KR101056076B1 - Chairs with backing members compatible with waist and headrest - Google Patents

Abstract

The present invention relates to a chair having a support member that can be used both as a backrest and a headrest, and a support member capable of being selectively used as a backrest or a headrest by a user can be rotated between the left and right backrests. It relates to a chair provided with an arrangement.

That is, according to the present invention, the seat plate part 10 serving as a seat of the seater, the backrest 20 divided in the longitudinal direction supporting the back of the seater, and the backrest support plate 30 supporting the backrest 20 from the rear side. In the chair including a), a hinge hole 72 is provided on the back support plate 30 to be positioned between the left and right divided backrest 20, one end 63 is fastened to the hinge hole 72 A pivot shaft 61 is provided to enable vertical pivoting based on the hinge hole 72. The pivot shaft 61 is pivotally coupled to the other end 62 of the pivot shaft 61 to allow a seated person to selectively rotate the backrest and the headrest. It has a structure that the support member 60 is provided to be used as one.

In this case, the hinge hole 72 may be formed on a separate fixing plate 71 having a plate-like structure, and the fixing plate 71 may be assembled onto the back support plate 30.

Chair, backrest, backrest, headrest, backrest support plate, backing member, pivot

Description

Chair with support member that can be used as a backrest and headrest {Chair having Supporting member}

The present invention relates to a chair having a support member that can be used both as a backrest and a headrest, and more specifically, the user can optionally use the backrest or the backrest divided into left and right backrests for use as a headrest. It is related with the chair arrange | positioned so that rotation is possible.

As is well known, a conventional chair is composed of a leg part, a seat plate part and a backrest, and the leg part is provided at the lower part of the chair to support the seat plate part and the backrest provided at the upper part and to prevent the chair from falling when seated. Has

The upper end of the leg is provided with a seat plate that is mechanically connected to seat the seat of the seat occupant, and the back plate is provided with a backrest supporting the back of the seat.

In addition, the seat plate portion is optionally provided with an armrest portion for supporting the arm of the seat, the height adjuster for adjusting the height of the seat plate according to the physical condition of the seat is provided mechanically connected to the lower surface of the seat plate.

At this time, the backrest has been developed in order to more comfortably support the back of the seated person when sitting and to effectively remove the load on the spine, the Republic of Korea Patent No. 71169 (1994.02.22, registered) divided in the longitudinal direction left, A chair back having a dual back structure consisting of a pair of right is disclosed.

When the seat back of the conventional chair known in this way is seated in a correct posture, the seat back is flexibly adhered to the curve of the seated person to comfortably support the back of the seated person.

However, when the seated person leans back to the chair back, the seated person's waist becomes a natural posture. Therefore, the waist is separated from the seat back so that the weight cannot be effectively supported by the weight applied to the waist disc when seated. There was a problem given.

1 and 2, the Republic of Korea Registered Utility Model No. 0245168 (2001.08.22, registered), so that the seated person can fully support the back of the seated person even if the seated back is completely leaning against the back of the chair (1). Of course, there is disclosed a chair back having a back support means that can comfortably support the waist at all times when seated.

In addition, the headrest 3 for supporting the seated person's head separately from the waistrest means 2 is detachably provided at the upper part of the backrest 1.

As such, in the case of the chair configured to separately assemble the waist support means (2) and the headrest (3), each of the functions had the advantage that can give a comfortable and comfortable when seated to the seated person.

However, in the case of the headrest (3), when the seated person is seated on the chair, when the center of the body is folded back for rest, etc., the head restrains the head part. In the case of not taking the headrest (3) is left as it is without performing the first function, mainly the waist support means (2) is to perform the first function.

Therefore, when a chair having a structure capable of using both the backrest means 2 and the headrest 3 is provided to the manufacturer who manufactures and sells the chair, the waistrest means and the headrest are separately manufactured and assembled. In comparison with the above, the assembling process may be shortened, and thus, it is preferable in terms of manufacturing cost.

In addition, even from the user's point of view, the waist support means (2) and the headrest (3) is provided with a chair having a combined structure to be selectively used as needed, the function of the waist support means (2) and the headrest (3) It will have the advantage of efficient selection and use.

That is, the present invention has been invented by the need to provide a new type of chair that can be used more efficiently by improving the problem of the chair having a conventional waist support and headrest, and the object of the present invention is to divide the left and right The support member is configured to be used as a backrest or a headrest selectively by the user through one support member that is rotatably arranged and assembled between the backrests. Accordingly, the present invention provides a chair having a backing member and a backing member that can be used as a head restraint that can effectively perform each function as the backrest and headrest can be functioned.

