Vehicle-mounted charger easy to dissipate heat

Abstract

The utility model relates to the technical field of vehicle-mounted chargers, in particular to a vehicle-mounted charger easy to dissipate heat, which comprises an inserting rod, a charging control box is arranged on the upper side of the inserting rod, an external threaded rod is mounted in the inserting rod, an electric connecting plate push-pull component is mounted at the lower end of the external threaded rod, and sliding-out openings are formed in the outer surfaces of the two sides of the inserting rod. An electric connecting plate is arranged at the position, close to the sliding outlet, in the inserting rod, an inner box is arranged in the charging control box, a charging controller is installed in the inner box, a metal rod is arranged in the charging control box, a fan is installed on the inner side of the inner box, and a heat dissipation net is arranged on the outer side of the charging control box. According to the utility model, the heat generated by the device is absorbed through the heat absorption metal bar, the heat is blown out through the small fan, the heat dissipation uniformity is improved, and the electric connection part of the metal conducting strip at the plug is of a push-pull structure, so that the conducting strip is prevented from being abraded in the insertion process.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle charger technical field, concretely is a vehicle charger easy to radiate heat. BACKGROUND

[0002] Vehicle charger refers to the vehicle charger that is powered by the car battery, and is widely used in the field of lithium battery charging of various portable and handheld devices. The vehicle charger is generally powered by the cigarette lighter interface in the car and is used for charging electronic products such as tablets.

[0003] A heat dissipation type vehicle charger is disclosed in a Chinese patent (authorized publication number CN210490020U), but the heat dissipation fins of the above device are on the outside of the device, which can easily scald the user during the heat dissipation process. The device and the cigarette lighter interface power supply port connector on the market are both snap-connected, which can cause serious wear and tear on the conductive sheet during the insertion process. The conductive sheet is squeezed, and there is a problem of poor contact after long-term use, which can generate a large amount of heat at the joint, which is not conducive to the safety of use. Therefore, the technical personnel in the field provide a vehicle charger easy to radiate heat to solve the problems raised in the above background technology. SUMMARY

[0004] The utility model aims at providing a vehicle charger easy to radiate heat to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A vehicle charger easy to radiate heat, comprising a plug rod, a charging control box is arranged on the upper side of the plug rod, an external thread rod is installed in the plug rod, an electric connection plate push-pull component is installed at the lower end of the external thread rod, a sliding outlet is formed in the outer surface of both sides of the plug rod, an electric connection plate is arranged at the position close to the sliding outlet in the plug rod, an inner box is arranged in the charging control box, a charging controller is installed in the inner box, a metal rod is arranged in the charging control box, a fan is installed on the inner side of the inner box, a heat dissipation net is arranged on the outer side of the charging control box, a rotating disc is arranged at the upper end of the external thread rod, a USB interface is installed on the upper side of the charging control box, and a metal conductive sheet is arranged on the outer side of the electric connection plate.

[0007] As a further scheme of the utility model, a second hinge is welded at the position of both sides of the electric connection plate push-pull component, a first hinge is welded on the inner side of the electric connection plate, a telescopic rod is installed at the outer end of the second hinge, and a spring is arranged on the outer side of the telescopic rod.

[0008] As a further scheme of the utility model: the metal conductive sheet slides at the internal position of the sliding outlet, and the metal conductive sheet slides at the internal position of the sliding outlet through the electric connection plate push-pull component.

[0009] As a further scheme of the utility model: the output end of the metal conductive sheet is electrically connected with the input end of the charging controller.

[0010] As a further scheme of the utility model: the upper end of the external thread rod rotates at the internal position of the charging control box, and the electric connection plate push-pull component rotates at the lower end position of the external thread rod.

[0011] As a further scheme of the utility model: the upper end of the telescopic rod is hingedly connected to the external end position of the second hinging piece, the lower end of the telescopic rod is hingedly connected to the external end position of the first hinging piece, the upper end of the telescopic rod is rotatably connected to the outside of the electric connection plate push-pull component through the second hinging piece, and the lower end of the telescopic rod is rotatably connected to the inside of the electric connection plate through the first hinging piece.

[0012] Compared with the prior art, the utility model has the advantages that: the heat-absorbing metal rod is arranged at the heat dissipation position, the heat generated by the heat-absorbing metal rod absorbing device is blown out by the small fan, the uniformity of heat dissipation is improved, the problem that local heat dissipation of the device leads to rapid aging of the heat dissipation position is avoided, the electric connection of the metal conductive sheet at the plug is a push-pull structure, the metal conductive sheet is pushed to contact the inside of the cigarette lighter interface after being inserted, the abrasion of the conductive sheet during the insertion process is avoided, the conductive sheet is prevented from being deformed by extrusion, the connection firmness is high, the problem of poor contact is avoided, the safety of use is beneficial, and the stability is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structure schematic view of a vehicle-mounted charger easy to dissipate heat;

[0014] Figure 2 It is a perspective view of a vehicle-mounted charger easy to dissipate heat;

[0015] Figure 3 It is a vehicle-mounted charger easy to dissipate heat Figure 2 Structure schematic view of part A.

[0016] In the drawing: 1, plug rod; 2, charging control box; 3, external thread rod; 4, electric connection plate push-pull component; 5, electric connection plate; 6, sliding outlet; 7, inner box; 8, fan; 9, metal rod; 10, charging controller; 11, USB interface; 12, rotating disc; 13, heat dissipation net; 14, first hinging piece; 15, second hinging piece; 16, telescopic rod; 17, spring. DETAILED DESCRIPTION

[0017] Referring to Figures 1 to 3 The utility model discloses an easy to dissipate heat's vehicle charger, including the plug stick 1, the upside of plug stick 1 is provided with the charging control box 2, the inside installation of plug stick 1 has the outer thread rod 3, the lower end of outer thread rod 3 is installed electrically connected board push -pull component 4, the both sides outer surface of plug stick 1 is all seted up with the sliding outlet 6, the inside of plug stick 1 is seted up with electrically connected board 5 near the position of sliding outlet 6, the inside of charging control box 2 is provided with the inner box 7, the inside installation of inner box 7 has the charging controller 10, the inside of charging control box 2 is provided with the metal rod 9, the inboard of inner box 7 is installed fan 8, the outside of charging control box 2 is provided with the heat dissipation net 13, the upper end of outer thread rod 3 is provided with the rotating disc 12, the upside of charging control box 2 is installed USB interface 11, the outside of electrically connected board 5 is provided with the metal conducting strip, and the metal conducting strip slides in the inside position of sliding outlet 6, and the metal conducting strip slides in the inside position of sliding outlet 6 through electrically connected board push -pull component 4, the output of charging controller 10 is electrically connected respectively fan 8 and the input of USB interface 11, the output of metal conducting strip is electrically connected with the input of charging controller 10, the upper end of outer thread rod 3 rotates in the inside position of charging control box 2, and electrically connected board push -pull component 4 rotates in the lower end position of outer thread rod 3, first, take out device, carry device to the use position, then, plug stick 1 is inserted into the inside of cigarette lighter socket, holds rotating disc 12, drives outer thread rod 3 to rotate, and the lower end of outer thread rod 3 rotates in the inside of electrically connected board push -pull component 4, and electrically connected board push -pull component 4 moves down on the outer surface of outer thread rod 3, and electrically connected board push -pull component 4 promotes the metal conducting strip of electrically connected board 5 outside to slide out through sliding outlet 6, and the metal conducting strip contacts the inside of cigarette lighter socket, and electronic equipment is connected through USB connection line and is accessed USB interface 11, and charging controller 10 controls the current and fills in the inside of electronic equipment, in the working process, the heat generated in the inside of inner box 7 is adsorbed by metal rod 9, and the heat adsorbed by metal rod 9 is blown out through heat dissipation net 13 by fan 8 operation.

[0018] In Figure 2 , 3The second hinge 15 is welded on both sides of the electric connection plate push-pull component 4, the first hinge 14 is welded on the inner side of the electric connection plate 5, the outer end of the second hinge 15 is provided with the telescopic rod 16, the outer side of the telescopic rod 16 is provided with the spring 17, the upper end of the telescopic rod 16 is hinged to the outer end position of the second hinge 15, the lower end of the telescopic rod 16 is hinged to the outer end position of the first hinge 14, the upper end of the telescopic rod 16 is rotatably connected to the outer side of the electric connection plate push-pull component 4 through the second hinge 15, the lower end of the telescopic rod 16 is rotatably connected to the inner side of the electric connection plate 5 through the first hinge 14, the hand-held rotating disc 12 drives the outer threaded rod 3 to rotate, the lower end of the outer threaded rod 3 rotates in the electric connection plate push-pull component 4, the electric connection plate push-pull component 4 moves downwards on the outer surface of the outer threaded rod 3, the upper end of the telescopic rod 16 rotates on the outer side of the electric connection plate push-pull component 4 through the second hinge 15, the lower end of the telescopic rod 16 rotates on the inner side of the electric connection plate 5 through the first hinge 14, the telescopic rod 16 pushes the metal conductive sheet on the outer side of the electric connection plate 5 to slide out through the sliding outlet 6, the telescopic rod 16 contracts, the spring 17 rebounds, damage to the inside of the cigarette lighter socket caused by the electric connection plate 5 during operation is avoided, and the metal conductive sheet contacts the inside of the cigarette lighter socket.

[0019] The working principle of the utility model is: first, the device is taken out, the device is carried to the use position, then, the plug rod 1 is inserted into the inside of the cigarette lighter socket, the hand-held rotating disc 12 drives the outer threaded rod 3 to rotate, the lower end of the outer threaded rod 3 rotates in the electric connection plate push-pull component 4, the electric connection plate push-pull component 4 moves downwards on the outer surface of the outer threaded rod 3, the upper end of the telescopic rod 16 rotates on the outer side of the electric connection plate push-pull component 4 through the second hinge 15, the lower end of the telescopic rod 16 rotates on the inner side of the electric connection plate 5 through the first hinge 14, the telescopic rod 16 pushes the metal conductive sheet on the outer side of the electric connection plate 5 to slide out through the sliding outlet 6, the telescopic rod 16 contracts, the spring 17 rebounds, damage to the inside of the cigarette lighter socket caused by the electric connection plate 5 during operation is avoided, and the metal conductive sheet contacts the inside of the cigarette lighter socket, the electronic equipment is connected to the USB interface 11 through the USB connecting line, the charging controller 10 controls the current to be filled into the inside of the electronic equipment, during the working process, the metal rod 9 adsorbs the heat generated in the inside of the inner box 7, the fan 8 runs and blows out the heat adsorbed by the metal rod 9 through the heat dissipation net 13.

[0020] The above is only the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A vehicle-mounted charger easy to dissipate heat, comprising a plug rod (1), characterized in that, The upper side of the insertion rod (1) is provided with a charging control box (2), the inside of the insertion rod (1) is installed with an external thread rod (3), the lower end of the external thread rod (3) is installed with an electric connecting plate push-pull component (4), the both sides of the insertion rod (1) are provided with sliding outlets (6), the inside of the insertion rod (1) is provided with an electric connecting plate (5) near the sliding outlet (6), the inside of the charging control box (2) is provided with an inner box (7), the inside of the inner box (7) is installed with a charging controller (10), the inside of the charging control box (2) is provided with a metal rod (9), the inner side of the inner box (7) is installed with a fan (8), the outer side of the charging control box (2) is provided with a heat dissipation net (13), the upper end of the external thread rod (3) is provided with a rotating disc (12), the upper side of the charging control box (2) is installed with a USB interface (11), the outer side of the electric connecting plate (5) is provided with a metal conductive sheet.

2. The vehicle charger of claim 1, wherein, The both sides of the electric connecting plate push-pull component (4) are welded with second hinged pieces (15), the inner side of the electric connecting plate (5) is welded with a first hinged piece (14), the outer end of the second hinged piece (15) is installed with a telescopic rod (16), the outer side of the telescopic rod (16) is provided with a spring (17).

3. The vehicle charger of claim 1, wherein, The metal conductive sheet slides in the inside of the sliding outlet (6), the metal conductive sheet slides in the inside of the sliding outlet (6) through the electric connecting plate push-pull component (4).

4. The car charger of claim 1, wherein, The output end of the charging controller (10) is respectively electrically connected with the input end of the fan (8) and the USB interface (11), the output end of the metal conductive sheet is electrically connected with the input end of the charging controller (10).

5. The vehicle charger of claim 1, wherein, The upper end of the external thread rod (3) rotates in the inside of the charging control box (2), the electric connecting plate push-pull component (4) rotates in the lower end position of the external thread rod (3).

6. The car charger of claim 2, wherein, The upper end of the telescopic rod (16) is hinged in the outer end position of the second hinged piece (15), the lower end of the telescopic rod (16) is hinged in the outer end position of the first hinged piece (14), the upper end of the telescopic rod (16) is rotatably connected with the outer side of the electric connecting plate push-pull component (4) through the second hinged piece (15), the lower end of the telescopic rod (16) is rotatably connected with the inner side of the electric connecting plate (5) through the first hinged piece (14).

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