CN105310844A - Bed surface vertical lifting mechanism and bed with bed surface vertical lifting function - Google Patents
Bed surface vertical lifting mechanism and bed with bed surface vertical lifting function Download PDFInfo
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- CN105310844A CN105310844A CN201410226176.9A CN201410226176A CN105310844A CN 105310844 A CN105310844 A CN 105310844A CN 201410226176 A CN201410226176 A CN 201410226176A CN 105310844 A CN105310844 A CN 105310844A
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Abstract
The invention provides a bed surface vertical lifting mechanism. The bed surface vertical lifting mechanism comprises a first connecting rod, a second connecting rod, a first driving part, a third connecting rod, a fourth connecting rod and a second driving part. A first endpoint of the first connecting rod is hinged to a first sliding block of a bed surface, and a second endpoint of the first connecting rod is hinged to a first hinging point on a bed base; a first endpoint of the second connecting rod is hinged to a first hinging point on the bed surface, and a second endpoint of the second connecting rod is hinged to a first middle joint of the first connecting rod; the first driving part is coupled to the first connecting rod; a second endpoint of the third connecting rod is hinged to a second hinging point on the bed base; a first endpoint of the fourth connecting rod is hinged to a second hinging point of the bed surface, and a second endpoint of the fourth connecting rod is hinged to a first endpoint of the third connecting rod; the second driving part is coupled to the third connecting rod. The invention further provides a bed with the bed surface vertical lifting function.
Description
Technical field
The present invention relates to nursing device, particularly relate to the bed of bed surface vertical lifting mechanism and band bed surface vertical lift.
Background technology
Because patient is handicapped, nursing bed often needs to have bed surface elevating function.Current nursing bed bed surface elevating mechanism is mostly parallelogram four-bar linkage, as shown in Figure 1.As can be seen from Fig., under the effect of lifting push rod, bed surface can move up and down by the vertical direction.This mechanism is simple, is easy to realize, but shortcoming is, in lifting process, bed surface has displacement fluctuation in the horizontal direction, and patient will have and wave sense.The placement place of nursing bed also will be subject to certain restrictions in addition, in the horizontal direction, its left and right sides needs reserved safe space, and other object can not be had in safe space to put, because the left and right displacement fluctuation of bed surface can collide with other object in lifting process.
Therefore, this area is needed badly and a kind ofly can be eliminated the technology that move horizontally of bed surface in lifting process.
Summary of the invention
Below provide the brief overview of one or more aspect to provide the basic comprehension to these aspects.Detailed the combining of this not all aspect contemplated of general introduction is look at, and both not intended to be pointed out out the scope of key or decisive any or all aspect of elements nor delineate of all aspects.Its unique object is the sequence that some concepts that will provide one or more aspect in simplified form think the more detailed description provided after a while.
According to an aspect of the present invention, provide a kind of bed surface vertical lifting mechanism, comprising: the first slide block being located at the bed surface of bed, first connecting rod, the first end points of this first connecting rod and the first slide block of this bed surface hinged, the first pin joint on the second end points of this first connecting rod and bed foundation is hinged, second connecting rod, the first pin joint on the first end points of this second connecting rod and this bed surface is hinged, the second end points of this second connecting rod and the first intermediate node of this first connecting rod hinged, first actuator, this first actuator is coupled to this first connecting rod to drive this first connecting rod, third connecting rod, the second pin joint on the second end points of this third connecting rod and this bed foundation is hinged, double leval jib, the first end points of this double leval jib and the second pin joint of this bed surface hinged, the second end points of this double leval jib and the first end of this third connecting rod point articulated, and second actuator, this second actuator is coupled to this third connecting rod to drive this third connecting rod, wherein, this first connecting rod equal this first connecting rod from the length of the first intermediate node to the first end points equal the length of this second connecting rod from the first intermediate node to double-pointed length, the length equaling this double leval jib from the first end points to double-pointed length of this third connecting rod, this second connecting rod is equal with this double leval jib length, and the length of the first pin joint to the second pin joint of this bed foundation equals the length of the first pin joint to the second pin joint of this bed surface.
