技术领域technical field
本发明涉及一种辅助康复装置，特别是关于一种膝关节柔性辅助康复装置。The invention relates to an auxiliary rehabilitation device, in particular to a knee joint flexible auxiliary rehabilitation device.
背景技术Background technique
针对膝关节的辅助康复装置，一般可以分为穿戴式和非穿戴式。穿戴式辅助康复装置是指穿戴于人体大小腿外的器具，其将关节的伸展和屈曲限制在合适的角度范围内，或者将膝关节维持在某一角度，以促进膝关节功能早期得到康复。目前穿戴式的辅助康复装置结构比较简单，一般起支撑、稳定患者受损膝关节的作用，使用起来也相对简单。非穿戴式的辅助康复装置相比于穿戴式的功能要强大一些，它可以增加患者肌力和膝关节的灵活性以及改善患者对肌肉的控制能力，但是该类装置比较庞大，一般集中在康复医疗中心，所以患者只能到康复中心进行康复，这对有行动障碍的患者来说也是非常不便的。另外，国外也有一部分可穿戴式的动力膝关节辅助康复装置，它可以主动提供助力给膝关节，但是其动力传动结构比较复杂，电池能耗较大，价格贵，尤其是重量大，所以其并不适用于患者长期穿戴。Auxiliary rehabilitation devices for the knee joint can generally be divided into wearable and non-wearable. Wearable auxiliary rehabilitation devices refer to devices worn outside the legs of the human body, which limit the extension and flexion of the joints within a suitable angle range, or maintain the knee joints at a certain angle, so as to promote early recovery of knee joint function. At present, wearable auxiliary rehabilitation devices have a relatively simple structure, generally support and stabilize the patient's damaged knee joint, and are relatively simple to use. Non-wearable auxiliary rehabilitation devices are more powerful than wearable ones. They can increase the patient's muscle strength and knee joint flexibility and improve the patient's ability to control muscles. However, such devices are relatively large and generally focus on rehabilitation. Medical center, so patients can only go to the rehabilitation center for rehabilitation, which is also very inconvenient for patients with mobility impairments. In addition, there are also some wearable powered knee joint rehabilitation devices in foreign countries, which can actively provide assistance to the knee joint, but its power transmission structure is relatively complicated, the battery consumes a lot of energy, is expensive, and especially heavy, so it does not Not suitable for long-term wear by patients.
近年来，基于生物学和生理学方面的研究表明，筋腱组织等柔性储能机构对人体行走的稳定性和能量效率具有极为重要的作用。而现有的装置都是刚性的驱动关节转动，而不能像人的膝关节那样具有柔性。柔性的关节在运动过程中，交替地进行储存能量与释放能量，以将动能、重力势能和弹性势能进行转换，这样不但提高了人行走时能量的利用效率，还改善了对行走环境的适应性，因此膝关节的康复装置在驱动关节转动时应该是具有柔性的。综上所述，亟需一种穿戴轻巧、方便且能提供柔性的膝关节辅助康复装置。In recent years, studies based on biology and physiology have shown that flexible energy storage mechanisms such as tendon tissue play an extremely important role in the stability and energy efficiency of human walking. And existing device all is rigid drive joint to rotate, and can not have flexibility like people's knee joint. During the movement, the flexible joints store and release energy alternately to convert kinetic energy, gravitational potential energy and elastic potential energy, which not only improves the energy utilization efficiency of people walking, but also improves the adaptability to the walking environment , so the rehabilitation device of the knee joint should be flexible when driving the joint to rotate. To sum up, there is an urgent need for an auxiliary knee rehabilitation device that is light, convenient and flexible to wear.
发明内容Contents of the invention
针对上述问题，本发明的目的是提供一种穿戴轻巧、方便且能提供柔性的膝关节柔性辅助康复装置。In view of the above-mentioned problems, the object of the present invention is to provide a knee joint flexible auxiliary rehabilitation device which is lightweight, convenient and flexible.
为实现上述目的，本发明采取以下技术方案：一种膝关节柔性辅助康复装置，其特征在于：它包括一用于固定大、小腿的大、小腿连接机构，活动范围调节机构和柔性控制机构；所述活动范围调节机构包括一第一内壳和一第一外壳，所述第一内壳通过一第一连接杆与所述大腿连接机构的右侧固定连接成一体，所述第一内壳的中心设置有一花键，所述花键的另一端连接一摆动轮，所述摆动轮上对称设置有一对凸出的摆动杆；所述第一外壳通过一第二连接杆与所述小腿连接机构的右侧固定连接；所述第一外壳为一外侧端面封闭的内齿圈，所述第一外壳周向对称设置有一对向第一内壳方向伸出的凸缘，在两所述凸缘之间与两所述摆动杆交错设置有一对限位按钮，两所述限位按钮的下部分别固定连接一与所述内齿圈配合的扇形齿轮；两所述限位按钮的上部分别固定连接一跨越所述第一外壳的指针；在所述第一外壳的中心设置有一固定两所述指针的封盖，所述封盖固定两所述指针；在所述第一外壳的外侧端面上设置有角度刻度盘，所述指针的中部设置有一通孔，通过所述通孔查看所述角度刻度盘上的刻度；在所述摆动轮的外面设置一弹簧圈，所述弹簧圈的外径顶在两所述限位按钮的底部；所述第一内壳的内壁上设置有若干定位所述弹簧圈的定位突起；所述柔性控制机构包括一第二外壳和一第二内壳，所述第二内壳通过一第三连接杆与所述小腿连接机构的左侧固定连接；所述第二外壳通过一第四连接杆与所述大腿连接机构的左侧固定连接，所述第二外壳中心设置有一长通孔；所述长通孔沿长度方向的两侧壁上对称设置有若干限位豁口，所述长通孔内插入一转轴，所述转轴上对称设置有与所述限位豁口相配合的两限位块，所述转轴外侧固定连接一按钮，所述转轴内侧夹设有一片弹簧，所述片弹簧两端固定在所述第二内壳内壁上。In order to achieve the above object, the present invention adopts the following technical solutions: a knee joint flexible auxiliary rehabilitation device, which is characterized in that: it includes a large and small leg connecting mechanism for fixing the large and small legs, a range of motion adjustment mechanism and a flexible control mechanism; The range of motion adjustment mechanism includes a first inner shell and a first outer shell, the first inner shell is fixedly connected with the right side of the thigh link mechanism through a first connecting rod, and the first inner shell A spline is arranged in the center of the spline, and the other end of the spline is connected to a swing wheel, and a pair of protruding swing rods are symmetrically arranged on the swing wheel; the first shell is connected to the lower leg through a second connecting rod The right side of the mechanism is fixedly connected; the first outer shell is an inner ring gear with a closed outer end face, and the first outer shell is circumferentially symmetrically provided with a pair of flanges protruding toward the first inner shell. A pair of limit buttons are interlaced with the two swing rods between the edges, and the lower parts of the two limit buttons are respectively fixedly connected with a sector gear matched with the inner ring gear; the upper parts of the two limit buttons are fixed respectively. Connect a pointer spanning the first shell; a cover for fixing two pointers is arranged in the center of the first shell, and the cover fixes two pointers; on the outer end surface of the first shell An angle dial is arranged, and a through hole is arranged in the middle of the pointer, and the scale on the angle dial is viewed through the through hole; a spring ring is arranged outside the swing wheel, and the outer diameter of the spring ring The bottom of the two limit buttons; the inner wall of the first inner shell is provided with a number of positioning protrusions for positioning the spring ring; the flexible control mechanism includes a second outer shell and a second inner shell, so The second inner shell is fixedly connected to the left side of the shank connecting mechanism through a third connecting rod; the second outer shell is fixedly connected to the left side of the thigh connecting mechanism through a fourth connecting rod, and the second There is a long through hole in the center of the shell; a number of limit gaps are symmetrically arranged on the two side walls of the long through hole along the length direction, and a rotating shaft is inserted into the long through hole, and a rotating shaft is symmetrically arranged on the rotating shaft. The outer side of the rotating shaft is fixedly connected with a button, the inner side of the rotating shaft is clamped with a piece of spring, and the two ends of the leaf spring are fixed on the inner wall of the second inner shell.
所述大腿连接机构包括一大腿支撑腔，所述大腿支撑腔内壁上附着一第一防滑套，所述大腿支撑腔上设置一竖向的第一开口，横跨所述第一开口设置有至少一个第一锁紧扣，所述大腿支撑腔的外壁两侧分别设置有所述第一连接杆和所述第二连接杆。The thigh connection mechanism includes a thigh support cavity, a first anti-slip sleeve is attached to the inner wall of the thigh support cavity, a vertical first opening is set on the thigh support cavity, and at least A first locking buckle, the first connecting rod and the second connecting rod are respectively arranged on both sides of the outer wall of the thigh support cavity.
所述小腿连接机构包括一小腿支撑腔，所述小腿支撑腔内壁上附着一第二防滑套，所述小腿支撑腔上设置一竖向的第二开口，横跨所述第二开口设置有至少一个第二锁紧扣，所述小腿支撑腔的外壁两侧分别设置有所述第三连接杆和所述第四连接杆。The shank connection mechanism includes a shank support cavity, a second anti-slip sleeve is attached to the inner wall of the shank support cavity, a vertical second opening is set on the shank support cavity, and at least A second locking buckle, the third connecting rod and the fourth connecting rod are respectively arranged on both sides of the outer wall of the calf support cavity.
所述大、小腿支撑腔是采用三维扫描设备分别沿大、小腿安装部位进行多次环形扫描，然后输入到电脑中，建立大、小腿表面的三维模型，最终生成与人体肌肉轮廓完整贴合实体。The supporting cavity of the large leg and the calf adopts three-dimensional scanning equipment to carry out multiple circular scans along the mounting parts of the large leg and the calf, and then input it into the computer to establish a three-dimensional model of the surface of the large leg and the calf, and finally generate an entity that completely fits the contour of the human muscle .
所述第一、第二防滑套采用线性高分子聚合物制作。The first and second anti-slip sleeves are made of linear polymers.
所述第一、第二防滑套采用聚乙烯醇薄膜制作。The first and second anti-slip sleeves are made of polyvinyl alcohol film.
本发明由于采用以上技术方案，其具有以下优点：1、本发明由于设置了一柔性控制机构，通过按钮来改变转轴与片弹簧之间夹持位置和夹持深度，进而调节大腿和小腿之间的转动柔性，并提供被动助力，因此，本发明可以适应于不同伤病的患者在不同的康复治疗时期的不同需求。2、本发明由于设置了一活动范围调节机构，通过按压其上的限位按钮，可以使扇形齿轮与内齿圈脱离啮合，以改变摆动轮的活动范围，从而改变大腿连接机构相对于小腿连接机构的转动限制角度范围，因此，本发明不仅可以适应于不同伤病的患者在不同的康复治疗时期的不同需求，而且限位按钮的调节非常的简单方便。3、本发明由于采用三维数字化技术来制作大、小腿支撑腔，三维扫描设备沿大、小腿安装部位进行多次环形扫描，然后建立大、小腿表面的三维模型，因此，本发明能够很好的与人体肌肉轮廓完整贴合，使患者穿戴起来更舒适。4、本发明由于在大、小腿连接机构分别设置了一层防滑套，它采用聚乙烯醇薄膜制作，利用了其高弹特性、柔软性和轻便性的特点，因此，它不但能减少患者肢体与大、小腿支撑腔之间的相对滑动，而且还能使患者穿戴起来轻巧、舒适和方便。5、本发明在设计时，将活动范围调节机构和柔性控制机构都与患者膝关节的转动轴线共线，因此，本发明根据人体的生理结构来调节膝关节柔性和膝关节活动范围，从而保证膝关节在康复过程中的舒适度和安全性。本发明可以广泛应用于膝关节康复的研究，服务于医疗康复事业。Because the present invention adopts the above technical scheme, it has the following advantages: 1. Since the present invention is provided with a flexible control mechanism, the clamping position and clamping depth between the rotating shaft and the leaf spring can be changed through the button, and then the gap between the thigh and the calf can be adjusted. Rotational flexibility, and provide passive assistance, therefore, the present invention can adapt to the different needs of patients with different injuries in different periods of rehabilitation. 2. Since the present invention is provided with a range of motion adjustment mechanism, by pressing the limit button on it, the sector gear can be disengaged from the inner ring gear to change the range of motion of the swing wheel, thereby changing the connection between the thigh connection mechanism and the shank. The rotation of the mechanism limits the range of angles. Therefore, the present invention can not only adapt to the different needs of patients with different injuries and diseases in different rehabilitation periods, but also the adjustment of the limit button is very simple and convenient. 3. Since the present invention adopts three-dimensional digitization technology to make the support chambers of the large and small legs, the three-dimensional scanning equipment performs multiple circular scans along the installation parts of the large and small legs, and then establishes a three-dimensional model of the surface of the large and small legs. Therefore, the present invention can be well It fits perfectly with the contours of human muscles, making it more comfortable for patients to wear. 4. In the present invention, a layer of non-slip sleeves are respectively provided on the connecting mechanism of the large and small legs. It is made of polyvinyl alcohol film and utilizes its high elasticity, softness and lightness. Therefore, it can not only reduce the patient's limb The relative sliding between the large and small leg support cavity can also make it light, comfortable and convenient for the patient to wear. 5. When the present invention is designed, both the range of motion adjustment mechanism and the flexible control mechanism are in line with the rotation axis of the patient's knee joint. Therefore, the present invention adjusts the flexibility of the knee joint and the range of motion of the knee joint according to the physiological structure of the human body, thereby ensuring Knee comfort and safety during rehabilitation. The invention can be widely used in the research of knee joint rehabilitation and serves the cause of medical rehabilitation.
附图说明Description of drawings
图1是本发明整体结构示意图Fig. 1 is a schematic diagram of the overall structure of the present invention
图2是本发明活动范围调节机构的剖视图Fig. 2 is a cross-sectional view of the range of motion adjustment mechanism of the present invention
图3是本发明限位按钮的结构示意图Fig. 3 is a structural schematic diagram of the limit button of the present invention
图4是本发明活动范围调节机构的三维立体图Fig. 4 is a three-dimensional perspective view of the range of motion adjustment mechanism of the present invention
图5是本发明柔性控制机构的剖视图Fig. 5 is a sectional view of the flexible control mechanism of the present invention
图6是本发明柔性控制机构的组装图Fig. 6 is an assembly diagram of the flexible control mechanism of the present invention
图7是本发明整体结构的左视图Fig. 7 is a left view of the overall structure of the present invention
具体实施方式Detailed ways
下面结合附图和实施例对本发明进行详细的描述。The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
如图1所示，本发明包括大腿连接机构10、活动范围调节机构20、柔性控制机构40和小腿连接机构50，在设计时，须将活动范围调节机构20和柔性控制机构40与患者膝关节的转动轴线共线。As shown in Figure 1, the present invention comprises thigh connection mechanism 10, range of motion adjustment mechanism 20, flexible control mechanism 40 and shank connection mechanism 50, when designing, the range of motion adjustment mechanism 20 and flexible control mechanism 40 must be connected with the patient's knee joint axes of rotation are collinear.
本发明的大腿连接机构10包括一大腿支撑腔11，大腿支撑腔11内壁上附着一防滑套12，大腿支撑腔11上设置一竖向的开口13，横跨开口13设置有至少一个锁紧扣14，锁紧扣14用于调节松紧和固定防滑套12。大腿支撑腔11的外壁两侧分别设置有一连接杆15、16。The thigh connection mechanism 10 of the present invention includes a thigh support cavity 11, an anti-slip sleeve 12 is attached to the inner wall of the thigh support cavity 11, a vertical opening 13 is arranged on the thigh support cavity 11, and at least one locking buckle is arranged across the opening 13 14. The locking buckle 14 is used for adjusting the tightness and fixing the anti-slip sleeve 12. Two connecting rods 15 and 16 are arranged on both sides of the outer wall of the thigh support cavity 11 respectively.
如图1、图2所示，本发明的活动范围调节机构20包括一内壳21和一外壳22，内壳21与右侧的连接杆16下端固定连接成一体，内壳21的中心设置有一花键槽，花键槽内插设有一花键的一端，花键的另一端连接一摆动轮23，摆动轮23上对称设置有一对凸出的摆动杆24。As shown in Figures 1 and 2, the range of motion adjustment mechanism 20 of the present invention includes an inner shell 21 and an outer shell 22, the inner shell 21 is fixedly connected with the lower end of the connecting rod 16 on the right as a whole, and the center of the inner shell 21 is provided with a Spline groove, one end of a spline is inserted in the spline groove, the other end of the spline is connected to a swing wheel 23, and a pair of protruding swing rods 24 are symmetrically arranged on the swing wheel 23.
如图2～4所示，外壳22为一外侧端面封闭的内齿圈25，外壳22周向对称设置有一对向内壳21方向伸出的凸缘26，在两凸缘26之间与两摆动杆24交错设置有一对限位按钮27，两限位按钮27的下部分别固定连接一与内齿圈25配合的扇形齿轮28。两限位按钮27的上部分别固定连接一跨越外壳22的指针29。在外壳22的中心设置有一螺孔，在螺孔内拧入一封盖30，封盖30的拧入可以将两指针29的位置固定，在外壳22的外侧端面上设置有角度刻度盘（图中未示出），指针29的中部设置有一通孔31，通过通孔31可以看到角度刻度盘上的刻度。在摆动轮23的外面设置一弹簧圈32，弹簧圈32的外径顶在两限位按钮27的底部，以保持扇形齿轮28与内齿圈25的啮合，为了定位弹簧圈32，在内壳21的内壁上设置了若干定位突起33。当向摆动轮23中心压限位按钮27时，可以使扇形齿轮28与内齿圈25脱离啮合，以改变大腿连接机构10相对于小腿连接机构50的转动限制角度范围；当松开限位按钮27时，则弹簧圈32会推动限位按钮27复位，继续与内齿圈25啮合。As shown in Figures 2 to 4, the outer casing 22 is an inner ring gear 25 with a closed outer end face. The outer casing 22 is circumferentially symmetrically provided with a pair of flanges 26 protruding toward the inner casing 21. Between the two flanges 26 and the two The swing rod 24 is provided with a pair of limit buttons 27 alternately, and the lower parts of the two limit buttons 27 are respectively fixedly connected with a sector gear 28 matched with the ring gear 25 . The upper parts of the two limit buttons 27 are respectively fixedly connected with a pointer 29 straddling the housing 22 . A screw hole is provided at the center of the shell 22, and a cover 30 is screwed into the screw hole. The screwing of the cover 30 can fix the positions of the two pointers 29, and an angle dial is arranged on the outer end surface of the shell 22 (Fig. (not shown), the middle part of the pointer 29 is provided with a through hole 31, through which the scale on the angle dial can be seen. A spring ring 32 is arranged outside the swing wheel 23, and the outer diameter of the spring ring 32 is pushed against the bottom of the two limit buttons 27 to keep the engagement of the sector gear 28 and the ring gear 25. In order to position the spring ring 32, the inner shell Several positioning protrusions 33 are arranged on the inner wall of 21 . When the limit button 27 is pressed to the center of the swing wheel 23, the sector gear 28 can be disengaged from the ring gear 25 to change the rotation limit angle range of the thigh connection mechanism 10 relative to the shank connection mechanism 50; 27 o'clock, the spring ring 32 will push the limit button 27 to reset and continue to mesh with the ring gear 25.
如图5～7所示，本发明的柔性控制机构40也包括一外壳41和一内壳42，外壳41与大腿连接机构11的左侧的连接杆15下端固定连接，外壳41中心设置有一长通孔43；长通孔43沿长度方向的两侧壁上对称设置有若干限位豁口44，长通孔43内插入一转轴45，转轴45上对称设置有与限位豁口44相配合的两限位块46，转轴45外侧固定连接一按钮47，转轴45内侧夹设有一片弹簧48，片弹簧48底端固定在内壳42内壁上。通过按钮47的按压，可以调节转轴45与片弹簧48之间的夹持深度，进而调节大腿和小腿之间的转动柔性。As shown in Figures 5 to 7, the flexible control mechanism 40 of the present invention also includes an outer shell 41 and an inner shell 42, the outer shell 41 is fixedly connected to the lower end of the connecting rod 15 on the left side of the thigh connecting mechanism 11, and the center of the outer shell 41 is provided with a long Through hole 43; The long through hole 43 is symmetrically provided with some limit gaps 44 along the two side walls of the length direction, and a rotating shaft 45 is inserted in the long through hole 43, and the rotating shaft 45 is symmetrically provided with two matching with the limit gap 44. The limiting block 46 is fixedly connected with a button 47 outside the rotating shaft 45 , and a piece of spring 48 is clamped inside the rotating shaft 45 , and the bottom end of the leaf spring 48 is fixed on the inner wall of the inner casing 42 . By pressing the button 47, the clamping depth between the rotating shaft 45 and the leaf spring 48 can be adjusted, thereby adjusting the rotational flexibility between the thigh and the lower leg.
如图1所示，本发明的小腿连接机构50包括一小腿支撑腔51，小腿支撑腔51内壁上附着有一防滑套52，小腿支撑腔51上设置一开口53；横跨开口53设置至少一个锁紧扣54，锁紧扣54用于调节和固定防滑套52。小腿支撑腔51的外壁两侧分别设置有一连接杆55、56。左侧的连接杆55固定连接柔性控制机构40的内壳42，右侧的连接杆56固定连接活动范围调节机构20的外壳22。As shown in Figure 1, the shank connecting mechanism 50 of the present invention includes a shank supporting cavity 51, an anti-slip sleeve 52 is attached to the inner wall of the shank supporting cavity 51, an opening 53 is set on the shank supporting cavity 51; at least one lock is arranged across the opening 53 The fastening buckle 54 and the locking buckle 54 are used for adjusting and fixing the anti-slip sleeve 52 . Two connecting rods 55 and 56 are arranged on both sides of the outer wall of the calf support cavity 51 respectively. The connecting rod 55 on the left is fixedly connected to the inner shell 42 of the flexible control mechanism 40 , and the connecting rod 56 on the right is fixedly connected to the outer shell 22 of the movable range adjusting mechanism 20 .
上述实施例中，大、小腿支撑腔11、51，是采用现有的三维扫描设备，沿大、小腿安装部位进行多次环形扫描，然后输入到电脑中，建立大、小腿表面的三维模型，最终生成与人体肌肉轮廓完整贴合实体。In the above-mentioned embodiment, the supporting cavities 11 and 51 of the large and small legs adopt the existing three-dimensional scanning equipment to perform multiple circular scans along the installation parts of the large and small legs, and then input them into the computer to establish a three-dimensional model of the surface of the large and small legs. In the end, an entity that completely fits the human muscle contour is generated.
上述实施例中，防滑套12、52采用线性高分子聚合物，尤其是聚乙烯醇薄膜（PVA）制作。In the above embodiments, the anti-slip sleeves 12, 52 are made of linear high molecular polymer, especially polyvinyl alcohol film (PVA).
利用本发明进行膝关节康复时，包括以下步骤：When utilizing the present invention to carry out knee joint rehabilitation, comprise the following steps:
1）调节两限位按钮27调节膝关节活动范围的起始位和终止位1) Adjust the two limit buttons 27 to adjust the start position and end position of the knee joint range of motion
两限位按钮27分别用于调节膝关节活动范围的起始位和终止位。当按下其中一限位按钮27时，使与其连接在一起的扇形齿轮28脱离内齿圈25，转动该限位按钮27，通过该限位按钮27上的通孔31查看外壳22上的角度表盘，从而读出当前所在位置的角度值。当松开该限位按钮27时，被压缩的与该限位按钮27连接的扇形齿轮28复位，从而与内齿圈25重新啮合，从而设定好起始位或终止位。The two limit buttons 27 are respectively used to adjust the starting position and the ending position of the range of motion of the knee joint. When one of the limit buttons 27 is pressed, the sector gear 28 connected with it is separated from the ring gear 25, the limit button 27 is rotated, and the angle on the casing 22 is checked through the through hole 31 on the limit button 27 Dial, so as to read the angle value of the current position. When the limit button 27 is released, the compressed sector gear 28 connected to the limit button 27 resets, thereby re-engaging with the ring gear 25, thereby setting the initial position or the end position.
当通过两限位按钮27设置好膝关节活动范围的起始位和终止位后，摆动轮23就在设定的范围内摆动，实现膝关节在设定的范围内活动。当两限位按钮27设定值相同时，实现膝关节角度固定在设定值上。After the initial position and the end position of the range of motion of the knee joint are set by the two limit buttons 27, the swing wheel 23 will swing within the set range to realize the movement of the knee joint within the set range. When the setting values of the two limit buttons 27 are the same, the knee joint angle is fixed on the setting value.
2）调节按钮47调节膝关节活动时的柔性2) Adjust button 47 to adjust the flexibility of the knee joint
按钮47用于调节膝关节活动时的柔性。当按钮47处于垂直位置时，可以在外壳41的长通孔43内自由滑动，从而改变了在片弹簧48上的夹持位置和夹持的有效深度，实现膝关节柔性的调整。当按钮47处于水平位置并按下时，转轴45上的限位块46正好卡在长通孔43上的限位豁口44内，从而实现将按钮47锁紧。The button 47 is used to adjust the flexibility of the knee joint. When the button 47 is in the vertical position, it can slide freely in the long through hole 43 of the shell 41, thereby changing the clamping position and effective depth of clamping on the leaf spring 48, and realizing the adjustment of the flexibility of the knee joint. When the button 47 is in the horizontal position and pressed, the limiting block 46 on the rotating shaft 45 is just stuck in the limiting notch 44 on the long through hole 43, thereby realizing locking the button 47.
本发明仅以上述实施例进行说明，各部件的结构、设置位置、及其连接都是可以有所变化的，在本发明技术方案的基础上，凡根据本发明原理对个别部件进行的改进和等同变换，均不应排除在本发明的保护范围之外。The present invention is only described with the above-mentioned embodiments, and the structure, setting position, and connection of each component can be changed. On the basis of the technical solution of the present invention, all improvements and improvements made to individual components according to the principle of the present invention Equivalent transformations shall not be excluded from the protection scope of the present invention.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310032825.7ACN103099719B (en) | 2013-01-29 | 2013-01-29 | Knee joint flexibility auxiliary recovery device |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310032825.7ACN103099719B (en) | 2013-01-29 | 2013-01-29 | Knee joint flexibility auxiliary recovery device |
| Publication Number | Publication Date |
|---|---|
| CN103099719A CN103099719A (en) | 2013-05-15 |
| CN103099719Btrue CN103099719B (en) | 2014-08-06 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310032825.7AActiveCN103099719B (en) | 2013-01-29 | 2013-01-29 | Knee joint flexibility auxiliary recovery device |
| Country | Link |
|---|---|
| CN (1) | CN103099719B (en) |
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