CN111557799A - Damping mechanism for medical transfer bed - Google Patents
Damping mechanism for medical transfer bed Download PDFInfo
- Publication number
- CN111557799A CN111557799A CN202010546285.4A CN202010546285A CN111557799A CN 111557799 A CN111557799 A CN 111557799A CN 202010546285 A CN202010546285 A CN 202010546285A CN 111557799 A CN111557799 A CN 111557799A
- Authority
- CN
- China
- Prior art keywords
- swing arm
- front swing
- bed
- rear swing
- lifting rocker
- 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.)
- Granted
Links
- 238000013016 damping Methods 0.000 title claims abstract description 44
- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 230000035939 shock Effects 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims 1
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000002238 attenuated effect Effects 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010033372 Pain and discomfort Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
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
- A61G1/02—Stretchers with wheels
- A61G1/0206—Stretchers with wheels characterised by the number of supporting wheels if stretcher is extended
- A61G1/0212—2 pairs having wheels within a pair on the same position in longitudinal direction, e.g. on the same axis
-
- 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
-
- 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
-
- 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
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
- A61G2203/72—General characteristics of devices with special adaptations, e.g. for safety or comfort for collision prevention
- A61G2203/723—Impact absorbing means, e.g. bumpers or airbags
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)
Abstract
The invention provides a damping mechanism for a medical transfer bed, which comprises a lower bed body assembly, a rear swing arm, a front swing arm, a linkage pull rod, a lifting rocker assembly, an upper bed frame and a damping device, wherein the lower bed body assembly, the rear swing arm, the front swing arm and the linkage pull rod jointly form a parallelogram link mechanism, the upper bed frame further comprises a lifting rocker support, one end of the lifting rocker assembly is connected with the lifting rocker support, the other end of the lifting rocker assembly is fixedly connected with an oil seal cylinder of the damping device, a piston rod of the damping device is connected with the front swing arm support arm, the lifting rocker assembly is used for adjusting the height of the upper bed frame of the medical transfer bed, and the damping device is used for damping in the up-down direction of the medical transfer bed. The invention solves the problem of discomfort caused by the vibration of the bed body with an uneven road surface in the transferring process of a patient in the prior art.
Description
Technical Field
The invention relates to the technical field of medical transfer beds, in particular to a damping mechanism for a medical transfer bed.
Background
In recent years, with the economic development of society and the promotion of medical insurance of the whole people, the demand of medical instruments is greatly increased, and the diversification of products also presents a state of all flowers. Particularly, the demand for various hospital beds is increasing year by year, and the demand for the function of the hospital beds is increasing while the variety of the hospital beds is increasing. The traditional patient of medical industry transports bed does not have shock-absorbing function, perhaps increases four vertical bumper shock absorbers and elastic element in four-wheel structure, when receiving the impact force nonconformity on every bed wheel, four bumper shock absorbers compression stroke nonconformity of lathe bed, and the shock attenuation effect is not good, and the travelling comfort can not be ensured, can lead to the lathe bed slope even, brings the risk that falls for patient. When a patient is transported from places such as home, outdoors, the ambulance 120, a ward, a CT room, an operating room and the like, the bed body is often vibrated due to uneven road surface, the impact of bed wheels and the ground is directly transmitted to the patient through the bed body, and the patient is painful and uncomfortable except for the injury per se. In order to reduce the pain and discomfort of the patient caused by the vibration belt, a damping device is additionally arranged on the transfer sickbed lifting mechanism, when the patient is transferred, an elastic element and a damping element are arranged between the bed wheels and the bed board, the impact force of the ground to the bed wheels is attenuated through an elastic body and the damping element in the damping device, the transmission of the impact force is slowed, and the comfort degree of the patient is increased.
Disclosure of Invention
The invention provides a damping mechanism for a medical transfer bed, which aims to solve the problem of discomfort caused by vibration of a bed body with an uneven road surface in the transfer process of a patient in the prior art.
In order to solve the technical problems, the invention provides a damping mechanism for a medical transfer bed, which comprises a lower bed body assembly, a rear swing arm, a front swing arm, a linkage pull rod, a lifting rocker assembly, an upper bed frame and a damping device, the bottom ends of the rear swing arm and the front swing arm are respectively hinged with the lower bed body assembly, the two ends of the linkage pull rod are respectively hinged with the top ends of the rear swing arm and the front swing arm, the lower bed body assembly, the rear swing arm, the front swing arm and the linkage pull rod form a parallelogram link mechanism together, the upper bed frame comprises a lifting rocker bracket, one end of the lifting rocker assembly is connected with the lifting rocker bracket, the other end of the lifting rocker assembly is fixedly connected with an oil seal cylinder of a damping device, a piston rod of the damping device is connected with a front swing arm, the lifting rocker assembly is used for adjusting the height of a bed frame on the medical transfer bed, and the damping device is used for damping in the vertical direction of the medical transfer bed.
