Glass run

Abstract

To provide a glass run making it possible to enhance rigidity without increasing the thickness of an interior side wall, and to narrow the distance between a door glass longitudinal side part and glass run longitudinal side part.MEANS FOR SOLVING THE PROBLEM: An interior side wall 40 of a glass run 10 which coincides with a door glass longitudinal side part 62 of door glass 60 and is created through extrusion molding is configured such that an interior side wall main body 42, divided in the middle into a first interior side wall main body 421 and second interior side wall main body 422, is coupled to a convex part 45 jutting outside a vehicle. The convex part 45 is shaped like a triangle having a first side part 46 that is shaped like a straight line and located on the side of a bottom wall 20 and a second side part 47 that is coupled to the first side part 46, shaped like a straight line, and located on the side of an interior seal lip 41.SELECTED DRAWING: Figure 4

Description

[Technical field]

[0001] The present invention relates to a glass run that is attached to a door frame formed in a door of a vehicle such as an automobile. [Background technology]

[0002] A glass run is attached to a vehicle door formed on the inner peripheral edge of the door frame, and the glass run's interior and exterior glass seal portions guide the door glass as it moves up and down and seal the interior and exterior of the vehicle.

[0003] For example, as shown in Fig. 5, the glass run 110 is constructed with a basic framework of a bottom wall 200, an exterior side wall 300 located on the exterior side of the bottom wall 200, and an interior side wall 400 located on the interior side of the vehicle. The glass run 110 is provided with an exterior seal lip 310 and an interior seal lip 410 extending inward from both side walls. A sub-lip 430 protruding in the opposite direction to the interior seal lip 410 is formed toward the exterior side of the vehicle between the interior seal lip 410 and the bottom wall 200. The glass run 110 is attached to a door frame 500, and the exterior and interior surfaces of the door glass 600 that moves up and down are sandwiched and sealed by the exterior seal lip 310 and the interior seal lip 410 (Patent Document 1). The sub-lip 430 is not necessarily required.

[0004] The glass run 110 also supports the peripheral edge of the door glass 600 to guide the door glass 600 as it moves up and down, and also plays a role in preventing the door glass 600 from rattling. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] JP 2018-149984 A Summary of the Invention [Problem to be solved by the invention]

[0006] Incidentally, there are vehicles of a type that have a back door (also called a rear gate or a tailgate) at the rear of the vehicle, and further, there are vehicles of a type that have a back door glass that can be raised and lowered.

[0007] Fig. 1 is a front view of a vehicle having a back door 100 and a door glass 600 that can be raised and lowered, as seen from the rear. In Fig. 1, a glass run 110 is attached at the position indicated by a dashed line (partly indicated by a solid line). When the door glass 600 is fully opened, the door glass 600 is stored inside the back door 100.

[0008] 2 is an enlarged view of the region X in FIG. 1. In FIG. 2, the door glass 600 is in a position where the arc-shaped portion 630 located at the upper corner between the door glass upper side portion 610 and the door glass vertical side portion 620 of the door glass 600 and the door glass vertical side portion 620 below the arc-shaped portion 630 are slightly visible. As is clear from FIG. 1, the glass run 110 is formed in a shape that does not have a bottom side of a trapezoid. This is because the door glass 600 is in a substantially trapezoidal shape. Therefore, as the door glass 600 descends, the door glass vertical side portion 620 of the door glass 600 moves away from the glass run vertical side portion 120 of the glass run 110, and when it approaches the fully open position, a gap is generated between the door glass vertical side portion 620 and the glass run vertical side portion 120 (region Y in FIG. 2).

[0009] When the door glass 600 is raised from the position shown in Figure 2, the door glass vertical side portion 620 moves closer to the glass run vertical side portion 120, so there is a risk of fingers getting pinched between the door glass vertical side portion 620 and the glass run vertical side portion 120.

[0010] 5 may be formed longer as a means for narrowing the distance between the door glass vertical side portion 620 and the glass run vertical side portion 120 near the fully open position of the door glass 600, but forming the interior side wall 400 longer reduces the rigidity of the interior side wall 400 and deteriorates the performance of the glass run 110. Furthermore, if the interior side wall 400 is formed longer and thicker in order to increase the rigidity, sink marks will occur in the interior side wall 400 due to volumetric shrinkage during cooling after molding, especially when the material is resin.

[0011] The present invention aims to provide a glass run that increases the rigidity of the vehicle interior side wall without making it thick, and that makes it possible to narrow the distance between the vertical side portion of the door glass and the vertical side portion of the glass run. [Means for solving the problem]

[0012] The present invention of claim 1 is a glass run that is attached to the inner periphery of a door frame of a vehicle door and includes a bottom wall, an interior side wall and an exterior side wall extending from the bottom wall, an interior seal lip connected to the interior side wall, and an exterior seal lip connected to the exterior side wall, and that guides the raising and lowering of a door glass, wherein the interior side wall of the glass run corresponds to a vertical side portion of the door glass and is formed by extrusion molding. The interior side wall of the glass run is connected to an interior side wall main body portion extending from the bottom wall toward the interior seal lip and an interior side wall main body portion separated at an intermediate portion, and includes a convex portion that protrudes to the exterior of the vehicle, and the convex portion has a triangular shape composed of a straight-line first side portion located on the bottom wall side and a straight-line second side portion connected to the first side portion and located on the interior seal lip side.

[0013] In the present invention of claim 1, the vehicle interior side wall of the glass run formed by extrusion corresponds to the door glass vertical side of the door glass and includes a vehicle interior side wall main body portion extending from the bottom wall toward the vehicle interior seal lip and a convex portion connected to the vehicle interior side wall main body portion divided at a middle portion and protruding toward the vehicle exterior, and the convex portion is triangular in shape consisting of a linear first side portion located on the bottom wall side and a linear second side portion connected to the first side portion and located on the vehicle interior seal lip side, so that bent portions are formed in three positions in the vehicle interior side wall: a connecting portion between the vehicle interior side wall main body portion and the first side portion, a connecting portion between the first side portion and the second side portion, and a connecting portion between the second side portion and the vehicle interior side wall main body portion. As a result, the rigidity is increased compared to when the vehicle interior side wall is linear, so that even when the vehicle interior side wall is formed long and the distance between the door glass vertical side portion and the vehicle interior side wall of the glass run is narrowed, the rigidity can be ensured without thickening the vehicle interior side wall. As a result, the distance between the vertical side portion of the door glass and the vertical side portion of the glass run can be narrowed.

[0014] The present invention of claim 2 is a glass run according to the invention of claim 1, wherein a first rib protruding toward the inside of the vehicle is formed at the connecting portion between the interior side wall main body portion and the first edge portion, a second rib protruding toward the inside of the vehicle is formed at the connecting portion between the interior side wall main body portion and the second edge portion, and a third rib protruding toward the inside of the vehicle is formed in the interior side wall main body portion between the connecting portion with the interior seal lip and the second rib.

[0015] In the present invention of claim 2, a first rib protruding toward the vehicle interior is formed at the connecting portion between the vehicle interior sidewall main body and the first side portion, a second rib protruding toward the vehicle interior is formed at the connecting portion between the vehicle interior sidewall main body and the second side portion, and a third rib protruding toward the vehicle interior is formed on the vehicle interior sidewall main body between the connecting portion with the vehicle interior seal lip and the second rib, so that when the glass run is inserted into the door frame, the contact portion with the door frame is small and insertion is easy. Also, when the glass run is attached to the door frame, the first rib, the second rib, and the third rib abut against the door frame at three points, so that the vehicle interior sidewall is stably held in a predetermined position.

[0016] In particular, due to the presence of the third rib, when the glass run is inserted into the door frame, that is, when the connection between the interior seal lip and the interior side wall main body portion is pressed toward the bottom wall, the third rib abuts against the door frame, preventing the second rib from floating up to the exterior side of the vehicle, thereby facilitating insertion.

[0017] The present invention of claim 3 is the glass run of claim 1 or 2, wherein the angle between the first side and the second side of the convex portion is 90 degrees or more.

[0018] Generally, a glass run is manufactured by connecting extrusions to each other by molding at the corners of the door glass, so the cross section of the extrusion is particularly reflected in the connecting portion with the molded portion.

