CN111888205A - Single hand braking walking-aid vehicle - Google Patents
Single hand braking walking-aid vehicle Download PDFInfo
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- CN111888205A CN111888205A CN202010822284.8A CN202010822284A CN111888205A CN 111888205 A CN111888205 A CN 111888205A CN 202010822284 A CN202010822284 A CN 202010822284A CN 111888205 A CN111888205 A CN 111888205A
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- 239000002184 metal Substances 0.000 claims abstract description 31
- 230000008093 supporting effect Effects 0.000 claims abstract description 19
- 239000004744 fabric Substances 0.000 claims abstract description 6
- 238000005058 metal casting Methods 0.000 claims description 22
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims description 13
- 244000046052 Phaseolus vulgaris Species 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 206010019468 Hemiplegia Diseases 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 210000001015 abdomen Anatomy 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010023230 Joint stiffness Diseases 0.000 description 1
- 206010028289 Muscle atrophy Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007850 degeneration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000020763 muscle atrophy Effects 0.000 description 1
- 230000004220 muscle function Effects 0.000 description 1
- 201000000585 muscular atrophy Diseases 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/04—Wheeled walking aids for patients or disabled persons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H3/00—Appliances for aiding patients or disabled persons to walk about
- A61H3/04—Wheeled walking aids for patients or disabled persons
- A61H2003/046—Wheeled walking aids for patients or disabled persons with braking means
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention provides a one-hand braking rollator which is characterized in that: the frame adopts straight tube and metal plug connector combination, both sides frame is connected fixedly through the cross support of supporting link A (6) and supporting link B (7), reduce folding seat front and back width, increase walking space, the people stands in the car center, hemiplegia patient because the limb is weak, can support the elbow arm with the help of elbow arm support frame A (2) of driving installation, support fixed cloth (303) of arm support frame B (3), the weight disperses on helping the capable car, user's arm is weak, can rely on fixed band (4) of pushing away the shelf mounting of driving to move ahead in the epigastrium, the brake is the brake tile (513) friction brake of wheel outside, the braking system parallel arrangement has been designed, can arbitrary one hand control both sides rear wheel brake simultaneously, ensure to help the capable car not off tracking safety of going.
Description
Technical Field
The invention relates to the technical field of a rollator, in particular to a single-hand braking rollator.
Background
In the rehabilitation method for the patients with hemiplegia in life, the patients do exercises as much as possible, the exercise amount is gradually increased, the stiffness of muscles and joints of the patients is relieved, and the patients with hemiplegia lose or weaken the self-balancing ability due to diseases, so that the risk of falling of the patients is increased.
When a patient is at home, the rehabilitation training device is lacked, so that the muscle atrophy, the muscle function loss, the joint degeneration change and the joint stiffness of the patient are caused, when the simple walking aid is used, indirect load carrying is needed, the wheel type walking aid vehicle is only braked by one side and one hand and is braked by a deviation, the physical and psychological burdens of the patient are increased, the exercise amount of the rehabilitation training time is reduced, the exercise amount is lacked, and irreversible diseases are caused.
At present, no barrier appliance for rehabilitation training of exercise and standing is lacked in the market.
Disclosure of Invention
The invention aims to solve the technical defects and provide a one-hand braking rollator, wherein the frame is additionally provided with a support arm frame A (2) and a support arm frame B (3) of elbow arms at two sides, the weight of a patient is dispersed on the rollator, the affected limb of the hemiplegia patient is weak, the rollator can move forwards by pushing a connecting belt (4) by using the upper abdomen part, and a stability and reliability appliance is obtained.
In order to achieve the purpose, the invention designs a one-hand braking rollator which is characterized in that: the single-hand braking rollator is supported by a frame A (1) and a frame B (5) on two sides and a support connecting frame A (6) and a support connecting frame B (7) on the frames on the two sides in a crossing way, and is arranged on the frame through a support connecting frame B fixing pipe (11) and a support connecting frame A fixing pipe (12), and the wheelchair structure can be used for folding a vehicle body; an adjusting vertical pipe (10) and a positioning fixing piece (101) are installed and assembled with a supporting connecting frame B (7), the adjusting vertical pipe (10) is provided with the slidable positioning fixing piece (101), an adjusting vertical pipe positioning hole (106) slides to the adjusting vertical pipe (10), and the width of a locking frame is adjusted by inserting a positioning nail (105) on the positioning fixing piece (101) into the adjusting vertical pipe positioning hole (106); the connecting belt (4) is arranged in the middle of the upper transverse pipe of the frame A (1) and the frame B (5) and can limit the width of the frame, and the bracket A (2) and the bracket B (3) of the elbow arms at two sides are additionally arranged on the frame.
The brake operating line A (8) and the brake operating line B (13) of the brake handles (301) on the two sides are connected to the parallel brake device; the brake cable A (9) and the brake cable B (14) are connected to the brake lever (515) from the parallel brake; stopping the brake shoe (513); frame A (1) is the same with frame B (5) structure completely, and the frame adopts straight tube and metal grafting combination, and the frame part has: the front wheel fixing part (501), the middle transverse pipe fixing part (502), the front vertical pipe (503), the upper pipe fixing part (504), the upper transverse pipe (505), the support arm pipe fixing part (506), the rear vertical pipe (508), the middle vertical pipe (521), the middle transverse pipe (520), the lower transverse pipe (522) and the rear wheel fixing part (514).
The parts of the supporting arm frame B (3) comprise: the brake comprises a brake handle (301), a front support frame fixing piece (302), support arm fixing cloth (303), a support arm pipe (304), a support arm connecting fixing piece (305), a rear support frame fixing piece (306), a central pipe fixing piece (307) and a support vertical pipe (308).
The front wheel fixing piece (501) is provided with two stepped cylinders which are arranged at an acute angle at one side of a short round pipe (5013) and are an inclined upper stepped cylinder (5011) and a horizontal stepped lower cylinder (5012).
The support arm frame fixing piece (506) is a metal piece, a horizontal ladder-level cylinder (5061) is connected with two parallel small vertical round tubes (5062) in the middle of an elliptic cylinder, half sides of the lower surface of each small vertical round tube (5062) are cut off, and a middle hole is a screw fixing hole (5064); one side of the small vertical round tube (5062) is connected with an elliptic cylinder to be bent, and the end of the small vertical round tube is an inclined ladder-level cylinder (5063).
The brake shoe (513) is a metal piece: the brake arc tile (5131) of the semi-arc piece is provided with two brake step cylinders which are connected in parallel, and the center of each cylinder is provided with a brake guide post (5132) with a threaded hole.
The rear wheel fixing piece (514) is a metal casting, two metal plates with round holes are arranged on the rear side cylinder of the front step cylinder (5145), and the holes are brake pressure lever fixing holes (5144); the two short round tubes in parallel in the middle are a brake shoe shaft hole A (5142) and a brake shoe shaft hole A (5147); corrugated rib conical columns (5148) are bent at two sides of the brake shoe shaft hole A (5142) and the brake shoe shaft hole A (5147), and plate-shaped reinforcing ribs (5146) are arranged at the inner sides; the corrugated rib conical column (5148) is connected with a metal plate, a via hole is a rear wheel fixing hole (5143), the rear ends of the two parallel short circular tube brake shoe shaft holes (5142) are bent upwards, and then the rear ends are connected with a vertical tube rear fixing shaft (5141) of the step column.
The front cantilever support fixing piece (302) is a metal casting, an oval fixing piece connecting plate (3021) is bent towards the rear upper parts of two sides in the middle, a round supporting column (3026) is connected behind the oval plate, a round pipe connected to the middle of the oval fixing piece connecting plate (3021) is a brake handle mounting pipe (3022), and a brake handle fixing shaft hole (3027); the brake handle fixing shaft hole (3027) is communicated with the lock pin hole (3024) of the short round tube; two stepped cylindrical fixing cylinders (3023) are arranged below the middle part of the oval fixing piece connecting plate (3021), when the brake lever is used, the brake fixing shaft (3012) on the cylindrical brake lever (3011) is inserted into the brake lever fixing shaft hole (3027), the ring groove on the brake fixing shaft (3012) is aligned to the lock pin hole (3024), and the pin is fixed; a long cylindrical metal block is connected to the step cylinder on one side, a counter bore is formed in the long cylindrical metal block, and a brake line pipe fixing hole (3025) is formed from a side opening groove to the center of the counter bore.
The positioning fixing piece (101) is a metal casting, one side of the circular tube adjusting vertical tube through hole (1011) is provided with a convex rectangular fillet ring, and a positioning button fixing hole (1014) is formed in the circular tube adjusting vertical tube through hole and used for installing a positioning button (103); one side of the through hole (1011) of the round pipe adjusting vertical pipe is provided with a positioning nail hole (1013) for installing a positioning nail (105); the central cylinder is a spring fixing shaft (1015) and is used for placing a spring (102); the hole on the circular tube adjusting vertical tube through hole (1011) protruding sheet is a support connecting frame B fixing hole (1012) for installing and supporting a connecting frame B positioning hole (104).
The combined brake fixing piece (519) is a metal casting: the coupling brake fixing piece (519) is a rectangular block on the side of a circular tube, and one side of the fillet with a via hole fixing screw hole (5193) is opened; a stepped cylindrical riser fixing shaft (5191) is arranged on the side surface; the brake cable fixing hole (5192) and the brake cable fixing B hole (5196) are connected to a main pipe of the combined brake fixing piece (519), the rectangular connecting cylinder is symmetrical in shape, a central circular counter bore is formed, and the side face is grooved to the circle center; the combined brake fixing piece (519) is provided with a brake limit (5195), an arc extension strip at one side of the shape is connected with a bevel, the outer side of the arc extension strip is connected with a triangular boss, and a brake rod fixing shaft (5194) is installed on a circular hole formed in one side of the arc.
The linkage hook fixture (516) is a metal casting: the middle of the rectangular semicircular block is provided with a hole at the side of the circular tube, and the middle seam at one side of the linkage hook fixing piece hole (5163) is provided with an opening; a long oval block extends from one side of the main pipe of the linkage hook fixing piece (516), and a counter bore hand brake cable fixing hole (5161) and a hand brake cable fixing hole B (5164) are connected in parallel above the long oval block; the other side of the main pipe of the linked brake hook fixing piece (516) extends out of an arc long block, and a linked brake hook shaft (5162) is arranged in the round hole.
The linkage brake lever (518) is a metal casting: the middle of the L shape on one side of the circular tube is staggered with the parallel plate; the L-shaped end is a round hole; the long end is a brake hanging shaft (5181); the other side is a fixed through hole (5182); l-shaped through holes are formed in the two sides of the circular tube and are a left bean gate hole (5183) and a right bean gate hole (5184).
The invention has the advantages that: the walking aid vehicle is braked by one hand to support the body, so that the problem that the hemiplegic patient is inconvenient to walk is solved.
The invention has the advantages that: the brake of the rear wheels on both sides is controlled by a single hand.
Drawings
FIGS. 1, 2 and 3 are schematic views of an embodiment of the present invention;
FIGS. 4, 5, 6 and 7 are functional illustrations of the use of the embodiment of the present invention;
FIGS. 8, 9, 10, 11, 12, 13, 14, 15, 16 are views of the frame B (5) and parts thereof according to an embodiment of the present invention;
FIGS. 17, 18, 19 and 20 are views of a cantilever support B (3) and parts thereof according to an embodiment of the present invention;
FIGS. 21, 22 and 23 are explanatory views of an adjusting riser and parts according to an embodiment of the present invention;
fig. 24, 25, 26 and 27 are schematic illustrations of a parallel braking principle according to an embodiment of the present invention;
FIGS. 28, 29, 30 and 31 are views of parallel braking components according to the embodiment of the present invention;
FIG. 32 is an explanatory view of a brake cable guide bracket according to an embodiment of the invention;
fig. 33 and 34 are views of the folding leg links according to the embodiment of the present invention.
[ brief description of the drawings ]
1-frame A, 101-positioning fixing piece, 1011-adjusting riser via hole, 1012-supporting connecting frame B fixing hole, 1013-positioning nail hole, 1014-positioning button fixing hole, 1015-spring fixing shaft, 102-spring, 103-positioning button, 1031-positioning nail mounting opening, 1032-button fixing shaft, 1033-spring shaft, 104-supporting connecting frame B positioning hole, 105-positioning nail, 106-adjusting riser positioning hole;
2-support arm frame A;
3-arm support B, 301-brake lever, 3011-brake lever, 3012-brake fixed shaft, 3013-brake beam fixed hole, 302-front arm support fixed part, 3021-fixed part connecting plate, 3022-brake lever mounting pipe, 3023-fixed cylinder, 3024-lock pin hole, 3025-brake spool fixed hole, 3026-support column, 3027-brake lever fixed shaft hole, 303-support arm fixed cloth, 304-support arm pipe, 305-support arm connecting fixed part, 306-rear arm support fixed part, 307-center tube fixed part, 308-support vertical tube;
4, connecting the belt;
5-frame B, 501-front wheel fixing part, 5011-oblique upper step column, 5012-horizontal step lower column, 5013-short round tube, 502-middle horizontal tube fixing part, 5021-horizontal step middle column, 5022-oblique round tube, 5023-fixed middle through hole, 503-front vertical tube, 504-upper tube fixing part, 505-upper horizontal tube, 506-support arm tube fixing part, 5061-horizontal step column, 5062-small vertical round tube, 5063-oblique step column, 5064-screw fixing hole, 507-fixed pressing sheet, 508-rear vertical tube, 509-brake wheel fixing part, 5091-brake tube fixing hole, 5092-brake wheel fixing part fixing hole, 5093-rear vertical tube jack, 5094-brake reel, 5095-side seam opening, 5096-wheel mounting plate, 510-brake pressing sheet, 5101-pressing sheet fixing hole, 5102-pressing sheet column, 5103-return spring joint, 511-return spring, 512-guide post, 513-brake tile, 5131-brake tile, 5132-brake pad fixing hole, 514-rear wheel fixing piece, 5141-vertical tube rear fixing shaft, 5142-brake shoe shaft hole A, 5143-rear wheel fixing hole, 5144-brake pressure rod fixing hole, 5145-front step column, 5146-reinforcing rib, 5147-brake shoe shaft hole B, 5148-stupefied rib conical column, 515-brake lever, 5151-steel wire fixing hole, 5152-pressing piece, 5153-brake lever fixing hole, 516-linked brake hook fixing piece, 5161-hand brake cable fixing hole, 5162-linked brake hook shaft, 5163-linked brake hook fixing piece hole, 5164-hand brake cable fixing B hole, 517-linked brake hook A, 5171-hook head, 5172-mounting hole, 5173-steel wire through hole, 5174-locking screw hole, 518-linked brake lever, 5181-brake hanging shaft, 5182-fixing through hole, 5183-left brake bean hole, 5184-right brake bean hole, vertical tube-linked brake fixing piece, 5191-brake cable fixing screw hole, 5192-5193-fixing shaft hole, 5193-fixed shaft fixing shaft, 5148-brake lever fixing shaft fixing hole, 5193-fixed shaft, and 5148-brake lever fixing shaft, 5195-brake limiting, 5196-hole B for fixing a brake cable, 520-middle transverse pipe, 521-middle vertical pipe, 522-lower transverse pipe and 523-linked brake hook B;
6, supporting a connecting frame A;
7-a support connecting frame B, 70-a support reinforcing member, 701-a support frame inserting pipe and 702-a support frame shaft hole;
8-brake operating line a;
9-brake cable A;
10-adjusting the stand pipe;
11-supporting the connecting frame B to fix the tube;
12-support connecting frame A fixed tube
13-brake operating line B;
14-brake cable B.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the present embodiment, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The method and structure of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, when a patient uses a single-hand brake to walk, the patient stands in the middle of the vehicle, two elbow arms are pressed on the arm fixing cloth (303) of the height-adjustable arm support A (2) and the arm support B (3), the weight is dispersed on the vehicle, the upper abdomen of the hemiplegic patient can be used for pushing the connecting belt (4) to enable the vehicle to move forwards due to the weakness of the affected limbs, and the healthy hand can be used for controlling the two rear wheels to brake simultaneously, so that the walking aid is safe and reliable; the walking space in the frame shown in fig. 2 is large, and the user can take exercise mainly and sit for rest.
FIG. 4 shows a single-hand braking rollator with a foldable wheelchair structure, wherein the single-hand braking rollator is supported by a frame A (1) and a frame B (5) at two sides, a support connecting frame A (6) and a support connecting frame B (7) on the frame at two sides in a cross way, and a support connecting frame B fixing pipe (11) and a support connecting frame A fixing pipe (12) are arranged on the frame; an adjusting vertical pipe (10) and a sliding positioning fixing piece (101) are arranged, and the width of a locking frame is adjusted through the assembly of the adjusting vertical pipe and the sliding positioning fixing piece and a supporting connecting frame B (7); the connecting belt (4) is arranged in the middle of the upper transverse pipe of the frame A (1) and the frame B (5) and can limit the width of the frame, and the bracket A (2) and the bracket B (3) of the elbow arms at two sides are additionally arranged on the frame.
Brake operating wires A (8) and B (13) of brake operating handles (301) on two sides are connected to the parallel brake device; the brake cable A (9) and the brake cable B (14) are connected to the brake lever (515) from the parallel brake; the brake shoe (513) is stopped.
Fig. 5, 6, 7 the frame a (1) and the frame B (5) are identical in structure, and the frame is trapezoidal by inserting and combining a straight pipe and metal: the shape is trapezoidal, and frame metal plug connector has: the front wheel fixing part (501), the middle transverse pipe fixing part (502), the front vertical pipe (503), the upper pipe fixing part (504), the upper transverse pipe (505), the support arm pipe fixing part (506), the rear vertical pipe (508), the middle vertical pipe (521), the middle transverse pipe (520), the lower transverse pipe (522) and the rear wheel fixing part (514).
Fig. 8 shows a front wheel holder (501) in which two stepped cylinders are arranged at an acute angle on one side of a short circular tube (5013), namely, an obliquely upper stepped cylinder (5011) and a horizontally stepped lower cylinder (5012).
In a metal casting of the horizontal pipe fixing piece (502) in fig. 9, a middle seam opening is formed in one side of an inclined circular pipe (5022), a through hole is formed in the middle of a semicircular block on two sides of the opening and is a fixed middle through hole (5023), and a horizontal stepped cylindrical middle cylinder (5021) is arranged on the other side of the inclined circular pipe (5022).
The upper end of the upper tube fixing piece (504) in fig. 10 is connected with a T-shape and bent to one side, and the three ends are stepped cylinders.
FIG. 11 the fixing part (506) of the arm support is a metal part, the horizontal ladder-shaped cylinder (5061) is connected with two parallel small vertical round tubes (5062) in the middle of the elliptic cylinder, and then is connected with the ladder-shaped cylinder after being bent, the half side of the lower surface of the small vertical round tube (5062) is cut off, and the middle hole is a screw fixing hole (5064); one side of the small vertical round tube (5062) is connected with an elliptic cylinder to be bent, and the end of the small vertical round tube is an inclined ladder-level cylinder (5063).
Fig. 12 brake pad (510) is a metal piece: a through hole pressing sheet fixing hole (5101) is formed in the oblong sheet, a semi-cylindrical pressing sheet cylinder (5102) is formed in the oblong sheet, cylindrical guide post joints (5103) are formed in one side of each of two ends of the oblong sheet, a brake shoe (513) is inserted into a brake shoe shaft hole (5142) of the rear wheel fixing piece (514) during assembly, and a connecting pipe (512) is sleeved between a brake guide post (5132) on the brake shoe (513) and the guide post joints (5103) of the brake pressing sheet (510); the connecting pipe (512) extends out of the connecting pipe (512) of the rear wheel fixing piece (514) and is sleeved with a return spring (511).
The brake shoe (513) of figure 13 is a metal: the brake arc tile (5131) of the semi-arc piece is provided with two brake step cylinders which are connected in parallel, and the center of each cylinder is provided with a brake guide post (5132) with a threaded hole.
Fig. 14 and 15 show that the rear wheel fixing member (514) is a metal casting, and two metal plates with round holes are arranged on the rear side cylinder of the front step cylinder (5145), and the holes are brake pressure lever fixing holes (5144); the two short round tubes in parallel in the middle are a brake shoe shaft hole A (5142) and a brake shoe shaft hole A (5147); corrugated rib conical columns (5148) are bent at two sides of the brake shoe shaft hole A (5142) and the brake shoe shaft hole A (5147), and plate-shaped reinforcing ribs (5146) are arranged at the inner sides; the corrugated rib conical column (5148) is connected with a metal plate, a via hole is a rear wheel fixing hole (5143), the rear ends of the two parallel short circular tube brake shoe shaft holes (5142) are bent upwards, and then the rear ends are connected with a vertical tube rear fixing shaft (5141) of the step column.
Fig. 16 brake lever (515): a circular tube brake bar fixing hole (5153) is connected with a cylindrical bent 90-degree oblong pressing sheet (5152), the T-shaped brake bar is connected with a cylinder, and the upper end of the cylinder is provided with a sunk groove square block center circular hole steel wire fixing hole (5151); description of assembly: a circular tube brake rod fixing hole (5153) of the brake rod (515) is arranged in a brake pressure rod fixing hole (5144) of the rear wheel fixing piece (514); the steel wire fixing hole (5151) is used for fixing the brake steel wire; the pressing sheet (5152) is pressed on the pressing sheet cylinder (5102) of the brake pressing sheet (510).
Fig. 17 parts of the arm support B (3) include: the brake comprises a brake handle (301), a front support frame fixing piece (302), support arm fixing cloth (303), a support arm pipe (304), a support arm connecting fixing piece (305), a rear support frame fixing piece (306), a central pipe fixing piece (307) and a support vertical pipe (308).
The brake handle (301) in fig. 18 is a metal piece, a bent metal plate is connected to the lower surface of a cylindrical brake rod (3011), a ring groove cylindrical brake fixing shaft (3012) is arranged at a bent position, the metal plate is connected with a short circular tube to form a brake bean fixing hole (3013), and an L-shaped opening is formed in one side of the short circular tube.
Fig. 19 and 20, the front arm support fixing piece (302) is a metal casting, the middle of the front arm support fixing piece is bent towards the rear upper parts of two sides, an elliptic fixing piece connecting plate (3021) is connected with a circular supporting column (3026) behind the elliptic plate, a circular pipe connected with the middle part of the elliptic fixing piece connecting plate (3021) is a brake handle mounting pipe (3022), and a brake handle fixing shaft hole (3027); the brake handle fixing shaft hole (3027) is communicated with the lock pin hole (3024) of the short round tube; two stepped cylindrical fixing cylinders (3023) are arranged below the middle part of the oval fixing piece connecting plate (3021), when the brake lever is used, the brake fixing shaft (3012) on the cylindrical brake lever (3011) is inserted into the brake lever fixing shaft hole (3027), the ring groove on the brake fixing shaft (3012) is aligned to the lock pin hole (3024), and the pin is fixed; a long cylindrical metal block is connected to the step cylinder on one side, a counter bore is formed in the long cylindrical metal block, and a brake line pipe fixing hole (3025) is formed from a side opening groove to the center of the counter bore.
FIG. 21 is an adjustment riser and parts illustration: the single-hand braking rollator ensures that a user obtains a stable frame width, so that the elbow support is more comfortable; the height of the cross support of the support connecting frame A (6) and the support connecting frame B (7) is adjusted, so that the width of the frame is adjusted; the realization function is as follows: a slidable positioning fixing piece (101) is arranged on an adjusting vertical pipe (10) of the frame A (1), an adjusting vertical pipe positioning hole (106) is arranged on the adjusting vertical pipe (10) in a sliding mode, and the adjusting vertical pipe positioning hole (106) is inserted into a positioning nail (105) on the positioning fixing piece (101) to adjust and lock the width of the frame; the positioning button (103) and the spring (102) are arranged on the positioning fixing piece (101); the positioning hole (104) of the support connecting frame B is arranged in the fixing hole (1012) of the support connecting frame B of the positioning fixing piece (101) through a screw, so that the width of the frame can be adjusted by adjusting the height of the positioning fixing piece (101); the width of the frame is adjusted, and the user can obtain a fit supporting effect.
FIG. 22 shows a positioning and fixing member (101) made of a metal casting, wherein a raised rectangular fillet ring is arranged on one side of a through hole (1011) of a circular tube adjusting vertical tube, and a positioning button fixing hole (1014) is arranged on the top of the circular tube adjusting vertical tube for installing a positioning button (103); one side of the through hole (1011) of the round pipe adjusting vertical pipe is provided with a positioning nail hole (1013) for installing a positioning nail (105); the central cylinder is a spring fixing shaft (1015) and is used for placing a spring (102); the hole on the circular tube adjusting vertical tube through hole (1011) protruding sheet is a support connecting frame B fixing hole (1012) for installing and supporting a connecting frame B positioning hole (104).
Fig. 23 shows a positioning button (103), a button fixing shaft (1032) is arranged in the middle of a h-shaped metal plate, a spring shaft (1033) is arranged on a single-layer plate, and a positioning nail mounting opening (1031) is arranged on one side of a double-layer plate and used for mounting a positioning nail (105).
Fig. 24, 25, 26, 27 are schematic explanatory diagrams of the parallel brake control; in FIG. 23, a brake bean is arranged on a brake handle (301), and a brake operating wire B (13) is led out through a brake spool fixing hole (3025) of a front support frame fixing part (302);
the parallel brake part is arranged on a middle transverse pipe (520) of a middle transverse pipe on the frame B (5); the combined brake fixing piece (519) is arranged at the joint of the middle upright rod and the middle transverse pipe on the frame B (5); the linkage hook fixing piece (516) is arranged on the middle transverse pipe; the linkage brake rod (518) is arranged on the linkage brake fixing piece (519); the linkage hook A (517) and the linkage hook B (523) are arranged on the linkage hook fixing part (516); the parallel brake control components will be described with reference to fig. 27, 28, 29, 30 and 31: the brake operating lines A (8) and B (13) on the two sides are installed on the linkage hook fixing piece (516) and in the hand brake line fixing hole (5161) and the hand brake line fixing hole B (5164); the two brake cables are respectively fixed on the linkage hook B (523) and the linkage hook A (517); as can be seen from fig. 23 and 24, when the linkage hook B (523) is tensioned, the linkage hook a (517) is not affected; the brake cable A (9) and the brake cable B (14) of the support arm frame A (2) and the support arm frame B (3) are respectively installed in a brake cable fixing B hole (5196) and a brake cable fixing hole (5192), two brake cable brake beans are respectively installed in a linkage brake rod (518), a left brake bean hole (5183) and a right brake bean hole (5184); the linkage brake hook B (523) and the linkage brake hook A (517) are respectively hooked on two sides of a brake hanging shaft (5181) of the linkage brake lever (518).
Fig. 28 coupled brake fixture (519) metal casting: the coupling brake fixing piece (519) is a rectangular block on the side of a circular tube, and one side of the fillet with a via hole fixing screw hole (5193) is opened; a stepped cylindrical riser fixing shaft (5191) is arranged on the side surface; the brake cable fixing hole (5192) and the brake cable fixing B hole (5196) are connected to a main pipe of the combined brake fixing piece (519), the rectangular connecting cylinder is symmetrical in shape, a central circular counter bore is formed, and the side face is grooved to the circle center; as shown in the figure: the combined brake fixing piece (519) is provided with a brake limit (5195), an arc extension strip at one side of the shape is connected with a bevel, the outer side of the arc extension strip is connected with a triangular boss, and a brake rod fixing shaft (5194) is installed on a circular hole formed in one side of the arc.
The linking hook fastener (516) of fig. 29 is a metal casting: the middle of the rectangular semicircular block is provided with a hole at the side of the circular tube, and the middle seam at one side of the linkage hook fixing piece hole (5163) is provided with an opening; a long oval block extends from one side of the main pipe of the linkage hook fixing piece (516), and a counter bore hand brake cable fixing hole (5161) and a hand brake cable fixing hole B (5164) are connected in parallel above the long oval block; the other side of the main pipe of the linked brake hook fixing piece (516) extends out of an arc long block, and a linked brake hook shaft (5162) is arranged in the round hole.
The linking hook a (517) of fig. 30 is a metal casting: is a B-shaped metal, and one end of the B-shaped metal is a long oval thickened plate; the hook head (5171) and the corner are provided with mounting holes (5172); the via hole is a steel wire perforation (5173); a locking screw hole (5174) is communicated with the steel wire through hole (5173).
FIG. 31 the associated brake lever (518) is a metal casting: the middle of the L shape on one side of the circular tube is staggered with the parallel plate; the L-shaped end is a round hole; a brake hanging shaft (5181) is arranged in a round hole at the long strip end, and the brake hanging shaft (5181) extends out of two sides of the L-shaped parallel plate for the same distance and is used for placing two linked brake hooks A (517); the other side is a fixed through hole (5182); l-shaped through holes are formed in the two sides of the circular tube and are a left bean gate hole (5183) and a right bean gate hole (5184).
