CN203852505U - Bed-surface vertically lifting mechanism and bed with same - Google Patents

Bed-surface vertically lifting mechanism and bed with same Download PDF

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Publication number
CN203852505U
CN203852505U CN201420272511.4U CN201420272511U CN203852505U CN 203852505 U CN203852505 U CN 203852505U CN 201420272511 U CN201420272511 U CN 201420272511U CN 203852505 U CN203852505 U CN 203852505U
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China
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connecting rod
bed surface
hinged
end points
pin joint
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CN201420272511.4U
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Chinese (zh)
Inventor
张玉焜
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MEIKOLONG PRODUCTS (CHINA) CO Ltd
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MEIKOLONG PRODUCTS (CHINA) CO Ltd
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Abstract

The utility model provides a bed-surface vertically lifting mechanism. The bed-surface vertically lifting mechanism comprises a first connecting rod, a second connecting rod, a first driving part, a third connecting rod, a forth connecting rod and a second driving part. A first end point of the first connecting rod is hinged with a first sliding block of the bed surface, and the second end point of the first connecting rod is hinged with a first hinge point on the ground. A first end point of the second connecting rod is hinged with a first hinge point of the bed surface, and the second end point of the second connecting rod is hinged with a first middle point of the first connecting rod. The first driving part is in coupling connection to the first connecting rod. A first end point of the third connecting rod is hinged with a second sliding block of the bed surface, and the second end point of the third connecting rod is hinged with a second hinge point on the ground. A first end point of the forth connecting rod is hinged with a second hinge point of the bed surface, and the second end point of the forth connecting rod is hinged with a first middle point of the third connecting rod. The second driving part is in coupling connection to the third connecting rod. The utility model further provides a bed with the bed-surface vertically lifting mechanism.

Description

Bed surface vertical lifting mechanism and with bed surface vertical lift bed
Technical field
This utility model relates to nursing device, relate in particular to bed surface vertical lifting mechanism and with bed surface vertical lift bed.
Background technology
Because patient is handicapped, nursing bed often needs to have bed surface elevating function.Nursing bed bed surface elevating mechanism is mostly parallelogram four-bar linkage at present, 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, be 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, safe space need to be reserved in its left and right sides, can not have other object to put in safe space, because the left and right displacement fluctuation meeting of bed surface bumps with other object in lifting process.
Due to the installing space problem of lifting push rod, adopt the nursing bed bed surface of this type of mechanism when minimum altitude, be difficult to realize the tilt function of bed surface.And because mechanical efficiency problem, the height of bed surface extreme lower position can not be accomplished very little.And in special care, in order to reduce the injury degree causing after patient tumbles, often require nursing bed to there is low initial bit, in order to alleviate nursing staff's working strength and to avoid nursing staff's waist ligament injury to require large stroke.
Therefore, this area is needed a kind of bed surface elevating mechanism technology of improvement badly.
Utility model content
Below provide the brief overview of one or more aspects so that the basic comprehension to these aspects to be provided.Detailed combine of this not all aspect contemplating of general introduction look at, and neither the also non-scope of attempting to define any or all aspect of the key or decisive key element that is intended to point out out all aspects.Its unique object is the order that some concepts that will provide in simplified form one or more aspects are thought the more detailed description providing after a while.
According to one side of the present utility model, a kind of bed surface vertical lifting mechanism is provided, comprising: the first slide block and the second slide block of 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 are hinged, and the second end points of this first connecting rod is hinged with the first pin joint resting on the ground, second connecting rod, the first end points of this second connecting rod and the first pin joint of this bed surface are hinged, and the second end points of this second connecting rod and the first intermediate node of this first connecting rod are hinged, the first actuator, this first actuator is coupled to this first connecting rod to drive this first connecting rod, third connecting rod, the first end points of this third connecting rod and the second slide block of this bed surface are hinged, and the second end points of this third connecting rod is hinged with the second pin joint resting on the ground, the 4th connecting rod, the first end points of the 4th connecting rod and the second pin joint of this bed surface are hinged, and the second end points of the 4th connecting rod and the first intermediate node of this third connecting rod are hinged, and second actuator, this second actuator is coupled to this third connecting rod to drive this third connecting rod, wherein, this first connecting rod from first length of intermediate node to the first end points and the length of this second connecting rod, the length from the first intermediate node to the first end points of this third connecting rod and the 4th connecting rod equal in length, and double-pointed equal in length from the first intermediate node to the from the double-pointed length of the first intermediate node to the and this third connecting rod of this first connecting rod, the first pin joint wherein resting on the ground and at least one in the second pin joint are to move on the ground the changing slide block of the distance between the first pin joint and the second pin joint.
