CN210990992U

CN210990992U - Lumbar vertebra traction device driven by pneumatic muscles

Info

Publication number: CN210990992U
Application number: CN201921280901.5U
Authority: CN
Inventors: 李向攀; 杜玉发; 张亚泰; 王惠惠; 司垚鑫; 孙帅超
Original assignee: Henan University of Science and Technology
Current assignee: Henan University of Science and Technology
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-07-14
Anticipated expiration: 2029-08-08

Abstract

A lumbar traction device driven by pneumatic muscles comprises an upper limb fixing frame and a waist fixing frame, wherein the upper limb fixing frame is connected with a rotating shaft, the rotating shaft is inserted on the waist fixing frame, the waist fixing frame is connected with a crotch tightening belt, the upper limb fixing frame is connected with a plurality of pneumatic muscles, the pneumatic muscles are all connected with the shoulder tightening belt, and the pneumatic muscles are used for synchronously inflating and shortening in the direction away from the waist fixing frame, so that the shoulder tightening belt and the crotch tightening belt can be matched to stretch and draw a human body; the cover is equipped with flexible steel wire in the pivot, and flexible steel wire twines in the pivot with the spiral, is connected with pneumatic muscle and extension spring on the waist mount, and pneumatic muscle and extension spring are connected with flexible steel wire's both ends respectively, aerifys through pneumatic muscle and shortens to make flexible steel wire drive the synchronous rotation of pivot to make the extension spring by synchronous tensile, make upper limbs mount and waist mount can cooperate and carry out rotatory traction to the human body, make the upper limbs mount restore to the throne after rotatory traction is accomplished through the elastic force of extension spring.

Description

Lumbar vertebra traction device driven by pneumatic muscles

Technical Field

The utility model relates to a lumbar vertebrae draw gear field especially relates to an adopt pneumatic muscle driven lumbar vertebrae draw gear.

Background

In recent years, with the increase of people who work in a sitting posture, the lumbar spondylosis becomes a high-incidence national ministry of health survey, and the incidence rate of the lumbar spondylosis is only second to cold and becomes a common disease which interferes with the public. The human body is affected by the weight, age and other external factors such as gravity, pressure, occupation habitual posture and the like for a long time, so that the phenomenon of extrusion or bending deformation occurs between the spine and joints of each part of the human body, various types of lumbar diseases are caused, and the patient is suffered from pain and discomfort. In medicine, lumbar intervertebral disc protrusion, degenerative disorder, strain, dislocation, lumbar intervertebral disc protrusion or physiological curvature disappearance of the spine and other diseases related to cervical vertebra and lumbar vertebra are mainly treated by correcting the deformation of the spine and the lumbar vertebra. The prevention of diseases accompanying the development of society is becoming the center of gravity of medical treatment.

The lumbar traction is to utilize the traction force and the counter traction force to act on the lumbar, achieve the purpose of treating the lumbar disc herniation by traction in opposite directions, also can enable the lumbar to have a full rest, reduce the stimulation of movement, be beneficial to the absorption and the regression of tissue congestion and edema, also can relieve muscle spasm and relieve the pressure of the intervertebral space. In the existing lumbar traction device, the traction force of a common traction treatment bed is mainly controlled by a doctor, the increase and decrease of weights completely depend on the experience of the doctor, the precision of the traction force cannot be determined, the intelligent traction treatment bed is intelligent, but the traction is carried out by adopting a stepping motor, the traction force hardness is large, so that people feel untimely when the traction force is gradually increased in the traction process, overlarge traction force can obviously and rapidly act on a human body, muscle strain and bone fracture are easily caused, the effect of traction treatment and the experience of the people are poor, the machine-controlled traction bed is high in cost, large in occupied area and difficult to meet the needs of users.

