CN211635099U - Multifunctional ligament stretching device - Google Patents

Abstract

The utility model provides a multi-functional ligament stretching device relates to sport equipment technical field, has solved other technical problem who draws ligament device effect poor, application scope is narrow. The multifunctional ligament stretching device comprises a support frame, a backrest, armrests, a ligament stretching belt and a driving device, wherein the backrest is vertically arranged on one side of the support frame and used for the back of a user to lean against; the armrests are arranged on two sides of the backrest and used for supporting two arms of a user; the driving device is arranged on the supporting frame positioned on the front side of the backrest, the ligament stretching belt is suspended in the air and is in transmission connection with the driving device, and the ligament stretching belt can be driven to lift in the vertical direction through the driving device. The utility model is used for carry out the tensile exercise of shank ligament, have convenient operation, function abundance, application scope extensively, humanized characteristics more, utilize and use widely on a large scale.

Description

Multifunctional ligament stretching device

Technical Field

The utility model belongs to the technical field of the sport equipment technique and specifically relates to a multi-functional ligament stretching device is related to.

Background

With the arrival of the elderly society, the aging contracture of lower limb ligaments is a human physiological phenomenon generated along with human aging, people have higher and higher requirements on stretching of leg pressing ligaments, and the contracture is a human physiological phenomenon generated along with human aging, which causes the blockage of meridians or blood vessels of a human body, the strain of local muscle groups, the fibrosis of soft tissues, the reduction of the activity, the reduction of balance capacity and the deterioration of flexibility, and causes falling, trauma, fracture and other various pathological changes, such as dizziness, headache and neck and shoulder pain caused by the contracture of neck and shoulder; chest distress, backache and hypodynamia can be caused by the contraction of the muscles of the chest and the back; the contraction of the waist, hip and thigh tendons can cause soreness and weakness of the waist and knees, swelling pain and numbness of the hip and lower limbs. Ligament strain can enhance body flexibility, coordination and balance force; has effects in strengthening body constitution, strengthening bone and spine, relieving pain, clearing away toxic materials, resisting aging, and improving sexual function.

The ligament is stretched through the angle of elevation that adds the application of force in human weight changes, borrows the tensile different angle changes of sole ligament, turns into the tensile power way of ligament of human weight, and the full body ligament of abundant help human body is stretched and is relaxed, keeps good life attitude and mood comfortable.

There is a ligament stretching device in existing market, including a service creeper, service creeper one end articulates there is the stand, and the stand end is provided with the fagging that supplies the foot to place, still is provided with the bandage fixed with the shank on the stand, and the service creeper other end is provided with the arm stay cord, and during the use, the human body lies on the service creeper, then ties up the leg through the bandage on the stand, adjusts stand length and makes the heel prop on the fagging, through the training of independently raising the leg in order to reach the tensile effect of ligament.

The applicant has found that the prior art has at least the following technical problems:

the ligament stretching device needs a user to independently lift legs, is easy to fatigue, needs the user to lie on a lying plate, is not very friendly to people who have inconvenience in legs and feet or need to pay attention to preventing muscular atrophy at ordinary times for patients and need long-term ligament stretching training, has a narrow application range, cannot meet various requirements of different people, and cannot be well used by people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional ligament stretching device to solve the narrow technical problem of ligament stretching device application scope who exists among the prior art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a multifunctional ligament stretching device, which comprises a support frame, a backrest, a handrail, a ligament stretching belt and a driving device, wherein the backrest is vertically arranged on one side of the support frame for the back of a user to lean against; the armrests are arranged on two sides of the backrest and used for supporting two arms of a user; the driving device is arranged on the supporting frame positioned on the front side of the backrest, the ligament stretching belt is suspended in the air and is in transmission connection with the driving device, and the ligament stretching belt can be driven to lift in the vertical direction through the driving device.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

As a further improvement, the back is the components of a whole that can function independently structure, including the upper back and the lower back, the lower back rear side with the support frame is connected, the upper back is placed the lower back top, just the upper back with rotate between the lower back and connect, still be provided with on the support frame and control the upper back is to the turning device of the tensile area direction upset of ligament, the handrail sets up on the upper back.

