JP2002374074A - Electrical device housing board - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an electrical device housing board which can smoothly open or close a door, without the need for a large force and which will not incline downward a door attached state, even if an impact load is received. SOLUTION: A support member 4 and a attaching member 5 are provided in a box 1. An engaging edge plate 6b is fixed to the lower part of a main board 6 of an inner door 6, and disposed in the box 1. The electrical device 20 is disposed on a main board 6a. One end of the board 6a of the door 6 is rotatably mounted by a hinge 7, to the member 4. Four ball casters for supporting a lower surface 6g of the board 6a of the closed door 6 are mounted on the member 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric device housing panel such as a control panel or a switchboard having a one-sided door on which electric devices are arranged. The present invention relates to an electric device housing panel that can be opened and closed smoothly.

[0002]

2. Description of the Related Art Usually, in a control panel or a switchboard,
Transformer inside the door that opens one side with the hinge as a fulcrum,
Electric devices such as current transformers and control devices are provided so that they can be easily maintained. However, since this door has a cantilever structure with the hinge as a fulcrum, when the weight of the door including electric equipment increases, the hinge supporting the door is deformed by the impact load received during installation, transportation, etc. The door may be tilted. For this reason, the door may be greatly lowered toward the front end of the door, and the door may not be opened and closed smoothly.

[0003] A switchboard designed to prevent the above-mentioned problems is described in, for example, Japanese Utility Model Laid-Open No. 1-131201. This switchboard has a box body in which electric equipment is housed and has a stopper receiver, and one end is pivotally connected to the box body and has a caster on the lower end surface of the open / close end, and is in surface contact with the stopper receiver of the box body. A door having a stopper on the back surface for supporting the load of the door is provided. According to this switchboard, it is said that the door can be prevented from lowering, and can be smoothly opened and closed.

[0004]

SUMMARY OF THE INVENTION
In the switchboard disclosed in 131201, since the door is supported by the casters until the door is opened or before the door is closed, the door can be moved smoothly. However, when closing the door, the stopper slides on the stopper receiving surface of the box when the door is pushed in. Also, when the door is opened, the stopper slides on the surface of the stopper receiver when the door is pulled. For this reason, when opening and closing the door, there is a problem that a large pulling force or pushing force is inevitably required against the frictional force at the time of sliding between the surface of the stopper and the stopper receiver.

In order to address the above problem in the switchboard disclosed in Japanese Utility Model Laid-Open Publication No. 1-1131201, the door is lifted when the door is opened, and the stopper is lowered from the stopper receiving surface. On the stopper receiving surface. However, the switchboard is large and the weight of the doors, including electrical equipment,
For example, if it exceeds 100 kg, lifting of the door is difficult and even dangerous. In addition, if the floor under the area where the door is opened and closed has a step or an uneven surface and is not flat, there is also a problem that the casters cannot be attached to the lower end surface of the door.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and has an electric equipment housing panel that can be installed regardless of the presence or absence of irregularities on the floor below the area where the door is opened and closed. The purpose is to provide. Further, it is possible to provide an electric equipment housing panel which can smoothly open and close a door on which electric equipment is arranged without requiring a large force, and which does not tilt down due to deformation of a mounting portion even when the door receives an impact load. The purpose is to:

[0007]

According to the present invention, there is provided an electric equipment housing panel comprising a box, a door rotatably attached to the box about a pivot, and an electric device provided on the door. ,
A door-side engaging body fixed to the door, and a box-side engaging body fixed to the box body and facing the door-side engaging body when the door is closed, wherein the door-side engaging body and the box One of the body-side engaging bodies has an engaging surface extending in a direction perpendicular to the pivot, and the other has a rotating body engaging with the engaging surface.

[0008] Further, the electric equipment housing board according to the present invention is characterized in that:
When the rotating body and the engagement surface are engaged before the door reaches the fully closed position, and the rotation axis of the door is inclined from the pivot, as the door approaches the fully closed position, It is characterized in that a rotation axis is made to approach the pivot axis.

Further, the electric equipment housing board according to the present invention comprises:
A plurality of the rotating bodies are arranged side by side in an extending direction of the engagement surface.

