CN110247263A

CN110247263A - Electric coupler component

Info

Publication number: CN110247263A
Application number: CN201910519678.3A
Authority: CN
Inventors: 陈志坤; 沈昌泰
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2019-06-17
Filing date: 2019-06-17
Publication date: 2019-09-17

Abstract

The invention discloses a kind of electric coupler components, comprising: a circuit board, including one first face and one second face, and multiple first through hole in connection the first face and the second face；One electric connector, including being located at an insulating body in the first face and set on multiple conductive terminals of insulating body, each conductive terminal has a junction, and junction passes through the first face and enters corresponding first through hole, and electric connector further includes the shielding shell for accommodating insulating body；One shielding part, positioned at the second face, it covers multiple junctions and is electrically isolated with junction, shielding part and shielding shell are electrically connected to each other to form ground connection, shielding part positioned at the second face of circuit board covers multiple junctions of multiple conductive terminals, prevent junction from revealing electromagnetic interference, and shielding part is electrically connected with each other and is grounded with shielding shell, therefore the relatively complete electromagnetic shielding to conductive terminal can be collectively formed in shielding part and shielding shell.

Description

Electric coupler component

[technical field]

The present invention relates to a kind of electric coupler component, the electric coupler component of espespecially a kind of anti-electromagnetic interference.

[background technique]

Existing electric coupler component includes a substrate and the electric connector being disposed on the substrate, and electric connector includes One metal shell of one insulating body, multiple terminals in insulating body and receiving insulating body is to provide electromagnetic screen It covers, wherein the pin of terminal is DIP type pin, i.e., terminal pin passes through substrate to form electrical connection, therefore metal shell is inevitable Can not surround terminal completely, i.e., terminal it is inevitable some be exposed to except metal shell.As technology develops, by terminal institute The signal frequency of transmission is higher and higher and device miniaturization brought by the factors such as various compact arrangements of electrical components shadow It rings, very important ground can be to the entire electrical system of the application electric coupler component for the electromagnetic interference revealed by terminal pin System causes undesirable influence.

Therefore, it is necessary to a kind of electric coupler component of improvement be designed, to overcome the above problem.

[summary of the invention]

For background technique problem encountered, the present invention provides a kind of another sides in circuit board, and a shielding part is arranged Electric coupler component.

To achieve the above object, the present invention uses following technological means:

A kind of electric coupler component a, comprising: circuit board, including one first face and one second face, and connection described the On one side with multiple first through hole in second face；One electric connector, including being located at an insulating body in first face and setting In multiple conductive terminals of the insulating body, each conductive terminal has a junction, and the junction passes through described First face and enter the corresponding first through hole, the electric connector further include accommodate the insulating body a shielding it is outer Shell；One shielding part is located at second face, covers multiple junctions and electrically isolates with the junction, the shielding Part and the shielding shell are electrically connected to each other to form ground connection.

Further, the shielding part includes being affixed on one first of second face and being isolated with second face One second, described first is disposed around second surrounding, projection of multiple junctions on second face Described second is fallen in the projection on second face.

Further, the shielding part is formed by metallic plate punching, and described second protrudes from first institute Plate face.

Further, described first have away from second face one first bottom surface, described second have deviate from One second bottom surface in second face, first bottom surface and second bottom surface flush setting.

It further, further comprise an insulating part, the insulating part is set to multiple junctions and the shielding part Between, and it is electrically isolated the junction and the shielding part.

Further, the shielding part is made of the conductive plastic.

Further, the shielding shell has the multiple pins for connecting the earthed circuit in the circuit board.

Further, the circuit board includes multiple second through-holes for being connected to first face and second face, described Pin passes through second through-hole and contacts the shielding part.

Further, second face is equipped with the multiple conductive spacers for connecting the earthed circuit in the circuit board, described Shielding part contacts the conductive spacer and is electrically connected with realizing with the shielding shell.

Further, the shielding part covers multiple pins.

Further, the electric connector further comprises the filling member formed by conductive plastic, and the filling member is set In first face and surround multiple conductive terminals.

