Shoulder joint trainer

Abstract

The invention relates to a shoulder joint trainer, which belongs to the technical field of medical instruments and comprises a shoulder ladder and an auxiliary arm, one end of the auxiliary arm is slidably arranged on the side wall of the shoulder ladder, the other end of the auxiliary arm is detachably worn on the upper arm of the arm of a patient, and the arm of the patient straightly extends out of the front of the shoulder ladder. The palm face of a patient is in attached contact with the front end face of the shoulder ladder and moves up and down in the arrangement direction of the shoulder ladder, the auxiliary arm slides on the side wall of the shoulder ladder along with swing of the large arm of the arm of the patient, the auxiliary arm has a braking function, and the sliding fit relation between the auxiliary arm and the shoulder ladder can be locked or unlocked through the braking function. Through the arrangement of the auxiliary arms, when the patient uses the shoulder ladder to carry out movement training of the shoulder joints, once the upper limbs of the patient have the condition of shoulder weakness, the auxiliary arms can adopt a braking function and are locked at the position of the current shoulder ladder, and the purpose that the auxiliary arms lift the shoulder joints of the patient and keep the shoulder joints unchanged is achieved.

Description

Technical Field

[0001] The present invention belongs to the technical field of medical devices, and particularly relates to a shoulder joint trainer. Background Art

[0002] A shoulder ladder is a medical device that can train the range of motion of the shoulder joint by the climbing height of the fingers. When using the shoulder ladder, the fingers are used to move up or down along the ladder teeth to gradually increase the range of motion of the shoulder joint for the restorative training of shoulder joint movement disorders. The shoulder ladder can be practiced alternately with the left and right hands to gradually improve the flexibility and coordination of the active movement of the finger system, and at the same time, it can also increase the movement of raising the head and looking up with the eyes.

[0003] For example, the utility model patent with the patent authorization announcement number: CN201537351U. This patent includes a supporting fixed frame and a lifting tube. The fixed frame is fixed on the wall or metal member. The fixed frame has a square tube hole. The lifting tube is inserted into the square tube hole of the fixed frame and fixed relative to the fixed frame through fastening screws. A ladder frame is fixedly connected to the lifting tube, and a toothed plate is fixedly arranged on the outer side surface of the ladder frame. This shoulder ladder for rehabilitation training is used to help patients with joint movement disorders to carry out restorative training. Its structure is simple, easy and safe to use, and the training effect is remarkable.

[0004] Based on the search of the patent authorization announcement number and combined with its deficiencies, it is found that:

[0005] When a patient with a damaged shoulder joint uses a shoulder ladder to move the shoulder joint, the patient moves the fingers up or down along the end face of the shoulder ladder to gradually increase the range of motion of the shoulder joint, so as to carry out restorative training for the shoulder joint movement disorder. However, in the actual training process, when the patient's fingers move along the shoulder ladder to the highest height they can reach, it is easy to cause pain and weakness in the patient's shoulder joint. Furthermore, the patient's upper limb will rapidly drop due to weakness, further aggravating the soft tissue around the damaged shoulder joint that has been strained by the patient. Summary of the Invention

[0006] To solve the problem that when a patient with a damaged shoulder joint uses a shoulder ladder to move the shoulder joint, the patient moves the fingers up or down along the end face of the shoulder ladder to gradually increase the range of motion of the shoulder joint, so as to carry out restorative training for the shoulder joint movement disorder. However, in the actual training process, when the patient's fingers move along the shoulder ladder to the highest height they can reach, it is easy to cause pain and weakness in the patient's shoulder joint. Furthermore, the patient's upper limb will rapidly drop due to weakness, further aggravating the soft tissue around the damaged shoulder joint that has been strained by the patient, the present invention provides a shoulder joint trainer.

[0007] The object of the present invention can be achieved by the following technical solutions:

[0008] A shoulder joint trainer, comprising a shoulder ladder and an auxiliary arm. One end of the auxiliary arm is slidably arranged on the side wall of the shoulder ladder, and the other end of the auxiliary arm is detachably worn on the upper arm of the patient's arm. The patient's arm extends straight out in front of the shoulder ladder, and the palm surface of the patient is in close contact with the front end surface of the shoulder ladder and moves up and down along the setting direction of the shoulder ladder. The auxiliary arm slides on the side wall of the shoulder ladder following the swing of the upper arm of the patient's arm. The auxiliary arm has a braking function, and the auxiliary arm can lock or release its sliding fit relationship with the shoulder ladder through the braking function.

