WO2010123234A2 - Panneau de siège de type à cylindre et chaise fonctionnelle l'utilisant - Google Patents

Panneau de siège de type à cylindre et chaise fonctionnelle l'utilisant Download PDF

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Publication number
WO2010123234A2
WO2010123234A2 PCT/KR2010/002415 KR2010002415W WO2010123234A2 WO 2010123234 A2 WO2010123234 A2 WO 2010123234A2 KR 2010002415 W KR2010002415 W KR 2010002415W WO 2010123234 A2 WO2010123234 A2 WO 2010123234A2
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WO
WIPO (PCT)
Prior art keywords
rollers
chair
seat plate
height
housing
Prior art date
Application number
PCT/KR2010/002415
Other languages
English (en)
Korean (ko)
Other versions
WO2010123234A3 (fr
Inventor
김남오
Original Assignee
주식회사 닥터스생활과학
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Publication of WO2010123234A2 publication Critical patent/WO2010123234A2/fr
Publication of WO2010123234A3 publication Critical patent/WO2010123234A3/fr

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/024—Seat parts with double seats
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/029—Seat parts of non-adjustable shape adapted to a user contour or ergonomic seating positions
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/38—Support for the head or the back for the head
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/405—Support for the head or the back for the back with double backrests
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/54—Supports for the arms
    • A47C7/541—Supports for the arms of adjustable type

