WO2016125923A1 - Appareil de fixation de siège électrique - Google Patents

Appareil de fixation de siège électrique Download PDF

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Publication number
WO2016125923A1
WO2016125923A1 PCT/KR2015/001082 KR2015001082W WO2016125923A1 WO 2016125923 A1 WO2016125923 A1 WO 2016125923A1 KR 2015001082 W KR2015001082 W KR 2015001082W WO 2016125923 A1 WO2016125923 A1 WO 2016125923A1
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WO
WIPO (PCT)
Prior art keywords
chair
support shaft
plate member
electric chair
fixing device
Prior art date
Application number
PCT/KR2015/001082
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English (en)
Korean (ko)
Inventor
박은하
Original Assignee
(주)코젤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by (주)코젤 filed Critical (주)코젤
Priority to PCT/KR2015/001082 priority Critical patent/WO2016125923A1/fr
Publication of WO2016125923A1 publication Critical patent/WO2016125923A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats

Definitions

  • the present invention relates to an electric chair fixing device, and more particularly, it is possible to stably prevent the chair from moving randomly only by the user sitting on the chair, and to constantly fix the degree of fixing according to the weight of the user.
  • An electric chair fixing device which can be adjusted.
  • the caster is mounted on the bottom of a movable device such as a swivel chair or a hospital bed to enable easy position change of the device.
  • the caster is connected to the chair leg and the support shaft pin to change the caster's wheel movement direction by 360 degrees. It is common for this to be possible.
  • casters especially casters of the swivel chair, even if the user is seated, the caster's wheels can be freely rotated so that the movement can be made freely in any direction 360 degrees, but even if the seated person does not want the floor surface by careless movement There is a possibility that unexpected movement may occur because it is often pushed away from the.
  • a fixing device is separately installed on the caster side.
  • the fixing device of the caster has a predetermined stopper installed inside the caster installed at the lower end of the chair.
  • the stopper is manually operated.
  • the stopper is directly released by the user.
  • Korean Patent Laid-Open No. 10-2010-0116329 has the advantage of preventing the chair from being randomly moved even when the user is sitting on the movable chair, but the user sits on the chair to prevent the chair from moving. Since the handle 4 to be rotated downward in the state, there is a significant hassle, there is a problem that the inconvenience of having to use the hand.
  • the object of the present invention is provided in the center of the body and the cylindrical body with a height adjusting portion for adjusting the height of the chair seat and the wheel provided on the side of the body
  • the upper plate member and the lower plate member of the body is formed with a through hole in the central portion, the through hole side portion to form a plurality of support shafts connecting the upper plate member and the lower plate member at regular intervals
  • the height adjustment portion is The upper plate member and the lower plate member of the body penetrates up and down, and moves up and down along the support shaft, so that the height support portion is elastically supported by the coil spring, when the user sits on the seat, the height adjustment portion is lowered by the user's load Move to the floor so that the electric chair is randomly To provide a power seat retainer to prevent the copper.
  • another object of the present invention is to install a cylindrical fixing member at the bottom of the height adjustment portion, install a sliding member that moves up and down along the support shaft in the flange formed on the upper portion of the fixing member, the male screw is formed at the lower end of the support shaft And a chain gear in which a female thread corresponding to the male screw is formed is provided under the support shaft, and a coil spring is provided between the flange of the sliding member and the spring support member provided at the upper portion of the chain gear, wherein each chain gear is a chain.
  • the present invention for solving this problem
  • the electric chair consisting of a body consisting of a top plate member to cover the upper portion and a lower plate member to cover the lower portion and the height adjustment portion for penetrating the upper plate member and the lower plate member up and down and the wheels provided on the side of the body
  • the support shaft for connecting the upper plate member and the lower plate member, and moved up and down along the support shaft, characterized in that consisting of a sliding member installed on the side of the height adjustment portion.
  • the support shaft is provided with a coil spring for elastically supporting the sliding member from the bottom, the lower portion of the support shaft is characterized in that the spring supporting member for supporting the lower portion of the coil spring is provided.
  • a male screw is formed on a lower outer circumferential surface of the support shaft, and a chain gear formed with a female screw corresponding to the male screw is installed on the lower portion of the support shaft to support the spring support member from the bottom.
