JP2005083182A - Door opening and closing device for door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door for a storage body installed at higher places in an entrance, a kitchen or the like in such a way that the door is opened upward with a light tensile force and the opened door does not hit against a ceiling but positioned almost parallel toward the ceiling. <P>SOLUTION: On actuating a door opening/closing member 3, a door opening/closing member fixture 54 moves the door opening/closing member 3 to a front side of an opening part of the storage body 1 along a turning locus of a lower link A51 as well as a lower link B52 of a second hinge 5. Also, via a stay 8 fixed by a shaft at an end part of the door opening/closing member fixture 54, an upper link 41, which is rotatably attached to an upper fixed plate 42 for a first hinge 4 mounted on an upper part of an inner wall of the storage body 1, begins turning. A roller 61, which is fixed by a shaft to a door guide 6 placed at the lower end of a door 2, then starts moving upward along a guide rail 7. Since a door securing member 43 of the first hinge 4 is fixed at a position lower than halfway of the length of the door 2 and the roller 61 moves up gradually, the door 2 opens toward outer direction of the opening part of the storage body 1 with a forwardly inclined attitude, and therefore it moves basically in parallel to the ceiling and in a fully opened state stops at the position almost parallel toward the ceiling without hitting against the ceiling. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

Detailed Description of the Invention

  The present invention relates to a door opening / closing device provided on the front surface of a storage body attached to a high place such as a front door or a kitchen, and more particularly to a door opening / closing device that opens the door upward.

Conventional technology and its problems

  As shown in FIG. 8, the conventional door opening / closing device moves the door upward by a pair of link mechanisms, and opens upward while once protruding toward the front of the storage body when the door is opened. It was a thing.

    Further, as described in Japanese Patent Application Laid-Open No. 2000-262335, a movable support mechanism that movably supports a movable body arranged in a cabinet, a door body provided in the cabinet body, and a movable body that is moved in and out of the cabinet. Door opening and closing means for opening and closing the door body in conjunction with the operation to be performed, and door urging means for urging the door body in a direction that cancels the weight of the door body, and the door body with only one operation of moving the movable body in and out The movable body stored in the cabinet having the can be taken in and out. Further, the biasing force by the door biasing means acts in the direction of canceling the weight of the door body, and the movable body and the door body can be interlocked with a light operation force, and the door body is opened upward. It was a configuration.

Problems to be solved by the invention

  However, when opening and closing the door provided on the front of the storage unit that is attached to a high place such as a front door or a kitchen, place a step on the floor near the opening of the storage unit and lift the door on the step. However, when the door was opened and closed, it was dangerous because the door opened toward the front surface of the housing, that is, toward the face of the person trying to open the door.

  In addition, when the door provided on the front of the storage unit that is attached to a high place such as the entrance or kitchen is opened upward to open the door, the clearance between the ceiling and the storage unit is narrow, or the case is in contact with the ceiling Since the door hits the ceiling, the door may not open and the installation location is limited.

  In order to solve the above-mentioned problems, the present invention has a door guide with rollers moving upward in the guide rail in conjunction with the operation of pulling the door opening / closing member toward the front of the storage body, and the door with a light tensile force. The door opening and closing device is provided so that the opened door does not collide with the ceiling and is positioned substantially parallel to the ceiling.

Means for solving the problem

In order to solve the above-mentioned problems, a door opening and closing device according to claim 1 of the present invention is a door opening and closing device provided on the front surface of a storage body, and is arranged on an upper portion of the inner wall of the storage body and has one end of the door. A first hinge member attached to the back surface, a second hinge member arranged at the lower part of the inner wall of the storage body and having one end attached to the door opening / closing member, a stay connecting the first hinge and the second hinge, and the vicinity of the opening of the storage body A guide rail that is attached to the roller and a roller that freely moves in the guide rail, and a door guide that is attached to the lower part of the back surface of the door. One end of the first hinge member is approximately half the vertical width of the door. In conjunction with the operation of pulling the door opening / closing member toward the front of the storage body, one end of the first hinge pushes the door outward from the storage body, and the door guide is moved via the roller. Move upward in the guide rail The door is opened upward while tilting outward from the storage body with a light operating force, and the opened door is provided so as to be positioned substantially parallel to the ceiling without colliding with the ceiling. .

  According to the above configuration, when the door opening / closing member is pulled to the front of the storage body, the operation of the second hinge member that is arranged at the lower part of the storage body wall and has one end attached to the door opening / closing member moves to the upper part of the inner wall of the storage body via the stay. One end is transmitted to the first hinge member attached to the back of the door, the door guide with the roller moves upward in the guide rail and the door starts to open, but at this time, one end of the first hinge member is Because it is fixed to the door fixing member that is arranged below the center position of the vertical width of the door, it is attached to the door's upper end, so that the weight of the door itself that falls on the upper edge of the door falls down outward from the front surface of the container with the roller as the axis. The upper end of the door is fed out to the front of the storage body, and the lower end of the door is moved upward in the guide rail located near the opening of the storage body by the door guide. While opening the door, Without colliding with the well, and finally the door opening in a substantially parallel fashion to the ceiling.

  In the door opening and closing apparatus according to claim 2 of the present invention, the door guide provided with the rollers is formed in a substantially L shape and is provided so as to protrude from the lower end portion on the rear surface of the door.

  According to the above configuration, the roller that freely moves in the guide rail attached in the vicinity of the opening of the storage body is rotatably supported by the substantially L-shaped door guide that protrudes and is fixed from the lower end of the rear surface of the door. However, since the door to be used uses an outset door that covers the front of the enclosure and the door opens while tilting upward on the front of the enclosure, the lower end of the door and the front of the enclosure are not in contact with each other. It is provided.

  According to a third aspect of the present invention, there is provided a door opening and closing device provided with a plurality of stays connecting the first hinge and the second hinge.

  According to the above configuration, when the door opening / closing member is pulled toward the front side of the storage body by using a plurality of stays connecting the first hinge and the second hinge, the upper link of the first hinge can be moved with less movement of the second hinge. Since the movement can be increased and the amount of movement of the door guide can be increased and the door can be opened with a lighter pulling force of the door opening / closing member, it is effective for a door having a large size.

  Therefore, by providing one end of the first hinge below the center position of the vertical width of the door, the load applied to the upper end of the door when the door is opened is moved as the additional position moves with the movement of the door. The door can be opened upwards by simply pulling on the door, and the commonly used outset door can be used as the door to be used. .

  Embodiments of the door opening and closing device of the present invention will be described below with reference to the drawings.

  FIG. 1 is a side view showing a door opening and closing device according to an embodiment of the present invention when the door is closed, and a door 2 and a door opening and closing member 3 are provided on the front surface of the storage body 1 in the vertical direction.

    FIG. 2 is a side view showing the door opening and closing device according to the embodiment of the present invention when the door is opened, and shows that the door 2 is positioned in front of the opening of the storage body 1 substantially parallel to the ceiling. ing.

  In FIGS. 1 and 2, 4 is a first hinge disposed on the upper inner wall of the housing 1, 5 is a second hinge disposed on the lower inner wall of the housing 1, and 6 is a door attached to the lower back of the door 2. A guide 7 is a guide rail attached in the vicinity of the opening of the storage body 1, and 8 is a stay connecting the first hinge 4 and the second hinge 5.

  FIG. 3 is a perspective view illustrating details of the first hinge 4 in the opened state of the embodiment of the present invention.

  According to FIG. 3, the first hinge 4 includes an upper link 41 formed in a substantially L shape that is pivotally fixed to an upper fixing plate 42 that is attached to the upper portion of the inner wall of the storage body 1 with screws, One end of the link 41 is fixed to the rear surface of the door 2 by a door fixing member 43 that is rotatably fixed by a screw below the center position of the vertical width of the door 2, and the other end is along the inner wall of the container 1. It extends downward and is pivotally attached to the stay 8.

  FIG. 4 is a perspective view illustrating details of the second hinge 5 in the opened state of the embodiment of the present invention.

  According to FIG. 4, the second hinge 5 is pivotally fixed at one end to a lower fixing plate 53 attached to the lower portion of the inner wall of the storage body 1 with a screw, and the other end is rotated to a door opening / closing member fixture 54. A lower link A51 formed in a substantially L shape that is freely pivoted, and one end pivotally supported by the lower fixing plate 53, and the other end pivoted by the door opening / closing member fixture 54. The lower link B52 formed in a substantially square shape that is fixed to the shaft, one end is fixed to the rear surface of the door opening and closing member 3, and the other end is rotatably fixed to the stay 8 so that the door opening and closing member 3 is opened and closed. It is comprised with the said door opening / closing member fixing tool 54 which operate | moves with.

  Further, as described above, one end of the stay 8 extends downward along the inner wall of the storage body 1 and is pivotally attached to the upper link 41 formed in a substantially L shape constituting the first hinge 4. The other end is pivotally fixed to a door opening / closing member fixture 54 which is a constituent member of the second hinge 5, and connects the first hinge 4 and the second hinge 5 to each other. The operation of 5 is unified.

  FIG. 5 is a perspective view illustrating details of the door guide 6 according to the embodiment of the present invention.

