JP2002089125A - Sliding door structure of cabinet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sliding door structure of a completely new cabinet having a good quality of the external appearance since the neighboring door surface is kept in a flush state when the door is shut and preventing the door from being projected in the front of the cabinet when the door is also opened. SOLUTION: On the technical assumption that the sliding door structure of the cabinet is constituted by having guide rails opposed to each other in the up and down ends on the side of an opening section of a cabinet body and a sliding door formed by pivoting rollers fitted to both up and down rails in a slidable manner thereon, the rollers are constituted of first rollers arranged to up and down on the side of a side panel of the sliding door and second rollers arranged to up and down of the inside of the sliding door and, at the same time, both up and down guide rails are constituted of a straight line guide section, each of the rollers is kept in a position flush with the surface of the door adjacent to the sliding door when the door is shut and a short guide section for guiding each of the rollers to the straight ling guide section when the door is slid.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a completely new sliding door structure for opening and closing an opening of a cabinet.

[0002]

2. Description of the Related Art Conventionally, as a door attached to open and close an opening of furniture, a door opening type and a sliding door type are known.

[0003] However, in the case of the conventional double door system, the open door projects in front of the cabinet, which poses a danger of colliding with the body and causing a danger. Therefore, there is a problem that the door may be opened by an impact such as a fall of a stored item due to an earthquake or the like because the door is openably and closably held in the cabinet. In the conventional sliding door system, two sliding doors are arranged not to slide on the same surface but to slide in different guide grooves deviated from each other. There is a problem that a step is generated and appearance quality is impaired.

The present invention has been made in view of the above situation, and has as its object to improve the appearance quality because the adjacent door surfaces are kept flush when the door is closed. An object of the present invention is to provide a completely new cabinet sliding door structure which is good and does not protrude to the front of the cabinet when the door is opened.

[0005]

In order to achieve the above object, according to the present invention, there is provided a guide rail opposed to upper and lower ends of an opening side of a cabinet body, and slidable on these upper and lower guide rails. And a guide roller having a fitted roller supported by a shaft, and a slide door structure of a cabinet configured to have a technical premise, and the guide rollers are respectively disposed above and below a side plate side of the slide door. And first and second guide rollers, and second rollers respectively provided above and below the inside of the slide door. Sometimes, the slide door is held at a position flush with the surface of a door adjacent thereto, and a short guide portion that guides each roller to a linear guide portion when sliding is provided. It is an.

In the present invention, the sliding door is
A plurality of sliding doors are arranged, and each of the sliding doors is slidable along the guide rail.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to an embodiment shown in the accompanying drawings.

As shown in FIGS. 1 to 7, a cabinet K according to this embodiment has a top plate 1, both side plates 2, 3, a bottom plate 4, and a back plate (not shown) having a sectional shape. A cabinet body 5 formed in a substantially U-shape;
And guide rails 6, 7 opposed to the lower front edge of the top plate 1 and the upper front edge of the bottom plate 4, and slidably fitted to these upper and lower guide rails 6, 7. And a pair of left and right flat slide doors 8A and 8B, each of which has a plurality of rollers R pivotally supported. Reference numeral 9 in the drawing denotes a handle attached to the front side of the slide doors 8A and 8B.

The roller R is provided at each of the slide doors 8.
The first upper roller Roa and the first lower pin roller Rob are respectively disposed on the upper and lower sides of the side plates of A and 8B, and the second upper roller Ria and the first upper roller are disposed on the upper and lower sides of the slide doors 8A and 8B, respectively. And two lower pin rollers Rib.

The first upper roller Roa is, as shown in FIG. 5, composed of a cylindrical roller body 11 rotatably supported by a shaft pin 10.

As shown in FIG. 6, the second upper roller Ria is composed of a dish-shaped roller body 13 rotatably supported by a shaft pin 12, and the diameter of the roller body 13 is as described above. The diameter of the roller body 11 is larger than that of the roller body 11.

The first lower pin roller Rob and the second lower pin roller Rib are formed in a pin shape as shown in FIG.

