CN206364268U - Electric connector - Google Patents

Abstract

The utility model discloses a kind of electric connector, including：One insulating body；Multiple conducting terminals；One inner metal shell, is coated on outside insulating body, and in forming a grafting space outside insulating body；One metal shell, outside inner metal shell, and there is inner metal shell an extension to manifest metal shell, including a main part forward, and autonomous agent body portion front end is towards away from the stop section of inner metal shell punching press bending forming one；One water proof ring, outside extension, and in front of stop section, stop section block water proof ring rearward displacement.When butt connector repeatedly inserts electric connector, water proof ring rearward displacement is blocked in stop section, it is ensured that waterproof effect.

Description

Electric connector

Technical field

The utility model is related to a kind of electric connector, espespecially a kind of electric connector of waterproof.

Background technology

Universal serial bus（Universal Serial Bus, abbreviation USB）Electric connector be commonly masses made With, and as the development of electronic product make it that its transmission speed is more and more faster, and user is to the matter of the electric connector of this class Amount require it is more strict, and the electric connector of this class is generally used for being installed on electronic installation and with a jack with for One external plug is inserted, therefore is readily accessible water and is caused short circuit, or meets aqueous vapor and moisture damage, and is easily caused aqueous vapor Electronic installation is penetrated into from gap and then the circuit board or other electron component inside electronic installation is influenceed, so as to influence electricity The performance of sub-device.During butt connector grafting or separation, the water for how preventing the butt connector of insertion from carrying Point and moisture and moisture in air the inside of electronic product is immersed from the gap of electric connector, cause electronic component because of tactile water or The problem of generation short circuit or erosion damage of making moist.To meet this waterproof requirement, common water-proof connector is in existing connection The case surface of device closely coats a water proof ring, reaches the purpose of waterproof.But due to being assembling between water proof ring and metal-back It is fixed, when permanent in use, butt connector is long-term in multiple swapping process abuts and extrude water proof ring, waterproof can be caused Enclose the end movement to after electric connector, lose waterproof action so that steam can from electric connector with and the electronic component that is attached thereto Between gap enter internal circuit, damage internal electronic element.

It is therefore desirable to design a kind of electric connector of improvement, to overcome above mentioned problem.

The content of the invention

For background technology problem encountered, the utility model electric connector by setting stop section after water proof ring, Prevent water proof ring displacement from losing waterproof effect, it is ensured that the waterproof effect of electric connector.

To achieve the above object, the utility model uses following technological means：

A kind of electric connector, including：One insulating body, including a base portion, extend forward a hyoplastron from base portion；Multiple conductions Terminal, including multiple the first terminals and multiple Second terminals, each the first terminal and each Second terminal have respectively One first contact site and one second contact site, multiple first contact sites and multiple second contact sites are revealed in the upper table of hyoplastron respectively Face and lower surface；One inner metal shell, is coated on outside insulating body, and in forming a grafting space outside insulating body；Outside one metal Shell, outside inner metal shell, and there is inner metal shell an extension to manifest metal shell, including a main part forward, independently Body body portion front end is towards away from the stop section of inner metal shell punching press bending forming one；One water proof ring, outside extension, and positioned at block In front of portion, stop section block water proof ring rearward displacement.

Further, stop section is continuously continual is surrounded on inner metal shell.

Further, there is water proof ring one first waterproof teat and one second waterproof teat to be connected to a neck respectively front and rearly Portion, and the cross-sectional area of neck is respectively less than the cross-sectional area of the first waterproof teat and the second waterproof teat.

Further, an annular groove, the annular are constituted in neck periphery between the first waterproof teat and the second waterproof teat Groove is with for the first waterproof teat and the entrance of the second waterproof teat crushed element.

Further, including with the first terminal and one first insulating body of central shield piece integrated injection molding, with second One second insulating body of terminal integrated injection molding, with the first insulating body and the assembly integrated injection molding of the second insulating body One the 3rd insulating body of shaping, and central shield piece is positioned between the first terminal and Second terminal.

Further, the both sides of central shield piece are arranged with two engaging portion, and hyoplastron is provided with button relative to the position of engaging portion Access slot, engaging portion is at least partly protruded from snap groove.

Further, main part is provided with least two abutting parts close to inner metal shell lower surface, is connected to inner metal shell lower surface, The front-end and back-end of each abutting part are provided with guiding face.

A kind of electric connector, including：One insulating body；Multiple conducting terminals, are fixedly arranged on the insulating body respectively；One gold medal Belong to inner casing, be coated on outside insulating body, and in forming a grafting space outside insulating body；One metal shell, located at inner metal shell Outside, and inner metal shell have an extension manifest metal shell, including a main part forward, the front end of main body is outwards rushed Pressure side forms a stop section；One water proof ring, outside extension, and in front of the stop section, stop section block water proof ring to Displacement afterwards.

Further, stop section is continuously continual is surrounded on inner metal shell.

Further, inner metal shell and metal shell are molded by metallic plate punching.

Compared with prior art, the utility model has the advantages that：

When butt connector from the jack for the electric connector being installed on electronic installation repeatedly inserts or pull out electrical connection Device, when abutting and extruding water proof ring, by the way that, around a fixed stop section, water proof ring is located at stop section at the front end of metal shell Front end, stop section block water proof ring produces displacement backward, it is ensured that water proof ring will not be ineffective, it is to avoid steam is from electric connector Gap enters inside electronic installation, causes the damage of electronic installation internal electronic element.

【Brief description of the drawings】

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

Fig. 2 is the local constitutional diagram of solid of the utility model electric connector；

Fig. 3 is the local constitutional diagram of solid at another visual angle of the utility model electric connector；

Fig. 4 is the local constitutional diagram of solid of the utility model electric connector；

Fig. 5 is another three-dimensional local constitutional diagram of the utility model electric connector；

Fig. 6 is the utility model electric connector three-dimensional combination figure；

Fig. 7 is the utility model electric connector sectional view.

The drawing reference numeral explanation of embodiment：

Electric connector 100	Insulating body 1	First insulating body 11	First base portion 111
				First hyoplastron 112	Second insulating body 12	Second base portion 121	Second hyoplastron 122
3rd insulating body 13	3rd base portion 131	3rd hyoplastron 132	Base portion 14
				Hyoplastron 15	Snap groove 151	Terminal 2	The first terminal 21
First contact site 211	Second terminal 22	Second contact site 221	Central shield piece 3
				Holding parts 31	Grounding leg 32	Flat part 33	Engaging portion 34
Inner metal shell 4	Extension 41	Metal shell 5	Main part 51
				Stop section 52	Abutting part 53	Guiding face 531	Water proof ring 6
First waterproof teat 61	Second waterproof teat 62	Neck 63

【Embodiment】

For ease of being better understood from the purpose of this utility model, structure, feature and effect etc., in conjunction with accompanying drawing and specifically The utility model is described in further detail for embodiment.

As shown in Figure 2 and Figure 6, the utility model electric connector is included in an insulating body 1, multiple conducting terminals 2 and one Centre shielding piece 3 is in insulating body 1, and inner metal shell 4 is sheathed on outside insulating body 1, and metal shell 5 is located at outside inner metal shell 4, One stop section 52 is surrounded on the extension 41 of inner metal shell 4, and a water proof ring 6 is located at the front end of stop section 52.

As shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 7, insulating body 1 includes：First insulating body 11 has the first base portion 111, from First base portion 111 is extended with forward the first hyoplastron 112；Second insulating body 12 has the second base portion 121, from the second base portion 121 The second hyoplastron 122 is extended with forward；3rd insulating body 13 has the 3rd base portion 131, and the 3rd is extended forward from the 3rd base portion 131 Hyoplastron 132；First base portion 111, the second base portion 121, the 3rd base portion 131 collectively form the base portion 14 of insulating body 1, the first hyoplastron 112nd, the second hyoplastron 122, the 3rd hyoplastron 132 collectively form the hyoplastron 15 of insulating body 1；First hyoplastron 112 is matched somebody with somebody provided with multiple Conjunction portion（Non- label）With multiple mating grooves（Non- label）, the second hyoplastron 122 it is relative be provided with multiple mating grooves（Non- label）With it is many Individual auxiliary section（Non- label）；Multiple conducting terminals 2 include multiple the first terminals 21 and multiple Second terminals 22, the first insulating body 11 with the first terminal 21 and the integrated injection molding of central shield piece 3, the second insulating body 12 and the integrated injection molding of Second terminal 22 into The assembly integrated injection molding of type, the 3rd insulating body 13 and the first insulating body 11 and the second insulating body 12, and center Piece 3 is shielded to be located between the first terminal 21 and Second terminal 22.

As shown in Figure 2, Figure 3 and Figure 4, each the first terminal 21 and each Second terminal 22 have one first contact site respectively 211 and one second contact site 221, the first contact site 211 is revealed in the upper surface of hyoplastron 15, and the second contact site 221 is revealed in tongue The lower surface of plate 15.

Shown as shown in Figure 1, Figure 3 and Figure 4, central shield piece 3 includes a holding parts 31, is immobilizated in the base portion 14 of insulating body 1, Bending downwards is extended with grounding leg 32 to the two ends of holding parts 31 backward, and holding parts 31 are turned under extension flat part 33, flat board before being folded to Portion 33 is located between the first hyoplastron 112 and the second hyoplastron 122, and the both sides of flat part 33 are provided with button relative to the position of snap groove 151 Socket part 34, hyoplastron 15 is provided with snap groove 151 relative to the position of engaging portion 34, and at least part of engaging portion 34 protrudes from snap groove In 151, flat part 33 is provided with corresponding resigning hole（Non- label）And slot to make way（Non- label）, for the first insulating body 11 The resigning of auxiliary section when being assembled with the second insulating body 12.

As shown in figure 4, inner metal shell 4 is coated on outside insulating body 1, and in one grafting space of the outer formation of insulating body 1（Not Label）, inner metal shell 4 have an extension 41 manifest metal shell 5 forward.

As shown in figure 4, metal shell 5 is outside the inner metal shell 4, including a main part 51, the front end of main body 51 is towards remote From the stop section 52 of 4 punching press bending forming of inner metal shell one, stop section 52 is continuously continual to be surrounded on inner metal shell 4, works as insertion Butt connector（Do not indicate）When abutting water proof ring 6, inner metal shell 4 is surrounded on because stop section 52 is continuously continual, really Determining each section of water proof ring 6 will not rearward displacement, it is ensured that water proof ring will not be ineffective, it is ensured that waterproof effect.

As shown in figure 1, the main part 51 of metal shell 5 close to the lower surface of inner metal shell 4 at least provided with an abutting part 53, abut In the lower surface of inner metal shell 4 so that after inner metal shell 4 and metal shell 5 are assembled, top laminating is close so that inner metal shell 4 with The upper point weldering fixed effect of metal shell 5 is more preferable；Abutting part 53 is provided with guiding face 531, when outside the insertion metal of inner metal shell 4 When the assembling of shell 5 passes through guiding face 531 so that assembling is easy.

Inner metal shell 4 and metal shell 5 are metallic plate punching shaping, are simple to manufacture, with low cost.

As shown in Figure 5 and Figure 6, water proof ring 6 is outside the extension 41, positioned at the front of stop section 52, and water proof ring 6 has one the One waterproof teat 61 and one second waterproof teat 62 are connected to a neck 63 respectively front and rearly, and the cross-sectional area of neck 63 is small Between the first waterproof teat 61 and the cross-sectional area of the second waterproof teat 62, the first waterproof teat 61 and the second waterproof teat 62 An annular groove is constituted in the periphery of neck 63, when the butt connector of insertion is abutted and extrudes water proof ring 6, the annular groove is used So that the first waterproof teat 61 and the crushed element of the second waterproof teat 62 enter so that the first waterproof teat 61 and the second waterproof are prominent It is close to the outer surface of inner metal shell 4 in portion 62, it is ensured that waterproof effect.

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

（1）The utility model electric connector 100 at the front end of metal shell 5 by, around a fixed stop section 52, preventing Hydrosphere 6 is located at the front end of stop section 52, and the block water proof ring 6 of stop section 52 produces displacement backward, it is ensured that water proof ring 6 will not lose work With so that steam can not enter from the gap between electric connector 100 and electronic component and cause electronics member inside electronic component Part is damaged；

（2）Between the first waterproof teat 61 and the second waterproof teat 62 of water proof ring 6 annular is constituted in the periphery of neck 63 Groove, when the butt connector of insertion is abutted and extrudes water proof ring 6, annular groove can be for the first waterproof teat 61 and second The part of waterproof teat 62 is deformed into so that water proof ring 6 is close to the outer surface of inner metal shell 4, it is ensured that waterproof effect.

（3）The main part 51 of metal shell 5 is provided with abutting part 53 close to the lower surface of inner metal shell 4, and abutting part 53 is provided with Guiding face 531 so that inner metal shell 4 is easily assembled to metal shell 5, abutting part 53 abuts the lower surface of inner metal shell 4, it is ensured that gold The top and the top of metal shell 5 for belonging to inner casing 4 are brought into close contact so that spot welding fixed effect is more preferable.

（4）Inner metal shell 4 and metal shell 5 are molded by metallic plate punching so that be simple to manufacture, with low cost.

Detailed description above is only the explanation of the preferred embodiment of the utility model, and non-therefore limitation is of the present utility model specially Sharp scope, so, all equivalence techniques changes with carried out by this creation specification and diagramatic content are both contained in the utility model The scope of the claims in.

Claims (10)

1. a kind of electric connector, it is characterised in that including：

One insulating body, including a base portion, extend forward a hyoplastron from base portion；

Multiple conducting terminals, including a first terminal and a Second terminal, each the first terminal and each Second terminal difference With one first contact site and one second contact site, multiple first contact sites and multiple second contact sites are revealed in hyoplastron respectively Upper and lower surface；

One inner metal shell, is coated on outside insulating body, and in forming a grafting space outside insulating body；

One metal shell, outside inner metal shell, and there is inner metal shell an extension to manifest metal shell, including one forward Main part, main body front end is towards away from the stop section of inner metal shell punching press bending forming one；

One water proof ring, outside extension, and in front of stop section, stop section block water proof ring rearward displacement.

2. electric connector as claimed in claim 1, it is characterised in that：Stop section is continuously continual to be surrounded on inner metal shell.

3. electric connector as claimed in claim 1, it is characterised in that：There is water proof ring one first waterproof teat and one second to prevent Water teat is connected to a neck respectively front and rearly, and the cross-sectional area of neck is respectively less than the first waterproof teat and the second waterproof teat Cross-sectional area.

4. electric connector as claimed in claim 3, it is characterised in that：In neck between first waterproof teat and the second waterproof teat Portion periphery constitutes an annular groove, and the annular groove is with for the first waterproof teat and the entrance of the second waterproof teat crushed element.

5. electric connector as claimed in claim 1, it is characterised in that：Including integrally being noted with the first terminal and a central shield piece One first insulating body of type is moulded into, one second insulating body with Second terminal integrated injection molding, with the first insulating body With one the 3rd insulating body of the assembly integrated injection molding of the second insulating body, and central shield piece be located at the first terminal and Between Second terminal.

6. electric connector as claimed in claim 5, it is characterised in that：The both sides of central shield piece are arranged with two engaging portion, Hyoplastron is provided with snap groove relative to the position of engaging portion, and engaging portion is at least partly protruded from snap groove.

7. electric connector as claimed in claim 1, it is characterised in that：Main part is provided with least two close to inner metal shell lower surface Abutting part, is connected to inner metal shell lower surface, and the front-end and back-end of each abutting part are provided with guiding face.

8. a kind of electric connector, it is characterised in that including：

One insulating body；

Multiple conducting terminals, are fixedly arranged on the insulating body respectively；

One inner metal shell, is coated on outside insulating body, and in forming a grafting space outside insulating body；

One metal shell, outside inner metal shell, and there is inner metal shell an extension to manifest metal shell, including one forward Main part, outside one stop section of punching press flange formation in front end of main body；

One water proof ring, outside extension, and in front of stop section, stop section block water proof ring rearward displacement.

9. electric connector as claimed in claim 8, it is characterised in that：Stop section is continuously continual to be surrounded on inner metal shell.

10. electric connector as claimed in claim 8, it is characterised in that：Inner metal shell and metal shell are rushed by sheet metal It is molded.