CN210296737U

CN210296737U - USB charger

Info

Publication number: CN210296737U
Application number: CN201921208513.6U
Authority: CN
Inventors: 孙立军
Original assignee: CIXI TENGHUI AUTOMOBILE ELECTRIC FACTORY
Current assignee: CIXI TENGHUI AUTOMOBILE ELECTRIC FACTORY
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-04-10
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a USB charger, which comprises a shell, wherein the shell is clamped with a base, the outer wall of the base is provided with a buckle, and the shell is provided with a clamping hole; a circuit board is arranged in the shell, the circuit board is provided with a USB connector and pins, the shell is provided with a connector, and the base is provided with jacks; articulated on the casing have flip, and the connector is located to the flip lid, is equipped with the locking subassembly between flip and the casing, and the locking subassembly includes hasp and lockhole, and the hasp is the arcwall face including protruding, protruding lateral wall, and the arc wall has been seted up to the lockhole. The utility model has the advantages of it is following and effect: the mode of hinging the turnover cover on the shell is adopted, so that the dustproof and waterproof effects are achieved, and the turnover cover is locked on the shell through the locking component and is not easy to automatically open; the limiting block is matched with the limiting groove in a limiting way, so that the circuit board can be prevented from shaking in the shell; the pin protection block can protect the pin in an unused state and prevent the pin from being collided and damaged.

Description

USB charger

Technical Field

The utility model relates to a charger technical field, in particular to USB charger.

Background

At present, portable electronic devices such as mobile phones and digital cameras become indispensable daily necessities for modern people, and these electronic devices are generally equipped with a rechargeable battery, a special charger and a data line, one end of the data line is provided with an interface matched with the electronic device, the other end of the data line is provided with a standard USB interface, and after being connected to a USB interface of a computer and the like through the data line, the electronic devices can communicate or charge the battery. However, since the dedicated charger and the computer need to use an ac power source, if the electronic device is located in the field, the electronic device needs to be charged by the vehicle-mounted USB charger.

The current chinese patent with publication number CN203205930U discloses a double-USB vehicle-mounted charger, which comprises a housin, a circuit board, the copper head, the negative pole shell fragment, a support, LED device and spring, the circuit board, the copper head, support and spring all set up in the casing, the casing includes the epitheca, inferior valve and back lid, the epitheca lock is in the inferior valve, epitheca and inferior valve respectively with back lid fixed connection, the epitheca is provided with logical groove, the LED device card is located logical groove and is located the circuit board top, the circuit board is provided with two at least USB interfaces, the copper head passes through spring and leg joint, and the support is connected with the negative pole shell fragment. When the charging device is used, the charging can be realized by directly inserting the external connector into the USB interface.

However, the dual-USB vehicle-mounted charger has the following disadvantages: because the USB interface is directly exposed, the problems of poor dustproof and waterproof effects exist in the long-term use process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a USB charger adopts articulated flip on the casing, and flip lid has dustproof, the better effect of waterproof nature ability in the connector.

The above technical purpose of the present invention can be achieved by the following technical solutions: a USB charger comprises a shell, wherein a base is clamped at the bottom of the shell, a buckle is arranged on the outer wall of the base, and a clamping hole matched with the buckle in a clamping mode is formed in the shell; a circuit board is arranged in the shell, the circuit board is provided with a USB connector and pins, a connector corresponding to the USB connector is arranged on the shell, and jacks for the pins to penetrate out are arranged on the base; articulated through the articulated shaft on the casing have flip, and the connector is located to the flip lid, is provided with the locking subassembly between flip and the casing, and the locking subassembly is including setting up the lockhole that has elastic hasp and set up in the flip inner wall on the casing, and the hasp is including protruding, and protruding lateral wall sets up to the arcwall face, and the arc wall that corresponds with the arcwall face is seted up to the lockhole, and when flip locked on the casing, the arcwall face imbeds to the arc wall in.

By adopting the technical scheme, when the USB connector is installed on the shell, the USB connector on the circuit board is just aligned to the connector; during the use, will participate in inserting the circular telegram on the socket, then turn over flip, can insert external connection head to the USB connector and realize the electricity and connect, when need not use, cover flip in the connector again, when flip pressed to the casing, the protruding embedding on the hasp can realize the locking to the arc wall in. So, can play dustproof, waterproof effect through flip, and flip locks on the casing through locking Assembly, when the charger is used for on-vehicle, even the vehicle jolts great at the in-process of traveling, flip is difficult also to open automatically.

The utility model discloses a further set up to: the hasp sets up the side relative with the articulated shaft on the casing.

Through adopting above-mentioned technical scheme, hasp and articulated shaft set up relatively, and the effect is better when the locking.

The utility model discloses a further set up to: the flip cover is provided with a flip convex part which is positioned at one end of the flip cover far away from the hinge shaft.

