JP6898291B2 - Cover structure for electrical connections - Google Patents

Description

The present invention relates to a cover structure for electrical connections.

Conventionally, vehicles such as automobiles are equipped with various electrical connection objects, and accommodating parts having electrical connection points related to the electrical connection objects are provided inside. In the housing component, when work related to the electrical connection location (such as attachment / detachment of the electrical connection object) is required, an opening is formed so that the work can be performed. Therefore, the housing component is provided with a cover that closes the opening. For example, this type of accommodating component is disclosed in Patent Document 1 below.

Japanese Unexamined Patent Publication No. 2008-11534

By the way, the cover may be molded integrally with the housing part together with the living hinge or the like, or it may be molded as a part (cover member) different from the housing part and assembled to the housing part via the hinge structure. In some cases. In the latter case, the hinge structure is configured to be rotatable between the open and closed positions of the cover member with respect to the opening. Therefore, it is desirable that the hinge structure is configured so that the cover member is not detached from the accommodating component at any position between the open position and the closed position.

Therefore, the present invention provides a cover structure for an electrical connection portion capable of suppressing detachment of the cover member from the accommodating component regardless of the position of the cover member with respect to the accommodating component. That is the purpose.

In order to achieve the above object, the present invention includes an accommodating component having an electric connection portion inside and having an opening capable of performing work related to the electric connection portion, and a cover member for closing the opening. A hinge structure that is rotatable between an open position and a closed position of the cover member with respect to the opening is provided, and the hinge structure is provided on one of the housing component and the cover member. A rotating shaft and two bearings provided on the other side of the accommodating component and the cover member and rotatably supporting the rotating shaft on the axis of the rotating shaft at intervals from each other. Each of the bearings includes a bearing body provided with a bearing portion that rotatably supports the outer peripheral surface of the rotation shaft, and the rotation shaft up to the bearing portion along an intersecting direction with respect to the axis. It has an insertion port to be inserted, and each of the insertion ports is opened in opposite directions in a direction orthogonal to the axis, and the hinge structure is formed between the respective bearings at the respective bearing portions. It is characterized by including a pair of regulators that sandwich the rotating shaft that is pivotally supported in a direction orthogonal to the axis and regulate the movement of the rotating shaft toward each insertion port.

Here, each of the bearing portions has an arcuate bearing surface along the outer peripheral surface of the rotation shaft, and each of the bearing bodies is within an elastic region toward the outside in the radial direction of the bearing surface. It is desirable that each of the insertion openings is formed so as to be smaller than the diameter of the rotation shaft.

Further, each of the bearings has a locking body that locks the rotating shaft pivotally supported by the bearing portion on the insertion port side, and each of the insertion ports is an end portion of the bearing portion. It is desirable to form it between the locking body and the end portion of the locking body.

In the hinge structure according to the present invention, since each bearing has an insertion port for a rotating shaft in which the bearings are opposite to each other, when the rotating shaft in the shaft-supported state is removed from the respective bearing, One end of the rotating shaft is pulled out from the insertion port of one bearing, the other end of the rotating shaft is pulled out from the insertion port of the other bearing, and one end of the rotating shaft is pulled out from the one bearing. It is necessary to arrange the other end of the rotating shaft so as to face the insertion port of the other bearing. That is, in this hinge structure, in order to remove the rotating shaft from each bearing, it is necessary to apply a load in opposite directions to both ends of the rotating shaft. On the other hand, when opening and closing the cover member, a load is applied between the open position and the closed position in the same direction oriented orthogonal to the axial direction of the rotating shaft with respect to both ends of the rotating shaft. There is a possibility that it will end up. That is, in this hinge structure, the direction of the load applied to both ends of the rotating shaft when the rotating shaft is removed from the respective bearings, and the rotation between the open position and the closed position due to the opening and closing of the cover member. The direction of the load that may act on both ends of the moving shaft does not match at both ends of the rotating shaft. Therefore, in the cover structure of the electrical connection portion according to the present invention, the rotating shaft can be kept in a shaft-supported state by each bearing having insertion ports opposite to each other. Therefore, the cover structure of the electrical connection portion can suppress the unintentional detachment of the cover member from the accommodating part. Further, in the cover structure of the electrical connection portion according to the present invention, by also providing a pair of restricting bodies, the pair of restricting bodies also causes the movement of the rotating shaft in the shaft-supported state toward each insertion port. Can be locked. Therefore, in the cover structure of the electrical connection portion, the function of holding the axial support state of the rotating shaft by each bearing is further enhanced, so that the effect of suppressing the unintentional detachment of the cover member from the accommodating part is improved. be able to.

FIG. 1 is a perspective view showing a cover structure of an electrical connection portion of an embodiment together with an electric component accommodating device to which the electric connection portion is applied, in a closed position. FIG. 2 is a side view in a closed position showing the cover structure of the electrical connection portion of the embodiment together with the electric component accommodating device to which the electric connection portion is applied. FIG. 3 is a perspective view showing the cover structure of the electrical connection portion of the embodiment together with the electrical component accommodating tool to which the cover structure is applied, in an open position. FIG. 4 is a perspective view of another angle at an open position showing the cover structure of the electrical connection portion of the embodiment together with the electrical component accommodating tool to which the electric component is applied. FIG. 5 is an exploded perspective view of the electric component accommodating tool from which the cover member has been removed. FIG. 6 is an enlarged view of the bearing. FIG. 7 is a top view for explaining the hinge structure before assembly. FIG. 8 is a top view for explaining the hinge structure after assembly. FIG. 9 is a side view for explaining the load acting on the rotating shaft when the cover member is opened and closed. FIG. 10 is an enlarged view of the bearing and the regulator. FIG. 11 is a top view for explaining the assembled hinge structure having the restricting body.

Hereinafter, embodiments of the cover structure of the electrical connection portion according to the present invention will be described in detail with reference to the drawings. The present invention is not limited to this embodiment.

[Embodiment]
One of the embodiments of the cover structure of the electrical connection portion according to the present invention will be described with reference to FIGS. 1 to 11.

Reference numerals 1 in FIGS. 1 to 5 indicate a cover structure of an electrical connection portion in the present embodiment.

The cover structure 1 is intended for the electric component accommodating tool B in which the electric component is accommodated (FIGS. 1 to 5). For example, as the electric component accommodating tool B, a so-called electric junction box, a so-called conductive module such as a bus bar module, or the like can be considered.

In the electrical junction box, for example, an electronic component as an electrical connection object is housed inside an insulating housing component, and the electronic component is a conductive member (for example, conductive) as another electrical connection object. Busba) and electric wires are electrically connected inside. In this electrical connection box, the electrical connection points are the physical and electrical connection points between the electronic component and the conductive member, the physical and electrical connection points between the electronic component and the electric wire, and the physical connection between the conductive member and the electric wire. Target and electrical connection points, physical and electrical connection points via terminal fittings between electric wires. The electronic component refers to, for example, a circuit protection component such as a relay or a fuse. Here, electronic devices such as circuit boards and electronic control units (so-called ECUs) are also considered as a form of electronic components. In this electric connection box, for example, a plurality of electric wires are pulled out to the outside, and the devices and power supplies to be electrically connected in the vehicle are electrically connected via the electric wires. The electrical junction box forms a wire harness with such wires.

In this electrical junction box, some work may be required for the electrical connection points inside the housing parts. The work related to the electrical connection location includes, for example, attachment / detachment work (insertion / extraction work) of electronic parts to conductive members, attachment / detachment work of terminal fittings of electric wire terminals to electronic parts or conductive members (screw fixing work, etc.), and terminal fittings. (Screw fixing work, etc.), attachment / detachment work (insertion / removal work) for electronic parts of the connector, inspection work of circuit protection parts, etc. can be considered. Therefore, the accommodating component is formed with an opening in which work related to the electrical connection portion can be performed. The opening is covered with a cover member that can be opened and closed.

The conductive module is, for example, in a vehicle such as an electric vehicle or a hybrid vehicle, electrically connecting adjacent ones of a plurality of battery cells forming the battery module, or electrically connecting the battery cell side and the battery monitoring unit side. It is used when connecting to. For example, in this conductive module, a plurality of accommodating chambers are formed inside the insulating accommodating parts, and a conductive member (for example, a conductive bass bar) is accommodated in each accommodating chamber. The conductive member physically and electrically connects the electrode terminals of adjacent battery cells. Further, one end of the electric wire is physically and electrically connected to the conductive member in the accommodation chamber. The other end of the wire is physically and electrically connected to the battery monitoring unit. In this conductive module, the electrical connection points are the physical and electrical connection points between the conductive member and the electrode terminals, the physical and electrical connection points between the conductive member and the electric wire, and the physical connection between the electric wire and the battery monitoring unit. A target and electrical connection point.

In this conductive module, when the battery module is attached to and detached from the battery module, a predetermined operation is performed on the electrical connection points inside the accommodating parts. As the work related to the electrical connection location, the work of attaching / detaching the conductive member to the electrode terminal (screw fixing work, welding work, etc.) and the work of attaching / detaching the electric wire to the conductive member (connector insertion / removal work, welding work, etc.) are performed. Therefore, the accommodating component is formed with an opening (opening of the accommodating chamber) capable of performing work related to the electrical connection portion. The opening is covered with a cover member that can be opened and closed.

Specifically, the cover structure 1 includes an accommodating component 10 having an electrical connection portion inward and an opening 10a capable of performing work related to the electrical connection portion (FIGS. 3 to 5). The housing part 10 is molded from an insulating material such as synthetic resin. This exemplary accommodating component 10 includes an accommodating member 11 in which an electrical connection object (not shown) is accommodated inward, and a lid member 12 that closes the opening of the accommodating member 11 (FIGS. 1 to 1). 5). Here, the housing component 10 is formed by assembling the square-shaped housing member 11 having one opening and the lid member 12 closing the opening to each other. In the housing component 10, a rectangular opening 10a is formed in the rectangular flat lid 12a of the lid member 12 (FIGS. 3 to 5), and an electrical connection portion (not shown) is formed behind the opening 10a. (Omitted) is provided. The lid member 12 of this example has a square tubular peripheral wall body 12b protruding from the outer wall surface of the lid body 12a at the peripheral edge of the opening 10a (FIGS. 3 to 5).

The cover structure 1 comprises a cover member 20 that closes the opening 10a, a hinge structure 30 that is rotatable between an open position and a closed position of the cover member 20 with respect to the opening 10a, and the cover member 20. A lock structure 40 that is held by the cover member 12 in the closed position is provided (FIGS. 1 to 5).

The cover member 20 is molded from an insulating material such as synthetic resin. The cover member 20 of this example has a rectangular closing body 21 that matches the shape of the opening 10a, and a square tubular peripheral wall body 22 that protrudes from the peripheral edge of the closing body 21 (FIGS. 1 to 1). 5). When the cover member 20 is in the closed position, the closing body 21 closes the opening 10a, and the peripheral wall body 22 covers the peripheral wall body 12b from the outside.

The hinge structure 30 is provided on one of the accommodating component 10 and the cover member 20 and the rotating shaft 31 provided on the other of the accommodating component 10 and the cover member 20, and the rotating shaft 31 is provided on the rotating shaft 31. It is provided with two bearings 32 and 33 that rotatably support each other on the axis at intervals (FIGS. 1 to 5). In this example, the cover member 20 is provided with a rotating shaft 31, and the accommodating component 10 is provided with bearings 32 and 33, respectively.

The rotating shaft 31 is a shaft portion formed in a columnar or cylindrical shape, and is provided on one of the four side portions (first side portion 21a) of the closed body 21 (FIGS. 1 to 5). The rotating shaft 31 is arranged along its own axial direction along the longitudinal direction of the first side portion 21a. In the cover member 20 of this example, one of the four peripheral wall portions (first peripheral wall portion 22a) forming the peripheral wall body 22 is projected from the first side portion 21a, and the first peripheral wall portion 22a is projected from the first peripheral portion 21a. A rotating shaft 31 is provided (FIGS. 1, 4 and 5). The rotation shaft 31 is connected to the first peripheral wall portion 22a via a connecting body 23 projecting from the outer wall surface of the first peripheral wall portion 22a (FIGS. 1 and 5). The connecting body 23 is connected to a central portion of the rotating shaft 31 excluding both ends. The rotating shaft 31 of this example is integrally molded with the cover member 20 when the cover member 20 is molded.

The bearings 32 and 33 are provided on the lid body 12a of the lid member 12 (FIGS. 1 to 5). Each of the bearings 32 and 33 of this example is integrally formed with the lid member 12 when the lid member 12 is formed. Here, the bearings 32 and 33 are projected from the outer wall surface of the lid 12a.