[0009] As a preferred technical solution of the present invention, the shoulder ladder includes a vertical plate, a bent plate and a plurality of ladder teeth. The bent plate is 1 / 4 of a circular ring. The bottom surface of the bent plate is arranged in close contact with the top surface of the vertical plate. The front end surface of the bent plate and the front end surface of the vertical plate jointly form a sliding surface, and a plurality of ladder teeth are arranged at equal intervals on the sliding surface along the setting direction of the sliding surface.

[0010] As a preferred technical solution of the present invention, the auxiliary arm includes a sliding unit, an auxiliary frame and an adjustment pad. An installation slot is formed in the middle of the auxiliary frame, and the adjustment pad is arranged in the installation slot. The upper arm of the patient's arm realizes wearing the auxiliary frame on the upper arm of the patient's arm through the cooperation with the installation slot. A sliding slot is jointly formed by the side walls of the vertical plate and the bent plate. The setting direction of the sliding slot is the same as the setting direction of the shoulder ladder. The sliding unit is slidably arranged on the sliding slot, and one end of the auxiliary frame is connected to the sliding unit.

[0011] As a preferred technical solution of the present invention, the sliding unit includes a sliding block, a sliding wheel and a sliding motor. The sliding block is slidably arranged on the sliding slot. A rotating slot is formed in the sliding block. The sliding wheel is rotatably arranged in the rotating slot. The outer side wall of the sliding wheel is in close contact with the side wall of the sliding slot. The sliding motor is arranged on the sliding block, and the output end of the sliding motor is coaxially connected to the sliding wheel. The sliding block is hinged to one end of the auxiliary frame.

[0012] As a preferred technical solution of the present invention, the auxiliary arm further includes two pressure modules and a control chip. Both of the two pressure modules are arranged in the adjustment pad, and are respectively located at the upper and lower ends in the installation slot, and are respectively used for detecting the acting force between the upper part of the patient's upper arm and the auxiliary frame and the acting force between the lower part of the patient's upper arm and the auxiliary frame; the control chip is respectively in communication connection with the two pressure modules and the sliding motor, and the control chip controls the rotation direction of the sliding motor according to the data transmitted back by the two pressure modules.

[0013] As a preferred technical solution of the present invention, the auxiliary arm further includes a plurality of detection modules, and the plurality of detection modules correspond to and match the plurality of ladder teeth one by one. Any one of the detection modules is arranged in the corresponding ladder tooth. The detection module is used to detect whether the patient's palm is pressed on the ladder tooth, and the detection module is communicatively connected to the control chip.

[0014] As a preferred technical solution of the present invention, the auxiliary arm further includes a telescopic unit. The telescopic unit includes a telescopic housing, a telescopic rod and a rotating rod. One end of the telescopic rod is connected to one end of the auxiliary frame close to the sliding unit. The sliding block is provided with a hinged slot hole, and the central axis of the hinged slot hole is perpendicular to the surface of the sliding block. One end of the rotating rod is rotatably arranged on the hinged slot hole, and the other end of the rotating rod is connected to the telescopic housing. An expansion slot hole is provided inside the telescopic housing, and the other end of the telescopic rod is slidably arranged in the expansion slot hole.

[0015] As a preferred technical solution of the present invention, the auxiliary arm further includes a braking unit. The braking unit further includes a braking cylinder and a braking block. A braking slot hole is centrally penetrated through the sliding block, and the braking slot hole communicates with the sliding slot hole. The braking block is slidably arranged in the braking slot hole. The braking cylinder is arranged on the sliding block, and the output end of the braking cylinder is connected to the braking block. The braking block can lock or release its mutual fitting relationship with the sliding slot hole.

[0016] As a preferred technical solution of the present invention, the braking unit further includes a fixing plate, a pressing plate, a pressing block, a hinged rod, a connecting rod and a return spring. The fixing plate is arranged on the telescopic housing. A pressing slot hole is provided at one end of the telescopic housing close to the auxiliary frame, and the pressing slot hole communicates with the expansion slot hole. The pressing block is slidably arranged in the pressing slot hole. The middle end of the hinged rod is rotatably hinged to the fixing plate. One end of the pressing block extending out of the pressing slot hole is slidably hinged to one end of the hinged rod along the axis direction of the hinged rod. The middle end of the connecting rod is rotatably hinged to the fixing plate. The connecting rod is located between the braking cylinder and the hinged rod. One end of the connecting rod close to the hinged rod is slidably hinged to the other end of the hinged rod along the axis direction of the hinged rod. The two ends of the return spring are respectively connected to one end of the hinged rod close to the connecting rod and the telescopic housing. The pressing plate is connected to the output end of the braking cylinder. The pressing plate is located on the top of the sliding block. The area where the pressing plate projects onto the top surface of the telescopic housing coincides with one end of the connecting rod close to the braking cylinder. The pressing block can lock or release its mutual abutting and fitting relationship with the telescopic rod.