Definitions

  • the present invention relates to a roller-type seat and a functional chair using the same, and in particular, by fixing both ends of a pipe-shaped support shaft between the upper plate and the lower plate housing of the seat plate and exposing only the roller part, assemblability can be achieved without causing aesthetics and durability problems.
  • a roller type seat plate having an excellent roller support structure and a chair using the same.
  • a chair suitable for the body type In order for the seated person to sit on the chair in a correct position, a chair suitable for the body type must be selected.
  • the seated chair should be seated in the chair in a correct position, with the seated back of the seat seated deeply behind the seat so that the back is supported by the backrest, the shoulders should be seated backwards, and the back straightened to a normal full-curved stance so that the head does not lean forward. I have to sit down.
  • a normal full swing posture refers to a position that is slightly full with the waist slightly forward.
  • the chair proposed in US Pat. No. 0768480 includes a seat 10 supporting the buttocks of the occupant, a back plate 50 to which a pair of backrests 60 and 62 are coupled, and a rotary lift.
  • the exercise device 70, the leg 80, and a pair of armrests 84 are provided.
  • the seat 10 is constituted by a pair of side plates 20 and 22 arranged in parallel with each other and a plurality of rollers 30 mounted between the side plates 20 and 22.
  • a plurality of shaft holes 24 are formed in each of the side plates 20 and 22 so as to face each other, and a connecting plate 26 for connecting the side plates 20 and 22 is mounted below the side plates 20 and 22. .
  • Each of the rollers 30 is positioned between the shaft 32 fitted through the bearing 36 and the side plates 20 and 22 so that both ends thereof can rotate in the shaft holes 24 of the side plates 20 and 22. It consists of the cylindrical body 34 attached to the outer surface of the shaft 32. As shown in FIG.
  • the cylindrical body 34 is made of a flexible material, for example, urethane, silicone rubber, or soft plastic.
  • the roller 30 is mounted so that its height is gradually lowered from the front side of the side plates 20 and 22 to the rear side in order to move the seat of the seated person backward by the rolling motion.
  • a plurality of auxiliary rollers 40 are additionally installed between the side plates 20 and 22 so as to be positioned in front of the uppermost roller 30-1 having the highest height among the rollers 30.
  • the shaft 42 and the cylindrical body 44 of the auxiliary roller 40 are comprised similarly to the shaft 32 and the cylindrical body 34 of the roller 30. As shown in FIG.
  • the auxiliary roller 40 is mounted so that its height is gradually lowered toward the front with respect to the upper roller 30-1.
  • the seat 10 provided in the above-described conventional chair must first assemble the shaft 32 of the roller 30 to the bearing 36 in a state in which the bearing 36 is assembled to the shaft hole 24.
  • the material of the side plates (20, 22) is made of plastic, a number of rollers 30 must be supported by the shaft hole 24, there was a problem that durability is poor.
  • the side plate is made of synthetic resin
  • the load is applied to both side plates through both ends of the roller 30 when the user is installed on the seat plate may cause a problem that both side plates are opened. Therefore, in order to prevent the problem of opening both side plates, there is a problem in that a base plate made of a metal body is attached to and supported at the lower portions of both side plates.
  • the roll 30 is configured to rotate, but if the bearing is not used, durability is not good due to the wear phenomenon during continuous rotation.
  • the shaft 32 of the roller 30 is a rod-type rod, it has a heavy weight and a high price, so that the use has been limited.
  • the shaft 32 of the roller 30 is fixed to the shaft hole 24 of the side plates 20 and 22, and the cylindrical body 34 is configured to rotate about the shaft 32.
  • the shaft 32 is fixed to the small shaft hole 24, assembly and durability become poor, and the cylindrical body 34 made of a flexible material is rotated about the shaft 32. There is an undesirable problem in terms of durability.
  • the chair is disclosed in a state in which the neck rest 86 and the armrest 84 is fixed, it is required to be able to adjust the height according to the user's physical characteristics.
  • the height adjustment means for adjusting the height of the armrest disclosed in the Republic of Korea Register No. 0331920, when the pressing portion is pressed by the elasticity of the spring, the locking projection is detached from the locking hole and the movable body moves up and down to the desired position and The locking hole is fastened to adjust the height. At this time, when the length of the operation port connecting the pressing portion and the locking projection is increased, and the height adjustment is repeated, bending of the operation hole itself occurs, and thus the height is not easily adjusted to the correct position. When located in the middle of the moving to the engaging hole there is a problem that the impact noise caused by the elastic restoring force.
  • the chair having a conventional armrest height adjusting means has a disadvantage that the locking projection is damaged due to the bending of the operating tool itself by the repeated height adjustment operation, or the fastening state with the locking hole is not easy, so that the height adjustment is not made smoothly. There was this.
  • an object of the present invention is a roller capable of rotatably supporting a plurality of rollers without causing problems of aesthetics and durability by fixing both ends of the pipe-like support shaft between the upper plate and the lower plate housing of the seat plate and exposing only the roller portion. It provides a seat and a chair using the same.
  • Another object of the present invention is to provide a chair excellent in assembly because a plurality of rollers used for the seat plate is integrally fastened through the upper plate housing and the lower plate housing.
  • Still another object of the present invention is that when the roller of the seat plate is rotated by the rotating shaft is rotatably coupled to the support shaft through a wide bearing sleeve bearing to reduce the wear of the rotating coupling portion can be suppressed noise generation and increase durability Provide a chair.
  • Another object of the present invention is to support the rotating shaft of the roller to the seat plate and at the same time some of the rollers located at the front end by using a one-way clutch bearing that can prevent reverse rotation can prevent safety accident It provides a roller seat plate and a chair using the same.
