CN210472552U

CN210472552U - Knee joint movement training device

Info

Publication number: CN210472552U
Application number: CN201822185188.8U
Authority: CN
Inventors: 黄杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-25
Filing date: 2018-12-25
Publication date: 2020-05-08
Anticipated expiration: 2028-12-25

Abstract

The utility model discloses a knee joint movement training device, which comprises a thigh supporting part and a shank supporting part; the thigh supporting part comprises a thigh bracket and a support; the mount includes a first mount leg; an open slot is arranged in the first support leg; a driven shaft is arranged in the groove of the support, a driven gear is arranged at the end part of the driven shaft extending into the first support leg, and the driven gear is meshed with the driving gear; the gear ratio of the driven gear to the driving gear is 4: 1; a first rubber layer with arc bulges is adhered to the inner arc surface of the thigh bracket; the shank support part comprises a shank bracket; a second rubber layer with arc bulges is adhered to the inner arc surface of the shank bracket; the utility model can realize the aim of knee joint activity training through simple and reasonable structural design, and can massage the leg muscles at the same time, thereby avoiding the phenomena of muscle stiffness and numbness caused by fatigue of the leg muscles and improving the exercise effect; the device is not fixedly installed, is convenient to use and has low manufacturing cost.

Description

Knee joint movement training device

Technical Field

The utility model relates to a knee joint activity trainer belongs to body-building apparatus technical field.

Background

The knee joint has medial and lateral collateral ligaments on both sides, anterior and posterior cruciate ligaments in the joint cavity, and two menisci on both sides. The middle meniscus is a special cartilage block that absorbs and relieves the load of the joint and increases the stability of the joint. The joint capsule can secrete joint fluid, lubricate joint bones and surrounding soft tissues and absorb the impact force of the joint. The knee joint is the joint with the largest stress and the most complex structure of the human body, and most of the daily activities or sports are participated by the knee joint, particularly walking, and going up and down stairs is the action which must be completed in modern life. Without the health of the knee joint, the human body activity will be greatly limited.

With the increasing pace of life, middle-aged and elderly people often have the problem of knee joint pain, and the middle-aged and elderly people have rest mainly when the knee joint pain is obvious, so that the load-bearing activities of the knee joint, such as walking, going up and down stairs, squatting and standing, standing for a long time, pedaling a bicycle and the like, are reduced as much as possible, but proper knee joint activity training is also carried out to relieve the problems of joint pain, stiffness and the like;

on the other hand, the existing knee joint activity training equipment can only carry out activity training on the knee joint when in use, and leg muscles are only in a stretching and buckling state all the time in the knee joint activity training process, so that the leg muscles are easy to generate muscle fatigue, and the leg muscles are in a stiff and numb state; the exercise effect is low;

in view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a knee joint activity training device, which can realize the purpose of knee joint activity training through simple and reasonable structural design, and can massage leg muscles at the same time, thereby avoiding the phenomena of muscle stiffness and numbness caused by fatigue of the leg muscles and improving the exercise effect; the device is not fixedly installed, is convenient to use and has low manufacturing cost;

for solving the technical problem, the utility model discloses a following technical scheme: a knee joint movement training device comprises a thigh supporting part and a shank supporting part; the thigh supporting part comprises a thigh bracket and a support; the support is of a cuboid structure with a groove at the bottom;

the upper part of the support is provided with an arc-shaped groove; the support comprises a first support leg and a second support leg; an open slot is formed in the first support leg; the top and one side of the open slot are closed;

a driven shaft is arranged in the groove of the support and is of a cylindrical structure, and two ends of the driven shaft are respectively in rotary connection with the first support leg and the second support leg through first bearings;

the end part of the driven shaft extending into the first support leg is provided with a driven gear which is arranged in the opening groove; the driven gear is meshed with the driving gear; the gear ratio of the driven gear to the driving gear is 4: 1; the driven gear is arranged at one end position of the driving shaft;

the thigh bracket is of an arc-shaped plate-shaped structure, and a first rubber layer is adhered to the inner arc surface of the thigh bracket; the first rubber layer is made of elastic rubber; an arc-shaped bulge is arranged on the surface of the first rubber layer;

