KR200423149Y1 - functional chair have a waist supporter - Google Patents

Abstract

The present invention relates to a functional chair equipped with a backrest.

The present invention for this purpose is provided between the support rod and the seat tilting unit 60 to support the inclination of the seat; A plate 75 having one end connected to the tilting part and the other end connected to the backrest to interconnect the tilting part and the backrest; A waist support operation means 70 connected to one end of the tilting part to selectively operate the waist support; A waist support 80 connected to the waist support operation means and supporting a user's back and lumbar spine to treat pain; The waist rest is rotated about a hinge axis, and is provided with a flange (90) fixed to the backrest.

The present invention configured as described above allows the user seated in the seat of the chair to bend the seat and the back simultaneously with only a slight force, and also cause the waist rest to protrude according to the angle at which the seat is crossed so that the user's back, especially the lumbar spine In addition to the treatment of pain and pain, the structure is not complicated, which can reduce cost and improve the assembly performance, thereby significantly improving the quality and reliability of the product so that consumers can plant a good image.

Seat, backrest, lumbar support, lumbar support, chair.

Description

Functional chair have a waist supporter

Figure 1 (a) is an exploded perspective view of the main portion of the waist support for the conventional chair,

        (b) is a state diagram of the operation of the waist support for the conventional chair.

Figure 2 is a main disassembled yarn of the functional chair equipped with a backrest applied to the present invention

        try.

3 is a main portion of the coupling phase of the functional chair equipped with a backrest applied to the present invention

        Tae perspective.

Figure 4 is a perspective view of the lumbar support means applied to the present invention.

Figure 5 is tilted functional chair equipped with a backrest applied to the present invention

        State diagram before.

6 is tilted after the functional chair equipped with a backrest applied to the present invention

        State of

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

60: tilting portion 64: working shaft

70: waist support means 80: waist support

82: operator 90: flange

The present invention relates to a functional chair equipped with a backrest, and more particularly, a user seated on the seat of the chair can bend the seat and the back at the same time with only a little force, and at the same time the seat can be turned over according to the angle of the seat. By protruding, the user's lower back, especially lumbar spine fatigue and pain are not only healed, but also the structure is not complicated, which can reduce the cost and improve the assembly performance, which greatly improves the quality and reliability of the product. The image can be planted.

As is well known, a chair, which is a tool for a person to sit, is composed of a backrest, a seat and a leg supporting it as one of furniture, and the above-described conventional chair has been applied for and registered numerous intellectual property rights.

On the other hand, the conventional chair back has a function of supporting the user's back seated in the seat but does not have a function of supporting the waist portion, and in recent years, a technique for mounting a separate waist support under the front of the back has been introduced. That is, such a technical configuration is as follows.

The prior art utility model registration No. 0401280 (Application No. 2005-0024347) (inside the name: the operating structure of the chair back support) has been registered, the technical configuration thereof is shown in Figure 1 (a) (b) As shown in the seat 10, and one side is fixed to the lower portion of the seat and the elastic frame 20 is fastened up and down by fastening the elastic member 26 having a predetermined elastic force at one end, and the elastic frame The other end is fixed to the extended other end of the backrest 30 is moved back and forth by the vertical rotation of the elastic frame, and one end is fixed to one side of the bottom surface of the seat and the other end extends to the lower back portion 36 of the lower backrest The back support frame 40 and the rear upper part of the backrest are fixed to the hinge and the lower part of the rear part is coupled to the other end of the support frame to be slidably movable up and down. The lower part is configured to include a waist support 50, which is moved back and forth, and also a fixing piece 37 is attached to an upper portion of the waist support portion 36 of the back support 30, the extension of the support frame 40 The other end of the standing end is formed with the guide shaft 46 is bent in the transverse direction, the upper back of the waist support 50 is rotated by the hinge pin 52 to be rotatably coupled to the fixing piece 37 of the backrest A piece 51 is attached, and a slide moving piece 56 is attached to the lower part of the rear surface to which the guide groove 57 formed in the longitudinal direction to be movable up and down on the guide shaft 46 of the support frame is fastened and coupled. . In the drawings, reference numeral 16 is a fixing bracket, 23 is a shaft hole, 31 is a back plate, and 32 is a cushion seat.

The operation of the prior art configured as described above is to rotate the backrest to the lower back of the backrest at the same time to operate exactly to support the interview in accordance with the user's waist curve to greatly reduce the user's back fatigue.

However, the above-described prior art has the following problems.

That is, the conventional chair waist support has a problem that the structure is very complicated due to a number of parts and the assembly is deteriorated accordingly.

In addition, the prior art has a problem that the backrest is inclined, and the waistrest protrudes only when the user pushes the backrest hard.

In addition, the conventional technology has an uncomfortable problem in that the user keeps it in a down state only when the user keeps giving power to the backrest.

In addition, the prior art has a problem that only the backrest is inclined. That is, the seat does not move horizontally but only the backrest is inclined so that the user can bend the backrest only by applying a lot of force.

The present invention has been made in order to solve the problems of the prior art as described above, the first object is provided with a waist support for supporting the waist and lumbar spine, and a waist support for selectively operating the waist support. The second purpose is to allow the user seated in the seat of the chair to fold the seat and the back at the same time with a slight force, and the third purpose is to make the waist rest protrude according to the angle at which the seat is crossed. In particular, the fourth purpose is to reduce the cost and improve the assembly, and the fifth purpose is to greatly improve the quality and reliability of the product. It provides a functional chair with a lumbar support that allows the consumer to plant a good image.

In order to achieve the above object, the present invention provides a chair comprising a backrest, a seat seat, and a support rod leg for supporting it, the tilting portion being provided between the support rod and the seat to support the inclination of the seat; One end is connected to the tilting portion, the other end is connected to the backrest plate to interconnect the tilting portion and the backrest; A waist support means connected to one end of the tilting part to selectively operate a waist support; A lumbar support connected to the lumbar support means and supporting a user's lower back and lumbar spine to treat pain; The waist support is rotated about a hinge axis, and provides a functional chair with a waist support, characterized in that it is provided with a flange fixed to the backrest.

Hereinafter, described in detail with reference to the accompanying drawings a preferred embodiment of the present invention for achieving this purpose are as follows.

Functional chair equipped with a waist rest applied to the present invention is configured as shown in Figs.

In the following description of the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

The following terms are terms set in consideration of functions in the present invention, which may vary depending on the intention or custom of the producer, and the definitions should be made based on the contents throughout the present specification.

First, the present invention is provided between the support rod 62 and the seat 65, as shown in Figure 5, 6 is provided with a tilting portion 60 to support the inclination of the seat (65).

In this case, the tilting part 60 is provided on the fixing part 61 fixed to the support rod 62 and the upper part of the fixing part 61 and rotates about the operating shaft 64 together with the seat 65. It is provided with the movable part 63.

In addition, the present invention is provided with a plate 75, one end of which is connected to the tilting unit 60, the other end of which is connected to the backrest 92 to interconnect the tilting unit 60 and the backrest 92.

The present invention is also provided with a waist support means 70 is connected to one end of the tilting portion 60 to selectively operate the waist support 80.

At this time, the waist support operation means 70 is a frame 71 made to be fixed to one end of the movable portion 63 and the operating rod 72 protruding to the upper end of the frame 71 as shown in FIG. It is provided with a bending bar 73 bent to one side at the tip of the operating rod (72).

In addition, the present invention is connected to the lumbar support means 70, and is provided with a lumbar support 80 to support the user's back and lumbar spine to treat pain.

At this time, the waist rest 80 is formed with a plurality of grooves 81 formed in a plurality at regular intervals on the rear surface to be fitted to the hinge shaft 91 and the operation ball 82 is formed long in the longitudinal direction to be fitted to the bending bar 73. . And the overall front shape of the waist rest 80 is made of a curved portion (80a) to support the waist and lumbar closely.

In addition, the present invention allows the waist rest 80 to rotate about the hinge axis 91, and is provided with a flange 90 fixed to the backrest 92.

Finally, the present invention is provided with a support plate 74 at the bottom of the seat 65 to prevent the lower back operation means 70 to operate smoothly in the operation process and to be separated to the bottom.

Meanwhile, the present invention may be variously modified and may take various forms in applying the above components.

And it is to be understood that the present invention is not limited to the specific forms mentioned in the above description, but rather includes all modifications, equivalents, and substitutions within the spirit and scope of the invention as defined by the appended claims. It should be understood that.

Referring to the effect of the functional chair equipped with the present invention the waist rest configured as described above are as follows.

First, as shown in FIG. 2, the operating hole 82 formed on the rear surface of the waist rest 80 is inserted into the bending rod 73 bent to one side of the upper end of the waist rest operation means 70. In this state, when the plurality of grooves 81 are pushed in the state against the hinge shaft 91, the grooves 81 are coupled to the hinge shaft 91, and as shown in FIG. 70) the waist support 80 is simply assembled.

As described above, the functional chair equipped with the waist rest in the completed state is configured as shown in FIGS. 2 and 3, and in this state, the user does not sit on the chair, so the backrest 92 and the seat 65 and waist rest 80 remain in their original state prior to operation.

In the above state, when the user sits on the chair and leans back, the backrest 92 and the seat 65 are easily inclined at the same time as shown in FIG. 6, and the waist rest 80 protrudes. It will comfortably support the lumbar spine, providing fatigue and pain relief.

In more detail, the backrest 92 and the seat 65 are inclined at the same time even when the user sits down on the chair and gently tilts the body back, at this time, according to the inclination angle of the seat 65 80 is protruded to support the user's waist.

In addition, the seat 65 is inclined by the tilting part 60, and the fixing part 61 does not move around the operating shaft 64, and the movable part provided at the upper end of the fixing part 61. When the 63 is inclined together with the seat 65, all of the waist restraint means 70, the waist rest 80 and the backrest 92 connected thereto are inclined to one side. Of course, at this time, the plate 75 also has the property of the tension force, as well as the inclination of the plate 75 serves to securely connect the tilting unit 60 and the backrest 92 mutually.

In addition, the action of the waist rest 80 is as follows.

That is, when the seat 65 and the waist support means 70 are inclined to one side, the bending bar 73 fitted into the operation hole 82 is operated by the angle of the waist support means 70 to the operating hole 82. While pushing along the waist restraint 80, the recess 81 is in the state of being fitted to the hinge shaft (91) As a result, the waist rest 80 is to move upwards about the hinge shaft (91) The user comfortably supports the lower back while treating pain.

The present invention is because the seat 65 is inclined to one side with the backrest 92, the user can be more comfortable to sit on the chair, it can be used conveniently without the force as in the prior art. Of course, when the user removes the force applied or rises from the chair, the chair inclined by the reverse of the above-described operation is placed in the initial state.

And the present invention is because the front of the waist support (80) is formed by the protruding curved portion (80a) can support the user's back and lumbar closely to be able to double the effect on the pain treatment.

The present invention is the support plate 74 provided at the bottom of the seat 65 in the process of operating the waist restraint means 70, as described above, the waist restraint means 70 operates smoothly in the process of operation and to the bottom This prevents deviations.

As described in detail above, the present invention provides a waist rest supporting the waist and the lumbar spine and a waist rest operation means for selectively operating the waist rest, and in particular, a user seated on the seat of the chair with only a little force. The seat and the back can be flipped at the same time, and the lower back protrudes according to the angle of the seat to be able to treat the fatigue and pain of the user's lower back, especially the lumbar spine. It is a very useful invention that can improve the quality and reliability of the product, thereby significantly improving the quality and reliability of the product so that consumers can plant a good image.

Claims (6)

In a chair comprising a backrest, a seat seat and a supporting rod leg supporting the same, A tilting unit 60 provided between the support rod and the seat to support the inclination of the seat; A plate 75 having one end connected to the tilting part and the other end connected to the backrest to interconnect the tilting part and the backrest; A waist support operation means 70 connected to one end of the tilting part to selectively operate the waist support; A waist support 80 connected to the waist support operation means and supporting a user's back and lumbar spine to treat pain; The waist support is rotated about the hinge axis, and a flange 90 is fixed to the backrest; a functional chair equipped with a waist rest, characterized in that provided with. According to claim 1, The tilting part 60 is provided with a fixed part 61 fixed to the support rod, and a movable part 63 provided on the upper end of the fixed part to rotate around the operating shaft 64 together with the seat. Functional chair with backrest. According to claim 1, The waist support operation means 70 is a frame 71 which is fixed to one end of the movable portion and the operating rod 72 protruding to the upper end of the frame and a bending rod 73 bent to one side at the tip of the operating rod Functional chair with a backrest characterized in that it is provided. According to claim 1, The lumbar support 80 is provided with a lumbar support characterized in that a plurality of grooves 81 formed at a predetermined interval on the rear surface to be fitted to the hinge shaft and an operation hole 82 formed in the longitudinal direction to be fitted to the bending rod are formed. Functional chair. According to claim 1, The overall front shape of the waist rest 80 is a functional chair with a waist rest, characterized in that consisting of a curved portion (80a) to support the waist and lumbar closely. According to claim 1, At the bottom of the seat (65), a functional chair equipped with a backrest further comprising a support plate (74) for preventing the backrest operation means from operating smoothly during operation and leaving it downward.

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