[go: up one dir, main page]

CN111249082A - Drum nursing bed - Google Patents

Drum nursing bed Download PDF

Info

Publication number
CN111249082A
CN111249082A CN202010110835.8A CN202010110835A CN111249082A CN 111249082 A CN111249082 A CN 111249082A CN 202010110835 A CN202010110835 A CN 202010110835A CN 111249082 A CN111249082 A CN 111249082A
Authority
CN
China
Prior art keywords
bed
bed frame
bedstead
frame
rotating cylinder
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202010110835.8A
Other languages
Chinese (zh)
Inventor
刘超山
王辉
李向阳
罗庆
刘学凯
康毅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN202010110835.8A priority Critical patent/CN111249082A/en
Publication of CN111249082A publication Critical patent/CN111249082A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/001Beds specially adapted for nursing; Devices for lifting patients or disabled persons with means for turning-over the patient
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05Parts, details or accessories of beds
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05Parts, details or accessories of beds
    • A61G7/057Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor

Landscapes

  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Invalid Beds And Related Equipment (AREA)

Abstract

The invention discloses a cylindrical nursing bed, which comprises an outer bed frame, a rotating cylinder 1, a mechanism supporting plate, an inner bed frame, a leg bending and arm bending mechanism, a brake mechanism, an inner bed frame telescopic mechanism and a bed body rotating shaft, wherein the outer bed frame is arranged on the bed body; the outer bed frame, the rotating cylinder and the rotating cylinder 1 are meshed with the rotating cylinder 1 through a transmission gear on a rotating shaft of the bed body to be connected and transmitted; the inside frame is disposed inside the rotating cylinder; the mechanism supporting plate is arranged below the inner bed frame; the leg and arm bending mechanism is arranged above the mechanism supporting plate; the inner side bedstead telescopic mechanisms are arranged at the left side and the right side of the inner side bedstead; the brake mechanism is arranged on the bed body rotating shaft and is coaxial with the bed body rotating shaft. According to the cylindrical nursing bed, actions such as left side body, right side body, lying, leg bending, arm bending and the like are realized through an automatic control mode and a manual control mode, back damage of an old man caused by long-term lying can be fully relieved, the whole body of the old man can be relaxed, the manual control mode is set, the cylindrical nursing bed can be automatically controlled according to the self condition of the old man, and secondary damage to the old man caused by long-term lying is avoided.

Description

一种圆筒护理床A cylindrical nursing bed

技术领域technical field

本发明属于护理器械领域,具体涉及一种圆筒护理床。The invention belongs to the field of nursing equipment, in particular to a cylindrical nursing bed.

背景技术Background technique

随着我国人口老龄化进一步加剧,国内医院和养老护理机构对护理类医疗产品的需求也逐步增加。护理床作为医院和疗养机构必不可少的医疗工具,其需求数量也在不断被增加,然而,现有的护理床功能单一,只能实现坐起、屈腿等动作,但是拥有上述机构的护理床功能单一,不能实现趴卧、翻身等动作,不能有效缓解老人背部,使其长时间处于被压迫状态,进而使老人背部受损。所以需要设计一款圆筒护理床投入使用。With the further aggravation of my country's population aging, the demand for nursing medical products in domestic hospitals and nursing care institutions has gradually increased. Nursing beds are an indispensable medical tool in hospitals and convalescent institutions, and their demand is also increasing. However, the existing nursing beds have a single function and can only achieve actions such as sitting up and bending legs. The bed has a single function, and cannot achieve actions such as lying on the stomach, turning over, etc., and cannot effectively relieve the back of the elderly, making them in a state of oppression for a long time, thereby causing damage to the back of the elderly. Therefore, it is necessary to design a cylindrical nursing bed and put it into use.

摘要一种圆筒护理床包括外侧床架、旋转圆筒、旋转圆筒1、机构撑板、内侧床架、屈腿屈臂机构、刹车机构、内侧床架伸缩机构、床体旋转轴;所述外侧床架、旋转圆筒、旋转圆筒1通过床体旋转轴上传动齿轮与旋转圆筒1啮合进行连接、传动;所述内侧床架设置于旋转圆筒内;所述机构撑板设置在内侧床架下方;所述屈腿屈腿屈臂机构设置在机构撑板上方;所述内侧床架伸缩机构设置在内侧床架左右两侧;所述刹车机构安装与床体旋转轴上且与床体旋转轴同轴心。本发明的一种圆筒护理床通过自动、手动两种控制模式来实现左侧身、右侧身、趴卧、屈腿、屈臂等动作,可充分缓解老人由于长期躺卧造成的背部受损,能够使得老人全身得到放松,设置手动控制模式,可根据老人自身情况自行进行控制,避免了老人久睡不懂对其造成二次伤害。A cylindrical nursing bed includes an outer bed frame, a rotating cylinder, a rotating cylinder 1, a mechanism support plate, an inner bed frame, a leg bending mechanism, a braking mechanism, an inner bed frame telescopic mechanism, and a bed body rotating shaft; The outer bed frame, the rotating cylinder and the rotating cylinder 1 are connected and driven by meshing with the rotating cylinder 1 through the transmission gear on the rotating shaft of the bed body; the inner bed frame is arranged in the rotating cylinder; the mechanism support plate is arranged Below the inner bed frame; the leg-flexing and leg-flexing arm mechanism is arranged above the mechanism support plate; the inner bed frame telescopic mechanism is arranged on the left and right sides of the inner bed frame; the braking mechanism is installed on the bed body rotating shaft and It is coaxial with the rotation axis of the bed body. The cylindrical nursing bed of the present invention realizes actions such as left body, right body, lying on the stomach, flexing legs, and flexing arms through automatic and manual control modes, which can fully relieve the back pain caused by the long-term lying of the elderly. It can relax the whole body of the elderly, and set the manual control mode, which can be controlled according to the elderly's own conditions, so as to avoid secondary damage caused by the elderly's long sleep and ignorance.