[0017] As a preferred technical solution of the present invention, the braking unit further includes an abutting block, an abutting rod and a driving rod. The sliding block is further provided with an abutting groove hole, and the abutting groove hole is respectively communicated with the hinged groove hole and the braking groove hole. The abutting block is slidably disposed in the abutting groove hole, the abutting rod is slidably disposed in the abutting groove hole, one end of the abutting rod is connected to the abutting block, the other end of the abutting rod extends into the braking groove hole, and both ends of the driving rod are respectively hinged to the output end of the braking cylinder and the other end of the abutting rod. The abutting block can lock or release its abutting and fitting relationship with the rotating rod.

[0018] The beneficial effects of the present invention are as follows:

[0019] By providing an auxiliary arm, when a patient is performing shoulder joint movement training using a shoulder ladder, once the patient's upper limb shows shoulder weakness, the auxiliary arm will adopt a braking function and lock in the current position of the shoulder ladder, so as to keep the patient's shoulder joint lifted by the auxiliary arm unchanged, preventing the patient's upper limb from suddenly dropping due to shoulder weakness, which may further aggravate the soft tissue injury around the damaged shoulder joint of the patient. When a patient with a damaged shoulder joint uses a shoulder ladder for shoulder joint movement, the patient gradually increases the range of shoulder joint movement by moving the fingers up or down along the end face of the shoulder ladder, so as to perform restorative training for shoulder joint movement disorders. However, during the actual training process, when the patient's fingers move along the shoulder ladder to the highest height they can reach, it is easy to cause pain and weakness in the patient's shoulder joint, and then the patient's upper limb will suddenly drop due to weakness, further aggravating the problem of soft tissue injury around the damaged shoulder joint of the patient. Description of the Drawings

[0020] For the convenience of those skilled in the art to understand, the present invention will be further described below with reference to the accompanying drawings.

[0021] Figure 1 Overall schematic diagram of a shoulder joint trainer of the present invention;

[0022] Figure 2 Top view schematic diagram of the sliding unit of a shoulder joint trainer of the present invention;

[0023] Figure 3 Top view schematic diagram of the auxiliary frame of a shoulder joint trainer of the present invention;

[0024] Figure 4 Internal schematic diagram of the telescopic unit of a shoulder joint trainer of the present invention;

[0025] Figure 5 Internal schematic diagram of the braking unit of a shoulder joint trainer of the present invention;

[0026] Figure 6 The bottom view schematic diagram of the braking unit of a shoulder joint trainer of the present invention;

[0027] Figure 7 The connection diagram of the control chip of a shoulder joint trainer of the present invention.

[0028] Main symbol description

[0029] In the figure: 1. Shoulder ladder; 101. Vertical plate; 102. Bent plate; 103. Ladder teeth; 2. Auxiliary arm; 3. Sliding unit; 301. Sliding block; 302. Sliding wheel; 303. Sliding motor; 4. Auxiliary frame; 5. Adjusting pad; 6. Pressure module; 7. Control chip; 8. Detection module; 9. Telescopic unit; 901. Telescopic housing; 902. Telescopic rod; 903. Rotating rod; 10. Braking unit; 1001. Braking cylinder; 1002. Braking block; 1003. Fixed plate; 1004. Pressing plate; 1005. Pressing block; 1006. Hinge rod; 1007. Connecting rod; 1008. Return spring; 1009. Abutting block; 1010. Abutting rod; 1011. Driving rod. Specific embodiments

[0030] To further elaborate on the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the following combines the accompanying drawings and preferred embodiments to detail the specific embodiments, structures, features and their effects according to the present invention.

