CN201036595Y - Wheelchair for invalids - Google Patents
Wheelchair for invalids Download PDFInfo
- Publication number
- CN201036595Y CN201036595Y CNU2007200845249U CN200720084524U CN201036595Y CN 201036595 Y CN201036595 Y CN 201036595Y CN U2007200845249 U CNU2007200845249 U CN U2007200845249U CN 200720084524 U CN200720084524 U CN 200720084524U CN 201036595 Y CN201036595 Y CN 201036595Y
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- Prior art keywords
- wheelchair
- hinged
- wheel
- chain
- vehicle frame
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- Expired - Fee Related
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Abstract
The utility model relates to a wheelchair for handicapped, which comprises wheels(1), a rack(2), and a cushion(3). The wheels(1) are axially connected on the rack(2); the middle part of the cushion(3) is hinged on the rack(2); the wheelchair still comprises a walking mechanism which comprises a chain transmission pair mechanism and a wheel drive mechanism; the chain transmission pair mechanism drives the wheel drive mechanism which drives the wheels(1); the chain transmission pair mechanism comprises a chain(5), a ratchet wheel(4) driven by the chain(5) and a return spring(7); one end of the chain(5) is connected with the side of the hinging part of the cushion(3) and the other end is connected with the rack(2) through the return spring(7); the ratchet wheel(4) drives the wheel drive mechanism. The utility model has a waking mechanism, which can utilize the left and right small angles of the human gravity to swing and drive the ratchet wheel and the wheel drive mechanism, realizing the self walking of the people with paralyzed lower limbs and disabled limbs.
Description
Technical field
This utility model relates to wheelchair, wheelchair particularly for disabled persons.
Background technology
According to the interrelated data statistics, current China causes more than 2,000 ten thousand people's lower extremity paralysiss owing to reasons such as disease, disaster or advanced ages, thereby causes them can only rely on the wheelchair life all the life.
Existing wheelchair function singleness, the individuals with disabilities can only keep the attitude of seat on wheelchair, and the activity space at aspects such as life, work, employment and amusements is greatly limited.In addition, because the individuals with disabilities keeps sitting posture for a long time, can produce harmful effect to the function of each organ of health, for example: cause blood circulation to be obstructed, the lower limb muscles atrophy when serious, even can cause cardio-pulmonary function to descend.
Summary of the invention
One of technical problem to be solved in the utility model is: a kind of wheelchair for disabled persons is provided, and this wheelchair can be realized self-service advancing the individuals with disabilities under the situation of line operate.
Two of technical problem to be solved in the utility model is: a kind of wheelchair for disabled persons is provided, and this wheelchair can be realized self-service rehabilitation the individuals with disabilities under the situation of line operate.
Three of technical problem to be solved in the utility model is: a kind of wheelchair for disabled persons is provided, and this wheelchair can be realized self-service standing the individuals with disabilities under the situation of line operate.
This utility model solves the problems of the technologies described above the technical scheme that is adopted:
A kind of wheelchair for disabled persons, wheelchair comprises wheel, vehicle frame, medicated cushion; Axletree is connected on the vehicle frame; The medicated cushion middle part is hinged on the vehicle frame;
Wheelchair also comprises walking mechanism, and walking mechanism comprises chain transmission mechanism, wheel driving mechanism; Chain transmission mechanism drives wheel driving mechanism, wheel drive mechanism wheel;
Chain transmission mechanism comprises chain, chain-drive ratchet, back-moving spring; One end of chain is connected with side, medicated cushion hinged place, and an end of chain is by being connected with vehicle frame with back-moving spring; Ratchet drives the wheel driving mechanism.
In the such scheme, the wheel driving mechanism comprises friction pulley, and friction pulley is driven by ratchet, and the wheel face of friction pulley contacts with the wheel face of wheel.
In the such scheme, walking mechanism is two covers, and an end of the chain of two cover walking mechanisms is connected with two sides, medicated cushion hinged place respectively, and the wheel driving mechanism of two cover walking mechanisms drives two wheels respectively.
