CN203850524U

CN203850524U - Electric connector

Info

Publication number: CN203850524U
Application number: CN201320847477.4U
Authority: CN
Inventors: 杨竣杰; 杨松
Original assignee: Foxconn Kunshan Computer Connector Co Ltd
Current assignee: Foxconn Interconnect Technology Ltd
Priority date: 2013-12-21
Filing date: 2013-12-21
Publication date: 2014-09-24
Anticipated expiration: 2023-12-21
Also published as: TWM508141U

Abstract

The utility model reveals an electric connector which comprises an insulating body, a first terminal accommodated in the insulating body, and a rear cover. The insulating body is provided with an accommodation cavity. The first terminal comprises a first elastic arm extending into the accommodation cavity, and a first contact part which is located on the elastic arm and is bent towards the accommodation cavity. The rear cover is located behind the first terminal, and is used for abutting against a blocking part of the first elastic arm. The arrangement of the blocking part enables the force arm of the conductive terminal to be shortened, and enables insertion and extraction forces to be increased.

Description

Electric connector

technical field

The utility model relates to a kind of electric connector, relates in particular to a kind of electric connector with water-proof function.

background technology

Development along with electronic product, many hand-held devices are as Smartphone, panel computers etc. are more and more higher to the requirement of water-proof function, in the prior art, these water-proof connectors generally comprise insulating body, be contained in the conducting terminal of insulating body and encapsulating injection moulding in the marine glue material of insulating body rear end face, described insulating body encloses and forms docking chamber, described conducting terminal comprises and extends forwardly to the contact site that the elastic arm of docking in chamber and own elasticity arm extend forward, when this water-proof connector docks with butt connector, described conducting terminal relies on the elastic force of elastic arm that butt connector is gripped, but, because the elastic force of described conducting terminal is less, make existing connector not reach the effect of better clamping.

So, wish that a kind of novel electric connector of design is to improve the problems referred to above.

utility model content

Technical problem to be solved in the utility model is to provide a kind of electric connector with water-proof function, and its contact engaging and separating force is larger.

For addressing the above problem, the utility model can adopt following technical scheme: a kind of electric connector, it comprises insulating body, is contained in the first terminal and the bonnet of insulating body, described insulating body is provided with host cavity, the first terminal comprises the first contact site that extends into the first elastic arm of host cavity and be positioned at the first elastic arm and be bent to form to host cavity direction, described bonnet is positioned at the rear of the first terminal, is covered with in order to the stop part against described the first elastic arm after described.

Compared with prior art, the utlity model has following beneficial effect: described stop part the arm of force that has shortened conducting terminal is set, increased contact engaging and separating force.

accompanying drawing explanation

Fig. 1 is the stereogram of the utility model electric connector.

Fig. 2 is the three-dimensional exploded view of electric connector shown in Fig. 1.

Fig. 3 is the three-dimensional exploded view of another angle of electric connector shown in Fig. 1.

Fig. 4 is that electric connector shown in Fig. 1 is along the cutaway view of A-A line.

embodiment

Refer to Fig. 1 and Fig. 2, the utility model provides a kind of electric connector, it has preferably water-proof function, described electric connector comprises insulating body 1, is contained in some conducting terminals 2 and the bonnet 3 of insulating body 1, and the seal 4 that the rear of described bonnet 3 is formed with sealing described insulating body 1 rear end in the mode of encapsulating is to reach the function of waterproof.

Refer to Fig. 2 and Fig. 3, described insulating body 1 comprises the docking section 12 of the main part 11 of rectangular build, this main part 11 arranges forward certainly cylinder type and the host cavity 10 that aforementioned body portion 11 and docking section 12 are run through in front and back, the lateral surface of described docking section 12 12 is formed with annular stopper 15 with the intersection of main part 11 in docking section, accordingly, described electric connector 100 is provided with the O-ring seal 5 that is assembled in from front to back docking section 12, and sealing circle 5 is resisted against aforementioned stopper 15 for preventing liquid inflow electronic product after being assembled to docking section 12.

