CN210408811U - Hand-operated self-service wheelchair with climbing safety auxiliary mechanism - Google Patents
Hand-operated self-service wheelchair with climbing safety auxiliary mechanism Download PDFInfo
- Publication number
- CN210408811U CN210408811U CN201920733948.6U CN201920733948U CN210408811U CN 210408811 U CN210408811 U CN 210408811U CN 201920733948 U CN201920733948 U CN 201920733948U CN 210408811 U CN210408811 U CN 210408811U
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- brake
- wheelchair
- rod piece
- swing rod
- handle
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- 230000009194 climbing Effects 0.000 title claims abstract description 24
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 244000309464 bull Species 0.000 description 3
- 210000001364 upper extremity Anatomy 0.000 description 3
- 230000002354 daily effect Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009323 psychological health Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
本实用新型公开了一种具有爬坡安全辅助机构的手摇自助式轮椅，包括：车身框架，该车身框架具有座部、背部和主支撑架；一对大轮，该一对大轮安装于所述车身框架后端部的宽度方向两侧；一对前轮；摇摆杆件；该摇摆杆件安装在所述大轮上；摇摆杆棘轮机构，该摇摆杆棘轮机构与所述摇摆杆件连接，摇摆杆棘轮机构和所述摇摆杆件可实现大轮的单方向运转；主支撑架，该主支撑架安装在所述座部的下方，且一端与座部连接，另一端与车身框架中端下部两侧连接。该轮椅可以实现轮椅操作的单人自助而无需专人推行陪护，且轮椅不会发生溜坡，其结构简单、绿色环保、操作方便、省力且安全性能高。
The utility model discloses a hand-operated self-service wheelchair with a climbing safety auxiliary mechanism, comprising: a body frame, the body frame has a seat, a back and a main support frame; a pair of large wheels, the pair of large wheels are mounted on The two sides in the width direction of the rear end of the body frame; a pair of front wheels; a rocking rod member; the rocking rod member is mounted on the large wheel; a rocking rod ratchet mechanism, the rocking rod ratchet mechanism and the rocking rod member connection, the ratchet mechanism of the rocking rod and the rocking rod can realize the unidirectional operation of the large wheel; the main support frame, the main support frame is installed under the seat part, and one end is connected with the seat part, and the other end is connected with the body frame The lower part of the middle end is connected on both sides. The wheelchair can realize the single-person self-help of the wheelchair operation without the need for a special person to accompany the wheelchair, and the wheelchair does not slide down, and has a simple structure, green environmental protection, convenient operation, labor saving and high safety performance.
Description
Technical Field
The utility model belongs to the technical field of the wheelchair, concretely relates to hand self-service wheelchair with climbing safety assistance mechanism.
Background
In the future, the aging problem of the population will become more and more serious, and the number of the elderly people who are single or lack of care due to the fact that children are busy is increasing. On the other hand, old people are very easy to have stroke or leg diseases, so the number of old patients who are inconvenient to walk due to the stroke or the leg diseases is increased continuously. Due to the severe deterioration of the ability of these elderly patients to stand for walking, everyday life or daily travel has to resort to wheelchairs.
The ordinary wheelchair that sells on the market now comprises wheelchair frame, brake mechanism, wheel, seat support and back mainly, and the old person who uses this type ordinary wheelchair goes out to handle affairs or outdoor activities exercise daily needs the special messenger to accompany and carry out, and its function is more single, is difficult to satisfy the demand that the old person went out to handle affairs or outdoor activities exercise by oneself. It is also impossible to satisfy the demand of the elderly to gradually recover the physical function through upper limb strength exercise. Besides, the common wheelchairs sold in the market generally do not have a climbing safety auxiliary device, and when the old sits on the wheelchairs in a climbing state and is pushed to climb without assistance, the wheelchairs are easy to slide, so that the life safety of the old is threatened.
Disclosure of Invention
The utility model aims at solving the not enough of prior art, and provide a hand self-service wheelchair with climbing safety complementary unit, this wheelchair can realize the single self-service and need not the special messenger of wheelchair operation and carry out the accompanying and attending to, and the wheelchair can not take place the swift current slope, its simple structure, green, convenient operation, laborsaving and security performance height.
