JP2019050681A - Electric connection box - Google Patents

Abstract

To provide an electric connection box capable of improving assembling properties.SOLUTION: An electric connection box (1) comprises an electronic component (11a), a first housing (10), a connection member (31), and a first connector (34). The first housing includes a first opening part (10h) in an outer wall and houses the electronic component inside. The connection member is at least partially provided inside the first housing, is electrically connected with the electric component, and has flexibility. The first connector includes a first terminal (33) electrically connected with the connection member and penetrates the first opening part. The first connector is supported by the first housing in both directions along a first direction (X), which is from the inside of the first housing toward the outside of the first housing via the first opening part. The first housing and the first connector include a position variable mechanism (PV) which enables a relative position of the first connector to be adjusted in a direction orthogonal to the first direction with respect to the first housing.SELECTED DRAWING: Figure 2

Description

  The present invention relates to an electrical connection box.

  2. Description of the Related Art There is known an electric connection box mounted on a vehicle such as a car and collectively containing electronic components such as a fuse, a relay, and an electronic control unit. In Patent Document 1, a clip attachment portion thinner than the thickness of the outer wall is provided on a part of the outer wall of a box such as an electrical connection box, and an ultrathin broken film portion whose thickness is further reduced inside the clip attachment portion. A technique is disclosed that is provided and capable of breaking the ultrathin membrane portion and inserting a blade-like locking portion of a clip attached to the wire.

JP, 2015-211504, A

  There is room for improvement in improving the assemblability of the electrical connection box.

  An object of the present invention is to provide an electrical connection box capable of improving the assemblability.

  The electrical connection box of the present invention includes an electronic component, a first housing, a connection member, and a first connector. The first housing has a first opening in an outer wall, and the electronic component is housed inside. The connection member is at least partially provided inside the first housing, electrically connected to the electronic component, and has flexibility. The first connector has a first terminal electrically connected to the connection member, and penetrates the first opening. The first connector is supported by the first housing in both directions along a first direction from the inside of the first housing through the first opening to the outside of the first housing. The first housing and the first connector are characterized by having a position variable mechanism that makes the relative position variable in a direction orthogonal to the first direction with respect to the first housing. .

  In the electrical connection box according to the present invention, when the first housing and the first connector have the position variable mechanism, the first connector can change its position in the direction orthogonal to the first direction. For example, the first connector can properly adjust the relative position even if there is a relative positional deviation from the other connector when mating with the other connector. The ability to adjust the relative position of the first connector with the other connector can alleviate tolerance variations and assembly variations of parts. ADVANTAGE OF THE INVENTION According to the electrical connection box which concerns on this invention, it is effective in the ability to improve the assemblability in an electrical connection box.

FIG. 1 is a perspective view showing an electrical connection box according to the embodiment. FIG. 2 is an exploded perspective view showing the electrical connection box according to the embodiment. FIG. 3 is a plan view showing the electrical connection box according to the embodiment. FIG. 4 is a plan view showing the position variable mechanism of the embodiment. FIG. 5 is a perspective view showing a first connector of the embodiment. FIG. 6 is a perspective view showing the electrical connection box according to the embodiment. FIG. 7 is a front view of the fitting portion of the first connector in the embodiment. FIG. 8 is a front view of the fitting portion of the second connector in the embodiment.

  Hereinafter, an electrical connection box according to an embodiment of the present invention will be described in detail with reference to the drawings. The present invention is not limited by this embodiment. In addition, constituent elements in the following embodiments include those that can be easily conceived by those skilled in the art or those that are substantially the same.

[Embodiment]
Embodiments will be described with reference to FIGS. 1 to 8. Embodiments relate to an electrical connection box. FIG. 1 is a perspective view showing an electrical connection box according to the embodiment. FIG. 2 is an exploded perspective view showing the electrical connection box according to the embodiment. FIG. 3 is a plan view showing the electrical connection box according to the embodiment. FIG. 4 is a plan view showing the position variable mechanism of the embodiment. FIG. 5 is a perspective view showing a first connector of the embodiment. FIG. 6 is a perspective view showing the electrical connection box according to the embodiment. FIG. 7 is a front view of the fitting portion of the first connector in the embodiment. FIG. 8 is a front view of the fitting portion of the second connector in the embodiment. Here, FIG. 7 is a view on arrow A1 in FIG. 6, and FIG. 8 is a view on arrow A2 in FIG. In FIGS. 1, 3, 4, and 6, the cover member 10k of the first housing 10 described later is removed, and the electronic component unit 11 or the like provided inside the first housing 10 is It is exposed.

