WO2021031220A1 - 一种医疗车用可转向、锁定的扶手 - Google Patents

一种医疗车用可转向、锁定的扶手 Download PDF

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Publication number
WO2021031220A1
WO2021031220A1 PCT/CN2019/102540 CN2019102540W WO2021031220A1 WO 2021031220 A1 WO2021031220 A1 WO 2021031220A1 CN 2019102540 W CN2019102540 W CN 2019102540W WO 2021031220 A1 WO2021031220 A1 WO 2021031220A1
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Prior art keywords
armrest
connecting rod
locking
shell
handle
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PCT/CN2019/102540
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English (en)
French (fr)
Inventor
李陶薇
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南京天奥医疗仪器制造有限公司
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Publication of WO2021031220A1 publication Critical patent/WO2021031220A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B5/00—Accessories or details specially adapted for hand carts
    • B62B5/06—Hand moving equipment, e.g. handle bars
    • B62B5/064—Hand moving equipment, e.g. handle bars adaptable for different users, e.g. by means of pivoting elements

Definitions

  • the invention relates to a medical article, in particular to a medical vehicle, in particular to a steerable and lockable armrest for the medical vehicle.
  • the medical vehicle is a commonly used carrying tool for medical units. It traverses all medical vehicles and pushes them forward.
  • the armrests are fixed structures in one direction, and their positions are generally set according to the average height of humans. Unchanging, and due to the height of the operator, this design makes it inconvenient for some people who are too tall or too low to operate, and increases the difficulty of implementation. Therefore, a design that can change the direction of the armrest so that it can grasp the height With changes, the armrest structure that can better meet the needs of users of different heights is not only a manifestation of human design, but also can increase the market demand for medical vehicles.
  • the purpose of the present invention is to design a steerable, locking and positioning armrest for a medical vehicle that can change the height and direction of the armrest, aiming at the problem that the armrest height of the existing medical vehicle is constant and difficult to meet the requirements of users of different heights.
  • a steerable and lockable armrest for a medical vehicle which is characterized in that it includes an armrest housing 1, an armrest base 2 connected to the vehicle body, and an armrest rotating shaft 3.
  • One end of the armrest rotating shaft 3 is installed in the armrest base 2 and can be When rotating, its other end is fixed in the armrest inner bracket 4, and the armrest inner bracket 4 is fixed in the armrest shell 1.
  • the center of the armrest inner bracket 4 is provided with a long, U-shaped installation slot for locking the connection
  • the rod 5 is hingedly mounted in the installation groove through the connecting rod lock shaft 6.
  • the connecting rod lock shaft 6 is installed on the armrest inner bracket 4 and straddles the installation groove, and the lower end of the locking connecting rod 5 is inserted into the connecting rod In the positioning hole on the end surface of the locking hook groove insert 7, the connecting rod locking hook groove insert 7 is installed on the opposite end of the armrest base 2 and the armrest shell 1, and the upper end of the locking link 5 is connected with the unlocking button installed on the armrest shell 1. 8 Relatively, press the unlock button 8.
  • the unlock button 8 forces the lower end of the locking link to disengage from the positioning hole on the hook groove insert 7 of the link to unlock, and the armrest shell 1 and the armrest inner bracket 7 together automatically rotate relative to the armrest seat 2 ;
  • On the armrest inner bracket 4 is also installed a locking compression spring 9 that forces the lower end of the locking link 5 to always be inserted into the positioning hole of the locking hook groove insert of the link.
  • the number of positioning holes on the end surface of the connecting rod lock hook groove insert 7 is four, which are evenly distributed on the end of the connecting rod lock hook groove insert 7 opposite to the armrest shell 1 so that the armrest is horizontally aligned. The left and right positions and the vertical up and down positions are locked in position.
  • the locking compression spring 9 is installed in the spring seat 10, the spring seat 10 is located on the armrest inner bracket 4, one end of the locking compression spring 9 is against or connected to the locking link 5, and the other end of the locking compression spring is connected to the spring seat 10
  • the bottom is offset or connected.
  • the armrest inner bracket 4 and the armrest shell 1 are covered with injection molding structure.
  • An armrest cushion 11 is sleeved on the end of the armrest seat 2 connected to the vehicle body.
  • the armrest is composed of an armrest shell 1 and an inner armrest 4.
  • the invention changes the pattern of medical vehicles in the existing market, is an innovation to traditional products, breaks through people's cognitive constraints on the form of armrests of medical vehicles, and can produce a refreshing feeling.