  • Another object of the present invention is to adjust the height of the armrest while continuously moving the height adjustment button along the guide rail, the noise generation is small, the height adjustment operation is easy and the deformation does not occur even in repeated height operation is excellent armrest height
  • a chair having an adjustment structure is provided.
  • a base frame provided with a plurality of legs branched on the lower side; Both ends of the plurality of support shafts are buried and fixed to both sides of the opposing space portion of the seat plate housing provided at the top of the base frame and having a quadrilateral space portion at the center thereof, and a plurality of rollers are rotatable on the plurality of support shafts.
  • both ends of a plurality of support shafts are buried and fixed to both sides of an opposing space portion of a seat plate housing having a quadrilateral space portion at a central portion thereof, and a plurality of rollers are rotatable on the plurality of support shafts.
  • the base frame is provided with a plurality of legs branched on the lower side;
  • a seat plate provided on the base frame and having a plurality of rollers rotatably supported at both ends of the rotating shaft on opposite sides of the seat plate housing having a quadrilateral space portion at the center thereof, respectively;
  • a pair of armrests one end of which is supported on the left and right sides of the base frame and the other end of which supports both arms of the user; And one end is supported on the rear end of the base frame and the other end provides a chair comprising a back portion for supporting the user's back.
  • a seat plate having a plurality of rollers rotatably embedded at both ends of rotating shafts on opposite sides of a seat plate housing having a quadrangular space portion at a central portion thereof. And one end is supported on the rear end of the seat plate and the other end provides a chair comprising a back portion for supporting the user's back.
  • the seat plate housing has a quadrangular space portion at a central portion thereof, and both sides of the space portion are formed in a quadrangular shape in which a height increases as it moves forward, and a plurality of support shafts are coupled to the lower side of both sides.
  • a quadrangular flange coupled to a lower side of the upper housing and having a plurality of seating grooves in which the plurality of support shafts are seated and fixed at a position corresponding to the fitting groove of the upper housing.
  • the bottom plate of the lower housing further includes a plurality of reinforcing protrusions connected to the bottom of the flange and arranged in a grid shape to reinforce the strength of the bottom plate.
  • the plurality of support shafts include a plurality of front support shafts whose height increases toward the front and a plurality of rear support shafts having the same height.
  • the plurality of rollers include rollers having different diameters alternately arranged, and include a plurality of front rollers having a height that increases as they move forward, and a plurality of rear rollers having the same height.
  • the seat plate is installed on the upper portion of the base frame and the outer peripheral portion is made of a quadrilateral shape and has a quadrilateral space portion in the center portion housing;
  • a plurality of support shafts having a pipe shape in which both ends are buried in opposing opposite sides of the seat plate housing;
  • a plurality of rollers rotatably coupled to the plurality of support shafts.
  • Each of the plurality of rollers includes a rotation shaft rotatably coupled to an outer circumference of the support shaft, and a cushion member formed of a material having elasticity on the outer circumference of the rotation shaft.
  • At least one pair of sleeve bearings disposed between the support shaft and the rotation shaft to reduce frictional force.
  • the plurality of rollers includes a plurality of front rollers that suppress reverse rotation and rotate only in the forward direction and a plurality of rear rollers that allow bidirectional rotation so that the user seated on the seat falls forward by the forward rotation of the rollers. Can be prevented.
  • the plurality of front rollers are supported by one-way clutch bearings, and the plurality of rear rollers are preferably supported by sleeve bearings.
  • the cushion member is made of one of urethane, silicone, soft plastic and foamed urethane or a synthetic leather surrounding a sponge and a sponge.
  • the plurality of rollers include rollers having different diameters alternately arranged, and include a plurality of front rollers having a height that increases as they move forward, and a plurality of rear rollers having the same height.
  • the seat plate housing is fixed to both ends of the plurality of support shafts on opposite sides and extends to form a downward groove from the inner periphery of the flange portion of the four-shaped flange and the height increases toward the front and the center portion parallel to the horizontal plane
  • a lower housing having a base plate fixed to the base frame and having a flat surface, the lower housing having a shape corresponding to the flange portion of the lower housing, and fixed to the flange portion to cover both ends of the plurality of support shafts; It includes an upper housing having a quadrilateral inner periphery in which the roller is accommodated.
  • the white supporter to form a coupling groove in the up and down direction on the inner side between the back plate portion, and is installed on the inner surface of the coupling groove of the white supporter, a plurality of locking grooves spaced up and down A height adjusting portion formed in a direction, a head supporting the user's head, a head connecting portion rotatably supporting the head at a distal end, and a lower end inserted into the coupling recess, and a head connecting portion installed at a lower end of the head connecting portion. It further includes an elastic coupling means that is selectively coupled to the plurality of engaging grooves are positioned while the elastic deformation is made according to the vertical movement of the.
  • the elastic coupling means is composed of a leaf spring having a bent coupling portion coupled to one end is fixed to the lower end of the head connecting portion and elastically coupled to one of the plurality of engaging grooves on the other end.
  • the pair of armrests are supported to be adjustable in height, respectively, the pair of armrests are each one end is fixed to the base frame and the other end has a coupling groove and the other end is inserted and fixed to the coupling groove of the arm
  • the lever of the height adjustment button has a width that is smaller than the width of the concave portion of the guide rail and the cutting portion that can move along the guide rail, the diameter is relatively larger than the diameter of the guide rail convex portion is limited to move up / down along the guide rail It includes a round rod.
  • the cutting length of the lever is set smaller than the depth of the guide rail.
  • the outer peripheral portion is made of a quadrilateral shape and having a quadrilateral space portion in the central portion housing;
  • a plurality of support shafts having a pipe shape in which both ends are buried in opposing opposite sides of the seat plate housing;
  • it provides a seat plate comprising a plurality of rollers rotatably coupled to the plurality of support shafts.
  • Each of the plurality of rollers includes a rotation shaft rotatably coupled to an outer circumference of the support shaft, and a cushion member formed of a material having elasticity on the outer circumference of the rotation shaft.
  • At least one pair of sleeve bearings disposed between the support shaft and the rotation shaft to reduce frictional force.
  • the cushion member is made of one of urethane, silicone, soft plastic and foamed urethane or a synthetic leather surrounding a sponge and a sponge.
  • the plurality of rollers are alternately arranged with rollers of different diameters, the plurality of rollers includes a plurality of front rollers of the same height and a plurality of rear rollers of the same height, and the plurality of rollers having different diameters
  • the rollers are alternately arranged and increase in height toward the front.
  • the plurality of rollers have the same diameter, and includes a plurality of front rollers having a height increasing toward the front and a plurality of rear rollers having the same height.
  • the seat plate housing is fixed to both ends of the plurality of support shafts on opposite sides and extends to form a downward groove from the inner periphery of the flange portion of the four-shaped flange and the height increases toward the front and the center portion parallel to the horizontal plane
  • a lower housing having a base plate fixed to the base frame and having a flat surface, the lower housing having a shape corresponding to the flange portion of the lower housing, and fixed to the flange portion to cover both ends of the plurality of support shafts; It includes an upper housing having a quadrilateral inner periphery in which the roller is accommodated.
  • the front portion of the upper housing gradually decreases in height from both end portions toward the center portion, and gradually decreases in height from the rear end toward the shear direction.
  • the support shaft and the sleeve bearing are made of metal, and the rotating shaft is made of synthetic resin.
  • It further comprises a plurality of reinforcing frames connected between the bottom plate of the lower housing and the bottom of the flange to reinforce the strength of the bottom plate.
  • the plurality of support shafts include a plurality of front support shafts whose height increases toward the front and a plurality of rear support shafts having the same height.
  • the outer peripheral portion is made of a quadrilateral shape and the seat plate housing having a quadrilateral space portion in the center; And a plurality of rollers rotatably embedded at both ends of the rotating shaft on opposite sides of the seat housing.
  • the plurality of rollers preferably include a rotating shaft rotatably coupled to the seat plate housing and a cushion member formed of a material having elasticity on an outer circumference of the rotating shaft.
  • the seat plate housing may further include a plurality of pairs of sleeve bearings to reduce the friction between the plurality of rotation shaft and the seat plate housing when a plurality of rollers rotate.
  • the chair of the present invention can easily assemble a plurality of rollers in the lower housing of the seat plate to cover the fixed portion of the roller with the upper housing is excellent in the assembly and provides an excellent mass production effect.
  • the chair of the present invention uses a pipe having a hollow inside as a support shaft of the roller, so it is lightweight and can be manufactured at low cost, and can be rotated and supported using a sleeve bearing, thereby improving the assembly of the roller and minimizing noise and wear. .
  • the chair of the present invention has a durability that does not deform even if used permanently because the height is adjusted along the guide rail when adjusting the height of the armrest.
  • FIG. 1 is a perspective view showing a conventional chair
  • FIG. 3 is a perspective view of a chair according to an embodiment of the present invention.
  • FIG. 4 is a rear view showing a chair according to an embodiment of the present invention.
  • FIG. 5 is an exploded perspective view showing a chair according to an embodiment of the present invention.
  • FIG. 6 is an exploded perspective view of a seat plate on a chair according to the present invention.
  • FIG. 8 is a side view illustrating a state in which the seat plate of FIG. 6 is assembled
  • FIG. 9 is a plan view illustrating a state in which the seat plate of FIG. 6 is assembled.
  • FIG. 10 is a cross-sectional view taken along the line A-A of the seat plate shown in FIG.
  • FIG. 11 is a cross-sectional view taken along line B-B of the seat plate shown in FIG. 9;
  • FIG. 12 is a sectional view taken along the line D-D of the seat plate shown in FIG. 9;
  • FIG. 13 and 14 is a schematic perspective view and a side view showing a roller support structure according to another embodiment of the present invention, respectively;
  • 17 is a cross-sectional view taken along the line C-C of the height adjustment button of the armrest shown in FIG.
  • FIG. 18 is a cross-sectional view showing a state in which the head restraint of the chair according to the present invention is connected between the back plate and the white supporter;
  • FIG. 19 is a perspective view showing one side by removing the white supporter in FIG.
  • Figure 3 is a perspective view showing a chair according to an embodiment of the present invention
  • Figure 4 is a rear view showing a chair according to an embodiment of the present invention
  • Figure 5 is an exploded view showing a chair according to an embodiment of the present invention Perspective view.
  • the chair 1000 is a seat plate 100 having a plurality of rollers 110 in the center to support the thighs and buttocks of the seated occupant, the amount of seated persons
  • a pair of armrests (200a, 200b) having a height adjustment button 201 to support the arm and to adjust the height
  • the back plate 300 includes a head restraint 400 supporting the head of the seated person, and a leg 500 supporting the seat plate 100 with respect to the floor.
  • the pair of armrests 200a and 200b are provided with height adjustment buttons 201a and 201b, respectively, as described later, and the height of the armrests 200a and 200b is pushed by pressing the height adjustment buttons 201a and 201b. It has a structure that can be adjusted accordingly.
  • the head restraint 400 and the backrest support 301 are fastened by a white supporter 410, and a head connection part 430 is inserted between the white supporter 410 and the backrest support 301.
