JP7028945B2 - Electronics - Google Patents

Description

The present invention relates to an electronic device in which an electronic circuit board is housed inside a housing.

The following Patent Document 1 discloses a storage case for housing an electronic circuit board.

Japanese Unexamined Patent Publication No. 2001-237557

In the technique described in Patent Document 1, when the electronic circuit board generates heat, the temperature inside the housing (accommodation case) rises, and the housing may be deformed and warped.

The present invention has been made to solve the above problems, and an object of the present invention is to provide an electronic device capable of suppressing deformation of a housing.

A first aspect of the present invention is an electronic device including a housing and an electronic circuit board housed in the housing, which is formed on a surface of the housing facing the electronic circuit board. It has a regulated portion and a regulated portion provided on a surface of the electronic circuit board on the side facing the housing and engaging with the regulated portion.

A second aspect of the present invention is an electronic device including a housing and an electronic circuit board housed in the housing, which is formed on a surface of the housing facing the electronic circuit board. It has a regulated portion made of a magnetic material, and a regulated portion provided on a surface of the electronic circuit board on the side facing the housing and attracting the regulated portion by a magnetic force.

According to the present invention, it is possible to avoid interference between the electronic component and the housing when the electronic circuit board is housed in the housing.

It is an exploded perspective view of CNC. It is an exploded perspective view of CNC. It is a side view of the CNC with the main board housed in a housing. It is a perspective view which shows the main board, a face plate and a protector. It is a figure which shows the method of attaching a protector to a main board and a face plate. 6A and 6B are perspective views of the protector. FIG. 7A is an enlarged view showing a connection portion between the protector and the main board. FIG. 7B is a sectional view taken along line VIIB-line VIIB in FIG. 7A. FIG. 8A is an enlarged view showing a connection portion between the protector and the face plate. FIG. 8B is a sectional view taken along line VIIIB-line VIIIB in FIG. 8A. It is an enlarged view of the regulated part of a protector and the regulated part of a housing. It is a perspective view which shows the main board, a face plate and a protector. It is a figure which shows the method of attaching a protector to a main board. 12A and 12B are perspective views of the protector. 13A and 13B are perspective views of the protector. FIG. 14A is a cross-sectional view taken along the line XIVA-line XIVA in FIG. FIG. 14B is a cross-sectional view taken along the line XIVB-line XIVB in FIG. It is a perspective view which shows the main board, a face plate and a protector. 16A and 16B are perspective views of the protector. 17A and 17B are perspective views of the protector. It is a figure which shows the method of attaching a protector to a main board. It is a perspective view of a protector. It is an enlarged view of the regulated part of a protector and the regulated part of a housing.

[First Embodiment]
[CNC configuration]
1 and 2 are exploded perspective views of CNC10. FIG. 3 is a side view of the CNC 10 in a state where the main board 12 is housed in the housing 14. The CNC 10 is a control device that controls a machine tool, a wire electric discharge machine, and the like, and a plurality of electronic circuit boards 13 on which various electronic components 15 are mounted are inserted in a housing 14. The CNC 10 constitutes the electronic device 11. The housing 14 of the CNC 10 is formed by molding a resin material, and is formed into a substantially rectangular parallelepiped box shape by a plurality of members.

Hereinafter, for the sake of explanation, as shown in FIG. 1, the X-axis, the Y-axis, and the Z-axis are set along the orthogonal sides of the housing 14. Also in the figures after FIG. 1, the X-axis, the Y-axis, and the Z-axis corresponding to the X-axis, the Y-axis, and the Z-axis of FIG. 1 are shown. In FIGS. 1 to 3, only the main board 12, which is one of the plurality of electronic circuit boards 13, is shown for easy viewing.

The main board 12 is a substantially rectangular plate member, and includes an electronic component 15, a plurality of first connectors 16 for connecting an external device (not shown) and a CNC 10, and a back board (not shown) in the housing 14. A plurality of second connectors 18 for connecting to the main board 12 are mounted. A face plate 20 is attached to the side of the main board 12 on the negative side of the Y axis. A plurality of first connectors 16 are mounted side by side in the X-axis direction on the Y-axis negative direction side of the main board 12. The second connectors 18 are mounted side by side in the X-axis direction on the Y-axis positive direction side of the main board 12. Although the electronic circuit boards 13 other than the main board 12 are not shown in FIGS. 1 to 3, the main board 12 has the largest area among the electronic circuit boards 13 housed in the housing 14.

