CN108261726B - Three-dimensional lumbar muscle strength strengthening training device - Google Patents
Three-dimensional lumbar muscle strength strengthening training device Download PDFInfo
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- CN108261726B CN108261726B CN201810252916.4A CN201810252916A CN108261726B CN 108261726 B CN108261726 B CN 108261726B CN 201810252916 A CN201810252916 A CN 201810252916A CN 108261726 B CN108261726 B CN 108261726B
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- 210000003205 muscle Anatomy 0.000 title claims abstract description 21
- 238000005728 strengthening Methods 0.000 title abstract description 8
- 230000007306 turnover Effects 0.000 claims abstract description 90
- 230000007246 mechanism Effects 0.000 claims abstract description 71
- 230000002457 bidirectional effect Effects 0.000 claims description 18
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000554 physical therapy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/02—Exercising apparatus specially adapted for particular parts of the body for the abdomen, the spinal column or the torso muscles related to shoulders (e.g. chest muscles)
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/068—User-manipulated weights using user's body weight
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Pulmonology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention relates to a three-dimensional lumbar muscle strength strengthening training device, which comprises a base, a turnover mechanism and a rotation mechanism, wherein the rotation mechanism uses the gravity of a user when the body of the user is inclined in multiple directions and multiple angles as resistance to strengthen the lumbar muscle strength, so that not only can a good comprehensive exercise effect be achieved, but also the self-adaption effect is achieved for each user due to the adoption of the weight of the user as resistance, the load size of each user cannot be difficult to grasp like other instruments.
Description
Technical Field
The invention relates to a mechanical mechanism, in particular to a three-dimensional lumbar muscle strength strengthening training device, and belongs to the field of machinery.
Background
In the fields of medical equipment, physiotherapy equipment and rehabilitation training equipment, the rehabilitation training device for the waist is less, because the muscle groups of the waist are more, the action of the waist often pulls a plurality of parts of the body to act cooperatively, the training of the waist by the existing equipment often only can focus on a certain group or a plurality of groups of muscles, and the relevant muscles of the waist cannot be comprehensively and moderately trained and strengthened.
Disclosure of Invention
The invention aims to overcome the problems of the traditional lumbar muscle strength rehabilitation training device and provides a three-dimensional lumbar muscle strength strengthening training device.
In order to achieve the purpose of the invention, the following technical scheme is adopted: the three-dimensional lumbar muscle strength strengthening training device comprises a base, a turnover frame and a rotation mechanism, wherein a turnover support A and a turnover support B are symmetrically arranged on two sides of the base 1, a seat bearing A and a seat bearing B are respectively and horizontally arranged at the top ends of the turnover support A and the turnover support B, a turnover shaft A and a turnover shaft B are respectively arranged in the seat bearing A and the seat bearing B in a penetrating manner, one end of the turnover shaft A is fixedly connected with the side wall of the turnover frame, the other end of the turnover shaft A is fixedly connected with a turnover connecting rod A, one end of the turnover shaft B is fixedly connected with the side wall of the turnover frame, the other end of the turnover shaft A is fixedly connected with the turnover connecting rod B, the axes of the turnover shaft A and the turnover shaft B are on the same horizontal line, a turnover electric push rod is arranged on the side surface of the turnover support A, the telescopic end of the turnover electric push rod is hinged with the turnover connecting rod A, a hydraulic damper is arranged on the side surface of the turnover support B, the telescopic end of the hydraulic damper is hinged with the turnover connecting rod B, and the other end of the hydraulic damper is hinged with the turnover connecting rod B;
the rotation mechanism comprises a rotation chassis, a pedal and a stand column, wherein the rotation chassis is arranged at the bottom of a turnover frame, a speed reducer is arranged on the rotation chassis and is connected with the pedal through a rotation shaft, the stand column is arranged on the pedal, the top end of the stand column is provided with a top rotation shaft, the top rotation shaft is rotationally connected with the top end of the turnover frame through a bearing, the rotation shaft is coaxial with the top rotation shaft, the rotation mechanism can be driven to rotate inside the turnover frame through the speed reducer, a display bracket is arranged on the upper portion of the stand column, a display is arranged at the front end of the display bracket, a waist locking device is arranged in the middle of the stand column, a lining plate is arranged on the back surface of the upper portion of the lining plate, the display bracket is slidably connected with the support guide rail through a sliding block, the display bracket is driven to move along the support guide rail through a display bracket driving mechanism, the middle of the front surface of the lining plate is provided with a waist guide rail, the waist locking device is rotatably connected with the waist guide rail through a sliding block, a waist electric push rod is arranged below the waist locking device, a waist electric push rod telescopic end is hinged with the bottom of the waist locking device, the other end of the waist electric push rod is hinged with the pedal, and the waist electric waist can be driven to slide up and down along the waist guide rail through waist electric push rod telescopic waist.
Further on the upper surface of the pedal, the front end of the upright post is provided with a shank limiting beam, and the outer surface of the shank limiting beam is provided with a flexible liner layer.
Further display support actuating mechanism be hold-in range actuating mechanism, set up support actuating motor on the stand top, support actuating motor pivot is connected with the action wheel through U type interface, sets up from the driving wheel in back guide rail below, hold-in range one end is connected with display support upper end, the hold-in range other end is followed the action wheel and is followed the driving wheel and is walked around and be connected with display support lower extreme from the driving wheel, through support actuating motor rotation, can drive the action wheel rotation to drive the hold-in range rotation, drive display support and reciprocate along the support guide rail.
The overturning frame is further annular.
Further the waist locking device comprises a mounting bracket, a C-shaped bracket and an arm holding mechanism, wherein the mounting bracket is fixedly connected with the C-shaped bracket, two waist propping mechanisms are symmetrically arranged on the inner side wall of the back part of the C-shaped bracket, each waist propping mechanism comprises a propping base, a threaded rod, a guide post and a waist top plate, the waist propping mechanisms are fixedly connected with the C-shaped bracket through the propping bases, the propping bases are arranged in the C-shaped bracket, thread sleeves and linear bearings are respectively arranged at two ends of the propping bases, the thread sleeves are penetrated at one end of each propping base and are fixedly connected with the propping base, the linear bearings are penetrated at the other end of each propping base and are fixedly connected with the propping base, threaded rods are penetrated in the thread sleeves, a rotating handle is arranged at the rear end of each threaded rod, the threaded rods are fixedly connected with the rotating handle, and the front ends of the threaded rods are provided with the waist top plates, the front end of the threaded rod is rotationally connected with the waist top plate through a bearing, a guide post is penetrated in the linear bearing, the axis of the guide post is parallel to the axis of the threaded rod, the front end of the guide post is fixedly connected with the waist top plate, arm holding mechanisms are respectively arranged at the two ends of the C-shaped support, each arm holding mechanism is formed by rotationally connecting an arm holding plate with the C-shaped support through an arm holding rotating mechanism, each arm holding rotating mechanism comprises an arm holding rotating shaft, an arm holding shaft sleeve, an arm holding bearing seat and a bidirectional ratchet mechanism, the arm holding shaft sleeve is fixedly connected with the side wall of the end part of the C-shaped support, the arm holding rotating shaft is penetrated in the arm holding shaft sleeve, the arm holding rotating shaft is a step shaft, a small diameter section at the upper part of the arm holding rotating shaft is rotationally connected with the arm holding seat through the arm holding bearing, the side surface of the arm holding bearing seat is fixedly connected with the arm holding plate, the ratchet rotating shaft of the bidirectional ratchet mechanism is fixedly connected with the bottom end of the arm holding rotating shaft, the inner ratchet gear sleeve connecting arm of the bidirectional ratchet mechanism is connected with the arm holding plate in a static way.
Further two-way ratchet includes outer ratchet fixture block, interior ratchet gear cover, ratchet pivot, elastic wire ring, driver plate, stop bolt and cone pressure spring, the middle part of ratchet pivot sets up circular protruding edge, and ratchet pivot lower part is a cylinder, cuts the shoulder to ratchet pivot both sides from ratchet pivot bottom, obtains a big one and a little two bottom surfaces that the position is relative and is the arched column breach, outer ratchet fixture block is the bottom surface and is arched column structure, and the ratchet sets up on outer ratchet fixture block cylinder side, outwards sets up outer ratchet fixture block ratchet in the great column breach of ratchet pivot lower part to insert ratchet pivot and outer ratchet fixture block together in interior ratchet gear cover, interior ratchet gear cover upper surface card is in the protruding shoulder of ratchet pivot, interior ratchet gear cover lower part sets up the driver plate, and the driver plate middle part sets up the round hole, and with the stop bolt that the cover has cone pressure spring passes driver plate round hole and ratchet pivot threaded connection, and the driver plate upper portion sets up the spacing post with the position that the little column breach of ratchet pivot corresponds, and elastic wire ring middle part fixed connection, the driver plate of elastic wire ring penetrates in the round hole of outer ratchet fixture block.
And a layer of cushion layer is further arranged on the outer surfaces of the arm holding plate and the waist top plate.
