Auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation

Abstract

The invention discloses a lower limb movement assisting chair for cerebrovascular disease rehabilitation, and relates to the technical field of medical instruments. In order to solve the problem that an existing lower limb exercise chair cannot meet the requirement for leg exercise of a patient, the invention designs an auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation, and the auxiliary lower limb exercise chair is structurally characterized in that the auxiliary lower limb exercise chair comprises a flexion and extension exerciser which is arranged on a pedal plate of a wheelchair body and exercises the legs through active lifting and treading exercise of the feet of the patient; the massager is arranged on the side, away from the patient, of the backrest of the wheelchair body and used for massaging the neck and the back of the patient at the same time; the driver is arranged between the flexion and extension exerciser and the massager; a patient can put feet in the flexion and extension exerciser, constant-force springs are driven through active lifting and treading actions of the legs of the patient to enable roll shafts to rotate, the legs of the patient can effectively move and exercise, and blood circulation is promoted to accelerate rehabilitation; power formed by lifting and treading drives the massager to slide up and down and rotate through the driver, so that meridians and muscles of the back and the head of the patient are relaxed.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to an auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation. Background Art

[0002] Cerebrovascular disease refers to various diseases of the brain's blood vessels, including cerebral atherosclerosis, thrombosis, stenosis, occlusion, cerebral arteritis, cerebral artery injury, cerebral aneurysm, intracranial vascular malformations, cerebral arteriovenous fistula, etc. Their common feature is that they cause ischemic or hemorrhagic accidents in the brain tissue. The incidence rate accounts for 1 / 4 to 1 / 2 of the total hospitalizations for the nervous system.

[0003] The rehabilitation process of cerebrovascular disease is long, especially for patients with lower limb mobility problems due to the disease. Rehabilitation treatment generally adopts conservative activity therapy. Due to the lack of leg exercise, the difficulty of rehabilitation is increased. Most cerebrovascular patients need to be supported by others to walk during lower limb rehabilitation training, which can easily make the patients feel tired and also cause fatigue to the supporters. In addition, during the exercise, if the support is unstable, it may cause the patient to fall and cause further injury to the patient. This exercise method is not efficient and may cause harm to the patient, which needs to be improved.

[0004] In view of this, in order to be able to effectively exercise the legs and promote blood circulation to speed up recovery, some people have designed lower limb exercise chairs for autonomous lower limb exercise, such as patent application number CN202120412669.7 discloses an auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation, and patent application number CN202120018937.7 discloses an auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation, etc. During use, such lower limb exercise chairs can be roughly divided into two categories. One is to be matched with a wheelchair, and the wheels are used to provide drive to continuously lift the lower limbs during the movement of the wheelchair. The other is to use handles and levers to lift the lower limbs after the patient sits on the chair by pulling the handles with both hands. However, no matter which type of lower limb exercise chair is used, it is not flexible enough in actual rehabilitation use, and cannot flexibly meet the patient's flexible exercise needs for legs. For this reason, we propose an auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation. Summary of the invention

[0005] In view of the above problems, the technical ideas adopted by the present invention to solve the technical problems are as follows: An auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation is designed to enable the patient's legs to perform effective exercise and promote blood circulation to accelerate recovery. The invention mainly achieves the purpose of training the calves by lifting the patient's soles up and down. When the patient's soles are lifted up and down, the constant force spring can be driven to rotate the roller shaft, and then the massager is driven up and down and rotated through the transmission to relax the patient's back and head meridians and muscles.

[0006] The specific plan is as follows: An auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation includes a wheelchair body, and also includes: a flexion and extension exerciser, arranged on the foot pedal of the wheelchair body, and exercising the legs through the patient's active lifting and stepping movement of the feet; a massager, arranged on the side of the backrest of the wheelchair body away from the patient, and used to massage the patient's neck and back at the same time; a transmission, arranged between the flexion and extension exerciser and the massager; wherein the power generated by the patient's lifting and stepping movement of the flexion and extension exerciser is transmitted through the transmission to drive the massager to rotate, and the lifting and stepping movement and the massager relieve embolism caused by cerebrovascular disease. .

