CN211053678U

CN211053678U - Multifunctional power-assisted machine

Info

Publication number: CN211053678U
Application number: CN201921464538.2U
Authority: CN
Inventors: 王杰; 胡致远
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-07-21
Anticipated expiration: 2029-09-03

Abstract

The utility model relates to a multi-functional helping hand machinery, its characterized in that: the product comprises a concave waist box, a reverse crankshaft, wheels, a cloth bag, a supporting mechanism, a thigh mechanism, a transverse plate, a fixing plate, a shank mechanism, a foot plate and the like, wherein the concave waist box is attached to the waist, the reverse crankshaft penetrates through the concave waist box and is connected with the concave waist box in a rotating manner, a hand-operated rod in the shank mechanism is pushed forwards by the right hand of a user to drive cranks at two ends of the reverse crankshaft to rotate clockwise, after the cranks rotate for a circle, stepping and leg withdrawing actions of legs are finished, and the right leg can move forwards and the left leg can be withdrawn simultaneously due to 180 degrees formed by the two cranks, so that repeated operation is realized; the bolt for connecting the crank and the hand-operated rod is pulled out, and the crus and the thighs are connected and fixed through the fixing plate, so that the posture deformation of the seat is completed; the sliding rod in the middle of the concave waist box is pulled out to put down the cloth bag, and then the wheels on the cloth bag are inserted into the feet to finish the deformation of the posture of the handcart, so that the trolley is simple to operate, safe and stable, and can meet various requirements of the old people when going out.

Description

Multifunctional power-assisted machine

Technical Field

The invention relates to the field of bionic and power-assisted machinery, in particular to a power-assisted mechanical device which is convenient for old people to wear on the body and helps the old people to walk normally, climb stairs, sit down for rest and shop.

Background

In the current society, the elderly occupy an important proportion in the whole social group, and the requirements of the elderly are more and more important to people, particularly for the elderly with inconvenient actions. With age, the elderly have impaired vision, reduced joint flexibility, and reduced balance ability, which results in unstable stance and walking. Research shows that 53 percent of old people fall down due to walking or unstable standing, and the fall down is an important reason causing injury to cause other diseases, thereby bringing great pain to the old people. Therefore, a device is needed to help the old to walk more stably and reduce the pressure of daily activities. Most of old-fashioned machines in the market are electric equipment, and have the problems of easy damage, difficult operation, instability and the like.

Under this background, this paper has designed one kind and has satisfied the old man's helping hand machinery that the old man's activity of going on a journey just can supply to dress, and the device concrete easy operation, safety and stability.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a multifunctional power assisting machine. The multifunctional old-age assisting machine helps the old to go out more easily and safely. The walking chair has the advantages that the walking chair can drive the two legs to walk by utilizing the strength of the arms of the old to make up the deficiency of the strength of the legs when the old walks or climbs stairs. The multifunctional chair has the advantages of being multifunctional, capable of being changed into a chair for the old to rest and a trolley for placing articles. Its advantages are simple structure, low cost, high safety and stability, and high durability.

The invention adopts the following technical scheme for realizing the purpose: a multifunctional power-assisted machine comprises a waist box unit and a leg unit, wherein the waist box unit comprises a concave waist box 1, a slide rod 13, a reverse crankshaft 2, wheels 7, a cloth bag 12 and a supporting mechanism 3; the left inner side and the right inner side of the concave waist box 1 are provided with sliding chutes, and the front inner side is provided with a rectangular notch; the left end and the right end of the sliding rod 13 are placed on the sliding grooves; the waistband is fixed on the inner side of the concave waist box 1; the reverse crankshaft 2 penetrates through the concave waist box 1 and is fixed on the left and right surfaces along the axial direction; the wheels 7 are connected to the front side of the concave waist box 1 through threads; the supporting mechanism 3 comprises a hinged support 301, a first telescopic rod 303, a second telescopic rod 304 and a flexible clamping seat 302, wherein the hinged support 301 and the flexible clamping seat 302 are respectively fixed on the bottom surface of the concave waist box 1 in a bilateral symmetry manner, the first telescopic rod 303 is hinged on the hinged support 301, and the second telescopic rod 304 is connected in the first telescopic rod 303 in a sliding manner and controls the telescopic length through a positioning pin; the leg unit comprises a pair of thigh mechanisms 4, a pair of shank mechanisms 9, a middle transverse plate 8, a bottom transverse plate 6, a fixed plate 11 and a foot plate 10 which are bilaterally symmetrical; the thigh mechanism 4 comprises a front thigh plate 401 and a rear thigh plate 402, and the upper end of the front thigh plate 401 is concentrically assembled with the reverse crankshaft 2; the upper end of the rear thigh plate 402 is connected with the left side and the right side of the concave waist box 1 through pins, and the lower end is connected with the middle transverse plate 8 through pins; the shank mechanism 9 comprises a front shank plate 901, a rear shank plate 902, a hand lever 5 and a foot plate 10; the upper ends of the front shank plate 901 and the rear shank plate 902 are connected to the middle transverse plate 8 through pins, and the lower ends are connected to the bottom transverse plate 6 through pins; the bottom end of the hand crank 5 is fixed with the upper end of the rear shank plate 902, and the upper part of the hand crank is connected with the crank of the reverse crankshaft 2 through a pin; the foot plate 10 is connected to the bottom transverse plate 6 through a pin; the fixing plate 11 connects the thigh plate and the lower leg plate when the stroller and the seat are in the postures.

Preferably, the multifunctional power assisting machine provided by the invention has the advantages that the cloth bag 12 is stacked inside the concave waist box 1 when not in use, is opened along with the movement of the sliding rod 13 along the sliding groove when in use, and is completely opened when the tail end of the sliding groove is reached.

Preferably, the reverse crankshaft 2 of the multifunctional power assisting machine is a long rod with cranks with 180-degree difference at the left end and the right end, the right hand-operated rod 5 is pushed forwards in a walking state, the left leg is pushed forwards under the action of the reverse crankshaft 2, the left hand-operated rod 5 is pushed, the right leg is pushed forwards, and the walking motion is finished in a reciprocating mode.

Preferably, the invention provides a multifunctional power-assisted machine, wherein wheels 7 of a waist box unit are fixed in front of a concave waist box 1 through threaded holes in a non-trolley state and are fixed on left and right foot plates 10 through threaded holes in a trolley state; the fixing plate 11 is used for connecting and fixing the thigh mechanism 4 and the shank mechanism 9 in a trolley shape, so that the legs are fixed.

Preferably, the supporting mechanism 3 of the multifunctional power assisting machine provided by the invention comprises a first telescopic rod 303 which can rotate along a hinge support 301, can be contracted in the non-seat form and clamped on the lower surface of the concave waist box 1 through a flexible clamping seat 302, and can extend and lean on the hinge support 301 to play a role of a supporting and balancing device in the seat form.

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

1. the multifunctional power-assisted machine is simple to operate, firm, durable, safe and stable;

2. a multifunctional power-assisted machine has multiple functions, can realize corresponding functions by changing different forms, and can meet various requirements of the old for going out;

3. the multifunctional power-assisted machine has low cost and is suitable for large-scale processing and production;

drawings

The invention is further described with reference to the following figures and embodiments.

FIG. 1 is a schematic perspective view of the present invention viewed from the front left;

FIG. 2 is a schematic perspective view of the invention viewed from the rear right;

FIG. 3 is a schematic structural view of the walking mode of the present invention;

FIG. 4 is a schematic view of the seat construction of the present invention;

FIG. 5 is a schematic view of the cart configuration of the present invention;

the following are specific examples of the present application.

Detailed Description

The invention is further illustrated by the following specific examples.

As shown in fig. 1 to 5, the multifunctional power assisting mechanism of the present invention comprises a waist box unit and a leg unit, wherein the waist box unit comprises a concave waist box 1, a slide bar 13, a reverse crankshaft 2, a wheel 7, a cloth bag 12 and a supporting mechanism 3; the left inner side and the right inner side of the concave waist box 1 are provided with sliding chutes, and the front inner side is provided with a rectangular notch; the left end and the right end of the sliding rod 13 are placed on the sliding groove and can slide along the sliding groove; one end of the cloth bag 12 is connected above the rectangular notch through a clasp, one end of the cloth bag is sewn on the sliding rod 13 and is stacked inside the concave waist box 1 when not in use, and the cloth bag 12 is taken out of the concave waist box 1 and unfolded when the sliding rod 13 slides along the sliding groove; the waistband is fixed on the inner side of the concave waist box 1 and is responsible for stably fixing the concave waist box 1 on the waist; the reverse crankshaft 2 penetrates through the concave waist box 1 and is fixed on the left and right surfaces in a transition fit mode through bearings along the axial direction, so that the reverse crankshaft can only rotate and cannot move left and right, and the ends of cranks at the two ends of the reverse crankshaft are connected with a hand crank 5 through pins with clamping grooves; the wheels 7 are connected to the front side of the concave waist box 1 through threads and can be taken down manually; the supporting mechanism 3 comprises a hinged support 301, a first telescopic rod 303, a second telescopic rod 304 and a flexible clamping seat 302, wherein the hinged support 301 and the flexible clamping seat 302 are respectively fixed on the bottom surface of the concave waist box 1 in a bilateral symmetry manner, the first telescopic rod 303 is hinged on the hinged support 301, and the second telescopic rod 304 is connected in the first telescopic rod 303 in a sliding manner and controls the telescopic length through a positioning pin; the leg unit comprises a pair of thigh mechanisms 4, a pair of shank mechanisms 9, a middle transverse plate 8, a bottom transverse plate 6, a fixed plate 11 and a foot plate 10 which are bilaterally symmetrical; the thigh mechanism 4 comprises a front thigh plate 401 and a rear thigh plate 402, and the through hole at the upper end of the front thigh plate 401 is concentrically assembled with the crankshaft; the upper end of the rear thigh plate 402 is connected with the left side and the right side of the waist box 1 through pins, and the lower end is connected with the middle transverse plate 8 through pins; the shank mechanism 9 comprises a rear shank plate 902, a hand lever 5 and a foot plate 10; the upper ends of the rear lower leg plate 902 and the rear lower leg plate are connected to the middle transverse plate 8 through pins, and the lower ends of the rear lower leg plate 902 and the rear lower leg plate are connected to the bottom transverse plate 6 through pins; the bottom end of the hand-operated rod 5 is fixed with the upper end of the rear shank plate, and the upper part of the hand-operated rod is connected with a crank of the reverse crankshaft 2 through a pin; the foot plate 10 is connected to the bottom transverse plate 6 through a pin; the fixing plate 11 connects the thigh plate and the lower leg plate when the stroller and the seat are in the postures.

As shown in fig. 3, in this form, after the device is worn by a user, the user holds the two hand-operated levers 5 with the left and right hands during walking, then swings the hand-operated levers 5 with both hands during normal walking, the hand-operated levers directly and fixedly connect with the second shank plate to drive the leg mechanism to do walking motion, and when the hand-operated lever on the right hand moves forward along the front half circle, the force is transmitted to the hand-operated lever on the left hand under the action of the reverse crankshaft, and at this time, the left hand pulls backward to give a force to the left hand-operated lever, the two forces jointly drive the left leg to step forward, the center of gravity of the person moves forward, and when the left crank rotates right to the front half circle right leg just after the left step, the left crank reciprocates in such a way to form walking motion, which is the walking function of the device.

As shown in fig. 4, the chair is a chair, which allows the user to take a rest; when a user needs to use the chair shape of the device, the device is taken off, and then the holes in the first thigh plate and the second thigh plate are inserted into the corresponding grooves in the side surface of the waist box 1 by using the pins to complete the fixation of the thighs; then, one end of the fixing plate 11 on the thigh plate is detached and fixed on the second shank plate by using a pin, so that the shank can be fixed; finally, the second telescopic rod 304 below the waist box 1 extends out of the first telescopic rod 303, the first telescopic rod 303 rotates for a certain angle along the shaft until the second telescopic rod abuts against the rear plate of the hinged support 301, and the deformation of the seat shape is completed; the user can place the device on a flat ground and sit on the upper surface of the waist box 1 for simple rest; in order to take care of the comfort of different users, the mechanism is provided with a plurality of adjustable parts, such as a plurality of pin holes on the thigh plate and the shank plate, and a plurality of stages of length adjusting holes of the telescopic rod, so that the users can conveniently adjust the height of the chair.

As shown in fig. 5, in this form, the device is taken off when the user needs to use the device in a trolley form, then the thigh plate and the shank plate are changed according to the steps of the chair form, the height is properly adjusted to be low, so that the two hand-operated rods 5 are naturally held by both hands, then the sliding rods 13 slide to the tail ends along the sliding grooves, the cloth bag 12 is taken out and unfolded, the wheels 7 are detached from the front end of the waist box 1 and assembled on the foot plates 10, and the deformation of the trolley form can be completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A multifunctional power assisting machine is characterized in that: the waist box comprises a waist box unit and a leg unit, wherein the waist box unit comprises a concave waist box (1), a slide bar (13), a reverse crankshaft (2), wheels (7), a cloth bag (12) and a supporting mechanism (3); the left inner side and the right inner side of the concave waist box (1) are provided with sliding chutes, the front inner side is provided with a rectangular notch, and a storage space is arranged behind the notch; the left end and the right end of the sliding rod (13) are placed on the sliding grooves; the reverse crankshaft (2) penetrates through the concave waist box (1) and is connected to the left and right surfaces of the concave waist box (1) in an axial rotating manner; the wheels (7) are connected to the front side of the concave waist box (1) through threads; the supporting mechanism (3) comprises a hinged support (301), a first telescopic rod (303), a second telescopic rod (304) and a flexible clamping seat (302), wherein the hinged support (301) and the flexible clamping seat (302) are respectively fixed on the bottom surface of the concave waist box (1) in a bilateral symmetry manner, the first telescopic rod (303) is hinged on the hinged support (301), and the second telescopic rod (304) is connected inside the first telescopic rod (303) in a sliding manner and controls the telescopic length through a positioning pin; the leg unit comprises a pair of thigh mechanisms (4), a shank mechanism (9), a middle transverse plate (8), a bottom transverse plate (6), a fixed plate (11) and a foot plate (10) which are bilaterally symmetrical; the thigh mechanism (4) comprises a front thigh plate (401) and a rear thigh plate (402); the upper end of the front thigh plate (401) is concentrically assembled with the reverse crankshaft (2); the upper end of the rear thigh plate (402) is connected to the left side and the right side of the concave waist box (1) through pins, and the lower end of the rear thigh plate is connected with the middle transverse plate (8) through pins; the shank mechanism (9) comprises a front shank plate (901), a rear shank plate (902), a hand lever (5) and a foot plate (10); the upper ends of the front shank plate (901) and the rear shank plate (902) are connected to the middle transverse plate (8) through pins, and the lower ends of the front shank plate and the rear shank plate are connected to the bottom transverse plate (6) through pins; the bottom end of the hand-operated rod (5) is fixed with the upper end of the rear shank plate (902) through a pin, and the upper part of the hand-operated rod (5) is connected with a crank of the reverse crankshaft (2) through a pin; the foot plate (10) is connected to the bottom transverse plate (6) through a pin; the two ends of the fixing plate (11) are connected with the thigh plate and the lower leg plate through pins when the cart is in a pushing posture and the seat is in a sitting posture.

2. A multi-functional power assisting machine according to claim 1, characterized in that the cloth bag (12) is rolled up and put into a storage space behind the notch on the front side inside the concave waist box (1) when not in use, and is unfolded when the sliding rod (13) moves along the sliding slot when in use, and the cloth bag (12) is completely unfolded when the sliding rod (13) reaches the end of the sliding slot.

3. The multifunctional boosting machine as claimed in claim 1, wherein the reverse crank shaft (2) is a long rod with cranks with 180 ° difference at left and right ends, in the walking state, the right hand crank shaft is pushed forward, the left leg is pushed forward by the reverse crank shaft (2), and then the left hand crank shaft is pushed, the right leg is pushed forward, and thus the walking motion is completed in a reciprocating manner.

4. A multi-function power assist machine according to claim 1 wherein the wheels (7) of the waist box unit are screwed in front of the concave waist box (1) in the non-trolley configuration and are fixed to the left and right foot plates (10) through screw holes in the trolley configuration.

5. The multifunctional power assisting machine as claimed in claim 1, is characterized in that the fixing plate (11) is connected with the thigh mechanism and the shank mechanism through pins at two ends in the trolley mode and the seat mode so as to ensure that legs are fixed.

6. A multi-function power assisting machine according to claim 1, wherein the support mechanism (3) comprises a telescopic rod which can rotate along a hinged support, can be contracted in the non-seat configuration and clamped on the lower surface of the waist box through a flexible clamping seat (302), and can be extended and leaned on the hinged support to play the role of a supporting and balancing device in the seat configuration.