Knee joint trainer

Abstract

The utility model relates to the technical field of knee joint training devices, and discloses a knee joint training device which comprises a bed body, supporting columns are symmetrically arranged at the bottom of the bed body, fixing and fastening mechanisms are symmetrically arranged at one end of the bed body, the inner sides of the fixing and fastening mechanisms are movably connected with movable installation rods, and the movable installation rods are movably connected with the supporting columns. A connecting guide mechanism is fixedly connected to the top of the movable mounting rod, a tension driving mechanism is fixedly connected to the inner side of a fixed fastening mechanism, and a fixed mounting bottom plate is fixedly connected between the bottom ends of the inner sides of the supporting columns. Through the mutual cooperation of the fixed fastening mechanism, the movable mounting rod, the connection guide mechanism and the tension driving mechanism, adjustment can be carried out according to the weight capable of being borne when a patient carries out training, then the overall practicability can be improved, training can be carried out according to the positions of the left limb and the right limb of the patient, and the training efficiency is improved. The left limb and the right limb can be simultaneously trained, and the operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to knee joint training device technical field more specifically to a knee joint training device. BACKGROUND

[0002] After knee replacement surgery, the knee needs to be straightened for rehabilitation training. The exercise method is as follows: lie on the bed, or sit, pad a small pillow under the ankle of the lower limb, about 10 cm high, completely relax the muscles, rely on the weight of the leg to naturally droop to completely straighten. You can also press a weight at the distal end of the thigh, such as a sandbag or a salt bag. The weight of the weight is suitable for the pain that can be tolerated during exercise. The thigh muscle is fully relaxed during exercise, 10-15 minutes at a time, and several times a day.

[0003] The existing training device is usually tied to the leg by a strap and connected between the connecting rope and the weight block to provide training weight. However, the weight of the weight block is fixed and cannot be changed at will, and the weight needs to be adjusted according to the time that the patient can withstand. Therefore, we propose a knee joint training device. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a knee joint training device to solve the problems in the above background art.

[0005] The utility model provides the following technical scheme: a knee joint training device, including bed body, the bottom of bed body is equipped with support column symmetry, one end of bed body is equipped with fixed fastening mechanism symmetry, the inside of fixed fastening mechanism is connected with movable mounting rod, the top of movable mounting rod is fixedly connected with connecting guide mechanism, the inside of fixed fastening mechanism is fixedly connected with tension drive mechanism, the inside bottom end between support column is fixedly connected with fixed installation bottom plate, the top of fixed installation bottom plate is fixedly connected with battery, the end of bed body far from fixed fastening mechanism is fixedly connected with fixed switch;

[0006] Further, the fixed fastening mechanism includes a fixed guide sleeve block, a threaded sleeve is fixedly connected to one end of the fixed guide sleeve block away from the bed body, and a fastening bolt is threadedly connected inside the threaded sleeve and the fixed guide sleeve block.

[0007] Further, the surface of the movable mounting rod and the inside of the fixed guide sleeve block are mutually slidingly fitted.

[0008] Further, the connecting guide mechanism includes a first fixed mounting rod, a fixed sleeve arm is symmetrically fixedly sleeved to the surface of the first fixed mounting rod, and a movable guide roller is movably connected to the inside of the end of the fixed sleeve arm away from the first fixed mounting rod.

[0009] Further, the tension driving mechanism comprises a second fixed mounting rod, the bottom end of the second fixed mounting rod is symmetrically provided with an electric telescopic rod, the output end of the electric telescopic rod is fixedly connected with a fixed connection bottom block, one end of the fixed connection bottom block is fixedly connected with a connecting mounting bottom plate, the top end of the connecting mounting bottom plate is symmetrically provided with a first hook, the inner side of the first hook is movably connected with a spring scale, the top of the spring scale is movably connected with a second hook, the top of the second hook is fixedly connected with a connecting pull rope, the other end of the connecting pull rope is fixedly connected with a connecting band.

[0010] Further, the two ends of the second fixed mounting rod are fixedly connected with the two fixed guide sleeve blocks respectively.

[0011] Further, the surface outer side of the connecting pull rope is matched with the edge inner side of the movable guide roller.

[0012] The technical effects and advantages of the present application are as follows:

[0013] 1. The fixed fastening mechanism, the movable mounting rod, the connecting guide mechanism and the tension driving mechanism are matched with each other, so that the weight that the patient can bear during training can be adjusted, thereby improving the overall practicability, and the patient can train according to the position of the left and right limbs, and the left and right limbs can be trained at the same time, which is convenient to operate.

[0014] 2. The fixed guide sleeve block is located at the top of the bed body and close to the position that the patient can touch with the hand, so that when the patient can bear for a certain period of time, the patient can manually switch according to the bearing capacity, which is convenient to operate. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole structure schematic view of the present application.

[0016] Fig. 2 It is a fixed fastening mechanism, a connecting guide mechanism and a tension driving mechanism structure schematic view of the present application.

[0017] The reference signs are: 1, bed body; 2, support column; 3, fixed fastening mechanism; 4, movable mounting rod; 5, connecting guide mechanism; 6, tension driving mechanism; 7, fixed mounting bottom plate; 8, storage battery; 9, fixed guide sleeve block; 10, threaded sleeve; 11, fastening bolt; 12, first fixed mounting rod; 13, fixed sleeve arm; 14, movable guide roller; 15, second fixed mounting rod; 16, electric telescopic rod; 17, fixed connection bottom block; 18, connecting mounting bottom plate; 19, first hook; 20, spring scale; 21, second hook; 22, connecting pull rope; 23, connecting bandage; 24, fixed switch. DETAILED DESCRIPTION

[0018] The technical solutions in the utility model will be clearly and completely described below with reference to the drawings in the utility model, and the forms of the structures described in the following embodiments are only examples, and the utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0019] With reference to Figs. 1-2 The utility model provides a knee joint trainer, including bed body 1, the bottom of bed body 1 is equipped with the support column 2 symmetrically, one end of bed body 1 is equipped with fixed fastening mechanism 3 symmetrically, the inside of fixed fastening mechanism 3 is movably connected with movable mounting rod 4, the top of movable mounting rod 4 is fixedly connected with connecting guide mechanism 5, the inside of fixed fastening mechanism 3 is fixedly connected with tension driving mechanism 6, the inside bottom end of support column 2 is fixedly connected with fixed mounting bottom plate 7, the top of fixed mounting bottom plate 7 is fixedly connected with storage battery 8, the top of bed body 1 is fixedly connected with fixed switch 24 away from one end of fixed fastening mechanism 3;

[0020] Among them, fixed fastening mechanism 3 includes fixed guide sleeve block 9, the end away from bed body 1 of fixed guide sleeve block 9 is fixedly connected with threaded sleeve 10, and threaded sleeve 10 and the inside of fixed guide sleeve block 9 are connected with fastening bolt 11 by screwing.

[0021] Among them, the surface outside of movable mounting rod 4 and the inside of fixed guide sleeve block 9 are mutually slidingly fitted, so that movable mounting rod 4 can be stably moved in the inside of fixed guide sleeve block 9, which is convenient to operate.

[0022] Among them, connecting guide mechanism 5 includes first fixed mounting rod 12, the surface outside of first fixed mounting rod 12 is symmetrically fixedly sleeved with fixed sleeve arm 13, the inside of the end away from first fixed mounting rod 12 of fixed sleeve arm 13 is movably connected with movable guide roller 14, so that movable guide roller 14 can guide and fix tension driving mechanism 6, which is convenient to operate.

[0023] The tension driving mechanism 6 comprises a second fixed mounting rod 15, the bottom end of the second fixed mounting rod 15 is symmetrically provided with an electric telescopic rod 16, the output end of the electric telescopic rod 16 is fixedly connected with a fixed connection bottom block 17, one end of the fixed connection bottom block 17 is fixedly connected with a connecting mounting bottom plate 18, the top end of the connecting mounting bottom plate 18 is symmetrically provided with a first hook 19, the inner side of the first hook 19 is movably connected with a spring scale 20, the top of the spring scale 20 is movably connected with a second hook 21, the top of the second hook 21 is fixedly connected with a connecting pull rope 22, the other end of the connecting pull rope 22 is fixedly connected with a connecting binding belt 23, so that the electric telescopic rod 16 can move the fixed connection bottom block 17, the connecting mounting bottom plate 18 and the first hook 19 downward, the spring scale 20 is pulled, so that the second hook 21, the connecting pull rope 22 and the connecting binding belt 23 can be pulled, at this time, the connecting binding belt 23 can be bound on the left or right limb, and the limb can be fixed on the connecting binding belt 23 to resist the tension, at this time, the tension can be adjusted by observing the indication of the spring scale 20, and then the knee joint can be trained and handled, so that the operation is convenient.

[0024] The two ends of the second fixed mounting rod 15 are fixedly connected with the two fixed guide sleeve blocks 9 respectively, so that the second fixed mounting rod 15 can be stably connected and fixed with the fixed guide sleeve blocks 9, the stability of the connection is improved, and the operation is convenient.

[0025] The surface of the connecting pull rope 22 is matched with the inner side of the edge of the movable guide roller 14, so that the connecting pull rope 22 can be stably moved on the inner side of the movable guide roller 14, and the inner side of the fixed sleeve arm 13 can also be driven to rotate, and the operation is convenient.

[0026] The utility model discloses a working principle: in the process of using, first patient lies in the top of bed body 1, will connect the bandage 23 and bind in the surface outside of the limbs, and electric telescopic handle 16 will fixedly connected bottom block 17, connect the installation bottom plate 18 and first hook 19 move down, pull spring scale 20, can pull second hook 21, connect the pull rope 22 and connect the bandage 23, connect the bandage 23 can bind in the left limbs or right limbs at this moment, and the limbs are fixed to connect the bandage 23, and the resistance is carried out to the tension, can observe the indication of spring scale 20 to adjust the tension, and then the knee joint is trained and handled, and the patient can also crouch on the top of bed body 1, connect the bandage 23 and the connection between the limbs, the limbs are in the curved state at this moment, then electric telescopic handle 16 will fixedly connected bottom block 17, connect the installation bottom plate 18 and first hook 19 move down, pull spring scale 20, can pull second hook 21, connect the pull rope 22 and connect the bandage 23, connect the bandage 23 can bind in the left limbs or right limbs at this moment, and the limbs are fixed to connect the bandage 23, and the resistance is carried out to the tension, can observe the indication of spring scale 20 to adjust the tension, and then the knee joint is trained and handled, and the patient can according to the bearing capacity of oneself, through fixed switch 24, the electric telescopic handle 16 is controlled in real time to terminate training, the whole structure is simple, and convenient and fast operation.

[0027] Finally, the following points should be noted: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;

[0028] Secondly: the utility model discloses the embodiment of the drawing, only relates to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0029] Finally: the above only for the preferred embodiment of the utility model has, and does not limit the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A knee joint trainer comprising a bed (1), characterized in that: The bottom of the bed body (1) is symmetrically provided with support columns (2), one end of the bed body (1) is symmetrically provided with a fixed fastening mechanism (3), the inner side of the fixed fastening mechanism (3) is movably connected with a movable mounting rod (4), the top of the movable mounting rod (4) is fixedly connected with a connecting guide mechanism (5), the inner side of the fixed fastening mechanism (3) is fixedly connected with a tension driving mechanism (6), the inner side of the bottom end of the support column (2) is fixedly connected with a fixed mounting bottom plate (7), the top of the fixed mounting bottom plate (7) is fixedly connected with a storage battery (8), and the top of the bed body (1) is fixedly connected with a fixed switch (24) away from the fixed fastening mechanism (3).

2. A knee joint exerciser according to claim 1, wherein: The fixed fastening mechanism (3) comprises a fixed guide sleeve block (9), one end of the fixed guide sleeve block (9) away from the bed body (1) is fixedly connected with a threaded sleeve (10), and the inside of the threaded sleeve (10) and the fixed guide sleeve block (9) is threadedly connected with a fastening bolt (11).

3. A knee joint exerciser according to claim 1, wherein: The surface of the movable mounting rod (4) is movably matched with the inner side of the fixed guide sleeve block (9).

4. The knee exerciser of claim 1 wherein: The connecting guide mechanism (5) comprises a first fixed mounting rod (12), the surface of the first fixed mounting rod (12) is symmetrically fixedly sleeved with a fixed sleeve arm (13), and the inner side of the end of the fixed sleeve arm (13) away from the first fixed mounting rod (12) is movably connected with a movable guide roller (14).

5. A knee joint exerciser according to claim 2, wherein: The tension driving mechanism (6) comprises a second fixed mounting rod (15), the bottom end of the second fixed mounting rod (15) is symmetrically provided with an electric telescopic rod (16), the output end of the electric telescopic rod (16) is fixedly connected with a fixed connection bottom block (17), one end of the fixed connection bottom block (17) is fixedly connected with a connection mounting bottom plate (18), the top end of the connection mounting bottom plate (18) is symmetrically provided with a first hook (19), the inner side of the first hook (19) is movably connected with a spring scale (20), the top of the spring scale (20) is movably connected with a second hook (21), the top of the second hook (21) is fixedly connected with a connecting pull rope (22), and the other end of the connecting pull rope (22) is fixedly connected with a connecting band (23).

6. A knee joint exerciser according to claim 5, wherein: The two ends of the second fixed mounting rod (15) are fixedly connected with the two fixed guide sleeve blocks (9).

7. A knee joint exerciser according to claim 5, wherein: The surface of the connecting pull rope (22) is matched with the inner side of the edge of the movable guide roller (14).

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