  The electrical connection box 1 shown in FIGS. 1 to 8 is mounted in a vehicle such as an automobile, incorporated in a wire harness, and constitutes connectors, such as wires, etc., connectors, fuses, relays, capacitors, branch parts, electronic control The electrical components such as the unit are collected and accommodated inside. The electric connection box 1 is installed in, for example, an engine room of a vehicle, a lower portion of a vehicle body, a vehicle interior, etc., and connected between a power supply such as a battery and various electronic devices mounted in the vehicle. The electrical connection box 1 may also be called a junction box, a fuse box, a relay box or the like, but in the embodiment, these are collectively referred to as an electrical connection box.

  As shown in FIGS. 1 and 2, the electric connection box 1 according to the embodiment is provided with an electronic component unit 11, a first housing 10, a connection member 31, and a first cylindrical portion 35. There is. The first housing 10 includes a substantially cubic box-like housing portion 10j whose upper portion is opened, and a cover member 10k (see FIG. 2) which closes the opening of the housing portion 10j. The housing portion 10 j has a first housing portion 10 a and a second housing portion 10 b. In the embodiment, the first housing portion 10 a and the second housing portion 10 b are partitioned by a partition plate formed in the first housing 10. The electronic component unit 11 is accommodated in the first accommodating portion 10a. The electronic component unit 11 is surrounded by a partition plate and fixed to the first housing 10. The first housing 10 is formed of, for example, an insulating material such as a synthetic resin.

  The electronic component unit 11 includes a plurality of electronic components 11a. The electronic component 11a is, for example, a connector, a fuse, a relay, a capacitor, a branch portion, an electronic control unit, or the like. The electronic component unit 11 has an electrode 51. The electrode 51 is electrically connected to the plurality of electronic components 11 a included in the electronic component unit 11. The connection member 31 is disposed in the second accommodation portion 10 b.

  In the first housing 10, the connection member 31 is electrically connected to the electrode 51. The connection member 31 is a flexible conductive member. For example, the connecting member 31 has a flexibility that is hard enough to be bent by human force. In the embodiment, the connection member 31 is a braided body formed by knitting conductive wires in a mesh shape.

  In the second housing portion 10 b, one end of the connection member 31 is connected to the conductive connection terminal 32. In the embodiment, the connection terminal 32 is a crimp terminal having a connection portion at the tip, and the connection terminal 32 is crimped to the connection member 31. The connection member 31 is connected to the electrode 51 via the connection terminal 32 and the bus bar 61. One end of the connection terminal 32 and the bus bar 61 is attached to an attachment portion 52 provided in the second accommodation portion 10 b. In the embodiment, the mounting portion 52 includes a pedestal and a stud bolt provided to project from the pedestal. The bus bar 61 has a hole at each end, and the connection terminal 32 has a hole at the connection. The hole at one end of the bus bar 61 and the hole at the connection portion of the connection terminal 32 are passed through the stud bolt of the mounting portion 52. The connection terminal 32 and the bus bar 61 are fastened to the mounting portion 52 by tightening the nut 72 in the stud bolt of the mounting portion 52. One end of the connection terminal 32 and one end of the bus bar 61 are physically and electrically connected to each other by being fastened to the attachment portion 52. The other end of the bus bar 61 is connected to the electrode 51 of the electronic component unit 11. In the embodiment, the hole at the other end of the bus bar 61 is passed through the electrode 51, and the nut 71 is tightened on the electrode 51. By tightening the nut 71 on the electrode 51, the bus bar 61 is fastened to the electronic component unit 11 and is physically and electrically connected to the electrode 51.

  As shown in FIG. 2, the other end of the connection member 31 is electrically connected to the first terminal 33. The first terminal 33 is connected to the main body 34 a of the first connector 34. The first connector 34 has a hole 34 h in which the first terminal 33 is accommodated, and a fitting portion 34 f to be fitted with the mating mating connector. In the embodiment, the first terminal 33 is a crimp terminal and is crimped to an end of the connection member 31. The first terminal 33 is inserted into the hole 34 h of the first connector 34 and integrated with the main body 34 a of the first connector 34. The first connector 34 is a male connector in which the fitting portion 34f is male, and is connected to a mating connector having a female fitting portion.

  The first housing 10 has a first opening 10 h in the outer wall. The first opening 10 h is formed in the outer wall of the second accommodation portion 10 b. The first opening 10 h allows the inside of the second housing 10 b of the first housing 10 to communicate with the outside of the first housing 10. In the embodiment, the first opening 10 h is formed in one of the outer walls of the second accommodation portion 10 b. The first opening 10 h is formed as a U-shaped slit when viewed from the direction along the first direction X. In the embodiment, the first housing 10 includes a cover member 10k that covers the housing 10j. Even when the housing portion 10 j is covered by the cover member 10 k of the first housing 10, the first opening 10 h allows the inside of the second housing portion 10 b to communicate with the outside of the first housing 10.

  The first connector 34 is disposed from the outside of the first housing 10 to the inside of the first housing 10 via the first opening 10 h. The end on the hole 34 h side of the first connector 34 is disposed in the second accommodation portion 10 b of the first housing 10. The fitting portion 34 f of the first connector 34 protrudes out of the first housing 10.

  As shown in FIGS. 3 and 4, the first housing 10 and the first connector 34 have a position variable mechanism PV. The position variable mechanism PV is configured such that the first connector 34 extends in a direction perpendicular to the direction from the inside of the first housing 10 to the outside of the first housing 10 through the first opening 10 h with respect to the first housing 10. The relative position of is variable. Hereinafter, in the specification, a direction from the inside of the first housing 10 through the first opening 10 h to the outside of the first housing 10 will be referred to as a first direction X. Further, one direction orthogonal to the first direction X is referred to as a second direction Y, and a direction orthogonal to the first direction X and the second direction Y is referred to as a third direction Z. In the embodiment, the second direction Y is a direction along the width direction of the housing portion 10 j of the first housing 10, and the third direction Z is the first housing from the bottom of the housing portion 10 j of the first housing 10. It is a direction which goes to the cover member 10k which is closing the opening of 10 accommodating parts 10j (refer FIG. 2).

  The first connector 34 is movable relative to the first housing 10 in the direction orthogonal to the first direction X by the position variable mechanism PV. In the embodiment, as described later, the groove portion ST of the first housing 10 and the flange portion 34b of the first connector 34 function as the position variable mechanism PV. For example, the first connector 34 can be moved relative to the first housing 10 in both directions along the second direction Y and in both directions along the third direction Z by the position variable mechanism PV.

  As shown in FIG. 5, the first connector 34 has a main body 34 a and a flange 34 b. The main body portion 34a has a fitting portion 34f at one end and a hole 34h at the other end. The main body portion 34a has a substantially square pole shape. The longitudinal direction of the main body portion 34 a is a direction along the first direction X.

  The flange portion 34 b protrudes in a flange shape along the second direction Y and the third direction Z from the side surface 34 s of the main body portion 34 a in the direction orthogonal to the first direction X. That is, the flange portion 34b is formed to surround the main body portion 34a in a direction (second direction Y, third direction Z) orthogonal to the direction from the hole portion 34h toward the fitting portion 34f. In the embodiment, the flange portion 34 b has a rectangular frame shape in which the first direction X is the thickness direction.

  As shown in FIGS. 2 to 4, the first housing 10 has a groove ST in the first opening 10 h. The groove portion ST is formed on the wall surface 10 w of the first opening 10 h. As described above, in the embodiment, the first opening 10 h is formed as a U-shaped slit when viewed from the direction along the first direction X. The groove portion ST is formed as a groove extending in the second direction Y and the third direction Z along the U-shaped wall surface of the first opening 10 h. The groove portions ST formed on both wall surfaces 10wa and 10wb of the first opening 10h along the third direction Z are formed at mutually opposing positions in the second direction Y. The groove portion ST is also formed on the cover member 10k. The groove portion ST is formed in a portion of the cover member 10k that faces the first opening 10h of the second housing portion 10b when the cover member 10k covers the housing portion 10j of the first housing 10. The groove ST formed in the wall surface 10wc of the first opening 10h along the second direction Y and the groove ST formed in the cover member 10k face each other.

  The first connector 34 is supported by the first housing 10 in both directions along the first direction X by inserting the flange portion 34 b into the groove portion ST. The portion of the main body portion 34a of the first connector 34 inserted into the first opening 10h has a size of the first opening 10h in a direction (second direction Y, third direction Z) orthogonal to the first direction X. It is thinner than That is, a gap Gp is formed between the main body 34a of the first connector 34 and the first opening 10h (see FIG. 4). Further, as shown in FIG. 3, in the direction orthogonal to the first direction X, there is a gap CR between the flange portion 34 b and the bottom STb of the groove portion ST. The presence of the gap Gp and the gap CR allows the first connector 34 to move relative to the first housing 10 in the direction orthogonal to the first direction X.

  As shown in FIGS. 3 to 5, the width Ws of the groove ST in the first direction X is larger than the length Lt of the flange 34 b in the first direction X. The width Ws of the groove portion ST is set to such a width that the flange portion 34 b can move in the direction orthogonal to the first direction X. For example, the width Ws of the groove ST is such a width that the flange 34b can move in the direction orthogonal to the first direction X, and when the flange 34b is moved, the axial direction of the first connector 34 The width is such that it does not tilt relative to the direction along one direction X.

  As shown in FIG. 2, the first cylindrical portion 35 is provided outside the first housing 10. In the embodiment, the first cylindrical portion 35 has a substantially rectangular cylindrical shape having an internal space larger than the main body portion 34 a of the first connector 34. The fitting portion 34 f of the first connector 34 is inserted into the first cylindrical portion 35. As shown in FIG. 6, the electrical connection box 1 is provided with a second housing 20 for housing the first housing 10. For example, the second housing 20 includes a box-like housing portion 20j whose upper portion is opened, and a lid portion 20k which closes the opening of the housing portion 20j. A seal member such as a synthetic resin material is filled between the housing portion 20j of the second housing 20 and the lid portion 20k. The sealing member provided between the housing 20j of the second housing 20 and the lid 20k restricts the entry of water into the second housing 20. The first housing 10 is housed in the housing portion 20 j of the second housing 20. The first housing 10 is fastened to the second housing 20. The second housing 20 is formed using a metal material.

The second housing 20 has a second opening 20 h in the outer wall. The second opening 20 h is formed at a position facing the first opening 10 h in the first direction X. The first cylindrical portion 35 is inserted into the second opening 20 h. The first cylindrical portion 35 is fixed to the second housing 20 so as to be assembled in such a manner that there is no gap between the first cylindrical portion 35 and the second opening 20 h for the entry of water. For example, a waterproofing mechanism is provided between the first cylindrical portion 35 and the second opening 20 h so as to be able to restrict water from entering the inside of the second housing 20 through the second opening 20 h. . In the embodiment, a seal member SL such as a synthetic resin material is interposed between the first cylindrical portion 35 and the second opening 20h (see FIG. 7).
) Is filled. The seal member SL is embedded in the gap between the first cylindrical portion 35 and the second opening 20 h.

  The second connector 43 is fitted to the first connector 34 of the electrical connection box 1 as described below. As shown in FIG. 2, the second connector 43 has a wire insertion port 43 h to which the wire 41 is connected at one end, and has a fitting portion 43 f at the other end. The wiring insertion opening 43 h is covered by the connector cover 45. The connector cover 45 has an opening through which the wire 41 is inserted.

  As shown in FIG. 6, the second connector 43 is fitted into the first cylindrical portion 35 along the direction of the arrow M1. As shown in FIG. 7, in the first cylindrical portion 35, the fitting portion 34f of the first connector 34 is disposed. As shown in FIG. 8, the second connector 43 has a second terminal 42. The second terminal 42 is disposed in the fitting portion 43 f. The second terminal 42 is electrically connected to the end of the wiring 41 (see FIG. 2). In the embodiment, the second terminal 42 is a crimped terminal crimped to the end of the wiring 41. The second connector 43 has a guiding slope 43s around the fitting portion 43f. The guide inclined surface 43s is provided in a frame shape around the fitting portion 43f when viewed from the first direction X. The guiding inclined surface 43s is formed in a tapered shape in which the frame of the guiding inclined surface 43s narrows as it progresses to the back side of the fitting portion 43f along the fitting direction (first direction X). In the embodiment, the width 43y of the guiding inclined surface 43s in the second direction Y is substantially equal to the width 43z of the guiding inclined surface 43s in the third direction Z. The width 43y of the guiding inclined surface 43s in the second direction Y may be different from the width 43z of the guiding inclined surface 43s in the third direction Z.

  The fitting portion 43f of the second connector 43 is inserted into the first cylindrical portion 35, and fits with the fitting portion 34f of the first connector 34 disposed in the first cylindrical portion 35. As shown in FIG. 7, the first connector 34 is movable relative to the second housing 20 and the first tubular portion 35 by the position variable mechanism PV. Further, since the first connector 34 is connected to the electrode 51 via the flexible connection member 31, when the position of the first connector 34 is changed, the distance between the first connector 34 and the electrode 51 is Loading is suppressed. As shown by the arrow M2 in FIG. 7, the first connector 34 is movable in the direction orthogonal to the first direction X. That is, the first connector 34 can change the relative position with respect to the second housing 20 and the first cylindrical portion 35.

