CN204501279U - A kind of manual lifting wheel chair - Google Patents
A kind of manual lifting wheel chair Download PDFInfo
- Publication number
- CN204501279U CN204501279U CN201520077718.0U CN201520077718U CN204501279U CN 204501279 U CN204501279 U CN 204501279U CN 201520077718 U CN201520077718 U CN 201520077718U CN 204501279 U CN204501279 U CN 204501279U
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- China
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- connecting rod
- hinged
- handwheel
- seat platform
- backrest
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Abstract
A kind of manual lifting wheel chair, belongs to Household Medical Appliance technical field.This utility model comprises Wheelchair support, seat platform and the backrest with wheel; Be characterized in: on Wheelchair support, be fixed with guide post, seat platform suit on the guide bar; Seat platform is connected by revolute pair with backrest; Handwheel is fixed on handwheel guide rod, and handwheel guide rod is arranged on Wheelchair support by bearing; Handwheel guide rod is fixed with gear, and the outer ring of gear is a bit fixedly connected with connecting band one end, and the connecting band other end and first connecting rod one end are hinged, and the first connecting rod other end and seat platform lower end are hinged; Second connecting rod one end is connected on handwheel guide rod by revolute pair, is hinged, handwheel is provided with locking device in the middle part of the other end and first connecting rod; Backrest angle adjustment portion comprises third connecting rod and double leval jib, and one end of third connecting rod and the side of Wheelchair support are hinged, and one end of the other end and double leval jib is hinged, and the other end and the backrest of double leval jib are hinged.
Description
Technical field
This utility model belongs to Household Medical Appliance technical field, particularly relates to a kind of manual lifting wheel chair.
Background technology
At present, existing wheelchair generally can only realize function of normally riding instead of walk, and if leg crippled when not having other people to assist, the process realizing alone from the wheelchair bed is very loaded down with trivial details, and reliability and safety lower, very easily cause danger.And existing lifting wheel chair generally all adopts electric controller, need charging before using, the demand used can not be met whenever and wherever possible.In addition, this wheelchair cost is higher, and fetch long price, economic benefit is low.
Utility model content
For prior art Problems existing, this utility model provides that a kind of structure is simple, energy-conserving and environment-protective, easy to use and do not need the manual lifting wheel chair of electric power.This wheelchair, under guarantee has the prerequisite of normal function, as long as user is when bedside, relies on the object of rotating handwheel and can realize seat platform rising and then going to bed.
To achieve these goals, this utility model adopts following technical scheme: a kind of manual lifting wheel chair, comprises Wheelchair support, seat platform and the backrest with wheel, described wheel is provided with brake gear; Be characterized in: on Wheelchair support, be fixed with guide post vertically, described seat platform suit on the guide bar, and can move up and down along guide post; Seat platform is connected by revolute pair with backrest;
Described manual lifting wheel chair also comprises Manual height part and backrest angle adjustment portion,
Described Manual height part comprises the handwheel being arranged on Wheelchair support both sides, and the handwheel of both sides is fixed on handwheel guide rod, and handwheel guide rod is arranged on Wheelchair support by bearing; Handwheel guide rod is fixed with gear, and the outer ring of gear is a bit fixedly connected with one end of connecting band, and the other end of connecting band and one end of first connecting rod are hinged, and the other end of first connecting rod and the lower end of seat platform are hinged; One end of second connecting rod is connected on handwheel guide rod by revolute pair, and the middle part of the other end and first connecting rod is hinged, and handwheel is provided with locking device;
Described backrest angle adjustment portion comprises third connecting rod and double leval jib, and one end of third connecting rod and the side of Wheelchair support are hinged, and one end of the other end and double leval jib is hinged, and the other end and the backrest of double leval jib are hinged.
Be fixed with baffle plate in the lower end of described seat platform, first connecting rod realizes being hinged with the lower end of seat platform by being hinged with described baffle plate.
The gear of described Manual height part, connecting band, first connecting rod and second connecting rod are provided with two covers, and two covers are separately positioned on the both sides of Wheelchair support, and are symmetrical arranged.
Third connecting rod and the double leval jib of described backrest angle adjustment portion are provided with two covers, and two covers are separately positioned on the both sides of Wheelchair support, and are symmetrical arranged.
The beneficial effects of the utility model:
1, manual lifting wheel chair of the present utility model only relies on manpower can realize the rising of seat platform, does not need electric power, energy-conserving and environment-protective;
2, the lifting degree due to seat platform of the present utility model is controlled, can also, according to the demand of user from Row sum-equal matrix backrest angle, make user more comfortable except the function that can realize going to bed;
3, manual lifting wheel chair of the present utility model can make the elderly and the disabled of leg inconvenience bunk bed voluntarily under not having household to accompany and attend to, and safety increases greatly, and its structure simple, cheap, have higher application value.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of manual lifting wheel chair of the present utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the front view of Fig. 1;
Fig. 4 is the A-A sectional view of Fig. 3;
In figure: 1-handwheel, 2-handwheel guide rod, 3-gear, 4-connecting band, 5-first connecting rod, 6-second connecting rod, 7-baffle plate, 8-seat platform, 9-backrest, 10-guide post, 11-third connecting rod, 12-double leval jib, 13-Wheelchair support, 14-wheel, 15-brake gear, 16-locking device.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.
As shown in Figure 1 to 4, a kind of manual lifting wheel chair, comprises Wheelchair support 13, seat platform 8 and the backrest 9 with wheel 14, described wheel 14 is provided with brake gear 15; Wheelchair support 13 is fixed with guide post 10 vertically, and described seat platform 8 is sleeved on guide post 10, and can move up and down along guide post 10; Seat platform 8 is connected by revolute pair with backrest 9.
Described manual lifting wheel chair also comprises Manual height part and backrest angle adjustment portion, described Manual height part comprises the handwheel 1 being arranged on Wheelchair support 13 both sides, the handwheel 1 of both sides is fixed on handwheel guide rod 2, and handwheel guide rod 2 is arranged on Wheelchair support 13 by bearing; Handwheel guide rod 2 is fixed with gear 3, and the outer ring of gear 3 is a bit fixedly connected with one end of connecting band 4, and the other end of connecting band 4 and one end of first connecting rod 5 are hinged, and the other end of first connecting rod 5 and the lower end of seat platform 8 are hinged; One end of second connecting rod 6 is connected on handwheel guide rod 2 by revolute pair, and the middle part of the other end and first connecting rod 5 is hinged, and handwheel 1 is provided with locking device 16; Described backrest angle adjustment portion comprises third connecting rod 11 and double leval jib 12, and one end of third connecting rod 11 and the side of Wheelchair support 13 are hinged, and one end of the other end and double leval jib 12 is hinged, and the other end and the backrest 9 of double leval jib 12 are hinged.Described locking device 16 and brake gear 15 all adopt the existing structure of wheelchair.
Be fixed with baffle plate 7 in the lower end of described seat platform 8, first connecting rod 5 realizes being hinged with the lower end of seat platform 8 by being hinged with described baffle plate 7.
The gear 3 of described Manual height part, connecting band 4, first connecting rod 5 and second connecting rod 6 are provided with two covers, and two covers are separately positioned on the both sides of Wheelchair support 13, and are symmetrical arranged.
Third connecting rod 11 and the double leval jib 12 of described backrest angle adjustment portion are provided with two covers, and two covers are separately positioned on the both sides of Wheelchair support 13, and are symmetrical arranged.
Below in conjunction with accompanying drawing, a use procedure of the present utility model is described:
1) off working state:
Do not use handwheel 1 under this state, the lifting of seat platform 8 can not occur, now wheelchair of the present utility model only has the basic function of normal wheelchair.
2) seat platform uphill process:
User is sitting on manual lifting wheel chair of the present utility model, first brake gear 15 is placed in braking state to ensure safety, dependence hands rotates handwheel 1, handwheel guide rod 2 is driven to rotate, and then driven gear 3 rotates, the rotation of gear 3 can make connecting band 4 be wrapped on gear 3, and connecting band 4 contraction in length pulls the lower end of first connecting rod 5 to move to handwheel guide rod 2 direction, and then promotion seat platform 8 rises, first connecting rod 5 and second connecting rod 6 form work-saving device.Because the effect of guide post 10 is restriction, seat platform 8 can only move up and down, therefore first connecting rod 5 can only move along horizontal direction under the effect of connecting band 4.After seat platform 8 rises, drive backrest 9 to tilt backwards by the four-bar mechanism of seat platform 8, backrest 9, third connecting rod 11 and double leval jib 12 composition, realize seat platform 8 and raise backrest 9 and set level thereupon; When seat platform 8 rises to the height of needs, handwheel 1 is locked fixing by locking device 16, and user just can realize the action of going to bed of turning on one's side.
3) seat platform decline process:
Locking device 16 is placed in Unlocked state, is again placed in active state by handwheel 1, due to the action of gravity of seat platform 8 grade, seat platform 8 can be made to decline, recover normal wheelchair state.
Claims (4)
1. a manual lifting wheel chair, comprises Wheelchair support, seat platform and the backrest with wheel, described wheel is provided with brake gear; It is characterized in that: on Wheelchair support, be fixed with guide post vertically, described seat platform suit on the guide bar, and can move up and down along guide post; Seat platform is connected by revolute pair with backrest;
Described manual lifting wheel chair also comprises Manual height part and backrest angle adjustment portion,
Described Manual height part comprises the handwheel being arranged on Wheelchair support both sides, and the handwheel of both sides is fixed on handwheel guide rod, and handwheel guide rod is arranged on Wheelchair support by bearing; Handwheel guide rod is fixed with gear, and the outer ring of gear is a bit fixedly connected with one end of connecting band, and the other end of connecting band and one end of first connecting rod are hinged, and the other end of first connecting rod and the lower end of seat platform are hinged; One end of second connecting rod is connected on handwheel guide rod by revolute pair, and the middle part of the other end and first connecting rod is hinged, and handwheel is provided with locking device;
Described backrest angle adjustment portion comprises third connecting rod and double leval jib, and one end of third connecting rod and the side of Wheelchair support are hinged, and one end of the other end and double leval jib is hinged, and the other end and the backrest of double leval jib are hinged.
2. manual lifting wheel chair according to claim 1, is characterized in that being fixed with baffle plate in the lower end of described seat platform, and first connecting rod realizes being hinged with the lower end of seat platform by being hinged with described baffle plate.
3. manual lifting wheel chair according to claim 1, is characterized in that the gear of described Manual height part, connecting band, first connecting rod and second connecting rod are provided with two covers, and two covers are separately positioned on the both sides of Wheelchair support, and are symmetrical arranged.
4. manual lifting wheel chair according to claim 1, is characterized in that the third connecting rod of described backrest angle adjustment portion and double leval jib are provided with two covers, and two covers are separately positioned on the both sides of Wheelchair support, and are symmetrical arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520077718.0U CN204501279U (en) | 2015-02-04 | 2015-02-04 | A kind of manual lifting wheel chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520077718.0U CN204501279U (en) | 2015-02-04 | 2015-02-04 | A kind of manual lifting wheel chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204501279U true CN204501279U (en) | 2015-07-29 |
Family
ID=53699284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520077718.0U Expired - Fee Related CN204501279U (en) | 2015-02-04 | 2015-02-04 | A kind of manual lifting wheel chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204501279U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104606001A (en) * | 2015-02-04 | 2015-05-13 | 东北大学 | Liftable hand-operated wheelchair |
-
2015
- 2015-02-04 CN CN201520077718.0U patent/CN204501279U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104606001A (en) * | 2015-02-04 | 2015-05-13 | 东北大学 | Liftable hand-operated wheelchair |
| CN104606001B (en) * | 2015-02-04 | 2017-01-04 | 东北大学 | A kind of manual lifting wheel chair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20160204 |