CN201436724U

CN201436724U - USB applying device

Info

Publication number: CN201436724U
Application number: CN2009200581470U
Authority: CN
Inventors: 李宗仕; 丁玉祥
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: 2009-06-05
Filing date: 2009-06-05
Publication date: 2010-04-07
Anticipated expiration: 2019-06-05

Abstract

The utility model discloses a USB applying device comprising an outer housing and a circuit board, wherein the outer housing is provided with a receiving space for receiving the circuit board, the circuit board is provided with a top surface and a bottom which are opposite, the top surface of the circuit board is provided with a plurality of contact terminals, a flexible carrier arranged between the outer housing and the bottom surface of the circuit board receives a carrying circuit board in the receiving space. When the USB applying device is plugged into a docking connector, the docking connector applies power on a first terminal part of the circuit board, so as to deviate the terminal part of the circuit board and extrude the flexible carrier which can deform to carry the circuit and disperse the power applied on the circuit board, thereby preventing the circuit board from being damaged caused by concentrated power.

Description

The USB application apparatus

Technical field

The utility model relates to a kind of USB application apparatus, relates in particular to a kind of USB application apparatus of miniaturization.

Background technology

USB (Universal Serial Bus) coffret can provide the user advantages such as convenience, extendibility and high-speed transfer in the use owing to possessing to have, therefore be widely used in various computer peripheral devices, Internet appliance product and the consumption electronic products, the carry-on dish of USB for example, the blue bud adapter of USB is the electronic product of using always in workplace and the family life now.

A kind of structure-improved of prior USB application apparatus, as Taiwan patent I288315 number, it is mainly with the PCB loading plate of a PCB circuit board as a connector, the top surface of PCB loading plate can be in order to carry several first splicing ears, then be formed with interlayer at the bottom of the plate between the basal surface of PCB loading plate and the outer shell of connector naturally, interlayer inside can be in order to be installed with at least one electronic component at the bottom of the plate, whether reduce the length of a USB electronic application module with selection, or increase the task performance of USB electronic application module.Can select to be provided with support structure, front-end protection layer or its combination that can be connected at the bottom of the plate in the interlayer with loading plate.Therefore, support structure is the structure of this base plate interlayer firmly, prevents that the situation of base plate interlayer stress deformation from taking place, and the front-end protection layer can be protected the electronic component of base plate interlayer inside, and strengthens the structure of base plate interlayer.

But; the front-end protection layer of above-mentioned USB application apparatus and support structure are arranged at the edge of base plate interlayer; front edge and side edge that only can the support circuit plate; the mid portion of base plate interlayer is without any supporting construction; when the USB application apparatus is inserted in above-mentioned electronic product; the strength that butt connector puts on the circuit board concentrates on the middle part of circuit board mostly; after long-time the use; thereby partly be easier to cause USB application apparatus malfunction in the middle of the circuit board because of suffering external force to compress malformation.

The utility model content

The purpose of this utility model is to provide a kind of USB application apparatus that can effectively disperse outside applied force amount.

For achieving the above object, the utility model provides the USB application apparatus to comprise shell body and circuit board, shell body is provided with the accommodation space of accommodating circuit board, circuit board is provided with relative end face and bottom surface, board top surface is provided with some contact terminals, accommodate the flexible supporting body of a bearer circuit plate in the accommodation space, flexible supporting body is arranged between shell body and the circuit board bottom surface.

As mentioned above, when the USB application apparatus is plugged in butt connector, butt connector puts on the strength of circuit board one end, can make this end skew of circuit board and push flexible supporting body, flexible supporting body can produce distortion in stressed back, with the strength on bearer circuit plate and the distributed circuit plate, damage circuit board thereby avoid strength too to concentrate.

Description of drawings

In Figure of description:

Fig. 1 is the stereogram of a kind of embodiment of the utility model USB application apparatus.

Fig. 2 is the three-dimensional exploded view of USB application apparatus shown in Figure 1.

Fig. 3 is the partial sectional view of the insulating body of USB application apparatus shown in Figure 1.

Fig. 4 is the stereogram of the backsight of the insulating body of USB application apparatus shown in Figure 1 and circuit board.

Fig. 5 is the stereogram of the lid of USB application apparatus shown in Figure 1.

Fig. 6 is the stereogram of the circuit board of USB application apparatus shown in Figure 1.

Fig. 7 is the functional-block diagram of the integrated circuit of USB application apparatus shown in Figure 1.

Fig. 8 is the stereogram of the metal shell of USB application apparatus shown in Figure 1.

Fig. 9 is the cutaway view of USB application apparatus shown in Figure 1 along IX-IX.

Figure 10 is the three-dimensional combination figure of the another kind of embodiment of the utility model USB application apparatus.

The description of reference numerals of each element is as follows among the figure:

USB application apparatus 100 shell bodies 2

Circuit board 4 supporting bodies 6

Insulating body 8 lids 10

Metal shell 12 the first side walls 14

Second sidewall, 16 diapires 18

Roof 20 fixation wall 22

First front side wall, 24 second front side walls 26

Preceding diapire 28 body accommodation spaces 30

Open rearward end 32 front openings 34

Front end accommodation space 36 connects groove 38

Buckling groove 40 first guidance parts 42

Second guidance part, 44 projections 46

Fixing hole 48 front wall 50

The 3rd guidance part 52 the 4th guidance part 54

Body 56 fixed legs 58

Support sector's 60 end faces 62

Bottom surface 64 first ends 66

The second end 68 contact terminals 70

Integrated circuit 72 USB interfaces 74

Interface of wireless transmission 76 converting units 78

Antenna 80 electronic components 82

Location notch 84 top boards 86

Base plate 88 side plates 90

Trip 92

Embodiment

Followingly describe technology contents of the present utility model, structural feature, the purpose that realizes and effect in detail with reference to embodiment and conjunction with figs..

See also Fig. 1 and Fig. 2, a kind of embodiment of the utility model USB application apparatus 100 is a USB interface and interface of wireless transmission switching device, and the wireless transmission interface can be blue bud interface, RFID interface, WiFi interface, WiMax interface and ZigBee interface etc.USB application apparatus 100 is provided with shell body 2 and is contained in circuit board 4 and supporting body 6 in the shell body 2, and shell body 2 is by insulating body 8, lid 10, formed with metal shell 12.

See also Fig. 3, Fig. 4 and Fig. 9, insulating body 8 is provided with the first side wall 14, second sidewall 16, diapire 18, roof 20, fixation wall 22, first front side wall 24, second front side wall 26 and preceding diapire 28.The first side wall 14, second sidewall 16, diapire 18 surround a body accommodation space 30 with roof 20, and body accommodation space 30 rear end types become an open rearward end 32.

Fixation wall 22 is extended towards diapire 18 by roof 20 internal faces, fixation wall 22 vertical extent are in roof 20 front ends, fixation wall 22 dual-sides connect the first side wall 14 and second sidewall 16 respectively, constitute a front opening 34 between the first side wall 14, second sidewall 16, diapire 18 and the fixation wall 22.First front side wall 24, second front side wall 26 extend the first side wall 14 front ends, second sidewall, 16 front ends and diapire 18 front ends respectively with preceding diapire 28, and surround a front end accommodation space 36, first front side wall 24 and second front side wall 26 have equal height, and first front side wall 24 and second front side wall 26 are lower than the first side wall 14 and second sidewall 16.

The interior sidewall surface of the interior sidewall surface of the first side wall 14 and second sidewall 16 is respectively equipped with and connects groove 38 (only show among the figure second sidewall, 16 interior sidewall surface connect groove 38).Diapire 18 is respectively equipped with a pair of buckling groove 40 with the outside wall surface of roof 20, and roof 20 is provided with first guidance part 42 that aligns mutually with buckling groove 40 with the outside wall surface of fixation wall 22 junctions.

