CN114028088B - Folding wheelchair capable of preventing sliding - Google Patents
Folding wheelchair capable of preventing sliding Download PDFInfo
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- CN114028088B CN114028088B CN202111610724.4A CN202111610724A CN114028088B CN 114028088 B CN114028088 B CN 114028088B CN 202111610724 A CN202111610724 A CN 202111610724A CN 114028088 B CN114028088 B CN 114028088B
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- 230000005540 biological transmission Effects 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims description 13
- 230000008093 supporting effect Effects 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000009194 climbing Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/06—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs with obstacle mounting facilities, e.g. for climbing stairs, kerbs or steps
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/08—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs foldable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1005—Wheelchairs having brakes
- A61G5/1008—Wheelchairs having brakes for gradually slowing down the wheelchair
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1089—Anti-tip devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G2203/00—General characteristics of devices
- A61G2203/70—General characteristics of devices with special adaptations, e.g. for safety or comfort
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Handcart (AREA)
Abstract
The application discloses a folding wheelchair capable of preventing a slide slope, which comprises a symmetrically distributed vehicle body, wherein a folding seat is fixedly connected between two groups of vehicle bodies, the bottom of the vehicle body is rotationally connected with a symmetrically distributed rotating shaft, the outer wall of the rotating shaft is fixedly sleeved with a travelling wheel, when the slide slope occurs in the climbing or descending slope, a plug-in rod is pulled to enable the plug-in rod to be separated from a clamping groove, a second spring enables the connecting sleeve to move, when the connecting sleeve is about to be meshed with a transmission gear, the wheelchair moves to enable the travelling wheel to rotate so as to drive a first gear to rotate, under the action of the second spring, the second gear is meshed with the transmission gear, the travelling wheel is in contact with the travelling wheel, the travelling wheel rotates to drive the first gear and enable the friction wheel to rotate through the transmission gear, the friction wheel is the same as the travelling wheel in rotation direction through the cooperation of the first gear, the transmission gear and the second gear, and when the friction wheel rotates, the friction wheel provides resistance to the travelling wheel, the travelling wheel is slowed down, and the travelling wheel is enabled to move very slowly.
Description
Technical Field
The application relates to the field of wheelchairs, in particular to a folding wheelchair capable of preventing sliding.
Background
Wheelchairs are chairs provided with wheels to help to replace walking, and are divided into electric and manual folding wheelchairs. The wheelchair is an important moving tool for home rehabilitation, turnover transportation, treatment and outgoing activities of wounded persons, patients and disabled persons, not only meets the requirements of the disabled persons and the mobility impaired persons for the wheelchair for riding instead of walk, but also is convenient for the family members to move and care the patients, so that the patients can exercise and participate in social activities by means of the wheelchair.
The application improves under the prior art, in the prior art, when the existing folding wheelchair climbs or descends, the wheelchair is easy to slide down when climbing or descending due to no protection mechanism, and the damage to patients is easy to cause.
Disclosure of Invention
The application aims to solve the defects in the prior art and provides a folding wheelchair capable of preventing sliding.
In order to achieve the above purpose, the present application adopts the following technical scheme:
the utility model provides a folding wheelchair of anti-slip slope, includes the automobile body of symmetric distribution, two sets of fixedly connected with folding seat between the automobile body, the bottom rotation of automobile body is connected with the pivot of symmetric distribution, the outer wall fixed sleeve of pivot has been connected with the walking wheel, and two sets of walking wheels are located between two sets of automobile bodies, the outer wall fixed sleeve of walking wheel has the antiskid cover, one side that the automobile body was kept away from to the walking wheel is equipped with the first gear that fixedly sleeve with the pivot, the top meshing of first gear has drive gear, drive gear's inner wall fixed sleeve has the transmission shaft with automobile body swivelling joint, the right side meshing of transmission shaft has the second gear, the inner wall fixed sleeve of second gear has the driven shaft, the outer wall rotation of driven shaft is connected with the link, the one end outer wall fixed sleeve that the second gear stretches out has the friction wheel, friction wheel and walking wheel contact, two sets of one side that the link kept away from each other fixedly connected with connecting rod, one side fixedly connected with movable rod and automobile body sliding connection, the one end outer wall sliding connection of the automobile body that the movable rod stretches out has the fixed plate, the inner wall fixedly connected with driven shaft and the screw bolt, the inner wall fixedly connected with screw bolt.
As a further scheme of the application: the outer wall of the sleeve is fixedly sleeved with a third gear, one side of the movable rod, which is close to the sleeve, is fixedly connected with a rack, and the rack is meshed with the third gear.
As still further aspects of the application: the friction plate is characterized in that a fixed ring is arranged above the friction plate and fixedly sleeved with the outer wall of the stud, the top of the fixed ring is fixedly connected with symmetrically distributed telescopic rods, and the other ends of the telescopic rods are fixedly connected with the supporting plate.
As still further aspects of the application: the top fixedly connected with sloping block of movable rod, and sloping block and automobile body sliding connection, the sloping block is close to telescopic one side top be equipped with automobile body sliding connection's montant, one side bottom that the montant is close to sloping block rotates and is connected with the pulley, and pulley and sloping block roll connection, the top of pulley is equipped with the fixed block with montant fixed connection, the top butt of fixed block has the stopper with sloping block fixed connection.
As still further aspects of the application: the clamping groove is formed in the right wall of the top end of the vertical rod, the guide groove is formed in the top of the car body, the connecting ring is fixedly connected to the inner wall of the guide groove, the inserting rod is slidably connected to the inner wall of the connecting ring, the inserting rod is matched with the clamping groove, the movable ring is fixedly connected to the outer wall of one side, close to the vertical rod, of the inserting rod, the movable ring is slidably connected with the inner wall of the guide groove, the first spring sleeved with the inserting rod is fixedly connected to one side, close to the connecting ring, of the movable ring, and the other end of the first spring is fixedly connected with the connecting ring.
As still further aspects of the application: one side of the fixed plate far away from the sleeve is provided with a connecting sleeve fixedly sleeved with the movable rod, one side of the connecting sleeve close to the fixed plate is fixedly connected with a second spring sleeved with the movable rod, and the other end of the second spring is fixedly connected with the fixed plate.
As still further aspects of the application: two groups of cross bars which are symmetrically distributed are arranged on one sides, away from each other, of the vehicle body, the cross bars are C-shaped, and auxiliary wheels are arranged on two sides of each cross bar.
As still further aspects of the application: two sets of spout has all been seted up to one side that the automobile body kept away from each other, spout inner wall sliding connection has the installation piece, the top fixedly connected with third spring of installation piece, and the other end and spout top inner wall fixed connection of third spring, rotate on the installation piece and be connected with the minor axis, torsion spring has been cup jointed to the outer wall of minor axis, torsion spring's one end and installation piece fixed connection, and torsion spring's the other end and horizontal pole fixed connection, the both sides of horizontal pole are equipped with the spacing post of symmetric distribution, spacing post and automobile body fixed connection.
The application has the following beneficial effects:
1. in the application, when a slide slope occurs in a climbing slope or a descending slope, the inserting rod is pulled, the inserting rod moves to drive the movable ring to move and separate the inserting rod from the clamping groove, at the moment, the second spring is reset, the second spring enables the connecting sleeve to move towards the direction of the sleeve, the connecting sleeve drives the movable rod to move, the connecting frame further enables the second gear and the friction wheel to move, when the connecting frame is to be meshed with the transmission gear, the wheelchair moves to enable the walking wheel to rotate so as to enable the first gear to rotate, the second gear is meshed with the transmission gear under the action of the second spring, at the moment, the friction wheel is in contact with the walking wheel, the walking wheel rotates to drive the first gear and enable the friction wheel to rotate through the transmission gear, the friction wheel is enabled to be identical with the walking wheel in rotation direction through the cooperation of the first gear, the transmission gear and the second gear, and when the friction wheel rotates, the friction wheel provides resistance to the walking wheel, the walking wheel rotates to slow down the walking wheel, and the wheelchair is enabled to move very slowly;
2. in the application, in the moving process of the movable rod, the movable rod drives the rack to move at the same time so as to enable the third gear to rotate, the sleeve is enabled to rotate and drive the stud to extend out of the sleeve, the stud is enabled to move stably through the guiding of the telescopic rods at two sides, the friction plate is enabled to move to be in contact with the ground, the friction force between the wheelchair and the ground is further improved, and the sliding slope is avoided;
3. in the application, when the wheelchair is about to slide, the wheelchair has a tilting trend, at the moment, the ground makes the auxiliary wheels move upwards, the cross rod rotates to make the auxiliary wheels contact with the ground, the torsion spring deforms, and when the cross rod is abutted with the limit post, the cross rod inclines and forms a certain angle with the travelling wheel, so that a certain supporting effect is achieved on the wheelchair, and the slide is avoided.
Drawings
FIG. 1 is a schematic view of a folding wheelchair for preventing a slide slope according to the present application;
FIG. 2 is a cross bar installation structure diagram of the folding wheelchair for preventing sliding slope;
FIG. 3 is a side view of a folding wheelchair for preventing a slide slope according to the present application;
FIG. 4 is an enlarged schematic view of the structure of FIG. 1 according to the present application;
fig. 5 is an enlarged schematic view of the structure at B of fig. 1 in the present application.
Legend description:
the vehicle comprises a vehicle body 1, a supporting plate 2, travelling wheels 3, a rotating shaft 4, a first gear 5, a transmission gear 6, a transmission shaft 7, a cross rod 8, an auxiliary wheel 9, a second gear 10, a driven shaft 11, a friction wheel 12, a connecting frame 13, a fixed plate 14, a movable rod 15, a rack 16, a third gear 17, a sleeve 18, a telescopic rod 19, a fixed ring 20, a vertical rod 21, a torsion spring 22, an anti-slip sleeve 23, a limit column 24, a connecting rod 25, a folding seat 26, a clamping groove 27, a plug rod 28, a first spring 29, a movable ring 30, a connecting ring 31, a connecting sleeve 32, a second spring 33, a pulley 34, a limit block 35, a fixed block 36, a bevel block 37, a friction plate 38 and a stud 39.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present application; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Referring to figures 1-5, the folding wheelchair capable of preventing sliding slope comprises symmetrically distributed bodyworks 1, a folding seat 26 is fixedly connected between the two bodyworks 1, a rotating shaft 4 which is symmetrically distributed is rotationally connected at the bottom of the bodyworks 1, travelling wheels 3 are fixedly sleeved on the outer wall of the rotating shaft 4, the two travelling wheels 3 are positioned between the two bodyworks 1, an anti-slip sleeve 23 is fixedly sleeved on the outer wall of the travelling wheels 3, a first gear 5 which is fixedly sleeved on one side of the travelling wheels 3 far away from the bodyworks 1 and is fixedly sleeved with the rotating shaft 4 is arranged, a transmission gear 6 is meshed with the top of the first gear 5, a transmission shaft 7 which is rotationally connected with the bodyworks 1 is fixedly sleeved on the inner wall of the transmission gear 6, a second gear 10 is meshed with the right side of the transmission shaft 7, a driven shaft 11 is fixedly sleeved on the inner wall of the second gear 10, the outer wall of driven shaft 11 rotates and is connected with link 13, the driven shaft 11 stretches out the fixed friction wheel 12 that has cup jointed of one end outer wall of second gear 10, friction wheel 12 and walking wheel 3 contact, the equal fixedly connected with connecting rod 25 in one side that two sets of link 13 kept away from each other, one side that link 13 was kept away from to connecting rod 25 is fixedly connected with movable rod 15, and movable rod 15 and automobile body 1 sliding connection, the one end outer wall sliding connection that movable rod 15 stretches out automobile body 1 has fixed plate 14, the outer wall fixedly connected with of fixed plate 14 and automobile body 1 fixed connection's backup pad 2, backup pad 2 swivelling joint has sleeve 18, the inner wall threaded connection of sleeve 18 has double-screw bolt 39, the one end fixedly connected with friction plate 38 that double-screw bolt 39 stretches out sleeve 18 bottom.
The outer wall of the sleeve 18 is fixedly sleeved with a third gear 17, one side of the movable rod 15, which is close to the sleeve 18, is fixedly connected with a rack 16, and the rack 16 is meshed with the third gear 17.
The friction plate 38 is provided with a fixed ring 20 above, the fixed ring 20 is fixedly sleeved with the outer wall of the stud 39, the top of the fixed ring 20 is fixedly connected with symmetrically distributed telescopic rods 19, and the other end of the telescopic rods 19 is fixedly connected with the supporting plate 2.
The top fixedly connected with sloping block 37 of movable rod 15, and sloping block 37 and automobile body 1 sliding connection, the sloping block 37 be close to sleeve 18 one side top be equipped with automobile body 1 sliding connection's montant 21, one side bottom that montant 21 is close to sloping block 37 rotates and is connected with pulley 34, and pulley 34 and sloping block 37 roll connection, pulley 34's top be equipped with montant 21 fixed connection's fixed block 36, the top butt of fixed block 36 has with sloping block 37 fixed connection's stopper 35.
The draw-in groove 27 has been seted up to the top right wall of montant 21, the guide way has been seted up at the top of automobile body 1, guide way inner wall fixedly connected with go-between 31, the inner wall sliding connection of go-between 31 has plug rod 28, and plug rod 28 and draw-in groove 27 looks adaptation, one side outer wall fixedly connected with expansion ring 30 that plug rod 28 is close to montant 21, and expansion ring 30 and guide way inner wall sliding connection, one side fixedly connected with that expansion ring 30 is close to go-between 31 has first spring 29 with plug rod 28 cup joint, the other end and the go-between 31 fixed connection of first spring 29.
One side of the fixed plate 14 far away from the sleeve 18 is provided with a connecting sleeve 32 fixedly sleeved with the movable rod 15, one side of the connecting sleeve 32 close to the fixed plate 14 is fixedly connected with a second spring 33 sleeved with the movable rod 15, and the other end of the second spring 33 is fixedly connected with the fixed plate 14.
The two groups of car bodies 1 are provided with symmetrically distributed cross bars 8 on one side far away from each other, the cross bars 8 are C-shaped, and auxiliary wheels 9 are arranged on two sides of each cross bar 8.
The spout has all been seted up to one side that two sets of automobile bodies 1 kept away from each other, spout inner wall sliding connection has the installation piece, the top fixedly connected with third spring of installation piece, and the other end and spout top inner wall fixed connection of third spring, rotate on the installation piece and be connected with the minor axis, torsion spring 22 has been cup jointed to the outer wall of minor axis, torsion spring 22's one end and installation piece fixed connection, and torsion spring 22's the other end and horizontal pole 8 fixed connection, the both sides of horizontal pole 8 are equipped with the spacing post 24 of symmetric distribution, spacing post 24 and automobile body 1 fixed connection.
Working principle:
in the application, when a slide slope occurs in a climbing or descending slope, the inserting rod 28 is pulled, the inserting rod 28 moves to drive the movable ring 30 to move and enable the inserting rod 28 to be separated from the clamping groove 27, at the moment, the second spring 33 is reset, the connecting sleeve 32 moves towards the sleeve 18, the connecting sleeve 32 drives the movable rod 15 to move, the connecting frame 13 drives the second gear 10 and the friction wheel 12 to move, when the slide slope is about to mesh with the transmission gear 6, the wheelchair moves to enable the walking wheel 3 to rotate so as to drive the first gear 5 to rotate, the second gear 10 meshes with the transmission gear 6 under the action of the second spring 33, at the moment, the friction wheel 12 is in contact with the walking wheel 3, the walking wheel 3 rotates to drive the first gear 5 and the friction wheel 12 to rotate through the transmission gear 6, the friction wheel 12 is the same as the walking wheel 3 in the rotating direction through the cooperation of the first gear 5, the transmission gear 6 and the second gear 10, and the friction wheel 12 provides resistance to the walking wheel 3, and the walking wheel 3 is slowed down to move very slowly;
in the application, the anti-skid sleeve 23 on the outer wall of the travelling wheel 3 is made of rubber material, and the outer wall of the friction wheel 12 is also provided with the rubber sleeve in actual use, which is not shown in the figure, so that the friction force between the travelling wheel 3 and the friction wheel 12 is improved;
in the application, in the moving process of the movable rod 15, the movable rod 15 drives the rack 16 to move at the same time so as to enable the third gear 17 to rotate, the sleeve 18 rotates and drives the stud 39 to extend out of the sleeve 18, the stud 39 stably moves through the guiding of the telescopic rods 19 at two sides, and the friction plate 38 moves to be in contact with the ground, so that the friction force between the wheelchair and the ground is further improved, and the slide slope is avoided;
in the application, when the wheelchair is about to slide, the wheelchair has a tilting trend, at the moment, the ground makes the auxiliary wheels 9 move upwards, meanwhile, the cross rod 8 rotates to make the auxiliary wheels 9 contact with the ground, the torsion spring 22 deforms, and when the cross rod 8 is abutted with the limit posts 24, the cross rod 8 inclines and forms a certain angle with the travelling wheels 3, so that a certain supporting effect is achieved on the wheelchair, and the slide is avoided.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present application, and although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present application.
Claims (6)
1. The utility model provides a folding wheelchair of anti-slide slope, includes symmetrically distributed automobile body (1), its characterized in that: the two groups of folding seats (26) are fixedly connected between the car bodies (1), the bottoms of the car bodies (1) are rotationally connected with symmetrically distributed rotating shafts (4), travelling wheels (3) are fixedly sleeved on the outer walls of the rotating shafts (4), the two groups of travelling wheels (3) are positioned between the two groups of car bodies (1), anti-slip sleeves (23) are fixedly sleeved on the outer walls of the travelling wheels (3), a first gear (5) fixedly sleeved with the rotating shafts (4) is arranged on one side, far away from the car bodies (1), of each travelling wheel (3), a transmission gear (6) is meshed with the top of each first gear (5), a transmission shaft (7) rotationally connected with the car bodies (1) is fixedly sleeved on the inner wall of each transmission gear (6), a second gear (10) is meshed on the right side of each transmission shaft (7), a driven shaft (11) is fixedly sleeved on the inner wall of each second gear (10), a connecting frame (13) is rotationally connected with the outer wall of each driven shaft (11), a friction wheel (12) is fixedly sleeved on one end outer wall of each driven shaft (11) extending out of the second gear (10), the friction wheels (12) are in contact with one side, far away from the connecting rods (25) of each connecting frame, one side of the connecting rod (25) far away from the connecting frame (13) is fixedly connected with a movable rod (15), the movable rod (15) is in sliding connection with the vehicle body (1), one end of the movable rod (15) extending out of the vehicle body (1) is slidably connected with a fixed plate (14), the outer wall of the fixed plate (14) is fixedly connected with a supporting plate (2) fixedly connected with the vehicle body (1), a sleeve (18) is rotationally connected with the supporting plate (2), a stud (39) is connected with the inner wall of the sleeve (18) through threads, and one end of the stud (39) extending out of the bottom of the sleeve (18) is fixedly connected with a friction plate (38);
the outer wall of the sleeve (18) is fixedly sleeved with a third gear (17), one side of the movable rod (15) close to the sleeve (18) is fixedly connected with a rack (16), and the rack (16) is meshed with the third gear (17);
the top fixedly connected with sloping block (37) of movable rod (15), and sloping block (37) and automobile body (1) sliding connection, one side top that sloping block (37) is close to sleeve (18) is equipped with montant (21) with automobile body (1) sliding connection, one side bottom that montant (21) is close to sloping block (37) rotates and is connected with pulley (34), and pulley (34) and sloping block (37) roll connection, the top of pulley (34) is equipped with fixed block (36) with montant (21) fixed connection, the top butt of fixed block (36) has stopper (35) with sloping block (37) fixed connection.
2. A folding wheelchair for preventing a slide-down according to claim 1, wherein: the friction plate (38) is characterized in that a fixed ring (20) is arranged above the friction plate (38), the fixed ring (20) is fixedly sleeved with the outer wall of the stud (39), the top of the fixed ring (20) is fixedly connected with symmetrically distributed telescopic rods (19), and the other ends of the telescopic rods (19) are fixedly connected with the supporting plate (2).
3. A folding wheelchair for preventing a slide-down according to claim 1, wherein: clamping groove (27) have been seted up on the top right wall of montant (21), the guide way has been seted up at the top of automobile body (1), guide way inner wall fixedly connected with go-between (31), the inner wall sliding connection of go-between (31) has spliced pole (28), and spliced pole (28) and clamping groove (27) looks adaptation, spliced pole (28) are close to one side outer wall fixedly connected with expansion ring (30) of montant (21), and expansion ring (30) and guide way inner wall sliding connection, one side fixedly connected with that expansion ring (30) are close to go-between (31) is with first spring (29) of being cup jointed of spliced pole (28), the other end and the go-between (31) fixed connection of first spring (29).
4. A folding wheelchair for preventing a slide-down according to claim 1, wherein: one side of the fixed plate (14) far away from the sleeve (18) is provided with a connecting sleeve (32) fixedly sleeved with the movable rod (15), one side of the connecting sleeve (32) close to the fixed plate (14) is fixedly connected with a second spring (33) sleeved with the movable rod (15), and the other end of the second spring (33) is fixedly connected with the fixed plate (14).
5. A folding wheelchair for preventing a slide-down according to claim 1, wherein: two sets of automobile body (1) one side that keeps away from each other is equipped with symmetric distribution's horizontal pole (8), the shape of horizontal pole (8) is the C shape, auxiliary wheel (9) are all installed to the both sides of horizontal pole (8).
6. The anti-slide folding wheelchair of claim 5, wherein: two sets of spout has all been seted up to one side that automobile body (1) kept away from each other, spout inner wall sliding connection has the installation piece, the top fixedly connected with third spring of installation piece, and the other end and spout top inner wall fixed connection of third spring, rotate on the installation piece and be connected with the minor axis, torsion spring (22) have been cup jointed to the outer wall of minor axis, torsion spring (22) one end and installation piece fixed connection, and torsion spring (22) the other end and horizontal pole (8) fixed connection, the both sides of horizontal pole (8) are equipped with spacing post (24) of symmetric distribution, spacing post (24) and automobile body (1) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111610724.4A CN114028088B (en) | 2021-12-27 | 2021-12-27 | Folding wheelchair capable of preventing sliding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111610724.4A CN114028088B (en) | 2021-12-27 | 2021-12-27 | Folding wheelchair capable of preventing sliding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114028088A CN114028088A (en) | 2022-02-11 |
| CN114028088B true CN114028088B (en) | 2023-10-13 |
Family
ID=80141272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111610724.4A Active CN114028088B (en) | 2021-12-27 | 2021-12-27 | Folding wheelchair capable of preventing sliding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114028088B (en) |
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| CN211797307U (en) * | 2019-11-06 | 2020-10-30 | 南京晓庄学院 | Intelligent seat |
| CN213284889U (en) * | 2020-07-15 | 2021-05-28 | 天津市子文世纪医疗科技有限公司 | Movable infusion pump station device |
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| CN214713083U (en) * | 2021-02-26 | 2021-11-16 | 吉林大学 | Special chair for spine nursing |
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| CN114028088A (en) | 2022-02-11 |
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