CN201171103Y - Power adapter - Google Patents

Abstract

The utility model discloses a power adapter, including base, plug device and an at least shell fragment. The plug device is pivoted on the base and comprises a fixing block, the fixing block is provided with an arc-shaped abutting surface, the fixing block is fixedly provided with a plug connector, and two ends of the plug connector protrude out of the fixing block to form a plug end and an abutting end. One end of the elastic sheet is fixed on the base, and the other end of the elastic sheet is provided with an arc-shaped abutting part; the abutting part of the elastic sheet abuts against the abutting surface of the holding block of the plug device; the abutting end of the plug connector can abut against or be separated from the abutting part. The power adapter can stabilize the plug device to be in a required position; and the acting force applied to the plug device in the rotating process is small, and the plug device is easy to rotate.

Description

Power Adapter

technical field

The utility model relates to a power adapter, in particular to a power adapter with a movable plug device.

Background technique

With the development of electronic technology, power adapters are widely used in the electronic field. The power adapter generally has a housing, a plug device, a printed circuit board, and an interface. The plug device is electrically connected to the printed circuit board, and the interface is used for inserting an electronic product, thereby achieving functions such as charging the electronic product.

For the convenience of portability, the plug device of the power adapter is mostly movable, that is, the plug device has a rotating shaft and a connector arranged side by side on the rotating shaft, and the connector is pivoted in the housing through the rotating shaft. out of the casing to be connected to a power socket; after use, retract the plug connector of the plug device. In order to ensure that the connector is always in a protruding state when in use and always in a retracted state when not in use, the power adapter is generally provided with a clamping piece in its housing to clamp the rotating shaft, so that the connector is stable at the set position. Location.

However, if the above-mentioned other parts of the power adapter have a large force on the plug device to stabilize the set position, when the plug device is unscrewed or retracted, it needs to apply a large operating force to the plug device, which is easy to cause damage to other parts. If the power adapter is damaged, it will also generate a lot of noise; if the other parts of the power adapter have a small force on the stability of the plug device at the set position, it is difficult to ensure that the plug device is stable at the set position.

Utility model content

The purpose of this utility model is to provide a power adapter whose plug device is easy to unscrew and retract and can be reliably stabilized at a set position in view of the defects of the above-mentioned prior art.

To achieve the above purpose, the power adapter of the present invention includes a base, a plug device and at least one elastic piece. The plug device is pivotally connected to the base, and the plug device includes a holding block. The holding block has an arc-shaped abutment surface. The holding block holds a plug-in piece, and both ends of the plug-in piece protrude from the holding block. A plug end and an abutment end are formed. One end of the shrapnel is held on the base, and the other end has an arc-shaped abutment portion; the abutment portion of the shrapnel abuts against the abutment surface of the holding block of the plug device; the abutment end of the plug can be connected with The abutting parts abut or separate.

As mentioned above, the power adapter of the utility model fixes one end of the shrapnel on the base, so that the shrapnel exerts an elastic force on the plug device, thereby reliably stabilizing the plug device at the set position; The abutting surface is arc-shaped, so that the interaction force between the holding block and the elastic piece is small during the rotation of the plug device, so that the plug device is easy to be unscrewed and retracted.

Description of drawings

In the accompanying drawings of the manual:

Fig. 1 is a three-dimensional exploded view of an embodiment of the power adapter of the present invention.

FIG. 2 is a perspective view of the base of the power adapter shown in FIG. 1 .

FIG. 3 is a three-dimensional assembled view of the power adapter shown in FIG. 1 with the base removed.

FIG. 4 is a three-dimensional assembled view of the power adapter shown in FIG. 1 .

5 is a cross-sectional view of the plug device of the power adapter shown in FIG. 1 when in use.

FIG. 6 is a cross-sectional view of the plug device of the power adapter shown in FIG. 1 when it is folded.

The reference numerals of each element in the figure are explained as follows:

Power Adapter 1 Dock 10

Base plate 11 Side panels 12

Containment chamber 13 Containment tank 14

Bottom wall 141 Side wall 142

Convex groove 15 first locking part 16

Positioning column 17 The first pivot joint 18

The first pivot slot 181 holding plate 19

Holder hole 191 Carrying frame 20

Base 21 Second locking part 22

Second Pivot Part 23 Second Pivot Slot 231

Holder 24 Holder block 241

The first positioning hole 25 bolt 30

Plug device 40 Shaft 41

Retaining block 42 Abutting surface 421

Connector 43 Socket end 431

Abutment 432 Shrapnel 50

Holding part 51 Second positioning hole 511

contact part 52 raised 521

Contact part 53 printed circuit board 60

jack 61 holding slot 62

Insert 70 Connection part 71

Plug pin 72 cover plate 80

Card Holder 81

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present utility model in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

Please refer to FIG. 1 , which shows that the power adapter 1 of the present invention has a base 10 , a carrier frame 20 , a bolt 30 , a plug device 40 , several shrapnels 50 , a printed circuit board 60 , several inserting pieces 70 and a cover plate 80 .

Referring to FIG. 1 and FIG. 2 , the base 10 has a base plate 11 and a side plate 12 extending from an edge of the base plate 11 perpendicular to the base plate 11 to form a receiving cavity 13 . One end of the base plate 11 is recessed to form a receiving groove 14 , a bottom wall 141 , a side wall 142 and a protruding groove 15 penetrating through the bottom wall 141 . A cylindrical first locking portion 16 and a plurality of positioning posts 17 protrude from a side of the bottom wall 141 facing away from the receiving groove 14 . The base plate 11 has a first pivot joint 18 extending perpendicular to the base plate 11 into the receiving chamber 13 on both sides of the protruding groove 15 , and a semicircular first pivot joint groove 181 is defined on the first pivot joint 18 . A holding plate 19 perpendicular to the first pivoting portion 18 extends from the base 10 adjacent to the first pivoting portion 18 , and a holding hole 191 is defined on the holding plate 19 .

Please refer to FIG. 1 , the carrier frame 20 has a base portion 21 , and a cylindrical second locking portion 22 extends from one end of the base portion 21 perpendicular to the base portion 21 . The two sides of the base portion 21 adjacent to the second locking portion 22 extend perpendicular to the base portion 21 with a second pivot portion 23 , the extension direction of the second pivot portion 23 is opposite to the extension direction of the second locking portion 22 , A semicircular second pivot groove 231 is defined on the second pivot portion 23 . The opposite end of the base 21 extending from the end of the second locking portion 22 extends a clamping portion 24 , the extending direction of the clamping portion 24 is the same as the extending direction of the second pivot portion 23 , and the end of the clamping portion 24 extends with a Hold block 241 . The base portion 21 defines a first positioning hole 25 on both sides of the second locking portion 22 .

Referring to FIGS. 1 to 3 , the plug device 40 has a rotating shaft 41 , and two holding blocks 42 are disposed on the rotating shaft 41 at a distance therefrom. The holding blocks 42 form an arc-shaped abutting surface 421 . An inserting piece 43 is fixed on the holding block 42 , and both ends of the inserting piece 43 protrude from the holding block 42 to form an inserting end 431 and an abutting end 432 .

Referring to FIG. 1 again, the elastic piece 50 has a holding portion 51 , and the holding portion 51 defines a plurality of second positioning holes 511 corresponding to the positioning posts 17 of the base 10 . One end of the holding portion 51 extends downward perpendicular to the holding portion 51 and a contact portion 52 is formed on the contact portion 52. A protrusion 521 is formed on the contact portion 52; Section 53.

1 to 4, the assembly process of the base 10, the carrier frame 20, the bolt 30, the plug device 40 and the elastic piece 50 is as follows: the elastic piece 50 is placed on the carrier frame 20, wherein the elastic piece 50 is adjacent to the second contact portion 53. The positioning hole 511 is aligned with the first positioning hole 25 of the carrier 20; the rotating shaft 41 of the plug device 40 is pivotally connected to the second pivot groove 231 of the carrier 20, and the abutting surface 221 of the abutting block 22 is in contact with the elastic piece 50 parts 53; then the carrier 20, the plug device 40 and the elastic piece 50 are assembled on the base 10, wherein the clamping block 241 of the carrier 20 is clamped in the clamping hole 191 of the base 10; the base 10 The positioning post 17 adjacent to the protruding groove 15 is held in the second positioning hole 511 of the elastic piece 50 and the first positioning hole 25 of the carrier 20, and the other positioning posts 17 are held in the second positioning hole 511 of the elastic piece 50; the first positioning hole 511 of the base 10 A locking portion 16 is sheathed in the second locking portion 22 of the carrier 20, and the bolt 30 is inserted in the first locking portion 16 and abuts against the second locking portion 22 to hold the base 10 and the carrier 20; the plug device 40 is pivotally connected to the pivot hole formed by the first pivot groove 181 of the base 10 and the second pivot groove 231 of the carrier 20 through the rotating shaft 41, and the plug 23 The insertion end 231 protrudes from the protruding groove 15 of the base 10 .

Referring to FIG. 1 , FIG. 3 and FIG. 4 , one end of the printed circuit board 60 is provided with a plurality of insertion holes 61 , and a side edge of the printed circuit board 60 is provided with a plurality of slots 62 inwardly. The insertion piece 70 has a substantially U-shaped connecting portion 71 , and the distance between two sides of the connecting portion 71 gradually decreases. Both ends of the connecting portion 71 are bent and extend with a socket pin 72 , and the socket pin 72 is correspondingly inserted into the socket 61 of the printed circuit board 60 . The cover plate 80 is inwardly formed with a number of cards 81 corresponding to the slots 62 of the printed circuit board 60 , the printed circuit board 60 is held on the cover plate 80 , and the cards 81 are held in the slots of the printed circuit board 60 . card slot 62. The combination of the printed circuit board 60, the insert piece 70 and the cover plate 80 is covered on the base 10, the contact part 52 of the elastic piece 50 is inserted into the connection part 71 of the insert piece 70, and the protrusion 521 of the contact part 52 abuts against On the connecting portion 71 , an electrical connection between the elastic piece 50 and the printed circuit board 60 is achieved.

Please refer to Fig. 5, when in use, the plug device 40 is in the first position, at this time, the insertion end 431 of the plug connector 43 protrudes out of the base 10, and the plug connector 43 is perpendicular to the base plate 11; The abutting end 432 abuts on the abutting portion 53 of the elastic piece 50, and the abutting portion 53 of the elastic piece 50 abuts on the holding block 42 of the plug device 40, and the elastic force of the elastic piece 50 makes the plug device 40 stably in the first position. .

Please refer to FIG. 6, when the power adapter 1 is used, the plug device 40 is in the second position. At this time, the insertion end 431 of the plug device 40 is accommodated in the receiving groove 14 of the base 10, and the abutting end 432 is separated from the elastic piece. The abutting portion 53 of 50 is still in abutment against the holding block 42 of the plug device 40 , and the elastic force of the elastic piece 50 makes the plug device 40 stably in the second position. During the rotation of the plug device 40 from the first position to the second position, since the contact surface 421 of the holding block 42 of the plug device 40 is arc-shaped, the interaction force between the elastic piece 50 and the holding block 42 is small and easy to rotate. .

In summary, the utility model power adapter 1 fixes one end of the elastic piece 50 on the base 10 and the carrier frame 20, so that the elastic piece 50 exerts an elastic force on the plug device 40, thereby reliably stabilizing the plug device 40 at the set position. and because the abutment surface 421 of the holding block 42 of the plug device 40 is arc-shaped, the interaction force between the holding block 42 and the elastic piece 50 of the plug device 40 is small during the rotation process, thereby facilitating the insertion of the plug device 40 Swivel out and retract.

Claims (6)

1. A power adapter, comprising a base and a plug device; the plug device is pivotally connected to the base, and the plug device includes a holding block; it is characterized in that: the holding block has an arc-shaped contact surface , the holding block is fixed with a plug-in piece, and both ends of the plug-in piece protrude from the holding block to form a plug-in end and an abutment end; the power adapter also includes at least one shrapnel, and one end of the shrapnel is held on the base The other end has an arc-shaped abutment portion; the abutment portion of the elastic piece abuts against the abutment surface of the holding block of the plug device; the abutment end of the plug can abut against the abutment portion or separate. 2. The power adapter according to claim 1, wherein a plurality of positioning posts and a plurality of first pivot joints arranged side by side are formed on the base, and a first pivot joint is provided on the first pivot joint. Pivot groove; a carrier is fixed on the base; the carrier has a second pivot portion, and a second pivot groove is opened on the second pivot portion; the first pivot groove and the second pivot The connecting groove cooperates to form a pivoting hole, the plug device includes a rotating shaft, the holding block is arranged at both ends of the rotating shaft, and the plug device is pivotally connected in the pivoting hole through the rotating shaft; Several positioning holes correspond to the positioning posts of the base, and the positioning posts are clamped in the positioning holes. 3. The power adapter according to claim 2, characterized in that: a receiving groove and a protruding groove communicating with the accommodating groove are formed on the base; the insertion end of the plug device passes through the protruding groove protruding from the base; the receiving tank has a bottom wall, and the bottom wall protrudes from the side facing away from the receiving tank to have a first locking part and the positioning column; both sides of the protruding groove extend the The first pivotal part; the bearing frame has a second locking part, the second locking part is sleeved on the first locking part of the base, a bolt is inserted in the first locking part and abuts against the second locking part Two locking parts; the power adapter further has a cover plate, which is closed on the base. 4. The power adapter according to claim 3, characterized in that: the elastic piece is electrically connected to a printed circuit board through an insertion piece, a protrusion protrudes from the contact portion of the elastic piece, and the printed circuit board is placed In the cover body, several sockets are opened on the printed circuit board; the insert has a connecting part, and both ends of the connecting part are bent and extended with a plug pin, and the plug pin is inserted into the socket, The contact portion of the elastic piece is inserted into the connection portion of the insertion piece, and the protrusion abuts on the connection portion. 5. The power adapter according to claim 4, wherein the carrier has a base, one end of the base is extended to form the second locking portion, the base is provided with two first positioning holes, the two bases are The side extends to form the second pivot joint; the positioning column adjacent to the protruding groove of the base is engaged in the second positioning hole adjacent to the abutting portion of the elastic piece and the first positioning hole of the carrier respectively. 6. The power adapter according to claim 5, wherein a holding plate perpendicular to the first pivoting portion extends from the base adjacent to the first pivoting portion, and a holding plate is provided on the holding plate. hole; the base of the bearing frame is extended with a clamping portion at the opposite end of one end of the second locking portion, and a clamping block protrudes from the end of the clamping portion, and the clamping block is clamped on the clamping plate of the holding plate in the holding hole.

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