KR100601360B1 - The desk which has the desk leg which is the possibility of folding in once - Google Patents

Abstract

The present invention relates to a desk having a one-touch folding desk legs, and two desk legs installed at four corners of the bottom of the desk top plate by using a pair of connecting shafts in which a handle portion provided at a link is rotatably coupled. Connect and install in pairs

The front ends of the links coupled to the pair of connecting shafts are connected to each other so as to operate at the same time on a separate desk leg folding device mounted on the middle of the desk top plate.

By configuring the four desk legs to be folded at once by a very simple operation of pushing the handle portion provided on the link inward or pulling outward,

It is easy to operate and its installation is sturdy, so it can be operated smoothly and accurately even under heavy load or frequent folding. The purpose is to make the user's convenience easier.

The present invention for achieving the above object,

Four desk legs 110, each of which is hinged to the lower side of the desk leg 10 fixed to the bottom four corners of the desk top plate 100, are connected in pairs by a pair of connecting shafts 20. Installed,

The rear end of the link 30 having the handle 31 is connected to the connecting shaft 20 is installed,

The front end of the link 30 is mounted on the center of the bottom surface of the desk top plate 100 and is engaged with the spur gear 230 and the both sides of the outer surface thereof, the rotation of which is selectively interrupted by the operation button 250 and simultaneously operated. It is connected to the desk leg folding apparatus 200 having the air 240 so as to be connected to each other,

Four desks are operated by holding the handle 31 provided on one side link 30 while pushing the operation button 250 provided on the desk leg folding apparatus 200 and pushing inward or pulling outward. It is characterized by that the bridge 110 is made to be configured to be folded at the same time.

Description

One-Touch Folding Desk {The desk which has the desk leg which is the possibility of folding in once}

1 is a partially exploded bottom perspective view showing the entire configuration of the present invention.

Figure 2 is a bottom perspective view showing a state where the legs spread out as the present invention.

Figure 3 is a bottom perspective view showing a folded state of the desk legs as the present invention.

Figure 4 is a bottom view showing a state where the desk legs unfolded as the present invention.

Figure 5 is a bottom view showing a state where the desk legs folded in the present invention.

Figure 6a, Figure 6b is a main configuration of the present invention showing the preventive means for preventing the desk legs from being flipped more than necessary to the rear.

Figure 7 is a state in which a non-slip grip (grip) is configured in the handle portion as the present invention.

♣ Explanation of symbols for the main parts of the drawing

10: desk leg tennis 10a: stop jaw

11: hinge 20: connecting shaft

30: Link 31: Handle

100: desk top 110: desk legs

110a: jam jaw 200: desk leg folding device

210: upper gear box 210a: guide hole

211: Hole 211a: First stopper coupling groove

211b: 2nd stopper coupling groove 220: Lower gear box

230: spur gear 231: button insertion groove

240: Rack gear 250: Operation button

251: stopper

The present invention relates to a desk having a one-touch folding desk legs, and more particularly, one-touch folding desk legs configured to be foldable at the same time four desk legs installed at four corners of the bottom of the desk so as to be easy to use. It relates to a desk provided.

Looking at the desks having conventional folding desk legs, most of the desk legs on the bottom of the desk are all fixed with their respective folding devices, when you want to fold the desk legs, one by one while operating each folding device Configured to fold,

Alternatively, the desk legs are connected in two pairs to be folded, but most of them are configured so that the desk legs are folded while the folding is controlled using a separate control board.

However, all of these conventional desks are subject to significant loads or frequent folding, which requires considerable rigidity, yet must be easy to operate, smooth and accurate, and there should be no damage or breakdown even during long-term use. On the contrary, it falls from the robustness, the operation is inconvenient, the operation is not smooth, the operation is not made correctly, and the damage or the breakdown was frequent during long-term use.

The present invention has been made in view of the above problems,

The four desk legs installed at the four corners of the bottom of the table top are connected to one set using two pairs of connecting shafts, the handles of which are attached to the link, to be rotatable.

The front ends of the links coupled to the pair of connecting shafts are connected to each other so as to operate at the same time on a separate desk leg folding device mounted on the middle of the desk top plate.

