A multifunctional vehicle charger

Abstract

The utility model belongs to the technical field of vehicle charger, especially relates to a multifunctional vehicle charger, including cigar lighter and casing, the cigar lighter is connected through an electric signal line between casing, and the rear end of casing is surrounded and forms first accommodating chamber, and two charging line telescopic curl structures are equipped in first accommodating chamber, the front end of casing is surrounded and forms second accommodating chamber, and the second cavity is equipped with PCB circuit board, and the power input end of electric signal line and PCB circuit board is electrically connected, and one charging column is welded on the PCB circuit board, and one end of charging column is equipped with charging contact head, the front surface of casing is equipped with one wireless bluetooth charging mechanism, and one fixed groove is equipped on wireless bluetooth charging mechanism, and one charging groove is extended on one side of fixed groove, and charging contact head passes through casing and extends from the bottom of charging groove. Through the utility model, the vehicle charger can meet the convenience demand of vehicle charging, and has the wireless bluetooth earphone charging function.

Description

Technical Field

[0001] This utility model belongs to the field of vehicle charger technology, and in particular relates to a multi-functional vehicle charger. Background Technology

[0002] With the continuous development of electronic products, wireless Bluetooth headsets have gradually become popular in people's lives, and drivers use them to answer calls while driving. However, the placement and charging of these headsets after the call has become a problem for drivers. Patent application number 201721084985.6 addresses the conflict between car-charged Bluetooth headsets occupying charging ports in the vehicle's control area by combining wireless Bluetooth headset charging with a car charger. However, this car charger only has two USB charging ports on the cigarette lighter casing, requiring an additional charging cable, which fails to meet the convenience requirements of in-car charging.

[0003] Therefore, there is currently no car charger that can meet the convenience requirements of car charging while also providing wireless Bluetooth headset charging functionality. Utility Model Content

[0004] The purpose of this utility model is to provide a multi-functional car charger that can meet the convenience requirements of car charging while also having a wireless Bluetooth headset charging function.

[0005] To achieve the above objectives, this utility model provides a multi-functional vehicle charger, including a cigarette lighter and a housing.

[0006] The cigarette lighter is connected to the housing via an electrical signal line. The rear end of the housing forms a first receiving cavity, and two charging cable retractable and coiled structures are provided in the first receiving cavity. The front end of the housing forms a second receiving cavity, and a PCB circuit board is provided in the second cavity. The electrical signal line is electrically connected to the power input terminal of the PCB circuit board. A charging post is soldered on the PCB circuit board, and a charging contact is provided at one end of the charging post.

[0007] The front surface of the housing is provided with a wireless Bluetooth charging mechanism. The wireless Bluetooth charging mechanism is provided with a fixing groove, and a charging groove extends from one side of the fixing groove. The charging contact head passes through the wireless Bluetooth charging mechanism and extends out from the bottom of the charging groove. The charging port of the wireless Bluetooth earphone stem is connected to the charging contact head for charging.

[0008] As an optional solution of this utility model, the two sides of the shell are provided with a first limiting block, and the middle of the first limiting block is provided with a limiting groove, which extends horizontally toward the side end of the shell.

[0009] As an optional solution of this utility model, a retractable charging cable is coiled and connected inside the retractable charging cable coiling structure. One end of the retractable charging cable is provided with a charging head. The front surface of the housing is provided with a retractable charging cable through hole. The charging head passes through the second cavity and exits from the retractable charging cable through hole.

[0010] As an optional solution of this utility model, the charging cable telescopic coiling structure is provided with an electrical signal output adjustment module. The output end of the electrical signal output adjustment module is connected to the other end of the telescopic charging cable and is used to adjust the output specifications of the telescopic charging cable.

[0011] As an optional solution of this utility model, the housing is provided with a cable clamping groove that communicates with the through hole of the telescopic charging cable. The cable clamping groove is used to clamp the charging head. A reserved groove is provided on one side of the cable clamping groove, which is used to separate the cable clamping groove and the charging head from the clamping state.

[0012] As an optional solution of this utility model, a telescopic limiting block is also provided in the second cavity. The front end of the telescopic limiting block is provided with a telescopic limiting groove. The groove opening of the telescopic limiting groove abuts against the telescopic charging cable through hole. A limiting cavity is formed in the telescopic limiting groove, and the limiting cavity is used to accommodate the charging head.

[0013] As an optional solution of this utility model, the rear end of the telescopic limiting block is provided with a limiting hole, the limiting hole is connected to the limiting cavity, the limiting hole is used for the telescopic charging cable to pass through, and obstructs the charging head from passing through.

