CN202308411U

CN202308411U - Electric connector

Info

Publication number: CN202308411U
Application number: CN2011203976879U
Authority: CN
Inventors: 林文伟
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2011-10-19
Filing date: 2011-10-19
Publication date: 2012-07-04
Anticipated expiration: 2021-10-19

Abstract

The utility model provides an electric connector, comprising an insulating body and a metal shell. The insulating body is equipped with an accommodating cavity having an upward opening, a fixing terminal is arranged at the bottom of the accommodating cavity, and a mobile terminal is arranged in the accommodating cavity and is located above the fixing terminal; the metal shell is equipped with a bottom plate covering above the insulating body. According to the electric connector of the utility model, the fixing terminal is arranged at the bottom of the accommodating cavity of the insulating body, and the bottom plate of the metal shell covers above the insulating body to be far away from the fixing terminal, thereby reducing the high frequency interference influences.

Description

Electric connector

Technical field

The utility model relates to a kind of electric connector, relates in particular to a kind of coaxial electric coupler with detecting terminal group.

Background technology

At present, a kind of coaxial electric coupler with detecting terminal group that industry occurs is to disclose a kind of coaxial electric coupler with detecting terminal group in patent specification and the accompanying drawing 3 of CN2760788Y like Chinese notification number; Comprise a metal shell 1, one insulator 2, one terminal bases 3; Said terminal base 3 comprises a glue core 31, and glue core 31 is provided with a host cavity 311, one detecting terminal group and comprises that a fixed terminal 33 and a movable terminal 32 are contained in the said host cavity 311; Said insulator 2 is located at said host cavity 311 tops of said terminal base 3, and said metal shell 1 is provided with the top that a base plate 11 is covered in said insulator 2, extends upward a socket part 13 by base plate 11; Bend the periphery that the coating portion 111 of extension and a stop section 112 are coated on said insulator 2 respectively downwards by said base plate 11 both sides; Said fixed terminal 33 is positioned at the top of said movable terminal 32 and each other butt is to realize detecting function, and in this electric connector, the said socket part 13 of said metal shell 1 is because of being to be extended upward by said base plate 11; So away from said fixed terminal 33; Said coating portion 111 and said stop section 112 are said glue core 31 peripheries that are positioned at said fixed terminal 33 both sides, and also away from said fixed terminal 33, and said base plate 11 is positioned at directly over the host cavity 311; Said fixed terminal 33 is again the top that is positioned at said host cavity 311; So the distance between said base plate 11 and the said fixed terminal 33 is very approaching, this coaxial electric coupler in use because there is electric current to flow through said fixed terminal 33; Can produce an electric field; The said base plate 11 of said metal shell 1 disturbs so can in electric field, can produce near said fixed terminal 33, influences the high frequency performance in the signal transmission.

Therefore, be necessary to design a kind of novel electric connector, to overcome above-mentioned defective.

Summary of the invention

To the problem that background technology faced, the purpose of the utility model is to provide a kind of electric connector that reduces the High-frequency Interference influence.

To achieve these goals, the utility model electric connector adopts following technical scheme:

A kind of electric connector; Comprise: an insulating body, said insulating body are provided with a host cavity of upward opening, and a fixed terminal is located at the bottom in the said host cavity; One moves terminal is located in the said host cavity and is positioned at said fixed terminal top; One metal shell is provided with a base plate, and said base plate covers the top in said insulating body.

Further, said mobile terminal is provided with a fixed part, and said fixed part connects a top-joining part, and said top-joining part connects an abutting part forward, and said abutting part connects a cantilever forward, and said cantilever contacts with said fixed terminal.

Further, said fixed terminal is provided with a contact-making surface, said contact-making surface can with said mobile termination contact, the relative another side of said contact-making surface is a solder side.

Further, run through the bottom in the said host cavity downwards and be provided with a groove, said fixed terminal is located in the said groove.

Further, said fixed terminal embeds and takes shape in the said insulating body.

Further, be provided with a base portion between said fixed part and the said top-joining part, the inner bottom surface of said host cavity upwards protrudes out one first support portion, and said base portion is supported in said first support portion.

Further, the inner bottom surface of said host cavity upwards protrudes out one second support portion, and said abutting part is supported in said second support portion.

Further, be provided with a junction between said top-joining part and the said abutting part, the peak of said connecting portion is higher than said second support portion.

Further, said fixed part connects said top-joining part through at least one linking arm.

Further, said linking arm is a pair of and is positioned at said top-joining part periphery, and the outside of the inboard of said linking arm and said top-joining part is provided with a determining deviation.

Further, said abutting part bends to said host cavity inner bottom surface, and said abutting part bends downwards and extends said cantilever.

Further, said insulating body is interior to having a pressing down section towards said host cavity, and said pressing down section presses on the said abutting part.

Further, said top-joining part is the arcuation that makes progress, and the inner bottom surface of said host cavity upwards is convexly equipped with a boss, and said boss is positioned under the said top-joining part.

Further, be provided with a support portion that presses down to lower convexity between said fixed part and the said top-joining part.

Further, said base plate is provided with a through hole, and said through hole is communicated with up and down with said host cavity.

Compared with prior art; Fixed terminal is located at the bottom of insulating body host cavity, and the base plate of metal shell covers in the insulating body top, away from fixed terminal; Thereby in electric connector uses; Electric current flows through fixed terminal and produces electric field, and the base plate apart from each other of metal shell can not produce High-frequency Interference in electric field, can not influence the high frequency performance in the signal transmission.

Purpose, shape, structure, characteristic and effect thereof for ease of to the utility model all can have further understanding and understanding, combine embodiment and accompanying drawing to elaborate at present.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model electric connector first embodiment;

Fig. 2 is the three-dimensional assembly diagram of the utility model electric connector first embodiment;

Fig. 3 is the cross section view before the utility model electric connector first embodiment banjo inserts;

Fig. 4 is the cross section view after the utility model electric connector first embodiment banjo inserts;

Fig. 5 is the three-dimensional exploded view of the utility model electric connector second embodiment;

Fig. 6 is the cross section view before the utility model electric connector second embodiment banjo inserts;

Fig. 7 is the cross section view after the utility model electric connector second embodiment banjo inserts;

Fig. 8 is the three-dimensional exploded view of the utility model electric connector the 3rd embodiment;

Fig. 9 is the cross section view before the utility model electric connector the 3rd embodiment banjo inserts;

Figure 10 is the cross section view after the utility model electric connector the 3rd embodiment banjo inserts.

The drawing reference numeral of embodiment:

Insulating body 1 upper cover body 11 pedestals 12

110 spliced eyes, 111 chassis 112, cylinder socket part

Button is held piece 113 pressing down sections 1130 host cavities 120

121 second support portions, first support portion, 122 grooves 123

Button is held groove 124 boss 125

Fixed end son 2 contact-making surfaces 21 solders side 22

Move terminal 3 fixed parts 31 weld parts 32

Base portion 33 top-joining parts 34 connecting portions 35

Abutting part 36 cantilevers 37 linking arms 38

Press down support portion 39

Metal shell 4 base plates 41 manholes 42

43 coating portions of cylindrical sleeve portion, 44 stop sections 45

[embodiment]

Below in conjunction with accompanying drawing and specific embodiment the utility model electric connector is described further.

Please with reference to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, be first embodiment of the electric connector of the utility model, it comprises that an insulating body 1, a fixed terminal 2, move a terminal 3 and a metal shell 4.

Please with reference to Fig. 1, Fig. 3 and Fig. 4; Said insulating body 1 comprises a upper cover body 11 and a pedestal 12; Said upper cover body 11 is provided with a cylinder socket part 110; 110 centers, said cylinder socket part are provided with the said upper cover body 11 of spliced eye 111 up/down perforations; 110 lower ends, said cylinder socket part are provided with a chassis 112, and piece 113 is held to extending below a plurality of buttons in 112 bottom surfaces, said chassis, and said pedestal 12 is provided with a host cavity 120; The inner bottom surface of said host cavity 120 upwards protrudes out at a distance of certain distance and relative one first support portion 121 and one second support portion 122; Said spliced eye 111 is located directly between said first support portion 121 and said second support portion 122, the side direction of said host cavity 120 in said second support portion 122 have one run through the bottom groove 123, the side of said pedestal 12 in said first support portion 121 is provided with a button and holds groove 124.

Please with reference to Fig. 1, Fig. 3 and Fig. 4; Said fixed terminal 2 embeds and takes shape in the said groove 123; It is provided with a contact-making surface 21 in said host cavity 120; Said contact-making surface 21 can contact with said mobile terminal 3, and the relative another side of said contact-making surface 21 is a solder side 22, and said solder side 22 is exposed to the outside of said groove 123 and can welds with circuit board (not shown).

