CN111202661B - Multifunctional medical auxiliary walking anti-falling device - Google Patents
Multifunctional medical auxiliary walking anti-falling device Download PDFInfo
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- CN111202661B CN111202661B CN202010048088.XA CN202010048088A CN111202661B CN 111202661 B CN111202661 B CN 111202661B CN 202010048088 A CN202010048088 A CN 202010048088A CN 111202661 B CN111202661 B CN 111202661B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/04—Wheeled walking aids for disabled persons
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1002—Parts, details or accessories with toilet facilities
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1043—Cushions specially adapted for wheelchairs
- A61G5/1048—Cushions specially adapted for wheelchairs for the back-rest
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1094—Tables, working plates or trays
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/04—Wheeled walking aids for disabled persons
- A61H2003/046—Wheeled walking aids for disabled persons with braking means
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Abstract
The invention discloses a multifunctional medical auxiliary walking anti-falling device, which comprises a left bracket and a right bracket which are oppositely arranged and have the same structure; the left support comprises a cross bar I, II and an arc-shaped bar used for connecting a cross bar I, II, which are parallel to each other, the cross bar II is connected with two support bars extending in the direction away from the arc-shaped bar, and the support bars are connected with a lifting support with a caster wheel arranged at the free end; a left guide rail groove and a right guide rail groove which have the same structure are respectively arranged in the left support and the right support, the left support and the right support are mainly formed by connecting an arc wire groove I positioned in an arc-shaped rod, a linear groove I positioned in a cross rod II and a linear groove II positioned in a support rod far away from the arc-shaped rod, a seat plate is arranged between the cross rods II of the left support and the right support, and pulleys which are matched with the left guide rail groove or the right guide rail groove and slide in the seat plate are arranged on two sides of the seat plate; the free ends of cross bar I, II are connected by a back rest bracket in which a back rest board is located. The invention has the advantages of reasonable design, exquisite structure, good anti-falling performance, good use convenience and various change forms.
Description
Technical Field
The invention belongs to the technical field of medical machinery, relates to a multifunctional medical auxiliary walking anti-falling device, and particularly relates to a multifunctional medical auxiliary walking device which is provided with an anti-falling inertial self-locking device and can be used for sitting.
Background
At present, young people mostly work outside, and old people stay at home, the danger coefficient that many old people with inconvenient legs and feet fall down under the condition that no other people take care of will improve a lot, and floor tiles are mostly laid on present ground, and ground is very smooth, therefore causes the probability of tumble injury to uprise, and secondly the old people crouch and stand up when going to the toilet hardly. On the other hand, people with leg diseases need to walk and move for treatment, and the price of the existing full-automatic leg auxiliary treatment equipment cannot be accepted at all by ordinary families.
Therefore, the development of the multifunctional auxiliary equipment which is reliable in movement, anti-skid and anti-falling and can be used as a chair at any time to facilitate a user to have a rest is of great practical significance.
Disclosure of Invention
The multifunctional auxiliary equipment aims to overcome the defects of incomplete functions, poor safety and high price in the prior art, is reliable to move, is anti-skid and anti-falling, and can be used as a chair at any time to facilitate a user to rest.
