CN107334591A - It is a kind of that there is the auxiliary lift chair for pulling lifting device - Google Patents
It is a kind of that there is the auxiliary lift chair for pulling lifting device Download PDFInfo
- Publication number
- CN107334591A CN107334591A CN201710508801.2A CN201710508801A CN107334591A CN 107334591 A CN107334591 A CN 107334591A CN 201710508801 A CN201710508801 A CN 201710508801A CN 107334591 A CN107334591 A CN 107334591A
- Authority
- CN
- China
- Prior art keywords
- ratchet
- frame
- lifting device
- lifting
- cross beam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- A61G7/10—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto
- A61G7/1001—Devices for lifting patients or disabled persons, e.g. special adaptations of hoists thereto specially adapted for specific applications
- A61G7/1009—Buttock lifting device for placing bed-pans under patients
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/10—General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
- A61G2203/14—Joysticks
Abstract
The present invention discloses a kind of auxiliary lift chair for having and pulling lifting device, and it includes chair frame and synchronizing bar；The chair frame is provided with chair frame back and left handrail frame and right handrail frame, and the left handrail frame has front support leg and second cross beam；The second cross beam connection chair frame back and the upper end of front support leg；The left handrail frame and right handrail frame are symmetrical；It is respectively and fixedly provided with the left handrail frame and right handrail frame and pulls lifting device；Wherein, first connecting shaft and the second connecting shaft pass through second cross beam, and the gear train and ratchet mechanism are on the outside of the second cross beam, and two connecting rods being hinged with crossbeam are close to the inner side of crossbeam.The present invention pulls lifting device by pulling and drives inconvenient person to stand up, prevent that pulling lifting device down overturns by ratchet mechanism, the lifting frame for pulling lifting device can adjust height within the specific limits, to match the people of different heights, the people of different shoulder breadths can be matched by the distance of the upper end of two lifting frame of adjustment.
Description
Technical field
The present invention relates to life house technical field, more particularly to it is a kind of have pull the auxiliary lift chair of lifting device.
Background technology
Chair has turned into the daily necessities of people in daily life.People are sitting on common seat and to stand up or sit
, it is necessary to which leg flesh firmly supports ability execution when lower.But complete This move more for the elderly or the people of leg myasthenia
It is difficult.The elderly or the people of leg myasthenia, which stand up and sat down, to be required for by external force ability execution.
Existing Publication No. CN104274283B patent of invention is a kind of to have aided in the chair sat, it include seat, connecting rod,
The slider-rocker mechanism that the parallel-crank mechanism and chair body, sliding block, connecting rod and rocking bar of connecting rod and rocking bar composition form.Institute
Two kinds of Mechanism Combinations are stated into six-bar mechanism.One end of push rod is hinged with rocking bar, and the other end is hinged with rocking bar, and one end of rocking bar is with pushing away
Bar is hinged, and the other end is hinged with worm-wheel shaft, and rocking bar rotates six bar combined mechanisms of driving.When standing up, worm gear, worm-drive drive
Rocking bar rotates clockwise, and makes push rod drive rocking bar to rotate, sliding block is moved up along internal chute, while seat turns around bearing pin
Dynamic, auxiliary user stands.When sitting down, user's buttocks is close to seat, and rocking bar rotates counterclockwise so that rocking bar band movable slider
Move down, while seat support user and sat down；The chair for having aided in sitting is when helping people to stand up, seat support upset,
Accident easily occurs with seat rotating for the body of people, for example people grab the handrail of unstable chair and fallen down, while uses
It is also inconvenient to come, and the angle turned on seat support is too big, easily allows people to be slipped from seat support, the angle turned on seat support is too small, Ren Menyou
Chair can not be leaned on to stand up.
The content of the invention
The technical problems to be solved by the invention are, for the above-mentioned deficiency of prior art, propose that one kind has and pull
The auxiliary lift chair of lifting device.
It is a kind of auxiliary lift chair for having and pulling lifting device that the present invention, which solves the technical scheme that its technical problem uses,.
