JP2023044746A - On-vehicle equipment housing - Google Patents

Abstract

To provide an on-vehicle equipment housing that improves the appearance design.SOLUTION: An on-vehicle equipment housing according to an embodiment includes a first case portion and a second case portion. The first case portion includes a first end on which a first mating surface is formed. The second case portion includes a second end formed with a second mating surface facing the first mating surface. The first mating surface includes a first inclined surface that is inclined such that the thickness of the first end portion becomes thinner toward the tip side. The second mating surface includes a second inclined surface that is inclined such that the thickness of the second end portion becomes thinner toward the tip side.SELECTED DRAWING: Figure 3

Description

The present invention relates to a housing for vehicle-mounted equipment.

Conventionally, a drive recorder, for example, is known as an in-vehicle device attached to a vehicle (see Patent Document 1, for example).

Japanese Patent Application Laid-Open No. 2020-080391

The housing of the drive recorder is assembled by aligning the opening of the first case portion and the opening of the second case portion, thereby forming a space for accommodating a substrate and the like inside. Since the exterior design of the housing affects the appearance of the drive recorder, it is desirable that unevenness such as sink marks and spots do not occur.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a housing for in-vehicle equipment that improves the appearance design.

A housing for an in-vehicle device according to an aspect of an embodiment includes a first case portion and a second case portion. The first case portion has a first end on which a first mating surface is formed. The second case part has a second end formed with a second mating surface facing the first mating surface. The first mating surface includes a first inclined surface that is inclined so that the thickness of the first end portion becomes thinner toward the tip side. The second mating surface includes a second inclined surface that is inclined so that the thickness of the second end portion becomes thinner toward the tip side.

According to one aspect of the embodiment, the appearance design can be improved.

FIG. 1 is a side view of the drive recorder according to the embodiment. FIG. 2 is a plan view showing the appearance of the drive recorder. 3 is an enlarged view of the III-III section of FIG. 2. FIG. FIG. 4 is a cross-sectional view showing parts of a lower case portion and an upper case portion of a drive recorder in a comparative example.

Hereinafter, with reference to the attached drawings, a housing for an in-vehicle device according to an embodiment will be described in detail. In the following embodiments, a housing for an on-vehicle device and a housing used for a drive recorder will be described as an example, but the present invention is not limited by the embodiments. The housing of the in-vehicle device may be an ECU housing, a navigation system housing, or the like.

FIG. 1 is a side view of the drive recorder 1 according to the embodiment. 1 and FIGS. 2 to 4, which will be described later, are schematic diagrams.

As shown in FIG. 1, the drive recorder 1 is an in-vehicle device mounted in a vehicle. The drive recorder 1 is attached to the windshield 100 of the vehicle, for example. Specifically, the drive recorder 1 is attached to the windshield 100 by adhering it to the attachment surface 100 a of the windshield 100 via the adhesive portion 50 .

Although FIG. 1 shows an example in which the mounting surface 100a of the windshield 100 is flat, the mounting surface 100a is not limited to this, and may have other shapes such as a curved shape. Further, the mounting portion to which the drive recorder 1 is mounted is not limited to the windshield 100 described above, and may be other types of glass such as a rear glass or door glass of a vehicle. Further, the mounting portion is not limited to the glass portion described above, and can be set at any location according to the type of the drive recorder 1, for example.

The drive recorder 1 will be described in detail below with reference to FIGS. 1 to 3. FIG. FIG. 2 is a plan view showing the appearance of the drive recorder 1. FIG. 3 is an enlarged view of the III-III section of FIG. 2. FIG.

For convenience of understanding, FIGS. 2 and 3 show a three-dimensional orthogonal coordinate system defined by mutually orthogonal X-axis, Y-axis, and Z-axis directions. The orthogonal coordinate system is the X-axis, Y-axis, and Z-axis directions when the drive recorder 1 is in the illustrated state, and does not limit the installation direction, arrangement direction, or the like of the drive recorder 1 . Hereinafter, the positive direction of the Z-axis is defined as "down" and the negative direction of the Z-axis is defined as "upper".

