CN108095928A - A kind of medical treatment based on bidirectional self-locking uses sick bed - Google Patents
A kind of medical treatment based on bidirectional self-locking uses sick bed Download PDFInfo
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- CN108095928A CN108095928A CN201711382062.3A CN201711382062A CN108095928A CN 108095928 A CN108095928 A CN 108095928A CN 201711382062 A CN201711382062 A CN 201711382062A CN 108095928 A CN108095928 A CN 108095928A
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- gear
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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
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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 medical treatment based on bidirectional self-locking uses sick bed, it includes trigger mechanism, sick bed body, self-locking mechanism, when the sick bed that people are designed using the present invention, no matter user be promote forward, pull back or it is oblique pulling or promotion triggering drive rod when, the movement of drive rod can all cause first rotating shaft to rotate；First rotating shaft can drive the second shaft to rotate when first rotating shaft rotates；Second shaft rotates so that four arcuate friction pieces lose the constraint to /V 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 sick bed technical fields more particularly to a kind of medical treatment based on bidirectional self-locking to use sick 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 so 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 prevent art as far as possible
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 is designed a kind of medical treatment based on bidirectional self-locking and is solved the problems, such as above using sick bed.
The content of the invention
To solve drawbacks described above of the prior art, the present invention discloses a kind of medical treatment based on bidirectional self-locking and uses sick bed,
It is realized using following technical scheme.
A kind of medical treatment based on bidirectional self-locking uses sick bed, it is characterised in that：It include trigger mechanism, sick bed body, from
Latch mechanism, wherein trigger mechanism are mounted on the upside of the baffle of sick bed body one end；Four self-locking mechanisms are separately mounted to sick bed sheet
On four corners of body downside.
Above-mentioned trigger mechanism includes supporting block, bar, triggering mounting structure, triggering drive rod, guide pad, triggering block, tune
Locking nub, compression 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, limit spring, one end of wherein supporting block are provided with the guide groove of perforation；Two supporting blocks are separately mounted to disease
The both sides of one side shield upper end of bed body；Two bars are uniformly mounted between two supporting blocks and on sick bed bodies
Bed board；Triggering mounting structure is made of arch connection and two mounting blocks, and two mounting blocks are separately mounted to the two of arch connection
End；Trigger the upper end that mounting structure is mounted on two supporting blocks；And two mounting blocks in triggering mounting structure are located at two respectively
The both sides of a supporting block；Installation cavity is provided in two mounting blocks on the inside of one of mounting blocks, and the mounting blocks are close to corresponding
The first notch is provided on one side end face of supporting block, the first notch coordinates with the guide groove in corresponding supporting block, in the mounting blocks
Installation cavity is symmetrically opened in the upper and lower ends face of the first notch one side there are two the first guide groove；One end of triggering block has oblique
Face；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 passes through
Guide groove is fitted in two supporting blocks in guide pad and triggering block and two supporting blocks；The two sides of guide pad with it is right
It answers and is separately installed with a limit spring in supporting block between the two sides of the first guide groove；The two sides of triggering block and corresponding support
A limit spring is separately installed on block between the two sides of first guide groove；There is inclined-plane on adjusting block；The both sides of adjusting block
Symmetrically there are two the first guide blocks for installation；The cooperation that adjusting block passes through two the first guide grooves on two the first guide blocks and mounting blocks
In the installation cavity on corresponding mounting blocks；Inclined-plane cooperation on inclined-plane and triggering block on adjusting block；One end of connecting plate
Do not have on the side of inclined-plane one end on adjusting block；The other end of connecting plate is equipped with the first rack；It is remote on connecting plate
Compression spring is installed between one side side corresponding on installation cavity from adjusting block ramp；One end installation of first rotating shaft
On corresponding mounting blocks on the upper surface of installation cavity；First gear is mounted in first rotating shaft；First gear is nibbled with the first rack
It closes.
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, /V cylinder are telescopically connected, driving plate, extruding spring, arcuate friction piece, annular guide block, rotation slot, axis hole, annular
Guide groove, friction plate escape groove, the 3rd transmission shaft, the first support shaft, the first support, the 4th transmission shaft, the second support, mounting hole,
Second shaft, the second rack, the 3rd shaft, the 4th shaft, the 5th shaft, the 6th shaft, the 3rd rack, second gear, the 3rd
Gear, the 4th gear, the 5th gear, the 6th gear, square hole, the second guide groove, the 3rd guide groove, drive shaft hole, are kept away the 4th rack
Allow notch, the second guide block, the 3rd guide block, 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
Four friction plate escape groove；Four friction plate escape groove are uniformly distributed up and down in pairs, and are kept away with two friction plates in group
Make slot symmetrical；Annular guide channel is provided on inner headed face on the downside of rotation slot；Square hole, and side are provided on the periphery of supporting rod
Shape hole is located at the upside of rotation slot；Second guide groove there are two symmetrically being opened on the two sides of square hole；It is opened on the side of square hole
There is the 3rd guide groove；And the 3rd guide groove be located on the downside of the second guide groove on ipsilateral；The upper end of supporting rod is mounted under sick bed body
On side end face；The center of rotation axis has the axis hole of perforation；Annular guide block is installed on the periphery of rotation axis；Rotation axis passes through
The lower end for being fitted to supporting rod of annular guide block and annular guide channel；Axis there are two symmetrically having is installed in the U-lag of U-shaped shell
Hole；Two axis holes on the inside of installation U-shaped shell with communicating；The lower end that U-shaped shell is mounted on rotation axis is installed；One end tool of first support shaft
There is cone 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；
One end that first support shaft has cone tooth is located at through another axis hole in two axis holes on installation U-shaped shell in installation U-shaped shell
Side；Idler wheel is mounted in the first support shaft, and idler wheel is located in the U-lag on installation U-shaped shell；It opens at the both ends of 4th transmission shaft
There is cone 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
By boring tooth engagement between axis；3rd transmission shaft is mounted on the inside of installation U-shaped shell by the first support；The one of 3rd transmission shaft
The other end of end and the 4th transmission shaft is by boring tooth engagement；One end of second driving shaft has cone tooth；Second driving shaft is mounted on
In axis hole in rotation axis；The other end of one end of second driving shaft and the 3rd transmission shaft is by boring tooth engagement；/V cylinder is pacified
Mounted in the other end of second driving shaft, /V cylinder is located in rotation slot；It is symmetrically provided on inner headed face on the outside of installation toroidal shell
Two avoidance notches；Mounting hole there are four being opened on inner headed face on the outside of installation toroidal shell, four mounting holes are uniform up and down in pairs
Distribution, two mounting holes positioned at same group are symmetrical；It installs on the periphery that toroidal shell is mounted on the downside of supporting rod；Toroidal shell is installed
On two square holes avoided on notches and supporting rod coordinate；Four mounting holes on toroidal shell and four on supporting rod are installed
Friction plate escape groove coordinates；One end of second shaft is mounted on the side of square hole on supporting rod；4th gear is mounted on second
In shaft；It symmetrically installs there are two the second guide block the both sides of 4th rack；4th rack passes through two the second guide blocks and support
On bar in the square hole being fitted on supporting rod of two the second guide grooves；4th rack is engaged with the 4th gear；3rd turn
One end of axis is mounted on the side of square hole on supporting rod；3rd gear is mounted in the 3rd shaft；3rd gear and the 4th tooth
Item coordinates；One end of 5th shaft is mounted on the side of square hole on supporting rod；5th gear is mounted in the 5th shaft；5th
Gear and the 4th rack coordinate；5th gear and the 3rd gear are located at the both sides of the 4th rack respectively；One end peace of 4th shaft
The side of square hole on supporting rod；Second gear is mounted in the 4th shaft；Second gear is located at the downside of the 3rd gear,
And second gear is engaged with the 3rd gear；One end of 6th shaft is mounted on the side of square hole on supporting rod；6th gear is pacified
In the 6th shaft；6th gear is located at the downside of the 5th gear, and the 6th gear is engaged with the 5th gear；Second rack
One side is equipped with the 3rd guide block；Second rack is fitted to by the 3rd guide groove on the 3rd guide block and supporting rod on supporting rod
Square hole in；Second rack is located on the downside of second gear and the 5th gear, and the second rack respectively with second gear and the 5th
Gear engages.
The structure that installation toroidal shell inside lower end is installed is divided into two parts, installs two that the lower end on the inside of toroidal shell is installed
Separation structure is identical and symmetrical, and for a wherein arbitrary part, the one side of driving plate symmetrically installs that there are two flexible
Connection；Driving plate is telescopically connected by two and installs toroidal shell with being fitted to for corresponding two mounting holes on installation toroidal shell
Inside；Extruding spring is installed between disc on the inside of driving plate and installation toroidal shell；Two arcuate friction pieces are separately mounted to two
It is telescopically connected on the end face away from driving plate one side；Two arcuate friction pieces, two friction plates corresponding on supporting rod avoid
Slot coordinates；Two arcuate friction pieces coordinate respectively at /V cylinder and rotation axis；3rd rack is mounted on the upper end of driving plate.
The 3rd rack of above-mentioned two engages respectively with second gear and the 6th gear.
It is connected between above-mentioned first rotating shaft and the second 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 driving plate on；The nested other end for being mounted on flexible interior bar in one end of flexible housing；Installation
Driving spring is installed between flexible interior bar and flexible housing Inner end faces on the inside of flexible housing；The other end peace of flexible housing
Equipped with arcuate friction piece.
As being further improved for this technology, above-mentioned triggering block in the initial state and adjusting block are in corresponding two /Vs
Equilibrium state is under the common elastic force of spring and compression 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.
Compared with 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 body in the present invention；Two bars are equably
Bed board between two supporting blocks and on sick bed body；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；One side side corresponding on installation cavity away from adjusting block ramp on connecting plate
Between compression 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；Triggering block and adjusting block are at corresponding two under original state
Equilibrium state is under the common elastic force of limit spring and compression spring.When triggering drive rod is subject to forward thrust, triggering
Drive rod can drive triggering block to be moved forward along the first guide groove in corresponding supporting block；Triggering block forward movement will promote tune
Locking nub moves forward；Adjusting block forward movement will drive connecting plate to move forward；Connecting plate, which moves forward, drives the first rack
It moves forward；The forward movement of first rack will cause first gear to rotate；First gear rotation will drive first rotating shaft to turn
It is dynamic；When triggering drive rod and being subject to pulling force backward, triggering drive rod will drive triggering block along the in corresponding supporting block
One guide groove moves backward；During triggering block moves backward, adjusting block will move backward under the action of spring is compressed；It adjusts
Locking nub, which moves backward, connecting plate to be driven to move backward；Connecting plate, which moves backward, drives the first rack to move backward；First tooth
Item moves backward will be so that first gear rotates；First gear rotation will drive first rotating shaft to rotate；When triggering drive rod
When being subject to towards the thrust of adjusting block one side, triggering drive block will drive triggering block towards the sidesway for being equipped with adjusting block
It is dynamic；Triggering block will cause adjusting block under the cooperation of the first guide block and the first guide groove towards the one side movement for being equipped with adjusting block
Adjusting block moves forward；Adjusting block forward movement will drive connecting plate to move forward；Connecting plate, which moves forward, drives the first tooth
Item moves forward；The forward movement of first rack will cause first gear to rotate；First gear rotation will drive first rotating shaft
It rotates；When triggering drive rod and being subject to the pulling force away from adjusting block one side, triggering drive block will drive triggering block away from
The one side movement of adjusting block is installed；Triggering block will cause adjusting block away from the one side movement for being equipped with adjusting block
One guide block under the cooperation of the first guide groove with causing adjusting block to move backward；Adjusting block, which moves backward, connecting plate to be driven to move back
It is dynamic；Connecting plate, which moves backward, drives the first rack to move backward；First rack moves backward will be so that first gear rotates；The
The rotation of one gear will drive first rotating shaft to rotate.
It is installed in the present invention on the periphery that toroidal shell is mounted on the downside of supporting rod；One end of second shaft is mounted on supporting rod
The side of upper square hole；4th gear is mounted in the second shaft；The both sides of 4th rack are symmetrically installed leads there are two second
Block；The square hole being fitted on supporting rod that 4th rack passes through two the second guide grooves on two the second guide blocks and supporting rod
It is interior；4th rack is engaged with the 4th gear；One end of 3rd shaft is mounted on the side of square hole on supporting rod；3rd gear is pacified
In the 3rd shaft；3rd gear and the 4th rack coordinate；One end of 5th shaft is mounted on the side of square hole on supporting rod
Face；5th gear is mounted in the 5th shaft；5th gear and the 4th rack coordinate；5th gear and the 3rd gear are located at respectively
The both sides of 4th rack；One end of 4th shaft is mounted on the side of square hole on supporting rod；Second gear is mounted on the 4th turn
On axis；Second gear is located at the downside of the 3rd gear, and second gear is engaged with the 3rd gear；One end of 6th shaft is mounted on
The side of square hole on supporting rod；6th gear is mounted in the 6th shaft；6th gear is located at the downside of the 5th gear, and
Six gears are engaged with the 5th gear；The one side of second rack is equipped with the 3rd guide block；Second rack passes through the 3rd guide block and support
On bar in the square hole being fitted on supporting rod of the 3rd guide groove；Second rack is located under second gear and the 5th gear
Side, and the second rack engages respectively with second gear and the 5th gear；It is connected between first rotating shaft and the second shaft by flexible axle；
Two the 3rd racks engage respectively with second gear and the 6th gear；First rotating shaft can drive second turn when first rotating shaft rotates
Axis rotates；Second shaft, which rotates, drives the 4th gear to rotate；The rotation of 4th gear will cause the 4th rack to move；In the 4th tooth
In article moving process when the 4th rack is engaged with the 5th gear, the 4th rack movement will drive the 5th gear to rotate；5th
Gear, which rotates, drives the 6th gear to rotate；The rotation of 6th gear will cause corresponding 3rd rack away from the 6th gear
It moves one side；The 5th gear can cause the movement of the second rack when the 5th gear rotates simultaneously；Second rack movement will drive
Second gear rotates；Second gear rotation will drive corresponding 3rd rack to be moved away from the one side of second gear；
In 4th rack moving process when the 4th rack is engaged with the 3rd gear, the 4th rack movement will drive the 3rd gear to turn
It is dynamic；3rd gear, which rotates, drives second gear to rotate；Second gear rotation will cause corresponding 3rd rack away from the
The one side movement of two gears；The 5th gear can cause the movement of the second rack when second gear rotates simultaneously；Second rack moves
The 6th gear will be driven to rotate；The rotation of 6th gear will drive one side of corresponding 3rd rack away from the 6th gear
It is mobile.