[0019] In the present invention of claim 3, since the angle between the first side portion and the second side portion is 90 degrees or more, the convex portion can be easily removed from the mold after molding within the molded portion at the connecting portion with the extrusion molded portion.

[0020] The present invention of claim 4 is the glass run of claim 1 or 2, wherein the thickness of the second side portion of the convex portion is greater than the thickness of the interior side wall main body portion and the thickness of the first side portion.

[0021] In the present invention of claim 4, the thickness of the second side portion of the convex portion is thicker than the thickness of the vehicle interior side wall main body portion and the thickness of the first side portion, so that when inserting the glass run into the door frame, it is possible to prevent the second side portion from bending and making insertion difficult.

[0022] The present invention of claim 5 is a glass run according to claim 1 or claim 2, wherein a lip is formed at the connecting portion between the first side and the second side of the convex portion, the lip extending opposite the bottom wall and capable of abutting against a surface of the interior seal lip opposite the sliding surface with the door glass.

[0023] When the door is closed forcefully with the door glass open, or when the vehicle is driven on a rough road with the door glass slightly open, the door glass is displaced significantly toward the inside of the vehicle and then flutters (vibrates) toward the inside and outside of the vehicle as it returns to the outside. This fluttering causes the door glass and the inside seal lip to repeatedly separate and come into contact with each other, generating an abnormal noise (banging sound) due to the contact, or the inside side of the inside seal lip may come into contact with the connecting part between the first side and the second side, generating an abnormal noise (banging sound).

[0024] In the present invention of claim 5, a lip is formed at the connecting portion between the first and second sides of the convex portion, which extends opposite the bottom wall and is capable of abutting the surface of the interior seal lip opposite the sliding surface with the door glass. Therefore, when the door glass is slightly open while driving over rough roads, etc., and the door glass is significantly displaced toward the inside of the vehicle, causing the door glass to flap (vibrate) toward the inside of the vehicle, the interior side of the interior seal lip abuts against the lip and presses the interior seal lip from inside the vehicle, thereby preventing the generation of abnormal noises (banging sounds) associated with abutment and separation between the door glass and the interior seal lip.

[0025] The present invention of claim 6 is the invention of claim 5, wherein the lip is a glass run that does not come into contact with the interior surface of the interior seal lip when the door glass is raised or lowered.

[0026] In the present invention of claim 6, the lip does not abut the interior surface of the interior seal lip when the door glass is raised or lowered, thereby preventing abutment that would cause the interior seal lip to be pressed toward the exterior of the vehicle, thereby preventing adverse effects on the raising and lowering of the door glass. Effect of the Invention

[0027] A glass run is attached to the inner periphery of a door frame of a vehicle door and comprises a bottom wall, an interior side wall and an exterior side wall extending from the bottom wall, an interior seal lip connected to the interior side wall, and an exterior seal lip connected to the exterior side wall, and serves to guide the raising and lowering of a door glass, wherein the interior side wall of the glass run corresponds to a vertical side of the door glass and is formed by extrusion molding and comprises an interior side wall main body portion extending from the bottom wall toward the interior seal lip, and a convex portion connected to the interior side wall main body portion at a middle portion and protruding to the exterior of the vehicle, the convex portion having a triangular shape composed of a straight-line first side portion located on the bottom wall side and a straight-line second side portion connected to the first side portion and located on the interior seal lip side, so that bends are formed in three positions within the interior side wall: the connection portion between the interior side wall main body portion and the first side portion, the connection portion between the first side portion and the second side portion, and the connection portion between the second side portion and the interior side wall main body portion. As a result, the rigidity is increased compared to when the interior side wall is linear, so that even if the interior side wall is formed long and the distance between the vertical side portion of the door glass and the interior side wall of the glass run is narrowed, the rigidity can be ensured without making the interior side wall thicker. As a result, the distance between the vertical side portion of the door glass and the vertical side portion of the glass run can be narrowed. [Brief description of the drawings]

