KR100959832B1 - Support apparatus equipped with back for spine - Google Patents

Abstract

PURPOSE: A seat back apparatus equipped with a backbone support part is provided, which supports the backbone directly and can be used as the secondary back cushion of a chair. CONSTITUTION: A seat back apparatus comprises: a backbone support part(10); back support part(20) separated from the backbone support part; an advance and retreat member which moves the backbone support part forward and backward; a hinge unit which controls the angle in order to control the gradient of the backbone support part; the height controller which is geared with a nut formed in the panel and moves forward and backward; and a tilting member equipped with a spring.

Description

SUPPORT APPARATUS EQUIPPED WITH BACK FOR SPINE}

The present invention relates to a backrest device having a spinal support,

More specifically, the conventional chair supports the back of the spine rather than the spine,

To solve the problem of lacking in maintaining the spine, the core of correct upper body posture, in a unique S shape

In addition to the back support, the spine support, especially the spine support,

The present invention relates to a backrest device that can greatly assist the spine of many modern people.

The back of a chair (including a backrest (a kind of cushion), not a chair) mainly supports the back of the back (mainly the mitral muscles and back muscles) rather than supporting the spine, which mainly ensures the support of the upper body.

There are many shortcomings in keeping the spine in its unique S shape,

Due to this problem, many people use an auxiliary cushion between their back and chair back,

In this case, too, you have to pay attention to posture correction or to change the position of the auxiliary cushion.

The problem with the conventional chair back is the same as in the case of the brand name 'Doubag' which is a recently released backrest type product.

Accordingly, the present invention provides a backrest device that directly supports the spine at the core of a correct sitting posture or directly applied to a chair backrest, or a backrest device having a spinal support portion that can adjust the degree of protrusion that can be used as an auxiliary backrest cushion of an existing chair. The purpose is to provide.

In addition, an object of the present invention is to provide a backrest device in which a tilting means is introduced so that the angle of the spinal support can be adjusted so that the tilt can be adjusted according to personal preference.

Furthermore, an object of the present invention is to provide a backrest device capable of reducing fatigue by introducing a separate elastic member to the spinal support in consideration of a case of sitting or working for a long time such as a taxi driving occupation.

In addition, an object of the present invention is to provide a backrest device that can be applied to a low-cost entry-level product to a high-cost functional (medical purpose, etc.) products by implementing various means such as an electric motor, a screw-type handle, a lever.

In order to achieve the above object, there is a backrest device having a spinal support capable of adjusting the degree of protrusion according to the present invention.

Spinal column;

An external back support part separated from the spinal support part; And

Retreating means for advancing the spinal column back and forth;

It is made, including.

In addition, the backrest device having a spinal support which can adjust the degree of protrusion according to the present invention is

Tilting means for adjusting the inclination of the spinal column is further provided,

An elastic member is interposed between the spinal column and the retracting means,

The elastic member is a spring which is provided on the fixed plate connected to the retraction means for supporting the back of the spinal pedestal,

Preferably, the spinal column is composed of multiple joints.

As described above, the backrest device according to the present invention includes a retreat means for adjusting the degree of protrusion of the spinal support, and a tilting means for adjusting the angle of the spinal support so that tilt can be adjusted according to personal preference. Considering the case of sitting or working for a long time, such as a taxi driving occupation, by introducing a separate elastic member to the spine support portion can reduce the fatigue, the present invention also has a variety of forms, such as electric motor, screw-type handle, lever type It can be applied from low-cost entry-level products to expensive functional (medical purpose) products, so that the core of the right sitting posture is provided directly to the chair back by providing a back support device that directly supports the spine, It is usable with a back cushion and contributes to national health, and is new Forming a commodity market can contribute to economic development.

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

In each of the drawings, the same reference numerals, in particular, the tens and ones digits, or the same digits, tens, ones, and alphabets refer to members having the same function, and unless otherwise specified, each reference in the drawings. The member referred to may be regarded as a member conforming to these criteria.

The backrest device (S) according to the present invention can be applied to various fields such as office chairs, chairs of vehicle seats or other means of transportation, medical chairs such as posture correction, massage products, and other cushion auxiliary products (or auxiliary backrest products). Can be.

An essential component of the backrest device (S) according to the present invention comprises a retreat means (M) to adjust the degree of protrusion of the backrest relative to the backrest 20, the spinal support 10, and the backrest. It is made to include.

There may be further provided with a hip support portion 21 for the purpose of the chair, the article without this 21 corresponds to that for the auxiliary cushioning product (or secondary backing product).

In addition, the product in each of the drawings, the backrest 20 and the spinal column 10 is shown as having its own cushion utilizing the so-called sponge filling, foam urethane, memory foam,

It does not exclude a configuration made of a hard material.

Furthermore, the backrest 20, which is the core of the backrest device S according to the present invention, preferably forms a streamlined shape in accordance with the peculiar shape of the spine,

It can be a configuration that can support the entire spine,

It may be in the form of supporting only the spine of the waist region, the shape is shown for the latter in the figure.

In addition, the spinal column is articulated as if it were the node of the spine,

It is simply configured to form a form in which each joint is retracted individually according to the degree of pressure to the shape of the body (for this purpose, each joint is preferably supported by a separate elastic body),

Each joint constitutes a separate retraction means (of course one retraction means can move the entire articulated back support),

For example, two sets of joints may be set so that each set may be moved by a retreat means.

In this case, the joints constituting the spinal column may be connected to each other through a connecting means (particularly, an elastic connecting means) to satisfy interlockability.

In addition, the retraction means (M) consisting of the electric motor 30, the screw-type handle 40, the lever form 50 in each drawing is exemplary, it is possible to apply the retraction means having a variety of other configurations.

First, the advancing means (M) shown in Figure 1 is configured as a motor 30 for adjusting the degree of protrusion of the spinal support 10,

It can be applied in places where power connection is easy, such as automobiles, and can be produced as a relatively high-priced expensive product.

The nut 33 screwed to the bolt formed on the motor shaft 31 is coupled to the back plate 11A serving as a frame for the cushion 11 of the spinal column 10,

When the motor 30 rotates forward and backward according to the operation of the switch 39a of the operation panel 39

The nut 33 is linearly moved along the guide part 35 through the anti-rotation part 33a.

Retreat of the spinal column 10 is made,

Although not required, the idle portion 37 may be introduced to prevent rotational force from being transferred to the spinal column.

If necessary, the power of the motor 30 may be transmitted to the nut 33 through a separate reduction gear (not shown) to improve torque.

In addition, in the case of introducing a tilting (tilting) means to adjust the inclination of the spinal column according to personal preferences or situations

Although not shown, it may be configured to enable angle adjustment through the motor.

Next, the advancing means (M) shown in Figure 2 is composed of a screw-type handle 40 for adjusting the degree of protrusion of the spinal support 10,

It can be applied to low cost products such as student or office chairs.

By turning the handle 40 provided in the support 23 connecting the backrest 20 and the hip support 21 to the left and right directions,

A bolt 41 provided on the handle 40 pivots along the nut 43 provided on the backrest 20 to adjust the degree of protrusion of the spinal column 10.

At this time, between the tip of the handle 40 and the back plate 11A of the back plate 11A is provided with an idle part 45 consisting of a bearing type, etc.

The pivoting motion of the handle is not connected to the pivot of the spine support.

In addition, the back plate 11A of the spinal column 10 is supported by a separate spring 47 so that the spinal column protruding operation is made more smoothly.

Furthermore, as shown in Figure 3, the elastic member (S1) is interposed between the spinal column 10 and the retraction means (M)

Considering the case of sitting or working for a long time, such as a taxi driver to reduce fatigue.

More specifically, it is composed of an elastic member, in particular coil spring (S1) provided between the fixing plate (13A) connected to the retraction means (40) and the back plate (11A) back plate.

In addition, as shown in Figure 3, the tilting means 60 for adjusting the inclination of the spinal column 10 in the handle-type retraction means (M) is

Hinge 61 provided between the back plate 11A and the tip of the handle 40

To adjust the inclination of the spinal column 10 by introducing the upper and lower adjustment parts (63, 65),

Each control unit 63, 65 is of a bolt type, according to the turning

Meshes with the nut formed in the panel P1, and is moved back and forth,

Accordingly, the angle of the hinge portion 61 provided between the rear plate 11A and the panel P2 is changed.

If necessary, a spring S2 for connecting the bolt and the spinal column 10 back plate 11A is arranged between the bolt and the spinal column 10 back plate 11A, thereby providing a more flexible spinal column 10 ) You can feel the tilt.

Subsequently, as shown in FIG. 4, the retraction means M formed of the lever form 50 is a product that can be applied for an automobile seat or the like.

Like the parking brake of the vehicle (or the so-called side brake), the wire 51 connected to the position beyond the pivot axis of the lever 50 is

It is connected to the back plate 11A of the spinal column 10 by following the rollers 51a provided at the bent portion,

Since the back plate 11A is supported by the spring 53,

Retraction of the spinal column 10 is made according to the pulling degree of the lever 50.

In addition, as shown in the modification shown in Figure 5, the advancing means (M) consisting of the lever form 50 is

As the lever 50 is pulled, the stopper 55 carried by the coil spring 55a retreats,

Accordingly, the elasticity of the spring 53, which pressurizes the back plate 11A of the spinal support 10, is acted on, so that the forward movement of the spinal support is possible.

When the user pulls the lever 50 in a state in which the user presses the spinal column 10 with the back for the backward operation of the spinal column 10.

The spring 53 is contracted and the spinal column 10 is retracted,

When the lever 50 is released, the stopper 55 again engages one of the stop holes 53a of the guide 53A.

The reverse state can be fixed.

As shown as a modification in the upper enlarged circle of FIG. 5, two levers 50 are introduced, and the upper and lower stoppers 55 move in accordance with the operation of each lever, so that the upper and lower stop holes of the guide 53A ( It is possible to configure a configuration that can be stepwise coupled to the 53a).

In addition, in order to advance the stable spinal support 10, the model of Figures 4 and 5 is preferably provided with a male and female guide 53A of the overlapping form,

Patent registration No. 0527694 (November 03, 2005) instead of the stopper 55, as shown in Figure 2, it may be configured alternative to the conventional rack gear and ratchet gear.

Furthermore, although not shown, a compressor and the like may be introduced, and an air bag may be introduced at the rear of the spinal support so that the air bag may be swollen or squashed according to the operation of the compressor, thereby forming a retreat means such that the spinal support is advanced.

In addition, by modifying the concept of pneumatic or hydraulic height adjustment device applied to a conventional chair, the degree of protrusion can be adjusted according to the retraction of the piston coupled to the pneumatic (or hydraulic) cylinder,

Tilting means can also be implemented by applying the air bag or pneumatic (or hydraulic) cylinder concept as described above.

In the above description, although the conventionally known techniques related to the concrete configuration of the retreat means M, which can secure mass productivity and cost competitiveness, are omitted, those skilled in the art can easily infer, infer, and reproduce them.

In the above description of the present invention with reference to the accompanying drawings described with a backrest device having a specific shape and structure, the present invention can be variously modified, changed and replaced by those skilled in the art, such modifications, changes and substitutions are It should be interpreted as falling within the protection scope of the invention.

Figure 1 is a view of the backrest device in accordance with the embodiment of the present invention comprises a retraction means as a motor.

Figure 2 is a view of the backrest device in accordance with the embodiment of the present invention configured for the retraction means handle type.

Figure 3 is a view of constructing the retraction means of the handle type of the backrest device implementation according to the present invention and further introduced a tilting means.

Figure 4 is a view configured as a lever type retraction means of the backrest device implementation according to the present invention.

FIG. 5 is a view illustrating a retracting device configured as another lever type in a backrest device according to the present invention; FIG.

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

S: backrest device 10: spinal column

11: cushion S1: elastic member

20: backrest 21: hip rest

M: exit means 30: motor

40: handle 50: lever

60: tilting means

Claims (4)

Spinal column 10; An external back support 20 separated from the spinal support 10; And Retreating means (M) for advancing the spinal support 10 forward and backward; Including but not limited to, In order to adjust the inclination of the backrest 10, the backrest 11 is provided between the rear plate (11A) and the panel (P2) formed in the hinge portion 61, the panel P1 to adjust the angle The upper and lower control parts 63 and 65 composed of a bolt type engaged with the nut to move forward and backward, and the upper and lower control parts 63 and 65 and the back plate 11A in order to flexibly adjust the inclination. There is further provided a tilting means (60) consisting of a spring (S2) connecting between, Back support device having a spine support that can adjust the degree of protrusion, characterized in that the elastic member (S1) is interposed between the spinal support (10) and the advancing means (M). The method of claim 1, The backrest 10 has a backrest with an adjustable protrusion support, characterized in that the joints are multi-jointed, such as the node structure of the spine, each joint is formed according to the degree of pressure according to the body shape. Device. delete delete

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