The brake wheel holder (509) of figure 32 is a metal casting: a middle screw hole of the rectangular semicircular block is a fixing hole (5092) for a brake wheel fixing piece on the side of the circular tube; a middle counter bore of a rectangular semicircular block is formed in one end of the circular tube, and a brake tube fixing hole (5091) is formed from the center of the circular arc to one side of the circular arc; the main circular tube is a rear vertical tube jack (5093); one side of the main circular tube is provided with a symmetrical arc-shaped block at one end which is a wheel mounting plate (5096); a side seam opening (5095) of the main round pipe; a brake line wheel (5094).
Fig. 33, 34 support reinforcement (70) is a metal casting: designing a supporting and reinforcing member (70) for reinforcing the strength of the central shaft of the supporting and connecting frame A (6) and the supporting and connecting frame B (7); the main circular tube is a support frame inserting tube (701); a circular tube support frame shaft hole (702) at the center of the semicircular plate at one side.
While the invention has been described in detail in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. A single-hand braking rollator is characterized in that: the single-hand braking rollator is supported by a frame A (1) and a frame B (5) on two sides and a support connecting frame A (6) and a support connecting frame B (7) on the frames on the two sides in a crossing way, and is arranged on the frame through a support connecting frame B fixing pipe (11) and a support connecting frame A fixing pipe (12), and the wheelchair structure can be used for folding a vehicle body; an adjusting vertical pipe (10) and a positioning fixing piece (101) are installed and assembled with a supporting connecting frame B (7), the adjusting vertical pipe (10) is provided with the slidable positioning fixing piece (101), an adjusting vertical pipe positioning hole (106) slides to the adjusting vertical pipe (10), and the width of a locking frame is adjusted by inserting a positioning nail (105) on the positioning fixing piece (101) into the adjusting vertical pipe positioning hole (106); the connecting belt (4) is arranged in the middle of the upper transverse pipe of the frame A (1) and the frame B (5), the width of the frame can be limited, and the frame is additionally provided with a bracket A (2) and a bracket B (3) of the elbow arms at two sides;
the brake operating lines A (8) and B (13) of the brake handles (301) on the two sides are connected to the parallel brake device; the brake cable A (9) and the brake cable B (14) are connected to the brake lever (515) from the parallel brake; stopping the brake shoe (513); the frame A (1) is identical to the frame B (5) in structure, and the frame is trapezoidal by adopting a straight pipe and metal insertion combination: the shape is trapezoidal, and frame metal plug connector has: the front wheel fixing part (501), the middle transverse pipe fixing part (502), the front vertical pipe (503), the upper pipe fixing part (504), the upper transverse pipe (505), the support arm frame fixing part (506), the rear vertical pipe (508), the middle vertical pipe (521), the middle transverse pipe (520), the lower transverse pipe (522) and the rear wheel fixing part (514);
the parts of the supporting arm frame B (3) comprise: the brake comprises a brake handle (301), a front support frame fixing piece (302), support arm fixing cloth (303), a support arm pipe (304), a support arm connecting fixing piece (305), a rear support frame fixing piece (306), a central pipe fixing piece (307) and a support vertical pipe (308).
2. The single-handed brake walker of claim 1 wherein: the front wheel fixing piece (501) is provided with two stepped cylinders which are arranged at an acute angle at one side of a short circular tube, wherein the two stepped cylinders are an inclined upper stepped cylinder (5011) and a lower horizontal stepped cylinder (5012).
3. The single-handed brake walker of claim 1 wherein: the supporting arm frame fixing part (506) is a metal part: a transverse step column (5061) is connected with two parallel small vertical round tubes (5062) in the middle of the elliptic column, the lower part of each small vertical round tube (5062) is cut into a half side, and a middle hole is a screw fixing hole (5064); one side of the small vertical round tube (5062) is connected with the elliptic cylinder for bending; the end is an inclined ladder-level cylinder (5063).
4. The single-handed brake walker of claim 1 wherein: the brake shoe (513) is a metal piece: the brake arc tile (5131) of the semi-arc piece is provided with two brake step cylinders which are connected in parallel, and the center of each cylinder is provided with a brake guide post (5132) with a threaded hole.
5. The single-handed brake walker of claim 1 wherein: the rear wheel fixing piece (514) is a metal casting, two metal plates with round holes are arranged on the rear side cylinder of the front step cylinder (5145), and the holes are brake pressure rod fixing holes (5144); the two short round tubes in parallel in the middle are a brake shoe shaft hole A (5142) and a brake shoe shaft hole A (5147); corrugated rib conical columns (5148) are bent at two sides of the brake shoe shaft hole A (5142) and the brake shoe shaft hole A (5147), and plate-shaped reinforcing ribs (5146) are arranged at the inner sides; the corrugated rib conical column (5148) is connected with a metal plate, a via hole is a rear wheel fixing hole (5143), the rear ends of the two parallel short circular tube brake shoe shaft holes (5142) are bent upwards, and then the rear ends are connected with a vertical tube rear fixing shaft (5141) of the step column.
6. The single-handed brake walker of claim 1 wherein: the front support frame fixing piece (302) is a metal casting, an oval fixing piece connecting plate (3021) is bent towards the rear upper parts of two sides in the middle, a round supporting column (3026) is connected behind the oval plate, a round pipe connected to the middle of the oval fixing piece connecting plate (3021) is a brake handle mounting pipe (3022), and a brake handle fixing shaft hole (3027); the brake handle fixing shaft hole (3027) is communicated with the lock pin hole (3024) of the short round tube; two stepped cylindrical fixing cylinders (3023) are arranged below the middle part of the oval fixing piece connecting plate (3021), when the brake lever is used, the brake fixing shaft (3012) on the cylindrical brake lever (3011) is inserted into the brake lever fixing shaft hole (3027), the ring groove on the brake fixing shaft (3012) is aligned to the lock pin hole (3024), and the pin is fixed; a long cylindrical metal block is connected to the step cylinder on one side, a counter bore is formed in the long cylindrical metal block, and a brake line pipe fixing hole (3025) is formed from a side opening groove to the center of the counter bore.
7. The single-handed brake walker of claim 1 wherein: the positioning fixing piece (101) is a metal casting, one side of the circular tube adjusting vertical tube through hole (1011) is provided with a convex rectangular fillet ring, and a positioning button fixing hole (1014) is formed in the circular tube adjusting vertical tube through hole and used for installing a positioning button (103); one side of the through hole (1011) of the round pipe adjusting vertical pipe is provided with a positioning nail hole (1013) for installing a positioning nail (105); the central cylinder is a spring fixing shaft (1015) and is used for placing a spring (102); the hole on the circular tube adjusting vertical tube through hole (1011) protruding sheet is a support connecting frame B fixing hole (1012) for installing and supporting a connecting frame B positioning hole (104).
8. The single-handed brake walker of claim 1 wherein: linkage brake fixing piece (519) metal casting: the coupling brake fixing piece (519) is a rectangular block on the side of a circular tube, and one side of the fillet with a via hole fixing screw hole (5193) is opened; a stepped cylindrical riser fixing shaft (5191) is arranged on the side surface; the brake cable fixing hole (5192) and the brake cable fixing B hole (5196) are connected to a main pipe of the combined brake fixing piece (519), the rectangular connecting cylinder is symmetrical in shape, a central circular counter bore is formed, and the side face is grooved to the circle center; the combined brake fixing piece (519) is provided with a brake limit (5195), an arc extension strip at one side of the shape is connected with a bevel, the outer side of the arc extension strip is connected with a triangular boss, and a brake rod fixing shaft (5194) is installed on a circular hole formed in one side of the arc.
9. The single-handed brake walker of claim 1 wherein: the linking hook fastener (516) is a metal casting: the middle of the rectangular semicircular block is provided with a hole at the side of the circular tube, and the middle seam at one side of the linkage hook fixing piece hole (5163) is provided with an opening; a long oval block extends from one side of the main pipe of the linkage hook fixing piece (516), and a counter bore hand brake cable fixing hole (5161) and a hand brake cable fixing hole B (5164) are connected in parallel above the long oval block; the other side of the main pipe of the linked brake hook fixing piece (516) extends out of an arc long block, and a linked brake hook shaft (5162) is arranged in the round hole.
10. The single-handed brake walker of claim 1 wherein: the linkage brake lever (518) is a metal casting: the middle of the L shape on one side of the circular tube is staggered with the parallel plate; the L-shaped end is a round hole; a brake hanging shaft (5181) is arranged in a round hole at the long strip end, the brake hanging shaft (5181) extends out of two sides of the L-shaped parallel plate for the same distance, and a fixed through hole (5182) is arranged at the other side; l-shaped through holes are formed in the two sides of the circular tube and are a left bean gate hole (5183) and a right bean gate hole (5184).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010822284.8A CN111888205A (en) | 2020-08-16 | 2020-08-16 | Single hand braking walking-aid vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010822284.8A CN111888205A (en) | 2020-08-16 | 2020-08-16 | Single hand braking walking-aid vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111888205A true CN111888205A (en) | 2020-11-06 |
Family
ID=73229474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010822284.8A Pending CN111888205A (en) | 2020-08-16 | 2020-08-16 | Single hand braking walking-aid vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111888205A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113749865A (en) * | 2021-03-15 | 2021-12-07 | 荆门周轮友残疾人用品有限公司 | Arm force control system for motor-driven wheelchair faucet |
-
2020
- 2020-08-16 CN CN202010822284.8A patent/CN111888205A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113749865A (en) * | 2021-03-15 | 2021-12-07 | 荆门周轮友残疾人用品有限公司 | Arm force control system for motor-driven wheelchair faucet |
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