Knee joint exercise trainer

Abstract

The utility model discloses a knee joint exercise trainer, which comprises a seat, the foot sliding mechanism is arranged on the front side of the seat, and the foot sliding mechanism is provided with a moving part for the feet to move back and forth; the auxiliary pushing mechanism is installed on the seat, the driving end of the auxiliary pushing mechanism can be connected with or disconnected from the moving part, and the auxiliary pushing mechanism is used for assisting in driving the moving part to move front and back. The knee joint movement training device can be suitable for patients with legs capable of applying force by themselves or patients with legs incapable of applying force by themselves, and the use convenience and applicability of the training device are greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of leg rehabilitation training devices, and more specifically to a knee joint movement training device. Background Art

[0002] After clinical surgery, the rehabilitation effect has always troubled patients and medical staff. Leg injury is one of the most common clinical injuries, with a high disability rate, which seriously affects the patient's quality of life and the patient's original working ability. Therefore, people have been researching and manufacturing rehabilitation equipment to help patients recover from leg injuries.

[0003] In the prior art, such as CN106730631A - a leg strength rehabilitation training device, the patient pushes the top plate with the toes, the top plate moves to drive the carrier plate to move, the carrier plate moves to drive the slider to move in the slide slot, so that the top plate compresses the spring, and this design enables the patient to move the foot in a small range. However, the above rehabilitation training device can only be used for the patient's legs to move forward and backward by themselves, and is not suitable for patients with fractures or hemiplegia whose legs are weak and cannot exert force by themselves.

[0004] Therefore, how to provide a knee joint exercise trainer that can assist patients in applying force to their legs to perform leg bending and leg hooking rehabilitation training is a problem that technical personnel in this field urgently need to solve. Utility Model Content

[0005] In view of this, the utility model provides a knee joint exercise trainer which can assist patients in performing leg bending and leg hooking rehabilitation training.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A knee joint exercise training device, comprising:

[0008] Seats;

[0009] A foot sliding mechanism, the foot sliding mechanism is arranged on the front side of the seat, and the foot sliding mechanism is provided with a moving part for the foot to move forward and backward;

[0010] An auxiliary pushing mechanism is installed on the seat, and a driving end of the auxiliary pushing mechanism can be connected to or disconnected from the moving part, so as to assist in driving the moving part to move forward and backward.

[0011] It can be known from the above technical scheme that compared with the prior art, the utility model discloses a knee joint motion trainer. When a patient whose legs can exert force on their own uses the trainer, the driving end of the auxiliary pushing mechanism is disconnected from the moving part, and then the patient sits on a seat, and then places the foot on the moving part on the foot sliding mechanism. The leg exerts force on its own to push the moving part to move back and forth, thereby realizing reciprocating bending activity training of the leg; when a patient whose legs cannot exert force on their own uses the trainer, the driving end of the auxiliary pushing mechanism is connected to the moving part, and the patient sits on a seat, and then places the foot on the moving part on the foot sliding mechanism. The auxiliary pushing mechanism automatically drives the moving part to move back and forth, thereby realizing automatic reciprocating bending activity training of the leg. Therefore, the knee joint motion trainer of the utility model can be used by patients whose legs can exert force on their own and patients whose legs cannot exert force on their own, which greatly improves the convenience and applicability of the trainer.

[0012] Furthermore, the seat comprises:

[0013] A bottom plate, the bottom plate is fixed on the ground, the foot sliding mechanism is arranged on the front side of the bottom plate, and the auxiliary pushing mechanism is installed on the bottom plate;

[0014] A lifting hydraulic cylinder, the bottom end of which is fixedly connected to the top end of the base plate;

[0015] A seat plate, the bottom end of which is fixedly connected to the lifting end of the lifting hydraulic cylinder, and a backrest plate is fixed on the rear side end of the seat plate.

[0016] The beneficial effect of adopting the above technical solution is that the lifting hydraulic cylinder can drive the seat plate to rise and fall and adjust the height of the seat, so that the patient can adjust the height of the seat according to his or her height, thereby improving the patient's comfort during training.

[0017] Furthermore, the foot sliding mechanism includes: a guide plate and the moving part, the guide plate is fixed on the ground and located on the front side of the base plate, the moving part is slidably arranged on the guide plate, and the moving part can be connected or disconnected with the driving end of the auxiliary pushing mechanism.

[0018] The beneficial effect of adopting the above technical solution is that the guide plate guides the position of the moving part when it moves forward and backward, ensuring that the knee joint can achieve forward and backward bending activity training.

