CN1320703C

CN1320703C - Board-to-board connector

Info

Publication number: CN1320703C
Application number: CNB2005100589318A
Authority: CN
Inventors: 张启昌
Original assignee: Via Technologies Inc
Current assignee: Via Technologies Inc
Priority date: 2005-03-25
Filing date: 2005-03-25
Publication date: 2007-06-06
Anticipated expiration: 2025-03-25
Also published as: CN1667877A

Abstract

The present invention relates to a board-to-board connector, which comprises a socket and a plug, wherein the socket comprises a plurality of first transmission stitches which are arranged in an insulating base; one end of each first transmission stitch is connected with a first circuit board and the other end is arranged in the insulating base; the plug comprises a plurality of second transmission stitches and an insulating body covers the main body of each second transmission stitch; the main bodies of the second transmission stitches are separated and a shielding body covers each insulating body; one end of each second transmission stitch is connected with a second circuit board and the other end is inserted into the insulating base of the socket and is electrically connected with each first transmission stitch. When the first circuit board and the second circuit board transfer signals at high speed by means of the insulating bodies and the shielding bodies, the interference of electromagnetic waves can be inhibited and transmission quality can not be influenced. The present invention has the advantages of simple structure and low production cost and can simply produce board-to-board connectors with different heights.

Description

Board to board connector

Technical field

The present invention is relevant a kind of connector, detailed a kind of board to board connector of finger, and it is simple in structure and when the high-speed transfer signal, can effectively suppress Electromagnetic Interference.

Background technology

Because development in science and technology is quick, high-tech product is weeded out the old and bring forth the new, numerous sci-tech products are all strong towards calculation function, volume is little, the direction that extendibility is high strides forward, therefore the circuit board of sci-tech product mostly is provided with expansion now, the board to board connector of linkage function, as joint between two circuit boards and electric connection, make the main circuit plate can additionally link a circuit board, most now board to board connector, it is complex structure, the cost of manufacture height, so when selecting to make the height of board to board connector, mostly only select height commonly used, so cause the user to be difficult for buying the comparatively board to board connector of special height, along with the computing of processor and the lifting of transmission signals speed, will follow electromagnetic interference in addition, the board to board connector that is used for high-speed transfer now still can't effectively suppress electromagnetic interference, makes the quality of transmission signals reduce.

See also Fig. 1 and Fig. 2, it is stereogram that has board to board connector now and the constitutional diagram that is arranged at circuit board thereof; As shown in Figure 1, it includes a socket 10 and a plug 20, socket 10 includes a main body 13, it is for insulator and be provided with a groove 16, a plurality of first transmission pins 19 are arranged at two madial walls of groove 16 and extend to the bottom of main body 13, plug 20 includes a main body 23, it is for insulator and be provided with a projection 26, a plurality of second transmission pins 29 are arranged at two lateral walls of projection 26 and extend to the bottom of main body 23, be located at main body 13, first transmission pins 19 of 23 two bottom sides and second transmission pins 29 are respectively in order to connect a first circuit board 30 and a second circuit board 40.

When desire connects second circuit board 40 to first circuit board 30, only the projection 26 of plug 20 to be inserted into the groove 16 of socket 10, first transmission pins 19 of 16 liang of madial walls of second transmission pins 29 and groove of 26 liang of lateral walls of projection is contacted, so get final product transmission signals between first circuit board 30 and the second circuit board 40, the complex structure of the socket 10 of existing board to board connector and plug 20 as shown in the figure, and also be difficult for being provided with first transmission pins 19 and second transmission pins 29, so cause and reduce production efficiency and improve production cost, so when selecting to make the height of board to board connector, mostly only select height commonly used.

See also Fig. 3, it is the stereogram of another existing board to board connector; As shown in the figure, this existing board to board connector includes a socket 50 and a plug 60, socket 50 includes an insulating base 53, it is provided with a plurality of jacks 55 and a plurality of first transmission pins 59, one end of first transmission pins 59 is used to connect first circuit board 30, the other end of each second transmission pins 59 then is positioned at jack 55, and plug 60 includes a upper fixed seat 63 and a lower fixed seat 66, a plurality of second transmission pins 69 are arranged in upper fixed seat 63 and lower fixed seat 66, one end of second transmission pins 69 is used to connect second circuit board 40, the other end of second transmission pins 69 then is used to be plugged in the jack 55 of socket 50, can electrically contacting with first transmission pins 59, so first circuit board 30 gets final product transmission signals with second circuit board 40, though this embodiment is simple in structure, but when the high-speed transfer signal, but can't effectively suppress Electromagnetic Interference, and influence the quality of signal transmission.

