JP7437224B2 - Automotive sealing material - Google Patents

Description

The present invention relates to a sealing material for an automobile that seals an opening formed in an automobile.

2. Description of the Related Art Conventionally, a weather strip disclosed in Patent Document 1, for example, has been known as a sealing material for sealing a door opening formed in an automobile body. In Patent Document 1, a drip channel extending toward the outside of the vehicle interior is provided on the side surface of a front pillar, and a weather strip is attached to this drip channel. An end clip is provided at the end of the weatherstrip to secure the end to the drip channel.

The end clip has a cap-like shape as a whole, and a slit is formed in the peripheral wall to be inserted into the drip channel. Moreover, a clamping part that clamps the drip channel in the thickness direction is provided inside the peripheral wall part of the terminal clip.

Japanese Unexamined Patent Publication No. 2-286444

Incidentally, a member such as an end clip that fixes the end portion of the weather strip to the drip channel in Patent Document 1 is generally made of a hard resin material. On the other hand, the drip channel of the vehicle body is made of a hard member such as a steel plate. In other words, a rigid terminal clip is attached to a rigid drip channel, so if there is a manufacturing error in the terminal clip and the gap between the clamping parts is narrower than the intended gap, the terminal clip Since a large force is required when inserting the clamping part into the drip channel, there is a risk that the installation workability will be deteriorated.

Additionally, if the gap between the clamping parts of the terminal clip is wider than the intended gap due to manufacturing errors, the terminal clip may easily rattle against the drip channel after installation, causing abnormal noise. obtain.

It is also common for manufacturing errors to occur in the drip channel. For example, dimensional errors such as the size of the plate thickness, the length of the plate, the angle of the bent part of the plate, etc. may result in poor installation when inserting the terminal clip into the drip channel. After installation, the terminal clip tends to wobble against the drip channel.

Furthermore, in situations where the terminal is prone to wobbling, the position of the terminal is likely to shift, which may cause deterioration in appearance.

Therefore, in the case of Patent Document 1, manufacturing errors in the terminal clip and drip channel had to be extremely small in consideration of installation workability, occurrence of abnormal noise, occurrence of deterioration of appearance, etc., and it was difficult to realize it as a vehicle. .

The present invention has been made in view of the above points, and its purpose is to reduce the force required to install the sealing material, eliminate rattling after installation, and eliminate noise generation and deterioration of appearance. The aim is to suppress the occurrence of

In order to achieve the above object, a first invention provides a sealing material mounting plate that protrudes from a member constituting a door of an automobile and extends in the longitudinal direction of the vehicle, on the tip side in the protruding direction of the sealing material mounting plate. In the automotive sealing material that is attached to the vehicle, the sealing material includes an extruded sealing material body that extends in the vehicle longitudinal direction along the sealing material mounting plate portion, and an end portion of the sealing material body on one side in the vehicle longitudinal direction. a terminal part integrally molded with and made of an elastic material; a fixing member provided between the end part of the sealing material main body and the terminal part and made of a harder material than the terminal part; The sealing material main body includes an upper wall portion disposed above the sealing material mounting plate portion and extending in the longitudinal direction of the vehicle, and an upper wall portion disposed below the sealing material mounting plate portion and extending in the longitudinal direction of the vehicle. a lower wall portion; and an outer wall portion extending from the outer side of the vehicle interior of the upper wall portion to the exterior side of the vehicle interior of the lower wall portion; the terminal portion includes a terminal upper wall portion; A protruding portion that protrudes downward and comes into contact with the upper surface of the sealing material mounting plate portion is provided on the lower surface of the wall portion and/or the lower surface of the terminal upper wall portion of the terminal portion, and the fixing member a contact surface that is fixed to the lower wall of the main body and extends inward in the vehicle width direction from the lower wall and that abuts the lower surface of the sealing material mounting plate; It is characterized in that the sealing material mounting plate portion is held between the upper surface of the abutting surface.

According to this configuration, when the sealant mounting plate part is inserted between the upper wall part of the sealant main body and the upper surface of the contact surface of the fixing member, the protrusion provided on the lower surface of the upper wall part contacts the upper surface of the sealing material mounting plate, and the contact surface of the fixing member contacts the lower surface of the sealing material mounting plate, thereby clamping the sealing material mounting plate in the vertical direction. At this time, since the protrusion is made of an elastic material, the protrusion is elastically deformed. On the other hand, since the fixing member is made of a hard material, it is hardly deformed when it comes into contact with the sealing material mounting plate, and the end portion of the sealing material can be positioned at a predetermined position.

Since the protrusion is made of an elastic material, the protrusion deforms elastically even if the distance between the tip of the protrusion and the contact surface of the fixing member is set to be narrower than the thickness of the sealant mounting plate. This makes it possible to easily insert the sealing material attachment plate between the protrusion and the contact surface, reducing the force required for attachment. After installation, since the protruding portion is elastically deformed, rattling against the sealing material mounting plate portion is less likely to occur, and generation of abnormal noise is suppressed.

A second aspect of the invention is characterized in that the fixing member includes a clamping portion that vertically clamps the lower wall portion of the sealing material main body and abuts on the lower surface of the sealing material mounting plate portion. .

According to this configuration, the clamping portion of the fixing member vertically clamps the lower wall portion of the end portion of the sealant main body, so that the fixing member is reliably fixed to the sealant main body.

A third aspect of the invention is characterized in that the fixing member includes an abutting plate portion that extends from the holding portion to a side opposite to the terminal portion and that abuts the lower surface of the lower wall portion of the sealing material main body. shall be.

According to this configuration, when the abutting plate portion comes into contact with the lower surface of the lower wall portion of the sealing material main body, the portion of the fixing member away from the clamping portion is supported by the lower wall portion, and the fixing member is stable when attached to the sealing material body.

A fourth aspect of the present invention is that the terminal portion includes a vertically extending end portion of the upper wall portion on one side in the longitudinal direction of the vehicle to an end portion of the lower wall portion on one side in the longitudinal direction of the vehicle; is provided with an end wall portion that extends continuously into the vehicle interior at an end portion on one side in the longitudinal direction of the vehicle, and the fixing member is provided with an end wall portion that comes into contact with a surface of the end wall portion located on the other side in the longitudinal direction of the vehicle. It is characterized by having a contact part.

According to this configuration, by bringing the end wall abutting portion of the fixing member into contact with the end wall portion of the sealing material, the fixing member can be positioned with respect to the sealing material in the longitudinal direction of the vehicle.

In a fifth aspect of the invention, the sealing material mounting plate section includes a first plate section located on the lower side and a second plate section superimposed on the upper surface of the first plate section, and An end portion on one side in the vehicle longitudinal direction is located on the other side than an end portion on the one side in the vehicle longitudinal direction of the second plate portion, and the first plate A first abutting surface that abuts on the lower surface of the part and a second abutting surface that abuts on the lower surface of the second plate part are formed, and a contact surface between the first abutting surface and the second abutting surface is formed. It is characterized in that a stepped portion is formed in between so that the second abutting surface is located above the first abutting surface.

According to this configuration, when the sealing material mounting plate part is constituted by the first plate part and the second plate part, the first contact surface of the fixing member is brought into contact with the lower surface of the first plate part, and The second contact surface of the fixing member can be brought into contact with the lower surface of the second plate part, and the area of contact with the sealing material attachment plate part can be increased. At this time, the fixing member can be positioned with respect to the sealing material by the stepped portion.

A sixth aspect of the present invention is characterized in that the surface of the holding portion of the fixing member on the inside of the vehicle interior is inclined or curved so that the surface thereof is located on the outside of the vehicle interior as it goes upward.

According to this configuration, when the sealing material having the fixing member is attached to the sealing material mounting plate, when the sealing material mounting plate hits the passenger compartment side surface of the clamping part of the fixing member, the surface is Since it is located further to the outside of the vehicle interior, the sealing material mounting plate portion can be guided to the upper surface of the holding portion by this surface. In other words, the surface of the holding portion of the fixing member on the inside of the vehicle compartment serves as a guide surface that guides the sealing material mounting plate portion to the upper surface of the holding portion.

A seventh invention is characterized in that the protruding portion is provided closer to the inside in the vehicle width direction than the position where the fixing member contacts the sealing material mounting plate portion.

According to this configuration, it is possible to suppress upward rotation of the sealing material.

According to the present invention, the protrusion made of an elastic material is provided on the upper wall of the sealant, and the sealant mounting plate is vertically held between the protrusion and the abutting surface. While reducing the force required for installation, it is possible to eliminate rattling after installation and suppress the generation of abnormal noise.

FIG. 1 is a right side view of an automobile equipped with an automobile door according to an embodiment of the present invention. 2 is a sectional view taken along line II-II in FIG. 1. FIG. FIG. 3 is a view of the upper rear side of the right rear door viewed from outside the vehicle interior. FIG. 2 is a view of the rear door window frame and fixed glass seen from outside the vehicle interior before a sealing material is attached. 5 is an enlarged view of section A shown in FIG. 4. FIG. FIG. 3 is a side view of the sealing material seen from outside the vehicle interior. FIG. 3 is a perspective view of the sealing material seen from the inside of the vehicle interior and from the rear side. FIG. 3 is a view from below of the rear side of the sealing material to which the fixing member is attached. FIG. 9 is a view corresponding to FIG. 8 with the fixing member removed. FIG. 3 is a side view of the fixing member viewed from inside the vehicle interior. 11 is a sectional view taken along the line XI-XI in FIG. 10. FIG. 11 is a sectional view taken along the line XII-XII in FIG. 10. FIG. FIG. 4 is a view corresponding to FIG. 3 in which a sealing material is shown with imaginary lines. 4 is a sectional view taken along the line XIV-XIV in FIG. 3. FIG. 4 is a sectional view taken along the line XV-XV in FIG. 3. FIG. 4 is a sectional view taken along the line XVI-XVI in FIG. 3. FIG. 4 is a sectional view taken along the line XVII-XVII in FIG. 3. FIG.

Hereinafter, embodiments of the present invention will be described in detail based on the drawings. Note that the following description of preferred embodiments is essentially just an example, and is not intended to limit the present invention, its applications, or its uses.

FIG. 1 is a right side view of an automobile 100 according to an embodiment of the present invention. A front door 101 and a rear door 102 are provided on both left and right sides of the automobile 100, respectively. The front door 101 has a front end rotatably attached to the vehicle body via a hinge (not shown). Further, the rear door 102 is rotatably attached to the vehicle body at a rear end via a hinge (not shown).

In this embodiment, a case will be described in which the present invention is applied to a rear door 102 that is a double door, but the present invention is not limited to this, and the present invention can also be applied to a front door 101. Further, it can be applied to either the left or right door 101, 102. Furthermore, although the present invention will be explained by exemplifying a side double door of an automobile, the present invention can also be applied to a double double door provided at the rear of an automobile. Further, the present invention can also be applied to ordinary hinged doors other than double doors. In the description of this embodiment, the front side of the vehicle will be simply referred to as "front", and the rear side of the vehicle will simply be referred to as "rear".

