JP7129940B2 - cover - Google Patents

Description

The present invention relates to covers.

Conventionally, an overhead console located in the center of the ceiling (roof lining) of the front seats of a vehicle has a lighting body for vehicle interior lighting, a camera for detecting objects, etc., and a control device in the housing. A vehicle lighting device is known (see, for example, Patent Literature 1).

Japanese Unexamined Patent Application Publication No. 2018-2118

By the way, the housing of the vehicle lighting device as described above is provided so as to cover the lamp body, the camera, the control device, and the like from the inside of the vehicle interior, and to block the inside of the housing from the outside (the vehicle interior). ing. As a result, the temperature inside the housing may rise excessively due to the heat generated by the control device, etc., and an abnormality such as malfunction of the camera and the control device may occur due to the temperature rise inside the housing.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a cover capable of suppressing an increase in ambient temperature caused by heat generation of a control device or the like.

In order to solve the above-described problems, a cover according to the present invention is a cover that covers a control device that controls a detection device that is arranged in a vehicle interior and that detects an object outside the vehicle, wherein the control device a cover body covering the surface facing the vehicle interior of the vehicle; and a ventilation part provided in the cover body so as to face the control device in a predetermined direction and having a plurality of through holes formed through the cover body. and, wherein the ventilation section includes a wall portion projecting toward the control device, a plurality of hexagonal regions partitioned by the wall portion and arranged adjacent to each other via the wall portion, and a plurality of and a trapezoidal area.

In the cover according to the present invention, the wall portions are arranged between each of the plurality of hexagonal regions, between each of the plurality of trapezoidal regions, and between the plurality of hexagonal regions and the plurality of trapezoidal regions. and an outer wall portion having a hexagonal outer shape, which is provided integrally with the inner wall portion and arranged on the periphery of the ventilation portion.

In the cover according to the present invention, it is preferable that the outer wall has a protrusion height higher than that of the inner wall.

In the cover according to the present invention, the hexagonal region arranged adjacent to the outer wall portion among the plurality of hexagonal regions is defined as the outer wall side hexagonal region, and the outer wall side hexagonal region includes the It is preferable to have two said trapezoidal regions defined by said inner wall portion arranged parallel to said outer wall portion of one of said outer wall portions adjacent to said outer wall side hexagonal region.

In the cover according to the present invention, the number of the plurality of hexagonal regions is eight, and the plurality of hexagonal regions arranged in a honeycomb structure are arranged adjacent to each other in a predetermined arrangement direction at the center of the ventilation portion. two center-side hexagonal regions, two different row hexagonal regions adjacent to each of the two center-side hexagonal regions from both sides in the direction orthogonal to the predetermined arrangement direction, and the two center-side hexagonal regions four outer wall-side hexagonal regions each adjacent to one of the regions and one of the two different-row hexagonal regions, wherein the number of the plurality of trapezoidal regions is 14, The 14 trapezoidal areas include two first outer wall side trapezoidal areas adjacent to each of the two central hexagonal areas from both sides in the predetermined arrangement direction, and the four outer wall side hexagonal areas. eight inner hexagonal trapezoidal regions arranged two by two inside each of the regions; 2 outer wall side trapezoidal regions.

In the cover according to the present invention, the cover main body includes a gate mark arranged outside the ventilation part, and the cover main body is provided with a gate mark arranged outside the ventilation part, and the cover main body is more likely than one of the first outer wall side trapezoidal regions of the two first outer wall side trapezoidal regions. It is preferable that the other first outer wall side trapezoidal region having a longer distance from the gate mark be a non-through hole forming region in which the through hole is not formed.

In the cover according to the present invention, 19 through-holes are formed in each of the two center-side hexagonal regions and the two different-row hexagonal regions, and the two center-side hexagonal regions and Each of the two different-row hexagonal regions includes a first hole row, a second hole row, a third hole row, a third 4 hole rows and a fifth hole row, wherein three through-holes are arranged in each of the first hole row and the fifth hole row in parallel to the opposite sides, and the second hole row and the Four through-holes are arranged parallel to the opposite sides in each of the fourth hole rows, and five through-holes are arranged parallel to the opposite sides in the third hole row. , one of the two first outer wall side trapezoidal regions, the four second outer wall side trapezoidal regions, and the eight inner hexagonal trapezoidal regions are each formed with seven through holes. and each of the two first outer-wall-side trapezoidal regions, the four second outer-wall-side trapezoidal regions, and the eight inner-hexagonal trapezoidal regions is located between the bases of the trapezoidal regions and the bases of the bases. A sixth hole row and a seventh hole row are arranged in orthogonal directions, the sixth hole row has three through-holes arranged in parallel to the base, and the seventh hole row has the through-hole It is preferable that four holes are arranged in parallel with the base.

Preferably, the cover according to the present invention includes a design portion in which a plurality of recesses having the same diameter as the through hole is formed on the surface of the cover main body on the vehicle interior side.

According to the present invention, the plurality of through-holes formed in the cover body can suppress an increase in ambient temperature caused by heat generated by the control device or the like.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view of a vehicle viewed from the left-right direction, showing the configuration of a vehicle lighting device having a cover according to an embodiment of the present invention; 1 is a perspective view showing the configuration of a vehicle lighting device according to an embodiment of the present invention; FIG. The perspective view which decomposed|disassembled the 1st housing|casing and 2nd housing|casing, and lid member in the cover of the vehicle lighting apparatus which concerns on embodiment of this invention, and was seen from the back surface side. FIG. 2 is an enlarged perspective view of the cover according to the embodiment of the present invention as seen from the back side; The figure which looked at the ventilation part of the cover which concerns on embodiment of this invention from the back surface side. FIG. 4 is an enlarged view of the ventilation portion of the cover according to the embodiment of the present invention; The figure which looked at the ventilation part of the cover which concerns on embodiment of this invention from the surface side. FIG. 5 is a diagram schematically showing the flow of a resin material during the molding process of the cover in each of the embodiment of the present invention, the first comparative example, and the second comparative example;

An embodiment of the cover of the present invention will be described below with reference to the accompanying drawings.

(Vehicle lighting device)
FIG. 1 is a lateral view of a vehicle 1 showing the configuration of a vehicle lighting device 10 having a cover 20 according to the embodiment, as viewed from the left-right direction. FIG. 2 is a perspective view showing the configuration of the vehicle lighting device 10 according to the embodiment.

As shown in FIG. 1 , a vehicle lighting device 10 of this embodiment is arranged above a front seat 3 in a vehicle interior 2 of a vehicle 1 . The upper part of the vehicle interior 2 is, for example, a roof lining 4 corresponding to the ceiling, an upper part of the front window 5, and the like.
In the following description, directions of the X-axis, Y-axis, and Z-axis, which are orthogonal to each other in the three-dimensional space, are directions parallel to the respective axes. For example, the longitudinal direction of the vehicle 1 is parallel to the X-axis direction. The positive direction of the X-axis direction is the direction from the rear to the front of the vehicle 1 . The left-right direction of the vehicle 1 is parallel to the Y-axis direction. The positive direction of the Y-axis direction is the direction from the left side to the right side of the vehicle 1 . The vertical direction of the vehicle 1 is parallel to the Z-axis direction. The positive direction of the Z-axis direction is the direction from the bottom to the top of the vehicle 1 .

As shown in FIGS. 1 and 2, the vehicle lighting device 10 includes a first housing 21 and a second housing 22 that constitute a cover 20, two lighting bodies 23, two external cameras 24, and a control device. A device 25 and a cooling fan 26 are provided.
The first housing 21 and the second housing 22 are formed separately from each other. The first housing 21 and the second housing 22 are joined together so as to be aligned in the front-rear direction (X-axis direction), and are arranged so as to partially cover the upper portion of the vehicle interior 2 . The second housing 22 corresponds to the cover main body in the claims.

FIG. 3 is a perspective view of the first and second housings 21 and 22 and the cover member 33 of the cover 20 of the vehicle lighting device 10 according to the embodiment, viewed from the rear surface 21B side. FIG. 4 is an enlarged perspective view of the cover according to the embodiment viewed from the back surface 21B side. FIG. 5 is a view of the ventilation section 70 of the cover 20 according to the embodiment as viewed from the rear surface 22B side. FIG. 6 is a view of the ventilation part 70 of the cover 20 according to the embodiment as seen from the surface 22A side. FIG. 7 is an enlarged view of the ventilation part 70 of the cover 20 according to the embodiment.

As shown in FIGS. 1 to 7, the outer shape of the first housing 21 is, for example, a box shape provided with a plurality of openings. The first housing 21 is made of a highly flexible resin material such as polypropylene resin or acrylonitrile-butadiene-styrene resin. The first housing 21 is arranged to partially cover the roof lining 4 .

The first housing 21 includes two first accommodation portions 31 , a box portion 32 and a lid member 33 .
The outer shape of each of the two first housing portions 31 is, for example, a concave shape that is concave upward in the vertical direction (positive direction in the Z-axis direction) on the surface 21A of the first housing 21 that is exposed on the vehicle interior 2 side. is formed in The two first accommodating portions 31 are provided on the rear side of the first housing 21 in the front-rear direction (negative direction in the X-axis direction). Each of the two first accommodation portions 31 accommodates the lamp body 23 .

The outer shape of the box portion 32 is formed, for example, in a concave shape that is concave upward in the vertical direction on the surface 21A of the first housing 21 . Along with this, a first opening 34 is formed in the first housing 21 so as to communicate with the inside of the box portion 32 from the vehicle interior 2 side.
The box portion 32 constitutes a so-called console box of an overhead console, and is provided on the front side of the first housing 21 in the front-rear direction (positive side in the X-axis direction). The box portion 32 accommodates a lid member 33 that can open and close the first opening portion 34 so that it can be pulled out toward the vehicle interior 2 side.

The box portion 32 has a left end portion 32L and a right end portion 32R in the left-right direction (Y-axis direction), and each of the left end portion 32L and the right end portion 32R has a shaft that rotatably supports a rotating shaft 51a of the lid member 33, which will be described later. A support portion 41 is provided. For example, the shaft support portion 41 is formed with a shaft insertion hole 41a into which the rotating shaft 51a of the cover member 33 is rotatably inserted.

A second opening 42 is formed in a front end portion 32</b>F of the box portion 32 in the front-rear direction. The box portion 32 includes a plurality of (for example, two) first claw portions 44 at a first end portion 43U on the upper side in the vertical direction of the peripheral edge portion 43 forming the second opening portion 42 . For example, the two first claw portions 44 protrude forward in the front-rear direction at a predetermined interval in the left-right direction. Each first claw portion 44 is mechanically joined to a first claw holding portion 63 of the second housing 22, which will be described later, by a so-called cantilever-type snap fit. Each first claw portion 44 elastically meshes with the first claw holding portion 63 to fix the first housing 21 and the second housing 22 to each other.

The box portion 32 includes a plurality of (for example, four) second claw portions 45 at a second end portion 43B on the lower side in the vertical direction of the peripheral edge portion 43 of the second opening portion 42 . For example, the four second claw portions 45 are arranged at predetermined intervals in the left-right direction. Each second claw portion 45 has a pair of claw pieces 46 that are separated in the left-right direction and protrude upward in the vertical direction. For example, as shown in FIG. 3, each claw piece 46 includes a leg portion 46a extending in the vertical direction and a head portion 46b projecting in the horizontal direction from the distal end portion of the leg portion 46a. The pair of claw pieces 46 are arranged so that their respective head portions 46b protrude in opposite directions in the left-right direction.

