizontal direction over the entire width of the lower portion of the vehicle exterior surface. . On the other hand, door belt molding 11 (hereinafter, referred to as door belt molding 11)
The window molding is made of rubber which can be elastically deformed, and has a molding body 12 formed in a hollow shape as shown in FIG. The molding body 12 is provided on the opposite side of the mounting lip portion 13, which has an inverted U-shaped cross section, which is mounted to cover the upper end edge of the outer door panel 2 from above and the window plate 5 of the mounting lip portion 13. And a hollow portion 14 having a substantially rectangular cross section.

The hollow portion 14 of the molding body 12 is
When the window plate 5 is closed, the lower side is pressurized by the ridges 6 so that the upper side falls down and is pressed against the window plate 5. That is, the pressure receiving portion 14 a is formed below the hollow portion 14 on the side facing the window plate 5,
A seal portion 14b is formed on the upper side. Pressure receiving part 14a
In the free state, it faces the outer surface of the window plate 5 on an inclined surface with an appropriate gap. On the other hand, in the free state, the position facing the outer surface of the window plate 5 in a non-contact state or a light contact state is set as a seal release position. When pressed, it is displaced to a sealing position where it is strongly pressed against the window plate 5 with the deformation of the hollow portion 14.

The pressure receiving portion 14a and the seal portion 14b
Are connected to each other and to the mounting lip portion 13 by a plurality of cutout portions (thin portions) 14c. The cutout portion 14c is a bent portion and the sealing portion 14b is pressed when the pressure receiving portion 14a is pressed. Falling into the window plate 5 side is facilitated. In addition, flocking 15 is applied to a surface of the seal portion 14 b facing the window plate 5, so that flexibility at the time of contact with the window plate 5 is secured.

The movable window sealing device according to the present embodiment is configured as described above. Therefore,
At the time of ascent and descent for opening and closing the window plate 5, as shown in FIG. 2A, the ridge 6 of the window plate 5 is below and separated from the molding body 14 of the window molding 11. For this reason, the molding body 14 is in a free state free from the influence of the ridge 6, and in this free state, the seal portion 14b is held at the seal release position. Therefore, when the window plate 5 is moved up and down, the sealing portion 14
The problem that b does not rub against the surface of the window plate 5 and the window plate 5 is damaged by dust or the like that has entered between the sliding surfaces is solved.

On the other hand, in the closed state in which the window plate 5 is completely lifted, as shown in FIG.
The pressure is applied to the pressure receiving portion 14a, which is the lower inclined side surface of the second member 2. This pressurization causes the molding body 12 to move its hollow portion 1
The elastic portion 4 is elastically deformed so as to be crushed starting from the cutout portion 14c, and the seal portion 14b is displaced to the sealing position, and is pressed against the surface of the window plate 5 to seal. When the pressing force by the ridge 6 is released, that is, when the window plate 5 is moved up and down, the restoring force of the hollow portion 14 and the pressure receiving portion 14a and the sealing portion 1 are used.
4b is returned to the initial free state shown in FIG.

As described above, according to the present embodiment, the ridge 6 is integrally provided on the window plate 5 and the hollow portion 14 of the window molding 11 is pressed or released by the ridge 6.
Although it is an extremely simple structure in which the seal portion 14b can be displaced between a seal position and a seal release position,
It is possible to secure the sealing performance in the closed state and to prevent damage due to the elevation of the window plate 5, which is extremely effective in reducing costs. In addition, the above-mentioned ridge 6
Is required height (width in the vehicle width direction) as compared with the sealing element control means described in Japanese Patent Application Laid-Open No. 04-283122.
The door body 4 during the opening and closing operation can be suppressed.
It is possible to reduce the required space inside, and it is advantageous in terms of strength when integrally formed with the window plate 5 with resin.

Next, a second embodiment of the present invention will be described with reference to FIG. In this embodiment, the molding body 22 of the window molding 21 is attached to the outer door panel 2.
Mounting lip 23 fitted to the
3 having a lower end extending toward the window plate 5
And a seal lip 25 formed by extending the upper end of the mounting lip 23 toward the window plate 5. The mounting lip portion 23 has engagement lips 23a, 23b above and below the inner surface of the fitting to the outer door panel 2, and is fitted by sandwiching the engaging lips 23a, 23b on the upper end of the outer door panel 2 from both inside and outside. Have been combined. Then, as shown in FIG. 3A, the ridge 6 of the window plate 5 is separated from the pressure receiving portion 24 by the window plate 5.
During the vertical movement, the pressure receiving portion 24 and the seal lip portion 25 both face the outer surface of the window plate 5 in a non-contact state with a slight gap therebetween, and this position is held as a seal release position. When the pressure receiving portion 24 is pressed by the ridge 6 of the window plate 5, the seal lip portion 25 is rotated in a seesaw manner around the upper engagement lip 23 a as a fulcrum, so that the seal lip portion 25 is attached to the window plate 5. It is configured to be pressed. In addition,
The fact that the ridge 6 is provided integrally below the outer surface of the window plate 5 is the same as in the first embodiment.

