阅读说明：本技术 一种可辅助上下床的轮椅 (Wheelchair capable of assisting getting on and off bed ) 是由 张雪峰 程立艳 徐锐 殷韦韦 汪列隆 袁力 宋李玲 熊雨婷 查子恺 赵鹏亮 汤鑫 于 2019-12-09 设计创作，主要内容包括：本发明公开了一种可辅助上下床的轮椅,包含座架、设置于座架上的椅架、设置于座架下方的滚轮组件、椅背和用于搭脚的脚踏架,所述椅架上通过滑轨结构活动安装有在水平方向上可沿滑轨向左或右移动的椅座,所述椅背铰接在椅座的后侧沿上,所述脚踏架铰接在椅座前侧沿上,所述椅座或椅背上设有活动安装的且可以翻转或折叠收纳的扶手,所述椅架的高度高于床铺床面所在的高度。本发明将椅座直接平移送到床面上,再将患者从椅座上平移到床面上即可完成上床操作,省时省力,省去多余的搬运操作而不会对患者造成二次伤害。(The invention discloses a wheelchair capable of assisting getting on and off a bed, which comprises a seat frame, a seat frame arranged on the seat frame, a roller assembly arranged below the seat frame, a chair back and a pedal frame for carrying feet, wherein the seat frame is movably provided with a chair seat capable of moving leftwards or rightwards along a sliding rail in the horizontal direction through a sliding rail structure, the chair back is hinged on the rear side edge of the seat frame, the pedal frame is hinged on the front side edge of the seat frame, the chair seat or the chair back is provided with a movably arranged handrail capable of being turned or folded for storage, and the height of the seat frame is higher than the height of the bed surface of a bed. The invention can directly translate the chair seat to the bed surface and then translate the patient from the chair seat to the bed surface to finish the operation of getting on the bed, thereby saving time and labor, saving redundant carrying operation and causing no secondary damage to the patient.)

1. A wheelchair capable of assisting getting on and off a bed is characterized in that: contain the seat frame, set up the chair frame on the seat frame, set up in wheel components, the back of the chair of seat frame below and be used for taking the pedal frame of foot, have the seat support that can follow the slide rail and remove left or right on the horizontal direction through slide rail structure movable mounting on the chair frame, the back of the chair articulates on the rear side edge of seat support, pedal frame articulates on the seat support front side edge, be equipped with movable mounting on the seat support or the back of the chair and can overturn or fold the handrail of accomodating, the height that highly is higher than the bed surface place of bed of chair frame.

2. The wheelchair of claim 1, wherein the wheelchair further comprises: and a telescopic frame for supporting the chair frame to move up and down is arranged between the seat frame and the chair frame.

3. The wheelchair of claim 2, wherein the wheelchair further comprises: the telescopic frame is a pressing ascending type jack, and a pressing rod and a rotary type pressure release valve are arranged on the jack.

4. The wheelchair of claim 2, wherein the wheelchair further comprises: the wheelchair comprises a wheelchair body, and is characterized in that the telescopic frame is an electric telescopic rod, a power supply device for supplying power to the electric telescopic rod is arranged on the seat frame, and a controller for controlling the electric telescopic rod to work is arranged on the wheelchair.

5. The wheelchair of claim 2, wherein the wheelchair further comprises: the telescopic frame comprises a connecting rod assembly, the connecting rod assembly comprises an A rod, a B rod, a C rod, a D rod which are hinged into a parallelogram in pairs, an E rod which is hinged on a support rod on a seat frame by taking the middle part as a fulcrum to form a lever, and an F rod which is arranged in parallel with the E rod, the A rod and the C rod are vertical rods, the B rod and the D rod are transverse rods, the chair frame is arranged at the top of the A rod, one end of the E rod is coaxially hinged with the hinged part of the C rod and the D rod, one end of the F rod is coaxially hinged with the hinged part of the B rod and the C rod, the other end of the F rod is hinged on the seat frame, one end of the D rod close to the C rod is provided with a section of extension rod which inclines obliquely downwards, the end part of the extension rod is hinged with the G rod, the other end of the G rod is coaxially hinged with the hinged part of the F rod and the seat frame, and the seat frame is provided with a driving component which is hinged with the other end of the E rod and can drive the E rod to do lever motion around the support post rod.

