Vehicle-mounted power supply locking mechanism of electric vehicle

Abstract

The invention relates to the technical field of anti-theft of electric vehicles, and provides a locking mechanism for a vehicle-mounted power supply of an electric vehicle, which is convenient for protecting the vehicle-mounted power supply of the electric vehicle, prevents the vehicle-mounted power supply from being stolen, does not influence the normal use of heat dissipation, charging, maintenance and other operations of the vehicle-mounted power supply, and comprises a power supply box, a power supply body, a fixed seat and a protective cover, the power source body is arranged in the power source box, the fixing base is fixedly connected to the power source box, a fixing plate is fixedly connected to the power source body, a connecting assembly used for connecting the fixing plate to the fixing base is arranged between the fixing plate and the fixing base, and the protective cover is arranged on the power source box. The protective cover and the power supply box are directly provided with an installation assembly used for installing the protective cover on the power supply box, the installation assembly comprises a clamping plate, a rotating screw rod, a threaded block, a connecting plate and a driving assembly, the clamping plate is slidably connected to the protective cover, a clamping groove matched with the clamping plate is formed in the power supply box, and the rotating screw rod is rotatably connected to the clamping plate.

Description

Technical Field

[0001] The invention relates to the technical field of electric vehicle anti-theft, and in particular to a vehicle-mounted power supply locking mechanism for an electric vehicle. Background Art

[0002] Electric vehicles are a very convenient means of short-distance transportation. They are already very popular in our lives. Electric vehicles are usually referred to as vehicles that use batteries as their energy source and convert electrical energy into mechanical energy through controllers, motors and other components to control the current size to change the speed of the vehicle. The battery of an electric vehicle is also the on-board power supply, but now there are common thefts of electric vehicles and on-board power supplies.

[0003] The existing patent publication number is CN201391156Y, which provides working power to the electrical control system of the anti-theft lock through the original Hall sensor of the motor of the electric vehicle driving wheel, so that the locking mechanism of the anti-theft lock can be installed inside the motor of the electric vehicle driving wheel. From the appearance of the vehicle body, it cannot be seen where the anti-theft lock is installed on the vehicle body, making it impossible for thieves to start, thereby achieving the best anti-theft effect; there is also a patent publication number CN111137378A, which is an environmentally friendly electric vehicle anti-theft device, which directly installs the locking structure in the vehicle's shaft sleeve and is integrated with the vehicle, making it impossible for thieves to start, effectively improving the vehicle's anti-theft performance.

[0004] As the anti-theft measures of electric vehicles are getting better and better, and electric vehicles are difficult to carry, thieves now choose to steal the on-board power supply. Because the on-board power supply needs to dissipate heat and often needs to be repaired and charged, the on-board power supply cannot be placed in a completely enclosed space, which also gives thieves an opportunity to take advantage. Summary of the invention

[0005] In view of the deficiencies of the prior art, the present invention provides a locking mechanism for an on-board power supply of an electric vehicle to solve the problem of the theft of the on-board power supply of the prior art mentioned in the background art.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a vehicle-mounted power locking mechanism for an electric vehicle, comprising a power box, a power body, a fixing seat and a protective cover, wherein the power body is arranged in the power box, the fixing seat is fixedly connected to the power box, a fixing plate is fixedly connected to the power body, a connecting component for connecting the fixing plate to the fixing seat is arranged between the fixing plate and the fixing seat, the protective cover is arranged on the power box, and an installation component for installing the protective cover on the power box is directly arranged between the protective cover and the power box.

[0007] Preferably, the connecting component includes a sliding plate, a connecting column and an opposing component, two sliding plates are provided, and the two sliding plates are both slidably connected to the fixed seat, multiple connecting columns are provided, and the multiple connecting columns are respectively fixedly connected to the two sliding plates, and the fixed plate is provided with a connecting groove matching the connecting column, and the opposing component is arranged on the fixed seat for driving the two sliding plates to slide toward each other.

[0008] Furthermore, the opposing components include a swivel seat, a rotating plate, a turntable and a multi-stage telescopic electric push rod. The swivel seat is slidably connected to the fixed seat, two rotating plates are provided, and the two rotating plates are rotatably mounted on the swivel seat, two turntables are provided, and the two turntables are rotatably mounted on the two rotating plates, and the two turntables are respectively fixedly connected to the two sliding plates, a storage groove is provided on the fixed seat, the multi-stage telescopic electric push rod is fixedly installed in the storage groove, and the swivel seat is fixedly connected to the output end of the multi-stage telescopic electric push rod.

[0009] Furthermore, a positioning column is fixedly connected to the power source body, a positioning block is fixedly connected to the fixing seat, and a positioning groove matching the positioning column is formed on the positioning block.

[0010] Furthermore, a photosensor is fixedly mounted on the power source body, a sound and light alarm is fixedly mounted on the power source box, and a single-chip microcomputer module is arranged between the photosensor and the sound and light alarm.

[0011] Preferably, on the basis of the above scheme, the mounting assembly includes a card plate, a rotating screw, a threaded block, a connecting plate and a driving assembly, four card plates are provided, the card plates are slidably connected to the protective cover, and a card slot matching the card plate is provided on the power box, four rotating screws are provided, the rotating screws are rotatably connected to the card plate, four threaded blocks are provided, the threaded blocks are threadedly sleeved on the rotating screw, and the threaded block is fixedly connected to the protective cover, two connecting plates are provided, the connecting plate is provided between two rotating screws located on the same side, the rotating screw is rotatably connected to the connecting plate, and the driving assembly is provided on the connecting plate for driving the rotating screw to rotate.

[0012] Further on the basis of the above scheme, the driving assembly includes a protection box, a rotating rod, a transmission wheel, a transmission belt and a motor, the protection box is fixedly connected to the connecting plate, two rotating rods are provided, the rotating rods are rotatably connected to the protection box, and the rotating rod passes through the connecting plate and is fixedly connected to the rotating screw, two transmission wheels are provided, the two transmission wheels are respectively fixedly mounted on the two rotating rods, the transmission belt is transmission-connected to the two transmission wheels, the motor is fixedly mounted on the protection box, and the output end of the motor passes through the protection box and is concentrically connected to one of the rotating rods.

[0013] Further on the basis of the above scheme, a plurality of heat dissipation openings are provided on the power box, a baffle is rotatably connected to the heat dissipation opening via a rotating shaft, and a linkage component for driving the plurality of baffles to rotate simultaneously is provided between the plurality of baffles on one side.

[0014] Further on the basis of the above scheme, the linkage component includes an arc-shaped slide rail, a sliding block, a connecting seat, a rotating block, a linkage plate and a limit assembly, the arc-shaped slide rail is provided in plurality, and the plurality of arc-shaped slide rails are fixedly connected at the plurality of heat dissipation ports, the sliding blocks are provided in plurality, and the plurality of sliding blocks are respectively slidably connected to the plurality of arc-shaped slide rails, and the sliding block is fixedly connected to the baffle, the connecting seats are provided in plurality, and the plurality of connecting seats are respectively fixedly connected to the plurality of baffles, the rotating blocks are provided in plurality, and the plurality of rotating blocks are respectively rotatably mounted on the plurality of connecting seats, the linkage plate is fixedly connected to the plurality of rotating blocks, and the limit assembly is provided on the power box for limiting the linkage plate.

[0015] Specifically based on the above scheme, the limit assembly includes a closing limit rod, an opening limit rod and a limit hole, the closing limit rod is fixedly connected to the power box, the opening limit rod is slidably connected to the power box, and the limit hole is arranged on the linkage plate, and the limit hole matches the closing limit rod and the opening limit rod.

[0016] In summary, the present invention includes at least one of the following beneficial technical effects:

[0017] The electric vehicle on-board power locking mechanism connects the fixing plate to the fixing seat through the connecting component, so that the power supply body can be installed in the power box, and the protective cover is installed on the power box through the installing component to lock the power supply body in the power box, thereby providing two layers of safety protection for the power supply body. Therefore, the electric vehicle on-board power locking mechanism is convenient for protecting the on-board power supply of the electric vehicle and preventing the on-board power supply from being stolen, and does not affect the normal use of the on-board power supply such as heat dissipation, charging, and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the structure of a partial cross-section of the present invention;

[0020] Figure 3 It is a schematic diagram of the structure of the power box, the fixing seat and the heat dissipation port of the present invention;

[0021] Figure 4 It is a schematic diagram of the exploded structure of the power supply body, the fixing seat and the fixing plate of the present invention;

[0022] Figure 5 It is a structural schematic diagram of another angle of the cooperation between the power source body, the fixing plate and the photosensitive sensor of the present invention;

[0023] Figure 6 It is a partial cross-sectional structural diagram of the cooperation of the sliding plate, the connecting column and the rotating seat of the present invention;

[0024] Figure 7 It is a schematic diagram of the structure of the cooperation of the rotating seat, the rotating plate and the rotating table of the present invention;

[0025] Figure 8 It is a partial cross-sectional structural diagram of the protective cover, the card plate and the protective box of the present invention;

[0026] Fig. 9 It is a schematic diagram of the structure of a partial cross-section of the cooperation of the clamping plate, the rotating screw rod and the threaded block of the present invention;

[0027] Fig.10 It is a schematic diagram of a partial cross-section of the structure of the matching of the clamping plate, the rotating screw rod and the connecting plate of the present invention;

[0028] Fig.11 For the present invention Fig.10 A schematic diagram of the local enlarged structure at point A in the middle;

[0029] Fig.12 It is a schematic diagram of the structure of the connection seat, the rotating block and the linkage plate of the present invention;

[0030] Fig.13 It is a schematic diagram of the exploded structure of the connection seat, the rotating block and the linkage plate of the present invention;

[0031] Fig.14 For the present invention Fig.13 A schematic diagram of the local enlarged structure at B in the middle;

[0032] Fig.15 It is a schematic diagram of the system structure of the present invention.

[0033] In the figure: 1. power box; 2. power body; 3. fixing seat; 4. fixing plate; 5. protective cover; 6. sliding plate; 7. connecting column; 8. rotating seat; 9. rotating plate; 10. turntable; 11. multi-stage telescopic electric push rod; 12. positioning column; 13. positioning block; 14. positioning groove; 15. photosensitive sensor; 16. sound and light alarm; 17. single-chip microcomputer module; 18. card plate; 19. rotating screw; 20. threaded block; 21. connecting plate; 22. protective box; 23. rotating rod; 24. transmission wheel; 25. transmission belt; 26. motor; 27. heat dissipation port; 28. rotating shaft; 29. ​​baffle; 30. arc slide rail; 31. sliding block; 32. connecting seat; 33. rotating block; 34. linkage plate; 35. closing limit rod; 36. opening limit rod; 37. limit hole. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0036] Example 1

[0037] Reference Figures 1 to 15A vehicle-mounted power locking mechanism for an electric vehicle comprises a power box 1, a power body 2, a fixing seat 3 and a protective cover 5. The power body 2 is arranged in the power box 1, the fixing seat 3 is fixedly connected to the power box 1, a fixing plate 4 is fixedly connected to the power body 2, a connecting component for connecting the fixing plate 4 to the fixing seat 3 is arranged between the fixing plate 4 and the fixing seat 3, the connecting component comprises a sliding plate 6, a connecting column 7 and an opposing component, two sliding plates 6 are arranged, both sliding plates 6 are slidably connected to the fixing seat 3, a plurality of connecting columns 7 are arranged, and a plurality of connecting columns 7 are respectively fixedly connected to the two sliding plates 6, a connecting groove matching the connecting column 7 is opened on the fixing plate 4, and the opposing components are arranged on the fixing seat 3 for driving the two sliding plates 6 to slide towards each other, and the opposing components are arranged on the fixing seat 3. The assembly includes a swivel seat 8, a swivel plate 9, a swivel table 10 and a multi-stage telescopic electric push rod 11. The swivel seat 8 is slidably connected to the fixed seat 3. Two swivel plates 9 are provided. The two swivel plates 9 are rotatably sleeved on the swivel seat 8. Two swivel tables 10 are provided. The two swivel tables 10 are rotatably sleeved on the two swivel plates 9, and the two swivel tables 10 are respectively fixedly connected to the two sliding plates 6. A storage groove is provided on the fixed seat 3. The multi-stage telescopic electric push rod 11 is fixedly installed in the storage groove. The swivel seat 8 is fixedly connected to the output end of the multi-stage telescopic electric push rod 11. The power supply body 2 is placed on the fixed seat 3. The multi-stage telescopic electric push rod 11 drives the swivel seat 8 to slide in the direction away from the power supply body 2, and drives the swivel plate 9 to rotate between the swivel seat 8 and the swivel table 10, thereby bringing The two turntables 10 are moved closer to each other, and the two turntables 10 drive the two sliding plates 6 to slide toward each other. The sliding plate 6 drives the connecting column 7 to enter the connecting groove on the fixing plate 4, so that the fixing plate 4 is connected to the fixing seat 3, and the power supply body 2 can be fixed. The connecting column 7 and the fixing plate 4 are both located in the power box 1 and at the lower side of the power supply body 2. It is not easy for thieves to damage them, so it is not easy to disassemble the power supply body 2 and steal it. A positioning column 12 is fixedly connected to the power supply body 2, and a positioning block 13 is fixedly connected to the fixing seat 3. The positioning block 13 is provided with a positioning groove 14 matching the positioning column 12. By inserting the positioning column 12 into the positioning groove 14 on the positioning block 13, it is convenient to roughly determine the position of the power supply body 2, so that It is convenient to align the connecting column 7 with the connecting groove, and then to connect the power supply body 2. A photosensor 15 is fixedly installed on the power supply body 2. The photosensor 15 is a sensitive device that responds to or converts external light signals or light radiation. The photosensor 15 is a sensor that converts light signals into electrical signals using photosensitive elements. Its sensitive wavelength is near the visible light wavelength, including infrared wavelength and ultraviolet wavelength. An audible and visual alarm 16 is fixedly installed on the power supply box 1. The audible and visual alarm 16 can simultaneously emit two kinds of alarm signals, sound and light. A single-chip microcomputer module 17 is arranged between the photosensor 15 and the audible and visual alarm 16. When the power supply body 2 is placed in the power supply box 1, the photosensor 15 is in a dark space between the fixing seat 3 and the power supply body 2.When a thief steals the power source body 2, he needs to pick up the power source body 2 from the fixing base 3. At this time, the photosensitive sensor 15 will encounter the light source, and the photosensitive sensor 15 will convert the light signal into an electrical signal and then transmit it to the single-chip module 17. The single-chip module 17 analyzes the electrical signal and transmits the start command to the sound and light alarm 16, so that the sound and light alarm 16 turns on and emits sound and light to warn others that the power source body 2 is being stolen.

[0038] Reference Figures 1 to 15The protective cover 5 is arranged on the power box 1, and the protective cover 5 and the power box 1 are directly provided with an installation component for installing the protective cover 5 on the power box 1, the installation component includes a card plate 18, a rotating screw 19, a threaded block 20, a connecting plate 21 and a driving component, four card plates 18 are provided, the card plates 18 are slidably connected to the protective cover 5, and a card slot matching the card plate 18 is opened on the power box 1, four rotating screws 19 are provided, the rotating screws 19 are rotatably connected to the card plate 18, four threaded blocks 20 are provided, the threaded blocks 20 are threadedly sleeved on the rotating screw 19, and the threaded blocks 20 are fixedly connected to the protective cover 5, and the connecting plate 21 There are two connecting plates 21, which are arranged between the two rotating screws 19 located on the same side. The rotating screw 19 is rotatably connected to the connecting plate 21. The driving assembly is arranged on the connecting plate 21, and is used to drive the rotating screw 19 to rotate. The driving assembly includes a protection box 22, a rotating rod 23, a transmission wheel 24, a transmission belt 25 and a motor 26. The protection box 22 is fixedly connected to the connecting plate 21. There are two rotating rods 23, which are rotatably connected to the protection box 22, and the rotating rod 23 passes through the connecting plate 21 and is fixedly connected to the rotating screw 19. There are two transmission wheels 24, which are respectively fixedly sleeved on the two rotating The transmission belt 25 is connected to the two transmission wheels 24, and the motor 26 is fixedly installed on the protection box 22. The output end of the motor 26 passes through the protection box 22 and is concentrically connected to one of the rotating rods 23. The output end of the motor 26 drives the rotating rod 23 located on one side to rotate, and the rotating rod 23 drives the transmission wheel 24 located on one side to rotate. The transmission wheel 24 drives the transmission belt 25 to transmit, and the transmission belt 25 drives the rotating rod 23 and the transmission wheel 24 on the other side to rotate. The rotation of the rotating rod 23 drives the rotating screw 19 to rotate, and through the cooperation of the threaded block 20, the rotating screw 19 is driven to move , rotate the screw 19 to drive the card plate 18 to slide, and the card plate 18 slides into the card slot, so that the protective cover 5 can be installed on the power box 1, which is convenient for sealing the power supply body 2 in the power box 1, and it is not easy to steal the power supply body 2. In addition, by installing the protective cover 5 on the power box 1, a procedure for taking the power supply body 2 is added, which also increases the safety protection of the power supply body 2. With double protection, a controller can be set up, and the controller can transmit instructions to the single-chip computer module 17 through the wireless module, and then the single-chip computer module 17 analyzes the instructions to control the opening of the multi-stage telescopic electric push rod 11, the sound and light alarm 16 and the motor 26.

[0039] Reference Figures 1 to 15The power supply box 1 is provided with a plurality of heat dissipation openings 27, which facilitate heat dissipation of the power supply body 2. The heat dissipation openings 27 are rotatably connected to a baffle 29 through a rotating shaft 28. When it rains, rainwater enters the power supply box 1 through the heat dissipation openings 27, which may easily damage the power supply body 2. The baffle 29 can prevent a large amount of rainwater from entering the power supply box 1. At the same time, the baffle 29 can also prevent dust and other impurities from entering the power supply box 1 and causing damage to the power supply body 2. A plurality of baffles 29 located on one side are provided between them for driving The linkage assembly for rotating the plurality of baffles 29 at the same time comprises an arc-shaped slide rail 30, a sliding block 31, a connecting seat 32, a rotating block 33, a linkage plate 34 and a limit assembly. The arc-shaped slide rail 30 is provided with a plurality of arc-shaped slide rails 30, and the plurality of arc-shaped slide rails 30 are fixedly connected to the plurality of heat dissipation ports 27. The sliding block 31 is provided with a plurality of sliding blocks 31, and the plurality of sliding blocks 31 are respectively slidably connected to the plurality of arc-shaped slide rails 30, and the sliding block 31 is fixedly connected to the baffle 29. The connecting seat 32 is provided with a plurality of connecting seats 32, and the plurality of connecting seats 32 are respectively fixedly connected to the plurality of heat dissipation ports 27. The plurality of baffles 29 are connected, a plurality of rotating blocks 33 are provided, and the plurality of rotating blocks 33 are respectively rotatably sleeved on the plurality of connecting seats 32, and the linkage plate 34 is fixedly connected to the plurality of rotating blocks 33. The limiting assembly is provided on the power supply box 1 for limiting the linkage plate 34. The limiting assembly includes a closing limiting rod 35, an opening limiting rod 36 and a limiting hole 37. The closing limiting rod 35 is fixedly connected to the power supply box 1, and the opening limiting rod 36 is slidably connected to the power supply box 1. The limiting hole 37 is provided on the linkage plate 34. The positioning hole 37 matches the closing limit rod 35 and the opening limit rod 36. The linkage plate 34 is moved obliquely upward to make the positioning hole 37 on the linkage plate 34 disengage from the opening limit rod 36, and then the linkage plate 34 is moved obliquely downward to drive the rotating block 33 to rotate on the connecting seat 32, the baffle 29 rotates through the rotating shaft 28, and the sliding block 31 slides on the arc-shaped slide rail 30 until the positioning hole 37 on the linkage plate 34 is sleeved on the closing limit rod 35, thereby facilitating the control of the opening and closing of the baffle 29.

[0040] Example 2

[0041] In summary, when the electric vehicle power locking mechanism is in use, first, the positioning column 12 is inserted into the positioning groove 14 on the positioning block 13, the power body 2 is placed on the fixed seat 3, and the multi-stage telescopic electric push rod 11 is turned on by the controller. The multi-stage telescopic electric push rod 11 drives the rotating seat 8 to slide in the direction away from the power body 2, and drives the rotating plate 9 to rotate between the rotating seat 8 and the turntable 10, thereby driving the two turntables 10 to approach each other, and the two turntables 10 drive the two sliding plates 6 to slide toward each other, and the sliding plate 6 drives the connecting column 7 to enter the connecting groove on the fixed plate 4, and then the protective cover 5 is covered on the power box 1, and the motor 26 is turned on by the controller. The output end of the motor 26 drives the rotating rod 23 located on one side thereof to rotate, and the rotating rod 23 drives the transmission wheel 24 located on one side thereof to rotate, and the transmission wheel 24 drives the transmission belt 25 to transmit, and the transmission belt 25 drives the rotating rod 23 and the transmission wheel 24 on the other side to rotate, and the rotation The movable rod 23 rotates to drive the rotating screw 19 to rotate, and through the cooperation of the threaded block 20, the rotating screw 19 is driven to move, and the rotating screw 19 drives the card plate 18 to slide, and the card plate 18 slides into the card slot. When the thief takes the power supply body 2, the light sensor 15 will encounter the light source, and the light sensor 15 will convert the light signal into an electrical signal and then transmit it to the single-chip module 17. The single-chip module 17 analyzes the electrical signal and transmits the sound and light alarm 16. The baffle 29 is broadcast to open, so that the sound and light alarm 16 is turned on for warning. When the baffle 29 needs to be closed, the linkage plate 34 is moved obliquely upward to disengage the limit hole 37 on the linkage plate 34 from the opening limit rod 36, and then the linkage plate 34 is moved obliquely downward to drive the rotating block 33 to rotate on the connecting seat 32, the baffle 29 is rotated through the rotating shaft 28, and the sliding block 31 slides on the arc-shaped slide rail 30 until the limit hole 37 on the linkage plate 34 is sleeved on the closing limit rod 35.

[0042] The above-mentioned embodiments only express the specific implementation of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A locking mechanism for an electric vehicle power supply, comprising a power supply box (1), characterized in that: Also includes: A power supply body (2), wherein the power supply body (2) is arranged in the power supply box (1); A fixing seat (3), the fixing seat (3) is fixedly connected to the power supply box (1), a fixing plate (4) is fixedly connected to the power supply body (2), and a connecting component for connecting the fixing plate (4) to the fixing seat (3) is provided between the fixing plate (4) and the fixing seat (3); A protective cover (5), the protective cover (5) being arranged on the power box (1), and the protective cover (5) and the power box (1) being directly provided with a mounting component for mounting the protective cover (5) on the power box (1).

2. The electric vehicle onboard power locking mechanism according to claim 1, characterized in that: The connection component comprises: A sliding plate (6), wherein two sliding plates (6) are provided, and both sliding plates (6) are slidably connected to the fixing seat (3); A connecting column (7), wherein a plurality of the connecting columns (7) are provided, and the plurality of connecting columns (7) are respectively fixedly connected to the two sliding plates (6), and a connecting groove matching the connecting column (7) is provided on the fixed plate (4); An opposing component is arranged on the fixing seat (3) and is used to drive the two sliding plates (6) to slide towards each other.

3. The electric vehicle on-board power locking mechanism according to claim 2, characterized in that: The facing components include: A rotating seat (8), wherein the rotating seat (8) is slidably connected to the fixed seat (3); A rotating plate (9), wherein two rotating plates (9) are provided, and both rotating plates (9) are rotatably sleeved on the rotating seat (8); A turntable (10), wherein two turntables (10) are provided, and the two turntables (10) are respectively rotatably sleeved on the two rotating plates (9), and the two turntables (10) are respectively fixedly connected to the two sliding plates (6); A multi-stage telescopic electric push rod (11), wherein the fixing seat (3) is provided with a receiving groove, the multi-stage telescopic electric push rod (11) is fixedly installed in the receiving groove, and the rotating seat (8) is fixedly connected to the output end of the multi-stage telescopic electric push rod (11).

4. The electric vehicle onboard power locking mechanism according to claim 3, characterized in that: A positioning column (12) is fixedly connected to the power source body (2), a positioning block (13) is fixedly connected to the fixing seat (3), and a positioning groove (14) matching the positioning column (12) is provided on the positioning block (13).

5. The electric vehicle onboard power locking mechanism according to claim 4, characterized in that: A photosensor (15) is fixedly mounted on the power source body (2), an audible and visual alarm (16) is fixedly mounted on the power source box (1), and a single-chip microcomputer module (17) is arranged between the photosensor (15) and the audible and visual alarm (16).

6. The electric vehicle onboard power locking mechanism according to claim 5, characterized in that: The installation assembly includes: A card plate (18), wherein four card plates (18) are provided, wherein the card plates (18) are slidably connected to the protective cover (5), and a card slot matching the card plate (18) is provided on the power supply box (1); Rotating screw rods (19), four of which are provided, and the rotating screw rods (19) are rotatably connected to the clamping plate (18); A threaded block (20), wherein four threaded blocks (20) are provided, wherein the threaded block (20) is threadably sleeved on the rotating screw (19), and the threaded block (20) is fixedly connected to the protective cover (5); A connecting plate (21), wherein two connecting plates (21) are provided, and the connecting plate (21) is provided between two rotating screw rods (19) located on the same side, and the rotating screw rod (19) is rotatably connected to the connecting plate (21); A driving assembly is arranged on the connecting plate (21) and is used to drive the rotating screw (19) to rotate.

7. The electric vehicle onboard power locking mechanism according to claim 6, characterized in that: The drive assembly comprises: A protection box (22), wherein the protection box (22) is fixedly connected to the connection plate (21); Rotating rods (23), two rotating rods (23) are provided, the rotating rods (23) are rotatably connected to the protection box (22), and the rotating rods (23) pass through the connecting plate (21) and are fixedly connected to the rotating screw rod (19); A transmission wheel (24), wherein two transmission wheels (24) are provided, and the two transmission wheels (24) are respectively fixedly sleeved on the two rotating rods (23); A transmission belt (25), the transmission belt (25) being transmission-connected to the two transmission wheels (24); A motor (26), wherein the motor (26) is fixedly mounted on the protection box (22), and an output end of the motor (26) passes through the protection box (22) and is coaxially connected to one of the rotating rods (23).

8. The electric vehicle onboard power source locking mechanism according to claim 7, characterized in that: The power box (1) is provided with a plurality of heat dissipation openings (27), the heat dissipation openings (27) being rotatably connected to a baffle (29) via a rotating shaft (28), and a linkage assembly for driving the plurality of baffles (29) to rotate simultaneously is provided between the plurality of baffles (29) on one side.

9. The electric vehicle onboard power locking mechanism according to claim 8, characterized in that: The linkage components include: An arc-shaped slide rail (30), wherein a plurality of the arc-shaped slide rails (30) are provided, and the plurality of the arc-shaped slide rails (30) are fixedly connected to the plurality of the heat dissipation openings (27); A sliding block (31), wherein a plurality of the sliding blocks (31) are provided, and the plurality of sliding blocks (31) are respectively slidably connected to the plurality of arc-shaped slide rails (30), and the sliding blocks (31) are fixedly connected to the baffle (29); A connecting seat (32), wherein a plurality of the connecting seats (32) are provided, and the plurality of connecting seats (32) are respectively fixedly connected to the plurality of baffles (29); A rotating block (33), wherein a plurality of the rotating blocks (33) are provided, and the plurality of the rotating blocks (33) are rotatably sleeved on the plurality of the connecting seats (32) respectively; A linkage plate (34), wherein the linkage plate (34) is fixedly connected to the plurality of rotating blocks (33); A limiting component, the limiting component is arranged on the power box (1) and is used to limit the linkage plate (34).

10. The electric vehicle onboard power source locking mechanism according to claim 9, characterized in that: The limiting component comprises: A closing limit rod (35), wherein the closing limit rod (35) is fixedly connected to the power box (1); An opening limit rod (36), wherein the opening limit rod (36) is slidably connected to the power supply box (1); A limiting hole (37), wherein the limiting hole (37) is arranged on the linkage plate (34), and the limiting hole (37) matches both the closing limiting rod (35) and the opening limiting rod (36).

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