[0014] As an optional solution of this utility model, the PCB circuit board is also provided with a USB-A interface and a USB-C interface, and the front surface of the housing is provided with a USB-A through hole and a USB-C through hole. The output end of the USB-A interface and the output end of the USB-C interface are respectively plugged into the USB-A through hole and the USB-C through hole.

[0015] As an optional solution of this utility model, the input end of the electrical signal output adjustment module is provided with a male connector, and the PCB circuit board is provided with a female connector. The male connector and the female connector are plugged in to electrically connect the electrical signal output adjustment module to the PCB circuit board.

[0016] As an optional solution of this utility model, the USB-A interface, the USB-C interface, and the charging post are all electrically connected to the PCB circuit board.

[0017] The multifunctional vehicle charger provided in this embodiment of the utility model has at least one of the following technical effects:

[0018] This application provides a multi-functional car charger. It features two retractable charging cable structures within a first receiving cavity, each containing a retractable charging cable. This allows for flexible cable deployment and retraction, facilitating both easy unfolding during use and convenient storage when not in use, minimizing space occupancy and adapting to the vehicle's interior environment. An electrical signal output adjustment module within the retractable charging cable structures enables the two retractable charging cables to have different output specifications, achieving both high-power output and smooth low-power charging. The inclusion of USB-A and USB-C ports on the PCB circuit board allows the car charger to simultaneously meet the connection and charging needs of different devices. A wireless Bluetooth charging mechanism is incorporated into the housing surface, with charging posts on the PCB circuit board. One end of each charging post has a charging contact, which connects to the charging port on the stem of a wireless Bluetooth headset, facilitating the placement and charging of the wireless Bluetooth headset. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of a multifunctional vehicle charger according to this utility model.

[0021] Figure 2 This is a schematic diagram of the first and second receiving cavities of a multifunctional vehicle charger according to this utility model.

[0022] Figure 3 This is a first exploded schematic diagram of a multifunctional vehicle charger according to the present invention.

[0023] Figure 4 This is a schematic diagram of the front surface of a multifunctional vehicle charger according to this utility model.

[0024] Figure 5 This is a second exploded schematic diagram of a multifunctional vehicle charger according to the present invention.

[0025] Figure 6 This is a schematic diagram of the structure of the first limiting block of a multifunctional vehicle charger according to this utility model.

[0026] The following are the labeling elements in the figure:

[0027] 1. Cigarette lighter; 2. Housing; 3. Electrical signal line; 4. First receiving cavity; 5. Second receiving cavity; 6. Lower plate; 7. Upper plate; 8. PCB circuit board; 9. Wireless Bluetooth charging mechanism; 401. Charging cable telescopic coiling structure; 4011. Rotating disk; 4012. Spring sheet; 4013. Support plate; 4014. Cover plate; 4015. Second locking pin; 4016. Second locking hole; 402. Telescopic charging cable; 4021. Charging head; 403. Output adjustment module; 4031. Conductive component; 4032. Adjusting component; 505. Telescopic limit block 506. Telescopic limiting groove; 507. Limiting cavity; 508. Limiting hole; 601. First locking post; 602. Baffle; 603. Headphone charging through hole; 604. USB-C through hole; 605. USB-A through hole; 606. Telescopic charging cable through hole; 607. Cable slot; 608. Reserved slot; 609. First limiting block; 6010. Limiting groove; 701. First locking hole; 801. Charging post; 802. Charging contact head; 803. USB-C interface; 804. USB-A interface; 901. Fixing groove; 902. Charging slot. Detailed Implementation

[0028] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0029] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0031] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0032] In specific embodiments of this utility model, such as Figure 1 As shown, a multi-functional car charger is provided, including a cigarette lighter 1 and a housing 2. An electrical signal line 3 is connected to the bottom of the cigarette lighter 1, and the other end of the electrical signal line 3 extends into the interior of the housing 2.

[0033] Reference Figure 2 and Figure 3 The housing 2 includes a lower plate 6 at the bottom and an upper plate 7 at the top. The inner surface of the lower plate 6 is provided with a first locking pin 601, and the surface of the upper plate 7 is provided with a first locking hole 701. Screws are locked with the first locking pin 301 through the first locking hole 701 to form the housing 2. The rear end of the housing 2 forms a first receiving cavity 4, and the front end of the housing 2 forms a second receiving cavity 5. The first receiving cavity 4 and the second receiving cavity 5 are interconnected. The first receiving cavity 4 is provided with two charging cable telescopic coiling structures 401. The lower plate 6 is provided with a baffle 602, and the telescopic coiling structures 401 are fixed inside the baffle 602.

[0034] Reference Figure 3 The charging cable retractable coil structure 401 includes a support plate 4013 at the bottom and a cover plate 4014 at the top. A second locking post 4015 is provided in the middle of the support plate 4013. A second locking hole 4016 is provided on the surface of the cover plate 4014. A screw is locked to the second locking post 4015 through the second locking hole 4016. A rotating disk 4011 is sleeved on the second locking post 4015. A coiled spring sheet 4012 is fixed on the inner ring of the rotating disk 4011. A retractable charging cable 402 is coiled and connected to the outer ring of the rotating disk 4011. One end of the retractable charging cable 402 is fixed on the rotating disk 4011. The cable body of the retractable charging cable 402 is coiled along the outer ring of the rotating disk 4011. A charging head 4021 is provided at the other end of the retractable charging cable 402. When the retractable charging cable 402 is stretched outward, the rotating disk 4011 rotates in the forward direction under the action of friction, while the spring plate 4012 curls up and tightens, accumulating elastic potential energy. When the retractable charging cable 402 is released, the spring plate 4012 releases the accumulated elastic potential energy, causing the rotating disk 4011 to rotate in the reverse direction, and the retractable charging cable 402 curls up and is stored along the rotating disk 4011.

[0035] Reference Figure 3 Above the rotating disk 4011 is an electrical signal output adjustment module 403. The electrical signal output adjustment module 403 includes a conductive element 4031 and an adjusting element 4032, which are electrically connected to each other. The adjusting element 4032 is used to adjust the output specifications of the retractable charging cable 402. The conductive element 4031 is electrically connected to one end of the retractable charging cable 402, outputting the adjusted voltage to the retractable charging cable 402. In this specific embodiment of the invention, the two retractable charging cables 402 are preferably a Lightning interface charging cable and a USB-C interface charging cable. The electrical signal output adjustment module 403 of this specific embodiment adjusts the output of the USB-C interface charging cable to support a maximum power output of 65W using the PD protocol, enabling fast charging for devices requiring high-power charging.

[0036] Reference Figure 4 and Figure 5 The front surface of the lower plate 6 is provided with an earphone charging port 603, and a wireless Bluetooth charging mechanism 9 is embedded in the earphone charging port 603. The wireless Bluetooth charging mechanism 9 is provided with a fixing groove 901, and a charging groove 902 extends from one side of the fixing groove 901. The depth of the fixing groove 901 is slightly higher than the depth of the charging groove 902, and the fixing groove 901 and the charging groove 902 are interconnected, so that the head and stem of the wireless Bluetooth earphone are placed at a certain angle on the fixing groove 901 and the charging groove 902 respectively, which facilitates the placement and removal of the wireless Bluetooth earphone. The second cavity 5 is provided with a PCB circuit board 8. The electrical signal line 3 is electrically connected to the power input terminal of the PCB circuit board 8. A charging post 801 is soldered on the PCB circuit board 8. One end of the charging post 801 is provided with a charging contact head 802. The charging contact head 802 extends out from the bottom of the charging groove 902 through the wireless Bluetooth charging mechanism 9. The charging port of the wireless Bluetooth earphone stem is charged by connecting with the charging contact head 802.

[0037] Reference Figure 4 and Figure 5To the left of the headphone charging port 603 is a USB-C port 604. The PCB board 8 also has a USB-C interface 803. The output end of the USB-C interface 803 connects to the USB-C port 604. The PCB board 8 is electrically connected to the USB-C interface 503, providing a non-fast charging USB-C interface. To the right of the headphone charging port 603 is a USB-A port 605. The PCB board 8 also has a USB-A interface 804. The output end of the USB-A interface 804 connects to the USB-A port 605. The PCB board 8 is electrically connected to the USB-A interface 804, providing a USB-A interface. A retractable charging cable through-hole 606 is provided on the left side of the USB-C through-hole 604 and the right side of the USB-A through-hole 605. The charging head 4021 passes through the second cavity 5 and exits from the retractable charging cable through-hole 606. A cable-locking groove 607 is provided on one side of the retractable charging cable through-hole 606, which is connected to the retractable charging cable through-hole 606. The cable-locking groove 607 is used to lock the charging head 4021. A reserved groove 608 is also provided on one side of the cable-locking groove 607. The reserved groove 608 is connected to the cable-locking groove 607 and is used to separate the cable-locking groove 607 and the charging head 4021 from the locked state.

[0038] Reference Figure 5 The lower plate 6 has first limiting blocks 609 protruding from both sides, which are used to fix the vehicle charger to the storage box in the armrest box. A limiting groove 6010 is provided in the middle of the first limiting block 609, extending horizontally to the side end of the lower plate 6. After the limiting groove 6010 engages with the limiting post of the armrest box storage box, it can further improve the relative fixation between the vehicle charger and the storage box. The preferred vehicle models for this embodiment of the vehicle charger are the 2024 and 2025 Tesla Model 3 / Y.

[0039] Reference Figure 6 The second cavity 5 also includes a telescopic limiting block 505. The front end of the telescopic limiting block 505 has a telescopic limiting groove 506, the opening of which abuts against the telescopic charging cable through hole 606. A limiting cavity 507 is formed within the telescopic limiting groove 506, which is used to accommodate the charging head 4021. The rear end of the telescopic limiting block has a limiting hole 508, which communicates with the limiting cavity 507. The limiting hole 507 allows the telescopic charging cable 402 to pass through while obstructing the passage of the charging head 4021.

[0040] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A multi-functional car charger, comprising a cigarette lighter and a housing, characterized in that, The cigarette lighter is connected to the housing via an electrical signal line. The rear end of the housing forms a first receiving cavity, and two charging cable retractable and coiled structures are provided in the first receiving cavity. The front end of the housing forms a second receiving cavity, and a PCB circuit board is provided in the second cavity. The electrical signal line is electrically connected to the power input terminal of the PCB circuit board. A charging post is soldered on the PCB circuit board, and a charging contact is provided at one end of the charging post. The front surface of the housing is provided with a wireless Bluetooth charging mechanism. The wireless Bluetooth charging mechanism is provided with a fixing groove, and a charging groove extends from one side of the fixing groove. The charging contact head passes through the wireless Bluetooth charging mechanism and extends out from the bottom of the charging groove. The charging port of the wireless Bluetooth earphone stem is connected to the charging contact head for charging.

2. A multi-functional vehicle charger according to claim 1, characterized in that, The shell has a first limiting block protruding on both sides, and a limiting groove is provided in the middle of the first limiting block. The limiting groove extends horizontally toward the side end of the shell.

3. A multi-functional vehicle charger according to claim 1, characterized in that, The retractable charging cable is coiled and connected within the retractable charging cable structure. One end of the retractable charging cable is provided with a charging head. The front surface of the housing is provided with a retractable charging cable through hole. The charging head passes through the second cavity and exits from the retractable charging cable through hole.

4. A multi-functional vehicle charger according to claim 3, characterized in that, The retractable charging cable structure is equipped with an electrical signal output adjustment module. The output end of the electrical signal output adjustment module is connected to the other end of the retractable charging cable to adjust the output specifications of the retractable charging cable.

5. A multi-functional vehicle charger according to claim 3, characterized in that, The housing is provided with a cable-locking groove that communicates with the through hole of the telescopic charging cable. The cable-locking groove is used to lock with the charging head. A reserved slot is provided on one side of the cable-locking groove, which is used to separate the cable-locking groove and the charging head from the locked state.

6. A multifunctional vehicle charger according to claim 3, characterized in that, The second cavity is also provided with a telescopic limiting block. The front end of the telescopic limiting block is provided with a telescopic limiting groove. The opening of the telescopic limiting groove abuts against the through hole of the telescopic charging cable. A limiting cavity is formed in the telescopic limiting groove, and the limiting cavity is used to accommodate the charging head.

7. A multi-functional vehicle charger according to claim 6, characterized in that, The telescopic limiting block has a limiting hole at its rear end, which is connected to the limiting cavity. The limiting hole is used for the telescopic charging cable to pass through and prevents the charging head from passing through.

8. A multi-functional vehicle charger according to claim 1, characterized in that, The PCB circuit board is also provided with a USB-A interface and a USB-C interface. The front surface of the housing is provided with a USB-A through hole and a USB-C through hole. The output end of the USB-A interface and the output end of the USB-C interface are respectively plugged into the USB-A through hole and the USB-C through hole.

9. A multi-functional vehicle charger according to claim 4, characterized in that, The input terminal of the electrical signal output adjustment module is provided with a male connector, and the PCB circuit board is provided with a female connector. The male connector and the female connector are plugged in to electrically connect the electrical signal output adjustment module to the PCB circuit board.

10. A multifunctional vehicle charger according to claim 8, characterized in that, The USB-A interface, the USB-C interface, and the charging post are all electrically connected to the PCB circuit board.

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