CN112587336A - Guardrail and nursing bed - Google Patents
Guardrail and nursing bed Download PDFInfo
- Publication number
- CN112587336A CN112587336A CN202011446073.5A CN202011446073A CN112587336A CN 112587336 A CN112587336 A CN 112587336A CN 202011446073 A CN202011446073 A CN 202011446073A CN 112587336 A CN112587336 A CN 112587336A
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- China
- Prior art keywords
- connecting rod
- guard bar
- guardrail
- lower guard
- rotatably connected
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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
- A61G7/05—Parts, details or accessories of beds
- A61G7/0507—Side-rails
- A61G7/0508—Side-rails characterised by a particular connection mechanism
- A61G7/051—Side-rails characterised by a particular connection mechanism pivoting sideward
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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
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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
- A61G7/05—Parts, details or accessories of beds
- A61G7/0507—Side-rails
- A61G7/052—Side-rails characterised by safety means, e.g. to avoid injuries to patient or caregiver
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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
- 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
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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)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a guardrail and a nursing bed, wherein the guardrail comprises: an upper guard bar; a lower guard bar; the telescopic rod is arranged between the upper guard bar and the lower guard bar; the connecting rod mechanism comprises a first connecting rod and a second connecting rod, one end of the first connecting rod is rotatably connected with the telescopic rod, the other end of the first connecting rod is rotatably connected with the upper protection rod, one end of the second connecting rod is rotatably connected with the telescopic rod, and the other end of the second connecting rod is rotatably connected with the lower protection rod; the buffer mechanism comprises a linkage piece and a variable resistance piece, the linkage piece is provided with a motion tail end connected with the variable resistance piece, one end of the linkage piece is connected with a second connecting rod so as to convert the variable speed rotation of the second connecting rod into the variable speed linear motion of the motion tail end, the variable resistance piece is arranged on the lower guard bar, and the resistance is increased when the variable resistance piece is constructed to be subjected to higher speed. The buffer mechanism is arranged, so that the variable-speed rotation of the second connecting rod can be converted into variable-speed linear motion at the tail end of the motion, the guardrail can keep a more slow descending effect, and the buffer effect is excellent.
Description
Technical Field
The invention relates to the technical field of nursing equipment, in particular to a guardrail and a nursing bed.
Background
In the existing market, no matter a medical sickbed or a home-inclined nursing bed, guardrails on two sides are necessary accessories, and currently, the common guardrails at home and abroad are mainly divided into four categories: the circular tube is bent and spliced, and the two-stage or three-stage vertical telescopic type medical sickbed is foldable and can be rotated and contracted. The first and the third are common, but the first is inconvenient for the patient to get on or off the bed manually each time, the third is common to the hospital places, is single and does not meet the requirements of load in the regulation and automatic slow descending without clamping hands, the second and the fourth are novel guardrails, and the second is vertical telescopic, has higher processing and mounting precision on the whole, and is difficult to meet the requirements of self slow descending without clamping hands after the switch is loosened; the last one is a solution that is perfectly compatible with regulations and needs in all directions at present.
At present, among the guardrail of rotatory contraction type, the most common increases the friction through pasting PU or other plastics in the pole both sides of the below rotation to play and slowly descend and do not press from both sides the effect of hindering the hand after loosening the switch, however, along with the wearing and tearing of PU or other plastics, the friction effect will be more and more poor, and until the friction disc is invalid at last, whole buffering effect is not good.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the guardrail which is provided with the buffer mechanism, the variable-speed rotation of the second connecting rod can be converted into the variable-speed linear motion at the tail end of the motion, and the buffer effect is excellent.
The invention also aims to provide a nursing bed applying the guardrail.
