CN211245382U

CN211245382U - Multifunctional ligament stretcher

Info

Publication number: CN211245382U
Application number: CN201921317552.XU
Authority: CN
Inventors: 任俊学; 戴飞; 范虓杰; 文蕴铭; 赵晓雪; 赵学星; 高朋帅; 张丹妮; 赵晓婷; 伍姣姣; 田京鹏; 钱炜; 石占魁
Original assignee: University of Shanghai for Science and Technology
Current assignee: University of Shanghai for Science and Technology
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-08-14
Anticipated expiration: 2029-08-14

Abstract

The utility model relates to a multi-functional ligament stretcher, including the frame, locate the conveyer belt subassembly in the frame, locate the frame and be located the foot groove of conveyer belt subassembly one end and the drive assembly who is connected with the conveyer belt subassembly transmission, the last fixed subassembly of limbs that is equipped with of conveyer belt subassembly, drive assembly passes through the conveyer belt subassembly and drives the fixed subassembly reciprocating motion of limbs. Compared with the prior art, the utility model has more stretching modes, and can meet the stretching of the transverse fork, the stretching of the vertical fork and the stretching of the sitting type single leg ligament; the utility model realizes machine-assisted stretching by driving two conveyor belts which move reversely by the motor, and adds oscillating stretching in the stretching process to improve the stretching efficiency; the utility model discloses a tensile limit test process test user's tensile limit to confirm tensile scope, make tensile process more intelligent reasonable.

Description

Multifunctional ligament stretcher

Technical Field

The utility model belongs to the technical field of sports training and rehabilitation training, a multi-functional ligament stretcher is related to.

Background

With the modernization degree of life deepening, the rhythm of life is faster and faster, a 'head-lowering group' appears, white-collar workers who are not active for a long time sit down also come, and cervical vertebra pain, lumbar vertebra pain and other various arthralgia come. In order to improve the physical quality of people and meet the increasing physical demands of people, China sets up a national fitness day, raises the sports hot tide of national fitness, and sports fitness activities all over the country are more vigorous. Wherein marathon, sprint, long distance running, road running, cross country running, etc. are popular among people. While body toughness is critical in various athletic activities. The problem with this is that most people do not have a proper means of stretching the ligaments, or do not achieve good fitness because of inadequate stretching, or are pulled too far. At this time, the emergence of ligament stretcher has solved people's urgent need.

Numerous ligament stretchers are also available in the market, roughly three types:

the first type, manual adjustment, force, is not fixed. One of them kind is including two pneumatic columns, air pump, horizontal pole (being used for placing the ankle), remote controller and controller, and the air pump is aerifyd in to the column casing of pneumatic column for piston and post upward movement, people can control the air pump inflation volume through the remote controller, determine the height of horizontal pole, can also be through aerifing the gassing simultaneously, make the horizontal pole relapse up-and-down motion, in order to realize tensile ligament. In addition, when the leg stretching machine is used, a user can hold the grab handle by hand, stretch feet into the supporting frame to step on the pedal, stretch the elastic ropes as much as possible when doing leg stretching exercises, and forcibly step on the pedal by the feet to stretch ligaments. But above ligament stretcher can not fix the foot, very easily causes the underfoot to skid and fall down, has the potential safety hazard, and because structure and design problem, can only realize horizontal stretching, and the alternative is little.

And in the second type, the force is manually adjusted and can be fixed. Comprises a chassis, 2 foot-falling pools, 2 foot-falling grooves, a movable base, a straight arm, a short arm, a handrail and the like. When people stretch ligaments, protection is provided through the handrails, and meanwhile the height of the handrails changes along with the change of the distance between the foot-falling pools, so that transverse stretching is achieved. The other type comprises 2 upright posts, a sliding chute, a sliding block, a positioning bolt, a lower waist rod, a leg pressing rod and a safety rod. This ligament stretching device, lower waist pole can reciprocate along with the slider, and height can be adjusted wantonly, keeps off sole and safety lever and plays the effect of keeping off at the leg pressing in-process, avoids the underfoot to skid and tumble, also can hand safety lever, increases the safety of taking exercise. The selectivity of such devices is also small.