In one example, this first actuator comprises the first expansion link, first end points and this bed surface of this first expansion link are hinged, second end points of this first expansion link and the second intermediate node of this first connecting rod hinged, and this second actuator comprises the second expansion link, first end points and this bed surface of this second expansion link are hinged, the second end points of this second expansion link and the intermediate node of this third connecting rod hinged.
In one example, the first end points of this first expansion link this first pin joint of this bed surface and this bed surface hinged, and the first end points of this second expansion link this second pin joint of this bed surface and this bed surface hinged.
In one example, this mechanism also comprises: the second slide block being located at this bed surface; Wherein this third connecting rod is the first paragraph of this third connecting rod from the first end points to double-pointed part, this third connecting rod also has the second segment extended from the first end points of this third connecting rod, another end points of the second segment of this third connecting rod and the second slide block of this bed surface hinged, the first paragraph of this third connecting rod is equal with second segment length.
According to a further aspect in the invention, provide a kind of bed with bed surface vertical lift, comprising: bed foundation, and bed surface, this bed surface is provided with the first slide block, first slide block of this bed surface and the first end of first connecting rod point articulated, second end points of this first connecting rod and the first pin joint of this bed foundation hinged, first intermediate node of this first connecting rod and the second end points of second connecting rod hinged, first end points of this second connecting rod and the first pin joint of this bed surface hinged, this first connecting rod is coupled to the first actuator, second end points of third connecting rod and the second pin joint of this bed foundation hinged, first end points of double leval jib and the second pin joint of this bed surface hinged, second end points of this double leval jib and the first end of this third connecting rod point articulated, this third connecting rod is coupled to the second actuator, wherein, this first connecting rod equal this first connecting rod from the length of the first intermediate node to the first end points equal the length of this second connecting rod from the first intermediate node to double-pointed length, the length equaling this double leval jib from the first end points to double-pointed length of this third connecting rod, this second connecting rod is equal with this double leval jib length, and the length of the first pin joint to the second pin joint of this bed foundation equals the length of the first pin joint to the second pin joint of this bed surface.
In one example, this first actuator comprises the first expansion link, first end points and this bed surface of this first expansion link are hinged, second end points of this first expansion link and the second intermediate node of this first connecting rod hinged, and this second actuator comprises the second expansion link, first end points and this bed surface of this second expansion link are hinged, the second end points of this second expansion link and the intermediate node of this third connecting rod hinged.
In one example, the first end points of this first expansion link this first pin joint of this bed surface and this bed surface hinged, and the first end points of this second expansion link this second pin joint of this bed surface and this bed surface hinged.
In one example, this bed surface is also provided with the second slide block, wherein, this third connecting rod be the first paragraph of this third connecting rod from the first end points to double-pointed part, this third connecting rod also has the second segment extended from the first end points of this third connecting rod, another end points of the second segment of this third connecting rod and the second slide block of this bed surface hinged, the first paragraph of this third connecting rod is equal with second segment length.
According to the solution of the present invention, when regulating bed surface height, bed surface does not have displacement fluctuation in the horizontal direction.On the one hand, that can eliminate human body in bed surface adjustment process rocks sense.Lower to the space requirement of putting a body on the other hand, that is, two of bed is without the need to reserved larger safe space, because the object that bed surface can not be put with side in adjustment process collides.
Accompanying drawing explanation
After the detailed description of reading embodiment of the present disclosure in conjunction with the following drawings, above-mentioned feature and advantage of the present invention can be understood better.In the accompanying drawings, each assembly is not necessarily drawn in proportion, and the assembly with similar correlation properties or feature may have identical or close Reference numeral.
Fig. 1 shows the schematic diagram of the bed surface vertical lifting mechanism of the nursing bed of prior art;
Fig. 2 shows the schematic diagram of the bed surface vertical lifting mechanism according to the first embodiment of the present invention;
Fig. 3 shows the schematic diagram of the size of the bed surface vertical lifting mechanism according to the first embodiment of the present invention;
Fig. 4 shows the schematic diagram regulated according to the vertical lift of the bed surface vertical lifting mechanism of the first embodiment of the present invention;
Fig. 5 shows the schematic diagram of the position tilt adjustment of the bed surface vertical lifting mechanism according to the first embodiment of the present invention;
Fig. 6 shows another schematic diagram of the position tilt adjustment of the bed surface vertical lifting mechanism according to the first embodiment of the present invention;
Fig. 7 shows the schematic diagram of bed surface vertical lifting mechanism according to a second embodiment of the present invention; And
The schematic diagram that the vertical lift that Fig. 8 shows bed surface vertical lifting mechanism according to a second embodiment of the present invention regulates.
Symbol description:
201: first connecting rod
202: second connecting rod
203: third connecting rod
204: the double leval jib
205: the first actuators, expansion link
206: the second actuators, expansion link
207: slide block
208: bed surface
209: bed foundation
701: first connecting rod
702: second connecting rod
703: third connecting rod
704: the double leval jib
705: the first actuators, expansion link
706: the second actuators, expansion link
707: slide block
708: bed surface
709: bed foundation
710: slide block
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.Note, the aspects described below in conjunction with the drawings and specific embodiments is only exemplary, and should not be understood to carry out any restriction to protection scope of the present invention.
Fig. 2 shows the schematic diagram of the bed surface vertical lifting mechanism 200 according to the first embodiment of the present invention.This bed surface vertical lifting mechanism 200 can be used for the bed accessory of such as nursing bed, sick bed and so on.In fig. 2, this bed accessory has bed surface 208 and bed foundation 209.Bed surface 208 is vertically elevated by the adjustment of bed surface vertical lifting mechanism 200, eliminates the horizontal displacement of bed surface in lift adjustment process, thus human body is not had rock sense, and also makes the restriction in the space of putting bed greatly reduce.
As shown in Figure 2, bed surface vertical lifting mechanism 200 can comprise first connecting rod 201 and second connecting rod 202.First end points of first connecting rod 201 can be hinged with the first slide block 207 of bed surface 208, and the second end points of first connecting rod 201 can be hinged with the first pin joint A1 of bed foundation 209.First end points of second connecting rod 202 can be hinged with the first pin joint B1 of bed surface 208, and the second end points of second connecting rod 202 can be hinged with the first intermediate node C1 of first connecting rod 201.
Bed surface vertical lifting mechanism 200 also can comprise the first actuator 205, and the latter is coupled to first connecting rod 201 to drive first connecting rod 201.
More preferably, the first actuator 205 can comprise expansion link 205.First end points of expansion link 205 can be hinged with bed surface 208, such as hinged with the first pin joint B1 of bed surface 208, and the second end points of expansion link 205 can be hinged with the second intermediate node C2 of first connecting rod 201.The position of the pin joint of the expansion link 205 shown in Fig. 2 and bed surface 208 and first connecting rod 201 is only exemplary instead of restrictive.Such as, expansion link 205 and the pin joint of bed surface 208 can not be the pin joint B1 of bed surface 208, but other positions by pin joint B1.Again such as, intermediate node C2 shown in Fig. 2 is shown on a protuberance of first connecting rod 201, in fact, for representing that the line segment of first connecting rod 201 is the abstract simplification of first connecting rod entity in figure, intermediate node C2 is still positioned on first connecting rod 201, and depends on that embody rule can have diverse location.
Thus, when expansion link 205 extends, under the cooperation of first connecting rod 201 and second connecting rod 202, the left end of bed surface 208 is made to increase.When expansion link 205 shrinks, under the cooperation of first connecting rod 201 and second connecting rod 202, the left end of bed surface 208 is declined.
Bed surface vertical lifting mechanism 200 also can comprise third connecting rod 203 and double leval jib 204.First end points of third connecting rod 203 can be hinged with the second end points of double leval jib 204, and the second end points of third connecting rod 203 can be hinged with the second pin joint A2 of bed foundation 209, and the first end points of double leval jib can be hinged with the second pin joint B2 of bed surface 208.
Bed surface vertical lifting mechanism 200 also can comprise the second actuator 206, and the latter is coupled to third connecting rod 203 to drive third connecting rod 203.
More preferably, the second actuator 206 can comprise expansion link 206.First end points of expansion link 206 can be hinged with bed surface 208, such as hinged with the second pin joint B2 of bed surface 208, and the second end points of expansion link 205 can be hinged with the intermediate node D1 of third connecting rod 203.Similarly, the position of the expansion link 206 shown in Fig. 2 and the pin joint of bed surface 208 and third connecting rod 203 is only exemplary instead of restrictive.Such as, expansion link 206 and the pin joint of bed surface 208 can not be the pin joint B2 of bed surface 208, but other positions by pin joint B2.Again such as, intermediate node D1 shown in Fig. 2 is shown on a protuberance of third connecting rod 203, in fact, for representing that the line segment of third connecting rod 203 is the abstract simplification of third connecting rod entity in figure, intermediate node D1 is still positioned on third connecting rod 203, and depends on that embody rule can have diverse location.
Thus, when expansion link 206 extends, under the cooperation of third connecting rod 203 and double leval jib 204, the right-hand member of bed surface 208 is made to increase.When expansion link 206 shrinks, under the cooperation of third connecting rod 203 and double leval jib 204, the right-hand member of bed surface 208 is declined.
For making bed surface 208 vertically be elevated, the size of each parts can be made to keep certain relation.Fig. 3 shows the schematic diagram of the size of the bed surface vertical lifting mechanism according to the first embodiment of the present invention.As shown in Figure 3, first connecting rod 201 from the length L2 of the first intermediate node C1 to the first end points can equal first connecting rod 201 from the first intermediate node C1 to double-pointed length, namely equal the half of total length L, and the length L1 of second connecting rod 202 can be equaled.The length that can equal double leval jib 204 from the first end points to double-pointed length L3 of third connecting rod 203, second connecting rod 202 is equal with double leval jib 204 length.In addition, the length S2 of the first pin joint A1 to the second pin joint A2 of bed foundation 209 equals the length S1 of the first pin joint B1 to the second pin joint B2 of bed surface 208.
Fig. 4 shows the schematic diagram regulated according to the vertical lift of the bed surface vertical lifting mechanism of the first embodiment of the present invention.As shown in Figure 4, needs vertically lifting bed surface time, the expansion link of both sides can be extended simultaneously.Now, the two ends of bed surface, with identical amplitude lifting, horizontal direction keep do not have displacement.When needs vertically decline bed surface, the expansion link of both sides can be shunk simultaneously.Now, the two ends of bed surface decline with identical amplitude, and horizontal direction does not have displacement yet.
Bed surface vertical lifting mechanism of the present invention is except can except vertical lift, and the position that can also realize in both direction tilts.Fig. 5 shows the schematic diagram of the position tilt adjustment of the bed surface vertical lifting mechanism according to the first embodiment of the present invention.As shown in Figure 5, the expansion link when left side shrinks or is failure to actuate, and when the expansion link on right side stretches out, bed surface is in left low right high dip.Fig. 6 shows another schematic diagram of the position tilt adjustment of the bed surface vertical lifting mechanism according to the first embodiment of the present invention.As shown in Figure 6, the expansion link when left side stretches out, the expansion link on right side shrink or motionless time, bed surface be right low left high inclination.
Fig. 7 shows the schematic diagram of bed surface vertical lifting mechanism 700 according to a second embodiment of the present invention.As shown in Figure 7, bed surface vertical lifting mechanism 700 can comprise first connecting rod 701 and second connecting rod 702.First end points of first connecting rod 701 can be hinged with the first slide block 707 of bed surface 708, and the second end points of first connecting rod 701 can be hinged with the first pin joint A1 of bed foundation 709.First end points of second connecting rod 702 can be hinged with the first pin joint B1 of bed surface 708, and the second end points of second connecting rod 702 can be hinged with the first intermediate node C1 of first connecting rod 701.
Bed surface vertical lifting mechanism 700 also can comprise the first actuator 705, and the latter is coupled to first connecting rod 701 to drive first connecting rod 701.
More preferably, the first actuator 705 can comprise expansion link 705.First end points of expansion link 705 can be hinged with bed surface 708, such as hinged with the first pin joint B1 of bed surface 708, and the second end points of expansion link 705 can be hinged with the second intermediate node C2 of first connecting rod 701.The position of the pin joint of the expansion link 705 shown in Fig. 7 and bed surface 708 and first connecting rod 701 is only exemplary instead of restrictive.Such as, expansion link 705 and the pin joint of bed surface 708 can not be the pin joint B1 of bed surface 708, but other positions by pin joint B1.Again such as, intermediate node C2 shown in Fig. 7 is shown on a protuberance of first connecting rod 701, in fact, for representing that the line segment of first connecting rod 701 is the abstract simplification of first connecting rod entity in figure, intermediate node C2 is still positioned on first connecting rod 701, and depends on that embody rule can have diverse location.
Thus, when expansion link 705 extends, under the cooperation of first connecting rod 701 and second connecting rod 702, the left end of bed surface 708 is made to increase.When expansion link 705 shrinks, under the cooperation of first connecting rod 701 and second connecting rod 702, the left end of bed surface 708 is declined.
The above-mentioned parts of the bed surface vertical lifting mechanism 700 in Fig. 7 are identical with the bed surface vertical lifting mechanism 200 of Fig. 2.Difference is that bed surface vertical lifting mechanism 700 has set up second slide block 710 on bed surface 708, and third connecting rod 703 replaces with long connecting rod, until hinged with bed surface 708 end points second slide block 710.Namely, the third connecting rod 203 of the bed surface vertical lifting mechanism 200 in Fig. 2 be the first paragraph of third connecting rod 703 Fig. 7 from the first end points to double-pointed part, the third connecting rod 703 in Fig. 7 also have extend to bed surface 708 the second slide block 710 with the second segment hinged with it.
Bed surface vertical lifting mechanism 700 also can comprise the second actuator 706, and the latter is coupled to third connecting rod 703 and rotates around the second pin joint A2 of bed foundation 709 to drive third connecting rod 703.
More preferably, the second actuator 706 can comprise expansion link 706.First end points of expansion link 706 can be hinged with bed surface 708, such as hinged with the second pin joint B2 of bed surface 708, and the second end points of expansion link 705 can be hinged with the intermediate node D1 of third connecting rod 703.Similarly, the position of the expansion link 706 shown in Fig. 7 and the pin joint of bed surface 708 and third connecting rod 703 is only exemplary instead of restrictive.Such as, expansion link 706 and the pin joint of bed surface 708 can not be the pin joint B2 of bed surface 708, but other positions by pin joint B2.Again such as, intermediate node D1 shown in Fig. 7 is shown on a protuberance of third connecting rod 703, in fact, for representing that the line segment of third connecting rod 703 is the abstract simplification of third connecting rod entity in figure, intermediate node D1 is still positioned on third connecting rod 703, and depends on that embody rule can have diverse location.
Thus, when expansion link 706 extends, under the cooperation of third connecting rod 703 and double leval jib 704, the right-hand member of bed surface 708 is made to increase.When expansion link 706 shrinks, under the cooperation of third connecting rod 703 and double leval jib 704, the right-hand member of bed surface 708 is declined.
Similarly, for making bed surface 708 vertically be elevated, the size of each parts can be made to keep certain relation.The bed surface vertical lifting mechanism 200 of this size relationship and Fig. 2 is similar.Particularly, first connecting rod 701 from the length of the first intermediate node C1 to the first end points can equal first connecting rod 701 from the first intermediate node C1 to double-pointed length, namely equal the half of total length, and the length of second connecting rod 702 can be equaled.Double leval jib 704 is equal with the length of the first paragraph that third connecting rod 703 is divided into by the pin joint of third connecting rod 703 and second segment, and equals the length of double leval jib 704, and second connecting rod 702 is equal with double leval jib 704 length.In addition, the length of the first pin joint A1 to the second pin joint A2 of bed foundation 709 equals the length of the first pin joint B1 to the second pin joint B2 of bed surface 708.
The schematic diagram that the vertical lift that Fig. 8 shows bed surface vertical lifting mechanism according to a second embodiment of the present invention regulates.As shown in Figure 8, needs vertically lifting bed surface time, the expansion link of both sides can be extended simultaneously.Now, the two ends of bed surface, with identical amplitude lifting, horizontal direction keep do not have displacement.When needs vertically decline bed surface, the expansion link of both sides can be shunk simultaneously.Now, the two ends of bed surface decline with identical amplitude, and horizontal direction does not have displacement yet.
Bed surface vertical lifting mechanism in this embodiment does not have bed surface tilt function, but bed body has larger system rigidity.
According to the solution of the present invention, when regulating bed surface height, bed surface does not have displacement fluctuation in the horizontal direction.On the one hand, that can eliminate human body in bed surface adjustment process rocks sense.Lower to the space requirement of putting a body on the other hand, that is, two of bed is without the need to reserved larger safe space, because the object that bed surface can not be put with side in adjustment process collides.
Thering is provided previous description of the present disclosure is for making any person skilled in the art all can make or use the disclosure.To be all apparent for a person skilled in the art to various amendment of the present disclosure, and generic principles as defined herein can be applied to other variants and can not depart from spirit or scope of the present disclosure.Thus, the disclosure not intended to be is defined to example described herein and design, but the widest scope consistent with principle disclosed herein and novel features should be awarded.
Claims (8)
1. a bed surface vertical lifting mechanism, comprising:
Be located at the first slide block of the bed surface of bed;
First connecting rod, the first end points of described first connecting rod and the first slide block of described bed surface hinged, the first pin joint on the second end points of described first connecting rod and bed foundation is hinged;
Second connecting rod, the first pin joint on the first end points of described second connecting rod and described bed surface is hinged, the second end points of described second connecting rod and the first intermediate node of described first connecting rod hinged;
First actuator, described first actuator is coupled to described first connecting rod to drive described first connecting rod;
Third connecting rod, the second pin joint on the second end points of described third connecting rod and described bed foundation is hinged;
Double leval jib, the first end points of described double leval jib and the second pin joint of described bed surface hinged, the second end points of described double leval jib and the first end of described third connecting rod point articulated; And
Second actuator, described second actuator is coupled to described third connecting rod to drive described third connecting rod,
Wherein, described first connecting rod equal described first connecting rod from the length of the first intermediate node to the first end points equal the length of described second connecting rod from the first intermediate node to double-pointed length, the length equaling described double leval jib from the first end points to double-pointed length of described third connecting rod, described second connecting rod is equal with described double leval jib length, and the length of the first pin joint to the second pin joint of described bed foundation equals the length of the first pin joint to the second pin joint of described bed surface.
2. bed surface vertical lifting mechanism as claimed in claim 1, it is characterized in that, described first actuator comprises the first expansion link, and the first end points and the described bed surface of described first expansion link are hinged, second end points of described first expansion link and the second intermediate node of described first connecting rod hinged, and
Described second actuator comprises the second expansion link, and the first end points and the described bed surface of described second expansion link are hinged, the second end points of described second expansion link and the intermediate node of described third connecting rod hinged.
3. bed surface vertical lifting mechanism as claimed in claim 2, it is characterized in that, first end points of described first expansion link described first pin joint of described bed surface and described bed surface hinged, and the first end points of described second expansion link described second pin joint of described bed surface and described bed surface hinged.
4. bed surface vertical lifting mechanism as claimed in claim 1, is characterized in that, also comprise:
Be located at the second slide block of described bed surface;
Wherein said third connecting rod be the first paragraph of described third connecting rod from the first end points to double-pointed part, described third connecting rod also has the second segment extended from the first end points of described third connecting rod, another end points of the second segment of described third connecting rod and the second slide block of described bed surface hinged, the first paragraph of described third connecting rod is equal with second segment length.
5. the bed with bed surface vertical lift, comprising:
Bed foundation; And
Bed surface, described bed surface is provided with the first slide block, first slide block of described bed surface and the first end of first connecting rod point articulated, second end points of described first connecting rod and the first pin joint of described bed foundation hinged, first intermediate node of described first connecting rod and the second end points of second connecting rod hinged, first end points of described second connecting rod and the first pin joint of described bed surface hinged, described first connecting rod is coupled to the first actuator, second end points of third connecting rod and the second pin joint of described bed foundation hinged, first end points of double leval jib and the second pin joint of described bed surface hinged, second end points of described double leval jib and the first end of described third connecting rod point articulated, described third connecting rod is coupled to the second actuator,
Wherein, described first connecting rod equal described first connecting rod from the length of the first intermediate node to the first end points equal the length of described second connecting rod from the first intermediate node to double-pointed length, the length equaling described double leval jib from the first end points to double-pointed length of described third connecting rod, described second connecting rod is equal with described double leval jib length, and the length of the first pin joint to the second pin joint of described bed foundation equals the length of the first pin joint to the second pin joint of described bed surface.
6. bed as claimed in claim 1, it is characterized in that, described first actuator comprises the first expansion link, and the first end points and the described bed surface of described first expansion link are hinged, second end points of described first expansion link and the second intermediate node of described first connecting rod hinged, and
Described second actuator comprises the second expansion link, and the first end points and the described bed surface of described second expansion link are hinged, the second end points of described second expansion link and the intermediate node of described third connecting rod hinged.
7. bed as claimed in claim 6, it is characterized in that, first end points of described first expansion link described first pin joint of described bed surface and described bed surface hinged, and the first end points of described second expansion link described second pin joint of described bed surface and described bed surface hinged.
8. bed as claimed in claim 1, it is characterized in that, described bed surface is also provided with the second slide block, wherein, described third connecting rod be the first paragraph of described third connecting rod from the first end points to double-pointed part, described third connecting rod also have from described third connecting rod first end points extend second segment, another end points of the second segment of described third connecting rod and the second slide block of described bed surface hinged, the first paragraph of described third connecting rod is equal with second segment length.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410226176.9A CN105310844B (en) | 2014-05-26 | 2014-05-26 | Bed surface vertical lifting mechanism and bed with bed surface vertical lifting function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410226176.9A CN105310844B (en) | 2014-05-26 | 2014-05-26 | Bed surface vertical lifting mechanism and bed with bed surface vertical lifting function |
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| CN105310844A true CN105310844A (en) | 2016-02-10 |
| CN105310844B CN105310844B (en) | 2019-12-24 |
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| CN201410226176.9A Active CN105310844B (en) | 2014-05-26 | 2014-05-26 | Bed surface vertical lifting mechanism and bed with bed surface vertical lifting function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107095511A (en) * | 2017-04-20 | 2017-08-29 | 厚福医疗装备有限公司 | Crank in the same direction is without the whole bed lifting structure of lateral displacement |
| CN108583031A (en) * | 2018-05-24 | 2018-09-28 | 合肥汉闻数字印刷设备有限公司 | Rolling elevating mechanism for film figure punch |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107095511A (en) * | 2017-04-20 | 2017-08-29 | 厚福医疗装备有限公司 | Crank in the same direction is without the whole bed lifting structure of lateral displacement |
| CN108583031A (en) * | 2018-05-24 | 2018-09-28 | 合肥汉闻数字印刷设备有限公司 | Rolling elevating mechanism for film figure punch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105310844B (en) | 2019-12-24 |
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