JP7156919B2 - Cover and junction box - Google Patents

Description

The present invention relates to covers and electrical connection boxes.

BACKGROUND ART As a cover that covers an electronic device such as a fuse unit, there is a cover that has a structure for preventing forgetting to fasten a nut that fastens a terminal to a bolt of the fuse unit (see, for example, Patent Document 1).
This cover is provided with a protrusion having a height that does not interfere with the nut at the tightening position but interferes with the nut at the position other than the tightening position on the inner surface of the position corresponding to the nut of the fuse unit. A thin-walled portion is formed around the portion where the thickness is reduced. In this cover, if the protrusion interferes with a nut that has not been tightened to the tightening position, the thin-walled portion around the protrusion is stretched and whitened. As a result, it is possible to visually recognize that the nut has not been tightened.

JP 2014-17311 A

With the cover described above, it was possible to confirm that the nut had not been tightened to the tightening position, but it was not possible to confirm that the nut had not been attached to the bolt.

SUMMARY OF THE INVENTION The present invention has been made in view of the circumstances described above, and an object of the present invention is to provide a cover and an electric connection box including the same that enable easy confirmation of missing fastening members.

The above objects of the present invention are achieved by the following configurations.
(1) A cover to be attached to an attached body having a fastening portion to which a part is fastened by a fastening member,
a plate-shaped portion covering the fastening portion;
a member detection unit that is displaceable along the fastening direction of the fastening member with respect to the plate-like portion and is visible from the outside of the plate-like portion;
In a mounted state in which the fastening member is attached to the fastening portion, the member detection portion contacts the fastening member and moves relative to the plate-like portion from an initial position before contact with the fastening member. displaced,
The cover is characterized in that, in a non-attached state in which the fastening member is not attached to the fastening portion, the member detection portion is maintained at the initial position.

According to the cover having the configuration of (1) above, the member detecting portion visible from the outside of the plate-shaped portion is in contact with the fastening member and attached to the plate-shaped portion when the fastening member is attached to the fastening portion. , and is maintained at the initial position in a non-attached state in which the fastening member is not attached to the fastening portion. Accordingly, it is possible to easily and accurately confirm whether the fastening member covered by the cover is attached or not by visually checking the member detection portion of the cover attached to the attached body to confirm whether or not there is any displacement. As a result, it is possible to prevent the fastening member from being distributed in a non-mounted state where the fastening member is out of stock.
In addition, compared to the case of forming a large viewing window for directly visually confirming the presence or absence of the fastening member, it is possible to eliminate problems such as inadvertent contact of foreign solids with internal parts, and improve safety. .
Furthermore, by confirming the amount of displacement of the member detecting portion, it is possible to confirm whether or not the fastening member attached to the fastening portion is in an unfastened state.

(2) The member detection unit
a flexible arm portion integrally formed with the plate-like portion and extending along the outer surface of the plate-like portion;
a contact piece projecting from the swinging end of the flexible arm portion toward a mounting position of the fastening member in the fastening portion;
When the contact piece comes into contact with the fastening member attached to the fastening portion, the flexible arm portion is deformed and displaced relative to the plate-like portion. The cover according to (1).

According to the cover having the configuration of (2) above, when the cover is attached to the object to be attached, if the fastening member is attached to the fastening portion, the contact piece can be brought into contact with the fastening member. The flexible arm portion is deformed, and the flexible arm portion is displaced relative to the plate-like portion. Therefore, by visually confirming the displacement caused by the deformation of the flexible arm portion, it is possible to easily and accurately confirm whether or not the fastening member is attached.

(3) the flexible arm portion protrudes from the outer surface of the plate-like portion when the contact piece abuts against the fastening member attached to the fastening portion;
The cover according to (2) above, wherein a projection dimension of the flexible arm portion from the outer surface of the plate-like portion is smaller than a thickness of the flexible arm portion.

According to the cover having the configuration (3) above, the length of protrusion of the flexible arm portion from the outer surface of the plate-like portion is smaller than the thickness of the flexible arm portion. As a result, even if the flexible arm portion protrudes from the outer surface of the plate-like portion, no gap is formed between the plate-like portion and the arm portion in the thickness direction of the plate-like portion, thereby ensuring safety. can be secured.

(4) The member detection unit
A rod that is inserted into and held in a hole formed in the plate-like portion,
The above ( 1) The cover described in 1).

