CN102570138A - USB (Universal Serial Bus) connector - Google Patents
USB (Universal Serial Bus) connector Download PDFInfo
- Publication number
- CN102570138A CN102570138A CN201210008950XA CN201210008950A CN102570138A CN 102570138 A CN102570138 A CN 102570138A CN 201210008950X A CN201210008950X A CN 201210008950XA CN 201210008950 A CN201210008950 A CN 201210008950A CN 102570138 A CN102570138 A CN 102570138A
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- pcb board
- pcb
- golden finger
- usb connector
- connecting portion
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Abstract
The invention discloses a USB (Universal Serial Bus) connector which comprises a PCB (Printed Circuit Board), a plastic shell and a metal cover, wherein the plastic shell is used for carrying the PCB, and the metal cover is sheathed on the plastic shell. The plastic shell is divided into a handheld part and a connecting part, and the metal cover surrounds the connecting part. A golden finger, a crystal oscillator, a control circuit and an antenna are arranged on the PCB. The connecting part is provided with a fence frame used for limiting the PCB, and one opening of the fence frame is sealed by a baseplate. The bottom surface of the PCB faces the baseplate, and is isolated from the metal cover by the baseplate, and a connecting interlayer is formed between the top surface of the PCB and the metal cover. The golden finger is located at one end of the top surface of the PCB, and faces the connecting interlayer. The control circuit, the antenna and the crystal oscillator are located at the other end of the PCB, the control circuit and the antenna are located on the top surface of the PCB, and the crystal oscillator is located on the bottom surface of the PCB. The baseplate of the plastic shell is in a sealed plate structure, and has a good support effect, and the PCB is isolated from the metal cover by the baseplate, which ensures electrical performance.
Description
Technical field
The present invention relates to the USB application apparatus, relate in particular to a kind of USB connector of the USB of being used for application apparatus.
Background technology
The USB connector generally comprises the plastic cement shell and that a pcb board, is used to carry said pcb board and is enclosed within the metal cap on the part plastic cement shell, has the splicing ear that is used for carrying out with other equipment data communication on the pcb board and is also referred to as golden finger.For NANO (being the short USB connector of length) product, golden finger length is about the half the of pcb board length overall, in the prior USB connector; Generally can on the corresponding pcb board another side in golden finger zone, electronic devices and components be set, for example mention a kind of USB connector in No. the 200510137677.0th, the disclosed Chinese invention patent on August 16th, 2006, consult Fig. 1; In this product, be provided with control circuit 251 with the relative another side in golden finger zone on the pcb board, for ccontaining this control circuit; With plastic cement shell back-plane design is hollow out; Be in the space of control circuit 251 between pcb board and metal cap, in this structure, components and parts are too near from iron-clad on the pcb board; Be easy to and the iron-clad short circuit; Its a kind of solution is on components and parts, to stick on one deck insulating tape, but processes pretty troublesomely like this, and still has insulating barrier to be galled, paste inclined to one side risk.In addition because the design of the hollow out of plastic cement shell base plate makes the corresponding bottom suspension area in pcb board golden finger zone bigger, repeatedly after the plug, be prone to cause the PCB rupture of line because of the PCB stress deformation at receiver.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of USB connector that can guarantee pcb board electric insulation and mechanical performance simultaneously.
For solving the problems of the technologies described above; Technical scheme of the present invention is: a kind of USB connector is provided, comprises pcb board, be used to carry the plastic cement shell of pcb board and be socketed on the metal cap on the plastic cement shell, said plastic cement shell is divided into Handheld Division and connecting portion; Said metal cap is fixed around said connecting portion and with connecting portion; Be distributed with golden finger, crystal oscillator, control circuit and antenna on the said pcb board, said connecting portion has the fence frame that is used for spacing pcb board, and an open side of said fence frame is sealed by a base plate; Said pcb board bottom surface isolates towards said base plate and through base plate and metal cap, and formation is connected interlayer between pcb board end face and the metal cap; Said golden finger is positioned at an end of pcb board end face, and golden finger is towards said connection interlayer, and control circuit, antenna and crystal oscillator are positioned at the other end of pcb board, and control circuit and antenna be positioned at the pcb board end face, and crystal oscillator is positioned at the pcb board bottom surface.
Wherein, an end of next-door neighbour Handheld Division is provided with stage portion on the said connecting portion, the border of the said connection interlayer of end face sealing becoming of said stage portion, and the length of said connection interlayer and the length of golden finger are adaptive.
Wherein, the surface of said stage portion is provided with through hole, and said metal cap is provided with the grab adaptive with through hole.
Wherein, said crystal oscillator is positioned at the mezzanine space of said pcb board bottom surface and plastic cement shell Handheld Division.
Wherein, also be provided with hierarchic structure in the fence frame of said connecting portion, the bottom surface of said pcb board is carried on and makes on this hierarchic structure that the end face of pcb board is concordant with fence frame end face.
Wherein, the shared zone length of said pcb board golden finger is the half the of pcb board length overall.
The invention has the beneficial effects as follows: be different from the prior USB connector, the design of plastic cement shell hollow out causes pcb board unsettled bigger, is prone to take place the pcb board distortion; And on pcb board, crystal oscillator, antenna and golden finger are arranged in one side, control circuit is arranged in another side, part components and parts and metal cap are directly relative; Distance is near, is short-circuited easily, and USB connector of the present invention has been optimized in the pcb board and set type; Golden finger, control circuit and antenna are arranged in end face, crystal oscillator is arranged in the end of bottom surface away from golden finger, make full use of the plate space of planes of pcb board end face; And the zone of the corresponding golden finger in the pcb board bottom surface components and parts that do not distribute can not occur contacting the base plate that the plastic cement shell of USB connector is set to seal between components and parts and the shell; Realize the insulation isolation between pcb board and the metal cap, guaranteed electric property; Because the plastic cement shell is a closed bottom, can play good supporting role simultaneously, reduce the flying height of pcb board, increase the rigidity of pcb board, avoid repeatedly using back pcb board stress deformation to cause the fault of rupture of line.
Description of drawings
Fig. 1 is a kind of USB connector structure of prior art;
Fig. 2 is the cutaway view of the USB connector of one embodiment of the invention;
Fig. 3 is the plastic cement shell structure figure of the USB connector of one embodiment of the invention;
Fig. 4 is the structure chart of another view direction of Fig. 3;
Fig. 5 is the pcb board end face sketch map of the USB connector of one embodiment of the invention;
Fig. 6 is that pcb board shown in Figure 5 gets schematic bottom view.
Among the figure:
10, pcb board; 11, shoulder; 12, golden finger; 13, control circuit; 14, antenna; 15, crystal oscillator; 120, connect interlayer; 20, plastic cement shell; 20a, Handheld Division; 20b, connecting portion; 21, base plate; 22, fence frame; 23, hierarchic structure; 24, stage portion; 24a, stage portion end face; 25, through hole; 26, list structure; 30, metal cap; 40, plastic cement cap.
Embodiment
By specifying technology contents of the present invention, structural feature, realized purpose and effect, give explanation below in conjunction with execution mode and conjunction with figs. are detailed.
The present invention relates to the USB connector in a kind of USB of can be applicable to application apparatus such as wireless mouse, Wireless Keyboard, the wireless portable hard drive etc.; With a understandable example its function is described; For example in wireless mouse; This USB connector is plugged on the USB interface of computer, makes computer and mouse main body carry out communication through wireless mode, makes mouse to carry out corresponding control to computer.
Consult Fig. 2 to Fig. 6; USB connector of the present invention comprises pcb board 10, is used to carry the plastic cement shell 20 of pcb board 10 and is socketed on the metal cap 30 on the plastic cement shell 20, and plastic cement shell 20 is divided into Handheld Division 20a and connecting portion 20b, and said metal cap 30 is fixed around said connecting portion 20b and with connecting portion 20b; Metal cap 30 does not wrap up the Handheld Division 20a of plastic cement shell 20; The USB connector in use, the scope that metal cap 30 is covered all is plugged in the USB interface of peripheral hardware, is exposed at the outer part of USB interface and is Handheld Division 20a; Plastic cement shell structure shown in Fig. 2-4; The frame that Handheld Division 20a seals around being, openings at two ends one end connects said connecting portion 20b, and the opening of the other end is by 40 sealings of plastic cement cap.
Be relatively set with two outstanding list structures 26 on the two side of plastic cement shell Handheld Division 20a; Constitute the space of clamping pcb board 10 between two list structures 26; Have step between Handheld Division 20a and the connecting portion 20b, the shoulder 11 of pcb board 10 is stuck on the step of Handheld Division 20a and connecting portion 20b.