  • the pedestal 400 is supported to be movable up and down. Therefore, since the height of the head restraint 400 is adjusted to suit the head position of the seated person, the head of the seated person can be comfortably supported.
  • the height adjustment structure of the head restraint 400 will be described in detail with reference to FIGS. 17 and 18.
  • the base frame 600 is installed to be movable by branching at a lower portion of the base frame 600, and has a pair of sliding rails 602 on both sides of the arm of the pair of armrests 200a and 200b.
  • 260 is slidingly coupled to have a structure that can be fixed after adjusting the coupling length (see Figure 9).
  • the back support frame 601 is bent one step is formed to protrude to the top and is inserted into the fastening portion 303 of the back plate 300 is coupled.
  • the seat plate 100 has a fixing bolt or a fixing piece between the four fastening grooves 134 (see FIGS. 6 and 7) formed in the lower housing 130 and the stud nut 603 formed on the base frame 600. Tighten and fix.
  • FIG. 6 is an exploded perspective view of a seat plate on a chair according to the present invention
  • FIG. 7 is a bottom perspective view of a seat lower housing
  • FIG. 8 is a side view showing a state in which the seat plate of FIG. 6 is assembled
  • FIG. 9 is a seat plate of FIG. 6 assembled. It is a top view which shows the state.
  • the seat plate housing 140 includes an upper housing 120 and a lower housing 130.
  • the upper housing 120 is formed in an approximately quadrangular shape to have a quadrangular space portion 122 for arranging the plurality of rollers 110 at the center thereof, and includes a plurality of first to sixth rollers 111 to 111, for example.
  • Six fitting grooves 121a to 121f for fitting 116 in order are provided.
  • the lower housing 130 has a pipe-shaped support shaft (see reference numeral 111c in FIG. 10) of the rollers 111 to 116 to correspond to the fitting grooves 121a to 121f of the upper housing 120 on the left and right sides thereof.
  • a plurality of seating grooves 133a to 133f are formed to be positioned and fixed.
  • the lower housing 130 is coupled to the lower side of the upper housing and the plurality of support shafts (111c) is seated in a position corresponding to the fitting groove of the upper housing is seated a plurality of seating
  • a curved flange 136 having grooves 133a to 133f formed therein, and a curved portion to form a space portion in which a portion of the plurality of rollers 111 to 116 is accommodated therein from an inner circumferential portion of the flange 136.
  • a bottom plate 137 extending through a plurality of reinforcing frames 138 and having a plurality of through holes 135 in communication with the bottom.
  • the lower housing 130 is transmitted to the base frame 600 through the flange 136 and the bottom plate 137 when the load of the user is transmitted through the first to sixth rollers 111 to 116 and the upper housing 120. do. Therefore, the bottom plate 137 of the lower housing 130 is connected to the bottom surface of the flange 136 to reinforce the support strength of the bottom plate 137 while a plurality of reinforcement frames for distributing the force to transfer to the bottom plate 137 It is preferred to be connected via 138.
  • the reinforcing frame 138 is disposed at intervals in front of the four sides of the bottom plate 137 to be connected to the bottom of the flange 136, one each on the left / right side, one rear, One is arranged in the rear diagonal direction.
  • a plurality of through holes 135 are disposed between the plurality of reinforcing frames 138 to allow air to flow between the plurality of rollers 111 to 116 from four sides of the lower housing 130.
  • FIG. 10 is a cross-sectional view taken along line A-A of the seat plate 100 of FIG. 9, and for convenience of description, illustrates an assembled cross section of the upper housing 120 and the first to sixth rollers 111 to 116 except for the lower housing 130.
  • the structure of the first to sixth rollers 111 to 116 will be described with reference to the partially enlarged portion of the first roller 111.
  • the first roller 111 has a pipe-like support shaft 111c having a hollow 111d, and the pipe-like support shaft 111c is a seating groove formed on both sides of the flange 136 of the lower housing 130. It has protrusions at both ends to be fixed to 133a.
  • At least one pair of oilless sleeve bearings 111e is disposed outside the pipe-shaped support shaft 111c, and a rotating shaft 111b made of synthetic resin, for example, PVC, is disposed outside the sleeve bearing 111e. This is coupled, the outer side of the PVC rotating shaft 111b is coated with a cushion member 111a made of a cushioned material, for example urethane.
  • the sleeve bearing 111e is disposed between the support shaft 111c and the rotation shaft 111b to arrange at least one pair to reduce friction when the rotation shaft 111b rotates.
  • the cushion member 111a is formed by foam molding urethane on the rotating shaft 111b.
  • the material of the cushion member in addition to a material having elasticity, for example, urethane, silicone and soft plastic may be used, but it is preferable to use urethane, and foamed urethane is used in this embodiment.
  • the material of the cushion member may use a sponge for cost reduction, and may use artificial leather as a finishing material to the outside of the sponge.
  • the rotating shaft may use various synthetic resin materials having rigidity in addition to PVC.
  • the pipe support shaft 111c is fixed to the seating groove 133a by a fixing piece (see 134 of FIG. 11), and the PVC rotating shaft 111b and the cushion member 111a are rotatable by the sleeve bearing 111e. Is installed.
  • the first to sixth rollers 111 to 116 support and support the plurality of front rollers 111 to 113 whose heights of the support shafts 111c increase toward the front.
  • the structure which includes the many back rollers 114-116 with the height of the axis 111c mutually equal is illustrated.
  • the support shaft 111c has such an arrangement structure, the user seats on the seat plate by the action of the plurality of front rollers 111 to 113 to move backward to guide the back and the waist to be in close contact with the backrest.
  • the plurality of support shafts of the first to sixth rollers 111 to 116 may increase in height toward the front or may be set to have the same height.
  • the overall smoothness is similar to the thigh curve of the seated person as shown in FIGS. 8 and 10.
  • the pressure applied to the seater's thigh and the inside of the knee is reduced, thereby increasing the seating feeling and improving the massage effect.
  • the configuration of alternately arranging the diameters of the first to sixth rollers 111 to 116 is different.
  • the interval between the rollers is narrowed, so that more ventilation holes can be arranged per unit area, and when the distance between the rollers becomes narrower, the seated person can sit and work. Even when the pressure caused by the gap between the rollers can be reduced, and rollers of different diameters are alternately arranged to further improve the massage effect of the hip and thigh leg.
  • FIG. 11 is a cross-sectional view B-B of the seat plate of FIG. 9, and FIG. 12 is a cross-sectional view D-D of the seat plate of FIG. 9.
  • the support shaft 111c of the first roller 111 is seated in the seating groove 133a of the lower housing 130, and both ends thereof are fixed by the fixing piece 134.
  • the fitting groove 121a of the upper housing 120 forms a structure in which the flow in the lateral direction is suppressed.
  • the stopper 123 extends inside the fitting groove 121a of the upper housing 120 to prevent left and right movement of the support shaft 111c, respectively.
  • a plurality of fixing holes 131 are disposed between the mounting grooves 133a of the lower housing 130 to prevent the flow of the support shafts 111c of the plurality of rollers 111 to 116.
  • the upper housing 120 and the lower housing 130 are fastened and fixed by the fixing piece 132.
  • the seat plate 100 firstly includes the first to sixth rollers 111 to 116 such that both ends of the first to sixth rollers 111 to 116 are embedded between the two sides of the upper and lower housings 120 and 130, respectively. Both ends of the support shaft 111c of the lower housing 130 in the plurality of seating grooves 133a to 133f of the lower housing 130, and the support shafts of the first to sixth rollers 111 to 116 using the fixing piece 134. Fix 111c) to the mounting grooves 133a to 133f.
  • the fitting groove 121a of the upper housing 120 is coupled by coupling the upper housing 120 to the lower housing 130. ⁇ 121f) to the support shafts 111c of the corresponding first to sixth rollers 111 to 116 and fastening the plurality of fixing pieces 132 to the plurality of fixing holes 131 of the lower housing 130. The assembly is completed.
  • the roller support structure of the present invention shown in Figs. 10 and 11 is assembled so that the cushion member (111a) and the rotating shaft (111b) rotatably through the sleeve bearing (111e) on the outer periphery of the support shaft (111c) After that, both ends of the support shafts 111c of the rollers 111 to 116 are fixed to the lower housing 130 and the upper housing 120 is coupled, so that the disassembly / assembly is very good. Therefore, there is an advantage that the manufacturing can be easily made and the maintenance is easy.
  • both ends of the support shaft 111c fixed to the lower housing 130 are covered by the upper housing 120, the support shaft fixing structure can be prevented from being exposed to the outside and only the roller portion can be exposed to have a beautiful appearance. It is possible to increase the merchandise.
  • the rotating shaft 111b having the cushion member 111a is rotatably supported by the support shaft 111c via at least one pair of sleeve bearings 111e, thereby rotating shaft 111b. Since it is coupled with the support shaft 111c through the bearing of this large contact area, the frictional resistance becomes small and durability is high.
  • the roller of the present invention uses a pipe structure having a hollow inside as the support shaft 111c, it can be manufactured at a light weight and low cost, and it supports rotation using the sleeve bearing 111e, thereby minimizing noise and wear of the roller. Can be.
  • the roller supporting structure of the present invention has an advantage in that the assembly and durability are superior to the prior art disclosed in Patent No. 768480 where the rod-shaped shaft is rotatably supported by a bearing assembled to a shaft hole formed in the side plate.
  • roller support structure shown in Figs. 10 and 11 cushioned to the seating grooves (133a ⁇ 133f) of the lower housing 130 or embedded in the sleeve bearing 111e formed by the insert molding method to the outside
  • a modified roller support structure for engaging the upper housing 120 after engaging the rotating shaft on which the member 111a is formed.
  • the deformed roller support structure is fixed to the seating grooves 133a to 133f of the lower housing 130 or by insert molding to simultaneously fix and fix a plurality of sleeve bearings during injection molding of the lower housing. It can be done easily.
  • the sleeve bearing rotatably supports the rotation shaft in both directions
  • the roller support structure shown in FIGS. 10 and 11 also has a structure in which the cushion member 111a is rotatably supported in the support shaft 111c in both directions. to be.
  • one-way clutch bearings may be fixed to the seating grooves 133a to 133f of the lower housing 130 or embedded in the lower housing 130 by an insert molding method to employ a structure to couple the rotating shaft.
  • FIG. 13 and 14 are schematic perspective and side views showing a roller support structure according to another embodiment of the present invention, respectively.
  • the roller 110a has a cushion member 111a formed on the outer circumference of the rotating shaft 111c, and a plurality of leaf springs 111f bent in the clockwise direction on the outer circumferential portion of the extension portion extending from both ends thereof. It is attached radially.
  • the flange portion 136 of the lower housing 130 is integrally formed with a coupling hole 136a into which both ends of the roller 110a are inserted.
  • the coupling hole 136a is formed larger in the center than the outer diameter of the rotating shaft 111c, and a plurality of coupling grooves 136b corresponding to the plurality of leaf springs 111f are formed in the inner circumference thereof.
  • the coupling groove 136b includes a first surface 136c extending in a curved shape from the vertical surface of the coupling hole 136a and a second surface 136d perpendicular to the vertical surface.
  • the plurality of leaf springs 111f are coupled to the plurality of coupling grooves 136b of the coupling holes 136a, thereby rotating in a clockwise direction. Is suppressed and forms a support structure in which only rotation in the counterclockwise direction is selectively possible.
  • FIG. 14 illustrates that the coupling hole 136a is formed in the lower housing 130
  • the coupling hole may be formed by a combination of the upper and lower housings.
  • the rotating shaft 111c may be formed in a rod shape instead of a pipe shape.
  • FIG. 15 is an exploded perspective view of an arm rest according to the present invention
  • FIG. 16 is a cross-sectional view of the armrest according to the present invention
  • FIG. 17 is a C-C cross-sectional view of the height adjustment button of the armrest of FIG.
  • the armrest 200a of the present invention has an arm pad assembly 270 for supporting the user's arm on the upper side, and a height adjustment button 201 therein through the button insertion hole 241.
  • the sliding cover 240 is inserted into the vertical sliding direction, and the guide rail 252 is inserted into the cover 240 and the height adjustment button 201 penetrates and is coupled to the inside of the sliding cover 240.
  • Support body 250 and the lower end of the support body 250 is coupled to the coupling groove 261 arm 260 for connecting the armrest to the sliding rail 602 (see Fig. 5) of the base frame 600 Include.
  • the arm pad assembly 270 fastens the arm pad 210 supporting the arm with the cushion material from the top, the lower plate 230 for assembling the arm pad 210, the arm pad 210 and the lower plate 230. It consists of a coupling plate 220 to.
  • the cushion material that can be used for the arm pad 210 may be a urethane, silicone, soft plastic.
  • the support body 250 is provided with a guide rail 252 is arranged a plurality of weight grooves 251 for reducing the material cost and the height adjustment button 201 is coupled to the top.
  • the guide rail 252 is a through hole in which the convex portion 252a and the concave portion 252b are repeatedly arranged so that opposite inner circumferential surfaces thereof face each other in a sine wave shape as shown in a partial enlarged view. 252 has a rail structure that can move selectively.
  • the guide rail 252 is formed in a width smaller than the length of the cutting portion 202 of the height adjustment button 201, which is formed later the guide rail 252 is formed as shown in FIG.
  • a recess 253 is provided at the rear end thereof.
  • the rail structure may move up and down.
  • the height adjustment button 201 includes a knob 208 elastically supported by the sliding cover by a spring 205, a cutting part 202, and a round rod part 203.
  • the lever 207 is shown in FIG. 17, the height adjustment button 201.
  • the height adjustment button 201 has a thread tab 204 formed at the outer peripheral end thereof, and is inserted into the convex portion 252a of the guide rail 252 and then fastened by a nut fixing cap 206 to guide the rail 252. Is constrained inside.
  • the height adjustment button 201 is elastically coupled to the button insertion hole 241 of the groove structure formed in the sliding cover 240 by a pair of springs 205 built into the back of the knob 208. .
  • the lever 207 of the height adjustment button 201 is smaller than the width of the concave portion 252b of the guide rail 252 and the cutting portion 202 and the diameter of the guide rail 252 which can move along the guide rail 252. It is provided with a round rod portion 203 that is relatively larger than the width of the convex portion 252a of the upper and lower movement along the guide rail 252.
  • the length of the cutting portion 202 of the lever 207 is set smaller than the depth of the guide rail 252.
  • Height adjustment button 201 is the seating portion is pressed to adjust the height of the armrest 200a, the cutting portion 202 shown in Figure 17 is positioned on the guide rail 252 with the spring 205 is compressed It is set and can move up and down with the sliding cover 240 and the arm pad assembly 270 along the guide rail 252.
  • the rod part 203 is positioned at the convex portion 252a of the guide rail 252, so that Up / down movement is limited.
  • the rod 203 of the height adjustment button 201 is seated on the convex portion 252a of the guide rail 252 by the elastic restoring force of the spring 205.
  • the height of the height adjustment button 201 along the guide rail 252 is no longer limited to the position of the armrest 200a is fixed.
  • the rod 203 is a recess 252b no matter where the height adjustment button 201 is placed. Avoiding the convex portion (252a) to find its own position. Therefore, in the present invention, since the rail grooves are continuously formed with each other, operation noise is hardly generated and smooth operation is made as compared with the case of the conventional discontinuous grooves.
  • the support body 250 having the guide rail 252 and the lever 207 of the height adjustment button 201 coupled to the guide rail 252 are all made of metal, so that durability is high and failure occurs. I never do that.
  • FIG. 18 is a cross-sectional view illustrating a state in which a head rest of a chair according to the present invention is connected between a back plate and a white supporter
  • FIG. 19 is a perspective view illustrating an inner side of the white supporter separated from FIG. 18.
  • the head restraint 400 extends from the head 440 supporting the head of the seated person and the head support 431 pivotally supporting the head 440 to be bent in one step. It is inserted into the coupling groove 411 between the back support 301 and the white supporter 410 and includes a head connector 430 which can adjust the height of the head 440.
  • the head connection part 430 has a head support part 431 for pivotally supporting the head 440 at a tip end thereof, and a lower end thereof is inserted into the coupling recess 411.
  • the bottom of the head connecting portion 430 forms a leaf spring 431 which is selectively coupled to the plurality of locking grooves 420b while being elastically deformed according to the vertical movement of the head connecting portion 430.
  • the white supporter 410 is coupled to the rear surface of the back plate part 300 to form a coupling recess 411 in the up and down direction on the inner side between the back plate part 300.
  • the height adjusting part 420 on the inner surface of the white supporter 410 includes a plurality of locking grooves 420b formed at intervals in the vertical direction at positions opposite to the leaf springs 431 of the head connector 430. Is installed.
  • the head connector 430 pivotally supports the head 440 to the front end and the lower end Is inserted into the coupling groove 411.
  • the leaf spring 431 is protruding elastically at the lower end of the head connection portion 430, as shown in Figure 19, the coupling groove 411 and the height adjuster (inside the white supporter 410) 420 is formed.
  • the height adjusting part 420 is formed with the protrusion 420a and the locking groove 420b repeatedly.
  • the bent coupling portion 431a of the leaf spring 430 is elastically deformed to leave the locking groove 420b to protrude. Moving upward through 420a and stopping at a desired position, the bent coupling portion 431a of the leaf spring 431 is coupled to the locking groove 420b. At this time, the bending coupling portion 431a of the leaf spring 431 is inserted into the locking groove 420b, and if no force is applied, the bending coupling portion 431a is fixed without being moved anymore, thereby adjusting the height of the head 440.
  • the height adjustment structure of the head restraint structure according to the present invention is the elastic deformation of the leaf spring 431 as the user raises or lowers the head connecting portion 430 according to their body shape, multi-stage locking groove 420b Since the sequential coupling and release can be made smoothly, it is convenient and durable.
  • the present invention provides convenience to the seated occupant as a chair with enhanced breathability and functionality, so that it can be used in various fields such as office medical, and can be mass-produced with excellent assembly productivity.

Landscapes

  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

La présente invention concerne un panneau de siège de type à cylindre ayant une structure de support à cylindre, les deux extrémités de chacun des arbres parmi une pluralité d'arbres de support de type à tubes étant fixées entre un logement supérieur et un logement inférieur du panneau de siège, et seuls les cylindres étant exposés pour permettre un assemblage facile sans causer de problèmes en termes d'aspect et de durabilité. La présente invention concerne également une chaise utilisant le panneau de siège de type à cylindre. La chaise de la présente invention comprend : un cadre de base sous lequel une pluralité de pieds sont installés, ledit panneau de siège étant monté sur le cadre de base, et les deux extrémités de chacun des arbres de support étant intégrées et fixées dans les côtés respectifs de l'espace carré formé au centre d'un logement du panneau de siège, lesdits arbres de support étant raccordés à une pluralité de cylindres, respectivement, de sorte que lesdits cylindres soient rotatifs ; une paire d'accoudoirs, chacun d'eux ayant une extrémité supportée sur les côtés gauche et droit respectifs du cadre de base et l'autre extrémité supportant les bras gauche et droit respectifs d'un utilisateur ; et une unité de panneau arrière, dont un côté est supporté à l'extrémité arrière du cadre de base et dont l'autre côté soutient le dos de l'utilisateur.
PCT/KR2010/002415 2009-04-22 2010-04-19 Panneau de siège de type à cylindre et chaise fonctionnelle l'utilisant WO2010123234A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2009-0035182 2009-04-22
KR1020090035182A KR100942429B1 (ko) 2009-04-22 2009-04-22 롤러식 좌판 및 이를 이용한 기능성 의자

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WO2010123234A2 true WO2010123234A2 (fr) 2010-10-28
WO2010123234A3 WO2010123234A3 (fr) 2011-03-31

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Cited By (1)

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CN102934919A (zh) * 2012-12-08 2013-02-20 姬志刚 一种带液晶显示承受重量的座椅

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Publication number Priority date Publication date Assignee Title
KR101152330B1 (ko) 2012-03-16 2012-06-08 양문석 기능성 의자
KR101300630B1 (ko) * 2012-08-20 2013-08-27 주식회사 한샘이펙스 의자

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KR100768480B1 (ko) * 2006-06-01 2007-10-19 박창준 자세교정, 견인치료 및 마사지 기능을 갖는 의자

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JPH07300039A (ja) * 1994-05-06 1995-11-14 Nissan Motor Co Ltd 車両用リヤシート
JPH08196383A (ja) * 1995-01-20 1996-08-06 Inoue Assoc:Kk 椅子における肘掛等の高さ調節機構

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KR100768480B1 (ko) * 2006-06-01 2007-10-19 박창준 자세교정, 견인치료 및 마사지 기능을 갖는 의자

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102934919A (zh) * 2012-12-08 2013-02-20 姬志刚 一种带液晶显示承受重量的座椅

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WO2010123234A3 (fr) 2011-03-31

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