SUMMERY OF THE UTILITY MODEL

For solving the problem that the existing lumbar traction device is difficult to meet the use requirement, the utility model provides an adopt pneumatic muscle driven lumbar traction device.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: a lumbar traction device driven by pneumatic muscles comprises an upper limb fixing frame and a waist fixing frame, wherein one end of the upper limb fixing frame is provided with a rotating shaft, the rotating shaft is inserted on the waist fixing frame, so that the upper limb fixing frame and the waist fixing frame can rotate relatively, and the rotating shaft is clamped by the waist fixing frame to limit the displacement of the upper limb fixing frame relative to the waist fixing frame;

one side of the waist fixing frame is connected with a crotch tightening belt, one end of the upper limb fixing frame, which is far away from the waist fixing frame, is connected with a plurality of pneumatic muscles, the pneumatic muscles are all connected with the same shoulder tightening belt, the pneumatic muscles are divided into two groups, the two groups of pneumatic muscles are respectively positioned on two sides of the rotating shaft and symmetrically arranged around the rotating shaft, so that after the shoulder tightening belt fixes the shoulders of the human body, the two groups of pneumatic muscles are symmetrically positioned on two sides of the head of the human body, which face the shoulders; the two groups of pneumatic muscles are synchronously inflated and shortened in the direction far away from the waist fixing frame, so that the shoulder part tightening belt and the crotch part tightening belt can be matched to stretch and draw the human body;

the cover is equipped with a flexible steel wire in the pivot, and flexible steel wire twines in the pivot with the spiral, is connected with a pneumatic muscle and an extension spring on the waist mount, pneumatic muscle and extension spring are connected with the both ends of flexible steel wire respectively, and the axis of pneumatic muscle and the axis of extension spring all set up with the pivot is perpendicular, and the one end that drives flexible steel wire when aerifing to shorten through pneumatic muscle is to keeping away from the pivot direction motion, makes the winding to rotate in the epaxial flexible steel wire drive pivot synchronous rotation in commentaries on classics, and the other end that drives flexible steel wire makes the extension spring by synchronous tensile to being close to the pivot direction motion, thereby makes upper limbs mount and waist mount can cooperate and carry out rotatory traction to the human body, and the elastic force through the extension spring drives flexible steel wire and pivot antiport behind pneumatic muscle release.

Preferably, one side of the waist fixing frame, which is far away from the crotch tightening belt, is provided with a pair of chair back fixing frames which are used for respectively clamping two sides of the bottom end of the chair back along the width direction when the lumbar traction device is vertically placed on the chair; two sections of slide rails are mounted on the upper limb fixing frame, slide blocks are mounted on the slide rails, and one ends, far away from the waist fixing frame, of the two sets of pneumatic muscles are respectively connected with one slide block, so that after the shoulder tightening belts fix shoulders of a human body, the two sets of pneumatic muscles can synchronously move along the front and back directions of the human body, and the angle between the upper limbs of the human body and the vertical direction can be conveniently adjusted when the lumbar vertebra traction device is vertically placed on the seat.

Preferably, the slider adopts the electrodynamic type slider, and two motors are installed to the one end that the waist mount was kept away from to the upper limbs mount for drive respective slider motion respectively.

Preferably, the upper limb fixing frame is provided with two pneumatic muscles, one ends of the two pneumatic muscles are respectively connected with respective sliding blocks, the sliding blocks are further connected with springs, one ends of the springs are connected with the upper limb fixing frame, and the reciprocating motion of the sliding blocks on the sliding rails is realized by the cooperation of the pneumatic muscles, the spring and the elastic acting force of the springs.

Preferably, an electric heating and vibrating backrest is connected to one side of the shoulder tightening belt facing the upper limb fixing frame.

Preferably, the pneumatic muscle and the extension spring connected to the waist fixing frame are respectively located on two sides of the rotating shaft, and the initial length of the extension spring is the same as the length of the pneumatic muscle when the pneumatic muscle is not inflated.

Preferably, the upper limb fixing frame and the waist fixing frame are frame structures formed by connecting a plurality of telescopic rods, so that the length of the upper limb fixing frame along the height direction of the human body, the length of the upper limb fixing frame along the directions of two sides of the shoulder of the human body and the length of the waist fixing frame along the directions of two sides of the waist of the human body can be adjusted.

Preferably, a plurality of hand wheels are installed on the upper limb fixing frame and the waist fixing frame, and the telescopic rods which are stretched to the required length are locked through the hand wheels.

Preferably, one end of the rotating shaft penetrates through the telescopic rod at one side of the waist fixing frame, which faces the upper limb fixing frame, the rotating shaft is sleeved with two bearings, and two side surfaces of the telescopic rod, which are penetrated through by the rotating shaft, are respectively clamped by the two bearings.

According to the technical scheme, the beneficial effects of the utility model are that:

the utility model provides an adopt pneumatic muscle driven lumbar vertebrae draw gear, adopted pneumatic muscle as the power source of traction action, and pneumatic muscle is through the mode of aerifing carry out the flexible deformation to change the length of self, therefore, pneumatic muscle's traction force can be controlled in a flexible way through the regulation to the aeration quantity in this device, avoided current ordinary traction treatment bed traction force mainly by doctor control, lead to the problem that can't confirm the drawing force precision; and, it compares to adopt step motor to pull with current intelligent traction treatment bed, pneumatic muscle has stronger flexibility to the traction force that the human body was applyed, make personnel feel untimely when traction force is crescent gradually in the traction process, too big traction force also can be through the comparatively gentle effect human body of pneumatic muscle self flexibility, the draw gear traction force hardness of having avoided current step motor drive formula is great, cause muscle strain and the cracked problem of skeleton easily, the effect and the personnel that have promoted traction treatment experience, moreover, the steam generator is simple in structure, the cost is lower, can satisfy user's needs.

The utility model can simultaneously realize the stretching traction and the rotating traction to the human body, and the device can be fixed and vertically placed on the seat through the matching of a pair of chair back fixing frames, thereby, when people are in a sitting posture, the lumbar vertebra traction can be carried out, the people are not only lie flat, and the two groups of pneumatic muscles can synchronously move along the front and back directions of the human body through the movement of the slide block along the slide rail, thereby when the lumbar vertebra traction device is vertically placed on the seat, the angle between the upper limbs of the human body and the vertical direction can be adjusted at any time, so that the personnel can carry out lumbar vertebra traction in the sitting posture with the upper body leaning forward, thereby leading the personnel to read, write and the like while the lumbar vertebra is dragged, compared with the prior common traction treatment bed, the traction treatment process of personnel is obviously more beneficial, and the actual requirements of personnel can be met.

The utility model discloses in, upper limbs mount and waist mount all can adopt many telescopic links to connect and form, make the upper limbs mount along the length of human height direction, the length of upper limbs mount along human shoulder both sides direction, the length homoenergetic of waist mount along human waist both sides direction can be adjusted, make the utility model discloses can be applicable to the personnel of different height weights, promoted the utility model discloses an application scope, the length adjustment of each telescopic link can pass through the nimble control of hand wheel, and not only easy and simple to handle has also avoided the device cost too high.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged view of a portion of the lower portion of FIG. 1;

fig. 3 is a schematic front view of the present invention;

fig. 4 is a schematic top view of the present invention.

The labels in the figure are: 1. the device comprises an upper limb fixing frame, 2, a waist fixing frame, 3, a rotating shaft, 4, a crotch tightening belt, 5, pneumatic muscles, 6, a shoulder tightening belt, 7, a flexible steel wire, 8, a tension spring, 9, a bearing, 10, a chair back fixing frame, 11, a sliding rail, 12, a sliding block, 13, a heating vibration backrest, 14 and a hand wheel.

Detailed Description

Referring to the drawings, the specific embodiments are as follows:

a lumbar vertebra traction device driven by pneumatic muscles 5 comprises an upper limb fixing frame 1 and a waist fixing frame 2, wherein one end of the upper limb fixing frame 1 is provided with a rotating shaft 3, the rotating shaft 3 is inserted on the waist fixing frame 2, so that the upper limb fixing frame 1 and the waist fixing frame 2 can rotate relatively, and the rotating shaft 3 is clamped by the waist fixing frame 2 to limit the displacement of the upper limb fixing frame 1 relative to the waist fixing frame 2; in the embodiment, the upper limb fixing frame 1 and the waist fixing frame 2 are both frame structures formed by connecting a plurality of telescopic rods, so that the length of the upper limb fixing frame 1 along the height direction of the human body, the length of the upper limb fixing frame 1 along the two sides of the shoulder of the human body and the length of the waist fixing frame 2 along the two sides of the waist of the human body can be adjusted, the embodiment can be suitable for people with different heights and weights, a plurality of hand wheels 14 are arranged on the upper limb fixing frame 1 and the waist fixing frame 2, and the telescopic rods which are stretched to the required lengths are locked through the hand wheels; in this embodiment, one end of the rotating shaft 3 penetrates through the telescopic rod on the side of the waist fixing frame 2 facing the upper limb fixing frame 1, the two bearings 9 are sleeved on the rotating shaft 3, the two side surfaces of the telescopic rod penetrated by the rotating shaft 3 are respectively clamped by the two bearings 9, and the two bearings 9 are limited by the matching of the shaft shoulder of the rotating shaft 3 and the nut screwed on the rotating shaft 3 along the axial direction of the rotating shaft 3.

One side of the waist fixing frame 2 is connected with a crotch tightening belt 4, one end of the upper limb fixing frame 1, which is far away from the waist fixing frame 2, is connected with a plurality of pneumatic muscles 5, the pneumatic muscles 5 are all connected with the same shoulder tightening belt 6, the pneumatic muscles 5 are divided into two groups, the two groups of pneumatic muscles 5 are respectively positioned at two sides of the rotating shaft 3 and symmetrically arranged around the rotating shaft 3, so that after the shoulder tightening belt 6 is used for fixing the shoulders of the human body, the two groups of pneumatic muscles 5 are symmetrically positioned at two sides of the head of the human body, which face the shoulders; the synchronous inflation and shortening in the direction away from the waist fixing frame 2 through two groups of pneumatic muscles 5 enables the shoulder-contracting belt 6 and the crotch-contracting belt 4 to be matched to stretch and pull the human body, one side, facing the upper limb fixing frame 1, of the shoulder-contracting belt 6 is connected with an electric heating and vibrating backrest 13, and the back of the human body can be heated and vibrated and massaged when the shoulder-contracting belt 6 is pulled.

The rotating shaft 3 is sleeved with a flexible steel wire 7, the flexible steel wire 7 is spirally wound on the rotating shaft 3, the waist fixing frame 2 is connected with a pneumatic muscle 5 and a tension spring 8, the pneumatic muscle 5 and the tension spring 8 are respectively positioned at two sides of the rotating shaft 3, the pneumatic muscle 5 and the tension spring 8 are respectively connected with two ends of the flexible steel wire 7, the axis of the pneumatic muscle 5 and the axis of the tension spring 8 are both vertical to the rotating shaft 3, the initial length of the tension spring 8 is the same as the length of the pneumatic muscle 5 when the pneumatic muscle 5 is not inflated, one end of the flexible steel wire 7 is driven to move towards the direction far away from the rotating shaft 3 when the pneumatic muscle 5 is inflated and shortened, the flexible steel wire 7 wound on the rotating shaft 3 drives the rotating shaft 3 to synchronously rotate, the other end of the flexible steel wire 7 is driven to move towards the direction close to the rotating shaft 3 so that the tension spring 8 is, the flexible steel wire 7 and the rotating shaft 3 are driven to reversely rotate after the pneumatic muscle 5 releases pressure through the elastic acting force of the tension spring 8, so that the upper limb fixing frame 1 is reset after the rotary traction is completed.

A pair of chair back fixing frames 10 are arranged on one side of the waist fixing frame 2 far away from the crotch tightening belt 4 and used for respectively clamping two sides of the bottom end of the chair back along the width direction when the lumbar traction device is vertically placed on the chair; two sections of slide rails 11 are installed on the upper limb fixing frame 1, slide blocks 12 are installed on the slide rails 11, one ends, far away from the waist fixing frame 2, of the two sets of pneumatic muscles 5 are respectively connected with one respective slide block 12, so that after the shoulder belt 6 is used for fixing the shoulders of a human body, the two sets of pneumatic muscles 5 can synchronously move along the front and back directions of the human body, the angle between the upper limbs of the human body and the vertical direction can be adjusted when the lumbar traction device is vertically placed on a seat, the lumbar traction can be carried out by people in sitting postures with the upper body leaning forward, and therefore the people can read, write and the like while the lumbar traction is carried out.

In order to realize the movement of the sliding block 12, the sliding block 12 can be an electric sliding block, and two motors are installed at one end of the upper limb fixing frame 1 far away from the waist fixing frame 2 and used for respectively driving the sliding blocks 12 to move; two pneumatic muscles 5 (not shown in the figure) can be arranged on the upper limb fixing frame 1, one ends of the two pneumatic muscles 5 are respectively connected with the respective sliding blocks 12, the sliding blocks 12 are also connected with a spring (not shown in the figure), one end of the spring is connected with the upper limb fixing frame 1, the reciprocating motion of the sliding blocks 12 on the sliding rails 11 is realized by the cooperation of the inflation shortening of the pneumatic muscles 5 and the elastic acting force of the spring, the device has the advantages of simple structure and lower cost, and the requirements of users can be met.

Claims

1. A lumbar traction device driven by pneumatic muscles (5) is characterized in that: the upper limb fixing frame comprises an upper limb fixing frame (1) and a waist fixing frame (2), wherein one end of the upper limb fixing frame (1) is provided with a rotating shaft (3), the rotating shaft (3) is inserted on the waist fixing frame (2), so that the upper limb fixing frame (1) and the waist fixing frame (2) can rotate relatively, and the rotating shaft (3) is clamped through the waist fixing frame (2) to limit the displacement of the upper limb fixing frame (1) relative to the waist fixing frame (2);

one side of the waist fixing frame (2) is connected with a crotch tightening belt (4), one end, far away from the waist fixing frame (2), of the upper limb fixing frame (1) is connected with a plurality of pneumatic muscles (5), the pneumatic muscles (5) are all connected with the same shoulder tightening belt (6), the pneumatic muscles (5) are divided into two groups, the two groups of pneumatic muscles (5) are respectively positioned on two sides of the rotating shaft (3) and are symmetrically arranged relative to the rotating shaft (3), and after the shoulder tightening belt (6) fixes the shoulders of the human body, the two groups of pneumatic muscles (5) are symmetrically positioned on two sides, facing the shoulders, of the head of the human body; the two groups of pneumatic muscles (5) are synchronously inflated and shortened in the direction far away from the waist fixing frame (2), so that the shoulder part tightening belt (6) and the crotch part tightening belt (4) can be matched to stretch and draw the human body;

the flexible steel wire (7) is sleeved on the rotating shaft (3), the flexible steel wire (7) is wound on the rotating shaft (3) in a spiral shape, the waist fixing frame (2) is connected with a pneumatic muscle (5) and a tension spring (8), the pneumatic muscle (5) and the tension spring (8) are respectively connected with two ends of the flexible steel wire (7), the axis of the pneumatic muscle (5) and the axis of the tension spring (8) are both perpendicular to the rotating shaft (3), one end of the flexible steel wire (7) is driven to move towards the direction far away from the rotating shaft (3) when the pneumatic muscle (5) is inflated and shortened, the flexible steel wire (7) wound on the rotating shaft (3) drives the rotating shaft (3) to synchronously rotate, the other end of the flexible steel wire (7) is driven to move towards the direction close to the rotating shaft (3) so that the tension spring (8) is synchronously stretched, and therefore, the upper limb fixing frame (1) and the waist fixing frame (, the flexible steel wire (7) and the rotating shaft (3) are driven to reversely rotate after the pneumatic muscle (5) is relieved by the elastic acting force of the tension spring (8), so that the upper limb fixing frame (1) is reset after the rotary traction is finished.

2. A lumbar traction device driven by pneumatic muscles (5) according to claim 1, characterized in that: a pair of chair back fixing frames (10) are arranged on one side of the waist fixing frame (2) far away from the crotch tightening belt (4) and used for respectively clamping two sides of the bottom end of the chair back along the width direction when the lumbar traction device is vertically placed on the chair; install two sections slide rail (11) on upper limbs mount (1), install slider (12) on slide rail (11), the one end that waist mount (2) were kept away from in two sets of pneumatic muscle (5) is connected with respective slider (12) respectively, makes shoulder receipts band (6) fix the back to human shoulder, and human positive back direction synchronous motion can be followed in two sets of pneumatic muscle (5) to adjust the angle between human upper limbs and the vertical direction when lumbar vertebrae draw gear is put immediately on the seat.

3. A lumbar traction device driven by pneumatic muscles (5) according to claim 2, characterized in that: the slider (12) adopts the electrodynamic type slider, and two motors are installed to the one end that waist mount (2) were kept away from in upper limbs mount (1) for drive respective slider (12) motion respectively.

4. A lumbar traction device driven by pneumatic muscles (5) according to claim 2, characterized in that: the upper limb fixing frame is characterized in that two pneumatic muscles (5) are installed on the upper limb fixing frame (1), one ends of the two pneumatic muscles (5) are respectively connected with respective sliding blocks (12), the sliding blocks (12) are further connected with springs, one ends of the springs are connected with the upper limb fixing frame (1), and the reciprocating motion of the sliding blocks (12) on the sliding rails (11) is realized through the cooperation of the inflation shortening of the pneumatic muscles (5) and the elastic acting force of the springs.

5. A lumbar traction device driven by pneumatic muscles (5) according to claim 2, characterized in that: one side of the shoulder tightening belt (6) facing the upper limb fixing frame (1) is connected with an electric heating and vibrating backrest (13).

6. A lumbar traction device driven by pneumatic muscles (5) according to claim 1, characterized in that: pneumatic muscle (5) and extension spring (8) of connecting on waist mount (2) are located the both sides of pivot (3) respectively, and the initial length of extension spring (8) is the same with the length when this pneumatic muscle (5) do not aerify.

7. A lumbar traction device driven by pneumatic muscles (5) according to claim 1, characterized in that: the upper limb fixing frame (1) and the waist fixing frame (2) are of a frame structure formed by connecting a plurality of telescopic rods, so that the length of the upper limb fixing frame (1) along the height direction of a human body, the length of the upper limb fixing frame (1) along the directions of two sides of the shoulder of the human body and the length of the waist fixing frame (2) along the directions of two sides of the waist of the human body can be adjusted.

8. A lumbar traction device using pneumatic muscle (5) drive according to claim 7, characterized in that: a plurality of hand wheels (14) are arranged on the upper limb fixing frame (1) and the waist fixing frame (2), and the telescopic rods which stretch to the required length are locked through the hand wheels (14).

9. A lumbar traction device using pneumatic muscle (5) drive according to claim 7, characterized in that: one end of the rotating shaft (3) penetrates through the telescopic rod on one side of the waist fixing frame (2) towards the upper limb fixing frame (1), the rotating shaft (3) is sleeved with two bearings (9), and two side faces of the telescopic rod, through which the rotating shaft (3) penetrates, are respectively clamped through the two bearings (9).