  • the chain gear is installed on each support shaft is characterized in that it is connected by the chain to adjust the elasticity of the spring by adjusting the height of each chain gear at a time through the chain.
  • a cylindrical fixing member is installed below the height adjusting part, a first flange is formed on the outer circumferential surface of the fixing member, and the sliding member is fixed to the flange.
  • the lower surface of the height adjustment portion is characterized in that the fixing portion is further formed.
  • the top plate of the body provided in the central body of the cylindrical body and the height adjustment unit for adjusting the height of the chair seat and the wheel provided in the side of the body, in the electric chair, the top plate of the body
  • the member and the lower plate member have a through hole formed at the center thereof, and form a plurality of support shafts connecting the upper plate member and the lower plate member at a predetermined interval to the side of the through hole, and the height adjusting part penetrates the upper plate member and the lower plate member of the body up and down.
  • the present invention provides a cylindrical fixing member at a lower end of the height adjusting unit, a sliding member moving up and down along a support shaft on a flange formed at an upper portion of the fixing member, and a male screw formed at a lower end of the supporting shaft.
  • a chain gear having a female thread corresponding to a male thread is formed at a lower portion of the support shaft, and a coil spring is provided between the flange of the sliding member and the spring support member provided at the upper portion of the chain gear, and each chain gear is connected by a chain.
  • FIG. 1 is a conceptual diagram of a conventional chair fixing device.
  • Figure 2 is a state diagram of a state of rotating the handle of the conventional chair fixing device to the bottom.
  • FIG. 3 is a perspective view of an electric chair having an electric chair fixing device according to the present invention.
  • FIG. 4 is a plan view of the main body of the electric chair having the electric chair fixing device according to the present invention.
  • FIG. 5 is a cross-sectional view taken along the line A-A of FIG.
  • FIG. 6 is a cross-sectional view taken along the line B-B in FIG. 4.
  • Figure 7 is a perspective view of the leaf spring of the electric chair is installed electric chair fixing device according to the present invention.
  • FIG. 8 is a cross-sectional view of the electric chair equipped with the electric chair fixing device according to the present invention.
  • FIG. 9 is a plan conceptual view of the electric chair is installed electric chair fixing device according to the invention.
  • FIG. 10 is an enlarged view of a portion C of FIG. 8.
  • FIG. 3 is a perspective view of the electric chair is installed electric chair fixing device according to the present invention
  • Figure 4 is a body plan view of the electric chair is installed electric chair fixing device according to the invention
  • Figure 5 is a cross-sectional view taken along line AA of FIG. 6 is a cross-sectional view taken along line BB of FIG. 4
  • FIG. 7 is a perspective view of a leaf spring of the electric chair provided with the electric chair fixing device according to the present invention
  • FIG. 8 is an electric motor mounted with the electric chair fixing device according to the present invention.
  • 9 is a cross-sectional view of the chair
  • FIG. 9 is a plan conceptual view of the electric chair on which the electric chair fixing device is installed
  • FIG. 10 is an enlarged view of part C of FIG. 8.
  • the present invention relates to an electric chair fixing device installed on the electric chair to fix the electric chair.
  • the electric chair will be described.
  • the configuration of the body 200 forms a lower part of the chair.
  • first and second limit switches 250 and 260 provided on the inner side of the body 200 and the height adjusting unit 300 installed at the center of the body 200 to control the height adjusting unit 300.
  • 2 is composed of a rotary plate 400 for controlling the operation of the switch (250,260).
  • the height adjustment unit 300 is fixed to the center of the body 200 using the fixing member 210, the upper end of the height adjustment unit 300 is protruded to the upper portion of the body 200, It is connected to the bottom of the seat of the chair.
  • the height adjustment unit 300 is provided on the inner side of the guide member 310 and the guide member 310 to form an outer side and the lower and lower members 320 and the guide member 310 to move up and down It is provided with an actuator (not shown) for controlling the vertical movement of the elevating member 320.
  • first and second limit switches 250 and 260 are provided on the inner side of the body 200 so as to be spaced apart by a predetermined interval, and the first and second limit switches 250 and 260 are electrically connected to the actuator of the height adjusting part 300.
  • the actuator is operated by the first and second limit switches 250 and 260 to control the vertical movement of the elevating member 320.
  • the elevating member 320 is moved upward by the actuator, and when the second limit switch 260 is operated, the elevating member 320 is lowered. By moving, the height of the chair can be adjusted.
  • the rotating plate 400 provided on the upper portion of the body 200 is rotatably installed around the guide member 310 of the height adjusting unit 300, the operating lever 430 on the lower surface of the rotating plate 400 ) Is provided.
  • the operation lever 430 is located between the first limit switch 250 and the second limit switch 260 to move toward the first limit switch 250 or the second limit by the rotation of the rotating plate 400. Moving toward the switch 260, the first and second limit switches 250 and 260 are activated respectively.
  • the sensing pins 252 and 262 are rotatably provided on the side portions of the first and second limit switches 250 and 260, respectively, and the user moves the rotating plate 400 in one direction to move in the direction of the first limit switch 250.
  • the operating lever installed on the lower surface of the rotating plate 400 rotates the detection pin 252 of the first limit switch 250, the first limit switch 250 is operated, so that the actuator of the height adjusting part 300
  • the elevating member 320 is moved upwards, and when the user rotates the rotating plate 400 in the opposite direction, the operating lever 430 moves in the direction of the second limit switch 260, the operating lever 430 is Since the second limit switch 260 is operated by rotating the sensing pin 262 of the second limit switch 260, the lifting member 320 is moved downward by the actuator of the height adjusting part 300. .
  • the body 200 is formed so that the top is open, the upper plate member 230 for covering the open portion is provided.
  • the upper plate member 230 is formed with an arc-shaped first guide groove 234 so that the operating lever 430 installed on the lower surface of the rotating plate 400 can be inserted into the body 200.
  • the upper plate member 230 is formed in a size larger than the size of the rotating plate 400, the ring-shaped foot seating portion 232 is formed at the edge of the user's feet, the foot of the user in a comfortable state It can be placed on the foot seat 232.
  • the rotating plate 400 is located on the upper plate member 230, the user is required to adjust the height of the chair with the foot on the foot seating portion 232, the rotary plate 400 with the heel of the foot By pressing and rotating, the height of the chair can be easily adjusted.
  • one side lower surface of the rotating plate 400 is provided with a guide rod 440 for returning the rotating plate 400 to the original position, the upper plate member 230, the guide rod 440 is the inside of the body 200
  • An arc-shaped second guide groove 236 is formed to be inserted into the.
  • a return portion 270 formed of a pair of leaf springs 272 and a spring bracket 274 fixing the ends of the leaf springs 270 is installed inside the body 200.
  • the guide rod 440 is located between the pair of leaf springs (272).
  • the guide rod 440 is rotated to one side, according to which the leaf spring 272 of the rotating direction is bent by the guide rod 440 and rotated
  • the force is dissipated, it is moved to the original position by the elastic force of the leaf spring 272, and when rotating in the other direction is returned to the original position by the leaf spring 272 located on the other side.
  • the lower end of the guide rod 440 is provided with a return bearing 442, when the guide rod 440 is moved by the rotation of the rotating plate 400, the return bearing 442 in contact with the leaf spring 272 Since the rotation, the rotation plate 400 can be more stably rotated and returned by minimizing friction with the leaf spring 272.
  • the leaf spring 272 may use one plate having good elasticity, or may be used by stacking a plurality of plates.
  • the upper portion of the body 200, the outer side of the height adjustment unit 300 is provided with a ring-shaped support member 240, the lower end of the support member 240 is an upper plate located on the upper portion of the body 200 It is supported on the upper surface of the central portion of the member 230, the guide member 310 of the height adjusting portion 300 is inserted into a through hole (not shown) formed in the central portion of the support member 240.
  • the rotary plate 400 is rotatably installed on the outer side of the support member 240, the installation groove 242 is formed on the outer side of the support member 240, the ring inside the rotary plate 400
  • the coupling member 410 of the shape is provided, the inner circumferential surface of the coupling member 410 is provided with a rotary bearing 420, the rotary bearing 420 is seated and fixed in the installation groove 242, thereby supporting the support member (
  • the rotating plate 400 is rotatably installed at 240.
  • the user puts the front portion of the foot on the foot seating member 232 of the upper plate member 230, and easily rotates the rotating plate 400 only by the rear portion of the foot, it is possible to control the elevating member 320.
  • the edge of the rotating plate 400 is further provided with a ring-shaped stepped member 450, the upper surface of the stepped member 450 is formed with a non-slip unevenness (not shown), the user only the back of the foot rotating plate When rotating the 400, it is possible to prevent the foot from slipping and to rotate the rotating plate 400 stably.
  • one side of the main body 200 is provided with a power supply unit 280 for receiving external power, the inside of the main body 200 is connected to the power supply unit 280, the charging unit for storing the power supplied from the outside ( 285).