[0031] Please refer to Figures 1-7, this embodiment provides a shoulder joint trainer, which includes a shoulder ladder 1 and an auxiliary arm 2. One end of the auxiliary arm 2 is slidably arranged on the side wall of the shoulder ladder 1, and the other end of the auxiliary arm 2 is detachably worn on the upper arm of the patient's arm. The patient's arm extends straight out in front of the shoulder ladder 1, and the palm surface of the patient is in close contact with the front end surface of the shoulder ladder 1 and moves up and down along the setting direction of the ladder. The auxiliary arm 2 slides on the side wall of the shoulder ladder 1 following the swing of the upper arm of the patient's arm. The auxiliary arm 2 has a braking function, and the auxiliary arm 2 can lock or release its sliding fit relationship with the shoulder ladder 1 through the braking function; by providing the auxiliary arm 2, when the patient is using the shoulder ladder 1 for shoulder joint activity training, once the patient's upper limb shows shoulder weakness, the auxiliary arm 2 will adopt the braking function and lock at the current position of the shoulder ladder 1, so as to keep the auxiliary arm 2 supporting the patient's shoulder joint unchanged, preventing the patient's upper limb from falling suddenly due to shoulder weakness, and further aggravating the patient's strain on the soft tissues around the damaged shoulder joint. This solves the problem that when a patient with a damaged shoulder joint uses the shoulder ladder 1 for shoulder joint activities, the patient gradually increases the range of shoulder joint activities by continuously moving the fingers up or down along the end surface of the shoulder ladder 1 to perform restorative training for the shoulder joint movement disorder. However, during the actual training process, when the patient's fingers move along the shoulder ladder 1 to the highest height they can reach, it is easy to cause pain and weakness in the patient's shoulder joint, and then the patient's upper limb will fall suddenly due to weakness, further aggravating the patient's strain on the soft tissues around the damaged shoulder joint.

[0032] Specifically, in this solution, the shoulder ladder 1 includes a vertical plate 101, a bent plate 102 and a plurality of ladder teeth 103. The bent plate 102 is 1 / 4 of a circular ring. The bottom surface of the bent plate 102 is arranged in close contact with the top surface of the vertical plate 101. The front end surface of the bent plate 102 and the front end surface of the vertical plate 101 together form a sliding surface, and a plurality of ladder teeth 103 are arranged at equal intervals on the sliding surface along the setting direction of the sliding surface. It should be noted that the ladder teeth 103 in this solution are used to prevent the patient's upper limb from falling suddenly due to weakness when the patient's shoulder joint shows weakness during shoulder joint training; during actual shoulder joint training, the patient's palm can only slide gently on the ladder teeth 103, and cannot place the fingers on the ladder teeth 103. Otherwise, the patient only uses the fingers to exert force to climb up, thereby driving the flexion and elevation of the shoulder joint, without really exercising the muscles around the shoulder joint, only passively increasing the range of motion of the shoulder joint, rather than actively increasing the range of motion of the shoulder joint. Therefore, the training and rehabilitation effect of the patient placing the fingers on the ladder teeth 103 is generally average.

[0033] Specifically, the auxiliary arm 2 of this solution includes a sliding unit 3, an auxiliary frame 4, and an adjustment pad 5. An installation slot is formed in the middle of the auxiliary frame 4, and the adjustment pad 5 is arranged in the installation slot. The upper arm of the patient's arm is worn on the upper arm of the patient's arm through the cooperation with the installation slot, and a sliding slot is jointly formed by the side walls of the vertical plate 101 and the bent plate 102. The setting direction of the sliding slot is the same as the setting direction of the shoulder ladder 1. The sliding unit 3 is slidably arranged on the sliding slot, and one end of the auxiliary frame 4 is connected to the sliding unit 3. In this solution, by setting the auxiliary frame 4, the auxiliary frame 4 is worn on the upper arm of the patient's arm through the cooperation of the installation slot and the upper arm of the patient's arm. When the upper arm of the patient's arm moves towards the top, the acting force will be transmitted to the sliding unit 3 through the auxiliary frame 4, and then the sliding unit 3 moves towards the top of the sliding slot along the setting direction of the sliding slot. When the upper arm of the patient's arm moves towards the bottom, the acting force will be transmitted to the sliding unit 3 through the auxiliary frame 4, and then the sliding unit 3 moves towards the bottom of the sliding slot along the setting direction of the sliding slot. In addition, it is also worth noting that through such a setting, the muscles and range of motion around the shoulder joint can be actively improved, which is more beneficial to the rehabilitation of the patient's shoulder joint. The purpose of setting the adjustment pad 5 is that through its flexible material, the auxiliary frame 4 can adapt to patients with different arm circumferences for wearing. It should also be noted that the auxiliary frame 4 of this solution is hinged to the telescopic unit 9 of the subsequent structure. Such a setting can wear the auxiliary frame 4 on the upper arm of the patient's arm by adjusting the angle of the auxiliary frame 4.

