CN113425518B - Novel wheelchair capable of passing through bed - Google Patents
Novel wheelchair capable of passing through bed Download PDFInfo
- Publication number
- CN113425518B CN113425518B CN202110847133.2A CN202110847133A CN113425518B CN 113425518 B CN113425518 B CN 113425518B CN 202110847133 A CN202110847133 A CN 202110847133A CN 113425518 B CN113425518 B CN 113425518B
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- Prior art keywords
- rod
- armrest
- strip
- shaped track
- horizontal telescopic
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- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 230000013872 defecation Effects 0.000 description 2
- 210000002414 leg Anatomy 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
Classifications
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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
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/006—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs convertible to stretchers or beds
-
- 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
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
-
- 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
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1056—Arrangements for adjusting the seat
-
- 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
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1091—Cushions, seats or abduction devices
-
- 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
- A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
- A61G7/1025—Lateral movement of patients, e.g. horizontal transfer
-
- 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
- A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
- A61G7/1049—Attachment, suspending or supporting means for patients
- A61G7/1059—Seats
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Nursing (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention provides a novel wheelchair capable of passing through a bed, which comprises a chassis, wherein a supporting main rod is arranged at the top of the chassis, and a supporting frame is arranged at the telescopic end of the supporting main rod; two opposite sides of the top of the supporting frame are provided with two strip-shaped track grooves, a rotary screw rod is accommodated in each strip-shaped track groove, one end of the rotary screw rod is sleeved with a connecting wheel, the rotary screw rods on the two strip-shaped track grooves are connected in a mode that the connecting wheels are connected through a connecting belt, the connecting belt is connected with a driving wheel, and the driving wheel is sleeved on an output shaft of a driving motor; a sliding block is sleeved on each rotating screw rod through threads; the top of the supporting frame is also provided with a first horizontal telescopic rod and a second horizontal telescopic rod; the seat board is arranged right above the supporting frame and is divided into two sub-boards, and the two sub-boards are separated or combined into a whole seat board under the telescopic action of the first horizontal telescopic rod and the second horizontal telescopic rod. The invention can assist a caregiver or family member in transferring a patient from a patient bed to a wheelchair or from a wheelchair to a patient bed.
Description
Technical Field
The invention relates to the technical field of wheelchairs, in particular to a novel wheelchair capable of passing through a bed.
Background
Wheelchairs are a common walking aid, particularly in hospitals, patients inconvenient to walk, such as hemiplegic patients and full paralysis patients, often need to be transported between a ward and an examination department, even between the ward and the examination department in an examination process, and the existing wheelchairs can only meet the walking requirement of the patients, but are inconvenient to transfer between the wheelchairs and the sickbed. Therefore, when a patient needs to be transferred from a sickbed to a wheelchair or the wheelchair needs to be transferred to the sickbed, at least two persons are often needed to assist the patient to move, and the physical strength of the assisting persons is consumed in the moving process, so that the patient is easy to fall down, and the moving safety is poor.
Disclosure of Invention
In view of the above, it is necessary to provide a novel wheelchair which can pass through a bed, can assist a nursing staff or a family member to transfer a patient from a hospital bed to the wheelchair or from the wheelchair to the hospital bed, has a good transfer effect, is safer, and can reduce the transfer burden of an operator to a great extent.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The novel wheelchair capable of passing through a bed comprises a chassis, wherein a movable wheel is arranged at the bottom of the chassis, a supporting main rod is arranged at the top of the chassis, the supporting main rod is an electric push rod and is vertically arranged, the fixed end of the supporting main rod is fixedly connected with the chassis, and a supporting frame is arranged at the telescopic end of the supporting main rod;
Two opposite sides of the top of the supporting frame are provided with two strip-shaped track grooves, the two strip-shaped track grooves are arranged in parallel, the notches of the two strip-shaped track grooves face upwards, a rotary screw rod is accommodated in each strip-shaped track groove, the rod body of the rotary screw rod is arranged in parallel with the length of the strip-shaped track groove, two ends of the rotary screw rod are rotationally connected with the strip-shaped track grooves, one end of the rotary screw rod is sleeved with a connecting wheel, the rotary screw rods on the two strip-shaped track grooves are connected in a mode that the connecting wheel is connected with the connecting belt, the connecting belt penetrates through the strip-shaped track grooves, driving wheels are connected to the outer sides of the strip-shaped track grooves, the driving wheels are positioned below the connecting wheels and sleeved on an output shaft of a driving motor, and the driving motor is arranged on the inner side of the supporting frame; a sliding block is sleeved on each rotating screw rod in a threaded manner, and is slidably arranged on the strip-shaped track groove, and the top of the sliding block extends out of the strip-shaped track groove from the notch of the strip-shaped track groove;
