CN211265809U - Power adapter - Google Patents

Abstract

The utility model relates to a power adapter, which comprises a shell, a PCB component arranged in the shell and a plug component arranged in the shell and penetrating out from a first end of the shell; the PCB assembly includes a circuit board disposed in the housing; the plug assembly comprises two pins which penetrate out of the first end of the shell and are arranged side by side and connecting pieces which are correspondingly connected with the pins; the connecting sheet is provided with a cartridge clip which is used for clamping and is electrically connected with the circuit board. The power adapter can clamp the connecting piece of the plug assembly and is electrically connected with the circuit board of the PCB assembly in the shell through the elastic clamp, so that the power adapter can be stably connected with the circuit board, the contact stability can be improved, and the service life is prolonged.

Description

Power adapter

Technical Field

The utility model relates to a power field, more specifically say, relate to a power adapter.

Background

In the related art power adapter, the circuit board and the plug assembly are usually contacted through contacts, and when the power adapter is in a shaking state, the plug assembly and the circuit board are easily disconnected. Therefore, the power adapter in the related art has the defects of loose contact and short service life.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in that, a modified power adapter is provided.

The utility model provides a technical scheme that its technical problem adopted is: constructing a power adapter comprising a housing, a PCB assembly disposed in the housing, and a plug assembly disposed in the housing and protruding out of a first end of the housing;

the PCB assembly includes a circuit board disposed in the housing;

the plug assembly comprises two pins which penetrate out of the first end of the shell and are arranged side by side and connecting pieces which are correspondingly connected with the pins;

the connecting sheet is provided with a cartridge clip which is used for clamping and is electrically connected with the circuit board.

Preferably, the cartridge clip is integrally formed with the connecting piece.

Preferably, the clip comprises a first elastic sheet and a second elastic sheet matched with the first elastic sheet.

Preferably, the power adapter further comprises a base disposed in the housing for mounting the PCB assembly;

the base comprises a bottom plate and a side plate which is arranged on the bottom plate and is positioned at the second end of the shell.

Preferably, the side plate is provided with a limiting boss which extends towards the direction of the cartridge clip so as to limit the circuit board.

Preferably, the power adapter further comprises a shield case covering the PCB assembly;

the shielding cover is detachably connected with the base.

Preferably, a buckle structure is arranged between the shielding cover and the bottom plate;

the buckle structure comprises buckles on two side walls of the shielding cover which are arranged oppositely and buckle holes which are arranged on two sides of the bottom plate and are arranged correspondingly to the buckles.

Preferably, the second end of the housing is provided with an interface for connection with the circuit board.

Preferably, the housing comprises a front housing and a rear housing detachably connected to the front housing.

Preferably, the front housing and the rear housing are both hollow structures having an opening;

and a flange for sleeving the rear shell is arranged at the opening of the front shell.

Implement the utility model discloses a power adapter has following beneficial effect: the power adapter can clamp the connecting piece of the plug assembly and is electrically connected with the circuit board of the PCB assembly in the shell through the elastic clamp, so that the power adapter can be stably connected with the circuit board, the contact stability can be improved, and the service life is prolonged.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a schematic perspective view of a power adapter according to some embodiments of the present invention;

FIG. 2 is an exploded view of a portion of the power adapter of FIG. 1;

FIG. 3 is a schematic diagram of the internal structure of the power adapter shown in FIG. 2;

FIG. 4 is a schematic diagram of the mating of the base of the power adapter of FIG. 3 with a PCB assembly;

FIG. 5 is a schematic diagram of the circuit board of the power adapter of FIG. 2 mated with the plug assembly;

fig. 6 is a schematic structural view of a shield case of the power adapter shown in fig. 2.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The power adapter is a 65W PD power adapter which can be connected to an electronic device and can be used to plug into a power socket to access power to the electronic device to charge the electronic device. The power adapter has the advantages of good contact, long service life, small appearance and convenience in carrying.

Further, as shown in fig. 1 and 2, in some embodiments, the power adapter may include a housing 10, a PCB assembly 20, and a plug assembly 30. The housing 10 can receive the PCB assembly 20 and mount the header assembly 30. The PCB assembly 20 may be disposed in the housing 10, which may be in conductive connection with the plug assembly 30. The plug assembly 30 is mountable at a first end of the housing 10 and is adapted to mate with a receptacle for receiving electrical power.

