JP2011020612A - Glass run - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a glass run which effectively restrains looseness of a window glass. <P>SOLUTION: In the vertically extending side 6a of a glass run, both sealing parts 9 and 13 in elastically contact with a window glass 5 from both the front and back sides, are formed into fork shapes having main sealing lips 10 and 14, and sub sealing lips 11 and 15, respectively. The outer main sealing lip 10 in the outer side sealing part 9 is protruded obliquely toward an opening of a glass run body 7, and on the other hand, the inner main sealing lip 14 in the inner side sealing part 13 is protruded obliquely toward the bottom wall 7c side of the glass run body 7. Thus, the main sealing lips 10 and 14 in both sealing part 9 and 13 are overlapped with each other so that they overlap in the height direction of both side walls 7a and 7b in the glass run body 7. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a glass run that is mounted on the periphery of a window opening of a vehicle door, and more particularly to a glass run that suppresses rattling in the thickness direction of the window glass.

  As this type of glass run, for example, one described in Patent Document 1 has been proposed. The glass run described in Patent Document 1 includes a substantially channel-shaped main body, a pair of seal lips projecting from the front ends of both side walls on the vehicle outer side and the vehicle inner side of the main body, and the main body. And a sub lip extending from the side wall portion inside the vehicle toward the inside of the main body portion. When the window glass enters between the two seal lips, the sub lip comes into contact with the back surface of the bent inner seal lip so that the thickness of the window glass when the vehicle is running or when the vehicle door is opened or closed. The sub-lip and the vehicle interior seal lip cooperate to suppress the wobbling in the vertical direction.

JP 2007-296897 A

  Here, the window glass may enter the glass run at a position deviated from the predetermined reference position toward the vehicle interior side or the vehicle interior side due to variations in building. However, in the technique described in Patent Document 1, especially when the window glass is biased to the vehicle outer side than the reference position, the amount of bending of the vehicle inner seal lip is relatively small. There was a possibility that abnormal noise was generated without being in contact with the sub-seal lip and sufficiently suppressing rattling of the window glass.

  This invention is made | formed in view of such a subject, Comprising: It aims at providing the glass run which can suppress the shakiness of a window glass effectively.

  According to the first aspect of the present invention, there is provided a base portion having a substantially channel-shaped cross section that is mounted on a window frame of a vehicle door and receives an outer peripheral edge portion of a window glass that can be moved up and down, and the base from both side walls of the base portion. A glass run having a pair of seal portions projecting toward the inside of the portion and elastically contacting the window glass, wherein both the seal portions in the vertical side portion of the glass run extending in the vertical direction are on the bottom wall side of the base portion or A main seal lip extending obliquely toward the opening side, and extending obliquely from the root of the main seal lip toward the side opposite to the main seal lip, and shorter in the extending direction than the main seal lip. It is formed in a bifurcated shape consisting of a sub-seal lip, and the main seal lip is alternately formed in both the above-mentioned seal parts The Rukoto main seal lip between the said two sealing portion is characterized in that it is adapted to overlap in a free state.

  Specifically, as in the invention described in claim 2, in the glass run vertical side portion, the main seal lip in one of the seal portions extends obliquely toward the bottom wall side of the base portion. On the other hand, the main seal lip in the other seal portion of the both seal portions extends obliquely toward the opening side of the base portion, and the glass contact surfaces of the main seal lips in the both seal portions Should be close to each other in a free state.

  The free state here does not mean a state in which the base portion is not restrained by the window frame, but a glass run is attached to the window frame, and an external force is applied to both the seal portions. This means that there is no window glass, that is, no window glass has entered between the seal portions.

  That is, in the first and second aspects of the invention, since the main seal lips in the two seal portions overlap each other, the window glass is biased toward the vehicle interior side or the vehicle interior outside from a predetermined reference position. Even when it enters between the two seal portions at a certain position, the main seal lip at both the seal portions bends relatively greatly due to contact with the window glass. When the main seal lips in both the seal portions are bent and deformed in this way, the sub seal lips in both the seal portions swing in a direction to strengthen the contact with the window glass. As a result, the main seal lip and the sub seal lip in both the seal portions abut on the front and back surfaces of the window glass, respectively, and the main seal lip and the sub seal lip in both the seal portions cooperate to hold the window glass. It becomes like this.