The top of the supporting frame is also provided with a first horizontal telescopic rod and a second horizontal telescopic rod, the rod lengths of the first horizontal telescopic rod and the second horizontal telescopic rod are vertical to the length of the strip-shaped track groove, and the first horizontal telescopic rod and the second horizontal telescopic rod are of a bidirectional telescopic structure and of an electric telescopic structure; the two ends of the fixed section of the first horizontal telescopic rod are in one-to-one correspondence with the sliding blocks on the two strip-shaped track grooves and are fixedly connected, the two telescopic ends of the first horizontal telescopic rod are positioned outside the two sliding blocks, the second horizontal telescopic rod and the first horizontal telescopic rod are positioned at the same horizontal height, the second horizontal telescopic rod is arranged at the outer side of one end of the two strip-shaped track grooves, the end of the second horizontal telescopic rod is opposite to the end where the connecting wheel is positioned, and the fixed section of the second horizontal telescopic rod is fixed on the supporting frame;
The seat board is divided into two sub boards which are arranged side by side and respectively correspond to a strip-shaped track groove, the bottom of one side of each sub board, which is away from the other sub board, is respectively connected with one telescopic end of a first horizontal telescopic rod and one telescopic end of a second horizontal telescopic rod, wherein the telescopic ends of the sub boards and the second horizontal telescopic rods are in sliding connection, the sliding direction is parallel to the length direction of the strip-shaped track groove, and the two sub boards are separated or combined into a whole seat board under the telescopic action of the first horizontal telescopic rod and the second horizontal telescopic rod;
The top of one side of each sub-plate, which is away from the other sub-plate, is provided with an armrest structure, the armrest structure comprises an armrest fixing rod, an armrest cross rod and an armrest movable rod, the rod length of the armrest cross rod is parallel to the length of the strip-shaped track groove, the armrest cross rod is fixed right above the seat plate through the armrest fixing rod, the armrest cross rod is of a hollow structure, one end of the armrest cross rod is provided with a connecting A part, the other end of the armrest cross rod is an open end, and the open ends of the armrest cross rods on the two sub-plates are not positioned at the same end; one end of the armrest movable rod is movably embedded in the armrest cross rod through a limiting block, the one end of the armrest movable rod is rotationally connected with the limiting block, the rotation axis is vertical, the other end of the armrest movable rod is a clamping end, the clamping end is provided with a connecting part B matched with the connecting part A, the clamping end is partially contained in the armrest cross rod or extends out of the armrest cross rod through the sliding of the limiting block relative to the armrest cross rod, and when the limiting block slides to the opening end, the armrest movable rod rotates around the rotating armrest cross rod of the limiting block through the armrest movable rod, and at the moment, the clamping end is clamped with the connecting part A of the other armrest cross rod through the connecting part B;
One side of the supporting frame is provided with a backrest, and the bottom of the backrest is connected to the chassis.
Preferably, a side of the supporting frame is provided with a picking and placing opening, the picking and placing opening is opened and closed through a picking and placing door, a bedpan is detachably placed in the supporting frame, and the bedpan opening of the bedpan is positioned under the joint of the two split plates.
Preferably, a first sliding sleeve and a second sliding sleeve are arranged at the bottom of one side of each sub-plate facing the other sub-plate, the first sliding sleeve is arranged on the fixed section of the first horizontal telescopic rod in a sliding mode, the second sliding sleeve is arranged on the fixed section of the second horizontal telescopic rod in a sliding mode, the second sliding sleeve is further connected with the sub-plates in a sliding mode, and the sliding direction is parallel to the length direction of the strip-shaped track groove.
Preferably, the expansion end of the first horizontal expansion link is connected with the sub-plate through a first connecting plate, the expansion end of the second horizontal expansion link is connected with the sub-plate through a second connecting plate, the second connecting plate is also connected with the sub-plate in a sliding mode, and the sliding direction is parallel to the length direction of the strip-shaped track groove.
Preferably, the connecting part A comprises a clamping groove and a clamping hole, the clamping groove is formed in one end part of the handrail cross rod, which is far away from the open end, the side surface of the other handrail cross rod, which is opposite to the clamping groove, and the opposite side surface of the other handrail cross rod are both free of groove walls, and the clamping hole is formed from the bottom of the handrail cross rod and is communicated with the clamping groove; the connecting part B comprises a placing groove, a reset spring and a clamping block, wherein the placing groove is formed in the bottom of the movable rod of the handrail, the reset spring is arranged in the placing groove, one end of the clamping block is connected with the reset spring, the other end of the clamping block stretches out of the placing groove in a natural state of the reset spring, and the clamping block is clamped into the clamping hole when the connecting part B is opposite to the connecting part A.