In the such scheme, each walking mechanism also comprises changement; Changement comprises jaw clutch, push rod; One end of push rod is provided with bevel gear;
Jaw clutch is arranged between ratchet and the wheel driving mechanism;
The jaw clutch two ends are respectively equipped with the bevel gear that can cooperate with the push rod bevel gear, and the push rod bevel gear is between jaw clutch two bevel gears.
In the such scheme, wheelchair also comprises foot-operated swing mechanism, two pedals; Foot-operated swing mechanism comprises: two connecting rods, two rocking bars; One end of two connecting rods is connected with both sides, medicated cushion hinged place, and the other end of two connecting rods is hinged with an end of two rocking bars respectively; Two pedals are separately fixed at the other end of two rocking bars; The middle part of two rocking bars is hinged with vehicle frame respectively.
In the such scheme, wheelchair also comprises elevating mechanism, backrest; The front end and the vehicle frame of medicated cushion are hinged; The lower end of backrest and the rear end of medicated cushion are hinged;
Elevating mechanism comprise motor, by motor-driven nut, the screw rod that cooperates with nut, slide bar, with the supporting sliding sleeve of slide bar;
Motor, nut are hinged with vehicle frame respectively; One end and the vehicle frame of sliding sleeve are hinged, and an end and the backrest of slide bar are hinged; One end and the backrest of screw rod are hinged.
Advantage of the present utility model is:
1, has walking mechanism, can utilize gravity center of human body left and right sides low-angle to wave driving pawl and wheel driving mechanism, realized lower extremity paralysis and personage deformed in one's limbs is self-service advances.
2, walking mechanism comprises changement, and the may command wheelchair is turned.
3, the self-service function of advancing is that traditional push chairs has been introduced a kind of new type of drive, makes all unsound individuals with disabilities of extremity can rely on self center of gravity left and right sides low-angle to wave driving force is provided, realize wheelchair advance, retreat and the original place no-radius is turned.
4, have foot-operated swing mechanism, can utilize gravity center of human body left and right sides low-angle to wave the drive link mechanism kinematic, realized the self-service activity of individuals with disabilities's lower limb, help lower limb rehabilitation, improve individuals with disabilities's lower limb blood circulation, prevented the lower limb muscles atrophy, improved cardio-pulmonary function;
5, have elevating mechanism, can pass through motor-driven medicated cushion and backrest lifting, realized that the lower extremity paralysis personage is self-service to stand.
Description of drawings
Fig. 1,2 is this utility model example structure sketch map
Fig. 3 is a walking mechanism structural principle sketch
Fig. 4 is a changement structural principle sketch
Fig. 5 is the structural representation of changement
Fig. 6 is foot-operated swing mechanism structural principle sketch
Fig. 7 is an elevating mechanism structural principle sketch, and wherein dotted portion is the rise state
Among the figure: 1 wheel, 2 vehicle frames, 3 medicated cushions, 4 ratchets, 5 chains, 6 handles, 7 back-moving springs, 8 friction pulleys, 9 jaw clutches, 10 push rods, 11,12,13 bevel gears, 14 pedals, 15 connecting rods, 16 rocking bars, 17 motors, 18 bevel gears, 19 nuts, 20 screw rods, 21 slide bars, 22 sliding sleeves, 23 backrests.
The specific embodiment
This utility model embodiment wheelchair for disabled persons as shown in Figure 1, 2, wheelchair comprise wheel 1, vehicle frame 2, medicated cushion 3, backrest 23, two pedals 14; 1 of wheel is connected on the vehicle frame 2; Medicated cushion 3 middle parts are hinged on the vehicle frame 2;
Wheelchair also comprises walking mechanism, foot-operated swing mechanism, elevating mechanism.
Comprise chain transmission mechanism, wheel driving mechanism as Fig. 3 walking mechanism; Chain transmission mechanism drives wheel driving mechanism, wheel drive mechanism wheel 1;
Chain transmission mechanism comprises chain 5, chain-drive ratchet 4, back-moving spring 7; One end of chain 5 is connected with side, medicated cushion 3 hinged place, and an end of chain 5 is by being connected with vehicle frame 2 with back-moving spring 7; Ratchet 4 drives the wheel driving mechanism.
The wheel driving mechanism is a friction pulley 8, and friction pulley 8 is driven by ratchet 4, and the wheel face of friction pulley 8 contacts with the wheel face of wheel 1.
As shown in Figure 1, walking mechanism is two covers, and an end of the chain 5 of two cover walking mechanisms is connected with two sides, medicated cushion 3 hinged place respectively, and the wheel driving mechanism of two cover walking mechanisms drives two wheels 1 respectively.
Also comprise changement as Fig. 4,5 each walking mechanism; Changement comprises jaw clutch 9, push rod 10; One end of push rod 10 is provided with bevel gear 13; Push rod 10 is by handle 6 controls.
Jaw clutch 9 is arranged between ratchet 4 and the wheel driving mechanism;
Jaw clutch 9 two ends are respectively equipped with the bevel gear 11,12 that can cooperate with push rod bevel gear 13, and push rod bevel gear 13 is between jaw clutch two bevel gears 11,12.
As shown in Figure 6, foot-operated swing mechanism, two pedals 14; Foot-operated swing mechanism comprises: two connecting rods 15, two rocking bars 16; One end of two connecting rods 15 is connected with both sides, medicated cushion 3 hinged place, and the other end of two connecting rods 15 is hinged with an end of two rocking bars 16 respectively; Two pedals 14 are separately fixed at the other end of two rocking bars 16; The middle part of two rocking bars 16 is hinged with vehicle frame 2 respectively.
As shown in Figure 7, wheelchair also comprises elevating mechanism, backrest 23; The front end of medicated cushion 3 and vehicle frame 2 are hinged; The rear end of the lower end of backrest 20 and medicated cushion 3 is hinged;
Elevating mechanism comprises motor 17, the nut 19 that is driven by motor 17, the screw rod 20 that cooperates with nut 19, slide bar 21, and the supporting sliding sleeve 22 of slide bar 21; The nut 19 that motor 17 drives by bevel gear 18
The operation principle of this utility model embodiment is:
Walking mechanism:
By medicated cushion 3 vacillate now to the left, now to the right drive chain 5, back-moving spring 7 is reciprocating, thereby ratchet 4 is rotated, pass motion to wheel 1 by friction pulley 8 again, advance to drive wheelchair.
Changement makes push rod 10 pressurizeds by handle 6, move downward, driving bevel gear 13 moves down, bevel gear 11,12 engagements with jaw clutch 9 two ends, jaw clutch 9 is separated, rotatablely moving after monosymmetric bevel gear 11,12 commutations of ratchet 4 pass to friction pulley 8, and then the driving wheelchair advanced backward.When only rotating monolateral changement, can drive friction pulley 8 counter-rotatings of its homonymy, and the friction pulley 8 of opposite side is rotated in the forward still, and then can realizes the original place no-radius turning of wheelchair.
Certainly, changement also can be realized the wheelchair fallback function.
Foot-operated swing mechanism:
When medicated cushion 3 swung under the effect of human body lateral pressure, drivening rod 15 moved up and down, and driving rocking bar 16 be that rotating fulcrum waves with vehicle frame 2, and drove two pedals 14 and move up and down, and made human body lower limbs obtain exercise.
Elevating mechanism:
Claims (6)
1. wheelchair for disabled persons, wheelchair comprises wheel (1), vehicle frame (2), medicated cushion (3); Wheel (1) axle is connected on the vehicle frame (2); It is characterized in that: medicated cushion (3) middle part is hinged on the vehicle frame (2);
Wheelchair also comprises walking mechanism, and walking mechanism comprises chain transmission mechanism, wheel driving mechanism; Chain transmission mechanism drives wheel driving mechanism, wheel drive mechanism wheel (1);
Chain transmission mechanism comprises chain (5), chain-drive ratchet (4), back-moving spring (7); One end of chain (5) is connected with medicated cushion (3) side, hinged place, and an end of chain (5) is by being connected with vehicle frame (2) with back-moving spring (7); Ratchet (4) drives the wheel driving mechanism.
2. wheelchair as claimed in claim 1 is characterized in that: the wheel driving mechanism comprises friction pulley (8), and friction pulley (8) is driven by ratchet (4), and the wheel face of friction pulley (8) contacts with the wheel face of wheel (1).
3. wheelchair as claimed in claim 1 is characterized in that: walking mechanism is two covers, and an end of the chain (5) of two cover walking mechanisms is connected with medicated cushion (3) two sides, hinged place respectively, and the wheel driving mechanism of two cover walking mechanisms drives two wheels (1) respectively.
4. wheelchair as claimed in claim 3 is characterized in that: each walking mechanism also comprises changement; Changement comprises jaw clutch (9), push rod (10); One end of push rod (10) is provided with bevel gear (13);
Jaw clutch (9) is arranged between ratchet (4) and the wheel driving mechanism;
Jaw clutch (9) two ends are respectively equipped with the bevel gear (11,12) that can cooperate with push rod bevel gear (13), and push rod bevel gear (13) is positioned between jaw clutch two bevel gears (11,12).
5. wheelchair as claimed in claim 1 is characterized in that: wheelchair also comprises foot-operated swing mechanism, two pedals (14); Foot-operated swing mechanism comprises: two connecting rods (15), two rocking bars (16); One end of two connecting rods (15) is connected with medicated cushion (3) both sides, hinged place, and the other end of two connecting rods (15) is hinged with an end of two rocking bars (16) respectively; Two pedals (14) are separately fixed at the other end of two rocking bars (16); The middle part of two rocking bars (16) is hinged with vehicle frame (2) respectively.
6. wheelchair as claimed in claim 1 is characterized in that: wheelchair also comprises elevating mechanism, backrest (23); The front end of medicated cushion (3) and vehicle frame (2) are hinged; The rear end of the lower end of backrest (20) and medicated cushion (3) is hinged;
Elevating mechanism comprises motor (17), the nut (19) that is driven by motor (17), the screw rod (20) that cooperates with nut (19), slide bar (21), and the supporting sliding sleeve (22) of slide bar (21);
Motor (17), nut (19) are hinged with vehicle frame (2) respectively; One end of sliding sleeve (22) and vehicle frame (2) are hinged, and an end of slide bar (21) and backrest (23) are hinged; One end of screw rod (20) and backrest (23) are hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200845249U CN201036595Y (en) | 2007-04-30 | 2007-04-30 | Wheelchair for invalids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200845249U CN201036595Y (en) | 2007-04-30 | 2007-04-30 | Wheelchair for invalids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201036595Y true CN201036595Y (en) | 2008-03-19 |
Family
ID=39209101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200845249U Expired - Fee Related CN201036595Y (en) | 2007-04-30 | 2007-04-30 | Wheelchair for invalids |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201036595Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105167922A (en) * | 2015-09-21 | 2015-12-23 | 沈阳化工大学 | Medical transfer sickbed |
| CN105877936A (en) * | 2016-06-27 | 2016-08-24 | 张七龙 | Method for producing and using friction type manual driving device of wheelchair |
| CN106109125A (en) * | 2016-06-27 | 2016-11-16 | 张七龙 | The friction-type artificial actuating device of wheelchair |
| CN107803006A (en) * | 2017-11-29 | 2018-03-16 | 哈尔滨体育学院 | A kind of disabled person's curling servicing unit |
-
2007
- 2007-04-30 CN CNU2007200845249U patent/CN201036595Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105167922A (en) * | 2015-09-21 | 2015-12-23 | 沈阳化工大学 | Medical transfer sickbed |
| CN105167922B (en) * | 2015-09-21 | 2017-06-09 | 沈阳化工大学 | A kind of medical transfer sick bed |
| CN105877936A (en) * | 2016-06-27 | 2016-08-24 | 张七龙 | Method for producing and using friction type manual driving device of wheelchair |
| CN106109125A (en) * | 2016-06-27 | 2016-11-16 | 张七龙 | The friction-type artificial actuating device of wheelchair |
| CN106109125B (en) * | 2016-06-27 | 2018-07-20 | 张七龙 | The frictional artificial actuating device of wheelchair |
| CN107803006A (en) * | 2017-11-29 | 2018-03-16 | 哈尔滨体育学院 | A kind of disabled person's curling servicing unit |
| CN107803006B (en) * | 2017-11-29 | 2018-08-03 | 哈尔滨体育学院 | A kind of disabled person's curling auxiliary device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080319 |