And the third category, full mechanical, fixable. The device comprises a stand column, an upper cross beam, a lower cross beam, a stand column, a sliding chute, a movable plate, an electric push rod, a power switch, a rubber pad and the like. Through setting up the fly leaf, the human body is when the training, puts the ankle behind the rubber pads position, and manual regulation electric putter through switch upwards promotes the fly leaf, to suitable position, and the handle is held to both hands, carries out vertical shank ligament tensile training. But the device is expensive, large in size, heavy, not easy to move, can only realize transverse fork stretching, and is low in cost performance, so that the device is not suitable for daily ligament stretching of people.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multifunctional ligament stretcher for overcoming the defects of the prior art.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides a multi-functional ligament stretcher, includes the frame, locate conveyer belt subassembly in the frame, locate in the frame and be located the foot groove of conveyer belt subassembly one end and the drive assembly who is connected with the conveyer belt subassembly transmission, the conveyer belt subassembly on be equipped with the fixed subassembly of limbs, drive assembly pass through the conveyer belt subassembly and drive the fixed subassembly reciprocating motion of limbs.

The user passes through the utility model discloses can realize that the shank ligament is tensile. The utility model discloses be equipped with perpendicular fork tensile mode and horizontal fork tensile mode. The user can be fixed in the foot groove respectively with both feet and the fixed subassembly of limbs when using this ligament elongator to erect fork or violently pitch when tensile, starts drive assembly for thereby the fixed subassembly reciprocating motion of limbs realizes ligament oscillation stretching function.

Furthermore, the conveyor belt assembly comprises two conveyor belts which are arranged on the rack in parallel, and the two conveyor belts are provided with limb fixing assemblies.

The utility model is also provided with a sitting type single-leg ligament stretching mode, namely, a user sits in the foot groove, when the user stretches the left leg, the left leg is fixed on the left side conveyor belt, the limb fixing component on the right side conveyor belt is pulled by hand, the right side conveyor belt starts transmission work, the left side conveyor belt keeps static, and the body of the user is stretched forwards along with the right side conveyor belt; when the user stretches the right leg, the right leg is fixed on the conveying belt, the limb fixing component on the left conveying belt is pulled by hand, then the left conveying belt starts to drive, the right conveying belt keeps static, and the body of the user stretches forwards along with the left conveying belt.

Meanwhile, the stretching function of the vertical fork can be realized by respectively fixing the two feet on the limb fixing components of the two conveyor belts.

Furthermore, the limb fixing component comprises a plurality of rope rings which are arranged on the conveyor belt along the conveying direction of the conveyor belt, the feet or the legs of the user are fixed through the rope rings, and the plurality of rope rings can improve the stability of fixing the legs or the feet of the user.

As a preferred technical scheme, the rope ring and the conveyor belt are detachably connected, for example, a plurality of metal rings can be symmetrically arranged on two sides of the conveyor belt, telescopic rods are arranged on the metal rings, the telescopic rods retract, gaps are formed in the metal rings, the telescopic rods stretch, the metal rings are closed to form a ring, the rope ring can pass through the metal rings through the telescopic rods, and the number of the rope rings is set according to the requirement.

Furthermore, a force sensor and a displacement sensor are arranged on the conveyor belt.

The force sensor is used for detecting the ligament stretching capacity of a user and testing the ligament stretching limit of the user, namely when the resistance detected by the force sensor is larger than a set value, the ligament of the user is considered to reach the stretching limit, the running distance of the conveyor belt is recorded through the displacement sensor to serve as the stretching limit distance, and the stretching range of the oscillating stretching is established by taking the stretching limit distance as a reference. For example, the ligament ability of the user can be further improved by using the front and back 3% of the stretching reference as the stretching range and starting the reciprocating oscillating stretching by the conveyor belt.

Further, the ligament stretcher further comprises a controller and a system display screen, wherein the controller is electrically connected with the driving assembly, the force sensor and the displacement sensor respectively, and the system display screen is electrically connected with the controller. The user controls the switch of the ligament stretcher, inputs physiological information parameters and selects a working mode, such as a transverse fork stretching mode, a vertical fork stretching mode or a sitting type single-leg ligament stretching mode, through the controller. The system display screen is used for displaying the information such as the maximum distance, the duration and the physiological information of the user, such as height, weight, working mode and the like.

Further, the driving assembly comprises a roller in transmission connection with the conveyor belt and a servo driving motor in transmission connection with the roller, and the servo driving motor is electrically connected with the controller. The servo driving motor drives the conveyor belt to work through the roller.

Furthermore, the bottom of the rack is provided with a base, and the servo drive motor is arranged on the base. The base is used for improving the holistic stability of this ligament elongator.

Furthermore, a display screen support is arranged between the system display screen and the rack, and the system display screen is fixed on the rack through the display screen support.

Furthermore, handrail supports fixedly connected with the rack are arranged on two sides of the conveyor belt assembly, and handrails are arranged on the handrail supports.

As the preferred technical scheme, the handrails are arc handrails which are bent downwards, so that a user can better keep the body posture in the use process, and the safety in use is improved.

Furthermore, a displacement controller and an emergency brake switch which are respectively electrically connected with the driving component are arranged on the handrail. The displacement controller is convenient for a user to adjust the initial position of the rope ring on the conveyor belt so as to adapt to the stature and the use requirement of the user; the emergency brake switch can instantly cut off the power of the ligament stretcher so as to protect a user in an emergency.

The working principle is as follows: the user can realize that the shank ligament is tensile through this multi-functional ligament elongator. The multifunctional ligament stretcher is provided with a vertical fork stretching mode, a transverse fork stretching mode and a sitting type single-leg ligament stretching mode.

The device comprises a vertical fork stretching mode and a transverse fork stretching mode, wherein a user respectively fixes two feet on a foot groove and a corresponding rope ring, a servo driving motor drives the rope ring to reciprocate through a roller and a conveyor belt, and the vertical fork or the transverse fork ligament is stretched in an oscillating mode according to the standing position of the user;

the tensile mode of sitting posture list leg ligament, the user sits in the foot groove, and tensile leg passes through the becket bridle and is fixed in on the corresponding one side conveyer belt, and the becket bridle on the opposite side conveyer belt is pulled to the hand, and servo drive motor passes through roller and conveyer belt and drives this side becket bridle reciprocating motion, and user's health is tensile or reset along with the conveyer belt forward to it is tensile to realize the ligament oscillation.

The working process of the multifunctional ligament stretcher comprises stretching information input and stretching mode selection, stretching limit test and ligament stretching.

Stretch information input and stretch mode selection: the physiological information of the user is input through the controller, the stretching mode is selected, and relevant stretching information such as stretching speed, stretching test set resistance, stretching range coefficient, stretching times, continuous stretching distance, continuous stretching time and the like is input. The controller makes a stretching plan according to the previous use condition of the user and the input stretching information.

And (3) tensile limit test: before stretching, a user needs to perform a stretching limit test, the user positions according to a selected stretching mode, the corresponding conveyor belt works at a set stretching speed through the controller, the force detector detects the resistance between the user and the conveyor belt in the stretching process, when the resistance is larger than the set resistance of the stretching test, the conveyor belt stops working, the displacement sensor records the movement distance of the conveyor belt in the process, the movement distance is used as a stretching limit distance and is fed back to the controller, the controller determines the stretching range after the stretching range according to a stretching range coefficient, and if the input stretching range coefficient is 3%, the front and back 3% of the stretching limit distance are used as the stretching range.

Ligament stretching: the controller controls the rope rings on the corresponding conveyor belts to work in a reciprocating mode within a limited stretching range according to the stretching mode, the stretching plan and the stretching range, monitors the movement distance of the conveyor belts through the displacement sensor to realize the oscillating stretching function, and when the oscillating stretching times reach the set stretching times, the conveyor belts maintain the set continuous stretching time, such as 10s, at the set continuous stretching distance to perform continuous stretching.

After the stretching is finished, the controller can keep the physiological information, the stretching limit and other data of the user in the stretching process and display the data on a system display screen.

The utility model discloses multi-functional ligament stretcher has set up the conveyer belt and can realize automatic tensile, reduces the manpower, carries out the ligament comparatively easily and stretches, has guaranteed the safety of exercise process simultaneously, can also carry out the cross-arm and stretch, erect that multiple modes such as fork is tensile, the single foot is tensile realize tensile ligament. And the scale bar and the automatic display screen can display the human body data and the stretching degree in real time, protect the human body and prevent over stretching.

Compared with the prior art, the utility model has the characteristics of it is following:

1) compared with the existing stretching equipment which has single function and can only aim at a certain stretching form, the utility model can not only meet the stretching of the transverse fork and the vertical fork, but also realize the stretching of the sitting type single-leg ligament;

2) the utility model has high stretching efficiency, compared with the prior stretching equipment which mainly stretches by manpower or dead weight, the utility model realizes machine-assisted stretching by driving two reversely moving conveyor belts by a motor, and adds oscillating stretching in the stretching process to improve the stretching efficiency;

3) the utility model tests the stretching limit of the user through the stretching limit test process and determines the stretching range, so that the stretching process is more intelligent and reasonable;

4) the user can utilize the utility model discloses measure ligament tensile ability to tensile scheme is formulated to the science, the establishment database, and the tensile condition of real-time tracking ligament.

Drawings

Fig. 1 is a schematic structural view of a multifunctional ligament stretcher according to the present invention;

fig. 2 is a front view of a multifunctional ligament stretcher according to the present invention;

fig. 3 is a left side view of the multifunctional ligament stretcher of the present invention;

fig. 4 is a top view of a multifunctional ligament stretcher according to the present invention;

the notation in the figure is:

the display screen comprises a base 1, a frame 2, a rope ring 3, a conveyor belt 4, a handrail 5, a foot groove 6, a system display screen 7, a display screen support 8 and a handrail support 9.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example 1:

as shown in fig. 1, 2, 3 and 4, the multifunctional ligament stretcher comprises a frame 2, a conveyor belt assembly arranged on the frame 2, a foot groove 6 arranged on the frame 2 and located at one end of the conveyor belt assembly, and a driving assembly in transmission connection with the conveyor belt assembly, wherein a limb fixing assembly is arranged on the conveyor belt assembly, and the driving assembly drives the limb fixing assembly to reciprocate through the conveyor belt assembly.

The user can realize that the shank ligament is tensile through this multi-functional ligament elongator. The multifunctional ligament stretcher is provided with a vertical fork stretching mode and a transverse fork stretching mode. When the user uses the ligament stretcher to erect the fork or transversely fork and stretch, the user can be fixed on the foot groove 6 and the limb fixing component respectively with both feet, and the driving component is started, so that the limb fixing component can reciprocate to realize the ligament oscillation stretching function.

The conveyor belt assembly comprises two conveyor belts 4 which are arranged on the frame 2 in parallel, and the two conveyor belts 4 are provided with limb fixing assemblies.

The multifunctional ligament stretcher is also provided with a sitting type single-leg ligament stretching mode, namely, a user sits in the foot groove 6, when the user stretches the left leg, the left leg is fixed on the left side conveyor belt 4, the limb fixing component on the right side conveyor belt 4 is pulled by hand, the right side conveyor belt 4 starts to drive, the left side conveyor belt 4 keeps static, and the body of the user stretches forwards along with the right side conveyor belt 4; when the user stretches the right leg, fix the right leg on conveyer belt 4, hand power is drawn the fixed subassembly of limbs on the left side conveyer belt 4, then left side conveyer belt 4 begins transmission work, and right side conveyer belt 4 keeps static, and user's health is along with left side conveyer belt 4 is tensile forward.

Meanwhile, the stretching function of the vertical fork can be realized by respectively fixing the two feet on the limb fixing components of the two conveyor belts 4.

The limb fixing component comprises a plurality of rope loops 3 which are arranged on the conveyor belt 4 along the conveying direction of the conveyor belt 4, the feet or the legs of the user are fixed through the rope loops 3, and the stability of fixing the legs or the feet of the user can be improved through the plurality of rope loops 3.

The conveyor belt 4 is provided with a force sensor and a displacement sensor.

The force sensor is used for detecting the ligament stretching capacity of a user and testing the ligament stretching limit of the user, namely when the resistance of the detection side of the force sensor is larger than a set value, the ligament of the user is considered to reach the stretching limit, the running distance of the conveyor belt 4 is recorded through the displacement sensor to serve as the stretching limit distance, and the stretching range of the oscillating stretching is established by taking the stretching limit distance as a reference. For example, the ligament ability of the user can be further improved by starting the reciprocating oscillating stretching forward and backward by the conveyor belt 4 with the forward and backward 3% of the stretching reference as the stretching range.

The ligament stretcher further comprises a controller and a system display screen 7, wherein the controller is electrically connected with the driving assembly, the force sensor and the displacement sensor respectively, and the system display screen 7 is electrically connected with the controller. The user controls the switch of the ligament stretcher, inputs physiological information parameters and selects a working mode, such as a transverse fork stretching mode, a vertical fork stretching mode or a sitting type single-leg ligament stretching mode, through the controller. The system display screen is used for displaying the information such as the maximum distance, the duration and the physiological information of the user, such as height, weight, working mode and the like.

The driving component comprises a roller in transmission connection with the conveyor belt 4 and a servo driving motor in transmission connection with the roller, and the servo driving motor is electrically connected with the controller. The servo driving motor drives the conveyor belt 4 to work through the roller.

The bottom of the frame 2 is provided with a base 1, and the servo drive motor is arranged on the base 1. The base 1 is used for improving the overall stability of the ligament stretcher.

A display screen support 8 is arranged between the system display screen 7 and the frame 2, and the system display screen 7 is fixed on the frame 2 through the display screen support 8.

The two sides of the conveyor belt component are provided with handrail supports 9 fixedly connected with the frame 2, and the handrail supports 9 are provided with handrails 5.

The handrail 5 is an arc handrail which is bent downwards, so that a user can keep body posture better in the using process, and the safety in use is improved.

The armrest 5 is provided with a displacement controller and an emergency brake switch which are respectively electrically connected with the driving component. The displacement controller is convenient for a user to adjust the initial position of the rope ring 3 on the conveying belt 4 so as to adapt to the stature and the use requirement of the user; the emergency brake switch can instantly cut off the power of the ligament stretcher so as to protect a user in an emergency.

The working principle is as follows:

the user can realize that the shank ligament is tensile through this multi-functional ligament elongator. The multifunctional ligament stretcher is provided with a vertical fork stretching mode, a transverse fork stretching mode and a sitting type single-leg ligament stretching mode.

A vertical fork stretching mode and a transverse fork stretching mode, wherein a user respectively fixes two feet on the foot grooves 6 and the corresponding rope rings 3, the servo driving motor drives the rope rings 3 to reciprocate through the rollers and the conveyor belt 4, and the vertical fork or the transverse fork ligament is stretched in an oscillating mode according to the standing position of the user;

sitting posture list leg ligament stretch mode, the user sits in foot groove 6, and tensile leg passes through becket bridle 3 to be fixed in on corresponding one side conveyer belt 4, and the becket bridle 3 on the opposite side conveyer belt 4 is pulled in the hand, and servo drive motor passes through roller and conveyer belt 4 and drives this side becket bridle 3 reciprocating motion, and user's health is along with conveyer belt 4 is tensile forward or reset to it is tensile to realize the ligament oscillation.

And (3) tensile limit test: before stretching, a user needs to perform a stretching limit test, the user is in place according to a selected stretching mode, the corresponding conveyor belt 4 works at a set stretching speed through the controller, the force detector detects the resistance between the user and the conveyor belt 4 in the stretching process, when the resistance is larger than the set resistance of the stretching test, the conveyor belt 4 stops working, the displacement sensor records the movement distance of the conveyor belt 4 in the process, the movement distance is used as a stretching limit distance and is fed back to the controller, the controller determines the stretching range after the stretching range according to a stretching range coefficient, and if the input stretching range coefficient is 3%, the front and back 3% of the stretching limit distance are used as the stretching range.

Ligament stretching: the controller controls the rope rings 3 on the corresponding conveyor belts 4 to work in a reciprocating mode within a limited stretching range according to the stretching mode, the stretching plan and the stretching range, monitors the movement distance of the conveyor belts 4 through the displacement sensor to realize an oscillating stretching function, and when the oscillating stretching times reach the set stretching times, the conveyor belts 4 maintain the set continuous stretching time at the set continuous stretching distance to perform continuous stretching.

After the stretching is finished, the controller can keep the physiological information, stretching limit and other data of the user in the stretching process and display the data on the system display screen 7.

Example 2:

the working process of the multifunctional ligament stretcher in the embodiment 1 can also be broadly divided into user information input and stretching mode selection, stretching plan making, conveyor belt staged work, data recording processing and information display.

1) User information input and stretch mode selection:

the user inputs the relevant physiological information of the user such as height, weight, leg length and the like through the controller, and the system identifies the user and the relevant information;

the user selects the mode to be used through the controller according to the stretching requirement of the user, and the body of the user is fixed on the multifunctional ligament stretcher by using the correct posture.

2) Drawing plan making:

based on the user's previous frequency and effect of using the present multifunctional ligament stretcher, the selected stretching mode, and the entered stretching information, the controller initiates the stretching schedule and communicates instructions to the drive assembly to cause the conveyor belt 4 to begin preparation.

3) The conveyor belt works in stages:

on the basis of the recognition of the different stretching modes, the conveyor belt 4 starts to operate in different ways:

A. a transverse fork stretching mode and a vertical fork stretching mode:

in this mode, the user's feet are fixed to the foot grooves 6 and the rope loops 3, respectively, and the belt 4 on the side where the user's stretching legs are fixed starts to drive, and the stretching legs are driven forward along with the belt 4, and the user's legs are stretched forward.

B. Sitting posture single leg ligament stretching mode:

in this mode, when a user stretches the left leg, the left leg is fixed on the conveyor belt 4, the rope ring 3 on the right conveyor belt 4 is pulled by hand, the right conveyor belt 4 starts to drive, the left conveyor belt 4 keeps static, and the body of the user stretches forwards along with the right conveyor belt 4; when the user stretches the right leg, fix the right leg on right side conveyer belt 4, hand power is pulled and is held the becket bridle 3 on the conveyer belt 4 of left side, then left side conveyer belt 4 begins transmission work, and right side conveyer belt 4 keeps static, and user's health is along with 4 conveyer belts of left side transmission stretch forward.

Secondly, tensile limit measurement is carried out through a force sensor and a displacement sensor:

A. the force sensor judges the stretching limit:

when the conveyor belt 4 starts to stretch, the stretching limit measurement is firstly carried out, a user can form a resistance with the transmission of the conveyor belt 4, and when the user reaches the stretching limit and cannot continue stretching along with the conveyor belt 4, the resistance can influence the continuous transmission of the conveyor belt 4. Through the measurement and judgment of the force sensor, when the resistance is too large, the conveyor belt 4 cannot continue to normally transmit forwards, the controller judges that the user reaches the stretching limit, and the conveyor belt 4 stops continuously stretching forwards.

B. The displacement sensor records data:

the force sensor sends out a response after judging that the user reaches the stretching limit, the displacement sensor records the running distance of the conveyor belt 4 in the stretching limit measuring process, the running distance is used as the stretching limit distance, data are fed back to the controller, and the controller starts to calculate and provides reasonable suggestions for stretching.

③ oscillating and stretching:

after the controller calculates and gives a stretching suggestion, the data are transmitted to the displacement sensor and the conveyor belt 4, the displacement sensor controls the stretching distance by taking 3% of the stretching limit distance as the oscillating stretching range, and the conveyor belt 4 starts to carry out reciprocating oscillating stretching.

Fourthly, continuous stretching:

depending on the time set by the controller or the desired stretch time of the user, the apparatus may be selected to pause at or above the stretch limit distance, the conveyor belt 4 may remain stationary, and the user may remain in position for a period of time, such as 10 seconds.

4) And (3) data recording processing:

and analyzing and calculating according to the biological information of the height, the weight, the leg length and the like of the user and the collected use condition of the user, evaluating the use at the time, and giving corresponding guidance measures.

5) Displaying information:

and displaying the information collected by the controller and the calculated reasonable suggestions and evaluations on a display screen.

The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.

Claims

1. The utility model provides a multi-functional ligament stretcher, its characterized in that, this ligament stretcher includes frame (2), locates the conveyer belt subassembly on frame (2), locate frame (2) and be located foot groove (6) of conveyer belt subassembly one end and the drive assembly who is connected with the conveyer belt subassembly transmission, the conveyer belt subassembly on be equipped with the fixed subassembly of limbs, drive assembly pass through the conveyer belt subassembly and drive the fixed subassembly reciprocating motion of limbs.

2. The multifunctional ligament stretcher according to claim 1, wherein the conveyor belt assembly comprises two conveyor belts (4) which are arranged on the frame (2) side by side, and the limb fixing assembly is arranged on each of the two conveyor belts (4).

3. A multifunctional ligament stretcher according to claim 2, wherein the limb fixing assembly comprises a plurality of rope loops (3) arranged on the conveyor belt (4) along the conveying direction of the conveyor belt (4).

4. The multifunctional ligament stretcher according to claim 2, wherein the conveyor belt (4) is provided with a force sensor and a displacement sensor.

5. The multifunctional ligament stretcher according to claim 4, further comprising a controller electrically connected with the driving assembly, the force sensor and the displacement sensor, and a system display screen (7) electrically connected with the controller.

6. The multifunctional ligament stretcher according to claim 5, wherein the driving assembly comprises a roller in transmission connection with the conveyor belt (4) and a servo driving motor in transmission connection with the roller, and the servo driving motor is electrically connected with the controller.

7. The multifunctional ligament stretcher according to claim 6, wherein a base (1) is arranged at the bottom of the frame (2), and the servo drive motor is arranged on the base (1).

8. The multifunctional ligament stretcher according to claim 5, wherein a display screen bracket (8) is arranged between the system display screen (7) and the frame (2), and the system display screen (7) is fixed on the frame (2) through the display screen bracket (8).

9. The multifunctional ligament stretcher according to claim 1, wherein the conveyor belt assembly is provided with handrail supports (9) fixedly connected with the frame (2) on both sides, and the handrails (5) are arranged on the handrail supports (9).

10. The multifunctional ligament stretcher according to claim 9, wherein the armrest (5) is provided with a displacement controller and an emergency brake switch which are respectively electrically connected with the driving component.