KR200246361Y1 - High and low regulation for desk and chair - Google Patents

Abstract

The present invention relates to a book, a stool easy to adjust the height, the whole supporting the ground and the legs forming a lozenge inclined inwardly upward, and the height adjustment device configured to be arbitrarily height adjustment on the upper side of the leg By combining the table top or bench seat, you can adjust the height of books and chairs according to the physical condition of the user. However, the height adjusting device is specially configured to make the height of the desk very simple and simple by the simple operation of the lever. In addition, if the writing tool is damaged or lost by making it hard, there is no breakdown even under a large load, and a drop prevention recess is formed on the top of the desk to prevent the writing tool such as a pencil or a ball pen from slipping or rolling down to the floor. To ensure that no It would have to be re-used.

Description

High and low regulation for desk and chair}

The present invention relates to a book, a stool easy to adjust the height, and more specifically, to the book, stool installed on the height adjustment device to adjust the height of the legs on the stool, by using this to fit the user's physical conditions books, stool The height of the is to be adjusted arbitrarily.

Generally, desks and stools are used in schools, such as the existing desks and stools have not only a uniform height is made of uniform height, there was no separate function to adjust the height.

As a result, students whose physical condition is very different from each other may use desks and stools that do not match their physical condition, causing the eyes to bend easily due to the bending of the waist or the out-of-focus distance of books and eyes placed on the desk. The mental and physical stress of the building caused a huge obstacle to the development of a healthy mind and body, and accordingly, there were many problems such as being unable to work efficiently.

Therefore, in recent years, many books and stools that have been installed with height adjusting devices to adjust the height of the legs have been conceived, but almost all of them are very inconvenient to adjust the height of the legs, and there are many problems in the rigidity of the height adjusting devices. After receiving a lot of problems, there were a lot of difficulties in using because there was a problem in reliability such that it could not be used with confidence because of a breakdown.

The present invention has been devised in view of the above-mentioned problems in the prior art, and the height adjustment device of the book and the stool has been specially configured to make the height adjustment of the book and the stool very convenient, accurate, and firm. There is no failure even if received, the user, in particular, students who are using the desk and the bench for a long time to ensure that it can be used with confidence.

1 is an assembled perspective view showing the overall configuration of the present invention.

Figure 2a, Figure 2b is a main configuration state diagram of the present invention,

Figure 2a is an assembled state.

Figure 2b is an exploded perspective view.

Figure 3 is a side cross-sectional view showing a configuration of the present invention.

Figure 4a, 4b is another configuration of the present invention,

4A is a side cross-sectional view.

4B is a side view.

Figure 5a, Figure 5b is another configuration of the present invention,

Figure 5a is a side cross-sectional view.

5B is a side view.

6a, 6b, 6c, and 6d are operation state diagrams of the present invention,

6A is a sectional view showing an initial state.

Figure 6b is a side view showing an initial state.

Figure 6c is a cross-sectional view showing a height adjustment state.

Figure 6d is a side view showing a height adjustment state.

♣ Explanation of symbols for the main parts of the drawing

10: Leg 30: Tops

100: height adjusting device 101, 131: guide rod

110: fixing bracket 111: hinge

112: A lever 113: A guide mechanic

120: guide 121: fixing pin

121a: front end 121b: rear end

122: Spring 130: Slide ball

131: pin coupling hole 140: fall prevention groove

Desk and stool of the present invention for achieving the above object as shown in the accompanying drawings, Figures 1 to 3 as a whole supporting the ground and forming the shape of a lozenge inclined inward to the upper side, and the legs It is composed of a desk top plate 30 or a stool seat plate 35 having a height adjusting device 100 to be coupled to the upper side of the (10) arbitrarily adjustable height, wherein the configuration state of the height adjusting device 100 Looking at the fixing brackets 110, the bottom of which is opened in the longitudinal direction on both sides of the bottom surface of the desk top plate 30 or the bottom of the seat plate 35 of the stool is fixed.

In addition, the front of the fixing bracket 110 is fixed to the upper end of the guide rod 101 inserted into the front leg 10, the rear inner portion of the fixing bracket 110 is inserted into the rear leg 10 Slider 130 formed integrally with the upper end of the guide rod 131 is inserted.

Here, the slide sphere 130 is formed with a plurality of pin coupling holes 132 at regular intervals, the pin coupling hole 132 is inserted into the guide 120 formed on the outer surface of the fixing bracket 110 The tip 121a of the fixing pin 121 is advanced and coupled by the elastic force of the spring 122.

Then, the rear end 121b of the fixing pin 121 is coupled to the guide slot 113 formed at the lower end of the lever 112 hinged to the fixing bracket 110 to the operation of the lever 112. As the fixing pin 121 is retracted by this, the tip 121a of the fixing pin 121 is released from the pin coupling hole 132 of the slide sphere 130 so that the slide sphere 130 slides freely.

Here, the present invention is a fixing pin coupled to the guide hole 113 formed on the lower end of the lever 112 is hinged to the fixing bracket 110, as shown in the accompanying drawings Figures 4a to 4b ( By advancing the 121 and the spring 122 so that the front end of the fixing pin 121 is always coupled to the pin coupling hole 132 of the slide mechanism 130 can be configured by combining the hinge 111 of the lever 112 Can also be.

In addition, the present invention may be configured as a round bar that the fixing pin 121 is integrally formed at the tip as shown in the accompanying drawings, Figures 5a to 5b.

On the other hand, the present invention, as shown in Figure 1, on the outer edge of the upper surface of the desk 30, a writing tool such as a pencil or ball pen is configured to prevent the dropping groove 140 so as not to fall to the floor by sliding or rolling.

The present invention is not limited by the one embodiment described above, in particular, at least one fixing pin 121 is coupled to the pin coupling hole 132 of the slide sphere 130, as necessary The slide tool 130 is freely formed by forming the above and simultaneously operating them by the operation of the lever 112 so that the tip 121a of the fixing pin 121 is released from the pin coupling hole 132 of the slide tool 130. Anything that can be configured to slide into a slide is included.

Referring to the state of use of the book, the stool of the present invention configured as described above based on one embodiment (desk) is as follows.

Height-adjustable desk of the present invention, as shown in Figures 6a to 6b initially to the elastic force of the spring 122 in the pin coupling hole 132 of the slide hole 130 is inserted into the fixing bracket 110 The front end 121a of the fixing pin 121 is advanced by the state so that the slide sphere 130 is firmly fixed to prevent the slide.

In addition, the height of the desk is fixed because the guide rod is formed integrally on the bottom surface of the slide sphere 130 is coupled to the upper end of the leg 10 forming the inwardly inclined lozenge shape.

When adjusting the height of the desk to a height suitable for the physical condition of the user in such a state, as shown in Figure 6c to 6d of the accompanying drawings, first lift the lever 112 formed on both sides with a finger.

Then, the lower end of the lever 112 is retracted while the lever 112 rotates around the hinge 111. At this time, the fixing pin 121 is coupled to the rear end 121b to the guide hole 113 at the lower end of the lever 112. In addition, since the tip of the fixing pin 121 is released from the pin coupling hole 132 of the slide hole 130 at the same time, the slide hole 130 inserted into the fixing bracket 110 is easily moved back and forth. .

Therefore, when the upper surface of the desk 30 is raised, the slide sphere 130 slides in the fixing bracket 110, and the guide rod 131 slides while being adjusted to the angle of the leg 10 forming the inwardly inclined lozenge shape. As well as the guide rod 131 of the sphere 130, all of the other guide rods 101 fixedly installed on the bottom of the predetermined bracket is drawn out from each leg 10.

When the height of the desk is adjusted according to the user's physical condition in this way, when the lever 112 held by the finger is released, the fixing pin 121 having the rear end coupled to the guide slot 113 at the bottom of the lever 112 is spring 122. The slide sphere 130 is fixed while the front end of the fixing pin 121 is coupled to the pin coupling hole 132 of the slide sphere 130 while automatically moving forward by the elasticity of the.

The desk is then firmly fixed with its height adjusted.

As described above, the present invention can adjust the height of the desk very simply and firmly by a simple operation of the lever 112.

This is also the case for the stool produced by the present invention.

In addition, the desk top plate 30 of the present invention is formed with a drop preventing recess 140 so that writing instruments such as pencils or ballpoint pens do not slip or roll so that they do not fall to the floor so that the writing instruments are not damaged or lost.

The present invention as described above combines the desk top plate or bench seat plate having a height adjustment device configured to support the ground as a whole and the upper side of the leg inclined inwardly in the shape of a lozenge, and the height adjustment is configured arbitrarily on the upper side of the leg. By adjusting the height of the book and the table according to the physical condition of the user at will, the height adjusting device is specially configured so that the height of the desk is very convenient, accurate and solid by the simple operation of the lever. This allows the user to use the desk and stool for a long time, so that the height of the book or stool can be arbitrarily adjusted to suit the physical condition of the user. Not only deformation, but also remarkably relieves eye strain, healthy mind and body Of help to the development.

Therefore, students whose physical condition is very different from each other may use desks and stools that do not match their physical condition, causing the eyes to bend easily because the distance is bent or the distance between the books and the eyes placed on the desk is out of focus. Because mental and physical stress does not accumulate, you can concentrate on studying and improve your academic performance, as well as a drop prevention recess on the desk, so writing tools such as pencils and ballpoint pens do not slip or roll to the floor. It is a very innovative design that can be used conveniently because the tool is never damaged or lost.

Claims (4)

Supported by the ground and formed in the shape of a lozenge inclined inward to the upper side, and composed of a desk top plate or a stool seat plate coupled to the upper side of the leg, Fixing brackets are fixed to the bottom of the desk top plate or the bottom of the seat plate on both sides of the bottom is opened in the longitudinal direction, respectively, The rear end of the fixing pin installed to advance by the elastic force of each spring to the outer surface of the fixing bracket is coupled to the guide hole formed at the lower end of the lever hinged to the fixing bracket and installed so that the fixing pin is retracted by the operation of the lever. , In front of the fixing bracket is fixed to the front end of the guide rod inserted into the front leg, The rear inner portion of the fixing bracket is integrally formed with the tip of the guide rod inserted into the rear leg, and inserts the slide sphere formed a plurality of pin coupling holes at regular intervals so that the tip of the fixing pin is coupled, The height of the fixing pin is retracted by the operation of the lever, and the tip of the fixing pin is released from the pin coupling hole of the slide tool, so that the slide tool is freely slid to adjust the height of the book and the chair. Books, stools. The method of claim 1, By advancing the fixing pin coupled to the guide hole formed on the lower end of the lever hinged to the fixing bracket, the spring is connected to the hinge portion of the lever so that the front end of the fixing pin is always coupled to the pin coupling hole of the slide mechanism. Easy to adjust the height of books, stools. The method of claim 1, The book is easy to adjust the height, characterized in that the lever is configured as a round bar formed with a fixing pin integrally at the tip. The method of claim 1, Books, stools easy to adjust the height, characterized in that it comprises a drop-proof recess to prevent writing instruments such as pencils or ball pens on the outer edge of the desk top slip or roll to fall to the floor.