The utility model adopts the following technical scheme:
the utility model provides a hand self-service wheelchair with climbing safety assistance mechanism, include:
a body frame having a seat, a back, and a main support frame;
a pair of large wheels attached to both sides in the width direction of the rear end portion of the vehicle body frame;
a pair of front wheels which are movable casters and are provided on the lower part of the front end of the body frame;
swinging the rod; the swinging rod piece is arranged on the big wheel;
the rocking bar ratchet mechanism is connected with the rocking bar piece, and the rocking bar ratchet mechanism and the rocking bar piece can realize the unidirectional operation of a large wheel;
and the main support frame is arranged below the seat part, one end of the main support frame is connected with the seat part, and the other end of the main support frame is connected with two sides of the lower part of the middle end of the vehicle body frame.
Further, side portions are provided on both sides of the seat portion in the width direction, respectively, and the side portions constitute armrests.
Furthermore, the frame of the armrest in the vertical direction is connected with a leg support unit, and the leg support unit comprises a pair of bending support rods which are arranged along two sides of the width direction of the vehicle body frame and extend forwards and downwards, and a leg support part which is sleeved on the bending support rods.
Further, the lower ends of the pair of bent support rods are connected to the foot pedal parts, respectively.
Still further, the leg support member is canvas.
Still further, the rocking lever includes:
a rocking lever handle;
the handle sleeve of the swinging rod piece is sleeved on the handle of the swinging rod piece;
one end of the upper swinging rod piece is connected with the swinging rod piece handle;
one end of the lower swing rod is connected with the other end of the upper swing rod, and the other end of the lower swing rod is connected with the brake;
the brake handle is connected with the swinging rod handle;
a brake installed at a lower end of the rocking lever;
and the brake cable is simultaneously connected with the brake and the swinging rod handle.
Still further, the rocking beam ratchet mechanism comprises:
an inner ratchet wheel, the rotation center axis of which is concentrically connected with the rotation center axis of the bull wheel
The synchronous rotation of the inner ratchet wheel and the large wheel is ensured;
one end of the pawl is connected with the inner ratchet wheel, and the other end of the pawl is connected with the swinging rod handle;
and the spring is sleeved on the periphery of the pawl.
Still further, the brake includes:
a brake spring;
brake shoe;
one end of the fixing piece is connected with the lower swinging rod piece, and the other end of the fixing piece is connected with one end of the brake spring;
the other end of the brake spring is connected with the clamping jaw, and the clamping jaw is simultaneously connected with the brake cable and the brake shoe.
Still further, the front wheel includes:
a vacuum tire;
a hub connected to the vacuum tire;
a hub shaft connected to the hub through a rolling bearing;
the rotating shaft is connected with the bracket;
and the bracket is connected with the hub shaft through a groove arranged on the bracket.
Furthermore, the hand-operated self-service wheelchair with the climbing safety assisting mechanism further comprises: a push handle connected to the back portion.
Compared with the prior art, the utility model, its beneficial effect does:
the utility model can realize the operation of the wheelchair by manually operating the swinging rod piece, thereby realizing the function of one-man self-service wheelchair operation without the need of a specially-assigned person for accompanying; the wheelchair is manually operated to run, so that the function of gradually improving the physical function through upper limb strength exercise is realized; the wheelchair is ensured not to slide down on a slope under the condition that the wheelchair is pushed and climbed without assistance of people by utilizing the one-way operation function of the mechanism formed by the cooperation of the swinging rod piece and the ratchet wheel; the forward and backward rotation of the wheelchair is realized by utilizing the forward and backward driving rotation function of a mechanism formed by the pawl and the ratchet wheel, and the leftward and rightward steering function of the wheelchair is realized by utilizing different frequencies when the rocking rod piece is driven by the left hand and the right hand; the novel outdoor sports table is simple in structure, environment-friendly, convenient to operate, labor-saving, high in safety performance, beneficial to single self-help traveling, and convenient for users to do appropriate sports outdoors and keep physical and psychological health.
Drawings
FIG. 1 is a schematic perspective view of a hand-operated self-service wheelchair and a climbing safety assisting mechanism thereof;
FIG. 2 is a schematic structural view of a rocking bar of the hand-operated self-service wheelchair and the climbing safety assisting mechanism thereof;
FIG. 3 is a schematic structural view of a rocking bar ratchet mechanism of the hand-operated self-service wheelchair and a climbing safety assisting mechanism thereof;
FIG. 4 is a schematic structural view of a brake of the hand-operated self-service wheelchair and the climbing safety assisting mechanism thereof;
FIG. 5 is a schematic view of the structure of the universal wheels of the hand-operated self-service wheelchair and the climbing safety assisting mechanism thereof;
fig. 6 is a side view of the hand-operated self-service wheelchair and the climbing safety assisting mechanism thereof in a certain state during movement.
