JPH08177304A - Open/close structure of door - Google Patents

Abstract

PURPOSE: To minimize the occupying space necessary in front for opening or closing a door, and also when the door is opened, to house the door inside the case. CONSTITUTION: The right peripheral part of a door 2 is made to be linearly moved along the right inside surface of a case 1 by means of a guide rail, and at the same time the door 2 is supported so as to be turnable around the vertical line passing through the right peripheral part thereof by means of a shaft pin, and also the turning motion of the door 2 is restricted by stoppers 8 that have been provided to the given places of the respective upper and lower front peripheral parts of the case 1. As the positions of the stoppers 8 approach right in the front peripheral part, the occupying space of the door in the front becomes larger, however, the space intruding the inside of the case 1 becomes small so that the opportinity of abutting of the door on the stored articles can be reduced; on the contrary, as the positions of the stoppers 8 approach the center, the occupying space becomes smaller, however, the space intruding the inside of the case 1 becomes large so that the opportunity of abutting of the door on the stored articles increases.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door of a switchboard case, for example, in order to minimize the size (or area) required for opening and closing in the front, and to store it in the case when opened. The present invention relates to a door opening / closing structure that uses both turning and turning. Needless to say, the present invention can be applied when a front door and a rear door are installed side by side.

[0002]

2. Description of the Related Art Two conventional examples will be described below with reference to the drawings. FIG. 10 is a perspective view of a conventional example, and FIG.
[Fig. 4] is a plan view of a conventional example. In FIG. 10, the opening on the front side of the rectangular parallelepiped case 1 is opened and closed by the rectangular door 2. The door 2 is rotatably connected to the case 1 at each of a right edge portion of the door 2 and a right front edge portion of the case 1 via three hinges 3, an upper portion, a central portion, and a lower portion. That is, the door 2
Is opened and closed with respect to the case 1 about the vertical axis of rotation of the hinge 3 (see the white arrow in FIG. 11).

FIG. 12 is a perspective view of another conventional example, and FIG. 13 is a plan view of another conventional example. In FIG. 12, the door 2 is stored in the case 1 so as to be in contact with the right inner side surface of the case 1 when opened, and is pulled out along the right inner side surface of the case 1 when closed, and is shown here. The hinge 26 is rotated around the open hinge 26 to be closed (see FIG. 13). That is door 2
Has its upper and lower edges fitted in the grooves of the guide rails 25 of U-shaped cross section provided along the upper and lower corners of the right inner side surface of the case 1, respectively, so that the case 1 can go straight. A hinge 26 that is guided and located at the front end of the guide rail 25.
It is rotatably supported around (see FIG. 13).

[0004]

One of the prior art examples is structurally relatively simple, but has a drawback that the door 2 protrudes in a state of being swung forward when opened. Another conventional example is
Unlike the conventional example, there is a feature that the case 1 is housed so as to come into contact with the right inner surface of the case 1 when opened. However, whether it is one conventional example or another conventional example, the space (dimension) occupied in front of the case 1 by opening and closing the door 2 becomes the width dimension of the door 2, and there is a desire to further reduce this occupied dimension. is there.

The problem to be solved by the present invention is to solve the above-mentioned problems of the prior art, to minimize the occupied size for opening and closing in the front, and to store it in a case when opened. The purpose is to provide a door opening / closing structure.

[0006]

One aspect of the present invention is a structure of a door for opening and closing a horizontally opened one surface of a rectangular parallelepiped case installed on a horizontal plane, which is either the upper surface or the lower surface of the door. A support provided at each end on the same side so as to be pivotable at one end about a common vertical axis passing through each end; corresponding to each support on the upper surface and the lower surface, respectively, the depth of the case In the corner extending in the direction, the other end of each support is provided so as to be able to guide straight in the depth direction of the corner, the upper and lower rails; the front of the upper plate and the lower plate of the case. A stopper provided so as to be able to contact the back side of the door is provided at a fixed position on the edge portion. Further, the stopper preferably includes a roller capable of rolling contact with the back side of the door.

Another aspect of the present invention is a structure of a door that opens and closes one horizontally opened case of a rectangular parallelepiped case that is installed on a horizontal plane, in which the left and right ends of the upper and lower surfaces of the door are on the same side. And a support that is pivotally provided at one end around a common vertical axis that passes through this end; a corner that extends in the depth direction of the case, corresponding to each support on the upper surface and the lower surface. , Upper and lower rails provided so that the other end of each support can be guided straight in the depth direction of its corner; provided along the front edges of the upper and lower plates constituting the case A linear guide slit that is provided along each side of the upper surface and the lower surface of the door; a common guide slit that is inserted into each slit of the case and the door, and And a bolt with a nut that can be fastened.

[0008]

According to one aspect of the invention, the door is pulled out or pushed into the case through the support and the rail, and at the same time, the upper edge and the lower edge of the back side of the door are used as stoppers. For example, the rollers can be brought into contact with each other, for example, in a rolling contact with a roller provided in the stopper, and can be opened and closed while being rotated while being restrained. Therefore, when the door is opened, it is stored along the inner surface of one of the cases, and due to the combined movement of the door moving straight in the direction of the depth of the case and the turning constrained by the stopper, the door is opened and closed in the front direction. The occupying size can be smaller than the lateral width of the door when the door is opened one side, as the stopper position is closer to the center of the front edge of the case. If the stopper position is moved too close to the center, there is a risk of hitting the storage device in the initial stage of turning after the door is pulled out. Therefore, the stopper is positioned by making a compromise between the occupied size and the position of the storage device.

According to another aspect of the invention, the door is pulled out or pushed into the case through the door, the support and the rail, and at the same time, the door is freely swiveled around the swiveling axis. Therefore, the door is stored along the inner surface on one side of the case when it is opened, and the combined movement of the door in the depth direction of the case and the free swivel allows the occupied dimension for opening and closing in the front. The width of the door can be made smaller than that of the door, and the door can be opened and closed while checking the balance between the occupied size and the contact with the storage device.
Further, the door can be fixed at any opening / closing position by fastening each slit on the case side and the door side and the bolt with the nut.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a door opening / closing structure according to the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of the first embodiment, and FIG. 2 is a plan view of the first embodiment and its peripheral portion. In conclusion, in FIG. 2, in the first embodiment,
In the opening and closing of the conventional example, the occupied dimension w (distance from the wall surface 9) is smaller than the occupied dimension W (width dimension of the door 2) in the front. This means that the right edge of the door 2 can move straight along the right inner surface of the case 1, and at the same time, it is rotatably supported around a vertical line passing through the right edge, and the front and bottom fronts of the case 1 can be rotated. This is the result of the rotational movement of the door 2 being restricted by the stoppers 8 provided at certain locations on the edge. However, as the position of the stopper 8 is closer to the right end of the front edge portion, the occupied dimension w becomes larger, but the dimension that penetrates the inside of the case 1 is small and the risk of contact with the storage device is reduced. On the contrary, the stopper 8
The occupying dimension w becomes smaller as the position becomes closer to the center, but there is an increased possibility that it will largely enter the inside of the case 1 and come into contact with the storage device.

Regarding the detailed structure of the first embodiment, a perspective view of one main part (lower end of the right edge of the door 2) of FIG. 3 and a perspective view of another main part (upper end of the right edge of the door 2) of FIG. This will be described with reference to FIGS. 5A and 5B and a perspective view of still another main part (abutting portion between the stopper 8 and the door 2). In FIG. 3, the support 6 is fixed to the lower end of the right edge of the door 2 so as to be pivotable at one end thereof. Further, L-shaped metal fittings 5 are provided in the upper and lower corners of the right inner side surface of the case 1 along the depth direction, and a ball-containing guide rail 7 having a well-known structure is attached to the L-shaped vertical portion. The support 6 is fixed to the slide metal fitting 7a which is a linearly movable member of the guide rail 7. The support 6 is provided at the upper and lower ends of the right edge of the door 2, and as shown in FIG. 4 showing the upper end, the upper right end of the door 2 (same for the lower right end) is rotated around the vertical axis. The shaft pin 4 is rotatably supported. In FIG. 5, the stopper 8 is composed of a support base 8a and a roller 8b, and the support base 8a is fixed at a fixed position on the lower front edge portion of the case 1 (similarly to the upper front edge portion). 8b
Hold it with its axis vertical. This roller 8b
The upper edge and the lower edge of the back side of the door 2 can be brought into contact with each other in a rolling contact manner.

Therefore, the door 2 is pulled out or pushed into the case 1 via the support 6 and the guide rail 7, and at the same time, the upper and lower edges of the back side of the door 2 are simultaneously. Is brought into contact with the roller 8b of the stopper 8 in a rolling contact manner, and opened and closed while being rotated while being restrained. As a result, the door 2 is housed along the inner surface on the right side of the case 1 when it is opened, and the door 2 is moved in a straight direction in the depth direction of the case 1 and the combined movement of the swivel constrained by the stopper 8 is performed. Thereby, the occupied dimension for opening and closing in the front can be made smaller than the lateral width dimension of the door when the door is opened, as the position of the stopper 8 is closer to the center of the front edge portion of the case 1. However, if the position of the stopper 8 is too close to the center, there is a risk of hitting the storage device in the initial stage of turning after the door 2 is pulled out. Therefore, it is necessary to position the stopper 8 in consideration thereof. In other words, the stopper 8 has a variable position structure, and by selecting the position, the minimum occupied dimension can be set according to the position of the storage device.

FIG. 7 is a perspective view of the second embodiment, and FIG.
FIG. 8 is a plan view with the peripheral part, FIG. 8 is a perspective view of a main part (a front edge portion of the case 1 and a door 2 are intersected), and FIG. 9 is a perspective view of another main part (a front edge portion of the case 1). Will be described with reference to. The second embodiment is provided with the same guide rail 7, support 6 and shaft pin 4 as in the first embodiment. On the other hand, the second embodiment does not have the stopper 8 (see FIGS. 1, 2 and 5) in the first embodiment, and is different in that the upper and lower front edge portions of the case 1 and the upper surface of the door 2 are different. The linear guide slits 11 and 12 are provided along the sides of the lower surface (see FIGS. 6 and 7), and the knurled screw 14 with the nut 16 is fitted in the slits 11 and 12 in common. Are provided (see FIGS. 8 and 9).