    A roller 61 that freely moves in a guide rail 7 attached in the vicinity of the opening of the storage body 1 is rotatably supported by a door fixing member 62 to constitute a door guide 6 that is attached to the lower end of the back surface of the door 2. The door fixing member 62 that fixes the roller 61 is formed in a substantially L-shape, and the roller 61 is disposed outside the lower end of the door 2.

  This prevents the edge portion of the lower end portion of the door 2 from coming into contact with the front surface of the opening of the storage body 1 and is fixed to be rotatable with a screw below the center position of the vertical width of the door 2. This corresponds to the door fixing member 43 of the hinge 4, and the lower end of the door 2 is positioned at a certain distance from the front surface of the opening of the storage body 1 when the door 2 is open, so that the forward tilt posture is always maintained.

  At this time, the guide rail 7 may be formed in a groove shape or may be a commercially available rail with a ball bearing or the like, and the lower end of the door 2 can smoothly move up and down near the opening of the housing 1. In particular, the roller 61 need not be set.

  From the above, when the door 2 attached to the front surface of the opening of the storage body 1 pulls the door opening / closing member 3 to the front surface of the opening of the storage body 1, the lower link A51 and the lower link B52 of the second hinge 5 rotate. The door opening / closing member fixture 54 rotates with the door opening / closing member 3 along the movement trajectory to operate the stay 8 connected to one end of the door opening / closing member fixture 54.

  Therefore, the stay 8 connected to the turning operation of the door opening / closing member fixture 54 is pulled downward along the inner wall of the housing 1 and moved, and the upper link 4 of the first hinge 4 starts to turn, and the door 2 is pushed out toward the outside of the opening of the storage body 1, and the door 2 takes a forward leaning posture so as to fall down toward the outside of the opening of the storage body 1 by its own weight.

  At this time, in response to the movement of the door 2, the roller 61 disposed on the door guide 6 attached to the lower end of the back surface of the door 2 has started to move upward in the guide rail 7, and as described above, the door 2 The door 2 that leans forward and leans outward from the opening of the storage body 1 by its own weight is held downward, but it is natural that each of the above-described parts is a series of actions. .

  Furthermore, since the upper part of the door 2 tilts forward with the weight of the door 2 falling toward the outside of the opening of the storage body 1 and the lower part of the door 2 starts to rise upward of the storage body 1, the upper end of the door 2 is placed on the ceiling. On the other hand, since the door 2 moves substantially in parallel, the door 2 is opened with a light force without colliding with the ceiling.

  Further, when the door opening / closing member 3 is pushed back during opening and closing, the weight of the door 2 and the force to close the door opening / closing member 3 are synchronized, and the force to push down the door 2 in the closing direction works. 2 starts to close, but depending on the size and weight of the door 2, a smooth opening / closing operation can be obtained by loading a weight near the position where the upper link 41 of the first hinge 4 and the stay 8 are pivoted.

  FIG. 6 is an overall perspective view of the storage body 1 when the door is opened according to the embodiment of the present invention.

  At this time, the door opening / closing member 3 is opened downward from the floor surface of the storage body 1, but when the article stored in the storage body 1 is taken out, the door opening / closing member 3 does not hit the upper end of the door opening / closing member 3 and remove the article. It is to make it.

  FIG. 7 is a side view of the door 2 opening and closing device showing the embodiment of claim 3 of the present invention when the door is opened and when the door is closed.

  According to FIG. 7, one end of the stay 8-1 is pivotally fixed to the end of the upper link 41 of the first hinge 4, and the other end is pivotally fixed to one end of the stay 8-2. The stay 8-2 is pivotally attached to the side wall of the housing 1 in the vicinity of about two-thirds of the total length, and the other end is pivotally attached to one end of the stay 8-3. ing.

  The stay 8-3 is pivotally fixed to one end of a lower link A51 formed in a substantially L shape of the second hinge 5, and the seesaw motion of the stay 8-2 with respect to the opening / closing operation of the door opening / closing member 3 The amount of movement of the door opening / closing member 3 can be controlled by setting the mounting position of the housing 1 on the inner wall relative to the total length of the stay 8-2. It is effective to open and close 2.

  FIG. 8 is a side view showing a conventional door 2 opening and closing method when the door is opened and when the door is closed.

  As shown in FIG. 8, the door 2 is moved in the vertical direction by a pair of link mechanisms, and when the door is opened, the opening of the storage pair 1 is projected upward while once protruding toward the front of the opening of the storage body 1. In order to open the door in parallel to the door 2, it is necessary to make a large gap between the storage body 1 and the ceiling. Further, in order to counteract the dead weight of the door 2, it is indispensable to install a biasing device.

