CN202550162U

CN202550162U - Connector terminal structure with circuit board

Info

Publication number: CN202550162U
Application number: CN2012201267105U
Authority: CN
Inventors: 陈伯榕
Original assignee: DONGGUAN JIANGUAN PLASTICS ELECTRON Co Ltd; Zhongjiang Yongde Electronics Co Ltd; UD Electronic Corp
Current assignee: DONGGUAN JIANGUAN PLASTICS ELECTRON Co Ltd; Zhongjiang Yongde Electronics Co Ltd; UD Electronic Corp
Priority date: 2012-03-29
Filing date: 2012-03-29
Publication date: 2012-11-21
Anticipated expiration: 2022-03-29

Abstract

The utility model provides a connector terminal structure with a circuit board. A circuit board of a signal module is positioned inside a tongue plate in front of a base of an insulating seat body; elastic terminals are correspondingly arranged at penetrating holes in the surface of the circuit board; a welding end of each elastic terminal extends forwards to the penetrating hole from the back direction of the circuit board to form a connecting arm; the connecting arm stretches into the penetrating hole through a turning part, is positioned in the penetrating hole and reversely and obliquely extends to form an elastic arm and a contact part which protrude out of a hollow part which corresponds to the tongue plate; each joint on the circuit board corresponds to the hole; the elastic terminals and the joints are connected to a plurality of connecting terminals on the rear part through a circuit; and the connecting arm presses against an inner wall surface of a perforating space of the tongue plate to serve as elastic travel limit when a contact part serving as the elastic terminal presses against; and moreover, the travel of upper and lower elastic deformation can be increased through the penetrating holes when the contact parts are butted, so that the deformation is hardly caused, and the defect that a welding end is stripped is overcome.

Description

The connector terminal structure of tool circuit board

Technical field

The utility model provides a kind of connector terminal structure of tool circuit board, and You Zhike effectively reaches the connector terminal structure that be difficult for to produce distortion and avoid the tool circuit board that welding ends peels off.

Background technology

Electronics technology is fast-developing now; Make the kenel of computer develop into volume notebook computer less, easy to carry by desktop computer; And each corner in the ubiquity society, when the user desires to carry out the transmission of data, signal or is connected with other peripheral equipment, promptly need so-called peripheral equipment interface; Use and generally the peripheral equipment interface is the most generally and widely popular on the market, still with universal serial bus (USB) as main flow.

Moreover, along with computer or notebook computer development trend, the inner connector of computer is also significantly dwindled thereupon, but connector promptly need be considered the signal interference problem that its galvanomagnetic effect produces in the computer downsizing; And the Electromagnetic Interference that generally can influence connector can be divided into following two kinds haply; One of which is for mainly transferring to the conducted interference (Conducted Disturbance) that connector produces via conductors such as the power circuit on the circuit board, signal lines, and (Radiated Disturbance) disturbed in its two radiation of being caused for the radiation space that is transmitted to the electromagnetic wave form around the connector; In addition; Along with USB3.0 connector transmission speed significantly promotes; Its conducting terminal number increases and is densely distributed; As easy as rolling off a log because of between terminals of adjacent too near or terminal have any turnover or crooked signal when causing high-frequency signal to transmit disturb (as electrostatic interference, Electromagnetic Interference, impedance matching, noise disturb, the cross-talk of adjacent conductive terminal etc.); The circuit impedance of USB3.0 connector and system host plate interface (Z) must be complementary, and must could effectively reduce electromagnetic interference (EMI) under the situation of this condition and reduce noise (noise) and disturb satisfying, and makes and correctly carries out the signal transmission between USB3.0 connector and system host plate interface; Otherwise; Signal transmission between USB3.0 connector and system host plate interface will produce signal reflex and noise disturbs; And then cause the loss of signal, distortion and distortion, cause frequency range and signal quality not to reach standard, and influence the normal operation of electronic installation (like computer, network equipment etc.).

Yet the hyoplastron of general circuit template formula design uses mostly and is all planar structure at Copper Foil contact place, like the socket connector of HDMI pattern D; And when being applied to the socket connector of USB3.0; Because the hyoplastron surface of circuit board pattern design need be provided with five Copper Foil contacts and four flexible terminals, thus when the pin connector of USB3.0 and socket connector when dock, its flexible terminal is understood several kinds of serious mechanism's problems of generation on the hyoplastron that the circuit board pattern designs; First problem is that the contact site in flexible terminal the place ahead is because of being positioned at circuit board surface top; When butt joint very easily because of skew or cross the positive force bump that high tolerance receives pin connector, and then produce peeling off or destroying of flexible terminal deformation or flexible terminal and circuit board welding position, second problem is when pin connector docks with socket connector; When the terminal of the two corresponding configuration electrically contacts; Its flexible terminal receives side force and pushes towards circuit board, very easily makes the welding position generation of flexible terminal and circuit board peel off or destroy, and the 3rd problem is for when pin connector docks with socket connector; When the terminal of the two corresponding configuration electrically contacts; Its flexible terminal receives side force and pushes towards circuit board, can not make preferable strain because of flexible terminal has the space on circuit board, and very easily makes flexible terminal produce deformation.