A guardrail according to an embodiment of the present invention includes: an upper guard bar; a lower guard bar; the telescopic rod is arranged between the upper guard bar and the lower guard bar; the two ends of the telescopic rod are provided with the connecting rod mechanisms, each connecting rod mechanism comprises a first connecting rod and a second connecting rod, one end of each first connecting rod is rotatably connected with the telescopic rod, the other end of each first connecting rod is rotatably connected with the upper guard bar, one end of each second connecting rod is rotatably connected with the telescopic rod, and the other end of each second connecting rod is rotatably connected with the lower guard bar; the buffer mechanism is arranged between the second connecting rod and the lower guard bar and comprises a linkage piece and a variable resistance piece, the linkage piece is provided with a motion tail end connected with the variable resistance piece, one end of the linkage piece is connected with the second connecting rod so as to convert the variable speed rotation of the second connecting rod into variable speed linear motion of the motion tail end, the variable resistance piece is arranged on the lower guard bar, and the resistance is increased when the variable resistance piece is constructed to be subjected to higher speed.
According to the guardrail disclosed by the embodiment of the invention, the variable-speed rotation of the second connecting rod can be converted into the variable-speed linear motion at the tail end of the motion by arranging the buffer mechanism, the guardrail can keep a more slow descending effect by the characteristic that the resistance is larger when the variable resistance piece is subjected to higher speed, the buffer effect is excellent, the condition that fingers are injured by clamping can be effectively avoided, and the friction loss of parts can not be generated due to the fact that a friction buffer mode is not adopted, and the service life of the whole guardrail is longer.
In some embodiments, the variable resistance element is a damper; the linkage piece is a connecting rod, one end of the connecting rod is rotatably connected with the second connecting rod, the other end of the connecting rod is constructed into the motion tail end, and the motion tail end is rotatably connected with the damper.
In some embodiments, the guardrail further comprises: a rolling body provided on the moving end of the connecting rod; and the support piece is arranged on the lower guard bar, and the rolling body abuts against the support piece.
In some embodiments, the damper part abuts against the support, and the lower guard bar is provided with a fixing seat connected with the damper.
In some embodiments, the upper guard bar has a first receiving space, and the first link is provided in the first receiving space; the lower guard bar is provided with a second accommodating space, and the second connecting rod is arranged in the second accommodating space.
In some embodiments, the buffer mechanism is disposed in the second accommodating space, and the buffer mechanism is disposed on a side of the second link away from an end of the lower guard bar.
In some embodiments, the second receiving space is configured such that the telescopic bar and the link mechanism can be received in the second receiving space when the upper guard bar is lowered to fit over the lower guard bar.
In some embodiments, the upper guard bar and the lower guard bar have the same structure, and the lower guard bar includes a first connecting plate and a second connecting plate connected to the first connecting plate, and the second connecting plate and the first connecting plate define the second receiving space therebetween.
In some embodiments, the lower guard bar further comprises: the protective sleeve is arranged at two ends of the lower protective sleeve in the length direction, and the end part of the first connecting plate and the end part of the second connecting plate are arranged in the protective sleeve.
A care bed according to an embodiment of the invention comprises a guard rail according to any of the preceding claims.
According to the nursing bed provided by the embodiment of the invention, the guardrail can be lifted up and down by arranging the guardrail, wherein the buffer mechanism of the guardrail can convert the variable-speed rotation of the second connecting rod into the variable-speed linear motion at the tail end of the motion, the guardrail can keep a more slow descending effect by the characteristic that the resistance is higher when the variable resistance piece is subjected to higher speed, the buffer effect is excellent, the finger clamping injury can be effectively avoided, and the friction loss of parts can not be generated because a friction buffer mode is not adopted, so that the service life of the whole nursing bed is longer.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural view of a guardrail according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a guardrail according to an embodiment of the present invention;
fig. 3 is a schematic structural view of the guardrail of the embodiment of the invention when being lowered and retracted.
Reference numerals:
100. a guardrail;
10. an upper guard bar;
20. a lower guard bar; 201. a second accommodating space; 202. a fixed seat; 210. a first connecting plate; 220. a second connecting plate; 230. a sheath;
30. a telescopic rod;
40. a link mechanism; 410. a first link; 420. a second link;
50. a buffer mechanism; 510. a linkage member; 520. a variable resistance member; 5201. connecting blocks;
60. a rolling body; 70. and a support member.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A guard rail 100 according to an embodiment of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1, a guard rail 100 according to an embodiment of the present invention includes: the device comprises an upper guard bar 10, a lower guard bar 20, a telescopic bar 30, a link mechanism 40 and a buffer mechanism 50.