The structure that toroidal shell inside lower end is installed in the present invention is installed and is divided into two parts, the lower end on the inside of toroidal shell is installed and is pacified
The two-part structure of dress is identical and symmetrical, and for a wherein arbitrary part, the one side of driving plate is symmetrically equipped with
Two are telescopically connected；Driving plate is telescopically connected by two and is fitted to peace with corresponding two mounting holes on installation toroidal shell
Fill the inside of toroidal shell；Extruding spring is installed between disc on the inside of driving plate and installation toroidal shell；Two arcuate friction pieces are pacified respectively
It is telescopically connected mounted in two on the end face of upper separate driving plate one side；Two corresponding on supporting rod of two arcuate friction pieces rub
Pad escape groove coordinates；Two arcuate friction pieces coordinate respectively at /V cylinder and rotation axis；3rd rack is mounted on driving plate
Upper end；3rd rack can drive corresponding driving plate towards remote when the 3rd rack is moved away from the one side of /V cylinder
One side movement from /V cylinder；Driving plate movement drive it is corresponding two be telescopically connected in flexible interior bar away from /V
The one side movement of cylinder；Two flexible interior bars will cause corresponding two arcs to rub away from the one side movement of /V cylinder
Pad loses squeezing action of the corresponding driving spring to it.
The upper end of supporting rod is mounted on the downside of sick bed body 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
One end that one support shaft has cone tooth is located at through another axis hole in two axis holes on installation U-shaped shell 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；3rd transmission shaft is mounted on the inside of installation U-shaped shell by the first support；One end of 3rd 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；The other end of one end of second driving shaft and the 3rd transmission shaft is by boring tooth engagement；/V cylinder is installed
In the other end of second driving shaft, /V cylinder is located in rotation slot；Idler wheel can drive the first support shaft to turn when idler wheel rotates
It is dynamic；First support shaft, which rotates, drives the 4th transmission shaft to rotate；4th transmission shaft, which rotates, drives the 3rd transmission shaft to rotate；3rd transmission
Axis, which rotates, drives second driving shaft to rotate；Second driving shaft, which rotates, drives /V cylinder to rotate；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.
When the sick bed that people are designed using the present invention, no matter user is to promote forward, pull back or oblique drawing
During dynamic or promotion triggering drive rod, the movement of drive rod can all cause first rotating shaft to rotate；When first rotating shaft rotates first turn
Axis can drive the second shaft to rotate；Second shaft, which rotates, drives the 4th gear to rotate；The rotation of 4th gear will cause the 4th tooth
Item moves；In the 4th rack moving process when the 4th rack is engaged with the 5th gear, the 4th rack movement will drive
Five gears rotate；5th gear, which rotates, drives the 6th gear to rotate；The rotation of 6th gear will cause corresponding 3rd rack court
The one side away from the 6th gear to move；The 5th gear can cause the movement of the second rack when the 5th gear rotates simultaneously；Second
Rack movement will drive second gear to rotate；Second gear rotation will drive corresponding 3rd rack away from the second tooth
The one side movement of wheel；In the 4th rack moving process when the 4th rack is engaged with the 3rd gear, the 4th rack movement will
The 3rd gear is driven to rotate；3rd gear, which rotates, drives second gear to rotate；Second gear rotation will cause the corresponding 3rd
Rack is moved away from the one side of second gear；The 5th gear can cause the shifting of the second rack when second gear rotates simultaneously
It is dynamic；Second rack movement will drive the 6th gear to rotate；The rotation of 6th gear will drive corresponding 3rd rack towards remote
One side movement from the 6th gear.When one side movement of the 3rd rack away from /V cylinder, the 3rd rack can drive correspondence
Driving plate away from /V cylinder one side move；Driving plate movement drive corresponding two be telescopically connected in it is flexible in
Bar is moved away from the one side of /V cylinder；Two flexible interior bars will cause two away from the one side movement of /V cylinder
A arcuate friction piece loses squeezing action of the corresponding driving spring to it.Four arcuate friction pieces will be caused to lose to limit at this time
The constraint of circle of position column and rotation axis；I.e. rotation axis and second driving shaft can be freely rotated；I.e. idler wheel can be freely rotated；It is 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, triggering drive rod is right
It should compress and be restored under the collective effect of spring and limit spring on original position；I.e. adjusting block is restored to original position
On；I.e. corresponding 3rd rack is restored on original position；At this time so that corresponding arc under the action of corresponding extruding spring
Shape friction plate plays position-limiting action to corresponding /V cylinder and rotation axis；So that rotation axis and second driving shaft lose rotation work(
Energy；I.e. idler 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 the first rack and first gear cooperation schematic diagram.
Figure 11 is self-locking mechanism appearance diagram.
Figure 12 is self-locking mechanism internal structure schematic diagram.
Figure 13 is self-locking mechanism internal structure scheme of installation.
Figure 14 is rotation axis scheme of installation.
Figure 15 is supporting bar structure schematic diagram.
Figure 16 is arcuate friction piece and /V cylinder is matched somebody with somebody and schematic diagram.
Figure 17 is arcuate friction piece and rotation axis cooperation schematic diagram.
Figure 18 is the second guide block scheme of installation.
Figure 19 is the 3rd guide block scheme of installation.
Figure 20 is annular guide channel structure diagram.
Figure 21 is annular guide block scheme of installation.
Figure 22 is idler wheel scheme of installation.
Figure 23 is /V cylinder scheme of installation.
Figure 24 is the 4th transmission shaft scheme of installation.
Figure 25 is mounting ring shell structure schematic diagram.
Figure 26 is to be telescopically connected structure diagram.
Figure label title：1st, trigger mechanism；2nd, sick bed body；3rd, self-locking mechanism；4th, supporting block；5th, bar；6th, trigger
Mounting structure；7th, drive rod is triggered；8th, guide pad；9th, triggering block；10th, adjusting block；11st, spring is compressed；16th, first gear；17、
Arch connects；18th, mounting blocks；19th, the first notch；20th, the first guide groove；22nd, installation cavity；23rd, guide groove；24th, the first guide block；
25th, connecting plate；26th, the first rack；33rd, first rotating shaft；36th, supporting rod；The 37th, toroidal shell is installed；The 38th, U-shaped shell is installed；39th, idler wheel；
40th, rotation axis；41st, the first transmission shaft；42nd, second driving shaft；43rd, /V cylinder；44th, it is telescopically connected；45th, driving plate；46th, squeeze
Pressing spring；48th, arcuate friction piece；49th, annular guide block；50th, rotation slot；51st, axis hole；52nd, annular guide channel；53rd, friction plate avoids
Slot；54th, the 3rd transmission shaft；55th, the first support shaft；56th, the first support；57th, the 4th transmission shaft；58th, the second support；59th, install
Hole；62nd, stretch housing；63rd, flexible interior bar；64th, driving spring；65th, the second shaft；66th, the second rack；67th, the 3rd shaft；
68th, the 4th shaft；69th, the 5th shaft；70th, the 6th shaft；71st, the 3rd rack；72nd, second gear；73rd, the 3rd gear；74th,
Four gears；75th, the 4th rack；77th, the 5th gear；78th, the 6th gear；79th, square hole；80th, the second guide groove；81st, the 3rd guide groove；
82nd, drive shaft hole；83rd, notch is avoided；84th, the second guide block；85th, the 3rd guide block；86th, limit spring.
Specific embodiment
As shown in Figure 1, 2, it includes trigger mechanism 1, sick bed body 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 body；Four self-locking mechanisms 3 are separately mounted on four corners of 2 downside of sick bed body.
As shown in figure 3, above-mentioned trigger mechanism 1 includes supporting block 4, bar 5, triggers mounting structure 6, triggering drive rod 7, leads
To block 8, triggering block 9, adjusting block 10, compression spring 11, first gear 16, guide groove 23, the first guide groove 20, installation cavity 22, the
One guide block 24, connecting plate 25, the first rack 26, first rotating shaft 33, the first notch 19, limit spring 86, wherein as shown in figure 8,
One end of supporting block 4 is provided with the guide groove 23 of perforation；As shown in Figure 1, two supporting blocks 4 are separately mounted to 2 one side of sick bed body
The both sides of baffle upper end；Two bars 5 are uniformly mounted to the bed board between two supporting blocks 4 and on sick bed body 2；Such 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 bend
The both ends of shape connection 17；As shown in figure 3, triggering mounting structure 6 is mounted on the upper end of two supporting blocks 4；And triggering mounting structure 6
In two mounting blocks 18 be located at the both sides of two supporting blocks 4 respectively；As shown in fig. 7, one of peace in two mounting blocks 18
The inside of dress block 18 is provided with installation cavity 22, and the mounting blocks 18 are provided with the first notch on a side end face of corresponding supporting block 4
19, the first notch 19 coordinates with the guide groove 23 in corresponding supporting block 4, and installation cavity 22 is close to the first notch 19 in the mounting blocks 18
First guide groove 20 there are two symmetrically being opened in the upper and lower ends face of one side；As shown in figure 5, one end of triggering block 9 has inclined-plane；Such as
Shown in Fig. 4, one end of triggering drive rod 7 is equipped with guide pad 8, and the other end of triggering drive rod 7 is equipped with triggering block 9；Triggering
Drive rod 7 is fitted to by guide groove 23 in guide pad 8 and triggering block 9 and two supporting blocks 4 in two supporting blocks 4；
As shown in figure 4, the two sides of guide pad 8 between the two sides of first guide groove 20 in corresponding supporting block 4 with being separately installed with one
Limit spring 86；The two sides of triggering block 9 between the two sides of first guide groove 20 in corresponding supporting block 4 with being separately installed with one
Limit spring 86；As shown in figure 9, there is inclined-plane on adjusting block 10；The both sides of adjusting block 10 are symmetrically installed leads there are two first
Block 24；As shown in figure 5, adjusting block 10 is pacified by the cooperation of two the first guide blocks 24 and two the first guide grooves 20 on mounting blocks 18
In the installation cavity 22 on corresponding mounting blocks 18；Inclined-plane on adjusting block 10 coordinates with the inclined-plane in triggering block 9；Such as Fig. 9 institutes
Show, one end of connecting plate 25, which is mounted on adjusting block 10, not to be had on the side of inclined-plane one end；The other end installation of connecting plate 25
There is the first rack 26；It is installed between one side side corresponding on installation cavity 22 away from 10 ramp of adjusting block on connecting plate 25
There is compression spring 11；As shown in figure 5, one end of first rotating shaft 33 is mounted on the upper surface of installation cavity 22 on corresponding mounting blocks 18
On；As shown in Figure 10, first gear 16 is mounted in first rotating shaft 33；First gear 16 is engaged with the first rack 26.
As shown in figure 11, above-mentioned self-locking mechanism 3 includes supporting rod 36, installation toroidal shell 37, installs U-shaped shell 38, idler wheel 39, turns
Moving axis 40, the first transmission shaft 41, second driving shaft 42, /V cylinder 43, be telescopically connected 44, driving plate 45, squeeze spring 46, arc
Shape friction plate 48, annular guide block 49, rotation slot 50, axis hole 51, annular guide channel 52, friction plate escape groove 53, the 3rd transmission shaft 54,
First support shaft 55, first supports the 56, the 4th transmission shaft 57, second support 58, mounting hole 59, the second shaft 65, the second rack
66th, the 3rd shaft 67, the 4th shaft 68, the 5th shaft 69, the 6th shaft 70, the 3rd rack 71, second gear 72, the 3rd gear
73rd, the 4th gear 74, the 4th rack 75, the 5th gear 77, the 6th gear 78, square hole 79, the second guide groove 80, the 3rd guide groove
81st, drive shaft hole 82, avoidance notch 83, the second guide block 84, the 3rd guide block 85, wherein as shown in figure 15, the lower end of supporting rod 36
It is provided with rotation slot 50；Friction plate escape groove 53 there are four being opened on the inner headed face of 50 upside of rotation slot；As shown in figure 20, four frictions
Piece escape groove 53 is uniformly distributed up and down in pairs, and symmetrical with two friction plate escape groove 53 in group；Rotation slot 50
Annular guide channel 52 is provided on the inner headed face of downside；It is provided with square hole 79 on the periphery of supporting rod 36, and square hole 79 is located at and turns
The upside of dynamic slot 50；Second guide groove 80 there are two symmetrically being opened on the two sides of square hole 79；It is provided on the side of square hole 79
3rd guide groove 81；And the 3rd guide groove 81 be located at the downside of the second guide groove 80 on ipsilateral；As shown in Figure 1, the upper end of supporting rod 36
On 2 downside end face of sick bed body；As shown in figure 21, the center of rotation axis 40 has the axis hole 51 of perforation；Rotation axis 40
Periphery on annular guide block 49 is installed；As shown in figure 14, the matching somebody with somebody by annular guide block 49 and annular guide channel 52 of rotation axis 40
It closes mounted on the lower end of supporting rod 36；As shown in figure 24, axis hole 51 there are two symmetrically having is installed in the U-lag of U-shaped shell 38；Two
A axis hole 51 is communicated with 38 inside of installation U-shaped shell；As shown in figure 22, 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；As shown in figure 23, idler wheel 39 is mounted in the first support shaft 55,
And idler wheel 39 is located in the U-lag on installation U-shaped shell 38；The both ends of 4th transmission shaft 57 are provided with cone tooth；As shown in figure 24,
Four transmission shafts 57 are mounted on the inside of installation U-shaped shell 38 by the second support 58；One end of 4th transmission shaft 57 and the first support
By boring tooth engagement between axis 55；3rd transmission shaft 54 is mounted on the inside of installation U-shaped shell 38 by the first support 56；3rd passes
The other end of one end of moving axis 54 and the 4th transmission shaft 57 is by boring tooth engagement；One end of second driving shaft 42 has cone tooth；The
Two transmission shafts 42 are mounted in the axis hole 51 in rotation axis 40；One end of second driving shaft 42 and the other end of the 3rd transmission shaft 54
By boring tooth engagement；As shown in figure 16, /V cylinder 43 is mounted on the other end of second driving shaft 42, and /V cylinder 43, which is located at, to be turned
In dynamic slot 50；As shown in figure 25, install and avoid notch 83 there are two symmetrically being opened on the inner headed face in 37 outside of toroidal shell；Toroidal shell is installed
It is opened on the inner headed face in 37 outsides there are four mounting hole 59, four mounting holes 59 are uniformly distributed up and down in pairs, positioned at same group
Two mounting holes 59 are symmetrical；Toroidal shell 37 is installed to be mounted on the periphery of 36 downside of supporting rod；Two on toroidal shell 37 are installed
A avoidance notch 83 coordinates with the square hole 79 on supporting rod 36；It installs on four mounting holes 59 and the supporting rod 36 on toroidal shell 37
Four friction plate escape groove 53 coordinate；As shown in figure 13, one end of the second shaft 65 is mounted on square hole 79 on supporting rod 36
Side；4th gear 74 is mounted in the second shaft 65；As shown in figure 18, the both sides of the 4th rack 75 are symmetrically equipped with two
A second guide block 84；4th rack 75 is installed by the cooperation of two the second guide blocks 84 and two the second guide grooves 80 on supporting rod 36
In square hole 79 on supporting rod 36；As shown in figure 17, the 4th rack 75 is engaged with the 4th gear 74；The one of 3rd shaft 67
End is mounted on the side of square hole 79 on supporting rod 36；3rd gear 73 is mounted in the 3rd shaft 67；3rd gear 73 and
Four racks 75 coordinate；One end of 5th shaft 69 is mounted on the side of square hole 79 on supporting rod 36；5th gear 77 is mounted on
In 5th shaft 69；5th gear 77 coordinates with the 4th rack 75；5th gear 77 and the 3rd gear 73 are located at the 4th tooth respectively
The both sides of item 75；One end of 4th shaft 68 is mounted on the side of square hole 79 on supporting rod 36；Second gear 72 is mounted on the
In four shafts 68；Second gear 72 is located at the downside of the 3rd gear 73, and second gear 72 is engaged with the 3rd gear 73；6th turn
One end of axis 70 is mounted on the side of square hole 79 on supporting rod 36；6th gear 78 is mounted in the 6th shaft 70；6th tooth
Wheel 78 is located at the downside of the 5th gear 77, and the 6th gear 78 is engaged with the 5th gear 77；As shown in figure 19, second rack 66
One side is equipped with the 3rd guide block 85；Second rack 66 is installed by the cooperation of the 3rd guide block 85 and the 3rd guide groove 81 on supporting rod 36
In square hole 79 on supporting rod 36；Second rack 66 is located at 77 downside of second gear 72 and the 5th gear, and the second rack
66 engage respectively with 72 and the 5th gear 77 of second gear.
The structure that installation 37 inside lower end of toroidal shell is installed is divided into two parts, installs what the lower end on the inside of toroidal shell 37 was installed
Two-part structure is identical and symmetrical, and for a wherein arbitrary part, as shown in figure 17, the one side of driving plate 45 is symmetrical
There are two be telescopically connected 44 for ground installation；Driving plate 45 is telescopically connected 44 two installations corresponding on installation toroidal shell 37 by two
The inside for being fitted to installation toroidal shell 37 in hole 59；As shown in figure 13, between driving plate 45 and installation 37 inside disc of toroidal shell
It is equipped with and squeezes spring 46；As shown in figure 12, two arcuate friction pieces 48 are separately mounted to two and are telescopically connected on 44 separate drive
On the end face of 45 one side of movable plate；As shown in figure 16, two arcuate friction pieces 48, two friction plates corresponding on supporting rod 36 are kept away
Slot 53 is allowed to coordinate；Two arcuate friction pieces 48 coordinate respectively at /V cylinder 43 and rotation axis 40；3rd rack 71, which is mounted on, to be driven
The upper end of movable plate 45.
The 3rd rack 71 of above-mentioned two engages respectively with 72 and the 6th gear 78 of second gear.
It is connected between above-mentioned 33 and second shaft 65 of first rotating shaft 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 driving plate 45；The nested other end for being mounted on flexible interior bar 63 in one end of flexible housing 62；
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 is flexible outer
The other end of set 62 is equipped with arcuate friction piece 48.
Above-mentioned triggering block in the initial state 9 and adjusting block 10 in corresponding two limit springs 86 and compress 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 body in the present invention；Two bars 5 are equal
The bed board between two supporting blocks 4 and on sick bed body 2 is mounted on 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 one side side corresponding on installation cavity 22 away 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；Triggering block 9 and adjusting block 10 are in correspondence under original state
Two limit springs 86 and compression spring 11 common elastic force under be in equilibrium state.When triggering drive rod 7 be subject to it is forward
During thrust, triggering drive rod 7 can drive triggering block 9 to be moved forward along the first guide groove 20 in corresponding supporting block 4；Triggering block 9
Forward movement will promote adjusting block 10 to move forward；The forward movement of adjusting block 10 will drive connecting plate 25 to move forward；Even
Fishplate bar 25, which moves forward, drives the first rack 26 to move forward；The forward movement of first rack 26 will cause 16 turns of first gear
It is dynamic；The rotation of first gear 16 will drive first rotating shaft 33 to rotate；When triggering drive rod 7 is subject to pulling force backward, triggering is driven
Lever 7 will drive triggering block 9 to be moved backward along the first guide groove 20 in corresponding supporting block 4；It was moved backward in triggering block 9
Cheng Zhong, adjusting block 10 will move backward under the action of spring 11 is compressed；Adjusting block 10, which moves backward, will drive connecting plate
25 move backward；Connecting plate 25, which moves backward, drives the first rack 26 to move backward；First rack 26 is moved backward and will caused
First gear 16 rotates；The rotation of first gear 16 will drive first rotating shaft 33 to rotate；When triggering drive rod 7 is subject to towards adjusting
During the thrust of 10 one side of block, triggering drive block will drive triggering block 9 to be moved towards the one side for being equipped with adjusting block 10；Triggering block
9 will cause adjusting block 10 under the cooperation of the first guide block 24 and the first guide groove 20 towards the one side movement for being equipped with adjusting block 10
Adjusting block 10 moves forward；The forward movement of adjusting block 10 will drive connecting plate 25 to move forward；Connecting plate 25 moves forward band
Dynamic first rack 26 moves forward；The forward movement of first rack 26 will cause first gear 16 to rotate；First gear 16 rotates
First rotating shaft 33 will be driven to rotate；When triggering drive rod 7 is subject to the pulling force away from 10 one side of adjusting block, triggering drive block is just
Triggering block 9 can be driven to be moved away from the one side for being equipped with adjusting block 10；Triggering block 9 is away from being equipped with adjusting block 10
One side movement will cause adjusting block 10 the first guide block 24 under the cooperation of the first guide groove 20 so that adjusting block 10 moves backward；
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 first rotating shaft 33
It rotates.
