CN111228732A - Muscle strength training device for waist rotation - Google Patents

The invention relates to a muscle strength training device aiming at waist rotation. The power take-off is connected to a transmission unit which applies torque to the human body by the principle of a parallel four-bar mechanism. The training seat comprises an upper rotating joint and a lower rotating joint and an adjustable backrest, and provides an experimental foundation for rehabilitation training. The shoulder fixing device is connected with the human body and the training seat to realize the mutual transmission of human-computer force. The connecting unit connects the power output device and the training seat into a whole, and the whole stability of the device in the training process is ensured. Through the structure, the waist rotary muscle strength training device can meet the requirements of different patients on waist muscle strength training, is simple in structure and control, and can complete actions required by waist rotary muscle strength training.

一种针对腰部旋转的肌力训练装置A muscle strength training device for waist rotation

技术领域technical field

本发明涉及一种针对腰部旋转的肌力训练装置，具体说，涉及用四杆机构传递动力的腰部旋转肌力训练装置。The invention relates to a muscle strength training device for lumbar rotation, in particular to a lumbar rotation muscle strength training device using a four-bar mechanism to transmit power.

背景技术Background technique

肌肉在人体中行使许多重要功能，健康强壮的肌肉能保持身体关节的稳定性和从事各种身体活动的能力，肌肉萎缩对肌力、运动、耐力以及日常活动能力等均有较大影响。腰部肌肉是人体最重要的肌群之一，人体的力量、稳定性及保护脊柱都离不开腰部，一些基本运动如跑步、游泳、跳绳等都需要腰部力量的支撑。对腰部进行肌力训练，可以有效锻炼和提升人体的腰部肌肉力量，进而提升腰部的稳定性和协调性，延缓腰椎劳损退变的过程，从而有效预防急慢性腰部损伤和腰痛的发生。Muscles perform many important functions in the human body. Healthy and strong muscles can maintain the stability of body joints and the ability to engage in various physical activities. Muscle atrophy has a great impact on muscle strength, exercise, endurance and daily activities. The waist muscles are one of the most important muscle groups in the human body. The strength, stability and protection of the spine are inseparable from the waist. Some basic sports such as running, swimming, and skipping require the support of the waist. Muscle strength training for the waist can effectively exercise and improve the strength of the waist muscles of the human body, thereby improving the stability and coordination of the waist, delaying the process of lumbar strain and degeneration, thereby effectively preventing the occurrence of acute and chronic low back injuries and low back pain.

腰部旋转肌力训练装置能够使人体腰部左右旋转运动得到有效的锻炼，且结构简洁，控制简单，舒适耐用，能够实现主动和被动训练。该装置有外表美观、调节灵活、穿戴舒适等优点，能够实现多种训练模式，满足人体不同训练需求。The waist rotation muscle strength training device can effectively exercise the left and right rotation movement of the human waist, and has the advantages of simple structure, simple control, comfort and durability, and can realize active and passive training. The device has the advantages of beautiful appearance, flexible adjustment, comfortable wearing, etc., and can realize various training modes to meet different training needs of the human body.

发明内容SUMMARY OF THE INVENTION

本发明的目的在于提供一种针对腰部旋转的肌力训练装置，以解决上述问题。The purpose of the present invention is to provide a muscle strength training device for lumbar rotation to solve the above problems.

本发明实例提供了一种针对腰部旋转的肌力训练装置，其特征在于该肌力训练装置括动力输出装置、训练座椅、传动单元、肩部固定装置、连接单元；An example of the present invention provides a muscle strength training device for lumbar rotation, characterized in that the muscle strength training device includes a power output device, a training seat, a transmission unit, a shoulder fixing device, and a connection unit;

动力输出装置能够调整高度和水平旋转角度，为康复训练提供稳定输出转矩；训练座椅安装有绑带，靠背角度可以灵活选择，保证训练舒适性；承重柱上下两端安装有两个转动关节，上转动关节用于动力的传递，下转动关节用于连接单元的固定，人体腰部转动中心与承重柱中心在同一轴线上；传动单元采用平行四杆机构的运动方式进行动力传递，人体腰部转动中心与驱动单元输出轴转动中心固定在同一平面，驱动单元输出轴与训练座椅上转动关节保持同步转动；人机连接装置前端与人体肩部绑缚，末端固定在训练座椅上转动关节，用于传递转矩；连接单元用于连接训练座椅和驱动单元，提高装置整体的稳定性，其前端与训练座椅下转动关节相连，其后端固定在驱动单元升降柱上，其长度可以自由伸缩，用于调整训练座椅与驱动单元的距离。The power output device can adjust the height and horizontal rotation angle to provide stable output torque for rehabilitation training; the training seat is equipped with straps, and the backrest angle can be flexibly selected to ensure training comfort; two rotating joints are installed at the upper and lower ends of the load-bearing column , the upper rotary joint is used for power transmission, the lower rotary joint is used to fix the connection unit, the rotation center of the human waist and the center of the load-bearing column are on the same axis; the transmission unit adopts a parallel four-bar mechanism for power transmission, and the human waist rotates The center and the rotation center of the output shaft of the drive unit are fixed on the same plane, and the output shaft of the drive unit rotates synchronously with the rotating joint on the training seat; the front end of the man-machine connection device is bound to the shoulder of the human body, and the end is fixed on the rotating joint on the training seat. It is used to transmit torque; the connecting unit is used to connect the training seat and the drive unit to improve the overall stability of the device. Free retractable, used to adjust the distance between the training seat and the drive unit.

进一步，训练座椅包括椅子底盘、下转动关节、承重柱、上转动关节、椅子底座、椅子靠背；椅子底盘放置在地面上，下转动关节分别与椅子底盘和承重柱下端面通过螺钉连接，且能够绕承重柱中心转动；上转动关节分别与承重柱上端面和椅子底座下表面连接；椅子底座上表面开有4个安装孔，用于加装辅助支撑杆，便于训练过程中保持人体稳定性；椅子靠背与椅子底座相连接，能够通过把手调整椅子靠背相对于底座的转动角度，提高训练过程中人体舒适性。Further, the training seat includes a chair chassis, a lower rotating joint, a load-bearing column, an upper rotating joint, a chair base, and a chair back; the chair chassis is placed on the ground, and the lower rotating joint is respectively connected with the chair chassis and the lower end surface of the load-bearing column through screws, and It can rotate around the center of the load-bearing column; the upper rotating joints are respectively connected with the upper end surface of the load-bearing column and the lower surface of the chair base; there are 4 mounting holes on the upper surface of the chair base for installing auxiliary support rods, which is convenient for maintaining the stability of the human body during training. The chair back is connected with the chair base, and the rotation angle of the chair back relative to the base can be adjusted through the handle, thereby improving the comfort of the human body during the training process.

进一步，动单元包括一根长杆、两根L型杆、两根短杆，杆件连接后构成平行四杆机构，使力矩传递的对称性得到保证；长杆中心与驱动单元转动中心在同一轴线上，通过手轮压紧使其固定在动力头输出杆上；两根L型杆分别连接在长杆的两端，L型杆能够绕长杆转动；两根短杆圆端分别与两根L型杆连接，同时能够相对转动，两根短杆方端固定在训练座椅传动轴承座两端。Further, the moving unit includes a long rod, two L-shaped rods, and two short rods. After the rods are connected, a parallel four-bar mechanism is formed to ensure the symmetry of torque transmission; the center of the long rod and the rotation center of the driving unit are in the same On the axis, it is fixed on the output rod of the power head by pressing the handwheel; two L-shaped rods are connected to the two ends of the long rod respectively, and the L-shaped rod can rotate around the long rod; the round ends of the two short rods are respectively connected with the two ends. The L-shaped rods are connected and can rotate relatively at the same time, and the square ends of the two short rods are fixed on the two ends of the transmission bearing seat of the training seat.

进一步，肩部固定装置包括L型支撑杆、U型架、肩部挡板、压紧夹、肩部固定环、把手；L型支撑杆通过手轮压紧使其固定在训练座椅上转动关节；U型架高低位置可调，用于适应不同人的身高，采用手轮压紧方式进行固定；肩部挡板与U型架通过螺钉连接，其表面有高密度海绵，保证人体穿戴舒适性；压紧夹沿U型架圆柱面前后滑动，以适应不同人体尺寸；肩部固定环能够绕压紧夹转动；把手固定在U型架末端，便于人体发力。Further, the shoulder fixing device includes an L-shaped support rod, a U-shaped frame, a shoulder baffle, a pressing clip, a shoulder fixing ring, and a handle; Joints; the height of the U-shaped frame is adjustable to adapt to the height of different people, and it is fixed by pressing the hand wheel; the shoulder baffle and the U-shaped frame are connected by screws, and the surface is covered with high-density sponge to ensure comfortable wearing. The compression clamp slides along the front and back of the U-shaped frame cylinder to adapt to different human body sizes; the shoulder fixing ring can rotate around the compression clamp; the handle is fixed at the end of the U-shaped frame, which is convenient for the human body to exert force.

进一步，连接单元包括伸缩壳、伸缩板、齿条、定位器、定位齿；齿条固定在伸缩板的上表面，伸缩壳与伸缩板能够相对滑动；定位器安装在伸缩壳外表面，其内部装有定位齿，通过人工按下与拔起控制定位齿上下移动，以实现定位齿与齿条的啮合与分离，进而便于调整连接单元的整体长度。Further, the connecting unit includes a telescopic casing, a telescopic plate, a rack, a positioner, and a positioning tooth; the rack is fixed on the upper surface of the telescopic plate, and the telescopic casing and the telescopic plate can slide relatively; the positioner is installed on the outer surface of the telescopic casing, and its interior The positioning teeth are installed, and the positioning teeth are controlled to move up and down by manual pressing and pulling, so as to realize the engagement and separation of the positioning teeth and the rack, and thus facilitate the adjustment of the overall length of the connecting unit.

与现有技术相比本发明的有益效果是：该装置结构和控制相对简单，外形简洁，穿戴方便，舒适耐用，可以通过调整杆件尺寸来适应不同使用人群，能够实现腰部肌肉的主动与被动等多种训练模式。Compared with the prior art, the beneficial effects of the present invention are: the structure and control of the device are relatively simple, the appearance is simple, the wearing is convenient, comfortable and durable, the size of the rod can be adjusted to adapt to different users, and the active and passive waist muscles can be realized. and other training modes.

附图说明Description of drawings

图1是本发明一种腰部旋转肌力训练装置的轴测视图；1 is an axonometric view of a lumbar rotational muscle strength training device of the present invention;

图2是腰部旋转肌力训练装置整体的侧视图；Fig. 2 is a side view of the whole of the lumbar rotator muscle strength training device;

图3是腰部旋转肌力装置训练座椅的侧视图；Figure 3 is a side view of the lumbar rotational muscle strength device training seat;

图4是腰部旋转肌力训练装置传动单元的轴测视图；Fig. 4 is the axonometric view of the transmission unit of the lumbar rotary muscle strength training device;

图5是腰部旋转肌力训练装置肩部固定装置的轴测视图；Fig. 5 is the axonometric view of the shoulder fixing device of the lumbar rotator muscle strength training device;

图6是腰部旋转肌力训练装置连接单元的剖视图；6 is a cross-sectional view of a connection unit of a lumbar rotational muscle strength training device;

具体实施方式Detailed ways

下面结合附图所示的各实施方式对本发明进行详细说明，但应当说明的是，这些实施方式并非对本发明的限制，本领域普通技术人员根据这些实施方式所做的功能、方法、或者结构上的等效变换或替代，均属于本发明的保护范围之内。The present invention will be described in detail below with reference to the various embodiments shown in the accompanying drawings, but it should be noted that these embodiments do not limit the present invention. Equivalent transformations or substitutions are all within the protection scope of the present invention.

图1是本发明一种腰部旋转肌力训练装置的轴测视图，图2是腰部旋转肌力训练装置整体的侧视图，图3是腰部旋转肌力装置训练座椅的侧视图，图4是腰部旋转肌力训练装置传动单元的轴测视图，图5是腰部旋转肌力训练装置肩部固定装置的轴测视图，图6是腰部旋转肌力训练装置连接单元的剖视图。1 is an axonometric view of a lumbar rotational muscle strength training device of the present invention, FIG. 2 is a side view of the entire lumbar rotational muscle strength training device, FIG. 3 is a side view of a lumbar rotational muscle strength training seat, and FIG. 4 is a An axonometric view of the transmission unit of the lumbar rotational muscle strength training device, FIG. 5 is an axonometric view of the shoulder fixing device of the lumbar rotational muscle strength training device, and FIG. 6 is a cross-sectional view of the connection unit of the lumbar rotational muscle strength training device.

面结合附图所示的各实施方式对本发明进行详细说明，但应当说明的是，这些实施方式并非对本发明的限制，本领域普通技术人员根据这些实施方式所做的功能、方法、或者结构上的等效变换或替代，均属于本发明的保护范围之内。The present invention will be described in detail with reference to the various embodiments shown in the accompanying drawings, but it should be noted that these embodiments do not limit the present invention. Equivalent transformations or substitutions are all within the protection scope of the present invention.

本实施例提供了一种针对腰部旋转的肌力训练装置，参图1～图6所示，该腰部肌力训练装置包括动力输出装置装置、训练座椅、传动单元、肩部固定装置、连接单元，人体通过该腰部旋转肌力训练装置，对腰部肌肉进行康复训练。This embodiment provides a muscle strength training device for lumbar rotation. Referring to FIGS. 1 to 6 , the lumbar muscle strength training device includes a power output device, a training seat, a transmission unit, a shoulder fixing device, a connection Unit, the human body performs rehabilitation training on the lumbar muscles through the lumbar rotation muscle strength training device.

本实施例中，参图1、图2所示，动力输出装置包括输出杆1、动力头2、水平旋转座3、水平锁紧手轮4、支撑柱5、俯仰手轮6、星形底盘7、万向轮8；所述输出杆1与所述动力头2通过键连接；所述动力头2安装在所述水平旋转座3上，所述动力头2能够相对于所述水平旋转座3自由转动；所述水平锁紧手轮4用于固定所述动力头2转动角度；所述俯仰手轮6与所述动力头2采用螺钉连接，用于调整所述动力头2俯仰转动角度；所述支撑柱5上端面与所述水平旋转座3通过螺钉固定，下端面固定在所述星形底盘7上；所述星形底盘7安装有4个万向轮8，以便于动力输出装置整体的移动。In this embodiment, as shown in FIGS. 1 and 2 , the power output device includes an output rod 1, a power head 2, a horizontal rotating seat 3, a horizontal locking handwheel 4, a support column 5, a pitching handwheel 6, and a star-shaped chassis. 7. Universal wheel 8; the output rod 1 and the power head 2 are connected by a key; the power head 2 is installed on the horizontal rotation seat 3, and the power head 2 can be relative to the horizontal rotation seat 3. Free rotation; the horizontal locking handwheel 4 is used to fix the rotation angle of the power head 2; ; The upper end face of the support column 5 and the horizontal rotating seat 3 are fixed by screws, and the lower end face is fixed on the star-shaped chassis 7; The star-shaped chassis 7 is installed with 4 universal wheels 8, so as to facilitate power output Movement of the device as a whole.

本实施例中，参图1、图2、图4所示，所述传动单元包括一根长杆9、两根L型杆10、两根短杆11；所述长杆9安装在所诉输出杆1上，采用手轮12压紧的方式进行固定，所述长杆9转动中心与所述输出杆1转动中心保持在同一轴线上；所述L型杆短侧10与所述长杆9一侧末端连接，所述L型杆10能够相对于长杆9转动，并通过手轮12拧紧使所述L型杆10竖直位置固定；所述L型杆10长侧与所诉短杆11圆端通过手轮12连接，连接部分为转动副；所述短杆11与所述传动轴承座24通过手轮12压紧的方式连接；所述传动单元另一侧采用对称的连接方式进行拼接，构成平行四边形，其优点是传动过程中所产生的偏心力矩能够相互抵消，保证传动过程中装置的整体稳定性；In this embodiment, as shown in FIGS. 1 , 2 and 4 , the transmission unit includes a long rod 9 , two L-shaped rods 10 , and two short rods 11 ; the long rod 9 is installed on the The output rod 1 is fixed by pressing the hand wheel 12, the rotation center of the long rod 9 and the rotation center of the output rod 1 are kept on the same axis; the short side 10 of the L-shaped rod and the long rod 9. One side end is connected, the L-shaped rod 10 can be rotated relative to the long rod 9, and the vertical position of the L-shaped rod 10 is fixed by tightening the hand wheel 12; the long side of the L-shaped rod 10 is the same as the short The round end of the rod 11 is connected by the hand wheel 12, and the connecting part is a rotating pair; the short rod 11 and the transmission bearing seat 24 are connected by pressing the hand wheel 12; the other side of the transmission unit adopts a symmetrical connection method Splicing to form a parallelogram, the advantage is that the eccentric moments generated during the transmission process can cancel each other out to ensure the overall stability of the device during the transmission process;

本实施例中，参图1、图2、图3所示，所述训练座椅包括椅子底盘13、下转动关节14、承重柱15、上转动关节16、椅子底座17、椅子靠背18；所述椅子底盘13放置在地面上，所述下转动关节包括第一深沟球轴承19-1、下连接法兰20、轴承座21、挡圈22；第一深沟球轴承19-1内圈安装在椅子底盘13的凸起轴上，轴承座21套在第一深沟球轴承19-1外圈上，其矩形平面用于安装连接单元，连接单元能够绕所述承重柱15中心转动；挡圈22与轴承座21通过螺钉连接，对第一深沟球轴承19-1起到轴向限位的作用；下连接法兰20端面与椅子底盘13的凸起轴上表面连接，其上表面通过螺钉固定在所述承重柱15下表面；所述承重柱15上表面与上连接法兰23通过螺钉连接；所述上转动关节16包括第二深沟球轴承19-2、上连接法兰23、传动轴承座24、挡圈22、椅子转盘25；第二深沟球轴承19-2内圈套在在椅子转盘25上，外圈安装在传动轴承座24上；传动轴承座24分别与所述短杆11和肩部固定装置连接通过手轮13压紧固定，能够起到传递扭矩的作用；挡圈22固定在传动轴承座24上，对第二深沟球轴承19-2起到轴向限位的作用；所述椅子底座17固定在椅子转盘25上表面；所述椅子底座17表面开有4个安装孔，用于加装辅助支撑杆，便于训练过程中保持人体稳定性；所述椅子靠背18能够相对于椅子底座17相对转动，把手26可调整所述椅子靠背18的转动角度，提高训练过程中人体穿戴的舒适性。In this embodiment, as shown in FIGS. 1 , 2 and 3 , the training seat includes a chair chassis 13 , a lower rotating joint 14 , a load-bearing column 15 , an upper rotating joint 16 , a chair base 17 , and a chair backrest 18 ; The chair chassis 13 is placed on the ground, and the lower rotating joint includes a first deep groove ball bearing 19-1, a lower connecting flange 20, a bearing seat 21, and a retaining ring 22; the inner ring of the first deep groove ball bearing 19-1 Installed on the convex shaft of the chair chassis 13, the bearing seat 21 is sleeved on the outer ring of the first deep groove ball bearing 19-1, and its rectangular plane is used to install the connecting unit, and the connecting unit can rotate around the center of the bearing column 15; The retaining ring 22 is connected with the bearing seat 21 by screws, and plays an axial limit on the first deep groove ball bearing 19-1; The surface is fixed on the lower surface of the bearing column 15 by screws; the upper surface of the bearing column 15 is connected with the upper connecting flange 23 by screws; the upper rotating joint 16 includes the second deep groove ball bearing 19-2, the upper connecting method Lan 23, transmission bearing seat 24, retaining ring 22, chair turntable 25; the inner ring of the second deep groove ball bearing 19-2 is sleeved on the chair turntable 25, and the outer ring is mounted on the transmission bearing seat 24; The short rod 11 and the shoulder fixing device are connected by pressing and fixing the hand wheel 13, which can play the role of transmitting torque; the retaining ring 22 is fixed on the transmission bearing seat 24, and plays a role in the second deep groove ball bearing 19-2. The function of axial limit; the chair base 17 is fixed on the upper surface of the chair turntable 25; the surface of the chair base 17 is provided with 4 mounting holes for adding auxiliary support rods, which is convenient for maintaining the stability of the human body during the training process; The chair back 18 can be rotated relative to the chair base 17, and the handle 26 can adjust the rotation angle of the chair back 18, so as to improve the wearing comfort of the human body during training.

本实施例中，参图1、图2、图5所示，所述肩部固定装置包括L型支撑杆27、U型架28、肩部挡板29、压紧夹30、肩部固定环31、握把32；所述L型支撑杆27下端安装在所述传动轴承座24上；所述U型架28插入所述L型支撑杆27内孔，沿所述L型支撑杆27内孔上下滑动调整位置，适应不同人群的身高，并通过手轮12锁紧的方式固定位置；所述肩部挡板29通过螺钉固定在所述U型架28上，所述肩部挡板29可安装绑带固定人体的相对位置；所述压紧夹可沿所述U型架28前端圆柱面前后滑动以适应不同的人体尺寸，在适当位置通过螺钉压紧固定；所述肩部固定环31安装在所述压紧夹30上且能够相对转动，所述肩部固定环31表面装有孤形高密度海绵33，用于提高人体穿戴舒适性；所述U型架28圆柱面末端装有所述握把32，通过螺钉固定，便于训练过程中人体发力。In this embodiment, as shown in FIG. 1 , FIG. 2 , and FIG. 5 , the shoulder fixing device includes an L-shaped support rod 27 , a U-shaped frame 28 , a shoulder baffle 29 , a pressing clip 30 , and a shoulder fixing ring 31. The handle 32; the lower end of the L-shaped support rod 27 is installed on the transmission bearing seat 24; the U-shaped frame 28 is inserted into the inner hole of the L-shaped support rod 27, The hole slides up and down to adjust the position to adapt to the height of different people, and the position is fixed by locking the handwheel 12; the shoulder baffle 29 is fixed on the U-shaped frame 28 by screws, and the shoulder baffle 29 A strap can be installed to fix the relative position of the human body; the pressing clip can slide along the front and back of the front cylinder of the U-shaped frame 28 to adapt to different human body sizes, and is fixed by pressing screws at an appropriate position; the shoulder fixing ring 31 is installed on the pressing clip 30 and can be rotated relatively. The surface of the shoulder fixing ring 31 is equipped with an isolated high-density sponge 33 to improve the wearing comfort of the human body; There is the handle 32, which is fixed by screws, which is convenient for the human body to exert force during the training process.

本实施例中，参图1、图2、图6所示，所述连接单元包括伸缩壳34、伸缩板35、齿条36、定位器37、定位齿38；所述伸缩壳34后端面与所述支撑柱5表面通过螺钉连接；所述伸缩板35前端面固定在所述轴承座21末端表面，两侧面安装有滑轨，用于减小所述伸缩壳34与所述伸缩板35的摩擦阻力；所述齿条36安装在所述伸缩板35上表面；所述定位器37安装在所述伸缩壳34上，所述定位器37采用弹簧柱塞的原理，其内部装有所述定位齿38，通过人工按下与拔起控制所述定位齿38与所述齿条36的啮合与分离，进而调整连接单元的整体长度。In this embodiment, as shown in FIG. 1 , FIG. 2 , and FIG. 6 , the connecting unit includes a telescopic casing 34 , a telescopic plate 35 , a rack 36 , a positioner 37 , and a positioning tooth 38 ; The surface of the support column 5 is connected by screws; the front end surface of the telescopic plate 35 is fixed on the end surface of the bearing seat 21 , and slide rails are installed on both sides to reduce the distance between the telescopic shell 34 and the telescopic plate 35 . friction resistance; the rack 36 is installed on the upper surface of the telescopic plate 35; the positioner 37 is installed on the telescopic shell 34, the positioner 37 adopts the principle of a spring plunger, and the The positioning teeth 38 are manually pressed and pulled up to control the engagement and separation of the positioning teeth 38 and the racks 36, thereby adjusting the overall length of the connecting unit.

本发明提供一种针对腰部旋转的肌力训练装置，具有如下有益效果：The present invention provides a muscle strength training device for waist rotation, which has the following beneficial effects:

1)该装置控制及结构简单，使用方便，穿戴舒适，扭矩传递稳定，能够准确测量人体肌力参数。1) The device is simple in control and structure, easy to use, comfortable to wear, stable in torque transmission, and can accurately measure human muscle strength parameters.

2)该装置能够调节杆件的相对位置以适应不同人体的尺寸。2) The device can adjust the relative position of the rod to adapt to the size of different human bodies.

上文所列出的一系列的详细说明仅仅是针对本发明的可行性实施方式的具体说明，它们并非用以限制本发明的保护范围，凡未脱离本发明技艺精神所作的等效实施方式或变更均应包含在本发明的保护范围之内。The series of detailed descriptions listed above are only specific descriptions for the feasible embodiments of the present invention, and they are not used to limit the protection scope of the present invention. Changes should all be included within the protection scope of the present invention.

对于本领域技术人员而言，显然本发明不限于上述示范性实施例的细节，而且在不背离本发明的精神或基本特征的情况下，能够以其他的具体形式实现本发明。因此，无论从哪一点来看，均应将实施例看作是示范性的，而且是非限制性的，本发明的范围由所附权利要求而不是上述说明限定，因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and scope of the equivalents of , are included in the present invention.