JP7286236B2 - Electrical and electronic equipment storage cabinet - Google Patents

Description

The present invention relates to a cabinet for storing electrical and electronic equipment.

When a ground terminal is provided in a cabinet for storing electrical and electronic equipment, it is common to provide the ground terminal on a back plate in the housing or on a device mounting plate provided on the back plate. However, with such a configuration, there is a problem that the equipment mounting space becomes narrow. Therefore, as described in Japanese Unexamined Patent Application Publication No. 2002-200011, a structure has been proposed in which a ground terminal is installed at the corner of the front opening.

JP 2008-199863 A

However, in the case of the structure shown in Patent Document 1, a member used only for the ground terminal must be welded to the housing. There is a problem that the work at this time is troublesome and the number of parts increases. In addition, in the structure disclosed in Patent Document 1, since the portion to be the ground terminal portion is located inside the front opening of the front opening over the entire left-right direction, the ground terminal portion does not interfere with the storage of the equipment and the wiring work. There is a possibility that

The inventor of this case tried to solve the problem by earnestly studying this point. SUMMARY OF THE INVENTION The problem to be solved by the present invention is to secure equipment mounting space, save time and effort for mounting a ground terminal portion, and prevent the ground terminal portion from interfering with equipment storage and wiring work. .

In order to solve the above problems, a housing having a front surface formed by bending a side plate toward the front opening, a door covering the front opening of the housing, and a hinge member supported by the front surface of the housing are provided. and a cabinet for storing electrical and electronic equipment, wherein the hinge member is provided with a ground terminal portion used for attaching a ground wire, and at least a part of the ground terminal portion is positioned outside the front opening of the front opening. It shall be a cabinet for storing electric and electronic equipment.

In addition, the hinge member has an abutting portion arranged opposite to the front portion, and a ground terminal portion used for attaching a ground wire to the distal end side of the bent portion formed by bending the extended portion extending from the abutting portion. and the bent portion is preferably positioned outside the frontage of the front opening.

Moreover, it is preferable that the bent portion is arranged inside the housing.

Further, it is preferable that the ground terminal portion is configured to extend toward the center of the housing from the contact portion and obliquely rearward from the contact portion.

Further, the abutting portion of the hinge member is positioned inside the housing so as to face the front portion, and the lower hinge member supporting the lower side of the door includes a hinge bearing portion that rotatably supports the door. It is preferable that the contact portion of the hinge member is configured such that a portion positioned above the hinge bearing portion extends in the vertical direction.

Further, it is preferable that the abutting portion of the hinge member is provided with a positioning portion used for positioning the housing and the hinge member.

According to the present invention, it is possible to secure a space for mounting the device, save time and effort for mounting the ground terminal portion, and prevent the ground terminal portion from interfering with the storage of the device and the wiring work.

1 is a perspective view of an electric/electronic device storage cabinet according to an embodiment; FIG. FIG. 2 is an exploded perspective view of the electric/electronic device storage cabinet shown in FIG. 1 ; FIG. 2 is a perspective view of the housing shown in FIG. 1; FIG. 4 is a sectional view taken along line IV-IV of a portion surrounded by a dashed line in FIG. 3; It is a perspective view of a housing and an aperture plate. It is the perspective view which looked at the opening plate from the back side. FIG. 10 is a perspective view showing a state in the middle of attaching the opening plate to the housing; Fig. 3 is a perspective view of a hinge member; FIG. 9 is a perspective view of the hinge member viewed from a direction different from that of FIG. 8; FIG. 4 is a cross-sectional view taken along line XX of a portion surrounded by a dashed line in FIG. 3; FIG. 4 is a partial enlarged view of a lower hinge member located on the lower side of the electrical and electronic equipment storage cabinet; FIG. 4 is a partially enlarged view showing a state in which a hinge member is fixed to the front surface of the housing; FIG. 4 is a perspective view of a door stop member and a portion to which the door stop member is attached in the door viewed from the rear side; It is a side view of a door stop member. It is a top view of a door stop member. It is a rear view of the door which attached the door stop member. 17 is an XVII-XVII cross-sectional view around the door stop member in FIG. 16. FIG. It is a side view of the door which attached the door stop member. 19 is an XIX-XIX cross-sectional view around the door stop member in FIG. 18. FIG.

Modes for carrying out the invention are shown below. As can be seen from FIGS. 1 to 4, the cabinet 1 for storing electrical and electronic equipment of this embodiment has a front surface portion 13 formed by bending the side plate 11 toward the front opening portion 12 side. the housing 2, the door 3 covering the front opening 12 of the housing 2, and the hinge member 50 connecting the door 3 and the housing 2, the hinge member 50 being supported by the front surface 13 of the housing 2 It is a thing. The hinge member 50 of the cabinet 1 for storing electrical and electronic equipment includes a ground terminal portion 54 used for attaching a ground wire to the hinge member 50 , and at least a part of the ground terminal portion 54 extends outside the front opening 12 . Located in As a result, it is possible to secure a space for mounting the device, save time and effort for mounting the ground terminal portion 54, and prevent the ground terminal portion 54 from interfering with the housing of the device and the wiring work. Also, since the hinge member 50 is provided with the ground terminal portion 54, the number of parts can be reduced.

The hinge member 50 of the cabinet 1 for storing electrical and electronic equipment has a contact portion 51 facing the front portion 13, and a bent portion 53 formed by bending an extension portion 52 extending from the contact portion 51. A ground terminal portion 54 used for attaching a ground wire is provided on the tip side. A bent portion 53 obtained by bending the extension portion 52 extending from the contact portion 51 is positioned outside the frontage of the front opening portion 12 .

1, 2, and 5 to 7, the electrical and electronic equipment storage cabinet 1 of the embodiment has an opening 14 on at least one side surface. It has a body 2, a door 3 covering the front surface of the housing 2, and an opening plate 40 covering the opening 14. - 特許庁In addition, the opening 14 of the cabinet 1 for storing electrical and electronic equipment is formed in a notch shape continuing from the front side of the housing 2, and the opening plate 40 includes a guide portion 41 that sandwiches the edge of the opening 14, It is slidably attached to the opening 14 from the front side of the housing 2 . Therefore, it is possible to attach the opening 14 from the front side of the housing 2 .

Here, the configuration of the electrical/electronic device storage cabinet 1 will be described by taking the electrical/electronic device storage cabinet 1 of the embodiment as an example. An electric/electronic device storage cabinet 1 of the embodiment includes a housing 2 having a front opening 12 and a door 3 covering the front opening 12 of the housing 2 . In addition, the housing 2 of the embodiment is provided with openings 14 in the ceiling plate 15 and the bottom plate 16 so that incoming lines can be easily performed. The ends of the opening 14 of the embodiment are formed to protrude inwardly from the ends of the front face 13 , and the lateral width of the opening 14 is formed smaller than the width of the front face opening 12 . The opening 14 that is not used for incoming lines can be closed with an opening plate 40 .

The electrical/electronic device storage cabinet 1 of the embodiment is configured such that the opening plate 40 can be attached to the housing 2 only by working from the front side of the housing 2 . More specifically, the opening 14 is formed in a notch shape continuing from the front side of the housing 2 , and the opening plate 40 has a guide portion 41 that sandwiches the edge of the opening 14 . With this configuration, the opening plate 40 can be slidably attached to the opening 14 from the front side of the housing 2 . More specifically, the guide portion 41 has a slit 45 formed between the intermediate piece 48 and the rear bent piece 44, and the end of the opening 14 is sandwiched in the slit 45 so that the guide portion 41 can slide. Therefore, the degree of freedom in arranging the electrical/electronic device storage cabinet 1 can be increased.