In order to achieve the purpose, the invention provides the following technical scheme:
a multifunctional medical auxiliary walking anti-falling device comprises a left bracket and a right bracket;
the left support and the right support are identical in structure and are arranged oppositely, and each left support and the right support comprise two cross rods I and two cross rods II which are parallel to each other and arc-shaped rods which are positioned on one sides of the cross rods I and the cross rods II and are used for connecting the cross rods I and the cross rods II, wherein the cross rods II are connected with two supporting rods which extend along the direction away from the arc-shaped rods, the supporting rods are connected with a lifting support, and the free end of the lifting support is provided with a caster wheel, wherein the two caster wheels close to the side of the arc-shaped rods are universal wheels, and the two caster wheels far away from the side of the arc-shaped rods are directional wheels provided with inertial self-locking devices;
the inertial self-locking device comprises a rotating disc, a fixed disc I and a fixed disc II, wherein the rotating disc coaxially rotates with the directional wheel, the fixed disc I and the fixed disc II are positioned on two sides of the rotating disc, a plurality of curved grooves are radially arranged on the rotating disc, spring cylindrical pins are arranged in the curved grooves, the spring tail ends of the spring cylindrical pins are connected with the curved grooves close to the center of the rotating disc, the fixed disc I and the fixed disc II are combined to form a chamber capable of containing the rotating disc, the chamber is provided with a plurality of convex fixed cavities corresponding to the plurality of spring cylindrical pins on the rotating disc, the spring cylindrical pins rotate along the chamber when the directional wheel normally rotates, the spring cylindrical pins rotate along the outer ring of the annular groove under the action of centrifugal force when the directional wheel suddenly accelerates, the spring cylindrical pins enter the convex fixed cavities, the rotating disc is clamped, the wheel stops rotating and plays a role in preventing falling, and the spring cylindrical pins return to the initial position under the action of thrust and spring tension of the rotating disc, the directional wheel can continue to rotate forwards;
a left guide rail groove and a right guide rail groove which have the same structure and are matched with each other are respectively arranged in the left bracket and the right bracket, which is mainly formed by connecting an arc line groove I positioned in an arc rod, a linear groove I positioned in a cross rod II and a linear groove II positioned in a support rod far away from the arc rod, a seat board which is convenient for a user to sit and rest is arranged between the cross bars II of the left bracket and the right bracket, pulleys which are matched with the left guide rail groove or the right guide rail groove and slide in the left guide rail groove or the right guide rail groove are arranged on the two sides of the seat plate and are matched with the pulleys on the two sides of the seat plate through the left guide rail groove and the right guide rail groove, the position of the seat board can be flexibly changed, namely the seat board is changed from horizontal arrangement into an arrangement form parallel to the support rod far away from the arc-shaped rod, the flexible and changeable use mode of the device is given through the ingenious structural design, the user can sit down to have a rest conveniently, and the user can walk by using the device without being influenced;
the free ends of the cross rod I and the cross rod II are connected through a v-21274h-shaped backrest support, and a backrest plate is arranged in the backrest support.
The multifunctional medical auxiliary walking anti-falling device is reasonable in design, the inertia self-locking device with an exquisite structure endows the multifunctional medical auxiliary walking anti-falling device with good anti-falling performance, the use convenience is good, the locking state can be conveniently released, meanwhile, the design of the left guide rail groove and the right guide rail groove in the left support and the right support endows the seat plate with various changing forms, a user can conveniently sit and rest, the user can not be influenced to walk by using the device, and the multifunctional medical auxiliary walking anti-falling device has an application prospect.
As a preferred technical scheme:
the multifunctional medical auxiliary walking anti-falling device comprises a seat board, a base board and a folding board, wherein the seat board comprises an upper board, a lower board and the folding board;
the middle part of the lower plate is provided with a stool hole, and two sides of the lower plate are provided with pulleys;
the upper plate is provided with an opening-closing plate corresponding to the position of the excrement hole of the lower plate.
The specific dimensions of the seat plate of the present invention are as follows: the seat plate has a length of 500mm, a width of 400mm, a lower plate thickness of 10mm, an upper plate thickness of 10mm, a plywood length of 325mm and a width of 230 mm. The scope of protection of the present invention is not limited thereto, and only one possible solution is given here, and the size of the solution can be set by a person skilled in the art according to the actual needs.
According to the multifunctional medical auxiliary walking anti-falling device, the anti-skidding handrails are sleeved on the cross rod I, friction is increased, and the multifunctional medical auxiliary walking anti-falling device is convenient for a user to use.
According to the multifunctional medical auxiliary walking anti-falling device, the arc-shaped rods of the left support and the right support are connected with the adjustable flat plate support;
the adjustable flat plate support comprises a flat plate, a long shaft, a sliding pin, a rocker bolt and an elbow-shaped support, and when the multifunctional medical auxiliary walking anti-falling device is used as a chair, the adjustable flat plate support can be used as a dining table or a desk, so that the use of a user is facilitated to a certain extent;
the fixing device is characterized in that a sleeve for accommodating the long shaft is arranged at one end of the flat plate, the long shaft is arranged in the sleeve, sliding pins matched with end face structures of the long shaft are installed at two ends of the long shaft, elbow supports are respectively arranged on the outer sides of the two sliding pins, the sleeve, the long shaft, the sliding pins and the elbow supports can be fixed through rocker bolts, and the other end of each elbow support is fixedly connected with an arc-shaped rod of the left support or the right support.
