KR200316892Y1 - A teaching desk having a footstool hook - Google Patents

Abstract

The present invention relates to a footrest hanger that is attached to the lower end of the parish desk.

The footrest hanger of the present teaching aid desk has a semicircular inner circumferential surface formed on both upper sides of the lower frame 12 connecting the legs 11 of the desk 10 to each other, and the protrusion 21a is provided at the center of the bottom surface thereof. The foot rest bracket 20 which consists of a spherical fastening piece 21 and a footrest hanger 22 which is formed obliquely to the upper part of the hanger fixing piece 21 and is provided with a plurality of coupling recesses 22a at the rear. The footrest 30 is horizontally adjustable by mounting the outer circumferential portion of the footrest fixture 31 at both ends of the footrest 30 through the coupling recess 22a of the footrest hanger 22. Combined, there are technical features.

The footrest hanger of the teaching aid desk of the present invention is equipped with a hook fixture on the upper part of the lower frame of the teaching aid desk, so that the footrest is coupled horizontally through the rear coupling recess of the footrest hanger. In addition to being able to be firmly coupled to the state of the footrest when the mounting of the footrest is not only an advantage that can be easily and conveniently mounted without changing the structure of the desk, but also has the advantage that can be easily replaced when the footrest hangout .

Description

A teaching desk having a footstool hook}

The present invention relates to a footrest hanger that is attached to the lower end of the desk for teaching aids, and more specifically, a footrest fixing piece having protrusions formed in the longitudinal direction on the inner bottom and a footrest hanger formed with a plurality of coupling grooves therein. The structure is manufactured by molding and mounted on the lower frame of the teaching aid desk, the footrest hanger of the teaching aid desk can be easily and easily coupled to the lower portion of the teaching aid desk.

Generally, parish desks and chairs used by students with various physical conditions in the classrooms of elementary, middle, and high schools are made of standardized dimensions for each physical condition in consideration of the average physical condition of many students. have.

However, even in the case of a classmate in a classroom, the physical condition of the individual shows a significant difference, so that the height of the desk is relatively low for the student who is larger than the average height, and the desk is smaller for the student who is smaller than the average height. The height of the school is so high that students who use a parish desk that does not fit the body size is inconvenient.

Recently, even in middle and high schools, the number of elective courses is increasing due to the expansion of elective courses, and as a result, not only classmates but also students of different grades enter the class. In this case, the discomfort of the students who are taught in a classroom is much larger, and the inconvenience of students by the standardization of the height of the desk is increased.

Therefore, desks and chairs used in schools at various levels are arranged so that desks and stools of various heights can be arranged to meet the physical conditions of individual students, or heights of desks and stools can be adjusted according to their physical conditions. It would be desirable to have an adjustment device provided, but this is difficult in reality because of the high manufacturing costs involved and the high costs involved, including the cost of repairs.

On the other hand, one of the problems that is caused by the top of the desk does not fit the user's physique, when the chair occupant's seat height (height from the ground to the seat) and the height of the desk top is higher than the physique, the sole of the seat of the seat does not touch the ground Accordingly, there is a problem that it is difficult to maintain a stable seating state.

In addition, even in the case of lower grades of elementary school, middle and high school students, it is more difficult to maintain the correct sitting posture, and the habitual bad sitting posture may cause diseases such as scoliosis.

As described above, the seat height of the chair is relatively high compared to the physique of the desk user, so when the seated person's foot is separated from the ground, all the weight of the seated person is supported by the seat plate, so that the thigh feels pain when sitting for a long time. As a result of being separated from the psychological anxiety, the mind becomes distracted, and the chair occupant hangs the buttocks in front of the seatboard in order to reach the ground, and sits down with his arms on the top of the desk. This is being pointed out.

Due to the problems described above, the applicant developed a structure that can be mounted on the bottom of the desk, and applied for a utility model registration (application number: 01-31736) on October 17, 2001, and filed on April 19, 2002. The conventional footrest structure granted the technology evaluation maintenance decision (Reg. No. 260624) is as follows.