Since FIGS. 6 and 7 are similar to FIGS. 1 and 2 of the first embodiment, description thereof will be omitted, and FIGS. 8 and 9 will be described. In FIG. 8, a slit 11 is provided in the lower part of the case 1 (similarly also in the upper part), and a slit 12 is provided in the lower surface (also the upper surface) of the door 2. A knurled screw 14 is fitted into each slit 11 and 12 in common through a washer 13,
As shown in FIG. 9 below, the nut 16 is screwed in via the metal fitting 15. That is, in FIG. 9, the slit 11 of the case 1 is bent, and a metal fitting 15 having a U-shape and a hole at the bottom and a nut 16 are disposed below the slit 11.

Therefore, the door 2 is housed so as to contact the inner surface on the right side of the case 1 when opened, and the door 2
The case 1 is opened and closed by a complex movement of the straight movement in the depth direction of the case 1 and the swiveling via the support 7 and the shaft pin 4 as in the first embodiment, which has more freedom than in the first embodiment. You can take action. However, at the time of opening and closing the door, it is necessary to operate the door 2 while checking the balance between the front occupying dimension of the door 2 and the contact with the storage device. Further, by fastening the slits 11 and 12 of the case 1 and the door 2 and the knurled screw 14 with the nut 16, the door 2 can be fixed at an arbitrary open / close position.

[0016]

According to the present invention, the following excellent effects can be expected. (1) The door is stored along the inner surface on one side of the case when opened. (2) In both the stopper method and the guide slit method, the combined movement of straight and swiveling doors makes it possible to make the occupied dimension for opening and closing in the front smaller than the lateral dimension of the door when opened one way. . (3) Especially in the stopper system, the minimum occupied dimension according to the position of the storage device can be obtained by selecting the stopper position. Also, with the guide slit method, the occupied size can be further reduced while checking the balance with the contact with the storage device.Furthermore, by fastening the guide slits and bolts with nuts, the door can be opened and closed at any open / closed position. Since it can be fixed, work convenience is increased. (4) Since it has a relatively simple structure, it is easy to implement and can be realized at low cost.

[Brief description of drawings]

FIG. 1 is a perspective view of a first embodiment according to the present invention.

FIG. 2 is a plan view of the first embodiment and peripheral portions.

FIG. 3 is a perspective view of an essential part of the first embodiment.

FIG. 4 is a perspective view of another main part of the first embodiment.

FIG. 5 is a perspective view of still another main part of the first embodiment.

FIG. 6 is a perspective view of a second embodiment according to the present invention.

FIG. 7 is a plan view of a second embodiment and peripheral portions.

FIG. 8 is a perspective view of an essential part of the second embodiment.

FIG. 9 is a perspective view of another main part of the second embodiment.

FIG. 10 is a perspective view of a conventional example.

FIG. 11 is a plan view of a conventional example.

FIG. 12 is a perspective view of another conventional example.

FIG. 13 is a plan view of another conventional example.

[Explanation of symbols]

 1 Case 2 Door 4 Shaft Pin 5 L-shaped Metal Fitting 6 Support Tool 7 Guide Rail 7a Slide Metal Fitting 8 Stopper 8a Support Base 8b Roller 9 Wall Surface 11, 12 Slit 13 Washer 14 Knurled Screw 15 Metal Fitting 16 Nut

Claims (3)

[Claims] 1. A door structure for opening and closing a horizontally open surface of a rectangular parallelepiped case installed on a horizontal plane, wherein the upper and lower surfaces of the door are provided at the respective left and right end portions of the same. A support that is pivotally provided at one end around a common vertical axis that passes through each end; and a support that corresponds to each support on the upper and lower surfaces and that extends in the depth direction of the case. The upper and lower rails that are provided so that the other end of the tool can be guided straight in the depth direction of the corners; the upper and lower rails that make up the case; An opening / closing structure for a door, comprising: a stopper provided so as to be able to contact the back side. 2. The door opening / closing structure according to claim 1, wherein the stopper includes a roller capable of rolling contact with the back side of the door. 3. A door structure for opening and closing a horizontally open surface of a rectangular parallelepiped case installed on a horizontal plane, wherein the upper and lower surfaces of the door are provided at each end on the same left or right side. A support provided so as to be pivotable at one end around a common vertical axis passing through the ends; a support corresponding to each support on the upper surface and the lower surface, each support provided at a corner extending in the depth direction of the case. The upper and lower rails that are provided so that the other end of the can be guided straight in the depth direction of the corner; and the linear shape that is provided along the front edges of the upper and lower plates that form the case. A guide slit; a linear guide slit provided along each side of the upper and lower surfaces of the door; a nut that is commonly inserted into each slit of the case and the door and that can fasten the case and the door A door opening / closing mechanism, characterized by comprising: .