Plastic cement shell connecting portion 20b comprises base plate 21 and is positioned at base plate 21 edges and perpendicular to the fence frame 22 of base plate 21, base plate 21 bottom surfaces and metal cap 30 applyings, and pcb board 10 is limited in this fence frame 22; Pcb board 10 bottom surfaces isolate towards said base plate 21 and through base plate 21 and metal cap 30, and formation is connected interlayer 120 between pcb board 10 end faces and the metal cap 30; Be distributed with golden finger 12, the crystal oscillator 15 that is used to provide clock frequency that is used for transfer of data, the antenna 14 that is used to realize the control circuit 13 of connector function and is used for communication on the pcb board 10; Thereby connect the correlation function of realizing the USB connector jointly through cabling in the plate between the each several part; Golden finger 12, control circuit 13 and antenna 14 are positioned at pcb board 10 end faces, and crystal oscillator 15 is positioned at pcb board 10 bottom surfaces; Control circuit 13, antenna 14 and crystal oscillator 15 are positioned at an end of pcb board, and golden finger 12 is positioned at the other end of pcb board, and golden finger 12 is towards said connection interlayer 120.What form between pcb board 10 end faces and the metal cap 30 is connected the data transmission structure that interlayer 120 is used for the USB interface of ccontaining peripheral hardware; And the golden finger 12 of pcb board 10 is towards connecting interlayer 120; Thereby when the USB connector connected peripheral hardware, this golden finger contacted with the data transmission structure of peripheral hardware and carries out the exchange of data.The base plate 21 of plastic cement shell connecting portion 20b is the slab construction of a sealing, can play good supporting role to pcb board 10, the bending situation when minimizing is supported because of using too much pcb board 10 not have; With golden finger 12 opposed bottom surface components for distributed electronics not, and isolate by base plate 21 between pcb board 10 and the metal cap 30 on the pcb board 10, the electric short circuit fault can not take place, guarantee electric property.
Plastic cement shell connecting portion 20b part; The end of next-door neighbour Handheld Division 20a is provided with stage portion 24, and the connecting portion 20b and the Handheld Division 20a of these stage portion 24 parts are similar, roughly sealing around it; Only be provided with through hole 25 with base plate 21 relative surfaces, one side; The connecting portion 20b of stage portion 24 positions height is highly suitable with metal cap 30, and can fit the fully just connecting portion 20b of stage portion 24 parts of metal cap 30 is corresponding with the through hole 25 on the stage portion 24; Metal cap 30 is provided with grab, and grab is connected in this through hole 25 and makes metal cap 30 fixing with plastic cement shell 20.Stage portion end face 24a sealing becomes the border that connects interlayer 120, the positioning reference when becoming the USB connector and being connected with peripheral hardware, and the length of connection interlayer 120 and the length of golden finger 12 are adaptive, effectively utilize the space to reach transfer of data effect preferably.
Preferably; Crystal oscillator 15 is arranged in the space of pcb board 10 bottom surfaces and plastic cement shell Handheld Division 20a formation; In order to make pcb board 10 have better rigidity, should reduce unsettled length and the height of PCB as far as possible, can know by the structural representation of Fig. 2; Plastic cement shell Handheld Division 20a compares connecting portion 20b and has bigger height; Therefore crystal oscillator 15 is arranged at the large scale (for connecting portion 20b) that 20a corresponding pcb board zone in Handheld Division can make full use of Handheld Division 20a, needn't increases the distance between pcb board 10 and the base plate 21, avoided pcb board 10 unsettled excessive.
Consult Fig. 4; Also be provided with hierarchic structure 23 in the fence frame 22 of connecting portion 20b; The bottom surface of pcb board 10 is carried on this hierarchic structure 23; Make that the end face of pcb board 10 is concordant with fence frame 22 end faces, the support of 23 pairs of pcb boards 10 of this hierarchic structure and stage portion end face 24a are spacing just opposite to pcb board 10, and both play good locating effect to pcb board 10 at cooperation; This moment, golden finger 12 formations connected a border of interlayer 120, and when the USB connector was connected with peripheral hardware, golden finger can guarantee to carry out exchanges data with the corresponding construction contact matching of peripheral hardware.
Consult Fig. 5 again; In the present embodiment, golden finger 12 shared zone lengths are about the half the of pcb board 10 length overalls on the pcb board 10, at second half area distribution control circuit 13 and antenna 14 of pcb board 10 these faces; Preferred antenna 14 is for mounting structure; And be arranged at the edge,, obtain radio frequency transmission effect preferably to take less pcb board area.