One kind pulls lifting device, and it includes：
Gear train, it is connected with hand lever, and the hand lever is used to drive the gear train；
Lifting frame, it is connected with the gear train, and lifting frame described in the gear set drive of rotation rises or falls；
Automatic division ratchet mechanism, the automatic ratchet mechanism are connected with the gear train, the automatic division ratchet machine
Structure is provided with ratchet, ratchet and automatic division component；
When ratchet rotates clockwise and the ratchet is more than the first default slewing area, the automatic division component makes
Ratchet and pawl separates；When ratchet rotates counterclockwise and the ratchet is more than the second default slewing area, described automatic point
Seaming element engages ratchet and pawl.
Further, the gear train is provided with the first connecting shaft, the second connecting shaft, the first tooth being enclosed in the first connecting shaft
Second gear, the first unilateral bearing and the second unilateral bearing take turns, being enclosed in the second connecting shaft, first unilateral bearing are enclosed on
It is fixedly connected in first connecting shaft and with the hand lever, second unilateral bearing is arranged at the first connecting shaft and first gear
Between, first gear and the second gear engagement.
Further, the automatic division component is provided with the ratchet sleeve being enclosed on ratchet, is arranged at the end face of the ratchet
On the first spacer pin and the second spacer pin, the ratchet sleeve in sector, when the ratchet rotated clockwise is default more than first
During slewing area, first spacer pin promotes the ratchet sleeve, and the ratchet sleeve promotes ratchet to make ratchet and the ratchet point
From；When the ratchet rotated counterclockwise is more than the second default slewing area, second spacer pin promotes ratchet sleeve, and ratchet is multiple
Engaged with the ratchet position.
Further, the lifting frame is provided with handle；It is described to shake hands to be fixed on the upper end of lifting frame, under the lifting frame
End has first crossbeam, and the rear end of the first crossbeam is hinged with first connecting rod, and the front end of the first crossbeam is hinged with second
Connecting rod, the first connecting rod are fixed in the second connecting shaft；
The lifting frame also has two support bars, connects the lap bars and two fixed cylinders of two support bars, and two solid
Safety barrel is fixed on the leaning to one side of the first crossbeam, and the lower end of the support bar is stretched into the fixed cylinder, the lap bars position
In the top of the fixed cylinder, the fixed cylinder has multiple spacing holes, and the multiple spacing hole is arranged in a row up and down.
Further, there is lifting adjuster in the lifting frame, the lifting adjuster have regulation button, iron wire and
Bayonet lock；The iron wire stretches into from a support bar, by lap bars, is passed from another support bar, the both ends of the iron wire
It is fixedly connected with the bayonet lock, the bayonet lock passes through spacing hole；The regulation button has push rod, and the push rod is scheduled on described
On iron wire.
It is a kind of have pull the auxiliary lift chair of lifting device, including：
Chair frame, provided with chair frame back and left handrail frame and right handrail frame, the left handrail frame has front support leg and second
Crossbeam；The second cross beam connection chair frame back and the upper end of front support leg；The left handrail frame and right handrail frame are symmetrical；
It is respectively and fixedly provided with the left handrail frame and right handrail frame and pulls lifting device；Wherein, first connecting shaft and
Two connecting shafts pass through second cross beam, the gear train and automatic division ratchet mechanism on the outside of the second cross beam, and described the
One connecting rod is hinged close to the inner side of second cross beam, the second connecting rod with the second cross beam.
Further, in addition to the first spring, one end of first spring are fixed on the outside of the second cross beam, its
The other end is connected with ratchet.
Further, the chair frame back is provided with two second springs, and the chair frame back passes through described two second
Spring is connected with two hand levers respectively.
Further, in addition to telescopic synchronizing bar, the fixation of the synchronizing bar respectively with two lifting frame
Upper end is fixedly connected.
Further, the front end of the second cross beam is provided with limited block, and the limited block is used to turn as second connecting rod
Arena limits；
The inner side of the second cross beam is provided with dividing plate, and the dividing plate rotates counterclockwise as first connecting rod and second connecting rod
Boundary.
The present invention pulls lifting device and drives the inconvenient person that stands up to stand up by pulling, and prevents from pulling by ratchet mechanism and carries
Rise device down to overturn, the lifting frame for pulling lifting device can adjust height within the specific limits, to match different bodies
Long people, the people of different shoulder breadths can be matched by the distance of the upper end of two lifting frame of adjustment.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is the connection diagram for pulling lifting device of the present invention；
Fig. 3 is the automatic division ratchet mechanism of the present invention；
Fig. 4 is the half-section diagram of the lifting frame of the present invention.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described,
But the present invention is not limited to these embodiments.
Fig. 1-Fig. 4 is refer to, the present invention is a kind of to have the auxiliary lift chair for pulling lifting device, and it includes pulling lifting dress
Put 100 and chair frame 200.
Lifting device 100 will be pulled to be arranged on the handrail on the left side of chair frame 200 and right side, start to draw lifting dress by pulling
100 auxiliary people are put to stand up on chair.
The lifting device 100 that pulls includes gear train 120, automatic division ratchet mechanism 130 and lifting frame 110, gear
There is hand lever 140 in group 120, by pulling the drive gear set 120 of hand lever 140, the drive lifting frame 110 of gear train 120 with
Rotate clockwise, when the lifting frame 110 is to rotate clockwise, the lifting frame 110 is in elevated state.
Embodiment 1：
Gear train 120, it is connected with hand lever 140, and the hand lever is used to drive the gear train 120；
Lifting frame 110, it is connected with the gear train 120, and the gear train 120 of rotation drives the lifting frame 110 to rise
Or decline；
Automatic division ratchet mechanism, the automatic ratchet mechanism are connected with the gear train 120, the automatic division ratchet
Mechanism is provided with ratchet 131, ratchet 132 and automatic division component；
When ratchet 131 rotates clockwise and the ratchet 131 is more than the first default slewing area, the automatic division
Component separates ratchet 131 and ratchet 132；When ratchet 131 rotates counterclockwise and the ratchet 131 is more than the second default rotation
During scope, the automatic division component engages ratchet 131 and ratchet 132.
First default slewing area is that ratchet 131 and ratchet 132 engage, and ratchet 131 can only rotate clockwise, ratchet
131 rotate more than the scope, and ratchet 131 can rotate counterclockwise.
Second default slewing area is that ratchet 131 and ratchet 132 are in released state, in the range of this, ratchet 131
Can rotate clockwise to rotate counterclockwise, rotate clockwise the limit by control first connecting rod 119a rotational limitation come
Control, the limit rotated counterclockwise are that the second spacer pin 135 promotes ratchet sleeve 133, allow ratchet sleeve 133 from ratchet 132 and ratchet
Depart between 131, ratchet 132 resets to be engaged with the ratchet 131.
The gear train 120 be provided with the first connecting shaft 121, the second connecting shaft 122, be enclosed in the first connecting shaft 121 the
One gear 123, the second gear 124 being enclosed in the second connecting shaft 122, the first unilateral bearing 125 and the second unidirectional rotating shaft 126,
The first gear 123 and second gear 124 engage；Hand lever 140 is fixed on first unilateral bearing 125；With counterclockwise
Direction pulls hand lever 140, and the hand lever 140 drives first connecting shaft 121 to rotate counterclockwise, the first gear
123 rotate counterclockwise, and the second gear 124 engaged with the first gear 123 rotates clockwise, first unilateral bearing
125 do not relatively rotate with the hand lever 140, when to pull hand lever 140 clockwise, the hand lever 140 with
First connecting shaft 121 rotates clockwise for fulcrum, the transfixion of the first connecting shaft 121.
The automatic division ratchet mechanism 130 is provided with second gear 124 with dog end 131, ratchet 132 and automatic
Division component, the ratchet sleeve 133 that division component includes being enclosed on ratchet 131 described automatically, it is arranged on the end face of ratchet 131
First spacer pin 134 and the second spacer pin 135, the ratchet sleeve 133 is in sector, when the ratchet 131 rotated clockwise is more than the
During one default slewing area, first spacer pin 134 promotes the ratchet sleeve, and the ratchet sleeve promotes the ratchet to make spine
Pawl separates with ratchet 131；Now, ratchet exits from the teeth groove of ratchet 131；Wherein, ratchet 131 is in the first default rotation model
When being rotated within enclosing, ratchet 131 can only rotate clockwise, and ratchet, which blocks ratchet 131, prevents ratchet 131 from rotating counterclockwise.
When the ratchet 131 rotated counterclockwise is more than the second default slewing area, second spacer pin 135 promotes spine
Wheel case, ratchet pawl reset (ratchet is stretched into the teeth groove of ratchet 131) engage with ratchet 131, and wherein ratchet 131 is at second default turn
When being rotated within the scope of dynamic, ratchet does not limit the rotation direction of ratchet 131.
When ratchet 131 rotates, the first spacer pin 134 or the second spacer pin 135 on the ratchet 131 promote ratchet sleeve
133 are rotated, and the ratchet 132 is stretched into the teeth groove of ratchet 131 and rotated counterclockwise with limiting ratchet 131.
When second gear 124 rotates clockwise, also to rotate clockwise, described second connects second connecting shaft 122
Spindle 122 drives lifting frame 110 also to be rotated with smoothly hour hands；The ratchet 132 is stretched into the teeth groove of the ratchet 131, described
For ratchet 131 to rotate clockwise in default scope, the ratchet 132 can prevent the ratchet 131 from rotating counterclockwise.
If when rotating more than the first default slewing area of ratchet 131, the first spacer pin 134 on ratchet 131 contacts
To ratchet sleeve 133, the first spacer pin 134 promotes the ratchet sleeve 133 to rotate, and the rotation of ratchet sleeve 133 is by ratchet 132 from ratchet
Exited in 131 teeth groove, the ratchet sleeve 133 is stuck between the teeth groove of ratchet 132 and ratchet 131, and now, ratchet 132 can not
Ratchet 131 is limited to rotate counterclockwise, if ratchet 131 is to rotate counterclockwise to the second default slewing area, described the
Two spacer pins 135 touch the ratchet sleeve 133, promote ratchet sleeve 133 to rotate counterclockwise, and the ratchet sleeve 133 is from ratchet
Exited between 132 and ratchet 131, ratchet 132 is stretched into the teeth groove of ratchet 131 again.
The lifting frame 110 is provided with handle 111；The handle 111 is fixed on the upper end of lifting frame 110, the lifting frame
110 lower end has first crossbeam 112, and the rear end of the first crossbeam 112 is hinged with first connecting rod 119a, the first crossbeam
112 front end is hinged with second connecting rod 119b, and the first connecting rod 119a is fixed in the second connecting shaft 122.
When second connecting shaft 122 is to rotate clockwise, the first connecting rod 119a is also to rotate clockwise, the lifting frame
110 from initial position to be rotated clockwise to final position during, the lifting frame 110 first raises to be declined again, it is described just
Position of beginning position when being first connecting rod 119a and second connecting rod 119b parallel with first crossbeam 112.The final position is
The position for the maximum angle that first connecting rod 119a can be rotated, the initial position that the first connecting rod 119a is rotated to terminal
The slewing area of position is corresponding with the default slewing area of the ratchet 131.
The lifting frame 110 has two support bars 113, the lap bars 114 for connecting two support bars 113 and two fixations
Cylinder 115, two fixed cylinders 115 are fixed on the leaning to one side of the first crossbeam 112, and the lower end of the support bar 113 is stretched into described
In fixed cylinder 115, the lap bars 114 are located at the top of the fixed cylinder 115, and the fixed cylinder 115 has multiple spacing holes,
The multiple spacing hole is arranged in a row up and down.
There is lifting adjuster, the lifting adjuster has regulation button 116, the and of iron wire 117 in the lifting frame 110
Bayonet lock 118；The iron wire 117 penetrates from a support bar 113, by lap bars 114, is passed from another support bar 113,
The both ends of the iron wire 117 are fixedly connected with the bayonet lock 118 respectively, and the bayonet lock passes through spacing hole；The regulation button 116
With push rod, the push rod is scheduled on the iron wire 117.The both ends of the iron wire 117 are cased with bayonet lock spring, the bayonet lock spring
One end props up bayonet lock 118, and the other end props up support bar 113, and the bayonet lock spring is cased with anti-turn round and covered, and prevents bayonet lock spring bending.
The height adjustable of the lifting frame 110, wherein, the intensity of two fixed cylinders 115 is sufficiently large, two support bars
113 positions stretched out from two fixed cylinders 115 are more, and the lifting frame 110 is higher.
The height of the lifting frame 110 can also have by the lifting adjuster come what is adjusted in regulation button 116
The lap bars 114 are withstood in two little springs, one end of the little spring, and its other end props up the regulation button 116, pressed
Regulation button 116, push rod withstand the iron wire 117, and the both ends of iron wire 117 are in compressed state, institute to middle shrinkage, bayonet lock spring
Bayonet lock is stated from the spacing hole pinch in, then adjusts the relative position of support bar 113 and the fixed cylinder 115 and then adjusts lifting
The height of frame 110, the regulation button 116 is unclamped, two little springs extend naturally, and the bayonet lock spring extends naturally, described
Spacing hole is stretched out in the fixed cylinder 115 of bayonet lock 118, so that support bar 113 is fixed in fixed cylinder 115.Adjusted by lifting
Device adjusts the height of lifting frame 110, and the height of lifting frame 110 can be matched from the people of different heights.
The lifting frame 110 is in lifting process：Hand lever 140 is pulled repeatedly, realizes the intermittent uplifts of lifting frame 110, hand
When pull bar 140 rotates counterclockwise, first connecting shaft 121 rotates counterclockwise, and the first gear 123 rotates counterclockwise, band
Move the second gear 124 to rotate clockwise, the second gear 124 rotates clockwise, and the second connecting shaft 122 is also with the second tooth
Wheel 124 rotates clockwise, and the second connecting shaft 122 drives first connecting rod 119a to rotate clockwise, and first connecting rod 119a is by traverse shape
State rises to upright state, lifting frame 110, and when hand lever 140 only rotates counterclockwise, lifting frame 110 just understands lifting, when pulling
When bar 140 rotates clockwise, because the first unilateral bearing 125, it is impossible to drive first rotary shaft to rotate, therefore pull
When rotating clockwise of bar 140, the transfixion of lifting frame 110 (do not rise and do not drop).
To decline lifting frame 110, hand lever 140 is pulled counterclockwise, rotates clockwise ratchet, until first spacing
Pin 134 promotes ratchet sleeve 133, allows ratchet sleeve 133 to push ratchet 132 from the teeth groove in ratchet 131 open, ratchet sleeve 133 is stuck in
Between the ratchet 132 and ratchet 131, now, the ratchet 131 can rotate counterclockwise, and rotate counterclockwise first connecting rod
119a, the lifting frame 110 decline, and now, the second connecting shaft 122 rotates counterclockwise, and ratchet 131 rotates counterclockwise, and described
Two gears 124 rotate counterclockwise, and second gear 124 drives the first gear 123 to rotate clockwise.Because of the He of first gear 123
The second unilateral bearing 126 is provided between first connecting shaft 121, therefore first connecting shaft 121 does not rotate with first gear 123,
Therefore, lifting frame 110 is during decline, the transfixion of hand lever 140.
Embodiment 2：
Lifting device 100 will be pulled to set on the left side of chair frame 200 and the arm-rest frame on right side, the chair frame 200 is set
There are chair frame back 210 and left handrail frame 220 and right handrail frame 230；The left handrail frame 220 has front support leg 221 and second
Crossbeam 222；The second cross beam 222 connects chair frame back 210 and the upper end of front support leg 221；The left handrail frame 220 is helped with the right side
Hand cradle 230 is symmetrical.
It is respectively and fixedly provided with the left handrail frame 220 and right handrail frame 230 and pulls lifting device 100；Wherein, described first connects
The connecting shaft 122 of spindle 121 and second passes through second cross beam 222, and the gear train 120 and automatic division ratchet mechanism 130 are close
The outside of the second cross beam 222, the first connecting rod 119a close to the inner side of second cross beam 222, the second connecting rod 119b with
The second cross beam 222 is be hinged.
When using with the auxiliary lift chair for pulling lifting device 100, the lifting frame 110 is supported on the armpit of people
Under, left hand pulls the pull bar simultaneously with the right hand, and pull bar counterclockwise drives gear train 120, and gear train 120 drives the lifting frame
110 are rotated, and first connecting rod 119a and second connecting rod 119b wherein in lifting frame 110 are rotated clockwise.
The outside of the second cross beam 222 is fixed with the first spring, and the lower end of first spring is fixed on second cross beam
222 outside, its other end connect the head of the ratchet 132, and the outside of the ratchet 132 and the second cross beam 222 is cut with scissors
Connect, when ratchet 131 is to rotate clockwise, the teeth groove for stretching into ratchet 131 repeatedly of ratchet 132 and the tooth for exiting ratchet 131
The two actions of groove, the teeth groove that first spring stretches into ratchet 131 for ratchet 132 provide power.
The chair frame back 210 is provided with two second springs 211, and the chair frame back 210 passes through described two second
Spring 211 is connected with two hand levers 140 respectively, and the second spring 211 can limit the model that hand lever 140 rotates clockwise
Enclose, when people's imprudence pulls hand lever 140 excessive, hand lever 140 can provide certain support force for people, avoid people
Fall down.
The front end of the second cross beam 222 is provided with limited block 223, and the limited block 223 is used to be used as second connecting rod 119b
Rotation boundary, there is damping spring, the position of limited block 223 is that second connecting rod 119b is suitable on the limited block 223
The extreme position that hour hands rotate, the damping spring on the limited block 223 play cushioning effect, avoid making second connecting rod 119b direct
Limited block 223 is struck, avoids the sense of discomfort of hard landing.
Telescopic synchronizing bar 300, the upper end of the fixation of the synchronizing bar 300 respectively with two lifting frame 110 are consolidated
Fixed connection, the distance of the upper end of two lifting frame 110 can be adjusted by synchronizing bar 300, allow left side and right side as far as possible
Lifting frame 110 can be supported on the oxter of people.
The inner side of the second cross beam 222 is provided with dividing plate, and the dividing plate is as first connecting rod 119a and second connecting rod 119b
The boundary rotated counterclockwise.
In this embodiment, after human body is stood firm, pull lifting frame 140 to second connecting rod 119b into contact with limited block
When 223, now ratchet sleeve 133 is turned in the presence of the first spacer pin 134 and just contacted with ratchet 132, and ratchet 132 is small
Ratchet sleeve 133 is pushed down under the pulling of spring, now ratchet 131, ratchet 132 separate, then first connecting rod 119a can be counterclockwise
Rotate.(it will be contacted when rotating close to initial position with shelf), the second spacer pin 135 is just by ratchet sleeve 133 toward setting aside
When first connecting rod 119a, second connecting rod 119b and shelf completely attach to, ratchet 131, ratchet 132 just contact again.
The downside with the auxiliary lift chair for pulling lifting device can be provided with closestool 400, and the closestool 400 wraps
Include backrest 410 and toilet seat 420；The closestool 400 is arranged at the lower section of chair frame 200, and closestool 400 is set below chair frame 200, can
To facilitate handicapped person to go to toilet, handicapped person can utilize and be stood up with the auxiliary lift chair for pulling lifting device 100.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (10)
1. one kind pulls lifting device, it is characterised in that including：
Gear train, it is connected with hand lever, and the hand lever is used to drive the gear train；
Lifting frame, it is connected with the gear train, and lifting frame described in the gear set drive of rotation rises or falls；
Automatic division ratchet mechanism, the automatic ratchet mechanism are connected with the gear train, and the automatic division ratchet mechanism is set
There are ratchet, ratchet and automatic division component；
When ratchet rotates clockwise and the ratchet is more than the first default slewing area, the automatic division component makes ratchet
Separated with ratchet；When ratchet rotates counterclockwise and the ratchet is more than the second default slewing area, the automatic division group
Part engages ratchet and pawl.
2. one kind pulls lifting device according to claim 1, it is characterised in that：The gear train be provided with the first connecting shaft,
Second connecting shaft, the first gear being enclosed in the first connecting shaft, the second gear being enclosed in the second connecting shaft, the first unilateral bearing
With the second unilateral bearing, first unilateral bearing is enclosed in the first connecting shaft and is fixedly connected with the hand lever, and described
Two unilateral bearings are arranged between the first connecting shaft and first gear, first gear and the second gear engagement.
3. one kind pulls lifting device according to claim 2, it is characterised in that：The automatic division component, which is provided with, is enclosed on spine
Ratchet sleeve on wheel, the first spacer pin and the second spacer pin being arranged on the end face of the ratchet, the ratchet sleeve in sector,
When the ratchet rotated clockwise is more than the first default slewing area, first spacer pin promotes the ratchet sleeve, described
Ratchet sleeve promotes ratchet ratchet is separated with the ratchet；When the ratchet rotated counterclockwise is more than the second default slewing area
When, second spacer pin promotes ratchet sleeve, and ratchet pawl reset engages with the ratchet.
4. one kind pulls lifting device according to claim 3, it is characterised in that：The lifting frame is provided with handle；The drawing
Hand is fixed on the upper end of lifting frame, and the lower end of the lifting frame has first crossbeam, and the rear end of the first crossbeam is hinged with
One connecting rod, the front end of the first crossbeam are hinged with second connecting rod, and the first connecting rod is fixed in the second connecting shaft；
The lifting frame also has two support bars, connects the lap bars and two fixed cylinders of two support bars, two fixed cylinders
It is fixed on the leaning to one side of the first crossbeam, the lower end of the support bar is stretched into the fixed cylinder, and the lap bars are located at institute
The top of fixed cylinder is stated, the fixed cylinder has multiple spacing holes, and the multiple spacing hole is arranged in a row up and down.
5. one kind according to claim 4 pulls lifting device, it is characterised in that：There is lifting regulation in the lifting frame
Device, the lifting adjuster have regulation button, iron wire and bayonet lock；The iron wire stretches into from a support bar, by overlap joint
Bar, passed from another support bar, the both ends of the iron wire are fixedly connected with the bayonet lock, and the bayonet lock passes through spacing hole；
The regulation button has push rod, and the push rod is scheduled on the iron wire.
6. a kind of have the auxiliary lift chair for pulling lifting device, it is characterised in that including：
Chair frame, provided with chair frame back and left handrail frame and right handrail frame, the left handrail frame has front support leg and second cross beam；
The second cross beam connection chair frame back and the upper end of front support leg；The left handrail frame and right handrail frame are symmetrical；
It is respectively and fixedly provided with the left handrail frame and right handrail frame and pulls lifting device according to any one of claim 1 to 5；
Wherein, first connecting shaft and the second connecting shaft pass through second cross beam, and the gear train and automatic division ratchet mechanism are close
On the outside of the second cross beam, the first connecting rod is cut with scissors close to the inner side of second cross beam, the second connecting rod with the second cross beam
Connect.
It is 7. according to claim 6 a kind of with the auxiliary lift chair for pulling lifting device, it is characterised in that：Also include the
One spring, one end of first spring are fixed on the outside of the second cross beam, and its other end is connected with ratchet.
It is 8. according to claim 6 a kind of with the auxiliary lift chair for pulling lifting device, it is characterised in that：The chair frame
Back is provided with two second springs, and the chair frame back is connected with two hand levers respectively by two described second springs.
It is 9. according to claim 6 a kind of with the auxiliary lift chair for pulling lifting device, it is characterised in that：Also including can
Flexible synchronizing bar, the upper end of the fixation of the synchronizing bar respectively with two lifting frame are fixedly connected.
It is 10. according to claim 6 a kind of with the auxiliary lift chair for pulling lifting device, it is characterised in that：Described
The front end of two crossbeams is provided with limited block, and the limited block is used for the rotation boundary as second connecting rod；
The inner side of the second cross beam is provided with dividing plate, the boundary that the dividing plate rotates counterclockwise as first connecting rod and second connecting rod
Limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710508801.2A CN107334591B (en) | 2017-06-28 | 2017-06-28 | Auxiliary rising chair with hand-pulling lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710508801.2A CN107334591B (en) | 2017-06-28 | 2017-06-28 | Auxiliary rising chair with hand-pulling lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107334591A true CN107334591A (en) | 2017-11-10 |
| CN107334591B CN107334591B (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710508801.2A Active CN107334591B (en) | 2017-06-28 | 2017-06-28 | Auxiliary rising chair with hand-pulling lifting device |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN107669424A (en) * | 2017-11-13 | 2018-02-09 | 长沙宁湖机械设备有限公司 | A kind of auxiliary with lifting device is stood up wheelchair |
| CN107714336A (en) * | 2017-11-13 | 2018-02-23 | 长沙宁湖机械设备有限公司 | A kind of wheelchair with hand hoisting device |
| CN107753198A (en) * | 2017-11-13 | 2018-03-06 | 长沙宁湖机械设备有限公司 | A kind of aiding upright device |
| CN107789132A (en) * | 2017-11-13 | 2018-03-13 | 长沙宁湖机械设备有限公司 | A kind of auxiliary with lifting device is stood up wheelchair |
| CN107913147A (en) * | 2017-11-13 | 2018-04-17 | 长沙宁湖机械设备有限公司 | One kind pulls lifting device |
| CN108741847A (en) * | 2018-06-27 | 2018-11-06 | 厦门加正科技有限公司 | A kind of convenience and the public chair that seat can be automatically switched |
| CN110154298A (en) * | 2019-06-27 | 2019-08-23 | 归中实业(上海)有限公司 | A kind of gloves automated production impregnation control mechanism |
| CN110313950A (en) * | 2019-08-13 | 2019-10-11 | 北京鼎翰科技有限公司 | A kind of liver and gall surgical department's operation hooking device |
| CN111658379A (en) * | 2020-05-12 | 2020-09-15 | 武汉理工大学 | Help old subassembly of standing and collapsible domestic help old device of standing |
| CN113057512A (en) * | 2021-03-23 | 2021-07-02 | 西京学院 | Crank type squatting and sitting auxiliary device and closestool |
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| CN107714336B (en) * | 2017-11-13 | 2020-05-05 | 深圳市人民医院 | Wheelchair with manual lifting device |
| CN107714336A (en) * | 2017-11-13 | 2018-02-23 | 长沙宁湖机械设备有限公司 | A kind of wheelchair with hand hoisting device |
| CN107753198A (en) * | 2017-11-13 | 2018-03-06 | 长沙宁湖机械设备有限公司 | A kind of aiding upright device |
| CN107789132A (en) * | 2017-11-13 | 2018-03-13 | 长沙宁湖机械设备有限公司 | A kind of auxiliary with lifting device is stood up wheelchair |
| CN107913147A (en) * | 2017-11-13 | 2018-04-17 | 长沙宁湖机械设备有限公司 | One kind pulls lifting device |
| CN107669424A (en) * | 2017-11-13 | 2018-02-09 | 长沙宁湖机械设备有限公司 | A kind of auxiliary with lifting device is stood up wheelchair |
| CN107647988A (en) * | 2017-11-13 | 2018-02-02 | 长沙宁湖机械设备有限公司 | A kind of aiding upright device |
| CN108741847B (en) * | 2018-06-27 | 2024-01-02 | 厦门加正科技有限公司 | Public chair convenient to use and capable of automatically switching chair surfaces |
| CN108741847A (en) * | 2018-06-27 | 2018-11-06 | 厦门加正科技有限公司 | A kind of convenience and the public chair that seat can be automatically switched |
| CN110154298A (en) * | 2019-06-27 | 2019-08-23 | 归中实业(上海)有限公司 | A kind of gloves automated production impregnation control mechanism |
| CN110154298B (en) * | 2019-06-27 | 2024-03-01 | 归中智能装备(南通)有限公司 | Glove automated production gum dipping control mechanism |
| CN110313950A (en) * | 2019-08-13 | 2019-10-11 | 北京鼎翰科技有限公司 | A kind of liver and gall surgical department's operation hooking device |
| CN111658379A (en) * | 2020-05-12 | 2020-09-15 | 武汉理工大学 | Help old subassembly of standing and collapsible domestic help old device of standing |
| CN113057512B (en) * | 2021-03-23 | 2023-08-08 | 西京学院 | Crank type squatting and sitting body lifting auxiliary device and closestool |
| CN113057512A (en) * | 2021-03-23 | 2021-07-02 | 西京学院 | Crank type squatting and sitting auxiliary device and closestool |
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