JPH092331A - Attaching structure for cowl louver - Google Patents

Abstract

PURPOSE: To prevent rain water or the like flowing on the upper surface of a cowl louver from entering in a vehicle body through an assembled part. CONSTITUTION: A projecting wall 25 extending widthwise of a vehicle and projecting upward is formed on the upper surface of an inclined end part of a cowl louver 24 for introducing the ambient air which is arranged between an end part of a hood 21 covering an engine room, and a vehicle body part 22. A hood seal 30 having an upper seal part 32 contactable with the hood 21, and a lower seal part 33 extending from the projecting wall to the lower surface side of the end part of the cowl louver and made of an elastic material, is attached to the projecting wall 25, and the lower seal part 33 of the hood seal 30 is held between the cowl louver 24 and the vehicle body 22.

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 component of an automobile, on a vehicle body side, and more particularly to a structure for mounting rainwater and the like from an assembling 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.

FIG. 8 and FIG. 9 show an example of a conventional cowl louver mounting structure for a vehicle body. Of these, FIG. 8 shows an integrated type cowl louver. In FIG. 8, reference numeral 1 denotes a hood that covers the engine room. A body cowl 2 which is a part of the vehicle body is located below the end of the hood 1. A cowl louver 3 is provided on the upper surface side of the body cowl 2.
The hood 1 is attached to the inclined upper surface 3a of the cowl louver 3.
A hood seal 4 that can come into contact with is arranged. The cowl louver 3 and the hood seal 4 are the hood seal 4 in advance.
Body cowl 2 via a number of clips 5 incorporated in
Mounted on

FIG. 9 shows a split type cowl louver. As shown in FIG. 9, a body cowl 12, which is a part of the vehicle body, is located below the end of the hood 11 that covers the engine compartment. A cowl louver 13 is provided on the upper surface side of the body cowl 12. A hood seal 14 that can contact the hood 11 is arranged on the upper surface 13 a of the end portion of the cowl louver 13. Cowl louver 1
3 and the hood seal 14 are connected to the body cowl 1 via a large number of clips 15 which are incorporated in the hood seal 14 in advance.
2 attached.

[0005]

However, the conventional structure shown in FIGS. 8 and 9 has the following problems. In the structure shown in FIG. 8, the rainwater F flowing on the upper end surface 3 a of the cowl louver 3 enters the hole 6 into which the clip 5 is inserted through the gap between the hood seal 4 and the cowl louver 3. The rainwater F that has entered the hole 6 enters the inside of the body cowl 2 through the clip hole 8 formed in the body cowl 2. In the structure of FIG. 9, the end upper surface 13 of the cowl louver 13 is
The rainwater F flowing through a passes through the gap between the hood seal 14 and the cowl louver 13 and enters the hole 16 into which the clip 15 is inserted. The rainwater F that has entered the hole 16 enters the inside of the body cowl 12 through the clip hole 18 formed in the body cowl 12. Also, the cowl louver 1
The rainwater F that has flowed to the end surface of 3 enters the hole 18 into which the clip 15 is inserted through the gap between the lower surface of the end portion of the cowl louver 13 and the body cowl 12 by wrapping around. In the structure shown in FIGS. 8 and 9, since a large number of clips are used for assembling the cowl louver and the hood seal to the vehicle body main body, each clip is pressed one by one at the time of assembling to attach the cowl louver to the body of the vehicle. It is necessary to fix each part, and the 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 body from the assembly portion.

[0007]

A cowl louver mounting structure according to the present invention for achieving this object is as follows. (1) A cowl louver that takes in outside air into the vehicle compartment is arranged between the end of the hood that covers the engine room and the body of the vehicle, and the cowl louver extends in the vehicle width direction and protrudes upward on the upper surface of the inclined end of the cowl louver. And a hood seal made of an elastic body having an upper seal portion that can come into contact with the hood and a lower seal portion that extends from the protrusion wall side toward the lower surface of the end of the cowl louver. ,
A cowl louver mounting structure, wherein a lower seal portion of the hood seal is held between a cowl louver and a vehicle body body. In order to improve the assemblability of the cowl louver to the vehicle body body, the following configuration is desirable. (2) A cowl louver that takes in outside air into the vehicle compartment is arranged between the end of the hood that covers the engine compartment and the vehicle body, and the cowl louver extends in the vehicle width direction and protrudes upward on the upper surface of the inclined end of the cowl louver. And a hood seal made of an elastic body having an upper seal portion that can come into contact with the hood and a lower seal portion that extends from the protrusion wall side toward the lower surface of the end of the cowl louver. ,
On the lower surface of the end portion of the cowl louver, a claw capable of engaging with a mounting hole formed on the vehicle body body side by pushing the cowl louver toward the vehicle body body side is formed, and the lower seal portion of the hood seal is connected to the claw. A cowl louver mounting structure characterized in that the cowl louver is held between the cowl louver and a vehicle body main body by engagement between the cowl louver and a mounting hole.