1 is a perspective view showing a footrest mounting structure of a conventional teaching aid desk, as shown in the bracket by mounting a bracket provided with a plurality of coupling grooves on the frame formed by the structural change when forming the frame of the lower desk It is made of a structure that can be mounted through the horizontal footrest.

However, the conventional footrest mounting structure has to change the structure of the frame supporting the top plate of the desk through a separate design process from the beginning of the desk production, and the frame material is made of hollow steel, Not only is it difficult to process, it is pointed out that the addition of a working process significantly reduces the production efficiency.

In addition, the conventional footrest mounting structure is made by bending the front leg of the desk chair has a disadvantage that can not easily adjust the position of the footrest according to the physical condition of the seated person.

Therefore, the present invention has been devised to solve the above-mentioned shortcomings pointed out in the footrest structure of the teaching aid desk of the prior art, and a projection is formed on the inner bottom in the longitudinal direction to be fixed by interference fit or on the lower frame of the desk. The upper part of the frame of the lower part of the ordinary teaching aid desk consists of a hanger fixing piece fastened by a fixing means such as a bolt and a footrest hanger which is integrally formed on the upper part of the hanger fixing piece and has a plurality of coupling recesses at the rear. By being wrapped and mounted, the footrest can be easily and conveniently mounted on the footrest without changing the structure of the desk so that the footrest can be fixed in a horizontal state through the rear coupling recess of the footrest. The purpose of the present invention is to provide a footrest of the parish desk.

1 is a perspective view showing a footrest mounting structure of a conventional teaching desk.

Figure 2 is an assembled perspective view of the footrest hanger according to the present invention.

Figure 3 is an enlarged perspective view of the footrest hanger according to the present invention.

Figure 4 is a cross-sectional view of another embodiment of the footrest fixing structure according to the present invention.

Figure 5 is an enlarged perspective view of another embodiment of the footrest hanger according to the present invention.

Figure 6 is an enlarged perspective view of another embodiment of the footrest hanger according to the present invention.

Figure 7 is an enlarged perspective view of another embodiment of the footrest hanger according to the present invention.

((Explanation of symbols for main parts of drawing))

20. Footrest Hook 21. Hook Rest

22. Footrest 22a. Recessed groove

22b. Jamming 30. Footrest

31. Footrest Fixture B. Fixture

The above object of the present invention, the upper surface of the lower frame supporting the lower part of the desk, the inner circumferential surface is formed in a semi-circular shape, and the upper part of the hanger fixing piece is tightly coupled by fixing means such as bolts on the upper part, It is integrally formed to provide a footrest hanger consisting of a footrest hanger having a plurality of engaging grooves at the rear.

The teaching aid desk to which the footrest hanger is mounted is composed of a top plate on a square plate, a leg supporting four corners of the top plate, and a lower frame connected to prevent opening of the lower end of each leg. An injection molded footrest hanger is mounted on both sides of the upper part, and the horizontal footrest is mounted to be height-adjustable through the pair of footrest hangers.

Footrest hanger of the present invention is a semi-circular hanger fastener is fixed tightly on the lower frame while the foot restraint fixture of the footrest is coupled through the rear coupling groove of the footrest integrally formed on the upper frame There is a technical feature in the structure for mounting the height adjustable footrest toward the front of the desk.

Matters relating to the operational effects, including the technical configuration for the above purpose of the footrest mechanism of the present teaching aid desk will be clearly understood by the following detailed description with reference to the drawings showing a preferred embodiment of the present invention.

First, Figure 2 is an assembled perspective view of the footrest hanger according to the present invention, Figure 3 is an enlarged perspective view of the footrest hanger according to the present invention, Figure 4 is a cross-sectional view of another embodiment of the foot restraint fixing structure according to the present invention to be.