Reference numerals: 1. swinging the rod; 1-1, swinging rod piece handle sleeve; 1-2, a brake handle; 1-3, swinging the rod piece upwards; 1-4, a lower swing rod piece; 1-5, brake cable; 1-6, swinging a rod handle; 2. a rocking lever ratchet mechanism; 2-1, pawl; 2-2, a spring; 2-3, an inner ratchet wheel; 3. a side portion; 4. a brake; 4-1, a brake spring; 4-2, brake lining; 4-3, fixing parts; 4-4, clamping jaw; 5. a front wheel; 5-1, vacuum tire; 5-2, a hub; 5-3, a hub axle; 5-4, a rotating shaft; 5-5, a bracket; 6. a foot pedal member; 7. a support member; 8. a vehicle body frame; 9. a seat portion; 10. a back; 11. a push handle; 12. a main supporting frame; 13. a bull wheel;
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
Examples
As shown in fig. 1 the utility model provides a hand self-service wheelchair with climbing safety auxiliary mechanism, include:
a vehicle body frame 8, the vehicle body frame 8 having a seat 9, a back 10 and a main support frame 12;
a pair of large wheels 13 attached to both sides in the width direction of the rear end portion of the vehicle body frame 8;
a pair of front wheels 5, the pair of front wheels 5 being movable casters, provided on a lower portion of a front end portion of the vehicle body frame 8;
a rocking bar member 1; the swinging rod piece 1 is arranged on the large wheel 13;
the rocking bar ratchet mechanism 2 is connected with the rocking bar piece 1, and the rocking bar ratchet mechanism 2 and the rocking bar piece 1 can realize the unidirectional operation of a large wheel 13;
and the main support frame 12 is arranged below the seat part 9, one end of the main support frame 12 is connected with the seat part 9, and the other end of the main support frame 12 is connected with two sides of the lower part of the middle end of the vehicle body frame 8.
In another embodiment of the present invention, the two sides of the seat 9 in the width direction are respectively provided with a side portion 3, and the side portions 3 constitute armrests.
In another embodiment of the present invention, the frame of the armrest in the vertical direction is connected to a leg supporting unit, the leg supporting unit includes a pair of bending supporting rods which are disposed along both sides of the width direction of the body frame 8 and extend forward and downward, and a leg supporting member 7 which is disposed on the bending supporting rods is sleeved on the leg supporting member.
In another embodiment of the present invention, the lower ends of the pair of bending support rods are respectively connected to the pedal part 6.
In another embodiment of the present invention, the leg support member 7 is canvas.
In another embodiment of the present invention, as shown in fig. 2, the rocking lever 1 includes:
a swing rod handle 1-6;
the handle sleeve 1-1 of the swinging rod piece is sleeved on the handle 1-6 of the swinging rod piece, and the handle sleeve 1-1 of the swinging rod piece is sleeved on the handle 1-6 of the swinging rod piece;
an upper swing rod piece 1-3, wherein one end of the upper swing rod piece 1-3 is connected with the swing rod piece handle 1-6;
one end of the lower swing rod piece 1-4 is connected with the other end of the upper swing rod piece 1-3, and the other end of the lower swing rod piece 1-4 is connected with the brake 4 through a bolt;
the brake handle 1-2, the brake handle 1-2 is connected with the rocking bar handle 1-6;
a brake 4, the brake 4 is arranged at the lower end of the swinging rod piece 1;
and the brake cable 1-5 is connected with the brake 4 and the swinging rod handle 1-6 simultaneously.
In another embodiment of the present invention, as shown in fig. 3, the rocking lever ratchet mechanism 2 includes:
an inner ratchet wheel 2-3, the rotation central axis of the inner ratchet wheel 2-3 is concentrically connected with the rotation central axis of the large wheel 13
Ensuring that the inner ratchet 2-3 and the large wheel 13 rotate synchronously;
one end of the pawl 2-1 is connected with the inner ratchet 2-3, and the other end of the pawl 2-1 is connected with the swing rod handle 1-6 through a bolt;
and the spring 2-2 is sleeved on the periphery of the pawl 2-1, and the spring 2-2 is sleeved on the periphery of the pawl 2-1.
