TWM552688U - Electrical card connector - Google Patents

Description

Electronic card connector

The present invention relates to an electronic card connector, and more particularly to an electronic card connector that reduces the height of the insulating body when the card is inserted.

Most of today's mobile phones include electronic card connectors. As mobile phone products become thinner, electronic card connectors become thinner. When inserted into the drawer, the drawer seat presses against the insulating body to make the insulating body abut. The piezoelectric circuit board is further warped, so that the loss of the positive force when the conductive terminal contacts the electronic card further leads to poor contact of the conductive terminals.

Therefore, it is indeed necessary to provide a new electronic card connector to overcome the above drawbacks.

The purpose of the present invention is to provide an electronic card connector which is convenient in manufacturing process and can effectively reduce the loss of positive force when the conductive terminal is in contact with the electronic card, thereby making the contact of the conductive terminal good.

In order to achieve the above new object, the present invention adopts the following technical solution: an electronic card connector for soldering to a circuit board, the electronic card connector comprising an insulating body having a base, a plurality of conductive terminals held on the base, and a shielding case covering the accommodating space that is open at the front end with the insulating body, the conductive terminal includes a holding portion that is fixed to the base, and a soldering portion extending from one end of the holding portion a soldering portion of the circuit board and an elastic contact arm extending from the other end of the holding portion and having a contact portion protruding into the receiving space, the base being provided at the corresponding elastic contact arm for the a terminal groove elastically deforming the elastic contact arm in the up-and-down direction, and the terminal groove protrudes from the terminal groove corresponding to the side of the elastic contact arm to protrude into the terminal groove.

Further, the elastic contact arm includes a resilient arm that is hollowly disposed with a through hole, and the contact portion is disposed at a free end of the elastic arm.

Further, the bump extends into the through hole.

Further, the elastic contact arm has a substantially hollow triangular structure.

Further, the protrusions extend in the same direction as the elastic contact arms, and the thickness of the protrusions in the up and down direction is greater than the thickness of the elastic contact arms.

Further, the retaining portion protrudes from the terminal groove on a side of the terminal corresponding to the elastic contact arm to form a reinforcing portion, and the protruding portion partially covers the reinforcing portion and extends into the Inside the through hole.

Further, the base has a mounting surface that is mounted on the circuit board, and a lower surface of the bump is flush with a mounting surface of the base.

Further, the plurality of conductive terminals includes a plurality of first column conductive terminals and second column conductive terminals disposed in the lateral direction and disposed symmetrically in the lateral direction, and the first column conductive terminals and the second column conductive terminals The holding portion is fixed to a central base body disposed at a center of the base, and the elastic contact arms of the first row of conductive terminals and the second row of conductive terminals respectively extend outwardly of the base.

Further, the central base body is provided with a retaining groove for the welding portion of the first column of the conductive terminal and the second column of the conductive terminal, and the first column of the conductive terminal and the second column of the conductive terminal The soldering portion is disposed in a dislocation manner in the front-rear direction, and a spacer rib is disposed in the retaining groove between the first row of the conductive terminals disposed symmetrically in the lateral direction and the soldering portion of the second row of the conductive terminals.

Further, the electronic card connector further includes a card ejecting mechanism on one side of the insulative housing, the card ejecting mechanism includes a push rod having a notch and an actuator for abutting against the notch .

Compared with the prior art, the electronic card connector of the present invention has the following beneficial effects: since the bump is integrally formed on the insulating body, the bump contacts the circuit board when the drawer seat is inserted, thereby effectively reducing the insulation. The warpage amplitude of the body when subjected to pressure, slowing the warpage of the conductive terminal, and preventing the loss of the positive force when the conductive terminal contacts the electronic card.

Please refer to the first to the tenth drawings together with an electronic card connector 100 according to the present invention. Define the insertion direction of the drawer from the back.

Referring to the first to fifth figures, the electronic card connector 100 of the present invention is used for soldering to a circuit board 200, which includes an insulative housing 1 having a base 11, and a plurality of conductive terminals 2, which are held by the base 11. The insulative housing 1 constitutes a shielding case 5 for accommodating the opening 50 in the front end, a drawer seat 3 in which the external electronic card is inserted in the receiving space 50, and a drawer that is held on the side of the insulative housing 1 The card ejecting mechanism 4 of the seat 3, a pair of abutting arms 6 held on the lateral sides of the insulative housing, and a switch terminal 7 located at the front end of the insulative housing 1.

Referring to the fourth to sixth embodiments, the insulative housing 1 includes the base 11 and a central base 111 for fixing the conductive terminal 2 disposed along the insertion direction at an intermediate position on the base 11. Terminal grooves 112 on the two sides of the central base 111 for elastically deforming the conductive terminals 2 in the vertical direction, a pair of receiving grooves 113 on both sides of the base 11, and a holding portion at the front end on the side of the base 11 114 and a mounting surface 115 on the bottom surface of the base 11 soldered to the circuit board 200. The central base 111 includes a projection 1111 extending integrally from the lateral sides, a retaining groove 1112 extending in the middle of the central base 111, and a spacer rib 1113 disposed in the retaining groove 1112. The bump 1111 can be elastically displaced in the up and down direction. The lower surface of the bump 1111 is flush with the mounting surface 115.

Referring to the fourth to tenth drawings, the conductive terminal 2 is integrally formed with the insulating body 1 and held by the central base 111, and is formed by stamping a metal strip, and is divided into two groups. The plurality of conductive terminals 2 include a plurality of first column conductive terminals 24 and second column conductive terminals 25 disposed in the lateral direction and disposed symmetrically in the lateral direction. Each of the conductive terminals 2 includes a holding portion 22 fixed to the base, a soldering portion 23 soldered to the circuit board extending from one end of the holding portion 22, and extending from the other end of the holding portion 22 The elastic contact arm 21 having the contact portion 211 projecting into the accommodating space 50 is formed. The weld portion 23 is located in the retaining groove 1112.

The terminal slot 112 is located at the base 11 at a position corresponding to the elastic contact arm 21. The elastic contact arm 21 has a substantially hollow triangular structure including a hollow arm 212 having a through hole 213, and the contact portion 211 is disposed at a free end of the elastic arm 212. The bump 1111 extends into the through hole 213. The protrusion 1111 and the elastic contact arm 21 extend in the same direction, and the thickness of the protrusion 1111 in the up and down direction is greater than the thickness of the elastic contact arm 21. The holding portion 22 protrudes from the terminal groove 112 toward the terminal groove 112 on a side corresponding to the side of the elastic contact arm 21 to form a reinforcing portion 221 . The reinforcing portion 221 is provided in such a manner that it is easier to mold and more mass-produced. The protrusion 1111 partially covers the reinforcing portion 221 and extends into the through hole 213.

Referring to the fourth to tenth drawings, the first row of the conductive terminals 24 and the holding portions 22 of the second row of the conductive terminals 25 are fixed to the central base 111 disposed at the center of the base, and the first row of conductive terminals 24 and the elastic contact arms 21 of the second row of conductive terminals 25 respectively extend to both outer sides of the lateral sides of the base 11. The first row of the conductive terminals 24 and the soldering portions 23 of the second column of the conductive terminals 25 are offset from each other in the front-rear direction. The spacing ribs 1113 are disposed in the retaining groove 1112 between the laterally disposed first row of conductive terminals 24 and the second row of conductive terminals 25 . In other embodiments, the bumps may also be located at other locations of the central substrate, and the bumps may be as close as possible to the circuit board 200.

Referring to the seventh to tenth drawings, the bump 1111 is located above the circuit board 200, and when the drawer seat 3 provided with the external electronic card is inserted into the receiving space, the drawer seat 3 is pressed. The elastic contact arm 21 of the conductive terminal 2 receives the pressure from the top to the bottom to push the bump 1111 to the downward pressure, and the bump enters the circuit board 200, so that the bump The middle portion of the base 11 is tilted upward to form a gap 10.

Referring to FIGS. 3 to 6 , the drawer seat 3 is received in the receiving space 50 . The drawer base 3 includes a pair of holding grooves 31 provided at the front ends on the lateral sides. The resisting arm 6 is received in the receiving slot 113 , and each of the resisting arms 6 includes a blocking portion 61 that is engaged with the latching slot 31 for limiting the drawer seat 3 .

Referring to the third to sixth figures, the card ejecting mechanism 4 includes a push rod 41 and an actuator 42 that is engaged with the push rod 41 for retracting the drawer base 3. The push rod 41 includes a notch 411 provided at the front end, and the actuator 42 is engaged with the recess to realize the linkage with the push rod to retreat the drawer seat 3.

Referring to the fourth to sixth figures, the switch terminal 7 is clamped to the latching portion 114 to implement the switching function of the electronic card connector 100.

Compared with the prior art, the present invention has the following beneficial effects: since the bump 1111 is integrally formed on the insulative housing 1, the bump 1111 contacts the circuit board 200 when inserted into the drawer seat, thereby effectively reducing the insulation. The warping amplitude of the body 1 under pressure is reduced, the degree of warpage of the conductive terminals is slowed, and the loss of the positive force when the conductive terminals are in contact with the electronic card is prevented.

The above descriptions are only partial implementations of the present invention, and not all of the embodiments, and any equivalent changes taken by those skilled in the art by reading the present specification are covered by the claims of the present invention. .

