circuit board unit

Abstract

To provide a circuit board unit that can improve assembly ease. [Solution] The substrate unit 1 comprises a substrate 10 on which the connector 11 is mounted, and a housing 20 including a first divided body 210 and a second divided body 220 which are assembled together with the substrate 10 sandwiched along the height direction X. The connector 11 has a housing 120, a first flange 130 formed to protrude from the housing 120 toward the first divided body 210 along the height direction X and whose second width direction Z is the plate thickness direction, and a locking hole portion 131 provided in the first flange 130 and opening in the second width direction Z. The first divided body 210 has a connector fitting wall surface portion 210b into which the housing 120 fits, and a locking projection portion 212 that protrudes from the connector fitting wall surface portion 210b along the second width direction Z and is locked into the locking hole portion 131 when the housing 120 is fitted into the notch portion 211.

Description

Technical Field

[0001] The present invention relates to a substrate unit.

Background Art

[0002] For example, Patent Document 1 discloses an electronic control device including a circuit board on which a connector is mounted and a case (housing) for housing the circuit board.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] By the way, the electronic control device described in the above Patent Document 1 has room for further improvement, for example, in terms of improving the assemblability between the connector and the case (housing).

[0005] The present invention has been made in view of the above circumstances, and an object thereof is to provide a substrate unit capable of improving assemblability.

Means for Solving the Problems

[0006] To achieve the above objective, the substrate unit according to the present invention includes a substrate on which a connector is mounted, and a first divided body and a second divided body formed in a box shape by being assembled to each other with the substrate sandwiched along the assembly direction, and comprises a housing that houses the connector and the substrate inside, wherein the connector has a housing into which a mating connector is fitted, a first flange formed projecting from the housing toward the first divided body along the assembly direction and having a direction intersecting the assembly direction as the plate thickness direction, and a locking hole provided in the first flange that opens in the intersecting direction, wherein the first divided body has a first divided body side connector fitting wall surface portion into which the housing is fitted, and a locking projection portion projecting from the first divided body side connector fitting wall surface portion along the intersecting direction and being locked into the locking hole portion when the housing is fitted into the first notch. [Effects of the Invention]

[0007] The substrate unit according to the present invention has the effect of improving ease of assembly. [Brief explanation of the drawing]

[0008] [Figure 1] Figure 1 is a perspective view showing the schematic configuration of the substrate unit according to this embodiment. [Figure 2] Figure 2 is an exploded perspective view showing the schematic configuration of the substrate unit according to this embodiment. [Figure 3] Figure 3 is a front view showing a schematic configuration of the substrate unit according to this embodiment. [Figure 4] Figure 4 is a cross-sectional view of the substrate unit according to this embodiment, along the height direction. [Figure 5] Figure 5 is a cross-sectional view illustrating the assembly of the substrate unit according to this embodiment. [Figure 6] Figure 6 is a cross-sectional view illustrating the assembly of the substrate unit according to this embodiment. [Figure 7]Figure 7 is a cross-sectional view illustrating the assembly of the substrate unit according to this embodiment. [Figure 8] Figure 8 is a cross-sectional view illustrating the assembly of a substrate unit according to a modified example of this embodiment. [Modes for carrying out the invention]

[0009] Embodiments of the present invention will be described in detail below with reference to the drawings. However, the present invention is not limited by these embodiments. Furthermore, some of the components in the following embodiments may be easily substituted or substantially identical to those that are easily substituted by those skilled in the art.

[0010] [Embodiment] The substrate unit 1 shown in Figures 1 and 2 is applicable to electronic equipment mounted in vehicles such as automobiles. As shown in Figure 2, the substrate unit 1 comprises a substrate 10 on which a connector 11 is mounted, and a housing 20 that houses the connector 11 and the substrate 10. The housing 20 also has a first divided body 210 and a second divided body 220 that are assembled together with the substrate 10 in between to form a box shape. In this embodiment, the substrate unit 1 is configured to improve assembly by having a locking projection 212 provided on the first divided body 210 fit into a locking hole 131 provided on the first flange 130 of the connector 11. The configuration of the substrate unit 1 will now be described in detail with reference to Figures 1 to 7.