The side surface of the housing 14 on the negative direction side of the Y-axis is entirely open to form the opening 22. The main board 12 is inserted into the housing 14 in the positive direction of the Y axis at a position closer to the negative side of the Z axis of the opening 22, and is housed in the housing 14. The face plate 20 closes the opening 22 of the housing 14 with the main board 12 housed in the housing 14. A plurality of through holes 24 (FIG. 4) penetrating in the Y-axis direction are formed in the face plate 20, and the first connector 16 is exposed to the outside from the through holes 24.

FIG. 4 is a perspective view showing the main board 12, the face plate 20, and the protector 30. FIG. 5 is a diagram showing a method of attaching the protector 30 to the main board 12 and the face plate 20. 6A and 6B are perspective views of the protector 30. FIG. 7A is an enlarged view showing a connection portion between the protector 30 and the main board 12. FIG. 7B is a sectional view taken along line VIIB-line VIIB in FIG. 7A. FIG. 8A is an enlarged view showing a connection portion between the protector 30 and the face plate 20. FIG. 8B is a sectional view taken along line VIIIB-line VIIIB in FIG. 8A. Here, the surface on the Z-axis positive direction side of the main board 12 is the front surface 50, and the surface on the Z-axis negative direction side is the back surface 52. The surface of the housing 14 facing the back surface 52 of the main board 12 is referred to as the inner side surface 26.

A protector 30 is provided on the back surface 52 of the main board 12. The protector 30 is formed as a rod-shaped member extending in the Y-axis direction while being attached to the main board 12. Two protectors 30 are provided so as to be spaced apart from each other in the X-axis direction. The height of the protector 30 in the Z-axis direction is formed higher than the height of the electronic component 15 mounted on the back surface 52 of the main board 12 in the Z-axis direction. Further, the height of the protector 30 in the Z-axis direction is such that the main board 12 to which the protector 30 is attached is housed in the housing 14, and the side surface of the protector 30 on the negative Z-axis direction is the housing 14. It is formed so as to abut on the inner side surface 26 of the.

The protector 30 is the protector 30 rather than the distance between the electronic component 15 mounted on the back surface 52 and the electronic component 15 mounted at the position farthest from the face plate 20 in the Y-axis direction and the face plate 20. It is formed so that the length in the Y-axis direction becomes long.

The inner side surface 26 of the housing 14 may be warped toward the inside of the housing 14 due to the residual stress during molding of the housing 14. When the main board 12 is inserted into the housing 14, the side surface of the protector 30 on the negative Z-axis side moves while abutting against the inner side surface 26 of the housing 14, so that the warp of the inner side surface 26 is planar. Correct it so that it becomes.

As shown in FIG. 5, the protector 30 is attached to the main board 12 from the positive direction side of the Y axis. The end of the protector 30 on the positive Y-axis side is engaged with the main board 12, and the end of the protector 30 on the negative Y-axis side is engaged with the face plate 20. As a result, as shown in FIG. 4, the protector 30 is fixed to the face plate 20 and the main board 12.

As shown in FIGS. 7A and 7B, an engaging portion 32 extending in the positive direction of the Z axis is formed at the end of the protector 30 on the positive side of the Y axis. A groove 34 is formed on the side surface of the engaging portion 32 on the negative direction side of the Y axis. A notch 54, which is partially cut out, is formed on the side of the main board 12 on the positive direction side of the Y axis. A small notch 56 having a width shorter in the X-axis direction than the notch 54 is formed at the end of the notch 54 on the negative direction side of the Y axis. The groove 34 of the protector 30 is inserted into the small notch 56 of the main board 12 in the negative direction of the Y axis, and the groove 34 engages with the small notch 56.

A snap fit 36 is formed at the end of the protector 30 on the negative side of the Y axis. As shown in FIG. 8A, the snap-fit 36 has a first arm portion 38 extending in a substantially Y shape. At the tip of the first arm portion 38, a first hook portion 40 projecting inward is formed. On the side surface of the face plate 20 on the positive direction side of the Y axis, a protruding portion 70 projecting in the positive direction of the Y axis is formed. A constricted portion 72 having a width narrower than that of the other portions is formed at the root portion of the protruding portion 70. By engaging the first hook portion 40 of the protector 30 with the constricted portion 72 formed in the protruding portion 70 of the face plate 20, the movement of the protector 30 with respect to the face plate 20 in the Y-axis direction is restricted.

