Joint connecting device

Abstract

The joint connecting device comprises a thigh side supporting rod, a shank side supporting rod, an upper rotating piece, a lower rotating piece and a locking swing arm, the upper rotating piece and the lower rotating piece are coaxially and rotationally connected and are connected with the thigh side supporting rod and the shank side supporting rod respectively, and two outer circular plates are arranged at the left lower end of the upper rotating piece; a rotating notch is formed between the two outer circular plates, an inner circular plate is arranged at the upper left end of the lower rotating piece and rotationally installed in the rotating notch through a rotating pin, an upper limiting part is arranged at the lower right end of the upper rotating piece, and a lower limiting part is arranged at the upper right end of the lower rotating piece and rotationally installed in the rotating notch through a rotating pin. When the thigh side supporting rod and the shank side supporting rod are vertically connected, the bottom end of the upper limiting part and the top end of the lower limiting part abut against each other at the same horizontal position of the rotating pin so as to limit the lower rotating piece to continue to rotate forwards.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical supplies technical field, concretely relates to a joint connecting device. BACKGROUND

[0002] Orthosis is also called support, which is an external device for preventing and correcting deformity, treating bone, joint, nerve and muscle diseases and compensating functions of the limbs or other parts. It can reduce the dysfunction of limbs, spine and skeletal muscle system by limiting or assisting body movement or changing body force line. According to the different application parts, it can be divided into upper limb orthosis, spinal orthosis and lower limb orthosis. The lower limb orthosis is mainly used for fixing the diseased joint, preventing or correcting deformity, compensating for the lost muscle function, improving gait, avoiding limb bearing, promoting fracture healing and early functional recovery.

[0003] At present, most of the orthosis is designed in an integrated manner for stability, and the bending and stretching angle of the knee joint cannot be adjusted. The patient needs to stand when wearing the orthosis, which is inconvenient for the patients with knee injury and causes great physical burden on the patient. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a joint connecting device to solve the above problems.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The utility model relates to a joint connecting device, including the thigh side support, the lower leg side support, the upper rotation piece, the lower rotation piece and the locking swing arm, the upper rotation piece and the lower rotation piece coaxial rotation connection and its respectively connect the thigh side support and the lower leg side support, the left lower end position of upper rotation piece is provided with two outer round board, and the rotation notch is formed between two outer round board, the left upper end of lower rotation piece is provided with the inner round board, the inner round board is rotatably installed in rotation notch through the rotation pin, the right lower end position of upper rotation piece has the upper limiting part, the right upper end of lower rotation piece is provided with the lower limiting part, when the thigh side support and the lower leg side support vertical connection, the bottom end of upper limiting part and the top end of lower limiting part are mutually pressed in the same horizontal position of rotation pin to restrict the lower rotation piece to continue to rotate to the front, the right upper position of rotation notch extends and forms the movable notch, the movable plate is set up on the inner round board, the upper rotation piece is provided with the through -hole of passing through the front and back lateral wall and with movable notch intercommunication, the locking swing arm is provided with the installation mouth of movable sleeve in the upper rotation piece, the right end of locking swing arm is hinged in the right lateral wall of upper rotation piece, and its left end up and down swing is established in the left lateral wall of upper rotation piece, the locking swing arm and the position of installation mouth are provided with the limiting rod of inserting in the through -hole, and the inner diameter of through -hole is greater than the outer diameter size of limiting rod, the right upper corner of movable plate and the right side of limiting rod are provided with the limiting snap, and the upper side inner wall of movable notch is elastically connected with limiting rod through spring piece, when the thigh side support and the lower leg side support vertical connection, the elastic tension of spring piece pushes limiting rod and presses the limiting snap on in through -hole to restrict the lower rotation piece to continue to rotate to the back.

[0007] Preferably, the upper rotation piece and the lower rotation piece are respectively provided with an upper connecting port and a lower connecting port, and the bottom end of the thigh side support and the top end of the lower leg side support are detachably connected in the upper connecting port and the lower connecting port respectively through screws.

[0008] Preferably, the lower rotation piece is provided with a displacement slot on the front and back sides of the inner round plate to accommodate the rotation of the outer round plate.

[0009] Preferably, the lower leg side support is detachably connected with a leg support through bolts.

[0010] Preferably, the leg support comprises a leg wrapping plate, a foot supporting plate and a third adjusting strap, the leg wrapping plate is used for supporting the wrapping on the rear of the lower leg, the foot supporting plate is arranged at the lower end of the leg wrapping plate and used for supporting the foot, and the third adjusting strap is arranged at the front side of the leg wrapping plate and used for fixing the leg wrapping plate on the lower leg.

[0011] Compared with the background art, the utility model has the following advantages after the above technical scheme is adopted:

[0012] The utility model provides a joint connecting device, and the upper rotating part and the lower rotating part cooperate to make the thigh and the calf can be freely bent, the patient can wear while sitting, fixes each correction part at the corresponding part of the body respectively, the upper rotating part and the lower rotating part rotate following the patient standing process after wearing, the locking column on the locking swing arm is clamped into the limiting bayonet, locks the current state, restricts the thigh side support rod and the calf side support rod to continue to rotate, convenient to use, the wearing process is easy and labor saving, improves the comfort of the patient wearing, reduces the patient's physical burden. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the structure schematic diagram of the utility model;

[0014] Fig. 2 It is the upper rotating part and the lower rotating part connection position front view angle partial close -up drawing of the utility model;

[0015] Fig. 3 It is the upper rotating part and the lower rotating part connection position back view angle partial close -up drawing of the utility model;

[0016] Fig. 4 It is the upper rotating part and the lower rotating part connection position front view angle partial close -up drawing of the utility model; DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantage of the utility model more clear and obvious, the utility model is further described in detail below with the drawings and examples.It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0018] In the utility model, it is necessary to explain that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the utility model and simplify the description, and are not used to indicate or imply that the device or element of the utility model must have a specific orientation, so it cannot be understood as a limitation on the utility model.

[0019] EMBODIMENT

[0020] Please refer to Figs. 1 to 4The utility model discloses a joint connecting device, including upper rotating part 1, lower rotating part 2, locking swing arm 3, femoral side support 4 and shank side support 5, upper rotating part 1 and lower rotating part 2 coaxial rotation connection and its respectively connect femoral side support 4 and shank side support 5, the lower end position of upper rotating part 1 is provided with two outer round plates 11, and the rotation notch 12 is formed between two outer round plates 11, and the upper end of lower rotating part 2 is provided with inner round plate 21, and inner round plate 21 is rotatably installed in rotation notch 12 through rotating pin 6, and the lower end position of upper rotating part 1 has upper limiting part 13, and the upper end of lower rotating part 2 is provided with lower limiting part 22, when femoral side support 4 and shank side support 5 are vertically connected, the bottom end of upper limiting part 13 and the top end of lower limiting part 22 are mutually pressed in the same horizontal position of rotating pin 6 to limit lower rotating part 2 to continue rotating forward, and the right upper position of rotation notch 12 extends and forms movable notch 14, and inner round plate 21 is provided with movable plate 23, and upper rotating part 1 is provided with through-hole 15 that passes through the front and back side walls and is communicated with movable notch 14, locking swing arm 3 is provided with the installation port 31 of movable sleeve setting in upper rotating part 1, and the right end of locking swing arm 3 is hinged in the right side wall of upper rotating part 1, and its left end is swinged and arranged in the left side wall of upper rotating part 1, and locking swing arm 3 is provided with limiting rod 7 that is inserted in through-hole 16 and is located in the installation port 31 position, and the inner diameter of through-hole 15 is greater than the outer diameter size of limiting rod 7, and the right upper corner of movable plate 23 and the right side of limiting rod 7 are provided with limiting clamping 24, and the upper side inner wall of movable notch 14 is elastically connected with limiting rod 7 through spring piece (not shown in the drawing), when femoral side support 3 and shank side support 4 are vertically connected, the elastic tension of spring piece pushes limiting rod 7 to press and be clamped on limiting clamping 24 in through-hole 15 to limit lower rotating part 2 to continue rotating backward.