(Door configuration)
As shown in FIG. 1, the front door 101 includes a door body 203 that constitutes approximately the lower half of the front door 101, and a wind frame 204 that constitutes approximately the upper half of the front door 101. is provided with an elevating glass G1 that can be moved up and down. The front end of the door body 203 is attached to the vehicle body via the hinge, and opens and closes by rotating around the axis of the hinge.

A window regulator (not shown) for raising and lowering the elevating glass G1 is housed inside the door body 203. The elevating glass G1 is in an open state in a lowered state and is housed inside the door body 203.

On the other hand, the rear door 102 has its rear end attached to the vehicle body via the hinge, and opens and closes by rotating around the axis of the hinge. As shown in FIG. 2, the right rear door 102 includes an inner panel 105 made of a press-molded product that forms the inside of the vehicle interior, and an outer panel 106 made of a press-molded product that forms the outside of the vehicle interior of the rear door 102. . Inner panel 105 and outer panel 106 are made of, for example, a steel plate.

As shown in FIGS. 1 and 2, the window frame 104, which constitutes approximately the upper half of the rear door 102, is a frame-shaped member that supports the peripheral edge of the fixed glass G2, and is a fixed glass that is closed by the fixed glass G2. An opening 108 for use is formed. The wind frame 104 has a front frame vertical side portion 104a, a rear frame vertical side portion 104b, and a frame upper side portion 104c. The front frame vertical side portion 104a extends in the vertical direction at the front portion of the rear door 102. The rear frame vertical side portion 104b extends in the vertical direction at the rear of the rear door 102. Further, the frame upper side 104c extends from the upper end of the front frame vertical side 104a to the upper end of the rear frame vertical side 104b. The frame upper side 104c is gently curved so that the rear end is located lower than the front end. For example, in the case of the front door 101, the upper side of the frame is gently curved so that the front end is located lower than the rear end, and the present invention can also be applied to this curved shape.

As shown in FIG. 1, the belt line portion 107 of the rear door 102 is a portion that extends in the front-rear direction from the front frame vertical side portion 104a to the rear frame vertical side portion 104b along the lower edge of the fixed glass opening 108. be.

Further, a rear opening 111 that is closed by a fixed glass G3 is provided in a portion of the vehicle body rearward of the rear door 102. The size of the rear opening 111 is set smaller than the window glass opening 108, but this is due to vehicle design requirements, and the rear opening 111 and fixed glass G3 are omitted. It may all be a vehicle body.

As shown in FIG. 2, the inner panel 105 is formed by integrally press-molding a portion that constitutes the window frame 104 and a portion that constitutes the door body 103. In the upper half of the inner panel 105, which constitutes the wind frame 104, an inner frame bulge portion 105a that bulges toward the inside of the vehicle interior is formed. In the upper half of the outer panel 106, which constitutes the wind frame 104, an outer frame bulge 106a is formed which bulges out to the outside of the vehicle interior. Thereby, the cross section of the peripheral portion of the wind frame 104 can be expanded in the direction of the interior and exterior of the vehicle interior, and the strength of the wind frame 104 can be improved.

A portion of the inner panel 105 below the inner frame bulging portion 105a is an inner joining plate portion 105b extending in the vertical direction. A portion of the outer panel 106 below the outer frame bulging portion 106a is an outer joint plate portion 106b that extends in the vertical direction along the inner joint plate portion 105b. The inner joint plate portion 105b and the outer joint plate portion 106b are joined by welding or the like in an overlapping state.

A portion of the inner panel 105 above the inner frame bulging portion 105a is an upper protruding plate portion 105c that protrudes toward the outside of the vehicle interior and extends continuously in the front-rear direction. A portion of the outer panel 106 above the outer frame bulging portion 106a is a lower protruding plate portion 106c that protrudes toward the outside of the vehicle interior along the lower surface of the upper protruding plate portion 105c and extends continuously in the front-rear direction. The upper protruding plate portion 105c and the lower protruding plate portion 106c are joined by welding or the like in an overlapping state. The upper protruding plate part 105c and the lower protruding plate part 106c form a sealing material mounting plate part 112 in the upper part of the wind frame 104 that protrudes from the upper part of the wind frame 104 to the outside of the vehicle interior and extends in the front-rear direction. Become. In other words, the sealing material mounting plate part 112 includes a lower protruding plate part (first plate part) 106c located on the lower side, and an upper protruding plate part (second plate part) superimposed on the upper surface of the lower protruding plate part 106c. part) 105c.

As shown in FIG. 5, the rear end 106cE (end on one side in the vehicle longitudinal direction) of the lower protruding plate part 106c is the rear end 105cE (end on one side in the longitudinal direction of the vehicle) of the upper protruding plate part 105c. It is located further forward than the Therefore, the upper protruding plate portion 105c extends to the rear side than the lower protruding plate portion 106c, and the portion rearward of the rear end portion 106cE of the lower protruding plate portion 106c of the sealing material mounting plate portion 112 is It is composed of only the plate portion 105c.

The upper protruding plate portion 105c is provided with a plurality of cut-and-raised portions 105d that protrude upward and are spaced apart from each other in the front-rear direction. As will be described later, the cut and raised portion 105d is a means for fixing the sealing material 10. The shape and number of the cut and raised portions 105d can be set arbitrarily. Since FIG. 2 is a cross section of a portion where the cut and raised portion 105d is formed, the lower protruding plate portion 106c and the cut and raised portion 105d are vertically apart, but the cross section of the portion where the cut and raised portion 105d is not formed. (not shown), the upper protruding plate part 105c and the lower protruding plate part 106c are in contact in a section up to the end on the outside of the vehicle interior.