In one example, this can to move on the ground to change the slide block of the distance between the first pin joint and the second pin joint be roller.
In one example, the length from the first intermediate node to the first end points of this first connecting rod and this first connecting rod is double-pointed equal in length from the first intermediate node to the.
In one example, this first actuator comprises the first expansion link, the first end points and this bed surface of this first expansion link are hinged, the second end points of this first expansion link and the second intermediate node of this first connecting rod are hinged, and this second actuator comprises the second expansion link, the first end points and this bed surface of this second expansion link are hinged, and the second end points of this second expansion link and the second intermediate node of this third connecting rod are hinged.
In one example, the first end points of this first expansion link is hinged at this first pin joint and this bed surface of this bed surface, and the first end points of this second expansion link is hinged at this second pin joint and this bed surface of this bed surface.
According on the other hand of the present utility model, a kind of bed with bed surface vertical lift is provided, comprise: bed surface, this bed surface is provided with the first slide block and the second slide block, the first slide block of this bed surface and the first end of first connecting rod are point articulated, the second end points of this first connecting rod is hinged with the first pin joint resting on the ground, the first intermediate node of this first connecting rod and the second end points of second connecting rod are hinged, the first end points of this second connecting rod and the first pin joint of this bed surface are hinged, this first connecting rod is coupled to the first actuator, the second slide block of this bed surface and the first end of third connecting rod are point articulated, the second end points of this third connecting rod is hinged with the second pin joint resting on the ground, the second end points of the first intermediate node of this third connecting rod and the 4th connecting rod is hinged, the first end points of the 4th connecting rod and the second pin joint of this bed surface are hinged, this third connecting rod is coupled to the second actuator, wherein, this first connecting rod from first length of intermediate node to the first end points and the length of this second connecting rod, the length from the first intermediate node to the first end points of this third connecting rod and the 4th connecting rod equal in length, and double-pointed equal in length from the first intermediate node to the from the double-pointed length of the first intermediate node to the and this third connecting rod of this first connecting rod, the first pin joint wherein resting on the ground and at least one in the second pin joint are to move on the ground the changing slide block of the distance between the first pin joint and the second pin joint.
In one example, this can to move on the ground to change the slide block of the distance between the first pin joint and the second pin joint be roller.
In one example, the length from the first intermediate node to the first end points of this first connecting rod and this first connecting rod is double-pointed equal in length from the first intermediate node to the.
In one example, this first actuator comprises the first expansion link, the first end points and this bed surface of this first expansion link are hinged, the second end points of this first expansion link and the second intermediate node of this first connecting rod are hinged, and this second actuator comprises the second expansion link, the first end points and this bed surface of this second expansion link are hinged, and the second end points of this second expansion link and the second intermediate node of this third connecting rod are hinged.
In one example, the first end points of this first expansion link is hinged at this first pin joint and this bed surface of this bed surface, and the first end points of this second expansion link is hinged at this second pin joint and this bed surface of this bed surface.
By scheme of the present utility model, when regulating bed surface height, bed surface does not have displacement fluctuation in the horizontal direction.On the one hand, can eliminate the sense of rocking of human body in bed surface adjustment process.Lower to putting the space requirement of a body on the other hand, that is, two of bed is without reserved larger safe space, because the object that bed surface can not put with side in adjustment process bumps.And, by scheme of the present utility model, can realize the bed surface of low Low Level, bed surface, when minimum altitude, also can be realized the tilt function of bed surface.