发明内容SUMMARY OF THE INVENTION

针对现有技术中的缺陷,本发明的目的是提供一种自动翻身圆筒护理床。In view of the defects in the prior art, the purpose of the present invention is to provide an automatic turning over cylindrical nursing bed.

根据本发明提供的一种自动翻身圆筒护理床,包括外侧床架、旋转圆筒、旋转圆筒1、机构撑板、内侧床架、承重网、屈腿机构、屈臂机构、刹车机构、内侧床架伸缩机构;An automatic turning cylinder nursing bed provided according to the present invention includes an outer bed frame, a rotating cylinder, a rotating cylinder 1, a mechanism support plate, an inner bed frame, a load-bearing net, a leg bending mechanism, a bending arm mechanism, a braking mechanism, Inner bed frame telescopic mechanism;

所述外侧床架、旋转圆筒通过传动机构连接制动;The outer bed frame and the rotating cylinder are connected and braked by a transmission mechanism;

所述旋转圆筒1上冲压有齿;Teeth are punched on the rotating cylinder 1;

所述旋转圆筒共有4个;There are 4 described rotating cylinders;

优选地,还包括旋转圆筒内侧钢槽、旋转圆筒内侧钢板钢板;Preferably, it also includes a steel groove on the inner side of the rotating cylinder and a steel plate on the inner side of the rotating cylinder;

所述旋转圆筒内侧钢槽置于旋转圆筒内侧;The inner steel groove of the rotating cylinder is placed inside the rotating cylinder;

所述旋转圆筒内侧钢板嵌于钢槽内部以确保所有旋转圆筒同轴心;The inner steel plate of the rotating cylinder is embedded in the steel groove to ensure that all rotating cylinders are concentric;

所述外侧床架设置在旋转圆筒底部;The outer bed frame is arranged at the bottom of the rotating cylinder;

所述内侧床架设置于旋转圆筒内部;The inner bed frame is arranged inside the rotating cylinder;

所述机构撑板设置于所述内侧床架下部;the mechanism support plate is arranged at the lower part of the inner bed frame;

所述屈腿机构、屈臂机构设置于机构撑板上;The leg bending mechanism and the arm bending mechanism are arranged on the mechanism support plate;

所述内侧床架包括内侧床架横梁、内侧床架侧梁、内侧床架竖梁;The inner bed frame includes an inner bed frame beam, an inner bed frame side beam, and an inner bed frame vertical beam;

所述内侧床架横梁,内侧床架侧梁,内侧床架竖梁均设置于旋转圆筒内部且分别设置有两组,呈对称分布;The inner bed frame beam, the inner bed frame side beam, and the inner bed frame vertical beam are all arranged inside the rotating cylinder and are respectively arranged in two groups, which are symmetrically distributed;

所述内侧床架横梁设置于旋转圆筒内部,与旋转圆筒端面平齐,且与外侧床架保持平行;The inner bed frame beam is arranged inside the rotating cylinder, is flush with the end face of the rotating cylinder, and is parallel to the outer bed frame;

所述内侧床架侧梁呈”工”字形结构,内侧床架侧梁安装于内侧床架横梁之中,且可在内侧床架横梁上在一定范围内运动;The inner side beam of the bed frame is in an "I"-shaped structure, and the inner side beam of the bed frame is installed in the inner side beam of the bed frame, and can move within a certain range on the inner side beam of the bed frame;

所述内侧床架竖梁呈“T”字形,设置与于内侧床架侧梁上端且与其垂直;The inner bed frame vertical beam is in the shape of "T", and is arranged on the upper end of the inner bed frame side beam and is perpendicular to it;

所述承重网设置于内侧床架竖梁上端,水平放置,固定于旋转圆筒内侧;The load-bearing net is arranged on the upper end of the vertical beam of the inner bed frame, placed horizontally, and fixed on the inner side of the rotating cylinder;

优选地,还包括承重网滑轨;Preferably, it also includes a load-bearing net slide rail;

所述承重网滑轨设置在承重网左右两侧,两端滑轨四角固定于内侧床架伸缩套筒侧面,可沿滑轨进行滑动;The load-bearing net slide rails are arranged on the left and right sides of the load-bearing net, and the four corners of the slide rails at both ends are fixed on the side of the telescopic sleeve of the inner bed frame, and can slide along the slide rails;

优选地,还包括传动机构、电机、电机1、内侧床架伸缩套筒、床体旋转轴、床体旋转挡圈、屈腿屈臂机构、机构支撑凸台、皮带轮;Preferably, it also includes a transmission mechanism, a motor, a motor 1, an inner bed frame telescopic sleeve, a bed body rotation shaft, a bed body rotation retaining ring, a leg bending arm mechanism, a mechanism support boss, and a pulley;

所述传动机构安装于床体旋转轴中部,由齿轮与旋转圆筒上的齿相啮合进行传动;The transmission mechanism is installed in the middle of the rotating shaft of the bed body, and is driven by gears meshing with the teeth on the rotating cylinder;

所述电机设置于外侧床架侧方;The motor is arranged on the side of the outer bed frame;

所述电机1设置于机构撑板中部;The motor 1 is arranged in the middle of the mechanism support plate;

所述屈腿机构、屈臂机构通过所述电机1对其进行操控;The leg bending mechanism and the arm bending mechanism are controlled by the motor 1;

所述屈腿机构、屈臂机构左右两侧结构完全相同;The left and right sides of the leg bending mechanism and the arm bending mechanism are identical in structure;

所述屈腿机构、屈臂机构通过皮带相连接;The leg bending mechanism and the arm bending mechanism are connected by a belt;

所述机构支撑凸台设置在机构撑板上The mechanism support boss is arranged on the mechanism support plate

所述机构支撑凸台用于支撑连接轴;The mechanism support boss is used to support the connecting shaft;

所述连接轴分为前端连接轴、后端连接轴,形状结构完全相同,且在端面附近开有螺纹,并设置有螺母;The connecting shaft is divided into a front-end connecting shaft and a rear-end connecting shaft, the shape and structure are exactly the same, and a thread is opened near the end face, and a nut is provided;

所述连接轴上设置有皮带轮;The connecting shaft is provided with a pulley;

所述皮带轮安装于前后端连接轴中部,以及电机1转轴上,用于电机1带动机构运动;The pulley is installed in the middle of the front and rear connecting shafts and on the rotating shaft of the motor 1, and is used for the motor 1 to drive the mechanism to move;

所述连接轴安装在连接孔内;所述连接孔设置在机构支撑凸台中间位置;the connecting shaft is installed in the connecting hole; the connecting hole is arranged at the middle position of the mechanism support boss;

所述前端连接轴与后端连接轴分别用于连接屈臂机构与屈腿机构;The front-end connecting shaft and the rear-end connecting shaft are respectively used to connect the arm bending mechanism and the leg bending mechanism;

所述屈臂机构包括屈臂杆1、屈臂杆2;The bending arm mechanism includes a bending arm rod 1 and a bending arm rod 2;

所述屈臂杆1前后两端均设置有圆形孔;The front and rear ends of the bending arm rod 1 are provided with circular holes;

所述屈臂杆1前端圆形孔与连接轴同轴心连接,且用螺母固定其两侧,以免发生滑动;The circular hole at the front end of the flex arm rod 1 is concentrically connected with the connecting shaft, and the two sides are fixed with nuts to avoid sliding;

所述屈臂杆2呈圆柱形;The flex arm rod 2 is cylindrical;

所述屈臂杆2与所述屈臂杆1后端圆形孔呈同轴心连接,且外围包有海绵保护套;The flex arm rod 2 is concentrically connected with the circular hole at the rear end of the flex arm rod 1, and is surrounded by a sponge protective cover;

所述屈腿机构包括屈腿杆1、屈腿杆2、连接杆;The leg bending mechanism includes a leg bending rod 1, a leg bending rod 2, and a connecting rod;

所述连接杆前后端均设置有圆形孔;The front and rear ends of the connecting rod are provided with circular holes;

所述连接杆前端圆形孔与电机1转轴同心连接;The circular hole at the front end of the connecting rod is concentrically connected with the rotating shaft of the motor 1;

所述连接杆后端圆形孔与连接轴同心连接;The circular hole at the rear end of the connecting rod is concentrically connected with the connecting shaft;

所述屈腿杆1前后端均设置有圆形孔;The front and rear ends of the leg bending rod 1 are provided with circular holes;

所述屈腿杆1前端圆形孔与连接轴同轴心连接;The circular hole at the front end of the leg bending rod 1 is concentrically connected with the connecting shaft;

所述屈腿杆2呈圆柱形且外围包有海绵护套;The leg bending rod 2 is cylindrical and is surrounded by a sponge sheath;

所述屈腿杆2与屈腿杆1后端圆形孔同轴心连接;The leg bending rod 2 is concentrically connected with the circular hole at the rear end of the bending leg rod 1;

所述屈腿杆1左右两侧均安装有螺母,以固定屈腿杆1,避免其发生滑动;Nuts are installed on the left and right sides of the leg bending rod 1 to fix the leg bending rod 1 and prevent it from sliding;

所述电机1上安装有皮带轮,以带动屈腿机构、屈臂机构进行运动;A pulley is installed on the motor 1 to drive the leg bending mechanism and the arm bending mechanism to move;

所述刹车机构安装于床体旋转轴中部;The braking mechanism is installed in the middle of the rotating shaft of the bed body;

所述床体旋转轴设置在外侧床架上,呈对称分布;The bed body rotation axis is arranged on the outer bed frame and is symmetrically distributed;

所述内侧床架伸缩套筒安装于旋转圆筒内部,与内侧床架竖梁上端保持平行;The inner bed frame telescopic sleeve is installed inside the rotating cylinder and is kept parallel to the upper end of the inner bed frame vertical beam;

所述床体旋转挡圈安装于床体旋转轴上,呈同轴心分布,且与旋转圆筒相切以达到减摩效果;The bed rotating retaining ring is installed on the bed rotating shaft, distributed coaxially, and is tangent to the rotating cylinder to achieve the effect of reducing friction;

所述电机与床体旋转轴通过皮带连接作为动力源输入动力;The motor is connected with the rotating shaft of the bed body through a belt as a power source to input power;

优选地,还包括中间床板、左侧床板、右侧床板;Preferably, it also includes a middle bed board, a left bed board, and a right bed board;

所述中间床板设置在内侧床架横梁与内侧床架侧梁之内;The middle bed board is arranged within the inner bed frame beam and the inner bed frame side beam;

所述左侧床板设置在内侧床架侧梁与内侧床架左侧竖梁之内;The left bed plate is arranged in the side beam of the inner bed frame and the left vertical beam of the inner bed frame;

所述右侧床板设置在内侧床架侧梁与内侧床架右侧竖梁之内;the right side bed plate is arranged in the inner side beam of the inner bed frame and the right vertical beam of the inner bed frame;

优选地,还包括底部床板撑板、侧方床板撑板;Preferably, it also includes a bottom bed support plate and a side bed support plate;

所述底部床板撑板设置在中间床板下方;the bottom bed board support plate is arranged below the middle bed board;

所述侧方床板撑板设置在左侧床板与右侧床板下方;The side bed support plate is arranged under the left bed plate and the right bed plate;

所述底部床板撑板上开有4个矩形槽以提供屈腿屈臂机构工作半径;There are 4 rectangular grooves on the bottom bed support plate to provide the working radius of the leg bending mechanism;

优选地,还包括自动、手动两种控制系统;Preferably, it also includes two control systems, automatic and manual;

所述自动控制系统包括电机、电机1;The automatic control system includes a motor and a motor 1;

所述电机、电机1均为伺服电机;The motor and motor 1 are both servo motors;

所述自动控制系统内编写有相应PLC程序;A corresponding PLC program is written in the automatic control system;

所述手动控制系统为一手动控制器;The manual control system is a manual controller;

所述手动控制系统可自行变换姿态;The manual control system can change its posture by itself;

与现有技术相比,本发明具有如下的有益效果:Compared with the prior art, the present invention has the following beneficial effects:

1.本发明打破传统定势思维,提供了一种由旋转圆筒作为依托的可翻转式护理床。1. The present invention breaks the traditional fixed thinking and provides a reversible nursing bed supported by a rotating cylinder.

2.本发明提供的护理床通过PLC控制程序实现护理床的翻转,可使得病人在不离开床的前提下完成左侧翻身、右侧翻身、屈腿、屈臂、趴卧等动作,既可以使得老人充分活动,且趴卧动作可充分缓解病人背部疲劳,避免背部损伤。2. The nursing bed provided by the present invention realizes the overturning of the nursing bed through the PLC control program, so that the patient can complete the actions such as turning on the left side, turning on the right side, bending the leg, bending the arm, lying on the stomach, etc. without leaving the bed. It enables the elderly to be fully active, and the lying down action can fully relieve the patient's back fatigue and avoid back injury.

3.本发明在旋转圆筒内的内侧床架侧梁可沿着内侧床架横梁方向移动,可供给不同体征的人使用。3. The inner side beam of the bed frame in the rotating cylinder of the present invention can move along the direction of the inner bed frame beam, and can be used by people with different physical signs.

4.本发明通过自动、手动两种控制模式,即可实现自动控制,也可实现病人根据自身情况自行进行调控。4. The present invention can realize automatic control through automatic and manual control modes, and can also realize the patient's self-regulation according to their own conditions.

5.本发明后续还可根据自身需要加装前后翻身机构以实现功能多样化。5. The present invention can also add a front and rear turning mechanism according to its own needs to achieve functional diversification.

附图说明Description of drawings

通过阅读参照以下附图对非限制性实施例所做的详细描述,本发明的其他特征、目的和优点将会变得更加明显。Other features, objects and advantages of the present invention will become more apparent upon reading the detailed description of non-limiting embodiments with reference to the following drawings.

图1为本发明提供的圆筒护理床的整体结构示意图;Fig. 1 is the overall structure schematic diagram of the cylindrical nursing bed provided by the present invention;

图2为本发明提供的圆筒护理床局部结构示意图;Fig. 2 is the partial structure schematic diagram of the cylindrical nursing bed provided by the present invention;

图3为本发明提供的圆筒护理床传动部分示意图;3 is a schematic diagram of the transmission part of the cylindrical nursing bed provided by the present invention;

图4为本发明提供的圆筒护理床内侧床架局部示意图;4 is a partial schematic diagram of the inner bed frame of the cylindrical nursing bed provided by the present invention;

图5为本发明提供的圆筒护理床内侧床架伸缩套筒示意图;5 is a schematic diagram of the telescopic sleeve of the inner bed frame of the cylindrical nursing bed provided by the present invention;

图6为本发明提供的圆筒护理床屈腿屈臂机构示意图;Fig. 6 is the schematic diagram of the bending leg and arm bending mechanism of the cylindrical nursing bed provided by the present invention;

图7为本发明提供的圆筒护理床不同工作形态示意图;7 is a schematic diagram of different working forms of the cylindrical nursing bed provided by the present invention;

图8为本发明提供的圆筒护理床不同工作形态示意图;8 is a schematic diagram of different working forms of the cylindrical nursing bed provided by the present invention;

图9为本发明提供的圆筒护理床不同工作形态示意图;9 is a schematic diagram of different working forms of the cylindrical nursing bed provided by the present invention;

图中所示:0、机构撑板 1、外侧床架床腿 2、床体旋转轴 3、内侧床架竖梁 4、旋转圆筒 5、内侧床架伸缩套筒 6、旋转圆筒内侧钢板 7、旋转圆筒1 8、内侧床架侧梁 9、承重网 10、承重网滑轨 11、底部床板撑板 12、床体旋转挡圈 13、刹车机构 14、电机 15、内侧床架伸缩轨道 16、内侧床架伸缩轨道螺杆 17、内侧床架伸缩轨道螺母 18、传动齿轮 19、内侧床架横梁 20、皮带轮 21、电机1 22、皮带 23、机构支撑凸台 24、连接轴 25、屈臂机构杆1 26、屈臂机构杆2 27、屈腿机构杆1 28、屈腿机构杆2 29、海绵保护套 30、固定螺母 1-1、中间床板 1-2、左侧床板 1-3、右侧床板 1-4、侧方床板撑板。As shown in the figure: 0. Mechanism support plate 1, outer bed frame bed leg 2, bed body rotating shaft 3, inner bed frame vertical beam 4, rotating cylinder 5, inner bed frame telescopic sleeve 6, inner steel plate of the rotating cylinder 7. Rotating cylinder 1 8. Inner bed frame side beam 9, load-bearing net 10, load-bearing net slide rail 11, bottom bed support plate 12, bed rotating retaining ring 13, brake mechanism 14, motor 15, inner bed frame telescopic rail 16. Inner bed frame telescopic rail screw 17, inner bed frame telescopic rail nut 18, transmission gear 19, inner bed frame beam 20, pulley 21, motor 1 22, belt 23, mechanism support boss 24, connecting shaft 25, bending arm Mechanism rod 1 26, arm bending mechanism rod 2 27, leg bending mechanism rod 1 28, leg bending mechanism rod 2 29, sponge protective cover 30, fixing nut 1-1, middle bed plate 1-2, left bed plate 1-3, Right side bed board 1-4, side bed board support board.

具体实施方式Detailed ways

下面结合具体实例对本发明进行详细说明。以下实例将有助于本领域的技术人员进一步理解本发明。但不以任何形式限制本发明。应当指出的是,对本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变化和改进。这些都属于本发明的保护范围。The present invention will be described in detail below with reference to specific examples. The following examples will help those skilled in the art to further understand the present invention. However, the present invention is not limited in any form. It should be noted that, for those skilled in the art, several changes and improvements can be made without departing from the inventive concept. These all belong to the protection scope of the present invention.

