Wheelchair power assembly structure

Abstract

The utility model discloses a wheelchair power assembly structure which comprises an assembly frame and a power battery, and the assembly frame comprises an assembly bottom support and side plates arranged on the two sides of the assembly bottom support; a battery locking mechanism is arranged on the power battery, the battery locking mechanism comprises a locking block, a locking block mounting groove is formed in the side face of the power battery, the locking block is arranged in the locking block mounting groove in a limiting and sliding mode, an inclined guide slope is arranged on the locking block, and the inclined guide slope is arranged on the side face of the power battery. A spring suitable for pushing the locking block to pop out is arranged between the locking block and the locking block mounting groove; and the upper surface of the power battery is provided with an unlocking key installation groove communicated with the locking block installation groove, the unlocking key is arranged in the unlocking key installation groove in a limited sliding mode, and the unlocking key is provided with a matched inclined guide slope. According to the utility model, the power battery can be conveniently mounted and dismounted, and the structure is stable.

Description

Technical Field

[0001] The utility model relates to a wheelchair power assembly structure and belongs to the technical field of wheelchairs. Background Art

[0002] At present, with the development of society and the increasingly serious phenomenon of population aging, wheelchairs and scooters have become an important means of medical rehabilitation and travel for the elderly. Whether it is auxiliary medical care or travel for the elderly, wheelchairs and scooters are widely used. They make it more convenient for people with physical disabilities and mobility difficulties to travel, further improving their quality of life.

[0003] After searching the prior art, it was found that a Chinese patent with publication number CN215875284U disclosed a wheelchair power assembly and a wheelchair. In this patent, the battery box is fixed to the mounting frame by fasteners. During use, it was found that tools are required for disassembly and assembly, which is inconvenient in operation. Summary of the invention

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a wheelchair power assembly structure, which can conveniently install and disassemble the power battery and has a stable structure.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: a wheelchair power assembly structure, comprising:

[0006] An assembly frame, the assembly frame comprising an assembly base and side panels arranged on both sides of the assembly base;

[0007] A power battery, wherein the power battery is provided with a battery locking mechanism, and the battery locking mechanism comprises:

[0008] A locking block, wherein a locking block mounting groove is provided on the side of the power battery, wherein the locking block is limitedly slidably arranged in the locking block mounting groove, wherein an inclined guiding inclined surface is provided on the locking block, and a spring suitable for pushing the locking block to pop outward is provided between the locking block and the locking block mounting groove;

[0009] An unlocking button, wherein the upper surface of the power battery is provided with an unlocking button mounting groove connected with the locking block mounting groove, the unlocking button is limitedly slidably arranged in the unlocking button mounting groove, the unlocking button is provided with a matching inclined guiding inclined surface, and the unlocking button is adapted to abut the matching inclined guiding inclined surface against the inclined guiding inclined surface when being pressed to drive the locking block to move in the locking block mounting groove;

[0010] The assembly base and the side plate form a power battery fixing seat suitable for installing the power battery, and the side plate is provided with a locking groove suitable for cooperating with the locking block.

[0011] Furthermore, in order to reduce the impact during the installation of the power battery and facilitate its removal, a compression-rebound mechanism is further provided on the assembly base, and the compression-rebound mechanism includes at least one return spring;

[0012] The return spring is in a compressed state when the power battery is installed on the power battery fixing seat.

[0013] Furthermore, in order to achieve a stable connection of power supply, the wheelchair power assembly structure further includes a power supply connection component, and the power supply connection component is fixed in the power battery fixing seat;

[0014] The power supply connection component is provided with a power interface;

[0015] The power battery is provided with a power supply interface matching the power supply interface.

[0016] Furthermore, the assembly frame further comprises a rear vertical plate fixed on the side plate, and a movable flap assembly is hinged on the rear vertical plate, and the movable flap assembly comprises:

[0017] A flip plate, wherein at least one slide plate is provided on the flip plate, and a slide plate is provided with a slide;

[0018] A support rod connecting plate, wherein the support rod connecting plate is fixed to the rear vertical plate;

[0019] The flip plate is hinged on the support rod connecting plate

[0020] A support rod, one end of which is hinged on the support rod connecting plate, and the other end of which is suitable for sliding and embedding in the sliding groove of the flip plate.