  In addition, as in the invention according to claim 3, in the glass run vertical side portion, the base portion of the other seal portion with respect to the side wall is more than the base portion of the one seal portion with respect to the side wall. It is desirable to offset to the bottom wall side of the part in order to ensure a larger amount of bending due to the abutment of the main seal lip with the window glass in both the seal parts.

  That is, in the invention according to the third aspect, the main seal lip of the one seal portion is bent and deformed while ensuring a large amount of bending due to the abutment of the main seal lip with the window glass in the both seal portions. Sometimes, the tip of the main seal lip can be prevented from interfering with the bottom wall of the base part, while the main seal lip of the other seal part is bent and deformed, the tip of the main seal lip is Can be prevented from being exposed to the outside.

  Here, since the sub seal lip in the one seal portion and the main seal lip in the other seal portion extend toward the opposite bottom wall side of the base portion, the window glass is assembled to the vehicle door. Sometimes, there is a risk of drowning by inserting a window glass between both seal portions. Therefore, as in the invention described in claim 4, at the lower end of the glass run vertical side portion, there is a lip notch portion in which the sub seal lip in the one seal portion and the main seal lip in the other seal portion are notched. It is desirable that it be formed.

  That is, in the invention according to claim 4, when the window glass is assembled to the vehicle door, the window glass is inserted between the seal parts from the lip notch part, thereby sub-seal in the one seal part. It is possible to prevent the main seal lip from curling at the lip and the other seal portion.

  According to at least the first and second aspects of the present invention, the main seal lip and the sub-seal lip in the both seal portions abut against the window glass, respectively, and the main seal lip and the sub-seal lip in both the seal portions are Since it comes to hold | maintain the said window glass in cooperation, the shakiness of the window glass can be suppressed effectively.

  In addition, according to the invention described in claim 3, since it becomes possible to set the deflection amount of the main seal lip at the both seal portions to be larger, the rattling of the window glass is more effectively prevented. It becomes possible to suppress.

  According to a fourth aspect of the present invention, when the window glass is assembled, the window seal is prevented from curling of the sub seal lip in the one seal portion and the main seal lip in the other seal portion. There is a merit that glass workability can be improved.

The side view which shows the front door of a motor vehicle as embodiment of this invention. It is AA sectional drawing of FIG. 1, Comprising: The figure which shows the free state of both seal parts. The figure which shows the sash unmounted state of the glass run shown in FIG. The figure which shows the detail of the B section of FIG. 1 among glass runs. It is CC sectional drawing of FIG. 1, Comprising: The figure which shows the state which the window glass approached between both the seal parts. The figure which shows the state which the window glass approached between both the seal parts in the reference position in FIG. The figure which shows the state which entered between both seal | sticker parts in the position which the window glass in FIG. 2 biased to the vehicle interior side rather than the reference position. The figure which shows the state which entered between both seal | sticker parts in the position where the window glass in FIG.

  FIG. 1 is a view showing a preferred embodiment of the present invention, and shows a front door of an automobile equipped with a glass run according to the present invention.

  As shown in FIG. 1, a front door 1 as a vehicle door includes a door body 2 that houses a window regulator (not shown) and a sash 3 that is a substantially arch-shaped window frame in a side view. A window opening 4 formed between the main body 2 and the sash 3 is opened and closed by a window glass 5 capable of moving up and down. The sash 3 is equipped with a glass run 6 that guides the window glass 5 up and down and seals between the window glass 5 and the sash 3. The door body 2 is provided with a pair of lower sashes 2a extending on the extension lines of the glass run vertical sides 6a and 6b, which will be described later, of the glass run 6, and both the lower sashes 2a are provided inside the door body 2. The window glass 5 is guided. Although not shown in the drawings, the lower sashes 2a are, as is well known, a resin material typified by TPO, for example, EPDM, or the like, at the tips of both side walls of a core bar having a substantially U-shaped cross section. A seal lip made of a rubber material is formed. Instead of both lower sashes 2a, the glass run vertical side portions 6a and 6b, which will be described later, of the glass run 6 can be extended downward.

  The glass run 6 includes a pair of front and rear glass run vertical sides 6a and 6b extending in the vertical direction, a glass run upper side 6c connecting upper ends of the glass run vertical sides 6a and 6b, and both glass run vertical sides 6a and 6b. It has front and rear molding corners 6d and 6e that are substantially L-shaped in side view and connect the glass run upper side 6c, respectively, and the lower ends of both glass run vertical sides 6a and 6b are inserted into the door body 2. Has been. As is well known, the glass run upper side 6c and the glass run vertical sides 6a and 6b are made of a resin material typified by TPO or a rubber material typified by EPDM, for example. It has a long shape with a substantially uniform cross-sectional shape in the longitudinal direction. On the other hand, both mold forming corner portions 6d and 6e are formed by filling the above-mentioned resin material or rubber material into a mold not shown.

  2 is a cross-sectional view taken along the line AA of FIG. 1, showing a free state of both seal portions described later, and FIG. 3 is a view showing a state where the glass run shown in FIG. In addition, although the glass run vertical side part 6a of the front side is demonstrated below as a typical example among both glass run vertical side parts 6a and 6b, the glass run vertical side part 6b of the rear side is also comprised substantially the same.

  As shown in FIG. 2, the sash 3 has a substantially channel shape that is bent by roll forming, for example, and is formed in a sash groove 3 a having a substantially U-shaped cross section that opens toward the inner peripheral side of the sash 3. The glass run 6 is fitted and held.

  On the other hand, as shown in FIG. 2 in addition to FIG. 2, the glass run vertical side portion 6 a is configured around a glass run body 7 as a base portion having a substantially U-shaped or channel-shaped cross section, and both side walls of the glass run main body 7. Holding lips 8 project from the outer surfaces of 7a and 7b. The glass run vertical side portion 6a is prevented from coming off from the sash 3 by the engagement between the holding lips 8 and the stepped portions formed on the inner surfaces of the side walls 3b and 3c of the sash 3.

  The glass run body 7 is formed such that both side walls 7a and 7b are opened in a square shape toward the opening side with respect to the side walls 3b and 3c of the sash 3 by a predetermined angle. By inserting the glass run main body 7 into the sash groove 3a while narrowing the opening of 7a, 7b, both side walls 7a, 7b of the glass run main body 7 are brought into elastic contact with both side walls 3b, 3c of the sash 3.

  Further, on the inner surfaces of the side walls 7a and 7b of the glass run body 7, outer side and inner side seal portions 9 and 13 that are elastically contacted with the window glass 5 are respectively projected. , 13 are substantially Y-shaped or bifurcated in cross section.

  The outer side seal portion 9 is inclined obliquely from the root main portion 12 of the outer main seal lip 10 toward the bottom wall 7c side of the glass run body 7 and extending obliquely toward the opening side of the glass run body 7. An outer sub seal lip 11 that extends and whose length in the extending direction is shorter than the outer main seal lip 10. On the other hand, the inner-side seal portion 13 extends from the inner main seal lip 14 extending obliquely toward the bottom wall 7c side of the glass run main body 7 and the root portion 16 of the inner main seal lip 14 toward the opening side of the glass run main body 7. An inner sub seal lip 15 that extends obliquely and whose length in the extending direction is shorter than that of the inner main seal lip 14.

  That is, the sub seal lips 11 and 15 in both the seal portions 9 and 13 are formed so as to share the root portions 12 and 16 with the main seal lips 10 and 14, respectively, and the main seal lip 10 in both the seal portions 9 and 13 is formed. , 14 are alternately formed by extending in opposite directions.

  As a result, in the free state of the seal portions 9 and 13 shown in FIG. 2, the main seal lips 10 and 14 overlap so as to form a superposition relationship in the height direction of the side walls 7a and 7b without interfering with each other. The outer main seal lip 10 is in contact with the glass contact surface 15 a of the inner sub seal lip 15, and the inner main seal lip 14 is in contact with the glass contact surface 11 a of the outer sub seal lip 11. In other words, the glass contact surfaces 10a and 14a of the main seal lips 10 and 14 are close to each other in the free state of the seal portions 9 and 13 shown in FIG.

  Further, the base portions 12 and 16 of the seal portions 9 and 13 are offset from each other in a direction in which the glass contact surfaces 10a and 14a of the main seal lips 10 and 14 are close to each other. Specifically, the root portion 12 of the outer side seal portion 9 is offset from the root portion 16 of the inner side seal portion 13 toward the bottom wall 7 c of the glass run body 7.

  FIG. 4 is a diagram showing details of the portion B shown in FIG. 1 in the glass run vertical side portion 6a, and shows a state where the sash is not attached.

  As shown in FIG. 4, at the lower end of the glass run vertical side portion 6a, lip cutout portions 10b and 15b are formed by cutting out the outer main seal lip 10 and the inner sub seal lip 15, and the outer main seal lip 10 The length of the outer main seal lip 10 and the inner sub seal lip 15 in the extending direction is between the general portions 10c and 15c of the inner sub seal lip 15 and the lip notches 10b and 15b. Lip length gradually changing portions 10d and 15d that gradually change in the longitudinal direction are set.

  In this embodiment, when the window glass 5 is assembled to the front door 1, the window glass 5 is fitted into the lower sashes 2 a while being inserted into the interior of the door body 2 from the waist. Then, as shown in FIG. 5, the front and rear edges at the upper end of the window glass 5 are inserted between the seal parts 9 and 13 from the lip notches 10b and 15b. Then, the window glass 5 is raised along both lower sashes 2a from this state. As a result, the front and rear edge portions at the upper end of the window glass 5 come into contact with the lip length gradually changing portions 10d and 15d of the outer main seal lip 10 and the inner sub seal lip 15, and both the lips 10 and 15 are pushed and opened. It will enter between 10 and 15. As a result, as shown in FIG. 6, the outer main seal lip 10 and the inner sub-seal lip 15 are elastically contacted with the window glass 5 in a normal posture without rolling.

  Further, as shown in FIG. 6, when the window glass 5 enters between the seal portions 9 and 13, and the main seal lips 10 and 14 in the seal portions 9 and 13 come into contact with the window glass 5, respectively, both the mains As the seal lips 10 and 14 are bent and deformed, the sub-seal lips 11 and 15 in both seal portions 9 and 13 swing around the root portions 12 and 16 in the direction of strengthening the contact with the window glass 5, respectively. become. As described above, since the base portion 12 of the outer side seal portion 9 is offset from the root portion 16 of the inner side seal portion 13 toward the bottom wall 7c of the glass run body 7, both the seal portions 9, 13 are used. When the window glass 5 enters in between, the tip of the inner main seal lip 14 that has been bent and deformed does not interfere with the bottom wall 7c of the glass run body 7, or the outer main that has been bent and deformed by contact with the window glass 5. The tip of the seal lip 10 is not exposed to the outside of the glass run body 7.

  As a result, the main seal lips 10 and 14 and the sub seal lips 11 and 15 in both the seal portions 9 and 13 reliably come into contact with both the front and back surfaces of the window glass 5 in the form of a so-called double seal, respectively. The main seal lips 10 and 14 and the sub seal lips 11 and 15 in FIG. 13 cooperate to hold the window glass 5. In addition, the virtual line in FIG. 6 has shown both the seal parts 9 and 13 in a free state.