As shown in FIG. 8B, the crotch portion of the first arm portion 38 of the protector 30 has two extending portions 42 extending in the negative direction of the Y-axis and separated from each other in the Z-axis direction. It is formed. The tip of the protruding portion 70 of the face plate 20 is inserted between the two extending portions 42. As a result, the movement of the Y-axis negative side end portion of the protector 30 in the Z-axis direction is restricted.

As shown in FIGS. 6A and 6B, regulation portions 44 are formed at two locations in the middle portion in the Y-axis direction of the protector 30. The restricting portion 44 is formed so that the width in the X-axis direction is wider than the other portions of the protector 30, and the height in the Z-axis direction is lower than the other portions of the protector 30.

FIG. 9 is an enlarged view of the regulated portion 44 of the protector 30 and the regulated portion 74 of the housing 14. The regulated portion 74 is formed on the inner side surface 26 of the housing 14. When the regulated portion 74 is viewed from the Y-axis direction, the regulated portion 74 is formed at two locations separated in the X-axis direction, and has a vertical wall portion 76 extending in the positive direction of the Z-axis from the inner side surface 26 and a vertical wall. It is composed of a horizontal wall portion 78 extending from the tip of the portion 76 toward the inside of the two vertical wall portions 76. The tips of the two lateral wall portions 78 are provided apart from each other in the X-axis direction.

When the main board 12 is inserted into the housing 14, the regulated portion 44 of the protector 30 is inserted into the regulated portion 74 of the inner side surface 26. At this time, the rod-shaped portion of the protector 30 is inserted between the two side wall portions 78 of the regulated portion 74. The inner side surface 26 of the housing 14 may be warped toward the outside of the housing 14 due to the temperature rise of the housing 14. When the warp of the inner side surface 26 that deforms toward the outside of the housing 14 occurs, the regulated portion 44 of the protector 30 comes into contact with the regulated portion 74, and the warp of the inner side surface 26 is suppressed.

[Action effect]
Since the housing 14 is formed by molding a resin material, a warp that deforms inward may occur on the side surface of the housing 14 due to residual stress during molding. Since the Z-axis negative side portion of the opening 22 of the housing 14 into which the main board 12, which has a larger area than the other electronic circuit boards 13, is inserted, wall portions are provided only at both ends in the X-axis direction. Only both ends of the inner side surface 26 in the X-axis direction are supported by the wall portion. Therefore, in particular, the inner side surface 26 is more likely to be warped inwardly deformed than the side surfaces of the other housing 14. When a warp that deforms inward occurs on the inner side surface 26, the electronic component 15 mounted on the electronic circuit board 13 interferes with the side surface of the housing 14 when the main board 12 is inserted or removed from the housing 14, and the electronic component 15 May be damaged.

Therefore, in the CNC 10 of the present embodiment, the protector 30 is provided on the back surface 52 of the main board 12, and the height of the protector 30 in the Z-axis direction is formed higher than the height of the electronic component 15 mounted on the main board 12. did. Further, the protector 30 is brought into contact with the inner side surface 26 of the housing 14 while the main board 12 is housed in the housing 14. As a result, when the main board 12 is inserted into the housing 14, the protector 30 can correct the warp of the inner side surface 26 deformed inward. Therefore, when the main board 12 is inserted / removed from the housing 14. It is possible to prevent the electronic components 15 mounted on the main board 12 from interfering with the side surfaces of the housing 14.

Further, in the CNC 10 of the present embodiment, the protector 30 is formed in a rod shape extending in the Y-axis direction. As a result, as the main board 12 is inserted into the housing 14, the protector 30 can totally correct the warp of the inner side surface 26 deformed to the inside of the housing 14.

Further, in the CNC 10 of the present embodiment, the protector 30 is the electronic component 15 mounted on the back surface 52 at the position farthest from the face plate 20 in the Y-axis direction, and the face plate. The protector 30 is formed so that the length in the Y-axis direction is longer than the distance from 20. As a result, it is possible to suppress interference between the electronic component 15 mounted on the main board 12 and the housing 14.

Further, in the CNC 10 of the present embodiment, the protector 30 has a regulating portion 44 that engages with a regulated portion 74 formed on the inner side surface 26. When the electronic component 15 generates heat, the temperature inside the housing 14 rises, and the inner side surface 26 may be warped to be deformed to the outside of the housing 14. When the inner side surface 26 is warped, the regulated portion 44 of the protector 30 comes into contact with the regulated portion 74 of the inner side surface 26, and the warp of the inner side surface 26 can be suppressed.

The number of protectors 30 is not limited to two. Further, the position where the protector 30 is arranged on the main board 12 may be appropriately changed. Further, the protector 30 may be attached to another electronic circuit board 13 of the main board 12.

[Second Embodiment]
FIG. 10 is a perspective view showing the main board 12, the face plate 20, and the protector 30. FIG. 11 is a diagram showing a method of attaching the protector 30 to the main board 12. 12A and 12B are perspective views of the protector 30 (first protector 30a). 13A and 13B are perspective views of the protector 30 (second protector 30b). FIG. 14A is a cross-sectional view taken along the line XIVA-line XIVA in FIG. FIG. 14B is a cross-sectional view taken along the line XIVB-line XIVB in FIG.

A protector 30 is provided on the back surface 52 of the main board 12. The protector 30 is formed as a rod-shaped member extending in the X-axis direction while being attached to the main board 12. Three protectors 30 are provided so as to be spaced apart from each other in the Y-axis direction. The height of the protector 30 in the Z-axis direction is formed higher than the height of the electronic component 15 mounted on the back surface 52 of the main board 12 in the Z-axis direction. Further, the height of the protector 30 in the Z-axis direction is such that the main board 12 to which the protector 30 is attached is housed in the housing 14, and the side surface of the protector 30 on the negative Z-axis direction is the housing 14. It is formed so as to abut on the inner side surface 26 of the.

The protector 30 provided on the most positive side of the Y axis is provided so as to be located on the positive side of the Y axis with respect to the electronic component 15 mounted on the positivemost side of the Y axis. When the main board 12 is inserted into the housing 14, the side surface of the protector 30 on the negative Z-axis side moves while abutting against the inner side surface 26 of the housing 14, so that the protector 30 is deformed toward the inside of the housing 14. The warp of the inner side surface 26 is corrected so as to be flat.

As shown in FIG. 11, the protector 30 is attached to the main board 12 from the positive direction side of the X-axis. The end of the protector 30 on the positive side of the X-axis and the end of the protector 30 on the negative direction of the X-axis are engaged with the main board 12, respectively. As a result, as shown in FIG. 10, the protector 30 is fixed to the main board 12.

As shown in FIG. 14A, an engaging portion 32 extending in the positive direction of the Z axis is formed at the end of the protector 30 on the positive direction of the X axis. A groove 34 is formed on the side surface of the engaging portion 32 on the negative direction side of the X-axis. A notch 54, which is partially cut out, is formed on the side of the main board 12 on the positive direction side of the X-axis. A small notch 56 having a width shorter in the Y-axis direction than the notch 54 is formed at the end of the notch 54 on the negative direction side of the X-axis. The small notch 56 is not shown in FIGS. 11 and 12A and 12B, but is the same as the small notch 56 shown in FIG. 5 of the first embodiment, although the positions are different. The shape is formed. The groove 34 of the protector 30 is inserted into the small notch 56 of the main board 12 in the negative direction of the X-axis, and the groove 34 engages with the small notch 56.

A snap fit 46 is formed at the end of the protector 30 on the negative side of the X-axis. As shown in FIG. 14B, the snap fit 46 is formed with a second arm portion 48 extending in the positive direction of the Z axis. At the tip of the second arm portion 48, a second hook portion 58 projecting in the positive direction of the Z axis is formed. With the engaging portion 32 of the protector 30 engaged with the main board 12, the snap-fit 46 portion of the protector 30 is pressed in the positive direction of the Z axis, so that the second hook portion 58 is the surface of the main board 12. Engage with 50.

The protector 30 has two types of first protectors 30a and second protectors 30b having different shapes. Of the three protectors 30 attached to the main board 12, one on the negative side of the Y-axis is the first protector 30a, and the other two are the second protectors 30b.

As shown in FIGS. 12A and 12B, the first protector 30a has regulating portions 44 formed at two locations in the middle portion in the X-axis direction of the first protector 30a. The restricting portion 44 is formed so that the width in the X-axis direction is wider than the other portions of the first protector 30a and the height in the Z-axis direction is lower than the other portions of the protector 30. Similar to the first embodiment, the regulated portion 74 is formed on the inner side surface 26 of the housing 14. When the main board 12 is inserted into the housing 14, the regulated portion 44 of the first protector 30a is inserted into the regulated portion 74 of the inner side surface 26. When the inner side surface 26 that deforms toward the outside of the housing 14 is warped, the regulated portion 44 of the protector 30 comes into contact with the regulated portion 74 to suppress the warp.

As shown in FIGS. 13A and 13B, in the second protector 30b, relief portions 60 having a Z-axis negative side side surface cut out are formed at two locations in the middle portion in the X-axis direction of the second protector 30b. There is. The relief portion 60 avoids interference between the second protector 30b and the regulated portion 74 when the main board 12 is inserted into the housing 14.

[Action effect]
In the CNC 10 of the present embodiment, the protector 30 is provided on the back surface 52 of the main board 12, and the height of the protector 30 in the Z-axis direction is formed higher than the height of the electronic component 15 mounted on the main board 12. Further, the protector 30 is brought into contact with the inner side surface 26 of the housing 14 while the main board 12 is housed in the housing 14. As a result, when the main board 12 is inserted into the housing 14, the protector 30 can correct the warp of the inner side surface 26 deformed inward. Therefore, when the main board 12 is inserted / removed from the housing 14. It is possible to prevent the electronic components 15 mounted on the main board 12 from interfering with the side surfaces of the housing 14.

Further, in the CNC 10 of the present embodiment, the protector 30 is formed in a rod shape extending in the X-axis direction. As a result, the protector 30 can correct the warp of the inner side surface 26 deformed inward over the entire area in the X-axis direction.

The number of protectors 30 is not limited to three. Further, the position where the protector 30 is arranged on the main board 12 may be appropriately changed. Further, the protector 30 may be attached to another electronic circuit board 13 of the main board 12.

[Third Embodiment]
FIG. 15 is a perspective view showing the main board 12, the face plate 20, and the protector 30. 16A and 16B are perspective views of the protector 30 (third protector 30c). 17A and 17B are perspective views of the protector 30 (fourth protector 30d). FIG. 18 is a diagram showing a method of attaching the protector 30 to the main board 12.

Six protectors 30 are provided on the back surface 52 of the main board 12. The height of the protector 30 in the Z-axis direction is formed higher than the height of the electronic component 15 mounted on the back surface 52 of the main board 12 in the Z-axis direction. Further, the height of the protector 30 in the Z-axis direction is such that the main board 12 to which the protector 30 is attached is housed in the housing 14, and the side surface of the protector 30 on the negative Z-axis direction is the housing 14. It is formed so as to abut on the inner side surface 26 of the.

The protector 30 provided on the most positive side of the Y axis is provided so as to be located on the positive side of the Y axis with respect to the electronic component 15 mounted on the positivemost side of the Y axis. When the main board 12 is inserted into the housing 14, the side surface of the protector 30 on the negative Z-axis side moves while abutting against the inner side surface 26 of the housing 14, so that the protector 30 is deformed toward the inside of the housing 14. The warp of the inner side surface 26 is corrected so as to be flat.

The protector 30 has two types of third protectors 30c and fourth protectors 30d having different shapes. Of the six protectors 30 attached to the main board 12, two attached to the negative side of the Y-axis are the third protector 30c, and the other four are the fourth protector 30d.

As shown in FIGS. 16A and 16B, the third protector 30c has a snap fit 61, a small diameter portion 62 and a regulating portion 64. The snap-fit 61 is formed with a third arm portion 66 extending in the positive direction of the Z-axis. At the tip of the third arm portion 66, a third hook portion 68 projecting toward the outer peripheral side is formed.

A small diameter portion 62 is formed on the negative side of the snap fit 61 on the Z axis. Similar to the first embodiment, the regulated portion 74 is formed on the inner side surface 26 of the housing 14. The diameter of the small diameter portion 62 is formed to be smaller than the distance between the two side wall portions 78 of the regulated portion 74 formed on the inner side surface 26 of the housing 14. The diameter of the regulating portion 64 is formed to be larger than the distance between the two side wall portions 78 of the regulated portion 74. When the main board 12 is inserted into the housing 14, the regulated portion 64 of the third protector 30c is inserted into the regulated portion 74 of the inner side surface 26. When the warp of the inner side surface 26 that deforms toward the outside of the housing 14 occurs, the regulated portion 64 of the third protector 30c comes into contact with the regulated portion 74 to suppress the warp.

As shown in FIGS. 17A and 17B, the fourth protector 30d has a snap fit 61 and a cylindrical portion 71. The snap-fit 61 is formed in the same shape as the snap-fit 61 of the third protector 30c. The diameter of the cylindrical portion 71 is formed to be smaller than the distance between the two side wall portions 78 of the regulated portion 74 formed on the inner side surface 26 of the housing 14.

