KR102467849B1 - A tilting chair - Google Patents

Abstract

The present invention relates to a tilting chair in which a seat unit can slide forward and backward, and at the same time, a backrest can tilt by a simple tilting member. More specifically, the present invention relates to a tilting chair which comprises: a backrest unit; a seat unit rotatably coupled to a lower side of the backrest unit; a support frame supporting the seat unit to have a certain height such that a pair of armrest units is rotatably coupled to both sides of the backrest unit and at the same time, is movably and rotatably coupled to the seat unit; and a tilting member inserted into the support frame and installed to be slidable forward and backward with a lower side of the seat unit, and tilting the backrest unit at a certain angle by moving. The seat unit is movably and rotatably coupled to a long groove formed to have a certain length on the support frame. The long groove is formed to have the same inclination angle as the tilting angle of the backrest unit.

Description

Tilting chair {A tilting chair}

The present invention relates to a tilting chair in which a backrest can be tilted simultaneously with a sliding movement of a seat portion in a forward and backward direction by a tilting member having a simple structure.

In general, the basic structure of a chair has a chair frame that can be floated at a certain height from the floor and has a structure to which a seat can be attached, a seat, and optionally a backrest, and additional structures for various conveniences are added to this basic structure. It has been developed into a variety of chairs with

In particular, in the case of a chair used in an office or home, the seat and backrest basically have a cushion function, and casters, or wheels, are installed to make it easy to change the position, and the backrest has a function to adjust the height and a backrest to lean back comfortably. It has a tilting function.

In the case of the double tilting function, various and complex structural technologies are applied so that you can feel comfortable rather than simply tilting.

On the other hand, chairs used in company conference rooms, academies, or schools have a relatively simple structure, and the seat or backrest is made of wood or synthetic resin and does not have a cushion function. I am using the connected one.

In order to prevent scoliosis without straining the back when sitting in a chair for a long time, a change in posture is required in addition to the basic form in which the user maintains the back upright, but in a chair with a fixed backrest, the back is floating in the air. This can cause back pain and herniated discs.

Therefore, it is necessary to develop a tilting chair that can be easily applied to the types of chairs provided in low-cost schools or private institutes so that the backrest can be tilted backward.

Domestic Patent Registration No. 10-2177229 (Announcement date: 2020.11.13.) Domestic Patent Registration No. 10-0966112 (Announcement date: 2010.06.28.)

In order to solve the above-mentioned conventional problems, the present invention provides a simple tilting means in a chair structure having a simple structure composed of a chair frame, a seat and a backrest, so that the tilting of the backrest can be stably implemented according to the forward and backward movement of the seat. We want to provide a chair, and that is the purpose.

For the above technical problem, the tilting chair according to the present invention has a backrest 100, a seat 200 rotatably coupled to the lower part of the backrest 100, and the seat 200 has a predetermined height Supported to have a pair of armrests 311 are rotatably coupled to both sides of the backrest 100 and at the same time movably and rotatably coupled to the seat 200, the support frame 300 and A tilting member 400 inserted into the support frame 300 and installed to be slidably movable in the lower part of the seat 200 and in the forward and backward directions, and tilting the backrest part 100 at a predetermined angle by movement, The seat part 200 is movably and rotatably coupled to the long groove 315 formed in the support frame 300 to have a length so as to be perforated, and the long groove 315 has the same tilting angle as the backrest part 100. It is characterized in that it is formed to have an inclination angle.

In addition, the support frame 300 has the armrest part 311 formed on the upper part, a plurality of movable and fixed wheels 313 provided on the lower part, and the frame 310 having the long grooves 315 formed on the outer surface and , a space maintaining bar 320 formed so that the pair of frames 310 can be fixed at a predetermined interval, and the distance maintaining bar 320 formed so that both ends are connected to the frame 310, and the outer surface is the tilting member ( It is preferable to include an extension bar 330 into which 400) is inserted.

In addition, the support frame 300 preferably further includes a shelf tray 340 for storing belongings.

In addition, the shelf tray 340 is formed in a mesh shape and is preferably rotatably installed on a pair of hanging bars 341 connected to a pair of hooks 317 formed on the support frame 300 .

In addition, the tilting member 400 has a guide pin 211 provided on the lower surface of the seat portion 200 and a plate 410 that is slidably coupled in the forward and backward directions, and one end is coupled to the seat portion 200 However, the other end is coupled to the plate 410 and the plate 410 after moving forward is provided with an elastic body 420 provided so that it can move backward by an elastic force, and the plate 410 and the elastic body 420 inwardly. ) is coupled to the plate 410 by the fastening means P so that the outer surface includes a tilting case 430 formed with the support frame 300 and a detachable insertion groove 431, but the plate 410 ) is preferably formed with a plurality of through-holes 411 having a predetermined length so that the guide pin 211 and the elastic body 420 can pass through.

