CN108186226A - The self-locking sick bed that a kind of medical treatment based on transmission of changing direction uses - Google Patents
The self-locking sick bed that a kind of medical treatment based on transmission of changing direction uses Download PDFInfo
- Publication number
- CN108186226A CN108186226A CN201711382065.7A CN201711382065A CN108186226A CN 108186226 A CN108186226 A CN 108186226A CN 201711382065 A CN201711382065 A CN 201711382065A CN 108186226 A CN108186226 A CN 108186226A
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- shaft
- gear
- installation
- block
- triggering
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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
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
-
- 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
- A61G7/0528—Steering or braking devices for castor wheels
-
- 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
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
- A61G2203/72—General characteristics of devices with special adaptations, e.g. for safety or comfort for collision prevention
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- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention belongs to sick bed technical fields, more particularly to a kind of self-locking sick bed that medical treatment based on transmission of changing direction uses, it includes trigger mechanism, sick bed ontology, self-locking mechanism, when the sick bed that people are designed using the present invention, no matter user is to push forward, pull back or oblique pulling or during promotion triggering drive rod, and the movement of drive rod can all cause the 4th shaft to rotate；4th shaft rotates so that corresponding arcuate friction piece loses the constraint to limiting cylinder and rotation axis；I.e. rotation axis and second driving shaft can be freely rotated；I.e. idler wheel can be freely rotated；I.e. sick bed can be used normally.When user thinks, so that when sick bed stops, stopping driving triggering drive rod at this time so that rotation axis and second driving shaft lose rotating function；I.e. idler wheel loses rotating function；I.e. sick bed is now in stationary state.
Description
Technical field
The invention belongs to the self-locking diseases that sick bed technical field more particularly to a kind of medical treatment based on transmission of changing direction use
Bed.
Background technology
In present hospital, Mobile sickbed is often required for when transporting patient, just needs sick bed that can move at this time
It is dynamic；But just it is required that sick bed remains static after sick bed stopping；If sick bed moves at this time；It is possible to make
The patient obtained on sick bed is given a shock or collides with other articles and other patients, is pole in this way for some patients
It is not suitable for, and especially for the postoperative patient for needing to nurse of Cardiological, the vibrations of reduction patient that should be as possible prevent art
Wound afterwards splits again due to shaking, rocking.So a kind of sick bed in self-locking when sick bed remains static of design
It is necessary.
The present invention designs the self-locking sick bed that a kind of medical treatment based on transmission of changing direction uses and solves the problems, such as above.
Invention content
To solve drawbacks described above of the prior art, the present invention disclose oneself that a kind of medical treatment based on transmission of changing direction uses
Sick bed is locked, it is realized using following technical scheme.
The self-locking sick bed that a kind of medical treatment based on transmission of changing direction uses, it is characterised in that：It includes trigger mechanism, sick bed
Ontology, self-locking mechanism, wherein trigger mechanism are mounted on the upside of the baffle of sick bed ontology one end；Four self-locking mechanisms are separately mounted to
On four corners of sick bed ontology downside.
Above-mentioned trigger mechanism includes supporting block, bar, triggering mounting structure, triggering drive rod, guide pad, triggering block, tune
Locking nub, compressed spring, first gear, guide groove, the first guide groove, installation cavity, the first guide block, connecting plate, the first rack, first turn
Axis, the first notch, second gear, third gear, the 4th gear, the 5th gear, installation guide groove, the first triggering spring, second touch
Spring, the second shaft, third shaft, the 4th shaft, the 5th shaft, the first sliding block, the second sliding block, limit spring are sent out, wherein propping up
One end of bracer is provided with the guide groove of perforation；Two supporting blocks are separately mounted to the both sides of one side shield upper end of sick bed ontology；Two
A bar is uniformly mounted to the bed board between two supporting blocks and on sick bed ontology；Triggering mounting structure is connected by arch
It is formed with two mounting blocks, two mounting blocks are separately mounted to the both ends of arch connection；It triggers mounting structure and is mounted on two branch
The upper end of bracer；And two mounting blocks in triggering mounting structure are located at the both sides of two supporting blocks respectively；In two mounting blocks
Installation cavity is provided on the inside of one of mounting blocks, and the mounting blocks are provided with first on a side end face of corresponding supporting block and lack
Mouthful, the first notch coordinates with the guide groove in corresponding supporting block, and installation cavity is above and below the first notch side in the mounting blocks
It is symmetrically opened in both ends of the surface there are two the first guide groove, is opened on the lower face far from the first notch side in installation cavity in the mounting blocks
There are two installation guide grooves；One end of triggering block has inclined-plane；One end of triggering drive rod is equipped with guide pad, triggers drive rod
The other end is equipped with triggering block；Drive rod is triggered to install by guide pad and triggering block and the cooperation of guide groove in two supporting blocks
In two supporting blocks；One is separately installed between the two sides of guide pad and the two sides of the first guide groove in corresponding supporting block
Limit spring；A limiting bullet is separately installed between the two sides of triggering block and the two sides of the first guide groove in corresponding supporting block
Spring；There is inclined-plane on adjusting block；It symmetrically installs there are two the first guide block the both sides of adjusting block；Adjusting block is led by two first
Block in the installation cavity being fitted on corresponding mounting blocks of two the first guide grooves on mounting blocks；Inclined-plane on adjusting block with
Inclined-plane cooperation in triggering block；One end of connecting plate, which is mounted on adjusting block, not to be had on the side of inclined-plane one end；Connecting plate
The other end is equipped with the first rack；Pacify between side side corresponding on installation cavity far from adjusting block ramp on connecting plate
Equipped with compressed spring；One end of first rotating shaft is mounted on corresponding mounting blocks on the upper surface of installation cavity；First gear is mounted on
In first rotating shaft；First gear is engaged with the first rack；One end of 5th shaft is equipped with the second sliding block；5th shaft passes through
In two sliding blocks and corresponding mounting blocks in the installation cavity being fitted on corresponding mounting blocks of installation guide groove；Second sliding block with it is corresponding
Installation guide groove between the second triggering spring is installed；5th gear is mounted in the 5th shaft；5th gear and first gear
Cooperation；One end of second shaft is equipped with the first sliding block；Second shaft in the first sliding block and corresponding mounting blocks by installing guide groove
The installation cavity being fitted on corresponding mounting blocks in；The first triggering is installed between first sliding block and corresponding installation guide groove
Spring；Second gear is mounted in the second shaft；Second gear coordinates with first gear；Third shaft is mounted on corresponding mounting blocks
On installation cavity in；Third gear is mounted in third shaft；Third gear coordinates with second gear；The upper end peace of 4th shaft
On the corresponding mounting blocks of dress on the upper surface of installation cavity；4th gear is mounted in the 4th shaft；4th gear is nibbled with third gear
It closes；4th gear and the 5th gear coordinate.
