一种新型假肢膝关节

Abstract

本公开了涉及假肢技术领域。本公开的一个实施例提供了一种新型假肢膝关节，其包括连接柱、连接架A和连接块，所述连接柱的底部转动连接有转动块，所述转动块与连接架A铰接连接，所述连接架A的底部设置有假脚体，所述连接柱的顶部转动连接有转轴，所述转轴的顶部固定连接有连接架B，所述连接块与连接架B铰接连接，所述连接块的顶部设置有缓冲穿戴机构，本公开中通过设置有缓冲穿戴机构，从而达到了通过穿戴部可以将假肢整体穿戴在使用者膝关节部，而通过滑筒、缓冲块、缓冲弹簧、减震气囊等组件的配合可以减轻使用者在日常使用过程中对膝关节处的冲击，有效的起到了对使用者膝关节处缓冲保护的作用，提高了穿戴时的舒适度。

Claims

1. A novel prosthetic knee joint, characterized in that, include: The connecting column (1), connecting frame A (3) and connecting block (7) are provided. The bottom of the connecting column (1) is rotatably connected to the rotating block (2). The rotating block (2) is hinged to the connecting frame A (3). The bottom of the connecting frame A (3) is provided with a prosthetic foot body (4). The top of the connecting column (1) is rotatably connected to the rotating shaft (5). The top of the rotating shaft (5) is fixedly connected to the connecting frame B (6). The connecting block (7) is hinged to the connecting frame B (6). The top of the connecting block (7) is provided with a cushioning wearing mechanism (8). The cushioning wearing mechanism (8) includes a wearing part (81), a slide cylinder (83) is fixedly connected to the bottom of the wearing part (81), a cushioning spring (84) is provided at the bottom of the slide cylinder (83), a cushioning block (85) is slidably connected to the inside of the slide cylinder (83) through the cushioning spring (84), a limit seat (86) is fixedly connected to the bottom of the inside of the slide cylinder (83), a shock-absorbing airbag (87) is provided inside the limit seat (86), and a rebound-reducing mechanism (9) is provided at the bottom of the cushioning block (85).

2. A new prosthetic knee joint as claimed in claim 1, wherein, The wearable part (81) is made of silicone, and the surface of the wearable part (81) is provided with ventilation holes (82).

3. A new prosthetic knee joint as claimed in claim 2, wherein, The buffer block (85) is cylindrical in shape, and a rubber pad (88) is provided on the top of the buffer block (85).

4. A new prosthetic knee joint as claimed in claim 3, characterized in that, The number of the buffer springs (84) is set to five sets, and the five sets of buffer springs (84) are arranged in a circular array at the bottom of the inside of the slide (83).

5. A new prosthetic knee joint as claimed in claim 4, characterized in that, The top of the shock-absorbing airbag (87) initially abuts against the bottom of the buffer block (85), and the inner wall of the limiting seat (86) contacts the surface of the shock-absorbing airbag (87).

6. A new prosthetic knee joint as claimed in claim 5, characterized in that, The rebound reduction mechanism (9) includes a fixed column (91) and an opening groove (95). The bottom of the fixed column (91) is fixedly connected to the bottom of the inner side of the slide cylinder (83). A groove (92) is provided on the side of the fixed column (91). A telescopic spring (93) is provided inside the groove (92). An arc-shaped block (94) is slidably connected inside the groove (92) through the telescopic spring (93). The opening groove (95) is opened at the bottom of the buffer block (85). A deceleration block (96) is fixedly connected to the inner side wall of the opening groove (95).

7. A new prosthetic knee joint as claimed in claim 6, characterized in that, The opening groove (95) is larger than the size of the fixed column (91), and the top of the fixed column (91) is initially located inside the opening groove (95).

8. A new prosthetic knee joint as claimed in claim 7, characterized in that, The arc surface of the arc block (94) faces upward, and the depth of the groove (92) is greater than the length of the arc block (94).

9. A new prosthetic knee joint as claimed in claim 8, characterized in that, The end of the arc-shaped block (94) away from the telescopic spring (93) is close to the deceleration block (96).

10. A new prosthetic knee joint as claimed in claim 9, wherein, The deceleration block (96) is semi-cylindrical in shape and is made of rubber.

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