Therefore, the connector terminal structure that how to solve tool circuit board commonly used when high-frequency signal transmission and the disappearance on the structural stability with not enough, be the direction of being engaged in this journey improvement that the dealer desires most ardently and belong to.

Summary of the invention

Therefore; The designer is because problem and the disappearance that the connector terminal structure of tool circuit board commonly used uses; Be to collect related data via in many ways assessment and consideration; And utilize engage in the industry research and develop for many years experience constantly test with revise, the beginning is designed the novel birth of the connector terminal structure of this kind tool circuit board.

The main purpose of the utility model is that pedestal the place ahead hyoplastron positioned internal of insulating base frame has the circuit board of signaling module; And each the perforation place correspondence on the circuit board surface is provided with flexible terminal; And the welding ends of each flexible terminal was bored a hole toward the previous dynasty with respect to the rear, opposite side surface of contact by circuit board and is extended with linking arm; Its linking arm stretch into a turning point and be positioned at the perforation after; Oppositely tiltedly stretch again elastic arm and the contact site that protrudes from the corresponding thread emptying aperture place of hyoplastron arranged; Just can by linking arm push against in hyoplastron to place the springing stroke of internal face place, space when supporting as the contact site of flexible terminal spacing, and the stroke of strain up and down can increase the contact site butt joint through perforation the time just can reach the disappearance that flexible terminal is difficult for producing distortion and avoids welding ends to peel off and take place.

For reaching above-mentioned purpose, the utility model provides a kind of connector terminal structure of tool circuit board, includes insulating base frame and signaling module, wherein:

The place, pedestal the place ahead of this insulating base frame is provided with the hyoplastron that tool places the space, and is provided with five holes of at least one thread emptying aperture and thread emptying aperture the place ahead one distance on the hyoplastron surface;

This signaling module is to have to be positioned at the circuit board that hyoplastron places the space; And circuit board surface is provided with a plurality of perforation, circuit, contact and weld part; Circuit board is positioned at each perforation place correspondence and is provided with flexible terminal; And the welding ends of each flexible terminal is welded on the circuit board; And welding ends is extended with toward the perforation previous dynasty with respect to rear, the opposite side of contact surface by circuit board and pushes against the linking arm that places internal face place, space in hyoplastron, and this linking arm stretches into a turning point and is positioned at oppositely tiltedly to stretch to have after the perforation again and protrudes from the elastic arm and the contact site at emptying aperture place in detail, and each contact on the circuit board is corresponding to the hole location of this hyoplastron again; And all be welded with splicing ear at a plurality of weld parts place at circuit board rear; Four flexible terminals on the circuit board meet the USB2.0 specification, and four flexible terminals add that five contacts in circuit board the place ahead meet the USB3.0 specification, and four flexible terminals and five contacts are connected to nine weld part places that are welded with splicing ear through the circuit on the circuit board and form electrical conducting path.

The connector terminal structure of described tool circuit board; Wherein place, the pedestal rear of this insulating base frame is formed with the accommodation space of accommodating signaling module; And be provided with a dividing plate at accommodation space bottom side place, and each the splicing ear correspondence that has power circuit board on the dividing plate is crossing to outside a plurality of open-works.

The connector terminal structure of described tool circuit board; Wherein there is shield shell the outside location that coats of this insulating base frame; And shield shell the place ahead is formed with the butt joint space; And make a plurality of flexible terminals of circuit board and contact be positioned at place, butt joint space, and this shield shell rear is the receiving space of accommodating insulating base frame.

The connector terminal structure of described tool circuit board, wherein this shield shell the place ahead all is provided with to the location pins that extends below at receiving space two side bottoms.

The invention has the beneficial effects as follows: the assembling of the connector terminal structure of tool circuit board is easily, the location is firm, can effectively reach to be difficult for the purpose that produces distortion and avoid welding ends to peel off, and interference such as Electromagnetic Interference (EMI) can reduce signal and transmit the time and cross-talk.