According to the cover having the configuration of (4) above, when the cover is attached to the attached body, if the fastening member is attached to the fastening portion, the tip of the cover abuts the fastening member and the rod body is displaced. As it moves, the bar is displaced relative to the plate-like portion. Therefore, by visually confirming the displacement caused by the movement of the rod, it is possible to easily and accurately confirm whether the fastening member is attached or not.

(5) the cover according to any one of (1) to (4) above;
The electrical connection box, comprising: a case, which is the mounted body, and includes, as the parts, a plurality of bus bars that are superimposed on the fastening portion and fastened together by the fastening member.

According to the electrical connection box having the configuration (5) above, by attaching the cover to the case, the presence or absence of the fastening member can be easily detected by the member detecting portion of the cover. Therefore, it is possible to prevent the busbars from circulating without being fastened together, and reliability can be improved.

ADVANTAGE OF THE INVENTION According to this invention, the cover which can confirm the missing part of a fastening member easily, and an electric junction box provided with the same can be provided.

The present invention has been briefly described above. Furthermore, the details of the present invention will be further clarified by reading the following detailed description of the invention (hereinafter referred to as "embodiment") with reference to the accompanying drawings. .

1 is an exploded perspective view of an electric junction box having a cover and a case according to a first embodiment of the invention; FIG. It is a perspective view of the cover and case which concern on the 1st Embodiment of this invention. 1 is an overall perspective view of an electrical connection box according to a first embodiment; FIG. FIG. 3 is a cross-sectional view along the fastening direction showing a part of the cover and case shown in FIG. 2 ; FIG. 4 is a plan view of the electrical junction box shown in FIG. 3; It is a figure which shows a movement of a figure member detection part, Comprising: (a) and (b) are sectional drawing along a fastening direction which shows a part of cover and case, respectively. It is a cross-sectional view along the fastening direction showing a part of the cover and the case showing a modification of the member detection unit. It is sectional drawing along a fastening direction which shows a part of cover and case which concern on 2nd Embodiment of this invention. 9A and 9B are cross-sectional views along the fastening direction showing a part of the cover and the case, respectively, showing the movement of the member detection unit shown in FIG. 8 ; FIG.

Hereinafter, examples of embodiments according to the present invention will be described with reference to the drawings.
FIG. 1 is an exploded perspective view of an electrical connection box 1 having a cover 10 and a case 50 according to a first embodiment of the invention. FIG. 2 is a perspective view of the cover 10 and case 50 according to the first embodiment. FIG. 3 is an overall perspective view of the electrical connection box 1 according to the first embodiment.

As shown in FIGS. 1 to 3, the cover 10 according to the first embodiment of the present invention is attached to the upper portion of a case 50, which is an attached body, to constitute the electrical junction box 1. As shown in FIGS.

The cover 10 is integrally molded from an insulating synthetic resin. The cover 10 has a plate-like portion 11 and a peripheral wall portion 12 . The peripheral wall portion 12 is integrally formed so as to surround the plate-like portion 11 . The cover 10 has a locking piece 15 having a claw portion 14 formed on side surfaces 13 of the peripheral wall portion 12 opposite to each other. The locking piece 15 extends in the mounting direction to the case 50 . The claw portion 14 is formed at the tip of the locking piece 15 and protrudes outward from the cover 10 .

The cover 10 has a member detection section 20 . The member detection unit 20 according to the first embodiment is defined by a U-shaped slit 23 and is formed integrally with the plate-like portion 11 . The slit 23 is set to an opening width that prevents foreign solid objects (fingers, tools, wires, etc.) from inadvertently touching internal parts.

The cover 10 has a component mounting concave portion 26 and a terminal accommodating portion 27 . The component mounting recess 26 is formed integrally with the plate-like portion 11 . For example, electrical components such as fuses and relays are fitted into the component mounting recesses 26 from above. The terminal accommodating portion 27 is formed in the peripheral wall portion 12 of the cover 10 and has an accommodating hole 28 penetrating vertically.

A case 50 on which the cover 10 is mounted is integrally formed of insulating synthetic resin. The case 50 has an outer wall portion 51 , and the inner side surrounded by the outer wall portion 51 serves as a housing portion 52 . The case 50 is provided with two fastening portions 53 and 54 . The fastening portions 53 and 54 have a flat bearing surface 55 and a stud bolt 56 erected at the center of the bearing surface 55 . Further, the case 50 is formed with a locking portion 59 having an insertion hole 58 on side surfaces 57 of the outer wall portion 51 opposite to each other.

