KR102064195B1 - Chair having movable backrest and seat plate - Google Patents

Abstract

 Chairs are provided to which the backrest and seat plate move. Chair according to an embodiment of the present invention is a backrest, armrest support portion extending from the left and right sides of the backrest, respectively, which is formed to face forward, the first adjustment lever formed on any one of the left and right armrest support, the seat plate A movement guide part coupled to a lower part and supporting a seat plate and extending from left and right sides of the seat plate support part, respectively, to face upwards and having an inclined portion having an angle toward the front, wherein the movement guide part is formed. Part is coupled to the armrest support, respectively, characterized in that the armrest support and the backrest is inclined to move along the inclined portion of the moving guide portion by the operation of the first adjustment lever.

Description

 CHAR HA HAVING MOVABLE BACKREST AND SEAT PLATE}

 The present invention relates to a chair to which the backrest and the seat plate move, and more particularly, to a chair that can easily adjust the position of the backrest and the height of the seatboard using an adjustment lever provided on the armrest supporter.

 Advances in technology have changed the way of life. For example, you can easily handle things that need to be handled externally (financial work, shopping, etc.) by using a computer indoors, as well as expand the areas that can be processed using computers in everyday life. The time to do it is increasing.

 Accordingly, the chair has been developed in such a way that the user can maintain a comfortable posture by reducing the fatigue by the ergonomic design and basically adjusting the height of the seat plate and allowing the backrest to move.

 In particular, since the height of the seat and the position of the backrest are an important part of determining the posture and comfort of the user sitting on the chair, research on this is ongoing, and as a result, various chairs that can adjust the height of the seat and the position of the backrest are released. It is becoming.

 However, in the conventional chair, since an adjustment lever for adjusting the height of the seat and the position of the backrest is installed at the bottom of the seat, the user reaches the bottom of the seat and grasps the position of the adjustment lever with a rough feeling. It is inconvenient to adjust the height of the seat plate and the position of the back using the lever.

 In addition, according to the position and the length of the control lever, the user takes an excessive position such as bending his or her body in a sitting state in order to operate the control lever, there is a problem that may cause abnormalities in the body.

 The present invention is to solve the above-mentioned problems of the prior art, to provide a chair that can adjust the position of the backrest and the height of the seat plate by providing a control lever in a convenient position for the user to operate.

 In order to achieve the above object, the chair according to an embodiment of the present invention is a backrest, left and right armrest support portions extending from the left and right sides of the backrest, respectively, facing forward, the left and right armrest support portions The first adjustment lever formed in any one of the seat plate is coupled to the lower portion of the seat plate supporting the seat plate and the left plate and the right side of the seat plate support portion are respectively formed to extend upward and inclined with a predetermined angle toward the front Includes the left and right moving guide portion is formed, wherein the moving guide portion is coupled to the armrest support, respectively, the armrest support and the backrest along the inclined portion of the movement guide portion by the operation of the first adjustment lever It is characterized by moving inclined.

 According to an embodiment of the present invention, the height of the seat plate and the position of the backrest can be easily adjusted through the control lever provided in the armrest.

 In addition, there is no need to take excessive posture while sitting to operate the control lever, there is no fear of causing abnormalities in the body.

 In addition, the height of the seat plate and the position of the backrest can be set in a simple way to provide the user with the optimal posture, thereby contributing to the efficiency of work sitting on the chair and to increase the concentration of work.

 The effects of the present invention are not limited to the above-described effects, but should be understood to include all the effects deduced from the configuration of the invention described in the detailed description or claims of the present invention.

1A is a perspective view of a chair according to an embodiment of the present invention.
1B is a front view of a chair according to an embodiment of the present invention.
1C is a side view of a chair according to an embodiment of the present invention.
Figure 2a is a view showing a state before and after the back position of the chair is adjusted according to an embodiment of the present invention.
Figure 2b is a view showing a state before and after the height of the seat plate of the chair according to the embodiment of the present invention.
3A to 3C are views illustrating a configuration of a chair for adjusting the position of the backrest according to an embodiment of the present invention.
4A to 4C are views illustrating a configuration of a chair for height adjustment of a seat plate according to an embodiment of the present invention.

 Hereinafter, with reference to the accompanying drawings will be described the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention.

 In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

 Throughout the specification, when a part is "connected" to another part, it includes not only "directly connected" but also "indirectly connected" with another member in between. .

 In addition, when a part is said to "include" a certain component, it means that it may further include other components, without excluding the other components unless otherwise stated.

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

 Figure 1a is a perspective view of a chair according to an embodiment of the present invention, Figure 1b is a front view, Figure 1c is a side view, Figure 2a and Figure 2b is a backrest position and the height of the seat plate of the chair according to an embodiment of the present invention is adjusted Shows the results.

 Chair 100 according to an embodiment of the present invention is the backrest 110, the left and right armrest support (hereinafter referred to as 'armrest support') 120, the first adjustment lever 121, the second adjustment lever 122 ), Seat plate 130, seat plate support part 140, left and right moving guide part (hereinafter referred to as 'moving guide part') 150, cylinder 160, arm 170 (not shown) and chair A pedestal 180 may be included.

 As shown in Figure 2a and 2b, through the first adjustment lever 121 and the second adjustment lever 122 provided on the armrest support portion 120 to easily adjust the position of the backrest 110 and the height of the seat plate 130. I can regulate it.

 Hereinafter, the position adjustment of the backrest 110 and the height adjustment of the seat plate 130 will be described with reference to FIGS. 3A to 3C, 4A, and 4B.

 1. Adjust the position of the backrest

 3a to 3c are views showing the configuration of the chair 100 for position adjustment of the backrest according to an embodiment of the present invention, the backrest 110, the armrest support portion 120, the first adjustment lever 121 The seat plate 130, the seat plate supporter 140, and the movement guide part 150 may be included.

 Referring to each component in detail, the armrest support 120 in Figure 3a may be formed to extend in the left and right of the backrest 110, respectively, to face forward.

 Here, the armrest supporter 120 may be formed to extend from the backrest 110 to bend or protrude from the backrest 110.

 For reference, the backrest 110 and the armrest supporter 120 may be made of different separate components and coupled by a coupling member (not shown), or may be integrally formed to form one upper frame.

 On the other hand, the first adjustment lever 121 is for adjusting the position of the backrest 110 may be formed on any one of the left and right armrest support portion 120, the position is the side or front of the armrest support portion. Can be. In Figure 3a is shown an embodiment formed on the side of the armrest support.

 For reference, when the first adjustment lever 121 is formed on the left armrest support portion, the second adjustment lever 122 for adjusting the height of the seat plate 130 may be formed on the right armrest support portion. Of course, depending on the embodiment, the reverse is possible, and both of the first adjustment lever 121 and the second adjustment lever 122 may be formed on any one of the left and right armrest support parts 120.

 And the upper armrest support portion 120, the armrest portion 190 may be located where the user's arm is seated, the first adjustment lever 121 and the second adjustment lever 122 is the upper by the armrest portion 190 May not protrude. This is in advance a case where the user's arm may be wound by the control lever when operating the first control lever 121 and the second control lever 122 in a state where the user's arm is seated on the armrest unit 190. To prevent it.

 Figure 3b is a view showing the position and operation before and after the operation of the first adjustment lever 121 according to an embodiment of the present invention, the user pulls the first adjustment lever 121 through the operation (operation) armrests The position of the backrest 110 may be adjusted by releasing the coupling between the support part 120 and the movement guide part 150 and by moving the armrest support part 120. Here, since the armrest support 120 and the backrest 110 are coupled to each other or formed integrally, the armrest support 120 may be moved along with the armrest support 120. As will be described later, the first control lever 121 may operate in a wire manner.

 Referring back to FIG. 3A, the seat plate support 140 may be coupled to the bottom of the seat plate 130 to support the seat plate 130, and the movement guide 150 may be left and right of the seat plate support 140. Each extending in the may be formed to face upward.

 The movement guide part 150 may be formed to extend from the seat plate support part 140 to be bent or protrude from the seat plate support part 140. The seat plate support part 140 may have a frame shape as illustrated in FIG. 3A. It may also be a plate shape.

 For reference, the seat plate support part 140 and the movement guide part 150 may be manufactured by separate components, which may be coupled by a coupling member (not shown), or may be integrally formed to form one lower frame. .

 Hereinafter, the coupling and movement of the armrest support unit 120 and the movement guide unit 150 will be described in detail with reference to FIG. 3C. For reference, although only the armrest support and the movement guide on the left side are illustrated in FIG. 3C, the descriptions with reference to FIG. 4 may also be applied to the armrest support and the movement guide on the right side.

 In FIG. 3C, the movement guide part 150 may have an inclined portion 151 having a predetermined angle toward the front, and the inclined portion 151 may include a locking recess 151a.

 And the inclined portion 151 is inserted into the interior 123 of the left and right armrest support portion 120 is coupled to the bracket (124)-the locking groove 124a is formed-received in the interior 123- Can be.

 Wherein the first control lever 121 and the bracket 124 may be connected by a wire as shown in Figure 3c, when the first control lever 121 is pulled (operation) locking groove 124a of the bracket 124 ) Is separated from the locking groove 151a of the inclined portion 151 so that the user lifts the armrest support 120 in the inclined direction, the armrest support 120 is inclined along the inclined portion 151 of the moving guide 150. I can move it.

 Therefore, the backrest 110 connected to the armrest supporter 120 (or integrally formed) may be moved together by the inclined movement of the armrest supporter 120.

 For reference, the inclined movement is guided by the inclined portion, so that the movement in the forward direction is parallel when moving upward, and the movement in the backward direction is parallel when moving downward.

 After the operation of the first control lever 121 is stopped, that is, when the user's hand is out of the first control lever 121, the locking groove 151a of the inclined portion 151 of the locking groove 124a of the bracket 124. ) Will be recombined, through which the inclined movement of the armrest support 120 may be fixed.

 2. Height adjustment of seat

 4A and 4B illustrate a configuration of a chair 100 for height adjustment of a seat plate according to an embodiment of the present invention. In addition to the configuration for adjusting the position of the backrest 110 described above, the second adjustment lever ( 122, the seat plate 130, the cylinder 160, the arm 170, and the chair support 180 may be further included.

 When describing each component in detail, as described above, the second adjustment lever 122 may be formed in any one armrest support portion in which the first adjustment lever 121 of the armrest support portion 120 is not formed. In some embodiments, the same armrest support part as the first adjustment lever 121 may be formed.

 And as will be described later, the second control lever 122 and the arm 170 may be connected by a wire. In this case, the armrest support part 120 may be installed through the inner space of the movement guide part 150, and when the second adjustment lever 122 is operated (pulled), the arm 170 may be moved by the arm 170. The height of the seat plate 130 may be adjusted by pressing the operation button.

 Meanwhile, the cylinder 160 may be located at the center of the chair support 180 and may be used to adjust the height of the seat plate 130. For reference, the cylinder 160 may be a pneumatic cylinder, and an operation button 161 is positioned on the upper surface of the cylinder 160. When the operation button is pressed and pressed, the seat plate 130 may be changed by the height (length) of the cylinder 160. The height of can be adjusted.

 Meanwhile, the arm 170 may be positioned between the lower portion of the seat plate 130 and the upper portion of the cylinder 160 and may be fixed by the hinge 171.

 Referring to FIG. 4B, the position fixed by the hinge 171 in the arm 170 may be offset by a predetermined interval from the central axis of the arm 170, according to an embodiment. It may have a portion that is bent around the position fixed by the hinge 171.

 For reference, as illustrated in FIG. 4B, the portion 172 for pressing the operation button 161 of the cylinder 160 and the portion 173 to which the wire is connected to the arm 170 may have different bending angles θ1 and θ2. ) And an area, and thus, the force transmitted to the wire by the control lever 122 can be efficiently used.

 As a result, when the second adjustment lever 122 is operated (pulled), the wire 170 connecting the second adjustment lever 122 and the arm 170 is pulled toward the second adjustment lever 122 and the arm 170 is hinged 171. Rotate around the center to press the operation button 161 formed on the upper surface of the cylinder (160).

 The foregoing description of the present invention is intended for illustration, and it will be understood by those skilled in the art that the present invention may be easily modified in other specific forms without changing the technical spirit or essential features of the present invention. will be.

 Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive.

 For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

 The scope of the present invention is represented by the following claims, and it should be construed that all changes or modifications derived from the meaning and scope of the claims and their equivalents are included in the scope of the present invention.

100: chair
110: backrest
120: left and right armrest support
121: first adjustment lever (for moving the back)
122: second adjustment lever (for seat height adjustment)
123: interior space
124 bracket
124a: Jam Groove
130: seat
140: seat plate support
150: left and right moving guide portion
151: inclined portion
151a: Jam Groove
160: cylinder
161: Operation Button
170: arm
171 hinge
172: operation button pressurized portion
173: wire connection
180: chair stand
190: armrest

Claims (10)

back of a chair;
Left and right armrest support portions extending from the left and right sides of the backrest to face forward, respectively;
A first adjustment lever formed on any one of the left and right armrest supports;
A seat plate support part coupled to the bottom of the seat plate to support the seat plate; And
It includes extending from the left and right sides of the seat plate support, respectively, the left and right moving guide portion is formed inclined portion of a straight section having a predetermined angle toward the front upper direction,
The backrest and the armrest support are integrally formed to form an upper frame, the seat plate support and the movable guide part are integrally formed to form a lower frame,
The movement guide part and the armrest support part are coupled using a plurality of locking grooves, and the inclined portion of the movement guide part includes the locking grooves, and a bracket in which the locking grooves are formed is accommodated inside the armrest support part. And, the inclined portion of the moving guide portion is inserted into the armrest support portion is made by the engaging groove,
The first control lever and the bracket are connected by a wire, and the wire is pulled toward the first control lever by the operation of the first control lever, and the locking groove of the bracket is separated from the locking groove of the inclined portion. When the coupling is released and the operation of the first adjustment lever is stopped-the user's hand is released from the first adjustment lever-the locking groove of the bracket is re-engaged with the locking groove of the inclined portion, so that the armrest support unit and the The backrest is manufactured to be integrally inclined along the inclined portion of the straight section of the moving guide part by the operation of the first adjustment lever,
When the armrest support portion moves upward along the inclined portion of the movement guide portion, the backrest and the armrest support portion rise relatively in height relative to the seat plate and the backrest as the height rises. And the horizontal movement in the front direction of the armrest support is simultaneously induced, and the height rise and the front horizontal movement are made while maintaining the original backrest angle by the backrest and the original armrest angle by the armrest support. To do, chair.
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