JP2014075404A - Door holding member of box for housing electric apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door holding member of a box for housing an electric apparatus that can hold a door reliably in open state, without requiring any processing of the housing or the door.SOLUTION: A door holding member of a box for housing an electric apparatus holds a door 2 pivotally connected by a hinge, at a door opening position to a housing 1 including a drip part 6 of the box for housing an electric apparatus. A drip engaging part 10 engaging with the drip part 6 at the upper or lower part of the housing 1 from the outside is coupled integrally, through a coupling part 12, with a door engaging part 11 engaging with the side end 9 at the upper or lower part of the door 2, and fitted to the drip part 6 and the side end 9 of the door from the axial direction of the hinge when being used. Preferably, a drop-preventing piece 18 abutting against the drip part 6 or the side end 9 of the door 2 is provided.

Description

  The present invention relates to a door holding member of an electric equipment storage box for holding the door of the electric equipment storage box in an open state.

  When installing equipment or wiring work inside the housing of the electrical equipment storage box, the door is opened and the work is performed, but if the opened door is closed carelessly due to impact or strong wind, May be dangerous. For this reason, it is necessary to keep the door stably in the open state during the operation.

  Therefore, a door holding member is disposed between the housing and the door, and the door is stably held in the open state. One example is as shown in Patent Document 1. This door holding member has a stopper locking device fixed to the bottom of the opening of the housing, a stopper position variable locking device fixed to the inner bottom of the door, and a rod-shaped locking member is spanned between them. This structure stably holds the door in the open state.

  As described above, the structure in which the stopper locking tool and the stopper position variable locking tool are fixed to the housing and the door need to be drilled in the housing and the door. However, in the case of electrical equipment storage boxes, it is often impossible to drill holes in a housing or door for waterproofing.

  Although it is possible to keep the door open by inserting a hard member into the gap formed between the door and the case when the door is opened, a large force is applied to the part close to the rotation axis of the door. Therefore, there is a possibility that the hard member may deform the door.

JP 2005-314974 A

  Therefore, the object of the present invention is to solve the above-mentioned conventional problems, and it is not necessary to process the housing and the door, and the door holding of the electric equipment storage box that can securely hold the door in the open state. It is to provide a member.

  The present invention made in order to solve the above-described problems is an electrical equipment storage box that holds a door pivotally attached to a housing provided with a draining portion of an electrical equipment storage box by a hinge shaft in an open position. A door holding member, a drainage engaging portion that is engaged with the drainage portion of the housing from the outside and a door engagement portion that is engaged with a side end portion of the door are integrally connected via a connecting portion. It is characterized by being used by fitting into at least one draining portion and a side end portion of the door among the upper and lower portions of the electrical equipment storage box from the hinge axis direction.

  As in claim 2, the door holding member of the present invention preferably has a drop-off prevention piece, and the drop-off prevention piece is preferably in contact with a draining portion or a side end portion of the door. Further, as in claim 4, it is preferable that the drop-off preventing piece is rotatable, and as in claim 5, the door holding member preferably includes a temporary holding portion for temporarily holding the drop-off preventing piece. .

  The door holding member of the electrical equipment storage box of the present invention is used by fitting into the draining portion and the side end portion of the door from the hinge axial direction, and does not require a conventional drilling process, There is no need to fix it with screws. Therefore, it can be easily mounted on the electrical equipment storage box without processing the housing and the door. Further, the draining portion of the housing is held by the draining engagement portion, and the side end portion of the door is held by the door engagement portion, so that the door can be reliably held open and the door may be deformed. Nor.

  If the door holding member is provided with the drop-off preventing piece as in the second and third aspects, the door holding member can be prevented from dropping in the hinge axis direction. Further, if the drop-off preventing piece is rotatable as in claim 4, the drop-off preventing operation is facilitated, and if a temporary holding part for temporarily holding the drop-off preventing piece is provided as in claim 5, the drop-off preventing piece is provided. Can be prevented from moving unexpectedly.

It is a perspective view which shows 1st Embodiment. It is an expansion perspective view which shows 1st Embodiment. It is an expanded sectional view of a temporary holding part. It is a perspective view which shows a use condition. It is a perspective view which shows the example of mounting | wearing to the electric equipment storage box installed vertically. It is a perspective view which shows the example of mounting | wearing to the electric equipment storage box installed vertically. It is a perspective view which shows 2nd Embodiment. It is a perspective view which shows 2nd Embodiment. It is a perspective view which shows the example of mounting | wearing to an electric equipment storage box. It is a perspective view which shows the example of mounting | wearing to an electric equipment storage box. It is a fragmentary sectional view of the mounting state to the electric equipment storage box of a 1st embodiment. It is a fragmentary sectional view of the mounting state to the electric equipment storage box of 2nd Embodiment.

Preferred embodiments of the present invention are shown below.
FIGS. 1-7 is a figure which shows the 1st Embodiment of this invention, 1 is a housing | casing of an electric equipment storage box, 2 is the door. Around the opening surface of the housing 1, there is formed a draining portion 6 including a horizontal side 3, a vertical rising side 4, and a bent side 5 whose upper end is bent outward. The door 2 is pivotally supported by the hinge 7 on the opening surface of the housing 1. The door 2 includes a surface portion 8 to which a handle or the like is attached, and a side end portion 9 formed by bending an end portion of the surface portion 8 toward the housing 1 side. In order to hold the door 2 in an open state as shown in FIG. 1, the door holding member of the present invention is used.

  As shown in FIG. 2, the door holding member of the present invention includes a drainage engaging portion 10 that is engaged from the outside of the drainage portion 6 of the housing 1 and a door engagement member that is engaged with the side end portion 9 of the door 2. The joint portion 11 is integrally connected through an L-shaped plate-like connecting portion 12. In the present embodiment, the entire door holding member is made of a metal plate, but it may be a cast product or a resin molded product. When it is made of metal, it is preferable to prevent the electric device storage box from being damaged by painting or resin coating the surface. Note that the door holding member of the first embodiment is used by fitting into at least one draining portion 6 and the side end portion 9 of the door 2 from the upper and lower portions of the housing 1 from the outside in the hinge axis direction. That is, one door holding member can be used for the upper part or the lower part of the casing 1, and two door holding members can be used for both the upper part and the lower part of the casing 1 at the same time.

  The drainage engaging portion 10 is in contact with the horizontal contact portion 13 that contacts the upper surface of the horizontal side 3 of the housing 1, the rising contact portion 14 that contacts the outer surface of the rising side 4, and the lower surface of the bent side 5. It is comprised from the bending contact part 15 which touches. The drainage engaging portion 10 is formed at the distal end portion of the L-shaped plate-like connecting portion 12 and is a portion that is fitted into the drainage portion 6 of the housing 1 from the outside. Note that the bent contact portion 15 may be omitted.

  The door engaging portion 11 is formed in a U-shaped cross section so that the door engaging portion 11 can be engaged with the side end portion 9 of the door 2. A short side 16 that contacts the surface of the door 2 and a long side 17 that contacts the back surface of the door 2 are provided, and the door 2 is opened by sandwiching the side end 9 of the door 2 between these two sides. It can be held at the door position. Of the drainage engaging portion 10 and the door engaging portion 11, if a slip stopper such as a rubber packing is provided on the surface that comes into contact with the casing 1 or the door 2, the slip prevention effect and the close contact effect are more effective. A reliable door holding effect can be obtained.

  Although the door 2 can be held in the open position only by the draining portion 6 of these cases 1 and the side end portion 9 of the door 2, the door holding member may come off in the axial direction of the hinge 7. Therefore, in the present embodiment, the drop-off preventing piece 18 is provided on the door holding member.

  The drop-off prevention piece 18 is attached to a drop-off prevention piece attachment portion 19 in which the tip of the long side 17 of the door engaging portion 11 is bent in parallel with the connecting portion 12 by an appropriate means such as a screw 20. ing. The drop-off prevention piece 18 includes a draining portion abutting side 21 parallel to the connecting portion 12 and a door abutting side 22 in which the opposite side across the screw 20 is bent perpendicularly to the draining portion abutting side 21. The long side 17 of the door engaging portion 11 is formed with a through hole 23 through which the door contact side 22 can pass.

  When the drop-off prevention piece 18 is rotated clockwise from the state of FIG. 2, the draining portion abutment side 21 abuts on the inner surface side of the rising side 4 of the draining portion 6 of the housing 1, and the drainage engagement is performed. The draining portion 6 is sandwiched between the portion 10 and the draining portion contact side 21. At the same time, the door contact side 22 passes through the through hole 23 and contacts the housing inner surface of the side end portion 9 of the door 2, and the door is between the door engagement portion 11 and the door contact side 22. 2 side end portions 9 are sandwiched. For this reason, if the fall prevention piece 18 is rotated, the door holding member will not fall off.

  In order to hold the drop-off prevention piece 18 at the drop-off prevention position, in this embodiment, a temporary holding hole 24 is provided in the draining portion contact side 21, and the drop-off prevention piece mounting portion 19 is made of rubber having a head as a dome shape. The bush 25 is provided. As shown in FIG. 3, when the drop-off prevention piece 18 is rotated to the drop-off prevention position, the bush 25 is fitted into the temporary holding hole 24 and is held at that position. However, the structure is not necessarily limited to the bush 25 as long as it can be temporarily held, and an appropriate protrusion may be formed.

  The electrical equipment storage box is not only horizontally installed as a flat type as shown in FIG. 1, but also vertically installed as a wall-mounted type. In the former case, if the drop-off prevention piece 18 is pivotally supported so as to be freely rotatable, it can be rotated by its own weight and easily held at the drop-off prevention position. In the latter case, if the rotation is prevented unless a certain amount of force is applied to the drop-off prevention piece 18, it will not move from the drop-off prevention position.

  The door holding member configured in this manner is mounted from the outside in the hinge axial direction with the door 2 being opened at a predetermined angle with respect to the housing 1 as shown in FIG. The piece 18 is rotated to the drop-off prevention position. As a result, the draining portion 6 of the housing 1 and the side end portion 8 of the door 2 are stably held at a predetermined angle by the connecting portion 12, and the door 2 can be held at the open position. Moreover, there is no need for drilling and fixing with screws or the like.

  5 and 6 are views showing a state in which the door holding member of the first embodiment is attached to the vertically installed electrical equipment storage box.

  Next, a second embodiment of the present invention will be described. The door holding member according to the second embodiment has a structure that is mounted in the hinge axial direction from the inside of the electrical equipment storage box.

  As shown in FIGS. 7 and 8, this door holding member is also formed by integrally connecting the drainage engaging portion 50 and the door engaging portion 51 via an L-shaped plate-like connecting portion 52. The drainage engagement portion 50 is engaged from the inside of the drainage portion 6 of the housing 1, and a pair of vertical insertion sides 53 inserted into the lower side of the rising side 4 of the drainage portion 6 and the folding of the drainage portion 6. It consists of a horizontal side 54 in contact with the upper surface of the curved side 5. Since a U-shaped portion is formed between the upper end surface of the vertical insertion side 53 and the horizontal side 54 when viewed from the side, the drainage portion 6 of the housing 1 is mounted so as to be sandwiched therebetween. Note that the door holding member of the second embodiment is used by being inserted from the inside of the housing in the hinge axis direction into at least one draining portion 6 of the upper portion and the lower portion of the housing 1 and the side end portion 9 of the door 2. The That is, one door holding member can be used for the upper part or the lower part of the casing 1, and two door holding members can be used for both the upper part and the lower part of the casing 1 at the same time.

