CN113350131A

CN113350131A - Displacement walking-aid weight-reducing device

Info

Publication number: CN113350131A
Application number: CN202110823119.9A
Authority: CN
Inventors: 王勇; 陈庚; 杜明洲; 陈恩伟; 陆益民; 刘正士
Original assignee: Hefei University of Technology
Current assignee: Hefei University of Technology
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-09-07

Abstract

The invention discloses a weight-reducing device for moving and walking. arranged on the upper end of the support frame. The moving base has a base connected with the support frame and at least two bearing bases that form a moving pair with the base, and the distance between the two bearing bases is adjusted accordingly. The armpit bearing mechanism in the displacement walking aid weight reduction device of the present invention is driven by the first linear actuator to realize height adjustment while maintaining a certain posture of the armpit support rod, and can better simulate a person to complete standing from a sitting posture. And it can better simulate the action process of a person from a standing posture to a sitting posture, and the height adjustment of the armpit support bar can be applied to people of different heights; and the underarm bearing mechanism can play a certain role in reducing the weight of the user.

Description

Displacement walking-aid weight-reducing device

The technical field is as follows:

the invention relates to a shifting walking-aid weight-reducing device, belonging to the technical field of health-care auxiliary instruments.

Background art:

with the gradual step of our country into the elderly society, the medical treatment and nursing for the elderly, especially the elderly with inconvenient movement and the disabled with lower limbs, become the social problems that must be solved at present.

At present, an upper computer in the market is mainly used for assisting a caregiver to transfer the position of a user, for example, the user is transferred among positions such as a sofa, a bed, a toilet and the like, but the existing shifting structure is complex and complicated to operate, and the caregiver is required to assist in completing complicated wearing actions; in addition, the sofa, the seat and the bed on the market have no uniform standard height, and the traditional shifting machine still stops at the fixed height stage, so that the height of the sofa, the bed and the pedestal pan is difficult to match, the nursing is still inconvenient, and the nursing is carried, carried and carried by a nursing staff. The existing shifting machine is not good enough for simulating the action process of a human from a sitting posture state to a standing state and can not well simulate the action process of the human from the standing state to the sitting posture state. The width of a base can not be adjusted under the condition of ensuring that other sizes are not changed aiming at doors, wheelchairs, seats and the like with different widths; the existing displacement machine adopting the armpit support cannot ensure that the support part keeps a certain posture angle in the lifting process.

In addition, the existing shifter has single function, can only carry out simple shifting work, but cannot obtain good walking assisting effect for a long person with certain lower limb capability and a patient needing lower limb training.

In conclusion, it is important to develop a shifting walking aid and weight reduction device.

The invention content is as follows:

in order to overcome the defects of the prior art, the invention aims to provide a shifting walking aid and weight reduction device, which simultaneously realizes the shifting walking aid function and provides a certain weight reduction effect.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the utility model provides a shift helps capable device that subtracts heavy, includes removes base, support frame, support height parallel adjustable armpit and bears the weight of the mechanism, the support frame sets up remove on the base, armpit bears the weight of the mechanism setting and is in the support frame upper end.

Preferably, the underarm bearing mechanism includes a first frame, a first connecting rod, a second connecting rod, a first linear actuator and two underarm supporting rods disposed on the first connecting rod, the first frame is disposed at the upper end of the supporting frame, the head ends of the first connecting rod and the second connecting rod are respectively hinged to the first frame, the tail ends of the first connecting rod and the second connecting rod are respectively hinged to the first connecting rod, one end of the linear actuator is hinged to the supporting frame or the first frame, the other end of the linear actuator is hinged to the middle of the first connecting rod or the second connecting rod, and the first frame, the first connecting rod, the second connecting rod and the first connecting rod form a parallelogram mechanism.

Preferably, the first frame is hinged with a connecting member forming a revolute pair with the first frame, the head ends of the first connecting rod and the second connecting rod are respectively hinged with the connecting member, and an adjusting assembly is arranged between the first frame and the connecting member to adjust the rotation amplitude between the connecting member and the first frame. An adjusting component is arranged between the first frame and the connecting piece and used for adjusting the angle between the connecting piece and the first frame, so that the angle between the armpit supporting rod and the horizontal plane is changed.

Preferably, the adjusting assembly comprises a T-shaped bolt forming a revolute pair with the connecting piece, and a screw section of the T-shaped bolt penetrates through a rotating shaft arranged on the first frame and is provided with an adjusting nut matched with the T-shaped bolt.

Preferably, the distance between the two axillary support rods and the first connecting rod is adjustable, specifically, a threaded rod with forward and reverse threads is arranged on the first connecting rod, and the two axillary support rods are respectively in threaded connection with two ends of the threaded rod.

Preferably, a foldable bearing seat mechanism is further arranged below the underarm bearing mechanism, and includes a second frame, a third connecting rod, a fourth connecting rod, a second linear actuator and a bearing seat arranged on the second connecting rod, the second frame is arranged on the supporting frame, the head ends of the third connecting rod and the fourth connecting rod are respectively hinged on the second frame, the tail ends of the third connecting rod and the fourth connecting rod are respectively hinged on the second connecting rod, one end of the second linear actuator is hinged on the supporting frame or the second frame, the other end of the second linear actuator is hinged in the middle of the third connecting rod or the fourth connecting rod, and the second frame, the third connecting rod, the fourth connecting rod and the second connecting rod form a parallelogram mechanism.

Preferably, the movable base has a base connected to the support frame and at least two bearing bases forming a sliding pair with the base, and the distance between the two bearing bases is adjustable.

Preferably, two bearing bases are arranged on two sides of the base, namely a first bearing base and a second bearing base, and one or more linear actuators are arranged between the first bearing base and the base or between the second bearing base and the support frame;

preferably, the first and second load bearing bases have auxiliary sliding members integrally provided at side portions thereof, and each of the auxiliary sliding members and the base constitute a sliding pair via a sliding bearing.

Preferably, the bottom of the first bearing base and the bottom of the second bearing base are also provided with directional wheels and/or universal wheels and/or electric wheels, and at least one or two of the directional wheels and/or universal wheels and/or electric wheels are provided with a brake mechanism.

Compared with the prior art, the invention has the beneficial effects that:

the armpit bearing mechanism in the displacement walking aid weight reducing device realizes height adjustment through the driving of the first linear actuator under the condition that the armpit supporting rod is kept in a certain posture, so that a better simulator can finish the action process of standing from a sitting posture state and a better simulator can finish the action process from the standing posture to the sitting posture state, and the height adjustment of the armpit supporting rod can be suitable for people of different height groups; and can play a certain weight-reducing role for the user through the armpit bearing mechanism.

The bearing seat mechanism in the shifting walking aid weight reducing device realizes height adjustment and folding through the driving of the second linear actuator under the condition of keeping a certain posture of the seat, gives a larger range of activity space to a user after finishing folding, and can enable the device to approach the user more closely when shifting after finishing folding, thereby facilitating shifting work. The displacement under different postures can be completed by adjusting the posture of the seat; and can play a certain weight reduction role to the user through the bearing seat mechanism.

The shifting walking-aid weight-reducing device can realize the matching use of the armpit bearing mechanism and the bearing seat mechanism.

The shifting walking aid weight reducing device can be used for adjusting the width of the moving base by independently using the third linear actuator and the fourth linear actuator or cooperatively using the third linear actuator and the fourth linear actuator under the condition of not changing other sizes, and is suitable for shifting walking aids under more conditions.

The shifting walking aid weight reducing device can realize shifting and walking aid functions, can simply and quickly shift a user who is inconvenient to move, and is convenient to shift and simple in mechanism.

Description of the drawings:

FIG. 1 is a perspective view of a shifting walker weight reduction device in accordance with one embodiment of the present invention;

FIG. 2 is a completed retracted view of a load bearing seat mechanism of a shifting walker weight reduction device in accordance with one embodiment of the present invention;

FIG. 3 is a schematic view of the angle adjustment of the underarm support bar of the shifting walker and weight reduction device according to one embodiment of the present invention;

FIG. 4 is a schematic view of the adjustment of the distance between the underarm support rods of the shifting walker and the weight reduction device according to one embodiment of the present invention;

FIG. 5 is a schematic view of a mobile base of a shifting walker weight reduction device in accordance with one embodiment of the present invention;

FIG. 6 is a schematic view of the first movable base distance adjustment of the shifting walker weight reduction device according to one embodiment of the present invention;

FIG. 7 is a schematic view of the second movable base distance adjustment of the shifting walker weight reduction device according to one embodiment of the present invention;

FIG. 8 is a schematic view of a mechanism for adjusting the distance between the bearing base and the weight-reducing device of the invention.

Reference numbers in the figures: 10 moving base, 101 base, 102 first carrying base, 103 second carrying base, 104 third linear actuator, 105 fourth linear actuator, 106 optical axis, 107 auxiliary sliding component, 1011 optical axis fixer, 1021 first linear bearing fixed seat component, 1031 second linear bearing fixed seat component, 20 support frame, 30 armpit carrying mechanism, 301 first frame, 302 first connecting rod, 303 second connecting rod, 304 first connecting rod, 305 first linear actuator, 306 armpit supporting rod, 3001 connecting piece, 3002T bolt, 3003 adjusting nut, 40 carrying seat mechanism, 401 second frame, 402 third connecting rod, 403 fourth connecting rod, 404 second connecting rod, 405 second linear actuator, 406 carrying seat, 104' carrying base distance adjusting mechanism, 1041 sliding guide, 1042 slider, 1043 linear actuator, 1044 first supporting rod, 1045 second supporting rod.

The present invention will be further described with reference to the following detailed description and accompanying drawings.

The specific implementation mode is as follows:

in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

See fig. 1 to 6.

The invention discloses a shifting walking-aid weight-reducing device, which comprises a moving base 10, a supporting frame 20 and an armpit bearing mechanism 30; the movable base 10 has a base 101 and two bearing bases, the supporting frame 20 is inserted into the base 101 and can be locked on the base 101 by one or more wing bolts, and the armpit bearing mechanism 30 is arranged at the upper end of the supporting frame 20. In the specific setting, the distance between the two bearing bases is adjustable, which can be realized by the following structure, two bearing bases are arranged on two sides of the base 101, the first bearing base 102 and the second bearing base 103 are respectively arranged, the third linear actuator 104 is arranged between the first bearing base 102 and the base 101, the fourth linear actuator 105 is arranged between the second bearing base and the base 101, the optical axis fixer 1011 is arranged in the base 101 and is used for fixing the optical axis 106, the first linear bearing fixing base component 1021 and the second linear bearing fixing base component 1031 which work in cooperation with the optical axis are respectively arranged in the first bearing base 102 and the second bearing base 103, and the optical axis 106 can guide the displacement of the two bearing bases and play a certain supporting role under the condition of the maximum stretching amount.

In a specific arrangement, the auxiliary sliding members 107 may be disposed on the side portions of the two bearing bases, each auxiliary sliding member 107 and the corresponding bearing base are of an integral structure, and the two auxiliary sliding members and the base 101 may form a sliding pair through sliding bearings, so as to reduce friction between the two bearing bases and the base 101, and the third linear actuator 104 and the fourth linear actuator 105 may implement different controls on the first bearing base 102 and the second bearing base 103, so as to adapt to more situations. And set up different mounting height's directional wheel or universal wheel or electronic round (install according to specific demands) in the bottom that bears the base two, also can decide certain or a plurality of wheel band brake mechanism according to specific demands, the design can reduce the distance that bears base and ground two like this, is applicable to more circumstances.

The invention discloses a shifting walking-aid weight-reducing device.A axilla bearing mechanism 30 comprises a first frame 301, a first connecting rod 302, a second connecting rod 303, a first connecting rod 304, a first linear actuator 305 and two axilla supporting rods 306 arranged on the first connecting rod 304, wherein the first frame 301 is arranged at the upper ends of the supporting rods 20, the head ends of the first connecting rod 302 and the second connecting rod 303 are respectively hinged on the first frame 301, the tail ends of the first connecting rod 302 and the second connecting rod 303 are respectively hinged on the first connecting rod 304, one end of the first linear actuator 305 is hinged on a supporting frame 20 or the first frame 301, the other end of the first linear actuator 305 is hinged in the middle of the first connecting rod 302 or the second connecting rod 303, and the first frame 301, the first connecting rod 302, the second connecting rod 303 and the first connecting rod 304 form a parallelogram mechanism. Height adjustment is achieved for the underarm support bar 306 by the first linear actuator 305. In order to adjust the pitch of the armpit supporting rod 306 more precisely, as shown in fig. 3, a connecting member 3001 forming a revolute pair with the first frame 301 is hinged on the first frame 301, the head ends of the first connecting rod 302 and the second connecting rod 303 are respectively hinged on the connecting member 3001, and an adjusting assembly is arranged between the first frame 301 and the connecting member 3001 for adjusting the rotation amplitude between the connecting member 3001 and the first frame 301, wherein the rotation amplitude is actually and finally reflected on the pitch angle of the parallelogram mechanism. As an implementation manner, the aforementioned adjusting component may be: a T-bolt 3002 forming a rotation pair with the body of the connecting member 3001 is provided, a screw section of the T-bolt passes through a certain rotating member (for example, a rotating shaft similar to the rotating shaft on the first frame 301 is shown) arranged on the first frame 301 and forms a moving pair with the rotating member (it can be understood that a light hole is arranged on the rotating member for the T-bolt to pass through), and the adjustment and locking are realized by arranging an adjusting nut 3003 matched with the T-bolt.

During the use, will remove base 10 and move to user's position, carry out height control to armpit bracing piece 306 through first linear actuator 305, place armpit bracing piece 306 in user's armpit, caretaker or user control first linear actuator 305 and promote the height, and in first linear actuator 305 drive process, armpit bracing piece 306 can keep certain gesture angle and realize high lifting, and the action process of fine anthropomorphic dummy from the state of sitting to the gesture of standing. Meanwhile, the weight-reducing effect can be achieved to a certain extent.

The tilt angle of the parallelogram mechanism for supporting the two armpit support bars 306 is adjusted by the adjusting nut 3003, so as to change the attitude angle of the armpit support bars 306 during the lifting or lowering process.

The shifting walker weight reduction device of the present invention further comprises a foldable carrier base mechanism 40 (for a user to sit on), the foldable carrier base mechanism 40 comprising: the bicycle comprises a second frame 401, a third connecting rod 402, a fourth connecting rod 403, a second connecting rod 404, a second linear actuator 405 and a bearing seat 406 (similar to a seat cushion of a bicycle) adjustably arranged on the second connecting rod 404, wherein the second frame 401 is arranged on a supporting frame 20 and can move up and down on the supporting frame 20 and be locked by a butterfly bolt, the head ends of the third connecting rod 402 and the fourth connecting rod 403 are respectively hinged on the second frame 401, the tail ends of the third connecting rod 402 and the fourth connecting rod 403 are respectively hinged on the second connecting rod 404, one end of the second linear actuator 405 is hinged on the supporting frame 20 or the second frame 401, and the other end of the second linear actuator is hinged in the middle of the third connecting rod 402 or the fourth connecting rod 403, wherein the second frame 401, the third connecting rod 402, the fourth connecting rod 403 and the second connecting rod 404 form a parallelogram mechanism.

Wherein the second linear actuator 405 implements actions such as folding the carrier base mechanism 40; the user can cooperate the armpit to bear mechanism 30 and use, and after accomplishing the altitude mixture control through first linear actuator 305, caretaker or user can accomplish to bear seat mechanism 40 and realize extending from the fold condition through operating second linear actuator 405, and caretaker adjusts second frame 401 to suitable level, adjusts again and bears seat 406 and selects suitable height, cooperates armpit to bear mechanism 30 and accomplishes to help the capable aversion. In addition, when the carrying seat mechanism is used, the posture of the carrying seat 406 can be adjusted, and the user can use the carrying seat mechanism in different postures.

In addition, the armpit supporting mechanism can be used independently, at the moment, the foldable supporting seat mechanism 40 is in a folded state to provide a larger activity space for a user, and when the armpit supporting rod 306 is placed under the armpit of the user, the foldable supporting seat mechanism 40 in the folded state can enable the armpit supporting rod 306 to be placed under the armpit of the user in a larger length, so that the length of the force arm is reduced, and the armpit supporting mechanism is suitable for users in more states, such as a bed, a sofa, a toilet and the like.

The distance between the armpit supporting rods 306 in the armpit bearing mechanism 30 of the present invention can be adjusted, as shown in fig. 4, a threaded rod with forward and reverse threads can be arranged on the first connecting rod 304, the two armpit supporting rods 306 are respectively in threaded connection with two ends of the threaded rod, and the distance between the armpit supporting rods can be adjusted by rotating the threaded rod. When the armpit supporting rods 306 are placed under the armpits of a user during use, the distance between the armpit supporting rods 306 can be increased, the supporting effect is enhanced, the distance between the armpit supporting rods 306 can be reduced through rotating the threaded rods, and a certain clamping and fixing effect is achieved.

It should be noted that the detailed description of the invention is not included in the prior art, or can be directly obtained from the market, and the detailed connection mode can be widely applied in the field or daily life without creative efforts, and the detailed description is not repeated here.

Example two

Fig. 7 and 8 show another distance adjusting mechanism between the bearing bases, compared with the device of the first embodiment, the difference is that the third linear actuator 104 arranged between the base 101 and the first bearing base 102 and the fourth linear actuator 105 arranged between the base 101 and the second bearing base 103 in the first embodiment are replaced by the bearing base distance adjusting mechanism 104 ', the bearing base distance adjusting mechanism 104' includes a sliding guide 1041, a slider 1042, a linear actuator 1043, a first supporting rod 1044 and a second supporting rod 1045, the sliding guide 1041 is arranged on the supporting frame 20, the slider 1042 is arranged in the sliding guide 1041, the first supporting rod 1044 is hinged on the slider 1042 at one end, the other end is hinged on the second bearing base 103, the second supporting rod 1045 is hinged on the slider 1042 at one end, the other end is hinged on the first bearing base 102, the linear actuator is hinged on the base 101 at one end, the other end is hinged on the sliding block 1042, and the distance between the first bearing base 102 and the second bearing base 103 is adjusted by a single linear actuator.

Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A weight-reducing device for shifting walking, characterized in that it comprises a mobile base (10), a support frame (20), an underarm bearing mechanism (30) with a parallel adjustable support height, and the support frame (20) is arranged on the moving base (10), and the underarm bearing mechanism (30) is arranged on the upper end of the support frame (20).

2 . The weight-reducing device according to claim 1 , wherein the underarm bearing mechanism ( 30 ) comprises a first frame ( 301 ), a first connecting rod ( 302 ), a first frame ( 301 ), a first Two connecting rods (303), a first connecting rod (304), a first linear actuator (305) and two underarm support rods (306) arranged on the first connecting rod (304), the first The frame (301) is arranged on the upper end of the support frame (20), the head ends of the first connecting rod (302) and the second connecting rod (303) are respectively hinged on the first frame (301), The ends of a connecting rod (302) and a second connecting rod (303) are hinged on the first connecting rod (304) respectively, and one end of the first linear actuator (305) is hinged on the support frame (20) Or on the first frame (301), the other end is hinged at the middle of the first connecting rod (302) or the second connecting rod (303), the first frame (301), the first connecting rod (302), The second connecting rod (303) and the first connecting rod (304) constitute a parallelogram mechanism.

3 . The weight-reducing device for shifting walking according to claim 2 , wherein the first frame ( 301 ) is hinged with a connecting piece ( 3001), the head ends of the first connecting rod (302) and the second connecting rod (303) are respectively hinged on the connecting piece (3001), and the first frame (301) is connected to the connecting piece (3001). An adjustment component is arranged between the 3001) for adjusting the angle between the connecting piece (3001) and the first frame (301), so as to change the angle between the underarm support rod (306) and the horizontal plane.

The weight-reducing device for displacement walking according to claim 3, characterized in that the adjustment assembly comprises a T-bolt (3002) that forms a rotating pair with the connecting piece (3001), the T-bolt (3002) The screw segment of the T-bolt (3002) passes through the rotating shaft provided on the first frame (301), and is provided with an adjusting nut (3003) matching the T-bolt.

5. The weight-reducing device according to claim 2, wherein the distance between the two underarm support rods (306) on the first link (304) is adjustable, Specifically, a threaded rod with forward and reverse threads is arranged on the first connecting rod (304), and the two underarm support rods (306) are respectively threadedly connected to both ends of the threaded rod.

6 . The weight-reducing device for moving and walking according to claim 1 , wherein a foldable bearing seat mechanism ( 40 ) is further provided below the armpit bearing mechanism ( 30 ), which comprises a first Two racks (401), a third connecting rod (402), a fourth connecting rod (403), a second connecting rod (404), a second linear actuator (405), and a second connecting rod (405) and a second connecting rod (405). 404) on the bearing seat (406), the second frame (401) is arranged on the support frame (20), the head ends of the third connecting rod (402) and the fourth connecting rod (403) Each is hinged on the second frame (401), the ends are respectively hinged on the second link (404), and one end of the second linear actuator (405) is hinged on the support frame (20) or the On the second frame (401), the other end is hinged to the middle of the third connecting rod (402) or the fourth connecting rod (403). The four connecting rods (403) and the second connecting rod (404) constitute a parallelogram mechanism.

7. The weight-reducing device according to claim 1, wherein the mobile base (10) has a base (101) connected with the support frame (20) and a base (101) connected with the support frame (20). The base (101) constitutes at least two bearing bases of the moving pair, and the distance between the two bearing bases is adjusted accordingly.

8 . The weight-reducing device according to claim 7 , wherein two bearing bases are provided on both sides of the base ( 101 ), the first bearing base ( 102 ) and the first bearing base ( 102 ) and the The second carrying base (103), one or more linear actuators are arranged between the first carrying base (102), the second carrying base (103) and the base (101) or the support frame (20).

9 . The weight-reducing device for displacement walking according to claim 8 , characterized in that, the side parts of the first bearing base ( 102 ) and the second bearing base ( 103 ) are respectively integrally provided with auxiliary sliding A component (107), each of the auxiliary sliding components (107) constitutes a moving pair with a base (101) through a sliding bearing.

10. The weight-reducing device according to claim 8 or 9, characterized in that, the bottoms of the first carrying base (102) and the second carrying base (103) are further provided with directional wheels and /or universal wheels and/or electric wheels, at least one or two of the directional wheels and/or universal wheels and/or electric wheels are provided with a braking mechanism.