6. The wheelchair of claim 5 wherein: the driving assembly is of a screw rod structure, the screw rod structure is composed of a screw rod, a screw rod nut and a rotating handle, the screw rod nut is hinged with the end portion of the E rod, the screw rod is installed on the seat frame through a bearing, and the rotating handle is coaxially installed at the end portion of the screw rod.

7. The wheelchair of claim 5 wherein: the wheelchair comprises a seat frame, a driving assembly, a seat frame and a wheelchair body, wherein the driving assembly is an electric telescopic rod, a power supply device for supplying power to the electric telescopic rod is arranged on the seat frame, and a controller for controlling the electric telescopic rod to work is arranged on the wheelchair.

8. The wheelchair of claim 1, wherein the wheelchair further comprises: the seat frame is provided with a supporting column which is used for supporting and fixing the chair frame under the retraction state of the telescopic frame, and the bottom of the chair frame is provided with a column embedding hole which is matched with the supporting column in position and shape and is used for inserting the supporting column.

9. The wheelchair of claim 4 or 7, wherein: an electric telescopic rod for pushing and pulling the chair back to stand up and level is arranged between the chair back and the chair seat, an electric telescopic rod for pushing and pulling the pedal frame to level and putting the electric telescopic rod down is arranged between the pedal frame and the chair seat, and an electric telescopic rod for pushing and pulling the chair seat to move back and forth on the chair frame is arranged between the chair frame and the chair seat.

10. The wheelchair of claim 4, wherein the wheelchair further comprises: the utility model discloses a chair, including seat frame, seat support, slide bar, lead screw assembly, electric control formula, the seat frame is last to be located the seat support and to be equipped with the string bedstead along one side that the chair frame stretches out, it is manual mechanical type or for electric control formula to hang the bedstead, manual mechanical type string bedstead sets up in slide bar outside end lead screw subassembly and sets up in the string bed pole that lead screw top horizontal direction set up including setting up the sliding sleeve on the seat frame, setting up slide bar, the vertical direction that stretch out in the sliding sleeve to outside level, the lead screw assembly comprises lead screw nut, the lead screw of installing in the nut that sets up on the slide bar and the commentaries on classics handle that sets up in the lead screw bottom, electric control formula hangs the bedstead including setting up in the horizontal electric telescopic handle outside horizontal electric telescopic.

11. The wheelchair of claim 10 wherein: the utility model discloses a chair, including seat frame, sliding rod, electric control formula, ground stake, the seat frame is located the seat frame and is equipped with the stake of propping that props the ground along the opposite side that the chair frame stretches out and/or the one side at the back of the chair place, prop the ground stake for manual mechanical type or for electric control formula, manual mechanical type props the ground stake including set up sliding sleeve on the seat frame, set up slide bar, the level that outwards the level stretches out in the sliding sleeve and set up in the screw-nut of slide bar outside tip, vertical lead screw of installing in the screw-nut, set up in the ground dish that props of lead screw bottom, set up in the commentaries on classics handle on the lead screw top, electric control formula props the ground stake and contains the horizontal electric telescopic handle that.

Technical Field

The invention belongs to the field of wheelchairs of medical equipment, and particularly relates to a wheelchair capable of assisting getting on and off a bed.

Background

Wheelchairs are a tool for special people such as disabled, physically weak in the years, and patients in clinical rehabilitation, and are widely used due to convenience and easy operability. The existing wheelchairs allow a rider to go up and down from the front, but for some serious patients or people with high disabilities, when the rider needs to leave the wheelchairs to go to bed for rest, the patient independently goes to bed or is helped by a single other person to go to bed, the difficulty is very high, especially when the weight of some patients is large or the injured part is not suitable to be supported, the single or multiple helpers are difficult to lift the patient to the bed, especially in the moving process, the injured part of the patient is easy to cause secondary injury, and therefore the existing wheelchairs need to be improved.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a wheelchair capable of assisting in getting on and off a bed, wherein a seat is directly translated and conveyed onto a bed surface, and a patient is translated onto the bed surface from the seat, so that the operation of getting on the bed can be completed, time and labor are saved, and redundant carrying operation is saved without causing secondary damage to the patient.

The technical scheme of the invention is as follows:

the utility model provides a can assist wheelchair of going to bed or not, contains the seat frame, sets up the chair frame on the seat frame, sets up in wheel components, the back of the chair of seat frame below and is used for taking the pedal frame of foot, have the seat support that can follow the slide rail and remove left or right on the horizontal direction through slide rail structure movable mounting on the chair frame, the back of the chair articulates on the rear side edge of seat support, pedal frame articulates on the seat support front side edge, be equipped with movable mounting on the seat support or the back of the chair and can overturn or fold the handrail of accomodating, the height that highly is higher than the bed surface place of bed of chair frame.

Furthermore, a telescopic frame for supporting the chair frame to move up and down is arranged between the seat frame and the chair frame.

Furthermore, the telescopic frame is a pressing ascending type jack, and a pressing rod and a rotary type pressure release valve are arranged on the jack.

Furthermore, the expansion bracket is an electric expansion link, the seat frame is provided with a power supply device for supplying power to the electric expansion link, and the wheelchair is provided with a controller for controlling the electric expansion link to work.

Further, the expansion bracket comprises a connecting rod assembly, the connecting rod assembly comprises an A rod, a B rod, a C rod, a D rod, an E rod and an F rod, the A rod, the B rod, the C rod and the D rod are hinged into a parallelogram in pairs, the E rod is hinged on a support rod on the seat frame by taking the middle part as a fulcrum to form a lever, and the F rod is arranged in parallel with the E rod, the A rod and the C rod are vertical rods, the B rod and the D rod are transverse rods, the chair frame is arranged at the top of the A rod, one end of the E rod is coaxially hinged with the hinged part of the C rod and the D rod, one end of the F rod is coaxially hinged with the hinged part of the B rod and the C rod, the other end of the F rod is hinged on the seat frame, one end of the D rod close to the C rod is provided with a section of extension rod which inclines obliquely downwards, the end part of the extension rod is hinged with the G rod, the other end of the G rod is coaxially hinged with the hinged part of the F rod and the seat frame, and the seat frame is provided with a driving component which is hinged with the other end of the E rod and can drive the E rod to do lever motion around the support post rod.

Furthermore, the driving assembly is of a screw rod structure, the screw rod structure is composed of a screw rod, a screw rod nut and a rotating handle, the screw rod nut is hinged to the end portion of the E rod, the screw rod is installed on the seat frame through a bearing, and the rotating handle is coaxially installed at the end portion of the screw rod.

Furthermore, the driving assembly is an electric telescopic rod, a power supply device for supplying power to the electric telescopic rod is arranged on the seat frame, and a controller for controlling the electric telescopic rod to work is arranged on the wheelchair.

Furthermore, the seat frame is provided with a supporting column which is used for supporting and fixing the chair frame under the retraction state of the telescopic frame, and the bottom of the chair frame is provided with a column embedding hole which is matched with the supporting column in position and shape and is used for inserting the supporting column.

Furthermore, an electric telescopic rod for pushing and pulling the chair back to stand up and level is arranged between the chair back and the chair seat, an electric telescopic rod for pushing and pulling the pedal frame to level up and level down is arranged between the pedal frame and the chair seat, and an electric telescopic rod for pushing and pulling the chair seat to move back and forth on the chair frame is arranged between the chair frame and the chair seat.

Further, lie in the seat support on the seat frame and be equipped with the string bedstead along one side that the chair frame stretches out, the string bedstead is manual mechanical type or for electric control formula, manual mechanical type string bedstead sets up in slide bar outside end lead screw subassembly and sets up in the string bed pole that lead screw top horizontal direction set up including setting up the sliding sleeve on the seat frame, setting up slide bar, the vertical direction that outwards stretches out in the sliding sleeve, lead screw subassembly by set up the screw-nut on the slide bar, install the lead screw in the nut and set up the commentaries on classics handle in the lead screw bottom and constitute, electric control formula's string bedstead is including setting up horizontal electric telescopic handle outside the seat frame, setting up in vertical ascending vertical electric telescopic handle of horizontal electric telescopic handle tip, setting up the string bed pole in the horizontal direction of vertical electric telescopic handle tip.

Further, lie in the seat support on the seat frame and be equipped with the stake of propping ground that props ground along the opposite side that the chair frame stretches out and/or the one side at the back of the chair place, prop ground stake for manual mechanical type or for electric control formula, manual mechanical type props ground stake including set up sliding sleeve on the seat frame, set up slide bar, the level that outwards level stretches out in the sliding sleeve and set up screw-nut, the vertical lead screw of installing in screw-nut of slide bar outside tip in, set up in the ground dish that props of lead screw bottom, set up in the twist grip on lead screw top, electric control formula props ground stake and contains the horizontal electric telescopic handle that the seat frame is improved level outwards, set up in the vertical decurrent electric telescopic handle of horizontal electric telescopic handle tip, set up the ground dish that props the ground dish.

Compared with the prior art, the wheelchair has the advantages that the sitting part of the wheelchair in the prior art is designed into the chair frame and the chair seat which can slide relatively, a patient sits on the chair seat, an assistor helps to lift and level the pedal frame and put the back of the flat chair and pushes the chair seat to the bed surface horizontally, so that the chair seat is positioned above the bed surface, and at the moment, the patient or the assistor helps to overturn the body and can transfer the body from the wheelchair to the bed surface; the patient lies on the side and backs to the wheelchair, the buttocks are aligned with the chair and are backwards assisted by an assistant or the body is turned over by the assistant and is transferred to the chair seat from the bed, the assistant returns the chair seat to the chair frame outside the bed, the chair back and the foot rest are erected, and the chair back, the foot rest and the chair seat are fixed to finish the operation. The invention can directly translate the chair seat to the bed surface and then translate the patient from the chair seat to the bed surface to finish the operation of getting on the bed, thereby saving time and labor, saving redundant carrying operation and causing no secondary damage to the patient. The telescopic rod can adjust the height of the chair frame and adapt to different bed types; the jack type telescopic frame can quickly and stably lift the chair frame, and the pressure relief and retraction are simple and quick; the electric telescopic rod has high automation degree, and a patient or an assistor can control the lifting of the chair frame through the controller; the connecting rod type telescopic frame enlarges the short stroke drive in the vertical direction into the long stroke lift in the vertical direction through a connecting rod and lever structure, reduces the stroke length of a driving mechanism no matter the lift is controlled by a mechanical hand or an electric motor, is convenient to operate, reduces the height of the whole wheelchair and makes the structure more compact and reasonable; the screw rod type driving assembly can realize mechanical manual lifting of the chair frame, and the screw rod is labor-saving and convenient to operate; the electric control type driving assembly can realize electric driving and is simple to operate; the chair back, the pedal frame and the chair seat are driven by the electric telescopic rod, so that the electric control of the whole wheelchair can be realized, and the simple and quick operation of a patient and an operator can be realized conveniently; when the seat extends out of the chair frame, the hanging bed frame provides supporting force for the wheelchair, so that the wheelchair is more stable and prevented from overturning to one side, the seat can be conveyed to a deeper part of the bed surface, if the hanging bed frame is not arranged, the seat can only extend out to a small part, so that the side edge of the chair is positioned above the bed surface and the wheelchair is stopped, the more the seat extends out, the larger the gravity center deviation is, and the wheelchair is easy to overturn; the ground supporting piles are arranged on the outer side and the rear side to support the wheelchair, so that the wheelchair is prevented from overturning towards the outer side or the rear side due to inertia when the seat returns to the normal position and reverse thrust generated when the seat stretches outwards.

Drawings

FIG. 1 is a schematic view of a basic side-push wheelchair according to the present invention;

FIG. 2 is a schematic view of the structure of a jack type manual lifting side-push wheeled chair according to the present invention;

FIG. 3 is a left side view of the hand-operated screw-connecting rod type lifting side-pushing wheelchair of the present invention;

FIG. 4 is a right side view of the structure of the hand-operated screw rod-connecting rod type lifting side-pushing wheelchair of the present invention;

FIG. 5 is a schematic view of the connecting rod type telescopic rod of the present invention;

FIG. 6 is a schematic view of the structure of a screw-type hanging bed frame according to the present invention;

FIG. 7 is a schematic structural view of a screw-type ground-supporting pile according to the present invention;

FIG. 8 is a schematic view of the lifting structure of the basic electric telescopic rod of the present invention from the right side;

FIG. 9 is a left side view schematic diagram of the lifting structure of the basic electric telescopic rod of the present invention;

FIG. 10 is a schematic diagram of the right view of the electric telescopic rod-connecting rod elevating wheelchair of the present invention;

FIG. 11 is a left side view schematic diagram of the electric telescopic rod-connecting rod lifting wheelchair of the present invention;

FIG. 12 is a schematic view of a connection structure of a chair frame and a chair seat according to the present invention;

FIG. 13 is a schematic view of the structure of an electric telescopic rod type hanging bed frame of the present invention;

fig. 14 is a schematic structural view of the electric telescopic rod type ground supporting pile of the present invention.

Detailed Description

The following detailed description of embodiments of the invention refers to the accompanying drawings.