CN206372195U - A kind of adjustable wheelchair of backrest - Google Patents
A kind of adjustable wheelchair of backrest Download PDFInfo
- Publication number
- CN206372195U CN206372195U CN201620800809.7U CN201620800809U CN206372195U CN 206372195 U CN206372195 U CN 206372195U CN 201620800809 U CN201620800809 U CN 201620800809U CN 206372195 U CN206372195 U CN 206372195U
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- CN
- China
- Prior art keywords
- hinged
- screw mandrel
- backrest
- forearm
- seat
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- 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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Abstract
A kind of adjustable wheelchair of backrest, with backrest, seat, handrail tube, forearm and postbrachium, the backrest is hinged on seat by hinged-support, the lower end of the forearm is equipped with front-wheel, the lower end of the postbrachium is equipped with trailing wheel, also there is screw mandrel, screw and link, the link is fixedly connected or is formed integrally with forearm, the screw mandrel is supported on handrail tube, the screw is connected on link and with wire rod thread, handrail tube is stretched out in the front end of screw mandrel, the hinged middle part in backrest in rear end of handrail tube, one end of the postbrachium is hinged on link, the middle part of postbrachium is hinged on the hinged-support at backrest and seat, the screw mandrel passes through the upper end of forearm, the middle part of the forearm is hinged on seat.Backrest of the present utility model can be adjusted to any angle, and regulation only needs rotary screw rod, very convenient.
Description
Technical field
The utility model is specifically related to a kind of wheelchair.
Background technology
The backrest regulation of traditional push chairs is general to coordinate the hole bearing pin fit system of some regulations to be adjusted using bearing pin, often
One backrest angle of individual adjustment hole correspondence, need to extract bearing pin during regulation from an adjustment hole, be then inserted into another conjunction
Suitable adjustment hole, it is cumbersome, and the regulated hole limitation of angle.
The content of the invention
The purpose of this utility model, which is to provide one kind, to be adjusted backrest to any angle, and backrest easy to adjust
Adjustable wheelchair.
To achieve these goals, the technical solution of the utility model is：A kind of adjustable wheelchair of backrest, with backrest, seat
Position, handrail tube, forearm and postbrachium, the backrest are hinged on seat by hinged-support, and the lower end of the forearm is equipped with front-wheel, institute
The lower end for stating postbrachium is equipped with trailing wheel, and its improvement is：
A, also there is screw mandrel, screw and link, the link is fixedly connected or is formed integrally with forearm；
B, the screw mandrel are supported on handrail tube, and the screw is on link and is connected with wire rod thread, handrail tube
The hinged middle part in backrest in rear end；
C, the postbrachium upper end it is hinged on link, the middle part of postbrachium is hinged on the hinged-support at backrest and seat；
D, the screw mandrel pass through the upper end of forearm, and the middle part of the forearm is hinged on seat.
In the above-mentioned technical solutions, the front end of the screw mandrel is fixedly connected with rotating jacket.
In the above-mentioned technical solutions, the handrail tube is provided with screw mandrel front support plate and screw mandrel rear support plate, the screw mandrel
One end passes through the front support hole of screw mandrel front support plate, and the other end of the screw mandrel passes through the rear support hole of screw mandrel rear support plate, and
End is equipped with collar.
In the above-mentioned technical solutions, the section of the handrail tube takes the shape of the letter U.
In the above-mentioned technical solutions, the front end of the both sides side pipe at the seat is fixedly connected with change washer, and becoming can on washer
The formula of tearing open is connected with extension leg, and the lower end for the leg that protracts is hinged foot pedal.
In the above-mentioned technical solutions, the extension leg is length adjustable, and lower coupling pole is sleeved on by upper sleeve
On, and be formed by connecting by holding screw tightening.
The good effect that the utility model has is：Because the screw mandrel is fixed in handrail tube, the screw is passed through
Link is simultaneously assemblied on screw mandrel, and one end of the postbrachium is hinged on link, and the middle part of postbrachium is hinged in backrest and seat
Hinged place, the screw mandrel passes through one end of forearm, and the middle part of the forearm is hinged on seat, is used during adjusting angle of backrest
Screw structure is adjusted so that backrest can be adjusted to any angle, and regulation only needs rotary screw rod, very convenient.
Brief description of the drawings
Fig. 1 is schematic perspective view of the present utility model；
Fig. 2 is that backrest is in a kind of state schematic front view in the utility model；
Fig. 3 is that backrest is in another state schematic front view in the utility model；
Fig. 4 is partial structurtes schematic perspective view of the present utility model；
Fig. 5 is that arm rest looks up schematic cross-sectional view in the utility model.
Embodiment
Below in conjunction with accompanying drawing and the embodiment provided, the utility model is further described.
As shown in Fig. 1 ~ 5, a kind of adjustable wheelchair of backrest, with backrest 1, seat 2, handrail tube 3, forearm 4 and postbrachium 5, institute
State backrest 1 to be hinged on seat 2 by hinged-support 12, the lower end of the forearm 4 is equipped with front-wheel 10, and the lower end of the postbrachium 5 is filled
There is trailing wheel 11.
As shown in Figure 4,5, also with screw mandrel 6, screw 7 and link 8, the link 8 is fixedly connected or made with forearm 4
Integrally.
As shown in Figure 1,2,3, 4, the screw mandrel 6 is supported on handrail tube 3, the screw 7 on the link 8 and with silk
Bar 6 is threadedly coupled, and the hinged middle part in backrest 1 in rear end of handrail tube 3, the upper end of the postbrachium 5 is hinged on link 8, after
The middle part of arm 5 is hinged on the hinged-support 12 at backrest 1 Yu seat 2, and the screw mandrel 6 passes through the upper end of forearm 4, the forearm 4
Middle part is hinged on seat 2.
As shown in Fig. 1 ~ 5, the front end of the screw mandrel 6 is fixedly connected with rotating jacket 9.
As shown in figure 5, the handrail tube 3 is provided with screw mandrel front support plate 3-1 and screw mandrel rear support plate 3-2, the screw mandrel 6
One end passes through screw mandrel front support plate 3-1 front support hole 3-1-1, and the other end of the screw mandrel 6 is through screw mandrel rear support plate 3-2's
Rear support hole 3-2-1, and end is equipped with collar 16.
As shown in Figure 1,5, the section of the handrail tube 3 takes the shape of the letter U.
As shown in figure 1, the front end of the both sides side pipe at the seat 2 is fixedly connected with change washer 13, become removable on washer 13
Formula is connected with extension leg 14, and the lower end for the leg 14 that protracts is hinged foot pedal 15, and the extension leg 14 is length adjustable,
It is sleeved on lower coupling pole 14-3, and is formed by connecting by holding screw 14-2 tightenings by upper sleeve 14-1.
Claims (6)
1. a kind of adjustable wheelchair of backrest, with backrest（1）, seat（2）, handrail tube（3）, forearm（4）And postbrachium（5）, it is described to lean on
The back of the body（1）Pass through hinged-support（12）It is hinged on seat（2）On, the forearm（4）Lower end be equipped with front-wheel（10）, the postbrachium（5）
Lower end be equipped with trailing wheel（11）, it is characterised in that：
A, also have screw mandrel（6）, screw（7）And link（8）, the link（8）With forearm（4）It is fixedly connected with or is made one
Body；
B, the screw mandrel（6）It is supported on handrail tube（3）On, the screw（7）Mounted in link（8）Upper and and screw mandrel（6）Screw thread
Connection, handrail tube（3）Rear end it is hinged in backrest（1）Middle part；
C, the postbrachium（5）Upper end it is hinged in link（8）On, postbrachium（5）Middle part it is hinged in backrest
（1）With seat（2）Hinged-support（12）On；
D, the screw mandrel（6）Through forearm（4）Upper end, the forearm（4）Middle part it is hinged at seat（2）
On.
2. the adjustable wheelchair of backrest according to claim 1, it is characterised in that：The screw mandrel（6）Front end be fixedly connected with
Rotating jacket（9）.
3. the adjustable wheelchair of backrest according to claim 1, it is characterised in that：The handrail tube（3）Provided with screw mandrel front support
Plate（3-1）With screw mandrel rear support plate（3-2）, the screw mandrel（6）One end pass through screw mandrel front support plate（3-1）Front support hole
（3-1-1）, the screw mandrel（6）The other end pass through screw mandrel rear support plate（3-2）Rear support hole（3-2-1）, and end is equipped with
Collar（16）.
4. the adjustable wheelchair of backrest according to claim 1, it is characterised in that：The handrail tube（3）Section take the shape of the letter U.
5. the adjustable wheelchair of backrest according to claim 1, it is characterised in that：The seat（2）Both sides side pipe front end
It is fixedly connected with change washer（13）, become washer（13）It is above removable to be connected with extension leg（14）, protract leg（14）Lower end
It is hinged to have foot pedal（15）.
6. the adjustable wheelchair of backrest according to claim 5, it is characterised in that：The extension leg（14）For adjustable length
Formula, by upper sleeve（14-1）It is sleeved on lower coupling pole（14-3）On, and by holding screw（14-2）Tightening is formed by connecting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620800809.7U CN206372195U (en) | 2016-07-28 | 2016-07-28 | A kind of adjustable wheelchair of backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620800809.7U CN206372195U (en) | 2016-07-28 | 2016-07-28 | A kind of adjustable wheelchair of backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206372195U true CN206372195U (en) | 2017-08-04 |
Family
ID=59401485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620800809.7U Active CN206372195U (en) | 2016-07-28 | 2016-07-28 | A kind of adjustable wheelchair of backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206372195U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107569337A (en) * | 2017-11-01 | 2018-01-12 | 王利兵 | A kind of medical safety wheel chair |
-
2016
- 2016-07-28 CN CN201620800809.7U patent/CN206372195U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107569337A (en) * | 2017-11-01 | 2018-01-12 | 王利兵 | A kind of medical safety wheel chair |
| CN107569337B (en) * | 2017-11-01 | 2019-11-15 | 鄂东医疗集团市中心医院 | A kind of medical safety wheel chair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |