阅读说明：本技术 一种下肢康复训练床脚板翻转机构 (Turnover mechanism for lower limb rehabilitation training bed foot plate ) 是由 黄晓东 邓盛深 韦海燕 于 2021-08-30 设计创作，主要内容包括：本专利涉及康复医疗设备领域,特别涉及一种下肢康复训练床脚板翻转机构,其至少包括底座、翻转杆、弹簧压块、滑钉1、滑钉2、拉簧、拉簧铰接钉、滑钉支撑杆。翻转杆下端通过铰接钉与底座转动连接,上端接有拉簧铰接钉；翻转杆内有椭圆滑槽,滑钉1在槽内往复移动；弹簧压块安装在翻转杆上,限制滑钉1移动；拉簧上端与拉簧铰接钉连接,下端与滑钉1连接；滑钉支撑杆一端通过滑钉2固定在底座上,另一端通过滑钉1固定在翻转杆上。针对踏轮运动与下肢负重训练脚板的相互转换问题,利用踏轮底座与翻转架的夹角α范围,根据杆件的运动原理和三角函数原理,建立关系式,使滑钉在滑槽上滑动,实现脚板90°到360°的翻转。(The utility model relates to a recovered medical equipment field, in particular to lower limbs rehabilitation training footboard tilting mechanism, it includes base, upset pole, spring briquetting, smooth nail 1, smooth nail 2, extension spring hinge joint nail, smooth nail bracing piece at least. The lower end of the turnover rod is rotatably connected with the base through a hinge pin, and the upper end of the turnover rod is connected with a tension spring hinge pin; an oval sliding groove is formed in the turnover rod, and the sliding nail 1 moves in the groove in a reciprocating manner; the spring pressing block is arranged on the turnover rod and used for limiting the sliding nail 1 to move; the upper end of the tension spring is connected with the tension spring hinge pin, and the lower end of the tension spring is connected with the slide pin 1; one end of the sliding nail supporting rod is fixed on the base through a sliding nail 2, and the other end of the sliding nail supporting rod is fixed on the turnover rod through a sliding nail 1. Aiming at the problem of interconversion between the movement of the pedal wheel and a lower limb load training pedal, a relational expression is established by utilizing the range of an included angle alpha between a pedal wheel base and a roll-over stand according to the movement principle and the trigonometric function principle of a rod piece, so that a slide pin slides on a sliding groove, and the pedal is turned over for 90-360 degrees.)

具体实施方式

本专利提供一种下肢康复训练床脚板翻转机构，至少包括底座(1)、翻转杆(2)、弹簧压块(3)、回位弹簧(4)、滑钉1(5)、滑钉2(6)、拉簧(7)、拉簧铰接钉(8)、滑钉支撑杆(9)、竖杆(10)：

所述翻转杆(2)下端通过铰接钉与底座(1)转动连接，上端接有拉簧铰接钉(8)；所述翻转杆(2)内有椭圆状槽，滑钉1(5)在槽内往复移动；所述带有回位弹簧(4)的弹簧压块(3)安装在翻转杆(2)上，限制滑钉1(5)移动；所述拉簧(7)上端与拉簧铰接钉 (8)连接，下端与滑钉1(5)连接；所述滑钉支撑杆(9)一端通过滑钉2(6)固定在底座 (1)上，另一端通过滑钉1(5)固定在翻转杆(2)上；所述竖杆(10)固定在翻转杆上，承载脚平板架。

所述翻转杆(2)与底座(1)的夹角α，夹角的计算公式为l²＝m²+n²-2mn cosα，式中1为滑钉支撑杆(9)的长度，m为滑钉1(5)到底座(1)铰接处的距离，n为滑钉2 (6)到底座(1)铰接处的距离，翻转杆(2)与底座(1)的夹角α的变化范围为90°～360°；所述滑钉1(5)在滑槽上的行程S，行程S的计算公式为S＝m_max-m_min，滑钉1(5)在滑槽的行程S变化范围为0～150mm。