Further, in some embodiments, the housing 10 may be made of an insulating, flame retardant material. Specifically, in some embodiments, the housing 10 may be made of plastic. The housing 10 may include a front case 11 and a rear case 12. This front casing 11 and this back casing 12 can dismantle the connection, and then can be convenient for change front casing 11 or back casing 12, if the user wants to change front casing 11 or the back casing 12 of other colours, only need with front casing 11 or back casing 12 dismantle the change can to can satisfy the demand that the colour exchanges. In some embodiments, the front case 11 may have a rectangular parallelepiped shape, and the front case 11 has a hollow structure with an opening. It is understood that in other embodiments, the front case 1 may not be limited to a rectangular parallelepiped shape. An end of the front case 11 remote from the opening forms a first end of the housing 10. A through hole is provided on a side wall of the front case 11 opposite to the opening. The vias may facilitate the egress of the plug assembly 30. A flange 111 is provided at an opening of the front case 11. The flange 111 may be provided to protrude in a longitudinal direction of the front case 11, and may extend along an outer circumference of the opening. The outer diameter of the flange 111 is smaller than the outer diameter of the front case 11. Further, in some embodiments, the rear housing 12 may have a rectangular parallelepiped shape, which is a hollow structure with an opening, and can be sleeved on the flange 111 to be detachably connected with the front housing 11. It is understood that in other embodiments, the rear housing 12 may not be limited to a rectangular parallelepiped shape. The end of the rear shell 12 away from the opening forms a second end of the housing 10, and a through hole 121 may be disposed on a side wall of the rear shell 12 opposite to the opening, and the through hole 121 may be used for the interface 22 to be installed.

Further, as shown in fig. 2-5, in some embodiments, the PCB assembly 20 may include a circuit board 21 and a plurality of components disposed on the circuit board 21. The circuit board 21 may have a rectangular parallelepiped shape, and components may be mounted thereon. It is understood that the circuit board 21 may not be limited to a rectangular parallelepiped shape in other embodiments. In some embodiments, the PCB assembly 20 may also include an interface 22. The interface 22 may be disposed on the circuit board 21 and connected to the circuit board 21, and may be located at the second end of the housing 10 and penetrate through the through hole of the rear housing 12, so as to be connected to an electronic device. The interface 22 may be a USB interface. Of course, it will be appreciated that in other embodiments, it may also be a Type-C interface.

Further, in some embodiments, the plug assembly 30 may include two pins 31 and a tab 32. The two pins 31 are arranged side by side and spaced apart from each other and independently extend through the first end of the housing 10, and in particular extend through the through holes of the front housing 11, which are adapted to be plugged into a socket. The PIN 31 may be a conductive metal piece, in particular a PIN. The connecting pieces 32 may be two, which are connected to the pins 31 in a one-to-one correspondence, and the two connecting pieces 32 are independent from each other, which are used for electrically connecting with the circuit board 21.

Further, in some embodiments, the connecting pad 32 may be a conductive metal sheet, and in particular, in some embodiments, the connecting pad 32 may be a copper sheet. The tab 32 may include a socket 321. The engaging portion 321 is disposed on the pin 31 and electrically connected to the pin 31. The connecting piece 32 may also be provided with a cartridge clip 322. The clip 322 can be integrally formed with the connecting tab 32. Specifically, in some embodiments, it may be integrally formed with the socket 321 by casting. The clip 322 can be used to hold the circuit board 21, so as to fix the circuit board 21 and electrically connect with the circuit board 21. In some embodiments, the clip 322 may include a first resilient tab 3221 and a second resilient tab 3222. The first resilient piece 3221 and the second resilient piece 3222 are connected to each other at one end, and may form a butterfly-shaped opening and closing structure. The first elastic piece 3221 and the second elastic piece 3222 may cooperate with each other to clamp the circuit board and contact with the circuit board in a differential double-card point manner, which may not only facilitate the fixing of the circuit board, but also improve the stability of the contact, and may further improve the service life of the power adapter.