[0034] According to the above embodiment, there is a situation where the patient's shoulder joint is damaged, resulting in the patient not having enough strength to push the sliding unit 3 to move. Based on this, to solve this problem, the sliding unit 3 of this solution includes a sliding block 301, a sliding wheel 302, and a sliding motor 303. The sliding block 301 is slidably arranged on the sliding slot. A rotating slot is formed in the sliding block 301. The sliding wheel 302 is rotatably arranged in the rotating slot. The outer side wall of the sliding wheel 302 is attached to the side wall of the sliding slot. The sliding motor 303 is arranged on the sliding block 301. The output end of the sliding motor 303 is coaxially connected to the sliding wheel 302. The sliding block 301 is hinged to one end of the auxiliary frame 4. By setting the sliding motor 303, when the sliding motor 303 receives a forward rotation instruction, the sliding motor 303 starts to work, controls the sliding wheel 302 to rotate forward, and then drives the sliding block 301 to move towards the top of the sliding slot. When the sliding motor 303 receives a reverse rotation instruction, the sliding motor 303 starts to work, controls the sliding wheel 302 to rotate in reverse, and then drives the sliding block 301 to move towards the bottom of the sliding slot. The setting of the sliding motor 303 is equivalent to a boost, helping patients with less strength to assist the sliding block 301 to slide. Such a setting can enable the patient's shoulder joint to move while actively improving the muscles around the patient's shoulder joint, which is more beneficial to the rehabilitation of the patient's shoulder joint.

[0035] According to the above embodiments, the sliding motor 303 starts to work only after receiving an instruction. In order to ensure that the instruction received by the sliding motor 303 is associated with the movement of the patient's shoulder joint lifting or sinking, the auxiliary arm 2 of this solution further includes two pressure modules 6 and a control chip 7. Both pressure modules 6 are arranged in the adjustment pad 5. The two pressure modules 6 are respectively located at the upper and lower ends of the installation slot hole, and are respectively used to detect the acting force between the upper part of the patient's upper arm and the auxiliary frame 4 and the acting force between the lower part of the patient's upper arm and the auxiliary frame 4; the control chip 7 is respectively communicatively connected to the two pressure modules 6 and the sliding motor 303. The control chip 7 controls the rotation direction of the sliding motor 303 according to the data transmitted back by the two pressure modules 6. It should be noted that the value detected by the pressure module 6 located at the upper end of the installation slot hole in this solution is F1, and the value detected by the pressure module 6 located at the lower end of the installation slot hole is F2. When the patient's shoulder joint moves upward towards the top, the upper arm of the patient's arm exerts an acting force on the pressure module 6 located at the upper end of the installation slot hole. At this time, F1 > F2. After the control chip 7 receives the data of the two pressure modules 6, it controls the sliding motor 303 to rotate forward; similarly, when the patient's shoulder joint sinks towards the bottom, the upper arm of the patient's arm exerts an acting force on the pressure module 6 located at the lower end of the installation slot hole. At this time, F2 > F1. After the control chip 7 receives the data of the two pressure modules 6, it controls the sliding motor 303 to rotate in reverse. It should be noted that the auxiliary frame 4 of this solution is also provided with a position sensor, and the position sensor is used to detect the position change of the auxiliary frame 4; generally speaking, when the patient controls the upper arm to exert an acting force on the auxiliary frame 4, the moving speed of the auxiliary frame 4 is within a certain range, that is, the position change of the auxiliary frame 4 is within a certain range within a certain period of time. This range is preset in the position sensor as a threshold. When the patient is performing shoulder joint rehabilitation training, the patient's upper limb will fall rapidly due to weakness. At this time, the position sensor detects that the position change speed of the auxiliary frame 4 exceeds the preset threshold, and the position sensor will communicate with the control chip 7. Then, the control chip 7 controls the sliding unit 3 to adopt a braking function to prevent the auxiliary frame 4 from continuing to slide and ensure that the patient's shoulder joint no longer moves.

[0036] In addition, according to the above embodiments, in order to prevent the situation where the patient drives the flexion and elevation of the shoulder joint by pressing the fingers on the ladder teeth 103 during the rehabilitation training, the auxiliary arm 2 of this solution further includes a plurality of detection modules 8. The plurality of detection modules 8 are in one-to-one correspondence with the plurality of ladder teeth 103. Any detection module 8 is arranged in the corresponding ladder tooth 103. The detection module 8 is used to detect whether the patient's palm presses on the ladder tooth 103. The detection module 8 is communicatively connected to the control chip 7. When the patient's finger presses on the ladder tooth 103, the corresponding detection module 8 can detect the pressure value, and then the detection module 8 transmits the signal to the control chip 7. The control chip 7 will issue an alarm for medical staff to check whether the patient's rehabilitation training is standardized.