As a further improvement, the turning device includes telescoping cylinder and guide way, the vertical setting of guide way is in go up the back side, just the guide way is the T-slot, the telescoping cylinder is fixed on the support frame, just the piston rod end of telescoping cylinder is provided with the flange, the flange card is established in the guide way, works as when the telescoping cylinder is in the contraction state, the back of the body is in vertical position.

As a further improvement of the present invention, the turning device comprises a winding motor disposed on the supporting frame, two bobbins coaxially rotating on the supporting frame, and a cable coiled on the bobbins, wherein the ends of the cable on the two bobbins are respectively connected to the ends of the two handrails; and an output shaft of the winding motor is connected with a common rotating shaft of the two bobbins to drive the bobbins to rotate in the same direction at the same time.

As a further improvement of the utility model, be located under the back of the body be provided with the shank mounting on the support frame, the shank mounting is including being semicircular first fixation clamp and second fixation clamp, first fixation clamp with the second fixation clamp butt joint forms cylindrically together the shank mounting, first fixation clamp with hinge connection is passed through to second fixation clamp one side, and the opposite side is buckled through the couple and is dismantled the connection with hanging.

As a further improvement of the utility model, the first fixing clamp and the second fixing clamp are all provided with cotton cushion layers on the inner wall.

As a further improvement, drive arrangement includes the loop chain lifting machine and steadily takes the subassembly, the tensile area of ligament hangs on the couple of loop chain lifting machine, it includes slide and connecting rod to steadily take the subassembly, the vertical setting of slide is lieing in the tensile area both sides of ligament on the support frame, connecting rod quantity is two, two connecting rod one end is connected respectively the tensile area both sides of ligament, two the connecting rod other end slides the setting through the slider respectively in the slide, the connecting rod adopts hard material to make.

As a further improvement of the present invention, the ligament stretching device further includes a handheld controller, the handheld controller is connected to the driving device and the wireless electric connection of the turnover device, so as to control the driving device and the turnover device to start and stop.

As a further improvement of the utility model, the bottom of the supporting frame is provided with a roller with a locking structure.

As a further improvement, the four corners of the back side are provided with the elevator respectively down, the support frame corresponds the position and is provided with two risers, the vertical lift groove that is provided with on the riser, the elevator card is established in the lift inslot.

Compared with the prior art, the utility model following beneficial effect has:

the utility model provides a multifunctional ligament stretching device, including support frame, back, handrail, ligament stretching belt and drive arrangement, through setting up vertical back, the user stands and leans on the back when using, carries out the extension of shank ligament, need not to lie and face upward and can accomplish, makes things convenient for different crowds to use, can make things convenient for user's frame arm through setting up the handrail, helps user's health to fix, does not user provides the strong point, slows down single leg heavy burden; the lifting control is carried out on the ligament stretching belt by using the driving device, so that the leg-lifting ligament stretching action is completed, the force applied when lifting legs is reduced for a user, the early fatigue is avoided, the ligament stretching exercise time is reduced, the ligament stretching training can be quantitatively and qualitatively carried out, the lifting height can be gradually controlled, and the ligament stretching action is effectively and objectively completed; by arranging the leg fixing piece, the phenomenon that when one leg is stretched, the other leg is bent to cause that the action is not in place can be prevented; by arranging the stabilizing belt assembly, the stability of the ligament stretching belt in the lifting process is ensured, and the ligament stretching belt is prevented from shaking left and right or front and back; the lower back is set to be a structure capable of moving up and down, so that the chair is convenient for people with different heights to use; the leg lifting height and the upper body bending angle can be manually controlled by arranging the controller, so that the leg lifting device is convenient and simple to operate, and time and labor are saved; through the structure design, the utility model discloses a ligament stretching device has convenient operation, the function is abundant, application scope is wide, humanized characteristics more, utilizes and uses widely on a large scale, can also install other body-building exercise equipment on this ligament stretching device for this device function is abundanter.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a first embodiment of the multifunctional ligament stretching device of the present invention;

fig. 2 is a partial structural view of a vertical plate in the multifunctional ligament stretching device of the invention;