As shown, the footrest hanger of the teaching aid desk of the present invention is a teaching aid desk consisting of a top plate on a square plate, legs supporting the lower four corners of the top plate, and a lower frame interconnected to prevent the lower end of each leg from opening. In the upper part of the lower frame 12 for connecting the legs 11 of the desk 10, the inner peripheral surface is formed in a semi-circular shape, the hook fixture fixing piece 21 provided with bolt holes on both sides, and the hook Protruding obliquely formed to the upper portion of the fixing piece 21 is equipped with a footrest hanger (20) consisting of a footrest hanger 22 is provided with a plurality of engaging grooves (22a) in the rear and the footrest hanger ( The footrest 30 through the footrest hanger 22 of 20) is a structure that is coupled to the height adjustable in a horizontal state.

The hook fixture fixing piece 20 is matched with a bolt hole formed on both end sides and a coupling hole 12a formed on the lower frame 12 so that the semicircular inner circumferential surface is in close contact with the hook fixture fixing piece 20. Mounting using both fixing means 25 such as bolts is made to both sides.

The footrest hanger 22 formed integrally with the hanger fixing piece 20 is the outer circumferential surface of the footrest fixture 31 provided on both end portions of the footrest 30 is adjustable height by the multi-stage coupling A plurality of locking projections 22b and coupling recesses 22a are formed at the rear by injection molding so as to be coupled to each other.

In addition, when the footrest hanger 22 is formed integrally with the hanger fixing piece 21 by injection molding, the footrest hanger 22 is inclined at a predetermined angle to the rear of the fixing piece 21, so that The rear can be easily coupled.

The footrest hanger 22 has a plurality of locking protrusions 22b formed at the rear thereof, and the locking protrusion 22b is formed to protrude upward from the rear of the footrest hanger 22 and between the locking protrusions 22b. There is a coupling groove 22a in which the outer circumferential portion of the footrest fixture 20 formed at both ends of the footrest 30 is inserted and fixed in an injection molding, and the footrest 30 is formed through the coupling groove 22a. It is fixed in a horizontal state.

At this time, the footrest 30 is provided with a foot restraint fixture 31 of the rectangular shape to form an obtuse angle with respect to the plate-shaped footrest main body at both ends and the foot restraint fixture 31 is a hanger formed as a perforation part in the center The insertion hole 32 is provided.

On the other hand, as shown in the embodiment of Figure 4 when the footrest hanger 20 is coupled to the lower frame 12 of the desk, the bottom surface inside the hanger fixing piece 21 of the footrest hanger 20 A protrusion 21a is formed at the protrusion 21a, and the protrusion 21a may be coupled to each other by an interference fit through a groove arbitrarily formed in the lower frame, so that a close coupling of the hook fixing piece 21 may be made.

Looking at another embodiment for securing the foot restraint coupling structure of the present invention made of the structure as described above based on the drawings shown below.

Figure 5 is an enlarged perspective view of another embodiment of the footrest hanger according to the present invention, as shown in the footrest hanger 40 of the present embodiment so that the footrest fixture 31 of the footrest 30 can be combined; The support bar 43 is horizontally formed between the both side footrest hooks 42 protruding to the upper portion of the hook mechanism fixing piece 41.

The support rod 43 is a reinforcing structure for distributing the load from the footrest to the footrest hanger 42 on both sides formed to protrude vertically from the hook fixing piece 41 on both sides of the lower frame 12 to be.

In addition, since the support bar 43 is formed integrally with both the footrest hanger 42 in parallel with the footrest mounted through the footrest hanger 42 of the footrest when using the desk while the seated person is sitting on the chair It may be used as an aid.

Next, Figure 6 is an enlarged perspective view of another embodiment of the footrest hanger according to the present invention, as shown in the footrest hanger 50 of the present embodiment is a fastener hanging piece 51 of the lower frame 12 An extension forming part 53 is provided to surround the front end of the lower part of the leg 11 and the upper part of the rear part, and is coupled to the fixing means by a plurality of bolts B and the like.

Like the support rod 43 of FIG. 4, the extension forming part 53 serves as a reinforcing material to achieve a firm coupling when the footrest hanger 50 is fixed on the lower frame 12. In addition to fixing the footrest hanger 50, the lower frame 12 and the rear leg 11 can be further firmly connected.

Finally, Figure 7 is an enlarged perspective view of another embodiment of the footrest hanger according to the present invention, the footrest hanger 60 of the present embodiment as shown is made of iron frame on the lower frame 12 of the desk The hook fixture 61a mounted on the upper part of the 12 and the iron fixture 61 in which the cylindrical pipe 61b integrally protruded in the upper part are combined, and the pipe 61b of the said steel fixture 61 is combined. The footrest hanger 62 made of a synthetic resin material having a coupling recess 62a and a coupling protrusion 62b formed on the rear side thereof is detachably coupled thereto.

The steel fixture 61 is mounted on the lower frame 12 by the fixing means (B) using a plurality of bolts and the like as the footrest hanger of the single body by the injection molding described above, and the hanger fixing piece ( The footrest hanger 62 has a plurality of engaging grooves 62a formed rearward on the outer circumferential surface of the pipe 61b that forms an obtuse angle rearward at the upper center of the 61a.

The footrest hanger 60 according to the present embodiment is compared to the footrest hanger of the other embodiment in which the footrest fixing piece 61a and the footrest hanger 62 are injection molded integrally, the pipe of the steel fixture 61 The footrest hanger 62 of the synthetic resin material is detachably coupled to the 61b, and as the use of the footrest increases, only the footrest hanger 62 which can be old or detached can be replaced with a new one. It is.

As described above, the footrest hanger of the teaching aid desk of the present invention is a hook formed in the longitudinal direction on the inner bottom to be combined by interference fit or fastened by a fixing means such as a bolt on the lower frame of the desk It is formed integrally in the upper portion of the nine fasteners and the hanger fastening piece is composed of a footrest hanger provided with a plurality of coupling grooves in the rear, so that the hanger fixing piece is mounted on the upper upper frame of the precinct desk Through the rear coupling groove of the hanger, the footrest can be firmly coupled in a horizontal state by the foot restraints of both ends coupled, and when the footrest hanger is mounted, it is easy and convenient without changing the structure of the teaching aid desk. Not only does it have the advantage of being fitted, it is also easy to replace when the footrest is aging, There are possible advantages of positioning of the foot to fit physical condition.

Claims (5)

In the footrest hanger is equipped with a bracket having a plurality of grooves formed by changing the structure of the legs for supporting the upper plate of the teaching aid desk and the footrest fixtures of both ends of the footrests through the locking grooves, the desk (10) Hook hole fixing piece 21 and the inner peripheral surface is formed in a semi-circular shape so as to be in close contact with the upper side of both sides of the lower frame 12 connecting the legs 11 of each other and the bolt hole at both ends, Protruding protruding obliquely formed from the center upper surface of the 21) footrest hanger of the teaching aid desk, characterized in that consisting of a footrest hanger 22 is provided with a plurality of engaging grooves (22a) in the rear. The method of claim 1, wherein the hook fixture 21 is a precinct characterized in that the projection 21a is formed in the longitudinal direction in the center of the inner peripheral surface of the semi-circular shape is tightly coupled by the interference fit through the groove of the lower frame 12 Footrest hanger for the desk. According to claim 1, The footrest hanger is characterized in that the support bar 43 is horizontally formed between the two footrest hanger 42 is coupled to the footrest fixture 31 of both ends of the footrest (30) Footrest on the parish desk. According to claim 1, wherein the footrest hanger is provided with an extension forming portion 53 is provided so that the hook holder fixing piece 51 surrounds the rear end of the lower frame 12 and the lower end of the leg 11 of the upper portion thereof. Footrest hanger of the parish desk, characterized in that coupled to the fixing means (B) by a bolt or the like. The steel fastener according to claim 1, wherein the footrest hanger is made of steel, and the hanger fixing piece 61a mounted on the upper portion of the lower frame 12 and the cylindrical pipe 61b are integrally protruded upwardly. (61), the footrest hanger 62 made of synthetic resin material detachably coupled with a plurality of coupling grooves 62a and coupling protrusions 62b formed rearward on the pipe 61b of the steel fixture 61. Footrest hanger of parish desk.