CN201590555U

CN201590555U - Connector

Info

Publication number: CN201590555U
Application number: CN2010200038345U
Authority: CN
Inventors: 林纪伦; 陈灼
Original assignee: SHENZHEN JINUO ELECTRONIC CO Ltd
Current assignee: Dongguan Kino Information Technology Co., Ltd.
Priority date: 2010-01-15
Filing date: 2010-01-15
Publication date: 2010-09-22
Anticipated expiration: 2020-01-15

Abstract

A connector comprises a base, an auxiliary component, a plurality of guide pins and functional adhesive, wherein the base is provided with accommodating space and a plurality of connecting parts positioned at the periphery of the accommodating space; the auxiliary component is accommodated in the accommodating space; the guide pins are provided with connecting ends and functional parts, the connecting ends are connected with the functional parts, and the connecting ends are correspondingly combined at the connecting part of the base; and the functional parts of the guide feet are coated with the functional adhesive. The high-frequency impedance of the guide pins is reduced, and the impedance mismatching is effectively avoided by utilizing the functional adhesive and the auxiliary component; therefore, the integrity and the stability of electrical conductivity of signals are ensured.

Description

Connector

Technical field

The utility model relates to a kind of connector, is meant a kind of connector that reduces high-frequency resistance that is used in especially.

Background technology

Along with electronic industry develops rapidly, the design of modern electronic product has marched toward the high speed circuit layout, and key factor wherein is to transmit the impedance matching of electrical network; Wherein, impedance equals the square root (L and C are respectively inductance and the electric capacity on the online any set point of transmission) of L/C, that is to say that if electric capacity increases, then impedance descends, if inductance increases, then impedance is risen.

Influence a lot of variablees of having of impedance, comprise assembly (connector) on line width, circuit board dielectric thickness, circuit board material, the circuit etc.; This connector is located in the electronic product usually, and is fixed on the circuit board by screw, and utilize the pin solid welding on circuit board to strengthen bed knife, can consult Fig. 1.

As shown in Figure 1, existing connector 1 comprises: pedestal 10, the correspondence with a plurality of connecting holes 101 is bonded to a plurality of lead foots 12 on this connecting hole 101 and is located on this pedestal 10 to be welded on a plurality of pins 14 on the circuit board.

But, existing connector 1 respectively between this lead foot 12 distance minimum, and this

pedestal

10 and 12 of this lead foots have space S; When transmitting high-frequency signal, the inductance of this lead foot 12 is increased, and improve impedance, cause impedance mismatching, to such an extent as to produce problems such as reflection, signal skew and EMI, and then reduce the yield of signal integrity.

Therefore, how to avoid above-mentioned variety of problems of the prior art, become the problem of desiring most ardently solution at present in fact.

The utility model content

In view of above-mentioned many disadvantages of the prior art, main purpose of the present utility model provides a kind of connector that can be used for reducing high-frequency resistance.

For reaching above-mentioned and other purpose, the utility model discloses a kind of connector, comprising: pedestal, and auxiliary member, a plurality of lead foots, and effect glue, wherein, this pedestal has accommodation space and the position a plurality of connecting portions around this accommodation space; This auxiliary member is incorporated in this accommodation space; These a plurality of lead foots have continuous link and service portion, and this link correspondence is bonded on the connecting portion of this pedestal; This effect glue is coated on the service portion of this lead foot.

In the aforesaid connector, this pedestal is the dustpan shape, and this connecting portion is jack, and respectively the link of this lead foot is a needle-like, with order corresponding respectively this jack of pegging graft of this link respectively.

In the aforesaid connector, this auxiliary member surface has a plurality of fins, and this auxiliary member is provided with in the mode of this fin outside this accommodation space respectively, makes described service portion correspondence be fastened on respectively between this fin.

In the aforesaid connector, this lead foot is the L type, and this site of action is above this auxiliary member, and preferably, described lead foot also has the electrical end that connects this service portion, for electrically connecting circuit board.

In addition, aforesaid connector also comprises a plurality of pins, and described pin is located on this pedestal, is arranged on the circuit board for this pedestal; Wherein, this pin is a lamellar body, and this pin has forked portion, to be plugged on this circuit board.

In another embodiment, aforesaid connector also comprises guard member, and in order to being located on the circuit board, and this guard member has the corresponding respectively guide hole of this lead foot, with order corresponding respectively this guide hole that embeds of this lead foot respectively.

As from the foregoing, connector of the present utility model utilizes this effect glue that the inductance of this lead foot is reduced, and reduces high-frequency resistance; Moreover, between this pedestal and lead foot, auxiliary member is set, to reduce the high-frequency resistance of this service portion, effectively avoid impedance mismatching, to guarantee the signal electrically integrality and stability of conduction.

Description of drawings

Fig. 1 is the schematic perspective view of existing connector.

Fig. 2 A is the schematic perspective view of connector of the present utility model.

Fig. 2 B is the perspective exploded view of connector of the present utility model.

Fig. 3 is the perspective exploded view of another embodiment of connector of the present utility model.

Wherein, description of reference numerals is as follows:

1,2 connectors

10,20 pedestals

101 connecting holes

12,22 lead foots

14,24 pins

The 20a supporting bracket

The 20b top board

20c left side side arm

20d right arm body

200 accommodation spaces

201 connecting portions

21 auxiliary members

210 fins

220 links

221 service portions

222 electrically hold

23 effect glue

240 forked portion

25 guard members

250 guide holes

The S space

Embodiment

Below by particular specific embodiment execution mode of the present utility model is described, those skilled in the art can understand other advantage of the present utility model and effect easily by the disclosed content of this specification.