On the other hand, the upper guide rail 6 has a linear guide portion 6A extending in the frontage direction of the cabinet body 1.
L, 6AR and the linear short guide portions 6BL, 6B to which the first upper rollers Roa of the slide doors 8A, 8B move.
R and the arc-shaped short guide portions 6CL, 6CR on which the second upper rollers Ria of the slide doors 8A, 8B move are connected to each other.

The linear guides 6AL and 6AR, the linear short guides 6BL and 6BR, and the arc-shaped short guides 6CL and 6CR.
Are formed in the shape of a rectangular cylinder, respectively, and along the longitudinal direction of the lower surface thereof, a slide groove 14 is formed in which the shaft pins 10 and 12 of the respective rollers are slidably fitted. At substantially the center of the lower surface of the ceiling portion of the body, projecting dams 16, 16 defining a substantially inverted concave groove 15 into which the upper end of the shaft pin 10 is fitted and held are formed so as to project in the longitudinal direction. Have been.

As described above, the first upper roller Roa is provided in the slide groove 14 of the guide rail 6 formed in the rectangular tube shape.
The shaft pin 10 is slidably fitted in the groove 15 and is held movably while being prevented from falling off.
The upper roller Ria is prevented from dropping by the shaft pin 12 slidably fitted in the slide groove 14 and the outer peripheral surface of the dish-shaped roller body 13 rollingly contacting the inner peripheral wall surface of the rectangular cylindrical body. It is configured to move smoothly in the guide rail 6 while being moved.

The straight short guide portions 6BL, 6BR
And the arc-shaped short guide portions 6CL, 6CR
A and 8B are held at a position flush with the surface of one of the sliding doors 8A or 8B when the sliding doors 8A or 8B are closed, and the first upper roller R when sliding.
oa and the second upper roller Ria by the linear guide portion 6AL,
Cabinet body 1 with length to guide to 6AR
Are formed to extend in the front-rear direction.

On the other hand, the lower guide rail 7 has a linear guide portion 7A extending in the frontage direction of the cabinet body 1.
L, 7AR and the linear short guide portions 7BL, 7B to which the first upper rollers Roa of the slide doors 8A, 8B move.
R and the arc-shaped short guide portions 7CL and 7CR, on which the second upper rollers Ria of the slide doors 8A and 8B move, are formed so as to communicate with each other.

The linear guides 7AL, 7AR, the linear short guides 7BL, 7BR, and the arc-shaped short guides 7CL, 7CR.
Does not require a space in which the rollers can roll freely, unlike the upper guide rail 6, so that the groove shape is
Since the lower pin roller Rob and the second lower pin roller Rib are configured to have a slidable groove width, the basic structure is the same as that of the upper guide rail 6, so that details thereof are provided. Detailed description is omitted here.

Next, the operation of the slide door 8A configured as described above will be described. The operation of the adjacent slide door 8B is symmetrical to that of the slide door 8A, and a detailed description thereof will be omitted.

First, when the slide door 8A is opened from the closed state shown in FIGS. 1 and 7, the handle 9 is grasped and the cabinet body side plate side of the slide door 8A is pulled out toward the user.

At this time, the arc-shaped short guide portion 6CL (7C
The second roller Ria (Rib) located at the end of L)
Does not move, but the first roller Roa (Rob) slides from the end of the linear short guide portion 6BL (7BL) to the junction with the linear guide portion 6AL (7AL). As a result, the slide door 8A As shown in FIGS. 8 and 9,
The end on the side of the cabinet body side plate is pulled out toward the front side of the cabinet body 1, and the end on the side of the slide door 8B moves into the cabinet body and slides to a position where it does not interfere with the slide door 8B.

In this state, when the slide door 8A is pressed toward the slide door 8B, the straight short guide portion 6BL
The first roller Roa (Rob) located at the confluence between the (7BL) and the linear guide portion 6AL (7AL) is shown in FIG.
0 to 14, the linear guide portion 6AL (7A
L) and is guided to slide to the other linear guide portion 6
AR (7AR) and the second roller R
ia (Rib) moves from the end of the arc-shaped short guide 6CL (7CL) to the other straight guide 6AR (7AR) from the straight guide 6AL (7AL) via the junction with the straight guide 6AL (7AL). And the sliding door 8A is
It is set to a fully open state hidden behind the sliding door 8B. When closing the slide door 8A from this state, the procedure is the reverse of the above procedure.

In this embodiment, as described above, since the roller body 11 of the first roller Roa is formed so as not to abut on the inside of both side plates of the guide rails 6, 7, the opening and closing operation of the slide door 8A is performed. Sometimes, frictional resistance is not so much applied, so that the slide operation can be performed lightly, and the second roller Ria (Rib) is connected to the guide rails 6,
Because it is formed in the shape of a dish that contacts the inside of both side plates of 7,
It is possible to prevent rattling when the slide door 8A is pulled out or when the slide door 8A is pressed to the fully opened position, and a smooth opening and closing operation can be performed.

In this embodiment, the second roller Ri
a (Rib) is guided along the arcuate short guide portions 6CL, 6CR, so that the second roller Ria
(Rib) The ingress and egress operations between the arc-shaped short guide portions 6CL and 6CR and the linear guide portions 6AL (7AL) can be smoothly and smoothly performed.

[0025]

According to the sliding door structure for a cabinet according to the present invention, as described above, when the door is closed, the adjacent door surfaces are kept flush, so that the appearance quality is good. Further, it is possible to provide a completely novel cabinet sliding door structure in which the door does not protrude forward of the cabinet when the door is opened.

[Brief description of the drawings]

FIG. 1 is a perspective view of a cabinet to which a slide door structure according to an embodiment of the present invention is applied.

FIG. 2 is a bottom view showing a configuration of an upper guide rail of the cabinet.

FIG. 3 is a plan view showing a configuration of a lower guide rail of the cabinet.

FIG. 4 is a sectional view showing a configuration of a main part of the cabinet.

FIG. 5 is a sectional view showing a fitting state of the guide rail and a first roller.

FIG. 6 is a cross-sectional view showing a fitted state of the guide rail and a second roller.

FIG. 7 is an explanatory diagram showing a positional relationship between the guide rail and first and second rollers in a door fully closed state.

FIG. 8 is a perspective view showing an initial movement state when a slide door of the cabinet is opened.

FIG. 9 is an explanatory diagram showing a positional relationship between a guide rail and first and second rollers in the initial movement state.

FIG. 10 is an explanatory diagram showing a positional relationship between a guide rail and first and second rollers when the slide door is further opened.

FIG. 11 is an explanatory diagram showing a positional relationship between a guide rail and first and second rollers when the slide door is further opened.

FIG. 12 is a perspective view showing a state where the slide door is opened along a linear guide portion.

FIG. 13 is an explanatory diagram showing a positional relationship between a guide rail and first and second rollers in the door open state.

FIG. 14 is an explanatory diagram showing a positional relationship between a guide rail and first and second rollers in the slide door fully opened state.

[Explanation of symbols]

 K cabinet Roa, Rob First roller Ria, Rib Second roller 1 Cabinet body 6, 7 Guide rail 8A, 8B Sliding door 6AL, 6AR, 7AL, 7AR Linear guide portion 6BL, 6BR, 7BL, 7BR Linear short guide portion 6CL, 6CR, 7CL, 7CR Arc guide

Claims (2)

[Claims] The present invention has a guide rail opposed to upper and lower ends of an opening side of a cabinet main body, and a slide door in which a roller slidably fitted to the upper and lower guide rails is pivotally supported. In the slide door structure of the cabinet configured as described above, the guide rollers are first rollers respectively disposed on the upper and lower sides of the slide door on the side plate side, and second guide rollers are respectively disposed on the upper and lower sides of the slide door. And the rollers, and the upper and lower guide rails hold the linear guide portion and each roller at a position flush with the surface of the door adjacent to the slide door when the door is closed, and A sliding door structure for a cabinet, comprising: a short guide portion that guides each roller to a linear guide portion when sliding. 2. The slide door according to claim 1, wherein a plurality of slide doors are arranged side by side, and each of the slide doors is slidable along the guide rail. Cabinet sliding door structure.