WO2020062242A1 - 轮椅床 - Google Patents

轮椅床 Download PDF

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Publication number
WO2020062242A1
WO2020062242A1 PCT/CN2018/109091 CN2018109091W WO2020062242A1 WO 2020062242 A1 WO2020062242 A1 WO 2020062242A1 CN 2018109091 W CN2018109091 W CN 2018109091W WO 2020062242 A1 WO2020062242 A1 WO 2020062242A1
Authority
WO
WIPO (PCT)
Prior art keywords
panel
carrier
wheelchair bed
bed according
wheelchair
Prior art date
Application number
PCT/CN2018/109091
Other languages
English (en)
French (fr)
Inventor
乔宏
陈之平
赵士勇
辛本忠
Original Assignee
深圳市寿百瑞机械科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市寿百瑞机械科技有限公司 filed Critical 深圳市寿百瑞机械科技有限公司
Priority to PCT/CN2018/109091 priority Critical patent/WO2020062242A1/zh
Publication of WO2020062242A1 publication Critical patent/WO2020062242A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • 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
    • A61G7/16—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto converting a lying surface into a chair

Definitions

  • the present application belongs to the technical field of medical care equipment, and particularly relates to a wheelchair bed.
  • the purpose of the embodiments of the present application is to provide a wheelchair bed to solve the technical problem that bedridden patients in the prior art cannot easily move from a bed to a wheelchair.
  • a wheelchair bed includes:
  • a chair surface mechanism which is installed on the carrier and is used to carry the body of the patient;
  • An attitude conversion mechanism installed on the carrier and connected to the seat surface mechanism to drive the seat surface mechanism to change from a bed surface state to a seat state;
  • a telescopic positioning mechanism installed on the carrier and connected to the seat surface mechanism to adjust a lateral width of the seat surface mechanism
  • a roller mechanism is installed on the lower end of the carrier to move the carrier.
  • the seat surface mechanism includes a backrest panel, a middle panel, and a legrest panel, the middle panel is mounted on the carrier, and the backrest panel and the legrest panel are respectively on both sides of the middle panel.
  • Both the backrest panel and the legrest panel are connected to the attitude conversion mechanism, and are reversed relative to the intermediate panel under the driving of the attitude conversion mechanism.
  • the intermediate panel includes a first deformed plate segment and a second deformed plate segment, the first deformed plate segment is fixedly mounted on the carrier, the second deformed plate segment and the first deformed plate
  • the segments are hingedly connected, and the side of the first deformed plate segment facing away from the second deformed plate segment is hinged to the back surface panel, and the side of the second deformed plate segment facing away from the first deformed plate segment is connected to the
  • the leg support panels are hinged.
  • the attitude conversion mechanism includes a front pressure stay and a drive bracket, the front pressure stay is mounted on the carrier, and the drive bracket is installed between the front pressure stay and the back plate .
  • the attitude conversion mechanism further includes a plurality of rear pressure struts, one end of each of the rear pressure struts is fixedly mounted on the carrier, and the other end of each of the pressure struts is fixedly mounted on the carrier.
  • Leg support panel one end of each of the rear pressure struts is fixedly mounted on the carrier, and the other end of each of the pressure struts is fixedly mounted on the carrier.
  • the telescopic positioning mechanism includes a lifting component and a telescopic component
  • the lifting component is fixedly installed in the carrier frame
  • the telescopic component includes a mounting table, two sets of lateral guide rails, and a lateral support panel
  • a mounting platform is fixedly mounted on the lifting assembly
  • two sets of the lateral guide rails are respectively fixedly mounted on opposite sides of the mounting platform along the width direction of the mounting platform
  • two ends of the two lateral support panels are respectively Slidingly connected to two sets of the lateral guide rails.
  • the lifting assembly includes a scissor jack, the scissor jack is fixedly installed in the carrier, the mounting platform is fixedly installed at the top end of the scissor jack, and the scissor jack is connected to the jack There is a driving lever for driving the scissor jack to move up and down.
  • the lifting assembly further includes four guide assemblies, each of the four guide assemblies includes a guide post and a guide sleeve sleeved outside the guide post, and the four guide sleeves are threaded and fixed It is arranged on the carrier and corresponding to the four corners of the mounting base, and the upper ends of the four guide posts are connected to the four corners of the mounting base respectively.
  • the lifting assembly further includes a limiting baffle, the limiting baffle is installed on the carrier, and the limiting baffle is provided with a vertical avoidance slot, and one end of the driving lever passes through Pass the vertical avoidance slot.
  • a bending plate is formed by bending the side of the limiting baffle facing away from the vertical avoiding groove, and a lateral groove is formed on the limiting baffle, and the lateral groove penetrates the limiting position.
  • the baffle plate and the bending plate, the lifting assembly further includes an elastic pressing rod, one end of the elastic pressing rod is fixedly mounted on the carrier, and the other end of the elastic pressing rod passes through the transverse groove. And connected with the driving lever.
  • the roller mechanism includes two main rollers and two steering rollers, the two main rollers are respectively installed at opposite ends of one side in the length direction of the carrier, and the two steering rollers are respectively installed on the carrier Opposite ends on the other side in the length direction.
  • two opposite sides of the middle panel in the width direction are provided with protection components.
  • the seat surface mechanism further includes a footrest panel, and the footrest panel is installed on a side of the legrest panel facing away from the middle panel.
  • the seat surface mechanism further includes a head panel, and the head panel is mounted on a side of the back panel facing away from the middle panel.
  • the seat surface mechanism further includes two side backboards, and the two side backboards are hingedly connected to opposite sides of the backboard, respectively, and a plurality of The catching pieces of the two side support plates of the Cato.
  • the seat surface mechanism may further include two side support plates, and the two side support plates are hingedly connected to opposite sides of the leg support panel, and lower ends of the opposite sides of the leg support panel are both installed.
  • the two side support plates are hingedly connected to opposite sides of the leg support panel, and lower ends of the opposite sides of the leg support panel are both installed.
  • Cato tabs for Cato's two side pallets.
  • the roller mechanism can drive the wheelchair bed to the bed where the patient is at work.
  • the posture conversion mechanism connected to the chair surface mechanism can drive the chair surface.
  • the mechanism is deformed to the corresponding bed surface state, and the telescopic adjustment mechanism can widen the lateral width of the chair surface mechanism, thereby eliminating the gap between the chair surface mechanism and the bed where the patient is located, so that the patient can only pass Lateral lying movement can be transferred to the chair surface mechanism.
  • the chair surface mechanism can be transformed into a wheelchair state under the driving of the posture conversion mechanism.
  • the above process avoids the drastic movement of the patient's body and reduces the patient's movement.
  • the discomfort generated during the procedure reduces the risk of the patient's wound cracking.
  • FIG. 1 is a schematic structural diagram of a wheelchair bed provided in an embodiment of the present application.
  • FIG. 2 is a schematic diagram of an explosion structure of a wheelchair bed provided in an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of a telescopic component of a wheelchair bed according to an embodiment of the present application
  • FIG. 4 is a schematic structural diagram of a telescopic component and a scissor jack of a wheelchair bed according to an embodiment of the present application;
  • FIG. 5 is a schematic structural diagram of a backrest panel of a chair surface mechanism of a wheelchair bed according to an embodiment of the present application
  • FIG. 6 is a schematic structural diagram of a support frame, an attitude conversion mechanism, and a roller mechanism of a wheelchair bed according to an embodiment of the present application.
  • first and second are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as “first” and “second” may explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality" is two or more, unless specifically defined otherwise.
  • the terms “installation,” “connected,” “connected,” and “fixed” should be broadly understood unless otherwise specified and limited. For example, they can be fixed connections or removable connections. , Or integrated; it can be mechanical or electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal connection of the two elements or the interaction between the two elements.
  • installation should be broadly understood unless otherwise specified and limited. For example, they can be fixed connections or removable connections. , Or integrated; it can be mechanical or electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal connection of the two elements or the interaction between the two elements.
  • a wheelchair bed provided in an embodiment of the present application is adapted to transform a patient from a lying position to a seated position, which includes a carrier 10, a chair surface mechanism 20, an attitude conversion mechanism 30, Telescopic adjustment mechanism 40 and roller mechanism 50.
  • the supporting frame 10 may be a frame bracket welded by stainless steel square through pieces, or a detachable frame formed by stainless steel rods connected by bolts. In this way, the overall rigidity and environmental adaptability of the carrier 10 can be ensured, and the long-term durability of the wheelchair bed can be significantly improved.
  • the chair surface mechanism 20 is mounted on the carrier 10 and is used to carry the patient's body; wherein, during the transfer of the patient from the bed to the chair surface mechanism 20, the upper end surface of the chair surface mechanism 20 and the bed surface need to be maintained. Flush or slightly below the surface of the couch. This can facilitate the transfer process of the patient, and the seat surface mechanism 20 can be made by covering a flexible plate on a metal frame.
  • the attitude conversion mechanism 30 is mounted on the carrier 10 and is connected to the seat surface mechanism 20 to drive the seat surface mechanism 20 from a bed surface state to a seat state.
  • the attitude conversion mechanism 30 may include at least two The driving end. The two driving ends described above can be used to drive the two ends of the seat surface mechanism 20 to be folded and deformed, so that the seat surface mechanism 20 is changed from a bed surface state to a seat state.
  • the telescopic adjustment mechanism 40 is mounted on the carrier 10 and connected to the seat surface mechanism 20 to adjust the lateral width of the seat surface mechanism 20; wherein the telescopic adjustment mechanism 40 and the two ends of the seat surface mechanism 20 in the width direction They are connected to drive the two ends to move toward or away from the seat surface mechanism 20, so as to adjust the lateral width of the seat surface mechanism 20.
  • roller mechanism 50 is installed at the lower end of the carrier 10 to move the carrier 10.
  • the roller mechanism 50 may be composed of multiple rollers, and at least two of the rollers have a universal rolling capability, so that the roller mechanism 50 can significantly improve the overall mobility of the wheelchair bed.
  • the roller mechanism 50 can drive the wheelchair bed to the bed where the patient is located at work.
  • the posture conversion mechanism 30 connected to the chair surface mechanism 20 can drive the chair surface mechanism 20 to deform to Corresponding to the state of the bed surface, and the telescopic adjustment mechanism 40 can make the lateral width of the chair surface mechanism 20 wider, thereby eliminating the gap between the chair surface mechanism and the bed where the patient is located, so that the patient can only pass through the side It can be transferred to the chair-side mechanism by moving to the lying position.
  • the chair-side mechanism 20 can be deformed to a wheelchair state under the driving of the attitude conversion mechanism 30.
  • the above process avoids the drastic movement of the patient's body and reduces the patient's movement.
  • the discomfort generated during the procedure reduces the risk of the patient's wound cracking.
  • the seat surface mechanism 20 includes a backrest panel 21, a middle panel 22, and a legrest panel 23.
  • the middle panel 22 is mounted on the carrier 10, and the backrest panel 21 and The leg rest panels 23 are hingedly connected to both sides of the middle panel 22, respectively;
  • Both the backrest panel 21 and the legrest panel 23 are connected to the attitude conversion mechanism 30. Driven by the attitude conversion mechanism 30, it is reversed relative to the middle panel 22. Specifically, the two sides of the middle panel 22 are hingedly connected to the backrest panel 21 and the legrest panel 23, respectively, so that the backrest panel 21 and the backrest panel can be folded relative to the middle panel 22, thus forming the seat surface mechanism 20. Switching between bed state and wheelchair state provides a prerequisite.
  • the posture conversion mechanism 30 can drive the backrest panel 21 toward the middle panel 22 at the same time, the posture conversion mechanism 30 can drive the legrest panel 23 to turn away from the middle panel 22, thereby forming the seat state of the seat surface mechanism 20.
  • the intermediate panel 22 includes a first deformed plate segment 221 and a second deformed plate segment 222.
  • the first deformed plate segment 221 is fixedly mounted on the carrier frame 10 and the second deformed plate segment 222. It is hingedly connected to the first deformed plate segment 221, and the side of the first deformed plate segment 221 facing away from the second deformed plate segment 222 is hinged to the back surface panel 21, and the second deformed plate segment 222 faces away from the first deformed plate segment 221 It is hinged with the leg rest panel 23.
  • the middle panel 22 by subdividing the middle panel 22 into a first deformed plate segment 221 and a second deformed plate segment 222, when the wheelchair bed is deformed from the bed surface state to the wheelchair state, the second deformed plate segment 222 will be subjected to the leg rest panel.
  • the pressing force of 23 is inclined relative to the first deformed plate segment 221, and then a bulge is generated at the joint between the second deformed plate segment 222 and the leg support plate segment, so that the middle plate segment faces the leg support plate segment.
  • a tilt is formed on one side so that when the patient is sitting on a wheelchair bed, it is not easy to slide down from it.
