WO2018040719A1 - Mécanisme d'éjection de taille appliqué à un lit électrique et lit électrique comportant ce dernier - Google Patents

Mécanisme d'éjection de taille appliqué à un lit électrique et lit électrique comportant ce dernier Download PDF

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Publication number
WO2018040719A1
WO2018040719A1 PCT/CN2017/091197 CN2017091197W WO2018040719A1 WO 2018040719 A1 WO2018040719 A1 WO 2018040719A1 CN 2017091197 W CN2017091197 W CN 2017091197W WO 2018040719 A1 WO2018040719 A1 WO 2018040719A1
Authority
WO
WIPO (PCT)
Prior art keywords
waist
base
ejecting mechanism
extension arm
electric bed
Prior art date
Application number
PCT/CN2017/091197
Other languages
English (en)
Chinese (zh)
Inventor
季川祥
Original Assignee
麒盛科技股份有限公司
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 麒盛科技股份有限公司 filed Critical 麒盛科技股份有限公司
Publication of WO2018040719A1 publication Critical patent/WO2018040719A1/fr
Priority to US16/288,133 priority Critical patent/US20190223608A1/en

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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
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C19/00—Bedsteads
    • A47C19/04—Extensible bedsteads, e.g. with adjustment of length, width, height
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
    • A47C20/041—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by electric motors

Definitions

  • the present invention relates to a waist ejecting mechanism applied to an electric bed and an electric bed including the lumbar ejecting mechanism.
  • the provision of a waist ejecting mechanism in the electric bed can improve the adjustment range of the electric bed, and the electric bed can better meet the needs of special people with some waist discomfort or waist injury.
  • the existing waist ejecting mechanism usually directly pushes out the waist bed plate through the driving motor; or drives the transmission member through the driving motor, and then the transmission member pushes out the waist bed plate; however, these design methods have very strong requirements on the strength of the hinge portion of the hinged driving motor. High, especially when people are lying on one side of the bed, the hinge will be biased toward the side on which the person lies, easily breaking or bending the drive end of the drive motor.
  • the existing waist ejecting mechanism is susceptible to torque and reduces the service life.
  • the existing waist ejecting mechanism when ejecting the waist deck, the height of the waist deck ejected is limited by the width of the lumbar deck and rubs against the mattress when ejected.
  • the existing waist ejecting mechanism has a large limitation in the design of the mechanism, and the position of the waist is not well close to the waist, and the mattress is easily worn.
  • the purpose of the present invention is to overcome one or more of the disadvantages that have been discovered in the background.
  • a waist ejecting mechanism for an electric bed which can uniformly disperse the pressure on the side of the bed, avoiding the partial portion of the lumbar ejecting mechanism, especially The part driven by the motor is subjected to excessive torque, thereby improving the service life, improving the design structure, making the ejection height closer to the position of the waist, and at the same time achieving a motion relationship close to straight up and down, which is more advantageous for the mattress. Protection is achieved through the following technical solutions:
  • the waist ejecting mechanism applied to the electric bed proposed by the invention comprises:
  • a base comprising a plurality of fixing portions for fixing the base to the electric bed board
  • An adjustment member including a body movably disposed in the base and rotating during movement, the body including an extension arm extending upwardly of the base,
  • a lumbar ejector rod is coupled to the extension arm of the adjustment member.
  • the structure for dispersing the pressure in the waist ejecting mechanism is further increased, thereby reducing the pressure on each structure, helping to distribute the pressure evenly throughout the lumbar ejection mechanism; the extension arm of the adjustment element
  • the waist ejecting rod is connected, so that the position adjustment of the lumbar ejector rod can be realized by the movement and rotation of the adjusting member, and the waist ejecting function is realized.
  • the waist ejector rod is connected to the extension arm, so the ejection height is no longer restricted by the waist bed plate, and the ejector height can be increased by providing a longer extension arm, so that the ejector height is closer to the waist position.
  • the waist ejecting mechanism of the present invention can also include one or more of the following features:
  • the link is hinged between one third and two thirds of the total length of the extension arm such that the waist ejecting rod is caused by the movement of the adjustment member and the pivotal movement of the link It is able to achieve a close to straight-up motion relationship, which is more conducive to the protection of the mattress.
  • the length of the link is between one third and two thirds of the total length of the extension arm such that the waist top is caused by the movement of the adjustment member and the pivotal movement of the link
  • the rod can achieve a close to straight movement relationship, which is more conducive to the protection of the mattress.
  • the extension arms are arranged in pairs to facilitate better dispensing of pressure into the adjustment element and dispersing pressure into the base by the adjustment element.
  • a link is provided in pairs, one end of each link is hinged to the base, and the other end is hinged to a corresponding one of the extension arms.
  • the body of the adjustment element further includes an ear lift for articulating the drive motor to facilitate movement of the adjustment element relative to the base by a drive motor that is disposed below the base.
  • the base includes a pair of parallel guide rails, and the two ends of the main body of the adjusting member are provided with moving parts adapted to move in the guide rails, and the moving parts are selected from rollers or bearings or slide rails, which helps To increase the flexibility of the adjustment element relative to the base movement and reduce noise.
  • the two ends of the main body of the adjusting member are further provided with a flange member, and the moving member is disposed outside the flange member to help prevent the main body of the adjusting member from coming off the parallel rail of the base.
  • the waist ejector rod further includes a sleeve adapted to fit over the periphery of the extension arm. It helps to increase the strength and reliability of the connection between the waist ejector rod and the extension arm, preventing the waist ejector rod from coming off the extension arm.
  • the present invention also provides an electric bed comprising the waist ejecting mechanism according to any of the above examples, further comprising a bed plate for fixing the lumbar ejecting mechanism, wherein the bed plate is provided with an opening to facilitate the lumbar ejection mechanism The extension arm passes through.
  • the electric bed including the waist ejecting mechanism thus designed has a longer service life and a more perfect design structure, so that the ejection height is closer to the waist position, and the movement relationship close to the straight line can be achieved, which is more advantageous for the mattress. protection of.
  • FIG. 1 is a perspective view showing a waist ejecting mechanism in accordance with an embodiment of the present invention
  • FIG. 2 is a perspective view showing the electric bed including the waist ejecting mechanism shown in Figure 1.
  • an aspect of the invention relates to a waist ejecting mechanism 1 for an electric bed comprising a base 2, an adjustment member 3, a pair of links 5, and a waist ejecting rod 4.
  • the base 2 is a rectangular frame structure made of a profile in this embodiment, although other shapes can of course be made.
  • the periphery of the base 2 includes a plurality of fixing portions 21, which are four in the embodiment.
  • the fixing portion 21 is connected to the base 2, for example, by welding.
  • the surface of the fixing portion 21 is provided with a through hole for fixing by bolts. In the bed of the electric bed.
  • the base 2 includes a pair of parallel rails 22 that are joined by two transverse beams 23 to form a rectangular frame structure.
  • the fixing portion 21 is disposed on the pair of parallel rails On the outer surface 220 of the 22, each rail is provided with two fixing portions 21, each fixing portion 21 including a first connecting portion 210 attached to the outer surface 220 of the rail and being fixed by bolts in the bed of the electric bed
  • the second connecting portion 211 has a through hole 212 formed in a surface of the second connecting portion 211.
  • the adjusting member 3 has a cylindrical body 30 having a cylindrical outer surface provided with an ear climbing 32 and a pair of extending arms 31, wherein the ear climbing 32 is disposed below the base 2, and the extending arm 31 is disposed above the base 2 .
  • the number of the extension arms 31 may be more than one pair.
  • the ear catch 32 is used to articulate the drive motor to drive the body 30 of the adjustment member 3 relative to the base 2 under the drive of the drive motor.
  • the main body 30 of the adjustment member 3 is disposed in the parallel guide rail 22 of the base 2, and is movable in the parallel guide rail by driving of a drive motor to be hinged on the ear catch 32, preferably, both ends of the main body 30 are disposed
  • the circular shape has a diameter greater than the width of the guide rail 22, whereby the main body 30 of the adjustment member 3 can be prevented from coming off the parallel guide rail 22.
  • the number of links may vary according to the number of extension arms 31, but should be the same as the number of extension arms 31, the first end of each link 5 and the base 2 hinged to the first hinge axis X, the second end opposite the first end is hinged to an extension of the corresponding extension arm 31.
  • each of the links 5 will follow the first hinge axis as the position of the extending arm 31 hinged thereto is changed.
  • X rotates and drives the extension arm 31 to rotate, while at the same time, the main body 30 of the adjustment member 3 rotates following the rotation of the extension arm 31, thus adjusting the height of the waist ejecting lever 4 in the vertical direction.
  • each link 5 is hinged between one third and two thirds of the total length of the extension arm 31 corresponding thereto, such that by the movement of the adjustment member 3 and the pivotal movement of the link 5,
  • the waist ejector rod 4 can be made to be close to the straight up and down movement relationship, which is more conducive to the protection of the mattress.
  • each link 5 is between one third and two thirds of the total length of the extension arm 31 corresponding thereto, such that the movement of the adjustment member 3 and the pivotal movement of the link 5 are achieved.
  • the waist ejecting rod 4 can achieve a movement relationship close to straight up and down, which is more conducive to the protection of the mattress.
  • the waist ejector rod 4 is connected to each of the extension arms 31.
  • the waist ejector rod 4 further includes a sleeve 41 of the same number as the extension arms 31, each sleeve sleeve 41 having a through hole at the outer periphery of one extension arm 31 and on the outer surface of the sleeve 41, through The through hole on the outer surface of the sleeve can be screwed to push the waist out The rod 4 is fastened to the extension arm 31.
  • another aspect of the present invention is also directed to an electric bed 100 including the waist ejecting mechanism 1 as described above, wherein the electric bed includes a plurality of bed plates, and a drive motor 8 for driving the lumbar ejector mechanism .
  • the waist ejecting mechanism 1 as described above is mounted on the lower surface of one of the bed plates. More specifically, the bed plate on which the waist ejecting mechanism 1 as described above is mounted is provided with an opening 101 for allowing the extending arm of the lumbar ejecting mechanism to pass therethrough, wherein the lumbar ejecting rod of the lumbar ejecting mechanism protrudes from the lower surface of the bed board.
  • the pressure can be evenly dispersed into the regular base when the waist ejecting rod is pressed by the user lying on the electric bed 100, and Dispersing the pressure by the bed attached to the base does not generate torque in the waist ejecting mechanism 1 and avoids the possibility of damage to the ear climbing of the lumbar ejector lever that is connected to the drive motor.
  • the ejection height of the waist ejecting mechanism can be adjusted to be closer to the position of the waist, and the waist ejecting rod can be made close by adjusting the length ratio of the connecting rod to the extending arm and the position of the hinge point.
  • the straight-down sports relationship is more conducive to the protection of the mattress.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Invalid Beds And Related Equipment (AREA)

Abstract

L'invention concerne un mécanisme d'éjection de taille (1) appliqué à un lit électrique (100) et un lit électrique (100) comportant ledit mécanisme (1) qui comprennent : une base (2), comportant une pluralité de parties de fixation (21) permettant de fixer la base (2) à une planche de lit du lit électrique (100) ; un élément de réglage (3), comprenant un corps (30) agencé de façon mobile dans la base (2) et tournant automatiquement pendant le déplacement, le corps (30) comprenant un bras d'extension (31) s'étendant au-dessus de la base (2) ; une tige de liaison (5), une extrémité étant articulée sur la base (2) et l'autre extrémité étant articulée sur le bras d'extension (31) ; une tige d'éjection de taille (4), reliée au bras d'extension (31) de l'élément de réglage (3). Le mécanisme d'éjection de taille (1) est capable de distribuer uniformément une pression appliquée sur toute la base (2), ce qui permet de réduire le risque qu'une structure locale soit endommagée en raison d'une pression ou d'un couple excessif. De plus, le mécanisme d'éjection de taille (1) permet également à la tige d'éjection de taille (4) d'atteindre une relation de mouvement presque droite vers le haut et vers le bas, ce qui permet de réduire le frottement sur un matelas.
PCT/CN2017/091197 2016-08-31 2017-06-30 Mécanisme d'éjection de taille appliqué à un lit électrique et lit électrique comportant ce dernier WO2018040719A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/288,133 US20190223608A1 (en) 2016-08-31 2019-02-28 Waist ejection mechanism applied to electric bed and electric bed comprising same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610775703.0 2016-08-31
CN201610775703.0A CN107772902B (zh) 2016-08-31 2016-08-31 一种应用于电动床的腰部顶出机构以及包括该腰部顶出机构的电动床

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US16/288,133 Continuation US20190223608A1 (en) 2016-08-31 2019-02-28 Waist ejection mechanism applied to electric bed and electric bed comprising same

Publications (1)

Publication Number Publication Date
WO2018040719A1 true WO2018040719A1 (fr) 2018-03-08

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PCT/CN2017/091197 WO2018040719A1 (fr) 2016-08-31 2017-06-30 Mécanisme d'éjection de taille appliqué à un lit électrique et lit électrique comportant ce dernier

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US (1) US20190223608A1 (fr)
CN (1) CN107772902B (fr)
WO (1) WO2018040719A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210259432A1 (en) * 2019-01-07 2021-08-26 Nisco Co., Ltd Lumbar support mechanism and head tilt mechanism and adjustable bed therewith
US20210393043A1 (en) * 2019-01-07 2021-12-23 Nisco Co., Ltd Lumbar support mechanism and adjustable bed therewith

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114158875A (zh) * 2022-01-12 2022-03-11 浙江康贝德智能家居有限公司 一种带可调节腰部支撑的床
TWI803397B (zh) * 2022-07-21 2023-05-21 施權航 電動床

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