JP2000344031A - Cover mounting structure to radiator grill - Google Patents

Abstract

(57) Abstract: Provided is a structure for mounting a cover body on a radiator grill, which can improve the mounting accuracy, maintain good appearance quality, and suppress thermal deformation. A lateral beam section facing an end on a storage opening side.
Notches 8f, 8g are provided on the front side of the radiator grille 10 at the edges 8d, 8e of the horizontal rails 8a, 8b. The cover body 15 is fitted into the storage opening 10a. The cover body 15 has a substantially flat plate-shaped surface portion 16 located at the front of the vehicle, and left and right standing upright inside the vehicle facing the horizontal rail 8 of the radiator grill 10 located around the plate surface portion 16. The left and right flange portions 17, 18 have a flange portion 17, and engaging portions 22, 23, which engage with the notches 8f, 8g from the front side of the radiator grill 10, respectively.
Is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover mounting structure for an in-vehicle antenna mainly used in an in-vehicle millimeter-wave radar, and more particularly to a radiator grill for arranging the in-vehicle antenna on the radiator grill. The present invention relates to a cover body mounting structure.

[0002]

2. Description of the Related Art Conventional vehicle-mounted lens antennas include:
The one shown in FIG. 7 is known (JP-A-8-13).
9514).

In such a vehicle 1, a derivative lens 4 made of the same material as a vehicle bumper 3 made of resin such as polypropylene provided on a front portion 2 of a vehicle body is integrally formed. The derivative lens 4 is raised from the back side of the vehicle bumper 3 to have a lens shape, and a primary radiator 5 is provided at a position facing the focal point of the derivative lens 4.

Next, the operation of the conventional example will be described.

In this prior art example, since the in-vehicle lens antenna is formed using the resin-made derivative lens 4 provided integrally with the vehicle bumper 3, the derivative lens 4 is used.
By simply mounting the primary radiator 5 at the opposing position near the focal point, a vehicle-mounted lens antenna having a simple structure is provided.

[0006]

However, in such a conventional vehicle 1, when a millimeter wave radar or the like is provided behind the radiator grill as an in-vehicle antenna, a cover body is further provided in front of the millimeter wave radar. Need to be protected.

[0007] In order to maintain good appearance quality of the front portion of the vehicle 1, such a cover body must be attached to, for example, a crosspiece in an adjacent radiator grill with good attachment accuracy. There was a problem.

Further, since the cover body has a large temperature change and is located in front of the engine room outside the vehicle exposed to the wind and rain, there is a possibility that the cover body may be deformed by thermal expansion or the like.

Accordingly, an object of the present invention is to provide a structure for mounting a cover to a radiator grill, which can solve the above-mentioned problems, improve the mounting accuracy, maintain good appearance quality, and suppress thermal deformation. Is to do.

[0010]

According to the first aspect of the present invention, a cover is provided on a radiator grill provided in a front end opening of a vehicle and formed in a grid by a crosspiece. In the cover body mounting structure to the radiator grille, the radiator grille,
A storage portion capable of storing the cover body is provided, and the cover body is provided with a flange portion which is provided upright on the inside of the vehicle so as to face the beam portion of the radiator grille, and on the storage portion side of the beam portion. Of the ends, a notch is provided on the front side of the radiator grille, and the flange of the cover body is provided with an engaging portion for engaging the notch from the front side of the radiator grille. It features a cover body mounting structure to the radiator grill.

According to the above-mentioned structure, when the cover body is housed in the housing part, the cover body engages with the engaging part provided on the flange part of the cover body.
A notch provided on the front side of the radiator grille of the storage unit side end of the crosspiece is engaged, and the cover body is attached to the radiator grille.

Therefore, a desired mounting accuracy can be obtained and the mounting rigidity is improved, and even if the cover is formed in a substantially flat plate shape so that diffuse reflection hardly occurs, the stickiness is suppressed.

Further, even if thermal deformation such as thermal expansion occurs in the cover body and the crosspiece, the deformations cancel each other out and the increase in the amount of deformation is suppressed.

According to a second aspect of the present invention, there is provided a structure for attaching a cover body to a radiator grill according to the first aspect, wherein the front end of the bar and the front surface of the cover body are formed substantially flush. And

According to the second aspect of the present invention, the front end of the crosspiece and the front surface of the cover are formed substantially flush with each other, so that there is no step and a sense of unity is created. Furthermore, the appearance quality is good.

According to the third aspect of the present invention,
The radiator grill is formed in a lattice shape by at least a horizontal bar extending in the left-right direction, and the flange is provided on the left and right edges of the cover body.
3. The structure for attaching a cover to a radiator grill according to claim 1 or 2, wherein a mounting flange for fixing the cover to the upper and lower frame portions of the radiator grill is formed at the lower edge.

According to the third aspect of the present invention, the cover body is fixed to the upper and lower frame portions of the radiator grille through which the mounting flange portion can be relatively easily secured. Therefore, it is easy to obtain a desired mounting strength.

Also, the mounting member for mounting the upper and lower frame portions and the mounting flange can be easily concealed from the outside of the vehicle. For this reason, the appearance quality can be further improved.

According to a fourth aspect of the present invention, there is provided a cover for a radiator grill according to the third aspect, wherein a vertical bar portion is provided between the horizontal bar portions in the vicinity of the storage portion. It features a mounting structure.

According to the above-mentioned structure, the vertical cross section can be formed in the vicinity of the storage section so that the storage section is formed as a free end and the rigidity is relatively reduced. However, since the bridges are erected between the horizontal bars, the horizontal bars are reinforced and the mounting rigidity of the cover body can be improved.

[0021]

First Embodiment A first embodiment of the present invention will be described below with reference to the drawings.

FIGS. 1 to 6 show a first embodiment of the present invention.
It shows. Parts that are the same as or equivalent to those in the conventional example will be described with the same reference numerals.

First, the structure will be described. In the structure for attaching the cover to the radiator grille of the vehicle according to the first embodiment, a plurality of cross beams 8a, 8 are provided at the front end opening 7 of the vehicle 6.
b ... vertical bar 9a, vertical wall 9b, 9
A radiator grill 10 formed in a lattice shape by a vertical bar 9 made of c. Of these, horizontal beam 8
b, an eaves portion 8c having a thickness is provided extending in the horizontal direction when viewed from the front of the vehicle.

The radiator grill 10 has an upper frame 11
The left and right edges between the left and right edges of the lower frame portion 12 and the right and left frame portions 13,
13 and a central emblem mounting stay 13a is provided at the center in the vehicle width direction.
It is made of a resin material so as to be integrated with the periphery of.

The radiator grille 10 is formed with a storage opening 10a for storing a millimeter wave radar 14 as an on-vehicle antenna so as to have a substantially rectangular shape on the right side when viewed from the front of the vehicle.

The edges 8d, 8 of the horizontal rails 8a, 8b of the horizontal rail 8 facing the end of the storage opening 10a.
e, a notch 8 is provided on the front side of the radiator grill 10;
f, 8 g are provided.

The housing opening 10a has a cover 15
Are fitted. The cover body 15 mainly has a substantially flat plate-shaped surface portion 16 located on the front of the vehicle, and stands around the plate surface portion 16 and faces the horizontal beam 8 of the radiator grill 10 and stands on the vehicle interior. Left and right flange parts 1
7 and the upper and lower frame portions 1 formed on the upper and lower edge portions.
Upper and lower mounting flanges 20 and 21 are fixed to the first and second 12 via J nuts 19 and 19, respectively.

The left and right flange portions 17 and 18 of the cover body 15 have engagement portions 22 and 22 which engage the notches 8f and 8g respectively from the front side of the radiator grill 10.
23 are provided.

The engaging portions 22 and 23 are open at predetermined intervals in the vertical direction and open at the rear end edges at a predetermined angle when viewed from the side of the vehicle, so that they can be guided when the edge portions 8d and 8e are inserted. It is formed in a substantially concave shape.

Further, in the first embodiment, as shown in FIG. 6, in a state where the engaging portions 22, 23 and the notches 8f, 8g are engaged with each other, as shown in FIG. Front end 8
h, 8i and the front surface 16a of the cover body 15 are formed so as to be substantially flush in the vehicle front-rear direction.