[0008]

In the mounting structure of the above (1), since the projection wall is formed on the upper surface of the inclined end portion of the cowl louver, rainwater or the like flowing on the upper surface of the end portion of the cowl louver is prevented from flowing downward by the projection wall. . Therefore, rainwater or the like does not enter the gap between the upper surface of the end 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 main body, but since the hood seal is made of an elastic body, the lower seal portion is elastically deformed by the sandwiching of the cowl louver and the vehicle body main body. The seal portion sufficiently adheres to the lower surface of the end of the cowl louver and the vehicle body 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 body, and prevent rainwater or the like from entering the vehicle body body through the mounting hole. In the mounting structure of the above (2), since the claws that can be engaged with the mounting holes formed on the vehicle body main body side are provided on the lower surface of the end portion of the cowl louver, simply turn the cowl louver toward the vehicle body main body side. By pushing in, the pawl can be engaged with the mounting hole. Therefore, the cowl louver can be assembled to the vehicle body main body side by only one pushing operation, and the assembling property is significantly improved as compared with the conventional structure using a large number of clips.

[0009]

【Example】

First Embodiment FIGS. 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 the engine room. Hood 21
A body cowl 22, which is a part of the vehicle body, is located below the end of the body. On the upper surface side of the body cowl 22, a cowl louver 24 for taking in outside air into the passenger compartment is provided.
Is provided. The cowl louver 24 extends in the width direction of the vehicle as shown in FIG. Cowl louver 24
Is made of synthetic resin, and is provided with a lattice portion for preventing foreign matter from entering.

An upper end surface 24a of the cowl louver 24 on the front side of the vehicle is formed as an inclined surface that descends toward the front side of the vehicle. A projecting wall 25 that extends in the vehicle width direction and projects upward is formed on the end upper surface 24a. In the projection wall 25,
A hood seal 30 made of an elastic body is attached. For the hood seal 30, an elastomeric material such as E
PDM (olefin-based ethylene / propylene rubber) is used. The hood seal 30 is provided with a mounting portion 31 that can be fitted to the protruding wall 25 and is harder than other parts of the hood seal 30. The mounting portion 31 is formed by filling the molding die with a resin material different from other parts when molding the hood seal 30 with the molding die.

The hood seal 30 includes 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 lower end surface 24b of the cowl louver 24 is formed. On the lower surface of the lower seal portion 33, a protrusion 3 having a semicircular cross section is formed.
Three 3a are formed. Each protrusion 33a extends in the vehicle width direction and projects downward. The lower seal portion 33 has square insertion holes 34 into which claws 40, which will be described later, are inserted, which 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. The claws 40 are attached to the mounting holes 23 formed in the body cowl 22 which is a part of the body of the vehicle.
Is provided at a position corresponding to. The side surface of the claw 40 is U-shaped. In the claw 40, a root portion connected to the end lower surface 24b is a fixed end portion, and a tip end portion is a free end portion 40a. 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 tip portion of the free end portion 40a. Free end 40a
Can be largely elastically deformed toward the fixed end.

Next, the operation of the first embodiment will be described. Before the work of attaching the cowl louver 24 to the body cowl 22 side, the hood seal 30 is attached to the cowl louver 24 in advance as shown in FIG. The hood seal 30 is attached to the cowl louver 24 by the hood seal 30.
This is performed by fitting the mounting portion 31 of 1 to the projection wall 25. Since the mounting portion 31 is harder than other parts of the hood seal 30, it is possible to firmly fix the hood seal 30 to the cowl louver 24 by appropriately setting the fitting tolerance between the mounting portion 31 and the protruding wall 25. Is possible.
When the hood seal 30 is completely attached to the cowl louver 24, the hood seal 30 is inserted through the insertion hole 34 to the claw 40.
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 tip portions 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 equal to that of the claw 40.
Is smaller than the width of the vehicle in the vehicle front-rear direction, the free end portion 40a is attached to the mounting hole 23 when the pawl 40 passes through the mounting hole 23.
Due to the contact with the peripheral edge, the elastically deforms toward the fixed end. When the cowl louver 24 is pushed into the body cowl 22 by a predetermined amount, the free end portion 40a tries to restore to its original shape by self-elasticity due to the end of the contact with the mounting hole 23.
As a result, the engaging step portion 40b of the claw 40 engages 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 held so as to be slightly elastically deformed, the engagement step portion 40b of the claw 40 is brought into close contact with the peripheral edge of the mounting hole 23 of the body cowl 22 by its reaction force. The rattling of the cowl louver 24 with respect to the body cowl 22 is prevented.

Upper surface 24 of the inclined end of the cowl louver 24
Since the protrusion wall 25 extending in the vehicle width direction and protruding upward is formed in a, the flow of the rainwater F or the like flowing through the end upper surface 24a can be blocked by the protrusion wall 25, and the end of the cowl louver 24 can be prevented. It is possible to prevent rainwater F and the like from entering the gap between the upper surface 24a of the part and the hood seal 30. Further, due to the elastic deformation of the lower seal portion 33 of the hood seal 30, the lower seal portion 33 is closed by the cowl louver 24.
The three seals 33a are formed on the lower surface of the lower seal portion 33, so that the surface pressure of the protrusion 33a can be particularly increased and the seal by the protrusion 33a can be increased. Performance is improved. Therefore, the sealing effect of the projection 33a prevents the rainwater F from entering between the body lower surface 24b of the end portion 24b of the cowl louver 24 and the body cowl 22, and the body cowl 2 from the mounting hole 23.
Infiltration of rainwater F into 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. A body cowl 52, which is a part of the vehicle body, is located below the end of the hood 51. On the upper surface side of the body cowl 52, a cowl louver 54 for taking in outside air into the vehicle compartment 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 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 that descends toward the front side of the vehicle. A projecting wall 55 that extends in the vehicle width direction and projects upward is formed on the end surface 54a. A hood seal 60 made of an elastic body is attached to the projection wall 55. Food seal 6
An elastomer material such as EPDM (olefin-based ethylene / propylene rubber) is used for 0.
The hood seal 60 is provided with a mounting portion 61 that can be fitted to the projection wall 55 and is harder than other parts of the hood seal 60. The mounting portion 61 is formed by filling the molding die with a resin material different from other parts when the hood seal 60 is manufactured by the molding die.

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 that extends from the mounting portion 61 toward the lower end surface 54b of the cowl louver 54 is formed. On the lower surface of the lower seal portion 63, a protrusion 63 having a semicircular cross section is formed.
Three a are formed. The protrusion 63a extends in the vehicle width direction and projects downward. In the lower seal portion 63,
Square insertion hole (not shown) into which a claw 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 downwardly extending claws 70 are formed at predetermined intervals in the vehicle width direction. Each claw 70 has a corresponding mounting hole 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 that is connected to the lower surface 54b of the end, and the tip end thereof is the free end 70.
It is a. An engaging stepped portion 70b that is engageable with the peripheral edge of the mounting hole 53 of the body cowl 22 is formed at the tip portion of the free end portion 70a. The free end portion 70a is largely elastically deformable toward the fixed end portion.

Next, the operation of the second embodiment will be described. Before the work of attaching the cowl louver 54 to the body cowl 52 side, the hood seal 60 is attached to the cowl louver 54 in advance. The hood seal 60 is attached to the cowl louver 54 by fitting the attachment portion 61 of the hood seal 60 into the protrusion wall 55. Mounting part 61
Is harder than the other parts of the hood seal 60, it is possible to firmly fix the hood seal 60 to the cowl louver 54 by appropriately setting the fitting tolerance of the mounting portion 61 and the projection wall 55. Become. Food seal 6
In the state where the attachment of 0 to the cowl louver 54 is completed, the claw 70 projects from the 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 pawl 70 in the vehicle front-rear direction, when the pawl 70 passes through the mounting hole 53, the free end portion 70a is not aligned with the peripheral edge of the mounting hole 53. The contact causes elastic deformation toward the fixed end. When the cowl louver 54 is pushed into the body cowl 52 side by a predetermined amount, the free end portion 70a tries to restore its original shape by self-elasticity due to the end of the contact with the mounting hole 53. This allows the nail 7
The engagement stepped portion 70a of 0 engages with the peripheral edge of the mounting hole 53, and the disengagement of the cowl louver 54 from the body cowl 52 is prevented. Here, the lower seal portion 63 of the hood seal 60
Is clamped to such an extent that it is slightly elastically deformed, so that the engaging stepped portion 70b of the claw 70 is acted upon by the reaction force of the body cowl 52.
The state where the cowl louver 54 is loosely attached to the body cowl 52 is prevented from being brought into close contact with the periphery of the mounting hole 53.

Upper surface 54 of the inclined end of the cowl louver 54
Since the protrusion wall 55 that extends in the vehicle width direction and protrudes upward is formed in a, it is possible to prevent the flow of rainwater F and the like flowing through the upper surface 54a of the end portion by the protrusion wall 55, and the end of the cowl louver 54 can be prevented. It is possible to prevent rainwater F and the like from entering the gap between the upper surface 54a of the part and the hood seal 60. Further, due to the elastic deformation of the lower seal portion 63 of the hood seal 60, the lower seal portion 63 is closed by the cowl louver 54.
However, since the three protrusions 63a are formed on the lower surface of the lower seal portion 63, the surface pressure of the protrusions 63a can be increased.
The sealing performance by the protrusion 63a is improved. Therefore,
The sealing effect of the protrusion 63a prevents the rainwater F from entering between the end lower surface 54b of the cowl louver 54 and the body cowl 52.

FIGS. 6 and 7 show modifications of FIG. 4, respectively. 6 and 7 that are the same as those in FIG. 4 are denoted by the same reference numerals. In FIG. 4, the shape of the claw 70 is U-shaped, but in FIG. 6, the side shape of the claw 80 is L-shaped. When attaching the cowl louver 54 to the body cowl 52, attach the cowl louver 54 with the arrow Y.
Then, the cowl louver 54 is moved in the arrow X direction with the tip of the pawl 80 protruding from the inner surface of the body cowl 52. As a result, the tip of the claw 80 is attached to the mounting hole 5
3, the lower seal portion 6 of the hood seal 60 is engaged with the peripheral edge of
3 is held by the cowl louver 54 and the body cowl 52. A blocking wall 82 that extends in the vehicle width direction and projects downward is formed on the lower surface 54b of the end portion of the cowl louver 54. The rainwater F flowing along the lower surface 54b of the end of the cowl louver 54 is blocked by the blocking wall 82, and the rainwater F is prevented from entering the lower seal portion 63 side.

In FIG. 7, the cowl louver 54 is attached to the body cowl 52 not by the claw 80 but by the clip 90. In the case of FIG. 7, a mounting hole 91 into which the clip 90 is inserted is formed in the body cowl 52, but rainwater F does not enter the mounting hole 91 due to the same sealing function as the hood seal 60 of the second embodiment. .

[0025]

According to the cowl louver mounting structure of the present invention, since the protruding wall extending in the vehicle width direction and protruding upward is formed on the upper surface of the inclined end portion of the cowl louver, rainwater flowing on the upper surface of the end portion of the cowl louver. It is possible to prevent such flow of water by the projection wall, and to prevent rainwater and the like from entering the gap between the upper surface of the end portion of the cowl louver and the hood seal. Further, since the lower seal portion of the hood seal made of an elastic body is sandwiched between the cowl louver and the vehicle body body, elastically deforming the lower seal portion ensures that the lower seal portion is sufficiently adhered to the vehicle body body side. It is possible to improve the sealing property of this portion. Therefore, it is possible to prevent rainwater and the like from entering the vehicle body body from both the upper end side and the lower end side of the cowl louver.

[Brief description of drawings]

1 is a cross-sectional view of a cowl louver mounting structure according to a first embodiment of the present invention, which is a main-part cross-sectional view taken along the line AA of FIG. 3;

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 overall structure of the cowl louver of FIG.

FIG. 4 is a cross-sectional view of a cowl louver mounting structure according to a second embodiment of the present invention, which is a cross-sectional view of essential parts taken along the line BB of FIG.

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

FIG. 6 is a cross-sectional view of an essential part showing a modified example of FIG.

FIG. 7 is a cross-sectional view of main parts showing another modification of FIG.

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

FIG. 9 is a sectional view of an essential part showing another example of a conventional cowl louver mounting structure.

[Explanation of symbols]

 21 Hood 22 Vehicle Body (Body Cowl) 23 Mounting Hole 24 Cowl Louver 24a End Upper Surface 24b End Lower Surface 25 Protrusion Wall 30 Hood 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 Hood seal 70 Claw 80 Claw

Claims (1)

[Claims] 1. A cowl louver for taking in outside air into a vehicle compartment is arranged between an end of a hood covering an engine compartment and a vehicle body, and a cowl louver extends upward in a vehicle width direction on an upper surface of an inclined end of the cowl louver. Form a protruding wall that protrudes to
A hood seal made of an elastic body having an upper seal portion that can come into contact with the hood and a lower seal portion that extends from the protrusion wall side toward the lower surface of the end of the cowl louver is attached to the protrusion wall, and the lower seal of the hood seal is attached. A cowl louver mounting structure in which a part is sandwiched between a cowl louver and a vehicle body body.