Above-mentioned self-locking mechanism includes supporting rod, installation toroidal shell, installation U-shaped shell, idler wheel, rotation axis, the first transmission shaft, second
Transmission shaft, limiting cylinder, be telescopically connected, U-shaped driving plate, squeeze spring, arcuate friction piece, annular guide block, rotation slot, axis hole,
Annular guide channel, friction plate escape groove, third transmission shaft, the first support shaft, the first support, the 4th transmission shaft, the second support, installation
Hole, cam, the 7th shaft, third support, the lower end of wherein supporting rod is provided with rotation slot；It is provided on inner headed face on the upside of rotation slot
Two friction plate escape groove；Two friction plate escape groove are uniformly distributed up and down；Annular is provided on inner headed face on the downside of rotation slot to lead
Slot；The upper end of supporting rod is mounted on the downside of sick bed ontology on end face；The center of rotation axis has the axis hole of perforation；Outside rotation axis
Annular guide block is installed on disc；The lower end for being fitted to supporting rod that rotation axis passes through annular guide block and annular guide channel；Peace
Axis hole there are two symmetrically having is filled in the U-lag of U-shaped shell；It is communicated on the inside of two axis holes and installation U-shaped shell；The installation of U-shaped shell is installed
In the lower end of rotation axis；One end of first support shaft has cone tooth；Not there is first support shaft one end of cone tooth to be mounted on installation U
In one of axis hole on shape shell in two axis holes；There is first support shaft one end of cone tooth to pass through on installation U-shaped shell two
Another axis hole in axis hole is located on the inside of installation U-shaped shell；Idler wheel is mounted in the first support shaft, and idler wheel is located at installation U-shaped
In U-lag on shell；The both ends of 4th transmission shaft are provided with cone tooth；4th transmission shaft is mounted on installation U-shaped by the second support
The inside of shell；By boring tooth engagement between one end of 4th transmission shaft and the first support shaft；Third transmission shaft passes through the first support
Mounted on the inside of installation U-shaped shell；The other end of one end of third transmission shaft and the 4th transmission shaft is by boring tooth engagement；Second passes
One end of moving axis has cone tooth；In the axis hole of second driving shaft installation on the rotating shaft；One end of second driving shaft is passed with third
The other end of moving axis is by boring tooth engagement；The other end that cylinder is mounted on second driving shaft is limited, limiting cylinder is located at rotation slot
It is interior；It is opened on inner headed face on the outside of installation toroidal shell there are two mounting hole, two mounting holes are uniformly distributed up and down；Installation toroidal shell is mounted on
On periphery on the downside of supporting rod；Two mounting holes installed on toroidal shell coordinate with two friction plate escape groove on supporting rod；U
The side of shape driving plate is telescopically connected there are two symmetrically installing；U-shaped driving plate is telescopically connected by two with installing on toroidal shell
The inside for being fitted to installation toroidal shell of corresponding two mounting holes；The opposite side of U-shaped driving plate and circle on the inside of installation toroidal shell
Extruding spring is installed between face；Two arcuate friction pieces are separately mounted to two and are telescopically connected far from U-shaped driving plate side
End face on；Two arcuate friction pieces, two friction plate escape groove cooperation corresponding on supporting rod；Two arcuate friction pieces point
Not in limiting cylinder and rotation axis cooperation；7th shaft is mounted on by third support in installation toroidal shell；Cam is mounted on the 7th
In shaft；The one side of cam and U-lag in U-shaped driving plate coordinates.
The above-mentioned guide direction with the corresponding installation guide groove of the 5th gear is connect with first gear and the 5th gear centre
It is mutually perpendicular to；It is connect mutually with first gear and second gear center with the guide direction of the corresponding installation guide groove of second gear
Vertically.
It is connected between above-mentioned 4th shaft and the 7th shaft by flexible axle.
It is above-mentioned to be telescopically connected including flexible housing, flexible interior bar, driving spring as being further improved for this technology,
In stretch interior bar one end be mounted on U-shaped driving plate on；One end nesting of flexible housing is mounted on the other end of flexible interior bar；Peace
Driving spring is installed between flexible interior bar and flexible housing Inner end faces on the inside of flexible housing；The other end of flexible housing
Arcuate friction piece is installed.
As being further improved for this technology, above-mentioned triggering block in the initial state and adjusting block are in corresponding two limitings
Equilibrium state is under spring and the common elastic force of compressed spring.
As being further improved for this technology, installed between above-mentioned annular guide block and corresponding annular guide channel by bearing.
As being further improved for this technology, above-mentioned limit spring can draw spring for that can press；It is that triggering is driven that it, which is acted on,
Bar plays the role of return.
Relative to traditional sick bed technology, sick bed that the present invention designs can be by identifying the stress of sick bed upper push-rod
The locked state of sick bed idler wheel is controlled, so as to controlling the movement of sick bed and stopping.
Two supporting blocks are separately mounted to the both sides of one side shield upper end of sick bed ontology in the present invention；Two bars are equably
Bed board between two supporting blocks and on sick bed ontology；It triggers mounting structure and is mounted on the upper of two supporting blocks
End；One end of triggering block has inclined-plane；One end of triggering drive rod is equipped with guide pad, and the other end for triggering drive rod is equipped with
Triggering block；Triggering drive rod is fitted to two supporting blocks by guide pad and triggering block and guide groove in two supporting blocks
On；There is inclined-plane on adjusting block；Adjusting block is installed by the cooperation of two the first guide grooves on two the first guide blocks and mounting blocks
In installation cavity on corresponding mounting blocks；Between the two sides of guide pad and the two sides of the first guide groove in corresponding supporting block respectively
There are one limit springs for installation；The two sides of triggering block in corresponding supporting block between the two sides of the first guide groove with being separately installed with
One limit spring；Inclined-plane cooperation on inclined-plane and triggering block on adjusting block；One end of connecting plate is mounted on adjusting block；Even
The other end of fishplate bar is equipped with the first rack；Side side corresponding on installation cavity far from adjusting block ramp on connecting plate
Between compressed spring is installed；One end of first rotating shaft is mounted on corresponding mounting blocks on the upper surface of installation cavity；First gear
In first rotating shaft；First gear is engaged with the first rack；One end of 5th shaft is equipped with the second sliding block；5th shaft
In the installation cavity being fitted on corresponding mounting blocks by installation guide groove in the second sliding block and corresponding mounting blocks；Second sliding block
The second triggering spring is installed between corresponding installation guide groove；5th gear is mounted in the 5th shaft；5th gear and
One gear coordinates；One end of second shaft is equipped with the first sliding block；Second shaft in the first sliding block and corresponding mounting blocks by pacifying
In the installation cavity being fitted on corresponding mounting blocks for filling guide groove；The is equipped between first sliding block and corresponding installation guide groove
One triggering spring；Second gear is mounted in the second shaft；Second gear coordinates with first gear；Third shaft, which is mounted on, to be corresponded to
In installation cavity on mounting blocks；Third gear is mounted in third shaft；Third gear coordinates with second gear；4th shaft
On the corresponding mounting blocks of upper end installation on the upper surface of installation cavity；4th gear is mounted in the 4th shaft；4th gear and third
Gear engages；4th gear and the 5th gear coordinate；Triggering block and adjusting block are in corresponding two limit springs under original state
With under the common elastic force of compressed spring be in equilibrium state.When triggering drive rod by forward thrust, drive rod meeting is triggered
Triggering block is driven to be moved forward along the first guide groove in corresponding supporting block；Triggering block forward movement will push adjusting block forward
It is mobile；Adjusting block forward movement will drive connecting plate to move forward；Connecting plate, which moves forward, drives the first rack to move forward；
The forward movement of first rack will cause first gear to rotate；First gear rotation will drive second gear to rotate；Second tooth
Wheel rotation drives the rotation of third gear；The rotation of third gear drives the rotation of the 4th gear；The rotation of 4th gear drives the 4th shaft
Rotation；When triggering drive rod by pulling force backward, triggering drive rod will drive triggering block along in corresponding supporting block
First guide groove moves backward；During triggering block moves backward, adjusting block will move backward under the action of compressed spring；
Adjusting block, which moves backward, connecting plate to be driven to move backward；Connecting plate, which moves backward, drives the first rack to move backward；First
Rack moves backward will be so that first gear rotates；First gear rotation will drive the 5th gear to rotate；5th gear turns
It is dynamic to drive the rotation of the 4th gear；The rotation of 4th gear drives the rotation of the 4th shaft；When triggering drive rod is by towards adjusting block one
During the thrust of side, triggering drive block will drive triggering block to be moved towards the side for being equipped with adjusting block；Triggering block is towards installation
The side movement for having adjusting block will cause adjusting block adjusting block under the cooperation of the first guide block and the first guide groove to move forward；It adjusts
Locking nub forward movement will drive connecting plate to move forward；Connecting plate, which moves forward, drives the first rack to move forward；First tooth
Item forward movement will cause first gear to rotate；First gear rotation will drive second gear to rotate；Second gear rotates
Drive the rotation of third gear；The rotation of third gear drives the rotation of the 4th gear；The rotation of 4th gear drives the rotation of the 4th shaft；When
Trigger drive rod by far from adjusting block side pulling force when, triggering drive block will drive triggering block away from be equipped with adjust
The side movement of locking nub；Triggering block away from the side movement for being equipped with adjusting block will cause adjusting block the first guide block with
So that adjusting block moves backward under the cooperation of first guide groove；Adjusting block, which moves backward, connecting plate to be driven to move backward；Connection
Plate, which moves backward, drives the first rack to move backward；First rack moves backward will be so that first gear rotates；First gear
Rotation will drive the 5th gear to rotate；The rotation of 5th gear drives the rotation of the 4th gear；The rotation of 4th gear drives the 4th turn
Shaft rotation is moved.When first gear drives the rotation of the 5th gear, first gear can cause the second tooth to one extruding force of second gear
Wheel drives the second shaft to be moved along corresponding installation guide groove away from the side of first gear；Cause second gear and first
Gear and third are out of gear；I.e. the rotation of the 4th gear will not influence the rotation of first gear in turn at this time；When the first tooth
When wheel drives second gear rotation, first gear can cause the 5th gear to drive the 5th shaft edge to one extruding force of the 5th gear
It moves the side that corresponding installation guide groove away from first gear；So that the 5th gear takes off with first gear and the 4th gear
It opens；I.e. the rotation of the 4th gear will not influence the rotation of first gear in turn at this time.