  • the attitude conversion mechanism 30 includes a front pressure stay 31 and a drive bracket 32.
  • the front pressure stay 31 is mounted on the carrier 10 and the drive bracket 32 is installed on the front pressure stay. 31 and the backrest panel 21.
  • the front pressure strut 31 may be first released, so that the pressure strut can be retracted freely, and the operator can support or pull it at this time.
  • the drive bracket 32 is pulled, and the drive bracket 32 can also drive the back panel 21 to fold relative to the middle panel 22.
  • the operator can stop the pressure release operation of the pressure brace.
  • the strut can keep its length unchanged, thereby achieving effective support for the backrest panel 21.
  • the driving bracket 32 includes a first cable stay 321, two second cable stays 322, and a third cable stay 323.
  • a first end of the first cable stay 321 is hingedly connected to the carrier 10.
  • the pressure stay is hingedly connected to the first diagonal stay 321, the first ends of the two second diagonal stays 322 and the first ends of the third diagonal stays 323 are both hinged to the second end of the first diagonal stays 321, and the two second The second ends of the stay rods 322 are hingedly connected to the backrest panel 21, and the second ends of the third stay rods 323 are hingedly connected to the middle panel 22.
  • the first diagonal rod 321 can swing relative to the carrier 10, and at this time, the two second diagonal rods 322 are at the first Under the pushing action of a diagonal stay 321 and the limit of the third diagonal stay 323, the backrest panel 21 can be pushed to fold toward the middle panel 22.
  • the process of folding the backrest panel 21 toward the middle panel 22 is the same.
  • the attitude conversion mechanism 30 further includes a plurality of rear pressure stays 33.
  • One end of each rear pressure stay 33 is fixedly mounted on the carrier 10.
  • the other ends are fixed on the leg rest panel 23.
  • Each pressure brace stops releasing pressure and maintains its length unchanged, thereby effectively supporting the leg rest panel 23 and ensuring that the relative positional relationship between the leg rest panel 23 and the middle panel 22 remains unchanged.
  • the telescopic adjustment mechanism 40 includes a lifting component 41 and a telescopic component 42.
  • the lifting component 41 is fixedly installed in the carrier 10, and the telescopic component 42 includes a mounting table 421.
  • the mounting platform 421 is fixedly mounted on the lifting assembly 41.
  • Both lateral guide rails 422 are fixed on the mounting platform 421 along the width direction of the carrier 10, with the support panels 423 on both sides Both ends are slidably connected to the two lateral guide rails 422, respectively.
  • the operator can pull the two sides slidably mounted on the two lateral guide rails 422 toward the support panel 423, and then the lifting assembly 41 can drive the mounting platform 421 to rise, so that the two The lateral support panel 423 is flush with the height of the middle panel 22, so that the width of the middle panel 22 is effectively expanded, and the seat surface mechanism 20 is formed into a cross shape.
  • the lifting assembly 41 includes a scissor jack 411, the scissor jack 411 is fixedly installed in the carrier 10, and the mounting platform 421 is fixedly installed at the top end of the scissor jack 411.
  • a driving lever 412 is connected to the jack 411 for driving the scissor jack to rise.
  • the lifting assembly 41 include a scissor jack 411, when the operator faces the support panel 423 on both sides of the lifting, the operator can rotate the driving lever 412 repeatedly, so that the top end of the scissor jack 411 can be lifted and installed. Both sides of the stand 421 up to the mounting stand 421 are flush with the middle panel 22 toward the support panel 423.
  • the lifting assembly 41 further includes four guide assemblies 415, and each of the four guide assemblies 415 includes a guide post (not shown) and a guide sleeve (not shown) sleeved outside the guide post. ),
  • Four guide sleeves are threaded and fixed on the supporting frame 10 and corresponding to the four corners of the mounting base 421, and the upper ends of the four guide posts are respectively connected to the four corners of the mounting base 421. The lower ends of the columns are all extended downward.
  • the four guide posts can also be moved under the limits of the four guide sleeves, so that the mounting table 421 can be lifted
  • the movement is more stable, and the lifting of the support panel 423 to both sides is more stable.
  • the lifting assembly 41 further includes a limiting baffle 413, the limiting baffle 413 is mounted on the carrier 10, and the limiting baffle 413 is provided with a vertical escape slot 414, One end of the driving lever 412 passes through the vertical escape slot 414.
  • a limit plate is provided, and a vertical avoidance slot 414 is opened on the limit plate, so that one end of the driving lever 412 connected to the scissor jack 411 can be limited in the vertical avoidance slot 414. Bit.
  • the operator needs to lift the scissor jack 411, he can hold the driving lever 412 and make it rotate in the vertical avoiding groove 414, so that the scissor jack 411 can be continuously raised.
  • the jack 411 can also be replaced with a lifting motor.
  • the driving lever 412 is a retractable lever. In this way, during operation, the operator can first pull out the driving lever 412 and then swing the driving lever 412 vertically to complete the lifting operation of the scissor jack 411, which can facilitate the operation of the operator. At the same time, the driving lever 412 is in a stretched state in the working state, and can be retracted and embedded in the vertical avoidance slot 414 when not in use. This also prevents the driving lever 412 from being exposed to the outside world and tripping pedestrians.
  • the lifting assembly 41 further includes an elastic pressure bar 416.
  • One end of the elastic pressure bar 416 is fixedly mounted on the carrier 10.
  • the other end of the elastic pressure bar 416 passes through the transverse groove 417 and is connected with the drive.
  • the lever 412 is connected, so that the driving lever 412 can maintain its stability in the vertical avoidance slot 414 under the further limit of the elastic pressure lever 416.
  • the roller mechanism 50 includes two main rollers 51 and two steering rollers 52.
  • the two main rollers 51 are respectively installed on two opposite sides of the length direction of the carrier 10.
  • two steering rollers 52 are respectively installed at opposite ends of the other side in the length direction of the carrier frame 10.
  • the two main rollers 51 and the two steering rollers 52 and the arrangement ensure that the wheelchair bed has a stable traveling ability on the one hand, and also ensures the steering flexibility of the wheelchair bed on the other hand.
  • the roller mechanism 50 further includes two connecting members 53.
  • the two connecting members 53 are rotatably installed at opposite ends of one side in the length direction of the carrier 10.
  • the two main rollers 51 are rotatably respectively.
  • both of the connecting members 53 are equipped with foot brake pads 531, and the two foot brake pads 531 are respectively disposed opposite to the treads of the two main rollers 51.
  • a guide short pipe 532 is installed on a side of the two connecting members 53 facing away from each other, and a guide member 533 is fixedly installed on the opposite side edges of the carrier 10 facing the two connecting members 53.
  • 533 includes a receiving square through 534 and a guiding rod 535.
  • One end of the guiding rod 535 is slidably installed in the receiving square through 534, and the other end of the guiding rod 535 extends into the guiding short tube 532.
  • the degree of freedom of rotation of the main roller 51 relative to the carrier 10 is restricted, so that the main roller 51 can only roll in a specific direction. This ensures the stability and ease of operation of the wheelchair bed during exercise.
  • the opposite sides of the middle panel 22 in the width direction are provided with protection components 43.
  • the protective components 43 are installed on opposite sides of the middle panel 22 in the width direction, so that the phenomenon of the patient falling over the wheelchair bed effectively is prevented.
  • the seat surface mechanism 20 further includes two side rest plates 25, which are hingedly connected to opposite sides of the backrest plate 21, respectively.
  • the clips 211 of the side support plate 25 In this way, when the wheelchair bed is in a bed posture, the two backrest plates 25 can be stretched at this time so that the two side backrest plates 25 are flush with the backrest plate 21, which can significantly increase the bed surface area of the wheelchair bed.
  • the seat surface mechanism 20 may further include two supporting plates 26 on both sides, which are hingedly connected to opposite sides of the leg supporting panel 23, and a plurality of lower ends of the opposite sides of the leg supporting panel 23 are installed.
  • the two backrest plates 25 and the two side pallets 26 can be folded in the direction of the backrest panel and the legrest panel 23 respectively, so that the wheelchair bed can be ill when it is in a wheelchair posture.
  • the patient provides a wrap-around semi-enclosed riding environment, which significantly improves the patient's safety when sitting in a wheelchair bed.
  • the seat surface mechanism 20 further includes a footrest panel 24, and the footrest panel 24 is installed on a side of the legrest panel 23 facing away from the middle panel 22.
  • the footrest panel 24 can also provide a barrier for the patient in the posture of the bed surface, and during sudden braking during travel, to prevent the patient from falling off the bed surface of the wheelchair bed due to inertia.
  • the seat surface mechanism 20 further includes a head guard 27, and the head guard 27 is mounted on a side of the back panel 21 facing away from the middle panel 22. Specifically, due to the presence of the head panel, when the wheelchair bed is traveling in a bed posture, it can work with the footrest panel 24 to further limit the patient's body.
  • the present application has the excellent characteristics described above, which can make it useful in use and enhance the performance not available in the prior art, and become a product of great practical value.

Abstract

一种轮椅床，包括承载架(10)；椅面机构(20)，安装于承载架(10)并用于承载病患身体；姿态转化机构(30)，安装于承载架(10)并与椅面机构(20)相连接；伸缩调位机构(40)，安装于承载架(10)上并与椅面机构(20)相连接；滚轮机构(50)，安装于承载架(10)的下端。工作时，椅面机构(20)变形至相应的床面状态，伸缩调位机构(40)使得椅面机构(20)的侧向宽度变宽，病患可通过侧向平躺移动即可被转移至椅面机构(20)上。该轮椅床能够帮扶人在病患自床榻移动至轮椅床所付出的劳动力得到减轻，上述过程减轻了病患在移动过程中产生的不适感，降低了病患的伤口开裂的风险。

Description

轮椅床 技术领域
本申请属于医疗护理设备技术领域，尤其涉及一种轮椅床。
 背景技术
患病卧床的患者在下床活动时，需要自床榻上被转移至轮椅上。而在此过程中，通常需要借助一人甚至是多人的帮扶，以将病患的身体自床榻上移挪至轮椅上。
而上述过程对于帮扶人来讲较为费时费力，而对于一些做完手术、伤口尚未愈合的病患来讲，对其身体进行剧烈的移动，也容易造成病患的不适，甚至可能导致病患的伤口开裂等危险情况发生。
 技术问题
本申请实施例的目的在于：提供一种轮椅床，用以解决现有技术卧床病患不易自床榻移动至轮椅的技术问题。
 技术解决方案
为解决上述技术问题，本申请实施例采用的技术方案是：
提供了一种轮椅床，包括：
承载架；
椅面机构，安装于所述承载架上并用于承载病患的身体；
姿态转化机构，安装于所述承载架上并与所述椅面机构相连接以驱动所述椅面机构由床面状态转化为座椅状态；
伸缩调位机构，安装于所述承载架上并与所述椅面机构相连接以调节所述椅面机构的侧向宽度；
滚轮机构，安装于所述承载架的下端以使得所述承载架移动。
进一步地，所述椅面机构包括靠背面板、中间面板和腿托面板，所述中间面板安装于所述承载架上，所述靠背面板和所述腿托面板分别与所述中间面板的两侧铰接连接；
所述靠背面板和所述腿托面板均与所述姿态转化机构相连接，并在所述姿态转化机构的驱动下相对于所述中间面板实现翻转。
优选地，所述中间面板包括第一变形板段和第二变形板段，所述第一变形板段固定安装于所述承载架上，所述第二变形板段和所述第一变形板段铰接连接，所述第一变形板段背离所述第二变形板段的一侧与所述靠背面板相铰接，所述第二变形板段背离所述第一变形板段的一侧与所述腿托面板相铰接。
优选地，所述姿态转化机构包括前压力撑杆和驱动支架，所述前压力撑杆安装于所述承载架上，所述驱动支架安装于所述前压力撑杆和所述靠背面板之间。
优选地，所述姿态转化机构还包括若干后压力撑杆，各所述后压力撑杆的一端均固定安装于所述承载架上，各所述压力撑杆的另一端均固定安装于所述腿托面板上。
优选地，所述伸缩调位机构包括升降组件和伸缩组件，所述升降组件固定安装于所述承载架内，所述伸缩组件包括安装台、两组横向导轨和两侧向支撑面板，所述安装台固定安装于所述升降组件上，两组所述横向导轨分别沿所述安装台的宽度方向固定安装于所述安装台的相对两侧，两所述侧向支撑面板的两端均分别滑动连接于两组所述横向导轨上。
优选地，所述升降组件包括剪式千斤顶，所述剪式千斤顶固定安装于所述承载架内，所述安装台固定安装于所述剪式千斤顶的顶出端，所述剪式千斤顶上连接有用于驱动所述剪式千斤顶升降的驱动杠杆。
优选地，所述升降组件还包括四个导向组件，四个所述导向组件均包括导向柱和套设于所述导向柱之外的导向套筒，四个所述导向套筒均穿设固定于所述承载架上且分别对应所述安装台的四个角部设置，四个所述导向柱的上端分别与所述安装台的四个角部相连接。
优选地，所述升降组件还包括限位挡板，所述限位挡板安装于所述承载架上，且所述限位挡板开设有竖向避空槽，所述驱动杠杆的一端穿过所述竖向避空槽。
优选地，所述限位挡板背离所述竖向避空槽的一侧弯折形成有弯折板，所述限位挡板上开设有横向槽，所述横向槽贯通于所述限位挡板和所述弯折板上，所述升降组件还包括弹性压杆，所述弹性压杆的一端固定安装于所述承载架上，所述弹性压杆的另一端穿过所述横向槽并与所述驱动杠杆相连接。
优选地，所述滚轮机构包括两主滚轮和两转向滚轮，两所述主滚轮分别安装于所述承载架的长度方向一侧的相对两端，两所述转向滚轮分别安装于所述承载架长度方向的另一侧的相对两端。
优选地，所述中间面板宽度方向的相对两侧均安装有防护组件。
优选地，所述椅面机构还包括脚撑面板，所述脚撑面板安装于所述腿托面板背离所述中间面板的一侧。
优选地，所述椅面机构还包括头部挡板，所述头部挡板安装于所述靠背面板背离所述中间面板的一侧。
优选地，所述椅面机构还包括两侧靠板，两所述侧靠板分别铰接连接于所述靠背面板的相对两侧，所述靠背面板的相对两侧的下端均安装有若干用于卡托两所述侧靠板的卡接片。
优选地，所述椅面机构还可包括有两侧托板，两所述侧托板分别铰接连接于所述腿托面板的相对两侧，所述腿托面板的相对两侧的下端均安装有若干用于卡托两所述侧托板的卡托片。
 有益效果
与现有技术相比，本申请实施例提供的轮椅床，工作时，滚轮机构可驱动轮椅床到达病患所在的床榻处，此时与椅面机构相连接的姿态转化机构便可驱动椅面机构变形至相应的床面状态，而伸缩调位机构又可使得椅面机构的侧向宽度变宽，进而可消除椅面机构与病患所在的床榻之间的缝隙，使得病患可仅仅通过侧向平躺移动即可被转移至椅面机构上，病患在完成自床榻至椅面机构的转移后，椅面机构又可在姿态转化机构的驱动下被变形至轮椅状态。那么通过上述过程，帮扶人在病患自床榻移动至轮椅床所付出的劳动力便得到了显著地减轻，同时上述过程也避免了对病患的身体产生剧烈的移动，减轻了病患在移动过程中所产生的不适感，降低了病患的伤口开裂的风险。通过将轮椅与床的功能合二为一，这样便有效提升了卧床病患自床榻移动至轮椅过程的便利性。
 附图说明
图1为本申请实施例提供的轮椅床的结构示意图；
图2为本申请实施例提供的轮椅床的爆炸结构示意图；
图3为本申请实施例提供的轮椅床的伸缩组件的结构示意图；
图4为本申请实施例提供的轮椅床的伸缩组件和剪式千斤顶的结构示意图；
图5为本申请实施例提供的轮椅床的椅面机构的靠背面板的结构示意图；
图6为本申请实施例提供的轮椅床的承载架、姿态转化机构和滚轮机构的结构示意图。
附图标记包括：
10—承载架               20—椅面机构           21—靠背面板
22—中间面板             23—腿托面板           24—脚撑面板
25—侧靠板               26—侧托板             27—头部挡板
30—姿态转化机构         31—前压力撑杆         32—驱动支架
33—后压力撑杆           40—伸缩调位机构       41—升降组件
42—伸缩组件            43—防护组件          50—滚轮机构
51—主滚轮               52—转向滚轮          53—连接件
211—卡接片              221—第一变形板段     222—第二变形板段
321—第一斜拉杆          322—第二斜拉杆       323—第三斜拉杆
411—剪式千斤顶          412—驱动杠杆         413—限位挡板
414—竖向避空槽          415—导向组件         416—弹性压杆
417—横向槽              421—安装台           422—横向导轨
423—侧向支撑面板        531—脚踏刹车片       532—导向短管
533—导向件              534—容置方通         535—导向杆。
 本发明的实施方式
下面详细描述本申请的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图1~6描述的实施例是示例性的，旨在用于解释本申请，而不能理解为对本申请的限制。
在本申请的描述中，需要理解的是，术语“长度”、“宽度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本申请中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请中的具体含义。
如图1~3所示，本申请实施例提供的一种轮椅床，适用于将病患自躺卧状转变为坐靠状，其包括承载架10、椅面机构20、姿态转化机构30、伸缩调位机构40和滚轮机构50。
其中，承载架10可为不锈钢方通件焊接而成的方框支架，亦可为不锈钢杆件通过螺栓连接形成的可拆卸式框架。如此即可保证承载架10的整体刚性和环境适应性，进而可显著提升轮椅床的长期使用耐用性。
进一步地，椅面机构20安装于承载架10上并用于承载病患的身体；其中，在病患从床榻转移至椅面机构20的过程中，需要保持椅面机构20的上端面与床榻表面齐平或稍低于床榻表面。这样可使得病患的转移过程变得容易，而椅面机构20可通过将柔性板件覆盖在金属框架上而制成。
进一步地，姿态转化机构30安装于承载架10上并与椅面机构20相连接以驱动椅面机构20由床面状态转化为座椅状态；实际上，姿态转化机构30可包括有至少两个驱动端，上述两个驱动端可分别用于驱动椅面机构20的两端发生翻折变形，使得椅面机构20由床面状态转变为座椅状态。
进一步地，伸缩调位机构40安装于承载架10上并与椅面机构20相连接以调节椅面机构20的侧向宽度；其中，伸缩调位机构40与椅面机构20宽度方向的两端相连接，以驱动上述两端朝向或背离椅面机构20运动，进而实现对椅面机构20的侧向宽度的调节。
进一步地，滚轮机构50安装于承载架10的下端以使得承载架10移动。滚轮机构50可由多个滚轮组成，而其中至少有两个滚轮具有万向滚动的能力，这样滚轮机构50便能够使得轮椅床的整体移动灵活性得到显著地提升。
本申请实施例提供的轮椅床，工作时，滚轮机构50可驱动轮椅床到达病患所在的床榻处，此时与椅面机构20相连接的姿态转化机构30便可驱动椅面机构20变形至相应的床面状态，而伸缩调位机构40又可使得椅面机构20的侧向宽度变宽，进而可消除椅面机构与病患所在的床榻之间的缝隙，使得病患可仅仅通过侧向平躺移动即可被转移至椅面机构上，病患在完成自床榻至椅面机构的转移后，椅面机构20又可在姿态转化机构30的驱动下被变形至轮椅状态。那么通过上述过程，帮扶人在病患自床榻移动至轮椅床所付出的劳动力便得到了显著地减轻，同时上述过程也避免了对病患的身体产生剧烈的移动，减轻了病患在移动过程中所产生的不适感，降低了病患的伤口开裂的风险。通过将轮椅与床的功能合二为一，这样便有效提升了卧床病患自床榻移动至轮椅过程的便利性。
在本实施例中，如图1、图2和图5所示，椅面机构20包括靠背面板21、中间面板22和腿托面板23，中间面板22安装于承载架10上，靠背面板21和腿托面板23分别与中间面板22的两侧铰接连接；
靠背面板21和腿托面板23均与姿态转化机构30相连接。并在姿态转化机构30的驱动下相对于中间面板22实现翻转。具体地，通过使得中间面板22的两侧分别与靠背面板21和腿托面板23铰接连接，这样靠背面板21和托退面板即能够相对于中间面板22实现翻折，如此便为椅面机构20在床面状态和轮椅状态之间切换提供了先决条件。又由于靠背面板21和腿托面板23均与姿态转化机构30相连接，这样当椅面机构20需要自床面状态切换为轮椅状态时，姿态转化机构30即可驱动靠背面板21朝向中间面板22翻折，同时姿态转化机构30可驱动腿托面板23背离中间面板22翻折，如此便形成了椅面机构20的座椅状态。
进一步地，如图1和图2所示，中间面板22包括第一变形板段221和第二变形板段222，第一变形板段221固定安装于承载架10上，第二变形板段222和第一变形板段221铰接连接，且第一变形板段221背离第二变形板段222的一侧与靠背面板21相铰接，第二变形板段222背离第一变形板段221的一侧与腿托面板23相铰接。如此，通过将中间面板22细分为第一变形板段221和第二变形板段222，那么当轮椅床自床面状态向轮椅状态变形时，第二变形板段222便会受到腿托面板23的挤压力而相对于第一变形板段221发生倾斜，进而在第二变形板段222和腿托板段的接缝处产生隆起，如此便使得由中间板段朝向腿托板段的一侧形成翘起，这样当病患坐于轮椅床上时，便不易自其上滑下。
在本实施例中，如图1~3所示，姿态转化机构30包括前压力撑杆31和驱动支架32，前压力撑杆31安装于承载架10上，驱动支架32安装于前压力撑杆31和靠背面板21之间。具体地，当需要使得靠背面板21相对于中间面板22翻折时，可首先对前压力撑杆31进行释压处理，这样压力撑杆便可自如收缩，此时操作人员便可撑动或拉拽驱动支架32，而驱动支架32也可相应地驱动靠背面板21相对于中间面板22翻折，当靠背面板21翻折至指定位置后，操作人员可停止对压力撑杆的释压操作，压力撑杆即可保持其长度不变，进而实现对靠背面板21的有效支撑。
进一步地，如图2和图6所示，驱动支架32包括第一斜拉杆321、两第二斜拉杆322和第三斜拉杆323，第一斜拉杆321的第一端与承载架10铰接连接，压力撑杆与第一斜拉杆321铰接连接，两第二斜拉杆322的第一端和第三斜拉杆323的第一端均与第一斜拉杆321的第二端铰接连接，两第二斜拉杆322的第二端均与靠背面板21铰接连接，第三斜拉杆323的第二端与中间面板22铰接连接。如此，当操作人员对压力撑杆进行释压，并搬动靠背面板21朝向中间翻折时，第一斜拉杆321即可相对于承载架10摆动，而此时两第二斜拉杆322在第一斜拉杆321的推动作用和第三斜拉杆323的限位作用下，即可推动靠背面板21朝向中间面板22翻折，同理地，靠背面板21朝向中间面板22翻折的过程亦然。
在本实施例中，如图2和图6所示，姿态转化机构30还包括若干后压力撑杆33，各后压力撑杆33的一端均固定安装于承载架10上，各压力撑杆的另一端均固定安装于腿托面板23上。具体地，当需要使得腿托面板23朝向中间面板22翻折时，操作人员即可对各压力撑杆释压并同时将腿托面板23朝向中间面板22翻折，翻折至指定位置后，各压力撑杆停止释压，保持其长度不变，进而可对腿托面板23形成有效支撑，保证腿托面板23和中间面板22的相对位置关系不变。
在本实施例中，如图2、图4和图6所示，伸缩调位机构40包括升降组件41和伸缩组件42，升降组件41固定安装于承载架10内，伸缩组件42包括安装台421、两横向导轨422和两侧向支撑面板423，安装台421固定安装于升降组件41上，两横向导轨422均沿承载架10的宽度方向固定安装于安装台421上，两侧向支撑面板423的两端均分别滑动连接于两横向导轨422上。具体地，当椅面机构20需要调整其宽度时，操作人员即可将滑动安装于两横向导轨422上的两侧向支撑面板423抽出，随后，升降组件41可驱动安装台421上升，使得两侧向支撑面板423与中间面板22的高度相齐平，如此即实现了对中间面板22宽度的有效扩展，进而使得椅面机构20形成了十字状造型，那么病患在被移动至轮椅床上时，可先将病患的身体转动90度，使病患的头部朝向一侧向支撑面板423，此时再拖拽病患，即可使得病患平移至中间面板22和两侧向支撑面板423上，病患就位后，再将病患的身体转动90度，使得病患的头部位于靠背面板21处，病患的腿部位于腿托面板23处，此时便完成了病患的转移工作。
在本实施例中，如图4所示，升降组件41包括剪式千斤顶411，剪式千斤顶411固定安装于承载架10内，安装台421固定安装于剪式千斤顶411的顶出端，剪式千斤顶411上连接有用于驱动剪式千斤顶顶升的驱动杠杆412。具体地，通过使得升降组件41包括剪式千斤顶411，这样操作人员在升降两侧向支撑面板423时，即可通过反复旋转驱动杠杆412，这样剪式千斤顶411的顶出端即可顶升安装台421直至安装于安装台421上的两侧向支撑面板423与中间面板22相齐平。
进一步地，如图6所示，升降组件41还包括四个导向组件415，四个导向组件415均包括导向柱（图未示）和套设于导向柱之外的导向套筒（图未示），四个导向套筒均穿设固定于承载架10上且分别对应安装台421的四个角部设置，四个导向柱的上端分别与安装台421的四个角部相连接四个导向柱的下端均向下延伸设置。如此，安装台421在剪式千斤顶411的驱动下远离或靠近承载架10运动时，四个导向柱便也能够分别在四个导向套筒的限位下运动，这样便使得安装台421的升降运动更为稳定，同时也保证了两侧向支撑面板423的升降更为稳定。
在本实施例中，如图6所示，升降组件41还包括限位挡板413，限位挡板413安装于承载架10上，且限位挡板413开设有竖向避空槽414，驱动杠杆412的一端穿过竖向避空槽414。具体地，通过设置限位板，并在限位板上开设竖向避空槽414，如此便使得与剪式千斤顶411相连接的驱动杠杆412的一端得以在竖向避空槽414内得到限位。同时，当操作人员需要使得剪式千斤顶411顶升作业时，即可握持驱动杠杆412，并使得其在竖向避空槽414内做旋转转动，这样便可驱动剪式千斤顶411持续顶升。当然，为使得轮椅床的自动化水平更高，千斤顶411亦可被替换为升降电机。
进一步地，驱动杠杆412为可伸缩杆。如此，在操作时，操作人员即可先拉拔出驱动杠杆412，再竖向摆动驱动杠杆412，完成剪式千斤顶411的顶升作业，这样便能够便于操作人员的操作。同时，驱动杠杆412在工作状态呈拉伸态，而不用时可收缩嵌设于竖向避空槽414中，如此也避免了驱动杠杆412过于暴露在外界，避免绊倒行人的现象发生。
更进一步地，限位挡板413背离竖向避空槽414的一侧弯折形成有弯折板（图未示），限位挡板413上还开设有横向槽417，横向槽417贯通于限位挡板413和弯折板上，升降组件41还包括弹性压杆416，弹性压杆416的一端固定安装于承载架10上，弹性压杆416的另一端穿过横向槽417并与驱动杠杆412相连接，这样，驱动杠杆412即可在弹性压杆416的进一步限位下，保持其在竖向避空槽414内的稳定性安设。
在本实施例中，如图1、图2和图6所示，滚轮机构50包括两主滚轮51和两转向滚轮52，两主滚轮51分别安装于承载架10的长度方向一侧的相对两端，两转向滚轮52分别安装于承载架10长度方向的另一侧的相对两端。具体地，两主滚轮51和两转向滚轮52和设置一方面保证了轮椅床具有稳定行进的能力，另一方面也保证了轮椅床的转向灵活性。
进一步地，如图6所示，滚轮机构50还包括两连接件53，两连接件53分别可转动地安装于承载架10的长度方向一侧的相对两端，两主滚轮51分别可转动地安装于两连接件53上，两连接件53上均安装有脚踏刹车片531，两脚踏刹车片531分别正对两主滚轮51的轮面设置。
进一步地，如图6所示，两连接件53背离彼此的一侧均安装有导向短管532，承载架10正对于两连接件53的相对两侧边缘均固定安装有导向件533，导向件533包括容置方通534和导向杆535，导向杆535的一端滑动安装于容置方通534内，导向杆535的另一端则延伸于导向短管532内。如此一来，当导向杆535自导向短管532内拔出时，两主滚轮51便能够相对于承载架10灵活转动，这样便提升了轮椅床在小空间内发生位移的能力。而当导向杆535插设入导向短管532内时，主滚轮51相对于承载架10的转动自由度便会受到限制，进而使得主滚轮51只能按照特定方向滚动。这样便保证了轮椅床在运动过程中的稳定性和易操作性。
在本实施例中，如图1和图2所示，中间面板22宽度方向的相对两侧均安装有防护组件43。具体地，通过在中间面板22宽度方向的相对两侧均安装有防护组件43，这样便有效防止了病患翻摔下轮椅床的现象发生。
进一步地，椅面机构20还包括两侧靠板25，两侧靠板25分别铰接连接于靠背面板21的相对两侧，靠背面板21的相对两侧的下端均安装有若干用于卡托两侧靠板25的卡接片211。如此，当轮椅床呈床面姿态时，此时可放展两侧靠板25，使得两侧靠板25与靠背面板21保持齐平，这样便能够显著增大轮椅床的床面面积。
更进一步地，椅面机构20还可包括有两侧托板26，两侧托板26分别铰接连接于腿托面板23的相对两侧，腿托面板23的相对两侧的下端均安装有若干用于卡托两侧托板26的卡托片（图未示）。如此便进一步地增大了轮椅床的床面面积。使得病患在轮椅床上的躺卧更为从容和舒适。而当轮椅床呈轮椅姿态时，两侧靠板25和两侧托板26又可分别朝向靠板面板和腿托面板23的方向翻折，进而使得轮椅床在呈轮椅姿态时，能够为病患提供一种环绕式半包围的乘坐环境，这样便显著提升了病患在坐于轮椅床中时的安全性。
在本实施例中，如图1和图2所示，椅面机构20还包括脚撑面板24，脚撑面板24安装于腿托面板23背离中间面板22的一侧。具体地，由于脚撑面板24的存在，这样当轮椅床在呈轮椅姿态时，病患的双脚便有地可放，这样便显著提升了病患的乘坐舒适性，而当轮椅床在呈床面姿态时，并在行进过程中突遇急刹车时，脚撑面板24还可为病患提供阻挡物，避免病患在惯性作用下滑出轮椅床的床面。
进一步地，如图1和图2所示，椅面机构20还包括头部挡板27，头部挡板27安装于靠背面板21背离中间面板22的一侧。具体地，由于头部面板的存在，当当轮椅床在呈床面姿态行进时，其便可与脚撑面板24共同作用，对病患的身体起到进一步地限位作用。
综上所述可知本申请乃具有以上所述的优良特性，得以令其在使用上，增进以往技术中所未有的效能而具有实用性，成为一极具实用价值的产品。
以上所述仅为本申请的较佳实施例而已，并不用以限制本申请，凡在本申请的思想和原则之内所作的任何修改、等同替换或改进等，均应包含在本申请的保护范围之内。

Claims (16)

  1. 一种轮椅床，其特征在于：包括：
    承载架；
    椅面机构，安装于所述承载架上并用于承载病患的身体；
    姿态转化机构，安装于所述承载架上并与所述椅面机构相连接以驱动所述椅面机构由床面状态转化为座椅状态；
    伸缩调位机构，安装于所述承载架上并与所述椅面机构相连接以调节所述椅面机构的侧向宽度；
    滚轮机构，安装于所述承载架的下端以使得所述承载架移动。
  2. 根据权利要求1所述的轮椅床，其特征在于：所述椅面机构包括靠背面板、中间面板和腿托面板，所述中间面板安装于所述承载架上，所述靠背面板和所述腿托面板分别与所述中间面板的两侧铰接连接；
    所述靠背面板和所述腿托面板均与所述姿态转化机构相连接，并在所述姿态转化机构的驱动下相对于所述中间面板实现翻转。
  3. 根据权利要求2所述的轮椅床，其特征在于：所述中间面板包括第一变形板段和第二变形板段，所述第一变形板段固定安装于所述承载架上，所述第二变形板段和所述第一变形板段铰接连接，所述第一变形板段背离所述第二变形板段的一侧与所述靠背面板相铰接，所述第二变形板段背离所述第一变形板段的一侧与所述腿托面板相铰接。
  4. 根据权利要求2所述的轮椅床，其特征在于：所述姿态转化机构包括前压力撑杆和驱动支架，所述前压力撑杆安装于所述承载架上，所述驱动支架安装于所述前压力撑杆和所述靠背面板之间。
  5. 根据权利要求2所述的轮椅床，其特征在于：所述姿态转化机构还包括若干后压力撑杆，各所述后压力撑杆的一端均固定安装于所述承载架上，各所述压力撑杆的另一端均固定安装于所述腿托面板上。
  6. 根据权利要求1~5任一项所述的轮椅床，其特征在于：所述伸缩调位机构包括升降组件和伸缩组件，所述升降组件固定安装于所述承载架内，所述伸缩组件包括安装台、两组横向导轨和两侧向支撑面板，所述安装台固定安装于所述升降组件上，两组所述横向导轨分别沿所述安装台的宽度方向固定安装于所述安装台的相对两侧，两所述侧向支撑面板的两端均分别滑动连接于两组所述横向导轨上。
  7. 根据权利要求6所述的轮椅床，其特征在于：所述升降组件包括剪式千斤顶，所述剪式千斤顶固定安装于所述承载架内，所述安装台固定安装于所述剪式千斤顶的顶出端，所述剪式千斤顶上连接有用于驱动所述剪式千斤顶升降的驱动杠杆。
  8. 根据权利要求6所述的轮椅床，其特征在于：所述升降组件还包括四个导向组件，四个所述导向组件均包括导向柱和套设于所述导向柱之外的导向套筒，四个所述导向套筒均穿设固定于所述承载架上且分别对应所述安装台的四个角部设置，四个所述导向柱的上端分别与所述安装台的四个角部相连接。
  9. 根据权利要求6所述的轮椅床，其特征在于：所述升降组件还包括限位挡板，所述限位挡板安装于所述承载架上，且所述限位挡板开设有竖向避空槽，所述驱动杠杆的一端穿过所述竖向避空槽。
  10. 根据权利要求9所述的轮椅床，其特征在于：所述限位挡板背离所述竖向避空槽的一侧弯折形成有弯折板，所述限位挡板上开设有横向槽，所述横向槽贯通于所述限位挡板和所述弯折板上，所述升降组件还包括弹性压杆，所述弹性压杆的一端固定安装于所述承载架上，所述弹性压杆的另一端穿过所述横向槽并与所述驱动杠杆相连接。
  11. 根据权利要求1~5任一项所述的轮椅床，其特征在于：所述滚轮机构包括两主滚轮和两转向滚轮，两所述主滚轮分别安装于所述承载架的长度方向一侧的相对两端，两所述转向滚轮分别安装于所述承载架长度方向的另一侧的相对两端。
  12. 根据权利要求2~5任一项所述的轮椅床，其特征在于：所述中间面板宽度方向的相对两侧均安装有防护组件。
  13. 根据权利要求2~5任一项所述的轮椅床，其特征在于：所述椅面机构还包括脚撑面板，所述脚撑面板安装于所述腿托面板背离所述中间面板的一侧。
  14. 根据权利要求2~5任一项所述的轮椅床，其特征在于：所述椅面机构还包括头部挡板，所述头部挡板安装于所述靠背面板背离所述中间面板的一侧。
  15. 根据权利要求2~5任一项所述的轮椅床，其特征在于：所述椅面机构还包括两侧靠板，两所述侧靠板分别铰接连接于所述靠背面板的相对两侧，所述靠背面板的相对两侧的下端均安装有若干用于卡托两所述侧靠板的卡接片。
  16. 根据权利要求2~5任一项所述的轮椅床，其特征在于：所述椅面机构还可包括有两侧托板，两所述侧托板分别铰接连接于所述腿托面板的相对两侧，所述腿托面板的相对两侧的下端均安装有若干用于卡托两所述侧托板的卡托片。
PCT/CN2018/109091 2018-09-30 2018-09-30 轮椅床 WO2020062242A1 (zh)

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US5358306A (en) * 1991-05-29 1994-10-25 V. Brondum A/S Convertible chair installation for or in vehicles
CN204158620U (zh) * 2014-10-31 2015-02-18 上海互邦医疗器械有限公司 一种轮椅床
CN105496077A (zh) * 2015-12-31 2016-04-20 李耀鹏 可调节折叠床及其床板
CN106264926A (zh) * 2016-11-17 2017-01-04 黄劲涛 一种轮椅床
CN206577049U (zh) * 2017-08-15 2017-10-24 北京福祉科技有限公司 全自动多功能康养轮椅床
CN107928910A (zh) * 2017-11-17 2018-04-20 杨少辉 轮椅及轮椅组合床

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5358306A (en) * 1991-05-29 1994-10-25 V. Brondum A/S Convertible chair installation for or in vehicles
CN204158620U (zh) * 2014-10-31 2015-02-18 上海互邦医疗器械有限公司 一种轮椅床
CN105496077A (zh) * 2015-12-31 2016-04-20 李耀鹏 可调节折叠床及其床板
CN106264926A (zh) * 2016-11-17 2017-01-04 黄劲涛 一种轮椅床
CN206577049U (zh) * 2017-08-15 2017-10-24 北京福祉科技有限公司 全自动多功能康养轮椅床
CN107928910A (zh) * 2017-11-17 2018-04-20 杨少辉 轮椅及轮椅组合床

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