An assistive device to reduce lumbar stress

Abstract

The application discloses a kind of force relieving power assisting device for waist, belongs to the technical field of bending auxiliary device, including shoulder fixed plate, back support rod, stretching rod, two hip support plates and two leg bands;The rear end of shoulder fixed plate is rotatably connected with the upper end of stretching rod, the lower end of stretching rod is rotatably connected with back support rod, and the lower part of back support rod is rotatably connected with hip support plate;Two ends of shoulder fixed plate are connected by shoulder pull rope, and shoulder pull rope is connected with hip support plate by connecting rope;Leg band is connected with the lower end of back support rod by leg pull rope;First tensioner and second tensioner are arranged on back support rod.The lower end of back support rod is pulled by leg pull rope when bending, hip support plate is fulcrum, the upper end of back support rod is rotated backward, second tensioner pulls shoulder fixed plate by shoulder adjusting rope, and first tensioner is stretched to stretching rod adjusting rope, and the shoulder is supported, so that the stress of spine is reduced, and the spine is effectively protected.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of bending auxiliary device, in particular to a power-assisted device for reducing the stress on the waist. BACKGROUND

[0002] People are in many working conditions under the posture of bending, such as in logistics sorting, cleaning the bottom surface, building, and tiling in the occasion, long time bending can cause lumbar strain, and cause great damage to the spine of the operating personnel, seriously threatening the health of the operating personnel.

[0003] The existing waist power-assisted device in the market is expensive, bulky, and relatively heavy, so it is not flexible enough, and the comfort is not enough, which affects the normal operation of the operating personnel, and thus loses the fundamental purpose of using the waist power-assisted device. SUMMARY

[0004] In order to solve the problem of the existing waist power-assisted device being expensive, bulky, and relatively heavy, not flexible enough, and not comfortable enough, which affects the normal operation, the present application provides a power-assisted device for reducing the stress on the waist.

[0005] The present application is realized by the following technical solutions.

[0006] The application discloses a kind of force relieving of waist force assisting device, including shoulder fixed plate, back support rod, stretching rod, two hip support plates and two leg bands;The rear end of the shoulder fixed plate is rotatably connected with the upper end of the stretching rod, the lower end of the stretching rod is rotatably connected with the back support rod, and the lower part of the back support rod is rotatably connected with the hip support plate;The two ends of the shoulder fixed plate are connected by shoulder pull rope, and the shoulder pull rope is connected with the hip support plate by connecting rope;The leg band is connected with the lower end of the back support rod by leg pull rope;First tensioner and second tensioner are provided on the back support rod;The first tensioner is connected with the stretching rod by stretching rod adjusting rope, so that the stretching rod has the force in the stretching direction;The second tensioner is connected with the shoulder fixed plate by shoulder adjusting rope.When using, the shoulder fixed plate is clamped above the shoulders of the human body, the shoulder pull rope on both sides is around the entire arm, the two hip support plates are supported on the hips of the human body, and the two leg bands are bound on the knees of the human body;When bending, the legs of the human body are pulled forward and downward by the leg band and the leg pull rope to the lower end of the back support rod, the upper end of the back support rod is rotated backward relative to the shoulders of the human body by the hip support plate as the fulcrum, the second tensioner on the back support rod is pulled backward and upward to the shoulder fixed plate by the shoulder adjusting rope, and the first tensioner on the back support rod is pulled out by the stretching rod adjusting rope to the stretching rod, so as to effectively support the shoulders of the human body, reduce the stress on the spine when bending the waist, effectively protect the entire spine, and avoid the waist injury caused by long-time bending work.The overall structure is simple, convenient to use, easy to form, low in cost and good in practicality.

[0007] Further improvement of the application also has that the upper end of the back support rod is connected with an adjusting rod by an elastic member;The elastic member has a elastic force for turning the adjusting rod backward relative to the back support rod.When bending, the elastic shoulder adjusting rope, the second tensioner and the elastically connected adjusting rod better realize the elastic pulling of the shoulder fixed plate, ensure the comfort of use and the stability of elastic force transmission.

[0008] Further improvement of the application also has that the elastic member is an elastic steel plate.The structure is simple and easy to realize.

[0009] Further improvement of the application also has that the rear upper end of the adjusting rod and the rear upper end of the back support rod are respectively provided with first guide wheel and second guide wheel for guiding the shoulder adjusting rope.The first guide wheel and the second guide wheel are used for rolling and guiding the shoulder adjusting rope, to ensure the smoothness of the pulling of the shoulder fixed plate by the second tensioner through the shoulder adjusting rope.

[0010] The further improvement of the present application is that the stretching rod comprises an upper rod and a lower rod which are limited in sliding direction by a guide housing; the upper end of the upper rod is rotatably connected with the shoulder fixing plate, and the lower end of the lower rod is rotatably connected with the back supporting rod; the stretching rod adjusting rope extends downward around the upper end of the lower rod and is connected with the lower end of the upper rod; when bending, the first tensile device pulls the upper rod upward through the stretching rod adjusting rope, thereby supporting the shoulder and reducing the stress on the spine; the stretching rod is simple in structure, convenient to use and good in practicability.

[0011] The further improvement of the present application is that the upper end of the lower rod is provided with a fourth guide wheel for guiding the stretching rod adjusting rope; the back supporting rod is provided with a third guide wheel for guiding the stretching rod adjusting rope; the stretching rod adjusting rope is guided by rolling through the fourth guide wheel and the third guide wheel, thereby ensuring the smoothness of the stretching rod adjusting rope.

[0012] The further improvement of the present application is that the back supporting rod is provided with a lower pulling device connected with the leg pulling rope; the lower pulling device comprises a locking device mounted on the back supporting rod and an automatic reel for self-winding the leg pulling rope; the automatic reel is provided with a ratchet wheel, and the locking device is inserted into the ratchet wheel to lock the automatic reel; when bending, the locking device is inserted into the ratchet wheel to lock the automatic reel, thereby ensuring the reliability of the leg pulling rope; when walking, the locking device is separated from the ratchet wheel, and the leg pulling rope is in a relaxed state, thereby preventing the back supporting rod from being pulled and ensuring normal walking.

[0013] The further improvement of the present application is that the back supporting rod is further provided with a pressure sensor for supporting the leg pulling rope; the pressure sensor senses the pulling force of the leg pulling rope and controls the action of the locking device; when bending, the leg pulling ropes on both sides have a certain degree of pressure on the pressure sensor, and the pressure sensor transmits a signal to the controller, which controls the action of the locking device, thereby extending the locking device to lock the ratchet wheel on the automatic reel, preventing the automatic reel from rotating, tightening the leg pulling rope on the lower end of the back supporting rod through the leg pulling rope, and realizing the rotating action of the back supporting rod; when walking, the leg pulling ropes on both sides do not trigger the two pressure sensors at the same time, and the automatic reel can rotate freely, thereby meeting the needs of normal walking and ensuring the reliability of use.

[0014] The further improvement of the present application is that the shoulder pulling rope and the leg pulling rope are respectively provided with adjusting buckles; the shoulder pulling rope is provided with a movable pulley connected with the connecting rope; the length of the shoulder pulling rope and the leg pulling rope is adjusted through the adjusting buckles, thereby being suitable for people of different heights; the movable pulley rolls along the shoulder pulling rope, thereby ensuring the balance of stress in different states.

[0015] The further improvement of the present application is that the hip support plate is connected with the back support rod through a universal connecting shaft, which ensures complete fitting support for the human hip, flexible use and good versatility.

[0016] From the above technical solution, the beneficial effects of the present application are: simple overall structure, convenient to use, easy to form, low cost, good practicality; when in use, the shoulder fixing plate is clamped above the human shoulders, the shoulder pull ropes on both sides wrap around the entire arm, the two hip support plates support the human hips, and the leg bands are tied around the human knees; when bending over, the human legs pull the lower end of the back support rod forward and downward through the leg bands and leg pull ropes, the upper end of the back support rod rotates backward relative to the human shoulders through the hip support plates as the fulcrum, the second puller on the back support rod pulls the shoulder fixing plate backward and upward through the shoulder adjustment rope, and the first puller on the back support rod pulls the stretching rod through the stretching rod adjustment rope, thereby effectively supporting the human shoulders, reducing the stress on the spine when the waist is bent, effectively protecting the entire spine, and avoiding injuries to the waist caused by long-term bending work. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the present application, the following will briefly introduce the drawings needed to be used in the description, and obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 The present application is a specific embodiment structure diagram.

[0019] Figure 2 The present application is a specific embodiment structure diagram of the downer.

[0020] Figure 3 The present application is a specific embodiment structure diagram of the stretching rod.

[0021] Figure 4 The present application is a specific embodiment structure diagram of the rear view.

[0022] Figure 5 The present application is a specific embodiment structure diagram of the use state.

[0023] In the drawing: 1, shoulder fixing plate, 2, back supporting rod, 3, stretching rod, 31, upper rod, 32, lower rod, 33, guide housing, 4, hip supporting plate, 5, leg band, 6, downward pulling device, 61, automatic reel, 62, locking device, 63, pressure sensor, 7, first tensioner, 8, second tensioner, 9, universal connecting shaft, 10, movable pulley, 11, elastic member, 12, first guide wheel, 13, second guide wheel, 14, third guide wheel, 15, fourth guide wheel, 16, shoulder pulling rope, 17, shoulder adjusting rope, 18, stretching rod adjusting rope, 19, leg pulling rope, 20, connecting rope, 21, adjusting buckle, 22, adjusting rod. DETAILED DESCRIPTION

[0024] In order to make the purpose, features and advantages of the present application more obvious and easy to understand, the technical solutions in the present application will be described clearly and completely below in combination with the drawings in the specific embodiments. Obviously, the embodiments described below are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present patent, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present patent.

[0025] As shown in Figure 1 , 4 , the present application discloses a force-reducing assisting device for the waist, which comprises an arc-shaped shoulder fixing plate 1, a back supporting rod 2, a stretching rod 3, two arc-shaped hip supporting plates 4 and two leg bands 5. The front end of the shoulder fixing plate 1 is fork-shaped and is downwardly and arcuately bent to fit the upper side of the shoulder. The rear end of the shoulder fixing plate 1 is rotationally connected with the upper end of the stretching rod 3. The lower end of the stretching rod 3 is rotationally connected with the front side of the middle part of the back supporting rod 2. The lower front side of the back supporting rod 2 is rotationally connected with the hip supporting plate 4. The front and rear ends of the shoulder fixing plate 1 are connected by a shoulder pulling rope 16. The shoulder pulling rope 16 is connected with the rear upper side of the hip supporting plate 4 by a connecting rope 20. The leg bands 5 are connected with the lower end of the back supporting rod 2 by leg pulling ropes 19. The back supporting rod 2 is provided with a first tensioner 7 and a second tensioner 8. The first tensioner 7 is connected with the stretching rod 3 by a stretching rod adjusting rope 18, so that the stretching rod 3 has a stretching direction force to stretch the stretching rod 3. The second tensioner 8 is connected with the rear side of the shoulder fixing plate 1 by a shoulder adjusting rope 17.

[0026] In use, the shoulder fixing plate 1 of the fork-shaped bending structure is clamped above the human body, the shoulder pull ropes 16 on both sides encircle the whole arm, the hip support plates 4 support the hips of the human body, and the leg bands 5 are tied around the knees of the human body; when the human body bends, the legs of the human body pull the lower end of the back support rod 2 forward and downward through the leg bands 5 and the leg pull ropes 19, the back support rod 2 is pivoted at the hip support plates 4, the upper end of the back support rod 2 rotates backward relative to the shoulders of the human body, the second puller 8 on the back support rod 2 pulls the shoulder fixing plate 1 backward and upward through the shoulder adjusting rope 17, and the first puller 7 on the back support rod 2 pulls the stretching rod 3 through the stretching rod adjusting rope 18, so as to effectively support the shoulders of the human body, reduce the stress on the spine when the waist is bent, effectively protect the whole spine, and avoid the waist injury caused by long-time bending work. The overall structure is simple, convenient to use, easy to form, low in cost, and good in practicability.

[0027] The shoulder adjusting rope 17 and the stretching rod adjusting rope 18 are elastic ropes, which can stably and smoothly transmit the pulling force, increase the comfort and safety in use, and the first puller 7 and the second puller 8 can adjust the pulling force, so as to better apply to users of different ages and conditions, have a wide application range, and have strong universality.

[0028] As shown in Figure 1 , the upper end of the back support rod 2 is connected with an adjusting rod 22 through an elastic piece 11; the elastic piece 11 has an elastic force for turning the adjusting rod 22 backward relative to the back support rod 2. The elastic piece 11 is an elastic steel plate. The back support rod 2 and the adjusting rod 22 are flexibly connected through the elastic steel plate, the shoulder fixing plate 1 is better pulled elastically through the elastic shoulder adjusting rope 17, the second puller 8 and the elastically connected adjusting rod 22 when the human body bends, and the comfort in use and the stability of the elastic pulling force transmission are ensured.

[0029] As shown in Figure 1 , 4 , 5, the upper end of the rear side of the adjusting rod 22 and the upper end of the rear side of the back support rod 2 are respectively provided with a first guide wheel 12 and a second guide wheel 13 for guiding the shoulder adjusting rope 17. The shoulder adjusting rope 17 is rolled and guided through the first guide wheel 12 and the second guide wheel 13, and the smoothness of the shoulder fixing plate 1 pulled by the second puller 8 through the shoulder adjusting rope 17 is ensured.

[0030] As shown in Figure 1 , 3As shown, the stretching rod 3 comprises the upper rod 31 and the lower rod 32 which are slidingly guided and limited by the guide housing 33, and the upper rod 31 and the lower rod 32 are slidingly inserted into the guide housing 33; the upper end of the upper rod 31 is rotationally connected with the shoulder fixing plate 1, and the lower end of the lower rod 32 is rotationally connected with the middle front side of the back supporting rod 2; the upper end of the lower rod 32 is provided with the fourth guide wheel 15 for guiding the stretching rod adjusting rope 18; the back side of the back supporting rod 2 is provided with the third guide wheel 14 for guiding the stretching rod adjusting rope 18; the stretching rod adjusting rope 18 is sequentially wound around the third guide wheel 14 and the fourth guide wheel 15 in sequence, and then extends downward and is connected with the lower end of the upper rod 31. The fourth guide wheel 15 and the third guide wheel 14 are used for rolling guiding the stretching rod adjusting rope 18, so as to ensure the smoothness of the stretching rod adjusting rope 18. When bending, the upper end of the back supporting rod 2 is rotated backward, the first tensioner 7 pulls the upper rod 31 upward through the stretching rod adjusting rope 18 to stretch, and the shoulder is supported, so that the stress on the spine is reduced. The stretching rod 3 has simple structure, convenient use and good practicability.

[0031] As shown, the back supporting rod 2 is provided with a through hole through which the stretching rod adjusting rope 18 passes, the stretching rod adjusting rope 18 is guided and limited through the through hole, and the reliability of use is ensured.

[0032] As shown, Figure 1 , 2 As shown, the back supporting rod 2 is provided with the lower pulling device 6 connected with the leg pulling rope 19 at the lower end of the back supporting rod 2; the lower pulling device 6 comprises the locking device 62 mounted on the back side of the back supporting rod 2 and the automatic reel 61 for self-winding the leg pulling rope 19; the automatic reel 61 is provided with a ratchet wheel. When bending, the tongue of the locking device 62 is inserted into the ratchet wheel to lock the automatic reel 61, so as to ensure the reliability of the leg pulling rope 19 being pulled tight; when walking, the tongue of the locking device 62 is separated from the ratchet wheel, the leg pulling rope 19 is in a relaxed state, and the back supporting rod 2 is not pulled, so as to ensure normal walking.

[0033] As shown, the automatic reel 61 is an automatic wire reel, and the locking device 62 is an electromagnetic structure.

[0034] As shown, Figure 2As shown, the back support rod 2 rear side is also provided with a pressure sensor 63 supporting two leg pull rope 19; the pressure sensor 63 senses the leg pull rope 19 tension, thereby controlling the action of the locking device 62; specifically, when bending, both sides of the leg pull rope 19 has a certain degree of pressure on the pressure sensor 63, the pressure sensor 63 transmits the signal to the controller installed on the locking device 62 (or external), the controller controls the electromagnetic locking device 62 power, realizes the locking device 62 tongue extension, locking the ratchet on the automatic reel 61, preventing the automatic reel 61 from rotating, so that the leg strap 5 is pulled tight through the leg pull rope 19 on the lower end of the back support rod 2, realizing the rotation of the back support rod 2; while walking (or bending small), both sides of the leg pull rope 19 will not trigger two pressure sensors 63 at the same time, that is, the electromagnetic locking device 62 is in a power-off state, the automatic reel 61 can rotate freely, meeting the needs of normal walking, ensuring the reliability of use.

[0035] As shown in Figure 1 The shoulder pull rope 16 and the leg pull rope 19 are respectively provided with an adjusting buckle 21, which adjusts the length of the shoulder pull rope 16 and the leg pull rope 19, so as to be suitable for people of different heights, wide application range and good universality; the shoulder pull rope 16 is surrounded by a movable pulley 10 connected with the connecting rope 20, which rolls along the shoulder pull rope 16 through the movable pulley 10, ensuring the balance of force in different states (standing or bending).

[0036] As shown in Figure 2 The rear side of the hip support plate 4 is connected with the front side of the back support rod 2 through a universal connecting shaft 9, which ensures complete support for the hips, flexible use and good universality.

[0037] The force relieving device has simple overall structure, convenient use, easy forming, low cost and good practicability; when in use, the shoulder fixing plate is clamped above the human shoulders, the shoulder pull ropes on both sides encircle the whole arms, the hip support plates support the hips, and the leg straps are tied around the knees; when bending, the legs are pulled forward and downward through the leg straps and the leg pull ropes, the hip support plates are used as fulcrums, the upper end of the back support rod is rotated backward relative to the shoulders, the second tensioner on the back support rod pulls the shoulder fixing plate backward and upward through the shoulder adjusting rope, and the first tensioner on the back support rod pulls the stretching rod through the stretching rod adjusting rope, thereby effectively supporting the shoulders, reducing the stress on the spine when bending, effectively protecting the whole spine, and avoiding the waist injury caused by long-time bending work.

[0038] The various embodiments described in this specification are presented by way of example, and each embodiment describes a specific implementation of the application. The embodiments are not intended to limit the scope of the application, which is defined by the appended claims and their equivalents.

[0039] The terms "upper," "lower," "inner," "outer," and the like, if present in the specification and the claims, are used for relative positions, and do not to be taken literally unless otherwise indicated. It is to be understood that the terminology used herein is for the purpose of describing the embodiments of the application and is not intended to be limiting. It is also to be understood that the use of "including," "having," "having at least," "including at least," and "comprising" are not intended to be limiting.

[0040] The above description of disclosed embodiments of the application is intended to be illustrative, and not limiting. Various modifications to the embodiments described herein, will be apparent to those of ordinary skill in the art, and it is contemplated to be within the scope of the application. The various embodiments of the application described herein are presented by way of example only and are not intended to limit the scope of the application. The various embodiments can be implemented in any combination or sub-combination thereof. Other embodiments will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein.

Claims

1. An assistive device to reduce the stress on the lumbar region, characterized in that, The utility model provides a kind of stretching device, including shoulder fixing plate (1), back support rod (2), stretching rod (3), two hip support plates (4) and two leg bands (5);The rear end of the shoulder fixing plate (1) is rotatably connected with the upper end of the stretching rod (3), the lower end of the stretching rod (3) is rotatably connected with the back support rod (2), and the lower part of the back support rod (2) is rotatably connected with the hip support plate (4);The both ends of the shoulder fixing plate (1) are connected by shoulder pull rope (16), the shoulder pull rope (16) is connected with the hip support plate (4) by connecting rope (20);The leg band (5) is connected with the lower end of the back support rod (2) by leg pull rope (19);The first tensioner (7) and the second tensioner (8) are provided on the back support rod (2);The first tensioner (7) is connected with the stretching rod (3) by stretching rod adjusting rope (18), so that the stretching rod (3) has the force in the stretching direction;The second tensioner (8) is connected with the shoulder fixing plate (1) by shoulder adjusting rope (17);The upper end of the back support rod (2) is connected with adjusting rod (22) by elastic member (11);The elastic member (11) has the elastic force that the adjusting rod (22) is turned back relative to the back support rod (2);The elastic member (11) is elastic steel plate;The back support rod (2) is provided with lower pull device (6) connected with the leg pull rope (19);The lower pull device (6) includes locking device (62) mounted on the back support rod (2) and automatic reel (61) for self-winding the leg pull rope (19);The automatic reel (61) is provided with a ratchet wheel, and the locking device (62) is inserted with the ratchet wheel to lock the automatic reel (61);The back support rod (2) is further provided with pressure sensor (63) for supporting the leg pull rope (19);The pressure sensor (63) senses the tension of the leg pull rope (19) and controls the action of the locking device (62);The hip support plate (4) is connected with the back support rod (2) by universal connecting shaft (9).

2. The force-reducing assist device according to claim 1, characterized by The rear upper end of the adjusting rod (22) and the rear upper end of the back support rod (2) are respectively provided with first guide wheel (12) and second guide wheel (13) for guiding the shoulder adjusting rope (17).

3. The force-reducing assist device according to claim 1, characterized by The stretching rod (3) includes upper rod (31) and lower rod (32) slidingly guided by guide housing (33);The upper end of the upper rod (31) is rotatably connected with the shoulder fixing plate (1), and the lower end of the lower rod (32) is rotatably connected with the back support rod (2);The stretching rod adjusting rope (18) extends downward around the upper end of the lower rod (32) and is connected with the lower end of the upper rod (31).

4. The force-reducing assist device according to claim 3, characterized by The upper end of the lower rod (32) is provided with fourth guide wheel (15) for guiding the stretching rod adjusting rope (18);The back support rod (2) is provided with third guide wheel (14) for guiding the stretching rod adjusting rope (18).

5. The force-reducing assist device according to claim 1, characterized by The shoulder pull rope (16) and the leg pull rope (19) are respectively provided with adjusting buckles (21); the shoulder pull rope (16) is surrounded by a movable pulley (10) connected with the connecting rope (20).

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