[0037] Due to the designed shape of the shoulder ladder 1 in this solution, the distance between the sliding block 301 and the auxiliary frame 4 is constantly changing. In order to ensure that the sliding of the sliding block 301 and the swinging of the auxiliary frame 4 are not affected, the auxiliary arm 2 of this solution further includes a telescopic unit 9. The telescopic unit 9 includes a telescopic housing 901, a telescopic rod 902 and a rotating rod 903. One end of the telescopic rod 902 is connected to one end of the auxiliary frame 4 close to the sliding unit 3. The sliding block 301 is provided with a hinged slot hole. The central axis of the hinged slot hole is perpendicular to the surface of the sliding block 301, that is, the central axis of the hinged slot hole is perpendicular to the end face of the sliding slot hole. One end of the rotating rod 903 is rotatably arranged on the hinged slot hole. The other end of the rotating rod 903 is connected to the telescopic housing 901. The inside of the telescopic housing 901 is provided with a telescopic slot hole. The other end of the telescopic rod 902 is slidably arranged in the telescopic slot hole. By the telescopic change of the telescopic rod 902 in the telescopic housing 901, it is adapted to the constantly changing distance between the sliding block 301 and the auxiliary frame 4.

[0038] According to the above embodiments, in order to realize the braking function of the sliding unit 3, the auxiliary arm 2 of this solution further includes a braking unit 10. The braking unit 10 further includes a braking cylinder 1001 and a braking block 1002. A braking slot hole is penetrated through the center of the sliding block 301. The braking slot hole communicates with the sliding slot hole. The braking block 1002 is slidably arranged in the braking slot hole. The braking cylinder 1001 is arranged on the sliding block 301. The output end of the braking cylinder 1001 is connected to the braking block 1002. The braking block 1002 can lock or release its fitting relationship with the sliding slot hole. The control chip 7 is communicatively connected to the braking cylinder 1001. When the control chip 7 drives the braking cylinder 1001 to work, the output end of the braking cylinder 1001 moves towards the bottom of the braking slot hole until the braking block 1002 is in contact with the sliding slot hole, realizing the braking function of the sliding block 301.

[0039] In addition, it is also worth noting that according to the above embodiments, for the braking function of this solution, it is necessary to ensure that the auxiliary frame 4 is also in a braking state, that is, the auxiliary frame 4 cannot continue to change its position. Therefore, when the sliding block 301 is in a braking state, the telescopic unit 9 needs to be in a state where it cannot be telescoped. Based on this, the braking unit 10 of this solution further includes a fixing plate 1003, a pressing plate 1004, a pressing block 1005, a hinge rod 1006, a connecting rod 1007, and a return spring 1008. The fixing plate 1003 is arranged on the telescopic housing 901. A pressing groove hole is opened at one end of the telescopic housing 901 close to the auxiliary frame 4. The pressing groove hole communicates with the telescopic groove hole. The pressing block 1005 is slidably arranged in the pressing groove hole. The middle end of the hinge rod 1006 is rotatably hinged to the fixing plate 1003. One end of the pressing block 1005 extending out of the pressing groove hole is slidably hinged to one end of the hinge rod 1006 along the axis direction of the hinge rod 1006. The middle end of the connecting rod 1007 is rotatably hinged to the fixing plate 1003. The connecting rod 1007 is located between the braking cylinder 1001 and the hinge rod 1006. One end of the connecting rod 1007 close to the hinge rod 1006 is slidably hinged to the other end of the hinge rod 1006 along the axis direction of the hinge rod 1006. The two ends of the return spring 1008 are respectively connected to the end of the hinge rod 1006 close to the connecting rod 1007 and the telescopic housing 901. The pressing plate 1004 is connected to the output end of the braking cylinder 1001. The pressing plate 1004 is located at the top outside the sliding block 301. The area where the pressing plate 1004 projects onto the top surface of the telescopic housing 901 always coincides with one end of the connecting rod 1007 close to the braking cylinder 1001. The pressing block 1005 can lock or release its abutting and fitting relationship with the telescopic rod 902. Through such a setting, when the output end of the braking cylinder 1001 controls the braking block 1002 to fit with the sliding groove hole, the output end of the braking cylinder 1001 will also control the pressing plate 1004 to press one end of the connecting rod 1007, so that the other end of the connecting rod 1007 moves upward, and then drives the hinge rod 1006 hinged to the other end of the connecting rod 1007 to move upward, and finally controls the other end of the hinge rod 1006 to move downward, realizing the abutting and fitting relationship between the pressing block 1005 and the telescopic rod 902, thereby restricting the telescopic rod 902 from sliding along the inside of the telescopic housing 901. It is worth noting that when the output end of the braking cylinder 1001 is reset, the pressing block 1005 is also reset, and its abutting and fitting relationship with the telescopic rod 902 is released.

[0040] In addition, when the slider 301 of this solution is in the braking state, the rotatable state between the auxiliary frame 4 and the slider 301 needs to be converted into a non-rotatable state. Based on this, the braking unit 10 of this solution further includes an abutting block 1009, an abutting rod 1010, and a driving rod 1011. The slider 301 is further provided with an abutting groove hole, and the abutting groove hole is respectively communicated with the hinged groove hole and the braking groove hole. The abutting block 1009 is slidably disposed in the abutting groove hole, the abutting rod 1010 is slidably disposed in the abutting groove hole, one end of the abutting rod 1010 is connected to the abutting block 1009, the other end of the abutting rod 1010 extends into the braking groove hole, and both ends of the driving rod 1011 are respectively hinged to the output end of the braking cylinder 1001 and the other end of the abutting rod 1010. The abutting block 1009 can lock or release its abutting and fitting relationship with the rotating rod 903; through such a setting, when the output end of the braking cylinder 1001 controls the brake block 1002 to fit with the sliding groove hole, the output end of the braking cylinder 1001 will also control the driving rod 1011 to rotate, so that the driving rod 1011 is converted from its original inclined state into a straight state that is horizontal with the central axis of the abutting groove hole. Furthermore, the driving rod 1011 will drive the abutting rod 1010 to slide along the abutting groove hole until the abutting block 1009 abuts and fits with the rotating rod 903, restricting the rotation of the rotating rod 903; it should be noted that when the output end of the braking cylinder 1001 is reset, the abutting block 1009 is also reset and releases its abutting and fitting relationship with the rotating rod 903.

[0041] The above is only a preferred embodiment of the present invention, and does not impose any form of limitation on the present invention. Although the present invention has been disclosed above with the preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments by using the above-disclosed technical content within the scope of the technical solution of the present invention. However, as long as it does not depart from the content of the technical solution of the present invention, any brief modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A shoulder joint trainer, characterized in that: It includes a shoulder ladder and an auxiliary arm, one end of the auxiliary arm is slidably set on the side wall of the shoulder ladder, and the other end of the auxiliary arm is detachably worn on the upper arm of a patient. The patient's arm is straightly extended in front of the shoulder ladder, the palm surface of the patient is in contact with the front end surface of the shoulder ladder, and moves up and down along the setting direction of the shoulder ladder. The auxiliary arm slides on the side wall of the shoulder ladder following the swing of the upper arm of the patient's arm. The auxiliary arm has a braking function, and the auxiliary arm can lock or release its sliding cooperation relationship with the shoulder ladder through the braking function.

2. A shoulder joint training device according to claim 1, characterized in that: The shoulder ladder includes a vertical plate, a curved plate and a plurality of ladder teeth. The curved plate is a 1 / 4 part of a circular ring. The bottom surface of the curved plate and the top surface of the vertical plate are arranged in contact with each other. The front end surface of the curved plate and the front end surface of the vertical plate jointly form a sliding surface. A plurality of ladder teeth are arranged on the sliding surface at equal intervals along the setting direction of the sliding surface.

3. A shoulder joint training device according to claim 2, characterized in that: The auxiliary arm includes a sliding unit, an auxiliary frame and an adjustment pad. A mounting slot is opened in the middle of the auxiliary frame, and the adjustment pad is arranged in the mounting slot. The upper arm of the patient's arm cooperates with the mounting slot to realize that the auxiliary frame is worn on the upper arm of the patient's arm. The side walls of the vertical plate and the curved plate are jointly formed with a sliding slot. The setting direction of the sliding slot is the same as the setting direction of the shoulder ladder. The sliding unit can be slidably set on the sliding slot, and one end of the auxiliary frame is connected to the sliding unit.

