CN204315841U - Electric connector - Google Patents

Abstract

The utility model discloses a kind of electric connector, it is characterized in that, comprise: an insulating body, described insulating body is provided with a receiving space, described insulating body comprises two relative sidepieces, one shell body, there is relative two side faces, outside the coated described sidepiece of described side laminating, one inner housing, be contained in described receiving space, described inner housing has two relative sidewalls, described sidewall is positioned at inside described sidepiece, described two sidewall front-end edges are outward extended with an elastic arm respectively, described elastic arm is walked around described sidepiece front end and is abutted with described side, multiple terminal, be located at described insulating body.Such structural design, avoids described elastic arm and contacts with described procapsid and be grounded, guarantee that described elastic arm can contact with described sidepiece all the time and be grounded.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, particularly relates to a kind of electric connector of anti-electromagnetic interference.

[background technology]

A kind of electric connector disclosed in the patent CN201320743849.9 of China's Mainland, at the 5th page [0043], its specification, [0049], [0054] section and accompanying drawing 1, " electric connector socket comprises an insulating body, at least one hyoplastron, at least one inner housing, a shell body in Fig. 2 announcement.Shielding casing before described shell body comprises one.Wherein inner housing front-end edge is provided with at least one bonding jumper.Whereby, after electric connector combination, the formation that offsets of described bonding jumper and described front shielding casing electrically conducts, and described bonding jumper extends a support arm respectively to outside, the free end of described support arm simultaneously upwards and diagonally forward extend one first butted piece.When after electric connector combination, the first butted piece of described bonding jumper can bear against front shielding casing, is formed whereby and electrically conducts, reach more efficient radiativity EMI shield effectiveness ".

After right combined electric connector, under the prerequisite not increasing electric connector size, the space between described front shielding casing and described insulating body front end is very limited.Described bonding jumper makes the arm of force of described bonding jumper shorter because being subject to spatial limitation.Thus described bonding jumper easily produces tired, and then the contact elastic force of described bonding jumper and described front shielding casing is died down, cannot ensure that described bonding jumper and described shielding casing keep in touch always, thus affect the stability that electrically conducts of described bonding jumper and described front shielding casing, finally affect the stability of electromagnetism interference performance.

Therefore, designing the more stable electric connector of a kind of anti-electromagnetic interference performance to overcome the problems referred to above, is the consistent target of this area research staff.

[utility model content]

In order to overcome above-mentioned defect, the utility model provides a kind of electric connector, and this electric connector has more stable anti-electromagnetic interference performance.

For achieving the above object, the utility model adopts following technological means:

A kind of electric connector, is characterized in that, comprising:

One insulating body, described insulating body is provided with a receiving space, and described insulating body comprises two relative sidepieces,

One shell body, has relative two side faces, outside the coated described sidepiece of described side laminating,

One inner housing, is contained in described receiving space, and described inner housing has two relative sidewalls, and described sidewall is positioned at inside described sidepiece, and described two sidewall front-end edges are outward extended with an elastic arm respectively, and described elastic arm is walked around described sidepiece front end and abutted with described side,

Multiple terminal, is located at described insulating body.

Further, described elastic arm has the base portion extended to the direction perpendicular to described sidewall from described sidewall, and from described base portion to a junction of downward-extension and from the outward extending contact site of described connecting portion, described contact site abuts described side.

Further, described shell body comprises a procapsid and a back casing, described procapsid has a front portion, described front part is covered in described back casing, described two side faces is two opposite planar be located on described back casing, and described anterior two ends have extended back a leading edge, and described leading edge is provided with at least one hole clipping, described two side faces is convexly equipped with at least one fixture block, and described fixture block is arranged in corresponding described hole clipping.

Further, described inner housing also comprises the roof connecting described two sidewalls, and described roof front end is extended with forward a cantilever, and described cantilever abuts described front portion.

Further, described two sidewalls respectively to after be extended with a pin, described insulating body comprises a pedestal, and is arranged with a groove respectively from described pedestal both sides, and described pin is inserted in described groove.

Further, described two side faces is convexly equipped with at least one tongue piece, and described insulating body both sides are arranged with two guide grooves respectively, and described tongue piece is inserted in described guide groove.

Further, described electric connector also comprises a positioning seat, the holding parts that described terminal has docking section and extends back from described docking section, and from described holding parts to the weld part of downward-extension, described weld part is arranged in described positioning seat, and is exposed to described positioning seat bottom.

Compared with prior art, electric connector of the present utility model has following beneficial effect:

Described inner housing has two relative sidewalls, and described sidewall is positioned at inside described sidepiece, and described two sidewall front-end edges are outward extended with an elastic arm respectively, and described elastic arm is walked around described sidepiece front end and abutted with described side.Such structural design, avoid described elastic arm to contact with described procapsid and be grounded, considerably increase the wider space of described elastic arm in side, thus the arm of force of described bullet wall is extended, thus greatly reduce described elastic arm due to the arm of force short and produce tired, and then the contact force strengthened between described elastic arm and described side, guarantee that described elastic arm can contact with described sidepiece all the time and be grounded.Make electrically conducting of described elastic arm and described shell body stable, the electromagnetism interference performance finally realizing described electric connector is more reliable, stable.

