Electronic apparatus

Abstract

To provide a technique for increasing the possibility of guiding a terminal to a circuit board in a state where a member for guiding the terminal is preciously positioned.SOLUTION: An electric apparatus includes: a housing for housing an electronic component; a circuit board including a drive circuit for the electronic component; and an intervening member interposed between the housing and the circuit board. The housing includes: a first terminal hole for exposing a terminal extending from inside to outside of the housing to the exterior; and a first fixing hole for fastening and fixing the circuit board and the intervening member. The intervening member includes: an insertion part including a second terminal hole through which the terminal passes and inserted into the first terminal hole in a state where the terminal is inserted into the second terminal hole; and a second fixing hole for fastening and fixing the intervening member to the circuit board. The circuit board having a connection part for the terminal and a third fixing hole for fastening and fixing the housing and the intervening member to the circuit board.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to an electronic device.

Background Art

[0002] Conventionally, a configuration is known in which a terminal extending from the inside to the outside of a housing is electrically connected to a substrate, and an electronic component in the housing is controlled by a circuit on the substrate. For example, Patent Document 1 discloses a configuration in which a holder unit 50 for attaching an electronic substrate 30 to an opening of a housing 4 is attached (Patent Document 1, paragraph 0028). In this configuration, a tapered passage portion 57 is formed in the holder unit 50, and it is disclosed that one end of a coil wire 20 is smoothly guided to a through hole 34 formed in the electronic substrate 30 (Patent Document 1, paragraphs 0069 and 0070).

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In the conventional technology, although the terminal is configured to be guided by a tapered shape, a configuration for accurately positioning the holder unit 50 with respect to the housing 4 is not disclosed. For this reason, when the holder unit 50 is displaced with respect to the housing 4, it may be difficult to accurately guide one end of the coil wire 20 with respect to the electronic substrate 30.

[0005] The present invention has been made in view of the above problems, and an object thereof is to provide a technology capable of increasing the possibility of guiding a terminal to a substrate in a state where a member for guiding the terminal is accurately positioned.

Means for Solving the Problems

[0006] To achieve the above object, an electronic device includes a housing in which electronic components are housed, a substrate provided with a drive circuit for the electronic components, and an intervening member interposed between the housing and the substrate. The housing includes a first terminal hole for exposing a terminal of the electronic component that extends from the inside to the outside of the housing to the outside of the housing, and a first fastening hole for fastening and fixing the substrate and the intervening member. The intervening member includes a second terminal hole through which the terminal is inserted, and an insertion portion that is inserted into the first terminal hole with the terminal inserted through the second terminal hole, and a second fastening hole for fastening and fixing the intervening member to the housing. The substrate includes a connection portion to which the terminal is electrically connected, and a third fastening hole for fastening and fixing the substrate to the housing and the intervening member.

[0007] That is, in a configuration in which an intervening member is interposed between the housing and the substrate, the intervening member can be positioned with respect to the housing by inserting the insertion portion into the first terminal hole of the housing. Then, by inserting the terminal through the second terminal hole formed in the intervening member, it is possible to guide the terminal from the inside of the housing to the connection portion of the substrate. Therefore, the terminal can be guided to the connection portion of the substrate in a state where the intervening member is positioned with respect to the housing. For this reason, the possibility of guiding the terminal to the substrate can be increased in a state where the member guiding the terminal is accurately positioned.

Brief Description of the Drawings

[0008]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Embodiments for Carrying Out the Invention

[0009] Here, embodiments of the present invention will be described in the following order. (1) Configuration of the electronic device: (2) Other embodiments, etc.:

[0010] (1) Configuration of the electronic device: FIG. 1 is an exploded perspective view of an electronic device 1 according to an embodiment of the invention, showing the housing 10, the intervening member 20, and the substrate 30 that constitute the electronic device 1 in a state where they are not fastened. That is, the substrate 30 and the intervening member 20 are fastened to the housing 10 by screws 31, but in FIG. 1, each component is shown in a state where the screws 31 are removed. Note that FIG. 2 shows a part of FIG. 1 with a part of the substrate 30 and the like omitted. In the present embodiment, the housing 10 is made of metal, and the intervening member 20 is made of resin. The substrate 30 is constituted by mounting a drive circuit of a motor on a resin board.

[0011] The electronic device 1 includes a motor (not shown) as an electronic component, and is a water pump that causes a liquid to flow by rotating an impeller (not shown) by the motor. In FIG. 1, a part of the housing 10 is omitted and shown in a cut state. In this specification, the direction parallel to the insertion direction of the screw 31 is defined as the Z-axis direction, and an X-axis perpendicular to the Z-axis, a Z-axis, and a Y-axis perpendicular to the X-axis and the Z-axis are set for the description.

[0012] In this embodiment, the housing 10 is a member that houses a motor (not shown), and a flow path for a liquid (not shown) that flows due to the function of the water pump is formed. In the housing 10, a recess 12 for attaching the substrate 30 is formed at one end in the Z-axis direction. The recess 12 has a circular shape in a plane perpendicular to the Z-axis direction, and the wall surface formed by the circular portion forms the inner wall 12a of the recess 12. The inner wall 12a is formed over a certain length in the Z-axis direction. The recess 12 opens on one side in the Z-axis direction, and a bottom portion 12b is formed on the other side. Since the inner diameter of the circle formed by the inner wall 12a is larger than the outer diameter of the substrate 30, the substrate 30 can be accommodated in the recess 12. It communicates with the upper ECU through the connector 11 and receives power supply.

[0013] At the bottom portion 12b, there are a plurality of portions with different depths (lengths in the Z-axis direction). That is, at the bottom portion 12b, the central side of the circle formed by the inner wall 12a is slightly higher than the outer peripheral side of the circle. The outer peripheral side of the circle is slightly deeper over the entire circumference of the circle, and the intervening member 20 is disposed in the deepened annular portion. At the bottom portion 12b, a first terminal hole 13 and a first fastening hole 14 are formed in the deepened annular portion. In this embodiment, the first terminal holes 13 are formed at three locations on the bottom portion 12b. The first terminal hole 13 is a hole having a circular opening. The first terminal hole 13 is formed by the circular portion that opens at the bottom portion 12b extending in the Z-axis direction and penetrating into the accommodation space of the motor inside the housing 10 from the outside. Thus, the first terminal hole 13 is a cylindrical cavity extending in the Z-axis direction, but a part thereof, for example, at the opening in the bottom portion 12b, a part of the inner wall of the first terminal hole 13 may have a shape different from a circle.

[0014] The first terminal hole 13 is a hole for exposing the terminal 15 of the motor extending from the inside to the outside of the housing 10 to the outside of the housing 10. That is, the motor (not shown) is a motor having a plurality of teeth and controlling the magnetic field by coils wound around each tooth to rotate the rotor. The terminal 15 is electrically connected to the coil, and a total of six terminals 15 are led from the inside to the outside of the housing 10 and electrically connected to the connection portion on the substrate 30. In the present embodiment, a total of six terminals 15 are exposed to the outside from the inside of the housing 10, but in FIG. 1, only a part of them is shown with reference numerals.

[0015] Furthermore, a first fastening hole 14 is formed in the bottom portion 12b formed in the recess 12 of the housing 10. In the present embodiment, the first fastening holes 14 are formed at five positions in the bottom portion 12b. The first fastening hole 14 is a hole having a circular opening, and is a threaded hole in which a groove meshing with the screw 31 is formed, but may be a straight tapping hole. The first fastening hole 14 is configured by forming a groove into which the screw 31 can be inserted and fastened in the Z-axis direction from the circular opening in the bottom portion 12b. The first fastening hole 14 is a hole for fastening and fixing the substrate 30 and the intervening member 20. That is, with the intervening member 20 placed on the bottom portion 12b and the substrate 30 placed on the intervening member 20, the screw 31 is fastened, and when the screw 31 reaches the first fastening hole 14, the substrate 30 and the intervening member 20 are fastened and fixed to the housing 10.

