Vehicle-mounted charger with cigarette lighter

By integrating the connectors and the first PCB board, and utilizing the combination of limit blocks and springs, the problem of messy internal wiring in the vehicle charger was solved, achieving simplified assembly and reduced size, thus improving the user experience.

CN223829072UActive Publication Date: 2026-01-23SHENZHEN HONESTAR ELECTRONIC CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520143934.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2026-01-23
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

Existing vehicle chargers have complex and messy internal wiring, which increases assembly difficulty and size, and occupies space inside the vehicle.

Method used

The design integrates the connectors and the first PCB board, and uses the cooperation of limit blocks and springs to simplify the assembly process, reduce messy wires, and reduce assembly difficulty and size.

Benefits of technology

Improve assembly efficiency, reduce the size of the vehicle charger, simplify the internal layout, and enhance user convenience and functionality.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223829072U_ABST
    Figure CN223829072U_ABST
Patent Text Reader

Abstract

The utility model provides a vehicle-mounted charger with a cigarette lighter, which comprises a main body assembly, a cigarette lighting assembly is arranged in the main body assembly, and the cigarette lighting assembly comprises a sleeve, an electric heating wire, a connecting piece, a mounting hole, an elastic piece, a limiting block, a mounting seat and a first PCB (Printed Circuit Board); a heating wire is installed on the inner side wall of the sleeve, a connecting piece is connected to the outer side wall of the sleeve in a sleeving mode, a mounting hole is formed in the connecting piece, and two elastic pieces are symmetrically and fixedly connected to the inner side wall of the connecting piece. According to the utility model, the first PCB is mounted through the mounting seat on the connecting piece, so that disordered layout caused by too many leads is prevented, the connecting piece and the first PCB are integrated together, when a worker assembles the charger, the limiting block is pushed to move, the connecting piece is fixed by using the limiting block, the assembly is not influenced by the leads, the assembly difficulty and time cost are reduced, and the assembly efficiency is improved. Meanwhile, the overall size of the vehicle-mounted charger is reduced, and the vehicle-mounted charger is convenient to install and use.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a charger especially to a vehicle-mounted charger with a cigarette lighter, and belongs to the technical field of charger. BACKGROUND

[0002] The charger is a device for converting alternating current into low-voltage direct current and is widely used in charging electronic products such as mobile phones and computers. It contains a power transformer and a rectifier circuit inside, which can convert alternating current into stable direct current signals and provide suitable charging voltage for devices through high-frequency transformers and output rectifier filter parts.

[0003] At present, vehicle-mounted chargers on the market, especially products integrated with a cigarette lighter function, generally face the problem of complex and messy internal connecting lines. These chargers often have multiple connecting lines of different types, including power lines, data lines, control lines, etc., which are intertwined, making the internal layout extremely complex. This complexity increases the difficulty and time cost of assembly. At the same time, in order to accommodate these messy connecting lines, the overall size of the vehicle-mounted charger is often large, occupying more space in the car. Therefore, a vehicle-mounted charger with a cigarette lighter is proposed. SUMMARY

[0004] Therefore, the utility model provides a vehicle-mounted charger with a cigarette lighter to solve or alleviate one of the technical problems in the prior art, at least providing a beneficial choice.

[0005] The technical scheme of the utility model embodiment is implemented as follows: a vehicle-mounted charger with a cigarette lighter, comprising a main body assembly, a cigarette lighter assembly is arranged inside the main body assembly, the cigarette lighter assembly comprises a sleeve, a heating wire, a connecting piece, a mounting hole, a spring piece, a limiting block, a mounting seat and a first PCB board;

[0006] The inner side wall of the sleeve is provided with the heating wire, the outer side wall of the sleeve is sleeved with the connecting piece, the mounting hole is formed in the inner side wall of the connecting piece, the inner side wall of the connecting piece is fixedly connected with two spring pieces in a symmetrical manner, one end of the spring piece is fixedly connected with the limiting block, the inner side wall of the connecting piece is fixedly connected with the mounting seat, one side of the mounting seat is provided with the first PCB board, the first PCB board is installed on the mounting seat, then the connecting piece is sleeved outside the sleeve, so that the first PCB board and the sleeve are combined into a whole, the first PCB board is used to replace the wire, avoiding messy layout, the connecting piece and the first PCB board are integrated together, when assembling the charger, the limiting block is moved, the limiting block is pressed by the inner side wall of the cylinder, the spring piece is elastically deformed, when the limiting block reaches the installation position, the spring piece is reset, the limiting block is used to fix the connecting piece, the installation of the charger is completed, and finally the end cover is fixed.

[0007] Further preferably, the main body assembly comprises a barrel and a shell.

[0008] The barrel is integrally formed with the shell on one side.

[0009] Further preferably, the connecting piece is detachably connected to the inner side wall of the barrel, and one end of the limiting block extends to the outside through the outer side wall of the barrel.

[0010] Further preferably, the outer side wall of the shell is sleeved with a sealing ring.

[0011] Further preferably, one side of the shell is detachably connected with an end cover, and the end cover is arranged on one side of the sealing ring.

[0012] Further preferably, one side of the end cover is provided with a first interface and a second interface.

[0013] Further preferably, the first interface and the second interface are mounted on a second PCB, and the second PCB is mounted in the shell.

[0014] Further preferably, one end of the barrel is mounted with a connecting wire.

[0015] The embodiment of the utility model has the following advantages due to the adoption of the above technical scheme.

[0016] The first PCB is mounted on the mounting seat of the connecting piece, so that the disorderly layout caused by too many wires is prevented, the connecting piece and the first PCB are integrated together, the staff can push the limiting block to move when assembling the charger, and the limiting block is used for fixing the connecting piece, so that the staff is not affected by the wires during assembly, the difficulty and time cost of assembly are reduced, the assembly efficiency is improved, the overall size of the vehicle-mounted charger is reduced, and the vehicle-mounted charger is convenient to install and use.

[0017] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above-described exemplary aspects, embodiments and features, further aspects, embodiments and features of the utility model will be readily apparent to those skilled in the art by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without any creative labor.

[0019] Figure 1 It is a perspective view of the utility model;

[0020] Figure 2 Figure 3 is another perspective view of the structure of the present application;

[0021] Figure 3 Figure 4 is a structure view of the present application after the cylinder and the shell are removed;

[0022] Figure 4 Figure 5 is a structure view of the connecting piece of the present application.

[0023] Reference signs: 10, main body assembly; 11, cylinder; 12, shell; 13, sealing ring; 14, end cover; 15, first interface; 16, second interface; 17, second PCB board; 18, connecting wire; 20, cigarette lighter assembly; 21, sleeve; 22, heating wire; 23, connecting piece; 24, mounting hole; 25, elastic sheet; 26, limiting block; 27, mounting seat; 28, first PCB board. DETAILED DESCRIPTION

[0024] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0025] The embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0026] As shown in Figures 1-4 the present application provides a vehicle-mounted charger with a cigarette lighter, comprising a main body assembly 10, the inside of the main body assembly 10 is provided with a cigarette lighter assembly 20, the cigarette lighter assembly 20 comprises a sleeve 21, a heating wire 22, a connecting piece 23, a mounting hole 24, an elastic sheet 25, a limiting block 26, a mounting seat 27 and a first PCB board 28;

[0027] The inner side wall of the sleeve 21 is provided with an electric heating wire 22, the outer side wall of the sleeve 21 is sleeved with a connecting piece 23, the inner side wall of the connecting piece 23 is provided with a mounting hole 24, the inner side wall of the connecting piece 23 is fixedly connected with two elastic sheets 25 in a symmetrical manner, one end of the elastic sheet 25 is fixedly connected with a limiting block 26, the inner side wall of the connecting piece 23 is fixedly connected with a mounting seat 27, one side of the mounting seat 27 is provided with a first PCB board 28, the first PCB board 28 is mounted on the mounting seat 27, then the connecting piece 23 is sleeved on the outside of the sleeve 21, so that the first PCB board 28 and the sleeve 21 are combined into an integral whole, the first PCB board 28 is used to replace the wire, so as to avoid messy layout, the connecting piece 23 and the first PCB board 28 are integrated together, when the staff assembles the charger, the limiting block 26 is moved by pushing, the limiting block 26 is extruded by the inner side wall of the cylinder body 11, so that the elastic sheet 25 is elastically deformed, when the limiting block 26 reaches the mounting position, the elastic sheet 25 is reset, the connecting piece 23 is fixed by the limiting block 26, the installation of the charger is completed, and finally the end cover 14 is fixed.

[0028] In this embodiment, specifically: the main body assembly 10 includes a cylinder body 11 and a shell 12;

[0029] The shell 12 is integrally formed on one side of the cylinder body 11, and the cylinder body 11 and the shell 12 are both made of insulating material.

[0030] In this embodiment, specifically: the connecting piece 23 is detachably connected to the inner side wall of the cylinder body 11, one end of the limiting block 26 extends to the outside through the outer side wall of the cylinder body 11, and a through groove corresponding to the limiting block 26 is arranged on the outer side wall of the cylinder body 11, so as to facilitate fixing of the limiting block 26.

[0031] In this embodiment, specifically: the shell 12 is sleeved with a sealing ring 13, the sealing ring 13 can ensure that the charging interface remains dry, prevents moisture from entering the vehicle charger, and thus avoids short circuit and other electrical faults.

[0032] In this embodiment, specifically: the shell 12 is detachably connected with an end cover 14 on one side, the end cover 14 is arranged on one side of the sealing ring 13, the end cover 14 facilitates disassembly and maintenance of the vehicle charger by the staff, and saves the time required for maintenance.

[0033] In this embodiment, specifically: the end cover 14 is provided with a first interface 15 and a second interface 16 on one side, the first interface 15 and the second interface 16 are respectively a USB interface and a type-c interface, two different interfaces are arranged at the same time, which not only improves the convenience of the user, but also enhances the functionality and compatibility of the vehicle charger.

[0034] In the embodiment, specifically, the first interface 15 and the second interface 16 are installed on the second PCB board 17, the second PCB board 17 is installed in the interior of the shell 12, the second PCB board 17 connects the charging interface with the power management circuit, the protection circuit and the like through the conductive path, forms a complete charging loop, and ensures that electric energy is transmitted from the power supply to the charging interface efficiently and stably and then supplied to the device to be charged.

[0035] In the embodiment, specifically, the one end of the barrel body 11 is provided with the connecting wire 18, the connecting wire 18 is mainly used for connecting the charging facility and the battery system of the electric vehicle, and realizes the transmission of electric energy.

[0036] The utility model discloses a working time: install the first PCB board 28 on the mounting seat 27, again the connecting piece 23 is covered in the outside of the sleeve 21, make the first PCB board 28 and sleeve 21 combination become a whole, utilize the first PCB board 28 instead of wire, avoid the layout to be in disorder, and the connecting piece 23 and the first PCB board 28 are integrated together, and the staff assembles the charger, pushes and drives the limiting block 26 and moves, and the limiting block 26 is extruded by the inner side wall of the barrel body 11, makes the elastic sheet 25 occur the elastic deformation, when the limiting block 26 reaches the installation position, the elastic sheet 25 resets, utilizes the limiting block 26 to fix the connecting piece 23, and is not affected by the wire when assembling, reduces the difficulty and time cost of assembly, improves the assembly efficiency, reduces the overall volume of the vehicle-mounted charger simultaneously, and the convenient installation and use are facilitated.

[0037] The above is only the specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of various changes or replacements in the technical range disclosed by the utility model, and these should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be limited to the protection scope of the claims.

Claims

1. A car charger with a cigarette lighter, comprising a main body component (10), characterized in that: The main body component (10) is provided with a cigarette lighting component (20) inside. The cigarette lighting component (20) includes a sleeve (21), a heating wire (22), a connector (23), a mounting hole (24), a spring (25), a limiting block (26), a mounting base (27), and a first PCB board (28). The inner wall of the sleeve (21) is fitted with a heating wire (22), and the outer wall of the sleeve (21) is fitted with a connector (23). The connector (23) has an installation hole (24) inside. The inner wall of the connector (23) is symmetrically fixedly connected with two spring pieces (25). One end of the spring piece (25) is fixedly connected with a limit block (26). The inner wall of the connector (23) is fixedly connected with a mounting base (27). A first PCB board (28) is installed on one side of the mounting base (27).

2. A car charger with a cigarette lighter according to claim 1, characterized in that: The main component (10) includes a cylindrical body (11) and a shell (12); The shell (12) is integrally formed on one side of the cylinder (11).

3. A car charger with a cigarette lighter according to claim 2, characterized in that: The connector (23) is detachably connected to the inner wall of the cylinder (11), and one end of the limiting block (26) extends through the outer wall of the cylinder (11) to the outside.

4. A car charger with a cigarette lighter according to claim 2, characterized in that: A sealing ring (13) is fitted on the outer wall of the housing (12).

5. A car charger with a cigarette lighter according to claim 4, characterized in that: An end cap (14) is detachably connected to one side of the housing (12), and the end cap (14) is disposed on one side of the sealing ring (13).

6. A car charger with a cigarette lighter according to claim 5, characterized in that: The end cap (14) has a first interface (15) and a second interface (16) on one side.

7. A car charger with a cigarette lighter according to claim 6, characterized in that: The first interface (15) and the second interface (16) are mounted on the second PCB board (17), which is installed inside the housing (12).

8. A car charger with a cigarette lighter according to claim 2, characterized in that: A connecting line (18) is installed at one end of the cylinder (11).