KR101342999B1 - Desk having folding structure - Google Patents

Abstract

The present invention relates to a folding desk, and more particularly, to a folding desk that can be used in combination with a general flat desk and a desk for reading rooms that are covered in all directions.
To this end, the present invention is the lower desk and the lower desk and the lower side plate and the lower plate is assembled integrally; An upper desk of the partition combined use, in which the upper side plate and the upper rear plate are integrally assembled; Folding hinge means connected between the lower back plate of the lower desk and the upper back plate of the upper desk so that the upper desk can be rotated with respect to the lower desk; It is formed in the lower upper plate of the lower desk and the upper side plate of the upper desk, the upper upper plate of the upper desk is in close contact with the lower upper plate of the lower desk, and the upper desk is locked at a position where the upper plate is perpendicular to the lower upper plate. Locking means for fixing; It provides a folding desk, characterized in that configured to include.

Description

Folding desk {Desk having folding structure}

The present invention relates to a folding desk, and more particularly, to a folding desk that can be used in combination with a general flat desk and a desk for reading rooms that are covered in all directions.

In general, desks are manufactured in various structures according to applications such as office desks, classroom desks, and study desks.

In particular, the classroom or study desk, etc. are commonly composed of a top plate, a lower plate having a support leg, and a storage port provided between the top plate and the bottom plate, and the top plate has a flat open structure.

In recent years, candidates and students for various exams can listen to lectures in the classroom, and can study privately in the classroom without lectures.However, because the top of the classroom desk itself is flat and open, City concentration is bound to fall.

In other words, the desk for the classroom room is because there is no closed personal space, such as the desk for the reading room, the learning is disturbed due to the surrounding elements during personal learning, there is a disadvantage that the concentration of deterioration for personal learning can only occur.

On the other hand, when learning on the desk for the reading room, which is sealed in all directions, sometimes the sealed space is stuffy, and the psychological factor that pursues the open space in the learner particles also acts.

The present invention has been made in view of the above points, when listening to lectures in the classroom, such as the upper plate of the desk folded into a flat open structure to use as a classroom desk, etc., in the private learning all around closed private space Its purpose is to provide a folding desk that can be formed and used as a reading desk.

The present invention for achieving the above object: a lower desk and the lower upper plate and the lower side plate and the lower plate is assembled integrally; An upper desk of the partition combined use, in which the upper side plate and the upper rear plate are integrally assembled; Folding hinge means connected between the lower back plate of the lower desk and the upper back plate of the upper desk so that the upper desk can be rotated with respect to the lower desk; It is formed in the lower upper plate of the lower desk and the upper side plate of the upper desk, the upper upper plate of the upper desk is in close contact with the lower upper plate of the lower desk, and the upper desk is locked at a position where the upper plate is perpendicular to the lower upper plate. Locking means for fixing; It provides a folding desk, characterized in that configured to include.

The folding hinge means according to a preferred embodiment of the present invention includes: a first support plate comprising a horizontal end mounted on a rear end bottom of a lower upper plate of a lower desk, and a vertical end extending to a rear surface of the lower upper plate; A second support plate comprising a vertical end mounted on the lower front face of the upper back plate of the upper desk and a horizontal end supported on the bottom of the upper back plate; A hinge pin connecting between a vertical end of the first support plate and a vertical end of the second support plate; A buffer spring which is fitted to the hinge pin and one end is in close contact with the front of the vertical end of the first support plate, and the other end is in close contact with the front of the vertical end of the second support plate; .

Preferably, the vertical ends of the first support plate are integrally formed at both ends of the horizontal end, and are arranged in a row between each vertical end of the first support plate at the center of the upper end of the vertical end of the second support plate and fixed to the hinge pins. It is characterized in that the auxiliary vertical end is further formed integrally.

The locking means according to a preferred embodiment of the present invention comprises: a case mounted over the bottom surface of the front end of the lower upper plate of the lower desk and the inner surface of the lower side plate; A wire wheel rotatably mounted on a bottom surface of the center side of the case; A gear mounted coaxially with the wire wheel and overlapping under the wire wheel; A front end portion is formed with a push end protrudingly mounted on the front of the case so as to be pushed and elastically returned, and a rear end portion of the lock rod having a rack engaged with the gear; A clamp having a vertical bent shape that is rotatably mounted at both ends in the case; One end is fixed to the inner end of the clamp, and the other end of the wire is fixed to the wire wheel; A return spring connected between the inner wall surface of the case and the inner end of the clamp; A structure having a locking groove for accommodating an outer end of the clamp protruding through both side walls of the case, the locking plate being mounted on an inner surface of the lower end of the upper side plate of the upper desk; .

Preferably, the clasp is a vertically bent shape in which the inner end is arranged in the front-back direction and the outer end is arranged in the left-right direction, characterized in that the bent portion, which is a boundary between the inner end and the outer end, is fixed by a hinge pin. .

In addition, a spring is fitted to the outer diameter surface of the pressing end of the unlocking rod protruding through the front of the case, and a stopper for compressing the spring is integrally formed at the outer end of the pressing end.

In addition, the guide pin is mounted between the upper plate and the lower plate of the case to guide the path of the wire during the winding and unwinding of the wire.

Through the above-mentioned means for solving the problems, the present invention provides the following effects.

According to the present invention, the upper desk serving as a partition with respect to the lower desk is rotatably mounted, and in normal times, such as when listening to a lecture in a lecture room, the upper plate of the upper desk in close contact with the upper plate of the lower desk is opened flat Can be used as a desk with a structure.

In addition, during personal learning, the rear plate of the upper desk is erected at 90 ° with respect to the upper plate of the lower desk to form a closed private space on all sides, and can be used as a reading room desk.

1 is an exploded perspective view showing a folding desk according to the present invention,
2a and 2b is a perspective view showing the folding hinge means of the folding desk according to the invention,
3a to 3c is a perspective view showing a locking means of the folding desk according to the invention,
4A and 4B are cross-sectional views illustrating an operating state of the locking means of the folding desk according to the present invention;
5a and 5b is a partial cross-sectional perspective view illustrating an operating state of the folding hinge means of the folding desk according to the invention,
6a and 6b are perspective views showing the use state of the folding desk according to the present invention.
7 is a conceptual diagram of folding the upper desk of the folding desk according to the invention toward the lower desk seating.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The present invention can be used as an open general classroom and learning desk of the flat type, and the main point is to be used as a desk for a reading room, which is formed by three partitions to form a personal space.

To this end, the folding desk of the present invention, as shown in the accompanying Figure 1, the lower desk 100 and the lower desk 100, which is disposed on the floor surface of the lecture room or other places, and 90 degrees to the lower desk 100 to enable rotation The upper desk 200 is mounted.

The lower desk 100 has a lower upper plate 102 that becomes a table for studying by the user, a lower side plate 104 supported on the bottom surface of an arbitrary placement place, and a lower side plate 104 which integrally connects the bottom plate 104. The back plate 106 is provided in a unitary structure.

The upper desk 200 is mounted to the lower desk 100 by 90 degrees by the folding hinge means 300, so that the upper desk 200 can be superimposed on the outer surface of the lower side plate 104 of the lower desk 100. It consists of an upper side plate 204 that rotates angularly, and an upper back plate 206 that integrally connects rear ends of the upper side plate 204, and two upper side plates 204 and one upper thick plate 206 It will act as a partition that covers the surface.

Here, the folding hinge means for interconnecting the upper desk and the lower desk and allowing the upper desk to be rotated by 90 ° will be described with reference to FIGS. 2A and 2B.

The foldable hinge means 300 is connected between the lower rear plate 106 of the lower desk 100 and the upper rear plate 206 of the upper desk 200 so that the upper desk 200 can be rotated with respect to the lower desk 100. do.

More specifically, the folding hinge means 300 is composed of a first support plate 310 mounted on the lower desk 100 side, and a second support plate 320 mounted on the upper desk 200 side.

The first support plate 310 has a horizontal end 312 which is assembled to the rear end bottom of the lower upper plate 102 of the lower desk 100 by a screw or the like, and the lower upper plate 102 at the rear end of the horizontal end 312. It consists of a vertical end 314 extending to the rear of the.

The second support plate 320 is a vertical end 324 which is assembled by a screw or the like on the lower front surface of the upper rear plate 206 of the upper desk 200, and the upper rear plate 206 at the lower end of the vertical end 324. It is composed of a horizontal end 322 extending to support the bottom of the).

In particular, the first support plate 310 and the second support plate 320 are connected to be opened by a hinge pin 330, the vertical end 314 of the first support plate 310 and the second support plate 320 The vertical end 324 is connected by the hinge pin 330.

In more detail, the vertical end 314 of the first support plate 310 is integrally formed at both ends of the horizontal end 312, and the upper end of the vertical end 324 of the second support plate 320 is auxiliary Since the vertical end 326 is integrally formed to extend, the auxiliary vertical end 326 of the second support plate 320 is inserted in a row between the vertical ends 314 of the first support plate 310 and the hinge pin ( By fixing to 330, the first support plate 310 and the second support plate 320 are opened or recessed around the hinge pin 330.

At this time, one side end of the hinge pin 320, the coil portion of the buffer spring 340 is fitted, one side end of the buffer spring 340 is in close contact with the front of the vertical end 314 of the first support plate 310, the other The side end is in close contact with the front of the vertical end 324 of the second support plate (320).

Therefore, when the vertical ends 324 of the second support plate 320 are in close contact with each other at the vertical ends 314 of the first support plate 310, the buffer spring 340 is compressed, and the first support plate 310 is closed. When the vertical end 324 of the second support plate 320 is opened with respect to the vertical end 314 of the buffer spring 340 exerts an elastic restoring force.

Preferably, the surface of the first support plate 310 and the second support plate 320, the hinge pin 330 of the folding hinge means 300, ceramic powder, chromium oxide powder, aluminum oxide powder, yttrium oxide powder, zirconia The powder or any one of chromium nickel powder is thermally coated, and according to frequent folding and unfolding operations of the folding hinge means 300, the first support plate 310 and the second support plate 320 and the hinge pins 330. It is possible to prevent the surface of the metal from being damaged and oxidized.

On the other hand, the folding desk of the present invention is the position where the upper desk 200 is horizontal with respect to the lower desk 100, that is, the upper rear plate 206 of the upper desk 200 is the lower upper plate 102 of the lower desk 100 The upper desk 200 in a position where the upper desk 200 is in close contact with and horizontal to the lower desk 100, that is, the upper desk 200 is perpendicular to the lower desk 100, that is, the upper rear plate 206 of the upper desk 200. ) Includes a locking means 400 for locking and fixing the upper desk 200 at a position perpendicular to the lower upper plate 102.

Here, referring to Figures 3a to 3c attached to the configuration of the locking means as follows.

First, as a configuration of the locking means 400, a rectangular case 410 is mounted on the bottom surface of the front end of the lower upper plate 102 of the lower desk 100 and the inner surface of the lower side plate 104. On both side walls of the case 410, a hole through which the outer end 434 of the lock 430 is accessible is formed therethrough, and a hole through which the unlocking rod 420 is accessible is formed through the front center portion thereof.

At this time, both side ends of the case 410 are inserted through the lower side plate 104 of the lower desk 100 to form the same plane as the outer surface of the lower side plate 104.

On the bottom surface of the center of the case 410, a wire wheel 402, the wire 408 of which the wire 408 is fixed to be wound or unwound, is rotatably mounted by a rotation pin, and also a gear coaxial with the wire wheel 402. 404 overlaps the underside of the wirewheel 402 and is mounted to be rotatable simultaneously.

In particular, the front portion of the case 410, the unlocking rod 420 is mounted so as to be accessible, the front end of the unlocking rod 420 is pushed on the front of the case 410 and protrudes elastically At the rear end disposed inside the case 410, a rack 424 meshing with the gear 404 is formed.

At this time, a spring 452 is fitted to the outer diameter surface of the pressing end 422 of the unlocking rod 420 protruding through the front of the case 410, and a stopper 426 is integrated at the end of the pressing end 422. When the pressing end 422 of the unlocking rod 420 is formed, the spring 452 is compressed by the stopper 426, when the pressing end 422 is released by the elastic restoring force of the spring 452 The push end 422 protrudes forward again and returns.

On the other hand, the clamp 430 of the shape bent vertically at both ends in the case 410 is mounted to be rotatable.

In more detail, the clasp 430 is provided in a vertically bent shape in which the inner end 432 arranged in the front and rear directions and the outer end 434 arranged in the left and right directions are integrally formed in the case 410. The bent portion, which is a boundary between the inner end 432 and the outer end 434, is fixed to the case 410 by the hinge pin 436, and the outer end 434 substantially enters both sidewall surfaces of the case 410. It becomes the part that performs the locking function.

At this time, one end of the wire 408 of a predetermined length is fixed to the inner end 432 of the clamp 430, the other end is fixed to the wire wheel 402 to be wound.

In addition, a roller-shaped guide pin 412 is further mounted between the upper plate and the lower plate of the case 410 to guide the path of the wire when the wire 408 is wound and unwound. A return spring 406 for providing an elastic restoring force is connected between the inner wall surface of the case 410 and the inner end of the clamp 430.

On the other hand, as one configuration of the locking means 400, the inner surface of the lower end and the rear end of the upper side plate 204 of the upper desk 200, that is, 90 ° from the inner surface of the upper side plate 204 of the upper desk 200 The locking plate 440 having the locking groove 442 is integrally mounted on the lower and rear ends of the locking plate 440. The locking groove 442 of the locking plate 440 protrudes through both side walls of the case 410. The outer end 434 of) is inserted in a lockable manner.

Here, the operation flow for the folding desk of the present invention made of the configuration as described above are as follows.

3 sides obscure reading room desk

As shown in FIG. 6A, the upper desk 200 is erected with respect to the lower desk 100, so that the upper side plate 204 and the upper rear plate 206 of the upper desk 200 cover three sides. This can be used as a desk for a reading room.

At this time, the lower upper plate 102 of the lower desk 100 is in a horizontal state, and the upper side plate 204 and the upper rear plate 206 of the upper desk 200 are in a state of being set up perpendicular to the lower upper plate 102, The vertical state of the upper desk 200 is locked by the locking means 400.

More specifically, as shown in FIG. 4A, an outer end 434 of the clamp 430 mounted in the case 410 protrudes through both side wall surfaces of the case 410, and at the same time the upper desk 200 of the upper desk 200. By being fitted in the locking groove 442 of the locking plate 440 mounted on the upper side plate 204, the standing state of the upper desk 200 is maintained.

In addition, the horizontal end 312 of the first support plate 310 of the foldable hinge means 300 is mounted on the bottom surface of the rear end of the lower upper plate 102 of the lower desk 100 as shown in FIG. At the same time, the vertical end 314 is connected to the hinge pin 330 and maintains a vertical state, and the vertical end 324 of the second support plate 320 mounted on the upper rear plate 206 of the upper desk 200. ) Will remain vertical.

At this time, one side end of the buffer spring 340 in close contact with the front end of the vertical end 314 of the first support plate 310 is maintained in a fixed state, and close contact with the front end of the vertical end 324 of the second support plate 320. The other end of the shock absorbing spring 340 is compressed with respect to one end.

In this way, the upper desk 200 is firmly erected with respect to the lower desk 100, and the upper side plate 204 and the upper rear plate 206 of the upper desk 200 serve as a partition covering three sides, so that the reading room desk It is possible to use the lower top plate 102 of the lower desk 100 as a learning table while securing a personal space as in the use.

Flat desk with 3 sides open

As shown in FIG. 6B, the upper desk 200 is laid on the lower desk 100 so that the upper rear plate 206 of the upper desk 200 is the lower upper plate 102 of the lower desk 100. By being in close contact with the upper surface, the upper plate 206 can be used at the same time as the classroom desk table.

To this end, as shown in FIG. 4B, the pressing end 422 of the unlocking rod 420 mounted on the front center portion of the case 410 is pressed.

As the pressing end 422 of the unlocking rod 420 is pressed, the rack 424 formed at the rear end of the unlocking rod 420 linearly rotates and rotates the gear 404 in one direction.

Subsequently, at the same time as the gear 404 rotates, the wire wheel 402 rotates in the winding direction, so that the wire 408 is wound around the wire wheel 402, and at the same time, the wire 408 is fastened to each clamp ( By pulling the inner end 432 of the inner side 432 inward, the clamp 430 is angular rotation about the hinge pin 436, the outer end 434 of the clamp 430 also angular rotation inward To enter the inside of the case 410.

Therefore, the outer end 434 of the clamp 430 is separated from the locking groove 442 of the locking plate 440 mounted on the inner surface of the lower end of the upper side plate 204 of the upper desk 200, the upper desk 200 ) Is unlocked.

Accordingly, when the upper desk 200 is rotated 90 degrees with respect to the lower desk 100 while pulling forward, the upper rear plate 206 of the upper desk 200 is the lower upper plate 102 of the lower desk 100. The upper side plate 204 of the upper desk 200 overlaps with the outer surface of the lower side plate 104 of the lower desk 100 at the same time, and the three upper surfaces of the upper desk 200 are opened. It can be used like a classroom desk table.

At this time, as shown in Figure 5b, the horizontal end 312 of the first support plate 310 of the folding hinge means 300 is mounted on the bottom surface of the rear end of the lower upper plate 102 of the lower desk 100 While maintaining the horizontal, the vertical end 314 is connected to the hinge pin 330 and maintains the vertical state, the vertical end 324 of the second support plate 320 is the upper rear plate 206 of the upper desk 200 And so it is in a state that is 90 ° angle rotated around the hinge pin 330 together with the auxiliary vertical end 326.

At the same time, the vertical end 324 and the auxiliary vertical end 326 of the second support plate 320 are rotated by 90 ° about the hinge pin 330 with respect to the vertical end 314 of the first support plate 310. As the state, the shock absorbing spring 340 serves to reduce the force during the front angular rotation of the upper desk 200 while exhibiting an elastic restoring force.

That is, one side end of the buffer spring 340 in close contact with the front end of the vertical end 314 of the first support plate 310 is maintained in a fixed state, and close contact with the front end of the vertical end 324 of the second support plate 320. The other end of the shock absorbing spring 340 is opened while being exerted in an elastic restoring force and becomes compressible, thereby assisting the force when the upper desk 200 is laid forward.

In such a state, when the upper desk 200 is placed vertically again, the shock absorbing spring 340 is compressed and acts as a shock absorber, so that the upper desk 200 is vertically lifted again. When the shock is buffered.

As such, the upper desk 200 is laid on the lower desk 100 so that the upper rear plate 206 of the upper desk 200 is brought into close contact with the lower upper plate 102 of the lower desk 100. At the same time, the rear surface of the upper rear plate 206 of the upper desk 200 can be used as a classroom desk table.

Meanwhile, as shown in FIG. 7, the upper side plate 204 of the upper desk plate 204 is folded into the upper rear plate 206, and the other upper side plate 204 is folded back to the upper side plate 204. Fold toward the side, so that both the upper plate 206 and the two upper side plates 204 are in close contact, and then folded to lie down toward the lower top plate 102 of the lower desk 100, to implement a classroom desk Can be.

100: lower desk 102: lower top
104: lower side plate 106: lower plate
200: upper desk 204: upper side plate
206: upper plate 300: folding hinge means
310: first support plate 312: horizontal end
314 vertical end 320 second support plate
322: horizontal stage 324: vertical stage
326: auxiliary vertical end 330: hinge pin
340: buffer spring 400: locking means
402: wirewheel 404: gear
406: return spring 408: wire
410: case 412: guide pin
420: unlocking rod 422: push end
424: rack 426: stopper
430: clamp 440: locking plate
442: locking groove 432: inner end
434: outer end 436: hinge pin
452: spring

Claims (10)

A lower desk 100 on which the lower upper plate 102, the lower side plate 104, and the lower rear plate 106 are integrally assembled;
An upper desk 200 having a combined partition, in which the upper side plate 204 and the upper rear plate 206 are integrally assembled;
Foldable hinge means 300 connected between the lower rear plate 106 of the lower desk 100 and the upper rear plate 206 of the upper desk 200 so that the upper desk 200 can be rotated with respect to the lower desk 100. )and;
The upper upper plate 206 of the lower desk 100 is formed on the lower upper plate 102 of the lower desk 100 and the upper side plate 204 of the upper desk 200. The locking means 400 which locks the upper desk 200 in a position in which the upper plate 200 is in close contact with the horizontal plate or the upper plate 206 is perpendicular to the lower plate 102;
The folding hinge means 300 is:
A first support plate 310 composed of a horizontal end 312 mounted to a rear end bottom of the lower upper plate 102 of the lower desk 100 and a vertical end 314 extending to the rear surface of the lower upper plate 102;
A second support plate 320 composed of a vertical end 324 mounted on the lower front surface of the upper back plate 206 of the upper desk 200 and a horizontal end 322 supported on the bottom of the upper back plate 206;
A hinge pin 330 connecting between the vertical end 314 of the first support plate 310 and the vertical end 324 of the second support plate 320;
While being fitted into the hinge pin 330, one end is in close contact with the front of the vertical end 314 of the first support plate 310, the other end is in close contact with the front of the vertical end 324 of the second support plate 320 Spring 340;
Folding desk, characterized in that consisting of.
delete The method according to claim 1,
The vertical end 314 of the first support plate 310 is integrally formed at both ends of the horizontal end 312, and the first support plate 310 is formed at the upper center portion of the vertical end 324 of the second support plate 320. Folding desk, characterized in that the auxiliary vertical end 326 which is arranged in a row between each vertical end of the 314 is fixed to the hinge pin 330 is further formed integrally.
The method according to claim 1,
On the surfaces of the first support plate 310 and the second support plate 320 and the hinge pin 330 of the foldable hinge means 300, ceramic powder, chromium oxide powder, aluminum oxide powder, yttrium oxide powder, zirconia powder, chromium nickel Folding desk characterized in that the spray coating of any one kind of powder.
The method according to claim 1,
The locking means 400 is:
A case 410 mounted over the bottom surface of the front end of the lower upper plate 102 of the lower desk 100 and the inner surface of the lower side plate 104;
A wire wheel 402 rotatably mounted on the bottom bottom surface of the case 410;
A gear 404 mounted coaxially with the wire wheel 402 and overlapping under the wire wheel 402;
The front end portion is formed by a pressing end 422 protrudingly mounted on the front of the case 410 so as to be pushed and elastically returned, and the rear end portion includes a unlocking rod 420 having a rack 424 engaged with the gear 404. ;
A clamp 430 having a vertical bent shape rotatably mounted at both ends in the case 410;
One end is fixed to the inner end of the clamp 430, the other end is wire 408 is fixed to the wire wheel 402 to be wound;
A lock plate 442 is configured to accommodate the outer end of the clamp 430 protruding through both side walls of the case 410, the locking plate mounted on the inner surface of the upper side plate 204 of the upper desk 200 440;
Folding desk, characterized in that consisting of.
The method according to claim 5,
The clasp 430 is a vertically bent shape in which the inner end 432 is arranged in the front-rear direction and the outer end 434 is arranged in the left-right direction, and a bent portion that is a boundary between the inner end 432 and the outer end 434. Folding desk, characterized in that fixed by the hinge pin (436).
The method according to claim 5,
A spring 452 is fitted to the outer diameter surface of the pressing end 422 of the unlocking rod 420 protruding through the front of the case 410, and a stopper for compressing the spring 452 at the outer end of the pressing end. Folding desk, characterized in that 426 is formed integrally.
The method according to claim 5,
Folding desk, characterized in that the guide pin 412 is mounted between the upper and lower plates of the case 410 to guide the path of the wire when the wire 408 is wound and unwinded.
The method according to claim 5,
Folding desk, characterized in that between the inner wall surface of the case 410 and the inner end of the clasp 430 is connected to the return spring 406 for the return movement of the clasp 430
The method according to claim 5,
The locking plate 440 is a folding desk, characterized in that mounted on the lower end and the rear end of 90 ° from the inner surface of the upper side plate 204 of the upper desk 200, respectively.

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