The telescopic bar 30 is provided between the upper guard bar 10 and the lower guard bar 20. The telescopic rod 30 is provided at both ends thereof with a link mechanism 40, and the link mechanism 40 includes a first link 410 and a second link 420.
One end of the first connecting rod 410 is rotatably connected with the telescopic rod 30, the other end of the first connecting rod is rotatably connected with the upper protection rod 10, the telescopic rod 30, the upper protection rod 10 and the first connecting rods 410 on the left side and the right side jointly form a four-bar structure, the first connecting rod 410 on the left side rotates clockwise relative to one end of the telescopic rod 30, the first connecting rod 410 on the right side rotates anticlockwise relative to the other end of the telescopic rod 30, the upper protection rod 10 can ascend relative to the telescopic rod 30, and otherwise, the upper protection rod 10 descends.
One end of the second connecting rod 420 is rotatably connected with the telescopic rod 30, the other end of the second connecting rod 420 is rotatably connected with the lower guard bar 20, the telescopic rod 30, the lower guard bar 20 and the second connecting rods 420 on the left side and the right side jointly form another four-bar structure, the left second connecting rod 420 rotates anticlockwise relative to one end of the telescopic rod 30, the right second connecting rod 420 rotates clockwise relative to the other end of the telescopic rod 30, the guard bar 20 can ascend relative to the telescopic rod 30, and otherwise, the lower guard bar 20 descends. The lifting of the entire guard rail 100 can be achieved by the four-bar linkage structure.
The buffer mechanism 50 is arranged between the second connecting rod 420 and the lower guard bar 20, namely, the buffer mechanisms 50 are arranged between the second connecting rod 420 and the lower guard bar 20 at the left side and the right side, so that the balanced buffer effect at the two sides is ensured.
The damping mechanism 50 includes a link 510 and a variable resistance member 520. The link 510 has a moving end (not shown) connected to the variable resistance 520, and one end of the link 510 is connected to the second link 420 to convert the variable speed rotation of the second link 420 into a variable speed linear movement of the moving end, so that a component force of the second link 420 in the vertical direction can be offset, thereby reducing the rotational force of the second link 420 and relieving the load of the damper mechanism 50. The variable resistance member 520 is arranged on the lower guard bar 20, the resistance is larger when the variable resistance member 520 is constructed to be subjected to higher speed, when the upper guard bar 10 descends, the first connecting rod 410 is rotated to give the second connecting rod 420 a gradually larger force along the rod direction, so that the variable resistance member 520 is driven to accelerate compression, as the resistance of the variable resistance member 520 is in direct proportion to the compression speed, the resistance is larger when the compression speed is higher, therefore, the variable resistance member 520 can slowly descend in the whole descending process of the guardrail 100 when playing a buffering role, and the buffering effect is better.
According to the guardrail 100 of the embodiment of the invention, the buffer mechanism 50 is arranged to convert the variable-speed rotation of the second connecting rod 420 into the variable-speed linear motion at the tail end of the motion, the guardrail 100 can keep a more slow descending effect by the characteristic that the resistance is larger when the variable resistance piece 520 is subjected to higher speed, the buffer effect is excellent, the finger clamping and injury can be effectively avoided, and the friction loss of parts can not be generated because the friction buffer mode is not adopted, and the service life of the whole guardrail is longer.
In some embodiments, as shown in FIG. 1, the variable resistance element 520 is a damper; the link 510 is a connecting rod, one end of which is rotatably connected to the second link 420, and the other end of which is configured as a movement end that is rotatably connected to the damper. That is, the rotational force of the second link 420 rotates the entire connecting rod, and the final output is a variable speed linear motion of the motion end, and then the damping is realized by the damper, and the damping mechanism 50 has a simple structure and is easy to install.
In some embodiments, the damper is any one of a hydraulic damper, a gas damper, and an electromagnetic damper.