Therefore the invention provides a kind of board to board connector, it is not only simple in structure, processing procedure is easy, can significantly reduce cost of manufacture, the Electromagnetic Interference that is taken place in the time of more can preventing the high-speed transfer signal, promote the quality of high-speed transfer signal, solving the above problems.

Summary of the invention

Main purpose of the present invention is to provide a kind of board to board connector, and it is simple in structure, and processing procedure is easy, and production cost is low, so but easy making is produced the board to board connector of differing heights, promptly have higher production elasticity.

Another object of the present invention is to provide a kind of board to board connector, and it is when the high-speed transfer signal, can effectively suppress Electromagnetic Interference, and then promotes the transmission quality of high-speed transfer signal.

The invention provides a kind of board to board connector, it includes a socket and a plug, and socket includes an insulating base, and it is inserted with a plurality of first transmission pins, and an end of first transmission pins is used to connect establishes a first circuit board, and the other end then is positioned at insulating base; Plug then includes a plurality of second transmission pins, an insulator and shield, insulator is the main body that is coated on second transmission pins, and shield is coated on insulator, one end of second transmission pins is used to connect establishes a second circuit board, the other end is used to be plugged in insulating base, electrically to contact with first transmission pins, with transmission signals, the electromagnetic interference that the present invention is produced in the time of can being suppressed at transmission signals by insulator and shield, the present invention is simple in structure, processing procedure is simple and easy, and production cost is low, so board to board connector that can simple and easy production differing heights.

Description of drawings

Fig. 1 is the stereogram of existing board to board connector;

Fig. 2 is arranged at the constitutional diagram of circuit board for existing board to board connector;

Fig. 3 is the stereogram of another existing board to board connector;

Fig. 4 is the stereogram of the embodiment of the invention;

Fig. 5 A is the partial sectional view of the plug of the embodiment of the invention;

Fig. 5 B is the cutaway view of Fig. 5 AA-A direction;

Fig. 6 is arranged at the constitutional diagram of circuit board for the embodiment of the invention;

Fig. 7 is for making the stereogram of each step of plug of the present invention;

Fig. 8 A is the stereogram of another embodiment of the present invention; And

Fig. 8 B is the cutaway view of Fig. 8 AB-B direction.

Symbol description:

10 sockets

13 main bodys

16 grooves

19 first transmission pins

20 plugs

23 main bodys

26 projections

29 second transmission pins

30 first circuit boards

40 second circuit boards

50 sockets

53 insulating bases

55 jacks

59 first transmission pins

60 plugs

63 upper fixed seats

66 lower fixed seats

69 second transmission pins

70 sockets

72 insulating bases

74 jacks

76 first transmission pins

80 plugs

82 upper fixed seats

83 lower fixed seats

85 second transmission pins

86 location divisions

87 insulators

88 shields

89 shell bodies

90 first circuit boards

95 second circuit boards

Embodiment

Further understand and understanding for your juror is had architectural feature of the present invention and the effect reached, sincerely help with preferred embodiment and cooperate detailed explanation, illustrate as after:

See also Fig. 4, Fig. 5 A and Fig. 5 B, it is the stereogram of the embodiment of the invention, the partial sectional view of plug and the cutaway view of Fig. 5 AA-A direction; Board to board connector of the present invention includes a socket 70 and a plug 80, socket 70 includes an insulating base 72, it is provided with a plurality of jacks 74 and a plurality of first transmission pins 76, one end of first transmission pins 76 is positioned at jack 74, the other end then exposes to this insulating base 72, is located at circuit board to be used to connect.

Plug 80 includes a upper fixed seat 82 and a lower fixed seat 83, upper fixed seat 82 is an insulator with lower fixed seat 83, nylon (Nylon) seat for example, a plurality of second transmission pins 85 are arranged in upper fixed seat 82 and lower fixed seat 83, the top stitch of second transmission pins 85 and bottom stitch are to wear out upper fixed seat 82 and lower fixed seat 83 respectively, the top stitch is to be used to connect be located at another circuit board, establish conveniently in order to connect, the top stitch is provided with a location division 86 of turnover, be filled with an insulator 87 between top stitch and the bottom stitch, to coat the main body of each second transmission pins 85, the main body of promptly isolating each second transmission pins 85, insulator 87 can be for example nylon (Nylon), and insulator 87 is coated with a shield 88, with shielding electromagnetic wave, suppress electromagnetic interference, shield 88 is a metallic object, and for example aluminium foil is provided with shell bodies 89 outside the shield 88.

