A kind of knee support includes a support unit, a gasket unit and plural safety buckle group. The support unit includes two between the upper and lower every setting and the support plate made of carbon fiber, two are extended respectively by wherein one end of the support plates such as this and the mutually first connecting portion that is articulated and two second connecting portions that are extended respectively by the other end of the support plates such as this and be mutually articulated. The gasket unit include two be respectively set what this etc. back cushion on the inside of support plates, each back cushion there is a spongy layer for attaching the corresponding support plate and one attach the silica gel layer of the spongy layer. The safety buckles group such as this be respectively set what this etc. support plates two sides, each safety buckle group includes a pin thread and the female thread that can be interlockingly connected with the pin thread. The utility model reaches the effect of mitigating weight and enhancing fixed effect by the carbon fibre materials of the support plates such as this and the silica gel layer of the equal back cushions.一種膝支架，包含一支撐單元、一墊片單元及複數安全扣組。該支撐單元包括二上下間隔設置並由碳纖維製成的支撐板、二分別由該等支撐板的其中一端延伸並互相樞接的第一連接部，及二分別由該等支撐板的另一端延伸且互相樞接的第二連接部。該墊片單元包括二分別設置於該等支撐板內側的靠墊，每一靠墊具有一貼附該相對應之支撐板的海綿層及一貼附該海綿層的矽膠層。該等安全扣組分別設置於該等支撐板的兩側，每一安全扣組包括一公扣及一可與該公扣相扣接的母扣。本新型藉由該等支撐板的碳纖維材質及該等靠墊的矽膠層，達到減輕重量及增強固定效果的功效。