In addition, the guide pin 211 is fixed to the protruding part 210 protruding downward on the lower surface of the seat part 200 in a plurality of structures adjacent to each other to control the moving distance of the plate 410, The protruding height of the protruding part 210 is such that the tip of the fastening means (P) for fixing the tilting case 430 and the plate 410 to each other does not face the lower surface of the seat part 200. Protruded to have a height it is desirable

According to the present invention, when the seat is moved forward and backward by a tilting member having a simple structure provided at the lower part of the seat, unlike the prior art, the backrest is guided to the long groove of the support frame and tilting can be performed. have an effect

1 is a perspective view showing a tilting chair according to the present invention.
Figure 2 is a side view of Figure 1;
Figure 3 is an exploded perspective view of the bottom of the tilting chair with respect to Figure 1;
Figure 4 is another embodiment of the support frame for the tilting chair according to the present invention.
5 and 6 are operational relationships for the tilting chair according to the present invention.

Hereinafter, various embodiments will be described in more detail with reference to the accompanying drawings. The embodiments described in this specification may be modified in various ways. Certain embodiments may be depicted in the drawings and described in detail in the detailed description. However, specific embodiments disclosed in the accompanying drawings are only intended to facilitate understanding of various embodiments. Therefore, the technical idea is not limited by the specific embodiments disclosed in the accompanying drawings, and it should be understood to include all equivalents or substitutes included in the spirit and technical scope of the invention.

Terms including ordinal numbers, such as first and second, may be used to describe various components, but these components are not limited by the above terms. The terminology described above is only used for the purpose of distinguishing one component from another.

In this specification, terms such as "comprise" or "having" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded. It is understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, but other elements may exist in the middle. It should be. On the other hand, when an element is referred to as “directly connected” or “directly connected” to another element, it should be understood that no other element exists in the middle.

In addition, in describing the present invention, if 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 abbreviated or omitted.

Hereinafter, the tilting chair 1 according to the present invention will be described in detail with reference to the accompanying drawings.

First, as shown in FIGS. 1 to 6, the tilting chair 1 according to the present invention largely includes a backrest 100, a seat 200, a support frame 300, and a tilting member 400. .

More specifically, the backrest part 100 stably supports the back of the user's body to be seated on the tilting chair 1, but tilts at a predetermined angle through the operation of the tilting member 400 described later. It is configured to induce a user's rest or posture comfort.

To this end, as shown, the backrest portion 100 is formed in a curved shape having a plurality of bent portions as a whole so that the back portion can be stably supported, and both sides are rotatably coupled with the armrest portion 311, , The lower portion has a structure rotatably coupled to the seat portion 200.

Here, a rotary shaft 110 capable of penetrating not only the seat part 200 but also the long groove 315 is formed at the lower part of the backrest part 100 rotatably coupled to the seat part 200, so that the rotary shaft 110 Through this, rotation and movement of the seat part 200 is possible, and furthermore, a structure in which rotation between the backrest part 100 and the frame 310 is possible can be satisfied.

In addition, the seat part 200 allows the user's buttocks to be seated and seated, but the tilting member 400 is provided at the bottom, and the rear side is provided with the long groove 315 constituting the support frame 300 and rotation as well as , movably coupled.

To this end, a guide pin 211 is provided on the lower surface of the seat 200 so that the plate 410 constituting the tilting member 400 can be movably coupled in the forward and backward directions.

At this time, it is preferable that a pair of guide pins 211 are fixedly installed on the lower surface of a pair of protrusions 210 extending downward from the lower surface of the seat portion 200 so as to have a space adjacent to each other in the longitudinal direction of the protrusions 210. .

Here, the movement distance D1 of the through hole 411 into which the pair of guide pins 211 are inserted is installed to have the same distance as the distance D2 of the long groove 315 to be described later, and through this, the seat portion ( 200) to limit the distance that can be moved in the forward and backward directions.

On the other hand, the protruding height of the protrusion 210 is screwed so that the tilting case 430 and the plate 410 can be fixed to each other by a fastening means P such as a bolt, etc. (200) It is protruded to have a height that cannot be met with the lower surface, so that the seat portion 200 is not damaged due to friction with the fastening means (P) when moving in the forward and backward direction.

In addition, the support frame 300 is arranged so that the above-described seat part 200 has a predetermined height from the ground or floor, adding a sense of stability to the user's seating, and at the same time, the movement of the tilting chair 1 according to the present invention A configuration for enabling fixation includes a frame 310, a spacing bar 320 and an extension bar 330.

For example, as shown in the drawing, the frame 310 is arranged so that a pair has a predetermined height on both sides of the seat 200, but a pair of wheels 313 are rotated and fixed under each frame 310. An auxiliary frame having a predetermined angle may be formed under the frame 310 so that it can be provided.

Here, the frame 310 and the wheel 313 provided under the auxiliary frame use a caster capable of moving and fixing.

On the outer surface of the frame 310, a long groove having a predetermined length is rotatably coupled to the backrest 100 as well as the seat 200 through the pair of rotational shafts 110 formed on the backrest 100 described above. 315 is formed, but the length D2 of the long groove 315 is formed to have the same length as the distance D1 that the guide pin 211 described above can move within the through hole 411.

At this time, the long groove 315 slides the seat 200 forward through the operation of the tilting member 400 to be described later and at the same time the backrest 100 rotates at a predetermined angle, the backrest 100 It is preferable that the perforations are formed in an oblique shape to have the same inclination angle A as the tilting angle of the backrest part 100 so as to minimize the stress applied to the armrest part 311 rotatably coupled to both sides.

In addition, as shown, the distance maintaining bar 320 is configured to maintain a constant distance between the pair of frames 310 so that the user can stably sit when using the tilting chair 1, and both ends are It is installed to be connected to the frame 310 by welding or the like.

In addition, the extension bar 330 protrudes forward to have a band shape connected to the outer surface of the spacing bar 320, and the insertion groove 431 formed in the tilting case 430 is formed on the outer surface of the extension bar 330 to fit the shape so that it can be fitted together.

On the other hand, the support frame 300 in the present invention is attached to the shelf tray 340 or the shelf tray 340 for accommodating belongings B such as bags carried by the user who uses the tilting chair 1 incidentally. At least one of the controllers 350 for checking whether the stored belongings B are lost may be further included.

In other words, as shown, the shelf tray 340 is molded to have a mesh or plate shape, but is provided with hanging bars 341 having a predetermined height on both sides so as to maintain a space between the bar 320 and the frame 310. Detachably bonded.

To this end, a hook 317 for detachably coupling with the upper part of the hanging bar 341 is formed on the spacer bar 320 or the frame 310, and the hook 317 is connected to the controller 350 as needed. An electrically connected tension sensor 351 is provided so that the weight of belongings B stored in the shelf tray 340 can be measured.

Here, although not shown, the controller 350 is mounted on a pair of armrests 311 and the like so that the user can directly operate the controller 350, and transmits the weight of belongings B measured by the tension sensor 351 as data. received and stored in the controller 350 so that whether or not belongings B are lost can be confirmed in real time.

For example, when the belongings (B) of a user seated on the tilting chair 1 according to the present invention are stored in the shelf tray 340, the weight information of the belongings (B) is measured by the tension sensor 351 and the controller ( 350), and after confirming the weight of belongings (B) measured through a display or the like, the switch provided in the controller 350 is activated in an ON state.

In this state, if an attempt is made to steal belongings B stored in the shelf tray 340 by another person, the tension sensor 351 loses the weight information stored in the shelf tray 340, and the information is transmitted to the controller 350 as it is.

Then, the controller 350 senses that the weight information of the minimum belongings B is different than the set information, and through the alarm unit 353 outputs a vibration by a vibration element or an alarm using a speaker, the belongings (B) ) is taken out of the shelf tray 340, a signal is applied so that the user can confirm that the lost item B can be easily implemented.

Here, the vibration element is provided in a position where the user's body can directly contact, such as the seat part 200, the backrest part 100, and the armrest part 311.

In addition, the tilting member 400 is configured to help the user rest by tilting (rotating) the backrest 100 at a predetermined angle, and includes a plate 410, an elastic body 420, and a tilting case ( 430).

For example, as shown in the figure, the plate 410 is molded to have the shape of a plate as a whole using a metal material, but a guide pin 211 is inserted through the outer surface so as to be able to slide in the forward and backward directions, and the elastic body 420 is separately penetrated. A plurality of through holes 411 are perforated to have a predetermined length.

At this time, among the plurality of through holes 411 formed in the plate 410, the through hole 411 through which the guide pin 211 passes is preferably formed at a position opposite to the protruding portion 210 in the vertical direction.

In addition, one end of the elastic body 420 is fixed to the lower surface of the seat 200 by the fastening means P, and the other end penetrates the through hole 411 and is installed so that it can be fixedly coupled to the outer surface of the plate 410. The plate 410, which is elastically deformed by the slide movement of the 410 and moved forward, may be provided in a plurality so as to be automatically moved backward by the elastic force.

At this time, the elastic body 420 may use a coil spring, and the elastic body 420 is preferably installed so that a portion coupled to the lower surface of the seat portion 200 can be fixed between a pair of protrusions 210.

In addition, the tilting case 430 is molded using a synthetic resin material to have the shape of an enclosure with an open top, so that the plate 410 including the elastic body 420 and the guide pin 211 is not exposed to the outside. It has a structure that is fixed by screwing with the plate 410 through the fastening means (P).

At this time, an insertion groove 431 for being inserted into the extension bar 330 is formed on the outer surface of the tilting case 430 so that the seat 200 is stably fixed so that the user can be seated.

As described above, in the tilting chair 1 according to the present invention, unlike the prior art, the seat portion 200 is moved forward and backward by the tilting member 400 having a simple structure provided below the seat portion 200. When it moves, the backrest part 100 is guided to the long groove 315 of the support frame 300 by the movement, so that tilting can be performed.

As described above, the present invention has been described by specific details such as specific components and limited embodiments and drawings, but these are provided to help a more general understanding of the present invention, and the present invention is not limited to the above embodiments. , Those skilled in the art in the field to which the present invention belongs can make various modifications and variations from these descriptions.

Therefore, the spirit of the present invention should not be limited to the described embodiments, and it will be said that not only the claims to be described later, but also all modifications equivalent or equivalent to these claims belong to the scope of the present invention. .

1: tilting chair according to the present invention
100: backrest
110: axis of rotation
200: seat part
210: protrusion 211: guide pin
300: support frame
310: frame 311: armrest
313: wheel 315: long groove
317: hook 320: spacing bar
330: extension bar 340: shelf tray
341: hanging bar 350: controller
351: tension sensor 353: alarm unit
400: tilting member
410: plate 411: through hole
420: elastic body 430: tilting case
431: insertion groove
A: the angle of the groove
D1: Distance the guide pin can travel within the through hole
D2: the distance of the janghom

Claims (6)

Backrest portion 100;
a seat portion 200 rotatably coupled to the lower part of the backrest portion 100;
The seat part 200 is supported to have a predetermined height, but the pair of armrest parts 311 are rotatably coupled to both sides of the backrest part 100 and simultaneously move and rotate with the seat part 200. A support frame 300 that can be coupled; and
A tilting member 400 that is inserted into the support frame 300 and is installed to be slidably movable in the lower part of the seat 200 and in the forward and backward directions, and tilts the backrest part 100 at a predetermined angle by movement. ,
The seat part 200 is movably and rotatably coupled to the long groove 315 formed in the support frame 300 to have a predetermined length, and the long groove 315 has the same tilting angle as the backrest part 100. It is formed to have an inclination angle,
The tilting member 400 includes a guide pin 211 provided on the lower surface of the seat 200 and a plate 410 that is slidably coupled in the forward and backward directions, and one end is coupled to the seat 200, but the other end The elastic body 420 provided so that the plate 410 after moving forward by combining with the plate 410 moves backward by an elastic force, and the plate 410 and the elastic body 420 inwardly It is coupled to the plate 410 by the fastening means P so as to be wrapped, but the outer surface includes a tilting case 430 having an insertion groove 431 detachable from the support frame 300, the plate 410 A tilting chair characterized in that a plurality of through holes 411 having a predetermined length are perforated so that the guide pin 211 and the elastic body 420 can pass through.
According to claim 1,
The support frame 300 is
A frame 310 in which the armrest part 311 is formed on the upper part, a plurality of movable and fixed wheels 313 are provided on the lower part, and the janghom 315 is formed on the outer surface;
A pair of the frame 310 is formed to be fixed at a predetermined interval, both ends of the frame 310 and the gap maintaining bar 320 formed; and
The tilting chair, characterized in that it includes; an extension bar 330 formed on the space maintaining bar 320 and having an outer surface into which the tilting member 400 is inserted.
According to claim 2,
The support frame 300 is
A tilting chair further comprising a shelf tray 340 for storing belongings.
According to claim 3,
The shelf tray (340) is formed in a mesh shape and is rotatably installed on a pair of hanging bars (341) connected to a pair of hooks (317) formed on the support frame (300).
delete According to claim 1,
The guide pin 211 is
It is fixedly installed in a plurality of configurations adjacent to each other to control the moving distance of the plate 410 on the protrusion 210 protruding downward on the lower surface of the seat portion 200,
The protruding height of the protruding part 210 is such that the tip of the fastening means (P) for fixing the tilting case 430 and the plate 410 to each other does not face the lower surface of the seat part 200. Protruded to have a height Tilting chair, characterized in that.

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