The specific dimensions of the adjustable plate holder are as follows: the length of the flat plate is 400mm, the width is 265mm, and the thickness is 10 mm; the total length of the long shaft is 492mm,
the two ends of the support are of polygonal structures with the length of 35 mm; the length of the sliding pin is 14mm, and the outer side is an inscribed circle
The inner surface of the regular 12-sided polygon is matched with the polygonal structure of the long shaft; the elbow-shaped support is fixed on the left support and the right support through two pull-plug type pull ring pins respectively, and the rocker bolt and the elbow-shaped support ensure the circumferential and axial fixation of the long shaft. The scope of protection of the present invention is not limited thereto, and only one possible solution is given here, and the size of the solution can be set by a person skilled in the art according to the actual needs.
The flat plate can be detached by rotating the rocker bolt, the pull ring pin for fixing the elbow-shaped support can be placed in the pin holes on the two sides of the flat plate, the elbow-shaped support can be detached after the bolt is pulled open, and a user can stand between the left support and the right support and hold the anti-skid handrail to move forwards.
According to the multifunctional medical auxiliary walking anti-falling device, the other end of the elbow-shaped support is fixedly connected with the arc-shaped rod of the left support or the right support through the pull-plug type pull ring pin.
According to the multifunctional medical auxiliary walking anti-falling device, an intermediate shaft for fixing the rotating disc and the directional wheel is arranged in the inertial self-locking device, and the intermediate shaft and the rotating disc are fixedly connected through the expansion ring;
and the contact surfaces of the fixed disc I and the fixed disc II are coated with sealant.
The specific dimensions of the inertial self-locking device are as follows: the outer diameter of the rotating disc is 48mm, the inner diameter of the rotating disc is 8mm, the thickness of the rotating disc is 3mm, the width of the curved groove opening is 5.5mm, the diameter of the spring cylindrical pin is 5mm, and the tail end of the spring is fixedly connected with the bottom end of the curved groove; the fixed disk I and the fixed disk II are used in pairs, the rotating disk is arranged in a cavity between the two fixed disks, and the inner diameter of an annular groove (namely a chamber) enclosed by the fixed disk I and the fixed disk II
Outer diameter of annular groove
And (5) sealing glue is applied to the contact surfaces of the two fixed disks. The scope of protection of the present invention is not limited thereto, and only one possible solution is given here, and the size of the solution can be set by a person skilled in the art according to the actual needs.
The multifunctional medical auxiliary walking anti-falling device is characterized in that the universal wheel is provided with a brake mechanism;
the universal wheel and the directional wheel are fixedly connected with the lifting bracket through a wheel carrier;
the inner side of the wheel frame of the directional wheel is provided with (4)
) The outer side of the wheel carrier fixes the wheel by using a stop ring and a nut;
the outer rings of the universal wheel and the directional wheel are covered with anti-slip rubber layers.
According to the multifunctional medical auxiliary walking anti-falling device, the bottom of the lifting support is provided with a threaded hole II in threaded connection with the universal wheel or the directional wheel;
the lifting support is provided with a plurality of (four) pairs of L-shaped grooves and 2L-shaped grooves which are respectively matched with the positioning columns and the holes on the supporting rods
The lifting support can adjust the overall height of the device by changing the hanging height on the left support and the right support.
As mentioned above, the straight line groove I of the right bracket is provided with a blocking pulley at the position close to the arc rod
The locking pin hole is used for preventing the pulley from moving forwards and falling into the linear groove II when a user sits on the seat plate.
The distance between the left bracket and the right bracket is 500mm, the width of the left bracket and the right bracket is 25mm, the thickness of the left bracket and the right bracket is 16mm, the depth of the left guide rail groove and the right guide rail groove is 10mm, and the width of the left guide rail groove and the right guide rail groove is 13 mm; the depth of the inner groove of the guide rail matched with the guide rail is 7mm, the width of the inner groove is 10mm, and the section of the inner groove is symmetrical L-shaped; each leg of the left and right brackets has 2 pairs
Location column and 2
And the threaded hole is used for connecting the lifting bracket.
According to the multifunctional medical auxiliary walking anti-falling device, the backrest plate is made of the synthetic wood plate and is in threaded connection with the backrest support, strong glue needs to be injected into the holes, and the backrest support is matched with the cross rods I and II of the left support and the right support through square holes and is fastened through bolts.
The specific dimensions of the back board are as follows: the total length is 475mm, the total width is 250mm, and the thickness is 15 mm. The scope of protection of the present invention is not limited thereto, and only one possible solution is given here, and the size of the solution can be set by a person skilled in the art according to the actual needs.
Has the advantages that:
the multifunctional medical auxiliary walking anti-falling device is reasonable in design, the inertia self-locking device with an exquisite structure endows the multifunctional medical auxiliary walking anti-falling device with good anti-falling performance, the use convenience is good, the locking state can be conveniently released, meanwhile, the design of the left guide rail groove and the right guide rail groove in the left support and the right support endows the seat plate with various changing forms, a user can conveniently sit and rest, the user can not be influenced to walk by using the device, and the multifunctional medical auxiliary walking anti-falling device has an application prospect.
Drawings
FIG. 1 is a schematic view of the general assembly structure of the multifunctional medical auxiliary walking anti-falling device of the present invention;
FIG. 2 is a schematic structural view of a right bracket;
FIG. 3 is a schematic structural view of a right guide rail groove;
FIG. 4 is a schematic view of the seat plate;
FIG. 5 is an enlarged schematic view of position b of FIG. 4;
FIG. 6 is a schematic view of the structure of the wheel frame of the right directional wheel;
FIG. 7 is a schematic structural view of the inertial self-locking device;
FIG. 8 is a schematic view of the structure of the adjustable plate holder;
FIG. 9 is a schematic view of the lifting bracket;
FIG. 10 is a schematic diagram of the moving state of the apparatus;
FIG. 11 is a schematic structural view of an intermediate shaft;
FIG. 12 is a schematic view of the latch;
the device comprises a right support 1, a left support 2, an anti-skid handrail 3, a backrest support 4, a backrest plate 5, a seat plate 6, a lifting support 7, an inertial self-locking device 8, a directional wheel 9, a universal wheel 10, an adjusting flat plate support 11, a right guide rail groove 12, an upper plate 13, a lower plate 14, an opening plate 15, a pulley 16, a wheel carrier 17, an expansion ring 18, a rotating disc 19, a spring cylindrical pin 20, a fixed disc I21, a fixed disc II, a fixed disc I22, a flat plate 23, a long shaft 24, a sliding pin 24, a rocker bolt 25, a elbow support 26, an intermediate shaft 27, a bolt 28, a straight line groove I29, a straight line groove II 30 and an arc line groove I31.
Detailed Description
The following further describes the embodiments of the present invention with reference to the attached drawings.
A multifunctional medical auxiliary walking anti-falling device is shown in figure 1 and comprises a left bracket 2 and a right bracket 1;
the left support 2 and the right support 1 shown in figure 2 are the same in structure and are arranged oppositely, and comprises two cross rods I and II which are parallel to each other, and arc-shaped rods which are positioned on one sides of the cross rods I and II and are used for connecting the cross rods I and II, wherein the cross rods I are sleeved with anti-skidding handrails 3, the cross rods II are connected with two support rods which extend along the direction away from the arc-shaped rods, the support rods are connected with a lifting support 7, the lifting support 7 is provided with a plurality of pairs of L-shaped grooves and threaded holes III which are respectively matched with positioning columns and holes on the support rods, the bottom of the lifting support 7 is provided with threaded holes II which are in threaded connection with universal wheels or directional wheels and are connected with caster wheels through the threaded holes II, wherein the two caster wheels close to the arc-shaped rod side are universal wheels 10 with brake mechanisms, the two caster wheels far away from the arc-shaped rod side are directional wheels 9 provided with inertial self-locking devices 8, and the universal wheels and the directional wheels are fixedly connected with the lifting support through wheel carriers, the wheel frame 17 of the directional wheel is shown in fig. 6, the inner side of the wheel frame is provided with a threaded hole I for fixing the inertia self-locking device 8, the outer side of the wheel frame is used for fixing the wheel by a stop ring and a nut, and the outer rings of the universal wheel and the directional wheel are covered with an anti-skid rubber layer;
the inertial self-locking device is shown in fig. 7, and comprises a rotating disc 19 coaxially rotating with the directional wheel 9 (the two are fixed through an intermediate shaft 27 shown in fig. 11, the intermediate shaft 27 and the rotating disc 19 are fixedly connected through an expansion ring 18), and a fixed disc I and a fixed disc II 21 (the contact surfaces of the fixed disc I and the fixed disc II 21 are coated with sealant) positioned at two sides of the rotating disc, wherein a plurality of curved grooves are radially arranged on the rotating disc 19, spring cylindrical pins 20 are arranged in the curved grooves, the spring tail ends of the spring cylindrical pins 20 are connected with the curved grooves close to the center of the rotating disc 19, the fixed disc I and the fixed disc II 21 are combined to form a chamber capable of accommodating the rotating disc 19, and a plurality of convex fixing cavities are arranged in the chamber corresponding to the plurality of spring cylindrical pins 20 on the rotating disc 19;
the left support 2 and the right support 1 are respectively provided with a left guide rail groove and a right guide rail groove 12 which have the same structure and are matched with each other, the left guide rail groove and the right guide rail groove 12 are shown in figure 3 and are mainly formed by connecting an arc line groove I31 in an arc rod, a straight line groove I29 in a cross rod II and a straight line groove II 30 in a support rod far away from the arc rod, a seat plate 6 which is convenient for a user to sit and rest is arranged between the cross rods II of the left support and the right support, the seat plate 6 is shown in figures 4 and 5 and comprises an upper plate 13, a lower plate 14 and an opening plate 15, the middle part of the lower plate 14 is provided with a toilet hole, two sides of the lower plate 14 are provided with a pulley 16 which is matched with the left guide rail groove or the right guide rail groove and slides in the toilet hole, the opening plate 15 is arranged at the position, corresponding to the toilet hole of the lower plate 14, and a locking pin hole for blocking the pulley 16 is arranged at the position, close to the arc rod, of the straight line groove I of the right support 1;
the arc-shaped rods of the left bracket and the right bracket are connected with an adjustable flat plate bracket 11 shown in figure 8;
the adjustable flat plate bracket 11 comprises a flat plate 22, a long shaft 23, a sliding pin 24, a rocker bolt 25 and an elbow bracket 26;
one end of the flat plate 22 is provided with a sleeve for accommodating the long shaft 23, the long shaft 23 is arranged in the sleeve, two ends of the long shaft 23 are provided with sliding pins 24 matched with end surface structures of the long shaft 23, elbow supports 26 are respectively arranged on the outer sides of the two sliding pins 24, the sleeve, the long shaft 23, the sliding pins 24 and the elbow supports 25 can be fixed through rocker bolts 25, and the other ends of the elbow supports 25 are fixedly connected with arc-shaped rods of the left support 2 or the right support 1 through pull-plug type pull ring pins as shown in fig. 12;
the free ends of the cross rod I and the cross rod II are connected through a v-21274h-shaped backrest support 4, a backrest plate 5 is arranged in the backrest support 4, the backrest plate 5 is connected with the backrest support 4 through threads, and the backrest support 4 is matched with the cross rod I and the cross rod II of the left support and the right support through square holes and fastened through bolts.
The specific dimensions of the above components are as follows:
the specific dimensions of the seat plate are as follows: the seat plate has the length of 500mm, the width of 400mm, the lower plate thickness of 10mm, the upper plate thickness of 10mm, the plywood has the length of 325mm and the width of 230 mm;
the specific dimensions of the adjustable plate holder are as follows: the length of the flat plate is 400mm, the width is 265mm, and the thickness is 10 mm; the total length of the long shaft is 492mm,
polygonal knots with 35mm long endsStructuring; the length of the sliding pin is 14mm, and the outer side is an inscribed circle
The inner surface of the regular 12-sided polygon is matched with the polygonal structure of the long shaft;
and the contact surfaces of the fixed disc I and the fixed disc II are coated with sealant.
The specific dimensions of the inertial self-locking device are as follows: the outer diameter of the rotating disc is 48mm, the inner diameter of the rotating disc is 8mm, the thickness of the rotating disc is 3mm, the width of the curved groove opening is 5.5mm, the diameter of the spring cylindrical pin is 5mm, and the tail end of the spring is fixedly connected with the bottom end of the curved groove; the fixed disk I and the fixed disk II are used in pairs, the rotating disk is arranged in a cavity between the two fixed disks, and the inner diameter of an annular groove (namely a chamber) enclosed by the fixed disk I and the fixed disk II
Outer diameter of annular groove
The number of the threaded holes I is 4, and the size is
The L-shaped grooves are 4 pairs, the number of the threaded holes III is 2, and the size is
The size of the lock pin hole is
The distance between the left bracket and the right bracket is 500mm, the width of the left bracket and the right bracket is 25mm, the thickness of the left bracket and the right bracket is 16mm, the depth of the left guide rail groove and the right guide rail groove is 10mm, and the width of the left guide rail groove and the right guide rail groove is 13 mm; the depth of the inner groove of the guide rail matched with the guide rail is 7mm, the width of the inner groove is 10mm, and the section of the inner groove is symmetrical L-shaped; each leg of the left and right brackets has 2 pairs
Location column and 2
The threaded hole is used for connecting the lifting bracket;
the specific dimensions of the back board are as follows: the total length is 475mm, the total width is 250mm, and the thickness is 15 mm.
