CN211213946U - Wheelchair with pedal brake - Google Patents
Wheelchair with pedal brake Download PDFInfo
- Publication number
- CN211213946U CN211213946U CN201922119780.2U CN201922119780U CN211213946U CN 211213946 U CN211213946 U CN 211213946U CN 201922119780 U CN201922119780 U CN 201922119780U CN 211213946 U CN211213946 U CN 211213946U
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- Prior art keywords
- brake
- support frame
- rear wheel
- wheel support
- plate
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- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 239000012634 fragment Substances 0.000 claims description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000003825 pressing Methods 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 description 3
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model discloses a wheelchair with pedal brake, which comprises a backrest frame, a handrail and a rear wheel supporting frame positioning sleeve, the utility model discloses a brake mechanism is arranged at the top of the rear wheel, a first transmission plate is driven to rotate downwards by pressing a brake rod, a brake connecting plate is pressed downwards to drive a brake block to rotate, a locking screw is tightly attached to the rear wheel to prevent the rear wheel from rotating to brake, thereby achieving good brake effect, an auxiliary positioning device is arranged at the right end of a connecting plate to apply downward pressure to the pressing plate to drive a slide rod to slide downwards, the spring plate blocks a clamping hole to fix the position of the slide rod, so that the slide plate is attached to the ground, thereby increasing the friction force, further fixing the position of the wheelchair to prevent sliding, a spring is arranged on the outer surface of the top of the slide rod, the spring plate slides out from the clamping hole by applying pressure to the spring plate, the spring provides elasticity to drive the slide rod to slide upwards to recover, the effect of conveniently separating the pressing plate from the ground is achieved.
Description
Technical Field
The utility model relates to a wheelchair car correlation field specifically is a wheelchair car of pedal brake.
Background
The wheelchair is a chair provided with wheels and capable of helping to replace walking, is divided into electric and manual folding wheelchairs and is used as an important moving tool for home rehabilitation, turnover transportation, diagnosis and outgoing activities of wounded persons, patients and disabled persons.
The existing manual folding wheelchair is not provided with a braking mechanism on the wheel generally, so that certain danger exists, and the tire is easy to wear in the long-term use process, so that the friction force is reduced, the braking effect is poor, and the wheelchair is still easy to move.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to solve the above-mentioned deficiencies, the present invention provides a wheelchair with a brake pedal.
The utility model is realized in such a way, a pedal-braked wheelchair is constructed, the device comprises a backrest frame, a handrail, a rear wheel support frame positioning sleeve, a bolt hole reinforcing sleeve, a rear wheel support frame, a rear wheel, a folding plate mounting pipe, a front wheel support frame, a front wheel, a cushion support frame, an upper linkage rod, a first rotating sleeve, a connecting plate, a brake mechanism and an auxiliary positioning device, the right end of the backrest frame is fixedly connected with the handrail through bolts, the front end and the rear end of the bottom of the backrest frame are respectively welded with the rear wheel support frame positioning sleeve and the bolt hole reinforcing sleeve, the top of the rear wheel support frame is fixedly connected with the rear wheel support frame positioning sleeve, the outer surface of the rear wheel support frame is in clearance fit with the bolt hole reinforcing sleeve, the rear wheel is in rotation fit with the bottom of the rear wheel support frame, the brake mechanism is arranged at the right end of the rear wheel, brake mechanism changes the cover by first drive plate, brake lever, brake link board, brake block, locking screw, turning block, interlock pole and second down and forms, the welding of first drive plate right-hand member middle part has the brake lever to first drive plate top and rear wheel support frame normal running fit, the even board top of brake rotates along first drive plate to the even board bottom of brake and brake block normal running fit, the welding of brake block bottom has locking screw, the turning block bottom is passed through the bolt and is connected with the brake block rotation, the turning block top is provided with down the interlock pole to interlock pole top and second are changeed the cover normal running fit down, the second is changeed the laminating in front wheel support frame surface in the cover bottom.