By adopting the technical scheme, when the turnover cover is opened, the turnover cover can be turned over towards the direction far away from the shell through the turnover convex part, and the turnover cover is convenient to open.

The utility model discloses a further set up to: convex edges are arranged around the connecting port.

Through adopting above-mentioned technical scheme, connector chimb all around can play the guard action to the USB connector to a certain extent.

The utility model discloses a further set up to: the side of circuit board is provided with the stopper, and shells inner wall is provided with a plurality of spacing, forms the spacing groove between the spacing, spacing cooperation of spacing groove and stopper.

Through adopting above-mentioned technical scheme, when installing the circuit board in the casing, stretch into the casing with the circuit board from casing bottom opening part in, the stopper upwards slides along the spacing groove, and the installation back, circuit board pass through the stopper by spacing in the spacing groove, can prevent to a certain extent that the circuit board from rocking in the casing.

The utility model discloses a further set up to: the end of the limiting strip is provided with a guide inclined plane.

Through adopting above-mentioned technical scheme, when the stopper inserted to the spacing inslot, the direction inclined plane can play the guide effect to the stopper to a certain extent, makes it slide into to the spacing inslot fast.

The utility model discloses a further set up to: the inner wall of the shell is provided with a positioning strip, and the base is provided with a positioning groove matched with the positioning strip in a positioning way.

Through adopting above-mentioned technical scheme, after the pedestal mounting was on the casing, the location strip inlayed in the constant head tank, location strip and constant head tank location cooperation can make the relative casing location of base.

The utility model discloses a further set up to: one end of the base, which is positioned outside the shell, is provided with a pin protection block.

Through adopting above-mentioned technical scheme, set up the participate in the protection piece on the base, under unused state, can play the guard action to the plug, prevent to collide with the damage.

To sum up, the utility model discloses following beneficial effect has:

1. the mode that the turnover cover is hinged to the shell is adopted, the dustproof and waterproof effects are achieved, the turnover cover is locked to the shell through the locking assembly, and when the USB charger is used for a vehicle, even if the vehicle jolts greatly in the current running process, the turnover cover is not easy to automatically open;

2. the limiting block is in limiting fit with the limiting groove, and after the circuit board is installed in the shell, the circuit board is limited in the limiting groove through the limiting block, so that the circuit board can be prevented from shaking in the shell to a certain extent;

3. the pin protection block can protect the pin in an unused state and prevent the pin from being collided and damaged.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the embodiment, in which the flip cover is in the flip open state.

Fig. 2 is a schematic view of the internal structure of the housing in the embodiment.

Fig. 3 is an exploded view of the embodiment.

Fig. 4 is a cross-sectional view of the housing, flip, and base of an embodiment.

In the figure: 1. a housing; 11. a clamping hole; 12. a connecting port; 13. a convex edge; 14. a limiting strip; 15. a limiting groove; 16. hinging a shaft; 2. a base; 21. buckling; 22. a jack; 23. positioning a groove; 3. a circuit board; 31. a USB connector; 32. a pin; 33. a limiting block; 4. a cover is turned; 41. a lock hole; 42. turning and lifting the convex part; 5. locking; 51. a protrusion; 6. a guide slope; 7. a positioning bar; 8. and a pin protection block.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The utility model provides a USB charger, as shown in figure 1, figure 2 and figure 4 are shown, casing 1 including wholly being the cuboid, there is base 2 casing 1's bottom through joint subassembly joint, the joint subassembly is including setting up buckle 21 of 2 outer walls of base and seting up joint hole 11 on casing 1, joint hole 11 and the cooperation of buckle 21 joint, be provided with circuit board 3 in casing 1, 3 upper portions of circuit board are provided with USB connector 31, circuit board 3's lower part is provided with two and participates in 32, connector 12 that corresponds with USB connector 31 is seted up at casing 1 top, connector 12 is provided with chimb 13 all around, chimb 13 can play the guard action to USB connector 31 to a certain extent, set up the jack 22 that supplies to participate in 32 wearing out on the base 2. The top of the shell 1 is hinged with a turnover cover 4 through a hinge shaft 16, the turnover cover 4 is correspondingly covered on the connecting port 12, and a locking component is arranged between the turnover cover 4 and the shell 1.

As shown in fig. 3 and 4, the locking assembly includes an elastic latch 5 disposed on the housing 1 and a latch hole 41 disposed on an inner wall of the flip cover 4, the latch 5 is disposed on a side of the housing 1 opposite to the hinge shaft 16, an upper end side wall of the latch 5 is provided with a protrusion 51, a side wall of the protrusion 51 is provided with an arc surface, the latch hole 41 is provided with an arc groove corresponding to the arc surface, when the flip cover 4 is locked on the housing 1, the arc surface is embedded into the arc groove, the flip cover 4 is provided with a flip protrusion 42, and the flip protrusion 42 is located on the flip cover 4 and at an end corresponding to the latch 5.

As shown in fig. 3 and 4, the side of circuit board 3 is provided with stopper 33, the both sides inner wall of casing 1 is vertical two spacing strips 14 that are provided with respectively, be formed with vertical spacing groove 15 between two spacing strips 14, spacing groove 15 and the spacing cooperation of stopper 33, and the lower tip of spacing strip 14 is provided with direction inclined plane 6, when installing circuit board 3 in casing 1, stretch into casing 1 with circuit board 3 from 1 bottom opening part of casing, under the guide effect on direction inclined plane 6, stopper 33 aims at fast and upwards slides along spacing groove 15, after the installation, circuit board 3 is spacing in spacing groove 15 through stopper 33, can prevent to a certain extent that circuit board 3 from rocking in casing 1. The inner wall of the shell 1 is further provided with a vertical positioning strip 7, the base 2 is provided with a positioning groove 23 matched with the positioning strip 7 in a positioning mode, after the base 2 is installed on the shell 1, the positioning strip 7 is embedded in the positioning groove 23, and the positioning strip 7 and the positioning groove 23 are matched in a positioning mode so that the base 2 can be positioned relative to the shell 1. The base 2 is provided with a pin protection block 8 at one end outside the housing 1. The base 2 is provided with the pin protection block 8, so that the pin 32 can be protected to prevent collision and damage when not in use.

The utility model discloses a basic operating principle does: when the USB socket is installed, the circuit board 3 is installed on the base 2, the plug pins 32 are inserted into the jack 22, then the base 2 is fixedly installed on the shell 1 and is fixed through clamping matching of the buckles 21 and the clamping holes 11, and when the base 2 is installed on the shell 1, the USB connector 31 on the circuit board 3 is just aligned with the connector 12; when the USB connector is used, the pin 32 is inserted into the socket to be powered on, then the turning convex part 42 is pulled upwards to turn the turning cover 4, the external connector can be inserted into the USB connector 31 to realize electric connection, when the USB connector is not needed to be used, the turning cover 4 is covered on the connectable port 12 again, and when the turning cover 4 is pressed towards the shell 1, the protrusion 51 on the lock catch 5 is embedded into the arc-shaped groove to realize locking. So, can play dustproof, waterproof effect through flip 4, and flip 4 locks on casing 1 through locking Assembly, when the charger was used for on-vehicle, even the vehicle jolts great at the in-process of traveling, flip 4 is also difficult automatic the opening.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. A USB charger comprising a housing (1), characterized in that: a base (2) is clamped at the bottom of the shell (1), a buckle (21) is arranged on the outer wall of the base (2), and a clamping hole (11) matched with the buckle (21) in a clamping manner is formed in the shell (1); a circuit board (3) is arranged in the shell (1), the circuit board (3) is provided with a USB connector (31) and a plug pin (32), a connector (12) corresponding to the USB connector (31) is arranged on the shell (1), and a jack (22) for the plug pin (32) to penetrate out is arranged on the base (2); articulated through articulated shaft (16) on casing (1) have flip (4), flip (4) lid is located connector (12), flip (4) with be provided with locking assembly between casing (1), locking assembly including set up in have elastic hasp (5) on casing (1) and set up in lockhole (41) of flip (4) inner wall, hasp (5) are including protruding (51), protruding (51) lateral wall sets up to the arcwall face, lockhole (41) seted up with the arc wall that the arcwall face corresponds works as flip (4) lock in when on casing (1), the arcwall face imbed to in the arc wall.

2. A USB charger as claimed in claim 1, wherein: the lock catch (5) is arranged on the side edge of the shell (1) opposite to the hinged shaft (16).

3. A USB charger as claimed in claim 1, wherein: the turnover cover (4) is provided with a turnover convex part (42), and the turnover convex part (42) is positioned at one end of the turnover cover (4) far away from the hinge shaft (16).

4. A USB charger as claimed in claim 1, wherein: convex edges (13) are arranged on the periphery of the connecting port (12).

5. A USB charger as claimed in claim 1, wherein: the side of circuit board (3) is provided with stopper (33), casing (1) inner wall is provided with a plurality of spacing strips (14), form spacing groove (15) between spacing strip (14), spacing groove (15) with the spacing cooperation of stopper (33).

6. The USB charger according to claim 5, wherein: the end part of the limiting strip (14) is provided with a guide inclined plane (6).

7. A USB charger as claimed in claim 1, wherein: the inner wall of the shell (1) is provided with a positioning strip (7), and the base (2) is provided with a positioning groove (23) matched with the positioning strip (7) in a positioning way.

8. A USB charger as claimed in claim 1, wherein: and one end of the base (2) positioned outside the shell (1) is provided with a pin protection block (8).