Please with reference to Fig. 1, Fig. 3 and Fig. 4; Said mobile terminal 3 is located in the said host cavity 120 and is positioned at the top of said fixed terminal 2; It is provided with a fixed part 31; The weld part 32 that said fixed part 31 1 ends bending extension one is exposed to said pedestal 12 outer bottoms can weld with circuit board (not shown), and the other end extends a base portion 33 forward, said base portion 33 downward-sloping extension one top-joining parts 34; Said top-joining part 34 is the connecting portion 35 of bending extension one bending shape upwards; Said connecting portion 35 extends an abutting part 36, and said abutting part 36 is to extending below a cantilever 37, and said fixed part 31 is located at said button and is held in the groove 124; The top of said pedestal 12 is located on the chassis 112 of said upper cover body 11; Said button on the said chassis 112 is held piece 113 and is held in said button and holds in the groove 124 gripping the said fixed part 31 of said mobile terminal 3, the said button of relative another hold piece 113 be located at said pedestal 12 groove 123 the top and and said fixed terminal 2 between be provided with certain space, the said spliced eye 111 of said upper cover body 11 communicates up and down with the said host cavity 120 of said pedestal 12; Said base portion 32 is supported in said first support portion 121 of said pedestal 12; Said abutting part 36 is supported in said second support portion 122 of said pedestal 12, and the peak of said connecting portion 35 is higher than said second support portion 122, and said cantilever 37 can contact with the said contact-making surface 21 of said fixed terminal 2.

Please see figures.1.and.2; Said metal shell 4 is provided with a base plate 41; Said base plate 41 is provided with a manhole 42; Said manhole 42 extends upward a cylindrical sleeve portion 43, and said base plate 41 corresponding said pedestals 12 are not provided with the both sides one coating portion 44 of bending downwards that said groove 123 and said button are held groove 124, said coating portion 44 stop section 45 that bends inwards; Said metal shell 4 is coated on the periphery of said upper cover body 11 and said pedestal 12; Said base plate 41 covers in the top of said upper cover body 11, and said cylindrical sleeve portion 43 is sheathed on 110 peripheries, said cylinder socket part of said upper cover body 11, and said manhole 42 communicates up and down with said spliced eye 111 and said host cavity 120; Said coating portion 44 is coated on the both sides of said pedestal 12, and said stop section 45 is fastened on said pedestal 12 outer bottoms with said metal shell 4 of fixing and said pedestal 12.

Please with reference to Fig. 3 and Fig. 4, when banjo did not insert said electric connector, the said cantilever 37 of said mobile terminal 3 contacted with the said contact-making surface 21 of said fixed terminal 2; When banjo inserts said electric connector; The said top-joining part 34 of said mobile terminal 3 moves down after receiving the power that applies of plug, rotates along said first support portion 121 of said pedestal 12 thereby drive said abutting part 36, moves upward away from the said contact-making surface 21 of said fixed terminal 2 under the drive of the said cantilever 37 of said mobile terminal 3 when said abutting part 36 rotates; And separate with it; Thereby can know that banjo inserts, reach the effect of detecting in proper order.

Please with reference to Fig. 5, Fig. 6 and Fig. 7; Second embodiment for the electric connector of the utility model; It comprises that an insulating body 1, a fixed terminal 2, move a terminal 3 and a metal shell 4, and wherein said insulating body 1, said fixed terminal 2 and said metal shell 4 are identical with structure among first embodiment, no longer elaborate at this; And difference is the structure of said mobile terminal 3, so following to one detailed description of said mobile terminal 3 dos.

Please with reference to Fig. 5; Said mobile terminal 3 is located in the said host cavity 120 and is positioned at the top of said fixed terminal 2, and it is provided with a fixed part 31, and said fixed part 31 1 ends bending is extended a weld part 32 and can be welded with circuit board (not shown); The other end extends a base portion 33 forward; Said base portion 33 extends two linking arms 38 forward, and the end of said two linking arms 38 extends the top-joining part 34 of a semicircle between said two linking arms 38, and outside the semicircle of said the top-joining part 34 and inboard of said two linking arms 38 is provided with certain spacing; Said top-joining part 34 extends an abutting part 36 forward, and said abutting part 36 is to extending below a cantilever 37.

Please with reference to Fig. 6 and Fig. 7; When banjo does not insert said electric connector; The said cantilever 37 of said mobile terminal 3 contacts with the said contact-making surface 21 of said fixed terminal 2, and when banjo inserted said electric connector, the semicircular said top-joining part 34 of said mobile terminal 3 moved down after receiving the power that applies of plug; Thereby driving said abutting part 36 rotates along said first support portion 121 of said pedestal 12; Move upward away from the said contact-making surface 21 of said fixed terminal 2 under the drive of the said cantilever 37 of said mobile terminal 3 when said abutting part 36 rotates, and separate with it, thereby can know; Banjo inserts, reaches the effect of detecting in proper order.