[0010] An electric equipment storage panel according to the present invention is a box, a door rotatably mounted on the box about a pivot, an electric device disposed on the door, and fixed to the door. A door-side engaging body, and a box-side engaging body fixed to the box body and facing the door-side engaging body when the door is closed, wherein the door-side engaging body and the box-side engaging body One has an inclined surface inclined in the direction in which the door closes, and the other has a rotating body engaged with the inclined surface.

[0011] Further, the electric equipment housing board according to the present invention is characterized in that:
The rotator and the inclined surface are engaged before the door reaches the fully closed position, and when the pivot axis of the door is tilted from the pivot, as the door approaches the fully closed position, the rotation is performed. The present invention is characterized in that a moving axis is brought closer to the pivot.

[0012] An electric equipment housing board according to the present invention is a box, a door rotatably attached to the box about a pivot, an electric device provided on the door, and fixed to the door. A door-side engaging body, and a box-side engaging body fixed to the box body and facing the door-side engaging body when the door is closed, wherein the door-side engaging body and the box-side engaging body It has a gear transmission with gears that engage with each other.

Further, the power supply equipment housing panel according to the present invention comprises:
When the gears of the two gear transmissions are engaged with each other before the door reaches the fully closed position, and the rotation axis of the door is inclined from the pivot, as the door approaches the fully closed position,
It is characterized in that the rotation axis is brought closer to the pivot axis.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a side view showing a cross section of a main part of a control panel according to Embodiment 1 of the present invention, and FIG. 2 is a plan view of the main part as viewed in a direction of line II-II in FIG. .

The control panel according to the first embodiment shown in FIGS. 1 and 2 is roughly divided into a box 1, an inner door 6, and an outer door 10.
And an electric device 20. To explain the general outline, the inner door 6 is disposed vertically in the box 1 and attached so as to be pivotable about a pivot and can be opened and closed in a one-sided manner.
Is closed and reaches the fully closed position, the lower part is supported. An electric device 20 such as a transformer, a current transformer, and a control device is disposed on the inner door 6. The outer door 10 is attached to the side surface of the box 1 so as to be pivotable about a pivot and can be opened and closed with one side.

Specifically, first, the box 1 is made up of the
A bottom plate 3, a support member 4, and a mounting member 5 are provided.
Specifically, the surrounding plate 2 includes a long-side plate 2a, a pair of opposed short-side plates 2b and 2c disposed at both ends of the long-side plate 2a, a long-side plate 2a and a short-side plate 2b, respectively. 2
c, and a flange portion 2d provided facing the long side plate 2a and inwardly disposed at each end of the short side plates 2b, 2c and the ceiling plate 2e. I have. The bottom plate 3 is formed in a frame shape by combining a pair of opposed long side plates 3a, 3b and short side plates 3c, 3d with each plate surface facing down. The lower end surface of the surrounding plate 2 is joined to and integrated with the bottom plate 3. An opening 2f large enough to open and close the inner door 6 is formed between the inner peripheral side of the flange 2d of the surrounding plate 2 and the upper surface of the long side plate 3b of the bottom plate 3.

The support member 4 is disposed on the inner wall of the short side plate 2b in a direction in which the outer surface of one L-shaped side formed of L-shaped steel material extends perpendicularly to the inner wall of the short side plate 2c of the surrounding plate 2. The other end of the L-shaped side is joined to the inner wall surface of the short side plate 2b. The mounting member 5 extends the outer surface of the one L-shaped side formed of the L-shaped steel material upward and in a direction perpendicular to the outer surface of the one L-shaped side of the support member 4 so as to extend the short side plate 3 of the bottom plate 3.
It is arranged from c to the short side plate 3d. And L
The other side end of the mold side is joined to the short side plates 3c, 3d of the bottom plate 3, and both end portions are joined to the inner wall surfaces of the short side plates 2b, 2c of the enclosing plate 2. The ball caster 15, which is the box-side engaging body, has a ball 15a that supports the lower surface 6g of the engaging edge plate 6b of the inner door 6 that has been closed to reach the completely closed position.
5b, which is rotatably mounted on the upper surface 5a of the mounting member 5 by adjusting the height so as to support the inner door 6 at a predetermined mounting position, and shown at equal pitches a, b, c, and d. Four are attached as shown. The engagement edge plate 6b of the inner door 6 constitutes a door-side engagement body, and its lower surface 6g constitutes its engagement surface. The ball casters 15 constitute a box-side engaging body, and the balls 15a constitute the rotating body.

The inner door 6 has four sides perpendicular to each other and a rear surface 6f.
Are provided on each of the upper and lower sides of the main plate 6a having an edge plate 6c, 6b having a plane perpendicular to the back surface 6f of the main plate 6a. Reinforcement edge plates 6d and 6e are similarly provided on the left and right sides of the main plate 6a, respectively.
c, 6b and the reinforcing edge plates 6d, 6e are connected to each other to form an annular shape. Then, the back surface 6 of the main plate 6a
An electric device 20 indicated by a dashed line is provided at f.
As shown in FIGS. 1 and 2, the inner door 6 is provided with engagement edge plates 6c and 6b.
The main plate 6a has one side end attached to the support member 4 of the box 1 via a hinge 7 so that the main plate 6a can be opened and closed by pivoting about a pivot so as to be opened and closed. Installed. As a result, the inner door 6 is opened and closed in the direction of arrow A toward the outside of the opening 2f of the box 1 with the hinge 7 as a fulcrum. When the inner door 6 is opened and closed, the engagement surface 6g of the engagement edge plate 6b, which is the door-side engagement body, engages with the rotating body 15a of the ball caster 15, which is the box-side engagement body, and makes rolling contact.
When the inner door 6 is closed and reaches the completely closed position, the engagement surface 6g is supported at a predetermined position by the rotating body 15a.
The engagement surface 6g of the door-side engagement body 6c is located on a plane perpendicular to the pivot of the inner door 6, and extends in a direction perpendicular to the pivot.

Therefore, when the inner door 6 is closed by rotating about its pivot axis, the engaging surface 6g of the door-side engaging body 6b engages with the rotating body 15a of the box-side engaging body 15. As it is closed while being guided, it can be easily closed with a small force. Also, if the inner door 6 receives an impact load and the hinge 7 is deformed, and the rotation axis of the inner door 6 is slightly inclined from the original pivot, the position of the engagement surface 6g is set at a distance away from the hinge 7. Decreases proportionately. The engagement surface 6g of the door-side engagement body 6b when closing the inner door 6 in this state
And the form of contact between the box-side engaging body 15 and the rotating body 15a starts from the engaging surface 6g on the hinge portion 7 side where the position drop is small, and the respective box-side engaging bodies 15 of a, b, c, and d. In the order
The engaging surface 6g of the corresponding door-side engaging body 6b rides on the rotating body 15a of each box-side engaging body. With this operation,
The lowering of the position of the engaging surface 6g of the door-side engaging body 6b is automatically corrected so as to be gradually reduced, and the inner door 6 is closed, so that the opening and closing of the inner door 6 is not hindered.

As described above, in the control panel according to the first embodiment, the lower surface 6g of the engaging surface of the door-side engaging member 6b of the inner door 6 is brought into rolling contact with the rotating member 15a of the box-side engaging member 15 to open and close. Therefore, the opening and closing of the inner door 6 can be performed smoothly without requiring a large force. Further, when the inner door 6 is closed and reaches the completely closed position, the engagement surface 6g on the inner door 6 side is supported by the rotating body 15a on the box body side.
An impact load is not applied to the hinge portion 7 during installation, transportation, or the like, and a situation in which the hinge portion 7 is deformed and the rotation axis is tilted from the pivot to lower the mounting position of the inner door 6 is prevented.