Further, the shield shell has the root edge towards first face, extends to form from the root edge more A pin and the circuit board are electrically connected to form ground connection, and the thickness of the filling member is greater than or equal to the root edge and described the Gap between on one side.

Further, the filling member contacts the shielding shell.

Further, the insulating body includes a pedestal and the rear plug being assembled on rear side of the pedestal, each described Conductive terminal has the contact portion set on the pedestal, and multiple junctions are passed down through the rear plug, the filling member It is fixed on the pedestal and the rear plug.

Compared with prior art, the invention has the following advantages: being located at the screen in the second face of the circuit board Shield covers multiple junctions of multiple conductive terminals, prevents the junction leakage electromagnetic interference, and the screen Shield is electrically connected with each other and is grounded with the shielding shell, therefore the shielding part can be collectively formed with the shielding shell To the relatively complete electromagnetic shielding of the conductive terminal.

[Detailed description of the invention]

Fig. 1 is the perspective view of the first embodiment of electric coupler component of the invention；

Fig. 2 is the optical cable after Fig. 1 is inverted；

Fig. 3 is the stereogram exploded view of electric connector in Fig. 2；

Fig. 4 is the constitutional diagram of Fig. 2；

Fig. 5 is the top view of Fig. 4；

Fig. 6 is the side view after Fig. 1 combination；

Fig. 7 is the cross-sectional view of Fig. 6；

Fig. 8 is the perspective view of the second embodiment of electric coupler component of the invention；

Fig. 9 is that the insulating part in Fig. 8 is mounted on the schematic diagram after circuit board；

Figure 10 is the constitutional diagram of Fig. 9；

Figure 11 is the top view of Figure 10；

Figure 12 is the cross-sectional view of the second embodiment of electric coupler component of the invention.

The drawing reference numeral of specific embodiment illustrates:

100,100 ' circuit board of electric coupler component, 1 first face, 11 second face 12

13 second through-hole of first through hole, 14 ground pad, 15 electric connector 2

21 pedestal of insulating body, 211 base portion, 2111 hyoplastron 2112

2113 rear plug of partition, 212 conductive terminal, 22 contact portion 221

Junction 222 shields 23 procapsid of shell, 231 interface 2311

2312 root edge of bottom opening, 2313 pin, 2314 rear cover 232

24 metalwork of filling member, 25 shielding part 3,3 ' first 31,31 '

First 32,32 ' the second bottom surface of bottom surface 311 ' second, 321 ' accommodating space 33

Insulating part 5 '

[specific embodiment]

Purpose, structure, feature and effect to facilitate the understanding of the present invention etc., now in conjunction with attached drawing and specific implementation The invention will be further described for mode.

It as shown in Figures 1 to 7, is the first embodiment of electric coupler component 100 of the invention comprising a circuit board 1 And it is installed on an electric connector 2 and a shielding part 3 for the circuit board 1.

As depicted in figs. 1 and 2, the circuit board 1 has one first face 11 and relative to the one of first face 11 setting Second face 12, the electric connector 2 are installed on first face 11, and the shielding part 3 is installed on second face 12, is implementing In example, first face 11 is the upper surface of the circuit board 1, and second face 12 is the lower surface of the circuit board 1.It is described Circuit board 1 also has multiple first through hole 13 and multiple second through-holes 14 in connection first face 11 and second face 12, The hole wall of each first through hole 13 and second through-hole 14 is equipped with conductive metal layer (not shown), wherein described the The metal layer of two through-holes 14 is only connected to the earthed circuit of the circuit board 1.Second face 12 has exposed multiple connect Ground gasket 15, the ground pad 15 are also connected to the earthed circuit of the circuit board 1, and in the present embodiment, the shielding part 3 is logical It crosses and contacts the ground pad 15 and be grounded.