Be different from the prior USB connector, the design of plastic cement shell hollow out causes pcb board unsettled bigger, is prone to take place the pcb board distortion; And on pcb board, crystal oscillator, antenna and golden finger are arranged in one side, control circuit is arranged in another side, part components and parts and metal cap are directly relative; Distance is near, is short-circuited easily, and USB connector of the present invention has been optimized in the pcb board and set type; Golden finger, control circuit and antenna are arranged in end face, crystal oscillator is arranged in the end of bottom surface away from golden finger, make full use of the plate space of planes of pcb board end face; And the zone of the corresponding golden finger in the pcb board bottom surface components and parts that do not distribute can not occur contacting the base plate that the plastic cement shell of USB connector is set to seal between components and parts and the shell; Realize the insulation isolation between pcb board and the metal cap, guaranteed electric property; Because the plastic cement shell is a closed bottom, can play good supporting role simultaneously, reduce the flying height of pcb board, increase the rigidity of pcb board, avoid repeatedly using back pcb board stress deformation to cause the fault of rupture of line.
The above is merely embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (6)
1. USB connector; Comprise pcb board, be used to carry the plastic cement shell of pcb board and be socketed on the metal cap on the plastic cement shell; Said plastic cement shell is divided into Handheld Division and connecting portion, and said metal cap is fixed around said connecting portion and with connecting portion, is distributed with golden finger, crystal oscillator, control circuit and antenna on the said pcb board; It is characterized in that: said connecting portion has the fence frame that is used for spacing pcb board, and an open side of said fence frame is sealed by a base plate; Said pcb board bottom surface is towards said base plate, and isolates through base plate and metal cap, and formation is connected interlayer between pcb board end face and the metal cap; Said golden finger is positioned at an end of pcb board end face, and golden finger is towards said connection interlayer, and control circuit, antenna and crystal oscillator are positioned at the other end of pcb board, and control circuit and antenna be positioned at the pcb board end face, and crystal oscillator is positioned at the pcb board bottom surface.
2. USB connector according to claim 1; It is characterized in that: an end of next-door neighbour Handheld Division is provided with stage portion on the said connecting portion; The border of the said connection interlayer of end face sealing becoming of said stage portion, the length of said connection interlayer and the length of golden finger are adaptive.
3. USB connector according to claim 2 is characterized in that: the surface of said stage portion is provided with through hole, and said metal cap is provided with the grab adaptive with through hole.
4. USB connector according to claim 1 is characterized in that: said crystal oscillator is positioned at the mezzanine space of said pcb board bottom surface and plastic cement shell Handheld Division.
5. USB connector according to claim 1 is characterized in that: also be provided with hierarchic structure in the fence frame of said connecting portion, the bottom surface of said pcb board is carried on this hierarchic structure, makes that the end face of pcb board is concordant with fence frame end face.
6. according to each described USB connector of claim 1-5, it is characterized in that: the shared zone length of said pcb board golden finger is the half the of pcb board length overall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210008950XA CN102570138A (en) | 2012-01-12 | 2012-01-12 | USB (Universal Serial Bus) connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210008950XA CN102570138A (en) | 2012-01-12 | 2012-01-12 | USB (Universal Serial Bus) connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102570138A true CN102570138A (en) | 2012-07-11 |
Family
ID=46414927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210008950XA Pending CN102570138A (en) | 2012-01-12 | 2012-01-12 | USB (Universal Serial Bus) connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102570138A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1987718A (en) * | 2005-12-21 | 2007-06-27 | 大智电子科技公司 | General sequence bus module |
| US7407390B1 (en) * | 2005-05-16 | 2008-08-05 | Super Talent Electronics, Inc. | USB device with plastic housing having inserted plug support |
| US7824227B1 (en) * | 2009-08-11 | 2010-11-02 | Cheng Uei Precision Industry Co., Ltd. | USB application device with a flexible supporter under a printed circuit board |
| US7833056B1 (en) * | 2009-08-04 | 2010-11-16 | Cheng Uei Precision Industry Co., Ltd. | USB application device |
| CN202454787U (en) * | 2012-01-12 | 2012-09-26 | 深圳雷柏科技股份有限公司 | Usb connector |
-
2012
- 2012-01-12 CN CN201210008950XA patent/CN102570138A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7407390B1 (en) * | 2005-05-16 | 2008-08-05 | Super Talent Electronics, Inc. | USB device with plastic housing having inserted plug support |
| CN1987718A (en) * | 2005-12-21 | 2007-06-27 | 大智电子科技公司 | General sequence bus module |
| US7833056B1 (en) * | 2009-08-04 | 2010-11-16 | Cheng Uei Precision Industry Co., Ltd. | USB application device |
| US7824227B1 (en) * | 2009-08-11 | 2010-11-02 | Cheng Uei Precision Industry Co., Ltd. | USB application device with a flexible supporter under a printed circuit board |
| CN202454787U (en) * | 2012-01-12 | 2012-09-26 | 深圳雷柏科技股份有限公司 | Usb connector |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120711 |