The aperture plate 40 of the embodiment comprises an intermediate piece 48 capable of covering the aperture 14 of the housing 2 . It also has a front bent piece 42 that is screwed to the front portion 13 formed on the front side of the housing 2 . The front-side bent piece 42 is configured to extend upward or downward on the front side of the housing 2, and at least part of it is fixed at a location covered by the door 3 when the door 3 is closed. . For this reason, unless the door 3 is opened, the opening plate 40 cannot be removed from the housing 2, resulting in excellent security performance. The front bent piece 42 is provided with a screw hole 49 used for screw fixing.

Further, the aperture plate 40 of the embodiment includes a rear bent piece 44 configured to extend upward or downward on the rear side of the aperture plate 40 . The rear bent piece 44 is positioned so as to protrude toward the interior of the housing 2 . The rear bent piece 44 of the embodiment constitutes the guide portion 41 together with the intermediate piece 48 . In other words, the aperture plate 40 of the embodiment is configured such that the edge of the aperture 14 can be sandwiched between the intermediate piece 48 and part of the rear-side bent piece 44 .

In the opening plate 40 of the embodiment, the intermediate piece 48 faces the outer side of the edge of the opening 14 of the housing 2 and the rear bent piece 44 faces the inner side of the edge of the opening 14 so as to slide. configured to be movable. In order to make this possible, the right and left ends of the rear bent piece 44 of the embodiment are configured such that the portion adjacent to the intermediate piece 48 is constricted as if a part of the piece is notched.

The aperture plate 40 of the embodiment has a wiring fixing portion 43 used for fixing a power line or a communication line connected to an electric/electronic device installed in the housing 2 . The wiring fixing portion 43 of the example shown in FIG. By fixing the wiring using the wiring fixing portion 43 provided in the aperture plate 40, the wiring can be fixed using the space in the vicinity of the aperture plate 40, and the effective use of the space can be promoted. Further, when a hole is formed as the wire fixing portion 43, the number of parts can be reduced.

The housing 2 of the embodiment includes a front surface portion 13 that is vertically bent from the side plates 11 located on the left and right sides of the housing 2 toward the front opening portion 12 . Of these, one front face portion 13 (the left front face portion 13 in FIG. 3) is provided with a lock receiver 27 for a handle lock 37 provided on the door 3 . Further, hinge members 50 used for rotatably supporting the door 3 are attached to the other front face portion 13 (the right front face portion 13 in FIG. 3) with a vertical gap therebetween.

As understood from FIGS. 8 and 9, in the embodiment, the hinge member 50 attached to the housing 2 side is made of one metal member. The hinge member 50 has a contact portion 51 that abuts against the back surface of the front surface portion 13 of the housing 2 (inside the housing 2). Further, the extended portion 52 extending from the contact portion 51 in the opening frontage direction (left direction in FIG. 4) is bent to form a bent portion 53, and the ground terminal screw 91 is connected to the distal end side of the bent portion 53. A ground terminal portion 54 is provided. By using the ground terminal screw 91 provided in the ground terminal portion 54, the ground wire can be easily attached to and detached from the ground terminal portion 54. FIG. As described above, since the hinge member 50 is provided with the ground terminal portion 54, it is possible to save the trouble of attaching only the ground terminal portion 54 to the housing, and improve workability.

The bent portion 53 of the hinge member 50 is positioned outside the frontage of the front opening 12 . Therefore, it is possible to prevent the ground terminal portion 54 from coming into contact with the equipment during installation and wiring work, thereby improving workability. 4 and 10, in the embodiment, the bent portion 53 of the hinge member 50 is positioned inside the housing 2, more specifically, on the rear surface side of the front surface portion 13 of the housing 2. , is placed in Therefore, the ground terminal portion 54 is arranged in the vicinity of the rear surface side of the front portion 13 of the housing 2, which cannot be effectively used as an equipment mounting space. Therefore, since the ground terminal portion 54 is arranged at a position spaced apart from the equipment mounting space, the equipment mounting space can be effectively used. In addition, in the example shown in FIG. 4 , the entire ground terminal portion 54 is arranged outside the frontage of the front opening portion 12 . Therefore, it is possible to further improve the workability during the installation of the device and the wiring work.