As shown in FIG. 18, the main board 12 is formed with six through holes 73 penetrating in the Z-axis direction. The snap-fit 61 of the third protector 30c and the fourth protector 30d is inserted into each through hole 73, and the third protector 30c and the fourth protector 30d are pressed in the positive direction of the Z axis, whereby the third hook portion 68 is inserted. Is engaged with the surface 50 of the main board 12.

The number of protectors 30 is not limited to six. Further, the protector 30 may be arranged in the vicinity of the electronic component 15 to be protected, and the position where the protector 30 is arranged on the main board 12 may be appropriately changed. Further, the protector 30 may be attached to another electronic circuit board 13 of the main board 12.

[Action effect]
In the CNC 10 of the present embodiment, the protector 30 is provided on the back surface 52 of the main board 12, and the height of the protector 30 in the Z-axis direction is formed higher than the height of the electronic component 15 mounted on the main board 12. Further, the protector 30 is brought into contact with the inner side surface 26 of the housing 14 while the main board 12 is housed in the housing 14. As a result, when the main board 12 is inserted into the housing 14, the protector 30 can correct the warp of the inner side surface 26 deformed inward. Therefore, when the main board 12 is inserted / removed from the housing 14. It is possible to prevent the electronic components 15 mounted on the main board 12 from interfering with the side surfaces of the housing 14.

[Fourth Embodiment]
FIG. 19 is a perspective view of the protector 30. FIG. 20 is an enlarged view of the regulated portion 44 of the protector 30 and the regulated portion 75 of the housing 14.

The shape of the protector 30 itself of the present embodiment is the same as that of the protector 30 of the first embodiment, but a magnet 80 is provided on the side surface of the regulating portion 44 on the negative direction side of the Z axis. Further, in the regulated portion 75 of the present embodiment, a magnet 82 is provided as the regulated portion 75 at a position where the regulated portion 74 is formed on the inner side surface 26 of the housing 14 of the first embodiment. There is.

When the main board 12 is inserted into the housing 14, the magnet 82 of the regulated portion 75 on the inner side surface 26 and the magnet 80 of the regulated portion 44 of the protector 30 attract each other by magnetic force. As a result, the warp of the inner side surface 26 that deforms toward the outside of the housing 14 is suppressed.

[Action effect]
In the CNC 10 of the present embodiment, the regulating portion 64 of the protector 30 is made to attract the regulated portion 75 of the inner side surface 26 of the housing 14 by a magnetic force. As a result, the protector 30 can suppress the warp of the inner side surface 26 which is deformed toward the outside of the housing 14 by the regulating portion 44 adsorbing the regulated portion 75 of the inner side surface 26.

[Technical Thought Obtained from the Embodiment]
The technical ideas that can be grasped from the above embodiments are described below.

An electronic device (11) including a housing (14) and an electronic circuit board (13) housed in the housing, which is formed on a surface of the housing facing the electronic circuit board. It has a regulated portion (74) and a regulated portion (44) provided on the surface of the electronic circuit board on the side facing the housing and engaging with the regulated portion.

An electronic device (11) including a housing (14) and an electronic circuit board (13) housed in the housing, which is formed on a surface of the housing facing the electronic circuit board. It has a regulated portion (75) made of a magnetic material, and a regulated portion (44) provided on a surface of the electronic circuit board on the side facing the housing and attracting the regulated portion by a magnetic force.

11 ... Electronic equipment 13 ... Electronic circuit board 14 ... Housing 15 ... Electronic components 20 ... Face plate 30 ... Protectors 44, 64 ... Regulatory parts 74, 75 ... Restricted parts

Claims (2)

A housing formed by molding a resin material and
The electronic circuit board housed in the housing and
It is an electronic device equipped with
A regulated portion formed on a surface of the housing facing the electronic circuit board and
A regulating portion provided on the surface of the electronic circuit board on the side facing the housing and engaging with the regulated portion to regulate the movement of the regulated portion.
Have,
The regulated part is
Two vertical wall portions erected on the surface of the housing facing the electronic circuit board, and
A horizontal wall portion extending from the tip of each of the two vertical wall portions toward the inside of the two vertical wall portions,
Have,
An electronic device in which a regulated portion is inserted into a regulated portion when the electronic circuit board is inserted into the housing . A housing formed by molding a resin material and
The electronic circuit board housed in the housing and
It is an electronic device equipped with
A regulated portion made of a magnetic material formed on a surface of the housing facing the electronic circuit board,
A regulating unit provided on the surface of the electronic circuit board on the side facing the housing and attracting the regulated portion by a magnetic force to regulate the movement of the regulated portion.
Have an electronic device.

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