如图1、4所示,一种圆筒护理床,包括外侧床架、旋转圆筒(4)、内侧床架(3、8、19)、屈腿屈臂机构、刹车机构(13)、内侧床架伸缩机构、床体旋转轴;所述所述内侧床架设置于旋转圆筒内;所述机构撑板(0)设置在内侧床架下方;所述屈腿屈腿屈臂机构设置在机构撑板上方;所述内侧床架伸缩机构设置在内侧床架左右两侧;所述刹车机构安装与床体旋转轴上且与床体旋转轴同轴心;所述刹车机构实则为一套棘轮机构,当设备正在旋转工作时,为防止由于惯性作用导致设备旋转圆筒过度旋转,刹车机构可有效制止圆筒过度旋转;所述内侧床架伸缩机构为手动伸缩控制,内侧床架在一定范围可通过调节内侧床架侧梁、内侧床架竖梁来调节内侧床架内部空间。As shown in Figures 1 and 4, a cylindrical nursing bed comprises an outer bed frame, a rotating cylinder (4), an inner bed frame (3, 8, 19), a leg bending mechanism, a braking mechanism (13), The inner bed frame telescopic mechanism and the bed body rotating shaft; the inner bed frame is arranged in the rotating cylinder; the mechanism support plate (0) is arranged under the inner bed frame; Above the mechanism support plate; the inner bed frame telescopic mechanism is arranged on the left and right sides of the inner bed frame; the braking mechanism is installed on the rotating shaft of the bed body and is coaxial with the rotating shaft of the bed body; the braking mechanism is actually a Set of ratchet mechanism, when the equipment is rotating, in order to prevent excessive rotation of the equipment rotating cylinder due to inertial action, the brake mechanism can effectively prevent the cylinder from rotating excessively; the inner bed frame telescopic mechanism is manual telescopic control, and the inner bed frame is in In a certain range, the inner space of the inner bed frame can be adjusted by adjusting the side beams of the inner bed frame and the vertical beam of the inner bed frame.

如图 1、4、5所示,一种圆筒护理床,还包括内侧床架侧梁(8)、内侧床架竖梁(3)、床体旋转挡圈(12)、内侧床架伸缩套筒(5)、承重网(9)、承重网滑轨(10);所述内侧床架侧梁(8)呈”工”字形结构,内侧床架侧梁(8)安装于内侧床架横梁(19)之中,且可在内侧床架横梁(19)上在一定范围内运动;所述内侧床架竖梁(3)呈“T”字形,设置与于内侧床架侧梁(8)上端且与其垂直;所述承重网(9)设置于内侧床架竖梁(3)上端,水平放置,固定于旋转圆筒(4)内侧;所述承重网滑轨(10)设置在承重网(9)左右两侧,两端滑轨四角固定于内侧床架伸缩套筒(5)侧面,可沿滑轨进行滑动;所述床体旋转挡圈(12)安装于床体旋转轴(2)上,呈同轴心分布,且与旋转圆筒相切以达到减摩效果;所述内侧床架伸缩套筒(5)安装于旋转圆筒内部,与内侧床架竖梁(3)上端保持平行,内侧床架竖梁可在内侧床架伸缩套筒(5)内进行运动;所述内侧床架伸缩套筒与内侧床架竖梁重合部分设置有运动轨道(15);所述运动轨道上安装有螺杆(16)与螺母(17),用于固定内侧床架;当需要调节内侧床架两侧床架之间距离时,通过移动内侧床架两侧侧梁与内侧床架两侧竖梁来调节内侧床架内的空间,当调节完成时,可通过内侧床架伸缩套筒与内侧床架竖梁重合部分设置的运动轨道以及螺杆与螺母来对内侧床架形成固定。所述内侧床架伸缩套筒外侧呈圆弧状,半径与旋转圆筒(4)内径相同。As shown in Figures 1, 4 and 5, a cylindrical nursing bed further comprises an inner bed frame side beam (8), an inner bed frame vertical beam (3), a bed body rotating retaining ring (12), an inner bed frame telescopic Sleeve (5), load-bearing net (9), load-bearing net slide rail (10); the inner side beam (8) of the inner bed frame is in the shape of "I", and the inner bed frame side beam (8) is installed on the inner bed frame In the beam (19), and can move within a certain range on the inner bed frame beam (19); the inner bed frame vertical beam (3) is in the shape of "T", and is arranged on the inner bed frame side beam (8) ) at the upper end and perpendicular to it; the load-bearing net (9) is arranged on the upper end of the inner bed frame vertical beam (3), placed horizontally, and fixed on the inner side of the rotating cylinder (4); the load-bearing net slide rail (10) is arranged on the load-bearing net On the left and right sides of the net (9), the four corners of the slide rails at both ends are fixed on the side of the inner bed frame telescopic sleeve (5), and can slide along the slide rails; the bed body rotating retaining ring (12) is installed on the bed body rotating shaft ( 2), distributed concentrically and tangentially to the rotating cylinder to reduce friction; the inner bed frame telescopic sleeve (5) is installed inside the rotating cylinder, and is connected to the inner bed frame vertical beam (3) The upper end is kept parallel, and the inner bed frame vertical beam can move in the inner bed frame telescopic sleeve (5); the overlapping part of the inner bed frame telescopic sleeve and the inner bed frame vertical beam is provided with a moving track (15); A screw (16) and a nut (17) are installed on the motion track to fix the inner bed frame; when the distance between the two sides of the inner bed frame needs to be adjusted, move the side beams on both sides of the inner bed frame and the inner bed frame The vertical beams on both sides are used to adjust the space in the inner bed frame. When the adjustment is completed, the inner bed frame can be fixed by the motion track set at the overlapping part of the inner bed frame telescopic sleeve and the inner bed frame vertical beam, as well as the screws and nuts. The outer side of the inner bed frame telescopic sleeve is arc-shaped, and the radius is the same as the inner diameter of the rotating cylinder (4).