As shown in Figure 3 and Figure 7, the electric connector 2 includes an insulating body 21, set on the multiple of the insulating body 21 Conductive terminal 22, a shielding shell 23 of the receiving insulating body 21 and the filling member 24 set on the insulating body 21. The insulating body 21 includes a pedestal 211 and the rear plug 212 for being assembled in 211 rear side of pedestal.The pedestal 231 includes The base portion 2111 that is vertically arranged, two hyoplastrons 2112 protruded out horizontally forward from the base portion 2111 and equally from the base The partition 2113 that portion 2111 protrudes out horizontally forward, the partition 2113 are located between two hyoplastrons 2112, i.e. two institutes It states hyoplastron 2112 and the partition 2113 and is spaced setting on the direction perpendicular to the circuit board 1.The electric connector 2 also wraps The metalwork 25 coated on the partition 2113 is included, the metalwork 25 is as the electromagnetic screen between two hyoplastrons 2112 It covers.

As shown in Fig. 2, Fig. 3 and Fig. 7, multiple conductive terminals 22 include signal terminal, may also comprise ground terminal certainly Terminal for various purposes is arranged according to the demand of the electric connector 2 in son, power supply terminal.Multiple conductive terminals 22 pass through Assembling is fixed in the insulating body 21, and each conductive terminal 22 includes a contact portion 221 and a junction 222, institute State contact portion 221 and be emerging in surface towards the circuit board 1 on the hyoplastron 2112, the junction 222 then along perpendicular to The direction of the circuit board 1 passes through the rear plug 212, and exposes the bottom of the insulating body 21.When the electric connector 2 is pacified Loaded on first face 11, the junction 222 passes through the first through hole 13, and is connected by solder (not shown) by described Portion 222 and the metal layer of the first through hole 13 weld together.In other embodiments, the contact portion 221 can be shown It is exposed at the surface for deviating from the circuit board 1 on the hyoplastron 2112.

As shown in Figure 3 and Figure 7, the shielding shell 23 is made of metallic plate punching, is coated on the insulating body 21 Outside, to form electromagnetic shielding.The shielding shell 23 includes a procapsid 231 and a rear cover 232.The wherein procapsid 231 For frame like structure, the insulating body 21 is surrounded, the procapsid 11 surrounds two hyoplastrons 2112, and the partition 2113 The procapsid 11 is surrounded into the space formed with the metalwork 25 and is separated into two parts, each section includes one of them The hyoplastron 2112 simultaneously forms an interface 2311 of forwards open for a docking connector (not shown) grafting.The procapsid 231 behind portion also there are a bottom opening 2312 and two root edges positioned at 2312 opposite sides of bottom opening 2313, the bottom of the rear plug 212 is revealed in the bottom opening 2312, and multiple junctions 222 are opened by the bottom Mouth 2312 is exposed to except the shielding shell 23.Each root edge 2313 extends downwardly through corresponding second through-hole 14 Two pins 2314, the pin 2314 is the elastic pins of bending, has certain elasticity, and the pin 2314 passes through solder (not shown) and the metal layer of second through-hole 14 weld together, so that the entire shielding shell 23 is grounded.Institute The rear that the rear plug 212 is arranged in rear cover 232 is stated, and the rear cover 232 and the rear portion of the procapsid 231 are fixed, it is described The bottom of rear cover 232 is connected to first face 11, fills up the notch at 231 rear of procapsid, in the present embodiment, described Rear cover 232 is fixed by spot welding and 231 phase of procapsid.

As shown in Fig. 2, Fig. 3 and Fig. 6, the filling member 24 is made of conductive plastic, is located at first face 11 and abuts In first face 11, it is fixed on the pedestal 231 and the rear plug 212 and contacts the shielding shell 23, the filling member 24 surround multiple junctions 222 in first face 11, and in the present embodiment, the filling member 24 is the framework knot of rectangle Structure, the bottom of the bottom of the base portion 2311 and the rear plug 232 by frame in the filling member 24, and the filling member 24 Outer surface is contacted with the inner surface of the shield shell 23.On the direction perpendicular to the circuit board 1, i.e., in up and down direction, The thickness D1 of the filling member 24 is greater than the clearance D 2 between the root edge 2313 and first face 11.In other embodiments In, the thickness D1 of the filling member 24 can also be equal to the clearance D 2 between the root edge 2313 and first face 11, at this time The filling member 24 is contacted with about 2313 root edge.

As shown in Fig. 2, Fig. 4 and Fig. 5, the shielding part 3 is formed by a metallic plate punching, including is covered on described second One first 31 of face 12 and one second 32, described first 31 is disposed around second 32 surrounding, and described second 32 is downwardly projecting in the plate face where described first 31, therefore described second 32 is isolated and is formed with second face 12 A closed accommodating space 33.The projection of multiple junctions 222 and multiple pins 2314 on second face 12 Described second 32 is fallen in the projection on second face 12, therefore protrudes multiple junctions in second face 12 222 and multiple pins 2314 be housed in the accommodating space 33, the pin 2314 downwards with described second 32 Elastic Contact, to be further formed ground connection, multiple junctions 222 be short cut with each other in order to prevent, the shielding part 3 with it is every Setting is isolated in one junction 222, or says, the spacing between described second 32 and second face 12 is greater than institute The distance that junction 222 protrudes from second face 12 is stated, the shielding part 3 can not be contacted with multiple junctions 222, phase It mutually electrically isolates, therefore the shielding part 3 can be electromagnetically shielded the junction 222 in second face 12.

As shown in Figure 2 and Figure 5, each of described first 31 and multiple ground pads 15 are welded by solder Together, to enable the shielding part 3 be mounted on second face 12 and be grounded, and pass through the ground connection of the circuit board 1 Circuit and the shielding shell 23 are grounded jointly.Certainly, in other embodiments, described first 31 and each ground mat It can be also electrically connected in other way between piece 15.

It is the second embodiment of electric coupler component 100 ' of the invention, with first embodiment as shown in Fig. 8 to Figure 12 The difference is that: the electric coupler component 100 ' further comprises the insulating part 5 ' for being attached to second face 12, institute It states insulating part 5 ' second face 12 is coated on by insulated paint and formed, the multiple of protrusion second face 12 are completely covered and described lead Socket part 222, i.e., the thickness of the described insulating part 5 ' are greater than the distance that the junction 222 protrudes from second face 12；And it is described Shielding part 3 ' is made of conductive plastic, is covered in the insulating part 5 ' outside, therefore the shielding part 3 ' has also coated protrusion described Multiple junctions 222 in two faces 12 are formed under the premise of with multiple 222 electrical isolations of junction for multiple institutes State the electromagnetic shielding of junction 222.In the present embodiment, multiple pins 2314 are not only covered by the shielding part 3 ', The shielding part 3 ' is also directly contacted, so that the shielding shell 23 is electrically connected with each other with the shielding part 3 '.In addition, described Have for first 31 ' away from one first bottom surface 311 ' in second face 12, described second 32 ' has away from second face 12 one second bottom surface 321 ', first bottom surface 311 ' flush setting with second bottom surface 321 ', that is to say, that described One 31 ' thickness is greater than the second 32 ' thickness.Since in the first embodiment, described second 32 is led with described Dielectric is used air as between socket part 222, therefore, as long as the insulating properties of insulating materials used in the insulating part 5 ' It can be better than the insulation performance of air, then the potential between the junction 222 and the shielding part 3/3 ' in both embodiments Under the premise of difference is identical, the thickness of the insulating part 5 ' can be less than described second 32 in first embodiment and described the Spacing (i.e. the thickness of air) between two faces 12, can further make the shielding part 3 ' of second embodiment relative to described The protrusion distance in the second face 12 is less than protrusion distance of the shielding part 3 of first embodiment relative to second face 12, subtracts The small occupied space of the entire electric coupler component 100 ' in the up-down direction.

