CN201510453U - Leg flexion and extension mechanism of nursing bed - Google Patents
Leg flexion and extension mechanism of nursing bed Download PDFInfo
- Publication number
- CN201510453U CN201510453U CN2009202088539U CN200920208853U CN201510453U CN 201510453 U CN201510453 U CN 201510453U CN 2009202088539 U CN2009202088539 U CN 2009202088539U CN 200920208853 U CN200920208853 U CN 200920208853U CN 201510453 U CN201510453 U CN 201510453U
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Abstract
The utility model relates to a leg flexion and extension mechanism of a nursing bed. The leg flexion and extension mechanism includes a bed board, a bed frame, a linear push rod, a leg flexion and extension mechanism, wherein the linear push rod and the leg flexion and extension mechanism are arranged below the bed board; the bed board consists of a flexible leg section and a feet section; the flexible leg section is hinged with the bed frame; the feet section is not hinged with the bed frame; the flexible leg section is movably hinged with the feet section through bolts; the flexible leg section is supported by the leg flexion and extension device and can bend in the length direction of the bed; and the feet section can be driven by the leg flexion and extension device to move up and down. The leg flexion and extension mechanism overcomes the disadvantages of the leg flexion and extension mechanism in movement function of the present nursing bed, and can achieve stable leg flexion and extension movement, thereby changing the posture of bedridden patients between prone position and sitting position.
Description
Technical field
This utility model relates to the leg mechanism that bends and stretches of service robot technical field, particularly nursing bed.
Background technology
Nursing bed is a kind of service robot, by means of its service, can improve bed old man or patient self-care ability, alleviate nursing staff's working strength and reduce kinsfolk's trouble and worry.Along with people improve constantly in the life-span, aging population is more and more in the society, and is also more and more to the demand of nursing bed.Along with the development and the social concern to old man and bed patient of technology, functional nursing bed is more and more, and they provide all convenience for old man or bed patient's life and treatment.
At present, nursing bed mainly contains following two types: a kind of is that the appropriate section that adopts the electronic or manual mode mode by driving-chain to drive bed board produces motion, thereby human body is in sit or crouches etc. posture; Another kind is to adopt servomotor to slow down through decelerator to increase square rear drive linkage, drives the appropriate section motion of bed board, realizes the conversion of position between human body sitting posture and the prone position.
Yet, bending and stretching leg mechanism in the above-mentioned existing nursing bed, the shank bed board when upwards bending one's legs is for being rigidly connected, and the patient in use is easy to generate the sensation of extruding.
Bend and stretch leg mechanism because the price of servomotor is more expensive for what adopt driven by servomotor, make its cost too high, be difficult to promote.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of leg mechanism that bends and stretches of nursing bed, improves and bends and stretches the comfortableness that leg mechanism uses, and reduces the cost of product, and helps the popularization of bending and stretching leg mechanism of nursing bed.
For solving the problems of the technologies described above, the invention provides a kind of leg mechanism that bends and stretches of nursing bed, comprise: bed board, bedstead, linear push rod, bend and stretch leg device, described linear push rod and describedly bend and stretch the below that leg device is arranged at described bed board; Described bed board is made of the flexible bed board of shank and foot's bed board; Flexible bed board of described shank and described bedstead are hinged, and foot's bed board and bedstead do not have hinged; Be movably hinged with bolt between the flexible bed board of described shank and the foot's bed board; Described shank bed board bends and stretches that leg device supports and can be along the bending of bed length direction by described; Described foot bed board can oscilaltion under described drive of bending and stretching leg device.