[0011] In the following explanation, of the three intersecting directions, the first direction will be referred to as the "height direction X," the second direction as the "first width direction Y," and the third direction as the "second width direction Z." Here, the height direction X, the first width direction Y, and the second width direction Z are orthogonal to each other. The height direction X typically corresponds to the height direction of the substrate unit 1, the assembly direction of the first and second divisions 210 and 220 relative to the substrate 10, etc. In the following, one side of the height direction X may be referred to as "up," and the other side as "down." The first width direction Y typically corresponds to the width direction of the substrate unit 1, etc. The second width direction Z typically corresponds to the depth direction of the substrate unit 1, the thickness direction of the first flange 130 and second flange 140 provided on the housing 120 of the connector 11, etc. Unless otherwise specified, the directions used in the following explanation refer to the directions when the parts of the circuit board unit 1 are assembled.

[0012] [substrate] As shown in Figure 2, the substrate 10 has a mounting surface 10a, and various electronic components, including a connector 11, are mounted on this mounting surface 10a to constitute an electronic circuit board. The substrate 10 is a printed circuit board (PCB) in which electronic components are soldered to a rigid substrate. The substrate 10 is formed in a substantially rectangular shape, extending along the first width direction Y and the second width direction Z, with the height direction X being the thickness direction. The substrate 10 is formed by printing a wiring pattern (print pattern) with a conductive material such as copper onto an insulating layer such as epoxy resin, glass epoxy resin, paper epoxy resin, or ceramic, and the circuit body is formed by this wiring pattern.

[0013] As shown in Figure 2, the connector 11 is mounted on the mounting surface 10a of the circuit board 10 and electrically connects the circuit board 10 and the mating connector C (see Figure 4) provided on the ends of the cable routing material or various devices by connector mating. As shown in Figure 2, the connector 11 comprises a plurality of terminals 110, a housing 120, a first flange 130, and a second flange 140.

[0014] Terminal 110 is formed of a conductive metal material and electrically connects the substrate 10 and the mating connector C. As shown in FIG. 3, a plurality of terminals 110 are arranged at intervals along the height direction X and the first width direction Y, respectively, and are held by the housing 120. Further, as shown in FIG. 4, the terminal 110 includes a connection terminal portion 111 and a mounting terminal portion 112, and is formed in an L shape as a whole.

[0015] The connection terminal portion 111 is a portion that is electrically connected to the mating terminal of the mating connector C. As shown in FIG. 4, the connection terminal portion 111 is formed in a rod shape along the second width direction Z.

[0016] The mounting terminal portion 112 is a portion that is electrically connected to the conductive portion formed on the mounting surface 10a of the substrate 10. As shown in FIG. 4, the mounting terminal portion 112 is formed in a rod shape along the height direction X. Further, the mounting terminal portion 112 is inserted into a through hole formed in the substrate 10 and then soldered, thereby being electrically connected to the circuit formed in the substrate 10.

[0017] The housing 120 is a portion into which the mating connector C is fitted, and is a portion that houses and holds the terminal 110 that is electrically connected to the mating terminal of the mating connector C inside. The housing 120 is formed of an insulating synthetic resin material. Further, as shown in FIG. 4, the housing 120 includes a terminal holding portion 121 and a hood portion 122.

[0018] The terminal holding portion 121 is a portion that holds a plurality of terminals 110. As shown in FIG. 4, the terminal holding portion 121 is a wall portion in which the second width direction Z is the plate thickness direction, and is formed in a substantially rectangular shape. Further, a plurality of hole portions (not shown) are formed in the terminal holding portion 121, and the terminals 110 can be held by inserting the terminals 110 into the respective hole portions.