Further set up to square joint A in the ratchet pivot top of two-way ratchet, set up spring plunger A in square joint A's lateral wall, arm-holding pivot bottom sets up square hole A that corresponds with square joint A, set up the draw-in hole A that corresponds with spring plunger A in the relevant position of square hole A inside wall, make square joint A insert square hole A back spring plunger A's flexible end bullet go into draw-in hole A, two-way ratchet's interior ratchet gear cover linking arm tip sets up to square joint B, set up spring plunger B at square joint B's lateral wall, arm-holding board lower part and square adapter fixed connection, square hole B is established in square adapter, set up draw-in hole B in square hole B relevant position of square adapter, make square joint B insert square hole B in square adapter, spring plunger B's flexible head bullet goes into draw-in hole B.
The invention has the positive and beneficial technical effects that: the three-dimensional lumbar muscle strength strengthening training device provided by the invention uses the gravity of a user when the body of the user is inclined in multiple directions and multiple angles as resistance to strengthen lumbar muscle strength, not only can play a good comprehensive exercise effect, but also has a self-adaptive effect on each user due to the adoption of the weight of the user as resistance, and the load size of the device cannot be difficult to grasp like other instruments.
Drawings
Fig. 1 is a perspective view of the structure of the present invention.
Figure 2 is a schematic view of the invention in longitudinal section.
Fig. 3 is a rear view of the present invention.
Fig. 4 is a right side view of the present invention.
Fig. 5 is a left side view of the present invention.
Fig. 6 is a bottom view of the present invention.
Figure 7 is a top view of the lumbar locking device.
Fig. 8 is an enlarged partial view of the section in fig. 1.
Figure 9 is a side view of the lumbar lock.
Figure 10 is a schematic view of the arm lock mechanism assembly of the lumbar lock.
Figure 11 is a schematic view of the appearance of the two-way ratchet mechanism of the lumbar locking device.
Figure 12 is a schematic view of the assembly of the parts of the two-way ratchet mechanism of the lumbar lock.
FIG. 13 is a schematic view of a cross-sectional structure of a bi-directional ratchet mechanism of the lumbar locking device
Detailed Description
In order to more fully explain the practice of the invention, examples of the practice of the invention are provided. These examples are merely illustrative of the present invention and do not limit the scope of the invention.
The invention will be explained in further detail with reference to the accompanying drawings, in which: 1: base, 2: overturning frame, 3: rotation mechanism, 4: overturning bracket B,5: hydraulic damper, 6: bearing with seat B,7: overturning an electric push rod, 8: overturning bracket a,9: seated bearings a,10: waist electric putter, 11: the inversion shafts a,12: the turning shafts B,13: rotation shaft, 14: top spindle, 15: speed reducer, 16: bracket driving motor, 17: driving wheel, 18: driven wheel, 19: flip links a,20: flip links B,21: a bracket guide rail 22, a buffer; 31: display stand, 311: display, 32: upright post, 321: lumbar guide rail, 33: waist locking device, 331: mounting bracket, 332: c-shaped bracket, 333: arm holding mechanism, 334: waist tightening mechanism, 335: threaded sleeve, 336: turning the handle, 337: threaded rod, 338: guide post, 339: linear bearing, 3310: a protective cover layer, 3311: bearing, 3312: waist top panel, 3313: arm embracing plate 3314: arm-holding rotating shaft 3315: arm-embracing sleeve, 3316: arm bearing, 3317: arm bearing mount, 3318: bidirectional ratchet mechanism, 3319: square adapter, 3320: square joints a,3321: spring plungers a,3322 square joints B,3323: spring plungers B,3324: dial, 3325: an inner ratchet gear sleeve, 3326: outer ratchet clip, 3327: ratchet shaft, 3328: elastic wire ring, 3329: spacing post, 3330: limit bolt, 3331: conical compression springs, 34: rotation chassis, 35: pedal, 36: the lower leg limiting beam. The solid circular line indicated at 334 in fig. 7 does not represent structural lines of the device, but rather the lumbar support mechanism is shown as a whole, which is shown in greater detail in fig. 8.
As shown in the drawing, the three-dimensional lumbar muscle strength strengthening training device comprises a base 1, a turnover frame 2 and a rotation mechanism 3, wherein a turnover support A8 and a turnover support B4 are symmetrically arranged on two sides of the base 1, a seat bearing A9 and a seat bearing B6 are respectively and horizontally arranged at the top ends of the turnover support A8 and the turnover support B4, a turnover shaft A11 and a turnover shaft B12 are respectively arranged in the seat bearing A9 and the seat bearing B6 in a penetrating manner, one end of the turnover shaft A11 is fixedly connected with the side wall of the turnover frame 2, the other end of the turnover shaft A11 is fixedly connected with a turnover connecting rod A19, one end of the turnover shaft B12 is fixedly connected with the side wall of the turnover frame 2, the other end of the turnover shaft A11 is fixedly connected with a turnover connecting rod B20, the axes of the turnover shaft A11 and the turnover shaft B12 are on the same horizontal line, a turnover electric push rod 7 is arranged on the side surface of the turnover support A8, the telescopic end of the turnover electric push rod 7 is hinged with the turnover connecting rod A19, a hydraulic damper 5 is arranged on the side surface of the turnover support B4, the telescopic end of the hydraulic damper 5 is hinged with the turnover connecting rod B20, the other end of the hydraulic damper 5 is hinged with the turnover connecting rod 4, and the turnover shaft B4 is hinged with the turnover shaft B11 through the telescopic end and the turnover shaft B11; of course, the overturning angle is controlled by the overturning electric push rod 7, in order to increase the safety coefficient and prevent the situation that the overturning angle is overlarge due to equipment faults and brings danger to a user, a limiting plate can be arranged on a base at the front side of the overturning frame 2 when the overturning frame 2 is in a vertical state, a buffer 22 is arranged between the limiting plate and a rotation chassis 34 arranged at the bottom of the overturning frame 2 at a contact point, and the rotation chassis 34 and the limiting plate are prevented from violently colliding and causing danger or damage to equipment
The rotation mechanism comprises a rotation chassis 34, a pedal 35 and a stand column 32, wherein the rotation chassis 34 is arranged at the bottom of the turnover frame 2, a speed reducer 15 is arranged on the rotation chassis 34, the speed reducer 15 is connected with the pedal 35 through a rotation shaft 13, the stand column 32 is arranged on the pedal 35, a top rotation shaft 14 is arranged at the top end of the stand column 32, the top rotation shaft 14 is rotatably connected with the top end of the turnover frame 2 through a bearing, the rotation shaft 13 is coaxial with the top rotation shaft 14, the rotation mechanism can be driven by the speed reducer 15 to rotate inside the turnover frame 2, a display bracket 31 is arranged on the upper portion of the stand column 32, a display 311 is arranged at the front end of the display bracket 31, a waist locking device 33 is arranged in the middle of the stand column 32, a support rail is arranged on the back of the upper portion of the support plate, the display bracket is slidably connected with the support rail through a slide block, a waist rail 321 is arranged in the middle of the support plate, the waist locking device 33 is slidably connected with the top end of the waist rail 321 through the slide block, a waist electric push rod 10 is arranged below the waist locking device, the waist electric push rod 10 is hinged with the waist locking device 33, and the other end of the electric push rod 10 is hinged with the waist locking device 33 through the slide rail 35, and the waist locking device is driven by the electric push rod 10 to slide rod 10.
The upper surface of the pedal 35 and the front end of the upright post are provided with a shank limiting beam 36, and the outer surface of the shank limiting beam 36 is provided with a flexible lining layer.
The display support driving mechanism is a synchronous belt driving mechanism, a support driving motor 16 is arranged at the top end of the upright post, a rotating shaft of the support driving motor 16 is connected with a driving wheel 17 through a U-shaped interface, a driven wheel 18 is arranged below a support guide rail, one end of the synchronous belt is connected with the upper end of the display support, the other end of the synchronous belt bypasses the driving wheel and the driven wheel and is connected with the lower end of the display support, and the synchronous belt rotates through the support driving motor 16 and can drive the driving wheel 17 to rotate so as to drive the synchronous belt to rotate and drive the display support to move up and down along the support guide rail. Of course, the display bracket driving mechanism can also adopt other driving and transmission modes such as an electric push rod, a screw rod transmission and the like, and is not limited to using a synchronous belt driving mechanism.
The overturning frame can be arranged in a ring shape, and can be arranged in other symmetrical or asymmetrical shapes for adapting to the requirements of use places and spaces on the premise of ensuring the support strength and the rotation stability of equipment.
The waist locking device comprises a mounting bracket 331, a C-shaped bracket 332 and an arm holding mechanism 333, wherein the mounting bracket 331 is fixedly connected with the C-shaped bracket 332, two waist propping mechanisms 334 are symmetrically arranged on the inner side wall of the back of the C-shaped bracket 332, each waist propping mechanism 334 comprises a propping base, a threaded rod 337, a guide post 338 and a waist top plate 3312, the waist propping mechanisms 334 are fixedly connected with the C-shaped bracket 332 through the propping bases, the propping bases are arranged in the C-shaped bracket 332, a thread sleeve 335 and a linear bearing 339 are respectively arranged at two ends of the propping bases, the thread sleeve 335 is penetrated at one end of the propping bases and is fixedly connected with the propping bases, the linear bearing 339 is penetrated at the other end of the propping bases and is fixedly connected with the propping bases, the threaded rod 337 is penetrated in the thread sleeve 335, a rotating handle 336, 337 is fixedly connected with the rotating handle 336 is arranged at the rear end of the threaded rod 337, the front end of the threaded rod 337 is provided with a waist top plate 3312, the front end of the threaded rod 337 is rotationally connected with the waist top plate 3312 through a bearing 3311, a guide post 338 is penetrated in the linear bearing 339, the axis of the guide post 338 is parallel to the axis of the threaded rod 337, the front end of the guide post 338 is fixedly connected with the waist top plate 3312, two ends of the C-shaped bracket 332 are respectively provided with a arm-holding mechanism, the arm-holding mechanism is formed by rotationally connecting an arm-holding plate 3313 with the C-shaped bracket 332 through an arm-holding rotating mechanism, the arm-holding rotating mechanism comprises an arm-holding rotating shaft 3314, an arm-holding shaft sleeve 3315, an arm-holding shaft bearing 3316, an arm-holding shaft bearing 3317 and a bidirectional ratchet mechanism 3318, the arm-holding shaft sleeve 3315 is fixedly connected with the side wall of the end of the C-shaped bracket 332, the arm-holding shaft 3314 is penetrated in the arm-holding sleeve 3315, the arm-holding shaft 3314 is a step shaft, a small-diameter section at the upper part of the arm-holding shaft 3314 is rotationally connected with the arm-holding bearing 3317 through the arm-holding bearing 3316, the arm-holding bearing support 3316 is fixedly connected with the arm-holding plate 3313 on the side surface, a ratchet rotating shaft 3327 of the bidirectional ratchet mechanism 3318 is fixedly connected with the bottom end of the arm-holding rotating shaft 3314, and a connecting arm of an inner ratchet gear sleeve 3325 of the bidirectional ratchet mechanism 3318 is fixedly connected with the arm-holding plate 3313. By using the waist locking device structure, the waist locking device with high rigidity can be provided, the waist is well supported, and the situations that the waist is dangerous or sprained due to loosening and shaking caused by insufficient supporting force of the waist locking device when an instrument is used are avoided.
The bidirectional ratchet mechanism comprises an outer ratchet clamping block 3326, an inner ratchet gear sleeve 3325, a ratchet rotating shaft 3327, an elastic wire ring 3328, a dial 3324, a limit bolt 3330 and a conical pressure spring 3331, wherein the middle part of the ratchet rotating shaft 3327 is provided with a circular convex edge, the lower part of the ratchet rotating shaft 3327 is a cylinder, two sides of the ratchet rotating shaft are cut into shoulders from the bottom of the ratchet rotating shaft 3327 to obtain a cylindrical gap with two opposite bottoms, the outer ratchet clamping block 3326 is of a cylindrical structure with the bottom being arched, the ratchet is arranged on the cylindrical side surface of the outer ratchet clamping block 3326, the ratchet of the outer ratchet clamping block 3326 is outwards arranged in a large cylindrical gap at the lower part of the ratchet rotating shaft 3327, the ratchet rotating shaft 3327 and the outer ratchet clamping block 3326 are together inserted into the inner ratchet gear sleeve 3325, the upper surface of the inner ratchet gear sleeve 3325 is clamped at the convex edge shoulder of the ratchet rotating shaft 3327, the lower part of the inner ratchet gear sleeve 3325 is provided with a round hole, the middle part of the dial 3324 is provided with a round hole, the limit bolt 3330 sleeved with the conical pressure spring 3331 penetrates through the round hole 3324 and the round hole to be connected with the middle part of the ratchet rotating shaft 3324, and the corresponding to the ratchet rotating shaft 3327, and the elastic wire ring 3328 is correspondingly connected with the middle part of the ratchet rotating shaft 3327, and the elastic wire ring 3328 is fixedly connected with the middle part of the elastic wire sleeve 3328. The limiting bolt 3330 is used for rotationally connecting the driving plate 3324 with the ratchet rotating shaft 3327, the conical pressure spring 3331 provides a certain pressing force for the driving plate 3324 to prevent the driving plate 3324 from loosening, and the driving plate 3324 can rotate relative to the ratchet rotating shaft 3327 and the inner ratchet gear sleeve 3325.
The bidirectional ratchet mechanism is adopted, the structure is compact, larger load can be borne by smaller size, the outer ratchet clamping block is used for replacing the traditional pawl, and the damage condition when the pawl bears the larger load is eliminated from the structure; the tightness degree can be conveniently and rapidly adjusted, the safety and reliability are realized, and danger is not easy to generate due to misoperation.
As shown in fig. 13, when the dial 3324 is rotated anticlockwise, the limit post 3329 on the dial 3324 drives the elastic wire ring 3328 to pull the outer ratchet fixture block 3326 leftwards until the cylindrical limit post 3329 on the dial 3324 is blocked on the notch side wall of the ratchet rotating shaft 3327 anticlockwise, at this time, when the inner ratchet gear sleeve 3325 rotates clockwise, the ratchet rotating shaft 3327 pushes the outer teeth of the outer ratchet fixture block 3326 to rotate so as to wedge with the inner teeth of the inner ratchet gear sleeve 3325 to be blocked, and when the inner ratchet gear sleeve 3325 rotates anticlockwise, the notch side surface of the ratchet rotating shaft 3327 is bonded with the back surface of the outer ratchet fixture block 3326 and is compressed, so that the inner teeth of the inner ratchet gear sleeve 3325 are separated from the outer teeth of the outer ratchet fixture block 3327 to generate idle rotation. When the dial 3324 is rotated in the opposite direction, the wedging and idling directions between the ratchet block 3327 and the inner ratchet gear sleeve 3325 are reversed from the above-described processes in the same principle, so that the bidirectional locking and unlocking are realized.
Further, the ratchet rotating shaft 3327 of the bidirectional ratchet mechanism is provided with a square connector a3320, the side wall of the square connector a3320 is provided with a spring plunger a3321, the bottom end of the arm rotating shaft is provided with a square hole a corresponding to the square connector a3320, the corresponding position of the inner side wall of the square hole a is provided with a clamping hole a corresponding to the spring plunger a3321, the spring plunger a3321 can enable the telescopic end of the spring plunger a3321 to retract completely by pressing, at the moment, the telescopic end of the spring plunger a3321 is enabled to be sprung into the clamping hole a after the square connector a3320 is inserted into the square hole a, the end part of an inner ratchet gear sleeve connecting arm of the bidirectional ratchet mechanism is provided with a square connector B3322, the side wall of the square connector B3322 is provided with a spring plunger B3323, the lower part of the arm holding plate is fixedly connected with the square adapter 3319, the square hole B is arranged in the square adapter 3319, the corresponding position of the square hole B of the square adapter 3319 is provided with the clamping hole B, and the telescopic end of the spring plunger B3323 is sprung into the clamping hole B.
The ratchet rotating shaft is set to be a square connector A3320, which can transmit torsion force to enable the ratchet rotating shaft 3327 and the arm-holding rotating shaft 3314 to synchronously rotate; the end part of the connecting arm of the inner ratchet gear sleeve is provided with the square connector B3322, so that the stability of the arm holding plate can be improved, and the side wall of the square connector B3322 is provided with the spring plunger B3323, so that quick and stable insertion can be realized.
Further, a protective cushion layer 3310 is provided on the outer surfaces of the arm-holding plate 3313 and the waist top plate 3312. The cushion cover 3310 may better protect the user from abrasion during use.
Having described embodiments of the present invention in detail, it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the scope and spirit of the invention as defined in the appended claims, and any simple, equivalent changes and modifications to the above examples are intended to be within the scope of the present invention and the invention is not limited to the embodiments as set forth in the specification.
Claims (7)
1. The utility model provides a three-dimensional lumbar muscle strength training device, includes base, upset frame, rotation mechanism, its characterized in that: the two sides of the base are symmetrically provided with a turnover support A and a turnover support B, a seat bearing A and a seat bearing B are respectively and horizontally arranged at the top ends of the turnover support A and the turnover support B, a turnover shaft A and a turnover shaft B are respectively arranged in the seat bearing A and the seat bearing B in a penetrating manner, one end of the turnover shaft A is fixedly connected with the side wall of the turnover frame, the other end of the turnover shaft A is fixedly connected with the turnover connecting rod A, one end of the turnover shaft B is fixedly connected with the side wall of the turnover frame, the other end of the turnover shaft A is fixedly connected with the turnover connecting rod B, the axes of the turnover shaft A and the turnover shaft B are on the same horizontal line, a turnover electric push rod is arranged on the side surface of the turnover support A, the telescopic end of the turnover electric push rod is hinged with the turnover connecting rod A, the other end of the turnover electric push rod is hinged with the turnover support A, a hydraulic damper is arranged on the side surface of the turnover support B, the telescopic end of the hydraulic damper is hinged with the turnover connecting rod B, and the other end of the hydraulic damper is hinged with the turnover support B, and the turnover frame can rotate along the axes of the turnover shaft A and the turnover shaft B through the telescopic end of the turnover electric push rod;
the self-rotation mechanism comprises a self-rotation chassis, a pedal and a stand column, wherein the self-rotation chassis is arranged at the bottom of a turnover frame, a speed reducer is arranged on the self-rotation chassis and is connected with the pedal through a self-rotation shaft, the stand column is arranged on the pedal, the top end of the stand column is provided with a top rotation shaft which is rotationally connected with the top end of the turnover frame through a bearing, the self-rotation shaft is coaxial with the top rotation shaft, the self-rotation mechanism can be driven to rotate in the turnover frame through the speed reducer, a display bracket is arranged at the upper part of the stand column, a display is arranged at the front end of the display bracket, a waist locking device is arranged in the middle of the stand column, a support guide rail is arranged at the back surface of the upper part of the support plate, the display bracket is in sliding connection with the support guide rail through a slide block, the middle part of the front surface of the support plate is provided with a waist guide rail, the waist locking device is in sliding connection with the waist guide rail through the slide block, a waist electric push rod is arranged below the waist locking device, the waist electric push rod is hinged with the bottom end of the waist locking device, the other end of the waist electric push rod is hinged with the pedal, and the waist electric push rod can drive the waist locking device to slide up and down slide along the guide rail through waist electric waist expansion; the waist locking device comprises a mounting bracket, a C-shaped bracket and an arm holding mechanism, wherein the mounting bracket is fixedly connected with the C-shaped bracket, two waist propping mechanisms are symmetrically arranged on the inner side wall of the back of the C-shaped bracket, each waist propping mechanism comprises a propping base, a threaded rod, a guide post and a waist top plate, the waist propping mechanisms are fixedly connected with the C-shaped bracket through the propping bases, the propping bases are arranged in the C-shaped bracket, thread sleeves and linear bearings are respectively arranged at two ends of the propping bases, the thread sleeves are arranged at one end of the propping bases in a penetrating manner and are fixedly connected with the propping bases, the linear bearings are arranged at the other end of the propping bases in a penetrating manner and are fixedly connected with the propping bases, threaded rods are arranged at the rear ends of the threaded rods in a penetrating manner, the threaded rods are fixedly connected with the rotating handles, the front ends of the threaded rods are provided with waist top plates, the front ends of the threaded rods are rotatably connected with the waist top plates through bearings, the linear bearings are internally provided with guide posts in a penetrating manner, the axes of the guide posts are parallel to the axes of the threaded rods, and the front ends of the guide posts are fixedly connected with the waist top plates; the two ends of the C-shaped support are respectively provided with an arm holding mechanism, the arm holding mechanism is formed by rotationally connecting an arm holding plate with the C-shaped support through an arm holding rotating mechanism, the arm holding rotating mechanism comprises an arm holding rotating shaft, an arm holding shaft sleeve, an arm holding bearing seat and a bidirectional ratchet mechanism, the arm holding shaft sleeve is fixedly connected with the side wall of the end part of the C-shaped support, the arm holding rotating shaft is arranged in the arm holding shaft sleeve in a penetrating manner, the arm holding rotating shaft is a stepped shaft, a small-diameter section at the upper part of the arm holding rotating shaft is rotationally connected with the arm holding bearing seat through an arm holding bearing, the side surface of the arm holding bearing seat is fixedly connected with the arm holding plate, the ratchet rotating shaft of the bidirectional ratchet mechanism is fixedly connected with the bottom end of the arm holding rotating shaft, and the inner ratchet gear sleeve of the bidirectional ratchet mechanism is fixedly connected with the arm holding plate.
2. The three-dimensional lumbar muscle strength training device according to claim 1, wherein: the pedal is characterized in that the upper surface of the pedal is provided with a shank limiting beam at the front end of the upright post, and a flexible liner layer is arranged on the outer surface of the shank limiting beam.
3. The three-dimensional lumbar muscle strength training device according to claim 2, wherein the display support driving mechanism is a synchronous belt driving mechanism, a support driving motor is arranged at the top end of the upright post, a rotating shaft of the support driving motor is connected with the driving wheel through a U-shaped interface, a driven wheel is arranged below the back guide rail, one end of the synchronous belt is connected with the upper end of the display support, the other end of the synchronous belt bypasses the driving wheel and the driven wheel and is connected with the lower end of the display support, and the driving wheel can be driven to rotate through rotation of the support driving motor, so that the synchronous belt is driven to rotate, and the display support is driven to move up and down along the support guide rail.
4. A three-dimensional lumbar muscle strength training device according to claim 3, wherein: the overturning frame is annular.
5. The three-dimensional lumbar muscle strength training device according to claim 1, wherein: the bidirectional ratchet mechanism comprises an outer ratchet clamping block, an inner ratchet gear sleeve, a ratchet rotating shaft, an elastic wire ring, a driving plate, a limiting bolt and a conical pressure spring, wherein the middle part of the ratchet rotating shaft is provided with a circular convex edge, the lower part of the ratchet rotating shaft is a cylinder, shoulders are cut from the bottom of the ratchet rotating shaft to two sides of the ratchet rotating shaft to obtain a cylindrical gap with two opposite bottoms, the bottom of the outer ratchet clamping block is an arched cylindrical structure, a ratchet is arranged on the cylindrical side surface of the outer ratchet clamping block, the ratchet of the outer ratchet clamping block is outwards arranged in the larger cylindrical gap at the lower part of the ratchet rotating shaft, the ratchet rotating shaft and the outer ratchet clamping block are together inserted into the inner ratchet gear sleeve, the upper surface of the inner ratchet gear sleeve is clamped at the convex edge shoulder of the ratchet rotating shaft, the lower part of the inner ratchet gear sleeve is provided with a circular hole, the limiting bolt sleeved with the conical pressure spring penetrates through the circular hole of the driving plate to be in threaded connection with the ratchet rotating shaft, a limiting post is arranged at the position corresponding to the smaller cylindrical gap of the upper part of the ratchet rotating shaft, the limiting post is fixedly connected with the middle part of the elastic wire ring, and the driving head of the elastic wire ring penetrates into the circular hole at the middle part of the outer ratchet clamping block.
6. The three-dimensional lumbar muscle strength training device according to claim 5, wherein: and a layer of cushion layer is arranged on the outer surfaces of the arm holding plate and the waist top plate.
7. The three-dimensional lumbar muscle strength training device according to claim 5, wherein: the ratchet rotating shaft top of the bidirectional ratchet mechanism is provided with a square joint A, the side wall of the square joint A is provided with a spring plunger A, the bottom end of the arm holding rotating shaft is provided with a square hole A corresponding to the square joint A, the corresponding position of the inner side wall of the square hole A is provided with a clamping hole A corresponding to the spring plunger A, the telescopic end of the spring plunger A is sprung into the clamping hole A after the square joint A is inserted into the square hole A, the end part of the connecting arm of the inner ratchet gear sleeve of the bidirectional ratchet mechanism is provided with a square joint B, the side wall of the square joint B is provided with the spring plunger B, the lower part of the arm holding plate is fixedly connected with the square joint, the square joint B is internally provided with a square hole B, the corresponding position of the inner side wall of the square hole B of the square joint B is provided with a clamping hole B, the square joint B is inserted into the square hole B, and the telescopic head of the spring plunger B is sprung into the clamping hole B.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810252916.4A CN108261726B (en) | 2018-03-26 | 2018-03-26 | Three-dimensional lumbar muscle strength strengthening training device |
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| CN201810252916.4A CN108261726B (en) | 2018-03-26 | 2018-03-26 | Three-dimensional lumbar muscle strength strengthening training device |
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| CN108261726B true CN108261726B (en) | 2023-09-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110124277A (en) * | 2019-04-25 | 2019-08-16 | 长沙师范学院 | A kind of safe national dance limb-training device |
| CN111449912B (en) * | 2020-04-30 | 2021-10-01 | 河南省中医院（河南中医药大学第二附属医院） | Early treatment device for peripheral vascular disease |
| CN114099304B (en) * | 2021-12-07 | 2023-06-27 | 中国人民解放军北部战区总医院 | Rehabilitation assisting device for orthopedic nursing and use method thereof |
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Address after: Anyang City, Henan province 456300 Ku Neihuang County Middle Road Applicant after: Henan Xiangyu Medical Equipment Co.,Ltd. Address before: Anyang City, Henan province 456300 Ku Neihuang County Middle Road Applicant before: ANYANG XIANGYU MEDICAL EQUIPMENT Co.,Ltd. Address after: Anyang City, Henan province 456300 Ku Neihuang County Middle Road Applicant after: Xiangyu Medical Co.,Ltd. Address before: 456300 middle section of Diku Avenue, Neihuang County, Anyang City, Henan Province Applicant before: Henan Xiangyu Medical Equipment Co.,Ltd. |
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