JP2008132862A - Cowl louver structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To suppress generation of abnormal noise from an assembly part of a cowl louver to a windshield glass. <P>SOLUTION: With the cowl louver 14 mounted to the windshield glass 12, a front end part 12A of the windshield glass 12 and a buffer block 40 disposed to a lower face side of the front end part 12A of the windshield glass 12 are caught from a vehicular vertical direction, by means of catching part 30G of a holding piece 30 rotatably disposed to a wall part 14C of the cowl louver 14, and a protector 18 disposed to a rear end part 14A of the cowl louver 14. A clearance is formed between a flange 30K of the holding piece 30 and a lower face 12D of the windshield glass 12, to prevent the abnormal noise caused by abutment of the flange 30K of the holding piece 30 with the lower face 12D of the windshield glass 12. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a cowl louver structure, and more particularly to a cowl louver structure in which a cowl louver is supported by a windshield glass.

2. Description of the Related Art Conventionally, a cowl louver structure in which a cowl louver is supported by a windshield glass is known (see, for example, Patent Document 1). In this technology, a narrow piece is provided on the louver body via a support piece so as to be rotatable from the non-narrow position to the narrow position, and the narrow piece rotated to the narrow position is integrated with the rear edge of the louver body. It is clamped by the windshield with the protector part formed in.
JP-A-8-118944

  However, in the technique of Patent Literature 1, the narrow piece hits the lower surface of the windshield. As a result, it is difficult to select the material of the narrow piece, the contact pressure, and the like in order to prevent the generation of noise from the contact portion between the narrow piece and the windshield when the vehicle travels.

  In view of the above facts, an object of the present invention is to provide a cowl louver structure capable of suppressing the generation of abnormal noise from the part where the cowl louver is attached to the windshield glass.

  According to a first aspect of the present invention, there is provided a cowl louver structure including a cowl louver provided on a front side of a windshield glass, a buffer member provided on a lower surface side of a front end portion of the windshield glass, and a vehicle on a lower surface of the cowl louver. A clamp that is provided so as to be rotatable about a rotation shaft along the width direction and that sandwiches the buffer member and the front end of the windshield glass from the thickness direction of the windshield glass at the rear end of the cowl louver. A holding member provided with a holding part that holds the holding part in the holding position, and a holding part that holds the holding part in the holding position. Features.

  A holding member provided on the lower surface of the cowl louver provided on the front side of the windshield glass so as to be rotatable around the rotation shaft along the vehicle width direction is connected to the rear end of the cowl louver. And a buffer member provided on the lower surface side of the front end portion of the windshield glass are sandwiched from the thickness direction of the windshield glass. At this time, the holding member is held at the holding position by the holding position holding means, and the holding portion of the holding member hits the buffer member and is not in contact with the windshield glass. For this reason, the sandwiching part of the sandwiching member and the windshield glass glass do not come into contact with each other and no abnormal noise is generated.

  According to a second aspect of the present invention, in the cowl louver structure according to the first aspect, the cowl louver structure includes an elastic member provided at a rear end portion of the cowl louver and sandwiched between the cowl louver and a front end portion of the windshield glass. It is characterized by that.

  An elastic member provided at the rear end of the cowl louver is sandwiched between the cowl louver and the front end of the windshield glass. For this reason, the cowl louver does not directly contact the front end of the windshield glass. As a result, it is possible to prevent abnormal noise generated by contact between the cowl louver and the windshield glass.

  According to a third aspect of the present invention, in the cowl louver structure according to the first or second aspect, the holding position holding means is engaged with a through hole provided in the holding member and formed in the cowl louver. It is a nail.

  The engaging claw provided on the holding member engages with the through hole formed in the cowl louver, whereby the holding member is held at the holding position. For this reason, the holding member can be held at the clamping position with a simple configuration.

  According to a fourth aspect of the present invention, in the cowl louver structure according to the first or second aspect, the holding position holding means is provided on the holding member and is pressed against the buffer member so that the holding member is It is a hinge part hold | maintained in a clamping position, It is characterized by the above-mentioned.

  Since the holding member is held at the holding position by pressing the hinge portion provided on the holding member against the buffer member, the holding member can be held at the holding position with a small number of parts.

  According to a fifth aspect of the present invention, in the cowl louver structure according to any one of the first to fourth aspects, the holding member is provided on the vehicle rear side of the holding position holding means, and the buffer member is disposed on the rear side of the vehicle. It has a pressure receiving part which moves the holding member to the holding position by being pressed from the side.

  The pressure receiving portion provided on the vehicle rear side of the holding position holding means in the holding member moves the cowl louver from the vehicle front side to the vehicle rear side, so that the buffer member buffer provided on the lower surface side of the front end portion of the windshield glass The member is pressed toward the front side of the vehicle, and the holding member moves to the clamping position. For this reason, the cowl louver can be assembled to the windshield glass from the front side of the vehicle. As a result, it becomes easy to confirm the assembly position of the cowl louver to the windshield glass.

  According to the first aspect of the present invention, it is possible to suppress the generation of abnormal noise from the assembly portion of the cowl louver to the windshield glass.

  According to the second aspect of the present invention, it is possible to further suppress the generation of abnormal noise from the assembly portion of the cowl louver to the windshield glass.

  According to the third aspect of the present invention, the structure of the assembly portion of the cowl louver to the windshield glass can be simplified.

  The present invention according to claim 4 can reduce the number of parts of the assembly part of the cowl louver to the windshield glass.

  According to the fifth aspect of the present invention, the assembly of the cowl louver to the windshield glass is improved.

  1st Embodiment of the cowl louver structure in this invention is described according to FIGS.

  In the figure, the arrow UP indicates the vehicle upward direction, the arrow FR in the figure indicates the vehicle forward direction, and the arrow IN in the figure indicates the vehicle width inside direction.

  FIG. 5 is a perspective view of a vehicle to which the cowl louver structure according to this embodiment is applied as seen from the front side of the vehicle.

  As shown in FIG. 5, a cowl louver 14 is provided on the vehicle front side of the front end portion 12 </ b> A of the windshield glass 12 in the vehicle (automobile) 10. The cowl louver 14 is made of a resin material and extends in the vehicle width direction along the front end portion 12A of the windshield glass 12 of the vehicle 10.

  FIG. 1 shows an enlarged cross section along the 1-1 cross section line of FIG.

  As shown in FIG. 1, a protector 18 as an elastic member is provided at the rear end portion 14A of the cowl louver 14, and the protector 18 and the cowl louver 14 are made of different resin materials. For example, the cowl louver 14 is made of a relatively hard resin material such as f-PP (polypropylene), and the protector 18 is made of a relatively soft resin material such as TPE (thermoplastic elastomer).

  The protector 18 extends in the vehicle width direction along the rear end portion 14A of the cowl louver 14. Further, the front end portion 18A of the protector 18 wraps the rear end portion 14A of the cowl louver 14 from the thickness direction of the cowl louver 14, and the protector 18 is provided between the rear end portion 14A of the cowl louver 14 and the front end portion 12A of the windshield glass 12. 18 front end portions 18A are interposed. For this reason, the noise which generate | occur | produces when the rear-end part 14A of the cowl louver 14 and the front-end part 12A of the windshield glass 12 contact | win directly can be prevented.

  The rear end portion 18B of the protector 18 is in close contact with the upper surface 12B of the windshield glass 12, so that damage and vibration of the protector 18 are prevented. Further, a wall portion 14C is erected on the lower surface 14B of the cowl louver 14 in the vicinity of the rear end portion 14A toward the vehicle lower side.

  FIG. 4 is an exploded perspective view of a part of the cowl louver in the present embodiment as seen from the obliquely rearward side of the vehicle width.

  A plurality of through holes 22 are formed in the wall portion 14C of the cowl louver 14 at predetermined intervals in the vehicle width direction, and the shape of the through holes 22 is rectangular. Further, a pair of left and right hinge portions 14E are erected on the lower side of both ends in the vehicle width direction of the through hole 22 on the lower surface 14D of the wall portion 14C so as to extend downward in the vehicle, and the lower end portion of the hinge portion 14E. A bearing hole portion 24 is formed in which the axial direction is the vehicle width direction.

  A pair of left and right shaft portions 30B as rotating shaft portions protruding from the side surface 30A of the holding piece 30 as a holding member are rotatably supported in the bearing hole portions 24 of the pair of left and right hinge portions 14E. Further, the holding piece 30 is L-shaped when viewed from the vehicle width direction, and a shaft portion 30B is set at the central bent portion 30C. Further, the holding piece 30 is formed with a pair of left and right engaging claw portions 30D as holding position holding means on one side with the central bent portion 30C interposed therebetween, and these engaging claw portions 30D are formed on the wall portion 14C. The front end of the through-hole 22 is engaged with the peripheral portion 22A in the vehicle width direction.

  FIG. 3 is an enlarged cross-sectional view taken along the line 3-3 in FIG.

  As shown in FIG. 3, an inclined portion 30E is formed on the outer side of the tip of the engaging claw portion 30D. Further, the pair of left and right engaging claws 30D can be elastically deformed in directions approaching each other (in the direction of arrow C in FIG. 3) with respect to the base connecting part 30F as a pressure receiving part connecting the base parts of each other. Yes.

  Accordingly, when the pair of left and right engaging claws 30D moves from the vehicle rear side to the vehicle front side (in the direction of arrow A in FIG. 3), as shown by a two-dot chain line in FIG. When the inclined portion 30E provided on the outer side of the tip slides with the left and right inner wall portions 22B of the through hole 22, the pair of left and right engaging claw portions 30D are elastically deformed in a direction approaching each other. For this reason, the pair of left and right engaging claws 30D pass through the through hole 22, and after passing through the through hole 22, as shown by a solid line in FIG. The through holes 22 are engaged with the vehicle width direction peripheral portion 22A.

  As shown in FIG. 1, a plurality of buffer blocks 40 as buffer members are attached to the lower surface 12D of the front end portion 12A of the windshield glass 12 at predetermined intervals along the vehicle width direction. The block 40 is made of an elastic member such as foamable EPDM (ethylene propylene rubber). Moreover, the shape of the buffer block 40 viewed from the vehicle width direction is a rectangular shape, and the front wall portion 40A of the buffer block 40 protrudes from the front wall portion 12C of the windshield glass 12 toward the front of the vehicle.

  Accordingly, the front wall portion 40A of the buffer block 40 hits the root connecting portion 30F of the holding piece 30, and a gap is formed between the front wall portion 12C of the windshield glass 12 and the root connecting portion 30F of the holding piece 30. It is like that. For this reason, the noise which generate | occur | produces when the front wall part 12C of the windshield glass 12 and the base connection part 30F of the holding piece 30 contact | win can be prevented.

  On the other hand, a holding portion 30G is formed on the other side (the vehicle rear side in FIG. 1) of the holding piece 30 with the central bent portion 30C interposed therebetween. The sandwiching portion 30G is provided at the bottom wall portion 30H that supports the lower wall portion 40B of the buffer block 40 from the lower side of the vehicle, and the front end (rear end) of the bottom wall portion 30H. The rear wall portion 30J is supported from the side, and the front end portion (upper end portion) of the rear wall portion 30J is a flange 30K that is obliquely bent in a direction away from the buffer block 40 (rear side of the vehicle).

  Accordingly, as shown in FIG. 1, the pair of left and right engaging claws 30D of the holding piece 30 are sandwiched in a state where each of the wall portions 14C engages with the peripheral portion 22A in the vehicle width direction of the through hole 22 (a sandwiched state). The bottom wall portion 30H of the portion 30G hits the lower wall portion 40B of the buffer block 40, and the rear wall portion 30J of the clamping portion 30G hits the rear wall portion 40C of the buffer block 40. That is, the rear end portion of the cowl louver 14 is connected to the front end portion 12A of the windshield glass 12 by holding the front end portion 12A of the windshield glass 12 and the buffer block 40 between the holding portion 30G of the holding piece 30 and the protector 18. Installed.

  Further, the height H1 of the flange 30K from the bottom wall portion 30H is set lower than the height H2 of the buffer block 40. For this reason, a gap is formed between the flange 30K of the holding piece 30 and the lower surface 12D of the windshield glass 12 in the sandwiched state. That is, in the clamping state, the flange 30K of the holding piece 30 and the lower surface 12D of the windshield glass 12 are not in contact with each other. As a result, it is possible to prevent noise generated by the contact between the flange 30K of the holding piece 30 and the lower surface 12D of the windshield glass 12.

  Although not shown, the front end portion of the cowl louver 14 is attached to the vehicle body (the front portion of the cowl) with a plurality of clips or the like.

  The lower surface 12D of the windshield glass 12 is fixed to the vehicle body (rear part of the cowl) 50 with a urethane-based adhesive 52.

  Next, how to attach the cowl louver 14 to the windshield glass 12 in this embodiment will be described.

  As shown in FIG. 2, before the cowl louver 14 is attached to the windshield glass 12, the holding piece 30 is set to the non-clamping position. That is, the engaging claw portion 30D of the holding piece 30 is separated from the vehicle rear side of the wall portion 14C of the cowl louver 14, the holding portion 30G of the holding piece 30 is moved downward, and the root connecting portion 30F is moved rearward of the vehicle. The base connecting portion 30F is disposed at a position where it can contact the front wall portion 40A of the buffer block 40 attached to the windshield glass 12.

  Note that the holding piece 30 is held in the non-clamping position shown in FIG. 2 by its own weight, and is easy to assemble.

  Next, when the cowl louver 14 is moved from the vehicle front side to the vehicle rear side (in the direction of arrow B in FIG. 2) with respect to the front end portion 12 </ b> A of the windshield glass 12, the front wall portion 40 </ b> A of the buffer block 40 is attached to the holding piece 30. When hitting the root connecting portion 30F, the root connecting portion 30F is pressed from the vehicle rear side to the vehicle front side (in the direction of arrow A in FIG. 2). When the root connecting portion 30F is pressed from the vehicle rear side to the vehicle front side, the holding piece 30 rotates forward of the vehicle (in the direction of arrow D in FIG. 2) with the shaft portion 30B as the rotation center.

  As a result, as shown by a two-dot chain line in FIG. 3, the inclined portion 30E provided on the outer end of the pair of left and right engaging claw portions 30D slides on the left and right inner wall portions 22B of the through hole 22 formed in the wall portion 14C. By moving, the pair of left and right engaging claws 30D are elastically deformed in a direction approaching each other. For this reason, the pair of left and right engaging claws 30D pass through the through hole 22, and after passing through the through hole 22, as shown by a solid line in FIG. The through holes 22 are respectively engaged with the vehicle width direction peripheral edge portion 22A and held at the holding position shown in FIG.

  Thereafter, the front end portion of the cowl louver 14 is attached to the vehicle body. The mounting of the front end portion of the cowl louver 14 to the vehicle body is not described in detail because it is a known assembly method.

  Therefore, in this embodiment, when the cowl louver 14 is assembled, the cowl louver 14 is provided on the lower surface 12D of the front end 12A of the windshield glass 12 in order to move the cowl louver 14 from the vehicle front side to the vehicle rear side (arrow B direction). It is easy to see the position of the buffer block 40 in the vehicle width direction from the front side of the vehicle. Therefore, unlike the case of assembling from above the vehicle, the positioning of the holding piece 30 provided on the cowl louver 14 and the buffer block 40 is facilitated, and the assembling property of the cowl louver 14 is improved.

  Next, the operation of this embodiment will be described.

  In the present embodiment, as shown in FIG. 1, the front end portion 12 </ b> A of the windshield glass 12 and the lower surface side of the front end portion 12 </ b> A of the windshield glass 12 when the cowl louver 14 is attached to the windshield glass 12 (holding position). The thickness of the windshield glass 12 is composed of the buffer block 40 provided on the wall 14C of the cowl louver 14 and the protector 18 provided on the rear end 14A of the cowl louver 14 with a holding part 30G provided rotatably on the wall part 14C of the cowl louver 14. It is clamped from the direction (arrow W direction in FIG. 1). The height H1 of the flange 30K from the bottom wall portion 30H is set lower than the height H2 of the buffer block 40, and between the flange 30K of the holding piece 30 and the lower surface 12D of the windshield glass 12. A gap is formed.

  That is, in the clamping state, the flange 30K of the holding piece 30 and the lower surface 12D of the windshield glass 12 are not in contact with each other. As a result, it is possible to prevent noise generated by the flange 30K of the holding piece 30 and the lower surface 12D of the windshield glass 12 hitting each other.

  Further, in the sandwiched state, the front wall portion 40A of the buffer block 40 hits the root connecting portion 30F of the holding piece 30, and there is a gap between the front wall portion 12C of the windshield glass 12 and the root connecting portion 30F of the holding piece 30. Is formed.

  That is, in the sandwiched state, the base connecting portion 30F of the holding piece 30 and the front wall portion 12C of the windshield glass 12 are brought into a non-contact state. For this reason, the noise which generate | occur | produces when 12 C of front wall parts of the windshield glass 12 and the base connection part 30F of the holding piece 30 contact | win can be prevented.

  Further, since the front end portion 18A of the protector 18 is interposed between the rear end portion 14A of the cowl louver 14 and the front end portion 12A of the windshield glass 12 in the sandwiched state, the rear end portion 14A of the cowl louver 14 and the protector 18 Abnormal noise generated by direct contact with the front end 18A can be prevented.

  Therefore, in the cowl louver structure of the present embodiment, it is possible to suppress the generation of abnormal noise from the attachment portion of the cowl louver 14 to the windshield glass 12, and to improve the assembly of the cowl louver 14 to the windshield glass 12.

  Further, in the present embodiment, the engaging piece 30D of the holding piece 30 is engaged with the peripheral portion 22A in the vehicle width direction of the through hole 22 formed in the wall portion 14C of the cowl louver 14, thereby holding the holding piece 30 in the clamping position. Therefore, the holding piece 30 can be held in the clamping position with a simple configuration.

  Next, a second embodiment of the cowl louver structure of the present invention will be described with reference to FIGS.

  In addition, about the same member as 1st Embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

  FIG. 6 shows a cross-sectional view corresponding to FIG. 1 in the cowl louver structure of the present embodiment, and FIG. 7 shows a cross-sectional view corresponding to FIG. 2 in the cowl louver structure of the present embodiment.

  As shown in FIGS. 6 and 7, in the present embodiment, instead of the shaft portion 30B of the holding piece 30, the hinge portion 14E of the cowl louver 14, and the through hole 22 of the wall portion 14C in the first embodiment, The upper end of the front wall portion 30L as the pressure receiving portion is connected to the lower end of the wall portion 14C of the cowl louver 14 by a hinge portion 60 as a holding position holding means provided along the vehicle width direction.

  Further, a hinge portion 62 as a holding position holding means is formed along the vehicle width direction in the vehicle vertical direction intermediate portion of the wall portion 14C of the cowl louver 14, and the holding piece 30 is formed by these hinge portions 60, 62. Is movable to the non-clamping position shown in FIG. 7 and the clamping position shown in FIG.

  In addition, a groove having a triangular cross section is formed in the wall portion 14C from the vehicle front side in the hinge portion 62, and a groove having a triangular cross section is formed in the hinge portion 60 from the vehicle rear side. In the non-clamping position, as shown in FIG. 7, the lower portion of the wall portion 14 </ b> C and the front wall portion 30 </ b> L of the holding piece 30 are bent convexly toward the rear of the vehicle by the hinge portion 62 and the hinge portion 60. Yes.

  Therefore, when the cowl louver 14 is moved from the vehicle front side to the vehicle rear side (in the direction of arrow B in FIG. 7) with respect to the front end portion 12A of the windshield glass 12 in the non-clamping position, as shown in FIG. The front wall portion 40A hits the front wall portion 30L of the holding piece 30 and presses the front wall portion 30L from the vehicle rear side to the vehicle front side (in the direction of arrow A in FIG. 6).

  As a result, the front wall portion 30L of the holding piece 30 is rotated to the vehicle front side by the hinge portion 60, and the lower portion of the wall portion 14C is rotated to the vehicle front side by the hinge portion 62, so that the wall portion 14C and the holding piece 30 are The front wall portion 30L moves to a clamping position (position in FIG. 6) where it is a straight line. Further, in the clamping position, the triangular cross-section grooves of the hinge portions 60 and 62 are closed, and the wall portion 14C and the front wall portion 30L of the holding piece 30 are not further rotated forward of the vehicle. For this reason, the holding piece 30 is hold | maintained in the clamping position shown in FIG.

  Therefore, also in this embodiment, the same effect as that of the first embodiment can be obtained.

  Further, in the present embodiment, the upper end of the front wall portion 30L of the holding piece 30 is connected to the lower end of the wall portion 14C of the cowl louver 14 by the hinge portion 60, and the hinge portion 62 is formed at the vehicle vertical direction intermediate portion of the wall portion 14C. Because of the configuration, the cowl louver 14 and the holding piece 30 can be made into one part. As a result, the number of parts can be reduced.

  In the above, the present invention has been described in detail with respect to specific embodiments. However, the present invention is not limited to the above embodiments, and various other embodiments are possible within the scope of the present invention. It will be apparent to those skilled in the art. For example, in the first embodiment, the shaft portion 30B is protruded from the side surface 30A of the holding piece 30. However, instead of this, a shaft made of metal or the like may be passed through the holding piece 30.

  Moreover, in each said embodiment, although the shape seen from the vehicle width direction of the buffer block 40 was made into the rectangular shape, the shape seen from the vehicle width direction of the buffer block 40 is good also as other shapes, such as a circle.

  Moreover, in each said embodiment, although it was set as the structure which presses the holding piece 30 with the buffer block 40 provided in 12 A of front-end parts of the windshield glass 12, it is good also as a structure which presses the holding piece 30 with the windshield glass 12. .

FIG. 6 is an enlarged sectional view taken along the 1-1 section line in FIG. 5. It is sectional drawing corresponding to FIG. 1 which shows the state before the assembly | attachment of the cowl louver structure which concerns on 1st Embodiment of this invention. FIG. 3 is an enlarged cross-sectional view taken along a line 3-3 in FIG. 1. It is the disassembled perspective view seen from the vehicle width inside diagonally back which shows the principal part of the cowl louver structure which concerns on 1st Embodiment of this invention. It is the perspective view seen from the vehicle diagonal front which shows the vehicle to which the cowl louver structure which concerns on 1st Embodiment of this invention is applied. It is sectional drawing corresponding to FIG. 1 which shows the cowl louver structure which concerns on 2nd Embodiment of this invention. It is sectional drawing corresponding to FIG. 2 which shows the cowl louver structure which concerns on 2nd Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Vehicle 12 Windshield glass 12A Lower end part of wind glass 14 Cowl louver 14E Hinge part 18 Protector (elastic member)
22 Through hole 30 Holding piece (holding member)
30A Side surface 30B Shaft (Rotating shaft)
30C central bent part 30D engaging claw part (clamping position holding means)
30E Inclined part 30F Root coupling part (pressure receiving part)
30G clamping part 30H bottom wall part 30J rear wall part 30K flange 30L front wall part (pressure receiving part)
40 Buffer block (buffer member)
60 Hinge part (clamping position holding means)
62 Hinge part (clamping position holding means)

Claims (5)

A cowl louver provided on the front side of the windshield glass,
A buffer member provided on the lower surface side of the front end of the windshield glass;
The lower surface of the cowl louver is provided so as to be rotatable about a rotation shaft portion along the vehicle width direction, and the buffer member and the front end portion of the windshield glass are connected to the rear end portion of the cowl louver with the thickness of the windshield glass. A holding member comprising: a clamping portion that is clamped from the vertical direction and is in a non-contact state with the windshield glass at the clamping position; and a clamping position holding unit that holds the clamping portion at the clamping position. When,
A cowl louver structure characterized by comprising:   The cowl louver structure according to claim 1, further comprising an elastic member provided at a rear end portion of the cowl louver and sandwiched between the cowl louver and a front end portion of the windshield glass.   3. The cowl louver structure according to claim 1, wherein the holding position holding unit is an engaging claw that is provided in the holding member and engages with a through-hole formed in the cowl louver.   The said clamping position holding means is a hinge part which is provided in the said holding member and hold | maintains the said holding member in the said clamping position by being pressed by the said buffer member. Cowl louver structure.   The holding member is provided on the vehicle rear side of the holding position holding means, and has a pressure receiving portion that moves the holding member to the holding position by being pressed by the buffer member from the vehicle rear side. The cowl louver structure according to any one of claims 1 to 4.

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