CN106838176A - A kind of nursing assistant device - Google Patents

A kind of nursing assistant device Download PDF

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Publication number
CN106838176A
CN106838176A CN201710176668.5A CN201710176668A CN106838176A CN 106838176 A CN106838176 A CN 106838176A CN 201710176668 A CN201710176668 A CN 201710176668A CN 106838176 A CN106838176 A CN 106838176A
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CN
China
Prior art keywords
gears
pocket
gear
wheel
tooth bar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201710176668.5A
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Chinese (zh)
Other versions
CN106838176B (en
Inventor
王春爱
江春霞
刘庆梅
徐婷
申作剑
辛本强
胡家宁
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Jiangsu Dingjie Medical Equipment Co ltd
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Individual
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Publication date
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Priority to CN201710176668.5A priority Critical patent/CN106838176B/en
Publication of CN106838176A publication Critical patent/CN106838176A/en
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Publication of CN106838176B publication Critical patent/CN106838176B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
    • F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/44—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with self-contained electric driving motors
    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
    • A61G7/012—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame raising or lowering of the whole mattress frame
    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05—Parts, details or accessories of beds
    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1001—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto specially adapted for specific applications
    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1013—Lifting of patients by
    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1049—Attachment, suspending or supporting means for patients
    • 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
    • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
    • A61G7/1073—Parts, details or accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G67/00—Loading or unloading vehicles
    • B65G67/02—Loading or unloading land vehicles
    • B65G67/04—Loading land vehicles
    • B65G67/06—Feeding articles or materials from bunkers or tunnels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F13/00—Common constructional features or accessories
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/02—Devices, e.g. jacks, adapted for uninterrupted lifting of loads with racks actuated by pinions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
    • F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
    • F16H19/043—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack for converting reciprocating movement in a continuous rotary movement or vice versa, e.g. by opposite racks engaging intermittently for a part of the stroke
    • 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
    • A61G2200/00—Information related to the kind of patient or his position
    • A61G2200/10—Type of patient
    • A61G2200/12—Women
    • 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
    • A61G2200/00—Information related to the kind of patient or his position
    • A61G2200/10—Type of patient
    • A61G2200/20—Type of patient with asymmetric abilities, e.g. hemiplegic or missing a limb

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Nursing (AREA)
  • Animal Behavior & Ethology (AREA)
  • Structural Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Gear Transmission (AREA)
  • Transmission Devices (AREA)
  • Rehabilitation Tools (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Types And Forms Of Lifts (AREA)

Abstract

The invention discloses a kind of nursing assistant device, belong to mechanical field, it is characterised in that：Including tooth bar, motor, tooth rest, housing and multiple gears；Described tooth bar is meshed with a gear；Described motor output shaft connects No. three gears, and No. three gears are meshed with No. two described gears；Described tooth rest is hinged with the axle where a gear, No. two gears；Described motor is fixedly connected with tooth rest；No. four gears are provided with below No. two gears, No. four gears are meshed with No. two gears, No. four gears are fixedly connected a coaxial pocket-wheel；Described tooth rest is provided with intermeshing No. five gears and No. six gears, and No. five gears and No. six gears are respectively fixedly connected with coaxial No. two pocket-wheels and No. three pocket-wheels.There is the characteristics of power saving, stable performance compared with prior art.

Description

A kind of nursing assistant device
Technical field
The present invention is application for a patent for invention《A kind of lowering or hoisting gear》（Application number：2015100829442）Divisional application, tool Body is a kind of nursing assistant device, can be used for helping pregnant and lying-in women, the old and the weak patient or disabled person to play seat.
Background technology
The special populations such as pregnant and lying-in women, the old and the weak patient or disabled person, due to handicapped, nurse particularly important.Stand, sit The relatively simple thing of inferior daily life, all becomes more difficult during this period, can be helped by servicing unit, sat. It is at present electric up-down with widest lowering or hoisting gear, wherein being caused to prevent free decrease speed too fast during declining Larger impact, generally slows down by the way of motor-driven declines and rubs.The former making during decline Into the loss of electric power, the phenomenon of failure can be caused after the latter's long-term use because of the abrasion of friction member.
The content of the invention
Technical assignment of the invention is directed to above the deficiencies in the prior art, there is provided a kind of power saving, one kind of stable performance Nursing assistant device.
The present invention solve its technical problem technical scheme be：A kind of nursing assistant device, it is characterised in that：Including tooth Bar, motor, tooth rest, housing and multiple gears；Described tooth bar is placed vertically, through housing, described tooth bar and No. one Gear is meshed, and a gear and No. two gears collectively constitute a duplicate gear, and the axle of duplicate gear is arranged on described housing On；Described motor output shaft connects No. three gears, and No. three gears are meshed with No. two described gears；Described tooth rest It is hinged with the axle where a gear, No. two gears；Described motor is fixedly connected with tooth rest；No. two lower sections of gear No. four gears are provided with, No. four gears are meshed with No. two gears, No. four gears are fixedly connected a coaxial pocket-wheel；No. four teeth Wheel and an axle for pocket-wheel are arranged on described housing；Described tooth rest is provided with intermeshing No. five gears and six Number gear, No. five gears and No. six gears are respectively fixedly connected with coaxial No. two pocket-wheels and No. three pocket-wheels；Described three Pocket-wheel is located on same perpendicular, and No. two pocket-wheels and No. three pocket-wheel maximum radius sums less than No. five gears and No. six gear compound graduation radius of circle sums；When tooth rest is rotated to lowest part, the wedge angle of No. two pocket-wheels and No. three pocket-wheels Wedge angle can collide with the wedge angle of a pocket-wheel；When tooth rest is rotated to highest point, No. two wedge angles of pocket-wheel Can not all be collided with the wedge angle of a pocket-wheel with No. three wedge angles of pocket-wheel；Under gravity, during nature, Tooth rest is located at the lowest part of its stroke；Above-mentioned each part is respectively positioned on floor lower section in addition to tooth bar, and described tooth bar upper end is worn The hole crossed on floor, exposes floor, and tooth bar upper end is fixedly connected armpit support.Tooth of the switch of described motor below armpit support On bar, it is connected with motor circuit by electric wire.
An above-mentioned gear diameter is less than No. two gear diameters, and No. two gear diameters are more than No. four gear diameters, No. four teeth Wheel diameter is less than a maximum gauge for pocket-wheel.
Compared with prior art, the present invention has beneficial effect following prominent：
1st, declined by self gravitation, save electric energy；
2nd, descending speed will not change because of parts depreciation, stable performance；
3rd, descending speed will not the significant change because the body weight of user is different.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is the structural representation of embodiments of the invention one.
Fig. 3 is the structural representation of embodiments of the invention two.
Fig. 4 is the structural representation of embodiments of the invention three.
Fig. 5 is the structural representation of embodiments of the invention four.
Fig. 6 is lowering or hoisting gear and stuck apparatus structure schematic diagram in embodiments of the invention four.
Fig. 7 is the structural representation of embodiments of the invention five.
Fig. 8 is the top view of funnel in embodiments of the invention five.
Fig. 9 is lowering or hoisting gear and stuck apparatus structure schematic diagram in embodiments of the invention five.
Figure 10 is the structural representation of embodiments of the invention six.
Figure 11 is lifting device structure schematic diagram in embodiments of the invention six.
Figure 12 be in Figure 10 of the invention A-A to sectional view.
Specific embodiment
With reference to specification drawings and specific embodiments, the present invention is further described.
As shown in figure 1, the present invention is a kind of lowering or hoisting gear, described lowering or hoisting gear specific embodiment includes tooth bar 7, electricity Motivation 9, tooth rest 10, housing 8 and multiple gear, described motor 9, tooth rest 10, housing 8 and multiple gears are located at housing Inside 8.
Described tooth bar 7 is placed vertically, and through housing 8, the connection of tooth bar 7 needs the object of lifting, described tooth bar 7 and Number gear 1 is meshed, and a gear 1 and No. two gears 2 collectively constitute a duplicate gear, and the axle of duplicate gear is arranged on described On housing 8.The described output shaft of motor 9 connects No. three gears 3, and No. three gears 3 are meshed with No. two described gears 2.
Axle where 1, No. two gears of described tooth rest 10 and a gear 2 is hinged, by housing 8 come limiting gear The angle of the rotation of frame 10, the position limiting structure of the limitation can be the external shape of housing 8, or the protrusion in housing 8.It is described Motor 9 be fixedly connected with tooth rest 10.Because tooth rest 10 is around the axle rotation where No. two gears 2, so rotating through Cheng Zhong, No. three gears 3 can be meshed with No. two gears 2 all the time.
The lower section of No. two gears 2 is provided with No. four gears 4, and No. four gears 4 are meshed with No. two gears 2, and No. four gears 4 are fixed A coaxial pocket-wheel 11 of connection.No. four gears 4 and an axle for pocket-wheel 11 are arranged on described housing 8.Described Tooth rest 10 is provided with intermeshing No. five gears 5 and No. six gears 6, and No. five gears 5 and No. six gears 6 are respectively fixedly connected with Coaxial No. two pocket-wheels 12 and No. three pocket-wheels 13.Three described pocket-wheels are located on same perpendicular, and are met： 1. No. two pocket-wheels 12 and No. three maximum radius of pocket-wheel 13（Distance i.e. between sharp corner and the center of circle）Sum is less than No. five gears 5 With No. six reference radius sums of gear 6, to ensure that No. two pocket-wheels 12 will not collide with No. three pocket-wheels 13；2. tooth is worked as Wheel carrier 10 is rotated during to lowest part, and the wedge angle and No. three wedge angles of pocket-wheel 13 of No. two pocket-wheels 12 can be with a pocket-wheels 11 wedge angle collides；3. when tooth rest 10 is rotated to highest point, No. two wedge angles and No. three pocket-wheels 13 of pocket-wheel 12 Wedge angle can not all be collided with the wedge angle of a pocket-wheel 11.Under gravity, during nature, tooth rest 10 In the lowest part of its stroke.
Lowering or hoisting gear operation principle：When the object band carry-over bar 7 for needing lifting declines, a gear 1 turns clockwise, No. two gears 2 turn clockwise simultaneously, and No. two gears 2 drive No. four rotate counterclockwises of gear 4, while an inverse time of pocket-wheel 11 Pin rotates, and a wedge angle of pocket-wheel 11 collides with No. two wedge angles of pocket-wheel 12 first, and No. two pocket-wheels 12 turn clockwise, together When No. five gears 5 turn clockwise, drive No. six rotate counterclockwises of gear 6, while No. three rotate counterclockwises of pocket-wheel 13, immediately A number wedge angle of pocket-wheel 11 collides with No. three pocket-wheels 13 just in rotate counterclockwise, inverts No. three pocket-wheels 13, i.e., suitable Hour hands rotate, while No. six gears 6 turn clockwise, No. five rotate counterclockwises of gear 5 are driven, while No. two inverse times of pocket-wheel 12 Pin rotates, and a next wedge angle for pocket-wheel 11 is collided with No. two pocket-wheels 12 just in rotate counterclockwise immediately ... passes through The collision for going round and beginning again a, rotating speed for pocket-wheel 11 is controlled in a relatively low speed all the time, that is, realize tooth bar 7 slow The process of decline.Slow drop process is mechanically to realize, without starting motor 9, so as to reduce energy loss；It is slow Drop process realized by collision rather than friction mode, thus will not cause because of the abrasion of part coefficient of friction change and then Descending speed is set to change.
When the object for needing lifting needs to rise, start motor 9, motor 9 drives the dextrorotation of No. three gears 3 Turn, No. three gears 3 drive No. two rotate counterclockwises of gear 2, while a rotate counterclockwise of gear 1, a gear 1 is with carry-over bar 7 slow risings；No. three gears 3 are subject to No. two torques counterclockwise of the effect of gear 2 simultaneously, and tooth rest 10 is subject to No. three gears 3 The clockwise torque of effect, the torque drives tooth rest 10 to rotate clockwise in figure at double dot dash line position, now No. two stars Shape wheel 12 no longer collides with No. three pocket-wheels 13 with a pocket-wheel 11, it is to avoid energy loss.
In prioritization scheme, to obtain preferably slowing effect, a diameter of gear 1 is less than No. two diameters of gear 2, No. two teeth , with diameter greater than No. four diameters of gear 4, No. four diameters of gear 4 are less than a maximum gauge for pocket-wheel 11 for wheel 2（That is sharp corner and circle The twice of distance between the heart）.
In present invention could apply to various machine applications, below for specific implementation is applied.Lifting in following embodiments Apparatus structure is specially the present invention, sees above-mentioned specific embodiment in composition and annexation in it, below its repeating part not Tire out again and state.
Embodiment one is a kind of lifting device.
In embodiment one, in addition to above-mentioned lowering or hoisting gear, also including stuck device.Thing to be lifted, can be operating desk Face, material platform etc., described table top or platform wait lifting thing to be fixedly connected with tooth bar 7.
As shown in Fig. 2 described stuck device includes the first spine bar 15, ratchet 23, the described position of the first spine bar 15 is consolidated It is fixed, the tooth bar 7 described in the flank of tooth direction of the first spine bar 15.Horizontal blind hole and vertical holes, described water are provided with described tooth bar 7 Tooth bar 7 is located at flat blind hole opening towards in the one side of the first spine bar 15, described vertical holes lower end is connected in horizontal blind hole Portion.The first fixture block 16 is provided with lateral aperture, the first fixture block 16 is hinged near the end of the first spine bar 15 with ratchet 23.First fixture block 16 The first spring 17 is provided with and the cecum of horizontal blind hole between.The first action bars 18, the lower end of the first action bars 18 are provided with vertical holes Inclined-plane is provided with away from the side of the first spine bar 15.The position that the described upper side of the first fixture block 16 is in contact with the first described action bars 18 Put the triangular groove for being provided with and being adapted with the