CN110742751A - Double-shear non-translation vertical lifting structure - Google Patents
Double-shear non-translation vertical lifting structure Download PDFInfo
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- CN110742751A CN110742751A CN201911030290.3A CN201911030290A CN110742751A CN 110742751 A CN110742751 A CN 110742751A CN 201911030290 A CN201911030290 A CN 201911030290A CN 110742751 A CN110742751 A CN 110742751A
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- rod
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- force arm
- bed frame
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- 230000001154 acute effect Effects 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
- A61G7/012—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame raising or lowering of the whole mattress frame
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
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- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention provides a double-scissor non-translation vertical lifting structure, which adopts a structural form of double scissors, wherein a first scissor force arm and a second scissor force arm which are crossed by the scissors are respectively arranged at the left end and the right end between a base and a bed frame, an electric telescopic rod drives one end of a connecting rod to rotate around a supporting rod, and a pin shaft at the other end of the connecting rod is used for fixing the included angle of a first short rod and a second short rod to change along with the rotation of the connecting rod, so that the first scissor force arm and the second scissor force arm are supported to be opened or clamped, and the purpose of lifting or lowering the bed frame is realized.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a double-scissor non-translation vertical lifting structure.
Background
The medical sickbed generally has the functions of folding and lifting adjustment so as to facilitate the operation of carrying, but the existing general lifting function has a more complex mechanical structure, the operation is very complex, and the aim of lifting at low cost cannot be met.
Disclosure of Invention
The invention provides a double-scissor non-translation vertical lifting structure, which can directly realize the lifting purpose of a bed frame by controlling the extension and retraction of an electric telescopic rod and is simple to operate.
The technical scheme of the invention is realized as follows:
a double-shear non-translation vertical lifting structure comprises a bed frame 1 and a base 4 which are respectively arranged up and down, wherein two first shear force arms 2 and two second shear force arms 3 are respectively arranged, are fixed by pin shafts and are arranged on the left side and the right side between the bed frame 1 and the base 4 in a cross way, the top ends of the two first shear force arms 2 are respectively arranged on a first shaft lever 9 through pin shaft seats, and the bottom ends of the two first shear force arms 2 are respectively arranged on the base 4 through pin shaft seats; the top ends of the two second scissors force arms 3 are respectively arranged on the bed frame 1 through pin shaft seats, and the bottom ends of the two second scissors force arms 3 are respectively arranged on the second shaft lever 7 through pin shaft seats; the left side and the right side of the base 4 are respectively provided with a base sliding groove 6, the left side and the right side of the bed frame 1 are respectively provided with a bed frame sliding groove 8, two ends of the first shaft lever 9 are respectively arranged in the two bed frame sliding grooves 8 in a matched mode to slide, and two ends of the second shaft lever 7 are respectively arranged in the two base sliding grooves 6 in a matched mode to slide;
an electric telescopic rod 5 is fixed on the bed frame 1 through a pin shaft seat, and two ends of a supporting rod 11 respectively penetrate through two second scissor force arms 3 to be rotatably connected; the support rod 11 penetrates through one end of the connecting rod 12, and the other end of the connecting rod 12 is fixed at the telescopic end of the electric telescopic rod 5 through a pin shaft seat; and the other end of the connecting rod 12 is also connected with one end of the second short rod 10 through a pin shaft, and the other end of the second short rod 10 is fixed on the first scissor force arm 2 through a pin shaft respectively.
Preferably, the connecting positions of the two ends of the supporting rod 11 and the second scissors force arm 3 are positioned above the intersection of the first scissors force arm 2 and the second scissors force arm 3; the connecting position of the second short rod 10 and the first scissors force arm 2 is positioned below the intersection of the first scissors force arm 2 and the second scissors force arm 3.
Preferably, the other end of the connecting rod 12 is further connected with one end of the first short rod 13 through a pin, and the other end of the first short rod 13 is fixedly connected with the supporting rod 11.
Preferably, two ends of the support rod 11 are respectively fixed to one side of one end of each of the two first short rods 13, and a fixed pin shaft on the other side of one end of each of the first short rods 13 passes through the second scissor force arm 3; the other ends of the two first short rods 13 are respectively connected with one ends of two second short rods 10 through pin shaft connections, and the other ends of the second short rods 10 are connected with the first scissor force arm 2 through pin shafts; the pin shaft at the joint of one second short rod 10 and one first short rod 13 on one side is fixed on the connecting rod 12.
Preferably, a handle 14 is mounted on the base 1.
Preferably, the base 1 is provided with rollers 15.
The invention has the following beneficial effects: the invention adopts a double-scissor structural form, a first scissor force arm and a second scissor force arm which are crossed with scissors are respectively arranged at the left end and the right end between a base and a bed frame, one end of a connecting rod is driven to rotate around a supporting rod through an electric telescopic rod, the included angle between a first short rod and a second short rod is fixed through a pin shaft at the other end of the connecting rod and is changed along with the rotation of the connecting rod, and then the first scissor force arm and the second scissor force arm are supported to be opened or clamped, so that the purpose of ascending or descending the bed frame is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic side view of the lowest descending bed frame of the present invention.
Fig. 2 is a schematic side view of the bed frame of the present invention as it rises to its maximum.
Fig. 3 is a schematic perspective view of the bed frame of the present invention when it is raised to the highest position.
Fig. 4 is a partially enlarged view of the bed frame of the present invention when it is raised to the highest position.
Fig. 5 is a schematic perspective view of the bed frame of the present invention when it is raised to the highest position.
Fig. 6 is an enlarged partial view of the lowest possible bed frame of the present invention.
Fig. 7 is an exploded view of the structure of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-7, a double-shear non-translational vertical lifting structure comprises a bed frame 1 and a base 4 which are respectively arranged up and down, wherein two first shear force arms 2 and two second shear force arms 3 are respectively arranged, and are fixed by pin shafts in a cross manner at the left side and the right side between the bed frame 1 and the base 4, the top ends of the two first shear force arms 2 are respectively installed on a first shaft lever 9 through pin shaft seats, and the bottom ends of the two first shear force arms 2 are respectively installed on the base 4 through pin shaft seats; the top ends of the two second scissors force arms 3 are respectively arranged on the bed frame 1 through pin shaft seats, and the bottom ends of the two second scissors force arms 3 are respectively arranged on the second shaft lever 7 through pin shaft seats; the left side and the right side of the base 4 are respectively provided with a base sliding groove 6, the left side and the right side of the bed frame 1 are respectively provided with a bed frame sliding groove 8, two ends of the first shaft lever 9 are respectively arranged in the two bed frame sliding grooves 8 in a matched mode to slide, and two ends of the second shaft lever 7 are respectively arranged in the two base sliding grooves 6 in a matched mode to slide; an electric telescopic rod 5 is fixed on the bed frame 1 through a pin shaft seat, and two ends of a supporting rod 11 respectively penetrate through two second scissor force arms 3 to be rotatably connected; the support rod 11 penetrates through one end of the connecting rod 12, and the other end of the connecting rod 12 is fixed at the telescopic end of the electric telescopic rod 5 through a pin shaft seat; and the other end of the connecting rod 12 is also connected with one end of the second short rod 10 through a pin shaft, and the other end of the second short rod 10 is fixed on the first scissor force arm 2 through a pin shaft respectively.
In the embodiment, the connecting positions of the two ends of the supporting rod 11 and the second scissors force arm 3 are positioned above the intersection part of the first scissors force arm 2 and the second scissors force arm 3; the connecting position of the second short rod 10 and the first scissors force arm 2 is positioned below the intersection of the first scissors force arm 2 and the second scissors force arm 3. Preferably, the other end of the connecting rod 12 is further connected with one end of a first short rod 13 through a pin shaft, and the other end of the first short rod 13 is fixedly connected with the supporting rod 11; two ends of the support rod 11 are respectively fixed on one side of one end of each of the two first short rods 13, and a fixed pin shaft on the other side of one end of each of the first short rods 13 penetrates through the second scissor force arm 3; the other ends of the two first short rods 13 are respectively connected with one ends of two second short rods 10 through pin shaft connections, and the other ends of the second short rods 10 are connected with the first scissor force arm 2 through pin shafts; the pin shaft at the joint of one second short rod 10 and one first short rod 13 on one side is fixed on the connecting rod 12.
In this embodiment, the bed is in a normal state, and the whole bed is in a folded state, as shown in fig. 5. The included angle between the crossed angle of the first scissor force arm 2 and the second scissor force arm 3 and the horizontal plane is the minimum, the first scissor force arm and the second scissor force arm are approximately in a superposition state, and the distance between the bed frame 1 and the base 4 is the minimum. At this time, the telescopic length of the electric telescopic rod 5 is the minimum, one end of the connecting rod 12 passes through the supporting rod 11, the other end faces one side of the electric telescopic rod 5, and the included angle between the first short rod 13 and the second short rod 10 is in a small acute angle state.
When the bed frame needs to be lifted, the electric telescopic rod 5 is opened, the telescopic rod is shortened, one end of the connecting rod 12 is pushed to rotate around the supporting rod 11, and the other end of the connecting rod 12 rotates towards one side far away from the electric telescopic rod 5. At this moment, the included angle between the first short rod 13 and the second short rod 10 gradually increases, and the other ends of the first short rod 13 and the second short rod 10 are respectively connected to the first scissors force arm 2 and the second scissors force arm 3, so as to push the first scissors force arm 2 and the second scissors force arm 3 to rotate around the pin shaft at the joint of the first scissors force arm and the second scissors force arm, and then the bed frame is stretched to the maximum value, and is at the highest rising position, namely, in the state shown in fig. 3. In the process, the bottom end of the first scissor force arm 2 is rotationally fixed on the base 4, the top end of the second scissor force arm 3 is also rotationally fixed on the bed frame 1, the other ends of the first scissor force arm and the second scissor force arm are respectively connected to the first shaft rod 9 and the second shaft rod 7 through pin shaft seats, and the two ends of the first shaft rod 9 and the second shaft rod 7 are respectively installed in the bed frame sliding groove 8 and the base sliding groove 6 and can respectively slide along the sliding grooves. Therefore, when the first scissors force arm 2 and the second scissors force arm 3 rotate around the pin shaft at the joint, one end of the first scissors force arm is fixed, and the other end of the first scissors force arm slides along the corresponding sliding groove through the shaft rod, so that the purpose of lifting the bed frame is realized.
On the contrary, if need descend the bed frame, only need make the telescopic link shorten through opening electric telescopic handle 5, when first scissors arm of force 2 and second scissors arm of force 3 were around its junction round pin axle antiport, because one end is fixed, the other end passes through the axostylus axostyle respectively along its spout that corresponds and the mesh that realizes the bed frame and descends.
Wherein, install handle 14 on the base 1 in this embodiment, install gyro wheel 15, can conveniently remove. The cooperation of first axle bar 9 and second axle bar 7 respectively with bed frame spout 8 and base spout 6 can adopt the mode or other modes at first axle bar 9 and the installation slide rail of second axle bar 7, as long as can realize all in the protection category of this application of gliding other means in the spout, and the repeated description is no longer given here.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The double-shear non-translation vertical lifting structure is characterized by comprising a bed frame (1) and a base (4) which are arranged up and down respectively, wherein two first shear force arms (2) and two second shear force arms (3) are arranged respectively, are fixedly arranged on the left side and the right side between the bed frame (1) and the base (4) in a cross way through pin shafts, the top ends of the two first shear force arms (2) are arranged on a first shaft lever (9) through pin shaft seats respectively, and the bottom ends of the two first shear force arms (2) are arranged on the base (4) through the pin shaft seats respectively; the top ends of the two second scissors force arms (3) are respectively arranged on the bed frame (1) through pin shaft seats, and the bottom ends of the two second scissors force arms (3) are respectively arranged on the second shaft lever (7) through pin shaft seats; the left side and the right side of the base (4) are respectively provided with a base sliding chute (6), the left side and the right side of the bed frame (1) are respectively provided with a bed frame sliding chute (8), two ends of the first shaft rod (9) are respectively arranged in the two bed frame sliding chutes (8) in a matched mode to slide, and two ends of the second shaft rod (7) are respectively arranged in the two base sliding chutes (6) in a matched mode to slide;
an electric telescopic rod (5) is fixed on the bed frame (1) through a pin shaft seat, and two ends of a supporting rod (11) respectively penetrate through two second scissor force arms (3) to be rotatably connected; the supporting rod (11) penetrates through one end of the connecting rod (12), and the other end of the connecting rod (12) is fixed at the telescopic end of the electric telescopic rod (5) through a pin shaft seat; and the other end of the connecting rod (12) is also connected with one end of the second short rod (10) through a pin shaft, and the other end of the second short rod (10) is fixed on the first shear force arm (2) through a pin shaft respectively.
2. The double-scissor non-translation vertical lifting structure as claimed in claim 1, wherein the connection position of the two ends of the support rod (11) and the second scissor force arm (3) is located above the intersection of the first scissor force arm (2) and the second scissor force arm (3); the connecting position of the second short rod (10) and the first scissors force arm (2) is positioned below the intersection of the first scissors force arm (2) and the second scissors force arm (3).
3. A double-shear non-translational vertical lifting structure as defined in claim 1 or 2, wherein the other end of the connecting rod (12) is further connected with one end of the first short rod (13) through a pin shaft, and the other end of the first short rod (13) is fixedly connected with the supporting rod (11).
4. A double-shear non-translational vertical lifting structure as claimed in claim 3, wherein both ends of the supporting rod (11) are respectively fixed to one side of one end of two first short rods (13), and the other side of one end of the first short rod (13) is fixed with a pin shaft which passes through the second shear force arm (3); the other ends of the two first short rods (13) are respectively connected with one ends of two second short rods (10) through pin shaft connections, and the other ends of the second short rods (10) are connected with the first shear force arm (2) through pin shafts; the pin shaft at the joint of one second short rod (10) and one first short rod (13) on one side is fixed on the connecting rod (12).
5. A double-shear non-translational vertical lift structure as claimed in claim 1, wherein said base (1) is provided with a handle (14).
6. A double-shear non-translational vertical lift structure as claimed in claim 1, wherein said base (1) is provided with rollers (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911030290.3A CN110742751A (en) | 2019-10-28 | 2019-10-28 | Double-shear non-translation vertical lifting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911030290.3A CN110742751A (en) | 2019-10-28 | 2019-10-28 | Double-shear non-translation vertical lifting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110742751A true CN110742751A (en) | 2020-02-04 |
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ID=69280379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911030290.3A Pending CN110742751A (en) | 2019-10-28 | 2019-10-28 | Double-shear non-translation vertical lifting structure |
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| Country | Link |
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| CN (1) | CN110742751A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0601704D0 (en) * | 2006-01-27 | 2006-03-08 | Genie Care | Bed lifting apparatus |
| CN101244007A (en) * | 2007-02-13 | 2008-08-20 | 西门子公司 | lifting device |
| CN101711220A (en) * | 2008-03-04 | 2010-05-19 | 八乐梦床业有限公司 | X link lifting mechanism |
| CN109363875A (en) * | 2018-10-30 | 2019-02-22 | 厚福医疗装备有限公司 | A medical device with scissor lift mechanism |
| CN211356351U (en) * | 2019-10-28 | 2020-08-28 | 厚福医疗装备有限公司 | Double-shear non-translation vertical lifting structure |
-
2019
- 2019-10-28 CN CN201911030290.3A patent/CN110742751A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0601704D0 (en) * | 2006-01-27 | 2006-03-08 | Genie Care | Bed lifting apparatus |
| CN101244007A (en) * | 2007-02-13 | 2008-08-20 | 西门子公司 | lifting device |
| CN101711220A (en) * | 2008-03-04 | 2010-05-19 | 八乐梦床业有限公司 | X link lifting mechanism |
| CN109363875A (en) * | 2018-10-30 | 2019-02-22 | 厚福医疗装备有限公司 | A medical device with scissor lift mechanism |
| CN211356351U (en) * | 2019-10-28 | 2020-08-28 | 厚福医疗装备有限公司 | Double-shear non-translation vertical lifting structure |
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