The rear swing arm comprises a rear swing arm support arm fixed at the upper end of the rear swing arm, the front swing arm comprises a front swing arm support arm fixed at the upper end of the front swing arm, and two ends of the linkage pull rod are respectively hinged with the rear swing arm support arm and the front swing arm support arm.
The lower bed body assembly comprises a lower bed body rear swing arm support and a lower bed body front swing arm support, the upper bed frame comprises an upper bed frame rear swing arm support and an upper bed frame front swing arm support, the bottom end of the rear swing arm is hinged to the lower bed body rear swing arm support, the upper end of the rear swing arm is connected with the upper bed frame rear swing arm support through a pin shaft, the bottom end of the front swing arm is hinged to the lower bed body front swing arm support, and the upper end of the front swing arm is connected with the upper bed frame front swing arm support through a pin shaft.
The lifting rocker assembly is fixedly connected with the damping device oil seal cylinder through a connecting bolt joint.
The lower bed body assembly also comprises 4 universal wheels.
The upper bed frame also comprises 2 guardrails.
The invention has the following beneficial effects: compared with the prior art, the damping mechanism for the medical transfer bed has the advantages that the height of the transfer bed is manually adjusted by the lifting rocker assembly, the damping device connected to the lifting rocker assembly can stretch and retract when the impact force of the ground on bed wheels is transmitted to the lifting rocker assembly in motion, the upper bed frame can move up and down in a small range, the impact force applied to the upper bed frame is greatly attenuated, the comfort of a patient on the bed is improved, meanwhile, the structure is compact and simple, the assembly difficulty is low, and the production cost is greatly reduced.
Drawings
FIG. 1 is a schematic structural diagram of a shock absorbing mechanism for a medical transfer bed according to an embodiment of the present invention
FIG. 2 is a partial enlarged view of A in FIG. 1
FIG. 3 is a schematic structural diagram of a shock absorbing mechanism for a medical transfer bed according to an embodiment of the present invention
The bed comprises a bed body assembly 1, a bed body assembly 2, a rear swing arm 3, a front swing arm, a linkage pull rod 4, a lifting rocker assembly 5, an upper bed frame 6, a damping device 7, a connecting bolt joint 8, a bed body rear swing arm support 11, a bed body front swing arm support 12, a bed body rear swing arm support 21, a bed body front swing arm support 31, a bed body rear swing arm support 61, a bed body front swing arm support 62, a lifting rocker support 63, an oil seal barrel 71 and a piston rod 72.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, the damping mechanism for a medical transfer bed provided by the present invention comprises a lower bed body assembly 1, a rear swing arm 2, a front swing arm 3, a linkage pull rod 4, a lifting rocker assembly 5, an upper bed frame 6, and a damping device 7, wherein the bottom ends of the rear swing arm 2 and the front swing arm 3 are respectively hinged with the lower bed body assembly 1, the two ends of the linkage pull rod 4 are respectively hinged with the top ends of the rear swing arm 2 and the front swing arm 3, the lower bed body assembly 1, the rear swing arm 2, the front swing arm 3, and the linkage pull rod 4 together form a parallelogram link mechanism, the upper bed frame 6 comprises a lifting rocker support 63, one end of the lifting rocker assembly 5 is connected with the lifting rocker support 63, the other end of the lifting rocker assembly 5 is fixedly connected with an oil-sealed cylinder 71 of the damping device 7, a piston rod 72 of the damping device 7 is connected with the front swing arm 3, the lifting rocker assembly 5 is used for adjusting the height of the upper bed frame 6 of the medical transfer bed, the damping device 7 is used for damping the medical transfer bed in the up-and-down direction.
Further, the rear swing arm 2 comprises a rear swing arm support arm 21 fixed at the upper end of the rear swing arm 2, the front swing arm 3 comprises a front swing arm support arm 31 fixed at the upper end of the front swing arm 3, and two ends of the linkage pull rod 4 are respectively hinged with the rear swing arm support arm 21 and the front swing arm support arm 31.
Further, the lower bed body assembly 1 comprises a lower bed body rear swing arm support 11 and a lower bed body front swing arm support 12, the upper bed frame 6 comprises an upper bed frame rear swing arm support 61 and an upper bed frame front swing arm support 62, the bottom end of the rear swing arm 2 is hinged to the lower bed body rear swing arm support 11, the upper end of the rear swing arm 2 is connected with the upper bed frame rear swing arm support 61 through a pin shaft, the bottom end of the front swing arm 3 is hinged to the lower bed body front swing arm support 12, and the upper end of the front swing arm 3 is connected with the upper bed frame front swing arm support 62 through a pin shaft.
