TWM471051U - Sink card connector - Google Patents

Abstract

A sink card connector includes an housing, a plurality of terminals received in the housing, a shell enclosing the housing directly and detection terminal received in the housing. The detection terminal includes a retention portion of the insulation installed in the housing, the detection terminal also includes a self-installing rear end of the crank bent inwards from the end of the crank level of the connecting portion and extending rearward from the connecting portion continued at the top end of the welded portion extending rearwardly of said welded portion is located on the upper side detects the terminal. So that making card connector can sink plate welded to the circuit board.

Description

Sink plate card connector

The present invention relates to a sinker card connector, and more particularly to a sinker card connector having a detecting terminal.

A related art can be referred to a card connector disclosed in Chinese Utility Model Patent No. CN 202585910, which is issued on Dec. 05, 2012, which comprises an insulative body, a plurality of conductive terminals mounted in the insulating body, and a shielding of the shielding insulative body. a first detecting terminal and a second detecting terminal mounted on the insulating body, the insulating body is provided with a bottom wall, a first side wall and a second side wall extending upward from left and right sides of the bottom wall, and a bottom The rear end of the wall and the mounting wall connecting the two side walls, the detecting terminal is provided with a mounting portion held in the mounting wall, a vertical portion extending forward from the mounting portion, and a welded portion extending rearward from the extending end of the vertical portion. In order to save space, some places need to solder the connector plate to the circuit board. However, the soldering leg of the card connector is in the same plane as the bottom wall, and there is not enough height space for the card connector to be soldered to the circuit board. On the board.

Therefore, in view of the above technical problems, it is necessary to provide a sinker type card connector having an improved structure to overcome the above drawbacks.

The purpose of this creation is to provide a sinker card connector that is simple in construction and meets high soldering requirements.

In order to achieve the above objective, the present invention adopts the following technical solution: a sinking card connector, comprising an insulating body, a plurality of conductive terminals mounted in the insulating body, a shielding shell covering the insulating body, and a detecting terminal mounted on the insulating body Forming a card space between the insulative housing and the shielding shell, the insulative housing is provided with a bottom wall, a first side wall and a second side wall extending upward from left and right sides of the bottom wall, and a rear end of the bottom wall a mounting wall connecting the two side walls, the bottom of the mounting wall is provided with a mounting surface, the mounting surface is located above the bottom wall, and the detecting terminal comprises a mounting portion held in the mounting wall, wherein the detecting terminal further comprises a curved arm that is bent inward at the rear end of the mounting portion, a connecting portion that extends horizontally rearward from the end of the curved arm, and a welded portion that extends rearward from the top end of the connecting portion, the welded portion being located on the upper side of the detecting terminal.

Compared with the prior art, the present invention has the following functions: the detecting terminal of the creative sinking card connector further includes a crank arm bent from the end of the mounting portion toward the conductive terminal and extending obliquely downward to the mounting wall, a vertical portion extending upwardly from the extended end of the curved arm and a welded portion extending from the extending end of the vertical portion to the rear end, the welded portion is provided with a welding surface for welding with the circuit board, the curved arm along the insulating body The height direction is between the welding surface and the mounting surface, which provides sufficient height for the card connector to be soldered to the board.

1‧‧‧Insulating body

10‧‧‧ bottom wall

101‧‧‧ top surface

102‧‧‧ bottom

11‧‧‧ docking

110‧‧‧ guiding slot

111‧‧‧ inside side

113‧‧‧holding blocks

12‧‧‧First side wall

121‧‧‧Simplified arm

1210‧‧‧Bumps

1211‧‧‧ Abutment

122‧‧‧First mounting hole

123‧‧‧ convex hull

13‧‧‧Second side wall

130‧‧‧Second containment chamber

131‧‧‧Second mounting hole

14‧‧‧Installation wall

140‧‧‧ Reception trough

141‧‧‧Interference slot

142‧‧‧Installation surface

2‧‧‧shading shell

21‧‧‧ top board

22‧‧‧ first side

23‧‧‧Second side

24‧‧‧First arm

241‧‧‧Cantilever

25‧‧‧Second arm

26‧‧‧Repression tablets

27‧‧‧Knockout

28‧‧‧ Notch

3‧‧‧Electrical terminals

30‧‧‧Free end

31‧‧‧Guidance

32‧‧‧Extension

33‧‧‧Fixed Department

331‧‧‧ barbed

34‧‧‧ soldering feet

4‧‧‧First detection terminal

41‧‧‧First elastic contact

42‧‧‧First Holding Department

43‧‧‧First Installation Department

44‧‧‧First arm

45‧‧‧First connection

46‧‧‧First Welding Department

5‧‧‧Second detection terminal

51‧‧‧Second elastic contact

52‧‧‧Second holding unit

53‧‧‧Second Installation Department

54‧‧‧second arm

55‧‧‧Second connection

56‧‧‧Second welding department

200‧‧‧ boards

The first picture is a perspective view of the created sinking card connector.