[0016] In FIG. 2, the housing 10 and the intervening member 20 are shown with the substrate 30 removed from FIG. 1. In FIGS. 3A and 3B, the intervening member 20 is extracted and shown in a perspective view. FIG. 3A is a perspective view of the intervening member 20 when viewed from the same direction as in FIG. 2, and FIG. 3B is a perspective view of the intervening member 20 shown in FIG. 3A with the top and bottom and left and right reversed.

[0017] In FIG. 3A, an axis Ax is defined in a direction parallel to the Z-axis direction, and a center point O is defined at a point on the axis Ax. Here, the direction along the circumference of a circle formed around the axis Ax with the center point O as the center is called the circumferential direction, and the direction perpendicular to the axis Ax is called the radial direction. As shown in FIGS. 3A and 3B, the intervening member 20 has a shape in which a part of the circumference is removed in an annular shape, that is, a substantially C-shaped shape. Specifically, the general shape of the intervening member 20 is a shape that includes the center point O and, when a virtual annular member is considered in a plane perpendicular to the axis Ax, a part corresponding to a part of the arc of the circle is interrupted. In the intervening member 20, the part where the circumference of the circular ring is interrupted extends over a range of an angle α around the axis Ax. In the present embodiment, the angle α is about 90 degrees, but of course, the angle α is not limited.

[0018] In the intervening member 20 according to the present embodiment, a total of five second fastening holes 22 are formed at different positions in the circumferential direction in the virtual annular shape. The second fastening hole 22 is a hole having a circular opening (however, there may be a second fastening hole 22a in a state where a part of the circumference of the circle is not connected). The second fastening hole 22 is a hole that penetrates in the thickness direction (Z-axis direction) of the intervening member 20. A groove that meshes with the screw 31 may or may not be formed on the inner wall of the second fastening hole 22.

[0019] The second fastening hole 22 is a hole for fastening and fixing the intervening member 20 to the housing 10 in a state where the intervening member 20 is interposed between the substrate 30 and the housing 10. Therefore, the second fastening hole 22 is formed at a position corresponding to the first fastening hole 14 formed in the housing 10, that is, at a position where the screw 31 can be inserted through the second fastening hole 22 and the first fastening hole 14.

[0020] Also, the inner diameter of the second fastening hole 22 is slightly larger than the outer diameter of the screw 31. Therefore, with the intervening member 20 placed on the bottom portion 12b and the substrate 30 placed on the intervening member 20, the screw 31 can be inserted through the second fastening hole 22, and the tip of the screw 31 can reach the first fastening hole 14. Then, with the substrate 30 placed on the intervening member 20, when the screw 31 is fastened to the first fastening hole 14, the substrate 30 and the intervening member 20 are fastened and fixed to the housing 10.

[0021] Furthermore, an insertion portion 21 is formed on the intervening member 20. One insertion portion 21 is formed at approximately the center in the circumferential direction of the intervening member 20, and one insertion portion 21 is formed at a position sandwiching the insertion portion 21 at the approximate center, for a total of three insertion portions 21 formed. In the intervening member 20, the portion where the insertion portion 21 is formed extends over a range of an angle β around the axis Ax. In the present embodiment, the angle β is approximately 80 degrees, but of course, the angle β is not limited.

[0022] FIG. 4 is a view showing one of the insertion portions 21 extracted from FIG. 3B and enlarged. The insertion portion 21 is a cylindrical portion. The axis of the cylindrical portion is parallel to the Z-axis direction (axis Ax direction). Also, each of the three insertion portions 21 is formed at a position corresponding to the first terminal hole 13. Furthermore, in each of the insertion portions 21, the diameter of the circle obtained when cutting in a direction perpendicular to the Z-axis direction is smaller than the diameter of the first terminal hole 13. For this reason, in a state where the screw 31 is inserted through the second fastening hole 22 and the intervening member 20 is fastened and fixed to the housing 10, each of the three insertion portions 21 is inserted into the first terminal hole 13 formed in the housing 10.

[0023] Furthermore, the insertion portion 21 includes a second terminal hole 21a through which a terminal 15 extending from inside the housing 10 is inserted. Two second terminal holes 21a are formed for each of the insertion portions 21. From each of the first terminal holes 13, two terminals 15 inside the housing 10 are led to the outside, and the second terminal hole 21a is a hole through which each of these two terminals 15 can be inserted.