Further, the lifting rocker assembly 5 is fixedly connected with the oil seal cylinder 71 of the damping device 7 through a connecting bolt joint 8.
Further, the lower bed body assembly 1 further comprises 4 universal wheels.
Further, the upper bed frame 6 further comprises 2 guardrails.
The lower bed body assembly 1 is hinged with the rear swing arm 2 and the front swing arm 3 through a lower bed body rear swing arm support 11 and a lower bed body front swing arm support 12 respectively, the rear swing arm 2 is hinged with one end of the linkage pull rod 4 through a rear swing arm support 21, the front swing arm 3 is hinged with the other end of the linkage pull rod 4 through a front swing arm support 31, the lower bed body assembly 1, the rear swing arm 2, the front swing arm 3 and the linkage pull rod 4 form a parallelogram link mechanism, the upper bed frame 6 is respectively connected with the rear swing arm 2 and the front swing arm 3 through an upper bed frame rear swing arm support 61 and an upper bed frame front swing arm support 62 through pin shafts, and the upper bed frame 6 moves in the up-down direction in the motion process of the parallelogram link mechanism consisting of the lower bed body assembly 1, the rear swing arm 2, the front swing arm 3 and the linkage pull rod 4.
A lifting rocker support 63 is fixed on the upper bed frame 6, the lifting rocker support 63 is connected with one end of a lifting rocker assembly 5, the other end of the lifting rocker assembly 5 is fixedly connected with a damping device 7 oil seal cylinder 71, a piston rod 72 of the damping device 7 is connected with a front swing arm support arm 31, the composition structure of the lifting rocker support 63, the lifting rocker assembly 5, the damping device 7 and the front swing arm support arm 31 limits the motion range of a parallelogram link mechanism formed by the lower bed body assembly 1, the rear swing arm 2, the front swing arm 3 and the linkage pull rod 4, the lifting rocker assembly 5 can manually adjust the upper height and the lower height of the upper bed frame 6, and the damping device 7 can play a damping role.
In summary, according to the damping mechanism for the medical transfer bed, the height of the transfer bed is manually adjusted by the lifting rocker assembly, the damping device connected to the lifting rocker assembly can stretch and retract when the impact force of the ground on the bed wheels is transmitted to the lifting rocker assembly in motion, the upper bed frame can move up and down in a small range, the impact force applied to the upper bed frame is greatly attenuated, the comfort of a patient on the bed is improved, and meanwhile, the damping mechanism is compact and simple in structure, low in assembly difficulty and greatly reduced in production cost.
The above description is only an example of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. A damper for a medical transfer bed, characterized in that: comprises a lower bed body assembly (1), a rear swing arm (2), a front swing arm (3), a linkage pull rod (4), a lifting rocker assembly (5), an upper bed frame (6) and a damping device (7), wherein the bottom ends of the rear swing arm (2) and the front swing arm (3) are respectively hinged with the lower bed body assembly (1), the two ends of the linkage pull rod (4) are respectively hinged with the top ends of the rear swing arm (2) and the front swing arm (3), the lower bed body assembly (1), the rear swing arm (2), the front swing arm (3) and the linkage pull rod (4) jointly form a parallelogram link mechanism, the upper bed frame (6) comprises a lifting rocker support (63), one end of the lifting rocker assembly (5) is connected with the lifting rocker support (63), the other end of the lifting rocker assembly (5) is fixedly connected with an oil seal cylinder (71) of the damping device (7), and a piston rod (72) of the damping device (7) is connected with the front swing arm (3), the lifting rocker assembly (5) is used for adjusting the height of a bed frame (6) on the medical transfer bed, and the damping device (7) is used for damping the medical transfer bed in the up-and-down direction.
2. The shock absorbing mechanism for a medical transfer bed according to claim 1, wherein the rear swing arm (2) comprises a rear swing arm support arm (21) fixed at the upper end of the rear swing arm (2), the front swing arm (3) comprises a front swing arm support arm (31) fixed at the upper end of the front swing arm (3), and two ends of the linkage pull rod (4) are respectively hinged with the rear swing arm support arm (21) and the front swing arm support arm (31).
3. The shock absorption mechanism for the medical transfer bed according to claim 1, wherein the lower bed body assembly (1) comprises a lower bed body rear swing arm support (11) and a lower bed body front swing arm support (12), the upper bed frame (6) comprises an upper bed frame rear swing arm support (61) and an upper bed frame front swing arm support (62), the bottom end of the rear swing arm (2) is hinged to the lower bed body rear swing arm support (11), the upper end of the rear swing arm (2) is connected with the upper bed frame rear swing arm support (61) through a pin shaft, the bottom end of the front swing arm (3) is hinged to the lower bed body front swing arm support (12), and the upper end of the front swing arm (3) is connected with the upper bed frame front swing arm support (62) through a pin shaft.
