CN203278287U - New power adapter - Google Patents

Abstract

The utility model discloses a novel power adapter, which comprises a cover body, a circuit board, a metal connecting piece and a connecting pin. The utility model has an ingenious and reasonable structural design. The connecting pin is riveted to the metal connecting piece, the connection is stable and the fit is tight. The metal connecting piece is bent and extends in the opposite direction to extend into an assembly recess. Under the elastic force of the metal connecting piece itself and the limiting effect of the assembly recess, the metal connecting piece can accurately and powerfully contact the metal jumper wire, and the situation that the normal combination or the current cannot be conducted due to the incorrect position during the fit is eliminated. The fit is close and stable, the conductivity is greatly improved, and the overall structure is simple and compact, which is convenient for assembly and has a good assembly effect, which is conducive to wide promotion and application.

Description

New power adapter

technical field

The utility model relates to the technical field of power adapters, in particular to a novel power adapter.

Background technique

Most mobile electrical products are equipped with power adapters and use rechargeable batteries as power supply. These electrical appliances include: tablet computers, mobile phones, notebook computers, video game consoles, power tools, printers, portable Listen, etc., the user can plug the power adapter into the power connector of the above-mentioned electrical appliance, that is, the internal rechargeable battery can be charged, and the user can enjoy the convenience of portable use after the power is full, and recharge until the power is exhausted. use.

At present, there are many kinds of power adapters on the market, each of which has different design concepts, and strives to meet the requirements of different users. Although these power adapters can generally meet the requirements of use, their internal structural design is unreasonable, it is difficult to position and connect the circuit board and the metal connecting piece used to connect the pins to the circuit board, and it is troublesome to assemble. When entering, it is very easy to appear that the position of the metal connection piece is not correct when entering, resulting in the inability to make a stable combination of the metal connection piece and the circuit board, and then the situation that the current cannot be conducted during the combination, so that the metal connection piece is easy to cause loosening or even falling off. to improve.

Utility model content

The purpose of this utility model is to provide a new type of power adapter with ingenious and reasonable structural design, convenient assembly, good assembly effect, and guaranteed product quality for the above-mentioned shortcomings of the existing charger.

In order to achieve the above purpose, the technical solution provided by the utility model is: a new type of power adapter, which includes a cover, a circuit board, metal connecting pieces and pins, and the inner wall of the cover is provided with a The upper part of the cover body has two fixing seats for fixing the metal connecting piece side by side, and the lower part of the cover body is provided with a boss for placing a circuit board, and the circuit board is arranged in the cover body. There is a threading card position in the middle of the lower bottom edge of the circuit board, and two assembly recesses are arranged side by side at intervals on the upper top edge, and a metal jumper is horizontally arranged at the bottom edge of the assembly recess, and one end of the metal connecting piece is arranged on the On the fixing seat, the other end extends toward the upper top edge of the cover, then bends and extends in reverse to extend into the assembly recess, and interferes with the metal jumper, and the pin is fixed on the On the cover body, and one end is inserted into the fixed seat and riveted with the metal connecting piece.

As an improvement of the utility model, the outline of the circuit board is a rectangle, and its four corners are provided with arc chamfers.

As an improvement of the utility model, the distance between the two assembling recesses is equal to the length of the threading clamping position.

As an improvement of the utility model, the bending angle of the metal connecting piece is 52-63 degrees.

As an improvement of the utility model, a recess is provided between the two fixing seats, and the recess is provided with transverse reinforcing ribs capable of pressing against the two fixing seats.

As an improvement of the utility model, the boss is provided with cooling holes.

As an improvement of the present utility model, the two sides of the catch member located on the upper top edge of the cover are symmetrically provided with a limiting member.

As an improvement of the utility model, one end of the metal connecting piece on the fixing seat is provided with a strip-shaped riveting groove matching the pin.

The beneficial effects of the utility model are: the structure design of the utility model is ingenious and reasonable; Under the action of its own elastic force and the limit of the assembly concave position, it can accurately and strongly resist the metal jumper, so as to prevent the failure of normal combination or the inability to conduct current due to improper position when mating, which is conducive to the fit and tight fit. Stable, greatly improved electrical conductivity, and the overall structure is simple and compact, easy to assemble, and the assembly effect is good, which is conducive to widespread popularization and application.

Below in conjunction with accompanying drawing and embodiment, the utility model is further described.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic structural view of the cover in Fig. 1 .

FIG. 3 is a schematic structural diagram of the metal connecting sheet in FIG. 1 .

FIG. 4 is a schematic side view of the structure of FIG. 3 .

FIG. 5 is a schematic structural diagram of the circuit board in FIG. 1 .