[0019] The hood portion 122 is a portion where the connection terminal portions 111 of the plurality of terminals 110 are exposed. As shown in FIG. 4, the hood portion 122 is formed in a cylindrical shape along the second width direction Z. Further, the hood portion 122 includes a bottom wall portion 122a disposed on the substrate 10 side, a pair of side wall portions 122b, and an upper wall portion 122c, and the front shape viewed from the second width direction Z is formed in a substantially rectangular shape by integrally forming each portion.

[0020] The bottom wall portion 122a and the upper wall portion 122c are wall portions in which the height direction X is the plate thickness direction, and are wall portions arranged at intervals along the height direction X. Therefore, the bottom wall portion 122a and the upper wall portion 122c are positioned opposite to each other.

[0021] The pair of side wall portions 122b are wall portions in which the first width direction Y is the plate thickness direction, and are wall portions arranged at intervals along the first width direction Y. Therefore, the pair of side wall portions 122b are positioned opposite to each other.

[0022] Further, as shown in FIG. 4, the above-described terminal holding portion 121 is provided on one end side in the second width direction Z of the hood portion 122, and the other end side in the second width direction Z is open. Therefore, the mating connector C is inserted from the other end portion (open end portion 122d) in the second width direction Z of the hood portion 122 of the housing 120 of the present embodiment.

[0023] The first flange 130 is a portion that temporarily holds the first divided body 210. As shown in Figures 2 and 4, the first flange 130 is a wall portion whose second width direction Z is the plate thickness direction, and is provided on the upper wall portion 122c of the hood portion 122. Also, as shown in Figures 2 and 4, the first flange 130 is formed to protrude upward (towards the first divided body 210) from the housing 120 along the height direction X. Also, as shown in Figure 2, the first flange 130 is formed along the first width direction Y, extending from one side wall portion 122b of the housing 120 to the other side wall portion 122b. In this embodiment, as shown in Figures 2 and 4, the first flanges 130 are provided in pairs with a gap between them along the second width direction Z. Furthermore, one end of the first flange 130 is provided at the open end 122d of the hood portion 122, and the other end of the first flange 130 is offset with respect to the second width direction Z toward the terminal holding portion 121 side (towards the rear in the mating direction of the mating connector C to the connector 11). In the following description, the first flange 130 located toward the open end 122d side of the hood portion 122 may be referred to as "first flange 130a," and the first flange 130 located toward the terminal holding portion 121 side may be referred to as "first flange 130b."

[0024] Furthermore, as shown in Figures 2 and 4, the first flange 130 has a locking hole 131 into which a projection (a locking projection 212, described later) provided on the first divided body 210 can be locked. The locking hole 131 in this embodiment is a through hole that opens in the second width direction Z, which is the thickness direction of the first flange 130, and its front shape when viewed from the second width direction Z is formed to be substantially rectangular. Also, as shown in Figure 3, the locking hole 131 is formed near the center of the first flange 130 and is formed to be large enough to insert the locking projection 212. Therefore, when assembling the first divided body 210 to the substrate 10 on which the connector 11 is mounted, the locking hole 131 can be used to lock the locking projection 212 provided on the first divided body 210 by inserting it into the locking hole 131 and hooking it. Furthermore, the first flange 130, which is provided with the locking hole 131, can temporarily hold the first divided body 210 by locking the locking projection 212 with the locking hole 131.

[0025] The second flange 140 is the portion held by the second divided body 220. The second flange 140 is a wall portion whose second width direction Z is the plate thickness direction, and is provided on the bottom wall portion 122a of the hood portion 122 (see Figure 4, etc.). As shown in Figure 4, the second flange 140 is formed to protrude downward (towards the second divided body 220) from the housing 120 along the height direction X. The second flange 140 is also formed along the first width direction Y, extending from one side wall portion 122b of the housing 120 to the other side wall portion 122b. Furthermore, as shown in Figure 4, when the second divided body 220 is assembled to the substrate 10 on which the connector 11 is mounted, the second flange 140 enters the inside of the second divided body 220 and is held by the second divided body 220 by contacting the wall portion located on the front of the second divided body 220 (connector fitting wall portion 220b, described later).

[0026] [Cabinet] The housing 20 houses and protects the circuit board 10 and connector 11 inside. The housing 20 is made of an insulating synthetic resin material. As shown in Figures 1 to 4, the housing 20 is composed of a first segment 210 and a second segment 220, and the first segment 210 and the second segment 220 are assembled together along the height direction X, sandwiching the circuit board 10, to form a hollow box shape. The housing 20 maintains the assembled state of the first segment 210 and the second segment 220 by a locking mechanism (not shown).

[0027] The first segmented body 210 is a cover member formed to be attachable to the substrate 10 on which the connector 11 is mounted, and is assembled from above along the height direction X. As shown in Figure 1, the first segmented body 210 is formed in a substantially rectangular shape when viewed from the height direction X. The first segmented body 210 is composed of an upper wall portion 210a positioned opposite the substrate 10, a connector mating wall portion 210b as a front wall portion (corresponding to the "first segmented body side connector mating wall portion"), a rear wall portion 210c, and a pair of side wall portions 210d, and each part is formed integrally to form a tray-like (dish-like) shape.

[0028] The upper wall portion 210a is a wall portion whose height direction X is in the same direction as the plate thickness. Therefore, when the upper wall portion 210a is assembled to the substrate 10 on which the connector 11 is mounted, it is positioned opposite the main surface of the substrate 10 and the upper wall portion 122c of the connector 11.

[0029] The connector mating wall portion 210b and the rear wall portion 210c are wall portions whose second width direction Z is the plate thickness direction, and are arranged with a gap between them along the second width direction Z. Therefore, the connector mating wall portion 210b and the rear wall portion 210c are located facing each other. When the connector mating wall portion 210b is assembled to the substrate 10 on which the connector 11 is mounted, it is located on the side of the open end 122d of the connector 11.

[0030] The pair of side wall portions 210d are wall portions whose first width direction Y is the plate thickness direction, and are arranged at intervals along the first width direction Y. Therefore, the pair of side wall portions 210d are positioned facing each other.

[0031] Furthermore, as shown in Figure 2, the first divided body 210 has a notch 211 (corresponding to the "first notch"). In this embodiment, the notch 211 opens in the second width direction Z, which is the thickness direction of the connector mating wall surface 210b, and the front shape viewed from the second width direction Z is formed to be substantially rectangular. The notch 211 is also formed to a size that allows the upper part of the housing 120 to be inserted. Therefore, when the first divided body 210 is assembled to the substrate 10 on which the connector 11 is mounted, the hood portion 122 of the housing 120 is partially inserted into the notch 211, thereby mating with the housing 120.

[0032] Furthermore, as shown in Figures 2 and 4, the first segmented body 210 has a locking projection 212 that is locked into the locking hole 131. The locking projection 212 in this embodiment is a projection that protrudes from the connector mating wall surface 210b along the second width direction Z toward the opening end 122d side (the front side in the mating direction of the mating connector C to the connector 11), and its front shape, as viewed from the second width direction Z, is formed to be substantially rectangular. Also, as shown in Figure 3, the locking projection 212 is formed near the center of the connector mating wall surface 210b and is formed to be sized to be insertable into the locking hole 131. Furthermore, as shown in Figure 4, the distance Z1 between the pair of first flanges 130 described above is set to be equal to or wider than the combined thickness Z2 of the connector mating wall surface 210b and the locking projection 212 (see Figure 5). Therefore, when the first divided body 210 is assembled to the substrate 10 on which the connector 11 is mounted, the locking projection 212 is inserted between the pair of first flanges 130 and enters into the locking hole 131 provided in the first flange 130, thereby locking into the locking hole 131.