[0021] Upper rotating part 1 and lower rotating part 2 are provided with upper connecting port 16 and lower connecting port 25 respectively, and the bottom end of femoral side support 3 and the top end of shank side support 4 are detachably connected in upper connecting port 16 and lower connecting port 25 through screws respectively.

[0022] Lower rotating part 2 and the front and back sides of inner round plate 21 are provided with a let -out groove respectively to accommodate the rotation of outer round plate 11.

[0023] The leg support 8 includes a leg wrapping plate 81, a foot supporting plate 82, and a third adjusting band 83. The leg wrapping plate 81 is in a semicircular arc shape and supports the back of the lower leg. The foot supporting plate 82 is arranged at the lower end of the leg wrapping plate 81 to support the foot. The third adjusting band 83 is arranged at the front side of the leg wrapping plate to fix the leg wrapping plate on the lower leg.

[0024] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An articulation device, characterized by: The utility model provides a kind of leg support device, including thigh side support, shank side support, upper rotary piece, lower rotary piece and locking swing arm, the upper rotary piece and lower rotary piece coaxial rotation connection and its respectively connect thigh side support and shank side support, the left lower end position of the upper rotary piece is provided with two outer round plates, and rotating notch is formed between two the outer round plates, the left upper end of the lower rotary piece is provided with inner round plate, and the inner round plate is rotationally installed in the rotating notch by rotating pin, the right lower end position of the upper rotary piece has upper limiting part, the right upper end of the lower rotary piece is provided with lower limiting part, when thigh side support and shank side support are vertically connected, the bottom end of the upper limiting part and the top end of the lower limiting part are mutually pressed in the same horizontal position of the rotating pin to limit the lower rotary piece to continue rotating forward, the rotating notch extends to form movable notch in the right upper position, the inner round plate is provided with movable plate, the upper rotary piece is provided with through hole passing through front and back sidewalls and being communicated with the movable notch, the locking swing arm is provided with mounting port movably arranged on the upper rotary piece, the right end of the locking swing arm is hinged to the right sidewall of the upper rotary piece, and its left end is swinged up and down to the left sidewall of the upper rotary piece, the locking swing arm and located mounting port position are provided with limiting rod inserted in the through hole, and the inner diameter of the through hole is greater than the outer diameter size of the limiting rod, the right upper corner of the movable plate and located the right side of the limiting rod is provided with limiting snap, the upper side inner wall of the movable notch is elastically connected with the limiting rod by spring piece, when thigh side support and shank side support are vertically connected, the elastic tension of the spring piece pushes the limiting rod to press and be clamped on the limiting snap in the through hole to limit the lower rotary piece to continue rotating backward.

2. An articulation device according to claim 1, wherein: The upper rotary piece and lower rotary piece are respectively provided with upper connecting port and lower connecting port, and the bottom end of the thigh side support and the top end of the shank side support are detachably connected in the upper connecting port and lower connecting port by screws.

3. A knuckle assembly as claimed in claim 1, wherein: The lower rotary piece is provided with a displacement slot on the front and back sides of the inner round plate to accommodate the outer round plate rotation.

4. A knuckle assembly as claimed in claim 1, wherein: The shank side support is detachably connected with a leg support by bolts.

5. A knuckle assembly as claimed in claim 4, wherein: The leg support includes a leg wrapping plate, a foot support plate and a third adjusting strap, the leg wrapping plate is used for supporting the rear part of the shank, the foot support plate is arranged at the lower end of the leg wrapping plate and used for supporting the foot, and the third adjusting strap is arranged at the front side of the leg wrapping plate and used for fixing the leg wrapping plate on the shank.

Images