  • the present invention is the electric chair fixing device installed in the above-described electric chair as shown in Figures 8 to 10 the configuration of the upper plate member 230 and the body 200 to cover the upper portion of the body 200 It consists of a support shaft 510 for connecting the lower plate member 290 to cover the lower portion and the sliding member 530 which is installed on the side of the height adjusting part 300 and moves up and down along the support shaft 510.
  • the upper plate member 230 and the lower plate member 290 is formed in the through hole in the center, the height adjustment unit 300 can move up and down through the through hole, the height adjustment unit 300 is the bottom In contact with the surface, it is possible to prevent the electric chair from moving arbitrarily.
  • the support shaft 510 is installed on the side of the through-hole formed in the center of the upper plate member 230 and the lower plate member 290, the height adjustment portion 300 is located between the support shaft 510 It is to move up and down along the support shaft 510.
  • a cylindrical fixing member 520 is installed below the height adjusting part 300.
  • a first flange 522 is formed on an outer circumferential surface of the fixing member 520, and the first flange 522 is formed on the outer circumferential surface of the fixing member 520.
  • the sliding member 530 is fixedly installed.
  • the sliding member 530 is formed in a cylindrical shape
  • the second flange 532 is formed on the upper end to form a vertical through hole in the first flange 522 to be inserted and fixed, the first flange 522 ) And the second flange 532 are firmly fixed by welding.
  • the sliding member 530 is supported by the support shaft 510 because the vertical length is more than a predetermined length to prevent the height adjustment unit 300 from shaking.
  • the support shaft 510 is provided with a coil spring 560, the coil spring 560 is elastically supporting the first flange 522 to which the sliding member 530 is coupled, the support shaft A lower portion of the 510 is provided with a spring support member 565 for supporting the lower portion of the coil spring 560.
  • the chair does not move arbitrarily, if the user rises from the seat, Since the coil spring 560 elastically supports the fixing member 520 and the sliding member 530 installed at the lower portion of the height adjusting part 300 from the lower side, even if a separate operation is not performed, by the elastic force of the coil spring 560. Height adjustment unit 300 is moved to the top.
  • an upper stepped portion 512 is formed on an outer circumferential surface of the support shaft 510, and the sliding member 530 is caught by the upper stepped portion 512, thereby preventing the upper portion from moving upward.
  • a male screw is formed on a lower outer circumferential surface of the support shaft 510, and a chain gear 540 having a female thread formed to correspond to the male screw is provided below the support shaft 510, wherein the chain gear 540 is provided.
  • the chain gear 540 Located in contact with the bottom of the spring support member 565, the chain gear 540 can be rotated to adjust the vertical position of the chain gear 540, the coil spring provided on the top of the spring support member 565 The elastic force of 560 can be adjusted.
  • the height adjustment unit 300 is greater than the load of the user the elastic force of the coil spring 560 Since it does not move to the lower side, by controlling the height of the chain gear 540 to adjust the elastic force appropriately.
  • each support shaft 510 may include chain gears 540 to provide elastic force of each coil spring 560.
  • the chain gear 540 is all connected to the chain 550, the chain 550 can be rotated, all the chain gear 540 can be rotated at the same time more quickly and easily the coil spring 560 The elastic force of the can be adjusted.
  • a separate door may be formed on the side of the body 200 to open the door and rotate the chain 550 or the chain gear 540 provided therein to adjust the height, and the chain ( 550 or a motor (not shown) provided with a gear (not shown) for controlling the chain gear 540 therein, by operating a switch (not shown) from the outside to easily rotate the motor to control It becomes possible.
  • the lower portion of the height adjusting part 300 is provided with a fixing part 330
  • the fixing part 330 is made of a material such as rubber, synthetic rubber, silicon with a high coefficient of friction, height adjusting part 300
  • a separate key groove 340 is formed on the side of the height adjusting part 300, the key groove 340 is inserted into a separate key (not shown) through the side of the body 200, height adjustment By allowing the part 300 to be fixed to the body 200, the electric chair fixing device of the present invention may not be operated.
  • the chain gear 540 is moved upward to maximize the elastic force of the coil spring 560 so that even if a heavy person sits on the seat, the height adjusting part 300 is lowered by the elastic force of the coil spring 560. It is also possible to prevent the movement of the electric chair height fixing device of the present invention so as not to move.
  • the present invention relates to an electric chair fixing device, and more particularly, it is possible to stably prevent the chair from moving randomly only by the user sitting on the chair, and to constantly fix the degree of fixing according to the weight of the user.
  • An electric chair fixing device which can be adjusted.

Landscapes

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

Abstract

La présente invention concerne un appareil de fixation de siège électrique et, plus spécifiquement, un appareil de fixation d'un siège électrique qui permet d'empêcher de manière stable le siège de se déplacer de façon arbitraire et également d'ajuster uniformément le degré de fixation du siège selon le poids d'un utilisateur qui utilise le siège, uniquement par une opération durant laquelle l'utilisateur s'assied sur le siège. À cet effet, un siège électrique selon l'invention comprend les éléments suivants : un corps qui comprend un élément de plaque supérieure pour recouvrir la partie supérieure et un élément de plaque inférieure pour recouvrir la partie inférieure; une partie de réglage de la hauteur prévue dans la partie centrale du corps de manière à passer verticalement à travers l'élément de plaque supérieure et l'élément de plaque inférieure; et une roue prévue sur la partie latérale du corps. Le siège électrique comprend un arbre de support qui relie l'élément de plaque supérieure et l'élément de plaque inférieure et un élément coulissant installé sur la partie latérale de la partie de réglage de hauteur pour se déplacer vers le haut et vers le bas le long de l'arbre de support.
PCT/KR2015/001082 2015-02-03 2015-02-03 Appareil de fixation de siège électrique WO2016125923A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2015/001082 WO2016125923A1 (fr) 2015-02-03 2015-02-03 Appareil de fixation de siège électrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2015/001082 WO2016125923A1 (fr) 2015-02-03 2015-02-03 Appareil de fixation de siège électrique

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WO2016125923A1 true WO2016125923A1 (fr) 2016-08-11

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PCT/KR2015/001082 WO2016125923A1 (fr) 2015-02-03 2015-02-03 Appareil de fixation de siège électrique

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WO (1) WO2016125923A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107752519A (zh) * 2017-11-02 2018-03-06 安徽唯诗杨信息科技有限公司 一种可移动座椅式缓冲机械
CN108741825A (zh) * 2018-06-22 2018-11-06 王海忠 一种可调节称重老年座椅
GB2572551A (en) * 2018-03-29 2019-10-09 Keymed Medical & Ind Equipment Ltd Brake device for a trolley

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030167597A1 (en) * 2002-03-07 2003-09-11 Po-Chuan Tsai Chair caster with an immovable function
KR200349204Y1 (ko) * 2004-02-09 2004-04-30 이영상 의자 바퀴의 제동구조
KR100608995B1 (ko) * 2005-06-29 2006-08-09 양영삼 이동바디가 구비된 회전바퀴
KR100640779B1 (ko) * 2005-06-28 2006-11-01 주식회사 한국가스스프링 이동 방지 기능을 갖는 의자용 가스실린더
US20090001793A1 (en) * 1997-10-24 2009-01-01 Knoblock Glenn A Back support for seating unit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090001793A1 (en) * 1997-10-24 2009-01-01 Knoblock Glenn A Back support for seating unit
US20030167597A1 (en) * 2002-03-07 2003-09-11 Po-Chuan Tsai Chair caster with an immovable function
KR200349204Y1 (ko) * 2004-02-09 2004-04-30 이영상 의자 바퀴의 제동구조
KR100640779B1 (ko) * 2005-06-28 2006-11-01 주식회사 한국가스스프링 이동 방지 기능을 갖는 의자용 가스실린더
KR100608995B1 (ko) * 2005-06-29 2006-08-09 양영삼 이동바디가 구비된 회전바퀴

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107752519A (zh) * 2017-11-02 2018-03-06 安徽唯诗杨信息科技有限公司 一种可移动座椅式缓冲机械
GB2572551A (en) * 2018-03-29 2019-10-09 Keymed Medical & Ind Equipment Ltd Brake device for a trolley
GB2572551B (en) * 2018-03-29 2020-06-17 Keymed Medical & Ind Equipment Ltd Ground engaging brake device for a trolley
US10960911B2 (en) 2018-03-29 2021-03-30 Keymed (Medical & Industrial Equipment) Ltd. Brake device for a trolley
CN108741825A (zh) * 2018-06-22 2018-11-06 王海忠 一种可调节称重老年座椅

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