Six-wheel electric wheelchair
By adopting a six-wheel design and independent suspension shock absorbing components on the electric wheelchair, the problem of poor passability and poor shock absorption in multiple terrain situations is solved, and higher road conditions are achieved.
Patent Information
- Application Number
- CN202421781334.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-26
AI Technical Summary
Existing electric wheelchairs are difficult to pass when encountering multiple terrain conditions, and the shock absorption effect is relatively weak, which affects practicality.
It adopts a six-wheel design, through the cooperation of the front suspension shock absorber components, the rear suspension shock absorber components, the front and rear shock absorber components and the drive assembly, four-wheel independent suspension and high-performance shock absorber are realized, alleviating frame shaking caused by overblocking impacts and bumpy road conditions.
It effectively solves the problem of passability of electric wheelchairs in multiple terrain situations, improves road conditions adaptability and stability, and enhances shock absorption effects and improves overall practicality.
Smart Images

Figure CN222899509U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric wheelchairs, and particularly relates to a six-wheel electric wheelchair. Background Art
[0002] For the elderly or patients with inconvenient mobility, an electric wheelchair is a very important means of transportation. It can not only be used as a means of transportation in daily life, but even as a means of transportation for shopping or going out.
[0003] After retrieval, the Chinese utility model application number is CN200520111789.4, the publication number is CN2827326Y, and the patent document name is a frame structure of an electric wheelchair, which mainly includes a chair frame, a connecting rod, a front wheel frame, a rear wheel frame and an elastic member. The front section of the chair frame is pivotally connected to the middle section of the front wheel frame, and the rear section of the chair frame is pivotally connected to the middle section of the rear wheel frame. The front end of the front wheel frame is pivotally connected to the front wheel, the rear end of the front wheel frame is pivotally connected to the lower end of the connecting rod, the middle section of the connecting rod is pivotally connected to the front end of the rear wheel frame, the upper end of the connecting rod is pivotally connected to one end of the elastic member, and the rear end of the rear wheel frame is pivotally connected to the rear wheel. The lower part of the front section of the rear wheel frame is pivotally connected to the main wheel, and the upper part of the front section of the rear wheel frame is pivotally connected to the other end of the elastic member.
[0004] When the above-mentioned patent document electric wheelchair crosses an obstacle, since the rear end of the front wheel frame and the front end of the rear wheel frame compress the elastic member through the connecting rod, and the elastic member absorbs the swing of the front wheel frame (or the rear wheel frame), although the coordination of the front and rear wheels and a certain shock absorption effect can be achieved, there are still some problems. Since the front and rear wheels are pivotally connected to each other and connected by an elastic member, this design is applicable to most flat road conditions when crossing an obstacle. However, there may be certain obstacles in the barrier-free passages in most public places. When encountering multi-terrain situations such as crossing a bump or a pothole, it will be restricted from passing, resulting in restricted free travel. At the same time, the shock absorption of the front and rear wheels mainly depends on a single elastic member, and the shock absorption effect is relatively weak, thereby reducing the practicability of the device.
[0005] Therefore, based on the above problems, the present invention provides a six-wheel electric wheelchair. Content of the Utility Model
[0006] Aiming at the deficiencies of the prior art, the utility model provides a six-wheel electric wheelchair, which solves the problems mentioned in the background art.
[0007] To achieve the above purposes, the utility model is realized through the following technical solutions:
[0008] A six-wheel electric wheelchair, including a frame, and a vehicle body connecting member is installed on the top surface of the frame;
[0009] On both sides of the frame, mounting shells are provided. A drive assembly is mounted on each mounting shell, and a drive wheel is rotatably mounted on each drive assembly.
[0010] On both sides of each mounting shell, a first rotating shaft and a second rotating shaft are respectively provided. Each first rotating shaft and second rotating shaft are fixedly mounted on the corresponding side of the frame. A front suspension damping assembly is rotatably mounted on each first rotating shaft, and a front wheel is mounted on each front suspension damping assembly. A rear suspension damping assembly is rotatably mounted on each second rotating shaft. Each rear suspension damping assembly is connected to the corresponding mounting shell and the corresponding front suspension damping assembly, and a rear wheel is mounted on each rear suspension damping assembly.
[0011] Furthermore, the vehicle body connecting member includes a seat cushion. A seat cushion bracket is fixedly provided on the bottom surface of the seat cushion. The seat cushion bracket is fixedly connected to the frame. A backrest is mounted on the seat cushion bracket, and a liftable headrest is adjustably mounted on the backrest. Armrest components are provided on both sides of the backrest, and each armrest component is adjustably mounted on the seat cushion bracket.
[0012] Furthermore, the armrest component includes an armrest. The armrest is provided on one side of the backrest, and an adjusting guide tube is fixedly provided on the bottom surface of the armrest. A fixed guide rod is fixedly provided on the seat cushion bracket. A number of insertion and rotation holes are equidistantly opened on the fixed guide rod. A plum blossom knob is provided on the adjusting guide tube. When the armrest needs to be adjusted in height, the adjusting guide tube is slid up and down along the fixed guide rod to a certain position, and the plum blossom knob is rotated and inserted into the corresponding insertion and rotation hole to achieve fixation.
[0013] Furthermore, a pedal component is mounted on the frame. The pedal component is composed of a pedal connecting arm and a pedal. One end of the pedal connecting arm is connected to the frame, and the other end of the pedal connecting arm is connected to the pedal.
[0014] Furthermore, the front suspension damping assembly includes a front cantilever. The front cantilever is rotatably mounted on the first rotating shaft. A front mounting bracket is fixedly provided at one end of the front cantilever. The front wheel is mounted in the front mounting bracket. An elliptical pin hole is opened at the other end of the front cantilever.
[0015] The rear suspension damping assembly includes a rear cantilever. The rear cantilever is mounted on the mounting shell. A connecting cantilever is fixedly provided on one side of the rear cantilever. The connecting cantilever cooperates with the front cantilever. A U-shaped ear seat is fixedly provided on the other side of the rear cantilever. The U-shaped ear seat is mounted on the second rotating shaft. A rear mounting bracket is provided in the U-shaped ear seat. The rear mounting bracket is rotatably provided on the second rotating shaft. The rear wheel is mounted in the rear mounting bracket, and a rear damping member is movably hinged between the rear mounting bracket and the rear cantilever.
[0016] Further, two connecting pins are installed on the connecting cantilever. One of the connecting pins is located in the elliptical pin hole, and an anterior shock absorber is movably hinged between the other connecting pin and the front cantilever. The anterior shock absorber has the same structure as the posterior shock absorber.
[0017] Further, both the anterior shock absorber and the posterior shock absorber are shock absorbers.
[0018] Further, the drive assembly includes a drive motor and a first I-shaped shaft. The drive motor passes through and is fixed on the installation housing. A worm is fixedly installed at the end of the power output end of the drive motor. The first I-shaped shaft is rotatably arranged in the installation housing. A worm gear and a transmission gear are fixedly sleeved on the first I-shaped shaft. The worm is meshed and connected with the worm gear. A linkage gear is meshed on one side of the transmission gear. A second I-shaped shaft is fixedly installed through the linkage gear. The second I-shaped shaft is rotatably arranged in the installation housing. A power shaft is installed on one side of the second I-shaped shaft. The power shaft passes through and extends to the outside of the installation housing and is connected to the drive wheel.
[0019] Further, the transmission gear and the linkage gear are arranged on the same horizontal line, and the worm gear is located on one side of the transmission gear.
[0020] The utility model provides a six-wheel electric wheelchair. Compared with the prior art, the following beneficial effects are achieved:
[0021] 1. Through the cooperative setting of the front suspension shock absorption assembly, the rear suspension shock absorption assembly, the anterior shock absorber, the posterior shock absorber and the drive assembly, the front and rear four wheels adopt an independent suspension assembly design, and the whole vehicle is connected by four high-performance shock absorbers, effectively alleviating the frame shaking caused by obstacle crossing impact and bumpy road conditions. At the same time, the independent multi-link cross combination can effectively solve the risk of tipping caused by the shift of the frame center of gravity when going up and down slopes, ensuring the passing performance and stability of various road conditions;
[0022] 2. Through the cooperative setting of the drive assembly and the drive wheel, compared with the existing electric wheelchairs on the market that directly drive the drive wheel to rotate by the motor, this connection method is more stable during power transmission, which is beneficial to improving the driving stability of the overall electric wheelchair. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0024] Figure 1Shows the three-dimensional connection schematic diagram of the overall structure of the present utility model;
[0025] Figure 2 Shows the top view three-dimensional connection schematic diagram of the overall structure of the present utility model;
[0026] Figure 3 Shows the three-dimensional connection schematic diagram of the frame, front suspension shock absorber assembly, rear suspension shock absorber assembly, front wheel and rear wheel and other structures of the present utility model;
[0027] Figure 4 Shows the three-dimensional connection schematic diagram of the front suspension shock absorber assembly, rear suspension shock absorber assembly and installation housing and other structures of the present utility model;
[0028] Figure 5 Shows the three-dimensional connection schematic diagram of the rear suspension shock absorber assembly, drive assembly, installation housing and rear wheel and other mechanisms of the present utility model;
[0029] Figure 6 Shows the three-dimensional connection schematic diagram of the drive assembly and the rear suspension shock absorber assembly of the present utility model;
[0030] Figure 7 Shows the schematic diagram of the use state of the electric wheelchair of the present utility model on a horizontal road surface;
[0031] Figure 8 Shows the schematic diagram of the use state of the electric wheelchair of the present utility model when going uphill;
[0032] Figure 9 Shows the schematic diagram of the use state of the electric wheelchair of the present utility model when going downhill;
[0033] Figure 10 Shows the schematic diagram of the use state of the front and rear wheels of the electric wheelchair of the present utility model when passing over an obstacle;
[0034] Figure 11 Shows the schematic diagram of the use state of the front and rear wheels of the electric wheelchair of the present utility model when passing over a pothole;
[0035] As shown in the figure: 1. Body connector; 11. Lifting headrest; 12. Backrest; 13. Armrest component; 131. Armrest; 132. Plum blossom knob; 14. Seat cushion; 2. Frame; 21. Pedal component; 22. First rotating shaft; 23. Second rotating shaft; 3. Front suspension shock absorber assembly; 31. Oval pin hole; 32. Front shock absorber; 33. Front cantilever; 34. Front mounting bracket; 4. Front wheel; 5. Rear wheel; 6. Rear suspension shock absorber assembly; 61. Rear shock absorber; 62. Rear mounting bracket; 63. Rear cantilever; 64. Connecting pin; 65. Connecting cantilever; 7. Driving wheel; 8. Mounting housing; 9. Driving assembly; 91. Driving motor; 92. Worm gear; 93. First I-shaped shaft; 94. Transmission gear; 95. Worm; 96. Second I-shaped shaft; 97. Linkage gear. Detailed implementation mode
[0036] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.
[0037] Embodiment 1
[0038] To solve the technical problems in the background art, the following six-wheel electric wheelchair is provided:
[0039] Combined with Figures 1-11 As shown, a six-wheel electric wheelchair provided by the present utility model includes a frame 2, and a body connector 1 is installed on the top surface of the frame 2;
[0040] Mounting housings 8 are provided on both sides of the frame 2, a driving assembly 9 is installed on each mounting housing 8, and a driving wheel 7 is rotatably installed on each driving assembly 9;
[0041] A first rotating shaft 22 and a second rotating shaft 23 are respectively provided on both sides of each mounting housing 8. Each first rotating shaft 22 and second rotating shaft 23 are fixedly installed on the corresponding side of the frame 2, and a front suspension shock absorber assembly 3 is rotatably installed on each first rotating shaft 22. A front wheel 4 is installed on each front suspension shock absorber assembly 3. A rear suspension shock absorber assembly 6 is rotatably installed on each second rotating shaft 23. Each rear suspension shock absorber assembly 6 is connected to the corresponding mounting housing 8 and the corresponding front suspension shock absorber assembly 3, and a rear wheel 5 is installed on each rear suspension shock absorber assembly 6.
[0042] The vehicle body connecting member 1 includes a seat cushion 14. A seat cushion bracket is fixedly provided on the bottom surface of the seat cushion 14. The seat cushion bracket is fixedly connected to the vehicle frame 2. A backrest 12 is installed on the seat cushion bracket. A lifting headrest 11 is adjustably installed on the backrest 12. Armrest components 13 are provided on both sides of the backrest 12. Each armrest component 13 is adjustably installed on the seat cushion bracket.
[0043] The armrest component 13 includes an armrest 131. The armrest 131 is provided on one side of the backrest 12. A regulating guide cylinder is fixedly provided on the bottom surface of the armrest 131. A fixed guide rod is fixedly provided on the seat cushion bracket. A number of plugging and rotating holes are equidistantly formed on the fixed guide rod. A plum blossom knob 132 is provided on the regulating guide cylinder. When it is necessary to adjust the lifting of the armrest 131, the regulating guide cylinder is slid up and down along the fixed guide rod to a certain position, and the plum blossom knob 132 is rotated and inserted into the corresponding plugging and rotating hole to achieve fixation.
[0044] A pedal component 21 is installed on the vehicle frame 2. The pedal component 21 is composed of a pedal connecting arm and a pedal. One end of the pedal connecting arm is connected to the vehicle frame 2, and the other end of the pedal connecting arm is connected to the pedal.
[0045] The front suspension shock absorption assembly 3 includes a front cantilever 33. The front cantilever 33 is rotatably installed on a first rotating shaft 22. A front mounting bracket 34 is fixedly provided at one end of the front cantilever 33. A front wheel 4 is installed in the front mounting bracket 34. An elliptical pin hole 31 is formed at the other end of the front cantilever 33;
[0046] The rear suspension shock absorption assembly 6 includes a rear cantilever 63. The rear cantilever 63 is installed on a mounting housing 8. A connecting cantilever 65 is fixedly provided on one side of the rear cantilever 63. The connecting cantilever 65 cooperates with the front cantilever 33. A U-shaped ear seat is fixedly provided on the other side of the rear cantilever 63. The U-shaped ear seat is installed on a second rotating shaft 23. A rear mounting bracket 62 is provided in the U-shaped ear seat. The rear mounting bracket 62 is rotatably provided on the second rotating shaft 23. A rear wheel 5 is installed in the rear mounting bracket 62. A rear shock absorber 61 is movably hinged between the rear mounting bracket 62 and the rear cantilever 63.
[0047] Two connecting pins 64 are installed on the connecting cantilever 65. One of the connecting pins 64 is located in the elliptical pin hole 31. A front shock absorber 32 is movably hinged between the other connecting pin 64 and the front cantilever 33. The front shock absorber 32 has the same structure as the rear shock absorber 61. Both the front shock absorber 32 and the rear shock absorber 61 are shock absorbers.
[0048] During specific use, when encountering various road conditions, refer to Figure 7 , when traveling on a flat road, affected by the gravity of the overall vehicle body and the passengers, the driving wheel 7, the front wheel 4 and the rear wheel 5 are all in a horizontal state with the ground;
[0049] Refer to Figure 8 、 9, when going uphill or downhill, the front wheel 4 (the rear wheel 5 is horizontal with the ground) climbs the slope, which will drive the front suspension shock absorber assembly 3 to rotate within a certain range along the first rotating shaft 22, and then drive the front shock absorber 32 to contract within a certain range. Thus, the front shock absorber 32 can absorb the swing of the front wheel 4 brought to the whole vehicle body when going uphill. Similarly, when the rear wheel 5 (the front wheel 4 is horizontal with the ground) goes downhill, it will drive the rear suspension shock absorber assembly 6 to rotate within a certain range along the second rotating shaft 23, and then drive the rear shock absorber 61 to contract within a certain range. Thus, the rear shock absorber 61 can absorb the swing of the rear wheel brought to the whole vehicle body when going downhill;
[0050] When passing through roadblocks, the front and rear wheels on one side are both horizontal with the ground. When the front and rear wheels on the other side encounter roadblocks, see Figure 10 , when passing through roadblocks simultaneously, at this time, the front suspension shock absorber assembly 3 rotates within a certain range along the first rotating shaft 22, driving the front shock absorber 32 to compress. At the same time, the rear suspension shock absorber assembly 6 rotates within a certain range along the second rotating shaft 23, driving the rear shock absorber 61 to compress. In this way, the electric wheelchair adopts independent front and rear driven four-wheel suspension, relying on high-performance shock absorbers to be independently connected, which not only effectively alleviates the impact when passing through obstacles and the frame shaking caused by bumpy road conditions, but also has a high shock absorption effect;
[0051] When passing through potholes, see Figure 11 , because the whole vehicle adopts an independent front and rear four-wheel suspension design, and corresponding shock absorbers are separately arranged on the front and rear suspension shock absorber assemblies 6. When the front and rear wheels both pass through potholes, the front suspension shock absorber assembly 3 and the rear suspension shock absorber assembly 6 can respectively offset the swing of the front and rear wheels brought to the whole vehicle body, making the overall driving feeling more comfortable. At the same time, the front and rear wheels and the corresponding drive wheels 7 are arranged in a triangle. When driving, it is beneficial to increase the driving stability of the whole vehicle body.
[0052] Embodiment 2
[0053] As Figures 1-11 shown, on the basis of the above embodiment, this embodiment further gives the following content:
[0054] The drive assembly 9 includes a drive motor 91 and a first I-shaped shaft 93. The drive motor 91 is fixedly arranged through the mounting shell 8. A worm 95 is fixedly arranged at the end of the power output end of the drive motor 91. The first I-shaped shaft 93 is rotatably arranged in the mounting shell 8. A worm gear 92 and a transmission gear 94 are fixedly sleeved on the first I-shaped shaft 93. The worm 95 is meshed and connected with the worm gear 92. A linkage gear 97 is meshed on one side of the transmission gear 94. A second I-shaped shaft 96 is fixedly arranged through the linkage gear 97. The second I-shaped shaft 96 is rotatably arranged in the mounting shell 8. A power shaft is installed on one side of the second I-shaped shaft 96. The power shaft penetrates and extends to the outside of the mounting shell 8 and is connected with the drive wheel 7.
[0055] The transmission gear 94 and the linkage gear 97 are arranged on the same horizontal line, and the worm gear 92 is located on one side of the transmission gear 94.
[0056] In specific use, when it is necessary to drive the driving wheel 7 to rotate, the driving motor 91 is started. Under the power output of the driving motor 91, the worm 95 is driven to rotate. At the same time, under the meshing operation, the worm gear 92 is driven to rotate, and then the first I-shaped shaft 93 and the transmission gear 94 are driven to rotate synchronously, so as to drive the linkage gear 97, the second I-shaped shaft 96, the power shaft, and the driving wheel 7 to rotate. The advantage of this design is that, compared with the existing electric wheelchairs on the market that directly drive the driving wheel by a motor, this connection method is more stable during power transmission, which is beneficial to improving the overall driving stability of the electric wheelchair.
[0057] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.
[0058] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.
Claims
1. A six-wheel electric wheelchair, characterized in that: It comprises a vehicle frame (2), a vehicle body connecting member (1) being installed on the top surface of the vehicle frame (2); Both sides of the frame (2) are provided with mounting shells (8), each mounting shell (8) is mounted with a driving assembly (9), and each driving assembly (9) is rotatably mounted with a driving wheel (7); A first rotating shaft (22) and a second rotating shaft (23) are respectively arranged on both sides of each of the mounting shells (8); each of the first rotating shaft (22) and the second rotating shaft (23) are fixedly mounted on a corresponding side of the frame (2); and each of the first rotating shafts (22) is rotatably mounted with a front suspension shock absorbing assembly (3); each of the front suspension shock absorbing assembly (3) is mounted with a front wheel (4); and each of the second rotating shafts (23) is rotatably mounted with a rear suspension shock absorbing assembly (6); each of the rear suspension shock absorbing assembly (6) is connected to the corresponding mounting shell (8) and the corresponding front suspension shock absorbing assembly (3); and each of the rear suspension shock absorbing assembly (6) is mounted with a rear wheel (5).
2. A six-wheeled electric wheelchair according to claim 1, characterized in that: The vehicle body connecting member (1) comprises a seat cushion (14), a seat cushion bracket is fixedly provided on the bottom surface of the seat cushion (14), the seat cushion bracket is fixedly connected to the vehicle frame (2), a backrest (12) is installed on the seat cushion bracket, a lifting headrest (11) is adjustably installed on the backrest (12), and armrest components (13) are arranged on both sides of the backrest (12), and each of the armrest components (13) can be adjustably installed on the seat cushion bracket.
3. A six-wheeled electric wheelchair according to claim 2, characterized in that: The armrest component (13) comprises an armrest (131), the armrest (131) is arranged on one side of the backrest (12), and an adjustment guide cylinder is fixedly provided on the bottom surface of the armrest (131), a fixed guide rod is fixedly provided on the seat cushion bracket, a plurality of plug-in rotary holes are evenly spaced on the fixed guide rod, and a plum blossom knob (132) is provided on the adjustment guide cylinder. When the armrest (131) needs to be raised or lowered, the adjustment guide cylinder is slid and raised to a certain position along the fixed guide rod, and the plum blossom knob (132) is rotated to be inserted into the corresponding plug-in rotary hole for fixation.
4. The six-wheeled electric wheelchair according to claim 2, characterized in that: A pedal component (21) is mounted on the frame (2), and the pedal component (21) is composed of a pedal connecting arm and a pedal, one end of the pedal connecting arm is connected to the frame (2), and the other end of the pedal connecting arm is connected to the pedal.
5. The six-wheeled electric wheelchair according to claim 1, characterized in that: The front suspension shock absorbing assembly (3) comprises a front cantilever (33), the front cantilever (33) is rotatably mounted on the first rotating shaft (22), a front mounting bracket (34) is fixedly arranged at one end of the front cantilever (33), the front wheel (4) is mounted in the front mounting bracket (34), and an elliptical pin hole (31) is opened at the other end of the front cantilever (33); The rear suspension shock absorbing assembly (6) comprises a rear cantilever (63), the rear cantilever (63) is mounted on the mounting shell (8), a connecting cantilever (65) is fixedly provided on one side of the rear cantilever (63), the connecting cantilever (65) cooperates with the front cantilever (33), a U-shaped ear seat is fixedly provided on the other side of the rear cantilever (63), the U-shaped ear seat is mounted on the second rotating shaft (23), a rear mounting bracket (62) is arranged in the U-shaped ear seat, the rear mounting bracket (62) is rotatably arranged on the second rotating shaft (23), the rear wheel (5) is mounted in the rear mounting bracket (62), and a rear shock absorbing component (61) is movably hinged between the rear mounting bracket (62) and the rear cantilever (63).
6. A six-wheeled electric wheelchair according to claim 5, characterized in that: Two connecting pins (64) are installed on the connecting cantilever (65), one of the connecting pins (64) is located in the elliptical pin hole (31), and a front shock absorber (32) is movably hinged between the other connecting pin (64) and the front cantilever (33), and the front shock absorber (32) has the same structure as the rear shock absorber (61).
7. The six-wheeled electric wheelchair according to claim 6, characterized in that: The front shock absorbing component (32) and the rear shock absorbing component (61) are both shock absorbers.
8. The six-wheeled electric wheelchair according to claim 1, characterized in that: The drive assembly (9) comprises a drive motor (91) and a first I-shaped shaft (93). The drive motor (91) is fixedly mounted on the mounting housing (8). A worm (95) is fixedly mounted on the power output end of the drive motor (91). The first I-shaped shaft (93) is rotatably mounted in the mounting housing (8). A worm wheel (92) and a transmission gear (94) are fixedly mounted on the first I-shaped shaft (93). The worm wheel (95) is meshingly connected with the worm wheel (92). A linkage gear (97) is meshingly mounted on one side of the transmission gear (94). A second I-shaped shaft (96) is fixedly mounted on the linkage gear (97). The second I-shaped shaft (96) is rotatably mounted in the mounting housing (8). A power shaft is mounted on one side of the second I-shaped shaft (96). The power shaft extends through the mounting housing (8) to the outside and is connected to the drive wheel (7).
9. The six-wheeled electric wheelchair according to claim 8, characterized in that: The transmission gear (94) and the linkage gear (97) are arranged on the same horizontal line, and the worm gear (92) is located on one side of the transmission gear (94).
Citation Information
Patent Citations
Frame structure of electric wheel-chair
CN2827326Y