CN107837148A - A kind of medical wheelchair - Google Patents
A kind of medical wheelchair Download PDFInfo
- Publication number
- CN107837148A CN107837148A CN201710449419.9A CN201710449419A CN107837148A CN 107837148 A CN107837148 A CN 107837148A CN 201710449419 A CN201710449419 A CN 201710449419A CN 107837148 A CN107837148 A CN 107837148A
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- CN
- China
- Prior art keywords
- spiral shell
- shell type
- trestle
- fortune
- pedal
- 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
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
-
- 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
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1056—Arrangements for adjusting the seat
- A61G5/1067—Arrangements for adjusting the seat adjusting the backrest relative to the seat portion
-
- 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
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
- A61G5/122—Rests specially adapted therefor, e.g. for the head or the feet for the back
-
- 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
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
- A61G5/128—Rests specially adapted therefor, e.g. for the head or the feet for feet
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Handcart (AREA)
- Toys (AREA)
Abstract
The invention discloses a kind of medical wheelchair, including main body, pedal base and the first trestle and the second trestle being separately positioned at left and right sides of pedal base top surface, main body includes the adjustable angle chair back and cushion, cushion is fixedly installed on wheelchair frame top, roller is respectively arranged with four pin of wheelchair frame, wheelchair frame front end is provided with pedal base, conversion chamber is provided with first trestle, lock chambers are provided with the first trestle on the right side of conversion chamber, partition panel is provided between conversion chamber and lock chambers, convolution is connected with the rotation cylinder set towards left side elongation in partition panel, it is internal on the left of lock chambers to be fixed with locking device, sliding fortune is connected with interior spiral shell type lock sleeve in locking device；The present invention is simple in construction, easy to operate, can realize automatic switchover locking and pedal angle modulation work, can meet that various sizes of pedal carries out pedal angle modulation work, cost-effective.
Description
Technical field
The present invention relates to medichair field, specifically a kind of medical wheelchair.
Background technology
Wheelchair belongs to one kind of medical wheelchair, is limbs the disabled walking-replacing tool.The pedal of traditional push chairs is all
Parallel to bottom surface, can not angle modulation, patient's foot drop keeps flat and uncomfortable, influences occupant and followed about putting forth effort the blood at position
Timing after ring, the especially chair back need, and it is not suitable with the demand of wheelchair user.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of medical wheelchair, and it can solve the problem that above-mentioned show in the art
The problem of.
The present invention is achieved through the following technical solutions：A kind of medical wheelchair of the present invention, including main body, pedal
Seat and the first trestle and the second trestle being separately positioned at left and right sides of the pedal base top surface, the main body include adjustable angle
The chair back and cushion, the cushion is fixedly installed on wheelchair frame top, roller is respectively arranged with described four pin of wheelchair frame, described
Wheelchair frame front end is provided with the pedal base, is provided with first trestle and changes chamber, and described first on the right side of the conversion chamber
Lock chambers are provided with trestle, partition panel is provided between the conversion chamber and the lock chambers, circling round to coordinate in the partition panel connects
The rotation cylinder set towards left side elongation is connected to, inside is fixed with locking device on the left of the lock chambers, is slided in the locking device
Fortune is connected with interior spiral shell type lock sleeve, and spiral shell type line is connected with spiral shell type line rotation cylinder, the lock in the interior spiral shell type lock sleeve
Tight device front and rear sides medial surface equity is provided with guide channel, and sliding fortune is connected with and spiral shell type line rotation cylinder in the guide channel
The guiding block being fixedly connected, extension probes on the outside of the conversion intracavitary and end pin that to be fixed with first tapered on the left of the rotation cylinder
Wheel, the rotation cylinder right side end pin are fixedly connected with spiral shell type line rotation cylinder left end, the lock chambers on the right side of the locking device
In be provided with locking plate, the first swing arm set towards left and right sides elongation is combined with the rotation cylinder, is stretched on the left of first swing arm
Long end pin probes into the conversion intracavitary and is connected with medial surface convolution on the left of the conversion chamber, is stretched on the right side of first swing arm
Long section is fixedly connected after penetrating the spiral shell type line rotation cylinder with the locking plate left end, and the locking plate right flank is provided with to be stretched towards right side
Long the second swing arm set, the second swing arm right side extension penetrates the first trestle right flank and convolution is connected,
First is provided with the conversion chamber trailing flank and slides fortune groove, the angle modulation spiral shell type that left and right extends setting is provided with the first cunning fortune groove
Bar, spiral shell type line is connected with angle modulation and slides fortune block on the angle modulation spiral shell type bar, and the left and right sides of fortune block leading flank is slided in the angle modulation
Equity is provided with the guid arm for probeing into the conversion intracavitary, and the card set towards left and right sides elongation is connected with the guid arm
Mandrel, sliding fortune is connected with bilateral tapered wheel, the first tapered wheel on the clamping shaft between guid arm described in two groups
The first swing arm outer surface in left side is fixedly installed the second tapered wheel, is provided with first trestle and is spaced apart device.
Preferably technical scheme, the first trestle bottom surface are fixedly connected with the pedal base bottom surface, the pedal
The second of left and right elongation setting is provided with seat right flank and slides fortune groove, described second slides first set in fortune groove provided with left and right elongation
Spiral shell type bar, the first spiral shell type bar left end are slided medial surface convolution on the left of fortune groove with described second and are connected, the first spiral shell type
Bar right-hand member and the first power set are connected, and the first power set outer surface is arranged at described second and slided on the right side of fortune groove
In side and it is fixedly connected, described second, which slides sliding fortune in fortune groove, is connected with and the first spiral shell type bar spiral shell type line mating connection
First slide fortune block, the second trestle bottom surface with described first slide transport block top surface be fixedly connected and with the top surface of the pedal base
Sliding fortune coordinates.
Preferably technical scheme, the first trestle right-hand member and the second trestle left end are relative to be provided with convolution engagement
Part, it is connected between the fastener that circled round described in two groups and is provided with pedal, end pin is extended on the right side of second swing arm and is elongated to institute
State outside the first trestle right flank and end pin is fixedly connected with the convolution fastener of the first trestle right-hand member, second frame
The convolution fastener of post right-hand member is connected with the second trestle left surface convolution.
Preferably technical scheme, the angle modulation spiral shell type bar left end and the second power set are connected, and described second
Power set outer surface is arranged at described first and slides on the left of fortune groove in medial surface and be fixedly connected, the angle modulation spiral shell type bar right-hand member with
Described first, which slides medial surface convolution on the right side of fortune groove, is connected.
Preferably technical scheme, the clamping shaft left end and the 3rd power set are connected, the 3rd power
Outside of deivce face is arranged in the conversion chamber left surface and is fixedly connected, the clamping shaft right-hand member and the conversion chamber right flank
Convolution is connected.
Preferably technical scheme, the bilateral tapered wheel is positioned at the described second tapered wheel and the described first tapered wheel
Between.
Preferably technical scheme, the interior spiral shell type lock sleeve right flank are fixed with composite pad, the composite pad phase
To the locking plate left surface above and below equity be provided with trigger, the trigger electrically connects with the 3rd power set.
Preferably technical scheme, the pedal left and right ends are equipped with clamping slot, the first trestle right-hand member and
The convolution fastener opposite side of the second trestle left end be respectively equipped with to described in the pedal left and right ends
The clamping block that clamping slot is connected.
Preferably technical scheme, the placed cavity for being spaced apart device and including being arranged on the first trestle inner bottom part,
Be provided with the placed cavity and be spaced apart device, it is described be spaced apart also openable outside device be provided with cover plate.