  The door engaging portion 51 extends in parallel to the door back surface abutting portion 55 that is bent at a right angle with respect to the connecting portion 52, and contacts the lower side surface 9 a of the side end portion 9 of the door 2. It comprises a lower side contact portion 56 that comes into contact, and a door side portion contact portion 57 that is bent at a right end to make contact with the inner surface of the side end portion 9. As shown in FIG. 10, the door engaging portion 51 holds the door 2 by sandwiching the side end portion 9 of the door 2 and the rear surface of the door between these portions.

  Further, the tip end portion of the horizontal side 54 is bent at a right angle to form a drop-off prevention side mounting portion 58, and a drop-off prevention side 59 is pivotally attached to this portion by a shaft 60. The drop-off prevention side 59 includes a door contact side 61 and is positioned on the outer side of the housing of the side end portion 9 of the door 2 when rotated as shown in FIG. To prevent it from coming off. The drop-off prevention side 59 is provided with a regulation side 62 at its lower part, and the position shown in FIG. 10 can be held by a regulation side abutting part 63 formed at the tip of the horizontal side 54.

  The door holding member according to the second embodiment configured as described above is inserted from the inside of the housing 1 toward the draining portion 6 and the side end portion 9 of the door 2 as shown in FIG. As shown, it is attached so as not to fall off by rotating the fall-off prevention side 59. Further, by forming the door engaging portion 51 at a position away from the same straight line as the drainage engaging portion 50, even if a force is applied in the closing direction to the door 2, a force is applied in the door rotation direction, and the door holding member The door 2 can be held without slipping. As a result, the door 2 can be stably held in the open position as in the first embodiment.

  FIG. 11 shows a partial sectional view of the mounting state of the first embodiment, and FIG. 12 shows a partial sectional view of the mounting state of the first embodiment.

DESCRIPTION OF SYMBOLS 1 Housing | casing of electrical equipment storage box 2 Door 3 Horizontal side 4 Upright side 5 Bending side 6 Draining part 7 Hinge 8 Surface part 9 Side edge part
9a Lower side surface 10 Drainage engaging portion 11 Door engaging portion 12 Connecting portion 13 Horizontal abutting portion 14 Standing abutting portion 15 Bending abutting portion 16 Short side 17 Long side 18 Falling prevention piece 19 Falling prevention piece mounting portion 20 Screw 21 Water drainage portion contact side 22 Door contact side 23 Through hole 24 Temporary holding hole 25 Bush 50 Water drainage engagement portion 51 Door engagement portion 52 Connection portion 53 Vertical insertion side 54 Horizontal side 55 Door back surface contact portion 56 Lower side surface Contact part 57 Door side contact part 58 Fall-off prevention side mounting part 59 Fall-off prevention side 60 Shaft 61 Door contact side 62 Restriction side 63 Restriction side contact part

Claims (5)

A door holding member for an electric equipment storage box that holds a door pivotally attached by a hinge shaft to a housing provided with a draining portion of the electric equipment storage box,
A drainage engagement portion engaged with the drainage portion of the housing;
The door engaging portion engaged with the side end portion of the door is integrally connected via the connecting portion,
A door holding member for an electrical equipment storage box, wherein the electrical equipment storage box is used by being fitted to at least one of the drainage portion and the side edge of the door from the hinge axial direction. .   The door holding member for an electric equipment storage box according to claim 1, further comprising a drop-off preventing piece.   The door holding member for an electric equipment storage box according to claim 2, wherein the drop-off prevention piece is in contact with the draining portion or a side end portion of the door.   4. The door holding member for an electric equipment storage box according to claim 3, wherein the drop-off prevention piece is rotatable.   The door holding member of the electric equipment storage box according to claim 4, further comprising a temporary holding portion that temporarily holds the drop-off preventing piece.

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