For ease of the object of electric connector that the utility model is provided, shape, structure, feature and effect thereof all can have further understanding with understand, now to elaborate with accompanying drawing in conjunction with the embodiments.

[accompanying drawing explanation]

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

Fig. 2 is partial sectional perspective view;

Fig. 3 is three-dimensional combination figure;

Fig. 4 is for analysing and observe constitutional diagram;

Fig. 5 be another direction of Fig. 4 analyse and observe constitutional diagram.

The drawing reference numeral of embodiment illustrates:

Electric connector 100 insulating body 1 pedestal 10 hyoplastron 11

Receiving space 12 sidepiece 121 guide groove 122 groove 101

Anterior 211 tops 212 of shell body 2 procapsid 21

Hole clipping 213 back casing 22 side 221 below 222

Tongue piece 223 fixture block 224 leading edge 2111 lateral margin 2121

Inner housing 3 sidewall 31 roof 32 elastic arm 33

Cantilever 34 pin 35 base portion 331 connecting portion 332

Contact site 333 terminal 4 docking section 41 holding parts 42

Weld part 43 positioning seat 5 is bored a hole 51 openings 23

[embodiment]

Below in conjunction with accompanying drawing 1 to 5 and specific embodiment, electric connector of the present utility model is described further:

Refer to Fig. 1, Fig. 5, electric connector 100 of the present utility model comprises an insulating body 1, the shell body 2 of one coated described insulating body 1, one is contained in the inner housing 3 in described insulating body 1, be located at the multiple terminals 4 in described insulating body 1, and for locating a positioning seat 5 of described terminal 4.

Refer to Fig. 1, Fig. 4, Fig. 5, described insulating body 1, the hyoplastron 11 comprising a pedestal 10 and extend forward from described pedestal 10, described pedestal 10 is arranged with a groove 101 in described hyoplastron 11 both sides, described pedestal 10 has extended to form a receiving space 12 around described hyoplastron 11, described insulating body 1 has two relative sidepieces 121, is arranged with a guide groove 122 respectively outside described two sidepieces 121.

Refer to Fig. 1 to Fig. 4, described shell body 2, comprise procapsid 21 and back casing 22.Described back casing 22 is assembled in described insulating body 1 from back to front, and described back casing 22 comprises relative two side faces 221 and is connected below 222 of described two side faces.Described side 221 is fitted outside coated described sidepiece 121, and described two side faces 221 is provided with multiple tongue piece 223 in middle part, and described tongue piece 223 is arranged in described guide groove 122, described back casing 22 is fixed and is coated on outside described insulating body 1.Described two side faces 221 is provided with multiple fixture block 224 in marginal position, described procapsid 21 part covers described back casing 22, the top 212 that described procapsid 21 comprises one anterior 211 and is connected with described anterior 211, the position of described anterior 211 corresponding described receiving spaces 12 offers opening 23 accordingly, docks for butt connector (not shown).Described anterior 211 have extended back leading edge 2111, described top 212 is extended with lateral margin 2121 downwards, described leading edge 2111 and corresponding described fixture block 224 place of described lateral margin 2121 offer multiple hole clipping 213, described fixture block 224 is arranged in described hole clipping 213, makes described procapsid 21 be arranged in described back casing 22 firmly.

Refer to Fig. 1, Fig. 4, described inner housing 3, be contained in described receiving space 12.Described inner housing 3 has two relative sidewalls 31 and the roof 32 being connected described sidewall 31.Described sidewall 31 is positioned at inside described sidepiece 121, described two sidewall 31 front-end edges are outward extended with an elastic arm 33 respectively, described elastic arm 33 has the base portion 331 extended to the direction perpendicular to described sidewall 31 from described sidewall 31, from described base portion 331 to a junction 332 of downward-extension and from the outward extending contact site 333 of described connecting portion 332, described contact site 333 abuts described side 221, and described elastic arm 33 is walked around described sidepiece 121 front end and abutted with described side 221.Described roof 32 front end is extended with forward a cantilever 34, and described cantilever 34 abuts described anterior 211.Described two sidewalls 31 respectively to after be extended with two relative pins 35, described pin 35 is inserted in described groove 101.

Refer to Fig. 1, Fig. 4, the holding parts 42 that described terminal 4 has docking section 41 and extends back from described docking section 41, and from described holding parts 42 to the plug-in type weld part 43 of downward-extension.Described hyoplastron 11 is located in described docking section 41, and described holding parts 42 is fixedly arranged on described pedestal 10 and outstanding described pedestal 10 bottom.