Description of drawings

Fig. 1 is the stereo appearance figure of the utility model;

Fig. 2 is the three-dimensional exploded view of the utility model;

Fig. 3 is the three-dimensional exploded view at another visual angle of the utility model;

The side cutaway view that Fig. 4 does not insert at plug for the utility model;

The side cutaway view that Fig. 5 has inserted at plug for the utility model.

Description of reference numerals: 1-insulating base frame; The 10-accommodation space; The 11-pedestal; The 111-fixture block; The 12-hyoplastron; 120-places the space; 121-thread emptying aperture; The 122-hole; The 13-dividing plate; The 131-open-work; The protruding button of 132-; The 2-signaling module; The 21-circuit board; The 210-perforation; The 211-circuit; The 212-contact; The 213-weld part; The 22-flexible terminal; The 221-welding ends; The 222-linking arm; The 223-turning point; The 224-elastic arm; The 225-contact site; The 23-splicing ear; The 3-shield shell; 31-docks the space; The 32-receiving space; The 33-location pins; The 4-plug; The dull and stereotyped terminal of 41-; The 42-conducting terminal.

Embodiment

For reaching above-mentioned purpose and effect, technological means that the utility model adopted and structure thereof are drawn at present and are explained in detail that with regard to the preferred embodiment of the utility model its structure is following with function, understand fully in order to do profit.

See also Fig. 1, Fig. 2, Fig. 3, Fig. 4; Be respectively stereo appearance figure, three-dimensional exploded view, the three-dimensional exploded view at another visual angle and the side cutaway view that plug does not insert of the utility model; Find out by knowing among the figure; The utility model includes insulating base frame 1, signaling module 2 and shield shell 3, wherein:

This insulating base frame 1 has pedestal 11; And be provided with the hyoplastron 12 that is hanging shape in pedestal 11 the place aheads places, what these hyoplastron 12 inside were provided with that a horizontal end has an opening places space 120, and is provided with at least one thread emptying aperture 121 in hyoplastron 12 1 side surface places; And thread emptying aperture 121 the place aheads one distance then is provided with five holes 122; In addition, place, pedestal 11 rears is formed with accommodation space 10, and place, accommodation space 10 bottom sides is provided with the dividing plate 13 with a plurality of open-works 131.

This signaling module 2 has a horizontal circuit boards 21; And on circuit board 21 surfaces, be provided with a plurality of perforation 210, circuit 211, contact 212 and weld part 213; It is positioned at the 210 place's correspondences of respectively boring a hole and is provided with flexible terminal 22; And the welding ends 221 of each flexible terminal 22 is welded on the circuit board 21; And welding ends 221 was bored a hole toward the previous dynasty by circuit board 21 rears and 210 is extended with linking arm 222; Its linking arm 222 stretches into a turning point 223 and is positioned at perforation oppositely tiltedly to be stretched after 210 again elastic arm 224 and contact site 225 is arranged, and the elastic arm 224 of flexible terminal 22 and contact site 225 be perforation 210 outsides that protrude from circuit board 21, and is provided with a plurality of contacts 212 of interleaved shape in plate face place, contact site 225 the place ahead; All be welded with splicing ear 23 at a plurality of weld parts 213 places at circuit board 21 rears in addition; Four flexible terminals 22 on its circuit board 21 meet the USB2.0 specification, and four flexible terminals 22 add that five Copper Foil contacts 212 in circuit board 21 the place aheads then meet the USB3.0 specification, and four flexible terminals 22 and five contacts 212 are connected to nine weld part 213 places that are welded with splicing ear 23 through the lip-deep circuit 211 in circuit board 21 one or both sides and form electrical conducting path.

The welding ends 221 of flexible terminal 22 and splicing ear 23 are respectively with surface adhering technology (Surface Mounting Technology with the welding manner of circuit board 21 in the utility model; SMT) and the piercing welding formula (Through Hole) that passes on the circuit board 21 carry out; Yet; The welding manner of the welding ends 221 of flexible terminal 22 and splicing ear 23 and circuit board 21 in the utility model, all the consideration in the visual structure design select to utilize the surface adhering technology (Surface Mounting Technology, SMT) or the piercing welding formula (Through Hole) that passes on the circuit board 21 carry out; Circuit board 21 can be the single or multiple lift pattern in addition; Above-mentioned simple and easy modification and equivalent structure change, and all should in like manner be contained in the claim of the utility model, close and give Chen Ming.

These shield shell 3 the place aheads are formed with butt joint space 31, and the rear is the receiving space 32 of accommodating insulating base frame 1, and 32 liang of side bottoms of receiving space all are provided with to the location pins that extends below 33.