Optionally, the described leg device that bends and stretches comprises: first bend one's legs side link, second bend one's legs side link, the 3rd bend one's legs side link, curve front end, curve rear end, curve connecting rod, curve link bolt, rotational support plate, first bend one's legs connecting rod, second bend one's legs connecting rod, the 3rd bend one's legs connecting rod, correcting roller, roller and the foot's bed board extension board; Described first bend one's legs side link one end and the bedstead is hinged, its other end is welded on an end of curve front end, the other end of curve front end is slidingly connected by the curve chute on curve link bolt and the curve rear end, the bend one's legs end welding of connecting rod of curve rear end and first, above-mentioned first other end that bends one's legs connecting rod is connected with foot bed board one side, the shank bed board is connected with the curve rear end with the curve front end respectively, and described curve connecting rod one end and curve front end are slidingly connected, and its other end is articulated in the curve rear end; Described second bend one's legs side link one end and the bedstead is hinged, and a bend one's legs end of connecting rod of its other end and second is slidingly connected; The two ends of described rotational support plate are slidingly connected with second side link that bends one's legs respectively; Above-mentioned second other end that bends one's legs connecting rod is articulated in the middle part of foot bed board bottom, and described foot bed board extension board is welded on the bottom of foot's bed board, and a side of this foot's bed board extension board and second side link that bends one's legs is rotationally connected; The described the 3rd bends one's legs, and side link is approximate is " Y " font, and the 3rd an end bifurcated that bends one's legs side link is two links, and an end of its other end and linear push rod is rotationally connected; The above-mentioned the 3rd link that bends one's legs side link is connected with the correcting roller, and a bend one's legs end of connecting rod of its another link and the 3rd is rotationally connected; The other end of above-mentioned linear push rod is welded on the bedstead; Above-mentioned correcting roller and second side link that bends one's legs rolls and to be connected; The above-mentioned the 3rd other end and the roller that bends one's legs connecting rod rolls and is connected, and the 3rd bends one's legs is provided with baffle plate in the connecting rod, makes it can only be around the 3rd unidirectional rotation of side link that bends one's legs; Roll and to be connected in the bend one's legs bottom of side link of above-mentioned roller and first; The above-mentioned the 3rd middle part that bends one's legs side link is hinged on the bedstead.
Optionally, described first side link that bends one's legs comprises hinged end, welding ends and elongated end, and described hinged end, welding ends and elongated end are connected successively; Above-mentioned hinged end is provided with a hinge hole, by this hinge hole first side link that bends one's legs is articulated on the bedstead, and above-mentioned welding ends is welded on the curve front end, and above-mentioned elongated end rolls with roller and is connected.
Optionally, described second side link that bends one's legs comprises bolt hole, U type groove, shifting chute, first chute, second chute and straight line tangent arc chute; Described bolt hole and U type groove are separately positioned on second both sides that bend one's legs side link upper end, described straight line tangent arc chute is provided with along second base that bends one's legs side link, described first chute and second chute all are arranged on second middle part that bends one's legs side link, the two chutes segment distance of being separated by, described shifting chute is arranged on the top of second chute; By above-mentioned bolt hole with second bend one's legs side link and the bedstead active link, one side of above-mentioned foot bed board extension board is inserted in the U type groove by pin, above-mentioned second end that bends one's legs connecting rod inserts in the shifting chute, slide along shifting chute, insert respectively in first chute and second chute at the two ends of above-mentioned rotational support plate, and above-mentioned correcting roller inserts in the straight line tangent arc chute with the second side link rolling that bends one's legs and is connected.
Optionally, the flexible bed board of the described shank rotation amplitude that makes progress is 0 °～30 °, and the amplitude of rotating is 0 °～50 °.
Optionally, described bed board, described bedstead, described linear push rod and/or the described drive link that bends and stretches in the leg device adopt the metal material manufacturing respectively.
Optionally, described bed board, described bedstead, described linear push rod and/or the described drive link that bends and stretches in the leg device adopt the composite manufacturing respectively.
Optionally, the standard component of described hinged employing screw bolt and nut.
Compared to prior art, the utlity model has following advantage:
(1) changed being rigidly connected of the existing function that bends one's legs, adopted the method that is flexible coupling, realized that the safe lower limb that bends and stretches moves, and has improved patient's comfortableness in use;
(2), also has the function of adjusting the position of stopping over except having the function that bends one's legs or stretch one's legs and correspondingly bend or stretch with the patient;
(3) replaced servomotor with linear push rod, used plane hinge mechanism, and drive mechanism, frame, bed board framework etc. adopt metal material and composite manufacturing, hinged selection standard spare screw bolt and nut, greatly reduce production cost, helped the popularization and the industrialization production of product.
Description of drawings
Fig. 1 is the structural representation that bends and stretches the leg mechanism embodiment of this utility model nursing bed.
Fig. 2 is first structural representation that bends one's legs side link among Fig. 1.
Fig. 3 is second structural representation that bends one's legs side link among Fig. 1.
Fig. 4 is the structural representation of foot's bed board among Fig. 1.
The specific embodiment
This utility model provides a kind of leg mechanism that bends and stretches of nursing bed, comprises: bed board, bedstead, linear push rod, bend and stretch leg device; Wherein, described bed board is made of the flexible bed board of shank and foot's bed board; Flexible bed board of described shank and described bedstead are hinged, and foot's bed board and bedstead do not have hinged; Be movably hinged with bolt between the flexible bed board of described shank and the foot's bed board; The flexible bed board of described shank bends and stretches that leg device supports and can be along the bending of bed length direction by described; Described foot bed board can oscilaltion under described drive of bending and stretching leg device; Described linear push rod and describedly bend and stretch the below that leg device is arranged at described bed board.
Below in conjunction with the drawings and specific embodiments, the leg mechanism embodiment that bends and stretches of this utility model nursing bed is elaborated.
With reference to figure 1, the described leg mechanism that bends and stretches comprises: comprise first bend one's legs side link 1, second bend one's legs side link the 5, the 3rd bend one's legs side link 3, curve front end 4, curve rear end 5, curve connecting rod 6, curve link bolt 7, rotational support plate 8, first bend one's legs connecting rod 9, second bend one's legs connecting rod the 10, the 3rd bend one's legs connecting rod 11, correcting roller 12, roller 13, foot's bed board extension board 14, linear push rod 15, the flexible bed board 16 of shank, foot's bed board 17 and the bedstead 188.
Referring to Fig. 2, described first side link 1 that bends one's legs comprises hinged end 1A, welding ends 1B and elongated end 1C, and described hinged end 1A, welding ends 1B are connected successively with elongated end 1C, and above-mentioned hinged end 1A is provided with a hinge hole 1D.
As described in Figure 3, described second side link 2 that bends one's legs comprises bolt hole 26, U type groove 21, shifting chute 22, first chute 23, second chute 24 and straight line tangent arc chute 25.
Described bolt hole 26 and U type groove 21 are separately positioned on second both sides that bend one's legs side link 2 upper ends, described straight line tangent arc chute 25 is provided with along second base that bends one's legs side link 2, described first chute 23 and second chute 24 all are arranged on second middle part that bends one's legs side link 2, the two chutes segment distance of being separated by, described shifting chute 22 is arranged on the top of second chute 24.
As shown in Figure 4, described foot bed board extension board 14 is welded on the bottom of foot's bed board 17, one side of described foot bed board 17 is provided with bolt hole 171, hinged by the flexible bed board of bolt and shank 16, above-mentioned foot bed board extension board 14 also is provided with a hole 141 in the same side, be rotationally connected by the bend one's legs U type groove 21 of side link 2 of pin and second.
As Fig. 1～shown in Figure 4, described first the bend one's legs hinged end 1A and the bedstead 18 of side link 1 is hinged, the first welding ends 1B that bends one's legs side link 1 is welded on an end of curve front end 4, the other end of curve front end 4 is slidingly connected by the curve chute 51 on curve link bolt 7 and the curve rear end 5, the bend one's legs end welding of connecting rod 9 of curve rear end 5 and first, first other end that bends one's legs connecting rod 9 is connected with the bolt hole 41 of foot bed board 17 1 sides by bolt, the flexible bed board 16 of shank is connected with curve rear end 5 with curve front end 4 respectively by bolt, in the chute 41 on the described curve connecting rod 6 one ends insertion curve front end 4, its other end is articulated in curve rear end 5 by pin 61.
Described second the bend one's legs bolt hole 26 of side link 2 is hinged by bolt and bedstead 18, the two ends of described rotational support plate 8 are slidingly connected by bend one's legs first chute 23 and second chute 24 of side link 2 of pin 81 and 82 and second respectively, above-mentioned rotational support plate 8 can move along second length direction that bends one's legs side link 2, described second connecting rod 10 1 ends that bend one's legs are slidingly connected by the bend one's legs shifting chute 22 of side link 2 of pin and second, its other end is articulated in the middle part of foot's bed board 17 bottoms, and the hole 141 of described foot bed board extension board 14 is rotationally connected by the bend one's legs U type groove 21 of side link 2 of pin and second.
The described the 3rd bends one's legs, and side link 3 is approximate is " Y " font, and the 3rd an end bifurcated that bends one's legs side link 3 is two links, and an end of its other end and linear push rod 15 is rotationally connected; The above-mentioned the 3rd link that bends one's legs side link 3 is connected with correcting roller 12 by bolt, and its another link is rotationally connected by a bend one's legs end of connecting rod 11 of bolt and the 3rd; The other end of above-mentioned linear push rod 15 is welded on (not shown) on the bedstead 18; Above-mentioned correcting roller 12 inserts second and bends one's legs in the straight line tangent arc chute 25 of side link 2, and this correcting roller 12 can roll along straight line tangent arc chute 25; The above-mentioned the 3rd other end that bends one's legs connecting rod 11 is connected with roller 13 by bolt, and the 3rd bends one's legs is provided with baffle plate in the connecting rod 11, makes them can only be around the 3rd side link 3 unidirectional rotations that bend one's legs; The bend one's legs elongated end 1C of side link 1 of above-mentioned roller 13 and first rolls and to be connected.The above-mentioned the 3rd middle part that bends one's legs side link 3 is articulated on the bedstead 18.
In the course of the work, when linear push rod did not promote, the described leg device that bends and stretches kept initial position, and the flexible bed board of shank is in level.
When linear push rod extends, the 3rd side link that bends one's legs rotates counterclockwise with the pin joint of bedstead around its middle part, the correcting roller bends one's legs under the drive of side link the 3rd, bend one's legs second and to roll along arc end in the straight line tangent arc chute of side link, therefore, make second side link that bends one's legs rotate to direction away from the flexible bed board of shank around the pin joint of itself and bedstead.
At this moment, foot's bed board bends one's legs in the process that side link is moved second, and level descends; And second the pin that bends one's legs connecting rod one end bend one's legs along second and move in the shifting chute of side link, and promote the rotational support plate and move backward, to finish the process that bends one's legs and descend.
And when linear push rod shortens, the 3rd side link that bends one's legs clockwise rotates with the pin joint of bedstead around its middle part, bend one's legs in the straight line tangent arc chute of side link along the rectilinear end setting in motion second with the 3rd bend one's legs correcting roller that side link one end is connected, make second side link that bends one's legs keep level, do not move, and the rotational support plate also is subjected to the restriction of correcting roller motion, is not moved.At this moment, the 3rd bends one's legs connecting rod because the effect of baffle plate, bend one's legs side link and along with the 3rd side link that bends one's legs rotates together of unidirectional locking the 3rd; The 3rd bends one's legs connecting rod by roller and the first side link extension that bends one's legs, and drives first side link that bends one's legs and rotates around the pin joint of itself and bedstead; Curve front end and curve rear end interconnect by screw, and curve connecting rod one end moves in the chute of curve leading portion, and the other end is around its pin joint rotation with the curve rear end; The curve link bolt of curve front end moves in the curve chute of curve rear end, and the pin on foot's bed board extension board has broken away from the second U type groove that bends one's legs side link; Second bends one's legs the lower end of connecting rod because the support of rotational support plate, makes second connecting rod end that bends one's legs rotate in second chute that bends one's legs above the side link around the rotational support plate; Second bends one's legs the side link front end around the rotation of the pin joint in the middle part of foot's bed board, makes the flexible bed board of shank and foot's bed board be bent upwards, and forms curve.
Wherein, the flexible bed board of the described shank rotation amplitude that makes progress is 0 °～30 °, and the amplitude of rotating is 0 °～50 °.
Drive mechanism of the present utility model, bedstead, bed board framework adopt metal material and/or composite manufacturing, the hinged standard component such as screw bolt and nut of selecting for use, and technology is easy, is beneficial to the popularization and the large-scale production of product.
Though this utility model by the preferred embodiment explanation as above, these preferred embodiments are not in order to limit this utility model.Those skilled in the art in not breaking away from spirit and scope of the present utility model, should have the ability various corrections and additional are made in this preferred embodiment, and therefore, protection domain of the present utility model is as the criterion with the scope of claims.
Claims (8)
- A nursing bed bend and stretch leg mechanism, comprise: bed board, bedstead, linear push rod, bend and stretch leg device, described linear push rod and describedly bend and stretch the below that leg device is arranged at described bed board; It is characterized in that,Described bed board is made of the flexible bed board of shank and foot's bed board; Flexible bed board of described shank and described bedstead are hinged, and foot's bed board and bedstead do not have hinged; Be movably hinged with bolt between the flexible bed board of described shank and the foot's bed board;Described shank bed board bends and stretches that leg device supports and can be along the bending of bed length direction by described; Described foot bed board can oscilaltion under described drive of bending and stretching leg device.
- Nursing bed as claimed in claim 1 bend and stretch leg mechanism, the described leg device that bends and stretches comprises: first bend one's legs side link, second bend one's legs side link, the 3rd bend one's legs side link, curve front end, curve rear end, curve connecting rod, curve link bolt, rotational support plate, first bend one's legs connecting rod, second bend one's legs connecting rod, the 3rd bend one's legs connecting rod, correcting roller, roller and the foot's bed board extension board;Described first bend one's legs side link one end and the bedstead is hinged, its other end is welded on an end of curve front end, the other end of curve front end is slidingly connected by the curve chute on curve link bolt and the curve rear end, the bend one's legs end welding of connecting rod of curve rear end and first, above-mentioned first other end that bends one's legs connecting rod is connected with foot bed board one side, the shank bed board is connected with the curve rear end with the curve front end respectively, and described curve connecting rod one end and curve front end are slidingly connected, and its other end is articulated in the curve rear end;Described second bend one's legs side link one end and the bedstead is hinged, and a bend one's legs end of connecting rod of its other end and second is slidingly connected; The two ends of described rotational support plate are slidingly connected with second side link that bends one's legs respectively; Above-mentioned second other end that bends one's legs connecting rod is articulated in the middle part of foot bed board bottom, and described foot bed board extension board is welded on the bottom of foot's bed board, and a side of this foot's bed board extension board and second side link that bends one's legs is rotationally connected;The described the 3rd bends one's legs, and side link is approximate is " Y " font, and the 3rd an end bifurcated that bends one's legs side link is two links, and an end of its other end and linear push rod is rotationally connected; The above-mentioned the 3rd link that bends one's legs side link is connected with the correcting roller, and a bend one's legs end of connecting rod of its another link and the 3rd is rotationally connected; The other end of above-mentioned linear push rod is welded on the bedstead; Above-mentioned correcting roller and second side link that bends one's legs rolls and to be connected; The above-mentioned the 3rd other end and the roller that bends one's legs connecting rod rolls and is connected, and the 3rd bends one's legs is provided with baffle plate in the connecting rod, makes it can only be around the 3rd unidirectional rotation of side link that bends one's legs; Roll and to be connected in the bend one's legs bottom of side link of above-mentioned roller and first; The above-mentioned the 3rd middle part that bends one's legs side link is hinged on the bedstead.
- Nursing bed as claimed in claim 2 bend and stretch leg mechanism, described first side link that bends one's legs comprises hinged end, welding ends and elongated end, described hinged end, welding ends and elongated end are connected successively; Above-mentioned hinged end is provided with a hinge hole, by this hinge hole first side link that bends one's legs is articulated on the bedstead, and above-mentioned welding ends is welded on the curve front end, and above-mentioned elongated end rolls with roller and is connected.
- Nursing bed as claimed in claim 2 bend and stretch leg mechanism, described second side link that bends one's legs comprises bolt hole, U type groove, shifting chute, first chute, second chute and straight line tangent arc chute; Described bolt hole and U type groove are separately positioned on second both sides that bend one's legs side link upper end, described straight line tangent arc chute is provided with along second base that bends one's legs side link, described first chute and second chute all are arranged on second middle part that bends one's legs side link, the two chutes segment distance of being separated by, described shifting chute is arranged on the top of second chute;By above-mentioned bolt hole with second bend one's legs side link and the bedstead active link, one side of above-mentioned foot bed board extension board is inserted in the U type groove by pin, above-mentioned second end that bends one's legs connecting rod inserts in the shifting chute, slide along shifting chute, insert respectively in first chute and second chute at the two ends of above-mentioned rotational support plate, and above-mentioned correcting roller inserts in the straight line tangent arc chute with the second side link rolling that bends one's legs and is connected.
- Nursing bed as claimed in claim 1 bend and stretch leg mechanism, the flexible bed board of the described shank rotation amplitude that makes progress is 0 °～30 °, the amplitude of rotating is 0 °～50 °.
- Nursing bed as claimed in claim 1 bend and stretch leg mechanism, described bed board, described bedstead, described linear push rod and/or the described drive link that bends and stretches in the leg device adopt the metal material manufacturing respectively.
- Nursing bed as claimed in claim 1 bend and stretch leg mechanism, described bed board, described bedstead, described linear push rod and/or the described drive link that bends and stretches in the leg device adopt the composite manufacturing respectively.
- 8. nursing bed as claimed in claim 1 bends and stretches leg mechanism, the standard component of described hinged employing screw bolt and nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202088539U CN201510453U (en) | 2009-09-17 | 2009-09-17 | Leg flexion and extension mechanism of nursing bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202088539U CN201510453U (en) | 2009-09-17 | 2009-09-17 | Leg flexion and extension mechanism of nursing bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201510453U true CN201510453U (en) | 2010-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202088539U Expired - Fee Related CN201510453U (en) | 2009-09-17 | 2009-09-17 | Leg flexion and extension mechanism of nursing bed |
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| Country | Link |
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| CN (1) | CN201510453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898007A (en) * | 2014-03-06 | 2015-09-09 | 温州奔龙自动化科技有限公司 | Electric leakage circuit breaker leakage protection function detection device |
-
2009
- 2009-09-17 CN CN2009202088539U patent/CN201510453U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104898007A (en) * | 2014-03-06 | 2015-09-09 | 温州奔龙自动化科技有限公司 | Electric leakage circuit breaker leakage protection function detection device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100623 Termination date: 20120917 |