  As described above, according to the embodiment of the present invention, when the door opening / closing member 3 is operated, the door opening / closing member fixing member 54 is moved along the rotational trajectory of the lower link A51 and the lower link B52 of the second hinge 5. The opening / closing member 3 is moved to the front surface of the opening of the storage body 1, and the first hinge 4 attached to the upper inner wall of the storage body 1 via the stay 8 pivoted to the end of the door opening / closing member fixture 54. The upper link 41 pivotally attached to the upper fixing plate 42 starts to rotate, and the roller 61 pivoted on the door guide 6 disposed at the lower end of the door 2 starts to move upward along the guide rail 7. In the door 2, the door fixing member 43 of the first hinge 4 is fixed below the half of the vertical width of the door 2, and the roller 61 gradually moves upward, so that the door 2 falls down toward the outside of the opening of the storage body 1. The door starts to open with a forward leaning posture.

  The upper end of the door 2 is opened in a forward tilting posture so as to fall down outside the opening of the storage body 1, so that the door 2 moves substantially parallel to the ceiling and opens completely without colliding with the ceiling. In the state, it can be positioned substantially parallel to the ceiling and stop.

The invention's effect

  As described above, the door opening and closing device of the present invention opens and closes the door along the trajectory of the lower link A and the lower link B of the second hinge disposed at the lower part of the housing 1 by pulling the door opening and closing member. The member fixing tool moves the door opening / closing member to the front surface of the opening of the storage body, and the upper part of the first hinge arranged on the upper inner wall of the storage body through a stay pivoted to the end of the door opening / closing member fixing tool The link starts to rotate, the roller that is fixed to the door guide arranged at the lower end of the door starts to move upward along the guide rail, and the door has a door fixing member of the first hinge of the vertical width of the door. Since the roller is fixed below the half position and the roller gradually moves upward, the door is opened with a forward tilting posture that falls down outside the opening of the container, so the upper end of the door is almost parallel to the ceiling. To the ceiling when fully open without colliding with the ceiling. Located in parallel.

  Therefore, when the door provided on the front of the storage unit that is attached to a high place such as a front door or a kitchen is opened upward to open the door, when the gap between the ceiling and the storage unit is narrow or in contact with the ceiling Can be used at any location, and the installation location is not limited.

  In addition, the upper part of the door tilts forward with its own weight leaning outward from the opening of the housing, and at the same time the lower part of the door starts to rise above the housing, and the upper end of the door moves approximately parallel to the ceiling. Therefore, the door can be opened with a light force without colliding with the ceiling and without adding any urging means.

    Furthermore, the door opening and closing device according to the present invention has one end of the first hinge provided below the center position of the vertical width of the door, so that the load applied to the upper end of the door when the door is opened is added to the position as the door moves. Therefore, the door can be opened upwards by simply pulling the door opening / closing member, and the commonly used outset door can be used. Therefore, the workability is improved and the cost is reduced.

The side view at the time of door closing which shows the door opening and closing apparatus of embodiment of this invention The side view at the time of door opening which shows the door opening and closing apparatus of embodiment of this invention The perspective view explaining the detail of the 1st hinge 4 in the open door state of embodiment of this invention The perspective view explaining the detail of the 2nd hinge 5 in the open door state of embodiment of this invention The perspective view explaining the detail of the door guide 6 of embodiment of this invention. The whole perspective view of the storage object at the time of door opening of the embodiment of the present invention Side view of the door opening and closing device showing another embodiment of the present invention at the time of opening and closing the door Side view of the conventional door opening and closing method when opened and closed

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Storage body 2 Door 3 Door opening / closing member 4 First hinge member 41 Upper link 5 Second hinge member 51 Lower link A
52 Lower link B
54 Door opening / closing member fixture 6 Door guide 61 Roller 7 Guide rail 8 Stay

Claims (3)

  A door opening / closing device provided on the front surface of the storage body, wherein the first hinge member is disposed on the inner wall upper portion of the storage body and one end is attached to the back surface of the door, and the one end is disposed on the lower wall of the storage body. A door having a second hinge member attached to the door, a stay connecting the first hinge and the second hinge, a guide rail attached in the vicinity of the opening of the housing, and a roller that freely moves in the guide rail. The one end of the first hinge member is attached below the central position of the vertical width of the door, and in conjunction with the operation of pulling the door opening / closing member toward the front of the storage body. , One end of the first hinge operates to push the door outward from the front of the container, the door guide moves upward in the guide rail via the roller, and the door is moved outward with a light operating force. Open the door while tilting, Without doors are doors collide the ceiling, door opening and closing device provided to substantially positioned parallel to the ceiling.   The door opening and closing device according to claim 1, wherein the door guide provided with the rollers is formed in a substantially L shape and protrudes from the lower end portion of the rear surface of the door.   The door opening and closing device according to claim 1, wherein a plurality of stays connecting the first hinge and the second hinge are provided.

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