Accompanying drawing explanation
After reading in conjunction with the following drawings the detailed description of embodiment of the present disclosure, can understand better above-mentioned feature and advantage of the present utility model.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 bed surface vertical lifting mechanism of the nursing bed of prior art;
Fig. 2 shows according to the schematic diagram of the bed surface vertical lifting mechanism of the first embodiment of the present utility model;
Fig. 3 shows the schematic diagram regulating according to the vertical lift of the bed surface vertical lifting mechanism of the first embodiment of the present utility model;
Fig. 4 shows according to the schematic diagram of the position tilt adjustment of the bed surface vertical lifting mechanism of the first embodiment of the present utility model;
Fig. 5 shows according to another schematic diagram of the position tilt adjustment of the bed surface vertical lifting mechanism of the first embodiment of the present utility model;
Fig. 6 shows according to the schematic diagram of the bed surface vertical lifting mechanism of the second embodiment of the present utility model;
Fig. 7 shows the schematic diagram regulating according to the vertical lift of the bed surface vertical lifting mechanism of the second embodiment of the present utility model;
Fig. 8 shows according to the schematic diagram of the position tilt adjustment of the bed surface vertical lifting mechanism of the second embodiment of the present utility model; And
Fig. 9 shows according to another schematic diagram of the position tilt adjustment of the bed surface vertical lifting mechanism of the second embodiment of the present utility model.
Symbol description:
201: first connecting rod
202: second connecting rod
203: third connecting rod
204: the four connecting rods
205: the first actuators, expansion link
206: the second actuators, expansion link
207,208,209,210: slide block
211: bed surface
212: ground
601: first connecting rod
602: second connecting rod
603: third connecting rod
604: the four connecting rods
605: the first actuators, expansion link
606: the second actuators, expansion link
607,608,610: slide block
609: be fixedly hinged a little
611: bed surface
612: ground
The specific embodiment
Below in conjunction with the drawings and specific embodiments, this utility model is described in detail.Note, the aspects of describing below in conjunction with the drawings and specific embodiments is only exemplary, and should not be understood to protection domain of the present utility model to carry out any restriction.
Fig. 2 shows according to the schematic diagram of the bed surface vertical lifting mechanism 200 of the first embodiment of the present utility model.This bed surface vertical lifting mechanism 200 can be used for the bed accessory such as nursing bed, sick bed.In Fig. 2, this bed accessory has bed surface 211.Bed surface 211 can carry out vertically lifting by the adjusting of bed surface vertical lifting mechanism 200, eliminated the horizontal displacement of bed surface in lift adjustment process, thereby human body is not had, rocks sense, and the restriction that also makes to put the space of bed reduces greatly.In addition, As described in detail below, the connecting rod of bed surface vertical lifting mechanism 200 is directly hinged to ground, thereby can realize the low Low Level of bed surface.
As shown in Figure 2, bed surface vertical lifting mechanism 200 can comprise first connecting rod 201 and second connecting rod 202.The first end points of first connecting rod 201 can be hinged with the first slide block 207 of bed surface 211, and the second end points of first connecting rod 201 can be hinged with the first pin joint A1 being positioned on ground 212.In example as shown in Figure 2, this pin joint A1 is the slide block 209 that can move on ground 212.The first end points of second connecting rod 202 can be hinged with the first pin joint B1 of bed surface 211, 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.The first end points of expansion link 205 can be hinged with bed surface 211, for example hinged with the first pin joint B1 of bed surface 211, and the second end points of expansion link 205 can be hinged with the second intermediate node C2 of first connecting rod 201.Expansion link 205 shown in Fig. 2 is only exemplary rather than restrictive with the position of the pin joint of bed surface 211 and first connecting rod 201.For example, expansion link 205 can not be the pin joint B1 of bed surface 211 with the pin joint of bed surface 211, but in other other positions of pin joint B1.Again for example, intermediate node C2 shown in Fig. 2 is shown on a protuberance of first connecting rod 201, in fact, in figure for representing that the line segment of first connecting rod 201 is the abstract simplification of first connecting rod entity, intermediate node C2 is still positioned on first connecting rod 201, and depends on that concrete application can have diverse location.
Thus, when expansion link 205 extends, under the cooperation of first connecting rod 201 and second connecting rod 202, make the left end of bed surface 211 increase.When expansion link 205 shrinks, under the cooperation of first connecting rod 201 and second connecting rod 202, make the left end of bed surface 211 decline.
Bed surface vertical lifting mechanism 200 also can comprise third connecting rod 203 and the 4th connecting rod 204.The first end points of third connecting rod 203 can be hinged with the second slide block 208 of bed surface 211, and the second end points of third connecting rod 203 can be hinged with the second pin joint A2 being positioned on ground 212.In example as shown in Figure 2, this pin joint A2 is the slide block 210 that can move on ground 212.The first end points of the 4th connecting rod 204 can be hinged with the second pin joint B2 of bed surface 211, and the second end points of the 4th connecting rod 204 can be hinged with the first intermediate node D1 of third connecting rod 203.
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.The first end points of expansion link 206 can be hinged with bed surface 211, for example hinged with the second pin joint B1 of bed surface 211, and the second end points of expansion link 206 can be hinged with the second intermediate node D2 of third connecting rod 203.Expansion link 206 shown in Fig. 2 is only exemplary rather than restrictive with the position of the pin joint of bed surface 211 and third connecting rod 203.For example, expansion link 206 can not be the pin joint B2 of bed surface 211 with the pin joint of bed surface 211, but in other other positions of pin joint B2.Again for example, intermediate node D2 shown in Fig. 2 is shown on a protuberance of third connecting rod 203, in fact, in figure for representing that the line segment of third connecting rod 203 is the abstract simplification of third connecting rod entity, intermediate node D2 is still positioned on third connecting rod 203, and depends on that concrete application can have diverse location.
Thus, when expansion link 206 extends, under the cooperation of third connecting rod 203 and the 4th connecting rod 204, make the right-hand member of bed surface 211 increase.When expansion link 206 shrinks, under the cooperation of third connecting rod 203 and the 4th connecting rod 204, make the right-hand member of bed surface 211 decline.
For making vertically lifting of bed surface 211, can make the size of each parts keep certain relation.Particularly, all the equating from first length of intermediate node D1 to the first end points and the length of the 4th connecting rod 204 from first length of intermediate node C1 to the first end points and the length of second connecting rod 202, third connecting rod 203 of first connecting rod 201.More preferably, the length from the first intermediate node C1 to the first end points of first connecting rod 201 and first connecting rod 201 double-pointed equal in length from the first intermediate node C1 to the, is half of total length.Correspondingly, also equating from the double-pointed length of the first intermediate node D1 to the of the length from the first intermediate node D1 to the first end points of third connecting rod 203 and third connecting rod 203 now.
Fig. 3 shows the schematic diagram regulating according to the vertical lift of the bed surface vertical lifting mechanism of the first embodiment of the present utility model.As shown in Figure 3, at needs, vertically during lifting bed surface, can extend the expansion link of both sides simultaneously.Now, the two ends of bed surface, with identical amplitude lifting, keep not having displacement in horizontal direction.When needs vertically decline bed surface, can shrink the expansion link of both sides simultaneously.Now, the two ends of bed surface decline with identical amplitude, also there is no displacement in horizontal direction.
Bed surface vertical lifting mechanism of the present utility model is except can vertical lift, and the position that can also realize on both direction tilts.Fig. 4 shows according to the schematic diagram of the position tilt adjustment of the bed surface vertical lifting mechanism of the first embodiment of the present utility model.As shown in Figure 4, 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 left low right high dip.Fig. 5 shows according to another schematic diagram of the position tilt adjustment of the bed surface vertical lifting mechanism of the first embodiment of the present utility model.As shown in Figure 5, the expansion link when left side stretches out, and the expansion link on right side shrinks or when motionless, bed surface is right low left high.
Due to first and third connecting rod be directly hinged to ground, and with two pin joint A1, the A2 on ground be can be mobile on the ground slide block, the distance between two pin joint A1, A2 can change, thereby can realize the bed surface of low Low Level.
Fig. 6 shows according to the schematic diagram of the bed surface vertical lifting mechanism 600 of the second embodiment of the present utility model.As shown in Figure 6, bed surface vertical lifting mechanism 600 can comprise first connecting rod 601 and second connecting rod 602.The first end points of first connecting rod 601 can be hinged with the first slide block 607 of bed surface 611, and the second end points of first connecting rod 601 can be hinged with the first pin joint A1 being positioned on ground 612.In example as shown in Figure 6, this pin joint A1 is immovable being fixedly hinged a little on ground 612.The first end points of second connecting rod 602 can be hinged with the first pin joint B1 of bed surface 611, and the second end points of second connecting rod 602 can be hinged with the first intermediate node C1 of first connecting rod 601.
Bed surface vertical lifting mechanism 600 also can comprise the first actuator 605, and the latter is coupled to first connecting rod 601 to drive first connecting rod 601.
More preferably, the first actuator 605 can comprise expansion link 605.The first end points of expansion link 605 can be hinged with bed surface 611, for example hinged with the first pin joint B1 of bed surface 611, and the second end points of expansion link 605 can be hinged with the second intermediate node C2 of first connecting rod 601.Expansion link 605 shown in Fig. 6 is only exemplary rather than restrictive with the position of the pin joint of bed surface 611 and first connecting rod 601.For example, expansion link 605 can not be the pin joint B1 of bed surface 611 with the pin joint of bed surface 611, but in other other positions of pin joint B1.Again for example, intermediate node C2 shown in Fig. 6 is shown on a protuberance of first connecting rod 601, in fact, in figure for representing that the line segment of first connecting rod 601 is the abstract simplification of first connecting rod entity, intermediate node C2 is still positioned on first connecting rod 601, and depends on that concrete application can have diverse location.
Thus, when expansion link 605 extends, under the cooperation of first connecting rod 601 and second connecting rod 602, make the left end of bed surface 611 increase.When expansion link 605 shrinks, under the cooperation of first connecting rod 601 and second connecting rod 602, make the left end of bed surface 611 decline.
Bed surface vertical lifting mechanism 600 also can comprise third connecting rod 603 and the 4th connecting rod 604.The first end points of third connecting rod 603 can be hinged with the second slide block 608 of bed surface 611, and the second end points of third connecting rod 603 can be hinged with the second pin joint A2 being positioned on ground 612.In example as shown in Figure 6, this pin joint A2 is the slide block 610 that can move on ground 612.The first end points of the 4th connecting rod 604 can be hinged with the second pin joint B2 of bed surface 611, and the second end points of the 4th connecting rod 604 can be hinged with the first intermediate node D1 of third connecting rod 603.
Bed surface vertical lifting mechanism 600 also can comprise the second actuator 606, and the latter is coupled to third connecting rod 603 to drive third connecting rod 603.
More preferably, the second actuator 606 can comprise expansion link 606.The first end points of expansion link 606 can be hinged with bed surface 611, for example hinged with the second pin joint B1 of bed surface 611, and the second end points of expansion link 606 can be hinged with the second intermediate node D2 of third connecting rod 603.Expansion link 606 shown in Fig. 6 is only exemplary rather than restrictive with the position of the pin joint of bed surface 611 and third connecting rod 603.For example, expansion link 606 can not be the pin joint B2 of bed surface 611 with the pin joint of bed surface 611, but in other other positions of pin joint B2.Again for example, intermediate node D2 shown in Fig. 6 is shown on a protuberance of third connecting rod 603, in fact, in figure for representing that the line segment of third connecting rod 603 is the abstract simplification of third connecting rod entity, intermediate node D2 is still positioned on third connecting rod 603, and depends on that concrete application can have diverse location.
Thus, when expansion link 606 extends, under the cooperation of third connecting rod 603 and the 4th connecting rod 604, make the right-hand member of bed surface 611 increase.When expansion link 606 shrinks, under the cooperation of third connecting rod 603 and the 4th connecting rod 604, make the right-hand member of bed surface 611 decline.
For making vertically lifting of bed surface 611, can make the size of each parts keep certain relation.Particularly, all the equating from first length of intermediate node D1 to the first end points and the length of the 4th connecting rod 604 from first length of intermediate node C1 to the first end points and the length of second connecting rod 602, third connecting rod 603 of first connecting rod 601.More preferably, the length from the first intermediate node C1 to the first end points of first connecting rod 601 and first connecting rod 601 double-pointed equal in length from the first intermediate node C1 to the, is half of total length.Correspondingly, also equating from the double-pointed length of the first intermediate node D1 to the of the length from the first intermediate node D1 to the first end points of third connecting rod 603 and third connecting rod 603 now.
Fig. 7 shows the schematic diagram regulating according to the vertical lift of the bed surface vertical lifting mechanism of the second embodiment of the present utility model.As shown in Figure 7, at needs, vertically during lifting bed surface, can extend the expansion link of both sides simultaneously.Now, the two ends of bed surface, with identical amplitude lifting, keep not having displacement in horizontal direction.When needs vertically decline bed surface, can shrink the expansion link of both sides simultaneously.Now, the two ends of bed surface decline with identical amplitude, also there is no displacement in horizontal direction.
Bed surface vertical lifting mechanism of the present utility model is except can vertical lift, and the position that can also realize on both direction tilts.Fig. 8 shows according to the schematic diagram of the position tilt adjustment of the bed surface vertical lifting mechanism of the second embodiment of the present utility model.As shown in Figure 8, 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 left low right high dip.Fig. 9 shows according to another schematic diagram of the position tilt adjustment of the bed surface vertical lifting mechanism of the second embodiment of the present utility model.As shown in Figure 9, the expansion link when left side stretches out, and the expansion link on right side shrinks or when motionless, bed surface is right low left high.
In the present embodiment, first and third connecting rod be directly hinged to ground, and with the pin joint A2 on third connecting rod and ground be can be mobile on the ground slide block, the distance between two pin joint A1, A2 also can change, thereby can realize the bed surface of low Low Level.
Obviously, at least one in two of ground pin joint A1, A2 is to move on the ground the changing slide block of two distances between pin joint.In practice, this slide block can be the sliding parts such as roller.
By scheme of the present utility model, when regulating bed surface height, bed surface does not have displacement fluctuation in the horizontal direction.On the one hand, can eliminate the sense of rocking of human body in bed surface adjustment process.Lower to putting the space requirement of a body on the other hand, that is, two of bed is without reserved larger safe space, because the object that bed surface can not put with side in adjustment process bumps.And, by scheme of the present utility model, can realize the bed surface of low Low Level, bed surface, when minimum altitude, also can be realized the tilt function of bed surface.
Providing previous description of the present disclosure is for making any person skilled in the art all can make or use the disclosure.To various modifications of the present disclosure, will be all apparent for a person skilled in the art, 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 is not intended to be defined to example described herein and design, but should be awarded the widest scope consistent with principle disclosed herein and novel features.

Claims (10)

1. a bed surface vertical lifting mechanism, is characterized in that, comprising:
Be located at the first slide block and second 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 are hinged, and the second end points of described first connecting rod is hinged with the first pin joint resting on the ground;
Second connecting rod, the first end points of described second connecting rod and the first pin joint of described bed surface are hinged, and the second end points of described second connecting rod and the first intermediate node of described first connecting rod are hinged;
The first actuator, described the first actuator is coupled to described first connecting rod to drive described first connecting rod;
Third connecting rod, the first end points of described third connecting rod and the second slide block of described bed surface are hinged, and the second end points of described third connecting rod is hinged with the second pin joint resting on the ground;
The 4th connecting rod, the first end points of described the 4th connecting rod and the second pin joint of described bed surface are hinged, and the second end points of described the 4th connecting rod and the first intermediate node of described third connecting rod are hinged; And
The second actuator, described the second actuator is coupled to described third connecting rod to drive described third connecting rod,
Wherein, the length from the first intermediate node to the first end points from first length of intermediate node to the first end points and the length of described second connecting rod, described third connecting rod of described first connecting rod and described the 4th connecting rod equal in length, and double-pointed equal in length from the first intermediate node to the from the double-pointed length of the first intermediate node to the and described third connecting rod of described first connecting rod
The first pin joint wherein resting on the ground and at least one in the second pin joint are to move on the ground the changing slide block of the distance between the first pin joint and the second pin joint.
2. bed surface vertical lifting mechanism as claimed in claim 1, is characterized in that, described can to move on the ground to change the slide block of the distance between the first pin joint and the second pin joint be roller.
3. bed surface vertical lifting mechanism as claimed in claim 1, is characterized in that, the length from the first intermediate node to the first end points of described first connecting rod and described first connecting rod double-pointed equal in length from the first intermediate node to the.