The utility model is when assembling; Welding ends 221 with each flexible terminal 22 is welded on the circuit board 21 earlier; And each weld part 213 place at circuit board 21 rears also are welded with splicing ear 23 simultaneously; Circuit board 21 the place aheads are pushed towards the opening part that hyoplastron 12 rears on insulating base frame 1 pedestal 11 place space 120, the contact site 225 of each flexible terminal 22 just can protrude from corresponding thread emptying aperture 121 outsides again, treat circuit board 21 push fully hyoplastron 12 place 120 location, space after; Its each contact 212 is exposed to corresponding hole 122 positions, and a plurality of splicing ears 23 tops then are positioned at accommodation space 10 places.

Then dividing plate 13 is pushed in the accommodation space 10 of pedestal 11 from bottom to top; And after making unsettled place, a plurality of splicing ears 23 belows on the circuit board 21 be crossing to the outside downwards by open-work 131 corresponding on the dividing plate 13; That utilizes that place, dividing plate 13 both sides establishes protrudingly buckles 132 and is held in the corresponding fixture block 111 in pedestal 11 internal face places and is a location again; So; Just can signaling module 2 firmly be contained in the accommodation space 10 of pedestal 11; Again insulating base frame after the above-mentioned assembling 1 and signaling module 2 are coated the location with shield shell 3, and make insulating base frame 1 promptly be positioned receiving space 32 places, the hyoplastron 12 that is assembled with circuit board 21 then is arranged in butt joint space 31; It is five Copper Foil contacts 212 that its circuit board 21 is positioned at corresponding hole 122 the place ahead plate faces; Every adjacent segment slightly rear then is four flexible terminals 22, and the contact site 225 of each flexible terminal 22 all can protrude from thread emptying aperture 121 places, and with the circuit on the circuit board 21 211 each contact 212 and flexible terminal 22 is connected to nine weld part 213 places that are welded with splicing ear 23 and forms electrical conducting path.

Please consult Fig. 2, Fig. 3, Fig. 4, Fig. 5 simultaneously; Be respectively the side cutaway view that the three-dimensional exploded view at three-dimensional exploded view, another visual angle of the utility model, side cutaway view that plug does not insert and plug have inserted; Find out by knowing among the figure; When the utility model in use; Earlier plug 4 is inserted towards the butt joint space 31 of shield shell 3, and the conducting terminal 42 at the dull and stereotyped terminal 41 that makes plug 4 the place aheads and rear respectively with signaling module 2 circuit boards 21 on corresponding flexible terminal 22 and contact 212 formation electric connections, yet; Dull and stereotyped terminal 41 is when promoting flexible terminal 22; Its contact site 225 just can contact dull and stereotyped terminal 41, and makes the contact site 225 just can be with elastic arm 224 towards perforation 210 inboard place strains, but because of linking arm 222 push against in hyoplastron 12 to place the springing stroke of 120 internal face places, space when supporting as the contact site 225 of flexible terminal 22 spacing; Simultaneously by linking arm 222 because of receiving circuit board 21 with respect to the surface at contact 212 other side places and the strong fix of hyoplastron 12; And when making flexible terminal 22 be squeezed power, it is welded in each welding ends 221 on the circuit board 21 can excessive deformation and produce that welding ends 221 is peeled off or the disappearance of flexible terminal 22 distortion, and the required stroke of strain up and down can increase contact site 225 butt joints of flexible terminals 22 through perforation 210 time; With the firm inadequately problem of flexible terminal 22 on effective solution circuit board 21, and reach the effect that assembling is easy, the location is firm.

When plug 4 is inserted in the butt joint space 31 of shield shell 3; Its dull and stereotyped terminal 41 just can promote to locate upwards strains in the contact site 225 of flexible terminal 22 towards perforation 210 inboards, yet, if do not have perforation 210 on the circuit board 21; Then the contact site 225 of flexible terminal 22 will directly be held in circuit board 21 bottom surface places; Do not have enough spaces when causing flexible terminal 22 butt joint and can make preferable strain, and then cause making flexible terminal 22 imposed deformations and lose original metallic elasticity, so; Perforation 210 structural designs of the utility model circuit board 21; Strain is moved in the perforation 210 in the time of can providing the contact site 225 of flexible terminal 22 stressed, makes the elastic displacement stroke of flexible terminal 22 become big, and after plug 4 is extracted; The contact site 225 of this flexible terminal 22 just can resilience protrude from perforation 210 outsides of circuit board 21, and has the obvious practical effect of promoting.

See also Fig. 3; Have five contacts 212 and four flexible terminals 22 on the circuit board 21 of above-mentioned signaling module 2; Wherein the middle body of five contacts 212 is a grounding function, and each two contact 212 of central both sides use for the signal transmission, and four flexible terminal 22 both sides are power supply terminal and earth terminal in addition; 22 of two flexible terminals of central authorities are signal transmission use; Hence one can see that, when contact of using when circuit board 21 transmission signals 212 and flexible terminal 22 transmit high-frequency signals, mutual formed Electromagnetic Interference can by the central contact 212 of grounding function with its be connected circuit 211 induced absorption that run through; And guide the splicing ear 23 that transfers to circuit 211 other proceeds posterolateral places and carry out ground connection release, interference such as Electromagnetic Interference (EMI) when transmitting and cross-talk to reduce signal.

See also Fig. 2, Fig. 3, Fig. 5 again; When the utility model inserts at plug 4; The dull and stereotyped terminal 41 that can make the place ahead and the conducting terminal 42 at rear respectively with circuit board 21 on corresponding flexible terminal 22 form with contact 212 and electrically connect; Its contact site 225 is just located strains with elastic arm 224 towards perforation 210 inboards; But because of linking arm 222 push against in hyoplastron 12 to place the springing stroke of 120 internal face places, space when supporting as contact site 225 spacing; And it is welded in each welding ends 221 on the circuit board 21 and can excessive deformation produce and peel off or the disappearance of flexible terminal 22 distortion when making flexible terminal 22 stressed; And the stroke of strain about in the time of can docking through the contact site 225 of perforation 210 increase flexible terminals 22, with the firm inadequately problem of flexible terminal 22 on effective solution circuit board 21, these embodiment are not in order to limit the claim of the utility model; All other do not break away from the equalization of being accomplished under the skill spirit that the utility model discloses to be changed and modifies change, all should be contained in the claim that the utility model contains.

In sum, the described connector terminal structure with circuit board of the utility model can reach its effect and purpose really; So the utility model really is the excellent creation of a practicality, meet the application important document of novel patent in fact, file an application in the whence in accordance with the law; Expect that examining committee grants accurate this case early, ensureing designer's arduous creation, if an ancient unit of weight office have any check doubtful; The indication of please writing to us without sparing, settled the doing one's utmost of designer cooperates, and the true feeling moral is just.

Claims

1. the connector terminal structure of a tool circuit board includes insulating base frame and signaling module, it is characterized in that:

The place, pedestal the place ahead of this insulating base frame is provided with the hyoplastron that tool places the space, and is provided with five holes at least one thread emptying aperture and thread one preset distance place, emptying aperture the place ahead on the hyoplastron surface;

This signaling module has and is positioned at the circuit board that this hyoplastron places the space; And circuit board surface is provided with a plurality of perforation, circuit, contact and weld part; Circuit board is positioned at each perforation place correspondence and is provided with flexible terminal; And the welding ends of each flexible terminal is welded on the circuit board; And welding ends is extended with toward the perforation previous dynasty with respect to rear, the opposite side of contact surface by circuit board and pushes against the linking arm that places internal face place, space in hyoplastron, and this linking arm stretches into a turning point and is positioned at oppositely tiltedly to stretch to have after the perforation again and protrudes from the elastic arm and the contact site at emptying aperture place in detail, and each contact on the circuit board is corresponding to the hole location of this hyoplastron; And all be welded with splicing ear at a plurality of weld parts place at circuit board rear; Four flexible terminals on the circuit board meet the USB2.0 specification, and four flexible terminals add that five contacts in circuit board the place ahead meet the USB3.0 specification, and four flexible terminals and five contacts are connected to nine weld part places that are welded with splicing ear through the circuit on the circuit board and form electrical conducting path.

2. the connector terminal structure of tool circuit board according to claim 1; It is characterized in that; The place, pedestal rear of this insulating base frame is formed with the accommodation space of accommodating signaling module; And be provided with a dividing plate at accommodation space bottom side place, and each the splicing ear correspondence that has power circuit board on the dividing plate is crossing to outside a plurality of open-works.

3. the connector terminal structure of tool circuit board according to claim 1; It is characterized in that; There is shield shell the outside location that coats of this insulating base frame; And shield shell the place ahead is formed with the butt joint space, and makes a plurality of flexible terminals of circuit board and contact be positioned at place, butt joint space, and this shield shell rear is the receiving space of accommodating insulating base frame.

4. the connector terminal structure of tool circuit board according to claim 3 is characterized in that, this shield shell the place ahead all is provided with to the location pins that extends below at receiving space two side bottoms.