CN215607130U - Emergency falling processing device - Google Patents

Emergency falling processing device Download PDF

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Publication number
CN215607130U
CN215607130U CN202121546979.4U CN202121546979U CN215607130U CN 215607130 U CN215607130 U CN 215607130U CN 202121546979 U CN202121546979 U CN 202121546979U CN 215607130 U CN215607130 U CN 215607130U
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bevel gear
driving
vehicle
transmission mechanism
chair
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CN202121546979.4U
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徐世通
冯剑
孙麟
杨建东
黄丹池
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University of Shanghai for Science and Technology
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University of Shanghai for Science and Technology
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Abstract

The utility model relates to an emergency falling processing device, and belongs to the technical field of machinery. The device comprises a bevel gear transmission mechanism, a chain wheel transmission mechanism, a linear reciprocating mechanism, a movable chair, a first driving mechanism and a bevel pair. The first driving mechanism drives the bevel gear transmission mechanism to rotate, so as to drive the chain wheel transmission mechanism and the linear reciprocating mechanism to enable the movable chair to finish linear displacement in the Z-axis direction. Meanwhile, the bevel pair is matched with the front caster and the rear caster of the sliding chair, so that the seat of the movable chair is kept horizontal in the process of linear displacement in the Z-axis direction. In addition, because be provided with screw mechanism and second actuating mechanism, second actuating mechanism drive screw mechanism removes, and screw mechanism and plantago body threaded connection, so, make the plantago body can separate with the car back body, thereby realize the linear displacement of activity chair in the X axle direction.

