WO2011003235A1 - 可调节自动升降装置 - Google Patents

可调节自动升降装置 Download PDF

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Publication number
WO2011003235A1
WO2011003235A1 PCT/CN2009/072685 CN2009072685W WO2011003235A1 WO 2011003235 A1 WO2011003235 A1 WO 2011003235A1 CN 2009072685 W CN2009072685 W CN 2009072685W WO 2011003235 A1 WO2011003235 A1 WO 2011003235A1
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WO
WIPO (PCT)
Prior art keywords
lifting device
automatic lifting
strut
adjustable
rods
Prior art date
Application number
PCT/CN2009/072685
Other languages
English (en)
French (fr)
Inventor
林荣华
Original Assignee
Lin Ronghua
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 Lin Ronghua filed Critical Lin Ronghua
Priority to PCT/CN2009/072685 priority Critical patent/WO2011003235A1/zh
Publication of WO2011003235A1 publication Critical patent/WO2011003235A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
    • F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
    • F04B9/045—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being eccentrics

Definitions

  • the invention relates to an adjustable automatic lifting device. Background technique
  • the traditional infusion set uses the principle of differential pressure to suspend the liquid bottle or the liquid bag at a high position, and the pressure difference is used to input the liquid medicine or blood into the human body through the infusion tube.
  • the patient needs to sit on the bed or sit on the chair. If the patient needs to urinate, the nurse or family member needs to help move the liquid bottle or the liquid bag over the top of the patient's head. It is very inconvenient to use and is prone to blood return. Or the phenomenon of bulging, especially in the field of first aid, disaster relief is more inconvenient.
  • a blood transfusion-free, infusion set which consists of a lid and a box body.
  • the box body is provided with a top plate and an elastic deformation body connected to the top plate, and the top plate and the lid are placed by the elastic brackets.
  • the infusion bag is pressurized to allow the liquid medicine or blood to be input into the human body through the infusion tube.
  • the patient can perform infusion and blood transfusion in the standing position, sitting position, lying position or walking, and is convenient to use.
  • this type of blood-free, infusion set uses a rack and pinion as a tensioning device, resulting in a complicated structure, numerous accessories, and inconvenient use. Summary of the invention
  • the invention is characterized in that: the driving ends of the front strut and the rear strut are respectively hinged with the moving rod and the moving rod, so that the movable end of the strut is automatically supported upward when the two moving rods are brought together along the seat frame.
  • the strut is automatically superposed on the seat frame, and the two moving rods are further provided with an automatic adjusting driving mechanism for bringing the two moving rods closer to or apart from each other.
  • the working process of the invention is as follows: The adjusting drive mechanism is applied to the moving rod 1 and the moving rod 2 through the mutual cooperation of the screw and the sleeve rod, or the hydraulic transmission, the pneumatic transmission, or the mechanical structure of the rack and pinion structure.
  • the two moving rods are separated from each other, the movable ends of the front and rear strut descending, and the strut is automatically superposed to the seat frame; when the driving force of the adjusting driving mechanism to the moving rod is cancelled, the moving rod is moved along the seat frame under the action of the spring.
  • the proppet movable end is automatically propped up.
  • the adjustable automatic lifting device can be easily adjusted to the overlapping state in the unloading infusion device, so that the liquid storage bag can be conveniently placed between the top plate and the cover body.
  • the adjusting device can adopt a screw screw mechanism to realize superimposition by a manual twisting screw or a flat wheel; or can be automatically superposed by using hydraulic or pneumatic methods, and realize the whole operation process with respect to a well-known infusion device, which is labor-saving, safe, and Simple and other advantages.