described upper end of the first action bars 18, it is described it is adaptable refer to triangular groove The lower end of the first action bars 18 can just be accommodated.The upper end of vertical holes is provided with the first electromagnet 14, the upper end of the first action bars 18 Magnet 19 is provided with, the polarity of the described upper end of magnet 19 is identical with the polarity of the described lower end of the first electromagnet 14.First operation Side in the middle of bar 18 towards the first spine bar 15 is provided with the first projection 21, is cut with scissors on the position of the first projection 21 on tooth bar 7 Direction finding block 20 is connect, is used to detect the direction of motion of tooth bar 7, direction finding block 20 has wedge angle towards the side of the first spine bar 15, on direction finding block 20 The second projection 22 is provided with away from the side of the first spine bar 15, the second projection 22 is located at the lower section of the first projection 21.
Tooth bar 7 can be blocked by ratchet 23, the structure of the first spine bar 15, prevent its random whereabouts.First electromagnet 14 After energization, due to homopolar-repulsion, the action bars 18 of magnet 19 and first is moved down.Because tooth bar 7 is metal or other close magnetic Material, after power-off, because magnet 19 can be adsorbed on the side wall in hole where it, so will not voluntarily move up.First behaviour When making bar 18 and moving down, the first fixture block 16 is pushed to away from first by the collective effect of the lower end inclined-plane of the first action bars 18 and groove The end of spine bar 15, ratchet 23 will no longer block the first spine bar 15, so that tooth bar 7 can fall；When tooth bar 7 is moved down, pass through The effect of the first spine bar 15 can be rotated up the wedge angle of direction finding block 20, when rising under drive of the tooth bar 7 in motor 9, By the effect of the first spine bar 15, rotate down the wedge angle of direction finding block 20, while the second projection 22 is rotated up, the second projection 22 The first action bars 18 is driven to move up by the first projection 21, the first fixture block 16 discharges, and ratchet 23 can encounter the first spine bar 15, so as at any time can be blocked tooth bar 7 after motor 9 is stopped, prevent tooth bar 7 from voluntarily falling.
Embodiment two is a kind of medical aid, can be used for helping pregnant and lying-in women, the old and the weak patient or disabled person to play seat.
As shown in figure 3, the lower end of tooth bar 7 of the lowering or hoisting gear is fixedly connected an annulus 24.The embodiment shell can pacify In ceiling or other devices, or with ceiling etc. as shell, therefore Fig. 3 eliminates the concrete shape of shell.
Operating process is as follows：When user sits down, arm is passed through the annulus 24 of the lower end of tooth bar 7, annulus 24 are enclosed within armpit Lower place, drives user slowly to sit down by the present apparatus.When user stands, arm is passed through the annulus 24 of the lower end of tooth bar 7, Start motor 9, drive user slowly to stand by the present apparatus.
Embodiment three is a kind of nursing assistant device, can be used for helping pregnant and lying-in women, the old and the weak patient or disabled person to go to toilet Rise and sit.
As shown in figure 4, described lowering or hoisting gear main part is located at floor lower section, the described upper end of tooth bar 7 passes through floor On hole, expose floor, the upper end of tooth bar 7 is fixedly connected armpit support 25.Likewise, Fig. 4 eliminates the concrete shape of shell.Described The switch of motor 9 is connected by electric wire on the tooth bar 7 of the lower section of armpit support 25 with the circuit of motor 9.
Operating process is as follows：When patient goes to toilet, armpit support 25 is placed in oxter, in the presence of body weight, lowering or hoisting gear band Dynamic patient slowly sits down.When patient stands, by arm through the armpit support 25 of the lower end of tooth bar 7, start motor 9, by this dress Drive patient is put slowly to stand.
Example IV is a kind of tutor auxiliary platform apparatus, for the lifting of screen of imparting knowledge to students, it is also possible to in commercial activity Presentation screen is lifted.
As shown in Figure 5,6, described lowering or hoisting gear is located at the rear of screen 26, is fixed with wall or other supporting constructions and connected Connect, described tooth bar 7 is fixedly connected with screen 26.
Also include stuck device in the present embodiment, described stuck device includes the second spine bar 27, the second described spine bar 27 are fixedly connected with housing 8, the tooth bar 7 described in the flank of tooth direction of the second spine bar 27.Be provided with described tooth bar 7 horizontal blind hole and Vertical holes, is located at tooth bar 7 towards in the one side of the second spine bar 27 at described horizontal blind hole opening, described vertical holes upper end connects The middle part of the flat blind hole of water flowing, lower ending opening.The second fixture block 28 is provided with lateral aperture, the one end of the second fixture block 28 is exposed from hole, revealed Go out end upside and be provided with inclined-plane.Second spring 29 is provided between second fixture block 28 and the cecum of horizontal blind hole.Is provided with vertical holes Two action bars 30, the described diameter of the second action bars 30 is equal to the internal diameter of vertical holes where it, and the lower end of the second action bars 30 is exposed, Upper end is provided with inclined-plane away from the side of the second spine bar 27.The described downside of the second fixture block 28 is in contact with the second described action bars 30 Position be provided with the triangular groove being adapted with the described upper end of the second action bars 30, it is described it is adaptable refer to triangle Groove can just accommodate the upper end of the second action bars 30.
Operating process is as follows：When screen 26 is declined, will be pressed on the second action bars 30, by the second action bars 30 by second Fixture block 28 withdraws, and the second action bars 30 is no longer bounced under the frictional force effect of vertical holes.Under gravity, screen 26 It is slow to decline.
When screen 26 is risen, start motor 9, drive screen 26 slowly to rise by the present apparatus.
Embodiment five is a kind of bulk goods hopper, can be used for harbour, the loading of goods yard bulk cargo.
As shown in Figure 7,8, described bulk goods hopper includes funnel 34, support frame 35, rubber skirtboard 37, lowering or hoisting gear and card Dead device.
By support frame 35, funnel 34 is propped up.The shaft-like buffering of horizontal positioned is provided with the described feed opening of funnel 34 Device 39, effectively controls goods and spills speed and flow, mitigates the impact to having bad luck vehicle tank.Lower end is provided with fixed skirt 36.Described rubber skirtboard 37 is nested in fixed skirt 36.Described rubber skirtboard 37 can be moved up and down by lowering or hoisting gear, The automobile of various different heights is enabled adaptation to, by fixed skirt 36 and the collective effect of rubber skirtboard 37, fills goods Do not spilt over during load, while bulk cargo floating dust can be blocked, reduce airborne dust, reduce air pollution.
As shown in figure 9, described lowering or hoisting gear shell 8 is fixedly connected with funnel 34.Described tooth bar 7 and described rubber Skirtboard 37 is fixedly connected.
Described stuck device includes the 3rd spine bar 31, and the 3rd described spine bar 31 is fixed with described fixed skirt 36 and connected Connect, the tooth bar 7 described in the flank of tooth direction of the 3rd spine bar 31.Horizontal blind hole is provided with described tooth bar 7, described horizontal blind hole is opened Mouthful place is positioned at tooth bar 7 towards in the one side of the 3rd spine bar 31.The 3rd fixture block 32 is provided with lateral aperture, the 3rd described fixture block 32 is Magnetic fixture block, is specifically as follows magnetic metal material or one end is fixedly connected a magnet, and the 3rd fixture block 32 is near the 3rd spine The end upper side of bar 31 is provided with inclined-plane.The second electromagnet 33 is provided with the cecum of described horizontal blind hole.
After described the second electromagnet 33 is powered, when the second electromagnet 33 is identical to opposite polarity with the 3rd fixture block 32, 3rd fixture block 32 is pushed out by repulsion, can be blocked rubber skirtboard 37 by the 3rd fixture block 32, the structure of the 3rd spine bar 31, prevents Only its random whereabouts.When needing to fall rubber skirtboard 37, the second electromagnet 33 is passed through reverse current, the pole of the second electromagnet 33 Sexually revise, described 3rd fixture block 32 is subject to suction, is sucked into hole, thus rubber skirtboard 37 can free-falling, drop down onto instantly During correct position, the 3rd fixture block 32 is released by the second electromagnet 33 is passed through into forward current, rubber skirtboard 37 is blocked.
Operating process is as follows：When using, first by running car to feed opening lower section, according to the height of automobile, by weight Power declines rubber skirtboard 37, and with compartment, goods is piled up, and the height of rubber skirtboard 37 is gradually risen by lowering or hoisting gear, until Load and complete.
Embodiment six is Medical Devices, specifically for the lifting of sick bed bed board.
As shown in Figure 10,11, the present embodiment includes bed body 40, described lowering or hoisting gear and stuck device.
Described bed body 40 is provided with fixed bed board 44 and lifting bed board 42, and lifting bed board 42 passes through a side and fixed bed Plate 44 is hinged.Bed board has crossbeam 43.For ease of narration, the direction at the place of lifting bed board 42 is set as preceding, fixed bed board After direction where 44 is.
The described two ends of connecting rod 41 are hinged with described lifting bed board 42 and tooth bar 7 respectively.The described level of tooth bar 7 is put Put.Described crossbeam 43 is provided with the hole moved towards along the fore-and-aft direction of bed body 40, and described tooth bar 7 is passed through from hole.
As shown in figure 12, described stuck device is specially：It is wide along bed body 40 that described tooth bar 7 is respectively provided with one with crossbeam 43 The lateral aperture of trend is spent, the 4th fixture block 46 is provided with the lateral aperture of tooth bar 7, the one end of the 4th fixture block 46 is exposed, bared end rear side sets There is inclined-plane.The other end of 4th fixture block 46 is provided with the 3rd spring 47.On lateral aperture wherein one end of described crossbeam 43 and crossbeam 43 Hole where tooth bar 7 is connected, and the 3rd action bars 45 is provided with the lateral aperture of crossbeam 43, and the one end of the 3rd action bars 45 can encounter tooth Bar 7, the other end exposes from hole, is easy to user to operate.
Operating process is as follows：After the rise of bed board 42 is lifted, the 4th described fixture block 46 is stuck in the lateral aperture on crossbeam 43 It is interior, so as to tooth bar 7 be fixed.When lifting bed board 42 needs to fall, the 3rd action bars 45 is pressed, promotes the 4th fixture block 46, Under gravity, lifting bed board 42 is made slowly to fall by lowering or hoisting gear.
When needing to rise lifting bed board 42, start motor 9, moved after described tooth bar 7, by by lowering or hoisting gear band Dynamic bed board slowly rises.
It should be noted that particular of the invention is to the present invention have been described in detail, for ability For the technical staff in domain, various obviously change to what it was carried out without departing from the spirit and scope of the present invention Become all within protection scope of the present invention.

Claims (2)

1. a kind of nursing assistant device, it is characterised in that：Including tooth bar, motor, tooth rest, housing and multiple gears；It is described Tooth bar place vertically, through housing, described tooth bar is meshed with a gear, and a gear is collectively constituted with No. two gears One duplicate gear, the axle of duplicate gear is arranged on described housing；Described motor output shaft connects No. three gears, No. three Gear is meshed with No. two described gears；Described tooth rest is hinged with the axle where a gear, No. two gears；It is described Motor be fixedly connected with tooth rest；No. four gears are provided with below No. two gears, No. four gears are meshed with No. two gears, No. four gears are fixedly connected a coaxial pocket-wheel；No. four gears and an axle for pocket-wheel are arranged on described housing； Described tooth rest is provided with intermeshing No. five gears and No. six gears, and No. five gears and No. six gears are respectively fixedly connected with Coaxial No. two pocket-wheels and No. three pocket-wheels；Three described pocket-wheels are located on same perpendicular, and No. two stars Wheel is less than No. five gears and No. six gear compound graduation radius of circle sums with No. three pocket-wheel maximum radius sums；When tooth rest rotate to During lowest part, No. two wedge angles of pocket-wheel can collide with No. three wedge angles of pocket-wheel with the wedge angle of a pocket-wheel； When tooth rest is rotated to highest point, the wedge angle of No. two pocket-wheels and No. three wedge angles of pocket-wheel all can not be with pocket-wheels Wedge angle collides；Under gravity, during nature, tooth rest is located at the lowest part of its stroke；It is above-mentioned in addition to tooth bar Each part be respectively positioned on floor lower section, floor is exposed in described tooth bar upper end through the hole on floor, and tooth bar upper end is fixedly connected Armpit support；The switch of described motor is connected by electric wire on the tooth bar below armpit support with motor circuit.
2. a kind of nursing assistant device according to claim 1, it is characterised in that：A number gear diameter is less than No. two Gear diameter, No. two gear diameters are more than No. four gear diameters, and No. four gear diameters are less than a maximum gauge for pocket-wheel.
CN201710176668.5A 2015-02-16 2015-02-16 A kind of nursing assistant device Expired - Fee Related CN106838176B (en)

