JPH07136022A - Frame desk - Google Patents

Abstract

PURPOSE:To stably fix a top plate and a frame by forming a fixing member for fixing a top plate to a frame by a pair of fixing members fixed to the top plate and the frame part, and engaging those members with each other elastically in the direction for intersecting perpendicularly to the axis of the frame member. CONSTITUTION:A resin fixing member comprises a desk plate side fixing member 3a fitted to a desk plate and a frame side fixing member 3b fitted to a desk plate placing part of a frame. Elastic locking pieces 15, 16, 17, 18 are formed on the sides of the desk plate fixing member 3a in such a manner as to grasp a pipe for forming a frame extending from the surface 13 to be fixed to the desk plate which is the base of the desk plate fixing member 3a to its central part. Engaging recessed parts 19, 20 are formed between the elastic engaging pieces 15, 16 and 17, 18. The frame side fixing member 3b covers the desk plate side fixing member 3a and the frame, and the inside surface 21 of the base is installed on the outer peripheral surface of the frame. Engaging pieces 23, 24 are formed on the inside surface 21 to be engaged with the engaging recessed parts 19, 20 of the desk plate fixing member 3a.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is a desk mainly used in a school or the like, and a desk top plate is attached to a frame frame designed to be stacked in many stages during transportation and non-use. It concerns a desk with a different structure.

[0002]

2. Description of the Related Art Heretofore, this type of frame desk has a desk frame which is connected by bending or joining so as to have a leg portion, a support portion and a top plate mounting portion by using a metal square or cylindrical pipe, and this top plate. It is necessary that the top plate is placed on the mounting part and has a very simple structure including a top plate that is screwed together, and that the top plate is lightweight and robust.

[0003]

[Problems to be solved] However, when assembled as a desk, stacking for storage storage during transportation or non-use in a limited space is restricted due to the fixed top plate, Or the number was limited. Therefore,
There has been a demand for a desk having a structure that can carry a large number of desks at a time in a small space or can be stacked in multiple layers so as to be stored. At the same time, it is necessary that the structure is simple, the structure is lightweight, the strength required for a desk is satisfied, and the assembly is easy.

[0004]

DISCLOSURE OF THE INVENTION An object of the present invention is to make a frame portion and a top plate detachable so that the top plate constituting a desk can be arbitrarily removed from the frame during storage during transportation or when not in use. Provide a desk that can match multiple frames to the shape of the frame with only the frame made up of pipes, and stack the pipes that make up the frames so that they are in close contact with each other in the internal space surrounded by the frames. It is to be.

[0005]

Therefore, according to the present invention, the frame member integrally connecting the leg portion and the top plate mounting portion, the top plate, and the synthetic resin for fixing the top plate to the top plate mounting portion of the frame member. A first fixing member, which is a fixed member made of a frame member, which is in close contact with at least a part of the outer peripheral surface of the top plate mounting portion of the frame member, and in which an elastically gripping portion and a fixing portion of the top plate are integrated. An elastic engaging portion that engages with the first fixing member in a direction orthogonal to the axis of the top plate mounting portion of the frame member, and the elastic engagement portion integrally provided to the top plate mounting portion. The present invention relates to a desk including a second fixing member including a fixing portion to be fixed and a fixing member including a second fixing member.

According to the present invention, since the leg frame portion and the top plate are detachable, the flat top plate during transportation or storage and the leg frame portion of only the frame are separately used in a narrow space. It can be densely stacked without leaving a large space. According to the desk according to the present invention, the means for fixing the pipe frame and the top plate are made of synthetic resin, and the shape is straddled to elastically grip the top plate mounting portion of the frame part and the pipe outer peripheral surface is closely attached. Since it has such a shape, a large stress concentration does not occur in the fixing portion to the frame and the top plate, so that it does not break, and a wide contact surface provides a high detaching force.

According to the present invention, a fixing member having a portion for elastically gripping the frame portion is formed by an elastic piece extending along the outer peripheral surface of the frame portion. Since it can be adjusted to a desired length, it can be engaged with the frame by a simple operation and a small force, and on the contrary, the elastic biasing force can be increased.

According to the present invention, the fixing member for fixing the top plate and the frame forming the leg portion comprises a pair of fixing members independently fixed to the top plate and the frame portion, respectively, and these are the frame members. Since it has the structure that elastically engages in the direction orthogonal to the axis, the displacement of the fixing member is restrained, and the top plate and the frame can be stably fixed.

Further, according to the present invention, although the leg frame portion and the top plate are fixed via the fixing member, a pair of fixing members corresponding to each other in the fixing direction of the frame portion and the top plate are inserted and fitted. The top plate can be attached and fixed as close as possible to the frame part for engaging with each other.

[0010]

EXAMPLES Hereinafter, a desk of the present invention will be described based on its examples.
A detailed description will be given with reference to the drawings. FIG. 2 is a perspective view showing a desk according to an embodiment of the present invention. This desk 1 has a leg frame 2 assembled with a metal pipe or the like, and a top plate placing portion 2a parallel to the floor surface of the leg frame at an appropriate position, for example, 4
Fixing member 3 obtained by molding a synthetic resin that is fixed in place
And a top plate 4 of a desk made of wood or synthetic resin fixed to the frame 2 via the fixing member 3, and the top plate 4 and the frame 2 are detachably attached by the fixing member 3. There is.

As shown in FIG. 1, the fixing member 3 made of resin is fixed to the desk plate 4, for example, to the desk plate side fixing member 3a attached by bolt connection and to the desk plate mounting portion 2a of the frame 2. , And the frame side fixing member 3b attached by bolt connection. Desk board fixing member 3
A hole 14 for a desk plate mounting bolt (not shown) is provided in the fixing surface 13 to the desk plate 4 which is the base portion of a, and a pipe for forming the frame 2 at the center thereof is provided from this fixing surface 13. Elastic locking pieces 15 and 1 for straddling and gripping
6, 17 and 18 are integrally formed on the side surface of the desk plate fixing member 3a. The lengths of the extended portions of the elastic locking pieces 15 to 18 are adjusted so as to cover the outer peripheral surface corresponding to the central angle of at least 180 ° C. or more of the pipe in cooperation with the inner surface of the fixing surface 13 of the fixing member 3a. . Further, the elastic locking pieces 15, 16 and 17, which are adjacent to each other on the side surface of the desk plate fixing member 3a,
And engaging recesses 19 and 20 formed between the two.

The frame-side fixing member 3b is mounted so as to cover and enclose the desk plate-side fixing member 3a and the frame 2 so that the inner side surface 21 of the base portion thereof is in close contact with the outer peripheral surface of the frame 2. . Therefore, on the inner surface 21,
The engaging pieces 2 are arranged so as to face each other in the direction orthogonal to the axis of the frame to which the frame-side solid member 3b to which the frame-side solid member 3b having the hole 22 for the frame mounting bolt (not shown) is provided.
3, 24 are formed. The engagement pieces 23 and 24 of the frame side fixing member 3b are fitted in the middle of the elastic locking pieces 15 and 16 or 17 and 18 which are adjacent to each other on one side surface of the desk plate fixing member 3a, and Engagement recesses 1 whose tips are formed near the upper edges of both end surfaces of the desk plate fixing member 3a
Both of them are fitted in a state where they are positioned in the insides of 9, 20 respectively.

The desk plate side fixing member 3a and the frame side fixing member 3b are formed of, for example, a synthetic resin material by injection molding so as to have a rectangular outer shape, and the elastic locking pieces (15, 17) facing each other. ), (16, 18) and (23, 24) are spaced apart from each other by the same or slightly larger outer diameter than the pipes forming the frame 2 as shown in FIG. 3, and the fixing members 3a and 3b are located at their respective positions. When fitted together, the inner surface press-contacts the outer peripheral surface of the pipe,
As a result, it comes to retain elasticity. Elastic locking piece 1
The elastic holding surface including the extended portions of 5, 16, 17 and 18 covers the outer peripheral surface of the pipe of the frame 2 for at least half the circumference together with the bases of the respective fixing members 3a and 3b, and elastically press-holds.

In the state where the desk plate side fixing member 3a and the frame side fixing member 3b are completely fitted, it has a rectangular outer shape as shown in FIG. In this way, the engaging pieces 23, 24 to be engaged with the engaging recesses 19, 20 provided on the shoulder portion of the desk plate fixing member 3a.
The desk plate and the leg frame, which are fixed to each other by the fall of the, are prevented from moving, and the assembling of both is completed.

At the same time, when the fixing member 3 is completely fitted, the step formed between the elastic locking pieces 15, 16 and 17, 18 integrally formed and arranged on the desk plate side fixing member 3a. The locking piece 23 of the frame side fixing member 3b,
24 has both extension members, so that both fixing members 3a,
3b is prevented from advancing or retreating, the second mechanical connection between the two is completed, and the pressure contact holding of the pipe of the frame 2 is also completed. To release these couplings, the tip portions of the respective locking pieces 15, 16, 17, 18 and 23, 24 are bent outward and the desk board side fixing member 3a is lifted.

[0016]

As described above in detail, in the desk of the present invention, the frame portion and the top plate can be freely attached and detached, and the top plate constituting the desk can be arbitrarily set for storage during transportation or when not in use. The frame can be removed from the frame, and multiple frames can be matched to the shape of the frame with only the frame made of pipes, and the pipes that make up the frame can be superposed in the internal space surrounded by the frames. The effect of being able to be played is exhibited.

[Brief description of drawings]

FIG. 1 is a perspective view showing an example of a resin-made fixing member for fixing a frame member and a machine member constituting a frame desk of an embodiment of the present invention.

FIG. 2 is an overall perspective view showing an example of a frame desk according to an embodiment of the present invention.

FIG. 3 is a perspective view for explaining the fitting process of the fixing member by enlarging the fixing portion of the frame member and the machine member in the embodiment of the present invention.

FIG. 4 is a perspective view for explaining the state after the fixing member is fitted by enlarging the fixing portion of the frame member and the machine member in the embodiment of the present invention.

[Explanation of symbols]

 1 desk 2 leg frame 3a, 3b resin fixing member 4 desk plate 15, 16, 17, 18, 23, 24 elastic locking piece 19, 20 engaging recess

Claims (1)

[Claims] 1. A frame member integrally forming a leg portion and a desk plate mounting portion, a desk plate detachably attached to the desk mounting portion of the frame member, and the frame member and the desk plate independent of each other. A fixed member made of a pair of synthetic resins fixed by means of at least a base portion and elastic locking pieces arranged at both ends of the base portion, and the elastic holding surfaces of the base portion and the elastic locking piece A desk comprising a structure for holding the outer peripheral surface of a frame member in pressure contact, a fixing member to which the elastic locking piece corresponds, and a fixing member having a coupling mechanism that fits in a direction orthogonal to the axis of the frame member. .