The second figure is a partial exploded view of the created sinking card connector.

The third figure is an exploded view of the created sinking card connector.

The fourth figure is a partial exploded view of another angle of the created sinking card connector.

The fifth picture is similar to the second picture, taken from another angle.

The present invention will be further described in detail below with reference to the accompanying drawings.

The sink plate card connector 100 is soldered to the circuit board 200 for plugging in an electronic card (not shown). The sink card card connector 100 includes an insulative housing 1 and a plurality of conductive terminals mounted in the insulative housing 1 . 3. The shielding housing 2 covering the insulative housing 2, the card insertion space 6 formed between the shielding housing 2 and the insulative housing 1, and the first detecting terminal 4 and the second detecting terminal 5 mounted on the insulative housing 1 .

Referring to the second to fifth figures, the insulative housing 1 is provided with a bottom wall 10 opposite to the shielding housing 2, and a first side wall 12, a second side wall 13 and a connection extending upward from the left and right sides of the bottom wall 10. Mounting walls 14 at the rear ends of the side walls 12, 13 and the bottom wall 10. The mounting wall 14 is provided with a mounting surface 142. The first sidewall 12 is provided with a receiving cavity 120 for receiving the first detecting terminal 4 . The receiving cavity 120 extends through the sidewall 12 upwardly and extends through the mounting wall 14 to form a first mounting hole 122 (refer to Figure 5). The insulative housing 1 is further provided with an abutting surface 11 that is inserted into an electronic card (not shown). The two side walls 12, 13 and the bottom wall 10 together form a guiding groove 110 which is located on both sides of the card space 6 to guide the insertion of an electronic card (not shown). The bottom wall of the guiding groove 110 is the bottom wall 10 of the insulating body 1. The guiding groove 110 is further provided with an inner side surface 111 vertically connecting the top wall and the bottom wall, and the receiving cavity 120 is horizontally side The inner side surface 111 is penetrated to communicate with the card space 6 , and a part of the top wall of the guiding groove 110 is a simple arm 121 suspended above the guiding groove 110 . The top of the simple arm 121 is provided with a convex hull 123 protruding upward to cooperate with the shielding shell 2. The one side of the simple arm 121 facing the receiving cavity 120 is further provided with an abutting surface 1211 and a protrusion 1210 protruding from the abutting surface 1211 into the receiving cavity 120. The outer side of the first side wall 12 and the second side wall 13 is further provided with a plurality of fastening blocks 113 that are fastened to the shielding shell 2 . The bottom wall 10 is provided with a top surface 101 for supporting an electronic card and a bottom surface 102 opposite to the top surface 101.

Referring to the third to fifth embodiments, the second sidewall 13 is provided with a second receiving cavity 130 horizontally extending through the second sidewall 13 for receiving the second detecting terminal 5, and the second receiving cavity 130 is located at the second receiving cavity 130. A second mounting hole 131 is formed at an intermediate position of the two side walls 13 and extends rearward through the mounting wall 14. The mounting wall 14 is provided with an array of receiving slots 140 for receiving the conductive terminals 3 and an interference slot 141 located above the receiving slot 140 and communicating with the receiving slot 140. The interference groove 141 is higher than the height of the mounting surface 142 in the height direction of the insulative housing 1 .

The conductive terminal 3 is provided with a fixing portion 33 mounted in the mounting groove 140, a soldering leg 34 extending rearward from the fixing portion 33 beyond the mounting wall 14, an extending portion 32 extending forward from the fixing portion 33, and a self-extension portion 32 The elastic guide portions 31 projecting in the shape of the front and the bottom wall 10 are arranged in a row, and the guide portions 31 are arranged in a row along the width direction of the insulative housing 1. A barb 331 that interferes with the inner wall of the interference groove 141 is further disposed on both sides of the fixing portion 33. The conductive terminal 3 is also provided with a free end 30 that continues to extend forward from the elastic guiding portion 31.

