A quick release device for a rear-mounted carrier of an electric vehicle

Abstract

The utility model provides a kind of quick release device of electric vehicle rear storage rack, including substrate, the bottom of the substrate is welded with the mounting piece for being connected with the mounting of electric vehicle rear seat, the bottom of the substrate is provided with elastic locking structure, the top of the substrate is connected with bottom plate by elastic locking structure, the outer side wall of the outer side wall of the bottom plate is rotatably connected with main body box by hinging piece, the main body box is connected with substrate by elastic positioning device, the top of the main body box is rotatably connected with cover plate, the inside of the main box is provided with telescopic fixing device for fixing cover plate vertical to increase height, the top of the cover plate is provided with closure device for closure;The utility model, by increasing elastic locking structure and elastic positioning device one-key disassembly, save disassembly time and improve disassembly efficiency.

Description

Technical Field

[0001] This utility model relates to the field of quick-release and detachment structures for rear racks of electric vehicles, and in particular to a quick-release device for rear racks of electric vehicles. Background Technology

[0002] Electric bicycles, also known as "electric vehicles," are pure electric vehicles powered by batteries and driven by electric motors. In recent years, they have become very popular in my country.

[0003] In China, electric vehicles are mainly used for sightseeing, passenger transport, security patrols, and cargo handling. Electric sightseeing vehicles are primarily used for passenger transport in parks, scenic areas, resorts, universities, hospitals, golf courses, and real estate companies. Electric patrol vehicles are mainly used for security patrols in station squares and densely populated areas. Electric transport vehicles are mainly used in factories, ports, and logistics warehouses. Electric sanitation vehicles are mainly used for cleaning sites, washing roads, and transporting garbage. The lifespan of electric vehicles is generally 8 to 12 years, and the lifespan of their batteries is generally 1 to 4 years.

[0004] Currently, most electric vehicle rear racks use bolt fixing or snap-on connections, which have the following problems: cumbersome disassembly and assembly, requiring tools, which is time-consuming and inconvenient; insufficient stability, as traditional snaps are prone to loosening, and the rack is prone to falling off on bumpy roads; and poor adaptability, as the rack angle or height cannot be flexibly adjusted to accommodate different cargo sizes. Utility Model Content

[0005] To address the problems of cumbersome disassembly and assembly requiring tools, which is time-consuming and inconvenient; insufficient stability, with traditional buckles easily loosening and the rack easily falling off on bumpy roads; and poor adaptability, as the rack angle or height cannot be flexibly adjusted to accommodate different cargo sizes, this utility model provides a quick-release device for the rear rack of an electric vehicle.

[0006] The quick-release device for the rear rack of an electric vehicle provided by this utility model adopts the following technical solution:

[0007] A quick-release device for a rear rack in an electric vehicle includes a base plate. The bottom of the base plate is welded with an mounting component for connection and installation with the rear seat of the electric vehicle. The bottom of the base plate is provided with an elastic locking structure. The top of the base plate is connected to a base plate via the elastic locking structure. The outer side wall of the base plate is rotatably connected to a main body box via a hinge. The main body box is connected to the base plate via an elastic positioning device. The top of the main body box is rotatably connected to a cover plate. The interior of the main body box is provided with a telescopic fixing device for fixing the cover plate vertically to increase its height. The top of the cover plate is provided with a closing device for sealing.

[0008] Furthermore, the elastic locking structure includes a guide plate, a plug-in plate, a limiting protrusion, a locking pin, a built-in spring, a baffle plate, a slide rod, and a support plate. Guide plates are provided on both sides of the base plate, and a guide groove is formed on the outer wall of the guide plate. Plug-in plates are provided on both sides of the base plate, and a limiting protrusion is fixedly connected to the inner wall of the plug-in plate. A slot is formed on the inner wall of the plug-in plate. A baffle plate is welded to the bottom of the base plate. The baffle plate has an "n" shaped cross-section. One end of a built-in spring is welded to the inner wall of the baffle plate, and a locking pin is welded to the other end of the built-in spring. The locking pin extends through the inner wall of the guide plate to the guide groove. One end of a slide rod is welded to the bottom of the locking pin. The built-in spring is sleeved on the outer wall of the slide rod, and the other end of the slide rod extends through the baffle plate to the outside of the baffle plate. A support plate is welded to the bottom of the base plate to prevent the slide rod from falling off. The limiting protrusion slides inside the guide groove, and the locking pin corresponds one-to-one with the slot.