Preferably, both ends and back frame fixed connection around the folded sheet installation pipe, front wheel support frame right-hand member rotates with the back frame to be connected to front wheel support frame left end bottom and front wheel normal running fit, cushion support frame right-hand member and back frame fixed fit to cushion support frame bottom is provided with the last trace of two symmetric distributions, go up trace bottom and first commentaries on classics cover normal running fit to first commentaries on classics cover bottom laminating in the front wheel support frame, connecting plate left side and rear wheel support frame welded fastening.
Preferably, auxiliary positioning device comprises fixed cover, card hole, litter, shell fragment, antiskid ribbed tile, clamp plate and spring, the card hole has been seted up to fixed cover right-hand member to fixed cover left end and connecting plate welded fastening, litter surface and fixed cover sliding connection, the litter right-hand member is provided with the shell fragment, antiskid ribbed tile top and litter vertical welded fastening to the welding of litter top has the clamp plate, spring one end is laminated in the clamp plate top, and the other end is laminated in fixed cover top.
Preferably, the right end of the elastic sheet is provided with a convex block, and the convex block is hemispherical.
Preferably, the pore size of the card hole is as follows: 0.5cm, and the aperture of the clamping hole is 0.1cm larger than that of the bump.
Preferably, the bottom of the antiskid plate is provided with an antiskid pad, and the bottom of the antiskid pad is provided with small raised particles for compensation.
Preferably, the second rotating sleeve is cylindrical, and the angle of the second rotating sleeve rotating along the lower linkage rod is as follows: 0-360 degrees.
Preferably, the fixing sleeve is tubular in shape, and the inner wall of the fixing sleeve is smooth and burr-free.
The utility model has the advantages of as follows: the utility model discloses an improve and provide a wheelchair car of pedal brake here, compare with equipment of the same type, have following improvement:
the method has the advantages that: a wheelchair car of pedal brake through having set up brake mechanism at the rear wheel top, through pushing down the brake lever, drives first transmission board and rotates downwards, makes the brake even board push down and drives the brake block and rotate, pastes tight rear wheel with the locking screw, prevents that the rear wheel from rotating, brakes, reaches good braking effect.
The method has the advantages that: a wheelchair car of pedal brake through having set up auxiliary positioning device at the connecting plate right-hand member, through applying decurrent pressure to the clamp plate, drives the litter and slides downwards, blocks the card hole through the shell fragment and fixes the litter position, makes antiskid ribbed tile laminating ground, reaches and increases frictional force, and further position to wheelchair car is fixed, prevents to slide.
The method has the advantages that: a wheelchair car of pedal brake through having set up the spring at litter top surface, through exerting pressure to the shell fragment, makes the shell fragment by roll-off in the card hole, provides elasticity through the spring and drives litter rebound, and it recovers to provide elasticity and drive the effect that clamp plate and ground separated to reach the convenience.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a rear view structure diagram of the present invention;
FIG. 3 is a schematic structural view of the brake mechanism of the present invention;
FIG. 4 is a schematic view of the cross-sectional structure of the brake mechanism of the present invention;
FIG. 5 is a schematic structural view of the auxiliary positioning device of the present invention;
fig. 6 is a schematic view of the split structure of the auxiliary positioning device of the present invention.
Wherein: backrest frame-1, armrest-2, rear wheel support frame positioning sleeve-3, bolt hole reinforcing sleeve-4, rear wheel support frame-5, rear wheel-6, folding plate mounting tube-7, front wheel support frame-8, front wheel-9, cushion support frame-10, upper coupling rod-11, first rotating sleeve-12, connecting plate-13, brake mechanism-14 and auxiliary positioning device-15, the brake comprises a first transmission plate-141, a brake rod-142, a brake connecting plate-143, a brake block-144, a locking screw-145, a rotating block-146, a lower connecting rod-147, a second rotating sleeve-148, a fixed sleeve-151, a clamping hole-152, a sliding rod-153, an elastic sheet-154, an anti-slip plate-155, a pressing plate-156 and a spring-157.
