CN103393308B - Remote control intelligent electric lift bed - Google Patents

Remote control intelligent electric lift bed Download PDF

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Publication number
CN103393308B
CN103393308B CN201310349507.3A CN201310349507A CN103393308B CN 103393308 B CN103393308 B CN 103393308B CN 201310349507 A CN201310349507 A CN 201310349507A CN 103393308 B CN103393308 B CN 103393308B
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China
Prior art keywords
foot
head
plank
upper ledge
holder
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CN201310349507.3A
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CN103393308A (en
Inventor
李廷勇
孙俊科
刘鹏
李婧晨
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QINGDAO EASYTOUSE ELECTRONICS CO Ltd
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QINGDAO EASYTOUSE ELECTRONICS CO Ltd
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Abstract

The invention belongs to the technical field of automatic adjustment of beds for domestic use, and relates to a remote control intelligent electric lift bed. Bed legs are arranged at the lower end of a bottom frame; pulleys are produced on the frame; pulleys are connected by a guide rail; upper frame fixing bracket components are produced at two ends of the guide rail; a head motor and a foot motor are arranged inside a cavity of the bottom frame and the upper frame fixing bracket components; one end of the head motor is connected with a head bracket component; the head bracket component is connected with the upper frame fixing bracket components; the other end of the head motor is connected with the upper frame fixing bracket components; one end of the foot motor is connected with a foot bracket component; the foot bracket component is connected with the upper frame fixing bracket components; the other end of the foot motor is connected with the upper frame fixing bracket components; one end of a front connecting rod is connected with the head bracket component; the other end of the front connecting rod is connected with the bottom frame; one end of a rear connecting rod is connected with a fourth wood plate; the other end of the rear connecting rod is connected with the bottom frame. The remote control intelligent electric lift bed is simple in structure, reliable in principle, high in support strength, simple and convenient in control method, low in preparation cost and friendly to the environment.

Description

A kind of remote control intelligent electric lift bed
Technical field:
The invention belongs to beds for domestic use automatic adjustment technology field, relate to a kind of beddo, particularly a kind of remote control intelligent electric lift bed that utilize controller to realize different parts lifting.
Background technology:
At present, along with the develop rapidly of China's economy and the progressively raising of living standards of the people, people require also more and more higher to the comfort level of bed, no matter be in household place or therapeutic massage place, or in the place such as hospital or beauty parlor, bed not only portable, light and handy, attractive in appearance as necessity, and want can easy of rise to meet the different demands of people.In prior art, a large amount of Height-adjustable applies in real life, but be all adopt the mechanical device such as contraction pole or lifting lever to carry out elevating control, and the lifting of bed or be integral elevating, it is only fore-end liftable, folding, such as have Chinese Patent Application No. Height-adjustable disclosed in 2010106108789, its function singleness, only can realize the adjustable lifting of integral bed; Chinese Patent Application No. for the Height-adjustable disclosed in 201220702574X is by two cover jacking systems control elevating functions, but only can realize the lifting of a fore-end; Chinese Patent Application No. is that 2012100748634 and 2012207431531 disclosed one are electric up-down bed, its structure is comparatively complicated, realized the front-end and back-end lifting of bed by the first lift drive mechanism and the second lift drive mechanism, can not realize adjusting according to actual needs the head of bed, middle part, foot's differing heights to reach the radian meeting human comfort; Therefore seek to design a kind of remote control intelligent electric lift bed, matched by two motors and different connecting axles, utilize remote control system according to the adjustable height of the different parts of the actual demand Based Intelligent Control bed of people, there is good economic benefit and social value.
Summary of the invention:
The object of the invention is to the shortcoming overcoming prior art existence, seek design and a kind of remote control intelligent electric lift bed is provided, coordinate the segmented liftable realizing bed to regulate by two motors and remote control system.