[0009] Furthermore, the elastic positioning device includes a positioning plate, an elastic pin, and a lever. The positioning plate is welded to the top of the base plate, and a positioning hole is opened on the inner side wall of the positioning plate. An elastic pin is provided inside the main body box. One end of the elastic pin is connected to a lever, and the other end of the elastic pin passes through the outer side wall of the main body box and corresponds one-to-one with the positioning hole.

[0010] Furthermore, the telescopic fixing device includes a telescopic rod and a fixing block. One end of the telescopic rod is fixedly connected to the inner side wall of the main body box, and the other end of the telescopic rod is rotatably connected to the fixing block. The fixing block is used in conjunction with the cover plate.

[0011] Furthermore, the sealing device includes an automatic cable reel, a slot, and an elastic buckle. A slot is fixedly installed on the top of one side of the cover plate, and an automatic cable reel is fixedly installed on the top of the opposite side of the cover plate. The automatic cable reel has a binding strap inside, and an elastic buckle is connected to a fixing block at one end of the binding strap. The elastic buckle is used in conjunction with the slot.

[0012] Furthermore, a silicone pad for anti-slip cushioning is provided on the top of the base plate;

[0013] Furthermore, the bottom edge of the main body box near the positioning plate is rounded.

[0014] In summary, the beneficial effects of this utility model are as follows:

[0015] Quick assembly and disassembly, easy to operate by hand, no tools required, installation or disassembly completed within 3 seconds; high stability, elastic locking structure and silicone pad design ensure no loosening under bumpy road conditions; flexible adaptation, by adding telescopic fixing device and hinge, it supports dual adjustment of the height and angle of the main box, compatible with different sized goods and vehicle models; efficient and convenient to use, by adding a sealing device to save the efficiency of sealing goods, and by adding an elastic locking structure and elastic positioning device to save disassembly time and improve disassembly efficiency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the overall structure of the substrate of this utility model;

[0019] Figure 4 This is a schematic diagram of the overall structure of the substrate of this utility model;

[0020] Figure 5 This is a schematic diagram of the overall structure of the main body box of this utility model;

[0021] Figure 6 This is a schematic diagram of the overall structure of the main body box of this utility model;

[0022] Figure 7 This is a schematic diagram of the overall structure of the main body box of this utility model.

[0023] As shown in the figure: 1-Base plate, 11-Mounting part, 12-Guide plate, 121-Guide groove, 13-Positioning plate, 14-Locking pin, 15-Built-in spring, 16-Blocking plate, 17-Slide rod, 18-Support plate, 2-Main body box, 20-Base plate, 21-Elastic pin, 211-Pulley, 22-Plug-in plate, 23-Limiting protrusion, 231-Card slot, 24-Cover plate, 251-Slot, 252-Automatic winding box, 253-Elastic buckle, 261-Telescopic rod, 262-Fixing block, 27-Hinge. Detailed Implementation

[0024] The following is in conjunction with the appendix Figure 1-7 The present invention will be further described in detail below:

[0025] This utility model discloses a quick-release device for the rear rack of an electric vehicle, such as... Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7As shown, a quick-release device for a rear rack in an electric vehicle includes a base plate 1. A mounting component 11 for connecting and installing with the rear seat of the electric vehicle is welded to the bottom of the base plate 1. An elastic locking structure is provided at the bottom of the base plate 1. A base plate 20 is connected to the top of the base plate 1 via the elastic locking structure. A main body box 2 is rotatably connected to the outer wall of the base plate 20 via a hinge 27. The main body box 2 is connected to the base plate 1 via an elastic positioning device. A cover plate 24 is rotatably connected to the top of the main body box 2. An extension fixing device is provided inside the main body box to fix the cover plate 24 vertically to increase its height. The top of plate 24 is provided with a sealing device for closure; the top of bottom plate 20 is provided with a silicone pad for anti-slip cushioning; the bottom edge of the main body box 2 near the positioning plate 13 is rounded; in this embodiment, by adding an elastic locking structure and an elastic positioning device for one-click disassembly, disassembly time is saved and disassembly efficiency is improved; by adding a hinge 27 and rounding the side of the main body box 2, the main body box 2 can be tilted; by adding a telescopic fixing device, it can adapt to goods of different sizes and increase the height of the main body box 2; by adding a silicone pad for anti-slip cushioning, it is more stable;

