CN1278642C - Riser and hoisting bed using same - Google Patents
Riser and hoisting bed using same Download PDFInfo
- Publication number
- CN1278642C CN1278642C CN 200410097821 CN200410097821A CN1278642C CN 1278642 C CN1278642 C CN 1278642C CN 200410097821 CN200410097821 CN 200410097821 CN 200410097821 A CN200410097821 A CN 200410097821A CN 1278642 C CN1278642 C CN 1278642C
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- connecting rod
- lifting
- fixed
- bed
- pedestal
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Abstract
A riser and hoisting bed using the same are provided. An arm 23b is fixed to a connection shaft 21c fixed between lower parts of a pair of links 22b, and an arm 23a is fixed to a connection shaft 25e fixed between lower parts of a pair of links 26a. A cylinder part of an actuator 23 is rotatably supported by the arm 23b, and a tip of a piston part is rotatably connected to the arm 23a. When the actuator 23 is operated and the piston part thereof is advanced/retracted, a space between the connection shaft 21c and the connection shaft 25e is fluctuated, an angle formed by the links 26a and the links 22b is changed, and a link mechanism can be driven in an extending manner or in a folding manner. A bed 35 is elevated/lowered thereby. By employing the invention, the force from an actuator can be relatively small even in the initial stage when a two-stage X-shaped frame structure is shifted from a contracted condition to the erected condition.
Description
Technical field
The present invention relates to a kind of lowering or hoisting gear of the bedroom bed, diagnosis and treatment bed, chair, desk etc. with height regulatory function and use the lifting bed of this lowering or hoisting gear.
Background technology
Have in the lifting unit of lifting bed of height regulatory function, use the Direct Action Type mechanism that drives by oil cylinder (hydraulic cylinder), by the linkage of electric motor driven driving mechanism, convergent-divergent shape etc.Lowering or hoisting gear as linkage with this convergent-divergent shape, disclosed as patent documentation 1 (Japanese Utility Model is openly opened clear 62-125531 communique in fact), have linkage with the X-shaped shape and make the lowering or hoisting gear of double-decker (below, be called double-deck X-shaped frame structure).In the prior art of in this communique, being put down in writing, by the driver that cylinder part is arranged on the pedestal, piston portion is connected with an end of the X-shaped connecting rod of lower floor, the connecting rod that this driver is connected rotates to erecting direction, change by the intersecting angle that makes the X-shaped connecting rod, the lifting platform that is arranged on the double-deck X-shaped frame structure is moved up and down.
But, above-mentioned prior art, under the state (state after lifting platform descends) that double-deck X-shaped frame structure is shunk, because it is short to the distance that applies by driver between the horizontal line of action of force from the central portion pin contact of lower floor's X-shaped framework, so lower floor's X-shaped framework is little around the moment that central rotational axis rotates, so the horizontal force conduct that is applied by driver makes oblique material can not play a role fully to the moment that erects the direction rotation.Therefore, exist such problem, promptly double-deck X type frame structure is needing big driving force from contraction state to the initial stage that erects state transitions.So, maximize as the drive source drives device.
Summary of the invention
The present invention finishes in view of the above problems, even its objective is provide a kind of in double-deck X type frame structure from contraction state to the initial stage that erects state transitions, get final product from the power of driver is also less relatively, and the lowering or hoisting gear of Miniaturizable and have the lifting bed of this lowering or hoisting gear.
Lowering or hoisting gear of the present invention is characterized in that, comprises pedestal, lifting platform and makes the lifting unit of the relative described pedestal lifting of described lifting platform, and described lifting unit has: each connecting rod of a pair of the 1st to the 4th; Make described the 1st connecting rod be rotatably supported on the described pedestal the 1st; Make described the 2nd connecting rod move and to be rotatably supported in the 1st track on the described pedestal to the pedestal length direction; The the described the 1st and the 2nd connecting rod is connected into the 2nd that can rotate mutually; The upper end of described the 1st connecting rod and the bottom of described the 3rd connecting rod are connected into the 3rd that can rotate mutually; The upper end of described the 2nd connecting rod and the bottom of described the 4th connecting rod are connected into the 4th that can rotate mutually; The the described the 3rd and the 4th connecting rod is connected into the 5th that can rotate mutually; The upper end of described the 3rd connecting rod is connected with described lifting platform rotationally the 6th; The upper end of described the 4th connecting rod can be bearing in the 2nd track on the described lifting platform movably to the lifting platform length direction; And the driver that is connected with described the 3rd connecting rod by described the 1st link supporting, piston of cylinder part, by changing the angle that described the 1st connecting rod and described the 3rd connecting rod are constituted by described driver, and make described lifting unit make lifting action and make the described relatively pedestal lifting of described lifting platform.
In this lowering or hoisting gear, preferably have be located between described the 3rd and the described pedestal, to the described the 3rd axial elastomeric element of the top application of force.
In addition, preferably, on the pitman that is fixed between described the 1st connecting rod, be fixed with from described the 1st connecting rod to the 1st outstanding handle of described the 1st rail side, on the pitman that is fixed between described the 2nd connecting rod, be fixed with from described the 2nd connecting rod to described the 6th the 2nd side-prominent handle, described driver is installed in the described the 1st and the front end of the 2nd handle.
In addition, lifting bed of the present invention has above-mentioned lowering or hoisting gear.
In lowering or hoisting gear of the present invention, because the force direction that adds that is produced by driver is not horizontal direction but incline direction, so even double-deck X type frame structure is at contraction state, also big from the central portion pin contact of the X of lower floor type framework than the situation that driver is located at horizontal direction to the distance of the position of the reinforcing of driver, even translate into the initial stage of the state of standing up from contraction state in double-deck X type frame structure, also can be smaller from the power of driver.
Description of drawings
Fig. 1 (a) and (b) be the figure of lifting bed that expression has the lowering or hoisting gear of the invention process form (a) is the top perspective view of seeing to oblique below, (b) is the stereogram of seeing obliquely upward.
Fig. 2 (a) is the front view of this lowering or hoisting gear, and Fig. 2 (b) is a side view.
Fig. 3 is the stereogram of the lifting unit of expression lowering or hoisting gear.
Fig. 4 is the stereogram that expression takes down the state behind the lifting bed outer cover.
Fig. 5 (a) and (b) are front views of the connecting rod of expression elevating mechanism.
Fig. 6 (a) to (c) is the front view of expression lowering or hoisting gear action.
The specific embodiment
Below, to example of the present invention, describe particularly with reference to accompanying drawing.Fig. 1 (a) and (b) be the figure of lifting bed that expression has the lowering or hoisting gear of the invention process form (a) is the top perspective view of seeing to oblique below, (b) is the stereogram of seeing obliquely upward.Fig. 2 (a) is the front view of this lowering or hoisting gear, and Fig. 2 (b) is a side view.Fig. 3 is the stereogram that shows the lifting unit of lowering or hoisting gear, and Fig. 4 is the stereogram that expression takes down the state behind the lifting bed outer cover.Fig. 5 (a) and (b) are front views of the connecting rod of expression elevating mechanism, and Fig. 6 (a) to (c) is the front view of expression lowering or hoisting gear action.
The lifting bed of this example comprises that pedestal 1, bed are with support 3, between pedestal 1 and bed are with support 3 and make bed be arranged on pedestal 1 and bed use lifting unit cover 4 between the support 3 with respect to the lifting unit 2 of pedestal 1 lifting with the form of encirclement lifting unit 2 with support 3 by linkage.Be fixed with the bed 35 of getting into bed on support 3 at this.
The structure of pedestal 1 is, the lower end at 4 angles of the support of being made up of 2 groups of horizontal materials 10 and stringer 11 is provided with the foot 12 that highly regulates usefulness.Between stringer 11, set up the turning cylinder 21a that can rotate relative to stringer 11, the turning cylinder 14 that rotates of stringer 11 and be supported in the track 11a that is located at stringer 11 medial surfaces and go up also the shifting axle 21b that can move along this track 11a relatively again.In addition, the control cabinet 13 that comprises power supply and control circuit is installed between stringer 11.
In lifting unit 2, the lower end is fixed on the pair of links 22b at turning cylinder 21a both ends, be fixed on the pair of links 22a at shifting axle 21b both ends with the lower end, can connect rotationally mutually by pin 22c in the central, and each connecting rod is set as X-shaped, in addition, connecting rod 26a can be connected by pin 26c in the central mutually rotationally with connecting rod 26b, and each connecting rod is set as X-shaped, the lower end of connecting rod 26a is connected in rotationally the upper end of connecting rod 22b by turning cylinder 25c, by turning cylinder 25d the lower end of connecting rod 26b is connected in the upper end of connecting rod 22a rotationally, by being designed to the X-shaped linkage of double-layer structural like this.In addition, between the upper end of connecting rod 22b, the pitman 25a that strengthens usefulness sets up and is fixed in the outside of turning cylinder 25c, and between the bottom of connecting rod 26b, the pitman 25b that strengthens usefulness sets up and be fixed in the outside of turning cylinder 25d.The upper bracket of this linkage is made of each a pair of stringer 28 and horizontal material 29, the upper end of connecting rod 26a, be connected with stringer 28 rotationally by turning cylinder 27b, be fixed with the shifting axle 27a of connecting rod 26b upper end, can be movably and be rotatably supported on the track 28a of stringer 28 medial surfaces along this track 28a.On the upper bracket that constitutes by this stringer 28 and horizontal material 29, be provided with bed support 3.Bed is with support 3, between a pair of stringer 31, set up in parallel to each other the stringer both ends horizontal material 30, stringer central authorities horizontal material 32 and 2 horizontal materials 33 between the horizontal material 30,32 and be fixed on the stringer 31.In addition, in the side of the horizontal material 29 of upper bracket, as hereinafter described, be fixed with and be used to prevent to transport cover 4 blocks that come off 50 when getting into bed bed.In addition, at the lateral surface of stringer 31, be provided with the bracing frame 34 of fixing bed 35 usefulness of getting into bed.
In the linkage that so constitutes, the shifting axle 27a that is erected at the shifting axle 21b between connecting rod 22a bottom and is erected between connecting rod 26b upper end moves along track 11a, 28a respectively, the intersecting angle of each connecting rod is changed, the bedroom bedrest is being kept under the horizontal state this bedroom bedrest is moved up and down.
On turning cylinder 14, be fixed with accessory 24b is installed, on turning cylinder 25c, also be fixed with accessory 24a is installed, install between accessory 24a, the 24b, be provided with air spring 24 at these.This air spring 24 between turning cylinder 14 and turning cylinder 25c, is given elastic force to the rightabout of both direction of closing, thus, the bed of getting into bed is unlikely to because get into bed increasing the weight of and fall rapidly suddenly on beds 35 with support 3.In addition, supportting turning cylinder 25c all the time, supporting the load of the bed 3 of getting into bed, seeking to alleviate the driving force of the vertical motion of driver 23 generations of narrating later by this air spring 24.
Between the bottom of pair of links 22b, fixed mount is provided with connecting axle 21c, is fixed with handle 23b on this connecting axle 21c.In addition, between the bottom of pair of links 26a, fixed mount is provided with connecting axle 25e, and handle 23a is fixed by welding on this connecting axle 25e.Handle 23b gives prominence to the right-hand of Fig. 5 (a) and (b) from connecting rod 22b, and handle 23a is outstanding to the top of Fig. 5 (a) and (b) from connecting rod 26a.And the cylinder part of driver 23 is supported in handle 23b rotationally, and the front end of its piston portion is connected rotationally with handle 23a.Work, its piston portion by this driver 23 are advanced and retreat, the interval change between connecting axle 21c and the connecting axle 25e, and the angle that connecting rod 26a and connecting rod 22b are constituted changes, and makes linkage uphold or fold so just can drive.Thus, drive bed 35 liftings of getting into bed.
Below, the action of the lowering or hoisting gear of this example of structure is as mentioned above described.In this linkage, air spring 24 is upward to the turning cylinder 25c application of force, so, act on connecting rod 22b all the time to the active force that erects direction, make bedroom bedrest 3 be subjected to upward the power opposite with gravity.So,, can alleviate the required driving force of driver 23 by this air spring 24.By this air spring 24, the bedrest 3 that also can prevent to get into bed descends suddenly.
Shown in Fig. 6 (a), when the position after bed 35 (the bedroom bedrests 3) of getting into bed descend makes driver 23 actions and its piston rod is advanced, the power of this direction at interval of the oriented expansion of effect between handle 23a and the handle 23b, and also act on the oriented power that makes the big direction of the angle change that constituted by connecting rod 26a and connecting rod 22b.Thus, connecting rod is stretched out, and bedroom bedrest 3 rises shown in Fig. 6 (b), (c) like that.On the contrary, when the piston rod of driver 23 retreated, the lifting position from shown in Fig. 6 (c) dropped to the lower end position shown in Fig. 6 (b), (a).
In the present embodiment, because at the handle 23b that is fixed in connecting rod 22b be fixed between the handle 23a of connecting rod 26a and be provided with driver 23, and between direct expansion connecting rod 22b and connecting rod 26a the directive effect power of distance, so, along with bedroom bedrest 3 rises, driver 23 also stands up shown in (c) like that as Fig. 6 (a).In addition, be at bedroom bedrest 3 under the situation of lower end position, also shown in Fig. 6 (a), because not being level, driver 23 is not in the state that relatively erects, so when making bedroom bedrest 3 begin to rise, from the power of driver 23 effects above comparing, promptly, since driver 23 to the approaching direction linkage active force of direction of desiring to make bedroom bedrest 3 to rise, so the driving force of driver 23 acts on linkage effectively.Thus, the driving force of driver 23 less just can, thereby can make driver 23 miniaturizations.
Particularly, in this example, because with the position of installation of driver 23 be to outstanding handle 23b of the right of Fig. 5 (a) and (b) and the handle 23a that gives prominence to the top of Fig. 5 (a) and (b) from connecting rod 26a from connecting rod 22b, so compare with the situation that driver 23 is directly installed on connecting rod 22b, 26a, driver 23 more can be installed on the linkage under the state that erects.So, the driving force of driver 23 more effectively can be used in the rising of bedroom bedrest 3.
(explanation of symbol)
1. pedestal
2. lifting unit
3. the bed support of getting into bed
4. lifting unit is with covering
10. horizontal material
11. stringer
13. control cabinet
14. the horizontal material of central portion
21a, 25c, 25d: turning cylinder
22a, 22b: connecting rod
The 22c pin
The 25a pitman
23 drivers
24 air springs
34 bracing frames
35 bedroom beds
Claims (4)
1. a lowering or hoisting gear is characterized in that, comprises pedestal, lifting platform and makes the lifting unit of the relative described pedestal lifting of described lifting platform, and described lifting unit has: each connecting rod of a pair of the 1st to the 4th; Make described the 1st connecting rod be rotatably supported on the described pedestal the 1st; Make described the 2nd connecting rod move and to be rotatably supported in the 1st track on the described pedestal to the pedestal length direction; The the described the 1st and the 2nd connecting rod is connected into the 2nd that can rotate mutually; The upper end of described the 1st connecting rod and the bottom of described the 3rd connecting rod are connected into the 3rd that can rotate mutually; The upper end of described the 2nd connecting rod and the bottom of described the 4th connecting rod are connected into the 4th that can rotate mutually; The the described the 3rd and the 4th connecting rod is connected into the 5th that can rotate mutually; The upper end of described the 3rd connecting rod is connected with described lifting platform rotationally the 6th; The upper end of described the 4th connecting rod can be bearing in the 2nd track on the described lifting platform movably to the lifting platform length direction; And the driver that is connected with described the 3rd connecting rod by described the 1st link supporting, piston of cylinder part, by changing the angle that described the 1st connecting rod and described the 3rd connecting rod are constituted by described driver, and make described lifting unit make lifting action and make the described relatively pedestal lifting of described lifting platform.
2. lowering or hoisting gear as claimed in claim 1 is characterized in that, have be located between described the 3rd and the described pedestal, to the described the 3rd axial elastomeric element of the top application of force.
3. lowering or hoisting gear as claimed in claim 1 or 2, it is characterized in that, on the pitman that is fixed between described the 1st connecting rod, be fixed with from described the 1st connecting rod to the 1st outstanding handle of described the 1st rail side, on the pitman that is fixed between described the 2nd connecting rod, be fixed with from described the 2nd connecting rod to described the 6th the 2nd side-prominent handle, described driver is installed in the described the 1st and the front end of the 2nd handle.
4. a lifting bed is characterized in that, has as each described lowering or hoisting gear in the claim 1 to 3.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003411070A JP2005170572A (en) | 2003-12-09 | 2003-12-09 | Elevating/lowering device and elevating/lowering bed using the same |
| JP2003411070 | 2003-12-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1626005A CN1626005A (en) | 2005-06-15 |
| CN1278642C true CN1278642C (en) | 2006-10-11 |
Family
ID=34731927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410097821 Expired - Fee Related CN1278642C (en) | 2003-12-09 | 2004-11-25 | Riser and hoisting bed using same |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2005170572A (en) |
| CN (1) | CN1278642C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353128B (en) * | 2008-08-21 | 2013-01-02 | 杭州金叶无障碍设备制造有限公司 | Barrier-free escalator and elevating method |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101433410B (en) * | 2007-11-13 | 2011-06-01 | 八乐梦医用床有限公司 | Mechanism for retaining folding side cross bar |
| CN102219162B (en) * | 2010-04-14 | 2015-08-12 | 科沃斯机器人有限公司 | Air processor |
| CN102221258A (en) * | 2010-04-14 | 2011-10-19 | 泰怡凯电器(苏州)有限公司 | Movable type air treatment device |
| CN101934756A (en) * | 2010-07-14 | 2011-01-05 | 重庆迪马工业有限责任公司 | Scissor type motor-caravan lifting bed |
| CN101978939B (en) * | 2010-11-18 | 2013-04-24 | 杭州顿力医疗器械股份有限公司 | Medical electric folding nursing bed |
| CN102050405B (en) * | 2011-01-18 | 2012-11-28 | 中国人民解放军95989部队 | Scissor lifting device |
| CN102389354B (en) * | 2011-09-09 | 2013-01-23 | 宁波康麦隆医疗器械有限公司 | Lifting sickbed |
| JP2013075606A (en) * | 2011-09-30 | 2013-04-25 | Atex Co Ltd | Platform of movable carriage |
| CN102824055A (en) * | 2012-09-10 | 2012-12-19 | 无锡商业职业技术学院 | Multifunctional lifting bed |
| CN103126378B (en) * | 2013-03-13 | 2015-10-28 | 苏州市职业大学 | A kind of Multifunctional adjustable bed |
| CN103565594B (en) * | 2013-10-29 | 2016-03-02 | 合肥工业大学 | A kind of wheelchair multi link elevating mechanism |
| KR200475591Y1 (en) * | 2014-03-31 | 2014-12-12 | 장경원 | complex exercise equipment for pilates |
| CN104687746A (en) * | 2015-02-06 | 2015-06-10 | 宁波高新区零零七工业设计有限公司 | Multifunctional mahjong table |
| CN107865746A (en) * | 2017-12-20 | 2018-04-03 | 珠海智星荟科技服务有限公司 | A kind of physiotherapy couch easy to remove |
| CN107981605A (en) * | 2017-12-27 | 2018-05-04 | 环美（天津）医疗器械有限公司 | A kind of intelligence intelligence sleeps household bed |
| IT201800007156A1 (en) * | 2018-07-13 | 2020-01-13 | BENCH FOR PIANO | |
| CN109199596B (en) * | 2018-11-01 | 2020-11-27 | 温州医科大学附属第一医院 | Medical cart |
| CN109875307B (en) * | 2018-11-16 | 2021-12-31 | 陈庆芳 | Lifting bedstead |
| CN110237609B (en) * | 2019-07-16 | 2024-03-08 | 河北优净环保设备有限公司 | High-efficient filter supply-air outlet in experimental animal room |
| CN110478139B (en) * | 2019-08-07 | 2024-07-30 | 温州市中心医院 | Patient safety conveying bed |
-
2003
- 2003-12-09 JP JP2003411070A patent/JP2005170572A/en active Pending
-
2004
- 2004-11-25 CN CN 200410097821 patent/CN1278642C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101353128B (en) * | 2008-08-21 | 2013-01-02 | 杭州金叶无障碍设备制造有限公司 | Barrier-free escalator and elevating method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005170572A (en) | 2005-06-30 |
| CN1626005A (en) | 2005-06-15 |
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Granted publication date: 20061011 Termination date: 20111125 |