Waterproof electric vehicle charger
By designing external protection mechanisms, position adjustment mechanisms, wire harness protection mechanisms and dry waterproof mechanisms on electric vehicle chargers, the problem of insufficient external waterproof performance of existing chargers is solved, and more efficient waterproofing effect and charger stability are achieved.
Patent Information
- Application Number
- CN202420727002.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-04-10
AI Technical Summary
The existing waterproof and safety electric vehicle chargers have shortcomings in external waterproofing treatment, resulting in low waterproof performance.
A waterproof electric vehicle charger is designed, using an external protection mechanism, a position adjustment mechanism, a wire harness protection mechanism and a dry waterproof mechanism. Through the combination of these mechanisms, a comprehensive waterproof treatment of the outside and inside of the charger is achieved.
It effectively avoids the entry of external rainwater, improves the waterproof effect and range, and ensures the range of movement and heat dissipation of the power cord, and enhances the stability and protection performance of the charger.
Smart Images

Figure CN222620703U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of chargers, in particular to a waterproof electric vehicle charger. Background Art
[0002] Electric vehicle charger is a charging device specially configured for the battery of electric bicycle! Classification of chargers: with or without power frequency (50 Hz) transformer, it can be divided into two categories. Freight tricycle chargers generally use chargers with power frequency transformers, which are large in size, heavy, and power-consuming, but reliable and cheap; electric bicycles and electric motorcycles use so-called switching power supply chargers, which are power-saving and efficient, but easy to break.
[0003] For example, the utility model patent with patent number 2021 23439893.4 discloses a waterproof and safe electric vehicle charger, which sets a card hole at one end of the cover plate, pulls the pull ring to drive the slide bar to slide in the right-angle plate, and the slide bar drives the upper movable plate and the card plate to move. At the same time, the spring is compressed, the cover plate is closed and the pull ring is released, the spring stretches and drives the slide bar to slide upward, and at the same time, the card plate on the upper end of the movable plate enters the card hole on the cover plate, thereby fixing the cover plate and preventing the cover plate from swinging on the shell in windy weather, thereby improving the protection effect of the electric vehicle charger inside the shell. However, the protective waterproof treatment of the outside of the charger is ignored, resulting in low waterproof performance of the charger. In view of this, a waterproof electric vehicle charger is proposed. Utility Model Content
[0004] The utility model aims to solve the shortcomings in the prior art and proposes a waterproof electric vehicle charger.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A waterproof electric vehicle charger comprises a shell, a charger body is arranged inside the shell, power lines are fixedly connected to both ends of the charger body, an inspection cover is arranged on the outer wall of one side of the shell, a plurality of second bolts are threadedly connected to the outer wall of the inspection cover, connecting plates are arranged on the top and bottom of the shell, an external protection mechanism is arranged on the top of the connecting plate, a position moving mechanism is arranged between the connecting plate and the shell, a wiring harness protection mechanism is arranged on both ends of the shell, and a drying and waterproof mechanism is arranged at the four corners of the inner wall of the shell.
[0007] Preferably, the external protection mechanism includes a movable frame and a first waterproof cloth, a buffer mechanism is provided between the movable frame and the connecting plate, and both ends of the first waterproof cloth are respectively fixedly connected to the movable frame.
[0008] Preferably, the buffer mechanism comprises a first spring and a first hydraulic rod, and the top and bottom of the first spring and the first hydraulic rod are fixedly connected to the moving frame and the connecting plate respectively.
[0009] Preferably, the position moving mechanism includes a movable block and a first bolt, movable grooves are provided on the top and bottom of the shell, the movable block and the movable groove are slidably connected, the movable block and the connecting plate are fixedly connected, and the first bolt and the connecting plate are threadedly connected.
[0010] Preferably, the wiring harness protection mechanism includes a protection tube and a limiting tube, through grooves are opened at both ends of the shell, the protection tube and the inner wall of the through groove are fixedly connected, a plurality of third springs are fixedly connected between the protection tube and the limiting tube, a second waterproof cloth is fixedly connected between the protection tube and the limiting tube, and the power cord passes through the limiting tube.
[0011] Preferably, the drying and waterproofing mechanism includes a heat sink and a drying box, the drying box is fixedly connected to the four corners of the inner wall of the shell, a plurality of air holes are provided on the outer wall of the drying box, the heat sink is fixedly connected to the four corners of the outer wall of the shell, the heat sink is located at one end of the drying box, and a desiccant is arranged inside the drying box.
[0012] Preferably, a plurality of second springs and second hydraulic rods are fixedly connected between the charger body and the shell.
[0013] The beneficial effects of the utility model are:
[0014] By providing an external protection mechanism on the outer wall of the shell, the outer wall of the shell can be waterproofed to prevent external rainwater from entering. By providing a position adjustment mechanism between the connecting plate and the shell, the position of the movable frame can be adjusted to improve the waterproof effect and range. By providing a wiring harness protection mechanism, further sealing and waterproofing treatment can be performed while ensuring that the power cord has a sufficient range of movement. By providing a dry waterproof mechanism, the inside of the shell can be dry and waterproofed while ensuring the heat dissipation effect.
[0015] By arranging the first spring and the first hydraulic rod between the mobile frame and the connecting plate, the mobile frame can have the ability to buffer vibrations, thereby improving the stability of the shell and the charger body inside it. By arranging the second spring and the second hydraulic rod between the charger body and the shell, the stability of the charger body can be further improved, thereby achieving the protection purpose. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the main structure of a waterproof electric vehicle charger proposed by the utility model;
[0017] Figure 2 This is a schematic cross-sectional structure diagram of a waterproof electric vehicle charger proposed by the utility model;
[0018] Figure 3 This is a schematic diagram of the partial main structure of a waterproof electric vehicle charger proposed by the utility model;
[0019] Figure 4 The utility model is a schematic diagram of the side main structure of a waterproof electric vehicle charger.
[0020] In the figure: 1 shell, 2 connecting plate, 3 moving frame, 4 first spring, 5 first hydraulic rod, 6 first waterproof cloth, 7 inspection cover, 8 drying box, 9 air hole, 10 second spring, 11 second hydraulic rod, 12 charger body, 13 movable block, 14 movable groove, 15 first bolt, 16 second waterproof cloth, 17 power cord, 18 protection tube, 19 third spring, 20 limit tube, 21 through groove, 22 second bolt, 23 heat sink. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0022] Reference Figure 1-4 A waterproof electric vehicle charger comprises a shell 1, a charger body 12 is arranged inside the shell 1, power lines 17 are fixedly connected to both ends of the charger body 12, an inspection cover 7 is arranged on the outer wall of one side of the shell 1, and a plurality of second bolts 22 are threadedly connected to the outer wall of the inspection cover 7, a connecting plate 2 is arranged on the top and bottom of the shell 1, an external protection mechanism is arranged on the top of the connecting plate 2, a position moving mechanism is arranged between the connecting plate 2 and the shell 1, a wire harness protection mechanism is arranged on both ends of the shell 1, and a dry waterproof mechanism is arranged at the four corners of the inner wall of the shell 1, by arranging the external protection mechanism of the outer wall of the shell 1, the outer wall of the shell 1 can be waterproofed to prevent external rainwater from entering, by arranging the position adjustment mechanism between the connecting plate 2 and the shell 1, the position of the movable frame 3 can be adjusted to improve the waterproof effect and range, by arranging the wire harness protection mechanism, further sealing and waterproofing treatment can be carried out while ensuring that the power line has sufficient range of movement, and by arranging the dry waterproof mechanism, the inside of the shell 1 can be dry and waterproofed while ensuring the heat dissipation effect.
[0023] In the utility model, the external protection mechanism includes a mobile frame 3 and a first waterproof cloth 6. A buffer mechanism is provided between the mobile frame 3 and the connecting plate 2. Both ends of the first waterproof cloth 6 are respectively fixedly connected to the mobile frame 3. By providing the external protection mechanism on the outer wall of the shell 1, the outer wall of the shell 1 can be waterproofed to prevent external rainwater from entering.
[0024] The buffer mechanism includes a first spring 4 and a first hydraulic rod 5. The top and bottom of the first spring 4 and the first hydraulic rod 5 are fixedly connected to the mobile frame 3 and the connecting plate 2 respectively. A plurality of second springs 10 and a second hydraulic rod 11 are fixedly connected between the charger body 12 and the shell 1. By arranging the first spring 4 and the first hydraulic rod 5 between the mobile frame 3 and the connecting plate 2, the mobile frame 3 can have a vibration buffering capability, and the stability of the shell 1 and the charger body 12 therein can be improved. By arranging the second spring 40 and the second hydraulic rod 11 between the charger body 12 and the shell 1, the stability of the charger body 12 can be further improved, thereby achieving the protection purpose.
[0025] The position moving mechanism includes a movable block 13 and a first bolt 15. The top and bottom of the housing 1 are both provided with movable grooves 14. The movable block 13 and the movable groove 14 are slidably connected. The movable block 13 and the connecting plate 2 are fixedly connected. The first bolt 15 and the connecting plate 2 are threadedly connected. By setting a position adjustment mechanism between the connecting plate 2 and the housing 1, the position of the movable frame 3 can be adjusted to improve the waterproof effect and range.
[0026] The harness protection mechanism includes a protection tube 18 and a limiting tube 20. Through grooves 21 are provided at both ends of the housing 1. The protection tube 18 is fixedly connected to the inner wall of the through groove 21. A plurality of third springs 19 are fixedly connected between the protection tube 18 and the limiting tube 20. A second waterproof cloth 16 is fixedly connected between the protection tube 18 and the limiting tube 20. The power cord 17 passes through the limiting tube 20. By setting the harness protection mechanism, it is possible to ensure that the power cord has a sufficient range of movement and is further sealed and waterproofed.
[0027] The drying and waterproofing mechanism comprises a heat sink 23 and a drying box 8. The drying box 8 is fixedly connected to the four corners of the inner wall of the shell 1. The outer wall of the drying box 8 is provided with a plurality of air holes 9. The heat sink 23 is fixedly connected to the four corners of the outer wall of the shell 1. The heat sink 23 is located at one end of the drying box 8. A desiccant is arranged inside the drying box 8. By arranging the drying and waterproofing mechanism, the inside of the shell 1 can be dried and waterproofed while ensuring the heat dissipation effect.
[0028] Working principle: In the idle part of this device, all the above-mentioned components, which refer to structural parts, are connected. The specific connection means should refer to the following working principle. The components are connected in sequence. The detailed connection means are well-known technologies in the field. The following mainly introduces the working principle and process, and no further explanation is given. When using this device, an external protection mechanism is set on the outer wall of the shell 1 to waterproof the outer wall of the shell 1 to prevent external rainwater from entering. The position adjustment mechanism between the connecting plate 2 and the shell 1 can adjust the position of the movable frame 3 to improve the waterproof effect and range. The wiring harness protection mechanism can ensure that the power cord has sufficient range of movement for further sealing and waterproofing. The dry waterproof mechanism can ensure the heat dissipation effect while performing dry waterproofing on the inside of the shell 1.
[0029] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.
Claims
1. A waterproof electric vehicle charger, comprising a housing (1), a charger body (12) being arranged inside the housing (1), power lines (17) being fixedly connected to both ends of the charger body (12), an inspection cover (7) being arranged on an outer wall of one side of the housing (1), a plurality of second bolts (22) being threadedly connected to the outer wall of the inspection cover (7), and characterized in that: The top and bottom of the shell (1) are both provided with connecting plates (2), the top of the connecting plate (2) is provided with an external protection mechanism, a position moving mechanism is provided between the connecting plate (2) and the shell (1), both ends of the shell (1) are provided with wiring harness protection mechanisms, and the four corners of the inner wall of the shell (1) are provided with drying and waterproof mechanisms.
2. A waterproof electric vehicle charger according to claim 1, characterized in that: The external protection mechanism comprises a movable frame (3) and a first waterproof cloth (6); a buffer mechanism is provided between the movable frame (3) and the connecting plate (2); and two ends of the first waterproof cloth (6) are respectively fixedly connected to the movable frame (3).
3. A waterproof electric vehicle charger according to claim 2, characterized in that: The buffer mechanism comprises a first spring (4) and a first hydraulic rod (5); the top and bottom of the first spring (4) and the first hydraulic rod (5) are fixedly connected to the moving frame (3) and the connecting plate (2) respectively.
4. A waterproof electric vehicle charger according to claim 1, characterized in that: The position moving mechanism comprises a movable block (13) and a first bolt (15); a movable groove (14) is provided at the top and the bottom of the housing (1); the movable block (13) and the movable groove (14) are slidably connected; the movable block (13) and the connecting plate (2) are fixedly connected; and the first bolt (15) and the connecting plate (2) are threadedly connected.
5. A waterproof electric vehicle charger according to claim 1, characterized in that: The wire harness protection mechanism comprises a protection tube (18) and a position limiting tube (20); through grooves (21) are provided at both ends of the housing (1); the protection tube (18) and the inner wall of the through groove (21) are fixedly connected; a plurality of third springs (19) are fixedly connected between the protection tube (18) and the position limiting tube (20); a second waterproof cloth (16) is fixedly connected between the protection tube (18) and the position limiting tube (20); and the power line (17) passes through the position limiting tube (20).
6. A waterproof electric vehicle charger according to claim 1, characterized in that: The drying and waterproofing mechanism comprises a heat sink (23) and a drying box (8); the drying box (8) and the inner wall of the housing (1) are fixedly connected at four corners; the outer wall of the drying box (8) is provided with a plurality of air holes (9); the heat sink (23) and the outer wall of the housing (1) are fixedly connected at four corners; the heat sink (23) is located at one end of the drying box (8); and a desiccant is arranged inside the drying box (8).
7. A waterproof electric vehicle charger according to claim 1, characterized in that: A plurality of second springs (10) and a second hydraulic rod (11) are fixedly connected between the charger body (12) and the shell (1).
Citation Information
Patent Citations
Waterproof safe electric vehicle charger
CN216915549U