In particular, according to the present invention, the backrest and the headrest can be used as one support member from the standpoint of the manufacturer who manufactures and sells the chair. Another object is to provide a chair that can reduce assembly costs as well as improve assembly work.

The present invention for achieving the above object is in a chair comprising a seat plate portion as a seating seat, a backrest divided left and right in the longitudinal direction supporting the back of the seat, and a back support plate for supporting the backrest from the rear A hinge hole is provided on a back support plate to be positioned between the left and right backrests, and one end is fastened to the hinge hole, and a rotation shaft is provided to enable vertical rotation based on the hinge hole, and at the other end of the rotation shaft. It is achieved by providing a chair that is rotatably fastened so that the seating member is provided with a support member to selectively use either the backrest or the headrest.

Here, the hinge hole may be formed in a separate fixing plate having a plate-like structure, the fixing plate may have a structure that is assembled and fastened on the back support plate.

In addition, it is preferable that a rotation shaft insertion fixing part which can be fixed by being fitted with a rotation shaft lifted to the upper portion above the hinge hole.

In addition, the rotating shaft has a T-shaped structure by interconnecting one horizontal rod and two vertical rods symmetrically, each end of the two vertical rods are each horizontally bent and composed of one end of the rotating shaft, The horizontal bar horizontally connected to the top of the vertical rod may have a structure consisting of the other end of the rotation shaft.

According to the present invention, as the backrest and the headrest are embodied as a single support member, assembling work is improved by reducing the number of parts relative to a chair for manufacturing and assembling separately the conventional backrest means and the headrest. Of course, there is an advantage that can significantly reduce the manufacturing cost.

In addition, the present invention basically provides a chair that can give the occupant the comfort and comfort required, and according to the needs of the occupant can be selectively implemented the backrest or headrest, each function more efficiently It has the advantage that it can be implemented, which is effective to satisfy the various needs of customers to improve the merchandise and reliability of the product.

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

Figure 3 is a view showing the front of the support member that can be used as a backrest and headrest according to the present invention, Figure 4 is a back of the support member that can be used as a backrest and headrest according to the present invention 5 is an exploded perspective view showing a state in which a supporting member is rotatably installed on a back support plate of a chair as a first embodiment of the present invention, and FIG. 6 is a second embodiment of the present invention. 8 is an exploded perspective view illustrating a state in which a support member is rotatably installed by using a separate fixing plate on the back support plate, and FIG. 7 is a view illustrating an operating state of the support shaft outside the support member according to the present invention. Fig. 9 shows a state in which the supporting member according to the present invention is applied to the lower back, and FIG. 9 shows the supporting member according to the present invention applied to the lower back. Yeoju is a state of use.

As shown in Figure 5 and Figure 6, the chair to which the preferred embodiment of the present invention is applied, it is typically applied to the chair is such that the backrest 20 is divided into left and right to support the back of the seated person.

That is, the chair according to the present invention has a seat plate portion 10 as a seating position, a backrest 20 divided in the longitudinal direction to support the back of the seated person, and a back support plate 30 supported from the rear of the backrest 20. ), A leg portion 40 supporting the chair as a whole with respect to the ground, and an armrest portion 50 provided on both sides of the seat plate portion 10.

Here, as shown in a conventional chair, the seat plate portion 10 is formed of a cloth material containing a cushion material therein. However, if necessary, it can be made of plate-less plastic or steel plate.

Referring to the drawings, the upper surface of the seat 10 has a wave shape that is constantly curved to fit the shape of the user's hips, so that it is possible to sit more comfortably.

The armrest part 50 is disposed on both sides of the seat plate part 10 to support both arms of the user.

The armrest portion 50 can be configured to adjust the height of the seat plate portion 10 as needed.

Of course, the spirit of the present invention can be applied to a chair (not shown) in which the armrest part 50 is not formed.

In the chair having such a configuration, the present invention is provided with a hinge hole 72 on the back support plate 30 so as to be located between the left and right divided backrest 20, the hinge hole 72 and the waist function The support member 60 is installed through the pivot shaft 61 which can be rotated up and down so that the seat holder can selectively configure the headrest function.

That is, as shown in Figures 3 and 4, the support member 60 according to the present invention has the same or similar form as the waist support means 2 shown in the prior art, in the curved plate-like body It is wrapped in cushion material and has a structure that can comfortably support the seat and waist of the seated person.

