CN107320255B - Seat width adjustable folding wheelchair with pressure sore prevention function - Google Patents
Seat width adjustable folding wheelchair with pressure sore prevention function Download PDFInfo
- Publication number
- CN107320255B CN107320255B CN201710663240.3A CN201710663240A CN107320255B CN 107320255 B CN107320255 B CN 107320255B CN 201710663240 A CN201710663240 A CN 201710663240A CN 107320255 B CN107320255 B CN 107320255B
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- pressure sore
- shell
- seat cushion
- sore prevention
- pedal
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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
-
- 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
- A61G5/1002—Parts, details or accessories with toilet facilities
-
- 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
- A61G5/1056—Arrangements for adjusting the seat
- A61G5/1062—Arrangements for adjusting the seat adjusting the width of the seat
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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)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention discloses a seat width adjustable folding wheelchair with a pressure sore prevention function, which comprises two chair frames, wherein a seat cushion supporting belt and a chair back are arranged between the two chair frames, and adjusting buckles are arranged on the seat cushion supporting belt and the chair back; a seat cushion is arranged above the seat cushion supporting belt; an adjusting device is arranged below the seat cushion supporting belt, a pedal stand column, a front wheel and a rear wheel are sequentially arranged on the chair frame from front to back, a pedal is arranged on the pedal stand column, and a pedal torsion spring is arranged on the pedal stand column. The invention has simple structure and low manufacturing cost, adopts the structure with adjustable seat width, is convenient for a user to adjust the seat width of the wheelchair according to the comfort level of the user, solves the problem that the seat width cannot be adjusted to cause discomfort when the user takes the wheelchair, can effectively support the body of the user by the pressure sore prevention device, achieves the aim of pressure sore prevention, and has the characteristics of good pressure sore prevention effect, strong stability and the like.
Description
Technical Field
The invention belongs to the field of auxiliary instruments, and relates to a wheelchair, in particular to a seat width adjustable folding wheelchair with a pressure sore prevention function.
Background
The wheelchair is used as medical special equipment, the function of the wheelchair is set as a service object of a specific crowd so as to meet the requirements of the wheelchair for riding instead of walking, the wheelchair is extremely important for people with inconvenient walking, not only is a riding tool, but also can enable disabled people to participate in various social activities, such as going out for a long journey, shopping or participating in sports activities, and the like, and not only can enable the disabled people to experience life, but also can enable the disabled people to participate in the social activities and the like.
At present, most of wheelchairs on the market have wide-size structures of fixed seats, so that the wheelchairs are applicable to a part of using groups, but the wheelchairs can cause the disabled people with fat body types or thin body types to use the wheelchairs, the price of the wheelchairs customized by the user is too high, great economic burden is brought to the user, moreover, the wheelchairs customized by the user can not verify the measurement data at the first time because of the difference of self business levels and the defects of the prior measurement technology, and the wheelchairs customized by the user still have certain dissatisfaction, especially in winter when the user wears more clothes; the current wheelchair has no function of preventing pressure sores, wherein the pressure sores are pressure ulcers formed by the fact that the position of the wheelchair cannot be adjusted to keep a relatively fixed sitting posture for a long time in the using process of disabled people, particularly patients suffering from spinal paralysis, and the local tissues bear the weight of blood circulation of pressed parts for a long time to be blocked, so that the body of the patient is damaged in different scales, and great inconvenience is caused to life of the patient; when a patient suffering from spinal paralysis uses the wheelchair, the patient must be prevented from pressure sores, and the method for preventing pressure sores usually requires the patient to prop up the body by himself or with the help of caregivers such as family members, friends and the like for a long time, so that blood in a normally compressed part flows, but when the patient props up the body for a long time, the patient is easy to fall down the wheelchair due to insufficient arm strength, potential safety hazards exist, and the patient can prop up the body with the help of the caregivers, but the patient needs to be kept for a long time, is extremely laborious, and needs to support the patient with the help of the caregivers frequently, so that great inconvenience is caused to the caregivers.
Disclosure of Invention
The invention provides a seat width adjustable folding wheelchair with a pressure sore prevention function, which aims at the defects of the prior art, adopts a structure with adjustable seat width, is convenient for a user to adjust the seat width of the wheelchair according to the comfort level of the user, solves the problem that the seat width cannot be adjusted to cause discomfort when the user takes the wheelchair, and can effectively support and support the body of the user by the pressure sore prevention device so as to achieve the aim of preventing pressure sore.
The invention adopts the technical scheme that:
a seat width adjustable folding wheelchair with a pressure sore prevention function comprises two chair frames, wherein a seat cushion supporting belt and a chair back are arranged between the two chair frames, and adjusting buckles are arranged on the seat cushion supporting belt and the chair back, and the seat cushion supporting belt and the chair back can be adjusted through the adjusting buckles so as to be tightened or loosened; a seat cushion is arranged above the seat cushion supporting belt; the wheelchair is folded through the folding adjusting device, the distance between the chair frames can be adjusted through the adjusting device, the pedal upright posts, the front wheels and the rear wheels are sequentially arranged on the chair frames from front to back, the pedal is arranged on the pedal upright posts, the pedal torsion spring is arranged on the pedal upright posts, one end of the pedal torsion spring is fixedly connected with the pedal upright posts, the other end of the pedal torsion spring is connected with the bottom of the pedal, the pedal is in a folding state in a non-use state of the wheelchair, when a user sits on the wheelchair, the pedal can be opened through the pressing force of the legs after stepping on the pedal, the effect of supporting the legs is achieved, when the user lifts the feet, the pedal torsion spring is reset, and the pedal can be automatically folded, so that the wheelchair is convenient for the user to leave; armrests are arranged on the chair frame, and a pressure sore prevention device is arranged on the chair frame below the armrests, so that a patient can be effectively prevented from generating pressure sores through the pressure sore prevention device;
the adjusting device is designed into a scissor type telescopic rod structure, the extending ends of the adjusting device are connected with the chair frame, the chair frame can be folded through folding the adjusting device, a plurality of positioning holes and a plurality of adjusting bolts are formed in the adjusting device, when the extending ends extend to the designated positions, the adjusting bolts can be used for fixing the extending ends, the distance between the chair frames can be adjusted, and then the seat cushion supporting band and the chair back can be adjusted and straightened through the adjusting buckles, so that the purpose of adjusting the widths of the seat cushion supporting band and the chair back is achieved;
the pressure sore prevention device consists of two supporters, each supporter consists of a shell, a protecting shell, a thrust spring, a sliding shell and a pressure sore prevention pull rod, the protecting shell is arranged outside the shell, the protecting shell can play a role in preventing collision and scraping, the sliding shell is arranged inside the shell, the thrust spring is arranged at the top of the sliding shell, the sliding shell is connected with the shell through the thrust spring, openings are arranged at the corresponding positions of the protecting shell, the shell and the top of the sliding shell, pressure sore prevention supporting belts are arranged between the supporters, the pressure sore prevention supporting belts can extend into the sliding shell through the openings, the two ends of the pressure sore prevention supporting belts are respectively connected with clamping rods arranged inside the sliding shell, the lengths of the clamping rods are slightly longer than the openings, the two ends of the pressure sore prevention supporting belts cannot be separated from the sliding shell when the pressure sore prevention supporting belts are straightened, the pressure sore prevention pull rods are arranged between the protecting shell and the shell, movable ports are arranged on the two sides of the pressure sore prevention pull rods, the upper dividing pin and the lower dividing pin are connected with the pull rod torsion spring arranged on the pressure sore prevention pull rod through movable openings, the movable openings can prevent the pressure sore prevention pull rod from being blocked by the dividing pin when the pressure sore prevention pull rod is lifted up or pressed down, the upper pin holes and the lower pin holes are arranged on the two sides of the sliding shell, when the pressure sore prevention pull rod on the two sides of the chair frame is lifted up, the pin rods of the upper dividing pin on the two sides of the shell are popped up through the acting force of the pull rod torsion spring, so that the pin heads of the upper dividing pin retract from the upper pin holes on the two sides of the sliding shell, simultaneously, after the acting force of the pull rod torsion spring is lost, the pin rods of the lower dividing pin are popped up through the pin heads of the lower dividing pin, the sliding shell is popped up from the upper pin holes through the acting force of the thrust spring, when the lower pin holes on two sides of the sliding shell slide to the lower indexing pin, the lower indexing pin is pushed into the lower pin holes under the action of the pin springs, so that the sliding shell is fixed, the anti-pressure sore supporting belt is straightened, when the anti-pressure sore pull rod is pressed down, the pin rod of the lower indexing pin is pushed out under the action of the pull rod torsion spring, so that the pin head of the lower indexing pin retracts from the lower pin holes, after the action force of the pull rod torsion spring is lost, the pin rod of the upper indexing pin pushes out the pin head of the upper indexing pin through the pin springs, the anti-pressure sore supporting belt is clamped at the opening under the action force of the weight of a user, the sliding shell is pulled to upwards slide against the thrust of the thrust springs, and when the upper pin hole slides to the upper indexing pin hole, the pin head of the upper indexing pin is pushed into the upper pin hole under the action of the pin springs, so that the sliding shell is fixed.
The toilet seat comprises a toilet seat and a common seat, wherein the toilet seat consists of a seat, a toilet bowl supporting frame, a hanging groove and a toilet bowl, the toilet bowl supporting frame is arranged at the bottom of the seat, the hanging groove is arranged on the toilet bowl supporting frame, the toilet bowl is hung on the toilet bowl supporting frame through the hanging groove, if a user needs to use a toilet, the common seat can be replaced by the toilet seat, two seat supporting belts above the toilet bowl are detached from the adjusting buckle, and then the toilet bowl is inserted into the toilet bowl through the hanging groove.
Five positioning holes and three adjusting bolts are arranged on the adjusting device, and after the wheelchair is adjusted to be suitable in seat width, the wheelchair can be more stably fixed through the three adjusting bolts.
The upper part and the lower part of the sliding shell are respectively provided with an oblique angle structure, so that the indexing pin can be conveniently inserted into the pin hole.
The invention has simple structure and low manufacturing cost, adopts the structure with adjustable seat width, is convenient for a user to adjust the seat width of the wheelchair according to the comfort level of the user, solves the problem that the seat width cannot be adjusted to cause discomfort when the user takes the wheelchair, can effectively support the body of the user by the pressure sore prevention device, achieves the aim of pressure sore prevention, and has the characteristics of good pressure sore prevention effect, strong stability and the like.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic structural view of the adjusting device of the present invention.
Fig. 3 is a longitudinal sectional view of the pressure sore prevention device of the present invention.
Fig. 4 is an enlarged schematic view of the structure of the present invention at a.
Fig. 5 is an enlarged schematic view of the structure of the present invention at B.
Fig. 6 is a schematic view of the structure of the seat cushion of the toilet of the present invention.
In the figure: 1. a chair frame; 2. a seat support belt; 3. a foot pedal upright post; 4. a front wheel; 5. a rear wheel; 6. a chair back; 7. an extension end; 8. positioning holes; 9. an adjusting bolt; 10. a protective shell; 11. a housing; 12. a sliding housing; 13. a pressure sore prevention pull rod; 14. a thrust spring; 15. a pressure sore prevention supporting belt; 16. an upper indexing pin; 17. a pull rod torsion spring; 18. a clamping rod; 19. a lower indexing pin; 20. a foot pedal; 21. a foot pedal torsion spring; 22. a cushion; 23. a bedpan support frame; 24. a hanging groove; 25. a bedpan.
Detailed Description
The invention will now be further illustrated by way of example, but not by way of limitation, with reference to the accompanying drawings.
In the structures shown in fig. 1 and 4, the seat width adjustable folding wheelchair with the pressure sore prevention function provided by the invention comprises two chair frames 1, wherein a seat cushion supporting belt 2 and a chair back 6 are arranged between the chair frames 1, and adjusting buckles are arranged on the seat cushion supporting belt 2 and the chair back 6; a seat cushion is arranged above the seat cushion supporting band 2; an adjusting device is arranged below the seat cushion supporting belt 2, a pedal upright post 3, a front wheel 4 and a rear wheel 5 are sequentially arranged on the chair frame 1 from front to back, a pedal 20 is arranged on the pedal upright post 3, a pedal torsion spring 21 is arranged on the pedal upright post 3, one end of the pedal torsion spring 21 is fixedly connected with the pedal upright post 3, and the other end is connected with the bottom of the pedal 22;
the adjusting device is designed into a scissor fork type telescopic rod structure, the extending ends 7 of the adjusting device are connected with the chair frame 1, and a plurality of positioning holes 8 and a plurality of adjusting bolts 9 are arranged on the adjusting device;
the anti-pressure sore device consists of two supporters, each supporter consists of a shell 11, a protective shell 10, a thrust spring 14, a sliding shell 12 and an anti-pressure sore pull rod 15, the protective shell 10 is arranged outside the shell 11, the sliding shell 12 is arranged inside the shell 11, the thrust spring 14 is arranged at the top of the sliding shell 12, the sliding shell 12 is connected with the shell 11 through the thrust spring 14, openings are formed in the corresponding positions of the protective shell 10, the shell 11 and the top of the sliding shell 12, an anti-pressure sore supporting belt 15 is arranged between the supporters, two ends of the anti-pressure sore supporting belt 15 are respectively connected with a clamping rod 18 arranged inside the sliding shell 12, the length of the clamping rod 18 is slightly longer than the openings, the anti-pressure sore pull rod 15 is arranged between the protective shell 10 and the shell 11, movable openings are formed in two sides of the anti-pressure sore pull rod 15, a plurality of torsion springs 17 are arranged on two sides of the anti-pressure sore pull rod 15, an upper indexing pin 16 and a lower indexing pin 19 are arranged on the left side and the right side of the shell 11, the upper indexing pin 16 and the lower pin 19 are connected with a torsion spring 17 arranged on the two sides of the anti-pressure sore pull rod 12 through the movable openings, and the upper indexing pin holes are arranged on the two sides of the torsion springs 17 and are connected with the two pin holes on the two sides of the anti-pressure sore pull rod 12.
The seat cushion comprises a toilet seat cushion and a common seat cushion, the toilet seat cushion consists of a seat cushion 22, a toilet bowl supporting frame 23, a hanging groove 24 and a toilet bowl 25, the toilet bowl supporting frame 23 is arranged at the bottom of the seat cushion 22, the hanging groove 24 is arranged on the toilet bowl supporting frame 23, and the toilet bowl 25 is hung on the toilet bowl supporting frame 23 through the hanging groove 24.
Five positioning holes 8 and three adjusting bolts 9 are arranged on the adjusting device.
The upper and lower parts of the sliding housing 12 are respectively provided with bevel structures.
When the push-up type anti-pressure sore pulling device is used, after a user takes a long time, the push-up type anti-pressure sore pulling rod is lifted up, the pin rods of the upper dividing pins at the two sides of the shell are ejected out through the acting force of the pull rod torsion springs, so that the pin heads of the upper dividing pins retract from the upper pin holes at the two sides of the sliding shell, after the acting force of the pull rod torsion springs is lost, the pin heads of the lower dividing pins are ejected out through the pin springs, after the sliding shell is ejected out of the upper pin holes, the user supports the body through the two hands, at the moment, the sliding shell slides downwards under the action of the thrust springs, when the lower pin holes at the two sides of the sliding shell slide to the lower pin holes, the lower dividing pins are pushed into the lower pin holes under the action of the pin springs, the sliding shell is fixed, and the clamping rods are clamped at the opening, so that the anti-pressure sore supporting strips in the sliding shell are straightened, the user sits on the anti-pressure sore supporting strips, blood at the normal pressure sore supporting positions can be prevented from flowing, after the anti-pressure sore pulling process is finished, the user pushes down the anti-pressure sore pulling rod, the dividing pins are pushed out of the lower pin through the two sides of the body through the two sides of the push-up pin holes, the lower dividing pins are ejected out of the upper pin holes through the upper pin holes, the upper dividing pins are not pushed out of the upper pin holes, and the upper side of the sliding shell through the upper dividing pins, and the upper dividing pins are also pulled out of the upper side of the upper pin holes, and the sliding shell are not pushed out of the upper side by the sliding pins, and the sliding pins are pulled by the sliding pins, and the sliding pins are pulled out through the upper and the force, and the force of the force. So that the pin head of the upper indexing pin can be jacked into the upper pin hole; if the user needs to use the toilet, after the common seat cushion is replaced by the toilet seat cushion, the seat cushion supporting belt above the bedpan is detached from the adjusting buckle, and then the bedpan is inserted into the hanging groove, so that the user can use the toilet.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (3)
1. A seat width adjustable folding wheelchair with a pressure sore prevention function comprises two chair frames, wherein a seat cushion supporting belt and a chair back are arranged between the two chair frames, and adjusting buckles are arranged on the seat cushion supporting belt and the chair back; a seat cushion is arranged above the seat cushion supporting belt; an adjusting device is arranged below the seat cushion supporting belt, a pedal upright post, a front wheel and a rear wheel are sequentially arranged on the chair frame from front to back, a pedal is arranged on the pedal upright post, a pedal torsion spring is arranged on the pedal upright post, one end of the pedal torsion spring is fixedly connected with the pedal upright post, and the other end of the pedal torsion spring is connected with the bottom of the pedal; the adjusting device is designed into a scissor fork type telescopic rod structure, the extending ends of the adjusting device are connected with the chair frame, and a plurality of positioning holes and a plurality of adjusting bolts are arranged on the adjusting device; armrests are arranged on the chair frame, and are characterized in that: the chair frame below the armrests is provided with a pressure sore prevention device, the pressure sore prevention device is composed of two supporters, each supporter is composed of a shell, a protective shell, a thrust spring, a sliding shell and pressure sore prevention pull rods, the protective shell is arranged outside the shell, the sliding shell is arranged inside the shell, the upper side and the lower side of the sliding shell are respectively provided with an oblique angle structure, the top of the sliding shell is provided with the thrust spring, the sliding shell is connected with the shell through the thrust spring, the corresponding positions of the protective shell, the shell and the top of the sliding shell are respectively provided with an opening, pressure sore prevention supporting belts are arranged between the supporters, two ends of each pressure sore prevention supporting belt are respectively connected with a clamping rod arranged inside the sliding shell, the length of each clamping rod is slightly longer than the opening, pressure sore prevention pull rods are arranged between the protective shell and the shell, movable openings are arranged on two sides of each pressure sore prevention pull rod, the left side and right side of the shell are respectively provided with an upper indexing pin and a lower indexing pin, the upper pin and the lower indexing pin are respectively arranged on the left side and right side of the shell, and the lower side of each movable pin is respectively connected with a torsion spring on the two sides of each side of the pressure sore prevention pull rod.
2. The seat width adjustable folding wheelchair with pressure sore prevention function as claimed in claim 1, characterized in that: the seat cushion comprises a toilet seat cushion and a common seat cushion, the toilet seat cushion consists of a seat cushion, a toilet bowl supporting frame, hanging grooves and a toilet bowl, the toilet bowl supporting frame is arranged at the bottom of the seat cushion, the hanging grooves are formed in the toilet bowl supporting frame, and the toilet bowl is hung on the toilet bowl supporting frame through the hanging grooves.
3. The seat width adjustable folding wheelchair with pressure sore prevention function as claimed in claim 1, characterized in that: five positioning holes and three adjusting bolts are arranged on the adjusting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710663240.3A CN107320255B (en) | 2017-08-05 | 2017-08-05 | Seat width adjustable folding wheelchair with pressure sore prevention function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710663240.3A CN107320255B (en) | 2017-08-05 | 2017-08-05 | Seat width adjustable folding wheelchair with pressure sore prevention function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107320255A CN107320255A (en) | 2017-11-07 |
| CN107320255B true CN107320255B (en) | 2023-09-12 |
Family
ID=60225396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710663240.3A Active CN107320255B (en) | 2017-08-05 | 2017-08-05 | Seat width adjustable folding wheelchair with pressure sore prevention function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107320255B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ745582A (en) * | 2018-08-21 | 2019-12-20 | Adaptdefy Ltd | Mobility chairs and retention systems for mobility chairs |
| CN114272030B (en) * | 2021-11-30 | 2024-03-12 | 浙江孚邦科技有限公司 | Wheelchair pedal folding mechanism |
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| WO2011163283A2 (en) * | 2010-06-22 | 2011-12-29 | Wilson Harold R | Wheelchair lift transfer device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107320255A (en) | 2017-11-07 |
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