CN110327163B - Electric lifting stretcher vehicle - Google Patents
Electric lifting stretcher vehicle Download PDFInfo
- Publication number
- CN110327163B CN110327163B CN201910724321.9A CN201910724321A CN110327163B CN 110327163 B CN110327163 B CN 110327163B CN 201910724321 A CN201910724321 A CN 201910724321A CN 110327163 B CN110327163 B CN 110327163B
- Authority
- CN
- China
- Prior art keywords
- plate
- stretcher
- stretcher support
- backboard
- leg
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- 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
- A61G1/00—Stretchers
- A61G1/017—Stretchers convertible into chairs
-
- 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
- A61G1/00—Stretchers
- A61G1/02—Stretchers with wheels
-
- 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
- A61G1/00—Stretchers
- A61G1/04—Parts, details or accessories, e.g. head-, foot-, or like rests specially adapted for stretchers
- A61G1/052—Struts, spars or legs
Landscapes
- Health & Medical Sciences (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)
- Rehabilitation Tools (AREA)
Abstract
The invention discloses an electric lifting stretcher, which comprises: the back plate is hinged to the stretcher support, the front end of the leg plate is hinged to the stretcher support, the leg plate is driven to turn down or be placed flat by the leg plate driving assembly, when the back plate, the hip plate and the leg plate are all arranged on the stretcher support in a horizontal mode, a lying frame for a patient to lie down is formed by the back plate, the hip plate and the leg plate together, and when the back plate is turned up and the leg plate is turned down, a chair for the patient is formed by the back plate, the hip plate and the leg plate together. The invention has the advantage of entering narrow spaces such as elevators.
Description
Technical Field
The invention relates to the technical field of stretcher vehicles, in particular to an electric lifting stretcher vehicle.
Background
When a person is injured, the wounded person is often required to be rotated and treated by a stretcher. The structure of the stretcher used at present comprises: the bottom is provided with the base of gyro wheel, be provided with the stretcher support in the top of base, be provided with an X shape support that is articulated by two bracing and form by X shape between base and stretcher support, the front end of X shape support upper portion articulates with the front portion of stretcher support and can not slide in the stretcher support back and forth, the rear end of X shape support upper portion articulates with the stretcher support and can slide in the stretcher support back and forth, the front end of X shape support lower part articulates with the base and can not slide in the base back and forth, the rear end of X shape support lower part articulates with the base and can slide in the base back and forth, be connected with the hydro-cylinder of being controlled the action by the controller between base and crane, be provided with the bed frame that supplies the patient to lie in the top of stretcher support.
The stretcher has the following defects: (1) In order to ensure that the stretcher support has enough ground clearance, the length of two diagonal braces of the X-shaped support needs to be very long, so that the length of a base used for supporting the X-shaped support is very long, the length of the base needs to be larger than that of the diagonal braces of the X-shaped support when the X-shaped support is in a folded state, and the length of the base is often larger than that of an elevator, so that the volume of the stretcher is large, the stretcher cannot enter a narrow space such as an elevator, and the stretcher cannot rotate in time.
Disclosure of Invention
The invention aims to provide an electric lifting stretcher vehicle which can be folded into a narrow space such as an elevator.
In order to achieve the above purpose, the invention adopts the following technical scheme: an electric lifting stretcher, comprising: the bottom is provided with the base of gyro wheel, is provided with the stretcher support in the top of base, is provided with the lifting unit that can go up and down the stretcher support between base and stretcher support, its characterized in that: the back plate is hinged to the stretcher support, the front end of the leg plate is hinged to the stretcher support, the leg plate is driven to turn down or put down by the leg plate driving assembly, when the back plate, the hip plate and the leg plate are horizontally arranged on the stretcher support, the back plate, the hip plate and the leg plate form a lying frame for a patient to lie on, and when the back plate is turned up and the leg plate is turned down, the back plate, the hip plate and the leg plate jointly form a chair for the patient to sit on; the structure of the lifting assembly comprises: the lifting device comprises an upper X-shaped bracket formed by hinging two upper inclined struts in an X shape, and a lower X-shaped bracket formed by hinging two lower inclined struts in an X shape, wherein the front end of the lower part of the upper X-shaped bracket is hinged with the front end of the upper part of the lower X-shaped bracket, the rear end of the lower part of the upper X-shaped bracket is hinged with the rear end of the upper part of the lower X-shaped bracket, the upper X-shaped bracket is connected with the lower X-shaped bracket to form a lifting frame, one of the front end and the rear end of the upper part of the upper X-shaped bracket is hinged with the stretcher bracket and can not slide back and forth in the stretcher bracket, the other end of the front end and the rear end of the lower part of the lower X-shaped bracket is hinged with a base and can not slide back and forth in the base, an oil cylinder or a push rod motor controlled to act by a controller is connected between the base and the lifting frame, and the telescopic rod of the oil cylinder or the motor can drive the lifting frame to automatically open or close the lifting frame, so that the ground height of the stretcher bracket can be adjusted.
Further, the foregoing electric lifting stretcher, wherein: the structure of the backboard drive assembly comprises: the left side and the right side of the top of the front end of the stretcher support are symmetrically provided with a shelving plate, the two shelving plates are jointly used for shelving the front end of the backboard, when the front end of the backboard is placed on the shelving platform, the backboard is just horizontally arranged on the stretcher support, a gas spring is connected between the backboard and the stretcher support, one end of the gas spring is hinged with the front end of the backboard, the other end of the gas spring is hinged with the front end of the stretcher support, when the backboard is horizontally placed on the shelving platform on the stretcher support, the gas spring cannot push the backboard to tilt at the moment, and when the front end of the backboard is lifted upwards, the gas spring can automatically push the backboard to tilt upwards completely.
Further, the foregoing electric lifting stretcher, wherein: the leg plate drive assembly includes: the left side and the right side of the rear end of the stretcher support are respectively provided with a telescopic rod which can move forwards and backwards in the stretcher support and cannot deviate from the stretcher support, the lower parts of the two telescopic rods are respectively and fixedly provided with a fixed connecting plate, the lower parts of each fixed connecting plate are respectively and coaxially connected with a movable connecting rod, the outer ends of the two movable connecting rods are respectively and coaxially hinged with the left end and the right end of the rear side of the leg plate, when the two telescopic rods extend backwards to the hinge point of the fixed connecting plate and the movable connecting rod to move to the rear of the hinge point of the movable connecting rod and the leg plate, the leg plate is horizontally and fixedly arranged on the stretcher support under the action of the fixed connecting plate and the movable connecting rod, and when the hinge point of the two telescopic rods is contracted forwards to the front of the hinge point of the fixed connecting plate and the movable connecting rod to the hinge point of the movable connecting rod and the leg plate, the leg plate and the movable connecting rod are simultaneously turned backwards and downwards until the movable connecting rod is turned downwards to be in a straight line with the fixed connecting plate on the same side.
Further, the foregoing electric lifting stretcher, wherein: the front end of the stretcher support is provided with a telescopic handle with a telescopic function.
Through implementation of the technical scheme, the invention has the beneficial effects that: (1) The lifting frame structure formed by the upper X-shaped bracket and the lower X-shaped bracket is adopted to adjust the ground clearance of the stretcher bracket, so that the length of a base for supporting the lifting frame is correspondingly shortened under the condition that the stretcher bracket has enough ground clearance, the shortened base length is greatly smaller than the width of an elevator, the occupied area of the stretcher is greatly reduced, the stretcher can enter a narrow space such as the elevator, and the wounded can rotate in time; (2) The stretcher can form a lying frame for lying a patient, is used for being deformed into a seat for the patient to sit, expands the applicability of the stretcher, has smaller volume and can conveniently enter narrow spaces such as an elevator, and the like, so that the stretcher can be conveniently rotated in time for wounded persons.
Drawings
Fig. 1 is a schematic structural view of an electric lifting stretcher in a high-position state.
Fig. 2 is a schematic perspective view of fig. 1.
Fig. 3 is a schematic structural view of the electric lifting stretcher in a low-position state.
Fig. 4 is a schematic view of the back plate, the hip plate and the leg plate shown in fig. 1 in use when they form a chair.