4. bed surface vertical lifting mechanism as claimed in claim 1, it is characterized in that, described the first actuator comprises the first expansion link, and the first end points and the described bed surface of described the first expansion link are hinged, the second end points of described the first expansion link and the second intermediate node of described first connecting rod are hinged, and
Described the second actuator comprises the second expansion link, and the first end points and the described bed surface of described the second expansion link are hinged, and the second end points of described the second expansion link and the second intermediate node of described third connecting rod are hinged.
5. bed surface vertical lifting mechanism as claimed in claim 4, it is characterized in that, the first end points of described the first expansion link is hinged at described the first pin joint and the described bed surface of described bed surface, and the first end points of described the second expansion link is hinged at described the second pin joint and the described bed surface of described bed surface.
6. the bed with bed surface vertical lift, is characterized in that, comprising:
Bed surface, described bed surface is provided with the first slide block and the second slide block, the first slide block of described bed surface and the first end of first connecting rod are point articulated, the second end points of described first connecting rod is hinged with the first pin joint resting on the ground, the first intermediate node of described first connecting rod and the second end points of second connecting rod are hinged, the first end points of described second connecting rod and the first pin joint of described bed surface are hinged, described first connecting rod is coupled to the first actuator, the second slide block of described bed surface and the first end of third connecting rod are point articulated, the second end points of described third connecting rod is hinged with the second pin joint resting on the ground, the second end points of the first intermediate node of described third connecting rod and the 4th connecting rod is hinged, the first end points of described the 4th connecting rod and the second pin joint of described bed surface are hinged, described third connecting rod is coupled to the second actuator,
Wherein, the length from the first intermediate node to the first end points from first length of intermediate node to the first end points and the length of described second connecting rod, described third connecting rod of described first connecting rod and described the 4th connecting rod equal in length, and double-pointed equal in length from the first intermediate node to the from the double-pointed length of the first intermediate node to the and described third connecting rod of described first connecting rod
The first pin joint wherein resting on the ground and at least one in the second pin joint are to move on the ground the changing slide block of the distance between the first pin joint and the second pin joint.
7. bed as claimed in claim 6, is characterized in that, described can to move on the ground to change the slide block of the distance between the first pin joint and the second pin joint be roller.
8. bed as claimed in claim 6, is characterized in that, the length from the first intermediate node to the first end points of described first connecting rod and described first connecting rod double-pointed equal in length from the first intermediate node to the.
9. as claimed in claim 6, it is characterized in that, described the first actuator comprises the first expansion link, and the first end points and the described bed surface of described the first expansion link are hinged, the second end points of described the first expansion link and the second intermediate node of described first connecting rod are hinged, and
Described the second actuator comprises the second expansion link, and the first end points and the described bed surface of described the second expansion link are hinged, and the second end points of described the second expansion link and the second intermediate node of described third connecting rod are hinged.
10. as claimed in claim 9, it is characterized in that, the first end points of described the first expansion link is hinged at described the first pin joint and the described bed surface of described bed surface, and the first end points of described the second expansion link is hinged at described the second pin joint and the described bed surface of described bed surface.
CN201420272511.4U 2014-05-26 2014-05-26 Bed-surface vertically lifting mechanism and bed with same Active CN203852505U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105266993A (en) * 2014-05-26 2016-01-27 美固龙金属制品(中国)有限公司 Bed-surface vertically lifting mechanism and bed with same
CN105287129A (en) * 2015-10-20 2016-02-03 江苏赛康医疗设备有限公司 Multifunctional medical bed
CN105752882A (en) * 2016-04-28 2016-07-13 巢湖学院 Multifunctional lifting platform device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105266993A (en) * 2014-05-26 2016-01-27 美固龙金属制品(中国)有限公司 Bed-surface vertically lifting mechanism and bed with same
CN105287129A (en) * 2015-10-20 2016-02-03 江苏赛康医疗设备有限公司 Multifunctional medical bed
CN105287129B (en) * 2015-10-20 2018-08-10 江苏赛康医疗设备股份有限公司 A kind of multifunctional medicinal bed
CN105752882A (en) * 2016-04-28 2016-07-13 巢湖学院 Multifunctional lifting platform device
CN105752882B (en) * 2016-04-28 2018-07-27 巢湖学院 A kind of multifunctional lifting platform device

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