As shown in FIGS. 2 and 3, the drive recorder 1 includes a housing 10 and a camera section 20. As shown in FIG. Various components such as substrates and wiring are accommodated in the space inside the housing 10 .

The housing 10 includes a lower case portion 30 (first case portion) and an upper case portion 40 (second case portion).

The lower case portion 30 is a box-shaped member with an open upper side (Z-axis negative direction). That is, the lower case part 30 has an opening at its upper end. The lower case portion 30 is made of resin. The lower case portion 30 is manufactured by injection molding resin.

A textured surface is formed on the outer wall surface (surface) of the lower case portion 30 . The embossed surface is formed by transferring the embossed surface formed on the molding surface (cavity surface) of the mold.

The lower case portion 30 has a first end portion 31 at its upper end. The first end 31 forms an opening. The first end portions 31 are provided at both ends of the lower case portion 30 in the X-axis direction. Also, the first end portions 31 are provided at both ends of the lower case portion 30 in the Y-axis direction. The first end 31 is provided to protrude upward. A first mating surface 32 is formed on the first end portion 31 . The first mating surface 32 includes a first inclined surface 32a.

The mating surface is a surface where the lower end of the lower case portion 30 and the upper end of the upper case portion 40 face each other when the lower case portion 30 and the upper case portion 40 are assembled. is.

The first inclined surface 32a is inclined so that the thickness of the first end portion 31 becomes thinner toward the tip side (upper side) of the first end portion 31 . For example, the first inclined surface 32a has an inclination angle of 45 degrees. The first inclined surface 32 a is formed so as to be inclined from the base end on the inner wall surface side of the lower case portion 30 toward the tip end on the outer wall surface side of the lower case portion 30 .

Further, the lower case portion 30 includes ribs 33 . Rib 33 is formed to protrude inward from the inner wall surface of lower case portion 30 . The ribs 33 are provided on both inner wall surfaces of the lower case portion 30 in the X-axis direction and on both inner wall surfaces of the lower case portion 30 in the Y-axis direction. A plurality of ribs 33 may be formed on each inner wall surface.

The rib 33 is provided near the upper end of the lower case portion 30 . The rib 33 protrudes inside the second end portion 41 of the upper case portion 40 . The rib 33 is provided such that the upper end of the rib 33 is located above the lower end of the first end portion 31, specifically, the base end of the first inclined surface 32a. A V-shaped gap 34 is formed between the first end portion 31 and the rib 33 in the lower case portion 30 .

The upper case portion 40 is a box-shaped member with an open bottom (positive Z-axis direction) side. That is, the upper case portion 40 has an opening at its lower end. The upper case portion 40, like the lower case portion 30, is made of resin. The upper case portion 40 is manufactured by injection molding resin.

Further, the outer wall surface (surface) of the upper case portion 40 is formed with a textured surface, similarly to the lower case portion 30 . An attachment surface 40 a to which the adhesive portion 50 is attached is formed on the upper surface side of the upper case portion 40 . It should be noted that the mounting surface 40a does not have to be textured.

The upper case portion 40 has a second end portion 41 at its lower end. The second end 41 is formed by an opening. The second end portions 41 are provided at both ends of the upper case portion 40 in the X-axis direction. The second end portions 41 are provided at both ends of the upper case portion 40 in the Y-axis direction. A second mating surface 42 is formed on the second end 41 . The second mating surface 42 includes a second inclined surface 42a. The second mating surface 42 is formed to face the first mating surface 32 of the first end portion 31 of the lower case portion 30 .

The second inclined surface 42 a is inclined so that the thickness of the second end portion 41 becomes thinner toward the distal end side (lower side) of the second end portion 41 . For example, the second inclined surface 42a has an inclination angle of 45 degrees. The second inclined surface 42 a is formed so as to be inclined from the base end on the outer wall surface side of the upper case portion 40 toward the inner tip of the upper case portion 40 . The second inclined surface 42a is provided inside the first inclined surface 32a.