In some embodiments, the variable resistance element 520 may also be other variable resistance devices or components with variable resistance functions, for example, the variable resistance element 520 may be a torsion spring, one end of which is fixed on the lower guard bar 20 and the other end of which is rotatably connected with the connecting rod, so as to achieve a better buffering effect.
In some embodiments, the linkage member 510 may be other linkage components, for example, the linkage member 510 includes a gear (not shown) and a rack (not shown), the gear is disposed on a rotating shaft of the second link 420 connected to the lower guard bar 20, the rack is engaged with the gear and slidably disposed on the lower guard bar 20 in a horizontal direction, and a moving end is formed on the rack, in this way, the variable-speed rotation of the second link 420 can be converted into the variable-speed linear motion. For another example, the link 510 includes a worm wheel (not shown) and a worm (not shown), the worm wheel is disposed on a rotating shaft of the second link 420 connected to the lower guard bar 20, the worm is disposed on the lower guard bar 20 and can move in a horizontal direction, the worm wheel engages with the worm, and the variable-speed rotation of the second link 420 can be converted into variable-speed linear motion, but the worm wheel and the worm have no self-locking function.
In some embodiments, as shown in fig. 1, the guardrail 100 further comprises: a rolling body 60 and a support 70, the rolling body 60 being provided on the motion end of the connecting rod, the support 70 being provided on the lower guard bar 20, the rolling body 60 resting on the support 70. By providing the rolling body 60 at the moving end, the rolling body 60 rolls on the support 70, enabling the moving end to obtain stable and reliable variable speed linear motion.
In some embodiments, the rolling elements 60 are rolling bearings or rollers, and the support 70 is a horizontal support plate, which is simple in structure and convenient to install. Of course, the rolling element 60 may also be another rolling element, which is not described in detail herein.
In some embodiments, as shown in fig. 1, the damper partially abuts against the support member 70, the lower guard bar 20 is provided with a fixing seat 202, and the fixing seat 202 is connected to the damper, that is, the damper is more reliably mounted under the combined action of the support member 70 and the fixing seat 202, for example, the left end of the damper is fixed on the fixing seat 202, the right end of the damper is fixed on the support member 70, and the output rod of the damper is rotatably connected to the connecting rod at the right end.
In some embodiments, as shown in fig. 1, the output rod of the damper is provided with a connecting block 5201, the output rod can be rotatably connected to the connecting rod through the connecting block 5201, and the rolling body 60 can be provided on the connecting block 5201.
In some embodiments, as shown in fig. 2, the upper guard bar 10 has a first receiving space (not shown) in which the first link 410 is disposed, and it is understood that the rotating end of the first link 410 connected to the upper guard bar 10 is disposed in the first receiving space, so that the first link 410 is partially hidden in the upper guard bar 10 without affecting the aesthetic appearance of the guard rail 100. The lower guard bar 20 has a second receiving space 201, and the second link 420 is disposed in the second receiving space 201. similarly, the rotating end of the second link 420 connected to the lower guard bar 20 is disposed in the second receiving space 201, so that the second link 420 is partially hidden in the lower guard bar 20, and the appearance of the guardrail 100 is not affected.
In some embodiments, as shown in fig. 1 and 2, the buffer mechanism 50 is disposed in the second accommodating space 201, and the buffer mechanism 50 is disposed on a side of the second link 420 away from the end of the lower guard bar 20, so that the space of the lower guard bar 20 is fully utilized, which has the advantages of small volume and compact layout, and the appearance of the guardrail 100 is prevented from being affected.
In some embodiments, as shown in fig. 3, the second receiving space 201 is configured such that when the upper guard bar 10 is lowered to fit the lower guard bar 20, the telescopic bar 30 and the link mechanism 40 can be received in the second receiving space 201, which makes the guardrail 100 attractive and occupies a small space when it is received.
In some embodiments, as shown in fig. 2, the upper guard bar 10 and the lower guard bar 20 have the same structure, and the lower guard bar 20 includes a first connection plate 210 and a second connection plate 220 connected to the first connection plate 210, and the second connection plate 220 and the first connection plate 210 define a second receiving space 201 therebetween.
In some embodiments, as shown in fig. 2, the lower guard bar 20 further comprises: sheath 230, the length direction's of lower protective rod 20 both ends are equipped with sheath 230, and the tip of first connecting plate 210, the tip of second connecting plate 220 are established in sheath 230, and sheath 230 can play the guard action, avoids the left and right sides both ends fish tail staff of lower protective rod 20, and for example, sheath 230 can be made for rubber materials, has better guard action.
In some embodiments, a rounded corner (not shown) may be provided on sheath 230. It should be noted that the telescopic rod 30 is a pipe with two ends capable of extending and retracting, and reference may be made to the telescopic rod in the prior art, which is not described herein again.
One embodiment of the barrier 100 of the present invention is described below with reference to the drawings.
As shown in fig. 1 to 3, a guard rail 100 includes: the device comprises an upper guard bar 10, a lower guard bar 20, a telescopic bar 30, a link mechanism 40 and a buffer mechanism 50.
The telescopic bar 30 is provided between the upper guard bar 10 and the lower guard bar 20. The two ends of the telescopic rod 30 are provided with the link mechanisms 40, each link mechanism 40 comprises a first link 410 and a second link 420, one end of each first link 410 is rotatably connected with the telescopic rod 30, the other end of each first link 410 is rotatably connected with the upper guard bar 10, one end of each second link 420 is rotatably connected with the telescopic rod 30, and the other end of each second link is rotatably connected with the lower guard bar 20.
A buffer mechanism 50 is disposed between the second link 420 and the lower guard bar 20, and the buffer mechanism 50 includes a link 510 and a variable resistance member 520. The link 510 has a movement end connected to the variable resistance member 520, one end of the link 510 is connected to the second link 420 to convert the variable rotation of the second link 420 into the variable linear movement of the movement end, the variable resistance member 520 is provided on the lower guard bar 20, and the variable resistance member 520 is configured to receive a resistance greater as the speed is greater.
The variable resistance member 520 is a hydraulic damper; the link 510 is a connecting rod, one end of which is rotatably connected to the second link 420, and the other end of which is configured as a movement end that is rotatably connected to the hydraulic damper.
The guardrail 100 further comprises: a rolling body 60 and a support 70, the rolling body 60 is provided on the moving end of the connecting rod, the support 70 is provided on the lower guard bar 20, and the rolling body 60 is stopped against the support 70. The rolling bodies 60 are rolling bearings, and the support 70 is a horizontal support plate.
The hydraulic damper part is stopped against the support part 70, the lower guard bar 20 is provided with a fixed seat 202, and the fixed seat 202 is connected with the hydraulic damper. The output rod of the damper is provided with a connecting block 5201, the output rod can be rotatably connected with the connecting rod through the connecting block 5201, and the rolling body 60 can be arranged on the connecting block 5201.
The upper guard bar 10 has a first receiving space in which the first link 410 is provided.
The lower guard bar 20 has a second receiving space 201, and the second link 420 is provided in the second receiving space 201.
The buffer mechanism 50 is provided in the second accommodation space 201, and the buffer mechanism 50 is provided on a side of the second link 420 away from the end of the lower guard bar 20. The second receiving space 201 is configured such that the telescopic bar 30 and the link mechanism 40 can be received in the second receiving space 201 when the upper guard bar 10 is lowered to be fitted over the lower guard bar 20.
The upper guard bar 10 and the lower guard bar 20 have the same structure, and the lower guard bar 20 includes a first connection plate 210 and a second connection plate 220 connected to the first connection plate 210, and a second receiving space 201 is defined between the second connection plate 220 and the first connection plate 210.
The lower guard bar 20 further includes: the sheath 230 is provided at both ends of the lower guard bar 20 in the longitudinal direction, and the end of the first connection plate 210 and the end of the second connection plate 220 are provided in the sheath 230.
A care bed according to an embodiment of the invention comprises a guard rail 100 according to any of the preceding.
According to the nursing bed provided by the embodiment of the invention, the guardrail 100 can be lifted up and down by arranging the guardrail 100, wherein the buffer mechanism 50 of the guardrail 100 can convert the variable-speed rotation of the second connecting rod 420 into the variable-speed linear motion at the tail end of the motion, the guardrail 100 can keep a more slow descending effect by the characteristic that the resistance is larger when the variable resistance piece 520 is subjected to higher speed, the buffer effect is excellent, the finger clamping can be effectively avoided, and the friction loss of parts can not be generated because a friction buffer mode is not adopted, so that the service life of the whole nursing bed is longer.
Other constructions, etc. and operations of the guard rail 100 according to the embodiment of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description herein, references to the description of the terms "embodiment," "example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A guardrail, comprising:
an upper guard bar;
a lower guard bar;
the telescopic rod is arranged between the upper guard bar and the lower guard bar;
the two ends of the telescopic rod are provided with the connecting rod mechanisms, each connecting rod mechanism comprises a first connecting rod and a second connecting rod, one end of each first connecting rod is rotatably connected with the telescopic rod, the other end of each first connecting rod is rotatably connected with the upper guard bar, one end of each second connecting rod is rotatably connected with the telescopic rod, and the other end of each second connecting rod is rotatably connected with the lower guard bar;
the buffer mechanism is arranged between the second connecting rod and the lower guard bar and comprises a linkage piece and a variable resistance piece, the linkage piece is provided with a motion tail end connected with the variable resistance piece, one end of the linkage piece is connected with the second connecting rod so as to convert the variable speed rotation of the second connecting rod into variable speed linear motion of the motion tail end, the variable resistance piece is arranged on the lower guard bar, and the resistance is increased when the variable resistance piece is constructed to be subjected to higher speed.
2. The guardrail of claim 1, wherein the variable resistance member is a damper; the linkage piece is a connecting rod, one end of the connecting rod is rotatably connected with the second connecting rod, the other end of the connecting rod is constructed into the motion tail end, and the motion tail end is rotatably connected with the damper.
3. The guardrail of claim 2, further comprising:
a rolling body provided on the moving end of the connecting rod;
and the support piece is arranged on the lower guard bar, and the rolling body abuts against the support piece.
4. The guardrail of claim 3 wherein the damper portion rests on the support member and the lower guard bar is provided with a mounting seat that is connected to the damper.
5. The guardrail of claim 1,
the upper guard bar is provided with a first accommodating space, and the first connecting rod is arranged in the first accommodating space;
the lower guard bar is provided with a second accommodating space, and the second connecting rod is arranged in the second accommodating space.
6. The guardrail of claim 5 wherein the dampening mechanism is disposed within the second receiving space and the dampening mechanism is disposed on a side of the second link distal from the end of the lower guard bar.
7. The guardrail of claim 5, wherein the second receiving space is configured such that the telescoping pole and the linkage are receivable within the second receiving space when the upper guard bar is lowered to abut the lower guard bar.
8. The guardrail of claim 5 wherein the upper and lower guard bars are identical in construction, the lower guard bar including a first connector plate and a second connector plate connected to the first connector plate, the second connector plate and the first connector plate defining the second receiving space therebetween.
9. The guardrail of claim 8, wherein the lower guard bar further comprises: the protective sleeve is arranged at two ends of the lower protective sleeve in the length direction, and the end part of the first connecting plate and the end part of the second connecting plate are arranged in the protective sleeve.
10. A care bed, characterized in that it comprises a guard rail according to any one of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011446073.5A CN112587336A (en) | 2020-12-08 | 2020-12-08 | Guardrail and nursing bed |
| PCT/CN2021/091933 WO2021223714A1 (en) | 2020-05-06 | 2021-05-06 | Lifting guardrail and nursing bed having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011446073.5A CN112587336A (en) | 2020-12-08 | 2020-12-08 | Guardrail and nursing bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112587336A true CN112587336A (en) | 2021-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011446073.5A Pending CN112587336A (en) | 2020-05-06 | 2020-12-08 | Guardrail and nursing bed |
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| Country | Link |
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| CN (1) | CN112587336A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021223714A1 (en) * | 2020-05-06 | 2021-11-11 | 广东博方众济医疗科技有限公司 | Lifting guardrail and nursing bed having same |
Citations (15)
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