CN215869914U

CN215869914U - Contact piece device applied to power adapter

Info

Publication number: CN215869914U
Application number: CN202122377425.2U
Authority: CN
Inventors: 胡磊; 周福龙; 赵近莲; 崔吉华
Original assignee: Dongguan Double Electronics Co ltd
Current assignee: Dongguan Double Electronics Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-02-18
Anticipated expiration: 2031-09-29

Abstract

The utility model relates to the technical field of power adapter processing, and discloses a contact piece device applied to a power adapter, which comprises a shell, wherein pins are arranged in the shell, a printed circuit board is arranged in the shell, the pins penetrate through the shell and are connected with the printed circuit board, the inner surface of the shell is provided with positioning grooves, the extending direction of the positioning grooves is vertical to the extending direction of the pins, the positioning grooves are symmetrically arranged, the positioning grooves are provided with limiting steps, the extending direction of the pins is vertical to the plate surface of the printed circuit board, the pins and the shell are integrally formed, the pins, the shell, a metal elastic sheet and the printed circuit board are arranged, the conduction between the pins and the printed circuit board is realized through the metal sheet, the traditional bottom single-side contact connection mode is replaced by a clip type metal sheet structure, the structure is simple and stable, the assembly is quick and convenient, and the production efficiency is improved, and effectively prevent that unilateral contact structure from long-time contact from arousing printed circuit board fatigue deformation problem.

Description

Contact piece device applied to power adapter

Technical Field

The utility model relates to the technical field of power adapter processing, in particular to a contact piece device applied to a power adapter.

Background

The power adapter is connected with an external power supply and is power supply conversion equipment of the electronic and electric equipment. A power adapter typically includes a housing, pins, and a printed circuit board, wherein the pins and the printed circuit board need to be in electrical communication. In the existing power supply adaptation, the pins and the printed circuit board are conducted in a welding mode and a spring plate contact mode, but the problems that the production efficiency of the welding mode is slow, the welding is difficult, the single-side spring plate contact mode is not reliable enough and the like are solved.

Therefore, how to provide a power adapter capable of being quickly installed and securely contacted is a technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a contact device for a power adapter, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the contact piece device applied to the power adapter comprises a shell, wherein pins are arranged in the shell, a printed circuit board is arranged in the shell, the pins penetrate through the shell, and the shell is connected with the printed circuit board.

Preferably, the inner surface of the shell is provided with a positioning groove, and the extending direction of the positioning groove is perpendicular to the extending direction of the pins.

Preferably, the constant head tank symmetry sets up, is provided with spacing step on the constant head tank, so sets up, and it is convenient to the printed circuit board installation fastening.

Preferably, the extending direction of the pins is perpendicular to the board surface of the printed circuit board, and the pins and the shell are integrally formed, so that the reliability of the pins is improved.

Preferably, the metal elastic sheet is connected with the pin clamping type, the positioning groove is integrally formed with the shell, and the printed circuit board is connected with the positioning groove.

Preferably, the shell is connected with the fixing block, the fixing block is connected with the spring, the spring is connected with the second sliding rod, and the second sliding rod is connected with the clamping block, so that the second sliding rod can drive the clamping block to be clamped into the printed circuit board.

Preferably, the second sliding rod is connected with the fixed block, the clamping block is connected with the printed circuit board, the second sliding rod is connected with the first sliding rod, the first sliding rod is connected with the shell, and the first sliding rod is connected with the fixed block, so that the first sliding rod can drive the second sliding rod to move, and the clamping block is moved out of the printed circuit board.

The utility model provides a contact piece device applied to a power adapter. The method has the following beneficial effects:

(1) the printed circuit board positioning device is provided with the pins, the shell, the metal elastic sheet, the printed circuit board and the positioning groove, so that the structure is simple and stable, the assembly is quick and convenient, the production efficiency is improved, and the problem of fatigue deformation of the printed circuit board caused by long-time contact of a unilateral contact structure is effectively solved.

