JP2936053B2 - Cowl louver mounting structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for mounting a cowl louver, which is a part of an automobile, on a vehicle body, and more particularly to a structure for preventing rainwater or the like from entering from a mounting portion.

[0002]

2. Description of the Related Art A cowl louver is provided near a lower portion of a windshield of an automobile for introducing outside air into a vehicle interior. The cowl louver is made of a synthetic resin, and for example, there are an integrated type and a two-part type.

FIGS. 7 and 8 show an example of a conventional structure for mounting a cowl louver to a vehicle body main body. FIG. 7 shows an integrated cowl louver. In FIG. 7 , reference numeral 1 denotes a hood that covers the engine room. Below the end of the hood 1, a body cowl 2, which is a part of the vehicle body, is located. A cowl louver 3 is provided on the upper surface side of the body cowl 2.
A hood 1 is provided on the inclined upper surface 3a of the cowl louver 3.
A hood seal 4 capable of contacting the hood is disposed. The cowl louver 3 and the hood seal 4 are
Body cowl 2 through a number of clips 5
Mounted on

FIG . 8 shows a cowl louver of a split type. As shown in FIG. 8 , a body cowl 12, which is a part of a vehicle body, is located below an end of a hood 11 that covers an engine room. A cowl louver 13 is provided on the upper surface side of the body cowl 12. On the upper surface 13a of the end portion of the cowl louver 13, a hood seal 14 that can contact the hood 11 is arranged. Cowl louver 1
3 and the hood seal 14 are connected to the body cowl 1 through a large number of clips 15 previously incorporated in the hood seal 14.
2 attached.

[0005]

However, FIG. 7 and FIG.
The conventional structure shown in FIG. 8 has the following problem. FIG.
In the structure (1), the rainwater F flowing on the end upper surface 3a of the cowl louver 3 penetrates into the hole 6 into which the clip 5 is inserted through the gap between the hood seal 4 and the cowl louver 3. Hole 6
Rainwater F penetrates into the inside of the body cowl 2 through the clip holes 8 formed in the body cowl 2. In the structure of FIG. 8, the rainwater F flowing on the end upper surface 13 a of the cowl louver 13 penetrates into the hole 16 into which the clip 15 is inserted through the gap between the hood seal 14 and the cowl louver 13. The rainwater F that has entered the hole 16 enters the inside of the body cowl 12 via the clip hole 18 formed in the body cowl 12. Also, the rainwater F that has flowed to the end face of the cowl louver 13 flows downward, so that the lower surface of the end of the cowl louver 13 and the body cowl 12
18 into which the clip 15 is inserted through a gap between
Infiltrate In the structure of FIGS . 7 and 8 , a large number of clips are used for assembling the cowl louver and the hood seal to the vehicle body main body. Each part must be fixed, and assembly is poor.

An object of the present invention is to provide a cowl louver mounting structure capable of preventing rainwater or the like flowing on the upper surface of the cowl louver from entering the vehicle body from an assembled portion.

[0007]

A cowl louver mounting structure according to the present invention for achieving this object is as follows . Between the hood end and the vehicle main body that covers the d Njinrumu, place the cowl louver drawing outside air into the passenger compartment, the end portion upper surface of the inclination of the cowl louver, projection wall projecting upwardly extending in the vehicle width direction A hood seal made of an elastic body having an upper seal portion capable of contacting the hood and a lower seal portion extending from the projection wall side toward the lower surface of the end portion of the cowl louver.
A claw engageable with a mounting hole formed in the vehicle body main body by pushing the cowl louver into the vehicle body main body side is formed on an end lower surface of the cowl louver. Characterized in that the cowl louver is held between the cowl louver and the vehicle body body by engagement of the cowl louver with the mounting hole.

[0008]

[Action] In the above SL mounting structure, since the projection wall to the end upper surface that is inclined in the cowl louver is formed, rain water or the like flowing through the end portion upper surface of the cowl louver may flow downward is prevented by the projection wall. Therefore, rainwater or the like does not enter the gap between the upper surface of the end portion of the cowl louver and the hood seal. The lower seal portion of the hood seal is sandwiched between the cowl louver and the vehicle body body.However, since the hood seal is made of an elastic body, the lower seal portion is elastically deformed by the sandwich between the cowl louver and the vehicle body body. The seal portion is in close contact with the lower surface of the end of the cowl louver and the body of the vehicle body. Therefore, it is possible to prevent rainwater or the like from entering between the lower surface of the end portion of the cowl louver and the vehicle body main body, and it is possible to prevent rainwater or the like from entering the vehicle body main body through the mounting hole . The end lower surface of the mosquito Ururuba, since the mounting hole and engageable pawl formed on the vehicle main body side is provided, by pushing only toward the cowl louver to the vehicle main body side, attaching a nail hole Can be engaged. Therefore, the cowl louver can be assembled to the vehicle body main body by only one pushing operation, and the assemblability is significantly improved as compared with the conventional structure using a large number of clips.

[0009]

1 to 3 show a cowl louver mounting structure according to a first embodiment of the present invention. In FIG. 1, reference numeral 21 denotes a hood that covers an engine room. Food 21
The body cowl 22 which is a part of the vehicle body body is located below the end of the body cowl. A cowl louver 24 for taking in outside air into the vehicle interior is provided on the upper surface side of the body cowl 22.
Is provided. The cowl louver 24 extends in the width direction of the vehicle as shown in FIG. Cowl louver 24
Is made of a synthetic resin and is provided with a lattice portion for preventing intrusion of foreign matter.

The upper surface 24a of the cowl louver 24 on the front side of the vehicle is formed as an inclined surface which descends toward the front side of the vehicle. A projecting wall 25 extending in the vehicle width direction and projecting upward is formed on the end upper surface 24a. On the projection wall 25,
A hood seal 30 made of an elastic body is mounted. The hood seal 30 is made of an elastomeric material such as E
PDM (olefin-based ethylene / propylene rubber) is used. The hood seal 30 has a mounting portion 31 that can be fitted to the projection wall 25 and is harder than other portions of the hood seal 30. The mounting portion 31 is formed by filling the mold with a resin material different from other portions when the hood seal 30 is molded with the mold.

The hood seal 30 has an upper seal portion 32 extending upward from the mounting portion 31 and capable of contacting the hood 21.
A lower seal portion 33 extending from the mounting portion 31 toward the end lower surface 24b of the cowl louver 24 is formed. On the lower surface of the lower seal portion 33, a projection 3 having a semicircular
Three 3a are formed. Each projection 33a extends in the vehicle width direction and projects downward. In the lower seal portion 33, square insertion holes 34 into which claws 40 described later are inserted are arranged at predetermined intervals in the vehicle width direction.

On the lower surface 24b of the end of the cowl louver 24,
A plurality of claws 40 extending downward are formed at predetermined intervals in the vehicle width direction. Each claw 40 is provided in each mounting hole 23 formed in the body cowl 22 which is a part of the vehicle body main body.
Is provided at a position corresponding to. The claw 40 has a U-shaped side surface. The claw 40 has a fixed end at the base connected to the lower surface 24b of the end, and a free end 40a at the tip. An engagement step portion 40b that can engage with the peripheral edge of the mounting hole 23 of the body cowl 22 is formed at the distal end portion of the free end portion 40a. Free end 40a
Is largely elastically deformable toward the fixed end.

Next, the operation of the first embodiment will be described. Before attaching the cowl louver 24 to the body cowl 22, the hood seal 30 is attached to the cowl louver 24 in advance as shown in FIG. The attachment of the hood seal 30 to the cowl louver 24 is performed using the hood seal 30.
The fitting is performed by fitting the mounting portion 31 of the projection 25 to the projection wall 25. Since the mounting portion 31 is harder than other portions of the hood seal 30, the hood seal 30 is firmly fixed to the cowl louver 24 by appropriately setting a fitting tolerance between the mounting portion 31 and the projection wall 25. Becomes possible.
When the attachment of the hood seal 30 to the cowl louver 24 is completed, the claw 40 is inserted through the insertion hole 34 of the hood seal 30.
Is protruding.