Two bus bars (parts) 70 and 80 are assembled in the housing portion 52 of the case 50 . The busbars 70 and 80 are formed by bending a conductive metal thin plate such as copper or aluminum. One end of the bus bar 70 is a fastening end 71 , and a bolt insertion hole 73 is formed in the fastening end 71 . The other end of the bus bar 70 is a connection end 74 that is bent upward. The bus bar 80 has fastening ends 81 and 82 at both ends, and bolt insertion holes 83 are formed in these fastening ends 81 and 82 .

The bus bar 70 is housed in the housing portion 52 of the case 50 with the stud bolt 56 of one fastening portion 53 inserted into the bolt insertion hole 73 of the fastening end 71 and the connection end 74 projecting upward. . The stud bolt 56 of one fastening portion 53 is inserted into the bolt insertion hole 83 of the fastening end 81 at one end of the bus bar 80 , and the stud bolt of the other fastening portion 54 is inserted into the bolt insertion hole 83 of the fastening end 82 of the other end. It is housed in the housing portion 52 of the case 50 with the 56 inserted therethrough. In one fastening portion 53 , the fastening end 71 of one busbar 70 overlaps the fastening end 81 of the other busbar 80 .

Nuts (fastening members) 90 are screwed into and fastened to the fastening portions 53 and 54 of the case 50 . These nuts 90 are flanged hex nuts having a flange portion 91 . Note that the nut 90 is not limited to a flanged hexagonal nut, and a general hexagonal nut without the flange portion 91 may be used.

In one fastening portion 53 of the case 50, the nut 90 is screwed onto the stud bolt 56 and fastened, so that the fastening ends 71, 81 of the two bus bars 70, 80 are superimposed on the seat surface 55. and the nut 90 are clamped and tightened together. The busbars 70 and 80 are thereby electrically connected. In the other fastening portion 54 of the case 50 , a nut 90 is screwed onto the stud bolt 56 so that the fastening end 82 of the bus bar 80 is clamped and fixed between the seat surface 55 and the nut 90 .

The case 50 is covered with the cover 10 from above, and the peripheral wall portion 12 of the cover 10 is arranged on the outer surface side of the outer wall portion 51 of the case 50 . When the cover 10 is put on the case 50 , the locking piece 15 is inserted into the insertion hole 58 of the case 50 , so that the claw portion 14 of the locking piece 15 locks the locking portion 59 . Thereby, the cover 10 is attached to the upper portion of the case 50 . In the case 50 , the plate-like portion 11 of the cover 10 covers the upper portion of the accommodating portion 52 excluding the fastening portion 54 to which the fastening end 82 of the busbar 80 is fastened and fixed. Further, by attaching the cover 10 to the case 50 , the connection ends 74 of the busbars 70 assembled to the case 50 are inserted into the accommodation holes 28 of the terminal accommodation portions 27 and accommodated.
The electrical connection box 1 according to the first embodiment is configured such that the upper side of the cover 10 attached to the case 50 is further covered with a lid (not shown).

Next, the member detector 20 provided on the cover 10 will be described.
FIG. 4 is a sectional view along the fastening direction showing a part of the cover 10 and the case 50 shown in FIG. FIG. 5 is a plan view of case 50 shown in FIG.

As shown in FIG. 4 , the member detector 20 according to the first embodiment is formed integrally with the plate-like portion 11 of the cover 10 . The member detection section 20 has a flexible arm section 21 and a contact piece 22 formed at the tip (swing end) of the flexible arm section 21 . The flexible arm portion 21 is formed integrally with the plate-like portion 11 at its base end formed in a cantilever shape by the slit 23 and extends along the upper surface (outer surface) 11 a of the plate-like portion 11 . The flexible arm portion 21 is formed so as to be slightly inclined with respect to the upper surface 11 a of the plate-like portion 11 toward the mounting side of the case 50 . As a result, the distal end of the flexible arm portion 21 having the contact piece 22 is arranged below the upper surface 11 a of the plate-like portion 11 , which is the mounting side to the case 50 . The contact piece 22 protrudes from the tip of the flexible arm portion 21 toward the mounting side of the case 50 . The contact piece 22 protrudes in a direction substantially orthogonal to the extending direction of the flexible arm portion 21 .

The contact piece 22 has a tapered portion 24 at its tip. The tapered portion 24 is formed on the surface of the contact piece 22 opposite to the flexible arm portion 21 , and is gradually inclined toward the flexible arm portion 21 toward the tip, which is the mounting side to the case 50 . .

As shown in FIG. 5, in the member detection unit 20 according to the first embodiment, when the cover 10 is attached to the case 50, the contact piece 22 is the stud bolt of the fastening portion 53 of the case 50 in plan view. It is formed at a position overlapping a nut 90 fastened to 56 .

Next, the movement of the member detection unit 20 when the cover 10 is attached to the case 50 will be described.
FIGS. 6A and 6B are diagrams showing the movement of the member detection unit 20, and FIGS. 6A and 6B are cross-sectional views along the fastening direction showing a part of the cover and the case, respectively.

As shown in (a) of FIG. 6 , when the cover 10 is attached to the case 50 , the contact piece 22 of the member detection unit 20 is connected to the fastening portion 53 at the fastening end 71 of the busbars 70 and 80 . , 81 are abutted on the upper end of the nut 90 which is fastened and fixed. As a result, the flexible arm portion 21 of the member detecting portion 20 is elastically deformed and displaced upward, and the distal end side of the flexible arm portion 21 protrudes above the upper surface 11 a of the plate-like portion 11 .

On the other hand, as shown in (b) of FIG. Piece 22 does not abut nut 90 . Therefore, the member detection section 20 maintains the state in which the flexible arm section 21 is arranged at the initial position.

When the cover 10 is attached to the case 50, the cover 10 is displaced in the direction perpendicular to the attachment direction, and the contact piece 22 is biased toward the stud bolt 56. There is Even in such a case, since the contact piece 22 has the taper portion 24 formed at the tip portion thereof, interference of the tip portion of the contact piece 22 with the upper end portion of the stud bolt 56 is suppressed. be.

As described above, according to the cover 10 of the first embodiment, the member detecting portion 20 visible from the outside of the plate-like portion 11 fastens and fixes the fastening ends 71 and 81 of the bus bars 70 and 80. When the nut 90 is attached to the stud bolt 56, the flexible arm portion 21 is elastically deformed and displaced. Specifically, when the cover 10 is attached to the case 50 , if the nut 90 is attached to the fastening portion 53 , the contact piece 22 of the member detection portion 20 can be brought into contact with the nut 90 . The flexible arm portion 21 is deformed and displaced relative to the plate-like portion 11 . Therefore, it is possible to easily and accurately confirm whether the nut 90 is attached or not by visually checking the member detection portion 20 of the assembled electric connection box 1 to check whether there is any displacement.

By the way, the bus bars 70 and 80 that are superimposed at the fastening portion 53 may come into contact with each other even if they are not tightened together with the nut 90, and may be electrically connected. There is a risk that it will pass inspection and be distributed.

In the electrical connection box 1 having the cover 10 according to the first embodiment, it is possible to easily and accurately confirm whether or not the nut 90 covered with the cover 10 is attached. It is possible to prevent the nut 90 for tightening the ends 71 and 81 from being distributed in a non-mounted state, thereby improving reliability.

In addition, compared to the case of forming a large viewing window for directly visually confirming the presence or absence of the nut 90, it is possible to eliminate problems such as inadvertent contact of foreign solids with internal parts, and improve safety. . Furthermore, by confirming the amount of displacement of the member detection section 20, it is also possible to confirm whether or not the nut 90 attached to the fastening section 53 is in an unfastened state.

In addition, in the member detection unit 20 according to the first embodiment, the tip of the contact piece 22 contacts the upper end of the nut 90 that fastens and fixes the fastening ends 71 and 81 of the bus bars 70 and 80 to form a plate-like portion. The flexible arm portion 21 projecting from the upper surface 11 a of the flexible arm portion 11 is set so that the projecting dimension P is smaller than the thickness (thickness) T of the flexible arm portion 21 . Therefore, even if the member detecting portion 20 is displaced and the distal end side of the flexible arm portion 21 protrudes from the upper surface 11a of the plate-like portion 11, there is no plate-like portion 11 between the plate-like portion 11 and the flexible arm portion 21. A gap is not formed in the thickness direction, and safety can be ensured.

In the above-described first embodiment, the flexible arm portion 21 is set to project from the upper surface 11 a of the plate-like portion 11 by contacting the tip of the contact piece 22 with the nut 90 . However, the present invention is not limited to this, and the flexible arm portion 21 may be set flush with the upper surface 11a of the plate portion 11 as shown in FIG.
In addition, in the first embodiment, the member detection unit 20 is formed integrally with the plate-like portion 11 of the cover 10. It may be connected by a hinge or the like.

Next, a cover according to a second embodiment of the invention will be described.
FIG. 8 is a cross-sectional view along the fastening direction showing a part of the cover 10A and the case 50 according to the second embodiment of the invention. Constituent members of the cover 10A of the second embodiment that are the same as those of the cover 10 of the first embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 8, a cover 10A according to the second embodiment of the present invention includes a pin-type member detection portion 20A. The member detecting portion 20A is inserted and held in a hole portion 30 formed in the plate-like portion 11 of the cover 10A. The member detection unit 20A has a main body 31 made of a rod. The front end of the body portion 31 is formed in a half-split shape to form a pair of locking portions 32 . The locking portion 32 has a locking claw 33 projecting outward. A movement restricting plate portion 35 having a larger diameter than the hole portion 30 into which the body portion 31 is inserted is formed at the rear end of the body portion 31 . Further, the main body portion 31 has a holding protrusion 37 protruding toward the outer peripheral side at an intermediate portion in the axial direction. The distance between the movement restricting plate portion 35 and the holding protrusion 37 is approximately the same size as the thickness of the plate-like portion 11 of the cover 10A.

The member detecting portion 20A of the second embodiment is inserted into the hole portion 30 formed in the plate-like portion 11 of the cover 10A from above the cover 10A so that the locking portion 32 faces the movement restricting plate portion 35. It is in contact with the upper surface 11a. In this state, the holding protrusion 37 is arranged on the back side of the plate-like portion 11 in the member detecting portion 20A. The member detecting portion 20</b>A is held by the plate-like portion 11 by inserting the inner edge portion of the hole portion 30 of the plate-like portion 11 between the movement restricting plate portion 35 and the holding projection 37 . Further, the member detecting portion 20A inserted into the hole portion 30 of the plate-like portion 11 is prevented from coming off from the hole portion 30 by the locking claw 33 of the locking portion 32 at the tip thereof.

Next, the movement of the member detection section 20A according to the second embodiment will be described.
9A and 9B are diagrams showing the movement of the member detection unit 20A shown in FIG. 8, and FIG. 9A and FIG. It is a cross-sectional view along the .

As shown in (a) of FIG. 9, when the cover 10A is attached to the case 50, the member detecting portion 20A has a fastening portion 53 at its tip, which fastens and fixes fastening ends 71 and 81 of the bus bars 70 and 80. It abuts on the upper end of the nut 90 that is on. As a result, the member detecting portion 20A held by the plate-like portion 11 is moved with respect to the plate-like portion 11 by being pressed by the body portion 31, and is displaced upward. The rear end side of the member detecting portion 20</b>A protrudes upward from the plate-like portion 11 , and the holding projection 37 passes through the hole portion 30 and is arranged on the upper surface 11 a side of the plate-like portion 11 .

On the other hand, as shown in (b) of FIG. 9, when the nuts 90 for fastening and fixing the fastening ends 71 and 81 of the bus bars 70 and 80 are not attached to the stud bolts 56, the member detection unit 20A is not abutted against the nut 90 . Therefore, the member detecting portion 20A held by the plate-like portion 11 maintains its initial position.

Therefore, according to the cover 10A according to the second embodiment, the member detecting portion 20A visible from the outside of the plate-like portion 11 is configured such that the nuts 90 for fastening and fixing the fastening ends 71, 81 of the bus bars 70, 80 are studs. When attached to the bolt 56 , the amount of protrusion of the rear end side of the main body portion 31 from the plate-like portion 11 increases. Therefore, by visually checking the member detecting portion 20A of the assembled electric connection box 1 and confirming the displacement, it is possible to determine whether or not the nuts 90 for fastening and fixing the fastening ends 71, 81 of the bus bars 70, 80 are securely attached. can be accurately confirmed.

It should be noted that the present invention is not limited to the above-described embodiments, and can be modified, improved, etc. as appropriate. In addition, the material, shape, size, number, location, etc. of each component in the above-described embodiment are arbitrary and not limited as long as the present invention can be achieved.

For example, in each of the above embodiments, the busbars 70 and 80 are fastened together with the nut 90, but the parts to be fastened and fixed with the nut 90 are not limited to the busbars 70 and 80.

Further, in each of the above-described embodiments, the stud bolt 56 erected on the fastening portion 53 is fastened by screwing the nut 90 as a fastening member. It can also be applied to a structure in which a bolt is screwed into a female thread as a fastening member.

Here, the features of the embodiments of the cover and the electric connection box according to the present invention described above are briefly listed in [1] to [5] below.
[1] A cover to be attached to an attached body (case 50) having fastening portions (53) to which parts (bus bars 70, 80) are fastened by fastening members (nuts 90),
a plate-like portion (11) covering the fastening portion (53);
A member detection part (20, 20A) and
When the fastening member (nut 90) is attached to the fastening portion (53), the member detection portion (20, 20A) contacts the fastening member (nut 90) and the fastening member (nut 90) is in contact with the fastening member (nut 90). ) is relatively displaced from the initial position before contact with the plate-like portion (11),
The cover (10, 10A) is maintained at the initial position in a non-attached state in which the fastening member (nut 90) is not attached to the fastening portion (53).
[2] The member detection unit (20)
a flexible arm portion (21) integrally formed with the plate-like portion (11) and extending along the outer surface of the plate-like portion (11);
a contact piece (22) projecting from the swinging end of the flexible arm portion (21) toward the mounting position of the fastening member (nut 90) in the fastening portion (53);
When the contact piece (22) comes into contact with the fastening member (nut 90) attached to the fastening portion (53), the flexible arm portion (21) is deformed and the plate-like portion (11) is deformed. ), the cover (10) according to [1] above.
[3] The flexible arm portion (21) moves the plate-like portion (11) when the contact piece (22) abuts against the fastening member (nut 90) attached to the fastening portion (53). ) protrudes from the outer surface (upper surface 11a) of
The projecting dimension (P) of the flexible arm portion (21) from the outer surface (upper surface 11a) of the plate-like portion (11) is made smaller than the thickness (T) of the flexible arm portion (21). A cover (10) according to [2], characterized in that
[4] The member detection unit (20A)
It consists of a rod body (body portion 31) that is inserted into and held in a hole (30) formed in the plate-like portion (11),
When the tip of the rod body (main body portion 31) abuts against the fastening member (nut 90) attached to the fastening portion (53), the rod body (main body portion 31) moves to form the plate shape. The cover (10A) according to the above [1], characterized in that it is displaced relative to the portion (11).
[5] The cover (10, 10A) according to any one of [1] to [4] above;
a case (50), which is the mounted body, and has, as the parts, a plurality of bus bars (70, 80) that are superimposed on the fastening portion (53) and fastened together by the fastening member (the nut 90); An electrical connection box (1), comprising:

REFERENCE SIGNS LIST 1... Electric connection box 10... Cover 11... Plate-like portion 11a... Upper surface (outer surface)
20... Member detecting portion 21... Flexible arm portion 22... Contact piece 50... Case (attached body)
53: Fastening portions 70, 80: Busbar (parts)
90 ... Nut (fastening member)

Claims (5)

A cover to be attached to an attached body having a fastening portion to which a part is fastened by a fastening member,
a plate-shaped portion covering the fastening portion;
a member detection unit that is displaceable along the fastening direction of the fastening member with respect to the plate-like portion and is visible from the outside of the plate-like portion;
In a mounted state in which the fastening member is attached to the fastening portion, the member detection portion contacts the fastening member and moves relative to the plate-like portion from an initial position before contact with the fastening member. displaced,
The cover is characterized in that, in a non-attached state in which the fastening member is not attached to the fastening portion, the member detection portion is maintained at the initial position. The member detection unit is
a flexible arm portion integrally formed with the plate-like portion and extending along the outer surface of the plate-like portion;
a contact piece projecting from the swinging end of the flexible arm portion toward a mounting position of the fastening member in the fastening portion;
The flexible arm portion is deformed and relatively displaced with respect to the plate-like portion when the contact piece abuts against the fastening member attached to the fastening portion. A cover according to item 1. The flexible arm portion protrudes from the outer surface of the plate-like portion when the contact piece abuts against the fastening member attached to the fastening portion,
3. The cover according to claim 2, wherein the projecting dimension of the flexible arm portion from the outer surface of the plate-like portion is smaller than the thickness of the flexible arm portion. The member detection unit is
A rod that is inserted into and held in a hole formed in the plate-like portion,
3. The rod is moved and relatively displaced with respect to the plate-like portion by contacting the tip of the rod with the fastening member attached to the fastening portion. 1. The cover according to 1. A cover according to any one of claims 1 to 4;
An electrical junction box, comprising: a case, which is the mounted body, and has a plurality of bus bars as the parts that are superimposed on the fastening portion and fastened together by the fastening member.

Images