Further, in the first embodiment, the vertical beam 9 of the vertical beam 9 is located near the storage opening 10a.
a, 9a and the vertical wall portions 9c, 9c
It is erected between them.

Next, the operation of the first embodiment will be described.

First, when the cover 15 is inserted into the storage opening 10a from the front of the vehicle and stored, as shown in FIG. 6, the left and right flanges 1 of the cover 15 are formed.
Notches 8f, 8g provided on the front side of the radiator grille 10 among the storage section side ends of the horizontal rail section 8 are provided with respect to the respective engagement sections 22, 23 provided on the 7, 18 respectively. Each is engaged.

Further, mounting bolts 24 and 25 are inserted through the upper and lower mounting flange portions 20 and 21 of the cover body 15,
The cover body 15 is attached to the radiator grill 10 by screwing it to the J nut 19 provided on the upper frame body 11 and the lower frame body 12. Then, these radiator grills 10 are attached to the front end opening 7 of the vehicle 6.

As described above, since the notches 8f and 8g are engaged with the engaging portions 22 and 23 formed at the predetermined intervals, desired mounting accuracy is obtained and mounting rigidity is improved. At the same time, even if the flat plate portion 16 of the cover body 15 is formed in a substantially flat plate shape so that diffuse reflection hardly occurs, the stickiness is suppressed.

The cover body 15 and the crosspiece 8
Even if thermal deformation such as thermal expansion occurs in the vehicle, in the vehicle width direction, they are pressed against each other to cancel each other, thereby suppressing an increase in the amount of deformation.

Further, since the front ends 8h and 8i of the horizontal rail 8 and the front surface 16a of the cover body 15 are formed substantially flush with each other, a uniformity is produced without any step, and the appearance quality is further improved. Is good.

The upper and lower mounting flanges 20 and 21 are mounted on the upper and lower frames 11 and 12 of the radiator grille 10 for which the mounting strength is relatively easy to secure, and J nuts 19 and 1 are provided.
9 and the fixing bolts 24 and 25, and the cover body 15 is fitted in the storage opening 10a, so that it is easy to obtain a desired mounting strength.

Further, J nuts 19, 19 and mounting bolts 24, 25 as mounting members for mounting the upper and lower frame portions 11, 12 and the upper and lower mounting flange portions 20, 21 are provided.
Is easily concealed from the outside of the vehicle. For this reason, the appearance quality can be further improved.

Further, by forming the storage opening 10a in the vicinity of the storage opening 10a, the end edge 8 of each of the crosspieces 8a, 8b which becomes a free end and has relatively reduced rigidity.
The vertical beam members 9a, 9a of the vertical beam portion 9 are also provided at d and 8e portions.
Is installed between the horizontal rails 8a, 8b or 8a, 8a, so that the horizontal rails 8 are reinforced and the mounting rigidity of the cover body 15 can be improved.

Although the first embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration is not limited to the first embodiment, and there are design changes and the like without departing from the gist of the present invention. Even this is included in the present invention.

For example, in the first embodiment, the storage opening 10a for storing the millimeter-wave radar 14 as an on-vehicle antenna is formed so as to have a substantially square shape on the right side when viewed from the front of the vehicle. Not limited to this, for example, the shape and quantity of the storage portion, the material of the radiator grill 10 and the like, such as forming the storage opening portion 10a so as to have a substantially circular shape on the left side in the front view of the vehicle, particularly in the first embodiment. The present invention is not limited to this, and it is sufficient that the cover body 15 can be stored.

[0043]

As described above, according to the first aspect of the present invention, when the cover is housed in the housing, the cover is engaged with the engaging portion provided on the flange of the cover. A notch provided on the front side of the radiator grille of the storage portion side end of the crosspiece is engaged, and the cover body is attached to the radiator grille.

Therefore, the desired mounting accuracy is obtained and the mounting rigidity is improved, and the stickiness is suppressed even if the cover body is formed in a substantially flat plate shape so that diffuse reflection hardly occurs.