[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7As shown, the elastic locking structure includes a guide plate 12, a plug-in plate 22, a limiting protrusion 23, a locking pin 14, a built-in spring 15, a baffle plate 16, a slide rod 17, and a support plate 18. Guide plates 12 are provided on both sides of the base plate 1, and guide grooves 121 are formed on the outer walls of the guide plates 12. Plug-in plates 22 are provided on both sides of the base plate 20, and limiting protrusions 23 are fixedly connected to the inner walls of the plug-in plates 22. Slots 231 are formed on the inner walls of the plug-in plates 22. A baffle plate 16 is welded to the bottom of the base plate 1. The baffle plate 16 has an "n"-shaped cross-section. One end of the built-in spring 15 is welded to the inner wall of the baffle plate 16, and a locking pin 14 is welded to the other end of the built-in spring 15. The locking pin 14 extends through the inner wall of the guide plate 12 to the guide groove 121. A slide rod 17 is welded to the bottom of the locking pin 14. At one end, a built-in spring 15 is sleeved on the outer wall of the slide rod 17. The other end of the slide rod 17 extends through the baffle 16 to the outside of the baffle 16. A support plate 18 for preventing the slide rod 17 from falling off is welded to the bottom of the base plate 1. The limiting protrusion 23 slides inside the guide groove 121. The locking pin 14 corresponds one-to-one with the slot 231. In this embodiment, by adding the locking pin 14, when the limiting protrusion 23 slides into the guide groove 121, it hits the inclined surface of the locking pin 14, which presses the locking pin 14 down and the limiting protrusion 23 slides forward. When it encounters the slot 231, the locking pin 14 is pushed up by the built-in spring 15 to block the limiting protrusion 23 and prevent it from moving backward. By adding the slide rod 17, the two slide rods 17 can be pulled inward by hand, so that the locking pin 14 compresses the built-in spring 15 downward, and the limiting protrusion 23 can be retracted.

[0027] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 As shown, the elastic positioning device includes a positioning plate 13, an elastic pin 21, and a lever 211. The positioning plate 13 is welded to the top of the base plate 1. The inner side wall of the positioning plate 13 has a positioning hole. The main body box 2 is provided with an elastic pin 21. One end of the elastic pin 21 is connected to the lever 211, and the other end of the elastic pin 21 passes through the outer side wall of the main body box 2 and corresponds to the positioning hole. In this embodiment, by adding the elastic pin 21, the elastic pin 21 is inserted into the positioning hole for fixation. When the main body box 2 needs to be tilted, the lever 211 is pulled to retract the elastic pin 21 and release the fixation.

[0028] like Figure 1 , Figure 2 , Figure 5 , Figure 6As shown, the telescopic fixing device includes a telescopic rod 261 and a fixing block 262. One end of the telescopic rod 261 is fixedly connected to the inner side wall of the main body box 2, and the other end of the telescopic rod 261 is rotatably connected to the fixing block 262. The fixing block 262 works in conjunction with the cover plate 24. In this embodiment, by adding the telescopic rod 261, when the size of the goods is large and the height of the main body box 2 needs to be increased, the cover plate 24 is made vertical, the telescopic rod 261 is pulled upward, and the fixing block 262 is rotated to lock the two adjacent cover plates 24 to keep them vertically fixed, thereby increasing the height of the main body box 2.

[0029] like Figure 7 As shown, the sealing device includes an automatic reel box 252, a slot 251, and an elastic buckle 253. The slot 251 is fixedly installed on the top of one side cover plate 24, and the automatic reel box 252 is fixedly installed on the top of the opposite side cover plate 24. The automatic reel box 252 has a binding strap inside, and one end of the binding strap is fixedly connected to the elastic buckle 253. The elastic buckle 253 works in conjunction with the slot 251. In this embodiment, by adding the automatic reel box 252, the binding strap can be automatically retracted and can be extended and retracted according to the height of the goods to be bound, which is convenient and easy.

[0030] The implementation principle of this utility model embodiment is as follows:

[0031] Align the insertion plate 22 of the base plate 20 with the guide groove 121. When the limiting protrusion 23 slides into the guide groove 121, it encounters the inclined surface of the locking pin 14. The locking pin 14 presses down on the limiting protrusion 23 and slides it forward. When it encounters the slot 231, the locking pin 14 is pushed upward by the built-in spring 15, blocking the limiting protrusion 23 and preventing it from moving backward, thus achieving locking. At the same time, the elastic pin 21 is inserted into the positioning hole of the positioning plate 13 for limiting and fixing. When it is necessary to tilt the main body box 2, pull the lever 211 to retract the elastic pin 21 and release the fixation. Under the action of the hinge 27, the main body box 2 is tilted; when it is necessary to raise the height of the main body box 2, the cover plate 24 is verticalized, the telescopic rod 261 is pulled upward, and the fixing block 262 is rotated to lock the two adjacent cover plates 24 to keep them vertical and fixed, so as to increase the height of the main body box 2; when it is necessary to disassemble the main body box 2, the slide rod 17 is pulled inward by reaching into the bottom of the base plate 1 to compress the locking pin 14 downward and the built-in spring 15, and the main body box 2 is pulled outward so that the limiting protrusion 23 slides out of the guide groove 121, thus completing the disassembly.

[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. The various components mentioned in this utility model are common technologies in the existing field. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A quick-release device for a rear rack of an electric vehicle, comprising a base plate (1), characterized in that: The bottom of the substrate (1) is welded with an mounting piece (11) for connecting and installing with the rear seat of an electric vehicle. The bottom of the substrate (1) is provided with an elastic locking structure. The top of the substrate (1) is connected to a base plate (20) through the elastic locking structure. The outer side wall of the base plate (20) is rotatably connected to a main body box (2) through a hinge (27). The main body box (2) is connected to the substrate (1) through an elastic positioning device. The top of the main body box (2) is rotatably connected to a cover plate (24). The inside of the main body box (2) is provided with a telescopic fixing device for fixing the cover plate (24) vertically to increase its height. The top of the cover plate (24) is provided with a closing device for closing.

2. The quick-release device for the rear rack of an electric vehicle according to claim 1, characterized in that: The elastic locking structure includes a guide plate (12), a plug plate (22), a limiting protrusion (23), a locking pin (14), a built-in spring (15), a baffle plate (16), a slide rod (17), and a support plate (18). Guide plates (12) are provided on both sides of the base plate (1). A guide groove (121) is provided on the outer wall of the guide plate (12). Plug plates (22) are provided on both sides of the base plate (20). A limiting protrusion (23) is fixedly connected to the inner wall of the plug plate (22). A slot (231) is provided on the inner wall of the plug plate (22). A baffle plate (16) is welded to the bottom of the base plate (1). The cross-sectional shape of the baffle plate (16) is "n". 6) The inner sidewall is welded with one end of a built-in spring (15), and the other end of the built-in spring (15) is welded with a locking pin (14). The locking pin (14) extends through the inner sidewall of the guide plate (12) to the guide groove (121). The bottom of the locking pin (14) is welded with one end of a slide rod (17). The built-in spring (15) is sleeved on the outer sidewall of the slide rod (17). The other end of the slide rod (17) extends through the baffle (16) to the outside of the baffle (16). The bottom of the base plate (1) is welded with a support plate (18) to prevent the slide rod (17) from falling off. The limiting protrusion (23) slides inside the guide groove (121). The locking pin (14) corresponds one-to-one with the slot (231).

3. The quick-release device for the rear rack of an electric vehicle according to claim 1, characterized in that: The elastic positioning device includes a positioning plate (13), an elastic pin (21), and a lever (211). The top of the base plate (1) is welded with a positioning plate (13). The inner side wall of the positioning plate (13) is provided with a positioning hole. The interior of the main body box (2) is provided with an elastic pin (21). One end of the elastic pin (21) is connected to a lever (211). The other end of the elastic pin (21) passes through the outer side wall of the main body box (2) and corresponds one-to-one with the positioning hole.

4. The quick-release device for the rear rack of an electric vehicle according to claim 1, characterized in that: The telescopic fixing device includes a telescopic rod (261) and a fixing block (262). One end of the telescopic rod (261) is fixedly connected to the inner side wall of the main body box (2), and the other end of the telescopic rod (261) is rotatably connected to the fixing block (262). The fixing block (262) is used in conjunction with the cover plate (24).

5. The quick-release device for the rear rack of an electric vehicle according to claim 1, characterized in that: The enclosure includes an automatic winding box (252), a slot (251), and an elastic buckle (253). The slot (251) is fixedly installed on the top of one side of the cover plate (24), and the automatic winding box (252) is fixedly installed on the top of the opposite side of the cover plate (24). The automatic winding box (252) has a binding strap inside, and one end of the binding strap is fixedly connected to the elastic buckle (253). The elastic buckle (253) is used in conjunction with the slot (251).

6. The quick-release device for the rear rack of an electric vehicle according to claim 1, characterized in that: The top of the base plate (20) is provided with a silicone pad for anti-slip cushioning.

7. A quick-release device for a rear rack of an electric vehicle according to claim 3, characterized in that: The bottom edge of the main body box (2) near the positioning plate (13) is rounded.

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