CN207804584U - A kind of old age people's air defense tumble auxiliary device - Google Patents

Abstract

The utility model discloses a kind of old people's air defense tumble auxiliary devices, apparatus main body includes the vertically arranged ring baffle of central shaft, the bottom surface of ring baffle is installed with three support columns in equilateral triangle arrangement, the bottom of support column is equipped with universal brake wheel, and brake wheel can be according to acceleration transducer self-actuating brake.The utility model is attracted by electromagnet and metal dish, to realize that pulley stops operating, play the role of brake, when 3-axis acceleration sensor detects apparatus main body acceleration value, signal controller is passed to after signal amplification and analog-to-digital conversion to judge, when acceleration is higher than threshold value, controller then realizes brake by controlling the form that electromagnet is powered, when to avoid personnel from toppling over whole device occur it is too fast move and device caused to be tumbled, may be implemented to prevent the effect fallen in walking process.

Description

Assistive device for preventing falls for the elderly

technical field

The utility model relates to the medical field, in particular to an auxiliary device for preventing falls of the elderly.

Background technique

For the elderly, especially the patients, they are often prone to unsteady walking and falls. The elderly are prone to osteoporosis, and once they fall, they will cause fractures and take a long time to heal. For sick patients or elderly people with unstable walking, it is necessary to take preventive measures and prevent falls in advance.

At present, most of the anti-fall devices on the market are walking aids such as crutches, but these devices have poor protection effect and it is difficult to achieve effective anti-dumping.

Utility model content

The utility model aims to provide an auxiliary walking aid device which can effectively prevent the elderly from falling.

In the anti-fall auxiliary device for the elderly, the main body of the device includes a cylindrical annular baffle with a vertical center axis, and an annular support plate is fixed at the lower edge of the inner side of the annular baffle, and the annular baffle and the annular support plate There are inlets and outlets at the rear end of the ring-shaped support plate, three support columns arranged in an equilateral triangle are fixedly installed on the bottom surface of the annular support plate, and universal brake wheels are installed on the bottom of the support column; the inlet and outlet positions of the annular baffle are provided with One end of the flap is hingedly connected to the ring baffle through a hinge, and the other end of the flap is fixedly connected to the ring baffle through a lock buckle, wherein the hinge and the lock buckle are respectively arranged on the left and right sides of the entrance and exit; The universal brake wheel is mainly composed of a pulley seat and a pulley, the pulley seat is hingedly installed on the bottom of the support column through a universal shaft, and the pulley is installed on the inner side of the pulley seat through the movement of the wheel shaft.

A metal plate of magnetic material is fixed on one side of the pulley, and the center of the metal plate is fixedly sleeved on the wheel shaft arranged horizontally; electromagnets are arranged at intervals on the outer side of the metal plate, and the electromagnet is fixed on the lower end of the hinged arm. The upper end is hingedly mounted on the hinge seat through a pin shaft, and the hinge seat is fixed on the pulley seat. A coil spring is also fixedly sleeved on the pin shaft, and the free end of the coil spring is fixedly connected with the hinge seat; the ring baffle There is also a control box on the outer wall;

The control box is provided with a control module and a power supply module, wherein the control module is provided with a triaxial acceleration sensor for detecting acceleration, the output terminal of the triaxial acceleration sensor is connected to the output terminal of the reference voltage source and the input terminal of the comparator, The output end of the comparator is electrically connected to the electromagnet through the amplifier.

Preferably, the power supply module is provided with a storage battery and a power management unit.

Preferably, the support column is bent outwards.

Preferably, the upper edge of the annular baffle is fixedly provided with handrails along the front side or both sides.

Further, a stop button is provided on the armrest, and the stop button connects the output terminal of the power supply module with the electromagnet through a wire.

Preferably, the inner edge of the annular support plate is covered with an anti-corrosion sheath.