[0033] The second segment 220 is a cover member formed to be attachable to the substrate 10 on which the connector 11 is mounted, and is assembled from below along the height direction X. As shown in Figure 2, the second segment 220 is formed in a substantially rectangular shape when viewed from the height direction X. The second segment 220 is composed of a bottom wall portion 220a positioned opposite the substrate 10, a connector mating wall portion 220b as a front wall portion (corresponding to the "second segment side connector mating wall portion"), a rear wall portion 220c, and a pair of side wall portions 220d, and each part is formed integrally to form a tray shape (dish shape).

[0034] The bottom wall portion 220a is a wall portion where the height direction X is in the direction of the plate thickness. Therefore, when the bottom wall portion 220a is assembled to the substrate 10 on which the connector 11 is mounted, it is positioned opposite the main surface of the substrate 10.

[0035] The connector mating wall portion 220b and the rear wall portion 220c are wall portions whose second width direction Z is the plate thickness direction, and are wall portions that are spaced apart along the second width direction Z. Therefore, the connector mating wall portion 220b and the rear wall portion 220c are located facing each other. When the connector mating wall portion 220b is assembled to the substrate 10 on which the connector 11 is mounted, it is located on the side of the open end 122d of the connector 11.

[0036] The pair of side wall sections 220d are wall sections whose first width direction Y is the plate thickness direction, and are arranged at intervals along the first width direction Y. Therefore, the pair of side wall sections 220d are positioned facing each other.

[0037] Furthermore, as shown in Figure 2, the second divided body 220 has a notch 221 (corresponding to the "second notch"). In this embodiment, the notch 221 opens in the second width direction Z, which is the thickness direction of the connector mating wall surface 220b, and the front shape viewed from the second width direction Z is formed to be substantially rectangular. The notch 221 is also formed to a size that allows the lower part of the housing 120 to be inserted. Therefore, when the second divided body 220 is assembled to the substrate 10 on which the connector 11 is mounted, the hood portion 122 of the housing 120 is partially inserted into the notch 221, thereby mating with the housing 120.

[0038] [Assembly operation of circuit board unit 1] Next, with reference to Figures 5 to 7, the assembly operation of the circuit board unit 1 configured as described above will be explained.

[0039] First, the worker mounts the connector 11 onto the mounting surface 10a of the circuit board 10. Then, as shown in Figure 5, the worker assembles the first divided body 210 onto the circuit board 10. At this time, the connector mating wall portion 210b of the first divided body 210 is positioned between the pair of first flanges 130a, 130b with respect to the second width direction Z.

[0040] Then, as shown in Figure 6, the worker inserts the connector mating wall portion 210b between the pair of first flanges 130a and 130b. At this time, the notch 211 of the first divided body 210 is inserted along the height direction X, and the edge of the notch 211 contacts the wall portion (such as the upper wall portion 122c of the hood portion 122) that constitutes the housing 120 of the connector 11, thereby mating with the housing 120. The connector mating wall portion 210b then slides the tip of the locking projection 212 provided on one side of the wall portion 210b along the constituent surface of the first flange 130a, and at the same time slides the other side (the side without the locking projection 21) along the constituent surface of the first flange 130b, thereby inserting the locking projection 21 between the pair of first flanges 130a and 130b.

[0041] Then, as shown in Figure 7, the worker inserts the locking projection 212 provided on the connector mating wall portion 210b into the locking hole portion 131 of the first flange 130a. At this time, the connector mating wall portion 210b is pushed toward the first flange 130a side (the front side in the mating direction of the mating connector C to the connector 11), causing the locking projection 212 to be inserted into the locking hole portion 131 of the first flange 130a. Furthermore, once the locking projection 212 is inserted into the locking hole portion 131 of the first flange 130a, it catches on the edge of the locking hole portion 131 and is locked by the locking hole portion 131. Therefore, in this embodiment, the substrate unit 1 is fitted with a holding structure consisting of the locking hole portion 131 and the locking projection 212, and by temporarily holding the first divided body 210 with respect to the connector 11, the first divided body 210 can be assembled to the substrate 10.

[0042] Then, the worker assembles the second divided part 220 onto the substrate 10. At this time, the connector mating wall portion 220b of the second divided part 220 is positioned on the outside of the second flange 140 (the side facing the mating direction of the mating connector C to the connector 11).