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CN201510082944.2A CN104653735B (en) 2015-02-16 2015-02-16 Lifting device

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CN201710176672.1A Active CN106763594B (en) 2015-02-16 2015-02-16 Operation mesa elevating gear
CN201710176676.XA Active CN106838177B (en) 2015-02-16 2015-02-16 A kind of bulk goods hopper
CN201710176665.1A Active CN107061654B (en) 2015-02-16 2015-02-16 Screen lifting device
CN201710176668.5A Expired - Fee Related CN106838176B (en) 2015-02-16 2015-02-16 A kind of nursing assistant device
CN201510082944.2A Expired - Fee Related CN104653735B (en) 2015-02-16 2015-02-16 Lifting device
CN201710176664.7A Active CN106821651B (en) 2015-02-16 2015-02-16 Liftable sickbed
CN201710176673.6A Active CN106821652B (en) 2015-02-16 2015-02-16 Medical standing and sitting auxiliary device

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CN201710176676.XA Active CN106838177B (en) 2015-02-16 2015-02-16 A kind of bulk goods hopper
CN201710176665.1A Active CN107061654B (en) 2015-02-16 2015-02-16 Screen lifting device

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CN201710176664.7A Active CN106821651B (en) 2015-02-16 2015-02-16 Liftable sickbed
CN201710176673.6A Active CN106821652B (en) 2015-02-16 2015-02-16 Medical standing and sitting auxiliary device

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Also Published As

Publication number Publication date
CN107061654B (en) 2021-02-19
CN106838177A (en) 2017-06-13
CN104653735A (en) 2015-05-27
CN106821652B (en) 2020-04-24
CN106821651B (en) 2020-04-17
CN106821651A (en) 2017-06-13
CN106763594A (en) 2017-05-31
CN106838177B (en) 2019-06-25
CN106821652A (en) 2017-06-13
CN106838176B (en) 2018-11-02
CN104653735B (en) 2017-05-03
CN107061654A (en) 2017-08-18
CN106763594B (en) 2020-05-15

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