Beneficial effects of the utility model: the utility model uses the electromagnet to engage with the metal plate, so as to realize the stop of the pulley and play the role of braking; use the coil spring to drive the pin shaft to realize the reset of the electromagnet, and realize the reset when the electromagnet is powered off. Automatic separation between the electromagnet and the metal plate; when the three-axis acceleration sensor detects the acceleration value and when the acceleration is higher than the threshold value, the electromagnet is controlled to be energized to achieve braking, so as to avoid the excessive movement of the entire device when the person is dumped. cause the device to overturn, the overall device can effectively prevent the fall of the walker in the annular baffle.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without any creative effort.

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a partial top view of the utility model;

Fig. 3 is the structural representation of the universal brake wheel in the utility model;

Fig. 4 is a schematic diagram of a circuit embodiment of the utility model.

In the figure: 1-ring baffle, 2-handrail, 3-support column, 4-universal brake wheel, 5-import and exit, 6-control box, 7-hinge, 8-flap, 9-lock , 10-ring support plate, 11-anti-collision sheath, 12-pulley seat, 13-pulley, 14-metal plate, 15-axle, 16-electromagnet, 17-articulated arm, 18-pin shaft, 19-hinge Seat, 20-power supply module, 21-stop button, 22-three-axis acceleration sensor, 23-amplifier, 24-comparator, 25-reference voltage source.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1 to 3. In the embodiment of the utility model, an auxiliary device for preventing falls for the elderly, the main body of the device includes a ring-shaped baffle 1 with a vertical central axis, and a ring-shaped support is provided at the lower edge of the inner side of the ring-shaped baffle 1 The plate 10, the annular support plate 10 and the annular baffle 1 can be fixed with screws, and the rear ends of the annular baffle 1 and the annular support plate 10 are all provided with an inlet and outlet 5, and the entrance and exit 5 are used to realize the entry of personnel.

The bottom surface of the annular support plate 10 adopts bolts and flanges to fix and install a support column 3. The support column 3 is vertically arranged or bent to the outside. Stablize. The support column 3 is arranged in an equilateral triangle, and the bottom of the support column 3 is equipped with a universal brake wheel 4 . The brake stop of universal brake wheel 4 is controlled by sensor or manual button.

The outer position of the inlet and outlet 5 of the annular baffle 1 is provided with an arc-shaped flap 8, one end of the flap 8 is hingedly connected with the annular baffle 1 through the hinge 7, and the other end of the flap 8 is connected to the ring through the lock 9. The baffle 1 is fixedly connected, wherein the hinge 7 and the lock 9 are respectively arranged on the left and right sides of the entrance and exit 5, and the annular baffle 1 is used to close the entrance and exit 5 to prevent the personnel from leaning backward; at this time, the personnel only need to Open the flap 8 and enter the inner side of the annular baffle 1, then close the flap 8. The inner edge of the annular support plate 10 is covered with an anti-corrosion sheath 11 .

The upper edge of the annular baffle plate 1 is screwed with a handrail plate 2 along the front side. The armrest plate 2 is also provided with a stop button 21 of a manual brake, which is used to prevent the device from sliding when not walking and standing, so as to keep the device stable.

Cooperating with the sliding of the universal brake wheel 4, the walking of the whole device can be realized under the promotion of the walker. The whole device plays the role of supporting the personnel, and automatically brakes to avoid falling when there is topple over and accelerate the promotion. Since the support columns 3 are supported by a triangle, the main body of the device is not prone to tilting and tilting.

The universal brake wheel 4 is mainly composed of a pulley seat 12 and a pulley 13, the pulley seat 12 is hingedly mounted on the bottom of the support column 3 through a universal shaft, the pulley 13 is movably installed on the inner side of the pulley seat 12 through the wheel shaft 15, and the pulley 13 Metal plate 14 is fixed on the side surface of screw, and metal plate 14 is fixedly sleeved on the axle 15; The outer position of described metal plate 14 is provided with electromagnet 16 at intervals, and electromagnet 16 adopts screw to be fixed on the lower end of articulated arm 17, The upper end of the articulated arm 17 is hingedly installed in the articulated seat 19 through the pin shaft 18, and the articulated seat 19 is fixed on the pulley seat 12 by bolts. The pin shaft 18 is also fixedly sleeved with a coil spring, and the free spring The end is fixedly connected with the hinge seat 19, and the coil spring is used to realize the reset rotation of the pin shaft 18, thereby realizing the automatic separation between the electromagnet 16 and the metal disc 14 when the electromagnet is powered off.

The electromagnet 16 is attracted to the metal disc 14, so that the pulley 13 stops rotating and acts as a brake.

A control box 6 is fixed on the outer wall of the annular baffle 1, and the control box 6 is mainly composed of a control module and a power supply module, wherein the power supply module is composed of a battery, wherein the battery provides power for the control circuit, and the battery can be managed by the battery. Cell charging and discharging and protection.

The control module includes a triaxial acceleration sensor 22 for detecting the motion acceleration of the device main body, the output end of the triaxial acceleration sensor 22 is electrically connected to an input end of a comparator 24, and the other input end of the comparator is connected to a reference voltage source 25 The output end of the reference voltage source 25 is used to provide the threshold value of acceleration, and is used to trigger the comparator 24 to flip when the output of the three-axis acceleration sensor exceeds the threshold value, and the start signal of the output electromagnet, and the output end of the comparator 24 is connected to the amplifier 23 The input end and the output end of the amplifier 23 are connected to the electromagnet 16, and after the electromagnet starts, it is attracted to the magnetic material metal disc 14 outside the pulley 13 to realize braking. In this way, the timely braking of the device can be realized, and the whole device can be prevented from being overturned due to the excessive movement of the whole device when the person is dumped, and the whole has the function of preventing the dumping in advance.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. An anti-fall auxiliary device for the elderly, the main body of the device includes an annular baffle with a cylindrical central axis vertically arranged, the inner lower edge of the annular baffle is fixedly provided with an annular support plate, the annular baffle and the annular support The rear ends of the plates are provided with inlets and outlets, and the bottom surface of the annular support plate is fixedly equipped with three support columns arranged in an equilateral triangle, and universal brake wheels are installed on the bottom of the support columns; the inlet and outlet positions of the annular baffle are set There is a flap, one end of the flap is hinged to the ring baffle through a hinge, the other end of the flap is fixedly connected to the ring baffle through a lock, and the hinge and the lock are respectively arranged on the left and right sides of the entrance and exit; The universal brake wheel is mainly composed of a pulley seat and a pulley, the pulley seat is hingedly installed on the bottom of the support column through a universal shaft, and the pulley is installed on the inner side of the pulley seat through the movement of the wheel shaft. A metal plate of magnetic material is fixed on one side of the pulley, and the center of the metal plate is fixedly sleeved on the wheel shaft arranged horizontally; electromagnets are arranged at intervals on the outer side of the metal plate, and the electromagnet is fixed on the lower end of the hinged arm. The upper end is hingedly mounted on the hinge seat through a pin shaft, and the hinge seat is fixed on the pulley seat; a coil spring is also fixedly sleeved on the pin shaft, and the free end of the coil spring is fixedly connected with the hinge seat; the ring baffle There is also a control box on the outer wall; The control box is provided with a control module and a power supply module, wherein the control module is provided with a triaxial acceleration sensor for detecting acceleration, the output terminal of the triaxial acceleration sensor is connected to the output terminal of the reference voltage source and the input terminal of the comparator, The output end of the comparator is electrically connected to the electromagnet through the amplifier. 2. The fall prevention auxiliary device for the elderly according to claim 1, wherein the power supply module is provided with a storage battery and a power management unit. 3. The fall prevention auxiliary device for the elderly according to claim 1, characterized in that, the support column is bent outward. 4. The anti-fall auxiliary device for the elderly according to claim 1, characterized in that, the upper edge of the annular baffle is fixedly provided with handrails at the front or both sides. 5. The fall prevention auxiliary device for the elderly according to claim 4, wherein a stop button is provided on the armrest, and the stop button connects the output end of the power supply module to the electromagnet through a wire. 6. The fall prevention auxiliary device for the elderly according to claim 1, characterized in that, the inner edge of the annular support plate is covered with an anti-collapse sheath.