Fixed glass G2 is attached to wind frame 104 with adhesive 113. As the adhesive 113, a conventionally known adhesive for automobile glass can be used. The adhesive 113 is applied continuously in the circumferential direction near the peripheral edge of the fixed glass G2. The upper edge of the fixed glass G2 is spaced downward from the lower surface of the sealing material mounting plate 112 of the wind frame 104, and a gap into which a part of the sealing material 10 described later can be inserted is provided at the upper edge of the fixed glass G2. and the lower surface of the sealing material mounting plate part 112.

(vehicle roof panel)
As shown in FIG. 2, the roof panel 120 of the vehicle body extends in the front-rear direction with a predetermined gap B formed between the roof panel 120 and the wind frame 104. As shown in FIG. An outer panel portion 120a extending upward is provided at the end of the roof panel 120 on the outside of the vehicle interior. An inner portion 120b of the roof panel 120 located closer to the vehicle interior than the outer panel portion 120a extends downwardly toward the vehicle interior. Further, at the inner end of the inner portion 120b of the roof panel 120, an inner plate portion 120c is provided that extends downward toward the outside of the vehicle interior.

(weather strip)
A weather strip 140 is provided on the rear door 102. The weather strip 140 is a long member made of an elastic material such as rubber and formed to surround the outer peripheral surface of the window frame 104 of the rear door 102 and the outer peripheral surface of the door body 103. The weather strip 140 is provided with a mounting base 140a. The mounting base 140a is a portion that is fixed to the outer circumferential surface of the wind frame 104 and the outer circumferential surface of the door body 103, and is fixed with, for example, double-sided tape or a clip (not shown). The weather strip 140 is provided with a hollow portion 140b. The hollow portion 140b is a portion that contacts the inner portion 120b of the roof panel 120 and elastically deforms when the rear door 102 is in the closed state. Thereby, the space between the outer peripheral surface of the wind frame 104 and the roof panel 120 is sealed.

(Seal material)
As shown in FIG. 2, the sealing material 10 is a member for sealing between the wind frame 104 and the fixed glass G2, and also between the outer peripheral surface of the wind frame 104 and the roof panel 120. The sealing material 10 is disposed on the outside of the vehicle cabin rather than the weather strip 140, and is attached to the sealing material mounting plate portion 112 of the wind frame 104 from the outside of the vehicle interior, that is, from the tip side in the protruding direction of the sealing material mounting plate portion 112. It has become. As shown in FIG. 1, when the sealing material 10 attached to the frame upper side 104c of the wind frame 104 is viewed from the side, the rear end of the sealing material 10 corresponds to the shape of the frame upper side 104c. It is gently curved so that it is positioned lower than the front end.

The sealing material 10 includes a sealing material main body 10A that extends in the longitudinal direction of the vehicle along the sealing material mounting plate portion 112 and is produced by extrusion molding, terminal portions 20 and 21, and a fixing member 40 (shown by broken lines in FIG. 7). ). As shown in FIG. 6, a rear end portion 20 is provided at the rear portion of the sealant main body 10A, and a front end portion 21 is provided at the front portion of the sealant main body 10A. The rear end portion 20 and the front end portion 21 are formed by molded parts made of an elastic material. As the material of the rear end portion 20 and the front end portion 21, the same materials as those of the lip portions 14 and 15, which will be described later, can be exemplified.

As shown in FIG. 7, the fixing member 40 is a member that is provided at the end of the sealing material 10 and is made of a harder material than the end portion 20. As the material of the fixing member 40, the same material as the material of the core material 10Aa described later can be exemplified.

First, the sealing material main body 10A will be explained. As shown in FIG. 2, the sealing material body 10A is provided with an upper wall 11, a lower wall 12, and an outer wall 13. The portion 13 is integrally molded from, for example, hard resin. The upper wall portion 11, the lower wall portion 12, and the outer wall portion 13 constitute a core material 10Aa. The hard resin constituting the core material 10Aa can be, for example, a resin mixed with talc or glass fiber, and the upper wall portion 11, the lower wall portion 12, and the outer wall portion 13 serve as the core material 10Aa of the sealing material 10. Function. The upper wall portion 11, the lower wall portion 12, and the outer wall portion 13 are made of hard resin and therefore have high rigidity. It is configured to be elastically deformed.

The upper wall portion 11 is a portion that is disposed above the sealant attachment plate portion 112 of the wind frame 104, extends in the front-rear direction, and is fixed to the sealant attachment plate portion 112. The lower wall portion 12 is a portion that is disposed below the sealant mounting plate portion 112 of the wind frame 104 and extends in the front-rear direction. The outer wall 13 extends from the outer end of the upper wall 11 to the outer end of the lower wall 12 in the front-rear direction, and is a portion connecting the upper wall 11 and the lower wall 12. be.

A groove M is formed between the upper wall part 11 and the lower wall part 12 of the sealing material 10 and opens to the inside of the vehicle interior. When attaching the sealant 10 to the sealant attachment plate part 112 of the wind frame 104, the groove part M is attached to the sealant attachment plate part 112. An upper protrusion 11a that protrudes downward is formed on the lower surface of the upper wall 11 on the inside of the vehicle interior so as to be located directly above an inclined portion 12a, which will be described later.

The surface of the upper protrusion 11a on the outside of the vehicle interior is constituted by a vertical surface portion 11b extending in the vertical direction. By providing the vertical surface portion 11b, the upper protrusion portion 11a can be reliably engaged with the cut-and-raised portion 105d. The surface of the upper protrusion 11a on the inside of the vehicle interior is formed of an inclined surface 11c that is positioned upward toward the interior of the vehicle interior.

As shown in FIG. 2, an inner lip portion 14 is formed on the interior side of the upper wall portion 11 of the sealing material 10 so as to protrude upward and extend in the front-rear direction. Further, an outer lip portion 15 is formed on the outside of the vehicle interior of the upper wall portion 11 of the sealing material 10 so as to protrude upward and extend in the front-rear direction. The inner lip part 14 and the outer lip part 15 are made of an elastic material, and are inclined so that as they go upward, they are positioned further outside the vehicle interior. The inner lip part 14 and the outer lip part 15 are made of an elastic material that is softer than the hard resin that makes up the upper wall part 11 , the lower wall part 12 , and the outer wall part 13 . Examples of this elastic material include thermoplastic elastomers such as styrene thermoplastic elastomer (TPS) and olefin thermoplastic elastomer (TPO), and rubber such as ethylene propylene diene rubber (EPDM). It is not limited to.

As shown in FIG. 2, when the rear door 102 is in the closed state, the inner lip part 14 and the outer lip part 15 contact the inner part 120b of the roof panel 120 and are elastically deformed. A seal is formed between the roof panel 120 and the roof panel 120.

An upper convex portion 16a that projects upward and extends in the front-rear direction is formed at the end portion of the upper plate portion 11 on the vehicle interior side. The upper convex portion 16a is formed so as to come into elastic contact with the end portion of the weather strip 140 on the outside of the vehicle interior. A lower convex portion 16b that protrudes downward and extends in the front-rear direction is formed at the end of the upper plate portion 11 on the vehicle interior side. The lower convex portion 16b is formed to come into elastic contact with the upper surface of the upper protruding plate portion 105c of the inner panel 105. The upper convex portion 16a and the lower convex portion 16b are made of the same elastic material as the inner lip portion 14 and the outer lip portion 15.

An extension plate part 17 is provided at the lower part of the outer wall part 13 of the sealing material 10, and extends downward and also extends in the front-rear direction. The extension plate part 17 is made of the same elastic material as the inner lip part 14 and the outer lip part 15. The lower end of the extension plate portion 17 is located below the upper edge of the fixed glass G2. An outer surface contact portion 17a is formed at the lower end of the extension plate portion 17, and is bent upward toward the interior of the vehicle, and comes into elastic contact with the outer surface of the fixed glass G2.

The lower wall portion 12 of the sealing material 10 is provided with an inclined portion 12a that slopes downward toward the passenger compartment side. The inclined portion 12a may be curved. This inclined portion 12a is made of the above-mentioned hard resin, but can be bent and deformed in the vertical direction when it is attached to the sealing material attachment plate portion 112. The upper protrusion 11a is located directly above the inclined portion 12a. An inclined lip portion 18 is provided at the end portion of the inclined portion 12a in the vehicle interior. The inclined lip part 18 is made of the same elastic material as the inner lip part 14 and the outer lip part 15, and therefore, the line indicated by the symbol L in FIG. 2 is a part of the core material 10Aa made of a hard material. This forms a material boundary between the inclined portion 12a and the inclined lip portion 18 made of a soft material.

The inclined lip portion 18 extends toward the interior of the vehicle while being inclined like the inclined portion 12a, and a bent portion 18a that is bent upward is integrally molded at the end portion of the lip on the interior side of the vehicle. The tip of the bent portion 18a is located below the lower wall portion 12. As shown in FIG. 2, the bent portion 18a contacts the outer panel 106 and is elastically deformed. By providing the inclined portion 12a, it is possible to ensure a wide distance between the upper wall portion 11 and the lower wall portion 12 on the vehicle interior side.

The lower wall portion 12 is provided with an end face seal lip portion 19 made of an elastic material and protruding downward. The end face seal lip portion 19 is made of the same elastic material as the inner lip portion 14 and the outer lip portion 15. A support part 12b that protrudes downward and extends in the front-back direction and supports the end face seal lip part 19 is integrally molded on the lower surface of the lower wall part 12, and the end face seal lip part 19 is attached to the tip of the support part 12b. The proximal end (upper end) of is connected. By providing the support portion 12b of the end face seal lip portion 19, the rigidity of the vicinity of the base end portion of the end face seal lip portion 19 can be improved. Note that the support portion 12b of the end face seal lip portion 19 may be omitted.

As shown in FIG. 2, a gap S is formed between the tip of the end face seal lip 19 in the protruding direction that is in contact with the upper edge of the fixed glass G2 and the lower surface of the lower wall 12. The vertical dimension of the gap S increases toward the outside of the vehicle interior. By forming the gap S, even if the mounting position of the fixed glass G2 is slightly shifted upward within the tolerance range, the end seal lip portion 19 will not interfere strongly with the lower surface of the lower wall portion 12. Assembling workability can be improved.

As shown in FIG. 3, an end wall portion 22 is provided at the rear end portion 20 of the sealing material main body 10A. Further, a resin material G2a is attached to the rear side of the fixed glass G2. As shown in FIG. 7, the end wall 22 extends in the vertical direction from the rear end of the upper wall 11 to the rear end of the lower wall 12, and extends from the rear end of the outer wall 13. Continuing from the end, it also extends toward the interior of the vehicle. An extension wall 23 extending downward is provided at the lower part of the end wall 22. A lower end portion of the extension wall portion 23 is continuous with a lower end portion of the extension plate portion 17.

An inner wall portion 24 is provided on the interior side of the rear terminal portion 20. The inner wall portion 24 extends downward from the end portion of the upper wall portion 11 in the vehicle interior, and also extends in the front-rear direction. A lower end portion of the inner wall portion 24 is continuous with a lower end portion of the extension wall portion 23. Further, the rear end portion of the inner wall portion 24 is continuous with the end portions of the end wall portion 22 and the extension wall portion 23 in the vehicle interior.

As shown in FIG. 9, the lower surfaces of the upper walls 11 and 27 of the sealing material 10 are provided with a rear protrusion 25 and a front protrusion 26 that protrude downward and come into contact with the upper surface of the sealant mounting plate 112. ing. The rear protrusion 25 and the front protrusion 26 are positioned closer to the inside in the vehicle width direction than the position where the fixing member 40 contacts the sealing material attachment plate 112. The rear protrusion 25 and the front protrusion 26 are made of the above elastic material. The rear protrusion 25 is composed of a protrusion extending from the interior end of the upper wall 11 to near the outer end, and is inclined with respect to the front-rear direction so that it is positioned further back toward the outside of the vehicle interior. ing. FIG. 16 shows a state in which the rear protrusion 25 is in contact with the upper surface of the sealant mounting plate 112. It is beginning to transform.

The front protrusion 26 is provided away from the rear protrusion 25 toward the front of the vehicle, and is constituted by a protrusion extending from the interior end of the upper wall 11 to near the outer end. This front protrusion 26 is also inclined with respect to the front-rear direction so as to be positioned further back toward the outside of the vehicle interior. FIG. 17 shows a state in which the front protrusion 26 is in contact with the upper surface of the sealant mounting plate 112, and the front protrusion 26 is also elastically deformed while in contact with the upper surface of the sealant mounting plate 112. It looks like this. Although not shown, only one of the rear protrusion 25 and the front protrusion 26 may be provided, or three or more protrusions may be provided. Further, the rear protrusion 25 and the front protrusion 26 may be configured with a protrusion extending in the vehicle width direction, or may be configured with a protrusion extending in the front-rear direction. The inclination angles of the rear protrusion 25 and the front protrusion 26 with respect to the front-back direction may be the same or may be different from each other.

Next, the configuration of the fixing member 40 shown in FIG. 10 will be explained. As shown in FIG. 7, the fixing member 40 is inserted into the rear end portion of the sealing material 10 and fixed to the rear end portion 20. The fixing member 40 has an overall long shape in the front-rear direction. As shown in FIG. 15, the rear portion of the fixing member 40 is provided with a clamping portion 41 that vertically clamps the lower wall portion 12 of the rear end portion 20 of the sealing material main body 10A. Further, on the front side of the fixing member 40, a contact member is fixed to the lower wall portion 12 of the sealing material main body 10A and extends inward from the lower wall portion 12 in the vehicle width direction, and is in contact with the lower surface of the sealing material mounting plate portion. A contact plate portion 42 is provided.

As also shown in FIG. 11, the holding portion 41 includes a lower plate portion 41a that contacts the lower surface of the lower wall portion 12, an upper plate portion 41b that contacts the upper surface of the lower wall portion 12, and The inner plate portion 41c extends from the end portion to the end portion of the upper plate portion 41b in the vehicle interior. The lower plate portion 41a extends in the front-rear direction along the lower surface of the lower wall portion 12. The upper plate part 41b extends in the front-rear direction along the upper surface of the lower wall part 12, and is substantially parallel to the lower plate part 41a.

The distance between the lower plate part 41a and the upper plate part 41b corresponds to the thickness of the lower wall part 12 of the sealing material main body 10A, and the lower wall part 12 is placed between the lower plate part 41a and the upper plate part 41b. In the inserted state, it can be held between the lower plate part 41a and the upper plate part 41b in the thickness direction. In the state where the lower wall part 12 is clamped, the clamping part 41 is prevented from shaking relative to the lower wall part 12.

As shown in FIGS. 10 and 16, on the front side of the upper surface of the upper plate portion 41b, a sealing material mounting plate portion 112 is fixed to the lower wall portion 12 and extends inward in the vehicle width direction from the lower wall portion 12. A first contact surface 41d is formed to contact the lower surface of the lower protruding plate portion 106c. This first contact surface 41d extends in the front-rear direction along the lower surface of the lower protruding plate portion 106c. As shown in FIGS. 10 and 15, on the rear side of the first contact surface 41d on the upper surface of the upper plate portion 41b, there is a groove fixed to the lower wall portion 12 and extending inward in the vehicle width direction from the lower wall portion 12. At the same time, a second contact surface 41e is formed that contacts the lower surface of the upper protruding plate portion 105c of the sealing material attachment plate portion 112. The second contact surface 41e extends in the front-rear direction along the lower surface of the upper protruding plate portion 105c.

As described above with reference to FIG. 5, the rear end 105cE of the upper protruding plate 105c is located behind the rear end 106cE of the lower protruding plate 106c, and the rear end 105cE of the upper protruding plate 105c is located behind the first contact surface 41d. A second contact surface 41e is formed, and this second contact surface 41e is located above the first contact surface 41d. The upper surface of the upper plate portion 41b has a stepped portion between the first contact surface 41d and the second contact surface 41e such that the second contact surface 41e is located above the first contact surface 41d. 41f is formed. The step portion 41f is formed along the rear end portion 106cE of the lower protruding plate portion 106c. FIG. 13 shows a state in which the rear end portion 106cE of the lower protruding plate portion 106c comes into contact with this step portion 41f from the front, and in this FIG. 13, the sealing material 10 is indicated by an imaginary line.

The rear protrusion 25 and front protrusion 26 of the sealant 10 and the first abutment surface 41d and second abutment surface 41e, which are the upper surfaces of the clamping part 41 of the fixing member 40, allow the sealant mounting plate part 112 to be mounted. Clamp in the vertical direction. That is, as shown in FIG. 16, the interval T2 between the lower ends of the rear protrusion 25 and the front protrusion 26 and the upper surface of the holding part 41 is set shorter than the thickness T1 of the sealant mounting plate part 112. There is. By inserting the sealing material attachment plate portion 112 between the rear protrusion 25 and the front protrusion 26 and the first contact surface 41d and the second contact surface 41e, the rear protrusion 25 and the front protrusion 26 are removed. The fixing member 40 can be fixed to the sealing material mounting plate portion 112 without being elastically deformed and wobbling.

As shown in FIG. 10, the contact plate portion 42 extends from the holding portion 41 to the opposite side (front side) from the rear end portion 20. As shown in FIG. The upper surface of this contact plate portion 42 contacts the lower surface of the lower wall portion 12 of the sealing material main body 10A. As a result, the portion of the fixing member 40 remote from the clamping portion 41 is supported by the lower wall portion 12 of the sealing material main body 10A, and the fixing member 40 is stabilized in a state attached to the sealing material 10.

As shown in FIG. 8, an end wall abutting portion 43 is provided at the rear end portion of the fixing member 40. As shown in FIG. The end wall contact portion 43 is a portion that contacts the front surface of the end wall portion 22 when the fixing member 40 is attached to the sealing material 10, and extends in the vertical direction and in the interior and exterior directions of the vehicle interior. By bringing the end wall contact portion 43 into contact with the end wall portion 22 of the sealing material 10, it is possible to position the fixing member 40 with respect to the sealing material 10 in the longitudinal direction of the vehicle.

As shown in FIGS. 11, 15, etc., the surface of the holding part 41 of the fixing member 40 on the passenger compartment side is held against the sealing material mounting plate part 112 when the sealing material 1 is attached to the sealing material mounting plate part 112. It serves as a guide surface 44 that guides the portion 41 to its upper surface. The guide surface 44 is inclined so that the higher it goes above the guide surface 44, the more the guide surface 44 is located on the outer side of the vehicle interior, and is formed of an inclined surface. Although not shown, the guide surface 44 may be formed of a curved surface that is curved so that the higher it goes above the guide surface 44, the more it is located on the outer side of the vehicle interior.

(Installation instructions for sealing material 10)
Next, a procedure for attaching the sealant 10 configured as described above to the sealant attachment plate portion 112 will be described. First, as shown in FIGS. 9, 14, and 8, the fixing member 40 is attached to the sealing material 10 and integrated. In this step, the fixing member 40 is attached to the inside of the sealing material 10 from between the extension plate part 17 and the inner wall part 24 of the sealing material 10. Then, as shown in FIG. 15, the holding part 41 of the fixing member 40 is inserted into the lower wall part 12 of the rear end part 20 of the sealing material 10.

Further, as shown in FIG. 8, the end wall contact portion 43 of the fixing member 40 is brought into contact with the end wall portion 22 of the sealing material 10. Further, the contact plate portion 42 is brought into contact with the lower surface of the lower wall portion 12 of the sealing material 10. Further, here, the fixed member 40 has a stepped portion 45 so that the width of the abutting plate portion 42 in the vehicle inner and outer directions is narrower than that of the holding portion 41 . With this structure, when the abutment plate part 42 is brought into contact with the lower surface of the lower wall part 12 of the sealing material main body 10A, it does not interfere with the support part 12b.

Further, by setting the step portion 45 at a position where it contacts the rear end portion of the support portion 12b, the fixing member 40 can be positioned with respect to the sealing material 10 in the front-rear direction. Furthermore, after the abutting plate part 42 is brought into contact with the lower surface of the lower wall part 12 of the sealing material main body 10A, the abutting plate part 42 can be supported from below by the end face seal lip part 19, so that the abutting plate part 42 can be fixed. The member 40 is more firmly fixed to the sealing material 10. In FIG. 2, the positional relationship of the abutting plate portion 42 is indicated by broken lines.

As a result, the fixing member 40 is attached to the sealing material 10 and is held in a state where it is positioned in the front-rear direction and the interior/exterior direction of the vehicle interior, so that the fixing member 40 does not fall off from the sealing material 10.

Thereafter, as shown in FIG. 2, the sealing material 10 is attached to the sealing material mounting plate section 112. First, the sealing material 10 is placed on the outer side of the vehicle interior than the sealing material mounting plate part 112, and the sealing material 10 is moved from there to the vehicle interior side, and the sealing material mounting plate part 112 is placed in the groove part M of the sealing material 10. insert.

Then, as shown in FIGS. 15 and 16, the rear protrusion 25 and front protrusion 26 of the sealing material 10 and the first abutting surface 41d and second abutting surface 41e of the holding part 41 of the fixing member 40 A sealing material mounting plate portion 112 is inserted between the two. The rear protrusion 25 and the front protrusion 26 are in contact with the upper surface of the sealant mounting plate 112, and the first contact surface 41d and the second contact surface 41e of the fixing member 40 are in contact with the lower surface of the sealant mounting plate 112. As a result, the sealing material 10 is attached to the sealing material mounting plate part 112 with the sealing material mounting plate part 112 being sandwiched therebetween.

(Operations and effects of embodiments)
As described above, according to this embodiment, since the rear protrusion 25 and the front protrusion 26 are made of an elastic material, the rear protrusion 25 and the front protrusion 26 can be elastically deformed. On the other hand, since the fixing member 40 is made of a hard material, it is hardly deformed when it comes into contact with the sealing material mounting plate part 112, and the rear end part 20 of the sealing material 1 can be positioned at a predetermined position.

In particular, if the sealing material 10 is gently curved so that the rear end of the sealing material 10 is located below the front end, the rear end of the sealing material 10 may tend to displace upward. However, in this embodiment, the fixing member 40 made of hard resin is in contact with the lower surface of the sealing material mounting plate portion 112, so that upward displacement of the rear end of the sealing material 10 is suppressed and the sealing material 10 is kept in its normal position. It can be held with

On the other hand, as shown in FIG. 16, the interval T2 between the lower ends of the rear protrusion 25 and the front protrusion 26 and the upper surface of the clamping part 41 of the fixing member 40 is set to be narrower than the thickness T1 of the sealing material mounting plate part 112. Even if the protruding parts 25 and 26 are elastically deformed, the sealant mounting plate part 112 can be easily inserted between the protruding parts 25 and 26 and the clamping part 41, and the installation time is reduced. The force becomes smaller. After installation, since the protrusions 25 and 26 are elastically deformed, rattling against the sealing material mounting plate part 112 is less likely to occur, and generation of abnormal noise and deterioration of appearance are suppressed.

The embodiments described above are merely illustrative in all respects and should not be interpreted in a limiting manner. Furthermore, all modifications and changes that come within the scope of equivalents of the claims are intended to be within the scope of the present invention.

As explained above, the present invention can be applied to, for example, a sealing material attached to a wind frame of an automobile.

10 Seal material 10A Seal material body 10Aa Core material 11 Upper wall portion 12 Lower wall portion 13 Outer wall portion 20 Rear end portion 22 End wall portion 40 Fixing member 41 Holding portion 41d First contact surface 41e Second contact surface 41f Step portion 42 Contact plate portion 43 End wall contact portion 44 Guide surface 102 Rear door 104 Wind frame 112 Mounting plate portion

Claims (7)

A sealing material for an automobile that is attached to a sealing material mounting plate portion that protrudes from a member constituting an automobile door and extends in the longitudinal direction of the vehicle from the distal end side in the protruding direction of the sealing material mounting plate portion,
The sealing material is integrally formed with an extruded sealing material body extending in the vehicle longitudinal direction along the sealing material mounting plate portion, and an end portion of the sealing material body on one side in the vehicle longitudinal direction; comprising an end portion made of an elastic material, and a fixing member provided between the end portion of the sealing material main body and the end portion and made of a harder material than the end portion,
The sealing material main body includes an upper wall portion disposed above the sealing material mounting plate portion and extending in the longitudinal direction of the vehicle, and a lower wall portion disposed below the sealing material mounting plate portion and extending in the longitudinal direction of the vehicle. and an outer wall portion extending from the upper wall portion outside the vehicle interior to the lower wall portion outside the vehicle interior,
The terminal section includes a terminal upper wall section,
A protrusion that protrudes downward and comes into contact with the upper surface of the sealant mounting plate is provided on the lower surface of the upper wall of the sealing material main body and/or the lower surface of the terminal upper wall of the terminal portion,
The fixing member is fixed to the lower wall portion of the sealant main body and extends inward in the vehicle width direction from the lower wall portion, and includes a contact surface that comes into contact with a lower surface of the sealant mounting plate portion,
A sealing material for an automobile, wherein the sealing material mounting plate portion is held between the protruding portion and the contact surface of the fixing member. The automotive sealing material according to claim 1,
The sealing material for an automobile, characterized in that the fixing member includes a holding portion that vertically holds the lower wall portion of the sealing material main body and abuts on a lower surface of the sealing material mounting plate portion. The automotive sealing material according to claim 2,
The sealing material for an automobile, wherein the fixing member includes an abutting plate portion that extends from the holding portion to a side opposite to the terminal portion and abuts a lower surface of the lower wall portion of the sealing material main body. . The automotive sealing material according to claim 2 or 3,
The terminal portion extends vertically from an end on one side in the vehicle longitudinal direction of the upper wall portion to an end on one side in the vehicle longitudinal direction of the lower wall portion, and includes an end portion on one side in the vehicle longitudinal direction of the outer wall portion. An end wall portion is provided that extends continuously to the inside of the vehicle interior.
The sealing material for an automobile, wherein the fixing member includes an end wall abutting portion that abuts a surface of the end wall portion located on the other side in the longitudinal direction of the vehicle. The automotive sealing material according to any one of claims 2 to 4,
The sealing material mounting plate portion includes a first plate portion located on the lower side, and a second plate portion overlaid on the upper surface of the first plate portion, and includes a second plate portion on one side of the first plate portion in the longitudinal direction of the vehicle. The end portion is located on the other side of the second plate portion on one side in the vehicle longitudinal direction,
A first contact surface that contacts the lower surface of the first plate portion and a second contact surface that contacts the lower surface of the second plate portion are formed on the upper surface of the holding portion of the fixing member. , a stepped portion is formed between the first abutting surface and the second abutting surface such that the second abutting surface is located above the first abutting surface. Automotive sealing material. The automotive sealing material according to any one of claims 2 to 5,
A sealing material for an automobile, characterized in that a surface of the holding portion of the fixing member on the inside of the vehicle interior is inclined or curved so as to be located on the outside of the vehicle interior as it goes upward. The automotive sealing material according to any one of claims 2 to 6,
The sealing material for an automobile, wherein the protruding portion is provided closer to the inside in the vehicle width direction than the position where the fixing member contacts the sealing material mounting plate portion.

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