  A state in which the outer wall surface of the second connector 43 is fixed in the direction orthogonal to the first direction X by being in contact with the inner wall surface of the first cylindrical portion 35 when the second connector 43 is fitted into the first cylindrical portion 35 It becomes. The second connector 43 is fitted into the first cylindrical portion 35, and in the first cylindrical portion 35, engages with the first connector 34. When the second connector 43 and the first connector 34 are fitted, the second terminal 42 is electrically connected to the first terminal 33.

  When fitting the first connector 34 and the second connector 43, both the first connector 34 and the second connector 43 do not necessarily follow the fitting direction due to tolerance variations and assembly variations of parts. . In the embodiment, the flange portion 34b can move along the groove portion ST of the first opening 10h. The first connector 34 is movable within the range of the width 43y and the width 43z of the guiding inclined surface 43s by the position variable mechanism PV. That is, when the first connector 34 and the second connector 43 are fitted, the first connector 34 moves in the direction orthogonal to the first direction X along the guiding inclined surface 43s by the position variable mechanism PV. And can be moved to a position where it can be mated with the second connector 43. The gap Gp between the main body portion 34a of the first connector 34 and the first opening 10h is such a width that the first connector 34 can move within the range of the width 43y and the width 43z of the guiding inclined surface 43s. It is set.

  The first terminal 33, the second terminal 42 and the connection terminal 32 may not be crimped terminals. For example, the first terminal 33, the second terminal 42, and the connection terminal 32 may be terminals attached to the end of the connection member 31 or the end of the wiring 41 by an adhesion method such as ultrasonic welding. Further, the flange portion 34 b may not have a rectangular frame shape in which the first direction X is the thickness direction. For example, the flange portion 34 b may have a circular frame shape in which the first direction X is the thickness direction. The first cylindrical portion 35 may not have a substantially rectangular cylindrical shape. For example, the first cylindrical portion 35 may have a substantially cylindrical shape. When the first cylindrical portion 35 has a substantially cylindrical shape, the second connector 43 has a shape that can be fitted into the first cylindrical portion 35. The first connector 34 is not limited to the shape of the above-described embodiment as long as the first connector 34 has a shape that can be fitted to the second connector 43. In the embodiment, the first connector 34 is a female connector, and the second connector 43 is a male connector. However, the first connector 34 may be a male connector, and the second connector 43 may be a female connector.

  As described above, the electrical connection box 1 according to the embodiment includes the electronic component 11 a, the first housing 10, the connection member 31, and the first connector 34. The first housing 10 has a first opening 10 h on the outer wall, and the electronic component 11 a is housed inside. The connection member 31 is at least partially provided inside the first housing 10, is electrically connected to the electronic component 11a, and has flexibility. The first connector 34 has a first terminal 33 electrically connected to the connection member 31 and penetrates the first opening 10 h. The first connector 34 is supported by the first housing 10 in both directions along the first direction X from the inside of the first housing 10 to the outside of the first housing 10 through the first opening 10 h. The first housing 10 and the first connector 34 have a position variable mechanism PV that makes the relative position of the first connector 34 variable in a direction perpendicular to the first direction X with respect to the first housing 10.

  When the first housing 10 and the first connector 34 have the position variable mechanism PV, the first connector 34 can change its position in the direction orthogonal to the first direction X. For example, even when the first connector 34 is engaged with the mating connector (for example, the second connector 43), even if there is a relative positional deviation from the mating connector, the relative position may be properly adjusted. it can. The ability to adjust the relative position of the first connector 34 with the other connector allows alleviation of tolerance variations and assembly variations of parts. Moreover, the assemblability in the electrical connection box 1 can be improved. Furthermore, since the connection member 31 has flexibility, even when the positions of the first connector 34 and the first terminal 33 are changed, application of a load between the first connector 34 and the electronic component 11a is suppressed. be able to.

  Moreover, the electrical connection box 1 which concerns on embodiment further contains the 2nd housing | casing 20, the 1st cylinder part 35, and sealing member SL. The second housing 20 has the first housing 10 fastened inside and has a second opening 20 h in the outer wall. The first cylindrical portion 35 is inserted into the second opening 20 h, fixed to the second housing 20, and the second connector 43 fitted to the first connector 34 is fitted. The seal member SL is provided between the second opening 20 h and the first cylindrical portion 35 and closes the space between the second opening 20 h and the first cylindrical portion 35. The second opening 20 h faces the first opening 10 h in the first direction X. Inside the first cylindrical portion 35, the fitting portion 34f of the first connector 34 with respect to the second connector 43 is disposed.