See also Fig. 2 A, Fig. 2 B and Fig. 3, a kind of connector 2 that is provided is provided for it, and it comprises: pedestal 20, auxiliary member 21, lead foot 22 and effect glue 23.

Described pedestal 20 has accommodation space 200 and the position a plurality of connecting portions 201 around this accommodation space 200; In the present embodiment, this pedestal 20 is the dustpan shape, make this accommodation space 200 by supporting bracket 20a, be located at the adjacent top board 20b on this supporting bracket 20a, left side arm 20c and right arm body 20d is constituted; Wherein, respectively this connecting portion 201 is a jack, and is located on the top board 20b.

Described auxiliary member 21 is incorporated in this accommodation space 200, and these auxiliary member 21 surfaces have a plurality of fins 210, make this auxiliary member 21 be provided with in the mode of this fin 210 outside this accommodation space 200 respectively, promptly respectively 210 of this fins are in the sides of the supporting bracket 20a of this pedestal 20 relatively, and order respectively this fin 210 can not touched this supporting bracket 20a; In the present embodiment, respectively this fin 210 is a metal material, to reduce high-frequency resistance.

Described a plurality of lead foot 22 has link 220, the service portion 221 of continuous one and electrically holds 222; In the present embodiment, this lead foot 22 is the L type, and this link 220 is a section after bending, and this service portion 221 is combined into another section with electrical end 222; Wherein, respectively this link 220 is that needle-like is pegged graft as the connecting portion 201 of jack with correspondence, and 221 of described service portions are above this auxiliary member 21, and respectively this service portion 221 is fastened on respectively between this fin 210, electrically end 222 is in order to connect the circuits plate again, and this lead foot 22 electrically connects these circuit boards to make respectively.

Described effect glue 23 is coated on the service portion 221 of this lead foot 22, to reduce high-frequency resistance.

The utility model connector 2 is when the high-frequency transmission signal, utilize this effect glue 23 that the inductance of this lead foot 22 is reduced, and the minimizing high-frequency resistance, and between this pedestal 20 and lead foot 22, auxiliary member 21 is set, to utilize this fin 210 to reduce the high-frequency resistance of this service portion 221, effectively avoid impedance mismatching, and avoid producing reflection, signal skew and EMI problem, and then the raising yield, to guarantee the signal electrically integrality and stability of conduction.

Described connector 2 also comprises a plurality of pins 24, is installed on the bottom of left and right

side arm body

20c, 20d of this pedestal 20, is arranged on this circuit board for these pedestal 20 welding; In the present embodiment, this pin 24 is a lamellar body, and this pin 24 has forked portion 240, is beneficial to this pin 24 and plants and be positioned on this circuit board.

See also the 3rd figure, it shows another embodiment of connector of the present utility model; The difference of present embodiment and the foregoing description only is to set up guard member 25, and the design of the connector 2 that all the other are relevant is all roughly the same, and the therefore no longer structure and the function of the identical part of repeat specification below only illustrate its different place, chat bright hereby.

Described connector 2 also comprises the guard member 25 that is located on the circuit board, and this guard member 25 has the corresponding respectively guide hole 250 of this lead foot 22, with order these lead foot 22 corresponding respectively these guide holes 250 that embed respectively, with fixing and protection this lead foot 22 respectively; When these connector 2 transmitting high-frequency signals, utilize this guard member 25 that the inductance of this lead foot 22 is reduced, and reduce high-frequency resistance.

In sum, connector of the present utility model utilizes this effect glue and auxiliary member to make this lead foot reduce high-frequency resistance, effectively avoids impedance mismatching, to guarantee the signal electrically integrality and stability of conduction.

The foregoing description is in order to illustrative principle of the present utility model and effect thereof, but not is used to limit the utility model.Any those skilled in the art all can make amendment to the foregoing description under the prerequisite of spirit of the present utility model and category.So the protection range of claim of the present utility model, should be listed as claims of the present utility model.

Claims

1. a connector is characterized in that, this connector comprises:

Pedestal, this pedestal have accommodation space and the position a plurality of connecting portions around this accommodation space;

Auxiliary member, this auxiliary member are incorporated in this accommodation space;

A plurality of lead foots, these a plurality of lead foots have continuous link and service portion, and this link correspondence is bonded on the connecting portion of this pedestal; And

Effect glue, this effect glue is coated on the service portion of this lead foot.

2. connector as claimed in claim 1 is characterized in that, this pedestal is the dustpan shape.

3. connector as claimed in claim 1 is characterized in that, the connecting portion of this pedestal is a jack, and respectively the link of this lead foot is a needle-like, to make respectively corresponding respectively this jack of pegging graft of this link.

4. connector as claimed in claim 1 is characterized in that, this auxiliary member surface has a plurality of fins, and this auxiliary member is provided with in the mode of this fin outside this accommodation space respectively.

5. connector as claimed in claim 4 is characterized in that, described service portion correspondence is fastened on respectively between this fin.

6. connector as claimed in claim 1 is characterized in that, this lead foot is the L type, and this site of action is above this auxiliary member.

7. connector as claimed in claim 1 is characterized in that, described lead foot also has the electrical end that connects this service portion, for electrically connecting circuit board.

8. connector as claimed in claim 1 is characterized in that this connector also comprises a plurality of pins, and described pin is located on this pedestal, is arranged on the circuit board for this pedestal.

9. connector as claimed in claim 8 is characterized in that, this pin is a lamellar body.

10. connector as claimed in claim 8 is characterized in that this pin has forked portion, to be plugged on this circuit board.

11. connector as claimed in claim 1 is characterized in that, this connector also comprises guard member, and in order to being located on the circuit board, and this guard member has the corresponding respectively guide hole of this lead foot, with order corresponding respectively this guide hole that embeds of this lead foot respectively.