KR20100052995A

KR20100052995A - Leg supporting apparatus for chair

Info

Publication number: KR20100052995A
Application number: KR1020080111932A
Authority: KR
Inventors: 최경수
Original assignee: 최경수
Priority date: 2008-11-12
Filing date: 2008-11-12
Publication date: 2010-05-20

Abstract

PURPOSE: An apparatus for supporting foot for chair is provided, which facilitates use and can control draw length and angle easily. CONSTITUTION: An apparatus for supporting foot for chair comprises: a pipe member(10) including an inner tube; a mounting member(20) in which one end of the pipe member is rotatably installed at the lower part of the seat of a chair; a footstand member(30) equipped in the other end of the pipe member; and an angle fixing member(40) fixing the circulated location of the pipe member. The angle fixing member comprises: a pipe fixation portion projected to the lower part of the seat; a projection protruded from the outside of the pipe member; and a hinge section equipped in the mounting member.

Description

Footrest device for chairs {LEG SUPPORTING APPARATUS FOR CHAIR}

The present invention relates to a footrest device for a chair, and more particularly, to allow the user to sit comfortably on the leg.

In general, a chair is a body mounting means that allows a user to sit as a device to allow a user to sit or to sit in a comfortable position when the user takes a break or performs various tasks at a desk.

The chair is basically based on including a seat for the user to sit on, the leg for maintaining the seat at a height where the user can sit comfortably, and a backrest mounted on the back of the seat to support the user's back. Including it, the user can sit more comfortably.

In recent years, users, including students and office workers, have been gradually increasing the time spent sitting on the chair, allowing the chair's back angle to be adjusted to maintain the comfort of sitting on the chair, or adjusting the seat height. Various functions have been added, and the situation for the ergonomically designed shapes of the seat and the backrest.

In general, the user should be placed on the ground while sitting on a chair, and when sitting for a long time, work is frequently performed on other structures around the chair to relax the legs.

However, in the case of a conventional chair, there is no means for mounting a foot, and thus, as described above, the user places a leg on the upper part of a structure, a device, etc. near the chair. It was.

In order to solve the above problems, a footrest structure that can be mounted on a chair has been proposed, but the conventional footrest structure is simply a footrest that allows a foot to touch a foot that does not touch the braid, or a spring structure at the bottom of a chair seat. It is composed of the footboard to be pulled out, and inserted into the user's foot in a certain position, so that the adjustment of the length and angle of the footboard is not easy to adjust according to the height or posture of the user was an inconvenience in use.

And in the case of the scaffold structure that is drawn out, inserted into the spring structure is expensive manufacturing costs, it was difficult to apply to the general chair.

It is an object of the present invention to provide a footrest device for a chair that can be easily mounted and used under the seat of a general chair, and can be used to easily adjust the drawout length and angle according to the user's convenience.

The object of the present invention is a pipe member including an inner tube that is inserted and drawn in the outer appearance and appearance;

A mounting member for rotatably mounting one end of the pipe member to a lower seat of the chair;

A foot support member provided at the other end of the pipe member;

It is solved by providing a footrest device for a chair including an angle fixing means for fixing the pivoted position of the pipe member.

The present invention can easily adjust the length and angle of the foot support member is drawn out to increase the convenience of the user, and has the effect of taking a comfortable posture according to the user's taste, physique.

In addition, the present invention is easy to manufacture, because the extraction structure of the footrest is easy, there is an effect of low manufacturing cost.

When described in detail with reference to the accompanying drawings a preferred embodiment of the present invention.

1 is a perspective view showing the configuration of the present invention, showing an example in which the present invention is mounted on the lower seat of the chair.

Figure 2a to 2b is a state diagram of the use of the present invention, Figure 2a shows an example in which the foot support member of the present invention is adjusted in length through a plurality of inner tube portion, Figure 2b is the foot support member of the present invention is rotated An example of adjusting the angle is shown.

Figure 3 is a cross-sectional view showing an embodiment of the present invention, the magnet is provided at the end of the inner tube shows an example that can adjust the pull out length of the inner tube.

4A to 4B are cross-sectional views illustrating yet another embodiment of the present invention, wherein the rotating shaft member protrudes from the lower portion of the sheet and the upper support portion of the bottom support portion supporting the sheet to rotatably couple the rotating shaft member. An example further includes a locking means for locking and releasing rotation of the base shaft member and the rotation shaft member.

Hereinafter, as shown in FIG. 1, the pipe member 10 of the present invention includes an outer tube 11 and an inner tube 12 inserted into and drawn out of the outer tube 11, and the inner tube 12 is It is to be configured to be pulled out in multiple stages, including the other inner tube 12 that is inserted and withdrawn from each inside, the number of stages and length that can be pulled out can be variously modified according to the design.

The pipe member 10 is provided with a pair of spaced apart is the end of the inner tube 12 is finally drawn is fixed to both side ends of the foot support member 30 to be described later.

The footrest member 30 is formed of a cushioned material that can be placed over the user's feet, or manufactured by filling the cushion material in a cover such as cloth, leather, artificial leather, etc., when the user puts the foot cushion It is desirable to have a more comfortable feeling with the senses.

One end of the pipe member 10 is rotatably hinged to the mounting member 20 mounted on the lower seat 2 of the chair (1).

The mounting member 20 may be provided integrally with the seat 2 of the chair 1 or may be manufactured separately and mounted on the seat 2 of the chair 1.

In the present invention, the mounting member 20 is formed in one side of the shaft insertion groove (20a) is opened to be inserted into the rotary shaft member 3 of the sheet 2 in the plate shape, of the shaft insertion groove (20a) Hinge portions 21 are hinged on both sides of the pipe member 10 so as to be rotatable.

The mounting member 20 is basically fastened to the lower part of the seat 2 by fasteners 22 such as bolts and screws.

The end of the pipe member 10 is provided with a hinge shaft 13 hinged to the hinge portion 21.

The lower portion of the seat 2 is provided with an angle fixing means 40 for fixing the pivoted position of the pipe member 10.

The angle fixing means 40 is projected to the lower portion of the seat (2), the pipe fixing portion 41 formed with a plurality of fitting grooves (41a), each having a height difference on either side of the front and rear;

A protrusion 42 protruding outward of the pipe member 10 to fit into a fitting groove 41a of the pipe fixing part 41;

The hinge portion provided in the mounting member 20, the hinge shaft 13 of the pipe member 10 is coupled to the hinge so as to move forward and backward to allow the protrusion 42 to be separated from the fitting groove 41a ( 21).

The pipe fixing portion 41 is formed on the inner side, that is, a plurality of fitting grooves (41a) is formed on the inner side, and is formed of an arc having a center around the hinge portion 21 of the pipe member 10, Since the fitting groove 41a is formed to be radially positioned at the center of the arc, the fitting groove 41a is positioned to correspond to the position of the protrusion 42 which is rotated about the hinge portion 21, and the protrusion is within the same moving range. Insert 42 into the fitting groove (41a), it will be able to detach.

The footrest member 30 of the present invention is used by drawing a plurality of inner tubes 12 in multiple stages from the outer appearance 11 of the pipe member 10 to fit the length of the user's leg as shown in FIG.

In addition, as shown in FIG. 2B, when the hinge shaft 13 is moved to the rear side within the hinge portion 21, the pipe member 10 is rotated by being separated from the fitting groove 41a and rotated. After adjusting to the desired angle, the user moves the front side in the hinge portion 21 again and inserts the protrusion 42 into the fitting groove 41a to fix the position at the adjusted angle.

In other words, as described above, the footrest member 30 can easily adjust the length and angle at which the user is freely drawn.

On the other hand, the pipe member 10 is provided in the outer tube 11 or the inner tube 12 includes a magnet portion 14 for fixing the position of the inner tube 12 magnetically.

The magnet portion 14 is provided at the end of the inner tube 12 inserted into the outer tube 11, or is provided at the end of the other inner tube 12 inserted into the inner tube 12, so that the user has a constant force, that is, the magnet portion ( The inner tube 12 is pulled out only by pulling the inner tube 12 with a force greater than that of the magnetic force 14, so that the inner tube 12 is loaded by the load of the foot support member 30 even when the foot support member 30 is inclined downward. It is to prevent the 12 to be drawn out, and serves to fix the foot support member 30 in the position adjusted by the user.

In addition, it is preferable that the exterior 11 and the inner tube 12 are formed of a material having a property of being attached to the magnet, that is, a magnetic material so that the extraction length of the inner tube 12 can be freely adjusted by the magnetic force of the magnet part 14. .

Therefore, the withdrawal length of the inner tube 12 can be adjusted more finely according to the user's convenience, thereby further increasing the convenience.

On the other hand, the present invention is protruded to the lower portion of the sheet 2 and the rotary shaft member 3 for rotating the sheet 2 and the upper support portion of the bottom support for supporting the sheet 2 is the rotary shaft member 3 is It further comprises a base shaft member (4) rotatably coupled and a locking means (5) for locking and releasing rotation of the rotary shaft member (3).

The rotating shaft member 3 makes the seat 2 rotatable to increase the user's convenience. When the user's foot or leg is placed over the foot support member 30, the seat 2 is related to the user's will. Since there is no discomfort to the user by rotating, the use of the locking means (5) to further increase the user's convenience by preventing the rotation of the rotating shaft member 3 to rotate in a locked state.

The locking means 5 and the first gear portion (5a) provided in the rotary shaft member (3),

A second gear portion 5b provided on the base shaft member 4 and engaged with the first gear portion 5a;

A spring 5c for elastically supporting the rotating shaft member 3 in the base shaft member 4 to separate the first gear portion 5a from the second gear portion 5b;

A state in which the first gear portion 5a and the second gear portion 5b are spaced apart from each other by being coupled to the rotation shaft member 3 to be inserted into the engaging groove 4a formed around the outer circumferential surface of the base shaft member 4. And a fixture 5d for fixing the rotary shaft member 3 to the furnace.

That is, in the state where the fastener 5d is inserted into the locking groove 4a of the base shaft member 4, the rotation shaft member 3 is spaced apart from the first gear portion 5a and the second gear portion 5b. It is maintained as is freely rotated in the base shaft member (4).

In addition, when the fastener 5d is separated from the locking groove 4a of the base shaft member 4, and the user does not sit on the seat 2, the rotation shaft member 3 has the first gear portion 5a at the second position. The gear portion 5b is maintained in a spaced apart state by the spring 5c and is freely rotated in the base shaft member 4.

On the other hand, the fastener 5d is separated from the locking groove 4a of the rotary shaft member 3, and the rotary shaft member 3 has the first gear portion 5a at the second position when the user sits on the seat 2. The gear portion 5b is fixed so as not to rotate while being engaged.

Therefore, when the user sits on the seat 2 and lifts the fastener 5d from the locking groove 4a while raising the foot or leg to the foot support member 30, the first gear part 5a is the second gear part ( 5b) is fixed so that the sheet 2 is not rotated about the rotation shaft member (3).

When the user removes the load by lifting the hip while sitting on the seat 2, the first gear portion 5a is spaced apart from the second gear portion 5b by the load of the spring 5c and the seat 2 ) Can be rotated freely.

In addition, when the footrest member 30 is not used, the fastener 5d may be inserted into the locking groove 4a to hold the seat 2 freely rotatable regardless of the load applied to the seat 2. will be.

The present invention is not limited to the above-described embodiments, and various changes can be made without departing from the gist of the present invention, which is understood to be included in the configuration of the present invention.

1 is a perspective view showing the configuration of the present invention

2a to 2b is a use state diagram of the present invention

3 is a cross-sectional view showing an embodiment of the present invention.

4A to 4B are cross-sectional views showing yet another embodiment of the present invention.

* Description of the major symbols in the drawings *

1: chair 2: seat

3: rotating shaft member 4: base shaft member

5: locking means 10: pipe member

11: appearance 12: inner tube

13: hinge shaft 14: magnet portion

20: mounting member 21: hinge portion

30: foot support member 40: angle fixing means

41: pipe fixing part 42: protrusion

Claims

A pipe member including an outer tube and an inner tube inserted into and drawn out of the outer tube;

A foot support member provided at the other end of the pipe member;

Footrest support device for a chair, characterized in that it comprises an angle fixing means for fixing the pivoted position of the pipe member.

The method according to claim 1,

The angle fixing means is projected to the lower portion of the seat, the pipe fixing portion formed with a plurality of fitting grooves on each one of the front and rear surface with a height difference;

A protrusion protruding from the outside of the pipe member so as to fit into a fitting groove of the pipe fixing part;

And a hinge portion provided on the mounting member, the hinge portion of which hinge shaft of the pipe member moves forward and backward to allow the protrusion to be detached from the fitting groove.

The method according to claim 2,

The pipe fixing part is formed in an arc, the footrest device for a chair, characterized in that the fitting groove is formed so as to be radially located at the center of the arc.

The method according to claim 1,

The pipe member is provided on the outer or inner tube footrest device for a chair, characterized in that it further comprises a magnetic portion to magnetically fix the position of the inner tube.

The method according to claim 1,

A rotating shaft member protruding from the lower portion of the chair seat to rotate the seat;

A base shaft member protruding to an upper portion of a bottom support portion supporting the sheet, the base shaft member rotatably coupled to the rotation shaft member;

And a locking means for locking and releasing rotation of the rotating shaft member.

The method according to claim 5,

The locking means includes a first gear unit provided in the rotating shaft member;

A second gear part provided in the base shaft member and engaged with the first gear part;

A spring for elastically supporting the rotating shaft member in the base shaft member to space the first gear portion and the second gear portion;

A chair including a fastener coupled to the rotating shaft member to be inserted into a locking groove formed around the outer circumferential surface of the base shaft member to fix the rotating shaft member in a state where the first gear portion and the second gear portion are spaced apart from each other; Footrest device for.