Further, in some embodiments, the power adapter may also include a base 40. The base 40 may be disposed in the housing 10 and may be used for mounting the PCB assembly 20 and the header assembly 30. In some embodiments, the base 40 may include a bottom panel 41 and side panels 42. The bottom plate 41 may have an arc-shaped cross section, and both sides thereof may be folded to form flanges. The side plate 42 may be disposed on the bottom plate 41 at one end of the bottom plate 41, and at a second end of the housing 10, and may be disposed perpendicular to the bottom plate 41. In some embodiments, the side plate 42 may be provided with a limit projection 421. The limit protrusion 421 may extend toward the clip 322, and may be integrally formed with the side plate 42. Specifically, in some embodiments, it may be integrally formed with the side plate 42 by casting. The limiting boss 421 can be used to limit the position of the circuit board 21, which can prevent the circuit board 21 from coming off.

Further, as shown in fig. 3 and 6, in some embodiments, the power adapter may further include a shield 50. The shielding cover 50 may cover the PCB assembly 20, may be used to shield interference signals, and may facilitate heat dissipation of the PCB assembly 20, thereby improving heat dissipation. Further, in some embodiments, the shield can be made of copper. In some embodiments, the shield 50 may be removably coupled to the base 40, thereby facilitating removal. The shielding cage 50 may be arch-shaped and may include a top wall 51 and side walls 52 disposed on opposite sides of the top wall 51.

Further, in some embodiments, a snap-fit structure may be provided between the shield 50 and the base plate 41. The shielding cover 50 can be detachably connected to the bottom plate 41 by the snap structure. The snap structure may include a snap 521 and a snap hole 411. The latch 521 may be disposed on two opposite sidewalls 52 of the shielding case 50, specifically, a connecting portion 522 may be disposed on a bottom side of the sidewalls 52, the connecting portion 522 may be a sheet, and the latch 521 may be disposed on the connecting portion 522. The fastening hole 411 may be disposed on two sides of the bottom plate 41, and specifically, it may be located on a flange of the bottom plate 41, which is disposed corresponding to the fastener 521, and can be fastened by the fastener 521.

Further, as shown in FIG. 2, in some embodiments, the power adapter may further include a protective sheath 60. The protective cover 60 can be disposed on an end of the PCB assembly 20 near the housing 10, and can be used for protecting the PCB assembly 20.

It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (10)

1. A power adapter, comprising a housing (10), a PCB assembly (20) disposed in the housing (10), and a plug assembly (30) disposed in the housing (10) and protruding from a first end of the housing (10);

the PCB assembly (20) comprises a circuit board (21) disposed in the housing (10);

the plug assembly (30) comprises two pins (31) which penetrate out of the first end of the shell (10) and are arranged side by side, and connecting pieces (32) which are correspondingly connected with the pins (31);

the connecting sheet (32) is provided with a cartridge clip (322) which is used for clamping and is electrically connected with the circuit board (21).

2. The power adapter as recited in claim 1, wherein the clip (322) is integrally formed with the connecting tab (32).

3. The power adapter as claimed in claim 1, wherein the clip (322) comprises a first resilient piece (3221) and a second resilient piece (3222) engaged with the first resilient piece (3221).

4. The power adapter as claimed in claim 1, further comprising a base (40) provided in the housing (10) for mounting the PCB assembly (20);

the base (40) includes a bottom plate (41), and a side plate (42) disposed on the bottom plate (41) and located at a second end of the housing (10).

5. The power adapter as claimed in claim 4, wherein the side plate (42) is provided with a limit boss (421) extending towards the direction of the cartridge clip (322) to limit the circuit board (21).

6. The power adapter as claimed in claim 4, further comprising a shield (50) mounted on the PCB assembly (20);

the shielding cover (50) is detachably connected with the base (40).

7. The power adapter as claimed in claim 6, characterized in that a snap-fit structure is provided between the shield (50) and the base plate (41);

the buckling structure comprises buckles (521) on two side walls (52) of the shielding cover (50) which are arranged oppositely, and buckling holes (411) which are arranged on two sides of the bottom plate (41) and are arranged corresponding to the buckles (521).

8. The power adapter as claimed in claim 1, characterized in that the second end of the housing (10) is provided with an interface (22) for connection with the circuit board (21).

9. The power adapter as claimed in claim 1, wherein the housing (10) comprises a front housing (11) and a rear housing (12) detachably connected to the front housing (11).

10. The power adapter as claimed in claim 9, wherein the front case (11) and the rear case (12) are each a hollow structure having an opening;

and a flange (111) for sleeving the rear shell (12) is arranged at the opening of the front shell (11).

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