Fig. 5 is a schematic view showing a use state of the back board and the hip board shown in fig. 1 in a horizontal state and the leg board in a downward turned state.
Fig. 6 is a schematic view of the back board, hip board and leg board shown in fig. 1 in use when they form a sleeping frame.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific examples.
As shown in fig. 1,2, 3,4, 5 and 6, the electric lifting stretcher comprises: the back rest 6, the hip plate 4 and the leg plates 7 form a lying frame for a patient to lie on jointly when the back rest 6 is tilted and the leg plates 7 are lowered, and the back rest 6, the hip plates 4 and the leg plates 7 form a sitting frame for the patient to sit on jointly when the back rest 6 is tilted and the leg plates 7 are lowered;
The structure of the lifting assembly comprises: the upper X-shaped bracket 9 formed by the X-shaped hinging of the two upper inclined struts 9 and the lower X-shaped bracket 10 formed by the X-shaped hinging of the two lower inclined struts, the front end of the lower part of the upper X-shaped bracket 9 is hinged with the front end of the upper part of the lower X-shaped bracket 10 through a third hinging shaft 82, the rear end of the lower part of the upper X-shaped bracket 9 is hinged with the rear end of the upper part of the lower X-shaped bracket 10 through a fourth hinging shaft 83, the upper X-shaped bracket 9 is connected with the lower X-shaped bracket 10 to form a lifting frame, the front end of the upper part of the upper X-shaped bracket 9 is hinged with the stretcher bracket 3 through a fifth hinging shaft 84 and can not slide back and forth in the stretcher bracket 3, the rear end of the upper part of the upper X-shaped bracket 9 is hinged with the stretcher bracket 3 through a sixth hinge shaft 85 and can slide back and forth in the stretcher bracket 3, the front end of the lower part of the lower X-shaped bracket 10 is hinged with the base 2 through a seventh hinge shaft 86 and cannot slide back and forth in the base 2, the rear end of the lower part of the lower X-shaped bracket 10 is hinged with the base 2 through an eighth hinge shaft 87 and can slide back and forth in the base 2, an oil cylinder or a push rod motor 11 which is controlled by a controller to act is connected between the base 2 and the lifting frame, and a telescopic rod of the oil cylinder or the push rod motor 11 can drive the lifting frame to automatically open or close so as to adjust the ground clearance of the stretcher bracket 3;
In this embodiment, the structure of the backboard drive assembly includes: the left side and the right side of the top of the front end of the stretcher support 3 are symmetrically provided with a shelving plate 12, the two shelving plates 12 are used for jointly shelving the front end of the backboard 6, when the front end of the backboard 6 is placed on the shelving platform, the backboard 6 is just horizontally arranged on the stretcher support 3, a gas spring 13 is connected between the backboard 6 and the stretcher support 3, one end of the gas spring 13 is hinged with the front end of the backboard 6, the other end of the gas spring 13 is hinged with the front end of the stretcher support 3, when the backboard 6 is horizontally placed on the shelving platform on the stretcher support 3, the gas spring 13 cannot push the backboard 6 to tilt at the moment, and when the front end of the backboard 6 is slightly lifted upwards by an air cylinder or external force, a telescopic rod of the gas spring 13 can automatically extend to push the backboard 6 to tilt upwards completely;
In this embodiment, the leg plate drive assembly has a structure including: the left and right sides of the rear end of the stretcher support 3 are respectively provided with a telescopic rod 14 which can move forwards and backwards in the stretcher support 3 and can not deviate from the stretcher support 3, the lower parts of the two telescopic rods 14 are respectively and fixedly provided with a fixed connecting plate 15, the lower parts of each fixed connecting plate 15 are respectively and coaxially connected with a movable connecting rod 16, the outer end parts of the two movable connecting rods 16 are respectively and coaxially hinged with the left and right ends of the rear side of the leg plate 7, when the two telescopic rods 14 are extended backwards under the action of an air cylinder or external force to the hinge point 171 of the fixed connecting plate 15 and the movable connecting rod 16 to the rear side of the hinge point 172 of the movable connecting rod 16 and the leg plate 7, the leg plate 7 is horizontally and fixedly arranged on the stretcher bracket 3 under the action of the fixed connecting plate 15 and the movable connecting rod 16, when the two telescopic rods 14 are contracted forwards under the action of an air cylinder or external force to the front of the hinge point 171 of the fixed connecting plate 15 and the movable connecting rod 16 and the hinge point 172 of the movable connecting rod 16 and the leg plate 7, the leg plate 7 and the movable connecting rod 16 are simultaneously turned backwards and downwards under the action of dead weight until the movable connecting rod 16 is turned downwards to be in a straight line with the fixed connecting plate 15 at the same side, and the leg plate driving assembly has simple structure and convenient installation and maintenance;
In the embodiment, the front end of the stretcher bracket 3 is provided with the telescopic handle 18 with the telescopic function, so that when the back board 6 is tilted and the leg board 7 is turned down, after the back board 6, the hip board 4 and the leg board 7 form a seat for a patient to sit on, a stretcher vehicle which is changed into a seat can be conveniently pushed by medical staff through the telescopic handle 18;
The working principle of the invention is as follows:
When the chair is folded, the front end of the back board 6 is slightly lifted upwards by external force, and at the moment, the telescopic rod of the air spring 13 automatically stretches out to push the back board 6 to be lifted upwards completely, so that the back board forms a head-back supporting board for leaning back and head of a patient in the chair; then the two telescopic rods 14 at the rear end of the stretcher bracket 3 are contracted forwards to the front of the hinging point 172 of the movable connecting rod 16 and the fixed connecting plate 15 through external force, the movable connecting rod 16 and the movable connecting rod 7 simultaneously turn backwards and downwards under the action of dead weight, and the movable connecting rod 16 stops turning until the movable connecting rod 16 turns downwards to be in a straight line with the fixed connecting plate 15 at the same side, so that the leg plates form a leg supporting plate for leaning of the legs of a patient in the chair, and the backrest plate 6, the hip plate 4 and the leg plates 7 form the chair for the patient; when the stretcher is changed into a seat, the telescopic rod 14 is contracted to the stretcher support, the back board is tilted upwards, and the leg boards are turned downwards, so that the volume of the stretcher after being deformed into the seat is greatly reduced, the stretcher after being deformed into the seat can freely and conveniently enter narrow spaces such as an elevator, and the stretcher is convenient to rotate in time for wounded persons;
When the chair-shaped stretcher is required to be changed into a horizontal frame, the backrest plate 6 is pressed downwards on a rest platform at the front end of the stretcher bracket 3 by the elasticity of the external force overcoming air spring 13, and after the backrest plate 6 is horizontally supported on the rest platform, the air spring 13 cannot push the backrest plate 6 to tilt; then the two telescopic rods 14 are pulled out of the stretcher support 3 through external force until the leg plates are horizontal, at the moment, the hinge point 171 of the fixed connecting plate 15 and the movable connecting rod 16 moves to the rear of the hinge point 172 of the movable connecting rod 16 and the leg plate 7, at the moment, the leg plate 7 is horizontally fixed on the stretcher support 3 under the action of the fixed connecting plate 15 and the movable connecting rod 16, at the moment, the back plate 6, the hip plate 4 and the leg plate 7 form a lying frame for lying down the patient together;
when in actual use, the controller only needs to control the telescopic rod of the oil cylinder or the push rod motor 11 to stretch, and the lifting frame can be driven to automatically open or close, so that the stretcher is changed from a high position to a low position or from the low position to the high position, and the height of the stretcher bracket 3 above the ground can be conveniently adjusted.
Through implementation of the technical scheme, the invention has the beneficial effects that: (1) The lifting frame structure formed by the upper X-shaped bracket and the lower X-shaped bracket is adopted to adjust the ground clearance of the stretcher bracket, so that the length of a base for supporting the lifting frame is correspondingly shortened under the condition that the stretcher bracket has enough ground clearance, the shortened base length is greatly smaller than the width of an elevator, the occupied area of the stretcher is greatly reduced, the stretcher can enter a narrow space such as the elevator, and the wounded can rotate in time; (2) The stretcher can form a lying frame for lying a patient, is used for being deformed into a seat for the patient to sit, expands the applicability of the stretcher, has smaller volume and can conveniently enter narrow spaces such as an elevator, and the like, so that the stretcher can be conveniently rotated in time for wounded persons.