In another embodiment of the present invention, as shown in fig. 4, the brake 4 includes:
4-1 of a brake spring;
4-2 parts of brake lining;
a fixing member 4-3, one end of the fixing member 4-3 being connected to the lower rocking bar 1-4, and the other end being connected to one end of a brake spring 4-1;
the other end of the clamping jaw 4-4 and the other end of the brake spring 4-1 are connected with the clamping jaw 4-4, and the clamping jaw 4-4 is simultaneously connected with the brake cable 1-5 and the brake shoe 4-2.
In another embodiment of the present invention, as shown in fig. 5, the front wheel 5 includes:
5-1 parts of vacuum tire;
a hub 5-2, the hub 5-2 being connected to the vacuum tire 5-1;
a hub shaft 5-3, the hub shaft 5-3 being connected to the hub 5-2 through a rolling bearing;
the rotating shaft 5-4 is connected with the bracket 5-5 through a bolt;
and the bracket 5-5, wherein the bracket 5-5 is connected with the hub shaft 5-3 through a groove arranged on the bracket 5-5.
As shown in fig. 6, when the wheelchair of the present invention is in a position of a certain state during movement, with reference to fig. 2 and 3, an operator sits on the wheelchair, and then the palm of both hands are forward and respectively in contact with the swing rod handle sleeves 1-1 arranged symmetrically, and then the both hands push forward and backward, so that the forward and backward swing of the pawl 2-1 can be realized, and further the inner ratchet 2-3 and the bull wheel 13 are driven to rotate synchronously, and then the wheelchair moves forward; when the wheelchair backs, the rocking bar piece 1 is grasped firstly, the wheelchair is lifted upwards for a certain height, the pawl 2-1 also leaves the rectangular tooth groove upwards, and then the wheelchair is put down after being rotated for 180 degrees, so that the pawl 2-1 clamps the rectangular teeth of the ratchet 2-3, the rocking bar piece 1 is pushed, and the ratchet 2-3 and the large rotating wheel 13 synchronously rotate backwards; the left hand pushes the swinging rod piece 1, the right hand does not push the swinging rod piece, and the wheelchair turns to the right; the right hand pushes the swinging rod piece 1, the left hand does not push, and the wheelchair turns left.
The utility model can realize the operation of the wheelchair by manually operating the swinging rod piece 1, and realizes the function of one-man self-help wheelchair operation without the need of a specially-assigned person to carry out accompanying work; the wheelchair is manually operated to run, so that the function of gradually improving the physical function through upper limb strength exercise is realized; the unidirectional operation function of the mechanism is formed by the cooperation of the swing rod piece 1 and the ratchet wheels 2-3, so that the wheelchair is ensured not to slide down on a slope under the condition that the wheelchair is pushed to climb without assistance of people; the forward and backward rotation of the wheelchair is realized by utilizing the forward and backward driving rotation function of a mechanism formed by the pawl 2-1 and the ratchet 2-3, and the leftward and rightward steering function of the wheelchair is realized by utilizing different frequencies when the left hand and the right hand drive the swinging rod piece 1; the novel outdoor sports table is simple in structure, environment-friendly, convenient to operate, labor-saving, high in safety performance, beneficial to single self-help traveling, and convenient for users to do appropriate sports outdoors and keep physical and psychological health.
Although the embodiments of the present invention have been described in detail in the above examples, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the scope of knowledge possessed by those skilled in the art.
Claims (8)
1. Hand self-service wheelchair with climbing safety complementary unit, its characterized in that includes:
a vehicle body frame (8), the vehicle body frame (8) having a seat (9), a back (10), and a main support frame (12);
a pair of large wheels (13), wherein the large wheels (13) are mounted on both sides of the rear end of the vehicle body frame (8) in the width direction;
a pair of front wheels (5), wherein the front wheels (5) are movable caster wheels and are arranged at the lower part of the front end part of the vehicle body frame (8);
a rocking lever (1); the swinging rod piece (1) is arranged on the large wheel (13);
the swing rod ratchet mechanism (2), the swing rod ratchet mechanism (2) is connected with the swing rod piece (1), and the swing rod ratchet mechanism (2) and the swing rod piece (1) can realize the unidirectional operation of a large wheel (13);
the main supporting frame (12), the main supporting frame (12) is installed below the seat part (9), one end of the main supporting frame is connected with the seat part (9), and the other end of the main supporting frame is connected with two sides of the lower part of the middle end of the vehicle body frame (8);
the rocking lever (1) comprises:
a swing lever handle (1-6);
the rocking rod piece handle sleeve (1-1), the rocking rod piece handle sleeve (1-1) is sleeved on the rocking rod piece handle (1-6);
an upper swing rod piece (1-3), one end of the upper swing rod piece (1-3) is connected with the swing rod piece handle (1-6);
one end of the lower swing rod piece (1-4) is connected with the other end of the upper swing rod piece (1-3), and the other end of the lower swing rod piece (1-4) is connected with the brake (4);
the brake handle (1-2), the brake handle (1-2) is connected with the swing rod handle (1-6);
a brake (4), wherein the brake (4) is arranged at the lower end of the swinging rod piece (1);
the brake cable (1-5), the brake cable (1-5) is connected with the brake (4) and the swinging rod handle (1-6) at the same time;
the rocking lever ratchet mechanism (2) comprises:
the rotating central shaft of the inner ratchet wheel (2-3) is concentrically connected with the rotating central shaft of the large wheel (13) to ensure that the inner ratchet wheel (2-3) and the large wheel (13) rotate synchronously;
one end of the pawl (2-1) is connected with the inner ratchet wheel (2-3), and the other end of the pawl (2-1) is connected with the swing rod handle (1-6);
the spring (2-2), this spring (2-2) cover is established the periphery of pawl (2-1).
2. The hand-operated self-service wheelchair with a climbing safety assistance mechanism according to claim 1, wherein the seat (9) is provided with side portions (3) at both sides in the width direction, respectively, and the side portions (3) constitute armrests.
3. The hand-operated self-service wheelchair with a climbing safety assisting mechanism according to claim 2, wherein a leg supporting unit is connected to the frame in the vertical direction of the armrest, and the leg supporting unit comprises a pair of curved supporting rods arranged along both sides in the width direction of the vehicle body frame (8) and extending forward and downward, and a leg supporting member (7) fitted over the curved supporting rods.
4. The hand-operated self-service wheelchair with a climbing safety assistance mechanism according to claim 2, wherein the lower ends of the pair of curved support rods are respectively connected with a pedal part (6).
5. Hand propelled self-service wheelchair with climbing safety assistance according to claim 3, characterised in that the leg support part (7) is canvas.
6. Hand-cranked self-service wheelchair with climbing safety assistance mechanism according to claim 1, characterised in that the brake (4) comprises:
a brake spring (4-1);
brake linings (4-2);
a fixing piece (4-3), one end of the fixing piece (4-3) is connected with the lower swing rod piece (1-4), and the other end of the fixing piece (4-3) is connected with one end of a brake spring (4-1);
the other end of the brake spring (4-1) is connected with the clamping jaw (4-4), and the clamping jaw (4-4) is simultaneously connected with the brake cable (1-5) and the brake shoe (4-2).
7. Hand-cranked self-service wheelchair with climbing safety assistance mechanism according to claim 1, characterised in that the front wheels (5) comprise:
a vacuum tire (5-1);
a hub (5-2), the hub (5-2) being connected to the vacuum tire (5-1);
a hub shaft (5-3), the hub shaft (5-3) being connected to the hub (5-2) by a rolling bearing;
the rotating shaft (5-4), the rotating shaft (5-4) is connected with the bracket (5-5);
and the bracket (5-5), the bracket (5-5) is connected with the hub shaft (5-3) through a groove arranged on the bracket (5-5).
8. The hand-cranked self-service wheelchair with a climbing safety assistance mechanism according to claim 1, further comprising: a push handle (11), the push handle (11) being connected to the back part (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920733948.6U CN210408811U (en) | 2019-05-21 | 2019-05-21 | Hand-operated self-service wheelchair with climbing safety auxiliary mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920733948.6U CN210408811U (en) | 2019-05-21 | 2019-05-21 | Hand-operated self-service wheelchair with climbing safety auxiliary mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210408811U true CN210408811U (en) | 2020-04-28 |
Family
ID=70372335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920733948.6U Expired - Fee Related CN210408811U (en) | 2019-05-21 | 2019-05-21 | Hand-operated self-service wheelchair with climbing safety auxiliary mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210408811U (en) |
-
2019
- 2019-05-21 CN CN201920733948.6U patent/CN210408811U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200428 |
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| CF01 | Termination of patent right due to non-payment of annual fee |