JP2011131621A - Glass run - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a glass run capable of suppressing the vibration of door glass and suppressing an increase in weight or the like. <P>SOLUTION: The glass run 5 includes: a base 14; a body 11 which includes sidewalls 15 and 16 extended from the base 14 and has a substantially U-shaped cross section, and is fixed to a sash section installed along a door frame; seal lips 12 and 13 extended from front ends of the sidewalls 15 and 16 to the inside of the body 11; and a connection section 21 formed so as to be stretchable at a position away from opposed portions of the end face of the door glass in the base 14. The entire region of the longitudinal direction of the glass run is formed integrally by die molding. A lip forming section 81 including a sub-lip 31 is partially formed at a rear longitudinal side 8 of the glass run 5. The sub-lip is extended from the sidewall 16 at the vehicle interior side to the inside of the body 11 in the longitudinal direction, and can contact with the rear surface of the seal lip 13 at the vehicle interior side. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a glass run.

  Generally, a glass run is provided along the inner periphery of a door frame of an automobile. When viewed from the cross-sectional direction, the glass run is provided with a substantially U-shaped main body portion including a base portion, a vehicle inner side wall portion and a vehicle outer side wall portion extending from the base portion, and substantially tip ends of both side wall portions. The vehicle interior seal lip and the vehicle exterior seal lip each extending toward the inside of the main body portion are provided. The glass run is sealed so that the body portion is attached to a mounting portion provided along the inner periphery of the door frame, and the peripheral portions of the inner and outer surfaces of the door glass moving up and down are sandwiched by both seal lips. .

  The glass run includes an upper side corresponding to the upper edge of the door glass, and a front vertical side and a rear vertical side corresponding to the front and rear vertical edges of the door glass, which are formed in a substantially linear shape. And the mold forming part that connects the ends of the extruded part at a predetermined angle.

  By the way, in order to suppress the vibration of the door glass toward the inside and outside of the vehicle, it can extend from the vehicle inner side wall to the inside of the main body, and can be in contact with the surface (back surface) opposite to the door glass sliding surface of the vehicle inner seal lip. There is a technique of providing a sub lip (see, for example, Patent Document 1).

JP 2007-296897 A

  When the configuration of Patent Document 1 is adopted, when the vehicle interior seal lip is pushed by the door glass that has entered the inside of the main body and is about to be displaced toward the vehicle interior, the vehicle interior seal lip and the back surface of the vehicle interior seal lip The sub lip with which the tip is in contact with each other cooperates to support the door glass. Thereby, the vibration of the door glass can be suppressed.

  However, the provision of the sub lip can suppress the vibration of the door glass, but there is a concern that the provision of the sub lip causes an increase in weight, an increase in production cost, and the like. Further, in the vertical side portion of the glass run that is attached along the curve in the vertical direction of the door, when the same protruding amount of the sub lip is provided over the entire length of the vertical side portion, the seal lip is pressed more than necessary depending on the part. In this case, there is a concern that the lifting load of the door glass will increase.

  The present invention has been made in view of the above circumstances, and an object thereof is to provide a glass run capable of suppressing vibration of a door glass and suppressing an increase in weight, an increase in production cost, an increase in lifting load, and the like. It is to provide.

  In the following, each means suitable for solving the above-mentioned purpose will be described in terms of items. In addition, the effect etc. peculiar to the means to respond | correspond as needed are added.

Means 1. It has a base portion, a vehicle inner side wall portion and a vehicle outer side wall portion extending from the base portion, has a substantially U-shaped cross section, and is attached to a mounting portion provided along the inner periphery of the vehicle door frame. Main body
A vehicle inner side seal lip and a vehicle outer side seal lip extending inward of the main body from substantially the front ends of the vehicle inner side wall and the vehicle outer side wall,
The base portion is formed in a substantially V-shaped cross section that protrudes toward the inner peripheral side of the main body portion in a stretched state at the time of molding at a position deviating from the facing portion of the end face of the door glass in the base portion. In the contracted state at the time, a stretchable connecting part formed in a substantially I-shaped cross section is provided,
The entire longitudinal direction including the upper side corresponding to the upper edge of the door glass that moves up and down and the front vertical side and rear vertical side corresponding to the front edge and rear edge of the door glass is integrated by molding. And the connecting part is a glass run formed continuously throughout the longitudinal direction of the main body part,
At least one of the front vertical side portion and the rear vertical side portion extends in the longitudinal direction from the vehicle inner side wall portion to the inside of the main body portion, and is opposite to the door glass sliding surface of the vehicle inner seal lip. A glass run, wherein a lip forming part having a sub-lip capable of abutting against a side surface is partially formed.

  According to the means 1, at least one of the front vertical side portion and the rear vertical side portion has a sub lip that supports the door glass in cooperation with the vehicle interior seal lip when the door glass enters the inside of the main body portion. Thus, the vibration of the door glass is suppressed. Further, in this means, the sub lip is not provided in the entire longitudinal direction of the vertical side portion, but is provided partially. That is, a portion where the sub lip is provided in the vertical side portion (lip forming portion) and a portion where the sub lip is not provided (general portion) are formed. For this reason, the usage-amount of the material for forming a sub lip in a glass run can be reduced, and the weight reduction, resource saving, cost reduction, etc. of a glass run can be achieved. Moreover, an increase in the lifting load of the door glass can be suppressed.