  • the invention has simple structure, convenient installation and use, and good reliability.
  • Figure 1 is a schematic diagram of the structure of the present invention (unlocked state).
  • Figure 2 is a schematic diagram of the external structure of the present invention.
  • Fig. 2(a) is a front view
  • Fig. 2(b) is a bottom view
  • Fig. 2(c) is a top view.
  • Figure 3 is a schematic diagram of the locked state of the present invention.
  • Fig. 4 is a schematic front view of the structure of the armrest inner bracket of the present invention.
  • Fig. 5 is a side view of Fig. 4.
  • a steerable and lockable armrest for medical vehicles It is mainly used on medical carts. It is generally installed at the four corners of the upper part of the car body for use when pushing and pulling the car body. In order to provide a suitable cart or pull for everyone The way the cart is focused, so the cart handle can be rotated and changed position as well.
  • This handle can provide four locking positions of up, down, left, and right.
  • the entire handle consists of the left and right shells of the handle, the inner bracket of the handle (integrated with the handle rotation axis), the locking connecting rod, the unlocking button, the locking compression spring, the connecting rod pin, and the handle. It consists of seat and handle seat cushion. When the handle is rotated to any position up, down, left, and right, the handle can be automatically locked in position.
  • the steerable armrest includes an armrest shell 1, an armrest inner bracket 4 installed in the armrest shell 1 and an armrest seat 2 connected to the vehicle body and an armrest rotating shaft 3.
  • the armrest shell 1 can be used by the armrest
  • the front 101 of the housing and the rear 102 of the armrest housing are buckled together and molded separately.
  • One end of the armrest rotating shaft 3 passes through the connecting rod lock hook groove insert 7 installed on the end surface of the armrest base 2 and then is inserted into the armrest base 2 and can rotate in the armrest base 2, and its other end is fixed to the armrest inner bracket 4 Among them, a conventional clamping structure (such as a convex ring and a groove clamping structure) is adopted between the armrest base 2 and the armrest shell to ensure that the two will not be separated axially, but can also rotate relative to each other.
  • the armrest inner bracket 4 is fixed in the armrest shell 1.
  • the armrest inner bracket 4 and the armrest shell 1 are covered with injection molding structure, and the two integrally form the armrest; the armrest inner bracket 4 is fixed in the armrest shell 1, and the center of the armrest inner bracket 4 is provided A long, U-shaped mounting slot 12 (Figure 5), the locking link 5 is hinged in the mounting slot 12 through a link lock shaft 6, and the link lock shaft 6 is mounted on the armrest inner bracket 4 and across the mounting groove ( Figure 4), the lower end of the locking link 5 is inserted into the positioning hole on the end surface of the connecting rod lock hook groove insert 7, and the connecting rod lock hook groove insert 7 is installed on the armrest seat 2 On the end opposite to the armrest shell 1, the connecting rod lock hook groove insert 7 is a metal piece and is integrally injection molded with the armrest seat 2.
  • the upper end of the locking link 5 is opposite to the unlocking button 8 installed on the armrest shell 1. Press the unlocking button 8, and the unlocking button 8 forces the lower end of the locking link to escape from the positioning hole on the link lock hook groove insert 7 to realize unlocking ,
  • the armrest shell 1 and the armrest inner bracket 7 automatically rotate relative to the armrest base 2; the armrest inner bracket 4 is also installed with a locking compression spring 9 that forces the lower end of the locking link 5 to always be inserted into the positioning hole of the link lock hook groove insert.
  • the locking compression spring 9 is installed in the spring seat 10 on the armrest inner bracket 4. One end of the locking compression spring 9 abuts or connects with the locking link 5, and the other end of the locking compression spring abuts or connects with the bottom of the spring seat 10.
  • the spring seat 10 can be arranged on the upper part of the connecting rod lock shaft 6 or the lower part thereof.
  • the locking compression spring in Figure 1 is installed on the upper part of the connecting rod pin 6, so it is installed on the right side of the locking connecting rod 5. The position is opposite if it is set in the lower part.
  • the locking compression spring 9 should be installed on the left side of the locking link 5 to ensure that the elastic force of the locking compression spring 9 can always push the lower end of the locking link 5 into the end surface of the connecting rod lock hook groove insert 7 Positioning hole.
  • an armrest seat cushion 11 may be fitted on the end of the armrest seat 2 connected with the vehicle body, as shown in FIG. 1.
  • the prescribed working principle of the present invention is:

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)
  • Passenger Equipment (AREA)

Abstract

一种医疗车用可转向、锁定的扶手，扶手旋转轴（3）的一端安装在扶手座（2）中并能在其中旋转，它的另一端固定在扶手内支架（4）中，扶手内支架（4）固定在扶手外壳（1）中，扶手内支架（4）的中心设有一个长条形的、截面呈U形的安装槽，锁定连杆（5）通过连杆锁轴（6）铰装在安装槽中，连杆锁轴（6）安装在扶手内支架（4）上并横跨在安装槽上，锁定连杆（5）的下端插入连杆锁钩槽镶件（7）端面的定位孔中，连杆锁钩槽镶件（7）安装在扶手座（2）与扶手外壳（1）相对的一端上，锁定连杆（5）的上端与安装在扶手外壳（1）上的解锁按钮（8）相对，在扶手内支架（4）上还安装有迫使锁定连杆（5）下端始终插入连杆锁钩槽镶件定位孔中的锁定压簧（9）。该扶手结构简单，安装使用方便，可靠性好。

Description

一种医疗车用可转向、锁定的扶手 技术领域
本发明涉及一种医疗用品，尤其是一种医疗车，具体地说是一种医疗车用可转向、锁定的扶手。
背景技术
众所周知，医疗车是一种医疗单位常用的承载工具，遍历所有的医疗用车，推动其前行的扶手均为一个方向的固定式结构，其位置一般是按照人类平均身高设置的，均为固定不变的，而由于受操作人员身高的限制，这种设计使得一部分身材过高或过低的人员操作不便，增加了推行难度，因此，设计一种能改变扶手方向，使之抓握高度能发生变化，更能满足不同身高使用者需要的扶手结构不仅是人性设计的体现，更能增加医疗车的市场需要。
发明内容
本发明的目的是针对现有的医疗车扶手高度一成不变而难以满足不同身高使用者要求的问题，设计一种能改变扶手高度和方向的医疗车用可转向锁定、定位扶手。
本发明的技术方案是：
一种医疗车用可转向、锁定的扶手，其特征是它包括扶手外壳1、与车体相连的扶手座2和扶手旋转轴3，扶手旋转轴3的一端安装在扶手座2中并能在其中旋转，它的另一端固定在扶手内支架4中，扶手内支架4固定在扶手外壳1中，扶手内支架4的中心设有一个长条形的、截面呈U形的安装槽，锁定连杆5通过连杆锁轴6铰装在所述的安装槽中，连杆锁轴6安装在扶手内支架4上并横跨在所述的安装槽上，锁定连杆5的下端插入连杆锁钩槽镶件7端面的定位孔中，连杆锁钩槽镶件7安装在扶手座2与扶手外壳1相对的一端上，锁定连杆5的上端与安装在扶手外壳1上的解锁按钮8相对，按下解锁按钮8，解锁按钮8迫使锁定连杆的下端脱离连杆锁钩槽镶件7上的定位孔从而实现解锁，扶手外壳1与扶手内支架7一起相对扶手座2自动转动；在扶手内支架4上还安装有迫使锁定连杆5下端始终插入连杆锁钩槽镶件定位孔中的锁定压簧9。
所述的连杆锁钩槽镶件7端面上的定位孔的数量为四个，它均布在连杆锁钩槽镶件7与扶手外壳1相对的一端上，以使扶手在水平方向的左、右位置以及垂直方向的上、 下位置锁定定位。
所述的锁定压簧9安装在弹簧座10中，弹簧座10位于扶手内支架4上，锁定压簧9的一端与锁定连杆5相抵或相连，锁定压簧的另一端与弹簧座10的底部相抵或相连。
所述的扶手内支架4和扶手外壳1为包敷注塑结构。
所述的扶手座2与车体相连的一端上套装有扶手座垫11。
所述的扶手由扶手外壳1和扶手内支架4组成。
本发明的有益效果：
本发明改变了现有市场医疗车的格局，是对传统产品的革新，突破了人们对医疗车扶手形式的认知禁锢，能产生令人耳目一新的感觉。
本发明结构简单，安装使用方便，可靠性好。
附图说明
图1是本发明的结构示意图(解锁状态)。
图2是本发明外形结构示意图。图2(a)是主视图，图2(b)是仰视图，图2(c)是俯视图。
图3是本发明锁定状态示意图。
图4是本发明的扶手内支架的正视结构示意图。
图5是图4的侧视图。
具体实施方式
下面结合附图和实施例对本发明作进一步的说明。
如图1-4所示。
一种医疗车用可转向、锁定的扶手，主要用于医用推车上，一般安装于车体上部四个拐角处，供推拉车体的时候使用，为了能提供一个适合每个人推车或者拉车的着力方式，所以推车把手能够旋转变换方位为好。此把手能够提供上下左右4个方位的锁定位置，整个把手由把手左右外壳，把手内支架(与把手旋转轴整体注塑成型)，锁定连杆，解锁按钮，锁定压簧，连杆销轴，把手座及把手座垫组成。把手旋转到上下左右任一位置时，把手能自动锁定定位，要调整时，只需按下解锁按钮即可解锁调整。如图1所示，可转向扶手包括扶手外壳1、安装在扶手外壳1中的扶手内支架4与车体相连的扶手座2和扶手旋转轴3，如图2所示，扶手外壳1可由扶手外壳前101和扶手外壳后 102扣合而成并分别注塑而成。扶手旋转轴3的一端穿过安装在扶手座2端面的连杆锁钩槽镶件7后插装在扶手座2中并能在扶手座2中旋转，它的另一端固定在扶手内支架4中，扶手座2与扶手外壳之间采用常规的卡接结构(如凸环与凹槽卡接结构)，以保证二者既不会轴向分离，又能作相对转动。扶手内支架4固定在扶手外壳1中，扶手内支架4和扶手外壳1为包敷注塑结构，二者整体组成扶手；扶手内支架4固定在扶手外壳1中，扶手内支架4的中心设有一个长条形的、截面呈U形的安装槽12(图5)，锁定连杆5通过连杆锁轴6铰装在所述的安装槽12中，连杆锁轴6安装在扶手内支架4上并横跨在所述的安装槽上(图4)，锁定连杆5的下端插入连杆锁钩槽镶件7端面的定位孔中，连杆锁钩槽镶件7安装在扶手座2与扶手外壳1相对的一端上，连杆锁钩槽镶件7为金属件并同扶手座2是整体注塑在一起。锁定连杆5的上端与安装在扶手外壳1上的解锁按钮8相对，按下解锁按钮8，解锁按钮8迫使锁定连杆的下端脱离连杆锁钩槽镶件7上的定位孔从而实现解锁，扶手外壳1与扶手内支架7一起相对扶手座2自动转动；在扶手内支架4上还安装有迫使锁定连杆5下端始终插入连杆锁钩槽镶件定位孔中的锁定压簧9。锁定压簧9安装在扶手内支架4上的弹簧座10中，锁定压簧9的一端与锁定连杆5相抵或相连，锁定压簧的另一端与弹簧座10的底部相抵或相连。弹簧座10可设置在连杆锁轴6的上部，也可设置在其下部，图1中的锁定压簧安装在连杆销轴6的上部，故安装在锁定连杆5的右侧，如果设置在下部则位置相反，锁定压簧9应安装在锁定连杆5的左侧，以保证锁定压簧9的弹力能始终推动锁定连杆5的下端插入连杆锁钩槽镶件7端面的定位孔中。此外，为了使本发明的扶手与车体连接可靠还可在扶手座2与车体相连的一端上套装有扶手座垫11，如图1所示。
本发明的规定工作原理是：
正常状态下，锁定连杆5的下端在锁定压簧9的作用下插入与扶手座2相连的连杆锁钩槽镶件7端面的四个定位孔中的一个中，以保持锁定状态，如图3。当需要改变扶手的状态时，可按下解锁按钮8，使锁定连杆5的下端脱离扶手座上的连杆锁钩槽镶件7上的定位，如图1所示，此时转动扶手外壳到需要的位置，松开解锁按钮，再小幅度来回转动扶手外壳1，直至锁定连杆5的下端插入扶手座2上的连杆锁钩槽镶件7的定位孔中即完成方向的改变，再次进入图3所示的状态。
本发明未涉及部分均与现有技术相同或可采用现有技术加以实现。

Claims (6)

  1. 一种医疗车用可转向、锁定的扶手，其特征是它包括扶手外壳(1)、与车体相连的扶手座(2)和扶手旋转轴(3)，扶手旋转轴(3)的一端安装在扶手座(2)中并能在其中旋转，它的另一端固定在扶手内支架(4)中，扶手内支架(4)固定在扶手外壳(1)中，扶手内支架(4)的中心设有一个长条形的、截面呈U形的安装槽，锁定连杆(5)通过连杆锁轴(6)铰装在所述的安装槽中，连杆锁轴(6)安装在扶手内支架(4)上并横跨在所述的安装槽上，锁定连杆(5)的下端插入连杆锁钩槽镶件(7)端面的定位孔中，连杆锁钩槽镶件(7)安装在扶手座(2)与扶手外壳(1)相对的一端上，锁定连杆(5)的上端与安装在扶手外壳(1)上的解锁按钮(8)相对，按下解锁按钮(8)，解锁按钮(8)迫使锁定连杆的下端脱离连杆锁钩槽镶件(7)上的定位孔从而实现解锁，扶手外壳(1)与扶手内支架(7)一起相对扶手座(2)自动转动；在扶手内支架(4)上还安装有迫使锁定连杆(5)下端始终插入连杆锁钩槽镶件定位孔中的锁定压簧(9)。
  2. 根据权利要求1所述的扶手，其特征是所述的连杆锁钩槽镶件(7)端面上的定位孔的数量为四个，它均布在连杆锁钩槽镶件(7)与扶手外壳(1)相对的一端上，以使扶手在水平方向的左、右位置以及垂直方向的上、下位置锁定定位。
  3. 根据权利要求1所述的扶手，其特征是所述的锁定压簧(9)安装在弹簧座(10)中，弹簧座(10)位于扶手内支架(4)上，锁定压簧(9)的一端与锁定连杆(5)相抵或相连，锁定压簧的另一端与弹簧座(10)的底部相抵或相连。
  4. 根据权利要求1所述的扶手，其特征是所述的扶手内支架(4)和扶手外壳(1)为包敷注塑结构。
  5. 根据权利要求1所述的向扶手，其特征是所述的扶手座(2)与车体相连的一端上套装有扶手座垫(11)。
  6. 根据权利要求1所述的扶手，其特征是所述的扶手由扶手外壳(1)和扶手内支架(4)组成。
PCT/CN2019/102540 2019-08-20 2019-08-26 一种医疗车用可转向、锁定的扶手 WO2021031220A1 (zh)

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