The outer door 10 has a rectangular main plate 10a, an annular side plate 10b provided on the outer periphery of the main plate 10a in a direction perpendicular to the surface of the main plate 10a, and an end of the side plate 10b opposed to the main plate 10a. Are integrally formed with the band-shaped flange portion 10c provided in the above. One lateral end of the main plate 10a is attached to the end of the short side plate 2b of the enclosing plate 2 via the hinge 11 so that the outer door 10 can be opened and closed by pivoting about a pivot. . As described above, in the control panel of the first embodiment, since the casters as in the conventional example are not attached to the lower portion of the outer door 10, the floor of the lower portion of the area where the outer door 10 is opened and closed has a step or unevenness. The control panel can be installed even in a place where there is.

Embodiment 2 FIG. FIG. 3 is a side view showing a cross section of a main part of a control panel according to Embodiment 2 of the present invention. In the drawings, the same reference numerals indicate the same or equivalent components as those in the first embodiment. The same applies hereinafter. The control panel according to the second embodiment has a structure similar to that of the first embodiment, that is, a ball caster 1 mounted on a mounting member 5 provided on a bottom plate 3.
5, the lower surface 6g of the engagement edge plate 6b disposed below the vertically arranged inner door 6 is supported by the balls 15a of the ball casters 15, and the ceiling plate 2e of the enclosure plate 2 is replaced.
A structure in which a ball caster 15 is mounted on a mounting member 8 provided on the inner wall of the vehicle, and a lower surface 6h of an engaging edge plate 6c disposed above the vertically arranged inner door 6 is supported by the balls 15a of the plurality of ball casters 15. The configuration is the same as that of the first embodiment except that the configuration is different. In the second embodiment, the ball casters 15 constitute a box-side engaging body, and the balls 15a constitute the rotating body. The engagement edge plate 6c forms a door-side engagement body, and its lower surface 6h forms an engagement surface. The engagement surface 6h is located on a plane perpendicular to the pivot of the inner door 6, and extends in a direction perpendicular to the pivot.

More specifically, the mounting member 9 is configured such that the upper surface 8a of one of the L-shaped sides formed of L-shaped steel material is engaged with an engaging edge plate disposed above the inner door 6, ie, a door-side engaging body 6c. The other L-shaped side end is joined to the inner wall of the ceiling plate 2 e of the surrounding plate 2, facing the surface 6 h at a required interval. Then, a box-side engaging body, that is, a ball caster 15, is mounted on the upper surface 8a of the L-shaped side, and the rotating surface 15a supports the engaging surface 6h. In the case where the configuration as in the first embodiment cannot be performed due to the arrangement of the devices mounted in the box 1, the same effect as in the first embodiment can be obtained by configuring the control panel as described above.

In the first and second embodiments, the ball casters 15 are mounted on the upper surfaces 5a and 8a of one of the L-shaped sides of the mounting members 5 and 9, and the balls 15a engage the engaging edge plates 6b and 6c. The lower surfaces 6g, 6h are supported. On the contrary, the ball casters 15 are mounted on the lower surfaces 6g, 6h of the engaging edge plates 6b, 6c, and the balls 15a are engaged with the mounting members 5, 9. It may be supported by each of the upper surfaces 5a and 8a.

Embodiment 3 FIG. 4 is a side view showing a cross section of a main part of a control panel according to Embodiment 3 of the present invention. The control panel according to the third embodiment has the same structure as that of the first embodiment, that is, an edge plate 6b in which a ball caster 15 is mounted on a mounting member 5 provided on the bottom plate 3 and is disposed below the vertically arranged inner door 6. , The lower surface 6g (not shown) of the engaging edge plate 6b of the vertically arranged inner door 6 is replaced with a structure in which the lower surface 6g of the
a, the inclined support 12 having the inclined surface 12a formed thereon is attached to the box 1, and the rotating body 16a of the roller unit 16 is attached to the inclined surface 12a of the inclined support 12.
The configuration is the same as that of the first embodiment except that the configuration is different. In the third embodiment, the roller portion 16 forms a door-side engagement body, and the rotating body 16a forms the rotating body. The inclined support 12 constitutes a box-side engaging body, and the inclined surface 12a constitutes the inclined surface.

More specifically, first, on the lower surface 6g (both not shown) of the engaging edge plate 6b disposed below the inner door 6, the rotating body 16a is moved in the direction in which the engaging edge plate 6b extends in a long direction. The roller unit 16 on which the rotating shaft 16b is arranged is attached. On the bottom plate 3 of the box 1, an inclined support 12 having an inclined surface 12a is fixed. The inclined surface 12a gradually rises rightward from the left end to the right end of the inclined support body 12 in a direction orthogonal to the rotation axis 16b of the roller portion 16 when the inner door 6 is closed, that is, gradually in a direction in which the inner door 6 is closed. It is formed with a required gradient so as to be higher. Slope 1
2a is in rolling contact with the rotating body 16a of the roller portion 16 when the inner door 6 is opened and closed, and supports the rotating body 16a at a predetermined position when the inner door 6 is closed and reaches the completely closed position. Has become.

As described above, in the control panel according to the third embodiment, when the inner door 6 is closed by rotating about the pivot axis of the inner door 6, the rotating body of the roller portion 16, which is the door-side engaging body, is closed. 16a is closed while being engaged with and guided by the inclined surface 12a of the inclined support body 12, which is the box-side engaging body, so that it can be easily closed with a small force. Also, if the rotation axis of the inner door 6 is slightly shifted from the original axis,
When the lower surface 6g of the engaging edge plate 6b is lowered as it moves away from the pivot, when the inner door 6 is opened and closed, the rotating body 16a of the roller portion 16, which is the door-side engaging body, becomes a box-side engaging body. Since the inner door 6 is lifted by rolling contact with the inclined surface 12a of a certain inclined support body 12, and the inclination of the inner door 6 is corrected, the inclined surface 12a smoothly rotates the rotating body 16a to open and close the inner door 6. be able to. When the inner door 6 is closed and reaches the completely closed position, the rotating body 16a is supported at a predetermined position by the inclined surface 12a of the inclined support body 12, so that the rotating body 16a is moved to the hinge portion 8 at the time of installation, transportation, or the like. No impact load is applied, and the same effect as in the first embodiment can be obtained.

In the first to third embodiments,
Engagement edge plates 6c and 6b having planes perpendicular to the plane 6f of the main plate 6a are provided on upper and lower sides of the main plate 6a having four sides perpendicular to each other and the plane 6f, respectively. However, the present invention is not limited to this, and only one of the necessary engagement edge plates 6c and 6b may be provided. Further, it is not always necessary to provide the inner door 6 in the side of the main plate 6a, and any position may be used as long as the vertically arranged inner door 6 is stably supported. Further, in the third embodiment, the roller portion 16 is attached to the lower surface 6g of the inner door 6, the inclined support 12 is attached to the box plate 1, and the rotating body 16a of the roller portion 16 is attached to the inclined surface 12a of the inclined support 12. On the contrary, the inclined support 12 is attached to the lower surface 6g of the inner door 6, the roller portion 16 is attached to the box plate 1, and the inclined surface 12a of the inclined support 12 is rotated by the rotating member of the roller portion 16. It is good also as a structure supported by 16a.

Embodiment 4 FIG. 5 is a side view showing a cross section of a main part of a control panel according to Embodiment 4 of the present invention. The control panel according to the fourth embodiment can be roughly divided into a box 1, an outer door 10, an electric device 20, and an inclined engagement body 26.
And a roller unit 27. To explain the general outline, an electric device 20 is arranged inside the outer door 10,
It is attached to the side surface of the box 1 so that it can be pivoted about a pivot and can be opened halfway. Further, an inclined engagement body 26 as a door-side engagement body is fixed to the outer door 10, and the outer door 10 is attached to the box 1.
When the outer door 10 is closed when the outer door 10 is closed and reaches the completely closed position when the door is opened and closed, a roller unit 27 that is a box-side engaging body that supports the inclined engaging body 26 is provided.