  In particular, in this means, the entire length of the glass run is integrally formed by molding. In other words, the molded product has a higher degree of freedom in product design than the extruded product, so even if the lip forming part and the general part are formed in the longitudinal direction of the vertical side part, it is easily formed by molding. can do. For this reason, post-processing (for example, processing of partially removing the sub lip after forming the sub lip in the entire longitudinal direction of the vertical side portion by extrusion molding) is necessary to make the cross-sectional shape different at the specific portion. Can be avoided, and productivity can be improved. Further, when molding the entire length of the glass run in the longitudinal direction, the sub lip can be formed only in a predetermined range, so that the mold can be simplified, and the labor and cost for manufacturing the mold can be reduced.

  Further, in this means, since the entire longitudinal direction of the glass run is integrally formed by molding, for example, a glass run configured by connecting a plurality of molded bodies including an extruded molded body in the longitudinal direction, and In contrast, it is possible to avoid a situation in which a connecting line connecting adjacent molded bodies appears in the appearance. In addition, it is possible to avoid a situation in which a difference in color / gloss partially occurs in the longitudinal direction of the glass run. As a result, the appearance quality is improved.

  Furthermore, both the sealing lips can be sufficiently separated by molding the glass run in a shape in which the connecting portion is extended. For this reason, in order to maintain the holding | maintenance intensity | strength of the metal mold | die member (core) for shape | molding the inner surface etc. of a main-body part, it is necessary to set it as the expansion | deployment shape which expands the front-end | tips of a vehicle inner side wall part and a vehicle outer side wall part. Disappears. Therefore, when installing the door to the mounting part, it is not necessary to deform both side walls so that they move in parallel and rotate from the developed shape. In such a case, it is possible to stabilize the mounting state of the glass run relative to the mounting portion, improve the sealing performance, and the like.

  In addition, since the glass run is integrally formed (the base, the vehicle inner side wall, the vehicle outer side wall, the vehicle inner seal lip, the vehicle outer seal lip, etc. are formed in a continuous manner through the connecting portion), It is possible to simplify the entire manufacturing facility and improve manufacturing workability. As a result, it is possible to reduce costs and improve productivity. Further, since the connecting portion is formed in the entire length direction of the glass run, for example, in the glass run described in Japanese Patent Application Laid-Open No. 2008-149739 in which the connecting portion is partially provided in the longitudinal direction of the glass run. Compared to the configuration, when filling the mold cavity with the constituent material, it is necessary to form the constituent material so that the constituent material can be easily spread over the entire cavity, and the engaging portion other than the connecting portion can be engaged. There is no. For this reason, improvement of manufacturing workability (shortening of manufacturing time), suppression of molding defects, simplification of a mold apparatus, and the like can be achieved.

  In addition, for example, when the connecting portion is partially provided in the longitudinal direction of the glass run, in a state where the connecting portion is contracted, the connecting portion is caused by the thickness of the connecting portion or the repulsive force of the connecting portion. There is a possibility that the width of the base portion changes between the existing portion and the non-existing portion (the amount of contraction of the base portion toward the inside and outside of the vehicle changes). On the other hand, according to this means, the connection part is provided in the whole longitudinal direction of the glass run (main body part). For this reason, the lateral width of the base portion can be made substantially uniform throughout the entire length of the glass run, and the attachment state can be stabilized.

  Also, since the connecting part is convex on the inner peripheral side of the main body part, for example, the connecting part is attached due to the connecting part protruding from the base part of the vertical side part to the outer peripheral side of the door frame. It is possible to suppress a situation in which the glass run is lifted from the attachment portion due to the repulsive force of the connecting portion due to pressure contact with the portion.

  Mean 2. The upper end portion and the lower end portion of the lip forming portion are provided with an exfoliation portion in which the extension length of the sub lip from the vehicle interior side wall portion is continuously changed. Glass run.

  According to the means 2, the reaction force of the vehicle interior seal lip when the door glass enters the inside of the main body at the boundary between the lip forming portion where the sub lip is formed and the general portion where the sub lip is not formed. Due to the abrupt change, it is possible to suppress a situation in which the sliding resistance when the door glass moves up and down changes suddenly. Further, since the gradually changing portions are formed at both end portions of the sub lip, the molding material can be surely filled into the longitudinal end portion of the sub lip in the cavity at the time of mold forming, and the molding failure can be suppressed. be able to.

Means 3. At least one of the lip forming portions is located above the belt line of the door when mounted on the inner periphery of the door frame, and the gradually changing portion formed at the lower end portion of the lip forming portion. The lower end is located above the upper edge of the door glass when the door window is fully open,
The glass run according to means 2, characterized in that, in the longitudinal direction of the vertical side portion, the forming section of the gradually changing portion on the lower end side is longer than the forming section of the gradually changing portion on the upper end side.

  According to the means 3, the lip forming portion positioned above the door belt line when mounted on the inner periphery of the door frame, that is, above the door belt line and fully opening the door window. At the time, the lip forming part formed in the part of the vertical side located above the upper end of the door glass is the formation of the gradually changing part on the upper end side in the forming section of the gradually changing part on the lower end side. It is longer than the section. That is, in the gradually changing portion on the lower end side of the lip forming portion, the protruding length of the sub lip changes relatively gradually. For this reason, in the lip forming portion located above the belt line, there is no gradual change portion at the lower end portion of the lip formation portion, or the formation section of the gradual change portion is short, It is possible to avoid a situation in which the reaction force of the vehicle interior seal lip suddenly changes at the boundary with the general portion where the sub lip located below is not provided. In other words, when the upper end of the door glass that rises to close the window part approaches the part where the reaction force suddenly increases from the part where the reaction force is weak in the car interior seal lip, it is caught by the car interior seal lip. The door glass can be raised relatively smoothly.