The ground terminal portion 54 of the embodiment is configured to extend toward the center of the housing 2 from the contact portion 51 and obliquely rearward from the contact portion 51 . With this configuration, the ground terminal portion 54 can be oriented toward the front opening 12 of the housing 2, so that the ground terminal screw 91 of the ground terminal portion 54 can be tightened or loosened easily. Workability can be improved.

In the embodiment, a hinge bearing portion 55 extending perpendicularly to the front surface portion 13 is provided on the surface of the front surface portion 13 of the housing 2 (outside the housing 2). A bearing hole 56 is provided in the hinge bearing portion 55, and a hinge shaft 61 of a hinge portion 60 provided on the door 3 is fitted in the bearing hole 56, so that, as shown in FIG. The housing 2 and the door 3 are connected, and the door 3 can be supported. Further, in the embodiment, the contact portion 51 and the hinge bearing portion 55 are connected by a standing portion 57 projecting forward from the contact portion 51 . The standing portion 57 is a portion that extends perpendicular to both the contact portion 51 and the hinge bearing portion 55 .

By the way, among the hinge members 50 of the embodiment, the lower hinge member 50 installed on the lower side of the housing 2 may receive a relatively large load when the door 3 is opened and closed. When such a force is applied to the hinge member 50, the force applied from the hinge member 50 to the front surface portion 13 of the housing 2 increases. On the other hand, the contact portion 51 of the lower hinge member 50 of the embodiment is configured such that the portion positioned above the hinge bearing portion 55 extends in the vertical direction. A load applied from the door 3 exerts a force to rotate the hinge member 50 installed on the lower side. , and is in contact with the back surface of the front surface portion 13 so as to face it, it is possible to avoid a large load being locally applied to the front surface portion 13 from the hinge member 50 installed on the lower side. Therefore, there is no need to provide a separate reinforcing member, resulting in a reduction in the number of parts.

In the hinge member 50 of the embodiment, the contact portion 51 is positioned between the ground terminal portion 54 and the hinge bearing portion 55 . A positioning portion 58 is provided for use in setting. The positioning portion 58 of the embodiment has a convex shape, and by fitting the positioning portion 58 into the concave portion 17 provided in the front portion 13 of the housing 2, rough positioning is possible.

With such a configuration, the male screw 93 is inserted into the hole portion 59 provided at a location different from the positioning portion 58 while the hinge member 50 is fixed to the front portion 13 of the housing 2 using the positioning portion 58 . It can be inserted and screwed (see FIG. 12). In this way, the hinge member 50 does not rotate even during the screwing operation, resulting in good workability. In addition, it can be fixed by screwing only at one place. By using the positioning portion 58 in this manner, the number of parts can be reduced, and workability can be improved.

By the way, as can be understood from FIGS. 2 and 13, in the embodiment, the door stop member 70 is provided inside the door 3 . The doorstop member 70 has a claw 71 in the center, and the doorstop member 70 is attached to the door 3 by engaging the claw 71 with the opening 18 provided on the door 3 side. By the way, if the door stop member 70 only has the claw 71, if the door 3 is subjected to a strong impact when the door 3 is opened or closed, the latching of the claw 71 may be released and the door stop member 70 may come off. There is

Therefore, as can be understood from FIGS. 13 to 15, the doorstop member 70 of the embodiment has arms 72 above and below the claw 71 for holding the edge of the door 3 therebetween. The arm portion 72 has a front side piece 73 and a rear side piece 74 so as to sandwich the housing 2 from the front and rear directions. Further, a convex portion 75 is provided between the front side piece 73 and the rear side piece 74 .

On the other hand, as can be understood from FIG. A notch 19 is provided. When the door stop member 70 is attached to the door 3 from the end side of the door 3, the claw 71 is engaged with the opening 18 as shown in FIGS. 16 to 19 . Also, the arms 72 sandwich the edge of the door 3 , and the projection 75 formed between the front piece 73 and the rear piece 74 abuts the notch 19 . Therefore, impacts in the left-right direction can be received at the proximal end sides of the claws 71 and the arm portions 72 . In addition, with respect to the impact in the vertical direction, the projection 75 and the end of the notch 19 come into contact with each other, so that the impact can be received. As described above, the door stop member 70 can be prevented from falling off because of the structure capable of responding to vertical and horizontal impacts.

By the way, the doorstop member 70 of the embodiment abuts against the front surface portion 13 of the housing 2 (on the left side plate 11 side in FIG. 1) and functions as a doorstop. The doorstop member 70 is configured to have a projecting portion 76 projecting to the rear surface side. In addition, the housing 2 has an opening 21 in the front surface portion 13 , and the projecting portion 76 is configured to fit into the opening 21 when the door 3 is closed. With such a configuration, it is possible to prevent door sagging.

The electrical/electronic device storage cabinet 1 of this embodiment has a vertically symmetrical structure. Therefore, by turning the housing 2 upside down and changing the direction of the handle provided on the door 3, the left and right opening of the door 3 can be changed. In other words, the user can select the opening/closing method of the door 3 and install the cabinet 1 . Therefore, for example, even if it is intended to use a left-opening device that has been used in a right-opening state, there is no need to replace the hinge member 50 or the door stop member 70, and there is no need to change their positions. do not have. Therefore, it is possible to reduce the number of parts to be prepared, and to suppress the labor of the work.

Although the present invention has been described above using the embodiments as examples, the present invention is not limited to the above-described embodiments, and various aspects are possible. For example, although the embodiment uses a pivot hinge, it is not limited to this type of hinge.

The wiring fixing portion provided in the opening plate need not be limited to the hole, and the wiring fixing member may be provided in the opening plate. Also, the wire fixing portion need not be provided on the rear bent piece, and may be provided anywhere on the opening plate.

1 Cabinet for storing electrical and electronic equipment 2 Housing 3 Door 11 Side plate 12 Front opening 13 Front portion 50 Hinge member 51 Contact portion 52 Extension portion 53 Bending portion 54 Ground terminal portion 55 Hinge bearing portion 58 Positioning portion

Claims (6)

A housing having a front surface formed by bending a side plate toward the front opening, a door covering the front opening of the housing from the outside of the housing , a hinge member supported by the front surface of the housing, , wherein the hinge member is provided with a ground terminal portion used for attaching a ground wire, at least a part of the ground terminal portion is located outside the front opening of the front opening and A cabinet for storing electrical and electronic equipment located on the back side of the front part of the housing . The hinge member has an abutment portion arranged opposite to the front surface portion, and a ground terminal portion used for attaching a ground wire to the distal end side of the bent portion formed by bending the extended portion extending from the abutment portion. 2. The cabinet for storing electrical and electronic equipment according to claim 1, wherein the bent portion is located outside the frontage of the front opening. 3. A cabinet for storing electrical and electronic equipment according to claim 2, wherein the bent portion is arranged inside the housing. 4. The cabinet for storing electrical and electronic equipment according to claim 3, wherein the ground terminal portion is configured to extend toward the center of the housing from the contact portion and obliquely to the rear of the contact portion. The contact portion of the hinge member is positioned inside the housing so as to face the front portion, and the lower hinge member supporting the lower side of the door includes a hinge bearing portion that rotatably supports the door. 5. The cabinet for storing electrical and electronic equipment according to claim 2, wherein the abutment portion of the abutment portion is configured such that a portion positioned above the hinge bearing portion extends in the vertical direction. 6. The cabinet for storing electrical and electronic equipment according to claim 2, wherein the abutting portion of the hinge member is provided with a positioning portion used for positioning the housing and the hinge member.

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