CN114259345B - Wheelchair convenient to fold and having damping function - Google Patents
Wheelchair convenient to fold and having damping function Download PDFInfo
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- CN114259345B CN114259345B CN202111455329.3A CN202111455329A CN114259345B CN 114259345 B CN114259345 B CN 114259345B CN 202111455329 A CN202111455329 A CN 202111455329A CN 114259345 B CN114259345 B CN 114259345B
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- outer frame
- guide groove
- inner frame
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- 238000013016 damping Methods 0.000 title claims abstract description 27
- 230000035939 shock Effects 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The invention provides a wheelchair with a damping function, which comprises an outer frame and an inner frame, wherein the outer frame is arranged on two sides of the wheelchair, the inner frame is arranged on the inner side of the outer frame, damping components are arranged on the outer frame and the inner frame on the same side in the front-back direction of the wheelchair, an adjusting structure for adjusting the height of the inner frame is arranged on the outer frame and the inner frame, the adjusting structure comprises a strip-shaped guide groove I and a guide groove II which are arranged in the middle and the rear end positions of the outer frame, and a guide groove III which is arranged in the front end position of the inner frame, the length directions of the guide groove I, the guide groove II and the guide groove III are consistent and are mutually parallel to the vertical direction.
Description
Technical Field
The invention relates to the field of wheelchairs, in particular to a wheelchair which is convenient to fold and has a damping function.
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.
However, the existing folding wheelchair has no damping effect, so that the patient is easy to jolt and tired when sitting, has no locking function, and is easy to fold when unfolding and use, and is extremely inconvenient.
Disclosure of Invention
The invention provides a wheelchair which is convenient to fold and has a damping function, and aims to solve the problems that the existing folding wheelchair provided in the background art does not have the damping effect, a patient is easy to jolt and tired when sitting, has no locking function, is easy to fold when unfolded and used, is extremely inconvenient and the like.
The technical scheme of the invention is realized as follows:
the utility model provides a wheelchair convenient to fold and have shock-absorbing function, including the outer frame of wheelchair both sides and be located the inboard inner frame of outer frame, the shock-absorbing module is all installed to the outer frame of homonymy and inner frame in the fore-and-aft direction of wheelchair, shock-absorbing module sets up four sets of altogether, four sets of shock-absorbing module are high setting in the horizontal direction, the upper end and the inner frame of every group of shock-absorbing module link to each other, the lower extreme links to each other with the outer frame, and be equipped with the adjustment structure that is used for being convenient for adjust the inner frame height on outer frame and inner frame, the adjustment structure is including seting up rectangular shape guide way one and the guide way second in outer frame middle and rear end position and seting up the guide way third in the inner frame front end position, guide way second and guide way third's length direction are unanimous and with vertical direction mutual parallel arrangement, the centre of inner frame and rear end position, the front end position of outer frame all install link up in guide way second and guide way third bolt, the terminal installation nut realizes the connection of outer frame and inner frame.
Preferably, the back support comprises a back support frame which is arranged vertically, wherein the back support frame is composed of two hollow pipes, the top ends of the hollow pipes are bent outwards to form pushing hands, two supporting rods which form an X shape are hinged to the lower portion of the back support frame, a control assembly is arranged between the pushing hands, a horizontal forward bearing rod is arranged at the center of the back support frame, bearing cloth is arranged between the bearing rods and between the back support frames, an armrest frame is arranged on the upper surface of the bearing rod, the bottom of the back support frame is connected with an inner frame, and front wheels and rear wheels are arranged on the outer frame.
Preferably, the control assembly comprises a top and two limiting grooves with two openings at two ends and two control rods, one end of each control rod extends into and is hinged to the inside of each limiting groove, a connecting hole is formed in the other end of each control rod, a limiting screw is mounted on the top thread of each limiting groove, each limiting screw is located between two control rods, a butterfly make-up limiting block is arranged on each limiting screw, and each limiting block is pressed on each control rod.
Preferably, the damping component comprises a vertical barrel with an opening at the bottom, a vertical rod is movably mounted in the vertical barrel, connecting parts are arranged at the top of the vertical barrel and the bottom of the vertical rod, positioning rings are mounted on the connecting parts, damping springs are arranged between the positioning rings, and fixing holes are formed in the connecting parts.
Preferably, the front end of the bearing rod is provided with a bent rod bent downwards, the center part of the bent rod is connected with the inner frame through a connecting rod, and the bottom of the bent rod is provided with a pedal.
Preferably, the handrail frame is provided with an adjusting port in a penetrating way, a T-shaped lifting handrail is arranged on the handrail frame, the bottom of the lifting handrail is inserted into the adjusting port, and an adjusting bolt which is correspondingly matched with the lifting handrail is arranged on the outer side of the adjusting port.
Preferably, a first brake assembly is arranged below the pushing handle, and a brake end of the first brake assembly acts on the rear wheel.
Preferably, auxiliary wheels are arranged on two sides of the bottom of the outer frame.
Preferably, a control ring is arranged on the outer side of the rear wheel.
Preferably, a second brake assembly is arranged on the outer side of the outer frame, and acts on the rear wheel.
By adopting the technical scheme, the invention has the beneficial effects that:
according to the wheelchair, the outer frame is arranged to separate the front wheel from the rear wheel from the inner frame, the shock absorption assembly is used for connecting the outer frame with the inner frame, the shock absorption spring is used for reducing the transmission of shock, so that a patient can use the wheelchair more comfortably, and meanwhile, the control assembly is used for limiting and fixing the pushing hands, so that the wheelchair is folded and unfolded to be fixed, and the wheelchair is convenient to use.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a rear view of the present invention;
FIG. 4 is a schematic view of the control assembly of the present invention when deployed;
FIG. 5 is a schematic view of the control assembly of the present invention when folded
FIG. 6 is a schematic view of the shock absorbing assembly of the present invention;
FIG. 7 is a perspective view I of the connection of the single-sided outer frame to the inner frame of the present invention;
FIG. 8 is a second perspective view of the connection of the single-sided outer frame to the inner frame of the present invention;
FIG. 9 is a perspective view of a single-sided inner frame of the present invention;
fig. 10 is a perspective view of a single-sided outer frame of the present invention.
Wherein:
1. a backrest frame; 2. a carrier bar; 3. an inner frame; 301. a guide groove III; 4. a curved bar; 5. a handrail frame; 6. an adjustment port; 7. lifting armrests; 8. a control assembly; 801. a control lever; 802. a limit groove; 803. a limit screw; 804. a connection hole; 9. a shock absorbing assembly; 901. a vertical tube; 902. a positioning ring; 903. a vertical rod; 904. a connection part; 905. a damping spring; 906. a fixing hole; 10. a carrier cloth; 11. pushing hands; 12. a first brake assembly; 13. a foot pedal; 14. an outer frame; 1401. a first guide groove; 1402. a second guide groove; 15. an auxiliary wheel; 16. a rear wheel; 17. a front wheel; 18. a control loop; 19. an adjusting bolt; 20. a support rod; 21. and a second brake assembly.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, a wheelchair with a damping function is convenient to fold, which comprises an outer frame 14 on two sides of the wheelchair and an inner frame 3 positioned on the inner side of the outer frame 14, wherein the outer frame 14 and the inner frame 3 on the same side are respectively provided with damping assemblies 9 in the front-rear direction of the wheelchair, the damping assemblies 9 in four groups are arranged at equal heights in the horizontal direction, the upper end of each damping assembly 9 is connected with the inner frame 3, the lower end of each damping assembly 9 is connected with the outer frame 14, an adjusting structure which is used for conveniently adjusting the height of the inner frame 3 is arranged on the outer frame 14 and the inner frame 3, the adjusting structure comprises a first strip-shaped guide groove 1401 and a second guide groove 1402 which are arranged in the middle and at the rear end of the outer frame 14, and a third guide groove 301 which is arranged at the front end of the inner frame 3, the first guide groove 1401, the second guide groove 1402 and the third guide groove 301 are consistent in the length direction and are arranged in parallel to each other in the vertical direction, the front end position of the outer frame 14 is respectively provided with an adjusting structure which is used for conveniently adjusting the height of the inner frame 3, and the screw nuts 14 are arranged on the outer frame 14 and the inner frame 3, and the screw nuts 14 are arranged on the front end of the outer frame 3, and the screw frame 3 are arranged in order to realize the effect that the whole height is stable.
Specifically, still include the back frame 1 of vertical setting, back frame 1 comprises two air traffic control tubes, and the top of air traffic control tube outwards bends and forms pushing hands 11, and the lower part of back frame 1 articulates and is provided with two bracing pieces 20 that constitute X formula, is provided with control assembly 8 between two pushing hands 11, and the central point of back frame 1 puts and is provided with the preceding carrier bar 2 of level, is provided with the carrier cloth 10 between two carrier bars 2 and between back frame 1, and the upper surface of carrier bar 2 is provided with handrail frame 5, and the bottom of back frame 1 is connected with interior frame 3, installs front wheel 17 and rear wheel 16 on the outer frame 14.
Specifically, the control assembly 8 comprises a limit groove 802 with openings at the top and two ends and two control rods 801, one end of each control rod 801 extends into the limit groove 802 and is hinged to the inside of the corresponding control rod 801, the other end of each control rod is provided with a connecting hole 804, the control assembly 8 is fixedly connected with the pushing hand 11 through the connecting hole 804, a limit screw 803 is arranged on the top thread of each limit groove 802, the limit screw 803 is positioned between the two control rods 801, a butterfly-shaped limit block is arranged on each limit screw 803, and the limit block is pressed on each control rod 801; when the wheelchair is unfolded, the limiting screw 803 is rotated, the butterfly-shaped limiting block is pressed on the control rod 801, and the butterfly-shaped limiting block is used for limiting and fixing the control rod 801, so that the control rod 801 cannot be bent, and the wheelchair is kept in an unfolded state; when the wheelchair is folded, the limiting screw 803 is rotated, the butterfly-shaped limiting block is moved away from the control rod 801, the control rod 801 loses the extrusion of the limiting block, the control rod 801 can be freely bent, and the wheelchair is folded.
Specifically, the damping component 9 comprises a vertical barrel 901 with an opening at the bottom, a vertical rod 903 is movably arranged in the vertical barrel 901, a connecting part 904 is arranged at the top of the vertical barrel 901 and at the bottom of the vertical rod 903, positioning rings 902 are arranged on the connecting part 904, a damping spring 905 is arranged between the two positioning rings 902, a fixing hole 906 is arranged on the connecting part 904, and the damping component 9 is respectively connected with the inner frame 3 and the outer frame 14 through the fixing hole 906; so set up, utilize the self elasticity of damping spring 905, the vibrations that the road surface jolt produced are subtracted, make the intensity of vibrations reduce by a wide margin, improve user's comfort level.
Specifically, the front end of the bearing rod 2 is provided with a bent rod 4 bent downwards, the center part of the bent rod 4 is connected with the inner frame 3 through a connecting rod, and the bottom of the bent rod 4 is provided with a pedal 13; the foot rest of the patient is convenient by arranging the foot rest 13.
Specifically, the armrest frame 5 is provided with an adjusting port 6 in a penetrating way, the armrest frame 5 is provided with a T-shaped lifting armrest 7, the bottom of the lifting armrest 7 is inserted into the adjusting port 6, and the outer side of the adjusting port 6 is provided with an adjusting bolt 19 correspondingly matched with the lifting armrest 7; so set up, offered the through-hole on the bottom of lifting handle 7, through making adjusting bolt 19 and the cooperation of different through-holes, reach the purpose of adjusting lifting handle 7 height, make it satisfy the use to the patient of different heights.
Specifically, a first brake assembly 12 is arranged below the push handle 11, and the brake end of the first brake assembly 12 acts on the rear wheel 16; the first brake assembly 12 and the second brake assembly 21 are all common techniques in the prior art, and can brake and fix the rear wheel 16, and the specific structure and the working principle thereof are not described in detail herein, so that a person pushing the wheelchair can conveniently control the wheelchair to stop by arranging the first brake pad.
Specifically, auxiliary wheels 15 are mounted on both sides of the bottom of the outer frame 14.
Specifically, the outer side of the rear wheel 16 is provided with a control ring 18; the patient can conveniently control the movement of the wheelchair by himself by providing the control loop 18.
Specifically, the outer side of the outer frame 14 is provided with a second brake assembly 21, and the second brake assembly 21 acts on the rear wheel 16; the second brake pad is arranged, so that a patient can conveniently control the wheelchair to stop by himself.
Working principle:
when the wheelchair is unfolded, the limiting screw 803 is rotated, the butterfly-shaped limiting block is pressed on the control rod 801, and the butterfly-shaped limiting block is used for limiting and fixing the control rod 801, so that the control rod 801 cannot be bent, and the wheelchair is kept in an unfolded state; when the wheelchair is folded, the limiting screw 803 is rotated, the butterfly-shaped limiting block is moved away from the control rod 801, the control rod 801 loses extrusion of the limiting block, the control rod 801 can be freely bent, and the wheelchair is folded; the front wheel 17 and the rear wheel 16 are separated from the inner frame 3 by arranging the outer frame 14, the outer frame 14 and the inner frame 3 are connected by the shock absorption assembly 9, and the shock transmission is reduced by the shock absorption spring 905, so that the patient can use the bicycle more comfortably.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. Wheelchair convenient to fold and have shock-absorbing function, its characterized in that: the wheelchair comprises an outer frame (14) on two sides of the wheelchair and an inner frame (3) positioned on the inner side of the outer frame (14), wherein the outer frame (14) and the inner frame (3) on the same side are respectively provided with damping components (9) in the front-rear direction of the wheelchair, the damping components (9) are arranged in four groups, the four groups of damping components (9) are arranged at equal heights in the horizontal direction, the upper end of each group of damping components (9) is connected with the inner frame (3), the lower end of each group of damping components is connected with the outer frame (14), and an adjusting structure which is used for conveniently adjusting the height of the inner frame (3) is arranged on the outer frame (14) and the inner frame (3); the adjusting structure comprises a first strip-shaped guide groove (1401) and a second strip-shaped guide groove (1402) which are arranged in the middle and at the rear end of the outer frame (14), and a third guide groove (301) which is arranged at the front end of the inner frame (3), wherein the first guide groove (1401), the second guide groove (1402) and the third guide groove (301) are consistent in length direction and are mutually parallel to the vertical direction, bolts penetrating through the first guide groove (1401), the second guide groove (1402) and the third guide groove (301) are arranged in the middle and at the rear end of the inner frame (3) and at the front end of the outer frame (14), and nuts are arranged at the tail ends of the bolts to connect the outer frame (14) and the inner frame (3);
the novel back rest comprises a back rest frame (1) which is vertically arranged, wherein the back rest frame (1) is formed by two hollow pipes, the top ends of the hollow pipes are outwards bent to form push handles (11), two support rods (20) which form an X shape are hinged to the lower part of the back rest frame (1), a control assembly (8) is arranged between the push handles (11), a horizontal forward bearing rod (2) is arranged at the central position of the back rest frame (1), bearing cloths (10) are arranged between the two bearing rods (2) and between the back rest frames (1), an armrest frame (5) is arranged on the upper surface of each bearing rod (2), the bottom of the back rest frame (1) is connected with an inner frame (3), and a front wheel (17) and a rear wheel (16) are arranged on an outer frame (14);
the control assembly (8) comprises a top and two limiting grooves (802) with two openings at two ends and two control rods (801), one end of each control rod (801) stretches into and is hinged to the inside of each limiting groove (802), a connecting hole (804) is formed in the other end of each control rod, limiting screws (803) are installed on the top threads of each limiting groove (802), each limiting screw (803) is located between two control rods (801), and a butterfly make-up limiting block is arranged on each limiting screw (803) and is pressed on each control rod (801).
2. A wheelchair with a shock absorbing function for easy folding according to claim 1, wherein: the damping component (9) comprises a vertical barrel (901) with an opening at the bottom, a vertical rod (903) is movably mounted in the vertical barrel (901), connecting portions (904) are arranged at the top of the vertical barrel (901) and the bottom of the vertical rod (903), positioning rings (902) are mounted on the connecting portions (904), damping springs (905) are arranged between the positioning rings (902), and fixing holes (906) are formed in the connecting portions (904).
3. A wheelchair with a shock absorbing function for easy folding according to claim 1, wherein: the front end of the bearing rod (2) is provided with a bent rod (4) bent downwards, the center part of the bent rod (4) is connected with the inner frame (3) through a connecting rod, and the bottom of the bent rod (4) is provided with a pedal plate (13).
4. A wheelchair with a shock absorbing function for easy folding according to claim 1, wherein: the handrail frame (5) runs through and has offered regulation mouth (6), install lift handrail (7) of T type on handrail frame (5), just the bottom of lift handrail (7) is inserted in regulation mouth (6), the outside of regulation mouth (6) be provided with lift handrail (7) correspond complex adjusting bolt (19).
5. A wheelchair with a shock absorbing function for easy folding according to claim 1, wherein: a first brake assembly (12) is arranged below the pushing handle (11), and the brake end of the first brake assembly (12) acts on the rear wheel (16).
6. A wheelchair with a shock absorbing function for easy folding according to claim 1, wherein: auxiliary wheels (15) are arranged on two sides of the bottom of the outer frame (14).
7. A wheelchair with a shock absorbing function for easy folding according to claim 1, wherein: the outside of rear wheel (16) is provided with control ring (18), the outside of outer frame (14) is provided with second brake subassembly (21), and second brake subassembly (21) acts on rear wheel (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111455329.3A CN114259345B (en) | 2021-12-01 | 2021-12-01 | Wheelchair convenient to fold and having damping function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111455329.3A CN114259345B (en) | 2021-12-01 | 2021-12-01 | Wheelchair convenient to fold and having damping function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114259345A CN114259345A (en) | 2022-04-01 |
| CN114259345B true CN114259345B (en) | 2023-10-31 |
Family
ID=80826288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111455329.3A Active CN114259345B (en) | 2021-12-01 | 2021-12-01 | Wheelchair convenient to fold and having damping function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114259345B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106214373A (en) * | 2016-08-15 | 2016-12-14 | 广东技术师范学院 | A kind of Self-aiding type wheelchair |
| DE202017006531U1 (en) * | 2017-12-20 | 2018-04-12 | Nanjing Jin Bai He Medical Apparatus Co., Ltd. | Electric wheelchair foldable by sliding the backrest |
| CN213963996U (en) * | 2020-11-13 | 2021-08-17 | 佛山市南海德洋创展康复器材有限公司 | Wheel chair |
| CN113520739A (en) * | 2021-04-16 | 2021-10-22 | 安徽金百合医疗器械有限公司 | Portable folding electric wheelchair with shock-absorbing function |
| CN214596225U (en) * | 2020-12-30 | 2021-11-05 | 广东凯洋医疗科技集团有限公司 | Wheelchair convenient to fold and drag and having lifting function |
-
2021
- 2021-12-01 CN CN202111455329.3A patent/CN114259345B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106214373A (en) * | 2016-08-15 | 2016-12-14 | 广东技术师范学院 | A kind of Self-aiding type wheelchair |
| DE202017006531U1 (en) * | 2017-12-20 | 2018-04-12 | Nanjing Jin Bai He Medical Apparatus Co., Ltd. | Electric wheelchair foldable by sliding the backrest |
| CN213963996U (en) * | 2020-11-13 | 2021-08-17 | 佛山市南海德洋创展康复器材有限公司 | Wheel chair |
| CN214596225U (en) * | 2020-12-30 | 2021-11-05 | 广东凯洋医疗科技集团有限公司 | Wheelchair convenient to fold and drag and having lifting function |
| CN113520739A (en) * | 2021-04-16 | 2021-10-22 | 安徽金百合医疗器械有限公司 | Portable folding electric wheelchair with shock-absorbing function |
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| Publication number | Publication date |
|---|---|
| CN114259345A (en) | 2022-04-01 |
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