CN203205661U

CN203205661U - Electronic card connector

Info

Publication number: CN203205661U
Application number: CN 201320177394
Authority: CN
Inventors: 樊凌云
Original assignee: Shenzhen Everwin Precision Technology Co Ltd
Current assignee: Shenzhen Everwin Precision Technology Co Ltd
Priority date: 2013-04-10
Filing date: 2013-04-10
Publication date: 2013-09-18
Anticipated expiration: 2023-04-10

Abstract

The utility model discloses an electronic card connector comprising an insulating body, a shielding shell, conducting terminals, a metal bottom plate and a detection switch, wherein the shielding shell covers the insulating body, and the conducting terminals and the metal bottom plate are integrally formed in the insulating body. The metal bottom plate comprises a metal frame embedded at the edge of the insulating body, and weld legs extend on the metal frame. The detection switch comprises a first switch terminal and a second switch terminal. The first switch terminal is integrally formed on the metal frame in an extension manner and is electrically connected to the weld legs on the metal frame. The second switch terminal comprises a holding portion, a welding portion, a first elastic arm, a second elastic arm and an elastic auxiliary arm. The holding portion is held on the insulating body. The welting portion is formed by extension of the holding portion. The first elastic arm is formed by inclined extension of the holding portion in the direction of a card inserting end. The second elastic arm is abutted jointed with the back side of the first elastic arm. The elastic auxiliary arm is integrally formed on the second elastic arm in an extension manner in the direction far from the card inserting end, and is abutted jointed with the insulating body. The electronic card connector provided by the utility model is of good detection switch performance.

Description

Electronic card coupler

Technical field

The utility model relates to electronic card coupler, espespecially a kind of electronic card coupler with sense switch.

Background technology

No. 201010242016.5 patent application of the People's Republic of China (PRC) disclosed a kind of electronic card coupler, and it comprises insulating body, be covered in shielding casing on the insulating body, be shaped in conducting terminal, metal base plate and sense switch in the insulating body.Described conducting terminal, metal base plate and sense switch are integrated punching press and form and be shaped on the insulating body, by shearing conducting terminal, metal base plate and sense switch are electrically separated subsequently; Described sense switch comprises first, second switch terminal, and described second switch terminal ends is one-body molded to have a pushing block to contact described electronic cards.Described second switch terminal is provided with the first elastic arm that is provided with contact site and is positioned at the second elastic arm that the first elastic arm rear end is used for strengthening the first elastic arm elastic force.But because second switch terminal volume is very little, in actual use, its toughness still is apparent not enough, through electronic cards repeatedly may cause the deformation behavior of switch terminal to weaken after the plug, and affect the realization of switching function.

Given this, be necessary to provide in fact a kind of new electronic card coupler.

The utility model content

The purpose of this utility model is to provide a kind of electronic card coupler with switch terminal of excellent resilient properties.

For this reason, the utility model provides a kind of electronic card coupler, comprise insulating body, be covered in the shielding casing on the insulating body, be shaped in conducting terminal and metal base plate in the insulating body, and sense switch, described metal base plate comprises the metal frame that is embedded at the insulating body edge part, be extended with leg on the described metal frame, described sense switch comprises the first switch terminal, the second switch terminal, described the first switch terminal is to extend from described metal frame one to form and be electrically connected with leg on the metal frame, and described second switch terminal comprises the holding parts that is immobilizated on the insulating body, the weld part that extends to form from holding parts, from holding parts respectively towards card insertion end direction tilt the first elastic arm extend to form and the second elastic arm that is connected to the first elastic arm rear side, reach from the second elastic arm one to the auxiliary arm of the elasticity with the insulating body butt that extends to form away from the card insertion end direction.

Described the second elastic arm is provided with the abutting part that is connected to the first elastic arm rear side, and the auxiliary arm of described elasticity extends to form from the abutting part position of described the second elastic arm one.

Described insulating body comprise main part, and one upwards take shape in barricade on the main part end edge, the end of the auxiliary arm of described elasticity is connected on the described barricade.

The auxiliary arm of described elasticity extends to form after the second elastic arm bottom reversed, is formed with the connecting portion of U-shaped between the auxiliary arm of described elasticity and the second elastic arm.

Described the first elastic arm end is provided with the pushed section with described the first switch terminal electrical contact, and one-body molded on the described pushed section have a pushing block.

Described the first switch terminal includes elastic arm and is located at elastic portion terminal and be the contact site of rectangular structure, the pushed section electrical contact of the first elastic arm end of described contact site and described second switch terminal in the plug-in card direction.

With respect to prior art, electronic card coupler of the present utility model the second elastic arm rear side setting of the second switch terminal of sense switch can be with the barricade butt of insulating body the auxiliary arm of the elasticity of strain, improved the elastic deformation ability of second switch terminal, the defective of having avoided the second switch terminal excessively can't reply because of strain.

Description of drawings

Fig. 1 is the stereogram of the utility model electronic card coupler.

Fig. 2 is the stereogram after the utility model electronic card coupler removes shielding casing.

Fig. 3 is the three-dimensional exploded view after the utility model electronic card coupler removes shielding casing.

Fig. 4 is the stereogram of the utility model electronic card coupler second switch terminal.

Embodiment

Introduce in detail electronic card coupler of the present utility model below with reference to Fig. 1 to Fig. 4.The utility model relate to a kind of have push away-electronic card coupler of pushing-type (Push-Push formula) trip mechanism, in the utility model, before definition electronic cards insertion end is, take away from the electronic cards insertion end as after.

See also Fig. 1, shown in Figure 2, the utility model electronic card coupler comprises insulating body 20, be covered in shielding casing 10 on the insulating body 20, be installed on insulating body 20 1 sides trip mechanism 40, be installed on insulating body 20 rear ends sense switch 50, be shaped in conducting terminal 30, metal base plate 60 on the insulating body 20.Described insulating body 20, shielding casing 10 and conducting terminal 30 are enclosed to form jointly be used to the receiving space of accommodating electronic cards (not label).

Described insulating body 20 comprises main part 21, be shaped in the installation portion 22 of main part 21 1 sides and extend upward the barricade 23 of formation from the body 20 end edge one that insulate.Described trip mechanism 40 is installed on the described installation portion 22.

Please further consult Fig. 3 to shown in Figure 4, described metal base plate 60 comprises the metal frame 61 that is embedded at the metallic plate 62 under the insulating body 20 1 side trip mechanisms 40 and is embedded at insulating body 20 edge parts, and described metal frame 61 extends to form two welderings in electronic cards insertion end one side direction plug-in card direction and is located at leg 610 on the printed circuit board (PCB) to increase printed circuit board (PCB) to the retain strength of electronic card coupler.Metal frame 61 extends to form the first switch terminal 51 and the leg 611 of sense switch 50 along the plug-in card direction away from electronic cards insertion end one side, described the first switch terminal 51 includes elastic portion 510 and is located at the contact site 511 of elastic portion 510 ends, and described contact site 511 is rectangular structure in the plug-in card direction.Described conducting terminal 30, the first switch terminal 51 are to form with described metal base plate 60 integrated punchings, and be shaped in the insulating body 20, to electrically disconnect between each conducting terminal 30 and between conducting terminal and the metal base plate 60 by the mode of shearing at last, described the first switch terminal 51 then passes through leg 610,611 ground connection of metal frame 61.

Described sense switch 50 also comprises a second switch terminal 52 that is installed on insulating body 20 barricades 23 1 sides, the first elastic arm 521 that described second switch terminal 52 comprises the holding parts 520 of U-shaped, laterally tilt to extend to form to card insertion end from a U-shaped wall of holding parts 520, the second elastic arm 522 that is held in the first elastic arm 521 rear sides that laterally extends to form to card insertion end from another U-shaped wall of holding parts 520, and and the weld part 524 that jointly extends to form of the second elastic arm 522.The first elastic arm 521 ends of described second switch terminal 52 are provided with the pushed section 523 with contact site 511 butts of the first switch terminal 51, and one-body molded on the described pushed section 523 have a pushing block 53.The second elastic arm 522 ends of described second switch terminal 52 are provided with the abutting part 528 of butt the first elastic arm 521 rear sides to provide elastic force to the first elastic arm 521.Described the second elastic arm 522 tilts to extend to form flexible auxiliary arm 525 near the barricade 23 direction one of abutting part 528 1 ends towards insulating body 20, and the end 527 of the auxiliary arm 525 of described elasticity is connected on the described barricade 23.The auxiliary arm 525 of described elasticity extends to form after the upset of the second elastic arm 528 bottom sides, and forms the connecting portion 526 of U-shaped between the auxiliary arm 525 of elasticity and the second elastic arm 522.

In electronic cards plug-in card process, under the initial condition, the first switch terminal 51 of described sense switch 50 is in the electric connection state with second switch terminal 52; Promote backward the pushing block 53 of the first elastic arm 521 ends of the second switch terminal 52 of described sense switch 50 in described electronic cards, described second switch terminal 52 is strain backward, the end 527 of the auxiliary arm 525 of described elasticity will be connected on the barricade 23 of described insulating body 20 so that better elastic force to be provided, and avoid the defective that can't reply after second switch terminal 52 strains.

Compared to prior art, the utility model electronic card coupler the second elastic arm 522 rear side settings of the second switch terminal 52 of sense switch 50 can be with insulating body 20 barricades, 23 butts the auxiliary arm 525 of the elasticity of strain, improved the elastic deformation ability of second switch terminal 52, the defective of having avoided second switch terminal 52 excessively can't reply because of strain.

Claims

1. electronic card coupler, comprise insulating body, be covered in the shielding casing on the insulating body, be shaped in conducting terminal and metal base plate in the insulating body, and sense switch, described metal base plate comprises the metal frame that is embedded at the insulating body edge part, be extended with leg on the described metal frame, described sense switch comprises the first switch terminal, the second switch terminal, described the first switch terminal is to extend from described metal frame one to form and be electrically connected with leg on the metal frame, and it is characterized in that: described second switch terminal comprises the holding parts that is immobilizated on the insulating body, the weld part that extends to form from holding parts, from holding parts respectively towards card insertion end direction tilt the first elastic arm extend to form and the second elastic arm that is connected to the first elastic arm rear side, reach from the second elastic arm one to the auxiliary arm of the elasticity with the insulating body butt that extends to form away from the card insertion end direction.

2. electronic card coupler as claimed in claim 1, it is characterized in that: described the second elastic arm is provided with the abutting part that is connected to the first elastic arm rear side, and the auxiliary arm of described elasticity extends to form from the abutting part position of described the second elastic arm one.

3. electronic card coupler as claimed in claim 2 is characterized in that: described insulating body comprise main part, and one upwards take shape in barricade on the main part end edge, the end of the auxiliary arm of described elasticity is connected on the described barricade.

4. electronic card coupler as described in claim 3, it is characterized in that: the auxiliary arm of described elasticity extends to form after the second elastic arm bottom reversed, is formed with the connecting portion of U-shaped between the auxiliary arm of described elasticity and the second elastic arm.

5. electronic card coupler as claimed in claim 1, it is characterized in that: described the first elastic arm end is provided with the pushed section with described the first switch terminal electrical contact, and one-body molded on the described pushed section have a pushing block.

6. electronic card coupler as claimed in claim 5, it is characterized in that: described the first switch terminal includes elastic arm and is located at elastic portion terminal and be the contact site of rectangular structure, the pushed section electrical contact of the first elastic arm end of described contact site and described second switch terminal in the plug-in card direction.