The outer side surface of preceding diapire 28 is provided with second guidance part 44 that aligns mutually with buckling groove 40.First guidance part 42 is an inclined-plane, and second guidance part 44 is a guide channel, diapire 28 leading edges before second guidance part, 44 1 ends are communicated with, and the other end extends towards diapire 18, and first front side wall, 24 internal faces are provided with a projection 46.

The top and bottom of the first side wall 14 rear ends and second sidewall, 16 rear ends is respectively equipped with fixing hole 48, and fixing hole 48 is opened in open rearward end 32 edges of insulating body 8.Preceding diapire 28 front end vertical extent have front wall 50 up, front wall 50 both sides connect first front side wall 24 and second front side wall 26 respectively, the front wall 50 and first front side wall 24 and second front side wall, 26 junctions are provided with the 3rd guidance part 52, front wall 50 tops are provided with the 4th guidance part 54, the 3rd guidance part 52 and the 4th guidance part 54 are respectively a cambered surface, and insulating body 8 is made with the plastics ejection formation.

See also Fig. 5, lid 10 is provided with body 56, fixed leg 58 and support sector 60, and body 56 is tabular, and the shape of body 56 peripheries corresponds to the shape of insulating body 8 open rearward end 32.Open rearward end 32 shapes of insulating body 8 are roughly rectangular, so body 56 is rectangular accordingly tabular.

The position of fixed leg 58 is corresponding to the position of the fixing hole 48 at insulating body 8 open rearward end 32 edges, fixing hole 48 is arranged at the top, rear end and the bottom, rear end of the first side wall 14 and second sidewall 16 of insulating body 8, so fixed leg 58 is arranged at the top and bottom of body 56 both sides respectively.Support sector 60 and fixed leg 58 all are arranged at the same one side of body 56.Support sector 60 is column, and lid 10 is made with the plastics ejection formation.

See also Fig. 6, circuit board 4 is provided with relative end face 62 and bottom surface 64 and relative first end 66 and the second end 68.First end 66 places that circuit board 4 is positioned at end face 62 are provided with four contact terminals 70, and its function is respectively VCC power circuit, GND power circuit, D+ data circuit and D-data circuit, to meet the USB standard criterion.The bottom surface 64 of circuit board 4 is provided with at least one integrated circuit 72, and (Integrated Circuit, IC), in the present embodiment, integrated circuit 72 is arranged between first end 66 and the second end 68.

See also Fig. 7, integrated circuit 72 comprises at least one USB interface 74, at least one interface of wireless transmission 76 and a converting unit 78, converting unit 78 is connected between USB interface 74 and the interface of wireless transmission 76, change into the data of interface of wireless transmission 76 in order to data, and the data of interface of wireless transmission 76 are changed into the data at USB interface 74 USB interface 74.The USB interface 74 of integrated circuit 72 electrically connects four contact terminals 70.

The end face 62 of circuit board 4 is provided with antenna 80 being positioned at the second end 68 places, it electrically connects the interface of wireless transmission 76 of integrated circuit 72, in order to receiving the data that interface of wireless transmission 76 sends and to change into wireless signal, and can receive wireless signal and change into data and deliver to interface of wireless transmission 76.

The mid portion of circuit board 4 end faces 62 and first end 66 bottom surfaces 64 are respectively equipped with a plurality of electronic components 82.In order to improve antenna 80 usefulness, the second end 68 bottom surfaces 64 of circuit board 4 are not provided with any electronic component 82 with respect to the zone that antenna 80 is provided with the position, to avoid that antenna 80 is produced electrical Interference.Circuit board 4 first ends 66 1 sides are provided with location notch 84.

See also Fig. 8, metal shell 12 is provided with relative top board 86 and base plate 88 and relative biside plate 90, and biside plate 90 is connected to top board 86 both sides and base plate 88 both sides.The top board 86 and the base plate 88 of metal shell 12 are respectively equipped with a pair of trip 92 (trip 92 of only representing top board 86 among the figure).

Supporting body 6 is made by flexible material, can produce distortion in stressed back, and to scatter one's forces, in the present embodiment, the material of supporting body 6 can be wheat and draws (Mylar), rubber or soft plastic etc.

When 100 assemblings of USB application apparatus, earlier supporting body 6 is arranged in the front end accommodation space 36 of insulating body 8, then, circuit board 4 is begun to insert the open rearward end 32 of insulating body 8 by first end 66, circuit board 4 dual-sides snap into connecting in the groove 38 of insulating body 8 respectively, by connecting groove 38 guidings, circuit board 4 can be assembled in the insulating body 8.

In the time of in circuit board 4 is contained in insulating body 8 fully, circuit board 4 sides snap into connecting in the groove 38 of insulating body 8, with to circuit board 4 location, avoid circuit board 4 to produce the above-below direction displacement with respect to insulating body 8.Circuit board 4 dual-sides are the first side wall 14 interior sidewall surface, second sidewall, 16 interior sidewall surface, first front side wall, 24 interior sidewall surface and second front side wall, 26 interior sidewall surface of butt insulating body 8 respectively, produce the left and right directions displacement to avoid circuit board 4 with respect to insulating body 8.

The second end 68 of circuit board 4 is contained in the body accommodation space 30 of insulating body 8, and the first end 66 of circuit board 4 is contained in the front end accommodation space 36 of insulating body 8, and is arranged at supporting body 6 tops.First end 66 bottom surfaces 64 of supporting body 6 covering boards 4.The projection 46 of insulating body 8 is sticked in the location notch 84 of circuit board 4, with to circuit board 4 location, avoids circuit board 4 to produce the fore-and-aft direction displacement with respect to insulating body 8.Contact terminal 70 stretches out in outside the insulating body 8.

Circuit board 4 mid portions and integrated circuit 72 are clipped in the front opening 34 of insulating body 8, but integrated circuit 72 support circuit plates 4, and end face 62 mid portions of the fixation wall 22 butt circuit boards 4 of insulating body 8 are fixed circuit board 4 to replace.

Afterwards, the fixed leg 58 of lid 10 snaps in the fixing hole 48 of insulating body 8, makes lid 10 seal the open rearward end 32 of insulating body 8.The second end 68 of support sector's 60 support circuit plates 4 of lid 10 is with the structure of accentuator plate 4.Support sector's 60 end faces of lid 10 and the groove 38 that connects of insulating body 8 are positioned at same plane, to support and locating circuit board 4, make circuit board 4 levels place insulating body 8 inside.

Then, first front side wall 24, second front side wall 26 of the first end 66 of circuit board 4 and insulating body 8 insert in the metal shell 12 with preceding diapire 28, the trip 92 of metal shell 12 can be sticked in the buckling groove 40 glibly via first guidance part 42 and 44 guidings of second guidance part of insulating body 8, insulating body 8 is interfixed with metal shell 12 combine.

At last, first front side wall 24 of the first end 66 of metal shell 12 coating circuit plates 4 and insulating body 8, second front side wall 26 and preceding diapire 28, and constitute standard USB A type connector together, make USB application apparatus 1 meet the USB standard criterion, and metal shell 12 can promote the structural strength of USB application apparatus 100.

When USB application apparatus 100 is plugged in the butt connector (not shown), via the 3rd guidance part 52 of insulating body 8 and the guiding of the 4th guidance part 54, butt connector can be guided glibly and insert in the interlayer between circuit board 4 end faces 62 and the metal shell 12, makes the contact terminal 70 of butt joint terminal butt circuit board 4 end faces 62 of butt connector.

When first end 66 end faces 62 of butt connector butt circuit board 4, the butt joint terminal of butt connector can apply strength on the first end 66 of circuit board 4, can be after the first end 66 of circuit board 4 is stressed towards preceding diapire 28 skews of insulating body 8, and extruding supporting body 6, and supporting body 6 can produce distortion in stressed back, with bearer circuit plate 4 and disperse connecting connector applied force amount.

See also Figure 10, among the another kind of embodiment of the utility model USB application apparatus 100, insulating body 8 is not provided with front wall 50, and supporting body 6 can be fixed in preceding diapire 28 internal faces of insulating body 8.In the time of in circuit board 4 is contained in insulating body 8 fully, supporting body 6 also can be to circuit board 4 location.

When USB application apparatus 100 is plugged in butt connector, but supporting body 6 electronic component 82 of protective circuit plate 4 bottom surfaces also avoids electronic component 82 to be damaged by butt connector.

By after the above explanation as can be known, when the first end 66 of circuit board 4 is subjected to external force, during towards preceding diapire 28 skews of insulating body 8 and extruding supporting body 6, supporting body 6 can produce distortion in stressed back, with bearer circuit plate 4 and disperse external force, avoid external force too to concentrate and then damage circuit board 4.

Claims

1. USB application apparatus, comprise a shell body and a circuit board, shell body is provided with an accommodation space of accommodating circuit board, circuit board is provided with a relative end face and a bottom surface, board top surface is provided with some contact terminals, it is characterized in that: accommodate the flexible supporting body of a bearer circuit plate in the accommodation space, flexible supporting body is arranged between shell body and the circuit board bottom surface.

2. USB application apparatus according to claim 1 is characterized in that: described flexible supporting body fills up the accommodation space between shell body and the circuit board bottom surface.

3. USB application apparatus according to claim 1, it is characterized in that: described circuit board is provided with a relative first end and a second end, contact terminal is arranged at the first end end face, described shell body comprises an insulating body and a metal shell, described accommodation space is located in the insulating body, a metal shell coated insulation body part and circuit board first end.

4. USB application apparatus according to claim 3, it is characterized in that: described insulating body is provided with a relative diapire and a roof, the first side wall and one second sidewall that connect diapire and roof both sides respectively, one extends the preceding diapire of diapire front end and extends the first side wall and the second sidewall front end respectively and is connected one first front side wall and one second front side wall of preceding diapire both sides, diapire, roof, the first side wall and second sidewall surround a body accommodation space of accommodating the circuit board the second end, the first side wall, second sidewall and preceding diapire surround a front end accommodation space of accommodating circuit board first end and flexible supporting body, and described contact terminal stretches out in outside the insulating body.

5. USB application apparatus according to claim 4, it is characterized in that: the roof of described insulating body extends a fixation wall towards diapire, surround a front opening between fixation wall, diapire, the first side wall and second sidewall, be installed with an integrated circuit in the middle of the bottom surface of circuit board, circuit board mid portion and integrated circuit are seized on both sides by the arms in front opening, the end face mid portion of fixation wall bottom butt circuit board, integrated circuit butt diapire internal face and preceding diapire internal face.

6. USB application apparatus according to claim 5 is characterized in that: the first side wall internal face of described insulating body and the second sidewall internal face are respectively equipped with one and connect groove, and the board side checkpost is gone into to connect in the groove.

7. USB application apparatus according to claim 5 is characterized in that: the diapire front end is extended with front wall up before described.

8. USB application apparatus according to claim 5, it is characterized in that: the diapire of described insulating body, roof, the first side wall and second sidewall surround an open rearward end with respect to front opening, open rearward end edge is provided with at least one fixing hole, open rearward end is covered with a lid, and lid is provided with a body and the interior fixed leg of fixing hole is simultaneously gone up and snapped in at least one body that is arranged at.

9. USB application apparatus according to claim 8 is characterized in that: described lid is provided with the support sector of at least one support circuit board the second end.

10. USB application apparatus according to claim 1 is characterized in that: the material of described flexible supporting body is that wheat is drawn, a kind of in rubber and the soft plastic.