JP2011229896A - Chair having moving structure of seat board whose seating position is adjusted - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a chair having a moving structure of a sitting board.SOLUTION: The chair has a seat board body 110 arranged on the upper part of the frame 400, a turnable link part 120 coupling the seat board body 110 and the frame 400 and making the seat board body 110 movable forward and rearward while turning the same at a predetermined angle, and an elastic support part elastically supporting the turnable link part 120, and is characterized in that the seat board body 110 goes rearward when being pressurized and goes forward when the pressurization is released. Further, buttocks can be comfortably and softly guided when a user sit on the chair.

Description

  The present invention relates to a chair. More specifically, it has a structure for moving the seat plate that can guide the hip more comfortably and gently when the user sits down, and can move the seat plate so that the seating position is adjusted. It is about a chair.

  Generally, a chair includes a back support portion and a seat plate portion to which a user's back and buttocks are respectively contacted.

  The back support part and the seat plate part are made of synthetic resin, metal, and wood so that they can be supported. Office chairs that handle business are provided with a cushioning material for the back support and seat plate of the chair surrounded by a leather sheet or a fabric sheet to give comfort.

  FIG. 1 is a perspective view of one form of a conventional chair.

  Referring to FIG. 1, a general office chair 1 includes a seat plate portion 10 on which a user's hip is seated, and a back support portion 20 that supports the user's back while being perpendicular to the seat plate portion 10. And a rotary foot portion 30 coupled to the lower portion of the seat plate portion 10 and an arm hanging portion 40 coupled to the seat plate portion 10.

  Here, the seat plate part 10, the back support part 20, and the armrest part 40 are made of a cushion material surrounded by a leather sheet or a fabric sheet, and can be configured to give comfort to the user.

  The chair 1 has a tilting member 50 that allows the back support portion 20 to move at an appropriate angle when the user warps the back back and forth. Mounted to connect. Here, the tilting member 50 has a structure capable of moving the back support portion 20 in the front-rear direction while rotating about one axis.

  By the way, the conventional chair 1 has a moving structure with respect to the back support part 20 that allows the back support part 20 to be rotated about one axis through the tilting member 50 when the user warps his back. However, the moving structure with respect to the seat plate portion 10 on which the user's buttocks is seated is not considered.

  Even if there is a chair that can move the seat plate portion 10, the seat plate portion 10 has to move with the movement of the back support 20.

  Therefore, according to the present invention, the user can guide the buttocks more comfortably and comfortably when sitting, and the seat plate portion can operate independently from the back support portion so that the sitting position can be adjusted. The object is to provide a chair having a moving structure of the seat plate.

  The present invention has a seat plate body disposed on the upper part of the frame, one side mounted on the frame and the other side mounted on the seat plate body, and the seat plate body can be moved forward and backward while rotating at a predetermined angle. A pivot link portion to be moved and an elastic support portion for elastically supporting the pivot link portion so that the seat plate body moves backward when pressurized and moves forward when pressure is released. Provided is a chair having a moving structure of a seat plate part which is characterized by operating.

  The rotation link portion includes a rotation shaft that is rotatably connected to the frame, one side rotatably connected to the rotation shaft, and the other side rotatably connected to the seat plate body. And a pair of link members.

  The pivot link portion is provided in a pair, and can support the seat plate main body at four points.

  The elastic support part may include a coil spring coupled to the rotation shaft and the link member.

  On the other hand, the present invention comprises a seat plate main body disposed at an upper portion of the frame, a seat plate cover coupled to the seat plate main body so as to be slidable, and a position fixing portion for fixing a sliding position of the seat plate cover. Can be included.

  A sliding part for guiding sliding of the seat plate body and the seat plate cover may be further included.

  The sliding part may include a locking protrusion formed on the seat plate body and a locking groove formed in an elongated hole in the seat plate cover so that the locking protrusion is inserted and moved.

  The sliding part may further include a spring having one end coupled to the seat plate body and the other end coupled to the seat plate cover.

  The position fixing portion includes a handle plate that is coupled to the seat plate main body so that one side is exposed on a side surface of the seat plate main body and the other side can be moved forward and backward toward the seat plate cover. A fixing projection that protrudes on the other side to fix the position of the seat plate cover, a plurality of fixing grooves that are drilled in the seat plate cover and into which the fixing projection is selectively inserted, and the handle And a spring installed at the lower part of the other side of the plate.

  On the other hand, the present invention provides a seat plate main body disposed at an upper portion of a frame, and a pivot link that connects the seat plate main body and the frame so that the seat plate main body can move forward and backward while rotating at a predetermined angle. Part, an elastic support part that elastically supports the rotating link part, a seat plate cover that is slidably coupled to the seat board body, and a position fixing part that fixes a sliding position of the seat board cover. Provided is a chair having a moving structure of a seat plate portion.

  According to the chair having the moving structure of the seat plate portion in which the sitting position of the present invention is adjusted, the following effects are obtained.

  First, if the seat plate body is pressurized by the user's buttocks in the initial position where it is placed in a comfortable position for the user to sit, the user can remain seated comfortably. If it moves to a position where it can be moved and the butt is released and the pressure is released, it can operate to move to the initial position again. Therefore, the user can be guided more easily and gently when sitting on the chair.

  Second, since the seat plate cover can slide forward and backward with respect to the seat plate body, the seat plate body can be fitted to the body shape and seating position such as the height of the user's back. You can adjust the position of the seat cover that is placed.

It is a perspective view with respect to one form of the conventional chair. It is a side view which shows the movement of a seat-plate main body with the chair of this invention. Similarly, it is a side view showing the movement of the seat plate body in the chair of the present invention. It is a partial exploded perspective view in the state where the seat board main part and seat board cover of the present invention were separated. It is an enlarged view with respect to the recessed part of FIG. FIG. 6 is a rear view of FIG. 5.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, when adding reference numerals to components in each drawing, it should be noted that the same components are given the same reference numerals as much as possible even if they are displayed on other drawings. There must be. Further, in the description of the present invention, when it is determined that a specific description of a related known configuration or function may obscure the gist of the present invention, a detailed description thereof will be omitted.

  2 and 3 are side views showing the movement of the seat plate main body in the chair of the present invention, and FIG. 4 is a partially exploded perspective view of the seat plate main body and the seat plate cover of the present invention separated from each other. 5 is an enlarged view of the concave portion of FIG. 4, and FIG. 6 is a rear view of FIG.

  As shown in FIGS. 2 and 3, the chair of the present invention roughly includes a seat plate portion 100 on which the user's buttocks are seated, and a back support portion 200 that supports the user's back. A rotary foot 300 attached to the lower part of the seat plate 100, a neck support 350 capable of supporting the user's neck, the seat plate 100, the back support 200, the rotary foot 300, And a frame 400 on which the neck support 350 is installed.

  The frame 400 may be formed such that a central region is bent so that the seat plate part 100 and the back support part 200 are perpendicular to each other.

  The seat plate portion 100 includes a seat plate main body 110 installed so as to be disposed on an upper portion of the frame 400, and a seat plate cover 130 that covers the upper portion of the seat plate main body 110 and seats a user's buttocks. And a moving means capable of moving the seat plate main body 110 and the seat plate cover 130 forward and backward in the horizontal direction.

  First, a structure that allows the seat plate main body 110 to move relatively horizontally in the upper part of the frame 400 will be described.

  The present invention includes a rotation link portion 120 having one side attached to the frame and the other side attached to the seat plate body, and allowing the seat plate body 110 to move forward and backward while rotating at a predetermined angle. An elastic support part (not shown) for elastically supporting the moving link part 120 is provided.

  Therefore, when the seat plate main body 110 is pressed by the user's buttocks in the initial position (see FIG. 2) placed at an easy position for the user to sit, the user sits comfortably. The position can be maintained (see FIG. 3), and when the butt is released and the pressure is released, the position can be moved to the initial position again.

  That is, the seat board main body 110 can be moved by the hips independently of the movement of the back support part 200 by the user's back.

  This will be described in more detail. The rotation link unit 120 is connected to the rotation shafts 121 and 122 that are rotatably connected to the frame 400, and one side is rotatably connected to the rotation shafts 121 and 122. The other side may be formed of a pair of link members 124 and 125 that are rotatably coupled to the seat plate body 110.

  In this embodiment, the rotation link portion 120 is provided as a pair, and thus the rotation shafts 121 and 122 are formed in two pieces, and the rotation shafts 121 and 122 and the like have a total of four. The link members 124 and 125 are attached.

  The pivot shafts 121 and 122 are installed so as to be respectively positioned in the horizontal direction and on the front side and the central region of the frame 400, respectively. The link members 124, 125 and the like are attached to the front of the chair as shown in FIGS. It can move at a predetermined angle with the rear facing.

  The four link members 124, 125 and the like support the frame area of the rectangular seat board main body 110 at four points while dispersing and balancing the weight of the user.

  Since the other side of the link members 124 and 125 is rotatably coupled to the seat plate main body 110, the seat plate main body 110 can be used while the link members 124 and 125 are rotated at a predetermined angle. Will be able to maintain a horizontal position.

  That is, the seat plate main body 110 at the position shown in FIG. 2 is positioned so as to protrude forward so that the user can easily sit down, but the direction indicated by the arrow in FIG. When the seat plate main body 110 is pushed backward, the link members 124 and 125 rotate along the rotation shafts 121 and 122 while the seat plate main body 110 is placed on the frame 400 arranged vertically. Move to touch.

  Here, the seat plate main body 110 operates so as to descend while moving backward when pressed according to the positional change of the link members 124 and 125, and to move up while moving forward when the pressure is released. it can.

  In such an operation process, the other side of the link members 124 and 125 is rotatably coupled to the seat plate main body 110 so that the seat plate main body 110 maintains a horizontal state even during movement. become.

  Meanwhile, since the rotation link part 120 is elastically supported by the elastic support part during the process of moving the seat plate main body 110, the moving operation can be made easier by the elastic force of the elastic support part. When the pressure applied to the seat plate main body 110 is released, the elastic support portion returns the seat plate main body 110 to the initial position.

  Although not shown in detail, the elastic support portion may include a coil spring coupled to the pivot shafts 121 and 122 and the link members 124 and 125.

  For example, as described above, the seat plate is configured by configuring the elastic support portion so that both edge regions of the coil spring having a high elastic coefficient are connected to the rotating shafts 121 and 122 and the link members 124 and 125, respectively. It is possible to soften the forward / backward movement of the main body 110 and enable the return movement.

  Of course, the elastic support portion can be modified using various other elastic bodies in addition to the coil spring as long as the seat plate body 110 can be moved back and forth and returned.

  Meanwhile, as described above, the seat plate cover 130 is coupled to the upper portion of the seat plate body 110 that can be moved forward and backward by the pivot link 120.

  Hereinafter, a structure in which the seat plate cover 130 moves with respect to the seat plate body 110 will be described.

  The seat plate cover 130 may include a cushion member as a portion where the upper portion is in contact with the user's buttocks, and the lower portion is slidably coupled to the seat plate body 110.

  Since the seat plate cover 130 can be slid forward and backward with respect to the seat plate main body 110, the seat plate main body can be adapted to the body shape such as the height of the user and the seating position. The position of the seat cover 130 placed on 110 can be adjusted.

  For this purpose, a sliding portion 160 for guiding the sliding movement of the seat plate cover 130 relative to the seat plate body 110 is provided on the seat plate body 110 and the seat plate cover 130.

  As shown in FIGS. 5 and 6, the sliding part 160 is moved such that the plurality of locking protrusions 161 formed on the seat plate main body 110 and the plurality of locking protrusions 161 are inserted. And a plurality of locking grooves 163 formed in the seat plate cover 130 in elongated holes, and springs 165 and 166 having one end coupled to the seat plate body 110 and the other end coupled to the seat plate cover 130. Including.

  As shown in FIG. 5, the locking projections 161 are four bolts in the upper edge region of the seat plate main body 110 as bolts having a mushroom-shaped head portion and a conical body portion in this embodiment. Are assembled and installed.

  The locking grooves 163 into which the locking protrusions 161 are inserted are fixed so as to correspond to the positions of the locking protrusions 161 at the lower part of the seat plate cover 130 as shown in FIG. It is made of a long hole having a length of

  The locking groove 163 has a size that allows a mushroom head of the locking protrusion 161 to be inserted in one side region, and the remaining area of the locking groove 163 is a body portion of the locking protrusion 161. Is formed in the form of a slit in which the head of the locking projection 161 can be hidden so that it can pass through while being in contact.

  Accordingly, the respective locking protrusions 161 formed on the seat plate main body 110 and the respective locking grooves 163 of the seat plate cover 130 are coupled to each other, so that the seat plate cover 130 is connected to the seat plate main body. A sliding movement can be performed along the front and rear of the chair about the length of the long hole of the locking groove 161.

  The springs 165 and 166 are elastically supported in one direction by the seat plate cover 130 with respect to the seat plate body 110 while one end is coupled to the seat plate body 110 and the other end is coupled to the seat plate cover 130. To be. Accordingly, the seat plate cover 130 does not slide excessively, and the position can be moved when an appropriate force is applied.

  In this embodiment, the springs 165 and 166 are constituted by tension springs and are mounted in spring insertion grooves 113 and 114 formed in the seat plate body 110. Here, when the springs 165 and 166 are compressed, about 2/3 of the space is exposed, and the spring insertion grooves 113 and 114 occupy the entire space when pulled in the right direction.

  One end of each of the springs 165 and 166 may be fixed to the seat plate main body 110 or may be supported on a side surface forming the spring insertion grooves 113 and 114, and the other end may protrude from the seat plate cover 130. The structure comes into contact with a formed protrusion (not shown).

  Therefore, when the seat cover 130 slides to the right, the springs 165 and 166 can be pulled in the right direction.

  Meanwhile, after the user moves the seat plate cover 130 forward and backward relative to the seat plate cover 110 and moves the position, the seat plate body 110 and the seat plate cover 130 are fixed so that the moved position is fixed. Is provided with a position fixing portion 150 for fixing the sliding position of the seat plate cover 130.

  The position fixing unit 150 is installed at a handle plate 151, a fixing protrusion 153 that protrudes from the other side of the handle plate 151 and fixes the position of the seat plate cover 130, and a lower part at the other side of the handle plate 151. Springs (not shown) and a plurality of fixing grooves 167 which are formed in the seat plate cover 130 and into which the fixing protrusions 153 are selectively inserted. Here, in the present embodiment, the fixing groove 167 has a configuration in which the plurality of fixing grooves are arranged long in the length direction so as to overlap each other.

  The handle plate 151 is formed in a bar shape having a predetermined length, and is partially bent so that one side can be operated by a user's hand, and the other side on which the fixing protrusion 153 is formed is the seat plate body. 110 is installed in a built-in form. That is, the handle plate 151 is coupled to the seat plate main body 110 such that one side is exposed on the side surface of the seat plate main body 110 and the other side is vertically movable toward the seat plate cover 130.

  The handle plate 151 can be moved in the vertical direction by using the center region as a reference. That is, when the user grips one side of the handle plate 151 and raises it vertically, the fixing projection 153 is formed while the spring installed on the lower side of the other side of the handle plate 151 is compressed. The other side of the handle plate 151 is lowered, and when the user releases the hand, the other side of the handle plate 151 is raised while the spring is elastically restored.

  The fixing protrusions 153 are selectively inserted into the plurality of fixing grooves 167 formed in the seat plate cover 130, but the fixing grooves 167 into which the fixing protrusions 153 are inserted depending on the sliding position of the seat plate cover 130. The position of is changed. At this time, the fixing protrusion 153 is inserted into or separated from the fixing groove 167 by an operation in which the user raises the handle plate 151 vertically upward and then lowers it.