Detailed Description
The present invention will be described in detail with reference to the accompanying fig. 1-6, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a wheelchair with a pedal brake, which comprises a backrest frame 1, a handrail 2, a rear wheel support frame positioning sleeve 3, a bolt hole reinforcing sleeve 4, a rear wheel support frame 5, a rear wheel 6, a folding plate mounting pipe 7, a front wheel support frame 8, a front wheel 9, a cushion support frame 10, an upper linkage rod 11, a first rotary sleeve 12, a connecting plate 13, a brake mechanism 14 and an auxiliary positioning device 15, wherein the right end of the backrest frame 1 is fixedly connected with the handrail 2 through bolts, the front end and the rear end of the bottom of the backrest frame 1 are respectively welded with the rear wheel support frame positioning sleeve 3 and the bolt hole reinforcing sleeve 4, the top of the rear wheel support frame 5 is fixedly connected with the rear wheel support frame positioning sleeve 3, the outer surface of the rear wheel support frame 5 is in clearance fit with the bolt hole reinforcing sleeve 4, the rear wheel 6 is rotationally matched with the bottom of the rear wheel support frame 5, the brake mechanism 14 is arranged at the right end of the rear wheel, the brake mechanism 14 comprises a first transmission plate 141, a brake rod 142, a brake connecting plate 143, a brake block 144, a locking screw 145, a rotating block 146, a lower linkage rod 147 and a second rotating sleeve 148, the brake rod 142 is welded in the middle of the right end of the first transmission plate 141, the first transmission plate 141 is conveniently driven to rotate, the top of the first transmission plate 141 is in rotating fit with the rear wheel support frame 5, the top of the brake connecting plate 143 rotates along the first transmission plate 141, the bottom of the brake connecting plate 143 is in rotating fit with the brake block 144, the locking screw 145 is welded at the bottom of the brake block 144, the locking screw 145 is conveniently attached to the rear wheel 6 for braking, the bottom of the rotating block 146 is rotatably connected with the brake block 144 through a bolt, the top of the rotating block 146 is provided with the lower linkage rod 147, the top of the lower linkage rod 147 is in rotating fit with the second rotating sleeve 148, and the bottom of the second rotating sleeve.
Further, both ends and back frame 1 fixed connection around folded sheet installation pipe 7, 8 right-hand members of front wheel support frame rotate with back frame 1 and are connected to 8 left end bottoms of front wheel support frame and front wheel 9 normal running fit, cushion support frame 10 right-hand member and back frame 1 fixed fit to cushion support frame 10 bottom is provided with two symmetric distribution's last trace 11, go up trace 11 bottom and first 12 normal running fits of rotating sleeve to first 12 bottoms of rotating sleeve are laminated in front wheel support frame 8, connecting plate 13 left side and rear wheel support frame 5 welded fastening.
Further, auxiliary positioning device 15 comprises fixed cover 151, card hole 152, litter 153, shell fragment 154, antiskid ribbed tile 155, clamp plate 156 and spring 157, fixed cover 151 right-hand member has been seted up card hole 152 to fixed cover 151 left end and connecting plate 13 welded fastening, litter 153 surface and fixed cover 151 sliding connection, litter 153 right-hand member is provided with shell fragment 154, antiskid ribbed tile 155 top and litter 153 vertical welded fastening to litter 153 top welding has clamp plate 156, spring 157 one end is laminated in clamp plate 156 top, and the other end is laminated in fixed cover 151 top.
Further, the right end of the elastic piece 154 is provided with a convex block, and the convex block is shaped like a hemisphere, so that the clamping hole 152 can be conveniently clamped by the convex block.
Further, the aperture size of the card hole 152 is: 0.5cm and the aperture of the locking hole 152 is larger than the bump by 0.1cm, which facilitates the bump to slide into the locking hole 152.
Furthermore, the bottom of the antiskid plate 155 is provided with an antiskid pad, and the bottom of the antiskid pad is provided with small particles for making up, so that friction force can be increased for convenient fixation.
Further, the second rotating sleeve 148 is cylindrical, and the angle of rotation of the second rotating sleeve 148 along the lower linkage 147 is: 0-360 degrees, facilitating the second rotating sleeve 148 to slide along the front wheel support frame 8.
Further, the fixing sleeve 151 is tubular, and the inner wall of the fixing sleeve 151 is smooth and burr-free, so that the sliding rod 153 can slide along the fixing sleeve 151 conveniently.
