KR101851556B1 - Folding desk - Google Patents

Abstract

The present invention provides a foldable desk comprising a leg means, a table and a locking means to allow a user to easily perform a locking/unlocking operation when folding and unfolding an upper plate, thereby achieving convenience in use. The leg means comprises: vertical pillars installed to have intervals and allowing upper ends thereof to be positioned with a predetermined height with respect to a bottom surface; auxiliary pillars connected to the vertical pillars, respectively, in such a manner as to be stably erected with respect to the bottom surface to support the vertical pillars; and a horizontal frame connecting inner surfaces of the vertical pillars. The table comprises: a pair of support frames axially coupled through a hinge shaft to be folded and unfolded with respect to each of the upper ends of the vertical pillars; and an upper plate having a plate body having a plate-shape and fixed while connecting the upper surfaces of the support frames. The locking means allows locking and unlocking of rotation of the support frames fixed to the vertical pillars to be folded and unfolded. The locking means comprises: locking brackets coupled to upper ends of the vertical pillars of a leg and having a lock groove recessed inwardly from each outer circumferential surface thereof; lock bodies coupled to a coupling shaft, which are fixed to the support frames to be rotated, to be rotated in the same direction and having locking pins to be inserted into and separated from each locking groove when performing a normal and reverse rotation; a lever coupled to the coupling shaft to be rotated in the same direction and operated by a user holding the lever; and an elastic spring interposed between the coupling shaft and the support frames to rotate the coupling shaft to return to an original position.

Description

Folding desk {Folding desk}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folding type desk capable of folding a top plate horizontally and vertically so that a plurality of tables can be stored in a stacked state when a plurality of tables are stored. The present invention relates to a folding type desk capable of realizing convenience in use.

Generally, in a conference room, a lecture room, or a restaurant, a desk having a caster at the bottom of four legs is widely used so that the number and position of the seats can be easily adjusted.

Such a desk can be easily moved by a caster when a seat is placed and a caster with a brake is used to prevent the caster from rolling after the seating of the seat is completed.

On the other hand, there is a folding-type desk which is configured to be foldable with respect to the legs so that the upper plate can be easily moved even when it is moved without requiring a large space when storing a plurality of desks.

In other words, in the case of a desk used in a seminar room or the like, it is necessary to place a new desk in accordance with a different subject or situation in the meaning of a simple work or a reading stand, The upper plate can be folded so that a space required for storing can be saved.

There is a Korean Patent Registration No. 10-0448983 (name: folding table) which is one of the desks that can be folded as described above, and includes a pair of rear legs standing on the rear side, A pair of front legs obliquely erected from the upper part to the front lower part and an upper plate coupled to the upper part of the rear leg, the upper part being folded at a predetermined angle by folding means, A locking bracket fixed to the upper end of the leg and having a locking groove; a case fixed to a bottom surface of the upper plate and hinged to the locking bracket; a locking pin penetratingly coupled to the locking case and engaged with the locking groove; An operation lever which is embedded in the case and projects to one side and to which the locking pin is coupled; There is made a table is described by a spring that forces.

On the other hand, in Korean Patent Registration No. 10-0652529 (name: a caster assembly and a folding table using the same), as described in the publication, a pair of right and left pipe type front table legs A pair of left and right pipe-type rear table legs to be installed, the leg assemblies of which the upper ends thereof are close to each other and the lower ends thereof are spaced apart from each other; A top plate assembly foldably installed at an upper end of the leg assembly; A top plate stop means for preventing the top plate assembly from being arbitrarily folded when the top plate assembly is unfolded; The table leg connecting member includes a leg connecting pipe portion fixedly coupled to a lower end of a pipe-type table leg, a foot plate connecting member having a brake rod elevating and lowering guide hole integrally formed at a lower end of the leg connecting pipe portion, A table leg insertion space formed in the leg connecting pipe portion and the receiving plate portion in an opened state with an upper portion opened and having a front table leg inserted therein and an outer diameter smaller than the outer diameter of the leg connecting pipe portion at the lower surface of the receiving plate portion, And a horizontal rotation supporting shaft portion on which the brake rod elevating and lowering guide passage is formed. The caster frame includes a cylindrical shaft having a shaft hole into which the horizontal rotation supporting shaft portion is inserted, A caster frame constituted by a wheel support portion provided on both sides of the caster frame; A front caster assembly having wheels mounted vertically rotatably; A rear caster assembly to which a rear table leg of the leg assembly is coupled to a lower end; A brake rod inserted into the inside of the front table leg and the brake rod lifting / guiding passage to move up and down according to a folding operation of the upper plate assembly; A brake pad assembly coupled to a lower end of the brake rod; And a restoring spring for restoring the brake rod to the brake release state.