Description

Emergency falling processing device
Technical Field
The utility model relates to the field of machinery, in particular to an emergency falling processing device.
Background
The aging problem of the population has gradually become a social problem in china or even globally. It is expected that by 2040 years old 65 and older the population will be over 20% of the total population. Meanwhile, the aging trend of the elderly population is increasingly obvious. Particularly in families of urban and rural old people, the number of empty nests exceeds 50%, and the number of the empty nests in large and medium cities is up to 70%. The bed of the nursing institution accounts for 1.59% of the aged population in the whole country, so about 90% of the aged need home care.
However, about 30-40% of elderly people fall one or more times per year, and the likelihood of falls increases with age. Approximately 1/3 elderly people over 65 years old fall one or more times per year, while the incidence of falls in elderly people over 80 years old is as high as 50% per year. Falls by elderly people often cause physical trauma and psychological shadowing and are important factors that threaten the life and health of the elderly. The direct medical cost of the old in China exceeds 50 billion yuan RMB. The elderly may be able to accommodate a slow-paced single exercise, but if they are simultaneously or acutely engaged in two separate exercises, the sense of balance may be lost due to poor coordination resulting from distraction. The decline of skeletal muscle system function in the elderly, resulting in reduced muscle and joint movement, combined with osteoporosis, can easily lead to falls.
SUMMERY OF THE UTILITY MODEL
The present invention has been made to solve the above problems, and an object of the present invention is to provide an emergency fall processing device.
The present invention provides an emergency fall handling device for assisting a user in sitting up after a fall, having the features comprising: the bevel gear transmission mechanism is arranged on the front body of the vehicle and is provided with a transmission shaft, the sprocket transmission mechanism is connected with the bevel gear transmission mechanism through the transmission shaft, the linear reciprocating mechanisms are arranged on two sides of the front body of the vehicle and are connected with the movable chair in a sliding manner, the first driving mechanism is used for driving the bevel gear transmission mechanism to rotate so as to sequentially drive the sprocket transmission mechanism and the linear reciprocating mechanisms to rotate, so that the movable chair can move up and down in the vertical direction, the screw rod mechanism is arranged below the movable chair, the bevel gear pair is arranged on the rear body of the vehicle and is used for supporting a user and the movable chair, and the second driving mechanism is used for driving the screw rod mechanism to move, thereby driving the front body of the vehicle to horizontally move relative to the rear body of the vehicle.
In the emergency fall processing device provided by the present invention, there is also provided a feature that: wherein, bevel gear drive mechanism includes: a first bevel gear; and a second bevel gear engaged with the first bevel gear.
In the emergency fall processing device provided by the present invention, there is also provided a feature that: wherein, the drive ratio of first bevel gear and second bevel gear is 1: 2.
in the emergency fall processing device provided by the present invention, there is also provided a feature that: wherein, straight reciprocating mechanism includes: a sprocket; the chain wheel welding part is provided with a cylindrical bulge, is welded with the chain wheel and is fixed on the front body of the vehicle through a rotating shaft; and the movable plate is provided with an arc-shaped groove matched with the cylindrical protrusion.
In the emergency fall processing device provided by the present invention, there is also provided a feature that: wherein, the activity chair includes: a movable chair body having a base; a pair of front caster wheels arranged in the middle of the base; and a pair of rear casters, which are arranged at the rear end of the base, and a pair of front ears, which are arranged at the front end of the base, and are used for stabilizing the front end of the movable chair.
In the emergency fall processing device provided by the present invention, there is also provided a feature that: wherein, screw mechanism includes: a slide rail; the lead screw is arranged on the slide rail; and the sliding block is arranged on the lead screw and is used for enabling the front body and the rear body of the bicycle to be in sliding connection under the rotation of the lead screw.
In the emergency fall processing device provided by the present invention, there is also provided a feature that: wherein, the shape of slide rail is triangle-shaped.
In the emergency fall processing device provided by the present invention, there is also provided a feature that: wherein, the bottom of car back is provided with the drive wheel, still is provided with third driving motor on the car back, and third driving motor is used for driving the drive wheel and rotates to make the car back remove, the bottom of car front is provided with the gyro wheel.
In the emergency fall processing device provided by the present invention, there is also provided a feature that: wherein, the gyro wheel is the universal wheel.
Action and effect of the utility model
According to the emergency fall processing device, the emergency fall processing device comprises a bevel gear transmission mechanism, a chain wheel transmission mechanism, a linear reciprocating mechanism, a movable chair, a first driving mechanism and a bevel pair. The first driving mechanism drives the bevel gear transmission mechanism to rotate, so as to drive the chain wheel transmission mechanism and the linear reciprocating mechanism to enable the movable chair to finish linear displacement in the Z-axis direction. Meanwhile, the bevel pair is matched with the front caster and the rear caster of the sliding chair, so that the seat of the movable chair is kept horizontal in the process of linear displacement in the Z-axis direction. In addition, because be provided with screw mechanism and second actuating mechanism, second actuating mechanism drive screw mechanism removes, and screw mechanism and plantago body threaded connection, so, make the plantago body can separate with the car back body, thereby realize the linear displacement of activity chair in the X axle direction. Therefore, the emergency falling processing device provided by the utility model can not cause secondary damage to the old, reduces the psychological bearing pressure of the old, and timely assists the old who falls to sit up.
Drawings
Fig. 1 is a schematic view of the overall structure of an emergency fall handling apparatus in an embodiment of the utility model;