The use process of the multifunctional medical auxiliary walking anti-falling device comprises the following steps:
the rocker bolt is rotated to detach the flat plate, the pull-plug type pull ring pin for fixing the elbow-shaped support is pulled open, and then the pulley is driven to be drawn into the linear groove II through the sliding pulley, so that the multifunctional medical auxiliary walking anti-falling device can be changed from the state shown in figure 1 to the state shown in figure 10;
at the moment, if a user pushes the chair to walk and fall forward, the acceleration of the wheels changes suddenly, the acceleration of a rotating disc of an inertia self-locking device connected with the wheels increases suddenly, the centrifugal force borne by a cylindrical pin of the spring is larger than the pulling force of the spring and is thrown into a clamping groove of a fixed disc, the rotating disc is clamped, the wheels stop rotating, the chair does not move forward, the user is ensured not to fall down, when the chair is not moved, a brake mechanism on the universal wheel can be stepped on, and the wheels are prevented from moving randomly. Work and study can be carried out on the adjustable flat plate, the opening and closing pad can be opened when people go to a toilet, and the toilet hole of the lower plate can be aligned with the toilet bowl for use.
The multifunctional medical auxiliary walking anti-falling device is reasonable in design, the inertia self-locking device with an exquisite structure endows the multifunctional medical auxiliary walking anti-falling device with good anti-falling performance, the use convenience is good, the locking state can be conveniently released, meanwhile, the design of the left guide rail groove and the right guide rail groove in the left support and the right support endows the seat board with various change forms, a user can conveniently sit down to have a rest, the user can not be influenced to use the device to walk, and the multifunctional medical auxiliary walking anti-falling device has a great application prospect.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these embodiments are merely illustrative and various changes or modifications may be made without departing from the principles and spirit of the invention.
Claims (10)
1. A multifunctional medical auxiliary walking anti-falling device is characterized by comprising a left bracket and a right bracket;
the left support and the right support are identical in structure and are arranged oppositely, and each left support and the right support comprise two cross rods I and two cross rods II which are parallel to each other and arc-shaped rods which are positioned on one sides of the cross rods I and the cross rods II and are used for connecting the cross rods I and the cross rods II, wherein the cross rods II are connected with two supporting rods which extend along the direction away from the arc-shaped rods, the supporting rods are connected with a lifting support, and the free end of the lifting support is provided with a caster wheel, wherein the two caster wheels close to the side of the arc-shaped rods are universal wheels, and the two caster wheels far away from the side of the arc-shaped rods are directional wheels provided with inertial self-locking devices;
the inertial self-locking device comprises a rotating disc, a fixed disc I and a fixed disc II, wherein the rotating disc coaxially rotates with the directional wheel, the fixed disc I and the fixed disc II are positioned on two sides of the rotating disc, a plurality of curved grooves are radially arranged on the rotating disc, spring cylindrical pins are arranged in the curved grooves, the spring tail ends of the spring cylindrical pins are connected with the curved grooves close to the center of the rotating disc, a cavity capable of containing the rotating disc is formed after the fixed disc I and the fixed disc II are combined, and a plurality of convex fixing cavities are formed in the cavity corresponding to the plurality of spring cylindrical pins on the rotating disc;
the left support and the right support are respectively provided with a left guide rail groove and a right guide rail groove which have the same structure and are matched with each other, the left support and the right support are mainly formed by connecting an arc wire groove I positioned in an arc-shaped rod, a linear groove I positioned in a cross rod II and a linear groove II positioned in a support rod far away from the arc-shaped rod, a seat plate convenient for a user to sit and rest is arranged between the cross rods II of the left support and the right support, and pulleys matched with the left guide rail groove or the right guide rail groove and sliding in the seat plate are arranged on two sides of the seat plate;
the free ends of the cross rod I and the cross rod II are connected through a v-21274h-shaped backrest support, and a backrest plate is arranged in the backrest support.
2. The multifunctional medical auxiliary walking falling-prevention device as claimed in claim 1, wherein the seat plate comprises an upper plate, a lower plate and an opening plate;
the middle part of the lower plate is provided with a stool hole, and two sides of the lower plate are provided with pulleys;
the upper plate is provided with an opening-closing plate corresponding to the position of the excrement hole of the lower plate.
3. The multifunctional medical walking-assisting anti-falling device according to claim 1, wherein the cross bar I is sleeved with an anti-slip handrail.
4. The multifunctional medical auxiliary walking anti-falling device according to claim 1, wherein the arc-shaped rods of the left bracket and the right bracket are connected with an adjustable flat plate bracket;
the adjustable flat plate support comprises a flat plate, a long shaft, a sliding pin, a rocker bolt and an elbow support;
the fixing device is characterized in that a sleeve for accommodating the long shaft is arranged at one end of the flat plate, the long shaft is arranged in the sleeve, sliding pins matched with end face structures of the long shaft are installed at two ends of the long shaft, elbow supports are respectively arranged on the outer sides of the two sliding pins, the sleeve, the long shaft, the sliding pins and the elbow supports can be fixed through rocker bolts, and the other end of each elbow support is fixedly connected with an arc-shaped rod of the left support or the right support.
5. The multifunctional medical auxiliary walking falling-prevention device is characterized in that the other end of the elbow-shaped support is fixedly connected with the arc-shaped rod of the left support or the right support through a pull-plug type pull ring pin.
6. The multifunctional medical auxiliary walking anti-falling device as claimed in claim 1, wherein an intermediate shaft for fixing a rotating disc and a directional wheel is arranged in the inertial self-locking device, and the intermediate shaft and the rotating disc are tightly connected through an expansion ring;
and the contact surfaces of the fixed disc I and the fixed disc II are coated with sealant.
7. The multifunctional medical auxiliary walking falling-prevention device as claimed in claim 1, wherein the universal wheels are provided with brake mechanisms;
the universal wheel and the directional wheel are fixedly connected with the lifting bracket through a wheel carrier;
the inner side of the wheel frame of the directional wheel is provided with a threaded hole I for fixing an inertia self-locking device, and the outer side of the wheel frame is used for fixing the wheel by using a stop ring and a nut;
the outer rings of the universal wheel and the directional wheel are covered with anti-slip rubber layers.
8. The multifunctional medical auxiliary walking anti-falling device as claimed in claim 1, wherein the bottom of the lifting support is provided with a threaded hole II in threaded connection with a universal wheel or a directional wheel;
and a plurality of pairs of L-shaped grooves and threaded holes III which are respectively matched with the positioning columns and the holes on the supporting rods are formed in the lifting support.
9. The multifunctional medical auxiliary walking falling-prevention device is characterized in that a locking pin hole for blocking a pulley is formed in the position, close to an arc rod, of the straight groove I of the right support.
10. The multifunctional medical auxiliary walking anti-falling device as claimed in claim 1, wherein the backrest plate is in threaded connection with the backrest support, and the backrest support is fastened with the cross bar I and the cross bar II of the left and right supports through bolts in a square hole fit manner.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010048088.XA CN111202661B (en) | 2020-01-16 | 2020-01-16 | Multifunctional medical auxiliary walking anti-falling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010048088.XA CN111202661B (en) | 2020-01-16 | 2020-01-16 | Multifunctional medical auxiliary walking anti-falling device |
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| CN111202661A CN111202661A (en) | 2020-05-29 |
| CN111202661B true CN111202661B (en) | 2021-09-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112168524B (en) * | 2020-10-23 | 2022-02-22 | 天津大学 | Auxiliary movement wheelchair exoskeleton device capable of realizing sitting, standing and running three-state conversion |
| CN112263445A (en) * | 2020-11-09 | 2021-01-26 | 北京化工大学 | Semi-automatic machinery prevents falling and helps capable car |
| CN112641606B (en) * | 2020-12-23 | 2023-08-01 | 南京市同亮科技有限公司 | Medical treatment is recovered with walking auxiliary vehicle |
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| US5607030A (en) * | 1995-12-15 | 1997-03-04 | Swift; Daniel P. | Centrifugal shopping cart brake |
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| EP2343035A1 (en) * | 2010-01-07 | 2011-07-13 | Handicare AS | A rollator having height adjustable handles |
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