Housing mounting structure

Abstract

To absorb dimensional errors and reduce defects during assembly.SOLUTION: In a housing mounting structure, a box-shaped casing having a bottom surface having a rib provided along the periphery and a side surface that is a surface adjacent to the bottom surface is attached to a mounting member having a first plate-shaped unit that is in contact with the rib, and a second plate-shaped unit that is in contact with the first plate-like unit. The first plate-like unit extends in a first direction and a second direction that are orthogonal to each other, and the second plate-like unit extends in a third direction (orthogonal to the first direction and the second direction) and in the first direction. The side surface is provided with a claw and a hole that protrude in the thickness direction of the side surface. The second plate-shaped unit is provided with an insertion hole into which the claw is inserted. The holes are provided on both sides of the claw in the first direction.SELECTED DRAWING: Figure 3

Description

[Technical Field]

[0001] The present invention relates to a mounting structure for a housing. [Background technology]

[0002] Patent Document 1 discloses a housing structure for an electronic device in which the housing main body of the electronic device is made up of a press-formed member formed by pressing a metal plate and an extrusion-formed member formed by extruding aluminum. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2009-302311 Summary of the Invention [Problem to be solved by the invention]

[0004] In Patent Document 1, multiple long holes are provided in the housing, but these long holes are used for heat dissipation and cannot absorb dimensional errors. Also, in Patent Document 1, a dimension adjustment portion is provided in part of the extruded member, which has the external function of filling gaps between parts caused by dimensional errors, but the excess length of the dimension adjustment portion must be cut off depending on the dimensional error, which creates problems with assembly.

[0005] The present invention has been made in view of the above circumstances, and has as its object to provide a mounting structure for a housing that can absorb dimensional errors and reduce defects during assembly. [Means for solving the problem]

[0006] In order to solve the above problem, the mounting structure of a housing according to the present invention is, for example, a mounting structure for a housing for mounting a box-shaped housing to a mounting member, wherein the housing has a bottom surface having ribs arranged along the periphery and a side surface which is a surface adjacent to the bottom surface, the mounting member has a first plate-shaped portion against which the ribs abut and a second plate-shaped portion arranged on the first plate-shaped portion, the side surface is provided with a claw protruding in the thickness direction of the side surface and a hole, the first plate-shaped portion extends along a first direction and a second direction which are perpendicular to each other, the second plate-shaped portion extends along a third direction which is perpendicular to the first direction and the second direction, and the second plate-shaped portion is provided with an insertion hole into which the claw is inserted, the hole being arranged on each side of the claw in the first direction.

[0007] According to the mounting structure for a housing of the present invention, the side surface of the housing has a tab that is inserted into an insertion hole provided in the second plate-shaped portion of the mounting member, and holes provided on both sides of the tab in the first direction. Ribs are provided on the bottom surface of the housing, and the ribs abut against the mounting member, allowing the bottom surface and side surface to deform through the holes, so that the tab can be inserted into the insertion hole even if its height is higher than that of the insertion hole. This makes it possible to absorb dimensional errors and reduce defects during assembly.

[0008] The hole may include a plurality of elongated holes whose longitudinal direction is aligned along the first direction, and the elongated holes may be arranged side by side in the third direction, thereby making it possible to easily deform the side surfaces while maintaining the strength of the side surfaces.

[0009] The claws may be provided near the center of the side surface in the first direction, which allows the claws to be positioned at the part of the side surface where the amount of deformation is greatest, making assembly easier.

[0010] The hole may occupy half or less of the entire side surface in the height direction of the side surface, thereby maintaining the strength of the side surface. [Effects of the Invention]

[0011] According to the present invention, dimensional errors can be absorbed and defects during assembly can be reduced. [Brief explanation of the drawings]

[0012] [Figure 1] 1 is a perspective view showing an outline of an assembly 1 in which a mounting structure for a housing is used. [Figure 2] FIG. 2 is a front view showing an outline of the assembly 1. [Figure 3] 1 is a diagram showing an outline of a state in which a housing 10 is attached to an attachment member 20 by the housing attachment structure. [Figure 4] FIG. 10 is a front view showing an outline of an assembly 1A in which a mounting structure for a housing according to a modified example is used. [Figure 5] FIG. 10 is a front view showing an outline of an assembly 1B in which a mounting structure for a housing according to a modified example is used. [Figure 6] FIG. 1 is a front view showing an outline of an assembly 100 in which a conventional housing mounting structure is used. DETAILED DESCRIPTION OF THE INVENTION

[0013] Hereinafter, an embodiment of a housing mounting structure according to the present invention will be described in detail with reference to the drawings. The present invention relates to a housing mounting structure for mounting a box-shaped housing to a mounting member. Below, the housing mounting structure according to the present invention will be described using an example of a mounting structure for mounting the housing of an electronic device, which has a circuit board and electronic components installed inside, to a sheet metal member that is the mounting member. However, the housing is not limited to an electronic device, and the mounting member is not limited to a sheet metal member.

[0014] Fig. 1 is a perspective view showing an outline of an assembly 1 in which a mounting structure for a housing is used. Fig. 2 is a front view showing an outline of the assembly 1. The assembly 1 mainly comprises a housing 10 and a mounting member 20. The housing 10 is mounted to the mounting member 20 by the mounting structure for the housing.

[0015] Hereinafter, the extension directions of the mounting member 20 are referred to as the x-direction and the y-direction. The direction perpendicular to the x-direction and the y-direction is referred to as the z-direction. The x-direction corresponds to the first direction of the present invention, the y-direction corresponds to the second direction of the present invention, and the z-direction corresponds to the third direction of the present invention.

[0016] Housing 10 is box-shaped and contains a circuit board, electronic components, etc. (not shown). Housing 10 has a bottom surface 11 and four side surfaces 12, 13, 14, and 15. Four side surfaces 12, 13, 14, and 15 are surfaces adjacent to bottom surface 11. In this embodiment, housing 10 is made of resin, but is not limited to resin.

[0017] The housing 10 has an opening 10a on the +z side. The housing 10 may have a lid (not shown) that covers the opening 10a. The bottom surface 11 has ribs 11b provided along the periphery. The ribs 11b protrude in the -z direction.

[0018] The bottom surface 11 and the side surfaces 12, 13, 14, and 15 are plate-shaped. The bottom surface 11 is provided along the x and y directions. The side surfaces 12 and 13 are provided along the x and z directions.

[0019] A claw 12a and holes 12b and 12c are provided on the side surface 12. A claw 13a and holes 13b and 13c are provided on the side surface 13. The side surfaces 12 and 13 have the same configuration.

[0020] Claw 12a protrudes in the y direction (here, the -y direction), which is the thickness direction of side surface 12. Claw 13a protrudes in the y direction (here, the +y direction), which is the thickness direction of side surface 13. Claws 12a and 13a are provided near the centers of side surfaces 12 and 13, respectively, in the x direction.

[0021] Holes 12b and 12c are provided on both sides of claw 12a in the x direction. The hole provided in the -x direction of claw 12a is referred to as hole 12b, and the hole provided in the +x direction of claw 12a is referred to as hole 12c. Similarly, holes 13b and 13c are provided on both sides of claw 13a in the x direction. The hole provided in the -x direction of claw 13a is referred to as hole 13b, and the hole provided in the +x direction of claw 13a is referred to as hole 13c.

[0022] Holes 12b and 12c each have a plurality of elongated holes 12d. Holes 13b and 13c each have a plurality of elongated holes 13d. The elongated holes 12d and 13d have their longitudinal directions aligned along the x-direction and are arranged side by side in the z-direction. In this embodiment, holes 12b and 12c each have five elongated holes 12d, and holes 13b and 13c each have five elongated holes 13d, but the number of elongated holes 12d and 13d is not limited to this. Furthermore, the lengths (lengths in the x-direction and length in the z-direction) and shapes of elongated holes 12d and 13d are not limited to this.