Therefore, according to the second embodiment, when the window plate 5 is closed, as shown in FIG. When pressed by the ridge 6, the molding body 22 is rotated to the sealing position with the upper engaging lip 23a as a fulcrum, and the sealing lip 25
Is pressed against the window plate 5 and sealed. At this time, the lower engagement lip 23b on the side of the window plate 5 is pressed and elastically deformed as shown in the figure. On the other hand, when the window plate 5 moves up and down,
With the separation of the ridge 6 from 4, the molding body 22
As shown in FIG. 3B, the lower portion of the engaging lip 23b is reversibly turned to the seal releasing position by the elastic return force of the lower engaging lip 23b, and the seal lip portion 25 is separated from the window plate 5. Therefore, scratches at the time of raising and lowering the window plate 5 are prevented. That is, in the case of the second embodiment, as in the case of the first embodiment, it is possible to ensure the sealing performance when the window plate 5 is closed and to prevent the window plate 5 from being damaged when ascending or descending. And cost can be reduced. Further, the same is true in that a necessary space in the door body 4 can be reduced during the opening and closing operation.

Next, a third embodiment of the present invention will be described with reference to FIG. In this embodiment, upper and lower two-stage seal lip portions 33 and 34 are set on the side of the molding body 32 facing the window plate 5 in the window molding 31. The upper seal lip portion 33 is set to prevent the inside from being visible, and is configured to be in non-contact or light contact with the outer surface of the window plate 5. On the other hand, when the window plate 5 is moved up and down, the lower seal lip portion 34, as shown in FIG.
5A. When the window plate 5 is closed, as shown in FIG. 5B, a projection integrally provided below the outer surface of the window plate 5 is provided. It is configured to be sealed by being pressed by the ridge 6.

Therefore, according to the third embodiment, it is possible to secure the sealing performance when the window plate 5 is closed, while having a simple structure as in the above-described embodiment.
Prevention of damage at the time of raising and lowering the window plate 5 is achieved, and the cost can be reduced.

Next, a fourth embodiment will be described with reference to FIG. In this embodiment, the sealing lip portion 43 provided on the molding body 42 of the window molding 41 is formed in one upper stage, and when the window plate 5 is raised and lowered, as shown in FIG. When the window plate 5 is closed, it is pressed by a ridge 6 integrally provided below the outer surface of the window plate 5 as shown in FIG. It is configured to seal by being performed. Therefore, according to the fourth embodiment, the cross-sectional structure of the window molding 41 can be simplified more than the above embodiments.

In the illustrated embodiment described above, since the window plate 5 is made of a transparent plate made of resin, it is effective in reducing the weight of the movable window, and moreover, when the window plate 5 is formed. Although it has the advantage that the ridges 6 can be formed at the same time, the present invention is not necessarily limited to resin, but may be applied to a glass window plate. The opening / closing direction of the window plate 5 is not limited to the vertical direction but may be the horizontal direction. The sliding type is effective. Furthermore, the case where the present invention is applied to an automobile door has been described, but the present invention is not limited to this and can be widely applied to industrial vehicles, construction machines, railway vehicles, ships, and the like.

[0022]

As described in detail above, according to the present invention,
While securing the sealing performance at the time of closing, it is possible to prevent the window plate from being damaged due to lifting and lowering for opening and closing the window plate,
Moreover, it is possible to provide a movable window sealing device which has a simple structure and is effective for cost reduction.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a movable window sealing device according to a first embodiment of the present invention.

FIGS. 2A and 2B are explanatory diagrams of an operation mode of the sealing device, in which FIG. 2A shows a time when the window plate is moved up and down, and FIG.

FIGS. 3A and 3B are explanatory views of an operation mode showing a sealing device according to a second embodiment, in which FIG.
Indicates when the window plate is closed.

FIGS. 4A and 4B are explanatory diagrams of an operation mode showing a sealing device according to a third embodiment, wherein FIG.
Indicates when the window plate is closed.

FIGS. 5A and 5B are explanatory views of an operation mode showing a sealing device according to a fourth embodiment, wherein FIG.
Indicates when the window plate is closed.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Automobile door 5 ... Window board 6 ... Convex stripe 11 ... Wind molding 12 ... Mold body 13 ... Mounting lip part 14 ... Hollow part 14a ... Pressure receiving part 14b ... Seal part

Claims (5)

[Claims] 1. A movable window sealing device provided with a window plate that opens and closes a window opening by a sliding operation, wherein a sealing position is pressed against the surface of the window plate for sealing, and a non-sealing position is provided on the surface of the window plate. A window molding having a seal portion that can be displaced between an opposed seal release position in a contact state or a lightly contacted state, and a ridge integrally provided on a surface of the window plate; When the window plate is closed, the sealing portion is displaced to the sealing position by being pressed by the ridge, and when the window plate is opened and closed, the pressing by the ridge is released, whereby the sealing portion is released. A movable window seal device for a vehicle configured to be restored to a seal release position. 2. The sealing device for a movable window according to claim 1, wherein the window molding is made of rubber having a hollow portion, and the hollow portion is pressed and deformed by the ridge. A movable window sealing device configured to displace the seal portion to a seal position. 3. The movable window sealing device according to claim 1, wherein the window molding is rotatable in a seesaw manner, and the one end portion is pressed by the protruding ridge to rotate, so that the window molding is turned. A movable window sealing device in which a side seal portion is displaced to a sealing position. 4. A sealing device for a movable window having a window plate for opening and closing a window opening by a sliding operation, wherein the seal releasing position opposes the surface of the window plate in a non-contact state or a light contact state. A window molding having a seal portion held in the window plate, and a ridge integrally provided on the surface of the window plate, and the ridge presses the seal portion when the window plate is closed. A movable window sealing device configured to seal. 5. The sealing device for a movable window according to claim 1, wherein said window plate is made of resin.