In conjunction with Fig. 4, described conducting terminal 2 comprises the first terminal 21, this the first terminal 21 comprises the first contact site 212 that extends into the first elastic arm 211 of host cavity 10 and be positioned at the first elastic arm 211 and be bent to form to host cavity direction, in the present embodiment, described conducting terminal 2 also comprises the second terminal 22 that extends into host cavity 10, the 3rd terminal 23, the 4th terminal 24 and Five-terminals 25, described the first terminal 21 is U-shaped structure, aforementioned the first elastic arm 211 comprises two the first elastic arms 211 that are formed at the first terminal 21 and are oppositely arranged to extend into host cavity 10, described the first terminal 21 also comprises that the main part 210 and the autonomous body 210 that connect two the first elastic arms 211 bend the first weld part 213 extending to form backward, described the first terminal 21 extends to form and is useful on the retaining piece 215 that the first terminal 21 is fixed on to insulating body 1 in two ends Shang Xia 210 in main part.Described second, the 3rd, the 4th, Five-terminals 22, 23, 24, 25 are respectively equipped with the second fixed part 221, the 3rd fixed part 231, the 4th fixed part 241 and the 5th fixed part 251 and the second elastic arm that extends into host cavity 10, the 3rd elastic arm, the 4th elastic arm and the 5th elastic arm, described second, the 3rd, the 4th and Five-terminals 22, 23, 24, 25 also comprise and are positioned at second, the 3rd, the the 4th and the 5th elastic arm and the second contact site 222 extending to host cavity direction, the 3rd contact site 232, the 4th contact site 242 and the 5th contact site 252 and from second, the 3rd, the the 4th and the 5th fixed part 221, 231, 241, 251 the second weld parts 223 that bending is extended backward, the 3rd weld part 233, the 4th weld part 243 and the 5th weld part 253, described first, second, the 3rd, the the 4th and the 5th weld part 213, 223, 233, 243, 253 extend back above-mentioned insulating body 1, to be soldered on circuit board.

For the liquid that makes to enter in host cavity 10 can not remain between adjacent conducting terminal 2, described conducting terminal 2 is provided with perforation, the shape of described perforation, size, number and position relationship to each other can be determined according to concrete execution mode, in the present embodiment, described second, third, the 4th and the 5th fixed part 221,231,241,251 be respectively equipped with perforation 26 with discharge second, third, the 4th, the liquid of 22,23,24,25 of Five-terminals.Certainly, the first elastic arm 211 of described the first terminal 21 also can be provided with above-mentioned perforation 26 in other embodiments.

Refer to Fig. 3 and Fig. 4, described insulating body 1 is provided with terminal containing slot 13, conducting terminal 2 inserts and is assembled in terminal containing slot 13 from back to front, when first, second, the 3rd, the 4th and Five-terminals 21, 22, 23, 24, 25 are assembled into after insulating body 1, described the first terminal 21 is positioned at the centre of host cavity 10, described second, the 3rd terminal 22, 23 are positioned at a side of the first terminal 21, the 4th, Five-terminals 24, 25 opposite sides that are positioned at the first terminal 21, the second terminal 22 is between the first terminal 21 and the 3rd terminal 23, the 4th terminal 24 is between the first terminal 21 and Five-terminals 25.Along fore-and-aft direction, see, the described first, second, third and the 4th contact site 212,222,232,242 is positioned at the part that host cavity 10 is formed at main part 11, the 5th 252 of contact sites extend into the part that is formed at docking section 12 of host cavity 10, more specifically, described the second contact site 222 is positioned at the place ahead of the first contact site 212, the 3rd contact site 232 is positioned at the place ahead of the second contact site 222, the 3rd contact site 232 roughly aligns with the 4th contact site 242, the 5th 252 of contact sites the place ahead that is obviously positioned at the 4th contact site 242.

When conducting terminal 2 assemblings are fixed on after insulating body 1, then just the bonnet of this electric connector 100 3 is assembled in insulating body 1 from back to front, it is the rear that described bonnet 3 is positioned at conducting terminal 2, this bonnet 3 is provided with in order to the stop part 31 against elastic arm, after having assembled, described stop part 31 is positioned at the outside of the first elastic arm 211 being oppositely arranged, in the present embodiment, described stop part 31 is for against the first elastic arm 211, this stop part 31 has two, and one of them is between the first terminal 21 and the second terminal 22, another stop part 31 is between the first terminal 21 and the 4th terminal 24, when the first elastic arm 211 is subject to the extruding of butt connector and strain occurs, stop part 31 can be kept out the first elastic arm 211, the first 211 of elastic arms further be take the contact point of stop part 31 butt the first elastic arms 211 and are that fulcrum continues strain, now the arm of force of the first elastic arm 211 of the first terminal is shortened, thereby can increase the chucking power of the first terminal and then improve the contact engaging and separating force of this electric connector.In addition, described bonnet 3 is provided with some breach 322 in lower limb, for conducting terminal 2, pass, top edge is provided with the fixing slot 323 matching in the auxiliary section 214 set with the first terminal 21, the rear end face of this bonnet 3 is concaved with resettlement section 321 near the part of described breach 322, and being provided for of this resettlement section 321 makes the sealing that can concentrate more marine glue material to make to increase encapsulating near the part of breach 322 when encapsulating.