In the Korean Patent Registration No. 10-1068110 (titled "height adjustment and folding table"), as described in the publication, in a table having legs mounted on the lower part of the upper plate, The first member has a casing which is fitted and fixed to the first member between the first and second members, and the engagement pieces inserted into the engagement groove of the second member mounted on the casing to adjust the height of the second member with respect to the first member ; And a bracket fixed to the upper plate at a point where the upper ends of the legs are connected to the upper plate and connecting bridges through a hinge shaft so as to be rotatable with respect to the brackets, And a folding portion for folding and fixing the upper plate to each of the legs by adjusting the vertical height of the legs and folding and fixing the upper plate in a vertical state, The folding part is formed with a fixing protrusion protruding inside the bracket fixed to the upper plate. The upper end of the first member of the leg is located inside the bracket. The hinge shaft passing through the bracket and the first member in the lateral direction, The first member is connected to be rotatable, and the hinge shaft has, at one side thereof, an end supporting plate and one side outer surface of the bracket A compression spring is disposed to elastically support the hinge shaft with respect to the bracket while a rotary plate is integrally fixed between the fixing protrusions of the bracket and the first member in the middle of the hinge shaft and a rotary knob is integrally formed at the other end of the hinge shaft And the hinge shaft is pulled to one side so that the coupling hole of the rotary plate is released from the fixing protrusion of the bracket and the upper plate is held rotatable with respect to the leg, A table is described in which a coupling hole is inserted into the fixing protrusion of the bracket so that the upper plate and the leg are kept locked.

In addition, as disclosed in Korean Patent Publication No. 10-1307251 (entitled " a folding desk provided with a stopper "), there is a desk top plate, a plurality of And a wheel mounted to both sides of the housing so as to be rotatable by a rotation axis, wherein the desk top plate is rotated at a predetermined angle, wherein the both side supports A pivot shaft supported so as to be rotatable by the frame; A lifting rod installed to be able to move up and down inside the both side support frames, the lifting rod having an upper end bent and protruding from a side surface of the support frame and a lower end extending into the housing; A connecting unit connecting the rotating shaft and the upper end of the lifting rod to each other to move the lifting rod in accordance with the rotation of the rotating shaft; A tilting rod hinged to the lower end of the lifting rod and having a central portion rotatably coupled to the rotation axis of the wheel; A stopper coupled to the other end of the tilt rod; Protrusions formed on the both side support frames and protruding from the upper end of the lifting rod; An entry preventing member which is fitted to the upper end of the lifting rod and is formed to have a width larger than the width of the projecting hole to prevent the upper end of the lifting rod from being drawn into the support frame; And a release preventing ring coupled to the upper end of the lifting rod to prevent the lifting prevention member from separating from the upper end of the lifting rod.

1. Korean Patent Registration No. 10-0448983 2. Korean Patent Registration No. 10-0652529 3. Korean Patent Registration No. 10-1068110 4. Korean Patent Registration No. 10-1307251

However, the conventional folding type desk like this has a problem that it is inconvenient to use because the locking operation for locking and unlocking at the folding of the upper plate is performed at a position that is difficult for the user to operate.

The present invention has been made in order to solve the above-mentioned conventional problems, and it is an object of the present invention to provide a folding device and a folding device thereof, Folding table.

According to another aspect of the present invention, there is provided a folding type desk having vertically spaced upper and lower legs spaced apart from each other by a predetermined distance, And a horizontal frame connecting the inner side surfaces of the vertical supports; A table having a pair of support frames axially fixed to the upper ends of the vertical supports so as to be foldable through hinge shafts so as to be respectively foldable and a plate member having a plate shape fixed while connecting the upper surfaces of the support frames; And locking means adapted to lock and unlock the rotation of the support frame which is foldably secured to the vertical supports, the folding table comprising:

The locking means includes a lock bracket coupled to the hinge shaft through the hinge shaft and coupled to an upper end of a vertical support of the leg, A lock body coupled to the engaging shaft rotatably fixed to the support frame so as to be rotatable in the same direction and having a lock pin inserted into and separated from the lock groove upon normal / A lever coupled to the coupling shaft so as to rotate in the same direction and adapted to be held by a user; And an elastic spring (S) interposed between the coupling shaft and the support frame to rotate the coupling shaft to return to the original position;

Wherein the lock bracket is formed with an auxiliary lock groove in which the lock pin is received and engaged when the lock pin is pivoted toward the lock bracket in a state that the table is erected relative to the leg;

In the leg means, the auxiliary struts are formed in such a manner that an upper portion thereof is located at a position close to the upper end of the vertical strut, and a lower end thereof is bent with an intermediate portion of '┗┓' shape so as to be spaced from the lower end of the vertical strut ;

The vertical struts and the auxiliary struts are connected to each other while being connected to each other through a coupling member formed with a vertical strut coupling groove and an auxiliary strut coupling groove, respectively, the upper end of the vertical strut and the upper strut of the auxiliary strut being fitted to each other.

The auxiliary struts being fixedly coupled to the coupling body so as to be disposed on an outer surface of the vertical struts;

The locking bracket includes: a fitting protrusion penetrating the coupling body and fitting into the upper end of the vertical support; And a 'plate' shaped locking portion extending upward from the upper end of the fitting protrusion and having an outer circumferential surface formed with the locking groove and the auxiliary locking groove, respectively.

In the folding type desk according to the present invention, when the table is folded, the user unlocks the upper plate and the lever by a simple operation of holding the upper plate and the lever by hand, and then the upper plate is rotated around the hinge axis to be folded Therefore, it has a convenient effect.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exploded perspective view of a folding type desk according to an embodiment of the present invention; Fig.
Fig. 2 is a schematic perspective view of a folding type desk according to the present embodiment. Fig.
Fig. 3 is a schematic side sectional view showing a folding type desk according to the present embodiment. Fig.
Fig. 4 is a schematic bottom view perspective view showing a folding type desk according to the embodiment; Fig.
Fig. 5 is a schematic side view showing a folding type desk according to the embodiment. Fig.
6 is a schematic side view showing the use state of the folding type desk according to the embodiment.
Fig. 7 is a partially schematic outline example of a folding type desk according to the present embodiment. Fig.
Figs. 8 to 10 are partial schematic illustrations showing the use state of the folding type desk according to the embodiment. Fig.
Fig. 11 and Fig. 12 are schematic outline examples of another example of a table constituting a folding table according to the present embodiment. Fig.

Hereinafter, a folding type desk according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The embodiments of the present invention can be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described in detail below. This embodiment is provided to more fully describe the present invention to those skilled in the art. Therefore, the shapes and the like of the elements in the drawings can be exaggeratedly expressed to emphasize a clearer description. It should be noted that in the drawings, the same members are denoted by the same reference numerals. Detailed descriptions of well-known functions and constructions which may be unnecessarily obscured by the gist of the present invention are omitted.

1 to 12 are views showing a folding type desk according to an embodiment of the present invention. In the folding type desk 1 according to the present embodiment, a table 4 is folded, So that the locking state can be released and the locking operation can be conveniently performed when the table 4 is arbitrarily folded.

In other words, since the table 4 can be expanded or collapsed, a plurality of desks 1 can be stored in an overlapped state so as to minimize the occupied space, if necessary.

The folding type desk 1 according to the present embodiment includes vertical pillars 21 having an upper end positioned at a predetermined height with respect to a floor surface and spaced apart from each other, Legs (2) having auxiliary struts (22) supported and connected to each other so as to stably stand upright with respect to a plane, and a horizontal frame (23) connecting inner sides of the vertical struts (21); A pair of support frames 41 fixed to the upper ends of the vertical supports 21 via a hinge shaft 31 so as to be foldable respectively and a pair of support frames 41 fixed to the upper ends of the support frames 41, A table (4) having an upper plate (41) having a plate shape; And lock means (3) adapted to lock and unlock the rotation of the support frame (41) which is foldably fixed to the vertical supports (21).

That is, the support frames 41 are folded about the hinge shaft 31 so that the upper plate 41 is disposed upright or horizontally with respect to the vertical support 21; The locking means 3 locks and releases the rotation of the support frame 41 with respect to the vertical support 21 to prevent the upper plate 42 from rotating endlessly.

Therefore, the upper plate 42 is fixed to be vertically usable or vertically arranged, and a plurality of the desks 1 are stacked and stored.

The vertical pillars 21 and the auxiliary pillars 22 are preferably provided with a caster 24 that is idly coupled at the lower end.

In the folding type desk 1 according to the present embodiment, the locking means 3 is engaged with the hinge shaft 31 while being coupled to the upper end of the vertical support 21 of the leg, A locking bracket (32) having a locking groove (322) folded into the locking bracket (32); And a locking pin (33) coupled to the coupling shaft (36) rotatably fixed to the support frame (41) so as to rotate in the same direction and inserted into and separated from the locking groove (322) 34); A lever 37 coupled to the coupling shaft 36 so as to rotate in the same direction and adapted to be held by a user; And an elastic spring S interposed between the coupling shaft 36 and the support frame 41 to rotate the coupling shaft 36 back to its original position.

That is, when the table 4 is folded, the lock pin 33 is separated from the lock groove 322 by a user's simple operation of holding the upper plate 42 and the lever 37 by hand And is unlocked by engagement.

Accordingly, since the user grasps the upper plate 42 and the lever 37 by hand, and then the support frame 41 is rotated around the hinge shaft 31 to be folded, .

In the folding type desk 1 according to this embodiment, the lever 37 is fixed to the end of the coupling shaft 36 which is extended to the outside of the support frame 41, And is arranged to be rotatable on the outer side of the base plate 41.

The locking member 34 is fixed to the coupling shaft 36 and rotates in the same direction when the coupling shaft 36 rotates in the same direction when the lever 37 rotates, And the lock pin 33 is detached and engaged in the lock groove 322.

The elastic spring S is provided between the coupling shaft 36 and the support frame 41 so as to apply an elastic force in a direction in which the lock pin 33 is inserted into the lock groove 322, Respectively.

Accordingly, in a normal state, the lock pin (33) is held in the lock groove (51) to maintain the elastic force.

In the folding type desk 1 according to the present embodiment as described above, the lock pin 33 is inserted into the lock bracket 32 in a state in which the table 4 is erected with respect to the leg 32, the auxiliary lock groove 323 is formed in which the lock pin 33 is received and engaged.

Accordingly, since the table 4 is prevented from rotating in an upright position with respect to the vertical support 21, stability is secured while the plurality of desks 1 are stacked and stored.

The locking bracket 32 includes a fitting protrusion 324 penetrating the coupling body 35 and fitting into the upper end of the vertical column 21; And a lock portion 321 of a plate shape extending upward from the upper end of the fitting protrusion 324 and having an outer circumferential surface formed with the lock groove 322 and the auxiliary lock groove 323, .

Accordingly, the separation of the locking bracket 32 and the vertical support 21 can be stably performed, thereby improving the production efficiency.

In the folding table 1 according to this embodiment, the auxiliary struts 22 in the leg means 2 are located at positions close to the upper ends of the vertical struts 21, And the middle portion is formed to be bent in the shape of '┓' so as to be spaced apart from the lower end of the vertical strut 21.

The vertical struts 21 and the auxiliary struts 22 may include a vertical strut coupling groove 211 in which an upper end of the vertical strut 21 and an upper end of the auxiliary strut 22 are fitted to each other, The auxiliary strut coupling grooves 221 are coupled while being coupled through the respective coupling bodies 35 formed; Most preferably, the auxiliary struts 22 are coupled to the coupling body 35 so as to be disposed on the outer side surfaces of the vertical struts 21.

That is, when the plurality of desks 1 are assembled, the vertical struts 21 are disposed inside the auxiliary struts 22, so that the occupied space is more efficiently reduced.

As a result, space efficiency is maximized.

Hereinafter, the operation and effect of the folding type desk 1 according to the present embodiment will be described in detail.

The folding table 1 according to the present embodiment allows the table 4 to be folded with respect to the leg means 2 so that a plurality of the tables 1 can be stored in an overlapped state. The lock pin 33 is engaged with the lock groove 322 by the elastic force of the lock pin S so that the table 4 is horizontally disposed on the vertical support 21.

When the upper plate 42 and the lever 37 are manually gripped and the lever 37 is rotated when necessary, the coupling shaft 36 linked to the lever 37 is rotated to rotate the lock body 34 And the lock state is released.

In this way, the table 4 is rotated around the hinge axis 31 to fold the table 4 upright after the locked state is released, and then a plurality of folding type desks 1 are stacked and stored .

11 and 12 are views showing another example of the table 4 constituting the folding table 1 according to the present embodiment. A plate (52) in the form of a plate arranged; And a support frame 51 having one end thereof coupled to the inner side of the support frames 41 so as to be idle and the other end to which the support plate 52 is idly rotatably coupled. have.

It is preferable that the length of the support frame 51 is formed to have a turning radius as close as possible to the bottom surface of the upper plate 42 when the support plate 52 rotates.

That is, when the upper plate 42 is maintained in the unfolded state, the support frame 51 rotates the support plate 41 so that the support plate 52 is separated from the upper plate 42; By providing a storage space between the upper plate 42 and the receiving plate 52, the user can easily store the equipment.

On the other hand, when the upper plate 42 is maintained in the folded state, the support frame 51 rotates the support plate 41 so that the support plate 52 is close to the upper plate 42; It is most preferable that the space between the upper plate 42 and the receiving plate 52 is minimized so that the occupied space is minimized so that the plurality of tables 1 are easily overlapped when they overlap each other.

It will be apparent to those skilled in the art that various modifications and equivalent arrangements may be made therein without departing from the scope of the present invention as defined by the appended claims and their equivalents. . Therefore, it is to be understood that the present invention is not limited to the above-described embodiments. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims. It is also to be understood that the invention includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

1: desk 2: legs
21: vertical support 211: vertical support joining groove
22: Auxiliary support 221: Auxiliary support coupling groove
23: Horizontal frame 24: Caster
3: locking means 31: hinge shaft
32: Locking bracket 321: Locking part
322: locking groove 323: auxiliary locking groove
324: fitting projection 33: locking pin
34: lock body 35: coupling body
36: coupling shaft 37: lever
4: Table 41: Support frame
42: Top plate 5: Supporting means
51: support frame 52:
S: Elastic spring

Claims (1)

A vertical support 21 connected to the vertical support 21 and connected to the vertical support 21 so as to be stably upright relative to the floor, (2) having a horizontal frame (23) connecting the inner sides of the vertical columns (21); A pair of support frames 41 fixed to the upper ends of the vertical supports 21 via a hinge shaft 31 so as to be foldable respectively and a pair of support frames 41 fixed to the upper ends of the support frames 41, A table (4) having an upper plate (42) having a plate shape; And lock means (3) adapted to lock and unlock the rotation of the support frame (41) which is foldably fixed to the vertical supports (21);
The locking means 3 includes a lock having a lock groove 322 which is engaged with the hinge shaft 31 while being engaged therewith and is engaged with the upper end of the vertical post 21 of the leg means 2, A locking pin 33 which is coupled to the bracket 32 to rotate in the same direction on the coupling shaft 36 rotatably fixed to the support frame 41 and which is inserted into and separated from the locking groove 322 during normal / A lever 37 coupled to the engaging shaft 36 so as to be rotatable in the same direction and adapted to be manually operated by a user; And an elastic spring (S) interposed between said first and second elastic members (41, 41) so as to rotate said engagement shaft (36) back to its original position;
When the lock pin 33 is pivoted toward the lock bracket 32 in a state where the table 4 is erected with respect to the leg means 2, 33) are received and fitted into the auxiliary locking groove (323);
The auxiliary struts 22 of the leg means 2 are located at a position close to the upper end of the vertical strut 21 and the lower end of the auxiliary strut 22 is spaced from the lower end of the vertical strut 21 The middle portion is formed to be bent in the shape of '┗;';
The vertical struts 21 and the auxiliary struts 22 are formed on the bottom surface with vertical strut coupling grooves 211 in which the upper ends of the vertical struts 21 and the upper ends of the auxiliary struts 22 are fitted, The coupling grooves 221 are coupled while being coupled through the coupling bodies 35 formed respectively;
The auxiliary struts (22) are fixedly coupled to the coupling body (35) so as to be disposed on an outer surface of the vertical struts (21);
The locking bracket 32 includes a fitting protrusion 324 penetrating the fitting body 35 and fitting into the upper end of the vertical column 21 and a fitting protrusion 324 extending upward from the upper end of the fitting protrusion 324, And a lock portion 321 in the form of a plate having the lock groove 322 and the auxiliary lock groove 323 formed therein,
In the table 4,
A support plate 41 in the form of a plate which is arranged in a direction parallel to the upper plate 42 and a support plate 41 which is rotatably coupled at its one end to the inner surface of the support frame 41, (5) comprising a support frame (51) axially axially rotatably connected to the support frame (52);
The length of the support frame (51)
Is formed to have a turning radius as close as possible to the bottom surface of the upper plate (42) when the receiving plate (52) rotates.

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