The beneficial effects of the invention are as follows：
1. setting lock chambers in the first trestle on the right side of chamber by changing, change and partition panel is set between chamber and lock chambers, in partition panel
The rotation cylinder that convolution mating connection is set towards left side elongation, internal fix in lock chambers left side set locking device, sliding fortune in locking device
Spiral shell type lock sleeve in mating connection, spiral shell type line mating connection spiral shell type line rotation cylinder, locking device front and rear sides in interior spiral shell type lock sleeve
Medial surface equity sets guide channel, and the guiding block that fortune mating connection is fixedly connected with spiral shell type line rotation cylinder, rotation cylinder left side are slided in guide channel
Extension, which probes into fix on the outside of conversion intracavitary and end pin, sets the first tapered wheel, and end pin is fixed with spiral shell type line rotation cylinder left end on the right side of rotation cylinder
Connect, locking plate is set in the lock chambers on the right side of locking device, the first swing arm towards left and right sides elongation setting is coordinated in rotation cylinder, the
Elongation end pin probes into conversion intracavitary and is connected with medial surface convolution on the left of conversion chamber on the left of one swing arm, is stretched on the right side of the first swing arm
Long section is fixedly connected after penetrating spiral shell type line rotation cylinder with locking plate left end, and locking plate right flank sets the second rotation set towards right side elongation
Bar, the second swing arm right side extension penetrates the first trestle right flank and convolution is connected, and conversion chamber sets the first cunning in trailing flank
Groove is transported, the first cunning is transported and the angle modulation spiral shell type bar that left and right elongation is set is set in groove, spiral shell type line mating connection angle modulation cunning on angle modulation spiral shell type bar
Block is transported, the left and right sides equity that fortune block leading flank is slided in angle modulation sets the guid arm for probeing into conversion intracavitary, mating connection court in guid arm
The clamping shaft that left and right sides elongation is set, sliding fortune is connected bilateral tapered wheel on the clamping shaft between two groups of guid arms, and first
The second tapered wheel is fixedly installed in the first swing arm outer surface on the left of tapered wheel, so as to realize automatically switch locking and pedal tune
Angle works, and so as to improve the stability of automatic pedal runner angle modulation operation, reduces equipment investment, reduces cost of manufacture, improves foot-operated
The operating efficiency of plate angle modulation realizes auto lock simultaneously, improves security.
2. being fixedly connected by the first trestle bottom surface with pedal base bottom surface, set what left and right elongation was set in pedal base right flank
Second slides fortune groove, and the first spiral shell type bar that left and right elongation is set, the first spiral shell type bar left end and the second cunning fortune groove are set in the second cunning fortune groove
Left side medial surface convolution is connected, and the first spiral shell type bar right-hand member and the first power set are connected, the first power set appearance
Face is arranged on the right side of the second cunning fortune groove in medial surface and is fixedly connected, and second, which slides sliding fortune in fortune groove, is connected and the first spiral shell type bar
Spiral shell type line be connected first slide fortune block, the second trestle bottom surface with first slide transport block top surface be fixedly connected and with the top of pedal base
Face is slided fortune and coordinated, and meets that various sizes of pedal carries out pedal angle modulation work so as to realize.
3. being fixed by interior spiral shell type lock sleeve right flank and setting composite pad, the relative locking plate left surface of composite pad is reciprocity up and down
If trigger, trigger electrically connects with the 3rd power set, so as to realize auto lock, improves operating efficiency.
4. the present invention is simple in construction, easy to operate, automatic switchover locking and pedal angle modulation work can be realized, so as to carry
The stability of high automatic pedal runner angle modulation operation, reduces equipment investment, reduces cost of manufacture, improves the work effect of pedal angle modulation
Rate realizes auto lock simultaneously, can meet that various sizes of pedal carries out pedal angle modulation work, cost-effective.
Brief description of the drawings
For ease of explanation, the present invention is described in detail by following specific embodiment and accompanying drawing.
Fig. 1 is a kind of medical wheelchair overall structure diagram of the present invention；
Fig. 2 is the structural representation at A in Fig. 1 of the present invention；
Fig. 3 is the sectional view of " A-A " in Fig. 2 of the present invention；
Fig. 4 is the first trestle internal structure schematic diagram of the present invention；
Structural representation when Fig. 5 is a kind of medical wheelchair locking state of the present invention.