As shown in FIG. 7, the support member 60 selectively rotates up and down based on the hinge hole 72 through the pivot shaft 61 to selectively perform a backrest function and a headrest function. I can do it.

As described above, the pivot shaft 61 has a structure which is rotatably supported and fixed to the hinge hole 72 provided in the back support plate 30, which is an upper portion of the backrest 20 divided left and right, as shown in FIG. As shown, the first embodiment of the present invention has a structure in which the hinge hole 72 is formed integrally with the back support plate 30.

At this time, the shape and arrangement structure of the hinge hole 72 may have a structure formed to be arranged in two right and left as shown in the figure, but is not limited to this, and supports the pivot shaft 61 to be able to rotate up and down Any structure may be used as long as it is a structure that can be fixed and exhibit the same effect.

In addition, the hinge shaft 72 is preferably provided with a rotation shaft insertion fixing portion 73 that can be fixed by the rotation shaft in a state in which the rotation shaft 61 is rotated upward.

Of course, even if the rotating shaft insertion fixing portion 73 is not provided, the rotating shaft 61 is rotated upward to come into contact with the upper backrest support plate 30, and the supporting member 60 is moved forward by a dynamic structure. It is possible to perform the headrest function without losing.

Moreover, it is preferable that the stopper 75 which restricts the flow of the rotation shaft 61 is provided in the rear of the said rotation shaft insertion fixing part 73. As shown in FIG.

The stopper 75 is fixed to the pivot shaft 61 when the pivot shaft 61 is inserted into the pivot shaft insertion fixing portion 73 so that the support member performs the head restraint function. The support member 60 serves to help the headrest perform the proper function at the proper position.

Meanwhile, as shown in FIG. 6, in the second embodiment of the present invention, the hinge hole 72 is not formed on the back support plate 30, but is formed on a fixed plate 71 formed of a separate plate-shaped body, and the fixed plate 71 is formed. (71) has a structure that is fastened and fixed to the back support plate (30).

That is, as shown, in the second preferred embodiment of the present invention, the fixing plate 71 is provided with a fixing plate 71 having a plate-like structure instead of integrally forming the hinge hole 72 in the back support plate 30. After the hinge hole is formed on the 71, the screw hole 74 is screwed onto the back support plate 30 through a screw hole 74 provided at four corners of the fixing plate.

Of course, assembling and supporting both ends 63 of the pivot shaft 61 to the hinge hole 72 provided in the fixing plate 71 is the same as in the first embodiment.

That is, in the second embodiment of the present invention, the fixed plate 71 having a plate-like structure assembled and fastened to the back support plate 30, the rotation shaft insertion fixing portion 73 formed on the fixed plate 71, and It is formed on the fixing plate 71 constitutes a fixing portion 70 formed of a hinge hole 72, one end 63 of the pivot shaft 60 is hinged.

Meanwhile, as shown in FIGS. 3 and 4, the pivot shaft 61 according to the preferred embodiment of the present invention has a T-shaped structure in which one horizontal bar and two vertical bars which are symmetrically connected to each other are connected to each other. Each end of the two vertical rods are horizontally bent to form one end 63 of the rotation shaft 61, and the horizontal rods horizontally connected to the upper ends of the two vertical rods may be configured to the other end 62 of the rotation shaft.

Of course, the pivot shaft 61 is assembled and fastened to the support member 60 while having a shape structure that is assembled so as to be rotatable up and down in accordance with the shape and arrangement of the hinge hole 72, even if the T-shaped structure as described above. Any form can be used as long as the structure can be achieved.

That is, the rotating shaft 61 may be implemented in various forms, as well as anyone of ordinary skill in the art to implement a variety of shapes and structures of the rotating shaft 61 through a simple design change. Will admit that.

And, as shown in Figure 4, the back of the support member 60 is provided with a rotation fastening portion 65 that can be rotatably fastened the other end 62 of the rotation shaft (61).

Accordingly, the fixing plate 71 is fixed to the one end 63 of the rotation shaft 61 in a state where the fixing plate 71 is screwed to the back support plate 30 through a screw hole 74 provided at all four corners and fixedly integrally. When inserting and fastening to the hinge hole 72 of 71, respectively, the other end 62 of the pivot shaft 61 is inserted into the rotation fastening portion 65 provided on the back surface of the support member 60, and then assembled, And the assembly of the support member 60 that can be implemented as a headrest function is completed.