FIG. 3 is a schematic view of the lower back of the multifunctional ligament tensioning device of the present invention as viewed from the posterior side;

FIG. 4 is a top view of the leg fixing member of the multifunctional ligament stretching device of the present invention;

FIG. 5 is a top view of the multifunctional ligament stretching device of the present invention after a strap is placed in the leg fixing member;

fig. 6 is a front view of the telescopic cylinder in the multifunctional ligament stretching device of the present invention;

fig. 7 is a schematic perspective view of a second embodiment of the multifunctional ligament stretching device of the present invention;

fig. 8 is a schematic perspective view of a third embodiment of the multifunctional ligament stretching device of the present invention.

In the figure 1, a support frame; 11. a roller; 12. a vertical plate; 13. a lifting groove; 14. a first vertical strut; 15. a second vertical strut; 16. a first bottom wale; 17. a second bottom wale; 2. a backrest; 21. carrying out back loading; 22. a lower back; 221. a lifting block; 3. a handrail; 4. a ligament tensioning band; 5. a drive device; 51. a chain hoist; 52. a belt stabilizing assembly; 521. a slideway; 522. a connecting rod; 6. a turning device; 61. a telescopic cylinder; 611. a flange; 62. a guide groove; 63. a wire winding motor; 64. a bobbin; 65. a cable; 7. a leg fixing member; 71. a first fixing clip; 72. a second fixing clip; 73. and (4) binding the bands.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, the utility model provides a multifunctional ligament stretching device, which comprises a support frame 1, a backrest 2, a handrail 3, a ligament stretching belt 4 and a driving device 5, wherein the backrest 2 is vertically arranged at one side of the support frame 1 for the back of a user to lean against; the armrests 3 are arranged at two sides of the backrest 2 and used for supporting the two arms of a user; drive arrangement 5 sets up on being located the support frame 1 of back 2 front side, and tensile area 4 of ligament hangs in the air and is connected with drive arrangement 5 transmission, can drive tensile area 4 of ligament in vertical direction lift through drive arrangement 5.

Specifically, the support frame 1 is of a cuboid frame structure and is made of aluminum alloy square steel or round steel through welding, the support frame comprises a bottom cross brace, a bottom connecting beam, a middle connecting beam and a vertical strut, the top of the support frame 1 is of an open structure, and a top cross brace can be arranged at the top of the support frame 1 to further improve the overall strength of the support frame 1;

as shown in figure 1, the backrest 2 is arranged in the middle of one end of the length direction of the inner cavity of the support frame 1, the ligament stretching belt 4 and the driving device 5 are arranged in the middle of the other end of the length direction of the inner cavity of the support frame 1, the backrest is arranged opposite to the backrest 2, the armrests 3 are arranged at two sides of the backrest 2 in the width direction, namely at two sides of a human body, the shape and the structure of the armrests 3 are not particularly limited, the arm can be conveniently used by a user, the width of the backrest 2 can be equal to the whole width of the back of the human body, the material can be saved, the backrest 2 does not need to be very wide, only part of the back of the human body can be leaned on the backrest, when the width of the backrest 2 is not very wide, in order to avoid the problem that the armrests 3 on the two sides cannot be used due to too small space, the armrests 3 can be of an arc-shaped structure or an L-shaped structure, so that the distance between the two armrests 3 is ensured to meet the normal use of most people; the human body arm support is arranged on the handrail 3. For convenience, a grasping part can be arranged at the tail end of the handrail 3, and a user can grasp the grasping part with hands; again, the shape of gripping portion does not do specifically and restricts yet, if only the hand is the gripping use, gripping portion perpendicular to handrail 3 sets up, and gripping portion is cylindrical structure to in gripping portion and the outside cladding of handrail 3 soft coating, be convenient for gripping and frame arm use, the coating can adopt sponge, rubber, plastics or cotton material to make.

