KR200257057Y1 - device for proping foot in chair - Google Patents

Abstract

The present invention relates to a foot rest for a chair, by improving the configuration so that the user can easily adjust the withdrawal length of the foot rest while sitting on the chair by changing the configuration of the conventional foot rest for the chair, and smooth blood circulation to the legs It is to provide a foot rest for the chair to be able to combine leg movement and ankle movement.

To this end, the present invention, the one end of the support (4) is fixed to the lower end of the frame 14 of the chair, the other end of the support (4) is provided with a foot rest so that the seated person can put the foot, A pair of sliding guides 100 integrally fixed to the opposite ends of the support 4 along the front and rear lengths, a pair of sliders 110 sliding along the front and rear directions while holding the respective sliding guides; The support plate 120 hinged to cross the upper portion of the slider and are arranged at regular intervals along the longitudinal direction on the inner slide opposing surface of the sliding guide, so that the slider 110 can move in and out of the front and rear direction while being easy to move in and out. It is fixed between the plurality of ball bearings 130 and the sliding guide 100 and the slider 110 so that the ball bearings 130 cannot be released in a cloudable state. The ball holding plate 170 for locking and holding the inner surface of the slider 110 and the ball support plate 170 are respectively formed so that when the slider 110 is pulled out over a certain range toward the front, the front of the support plate 120 is held. It is characterized by consisting of a locking projection 140 and the locking projections 150 to limit the movement.

Description

Chair foot prop {device for proping foot in chair}

The present invention relates to a foot rest for a chair, and in more detail, in a foot stand that can be adopted in a conventional chair, the foot movement can be improved, as well as the structure of the foot rest, and the user's seated leg movement. It will be able to serve.

A foot rest for a chair is a device attached to a lower part of a chair so that a user can put his foot while sitting on a chair, and a user with different physical conditions can tilt the foot rest up or down to suit his or her body shape. It is configured to be adjustable in the front-rear direction.

Recently, most of the chairs distributed to elementary, middle and high schools have been produced according to the average body shape of students. Therefore, for students with different growth rates, if they are sitting in chairs that do not fit their body shape for a long time, their sitting posture will be poor. In addition, there was a concern that the spinal disease caused the spine curved to one side.

In recent years, it has become widely recognized that society can realize not only the prevention of spinal diseases but also the improvement of learning or work efficiency by realizing the use of a chair that is suitable for one's body shape.

As a result, a developed foot rest was developed and released so that a user seated on a chair according to his foot height was developed and released. For example, the 'foot foot stand for chairs' (application number; 00 -029157 will be described as a prior art as follows.

Then, here is a brief description of the configuration of the conventional footrest for chairs.

Mounted on the bottom surface of a conventional chair (1), the overall shape is in the form of the letter N, both ends of the support (4) formed with a vertical insertion hole (2) and a horizontal insertion hole (3), and the horizontal insertion hole (3) a horizontal insertion bar (5) inserted into and out of the front and rear direction, a support neck (6) fixed to the end of the horizontal insertion bar to support the foot, and one end of the bottom plate (1) Coupled with a vertical insertion bar (7) for moving the support (4) in the vertical direction between the bottom plate and the bottom surface.

In addition, the first fixing lever (8) for fixing the horizontal insertion bar (5) at one end of the horizontal insertion hole (3) side of the support (4) and the first coupling hole that is a passage for screwing it to the support (4) (9) is formed, the second fixing lever 10 for fixing the vertical insertion bar (7) at one end of the vertical insertion hole (2) of the support (4) and the agent for coupling it to the support (4) Two coupling holes 11 are formed, respectively.

In addition, one side of the horizontal insertion bar 5 and the vertical insertion bar 7, the first receiving groove 12 so that the front end of the first fixing lever 8 and the second fixing lever 10 can be fitted and fixed respectively. ) And the second accommodation groove 13 are formed along the longitudinal direction.

Hereinafter, the operation of the above components will be described.

When the user is seated on the chair of the above-described configuration, first, it is necessary to adjust the support neck 6 vertically or horizontally to suit the height of the user's foot. In this case, a pair of first provided at one end of the support 4 2 Release the lock by turning the lock lever 10 in one direction.

Accordingly, the support 4 is guided to the vertical insertion bar 7 between the bottom of the base plate 1 and the ground, and is capable of lifting in the vertical direction. In this state, the support 4 is adapted to the height of the user's foot. After adjusting the vertical position of the second locking lever 10 in the opposite direction to lock again.

Next, after unwinding the first fixing lever 8 provided at the other end of the support 4 in one direction, the operation of the second fixing lever 10 is performed in the same manner as the operation of the second fixing lever 10. After adjusting the horizontal position, the first fixing lever 8 is locked again in the opposite direction.

Preferably, the vertical position and the horizontal position of the support 6 need to adjust each position of the support so that the thigh becomes horizontal while the user is seated on the chair, and the calf becomes vertical so that the legs are perpendicular to the whole.

In addition, even if a child with a small height is sitting in a general chair, the support neck 6 can be adjusted as much as possible from the ground, so that you can sit on the chair with your feet on the support neck 6.

However, such a conventional foot rest for a chair has an uncomfortable position because the support neck is always fixed when the user leans back to relax the body while the user is seated on the chair.

In order to do this, it was necessary to adjust the back and forth in each direction by releasing or locking the adjustment lever each time. In this case, it was not only very troublesome to operate while seated on the chair, especially children or women with weak strength. In the chairman's position, it was very difficult to operate the adjustment lever by magnetic force.

In addition, when the foot does not move for a long time on the fixed base, as the blood circulation is not smooth on the leg, there is a problem that the concentration of work falls off or feel uncomfortable.

The present invention has been made to solve the above-mentioned problems, improve the configuration so that the user can easily adjust the withdrawal length of the foot rest while sitting on the chair by changing the configuration of the conventional foot rest for the chair, It is an object of the present invention to provide a footrest for a chair that can be combined with leg and ankle movements to facilitate blood circulation.

1 is a perspective view showing a conventional foot rest for a chair

2 is an exploded perspective view of FIG.

Figure 3 is a perspective view of the foot rest for the subject innovation chair

4 is an exploded perspective view of FIG.

5 is a longitudinal cross-sectional view of the main part of FIG.

Figure 6a is an initial state that the user put the foot in the present invention

6B is a state in which the user leans back to the body in FIG. 6B

<Explanation of symbols for the main parts of the drawings>

1: Base 4: Support

14: frame 100: sliding guide

110: slider 120: support plate

130: ball bearing 140: jamming

150: locking step 160: rubber cover

160a: turning

According to the present invention for achieving the above object, one end of the support is fixed to the lower end of the frame of the chair, and the other end of the support is provided with a foot rest so that the seated person can put the foot, both ends of the support And a pair of sliding guides fixed integrally along the front and rear lengths thereof, a pair of sliders sliding along the front and rear directions while holding the respective sliding guides, and a support plate hinged to cross the upper portion of the sliders. And a plurality of ball bearings disposed at regular intervals along the longitudinal direction on the inner side of the sliding guide of the sliding guide to facilitate the entry and exit as the slider moves forward and backward, and fixed between the sliding guide and the slider to roll the ball bearing. To keep you out of motion The foot for the chair, characterized in that the support plate, and formed on the inner surface of the slider and the ball support plate, respectively, the locking projection and the locking jaw to limit the forward movement of the support plate while the slider is pulled to each other when the slider is pulled out over a certain range toward the front. A pedestal is provided.

Hereinafter, the present invention will be described in more detail with reference to FIGS. 3 to 6.

Attached Figure 3 is a perspective view showing the foot rest of the chair according to the present invention, Figure 4 is an exploded perspective view of Figure 3, Figure 5 is a longitudinal cross-sectional view of the main part of Figure 3, Figure 6a is the initial user put the foot on the present invention 6B is a state diagram in which the user leans back to the body in FIG. 6B, and the description thereof will be omitted in the same configuration as that of a conventional component among the components of the present invention. I will give it as it is.

Hereinafter, the configuration of a device according to the present invention according to a preferred embodiment are as follows.

The present invention is a plate-shaped support (4), one end of which is fixed to the lower end of the frame (14) of the chair, and fixedly installed in the front and rear direction along both ends of the other end of the support and the cross section ' 'A pair of sliding guides 100 having a shape, and the cross-section is provided to be slidable in the front and rear direction while holding the respective sliding guides 'A pair of sliders 110 having a shape, a hinge piece 190 fixed in a state orthogonal to cross the upper portion of each slider, and a hinge pin 180 through the hinge piece, the slider Support plate 120 rotatably coupled to the upper portion of the 110, and the inner side of the sliding guide 100 is disposed at regular intervals along the longitudinal direction so that the slider 110 is easy to move in and out while rolling. A plurality of ball bearings 130 and a ball support plate 170 which are integrally compressed and fixed to an inner surface of the sliding guide 100 to support the ball bearings 130 so as not to be separated from the outside in a cloudable state; It is formed on the inner surface of the slider 110 and the sliding guide 100, respectively, when the slider 110 is pulled forward by a predetermined range or more, the locking projection 140 and the locking to limit the forward movement of the support plate 120 It is composed of 150.

In addition, a rubber cover 160 is further covered on the exterior of the support plate 120, and a plurality of protrusions 160a are further formed on the upper surface of the rubber cover 160.

Referring to the operation of the present invention configured as described above, first when the user is seated in the chair is in the state as shown in Figure 6a attached, when the user's feet are placed on the support plate 120 when viewed from the side As a result, it can be seen that the legs are at a right angle and are supported comfortably.

In the above state, while the user is looking at the school or work, when the user feels tired and leans back, the user's foot is directed in the opposite direction to the body, at which time the support plate 120 on which the user's foot is raised is It is understood that the slide by the foot causes it to slide forward.

This state is well illustrated in Figure 6b, in which the user can comfortably lean back or relax the body while seated in a chair.

In addition, referring to FIG. 5, it can be seen that a pair of sliders 110 are integrally coupled to the lower end of the support plate 120. As described above, when the support plate 120 is moved to the front, a hinge at the lower end thereof. The combined slider 110 is also horizontally moved forward.

That is, on both sides of the sliding guide 100 facing the slider 110, a plurality of ball bearings 130 are provided along the longitudinal direction to smoothly move horizontally, and a ball support plate 170 is provided at the upper end thereof. Since the ball bearing 130 is held in a rolling motion, it can be understood that the forward and backward movement of the slider 110 is facilitated.

Subsequently, in the state in which the slider 110 is horizontally moved forward by a predetermined range or more, as shown in FIG. 5, the protrusions 140 and the locking jaws 140 are provided on the inner surfaces of the slider 110 and the sliding guide 100, respectively. Considering that 150 is integrally formed further, in the state where the slider 110 is moved horizontally forward by a predetermined length, the locking protrusion 140 is caught by the locking jaw 150 as shown in FIG. 6B. As a result, the slider 110 is no longer drawn outward.

In addition, considering that the supporting plate 120 is hinged to the upper surface of each slider 110, the user repeatedly stretches and folds the legs back and forth in the state of placing the foot on the supporting plate 120, or with this, Ankle movements can be moved while moving up and down the ankle joint on the support plate 120.

Therefore, it is understood that the user may perform the above two exercises together or smoothly circulate the body while sitting at the chair during work or rest while performing various other exercises in parallel to facilitate blood circulation of the legs during work.

Here, the exterior of the support plate 120 is covered with a rubber cover 160, the plurality of protrusions (160a) is formed on the upper surface of the rubber cover, which is the foot of the user on the support plate 120 is the support plate It is for preventing the case of slipping and injuring from 120.

In addition, when the protrusion 160a of the rubber cover 160 is formed in consideration of the acupressure point of the foot, the protrusion 160a is performed as the user performs the leg movement or the ankle movement with the foot placed on the support plate 120 barely. By this, the acupressure effect of the sole can also be expected.

On the other hand, if the description of the process of attaching the ball bearing 130 to the inner surface of the sliding guide 100 in the configuration of the present invention, which can be manufactured by one of the methods commonly used in the field of machine manufacturing, As an example, first, the ball bearings 130 are aligned at predetermined intervals on both inner bottom surfaces of the sliding guide 100.

Next, the inner surface of the sliding guide 100 so that a part of the ball bearing 130 is inserted into the ball support plate 170 formed with holes having a smaller diameter at equal intervals so as to correspond to the ball bearing 130. After the cover, the ball bearing plate 170 may be attached to the inner surface of the sliding guide 100 by pressing the ball supporting plate 170 to the inner surface of the sliding guide 100.

In addition, the present invention has been described as a ball bearing is installed on the inside of the sliding guide according to a preferred embodiment, the present invention is not limited to this will be the same when replacing the ball with a roller or the like.

In addition, as shown in the drawings, the ball bearing is not installed on both upper surfaces of the sliding guide, but also on the opposite surface of the slider, which is a surface opposite thereto, the action is the same.

The chair foot rest of the present invention can be easily pushed horizontally by moving the foot rest in a seated state of the chair during use, thereby eliminating the inconvenience of having to adjust the foot rest every time when a user having a different physical condition is seated.

In addition, the foot support can be moved horizontally in the front and rear direction, and also has a structure that the support plate is rotated together, so it can be a very advantageous design because it can also combine leg movement and ankle movement to smooth blood circulation during seating on the chair.

Claims (3)

One end of the support is fixed to the lower end of the frame of the chair, and the other end of the support is provided with a foot rest so that the seated person can put the foot, A pair of sliding guides fixed integrally along the front and rear lengths at opposite ends of the other end of the support, A pair of sliders sliding along the front and rear directions while holding the sliding guides; A support plate hinged to cross the top of the slider, A plurality of ball bearings arranged at regular intervals along the longitudinal direction on the inner side of the sliding guide of the sliding guide to facilitate entry and exit while rolling the slider when the slider moves in the front and rear directions; A ball support plate fixed between the sliding guide and the slider to hold the ball bearing so as not to be released in a rolling motion state; The footrest for the chair, characterized in that formed in each of the inner surface of the slider and the ball support plate is composed of a locking projection and a locking jaw to limit the forward movement of the support plate while the slider is pulled out at a certain range toward the front. The method of claim 1, The upper surface of each slider is fixed to the hinge piece so as to be orthogonal to the longitudinal direction of the slider, the foot plate for a chair, characterized in that the support plate is hinged rotatably hinged by a hinge pin of a predetermined length. The method of claim 1, The exterior of the support plate is provided with a rubber cover is covered, the upper surface of the rubber cover, characterized in that the plurality of protrusions are further formed on the chair.