CN106838176B - A kind of nursing assistant device - Google Patents

A kind of nursing assistant device Download PDF

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Publication number
CN106838176B
CN106838176B CN201710176668.5A CN201710176668A CN106838176B CN 106838176 B CN106838176 B CN 106838176B CN 201710176668 A CN201710176668 A CN 201710176668A CN 106838176 B CN106838176 B CN 106838176B
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CN
China
Prior art keywords
gears
pocket
gear
rack
wheels
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.)
Expired - Fee Related
Application number
CN201710176668.5A
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Chinese (zh)
Other versions
CN106838176A (en
Inventor
王春爱
江春霞
刘庆梅
徐婷
申作剑
辛本强
胡家宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Dingjie Medical Equipment Co ltd
Original Assignee
Rizhao Xuan Mdt Infotech Ltd
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Filing date
Publication date
Application filed by Rizhao Xuan Mdt Infotech Ltd filed Critical Rizhao Xuan Mdt Infotech Ltd
Priority to CN201710176668.5A priority Critical patent/CN106838176B/en
Publication of CN106838176A publication Critical patent/CN106838176A/en
Application granted granted Critical
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

Abstract

The invention discloses a kind of nursing assistant devices, belong to machinery field, it is characterised in that：Including rack, motor, tooth rest, shell and multiple gears；The rack is meshed with No.1 gear；Described No. three gears of motor output axis connection, No. three gears are meshed with No. two gears；The tooth rest is hinged with the axis where No.1 gear, No. two gears；The motor is fixedly connected with tooth rest；The lower section of No. two gears is equipped with No. four gears, and No. four gears are meshed with No. two gears, and No. four gears are fixedly connected with coaxial No.1 pocket-wheel；The tooth rest is equipped with intermeshing No. five gears and No. six gears, and No. five gears and No. six gears are respectively fixedly connected with No. two coaxial pocket-wheels and No. three pocket-wheels.Have the characteristics that power saving, performance are stablized 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 lifting 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 rise and sits.
Background technology
The special populations such as pregnant and lying-in women, the old and the weak patient or disabled person, due to handicapped, nursing is particularly important.It stands, sit The relatively simple thing of inferior daily life all becomes more difficult, can be helped, be sat by auxiliary device during this period. It is at present electric up-down with widest lifting gear, wherein to prevent free decrease speed is too fast from causing during declining Larger impact, generally use motor drive declines and the mode of friction slows down.The former making during the decline At the loss of electric power, the latter understands the phenomenon that causing failure because of the abrasion of friction member after being used for a long time.
Invention content
The technical assignment of the present invention is to be directed to the above the deficiencies in the prior art, provides a kind of power saving, one kind that performance is stablized Nursing assistant device.
The present invention the technical solution to solve the technical problem is that：A kind of nursing assistant device, it is characterised in that：Including tooth Item, motor, tooth rest, shell and multiple gears；The rack is placed vertically, passes through shell, the rack and No.1 Gear is meshed, and No.1 gear and No. two gears collectively constitute a duplicate gear, and the axis of duplicate gear is mounted on the shell On；Described No. three gears of motor output axis connection, No. three gears are meshed with No. two gears；The tooth rest It is hinged with the axis where No.1 gear, No. two gears；The motor is fixedly connected with tooth rest；The lower section of No. two gears Equipped with No. four gears, No. four gears are meshed with No. two gears, and No. four gears are fixedly connected with coaxial No.1 pocket-wheel；No. four teeth The axis of wheel and No.1 pocket-wheel is mounted on the shell；The tooth rest is equipped with intermeshing No. five gears and six Number gear, No. five gears and No. six gears are respectively fixedly connected with No. two coaxial pocket-wheels and No. three pocket-wheels；Described three Pocket-wheel is located on same perpendicular, and the sum of No. two pocket-wheels and No. three pocket-wheel maximum radius be less than No. five gears with The sum of No. six gear compound graduation radius of circles；When tooth rest is rotated to lowest point, the wedge angle of No. two pocket-wheels and No. three pocket-wheels Wedge angle can collide with the wedge angle of No.1 pocket-wheel；When tooth rest is rotated to highest point, the wedge angle of No. two pocket-wheels It cannot all collide with the wedge angle of No.1 pocket-wheel with the wedge angle of No. three pocket-wheels；Under gravity, when nature, Tooth rest is located at the lowest point of its stroke；Above-mentioned each component is respectively positioned below floor in addition to rack, and the rack upper end is worn The hole on floor is crossed, exposes floor, rack upper end is fixedly connected with armpit support.The switch of the motor is located at the tooth below armpit support On item, it is connect with motor circuit by electric wire.
Above-mentioned No.1 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 the maximum gauge of No.1 pocket-wheel.
Compared with prior art, the present invention has advantageous effect following prominent：
1, declined by its own gravity, save electric energy；
2, descending speed will not change because of parts depreciation, and performance is stablized；
3, descending speed will not the significant change due to weight of user difference.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Fig. 2 is one structural schematic diagram of the embodiment of the present invention.
Fig. 3 is two structural schematic diagram of the embodiment of the present invention.
Fig. 4 is three structural schematic diagram of the embodiment of the present invention.
Fig. 5 is four structural schematic diagram of the embodiment of the present invention.
Fig. 6 is lifting gear and stuck device structural schematic diagram in the embodiment of the present invention four.
Fig. 7 is five structural schematic diagram of the embodiment of the present invention.
Fig. 8 is the vertical view of funnel in the embodiment of the present invention five.
Fig. 9 is lifting gear and stuck device structural schematic diagram in the embodiment of the present invention five.
Figure 10 is six structural schematic diagram of the embodiment of the present invention.
Figure 11 is lifting device structure schematic diagram in the embodiment of the present invention six.
Figure 12 be the present invention Figure 10 in sectional view along A-A.
Specific implementation mode
The present invention is further described with specific implementation mode with reference to the accompanying drawings of the specification.
As shown in Figure 1, the present invention is a kind of lifting gear, the lifting gear specific implementation mode includes rack 7, electricity Motivation 9, tooth rest 10, shell 8 and multiple gears, the motor 9, tooth rest 10 and multiple gears are located inside shell 8.
The rack 7 is placed vertically, and shell 8, the connection of rack 7 is passed through to need the object lifted, the rack 7 and one Number gear 1 is meshed, and No.1 gear 1 and No. two gears 2 collectively constitute a duplicate gear, and the axis of duplicate gear is mounted on described On shell 8.The motor 9 exports No. three gears 3 of axis connection, and No. three gears 3 are meshed with No. two gears 2.
Axis where 1, No. two gear of the tooth rest 10 and No.1 gear 2 is hinged, by shell 8 come limiting gear The position limiting structure of the angle that frame 10 rotates, the limitation can the external shape for shell 8 or the protrusion in shell 8.It is described Motor 9 be fixedly connected with tooth rest 10.Since tooth rest 10 is around the axis rotation where No. two gears 2, so rotating through Cheng Zhong, No. three gears 3 can be meshed with No. two gears 2 always.
The lower section of No. two gears 2 is equipped with No. four gears 4, and No. four gears 4 are meshed with No. two gears 2, and No. four gears 4 are fixed Connect coaxial No.1 pocket-wheel 11.The axis of No. four gears 4 and No.1 pocket-wheel 11 is mounted on the shell 8.Described Tooth rest 10 is equipped 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 pocket-wheels are located on same perpendicular, and meet： 1. the sum of No. two pocket-wheels 12 and No. three 13 maximum radius of pocket-wheel (i.e. distance between sharp corner and the center of circle) are less than No. five gears 5 The sum of with No. six 6 reference radius of gear, to ensure that No. two pocket-wheels 12 will not collide with No. three pocket-wheels 13；2. working as tooth When the rotation of wheel carrier 10 is to lowest point, the wedge angle of No. two pocket-wheels 12 and the wedge angle of No. three pocket-wheels 13 can be with No.1 pocket-wheels 11 wedge angle collides；3. when tooth rest 10 is rotated to highest point, the wedge angle and No. three pocket-wheels 13 of No. two pocket-wheels 12 Wedge angle cannot all collide with the wedge angle of No.1 pocket-wheel 11.Under gravity, when nature, tooth rest 10 In the lowest point of its stroke.