More specifically, first, the outer door 10 is attached to the main plate 10a.
An electric device 20 is disposed on the inner wall surface of the main body 10a. Attached to. Electric device 2 on inner wall surface of main plate 10a
In the lower part of 0, there is provided an inclined engagement body 26, one end of which is fixed and protrudes toward the box 1 side. 26a is
An inclined surface formed at the lower portion of the inclined engagement body 26, which is formed with a required gradient so as to be lowered leftward from the protruding tip side toward the main plate 10a side, that is, in a direction in which the outer door 10 is opened. I have. Further, on the inner wall surface of the flange portion 2d of the surrounding plate 2, a roller portion 27 having a rotating body 27a that engages with the inclined surface 26a of the inclined engaging body 26 is provided. Specifically, a fixing member 27c of the roller portion 27 is fixed to the inner wall surface of the flange portion 2d.
The rotating shaft 27b of the rotating body 27a is rotatably supported on the rotating member 27c. The rotation shaft 27b is arranged in a direction orthogonal to the direction in which the inclined engagement body 26 projects.

In the control panel of the fourth embodiment, when the outer door 10 is closed by rotating about its pivot axis, the inclined surface 26a of the inclined engaging body 26 which is the door-side engaging body.
Is closed while being guided and engaged with the rotating body 27a of the roller portion 27 by the box-side engaging body, so that it can be easily closed with a small force. If the rotation axis of the outer door 10 is slightly deviated from the original pivot axis and the outer door 10 tilts and descends away from the pivot axis, when the outer door 10 is opened and closed, the inclined surface 26a of the inclined engagement body 26 is rolled. 27 rotating bodies 2
Rolling contact with the outer door 10 acts to correct the inclination of the outer door 10, so that the outer door 10 can be opened and closed smoothly. When the outer door 10 is closed and reaches the completely closed position, the inclined surface 26a of the inclined engagement body 26 is
Is supported at a predetermined position by the rotating body 27a. Therefore, no impact load is applied to the hinge portion 11 (not shown) supporting the outer door 10, and the same effect as in the first embodiment can be obtained. Further, since a caster unlike the conventional example is not attached to the lower part of the outer door 10, the outer door 1
The control panel can be installed even in a place where there is a step or unevenness on the floor surface below the area where 0 is opened and closed.

In the fourth embodiment, the outer door 1
When 0 is rotated and closed around the pivot axis, the rotating body 16a of the roller unit 16 as the door-side engaging body is
Since it is closed while being guided by being engaged with the inclined surface 12a of the inclined support body 12, which is the box-side engaging body, it can be easily closed with a small force. The configuration in which the inclined engagement body 26 is fixed to the inner wall of the outer door 10 and the roller unit 27 that engages with the inclined engagement body 26 is provided in the box 1 has been described. It is also possible to provide a configuration in which the box body 1 is provided with the inclined engagement body 26 that engages with the roller unit 27.

Embodiment 5 FIG. FIG. 6 is a sectional side view showing a main part of a control panel according to Embodiment 5 of the present invention. The control panel according to the fifth embodiment has a structure similar to that of the fourth embodiment, that is, the inclined engagement body 26 provided on the inner wall of the outer door 10.
The gear transmission 28 provided on the inner wall of the outer door 10 and the gear provided on the box 1 instead of the configuration in which the rotating body 27a of the roller portion 27 provided on the box 1 The structure is the same as that of the fourth embodiment except that the gears 29a of the gear transmission 29 support the gear 28a of the gear transmission 28 by engaging the gears of the transmission 29 with each other. .

Specifically, first, the outer door 10 is attached to the main plate 10a.
An electric device 20 is disposed on the inner wall surface of the main body 10a. Attached to. Electric device 2 on inner wall surface of main plate 10a
0, a gear transmission 2 projecting into the box 1
8 are provided. A gear transmission 29 that engages with the gear transmission 28 is provided on the inner wall surface of the flange 2 d of the enclosure 2. Specifically, a fixing member 28c of the gear transmission 28 is fixed to the inner wall surface of the main plate 10a.
8c has a rotating shaft 28b with a gear 28a attached to its tip.
Is rotatably supported. A fixing member 29c of the gear transmission 29 is fixed to the inner wall surface of the flange portion 2d, and a rotating shaft 29b to which a gear 29a is attached is rotatably supported at the tip of the fixing member 29c. The gear transmission 29 adjusts the meshing between the gears and the gear transmission 28 so that the outer door 10 is supported at a predetermined position when the outer door 10 is closed and reaches the fully closed position. Fixed to the inner wall.