Detailed ways

Embodiment, referring to Fig. 1 to Fig. 5, a new type of power adapter provided by this embodiment includes a cover body 1, a circuit board 2, metal connecting pieces 3 and pins 4, and the inner wall of the cover body 1 is provided with There is a card holder 11 for fixing the circuit board 2, two fixing seats 12 for fixing the metal connecting piece 3 are arranged side by side in the upper part of the cover body 1, and the lower part of the cover body 1 is provided for placing the circuit board 2 The boss 13, the circuit board 2 is arranged in the cover body 1, a threading card position 21 is provided in the middle of the lower bottom of the circuit board 2, and two assembly recesses 22 are arranged side by side at intervals on the upper top edge of the circuit board 2, and in the assembly The bottom edge of the recess 22 is horizontally provided with a metal jumper 23. One end of the metal connecting piece 3 is set on the fixing seat 12, and the other end extends toward the upper top edge of the cover 1, and then bends and extends in the opposite direction. Extending into the assembly recess 22 and touching the metal jumper 23, the end of the metal connecting piece 3 on the fixing seat 12 is provided with a strip-shaped riveting groove matching the pin 4 31. The connecting pin 4 is fixed on the cover body 1 , and one end is inserted into the fixing seat 12 and riveted with the metal connecting piece 3 .

The distance between the two assembly recesses 22 is equal to the length of the threading clip 21 . The outline of the circuit board 2 is a rectangle, and its four corners are provided with arc chamfers. The structural design is ingenious, reasonable and easy to assemble.

The boss 13 is provided with cooling holes 14 . To speed up the air circulation and facilitate the heat dissipation of the circuit board 2 .

A recess 15 is provided between the two fixing seats 12 , and the recess 15 is provided with a transverse reinforcing rib 16 capable of pressing against the two fixing seats 12 . Strengthen the structural strength and improve stability.

In this embodiment, the bending angle a of the metal connection piece 3 is 55 degrees. In other embodiments, the bending angle a of the metal connecting piece 3 may be 52-63 degrees.

A limiting member 17 is arranged symmetrically on both sides of the catch member 11 located on the upper top edge of the cover body 1 . Effectively, the circuit board 2 can be stably fixed in the cover body 1 .

When in use, because the connecting pin 4 is riveted with the metal connecting piece 3, the connection is stable and the fit is tight. Under the action of the limit position, it can accurately and strongly resist the metal jumper 23 of the circuit board 2, so as to prevent the failure of normal combination or failure to conduct current due to improper position during cooperation, which is conducive to cooperation and close and stable. Greatly improved electrical conductivity.

According to the disclosure and teaching of the above specification, those skilled in the art to which the present utility model belongs can also change and modify the above embodiment. Therefore, the utility model is not limited to the specific implementation manners disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model. As described in the above embodiments of the present utility model, power adapters of other structures obtained by adopting the same or similar structure are within the protection scope of the present utility model.

Claims (8)

1. novel power adapter, it is characterized in that, it comprises lid, circuit board, metal connecting sheet and plug-in pin, the madial wall of described lid is provided with the Kato spare that is used for fixing circuit board, two holders that are used for fixing metal connecting sheet are arranged side by side at the top in this lid, lower position in described lid is provided with to place the boss of circuit board, described circuit board is arranged in lid, the centre position, bottom of this circuit board is provided with a threading screens, the upper topside interval has two assembling recess side by side, and be provided with metal jumper in the position, base of this assembling recess level, described metal connecting sheet one end is arranged on holder, the other end extends to the upper topside direction of described lid, then described assembling recess is oppositely stretched in bending, and conflict on described metal jumper, described plug-in pin is fixed on described lid, and an end inserts in described holder and rivets mutually with described metal connecting sheet.

2. novel power adapter according to claim 1, is characterized in that, the appearance profile of described board substrate is a rectangle, and its four corners are provided with circular arc chamfering.

3. novel power adapter according to claim 1, is characterized in that, the spacing distance between two assembling recess equals the length of described threading screens.

4. novel power adapter according to claim 1, the bending angle that it is characterized in that described metal connecting sheet are 52～63 degree.

5. novel power adapter according to claim 1, it is characterized in that: be provided with a recess between two holders, this recess is provided with the cross reinforcing that can be pressed on two holders.

6. novel power adapter according to claim 1, it is characterized in that: described boss is provided with louvre.

7. novel power adapter according to claim 1 is characterized in that: the two side position symmetries of Kato spare that are positioned at the upper topside position of described lid respectively are provided with a locating part.

8. novel power adapter according to claim 1 is characterized in that: the end that described metal connecting sheet is positioned on holder is provided with the strip riveted joint groove suitable with described plug-in pin.

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