In conclusion electric coupler component of the invention has the following beneficial effects:

1) shielding part 3 positioned at the second face 12 of the circuit board 1 covers the multiple of multiple conductive terminals 22 The junction 222 prevents the junction 222 from revealing electromagnetic interference, and the shielding part 3 and the shielding shell 23 are mutually It is electrically connected and is grounded, therefore the shielding part 3 can be collectively formed with the shielding shell 23 to 22 phase of conductive terminal To complete electromagnetic shielding.

2) filling member 4 surrounds multiple conductive terminals 22, and perpendicular on the direction of the circuit board 1, described The thickness of filling member 4 is greater than or equal to the gap between the root edge 2313 and first face 11, further fills up the screen The gap between shell 23 and the circuit board 1 is covered, the effect of electromagnetic shielding is improved.

3) insulating part 5 ' is set between the shielding part 3 ' and the multiple junction 222, can obtains Better insulation effect simultaneously reduces protrusion distance of the shielding part 3 ' relative to the circuit board 1.

Be described in detail above be only the preferred embodiments of the invention explanation, non-therefore limitation the scope of the patents of the invention, So all equivalence techniques with carried out by this creation specification and diagramatic content change, it is both contained in the scope of the patents of the invention It is interior.

Claims

1. a kind of electric coupler component characterized by comprising

One circuit board, including one first face and one second face, and it is connected to multiple the first of first face and second face Through-hole；

One electric connector, including being located at an insulating body in first face and set on multiple conducting ends of the insulating body Son, each conductive terminal have a junction, and the junction passes through first face and enters corresponding described first Through-hole, the electric connector further include the shielding shell for accommodating the insulating body；

One shielding part is located at second face, covers multiple junctions and electrically isolates with the junction, the shielding Part and the shielding shell are electrically connected to each other to form ground connection.

2. electric coupler component as described in claim 1, it is characterised in that: the shielding part includes being affixed on second face One first and be isolated with second face one second, described first is disposed around second surrounding, multiple Projection of the junction on second face falls in described second in the projection on second face.

3. electric coupler component as claimed in claim 2, it is characterised in that: the shielding part is formed by metallic plate punching, And described second plate face protruded from where described first.

4. electric coupler component as claimed in claim 2, it is characterised in that: described first has away from second face One first bottom surface, described second has away from one second bottom surface in second face, first bottom surface and second bottom Face flushes setting.

5. electric coupler component as described in claim 1, it is characterised in that: further comprise an insulating part, the insulating part Between multiple junctions and the shielding part, and it is electrically isolated the junction and the shielding part.

6. electric coupler component as claimed in claim 5, it is characterised in that: the shielding part is made of the conductive plastic.

7. electric coupler component as described in claim 1, it is characterised in that: the shielding shell, which has, connects the circuit board In earthed circuit multiple pins.

8. electric coupler component as claimed in claim 7, it is characterised in that: the circuit board include be connected to first face and Multiple second through-holes in second face, the pin pass through second through-hole and contact the shielding part.

9. electric coupler component as claimed in claim 7, it is characterised in that: second face, which is equipped with, to be connected in the circuit board Earthed circuit multiple conductive spacers, the shielding part contacts the conductive spacer and electrically connected with realizing with the shielding shell It connects.

10. electric coupler component as claimed in claim 7, it is characterised in that: the shielding part covers multiple pins.

11. electric coupler component as described in claim 1, it is characterised in that: the electric connector further comprises by conduction The filling member that plastic cement is formed, the filling member are set to first face and surround multiple conductive terminals.

12. electric coupler component as claimed in claim 11, it is characterised in that: the shield shell has towards described first One root edge in face extends to form multiple pins from the root edge and the circuit board is electrically connected to form ground connection, the filling member Thickness be greater than or equal to gap between the root edge and first face.

13. electric coupler component as claimed in claim 11, it is characterised in that: the filling member contacts the shielding shell.

14. electric coupler component as claimed in claim 11, it is characterised in that: the insulating body includes a pedestal and assembling A rear plug on rear side of the pedestal, each conductive terminal have a contact portion set on the pedestal, multiple described to lead Socket part is passed down through the rear plug, and the filling member is fixed on the pedestal and the rear plug.