In the control panel according to the fifth embodiment, when the outer door 10 is opened and closed, the gears 28a and 29a are engaged with each other to perform smooth opening and closing. In addition, outer door 1
0 is closed and reaches the fully closed position, the gear 28
a, 29a mesh with each other to support the outer door 10 at a predetermined position, so that the hinge portion 11 (not shown) supporting the outer door 10 is provided.
No impact load is applied to the first embodiment, and the same effect as in the fourth embodiment can be obtained.

In each of the first to fifth embodiments, the configuration of the present invention has been described based on the control panel. However, the present invention is not limited to this, and it is needless to say that the present invention can be applied to a switchboard.

[0037]

According to the present invention, there is provided an electric equipment storage board comprising: a box; a door rotatably mounted on the box so as to be pivotable about a pivot; an electric device disposed on the door; A door-side engagement body fixed to the box body, and a box-side engagement body fixed to the box body and facing the door-side engagement body when the door is closed; One of the unions has an engaging surface extending in a direction perpendicular to the pivot axis, and the other has a rotating body that engages with the engaging surface. Can be done. In addition, since the rotating body or the engaging surface of the door-side engaging body is supported by the engaging surface or the rotating body of the box-side engaging body when the door is closed, an impact load is not applied during installation or transportation. Therefore, it is possible to prevent the door from tilting down.

Further, when the rotating body and the engagement surface are engaged before the door reaches the completely closed position, and the pivot axis of the door is inclined from the pivot axis, the door is completely closed. With the approach of the door, even in a configuration in which the rotation axis is brought closer to the pivot axis, or in a configuration in which a plurality of the rotating bodies are arranged in the extension direction of the engagement surface, Even when the supporting portion of the rotating shaft is backlashed for some reason and the rotating shaft is slightly tilted from the pivot, the door can be opened and closed smoothly without requiring a large force.

An electric equipment storage board according to the present invention includes a box, a door rotatably mounted on the box about a pivot, an electric device disposed on the door, and fixed to the door. A door-side engaging body, and a box-side engaging body fixed to the box body and facing the door-side engaging body when the door is closed, wherein the door-side engaging body and the box-side engaging body One has an inclined surface inclined in the direction in which the door closes, and the other has a rotating body that engages with the inclined surface, so that the door can be smoothly opened and closed without requiring a large force. .
Further, since the rotating body or the inclined surface of the door-side engaging body is supported by the inclined surface or the rotating body of the box-side engaging body when the door is closed, no impact load is applied at the time of installation or transportation, The situation where the door is tilted down can be prevented. In addition, since there is no accessory on the lower surface of the door, the electric device storage panel can be installed even in a place where there is a step or unevenness on the floor below the area where the door is opened and closed.

The rotating body and the inclined surface are engaged before the door reaches the fully closed position, and when the pivot axis of the door is inclined from the pivot, the door is brought to the fully closed position. With the approach, since the rotating shaft is configured to be closer to the pivot, even if the rotating shaft slightly tilts from the pivot due to play due to some cause in the support portion of the door rotating shaft, The door can be opened and closed smoothly without a large force.

According to the present invention, there is provided an electric equipment storage panel comprising a box, a door rotatably attached to the box about a pivot, an electric device provided on the door, and a door fixed to the door. A door-side engaging body, and a box-side engaging body fixed to the box body and facing the door-side engaging body when the door is closed, wherein the door-side engaging body and the box-side engaging body Since the gears have a gear transmission having gears that engage with each other, the door can be opened and closed smoothly without requiring a large force. In addition, since the gear transmission of the door-side engagement body is supported by meshing the mutual gears with the transmission of the box-side engagement body when the door is closed, an impact load is not applied during installation or transportation. Therefore, it is possible to prevent the door from tilting down. In addition, since there is no accessory on the lower surface of the door, the electric device storage panel can be installed even in a place where there is a step or unevenness on the floor below the area where the door is opened and closed.