the lower leg supporting part comprises a connecting rod and a lower leg bracket; the connecting rod is of a cuboid structure; the number of the connecting rods is two; the shank bracket is of an arc-shaped plate-shaped structure, and the arc shape of the shank bracket is suitable for the size of the shank of a human body; a second rubber layer is adhered to the inner arc surface of the shank bracket; the second rubber layer is made of elastic rubber; the surface of the second rubber layer is provided with an arc-shaped bulge;

furthermore, the first support leg and the second support leg are respectively arranged at two sides of the support groove; a first bearing cover is arranged on the inner side face of the first support leg and tightly presses the first bearing; the first bearing cover is of a step-shaped disc structure with a through hole; a bearing end cover is arranged on the outer side surface of the second support leg; the bearing end cover is of a step-shaped disc structure;

further, the driving shaft penetrates through the outer side wall of the first support leg; the driving shaft is rotatably connected with the outer side wall of the first support leg through a second bearing; the second bearing is pressed tightly through the second bearing cover; the second bearing cover is of a step-shaped disc structure with a through hole;

furthermore, a rocker is fixedly arranged at the other end of the driving shaft and is perpendicular to the driving shaft; the other end of the rocker is fixedly connected with a handle;

further, the handle is perpendicular to the rocker; the handle is of a cone structure; the outer surface of the handle is coated with an elastic rubber layer; the elastic rubber layer is provided with an anti-skid bulge;

furthermore, the thigh bracket is fixedly arranged in an arc-shaped groove of the support; the arc shape of the thigh bracket is suitable for the size of a human thigh;

furthermore, one ends of the two connecting rods are respectively and fixedly connected to the driven shaft through fixed sleeves; the shank bracket is arranged between the two connecting rods;

further, the shank bracket is fixedly connected with the connecting rod through a fixing pin; the number of the fixing pins is eight;

furthermore, a bridle is arranged above the shank bracket; two ends of the bridle are respectively fixed at the middle position of the connecting rod; the middle position of the bridle is provided with a plug buckle; the belt is an elastic textile belt;

the utility model adopts the above technical scheme after, compare with prior art, have following advantage:

the utility model can realize the aim of knee joint activity training through simple and reasonable structural design, and can massage the leg muscles at the same time, thereby avoiding the phenomena of muscle stiffness and numbness caused by fatigue of the leg muscles and improving the exercise effect; the device is not fixedly installed, is convenient to use and has low manufacturing cost;

the present invention will be described in detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a cross-sectional view of the first mount leg;

in the figure, the position of the upper end of the main shaft,

1-thigh support part, 101-thigh bracket, 111-first rubber layer, 102-support, 121-first support leg, 1211-open slot, 122-second support leg, 2-shank support part, 21-connecting rod, 22-shank bracket, 221-second rubber layer, 23-fixed pin, 24-belt, 25-plug buckle, 26-fixed sleeve, 3-driven shaft, 4-driving shaft, 5-first bearing, 6-first bearing cover, 7-bearing end cover, 8-second bearing, 9-second bearing cover, 10-driving gear, 11-driven gear, 12-rocker, 13-handle.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.

Embodiment 1 Knee joint movement training device

As shown in fig. 1-2, the utility model provides a knee joint movement training device, which comprises a thigh supporting part 1 and a shank supporting part 2;

the thigh support 1 comprises a thigh bracket 101 and a support 102; the support 102 is a cuboid structure with a groove at the bottom;

an arc-shaped groove is formed in the upper part of the support 102; the support 102 comprises a first support leg 121 and a second support leg 122; the first support leg 121 and the second support leg 122 are respectively arranged at two sides of the groove of the support 102;

an open slot 1211 is formed in the first support leg 121; the top and one side of the open groove 1211 are closed;

a driven shaft 3 is arranged in the groove of the support 102, the driven shaft 3 is of a cylindrical structure, and two ends of the driven shaft 3 are respectively rotatably connected with the first support leg 121 and the second support leg 122 through a first bearing 5;

a first bearing cover 6 is arranged on the inner side surface of the first support leg 121, and the first bearing cover 6 presses the first bearing 5; the first bearing cover 6 is a step-shaped disc structure with a through hole; the outer side surface of the second support leg 122 is provided with a bearing end cover 7; the bearing end cover 7 is of a step-shaped disc structure;

the end part of the driven shaft 3 extending into the first support leg 121 is provided with a driven gear 11, and the driven gear 11 is arranged in the opening groove 1211; the driven gear 11 is meshed with the driving gear 10; the gear ratio of the driven gear 11 to the driving gear 10 is 4: 1; the driving gear 1 rotates 360 degrees, and the driven gear 11 rotates 90 degrees;

the driven gear 11 is arranged at one end position of the driving shaft 4; the driving shaft 4 penetrates through the outer side wall of the first support leg 121; the driving shaft 4 is rotatably connected with the outer side wall of the first support leg 121 through a second bearing 8; the second bearing 8 is pressed tightly through a second bearing cover 9; the second bearing cover 9 is a step-shaped disc structure with a through hole;

the other end of the driving shaft 4 is fixedly provided with a rocker 12, and the rocker 12 is perpendicular to the driving shaft 4; the other end of the rocker 12 is fixedly connected with a handle 13; the handle 13 is perpendicular to the rocker 12; the handle 13 is in a cone structure; the outer surface of the handle 13 is coated with an elastic rubber layer; the elastic rubber layer is provided with an anti-skid bulge;

the thigh bracket 101 is fixedly arranged in an arc-shaped groove of the support 102; the thigh bracket 101 is of an arc-shaped plate-shaped structure, and the arc shape of the thigh bracket 101 is suitable for the size of a thigh of a human body; a first rubber layer 111 is adhered to the inner arc surface of the thigh bracket 101; the first rubber layer 111 is made of elastic rubber; the surface of the first rubber layer 111 is provided with arc-shaped bulges, so that leg muscles can be massaged, and fatigue of the leg muscles can be prevented;

the lower leg support part 2 comprises a connecting rod 21 and a lower leg bracket 22; the connecting rod 21 is of a cuboid structure; the number of the connecting rods 21 is two; one ends of the two connecting rods 21 are respectively fixedly connected to the driven shaft 3 through fixing sleeves 26;

the shank bracket 22 is arranged between the two connecting rods 21; the shank bracket 22 is fixedly connected with the connecting rod 21 through a fixing pin 23; the number of the fixed 23 pins is eight;

the shank bracket 22 is of an arc-shaped plate-shaped structure, and the arc shape of the shank bracket 22 is suitable for the size of the shank of a human body; a second rubber layer 221 is adhered and lined on the inner arc surface of the lower leg bracket 22; the second rubber layer 221 is made of elastic rubber; the surface of the second rubber layer 221 is provided with arc-shaped bulges, so that leg muscles can be massaged, and fatigue of the leg muscles can be prevented;

a belt 24 is arranged above the lower leg bracket 22; two ends of the strap 24 are respectively fixed at the middle position of the connecting rod 21; the middle position of the bridle 24 is provided with a plug buckle 25; the belt 24 is an elastic textile belt;

when the utility model is used, a user is in a sitting posture and places the device at a proper position; then, the thigh and the calf are respectively placed on the thigh bracket 101 and the calf bracket 22, and the calf is bound by the belt 24; then, the handle 13 is rotated by hand, the driving shaft 4 drives the driven shaft 3 to rotate through the driving gear 10 and the driven gear 11, the driven shaft 3 enables the angle between the shank bracket 22 and the thigh bracket 101 bracket to change through the two connecting rods 21, so that the legs are extended or bent at different angles, and the aim of knee joint activity training is fulfilled;

in the process, the leg muscles are massaged through the arc-shaped bulges on the first rubber layer 111 and the second rubber layer 221, so that the leg muscles are prevented from being fatigued;

the foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.

Claims

1. A knee joint activity trainer which is characterized in that: comprises a thigh supporting part (1) and a shank supporting part (2); the thigh support (1) comprises a thigh carrier (101) and a support (102); the support (102) is of a cuboid structure with a groove at the bottom; the upper part of the support (102) is provided with an arc-shaped groove; the mount (102) comprises a first mount leg (121) and a second mount leg (122); an open slot (1211) is arranged in the first support leg (121); the top and one side of the open groove (1211) are closed; a driven shaft (3) is arranged in a groove of the support (102), the driven shaft (3) is of a cylindrical structure, and two ends of the driven shaft (3) are respectively in rotary connection with a first support leg (121) and a second support leg (122) through a first bearing (5); the end part of the driven shaft (3) extending into the first support leg (121) is provided with a driven gear (11), and the driven gear (11) is arranged in the opening groove (1211); the driven gear (11) is meshed with the driving gear (10); the gear ratio of the driven gear (11) to the driving gear (10) is 4: 1; the driven gear (11) is arranged at one end position of the driving shaft (4); the thigh bracket (101) is of an arc-shaped plate-shaped structure, and a first rubber layer (111) is adhered to the inner arc surface of the thigh bracket (101); the first rubber layer (111) is made of elastic rubber; an arc-shaped bulge is arranged on the surface of the first rubber layer (111); the lower leg support part (2) comprises a connecting rod (21) and a lower leg bracket (22); the connecting rod (21) is of a cuboid structure; the number of the connecting rods (21) is two; the shank bracket (22) is of an arc-shaped plate-shaped structure, and the arc shape of the shank bracket (22) is suitable for the size of the shank of a human body; a second rubber layer (221) is adhered to and lined on the inner arc surface of the shank bracket (22); the material of the second rubber layer (221) is elastic rubber; the surface of the second rubber layer (221) is provided with an arc-shaped bulge.

2. The knee joint movement training apparatus of claim 1, wherein: the first support leg (121) and the second support leg (122) are respectively arranged on two sides of the groove of the support (102); a first bearing cover (6) is arranged on the inner side surface of the first support leg (121), and the first bearing cover (6) presses the first bearing (5); the first bearing cover (6) is of a step-shaped disc structure with a through hole; a bearing end cover (7) is arranged on the outer side surface of the second support leg (122); the bearing end cover (7) is of a step-shaped disc structure.

3. The knee joint movement training apparatus of claim 1, wherein: the driving shaft (4) penetrates through the outer side wall of the first support leg (121); the driving shaft (4) is rotatably connected with the outer side wall of the first support leg (121) through a second bearing (8); the second bearing (8) is pressed tightly through a second bearing cover (9); the second bearing cover (9) is of a step-shaped disc structure with a through hole.

4. The knee joint movement training apparatus of claim 1, wherein: the other end of the driving shaft (4) is fixedly provided with a rocker (12), and the rocker (12) is perpendicular to the driving shaft (4); the other end of the rocker (12) is fixedly connected with a handle (13).

5. The knee joint movement training apparatus of claim 4, wherein: the handle (13) is vertical to the rocker (12); the handle (13) is of a cone structure; the outer surface of the handle (13) is coated with an elastic rubber layer; and the elastic rubber layer is provided with an anti-skid bulge.

6. The knee joint movement training apparatus of claim 1, wherein: the thigh bracket (101) is fixedly arranged in the arc-shaped groove of the support (102); the arc shape of the thigh bracket (101) is suitable for the size of the thigh of a human body.

7. The knee joint movement training apparatus of claim 1, wherein: one ends of the two connecting rods (21) are respectively and fixedly connected to the driven shaft (3) through a fixed sleeve (26); the lower leg bracket (22) is arranged between the two connecting rods (21).

8. The knee joint movement training apparatus of claim 1, wherein: the lower leg bracket (22) is fixedly connected with the connecting rod (21) through a fixing pin (23); the number of the fixing pins (23) is eight.

9. The knee joint movement training apparatus of claim 1, wherein: a bridle (24) is arranged above the lower leg bracket (22); two ends of the strap (24) are respectively fixed at the middle position of the connecting rod (21); the middle position of the bridle (24) is provided with a plug buckle (25); the belt (24) is an elastic textile belt.