JP2007223434A - Cowl structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide cowl structure easy to fit a cowl body and improved in tight fitting of the cowl body and a dash upper to each other. <P>SOLUTION: The cowl structure is provided with a cowl connecting part 26 formed in the dash upper 21 and a seal material 35 fitted to the cowl connecting part. The cowl body 17 is provided with a glass abutting part 46 arranged so that an opening thereof having a U-shaped cross section is directed downward and tightly fitted to an outer surface 74 of a lower end 16 of a windshield 15, a holding claw 66 for holding the inner surface 76 of the lower end of the windshield with the glass abutting part, a groove formed by the holding claw and the glass abutting part, a fitting part formed in the other edge of the cowl body in parallel with the glass abutting part and connected to the cowl connecting part by a clip, and a front seal edge part having a bent cross section and continuously formed to the front part of the fitting part so as to be tightly fitted to the seal material. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a cowl structure that is connected to a lower part of a windshield of a vehicle and is used on an upper part of a dash panel formed in a front part of a passenger compartment.

2. Description of the Related Art A cowl structure that supports a lower part of a windshield of a vehicle is known (for example, see Patent Document 1).
Japanese Utility Model Publication No. 3-3053 (page 3, Fig. 1)

Patent document 1 is demonstrated based on the following figure.
FIG. 11 is a diagram for explaining the basic configuration of the conventional technique. In the conventional cowl structure, the front end 204 of the louver 203 is attached to the upper front end 202 of the cowl top 201, and the front end 204 of the louver 203 is attached to the front end 205. Glass 206 is attached via a protector 207.

However, in the cowl structure of Patent Document 1, when the front end 204 of the louver 203 is attached to the upper front end 202 of the cowl top 201, the position of the front end 204 of the louver (cowl body) 203 is aligned with the upper front end 202. There is a problem that it is difficult.
Further, there is a problem that the adhesion of the front end 204 of the louver (cowl main body) 203 to the upper front end 202 of the cowl top (dash upper) 201 may be insufficient.

  It is an object of the present invention to provide a cowl structure in which the cowl body can be easily assembled and the adhesion between the cowl body and the dash upper is improved.

  The invention according to claim 1 is a cowl structure including a long cowl body connected to an upper portion of a dash panel forming a front wall of a passenger compartment of a vehicle and connected to a lower end of a windshield. Formed on the edge of the windshield, parallel to and closely attached to the outer surface of the windshield, a gripper formed on one edge and pressing the inner surface of the windshield, and the gripper and the glass contact Formed on the other edge of the cowl body, formed in parallel with the glass abutting portion, connected to the front portion of the mounting portion, and a front seal end portion having a bent cross section. The dash upper connected to the upper part of the dash panel includes a cowl connection portion to which the attachment portion is attached and parallel to the glass contact portion, and a sealing material attached to the front portion of the cowl connection portion or the front seal end portion. , Characterized by comprising.

In the invention according to claim 1, the cowl body includes a glass contact portion that is parallel to and in close contact with the outer surface of the windshield, a gripper that presses the inner surface of the windshield, a gripper and a glass contact portion. And a mounting portion that is formed on the other edge of the cowl body and is parallel to the glass contact portion. The dash upper is attached to the cowl that is attached to the mounting portion and parallel to the glass contact portion. When the groove of the cowl body is inserted into the lower end of the windshield, the front end of the cowl body is attached even if the cowl body is moved parallel to the windshield toward the lower end of the windshield. The part does not interfere with the dash upper cowl connection. Therefore, there is an advantage that the assembly of the cowl body is easy.

  Further, in the cowl structure, the cowl body is formed to be connected to the front portion of the mounting portion, has a front seal end portion having a bent cross section, and the dash upper connected to the upper portion of the dash panel is attached with the mounting portion and the glass cover. Since it has a cowl connection part parallel to the contact part and a sealing material attached to the front part of the cowl connection part or the front seal end part, when the cowl body attachment part is attached to the cowl connection part of the dash upper, the cowl body The front seal end portion is in close contact with the seal member attached to the edge of the dash upper cowl connection portion. At that time, since the front seal end portion is bent in cross section, the strength (section modulus) of the front seal end portion is increased, and the bending while being supported by the attachment portion of the cowl body can be suppressed. Therefore, the adhesion between the cowl body and the dash upper can be improved.

The best mode for carrying out the present invention will be described below with reference to the accompanying drawings.
FIG. 1 is an exploded view of the cowl structure of the present invention. The axis in the figure indicates the direction, X is the axis indicating the horizontal direction and the front-rear direction, Y is the axis orthogonal to X, Z is the vertical axis orthogonal to X and Y, and A is the swiveling motion around the X axis , B is an axis showing a turning motion around the Y axis, and C is an axis showing a turning motion around the Z axis.

  The cowl structure 11 is employed in the vehicle 12 and includes a cowl body 17 that is connected to an upper portion of a dash panel 14 that forms a front wall of the passenger compartment 13 of the vehicle 12 and that is continuous with a lower end 16 of the windshield 15. Details will be described later. 21 is a dash upper connected to the upper part of the dash panel 14, 22 is a windshield lower connected to the upper part of the dash panel 14, and 23 is a hood.

The dash upper 21 includes a cowl connection portion 26 at the upper end. The cowl connection portion 26 includes a central bracket 27 attached to the center of the dash upper 21, a left end support portion 31 formed at one end 28, and the other end 32. And a right end support part 33 formed in the above. Reference numeral 35 denotes a sealing material attached to the edge of the cowl connection portion 26 (see FIGS. 8 and 10).
The sealing material 35 may be attached to the front seal end portion 54 (see FIGS. 2 and 4) of the cowl body 17.

A guide cut 37 is formed in the central bracket 27, and a central hole 38 is formed next to the guide cut 37. This will be specifically described with reference to FIG.
A left hole 41 was opened in the left end support portion 31.
A right hole 42 was formed in the right end support portion 33.

  The cowl main body 17 includes a main body 45, a glass contact portion 46 formed on one edge continuous with the main body 45, a dash connection portion 47 formed on the other edge continuous with the main body 45, and a center of the dash connection portion 47. A central mounting portion 51 connected to the central bracket 27, a lower left mounting portion 52 formed at one end of the dash connection portion 47 and connected to the left end support portion 31, and the other of the dash connection portion 47. The lower right mounting portion 53 formed at the end and connected to the right end support portion 33 and the front of the center, lower left and lower right mounting portions 51, 52, 53 and the dash connection portion 47 A seal end 54 (see also FIG. 4).

  The center mounting portion 51 is formed so that the guide pin 55 (see FIG. 3) is fitted into the id cut 37, and a hole 56 is formed in a perfect circle next to the guide pin 55, and the center of the hole 56 and the center bracket 27 is formed. It is attached by fitting the clip 57 into the hole 38.

The lower left attachment portion 52 is attached by opening the elongated hole 61 and fitting the clip 62 into the elongated hole 61 and the left hole 41 of the left end support portion 31.
The lower right attachment portion 53 is attached by opening a long hole 63 and fitting a clip 64 into the long hole 63 and the right hole 42 of the right end support portion 33.

  Further, the cowl body 17 is formed at the center of the glass contact portion 46 and has a central gripping claw 66 that presses the lower end 16 of the windshield 15, and a left that is formed at one end and presses the lower end 16 of the windshield 15. A gripper 67 and a right gripper 68 that is formed at the other end and presses the lower end 16 of the windshield 15 are provided.

  Further, the cowl main body 17 includes a lid member 71 provided with a wiper opening 69 for a wiper disposed on the right side of the main body 45, and an assembly opening 72 sealed with the lid member 71. 73 is a hole for the cleaning nozzle opened in the center.

FIG. 2 is a cross-sectional view taken along line 2-2 of FIG. 1 and shows a cross section of the glass contact portion 46, the central gripping claw 66, the front seal end portion 54, and the central mounting portion 51. This will be described with reference to FIG.
3 is a cross-sectional view taken along the line 3-3 in FIG. 1 and shows a cross section of the central mounting portion 51. As shown in FIG.

The glass contact portion 46 has a sheet surface 75 that is in close contact with the outer surface 74 of the windshield 15, and the angle of the glass contact portion 46 is set to θ parallel to the average inclination angle θg of the windshield 15. Reference numeral 76 denotes an inner surface of the windshield 15.
Here, “parallel” has a desired tolerance.

  Specifically, the central mounting portion 51 is a portion where the contact surface 77 is formed at an angle α in parallel with the glass contact portion 46, specifically, the sheet surface 75 of the glass contact portion 46. The guide pin 55 of FIG. 3 is formed away from the hole 56 by a distance E.

  The dash connection portion 47 is a portion where the center, lower left, and lower right mounting portions 51, 52, and 53 are not provided, that is, between the center, lower left and lower right mounting portions 51, 52, and 53 (Y-axis direction). Parallel to the sheet surface 75 (angle α) (see FIG. 4).

As shown in FIG. 2, specifically, the central gripping claw 66 has a main body 78 formed in an L shape from the base of the glass contact portion 46, and the pressing portion 79 of the glass contact portion 46 is connected to the main body 78. It is formed with a width Wg (refer to FIG. 1) extending by a length Lg from the tip.
In other words, the groove 81 is formed in parallel with the contact surface 77 of the center mounting portion 51 by the center gripper 66 and the glass contact portion 46.

4 is a cross-sectional view taken along line 4-4 of FIG. This will be described with reference to FIGS.
The glass abutting portion 46 also has a rib portion 83 formed between the central gripping claw 66, the left gripping claw 67, and the right gripping claw 68 so as to be connected to the main body 78 of the claw.
The front seal end portion 54 is bent in cross section, for example, L-shaped in cross section, and has a first side 85 connected to the dash connection portion 47, connected to the first side 85, and orthogonal to the first side 85, to the second side. 86 is formed. In addition, a part made orthogonal is excluded, for example, the cross-sectional position of FIG. 2 is excluded.

  The main body 45 includes a groove portion 87 and a hood contact end 88 formed on the edge of the groove portion 87. A seal member 91 (see FIGS. 8 to 10) included in the hood 23 is attached to the hood contact end 88.

5 is a cross-sectional view taken along line 5-5 in FIG. 1, and shows a cross section of the wiper opening 69, the assembly opening 72, and the lower right mounting portion 53. This will be described with reference to FIGS.
The assembly opening 72 is an opening used when the cowl body 17 is attached to the windshield lower 22 connected to the upper part of the dash panel 14 that forms the front wall of the passenger compartment 13.
The wiper opening 69 is an opening through which the pivot shaft 93 is moved out through the wiper pivot mechanism 92.

The left and right gripping claws 67 and 68 are both the same as the central gripping claw 66 and are formed by protruding a length Lg from the tip of the glass contact portion 46. In other words, the left and right grip claws 67 and 68 and the glass contact portion 46 form grooves 94 and 94 and are formed in parallel with the contact surface 77 of the central mounting portion 51 (see FIG. 2). Yes.
In addition to the above, the lower left and lower right attachment portions 52 and 53 are each provided with an abutment surface 95 that is parallel (angle α) to the sheet surface 75 of the glass abutment portion 46, similarly to the central attachment portion 51.

FIG. 6 is a detailed view of part 6 of FIG. 1 and shows a central bracket 27, a guide cut 37, and a central hole 38 provided in the dash upper 21. This will be described with reference to FIGS.
The central bracket 27 has an upper side portion 96 parallel to the contact surface 77 of the central mounting portion 51, and the upper side portion 96 is separated from the guide notch 37 by a distance E1 (E1 = E (see FIG. 3)). A hole 38 was opened.
The guide cut 37 includes a V-shaped entry portion 97 and a positioning portion 98 that is continuous with the entry portion 97 and has a width and a radius that is slightly larger than the diameter of the guide pin 55.

1 is provided with a support surface 101 (similar to the support surface 102 of FIG. 9) parallel to the upper side portion 96.
The right end support portion 33 provided in the dash upper 21 has a support surface 102 (see FIG. 9) parallel to the upper side portion 96.

Next, the operation of the cowl structure of the present invention will be described.
FIG. 7 is a diagram illustrating a state in which the cowl body included in the cowl structure of the present invention is attached to the windshield and the dash upper. 1 to 6 will be used together for explanation.
A lower end 16 of the windshield 15 is previously attached to the windshield lower 22 with an adhesive 127 and a seal 128, and a wiper pivot mechanism 92 (see FIG. 9) is attached to the vehicle body 24. Next, the cowl body 17 is started to be attached to the lower end 16 of the windshield 15 as shown by a two-dot chain line.

  Specifically, first, the left gripper 67, the central gripper 66, and the right gripper 68 of the cowl body 17 are brought close to the lower end 16 of the windshield 15, and the claws 66, 67, 68 are brought close to the inner surface 76 of the windshield 15. Is multiplied by the length Lg. Subsequently, the contact surface 77 of the central mounting portion 51 included in the front end 117 of the cowl body 17 is brought into contact with the upper side portion 96 of the central bracket 27 formed at the center of the dash upper 21. Subsequently, grooves 81, 94, 94 (see FIG. 9) formed by the claws 66, 67, 68 and the glass abutting portion 46 are formed on the lower end 16 of the windshield 15, as indicated by an arrow a1, and the cowl body 17 is moved to the front. The glass 15 is inserted by being translated. At that time, the abutment surface 77 of the central mounting portion 51 can be translated (in the direction of the arrow a1) without interfering with the upper side portion 96 of the central bracket 27.

  In this insertion process, the guide pin 55 (see FIG. 3) at the center of the cowl body 17 is inserted into the guide notch 37 (see FIG. 6) formed in the central bracket 27, and is slid backward (in the direction of arrow a1). Since the pin 55 comes into contact with the positioning portion 98 and stops, the center of the cowl body 17 can be positioned in the X-axis direction and the Y-axis direction.

  Further, by inserting the guide pin 55 (see FIG. 3) into the guide notch 37 (see FIG. 6) and hitting the positioning portion 98, the center hole 38 automatically opened in the central bracket 27 is automatically included in the dash included in the front end 117. The holes 56 of the central mounting portion 51 of the connecting portion 47 are aligned.

  Next, the center of the front end 117 of the cowl body 17 is fixed by fitting the clip 57 into the hole 56 and the center hole 38 that have already been matched.

  As described above, in the cowl structure 11, the cowl body 17 includes the glass abutting portion 46 that is parallel to and in close contact with the outer surface 74 of the windshield 15, and the gripper claw (center) that presses the inner surface 76 of the windshield 15. A groove 81 formed by a gripper nail 66, a gripper nail (center gripper nail) 66, and a glass contact part 46, and an attachment part formed on the other edge of the cowl body 17 and parallel to the glass contact part 46 A dash upper 21 connected to the upper portion of the (center mounting portion) 51 and the dash panel 14 has a cowl connection portion 26 (a central bracket 27) parallel to the glass contact portion 46 as well as the mounting portion (center mounting portion) 51. .)), When inserting the groove 81 of the cowl body 17 into the lower end 16 of the windshield 15, the cowl body 17 faces the lower end 16 of the windshield 15. Even if it is translated relative to the front glass 15 as indicated by the arrow a1, the attachment portion (center attachment portion) 51 provided on the front end 117 of the cowl body 17 is the cowl connection portion 26 (specifically, the center bracket 27) of the dash upper 21. Does not interfere with. Therefore, the cowl body 17 can be easily assembled.

  Further, in the cowl structure 11, when the cowl body 17 is attached to the dash upper 21, first, a guide notch 37 (see FIG. 6) formed in the center of the dash upper 21 is inserted into a guide pin 55 (FIG. 3) in the center of the cowl body 17. When the guide pin 55 is slid backward (in the direction of the arrow a1 in FIG. 7), the guide pin 55 comes into contact with the positioning portion 98 and stops, so that the center of the cowl body 17 can be positioned in the X-axis direction and the Y-axis direction. In addition, the hole 56 (see FIG. 3) can be aligned with the central hole 38 (see FIG. 6). At the same time, the abutment surface 77 formed on the center mounting portion 51 of the cowl body 17 is pressed against the upper side 96 of the center bracket 27, so that the center of the cowl body 17 can be positioned in the Z-axis direction. Therefore, positioning of the center of the cowl body 17 (X-axis direction, Y-axis direction, and Z-axis direction) is easy.

Next, the operation of the cowl structure will be described using a cross-sectional view of the state where the cowl body 17 is assembled.
FIG. 8 is a cross-sectional view of the cowl structure of the present invention, corresponding to the cross section taken along line 2-2 of FIG.
9 is a cross-sectional view of the cowl structure of the present invention, corresponding to the cross section taken along line 5-5 of FIG.
FIG. 10 is a cross-sectional view of the cowl structure of the present invention, corresponding to the cross section taken along line 4-4 of FIG. This will be described with reference to FIG.

Subsequently, while the contact surface 95 (similar to FIG. 5) of the lower left mounting part 52 of the cowl body 17 is applied to the support surface 101 (similar to the support surface 102 of FIG. 9) of the left end support part 31 of the dash upper 21, the left hole Similarly, the long hole 61 is made to coincide with the right hole 42 while the contact surface 95 of the lower right mounting portion 53 of the cowl body 17 is applied to the support surface 102 of the right end support portion 33 of the dash upper 21. When matched, the cowl body 17 can be positioned in the A-axis direction, the B-axis direction, and the C-axis direction.
Subsequently, the clips 62 and 64 are fitted. The order in which the clips 57, 62, and 64 are fitted is an example, and the clip 57 can be fitted last.

  In other words, the cowl body 17 is made independent at three locations such as the center, lower left, and lower right mounting portions 51, 52, and 53, and the small contact surfaces 77, 95, and 95 are formed respectively. Is easy.

  Thus, since the other dash connection part 47 of the cowl main body 17 is supported at only three points, the number of holes to be matched is reduced, the work time for matching the holes can be reduced, and a clip is fitted. Time can be saved.

  When the clips 57, 62, and 64 are fitted, the front seal end portion 54 of the cowl main body 17 in FIG. 10 presses the seal material 35 attached to the edge of the cowl connection portion 26 of the dash upper 21 to closely contact the seal material 35. Since the front seal end portion 54 is bent in cross section, the strength (section modulus) of the front seal end portion 54 is increased, and the front seal end portion 54 between the central attachment portion 51, the lower left attachment portion 52, and the lower right attachment portion 53 is increased. Bending can be suppressed, and adhesion between the cowl body 17 and the dash upper 21 can be enhanced.

  The cowl structure of the present invention is suitable for a cowl of a vehicle.

Exploded view of cowl structure of the present invention 2-2 sectional view of FIG. 3-3 sectional view of FIG. Sectional view taken along line 4-4 in FIG. Sectional view along line 5-5 in FIG. Detailed view of part 6 of FIG. The figure explaining the state which attaches the cowl main body with which the cowl structure of the present invention is provided to a windshield and a dash upper 1 is a cross-sectional view of the cowl structure of the present invention, corresponding to the cross section taken along line 2-2 of FIG. 1 is a cross-sectional view of the cowl structure of the present invention, corresponding to the cross section taken along line 5-5 of FIG. 1 is a cross-sectional view corresponding to the cross section taken along line 4-4 of FIG. The figure explaining the basic composition of conventional technology

Explanation of symbols

  DESCRIPTION OF SYMBOLS 11 ... Cowl structure, 12 ... Vehicle, 13 ... Passenger room, 14 ... Dash panel, 15 ... Windshield, 16 ... Lower end of windshield, 17 ... Cowl body, 21 ... Dash upper, 26 ... Cowl connection part, 35 ... Seal 46: Glass contact portion, 51: Attachment portion (center attachment portion), 52 ... Attachment portion (lower left attachment portion), 53 ... Attachment portion (lower right attachment portion), 54 ... Front seal end portion, 66 ... Mouth Claw (center claw), 67 ... claw claw (left claw), 68 ... claw claw (right claw), 74 ... outer surface of windshield, 76 ... inner surface of windshield, 81, 94 ... groove.

Claims (1)

In the cowl structure with a long cowl body connected to the upper part of the dash panel that forms the front wall of the passenger compartment of the vehicle and connected to the lower end of the windshield,
The cowl body is formed on one edge, parallel to the outer surface of the windshield and in close contact with the glass contact portion,
A holding claw formed on the one edge and pressing the inner surface of the windshield,
A groove formed by the holding claw and the glass contact portion;
An attachment portion formed on the other edge of the cowl body and parallel to the glass contact portion;
A front seal end portion that is formed continuously to the front portion of the mounting portion and has a bent cross section; and
The dash upper connected to the upper part of the dash panel has a cowl connection portion that is parallel to the glass contact portion and the attachment portion is attached,
A cowl structure comprising: a seal member attached to a front portion of the cowl connection portion or the front seal end portion.
Sealing material installed on the front

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