The shielding shell 2 is provided with a top plate 21 covering the card space 6 of the insulative housing 1 , a first side 22 and a second side 23 extending perpendicularly from opposite sides of the top plate 21 . The first side arm 22 is provided with a first elastic arm 24 which is formed by tearing from the middle position of the first side edge 22, and the first elastic arm 24 is provided with a cantilever 241 extending obliquely into the first receiving cavity 120. The free end of the cantilever 241 abuts against the bump 1210 of the insulative housing 1 to hold the sink card connector 100 when the electronic card is not inserted, the first detecting terminal 4 and the first elastic arm 24 do not mutually contact. The second side edge 23 is provided with a second elastic arm 25 which is formed by tearing from a middle position of the second side edge 23. The first elastic arm 24 and the first detecting terminal 4 together form a detecting function for whether the electronic card is in a write-protected state. The second elastic arm 25 and the second detecting terminal 5 together form a detecting function for inserting the electronic card into the sunken card connector 100. The top plate 21 is provided with a notch 28 penetrating vertically through the top plate 21, and the notch 28 cooperates with the convex hull 123 on the simple arm 121 for reinforcing the strength of the simple arm 121.

The top plate 21 is further provided with a plurality of pressing pieces 26 which are torn into the card space 6 to be pressed downward to assist in positioning the electronic card. Each of the first side 22 and the second side 23 is provided with a plurality of latching openings 27 that are fastened to the latching block 113 of the insulative housing 1 for reinforcing the shielding housing 2 and the insulative housing 1 Fixed strength.

The mounting surface 142 of the present plate-type card connector 100 is located above the bottom wall 10, and the height of the soldering legs 34 of the conductive terminals 3 substantially coincides with the mounting surface 142. The first detecting terminal 4 is provided with a first mounting portion 43 vertically mounted in the first mounting hole 122 , a first retaining portion 42 extending forward from the first mounting portion 43 , and a front end of the first retaining portion 42 . a first elastic contact portion 41 protruding in a mountain shape into the card space 6, a first curved arm 44 bent inward from a rear end of the first mounting portion 43, and a first connection extending horizontally rearward from an end of the first curved arm 44 The portion 45 and the first welded portion 46 continuing from the end of the first connecting portion 45 to the rear. The first holding portion 42 is located on a vertical plane, and the first curved arm 44 is bent inward from a vertical trailing edge of the first mounting portion 43 and extends obliquely downward. The first connecting portion 45 is bent rearward from the top edge of the first crank arm 44. Therefore, the first soldering portion 46 is located on the upper side of the first detecting terminal 4, and is offset inwardly, closer to the soldering leg 34 of the conductive terminal 3, and is in the same row as the soldering leg 34, and is also coplanar. Settings.

The second detecting terminal 5 is provided with a second mounting portion 53 vertically installed in the second mounting hole 131 , a second holding portion 52 extending forward from the second mounting portion 53 , and a front end of the second holding portion 52 . a second elastic contact portion 51 protruding in a mountain shape into the card space 6, a second curved arm 54 bent inward from the rear end of the second mounting portion 53, and a second horizontally extending rearward end from the second curved arm 54 The connecting portion 55 and the second welded portion 56 continuing from the end of the second connecting portion 55 continue to extend rearward. The second holding portion 52 is located on a vertical plane, and the second curved arm 54 is bent inward from a vertical trailing edge of the second mounting portion 53 and extends obliquely downward. The second connecting portion 55 is bent rearward from the top edge of the second crank arm 54. Therefore, the second soldering portion 56 is located on the upper side of the second detecting terminal 5, and is offset inwardly, closer to the soldering leg 34 of the conductive terminal 3, and is in the same row as the soldering leg 34, and is also coplanar. Settings.

The detection terminal of the creation of the sinking type plate-type card connector has achieved the installation requirement of the sinking installation by a simple multi-stage bending process.

In summary, this creation is in line with the new patent requirements, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and those who are familiar with the skill of the present invention are equivalent to the equivalent modifications or changes made by the spirit of the present creation. It should be covered by the following patent application.