[0023] In addition, in order to maintain the strength of side surfaces 12 and 13, it is desirable that the area occupied by holes 12b and 12c in the height direction (z direction) of side surface 12 is less than half of the entire side surface 12, and that the area occupied by holes 13b and 13c in the height direction of side surface 13 is less than half of the entire side surface 13.

[0024] The mounting member 20 is a sheet metal member formed by cutting, bending, etc. a metal plate. The mounting member 20 has a plate-shaped portion 21 and plate-shaped portions 22 and 23 provided on the plate-shaped portion 21. The plate-shaped portions 21, 22, and 23 are each plate-shaped. The plate-shaped portion 21 has a hole 21a formed therein.

[0025] The plate-shaped portion 21 extends along the x and y directions. The bottom surface 11 of the housing 10 is placed on the plate-shaped portion 21. The bottom surface 11 has ribs 11b, which come into contact with the plate-shaped portion 21.

[0026] The plate-like portions 22 and 23 extend along the x and z directions and are provided with insertion holes 22a and 23a, respectively.

[0027] 3 is a diagram showing an outline of the state in which housing 10 is attached to mounting member 20 by the mounting structure of the housing. When housing 10 is attached to mounting member 20, side surfaces 12 and 13 are arranged along plate-shaped portions 22 and 23, and claws 12a and 13a are inserted into insertion holes 22a and 23a. Although side surface 13 and plate-shaped portion 23 are not visible in FIG. 3, side surface 12 and plate-shaped portion 22 are the same as side surface 13 and plate-shaped portion 23. Therefore, the description will be made using side surface 12 and plate-shaped portion 22.

[0028] Because holes 12b and 12c are provided, side surface 12 can be deformed when claw 12a is inserted into insertion hole 22a. Furthermore, because rib 11b abuts against plate-like portion 21, bottom surface 11 can also be deformed. Therefore, even if height L1 (height from the tip of rib 11b to the upper end of claw 12a, see FIG. 2) is greater than distance L2 (distance between plate-like portion 21 and the upper end of insertion hole 22a), bottom surface 11 and side surface 12 can be deformed, and claw 12a can be inserted into insertion hole 22a.

[0029] 3 shows the case where the deformation amount of the bottom surface 11 and the side surface 12 is the largest. That is, even if the height L1-height L3 is the same as the distance L2, the claw 12a can be inserted into the insertion hole 22a.

[0030] Furthermore, if the height L1 is the same as the distance L2, the bottom surface 11 and the side surface 12 will not be deformed and the claws 12a can be inserted into the insertion holes 22a.

[0031] According to this embodiment, holes 12b, 12c, 13b, and 13c are provided on both sides of claw 12a, thereby absorbing dimensional errors and reducing defects during assembly.

[0032] 6 is a front view showing an outline of assembly 100 using a conventional mounting structure for a housing. In assembly 100, since no hole is provided in side surface 112 of housing 110, if height L4 of claw 112a is greater than distance L2, claw 112a cannot be inserted into insertion hole 22a.

[0033] In contrast, in this embodiment, as shown in Figures 2 and 3, even if the height L1 of the claw 112a is greater than the distance L2, the claw 12a can be inserted into the insertion hole 22a by deforming the bottom surface 11 and the side surfaces 12 and 13 using the holes 12b, 12c, 13b, and 13c.

[0034] Furthermore, according to this embodiment, holes 12b, 12c, 13b, and 13c each have a plurality of elongated holes 12d and 13d whose longitudinal direction is along the x-direction, so that side surfaces 12 and 13 can be easily deformed while maintaining their strength.

[0035] Furthermore, according to this embodiment, the claws 12a and 13a are provided near the centers of the side surfaces 12 and 13 in the x direction, so that the claws 12a and 13a are disposed at the portions where the deformation of the side surfaces 12 and 13 is greatest, thereby improving the ease of assembly.

[0036] In this embodiment, the holes 12b, 12c, 13b, and 13c have a plurality of elongated holes 12d and 13d, respectively, but the shape of the holes is not limited to this.

[0037] 4 is a front view showing an outline of assembly 1A in which a mounting structure for a housing according to a modified example is used. Assembly 1A mainly includes housing 10A and mounting member 20. Housing 10A is mounted to mounting member 20 by the mounting structure for a housing according to the modified example.

[0038] The housing 10A has a plate-shaped bottom surface 11 and side surfaces 12A, 13A, 14, and 15 (side surfaces 13A, 14, and 15 are not visible in FIG. 4). The side surfaces 12A and 13A are provided along the x and z directions. Since the side surfaces 12A and 13A have the same configuration, a description of the side surface 13A will be omitted.

[0039] The side surface 12A is provided with a claw 12a and holes 12e and 12f. The side surfaces 12 and 13 have the same configuration. The holes 12e and 12f are provided on both sides of the claw 12a in the x direction.

[0040] In this modification, holes 12e and 12f are provided on both sides of claw 12a, and by deforming bottom surface 11 and side surface 12A, claw 12a can be inserted into insertion hole 22a even if height L1 of claw 12a is greater than distance L2. In other words, dimensional errors can be absorbed, reducing defects during assembly.

[0041] Furthermore, in this embodiment, the positions of the elongated holes 12d and 13d in the x direction are the same in holes 12b, 12c, 13b, and 13c, but the arrangement of the elongated holes 12d and 13d is not limited to this. It is sufficient that adjacent elongated holes 12d and 13d in the z direction partially overlap. Note that "elongated holes 12d and 13d are arranged side by side in the z direction" includes not only cases where the elongated holes 12d and 13d entirely overlap in the z direction, but also cases where only partial overlap of the elongated holes 12d and 13d in the z direction.

[0042] Furthermore, in this embodiment, the claws 12a and 13a are provided near the centers of the side surfaces 12 and 13 in the x direction, respectively, but the positions of the claws 12a and 13a are not limited to this.

[0043] 5 is a front view showing an outline of assembly 1B using a housing mounting structure according to a modified example. Assembly 1B mainly comprises housing 10B and mounting member 20A. Housing 10B is mounted to mounting member 20A by the housing mounting structure according to the modified example.

[0044] The housing 10B has a plate-shaped bottom surface 11 and side surfaces 12B, 13B, 14, and 15 (side surfaces 13B, 14, and 15 are not visible in FIG. 5). The side surfaces 12B and 13B are provided along the x and z directions. Since the side surfaces 12B and 13B have the same configuration, a description of the side surface 13B will be omitted.

[0045] The side surface 12B is provided with a claw 12a and holes 12g and 12i. The holes 12g and 12i are provided on both sides of the claw 12a in the x direction. Because the claw 12a is not provided at the center of the side surface 12B in the x direction but is closer to the +x side than the center, the length in the x direction of the hole 12g provided on the -x side of the claw 12a is longer than the length in the x direction of the hole 12i provided on the +x side of the claw 12a.

[0046] Since the area where holes 12g are provided is large, holes 12g have multiple elongated holes 12h provided along the z direction. Also, since the area where holes 12i are provided is narrow and difficult to deform, the size of holes 12i in the z direction is made large.

[0047] Mounting member 20A has plate-shaped portion 21A and plate-shaped portions 22A and 23A (not visible in FIG. 5) provided on plate-shaped portion 21A. Mounting member 20A differs from mounting member 20 only in the positions of plate-shaped portions 22A and 23A relative to plate-shaped portion 21A.

[0048] In this modification, holes 12g and 12i are provided on both sides of the claw 12a, and the bottom surface 11 and side surface 12A are deformed, so that the claw 12a can be inserted into the insertion hole 22a even if the height L1 of the claw 12a is greater than the distance L2. In other words, dimensional errors can be absorbed, and defects during assembly can be reduced.

[0049] In the present embodiment, the area occupied by holes 12b and 12c is half or less of the entire side surface 12, and the area occupied by holes 13b and 13c in the height direction of side surface 13 is half or less of the entire side surface 13, but the area occupied by the holes is not limited to this. For example, the area occupied by hole 12i (see FIG. 5) may be about two-thirds of the entire side surface 13.

[0050] In addition, in the present embodiment, the mounting structure for the housing is provided on the two opposing side surfaces 12, 13 of the housing 10 and on the plate-like portions 22, 23 provided at positions corresponding to the side surfaces 12, 13, but the positions and number of the mounting structures for the housing are not limited to this. For example, it is also possible to provide tabs and holes on the three side surfaces 12, 13, 14, and have the mounting member 20 have plate-like portions corresponding to these.

[0051] Although the embodiments of the present invention have been described above in detail with reference to the drawings, the specific configuration is not limited to these embodiments, and the present invention also includes design modifications and the like within the scope of the gist of the present invention. Those skilled in the art will be able to modify, add, convert, etc., each element of the embodiments as appropriate.

[0052] Furthermore, in the present invention, the term "substantially" is a concept that includes not only cases where the two are strictly identical, but also errors or deformations to the extent that the identity is not lost. For example, "orthogonal" is not limited to cases where the two are strictly orthogonal, but also includes cases where there is an error of several degrees from the orthogonal direction. Furthermore, for example, when simply expressing "orthogonal," "parallel," etc., it includes not only cases where the two are strictly orthogonal or parallel, but also cases where the two are approximately orthogonal or approximately parallel. Furthermore, in the present invention, "nearby" means including a certain range (which can be arbitrarily determined) near a reference position. For example, when referring to the vicinity of A, it is a concept that indicates a certain range near A, which may or may not include A. [Explanation of symbols]

[0053] 1, 1A, 1B: Assembly 10, 10A, 10B: Housing 10a: opening 11: Bottom 11b: Rib 12, 12A, 12B, 13, 13A, 13B, 14, 15: Side 12a, 13a: Claws 12b, 12c, 12e, 12f, 12g, 12i, 13b, 13c: Hole 12d, 12h, 13d: Long hole 20, 20A: Mounting parts 21, 21A, 22, 22A, 23, 23A: Plate-shaped parts 21a: hole 22a, 23a: Insertion holes 100: Assembly 110: Housing 112: Side 112a: Claw

Claims

1. A mounting structure for a housing that mounts a box-shaped housing to a mounting member, The housing has a bottom surface having a rib provided along a periphery thereof and a surface adjacent to the bottom surface. and The mounting member includes a first plate-shaped portion with which the rib abuts, and a first plate-shaped portion provided on the first plate-shaped portion. and a second plate-shaped portion having a plate-like shape, The side surface is provided with a claw protruding in a thickness direction of the side surface and a hole, The first plate-shaped portion extends along a first direction and a second direction that are perpendicular to each other, The second plate-shaped portion is oriented in a third direction perpendicular to the first direction and the second direction, and in a direction perpendicular to the first direction. It is extended along the direction of The second plate-shaped portion is provided with an insertion hole into which the claw is inserted, the holes are provided on both sides of the claw in the first direction, and include a plurality of elongated holes whose longitudinal direction is along the first direction; The long holes are arranged side by side in the third direction. A mounting structure for a housing.

2. The claw is provided near the center of the side surface in the first direction.

2. The mounting structure for a housing according to claim 1.

3. In the height direction of the side surface, the area occupied by the holes is half or less of the entire side surface.

3. The mounting structure for a housing according to claim 1 or 2.

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