[0028] [Figure 1] FIG. 2 is a front view of the automobile back door as seen from the outside of the vehicle. [Diagram 2] FIG. 2 is an enlarged view of a region X in FIG. [Diagram 3] FIG. 2 is a front view of a glass run used in the embodiment of the present invention. [Figure 4] 2 is a cross-sectional view taken along line AA in FIG. 1. [Diagram 5] FIG. 1 is a cross-sectional view of a conventional glass run (Patent Document 1). DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0029] An embodiment of the present invention will be described with reference to Figs. 1 to 4. Fig. 1 shows a front view of a tailgate 1 for an automobile as viewed from the outside of the vehicle. The tailgate 1 has an opening 2, to which a door glass 6 is attached via a glass run 10, and the door glass 6 is of a type that can be raised and lowered. A rear spoiler 3 is attached above the tailgate 1. Garnishes 4 are attached to both sides of the door glass 6. In Fig. 1, the glass run 10 is attached at a position indicated by a broken line (partly indicated by a solid line). The reason why the upper part and both sides of the glass run 10 are indicated by a broken line is because the glass run 10 is hidden by the rear spoiler 3 and the garnish 4. A belt line molding 5 is attached to the opening 2 in a portion where the glass run 10 is not present. When the door glass 6 is fully opened, the door glass 6 is stored inside the tailgate 1.

[0030] 3 is a front view of a glass run 10 used in an embodiment of the present invention. The glass run 10 is composed of a first extrusion 11, which is an upper edge of the glass run corresponding to the vehicle width direction of the back door 1, and two second extrusions 12 and a third extrusion 13, which are vertical edges of the glass run corresponding to the vehicle up-down direction. Both side ends of the first extrusion 11 are connected to the upper end of the second extrusion 12 by a first molded part 14, and are connected to the upper end of the third extrusion 13 by a second molded part 15. The first molded part 14 and the second molded part 15 house an arc-shaped part 63 located at the upper corner between the door glass upper edge 61 and the door glass vertical edge 62 in FIG. 2.

[0031] Fig. 4 is a cross-sectional view of the second extrusion 12 corresponding to line AA in Fig. 1, and is a cross-sectional view of the first extrusion 11 of the glass run 10 attached to a door frame 70. The door frame 70 is composed of an inner frame 71 and an outer frame 72. In Fig. 4, the glass run 10 drawn with a solid line is not in contact with the door glass 6, that is, it is in the state shown in Fig. 2. Also, the two-dot chain line indicates the state in which the door glass 6 is closed.

[0032] The inner frame 71 is made up of an outer frame 73 on the vehicle exterior side and an inner frame 74 on the vehicle interior side, and the outer frame 72 is made up of an outer frame 75 on the vehicle exterior side and an outer frame 76 on the vehicle interior side.

[0033] The glass run 10 has a basic framework including a bottom wall 20, an exterior side wall 30, and an interior side wall 40, and is formed in a channel shape (having a substantially U-shaped cross section). The bottom wall 20 is formed in a substantially plate-like shape, and a plurality of bottom wall recesses 22 are formed continuously and parallel to each other in the longitudinal direction on the inner surface (door glass 6 side) of the bottom wall 20. Groove portions 21 are formed on both ends of the bottom wall 20 on the door glass 6 side, allowing the groove portions 21 to be bent around the base points when the vehicle exterior side wall 30 and the vehicle interior side wall 40 connected to the bottom wall 20, which will be described later, are attached to the door frame 70.

[0034] An exterior retaining lip 32 and an exterior retaining rib 33 are formed on the exterior side of the exterior side wall 30 near the joint with the bottom wall 20 and toward the tip of the exterior side wall 30. The exterior retaining lip 32 and the exterior retaining rib 33 abut against the interior side of the exterior inner frame 73, sandwiching the exterior recess 77 of the exterior inner frame 73. When the glass run 10 is attached to the door frame 70, the exterior retaining lip 32 climbs over the exterior recess 77.

[0035] An exterior seal lip 31 that abuts against the exterior side of the door glass 6 is formed on the interior side of the tip of the exterior side wall 30 toward the bottom wall 20. A plurality of convex seal lip ribs 34 are formed continuously and parallel to each other in the longitudinal direction on the interior side of the exterior seal lip 31. The seal lip ribs 34 prevent dust, dirt, foreign matter, etc. from getting caught in the exterior seal lip 31 when the door glass 6 is raised or lowered, thereby generating abnormal noise.

[0036] Further, on the outer side of the tip portion of the outer side wall 30, an outer cover lip 35 is formed facing the opposite side to the outer seal lip 31. The outer cover lip 35 abuts against the outer side of the outer frame 75. Moreover, a garnish 4 is disposed on the outer side of the outer cover lip 35.

[0037] The interior side wall 40 is divided at a middle portion and is composed of a first interior side wall main body portion 421 located on the bottom wall side, a second interior side wall main body portion 422 located on the interior seal lip 41 side described later, and a convex portion 45 located between the interior side wall main body portion 421 and the second interior side wall main body portion 422 and protruding to the exterior of the vehicle. The first interior side wall main body portion 421 and the second interior side wall main body portion 422 are collectively referred to as the interior side wall main body portion 42.

[0038] The convex portion 45 has a triangular shape composed of a straight-line first side portion 46 connected to the first interior sidewall main body portion 421 located on the bottom wall 20 side, and a straight-line second side portion 47 connected to the first side portion 46 and connected to the second interior sidewall main body portion 422 located on the interior seal lip 41 side. Note that the "straight-line shape" of the first side portion 46 and the second side portion 47 includes not only straight lines but also slight arc shapes.

[0039] In the convex portion 45, the angle B between the first side portion 46 and the second side portion 47 is 110 degrees. Note that the angle A is not limited to 110 degrees, but since the second extrusion molding portion 12 is connected by the first extrusion molding portion 11 and the first mold molding portion 14 as shown in Fig. 3 and the cross section of Fig. 4 is also reflected in the connection portion with the second extrusion molding portion 12 in the first mold molding portion 14, it is desirable for the angle A to be 90 degrees or more.

[0040] Moreover, the first side portion 46 is formed longer than the second side portion 47. This is because the angle between the first side portion 46 and the second side portion 47 is set to 90 degrees or more, and the interior side wall 40 is formed longer than in the past, so that the position of the interior seal lip 41, which will be described later, is separated from the bottom wall 20.

[0041] Furthermore, the thickness t of the second side portion 47 is formed to be thicker than the thickness of the first side portion 46 and the thickness of the interior side wall main body portion 42. Note that, as long as the second side portion 47 is not bent when the glass run 10 is inserted into the door frame 70, the thickness t of the second side portion 47 may be the same as the thickness of the first side portion 46 and the interior side wall main body portion 42.

[0042] An interior retaining lip 44 is formed on the interior side of the first interior sidewall main body 421 near the connection with the bottom wall 20. A triangular first rib 48 protruding toward the interior side of the vehicle is formed on the interior side of the connection between the first interior sidewall main body 421 and the first side 46. A triangular second rib 49 protruding toward the interior side of the vehicle is formed on the interior side of the connection between the second interior sidewall main body 422 and the second side 47. A triangular third rib 50 protruding toward the interior side of the vehicle is formed on the interior side of the second interior sidewall main body 422 between the connection between the second interior sidewall main body 422 and the interior seal lip 41 described later and the second rib 49. The first rib 48, the second rib 49 and the third rib 50 are not limited to being triangular.

[0043] The interior side retaining lip 44 and the first rib 48 abut against the exterior side of the interior side inner frame 74, sandwiching the interior side recess 78 of the interior side inner frame 74. The second rib 49 and the third rib 50 also abut against the exterior side of the interior side inner frame 74. When the glass run 10 is attached to the door frame 70, the interior side retaining lip 44 climbs over the interior side recess 78.

[0044] An interior seal lip 41 that abuts against the interior side of the door glass 6 is formed on the exterior side of the tip portion of the interior side wall 40, facing the bottom wall 20. An interior seal lip recess 51 is formed on the interior side of the interior seal lip 41. When the interior seal lip 41 abuts against the door glass 6, the tip side of the interior seal lip 41 bends mainly toward the interior of the vehicle and slides against the door glass 6 from the interior seal lip recess 51.

[0045] A lip 52 is formed from the connection between the first side portion 46 and the second side portion 47 of the convex portion 45 toward the vehicle interior side of the interior seal lip 41 and in a direction away from the bottom wall 20. As shown in Fig. 4, when the door glass 6 is closed (two-dot chain line), the lip 52 does not abut against the interior side surface of the interior seal lip 41.

[0046] In addition, when the back door 1 is closed forcefully with the door glass 6 open, or when the vehicle is driven on a rough road with the door glass 6 slightly open and the door glass 6 is significantly displaced toward the inside of the vehicle, the door glass 6 flutters (vibrates) toward the inside of the vehicle, and the lip 52 comes into contact with the inside surface of the interior seal lip 41.

[0047] Further, an interior cover lip 43 is formed on the exterior side of the tip portion of the second interior side wall main body portion 422, facing the opposite side to the interior seal lip 41. The interior cover lip 43 abuts against the interior side of the interior outer frame 76.

[0048] In the embodiment of the invention, a dynamically crosslinked thermoplastic elastomer (TPV) is used as the material constituting the glass run 10. Note that, as the thermoplastic elastomer, in addition to TPV, an olefin-based thermoplastic elastomer (TPO) is preferable from the viewpoints of weather resistance, recyclability, cost, etc.

[0049] As described above in detail, according to this embodiment, the following effects can be obtained. (1) The interior side wall 40 of the glass run 10 formed by extrusion corresponds to the door glass vertical side portion 62 of the door glass 60, and is configured such that the interior side wall main body portion 42, which is divided at the middle portion into a first interior side wall main body portion 421 and a second interior side wall main body portion 422, is connected to a convex portion 45 protruding toward the exterior of the vehicle. The convex portion 45 has a triangular shape composed of a straight-line first edge portion 46 located on the bottom wall 20 side and a straight-line second edge portion 47 connected to the first edge portion 46 and located on the interior seal lip 41 side. Therefore, bends are formed in three positions within the interior side wall 40: the connection portion between the first interior side wall main body portion 421 and the first edge portion 46, the connection portion between the first edge portion 46 and the second edge portion 47, and the connection portion between the second edge portion 47 and the second interior side wall main body portion 422. As a result, the rigidity is increased compared to when the interior side wall 40 is straight, so that even when the interior side wall 40 is formed long and the distance between the door glass vertical edge portion 62 and the interior side wall 40 of the glass run 10 is narrowed, the rigidity can be ensured without making the interior side wall 40 thicker.

[0050] (2) A first rib 48 protruding toward the vehicle interior is formed at the connecting portion between the first vehicle interior side-wall main body portion 421 and the first side portion 46, a second rib 49 protruding toward the vehicle interior is formed at the connecting portion between the second vehicle interior side-wall main body portion 422 and the second side portion 47, and a third rib 50 protruding toward the vehicle interior is formed in the second vehicle interior side-wall main body portion 422 between the connecting portion with the vehicle interior seal lip 41 and the second rib 49. Therefore, when the glass run 10 is inserted into the door frame 70, the contact portion with the door frame 70 is small, making the insertion easy. Furthermore, when the glass run 10 is attached to the door frame 70, the first rib 48, the second rib 49, and the third rib 50 come into contact with the door frame 70 at three points, so that the vehicle interior side wall 40 is stably held in a predetermined position.

[0051] In particular, due to the presence of the third rib 50, when the glass run 10 is inserted into the door frame 70, that is, when the connection portion between the interior seal lip 41 and the second interior side wall main body portion 422 is pressed toward the bottom wall 20, the third rib 50 abuts against the door frame 70, thereby preventing the second rib 49 from floating up to the exterior side of the vehicle, thereby facilitating insertion.

[0052] (3) The angle between the first side 46 and the second side 47 of the convex portion 45 is 110 degrees, which is greater than 90 degrees. Therefore, after molding, the convex portion 45 can be easily removed from the molding die within the molding portion at the connection portion with the extrusion molded portion, where the cross-sectional shape of the extrusion molded portion is reflected.

[0053] (4) The thickness t of the second edge portion 47 of the convex portion 45 is thicker than the thickness of the interior sidewall main body portion 42 (first interior sidewall main body portion 421, second interior sidewall main body portion 422) and the thickness of the first edge portion 46. Therefore, when inserting the glass run 10 into the door frame 70, it is possible to prevent the second edge portion 47 from bending and becoming difficult to insert.

[0054] (5) At the connecting portion between the first side 46 and the second side 47 of the convex portion 45, a lip 52 is formed which extends away from the bottom wall 20 and can come into contact with the surface of the interior seal lip 41 opposite the door glass sliding surface. Therefore, when the back door 1 is closed forcefully with the door glass 60 slightly open, or when the door glass 60 is driven on a rough road with the door glass 60 slightly open and the door glass 60 is significantly displaced toward the interior of the vehicle, and the door glass 60 flutters (vibrates) toward the interior of the vehicle, the interior side of the interior seal lip 41 comes into contact with the lip 52 and presses the interior seal lip 41 from the inside of the vehicle, thereby preventing the generation of abnormal noises (banging sounds) associated with contact and separation between the door glass 60 and the interior seal lip 41.

[0055] (6) When the door glass 60 is raised or lowered, the lip 52 does not come into contact with the interior surface of the interior seal lip 41. This prevents the interior seal lip 41 from being pressed against the exterior side of the vehicle by the lip 52, thereby preventing adverse effects on the raising and lowering of the door glass 60.

[0056] In addition to the above, the present invention includes the following aspects.

[0057] 5. The glass run according to claim 3, wherein a thickness of the second side portion of the convex portion is greater than a thickness of the interior side wall main body portion and a thickness of the first side portion.

[0058] In claim 5, the glass run according to claim 3 or claim 4, wherein a lip is formed at a connecting portion between the first side portion and the second side portion of the convex portion, the lip extending in a direction opposite to the bottom wall and capable of contacting a surface of the interior seal lip opposite to a sliding surface thereof with the door glass.

[0059] The present invention is not limited to the above-described embodiment, and various modifications are possible without departing from the object of the present invention.

[0060] For example, in the embodiment, a dynamically crosslinked thermoplastic elastomer (TPV) is used as the material constituting the glass run 10, but rubber such as EPDM (ethylene propylene diene rubber) may also be used. [Explanation of symbols]

[0061] 1. Backdoor 6 Door Glass 10 Glass Run 20 Bottom Wall 30 Outside side wall 31 Outside seal lip 40 Car interior side wall 41 Sealing lip inside the car 42 Vehicle interior side wall main body 421 First car inner side wall main body 422 Second car inner side wall main body 45 Convex part 46 First side 47 Second side 48 First Rib 49 Second Rib 50 3rd Rib 52 Lip 70 Door Frame

Claims

1. A glass run is attached to an inner periphery of a door frame of a vehicle door, and includes a bottom wall, an interior side wall and an exterior side wall extending from the bottom wall, an interior seal lip connected to the interior side wall, and an exterior seal lip connected to the exterior side wall, and serves to guide the raising and lowering of a door glass, the vehicle interior side wall of the glass run formed by extrusion corresponds to a vertical side portion of the door glass, and includes an interior side wall main body portion extending from the bottom wall toward the vehicle interior seal lip, and a convex portion connected to the interior side wall main body portion separated at an intermediate portion and protruding toward the vehicle exterior, the convex portion is triangular in shape and is composed of a straight-line first side portion located on the bottom wall side and a straight-line second side portion connected to the first side portion and located on the vehicle interior seal lip side.

2. a first rib protruding toward the vehicle interior side is formed at a connection portion between the vehicle interior side wall main body portion and the first side portion, a second rib protruding toward the vehicle interior side is formed at a connection portion between the vehicle interior side wall main body portion and the second side portion, 2. The glass run according to claim 1, wherein a third rib protruding toward the interior side of the vehicle is formed in the interior side wall main body between a connecting portion with the interior seal lip and the second rib.

3. 3. The glass run according to claim 1, wherein an angle between the first side portion and the second side portion of the convex portion is equal to or greater than 90 degrees.

4. 3. The glass run according to claim 1, wherein a thickness of the second side portion of the convex portion is greater than a thickness of the interior side wall main body portion and a thickness of the first side portion.

5. 3. The glass run according to claim 1, wherein a lip is formed at a connecting portion between the first side portion and the second side portion of the convex portion, the lip extending opposite the bottom wall and capable of abutting against a surface of the interior seal lip opposite a sliding surface thereof with respect to the door glass.

6. The glass run according to claim 5, wherein the lip does not come into contact with the interior surface of the interior seal lip when the door glass is raised or lowered.

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