4. The shock absorbing mechanism for a medical transfer bed according to claim 1, wherein the lifting rocker assembly (5) is fixedly connected with the oil-sealed cylinder (71) of the shock absorbing device (7) through a coupling bolt joint (8).
5. The shock absorbing mechanism for a medical transfer bed as claimed in claim 1, wherein the lower bed body assembly (1) further comprises 4 universal wheels.
6. The shock absorbing mechanism for a medical transfer bed as set forth in claim 1, wherein the upper frame (6) further comprises 2 guardrails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010546285.4A CN111557799B (en) | 2020-06-16 | 2020-06-16 | Damping mechanism for medical transport bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010546285.4A CN111557799B (en) | 2020-06-16 | 2020-06-16 | Damping mechanism for medical transport bed |
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| Publication Number | Publication Date |
|---|---|
| CN111557799A true CN111557799A (en) | 2020-08-21 |
| CN111557799B CN111557799B (en) | 2024-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010546285.4A Active CN111557799B (en) | 2020-06-16 | 2020-06-16 | Damping mechanism for medical transport bed |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114366454A (en) * | 2021-11-30 | 2022-04-19 | 浙江大学 | Novel multifunctional transfer bed |
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| JP2000018307A (en) * | 1998-04-27 | 2000-01-18 | Showa Corp | Shaft seal portion fixing structure of hydraulic shock absorber |
| US20100045152A1 (en) * | 2004-09-30 | 2010-02-25 | Steve Bond | Shelf extending and lifting system |
| JP2010100223A (en) * | 2008-10-24 | 2010-05-06 | Toyota Motor Corp | Suspension device |
| US20170008362A1 (en) * | 2014-03-10 | 2017-01-12 | Toyota Jidosha Kabushiki Kaisha | Strut-type suspension device |
| CN106739911A (en) * | 2016-11-18 | 2017-05-31 | 河海大学常州校区 | A kind of front-wheel lifting automotive chassis |
| CN107526370A (en) * | 2017-06-16 | 2017-12-29 | 江苏协统新能源科技有限公司 | Link twin axle photovoltaic plant solar tracking system |
| CN107638683A (en) * | 2017-10-30 | 2018-01-30 | 安庆永大体育用品有限公司 | A kind of solar energy slide plate of high life |
| CN108505577A (en) * | 2017-10-27 | 2018-09-07 | 襄阳忠良工程机械有限责任公司 | Foldable type belt conveying drive hoeing machine |
| CN110626136A (en) * | 2019-10-24 | 2019-12-31 | 北京易微出行科技有限公司 | Active inclination control device for double-front-wheel inclined vehicle, vehicle and control method |
| CN212490446U (en) * | 2020-06-16 | 2021-02-09 | 江苏富朗特医疗科技有限公司 | Damping mechanism for medical transfer bed |
-
2020
- 2020-06-16 CN CN202010546285.4A patent/CN111557799B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000018307A (en) * | 1998-04-27 | 2000-01-18 | Showa Corp | Shaft seal portion fixing structure of hydraulic shock absorber |
| US20100045152A1 (en) * | 2004-09-30 | 2010-02-25 | Steve Bond | Shelf extending and lifting system |
| JP2010100223A (en) * | 2008-10-24 | 2010-05-06 | Toyota Motor Corp | Suspension device |
| US20170008362A1 (en) * | 2014-03-10 | 2017-01-12 | Toyota Jidosha Kabushiki Kaisha | Strut-type suspension device |
| CN106739911A (en) * | 2016-11-18 | 2017-05-31 | 河海大学常州校区 | A kind of front-wheel lifting automotive chassis |
| CN107526370A (en) * | 2017-06-16 | 2017-12-29 | 江苏协统新能源科技有限公司 | Link twin axle photovoltaic plant solar tracking system |
| CN108505577A (en) * | 2017-10-27 | 2018-09-07 | 襄阳忠良工程机械有限责任公司 | Foldable type belt conveying drive hoeing machine |
| CN107638683A (en) * | 2017-10-30 | 2018-01-30 | 安庆永大体育用品有限公司 | A kind of solar energy slide plate of high life |
| CN110626136A (en) * | 2019-10-24 | 2019-12-31 | 北京易微出行科技有限公司 | Active inclination control device for double-front-wheel inclined vehicle, vehicle and control method |
| CN212490446U (en) * | 2020-06-16 | 2021-02-09 | 江苏富朗特医疗科技有限公司 | Damping mechanism for medical transfer bed |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114366454A (en) * | 2021-11-30 | 2022-04-19 | 浙江大学 | Novel multifunctional transfer bed |
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| Publication number | Publication date |
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| CN111557799B (en) | 2024-07-09 |
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