100‧‧‧electronic card connector
200‧‧‧ boards
1‧‧‧Insulating body
11‧‧‧Base
10‧‧‧ gap
111‧‧‧Central base
1111‧‧‧Bumps
1112‧‧‧Let the slot
1113‧‧‧ spaced ribs
112‧‧‧Terminal slot
113‧‧‧ accommodation trough
114‧‧‧Cars Department
115‧‧‧Installation surface
2‧‧‧Electrical terminals
21‧‧‧Flexible contact arm
211‧‧‧Contacts
212‧‧‧Bounce arm
213‧‧‧through hole
22‧‧‧ Holding Department
221‧‧‧ Strengthening Department
23‧‧‧Weld Department
24‧‧‧First row of conductive terminals
25‧‧‧Second row of conductive terminals
3‧‧‧Drawer
31‧‧‧ card slot
4‧‧‧Retirement agency
41‧‧‧Put
411‧‧‧ notch
42‧‧‧Execution
5‧‧‧Shaded housing
50‧‧‧ accommodating space
6‧‧‧Resistance arm
61‧‧‧blocking
7‧‧‧Switch terminals

The first figure is a perspective view of the novel electronic card connector soldered to the circuit board.

The second figure is a perspective view of the new electronic card connector when the circuit board is soldered without being inserted into the drawer.

The third figure is a perspective view of the shielding case of the novel electronic card connector when the insulating body is not shielded.

The fourth figure is an exploded perspective view of the shielding case, the drawer seat and the insulating body welded to the circuit board of the novel electronic card connector.

The fifth figure is an exploded perspective view of the novel electronic card connector.

Figure 6 is an enlarged view of the insulative housing and the conductive terminals in the fifth figure.

The seventh drawing is a cross-sectional view taken along line VII-VII in the second drawing.

The eighth figure is an enlarged view of the seventh figure.

The ninth drawing is a cross-sectional view along IX-IX in the first figure.

The tenth figure is an enlarged view of the ninth figure.

1‧‧‧Insulating body

11‧‧‧Base

1111‧‧‧Bumps

2‧‧‧Electrical terminals

5‧‧‧Shaded housing

50‧‧‧ accommodating space

200‧‧‧ boards

Claims (10)

An electronic card connector for soldering to a circuit board, the electronic card connector comprising an insulative housing having a base, a plurality of conductive terminals held on the base, and covering the insulative housing to form the insulative housing a shielding case that accommodates a receiving space of the front end, the conductive terminal includes a holding portion that is fixed to the base, a welded portion that is soldered to the circuit board and extends from one end of the holding portion, and a holding portion that is soldered from the holding portion And a resilient contact arm having a contact portion protruding into the receiving space, wherein the base is provided with a terminal slot corresponding to the elastic contact arm for elastically deforming the elastic contact arm in an up and down direction, wherein The terminal slot protrudes from the terminal groove corresponding to the side of the elastic contact arm to protrude into the terminal slot. The electronic card connector of claim 1, wherein the elastic contact arm comprises a spring arm that is hollowly disposed with a through hole, and the contact portion is disposed at a free end of the elastic arm. The electronic card connector of claim 2, wherein the bump extends into the through hole. The electronic card connector of claim 2, wherein the elastic contact arm has a substantially hollow triangular structure. The electronic card connector of claim 3, wherein the bumps extend in the same direction as the elastic contact arms, and the thickness of the bumps in the up and down direction is greater than the thickness of the elastic contact arms. The electronic card connector of claim 3, wherein the retaining portion protrudes from the terminal slot on a side of the terminal corresponding to the elastic contact arm toward the terminal slot to form a reinforcing portion. The bump portion covers the reinforcing portion and extends into the through hole. The electronic card connector of claim 1, wherein the base has a mounting surface that is mounted to the circuit board, and a lower surface of the bump is flush with a mounting surface of the base. The electronic card connector of claim 3, wherein the plurality of conductive terminals comprise a plurality of first row of conductive terminals and a second column of conductive terminals disposed in the lateral direction and disposed symmetrically in the lateral direction. The retaining portion of the first row of conductive terminals and the second row of conductive terminals is held by a central base disposed at a center of the base, and the elasticity of the first column of conductive terminals and the second column of conductive terminals The contact arms extend to both lateral sides of the base, respectively. The electronic card connector of claim 8, wherein the central base body is provided with a retaining groove for allowing a welded portion of the first row of conductive terminals and the second row of conductive terminals. The soldering portions of the first row of the conductive terminals and the second row of the conductive terminals are dislocated in the front-rear direction, and the soldering portions of the first column of the conductive terminals and the second row of the conductive terminals are disposed symmetrically A spacer rib is disposed in the yielding groove. The electronic card connector of claim 1, wherein the electronic card connector further comprises a card ejecting mechanism on a side of the insulative housing, the card ejecting mechanism comprising a push rod having a notch and An actuator for retracting with the recess.