CN201194274Y

CN201194274Y - Power adapter

Info

Publication number: CN201194274Y
Application number: CNU2008200454108U
Authority: CN
Inventors: 张勇; 廖勇军; 唐国强
Original assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Current assignee: Foxlink Electronics Dongguan Co Ltd; Cheng Uei Precision Industry Co Ltd
Priority date: 2008-03-21
Filing date: 2008-03-21
Publication date: 2009-02-11
Anticipated expiration: 2018-03-21

Abstract

The utility model discloses a power adapter, which comprises an outer casing including a first casing body and a second casing body locking to each other. The outer casing contains a printed circuit board, a pin and a connection apparatus; the pin is provided with an inserting end and a fixing end, the inserting end protrudes from the second casing body; and the connection apparatus comprises an inserting component and a fastening component fixed on the printed circuit board, wherein the fastening component is provided with a fastening part, the inserting component is provided with a contact part arranged in the fixing part and a holding part for holding the fixing end of the pin. The power adapter is convenient for assembling, and the pin is firmly connected to the printed circuit board via the connection apparatus.

Description

Power supply adaptor

Technical field

The utility model relates to a kind of power supply adaptor, relates in particular to the power supply adaptor that has jockey between a kind of pin and the circuit board.

Background technology

Traditional power supply adaptor comprises housing, pin, circuit board and connecting line.Wherein, housing is fastened mutually by first housing and second housing and forms.Pin is arranged on first housing, is used for connecting external power source.Circuit board and connecting line are contained in the housing.According to the function of power supply adaptor is different different electronic components is set on the circuit board, for example USB interface etc.Connecting line is used for connecting the conducting terminal and the circuit board of pin, thus, foreign current just can enter circuit board by conducting terminal and connecting line, and circuit board is converted into the rated voltage of electronic product with external power source, is transferred to electronic product by the USB interface that is arranged on the circuit board.

Conducting terminal and the circuit board of above-mentioned power supply adaptor in order to connect pin, connecting line must possess enough length, and makes that enough spaces must be set in the power supply adaptor holds connecting line, thereby is unfavorable for that it develops to miniaturization.

At the problems referred to above, the TaiWan, China patent announcement has disclosed a kind of power supply adaptor the 450th, No. 462, and this power supply adaptor comprises housing, circuit board, pin and jockey.Housing is fastened by first housing and second housing and forms, circuit board is contained in the housing, be fixed with jockey on the circuit board, and on circuit board, be provided with through hole near the jockey place, this through hole makes that in order to the conducting terminal that receives pin conducting terminal inserts jockey, and then foreign current transfers to jockey by conducting terminal and transfers to circuit board then, is the electronic product power supply by the interface that is arranged on the circuit board at last.

Yet, in the above-mentioned adapter, the conducting terminal of pin need pass and be arranged on the through hole on the circuit board and insert jockey, when assembling, be difficult to guarantee the conducting terminal aligned through holes and insert jockey, not only assembling is inconvenient, and conducting terminal can not pass through jockey connecting circuit plate securely.

The utility model content

The purpose of this utility model is the defective at above-mentioned prior art existence, and a kind of power supply adaptor easy to assembly is provided, and the pin of this power supply adaptor is by jockey connecting circuit plate securely.

For achieving the above object, power supply adaptor provided by the utility model includes shell, and shell has first housing and second housing of mutual fastening, contains printed circuit board (PCB), pin and jockey in the shell.Pin has an inserted terminal and a fixing end, and inserted terminal stretches outside described second housing, and jockey comprises plug connector and is fixed in holding part on the printed circuit board (PCB).Wherein, holding part has a holding section, and plug connector has a contact site and a clamping part, and contact site is arranged in the holding section of holding part, the fixing end of clamping part clamping pin.

As mentioned above, the utility model power supply adaptor is placed in the holding section that is fixed on the holding part on the printed circuit board (PCB) by the contact site of plug connector in the jockey, and the fixing end of the clamping part clamping pin of plug connector, not only make easy to assembly, and pin can connect printed circuit board (PCB) securely by jockey.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model power supply adaptor first embodiment.

Fig. 2 is fixed in the interior stereogram of second housing for two pins in the power supply adaptor shown in Figure 1.

Fig. 3 is the stereogram of holding part in the power supply adaptor shown in Figure 1.

Fig. 4 is the stereogram after the power supply adaptor assembling shown in Figure 1.

Fig. 5 is the cutaway view of power supply adaptor shown in Figure 1.

Fig. 6 is the three-dimensional exploded view of the utility model power supply adaptor second embodiment.

Fig. 7 is fixed in the interior stereogram of second housing for two pins in the power supply adaptor shown in Figure 6.

Fig. 8 is the stereogram after the power supply adaptor assembling shown in Figure 6.

Fig. 9 is the cutaway view of power supply adaptor shown in Figure 6.

Description of reference numerals among the figure is as follows:

Power supply adaptor

1,2 first housings 11

Base plate 111 first supporting brackets 112

First retaining sheet, 113

second housings

12,13

End face 121,131 sides 122,132

Lug boss 123,133 breach 124

Second retaining sheet, 125,135 second supporting brackets 126,136

Holding board 127 transplants a cutting 134

Support sector's 137 projections 138

Boss 139 printed circuit board (PCB)s 20

Bayonet socket 21 USB interface 22

Capacity cell 23 through holes 24

Holding part 30 holding sections 31

Base portion 311 holding pieces 312

Fixed part 32 plug connectors 40,60

Contact

site

41,61 main parts 411,611

Plug Division 612 connecting portions 412,613

Opening 4121 location holes 6111

Salient point 413,614

clamping parts

42,62

Pin 50,70 inserted

terminals

51,71

Fixing end 52,72 supports 53,73

Embodiment

By describing technology contents of the present invention, structural feature in detail, being realized purpose and effect, exemplify below that specific embodiment and conjunction with figs. are detailed gives explanation.

See also Fig. 1, it is first preferred embodiment of the utility model power supply adaptor.This power supply adaptor 1 comprises shell, is contained in printed circuit board (PCB) 20, jockey and pin 50 in this shell.

Shell comprises one first housing 11 and one second housing 12.First housing 11 has a roughly rectangular tabular base plate 111, and the periphery of base plate 111 extends upward respectively and forms four sidewalls.Be arranged at intervals with two roughly L-shaped first supporting brackets 112 and two on the base plate 111 respectively and be flat first retaining sheet 113, wherein, relative with the two respectively long sidewall of two first retaining sheets 113 links to each other.

Please in conjunction with consulting Fig. 2, second housing 12 has an end face 121, and the periphery of end face 121 bending has downwards respectively extended to form side 122.The inner surface of end face 121 raises up and forms a lug boss 123.A length is than offering corresponding second retaining sheet 125 in first retaining sheet, 113 positions that is respectively arranged with on the relatively long sides 122 of a breach 124, two with first housing 11 on the short side 122 in second housing 12.The top of second retaining sheet 125 is stepped, and its part that is connected with side 122 is the arcuation setting.The inner surface of end face 121 is provided with second supporting bracket 126 that is "T"-shaped platy structure in the edge near lug boss 123.The madial wall of lug boss 123 and second supporting bracket, 126 homonymies is provided with two holding boards 127, and these holding board 127 approximate mid-section stretch out and make its width be slightly larger than the width at both ends.

Printed circuit board (PCB) 20 is roughly rectangular, have interconnective two longer sides and two than minor face, the edge of two longer sides offers a bayonet socket 21 respectively, and the position of first retaining sheet 113 of the position that bayonet socket 21 is offered and first housing 11 and second retaining sheet 125 of second housing 12 is corresponding.When first housing 11 and second housing 12 are interlocked, printed circuit board (PCB) 20 is supported mutually by first supporting bracket 112 of first housing 11 and second supporting bracket 126 of second housing 12, and 21 of bayonet sockets are placed in respectively between first retaining sheet 113 and second retaining sheet 125.Printed circuit board (PCB) 20 is provided with a USB interface 22 and several capacity cells 23, and the height of these capacity cells 23 all is lower than the height of second housing 12.USB interface 22 is in communication with the outside by the breach 124 of second housing 12.Printed circuit board (PCB) 20 offers several through holes 24 on the end away from USB interface 22.

Jockey comprises holding part 30 and plug connector 40.Please in conjunction with consulting Fig. 3, holding part 30 is made by metal material, has a holding section 31, and holding section 31 is formed with a base portion 311, the two ends of base portion 311 are inclined upwardly respectively and extend to form two holding pieces 312, and the width between these two holding pieces, 312 tops is less than the length of base portion 31.The free end of two holding pieces 312 bending downwards respectively extends to form two fixed parts 32, and fixed part 32 is individually fixed on the through hole 24 of printed circuit board (PCB) 20.

Please continue and consult Fig. 1, plug connector 40 is made by metal material, has the contact site 41 of structure in the form of sheets.Contact site 41 has a main part 411 that vertically is provided with, and main part 411 upper ends are extended with a junction 412, and the width of this connecting portion 412 is greater than the width of main part 411.The top approximate mid-section of connecting portion 412 offers an opening 4121, and opening 4121 correspondences are placed on the holding board 127 of second housing 12.The end of main part 411 convexes with a salient point 413 to a side, and when main part 411 was inserted between two holding pieces 312 of holding part 30, holding piece 312 was subjected to salient point 413 extruding elastic deformations to take place and firm clamping main part 411.One side of connecting portion 412 is fixedly connected with the clamping part 42 of structure in the form of a ring.

Each pin 50 has an inserted terminal 51 and a fixing end 52, and inserted terminal 51 is the standard component of conform European standard.Two pins 50 are carrying by a support 53.Pin 50 is fixed in the lug boss 123 of second housing 12, and its inserted terminal 51 stretches outside the lug boss 123, and fixing end 52 is contained in the clamping part 42 of plug connector 40.

See also Fig. 6, it is second embodiment of the power supply adaptor of this creation.This power supply adaptor 2 has identical first housing 11, circuit board 20 and holding part 30 with above-mentioned power supply adaptor 1, does not repeat them here; Its difference is second housing 13, pin 70 and plug connector 60.

Please in conjunction with consulting Fig. 7, second housing 13 has end face 131, side 132 and lug boss 133.Be extended with one on the lug boss 133 and transplant a cutting 134.Be respectively arranged with second retaining sheet 135 and second supporting bracket 136 on the two relative side 132 of second housing 13, its effect is identical with the effect of second retaining sheet 125, second supporting bracket 126 among above-mentioned first embodiment.Be provided with two support sector 137 and two boss 139 that are the cross shape at the internal interval of lug boss 133.Wherein, the distance between two boss 139 is greater than the distance between two support sectors 137, and boss 139 is positioned at the below of support sector 137.The end face of support sector 137 upwards convexes with two projections 138 at interval.

Pin 70 comprises that an inserted terminal 71, a fixing end 72 and are carried on the support 73 between inserted terminal 71 and the fixing end 72.Inserted terminal 71 is for meeting the standard component of British Standard, and fixing end 72 is a cylinder that protrudes out downwards from the end of support 73.Two pins 70 are individually fixed on the boss 139 of second housing 13, and its fixing end 72 stretches outside the boss 139, and inserted terminal 71 stretches outside the lug boss 123.

Plug connector 60 is made by metal material, has the contact site 61 of structure in the form of sheets.Contact site 61 is horizontally disposed main part 611 by one and is constituted perpendicular to main part 611 two ends and the Plug Division 612 and the connecting portion 613 that extend towards the opposite both sides of direction respectively.The width of connecting portion 613 is greater than the width of main part 611.The projection 138 that the approximate mid-section place of main part 611 offers two location hole 6111, the second housings 13 is positioned respectively in these location holes 6111.The end of Plug Division 612 convexes with a salient point 614 to a side, and when Plug Division 612 was inserted between two holding pieces 312 of holding part 30, holding piece 312 was subjected to salient point 614 extruding elastic deformations to take place and firm clamping Plug Division 612.One side of connecting portion 613 is fixedly connected with the clamping part 62 of structure in the form of a ring, with the fixing end 72 of clamping pin 70.

In sum, the utility model

power supply adaptor

1,2 is by being placed in the main part 411 of plug connector in the jockey 40 or the Plug Division 612 of plug connector 60 between two holding pieces 312 of holding part 30, and the fixing end 52,72 of clamping part 42, the 62 clamping pins 50,70 of plug connector 40,60, not only make easy to assemblyly, and pin 50,70 can connect printed circuit board (PCB) 20 securely by jockey.

Claims

1. a power supply adaptor includes shell, and shell has first housing and second housing of mutual fastening, contains printed circuit board (PCB), pin and jockey in the shell; Pin has an inserted terminal and a fixing end, inserted terminal stretches outside described second housing, jockey comprises plug connector and is fixed in holding part on the printed circuit board (PCB), it is characterized in that: holding part has a holding section, plug connector has a contact site and a clamping part, contact site is arranged in the holding section of described holding part, the fixing end of clamping part clamping pin.

2. power supply adaptor according to claim 1, it is characterized in that: the holding section of described holding part has a base portion, the two ends of base portion are inclined upwardly respectively and extend to form two holding pieces, distance between the two holding piece tops is less than the length of base portion, the top of two holding pieces bending downwards respectively extends to form a fixed part, and fixed part is fixed on the described printed circuit board (PCB).

3. power supply adaptor according to claim 2 is characterized in that: the described end that patches the contact site of fitting convexes with a salient point to a side, and salient point is placed between two holding pieces of described holding section.

4. power supply adaptor according to claim 2, it is characterized in that: the contact site of described plug connector comprises a upwardly extending connecting portion of a main part and an autonomous body top that vertically is provided with, main part is arranged between two holding pieces of holding section of described holding part, and a side of connecting portion is fixedly connected with described clamping part.

5. power supply adaptor according to claim 4 is characterized in that: the top of described connecting portion offers an opening, and second enclosure interior is provided with holding board, and open card places on the holding board.

6. power supply adaptor according to claim 2, it is characterized in that: the contact site of described plug connector is horizontally disposed main part by one and is constituted perpendicular to main part two ends and the Plug Division and the connecting portion that extend towards the opposite both sides of direction respectively, the Plug Division is arranged between two holding pieces of holding section of described holding part, and a side of connecting portion is fixedly connected with described clamping part.

7. power supply adaptor according to claim 6, it is characterized in that: offer at least one location hole on the main part of described plug connector, second enclosure interior is provided with support sector, and the end face of support sector is convex to be provided with at least one projection, and projection is positioned in the location hole.