JP6443079B2 - Weather strip mounting structure - Google Patents

Description

  The present invention relates to a weather strip mounting structure for closing a gap between a front door and a rear door of a vehicle.

  Conventionally, as described in Patent Documents 1 and 2, for example, a weather strip that closes a gap between a front door and a rear door of a vehicle is known. In Patent Document 1, a protrusion that extends in the vehicle height direction is formed on the inner side surface (surface on the passenger compartment side) of the door frame garnish of the rear door. A groove extending in the vehicle height direction is formed at the base of the weather strip. The weather strip is attached to the door frame garnish of the rear door by fitting the protrusion and the groove. Then, the door frame garnish of the rear door is bonded to the door frame. In this state, the base portion of the weather strip is sandwiched between the door frame garnish of the rear door and the door frame. On the inner side surface of the rear end portion of the door frame garnish of the front door, a ridge portion is formed that protrudes toward the passenger compartment side and extends in the vehicle height direction. In a state where the weather strip is attached to the rear door, the tip of the lip portion extending forward from the base portion of the weather strip is in contact with the tip surface (end surface on the vehicle compartment side) of the protrusion of the door frame garnish of the front door. .

  Moreover, in patent document 2, the 1st wall part and 2nd wall part which are extended in a vehicle height direction are formed in the inner surface (surface at the side of a compartment) in the front-end part of the door frame garnish of a rear door. . The first wall portion is formed along the front edge of the door frame garnish of the rear door, and the second wall portion is formed rearward when viewed from the first wall portion. That is, the first wall portion and the second wall portion are separated from each other in the vehicle front-rear direction. A groove extending in the vehicle height direction is formed between the first wall and the second wall. A third wall portion and a fourth wall portion extending in the vehicle height direction are formed at the rear end portion of the weather strip. The third wall portion is formed at the rear end of the weather strip, and the fourth wall portion is formed forward when viewed from the third wall portion. That is, the third wall portion and the fourth wall portion are separated from each other in the vehicle front-rear direction. A groove portion extending in the vehicle height direction is formed between the third wall portion and the fourth wall portion. The weather strip has a lip portion that extends forward from the outer end portion (end portion opposite to the vehicle compartment) of the fourth wall portion and is curved inward (vehicle compartment side). The third wall portion is inserted into the groove portion between the first wall portion and the second wall portion, and the first wall portion is a groove portion between the third wall portion and the fourth wall portion. The rear end portion of the weather strip is fitted to the front end portion of the door frame garnish of the rear door. Thereby, the weather strip is attached to the door frame garnish of the rear door. The door frame garnish of the rear door is bonded to the door frame of the rear door. When the weather strip is attached to the rear door, the curved portion of the lip portion is in contact with the rear end surface of the door frame garnish of the front door.

JP 2002-120564 A JP 2005-47447 A

  On the side surface of the vehicle to which the weather strip mounting structure of Patent Document 1 is applied, the rear end surface of the door frame garnish of the front door, the front end surface of the door frame garnish of the rear door, and the outer surface of the weather strip (vehicle side Is a recess surrounded by the opposite surface), and a recess extending in the vehicle height direction is formed. Therefore, when this vehicle is running, an eddy current may be generated in the vicinity of the concave portion, which may cause abnormal noise. In addition, it is not preferable in view of the appearance of the vehicle that the concave portion extending in the vehicle height direction is formed in the side surface portion of the vehicle. Further, the rear end surface of the lip portion is connected to the base portion, but other portions of the lip portion are not supported. Therefore, the entire lip portion may vibrate and generate abnormal noise due to vibrations during traveling of the vehicle and the influence of air flowing along the side surface of the vehicle.

  Moreover, although the rear end surface of the lip | rip part of the weather strip of patent document 2 is connected to the 4th wall part, the other part of a lip | rip part is not supported. Therefore, the entire lip portion may vibrate and generate abnormal noise due to vibrations during traveling of the vehicle and the influence of air flowing along the side surface of the vehicle.

  The present invention has been made to address the above-described problems, and an object of the present invention is to provide a weather strip mounting structure that can suppress the generation of abnormal noise. In addition, in the description of each constituent element of the present invention below, in order to facilitate understanding of the present invention, reference numerals of corresponding portions of the embodiment are described in parentheses, but each constituent element of the present invention is The present invention should not be construed as being limited to the configurations of the corresponding portions indicated by the reference numerals of the embodiments.

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In order to achieve the above object, the present invention is characterized in that a rear end of a door frame garnish (20) extending along a rear side of a window frame of a front door (VD _f ) of the vehicle, a mounting structure of a rear door weather strip (10) for closing the gap between the front end of (VD _r) window frame of the front side door frame garnish which extends along the (30), the front door A projecting piece (P) projecting toward the other door frame garnish is formed on an end surface of one of the door frame garnish and the door frame garnish of the rear door, and the weather strip is A base portion (11) extending along an end surface of one door frame garnish, and a through hole (H) into which the protruding piece is inserted A formed base portion, and a lip portion extending from a portion of the base portion located on the outer side in the vehicle width direction with respect to the through hole toward the other door frame garnish and abutting against an end surface of the other door frame garnish ( 12), and a weather strip mounting structure in which the base side end of the lip portion can abut against the projecting piece in a state where the projecting piece is inserted into the through-hole. There is.

  In this case, a plurality of the protruding pieces are formed at intervals in the extending direction of the one door frame garnish, and respectively correspond to the protruding pieces at intervals in the extending direction of the weather strip. A plurality of the through holes may be formed.

  As described above, according to the weather strip mounting structure of Patent Document 1 and Patent Document 2, the entire lip portion may vibrate. On the other hand, according to the weatherstrip mounting structure according to the present invention, when the base side end of the lip part is supported by being in contact with the protruding piece, and the lip part is in contact with the other door frame garnish. Only the tip portion of the lip portion is bent. That is, only the tip portion of the lip portion is affected by vibrations during traveling of the vehicle, air flowing along the side surface of the vehicle, and the like. Therefore, compared with the vehicle to which the conventional weather strip mounting structure is applied, there is a low possibility that abnormal noise will occur.

  Another feature of the present invention is that the protruding piece has a locking portion that contacts the peripheral edge of the through-hole while being inserted into the through-hole to lock the weather strip.

  According to this, the protruding piece functions as a support portion that supports the lip portion and a locking portion that locks the weather strip. Therefore, the number of parts can be reduced and the number of assembling steps can be reduced as compared with the case where the supporting portion for supporting the lip portion and the locking portion for locking the weather strip are provided separately.

  Another feature of the present invention is that the weather strip extends from an end of the base portion on the passenger compartment side and is held between the one door frame garnish and the window frame. A weather strip mounting structure having a portion.

  According to this, the weather strip can be more reliably fixed as compared with the case where the weather strip is locked only by the locking portion.

1 is a side view of a left door of a vehicle to which a weather strip mounting structure according to an embodiment of the present invention is applied. It is AA sectional drawing of FIG. It is a perspective view which shows the longitudinal direction intermediate part of a weather strip and a door frame garnish. It is the expansion perspective view which expanded the peripheral part of the protrusion piece. It is the enlarged side view which expanded the peripheral part of the protrusion piece. It is the expansion perspective view which expanded the peripheral part of a through-hole.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. First, as shown in FIG. 1, an outline of a left door VD of a vehicle to which a weather strip 10 mounting structure according to the present invention is applied will be described. In the present embodiment, an example in which the present invention is applied to the left door VD will be described as an example. However, the present invention is not limited to the left door VD and can be applied to other doors.

The door VD includes a front door VD _f and a rear door VD _r . The front door VD _f includes a door panel DP _f and a door sash DS _f . The door panel DP _f is formed in a bag shape by overlapping an inner panel and an outer panel. Window regulator device is incorporated that is in the door panel DP _f not shown. A door glass DG _f that can be moved forward and backward is assembled to the window regulator device above the door panel DP _f . Door glass DG _f is moved up and down by the window regulator apparatus is driven. The door sash DS _f is a window frame that surrounds the outer edge (upper edge, front edge, and rear edge) of the door glass DG _f that has advanced above the door panel DP _f . A glass run for guiding the vertical movement of the door glass DG _f is attached to the door sash DS _f .

The door sash DS _f includes a first vertical pillar portion VF _f1 , a second vertical pillar portion VF _f2 and an upper edge portion UF _f . The first vertical pillar portion VF _f1 constitutes the front side of the door sash DS _f . The first standing column portion VF _f1 extends upward and slightly rearward from the front end portion of the door panel DP _f . The lower end of the first vertical portion VF _f1 is joined to the door panel DP _f is inserted between the inner panel and the outer panel of the door panel DP _f.

The second vertical column portion VF _f2 constitutes the rear side of the door sash DS _f . The second upright column portion VF _f2 extends upward and slightly rearward from the rear end portion of the door panel DP _f . The lower end of the second vertical portion VF _f2 is joined to the door panel DP _f is inserted between the inner panel and the outer panel of the door panel DP _f. The second vertical column portion VF _f2 includes a plate-like portion having a surface facing outward of the vehicle, and the door frame garnish 20 is bonded to the plate-like portion.

The upper edge portion UF _f constitutes the upper side of the door sash DS _f . The upper end of the first standing column portion VF _{f1 and} the upper end of the second standing column portion VF _f2 are connected by the upper edge portion UF _f . Upper edge UF _f is curved upward convex (arcuate).

The rear door VD _r is configured similarly to the front door VD _f . In other words, the rear door VD _r is provided with a door panel DP _r, door sash DS _r and door glass DG _r. Door sash DS _r has a first vertical portion _{VF r1,} the second vertical portion _{VF r2} and top edge UF _r.

The first vertical column portion VF _r1 constitutes a side on the rear side of the door sash DS _r . The first upright column portion VF _r1 extends upward and forward from the rear end portion of the door panel DP _r . The lower end of the first vertical portion VF _r1 is joined to the door panel DP _r is inserted between the inner panel and the outer panel of the door panel DP _r.

The second vertical pillar portion VF _r2 constitutes the front side of the door sash DS _r . The second vertical column portion VF _r2 extends upward and slightly rearward from the front end portion of the door panel DP _r . The lower end of the second vertical portion VF _r2 is joined to the door panel DP _r is inserted between the inner panel and the outer panel of the door panel DP _r. The second vertical column portion VF _r2 includes a plate-like portion having a surface facing outward of the vehicle, and the door frame garnish 30 is bonded to the plate-like portion. A weather strip 10 described later is attached to the door frame garnish 30.

Upper edge UF _r constitutes the upper side of the door sash DS _r. The upper end of the first standing column portion VF _{r1 and} the upper end of the second standing column portion VF _r2 are connected by the upper edge portion UF _r . Upper edge UF _r is formed substantially linearly.

In a state in which the front door VD _f and the rear door VD _r are closed, a gap G extending in the vehicle height direction is formed between the rear end of the front door VD _f and the front end of the rear door VD _r . This gap G is closed by a weather strip 10 to be described next.

  Next, the attachment structure of the weather strip 10 will be described. First, the configuration of the weather strip 10 will be described. The weather strip 10 is made of synthetic rubber. The weather strip 10 extends in the vehicle height direction. As shown in FIG. 2, the weather strip 10 has a base portion 11, a lip portion 12, and a holding portion 13. The base 11 is formed in a plate shape extending in the vehicle height direction (a direction perpendicular to the paper surface in FIG. 2) and perpendicular to the vehicle front-rear direction. As shown in FIG. 3, the base 11 is formed with a plurality of through holes H penetrating in the vehicle front-rear direction. The through holes H are formed at intervals in the vehicle height direction. Each through hole H is formed in a slit shape extending in the vehicle height direction. The lip portion 12 extends forward from the left end portion (the end portion on the side opposite to the vehicle compartment) in the base portion 11 and is curved to the right side (vehicle compartment side). The holding part 13 has a first wall part 131 to a third wall part 133. The first wall 131 is formed in a plate shape extending in the vehicle height direction and perpendicular to the vehicle width direction. The front end of the first wall 131 is connected to the right end of the base 11. Further, the second wall portion 132 extends leftward and rearward from the rear end of the first wall portion 131. The third wall portion 133 extends backward from the rear end of the second wall portion 132. A groove C that is surrounded by the base 11, the first wall 131, and the second wall 132 and extends in the vehicle height direction is formed at the center of the weatherstrip 10 in the vehicle longitudinal direction.

  The weather strip 10 is manufactured as follows. First, an intermediate molded body having a cross-sectional outline similar to the cross-sectional outline of the base part 11, the lip part 12 and the holding part 13 is manufactured using an extrusion molding method. The plurality of through holes H are formed in a portion corresponding to the base portion 11 in the intermediate molded body. In this way, the weather strip 10 is manufactured.

Next, the configuration of the door frame garnish 20 will be described (see FIG. 2). The door frame garnish 20 is made of synthetic resin. The door frame garnish 20 is integrally manufactured using an injection molding method. Door frame garnish 20 has a body portion 21 formed in parallel plate to the plate-like portion of the second vertical portion VF _f2 and extending in the vehicle height direction along the second vertical portion VF _f2. On the right surface of the main body portion 21 (surface on the passenger compartment side), a ridge portion 22 that protrudes to the right and extends in the vehicle height direction is formed. The protruding portion 22 is formed along the rear end edge of the main body portion 21.

Next, the configuration of the door frame garnish 30 will be described. The door frame garnish 30 is made of synthetic resin. The door frame garnish 30 is integrally manufactured using an injection molding method. Door frame garnish 30 has a body portion 31 formed in parallel plate to the plate-like portion of the second vertical portion VF _r2 and extending in the vehicle height direction along the second vertical portion VF _r2. On the right surface of the main body 31, a ridge 32 that protrudes rightward and extends in the vehicle height direction is formed. The ridge portion 32 is formed along the front end edge of the main body portion 31.

Also, as shown in FIG. 3, a plurality of protruding pieces P corresponding to the plurality of through holes H are formed on the front end surface of the main body 31. Each protruding piece P protrudes forward from the front end surface of the main body 31. Each protrusion piece P is formed at intervals in the vehicle height direction. As shown in FIGS. 4 and 5, each protruding piece P has a plate-like base end portion P <b> 1 protruding forward from the front end surface of the main body portion 31. The left surface of the base end portion P <b> 1 is located slightly to the right of the left surface of the main body portion 31. The base end portion P1 is formed in a plate shape extending in the vehicle height direction and perpendicular to the vehicle width direction. A dimension L _P1 in the vehicle height direction of the base end portion P1 is equivalent to a dimension L _H in the vehicle height direction of the through hole H (see FIGS. 4 to 6). Further, the vehicle longitudinal direction dimension _{D P1} of the base end portion P1 is equivalent to the thickness _{T 11} of the base 11. Further, the thickness T _P1 of the base end portion P1 is equivalent to the dimension W _H in the vehicle width direction of the through hole H. A locking part P2 is formed at the front end of the base end part P1. The locking part P2 is formed in a plate shape parallel to the base end part P1. A dimension L _P2 of the locking portion P2 in the vehicle height direction is slightly larger than a dimension L _P1 of the base end portion P1 in the vehicle height direction. That is, the dimension L _P2 in the vehicle height direction of the locking portion P2 is slightly larger than the dimension L _H in the vehicle height direction of the through hole H. The upper end of the locking part P2 is positioned slightly above the upper end of the base end part P1, and the lower end of the locking part P2 is positioned slightly below the lower end of the base end part P1. Vehicle longitudinal direction dimension D _P2 of the locking portion P2 is slightly greater than the dimension D _P1 vehicle longitudinal direction of the base end portion P1. Wall thickness _{T P2} of the locking portion P2 is, slightly larger than the thickness _{T P1} of the base end portion P1. That is, the thickness T _P2 of the locking portion P2 is slightly greater than the dimension W _H in the vehicle width direction of the through hole H. The right surface of the locking portion P2 is positioned slightly to the right of the right surface of the base end portion P1, and the left surface of the locking portion P2 is positioned slightly to the left of the left surface of the base end portion P1.

  Next, a procedure for attaching the weather strip 10 will be described. First, each protruding piece P of the door frame garnish 30 is inserted into each through hole H from the rear surface side of the base 11 of the weather strip 10. As described above, each dimension of the locking portion P2 is slightly larger than each dimension of the through hole H. However, since the weather strip 10 is made of synthetic rubber, the locking portion P2 is pressed against the through hole H. Each through-hole H is expanded and the protruding piece P is inserted into the through-hole H. In a state where the locking portion P2 is inserted into the through hole H and protrudes to the front side of the base portion 11, each locking portion P2 comes into contact with the peripheral edge portion of the through hole H. As a result, the weather strip 10 is locked. The left surface of each locking portion P2 is in contact with the inner side surface (the surface on the vehicle compartment side) of the rear end portion (the end portion on the base end portion 11 side) of the lip portion 12. Further, the rear surface of the base portion 11 is in contact with the front end surface of the main body portion 31 of the door frame garnish 30.

And the main body part 31 is adhere _{| attached} on 2nd standing pillar part VFr2 using the double-sided tape TP in the state which inserted the protrusion 32 of the door frame garnish 30 in the groove part C of the weather strip 10 (refer FIG. 2). In a state where the door frame garnish 30 is bonded to the second vertical column portion VF _r2 , the rear end portion of the third wall portion 133 of the holding portion 13 is sandwiched between the door frame garnish 30 and the second vertical column portion VF _r2. Yes. When the front door VD _f and the rear door VD _r are attached to the vehicle body and both doors are closed, the outer side surface (surface opposite to the vehicle compartment) of the tip portion (curved portion) of the lip portion 12 is Abutting on the rear end surface of the door frame garnish 20 (one or both of the rear end surface of the main body portion 21 and the rear end surface of the protruding portion 22), the front end portion of the lip portion 12 is slightly bent. The left end surface of the base 11 and the outer surface (surface opposite to the passenger compartment) at the rear end of the lip portion 12 are the left side of the main body portion 21 of the door frame garnish 20 and the main body portion 31 of the door frame garnish 30. Located in substantially the same plane.

  According to the weatherstrip mounting structure of Patent Document 1 and Patent Document 2, the entire lip portion may vibrate when the vehicle is traveling. On the other hand, according to the present embodiment, since the right surface of the rear end portion of the lip portion 12 is supported by being in contact with the protruding piece P, only the front end portion of the lip portion 12 is subjected to vibration during traveling of the vehicle. Influenced by the influence of air flowing along the side of the vehicle. Therefore, compared with the vehicle to which the weatherstrip mounting structure of Patent Literature 1 and Patent Literature 2 is applied, there is a low possibility that the lip portion 12 vibrates and abnormal noise is generated. Further, the locking portion P <b> 2 for locking the weather strip 10 also functions as a support portion that supports the lip portion 12. Therefore, the number of parts can be reduced and the number of assembling steps can be reduced as compared with the case where the locking portion for locking the weather strip 10 and the support portion for supporting the lip portion 12 are provided separately.

Further, the left end surface of the base 11 of the weather strip 10 and the left surface of the rear end of the lip portion 12 are located in substantially the same plane as the left surface of the main body portion 21 of the door frame garnish 20 and the main body portion 31 of the door frame garnish 30. ing. Therefore, at the boundary between the front door VD _f and the rear door VD _r of the vehicle to which the weather strip 10 mounting structure according to the present embodiment is applied, a recess extending in the vehicle height direction, such as the vehicle of Patent Document 1 above. Is not formed. Therefore, during traveling of the vehicle, the vortex flow is generated in the vicinity of the boundary portion of the front door VD _f and the rear door VD _r, it can be suppressed abnormal noise occurs. In addition, the appearance of the vehicle to which the weather strip 10 mounting structure according to the present embodiment is applied is better than the appearance of the vehicle to which the weather strip mounting structure of Patent Document 1 is applied.

Further, the third wall 133 of the holding portion 13 is sandwiched and held between the door frame garnish 30 and the second upright column portion VF _r2 . According to this, the weather strip 10 can be more securely fixed to the rear door VD _r as compared with the case where the weather strip 10 is locked only by the locking portion P2.

  Furthermore, in carrying out the present invention, the present invention is not limited to the above embodiment, and various modifications can be made without departing from the object of the present invention.

For example, in a state where the weather strip 10 is attached to the door frame garnish 30, a gap may be formed between the lip portion 12 and the locking portion P2. In this case, the front door VD _f and the rear door VD _r are attached to the vehicle body, both doors are closed, the lip portion 12 contacts the rear end surface of the door frame garnish 20 of the front door, and the lip portion 12 bends. What is necessary is just to comprise so that the lip | rip part 12 and the latching | locking part P2 may contact | abut in a state.

G ... Gap, H ... Through hole, P ... Projection piece, P2 ... Locking part, VD _f ... Front door, VD _r ... Rear door, 10 ... Weather strip, DESCRIPTION OF SYMBOLS 11 ... Base part, 12 ... Lip part, 13 ... Holding part, 20 ... Door frame garnish, 21 ... Main body part, 22 ... Projection part, 30 ... Door frame garnish , 31 ... body part, 32 ... ridge part, 131 ... first wall part, 132 ... second wall part, 133 ... third wall part

Claims (4)

A rear end of a door frame garnish extending along the rear side of the window frame of the front door of the vehicle, and a front end of a door frame garnish extending along the front side of the window frame of the rear door of the vehicle; A weatherstrip mounting structure that closes the gap between
A projecting piece projecting toward the other door frame garnish is formed on the end surface of one of the door frame garnish of the front door and the door frame garnish of the rear door,
The weatherstrip is
A base extending along an end surface of the one door frame garnish, and a base formed with a through hole into which the protruding piece is inserted;
A lip portion that extends from a portion of the base portion located on the outer side in the vehicle width direction than the through hole toward the other door frame garnish, and abuts against an end surface of the other door frame garnish,
A weather strip mounting structure in which an end on the base side of the lip portion can come into contact with the protruding piece in a state where the protruding piece is inserted into the through hole. The weather strip mounting structure according to claim 1,
A plurality of the protruding pieces are formed at intervals in the extending direction of the one door frame garnish,
A weatherstrip mounting structure in which a plurality of the through holes corresponding to the plurality of protruding pieces are formed at intervals in the extending direction of the weatherstrip. The weatherstrip mounting structure according to claim 1 or 2,
The projecting piece has a weather strip mounting structure having a locking portion that contacts the peripheral edge of the through hole and locks the weather strip while being inserted into the through hole. The weatherstrip mounting structure according to claim 3,
A weatherstrip mounting structure, wherein the weatherstrip has a holding portion that extends from an end of the base portion on the passenger compartment side and is held between the one door frame garnish and the window frame.

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