The utility model has the advantages that the utility model is provided with the vertical backrest, when in use, a user stands and leans on the backrest to stretch the ligament of the leg, the stretching can be completed without lying and bending over, the use of different people is convenient, the arm of the user can be facilitated by arranging the handrail, the body of the user can be fixed, no supporting point is provided by the user, and the load of the single leg is reduced; carry out lifting control to the tensile area of ligament through using drive arrangement to accomplish and lift the tensile action of leg ligament, not only for the user reduces the effort when lifting the leg, avoid too early tired, thereby reduce the tensile exercise time of ligament, but also can quantitative qualitative carry out the lacing wire training, can be progressive control lift up the height, thereby effectual objective completion ligament tensile action.

As shown in fig. 1, as an alternative embodiment, the backrest 2 is a split structure, and includes an upper back 21 and a lower back 22, the rear side of the lower back 22 is connected to the support frame 1, the upper back 21 is placed above the lower back 22, and the upper back 21 and the lower back 22 are rotatably connected, the support frame 1 is further provided with a turning device 6 capable of controlling the upper back 21 to turn towards the ligament stretching belt 4, and the armrest 3 is disposed on the upper back 21. The upper back 21 faces the waist and above of the human body, and the lower back 22 faces the waist and hip of the human body.

Furthermore, a fixing band with adjustable size is arranged at a proper position of the lower back 22 and used for fixing the hip, and when the upper back 21 is inclined forwards and turned over, the part below the hip is relatively vertically fixed, so that effective ligament stretching is ensured.

Through setting the back to the components of a whole that can function independently structure, the upper back can be to the tensile area direction upset of ligament under turning device's drive to realize that the help user upper part of the body is crooked, the action of the sufficient tiptoe of hand, because turning device can control the rotation angle of upper back, also can combine oneself physical characteristics to carry out high efficiency, have the exercise action of quality according to actual conditions.

As shown in fig. 1 and fig. 6, as an alternative embodiment, the turnover device 6 includes a telescopic cylinder 61 and a guide groove 62, the guide groove 62 is vertically disposed at the rear side of the upper back 21, that is, the guide groove 62 is disposed along the height direction of the upper back 21, and the guide groove 62 is a T-shaped groove, the telescopic cylinder 61 is fixed on the support frame 1, and the end of the piston rod of the telescopic cylinder 61 is provided with a flange 611, the flange 611 is clamped in the guide groove 62, and when the telescopic cylinder 61 is in the contracted state, the upper back 21 is in the vertical position. Specifically, the telescopic cylinder 61 can be of a hydraulic or pneumatic type, the telescopic cylinder 61 is vertically arranged on the support frame 1, the piston rod can horizontally extend or retract, the upper back 21 can be pushed to incline towards the front side when the piston rod extends out, and the upper back 21 can be pulled to reset towards the rear side when the piston rod retracts; in order to prevent the telescopic cylinder 61 from forming a clamping position in the telescopic process, the telescopic cylinder 61 can be arranged on the support frame 1 in a rotating way, and the tail end of a piston rod of the telescopic cylinder 61 is hinged to the rear side of the upper back 21; when the turnover device 6 is adopted, the turnover and the reset of the upper back 21 are all automatically controlled and do not need to be manually forced.

As shown in fig. 7, as another alternative embodiment, the turnover device 6 includes a winding motor 63 disposed on the support frame 1, two spools 64 coaxially rotating and disposed on the support frame 1, and a cable 65 wound on the spools 64, wherein the ends of the cable 65 on the two spools 64 are respectively connected to the ends of the two handrails 3; the output shaft of the winding motor 63 is connected to the common shaft of the two bobbins 64 to drive the bobbins 64 to rotate simultaneously in the same direction. When the turning device 6 with such a structure is adopted, the winding motor 63 is a forward and reverse rotation motor, the tilting and turning action of the upper back 21 is realized by electric control, and the recovery action of the upper back 21 needs to be manually controlled to reversely rotate the winding motor 63, then the upper back 21 is manually lifted upwards to be pushed to recover, and the pushing recovery speed of the upper back also depends on the speed of the rotating release cable 65 of the motor.

As a third alternative embodiment, as shown in fig. 8, this embodiment is different from the second embodiment in fig. 7 in that the turning device 6 is disposed at a different position, and the turning device 6 can also move left and right and be locked after moving to a desired position, as follows: the number of the winding motors 63 is two, the winding motors 63 are respectively arranged on a first bottom cross brace 16 and a second bottom cross brace 17 of the support frame 1, the winding motors 63 can move left and right and are fixed according to specific ligament stretching positions, one ends of two traction ropes are respectively wound on rotating wheels arranged on output shafts of the two winding motors 63, the other ends of the two traction ropes are respectively fixedly connected with the left side and the right side of the upper back 21, when the winding motors 63 do not rotate, the upper back 21 is in a home position, a human body is in a vertical state, when the upper body needs to be anteverted to enable hands to be right below tiptoes of lifting legs, the winding motors 63 are controlled to rotate to drive the rotating wheels to rotate, the rotating wheels rotate to withdraw the traction ropes, and therefore the upper back 21 is controlled to be anteverted, and the hands can naturally vertically move below the tiptoes or grasp the traction ropes to be guided to; when the hands are required to be stretched towards the position right below the toes of the leg-lifting, the winding motor 63 is arranged below the toes of the leg-lifting, the connecting positions of the traction ropes and the upper back 21 are positioned at two sides of the upper back 21 corresponding to the shoulders of the human body, and the upper body is inclined forwards as much as possible to perform the action of enabling the hands to be sharp enough under the leg-lifting condition; when the hands are required to be stretched towards the positions under the toes of the standing feet, the winding motor 63 is movably fixed in front of the toes of the standing feet, the joints of the traction ropes and the upper back 21 are positioned at the two sides of the upper back 21 corresponding to the shoulders of the human body, and the traction ropes are used for drawing the hands to enable the upper body to press the toes as far as possible, so that the purpose of stretching ligaments is achieved. When the user needs to reset, the winding motor 63 is controlled to rotate reversely, and the user can return to the upright state from forward leaning through the human body.

The specific rotating structure, the hinging mode and the left-right moving structure can be realized by adopting the structures in the prior art, such as rotating shaft type rotating connection, rotating shaft type hinging and guide rail screw rod type sliding connection.

As shown in fig. 1 and 4, further, a leg fixing member 7 is disposed on the support frame 1 below the lower back 22, the leg fixing member 7 includes a first fixing clip 71 and a second fixing clip 72 which are both semicircular, the first fixing clip 71 and the second fixing clip 72 are butted together to form the cylindrical leg fixing member 7, one side of the first fixing clip 71 and one side of the second fixing clip 72 are connected by a hinge, and the other side of the first fixing clip 71 and the other side of the second fixing clip are detachably connected by a hook and a buckle. In order to prevent the leg from bending when the ligaments are stretched and the length of the leg fixing piece 7 is larger than that of the shank, the leg fixing piece 7 is arranged, so that the situation that when one leg ligament is stretched, the other leg bends to cause the action to be out of position can be prevented. As shown in fig. 5, further, the specification of the inner cavity of the leg fixing member 7 needs to meet the requirement of thick people with different legs, and it is necessary to provide the leg fixing member 7 with a relatively large specification, and at this time, if the leg fixing member is used by thin people, the problem of loose fixation is caused, so, an inflatable binding band 73 can be detachably provided in the inner cavity of the leg fixing member 7, specifically, the binding band 73 is provided on the inner wall of the first fixing clip 71 or on the inner wall of the second fixing clip 72, it is to be noted that the fixing clip connected with the binding band 73 can be fixed on the support frame 1, the specification of the inner cavity of the binding band 73 is maximum when the binding band 73 is not inflated, the inner cavity of the binding band 73 can be reduced when the binding band 73 is inflated, and the structure of the binding band 73. The detachable construction between bandage 73 and the fixation clamp adopts the mode of magic subsides to realize, and bandage 73 includes crust and inner bag, and the crust adopts the cloth to make, and the inner bag adopts the material the same with the water wing material to make. The hook surface of the magic tape is arranged on the outer skin. The length of the strap 73 may be less than or equal to the length of the first fixing clip 71 or the second fixing clip 72.

Cotton cushion layers are arranged on the inner walls of the first fixing clamp 71 and the second fixing clamp 72. The hair side of the magic tape is arranged on the cotton cushion layer.

As shown in fig. 1 and 7, further, the driving device 5 includes a loop chain elevator 51 and a stabilizing belt assembly 52, the ligament stretching belt 4 is hung on a hook of the loop chain elevator 51, the stabilizing belt assembly 52 includes a slide rail 521 and a connecting rod 522, the slide rail 521 is vertically disposed on the support frame 1 at both sides of the ligament stretching belt 4, that is, the slide rail 521 is disposed along the height direction of the support frame 1, specifically, two slide rails 521 are respectively disposed on the first vertical support 14 and the second vertical support 15 of the support frame 1, and further, scale marks are disposed on the first vertical support 14 and the second vertical support 15 to facilitate objective and accurate understanding of data change of ligament stretching leg-lifting, so as to investigate and research application scientific effects in this project; the number of the connecting rods 522 is two, one end of each of the two connecting rods 522 is connected to two sides of the ligament stretching belt 4, the other end of each of the two connecting rods 522 is arranged in the corresponding slideway 521 in a sliding mode through a sliding block, the connecting rods 522 are made of hard materials, specifically, the connecting rods 522 can be made of hard plastics, and the connecting rods 522 can not bend or bend slightly, so that the ligament stretching belt 4 cannot rock forwards, backwards, leftwards and rightwards greatly when being lifted up and down. Through setting up steady band subassembly 52, guarantee the stability of the tensile area 4 lift in-process of ligament, prevent to rock about or around. Of course, instead of providing two links 522, one link 522 may be provided, and then the bottom of the ligament stretching strap 4 is fixed on the link 522, and when the ligament stretching strap 4 is pulled up or lowered, the links 522 are lifted and lowered together, and since the ligament stretching strap 4 is fixed at a certain position of the link 522, the ligament stretching strap 4 is also ensured not to shake during lifting and lowering.

Further, the lacing wire device also comprises a handheld controller, and the handheld controller is in wireless electrical connection with the driving device 5 and the turnover device 6 and is used for controlling the start and stop of the driving device 5 and the turnover device 6. The hand-held controller is realized by programming by adopting a product in the prior art; the specific control actually comprises the forward and reverse rotation control of the loop chain elevator 51 in the driving device 5, the expansion and contraction control of the expansion cylinder 61 in the turnover device 6, or the forward and reverse rotation control of the winding motor 63 in the turnover device 6; through setting up the controller, can manually accomplish the control of lifting leg height, upper part of the body bend angle, convenient operation, simple, labour saving and time saving.

As shown in fig. 1 and 7, in order to facilitate the movement of the product, the bottom of the supporting frame 1 is provided with a roller 11 with a locking structure. The roller 11 with the locking structure is realized by using a commercially available product.

As shown in fig. 2 and fig. 3, further, four corners of the back side of the lower back 22 are respectively provided with a lifting block 221, the support frame 1 is provided with two vertical plates 12 at corresponding positions, lifting grooves 13 are vertically arranged on the vertical plates 12, that is, the lifting grooves 13 are arranged along the height direction of the vertical plates 12, the lifting block 221 is clamped in the lifting grooves 13, specifically, the lifting grooves 13 may also be T-shaped grooves, the lifting block 221 is T-shaped, a wide portion is clamped in the lifting grooves 13, and a narrow portion is slid in a narrow groove of the lifting grooves 13, so that the lower back 22 can be lifted relative to the support frame 1, it should be noted that a certain resistance needs to be overcome when the lower back 22 is lifted and adjusted, so as to ensure that the lower back 22 can be fixed at the position after the lifting adjustment is completed, and will not be displaced due to its own weight, that is, the lifting block 221 and the lifting grooves 13 need to be in an interference fit, the degree of interference fit can be selected according to factors such as the actual required product weight and the like. The lower back is set to be a structure capable of moving up and down, so that the chair is convenient for people with different heights to use.