fig. 2 is a schematic structural view of the emergency fall processing device according to an embodiment of the utility model, in which the front body of the vehicle is drawn away from the rear body of the vehicle;
fig. 3 is another schematic structural view of the emergency fall processing device according to the embodiment of the utility model, in which the front body of the vehicle is drawn away from the rear body of the vehicle;
fig. 4 is a top view of an emergency fall handling device in an embodiment of the utility model;
FIG. 5 is a schematic view of the construction of a linear reciprocating mechanism in an embodiment of the present invention;
FIG. 6 is a schematic view of the structure of a chair according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of a screw mechanism in an embodiment of the present invention; and
FIG. 8 is a schematic structural diagram of a bevel pair in an embodiment of the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the utility model easy to understand, the emergency fall processing device of the utility model is specifically described below with reference to the embodiments and the accompanying drawings.
< example >
Fig. 1 is a schematic view of the overall structure of an emergency fall handling apparatus in an embodiment of the utility model; fig. 2 is a schematic structural view of the emergency fall processing device according to an embodiment of the utility model, in which the front body of the vehicle is drawn away from the rear body of the vehicle; fig. 3 is another schematic structural view of the emergency fall processing device according to the embodiment of the utility model, in which the front body of the vehicle is drawn away from the rear body of the vehicle.
As shown in fig. 1, 2 and 3, the emergency fall processing device 100 according to the present embodiment includes a vehicle front body 1, a vehicle rear body 2, a bevel gear transmission mechanism 3, a sprocket transmission mechanism 4, a linear reciprocating mechanism 5, a movable chair 6, a screw mechanism 7, a bevel gear pair 8, a first driving mechanism 9, a second driving mechanism 10 and a control system.
The vehicle front body 1 includes a vehicle front body 11 and two rollers 12.
The vehicle front body 11 is constituted by a first rectangular frame, a second rectangular frame, and a third rectangular frame. The first rectangular frame and the second rectangular frame are parallel to each other and are respectively perpendicular to the third rectangular frame. The first rectangular frame and the second rectangular frame are both provided with a cross beam 111.
Two gyro wheels 12 are the universal wheel, install respectively at the front end of the bottom of plantago body main part 11, make things convenient for emergent processing apparatus 100 that tumbles to remove.
The vehicle rear body 2 is constituted by a fourth rectangular frame, a fifth rectangular frame, a sixth rectangular frame, and a floor panel. The fourth rectangular frame and the fifth rectangular frame are parallel to each other and are parallel to the first rectangular frame and the second rectangular frame. The bottom plate is provided with a driving wheel 21 and a third driving motor. The third driving motor is used for driving the driving wheel to rotate, so that the rear body 2 of the vehicle moves.
Fig. 4 is a top view of an emergency fall processing apparatus in an embodiment of the utility model.
As shown in fig. 4, the bevel gear transmission 3 includes a first bevel gear 31 and a second bevel gear 32.
The first bevel gear 31 is conical, and the shaft of the first bevel gear 31 is connected to the output shaft of the first drive mechanism 9. The first driving mechanism 9 drives the shaft of the first bevel gear 31 to rotate, thereby rotating the first bevel gear 31.
The second bevel gear 32 is in a conical shape, the second bevel gear 32 is engaged with the first bevel gear 31, and the first bevel gear 31 drives the second bevel gear 32 to rotate, so as to drive the transmission shaft 33 connected with the second bevel gear 32 to rotate. In the present embodiment, the module m of the first bevel gear 31 and the second bevel gear 32 is 25, and the number of teeth Z of the first bevel gear 31118, the number of teeth Z of the second bevel gear 322The transmission ratio of the first bevel gear 31 to the second bevel gear 32 is 1: 2.
the sprocket drive mechanism 4 includes a drive sprocket, a chain, and a driven sprocket.
The driving sprocket is arranged on the transmission shaft 33, and the second bevel gear 32 drives the transmission shaft 33 to rotate, so that the driving sprocket is driven to rotate. The chain is installed between drive sprocket and driven sprocket for drive driven sprocket rotates.
Fig. 5 is a schematic structural view of a linear reciprocating mechanism in an embodiment of the present invention.
As shown in fig. 5, the linear reciprocating mechanism 5 is mounted on both sides of the vehicle front body 1 via slide rail blocks, and includes a sprocket 51, a sprocket welding member 52, and a movable plate 53.
The sprocket 51 is a circular gear.
The sprocket weldment 52 is bar-shaped having a cylindrical projection 54 and a mounting hole 56. The sprocket 51 and the sprocket weldment 52 are welded together to constitute an eccentric sprocket. A rotating shaft (not shown) is installed in the mounting hole 56 so that the sprocket 51 and the sprocket weldment 52 are fixed to both sides of the front body 1.
The movable plate 53 is plate-shaped and slidably connected to the movable chair 6, and has an arc-shaped groove 55 adapted to the cylindrical protrusion 54 for cooperating with the cylindrical protrusion 54, so that the cylindrical protrusion 54 slides in the arc-shaped groove 55. The central angle of the arc-shaped groove 55 is 120 °, the eccentric sprocket rotates 120 °, the entire movable plate 53 is driven to perform vertical linear motion, and the linear distance that the eccentric sprocket rotates one full circle to drive the movable plate 53 to move is the diameter of the eccentric sprocket.
Fig. 6 is a schematic structural view of a movable chair according to an embodiment of the present invention.
As shown in fig. 6, the movable chair 6 includes a movable chair main body 61, a pair of front ears, a pair of front caster wheels 62, and a pair of rear caster wheels 63.
The movable chair body 61 includes a base 611, a backrest 612, and armrests.
The left and right sides of the front end of the bottom of the base 611 are respectively provided with a front ear, and the front ears are used for stabilizing the front end of the movable chair 6. A pair of front casters 62 are provided at the front of the base 611, and a pair of rear casters 63 are provided at both ends of the rear of the base 611. The front caster 62 and the rear caster 63 are adapted to cooperate with the ramp set 8 and support the entire chair 6 from a linear displacement in the X-axis to a linear displacement in the Z-axis.
The first driving mechanism 9 is a driving motor and is used for driving the bevel gear transmission mechanism 3 to rotate, so as to drive the chain wheel transmission mechanism 4 and the linear reciprocating mechanism 5 to rotate in sequence, and the movable chair 6 moves up and down in the vertical direction.
Fig. 7 is a schematic structural view of a screw mechanism in an embodiment of the present invention.
As shown in fig. 7, the screw mechanism 7 includes a slide rail 71, a screw 72, a slider 73, an end cap 74, and a coupling 75.
The slide rails 71 are triangular in shape, and have screw holes at the bottom thereof for fixing the lead screws 72 to the vehicle front body 11. The lead screw 72 is arranged on the slide rail 71, and the lead screw 72 operates to drive the vehicle front body 1 to be drawn away from the vehicle rear body 2. The slider 73 is arranged on the screw rod 72, and a threaded hole is formed in the slider 73 and used for driving other components to perform linear motion. The screw pitch of the screw 72 is 3mm, and the horizontal displacement of one rotation of the screw 72 is 3 mm. The end cap 74 is used for limiting, and the coupling 75 is used for connecting with the output shaft of the second driving mechanism 10.
FIG. 8 is a schematic structural diagram of a bevel pair in an embodiment of the present invention.
As shown in fig. 8, the bevel pair 8 is used for supporting the movable chair 6 and includes a flat surface portion 81 and a bevel surface portion 82.
The flat portion 81 supports the entire movable chair 6 and the old in a normal state, and the inclined portion 82 is adapted to cooperate with the lead screw 72 and convert the linear displacement of the X axis into the linear displacement of the Z axis. The slope portion 82 is connected to the bottom of the movable chair 6 by a pillar (not shown) and receives a supporting force. The rear end of the planar portion 81 is mounted on the rear body 2 of the vehicle by a rib plate for ensuring the stability of the entire apparatus. The slope portion 82 has an opening for preventing the movable seat 6 from interfering with the slope pair 8 when the movable seat 6 is linearly displaced in the Z-axis direction when the vehicle front body 1 is pulled away from the vehicle rear body 2.
The second driving mechanism 10 is a driving motor, and is installed at the bottom of the rear body 2 for driving the screw 72 to rotate, so as to drive the slider 73 to move, so that the front body 1 generates X-axis linear displacement relative to the rear body 2.
The control system (not shown in the figure) is arranged on the vehicle rear body 2 and is used for controlling the operation of the vehicle front body 1, the vehicle rear body 2, the bevel gear transmission mechanism 3, the chain wheel transmission mechanism 4, the linear reciprocating mechanism 5, the movable chair 6, the first driving mechanism 9, the screw rod mechanism 7, the bevel gear pair 8 and the second driving mechanism 10. In an embodiment, the control system is a prior art raspberry pi control chip.
The emergency fall processing apparatus 100 provided in this embodiment operates as follows:
when the elderly living alone falls down, the control system controls the screw 72 to pull the front body 1 away from the rear body 2, thereby completing the linear displacement in the X-axis direction. The movement of the lead screw 72 causes the front caster 62 of the activity chair 6 to move along the ramp portion 82 of the ramp set 8 and complete a partial Z-axis linear displacement. When the front body 1 of the vehicle is completely pulled away from the rear body 2 of the vehicle, the control system controls the first driving mechanism 9 to drive the bevel gear transmission mechanism 3 to rotate, so as to drive the chain wheel transmission mechanism 4 and the linear reciprocating mechanism 5 to enable the movable chair 6 to perform linear displacement in the Z-axis direction, and finally the movable chair 6 descends to be close to the ground. The old people who fall down slowly move the body position, move the body gravity center to the movable chair 6, and hold the handrail well. The control system controls the screw 72 to rotate, moves the front body 1 back to the inside of the rear body 2 (as shown in fig. 1), and controls the movable chair 6 to move to the plane part 81 of the bevel pair 8, thereby completing the sitting up assistance for the elder.
Effects and effects of the embodiments
According to the emergency fall processing device of the present embodiment, the emergency fall processing device includes a bevel gear transmission mechanism, a sprocket transmission mechanism, a linear reciprocating mechanism, a movable chair, a first driving mechanism, and a bevel pair. The first driving mechanism drives the bevel gear transmission mechanism to rotate, so as to drive the chain wheel transmission mechanism and the linear reciprocating mechanism to enable the movable chair to finish linear displacement in the Z-axis direction. Meanwhile, the bevel pair is matched with the front caster and the rear caster of the sliding chair, so that the seat of the movable chair is kept horizontal in the process of linear displacement in the Z-axis direction. In addition, because be provided with screw mechanism and second actuating mechanism, second actuating mechanism drive screw mechanism removes, and screw mechanism and plantago body threaded connection, so, make the plantago body can separate with the car back body, thereby realize the linear displacement of activity chair in the X axle direction. Therefore, the emergent processing apparatus that tumbles that this embodiment provided can not cause the secondary injury to the old man, has reduced old man's psychological bearing pressure, in time helps sitting up to the old man after tumbleing.
Further, since the slope pair is provided, the slope pair includes the flat surface portion and the slope surface portion, and the slope surface portion has the opening. The opening is used for preventing the movable chair from interfering the bevel pair, so that the linear displacement of the movable chair in the Z-axis direction and the linear displacement in the X-axis direction can be realized.
Furthermore, because the linear displacement of the movable chair in the Z-axis direction can be realized through the bevel gear transmission mechanism, the chain wheel transmission mechanism and the linear reciprocating mechanism, the transmission mode has the advantages of simple operation, convenient realization and high safety factor.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
In the embodiment of the utility model, the old people and children can be lifted up due to incapability of children when the old people and the children are at home at the same time, but the children can control the emergency falling processing device through the remote control device, so that the old people can be assisted to sit up.

Claims (9)

1. An emergency fall processing apparatus for assisting a user in sitting up after a fall, comprising:
a front body, a rear body, a bevel gear transmission mechanism, a chain wheel transmission mechanism, a linear reciprocating mechanism, a movable chair, a first driving mechanism, a screw rod mechanism, a bevel gear pair and a second driving mechanism,
wherein the front body is connected with the rear body in a sliding way,
the bevel gear transmission mechanism is arranged on the front body of the vehicle and is provided with a transmission shaft,
the chain wheel transmission mechanism is connected with the bevel gear transmission mechanism through the transmission shaft,
the linear reciprocating mechanisms are arranged on two sides of the front body of the vehicle and are connected with the movable chair in a sliding way,
the first driving mechanism is used for driving the bevel gear transmission mechanism to rotate so as to drive the chain wheel transmission mechanism and the linear reciprocating mechanism to rotate in sequence, so that the movable chair moves up and down in the vertical direction,
the screw rod mechanism is arranged below the movable chair,
the bevel pair is arranged on the back body of the vehicle and is used for supporting the user and the movable chair,
the second driving mechanism is used for driving the screw rod mechanism to move, so that the front body of the vehicle is driven to horizontally move relative to the rear body of the vehicle.
2. An emergency fall processing apparatus according to claim 1, wherein:
wherein, the bevel gear drive mechanism includes:
a first bevel gear; and
and the second bevel gear is meshed with the first bevel gear.
3. An emergency fall processing apparatus according to claim 2, wherein:
wherein, the drive ratio of first bevel gear and second bevel gear is 1: 2.
4. an emergency fall processing apparatus according to claim 1, wherein:
wherein, the straight reciprocating mechanism includes:
a sprocket;
the chain wheel welding part is provided with a cylindrical bulge, is welded with the chain wheel and is fixed on the front body of the bicycle through a rotating shaft; and
the movable plate is provided with an arc-shaped groove matched with the cylindrical protrusion.
5. An emergency fall processing apparatus according to claim 1, wherein:
wherein the activity chair comprises:
a movable chair body having a base;
the pair of front caster wheels are arranged in the middle of the base;
a pair of rear casters disposed at the rear end of the base; and
a pair of front ears arranged at the front end of the base and used for stabilizing the front end of the movable chair.
6. An emergency fall processing apparatus according to claim 1, wherein:
wherein, screw mechanism includes:
a slide rail;
the lead screw is arranged on the slide rail;
and the sliding block is arranged on the lead screw and is used for enabling the front body and the rear body to be in sliding connection under the rotation of the lead screw.
7. An emergency fall processing apparatus according to claim 6, wherein:
the slide rail is in an upper triangular shape.
8. An emergency fall processing apparatus according to claim 1, wherein:
wherein the bottom of the rear body of the vehicle is provided with a driving wheel,
the rear body is also provided with a third driving motor which is used for driving the driving wheel to rotate so as to move the rear body,
and the bottom of the front body of the vehicle is provided with rollers.
9. An emergency fall processing apparatus according to claim 8, wherein:
wherein, the gyro wheel is the universal wheel.
CN202121546979.4U 2021-07-08 2021-07-08 Emergency falling processing device Active CN215607130U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121546979.4U CN215607130U (en) 2021-07-08 2021-07-08 Emergency falling processing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121546979.4U CN215607130U (en) 2021-07-08 2021-07-08 Emergency falling processing device

Publications (1)

Publication Number Publication Date
CN215607130U true CN215607130U (en) 2022-01-25

Family

ID=79948619

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121546979.4U Active CN215607130U (en) 2021-07-08 2021-07-08 Emergency falling processing device

Country Status (1)

Country Link
CN (1) CN215607130U (en)

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