CN215689181U - Wheel chair - Google Patents
Wheel chair Download PDFInfo
- Publication number
- CN215689181U CN215689181U CN202021918999.5U CN202021918999U CN215689181U CN 215689181 U CN215689181 U CN 215689181U CN 202021918999 U CN202021918999 U CN 202021918999U CN 215689181 U CN215689181 U CN 215689181U
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- base
- shock attenuation
- wheelchair
- attenuation board
- supporting seat
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Abstract
The utility model relates to the technical field of wheelchairs, in particular to a wheelchair which comprises a base, wherein the top of the base is connected with a backrest through a bolt, the right side of the backrest, which is positioned on the base, is connected with a handrail through a bolt, the bottom of the base is connected with a supporting box through a bolt, the left side of the supporting box is rotatably connected with a rear wheel, the right side of the supporting box is connected with a supporting seat through a bolt, the top of the supporting seat is provided with a damping mechanism, and the right side of the backrest, which is positioned on the top of the base, is provided with a damping device. According to the utility model, by arranging the damping mechanism, when the wheelchair jolts, the damping mechanism is driven to operate mutually among the structures in the damping mechanism, so that the effect of reducing the overall up-and-down jolting amplitude of the wheelchair is achieved, and the effect of buffering and damping is achieved, thereby improving the riding comfort of a user, and the effect of improving the use comfort of the wheelchair while achieving the damping effect by utilizing the operation among the mechanisms in the damping device is achieved.
Description
Technical Field
The utility model relates to the technical field of wheelchairs, in particular to a wheelchair.
Background
The wheelchair is an important rehabilitation tool, is not only a walking tool for physically disabled persons and mobility-handicapped persons, but also is more important for the physically disabled persons and the mobility-handicapped persons to exercise and participate in social activities by means of the wheelchair.
At present, though the trip problem has been solved to the wheelchair that has now on the market, it still remains to improve its travelling comfort of taking, on present traditional wheelchair owing to do not set up buffering damping device, can't cushion the shock attenuation when the wheelchair meets rough road or road surface condition relatively poor, can make the wheelchair jolt more than, take travelling comfort greatly reduced, also do not set up the effect that reduces vibrations on the cushion of some wheelchairs, in time go and also can lead to sitting uncomfortable because of sitting for a long time on gentle wheel face, in view of this, we provide a wheelchair.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wheelchair, which solves the problems of more vibration, easiness in bumping and low riding comfort of the wheelchair.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a wheelchair, includes the base, there is the back at the top of base through bolted connection, there is the handrail on the right side that the base is located the back through bolted connection, there is a supporting box bottom of base through bolted connection, the left side of supporting box is rotated and is connected with the rear wheel, there is the supporting seat on the right side of supporting box through bolted connection, the top of supporting seat is provided with damper, the right side that the top of base is located the back is provided with the shake reducing device.
Preferably, the number of the supporting seats is two, the two supporting seats are symmetrically distributed by taking the central line of the base as a symmetry axis respectively, and the rear wheel is made of natural rubber.
Preferably, damper is including the pivot, the both ends of pivot all are connected with the inside rotation of supporting seat, shock attenuation board and back shock attenuation board before the surface rotation of pivot is connected with, preceding shock attenuation board is located the front portion of back shock attenuation board, the surface of preceding shock attenuation board and back shock attenuation board has welded the tip spring respectively, the welding has transverse spring between preceding shock attenuation board and the back shock attenuation board, the both sides of preceding shock attenuation board and back shock attenuation board have all welded the cursor slide, the top of preceding shock attenuation board and back shock attenuation board is all rotated and is connected with the gyro wheel.
Preferably, the bottom end of the inclined spring is welded and fixed with the top of the supporting seat, the two ends of the sliding arm are connected with the bottom of the base in a sliding mode, and the surface of the roller is connected with the bottom of the base in a sliding mode.
Preferably, the shake reducing device is including having the elasticity cushion, the surface of elasticity cushion and the inside sliding connection of base, the bottom welding of elasticity cushion has the arc, vertical spring has all been welded with the top in the bottom of arc, the telescopic link has been cup jointed to the inside of vertical spring.
Preferably, the inside of elasticity cushion is provided with a plurality of little springs, the bottom of arc is fixed with the inner wall joint of base, the quantity of vertical spring sets up to three, and three vertical spring uses the central line of elasticity cushion as symmetry axis symmetric distribution respectively.
By means of the technical scheme, the utility model provides a wheelchair. The method at least has the following beneficial effects:
(1) according to the utility model, by arranging the damping mechanism, the wheelchair drives the mutual operation among all structures in the damping mechanism when bumping, so that the effect of reducing the up-and-down bumping amplitude of the wheelchair is achieved, and the effect of buffering and damping is further achieved, thus the comfort level of a user is increased, and the effect of improving the use comfort level of the wheelchair while achieving the damping effect by arranging the damping device is achieved.
(2) The damping device is arranged, and the effect of increasing the damping force is achieved by utilizing the mutual operation among all structures in the damping device, so that the effect of damping the wheelchair body is further achieved, and the effect of improving the use comfort of wheelchair users is achieved.
(3) According to the utility model, the plurality of small springs and the arc-shaped plates are arranged in the elastic cushion, so that a user can feel softer and more elastic when sitting, and a more comfortable effect is achieved, thereby achieving the effect of improving the use comfort of the wheelchair while achieving the damping effect.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the damping mechanism according to the present invention;
FIG. 3 is a schematic view of the structure of the support box according to the present invention;
FIG. 4 is a schematic view of the structure of the seismic reduction device of the present invention.
In the figure: 1. a base; 2. a backrest; 3. a handrail; 4. a support box; 5. a rear wheel; 6. a supporting seat; 7. a damping mechanism; 71. a rotating shaft; 72. a front shock absorbing plate; 73. a rear shock absorbing plate; 74. a tilt spring; 75. a lateral spring; 76. a slide arm; 77. a roller; 8. a shock reducing device; 81. an elastic cushion; 82. an arc-shaped plate; 83. a vertical spring; 84. a telescopic rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A wheelchair comprises a base 1, wherein the top of the base 1 is connected with a backrest 2 through bolts, the right side of the base 1, which is positioned on the backrest 2, is connected with an armrest 3 through bolts, the bottom of the base 1 is connected with a supporting box 4 through bolts, the left side of the supporting box 4 is rotatably connected with a rear wheel 5, the right side of the supporting box 4 is connected with a supporting seat 6 through bolts, the top of the supporting seat 6 is provided with a damping mechanism 7, and the right side of the base 1, which is positioned on the backrest 2, is provided with a damping device 8.
In this embodiment, the quantity of supporting seat 6 sets up to two, and two supporting seats 6 use base 1's central line respectively as symmetry axis symmetric distribution, the material of rear wheel 5 sets up to the natural rubber material, quantity through setting up supporting seat 6 is two, a supporting seat 6 corresponds a rear wheel 5, reach two damper 7 and carry out the effect that the shock attenuation was cushioned to two rear wheels 5 respectively simultaneously, further reach the better mesh of messenger's buffering shock attenuation effect, the natural rubber material has good elasticity, reach the holistic shock attenuation effect of rear wheel 5 for the natural rubber material through the material of setting up rear wheel 5, thereby reach the whole effect that reduces vibrations of wheel chair, reach more comfortable effect of user when using.
Further, the damping mechanism 7 comprises a rotating shaft 71, two ends of the rotating shaft 71 are rotatably connected with the inside of the supporting seat 6, the surface of the rotating shaft 71 is rotatably connected with a front damping plate 72 and a rear damping plate 73, the front damping plate 72 is positioned in front of the rear damping plate 73, the surfaces of the front damping plate 72 and the rear damping plate 73 are respectively welded with an inclined spring 74, a transverse spring 75 is welded between the front damping plate 72 and the rear damping plate 73, two sides of the front damping plate 72 and the rear damping plate 73 are respectively welded with a slide arm 76, the tops of the front damping plate 72 and the rear damping plate 73 are respectively rotatably connected with a roller 77, through setting up damper 7, the wheelchair drives the inter operation between each inside structure of damper 7 when taking place to jolt and reaches the range effect that reduces the wheelchair and jolt from top to bottom, further reaches the whole absorbing effect of buffering of wheelchair to reach the effect that increases user's comfort level.
Furthermore, the bottom end of the inclined spring 74 is welded and fixed with the top of the supporting seat 6, the two ends of the slide arm 76 are connected with the bottom of the base 1 in a sliding manner, the surface of the roller 77 is connected with the bottom of the base 1 in a sliding manner, the effect of limiting the included angle between the front damping plate 72 and the supporting seat 6 and the included angle between the rear damping plate 73 and the supporting seat 6 are achieved by arranging the inclined spring 74, the resistance is changed by the elastic force of the inclined spring 74 when the included angle between the front damping plate 72 and the supporting seat 6 is reduced, the buffering effect is increased by increasing the resistance, the effect of connecting the whole damping mechanism 7 with the base 1 is achieved by arranging the slide arm 76, so that the effect of buffering and damping the whole base 1 by using the damping mechanism 7 is achieved, the effect of reducing the friction between the front damping plate 72 and the bottom of the rear damping plate 73 when rotating is achieved by arranging the roller 77, the damage caused by the friction is further reduced, the effect of prolonging the service life of the damping mechanism 7 is achieved.
Example 2
As shown in fig. 4, the vibration reducing device 8 comprises an elastic cushion 81, the surface of the elastic cushion 81 is slidably connected with the inside of the base 1, an arc-shaped plate 82 is welded at the bottom of the elastic cushion 81, vertical springs 83 are welded at the bottom and the top of the arc-shaped plate 82, a telescopic rod 84 is sleeved inside the vertical springs 83, the telescopic rod 84 is arranged to achieve the limiting effect, the telescopic rod 84 not only limits the movement track of the vertical spring 83, but also limits the elastic cushion 81 to move up and down at the same level, so as to achieve the effect of avoiding the integral inclination of the elastic cushion 81 caused by uneven stress, by arranging the arc-shaped plate 82 into a semi-circular arc shape, the arc-shaped plate 82 is provided with certain elasticity, the arc-shaped design can disperse the force when the top end of the arc-shaped plate is stressed, thereby reach and carry out absorbing effect with power dispersion, improve the buffering shock attenuation effect of cushion.
In this embodiment, a plurality of small springs are arranged inside the elastic cushion 81, the bottom of the arc-shaped plate 82 is fixed with the inner wall of the base 1 in a clamping manner, three vertical springs 83 are arranged, and the three vertical springs 83 are respectively symmetrically distributed by taking the central line of the elastic cushion 81 as a symmetry axis, the elastic cushion 81 has elastic force by arranging a plurality of small springs inside, thereby the force is dispersed by the elasticity of the small spring to achieve the effect of softness and comfort when in use, further achieving the effect of avoiding the uncomfortable feeling of the user due to sedentary sitting, the upper surface that is located arc 82 through setting up two vertical springs 83 reaches the even effect of elasticity cushion 81 both ends atress, and a vertical spring 83 is located the lower surface of arc 82, reaches the more even effect of the whole atress of elasticity cushion 81, makes the even shock-absorbing effect that increases the whole buffering of cushion that reaches of power dispersion.
When the wheelchair is used, when the wheelchair body meets uneven road surfaces in the driving process, the rear wheels 5 move up and down and simultaneously drive the supporting box 4 to bump up and down, the supporting box 4 drives the supporting seat 6 to move up and down, the supporting seat 6 drives the front damping plate 72 and the rear damping plate 73 to rotate up and down, the included angle between the front damping plate 72 and the rear damping plate 73 is larger than 90 degrees, the included angle between the front damping plate 72 and the rear damping plate 73 is larger and larger when the supporting seat 6 is upward, the distance between the front damping plate 72 and the rear damping plate 73 and the supporting seat 6 is closer and closer, the included angle between the front damping plate 72 and the rear damping plate 73 is smaller and smaller when the supporting seat 6 is downward, the distance between the front damping plate 72 and the rear damping plate 73 and the supporting seat 6 is farther and farther, and the transverse spring 75 between the front damping plate 72 and the rear damping plate 73 limits the change of the included angle between the front damping plate 72 and the rear damping plate 73 through the elasticity thereof, the change of the included angle between the front damping plate 72 and the rear damping plate 73 is reduced, the number of the inclined springs 74 is two, one is arranged at the front part of the front damping plate 72, and the other is arranged at the rear part of the rear damping plate 73, thereby achieving the effect of limiting the distance between the front damping plate 72 and the rear damping plate 73 and the supporting seat 6, the effect of reducing the up-and-down bumping amplitude of the rear wheel 5 is achieved by reducing the change of the included angle between the front damping plate 72 and the rear damping plate 73 and the change of the distance between the front damping plate 72 and the rear damping plate 73 and the supporting seat 6, further achieving the damping effect, reducing the discomfort of a user caused by the bumping of a wheelchair, the arc-shaped plate 82 is arranged to be semi-circular arc, has good elasticity, the user sits on the elastic cushion 81 when the wheelchair bumps, the effect of buffering and damping is achieved by connecting the arc-shaped plate 82 and the base 1, the number of the vertical springs 83 is three, two are arranged on the upper surface of the arc-shaped plate 82, one at the lower surface of arc 82 to reach the effect that increases the cushion effect, further reach wheelchair body buffering absorbing effect, when the user sits for a long time, make the wheelchair user more soft and elasticity when sitting through cushion 81 and arc 82, reach more comfortable effect, thereby improve wheelchair use comfort's effect when reaching the shock attenuation effect.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A wheelchair comprising a base (1), characterized in that: the utility model discloses a damping device, including base (1), bolted connection has back (2) at the top of base (1), there is handrail (3) on the right side that base (1) is located back (2) through bolted connection, there is supporting box (4) bottom of base (1) through bolted connection, the left side of supporting box (4) is rotated and is connected with rear wheel (5), there is supporting seat (6) on the right side of supporting box (4) through bolted connection, the top of supporting seat (6) is provided with damper (7), the right side that the top of base (1) is located back (2) is provided with and falls shakes device (8).
2. A wheelchair in accordance with claim 1, wherein: the quantity of supporting seat (6) sets up to two, and two supporting seats (6) use the central line of base (1) respectively as symmetry axis symmetric distribution, the material of rear wheel (5) sets up to the natural rubber material.
3. A wheelchair in accordance with claim 1, wherein: damper (7) are including pivot (71), the both ends of pivot (71) all are connected with the inside rotation of supporting seat (6), shock attenuation board (72) and back shock attenuation board (73) before the surface rotation of pivot (71) is connected with, preceding shock attenuation board (72) are located the front portion of back shock attenuation board (73), the surface of preceding shock attenuation board (72) and back shock attenuation board (73) has welded oblique spring (74) respectively, the welding has horizontal spring (75) between preceding shock attenuation board (72) and the back shock attenuation board (73), the both sides of preceding shock attenuation board (72) and back shock attenuation board (73) have all welded cursor slide (76), the top of preceding shock attenuation board (72) and back shock attenuation board (73) is all rotated and is connected with gyro wheel (77).
4. A wheelchair in accordance with claim 3, wherein: the bottom of inclined spring (74) and the top of supporting seat (6) welded fastening, the both ends of slide arm (76) all with the bottom sliding connection of base (1), the surface of gyro wheel (77) and the bottom sliding connection of base (1).
5. A wheelchair in accordance with claim 1, wherein: the utility model discloses a damping device, including damping device (8), damping device (8) is including having elasticity cushion (81), the inside sliding connection of the surface of elasticity cushion (81) and base (1), the bottom welding of elasticity cushion (81) has arc (82), vertical spring (83) have all been welded at the bottom and the top of arc (82), telescopic link (84) have been cup jointed to the inside of vertical spring (83).
6. A wheelchair in accordance with claim 5, wherein: the inside of elastic cushion (81) is provided with a plurality of little springs, the bottom of arc (82) is fixed with the inner wall joint of base (1), the quantity of vertical spring (83) sets up to three, and three vertical spring (83) use the central line of elastic cushion (81) respectively as symmetry axis symmetric distribution.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021918999.5U CN215689181U (en) | 2020-09-06 | 2020-09-06 | Wheel chair |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021918999.5U CN215689181U (en) | 2020-09-06 | 2020-09-06 | Wheel chair |
Publications (1)
Publication Number | Publication Date |
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CN215689181U true CN215689181U (en) | 2022-02-01 |
Family
ID=79984502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202021918999.5U Active CN215689181U (en) | 2020-09-06 | 2020-09-06 | Wheel chair |
Country Status (1)
Country | Link |
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CN (1) | CN215689181U (en) |
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2020
- 2020-09-06 CN CN202021918999.5U patent/CN215689181U/en active Active
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