(2) According to the utility model, by arranging the first sliding rod, the second sliding rod, the fixing block, the spring and the clamping block, when the printed circuit board needs to be disassembled, the clamping block can be driven to move out of the fixing groove by pushing the first sliding rod, so that the purpose of conveniently fixing and unlocking the printed circuit board is achieved.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a view showing a structure of a positioning groove according to the present invention;

fig. 4 is a structural view of the spring of the present invention.

In the figure: the device comprises a pin 1, a shell 2, a metal elastic sheet 3, a printed circuit board 4, a positioning groove 5, a sliding rod I6, a sliding rod II 7, a fixing block 8, a spring 9 and a clamping block 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 4, the present invention provides a technical solution: a metal sheet contact structure of a positive insertion adapter comprises a shell 2, wherein a pin 1 and a printed circuit board 4 arranged inside the shell 2 are fixedly arranged on a bottom plate of the shell 2, a positioning groove 5 is fixedly arranged on the inner side wall of the shell 2, the extending direction of the positioning groove 5 is perpendicular to the extending direction of the pin 1, one end of the pin 1 is communicated with a metal sheet 3, a metal elastic sheet 3 is welded and is in contact conduction with a contact on the printed circuit board 4, the positioning grooves 5 are symmetrically arranged, and a limiting step for supporting the printed circuit board 4 is arranged on the positioning groove 5, so that the printed circuit board 4 can be conveniently and quickly mounted and fastened; the extending direction of the pins 1 is vertical to the board surface of the printed circuit board 4, and the pins 1 and the shell 2 are integrally formed, so that the reliability of the pins 1 is improved; the metal elastic sheet 3 is connected with the pins 1 in a clamping and buckling manner, and the positioning groove 5 is integrally formed with the shell 1, so that the connection firmness of the metal elastic sheet 3 and the pins 1 is improved; the side edge of the printed circuit board 4 is arranged in a positioning groove 5 on the shell 2, so that the printed circuit board 4 is convenient to be inserted into the shell 2, the pin 1, the shell 2, the metal elastic sheet 3, the printed circuit board 4 and the positioning groove 5 are arranged, the pin 1 and the shell 2 are injected together, the positioning groove 5 and a limiting step are formed on the shell 2, one end of the metal elastic sheet 3 is connected with the pin 1 in a buckling manner, the printed circuit board 4 is inserted into the shell 2, so that the positioning groove 5 on the shell 2 fixes and positions the printed circuit board 4, the metal elastic sheet 3 is welded and is contacted and conducted with a contact on the printed circuit board 4, the printed circuit board 4 is arranged in the shell 2 in an inserting manner, the conduction between the pin 1 and the printed circuit board 4 is realized through the metal elastic sheet 3, the traditional bottom single-side contact connection manner is replaced by a clamping type metal sheet structure, simple structure is stable, and the equipment is convenient fast, improves production efficiency to effectively prevent that unilateral contact structure long-time contact from arousing printed circuit board 4 fatigue deformation problem.

The bottom of the inner wall of the shell 2 is fixedly connected with the outer wall of a fixed block 8, the inner wall of the fixed block 8 is fixedly connected with one end of a spring 9, the other end of the spring 9 is fixedly connected with the outer wall of a sliding rod II 7, the outer wall of the sliding rod II 7 is fixedly connected with the outer wall of a clamping block 10, the outer wall of the sliding rod II 7 is slidably connected with the inner wall of the fixed block 8, the outer wall of the clamping block 10 is slidably connected with the inner wall of the printed circuit board 4, the outer wall of the sliding rod II 7 is fixedly connected with one end of a sliding rod I6, the outer wall of the sliding rod I6 is slidably connected with the inner wall of the shell 2, the outer wall of the sliding rod I6 is slidably connected with the inner wall of the fixed block 8, the sliding rod I6, the sliding rod II 7, the fixed block 8, the spring 9 provides elastic force for the sliding rod II 7 to the outer part of the shell 2, the sliding rod II 7 is limited by the fixed block 8, and the shell 2 provides supporting force for the fixed block 8, the fixed block 8 provides the holding power for spring 9, and two 7 slide bars drive fixture block 10 cards and go into the fixed slot that printed circuit board 4 bottom was seted up, when needs were dismantled, through promoting slide bar 6, can drive fixture block 10 and shift out from the fixed slot, reached the purpose that conveniently fixes and unblock printed circuit board 4.

When in use, the pin 1 and the shell 2 are injected together by arranging the pin 1, the shell 2, the metal elastic sheet 3, the printed circuit board 4 and the positioning groove 5, the positioning groove 5 and the limiting step are formed on the shell 2, one end of the metal elastic sheet 3 is connected with the pin 1 in a buckling way, the printed circuit board 4 is inserted into the shell 2, the positioning groove 5 on the shell 2 is used for fixing and positioning the printed circuit board 4, the metal elastic sheet 3 is welded and is in contact conduction with a contact on the printed circuit board 4, the printed circuit board 4 is arranged in the shell 2 in the inserting way, the conduction between the pin 1 and the printed circuit board 4 is realized by the metal elastic sheet 3, the traditional bottom unilateral contact connection way is replaced by a clamping buckle type metal sheet structure, the structure is simple and stable, the assembly is quick and convenient, the production efficiency is improved, and the problem of fatigue deformation of the printed circuit board 4 caused by long-time contact of the unilateral contact structure is effectively prevented, through setting up slide bar one 6, slide bar two 7, the fixed block 8, spring 9, fixture block 10, provide to the outside elasticity of shell 2 for slide bar two 7 through spring 9, it is spacing to slide bar two 7 through fixed block 8, provide holding power for fixed block 8 through shell 2, fixed block 8 provides holding power for spring 9, slide bar two 7 drive fixture block 10 card and go into the fixed slot that printed circuit board 4 bottom was seted up, when needs are dismantled, through promoting slide bar one 6, can drive fixture block 10 and shift out from the fixed slot, the convenient mesh of fixing and unblock to printed circuit board 4 has been reached.

In conclusion, although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A contact pad device for a power adapter, comprising a housing (2), characterized in that: be provided with pin (1) in shell (2), be provided with printed circuit board (4) in shell (2), pin (1) runs through shell (2) and sets up, and shell (2) are connected with printed circuit board (4).

2. The contact device for a power adapter according to claim 1, wherein: constant head tank (5) have been seted up to the internal surface of shell (2), and the extending direction of constant head tank (5) is perpendicular with the extending direction of pin (1).

3. The contact device applied to the power adapter as claimed in claim 2, wherein: the positioning grooves (5) are symmetrically arranged, and the positioning grooves (5) are provided with limiting steps.

4. A contact device for a power adapter according to claim 3, wherein: the extending direction of the pins (1) is perpendicular to the board surface of the printed circuit board (4), and the pins (1) and the shell (2) are integrally formed.

5. The contact device applied to the power adapter as claimed in claim 4, wherein: the metal elastic sheet (3) is connected with the pin (1) in a clamping and buckling manner, the positioning groove (5) is integrally formed with the shell (2), and the printed circuit board (4) is connected with the positioning groove (5).

6. The contact device applied to the power adapter as claimed in claim 5, wherein: the shell (2) is connected with the fixing block (8), the fixing block (8) is connected with the spring (9), the spring (9) is connected with the second sliding rod (7), and the second sliding rod (7) is connected with the clamping block (10).

7. The contact device for a power adapter according to claim 6, wherein: the second sliding rod (7) is connected with the fixed block (8), the clamping block (10) is connected with the printed circuit board (4), the second sliding rod (7) is connected with the first sliding rod (6), the first sliding rod (6) is connected with the shell (2), and the first sliding rod (6) is connected with the fixed block (8).