  On the other hand, the formation section of the gradually changing portion on the upper end side of the lip forming portion is relatively short. That is, when the door glass is raised, the vehicle interior seal lip and the sub lip are already displaced on the upper end side of the lip forming portion, and the window portion is changed from the fully closed state (closed state) to the open state. Even when the door glass is lowered, the sub lip has already been displaced on the upper end side of the lip forming portion, and there is no fear that the upper edge of the door glass will be caught by the inside seal lip. For this reason, the formation section of the gradually changing portion can be shortened, and it is possible to achieve weight reduction, resource saving, cost reduction, and the like accompanying the reduction of the material used for the sub lip.

Means 4. At least one of the lip forming portions is positioned below the door belt line when mounted on the inner periphery of the door frame, and the gradually changing portion formed at the upper end of the lip forming portion. The upper end is located below the lower edge of the door glass when the door window is fully closed,
The glass run according to means 2 or 3, characterized in that, in the longitudinal direction of the vertical side portion, the forming section of the gradually changing portion on the upper end side is longer than the forming section of the gradually changing portion on the lower end side. .

  According to the means 4, the lip forming portion positioned below the door belt line when mounted on the inner periphery of the door frame, that is, below the door belt line and all of the door window portion. At the time of closing, the lip forming part formed in the portion located below the lower edge of the door glass in the vertical side part is the gradual changing part on the lower end part side in the forming section of the gradual changing part on the upper end part side. It is longer than the formation section. That is, in the gradually changing portion on the upper end side of the lip forming portion, the protruding length of the sub lip changes relatively gradually. For this reason, in the lip forming portion located below the belt line, for example, there is no gradual change portion at the upper end portion of the lip formation portion, or the lip change portion is formed with a short formation section. It is possible to avoid a situation in which the reaction force of the vehicle interior seal lip suddenly changes at the boundary between the formation portion and the general portion where the sub lip located above the formation portion is not provided. In other words, when the lower edge of the door glass that descends to open the window reaches the part where the reaction force suddenly increases from the part where the reaction force is weak in the inside seal lip, it is caught by the inside seal lip. The door glass can be lowered relatively smoothly.

  On the other hand, the formation section of the gradually changing portion on the lower end side of the lip forming portion is relatively short. That is, when the window portion is fully opened, the lower edge of the door glass is in contact with the vehicle interior seal lip of the lip forming portion (the sub lip has already been displaced). There is no risk that the lower edge of the door glass will be caught by the inside seal lip. For this reason, the formation section of the gradually changing portion can be shortened to the minimum necessary from the viewpoint of moldability, and weight reduction, resource saving, cost reduction, etc. associated with the reduction of the material used for the sub lip can be achieved. it can. It should be noted that the gradual change portion on the lower end side can be omitted (not provided) only for the lip forming portion.

It is a front schematic diagram which shows schematic structure of a door. It is a front view of a glass run. It is the JJ sectional view taken on the line of FIG. 2 which shows the glass run after attachment. It is the JJ sectional view taken on the line of FIG. 2 which shows the glass run immediately after mold forming. It is the KK sectional view taken on the line of FIG. 2 which shows the glass run after attachment. It is the KK sectional view taken on the line of FIG. 2 which shows the glass run immediately after mold forming. It is a schematic diagram when a back vertical side part is seen from the inner peripheral side of a glass run.

  Hereinafter, an embodiment will be described with reference to the drawings. As shown in FIG. 1, a front door (hereinafter simply referred to as “door 1”) that can be opened and closed at a door opening of an automobile includes a door glass G that can be raised and lowered, and an outer peripheral shape of the door glass G. And a glass run 5 that guides the raising and lowering of the door glass G and seals between the peripheral edge of the door glass G and the door frame 2. Note that “BL” in FIG. 1 indicates a belt line.

  As shown in FIG. 2, the glass run 5 is formed on the upper side portion 6 corresponding to the upper edge portion of the door glass G, the front vertical side portion 7 corresponding to the front edge portion of the door glass G, and the rear edge portion of the door glass G. A corresponding rear vertical side portion 8 is formed. In this embodiment, the glass run 5 is integrally formed in the entire length direction including the upper side portion 6, the front vertical side portion 7, and the rear vertical side portion 8 by a mold apparatus (not shown). Then, a sash portion DS having a substantially U-shaped cross section formed along the outer periphery of the window portion W, and a cross section provided in the door panel 3 so as to extend downward in the longitudinal sides before and after the sash portion DS. The glass run 5 is attached to the inner periphery of the U-shaped channel portion DC. In the present embodiment, the glass run 5 is made of an olefinic thermoplastic elastomer (TPO), and the olefinic thermoplastic elastomer is preferably a dynamic crosslinking type (TPV). In the present embodiment, the sash part DS and the channel part DC correspond to the attachment part.

  As shown in FIG. 3, the rear vertical side portion 8 includes a base portion 14, a vehicle outer side wall portion 15 and a vehicle inner side wall portion 16 extending from the base portion 14, and has a substantially U-shaped cross section. A main body portion 11 fitted into a substantially U-shaped sash portion DS, an exterior seal lip 12 extending from the distal end portion of the vehicle exterior side wall portion 15 toward the vehicle interior side and the base portion 14 side, and the distal end of the vehicle interior side wall portion 16 The vehicle interior side seal lip 13 extending toward the vehicle exterior side and the base portion 14 side is provided. In a state where the window W is closed by the door glass G, the vehicle outer side seal lip 12 is pressed against the outer side surface (vehicle outer side surface) of the door glass G, and the vehicle inner side seal lip 13 is in contact with the inner side of the door glass G. It is in pressure contact with the side surface (surface inside the vehicle). Thereby, the vehicle exterior side and vehicle interior side of the door glass G are each sealed.