When the attachment of the hood seal 30 to the cowl louver 24 is completed, the cowl louver 24 is pushed toward the body cowl 22 with the tips of the claws 40 of the cowl louver 24 inserted into the mounting holes 23 of the body cowl 22. . The width of the mounting hole 23 in the vehicle front-rear direction is
When the claw 40 passes through the mounting hole 23, the free end portion 40 a
Is elastically deformed toward the fixed end side by contact with the peripheral edge. When the cowl louver 24 is pushed into the body cowl 22 by a predetermined amount, the free end portion 40a tries to restore its original shape by self-elasticity by the end of the contact with the mounting hole 23.
As a result, the engaging step portion 40b of the claw 40 is engaged with the peripheral edge of the mounting hole 23, and the cowl louver 24 is prevented from being separated from the body cowl 22. Here, since the lower seal portion 33 of the hood seal 30 is clamped to such an extent that the lower seal portion 33 is slightly elastically deformed, the engaging step portion 40b of the claw 40 comes into close contact with the peripheral edge of the mounting hole 23 of the body cowl 22 due to the reaction force. In addition, rattling of the cowl louver 24 with respect to the body cowl 22 is prevented.

The inclined upper surface 24 of the cowl louver 24
Since a projecting wall 25 extending in the vehicle width direction and projecting upward is formed at a, a flow of rainwater F or the like flowing through the end upper surface 24a can be blocked by the projecting wall 25. It is possible to prevent rainwater F or the like from entering the gap between the upper surface 24a and the hood seal 30. Further, the lower seal portion 33 is elastically deformed by the cowl louver 24 due to the elastic deformation of the lower seal portion 33 of the hood seal 30.
And the body cowl 22 are brought into close contact with each other. However, since three projections 33a are formed on the lower surface of the lower seal portion 33, the surface pressure of the projections 33a can be increased, and the sealing by the projections 33a can be performed. Performance is improved. Therefore, infiltration of rainwater F between the lower end 24b of the cowl louver 24 and the body cowl 22 is prevented by the sealing effect of the projection 33a.
Infiltration of the rainwater F into the inside 2 is avoided.

Second Embodiment FIGS. 4 and 5 show a second embodiment of the present invention.
In FIG. 4, reference numeral 51 denotes a hood that covers the engine room. Below the end of the hood 51, a body cowl 52 which is a part of the vehicle body body is located. On the upper surface side of the body cowl 52, a cowl louver 54 for taking in outside air into the vehicle interior is provided. In this embodiment, the cowl louver 54 is divided into two in the vehicle width direction as shown in FIG. The cowl louver 54 is made of a synthetic resin, and is provided with a lattice portion for preventing foreign matter from entering.

The upper surface 54a of the end portion of the cowl louver 54 is formed as an inclined surface which descends toward the front of the vehicle. A projecting wall 55 extending in the vehicle width direction and projecting upward is formed on the end upper surface 54a. A hood seal 60 made of an elastic material is mounted on the projection wall 55. Food seal 6
For 0, an elastomer-based material, for example, EPDM (olefin-based ethylene / propylene rubber) is used.
The hood seal 60 has a mounting portion 61 that can be fitted to the projection wall 55 and is harder than other portions of the hood seal 60. The mounting portion 61 is formed by filling the mold with a resin material different from other parts when the hood seal 60 is manufactured with the mold.

The hood seal 60 has an upper seal portion 62 extending upward from the mounting portion 61 and capable of contacting the hood 51.
A lower seal portion 63 extending from the mounting portion 61 toward the end lower surface 54b of the cowl louver 54 is formed. A projection 63 having a semicircular cross section is provided on the lower surface of the lower seal portion 63.
a are formed. The projection 63a extends in the vehicle width direction and projects downward. In the lower seal part 63,
A square insertion hole (not shown) into which a nail 70 described later is inserted.
Are arranged at predetermined intervals in the vehicle width direction.

On the lower surface 54b of the end of the cowl louver 54,
A plurality of claws 70 extending downward are formed at predetermined intervals in the vehicle width direction. Each of the claws 70 is provided with a corresponding one of the mounting holes 53 formed in the body cowl 52 which is a part of the vehicle body.
Is provided at a position corresponding to. The claw 70 has a U-shaped side surface. The claw 70 is a fixed end connected to the end lower surface 54b, and the tip is a free end 70.
a. An engagement step 70b that can engage with the periphery of the attachment hole 53 of the body cowl 22 is formed at the tip of the free end 70a. The free end 70a is largely elastically deformable toward the fixed end.

Next, the operation of the second embodiment will be described. The hood seal 60 is attached to the cowl louver 54 before the operation of attaching the cowl louver 54 to the body cowl 52 side. The attachment of the hood seal 60 to the cowl louver 54 is performed by fitting the attachment portion 61 of the hood seal 60 to the projection wall 55. Mounting part 61
Is harder than the other parts of the hood seal 60, so that the hood seal 60 can be firmly fixed to the cowl louver 54 by appropriately setting a fitting tolerance between the mounting portion 61 and the projection wall 55. Become. Food seal 6
In a state where the mounting of the “0” to the cowl louver 54 is completed, the claw 70 protrudes from an insertion hole (not shown) of the hood seal 60.

When the attachment of the hood sill 60 to the cowl louver 54 is completed, the cowl louver 54 is pushed toward the body cowl 52 with the claws 70 of the cowl louver 54 inserted into the mounting holes 53 of the body cowl 52. Since the width of the mounting hole 53 in the vehicle front-rear direction is smaller than the width of the claw 70 in the vehicle front-rear direction, when the claw 70 passes through the mounting hole 53, the free end 70 a is in contact with the periphery of the mounting hole 53. Due to the contact, it is elastically deformed toward the fixed end. When the cowl louver 54 is pushed into the body cowl 52 by a predetermined amount, the free end portion 70a attempts to restore its original shape by self-elasticity upon termination of the contact with the mounting hole 53. Thereby, the nail 7
The zero engaging step 70a is engaged with the peripheral edge of the mounting hole 53, thereby preventing the cowl louver 54 from being detached from the body cowl 52. Here, the lower seal portion 63 of the hood seal 60
Are held to such an extent that they are slightly elastically deformed.
And the cowl louver 54 is prevented from rattling against the body cowl 52.

The inclined upper surface 54 of the cowl louver 54
Since a projecting wall 55 extending in the vehicle width direction and projecting upward is formed at a, the flow of rainwater F or the like flowing through the end upper surface 54a can be blocked by the projecting wall 55. It is possible to prevent rainwater F or the like from entering the gap between the upper surface 54a and the hood seal 60. Further, the lower seal portion 63 is elastically deformed by the cowl louver 54 due to the elastic deformation of the lower seal portion 63 of the hood seal 60.
And the body cowl 52 are brought into close contact with each other. However, since three projections 63a are formed on the lower surface of the lower seal portion 63, the surface pressure of the projections 63a can be increased,
The sealing performance by the projection 63a is improved. Therefore,
The sealing effect of the projection 63 a prevents the rainwater F from entering between the lower end surface 54 b of the cowl louver 54 and the body cowl 52.

FIG. 6 shows a modification of FIG. 4 shows the same parts as definitive in FIG 6, are denoted by the same reference numerals. In FIG. 4, the shape of the nail 70 is U-shaped, but in FIG. 6, the side surface of the nail 80 is L-shaped. When attaching the cowl louver 54 to the body cowl 52, the cowl louver 54 is pressed down in the
The cowl louver 54 is moved in the direction of the arrow X in a state where the leading end of the zero protrudes from the inner surface of the body cowl 52. Thereby, the tip of the claw 80 is engaged with the peripheral edge of the mounting hole 53, and the lower seal 63 of the hood seal 60 is
And the body cowl 52. A blocking wall 82 extending in the vehicle width direction and projecting downward is formed on an end lower surface 54b of the cowl louver 54. Cowl louver 5
The rainwater F flowing along the bottom surface 54b of the end portion 4 is prevented from flowing by the blocking wall 82, and the rainwater F is prevented from entering the lower seal portion 63 side .

[0024]

According to the cowl louver mounting structure of the present invention, since the projecting wall extending in the vehicle width direction and projecting upward is formed on the inclined upper surface of the cowl louver, rainwater flowing on the upper surface of the cowl louver end is provided. Such flow can be prevented by the projection wall, and rainwater or the like can be prevented from entering the gap between the upper surface of the end of the cowl louver and the hood seal. Also, since the lower seal portion of the hood seal made of an elastic body is sandwiched between the cowl louver and the vehicle body main body, the lower seal portion is brought into close contact with the vehicle body main body side by elastic deformation of the lower seal portion. And the sealing property of this portion can be improved. Therefore, it is possible to prevent rainwater or the like from entering the vehicle body from both the upper end side and the lower end side of the cowl louver. Cowlloo
At the bottom of the end of the bar, the mounting formed on the vehicle body body side
Claws that can be engaged with holes
By simply pushing it toward the vehicle body,
The pawl can be engaged with the mounting hole. Accordingly
The cowl louver with just one push operation.
ー Can be mounted on the main unit side, using many clips
Assemblability is significantly improved as compared with the conventional structure.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of a cowl louver mounting structure according to a first embodiment of the present invention, and is a cross-sectional view of a main part along line AA of FIG.

FIG. 2 is an exploded perspective view of the cowl louver and the hood seal of FIG.

FIG. 3 is a perspective view showing the entire structure of the cowl louver of FIG. 1;

FIG. 4 is a cross-sectional view of a cowl louver mounting structure according to a second embodiment of the present invention, and is a cross-sectional view of a main part along line BB of FIG.

FIG. 5 is a perspective view showing the entire structure of the cowl louver of FIG. 4;

FIG. 6 is a sectional view of a main part showing a modification of FIG. 4;

FIG. 7 is a cross-sectional view of an essential part showing an example of a conventional cowl louver mounting structure.

FIG. 8 is a sectional view of a main part showing another example of a conventional cowl louver mounting structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 21 Hood 22 Vehicle body main body (body cowl) 23 Mounting hole 24 Cowl louver 24a End upper surface 24b End lower surface 25 Projection wall 30 Food seal 40 Claw 51 Hood 52 Vehicle body main body (body cowl) 53 Mounting hole 54 Cowl louver 54a End upper surface 54b end Lower surface 55 Projection wall 60 Food seal 70 Claw 80 Claw

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. ⁶ , DB name) B62D 25/08

Claims (3)

(57) [Claims] 1. A cowl louver for taking in outside air into a vehicle interior is disposed between an end of a hood covering an engine room and a vehicle body main body. Forming a protruding wall protruding from
A hood seal made of an elastic body having an upper seal portion capable of contacting the hood and a lower seal portion extending from the projection wall side toward the lower surface of the end of the cowl louver is attached to the projection wall, and the lower surface of the end of the cowl louver is mounted. In, the cowl louver
Pushing the vehicle body into the vehicle body
A claw engageable with a mounting hole formed on a body side is formed, and a lower seal portion of the hood seal is engaged with the claw and the mounting hole.
A cowl louver mounting structure characterized by being sandwiched between the cowl louver and the vehicle body in some cases. 2. The hood seal is fitted with the projection wall.
Fittable and harder than other parts of the hood seal
2. The cowl louver installation according to claim 1, wherein the portion is formed.
Structure. 3. The vehicle according to claim 1, further comprising:
A contractor having a blocking wall extending in the width direction and projecting downward.
The mounting structure of the cowl louver according to claim 1.