[0021] Furthermore, the movable flap assembly further comprises at least one elastic buckle, and the elastic buckle comprises:

[0022] A locking block, the locking block is hingedly connected to the slide plate of the flip plate, and one end of the locking block is provided with a locking groove suitable for engaging and fixing the support rod on the slide plate;

[0023] An abutment spring is installed between the other end of the locking block and the flip plate, and the abutment spring is suitable for driving the locking groove of the locking block to fix the support rod on the sliding groove.

[0024] Furthermore, the wheelchair power assembly structure further includes an anti-reverse wheel assembly, and the anti-reverse wheel assembly is mounted on the assembly base;

[0025] After the flip plate is opened and the support rod is embedded in the slide groove of the flip plate, the flip plate is suitable for supporting the assembly frame together with the anti-reverse wheel assembly.

[0026] Furthermore, the wheelchair power assembly structure also includes an anti-reverse wheel assembly, which is installed on the assembly base, and the anti-reverse wheel assembly includes at least one rear wheel.

[0027] Furthermore, in order to realize the rapid disassembly and assembly between the frame connection member and the power assembly, a separation operating component is hinged on the assembly frame, and a locking hole is provided on the separation operating component;

[0028] The wheelchair power assembly structure further includes a frame connecting member, the frame connecting member is adapted to be embedded in the installation gap formed between the separation operating component and the assembly frame, and the frame connecting member is provided with a matching locking hole matching with the locking hole;

[0029] The separation operating component is also provided with an elastic locking pin shaft, and the elastic locking pin shaft is suitable for sequentially passing through a locking hole and a matching locking hole to fix the frame connecting member on the assembly frame.

[0030] Furthermore, in order to facilitate the electrical connection between the powertrain and the frame, a row of elastic contacts is provided on the assembly frame at positions corresponding to those in contact with the frame connectors, and a row of metal contacts matching the row of elastic contacts is provided on the frame connectors.

[0031] Furthermore, in order to improve the user experience of the wheelchair, the wheelchair power assembly structure also includes at least one audio component, and the audio component is installed on the side panel.

[0032] By adopting the above technical solution, the utility model has the following beneficial effects:

[0033] In the present invention, after the power battery is loaded into the power battery holder, the locking block pushed by the spring will abut against the locking groove on the side plate, ensuring that the power battery is safe and stable under any circumstances, reducing the risk of loosening or even falling off due to vibration. When the power battery needs to be replaced, the user only needs to press the unlock button, and the locking block can be retracted by abutting the inclined guide slope of the unlock button with the inclined guide slope of the locking block, which saves complex tools and cumbersome steps, greatly saves operation time and energy, and the coherent and smooth operation process makes the user experience very friendly.

[0034] In addition, in order to protect the power battery from impact, a special compression and rebound mechanism is set on the assembly base, which can play a role in buffering and shock absorption during the battery installation process; the design of the power supply interface on the power connection assembly allows the power battery to be seamlessly connected to the power supply of the power assembly, ensuring the stability of power transmission; the movable flap assembly and the anti-reverse wheel assembly can contact the ground together to achieve space-saving upright placement; the added audio component further enhances the convenience of using the wheelchair.

[0035] In summary, the utility model not only improves the simplicity of battery installation and removal operations, but also improves the safety and convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 The three-dimensional structure of the wheelchair power assembly structure of the utility model is shown in FIG. Figure 1 ;

[0037] Figure 2 It is a front view of the power assembly structure of the wheelchair of the present utility model;

[0038] Figure 3 The three-dimensional structure of the wheelchair power assembly structure of the utility model is shown in FIG. Figure 2 ;

[0039] Figure 4 The three-dimensional structure of the wheelchair power assembly structure of the utility model is shown in FIG. Figure 3 ;

[0040] Figure 5 The three-dimensional structure of the wheelchair power assembly structure of the utility model is shown in FIG. Figure 4 ;

[0041] Figure 6 The three-dimensional structure of the wheelchair power assembly structure of the utility model is shown in FIG. Figure 5 ;

[0042] Figure 7 The three-dimensional structure of the wheelchair power assembly structure of the utility model is shown in FIG. Figure 6 ;

[0043] Figure 8 It is a vertical schematic diagram of the power assembly structure of the wheelchair of the present utility model;

[0044] Fig. 9 The three-dimensional structure of the wheelchair power assembly structure of the utility model is shown in FIG. Figure 7 ;

[0045] Fig.10 The three-dimensional structure of the wheelchair power assembly structure of the utility model is shown in FIG. Figure 8 ;

[0046] Fig.11 It is a three-dimensional structural schematic diagram of the flap of the wheelchair power assembly structure of the utility model;

[0047] Fig.12 An exploded view of the flap of the wheelchair power assembly structure of the utility model;

[0048] Fig.13 An exploded view of the power battery of the wheelchair power assembly structure of the utility model;

[0049] Fig.14 It is an exploded view of the wheelchair power assembly structure of the present utility model. DETAILED DESCRIPTION

[0050] In order to make the content of the utility model more clearly understood, the utility model is further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.

[0051] like Figure 1-14 As shown, a wheelchair power assembly structure includes:

[0052] The assembly frame includes an assembly base 110 and side panels 120 disposed on both sides of the assembly base 110;

[0053] The power battery 200 is provided with a battery locking mechanism, and the battery locking mechanism includes:

[0054] A locking block 210, a locking block mounting groove is provided on the side of the power battery 200, the locking block 210 is limitedly slidably arranged in the locking block mounting groove, an inclined guiding inclined surface is provided on the locking block 210, and a spring 220 suitable for pushing the locking block 210 to pop outward is provided between the locking block 210 and the locking block mounting groove;

[0055] An unlocking button 230, the upper surface of the power battery 200 is provided with an unlocking button mounting groove connected to the locking block mounting groove, the unlocking button 230 is limitedly slidably arranged in the unlocking button mounting groove, and a matching inclined guiding inclined surface is provided on the unlocking button 230, and the unlocking button 230 is adapted to abut the matching inclined guiding inclined surface against the inclined guiding inclined surface when being pressed to drive the locking block 210 to move in the locking block mounting groove;

[0056] The assembly base 110 and the side plate 120 form a power battery fixing seat suitable for installing the power battery 200 , and the side plate 120 is provided with a locking groove suitable for cooperating with the locking block 210 .

[0057] In this embodiment, if Fig. 9 and Figure 13-14 As shown, after the power battery 200 is loaded into the power battery holder, the locking block 210 pushed by the spring 220 will abut against the locking groove on the side plate 120, ensuring that the power battery 200 can be safely and firmly fixed under any circumstances, reducing the risk of loosening or even falling off due to vibration. When the power battery 200 needs to be replaced, just press the unlock button 230, and the locking block 210 can be driven to retract by the matching inclined guide slope of the unlock button 230 and the inclined guide slope of the locking block 210, which saves complicated tools and cumbersome steps, greatly saving operation time and energy. The power battery 200 is also provided with a handle for convenient lifting.

[0058] Specifically, Fig. 9 and Figure 13-14 As shown, the assembly base 110 is also provided with a compression-rebound mechanism, which includes two return springs 111;

[0059] The return spring 111 is in a compressed state when the power battery 200 is installed in the power battery fixing seat.

[0060] In this embodiment, if Fig. 9 and Figure 13-14 As shown, the function of the return spring 111 is to provide elastic return thrust. When the power battery 200 is installed in the power battery fixing seat, the weight of the power battery 200 will compress the return spring 111, so that the return spring 111 enters a compressed state. In this compressed state, the return spring 111 will generate an upward return thrust to offset the weight of the power battery 200, thereby preventing the power battery 200 from directly hitting the assembly bottom bracket 110. When the power battery 200 needs to be removed, the unlocking button 230 is pressed upward to drive the locking block 210 to move inward and out of the locking groove. At this time, the return thrust of the return spring 111 will automatically lift the power battery 200 for easy removal. At the same time, the return spring 111 can also play a shock absorbing role to prevent the power battery 200 from being subjected to excessive impact during operation. In some embodiments, the number of return springs 111 is not limited to two and can be set according to specific needs.

[0061] Specifically, Fig.14 As shown, the wheelchair power assembly structure further includes a power supply connection component 300, and the power supply connection component 300 is fixed in the power battery fixing seat;

[0062] The power supply connection assembly 300 is provided with a power supply interface 310;

[0063] The power battery 200 is provided with a power supply interface 240 that matches the power interface 310 .

[0064] In this embodiment, if Fig. 9 and Figure 13-14 As shown, a hub-type integrated drive motor 1100 in which the wheel hub and the drive motor are integrated is provided on both sides of the power assembly, and the power supply connection assembly 300 serves to connect the power battery 200 and the drive motor.

[0065] The power interface 310 and the power supply interface 240 can be standardized interfaces, and have certain waterproof capabilities. The power supply connection component 300 includes a waterproof cover and a lower control component 320. The drive motor is connected to the lower control component 320 through a wiring harness. The power supply connection component 300 can save complex wires, and the installation and power supply connection of the power battery 200 can be completed quickly, which greatly simplifies the operation steps and is convenient for users. At the same time, the standardized power supply interface also improves the compatibility and interchangeability between different models.

[0066] Specifically, Figure 6-8 and Figure 11-12 and Fig.14 As shown, the assembly frame further includes a rear vertical plate 130 fixed on the side plate 120, and a movable flap assembly is hinged on the rear vertical plate 130. The movable flap assembly can be of the following structure:

[0067] A flip plate 410, wherein two slide plates are provided on the flip plate 410, and slide plates are provided with slide grooves;

[0068] A support rod connecting plate 420, the support rod connecting plate 420 is fixed on the rear vertical plate 130;

[0069] The flip plate 410 is hinged on the support rod connecting plate 420;

[0070] The support rod 430 has one end hinged on the support rod connecting plate 420 and the other end adapted to be slidably embedded in the slide groove of the flip plate 410 .

[0071] In this embodiment, if Figure 6-8 and Figure 11-12 and Fig.14 As shown, the function of the slide groove is to provide space for the support rod 430 to slide. The support rod connecting plate 420 is fixed on the rear vertical plate 130 and serves as the rotation fulcrum of the flip plate 410. When in use, one end of the flip plate 410 is lifted upward, and the flip plate 410 rotates around the hinge, driving the support rod 430 to slide in the slide groove. When the flip plate 410 rotates to the end of the support rod 430 and is embedded in the locking mechanism at the end of the flip plate 410, the flipping and locking of the flip plate 410 is completed. The movable flap assembly can realize the upright function by supporting together with the anti-reverse wheel assembly, which is convenient for storage and transportation. A vertical plate bracket 1400 is also provided at the lower end of the rear vertical plate 130 for connecting with the assembly base 110.

[0072] Specifically, Figure 6-8 and Figure 11-12 and Fig.14 As shown, the wheelchair power assembly structure further includes an anti-reverse wheel assembly, and the anti-reverse wheel assembly is mounted on the assembly base 110;

[0073] After the flip plate 410 is opened and the support rod 430 is embedded in the slide groove of the flip plate 410, the flip plate 410 is suitable for contacting the ground together with the anti-reverse wheel assembly to support the assembly frame.

[0074] In this embodiment, if Figure 6-8 and Figure 11-12 and Fig.14 As shown, the function of the anti-reverse wheel assembly is to support the wheelchair together with the flip plate 410 when the wheelchair power assembly structure is in an upright position, so as to save space and place the wheelchair upright.

[0075] Specifically, Figure 8 and Fig.14 As shown, the wheelchair power assembly structure also includes an anti-reverse wheel assembly, which is installed on the assembly base 110 and includes two rear wheels 800.

[0076] In this embodiment, if Figure 6-8 and Figure 11-12 and Fig.14 As shown, the rear wheel 800 can be a common small tire, installed at the rear of the assembly base 110. At the same time, the anti-reverse wheel assembly can achieve the stability of the normal driving of the wheelchair and ensure the safety of use. In some embodiments, the number of rear wheels 800 is not limited to two, and can be set according to specific needs.

[0077] Specifically, Figure 6-8 and Figure 11-12 and Fig.14 As shown, the movable flap assembly also includes two elastic buckles, and the elastic buckles can be of the following structure:

[0078] A locking block 440, which is hinged on the slide plate of the flip plate 410, and one end of the locking block 440 is provided with a locking groove suitable for engaging the support rod 430 on the slide groove;

[0079] The abutment spring 450 is installed between the other end of the locking block 440 and the flip plate 410. The abutment spring 450 is suitable for driving the locking groove of the locking block 440 to fix the support rod 430 on the slide groove.

[0080] In this embodiment, if Figure 6-8 and Figure 11-12 and Fig.14 As shown, the function of the elastic buckle is to lock the support rod 430 on the locking groove on the slide. When the flip plate 410 flips, the support rod 430 will slide in the slide. When it slides to the position of the locking groove of the locking block 440, the locking groove engages and fixes the support rod 430. The elastic force of the abutment spring 450 will press the support rod 430 to complete the locking of the flip plate 410, which can reliably lock the flip plate 410 and prevent the flip plate 410 from closing accidentally. Two elastic buckles are set at both ends of the slide of the slide plate.

[0081] The flip plate 410 is pulled, and the upper end of the flip plate 410 rotates around the support rod connecting plate 420, and the other end of the support rod 430 is driven to rotate and move in the slide groove of the flip plate 410. When the other end of the support rod 430 moves into the elastic buckle on the flip plate 410, one end of the support rod 430 is squeezed and deformed outward by the raised arc surface on the support rod connecting plate 420 and passes through the highest point of the raised arc surface to the bottom of the raised arc surface. At this time, the raised arc surface clamps this end of the support rod 430, and the other end of the support rod 430 is fixed in the locking groove of the locking block 440. At this time, the support rod 430 abuts against the rear vertical plate 130 and the flip plate 410, so as to fix the rotation of the flip plate 410. Pressing the locking block 440 can make the locking block 440 loosen the locking groove to release the support rod 430 and allow the flip plate 410 to resume rotation.

[0082] Specifically, Figure 1-3 and Fig.14 As shown, a separation operating component 500 is also hinged on the assembly frame, and a locking hole is provided on the separation operating component 500;

[0083] The wheelchair power assembly structure further includes a frame connector 600, which is adapted to be embedded in the installation gap formed between the separation control component 500 and the assembly frame, and a matching locking hole matching the locking hole is provided on the frame connector 600;

[0084] The separation operating component 500 is also provided with an elastic locking pin 510, which is suitable for passing through the locking hole and the matching locking hole in sequence to fix the frame connecting member 600 on the assembly frame.

[0085] In this embodiment, if Figure 1-4 and Fig.14 As shown, when separation is required, the elastic locking pin 510 is pulled out, the separation operating component 500 is rotated, and then the frame connecting member 600 can be taken out to separate them, thereby realizing the separation of the power assembly and the frame. A slot-type hemispherical convex positioning block 140 is also provided on the left and right sides of the assembly base 110, and a hemispherical concave positioning block 620 is also provided on the frame connecting member 600. The slot-type hemispherical convex positioning block 140 can be conveniently connected with the hemispherical concave positioning block 620. In addition, a slot is provided at the front end of the drive motor, and quick assembly can be achieved by cooperating with the slot-type hemispherical convex positioning block 140. The other end of the drive motor is connected to the two ends of the assembly base 110 to complete the assembly of the drive motor. A rolling sleeve 630 is provided on the frame connecting part 600; a tightening screw 530 for tightening the rolling sleeve 630 is provided on the separation operating component 500, and a thin rope 520 that can be connected together is also provided on the two elastic locking pins 510. The thin rope 520 can be made of plastic, metal or other materials.

[0086] Specifically, Figure 1 and Figure 3-5and Fig.14 As shown, a row of elastic contacts 150 is provided at a corresponding position on the assembly frame that contacts the frame connecting member 600 , and a row of metal contacts 610 that matches the row of elastic contacts 150 is provided on the frame connecting member 600 .

[0087] In this embodiment, if Figure 1 and Figure 3-5 and Fig.14 As shown, the electrical connection between the electrical components on the assembly frame and the frame connector 600 is realized. The elastic contact row 150 is made of conductive elastic material and can make reliable electrical contact with the metal contact row 610 on the frame connector 600. By providing the elastic contact row 150 and the metal contact row 610, a quick electrical connection between the assembly frame and the frame connector 600 is realized, and there is no need to manually connect the wires, which simplifies the installation process and improves the reliability of the electrical connection.

[0088] Specifically, Fig.10 and Fig.14 As shown, the wheelchair power assembly structure further includes two audio components 700 , which are mounted on the side panels 120 .

[0089] In this embodiment, if Figure 4-5 and Fig.10 and Fig.14 As shown, the setting of the audio component 700 can provide music entertainment function for the wheel user. The audio component 700 is installed on the side panel 120, which can utilize the space of the side panel 120 and also facilitate the propagation of the audio sound. The power connection of the audio component 700 can be carried out through the aforementioned elastic contact row 150 and the metal contact row 610. The audio signal can also be transmitted through the elastic contact row 150 and the metal contact row 610, or a Bluetooth module or AUX interface is set for transmission. In some embodiments, the number of audio components 700 is not limited to two, and can be set according to specific needs.

[0090] Specifically, Figure 3 and Fig.10 and Fig.14 As shown, decorative cover plates 900 are provided on both sides of the assembly base 110 , and audio cover holes are provided on the decorative cover plates 900 at positions corresponding to the audio components 700 .

[0091] In this embodiment, if Figure 3 and Fig.10 and Fig.14As shown, the setting of the decorative cover plate 900 can play a decorative role on the one hand, and can also play a role in protecting the internal components on the other hand. In order to make the sound of the audio component 700 sound smoothly, an audio cover hole is specially opened on the decorative cover plate 900 corresponding to the position of the audio component 700. The size of the audio cover hole needs to match the size of the audio unit of the audio component 700 to ensure the continuity of the sound. A brake handle 1210 is also provided on the decorative cover plate 900, and a brake connecting plate 1220 is provided on the brake handle 1210. The brake connecting plate 1220 is connected to the brake of the hub-type integrated drive motor 1100 through a brake rotating plate 1230. Pulling the brake handle upward can switch to manual mode, and pressing the brake handle can switch to electric mode. The brake handle increases the beauty of the product while ensuring the performance. A wheel cover 1300 is also provided on the brake.

[0092] The specific embodiments described above further illustrate the technical problems, technical solutions and beneficial effects solved by the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A wheelchair power assembly structure, characterized in that: include: An assembly frame, the assembly frame comprising an assembly base (110) and side panels (120) arranged on both sides of the assembly base (110); A power battery (200), wherein the power battery (200) is provided with a battery locking mechanism, wherein the battery locking mechanism comprises: A locking block (210), a locking block mounting groove is provided on the side of the power battery (200), the locking block (210) is limitedly slidably arranged in the locking block mounting groove, an inclined guiding inclined surface is provided on the locking block (210), and a spring (220) suitable for pushing the locking block (210) to pop outward is provided between the locking block (210) and the locking block mounting groove; An unlocking button (230), wherein the upper surface of the power battery (200) is provided with an unlocking button mounting groove which is connected to the locking block mounting groove, wherein the unlocking button (230) is limitedly slidably arranged in the unlocking button mounting groove, wherein the unlocking button (230) is provided with a matching inclined guiding inclined surface, wherein when the unlocking button (230) is pressed, the matching inclined guiding inclined surface abuts against the inclined guiding inclined surface to drive the locking block (210) to move in the locking block mounting groove; The assembly base (110) and the side plate (120) form a power battery fixing seat suitable for installing the power battery (200), and the side plate (120) is provided with a locking groove suitable for cooperating with the locking block (210).

2. The wheelchair power assembly structure according to claim 1, characterized in that: The assembly base (110) is also provided with a compression-rebound mechanism, and the compression-rebound mechanism includes at least one return spring (111); The return spring (111) is in a compressed state when the power battery (200) is installed on the power battery fixing seat.

3. The wheelchair power assembly structure according to claim 1, characterized in that: It also includes a power supply connection assembly (300), wherein the power supply connection assembly (300) is fixed in the power battery fixing seat; The power supply connection component (300) is provided with a power supply interface (310); The power battery (200) is provided with a power supply interface (240) matching the power supply interface (310).

4. The wheelchair power assembly structure according to claim 1, characterized in that: The assembly frame further comprises a rear upright plate (130) fixed on the side plate (120), a movable flap assembly being hingedly connected to the rear upright plate (130), and the movable flap assembly comprising: A flip plate (410), wherein the flip plate (410) is provided with at least one slide plate, and the slide plate is provided with a slide groove; A support rod connecting plate (420), wherein the support rod connecting plate (420) is fixed on the rear vertical plate (130); The flip plate (410) is hinged on the support rod connecting plate (420); A support rod (430), one end of which is hinged on the support rod connecting plate (420), and the other end of which is suitable for sliding and embedding in the sliding groove of the flip plate (410).

5. The wheelchair power assembly structure according to claim 4, characterized in that: The movable flap assembly further comprises at least one elastic buckle, and the elastic buckle comprises: A locking block (440), the locking block (440) being hinged on the slide plate of the flip plate (410), and one end of the locking block (440) being provided with a locking groove suitable for engaging the support rod (430) on the slide groove; An abutment spring (450), wherein the abutment spring (450) is installed between the other end of the locking block (440) and the flip plate (410), and the abutment spring (450) is suitable for driving the locking groove of the locking block (440) to fix the support rod (430) on the sliding groove.

6. The wheelchair power assembly structure according to claim 4, characterized in that: It also includes an anti-reverse wheel assembly, which is installed on the assembly base (110); After the flip plate (410) is opened and the support rod (430) is embedded in the slide groove of the flip plate (410), the flip plate (410) is suitable for supporting the assembly frame together with the anti-reverse wheel assembly.

7. The wheelchair power assembly structure according to claim 1, characterized in that: It also includes an anti-reverse wheel assembly, which is installed on the assembly base (110) and includes at least one rear wheel (800).

8. The wheelchair power assembly structure according to claim 1, characterized in that: A separation operating component (500) is also hinged on the assembly frame, and a locking hole is provided on the separation operating component (500); It also includes a frame connecting member (600), the frame connecting member (600) is suitable for being embedded in the installation gap formed between the separation operating component (500) and the assembly frame, and the frame connecting member (600) is provided with a matching locking hole matching with the locking hole; The separation operating component (500) is also provided with an elastic locking pin shaft (510), and the elastic locking pin shaft (510) is suitable for sequentially passing through a locking hole and a matching locking hole to fix the frame connecting component (600) on the assembly frame.

9. The wheelchair power assembly structure according to claim 8, characterized in that: A corresponding position on the assembly frame that contacts the vehicle frame connecting member (600) is provided with an elastic contact row (150), and the vehicle frame connecting member (600) is provided with a metal contact row (610) that matches the elastic contact row (150).

10. The wheelchair power assembly structure according to claim 1, characterized in that: It also includes at least one audio component (700), wherein the audio component (700) is mounted on the side panel (120).

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