[0024] The second terminal hole 21a is a hole extending in the Z-axis direction (axis Ax direction), and a tapered shape is formed at the end on the housing 10 side. The position of the second terminal hole 21a is adjusted so that the position of the terminal 15 is determined to be an appropriate position when the insertion portion 21 is inserted into the first terminal hole 13 with the terminal 15 inserted into each of the second terminal holes 21a. That is, the position of the second terminal hole 21a is adjusted so that a connection portion to which the terminal 15 is to be connected on the substrate 30 is arranged at the tip where the terminal 15 extends from the insertion portion 21 inserted into the first terminal hole 13 toward the substrate 30 side.

[0025] And in the second terminal hole 21a, a tapered shape is formed so that the diameter becomes smaller in the insertion direction of the terminal 15 from the insertion start end of the terminal 15. That is, when inserting the terminal 15 into the insertion portion 21, the opening where the tip of the terminal 15 is first inserted into the second terminal hole 21a has a larger opening diameter than the opposite end. And the inner diameter of the second terminal hole 21a gradually becomes smaller along the axial direction and eventually becomes a constant diameter. At the end opposite to the end where the tapered shape is formed, the hole is formed in a cylindrical shape. The inner diameter of the cylindrical portion is slightly larger than the outer diameter of the terminal 15. Therefore, the terminal 15 is positioned by inserting the terminal 15 into the cylindrical portion.

[0026] Furthermore, since a tapered shape is formed at the end on the housing 10 side of the second terminal hole 21a, when inserting the insertion portion 21 into the first terminal hole 13, the tip of the terminal 15 can be easily guided into the second terminal hole 21a. FIGS. 5A and 5B are cross-sectional views showing a state in which the insertion portion 21 existing at the center in the circumferential direction of the intervening member 20 and the surrounding housing 10 are cut in directions parallel to the Z-axis direction and the Y-axis direction. Note that FIG. 5A shows a state before inserting the insertion portion 21 into the first terminal hole 13, and FIG. 5B shows a state after inserting the insertion portion 21 into the first terminal hole 13.

[0027] When inserting the insertion part 21 into the first terminal hole 13, the intervening member 20 is arranged at a position corresponding to the first terminal hole 13, that is, at a position where the insertion part 21 is inserted into the first terminal hole 13 when the two are brought closer in the Z-axis direction. In this state, when the intervening member 20 is moved in the Z-axis direction and brought closer to the first terminal hole 13, the insertion part 21 is inserted into the first terminal hole 13. In this process, the tapered shape of the second terminal hole 21a approaches the terminal 15.

[0028] The diameter of the opening of the second terminal hole 21a on the housing 10 side is the largest due to its tapered shape. In this embodiment, even if the position of the terminal 15 is displaced in a direction perpendicular to the Z-axis direction due to assembly errors or the like, it is included within the range of the opening of the second terminal hole 21a. For this reason, when the intervening member 20 is further moved in the Z-axis direction, the tip of the terminal 15 contacts the inner wall of the taper. When the intervening member 20 is moved in the Z-axis direction in this state, due to the tapered shape, as shown in FIG. 5A, the terminal 15 is guided to the cylindrical portion in the second terminal hole 21a. In this state, when the intervening member 20 is further moved in the Z-axis direction, the terminal 15 penetrates the insertion part 21, and as shown in FIG. 5A, the terminal 15 is arranged at a position where it can connect to the connection part of the substrate 30.

[0029] As described above, in this embodiment, the positioning of the terminal 15 is performed by inserting the terminal 15 into the second terminal hole 21a. Therefore, if the structure allows the position of the insertion part 21 to vary, the position of the terminal 15 may also vary. Thus, in this embodiment, the insertion part 21 is configured to be accurately positioned within the first terminal hole 13. Specifically, in a direction perpendicular to the insertion direction of the insertion part 21 with respect to the first terminal hole, the inner diameter of the first terminal hole 13 is larger than the outer diameter of the insertion part 21, and the outer periphery of the insertion part 21 is provided with a protruding part 23 that protrudes outward in the radial direction of the insertion part and contacts the inner wall of the first terminal hole 13.

[0030] Figure 4 shows the protruding portion 23. In the present embodiment, the length L1 of the protruding portion 23 in the Z-axis direction is smaller than the length L2 of the insertion portion 21 in the Z-axis direction, and in the present embodiment, it is about half the length. Therefore, when starting to insert the insertion portion 21 into the first terminal hole 13, the protruding portion 23 does not contact the opening of the first terminal hole 13, and the insertion portion 21 can be smoothly inserted into the first terminal hole 13. Also, when considering that the shape of the cross-section formed when the insertion portion 21 is cut in a direction perpendicular to the Z-axis direction is circular, the protruding portion 23 protrudes outward in the radial direction, which is a direction from the center of the circle toward the outer periphery. When defining the circumferential direction of the circle as the circumferential direction, the length of the protruding portion 23 in the circumferential direction is not limited, but for example, it can be several millimeters long.

[0031] Figure 6 is a view showing a state in which the insertion portion 21 is viewed from the second terminal hole 21a side along the Z-axis direction. As shown in Figure 6, the insertion portion 21 has a circular outer shape in a direction perpendicular to the Z-axis direction, and the protruding portions 23 are formed at three locations on the outer periphery of the circle. In the present embodiment, the protruding portions 23 are formed at positions separated by an equal distance in the circumferential direction. That is, the angle δ between the radii R extending from the center C of the circle constituting the outer shape of the insertion portion 21 to each of the protruding portions 23 is 120° for all three protruding portions 23, but it may also be other than 120°.

[0032] Furthermore, in the radial direction, the distance from the center C of the above-mentioned circle to the tip of the protruding portion 23 is slightly larger than the radius of the circle formed by the first terminal hole 13 in a direction perpendicular to the Z-axis direction. Therefore, according to the above configuration, in the process of inserting the insertion portion 21 into the first terminal hole 13, the three protruding portions 23 are press-fitted while contacting the inner wall of the first terminal hole 13. For this reason, there is extremely little room for the position of the insertion portion 21 to fluctuate within the first terminal hole 13, and by inserting the insertion portion 21 into the first terminal hole 13, the position of the insertion portion 21 can be accurately positioned.

[0033] Furthermore, since the protruding portions 23 are evenly arranged in the circumferential direction, the insertion portion 21 is positioned such that the center of the circle formed by the first terminal hole 13 in the direction perpendicular to the Z-axis and the center of the circle formed by the insertion portion 21 in the direction perpendicular to the Z-axis coincide. As a result, the insertion portion 21 is accurately positioned. And, when the insertion portion 21 is accurately positioned, the terminal 15 positioned by the insertion portion 21 is also accurately positioned.

[0034] The protruding portions 23 may be formed on all of the three insertion portions 21, or may be formed on a part of the three insertion portions 21. In the present embodiment, the insertion portion 21 existing at the center of the intervening member 20 does not have the protruding portion 23 formed thereon, and the protruding portions 23 are formed on each of the two insertion portions 21 sandwiching the insertion portion 21 existing at the center. That is, the intervening member 20 is molded so that the relative positions of each of the three insertion portions 21 are in the positional relationship as designed in advance.

[0035] Therefore, when each of the two insertion portions 21 sandwiching the insertion portion 21 existing at the center in the circumferential direction is accurately positioned by the protruding portion 23, the positional relationship of the three insertion portions 21 becomes the positional relationship as designed, so that the insertion portion 21 existing at the center is also accurately positioned. According to such a configuration, compared with the configuration in which the protruding portions 23 are formed on all of the insertion portions 21, the material of the protruding portions 23 can be saved.

[0036] Of course, the above configuration is an example, and the insertion portion 21 on which the protruding portion 23 is formed may have a configuration different from the insertion portion 21 in the present embodiment. For example, in a configuration in which the intervening member 20 includes three or more insertion portions 21, the protruding portions 23 may be formed on any two insertion portions 21. Also, the protruding portions 23 may be formed on all of the insertion portions 21.