Refer to Fig. 1, Fig. 4, described positioning seat 5 is mounted on described pedestal 10 rear end.Described positioning seat 5 is provided with multiple perforation 51, and described weld part 43 is arranged in described perforation 51 and outstanding described positioning seat 5 bottom.

In sum, the utility model electric connector 100 has following beneficial effect:

(1) described two sidewall 31 front-end edges of described inner housing 3 are outward extended with an elastic arm 33 respectively, described elastic arm 33 has the base portion 331 extended to the direction perpendicular to described sidewall 31 from described sidewall 31, from described base portion 331 to a junction 332 of downward-extension and from the outward extending contact site 333 of described connecting portion 332, described contact site 333 is walked around described sidepiece 121 front end and is abutted with described side 221, makes the direction of described elastic arm 22 juxtaposition metamorphose vertical with direction, described side 221.Avoid described elastic arm 22 like this to contact with described procapsid 21, add the wider space of described elastic arm 22, thus the arm of force of described bullet wall 33 can be lengthened, thus reduce described elastic arm 33 due to the arm of force short and produce tired, and then the contact force that can strengthen between described elastic arm 33 and described side 221, ensure that described elastic arm 22 can contact with described sidepiece 121 all the time and be grounded.Thus making described elastic arm 33 stable with electrically conducting of described shell body 2, the electromagnetism interference performance finally realizing described electric connector 100 is more reliable, stable.

(2) described inner housing 3 also comprises the roof 32 connecting described two sidewalls 31, and described roof 32 front end is extended with forward a cantilever 34, and described cantilever 34 abuts described anterior 211.Because described cantilever 34 is also grounded with described procapsid 21 is in electrical contact, thus the anti-electromagnetic interference performance of described electric connector 100 is made to have had double shield, more stable.

(3) described inner housing 3 has two relative sidewalls 31, described two sidewalls 31 respectively to after be extended with a pin 35, described insulating body 1 comprises a pedestal 10, and is arranged with a groove 101 respectively from described pedestal 10 both sides, and described pin 35 is inserted in described groove 101.Therefore described inner housing 3 can more firmly be mounted in the receiving space 12 of described insulating body 1, thus reduce described inner housing 3 rocking in described receiving space 12.And then make the contact between described elastic arm 33 and described shell body 2 more stable.

More than describe the explanation being only the preferred embodiment of the utility model in detail, non-ly therefore limit to the scope of the claims of the present utility model, so the equivalence techniques change that all this creation of utilization specifications and diagramatic content are done, is all contained in the scope of the claims of the present utility model.

Claims (7)

1. an electric connector, is characterized in that, comprising:

One insulating body, described insulating body is provided with a receiving space, and described insulating body comprises two relative sidepieces,

One shell body, has relative two side faces, outside the coated described sidepiece of described side laminating,

One inner housing, is contained in described receiving space, and described inner housing has two relative sidewalls, and described sidewall is positioned at inside described sidepiece, and described two sidewall front-end edges are outward extended with an elastic arm respectively, and described elastic arm is walked around described sidepiece front end and abutted with described side,

Multiple terminal, is located at described insulating body.

2. electric connector as claimed in claim 1, it is characterized in that: described elastic arm has from described sidewall to the base portion extended perpendicular to described sidewall direction, from described base portion to a junction of downward-extension and from the outward extending contact site of described connecting portion, described contact site abuts described side.

3. electric connector as claimed in claim 1, it is characterized in that: described shell body comprises a procapsid and a back casing, described procapsid has a front portion, described front part is covered in described back casing, described two side faces is two opposite planar be located on described back casing, and described anterior two ends have extended back a leading edge, and described leading edge is provided with at least one hole clipping, described two side faces is convexly equipped with at least one fixture block, and described fixture block is arranged in corresponding described hole clipping.

4. electric connector as claimed in claim 1, it is characterized in that: described shell body comprises a procapsid and a back casing, described procapsid has a front portion, described inner housing also comprises the roof connecting described two sidewalls, described roof front end is extended with forward a cantilever, and described cantilever abuts described front portion.

5. electric connector as claimed in claim 1, is characterized in that: described two sidewalls respectively to after be extended with a pin, described insulating body comprises a pedestal, and is arranged with a groove respectively from described pedestal both sides, and described pin is plugged in described groove.

6. electric connector as claimed in claim 1, it is characterized in that: described two side faces is convexly equipped with at least one tongue piece, described insulating body both sides are arranged with two guide grooves respectively, and described tongue piece is inserted in described guide groove.

7. electric connector as claimed in claim 1, it is characterized in that: described electric connector also comprises a positioning seat, the holding parts that described terminal has docking section and extends back from described docking section, and from described holding parts to the weld part of downward-extension, described weld part is arranged in described positioning seat, and is exposed to described positioning seat bottom.