4. A shoulder joint training device according to claim 3, characterized in that: The sliding unit includes a sliding block, a sliding wheel and a sliding motor. The sliding block is slidably arranged on the sliding slot hole. The sliding block is provided with a rotating slot. The sliding wheel is rotatably arranged in the rotating slot. The outer side wall of the sliding wheel is in contact with the side wall of the sliding slot hole. The sliding motor is arranged on the sliding block. The output end of the sliding motor is coaxially connected to the sliding wheel. The sliding block is hinged to one end of the auxiliary frame.

5. A shoulder joint training device according to claim 4, characterized in that: The auxiliary arm also includes two pressure modules and a control chip. The two pressure modules are both arranged in the adjustment pad. The two pressure modules are respectively located at the upper and lower ends of the installation slot, and are respectively used to detect the force between the upper part of the patient's upper arm and the auxiliary frame and the force between the lower part of the patient's upper arm and the auxiliary frame; the control chip is respectively communicated with the two pressure modules and the sliding motor, and the control chip controls the rotation direction of the sliding motor according to the data transmitted back by the two pressure modules.

6. A shoulder joint training device according to claim 5, characterized in that: The auxiliary arm also includes a plurality of detection modules, which are matched one-to-one with a plurality of ladder teeth. Any of the detection modules is arranged in a corresponding ladder tooth. The detection module is used to detect whether the palm of the patient is pressed on the ladder tooth. The detection module is communicatively connected with the control chip.

7. A shoulder joint training device according to claim 4, characterized in that: The auxiliary arm also includes a telescopic unit, which includes a telescopic shell, a telescopic rod and a rotating rod. One end of the telescopic rod is connected to an end of the auxiliary frame close to the sliding unit. The sliding block is provided with a hinge slot. The central axis of the hinge slot is perpendicular to the surface of the sliding block. One end of the rotating rod is rotatably arranged on the hinge slot. The other end of the rotating rod is connected to the telescopic shell. A telescopic slot is provided inside the telescopic shell. The other end of the telescopic rod is slidably arranged in the telescopic slot.

8. A shoulder joint training device according to claim 7, characterized in that: The auxiliary arm also includes a braking unit, which also includes a brake cylinder and a brake block. A brake slot hole is opened through the center of the sliding block, and the brake slot hole is communicated with the sliding slot hole. The brake block can be slidably arranged in the brake slot hole. The brake cylinder is arranged on the sliding block, and the output end of the brake cylinder is interconnected with the brake block. The brake block can lock or release its mutual fitting relationship with the sliding slot hole.

9. A shoulder joint training device according to claim 8, characterized in that: The brake unit also includes a fixed plate, a pressing plate, a pressing block, a hinge rod, a connecting rod and a return spring, wherein the fixed plate is arranged on the telescopic shell, and a pressing slot hole is provided at one end of the telescopic shell close to the auxiliary frame, the pressing slot hole is communicated with the telescopic slot hole, the pressing block can be slidably arranged in the pressing slot hole, the middle end of the hinge rod can be rotatably hinged to the fixed plate, the end of the pressing block extending out of the pressing slot hole can be slidably hinged to one end of the hinge rod along the axial direction of the hinge rod, the middle end of the connecting rod can be rotatably hinged to the fixed plate, and the The connecting rod is located between the brake cylinder and the articulated rod, and one end of the connecting rod close to the articulated rod can be hinged to the other end of the articulated rod by sliding along the axial direction of the articulated rod. The two ends of the return spring are respectively connected to the end of the articulated rod close to the connecting rod and the telescopic shell, and the pressing plate is connected to the output end of the brake cylinder. The pressing plate is located on the top of the sliding block, and the area of ​​the pressing plate projected on the top surface of the telescopic shell coincides with the end of the connecting rod close to the brake cylinder. The pressing block can lock or release its abutting relationship with the telescopic rod.

10. A shoulder joint training device according to claim 9, characterized in that: The braking unit also includes an abutment block, an abutment rod and a driving rod. The sliding block is also provided with an abutment slot hole, which is respectively connected with the hinge slot hole and the braking slot hole. The abutment block can be slidably arranged in the abutment slot hole, and the abutment rod can be slidably arranged in the abutment slot hole. One end of the abutment rod is connected with the abutment block, and the other end of the abutment rod extends into the braking slot hole. The two ends of the driving rod are respectively hinged to the output end of the brake cylinder and the other end of the abutment rod. The abutment block can lock or release its abutting relationship with the rotating rod.

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