_{The bearings 32, 33 have bearing bodies 32a, 33a provided with bearing portions 32a 1} , 33a ₁ that rotatably support the outer peripheral surface of the rotating shaft 31, and the rotating shaft 31 is provided with the rotating shaft 31. _{It has insertion ports 32b and 33b into which bearing portions 32a 1} and 33a _{1 are} inserted along the crossing direction with respect to the axis of the above (FIGS. 5 and 6).

Each of the bearing bodies 32a and 33a has rectangular piece-shaped projecting portions 32a ₂ and 33a ₂ projecting in the orthogonal direction from the outer wall surface of the lid body 12a, and the projecting portions 32a ₂ and 33a ₂ of the projecting portions 32a 2 and 33a 2. _{Bearing portions 32a 1} , 33a ₁ are provided at the ends on the protruding direction side (FIGS. 2, 5 and 6). Each of the bearing portions 32a ₁ , 33a ₁ is formed as an arc-shaped piece body aligned with the outer peripheral surface of the rotating shaft 31, and the arc-shaped inner peripheral surface (bearing surface) 32a ₁₁ along the outer peripheral surface thereof. It _{has 33a 11} (Fig. 6). As described above, each of the bearing bodies 32a and 33a has _{the lid 12a side of the protruding portions 32a 2} and 33a ₂ as a fixed end, and is opposite to the protruding portions 32a ₂ and 33a _{2 side of the bearing portions 32a 1} , 33a _1. It is supported by the lid 12a in a cantilever shape with the end of the free end. Each of the bearing bodies 32a and 33a of this example is formed as having flexibility capable of bending in the elastic region toward the outside in the radial direction of the _{bearing surfaces 32a 11} and 33a _11.

In the respective bearings 32 and 33, for example, the space between the free ends of the bearing bodies 32a and 33a (the ends of the bearing portions 32a ₁ , 33a ₁ ) and the outer wall surface of the lid body 12a is used as insertion ports 32b and 33b. be able to. However, in each of the bearings 32 and 33 of this example, as will be described later, the locking bodies 34 and 35 are provided, and the free ends of the bearing bodies 32a and 33a (the ends of the bearing portions 32a ₁ , 33a ₁ ). And the ends of the locking bodies 34 and 35 are used as insertion openings 32b and 33b (FIGS. 5 and 6).

The insertion ports 32b and 33b are opened in opposite directions in the direction orthogonal to the axis of the rotation shaft 31 (FIGS. 1, 5 and 6). In this example, one insertion port 32b is opened along the outer wall surface of the lid 12a and toward one of the inside in the direction orthogonal to the axis of the rotating shaft 31, and along the outer wall surface of the lid 12a and the rotating shaft. The other insertion port 33b is opened toward the other in the direction orthogonal to the axis of 31.

Further, the insertion ports 32b and 33b of this example are formed so as to be smaller than the diameter of the rotation shaft 31. As a result, in each of the bearings 32 and 33, it is possible to suppress the detachment of the rotating shaft 31 that supports the shaft from the insertion ports 32b and 33b. Each of the bearings 32, 33 of this example has locking bodies 34, 35 that lock the rotating shaft 31 pivotally supported by _{the bearing portions 32a 1} , 33a _{1 on the insertion ports 32b, 33b side.} , The space between the free ends of the bearing bodies 32a and 33a (the ends of the bearing parts 32a ₁ , 33a ₁ ) and the ends of the locking bodies 34 and 35 is used as the insertion ports 32b and 33b (FIGS. 5 and 6). .. Each of the locking bodies 34 and 35 holds the axial support state of the rotary shaft 31 by locking the movement of the rotary shaft 31 in the axial support state toward the respective insertion ports 32b and 33b. Is. Therefore, in the hinge structure 30 of this example, the _{rotating shaft 31 pivotally supported by the bearing portions 32a 1} , 33a ₁ is locked to the respective locking bodies 34 and 35, so that the respective insertion ports are inserted. Detachment from the insertion ports 32b and 33b is suppressed, and separation from the insertion ports 32b and 33b is suppressed by the insertion ports 32b and 33b smaller than the diameter of the rotation shaft 31.

The locking bodies 34 and 35 of this example are arranged to face the bearing bodies 32a and 33a on the insertion ports 32b and 33b side. The respective locking bodies 34 and 35 are projected from the outer wall surface of the lid body 12a. The respective locking bodies 34 and 35 of this example are themselves when the locking surfaces 34a and 35a arranged to face the bearing bodies 32a and 33a and the rotating shaft 31 are inserted from the respective insertion ports 32b and 33b. It has inclined surfaces 34b and 35b that guide the outer peripheral surface of the rotating shaft 31 toward the insertion openings 32b and 33b formed by the ends of the rotating shaft 31 (FIG. 6). Each of the locking surfaces 34a and 35a is a rectangular hanging surface protruding in the orthogonal direction from the outer wall surface of the lid 12a, and engages with a rotating shaft 31 pivotally supported by _{bearing portions 32a 1} and 33a _1. Stop. On the other hand, each of the inclined surfaces 34b and 35b is a rectangular wall surface that protrudes from the outer wall surface of the lid 12a toward the side portion of the locking surfaces 34a and 35a on the projecting direction side, and is formed from the locking surfaces 34a and 35a. As seen, they are arranged on the opposite side of the bearing bodies 32a and 33a. Here, the locking bodies 34 and 35 are formed in a triangular columnar shape having the locking surfaces 34a and 35a and the inclined surfaces 34b and 35b, respectively.

In each of the bearings 32 and 33 of this example, the free ends of the bearing bodies 32a and 33a (the ends of the bearing portions 32a ₁ , 33a ₁ ) and the ends of the locking bodies 34 and 35 (locking surfaces 34a and 35a). The intersection with the inclined surfaces 34b and 35b) is used as the insertion openings 32b and 33b (FIGS. 5 and 6). Therefore, here, the free ends of the bearing bodies 32a and 33a (the ends of the bearing portions 32a ₁ , 33a ₁ ) and the ends of the locking bodies 34 and 35 (locking surfaces 34a and 35a and the inclined surfaces 34b and 35b). _{The bearing portions 32a 1} , 33a ₁ and the locking bodies 34, 35 are formed so that the shortest distance between the bearing portions (intersection portions) is smaller than the diameter of the rotating shaft 31.

In the hinge structure 30 shown above, one end of the rotating shaft 31 is tilted with respect to its own axial direction when the rotating shaft 31 is pivotally supported by the bearings 32 and 33, respectively. Is arranged to face the insertion port 32b of one bearing 32, and the other end of the rotating shaft 31 is arranged to face the insertion port 33b of the other bearing 33 (FIG. 7). Then, in the hinge structure 30, one end of the tilted rotating shaft 31 is inserted from the insertion port 32b of one bearing 32 to the bearing portion 32a ₁ , and the tilted rotating shaft is inserted. By inserting the other end of 31 from the insertion port 33b of the other bearing 33 to the bearing 33a ₁ , the rotating shaft 31 is pivotally supported by the bearings 32 and 33, respectively (FIG. 8). At that time, the rotating shaft 31 is inserted up to the _{bearing portions 32a 1} and 33a ₁ while bending the bearing bodies 32a and 33a, respectively. In each of the bearing bodies 32a and 33a, the bending is eliminated when _{the rotating shaft 31 is inserted up to the bearing portions 32a 1} and 33a _1. Therefore, in the hinge structure 30, the rotating shaft 31 is pivotally supported by the bearings 32 and 33, respectively. In the hinge structure 30, the rotating shaft 31 is assembled to the bearings 32 and 33 in this way.

In the cover structure 1 of the electrical connection portion, the cover member 20 can be rotated around the axis of the rotating shaft 31 by assembling the rotating shaft 31 to the bearings 32 and 33, respectively. The cover member 20 is held by the lid member 12 in a closed position by the lock structure 40. The lock structure 40 is composed of, for example, a first engaging body 41 provided on the lid member 12 and a second engaging body 42 provided on the cover member 20 (FIGS. 1 to 5). The lock structure 40 holds the cover member 20 on the lid member 12 by locking the movement of the cover member 20 in the opening direction between the first engaging body 41 and the second engaging body 42 in the closed position (FIG. FIG. 2). Here, when the claw portion 41a of the first engaging body 41 and the claw portion 42a of the second engaging body 42 are arranged to face each other in the closed position and the cover member 20 tries to move in the open direction with respect to the lid member 12. By locking the claws 41a and 42a to each other, the cover member 20 is held by the lid member 12.

In the hinge structure 30, when the rotating shaft 31 in the shaft-supported state is removed from the respective bearings 32 and 33, one end of the rotating shaft 31 is pulled out from the insertion port 32b of the one bearing 32. , The other end of the rotating shaft 31 is pulled out from the insertion port 33b of the other bearing 33, one end of the rotating shaft 31 is arranged to face the insertion port 32b, and the other end of the rotating shaft 31 is arranged. It is necessary to arrange the end portion facing the insertion port 33b (FIG. 8 → 7). That is, in the hinge structure 30, in order to remove the rotating shaft 31 from the bearings 32 and 33, it is necessary to apply a load in opposite directions to both ends of the rotating shaft 31.

Here, when opening and closing the cover member 20, a load in the same direction between the open position and the closed position, which is orthogonal to the axial direction of the rotating shaft 31 with respect to both ends of the rotating shaft 31. Lo may be hung (Fig. 9). In the conventional hinge structure, the insertion ports of the respective bearings are opened in the same direction. Therefore, when the direction of the load Lo is directed to the insertion ports of the respective bearings, the rotation shaft is rotated from the respective insertion ports. May come out. However, in the hinge structure 30 of the present embodiment, the insertion ports 32b and 33b are opened in opposite directions in the direction orthogonal to the axis of the rotation shaft 31. Therefore, in the hinge structure 30, the direction of the load applied to both ends of the rotating shaft 31 when the rotating shaft 31 is removed from the respective bearings 32 and 33, and the opening position due to the opening and closing of the cover member 20. The direction of the load Lo that may act on both ends of the rotating shaft 31 between the and the closed position does not coincide with both ends of the rotating shaft 31. For example, in this hinge structure 30, the direction of the load applied to one end of the rotating shaft 31 when the rotating shaft 31 is removed from the respective bearings 32 and 33, and the open position due to the opening and closing of the cover member 20. Even if the direction of the load Lo that may act on one end of the rotating shaft 31 between the and the closed position is almost the same, the rotating shaft 31 is moved from the respective bearings 32 and 33. The direction of the load applied to the other end of the rotating shaft 31 when it is removed, and the possibility of acting on the other end of the rotating shaft 31 between the open position and the closed position as the cover member 20 opens and closes. The direction of the load Lo with a load is opposite to that of the load Lo. Therefore, in the hinge structure 30, even if a load Lo in the same direction at both ends is applied to the rotation shaft 31 between the open position and the closed position due to the opening and closing of the cover member 20, the load Lo is applied. The rotating shaft 31 can be kept in a shaft-supported state by the bearings 32 and 33, respectively.

As shown above, in the cover structure 1 of the electrical connection portion of the present embodiment, the rotating shaft 31 is connected to the respective bearings 32, 33 by the respective bearings 32, 33 having the insertion ports 32b, 33b opposite to each other. It can be kept in the bearing state with. Therefore, the cover structure 1 of the electrical connection portion can suppress the unintentional detachment of the cover member 20 from the accommodating component 10.

Further, in the cover structure 1 of the electrical connection portion of the present embodiment, by making the insertion ports 32b and 33b smaller than the diameter of the rotation shaft 31, the rotation shaft 31 is made of the bearings 32 and 33, respectively. It can be kept in the shaft support state. Therefore, the cover structure 1 of the electrical connection portion can suppress the unintentional detachment of the cover member 20 from the accommodating component 10 from this point as well.

Further, in the cover structure 1 of the electrical connection portion of the present embodiment, since the bearings 32 and 33 are provided with the locking bodies 34 and 35 on the insertion ports 32b and 33b side, the locking bodies 34, Combined with the locking function of the rotating shaft 31 by 35, the rotating shaft 31 can be kept in a shaft-supported state by the bearings 32 and 33, respectively. Therefore, the cover structure 1 of the electrical connection portion can suppress the unintentional detachment of the cover member 20 from the accommodating component 10 from this point as well.

By the way, in the hinge structure 30, in order to further enhance the function of holding the axial support state of the rotating shaft 31 by the respective bearings 32 and 33, the hinge structure 30 has the following rotating shafts 31 toward the insertion ports 32b and 33b. A pair of regulators 36, 37 that regulate movement may be provided (FIGS. 10 and 11). The pair of regulators 36, 37 are arranged between the bearings 32, 33, respectively. In this example, the pair of restrictors 36, 37 are projected from the outer wall surface of the lid 12a between the bearings 32, 33 in the axial direction of the rotating shaft 31. Further, the pair of restrictors 36, 37 _{sandwich the rotation shaft 31 pivotally supported by the bearing portions 32a 1} , 33a ₁ in the direction orthogonal to the axis of the rotation shaft 31, and insert the insertion ports 32b, respectively. It is arranged so as to regulate the movement of the rotating shaft 31 toward 33b.

The pair of restrictors 36, 37 of this example have locking surfaces 36a, 37a arranged to face each other with the rotation shaft 31 in the shaft-supported state in between, and the rotation shafts 31 inserted into the insertion ports 32b, 33b, respectively. It has inclined surfaces 36b and 37b that guide the outer peripheral surface of the rotating shaft 31 toward the gaps between the locking surfaces 36a and 37a when they are inserted from the above (FIG. 10). Each of the locking surfaces 36a and 37a is a rectangular hanging surface protruding in the orthogonal direction from the outer wall surface of the lid 12a, and engages with a rotating shaft 31 pivotally supported by _{bearing portions 32a 1} and 33a _1. Stop. On the other hand, the inclined surfaces 36b and 37b are rectangular wall surfaces protruding from the outer wall surface of the lid 12a toward the side portions of the locking surfaces 36a and 37a on the projecting direction side, and are formed from the locking surfaces 36a and 37a. Place it on the opposite side of the other party's regulator. Here, similarly to the locking bodies 34 and 35 shown above, the regulating bodies 36 and 37 are formed in a triangular columnar shape having the locking surfaces 36a and 37a and the inclined surfaces 36b and 37b, respectively.

In the cover structure 1 of the electrical connection portion of the present embodiment, by providing such a pair of restricting bodies 36, 37, the pair of restricting bodies 36, 37 also causes the rotating shaft 31 in the shaft-supported state. The movement toward the respective insertion ports 32b and 33b can be locked. Therefore, in the cover structure 1 of the electrical connection portion, the function of holding the axial support state of the rotating shaft 31 by the respective bearings 32 and 33 is further enhanced, so that the cover member 20 is unintentionally removed from the accommodating component 10. The effect of suppressing separation can be improved.

1 Cover structure of electrical connection point 10 Accommodating part 10a Opening 20 Cover member 30 Hinge structure 31 Rotating shaft 32, 33 Bearing 32a, 33a Bearing body 32a ₁ , 33a ₁ Bearing part 32a ₁₁ , 33a ₁₁ Bearing surface 32b, 33b Insertion port 34,35 Locking body 34b, 35b Inclined surface 36,37 Regulator 36b, 37b Inclined surface

Claims (3)

An accommodating component having an electrical connection inside and an opening capable of performing work related to the electrical connection.
A cover member that closes the opening and
A hinge structure that is rotatable between an open position and a closed position of the cover member with respect to the opening.
With
The hinge structure is provided on one of the accommodating component and the cover member, and the other of the accommodating component and the cover member, and the rotating shaft is provided on the other of the accommodating component and the cover member. It is equipped with two bearings that rotatably support each other on the wire at intervals.
Each of the bearings has a bearing body provided with a bearing portion that rotatably supports the outer peripheral surface of the rotating shaft, and the rotating shaft is inserted into the bearing portion along an intersecting direction with respect to the axis. With an insertion slot,
Each of the insertion openings is opened in a direction orthogonal to the axis and opposite to each other.
The hinge structure sandwiches the rotation shaft pivotally supported by each of the bearing portions between the bearings in a direction orthogonal to the axis, and the rotation shaft directed toward each insertion port. A cover structure for electrical connections, characterized by having a pair of regulators that regulate the movement of the bearings. Each of the bearing portions has an arcuate bearing surface along the outer peripheral surface of the rotating shaft.
Each of the bearing bodies has flexibility capable of bending in an elastic region toward the outside in the radial direction of the bearing surface.
The cover structure for an electrical connection portion according to claim 1, wherein each insertion port is formed so as to be smaller than the diameter of the rotation shaft. Each of the bearings has a locking body that locks the rotating shaft pivotally supported by the bearing portion on the insertion port side.
The cover structure for an electrical connection portion according to claim 1 or 2, wherein each insertion port is formed between an end portion of the bearing portion and an end portion of the locking body.

Images