Further, even if thermal deformation such as thermal expansion occurs in the cover body and the crosspiece, the deformations cancel each other out and the increase in the amount of deformation is suppressed.

According to the second aspect of the present invention, the front end of the crosspiece and the front surface of the cover are formed substantially flush with each other. Good appearance quality.

According to the third aspect,
Since the cover body is fixed to the upper and lower frames of the radiator grille through which the mounting flange is relatively easy to secure the mounting strength, it is easy to obtain a desired mounting strength.

Further, the mounting member for mounting the upper and lower frame portions and the mounting flange can be easily concealed from the outside of the vehicle. For this reason, the appearance quality can be further improved.

According to the fourth aspect of the present invention, in the vicinity of the storage section, even when the storage section is formed to be a free end and the rigidity is relatively reduced, the vertical cross section can be formed by the vertical cross section. Since it is erected between the horizontal rails, the horizontal rails are reinforced, and a practically useful effect that the mounting rigidity of the cover body can be improved can be exhibited.

[Brief description of the drawings]

FIG. 1 is a perspective view illustrating a structure of a front part of a vehicle in a structure for attaching a cover body to a radiator grill according to a first embodiment of the present invention.

FIG. 2 is a front view of the radiator grill in the structure for attaching a cover to the radiator grill according to the first embodiment.

FIG. 3 is a cross-sectional view of the cover body mounting structure to the radiator grille of the first embodiment, taken along a line AA in FIG. 2;

FIG. 4 is a cross-sectional view of the structure for attaching the cover body to the radiator grill according to the first embodiment, taken along a line BB in FIG. 2;

FIG. 5 is a side view of the cover according to the first embodiment at a position viewed from a vehicle center position to a side portion.

FIG. 6 is a partially enlarged perspective view illustrating a state in which the cover is attached to the radiator grill in the structure for attaching the cover to the radiator grill according to the first embodiment.

FIG. 7 shows a conventional mounting structure for a vehicle-mounted lens antenna.
It is a disassembled perspective view of the bumper back side.

[Explanation of symbols]

 Reference Signs List 6 vehicle 7 front end opening 8 horizontal beam 8a, 8b horizontal beam 8h, 8i front 9 vertical beam 9a, 9a vertical beam 9c, 9c vertical wall 10 radiator grill 10a storage opening (storage) 15 cover body 16a Front 17,18 Left, Right flange 20,21 Upper, Lower mounting flange 22,23 Engagement

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification FI FI Theme Court ゛ (Reference) H01Q 1/32 H01Q 1/32 Z (72) Inventor Tatsuro Mori 2 Takaracho, Kanagawa-ku, Yokohama-shi, Kanagawa Nissan F-term (for reference) 3D020 BA13 BB01 BC24 BD03 5J046 AA00 AA07 AA13 AB00 MA09 5J047 AA00 AA07 AA13 AB00 EA01

Claims (4)

[Claims] 1. A structure for attaching a cover to a radiator grill provided at a front end opening of a vehicle and attaching the cover to a radiator grill formed in a lattice shape by a crosspiece, wherein the cover is housed in the radiator grill. While providing a possible storage portion, the cover body is provided with a flange portion erected on the inside of the vehicle facing the bar portion of the radiator grill, while, of the storage portion side end of the bar portion, A notch is provided on the front side of the radiator grill,
The cover body is attached to the radiator grill, wherein the flange portion of the cover body is provided with an engagement portion that engages with the notch from the front side of the radiator grill. 2. A structure for attaching a cover to a radiator grill according to claim 1, wherein a front end of said crosspiece and a front surface of said cover are formed substantially flush. 3. The radiator grill is formed in the form of a lattice with at least a horizontal bar extending in the left-right direction, and the flanges are provided at left and right edges of the cover body, and upper and lower edges are provided. 3. A structure for attaching a cover to a radiator grill according to claim 1, wherein a mounting flange for fixing the cover to the upper and lower frame portions of the radiator grill is formed on the radiator grill. 4. A structure for attaching a cover body to a radiator grill according to claim 3, wherein a vertical bar portion is provided between said horizontal bar portions near said storage portion.