  By providing the seal member SL between the second opening 20 h and the first cylindrical portion 35, the entry of water from the gap between the second opening 20 h and the first cylindrical portion 35 is restricted. Can. By restricting the entry of water between the second opening 20 h and the first cylindrical portion 35, the waterproofness of the electrical connection box is improved.

  In the electric connection box 1 according to the embodiment, the first connector 34 is flanged from the main body portion 34 a provided with the first terminal 33 and the side surface 34 s of the main body portion 34 a in the direction orthogonal to the first direction X. And a protruding flange portion 34b. The first housing 10 has a groove ST in the first opening 10 h. The position variable mechanism PV includes a flange portion 34 b and a groove portion ST. In the position variable mechanism PV, the flange portion 34 b is inserted into the groove portion ST, and a gap is formed between the flange portion 34 b and the groove portion ST in the direction orthogonal to the first direction X, and orthogonal to the first direction X The first connector 34 is movable in the direction.

  In the electrical connection box 1 according to the embodiment, when the first connector 34 and the mating connector (for example, the second connector 43) are fitted, the load applied in the fitting direction may be received by the flange portion 34b. it can. When the flange portion 34 b receives a load when the first connector 34 and the other connector are fitted, it is possible to suppress the first connector 34 from invading into the first housing 10.

  Further, in the electric connection box 1 according to the embodiment, the first connector 34 is bi-directional along the second direction Y orthogonal to the first direction X with respect to the first housing 10 by the position variable mechanism PV, Relative movement is possible in both directions along the third direction Z orthogonal to the first direction X and the second direction Y.

DESCRIPTION OF SYMBOLS 1 electrical connection box 10 1st housing | casing 10a 1st accommodating part 10b 2nd accommodating part 10j, 20j accommodating part 10k cover member 10h 1st opening 10w, 10wa, 10wb, 10wc wall surface 11 electronic component unit 11a electronic component 20 2nd Casing 20h Second opening 20k Cover 31 Connection member 32 Connection terminal 33 First terminal 34 First connector 34a Main body 34b Flange 34f Fitting 34h Hole 34s Side 35 first cylinder 41 Wiring 42 Second terminal 43 second connector 43f fitting portion 43h wiring insertion port 43s guiding inclined surface 43y, 43z, Ws width 45 connector cover 51 electrode 52 mounting portion 61 bus bar 71 nut 72 nut Lt length M1, M2 arrow SL seal member ST groove portion STb bottom

Claims (4)

Electronic parts,
A first case having a first opening on an outer wall and the electronic component housed inside;
A flexible connection member at least a part of which is provided inside the first housing and electrically connected to the electronic component;
A first connector having a first terminal electrically connected to the connection member and penetrating the first opening;
Equipped with
The first connector is supported by the first housing in both directions along a first direction from the inside of the first housing to the outside of the first housing through the first opening.
The first housing and the first connector are characterized by having a position variable mechanism that makes the relative position variable in a direction orthogonal to the first direction with respect to the first housing. Electrical connection box. A second case in which the first case is fastened and having a second opening on the outer wall;
A first cylindrical portion which is inserted into the second opening, is fixed to the second housing, and into which the second connector fitted to the first connector is fitted;
A sealing member provided between the second opening and the first cylindrical portion and closing the space between the second opening and the first cylindrical portion;
And further
The second opening faces the first opening in the first direction,
The electrical connection box according to claim 1, wherein a fitting portion of the first connector with respect to the second connector is disposed inside the first cylindrical portion. The first connector includes a main body provided with the first terminal, and a flange protruding in a flange shape from a side surface of the main body in a direction orthogonal to the first direction,
The first housing has a groove at the first opening,
The position variable mechanism includes the flange portion and the groove portion, and
In the position variable mechanism, the flange portion is inserted into the groove portion, and a gap is formed between the flange portion and the bottom of the groove portion in a direction orthogonal to the first direction, and the first direction The electrical connection box according to claim 1, wherein the first connector is movable in an orthogonal direction.   The position changing mechanism allows the first connector to move in both directions along a second direction orthogonal to the first direction with respect to the first housing, and orthogonal to the first direction and the second direction. The electrical connection box according to any one of claims 1 to 3, wherein relative movement is possible in both directions along three directions.

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