 In this state, as shown in FIGS. 8 and 9, the support member 60 may be used as a waist by the user (or a seated person) selecting the position of the support member 60 as necessary. , Can be used as a headrest.

That is, as shown in FIG. 8, when the support member 60 is rotated downward while the support member 60 is fastened and fixed to the hinge hole 72 via the pivot shaft 61, the support member is lowered. 60 is naturally seated between the left and right divided backrest 20 is to be used as a backrest that can support the waist.

And, as shown in Figure 9, after rotating the rotating shaft 61 upwards, if the rotating shaft 61 is inserted and fixed to the rotating shaft insertion fixing portion 73, the supporting member 60 ) Is located at the head of the seated person to perform the function as a head restraint.

In particular, when the support member 60 is used as a backrest and a headrest, since the support member 60 is fastened to be naturally rotated through the pivot fastening portion 65, the support member 60 is Even if it moves up and down, the support member 60 can be adjusted so that the support member 60 is always in the forward direction without being turned over.

As described above, the present invention is not limited to the described embodiments, and various modifications and changes can be made without departing from the spirit and scope of the present invention, which will be apparent to those skilled in the art.

Therefore, such modifications or variations will have to be belong to the claims of the present invention.

1 is a perspective view showing a chair equipped with a waist support means according to the prior art,

Figure 2 is an exploded perspective view showing the main portion of the chair shown in Figure 1 according to the prior art,

Figure 3 is a view showing the front of the support member that can be used as a backrest and headrest in accordance with the present invention,

Figure 4 is a view showing the back of the support member that can be used as a backrest and headrest in accordance with the present invention,

5 is an exploded perspective view showing a state in which a support member is rotatably installed on a back support plate of a chair according to the first embodiment of the present invention;

6 is an exploded perspective view showing a state in which a support member is rotatably installed by using a separate fixing plate on a back support plate of a chair according to a second embodiment of the present invention;

7 is a view showing an exemplary operating state of the support shaft outside the support member according to the present invention,

8 is a use state showing a state in which the supporting member according to the present invention is applied to the lower back,

9 is a use state showing a state in which the supporting member according to the present invention is applied to the lower back.

* Explanation of symbols for the main parts of the drawings *

10: seat plate 20: backrest

30: back support plate 40: leg portion

50: armrest portion 60: support member

61: axis of rotation 65: rotation fastening

70: fixing part 71: fixing plate

72: hinge hole 73: rotation shaft insertion and government

Claims (5)

A chair including a seat plate portion 10 as a seat for a seat, a backrest 20 divided in a longitudinal direction supporting the back of the seater, and a back support plate 30 for supporting the backrest 20 from the rear. To A hinge hole 72 is provided on the back support plate 30 so as to be located between the left and right backrests 20, Rotating shaft 61 is provided so that one end 63 is fastened to the hinge hole 72 so that the hinge hole 72 can be rotated up and down based on the hinge hole 72. Rotating back to the other end 62 of the pivot shaft 61 is a backrest and headrest, characterized in that the support member 60 is provided so that a seated person can selectively use any one of the backrest and headrest A chair with a backing member that can be used interchangeably. The method of claim 1, The hinge hole 72 is formed on a separate fixing plate 71 having a plate-like structure, and the fixing plate 71 can be combined as a backrest and a headrest, characterized in that the assembly is fastened on the back support plate 30. Chair having a support member. The method according to claim 1 or 2, The upper part of the hinge hole 72 is supported by the back and headrest, characterized in that the rotation shaft insertion fixing portion 73 which can be secured by being inserted into the rotating shaft 61 is lifted upwards Chair with members. The method according to claim 1 or 2, The pivot shaft 61 has a T-shaped structure with one horizontal rod and two vertical rods symmetrically connected to each other, and each end of each of the two vertical rods is horizontally bent to have one end 63 of the pivot shaft 61. Consists of a horizontal bar connected to the top of the two vertical rods is composed of the other end of the rotating shaft 62, characterized in that the chair having a backrest and a headrest compatible with the headrest. The method of claim 3, wherein The pivot shaft 61 has a T-shaped structure with one horizontal rod and two vertical rods symmetrically connected to each other, and each end of each of the two vertical rods is horizontally bent to have one end 63 of the pivot shaft 61. Consists of a horizontal bar connected to the top of the two vertical rods is composed of the other end of the rotating shaft 62, characterized in that the chair having a backrest and a headrest compatible with the headrest.

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