The side of U-shaped driving plate is symmetrically installed there are two being telescopically connected in the present invention；U-shaped driving plate is flexible by two
Connect the inside for being fitted to installation toroidal shell with corresponding two mounting holes on installation toroidal shell；The opposite side of U-shaped driving plate
With being equipped with extruding spring between disc on the inside of installation toroidal shell；Two arcuate friction pieces are separately mounted to two and are telescopically connected far
On end face from U-shaped driving plate side；Two arcuate friction pieces, two friction plate escape groove cooperation corresponding on supporting rod；Two
A arcuate friction piece is respectively at limiting cylinder and rotation axis cooperation；7th shaft is mounted on by third support in installation toroidal shell；
Cam is mounted in the 7th shaft；The one side of cam and U-lag in U-shaped driving plate coordinates；4th shaft and the 7th shaft it
Between connected by flexible axle；It can be rotated when the 4th shaft rotates the 7th shaft when the 7th shaft of drive rotates with moving cam；Cam turns
It is dynamic that corresponding U-shaped driving plate will be pushed to be moved away from the side of limiting cylinder；The movement of U-shaped driving plate drives corresponding two
It is a be telescopically connected in flexible interior bar away from limiting cylinder side move；Two flexible interior bars are away from limiting cylinder
Side movement corresponding two arcuate friction pieces will be caused to lose squeezing action of the corresponding driving spring to it.
The upper end of supporting rod is mounted on the downside of sick bed ontology on end face in the present invention；Rotation axis passes through annular guide block and annular
The lower end for being fitted to supporting rod of guide groove；The lower end that U-shaped shell is mounted on rotation axis is installed；One end of first support shaft has
Bore tooth；Not there is first support shaft one end of cone tooth to be mounted in one of axis hole on installation U-shaped shell in two axis holes；The
There is one support shaft one end of cone tooth another axis hole on installation U-shaped shell in two axis holes to be passed through to be located on the inside of installation U-shaped shell；
Idler wheel is mounted in the first support shaft, and idler wheel is located in the U-lag on installation U-shaped shell；The both ends of 4th transmission shaft are provided with
Bore tooth；4th transmission shaft is mounted on the inside of installation U-shaped shell by the second support；One end of 4th transmission shaft and the first support shaft
Between by boring tooth engagement；Third transmission shaft is mounted on the inside of installation U-shaped shell by the first support；One end of third transmission shaft
The other end with the 4th transmission shaft is by boring tooth engagement；One end of second driving shaft has cone tooth；Second driving shaft, which is mounted on, to be turned
In axis hole on moving axis；One end of second driving shaft is with the other end of third transmission shaft by boring tooth engagement；Limit cylinder installation
In the other end of second driving shaft, limiting cylinder is located in rotation slot；Idler wheel can drive the first support shaft rotation when idler wheel rotates
It is dynamic；The rotation of first support shaft drives the rotation of the 4th transmission shaft；The rotation of 4th transmission shaft drives the rotation of third transmission shaft；Third is driven
Shaft rotation, which is moved, drives second driving shaft rotation；Second driving shaft rotation drives limiting cylinder rotation；In idler wheel rolling process, if
When the rotation direction of idler wheel changes, idler wheel can drive installation U-shaped shell and rotation axis to be rotated around the axis of rotation axis.
The effect that spring is squeezed in the present invention is so that corresponding U-shaped driving plate is remained with cam and contacted.
When the sick bed that people are designed using the present invention, no matter user is to push forward, pull back or oblique drawing
During dynamic or promotion triggering drive rod, the movement of drive rod can all cause the 4th shaft to rotate；When the 4th shaft rotates the 4th turn
Axis can drive the 7th shaft to rotate；The rotation of 7th shaft can band moving cam rotation；Cam rotation will push corresponding U-shaped to drive
Plate is moved away from the side of limiting cylinder；U-shaped driving plate movement drive it is corresponding two be telescopically connected in flexible interior bar
It is moved away from the side of limiting cylinder；Two flexible interior bars will cause two away from the side movement of limiting cylinder
Arcuate friction piece loses squeezing action of the corresponding driving spring to it.Two arcuate friction pieces will be caused to lose to limiting at this time
The constraint of cylinder and rotation axis；I.e. rotation axis and second driving shaft can be freely rotated；I.e. idler wheel can be freely rotated；That is sick bed
It can be used normally.When user thinks, so that when sick bed stops, stopping driving triggering drive rod at this time, triggering drive rod is in correspondence
It is restored on original position under the collective effect of compressed spring and limit spring；I.e. adjusting block is restored on original position；
I.e. corresponding cam is restored on original position；At this time so that corresponding arcuate friction piece under the action of corresponding driving spring
Position-limiting action is played to corresponding limiting cylinder and rotation axis；So that rotation axis and second driving shaft lose rotating function；Roll
Wheel loses rotating function；I.e. sick bed is now in stationary state.
Description of the drawings
Fig. 1 is global facility appearance diagram.
Fig. 2 is global facility distribution schematic diagram.
Fig. 3 is trigger mechanism structure diagram.
Fig. 4 is trigger mechanism internal structure schematic diagram.
Fig. 5 is triggering block scheme of installation.
Fig. 6 is triggering mounting structure structure diagram.
Fig. 7 is the first guide groove distribution schematic diagram.
Fig. 8 is support block structure schematic diagram.
Fig. 9 is adjusting block structure diagram.
Figure 10 is second gear and first gear cooperation schematic diagram.
Figure 11 is first gear scheme of installation.
Figure 12 is second gear scheme of installation.
Figure 13 is the 5th gear scheme of installation.
Figure 14 is self-locking mechanism appearance diagram.
Figure 15 is self-locking mechanism internal structure schematic diagram.
Figure 16 is self-locking mechanism internal structure scheme of installation.
Figure 17 is rotation axis scheme of installation.
Figure 18 is annular guide block scheme of installation.
Figure 19 is supporting bar structure schematic diagram.
Figure 20 is idler wheel scheme of installation.
Figure 21 is limiting cylinder scheme of installation.
Figure 22 is the 4th transmission shaft scheme of installation.
Figure 23 is arcuate friction piece and limiting cylinder is matched and schematic diagram.
Figure 24 is mounting ring shell structure schematic diagram.
Figure 25 is arcuate friction piece scheme of installation.
Figure 26 is to be telescopically connected structure diagram.
Figure label title：1st, trigger mechanism；2nd, sick bed ontology；3rd, self-locking mechanism；4th, supporting block；5th, bar；6th, it triggers
Mounting structure；7th, drive rod is triggered；8th, guide pad；9th, triggering block；10th, adjusting block；11st, compressed spring；12nd, second gear；13、
Third gear；14th, the 4th gear；15th, the 5th gear；16th, first gear；17th, arch connects；18th, mounting blocks；19th, it first lacks
Mouthful；20th, the first guide groove；The 21st, guide groove is installed；22nd, installation cavity；23rd, guide groove；24th, the first guide block；25th, connecting plate；26th, first
Rack；27th, the first triggering spring；28th, the second triggering spring；29th, the second shaft；30th, third shaft；31st, the 4th shaft；32、
5th shaft；33rd, first rotating shaft；34th, the first sliding block；35th, the second sliding block；36th, supporting rod；The 37th, toroidal shell is installed；The 38th, U-shaped is installed
Shell；39th, idler wheel；40th, rotation axis；41st, the first transmission shaft；42nd, second driving shaft；43rd, cylinder is limited；44th, it is telescopically connected；45、U
Shape driving plate；46th, spring is squeezed；47th, cam；48th, arcuate friction piece；49th, annular guide block；50th, rotation slot；51st, axis hole；52、
Annular guide channel；53rd, friction plate escape groove；54th, third transmission shaft；55th, the first support shaft；56th, the first support；57th, the 4th transmission
Axis；58th, the second support；59th, mounting hole；60th, third supports；61st, the 7th shaft；62nd, stretch housing；63rd, flexible interior bar；64、
Driving spring；86th, limit spring.
Specific embodiment
As shown in Figure 1, 2, it includes trigger mechanism 1, sick bed ontology 2, self-locking mechanism 3, and wherein trigger mechanism 1 is mounted on disease
On the upside of the baffle of 2 one end of bed ontology；Four self-locking mechanisms 3 are separately mounted on four corners of 2 downside of sick bed ontology.
As shown in figure 3, above-mentioned trigger mechanism 1 includes supporting block 4, bar 5, triggering mounting structure 6, triggering drive rod 7, leads
To block 8, triggering block 9, adjusting block 10, compressed spring 11, first gear 16, guide groove 23, the first guide groove 20, installation cavity 22,
One guide block 24, connecting plate 25, the first rack 26, first rotating shaft 33, the first notch 19, second gear 12, third gear the 13, the 4th
Gear 14, the 5th gear 15, installation guide groove 21, first trigger spring 27, second and trigger spring 28, the second shaft 29, third turn
Axis 30, the 4th shaft 31, the 5th shaft 32, the first sliding block 34, the second sliding block 35, limit spring 86, wherein as shown in figure 8, branch
One end of bracer 4 is provided with the guide groove 23 of perforation；Two supporting blocks 4 are separately mounted to the two of 2 one side shield upper end of sick bed ontology
Side；Two bars 5 are uniformly mounted to the bed board between two supporting blocks 4 and on sick bed ontology 2；As shown in fig. 6, triggering
Mounting structure 6 is made of arch connection 17 and two mounting blocks 18, and two mounting blocks 18 are separately mounted to the two of arch connection 17
End；Trigger the upper end that mounting structure 6 is mounted on two supporting blocks 4；And two mounting blocks 18 difference position in triggering mounting structure 6
In the both sides of two supporting blocks 4；As shown in fig. 7, the inside of one of mounting blocks 18 is provided with installation cavity in two mounting blocks 18
22, and the mounting blocks 18 are provided with the first notch 19, the first notch 19 and corresponding support on a side end face of corresponding supporting block 4
Guide groove 23 on block 4 coordinates, and installation cavity 22 is symmetrical in the upper and lower ends face of 19 side of the first notch in the mounting blocks 18
Ground is opened there are two the first guide groove 20, and two are provided on the lower face far from 19 side of the first notch in installation cavity 22 in the mounting blocks 18
A installation guide groove 21；One end of triggering block 9 has inclined-plane；As shown in figure 4, one end of triggering drive rod 7 is equipped with guide pad 8,
The other end of triggering drive rod 7 is equipped with triggering block 9；Triggering drive rod 7 passes through guide pad 8 and triggering block 9 and two supporting blocks 4
Upper guide groove 23 is fitted in two supporting blocks 4；The two sides of guide pad 8 and the first guide groove 20 in corresponding supporting block 4
Two sides between be separately installed with a limit spring 86；The two sides of triggering block 9 and the first guide groove 20 in corresponding supporting block 4
Two sides between be separately installed with a limit spring 86；There is inclined-plane on adjusting block 10；As shown in figure 9, adjusting block 10
It symmetrically installs there are two the first guide block 24 both sides；As shown in figure 5, adjusting block 10 passes through two the first guide blocks 24 and mounting blocks 18
On two the first guide grooves 20 the installation cavity 22 being fitted on corresponding mounting blocks 18 in；Inclined-plane on adjusting block 10 is with touching
Send out the inclined-plane cooperation on block 9；As shown in figure 9, one end of connecting plate 25 is mounted on the side on adjusting block 10 without inclined-plane one end
On face；The other end of connecting plate 25 is equipped with the first rack 26；Side and peace far from 10 ramp of adjusting block on connecting plate 25
It behave affectedly on 22 and compressed spring 11 is installed between corresponding side；As shown in figure 5, one end of first rotating shaft 33 is mounted on corresponding pacify
It fills on block 18 on the upper surface of installation cavity 22；As shown in figure 11, first gear 16 is mounted in first rotating shaft 33；Such as Figure 10 institutes
Show, first gear 16 is engaged with the first rack 26；As shown in figure 13, one end of the 5th shaft 32 is equipped with the second sliding block 35；The
Five shafts 32 are fitted to by installation guide groove 21 in the second sliding block 35 and corresponding mounting blocks 18 on corresponding mounting blocks 18
In installation cavity 22；Second triggering spring 28 is installed between second sliding block 35 and corresponding installation guide groove 21；5th gear 15 is pacified
In the 5th shaft 32；As shown in figure 11, the 5th gear 15 coordinates with first gear 16；As shown in figure 12, the second shaft 29
One end the first sliding block 34 is installed；Second shaft 29 in the first sliding block 34 and corresponding mounting blocks 18 by installing matching for guide groove 21
It closes in the installation cavity 22 being mounted on corresponding mounting blocks 18；First is equipped between first sliding block 34 and corresponding installation guide groove 21
Trigger spring 27；Second gear 12 is mounted in the second shaft 29；Second gear 12 coordinates with first gear 16；Such as Figure 11 institutes
Show, third shaft 30 is mounted in the installation cavity 22 on corresponding mounting blocks 18；Third gear 13 is mounted in third shaft 30；The
Three gears 13 coordinate with second gear 12；The upper surface of installation cavity 22 on the corresponding mounting blocks 18 of upper end installation of 4th shaft 31
On；4th gear 14 is mounted in the 4th shaft 31；As shown in Figure 10, the 4th gear 14 is engaged with third gear 13；4th tooth
Wheel 14 coordinates with the 5th gear 15.