  Usually, the fixing protrusion 153 is kept inserted in any one of the fixing grooves 167 by a spring mounted on the lower part of the other side of the handle plate 151.

  Accordingly, in order for the user to move the seat plate cover 130 to a desired position, one end of the one-side handle plate 151 must be raised vertically upward to release the coupling state of the fixing protrusion 153 and the fixing groove 167. . After the seat plate cover 130 is moved to a desired position, when the handle plate 151 is lowered or released, the fixing protrusion 153 is moved into the fixing groove 167 by the elastic force of the spring. The position of the seat plate cover 130 is fixed while being inserted.

  As described above, since the seat plate cover 130 can be moved forward and backward with respect to the seat plate body 110 as a reference, the moved position can be fixed. The position of the seat plate cover 130 placed on the seat plate body 110 can be adjusted to match the seating position.

  The above description is merely illustrative of the technical idea of the present invention, and a person who has ordinary knowledge in the technical field to which the present invention belongs does not depart from the essential characteristics of the present invention. Various modifications and variations will be possible. Accordingly, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but to explain it, and the scope of the technical idea of the present invention is limited by such an example. is not. The protection scope of the present invention should be construed according to the claims, and all technical ideas within the scope equivalent thereto should be construed as being included in the scope of the present invention.

100 Seat plate portion 110 Seat plate body 120 Rotating link portions 121 and 122 Rotating shafts 124 and 125 Link member 130 Seat plate cover 140 Adjustment lever 150 Position fixing portion 151 Handle plate 153 Fixing projection 160 Sliding portion 161 Locking projection 163 Engagement Stop groove 167 Fixed groove

Claims (10)

A seat plate body arranged at the top of the frame;
A rotation link portion that has one side attached to the frame and the other side attached to the seat plate main body, and allows the seat plate main body to move forward and backward while rotating at a predetermined angle;
An elastic support part for elastically supporting the rotation link part,
The chair having a moving structure of a seat plate portion, wherein the seat plate body operates to move backward when pressurized and to move forward when pressure is released. The pivot link part is
A pivot shaft rotatably coupled to the frame;
The seat plate portion according to claim 1, further comprising: a pair of link members, one side of which is pivotably coupled to the pivot shaft and the other side of which is pivotally coupled to the seat plate body. A chair having a moving structure.   The chair having a moving structure of the seat plate portion according to claim 2, wherein the pivot link portion is provided in a pair and supports the seat plate main body at four points.   The chair according to claim 2, wherein the elastic support part includes a coil spring coupled to the rotating shaft and the link member. A seat plate body arranged at the top of the frame;
A seat cover that is slidably coupled to the seat plate body;
A chair having a moving structure of the seat plate portion, including a position fixing portion that fixes a sliding position of the seat plate cover.   The chair according to claim 5, further comprising a sliding portion for guiding sliding of the seat plate body and the seat plate cover. The sliding part is
A locking projection formed on the seat plate body;
The chair having a seat plate portion moving structure according to claim 6, further comprising a locking groove formed in an elongated hole in the seat plate cover so that the locking projection is inserted and moved.   The structure of claim 6, wherein the sliding part further includes a spring having one end coupled to the seat plate body and the other end coupled to the seat cover. Chair with. The position fixing part is
A handle plate coupled to the seat plate body such that one side is exposed on a side surface of the seat plate body and the other side can be moved forward and backward toward the seat plate cover;
A fixing protrusion protruding on the other side of the handle plate and fixing the position of the seat plate cover;
A plurality of fixing grooves that are drilled in the seat plate cover and into which the fixing protrusions are selectively inserted;
The chair having the moving structure of the seat plate part according to claim 8, further comprising: a spring installed at a lower part on the other side of the handle plate. A seat plate body arranged at the top of the frame;
A rotation link portion that connects the seat plate main body and the frame and allows the seat plate main body to move forward and backward while rotating at a predetermined angle;
An elastic support portion for elastically supporting the rotation link portion;
A seat cover that is slidably coupled to the seat plate body;
A chair having a moving structure of the seat plate portion, including a position fixing portion that fixes a sliding position of the seat plate cover.

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