Bonnet 3 is assembled into after insulating body 1, just to the rear end face of bonnet 3, fill with marine glue material, make the rear encapsulating of described bonnet 3 be formed with seal 4, the seal 4 convexes with the protuberance 41 that is contained in described resettlement section 321, and the rear surface of seal 4 flushes with the rear end face of insulating body 1.

Finally, for these electric connector 100 assemblings are fixed on circuit board, present embodiment provides locking piece 6, insulating body 1 is provided with the holddown groove 14 of fixing this locking piece 6 in its bottom surface, described locking piece 6 comprises the fixed part 61 being fixed in holddown groove 14 and the installation portion 62 that is installed on circuit board, and described fixed part 61 is oppositely arranged and is connected with connecting portion between the two with installation portion 62.

To sum up, described bonnet 3 is provided with to be resisted against the stop part 31 of the elastic arm of conducting terminal 2, and the arm of force that is arranged so that conducting terminal of this stop part 31 shortens, and has increased contact engaging and separating force.

Present embodiment is the utility model better embodiment, and certainly, the utility model also can adopt other execution modes, repeats no longer one by one herein.

Claims

1. an electric connector, it comprises insulating body, is contained in the first terminal and the bonnet of insulating body, described insulating body is provided with host cavity, the first terminal comprises the first contact site that extends into the first elastic arm of host cavity and be positioned at the first elastic arm and be bent to form to host cavity direction, described bonnet is positioned at the rear of the first terminal, it is characterized in that: after described, be covered with in order to the stop part against described the first elastic arm.

2. electric connector as claimed in claim 1, is characterized in that: described the first elastic arm comprises two the first elastic arms that are formed at the first terminal and are oppositely arranged to extend into host cavity, and described stop part is positioned at the outside of the first elastic arm being oppositely arranged.

3. electric connector as claimed in claim 1, is characterized in that: described bonnet is provided with some breach in a side, and for the first terminal, pass, the rear end face of this bonnet is concaved with resettlement section near the part of described breach.

4. electric connector as claimed in claim 1, is characterized in that: described the first terminal is provided with perforation.

5. the electric connector as described in any one in claim 1 to 4, it is characterized in that: described electric connector also comprises the second terminal, the 3rd terminal, the 4th terminal and the Five-terminals that extends into host cavity, described second, third terminal is positioned at a side of the first terminal, four, Five-terminals is positioned at the opposite side of the first terminal, the second terminal is between the first terminal and the 3rd terminal, and the 4th terminal is between the first terminal and Five-terminals.

6. electric connector as claimed in claim 5, is characterized in that: described stop part has two, and one of them is between the first terminal and the second terminal, and another stop part is between the first terminal and the 4th terminal.

7. electric connector as claimed in claim 5, it is characterized in that: described second, third, the 4th, Five-terminals is respectively equipped with the second fixed part, the 3rd fixed part, the 4th fixed part and the 5th fixed part, and second, third, the 4th and the 5th fixed part be provided with respectively perforation with discharge second, third, the 4th, liquid between Five-terminals.

8. electric connector as claimed in claim 5, it is characterized in that: described second, the 3rd, the 4th, Five-terminals is respectively equipped with the second elastic arm that extends into host cavity, the 3rd elastic arm, the 4th elastic arm and the 5th elastic arm and be positioned at second, the 3rd, the 4th, the 5th elastic arm and the second contact site extending to form to the bending of host cavity direction, the 3rd contact site, the 4th contact site and the 5th contact site, the second contact site is in the place ahead of the first contact site, the 3rd contact site is in the place ahead of the second contact site, the 3rd contact site aligns with the 4th contact site, the 5th contact site is in the place ahead of the 4th contact site.

9. electric connector as claimed in claim 8, it is characterized in that: described insulating body comprises the docking section of main part and the cylinder type that autonomous body arranges forward of rectangular build, before and after described host cavity, run through main part and docking section, the aforementioned first, second, third and the 4th contact site is in the part that is formed at main part of host cavity, and the 5th contact site extends into the part that is formed at docking section of host cavity.

10. electric connector as claimed in claim 3, is characterized in that: the rear of described bonnet is formed with seal in the mode of encapsulating, and the seal convexes with the protuberance that is contained in described resettlement section, and the rear surface of seal flushes with the rear end face of insulating body.