The upper case portion 40 and the lower case portion 30 are assembled with their open portions opposed to each other, thereby forming a space for accommodating a substrate and the like. The second end portion 41 of the upper case portion 40 is inserted into the gap 34 formed between the first end portion 31 and the rib 33 .

The camera unit 20 is a camera that captures images of the surroundings of the vehicle. The camera section 20 is provided so that a part thereof protrudes from the lower case section 30 in the positive direction of the Y axis.

The lower case portion 30 and the upper case portion 40 are manufactured by injection molding. In the drive recorder 210 according to the comparative example which does not have the inclined surfaces 32a and 42a of the embodiment, for example, as shown in FIG. The thickness of the portion 201 changes abruptly. Therefore, in the drive recorder 210 according to the comparative example, due to the difference in shrinkage after injection molding, for example, the outer wall surface (surface) of the first end portion 201 may have unevenness due to sink marks or wrinkled spots. FIG. 4 is a cross-sectional view showing parts of lower case portion 200 and upper case portion 202 of drive recorder 210 in a comparative example.

In the drive recorder 1 according to the embodiment, a first inclined surface 32 a is provided on the first mating surface 32 of the first end portion 31 of the lower case portion 30 . As a result, the thickness of the first end portion 31 gradually becomes thinner toward the tip side (upper side). A second inclined surface 42 a is provided on the second mating surface 42 of the second end portion 41 of the upper case portion 40 . As a result, the thickness of the second end portion 41 becomes gradually thinner toward the distal end side (lower side).

Therefore, for example, at the first end portion 31 of the lower case portion 30, the shrinkage difference after injection molding becomes small. Therefore, unevenness due to sink marks and wrinkle spots are suppressed.

In the case of forming textured surfaces on the outer wall surface of the lower case portion 30 and the outer wall surface of the upper case portion 40, in order to prevent the textured surfaces from being damaged when the outer wall surface of the upper case portion 40 is separated from the mold, the injection molding filling Pressure may be set low.

When the filling pressure is low, in the drive recorder 210 according to the comparative example, for example, it becomes difficult for the resin to fill up to the tip of the first end portion 201 due to the step, and the transfer pressure of the embossed surface at the tip of the first end portion 201 becomes weak. , There is a risk that wrinkle spots may occur.

In the drive recorder 1 according to the embodiment, the first inclined surface 32a is formed at the first end portion 31 of the lower case portion 30, for example. Therefore, the resin can be filled up to the tip of the first end portion 31 at the time of injection molding, and the generation of embossed spots is suppressed.

The lower case portion 30 and the upper case portion 40 are assembled with the first mating surface 32 and the second mating surface 42 facing each other. The first mating surface 32 includes a first inclined surface 32a, and the second mating surface 42 includes a second inclined surface 42a.

The first inclined surfaces 32a are formed at the first end portions 31 at both ends in the Y-axis direction. Also, the second inclined surfaces 42a are formed at the second end portions 41 at both ends in the Y-axis direction. Therefore, the lower case portion 30 and the upper case portion 40 are prevented from being displaced in the positive Y-axis direction and the negative Y-axis direction due to, for example, vibration caused by running of the vehicle on which the drive recorder 1 is mounted. .

Also, the first inclined surfaces 32a are formed at the first end portions 31 at both ends in the X-axis direction. Also, the second inclined surfaces 42a are formed at the second end portions 41 at both ends in the X-axis direction. Therefore, the lower case portion 30 and the upper case portion 40 are prevented from being displaced in the positive X-axis direction and the negative X-axis direction due to, for example, vibration caused by running of the vehicle on which the drive recorder 1 is mounted.

Furthermore, the second end portion 41 of the upper case portion 40 is inserted into the gap 34 between the first end portion 31 of the lower case portion 30 and the rib 33 . Therefore, relative movement between the lower case portion 30 and the upper case portion 40 that may occur due to, for example, vibration due to running of the vehicle in which the drive recorder 1 is mounted is suppressed, and positional deviation in the X-axis direction and the Y-axis direction is suppressed. is suppressed.

Note that the first end portion 31 and the ribs 33 and the second end portion 41 may be provided in reverse. That is, a rib may be provided on the upper case portion, and the first end of the lower case portion may be inserted between the rib and the second end.

A housing 10 of the drive recorder 1 includes a lower case portion 30 and an upper case portion 40 . The lower case part 30 has a first end 31 on which a first mating surface 32 is formed. The upper case portion 40 has a second end portion 41 formed with a second mating surface 42 facing the first mating surface 32 . The first mating surface 32 includes a first inclined surface 32a that is inclined so that the thickness of the first end portion 31 becomes thinner toward the distal end side. The second mating surface 42 includes a second inclined surface 42a that is inclined such that the thickness of the second end portion 41 becomes thinner toward the distal end side.

Thereby, for example, the lower case part 30 can suppress the shrinkage difference in the first end part 31 after injection molding.

Further, for example, the lower case portion 30 can be filled with resin up to the tip of the first end portion 31 during injection molding, suppressing the difference in filling pressure at the first end portion 31 and suppressing the occurrence of wrinkle spots. can do.

In this way, the housing 10 of the drive recorder 1 sinks into the outer wall surface (surface) of the first end portion 31 of the lower case portion 30 and the outer wall surface (surface) of the second end portion 41 of the upper case portion 40. It is possible to suppress the occurrence of unevenness due to Therefore, the housing 10 of the drive recorder 1 can improve the appearance design.

The second inclined surface 42a is located inside the first inclined surface 32a. The lower case portion 30 includes ribs 33 protruding inward from the second end portion 41 .

As a result, the housing 10 of the drive recorder 1 restricts the movement of the second end 41 by the rib 33 and the first end 31, and the movement of the drive recorder 1 caused by the vibration caused by the running of the vehicle on which the drive recorder 1 is mounted, for example, is prevented. It is possible to suppress the deviation between the lower case portion 30 and the upper case portion 40 to be obtained.

A textured surface is formed on the outer wall surface of the lower case portion 30 . A textured surface is formed on the outer wall surface of the upper case portion 40 .

The housing 10 of the drive recorder 1 can suppress the occurrence of grain spots on the grain surface. Therefore, the housing 10 of the drive recorder 1 can improve the appearance design of the lower case portion 30 and the upper case portion 40 on which the textured surfaces are formed.

The housing 10 of the drive recorder 1 according to the modification may have a textured surface on either the outer wall surface (surface) of the lower case portion 30 or the outer wall surface (surface) of the upper case portion 40 .

Further effects and modifications can be easily derived by those skilled in the art. Therefore, the broader aspects of the invention are not limited to the specific details and representative embodiments so shown and described. Accordingly, various changes may be made without departing from the spirit or scope of the general inventive concept defined by the appended claims and equivalents thereof.

1 drive recorder 10 housing 20 camera section 30 lower case section (first case section)
31 First end portion 32 First mating surface 32a First inclined surface 33 Rib 40 Upper case portion (second case portion)
41 Second end 42 Second mating surface 42a Second inclined surface

Claims (3)

a first case portion having a first end on which a first mating surface is formed;
a second case portion having a second end on which a second mating surface facing the first mating surface is formed,
The first mating surface includes a first inclined surface that is inclined so that the thickness of the first end portion becomes thinner toward the tip side,
The housing of an in-vehicle device, wherein the second mating surface includes a second inclined surface that is inclined such that the thickness of the second end portion becomes thinner toward the distal end side. The second inclined surface is located inside the first inclined surface,
2. The housing for vehicle-mounted equipment according to claim 1, wherein said first case portion includes a rib projecting inwardly from said second end portion. 3. The casing for vehicle-mounted equipment according to claim 1, wherein a textured surface is formed on at least one surface of said first case portion and said second case portion.

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