如图 6所示,一种圆筒护理床,还包括屈腿屈臂机构中的多组零件;所述多组零件包括机构支撑凸台(23)、连接轴(24)、屈腿机构(27、28)、屈臂机构(25、26)、海绵保护套(29)、固定螺母(30)、电机1(21)、皮带轮(20)、皮带(22);所述屈腿机构包括屈腿机构杆1(27)、屈腿机构杆2(28)、海绵保护套(29);所述屈腿机构、屈臂机构分别连接于前端连接轴(24)与后端连接轴(24)上;所述前端连接轴(24)、后端连接轴(24)、电机1(21)、中间均安装有皮带轮(20),通过电机1(21)带动皮带进行传动;所述连接轴左右两端均设置有螺纹,且安装有固定螺母(30);所述屈腿机构、屈臂机构安装在连接轴上,在一定范围内可根据实际需要调节屈腿屈臂机构两端距离;所述屈腿屈臂机构左右两侧结构完全相同。As shown in FIG. 6 , a cylindrical nursing bed further includes multiple sets of parts in the leg bending and arm bending mechanism; the multiple sets of parts include a mechanism support boss (23), a connecting shaft (24), a leg bending mechanism ( 27, 28), a bending arm mechanism (25, 26), a sponge protective cover (29), a fixing nut (30), a motor 1 (21), a pulley (20), and a belt (22); the leg bending mechanism includes a bending Leg mechanism rod 1 (27), leg bending mechanism rod 2 (28), sponge protective cover (29); the leg bending mechanism and the arm bending mechanism are respectively connected to the front connecting shaft (24) and the rear connecting shaft (24) upper; the front connecting shaft (24), the rear connecting shaft (24), the motor 1 (21), and a pulley (20) are installed in the middle, and the belt is driven by the motor 1 (21) for transmission; the connecting shaft is left and right Both ends are provided with threads, and a fixing nut (30) is installed; the leg bending mechanism and the bending arm mechanism are installed on the connecting shaft, and the distance between the two ends of the bending leg bending mechanism can be adjusted according to actual needs within a certain range; The structure of the left and right sides of the flexion-leg and flexion-arm mechanism is exactly the same.

如图 1所示的一种圆筒护理床,还包括中间床板(1-1)、左侧床板(1-2)、右侧床板(1-3)、底部床板撑板(11)、侧方床板撑板(1-4);所述中间床板设置在内侧床架横梁(19)与内侧床架侧梁(8)之内;所述左侧床板(1-2)设置在内侧床架侧梁(8)与内侧床架左侧竖梁(3)之内;所述右侧床板设置在内侧床架侧梁与内侧床架右侧竖梁(3)之内;所述底部床板撑板(11)设置在中间床板(1-1)下方;所述侧方床板撑板(1-4)设置在左侧床板(1-2)与右侧床板(1-3)下方;所述底部床板撑板(11)上开有4个矩形槽以提供屈腿屈臂机构工作半径。As shown in Fig. 1, a cylindrical nursing bed further comprises a middle bed board (1-1), a left bed board (1-2), a right bed board (1-3), a bottom bed board support board (11), a side board A square bed plate support plate (1-4); the middle bed plate is arranged within the inner bed frame beam (19) and the inner bed frame side beam (8); the left bed plate (1-2) is arranged on the inner bed frame Inside the side beam (8) and the left vertical beam (3) of the inner bed frame; the right bed board is arranged within the inner bed frame side beam and the right vertical beam (3) of the inner bed frame; the bottom bed board supports The board (11) is arranged under the middle bed board (1-1); the side bed board support plates (1-4) are arranged under the left bed board (1-2) and the right bed board (1-3); the There are 4 rectangular grooves on the bottom bed support plate (11) to provide the working radius of the bent-leg and bent-arm mechanism.

如图 7、8、9所示的一种圆筒护理床,还包括自动、手动两种控制系统;所述自动控制系统包括电机(14)、电机1(21);所述电机、电机1均为伺服电机。As shown in Figures 7, 8, and 9, a cylindrical nursing bed also includes two control systems, automatic and manual; the automatic control system includes a motor (14) and a motor 1 (21); the motor and motor 1 Both are servo motors.

如图7、8、9所示为一种圆筒护理床的三种不同工作形态,分别为左侧身形态(图7)、趴卧形态(图8)与右侧身形态(图9),所述自动控制系统内编写有相应PLC程序,当处于自动控制状态时,设备会在规定时间变换以上三种形态以达到自动控制效果;当处于手动控制状态时,用户可根据自身实际需求,通过手动控制器来自行调节设备状态。As shown in Figures 7, 8 and 9, there are three different working forms of a cylindrical nursing bed, which are the left body shape (Figure 7), the lying shape (Figure 8) and the right body shape (Figure 9). , The automatic control system is programmed with corresponding PLC programs. When in the automatic control state, the equipment will change the above three forms at a specified time to achieve the automatic control effect; when in the manual control state, the user can according to their actual needs, The device status can be adjusted by the manual controller.

如图3所示的一种圆筒护理床还包括传动机构;所述传动机构动力来源为电机(14)通过专用电机皮带带动床体旋转轴(2)进行旋转,在床体旋转轴上安装有传动齿轮(18),同时在旋转圆筒1(7)上也采用一定机械加工方式加工有齿,当电机运转时床体旋转轴与电机之间存在一定的传动比,以减速方式带动床体旋转轴进行旋转,在床体旋转轴上安装的传动齿轮与旋转圆筒1之间亦存在传动比,进而进一步减速使得旋转圆筒进行旋转,以达到所需目的;整套设备进行二级减速设置,既可以防止设备旋转过快损坏电机,亦可使得老人在被护理过程中避免身体受到二次伤害;在整套设备运转时,屈腿屈臂机构也在同一时间进行运动。As shown in Figure 3, a cylindrical nursing bed also includes a transmission mechanism; the power source of the transmission mechanism is that the motor (14) drives the rotation shaft (2) of the bed body to rotate through a special motor belt, and is installed on the rotation shaft of the bed body. There is a transmission gear (18), and the rotating cylinder 1 (7) is also machined with teeth by a certain machining method. When the motor is running, there is a certain transmission ratio between the rotating shaft of the bed and the motor, which drives the bed in a deceleration manner. The rotating shaft of the bed rotates, and there is also a transmission ratio between the transmission gear installed on the rotating shaft of the bed and the rotating cylinder 1, and further deceleration makes the rotating cylinder rotate to achieve the desired purpose; the whole set of equipment undergoes secondary deceleration The setting can not only prevent the equipment from rotating too fast and damage the motor, but also prevent the elderly from suffering secondary injuries during the nursing process; when the whole set of equipment is running, the bending legs and arms also move at the same time.

以上所述,仅是本发明的较佳实例而已,并非对本发明做任何形式上的限制,凡是依据本发明的技术实质对以上实例所做的任何简单修改、等同变化与修饰,均仍属于本发明技术方案的范围内。The above are only preferred examples of the present invention, and do not limit the present invention in any form. Any simple modifications, equivalent changes and modifications made to the above examples according to the technical essence of the present invention still belong to this within the scope of the technical solution of the invention.

综上所述,本发明在结构设计、实用性等方面完全符合产业发展需求,且所揭示的结构均具有创造性、新颖性、实用性,符合发明专利要件的规定,故依法提起申请。To sum up, the present invention fully meets the needs of industrial development in terms of structural design and practicability, and the disclosed structures are creative, novel, and practical, and meet the requirements of invention patent requirements, so the application is filed in accordance with the law.

Claims (5)

1. A cylinder nursing bed is characterized by comprising an outer bed frame, a rotating cylinder 1, a mechanism supporting plate, an inner bed frame, a leg bending and arm bending mechanism, a brake mechanism, an inner bed frame telescopic mechanism and a bed body rotating shaft;
the outer bed frame, the rotating cylinder and the rotating cylinder 1 are meshed with the rotating cylinder 1 through a transmission gear on a rotating shaft of the bed body to be connected and transmitted;
the inside frame is disposed inside the rotating cylinder;
the mechanism supporting plate is arranged below the inner bed frame;
the leg and arm bending mechanism is arranged above the mechanism supporting plate;
the inner side bedstead telescopic mechanisms are arranged at the left side and the right side of the inner side bedstead;
the brake mechanism is arranged on the bed body rotating shaft and is coaxial with the bed body rotating shaft.
2. The cylindrical nursing bed of claim 1, further comprising inner frame side beams, inner frame vertical beams, bed rotation blocking rings, inner frame telescoping sleeves, bearing nets, bearing net sliding rails;
the side beam of the inner side bedstead is of an I-shaped structure, is arranged in the cross beam of the inner side bedstead and can move on the cross beam of the inner side bedstead within a certain range;
the vertical beam of the inner bedstead is T-shaped and is arranged at the upper end of the side beam of the inner bedstead and is vertical to the side beam;
the bearing net is arranged at the upper end of the vertical beam of the inner side bed frame, is horizontally placed and is fixed at the inner side of the rotating cylinder;
the bearing net slide rails are arranged on the left side and the right side of the bearing net, and four corners of the slide rails at the two ends are fixed on the side surface of the telescopic sleeve of the inner bedstead and can slide along the slide rails;
the bed body rotation retainer ring is arranged on the bed body rotation shaft, is coaxially distributed and is tangent to the rotation cylinder to achieve the antifriction effect;
the inner bedstead telescopic sleeve is arranged inside the rotating cylinder and is parallel to the upper end of the inner bedstead vertical beam, and the inner bedstead vertical beam can move in the inner bedstead telescopic sleeve;
the overlapped part of the inner side bedstead telescopic sleeve and the inner side bedstead vertical beam is provided with a moving track;
the moving track is provided with a screw and a nut and is used for fixing the inner side bedstead;
the outer side of the telescopic sleeve of the inner bedstead is in an arc shape, and the radius of the telescopic sleeve is the same as the inner diameter of the rotary cylinder.
3. The cylindrical nursing bed of claim 1, wherein said leg and arm bending mechanism comprises a plurality of sets of parts;
the multiple groups of parts comprise mechanism supporting bosses, connecting shafts, leg bending mechanisms, arm bending mechanisms, sponge protective sleeves, fixing nuts, motors 1, belt pulleys and belts;
the leg bending mechanism comprises a leg bending mechanism rod 1, a leg bending mechanism rod 2 and a sponge protective sleeve;
the leg bending mechanism and the arm bending mechanism are respectively connected to the front end connecting shaft and the rear end connecting shaft;
the front end connecting shaft, the rear end connecting shaft, the motor 1 and the middle part are all provided with belt pulleys, and the belt is driven by the motor 1 to carry out transmission;
threads are arranged at the left end and the right end of the connecting shaft, and fixing nuts are arranged on the threads;
the leg bending mechanism and the arm bending mechanism are arranged on the connecting shaft, and the distance between the two ends of the leg bending mechanism can be adjusted within a certain range according to actual needs.
4. The left side and the right side of the leg bending and arm bending mechanism have the same structure;
the cylindrical nursing bed of claim 1, further comprising a middle bed plate, a left bed plate, a right bed plate, a bottom bed plate support plate, and a side bed plate support plate;
the middle bed plate is arranged in the inner side bed frame cross beam and the inner side bed frame side beam;
the left bed board is arranged in the side beam of the inner bed frame and the left vertical beam of the inner bed frame;
the right bed board is arranged in the side beam of the inner bed frame and the right vertical beam of the inner bed frame;
the bottom bed plate supporting plate is arranged below the middle bed plate;
the lateral bed plate supporting plate is arranged below the left bed plate and the right bed plate;
4 rectangular grooves are formed in the bottom bed plate supporting plate to provide working radius of the leg bending and arm bending mechanism.
5. The cylindrical nursing bed of claim 1, further comprising an automatic control system and a manual control system;
the automatic control system comprises a motor and a motor 1;
the motor and the motor 1 are both servo motors;
a corresponding PLC program is programmed in the automatic control system;
the manual control system is a manual controller;
the manual control system can change the posture by itself.
CN202010110835.8A 2020-02-24 2020-02-24 Drum nursing bed Pending CN111249082A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010110835.8A CN111249082A (en) 2020-02-24 2020-02-24 Drum nursing bed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010110835.8A CN111249082A (en) 2020-02-24 2020-02-24 Drum nursing bed

Publications (1)

Publication Number Publication Date
CN111249082A true CN111249082A (en) 2020-06-09

Family

ID=70943125

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010110835.8A Pending CN111249082A (en) 2020-02-24 2020-02-24 Drum nursing bed

Country Status (1)

Country Link
CN (1) CN111249082A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112022541A (en) * 2020-09-24 2020-12-04 宁波市第一医院 Turnover mechanism and turnover bed for patient prone position turnover
CN112704610A (en) * 2020-12-24 2021-04-27 唐英丽 Uropoiesis surgery postoperative rehabilitation device that can carry out diversified angular adjustment
CN112957194A (en) * 2021-03-18 2021-06-15 潍坊市益都中心医院 Rotary auxiliary turning-over device capable of reducing oppression for daily nursing of paralyzed patient
CN112971759A (en) * 2021-02-02 2021-06-18 吴倩 MRI image diagnostic device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020104535A1 (en) * 2000-07-14 2002-08-08 Biondo John P. Pulmonary therapy apparatus
KR100721593B1 (en) * 2006-05-04 2007-05-23 변덕규 Swivel medical bed
CN201676095U (en) * 2010-03-11 2010-12-22 焦秀贞 Electric turnover burn nursing bed
CN103230326A (en) * 2013-05-13 2013-08-07 中国人民解放军第三军医大学第一附属医院 Bed facilitating burn patients to turn over
CN106344306A (en) * 2016-10-12 2017-01-25 辛志明 Medical care bed for large-area burn patients
CN107693246A (en) * 2017-11-03 2018-02-16 李秀荣 A kind of sick bed
CN110772381A (en) * 2019-11-05 2020-02-11 北华航天工业学院 A bed for helping the elderly and the disabled
CN212699385U (en) * 2020-02-24 2021-03-16 王辉 Drum nursing bed

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020104535A1 (en) * 2000-07-14 2002-08-08 Biondo John P. Pulmonary therapy apparatus
KR100721593B1 (en) * 2006-05-04 2007-05-23 변덕규 Swivel medical bed
CN201676095U (en) * 2010-03-11 2010-12-22 焦秀贞 Electric turnover burn nursing bed
CN103230326A (en) * 2013-05-13 2013-08-07 中国人民解放军第三军医大学第一附属医院 Bed facilitating burn patients to turn over
CN106344306A (en) * 2016-10-12 2017-01-25 辛志明 Medical care bed for large-area burn patients
CN107693246A (en) * 2017-11-03 2018-02-16 李秀荣 A kind of sick bed
CN110772381A (en) * 2019-11-05 2020-02-11 北华航天工业学院 A bed for helping the elderly and the disabled
CN212699385U (en) * 2020-02-24 2021-03-16 王辉 Drum nursing bed

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112022541A (en) * 2020-09-24 2020-12-04 宁波市第一医院 Turnover mechanism and turnover bed for patient prone position turnover
CN112022541B (en) * 2020-09-24 2022-02-08 宁波市第一医院 Turnover mechanism and turnover bed for patient prone position turnover
CN112704610A (en) * 2020-12-24 2021-04-27 唐英丽 Uropoiesis surgery postoperative rehabilitation device that can carry out diversified angular adjustment
CN112704610B (en) * 2020-12-24 2021-12-28 西北妇女儿童医院 Uropoiesis surgery postoperative rehabilitation device that can carry out diversified angular adjustment
CN112971759A (en) * 2021-02-02 2021-06-18 吴倩 MRI image diagnostic device
CN112957194A (en) * 2021-03-18 2021-06-15 潍坊市益都中心医院 Rotary auxiliary turning-over device capable of reducing oppression for daily nursing of paralyzed patient

Similar Documents

Publication Publication Date Title
CN111249082A (en) Drum nursing bed
CN206979700U (en) A kind of antenatal exaination bed
CN111407551A (en) Medical treatment bed for internal medicine
CN111467152B (en) Working method of nursing device for medical general surgery department
KR101956178B1 (en) Apparatus for assisting
CN112451249B (en) Medical bed with auxiliary rehabilitation device
CN209519067U (en) A kind of neurosurgical care massage machine
CN207356189U (en) A kind of care bed that bed is changed easy to turn and shifting
CN111407574A (en) Medical internal medicine rehabilitation is with diagnosing bed
CN112413371B (en) A computer support device and support method for a hospital bed
CN212699385U (en) Drum nursing bed
CN220109979U (en) But sick bed is used in anorectal nursing of fast assembly
CN209713622U (en) Supine posture back rolls the massage hospital bed that rises and falls
CN219000937U (en) Nursing bed board lifting structure
CN215607038U (en) Department of neurology nurses support
CN216877084U (en) a massage bed
CN109568031A (en) A kind of stretcher facilitating transfer
CN111068184B (en) Medical nerve relaxing device
CN213130401U (en) Severe patient prevents bedsore nursing device
CN211705141U (en) Splint device for orthopedics
CN212913642U (en) Equipment is changed to severe nursing bedsore prevention and cure bed course
CN114795723A (en) Head is fixed with nursing bed
CN110801378B (en) An autonomous scraping device for medical use
CN211535248U (en) Multifunctional orthopedic nursing bed
CN209236641U (en) A device for assisting getting up

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination