Waterproof vehicle-mounted charger
By designing a limit structure in the car charger, using the coordination of the connecting rod, slider and spring, the problem of the USB plug being easily fall off when the data cable is inserted is solved, and the use stability of the charger is improved.
Patent Information
- Application Number
- CN202420821308.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-19
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-04-19
AI Technical Summary
When the data cable is inserted into the charging interface, existing car chargers are prone to accidentally touch the USB plug, causing the data cable to be disconnected from the charging interface, affecting use.
A waterproof car-mounted charger is designed. The top of the charger body is equipped with a charging interface, and two connecting seats are symmetrically arranged on both sides, with connecting rods and sliders inside. Through the coordination of the spring, the sliders are brought close to each other, and the plywood pushes the limit of the USB plug to prevent falling off.
The limiting structure effectively prevents the USB plug from falling off due to accidental contact, which improves the use stability and practicality of the charger.
Smart Images

Figure CN222775989U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vehicle chargers, in particular to a waterproof vehicle charger. Background Art
[0002] The car charger is a device that allows car owners to charge digital products anytime and anywhere. The car charger is generally composed of a shell, a circuit board and several electronic components. The car charger is directly plugged into the cigarette lighter socket for power. However, the existing device has certain problems when used and still needs to be continuously improved.
[0003] For example, a Type-C vehicle charger disclosed in the utility model with authorization announcement number CN220605048U includes a charger body, a control circuit board is installed inside the charger body, a power pin and a charging interface are arranged on the outside of the control circuit board, a buckle is arranged on the outside of the charger body, and a waterproof structure is installed on the upper end of the charger body. Through the setting of the waterproof structure, when the charger body is in use, the traction ring is clamped between the charger body and the support block, and under the action of the sealing cover, the first sealing ring, the buckle and the second sealing ring, the top of the charger body is wrapped to achieve a better sealing effect. After the charging interface is used, the sealing cover is closed to prevent water and dust from entering the interior of the charging interface, thereby improving the service life of the charger body.
[0004] When the device is in use, the USB plug at one end of the data cable is connected to the charging interface of the device to charge the electrical device. However, when the data cable is inserted into the charging interface for use, the USB plug may fall off from the charging interface due to accidental contact, thereby causing the data cable to be disconnected from the charging interface, affecting the use of the device. Utility Model Content
[0005] In order to overcome the deficiencies of the prior art, the utility model provides a waterproof car charger, which can solve the technical problem that when the data cable is inserted into the charging interface for use, the USB plug may fall off from the charging interface due to accidental contact, thereby causing the data cable to be disconnected from the charging interface, affecting the use of the device.
[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a waterproof car charger, comprising a charger body, a charging interface is arranged at the top of the charger body, two connecting seats are symmetrically arranged at the top of the charger body and located on both sides of the charging interface, a connecting rod is arranged in the two connecting seats, two sliders are symmetrically slidably sleeved on the outside of the connecting rod, a second spring is arranged on the outside of the connecting rod and located between the two sliders, a first spring is arranged on the outside of the connecting rod and located on one side of the two sliders, a splint is arranged at the top of the charger body and located between the two connecting seats for limited sliding, and an arm rod is arranged between the rear walls of the two splints and the two sliders.
[0007] As a preferred technical solution of the utility model, the slider is limitedly slidably connected in the connecting seat.
[0008] As a preferred technical solution of the utility model, semicircular holes are provided on the top ends of the two clamping plates.
[0009] As a preferred technical solution of the utility model, a limiting rotation sleeve is provided on the outer side of the upper end of the charger body and is connected to a traction ring, and a sealing cover is provided on the outer side wall of the traction ring through a connecting strip.
[0010] As a preferred technical solution of the utility model, the inner bottom wall of the sealing cover is provided with an internal thread that matches the external thread provided on the outer side wall of the top end of the charger body.
[0011] As a preferred technical solution of the utility model, a control circuit board is arranged in the charger body, and power connection pins are arranged in the charger body and below the control circuit board, and the charging interface is electrically connected to the power connection pins through the control circuit board.
[0012] Compared with the prior art, the utility model can achieve the following beneficial effects:
[0013] The two sliders are connected by a connecting rod and two sliders, and the two sliders are pulled by a second spring arranged between the two sliders and squeezed and pushed by a first spring arranged on both sides of the two sliders, so that the two sliders are close to each other. The two sliders close to each other are matched with the two arm rods to push the clamping plate, and the USB plug at one end of the data cable is limited by the pushed clamping plate, so as to avoid the USB plug falling off from the charging interface due to accidental contact of the data cable during use, thereby improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the front three-dimensional structure of the utility model;
[0015] Figure 2This is a schematic diagram of the three-dimensional structure of the main body of the partial charger of the utility model;
[0016] Figure 3 This is a schematic diagram of a partially disassembled three-dimensional structure of the utility model;
[0017] Figure 4 This is a schematic diagram of the three-dimensional structure of the charger body of the utility model;
[0018] Among them: 1. Charger body; 2. Control circuit board; 3. Power pin; 4. Charging interface; 5. Towing ring; 6. Connecting strip; 7. Sealing cover; 8. Connecting seat; 9. Clamp; 10. Connecting rod; 11. Slider; 12. Arm; 13. First spring; 14. Second spring; 15. Hole. DETAILED DESCRIPTION
[0019] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.
[0020] Example
[0021] Please refer to Figure 1-4 As shown, the utility model provides a waterproof vehicle charger, wherein a charging interface 4 is arranged at the top of the charger body 1, and then two connecting seats 8 are symmetrically arranged at the top of the charger body 1 and on both sides of the charging interface 4, and then a connecting rod 10 is arranged in the two connecting seats 8, and at the same time, two sliders 11 are symmetrically slidably sleeved and connected on the outside of the connecting rod 10, and a second spring 14 is arranged on the outside of the connecting rod 10 and between the two sliders 11, and both ends of the second spring 14 are fixedly connected to the surfaces of the two sliders 11, and the two sliders 11 are pulled closer to each other. Then, a first spring 13 is arranged outside the connecting rod 10 and on one side of the two sliders 11, and the two sliders 11 are pushed toward each other by the two first springs 13. Then, a clamping plate 9 is arranged at the top of the charger body 1 and between the two connecting seats 8 for limited sliding, and an arm 12 is arranged between the rear walls of the two clamping plates 9 and the two sliders 11, and semicircular holes 15 are opened at the top of the two clamping plates 9. When the two clamping plates 9 are closed, the USB plug is limited, and a circular opening is formed at the two holes 15, so as to facilitate the passage of the data line;
[0022] When in use, first push the two clamping plates 9 apart, at this time the two clamping plates 9 move away from each other, under the action of the two clamping plates 9 moving away from each other and the arm 12, the two sliders 11 move away from each other on the outside of the connecting rod 10, and then the two ends of the second spring 14 are pulled, and at the same time the first springs 13 arranged at the two ends of the connecting rod 10 are squeezed, at this time the second spring 14 and the two first springs 13 are both stressed to generate corresponding elastic force, then the USB plug arranged at one end of the data cable is connected to the charging interface 4, and then the pushed apart clamping plates 9 are released, the first spring 13 and the second spring 14 return to their original state without the action of external force, the two first springs 13 push the two sliders 11 to move closer to each other, and at the same time the second spring 14 pulls the two sliders 11 to move closer to each other, and then the clamping plates 9 are pushed under the cooperation of the two sliders 11 moving closer to each other and the arm 12, so that the two clamping plates 9 are respectively close to the USB plug to achieve its limit;
[0023] As a further implementation of this embodiment, Figure 1-4 As shown, at the same time, a traction ring 5 is connected to the outer side of the upper end of the charger body 1 by a limited rotation sleeve, and then a sealing cover 7 is connected to the outer wall of the traction ring 5 through a connecting strip 6. The connecting strip 6 can be made of a relatively soft silicone material, which is convenient for turning the sealing cover 7 and opening it, and an external thread is provided on the outer wall of the top of the charger body 1, and then an internal thread matching the external thread at the top of the charger body 1 is provided on the inner wall of the sealing cover 7, and a control circuit board 2 is provided in the charger body 1, and then a power connection pin 3 is provided in the charger body 1 and below the control circuit board 2, and the charging interface 4 is electrically connected to the power connection pin 3 through the control circuit board 2;
[0024] Specific working principle:
[0025] When adjusting the use, first connect the device to the vehicle through the power pin 3. When the device needs to be used for charging, the sealing cover 7 can be rotated and adjusted to open the sealing cover 7 from the end of the charger body 1, and then the two clamps 9 are opened, and then the USB plug set at one end of the data line is connected to the charging interface 4, and then the opened clamps 9 are released. The first spring 13 and the second spring 14 return to their original state without external force, and the two first springs 13 push the two sliders 11 to move closer to each other, while the second spring 14 pulls the two sliders 11 closer to each other. Move, and then the two sliders 11 moving towards each other and the arm 12 cooperate to push the clamping plate 9, so that the two clamping plates 9 are respectively close to the USB plug to limit it, and the data line will pass through the opening formed by the two holes 15 to connect with the electrical equipment. When not in use, unplug the USB plug at one end of the data line from the charging interface 4, and then screw on the sealing cover 7 again, and cover the charging interface 4 at the top of the charger body 1 with the sealing cover 7 to prevent dust and water from entering, thereby causing a short circuit or malfunction of the equipment.
[0026] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A waterproof vehicle charger, comprising a charger body (1), characterized in that: A charging interface (4) is provided at the top of the charger body (1); two connecting seats (8) are symmetrically provided at the top of the charger body (1) and located on both sides of the charging interface (4); a connecting rod (10) is provided inside the two connecting seats (8); two sliders (11) are symmetrically slidably sleeved on the outside of the connecting rod (10); a second spring (14) is provided on the outside of the connecting rod (10) and located between the two sliders (11); a first spring (13) is provided on the outside of the connecting rod (10) and located on one side of the two sliders (11); a clamping plate (9) is provided at the top of the charger body (1) and located between the two connecting seats (8) for limited sliding movement; and an arm rod (12) is provided between the rear walls of the two clamping plates (9) and the two sliders (11).
2. A waterproof car charger according to claim 1, characterized in that: The slider (11) is connected in a limited sliding manner in the connecting seat (8).
3. A waterproof car charger according to claim 1, characterized in that: The top ends of the two clamping plates (9) are both provided with semicircular holes (15).
4. A waterproof car charger according to claim 1, characterized in that: A traction ring (5) is connected to the outer side of the upper end of the charger body (1) in a limited rotation sleeve, and a sealing cover (7) is connected to the outer side wall of the traction ring (5) via a connecting strip (6).
5. A waterproof vehicle charger according to claim 4, characterized in that: The inner bottom wall of the sealing cover (7) is provided with an internal thread which matches the external thread provided on the outer side wall of the top end of the charger body (1).
6. A waterproof vehicle charger according to claim 1, characterized in that: A control circuit board (2) is arranged in the charger body (1), a power connection pin (3) is arranged in the charger body (1) and below the control circuit board (2), and the charging interface (4) is electrically connected to the power connection pin (3) via the control circuit board (2).
Citation Information
Patent Citations
Type-C vehicle-mounted charger
CN220605048U