  Further, the rear vertical side portion 8 includes a vehicle exterior design lip 17 extending from the front end portion of the vehicle outer side wall portion 15 toward the vehicle outer side, and a vehicle interior design lip extending from the front end portion of the vehicle inner side wall portion 16 toward the vehicle inner side. 18. In addition, a draining lip 19 that protrudes from the base portion 14 is provided on a vehicle outer side portion of the outer side surface of the base portion 14 (the outer peripheral surface of the main body portion 11). The draining lip 19 abuts against the sash portion DS when the glass run 5 is attached, and prevents rainwater and the like from entering the inside of the vehicle through the space between the glass run 5 and the sash portion DS. In addition, the extension length from the base part 14 of the vehicle outer side wall part 15 is shorter than the extension length from the base part 14 of the vehicle inner side wall part 16. The vehicle exterior seal lip 12 is configured to be smaller (shorter and thinner) than the vehicle interior seal lip 13. As a result, the door glass G is brought to the outside of the vehicle and flash surface formation is achieved.

  In the rear vertical side portion 8 below the belt line BL, the portion disposed in the door panel 3 (the portion attached to the channel portion DC) is downsized as shown in FIGS. The design lips 17 and 18 are configured to be smaller than the portion of the rear vertical side portion 8 attached to the sash portion DS, the thickness of the base portion 14 is reduced, and the draining lip 19 is also omitted. Has been.

  In the present embodiment, in the base portion 14, the connecting portion 21 formed so that the lateral width of the base portion 14 can be changed between when the mold is formed and when the base portion 14 is attached to the sash portion DS (channel portion DC). Is provided. The base portion 14 of the present embodiment is divided into a vehicle outer side portion (vehicle outer side base portion 14a) and a vehicle inner side portion (vehicle inner side base portion 14b) with the connecting portion 21 interposed therebetween. The portion 14 a and the vehicle interior base portion 14 b are connected by the connecting portion 21. The connecting portion 21 includes a first variable portion 21a extending from the vehicle inner end surface of the vehicle outer base portion 14a to the inner peripheral side of the main body portion 11, and a tip end of the first variable portion 21a from the vehicle outer end surface of the vehicle inner base portion 14b. And a second variable portion 21b extending toward the edge. Further, as shown in FIG. 4, the connecting portion 21 is formed in a substantially V-shaped cross section that protrudes toward the inner peripheral side of the main body portion 11, and the sash portion DS (channel portion) of the glass run 5 during molding At the time of attachment to DC), as shown in FIG. 3, the connecting portion 21 is contracted (folded: made into a substantially I-shaped cross section) and attached in that state. Moreover, the connection part 21 of this embodiment is a vehicle inner side (extension line along the inner side surface of the door glass G among the base parts 14 so that it may not interfere with the raising / lowering of the door glass G). It is formed on the vehicle inner side from the intersecting position, and the connecting portion 21 does not interfere with the door glass G that has entered the inside of the main body portion 11.

  Further, the first variable portion 21a and the second variable portion 21b extend substantially linearly, and as shown in FIG. 3, when the connecting portion 21 is contracted (folded), the first variable portion 21a and the second variable portion 21b 2 The variable portion 21b is in contact with the surface, and the connecting portion 21 is linear along the inner side surface (vehicle outer surface) of the vehicle inner side wall portion 16 (almost with respect to the inner side surface of the base portion 14). (Vertically). Furthermore, in this embodiment, the 1st variable part 21a and the 2nd variable part 21b are extended from the site | part of the outer peripheral side of the main-body part 11 of the mutually opposing surface among the vehicle outer base part 14a and the vehicle inner base part 14b. In a state where the connecting portion 21 is contracted, the base side portions of the first variable portion 21a and the second variable portion 21b are sandwiched between the vehicle outer base portion 14a and the vehicle inner base portion 14b. .

  Moreover, the thickness of the 1st variable part 21a and the 2nd variable part 21b is thinner than other parts (vehicle exterior base part 14a etc.), and is 1.0 mm in this embodiment, respectively. . Furthermore, as shown in FIG. 4, a groove-like portion 24 is formed along the boundary between the first variable portion 21 a and the second variable portion 21 b on the inferior angle side of the connecting portion 21. The thickness of the tip portion (near the boundary between the first variable portion 21a and the second variable portion 21b) is thinner than other portions. For this reason, as shown in FIG. 3, even when the connecting portion 21 is in a contracted state, the distal end portion of the connecting portion 21 (near the boundary portion between the first variable portion 21a and the second variable portion 21b) does not swell, The outer surface and the inner surface of the connecting portion 21 are substantially flat surfaces.

  Although not shown, the upper side portion 6 and the front vertical side portion 7 of the glass run 5 are also provided with a main body portion 11, a pair of seal lips 12 and 13, a connecting portion 21, and the like, similarly to the rear vertical side portion 8. ing. Moreover, the connection part 21 formed in the upper side part 6, the front vertical side part 7, and the rear vertical side part 8 is unbroken throughout the longitudinal direction of the glass run 5 like the main body part 11 and the seal lips 12, 13 and the like. It is provided continuously. Furthermore, the formation position of the connection part 21 in the vehicle interior / exterior direction is the same position throughout the longitudinal direction of the glass run 5 (the same in any position in the longitudinal direction), and the width of the base part 14 Are the same. In addition, in the present embodiment, in mold forming, the distance between the vehicle outer base portion 14a and the vehicle inner base portion 14b is formed so as to be constant in any part of the glass run 5 in the longitudinal direction. As described above, the first variable portion 21a and the second variable portion 21b extend from the surfaces of the vehicle outer base portion 14a and the vehicle inner base portion 14b that face each other. The position of the root portion of the variable portion 21a (the connection portion with the vehicle outer base portion 14a) and the position of the root portion of the second variable portion 21b (the connection portion with the vehicle inner base portion 14b) are in the longitudinal direction of the glass run 5. It becomes the same position in any part. Further, the position of the boundary portion between the first variable portion 21 a and the second variable portion 21 b in the vehicle inside / outside direction is shaped so as to be the same in any portion in the longitudinal direction of the glass run 5. In addition, when the first variable portion 21a and the second variable portion 21b are fixed (adhered) in a state where they are in contact with each other, the contracted state of the connecting portion 21 is maintained and the attachment to the sash portion DS or the like is easy. become.

  As shown in FIGS. 3, 5, etc., the rear vertical side portion 8 is provided with a sub lip 31 extending from the vehicle inner side wall portion 16 to the vehicle outer side and the inner peripheral side of the door frame 2. When the door glass G enters the inside of the main body portion 11 and the vehicle interior seal lip 13 pressed against the door glass G is displaced toward the vehicle interior, the sub lip 31 moves the door glass G of the vehicle interior seal lip 13. It is comprised so that it can contact | abut to the front-end | tip part side of the surface (back surface) on the opposite side to a sliding contact surface. In the present embodiment, when the door glass G normally enters, it is set to a so-called zero per unit that is in contact with a point. Thereby, when the vehicle interior seal lip 13 is displaced toward the vehicle interior, the sub lip 31 and the vehicle interior seal lip 13 cooperate to support the door glass G. Further, the sub lip 31 is formed integrally with the vehicle interior side wall portion 16 simultaneously with the other portions when the glass run 5 is molded.

  In the present embodiment, the sub lip 31 is not provided in the entire longitudinal direction of the rear vertical side portion 8, but is provided in the range indicated by X and the range indicated by Y in FIG. Hereinafter, the range indicated by X in the rear vertical side portion 8 is referred to as a first lip forming portion 81, the range indicated by Y is referred to as a second lip forming portion 82, and other portions where the sub lip 31 is not formed are general portions. 83. In addition, the sub lip 31 in the first lip forming portion 81 is also referred to as a first sub lip 31a (see FIG. 3), and the sub lip 31 in the second lip forming portion 82 is also referred to as a second sub lip 31b (see FIG. 5).

  The first lip forming portion 81 is provided in a portion of the rear vertical side portion 8 that is attached to the sash portion DS above the belt line BL of the door 1, and when the window portion W is fully opened (the door glass G is in the door panel 3. In the housed state), it is located above the upper edge of the door glass G. Due to the presence of the first sub lip 31a of the first lip forming portion 81, the vibration of the door glass G when the automobile is running is suppressed.

  The second lip forming portion 82 is provided in a portion of the rear vertical side portion 8 attached to the channel portion DC below the belt line BL of the door 1, and when the window portion W is fully closed (the window portion W is opened by the door glass G). In a state where is closed), it is located below the lower edge of the door glass G. Due to the presence of the second sub lip 31b of the second lip forming portion 82, the vibration of the door glass G when the window portion W is opened is suppressed. In the rear vertical side portion 8, the upper portion, the lower portion, and the portion between the first lip forming portion 81 and the second lip forming portion 82 are general portions 83 where the sub lip 31 is not provided.

  Further, at the upper end and the lower end of the first lip forming portion 81 and the second lip forming portion 82, the gradually changing portion 33 in which the extension length of the sub lips 31a, 31b from the vehicle interior side wall portion 16 continuously changes, 35 is provided. That is, at both terminal portions of the sub lips 31a and 31b, the protruding lengths of the sub lips 31a and 31b from the vehicle interior side wall portion 16 are gradually shortened toward the general portion 83 side.

  As shown in FIG. 7, with respect to the first lip forming portion 81, the gradually changing portion 33 (lower gradually changing portion 33 a) formed at the lower end portion of the first lip forming portion 81 in the longitudinal direction of the rear vertical side portion 8. The forming section t1 is longer than the forming section t2 of the gradually changing portion 33 (upper gradually changing portion 33b) formed at the upper end portion of the first lip forming portion 81. In the present embodiment, the entire first lip forming portion 81 forming section (including the gradually changing portions 33a and 33b) is about 300 mm, while the lower gradually changing portion 33a forming section t1 is 30 mm and the upper gradually changing portion. The formation section t2 of 33b is 10 mm.

  As shown in FIG. 2, with respect to the second lip forming portion 82, the gradually changing portion 35 (upper gradually changing portion 35 b) formed at the upper end portion of the second lip forming portion 82 in the longitudinal direction of the rear vertical side portion 8. The forming section t3 is longer than the forming section t4 of the gradually changing portion 35 (lower gradually changing portion 35a) formed at the lower end portion of the second lip forming portion 82. In the present embodiment, the entire formation section (including the gradually changing portions 35a and 35b) of the second lip forming portion 82 is 70 mm, whereas the forming section t3 of the upper gradually changing portion 35b is 30 mm and the lower gradually changing portion 35a. The forming section t4 is 10 mm.

  A sub lip 31 (comprising gradually changing portions 35a and 35b) is formed in the lower part of the front vertical side portion 7 attached to the channel portion DC in the same manner as the second lip forming portion 82. Along with the second sub lip 31b of the vertical side portion 8, vibration of the door glass G in a state where the window portion W is opened is suppressed.

  As described in detail above, according to the present embodiment, the rear vertical side portion 8 (and the front vertical side portion 7) has the vehicle interior seal lip 13 and the door glass G when the door glass G enters the inside of the main body portion 11. The sub lip 31 that supports the door glass G in cooperation is provided, whereby the vibration of the door glass G is suppressed. Further, in the present embodiment, the sub lip 31 is not provided in the entire longitudinal direction of the vertical side portion 8, but the portion (the lip forming portions 81 and 82) where the sub lip 31 is provided in the rear vertical side portion 8 and the sub lip 31. The sub lip 31 is partially provided (only at a necessary portion) so that a portion (general portion 83) where no is provided is formed. For this reason, the usage-amount of the material for forming the sublip 31 in the glass run 5 can be reduced, and the weight reduction, resource saving, cost reduction, etc. of the glass run 5 can be achieved. Moreover, an increase in the lifting load of the door glass G can be suppressed.

  In particular, in this embodiment, the entire longitudinal direction of the glass run 5 is integrally formed by molding. That is, since the molded product has a higher degree of freedom in product design than the extruded product, even when the lip forming portions 81 and 82 and the general portion 83 are formed in the longitudinal direction of the rear vertical side portion 8, It can be easily formed by mold forming. For this reason, in order to vary the cross-sectional shape at a specific portion, post-processing (for example, processing in which the sub lip 31 is partially removed after the sub lip 31 is formed in the entire longitudinal direction of the rear vertical side portion 8 by extrusion molding). The situation where it becomes necessary can be avoided, and the productivity can be improved.

  Further, at the upper end and the lower end of each lip forming portion 81, 82, change-over portions 33, 35 in which the extension lengths of the sub lips 31a, 31b from the vehicle interior side wall portion 16 are continuously changed are provided. . For this reason, it is possible to suppress the molding failure of the tip portions of the sub lips 31a and 31b, and to smoothly raise and lower the door glass G.

  Furthermore, with respect to the first lip forming portion 81 that is located above the belt line BL and is formed at a position located above the door glass G in the rear vertical side portion 8 when the window portion W is fully opened, In the longitudinal direction of the rear vertical side portion 8, the formation interval t1 of the lower gradually changing portion 33a on the lower end side is longer than the formation interval t2 of the upper gradually changing portion 33b on the upper end side. For this reason, at the boundary between the first lip forming portion 81 and the general portion 83 located therebelow due to the absence of the lower gradual change portion 33a or the short formation section of the lower gradual change portion 33a. In addition, it is possible to avoid a situation in which the reaction force of the vehicle interior seal lip 13 changes abruptly, and the door glass G can be raised relatively smoothly.

  On the other hand, the formation section t2 of the upper gradually changing portion 33b on the upper end side of the first lip forming portion 81 is relatively short. That is, when the door glass G is raised, the vehicle interior seal lip 13 and the first sub lip 31a are already displaced on the upper end portion side of the first lip forming portion 81, and the window portion W is fully closed (closed). Even when the door glass G is lowered from the open state to the open state, the first sub lip 31a has already been displaced on the upper end portion side of the first lip forming portion 81, and the upper edge of the door glass G There is no risk of being caught by the inside seal lip 13. For this reason, the formation section of the upper gradual change part 33b can be shortened, and weight reduction, resource saving, cost reduction, etc. accompanying reduction of the material used for the 1st sublip 31a can be achieved.

  Further, when the window portion W is fully closed, the second lip forming portion 82 formed in a portion of the rear vertical side portion 8 located below the door glass G is in the longitudinal direction of the rear vertical side portion 8. The formation section t3 of the upper gradual change portion 35b on the upper end side is longer than the formation section t4 of the lower gradual change portion 35a on the lower end side. That is, in the upper gradually changing portion 35b on the upper end side of the second lip forming portion 82, the protruding length of the second sub lip 31b changes relatively slowly. In other words, at the upper end portion of the second lip forming portion 82, the reaction force of the vehicle interior seal lip 13 to be supported by the second sub lip 31b changes relatively slowly. For this reason, for example, the boundary between the second lip forming portion 82 and the general portion 83 located thereabove due to the absence of the upper gradual change portion 35b or the short formation section of the upper gradual change portion 35b. In such a case, it is possible to avoid a situation in which the reaction force of the vehicle interior seal lip 13 suddenly changes. Therefore, when the door glass G that descends to open the window portion W reaches the portion where the reaction force is suddenly increased from the portion where the reaction force is weak in the vehicle interior seal lip 13, The situation of being caught can be suppressed. As a result, the door glass G can be lowered relatively smoothly.

  Further, the second lip forming portion 82 is formed below the belt line BL and is formed at a portion of the rear vertical side portion 8 located below the lower edge of the door glass G when the window portion W is fully closed. The upper section side upper gradually changing portion 35b forming section t3 is longer than the lower end section lower gradually changing section 35a forming section t4. That is, in the upper gradual change portion 35b on the upper end portion side of the second lip forming portion 82, the protruding length of the second sub lip 31b changes relatively gradually. Therefore, in the second lip forming portion 82 located below the belt line BL, for example, there is no upper gradual change portion 35b at the upper end portion of the second lip formation portion 82, or the upper gradual change portion 35b Due to the short forming section, the reaction force of the vehicle interior seal lip 13 suddenly changes at the boundary between the second lip forming portion 82 and the general portion 83 located above the second lip forming portion 82. It can be avoided. That is, when the lower edge of the door glass G that descends to open the window W reaches the portion where the reaction force suddenly increases from the portion where the reaction force is weak in the vehicle interior seal lip 13, The situation of being caught by the lip 13 can be suppressed, and the door glass can be lowered relatively smoothly.

  On the other hand, the formation section t4 of the lower gradually changing portion 35a on the lower end side of the second lip forming portion 82 is relatively short. That is, in a state where the window portion W is fully opened, a state where the lower edge of the door glass G is in contact with the vehicle interior seal lip 13 of the second lip forming portion 82 (a state where the second sub lip 31b has already been displaced) Thus, there is no fear that the lower edge of the door glass G is caught by the vehicle interior seal lip 13 when the door glass G is raised. For this reason, the formation section of the lower gradual change portion 35a can be shortened to the minimum necessary from the viewpoint of moldability, and the weight reduction, resource saving, and cost reduction associated with the reduction of the material used for the second sub lip 31b can be achieved. Etc. can be achieved.

  Moreover, in this embodiment, since the whole longitudinal direction of the glass run 5 is integrally formed by mold forming, for example, a glass configured by connecting a plurality of molded bodies including an extruded molded body in the longitudinal direction. Unlike a run, it is possible to avoid a situation in which a connecting line connecting adjacent molded bodies appears on the appearance. In addition, it is possible to avoid a situation in which a difference in color / gloss partially occurs in the longitudinal direction of the glass run 5. As a result, the appearance quality is improved.

  Further, by molding the glass run 5 in a shape in which the connecting portion 21 is extended, both the seal lips 12 and 13 can be sufficiently separated. For this reason, in order to maintain the holding | maintenance intensity | strength of the metal mold | die member (core) for shape | molding the inner surface etc. of the main-body part 11, the deployment shape which spreads the front-end | tips of the vehicle inner side wall part 16 and the vehicle outer side wall part 15 and No need to do. Accordingly, when attaching to the sash portion DS and the channel portion DC, it is not necessary to deform the side wall portions 15 and 16 so as to move in parallel and to rotate and deform from the developed shape. Stabilization of the mounting state of the glass run 5 with respect to the sash portion DS and the channel portion DC, improvement of the sealing performance, and the like can be achieved without occurrence of meandering of the lips 12, 13 and wrinkles.

  Further, the glass run 5 is integrally formed (the base portion 14, the vehicle interior side wall portion 16, the vehicle exterior side wall portion 15, the vehicle interior seal lip 13, the vehicle exterior seal lip 12, etc. are connected together via the connecting portion 21. Therefore, it is possible to simplify the entire manufacturing facility and improve manufacturing workability, and as a result, it is possible to reduce costs and improve productivity.

  In addition, the connecting portion 21 has a convex shape on the inner peripheral side of the main body portion 11. For this reason, for example, the connecting part 21 protrudes from the base part 14 of the front vertical side part 7 and the rear vertical side part 8 to the outer peripheral side of the door frame 2, so that the connecting part 21 becomes the sash part DS and the channel part. It is possible to suppress a situation in which the glass run 5 is lifted from the sash portion DS and the channel portion DC due to the repulsive force of the connecting portion 21 while being pressed against the DC (bottom surface).

  Moreover, the connection part 21 is provided in the position (the vehicle inner side rather than the inner surface of the door glass G) remove | deviated from the opposing part of the end surface of the door glass G in the base part 14. FIG. For this reason, it is possible to prevent the possibility of causing problems such as an increase in resistance when the door glass G slides due to the coupling portion 21 interfering with the door glass G.

  Furthermore, the formation position of the connecting portion 21 in the vehicle interior / exterior direction is constant in any part in the entire longitudinal direction of the glass run 5. For this reason, it becomes difficult to contract the connecting part 21 because the position of the connecting part 21 is displaced, or the cross-sectional shape of the connecting part 21 and thus the main body part 11 is deformed into an irregular shape by forcibly contracting (folding). The situation of doing can be suppressed. Therefore, it is possible to stabilize the mounting state, improve the mounting workability, improve the sealing performance, and the like. In addition, according to this embodiment, since the connection part 21 is provided in the longitudinal direction whole region of the glass run 5, the horizontal width of the base part 14 can be made substantially uniform in the longitudinal direction whole region of the glass run 5, and attachment The state can be stabilized.

  Further, in the glass run 5, the position of the root portion of the first variable portion 21 a and the position of the root portion of the second variable portion 21 b in the vehicle inside / outside direction are the same position in any part in the longitudinal direction of the glass run 5. Therefore, when the connecting portion 21 is contracted, the deformation amount of the connecting portion 21 can be made uniform, and the cross-sectional shape of the connecting portion 21 is intended partially in the longitudinal direction of the glass run 5. The first variable portion 21a and the second variable portion 21b are partially separated in the longitudinal direction of the glass run 5, or the connecting portion 21 is uneven. The situation can be prevented.

  Furthermore, the first variable portion 21a and the second variable portion 21b are formed in a substantially linear shape, and along the boundary portion between the first variable portion 21a and the second variable portion 21b on the inferior angle side of the connecting portion 21. Thus, the groove-like portion 24 is formed, and the groove-like portion 24 makes the thickness near the boundary between the first variable portion 21a and the second variable portion 21b thinner than other portions. For this reason, the situation where the front-end | tip part side (near boundary part of the 1st variable part 21a and the 2nd variable part 21b) of the connection part 21 swells can be prevented. Accordingly, the connecting portion 21 comes into contact with the door glass G to reduce the sliding property of the door glass G, or the connecting portion 21 obstructs the operation of the vehicle interior seal lip 13 more reliably. Can be prevented.

  The first variable portion 21a and the second variable portion 21b extend from the outer peripheral portion of the main body portion 11 of the opposite surfaces of the vehicle outer base portion 14a and the vehicle inner base portion 14b, respectively. 21a and the second variable portion 21b are in a fixed state (the contracted state of the connecting portion 21), the base side portions of the first variable portion 21a and the second variable portion 21b are the vehicle outer base portion 14a and the vehicle inner base portion. 14b. That is, the side surfaces of the first variable portion 21a and the second variable portion 21b on the base portion side come into contact with the vehicle inner end surface of the vehicle outer base portion 14a and the vehicle outer end surface of the vehicle inner base portion 14b. Even if the connecting portion 21 is inclined when the connecting portion 21 is contracted, the side surfaces of the first variable portion 21a and the second variable portion 21b are in contact with the end surfaces of the vehicle outer base portion 14a and the vehicle inner base portion 14b. Tilt is prevented. Therefore, the interference between the connecting portion 21 and the door glass G can be reliably prevented.

  In addition, it is not limited to the description content of the said embodiment, For example, you may implement as follows. Of course, other application examples and modification examples not illustrated below are also possible.

  (A) In the above embodiment, the first lip forming portion 81 (first sub lip 31 a) is above the belt line BL when the window portion W is fully opened, and the door glass G of the rear vertical side portion 8. Although the upper edge of the door glass G is considerably below the belt line BL when the window W is fully opened, the lower gradually changing portion of the first sub lip 31a is provided. The glass run of the present application can also be applied when the lower end of 33a is slightly below the belt line BL and above the upper edge of the door glass G. In short, when the window W is fully opened or fully closed, the upper edge or the lower edge of the door glass G, the lower edge of the lower gradual change portion 33 a of the first lip forming portion 81, or the second lip forming portion 82. The relative positional relationship with the upper edge of the gradual change part 35b should just be like the said embodiment.

  (B) Moreover, in the said embodiment, although the glass run 5 is comprised by TPV, another, such as an ethylene-propylene-diene copolymer rubber (EPDM) and a non-crosslinked olefin type thermoplastic elastomer (TPO), is different. You may comprise by the material of. In addition, by comprising the glass run 5 by TPV, it becomes possible to heat-weld or ultrasonically weld the 1st variable part 21a and the 2nd variable part 21b.

  (C) In the embodiment described above, the first variable portion 21a and the second variable portion 21b extend from the mutually facing surfaces of the vehicle outer base portion 14a and the vehicle inner base portion 14b. The first variable portion 21a and the second variable portion 21b may be configured to extend from the side end portions of the inner side surfaces (the inner peripheral surface of the main body portion 11) of the vehicle outer base portion 14a and the vehicle inner base portion 14b. Good.

  (D) In the above embodiment, the glass run 5 for the front door has been described in detail, but it may be applied to a glass run for a rear door or the like. Moreover, you may apply to the glass run 5 in which the extension length of the side wall parts 15 and 16 and the magnitude | size of the seal lips 12 and 13 are substantially the same.

  DESCRIPTION OF SYMBOLS 1 ... Automobile, 2 ... Door frame, 5 ... Glass run, 6 ... Upper side part, 7 ... Front vertical side part, 8 ... Rear vertical side part, 11 ... Main-body part, 12 ... Car outer side seal lip, 13 ... Car inner side seal Lip, 14 ... Base part, 14a ... Outer base part, 14b ... Car inner base part, 15 ... Car outer side wall part, 16 ... Car inner side wall part, 21 ... Connection part, 21a ... First variable part, 21b ... First 2 variable parts, 24 ... groove-like part, 31 ... sub lip, 31a ... first sub lip, 31b ... second sub lip, 33a ... lower gradual change part, 33b ... upper gradual change part, 35a ... lower gradual change part, 35b ... upper Gradual change part, 81 ... 1st lip formation part, 82 ... 2nd lip formation part, 83 ... General part, BL ... Belt line, DC ... Channel part, DS ... Sash part, G ... Door glass.

Claims (4)

It has a base portion, a vehicle inner side wall portion and a vehicle outer side wall portion extending from the base portion, has a substantially U-shaped cross section, and is attached to a mounting portion provided along the inner periphery of the vehicle door frame. Main body
A vehicle inner side seal lip and a vehicle outer side seal lip extending inward of the main body from substantially the front ends of the vehicle inner side wall and the vehicle outer side wall,
The base portion is formed in a substantially V-shaped cross section that protrudes toward the inner peripheral side of the main body portion in a stretched state at the time of molding at a position deviating from the facing portion of the end face of the door glass in the base portion. In the contracted state at the time, a stretchable connecting part formed in a substantially I-shaped cross section is provided,
The entire longitudinal direction including the upper side corresponding to the upper edge of the door glass that moves up and down and the front vertical side and rear vertical side corresponding to the front edge and rear edge of the door glass is integrated by molding. And the connecting part is a glass run formed continuously throughout the longitudinal direction of the main body part,
At least one of the front vertical side portion and the rear vertical side portion extends in the longitudinal direction from the vehicle inner side wall portion to the inside of the main body portion, and is opposite to the door glass sliding surface of the vehicle inner seal lip. A glass run, wherein a lip forming part having a sub-lip capable of abutting against a side surface is partially formed.   2. The change-over portion in which an extension length of the sub lip from the vehicle interior side wall portion is continuously provided at an upper end portion and a lower end portion of the lip forming portion. Glass run. At least one of the lip forming portions is located above the belt line of the door when mounted on the inner periphery of the door frame, and the gradually changing portion formed at the lower end portion of the lip forming portion. The lower end is located above the upper edge of the door glass when the door window is fully open,
3. The glass run according to claim 2, wherein, in the longitudinal direction of the vertical side portion, a forming section of the gradually changing portion on the lower end side is longer than a forming section of the gradually changing portion on the upper end side. At least one of the lip forming portions is positioned below the door belt line when mounted on the inner periphery of the door frame, and the gradually changing portion formed at the upper end of the lip forming portion. The upper end is located below the lower edge of the door glass when the door window is fully closed,
4. The glass according to claim 2, wherein, in the longitudinal direction of the vertical side portion, a forming section of the gradually changing portion on the upper end side is longer than a forming section of the gradually changing portion on the lower end portion side. run.

Images