Toroidal shell 37 is installed to be mounted on the periphery of 36 downside of supporting rod in the present invention；One end of second shaft 65 is mounted on
The side of square hole 79 on supporting rod 36；4th gear 74 is mounted in the second shaft 65；The both sides of 4th rack 75 are symmetrically
There are two the second guide blocks 84 for installation；4th rack 75 passes through two the second guide blocks 84 and two the second guide grooves 80 on supporting rod 36
It is fitted in the square hole 79 on supporting rod 36；4th rack 75 is engaged with the 4th gear 74；One end of 3rd shaft 67
The side of square hole 79 on supporting rod 36；3rd gear 73 is mounted in the 3rd shaft 67；3rd gear 73 and the 4th
Rack 75 coordinates；One end of 5th shaft 69 is mounted on the side of square hole 79 on supporting rod 36；5th gear 77 is mounted on the
In five shafts 69；5th gear 77 coordinates with the 4th rack 75；5th gear 77 and the 3rd gear 73 are located at the 4th rack respectively
75 both sides；One end of 4th shaft 68 is mounted on the side of square hole 79 on supporting rod 36；Second gear 72 is mounted on the 4th
In shaft 68；Second gear 72 is located at the downside of the 3rd gear 73, and second gear 72 is engaged with the 3rd gear 73；6th shaft
70 one end is mounted on the side of square hole 79 on supporting rod 36；6th gear 78 is mounted in the 6th shaft 70；6th gear
78 are located at the downside of the 5th gear 77, and the 6th gear 78 is engaged with the 5th gear 77；The one side of second rack 66 is equipped with
Three guide blocks 85；Second rack 66 is fitted to by the 3rd guide block 85 and the 3rd guide groove 81 on supporting rod 36 on supporting rod 36
Square hole 79 in；Second rack 66 is located at second gear 72 and the downside of the 5th gear 77, and the second rack 66 is respectively with second
72 and the 5th gear 77 of gear engages；It is connected between 33 and second shaft 65 of first rotating shaft by flexible axle；Two the 3rd racks 71
It is engaged respectively with 72 and the 6th gear 78 of second gear；First rotating shaft 33 can drive the second shaft 65 when first rotating shaft 33 rotates
It rotates；Second shaft 65, which rotates, drives the 4th gear 74 to rotate；The rotation of 4th gear 74 will cause the 4th rack 75 to move；
In 4th rack, 75 moving process when the 4th rack 75 is engaged with the 5th gear 77,75 movement of the 4th rack will drive the 5th
Gear 77 rotates；5th gear 77, which rotates, drives the 6th gear 78 to rotate；The rotation of 6th gear 78 will cause the corresponding 3rd
Rack 71 is moved away from the one side of the 6th gear 78；The 5th gear 77 can cause second when the 5th gear 77 rotates simultaneously
Rack 66 moves；Second rack, 66 movement will drive second gear 72 to rotate；The rotation of second gear 72 will drive corresponding
3rd rack 71 is moved away from the one side of second gear 72；When the 4th rack 75 and in 75 moving process of the 4th rack
When three gears 73 engage, 75 movement of the 4th rack will drive the 3rd gear 73 to rotate；3rd gear 73, which rotates, drives the second tooth
Wheel 72 rotates；Second gear 72, which rotates, will cause corresponding 3rd rack 71 to be moved away from the one side of second gear 72；
The 5th gear 77 can cause the second rack 66 to move when second gear 72 rotates simultaneously；Second rack, 66 movement will drive
Six gears 78 rotate；The rotation of 6th gear 78 will drive a sidesway of corresponding 3rd rack 71 away from the 6th gear 78
It is dynamic.
The structure that 37 inside lower end of toroidal shell is installed in the present invention is installed and is divided into two parts, the lower end of 37 inside of installation toroidal shell
The two-part structure installed is identical and symmetrical, and for a wherein arbitrary part, the one side of driving plate 45 is symmetrically
There are two be telescopically connected 44 for installation；Driving plate 45 is telescopically connected 44 and corresponding two mounting holes on installation toroidal shell 37 by two
59 inside for being fitted to installation toroidal shell 37；Extruding spring is installed between driving plate 45 and installation 37 inside disc of toroidal shell
46；Two arcuate friction pieces 48 are separately mounted to two and are telescopically connected on 44 on the end face away from 45 one side of driving plate；Two arcs
The two friction plate escape groove 53 corresponding on supporting rod 36 of shape friction plate 48 coordinate；Two arcuate friction pieces 48 are respectively at /V
Cylinder 43 and rotation axis 40 coordinate；3rd rack 71 is mounted on the upper end of driving plate 45；When the 3rd rack 71 is away from /V
The 3rd rack 71 can drive corresponding driving plate 45 to be moved away from the one side of /V cylinder 43 during the one side movement of cylinder 43；
The movement of driving plate 45 drives a sidesway of the corresponding two flexible interior bars 63 being telescopically connected in 44 away from /V cylinder 43
It is dynamic；Two be telescopically connected interior bar 63 will be so that two arcuate friction pieces 48 lose away from the one side movement of /V cylinder 43
Corresponding driving spring 64 is to its squeezing action.
The upper end of supporting rod 36 is mounted on 2 downside end face of sick bed body 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 3rd 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；The other end of one end of second driving shaft 42 and the 3rd transmission shaft 54 is by boring tooth engagement；/V cylinder
43 are mounted on the other end of second driving shaft 42, and /V 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；First support shaft 55, which rotates, drives the 4th transmission shaft 57 to rotate；4th transmission shaft 57 rotates band
Dynamic 3rd transmission shaft 54 rotates；3rd transmission shaft 54, which rotates, drives second driving shaft 42 to rotate；Second driving shaft 42, which rotates, to be driven
/V 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.
Specific embodiment：When the sick bed that people are designed using the present invention, no matter user is to promote forward, pull back
When dynamic or oblique pulling or promotion triggering drive rod 7, the movement of drive rod all can cause first rotating shaft 33 to rotate；When first turn
First rotating shaft 33 can drive the second shaft 65 to rotate when axis 33 rotates；Second shaft 65, which rotates, drives the 4th gear 74 to rotate；The
The rotation of four gears 74 will cause the 4th rack 75 to move；When the 4th rack 75 and the 5th tooth in 75 moving process of the 4th rack
During 77 engagement of wheel, 75 movement of the 4th rack will drive the 5th gear 77 to rotate；5th gear 77, which rotates, drives the 6th gear 78
It rotates；The rotation of 6th gear 78 will cause corresponding 3rd rack 71 to be moved away from the one side of the 6th gear 78；Simultaneously
5th gear 77 can cause the second rack 66 to move when the 5th gear 77 rotates；Second rack, 66 movement will drive the second tooth
Wheel 72 rotates；Second gear 72, which rotates, will drive corresponding 3rd rack 71 to be moved away from the one side of second gear 72；
In 75 moving process of the 4th rack when the 4th rack 75 is engaged with the 3rd gear 73,75 movement of the 4th rack will drive
Three gears 73 rotate；3rd gear 73, which rotates, drives second gear 72 to rotate；The rotation of second gear 72 will cause corresponding the
Three racks 71 are moved away from the one side of second gear 72；The 5th gear 77 can cause the when second gear 72 rotates simultaneously
Two racks 66 move；Second rack, 66 movement will drive the 6th gear 78 to rotate；The rotation of 6th gear 78 will drive correspondence
The 3rd rack 71 away from the 6th gear 78 one side move.When the 3rd rack 71 is away from the one side of /V cylinder 43
3rd rack 71 can drive corresponding driving plate 45 to be moved away from the one side of /V cylinder 43 when mobile；Driving plate 45 moves
The corresponding two flexible interior bars 63 being telescopically connected in 44 is driven to be moved away from the one side of /V cylinder 43；Two flexible companies
Connecing interior bar 63 will be so that two arcuate friction pieces 48 loses corresponding driving spring away from the one side movement of /V cylinder 43
64 pairs of its squeezing actions.Four arcuate friction pieces 48 will be caused to lose the beam to /V cylinder 43 and rotation axis 40 at this time
It ties up；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 normally make
With.When user thinks, so that when sick bed stops, stopping driving triggering drive rod 7 at this time, triggering drive rod 7 compresses spring corresponding
11 and limit spring 86 collective effect under be restored on original position；I.e. adjusting block 10 is restored on original position；I.e.
Corresponding 3rd rack 71 is restored on original position；At this time so that corresponding arc under the action of corresponding extruding spring 46
Friction plate 48 plays position-limiting action to corresponding /V cylinder 43 and rotation axis 40；So that rotation axis 40 and second driving shaft 42 lose
Remove rotating function；I.e. idler wheel 39 loses rotating function；I.e. sick bed is now in stationary state.
Claims (5)
1. a kind of medical treatment based on bidirectional self-locking uses sick bed, it is characterised in that：It includes trigger mechanism, sick bed body, self-locking
Mechanism, wherein trigger mechanism are mounted on the upside of the baffle of sick bed body one end；Four self-locking mechanisms are separately mounted to sick bed body
On four corners of downside；
Above-mentioned trigger mechanism include supporting block, bar, triggering mounting structure, triggering drive rod, guide pad, triggering block, adjusting block,
Compress spring, first gear, guide groove, the first guide groove, installation cavity, the first guide block, connecting plate, the first rack, first rotating shaft, the
One end of one notch, limit spring, wherein supporting block is provided with the guide groove of perforation；Two supporting blocks are separately mounted to sick bed body
The both sides of one side shield upper end；Two bars are uniformly mounted to the bed board between two supporting blocks and on sick bed body；
Triggering mounting structure is made of arch connection and two mounting blocks, and two mounting blocks are separately mounted to the both ends of arch connection；It touches
Send out the upper end that mounting structure is mounted on two supporting blocks；And two mounting blocks in triggering mounting structure are located at two supports respectively
The both sides of block；Installation cavity is provided in two mounting blocks on the inside of one of mounting blocks, and the mounting blocks are close to corresponding supporting block
A side end face on be provided with the first notch, the first notch and the guide groove in corresponding supporting block coordinate, installation cavity in the mounting blocks
First guide groove there are two symmetrically being opened in the upper and lower ends face of the first notch one side；One end of triggering block has inclined-plane；It touches
One end of hair drive rod is equipped with guide pad, and the other end for triggering drive rod is equipped with triggering block；Triggering drive rod passes through guiding
Guide groove is fitted in two supporting blocks in block and triggering block and two supporting blocks；The two sides of guide pad and corresponding branch
A limit spring is separately installed on bracer between the two sides of first guide groove；The two sides of triggering block in corresponding supporting block
A limit spring is separately installed between the two sides of first guide groove；There is inclined-plane on adjusting block；The both sides of adjusting block are symmetrical
There are two the first guide blocks for ground installation；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；Inclined-plane cooperation on inclined-plane and triggering block on adjusting block；One end installation of connecting plate
Do not have on the side of inclined-plane one end on adjusting block；The other end of connecting plate is equipped with the first rack；Away from tune on connecting plate
The one side of locking nub ramp is equipped with compression spring between side corresponding on installation cavity；One end of first rotating shaft be mounted on pair
It answers on mounting blocks on the upper surface of installation cavity；First gear is mounted in first rotating shaft；First gear is engaged with the first rack；
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, /V cylinder are telescopically connected, driving plate, squeeze spring, arcuate friction piece, annular guide block, rotation slot, axis hole, annular and lead
Slot, friction plate escape groove, the 3rd transmission shaft, the first support shaft, the first support, the 4th transmission shaft, the second support, mounting hole,
Two shafts, the second rack, the 3rd shaft, the 4th shaft, the 5th shaft, the 6th shaft, the 3rd rack, second gear, the 3rd tooth
Wheel, the 4th gear, the 4th rack, the 5th gear, the 6th gear, square hole, the second guide groove, the 3rd guide groove, drive shaft hole, avoidance
Notch, the second guide block, the 3rd guide block, the lower end of wherein supporting rod are provided with rotation slot；Four are provided on inner headed face on the upside of rotation slot
A friction plate escape groove；Four friction plate escape groove are uniformly distributed up and down in pairs, and are avoided with two friction plates in group
Slot is symmetrical；Annular guide channel is provided on inner headed face on the downside of rotation slot；Square hole is provided on the periphery of supporting rod, and it is square
Hole is located at the upside of rotation slot；Second guide groove there are two symmetrically being opened on the two sides of square hole；It is provided on the side of square hole
3rd guide groove；And the 3rd guide groove be located on the downside of the second guide groove on ipsilateral；The upper end of supporting rod is mounted on the downside of sick bed body
On end face；The center of rotation axis has the axis hole of perforation；Annular guide block is installed on the periphery of rotation axis；Rotation axis passes through ring
The lower end for being fitted to supporting rod of shape guide block and annular guide channel；Axis there are two symmetrically having is installed in the U-lag of U-shaped shell
Hole；Two axis holes on the inside of installation U-shaped shell with communicating；The lower end that U-shaped shell is mounted on rotation axis is installed；One end tool of first support shaft
There is cone 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；
One end that first support shaft has cone tooth is located at through another axis hole in two axis holes on installation U-shaped shell in installation U-shaped shell
Side；Idler wheel is mounted in the first support shaft, and idler wheel is located in the U-lag on installation U-shaped shell；It opens at the both ends of 4th transmission shaft
There is cone 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
By boring tooth engagement between axis；3rd transmission shaft is mounted on the inside of installation U-shaped shell by the first support；The one of 3rd transmission shaft
The other end of end and the 4th transmission shaft is by boring tooth engagement；One end of second driving shaft has cone tooth；Second driving shaft is mounted on
In axis hole in rotation axis；The other end of one end of second driving shaft and the 3rd transmission shaft is by boring tooth engagement；/V cylinder is pacified
Mounted in the other end of second driving shaft, /V cylinder is located in rotation slot；It is symmetrically provided on inner headed face on the outside of installation toroidal shell
Two avoidance notches；Mounting hole there are four being opened on inner headed face on the outside of installation toroidal shell, four mounting holes are uniform up and down in pairs
Distribution, two mounting holes positioned at same group are symmetrical；It installs on the periphery that toroidal shell is mounted on the downside of supporting rod；Toroidal shell is installed
On two square holes avoided on notches and supporting rod coordinate；Four mounting holes on toroidal shell and four on supporting rod are installed
Friction plate escape groove coordinates；One end of second shaft is mounted on the side of square hole on supporting rod；4th gear is mounted on second
In shaft；It symmetrically installs there are two the second guide block the both sides of 4th rack；4th rack passes through two the second guide blocks and support
On bar in the square hole being fitted on supporting rod of two the second guide grooves；4th rack is engaged with the 4th gear；3rd turn
One end of axis is mounted on the side of square hole on supporting rod；3rd gear is mounted in the 3rd shaft；3rd gear and the 4th tooth
Item coordinates；One end of 5th shaft is mounted on the side of square hole on supporting rod；5th gear is mounted in the 5th shaft；5th
Gear and the 4th rack coordinate；5th gear and the 3rd gear are located at the both sides of the 4th rack respectively；One end peace of 4th shaft
The side of square hole on supporting rod；Second gear is mounted in the 4th shaft；Second gear is located at the downside of the 3rd gear,
And second gear is engaged with the 3rd gear；One end of 6th shaft is mounted on the side of square hole on supporting rod；6th gear is pacified
In the 6th shaft；6th gear is located at the downside of the 5th gear, and the 6th gear is engaged with the 5th gear；Second rack
One side is equipped with the 3rd guide block；Second rack is fitted to by the 3rd guide groove on the 3rd guide block and supporting rod on supporting rod
Square hole in；Second rack is located on the downside of second gear and the 5th gear, and the second rack respectively with second gear and the 5th
Gear engages；
The structure that installation toroidal shell inside lower end is installed is divided into two parts, installs two parts knot that the lower end on the inside of toroidal shell is installed
Structure is identical and symmetrical, and for a wherein arbitrary part, the one side of driving plate symmetrically installs that there are two be telescopically connected；
The inside for being fitted to installation toroidal shell that driving plate is telescopically connected by two with corresponding two mounting holes on installation toroidal shell；
Extruding spring is installed between disc on the inside of driving plate and installation toroidal shell；Two arcuate friction pieces are separately mounted to two flexible companies
It connects on the end face away from driving plate one side；Two arcuate friction pieces, two friction plate escape groove corresponding on supporting rod are matched somebody with somebody
It closes；Two arcuate friction pieces coordinate respectively at /V cylinder and rotation axis；3rd rack is mounted on the upper end of driving plate；
The 3rd rack of above-mentioned two engages respectively with second gear and the 6th gear；
It is connected between above-mentioned first rotating shaft and the second shaft by flexible axle.
2. a kind of medical treatment based on bidirectional self-locking according to claim 2 uses sick bed, it is characterised in that：Above-mentioned flexible company
It connects including flexible housing, flexible interior bar, driving spring, wherein one end of flexible interior bar is mounted in driving plate；Flexible housing
The nested other end for being mounted on flexible interior bar in one end；Flexible interior bar on the inside of flexible housing and flexible housing Inner end faces it
Between driving spring is installed；The other end of flexible housing is equipped with arcuate friction piece.
3. a kind of medical treatment based on bidirectional self-locking according to claim 3 uses sick bed, it is characterised in that：It is above-mentioned initial
Triggering block and adjusting block are in equilibrium state under the common elastic force of corresponding two limit springs and compression spring under state.
4. a kind of medical treatment based on bidirectional self-locking according to claim 1 uses sick bed, it is characterised in that：Above-mentioned annular is led
It is installed between block and corresponding annular guide channel by bearing.
5. a kind of medical treatment based on bidirectional self-locking according to claim 1 uses sick bed, it is characterised in that：Above-mentioned /V bullet
Spring can draw spring for that can press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382062.3A CN108095928B (en) | 2017-12-20 | 2017-12-20 | Medical sickbed based on bidirectional self-locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711382062.3A CN108095928B (en) | 2017-12-20 | 2017-12-20 | Medical sickbed based on bidirectional self-locking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108095928A true CN108095928A (en) | 2018-06-01 |
| CN108095928B CN108095928B (en) | 2019-12-17 |
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ID=62210509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711382062.3A Expired - Fee Related CN108095928B (en) | 2017-12-20 | 2017-12-20 | Medical sickbed based on bidirectional self-locking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108095928B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108969237A (en) * | 2018-06-27 | 2018-12-11 | 夏祝龙 | A kind of Neurology Critical Care bed |
| CN109124895A (en) * | 2018-07-12 | 2019-01-04 | 深圳市福来过科技有限公司 | A kind of medical stretcher based on steel cable that medical field uses |
| CN111150582A (en) * | 2020-02-25 | 2020-05-15 | 赵经燕 | Multifunctional medical sickbed |
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| CN1486251A (en) * | 2001-01-12 | 2004-03-31 | �̹��-�������� | Castor type roller controlled by motor |
| CN101692991A (en) * | 2009-09-30 | 2010-04-14 | 江阴万事兴医疗器械有限公司 | Semi-automatic triggered boarding device of boarding stretcher |
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| CN108969237A (en) * | 2018-06-27 | 2018-12-11 | 夏祝龙 | A kind of Neurology Critical Care bed |
| CN109124895A (en) * | 2018-07-12 | 2019-01-04 | 深圳市福来过科技有限公司 | A kind of medical stretcher based on steel cable that medical field uses |
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| CN111150582A (en) * | 2020-02-25 | 2020-05-15 | 赵经燕 | Multifunctional medical sickbed |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108095928B (en) | 2019-12-17 |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Jingdong Inventor after: Liu Jinlong Inventor before: Liu Jinlong |
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Effective date of registration: 20191121 Address after: 266555 Huangpu Road, Huangdao District, Shandong, Qingdao, 9 Applicant after: Qingdao Huangdao District Central Hospital Address before: 523000 Guangdong province Dongguan Songshan Lake high tech Industrial Development Zone Technology Park building 11, floor 2, 201D Applicant before: Dongguan City Song Yan Zhida Industrial Design Co. Ltd. |
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Granted publication date: 20191217 Termination date: 20201220 |