To achieve these goals, the electric up-down bed agent structure that the present invention relates to comprises the first plank, second plank, 3rd plank, 4th plank, rear connecting rod, front rod, head motor, foot's motor, cabinet base, compound hinges, surrounding edge, sponge, bed board sponge, pulley, holder,head turning cylinder, foot stand turning cylinder, foot's plank turning cylinder, head motor connecting axle, foot's motor connecting axle, first connecting axle, second connecting axle, 3rd connecting axle, first axle center, second axle center, holder,head assembly, upper ledge m, foot stand assembly, underframe, remote control system, guide rail, corner, the lower end place of the underframe of rectangular frame structure is fixedly shaped with column cabinet base wide at the top and narrow at the bottom respectively, the framework of the right and left of underframe is fixed and is insertedly shaped with pulley, guide rail is had to be connected between pulley, the two ends place of guide rail fixes welding and is shaped with upper ledge m, and upper ledge m can be slided on the pulley of underframe by guide rail, head motor and foot's motor is installed with in cavity between underframe and upper ledge m, one end of head motor is connected with holder,head assembly rotary type by head motor connecting axle, holder,head assembly is connected by holder,head turning cylinder rotary type with upper ledge m, the second axle center that the other end of head motor is fixedly shaped with by upper ledge m is connected with upper ledge m rotary type, holder,head turning cylinder, head motor connecting axle and three, the second axle center tie point composition triangle, to ensure stability and the fastness of the head lifting of bed, one end of foot's motor is connected with foot stand assembly rotary type by foot's motor connecting axle, foot stand assembly is connected by foot stand turning cylinder rotary type with upper ledge m, the other end of foot's motor is connected with upper ledge m rotary type by the first axle center that upper ledge m is fixedly shaped with, foot stand turning cylinder, foot's motor connecting axle and three, the first axle center tie point composition triangle, to ensure stability and the fastness of foot's lifting of bed, one end of front rod is connected with holder,head assembly by the first connecting axle, and the other end is connected with underframe by the second connecting axle, one end of rear connecting rod is connected with the 4th plank rotary type by the 3rd connecting axle, and the other end is connected with underframe extending type by compound hinges, first plank is fixedly pasted onto the horizontal direction upper surface of holder,head assembly, second plank is fixedly pasted onto the horizontal direction upper surface of upper ledge m, 3rd plank is fixedly pasted onto the horizontal direction upper surface of foot stand assembly, distinguish engagement type docking between first plank and the second plank and between the second plank and the 3rd plank, the 3rd plank is connected with the 4th plank rotary type by foot's plank turning cylinder, the surrounding framework external seal of underframe is surrounded by the surrounding edge of expanded polyethylene foam EPE matter, and the equal sealed packet shell type of upper surface of the first plank, the second plank, the 3rd plank and the 4th plank is shaped with bed board sponge, and bed board sponge upper surface is coated with one deck sponge to increase the comfort level of bed, on the left side framework that the remote control system including power supply adaptor and controller is fixedly embedded in underframe or the right framework, by the remote pilot of head motor and foot's motor to realize the intellectuality lifting of the different parts of bed.
The agent structure of the holder,head assembly that the present invention relates to comprises holder,head bend pipe, holder,head transverse tube, right Special-shaped sheet, left Special-shaped sheet, bearing diagonal and holder,head base, holder,head bend pipe and holder,head transverse tube form arc, with effective dispersion of realizable force, right Special-shaped sheet, left Special-shaped sheet, bearing diagonal and holder,head base form a tripod jointly, realize transmission and the dispersion of thrust, the circular hole distance of shaft centers of right Special-shaped sheet and left Special-shaped sheet, between the 50mm-200mm of bottom, realizes effective transmission of thrust; The agent structure of upper ledge m comprises right guide rail, left rail, brace, upper ledge transverse tube and support column, upper ledge m and right guide rail and the integrally welded formula of left rail, and increase arranges two upper ledge transverse tubes, upper ledge transverse tube is linked together by the gap of support column and right guide rail and left rail, to strengthen the intensity of upper ledge m, strengthen the intensity of integral bed, upper ledge m entirety adopts well type structured design anyhow, to strengthen firmness simultaneously; The agent structure of foot stand assembly comprises foot stand bend pipe, foot stand transverse tube, foot's bearing diagonal, tiltedly reinforced pipe and base tube, foot stand bend pipe and foot stand transverse tube form arc, with effective dispersion of realizable force, foot's bearing diagonal, tiltedly reinforced pipe and base tube form a tripod jointly, realize transmission and the dispersion of thrust, the circular hole distance of shaft centers of foot's bearing diagonal, between the 50mm-200mm of bottom, realizes effective transmission of thrust; The agent structure of underframe comprises lower frame transverse tube, lower frame side base tube, pulley, screw, pad, runner, pulley pin and pulley stator, lower frame transverse tube and lower frame side base tube are welded into rectangular frame, to strengthen stability force and support force, pulley comprises screw, pad, runner, pulley pin and pulley stator, runner is fixed on pulley pin by screw and pad, to ensure freely rotating and can not departing from of pulley, pulley guide is connected in pulley stator, and pulley stator is fixedly mounted on the base tube of lower frame side.
The present invention compared with prior art, realize the head of bed and the rising of foot or the control that declines by remote control system control head motor and foot's motor, upper ledge m can relative motion by the pulley on guide rail and underframe, to realize contraction when bed different parts rises or declines and elongation, the foot position that foot stand assembly can realize bed is elevated to meet human thigh and the bending radian of shank; Its structure is simple, and principle is reliable, and support strength is high, and control method is easy, and preparation cost is low, environmental friendliness.
Accompanying drawing illustrates:
Fig. 1 is agent structure schematic side view of the present invention.
The holder,head modular construction principle schematic that Fig. 2 the present invention relates to.
The upper ledge m structural principle schematic diagram that Fig. 3 the present invention relates to.
The foot stand modular construction principle schematic that Fig. 4 the present invention relates to.
The base frame construction principle schematic that Fig. 5 the present invention relates to.
The pulley structure principle enlarged drawing that Fig. 6 the present invention relates to.
Detailed description of the invention:
By embodiment, further description is made to the present invention below in conjunction with accompanying drawing.
Embodiment:
The electric up-down bed agent structure that the present embodiment relates to comprises the first plank 1, second plank 2, 3rd plank 3, 4th plank 4, rear connecting rod 5, front rod 6, head motor 7, foot's motor 8, cabinet base 9, compound hinges 10, surrounding edge 11, sponge 12, bed board sponge 13, pulley 14, holder,head turning cylinder 15, foot stand turning cylinder 16, foot's plank turning cylinder 17, head motor connecting axle 18, foot's motor connecting axle 19, first connecting axle 20, second connecting axle 21, 3rd connecting axle 22, first axle center 23, second axle center 24, holder,head assembly 25, upper ledge m 26, foot stand assembly 27, underframe 28, remote control system 29, guide rail 30, corner, the lower end place of the underframe 28 of rectangular frame structure is fixedly shaped with column cabinet base 9 wide at the top and narrow at the bottom respectively, the framework of the right and left of underframe 28 is fixed and is insertedly shaped with pulley 14, guide rail 30 is had to be connected between pulley 14, the two ends place of guide rail 30 fixes welding and is shaped with upper ledge m 26, and upper ledge m 26 can be slided on the pulley 14 of underframe 28 by guide rail 30, head motor 7 and foot's motor 8 is installed with in cavity between underframe 28 and upper ledge m 26, one end of head motor 7 is connected with holder,head assembly 25 rotary type by head motor connecting axle 18, holder,head assembly 25 is connected by holder,head turning cylinder 15 rotary type with upper ledge m 26, the second axle center 24 that the other end of head motor 7 is fixedly shaped with by upper ledge m 26 is connected with upper ledge m 26 rotary type, holder,head turning cylinder 15, head motor connecting axle 18 and 24 3, the second axle center tie point composition triangle, to ensure stability and the fastness of the head lifting of bed, one end of foot's motor 8 is connected with foot stand assembly 27 rotary type by foot's motor connecting axle 19, foot stand assembly 27 is connected by foot stand turning cylinder 16 rotary type with upper ledge m 26, the other end of foot's motor 8 is connected with upper ledge m 26 rotary type by the first axle center 23 that upper ledge m 26 is fixedly shaped with, foot stand turning cylinder 16, foot's motor connecting axle 19 and 23 3, the first axle center tie point composition triangle, to ensure stability and the fastness of foot's lifting of bed, one end of front rod 6 is connected with holder,head assembly 25 by the first connecting axle 20, and the other end is connected with underframe 28 by the second connecting axle 21, one end of rear connecting rod 5 is connected with the 4th plank 4 rotary type by the 3rd connecting axle 22, and the other end is connected with underframe 28 extending type by compound hinges 10, first plank 1 is fixedly pasted onto the horizontal direction upper surface of holder,head assembly 25, second plank 2 is fixedly pasted onto the horizontal direction upper surface of upper ledge m 26,3rd plank 3 is fixedly pasted onto the horizontal direction upper surface of foot stand assembly 27, distinguish engagement type docking between first plank 1 and the second plank 2 and between the second plank 2 and the 3rd plank 3, the 3rd plank 3 is connected with the 4th plank 4 rotary type by foot's plank turning cylinder 17, the surrounding framework external seal of underframe 28 is surrounded by the surrounding edge 11 of expanded polyethylene foam EPE matter, the equal sealed packet shell type of upper surface of the first plank 1, second plank 2, the 3rd plank 3 and the 4th plank 4 is shaped with bed board sponge 13, and bed board sponge 13 upper surface is coated with one deck sponge 12 to increase the comfort level of bed, on the left side framework that the remote control system 29 including power supply adaptor and controller is fixedly embedded in underframe 28 or the right framework, by the remote pilot of head motor 7 and foot's motor 8 to realize the intellectuality lifting of the different parts of bed.