As shown in figure 14, above-mentioned self-locking mechanism 3 includes supporting rod 36, installation toroidal shell 37, installation U-shaped shell 38, idler wheel 39, turns
Moving axis 40, second driving shaft 42, limiting cylinder 43, is telescopically connected 44, U-shaped driving plate 45, squeezes spring first transmission shaft 41
46th, arcuate friction piece 48, annular guide block 49, rotation slot 50, axis hole 51, annular guide channel 52, friction plate escape groove 53, third transmission
Axis 54, the first support shaft 55, first support the 56, the 4th transmission shaft 57, second support 58, mounting hole 59, cam 47, the 7th shaft
61st, third support 60, wherein as shown in figure 19, the lower end of supporting rod 36 is provided with rotation slot 50；The inner headed face of 50 upside of rotation slot
On open there are two friction plate escape groove 53；Two friction plate escape groove are uniformly distributed about 53；The inner headed face of 50 downside of rotation slot
On be provided with annular guide channel 52；As shown in Figure 1, the upper end of supporting rod 36 is mounted on 2 downside end face of sick bed ontology；Such as Figure 18 institutes
Show, the center of rotation axis 40 has the axis hole 51 of perforation；Annular guide block 49 is installed on the periphery of rotation axis 40；Such as Figure 17 institutes
Show, the lower end for being fitted to supporting rod 36 that rotation axis 40 passes through annular guide block 49 and annular guide channel 52；As shown in figure 22, pacify
Axis hole 51 there are two symmetrically having is filled in the U-lag of U-shaped shell 38；Two axis holes 51 are communicated with 38 inside of installation U-shaped shell；Such as Figure 20
Shown, installation U-shaped shell 38 is mounted on the lower end of rotation axis 40；As shown in figure 22, one end of the first support shaft 55 has cone tooth；The
Not there is one support shaft 55 one end of cone tooth to be mounted in one of axis hole 51 on installation U-shaped shell 38 in two axis holes 51；
There is first support shaft 55 one end of cone tooth another axis hole 51 on installation U-shaped shell 38 in two axis holes 51 to be passed through to be located at installation
38 inside of U-shaped shell；As shown in figure 21, idler wheel 39 is mounted in the first support shaft 55, and idler wheel 39 is located on installation U-shaped shell 38
In U-lag；The both ends of 4th transmission shaft 57 are provided with cone tooth；As shown in figure 22, the 4th transmission shaft 57 passes through 58 peace of the second support
Mounted in the inside of installation U-shaped shell 38；By boring tooth engagement between one end of 4th transmission shaft 57 and the first support shaft 55；Third passes
Moving axis 54 is mounted on the inside of installation U-shaped shell 38 by the first support 56；One end of third transmission shaft 54 and the 4th transmission shaft 57
The other end by boring tooth engagement；One end of second driving shaft 42 has cone tooth；Second driving shaft 42 is mounted in rotation axis 40
Axis hole 51 in；One end of second driving shaft 42 is with the other end of third transmission shaft 54 by boring tooth engagement；As shown in figure 23, it limits
Circle of position column 43 is mounted on the other end of second driving shaft 42, and limiting cylinder 43 is located in rotation slot 50；As shown in figure 24, mounting ring
It is opened on the inner headed face in 37 outside of shell there are two mounting hole 59, two mounting holes are uniformly distributed about 59；Installation toroidal shell 37 is mounted on
On the periphery of 36 downside of supporting rod；Two mounting holes 59 installed on toroidal shell 37 are avoided with two friction plates on supporting rod 36
Slot 53 coordinates；As shown in figure 25, the side of U-shaped driving plate 45 is symmetrically installed there are two being telescopically connected 44；U-shaped driving plate 45 is logical
It crosses two and is telescopically connected 44 insides for being fitted to installation toroidal shell 37 with corresponding two mounting holes 59 on installation toroidal shell 37；
It is equipped between the opposite side of U-shaped driving plate 45 and installation 37 inside disc of toroidal shell and squeezes spring 46；Two arcuate friction pieces 48
It is separately mounted on two end faces being telescopically connected far from 45 side of U-shaped driving plate on 44；Two arcuate friction pieces 48 and support
Corresponding two friction plate escape groove 53 coordinate on bar 36；As shown in Figure 15,16, two arcuate friction pieces 48 are justified respectively at limiting
Column 43 and rotation axis 40 coordinate；7th shaft 61 is mounted on by third support 60 in installation toroidal shell 37；Cam 47 is mounted on the
In seven shafts 61；Cam 47 and the one side of U-lag in U-shaped driving plate 45 coordinate.
Above-mentioned guide direction and 16 and the 5th gear 15 of first gear with 15 corresponding installation guide groove 21 of the 5th gear
Center connection is mutually perpendicular to；With the guide direction and 16 and second tooth of first gear of the corresponding installation guide groove 21 of second gear 12
The connection of 12 centers is taken turns to be mutually perpendicular to.
It is connected between above-mentioned 4th shaft 31 and the 7th shaft 61 by flexible axle.
As shown in figure 26, it is above-mentioned to be telescopically connected 44 and include flexible housing 62, flexible interior bar 63, driving spring 64, wherein stretching
One end of contracting interior bar 63 is mounted in U-shaped driving plate 45；One end nesting of flexible housing 62 is mounted on the another of flexible interior bar 63
End；Driving spring 64 is installed between the 62 Inner end faces of flexible interior bar 63 and flexible housing of flexible 62 inside of housing；It stretches
The other end of contracting housing 62 is equipped with arcuate friction piece 48.
Above-mentioned triggering block in the initial state 9 and adjusting block 10 are in corresponding two limit springs 86 and compressed spring 11
Equilibrium state is under common elastic force.
It is installed between above-mentioned annular guide block 49 and corresponding annular guide channel 52 by bearing.
Above-mentioned limit spring 86 can draw spring for that can press；It is to play the role of return to triggering drive rod 7 that it, which is acted on,.
In summary：
The sick bed that the present invention designs can control the locking shape of sick bed idler wheel 39 by identifying the stress of sick bed upper push-rod
State, so as to control the movement of sick bed and stopping.
Two supporting blocks 4 are separately mounted to the both sides of 2 one side shield upper end of sick bed ontology in the present invention；Two bars 5 are equal
It is mounted on the bed board between two supporting blocks 4 and on sick bed ontology 2 evenly；It triggers mounting structure 6 and is mounted on two supports
The upper end of block 4；One end of triggering block 9 has inclined-plane；One end of triggering drive rod 7 is equipped with guide pad 8, triggering drive rod 7
The other end is equipped with triggering block 9；Triggering drive rod 7 passes through guide groove 23 in guide pad 8 and triggering block 9 and two supporting blocks 4
It is fitted in two supporting blocks 4；There is inclined-plane on adjusting block 10；Adjusting block 10 passes through two the first guide blocks 24 and mounting blocks
In the installation cavity 22 being fitted on corresponding mounting blocks 18 of two the first guide grooves 20 on 18；The two sides of guide pad 8 with
In corresponding supporting block 4 limit spring 86 is separately installed between the two sides of first guide groove 20；The two sides of triggering block 9 with
In corresponding supporting block 4 limit spring 86 is separately installed between the two sides of first guide groove 20；Inclined-plane on adjusting block 10
Coordinate with the inclined-plane in triggering block 9；One end of connecting plate 25 is mounted on adjusting block 10；The other end of connecting plate 25 is equipped with
One rack 26；Pressure is installed between side side corresponding on installation cavity 22 far from 10 ramp of adjusting block on connecting plate 25
Contracting spring 11；One end of first rotating shaft 33 is mounted on corresponding mounting blocks 18 on the upper surface of installation cavity 22；First gear 16 is pacified
In first rotating shaft 33；First gear 16 is engaged with the first rack 26；One end of 5th shaft 32 is equipped with the second sliding block 35；
5th shaft 32 is fitted to by installation guide groove 21 in the second sliding block 35 and corresponding mounting blocks 18 on corresponding mounting blocks 18
Installation cavity 22 in；Second triggering spring 28 is installed between second sliding block 35 and corresponding installation guide groove 21；5th gear 15
In the 5th shaft 32；5th gear 15 coordinates with first gear 16；One end of second shaft 29 is equipped with the first sliding block
34；Second shaft 29 is fitted to corresponding mounting blocks 18 by installation guide groove 21 in the first sliding block 34 and corresponding mounting blocks 18
On installation cavity 22 in；First triggering spring 27 is installed between first sliding block 34 and corresponding installation guide groove 21；Second gear
12 are mounted in the second shaft 29；Second gear 12 coordinates with first gear 16；Third shaft 30 is mounted on corresponding mounting blocks 18
On installation cavity 22 in；Third gear 13 is mounted in third shaft 30；Third gear 13 coordinates with second gear 12；4th turn
On the corresponding mounting blocks 18 of upper end installation of axis 31 on the upper surface of installation cavity 22；4th gear 14 is mounted in the 4th shaft 31；
4th gear 14 is engaged with third gear 13；4th gear 14 coordinates with the 5th gear 15；Triggering block 9 and adjusting under original state
Block 10 is in equilibrium state under the common elastic force of corresponding two limit springs 86 and compressed spring 11.When triggering drive rod 7
During by forward thrust, triggering drive rod 7 can drive triggering block 9 along the first guide groove 20 in corresponding supporting block 4 to Forward
It is dynamic；The forward movement of triggering block 9 will push adjusting block 10 to move forward；Adjusting block 10 forward movement will drive connecting plate 25 to
Preceding movement；Connecting plate 25, which moves forward, drives the first rack 26 to move forward；The forward movement of first rack 26 will cause first
Gear 16 rotates；The rotation of first gear 16 will drive second gear 12 to rotate；The rotation of second gear 12 drives third gear 13
Rotation；The rotation of third gear 13 drives the 4th gear 14 to rotate；The rotation of 4th gear 14 drives the 4th shaft 31 to rotate；Work as triggering
When drive rod 7 is by pulling force backward, triggering drive rod 7 will drive triggering block 9 along the first guide groove in corresponding supporting block 4
20 move backward；During triggering block 9 moves backward, adjusting block 10 will move backward under the action of compressed spring 11；
Adjusting block 10, which moves backward, will drive connecting plate 25 to move backward；Connecting plate 25, which moves backward, drives the first rack 26 to move back
It is dynamic；First rack 26 moves backward will be so that first gear 16 rotates；The rotation of first gear 16 will drive the 5th gear 15
Rotation；The rotation of 5th gear 15 drives the 4th gear 14 to rotate；The rotation of 4th gear 14 drives the 4th shaft 31 to rotate；Work as triggering
When drive rod 7 is by thrust towards 10 side of adjusting block, triggering drive block will drive triggering block 9 towards being equipped with adjusting block
10 side movement；Triggering block 9 will cause adjusting block 10 in the first guide block 24 towards the side movement for being equipped with adjusting block 10
Adjusting block 10 moves forward under cooperation with the first guide groove 20；The forward movement of adjusting block 10 will drive connecting plate 25 to Forward
It is dynamic；Connecting plate 25, which moves forward, drives the first rack 26 to move forward；The forward movement of first rack 26 will cause first gear
16 rotations；The rotation of first gear 16 will drive second gear 12 to rotate；The rotation of second gear 12 drives third gear 13 to rotate；
The rotation of third gear 13 drives the 4th gear 14 to rotate；The rotation of 4th gear 14 drives the 4th shaft 31 to rotate；When triggering drives
When bar 7 is by pulling force far from 10 side of adjusting block, triggering drive block will drive triggering block 9 away from being equipped with adjusting block
10 side movement；Triggering block 9 will be so that adjusting block 10 be led first away from the side movement for being equipped with adjusting block 10
Block 24 under the cooperation of the first guide groove 20 with causing adjusting block 10 to move backward；Adjusting block 10, which moves backward, will drive connecting plate 25
It moves backward；Connecting plate 25, which moves backward, drives the first rack 26 to move backward；First rack 26, which moves backward, will cause
One gear 16 rotates；The rotation of first gear 16 will drive the 5th gear 15 to rotate；The rotation of 5th gear 15 drives the 4th gear
14 rotations；The rotation of 4th gear 14 drives the 4th shaft 31 to rotate.When first gear 16 drives the rotation of the 5th gear 15, first
Gear 16 can cause second gear 12 to drive the second shaft 29 along corresponding installation guide groove to 12 1 extruding forces of second gear
21 away from first gear 16 side move；So that second gear 12 is disengaged with first gear 16 and third gear 13；I.e.
The rotation of the 4th gear 14 will not influence the rotation of first gear 16 in turn at this time；When first gear 16 drives second gear 12
During rotation, first gear 16 can cause the 5th gear 15 to drive the 5th shaft 32 along correspondence to 15 1 extruding forces of the 5th gear
Installation guide groove 21 away from first gear 16 side move；So that the 5th gear 15 and 16 and the 4th gear of first gear
14 disengage；I.e. the rotation of the 4th gear 14 will not influence the rotation of first gear 16 in turn at this time.
The side of U-shaped driving plate 45 is symmetrically installed there are two being telescopically connected 44 in the present invention；U-shaped driving plate 45 passes through two
It is a to be telescopically connected 44 insides for being fitted to installation toroidal shell 37 with corresponding two mounting holes 59 on installation toroidal shell 37；U-shaped
It is equipped between the opposite side of driving plate 45 and installation 37 inside disc of toroidal shell and squeezes spring 46；Two arcuate friction pieces 48 are distinguished
On the end face being telescopically connected mounted on two far from 45 side of U-shaped driving plate on 44；Two arcuate friction pieces 48 and supporting rod 36
Upper corresponding two friction plate escape groove 53 coordinate；Two arcuate friction pieces 48 are matched respectively at limiting cylinder 43 and rotation axis 40
It closes；7th shaft 61 is mounted on by third support 60 in installation toroidal shell 37；Cam 47 is mounted in the 7th shaft 61；Cam 47
Coordinate with the one side of U-lag in U-shaped driving plate 45；It is connected between 4th shaft 31 and the 7th shaft 61 by flexible axle；When
The 7th shaft 61 can be rotated with moving cam 47 when the rotation of four shafts 31 drives the rotation of the 7th shaft 61；The rotation of cam 47 will push
Corresponding U-shaped driving plate 45 is moved away from the side of limiting cylinder 43；The movement of U-shaped driving plate 45 drives corresponding two and stretches
Flexible interior bar 63 in contracting connection 44 is moved away from the side of limiting cylinder 43；Two be telescopically connected interior bar 63 away from
The side movement of limiting cylinder 43 will cause two arcuate friction pieces 48 to lose corresponding driving spring 64 to its squeezing action.
The upper end of supporting rod 36 is mounted on 2 downside end face of sick bed ontology in the present invention；Rotation axis 40 passes through annular guide block
49 with the lower end for being fitted to supporting rod 36 of annular guide channel 52；The lower end that U-shaped shell 38 is mounted on rotation axis 40 is installed；First
One end of support shaft 55 has cone tooth；Not there is first support shaft 55 one end of cone tooth to be mounted on two axis on installation U-shaped shell 38
In one of axis hole 51 in hole 51；There is first support shaft 55 one end of cone tooth to pass through two axis holes on installation U-shaped shell 38
Another axis hole 51 in 51 is located at 38 inside of installation U-shaped shell；Idler wheel 39 is mounted in the first support shaft 55, and idler wheel 39 is located at
It installs in the U-lag on U-shaped shell 38；The both ends of 4th transmission shaft 57 are provided with cone tooth；4th transmission shaft 57 passes through the second support
58 are mounted on the inside of installation U-shaped shell 38；By boring tooth engagement between one end of 4th transmission shaft 57 and the first support shaft 55；The
Three transmission shafts 54 are mounted on the inside of installation U-shaped shell 38 by the first support 56；One end of third transmission shaft 54 and the 4th transmission
The other end of axis 57 is by boring tooth engagement；One end of second driving shaft 42 has cone tooth；Second driving shaft 42 is mounted on rotation axis
In axis hole 51 on 40；One end of second driving shaft 42 is with the other end of third transmission shaft 54 by boring tooth engagement；Limit cylinder
43 are mounted on the other end of second driving shaft 42, and limiting cylinder 43 is located in rotation slot 50；39 meeting of idler wheel when idler wheel 39 rotates
The first support shaft 55 is driven to rotate；The rotation of first support shaft 55 drives the 4th transmission shaft 57 to rotate；4th transmission shaft 57 rotates band
Dynamic third transmission shaft 54 rotates；The rotation of third transmission shaft 54 drives second driving shaft 42 to rotate；The rotation of second driving shaft 42 drives
Limiting cylinder 43 rotates；In 39 rolling process of idler wheel, if the rotation direction of idler wheel 39 changes, idler wheel 39 can drive installation
U-shaped shell 38 and rotation axis 40 are rotated around the axis of rotation axis 40.
The effect that spring 46 is squeezed in the present invention is so that corresponding U-shaped driving plate 45 is remained with cam 39 and contacted.
Specific embodiment：When the sick bed that people are designed using the present invention, no matter user is to push forward, pull back
When dynamic or oblique pulling or promotion triggering drive rod 7, the movement of drive rod all can cause the 4th shaft 31 to rotate；When the 4th turn
The 4th shaft 31 can drive the 7th shaft 61 to rotate when axis 31 rotates；The rotation of 7th shaft 61 can be rotated with moving cam 47；Cam
47 rotations will push corresponding U-shaped driving plate 45 to be moved away from the side of limiting cylinder 43；U-shaped driving plate 45 moves band
It moves the side that the corresponding two flexible interior bars 63 being telescopically connected in 44 are moved away from limiting cylinder 43；Two are telescopically connected
Interior bar 63 will cause two arcuate friction pieces 48 to lose corresponding driving spring 64 away from the side movement of limiting cylinder 43
To its squeezing action.Two arcuate friction pieces 48 will be caused to lose the constraint to limiting cylinder 43 and rotation axis 40 at this time；
That is rotation axis 40 and second driving shaft 42 can be freely rotated；I.e. idler wheel 39 can be freely rotated；I.e. sick bed can be used normally.
When user thinks, so that when sick bed stops, stopping driving triggering drive rod 7 at this time, triggering drive rod 7 is in corresponding compressed spring 11
It is restored on original position under the collective effect of limit spring 86；I.e. adjusting block 10 is restored on original position；I.e. pair
The cam 47 answered is restored on original position；At this time so that corresponding arcuate friction piece under the action of corresponding driving spring 64
48 pairs of corresponding limiting cylinders 43 and rotation axis 40 play position-limiting action；So that rotation axis 40 and second driving shaft 42 lose rotation
Function；I.e. idler wheel 39 loses rotating function；I.e. sick bed is now in stationary state.
Claims (5)
1. a kind of self-locking sick bed that medical treatment based on transmission of changing direction uses, it is characterised in that：It includes trigger mechanism, sick bed sheet
Body, self-locking mechanism, wherein trigger mechanism are mounted on the upside of the baffle of sick bed ontology one end；Four self-locking mechanisms are separately mounted to disease
On four corners of bed ontology downside；
Above-mentioned trigger mechanism include supporting block, bar, triggering mounting structure, triggering drive rod, guide pad, triggering block, adjusting block,
Compressed spring, first gear, guide groove, the first guide groove, installation cavity, the first guide block, connecting plate, the first rack, first rotating shaft,
One notch, second gear, third gear, the 4th gear, the 5th gear, installation guide groove, the first triggering spring, the second triggering bullet
Spring, the second shaft, third shaft, the 4th shaft, the 5th shaft, the first sliding block, the second sliding block, wherein limit spring, supporting block
One end be provided with the guide groove of perforation；Two supporting blocks are separately mounted to the both sides of one side shield upper end of sick bed ontology；Two gears
Bar is uniformly mounted to the bed board between two supporting blocks and on sick bed ontology；Mounting structure is triggered by arch connection and two
A mounting blocks composition, two mounting blocks are separately mounted to the both ends of arch connection；It triggers mounting structure and is mounted on two supporting blocks
Upper end；And two mounting blocks in triggering mounting structure are located at the both sides of two supporting blocks respectively；In two mounting blocks wherein
Installation cavity is provided on the inside of one mounting blocks, and the mounting blocks are provided with the first notch on a side end face of corresponding supporting block,
First notch coordinates with the guide groove in corresponding supporting block, and installation cavity is close to the upper and lower ends of the first notch side in the mounting blocks
It is symmetrically opened on face there are two the first guide groove, two is provided on the lower face far from the first notch side in installation cavity in the mounting blocks
A installation guide groove；One end of triggering block has inclined-plane；One end of triggering drive rod is equipped with guide pad, triggers the another of drive rod
End is equipped with triggering block；Triggering drive rod is fitted to two by guide pad and triggering block and guide groove in two supporting blocks
In a supporting block；A limiting is separately installed between the two sides of guide pad and the two sides of the first guide groove in corresponding supporting block
Spring；A limit spring is separately installed between the two sides of triggering block and the two sides of the first guide groove in corresponding supporting block；
There is inclined-plane on adjusting block；It symmetrically installs there are two the first guide block the both sides of adjusting block；Adjusting block passes through two the first guide blocks
In the installation cavity being fitted on corresponding mounting blocks of two the first guide grooves on mounting blocks；Inclined-plane on adjusting block is with touching
Send out the inclined-plane cooperation on block；One end of connecting plate, which is mounted on adjusting block, not to be had on the side of inclined-plane one end；Connecting plate it is another
One end is equipped with the first rack；It is installed between side side corresponding on installation cavity far from adjusting block ramp on connecting plate
There is compressed spring；One end of first rotating shaft is mounted on corresponding mounting blocks on the upper surface of installation cavity；First gear is mounted on the
In one shaft；First gear is engaged with the first rack；One end of 5th shaft is equipped with the second sliding block；5th shaft passes through second
In sliding block and corresponding mounting blocks in the installation cavity being fitted on corresponding mounting blocks of installation guide groove；Second sliding block with it is corresponding
The second triggering spring is installed between installation guide groove；5th gear is mounted in the 5th shaft；5th gear is matched with first gear
It closes；One end of second shaft is equipped with the first sliding block；Second shaft passes through installation guide groove in the first sliding block and corresponding mounting blocks
It is fitted in the installation cavity on corresponding mounting blocks；The first triggering bullet is installed between first sliding block and corresponding installation guide groove
Spring；Second gear is mounted in the second shaft；Second gear coordinates with first gear；Third shaft is mounted on corresponding mounting blocks
Installation cavity in；Third gear is mounted in third shaft；Third gear coordinates with second gear；The upper end installation of 4th shaft
On corresponding mounting blocks on the upper surface of installation cavity；4th gear is mounted in the 4th shaft；4th gear is engaged with third gear；
4th gear and the 5th gear coordinate；
Above-mentioned self-locking mechanism includes supporting rod, installation toroidal shell, installation U-shaped shell, idler wheel, rotation axis, the first transmission shaft, the second transmission
Axis limiting cylinder, is telescopically connected, U-shaped driving plate, squeezes spring, arcuate friction piece, annular guide block, rotation slot, axis hole, annular
Guide groove, friction plate escape groove, third transmission shaft, the first support shaft, the first support, the 4th transmission shaft, the second support, mounting hole,
Cam, the 7th shaft, third support, the lower end of wherein supporting rod is provided with rotation slot；Two are provided on inner headed face on the upside of rotation slot
A friction plate escape groove；Two friction plate escape groove are uniformly distributed up and down；Annular guide channel is provided on inner headed face on the downside of rotation slot；
The upper end of supporting rod is mounted on the downside of sick bed ontology on end face；The center of rotation axis has the axis hole of perforation；The outer circle of rotation axis