By configuring the four desk legs to be folded at once by a very simple operation of pushing the handle portion provided on the link inward or pulling outward,

It is easy to operate and its installation is sturdy, so it can be operated smoothly and accurately even under heavy load or frequent folding. The purpose is to make the user's convenience easier.

The present invention for achieving the above object will be described in more detail based on Figures 1 to 7 in the accompanying drawings.

Desk with one-touch folding desk legs of the present invention is shown in the accompanying drawings, Figures 1 to 5,

Four desk legs 110 are hinged 11 so as to be able to be folded on the desk leg table 10 which is fixed to the bottom four corners of the desk top plate 100 by fasteners such as screws or nails.

And these four desk legs 110 are installed in a pair of two by a pair of connecting shaft 20, the pair of connecting shaft 20, the handle 31 is provided on the link 30, respectively It is combined to be rotatable.

In addition, the front end of the link 30 coupled to the pair of connecting shafts 20 are connected to the separate desk leg folding device 200 mounted on the middle portion of the desk top plate 100, respectively, so as to operate at the same time link It is configured to be able to fold the four desk legs 110 at a time by a very simple operation of pushing inward or pulling outward a portion of the handle 31 provided in the 30.

Here, if the desk leg folding device 200 will be described in more detail,

Upper and lower gear boxes 210 and 220 are screwed to the bottom of the desk top plate 100,

Guide long holes 210a are formed at both side surfaces of the upper and lower gear boxes 210 and 220,

The spur gear 230 is located in the inner middle thereof, and the rack gear 240 coupled to the front end of the link 30 and the hinge 32 is disposed at the left and right sides of the spur gear 230. It is assembled to be transported back and forth with guidance.

At this time, the spur gear 230 has a button insertion groove 231 is formed,

The button insertion groove 231 is equipped with a spring 252,

The upper end of the spring 252 is partially coupled to the bottom of the button insertion groove of the spur gear 230 and is coupled to the bottom of the operation button 250 provided with a stopper 251 on one side of the operation button 250. Of the head portion is configured to protrude into the hole 211 formed in the upper gear box 210 by the elastic force of the spring 252.

In addition, the stopper 251 formed on one side of the operation button 250 is the first stopper coupling groove 211a and the second stopper coupling groove 211b formed at the outer periphery of the hole 211 of the upper gear box 210. Is optionally coupled to).

Here, the present invention is a lower side of the desk leg 110 when the desk leg 110 is unfolded as shown in FIG. 6A as a preventive means for preventing the desk leg 110 from being flipped back more than necessary. It may be in close contact with the desk leg guide bar 40 so as not to be leaned back more than necessary,

As shown in FIG. 6B, the stopping jaw 110a formed at the rear of the desk leg 110 is caught by the stop jaw 10a formed at the rear of the desk leg 10 and is no longer flipped back. It can also be configured to not be supported.

In addition, the present invention is shown as an embodiment in the accompanying drawings, Figure 7,

Alternatively, the grip 31 may be formed on a part or the entire outer surface of the handle 31 provided in the link 30 to easily grip the grip 31 by cushioning or rubber material. .

As described above, the present invention is too obvious that it can be conveniently applied to a desk, a gyoza statue, an outdoor table, and the like.

It describes the operating state of the desk with a one-touch folding desk legs of the present invention configured as described above.
As illustrated in FIGS. 2 and 4, when the desk leg 110 is unfolded, a stopper 251 of the operation button 250 raised by the elastic force of the spring 252 is formed on the upper gear box 210. Since it is coupled to the stopper coupling groove 211a, the rotation of the spur gear 230 coupled with the lower portion of the operation button 250 is interrupted.
When folding the desk leg 110 in such a state, first push down the operation button 250 with a finger and at the same time, while holding the handle 31 provided on one side link 30 in this state and pushes inward.
Then, the stopper 251 of the operation button 250 pressed by the finger is released in the state coupled to the first stopper coupling groove 211a formed in the upper gear box 210 and the operation button 250 is the spur gear 230. Since the sprocket is deeply coupled to the inside of the spur gear 230 along the button insertion groove 231 of
Holding the handle 31 provided on the one side link 30 and pushing inwards, the rack gear 240 coupled to the hinge 32 at the tip of the one side link 30 is guided forward by the guide slot 210a. As the spur gear 230 engaged with the spur gear rotates while advancing, the rack gear 240 engaged with the spur gear 230 also pulls the link 30 while moving forward along the guide slot 210a. ,
Four desk legs 110 installed in pairs by a pair of connecting shafts 20 to which the link 30 is coupled are attached to the hinges 11 of the desk legs 10 as a central axis. 3 and 5 are all folded inward at once.
When the desk legs 110 are all folded as described above, the second stopper formed on the inner surface of the upper gear box 210 is a stopper 251 provided on the operation button 250 which is coupled to the inside of the spur gear 230 and rotates at the same time. Since it is positioned in a straight line perpendicular to the coupling groove 211b, the operation button 250 is moved upward by the elastic force of the spring 252 and the stopper 251 of the operation button 250 is the second stopper coupling groove. The rotation of the spur gear 230 coupled to the lower portion of the operation button 250 by being coupled to 211b is intermittently prevented from spreading the desk legs 110.
That is, in the state where the desk leg 110 is folded as shown in FIGS. 3 and 5, the stopper 251 of the operation button 250 raised by the elastic force of the spring 252 is connected to the upper gear box 210. Since the state is coupled to the formed second stopper coupling groove 211b, the rotation of the spur gear 230 to which the lower portion of the operation button 250 is coupled is interrupted.
This time, when the desk legs 110 are folded in this way, when the desk legs 110 are to be unfolded, the operation button 250 is first pushed down with a finger, and at the same time, the handle provided in one side link 30 in this state ( 31) and pull it outward.
Then, the stopper 251 of the operation button 250 pressed by the finger is released in the state coupled to the second stopper coupling groove 211b formed in the upper gear box 210 and the operation button 250 is the spur gear 230. Since it is coupled to the inside of the spur gear 230 along the button insertion groove 231 of the) is possible,
When grasping the handle 31 provided in the one-side link 30 and pulled outward, the rack gear 240 coupled to the hinge 32 at the tip of the one-side link 30 is guided by the guide hole 210a. As the spur gear 230 engaged with the spur gear 230 rotates while being retracted, the rack gear 240 engaged with the spur gear 230 also pushes the link 30 while retreating backward along the guide slot 210a. Take it out,
The four desk legs 110 installed in pairs connected to the pair of connecting shafts 20 to which the link 30 is coupled are connected with the hinge 11 of the desk leg 10 as a central axis. And as shown in Figure 4 all at once unfold outwards.

When the desk legs are all unfolded as described above, the first stopper coupling groove 211a formed at the inner surface of the upper gear box 210 is a stopper 251 provided on the operation button 250 which is coupled to the inside of the spur gear 230 and rotates at the same time. Because it is located in a straight line perpendicular to the) and the operation button 250 is lifted upward by the elastic force of the spring 252 and the stopper 251 of the operation button 250 to the first stopper engaging groove 211a. Since the rotation of the spur gear 230 is coupled to be interrupted, the desk legs 110 are prevented from being folded.

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The desk provided with the one-touch folding desk legs of the present invention as described above,

First, while holding the operation button 250 with a finger, grab the handle 31 provided on one side link 30 and push the inwards or pull outwards with only a very simple operation of the four leg legs 110 very convenient and accurate It is foldable.

On the other hand, the desk provided with a one-touch folding desk legs of the present invention,

The lower side of the desk leg 110 is the desk leg guide bar when the desk leg 110 is unfolded as shown in FIG. 6A as a preventive means for preventing the desk leg 110 from flipping back more than necessary. Close to (40) so that it does not lean back more than necessary, or

As shown in FIG. 6B, the stopping jaw 10a formed at the rear of the desk leg is caught on the stop jaw 10a formed at the rear of the desk leg 10, so that it can be configured to be no longer flipped backward. Therefore, if additionally installed and used these can be folded more safely and accurately desk legs.

On the other hand, as shown in Figure 7 attached to the non-slip grip (grip) 31a made of cushioning material or rubber on the outer surface of the handle 31 provided in the link 30, it does not slip when the handle 31 is gripped As a result, folding of the desk leg 110 is facilitated.

The present invention as described above is installed on the four legs of the hinge hinged to the desk legs fixedly installed on the bottom four corners of the desk top plate by connecting a pair of two connected shafts by a pair of two connecting shafts,

The desk leg folding device equipped with spur gears, which are selectively interrupted by the operation button at the center of the bottom of the table top, and rack gears that are engaged on both sides of the outer surface of the desk top, can be linked to each other using a link with a handle. Installation so that

First, by holding the handle on one side of the link while pressing the operation button with a finger, it is possible to fold the four desk legs very easily and precisely with a very simple operation of pushing inward or pulling outward,

Above all, it is easy to operate and safe without any injuries during operation, so it is easy and quick to open or fold the desk legs regardless of gender.

In addition, since the assembly state is very solid and precise operation by the gear is possible, the operation is smooth and accurate even if a considerable load is applied or frequent folding is made, and there is an advantage that the service life is long because there is no damage or failure even in the long-term use.

Therefore, the present invention is a very innovative invention with the effect that can greatly reduce the burden on the user convenience and safety and maintenance and replacement costs.

Claims (5)

Four desk legs 110, each of which is hinged to the lower side of the desk leg 10 fixed to the bottom four corners of the desk top plate 100, are connected in pairs by a pair of connecting shafts 20. Installed, The rear end of the link 30 having the handle 31 is connected to the connecting shaft 20 is installed, The front end of the link 30 is mounted at the center of the bottom surface of the desk top plate 100 and is engaged with the spur gear 230 which is selectively intermittently rotated by the operation button 250 and the outer gears thereof. Is connected to the desk leg folding apparatus 200 having a 240 so as to be connected to each other, Four desks are operated by holding the handle 31 provided on one side link 30 while pushing the operation button 250 provided on the desk leg folding apparatus 200 and pushing inward or pulling outward. Desk with a one-touch folding desk legs, characterized in that the leg 110 is configured to be folded at the same time. The method of claim 1, The desk leg folding device, Upper and lower gear boxes 210 and 220 are fastened to the center of the bottom surface of the desk top plate 100 and formed with guide holes 210a on both sides when assembling. The spur gear 230, which is rotatably installed in the upper and lower gear boxes 210 and 220, and has a button insertion groove 231 formed therein, The rack is meshed with the left and right sides of the spur gear 230 and coupled with the front end of the link 30 and the hinge 32 to receive the guide slot 210a during the operation of the link 30 before and after the rack is moved. rack) gear (240), The lower portion is coupled to the inside of the button insertion groove 231 of the spur gear 230 and the head portion is formed in the upper gear box 210 by the elastic force of the spring 252 installed in the button insertion groove 231. A stopper 251 protruding to 211 and formed on one side is selectively selected from the first stopper coupling groove 211a and the second stopper coupling groove 211b formed at the outer periphery of the lower portion of the hole 211 of the upper gear box 210. Desk with one-touch folding desk legs, characterized in that consisting of the operation button 250 is coupled to. The method of claim 1, By forming the desk leg guide bar 40 on the outside of the desk leg 10, the lower side of the desk leg 110 is coupled to the hinge 11, When the desk leg 110 is unfolded, the lower side of the desk leg 110 is in close contact with the desk leg guide bar 40, and the desk leg 110 is further made to prevent the back leg from being flipped more than necessary. Desk with one-touch folding desk legs. The method of claim 1, The lower side of the desk leg 110 is formed a stop jaw (10a) in the rear of the desk leg tennis 10 is coupled to the hinge 11, In the lower rear of the desk leg 110 to form a locking jaw (110a) corresponding thereto, Preventing means for preventing the desk leg 110 from leaning back more than necessary when the locking jaw 110a of the desk leg 110 is caught by the stop jaw 10a of the desk leg 10 when the desk leg 110 is unfolded. Desk with one-touch folding desk legs, characterized in that further comprises a. The method of claim 1, The outer surface of the handle 31 provided in the link 30 is formed by forming a non-slip grip (grip) 31a made of a cushion material or a rubber material to facilitate the grip of the handle 31 is characterized in that it further comprises Desk with one-touch folding desk legs.

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