[0019] Furthermore, a guide groove is provided at the top of the guide plate, the movable part is slidably arranged in the guide groove, a through hole is provided on the rear groove wall of the guide groove, the driving end of the auxiliary pushing mechanism passes through the through hole and extends into the guide groove and can be connected or disconnected with the movable part.

[0020] The beneficial effect of adopting the above technical solution is that the moving part can move forward and backward under the guidance of the guide groove.

[0021] Furthermore, the moving part includes: a foot pedal and a moving wheel, the foot pedal is located in the guide groove, the moving wheel is installed on the foot pedal, the moving wheel is in rolling contact with the bottom of the guide groove, and the rear end of the foot pedal can be connected or disconnected with the driving end of the auxiliary pushing mechanism.

[0022] The beneficial effect of adopting the above technical solution is: the patient's feet step on the foot pedal, and then the foot pedal is moved back and forth in the guide groove through the moving wheel.

[0023] Furthermore, the foot pedal is provided with a first fixing member for fixing the foot.

[0024] The beneficial effect of adopting the above technical solution is that after the patient's foot steps on the foot pedal, the patient's foot is fixed on the foot pedal by the first fixing member to prevent the foot from slipping off the foot pedal during the forward and backward movement.

[0025] Furthermore, the auxiliary pushing mechanism is an electric push rod, which is fixed on the base plate. A first electromagnet is fixed to the driving end of the electric push rod, and a second electromagnet is fixed to the rear end of the foot pedal. The first electromagnet is magnetically connected to the second electromagnet.

[0026] The beneficial effect of adopting the above technical scheme is: when the first electromagnet and the second electromagnet are energized, the two can be magnetically connected, thereby realizing the combination and fixation of the driving end of the electric push rod and the foot pedal. At this time, the electric push rod automatically drives the foot pedal to move back and forth, thereby realizing automatic bending and activity training of the patient's knee joint; when the first electromagnet and the second electromagnet lose power, the two can be disconnected, thereby realizing the separation of the driving end of the electric push rod and the foot pedal. At this time, the patient's leg can apply force by itself to drive the foot pedal to move back and forth, thereby realizing automatic bending and activity training of the patient's knee joint.

[0027] Furthermore, the electric push rod is fixed in a mounting cavity opened at the front end of the base plate.

[0028] The beneficial effect of adopting the above technical solution is that the electric push rod can be hidden in the installation cavity and will not be exposed, making the training device simple and beautiful.

[0029] Furthermore, it also includes a manual auxiliary drive component, which is installed on the seat plate and is provided with a second fixing member for fixing the calf.

[0030] The beneficial effect of adopting the above technical solution is: after the foot is fixed on the foot pedal, if the hand is needed to assist in driving the knee joint movement, the calf can be fixed on the second fixing part, and then the knee joint can be driven to bend forward and backward through the manual auxiliary driving component. In this way, the knee joint can be driven to move forward and backward with the assistance of the hand, which not only reduces the patient's leg's physical labor of self-force, but also allows the hand and arm to be exercised. Of course, the patient's feet do not need to step on the foot pedal, and the knee joint can be driven to bend forward and backward through the manual auxiliary driving component to achieve the leg hook training effect.

[0031] Furthermore, the manual auxiliary drive assembly includes:

[0032] A connecting screw, one end of which is screwed and fixed to one side end of the seat plate, a locking nut is screwed on the connecting screw, one side end of the locking nut is in tight contact with one side end surface of the seat plate, and two stop nuts are screwed at intervals on the other end of the connecting screw;

[0033] A rocker is provided with a through hole, the other end of the connecting screw is passed through the through hole, and the rocker is located between the two stop nuts, one end of the rocker is a gripping end, and the other end is fixed with the second fixing piece.

[0034] The beneficial effect of adopting the above technical solution is that the patient holds his hand at the holding end and then shakes the rocker forward and backward, and the rocker drives the calf to move forward and backward through the second fixing member, so that the leg can be bent forward and backward or the leg hook training can be realized. In addition, when the manual auxiliary drive assembly is not needed, the connecting screw rod can be removed from the seat plate to realize the function of removing the manual auxiliary drive assembly from the seat plate as a whole, so that the patient can use the foot sliding mechanism to perform knee joint activity training without being interfered by the manual auxiliary drive assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0036] Figure 1 The utility model is a schematic diagram of the axial structure of a knee joint exercise trainer.

[0037] Figure 2 for Figure 1 Schematic diagram of the enlarged structure of local A in the middle.

[0038] Figure 3 for Figure 1Schematic diagram of the enlarged structure of part B in the middle.

[0039] Figure 4 This is a schematic diagram of the main structure of a knee joint exercise trainer provided by the utility model. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0041] like Figure 1-Figure 4 As shown, the embodiment of the utility model discloses a knee joint exercise training device, comprising:

[0042] Seat 1;

[0043] A foot sliding mechanism 2, which is arranged at the front side of the seat 1, and is provided with a moving part 22 for the foot to move forward and backward;

[0044] The auxiliary pushing mechanism 3 is installed on the seat 1. The driving end of the auxiliary pushing mechanism 3 can be connected or disconnected with the moving part 22, and is used to assist in driving the moving part 22 to move forward and backward.

[0045] Among them, in the above embodiment, the seat 1 includes:

[0046] A bottom plate 11, the bottom plate 11 is fixed on the ground, the foot sliding mechanism 2 is arranged on the front side of the bottom plate 11, and the auxiliary pushing mechanism 3 is installed on the bottom plate 11;

[0047] A lifting hydraulic cylinder 12, the bottom end of which is fixedly connected to the top end of the bottom plate 11;

[0048] The seat plate 13 has a bottom end fixedly connected to the lifting end of the lifting hydraulic cylinder 12 , and a backrest plate 14 is fixed to the rear side end of the seat plate 13 .

[0049] In some embodiments, the foot sliding mechanism 2 includes: a guide plate 21 and a moving part 22. The guide plate 21 can be fixed on the ground by bonding, welding or screws and is located on the front side of the base plate 11. The moving part 22 is slidably set on the guide plate 21. The moving part 22 can be connected or disconnected from the driving end of the auxiliary pushing mechanism 3.

[0050] A guide groove 211 is provided at the top of the guide plate 21, and the movable part 22 is slidably arranged in the guide groove 211. A through hole 212 is provided on the rear groove wall of the guide groove 211. The driving end of the auxiliary pushing mechanism 3 extends into the guide groove 211 through the through hole 212 and can be connected or disconnected with the movable part 22.

[0051] The moving part 22 includes: a foot pedal 221 and a moving wheel 222. The foot pedal 221 is located in the guide groove 211. The moving wheel 222 is installed on the foot pedal 221. The moving wheel 222 is in rolling contact with the bottom of the guide groove 211. The rear side end of the foot pedal 221 can be connected or disconnected with the driving end of the auxiliary pushing mechanism 3.

[0052] The foot pedal 221 is provided with a first fixing member 223 for fixing the foot.

[0053] The auxiliary pushing mechanism 3 can be an electric push rod, which is fixed on the base plate 11. A first electromagnet 4 is fixed to the driving end of the electric push rod, and a second electromagnet 5 is fixed to the rear end of the foot pedal 221. The first electromagnet 4 and the second electromagnet 5 are magnetically connected.

[0054] The electric push rod is fixed in a mounting cavity 111 opened at the front end of the base plate 11 .

[0055] The knee joint exercise trainer further comprises a manual auxiliary drive assembly 6, which is mounted on the seat plate 13. The manual auxiliary drive assembly 6 is provided with a second fixing member 643 for fixing the calf.

[0056] Wherein, the manual auxiliary drive component 6 comprises:

[0057] A connecting screw 61, one end of which is screwed and fixed to one side end of the seat plate 13, a locking nut 62 is screwed to the connecting screw 61, one end of which is in tight contact with one side end surface of the seat plate 13, and two stop nuts 63 are screwed to the other end of the connecting screw 61 at intervals;

[0058] The rocker 64 has a through hole 641 formed thereon, the other end of the connecting screw 61 is passed through the through hole 641, and the rocker 64 is located between the two stop nuts 63, one end of the rocker 64 is a gripping end 642, and the other end is fixed with a second fixing member 643.

[0059] In the above embodiments, the first fixing member and the second fixing member may be selected from one of a strap, a Velcro, a hook and loop, and an elastic rope.

[0060] In the above embodiments, at least one foot sliding mechanism, auxiliary pushing mechanism, and manual auxiliary driving assembly are provided. The trainer of the utility model can preferably use two foot sliding mechanisms, two auxiliary pushing mechanisms, and two manual auxiliary driving assemblies to realize single-leg or double-leg knee joint rehabilitation training.

[0061] The specific usage process is: when the manual assisted drive assembly is not needed, the connecting screw can be removed from the seat plate, so that the manual assisted drive assembly can be removed from the seat plate as a whole. When a patient whose legs can exert force on their own uses the trainer, the first electromagnet and the second electromagnet lose power, and the driving end of the electric push rod is disconnected from the foot pedal. Then the patient sits on the seat, and then places his feet on the foot pedal, and fixes his feet on the foot pedal through the first fixing member. After that, the legs exert force on their own to push the foot pedal to move back and forth in the guide groove to achieve reciprocating bending activity training of the legs; when a patient whose legs cannot exert force on their own uses the trainer, the first electromagnet and the second electromagnet are energized, the driving end of the electric push rod is combined and fixed with the foot pedal, and the patient sits on the seat, and then places his feet on the foot pedal. The electric push rod drives the foot pedal to automatically move back and forth to achieve automatic reciprocating bending activity training of the legs.

[0062] When a manual auxiliary drive assembly is needed, the connecting screw is installed on the seat plate, and the calf is fixed to the rocker using the second fixing piece. The patient then holds the hand at the holding end and then shakes the rocker back and forth. The rocker drives the calf to move back and forth through the second fixing piece, thereby realizing leg bending forward and backward or leg hooking training.

[0063] Therefore, the trainer can assist or actively drive the knee joint by means of an electric push rod or manual shaking, and can be suitable for patients with weak legs and strong legs, greatly improving the versatility and ease of use of the trainer.

[0064] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0065] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A knee joint exercise trainer, characterized in that: include: Seat (1); A foot sliding mechanism (2), the foot sliding mechanism (2) being arranged on the front side of the seat (1), and the foot sliding mechanism (2) being provided with a moving part (22) for the foot to move forward and backward; An auxiliary pushing mechanism (3), the auxiliary pushing mechanism (3) being mounted on the seat (1), the driving end of the auxiliary pushing mechanism (3) being connectable to or disconnectable from the moving part (22), and being used to assist in driving the moving part (22) to move forward and backward; The seat (1) comprises: A base plate (11), the base plate (11) is fixed on the ground, the foot sliding mechanism (2) is arranged on the front side of the base plate (11), and the auxiliary pushing mechanism (3) is installed on the base plate (11); A lifting hydraulic cylinder (12), the bottom end of the lifting hydraulic cylinder (12) being fixedly connected to the top end of the base plate (11); A seat plate (13), the bottom end of the seat plate (13) being fixedly connected to the lifting end of the lifting hydraulic cylinder (12), and a backrest plate (14) being fixed to the rear side end of the seat plate (13); The foot sliding mechanism (2) comprises: a guide plate (21) and a moving part (22), wherein the guide plate (21) is fixed on the ground and located at the front side of the bottom plate (11), and the moving part (22) is slidably arranged on the guide plate (21), and the moving part (22) can be connected or disconnected with the driving end of the auxiliary pushing mechanism (3); A guide groove (211) is provided at the top end of the guide plate (21), the movable part (22) is slidably arranged in the guide groove (211), a through hole (212) is provided on the rear groove wall of the guide groove (211), and the driving end of the auxiliary pushing mechanism (3) passes through the through hole (212) and extends into the guide groove (211) and can be connected or disconnected with the movable part (22); The moving part (22) comprises: a foot pedal (221) and a moving wheel (222); the foot pedal (221) is located in the guide groove (211); the moving wheel (222) is mounted on the foot pedal (221); the moving wheel (222) is in rolling contact with the bottom of the guide groove (211); the rear side end of the foot pedal (221) can be connected or disconnected with the driving end of the auxiliary pushing mechanism (3); The auxiliary pushing mechanism (3) is an electric push rod, which is fixed on the base plate (11). A first electromagnet (4) is fixed to the driving end of the electric push rod, and a second electromagnet (5) is fixed to the rear end of the foot pedal (221). The first electromagnet (4) and the second electromagnet (5) are magnetically connected.

2. A knee joint exercise training device according to claim 1, characterized in that: The foot pedal (221) is provided with a first fixing member (223) for fixing the foot.

3. A knee joint exercise training device according to claim 1, characterized in that: The electric push rod is fixed in a mounting cavity (111) opened at the front end of the base plate (11).

4. A knee joint exercise training device according to any one of claims 1 to 3, characterized in that: It also comprises a manually assisted drive assembly (6), wherein the manually assisted drive assembly (6) is mounted on the seat plate (13), and the manually assisted drive assembly (6) is provided with a second fixing member (643) for fixing the calf.

5. A knee joint exercise training device according to claim 4, characterized in that: The manual auxiliary drive assembly (6) comprises: A connecting screw (61), one end of the connecting screw (61) is screwed and fixed to one side end of the seat plate (13), a locking nut (62) is screwed on the connecting screw (61), one side end of the locking nut (62) is in tight contact with one side end surface of the seat plate (13), and two stop nuts (63) are screwed at intervals on the other end of the connecting screw (61); A rocker (64), wherein a through hole (641) is formed on the rocker (64), the other end of the connecting screw (61) is penetrated in the through hole (641), and the rocker (64) is located between the two stop nuts (63), one end of the rocker (64) is a gripping end (642), and the other end is fixed with the second fixing member (643).

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