KR101071058B1 - Folding type supporter apparatus of chair - Google Patents

Abstract

The present invention is a folding type of the chair that allows the arm supporting the supporter of the posture correction chair to be freely folded and unfoldable, and that each part of the supporter supporting the user's chest and elbow can be adjusted by an arbitrary operation. Provide a supporter device.
To this end, the present invention is a chest rest for supporting the user's chest portion, by pulling the chest rest or pressing the front to adjust the internal gear locking state, the chest rest angle adjustment unit for adjusting the angle of the chest rest, The elbow rest supporting the elbow portion of the user through the chest rest in the center, and the elbow rest is adjusted by pushing or pulling the elbow rest in the forward / rear direction to adjust the locking state between the protrusion and the locking groove, thereby adjusting the angle of the elbow rest. And an elbow rest angle adjusting unit, and an arm angle adjusting unit for adjusting an angle of rotation of the corresponding arm by moving the arm with the chest rest and the elbow rest attached thereto in an up / down direction to adjust a locking state between the protrusion and the locking groove. Characterized in that configured.

Description

Folding supporter device of a chair {Folding Type Supporter Apparatus of Chair}

The present invention relates to a folding supporter device for a chair, wherein the arm of the supporter attached to the chair for posture correction is freely foldable and the angle of the supporter portion can be adjusted.

Typically, the chair comprises a seat seat that supports most of the weight when the user is seated, a backrest that stands on the back of the seat seat to support the user's back, and a support frame that supports the seat seat and the backrest to a certain height from the ground. Consists of.

This conventional chair has the hips and thighs supported by the seat when the user is seated so that most of the user's weight can be supported by the seat and most of the load of the upper body when the user is leaning against the backrest while seated. It is made of a form that can be supported by the backrest.

On the other hand, students, test takers preparing for various exams, and office workers who come to the office have to spend most of the day sitting in chairs. The load on the spine increases, causing deformation of the spine, pelvis, including the lower back, which can add stress to the spine and the pelvis and the muscles around it.

In order to maintain a balanced spine of the human body, the spine must have an "S" shape when viewed from the side.To do this, the seat should be placed deep into the back and the back is straight and the back rests while the chair is seated. In general, the chair has a backrest extended from the back of the seat, and it is difficult to put the buttocks deep into the seat, so that it may be accompanied by fatigue or pain in the lower back, and in severe cases, spinal diseases such as spinal discs or scoliosis. It also acts as a cause of lumbar spine disease.

In order to solve this problem, various types of posture correction chairs have been developed in the related art, and many of them focus on improving the backrest structure so that the upper body load of the user can be effectively supported through the backrest. When you are sitting on a chair, you are usually sitting on your back with your upper body bent while your upper body is bent on your back, rather than continually leaning on your back. Is supposed to be difficult.

Therefore, in recent years, the posture correction chair of the user's upper body supporting structure that corrects the sitting posture so that the user's waist is straightened when sitting on the chair is urgently required, and the chair for the posture correction chair is stored In order to reduce the possibility of damage caused by external force due to the convenience of use or frequent use, posture-correcting chairs should be properly folded and stored only to be used for use. There is a need to make it convenient.

Accordingly, the present invention has been made to solve the above-described problems, the object of which is to support the supporter of the chair for posture corrector folding and unfolding can be folded, the supporter for supporting the user's chest and elbow It is to provide a folding supporter device of the chair to enable the angle adjustment of each part of the arbitrary operation.

According to the present invention for achieving the above object, the chest rest for supporting the user's chest portion, by adjusting the internal gear catch state by pulling the chest rest or pressing the front, adjusting the angle of the chest rest By adjusting the chest rest angle adjustment unit, the elbow rest for supporting the elbow portion of the user through the chest rest in the center, by pushing or pulling the elbow rest in the forward / rear direction, by adjusting the locking state between the projection and the locking groove, By adjusting the elbow rest angle adjusting unit for adjusting the angle of the elbow rest and the arm with the chest rest and the elbow rest attached in an up / down direction to adjust the locking state between the protrusion and the locking groove, the angle of rotation of the arm is adjusted. It is characterized by comprising an arm angle adjusting unit for adjusting It provides a folding device, a supporter of the chair.

According to the present invention as described above, the user can arbitrarily adjust the support angle for the chest rest that supports the chest when the user is seated on the chair, the elbow rest that can support the elbow, the chest rest and elbow rest chair The connecting arm connecting the body of the user can be extended by the user's arbitrary adjustment, and when the chest rest and the elbow rest are used, the arm can be erected at an angle or when it is not in use, it is folded down and recovered. In addition to relaxing the spine and back muscles forward, the user's waist curve with the upper body tilted toward the chest rest and elbow rest maintains a steady state, allowing for a comfortable and correct seating, as well as Chest to support the upper body during storage and unused It is possible to test and folding elbow rest and the connecting structure it is possible to keep a protection against the risk of damage due to external forces.

In addition, by allowing the user to arbitrarily adjust the support angles of the chest rest and the elbow rest, the user can adjust and use the same posture correction chair to suit his / her own body even if the body types are different for each user. There is an effect that convenience can be maximized.

1 is a view showing the overall appearance of a chair equipped with a folding supporter device according to the present invention,
Figure 2 is a view showing a state in which the arm of the folding supporter device of the chair unfolds from the bottom of the chair,
3 is a view showing a folding operation structure for the rear end arm of the folding supporter device of the chair according to the present invention,
4 is an exploded perspective view of the folding operation structure of the rear arm shown in FIG.
5 is a view showing a state in which the folding operation structure of the rear end arm in accordance with the present invention,
6 is a view showing a state in which the central arm of the folding supporter device for a chair according to the present invention operates,
7 is a view showing the shape of the chest rest and elbow rest applied to the folding supporter device of the chair according to the present invention,
8 is an exploded perspective view showing an internal structure of the chest rest according to the present invention;
9 is an exploded perspective view showing the structure of the elbow rest according to the present invention;
10a and 10b is a view showing the angle adjustment operation for the chest rest and elbow rest according to the present invention, respectively,
11 is a view showing a state in which the folding supporter device of the chair according to the present invention is folded in the lower portion of the chair.

Hereinafter, the present invention configured as described above will be described in detail with reference to the accompanying drawings.

1 is a view showing the overall appearance of a chair equipped with a folding supporter device according to the present invention, Figure 2 is a view showing a state in which the arm of the folding supporter device of the chair unfolds from the bottom of the chair.

1 and 2, the folding supporter device of the chair according to the present invention, the rear end arm 10 is directly connected to the frame of the chair, the center extending at right angles from the rear end arm (10) The arm 14, the shear arm 16 extending at right angles from the central arm 14, has a connecting arm formed in a "c" shape with a predetermined length from each other.

At the end of the rear arm 10, an adjustment knob 12 is installed to adjust the folding angle of the corresponding connection arm (i.e., the rear arm, the center arm, and the front arm) to fold and unfold the support device. The shear arm 16 is provided with a chest rest 20 for supporting the chest when the user is seated on a chair, and an elbow rest 18 for supporting the user's elbow.

The structure for adjusting the folding angle by rotating the rear arm 10 by the operation of the adjustment knob 12 is provided in the coupling housing 22 fixedly coupled to the frame of the chair.

Meanwhile, the folding operation structure of the coupling housing 22 is shown as shown in FIGS. 3 and 4.

3 is a view showing a folding operation structure for the rear end arm of the folding supporter device of the chair according to the present invention, Figure 4 is an exploded perspective view of the folding operation structure of the rear end arm shown in FIG.

As shown in FIGS. 3 and 4, the rear end arm 10 has the adjustment knob 12 via the first engagement portion 24 and the second engagement portion 26 within the corresponding engagement housing 22. The first engagement portion 24 is fixedly coupled to the rear end arm 10, and the second engagement portion 1 \ 26 is fixedly coupled to the adjustment knob 12.

The first and second engagement portions 24 and 26 are each formed in a circular gear shape in which a plurality of gear portions protrude along a circle at the portions engaged with each other, and the positions, dimensions, and intervals of each gear portion are engaged with each other. It is designed to be fully engaged in the state.

An engagement piece 38 is interposed between the adjustment knob 12 and the engagement portion of the second engagement portion 26 to securely maintain the engagement state.

The inner side of the first engagement portion 24 and the second engagement portion 26 are connected to each other by an elastic spring 36, so that the second engagement portion 26 is operated by operation of the adjustment knob 12. Even if the state of engagement with the first engagement portion 24 is removed by pulling, the operation of the control knob 12 is released to maintain the engagement state again by the restoring force of the elastic spring 36.

Inside the coupling housing 22, two contact blocks 28 and 30 contacting the surface of the rear arm 10 are fixedly coupled by bolts at a predetermined interval, and the surface of the rear arm 10 is fixed. The hook projections 28a and 30a protrude in a dome shape on the end faces of the contact blocks 28 and 30 in contact with each other, and the rear end arms 10 are in direct contact with the hook projections 28a and 30a, respectively. On the surface thereof, engaging groove arrays 32 and 34 are formed, respectively, in which a plurality of engaging grooves are formed in succession so as to receive and hook each hook projection 28a, 30a along its circular circumference.

Here, the adjustment knob 12, the coupling housing 22, the contact blocks (28, 30), the first and second engagement portion (24, 26), the locking groove array (32, 34), the elastic spring (36) ) Acts as an arm angle adjuster.

In the folding supporter device of the chair according to the present invention made as described above, as shown in FIG. 5, the user pulls the adjustment knob 12 to engage the second engagement portion 26 from the first engagement portion 24. When the state is released and the rear arm 10 is forcibly rotated, the engaging groove arrays 32 and 34 rotate while contacting the hook projections 28a and 30a of the respective contact blocks 28 and 30. Accordingly, the arm to which the chest rest 20 and the elbow rest 18 are attached is lifted from the bottom of the chair to be stretched to the desired position by the user.

On the other hand, when the user releases the operation of the adjustment knob 12, the first engagement portion 24 and the second engagement portion 26 is connected again by the restoring force of the elastic spring 36 to maintain the engagement state Thus, the arm can be fixed at the position intended by the user.

6 is a view showing a state in which the center arm of the folding supporter device for the chair according to the present invention operates, wherein the center arm 14 includes a first connecting arm portion 14a and a second connecting arm portion ( 14b), which is connected to each other so as to be extended, and a gas shock absorber (not shown) is built in the first connection arm portion 14a so that the gas shock absorber is operated by a user's switch operation. The second connecting arm portion 14b is pushed out to extend.

Next, Figure 7 is a view showing the shape of the chest rest and elbow rest applied to the folding supporter device of the chair according to the present invention, Figure 8 is an exploded perspective view showing the internal structure of the chest rest according to the present invention, Figure 9 is an exploded perspective view showing the structure of the elbow rest according to the present invention.

As shown in FIG. 7, the elbow rest 18 and the chest rest 20 are coupled to each other independently of each other with the shear arm 16 as a common axis.

As shown in FIGS. 7 and 8, the chest rest 20 has a front cover 46 and a rear cover 48 fixedly coupled to each other with the shear arm 16 as an axis. 16 is coupled through holes 48a and 48b on both sides formed in the lower portion of the front cover 46, and the front end of each of the holes 48a and 48b supports the shaft fitting of the shear arm 16. Members 54 and 56 are respectively joined.

In the front cover 46, an angle adjusting gear member 50 that is fixedly fitted to the front arm 16 is embedded, and the angle adjusting gear member 50 is rearwardly (ie, user) along its cylindrical shape. In the direction toward the chest side of the multi-stage adjustment gear 52 in which the gear inclination is formed is formed.

On the other hand, between the front cover 46 and the rear cover 48 is provided with an angle adjusting member 58 to act on the angle adjusting gear member 50 to directly adjust the angle of the chest rest, the angle The adjusting member 58 is formed of a “∨” shaped cramp shape, and a pivot shaft 64 is formed at an upper end of the cramp shape toward the rear cover 48, so that the rear cover 48 has a It is inserted into the shaft hole 68 of the fixing member 66 formed in the upper part, and rotation is possible in the up / down direction.

The angle adjusting member 58 is formed with a deformable portion 60 having a thin thickness so as to be freely deformed in the front / rear direction by an external force at the other end of the cramp shape toward the front cover 46. It is preferably made of a flexible material that can be deformed, but made of a synthetic resin that is not easily broken.

The lower portion of the deformable portion 60 of the angle adjustment member 58 is formed with a locking portion 62 protruding to be caught by the multi-stage adjustment gear 52 of the angle adjustment gear member 50, the chest rest (20) When the deformable portion 60 of the angle adjusting member 58 is deformed by an external force from the front, the state of the chest rest 20 is released while the locking state of the locking portion 62 caught by the adjusting gear 52 is released. The angle can be adjusted.

Here, the angle adjusting gear member 50 and the angle adjusting member 58 operate as a chest rest angle adjusting unit.

Next, as shown in Figs. 7 and 9, the elbow rest 18 has both holes 70a, with the chest arm 20 interposed therebetween with the shear arm 16 coaxially. 70b) is angularly adjustable with the corresponding shear arm 16.

A fixing block 40 is fixed to the end 16a of the shear arm 16 passing through both holes 70a and 70b of the elbow rest 18 by bolting. It is made of an oval shape and bolt coupling with the end of the shear arm 16 is formed at one circular center thereof, and an angle adjusting bar 42 having a dome-shaped hook protrusion (not shown) is installed at the rear of the other circular center. do.

On the side of the elbow rest 18, a hook groove array 44 having a plurality of hook grooves formed along a circle is formed at a portion contacting the hook protrusion formed on the angle adjusting bar 42 of the fixing block 40. In this case, a hook protrusion is accommodated in a specific locking groove of the locking groove array 44 so that the elbow rest 18 can be held at a predetermined angle.

Here, the fixing block 40 and the locking groove array 44 operates as an elbow rest angle adjustment unit.

According to the present invention made as described above, when pulling the chestrest 20 toward the direction of the user's chest in order to erect the chestrest 20 at a predetermined angle, as shown in Figure 10a, the angle adjustment gear Since the gear inclination of the member 50 with respect to the adjusting gear 52 is inclined in the direction toward the chest of the user, the angle can be adjusted without any manipulation.

In addition, when the user pulls or pushes in the front / rear direction to adjust the angle of the elbow rest 18, the angle adjustment bar 42 formed on the fixed block 40 fixedly coupled to the front gear 16 Each hooking groove of the hooking groove array 44 passes through the hook protrusion formed on the rear surface of the hooking protrusion, and when the angle adjustment is completed, the hooking protrusion is accommodated in a specific hooking groove of the hooking groove array 44. It can be fixed.

On the other hand, when the front cover 46 of the chest rest 20 is pushed to adjust the angle of the chest rest 20, elasticity by the external force applied from the front cover 46 as shown in Figure 10b As the deformable part 60 of the angle adjusting member 58 having the deformed state is released, the corresponding rest of the chest rest 20 is pushed while the locking state of the locking part 62 held by the adjusting gear 52 is released.

As the position of the chest rest 20 is adjusted to a desired angle by the user, when the state of pressing the front cover 46 is released, the deformation part 60 of the angle adjusting member 58 returns to its original shape. It is restored and the latching part 62 can be caught by the adjustment gear 52 again and remain in a bite state.

The folding supporter device of the chair according to the present invention can be stored folded in the lower part of the chair when the user does not use the chair, as shown in FIG.

While specific embodiments of the present invention have been described and illustrated above, it will be apparent that the present invention may be embodied in various modifications by those skilled in the art. Such modified embodiments should not be understood individually from the technical spirit or the prospect of the present invention, but should fall within the claims appended to the present invention.

10: rear arm, 12: adjustment knob,
14: center arm, 16: shear arm,
18: elbow rest, 20: chest rest,
22: coupling housing, 24, 26: engaging portion,
28,30: contact block, 32, 34: latching groove array,
36: elastic spring, 40: fixed block,
42: angle adjustment bar, 46: front cover,
48: rear cover, 58: angle adjustment member.

Claims (5)

Chest rest for supporting the user's chest area;
A chest rest angle adjusting unit which adjusts an angle of the chest rest by pulling the chest rest or pressing a front surface to adjust an internal gear locking state;
An elbow rest supporting the elbow portion of the user through the chest rest in the center;
An elbow rest angle adjusting unit which adjusts an angle of the elbow rest by adjusting the locking state between the protrusion and the locking groove by pushing or pulling the elbow rest in the front / rear direction; And
It is configured to include an arm angle adjustment unit for adjusting the angle of rotation of the arm by adjusting the locking state between the projection and the locking groove by moving the arm to which the chest rest and the elbow rest are attached in an up / down direction,
The arm has a central portion of the arm that is separated into a first connection arm portion and a second connection arm portion, and a gas shock apparatus is built in the first connection arm portion to operate the gas shock apparatus by switching. A folding supporter device for a chair, wherein the second connecting arm portion is pushed out to extend the length of the arm. The method of claim 1,
The chest rest angle adjusting unit includes an angle adjusting gear member that is embedded in the front cover of the chest rest by an arm and is formed with a multi-stage adjusting gear having a gear inclination in a rearward direction along a cylindrical shape;
It is formed in the shape of a bracket and has a rotation shaft formed at an upper end of the one end of the bracket, and is inserted into the shaft hole of the fixing member formed at the upper portion of the rear cover of the chest rest, so that the rotation is performed in the up / down direction. And a deformable portion having a thin thickness at the other end of the cramp shape, and including an angle adjusting member having a locking portion protruding from the deformable portion so as to be caught by a multi-stage adjusting gear of the angle adjusting gear member. Folding chair supporter device characterized in that. The method of claim 1,
The elbow rest angle adjustment unit, the shape is made of an oval, one circular center is fixedly coupled to the end of the arm passed through the elbow rest, the other circular center is provided with an angle adjustment bar having a dome-shaped hook projection on the back Fixed block,
The folding supporter device of the chair characterized in that it comprises a locking groove array is formed in a plurality of engaging grooves along a circle in a portion in contact with the hook projection formed on the angle adjustment bar of the fixing block on the side of the elbow rest. The method of claim 1,
The arm angle adjusting unit includes a first and a second engagement portion in which a plurality of gear portions protrude along a circle and are engaged with each other in a coupling housing coupled to a frame of the chair;
An adjustment knob fixedly coupled to the second engagement portion,
At least one contact block fixedly coupled to an inner side of the coupling housing, the hook protrusion protruding in a dome shape, respectively, on a longitudinal section in contact with the surface of the arm;
A hook groove array connected to the first engaging portion and an arm, the hook groove array having a plurality of hook grooves continuously formed to receive hook hooks along a circular circumference on a surface of an arm in direct contact with the hook protrusion;
And a resilient spring connecting the inner side of the first engagement portion and the second engagement portion to each other. delete

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