Preferably, a fixing hole communicated with the inside of the handrail cross rod is formed in the bottom of the open end of the handrail cross rod, the fixing hole is opposite to the clamping block when the clamping end of the handrail movable rod is contained in the handrail cross rod, and the clamping block is movably clamped into the fixing hole.
Preferably, the backrest comprises a fixed backboard and a movable backboard, one end of the fixed backboard is rotationally connected with the chassis, a rotation axis is horizontally arranged and parallel to the board surface of the fixed backboard, one end of the movable backboard is slidably sleeved on the other end of the fixed backboard, a pushing handle is arranged at the other end of the movable backboard, and the pushing handle is located on the board surface of the movable backboard, deviating from the supporting main rod.
Preferably, the bottom of the backrest is rotationally connected with the chassis through a rotary sleeve, and the rotary sleeve is sleeved on the fixed section of the support main rod.
Preferably, the rotary sleeve is provided with a locking member for preventing the rotary sleeve from rotating relative to the support main.
Preferably, a foot pedal is mounted on a side of the swivel sleeve opposite to the side on which the backrest is located.
Compared with the prior art, the invention has the following beneficial effects:
1. According to the invention, the seat board is divided into two sub-boards, the two sub-boards are opened or closed under the action of the first horizontal telescopic rod and the second horizontal telescopic rod, the two sub-boards can slide forwards and backwards under the action of the driving motor, the rotating screw rod and the sliding block, the two sub-boards of the seat can be transferred from the chair to the sickbed or from the sickbed to the wheelchair by matching with the telescopic action of the first horizontal telescopic rod and the second horizontal telescopic rod and the lifting action of the supporting main rod, specifically, when a patient needs to be transferred from the wheelchair to the sickbed, the supporting main rod lifts the seat board to be higher than the surface of the sickbed, an operator lifts the legs of the patient, the driving motor operates, the sliding block drives the first horizontal telescopic rod and the seat board to move forwards through rotating the screw rod until the seat board and the patient are positioned right above the surface of the sickbed, the supporting main rod descends to the seat board to be attached to the surface of the sickbed, the first horizontal telescopic rod and the second horizontal telescopic rod simultaneously extend to enable the two sub-boards of the seat are opened until the patient is separated from the seat board, the driving motor reversely operates, and enables the patient to move backwards to reset, and then the patient is completely contracted to complete the operation of the two sub-boards from the wheelchair; when a patient needs to be transferred onto the sickbed from the sickbed, the patient is in an open state and moves forward onto the sickbed, and the two split plates are attached to the surface of the sickbed, fall on the left side and the right side of the patient, and are shoveled into from the buttocks of the patient in a shovel mode through the contraction action of the first horizontal telescopic rod and the second horizontal telescopic rod until the two split plates are closed, the patient sits on the seat plate, and the driving motor runs reversely, so that the patient can be moved onto the wheelchair from the sickbed; the mode is easy to operate, can facilitate the transportation of patients and realize the operation of patients passing through the bed.
2. The invention can protect the patient in the transferring process by surrounding through the arrangement of the armrest structure, and avoids falling from the seat plate, in particular, the two side armrest cross bars and the upper armrest movable rod form a closed annular structure by connecting the two armrest cross bars, and the upper half body of the patient is enclosed in the annular structure, so that the patient is protected, therefore, the invention can improve the safety of the patient in the transferring process and has better practicability.
Drawings
Fig. 1 is a schematic view of a backrest storing and rotating tilting structure of the present invention.
Fig. 2 is a schematic view of the backrest of the present invention in use.
Fig. 3 is a partial cross-sectional view of the seat pan of fig. 3 as it advances.
Fig. 4 is a schematic structural view of the support frame and its upper structure of fig. 3.
Fig. 5 is a schematic view of the seat plate and its upper structure in fig. 4.
Fig. 6 is a left side cross-sectional view of fig. 3, showing the armrest structure in a closed loop configuration.
Fig. 7 is an enlarged view at a in fig. 6.
Fig. 8 is a left side cross-sectional view of fig. 3, showing the seat plate in an open state.
Fig. 9 is a top view of the armrest structure in a closed loop configuration.
