JPH0537774Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] The present invention can be stored in a vertical wall surface or a plane parallel to it with a so-called one-touch operation when not in use, and can also be used with a one-touch operation when in use. This invention relates to a folding desk that can be unfolded and assembled.

[Conventional technology]

2. Description of the Related Art So-called writing desks in which a plate member serving as a top plate is attached to the front surface of a bookshelf or the like in a manner that it can be raised or lowered freely have been known.

When not in use, the top of this type of desk fits inside the wall on the side of the desk itself, giving it an advantage over regular desks in terms of space efficiency, so it is often used as a so-called personal desk in general households. There is.

[The problem that the idea aims to solve]

Conventional so-called writing desks are stored in an upright position, and the top is folded toward the front so that the top is in a horizontal position relative to the main body of the bookshelf.
The top plate can be pulled out to the front and supported by suspending it from above with support metal fittings, or by supporting it from below with an abutting support material to maintain the horizontal position of the top plate. The majority.

This invention provides a new folding support structure for the top plate for such conventional so-called writing desks, and has a novel mechanism and design in terms of both structure and design.In particular, it improves space efficiency when folded. The objective was to provide a folding desk with good quality.

[Means to solve the problem]

The configuration of the present invention that can solve the above problems is to erect a main frame member having an appropriate length with respect to the vertical wall surface with its upper end movable vertically and freely rotated angularly with respect to the vertical wall surface. , a sub-frame member whose upper end is pivotally mounted in the middle of the left and right main frame members for angular rotation, and whose lower end is pivotally mounted in a fixed position on the lower end side of the vertical wall surface, and the left and right main frame members A top plate member is pivotally attached to the main frame in the middle, and the top plate member is rotatably fixed to the main frame, and when not in use, the frame members and the top plate are arranged on the vertical wall surface or approximately parallel to this wall surface. It is characterized by being folded into a flat plane.

[Effect]

The top plate member is pivotally attached to the main frame member, which is attached so that the upper part can rotate angularly while sliding with respect to the vertical wall surface, so that the top plate member is pivotably attached to the main frame member. It can be mounted so that it can move up and down at the section.

In the folded state, the main frame member and the top plate member are housed in a flat plate shape in a plane parallel to the vertical wall surface.

〔Example〕

Next, an embodiment of the present invention will be described with reference to the drawings.

Fig. 1 is a perspective view of an example of the desk of the present invention in a folded state installed on the front panel wall of an appropriate cabinet body, Fig. 2 is a perspective view of the same in an assembled state, and Fig. 3 is a structure of the desk of the present invention. It is a side view showing an example.

In Figs. 1 to 3, reference numeral 1 denotes a concave portion formed on the front surface of the front panel P of the cabinet C and having a rectangular shape with a slightly vertical length when viewed from the front. It is installed inside this recessed part 1.

Note that, instead of forming the concave portion 1, a frame member (not shown) having a front shape, for example, may be provided on the front surface of the front panel P. Moreover, this frame member may not be fixed to the vertical wall surface, but may be formed separately as one of the constituent members of the desk of the present invention.

Reference numerals 2 and 3 denote left and right main frame members formed on the left and right sides of the recessed part 1 to a length that fits within the height of the recessed part 1, and the upper end thereof has a front surface of the front panel P of the cabinet C. A parallel shaft 4 is provided through the shaft.

This shaft 4 is connected to the left and right side walls 1a and 1 of the concave portion 1.
Vertical guide portions 1c, 1 formed on the inner surface of b.
d and is integrated with the upper portions of the main frames 2 and 3, and is slidable upward and downward in the recessed portion 1.

Casters 2a and 3a are attached to the lower ends of the main frame members 2 and 3, respectively.

Reference numeral 5 designates a sub-frame having an approximately frontal shape and having an upper end pivotally attached to the rear surface of the main frames 2 and 3 in the middle thereof. The mounting structure of the subframe 5 is as follows.

Sub-frame mounting brackets 2b and 3b are respectively attached to the rear faces of the main frames 2 and 3, facing perpendicularly to the front surface of the cabinet C.
The upper ends of the vertical members 5a and 5b of the subframe 5 are pivotally connected to b through connecting shafts 6 and 7 that are parallel to the through shaft 4 (hereinafter, the axis parallel to the through shaft 4 is referred to as a horizontal axis). There is. 5c is a horizontal member that connects the lower ends of the left and right vertical members 5a and 5b, and the lower end surface of this member 5c is used for mounting casters 5d and 5e provided at the lower part of the left and right side walls of the concave portion 1. 5g is pivotally connected to the plate 5f via a horizontal axis.

The main frames 2 and 3 and the subframe 5 can be opened and closed about their connecting shafts 6 and 7, and the opening and closing mechanism thereof is formed as follows, for example.

Gas cylinders 5h and 5i (5i is not shown in FIG. 3) serving as actuators are provided inside the left and right vertical members 5a and 5b of the subframe 5, respectively.

On the other hand, one end of the operating arms 5j, 5k (5k is not shown in FIG. 3) is pivotally attached to the brackets 2b, 3b, and the other ends of the operating arms 5j, 5k are attached to the gas cylinders 5h, 5k. 5i
The main frames 2, 3 and the sub-frame 5 can be opened and closed relative to each other by moving the output ends of the gas cylinders 5h and 5i back and forth. ing.

This opening/closing operation of both frames 2, 3, and 5, and the main frames 2, 3 are connected to the through shaft 4 at the upper end thereof.
Because the gas cylinders 5h and 5i are supported so as to be slidable upward and downward in the recessed part 1, the forward and backward movement of the output ends of the gas cylinders 5h and 5i is performed when the main frames 2 and 3 are housed in the recessed part 1 in the upright state (first position). The posture is continuously changed from the state shown by the chain line in FIG. 3 to the tilted state shown by the solid line in FIG.

Reference numeral 8 denotes a top plate having a substantially rectangular planar shape, and the rear end side of this top plate 8 is pivotally connected to the main frames 2 and 3 by a horizontal through shaft 8a, and is formed to be freely ups and downs with respect to the main frames 2 and 3. has been done.

The structure for pivotally connecting the top plate 8 to the main frames 2 and 3 is configured as follows, for example.

Bearings 8b and 8 are provided on the inner opposing surfaces of the main frames 2 and 3 so as to be slidable in the longitudinal direction thereof.
c is provided to support both ends of the shaft 8a.
The bearings 8b, 8c are provided so as to be able to slide along the main frames 2, 3, and are connected to gas cylinders 8d, 8e connected to both ends of the shaft 8a.
The forward and backward movement of the actuator causes the frames 2 and 3 to move up and down along the longitudinal direction.

On the other hand, at the center of the back surface of the top plate 8, a top plate undulation mechanism 9 is provided along the front and back direction of the top plate 8. An example of the structure of this undulating mechanism 9 is as follows.

9a is a casing of the undulation mechanism 9 provided on the back surface of the top plate 8; 9b is a gas cylinder as an actuator installed in the casing 9a; 9c is an operating link connected to the output end of the cylinder 9b;
Reference numeral 9d is an operating arm whose rear end is connected to the front end of the link 9c and whose rear end is connected to the shaft 8a, and these members 9a to 9d form the raising and lowering mechanism 9.

This mechanism 9 operates so that the top plate 8 is raised or lowered relative to the main frames 2 and 3 by the forward and backward movement of the output end of the gas cylinder 9b.

Further, a sub-top plate 8' is pivotally attached 8a' to the left and right rear surfaces of the front side of the top plate 8, so that the sub-top plate 8' can be pivoted toward the front side of the top plate 8 and pulled out.

Reference numeral 10 denotes a plate-shaped portion which is pivotally attached to a through shaft 4 provided at the upper end portions of the main frames 2 and 3, and is movable about the shaft 4 with respect to the main frames 2 and 3.

This plate-like part 10 also serves as a jade and the lamp 10
A gas cylinder 10c serving as an actuator is provided on the rear lower surface of the main body 10a provided with the arrow b, and the output end of the gas cylinder 10c is connected to an actuating arm 10d attached to the through shaft 4. The main body 10a moves up and down with respect to the main frames 2 and 3 as the output end of the main frame 10c moves forward and backward.

Since this plate-shaped portion 10 is maintained in an upright state with respect to the main frame by a gas cylinder, the upper surface may be used as a shelf board or a sub-top plate.

In the above embodiment, the front shape of the main frame 2, 3, the horizontal member 5c in the sub-frame 5, the top plate 8, and the main body 10a in the plate-shaped portion 10 is the same as each of these members 2, 3, 5c, 8, 10a. The shape is such that it can be embedded within the front shape of the recess 1 formed in the front panel P of the cabinet C without overlapping.

The folding desk of the present invention configured as described above is
Each gas cylinder 5h, 5 as an actuator
i, 9b, 10c are operated to fold and assemble, and in the folded state, as shown in FIG.
In the embodiment, the horizontal member 5c of the subframe 5 is housed in the recess 1 of the cabinet C and is housed in a substantially flat shape within the plane of the front panel P of the cabinet C. By activating , the device is unfolded and assembled into the posture shown in FIGS. 2 and 3, and is ready to be used as a desk. Further, in this state of use, the height of the top plate 8 can be adjusted freely by operating the gas cylinders 8d and 8e.

Although explanations regarding the installation positions, operation buttons, etc. of the operation parts for controlling the operation of each gas cylinder and the operation parts of the lighting equipment have been omitted, the installation positions and operation modes thereof are arbitrary.

[Effect of idea]

The present invention is as described above, and when folded, the top plate and the frame that serves as its supporting member are folded into a flat plate with very little depth. By opening it up and folding the top toward you, you can use it as a regular desk, making it especially space-efficient when not in use.

In particular, since the invented desk becomes almost flat when folded, it is extremely useful as a folding desk that can be attached to the wall of a cabinet or room.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of an example of the desk of the present invention in a folded state installed on the front panel wall of an appropriate cabinet body, Fig. 2 is a perspective view of the same in an assembled state, and Fig. 3 is a structure of the desk of the present invention. It is a side view showing an example. 1... Recessed part of cabinet C, 2, 3... Main frame, 4... Through shaft, 5... Sub frame, 6, 7... Connection shaft, 8... Top plate, 9... Undulation of top plate Mechanism, 10... Lighting section.

Claims (1)

[Claims for Utility Model Registration] 1. A main frame member having an appropriate length relative to the vertical wall surface is erected with its upper end movable vertically and angularly rotatable relative to the vertical wall surface, and the left and right main frame members A sub-frame member whose upper end is rotatably pivoted in the middle of the frame member is fixedly pivoted on the lower end side of the vertical wall surface, and in the middle of the left and right main frame members, A top plate member is pivotally attached to the main frame, and the top plate member is rotatably fixed to the main frame, and both frame members and the top plate member are fixed when not in use.
A folding desk characterized in that it can be folded into the vertical wall surface or a flat surface substantially parallel to the wall surface. 2. The folding desk according to claim 1, wherein the top plate member is attached to the main frame member so that its pivot position can be moved up and down. 3. The folding desk according to claim 1 or 2, wherein a plate-like member is attached to the upper end of the main frame member so that it can be freely raised and lowered through the frame member. 4. The folding desk described in claim 3 of the utility model registration claim, in which a lighting fixture is attached to the plate-like member. 5. The utility model registration claim described in paragraph 3 or 4, in which actuators such as gas cylinders for folding and assembly operations are provided at the pivot joints of the main frame member, subframe member, and top plate member. folding desk.