A pair of claw pieces 46 of each of the second claw portions 45 are attached to a second claw holding portion 64 (for example, a center side second claw holding portion 64A or an end portion) of the second housing 22, which will be described later, by a so-called cantilever-type snap fit. It is mechanically joined to the side second claw holding portion 64B). The pair of claw pieces 46 are arranged so as to sandwich the second claw holding portion 64 from both sides in the left-right direction, and each head portion 46b or each leg portion 46a is pushed into the second claw holding portion 64 by the elasticity of the leg portion 46a. By abutting, the first housing 21 and the second housing 22 are fixed to each other.

Of the four second claw portions 45, the claw pieces 46 of the two center-side second claw portions 45A arranged on the center side in the left-right direction of the second end portion 43B are moved upward in the vertical direction due to the elasticity of the leg portions 46a. The vertical positions of the first housing 21 and the second housing 22 are restricted by abutting the head portion 46b against the second claw holding portion 64 (center side second claw holding portion 64A).
Of the four second claw portions 45, the claw pieces 46 of the two end-side second claw portions 45B arranged on both left and right end sides (the left end 43BL side and the right end 43BR side) of the second end portion 43B are By pushing the leg portion 46a against the second claw holding portion 64 (end side second claw holding portion 64B) from the left and right direction due to the elasticity of the leg portion 46a, the first housing 21 and the second housing 22 are moved in the left and right direction. regulate the position in

The box portion 32 is provided on both end sides (left end 43BL side and right end 43BR side) of the four second claw portions 45 in the left-right direction at the second end portion 43B of the peripheral edge portion 43 of the second opening 42. A first screw mounting portion 47 is provided. Each first screw mounting portion 47 includes, for example, a first boss 47a projecting upward in the vertical direction. A first screw hole 47b is formed in the first boss 47a so as to face and continue to a first screw insertion hole 67a of the second housing 22, which will be described later.

The vehicle lighting device 10 includes a first screw member 48 that is inserted into the first screw insertion hole 67a and screwed into the first screw hole 47b. The first screw member 48 fixes the first housing 21 and the second housing 22 to each other, and the first housing 21 and the second housing 21 and the second housing 21 and the second housing 21 are secured to each other in any arbitrary direction in addition to the vertical direction and the horizontal direction. It regulates the position of the body 22.

The first housing 21 includes two second screw mounting portions 49 provided on both end sides (left end side and right end side) of the two first screw mounting portions 47 in the left-right direction around the box portion 32 . Each second screw mounting portion 49 includes, for example, a second boss 49a protruding upward in the vertical direction from the rear surface 21B of the first housing 21 . A second screw hole 49b is formed in the second boss 49a so as to face and continue to a second screw insertion hole 68a of the second housing 22, which will be described later.

The vehicle lighting device 10 includes a second screw member 50 that is inserted into the second screw insertion hole 68a and screwed into the second screw hole 49b. The second screw member 50 fixes the first housing 21 and the second housing 22 to each other, and the first housing 21 and the second housing 21 and the second housing 21 and the second housing 21 and 22 can be secured in any other arbitrary direction in addition to the vertical direction and the horizontal direction. It regulates the position of the body 22.

The lid member 33 has a case 51 and a cover 52 .
The outer shape of the case 51 is, for example, an open box shape. The case 51 accommodates an appropriate object such as sunglasses worn by an occupant of the vehicle 1, for example. The case 51 has a rotation shaft 51a extending in the left-right direction at the front end in the front-rear direction. The rotating shaft 51 a is inserted into the shaft insertion hole 41 a of the box portion 32 . The case 51 is pulled out from the inside of the box portion 32 to the vehicle interior 2 side, or is housed inside the box portion 32 from the vehicle interior 2 side by rotating around the rotating shaft 51a.

The cover 52 is attached to the case 51 so as to cover the lower surface of the case 51 (the surface facing the vehicle interior 2 side in the vertical direction). The cover 52 opens and closes the first opening 34 of the first housing 21 as the case 51 rotates. The cover 52 closes the first opening 34 when the case 51 is housed inside the box portion 32 . The cover 52 unblocks the first opening 34 when the case 51 is pulled out from the inside of the box portion 32 toward the vehicle interior 2 .

As shown in FIGS. 1 to 6, the outer shape of the second housing 22 is, for example, an open box shape. The second housing 22 is made of, for example, a highly rigid resin material such as polycarbonate resin. The second housing 22 is arranged to cover part of the upper portion of the front window 5 .

The second housing 22 includes a second accommodation portion 61 and a wall portion 62 .
The outer shape of the second housing portion 61 is, for example, a box shape that opens upward in the vertical direction and forward in the front-rear direction. The second housing portion 61 is provided on the front side of the second housing 22 in the front-rear direction. The second housing portion 61 houses two external cameras 24 that are spaced apart in the left-right direction, and the control device 25 and the cooling fan 26 that are placed in the center of the second housing 22 in the left-right direction.

The outer shape of the wall portion 62 is, for example, a plate-like shape that curves along the rotational trajectory of the front end (the front end portion in the front-rear direction) of the lid member 33 in the box portion 32 of the first housing 21 . The wall portion 62 is provided on the rear side of the second housing 22 in the front-rear direction. The wall portion 62 closes the second opening portion 42 of the box portion 32 of the first housing 21 .
An upper third end portion 62U of the wall portion 62 in the vertical direction is arranged on the side of the first housing 21 relatively rearward in the front-rear direction from a fourth end portion 62B of the lower vertical direction of the wall portion 62. It is

The wall portion 62 includes a plurality of (for example, two) first claw holding portions 63 at the upper third end portion 62U in the vertical direction. For example, two first claw holding portions 63 are provided at a predetermined interval in the left-right direction. The outer shape of each first claw holding portion 63 is, for example, formed in a concave shape with which each first claw portion 44 of the first housing 21 is engaged (engaged and stopped) downward in the vertical direction. It is Each first claw portion 44 and each first claw holding portion 63 are engaged with each other to fix the first housing 21 and the second housing 22 .

The wall portion 62 includes a plurality of (for example, four) second claw holding portions 64 at a lower fourth end portion 62B in the vertical direction. For example, the four second claw holding portions 64 are arranged at predetermined intervals in the left-right direction. A plurality (for example, four) of the second claw portions 45 of the first housing 21 are inserted into the second housing 22 from the vehicle interior 2 side toward the inside of the second housing 22 (for example, four) at the fourth end 62B. ) through holes 65 are formed. For example, four through holes 65 are provided at predetermined intervals in the left-right direction. Each second claw holding portion 64 is formed so as to extend upward in the vertical direction from an edge portion 66 of each through hole 65 on the center side of each through hole 65 in the left-right direction. The outer shape of each second claw holding portion 64 is, for example, a columnar shape that extends upward in the vertical direction from the edge portion 66 and engages with each second claw portion 45 in the vertical or horizontal direction.

A second end portion 43B of the first housing 21 having a plurality of second claw portions 45 extends from the vehicle interior 2 side, that is, from the lower side in the vertical direction, of the second housing 22 having a plurality of through holes 65 formed therein. It is arranged so as to overlap the fourth end portion 62B. Along with this, the pair of claw pieces 46 of each of the second claw portions 45 are arranged from the lower side to the upper side in the vertical direction into the respective through holes 65 so as to sandwich the respective second claw holding portions 64 from both sides in the left-right direction. 2 is inserted toward the inside of the housing 22 . A pair of claw pieces 46 of each second claw portion 45 fixes the first housing 21 and the second housing 22 by meshing with each second claw holding portion 64 in the vertical direction or the horizontal direction.

Of the four second claw holding portions 64, the two center side second claw holding portions 64A arranged on the center side in the left-right direction of the fourth end portion 62B are connected to the two second claw portions 45 (center side second claws). The vertical positions of the first housing 21 and the second housing 22 are restricted by the vertical contact of the portion 45A).
Of the four second claw holding portions 64, the two end portion side second claw holding portions 64B arranged on both left and right end sides (left end 62BL side and right end 62BR side) of the fourth end portion 62B The positions of the first housing 21 and the second housing 22 in the left-right direction are regulated by the two claws 45 (the second end-side claws 45B) abutting in the left-right direction.

The second housing 22 includes two third screw mounting portions 67 provided on both end sides (left end side and right end side) of the four second claw holding portions 64 in the left-right direction around the wall portion 62 . Each third screw mounting portion 67 is formed with, for example, a first screw insertion hole 67 a that faces and continues to the first screw hole 47 b of each first screw mounting portion 47 of the first housing 21 . As described above, each first screw member 48 inserted into each first screw insertion hole 67a is screwed into each first screw hole 47b to fix the first housing 21 and second housing 22. .

The second housing 22 includes two fourth screw mounting portions 68 provided on both end sides (left end side and right end side) of the two third screw mounting portions 67 in the left-right direction around the wall portion 62 . Each fourth screw mounting portion 68 is formed with, for example, a second screw insertion hole 68 a that faces and continues to the second screw hole 49 b of each second screw mounting portion 49 of the first housing 21 . As described above, the second screw members 50 inserted into the second screw insertion holes 68a are screwed into the second screw holes 49b to fix the first housing 21 and the second housing 22. .

Note that when the first housing 21 and the second housing 22 are joined together, first, the first end 43U of the first housing 21 and the third end 62U of the second housing 22 are joined together. The first claw portion 44 and each first claw holding portion 63 are engaged.
Next, the second claw portions 45 and the second claw holding portions 64 are engaged with the second end portion 43B of the first housing 21 and the fourth end portion 62B of the second housing 22 .
Next, the first screw mounting portions 47 of the first housing 21 and the third screw mounting portions 67 of the second housing 22 are fixed by the first screw members 48, and the first housing 21 is fixed by the first screw members 48. Each second screw mounting portion 49 and each fourth screw mounting portion 68 of the second housing 22 are fixed by each second screw member 50 .

The second housing 22 includes a ventilation section 70 in which a plurality of ventilation holes 71 are formed. The outer shape of the ventilation part 70 is formed, for example, in a hexagonal shape having opposite sides parallel to each other in the front-rear direction and parallel to each other in the left-right direction, and line-symmetrical with respect to a center line extending in the front-rear direction. The ventilation unit 70 is arranged on the center side in the left-right direction of the second housing 22 and provided so as to vertically face the control device 25 via the cooling fan 26 . Each of the plurality of ventilation holes 71 vertically penetrates the second housing 22 . Note that the ventilation holes 71 correspond to through holes in the claims. Moreover, the vertical direction corresponds to the predetermined direction in the claims.
The ventilation section 70 includes a wall section 72 provided on the back surface 22B of the second housing 22 and a plurality of hexagonal regions 73 and a plurality of trapezoidal regions 74 partitioned by the wall section 72 .

The wall portion 72 protrudes upward in the vertical direction toward the control device 25 from the rear surface 22B of the second housing 22 . The wall portion 72 includes an outer wall portion 75 arranged along the periphery of the ventilation portion 70 and an inner wall portion 76 surrounded by the outer wall portion 75 .
The external shape of the outer wall portion 75 is formed, for example, in a hexagonal shape along the periphery of the ventilation portion 70 . The height (protrusion height) of the outer wall portion 75 in the protruding direction is formed so as to decrease, for example, from the rear to the front in the front-rear direction. The protrusion height of the inner wall portion 76 is formed, for example, constant. The protrusion height of the outer wall portion 75 is formed relatively higher than the protrusion height of the inner wall portion 76 .

The plurality of hexagonal regions 73 and the plurality of trapezoidal regions 74 are integrally arranged without gaps via the inner wall portion 76 .
Each outer shape of the plurality of hexagonal regions 73 is, for example, a regular hexagon. The number of hexagonal regions 73 is eight, for example. The eight hexagonal regions 73 are arranged in a honeycomb structure. The eight hexagonal regions 73 include, for example, two central hexagonal regions 77 , three right hexagonal regions 78 and three left hexagonal regions 79 .

The two center-side hexagonal regions 77 are arranged adjacent to each other in the front-rear direction so that one side of each of the two center-side hexagonal regions 77 is in contact with each other at the center 70 a of the ventilation portion 70 . The center 70a is also the center of gravity of the outer wall portion 75 formed in a hexagonal shape.
The three right-side hexagonal regions 78 are adjacent to the two center-side hexagonal regions 77 from the right side in the left-right direction (positive direction side in the Y-axis direction), and are arranged side by side sequentially adjacent to each other in the front-rear direction. .
The three left hexagonal regions 79 are adjacent to the two central hexagonal regions 77 from the left side in the left-right direction (negative direction side in the Y-axis direction), and are arranged side by side sequentially adjacent to each other in the front-rear direction. . Note that the front-rear direction corresponds to the predetermined arrangement direction in the claims.

The three right hexagonal regions 78 sandwich the first right hexagonal region 78a adjacent to the two central hexagonal regions 77 and the first right hexagonal region 78a from both sides in the front-rear direction, and two second right hexagonal regions 78 b adjacent to any one of the rectangular regions 77 . Each of the two second right hexagonal regions 78b is arranged near (adjacent to) the outer wall portion 75 with respect to the center 70a of the ventilation portion 70, and is divided by a predetermined inner wall portion 76a (76) into two trapezoidal shapes. A region 74 (a trapezoidal region 81 within a hexagon) is provided.

The inner wall portion 76a (76) dividing the second right hexagonal region 78b is arranged to connect predetermined opposing vertexes in the second right hexagonal region 78b. The inner wall portion 76a (76) extends parallel to the portion 75a that intersects at an acute angle with the direction in which the three right hexagonal regions 78 are arranged (that is, the front-rear direction) of the outer wall portion 75 that defines the second right hexagonal region 78b. are placed. The portion 75 a corresponds to a portion of one side of the hexagon in the hexagonal outer wall portion 75 .

That is, each of the two second right hexagonal regions 78b is arranged parallel to the portion 75a of the outer wall portion 75 in its interior (the interior surrounded by the inner wall portion 76 that defines the second right hexagonal region 78b). It has two trapezoidal areas 74 defined by an inner wall 76a.
The first right hexagonal area 78a corresponds to a different row hexagonal area in the claims. Also, the second right hexagonal region 78b corresponds to the outer wall side hexagonal region in the claims.

The three left hexagonal regions 79 sandwich the first left hexagonal region 79a adjacent to the two central hexagonal regions 77 and the first left hexagonal region 79a from both sides in the front-rear direction, and also sandwich the two central hexagonal regions 79a. and two second left hexagonal regions 79 b adjacent to any one of the rectangular regions 77 . Each of the two second left hexagonal regions 79b is arranged near (adjacent to) the outer wall portion 75 with respect to the center 70a of the ventilation portion 70, and is divided by a predetermined inner wall portion 76b (76) into two trapezoidal shapes. A region 74 (a trapezoidal region 81 within a hexagon) is provided.

The inner wall portion 76b (76) that divides the second left hexagonal region 79b is arranged to connect predetermined opposing vertexes in the second left hexagonal region 79b. The inner wall portion 76b (76) extends parallel to the portion 75b of the outer wall portion 75 that defines the second left hexagonal region 79b and intersects at an acute angle with the direction of arrangement of the three left hexagonal regions 79 (that is, the front-rear direction). are placed. The portion 75 b corresponds to a portion of one side of the hexagon in the hexagonal outer wall portion 75 .

That is, each of the two second left hexagonal regions 79b is arranged parallel to the portion 75b of the outer wall portion 75 in its interior (the interior surrounded by the inner wall portion 76 that defines the second left hexagonal region 79b). It has two trapezoidal regions 74 defined by an inner wall portion 76b.
The first left hexagonal region 79a corresponds to a different row hexagonal region in the claims. Also, the second left hexagonal region 79b corresponds to the outer wall side hexagonal region in the claims.

The outline of each of the plurality of trapezoidal regions 74 is, for example, an isosceles trapezoid obtained by dividing the hexagonal region 73 into two halves. The number of trapezoidal regions 74 is, for example, fourteen. The fourteen trapezoidal regions 74 include, for example, eight inner hexagonal trapezoidal regions 81 , two first outer wall side trapezoidal regions 82 , and four second outer wall side trapezoidal regions 83 .
The eight intra-hexagonal trapezoidal areas 81 are four intra-hexagonal trapezoidal areas 81 forming two second right hexagonal areas 78b and four intra-hexagonal trapezoidal areas 81 forming two second left hexagonal areas 79b. and a region 81 .

The two first outer wall side trapezoidal regions 82 adjoin the two center side hexagonal regions 77 from both sides in the front-rear direction. Each first outer wall side trapezoidal region 82 is arranged so that its upper base is in contact with one side of the center side hexagonal region 77 . The two first outer wall side trapezoidal regions 82 include a rear first outer wall side trapezoidal region 82a arranged on the rear side in the front-rear direction and a front first outer wall side trapezoidal region 82b arranged on the front side.

The four second outer wall side trapezoidal regions 83 are adjacent to the three right hexagonal regions 78 and the three left hexagonal regions 79 from both sides in the left-right direction. The four second outer wall side trapezoidal regions 83 include two right second outer wall side trapezoidal regions 83a arranged on the right side in the horizontal direction, two left second outer wall side trapezoidal regions 83b arranged on the left side, Prepare. The two right second outer wall side trapezoidal regions 83a are arranged so that their upper bases are in contact with the right two sides of the first right hexagonal region 78a. The two left second outer wall side trapezoidal regions 83b are arranged so that their upper bases are in contact with the two left sides of the first left hexagonal region 79a.

The number of ventilation holes 71 distributed in each of the two central hexagonal regions 77, the first right hexagonal region 78a, and the first left hexagonal region 79a is, for example, nineteen. The 19 ventilation holes 71 are arranged in order in the direction orthogonal to the opposite sides between arbitrary opposite sides in each of the hexagonal regions 77, 78a, 79a in a first hole row 91, a second hole row 92, and a third hole row. 93 , a fourth hole row 94 and a fifth hole row 95 . Each of the first hole row 91 and the fifth hole row 95 has three ventilation holes 71 arranged in parallel on opposite sides. Each of the second hole row 92 and the fourth hole row 94 has four ventilation holes 71 arranged in parallel on opposite sides. The third hole row 93 has five ventilation holes 71 arranged in parallel on opposite sides.

For example, when a gate made of a resin material is arranged behind the ventilation section 70 in the front-rear direction during molding of the cover 20 , the two first outer wall-side trapezoidal regions 82 arranged on both sides in the front-rear direction of the plurality of trapezoidal regions 74 . A ventilation hole 71 is formed in the rear first outer wall side trapezoidal region 82a. On the other hand, the front first outer wall side trapezoidal region 82b is a non-ventilation hole formation region (non-through hole formation region) 101 in which the ventilation holes 71 are not formed. That is, the formation of the ventilation holes 71 is omitted on the downstream side in the flow direction of the resin material during the molding process of the cover 20 .

The number of the plurality of ventilation holes 71 distributed in each of the trapezoidal regions 74 other than the front first outer wall side trapezoidal region 82b is seven, for example. The seven ventilation holes 71 constitute a sixth hole row 96 and a seventh hole row 97 arranged between the bases of the trapezoidal regions 74 in a direction orthogonal to the bases. Here, the base means the upper base and the lower base, which are two parallel opposite sides among the four sides forming the trapezoid. The sixth hole row 96 has three ventilation holes 71 arranged in parallel on the bottom side. The seventh hole row 97 has four ventilation holes 71 arranged in parallel on the bottom side.

The second housing 22 includes a design portion 99 in which a plurality of recesses 98 having the same size as the ventilation holes 71 are formed on the surface 22A on the vehicle interior 2 side. The outer shape of the design portion 99 is formed in a rectangular shape including the ventilation portion 70, for example. The outer shape of the plurality of recesses 98 is, for example, cylindrical with the same diameter as the cylindrical ventilation hole 71 . The plurality of recesses 98 are distributed in the design portion 99 in the same manner as the plurality of ventilation holes 71 .

Each of the two lamp bodies 23 is, for example, a light emitting diode or the like.
The two external cameras 24 are, for example, stereo cameras or the like arranged separately in the horizontal direction. The two external cameras 24 detect pedestrians, objects, etc. in front of the vehicle 1 in the longitudinal direction. The two outside cameras 24 are controlled by the control device 25 .

The control device 25 is a software functional unit that functions when a predetermined program is executed by a processor such as a CPU (Central Processing Unit). The software function unit is an ECU (Electronic Control Unit) comprising a processor such as a CPU, a ROM (Read Only Memory) for storing programs, a RAM (Random Access Memory) for temporarily storing data, and an electronic circuit such as a timer. be. At least part of the control device 25 may be an integrated circuit such as an LSI (Large Scale Integration).
Cooling fan 26 blows air taken in from vehicle interior 2 through a plurality of ventilation holes 71 of ventilation section 70 toward control device 25 .

As described above, according to the cover 20 of the present embodiment, the ventilation section 70 having the plurality of ventilation holes 71 is provided so as to face the control device 25 . With this configuration, the heat of the internal atmosphere covered by the second housing 22 is dissipated into the vehicle interior 2 through the plurality of ventilation holes 71 penetrating the second housing 22 . As a result, it is possible to suppress the temperature rise of the internal atmosphere caused by the heat generated by the control device 25 and the like covered by the second housing 22 .
Moreover, each of the plurality of hexagonal regions 73 and the plurality of trapezoidal regions 74 integrally arranged in the ventilation portion 70 is partitioned by the wall portion 72 . Thereby, the rigidity and strength of the ventilation part 70 in which the plurality of ventilation holes 71 are formed can be improved.

The ventilation part 70 has a hexagonal outer shape, and the wall part 72 includes an outer wall part 75 arranged on the periphery of the ventilation part 70 . With this configuration, the ventilation section 70 is surrounded by the hexagonal outer wall section 75 . As a result, the rigidity and strength of the ventilation portion 70 are improved compared to the case where the outer wall portion has a shape other than a hexagon. It is possible to improve the fluidity of the resin material.

Further, the wall portion 72 has an inner wall portion 76 surrounded by an outer wall portion 75 , and the protrusion height of the outer wall portion 75 is formed relatively higher than the protrusion height of the inner wall portion 76 . With this configuration, the air passing through the plurality of ventilation holes 71 of the ventilation section 70 flows along the projecting direction of the wall section 72 while being guided by the outer wall section 75 . Thereby, an air flow can be formed between the ventilation section 70 and the control device 25 . In addition, the cooling fan 26 that blows air to the control device 25 facilitates the intake of air from the vehicle interior 2 into the ventilation section 70 , thereby promoting the heat dissipation of the control device 25 .

Further, a second right hexagonal region 78b and a second left hexagonal region 79b, which are arranged closer to the outer wall portion 75 with respect to the center 70a of the ventilation portion 70 among the plurality of hexagonal regions 73, It has two trapezoidal areas 74 (hexagonal inner trapezoidal areas 81) defined by inner wall portions 76a (76) and 76b (76) parallel to the portions 75a and 75b. With this configuration, the fluidity of the resin material around the hexagonal regions 78b and 79b and the outer wall portion 75 can be improved when the cover 20 is manufactured by molding, for example.

A ventilation hole 71 is provided in the rear first outer wall side trapezoidal region 82a on the side of the gate mark G with respect to the center 70a of the ventilation part 70, and a ventilation hole 71 is provided in the front first outer wall side trapezoidal region 82b on the opposite side of the gate mark G. is not provided with ventilation holes 71 . That is, when the cover 20 is manufactured by molding, the rear first outer wall side trapezoidal region 82a in which the ventilation holes 71 are formed is arranged on the upstream side in the flow direction of the resin material, and the rear first outer wall side trapezoidal region 82a in which the ventilation holes 71 are formed is arranged on the downstream side in the flow direction of the resin material. A front first outer wall side trapezoidal region 82b in which the ventilation holes 71 are not formed is arranged in the .

That is, the front first outer wall side trapezoidal region 82b is a non-ventilation hole formation region 101 in which the ventilation holes 71 are not formed. As a result, compared to the case where the front first outer wall side trapezoidal region 82b in which the ventilation holes 71 are formed, for example, is arranged on the downstream side in the flow direction of the resin material, the resin material in the front first outer wall side trapezoidal region 82b on the downstream side is It is possible to suppress the decrease in material flow rate and prevent the occurrence of short shots (molding defects).

FIG. 8 is a diagram schematically showing the flow of the resin material during the molding process of the cover in each of the embodiment, the first comparative example, and the second comparative example. In each of the embodiment, the first comparative example, and the second comparative example, the gate marks G are formed rearward in the longitudinal direction with respect to the ventilation portions 70 , 170 , 270 . In other words, the gate marks G are formed outside the ventilation portions 70, 170, 270 (outside the area surrounded by the outer wall portion 75).

As shown in FIG. 8, in contrast to the ventilation section 70 according to the embodiment, in the ventilation section 170 of the first comparative example, the inner wall section that divides each of the second right hexagonal area 78b and the second left hexagonal area 79b 76a (76) and inner wall portion 76b (76) are omitted. In the embodiment, the flow speed of the resin material increases along the inner wall portions 76a (76) and 76b (76) as compared with the first comparative example, and the flow speed is uniform throughout the ventilation portion 70. It can be seen that the resin material is flowing. As a result, in the embodiment, the occurrence of short shots (molding defects) caused by a decrease in the flow velocity of the resin material in each of the hexagonal regions 78b and 79b is suppressed.

Further, in contrast to the cover 20 according to the embodiment, in the ventilation portion 270 of the second comparative example, a plurality of ventilation portions are formed in the front first outer wall side trapezoidal region 82b on the opposite side of the gate marks G with respect to the center 270a of the ventilation portion 270. A hole 71 is formed. Accordingly, in the second comparative example, the flow of the resin material is impeded by the pins or the like required for forming the ventilation holes 71 . In the embodiment, the flow rate of the resin material in the front first outer wall side trapezoidal region 82b is increased compared to the second comparative example, and the resin material flows at a uniform flow rate throughout the ventilation section 70. It is accepted that there are As a result, in the embodiment, the occurrence of short shots (molding defects) caused by a decrease in the flow velocity of the resin material in the front first outer wall side trapezoidal region 82b is suppressed.

In addition, in the ventilation section 70 of this embodiment, 19 ventilation holes 71 are distributed in each of the hexagonal regions 77, 78a, and 79a, and seven ventilation holes 71 are distributed in each of the trapezoidal regions 74. . With this configuration, a predetermined number of ventilation holes 71 are provided in the ventilation section 70, which is required to ensure desired heat dissipation and to suppress the occurrence of short shots (molding defects). As a result, it is possible to prevent a decrease in heat dissipation due to, for example, an insufficient number of ventilation holes 71 or an occurrence of defective molding due to, for example, an excessive number of ventilation holes 71 .

Further, the second housing 22 of the present embodiment includes a design portion 99 in which a plurality of recesses 98 having the same size as the ventilation holes 71 are formed on the surface 22A on the vehicle interior 2 side. By configuring in this way, the plurality of ventilation holes 71 are provided in accordance with ensuring heat dissipation and suppressing short shots (molding defects). 22A is provided with a plurality of recesses 98 according to aesthetics and appearance design. As a result, for example, regardless of the arrangement of the plurality of hexagonal regions 73, the plurality of trapezoidal regions 74, and the wall portion 72 on the rear surface 22B of the second housing 22, the concave portions 98 are uniformly distributed in a predetermined region. can be provided. Therefore, the exterior design can be improved without impairing the aesthetic appearance of the second housing 22 when viewed from the vehicle interior 2 side.

Modifications of the embodiment will be described below.

(Modification)
In the above-described embodiment, the cover 20 includes the first housing 21 and the second housing 22 formed separately. good too.
In the above-described embodiment, the first housing 21 and the second housing 22 are mechanically joined. may
In the above-described embodiment, the ventilation unit 70 is provided facing the control device 25, but is not limited to this, and may be provided facing other heat source equipment covered by the cover 20. .

In the above-described embodiment, the vehicle lighting device 10 is provided with two external cameras 24, but is not limited to this, and in addition or instead of the two external cameras 24, another detection device You may prepare.
Other detection devices are, for example, radar that detects the distance and direction to a detection target using radio waves such as millimeter waves, or a range sensor that detects the distance to a detection target using light. The range sensor is, for example, LIDAR (Light Detection and Ranging or Laser Imaging Detection and Ranging).
Further, another detection device may be, for example, a camera that detects an occupant or the like in the vehicle interior 2 .

Embodiments of the invention are provided by way of example and are not intended to limit the scope of the invention. These embodiments can be implemented in various other forms, and various omissions, replacements, and modifications can be made without departing from the scope of the invention. These embodiments and their modifications are included in the scope and spirit of the invention, as well as the scope of the invention described in the claims and equivalents thereof.

REFERENCE SIGNS LIST 1 vehicle, 2 vehicle interior, 4 roof lining, 5 front window, 10 vehicle lighting device, 21 first housing, 21A front surface, 21B rear surface, 22 second housing (cover body ), 22A... front surface, 22B... back surface, 23... lamp body, 24... external camera (detection device), 25... control device, 26... cooling fan, 70... ventilation part, 71... ventilation hole (through hole), 72 Wall portion 73 Hexagonal area 74 Trapezoidal area 75 Outer wall 75a, 75b Part 76 Inner wall 77 Central side hexagonal area 78a First right hexagonal area (different row Hexagonal area), 78b... Second right hexagonal area (outer wall side hexagonal area), 79a... First left hexagonal area (different row hexagonal area), 79b... Second left hexagonal area (outer wall side hexagonal area) area), 81... hexagonal inner trapezoidal area, 82... first outer wall side trapezoidal area, 82a... rear first outer wall side trapezoidal area (first outer wall side trapezoidal area), 82b... front first outer wall side trapezoidal area (first outer wall side trapezoidal area) 83... Second outer wall side trapezoidal area 83a... Right second outer wall side trapezoidal area (second outer wall side trapezoidal area) 83b... Left second outer wall side trapezoidal area (second outer wall side trapezoidal area) region), 91... 1st hole row, 92... 2nd hole row, 93... 3rd hole row, 94... 4th hole row, 95... 5th hole row, 96... 6th hole row, 97... 7th hole row 98 recessed portion 99 design portion 101 non-ventilation hole forming region (non-through hole forming region) G gate mark

Claims (8)

A cover that covers a control device that controls a detection device that detects an object outside the vehicle and that is arranged in the interior of the vehicle,
a cover body covering a surface of the control device facing the interior of the vehicle;
a ventilation part provided in the cover main body so as to face the control device in a predetermined direction and having a plurality of through holes penetrating through the cover main body;
with
The ventilation part is
a wall protruding toward the control device;
a plurality of hexagonal regions and a plurality of trapezoidal regions partitioned by the wall and arranged adjacent to each other via the wall;
A cover comprising: and inner wall portions disposed between each of the plurality of hexagonal regions, between each of the plurality of trapezoidal regions, and between the plurality of hexagonal regions and the plurality of trapezoidal regions. ,
an outer wall portion having a hexagonal outer shape provided integrally with the inner wall portion and disposed on the periphery of the ventilation portion;
2. The cover of claim 1, comprising: a. 3. The cover according to claim 2, wherein the outer wall has a projection height higher than that of the inner wall. Among the plurality of hexagonal regions, the hexagonal region arranged adjacent to the outer wall portion is defined as the outer wall side hexagonal region, and the outer wall side hexagonal region is adjacent to the outer wall side hexagonal region in its interior. 4. A cover according to claim 3, comprising two said trapezoidal regions bounded by said inner wall portion arranged parallel to said outer wall portion of one of said outer wall portions. The number of the plurality of hexagonal regions is eight, and the plurality of hexagonal regions arranged in a honeycomb structure are two center-side hexagonal regions adjacent to each other in a predetermined arrangement direction at the center of the ventilation section. , two different-row hexagonal regions adjacent to each of the two center-side hexagonal regions from both sides in the direction orthogonal to the predetermined arrangement direction, and any one of the two center-side hexagonal regions; and four outer wall side hexagonal regions each adjacent to one of the two different row hexagonal regions,
The number of the plurality of trapezoidal regions is 14, and the 14 trapezoidal regions are two first outer walls adjacent to each of the two center-side hexagonal regions from both sides in the predetermined arrangement direction. side trapezoidal regions, eight inner hexagonal trapezoidal regions arranged two by two inside each of the four outer wall side hexagonal regions, and the two different row hexagonal regions from both sides in the direction orthogonal to the predetermined arrangement direction. 5. The cover of claim 4, comprising four second outer trapezoidal areas, two adjacent each of the square areas. The cover body has a gate mark arranged outside the ventilation part,
Of the two first outer wall side trapezoidal regions, the other first outer wall side trapezoidal region having a longer distance from the gate mark than the one of the first outer wall side trapezoidal regions is non-penetrating in which the through hole is not formed. 6. A cover according to claim 5, characterized in that it is a perforated area. Nineteen through-holes are formed in each of the two center-side hexagonal regions and the two different-row hexagonal regions,
Each of the two center-side hexagonal regions and the two different-row hexagonal regions includes a first hole row, a second A row of holes, a third row of holes, a fourth row of holes and a fifth row of holes,
In each of the first hole row and the fifth hole row, three through-holes are arranged in parallel to the opposite sides,
In each of the second hole row and the fourth hole row, four through holes are arranged parallel to the opposite sides,
Five through-holes are arranged in parallel to the opposite sides in the third hole row,
Seven through-holes are formed in each of one of the two first outer wall side trapezoidal regions, the four second outer wall side trapezoidal regions, and the eight inner hexagonal trapezoidal regions. ,
Each of the two first outer-wall-side trapezoidal regions, the four second outer-wall-side trapezoidal regions, and the eight inner-hexagonal trapezoidal regions are arranged between the bases of the trapezoidal regions in a direction orthogonal to the bases. A sixth hole row and a seventh hole row arranged in the
In the sixth hole row, three through-holes are arranged parallel to the base,
In the seventh hole row, four through-holes are arranged parallel to the base,
7. The cover according to claim 5 or 6, characterized in that: 8. The cover body according to any one of claims 1 to 7, further comprising a design portion in which a plurality of recesses having the same diameter as the through hole is formed on the surface of the cover body on the vehicle interior side. cover described in .

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