Please with reference to Fig. 8, Fig. 9 and Figure 10, be the 3rd embodiment of the electric connector of the utility model, it comprises that an insulating body 1, a fixed terminal 2, move a terminal 3 and a metal shell 4.

Please with reference to Fig. 8 to Figure 10; Said insulating body 1 comprises a upper cover body 11 and a pedestal 12; Said upper cover body 11 is provided with a

cylinder socket part

110, and 110 centers, said cylinder socket part are provided with the said upper cover body 11 of spliced eye 111 up/down perforations, and 110 lower ends, said cylinder socket part are provided with a chassis 112; Piece 113 is held to extending below a plurality of buttons in 112 bottom surfaces, said chassis; A said button is held on the piece 113 to extending below splenium 1130, and said pedestal 12 is provided with a host cavity 120, and the inner bottom surface of said host cavity 120 upwards protrudes out a boss 125; Said host cavity 120 in a side direction of said boss 125 have one run through the bottom groove 123, said pedestal 12 is provided with a button in the opposite side of said relatively groove 123 and holds groove 124.

Please with reference to Fig. 8, Fig. 9 and Figure 10; Said fixed terminal 2 embeds and takes shape in the said groove 123; It is provided with a contact-making surface 21 in said host cavity 120; Said contact-making surface 21 can contact with said mobile terminal 3, and the relative another side of said contact-making surface 21 is a solder side 22, and said solder side 22 is exposed to the outside of said groove 123 and can welds with circuit board (not shown).

Please with reference to Fig. 8, Fig. 9 and Figure 10; Said mobile terminal 3 is located in the said host cavity 120 and is positioned at the top of said fixed terminal 2; It is provided with a fixed part 31; The weld part 32 that said fixed part 31 1 ends bending extension one is exposed to said pedestal 12 outer bottoms can weld with circuit board (not shown); The other end extends a top-joining part 34, be provided with between said fixed part 31 and the said top-joining part 34 one to said host cavity 120 inner bottom surfaces protruding press down support portion 39, said top-joining part 34 be positioned at said pedestal 12 boss 125 directly over; Said top-joining part 34 extends an abutting part 36 to the bending of said host cavity 120 bottom surfaces; Said abutting part 36 extends a cantilever 37 forward, and said fixed part 31 is located at said button and is held in the groove 124, and the top of said pedestal 12 is located on the said chassis 112 of said upper cover body 11; Said button on the said chassis 112 is held piece 113 and is held in said button and holds in the groove 124 to grip the said fixed part 31 of said mobile terminal 3; Relative to another said button said pressing down section 1130 of holding piece 113 be butted on directly over the said said abutting part 36 that moves terminal 3, the said spliced eye 111 of said upper cover body 11 communicates up and down with the said host cavity 120 of said pedestal 12, said cantilever 37 can contact with the said contact-making surface 21 of said fixed terminal 2.

Please with reference to Fig. 8, Fig. 9 and Figure 10; Said metal shell 4 is provided with a base plate 41; Said base plate 41 is provided with a manhole 42; Said manhole 42 extends upward a cylindrical sleeve portion 43, and said base plate 41 corresponding said pedestals 12 are not provided with the both sides one coating portion 44 of bending downwards that said groove 123 and said button are held groove 124, said coating portion 44 stop section 45 that bends inwards; Said metal shell 4 is coated on the periphery of said upper cover body 11 and said pedestal 12; Said base plate 41 covers in the top of said upper cover body 11, and said cylindrical sleeve portion 43 is sheathed on 110 peripheries, said cylinder socket part of said upper cover body 11, and said manhole 42 communicates up and down with said spliced eye 111 and said host cavity 120; Said coating portion 44 is coated on the both sides of said pedestal 12, and said stop section 45 is fastened in said pedestal 12 outer bottoms with said metal shell 4 of fixing and said pedestal 12.

Please with reference to Fig. 9 and Figure 10, when banjo did not insert said electric connector, the said cantilever 37 of said mobile terminal 3 contacted with the said contact-making surface 21 of said fixed terminal 2; When banjo inserts said electric connector; The said top-joining part 34 of said mobile terminal 3 receives moving down after the power that applies of plug and presses on the 125 last times of said boss that are positioned at the said pedestal 12 under it, and the said support portion 39 that presses down presses on the inner bottom surface of said pedestal 12, so that the said fixed part 31 of said mobile terminal 3 does not rotate; Better be fixed between said upper cover body 11 and the said pedestal 12; And said pressing down section 1130 is positioned at the top of said abutting part 36, and when said top-joining part 34 can not press down again, thereby said abutting part 36 moves upward away from the said contact-making surface 21 of said fixed terminal 2 to the said cantilever 37 that front slide drives said mobile terminal 3; And separate with it; Thereby can know that banjo inserts, reach the effect of detecting in proper order.

In sum, the utility model electric connector has following beneficial effect:

1. said fixed terminal is located at the bottom of said pedestal host cavity; The said base plate of said metal shell is located between top and the said fixed terminal of said pedestal and is provided with certain distance; Thereby in use at electric connector; Electric current flows through said fixed terminal and produces electric field, and the said base plate apart from each other of said metal shell can not produce High-frequency Interference in electric field, can not influence the high frequency performance in the signal transmission.

2. said fixed terminal is located in the said groove of said host cavity bottom of said pedestal; Reduced the space of the shared said host cavity of diapire of said pedestal; And the said cantilever of said mobile terminal is arranged in the said host cavity of the top of said fixed terminal; Increased said mobile terminal separates the said cantilever in back with said fixed terminal activity space, made its disconnection more thorough, the detecting effect is more accurate.

Above-mentioned explanation is the detailed description to the preferable possible embodiments of the utility model; But embodiment is not in order to limit the patent claim of the utility model; Equal variation that the technical spirit that all the utility model disclosed is accomplished down or modification change all should belong to claim that the utility model is contained.

Claims

1. electric connector, it is characterized in that: comprise an insulating body, said insulating body is provided with a host cavity of upward opening,

One fixed terminal is located at the bottom in the said host cavity,

One moves terminal is located in the said host cavity and is positioned at said fixed terminal top,

One metal shell is provided with a base plate, and said base plate covers the top in said insulating body.

2. electric connector as claimed in claim 1; It is characterized in that: said mobile terminal is provided with a fixed part, and said fixed part connects a top-joining part, and said top-joining part connects an abutting part forward; Said abutting part connects a cantilever forward, and said cantilever contacts with said fixed terminal.

3. electric connector as claimed in claim 1 is characterized in that: said fixed terminal is provided with a contact-making surface, said contact-making surface can with said mobile termination contact, the relative another side of said contact-making surface is a solder side.

4. electric connector as claimed in claim 1 is characterized in that: run through the bottom in the said host cavity downwards and be provided with a groove, said fixed terminal is located in the said groove.

5. electric connector as claimed in claim 1 is characterized in that: said fixed terminal embeds and takes shape in the said insulating body.

6. electric connector as claimed in claim 2 is characterized in that: be provided with a base portion between said fixed part and the said top-joining part, the inner bottom surface of said host cavity upwards protrudes out one first support portion, and said base portion is supported in said first support portion.

7. electric connector as claimed in claim 2 is characterized in that: the inner bottom surface of said host cavity upwards protrudes out one second support portion, and said abutting part is supported in said second support portion.

8. electric connector as claimed in claim 7 is characterized in that: be provided with a junction between said top-joining part and the said abutting part, the peak of said connecting portion is higher than said second support portion.

9. electric connector as claimed in claim 2 is characterized in that: said fixed part connects said top-joining part through at least one linking arm.

10. electric connector as claimed in claim 9 is characterized in that: said linking arm is a pair of and is positioned at said top-joining part periphery, and the outside of the inboard of said linking arm and said top-joining part is provided with a determining deviation.

11. electric connector as claimed in claim 2 is characterized in that: said abutting part bends to said host cavity inner bottom surface, and said abutting part bends downwards and extends said cantilever.

12. electric connector as claimed in claim 11 is characterized in that: said insulating body is interior to having a pressing down section towards said host cavity, and said pressing down section presses on the said abutting part.

13. electric connector as claimed in claim 2 is characterized in that: said top-joining part is the arcuation that makes progress, and the inner bottom surface of said host cavity upwards is convexly equipped with a boss, and said boss is positioned under the said top-joining part.

14. electric connector as claimed in claim 13 is characterized in that: be provided with a support portion that presses down to lower convexity between said fixed part and the said top-joining part.

15. electric connector as claimed in claim 1 is characterized in that: said base plate is provided with a through hole, and said through hole is communicated with up and down with said host cavity.