[0007] A preferred embodiment is that the flexion and extension exerciser includes: a group of lifting and stepping structures, which are respectively connected to the left and right pedals of the foot pedal; a roller shaft, both ends of which pass through a group of the lifting and stepping structures, and the middle part is connected to the transmission device; a group of constant force springs, which are respectively sleeved on the ends of the roller shaft; and a group of trigger rods, which are respectively arranged between the lifting and stepping structures and the constant force springs; wherein, when the patient lifts and steps on the lifting and stepping structures, the constant force springs are driven to move through the trigger rods, and the constant force springs provide continuous and appropriate resistance to form a regular reciprocating motion, and the pulling and releasing of the constant force springs drive the roller shaft to rotate.

[0008] In order to implement the above-mentioned scheme, further, the lifting and stepping structure includes: a supporting shell, the bottom side of which is connected to the foot pedal; a foot rest, which is slidably sleeved on the side of the supporting shell away from the foot pedal; one end of the trigger rod is connected to the side of the foot rest away from the patient, and the other end is connected to the constant force spring; wherein, the patient's foot is inserted into the foot rest and lifted and stepped on, and the foot rest slides in the supporting shell, so that the trigger rod drives the constant force spring to move.

[0009] Optionally, a group of telescopic rods are provided between the left and right pedals for adjusting the distance between the left and right pedals.

[0010] Another preferred embodiment is that the transmission device includes: a transverse transmission structure, which is horizontally arranged at the bottom of the wheelchair body and one end of which is connected to the roller shaft; a longitudinal transmission structure, which is vertically arranged at the back of the wheelchair body, with a lower end connected to the transverse transmission structure and an upper end connected to the massager.

[0011] Through the above scheme, further, the transverse transmission structure includes: a first gear, whose lower side is meshed with the middle part of the roller shaft; a transmission shaft, which is horizontally arranged at the bottom of the wheelchair body, and one end thereof passes through the first gear; a first bevel gear, which is arranged at the end of the transmission shaft away from the first gear; the longitudinal transmission structure is connected to the first bevel gear; wherein, the rotation of the roller shaft drives the rotation of the first gear, and the first gear drives the transmission shaft and the first bevel gear to rotate.

[0012] Furthermore, the longitudinal transmission structure includes: a screw rod, which is vertically arranged on the back of the wheelchair body; a second bevel gear, which is arranged at the lower end of the screw rod and meshes with the first bevel gear; a slider, the screw rod passes through the slider, and the slider is connected to the outer layer of the massager; a rotating component, one end of which is connected to the inner layer of the massager, and the other end is sleeved on the screw rod; wherein, the first bevel gear drives the second bevel gear and the screw rod to rotate, the slider slides along the length direction of the screw rod, and the slider drives the outer layer of the massager to slide.

[0013] Preferably, the rotating assembly includes: a collar, which is sleeved on the lead screw and is connected to the outer ring of a bearing on the side close to the massager; a connecting shaft, one end of which is connected to the inner ring of the bearing and the other end is connected to the inner layer of the massager; a second gear, which is arranged on the connecting shaft; a rack, which is connected to the wheelchair body and one side is meshed with the second gear; wherein the outer layer of the massager drives the inner layer to slide, and the inner layer of the massager drives the collar to slide along the length direction of the lead screw through the connecting shaft; the second gear moves with the connecting shaft, and rotates by meshing with the rack, and drives the inner layer of the massager to rotate through the connecting shaft.

[0014] A preferred solution is that the massager is divided into a head massage structure and a back massage structure; the back massage structure is arranged on the back side of the wheelchair body away from the patient; and the head massage structure is arranged on the upper side of the back massage structure.

[0015] Furthermore, a brake is provided at the bottom of the wheelchair body.

[0016] By adopting the above technical solution, the present invention has the following technical effects: An auxiliary lower limb exercise chair for rehabilitation of cerebrovascular disease includes a wheelchair body, and also includes: a flexion and extension exerciser, which is arranged on the foot pedal of the wheelchair body, and exercises the legs through the patient's active lifting and stepping movements of the feet; a massager, which is arranged on the side of the backrest of the wheelchair body away from the patient, and is used to massage the patient's neck and back at the same time; a transmission device, which is arranged between the flexion and extension exerciser and the massager; wherein the power generated by the patient's lifting and stepping movements of the flexion and extension exerciser is transmitted through the transmission device to drive the massager to rotate, and the lifting and stepping movements and the massager relieve embolism caused by cerebrovascular disease.

[0017] The patient sits on the wheelchair body and can place his feet in the flexion and extension exerciser. The patient's active lifting and stepping movements of his legs drive the constant force spring to rotate the roller, so that the patient's legs can be effectively exercised and blood circulation is promoted to speed up recovery. The power generated by the lifting and stepping movements drives the massager to slide up and down and rotate through the transmission, so that the patient's back and head meridians and muscles are relaxed.

[0018] The auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation disclosed by the present invention is easy to operate and can effectively improve the rehabilitation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the embodiments are briefly introduced below.

[0020] Figure 1 It is a structural schematic diagram of an auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation provided in an embodiment of the present application; Figure 2 is a schematic diagram of the structure of a wheelchair body provided in an embodiment of the present application; Figure 3 is a schematic diagram of the structure of a flexion and extension exerciser provided in an embodiment of the present application; Figure 4 is a schematic structural diagram of a roller end portion provided in an embodiment of the present application; Figure 5 is a schematic diagram of a lifting and stepping structure provided in an embodiment of the present application; Figure 6 is a schematic structural diagram of a first housing provided in an embodiment of the present application; Figure 7 is a structural schematic diagram of a transverse transmission structure provided in an embodiment of the present application; Figure 8 is a structural schematic diagram of a longitudinal transmission structure provided in an embodiment of the present application; Fig. 9 It is a structural schematic diagram of the rotating assembly and the outer layer provided in an embodiment of the present application; Fig.10 It is a structural schematic diagram of the rotating assembly and the inner layer provided in an embodiment of the present application; Fig.11 is a schematic diagram of the structure of the ring provided in an embodiment of the present application; Fig.12 It is a structural schematic diagram of a transmission device and a head massage structure provided in an embodiment of the present application; Fig.13 is a schematic structural diagram of a second housing provided in an embodiment of the present application; Fig.14 is a schematic structural diagram of the second housing from another perspective provided by an embodiment of the present application; Fig.15 is a schematic diagram of the structure of the brake provided in an embodiment of the present application; Fig.16 It is a three-dimensional model diagram provided in an embodiment of the present application; Fig.17 It is a rehabilitation training chart for patients with cerebrovascular disease; Icons: wheelchair body 100; flexion and extension exerciser 200; lifting and stepping structure 210; support shell 211; footrest 212; trigger rod 220; constant force spring 230; roller 240; telescopic rod 250; first shell 260; Transmission device 300; first gear 310; transmission shaft 320; first bevel gear 330; second bevel gear 340; screw rod 350; slider 360; rotation assembly 370; connecting shaft 371; collar 372; rack 373; second gear 374; first fixing rod 380; second housing 390; second fixing rod 391; Massager 400; brake 500. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the following will be combined with the appended Figure 1-15 , the technical solutions in the embodiments of the present application are described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments.

[0022] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0023] In the description of the present application, it should be noted that the terms "center", "up", "down", "vertical", "horizontal", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the products of the application are usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0024] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connected" and "connected" should be understood in a broad sense.

[0025] Example The inventor has found that the existing lower limb exercise chairs can be roughly divided into two categories during use. One is to be used in conjunction with a wheelchair, and the wheels are used to provide drive to continuously lift the lower limbs while the wheelchair is moving. The other is to use handles and levers to lift the lower limbs after the patient sits on the chair and pulls the handles with both hands. However, no matter which type of lower limb exercise chair is used, it is not flexible enough during actual rehabilitation use and cannot flexibly meet the patient's need for flexible exercise of their legs. For this reason, we propose an auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation that can exercise the patient's legs and has a massage function.

[0026] In the examples of this application, please refer to Figure 1 , Figure 1 1 is a schematic diagram of the structure of an auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation provided by an embodiment of the present application. An auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation includes a wheelchair body 100, and also includes: a flexion and extension exerciser 200, which is arranged on the foot pedal of the wheelchair body 100, and exercises the legs through the patient's active lifting and stepping movement of the foot; a massager 400, which is arranged on the side of the backrest of the wheelchair body 100 away from the patient, and is used to massage the patient's neck and back at the same time; a transmission 300, which is arranged between the flexion and extension exerciser 200 and the massager 400; wherein, the power generated by the patient's lifting and stepping movement of the flexion and extension exerciser 200 is transmitted through the transmission 300 to drive the massager 400 to rotate, and the lifting and stepping movement and the massager 400 relieve the embolism caused by cerebrovascular disease.

[0027] Cerebrovascular disease is a common brain disease, including cerebral hemorrhage, cerebral infarction, etc. Different types of cerebrovascular disease have different symptoms, common symptoms include headache, nausea, vomiting, hemiplegia, impaired consciousness, etc. Patients with cerebrovascular disease need to undergo exercise rehabilitation under the guidance of a doctor, such as limb activities in bed, sitting up, standing, walking beside the bed, etc., which can promote blood circulation, increase muscle strength, and prevent muscle atrophy. For patients with cerebrovascular disease who are unable to walk, they do not have good exercise measures for their lower limbs, and recurrence of cerebrovascular disease due to improper rehabilitation may cause embolism. A patient with cerebrovascular disease who is unable to walk can sit on the wheelchair body 100 and place his feet in the flexion and extension exerciser 200. The patient's active lifting and stepping action of the legs drives the constant force spring 230 to rotate the roller 240. In this way, the lifting and stepping action enables the patient's legs to be effectively exercised, prevents muscle atrophy of the patient, and promotes blood circulation to speed up recovery. The power generated by the lifting and stepping action drives the massager 400 to slide up and down and rotate through the transmission device 300, so that the meridians and muscles of the back and head of the patient with cerebrovascular disease relax, and prevent blood vessel blockage caused by cerebrovascular disease, which may then cause embolism.

[0028] In the examples of this application, please refer to Figure 2 , Figure 2 1 is a schematic diagram of the structure of the wheelchair body provided in the embodiment of the present application. The wheelchair body 100 of the present application adopts a structure well known to those skilled in the art. For example, the wheelchair body 100 can adopt the existing manual wheelchair for elderly people using the Yibaike brand on the market, which is the same as the wheelchair body 100 in the present application. Since it belongs to the prior art, it will not be described here.

[0029] In the examples of this application, please refer to Figure 3 , Figure 4 , Figure 5 and Figure 6 , Figure 3 is a schematic diagram of the structure of a flexion and extension exerciser provided in an embodiment of the present application; Figure 4 is a schematic structural diagram of a roller end portion provided in an embodiment of the present application; Figure 5 is a schematic diagram of a lifting and stepping structure provided in an embodiment of the present application; Figure 62 is a schematic diagram of the structure of the first housing provided by the embodiment of the present application. The flexion and extension exerciser 200 includes: a set of lifting and stepping structures 210, the left and right pedals of the foot pedal are respectively connected to the lifting and stepping structures 210 and the left and right pedals; a roller 240, both ends of which pass through a set of lifting and stepping structures 210, and the middle part is circumferentially toothed and connected to the transmission 300; a set of constant force springs 230, the ends of the roller 240 are respectively sleeved with constant force springs 230; a set of trigger rods 220, which are respectively arranged between the lifting and stepping structures 210 and the constant force springs 230; wherein, when the patient lifts and steps on the lifting and stepping structures 210, the trigger rods 220 drive the constant force springs 230 to move, and the constant force springs 230 provide continuous and appropriate resistance to form a regular reciprocating motion, and the pulling and releasing of the constant force springs 230 drive the roller 240 to rotate.

[0030] In order to implement the above-mentioned scheme, further, the lifting and stepping structure 210 includes: a supporting shell 211, the bottom side of which is connected to the foot pedal; a foot rest 212, which is slidably sleeved on the side of the supporting shell 211 away from the foot pedal; one end of the trigger rod 220 is connected to the side of the foot rest 212 away from the patient, and the other end is connected to the constant force spring 230; wherein, the patient's foot is inserted into the foot rest 212 and lifted and stepped on, and the foot rest 212 slides in the supporting shell 211, so that the trigger rod 220 drives the constant force spring 230 to move.

[0031] The left and right sides of the upper part of the footrest are respectively slidably connected with the left and right pedals, and the left and right pedals can slide along the curvature of the footrest. A set of telescopic rods 250 are welded between the left and right pedals to adjust the distance between the left and right pedals. The telescopic rods 250 are common prior art, and those skilled in the art can implement them, so they are not described in detail here. In order to avoid motion interference when adjusting the distance between the left and right pedals, a hinge joint is used between the pedal frame for connecting the left and right pedals respectively and the integral bracket of the wheelchair body 100, so that it can adjust the distance with the left and right pedals without falling.

[0032] The support shell 211 is in the shape of a hollow triangle. In order to comply with the patient's lifting and stepping movements, the inclined surface is directed toward the patient's side, and one of the right angle surfaces is welded to the upper part of the left and right pedals respectively. The footrest 212 is in the shape of a slipper, and the upper surface prevents the patient from falling off when lifting his foot. The inner side of the sole has an anti-slip pattern to increase friction. The upper part of the support shell 211 is provided with a through groove that matches the bottom of the footrest 212, so that the footrest 212 can slide along the through groove direction without falling out.

[0033] One end of the trigger rod 220 is connected to the side of the foot rest 212 away from the patient, and the other end is connected to the constant force spring 230, and the constant force spring 230 is fixedly connected to the roller shaft 240; force is applied to the constant force spring 230 to drive the roller shaft 240 to rotate. This is a common mechanical structure, which can be implemented by those skilled in the art and will not be elaborated here.

[0034] In order to prevent the patient's feet from being injured, the area between the left and right pedals is covered by the first shell 260. The bottom of the first shell 260 is welded to the upper part of the pedal, and the roller 240, the telescopic rod 250 and the transmission shaft 320 pass through the first shell 260 respectively.

[0035] In the examples of this application, please refer to Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 and Fig.12 , Figure 7 is a structural schematic diagram of a transverse transmission structure provided in an embodiment of the present application; Figure 8 is a structural schematic diagram of a longitudinal transmission structure provided in an embodiment of the present application; Fig. 9 It is a structural schematic diagram of the rotating assembly and the outer layer provided in an embodiment of the present application; Fig.10 It is a structural schematic diagram of the rotating assembly and the inner layer provided in an embodiment of the present application; Fig.11 is a schematic diagram of the structure of the ring provided in an embodiment of the present application; Fig.12 3 is a schematic diagram of the structure of the transmission device and the head massage structure provided in the embodiment of the present application. The transmission device 300 includes: a transverse transmission structure, which is horizontally arranged at the bottom of the wheelchair body 100, and one end of which is connected to the roller 240; a longitudinal transmission structure, which is vertically arranged at the back of the wheelchair body 100, and the lower end is connected to the transverse transmission structure, and the upper end is connected to the massager 400.

[0036] Through the above scheme, further, the transverse transmission structure includes: a first gear 310, whose lower side is meshed with the middle part of the roller shaft 240; a transmission shaft 320, which is horizontally arranged at the bottom of the wheelchair body 100, and one end thereof passes through the first gear 310; a first bevel gear 330, which is sleeved on the end of the transmission shaft 320 away from the first gear 310; and a longitudinal transmission structure is connected to the first bevel gear 330; wherein, the roller shaft 240 rotates, driving the first gear 310 to rotate, and the first gear 310 drives the transmission shaft 320 and the first bevel gear 330 to rotate.

[0037] Furthermore, the longitudinal transmission structure includes: a screw rod 350, which is vertically arranged on the back of the wheelchair body 100; a second bevel gear 340, which is sleeved on the lower end of the screw rod 350 and meshed with the first bevel gear 330; a slider 360, the screw rod 350 passes through the slider 360, and the slider 360 is connected to the outer layer of the massager 400; a rotating component 370, one end of which is connected to the inner layer of the massager 400, and the other end is sleeved on the screw rod 350; wherein the first bevel gear 330 drives the second bevel gear 340 and the screw rod 350 to rotate, the slider 360 slides along the length direction of the screw rod 350, and the slider 360 drives the outer layer of the massager 400 to slide.

[0038] It should be noted that, since the massager 400 is divided into a head massage structure and a back massage structure, the slider 360 and the rotating assembly 370 of the longitudinal transmission structure also correspond to the head massage structure and the back massage structure respectively, the slider 360 is divided into a head slider 360 and a back slider 360, and the rotating assembly 370 is divided into a head rotating assembly 370 and a back rotating assembly 370; the back massage structure is arranged on the back side of the wheelchair body 100 away from the patient; the head massage structure is arranged on the upper side of the back massage structure, and the slider 360 and the rotating assembly 370 correspond to it respectively.

[0039] Since the transmission principle is the same, this application takes the longitudinal transmission structure of the back and the structural diagram of the massager 400 as the main reference.

[0040] The screw rod 350 is provided with threads only in the sliding range of the slider 360 to facilitate the sliding of the slider 360, and the other areas of the screw rod 350 are smooth. In order to limit the position and prevent it from falling off, a smooth connecting ring is provided outside the connection of the screw rod 350 with the second bevel gear 340, and the connecting ring is fixedly connected to the bracket of the wheelchair through the first fixing rod 380, so that it will not interfere with the rotation and fix its relative position.

[0041] Specifically, the massager 400 adopts a double-layer sheet design, and the inner layer is rotatable, and the elastic backrest of the wheelchair body 100 can be used to massage the patient's back to enhance blood circulation and help physical recovery. This is a common prior art, and those skilled in the art can implement it, so it will not be described in detail here.

[0042] Preferably, the rotating assembly 370 includes: a collar 372, which is sleeved on the screw rod 350 and is connected to the outer ring of the bearing on the side close to the massager 400; a connecting shaft 371, one end of which is connected to the inner ring of the bearing and the other end is connected to the inner layer of the massager 400; a second gear 374, which is arranged on the connecting shaft 371; a rack 373, which is fixedly connected to the wheelchair body 100 and one side is meshed with the second gear 374; wherein, the outer layer of the massager 400 drives the inner layer to slide, and the inner layer of the massager 400 drives the collar 372 to slide along the length direction of the screw rod 350 through the connecting shaft 371; the second gear 374 moves with the connecting shaft 371, and rotates by meshing with the rack 373, and drives the rotation of the inner layer of the massager 400 through the connecting shaft 371.

[0043] In the examples of this application, please refer to Fig.13 and Fig.14 , Fig.13 is a schematic structural diagram of a second housing provided in an embodiment of the present application; Fig.14: is a schematic diagram of the structure of the second shell from another perspective provided by an embodiment of the present application. For the sake of aesthetics and to prevent the operator pushing the wheelchair from bumping into it, a second shell 390 is provided between the handles on the back of the wheelchair body 100 away from the patient, and the length of the second shell 390 matches the screw rod 350. The left and right sides of the interior of the second shell 390 are respectively connected with second fixing rods 391 along the length direction of the screw rod 350, and the upper and lower ends of the second fixing rod 391 are respectively fixedly connected to the upper and lower sides of the interior of the second shell 390. The first fixing rod 380 is arranged horizontally, and its two ends are fixedly connected to the interior of the second shell 390.

[0044] In order to limit the slider 360, the second fixing rod 391 penetrates the slider 360 so that the slider 360 can only slide along the length direction of the screw rod 350. In order to fix the rack 373, the second fixing rod 391 penetrates the rack 373 so that the rack 373 forms a fixed position.

[0045] In the examples of this application, please refer to Fig.15 , Fig.15 1 is a schematic diagram of the structure of the brake provided in the embodiment of the present application. A brake 500 is provided at the bottom of the wheelchair body 100. The brake 500 includes telescopic rods fixedly connected to the four wheels of the wheelchair body 100, and a motor for driving the brake 500. When braking is required, the motor is started and the telescopic rod is extended to achieve stable and firm braking.

[0046] Application Process The patient sits on the wheelchair body 100 and can place his feet in the footrest 212. The patient's active lifting and stepping movements of his legs drive the constant force spring 230 to rotate the roller 240, so that the patient's legs can be effectively exercised and blood circulation is promoted to speed up recovery. The power generated by the lifting and stepping movements drives the massager 400 to slide up and down and rotate through the transmission device 300, so that the patient's back and head meridians and muscles are relaxed.

[0047] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation, comprising a wheelchair body (100), characterized in that: Also includes: A flexion and extension exerciser (200) is arranged on the foot pedal of the wheelchair body (100) and exercises the legs through active lifting and stepping movements of the patient's feet; A massager (400) is arranged on a side of the backrest of the wheelchair body (100) away from the patient and is used to massage the patient's neck and back simultaneously; A transmission device (300) is arranged between the flexion and extension exerciser (200) and the massager (400); The power generated by the patient's lifting and stepping motion on the flexion and extension exerciser (200) is transmitted through the transmission device (300) to drive the massager (400) to rotate, and the lifting and stepping motion and the massager (400) relieve embolism caused by cerebrovascular disease.

2. The auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation according to claim 1, characterized in that: The flexion and extension exerciser (200) comprises: A set of lifting and stepping structures (210), the lifting and stepping structures (210) being respectively connected to the left and right pedals of the foot pedal; A roller shaft (240), both ends of which respectively penetrate a set of the lifting and stepping structures (210), and a middle portion of which is connected to the transmission device (300); a group of constant force springs (230), the ends of the roller shaft (240) being respectively sleeved with the constant force springs (230); A set of trigger rods (220) are respectively arranged between the lifting and stepping structures (210) and the constant force springs (230); The patient lifts and steps on the lifting and stepping structure (210), thereby driving the constant force spring (230) to move via the trigger rod (220); the constant force spring (230) provides continuous and appropriate resistance to form a regular reciprocating motion; the pulling and releasing of the constant force spring (230) drives the roller (240) to rotate.

3. The auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation according to claim 2, characterized in that: The lifting and stepping structure (210) comprises: A support shell (211), the bottom side of which is connected to the foot pedal; A footrest (212) is slidably sleeved on a side of the support shell (211) away from the foot pedal; One end of the trigger rod (220) is connected to the side of the foot support (212) away from the patient, and the other end is connected to the constant force spring (230); The patient's foot is inserted into the footrest (212) and stepped on, and the footrest (212) slides in the support shell (211), causing the trigger rod (220) to drive the constant force spring (230) to move.

4. The auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation according to claim 2, characterized in that: A set of telescopic rods (250) is arranged between the left and right pedals, and is used to adjust the distance between the left and right pedals.

5. The auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation according to claim 2, characterized in that: The transmission device (300) comprises: A transverse transmission structure, arranged in the horizontal direction at the bottom of the wheelchair body (100), one end of which is connected to the roller shaft (240); A longitudinal transmission structure is arranged in a vertical direction on the back of the wheelchair body (100), with a lower end connected to the transverse transmission structure and an upper end connected to the massager (400).

6. The auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation according to claim 5, characterized in that: The transverse transmission structure comprises: A first gear (310), the lower side of which is meshed with the middle portion of the roller shaft (240); A transmission shaft (320) is horizontally arranged at the bottom of the wheelchair body (100), and one end of the transmission shaft passes through the first gear (310); A first bevel gear (330) is arranged at an end of the transmission shaft (320) away from the first gear (310); The longitudinal transmission structure is connected to the first bevel gear (330); The roller shaft (240) rotates, driving the first gear (310) to rotate, and the first gear (310) drives the transmission shaft (320) and the first bevel gear (330) to rotate.

7. The auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation according to claim 6, characterized in that: The longitudinal transmission structure comprises: A screw rod (350) is arranged vertically on the back of the wheelchair body (100); A second bevel gear (340) is disposed at the lower end of the screw rod (350) and meshes with the first bevel gear (330); A slider (360), the screw rod (350) passing through the slider (360), and the slider (360) is connected to the outer layer of the massager (400); A rotating assembly (370), one end of which is connected to the inner layer of the massager (400) and the other end of which is sleeved on the screw rod (350); The first bevel gear (330) drives the second bevel gear (340) and the screw rod (350) to rotate, the slider (360) slides along the length direction of the screw rod (350), and the slider (360) drives the outer layer of the massager (400) to slide.

8. The auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation according to claim 7, characterized in that: The rotating assembly (370) comprises: A sleeve (372) is sleeved on the screw rod (350), and the outer ring of the bearing is connected to the side close to the massager (400); A connecting shaft (371), one end of which is connected to the inner ring of the bearing, and the other end of which is connected to the inner layer of the massager (400); A second gear (374) is disposed on the connecting shaft (371); A rack (373) connected to the wheelchair body (100), with one side meshing with the second gear (374); The outer layer of the massager (400) drives the inner layer to slide, and the inner layer of the massager (400) drives the ring (372) to slide along the length direction of the screw rod (350) through the connecting shaft (371); the second gear (374) moves with the connecting shaft (371), and rotates by meshing with the rack (373), and drives the inner layer of the massager (400) to rotate through the connecting shaft (371).

9. The auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation according to claim 8, characterized in that: The massager (400) is divided into a head massage structure and a back massage structure; The back massage structure is arranged on the back side of the wheelchair body (100) away from the patient; The head massage structure is arranged on the upper side of the back massage structure.

10. The auxiliary lower limb exercise chair for cerebrovascular disease rehabilitation according to claim 9, characterized in that: A brake (500) is provided at the bottom of the wheelchair body (100).

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