Further, the gears of the two gear transmissions engage with each other before the door reaches the fully closed position, and when the pivot axis of the door is inclined from the pivot axis, the door is moved to the fully closed position. With the approach, the configuration is such that the rotation axis is brought closer to the pivot axis, so even if the rotation axis is slightly inclined from the pivot axis due to play in the support portion of the door rotation axis for some reason. The door can be opened and closed smoothly without requiring a large force.

[Brief description of the drawings]

FIG. 1 is a side view showing a cross section of a main part of a control panel according to Embodiment 1 of the present invention.

FIG. 2 is a plan view of a main part as viewed in the direction of line II-II in FIG.

FIG. 3 is a cross-sectional side view showing a main part of a control panel according to a second embodiment of the present invention.

FIG. 4 is a side view showing a cross section of a main part of a control panel according to Embodiment 3 of the present invention;

FIG. 5 is a side view showing a cross section of a main part of a control panel according to a fourth embodiment of the present invention.

FIG. 6 is a side view showing a cross section of a main part of a control panel according to Embodiment 5 of the present invention;

[Explanation of symbols]

1; Box 4; Supporting members 5, 8; Mounting member 6; Inner door 6a; Main plates 6b, 6c; Door-side engaging members 6g, 6h;
Engaging surfaces 7, 11; Hinge portion 10; Outer door 12; Inclined support 12a, 26a; Inclined surface 15; Box-side engaging body 15a; Rotating body 16; Door-side engaging body 16a; Rotating body 26; Coupling 26a; Inclined surface 27; Box-side engaging body 27a; Rotating body 20; Electrical equipment 26; Inclined engaging bodies 28, 29;
a, 29a; gears

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 4E360 BA06 BB12 BB16 BC02 BC04 BC08 EA21 EC11 EC14 ED04 FA07 GA46 GB94 5G016 AA03 CC03 CC07

Claims (7)

[Claims] 1. A box, a door rotatably attached to the box about a pivot, an electric device disposed on the door, a door-side engaging member fixed to the door, When the door is closed and fixed to the box body, the door-side engagement body is opposed to the box-side engagement body, and one of the door-side engagement body and the box-side engagement body is perpendicular to the pivot. An electric device housing panel having an engaging surface extending in a direction, and a rotating body having the other engaging with the engaging surface. 2. When the rotating body and the engagement surface are engaged before the door reaches the fully closed position, and when the pivot axis of the door is inclined from the pivot axis, the door is completely closed. 2. The electric device housing panel according to claim 1, wherein the rotation axis is brought closer to the pivot axis as the distance from the electric device is approached. 3. 3. The electric equipment housing panel according to claim 2, wherein a plurality of said rotating bodies are arranged side by side in an extending direction of said engaging surface. 4. A box, a door rotatably attached to the box about a pivot, an electric device disposed on the door, and a door-side engaging member fixed to the door. A door-side engaging body that is fixed to the box body and faces the door-side engaging body when the door is closed, wherein one of the door-side engaging body and the box-side engaging body closes the door; An electric device housing panel, characterized in that the electric device housing panel has a rotating body that has an inclined surface inclined to the other side and the other side engages with the inclined surface. 5. The rotating body and the inclined surface are engaged before the door reaches the fully closed position, and when the pivot axis of the door is tilted from the pivot, the door is moved to the fully closed position. 2. The electric equipment housing panel according to claim 1, wherein the rotating shaft is moved closer to the pivot axis as the distance from the electric device is approached. 6. A box, a door rotatably mounted on the box about a pivot, an electric device disposed on the door, and a door-side engaging member fixed to the door. A gear fixed to the box body, comprising a box-side engagement body facing the door-side engagement body when the door is closed, wherein both the door-side engagement body and the box-side engagement body engage with each other An electric device housing board comprising a gear transmission having: 7. The gears of the two gear transmissions engage before the door reaches the fully closed position, and when the pivot axis of the door is inclined from the pivot, the door is moved to the fully closed position. 2. The electric device housing panel according to claim 1, wherein the rotation axis is brought closer to the pivot axis as the distance from the electric device is approached. 3.