[0037] Returning to FIG. 1, the description will be continued. On the substrate 30, a drive circuit of the motor is provided on the surface opposite to the surface in contact with the intervening member 20. Further, the substrate 30 is provided with a through hole 32 which is a connection portion to which the terminal 15 is electrically connected. That is, in the present embodiment, the terminal 15 is inserted into the through hole 32 and soldered using pads existing around the through hole 32, thereby being electrically connected to the drive circuit.

[0038] Furthermore, the substrate 30 is formed with a third fastening hole 33 for fastening and fixing the substrate 30 to the housing 10 and the intervening member 20.

[0039] The third fastening hole 33 is a hole having a circular opening (however, a third fastening hole 33a in a state where a part of the circumference of the circle is not connected may exist). The third fastening hole 33 is a hole penetrating in the thickness direction (Z-axis direction) of the intervening member 20. A groove meshing with the screw 31 may or may not be formed on the inner wall of the third fastening hole 33.

[0040] The third fastening hole 33 is a hole for fastening and fixing the intervening member 20 to the housing 10 with the intervening member 20 interposed between the substrate 30 and the housing 10. Therefore, the third fastening hole 33 is formed at a position corresponding to the first fastening hole 14 formed in the housing 10, that is, at a position where the screw 31 can be inserted through the third fastening hole 33 and the first fastening hole 14.

[0041] Also, the inner diameter of the third fastening hole 33 is slightly larger than the outer diameter of the screw 31. Therefore, with the intervening member 20 placed on the bottom 12b and the substrate 30 placed on the intervening member 20, the screw 31 can be inserted into the third fastening hole 33 and the tip of the screw 31 can reach the first fastening hole 14. Then, with the substrate 30 placed on the intervening member 20, the screw 31 is fastened to the first fastening hole 14, whereby the substrate 30 and the intervening member 20 are fastened and fixed to the housing 10.

[0042] In the present embodiment as described above, the insertion portion 21 can be accurately positioned within the first terminal hole 13, and the terminal 15 can be accurately positioned by the second terminal hole 21a formed in the insertion portion 21. Therefore, it is possible to increase the possibility of guiding the terminal 15 to the substrate 30 in a state where the insertion portion 21, which is a member for guiding the terminal 15, is accurately positioned.

[0043] (2) Other embodiments, etc.: The above embodiment is an example for implementing the present invention, and various other embodiments can also be adopted. For example, the intervening member 20 has a C-shaped configuration, but it may be configured by other shapes, for example, a curve that is not an arc, or a shape combined with a straight line (such as a shape in which a part of the side of a polygon is removed). Further, the positions, shapes, numbers, etc. of the fastening holes and the insertion portions are not limited to those in the above-described embodiment. For example, the outer shape of the insertion portion in the direction perpendicular to the Z-axis direction is not limited to a circular shape, and may be a polygon or the like. Furthermore, the intervening member 20 may be an annular member, or may not be a shape in which a part of the ring is removed.

[0044] The housing only needs to be able to accommodate electronic components inside. That is, it only needs to be possible to accommodate electronic components that operate by a circuit on the substrate inside the housing. The electronic components are not limited to the motor as in the above-described embodiment, and may be various components. The housing only needs to be a component that accommodates electronic components, and as long as it has at least the first terminal hole and the first fastening hole, the shape and material are not limited.

[0045] The first terminal hole is a hole that exposes the terminal of an electronic component extending from the inside to the outside of the housing, and is also a hole into which the insertion part is inserted. That is, the first terminal hole only needs to be able to expose the terminal of the electronic component, and the number and shape are not limited. However, in order to position the intervening member with respect to the housing, it is preferable that a plurality of first terminal holes are formed. The shape is not limited to a configuration that is substantially circular in a direction perpendicular to the insertion direction of the insertion part, and may be a polygon or the like. Of course, various shapes are possible, such as a part of the inner wall of the first terminal hole being notched. The first fastening hole only needs to be a hole for fastening and fixing the intervening member to the housing, and the number and position are not limited.

[0046] The intervening member only needs to be a member intervening between the housing and the substrate. That is, the substrate is fixed to the housing with the intervening member existing between the substrate and the housing. The shape, size, etc. of the intervening member are not limited, but it has at least an insertion part and a second fastening hole.

[0047] The insertion part only needs to be configured to have a second terminal hole through which the terminal is inserted and to be inserted into the first terminal hole with the terminal inserted through the second terminal hole. That is, the insertion part only needs to be configured to fit into the first terminal hole when inserted into the first terminal hole and to be positioned by not moving when inserted into the first terminal hole.

[0048] The second terminal hole is a hole through which a terminal extending from the inside of the housing is inserted, and the terminal may be positioned by passing through the second terminal hole. That is, the terminal may be arranged at an appropriate position for connection to the connection part of the substrate by passing through the second terminal hole. The second terminal hole only needs to be formed in the insertion part so as to correspond to the terminal, and the second terminal holes corresponding to the number and position of the terminals are formed in the insertion part.

[0049] Also, the insertion part may be configured such that when inserted into the first terminal hole, the intervening member is positioned with respect to the housing. Therefore, in a direction perpendicular to the insertion direction of the insertion part, the shape of the insertion part corresponds to the shape of the first terminal hole, and it is sufficient that the insertion part is configured not to move within the first terminal hole when the insertion part fits into the first terminal hole. The second fastening hole may be any hole for fastening and fixing the intervening member to the housing, and the number and position are not limited as long as it is provided at a position corresponding to the first fastening hole.

[0050] The substrate may be provided with a drive circuit for the electronic components. That is, the electronic components within the housing are driven by the drive circuit on the substrate. The connection part of the substrate is a part where the terminal is connected in order to electrically connect the drive circuit on the substrate and the electronic components via the terminal, and it may be various connectors or the like, or a part where the terminal is soldered, and it may have various configurations. The third fastening hole may be any hole for fastening and fixing the substrate to the housing and the intervening member, and the number and position are not limited as long as it is provided at a position corresponding to the second fastening hole. That is, it is sufficient that the housing, the intervening member, and the substrate can be fastened together via the first fastening hole, the second fastening hole, and the third fastening hole.

Explanation of Reference Numerals

[0051] 1... Electronic device, 4... Housing, 10... Housing, 11... Connector, 12... Recess, 12a... Inner wall, 12b... Bottom, 13... First terminal hole, 14... First fastening hole, 15... Terminal, 20... Intervening member, 21... Insertion part, 21a... Second terminal hole, 22... Second fastening hole, 22a... Second fastening hole, 23... Protrusion, 30... Substrate, 31... Screw, 32... Through hole, 33... Third fastening hole, 33a... Third fastening hole

Claims

1. A housing that houses electronic components inside, A substrate that includes a drive circuit for the electronic components, An electronic device comprising an intervening member interposed between the housing and the substrate, wherein The housing includes A first terminal hole that exposes a terminal of the electronic component extending from inside the housing to the outside of the housing to the outside of the housing, and A first fastening hole for fastening and fixing the substrate and the intervening member, The intervening member includes A second terminal hole through which the terminal is inserted, and an insertion portion that is inserted into the first terminal hole in a state where the terminal is inserted through the second terminal hole, and A second fastening hole for fastening and fixing the intervening member to the housing, The substrate includes A connection portion to which the terminal is electrically connected, and A third fastening hole for fastening and fixing the substrate to the housing and the intervening member, an electronic device.

2. The second terminal hole Has a tapered shape in which the diameter decreases in the insertion direction of the terminal from the insertion start end of the terminal, The electronic device according to claim 1.

3. In a direction perpendicular to the insertion direction of the insertion portion into the first terminal hole, the inner diameter of the first terminal hole is larger than the outer diameter of the insertion portion, and a protruding portion that protrudes radially outward of the insertion portion and contacts the inner wall of the first terminal hole is provided on the outer periphery of the insertion portion, The electronic device according to claim 1.

4. The intervening member includes three or more of the insertion portions, The protruding portion is formed on two or more of the insertion portions, The electronic device according to claim 3.

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