Claims (2)
1. An electric lifting stretcher, comprising: the bottom is provided with the base of gyro wheel, is provided with the stretcher support in the top of base, is provided with the lifting unit that can go up and down the stretcher support between base and stretcher support, its characterized in that: the back plate is hinged to the stretcher support, the front end of the leg plate is hinged to the stretcher support, the leg plate is driven to turn down or put down by the leg plate driving assembly, when the back plate, the hip plate and the leg plate are horizontally arranged on the stretcher support, the back plate, the hip plate and the leg plate form a lying frame for a patient to lie on, and when the back plate is turned up and the leg plate is turned down, the back plate, the hip plate and the leg plate jointly form a chair for the patient to sit on; the structure of the lifting assembly comprises: the lifting device comprises an upper X-shaped bracket formed by hinging two upper inclined struts in an X shape, and a lower X-shaped bracket formed by hinging two lower inclined struts in an X shape, wherein the front end of the lower part of the upper X-shaped bracket is hinged with the front end of the upper part of the lower X-shaped bracket;
The structure of the backboard drive assembly comprises: the left side and the right side of the top of the front end of the stretcher support are symmetrically provided with a shelving plate, the two shelving plates are used for jointly shelving the front end of the backboard, when the front end of the backboard is placed on the shelving plate, the backboard is just horizontally arranged on the stretcher support, a gas spring is connected between the backboard and the stretcher support, one end of the gas spring is hinged with the front end of the backboard, the other end of the gas spring is hinged with the front end of the stretcher support, when the backboard is horizontally placed on the shelving plate on the stretcher support, the gas spring cannot push the backboard to lift up at the moment, and when the front end of the backboard is lifted up, the gas spring can automatically push the backboard to lift up completely;
The leg plate drive assembly includes: the left side and the right side of the rear end of the stretcher support are respectively provided with a telescopic rod which can move forwards and backwards in the stretcher support and cannot deviate from the stretcher support, the lower parts of the two telescopic rods are respectively and fixedly provided with a fixed connecting plate, the lower parts of each fixed connecting plate are respectively and coaxially connected with a movable connecting rod, the outer ends of the two movable connecting rods are respectively and coaxially hinged with the left end and the right end of the rear side of the leg plate, when the two telescopic rods extend backwards to the hinge point of the fixed connecting plate and the movable connecting rod to move to the rear of the hinge point of the movable connecting rod and the leg plate, the leg plate is horizontally and fixedly arranged on the stretcher support under the action of the fixed connecting plate and the movable connecting rod, and when the hinge point of the two telescopic rods is contracted forwards to the front of the hinge point of the fixed connecting plate and the movable connecting rod to the hinge point of the movable connecting rod and the leg plate, the leg plate and the movable connecting rod are simultaneously turned backwards and downwards until the movable connecting rod is turned downwards to be in a straight line with the fixed connecting plate on the same side.
2. The electric lifting stretcher of claim 1, wherein: the front end of the stretcher support is provided with a telescopic handle with a telescopic function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910724321.9A CN110327163B (en) | 2019-08-07 | 2019-08-07 | Electric lifting stretcher vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910724321.9A CN110327163B (en) | 2019-08-07 | 2019-08-07 | Electric lifting stretcher vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110327163A CN110327163A (en) | 2019-10-15 |
| CN110327163B true CN110327163B (en) | 2024-05-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910724321.9A Active CN110327163B (en) | 2019-08-07 | 2019-08-07 | Electric lifting stretcher vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110327163B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111938931B (en) * | 2020-08-24 | 2022-04-01 | 燕山大学 | Up-down stair type stretcher |
| CN112022516B (en) * | 2020-09-29 | 2024-09-06 | 江苏日新医疗设备股份有限公司 | Boarding stretcher |
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| Publication number | Publication date |
|---|---|
| CN110327163A (en) | 2019-10-15 |
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