See also Fig. 6, it is arranged at the constitutional diagram of circuit board for the present invention; As shown in the figure, the socket 70 of board to board connector of the present invention, be connected in a first circuit board 90 by first transmission pins 76, and be arranged at

first circuit board

90,80 top stitch by second transmission pins 85 of plug are connected in a second circuit board 95, and be arranged at second circuit board 95, when first circuit board 90 desires expand use second circuit board 95, promptly need are inserted in the bottom stitch of second transmission pins 85 of plug 80 jack 74 of socket 70, first transmission pins 76 is contacted with second transmission pins 85, so get final product transmission signals between first circuit board 90 and the second circuit board 95.

See also Fig. 7, it is for making the stereogram of each step of plug of the present invention; As shown in the figure, at first second transmission pins 85 is set by upper fixed seat 82 and lower fixed seat 83 location, also can only use a holder to locate second transmission pins 85 is set, the location division 86 of turnover can be set because of second transmission pins 85, so that second transmission pins 85 is inserted in second circuit board 95, so in order to allow the conveniently recognized plug 80 of user be inserted in the direction of socket 70 and second circuit board 95, can use the holder of different colours, plug direction with differentiation, as upper fixed seat 82 is black, and lower fixed seat 83 is ivory white.

Then, use insulator 87 to be coated between the top stitch and bottom stitch of second transmission pins 85, make the main body of second transmission pins 85 isolate mutually and do not disturb; Afterwards, use shield 88 to be coated on insulator 87,, can suppress electromagnetic interference and influence the quality of high-speed transfer signal to allow the present invention when the high-speed transfer signal; At last, use shell body 89 to coat shields 88, be subjected to be directed at after the external force damage to avoid plug 80.

See also Fig. 8 A and Fig. 8 B, it is the stereogram of another embodiment of the present invention and the cutaway view of Fig. 8 A B-B direction; As shown in the figure, the present invention also can not need be provided with upper fixed seat 82 and lower fixed seat 83, and directly use the tool location to arrange a plurality of second transmission pins 85, then be coated on the main body of each transmission pins 85 again with insulator 87, promptly in regular turn shield 88 and shell body 89 be coated on insulator 87 afterwards.

In sum, board to board connector of the present invention is simple in structure, processing procedure is simple and easy,, and has higher production elasticity, plug of the present invention in addition so but easy making is produced the board to board connector of differing heights, because of having insulator to coat second transmission pins and shield being set outside insulator, so, the present invention can effective shield electromagnetic interference when the high-speed transfer signal.

The above, it only is a preferred embodiment of the present invention, be not to be used for limiting scope of the invention process, change and modification according to the described shape of the present patent application claim, structure, feature and spiritual institute are impartial for it such as, all should be included in the claim of the present invention.

Claims

1, a kind of board to board connector, it includes a socket and a plug, and this socket includes:

One insulating base;

A plurality of first transmission pins are arranged in this insulating base, and an end of this first transmission pins is used to be arranged on a first circuit board, and the other end is positioned at this insulating base;

This plug includes:

A plurality of second transmission pins;

One insulator coats the main body of each this second transmission pins, isolates the main body of each this second transmission pins;

One shield coats this insulator; And

At least one holder, this second transmission pins is fixedly arranged on this holder, and this holder is embedded in this insulator;

Wherein, an end of this second transmission pins is used to be arranged on a second circuit board, and the other end of this second transmission pins is used to be plugged in this insulating base and this first transmission pins is electrically connected.

2, board to board connector according to claim 1, wherein this insulating base more is provided with a plurality of jacks, plugs for this second transmission pins.

3, board to board connector according to claim 1, wherein this holder includes a upper fixed seat, and this upper fixed seat sets firmly the top stitch of this second transmission pins, and this upper fixed seat is embedded in the top of this insulator.

4, board to board connector according to claim 1, wherein this holder includes a lower fixed seat, and this lower fixed seat sets firmly the bottom stitch of this second transmission pins, and this lower fixed seat is embedded in the below of this insulator.

5, board to board connector according to claim 3, wherein this holder is a nylon seat.

6, board to board connector according to claim 1, wherein this plug is used to be arranged on second transmission pins of this second circuit board, more is provided with a location division of turnover.

7, board to board connector according to claim 1, wherein this insulator is a nylon.

8, board to board connector according to claim 1, wherein this shield is a metallic object.

9, board to board connector according to claim 8, wherein this metallic object is an aluminium foil.

10, board to board connector according to claim 1, wherein this plug more includes a shell body, and this shell body is coated on outside this shield.