CN219235289U - Upper limb booster - Google Patents

Upper limb booster Download PDF

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Publication number
CN219235289U
CN219235289U CN202320301063.5U CN202320301063U CN219235289U CN 219235289 U CN219235289 U CN 219235289U CN 202320301063 U CN202320301063 U CN 202320301063U CN 219235289 U CN219235289 U CN 219235289U
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assembly
joint
upper limb
bearing
fixed
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CN202320301063.5U
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宫华胜
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Hangzhou Boli Hydraulic Control Technology Co ltd
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Hangzhou Boli Hydraulic Control Technology Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30Against 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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Abstract

The utility model discloses an upper limb booster, which at least comprises: the fixed assembly is arranged on the external mechanism; the driving rotation assembly is arranged on the fixing assembly; the adjusting mechanical assembly is arranged on the active rotating assembly; the bearing assembly is arranged on the adjusting mechanical assembly and used for bearing the upper limb; the adjusting mechanical assembly and the fixing assembly are both in rotary connection with the driving rotary assembly through a connecting shaft; the upper limb drives the adjusting mechanical component and the bearing component to adjust the space position of the bearing component; the bearing component drives the adjusting mechanical component to move so as to adjust the pitching angle and the deflection angle of the bearing component. The utility model assists the upper limb to easily finish lifting or carrying operation, reduces the load of the upper limb, relieves fatigue, and can meet the requirements of low power-assisted requirements of lifting the upper limb of a patient with weakness of the upper limb or medical rehabilitation training, and high-repetition and high-load carrying operation in factory and warehouse environments.

Description

Upper limb booster
Technical Field
The utility model relates to the technical field of upper limb movement auxiliary appliances, in particular to an upper limb booster.
Background
In daily life and production, once the upper limb functions of the human body decline, the life or labor quality is definitely reduced. For example, in the fields of disability and medical rehabilitation, patients with apoplexy, hemiplegia, gradually freezing symptoms and the like can face the problem of upper limb muscle weakness, so that the upper limb lifting and object grabbing can not be finished for a long time or even at all by means of muscle strength of the patients; in the field of aged people, the functions of the upper limbs gradually decline with the age, the dependence of the aged on corresponding auxiliary appliances is enhanced, and the market demand of the upper limb auxiliary appliances is also increasingly remarkable particularly with the increasing trend of aging. In addition, in the scene of operations requiring upper limbs such as factory warehouse, hospital operation, etc., for example, lifting the upper limbs for a long time or frequently, the upper limbs are easy to be tired excessively or the joints are damaged, and repeated operations with high intensity can even cause permanent injury to human bodies.
Therefore, there is a need to design an upper limb power assisting device which is applicable to different groups of people and different scenes at the same time, and helps patients and labor staff to realize normal and healthy life production.
Disclosure of Invention
The utility model aims to provide an upper limb booster, which solves the technical problem of how to provide auxiliary supporting force for the upper limb of a human body and counteract the gravity of the upper limb or the loaded upper limb in the prior art.
The technical scheme adopted by the utility model is as follows:
an upper limb booster comprising at least:
the fixed assembly is arranged on the external mechanism;
the driving rotation assembly is arranged on the fixing assembly;
the adjusting mechanical assembly is arranged on the active rotating assembly; and
the bearing component is arranged on the adjusting mechanical component and is used for bearing the upper limb;
the adjusting mechanical assembly and the fixing assembly are both in rotary connection with the driving rotary assembly through a connecting shaft; the upper limb drives the adjusting mechanical component and the bearing component to adjust the space position of the bearing component; the bearing component drives the adjusting mechanical component to move so as to adjust the pitching angle and the deflection angle of the bearing component.
Preferably, the fixing component at least comprises a fixing frame, a clamp holder screw rod, a clamping block and a fixing connecting rod;
the fixing frame is C-shaped and is rotationally connected with the fixed connecting rod through a connecting shaft;
the holder screw rod is arranged on the fixing frame in a penetrating way and is in threaded connection with the fixing frame;
the clamping block is arranged at one end of the clamping device screw rod, is positioned in the fixing frame and is used for being abutted with the external mechanism; the clamping block is matched with the side wall of the fixing frame, which is arranged opposite to the clamping block, and is used for clamping and fixing the fixing assembly on the external mechanism.
Preferably, the active rotating assembly at least comprises a plurality of connecting rods and a plurality of rotating joints, the rotating joints are fixedly connected to two ends of each connecting rod, and the connecting rods are connected with the connecting shafts in series through the rotating joints.
Preferably, the head end of each connecting rod after being connected in series is rotationally connected with the fixing component through the connecting shaft, and the tail end of each connecting rod after being connected in series is rotationally connected with the adjusting mechanical component through the connecting shaft.
Preferably, the adjusting mechanical assembly at least comprises a power-assisted adjusting knob, a fixed joint, a rotating joint and a fixed rod;
the power-assisted adjusting knob is arranged on the fixed joint in a penetrating way and is rotationally connected with the fixed joint;
the fixed joint and the rotating joint are internally connected with joint bearings, joint shafts are sleeved in the joint bearings, and the fixed joint, the rotating joint and the joint shafts rotate mutually.
Preferentially, one end of the joint shaft is fixedly connected with a worm wheel, the worm wheel is connected with a worm which is matched with the worm wheel, the worm is fixedly connected with the power-assisted adjusting knob, the power-assisted adjusting knob is used for driving the worm to rotate, and then the worm wheel is driven to rotate, and the worm wheel drives the joint shaft to rotate in the joint bearing.
Preferably, a coil spring is arranged in the rotary joint and is arranged outside the joint shaft, so as to provide external supporting force for the adjusting mechanical assembly;
the inner end of the coil spring is fixedly connected with the joint shaft, and the outer end of the coil spring is fixedly connected with the rotary joint.
Preferably, the outer side of the fixed joint is provided with a first end cover, and the outer side of the rotating joint is provided with a second end cover.
Preferably, the fixed joint is provided with a chute near the side wall of the rotary joint, the chute is slidably connected with a limit knob, one end of the limit knob is fixedly connected with the rotary joint, and the limit knob rotates relatively around the axis of the rotary joint so as to limit the maximum rotation angle of the rotary joint relative to the fixed joint.
Preferably, the bearing assembly at least comprises an arm drag, a spherical connecting block, a tightening bolt and a supporting cloth;
the arm tractor is U-shaped, and a shaft at one side of the arm tractor is connected with a groove formed in the spherical connecting block in a matched manner;
the spherical connecting block is fixedly connected with the connecting shaft, and the other end of the connecting shaft is rotationally connected with the adjusting mechanical component;
the tightening bolt is arranged on the slot in a penetrating way and used for locking the arm tractor on the spherical connecting block;
the support cloth is mounted on the arm drag.
The beneficial effects of the utility model at least comprise: the upper limb booster provided by the utility model can offset the gravity of the upper limb or the loaded upper limb, and can assist the upper limb to easily finish lifting or carrying operation under the condition of very small muscle output, thereby reducing the load of the upper limb and relieving fatigue. The booster joint adopts a passive elastic booster mode, does not need external energy power, has a simple structure, and is convenient to install, disassemble and carry; the active rotating component is structurally adopted, so that the hand of a user has wide reach and the movement is more flexible. In addition, the supporting force adjusting range of the adjusting mechanical assembly of the booster is wide, and the adjusting mechanical assembly can adapt to different load requirements, and can meet the requirements no matter the lower power assisting requirements of the upper limb lifting or medical rehabilitation training of the patients with weak upper limbs or the high-repetition and high-load carrying operation in the factory and warehouse environments.
Drawings
FIG. 1 is an overall construction diagram of an upper limb booster of the present utility model;
FIG. 2 is an external block diagram of the conditioning mechanical assembly of the present utility model;
FIG. 3 is an internal block diagram of the conditioning machinery assembly of the present utility model;
FIG. 4 is a block diagram of a load bearing assembly of the present utility model;
fig. 5 is an enlarged view of the bearing assembly of the present utility model at a.
Description of the reference numerals
10-fixed component, 101-fixed frame, 102-clamp screw, 103-clamping block, 104-fixed connecting rod, 20-active rotating component, 201-connecting rod, 202-rotating joint, 30-adjusting mechanical component, 301-helping adjusting knob, 302-fixed joint, 3021-end cover I, 3022-chute, 303-rotating joint, 3031-end cover II, 304-fixed rod, 305-joint bearing, 306-joint shaft, 307-worm wheel, 308-worm, 309-coil spring, 309 a-coil spring inner end, 309 b-coil spring outer end, 310-limit knob, 40-bearing component, 401-arm drag, 402-spherical connecting block, 4021-grooving, 403-tightening bolt, 404-supporting cloth.
Detailed Description
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, an upper limb booster includes at least:
a fixing assembly 10 mounted to an external mechanism;
an active rotation assembly 20 disposed on the fixed assembly 10;
an adjustment mechanism assembly 30 disposed on the active rotation assembly 20; and
the bearing assembly 40 is arranged on the adjusting mechanical assembly 30 and is used for bearing the upper limb;
the adjusting mechanical assembly 30 and the fixing assembly 10 are both rotatably connected with the driving rotation assembly 20 through a connecting shaft; the upper limb drives the adjusting mechanical assembly 30 and the bearing assembly 40 to adjust the spatial position of the bearing assembly 40; the carriage assembly 40 drives the adjustment mechanism assembly 30 to move to adjust the pitch and yaw angles of the carriage assembly 40.
The fixing assembly 10 at least comprises a fixing frame 101, a clamp holder screw 102, a clamp block 103 and a fixing connecting rod 104;
the fixing frame 101 is C-shaped, and the fixing frame 101 is rotationally connected with the fixed connecting rod 104 through a connecting shaft;
the holder screw rod 102 is arranged on the fixing frame 101 in a penetrating way and is in threaded connection with the fixing frame 101;
the clamping block 103 is arranged at one end of the clamp holder screw 102 and is positioned in the fixing frame 101 and used for being abutted with the external mechanism; the clamping block 103 and the fixing frame 101 are matched with side walls arranged opposite to the clamping block 103, and are used for clamping and fixing the fixing assembly 10 on the external mechanism.
The active rotation assembly 20 at least comprises a plurality of connecting rods 201 and a plurality of rotation joints 202, wherein the rotation joints 202 are fixedly connected to two ends of each connecting rod 201, and the connecting rods 201 are connected in series through the rotation joints 202 and the connecting shafts.
The head end of each connecting rod 201 connected in series is rotationally connected with the fixing assembly 10 through the connecting shaft, and the tail end of each connecting rod 201 connected in series is rotationally connected with the adjusting mechanical assembly 30 through the connecting shaft.
Referring to fig. 2-3, the adjustment mechanism assembly 30 includes at least a power-assisted adjustment knob 301, a fixed joint 302, a rotational joint 303, and a fixed rod 304;
the power-assisted adjusting knob 301 is arranged on the fixed joint 302 in a penetrating way and is rotationally connected with the fixed joint 302;
the fixed joint 302 and the rotating joint 303 are connected with a joint bearing 305, a joint shaft 306 is sleeved in the joint bearing 305, and the fixed joint 302, the rotating joint 303 and the joint shaft 306 rotate mutually.
One end of the joint shaft 306 is fixedly connected with a worm wheel 307, the worm wheel 307 is connected with a worm 308 which is matched with each other, the worm 308 is fixedly connected with the power-assisted adjusting knob 301, the power-assisted adjusting knob 301 is used for driving the worm 308 to rotate and further driving the worm wheel 307 to rotate, and the worm wheel 307 drives the joint shaft 306 to rotate in the joint bearing 305.
A coil spring 309 is disposed in the rotary joint 303 and disposed outside the joint shaft 306, for providing an external supporting force for the adjusting mechanism assembly 30; when the fixed joint 302 and the rotary joint 303 are rotated relatively, the coil spring 309 is twisted to generate an output torsion force, and the external force rotation power-assisted adjustment knob 301 can also adjust the pretwist force of the coil spring 309.
The wrap spring inner end 309a is fixedly coupled to the articulation shaft 306 and the wrap spring outer end 309b is fixedly coupled to the rotational articulation joint 303.
An end cover one 3021 is arranged outside the fixed joint 302, and an end cover two 3031 is arranged outside the rotating joint 303.
The fixed joint 302 is provided with a chute 3022 near the side wall of the rotary joint 303, the chute 3022 is slidably connected with a limit knob 310, one end of the limit knob 310 is fixedly connected with the rotary joint 303, and the limit knob 310 rotates relatively around the axis of the rotary joint 303 to limit the maximum rotation angle of the rotary joint 303 relative to the fixed joint 302.
Referring to fig. 4, the bearing assembly 40 includes at least an arm drag 401, a ball joint block 402, a tightening bolt 403, and a support cloth 404;
referring to fig. 5, the arm tractor 401 is U-shaped, and a shaft at one side of the arm tractor 401 is connected with a slot 4021 formed in the spherical connecting block 402 in a matching manner;
the spherical connecting block 402 is fixedly connected with the connecting shaft, and the other end of the connecting shaft is rotationally connected with the adjusting mechanical assembly 30;
the tightening bolt 403 is arranged on the slot 4021 in a penetrating way and is used for locking the arm tractor 401 on the spherical connecting block 402; the position and angle of the arm drag 401 on the fixed bar 304 can be adjusted to accommodate the support angle of the upper limb prior to locking.
The support cloth 404 is mounted on the arm drag 401. The number and shape of the support cloths 404 can be adjusted as desired.
The connecting shafts are provided with bearings so as to reduce rotating friction force and enhance the sensitivity of the booster.
The working process of the utility model is described in detail below: when the utility model is used, the fixing frame 101 is firstly clamped on a workbench (such as a desktop and a wheelchair), and the clamping block 103 is pushed to fix by screwing the clamp screw 102. After the forearm is placed in the arm tractor 401 and the upper limb is fully pressed on the supporting cloth 404, the power-assisted adjusting knob 301 is rotated to adjust the output torque of the adjusting mechanical assembly 30 until the forearm is just emptied, and the supporting force of the power aid just counteracts the gravity of the upper limb. If the up-and-down swing amplitude of the arm drag 401 is required to be changed, the limit knob 310 is unscrewed, and the limit knob is screwed again after rotating to a proper position around the axis of the rotating joint 303. With low friction rotation between the active rotation assembly 20 and the adjustment mechanism assembly 30, the user can easily achieve the full range of forearm movement with little effort. The utility model can meet the requirements of low power-assisted requirements of upper limb lifting or medical rehabilitation training of patients with upper limb weakness, and high-repetition and high-load carrying operation in factory and warehouse environments.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. An upper limb booster, comprising at least:
a fixed component (10) which is installed on an external mechanism;
an active rotation assembly (20) arranged on the fixed assembly (10);
an adjustment mechanism assembly (30) provided to the active rotation assembly (20); and
the bearing assembly (40) is arranged on the adjusting mechanical assembly (30) and is used for bearing the upper limb;
the adjusting mechanical assembly (30) and the fixing assembly (10) are both in rotary connection with the driving rotary assembly (20) through a connecting shaft; the upper limb drives the adjusting mechanical assembly (30) and the bearing assembly (40) to adjust the spatial position of the bearing assembly (40); the bearing assembly (40) drives the adjusting mechanical assembly (30) to move so as to adjust the pitching angle and the deflecting angle of the bearing assembly (40).
2. An upper limb booster according to claim 1, wherein the fixing assembly (10) comprises at least a fixing frame (101), a gripper screw (102), a gripping block (103) and a fixing link (104);
the fixing frame (101) is C-shaped, and the fixing frame (101) is rotationally connected with the fixed connecting rod (104) through a connecting shaft;
the clamp holder screw rod (102) is arranged on the fixing frame (101) in a penetrating mode and is in threaded connection with the fixing frame (101);
the clamping block (103) is arranged at one end of the clamping device screw rod (102) and is positioned in the fixing frame (101) and used for being abutted with the external mechanism; the clamping block (103) is matched with the side wall of the fixing frame (101) which is arranged opposite to the clamping block (103), and is used for clamping and fixing the fixing assembly (10) on the external mechanism.
3. An upper limb booster according to claim 1, wherein the active rotation assembly (20) comprises at least a plurality of connecting rods (201) and a plurality of rotation joints (202), the rotation joints (202) are fixedly connected to both ends of the connecting rods (201), and the connecting rods (201) are connected in series through the rotation joints (202) to the connecting shafts.
4. An upper limb booster according to claim 3, wherein the head end of each of the connecting rods (201) connected in series is rotatably connected to the fixing member (10) via the connecting shaft, and the tail end of each of the connecting rods (201) connected in series is rotatably connected to the adjusting mechanism member (30) via the connecting shaft.
5. An upper limb booster according to claim 1, wherein the adjustment mechanism assembly (30) comprises at least a booster adjustment knob (301), a fixed joint (302), a revolute joint (303) and a fixed rod (304);
the power-assisted adjusting knob (301) is arranged on the fixed joint (302) in a penetrating way and is rotationally connected with the fixed joint (302);
the fixed joint (302) and the rotating joint (303) are internally connected with a joint bearing (305), a joint shaft (306) is sleeved in the joint bearing (305), and the fixed joint (302), the rotating joint (303) and the joint shaft (306) rotate mutually.
6. An upper limb booster according to claim 5, wherein one end of the joint shaft (306) is fixedly connected with a worm wheel (307), the worm wheel (307) is connected with a worm (308) which is matched with each other, the worm (308) is fixedly connected with the booster adjusting knob (301), the booster adjusting knob (301) is used for driving the worm (308) to rotate, and further driving the worm wheel (307) to rotate, and the worm wheel (307) drives the joint shaft (306) to rotate in the joint bearing (305).
7. An upper limb booster according to claim 5, wherein a coil spring (309) is provided in the rotary joint (303) and outside the joint shaft (306) for providing external support force for the adjustment mechanism assembly (30);
the inner end (309 a) of the coil spring is fixedly connected with the joint shaft (306), and the outer end (309 b) of the coil spring is fixedly connected with the rotary joint (303).
8. An upper limb booster according to claim 5, wherein the outer side of the fixed joint (302) is provided with a first end cap (3021) and the outer side of the revolute joint (303) is provided with a second end cap (3031).
9. An upper limb booster according to claim 5, wherein the fixed joint (302) is provided with a chute (3022) adjacent to the side wall of the rotary joint (303), the chute (3022) is slidably connected with a limit knob (310), one end of the limit knob (310) is fixedly connected with the rotary joint (303), and the limit knob (310) rotates relatively around the axis of the rotary joint (303) to limit the maximum rotation angle of the rotary joint (303) relative to the fixed joint (302).
10. An upper limb booster according to claim 1, wherein the bearing assembly (40) comprises at least an arm drag (401), a ball joint block (402), a tightening bolt (403) and a support cloth (404);
the arm tractor (401) is U-shaped, and a shaft at one side of the arm tractor (401) is connected with a slot (4021) formed in the spherical connecting block (402) in a matched mode;
the spherical connecting block (402) is fixedly connected with the connecting shaft, and the other end of the connecting shaft is rotationally connected with the adjusting mechanical assembly (30);
the tightening bolt (403) is arranged on the slot (4021) in a penetrating way and is used for locking the arm tractor (401) on the spherical connecting block (402);
the support cloth (404) is mounted on the arm drag (401).
CN202320301063.5U 2023-02-24 2023-02-24 Upper limb booster Active CN219235289U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320301063.5U CN219235289U (en) 2023-02-24 2023-02-24 Upper limb booster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320301063.5U CN219235289U (en) 2023-02-24 2023-02-24 Upper limb booster

Publications (1)

Publication Number Publication Date
CN219235289U true CN219235289U (en) 2023-06-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320301063.5U Active CN219235289U (en) 2023-02-24 2023-02-24 Upper limb booster

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118081777A (en) * 2024-04-28 2024-05-28 江西求是高等研究院 Active control method and system for movement of wearable upper limb mechanical arm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118081777A (en) * 2024-04-28 2024-05-28 江西求是高等研究院 Active control method and system for movement of wearable upper limb mechanical arm

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