Annular guide block is installed on face；The lower end for being fitted to supporting rod that rotation axis passes through annular guide block and annular guide channel；U is installed
Symmetrically there are two axis holes for tool in the U-lag of shape shell；It is communicated on the inside of two axis holes and installation U-shaped shell；U-shaped shell is installed and is mounted on and is turned
The lower end of moving axis；One end of first support shaft has cone tooth；Not there is first support shaft one end of cone tooth to be mounted on installation U-shaped shell
In one of axis hole in upper two axis holes；There is first support shaft one end of cone tooth to pass through two axis holes on installation U-shaped shell
In another axis hole be located on the inside of installation U-shaped shell；Idler wheel is mounted in the first support shaft, and idler wheel is located on installation U-shaped shell
U-lag in；The both ends of 4th transmission shaft are provided with cone tooth；4th transmission shaft is mounted on installation U-shaped shell by the second support
Inside；By boring tooth engagement between one end of 4th transmission shaft and the first support shaft；Third transmission shaft is installed by the first support
In the inside of installation U-shaped shell；The other end of one end of third transmission shaft and the 4th transmission shaft is by boring tooth engagement；Second driving shaft
One end have cone tooth；In the axis hole of second driving shaft installation on the rotating shaft；One end of second driving shaft and third transmission shaft
The other end by boring tooth engagement；The other end that cylinder is mounted on second driving shaft is limited, limiting cylinder is located in rotation slot；Peace
It is opened on inner headed face on the outside of dress toroidal shell there are two mounting hole, two mounting holes are uniformly distributed up and down；Toroidal shell is installed and is mounted on support
On periphery on the downside of bar；Two mounting holes installed on toroidal shell coordinate with two friction plate escape groove on supporting rod；U-shaped drives
The side of movable plate is telescopically connected there are two symmetrically installing；U-shaped driving plate is telescopically connected corresponding on installation toroidal shell by two
Two mounting holes be fitted to installation toroidal shell inside；The opposite side of U-shaped driving plate and disc on the inside of installation toroidal shell it
Between extruding spring is installed；Two arcuate friction pieces are separately mounted to two and are telescopically connected the end far from U-shaped driving plate side
On face；Two arcuate friction pieces, two friction plate escape groove cooperation corresponding on supporting rod；Two arcuate friction pieces respectively at
Limit cylinder and rotation axis cooperation；7th shaft is mounted on by third support in installation toroidal shell；Cam is mounted on the 7th shaft
On；The one side of cam and U-lag in U-shaped driving plate coordinates；
The above-mentioned guide direction with the corresponding installation guide groove of the 5th gear is connect mutually with first gear and the 5th gear centre
Vertically；It connect with first gear and second gear center with the guide direction of the corresponding installation guide groove of second gear and mutually hangs down
Directly；
It is connected between above-mentioned 4th shaft and the 7th shaft by flexible axle.
2. the self-locking sick bed that a kind of medical treatment based on transmission of changing direction according to claim 2 uses, it is characterised in that：On
It states and is telescopically connected including flexible housing, flexible interior bar, driving spring, wherein one end of flexible interior bar is mounted in U-shaped driving plate；
One end nesting of flexible housing is mounted on the other end of flexible interior bar；Flexible interior bar on the inside of flexible housing is outer with stretching
Set Inner is equipped with driving spring between end face；The other end of flexible housing is equipped with arcuate friction piece.
3. the self-locking sick bed that a kind of medical treatment based on transmission of changing direction according to claim 3 uses, it is characterised in that：On
Triggering block in the initial state and adjusting block are stated under the common elastic force of corresponding two limit springs and compressed spring in flat
Weighing apparatus state.
4. the self-locking sick bed that a kind of medical treatment based on transmission of changing direction according to claim 1 uses, it is characterised in that：On
It states and is installed between annular guide block and corresponding annular guide channel by bearing.
5. the self-locking sick bed that a kind of medical treatment based on transmission of changing direction according to claim 1 uses, it is characterised in that：On
Spring can be drawn for that can press by stating limit spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382065.7A CN108186226B (en) | 2017-12-20 | 2017-12-20 | Self-locking sickbed for medical use based on variable-direction transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382065.7A CN108186226B (en) | 2017-12-20 | 2017-12-20 | Self-locking sickbed for medical use based on variable-direction transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108186226A true CN108186226A (en) | 2018-06-22 |
| CN108186226B CN108186226B (en) | 2020-02-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711382065.7A Expired - Fee Related CN108186226B (en) | 2017-12-20 | 2017-12-20 | Self-locking sickbed for medical use based on variable-direction transmission |
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| Country | Link |
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| CN (1) | CN108186226B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111739237A (en) * | 2020-06-18 | 2020-10-02 | 广东台德智联科技有限公司 | A face-swiping payment device in an unmanned store |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| US5899469A (en) * | 1997-02-06 | 1999-05-04 | Pinto; David Alexander | Vehicle with lockable casters |
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| CN205930032U (en) * | 2016-08-25 | 2017-02-08 | 安吉金泰紧固件有限公司 | Take self -locking function's wheel components |
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| US5899469A (en) * | 1997-02-06 | 1999-05-04 | Pinto; David Alexander | Vehicle with lockable casters |
| DE29707306U1 (en) * | 1997-04-15 | 1997-07-31 | Casa-garden GmbH & Co KG Reha-Produkte für die Pflege, 32584 Löhne | Sick or nursing bed |
| US6353948B1 (en) * | 1997-12-18 | 2002-03-12 | Hill-Rom, Inc. | Air fluidized bed |
| US6296261B1 (en) * | 1999-07-12 | 2001-10-02 | Degoma Rolando I | Brake assisted steering system for a wheeled bed |
| US6735794B1 (en) * | 2000-03-17 | 2004-05-18 | Stryker Corporation | Stretcher with castor wheels |
| CN1486251A (en) * | 2001-01-12 | 2004-03-31 | �̹��-�������� | Castor type roller controlled by motor |
| EP1243238A1 (en) * | 2001-03-19 | 2002-09-25 | Hermann Bock GmbH | Bed with castors |
| US20030070233A1 (en) * | 2001-09-05 | 2003-04-17 | Ganance Francis C. | Hospital bed caster apparatus |
| CN202526443U (en) * | 2012-04-16 | 2012-11-14 | 天津康丽医疗器械有限公司 | Double rocking-handle sick bed |
| CN202782501U (en) * | 2012-08-23 | 2013-03-13 | 上海西门子医疗器械有限公司 | Trundle and hospital bed provided with trundles |
| US20150224823A1 (en) * | 2014-02-11 | 2015-08-13 | Medline Industries, Inc. | Method and Apparatus for a Locking Caster |
| CN204446375U (en) * | 2015-02-13 | 2015-07-08 | 四川农业大学 | A kind of quakeproof safety sick bed |
| CN205832068U (en) * | 2016-06-06 | 2016-12-28 | 杭州金鹭医疗器械有限公司 | Basket cot self-locking universal wheel |
| CN205930032U (en) * | 2016-08-25 | 2017-02-08 | 安吉金泰紧固件有限公司 | Take self -locking function's wheel components |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111739237A (en) * | 2020-06-18 | 2020-10-02 | 广东台德智联科技有限公司 | A face-swiping payment device in an unmanned store |
| CN111739237B (en) * | 2020-06-18 | 2021-08-13 | 广东台德智联科技有限公司 | A face-swiping payment device in an unmanned store |
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| Publication number | Publication date |
|---|---|
| CN108186226B (en) | 2020-02-07 |
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