[0043] Then, as shown in Figure 4, the worker inserts the second flange 140 into the inside of the connector mating wall portion 220b. At this time, the notch 221 of the second divided body 220 is inserted along the height direction X, and the edge of the notch 221 contacts the wall portion (such as the bottom wall portion 122a of the hood portion 122) that constitutes the housing 120 of the connector 11, thereby mating with the housing 120. The second flange 140 then slides along the constituent surface of the connector mating wall portion 210b and is held by the connector mating wall portion 220b. Therefore, in this embodiment, the substrate unit 1 can be assembled to the substrate 10 by holding the second flange 140 with the connector mating wall portion 220b.

[0044] In the above description, the locking projection 212 was described as being provided on the outer surface of the first divided body 210 (the surface exposed to the outside when the various parts of the substrate unit 1 are assembled), but it may also be provided on the opposite surface of the first divided body 210. For example, in the substrate unit 1A shown in Figure 8, the locking projection 212A is provided on the inner surface of the first divided body 210A that constitutes the housing 20A. When the locking projection 212A enters the locking hole 131 of the first flange 130b, it catches on the edge of the locking hole 131 and is locked by the locking hole 131. Therefore, in this embodiment, the substrate unit 1A can temporarily hold the first divided body 210A to the connector 11 by applying a holding structure consisting of the locking hole 131 and the locking projection 212A. Therefore, according to the substrate units 1 and 1A described above, the locking projections 212 and 212A are locked into the locking holes 131 provided in the pair of first flanges 130a and 130b by entering into either of the locking holes 131, respectively, and as a result, the first divided parts 210 and 210A can be temporarily held by the connector 11.

[0045] The circuit board units 1 and 1A described above include a circuit board 10 on which the connector 11 is mounted, and a housing 20 that houses the connector 11 and the circuit board 10 inside, and which includes a first divided body 210, 210A and a second divided body 220 that are assembled together along the assembly direction (height direction X) with the circuit board 10 in between. Furthermore, the connector 11 has a housing 120 into which the mating connector C is fitted, a first flange 130 formed projecting from the housing 120 toward the first divided body 210, 210A along the height direction X and having a direction intersecting the height direction X (second width direction Z) as the plate thickness direction, and a locking hole portion 131 provided on the first flange 130 and opening in the second width direction Z. The first divided body 210, 210A has a connector fitting wall portion 210b (first divided body side connector fitting wall portion) into which the housing 120 is fitted, and a locking projection portion 212, 212A projecting from the connector fitting wall portion 210b along the second width direction Z and being locked into the locking hole portion 131 when the housing 120 is fitted into the notch portion 211.

[0046] With this configuration, the substrate units 1 and 1A can temporarily hold the first divided parts 210 and 210A in place of the connector 11 by having the locking projections 212 and 212A on the first divided parts 210 and 210A fit into the locking holes 131 provided in the first flange 130 of the connector 11. Therefore, the substrate units 1 and 1A can temporarily fix the first divided parts 210 and 210A to the connector 11, thereby simplifying the assembly operation of each part. Consequently, the substrate units 1 and 1A of this embodiment can improve ease of assembly.

[0047] Furthermore, the second divided body 220 described above has a connector mating wall surface portion 220b (second divided body side connector mating wall surface portion) into which the housing 120 is fitted, and the connector 11 has a second flange 140 that is formed to protrude from the housing 120 toward the second divided body 220 along the height direction X and whose second width direction Z is the plate thickness direction, and the locking hole portion 131 locks the locking projections 212, 212A, and the second flange 140 is held by the connector mating wall surface portion 220b when the housing 120 is fitted into the notch 221. With this configuration, the substrate units 1, 1A can be assembled with the second divided body 220 while the first divided bodies 210, 210A are temporarily fixed to the connector 11, thus simplifying the assembly operation of each part. Therefore, the substrate units 1 and 1A of this embodiment can improve ease of assembly. Furthermore, the substrate units 1 and 1A are assembled such that the locking projections 212 and 212A provided on the first divided parts 210 and 210A fit into the locking holes 131 provided on the first flange 130 of the connector 11, and the second flange 140 of the connector 11 is held by the connector mating wall surface 220b of the second divided part 220, thereby reducing the influence of external forces when vibration occurs. Accordingly, the substrate units 1 and 1A of this embodiment can maintain a state in which the substrate 10 on which the connector 11 is mounted and the housings 20 and 20A are properly assembled, and the substrate 10 and the connector 11 are properly protected by the housings 20 and 20A.

[0048] Furthermore, the first flanges 130 described above are provided in pairs at intervals along the second width direction Z, and the locking projections 212 and 212A are locked into the locking holes 131 provided in each of the pair of first flanges 130 by entering into one of the locking holes 131. With this configuration, the substrate units 1 and 1A can determine the position of the locking projections 212 and 212A according to the specifications of each part, and by inserting the locking projections 212 and 212A into one of the pair of locking holes 131, the first divided parts 210 and 210A can be temporarily held in place by the connector 11. As a result, the substrate units 1 and 1A can temporarily fix the first divided parts 210 and 210A to the connector 11, thereby simplifying the assembly operation of each part. Therefore, the substrate units 1 and 1A of this embodiment can improve ease of assembly.

[0049] Furthermore, the substrate units 1 and 1A according to the embodiments of the present invention described above are not limited to the embodiments described above, and various modifications are possible within the scope of the claims.

[0050] For example, although it was explained that the first flange 130 is provided in a pair, it may also be provided as a single unit.

[0051] Furthermore, the positions of the locking hole 131 and the locking projections 212 and 212A are not particularly limited.

[0052] Furthermore, the shape of the locking hole 131 and the locking projections 212 and 212A is not particularly limited.

[0053] Furthermore, the second flange 140 does not necessarily have to be provided.

[0054] Furthermore, the substrate units 1 and 1A according to this embodiment may be constructed by appropriately combining the components of the embodiments described above. [Explanation of symbols]

[0055] 1. 1A board unit 10 circuit boards 11 Connectors 120 Housing 130 First Flange 131 Locking hole 140 Second flange 20, 20A enclosure 210, 210A 1st division body 210b Connector mating wall surface (connector mating wall surface on the first split body side) 211 Notch (First notch) 220 Second division body 220b Connector mating wall (connector mating wall on the second split body side) 221 Notch (Second Notch) 212, 212A Locked protrusion X (height direction) Y First width direction Z 2nd width direction

Claims

1. A circuit board with a connector mounted on it, It includes a first divided body and a second divided body which are assembled together along the assembly direction with the substrate sandwiched between them to form a box shape, and comprises a housing which houses the connector and the substrate inside, The connector comprises a housing into which a mating connector is mated, a first flange formed projecting from the housing toward the first segment along the assembly direction and having a direction intersecting the assembly direction as the plate thickness direction, and a locking hole provided in the first flange that opens in the intersecting direction. The first divided body is characterized by having a first divided body side connector fitting wall surface portion having a first notch portion into which the housing is fitted, and a locking projection portion that protrudes from the first divided body side connector fitting wall surface portion along the intersecting direction and is locked into the locking hole portion when the housing is fitted into the first notch portion, Circuit board unit.

2. The second divided body has a second divided body side connector fitting wall portion in which a second notch is formed into which the housing is fitted, The connector has a second flange formed to protrude from the housing toward the second split body along the assembly direction, with the intersecting direction being the thickness direction, the locking hole engages with the locking projection, and the second flange is held by the connector fitting wall on the second split body side when the housing is fitted into the second notch. The substrate unit according to claim 1.

3. The first flanges are provided in pairs, spaced apart along the intersecting directions. The locking projection is locked into the locking hole by entering into one of the locking holes provided in each of the pair of first flanges. The substrate unit according to claim 1 or 2.

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