1‧‧‧Insulating body

10‧‧‧ bottom wall

101‧‧‧ top surface

11‧‧‧ docking

110‧‧‧ guiding slot

113‧‧‧holding blocks

12‧‧‧First side wall

123‧‧‧ convex hull

13‧‧‧Second side wall

130‧‧‧Second containment chamber

14‧‧‧Installation wall

140‧‧‧ Reception trough

141‧‧‧Interference slot

142‧‧‧Installation surface

2‧‧‧shading shell

21‧‧‧ top board

22‧‧‧ first side

24‧‧‧Second arm

241‧‧‧Cantilever

27‧‧‧Knockout

28‧‧‧ Notch

3‧‧‧Electrical terminals

30‧‧‧Free end

31‧‧‧Guidance

32‧‧‧Extension

33‧‧‧Fixed Department

331‧‧‧ barbed

34‧‧‧ soldering feet

4‧‧‧First detection terminal

41‧‧‧First elastic contact

42‧‧‧First Holding Department

43‧‧‧First Installation Department

44‧‧‧First arm

45‧‧‧First connection

46‧‧‧First Welding Department

5‧‧‧Second detection terminal

51‧‧‧Second elastic contact

52‧‧‧Second holding unit

53‧‧‧Second Installation Department

54‧‧‧second arm

55‧‧‧Second connection

56‧‧‧Second welding department

Claims (10)

A sinking card connector comprising:
The insulating body comprises a bottom wall, first and second side walls extending upward from left and right sides of the bottom wall, and a mounting wall at the rear end of the bottom wall and connecting the two side walls;
a plurality of conductive terminals are mounted in the insulating body;
The shielding shell covers the insulating body;
The detecting terminal is mounted on the insulating body;
A card insertion space is formed between the insulative housing and the shielding shell. The bottom of the mounting wall is provided with a mounting surface, the mounting surface is located above the bottom wall, and the detecting terminal comprises a mounting portion held in the mounting wall. The detecting terminal further includes a curved arm bent inward from the rear end of the mounting portion, a connecting portion extending horizontally rearward from the end of the curved arm, and a welding portion extending from the top end of the connecting portion to the rear, the welding portion is located Detect the upper side of the terminal. The sinking card connector of claim 1, wherein the detecting terminal further comprises a holding portion extending forward from the mounting portion and an elastic contact portion protruding from the front end of the connecting portion into the card space. The holding portion is located in a vertical plane. The sinking card connector of claim 2, wherein the first side wall and the second side wall are respectively provided with first and second receiving cavities, and the detecting terminals are respectively vertically received in the first a first detecting terminal and a second detecting terminal of the second receiving cavity. The sinking card connector of claim 1, wherein the mounting wall is provided with a plurality of mounting slots for receiving the conductive terminals, and an interference slot for continuing to recess from the mounting slot, the interference slot The height is higher than the mounting surface. The sinking card connector of claim 4, wherein the conductive terminal comprises a fixing portion installed in the mounting groove, a soldering leg extending rearward beyond the mounting wall from the fixing portion, and extending forward from the fixing portion. The extending portion and the guiding portion extending forward from the extending portion, wherein the soldering leg and the soldering portion of the detecting terminal are in the same row. The sinking card connector of claim 3, wherein the shielding shell is provided with a top panel that is shielded above the card space of the insulative housing, and a first side that extends vertically downward from both sides of the top panel And the second side, the top plate is provided with a plurality of pressing pieces protruding toward the card space, and the pressing piece is used for pressing down the electronic card. The sinking card connector of claim 6, wherein the first side edge is provided with a first elastic arm formed by tearing from an intermediate position of the first side, the first elastic arm and the first A detection terminal collectively forms a detection function for whether the electronic card is in an anti-write state. The sinker card connector of claim 6, wherein the second side edge is provided with a second elastic arm formed by tearing from a middle position of the second side, the second elastic arm and the second The two detecting terminals collectively form a detecting function for inserting the electronic card into the sinking card connector. The sinking card connector of claim 6, wherein the first and second side edges are further provided with a plurality of fastening openings penetrating the side edges, and the first side wall and the second side wall are provided outside And a plurality of latching blocks protruding outwardly, the latching block and the latching port cooperate to fix the shielding shell to the insulative housing. The sinking card connector of claim 6, wherein the top of the first side wall is provided with a convex package protruding upward, and the top plate of the shielding case is further provided with a notch penetrating downwardly through the top plate, The convex hull and the recess cooperate to enhance the fixing effect of the shielding shell.