CN219700344U - Electric wheelchair with damping function - Google Patents
Electric wheelchair with damping function Download PDFInfo
- Publication number
- CN219700344U CN219700344U CN202223551844.4U CN202223551844U CN219700344U CN 219700344 U CN219700344 U CN 219700344U CN 202223551844 U CN202223551844 U CN 202223551844U CN 219700344 U CN219700344 U CN 219700344U
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- Prior art keywords
- rod
- frame
- hinged
- supporting rod
- foot rest
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- 238000013016 damping Methods 0.000 title claims abstract description 15
- 230000035939 shock Effects 0.000 claims abstract description 29
- 235000004443 Ricinus communis Nutrition 0.000 claims abstract description 23
- 239000006096 absorbing agent Substances 0.000 claims abstract description 15
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000002788 crimping Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Handcart (AREA)
Abstract
The utility model discloses an electric wheelchair with a damping function, which comprises a backrest frame, a cushion frame, an armrest frame component and a foot rest component; the middle part of the backrest frame is in folding fit with the rear end of the cushion frame through the armrest frame component, the lower end of the backrest frame is in folding fit with the rear end of the foot rest component, the front end of the cushion frame is in folding fit with the front end of the foot rest component, and the front end and the rear end of the foot rest component are respectively provided with a front universal castor and a rear power castor which are electrically connected with the controller; the cushion frame is characterized in that a shock absorber is arranged between the rear end of the cushion frame and the rear end of the foot rest assembly, the front universal castor is arranged on the front fork, and the front end of the foot rest assembly is placed on the front fork through a damping spring. The shock absorber is arranged between the cushion frame and the rear end of the foot rest assembly, and the shock absorption spring is arranged between the front end of the foot rest assembly and the front caster, so that the wheelchair has certain shock absorption in front and back, and the riding comfort is improved.
Description
Technical Field
The utility model relates to an electric wheelchair, in particular to an electric wheelchair with a damping function.
Background
The chinese patent application No. 201910351928.7 discloses an electric wheelchair on the day 7 and 16 of 2019, which comprises a wheelchair body, a motor arranged on a rear wheel of the wheelchair body, a first battery box which extends obliquely downwards to a rear wheel position and is communicated with the motor, a second battery box which extends obliquely downwards to the rear wheel position and is arranged on a handrail frame on the other side of the wheelchair body, a first storage battery which is communicated with the motor and a second storage battery which is inserted into the first battery box for standby. The electric wheelchair with the structure has no shock absorption and buffering, and the riding comfort is affected.
Disclosure of Invention
The utility model aims to provide an electric wheelchair with a damping function, which is reasonable in structure and adjustable in height.
The purpose of the utility model is realized in the following way:
an electric wheelchair with a damping function comprises a backrest frame, a cushion frame, an armrest frame component and a foot rest component; the middle part of the backrest frame is in folding fit with the rear end of the cushion frame through the armrest frame component, the lower end of the backrest frame is in folding fit with the rear end of the foot rest component, the front end of the cushion frame is in folding fit with the front end of the foot rest component, and the front end and the rear end of the foot rest component are respectively provided with a front universal castor and a rear power castor which are electrically connected with the controller; the method is characterized in that: the cushion frame is characterized in that a shock absorber is arranged between the rear end of the cushion frame and the rear end of the foot rest assembly, the front universal castor is arranged on the front fork, and the front end of the foot rest assembly is placed on the front fork through a damping spring.
The aim of the utility model can be also solved by adopting the following technical measures:
as a more specific scheme, the foot rest assembly comprises a left main supporting rod, a right main supporting rod, a rear supporting rod, a front supporting rod and a linkage rod, one end of the rear supporting rod is hinged with the rear section of the main supporting rod, the other end of the rear supporting rod is hinged with the lower end of the backrest frame and the rear end of the linkage rod, the two rear supporting rods are connected through a rear cross rod, the lower end of the shock absorber is connected with the rear cross rod, and the upper end of the shock absorber is connected with the rear end of the cushion frame; the bottom of the front end of the cushion frame is provided with a hinge lug, the front end of the main support rod and the upper end of the front support rod are hinged with the hinge lug, and the front end of the linkage rod is hinged with the lower end of the front support rod.
As a further scheme, the shock absorber comprises an upper joint, a compression spring, a retainer ring and a lower joint, wherein a guide post is arranged at the bottom of the upper joint, a guide sleeve is arranged at the upper part of the lower joint, a guide hole spliced with the guide post is arranged in the guide sleeve, the retainer ring is in threaded connection with the periphery of the guide sleeve, and the compression spring is sleeved outside the guide sleeve and is in compression joint between the upper joint and the retainer ring; the rear end of the cushion frame extends to form an upper hinge arm which is hinged with the upper joint; the rear cross bar extends to form a lower hinge arm, and the lower hinge arm is hinged with the lower joint.
As a further scheme, the lower extreme of preceding vaulting pole still is equipped with the support cover, the front fork upper end is equipped with the guiding axle, the guiding axle passes behind the damping spring rotate and upper and lower sliding fit with the support cover, damping spring crimping is between front fork and support cover.
As a further proposal, a front cross rod is arranged between the two front supporting rods, the front cross rod is provided with a limiting hinged support, and the limiting hinged support is hinged with the pedal plate.
As a further scheme, the rear power castor is arranged at the rear end of the main support rod, and brake rubber is arranged on the periphery of the main support rod corresponding to the rear power castor and is in transmission connection with the pull rod.
As a further scheme, a fixing frame is further arranged between the two main supporting rods, a battery and the controller are arranged on the fixing frame, and the battery and the rear power castor are respectively and electrically connected with the controller; the armrest frame assembly is provided with a controller, and the controller is electrically connected with the controller.
As a further scheme, the armrest frame assembly comprises an armrest, a movable joint, a first connecting rod and a second connecting rod, the rear end of the armrest is hinged with the backrest frame, the front end and the rear end of the movable joint are respectively buckled and hinged with the armrest, the lower end of the movable joint is hinged with the upper end of the first connecting rod, the lower end of the first connecting rod is hinged with the front end of the second connecting rod and the cushion frame, and the rear end of the second connecting rod is hinged with the backrest frame.
As a further scheme, the rear supporting rod is positioned at the upper part of the main supporting rod, a clamping seat is arranged on the main supporting rod corresponding to the rear supporting rod, a lock rod is further arranged at the front end of the rear supporting rod, and a lock hook is rotatably arranged on the main supporting rod and used for being buckled with the lock rod. When the electric wheelchair is in a normal use state, the lock hook is buckled with the lock rod, so that the wheelchair frame is prevented from being folded due to misoperation.
As a further scheme, the rear end of the main supporting rod is also provided with a lower bent tail hook, and the lower end of the lower bent tail hook is provided with a tail supporting caster; the backrest frame is provided with a backrest cushion, and the cushion frame is provided with a cushion.
The beneficial effects of the utility model are as follows:
the shock absorber is arranged between the cushion frame and the rear end of the foot rest assembly, and the shock absorption spring is arranged between the front end of the foot rest assembly and the front caster, so that the wheelchair has certain shock absorption in front and back, and the riding comfort is improved.
Drawings
Fig. 1 is a schematic diagram of a frame structure of an electric wheelchair according to an embodiment of the utility model.
Fig. 2 is a schematic view of another angle structure of fig. 1.
Fig. 3 is a schematic structural view of the electric wheelchair of the present utility model.
Fig. 4 is a schematic rear view of the present utility model.
Fig. 5 is a schematic view of the cross-sectional A-A structure of fig. 4.
Fig. 6 is an enlarged schematic view of the structure at B in fig. 5.
Fig. 7 is a schematic cross-sectional view of the electric wheelchair of the present utility model.
Fig. 8 is an enlarged schematic view of fig. 7 at C.
Detailed Description
The utility model is further described below with reference to the accompanying drawings and examples:
referring to fig. 1 to 8, an electric wheelchair with a shock absorbing function includes a back frame 1, a seat cushion frame 2, an armrest frame assembly 20, and a foot rest assembly 10; the middle part of the backrest frame 1 is in folding fit with the rear end of the cushion frame 2 through the armrest frame assembly 20, the lower end of the backrest frame 1 is in folding fit with the rear end of the foot rest assembly 10, the front end of the cushion frame 2 is in folding fit with the front end of the foot rest assembly 10, the front end and the rear end of the foot rest assembly 10 are respectively provided with a front universal castor 6 and a rear power castor 7, and the rear power castor 7 is electrically connected with the controller 40; a shock absorber 4 is arranged between the rear end of the cushion frame 2 and the rear end of the foot rest assembly 10, the front universal castor 6 is arranged on the front fork 61, and the front end of the foot rest assembly 10 is supported on the front fork 61 through a shock absorption spring 62.
The foot rest assembly 10 comprises a left main supporting rod 3, a right main supporting rod 31, a front supporting rod 35 and a linkage rod 34, one end of the rear supporting rod 31 is hinged with the rear section of the main supporting rod 3, the other end of the rear supporting rod 31 is hinged with the lower end of the backrest frame 1 and the rear end of the linkage rod 34, the two rear supporting rods 31 are connected through a rear cross rod 32, the lower end of the shock absorber 4 is connected with the rear cross rod 32, and the upper end of the shock absorber 4 is connected with the rear end of the cushion frame 2; the bottom of the front end of the cushion frame 2 is provided with a hinge lug 22, the front end of the main support rod 3 and the upper end of the front support rod 35 are hinged with the hinge lug 22, and the front end of the linkage rod 34 is hinged with the lower end of the front support rod 35.
The shock absorber 4 comprises an upper joint 41, a compression spring 44, a retainer ring 48 and a lower joint 45, wherein a guide post 42 is arranged at the bottom of the upper joint 41, a guide sleeve 46 is arranged at the upper part of the lower joint 45, a guide hole 47 spliced with the guide post 42 is formed in the guide sleeve 46, the retainer ring 48 is in threaded connection with the periphery of the guide sleeve 46, and the compression spring 44 is sleeved outside the guide sleeve 46 and is in compression joint between the upper joint 41 and the retainer ring 48; the rear end of the cushion frame 2 is extended with an upper articulated arm 21, and the upper articulated arm 21 is articulated with an upper joint 41; the rear cross bar 32 extends with a lower hinge arm 321, and the lower hinge arm 321 is hinged with a lower joint 45. A sleeve 43 is further provided outside the lower end of the upper joint 41, and the sleeve 43 is sleeved outside the compression spring 44.
The lower end of the front stay bar 35 is also provided with a support sleeve 351, the upper end of the front fork 61 is provided with a guide shaft, the guide shaft passes through the damping spring 62 and then is in rotary and up-down sliding fit with the support sleeve 351, and the damping spring 62 is in compression joint between the front fork 61 and the support sleeve 351.
A front cross bar 352 is arranged between the two front supporting rods 35, the front cross bar 352 is provided with a limiting hinged support 353, and the limiting hinged support 353 is hinged with the foot pedal 36.
The rear power castor 7 is arranged at the rear end of the main support rod 3, and brake rubber 71 is arranged on the periphery of the main support rod 3 corresponding to the rear power castor 7, and the brake rubber 71 is in transmission connection with the pull rod 72.
A fixing frame 37 is arranged between the two main supporting rods 3, a battery 50 and the controller 40 are arranged on the fixing frame 37, and the battery 50 and the rear power castor 7 are respectively and electrically connected with the controller 40; the armrest frame assembly 20 is provided with a controller 30, and the controller 30 is electrically connected with the controller 40.
The armrest frame assembly 20 comprises an armrest 5, a movable joint 51, a first connecting rod 52 and a second connecting rod 53, wherein the rear end of the armrest 5 is hinged with the backrest frame 1, the front end and the rear end of the movable joint 51 are respectively buckled and hinged with the armrest 5, the lower end of the movable joint 51 is hinged with the upper end of the first connecting rod 52, the lower end of the first connecting rod 52 is hinged with the front end of the second connecting rod 53 and the cushion frame 2, and the rear end of the second connecting rod 53 is hinged with the backrest frame 1. The bottom of the armrest 5 is provided with a buckling seat 54, and the buckling seat 54 is provided with buckling holes 541; the movable joint 51 is provided with a locking piece 57, the locking piece 57 is in sliding fit with the movable joint 51, and the locking piece 57 is provided with a buckle 571 which is buckled with the buckling hole 541; the movable joint 51 is further provided with an unlocking button 55, the unlocking button 55 is used for driving the locking block 57 to move so as to control the buckle 571 to leave the buckle hole 541, and a reset spring 56 is further arranged between the unlocking button 55 and the movable joint 51.
The rear supporting rod 31 is located at the upper part of the main supporting rod 3, the main supporting rod 3 is provided with a clamping seat 33 corresponding to the rear supporting rod 31, the front end of the rear supporting rod 31 is also provided with a locking rod 312, the main supporting rod 3 is rotatably provided with a locking hook 311, and the locking hook 311 is used for being buckled with the locking rod 312. The rear supporting rod 31 is clamped in the clamping seat 33, so that the rear supporting rod is prevented from swinging left and right relative to the main supporting rod 3.
The rear end of the main support rod 3 is also provided with a lower bent tail hook 38, and the lower end of the lower bent tail hook 38 is provided with a tail support caster 39; the backrest frame 1 is provided with a backrest cushion 11, and the cushion frame 2 is provided with a cushion 23. A safety belt 12 is also arranged between the backrest frame 1 and the cushion frame 2.
The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the utility model, and that various changes and modifications may be effected therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.
Claims (7)
1. An electric wheelchair with a damping function comprises a backrest frame (1), a cushion frame (2), an armrest frame assembly (20) and a foot rest assembly (10); the middle part of the backrest frame (1) is in folding fit with the rear end of the cushion frame (2) through an armrest frame assembly (20), the lower end of the backrest frame (1) is in folding fit with the rear end of the foot rest assembly (10), the front end of the cushion frame (2) is in folding fit with the front end of the foot rest assembly (10), the front end and the rear end of the foot rest assembly (10) are respectively provided with a front universal castor (6) and a rear power castor (7), and the rear power castor (7) is electrically connected with the controller (40); the method is characterized in that: a shock absorber (4) is arranged between the rear end of the cushion frame (2) and the rear end of the foot rest assembly (10), the front universal castor (6) is arranged on the front fork (61), and the front end of the foot rest assembly (10) is supported on the front fork (61) through a shock absorption spring (62);
the foot rest assembly (10) comprises a left main supporting rod (3), a right main supporting rod (31), a front supporting rod (35) and a linkage rod (34), one end of the rear supporting rod (31) is hinged with the rear section of the main supporting rod (3), the other end of the rear supporting rod (31) is hinged with the lower end of the backrest frame (1) and the rear end of the linkage rod (34), the two rear supporting rods (31) are connected through a rear cross rod (32), the lower end of the shock absorber (4) is connected with the rear cross rod (32), and the upper end of the shock absorber (4) is connected with the rear end of the cushion frame (2); the bottom of the front end of the cushion frame (2) is provided with a hinge lug (22), the front end of the main support rod (3) and the upper end of the front support rod (35) are hinged with the hinge lug (22), and the front end of the linkage rod (34) is hinged with the lower end of the front support rod (35);
the shock absorber (4) comprises an upper joint (41), a compression spring (44), a retainer ring (48) and a lower joint (45), wherein a guide post (42) is arranged at the bottom of the upper joint (41), a guide sleeve (46) is arranged at the upper part of the lower joint (45), a guide hole (47) which is inserted into the guide post (42) is formed in the guide sleeve (46), the retainer ring (48) is in threaded connection with the periphery of the guide sleeve (46), and the compression spring (44) is sleeved outside the guide sleeve (46) and is in compression joint between the upper joint (41) and the retainer ring (48); the rear end of the cushion frame (2) extends to form an upper hinge arm (21), and the upper hinge arm (21) is hinged with an upper joint (41); the rear cross rod (32) is extended with a lower hinge arm (321), and the lower hinge arm (321) is hinged with a lower joint (45);
the lower extreme of preceding vaulting pole (35) still is equipped with support sleeve (351), front fork (61) upper end is equipped with the guiding axle, the guiding axle pass behind damping spring (62) with support sleeve (351) rotate and upper and lower sliding fit, damping spring (62) crimping is between front fork (61) and support sleeve (351).
2. The electric wheelchair with a shock absorbing function according to claim 1, wherein: a front cross rod (352) is arranged between the two front supporting rods (35), the front cross rod (352) is provided with a limiting hinged support (353), and the limiting hinged support (353) is hinged with the foot pedal (36).
3. The electric wheelchair with a shock absorbing function according to claim 1, wherein: the rear power castor (7) is arranged at the rear end of the main supporting rod (3), and the main supporting rod (3) is provided with brake rubber (71) corresponding to the periphery of the rear power castor (7), and the brake rubber (71) is in transmission connection with the pull rod (72).
4. The electric wheelchair with a shock absorbing function according to claim 1, wherein: a fixing frame (37) is further arranged between the two main supporting rods (3), a battery (50) and the controller (40) are arranged on the fixing frame (37), and the battery (50) and the rear power castor (7) are respectively and electrically connected with the controller (40); the armrest frame assembly (20) is provided with a controller (30), and the controller (30) is electrically connected with the controller (40).
5. The electric wheelchair with a shock absorbing function according to claim 1, wherein: the armrest frame assembly (20) comprises an armrest (5), a movable joint (51), a first connecting rod (52) and a second connecting rod (53), wherein the rear end of the armrest (5) is hinged with the backrest frame (1), the front end and the rear end of the movable joint (51) are respectively buckled and hinged with the armrest (5), the lower end of the movable joint (51) is hinged with the upper end of the first connecting rod (52), the lower end of the first connecting rod (52) is hinged with the front end of the second connecting rod (53) and the cushion frame (2), and the rear end of the second connecting rod (53) is hinged with the backrest frame (1).
6. The electric wheelchair with a shock absorbing function according to claim 1, wherein: the rear supporting rod (31) is located on the upper portion of the main supporting rod (3), the main supporting rod (3) is provided with a clamping seat (33) corresponding to the rear supporting rod (31), the front end of the rear supporting rod (31) is further provided with a locking rod (312), the main supporting rod (3) is rotatably provided with a locking hook (311), and the locking hook (311) is used for being buckled with the locking rod (312).
7. The electric wheelchair with a shock absorbing function according to claim 1, wherein: the rear end of the main support rod (3) is also provided with a lower bent tail hook (38), and the lower end of the lower bent tail hook (38) is provided with a tail support caster (39); the backrest frame (1) is provided with a backrest cushion (11), and the cushion frame (2) is provided with a cushion (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223551844.4U CN219700344U (en) | 2022-12-28 | 2022-12-28 | Electric wheelchair with damping function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223551844.4U CN219700344U (en) | 2022-12-28 | 2022-12-28 | Electric wheelchair with damping function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219700344U true CN219700344U (en) | 2023-09-19 |
Family
ID=87977982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223551844.4U Active CN219700344U (en) | 2022-12-28 | 2022-12-28 | Electric wheelchair with damping function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219700344U (en) |
-
2022
- 2022-12-28 CN CN202223551844.4U patent/CN219700344U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Electric wheelchair with shock absorption function Granted publication date: 20230919 Pledgee: Industrial and Commercial Bank of China Limited Foshan Dali sub branch Pledgor: FOSHAN DAHAO MEDICAL TECHNOLOGY Co.,Ltd. Registration number: Y2024980031559 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |