CN219423235U - Spinal muscle strength training device - Google Patents

Abstract

The utility model relates to a spine muscle strength training device which comprises a device base, wherein a rotating support which can rotate under the drive of a power mechanism is rotatably arranged on the device base, the rotation axis of the rotating support extends along the up-down direction, a seat is arranged on the front side of the rotating support on the device base, a seat fixing structure for fixing the hip of a user is arranged on the seat, a backrest support with the rotation axis horizontally arranged is rotatably arranged on the rotating support, a first moment sensor is arranged between the rotating support and the backrest support, a shoulder limiting support is arranged on the front side of the backrest support, and a shoulder stop lever with the front end bent downwards is arranged on the shoulder limiting support. The utility model solves the technical problem that in the prior art, the shoulder cannot participate in the rotation of the spine, so that the spine recovery training effect is poor.

Description

Spinal muscle strength training device

Technical Field

The utility model relates to a spinal rehabilitation training device, in particular to a spinal muscle strength training device.

Background

The spine is the axial skeleton of human body, is the pillar of the body, has functions such as loading, shock attenuation, protection and motion.

The spine has four parts of cervical segment, thoracic segment, lumbar segment and sacral segment, and the cervical vertebra consists of 7 vertebral bodies, 6 intervertebral discs (no intervertebral disc exists between the 1 st and the 2 nd cervical vertebrae) and the ligament; the thoracic vertebrae are composed of 12 vertebral bodies, 11 intervertebral discs and the ligaments; the lumbar vertebra consists of 5 vertebral bodies, 5 intervertebral discs and the ligament; around the cervical, thoracic, lumbar and spine are the surrounding tissues such as muscles, blood vessels, nerves, vertebral canal, skin, etc. The human body just completes the functions of bending, stretching and rotating at all angles of the head and the trunk by means of the neck, the chest and the lumbar vertebrae.

The load of the spine is the sum of the body weight, muscle tension and external load above a certain segment. The spinal segments at different locations bear different loads. Because the lumbar vertebra is at the lowest position of the spine, the load is quite large, and the juncture of the movable section and the fixed section is also the most frequent occurrence of the lumbago and backache, the injury opportunity is more. The lumbar vertebra evaluation and training requires larger moment, chinese patent CN204891091 discloses an upper fixed spine cyclotron muscle strength trainer which comprises a base, a rotating shaft and a stand column are arranged on the base, the stand column is fixed on the base, a seat is arranged on the rotating shaft, and a shoulder fixing rod, namely a shoulder fixing structure, is arranged at the upper end of the stand column. The use, the user sits on the seat, and the shoulder passes through shoulder dead lever to be fixed, then the seat gyration, through the rotation of seat reaching the gyration of backbone to realize retrieving the mesh of training to the backbone.

However, the existing training device has the following problems: in the prior art, the shoulder is fixed and can not rotate, the tail end of the spine rotates, the use habit of the spine is inconsistent with that of the spine in the real environment of a human body, in the real use environment of the spine, for example, when a user twists back, the spine is integrally stressed, the rotation angle of the lower end of the spine is not large or not large, the user twists integrally with the shoulder, and the rotation of the upper end of the spine is relatively large, so that the conventional training device cannot simulate the real use environment of the spine, and has poor recovery training effect on the spine.

Disclosure of Invention

The utility model aims to provide a spinal muscle strength training device, which aims to solve the technical problem that in the prior art, the shoulder cannot participate in the rotation of the spinal column, so that the spinal recovery training effect is poor.

In order to solve the technical problems, the technical scheme of the spinal muscle strength training device provided by the utility model is as follows:

the utility model provides a backbone muscle strength trainer, including the device base, it is equipped with the runing rest that can rotate under the power unit drive to rotate on the device base, the axis of rotation of runing rest extends along the upper and lower direction and sets up, be provided with the seat in the front side of runing rest on the device base, be provided with the seat fixed knot who is used for fixed user hip on the seat and construct, it is equipped with the back support that axis of rotation level set up to rotate on the runing rest, be provided with first moment sensor between runing rest and the back support, the front side of back support is provided with the spacing support of shoulder, be provided with the shoulder pin of front end bending downwards on the spacing support of shoulder.

Further, the shoulder stop lever is connected with the shoulder limiting bracket through a first rotating connection structure of which the rotating axis extends along the left-right direction.

Further, the left side and the right side of the shoulder limiting support are further provided with a left shoulder baffle plate and a right shoulder baffle plate, the distance between the left shoulder baffle plate and the right shoulder baffle plate is adjustable, and the left shoulder baffle plate and the right shoulder baffle plate are connected with the shoulder limiting support through a second rotating connection structure of which the axes extend along the up-down direction.

Further, the lifting adjusting bracket is assembled on the backrest bracket along the up-down direction in a guiding and moving way, and the shoulder limiting bracket is arranged on the lifting adjusting bracket.

Further, the shoulder limiting support is connected with the lifting adjusting support through a third rotating connecting structure with a rotating axis extending along the front-rear direction, and a second moment sensor is arranged between the shoulder limiting support and the lifting adjusting support.

Further, the rotating support comprises a rotating shaft which is vertically arranged and a force transmission plate which is fixed at the upper end of the rotating shaft, the backrest support comprises a first support leg and a second support leg which are arranged at left and right intervals, one end of the force transmission plate is connected with the bottom of the first support leg through the first moment sensor, and the other end of the force transmission plate is connected with the bottom of the second support leg through a bearing.

Further, the power mechanism comprises an electric push rod which is connected with the rotary support through a transmission structure to drive the rotary support to rotate back and forth, and the transmission structure is provided with an encoder and a third torque sensor.

Further, be provided with the shank fixed bolster that can overturn and fix user's shank around on the device base in the front side of seat, shank fixed bolster includes upper side pressure leg pole and the lower side pressure push rod that upper and lower interval set up, and the length of upper side pressure leg pole, lower side pressure leg pole extends the setting along controlling the direction.

Further, the heights of the upper side pressing leg rod and the lower side pressing leg rod are adjustable.

Further, the base is provided with a gas spring connected with the leg support.

The beneficial effects of the utility model are as follows: when the spinal muscle training device is used, a user sits on the seat, the hip of the user is fixed through the seat fixing structure, the hip of the user is prevented from generating compensatory movements in the evaluation and training processes, and the safety of the user in the use process is ensured. The shoulder of the user is limited by the shoulder stop lever, when the power mechanism works, passive training can be carried out, and the power mechanism carries the rotating bracket and the backrest bracket and further carries the shoulder of the user to rotate through the shoulder limiting bracket; when the power mechanism does not work, active training can be performed, and a user rotates by taking the rotating bracket through the shoulder limiting bracket and the backrest bracket; of course, the user can also perform the recovery training in the pitching direction through the backrest support, in the utility model, the hip of the user is fixed, the active and passive training is performed on the spine through the rotation of the shoulder, the real spine use environment of the user is more similar, and the spine muscle training effect is good.

Drawings

The above, as well as additional purposes, features, and advantages of exemplary embodiments of the present disclosure will become readily apparent from the following detailed description when read in conjunction with the accompanying drawings. Several embodiments of the present disclosure are illustrated by way of example, and not by way of limitation, in the figures of the accompanying drawings and in which like reference numerals refer to like or corresponding parts and in which:

FIG. 1 is a schematic diagram of the structure of one embodiment of the present utility model;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a perspective view of FIG. 1;

FIG. 4 is a perspective view of the seat of FIG. 1;

FIG. 5 is a perspective view of the shoulder stop bracket of FIG. 1;

FIG. 6 is a schematic illustration of the fit of the base, swivel mount and back mount of the device of FIG. 1;

FIG. 7 is a schematic view of the engagement of the hip shield with the rotating shaft of FIG. 4;

reference numerals illustrate: 1. a device base; 2. a backrest bracket; 3. a shoulder limiting bracket; 4. a shoulder stop lever; 5. a left shoulder baffle; 6. a hip baffle; 7. a seat; 8. a seat leg; 9. a telescopic bracket; 10. an armrest; 11. a lower leg pressing rod; 12. a gas spring locking handle; 13. rotating the plunger; 14. leg fixing brackets; 15. a gas spring; 16. the upper leg pressing rod is pressed; 17. a back baffle; 18. a right shoulder baffle; 19. lifting and adjusting the bracket; 20. a seat cushion; 21. a unidirectional rotation device; 22. lifting a handle; 23. an electric push rod; 24. a first torque sensor; 25. a rotation shaft; 26. a force transfer plate; 27. a second bracket leg; 28. a bearing; 29. a second torque sensor; 30. a middle seat; 31. a rotating shaft; 32. a rotating sleeve; 33. a one-way bearing; 34. and (5) a bearing gland.

Detailed Description

In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

An embodiment of a spinal muscle training device according to the present utility model is shown in fig. 1 to 7: including device base 1, the last rotation of device base 1 is equipped with the runing rest that can rotate under the power unit drive, in this embodiment, the runing rest includes the rotation axis 25 of vertical setting and is fixed in the biography power board 26 of rotation axis upper end, the bottom of rotation axis is fixed with the biography power arm (not shown in the figure), power unit includes electric putter 23, electric putter 23's one end links to each other with the device base, electric putter's other one end links to each other with the biography power arm through transmission structure in order to drive the runing rest round trip to rotate, be provided with encoder and third torque sensor on the transmission structure, the encoder is used for detecting the turned angle of runing rest, third torque sensor is used for detecting the moment that the runing rest received.

A seat 7 is arranged on the front side of the rotating bracket on the device base, and a seat fixing structure for fixing the hip of a user is arranged on the seat 7. In this embodiment, the seat comprises a seat cushion and seat legs 8 fixed to the base of the device, the seat cushion being fixed to the upper ends of the seat legs, the height of the seat legs being adjustable to accommodate users of different heights. The seat cushion comprises a seat surface covered by soft sponge, so that a user can sit comfortably.

The seat fixing structure comprises unidirectional rotation devices 21 which are arranged at the left side and the right side of the seat cushion and are used for clamping the hip of a user, and hip baffles 6 are arranged on the unidirectional rotation devices. The hip baffle 6 is coated by soft sponge, so that discomfort of a user is avoided, the hip baffle can be rotated by pulling the lifting handle 22 of the unidirectional rotating device when the hip baffle is used, the hip baffle is clamped by adjusting the rotation angle of the hip baffle when the user sits, and then the lifting handle is rotated, so that the hip baffle can not be rotated, the hip of the patient is fixed, compensatory movement of the user in surname and training is prevented, and the safety of the user in the use process is ensured.

As shown in fig. 7, the unidirectional rotation device has a specific structure in which the lifting handle 22 is mounted on the intermediate seat 30, a rotation shaft 31 having an axis extending in the front-rear direction is mounted in the intermediate seat, and a radial hole is provided in the rotation shaft 31. When the lifting handle 22 is at the bottommost position, the rotating shaft 31 can be aligned with the lifting handle during rotation, and at the moment, the limiting pin of the lifting handle can be inserted into the radial hole of the rotating shaft, so that the rotation of the rotating shaft is limited. Two unidirectional bearings 33 are arranged at two ends of the rotating shaft and are respectively fixed by a bearing gland 34, and the hip baffle 6 is fixed on the unidirectional bearings. When the rotation circumference is limited by the lifting handle, the hip baffle can rotate unidirectionally, so that the hip of a user is fixed, and when the hip baffle needs to be released, the lifting handle only needs to be rotated to the highest position. The unidirectional rotation device belongs to the prior art, and the specific structure thereof is not described in detail here.

The rotating bracket is rotatably provided with a backrest bracket 2 with a rotation axis horizontally arranged, a first torque sensor 24 is arranged between the rotating bracket and the backrest bracket 2, the front side of the backrest bracket is provided with a shoulder limiting bracket, and the shoulder limiting bracket is provided with a shoulder stop lever 4 with the front end bent downwards.

In this embodiment, there are 4 shoulder pin, and two shoulder pin 4 link to each other through pin linking bridge, and pin linking bridge links to each other with shoulder limit bracket through the first rotation connection structure that axis of rotation extends along left and right directions. The shoulder stop lever is provided with a put-down state and a lifting state, the first rotating connecting structure comprises a transverse shaft and a transverse shaft handle, a transverse shaft radial hole is formed in the transverse shaft, when the shoulder stop lever is turned down to the put-down state, the transverse shaft handle can be inserted into the transverse shaft radial hole to lock the shoulder stop lever in the put-down state, when the transverse shaft handle is pulled out, the shoulder stop lever is unlocked, can be turned up to be in the lifting state, and a user can sit conveniently.

The front side of the shoulder limiting bracket is fixed with a back baffle 17, the left side and the right side of the shoulder limiting bracket are also provided with a left side shoulder baffle 5 and a right side shoulder baffle 18, the distance between the left side shoulder baffle 5 and the right side shoulder baffle 18 is adjustable, and the left side shoulder baffle and the right side shoulder baffle are connected with the shoulder limiting bracket through a second rotating connecting structure of which the axes extend along the up-down direction. The left shoulder baffle and the right shoulder baffle can be turned back to back, so that a user can sit conveniently, and the shoulder baffle can be turned over relatively to clamp the shoulders of the user.

The lifting adjusting bracket 19 is assembled on the backrest bracket along the vertical direction in a guiding manner, the shoulder limiting bracket is arranged on the lifting adjusting bracket, the height of the lifting adjusting bracket is adjusted, the lifting adjusting bracket can be suitable for users with different heights, and the height adjustment of the lifting adjusting bracket can be realized through an electric push rod. In this embodiment, the shoulder limiting support is connected to the lifting adjustment support through a third rotation connection structure having a rotation axis extending in the front-rear direction, and a second torque sensor is disposed between the shoulder limiting support and the lifting adjustment support. Therefore, the user can also perform rehabilitation training of the lateral bending of the waist, and the second moment sensor can realize moment measurement during the lateral bending of the waist.

The backrest support comprises a first support leg and a second support leg 27 which are arranged at left and right intervals, one end of a force transmission plate is connected with the bottom of the first support leg through a first moment sensor, and the other end of the force transmission plate is connected with the bottom of the second support leg through a bearing.

The device base is provided with a leg fixing bracket 14 capable of fixing the legs of a user by turning back and forth on the front side of the seat, and the leg fixing bracket 14 comprises an upper leg pressing rod 16 and a lower leg pressing rod 11 which are arranged at intervals up and down, and the lengths of the upper leg pressing rod and the lower leg pressing rod are extended in the left-right direction. The upper side pressing leg rod and the lower side pressing leg rod are arranged at two ends of the telescopic bracket, so that the distance between the upper side pressing leg rod and the lower side pressing leg rod is adjustable. The distance between the upper leg pressing rod and the lower leg pressing rod is adjustable, and the upper end of the leg fixing support is provided with a handrail 10.

When the leg fixing device is used, the air spring locking handle is pressed down and kept, the leg fixing support can rotate around the fixing shaft under the thrust of the air spring 15, the armrest is pulled, the leg fixing support is slowly released, the upper leg pressing rod is pressed on the upper side of the thigh, the lower leg pressing rod is pressed on the front side of the calf, and when the leg fixing device is adjusted to a proper position, the leg fixing support can be locked by the handle caused by releasing the air spring, so that the leg fixing is realized, and the user is prevented from compensating in the evaluation and training processes.

The first rotary connecting structure, the second rotary connecting structure and the third rotary connecting structure in the embodiment all comprise shafts and shaft sleeves which can rotate relatively, and two corresponding parts are arranged on the shafts, and one part is arranged on the shaft sleeve, and the other part is arranged on the shaft sleeve. For example, for the first rotating connection structure, the two corresponding components are a shoulder limiting bracket and a stop lever connecting bracket respectively, the shoulder limiting bracket is arranged on the shaft sleeve, and the stop lever connecting bracket is arranged on the shaft.

When the chair is used, a user sits on the chair, the legs of the user are fixed through the leg fixing support, the hips of the user are fixed through the hip baffle, and the shoulders of the user are fixed through the shoulder baffle. The spine muscle strength training device can perform active and passive training, when in passive training, the electric push rod of the driving mechanism works, the driving mechanism drives the backrest support to rotate around the vertical rotation axis through the rotating support, the backrest support drives the shoulders of a patient to rotate through the shoulder limiting support, the third torque sensor can measure the torque received by the user, when in active training, the driving mechanism does not work, the spine muscle of the user applies force, and the shoulder limiting support, the backrest support and the rotating support are driven to rotate through the shoulders; the user can actively conduct bending and stretching movement, at the moment, the user takes the backrest support to perform pitching action through the shoulder limiting support, and the moment of the backrest support is measured through the first moment sensor; the user can actively conduct waist side bending movement, the shoulder is used for carrying the shoulder limiting support to move around the front-back direction rotation axis, and the second torque sensor is used for measuring the torque received by the shoulder limiting support.

In the foregoing description of the present specification, the terms "fixed," "mounted," "connected," or "connected" are to be construed broadly, unless explicitly stated or limited otherwise. For example, in terms of the term "coupled," it may be fixedly coupled, detachably coupled, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other. Therefore, unless otherwise specifically defined in the specification, a person skilled in the art can understand the specific meaning of the above terms in the present utility model according to the specific circumstances.

Those skilled in the art will also appreciate from the foregoing description that terms such as "upper," "lower," "front," "rear," "left," "right," "length," "width," "thickness," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," "center," "longitudinal," "transverse," "clockwise," or "counterclockwise" and the like are used herein for the purpose of facilitating description and simplifying the description of the present utility model, and thus do not necessarily have to have, configure, or operate in, the specific orientations, and thus are not to be construed or construed as limiting the present utility model.

In addition, the terms "first" or "second" and the like used in the present specification to refer to the numbers or ordinal numbers 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 defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present specification, the meaning of "plurality" means at least two, for example, two, three or more, etc., unless explicitly defined otherwise.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. The utility model provides a backbone muscle strength trainer, includes device base, its characterized in that: the device comprises a device base, a rotating support which can rotate under the driving of a power mechanism is rotatably assembled on the device base, a rotating axis of the rotating support extends along the vertical direction, a seat is arranged on the front side of the rotating support on the device base, a seat fixing structure for fixing the hip of a user is arranged on the seat, a backrest support with the rotating axis horizontally arranged is rotatably assembled on the rotating support, a first moment sensor is arranged between the rotating support and the backrest support, a shoulder limiting support is arranged on the front side of the backrest support, and a shoulder stop lever with the front end bent downwards is arranged on the shoulder limiting support.

2. The spinal muscular training apparatus of claim 1, wherein: the shoulder stop lever is connected with the shoulder limiting bracket through a first rotating connection structure of which the rotating axis extends along the left-right direction.

3. The spinal muscular training apparatus of claim 1, wherein: the left side and the right side of the shoulder limiting support are also provided with a left shoulder baffle and a right shoulder baffle, the distance between the left shoulder baffle and the right shoulder baffle is adjustable, and the left shoulder baffle and the right shoulder baffle are connected with the shoulder limiting support through a second rotating connecting structure of which the axes extend along the up-down direction.

4. The spinal muscular training apparatus of claim 1, wherein: the backrest support is provided with a lifting adjusting support along the up-down direction in a guiding and moving way, and the shoulder limiting support is arranged on the lifting adjusting support.

5. The spinal muscular training apparatus of claim 4, wherein: the shoulder limiting support is connected with the lifting adjusting support through a third rotating connecting structure of which the rotating axis extends along the front-rear direction, and a second moment sensor is arranged between the shoulder limiting support and the lifting adjusting support.

6. The spinal muscular training apparatus of claim 1, wherein: the rotating support comprises a rotating shaft which is vertically arranged and a force transmission plate which is fixed at the upper end of the rotating shaft, the backrest support comprises a first support leg and a second support leg which are arranged at left and right intervals, one end of the force transmission plate is connected with the bottom of the first support leg through the first moment sensor, and the other end of the force transmission plate is connected with the bottom of the second support leg through a bearing.

7. The spinal muscular training apparatus of claim 1, wherein: the power mechanism comprises an electric push rod which is connected with the rotary support through a transmission structure to drive the rotary support to rotate back and forth, and the transmission structure is provided with an encoder and a third torque sensor.

8. The spinal muscle training device according to any one of claims 1-7, wherein: the device base is provided with a leg fixing support which can be used for fixing the legs of a user through front-back overturning on the front side of the seat, the leg fixing support comprises an upper leg pressing rod and a lower leg pressing rod which are arranged at intervals, and the lengths of the upper leg pressing rod and the lower leg pressing rod extend in the left-right direction.

9. The spinal muscular training apparatus of claim 8, wherein: the heights of the upper side pressing leg rod and the lower side pressing leg rod are adjustable.

10. The spinal muscular training apparatus of claim 8, wherein: the base is provided with a gas spring connected with the leg support.