The utility model discloses a ligament stretching device has convenient operation, function abundance, application scope extensively, more humanized characteristics, utilizes and uses widely on a large scale, can also install other body-building exercise equipment on this ligament stretching device for this device function is abundanter.

It should be noted that "inward" is a direction toward the center of the accommodating space, and "outward" is a direction away from the center of the accommodating space.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in fig. 1, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A multifunctional ligament stretching device is characterized by comprising a support frame, a backrest, handrails, a ligament stretching belt and a driving device, wherein the backrest is vertically arranged on one side of the support frame and used for the back of a user to lean against; the armrests are arranged on two sides of the backrest and used for supporting two arms of a user; the driving device is arranged on the supporting frame positioned on the front side of the backrest, the ligament stretching belt is suspended in the air and is in transmission connection with the driving device, and the ligament stretching belt can be driven to lift in the vertical direction through the driving device.

2. The multifunctional ligament stretching device of claim 1, wherein the backrest is of a split structure and comprises an upper backrest and a lower backrest, the rear side of the lower backrest is connected with the support frame, the upper backrest is placed above the lower backrest, the upper backrest is rotatably connected with the lower backrest, the support frame is further provided with a turnover device capable of controlling the upper backrest to turn over towards the ligament stretching belt, and the armrest is arranged on the upper backrest.

3. The multifunctional ligament stretching device of claim 2, wherein the turning device comprises a telescopic cylinder and a guide groove, the guide groove is vertically arranged on the back side of the upper part, the guide groove is a T-shaped groove, the telescopic cylinder is fixed on the support frame, a flange is arranged at the tail end of a piston rod of the telescopic cylinder, the flange is clamped in the guide groove, and when the telescopic cylinder is in a contracted state, the upper part is in a vertical position.

4. The multifunctional ligament stretching device of claim 2, wherein the turning device comprises a wire winding motor disposed on the support frame, two spools coaxially rotating the support frame, and a cable wound on the spools, wherein the cable ends of the two spools are respectively connected to the two handrail ends; and an output shaft of the winding motor is connected with a common rotating shaft of the two bobbins to drive the bobbins to rotate in the same direction at the same time.

5. The multifunctional ligament stretching device according to claim 2, 3 or 4, wherein a leg fixing member is arranged on the support frame below the lower back, the leg fixing member comprises a first fixing clip and a second fixing clip which are semicircular, the first fixing clip and the second fixing clip are butted together to form the cylindrical leg fixing member, one side of the first fixing clip and one side of the second fixing clip are connected through a hinge, and the other side of the first fixing clip and the second fixing clip are detachably connected through a hook and a hanging buckle.

6. The multifunctional ligament stretching device of claim 5, wherein the first fixing clip and the second fixing clip are provided with cotton cushion layers on inner walls.

7. The multifunctional ligament stretching device according to claim 1, wherein the driving device comprises a loop chain elevator and a stable belt assembly, the ligament stretching belt is hung on a hook of the loop chain elevator, the stable belt assembly comprises a slide and two connecting rods, the slide is vertically arranged on the support frames positioned on two sides of the ligament stretching belt, the number of the two connecting rods is two, one ends of the two connecting rods are respectively connected on two sides of the ligament stretching belt, the other ends of the two connecting rods are respectively arranged in the slide in a sliding manner through a sliding block, and the connecting rods are made of hard materials.

8. The multifunctional ligament stretching device of claim 2, wherein the ligament stretching device further comprises a handheld controller, and the handheld controller is wirelessly electrically connected with the driving device and the overturning device to control the start and stop of the driving device and the overturning device.

9. The multifunctional ligament stretching device of claim 1, wherein the bottom of the support frame is provided with a roller with a locking structure.

10. The multifunctional ligament stretching device of claim 2, wherein the four corners of the lower back side are respectively provided with a lifting block, two vertical plates are arranged at corresponding positions of the support frame, lifting grooves are vertically arranged on the vertical plates, and the lifting blocks are clamped in the lifting grooves.

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