Description of the main reference signs
In the figure: chassis 1, moving wheel 2, support main bar 3, support frame 4, pick-and-place door 41, strip-shaped rail groove 5, rotating screw 51, connecting wheel 52, connecting belt 53, driving wheel 54, driving motor 55, slider 56, first horizontal telescopic rod 6, first connecting plate 61, first sliding sleeve 62, second horizontal telescopic rod 7, first connecting plate 71, second sliding sleeve 72, seat plate 8, separating plate 81, armrest structure 9, armrest fixing rod 91, armrest cross bar 92, armrest movable rod 93, connecting B portion 94, placing groove 941, return spring 942, fixture block 943, connecting a portion 95, fixture groove 951, fixture hole 952, stopper 96, backrest 10, fixed backboard 101, movable backboard 102, push handle 103, rotating sleeve 20, locking piece 201, foot pedal 30, bedpan 40.
The invention will be further described in the following detailed description in conjunction with the above-described figures.
Detailed Description
Referring to fig. 1 to 9, in a preferred embodiment of the present invention, a novel wheelchair capable of passing through a bed comprises a chassis 1, wherein a moving wheel 2 is arranged at the bottom of the chassis 1, and a brake structure is preferably arranged on the moving wheel 2; the top of chassis 1 is provided with supports mobile jib 3, support mobile jib 3 is electric putter, and its is vertical to be placed, the fixed end of supporting mobile jib 3 links firmly chassis 1, the flexible end installation braced frame 4 of support mobile jib 3.
Two strip-shaped track grooves 5 are formed in two opposite sides of the top of the supporting frame 4, the two strip-shaped track grooves 5 are arranged in parallel, the notches of the two strip-shaped track grooves 5 face upwards, a rotary screw rod 51 is arranged on each strip-shaped track groove 5 in a sleeved mode, a rod body of the rotary screw rod 51 is parallel to the length of the strip-shaped track groove 5, two ends of the rotary screw rod 51 are rotationally connected with the strip-shaped track grooves 5, a connecting wheel 52 is sleeved at one end of the rotary screw rod 51, the rotary screw rods 51 on the two strip-shaped track grooves 5 are connected with the connecting wheel 52 through a connecting belt 53, the connecting belt 53 penetrates through the strip-shaped track grooves 5, a driving wheel 54 is connected with the outer side of the strip-shaped track grooves 5, the driving wheel 54 is located below the connecting wheel 52 and sleeved on an output shaft of a driving motor 55, the driving motor 55 is installed on the inner side of the supporting frame 4, the driving motor 55 rotates through the driving wheel 54, and the driving screw rod 51 connected with the connecting wheel 52 is enabled to rotate through the connecting belt 53 in a mode that the connecting belt 53 causes the rotary screw rod 51 connected with the connecting wheel 52 to rotate, and the driving motor 55 to rotate in a servo motor capable of rotating positively and reversely. The sliding block 56 is sleeved on each rotating screw rod 51 in a threaded manner, the sliding block 56 is slidably mounted on the strip-shaped track groove 5, the top of the sliding block 56 extends out of the strip-shaped track groove 5 from the notch of the strip-shaped track groove 5, and the sliding block 56 moves back and forth on the strip-shaped track groove 5 under the action of the rotating screw rods 51.
The top of the supporting frame 4 is also provided with a first horizontal telescopic rod 6 and a second horizontal telescopic rod 7, the rod lengths of the first horizontal telescopic rod 6 and the second horizontal telescopic rod 7 are vertical to the length of the strip-shaped track groove 5, and the first horizontal telescopic rod 6 and the second horizontal telescopic rod 7 are of a bidirectional telescopic structure and an electric telescopic structure; the two ends of the fixed section of the first horizontal telescopic rod 6 are in one-to-one correspondence with the sliding blocks 56 on the two strip-shaped track grooves 5 and are fixedly connected with the sliding blocks 56, the sliding blocks can move forwards and backwards along with the movement of the sliding blocks 56, the two telescopic ends of the first horizontal telescopic rod 6 are located outside the two sliding blocks 56, the second horizontal telescopic rod 7 and the first horizontal telescopic rod 6 are located at the same horizontal height, the second horizontal telescopic rod 7 is arranged outside one end of the two strip-shaped track grooves 5, the end of the second horizontal telescopic rod is opposite to the end where the connecting wheel 52 is located, and the fixed section of the second horizontal telescopic rod 7 is fixed on the supporting frame 4.