Lifting gear operation principle：When the object band carry-over bar 7 for needing to lift declines, No.1 gear 1 rotates clockwise, No. two gears 2 rotate clockwise simultaneously, and No. two gears 2 drive No. four gears 4 to rotate counterclockwise, while 11 inverse time of No.1 pocket-wheel Needle rotates, and 11 wedge angle of No.1 pocket-wheel collides with No. two 12 wedge angles of pocket-wheel first, and No. two pocket-wheels 12 rotate clockwise, together When No. five gears 5 rotate clockwise, drive No. six gears 6 to rotate counterclockwise, while No. three pocket-wheels 13 rotate counterclockwise, immediately 11 wedge angle of No.1 pocket-wheel collides with No. three pocket-wheels 13 rotated counterclockwise, and No. three pocket-wheels 13 is made to invert, i.e., suitable Hour hands rotate, while No. six gears 6 rotate clockwise, and drive No. five gears 5 to rotate counterclockwise, while No. two 12 inverse times of pocket-wheel Needle rotates, and next wedge angle of No.1 pocket-wheel 11 and No. two pocket-wheels 12 rotated counterclockwise, which collide, immediately ... passes through The rotating speed of collision in cycles, No.1 pocket-wheel 11 is controlled in a lower speed always, that is, it is slow to realize rack 7 The process of decline.Slow drop process is mechanically to realize, without starting motor 9, to reduce energy loss；It is slow What drop process was realized by collision rather than friction mode, therefore friction coefficient will not be caused to change in turn because of the abrasion of part Descending speed is set to change.
When needing the object lifted to need to rise, start motor 9, motor 9 drives No. three gears 3 to revolve clockwise Turn, No. three gears 3 drive No. two gears 2 to rotate counterclockwise, while No.1 gear 1 rotates counterclockwise, and No.1 gear 1 is with carry-over bar 7 slowly rise；The torque counterclockwise that No. three gears 3 are acted on by No. two gears 2 simultaneously, tooth rest 10 is by No. three gears 3 The clockwise torque of effect, the torque drive tooth rest 10 to rotate clockwise in figure at double dot dash line position, at this time No. two stars Shape wheel 12 no longer collides with No.1 pocket-wheel 11 with No. three pocket-wheels 13, avoids energy loss.
In prioritization scheme, to obtain preferably slowing effect, 1 diameter of No.1 gear is less than No. two 2 diameters of gear, No. two teeth It takes turns 2 diameters and is more than No. four 4 diameters of gear, No. four 4 diameters of gear are less than maximum gauge (the i.e. sharp corner and circle of No.1 pocket-wheel 11 Twice of distance between the heart).
Present invention could apply in a variety of machine applications, be applied below for specific implementation.Lifting in following embodiments Apparatus structure is specially the present invention, in composition and connection relation see above-mentioned specific implementation mode, below repeating part not Tire out again and states.
Embodiment one is a kind of lifting device.
Further include stuck device in addition to above-mentioned lifting gear in embodiment one.Object to be lifted can be operation console Face, material platform etc., the table top or platform wait for lifting object to be fixedly connected with rack 7.
As shown in Fig. 2, the stuck device includes the first spine bar 15, pawl 23,15 position of the first spine bar is solid Fixed, the flank of tooth of the first spine bar 15 is towards the rack 7.Horizontal blind hole and vertical holes, the water are equipped in the rack 7 Flat blind hole opening is located at rack 7 towards in the one side of the first spine bar 15, and the vertical holes lower end is connected in horizontal blind hole Portion.The first fixture block 16 is equipped in lateral aperture, the first fixture block 16 is hinged close to 15 end of the first spine bar with pawl 23.First fixture block 16 The first spring 17 is equipped between the cecum of horizontal blind hole.The first operating lever 18,18 lower end of the first operating lever are equipped in vertical holes It is equipped with inclined-plane far from 15 side of the first spine bar.The position that first fixture block, 16 upper side is in contact with first operating lever 18 Set equipped with the triangular groove being adapted with 18 upper end of the first operating lever, it is described it is adaptable refer to triangular groove The lower end of the first operating lever 18 can just be accommodated.The upper end of vertical holes is equipped with the first electromagnet 14,18 upper end of the first operating lever Equipped with magnet 19, the polarity of 19 upper end of magnet is identical as the polarity of 14 lower end of the first electromagnet.First operation It is equipped with the first protrusion 21 towards the side of the first spine bar 15 among bar 18, is cut with scissors on the position of the first protrusion 21 on rack 7 Direction finding block 20 is connect, to detect 7 direction of motion of rack, direction finding block 20 has a wedge angle towards 15 side of the first spine bar, on direction finding block 20 It is equipped with the second protrusion 22 far from 15 side of the first spine bar, the second protrusion 22 is located at the lower section of the first protrusion 21.
Rack 7 can be blocked by pawl 23,15 structure of the first spine bar, prevents it from arbitrarily falling.First electromagnet 14 After energization, due to homopolar-repulsion, magnet 19 and the first operating lever 18 move down.Since rack 7 is metal or other close magnetic Material, after power-off, where capable of being adsorbed on it due to magnet 19 on the side wall in hole, so will not voluntarily move up.First behaviour When making bar 18 and moving down, the first fixture block 16 is pushed to far from first by the collective effect of 18 lower end inclined-plane of the first operating lever and groove 15 end of spine bar, pawl 23 will no longer block the first spine bar 15, to which rack 7 can fall；When rack 7 moves down, pass through The effect of first spine bar 15 can be such that the wedge angle of direction finding block 20 is rotated up, when rising under drive of the rack 7 in motor 9, By the effect of the first spine bar 15,20 wedge angle of direction finding block is made to rotate down, while the second protrusion 22 is rotated up, the second protrusion 22 The first operating lever 18 is driven to move up by the first protrusion 21, the first fixture block 16 release, pawl 23 can encounter the first spine bar 15, rack 7 can be blocked at any time after being stopped to motor 9, prevent rack 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 rise and sits.
As shown in figure 3,7 lower end of rack of the lifting gear is fixedly connected with an annulus 24.The embodiment shell can pacify In ceiling or other devices, or with ceiling etc. for shell, therefore the concrete shape of shell is omitted in Fig. 3.
Operating process is as follows：When user sits down, arm is passed through the annulus 24 of 7 lower end of rack, annulus 24 are sleeved on armpit Lower place drives user slowly to sit down by the present apparatus.When user stands, arm is passed through to the annulus 24 of 7 lower end of rack, Start motor 9, drives user slowly to stand by the present apparatus.
Embodiment three is a kind of nursing assistant device, can be used for that pregnant and lying-in women, the old and the weak patient or disabled person is helped to go to the toilet It rises and sits.
As shown in figure 4, the lifting gear main part is located at below floor, 7 upper end of rack passes through floor On hole, expose floor, 7 upper end of rack is fixedly connected with armpit support 25.Likewise, the concrete shape of shell is omitted in Fig. 4.Described The switch of motor 9 is located on the rack 7 of 25 lower section of armpit support, is connect with 9 circuit of motor by electric wire.
Operating process is as follows：When patient goes to the toilet, armpit support 25 is placed in oxter, under the action of weight, lifting gear band Dynamic patient slowly sits down.When patient stands, arm is passed through to the armpit support 25 of 7 lower end of rack, starts motor 9, by this dress It sets and patient is driven slowly to stand.
Example IV, which is a kind of tutor auxiliary platform apparatus, can be used for for the lifting for screen of imparting knowledge to students in commercial activity Presentation screen lifts.
As shown in Figure 5,6, the lifting gear is located at 26 rear of screen, fixes and connects with wall or other support constructions It connects, the rack 7 is fixedly connected with screen 26.
Further include stuck device in the present embodiment, the stuck device includes the second spine bar 27, second spine bar 27 are fixedly connected with shell 8, and the flank of tooth of the second spine bar 27 is towards the rack 7.Be equipped in the rack 7 horizontal blind hole and Vertical holes, the horizontal blind hole opening are located at rack 7 towards in the one side of the second spine bar 27, and the 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 equipped in lateral aperture, 28 one end of the second fixture block is exposed out of hole, is revealed Inclined-plane is equipped on the upside of outlet.Second spring 29 is equipped between second fixture block 28 and the cecum of horizontal blind hole.The is equipped in vertical holes Two operating levers 30, the internal diameter of vertical holes where 30 diameter of the second operating lever is equal to it, 30 lower end of the second operating lever are exposed, Upper end is equipped with inclined-plane far from 27 side of the second spine bar.Second fixture block, 28 downside is in contact with second operating lever 30 Position be equipped with the triangular groove being adapted with 30 upper end of the second operating lever, it is described it is adaptable refer to triangle Groove can just accommodate the upper end of the second operating lever 30.
Operating process is as follows：It when declining screen 26, will be pressed in the second operating lever 30, by the second operating lever 30 by second Fixture block 28 is withdrawn, and the second operating lever 30 is no longer bounced under the friction force effect of vertical holes.Under gravity, screen 26 Slowly decline.
When rising screen 26, start motor 9, drives 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, the bulk goods hopper includes funnel 34, supporting rack 35, rubber skirtboard 37, lifting gear and card Dead device.
By supporting rack 35, funnel 34 is propped up.Horizontal positioned rod-shaped buffering is equipped at 34 feed opening of funnel Device 39 effectively controls cargo and spills speed and flow, mitigates the impact to having bad luck vehicle tank.Lower end is equipped with fixed skirt 36.The rubber skirtboard 37 is nested in fixed skirt 36.The rubber skirtboard 37 can be moved up and down by lifting gear, The automobile for enabling adaptation to various different heights makes cargo fill by the collective effect of fixed skirt 36 and rubber skirtboard 37 It does not spill over, while bulk cargo floating dust can be blocked when load, reduce airborne dust, reduce air pollution.
As shown in figure 9, the lifting gear shell 8 is fixedly connected with funnel 34.The rack 7 and the rubber Skirtboard 37 is fixedly connected.
The stuck device includes third spine bar 31, and the third spine bar 31 is fixed with the fixed skirt 36 to be connected It connects, the flank of tooth of third spine bar 31 is towards the rack 7.Horizontal blind hole is equipped in the rack 7, the horizontal blind hole is opened Mouthful place is positioned at rack 7 towards in the one side of third spine bar 31.Third fixture block 32 is equipped in lateral aperture, the third fixture block 32 is Magnetic fixture block, is specifically as follows magnetic metal material or one end is fixedly connected with a magnet, and third fixture block 32 is close to third spine 31 end upper side of item is equipped with inclined-plane.The second electromagnet 33 is equipped at the cecum of the horizontal blind hole.
After second electromagnet 33 is powered, when the second electromagnet 33 is identical to opposite polarity as third fixture block 32, Third fixture block 32 is pushed out by repulsion, can be blocked rubber skirtboard 37 by third fixture block 32,31 structure of third spine bar, is prevented Only it arbitrarily falls.When needing to fall rubber skirtboard 37, the second electromagnet 33 is passed through reverse current, 33 pole of the second electromagnet Sexually revise, the third fixture block 32 is sucked by suction in hole, to rubber skirtboard 37 can free-falling, when falling to When suitable position, the second electromagnet 33, which is passed through forward current, to release third fixture block 32, and rubber skirtboard 37 is blocked.
Operating process is as follows：In use, according to the height of automobile, passing through weight by below running car to feed opening first Power declines rubber skirtboard 37, and as cargo is accumulated in compartment, the height of rubber skirtboard 37 is gradually risen by lifting gear, until It loads and completes.
Embodiment six is Medical Devices, is specifically used for the lifting of sick bed bed board.
As shown in Figure 10,11, the present embodiment includes bed body 40, the lifting gear and stuck device.
The bed body 40 is equipped 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 42 place of lifting bed board is set before, fixed bed board After direction where 44 is.
41 both ends of connecting rod are hinged with the lifting bed board 42 and rack 7 respectively.7 level of rack is put It sets.The crossbeam 43 is equipped with along the hole that 40 front-rear direction of bed body moves towards, and the rack 7 is passed through out of hole.
As shown in figure 12, the stuck device is specially：It is wide along bed body 40 that the rack 7 with crossbeam 43 is respectively provided with one The lateral aperture of trend is spent, the 4th fixture block 46 is equipped in the lateral aperture of rack 7,46 one end of the 4th fixture block is exposed, and is set on rear side of bared end There is inclined-plane.4th fixture block, 46 other end is equipped with third spring 47.On lateral aperture wherein one end of the crossbeam 43 and crossbeam 43 Hole where rack 7 is connected, and third operating lever 45 is equipped in 43 lateral aperture of crossbeam, 45 one end of third operating lever can encounter tooth Item 7, the other end exposes out of hole, is operated convenient for user.
Operating process is as follows：After lifting the rise of bed board 42, the 4th fixture block 46 is stuck in the lateral aperture on crossbeam 43 It is interior, to which rack 7 be fixed.When lifting bed board 42 needs to fall, third operating lever 45 is pressed, the 4th fixture block 46 is pushed, Under gravity, lifting bed board 42 is made slowly to fall by lifting gear.
When needing to rise lifting bed board 42, starts motor 9, moved after the rack 7, by passing through lifting gear band Dynamic bed board slowly rises.
It should be noted that the present invention particular embodiment to the present invention have been described in detail, for ability For the technical staff in domain, its various of progress is obviously changed 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 rack, motor, tooth rest, shell and multiple gears；It is described Rack place vertically, pass through shell, the rack is meshed with No.1 gear, and No.1 gear is collectively constituted with No. two gears The axis of one duplicate gear, duplicate gear is mounted on the shell；Described No. three gears of motor output axis connection, No. three Gear is meshed with No. two gears；The tooth rest is hinged with the axis where No.1 gear, No. two gears；It is described Motor be fixedly connected with tooth rest；The lower section of No. two gears is equipped with No. four gears, and No. four gears are meshed with No. two gears, No. four gears are fixedly connected with coaxial No.1 pocket-wheel；The axis of No. four gears and No.1 pocket-wheel is mounted on the shell； The tooth rest is equipped 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 pocket-wheels are located on same perpendicular, and No. two stars The sum of wheel and No. three pocket-wheel maximum radius are less than the sum of No. five gears and No. six gear compound graduation radius of circles；When tooth rest rotate to When lowest point, the wedge angle of No. two pocket-wheels and the wedge angle of No. three pocket-wheels can collide with the wedge angle of No.1 pocket-wheel； When tooth rest is rotated to highest point, the wedge angle of No. two pocket-wheels and the wedge angle of No. three pocket-wheels all cannot be with No.1 pocket-wheels Wedge angle collides；Under gravity, when nature, tooth rest is located at the lowest point of its stroke；It is above-mentioned in addition to rack Each component be respectively positioned below floor, the rack upper end passes through the hole on floor, exposes floor, rack upper end is fixedly connected Armpit support；The switch of the motor is located on the rack below armpit support, is connect with motor circuit by electric wire.
2. a kind of nursing assistant device according to claim 1, it is characterised in that：The No.1 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 the maximum gauge of No.1 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
CN201710176673.6A Active CN106821652B (en) 2015-02-16 2015-02-16 Medical standing and sitting auxiliary device
CN201710176665.1A Active CN107061654B (en) 2015-02-16 2015-02-16 Screen lifting device
CN201710176676.XA Active CN106838177B (en) 2015-02-16 2015-02-16 A kind of bulk goods hopper
CN201710176664.7A Active CN106821651B (en) 2015-02-16 2015-02-16 Liftable sickbed
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

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CN201710176673.6A Active CN106821652B (en) 2015-02-16 2015-02-16 Medical standing and sitting auxiliary device
CN201710176665.1A Active CN107061654B (en) 2015-02-16 2015-02-16 Screen lifting device
CN201710176676.XA Active CN106838177B (en) 2015-02-16 2015-02-16 A kind of bulk goods hopper
CN201710176664.7A Active CN106821651B (en) 2015-02-16 2015-02-16 Liftable sickbed

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Also Published As

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CN107061654B (en) 2021-02-19
CN106821652B (en) 2020-04-24
CN106838177A (en) 2017-06-13
CN106763594A (en) 2017-05-31
CN106838177B (en) 2019-06-25
CN106821651A (en) 2017-06-13
CN106821651B (en) 2020-04-17
CN104653735B (en) 2017-05-03
CN106821652A (en) 2017-06-13
CN106838176A (en) 2017-06-13
CN107061654A (en) 2017-08-18
CN106763594B (en) 2020-05-15
CN104653735A (en) 2015-05-27

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