CN1297246C - Folding wheel chair with adjustable elevation angle - Google Patents
Folding wheel chair with adjustable elevation angle Download PDFInfo
- Publication number
- CN1297246C CN1297246C CNB2004100147534A CN200410014753A CN1297246C CN 1297246 C CN1297246 C CN 1297246C CN B2004100147534 A CNB2004100147534 A CN B2004100147534A CN 200410014753 A CN200410014753 A CN 200410014753A CN 1297246 C CN1297246 C CN 1297246C
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- right support
- chair frame
- left socle
- elevation angle
- pin joint
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Abstract
The present invention discloses a folding wheel chair capable of adjusting an elevation angle, which comprises a left bracket, a right bracket, a left chair rack and a right chair rack, wherein the left bracket and the right bracket are simultaneously provided with a front wheel and a back wheel; the front parts, the middle parts and the back parts of the left chair rack and the right chair rack are respectively provided with shifting feet, seat pads and backrests; a left supporting seat and a right supporting seat are respectively fixed on the left bracket and the right bracket, and the left chair rack and the right chair rack are respectively in pin joint with the left supporting seat and the right supporting seat; two stretching adjusting apparatus are respectively arranged between the left chair rack and the left bracket, and between the right chair rack and the right bracket. The wheel chair is capable of adjusting the frontward and backward elevation angles without raising the wheel chair rack, can swing the chair backwards and forwards to bring convenience for users to go up and down slopes or go upstairs and downstairs, and can adjust the sitting posture to prevent people sitting on the wheel chair for a long time from generating bedsores.
Description
Technical field
The present invention relates to a kind of wheelchair.
Background technology
Along with the raising of institutional development and living standards of the people, increasing the old,weak,sick and disabled personage has used rehabilitation wheelchair, thereby greatly facilitates their indoor and outdoor activity, has improved their quality of life, also enlarges their range of activity of knowing clearly.Though the design of rehabilitation wheelchair in the market is very rationally thoughtful, use also extremely Energy and comfort, but also still exist some weak point, for example, wheelchair climb and fall or on downstairs the time, tend to front end is upwarped, only with the trailing wheel implementation that lands, fall with the people who avoids being sitting in the wheelchair, and it is laborsaving as much as possible, but, for the ordinary people, guarantee that the wheelchair front end upwarps certain amplitude and is difficult to very much hold, therefore the user tends to and accidents such as generation rollover, the adjusting though the backrest of some wheelchair can be swung back, it just increases the angle between backrest and the seat cushion, and can not adjust the elevation angle, front and back of the seat integral body of being made up of backrest and seat cushion.
Summary of the invention
The objective of the invention is: a kind of foldable wheelchair of adjusting the elevation angle is provided, this wheelchair need not to upwarp wheelchair frame, get final product the elevation angle, front and back of step-less adjustment seat, even seat is rocked back and forth, be convenient to user's climb and fall and last going downstairs, can also adjust an appearance, avoid long-term wheelchair-bound people to produce decubital ulcer.
Technical scheme of the present invention is: a kind of foldable wheelchair of adjusting the elevation angle, comprise left socle and right support, left chair frame and right chair frame, front-wheel and trailing wheel are installed on left socle and the right support simultaneously, the preceding postmedian of left side chair frame and right chair frame is equipped with respectively dials foot, seat cushion and backrest, be fixed with left support abutment and right support abutment on described left socle and the right support respectively, left chair frame and right chair frame are then distinguished pin joint on left support abutment and right support abutment, and are separately installed with extension adjustment device between left chair frame and left socle, right support and the right support.
The further technical scheme of the present invention is: a kind of foldable wheelchair of adjusting the elevation angle, comprise left socle and right support, left chair frame and right chair frame, front-wheel and trailing wheel are installed on left socle and the right support simultaneously, the preceding postmedian of left side chair frame and right chair frame is equipped with respectively dials foot, seat cushion and backrest, be fixed with left support abutment and right support abutment on described left socle and the right support respectively, left chair frame and right chair frame are then distinguished pin joint on left support abutment and right support abutment, and are separately installed with extension adjustment device between left chair frame and left socle, right support and the right support; Described left support abutment and right support abutment lay respectively at the middle part of the cross tube of left socle and right support, and the pin joint point of left support abutment and right support abutment and left chair frame and right chair frame lays respectively at the middle part of the sheer pole of left chair frame and right chair frame; Described extension adjustment device is installed in the rear portion of left chair frame and left socle, right support and right support respectively, and the expansion link of two extension adjustment device respectively pin joint on left chair frame and right chair frame, pin joint is on left socle and right support respectively for the adjustment seat of two extension adjustment device, insert in the adjustment seat bottom of expansion link.
The more detailed technical scheme of the present invention is: a kind of foldable wheelchair of adjusting the elevation angle, comprise left socle and right support, left chair frame and right chair frame, front-wheel and trailing wheel are installed on left socle and the right support simultaneously, the preceding postmedian of left side chair frame and right chair frame is equipped with respectively dials foot, seat cushion and backrest, be fixed with left support abutment and right support abutment on described left socle and the right support respectively, left chair frame and right chair frame are then distinguished pin joint on left support abutment and right support abutment, and are separately installed with extension adjustment device between left chair frame and left socle, right support and the right support; Described left support abutment and right support abutment lay respectively at the middle part of the cross tube of left socle and right support, and the pin joint point of left support abutment and right support abutment and left chair frame and right chair frame lays respectively at the middle part of the sheer pole of left chair frame and right chair frame; Described extension adjustment device is installed in the rear portion of left chair frame and left socle, right support and right support respectively, and the expansion link of two extension adjustment device respectively pin joint on left chair frame and right chair frame, pin joint is on left socle and right support respectively for the adjustment seat of two extension adjustment device, insert in the adjustment seat bottom of expansion link; The two ends of described adjustment seat are respectively equipped with pilot hole, be provided with two parallel intermediate plates in the adjustment seat, intermediate plate is provided with clamping hole, be respectively equipped with spring between two clamping holes and two pilot holes, two springs compress two intermediate plates, expansion link passes a pilot hole successively, two clamping holes and another pilot hole, the intermediary end of two intermediate plates is folded with fixedly fixture block, the other end is folded with movable voussoir, movable voussoir is inner little and the outer end is big, being provided with spring compressing activity voussoir between the outer end of movable voussoir and the adjustment seat housing enters between two intermediate plates, movable voussoir is connected with brake cable, and brake cable passes spring and the adjustment seat housing stretches out outside the adjustment seat; Described adjustment seat housing comprises pedestal and cover plate, the two ends of pedestal are that pilot hole, middle part are half cavity, cover plate is provided with other half cavity, this half cavity and should be other be provided with in the cavity of half cavity composition ccontaining two intermediate plates groove and with the integrated fixedly fixture block of cavity, the sidepiece of cavity is provided with the perforation of spring base and brake cable, pedestal and cover plate be provided with identical pin joint hole, position for bolt with the adjustment seat pin joint on left socle and right support; The both sides of described movable voussoir are respectively equipped with guiding projection, and the both sides inwall of cavity is provided with gathering sill respectively accordingly, and guiding projection embeds in the gathering sill; Be fixed with the actuator of the brake cable that can stretch on the left and right sides handle on described backrest top respectively; Before and after being provided with between described left socle and the right support two grades respectively pin joint become the connecting rod of X-shaped, the lower end of every grade of connecting rod respectively with the sheer pole pin joint of left socle and right support, about the upper end of every grade of connecting rod then is separately fixed on two carriage release levers, the cross tube inboard of left socle and right support is fixed with former and later two clamping blocks respectively, and carriage release lever is just distinguished inlay card in clamping block; Be connected with folding rod between the upper back of described left socle and right support, the intermediate pin of folding rod is connected to sleeve, is plugged with the something or somebody to fall back on seat in the sleeve.
Advantage of the present invention is:
1. backrest of the present invention and seat cushion form on left chair frame and right chair frame, left side chair frame and right chair frame pin joint are on left support abutment and right support abutment, and the rear end of left chair frame and right chair frame and left socle and right support is connected with extension adjustment device respectively, elevation angle before and after so left chair frame and right chair frame can be adjusted by extension adjustment device, and need not tilting left socle and right support, be convenient to user's climb and fall and last going downstairs, and can adjust an appearance, avoid long-term wheelchair-bound people to produce decubital ulcer.
2. the present invention is made up of the left socle that is symmetrical set and right support, left chair frame and right chair frame, be connected with the connecting rod that two grades of pin joints become X-shaped between left socle and the right support, be provided with software backrest and seat cushion between left side chair frame and the right chair frame, thereby make whole wheelchair to fold up easily, reduced volume, be easy to carry.
3. extension adjustment device of the present invention is made up of the expansion link in adjustment seat and the insertion adjustment seat, expansion link is flexible and be conditioned seat and clamp or unclamp in adjustment seat, and degree of tightness is controlled by actuator pulling brake cable, and it is extremely convenient to use, and be stepless adjustment, can be in arbitrary fixed-site.
Description of drawings
The invention will be further described below in conjunction with embodiment:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is an assembling sketch map of the present invention;
Fig. 3 is the assembling sketch map of extension adjustment device.
Wherein: 1 left socle; 2 right supports; 3 left chair framves; 4 right chair framves; 5 front-wheels; 6 trailing wheels; 7 groups of feet; 8 seat cushions; 9 backrests; 10 left support abutments; 11 right support abutments; 12 extension adjustment device; 13 cross tubes; 14 sheer poles; 15 expansion links; 16 adjustment seats; 17 pilot holes; 18 intermediate plates; 19 clamping holes; 20 springs; 21 fixing fixture blocks; 22 movable voussoirs; 23 adjustment seat housings; 24 springs; 25 brake cable; 26 pedestals; 27 cover plates; 28 cavitys; 29 grooves; 30 spring bases; The perforation of 31 brake cable; 32 pin joint holes; 33 bolts; 34 guiding projections; 35 gathering sills; 36 handles; 37 actuators; 38 connecting rods; 39 sheer poles; 40 carriage release levers; 41 clamping blocks; 42 folding rods; 43 sleeves; 44 something or somebody to fall back on seats.
The specific embodiment
Embodiment: as Fig. 1, Fig. 2, shown in Figure 3, a kind of foldable wheelchair of adjusting the elevation angle, comprise left socle (1) and right support (2), left chair frame (3) and right chair frame (4), front-wheel (5) and trailing wheel (6) are installed on left socle (1) and the right support (2) simultaneously, and the preceding postmedian of left chair frame (3) and right chair frame (4) is equipped with respectively dials foot (7), seat cushion (8) and backrest (9);
Cross tube (13) middle part of left socle (1) and right support (2) is fixed with left support abutment (10) and right support abutment (11) respectively, then pin joint is on left support abutment (10) and right support abutment (11) respectively for the sheer pole (14) of left chair frame (3) and right chair frame (4), and the pin joint point lays respectively at the middle part of sheer pole (14);
Left side chair frame (3) is separately installed with extension adjustment device (12) with left socle (1), right support (4) with the rear end of right support (2), and the expansion link (15) of two extension adjustment device (12) difference pin joint is gone up at left chair frame (3) and right chair frame (4), pin joint is on left socle (1) and right support (2) respectively for the adjustment seat (16) of two extension adjustment device (12), and insert in the adjustment seat (16) bottom of expansion link (15);
The two ends of the adjustment seat (16) of extension adjustment device (12) are respectively equipped with pilot hole (17), be provided with two parallel intermediate plates (18) in the adjustment seat (16), intermediate plate (18) is provided with clamping hole (19), be respectively equipped with spring (20) between two clamping holes (19) and two pilot holes (17), two springs (20) compress two intermediate plates (18), expansion link (15) passes a pilot hole (17) successively, two clamping holes (19) and another pilot hole (17), the intermediary end of two intermediate plates (18) is folded with fixedly fixture block (21), the other end is folded with movable voussoir (22), movable voussoir (22) is inner little and the outer end is big, being provided with spring (24) compressing activity voussoir (22) between the outer end of movable voussoir (22) and the adjustment seat housing (23) enters between two intermediate plates (18), movable voussoir (22) is connected with brake cable (25), and brake cable (25) passes spring (24) and adjustment seat housing (23) stretches out outside the adjustment seat (16); Adjustment seat housing (23) comprises pedestal (26) and cover plate (27), the two ends of pedestal (26) are pilot hole (17), the middle part is half cavity, cover plate (27) is provided with other half cavity, this half cavity and should be other be provided with in the cavity (28) of half cavity composition ccontaining two intermediate plates (18) groove (29) and with the integrated fixedly fixture block of cavity (28) (21), the sidepiece of cavity (28) is provided with spring base (30) and brake cable perforation (31), pedestal (26) and cover plate (27) be provided with identical pin joint hole (32) the confession bolt (33) in position with adjustment seat (16) pin joint on left socle (1) and right support (2); The both sides of movable voussoir (22) are respectively equipped with guiding projection (34), and the both sides inwall of cavity (28) is provided with gathering sill (35) respectively accordingly, and guiding projection (34) embeds in the gathering sill (35); Be fixed with the actuator (37) of brake cable (25) that can stretch on the left and right sides handle (36) on backrest (9) top respectively.
Before and after being provided with between left socle (1) and the right support (2) two grades respectively pin joint become the connecting rod (38) of X-shaped, the lower end of every grade of connecting rod (38) respectively with sheer pole (39) pin joint of left socle (1) and right support (2), about the upper end of every grade of connecting rod (38) then is separately fixed on two carriage release levers (40), cross tube (13) inboard of left socle (1) and right support (2) is fixed with former and later two clamping blocks (41) respectively, and carriage release lever (40) is just distinguished inlay card in clamping block (41).
Be connected with folding rod (42) between the upper back of left socle (1) and right support (2), the intermediate pin of folding rod (42) is connected to sleeve (43), is plugged with something or somebody to fall back on seat (44) in the sleeve (43).
Backrest of the present invention (9) and seat cushion (8) are gone up formation at left chair frame (3) and right chair frame (4), left side chair frame (3) and right chair frame (4) pin joint are on left support abutment (10) and right support abutment (11), and left chair frame (3) and right chair frame (4) are connected with extension adjustment device (12) respectively with the rear end of left socle (1) and right support (2), elevation angle before and after so left chair frame (10) and right chair frame (11) can be adjusted by extension adjustment device (12), and need not tilting left socle (1) and right support (2), be convenient to user's climb and fall and last going downstairs, and can adjust an appearance, avoid long-term wheelchair-bound people to produce decubital ulcer; The present invention is made up of the left socle that is symmetrical set (1) and right support (2), left chair frame (3) and right chair frame (4), be connected with the connecting rod (38) that two grades of pin joints become X-shaped between left socle (1) and the right support (2), be provided with software backrest (9) and seat cushion (8) between left side chair frame (3) and the right chair frame (4), thereby make whole wheelchair to fold up easily, reduced volume, be easy to carry; Extension adjustment device of the present invention (12) is made up of the expansion link (15) in adjustment seat (16) and the insertion adjustment seat (16), expansion link (15) is flexible and be conditioned seat (16) and clamp or unclamp in adjustment seat (16), degree of tightness is controlled by actuator (37) pulling brake cable (25), it is extremely convenient to use, and be stepless adjustment, can be in arbitrary fixed-site.
Claims (9)
1. the foldable wheelchair that can adjust the elevation angle, comprise left socle (1) and right support (2), left side chair frame (3) and right chair frame (4), front-wheel (5) and trailing wheel (6) are installed on left socle (1) and the right support (2) simultaneously, the preceding postmedian of left side chair frame (3) and right chair frame (4) is equipped with respectively dials foot (7), seat cushion (8) and backrest (9), it is characterized in that: be fixed with left support abutment (10) and right support abutment (11) on described left socle (1) and the right support (2) respectively, left chair frame (3) and right chair frame (4) are then distinguished pin joint on left support abutment (10) and right support abutment (11), and left chair frame (3) and left socle (1), be separately installed with extension adjustment device (12) between right support (4) and the right support (2).
2. the foldable wheelchair of adjusting the elevation angle according to claim 1, it is characterized in that: described left support abutment (10) and right support abutment (11) lay respectively at the middle part of the cross tube (13) of left socle (1) and right support (2), and the pin joint point of left support abutment (10) and right support abutment (11) and left chair frame (3) and right chair frame (4) lays respectively at the middle part of the sheer pole (14) of left chair frame (3) and right chair frame (4).
3. the foldable wheelchair of adjusting the elevation angle according to claim 1, it is characterized in that: described extension adjustment device (12) is installed in the rear portion of left chair frame (3) and left socle (1), right support (4) and right support (2) respectively, and the expansion link (15) of two extension adjustment device (12) difference pin joint is gone up at left chair frame (3) and right chair frame (4), pin joint is on left socle (1) and right support (2) respectively for the adjustment seat (16) of two extension adjustment device (12), and insert in the adjustment seat (16) bottom of expansion link (15).
4. according to claim 1 or the 2 or 3 described foldable wheelchairs of adjusting the elevation angle, it is characterized in that: the two ends of the adjustment seat (16) of described extension adjustment device (12) are respectively equipped with pilot hole (17), be provided with two parallel intermediate plates (18) in the adjustment seat (16), intermediate plate (18) is provided with clamping hole (19), be respectively equipped with spring (20) between two clamping holes (19) and two pilot holes (17), two springs (20) compress two intermediate plates (18), expansion link (15) passes a pilot hole (17) successively, two clamping holes (19) and another pilot hole (17), the intermediary end of two intermediate plates (18) is folded with fixedly fixture block (21), the other end is folded with movable voussoir (22), movable voussoir (22) is inner little and the outer end is big, being provided with spring (24) compressing activity voussoir (22) between the outer end of movable voussoir (22) and the adjustment seat housing (23) enters between two intermediate plates (18), movable voussoir (22) is connected with brake cable (25), and brake cable (25) passes spring (24) and adjustment seat housing (23) stretches out outside the adjustment seat (16).
5. the foldable wheelchair of adjusting the elevation angle according to claim 4, it is characterized in that: described adjustment seat housing (23) comprises pedestal (26) and cover plate (27), the two ends of pedestal (26) are pilot hole (17), the middle part is half cavity, cover plate (27) is provided with other half cavity, this half cavity and should be other be provided with in the cavity (28) of half cavity composition ccontaining two intermediate plates (18) groove (29) and with the integrated fixedly fixture block of cavity (28) (21), the sidepiece of cavity (28) is provided with spring base (30) and brake cable perforation (31), pedestal (26) and cover plate (27) be provided with identical pin joint hole (32) the confession bolt (33) in position with adjustment seat (16) pin joint on left socle (1) and right support (2).
6. the foldable wheelchair of adjusting the elevation angle according to claim 5, it is characterized in that: the both sides of described movable voussoir (22) are respectively equipped with guiding projection (34), the both sides inwall of cavity (28) is provided with gathering sill (35) respectively accordingly, and guiding projection (34) embeds in the gathering sill (35).
7. the foldable wheelchair of adjusting the elevation angle according to claim 4 is characterized in that: the actuator (37) that is fixed with brake cable (25) that can stretch on the left and right sides handle (36) on described backrest (9) top respectively.
8. the foldable wheelchair of adjusting the elevation angle according to claim 1, it is characterized in that: before and after being provided with between described left socle (1) and the right support (2) two grades respectively pin joint become the connecting rod (38) of X-shaped, the lower end of every grade of connecting rod (38) respectively with sheer pole (39) pin joint of left socle (1) and right support (2), about the upper end of every grade of connecting rod (38) then is separately fixed on two carriage release levers (40), cross tube (13) inboard of left socle (1) and right support (2) is fixed with former and later two clamping blocks (41) respectively, and carriage release lever (40) is just distinguished inlay card in clamping block (41).
9. the foldable wheelchair of adjusting the elevation angle according to claim 1, it is characterized in that: be connected with folding rod (42) between the upper back of described left socle (1) and right support (2), the intermediate pin of folding rod (42) is connected to sleeve (43), is plugged with something or somebody to fall back on seat (44) in the sleeve (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100147534A CN1297246C (en) | 2004-04-23 | 2004-04-23 | Folding wheel chair with adjustable elevation angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100147534A CN1297246C (en) | 2004-04-23 | 2004-04-23 | Folding wheel chair with adjustable elevation angle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1568917A CN1568917A (en) | 2005-01-26 |
| CN1297246C true CN1297246C (en) | 2007-01-31 |
Family
ID=34478575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100147534A Expired - Fee Related CN1297246C (en) | 2004-04-23 | 2004-04-23 | Folding wheel chair with adjustable elevation angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1297246C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101744691B (en) * | 2008-12-12 | 2011-10-19 | 上海互邦医疗器械有限公司 | Foldable rolling chair |
| CN102245017A (en) * | 2008-12-23 | 2011-11-16 | 雅芳产品公司 | Topical compositions containing cis-6-nonenol and its derivatives and methods for treating skin |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104434419B (en) * | 2014-12-08 | 2017-11-14 | 常州中进医疗器材有限公司 | Fast Installation detaching structure and the first-aid trolley with Fast Installation detaching structure |
| CN106419226B (en) * | 2016-12-26 | 2019-03-08 | 于沛然 | Chair with automatic brake functions |
| CN107212972A (en) * | 2017-07-14 | 2017-09-29 | 成都益睿信科技有限公司 | A kind of Medical hand pushing-type wheelchair |
| CN108309597B (en) * | 2018-01-30 | 2019-08-09 | 尹红云 | A kind of automatic stari creeping ladder wheelchair |
| CN108309598B (en) * | 2018-01-30 | 2019-08-06 | 青岛市肿瘤医院 | A kind of sucked type automatic stari creeping ladder wheelchair |
| CN113619696B (en) * | 2021-07-30 | 2022-10-18 | 山东纳德机械科技有限公司 | Crawler-type carrying chassis, horizontal stair climbing machine and self-adaptive climbing method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4830567A (en) * | 1987-10-20 | 1989-05-16 | Rachman Isadore B | Portable wheelchair lift |
| JPH08131485A (en) * | 1994-11-11 | 1996-05-28 | Maruishi Jitensha Kk | Wheelchair |
| CN2557121Y (en) * | 2002-06-28 | 2003-06-25 | 李茂顺 | Portable folding wheelchair |
| US6641354B1 (en) * | 2002-01-16 | 2003-11-04 | Leonora Lubrano | Wheelchair lifting apparatus |
-
2004
- 2004-04-23 CN CNB2004100147534A patent/CN1297246C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4830567A (en) * | 1987-10-20 | 1989-05-16 | Rachman Isadore B | Portable wheelchair lift |
| JPH08131485A (en) * | 1994-11-11 | 1996-05-28 | Maruishi Jitensha Kk | Wheelchair |
| US6641354B1 (en) * | 2002-01-16 | 2003-11-04 | Leonora Lubrano | Wheelchair lifting apparatus |
| CN2557121Y (en) * | 2002-06-28 | 2003-06-25 | 李茂顺 | Portable folding wheelchair |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101744691B (en) * | 2008-12-12 | 2011-10-19 | 上海互邦医疗器械有限公司 | Foldable rolling chair |
| CN102245017A (en) * | 2008-12-23 | 2011-11-16 | 雅芳产品公司 | Topical compositions containing cis-6-nonenol and its derivatives and methods for treating skin |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1568917A (en) | 2005-01-26 |
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Granted publication date: 20070131 Termination date: 20130423 |