  • the device can be used not only for blood transfusion, but also for automatic delivery of various liquids such as water cooling and lubrication of printer automatic ink supply systems, mechanical equipment, and daily necessities.
  • Figure 1 is a schematic view of the structure of the present invention.
  • FIG. 2 is a schematic structural view of Embodiment 1 of the present invention.
  • FIG. 3 is a schematic structural diagram of Embodiment 2 of the present invention.
  • FIG. 4 is a schematic structural view of a third embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of Embodiment 4 of the present invention.
  • FIG. 6 is a schematic structural view of Embodiment 5 of the present invention. detailed description
  • the present invention discloses an adjustable automatic lifting device comprising a pair of front struts 1 hinged to each other in the middle and a pair of rear struts 2 hinged to each other in the middle, and on both sides of the frame 3 and Along the mount
  • the driving rods 4 on the two sides of the front strut and the rear strut are respectively hinged with the moving rods 5 and the moving rods 6 6 so as to be close to and separated from each other, so that the two moving rods are close to each other along the seat frame
  • the movable end 7 is automatically erected upwards, and when the two moving rods are separated from each other, the struts are automatically superposed on the pedestal, and the two moving rods are further provided with an automatic adjusting driving mechanism 8 for bringing the two moving rods closer to or apart from each other.
  • the self-adjusting drive mechanism is composed of a screw 9 and a sleeve rod 10.
  • the torsion force is converted into a linear thrust force acting on the moving rod 2 through the sleeve rod connected to the screw rod.
  • the front strut and the rear strut are automatically superposed on the seat pan.
  • the automatic adjustment drive mechanism may also be composed of a hydraulic cylinder 12 and a piston push rod 13 thereof.
  • the adjustment drive mechanism may also be composed of a cylinder 14 and a pneumatic piston push rod 15 thereof, through hydraulic pressure or air pressure.
  • the transmission directly transmits the driving force to the moving rod 1 or the moving rod through the piston matched with the hydraulic cylinder or the cylinder, thereby realizing the automatic overlapping of the front strut and the rear strut.
  • the automatic adjustment driving mechanism is composed of a motor gear cam shifting lifting device, the motor drives the driving wheel 16 to rotate, and the driving wheel drives the driven wheel 17 to rotate, so as to drive the flat wheel 18 sleeved on the driven wheel to rotate through a certain angle.
  • the push rod 19 is caused to push outward, and the driving force is transmitted to the moving rod 1 or the moving rod 2, thereby realizing automatic overlapping of the front strut and the rear strut.
  • the movable ends of the front strut and the rear strut are respectively hingedly connected to a top plate 20, and the peripheral portion of the mount is integrally formed with a casing 21, and the upper portion of the casing is provided.
  • the top cover 22, the top cover and the top plate constitute a pressing assembly for pressing the infusion bag 23 and an indicating assembly.
  • the automatic adjustment driving mechanism in the document disclosed in the invention adopts a threaded sleeve structure, a hydraulic cylinder and a piston push rod thereof, a pneumatic cylinder and a piston push rod or a motor gear cam structure thereof as an embodiment, and the principle of automatically adjusting the driving mechanism is explained.
  • the principle can also be implemented by other mechanical structures. Any changes made according to the principles of the present invention, and the functions produced by the present invention do not exceed the scope of the technical solutions of the present invention, are all within the scope of the present invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Description

可调节自动升降装置
技术领域
本发明涉及一种可调节自动升降装置。 背景技术
传统的输液器采用压差原理， 将液瓶或液袋悬挂在高处， 利用压差使药液或 血液经输液管输入人体中。 这种输液方式， 患者需在床上卧着或在椅子上坐着， 如患者需要大小便， 需护士或家属帮忙将液瓶或液袋移动并举过患者头顶， 使用 很不方便， 而且容易发生回血或鼓包现象， 特别是在野外急救、 救灾时更不方便。
为了解决这个问题， 现在已经有了一种免吊输血、 输液器， 它由盒盖和盒体 组成， 盒体内安装有顶板及与顶板相连的弹性变形体， 通过弹性支架对位于顶板 及盒盖之间的输液袋进行加压使药液或血液通过输液管输入人体中， 患者可站位、 坐位、 卧位或行走中进行输液输血， 使用较方便。 但这种免吊输血、 输液器采用 齿轮齿条作为张紧装置， 导致结构复杂， 配件繁多， 使用不便。 发明内容
本发明的目的在于提供一种可调节自动升降装置， 该装置可轻松实现撑杆的 自动升降， 且结构简单， 操作方便。
本发明的特征在于： 所述前撑杆和后撑杆两侧的驱动端分别与动杆一及动杆 二相铰接， 以使两动杆沿座架靠拢时撑杆的活动端自动向上撑起， 两动杆相互分 离时撑杆自动向座架叠合， 所述两动杆之间还设置有可使两动杆相互靠拢或分离 的自动调节驱动机构。 本发明的工作过程如下： 调节驱动机构通过螺杆及其套杆的相互配合， 或液 压传动、 气压传动， 亦或是齿轮齿条结构等机械结构， 将推力作用于动杆一及动 杆二上， 导致两动杆相互分离， 前后撑杆的活动端下行， 撑杆自动向座架叠合； 当调节驱动机构对动杆的推动力撤销后， 动杆在弹簧的作用下沿座架靠拢， 致使 撑杆活动端自动向上撑起。
本发明的优点在于： 在免吊输液装置内通过可调节自动升降装置， 可轻易地 将其调节至叠合状态， 从而可以方便地在顶板与盖体之间放置储液袋。 该调节装 置可采用螺杆螺套机构， 通过人工扭转螺杆或扁轮实现叠合； 也可以采用液压、 气动等方法实现自动叠合， 实现整个操作过程相对于公知的输液装置， 具有省力、 安全、 简便等优点。 此外， 该装置不仅可用于输血输液， 还可用于如打印机自动 供墨系统、 机械设备、 生活用品等的水冷和润滑等多种液体的自动输送。 附图说明
图 1为本发明的结构示意图。
图 2为本发明实施例一的结构示意图。
图 3为本发明实施例二的结构示意图。
图 4为本发明实施例三的结构示意图。
图 5为本发明实施例四的结构示意图。
图 6为本发明实施例五的结构示意图。 具体实施方式
参考图 1、 图 2， 本发明公开了一种可调节自动升降装置， 包括一对中部互相 铰接的前撑杆 1和一对中部相互铰接的后撑杆 2，以及位于座架 3两侧并可沿座架 相对靠拢和分离的动杆， 所述前撑杆和后撑杆两侧的驱动端 4分别与动杆一 5及 动杆二 6相铰接， 以使两动杆沿座架靠拢时撑杆的活动端 7 自动向上撑起， 两动 杆相互分离时撑杆自动向座架叠合， 所述两动杆之间还设置有可使两动杆相互靠 拢或分离的自动调节驱动机构 8，所述自动调节驱动机构由螺杆 9与套杆 10构成， 当以插销扭转位于动杆一上的螺杆伸出端 11时， 通过与螺杆连接的套杆将扭转力 转化为直线推力作用于动杆二上， 从而可实现前撑杆与后撑杆自动向座板叠合。
参考图 3， 图 4， 所述自动调节驱动机构还可以由液压缸 12及其活塞推杆 13 构成， 所述调节驱动机构也可以由气缸 14及其气动活塞推杆 15构成， 经液压或 气压传动， 通过与液压缸或气缸配合的活塞直接将推动力传递到动杆一或动杆二 上， 从而实现前撑杆与后撑杆的自动叠合。
参考图 5， 所述自动调节驱动机构由电机齿轮凸轮变速升降装置构成， 电机驱 动主动轮 16转动， 主动轮带动从动轮 17转动， 驱使套在从动轮上的扁轮 18转过 一定的角度， 从而对推杆 19产生向外推动的作用， 将推动力传递到动杆一或动杆 二上， 从而实现前撑杆与后撑杆的自动叠合。
参考图 6， 为了实现自动输液， 所述前撑杆和后撑杆的活动端可分别与一顶板 20四周相铰接， 所述座架周部与一盒体 21构成一体， 盒体上方设有顶盖 22， 顶 盖与顶板构成用以挤压输液袋 23的挤压组件以及指示组件。
本发明公开的文件中自动调节驱动机构采用了螺紋套杆结构、液压缸及其活塞 推杆、 气压缸及其活塞推杆或电机齿轮凸轮结构作为实施例， 阐述了自动调节驱 动机构工作的原理， 该原理亦可采用其他的机械结构实现， 凡依本发明原理所作 的改变， 所产生的功能作用未超出本发明技术方案的范围时， 均属于本发明的保 护范围。

Claims

权利要求书
1、 一种可调节自动升降装置， 包括一对中部互相铰接的前撑杆和一对中部相 互铰接的后撑杆， 以及位于座架两侧并可沿座架相对靠拢和分离的动杆， 其特征 在于： 所述前撑杆和后撑杆两侧的驱动端分别与动杆一及动杆二相铰接， 以使两 动杆沿座架靠拢时撑杆的活动端自动向上撑起， 两动杆相互分离时撑杆自动向座 架叠合， 所述两动杆之间还设置有可使两动杆相互靠拢或分离的自动调节驱动机
2、 根据权利要求 1所述的可调节自动升降装置， 其特征在于： 所述自动调节 驱动机构由螺杆与套杆构成。
3、 根据权利要求 1所述的可调节自动升降装置， 其特征在于： 所述自动调节 驱动机构由液压缸及其活塞推杆构成。
4、 根据权利要求 1所述的可调节自动升降装置， 其特征在于： 所述自动调节 驱动机构由气缸及其气动活塞推杆构成。
5、 根据权利要求 1所述的可调节自动升降装置， 其特征在于： 所述自动调节 驱动机构由电机齿轮扁轮变速升降装置构成。
6、 根据权利要求 2或 3或 4或 5所述的可调节自动升降装置， 其特征在于： 设有用以驱使两动杆靠拢的弹簧。
7、 根据权利要求 1或 6所述的可调节自动升降装置， 其特征在于： 所述前撑 杆和后撑杆的活动端分别与一顶板四周相铰接， 所述座架周部与一盒体构成一体， 盒体开口上设有顶盖， 顶盖与顶板构成用以挤压液体袋的挤压组件以及指示组件。
PCT/CN2009/072685 2009-07-08 2009-07-08 可调节自动升降装置 WO2011003235A1 (zh)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2009/072685 WO2011003235A1 (zh) 2009-07-08 2009-07-08 可调节自动升降装置

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4991743A (en) * 1989-11-06 1991-02-12 Cobe Laboratories, Inc. Controlled flow accumulator
JPH08257121A (ja) * 1995-03-27 1996-10-08 Piolax Inc 薬液注入装置
CN2491032Y (zh) * 2001-03-24 2002-05-15 苏俊锋 软包装输液自动加压装置
US20040026448A1 (en) * 2000-09-21 2004-02-12 Luc Pichotte Self-contained perfusion device
CN1686579A (zh) * 2005-05-13 2005-10-26 赖茂生 灾区战场抢救、医院救护无电源自动压挤盒
US20060287633A1 (en) * 2005-06-15 2006-12-21 Jen-Hsien Yo Portable device for transfusing medical fluid
CN2892110Y (zh) * 2006-04-18 2007-04-25 林荣华 一种输液装置
JP2008113726A (ja) * 2006-11-01 2008-05-22 Nipro Corp 輸液ポンプ
CN101319670A (zh) * 2008-07-11 2008-12-10 林荣华 一种自动输液装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4991743A (en) * 1989-11-06 1991-02-12 Cobe Laboratories, Inc. Controlled flow accumulator
JPH08257121A (ja) * 1995-03-27 1996-10-08 Piolax Inc 薬液注入装置
US20040026448A1 (en) * 2000-09-21 2004-02-12 Luc Pichotte Self-contained perfusion device
CN2491032Y (zh) * 2001-03-24 2002-05-15 苏俊锋 软包装输液自动加压装置
CN1686579A (zh) * 2005-05-13 2005-10-26 赖茂生 灾区战场抢救、医院救护无电源自动压挤盒
US20060287633A1 (en) * 2005-06-15 2006-12-21 Jen-Hsien Yo Portable device for transfusing medical fluid
CN2892110Y (zh) * 2006-04-18 2007-04-25 林荣华 一种输液装置
JP2008113726A (ja) * 2006-11-01 2008-05-22 Nipro Corp 輸液ポンプ
CN101319670A (zh) * 2008-07-11 2008-12-10 林荣华 一种自动输液装置

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