The seat board 8 is arranged right above the supporting frame 4, the seat board 8 is divided into two sub-boards 81, the two sub-boards 81 are arranged side by side and are respectively arranged corresponding to a strip-shaped track groove 5, one side bottom of each sub-board 81, which is away from the other sub-board 81, is respectively connected with one telescopic end of the first horizontal telescopic rod 6 and one telescopic end of the second horizontal telescopic rod 7, wherein the sub-boards 81 are in sliding connection with the telescopic ends of the second horizontal telescopic rod 7, the sliding direction is parallel to the length direction of the strip-shaped track groove 5, so that the sub-boards 81 can also slide relative to the second horizontal telescopic rod 7 when moving forwards and backwards along with the first horizontal telescopic rod 6 and are separated from the second horizontal telescopic rod 7, and the two sub-boards 81 are separated or combined into a whole seat board 8 under the telescopic action of the first horizontal telescopic rod 6 and the second horizontal telescopic rod 7; that is, the two sub-plates 81 are separated from each other by the first horizontal telescopic rod 6 and the second horizontal telescopic rod 7, so that a patient can be conveniently lifted or put down, and the driving motor 55, the rotating screw rod 51 and the sliding block 56 can move back and forth, so that the patient can be transferred from a sickbed to a wheelchair or from the wheelchair to the sickbed, and in addition, the lifting function of the supporting main rod 3 is matched, so that the vertical distance between the seat plate 8 and the bed surface can be adjusted as required, and the transfer of the patient can be conveniently realized. Preferably, a first sliding sleeve 62 and a second sliding sleeve 72 are arranged at the bottom of one side of each sub-plate 81 facing the other sub-plate 81, the first sliding sleeve 62 is sleeved on the fixed section of the first horizontal telescopic rod 6 in a sliding manner, the second sliding sleeve 72 is sleeved on the fixed section of the second horizontal telescopic rod 7 in a sliding manner, the second sliding sleeve 72 is also connected with the sub-plates 81 in a sliding manner, and the sliding direction is parallel to the length direction of the strip-shaped track groove 5, so that the sub-plates 81 can be stably installed and slid through the first sliding sleeve 62 and the second sliding sleeve 72; the expansion end of the first horizontal expansion link 6 is connected with the sub-plate 81 through the first connecting plate 61, the expansion end of the second horizontal expansion link 7 is connected with the sub-plate 81 through the second connecting plate 71, the second connecting plate 71 is further connected with the sub-plate 81 in a sliding mode, and the sliding direction is parallel to the length direction of the strip-shaped track groove 5, so that the sub-plate 81 is attached to a bed surface, and meanwhile the first horizontal expansion link 6 and the second horizontal expansion link 7 are not influenced to drive the sub-plate 81 to open and close.
The top of one side of each sub-plate 81, which faces away from the other sub-plate 81, is provided with a handrail structure 9, the handrail structure 9 comprises a handrail fixing rod 91, a handrail cross rod 92 and a handrail movable rod 93, the rod length of the handrail cross rod 92 is parallel to the length of the strip-shaped track groove 5, the handrail cross rod is fixed right above the seat plate 8 through the handrail fixing rod 91, the handrail cross rod 92 is of a hollow structure, one end of the handrail cross rod 92 is provided with a connecting A part 95, the other end of the handrail cross rod is an open end, and the open ends of the handrail cross rods 92 on the two sub-plates 81 are not positioned at the same end; One end of the armrest movable rod 93 is movably embedded in the armrest cross rod 92 through a limiting block 96, the one end of the armrest movable rod 93 is rotationally connected with the limiting block 96, the rotation axis is vertical, the other end of the armrest movable rod 93 is a clamping end, the clamping end is provided with a connecting B part 94 matched with the connecting A part 95, the clamping end is partially contained in the armrest cross rod 92 or extends out of the armrest cross rod 92 through the sliding of the limiting block 96 relative to the armrest cross rod 92, when the limiting block 96 slides to the open end, the armrest movable rod 93 rotates around the armrest cross rod 92 through the armrest movable rod 93, At this time, the clamping end is clamped with the connecting A part 95 of the other handrail cross rod 92 through the connecting B part 94 thereof, so that a closed annular structure is formed between the handrail structures 9 at two sides in a mode that two ends of the handrail movable rod 93 are connected with the handrail cross rods 92 at two sides, thereby protecting the upper half of the patient, preventing the patient from sliding down in the process of transferring from a sickbed to a wheelchair or the wheelchair to the sickbed, improving the safety of the transferring process, and detaching the connecting B part 94 of the handrail movable rod 93 from the connecting A part 95 on the handrail cross rod 92 when the patient is not transferred or the patient is not required to be protected by looping, the handrail movable rod 93 rotates and retracts into the handrail cross rod 92 where the handrail movable rod 93 is positioned, thereby realizing hiding and avoiding the arrangement of the handrail from interfering the use of the handrail. Preferably, in this embodiment, the connection a portion 95 includes a slot 951 and a slot 952, the slot 951 is formed at an end of the handrail rail 92 facing away from the open end, the slot 951 is opposite to a side surface and an opposite side surface of the other handrail rail 92, and the slot 952 is formed from a bottom of the handrail rail 92 and is in communication with the slot 951; the connecting portion B94 includes a placement groove 941, a return spring 942, and a clamping block 943, where the placement groove 941 is formed at the bottom of the armrest movable rod 93, the return spring 942 is contained in the placement groove 941, one end of the clamping block 943 is connected to the return spring 942, and the other end of the clamping block 943 extends out of the placement groove 941 in a natural state of the return spring 942, and the clamping block 943 is clamped into the clamping hole 952 when the connecting portion B94 is opposite to the connecting portion a 95; Further, a fixing hole communicated with the inside of the armrest cross rod 92 is formed in the bottom of the open end of the armrest cross rod 92, the fixing hole is opposite to the clamping block 943 when the clamping end of the armrest movable rod 93 is accommodated in the armrest cross rod 92, and the clamping block 943 is movably clamped into the fixing hole so as to stably fix the armrest movable rod 93 in the armrest cross rod 92. It is further preferred that the armrest movable rod 93 is of a telescopic structure so that the armrest movable rod 93 is connected to the both side armrest crossbars 92.
A backrest 10 is arranged on one side of the support frame 4, and the bottom of the backrest 10 is connected to the chassis 1. Preferably, the backrest 10 includes a fixed backboard 101 and a movable backboard 102, one end of the fixed backboard 101 is rotatably connected with the chassis 1, a rotation axis is horizontally arranged and parallel to the board surface of the fixed backboard 101, one end of the movable backboard 102 is slidably sleeved on the other end of the fixed backboard 101, the other end of the movable backboard 102 is provided with a push handle 103, the push handle 103 is located on the board surface of the movable backboard 102 deviating from the support main rod 3, so that the backrest 10 is convenient to shorten when the backrest 10 is not needed in a manner of being sleeved on the fixed backboard 101 through the movable backboard 102, and the rotation connection manner of the fixed backboard 101 enables the backrest 10 to be lower than a seat when the backrest 10 is not used. Further, the bottom of the backrest 10 is rotatably connected with the chassis 1 through the rotating sleeve 20, and the rotating sleeve 20 is sleeved on the fixed section of the supporting main rod 3, so that the backrest 10 can rotate, and the position of the backrest 10 can be adjusted according to the use requirement, for example, when a patient is transferred in a wheelchair-facing manner, the backrest 10 can be finally positioned on the back of the patient sitting on the seat plate 8 by rotating the backrest 10. Further preferably, the rotating sleeve 20 is provided with a locking member 201 for preventing the rotating sleeve from rotating relative to the support main 3, and the locking member 201 may be a locking screw. Preferably, a foot pedal 30 is mounted on a side of the rotating sleeve 20 opposite to the side of the backrest 10, the foot pedal 30 can be used for placing feet of a patient, and the foot pedal 30 can be comfortably placed by patients with different leg lengths by cooperating with the lifting function of the supporting main rod 3, preferably has a telescopic structure, so that the foot pedal 30 can be stretched out when in use and retracted to be right under the seat plate 8 when not in use, and the foot pedal 30 part under the seat can also be used for placing articles.
Further, a side of the supporting frame 4 is provided with a taking and placing opening, the taking and placing opening is opened and closed through a taking and placing door 41, the bedpan 40 is detachably placed in the supporting frame 4, the opening of the bedpan 40 is positioned under the joint of the two dividing plates 81, so that the device can facilitate the defecation of a patient through the arrangement of the bedpan 40, when the defecation is needed, the two dividing plates 81 are in an opened state, the bedpan 40 can be exposed, and the bedpan 40 after the use is taken out through the taking and placing opening.
The foregoing description is directed to the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the invention, and all equivalent changes or modifications made under the technical spirit of the present invention should be construed to fall within the scope of the present invention.
Claims (8)
1. The utility model provides a novel wheelchair that can cross bed, includes the chassis, the chassis bottom is provided with removes the wheel, its characterized in that: the top of the chassis is provided with a supporting main rod, the supporting main rod is an electric push rod and is vertically arranged, the fixed end of the supporting main rod is fixedly connected with the chassis, and the telescopic end of the supporting main rod is provided with a supporting frame;
Two opposite sides of the top of the supporting frame are provided with two strip-shaped track grooves, the two strip-shaped track grooves are arranged in parallel, the notches of the two strip-shaped track grooves face upwards, a rotary screw rod is accommodated in each strip-shaped track groove, the rod body of the rotary screw rod is arranged in parallel with the length of the strip-shaped track groove, two ends of the rotary screw rod are rotationally connected with the strip-shaped track grooves, one end of the rotary screw rod is sleeved with a connecting wheel, the rotary screw rods on the two strip-shaped track grooves are connected in a mode that the connecting wheel is connected with the connecting belt, the connecting belt penetrates through the strip-shaped track grooves, driving wheels are connected to the outer sides of the strip-shaped track grooves, the driving wheels are positioned below the connecting wheels and sleeved on an output shaft of a driving motor, and the driving motor is arranged on the inner side of the supporting frame; a sliding block is sleeved on each rotating screw rod in a threaded manner, and is slidably arranged on the strip-shaped track groove, and the top of the sliding block extends out of the strip-shaped track groove from the notch of the strip-shaped track groove;
The top of the supporting frame is also provided with a first horizontal telescopic rod and a second horizontal telescopic rod, the rod lengths of the first horizontal telescopic rod and the second horizontal telescopic rod are vertical to the length of the strip-shaped track groove, and the first horizontal telescopic rod and the second horizontal telescopic rod are of a bidirectional telescopic structure and of an electric telescopic structure; the two ends of the fixed section of the first horizontal telescopic rod are in one-to-one correspondence with the sliding blocks on the two strip-shaped track grooves and are fixedly connected, the two telescopic ends of the first horizontal telescopic rod are positioned outside the two sliding blocks, the second horizontal telescopic rod and the first horizontal telescopic rod are positioned at the same horizontal height, the second horizontal telescopic rod is arranged at the outer side of one end of the two strip-shaped track grooves, the end of the second horizontal telescopic rod is opposite to the end where the connecting wheel is positioned, and the fixed section of the second horizontal telescopic rod is fixed on the supporting frame;
The seat board is divided into two sub boards which are arranged side by side and respectively correspond to a strip-shaped track groove, the bottom of one side of each sub board, which is away from the other sub board, is respectively connected with one telescopic end of a first horizontal telescopic rod and one telescopic end of a second horizontal telescopic rod, wherein the telescopic ends of the sub boards and the second horizontal telescopic rods are in sliding connection, the sliding direction is parallel to the length direction of the strip-shaped track groove, and the two sub boards are separated or combined into a whole seat board under the telescopic action of the first horizontal telescopic rod and the second horizontal telescopic rod;
The top of one side of each sub-plate, which is away from the other sub-plate, is provided with an armrest structure, the armrest structure comprises an armrest fixing rod, an armrest cross rod and an armrest movable rod, the rod length of the armrest cross rod is parallel to the length of the strip-shaped track groove, the armrest cross rod is fixed right above the seat plate through the armrest fixing rod, the armrest cross rod is of a hollow structure, one end of the armrest cross rod is provided with a connecting A part, the other end of the armrest cross rod is an open end, and the open ends of the armrest cross rods on the two sub-plates are not positioned at the same end; one end of the armrest movable rod is movably embedded in the armrest cross rod through a limiting block, one end of the armrest movable rod, which is movably embedded in the armrest cross rod, is rotationally connected with the limiting block, the rotation axis is vertical, the other end of the armrest movable rod is a clamping end, the clamping end is provided with a connecting part B matched with the connecting part A, the clamping end is partially contained in the armrest cross rod or extends out of the armrest cross rod through the sliding of the limiting block relative to the armrest cross rod, and when the limiting block slides to the open end, the armrest movable rod rotates around the limiting block through the armrest movable rod to vertical the armrest cross rod, and at the moment, the clamping end is clamped with the connecting part A of the other armrest cross rod through the connecting part B;
a backrest is arranged on one side of the supporting frame, and the bottom of the backrest is connected to the chassis;
A first sliding sleeve and a second sliding sleeve are arranged at the bottom of one side of each sub-plate facing the other sub-plate, the first sliding sleeve is sleeved on the fixed section of the first horizontal telescopic rod in a sliding manner, the second sliding sleeve is sleeved on the fixed section of the second horizontal telescopic rod in a sliding manner, and the second sliding sleeve is also connected with the sub-plates in a sliding manner, and the sliding direction is parallel to the length direction of the strip-shaped track groove;
The telescopic end of the first horizontal telescopic rod is connected with the sub-plates through a first connecting plate, the telescopic end of the second horizontal telescopic rod is connected with the sub-plates through a second connecting plate, the second connecting plate is further connected with the sub-plates in a sliding mode, and the sliding direction is parallel to the length direction of the strip-shaped track groove.
2. A novel wheelchair capable of passing through a bed as claimed in claim 1, wherein: the side of braced frame has gets and puts the mouth, get and put the mouth and open and shut through getting and put the door, the bedpan has been placed to dismantling in the braced frame, the bedpan mouth of bedpan is located under the junction of two division boards.
3. A novel wheelchair capable of passing through a bed as claimed in claim 1, wherein: the connecting part A comprises a clamping groove and a clamping hole, the clamping groove is formed in one end part of the handrail cross rod, which is away from the open end, the side surface of the handrail cross rod, which is opposite to the other handrail cross rod, and the opposite side surface of the handrail cross rod are both free of groove walls, and the clamping hole is formed in the bottom of the handrail cross rod and is communicated with the clamping groove; the connecting part B comprises a placing groove, a reset spring and a clamping block, wherein the placing groove is formed in the bottom of the movable rod of the handrail, the reset spring is arranged in the placing groove, one end of the clamping block is connected with the reset spring, the other end of the clamping block stretches out of the placing groove in a natural state of the reset spring, and the clamping block is clamped into the clamping hole when the connecting part B is opposite to the connecting part A.
4. A novel wheelchair capable of passing through a bed as claimed in claim 3, wherein: the bottom of the open end of the handrail cross rod is provided with a fixing hole communicated with the interior of the handrail cross rod, the fixing hole is opposite to the clamping block when the clamping end of the handrail movable rod is accommodated in the handrail cross rod, and the clamping block is movably clamped into the fixing hole.
5. A novel wheelchair capable of passing through a bed as claimed in claim 1, wherein: the backrest comprises a fixed backboard and a movable backboard, wherein one end of the fixed backboard is rotationally connected with a chassis, a rotation axis is horizontally arranged and parallel to the board surface of the fixed backboard, one end of the movable backboard is slidably sleeved on the other end of the fixed backboard, a pushing handle is arranged at the other end of the movable backboard, and the pushing handle is located on the board surface of the movable backboard, deviating from the support main rod.
6. A novel wheelchair capable of passing through a bed as in claim 5, wherein: the bottom of the backrest is rotationally connected with the chassis through a rotary sleeve, and the rotary sleeve is sleeved on the fixed section of the support main rod.
7. A novel wheelchair capable of passing through a bed as in claim 6, wherein: the rotary sleeve is provided with a locking piece for preventing the rotary sleeve from rotating relative to the support main rod.
8. A novel wheelchair capable of passing through a bed as in claim 7, wherein: foot pedals are mounted on one side of the rotating sleeve, and one side of the rotating sleeve, on which the foot pedals are mounted, is opposite to the side of the backrest.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110847133.2A CN113425518B (en) | 2021-07-27 | 2021-07-27 | Novel wheelchair capable of passing through bed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110847133.2A CN113425518B (en) | 2021-07-27 | 2021-07-27 | Novel wheelchair capable of passing through bed |
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| Publication Number | Publication Date |
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| CN113425518A CN113425518A (en) | 2021-09-24 |
| CN113425518B true CN113425518B (en) | 2024-08-20 |
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| CN202110847133.2A Active CN113425518B (en) | 2021-07-27 | 2021-07-27 | Novel wheelchair capable of passing through bed |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN215779260U (en) * | 2021-07-27 | 2022-02-11 | 广西壮族自治区荣誉军人康复医院 | Novel wheelchair capable of passing through bed |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108478341A (en) * | 2018-03-28 | 2018-09-04 | 柳州市妇幼保健院 | A kind of wheelchair convenient for paralytic's transfer |
| CN211382251U (en) * | 2019-10-22 | 2020-09-01 | 柳州市柳铁中心医院 | Wheelchair capable of passing through bed |
| CN212973297U (en) * | 2020-04-24 | 2021-04-16 | 浙江大学医学院附属邵逸夫医院 | An out-of-bed rehabilitation chair with defecation and exercise mechanism |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN215779260U (en) * | 2021-07-27 | 2022-02-11 | 广西壮族自治区荣誉军人康复医院 | Novel wheelchair capable of passing through bed |
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| CN113425518A (en) | 2021-09-24 |
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