The agent structure of the holder,head assembly 25 that the present embodiment relates to comprises holder,head bend pipe 31, holder,head transverse tube 32, right Special-shaped sheet 33, left Special-shaped sheet 34, bearing diagonal 35 and holder,head base 36, holder,head bend pipe 31 and holder,head transverse tube 32 form arc, with effective dispersion of realizable force, right Special-shaped sheet 33, left Special-shaped sheet 34, bearing diagonal 35 and holder,head base 36 be a composition tripod jointly, realize transmission and the dispersion of thrust, the circular hole distance of shaft centers of right Special-shaped sheet 33 and left Special-shaped sheet 34, between the 50mm-200mm of bottom, realizes effective transmission of thrust, the agent structure of upper ledge m 26 comprises right guide rail 37, left rail 38, brace 39, upper ledge transverse tube 40 and support column 41, upper ledge m 26 and right guide rail 37 and the integrally welded formula of left rail 38, and increase arranges two upper ledge transverse tubes 40, upper ledge transverse tube 40 is linked together by the gap of support column 41 and right guide rail 37 and left rail 38, to strengthen the intensity of upper ledge m 26, strengthen the intensity of integral bed simultaneously, upper ledge m 26 entirety adopts well type structured design anyhow, to strengthen firmness, the agent structure of foot stand assembly 27 comprises foot stand bend pipe 42, foot stand transverse tube 43, foot's bearing diagonal 44, tiltedly reinforced pipe 45 and base tube 46, foot stand bend pipe 42 and foot stand transverse tube 43 form arc, with effective dispersion of realizable force, foot's bearing diagonal 44, tiltedly reinforced pipe 45 and base tube 46 be a composition tripod jointly, realize transmission and the dispersion of thrust, the circular hole distance of shaft centers of foot's bearing diagonal 44, between the 50mm-200mm of bottom, realizes effective transmission of thrust, the agent structure of underframe 28 comprises lower frame transverse tube 47, lower frame side base tube 48, pulley 14, screw 49, pad 50, runner 51, pulley pin 52 and pulley stator 53, lower frame transverse tube 47 and lower frame side base tube 48 are welded into rectangular frame, to strengthen stability force and support force, pulley 14 comprises screw 49, pad 50, runner 51, pulley pin 52 and pulley stator 53, runner 51 is fixed on pulley pin 52 by screw 49 and pad 50, to ensure freely rotating and can not departing from of pulley 14, pulley pin 52 is socketed in pulley stator 53, pulley stator 53 is fixedly mounted on lower frame side base tube 48.
The concrete grammar that the present embodiment realizes the intelligent elevated bed of distance type comprises following five processing steps:
(1) power supply adaptor in remote control system 29 is connected, the AC110V-220V supply voltage of input to be changed into after DC24V voltage in access controller, controller is electrically connected with the interface of head motor 7 and foot's motor 8 respectively, by the operation of the remote controller of peripheral hardware, control head motor 7 and foot's motor 8 lasting rising or decline respectively by remote control system 29, meet the requirements of radian;
(2) when head rises, remote control system 29 controls head motor 7 and promotes head bracket component 25 by head motor connecting axle 18 and rotate around holder,head turning cylinder 15, realize holder,head assembly 25 to promote within the scope of 0-90 °, and drive front rod 6 to pull the first plank 1 to rise by the first connecting axle 20, pulley 14 relative motion that the guide rail 30 simultaneously on upper ledge m 26 and underframe 28 are assembled and drive upper ledge m 26 to move toward head;
(3) when foot rises, remote control system 29 control foot motor 8 promotes foot stand assembly 27 by foot's motor connecting axle 19 and rotates around foot stand turning cylinder 16, realize foot stand assembly 27 to promote within the scope of 0-90 °, rise to drive the 3rd plank 3,3rd plank 3 forms four lever linkage mechanisms by foot's plank turning cylinder 17 and rear connecting rod 5 and up swings, and the foot realizing bed rises to the radian of demand;
(4) when head declines, remote control system 29 controls head motor 7 and promotes head bracket component 25 by head motor connecting axle 18 and rotate around holder,head turning cylinder 15, realize holder,head assembly 25 to decline within the scope of 0-90 °, and drive front rod 6 to pull the first plank 1 to decline by the first connecting axle 20, pulley 14 relative motion that the guide rail 30 simultaneously on upper ledge m 26 and underframe 28 are assembled and drive upper ledge m 26 to move toward foot;
(5) when foot declines, remote control system 29 control foot motor 8 promotes foot stand assembly 27 by foot's motor connecting axle 19 and rotates around foot stand turning cylinder 16, realize foot stand assembly 27 to decline within the scope of 0-90 °, decline to drive the 3rd plank 3,3rd plank 3 forms four lever linkage mechanisms by foot's plank turning cylinder 17 and rear connecting rod 5 and toward lower swing, the foot realizing bed drops to the radian of demand.

Claims (5)

1. a remote control intelligent electric lift bed, it is characterized in that agent structure comprises the first plank, second plank, 3rd plank, 4th plank, rear connecting rod, front rod, head motor, foot's motor, cabinet base, compound hinges, surrounding edge, sponge, bed board sponge, pulley, holder,head turning cylinder, foot stand turning cylinder, foot's plank turning cylinder, head motor connecting axle, foot's motor connecting axle, first connecting axle, second connecting axle, 3rd connecting axle, first axle center, second axle center, holder,head assembly, upper ledge m, foot stand assembly, underframe, remote control system, guide rail, corner, the lower end place of the underframe of rectangular frame structure is fixed with column cabinet base wide at the top and narrow at the bottom respectively, the framework of the right and left of underframe is fixedly inlaid with pulley, guide rail is had to be connected between pulley, the two ends place of guide rail is fixedly welded with upper ledge m, and upper ledge m can be slided on the pulley of underframe by guide rail, head motor and foot's motor is installed with in cavity between underframe and upper ledge m, one end of head motor is connected with holder,head assembly rotary type by head motor connecting axle, holder,head assembly is connected by holder,head turning cylinder rotary type with upper ledge m, the other end of head motor is connected with upper ledge m rotary type by the second axle center that upper ledge m is fixing, holder,head turning cylinder, head motor connecting axle and three, the second axle center tie point composition triangle, to ensure stability and the fastness of the head lifting of bed, one end of foot's motor is connected with foot stand assembly rotary type by foot's motor connecting axle, foot stand assembly is connected by foot stand turning cylinder rotary type with upper ledge m, the other end of foot's motor is connected with upper ledge m rotary type by the first axle center fixing on upper ledge m, foot stand turning cylinder, foot's motor connecting axle and three, the first axle center tie point composition triangle, to ensure stability and the fastness of foot's lifting of bed, one end of front rod is connected with holder,head assembly by the first connecting axle, and the other end is connected with underframe by the second connecting axle, one end of rear connecting rod is connected with the 4th plank rotary type by the 3rd connecting axle, and the other end is connected with underframe extending type by compound hinges, first plank is fixedly pasted onto the horizontal direction upper surface of holder,head assembly, second plank is fixedly pasted onto the horizontal direction upper surface of upper ledge m, 3rd plank is fixedly pasted onto the horizontal direction upper surface of foot stand assembly, distinguish engagement type docking between first plank and the second plank and between the second plank and the 3rd plank, the 3rd plank is connected with the 4th plank rotary type by foot's plank turning cylinder, the surrounding framework external seal of underframe is surrounded by the surrounding edge of expanded polyethylene foam EPE matter, and the upper surface of the first plank, the second plank, the 3rd plank and the 4th plank all seals and is sheathed with bed board sponge, and bed board sponge upper surface is coated with one deck sponge to increase the comfort level of bed, on the left side framework that the remote control system including power supply adaptor and controller is fixedly embedded in underframe or the right framework, by the remote pilot of head motor and foot's motor to realize the intellectuality lifting of the different parts of bed.
2. remote control intelligent electric lift bed according to claim 1, it is characterized in that the agent structure of holder,head assembly comprises holder,head bend pipe, holder,head transverse tube, right Special-shaped sheet, left Special-shaped sheet, bearing diagonal and holder,head base, holder,head bend pipe and holder,head transverse tube form arc, with effective dispersion of realizable force, right Special-shaped sheet, left Special-shaped sheet, bearing diagonal and holder,head base form a tripod jointly, realize transmission and the dispersion of thrust, the circular hole distance of shaft centers of right Special-shaped sheet and left Special-shaped sheet is between the 50mm-200mm of bottom, realize effective transmission of thrust.
3. remote control intelligent electric lift bed according to claim 1, it is characterized in that the agent structure of upper ledge m comprises right guide rail, left rail, brace, upper ledge transverse tube and support column, upper ledge m and right guide rail and the integrally welded formula of left rail, and increase arranges two upper ledge transverse tubes, upper ledge transverse tube is linked together by the gap of support column and right guide rail and left rail, to strengthen the intensity of upper ledge m, strengthen the intensity of integral bed simultaneously, upper ledge m entirety adopts well type structured design anyhow, to strengthen firmness.
4. remote control intelligent electric lift bed according to claim 1, it is characterized in that the agent structure of foot stand assembly comprises foot stand bend pipe, foot stand transverse tube, foot's bearing diagonal, tiltedly reinforced pipe and base tube, foot stand bend pipe and foot stand transverse tube form arc, with effective dispersion of realizable force, foot's bearing diagonal, tiltedly reinforced pipe and base tube form a tripod jointly, realize transmission and the dispersion of thrust, the circular hole distance of shaft centers of foot's bearing diagonal, between the 50mm-200mm of bottom, realizes effective transmission of thrust.
5. remote control intelligent electric lift bed according to claim 1, it is characterized in that the agent structure of underframe comprises lower frame transverse tube, lower frame side base tube, pulley, screw, pad, runner, pulley pin and pulley stator, lower frame transverse tube and lower frame side base tube are welded into rectangular frame, to strengthen stability force and support force, pulley comprises screw, pad, runner, pulley pin and pulley stator, runner is fixed on pulley pin by screw and pad, to ensure freely rotating and can not departing from of pulley, pulley guide is connected in pulley stator, pulley stator is fixedly mounted on the base tube of lower frame side.
CN201310349507.3A 2013-08-12 2013-08-12 Remote control intelligent electric lift bed Active CN103393308B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105996567B (en) * 2016-02-04 2019-03-15 青岛易特优电子有限公司 A kind of beddo leg crane
CN105595670A (en) * 2016-02-04 2016-05-25 嘉兴佰世电动床有限公司 Upper framework of bed body of electric bed
CN110025160A (en) * 2018-12-07 2019-07-19 施权航 Folding electric bed
CN113397304A (en) * 2021-08-09 2021-09-17 衡阳玖伍堂电子商务有限公司 Workstation is used in design of multi-functional adjustable culture intention

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Publication number Priority date Publication date Assignee Title
CN201104663Y (en) * 2007-07-20 2008-08-27 佛山市顺德区欧比克家具有限公司 Frame of lying bed
CN201438908U (en) * 2009-06-12 2010-04-21 富堡工业股份有限公司 Improved structure of electric bed with adjustable vertical lifting and falling
CN203483143U (en) * 2013-08-12 2014-03-19 青岛易特优电子有限公司 Remotely-controlled intelligent electric lifting bed

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201104663Y (en) * 2007-07-20 2008-08-27 佛山市顺德区欧比克家具有限公司 Frame of lying bed
CN201438908U (en) * 2009-06-12 2010-04-21 富堡工业股份有限公司 Improved structure of electric bed with adjustable vertical lifting and falling
CN203483143U (en) * 2013-08-12 2014-03-19 青岛易特优电子有限公司 Remotely-controlled intelligent electric lifting bed

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