  Further, as shown in FIGS. 7 and 8, due to variations in the installation of the window glass 5, the window glass 5 is biased to the vehicle interior side or the vehicle interior outside of the predetermined reference position indicated by the phantom line in FIGS. However, since the main seal lips 10 and 14 in the seal portions 9 and 13 are overlapped with each other, the seal portions 9 and 13 are also overlapped in this case. The main seal lips 10 and 14 and the sub seal lips 11 and 15 in FIG. 13 are surely brought into contact with the window glass 5 to exhibit a sufficient glass holding force. 7 and 8 indicate both the seal portions 9 and 13 in a free state in addition to the reference position of the window glass 5.

  Therefore, according to the present embodiment, even if the window glass 5 enters the space between the seal portions 9 and 13 at a position that is biased toward the vehicle interior side or vehicle exterior side with respect to the reference position, Since the main seal lips 10 and 14 and the sub seal lips 11 and 15 in FIG. 13 are surely in contact with the window glass 5, rattling of the window glass 5 is effectively and reliably suppressed, and Occurrence can be prevented.

  In addition, since the seal portions 9 and 13 are formed in a bifurcated shape, when the window glass 5 vibrates between the seal portions 9 and 13, the seal portions 9 and 13 exhibit a buffer function. There is an advantage that the generation of abnormal noise can be prevented more effectively.

  Further, since the swing based on the contact of the seal portions 9 and 13 with the window glass 5 is performed without being exposed to the outside in the U-shaped space of the glass run body 7, the appearance quality is improved. There is merit to do.

  Further, since the main seal lips 10 and 14 are alternately formed so that the main seal lips 10 and 14 do not interfere with each other in the free state shown in FIG. 2, the glass run 6 is assembled when the glass run 6 is assembled. The main body 7 can be easily narrowed with a relatively small force, and there is an advantage that the workability of assembling the glass run 6 is improved.

1 ... Front door (vehicle door)
3 ... Sash (window frame)
5 ... Window glass 6a ... Vertical side of glass run 7 ... Glass run body (base part)
7a: Side wall of the glass run body 7b ... Side wall of the glass run body 7c ... Bottom wall of the glass run body 9 ... Outer side seal portion 10 ... Outer main seal lip 10a ... Glass contact surface of the outer main seal lip 10b ... Lip of the outer main seal lip Notch portion 11 ... Outer sub seal lip 12 ... Root portion of outer side seal portion 13 ... Inner side seal portion 14 ... Inner main seal lip 14a ... Glass contact surface of inner main seal lip 15 ... Inner sub seal lip 15b ... Inner sub The lip notch 16 of the seal lip ... The root of the inner seal

Claims (4)

A base part having a substantially channel-shaped cross section that is mounted on a window frame of a vehicle door and receives an outer peripheral edge part of a window glass that can be moved up and down, and projects from both side walls of the base part toward the inside of the base part. And a glass run having a pair of seal portions elastically contacting the window glass,
The two seal portions in the vertical side of the glass run extending in the vertical direction are a main seal lip extending obliquely toward the bottom wall side or the opening side of the base portion, and from the root portion of the main seal lip to the anti-main seal lip side. Each of which is formed in a bifurcated shape composed of a sub-seal lip that extends obliquely toward the main seal lip and has a shorter length in the extending direction than the main seal lip,
A glass run in which the main seal lips in the two seal portions are alternately formed so that the main seal lips in the two seal portions overlap in a free state.   In the glass run vertical side portion, the main seal lip in one of the two seal portions extends obliquely toward the bottom wall side of the base portion, while the other seal portion of the two seal portions. The main seal lip in the base portion extends obliquely toward the opening side of the base portion, and the glass contact surfaces of the main seal lip in the two seal portions are adjacent to each other in a free state. The glass run according to claim 1.   In the glass run longitudinal side portion, a base portion of the other seal portion with respect to the side wall is offset to a bottom wall side of the base portion with respect to a base portion of the one seal portion with respect to the side wall. The glass run according to claim 2.   The lip cutout part formed by notching the sub seal lip in the one seal part and the main seal lip in the other seal part, respectively, is formed at the lower end of the glass run vertical side part. 3. The glass run according to 3.

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