The utility model discloses an improvement provides a wheelchair car of pedal brake, its theory of operation as follows:
firstly, the device is moved to a proper position, then an external folding plate is placed at the top of the cushion supporting frame 10, and the external folding plate and the folding plate mounting tube 7 are mounted and fixed;
secondly, a patient sits on an external folding plate, applies pressure to the cushion support frame 10, enables the cushion support frame 10 to rotate along the backrest frame 1, presses the front wheel support frame 8 downwards through the first rotating sleeve 12, enables the front wheel support frame 8 to be unfolded, and simultaneously limits the rotating angle of the front wheel support frame 8 through the second rotating sleeve 148;
thirdly, by applying thrust to the backrest frame 1, the patient is pushed to slide by the rotation of the rear wheels 6 and the front wheels 9 arranged at the bottoms of the rear wheel support frame 5 and the front wheel support frame 8;
fourthly, when the vehicle needs to be stopped, the brake rod 142 can be pressed downwards to drive the first transmission plate 141 to rotate downwards, the brake connecting plate 143 is pressed downwards to drive the brake block 144 to rotate, the locking screw 145 is attached to the rear wheel 6 to prevent the rear wheel 6 from rotating, braking is carried out, when the brake rod 142 is loosened, the front wheel support frame 8 rotates to drive the second rotating sleeve 148 to rotate, the lower linkage rod 147 is pulled to drive the rotating block 146 to move upwards to drive the brake rod 142 to recover;
fifthly, the slide rod 153 is driven to slide downwards by applying downward pressure to the pressure plate 156, the position of the slide rod 153 is fixed by clamping the clamping hole 152 through the elastic sheet 154, the anti-slip plate 155 is attached to the ground, friction is increased, the position of the wheelchair is further fixed, when the wheelchair needs to move, pressure can be applied to the elastic sheet 154, the elastic sheet 154 slides out of the clamping hole 152, elasticity is provided through the spring 157 to drive the slide rod 153 to slide upwards, the anti-slip plate 155 is separated from the ground, and then the backrest frame 1 is pushed to slide.
The utility model provides a pedal brake's wheelchair through the improvement provides a brake mechanism 14, through having set up brake mechanism 14 at rear wheel 6 top, through pushing down brake lever 142, drive first drive plate 141 and rotate downwards, make brake even board 143 push down and drive brake block 144 and rotate, paste locking screw 145 tightly rear wheel 6, prevent rear wheel 6 and rotate, brake, reach good brake effect, through having set up auxiliary positioning device 15 at the connecting plate 13 right-hand member, through exerting decurrent pressure to clamp plate 156, drive litter 153 and slide downwards, block card hole 152 through shell fragment 154 and fix litter 153 position, make antiskid plate 155 laminate ground, reach and increase the frictional force, further fix the position of wheelchair, prevent sliding, through having set up spring 157 at the top surface of litter 153, through exerting pressure to shell fragment 154, make shell fragment 154 by the roll-off in the card hole 152, the spring 157 provides elasticity to drive the slide rod 153 to slide upwards for restoration, so as to achieve the effect of conveniently separating the pressure plate 156 from the ground.
The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A pedal braking wheelchair comprises a backrest frame (1), handrails (2), a rear wheel support frame positioning sleeve (3), a bolt hole reinforcing sleeve (4), a rear wheel support frame (5), rear wheels (6), a folding plate mounting pipe (7), a front wheel support frame (8), front wheels (9), a cushion support frame (10), an upper linkage rod (11), a first rotary sleeve (12) and a connecting plate (13), the right end of the backrest frame (1) is fixedly connected with the handrail (2) through a bolt, the front end and the rear end of the bottom of the backrest frame (1) are respectively welded with a rear wheel support frame positioning sleeve (3) and a bolt hole reinforcing sleeve (4), the top of the rear wheel supporting frame (5) is fixedly connected with a positioning sleeve (3) of the rear wheel supporting frame, the outer surface of the rear wheel support frame (5) is in clearance fit with the bolt hole reinforcing sleeve (4), and the rear wheel (6) is in running fit with the bottom of the rear wheel support frame (5);
the method is characterized in that: the brake mechanism (14) is arranged at the right end of the rear wheel support frame (5), the auxiliary positioning device (15) is welded at the right end of the connecting plate (13), the brake mechanism (14) is composed of a first transmission plate (141), a brake rod (142), a brake connecting plate (143), a brake block (144), a locking screw (145), a rotating block (146), a lower linkage rod (147) and a second rotating sleeve (148), the brake rod (142) is welded in the middle of the right end of the first transmission plate (141), the top of the first transmission plate (141) is in rotating fit with the rear wheel support frame (5), the top of the brake connecting plate (143) rotates along the first transmission plate (141), the bottom of the brake connecting plate (143) is in rotating fit with the brake block (144), the locking screw (145) is welded at the bottom of the brake block (144), the bottom of the rotating block (146) is rotatably connected with the brake block (144) through a bolt, a lower linkage rod (147) is arranged at the top of the rotating block (146), the top of the lower linkage rod (147) is rotatably matched with a second rotating sleeve (148), and the bottom of the second rotating sleeve (148) is attached to the outer surface of the front wheel support frame (8).
2. A brake-pedal wheelchair as claimed in claim 1, wherein: both ends and back frame (1) fixed connection around folded sheet installation pipe (7), front wheel support frame (8) right-hand member rotates with back frame (1) to front wheel support frame (8) left end bottom and front wheel (9) normal running fit, cushion support frame (10) right-hand member and back frame (1) fixed fit to cushion support frame (10) bottom is provided with last trace (11) of two symmetric distributions, go up trace (11) bottom and first commentaries on classics cover (12) normal running fit to first commentaries on classics cover (12) bottom laminating in front wheel support frame (8), connecting plate (13) left side and rear wheel support frame (5) welded fastening.
3. A brake-pedal wheelchair as claimed in claim 1, wherein: auxiliary positioning device (15) comprises fixed cover (151), card hole (152), litter (153), shell fragment (154), antiskid ribbed tile (155), clamp plate (156) and spring (157), card hole (152) has been seted up to fixed cover (151) right-hand member to fixed cover (151) left end and connecting plate (13) welded fastening, litter (153) surface and fixed cover (151) sliding connection, litter (153) right-hand member is provided with shell fragment (154), antiskid ribbed tile (155) top and litter (153) vertical welded fastening to the welding of litter (153) top has clamp plate (156), spring (157) one end is laminated in clamp plate (156) top, and the other end is laminated in fixed cover (151) top.
4. A brake-pedal wheelchair as claimed in claim 3, wherein: the right end of the elastic sheet (154) is provided with a convex block, and the convex block is hemispherical.
5. A brake-pedal wheelchair as claimed in claim 3, wherein: the size of the hole diameter of the clamping hole (152) is as follows: 0.5cm, and the aperture of the clamping hole (152) is 0.1cm larger than that of the bump.
6. A brake-pedal wheelchair as claimed in claim 3, wherein: the bottom of the antiskid plate (155) is provided with an antiskid pad, and the bottom of the antiskid pad is provided with small raised particles for compensation.
7. A brake-pedal wheelchair as claimed in claim 1, wherein: the second rotating sleeve (148) is cylindrical, and the angle of the second rotating sleeve (148) rotating along the lower linkage rod (147) is as follows: 0-360 degrees.
8. A brake-pedal wheelchair as claimed in claim 3, wherein: the fixing sleeve (151) is tubular, and the inner wall of the fixing sleeve (151) is smooth and burr-free.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922119780.2U CN211213946U (en) | 2019-11-24 | 2019-11-24 | Wheelchair with pedal brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922119780.2U CN211213946U (en) | 2019-11-24 | 2019-11-24 | Wheelchair with pedal brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211213946U true CN211213946U (en) | 2020-08-11 |
Family
ID=71916001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922119780.2U Expired - Fee Related CN211213946U (en) | 2019-11-24 | 2019-11-24 | Wheelchair with pedal brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211213946U (en) |
-
2019
- 2019-11-24 CN CN201922119780.2U patent/CN211213946U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200811 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |