CN209298933U - The vehicle-mounted USB charger with harness - Google Patents

Abstract

The utility model discloses a kind of vehicle-mounted USB chargers with harness, including USB controller and USB output interface；USB controller is connect by USB line beam with USB output interface.The USB output interface and USB controller of the USB charger of the utility model are separate structure, compared with existing integrated vehicle-mounted USB charger, assembly space needed for USB output interface is obviously reduced, therefore the place for being very suitable for spaces compact in the car uses.

Description

The vehicle-mounted USB charger with harness

Technical field

The utility model relates to vehicle-mounted USB chargers.

Background technique

Existing vehicle-mounted USB charger is mostly single port or dual-opening type, and shape is mostly cuboid.Fig. 1 is shown at present often A kind of perspective view of the explosion for the vehicle-mounted USB charger seen mainly includes shell 9a, pedestal 9b and PCBA(Printed Circuit Board Assembly) circuit board 9c, shell 9a is detachably interconnected with pedestal 9b, PCBA circuit board 9c peace In the space that shell 9a and pedestal 9b are limited jointly.Due to the PCBA(Printed Circuit of USB charger internal Board Assembly) power input connectors 91, USB output interface 92, other control components etc. are installed on plate, entirely The size of PCBA circuit board 9c can be larger, also larger so as to cause the volume of USB charger, needs a biggish space ability Realize the installation of USB charger.However, the position that can accommodate installation USB charger in automobile at present does not all allow for passenger to feel Convenient position is felt, to affect the experience of consumer.

Summary of the invention

The technical problem to be solved by the utility model is to provide a kind of vehicle-mounted USB chargers with harness, can At the small space of USB output interface installation in the car, and structure is simple, safe and convenient to use.

In order to solve the above technical problems, technical solution adopted in the utility model is:

A kind of vehicle-mounted USB charger with harness, including USB controller and USB output interface；USB controller passes through USB Harness is connect with USB output interface.

After adopting the above technical scheme, the utility model has at least the following advantages and feature:

1, the USB output interface and USB controller of the USB charger of the utility model embodiment are separate structure, the two It is connected by USB line beam, compared with conventional integrated vehicle-mounted USB charger, assembly space needed for USB output interface is obvious Reduce, therefore the place for being very suitable for spaces compact in the car uses；

2, the USB charger structure of the utility model embodiment is simple, at low cost.

Detailed description of the invention

Fig. 1 shows the perspective view of the explosion of existing USB charger.

Fig. 2 shows the schematic diagrames according to the USB charger of an embodiment of the present invention.

Fig. 3 shows the perspective view of the explosion of the USB controller according to an embodiment of the present invention.

Fig. 4 shows the structural schematic diagram of the upper cover according to an embodiment of the present invention.

Fig. 5 shows the structural schematic diagram of the pedestal according to an embodiment of the present invention.

Fig. 6 shows the perspective view of the explosion according to the USB charger of an embodiment of the present invention after taking away upper cover.

Fig. 7 shows the partial enlargement diagram of the portion P of Fig. 6.

Fig. 8 shows the perspective view of the explosion of the PCBA circuit board according to an embodiment of the present invention.

Fig. 9 shows the partial enlargement diagram of the part Q of Fig. 8.

Figure 10 shows the perspective view of the explosion of the USB output interface according to an embodiment of the present invention.

Figure 11 and Figure 12 shows the peace of the USB output interface according to an embodiment of the present invention from different perspectives respectively Fill effect diagram.

Specific embodiment

The utility model is described in detail in the following with reference to the drawings and specific embodiments.

Fig. 2 is please referred to Fig. 7.The vehicle-mounted USB charger with harness according to an embodiment of the present invention includes USB control Device 1 and USB output interface 2 processed, USB controller 1 are connect by USB line beam 3 with USB output interface 2.

USB controller 1 includes upper cover 11, pedestal 12 and PCBA circuit board 13.Upper cover 11 and pedestal 12 removably phase It connects, and surrounds a closed space jointly.In the present embodiment, upper cover 11 has multiple card slots 119, and pedestal 12, which has, to be divided The multiple fixture blocks 129 not matched with multiple card slots 119, multiple fixture blocks 129 are snapped connection with multiple card slots 119 respectively.

PCBA circuit board 13 is mounted in the closed space, and PCBA circuit board 13 is equipped with power input connectors 14. At work, which connect with vehicle-mounted 12V power supply.One end of USB line beam 3 and PCBA circuit board 13 connect It connects, the other end of USB line beam 3 is connect with USB output interface 2.Optionally, USB harness 3 and PCBA circuit board 13 pass through welding Or riveting is connected with each other.

In the present embodiment, pedestal 12 has the inner cavity 120 of upward opening.The side wall of inner cavity 120 includes head and the tail successively phase The first side wall 121, third side wall 123, second sidewall 122 and the 4th side wall 124 even, the first side wall 121 and second sidewall 122 Relatively, third side wall 123 and the 4th side wall 124 are opposite.The first side wall 121 offers that power supply source input connector 14 passes through One opening 1211；Second sidewall 122 offers the second opening 1222 passed through for USB line beam 3.

In the present embodiment, the side wall of the inner cavity 120 of pedestal 12 is equipped with and moves longitudinally for limiting PCBA circuit board 13 The first limiting section and the second limiting section for being laterally moved for limiting PCBA circuit board 13；The inner wall of upper cover 11, which is equipped with, to be used In the third limiting section that limitation PCBA circuit board 13 moves up, third limiting section support is connected to the upper surface of PCBA circuit board, from And PCBA circuit board 13 is fixed on upper cover 11 and is formed by enclosure space with pedestal 12.Longitudinal direction described herein is in Fig. 3 Shown in X-direction, laterally be Fig. 3 shown in Y direction.Above-mentioned position limiting structure is simple and reliable, does not need to increase additionally Component (such as screw) removes fixed PCBA circuit board 13, and cost is relatively low.Further, since not needing on PCBA circuit board 13 to screw Reserved space is installed, therefore the volume of PCBA circuit board 13 can be made smaller so that USB controller 1 be more suitable for it is narrow It is installed and used in space.

Specifically, the first limiting section includes a plurality of first convex ribs 151 being arranged on third side wall 123 and is arranged the 4th A plurality of second convex ribs 152 on side wall 124, a plurality of first convex ribs 151 and a plurality of second convex ribs 152 abut PCBA circuit board respectively 13 first side 131 and second side 132.Second limiting section includes the second block 162 of the first block of a pair 161 and a pair, A pair of first block 161 is arranged on the first side wall 121, and is located at the two sides of the first opening 1211, a pair of first gear The third side 133 of the abutting PCBA circuit board 13 of block 161.A pair of second block 162 is separately positioned on the of PCBA circuit board 13 On three side walls 123 and the 4th side wall 124.The both ends of the four side 134 of PCBA circuit board 13 are respectively equipped with a notch 135, A pair of second block 162 is connected to respectively on the bottom wall of two notches.Third limiting section is made of more raised lines 113, and more convex The lower end of item 113 abuts PCBA circuit board 13, limits to be formed in Z-direction to PCBA circuit board 13.

In the present embodiment, USB harness 3 is arranged with cutting ferrule 4 at one end close to USB controller, and cutting ferrule 4 includes cylinder Body portion 41 and limit plate 42.Second opening 122 is extended downwardly from the top of second sidewall 122, and the shape of the second opening 122 is in It is arc-shaped.The inner surface of second sidewall 122 is equipped with enclosure wall portion 125, and enclosure wall portion 125 and the inner surface of second sidewall 122 enclose jointly The limiting slot 126 that Cheng Yiyu limit plate 42 matches.The top in enclosure wall portion 125 offers the groove for accommodating USB line beam 127,127 face second of groove opening 1222.The barrel 41 of cutting ferrule 4 is partially accommodated in the second opening 1222, cutting ferrule 4 Limit plate 42 protrudes into limiting slot 126, so that USB line beam 3 has been fixed on USB controller 1, avoids USB line beam 3 because of fortune It is defeated, pullled and caused the disengaging of harness Yu PCBA circuit board in assembling process, while also avoiding that USB line will be pullled along axial direction The power of beam 3 is loaded directly on PCBA circuit board 13, causes the damage of PCBA circuit board copper layers of foil.In addition, cutting ferrule 4 also has knot The advantages that structure is simple, easily fabricated, easy to assembly with USB controller.

More specifically, enclosure wall portion 125 includes baffle portion 1251 and a pair of of side wall part 1252.Baffle portion 1251 is parallel to Two side walls 122, groove 127 are opened in the top of baffle portion 1251.One end of a pair of of side wall part 1252 respectively with baffle portion 1251 Two sides be connected, the other end of a pair of of side wall part 1252 is connected with the inner surface of second sidewall 122 respectively, a pair of of side wall part 1252 It is located at the two sides of the second opening 1222.

Please refer to Fig. 8 and Fig. 9.PCBA circuit board 13 includes reduction voltage circuit and anti-electromagnetic interference circuit.Reduction voltage circuit outer cover Equipped with shielding case 17.Four angles of the bottom of shielding case 17 are respectively equipped with the resilient prongs 171 extended downwardly, resilient prongs 171 longitudinal cross-section is wave-shaped.PCBA circuit board 13 is equipped with four matched respectively with four resilient prongs 171 Slot 137, four resilient prongs 171 are respectively clamped into four slots 137, so that shielding case 17 is fixed on PCBA circuit board On 13.Shielding case is connect by the way of Elastic buckle with PCBA circuit board, and compared to past welding manner, installation is more Simply, cost is also lower.

Please refer to Figure 10.USB output interface 2 includes the cover 21 and USB out connector 22.The cover 21 is logical with center Hole 210, USB out connector 22 is inserted into the central through hole 210 of the cover 21, and is snapped connection with the cover 21.

In the present embodiment, the surface of the cover 21 is equipped with multiple fastening holes 211.USB out connector 22 has a pedestal 220, the surface of pedestal 220 is equipped with the multiple buckle convex blocks 221 matched respectively with multiple fastening holes 211 of the cover, multiple Buckle convex block 221 is entrenched in respectively in multiple fastening holes 211 of the cover.USB out connector 22 is TYPE-A type USB connection Device or TYPE-C type USB connector.USB out connector 22 can be set by mobile phone charging wire to electronics such as user mobile phone, plates Standby charging.

Figure 11 and Figure 12 shows the peace of the USB output interface according to an embodiment of the present invention from different perspectives respectively Fill effect diagram.It can be seen from the figure that due to the USB output interface and USB of the USB charger of the utility model embodiment Controller is separate structure, so that assembly space needed for USB output interface 2 is obviously reduced, therefore is very suitable in the car The place of spaces compact uses.The USB output interface 2 can be with the panel of installation place by the way of snapping connection, so that installation It is quite convenient to disassembly.

Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.

Claims (10)

1. a kind of vehicle-mounted USB charger with harness, which is characterized in that including USB controller and USB output interface；The USB Controller is connect by USB line beam with the USB output interface.

2. the vehicle-mounted USB charger with harness according to claim 1, which is characterized in that the USB controller includes Upper cover, pedestal and PCBA circuit board；The upper cover is detachably interconnected with the pedestal, and it is closed to surround one jointly Space；The PCBA circuit board is mounted in the closed space, and PCBA circuit board is equipped with power input connectors；

One end of the USB line beam is connect with the PCBA circuit board, and the other end and the USB output of the USB line beam connect Mouth connection.

3. the vehicle-mounted USB charger with harness according to claim 2, which is characterized in that the pedestal has to be opened upwards The inner cavity of mouth, the side wall of the inner cavity includes the first side wall being sequentially connected end to end in turn, third side wall, second sidewall and the 4th side Wall, the first side wall is opposite with second sidewall, and third side wall is opposite with the 4th side wall；

The first side wall offers the first opening passed through for the power input connectors；The second sidewall offers confession The second opening that the USB line beam passes through.

4. the vehicle-mounted USB charger with harness according to claim 3, which is characterized in that the USB harness is close Cutting ferrule is arranged at one end of the USB controller, the cutting ferrule includes barrel and limit plate；

Second opening is extended downwardly from the top of the second sidewall；The inner surface of the second sidewall is equipped with enclosure wall portion, The enclosure wall portion surrounds a limiting slot matched with the limit plate with the inner surface of second sidewall jointly；The enclosure wall portion Top offers the groove for accommodating the USB line beam, the second opening described in the groove face；

The barrel is partially accommodated in second opening, and the limit plate protrudes into the limiting slot.

5. the vehicle-mounted USB charger with harness according to claim 3, which is characterized in that the intracavity sidewall of the pedestal Equipped with for limiting the first limiting section that the PCBA circuit board moves longitudinally and for limiting PCBA circuit board edge Second limiting section of transverse shifting；

The inner wall of the upper cover is equipped with the third limiting section moved up for limiting the PCBA circuit board, the third limit Portion is connected to the upper surface of PCBA circuit board.

6. the vehicle-mounted USB charger with harness according to claim 2, which is characterized in that the USB harness and PCBA Circuit board is connected with each other by welding or riveting.

7. the vehicle-mounted USB charger with harness according to claim 2, which is characterized in that the PCBA circuit board includes Reduction voltage circuit and anti-electromagnetic interference circuit；Shielding case is covered with outside the reduction voltage circuit.

8. the vehicle-mounted USB charger with harness according to claim 7, which is characterized in that the bottom of the shielding case Four angles are respectively equipped with the resilient prongs extended downwardly, and the longitudinal cross-section of the resilient prongs is wave-shaped；The PCBA electricity Road plate is equipped with four slots matched respectively with four resilient prongs, and four resilient prongs are respectively clamped into described four In a slot.

9. the vehicle-mounted USB charger with harness according to claim 1, which is characterized in that the USB output interface packet Containing the cover and USB out connector；The cover has central through hole, and the USB out connector is inserted into the cover In heart through-hole, and snapped connection with the cover.

10. the vehicle-mounted USB charger with harness according to claim 9, which is characterized in that the USB exports connection Device is TYPE-A type USB connector or TYPE-C type USB connector.