Embodiment
As Figure 1-Figure 5, a kind of medical wheelchair of the invention, including main body 2, pedal base 3 and be separately positioned on
The first trestle 4 and the second trestle 5 at left and right sides of the top surface of pedal base 3, the main body 2 include the adjustable angle chair back 21 and cushion
23, the cushion 23 is fixedly installed on the top of wheelchair frame 24, and roller 25 is respectively arranged with described 24 4 pin of wheelchair frame, described
The front end of wheelchair frame 24 is provided with the pedal base 3, and conversion chamber 43 is provided with first trestle 4, the right side of conversion chamber 43
Be provided with lock chambers 41 in first trestle 4, be provided with partition panel 44 between the conversion chamber 43 and the lock chambers 41, it is described every
Convolution is connected with the rotation cylinder 441 set towards left side elongation in disconnected plate 44, and the left side of lock chambers 41 is internal to be fixed with lock
Tight device 411, sliding fortune is connected with interior spiral shell type lock sleeve 413, the interior spiral shell type lock sleeve 413 in the locking device 411
Interior spiral shell type line is connected with spiral shell type line rotation cylinder 442, and the front and rear sides medial surface equity of locking device 411 is provided with guide channel
412, sliding fortune is connected with the guiding block 415 being fixedly connected with spiral shell type line rotation cylinder 442 in the guide channel 412, described
The rotation left side extension of cylinder 441 probes into the conversion chamber 43 and the first tapered wheel 431, the rotation cylinder is fixed with the outside of end pin
441 right side end pins are fixedly connected with the spiral shell type line rotation left end of cylinder 442, the lock chambers 41 on the right side of locking device 411
In be provided with locking plate 42, the first swing arm 433 set towards left and right sides elongation, first rotation are combined with the rotation cylinder 441
Elongation end pin in the left side of bar 433 is probeed into the conversion chamber 43 and is connected with the left side medial surface convolution of conversion chamber 43, institute
State after the right side extension of the first swing arm 433 penetrates the spiral shell type line rotation cylinder 442 and be fixedly connected with the left end of locking plate 42, it is described
The right flank of locking plate 42 is provided with the second swing arm 45 set towards right side elongation, and the right side extension of the second swing arm 45 penetrates described
The right flank of first trestle 4 and convolution mating connection, described change in the trailing flank of chamber 43 transport groove 46, first cunning provided with the first cunning
Transport and the angle modulation spiral shell type bar 463 that left and right elongation is set is provided with groove 46, spiral shell type line is connected with tune on the angle modulation spiral shell type bar 463
Fortune block 461 is slided at angle, and the left and right sides equity that the fortune leading flank of block 461 is slided in the angle modulation is provided with the guiding probeed into the conversion chamber 43
Arm 462, the clamping shaft 435 set towards left and right sides elongation, guid arm described in two groups are connected with the guid arm 462
Sliding fortune is connected with bilateral tapered wheel 436, the institute in the first tapered left side of wheel 431 on the clamping shaft 435 between 462
State the outer surface of the first swing arm 433 and be fixedly installed the second tapered wheel 432, be provided with first trestle 4 and be spaced apart device.
Wherein, the bottom surface of the first trestle 4 is fixedly connected with the bottom surface of pedal base 3, is set in the right flank of pedal base 3
Have left and right elongation setting second slides fortune groove 31, and described second slides the first spiral shell type bar set in fortune groove 31 provided with left and right elongation
32, the left end of the first spiral shell type bar 32 is slided with described second transports the left side medial surface convolution mating connection of groove 31, the first spiral shell type
The right-hand member of bar 32 is connected with the first power set 33, and the outer surface of the first power set 33 is arranged at described second and slides fortune groove
In 31 right side medial surfaces and it is fixedly connected, described second, which slides sliding fortune in fortune groove 31, is connected with and the spiral shell of the first spiral shell type bar 32
Type line be connected first slide fortune block 34, the bottom surface of the second trestle 5 with described first slide transport the top surface of block 34 be fixedly connected and
Fortune is slided with the top surface of the pedal base 3 to coordinate, and meets that various sizes of pedal carries out pedal angle modulation work so as to realize.
Wherein, the right-hand member of the first trestle 4 and the left end of the second trestle 5 are relative provided with convolution fastener 51, two groups of institutes
State to be connected between convolution fastener 51 and be provided with pedal 6, the right side of the second swing arm 45 extends end pin and is elongated to described the
The right flank of one trestle 4 is outer and end pin is fixedly connected with the convolution fastener 51 of the right-hand member of the first trestle 4, second frame
The convolution fastener 51 of the right-hand member of post 5 is connected with the left surface of the second trestle 5 convolution, so as to realize pedal 6
Fast Installation and convolution control.
Wherein, the left end of angle modulation spiral shell type bar 463 is connected with the second power set 464, second power set
464 outer surfaces are arranged at described first and slide in fortune groove 46 left side medial surface and be fixedly connected, the right-hand member of angle modulation spiral shell type bar 463 with
Described first, which slides the right side medial surface convolution of fortune groove 46, is connected, so as to realize automatically control angle modulation slide fortune block 461 along first
Sliding fortune groove 46 moves left and right, and then realizes that automatically controlling angle modulation cunning fortune block 461 drives moving left and right for bilateral tapered wheel 436, real
Switching of the bilateral tapered wheel 436 between the second tapered wheel 432 and the first tapered wheel 431 is now controlled to engage conversion and control.
Wherein, the left end of clamping shaft 435 is connected with the 3rd power set 434, outside the 3rd power set 434
Surface is arranged in the conversion left surface of chamber 43 and is fixedly connected, the right-hand member of clamping shaft 435 and the right side of conversion chamber 43
Face convolution is connected, so as to realize that automatically controlling pedal angle modulation works and automatically control locking work.
Wherein, the bilateral tapered wheel 436 is between the described second tapered wheel 432 and the first tapered wheel 431.
Wherein, the interior right flank of spiral shell type lock sleeve 413 is fixed with composite pad 414, the relative institute of the composite pad 414
Stating the left surface of locking plate 42, equity is provided with trigger 421, the trigger 421 and the Electricity Federation of the 3rd power set 434 up and down
Connect, so as to realize auto lock, improve operating efficiency.
Wherein, the left and right ends of pedal 6 are equipped with clamping slot 61, the right-hand member of the first trestle 4 and second frame
The opposite side of convolution fastener 51 of the left end of post 5 is respectively equipped with to the clamping slot with the left and right ends of pedal 6
61 clamping blocks 511 being connected, so as to realize secure fit.
Wherein, the placed cavity 401 for being spaced apart device and including being arranged on the inner bottom part of the first trestle 4, the placed cavity
It is provided with 401 and is spaced apart device 402, it is described to be spaced apart that the outside of device 402 is also openable to be provided with cover plate 403, when generation electric leakage accident
When, tripped in time by being spaced apart device 402 so as to be protected device with anti-tamper.
During original state, angle modulation slides fortune block 461 and the right-most position transported in groove 46 is slided positioned at first, now, slides angle modulation
The bilateral tapered right side of the wheel 436 cone flank of tooth between the guid arm 462 of two groups of 461 front end of fortune block engages connection with the first tapered wheel 431,
Then the now bilateral tapered left side of the wheel 436 cone flank of tooth, passes through the 3rd power set 434 at utmost away from the second tapered wheel 432
Drive clamping shaft 435 to circle round, drive bilateral tapered wheel 436 to circle round by clamping shaft 435, the bilateral tapered drive first of wheel 436 is tapered
Rotation cylinder 441 on 431 and first tapered wheel 431 of wheel, and then drive spiral shell type line rotation cylinder 442 to circle round by rotation cylinder 441, by spiral shell type line
Rotation cylinder 442 drives interior spiral shell type lock sleeve 413 to circle round, and interior spiral shell type lock sleeve 413 is driven composite pad 414 and the left surface of locking plate 42
Abut against as shown in figure 4, now, composite pad 414 encounters the trigger 421 of the left surface of locking plate 42, believes trigger 421
Number and control the 3rd power set 434 to stop convolution, simultaneously because composite pad 414 offsets with the left surface of locking plate 42, now for
Locking state.
When needing pedal angle modulation, drive the first spiral shell type bar 32 to circle round by the first power set 33 first, make first
Spiral shell type bar 32 drives first to slide the right-most position that fortune block 34 is moved in the second cunning fortune groove 31, and then is slided by first and transport the band of block 34
Dynamic second trestle 5 is moved to the right-most position of the top surface of pedal base 3, then by the clamping slot 61 and first in the left end of pedal 6
The 511 fully mated connection of clamping block on the right side of convolution fastener 51 of the right-hand member of trestle 4, meanwhile, make the convolution of the left end of the second trestle 5
The clamping block 511 in the left side of fastener 51 is in relative position with the clamping slot 61 in the right-hand member of pedal 6, then passes through the first power
Device 33 drives the first spiral shell type bar 32 reversely to circle round, and makes the first spiral shell type bar 32 drive first to slide fortune block 34 and first and slides fortune block 34
Second trestle 5 at top is slided along second transports the left direction of groove 31 cunning fortune, until the left side of convolution fastener 51 of the left end of the second trestle 5
The fully-inserted right-hand member of pedal 6 of clamping block 511 in clamping slot 61 in, now control the first power set 33 stop convolution,
Then drive clamping shaft 435 reversely to circle round by the 3rd power set 434, drive bilateral tapered wheel 436 reverse by clamping shaft 435
Convolution, and then the first tapered wheel 431 reversely convolution is driven by bilateral tapered wheel 436, rotation cylinder 441 is driven by the first tapered wheel 431
And the spiral shell type line rotation cylinder 442 of the rotation right side end pin of cylinder 441 reversely circles round, and then interior spiral shell type is driven to lock by spiral shell type line rotation cylinder 442
Set 413 moves along the left direction of locking device 411, meanwhile, gradually left direction moves guiding block 415 along guide channel 412, this
When, interior spiral shell type lock sleeve 413 is gradually distance from the left surface of locking plate 42, until interior spiral shell type lock sleeve 413 is moved to locking device
Left-most position in 411, now, the 3rd power set 434 of control stop convolution, then pass through the band of the second power set 464
Dynamic angle modulation spiral shell type bar 463 circles round, and drives angle modulation to slide fortune block 461 by angle modulation spiral shell type bar 463 and is gradually moved into the first cunning fortune groove 46
Left-most position when, now, bilateral tapered wheel 436 432 engages connection with the second tapered take turns, and then passes through the 3rd power set
434 drive clamping shafts 435 circle round, and drive the bilateral tapered convolution of wheel 436 by clamping shaft 435, bilateral tapered wheel 436 drives the second cone
Type wheel 432 is circled round, and then is circled round by the second first swing arm 433 of the tapered drive of wheel 432, and locking plate 42 is driven by the first swing arm 433
And the second swing arm 45 of the right flank of locking plate 42 circles round, and then driven by the convolution fastener 51 of the right side end pin of the second swing arm 45
Pedal 6 between the convolution fastener 51 in the left side of 51 and second trestle of convolution fastener 5 of the right side end pin of the second swing arm 45 returns
Rotation realizes that pedal angle modulation works.
The beneficial effects of the invention are as follows：
1. setting lock chambers in the first trestle on the right side of chamber by changing, change and partition panel is set between chamber and lock chambers, in partition panel
The rotation cylinder that convolution mating connection is set towards left side elongation, internal fix in lock chambers left side set locking device, sliding fortune in locking device
Spiral shell type lock sleeve in mating connection, spiral shell type line mating connection spiral shell type line rotation cylinder, locking device front and rear sides in interior spiral shell type lock sleeve
Medial surface equity sets guide channel, and the guiding block that fortune mating connection is fixedly connected with spiral shell type line rotation cylinder, rotation cylinder left side are slided in guide channel
Extension, which probes into fix on the outside of conversion intracavitary and end pin, sets the first tapered wheel, and end pin is fixed with spiral shell type line rotation cylinder left end on the right side of rotation cylinder
Connect, locking plate is set in the lock chambers on the right side of locking device, the first swing arm towards left and right sides elongation setting is coordinated in rotation cylinder, the
Elongation end pin probes into conversion intracavitary and is connected with medial surface convolution on the left of conversion chamber on the left of one swing arm, is stretched on the right side of the first swing arm
Long section is fixedly connected after penetrating spiral shell type line rotation cylinder with locking plate left end, and locking plate right flank sets the second rotation set towards right side elongation
Bar, the second swing arm right side extension penetrates the first trestle right flank and convolution is connected, and conversion chamber sets the first cunning in trailing flank
Groove is transported, the first cunning is transported and the angle modulation spiral shell type bar that left and right elongation is set is set in groove, spiral shell type line mating connection angle modulation cunning on angle modulation spiral shell type bar
Block is transported, the left and right sides equity that fortune block leading flank is slided in angle modulation sets the guid arm for probeing into conversion intracavitary, mating connection court in guid arm
The clamping shaft that left and right sides elongation is set, sliding fortune is connected bilateral tapered wheel on the clamping shaft between two groups of guid arms, and first
The second tapered wheel is fixedly installed in the first swing arm outer surface on the left of tapered wheel, so as to realize automatically switch locking and pedal tune
Angle works, and so as to improve the stability of automatic pedal runner angle modulation operation, reduces equipment investment, reduces cost of manufacture, improves foot-operated
The operating efficiency of plate angle modulation realizes auto lock simultaneously, improves security.
2. being fixedly connected by the first trestle bottom surface with pedal base bottom surface, set what left and right elongation was set in pedal base right flank
Second slides fortune groove, and the first spiral shell type bar that left and right elongation is set, the first spiral shell type bar left end and the second cunning fortune groove are set in the second cunning fortune groove
Left side medial surface convolution is connected, and the first spiral shell type bar right-hand member and the first power set are connected, the first power set appearance
Face is arranged on the right side of the second cunning fortune groove in medial surface and is fixedly connected, and second, which slides sliding fortune in fortune groove, is connected and the first spiral shell type bar
Spiral shell type line be connected first slide fortune block, the second trestle bottom surface with first slide transport block top surface be fixedly connected and with the top of pedal base
Face is slided fortune and coordinated, and meets that various sizes of pedal carries out pedal angle modulation work so as to realize.
3. being fixed by interior spiral shell type lock sleeve right flank and setting composite pad, the relative locking plate left surface of composite pad is reciprocity up and down
If trigger, trigger electrically connects with the 3rd power set, so as to realize auto lock, improves operating efficiency.
4. the present invention is simple in construction, easy to operate, automatic switchover locking and pedal angle modulation work can be realized, so as to carry
The stability of high automatic pedal runner angle modulation operation, reduces equipment investment, reduces cost of manufacture, improves the work effect of pedal angle modulation
Rate realizes auto lock simultaneously, can meet that various sizes of pedal carries out pedal angle modulation work, cost-effective.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
The change or replacement expected without creative work, it should all be included within the scope of the present invention.Therefore, it is of the invention
Protection domain should be determined by the scope of protection defined in the claims.
Claims (9)
1. a kind of medical wheelchair, including main body, pedal base and the first being separately positioned at left and right sides of pedal base top surface
Post and the second trestle, it is characterised in that：Main body includes the adjustable angle chair back and cushion, and cushion is fixedly installed on wheelchair frame top, wheel
Roller is respectively arranged with four pin of chair frame, wheelchair frame front end is provided with pedal base, conversion chamber is provided with the first trestle, changes chamber
Lock chambers are provided with first trestle on right side, changes and partition panel is provided between chamber and lock chambers, convolution mating connection in partition panel
There is the rotation cylinder set towards left side elongation, lock chambers left side is internal to be fixed with locking device, and sliding fortune is connected in locking device
There is an interior spiral shell type lock sleeve, spiral shell type line is connected with spiral shell type line rotation cylinder in interior spiral shell type lock sleeve, on the inside of locking device front and rear sides
Guide channel is provided with face of waiting, sliding fortune is connected with the guiding block being fixedly connected with spiral shell type line rotation cylinder in guide channel, revolves on the left of cylinder
Extension, which is probeed on the outside of conversion intracavitary and end pin, is fixed with the first tapered wheel, and end pin is consolidated with spiral shell type line rotation cylinder left end on the right side of rotation cylinder
It is fixed to connect, locking plate is provided with the lock chambers on the right side of locking device, revolves first for being combined with cylinder and being set towards left and right sides elongation
Swing arm, the first swing arm left side elongation end pin probe into conversion intracavitary and circled round with medial surface on the left of conversion chamber and be connected, the first rotation
Extension is fixedly connected after penetrating spiral shell type line rotation cylinder with locking plate left end on the right side of bar, and locking plate right flank is provided with towards right side elongation and set
The second swing arm put, the second swing arm right side extension penetrates the first trestle right flank and convolution is connected, conversion chamber trailing flank
In be provided with first and slide and transport groove, first slides the angle modulation spiral shell type bar that left and right elongation is set is provided with fortune groove, spiral shell type line on angle modulation spiral shell type bar
It is connected with angle modulation and slides fortune block, the left and right sides equity that fortune block leading flank is slided in angle modulation is provided with the guid arm for probeing into conversion intracavitary,
The clamping shaft set towards left and right sides elongation is connected with guid arm, sliding fortune coordinates on the clamping shaft between two groups of guid arms
It is connected with bilateral tapered wheel, the first swing arm outer surface on the left of the first tapered wheel is fixedly installed the second tapered wheel, the first trestle
Inside it is provided with and is spaced apart device.
A kind of 2. medical wheelchair according to claim 1, it is characterised in that：The first trestle bottom surface and the pedal
Seat bottom surface is fixedly connected, and the second of left and right elongation setting is provided with the pedal base right flank and slides fortune groove, described second slides fortune groove
In be provided with left and right elongation set the first spiral shell type bar, the first spiral shell type bar left end with described second slide transport groove on the left of medial surface return
Rotation is connected, and the first spiral shell type bar right-hand member and the first power set are connected, and the first power set outer surface is set
Described second is placed in slide on the right side of fortune groove in medial surface and be fixedly connected, described second slide sliding fortune in fortune groove be connected with it is described
The first cunning fortune block that first spiral shell type bar spiral shell type line is connected, the second trestle bottom surface are fixed with the described first cunning fortune block top surface
Connect and slide fortune cooperation with the top surface of the pedal base.
A kind of 3. medical wheelchair according to claim 1, it is characterised in that：The first trestle right-hand member and described second
Trestle left end is relative to be provided with convolution fastener, is connected between the fastener that circled round described in two groups and is provided with pedal, and described second
Elongation end pin in swing arm right side is elongated to the first trestle right flank outside and the convolution of end pin and the first trestle right-hand member
Fastener is fixedly connected, and the convolution fastener of the second trestle right-hand member coordinates with the second trestle left surface convolution and connected
Connect.
A kind of 4. medical wheelchair according to claim 1, it is characterised in that：The angle modulation spiral shell type bar left end and second moves
Power apparatus is connected, and the second power set outer surface is arranged on the left of the first cunning fortune groove in medial surface and fixed company
Connect, the angle modulation spiral shell type bar right-hand member is slided medial surface convolution on the right side of fortune groove with described first and is connected.
A kind of 5. medical wheelchair according to claim 1, it is characterised in that：Clamping shaft left end and the 3rd the power dress
Mating connection is put, the 3rd power set outer surface is arranged in the conversion chamber left surface and is fixedly connected, the clamping
Axle right-hand member is connected with the conversion chamber right flank convolution.
A kind of 6. medical wheelchair according to claim 1, it is characterised in that：The bilateral tapered wheel is located at described second
Between tapered wheel and the first tapered wheel.
A kind of 7. medical wheelchair according to claim 1, it is characterised in that：The interior spiral shell type lock sleeve right flank is fixed
Provided with composite pad, equity is provided with trigger, the trigger and institute to the relative locking plate left surface of the composite pad up and down
The 3rd power set are stated to electrically connect.
A kind of 8. medical wheelchair according to claim 3, it is characterised in that：The pedal left and right ends are equipped with card
The convolution fastener opposite side of tight groove, the first trestle right-hand member and the second trestle left end be respectively equipped with to institute
State the clamping block that the clamping slot of pedal left and right ends is connected.
A kind of 9. medical wheelchair according to claim 1, it is characterised in that：It is described be spaced apart device include being arranged on it is described
The placed cavity of first trestle inner bottom part, it is provided with the placed cavity and is spaced apart device, it is described to be spaced apart also openable setting outside device
There is cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710449419.9A CN107837148B (en) | 2017-06-14 | 2017-06-14 | Medical wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710449419.9A CN107837148B (en) | 2017-06-14 | 2017-06-14 | Medical wheelchair |
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| Publication Number | Publication Date |
|---|---|
| CN107837148A true CN107837148A (en) | 2018-03-27 |
| CN107837148B CN107837148B (en) | 2019-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710449419.9A Active CN107837148B (en) | 2017-06-14 | 2017-06-14 | Medical wheelchair |
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| Country | Link |
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| CN (1) | CN107837148B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108078315A (en) * | 2017-06-14 | 2018-05-29 | 黄斯斯 | A kind of efficient stirred type cup |
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| JPH07145822A (en) * | 1993-11-24 | 1995-06-06 | Toyota Autom Loom Works Ltd | Preload control mechanism |
| CN2656204Y (en) * | 2003-07-20 | 2004-11-17 | 黄继林 | Electric angle regulator for car seat |
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| Publication number | Publication date |
|---|---|
| CN107837148B (en) | 2019-12-10 |
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