CN211981052U - Electrical connector - Google Patents
Electrical connector Download PDFInfo
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- CN211981052U CN211981052U CN202020283510.5U CN202020283510U CN211981052U CN 211981052 U CN211981052 U CN 211981052U CN 202020283510 U CN202020283510 U CN 202020283510U CN 211981052 U CN211981052 U CN 211981052U
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- shielding
- flat plate
- contact part
- grounding elastic
- abutting
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Abstract
The utility model provides an electric connector for electric connection butt joint component, include: the first shielding sheets are arranged side by side at the left and right, each first shielding sheet is provided with a first flat plate part which is vertically arranged, and an upper grounding elastic sheet is formed by extending from the first flat plate part and is used for upwards abutting against the butt joint element; a plurality of signal terminals respectively positioned between the left and right first shielding sheets and the insulator, wherein each signal terminal is provided with an upper contact part extending forwards and used for upwards abutting against the butting element; to being located the contact site left and right sides and with two shielding pieces that the contact site is adjacent, two first flat board portions are to the distance of last contact site unequal, and wherein are far away from last contact site first flat board portion towards being close to the contact site bending type of going up and form the ground connection shell fragment to avoid ground connection shell fragment and signal terminal contact to take place the short circuit, and wherein are close first flat board portion towards keeping away from last contact site bending type of going up the ground connection shell fragment from last contact site, be favorable to promoting the shielding effect.
Description
[ technical field ] A method for producing a semiconductor device
The present invention relates to an electrical connector, and more particularly to an electrical connector with shielding effect.
[ background of the invention ]
With the rapid development of computer technology, the core number of chip modules is multiplied, and chip modules need more terminals to be matched for transmitting signals, so that the arrangement among a plurality of terminals is very tight, and the frequency of the signals transmitted by the terminals is higher and higher, so that signal interference is easily generated among the terminals.
Chinese patent No. CN201621180593.5 discloses an electrical connector for mating a chip module and a circuit board, which includes an insulating body; the signal terminal is fixedly held on the insulating body and is provided with a contact part which is abutted against the chip module; the first shielding sheet is fixedly held on the insulating body and positioned on one side of the signal terminal, and the first shielding sheet is provided with a butting part which is elastically butted against the chip module; and the second shielding sheet is fixedly held on the insulating body and is positioned on the other side of the signal terminal, the first shielding sheet is communicated with the second shielding sheet through a conductor, and the second shielding sheet is not abutted with the chip module.
However, the distance between the abutting portion and the two adjacent contact portions is equal, and the distance between the abutting portion and the contact portions is smaller due to the smaller distance between the signal terminals, so that the abutting portion and the contact portions are easy to contact and short-circuited.
Therefore, there is a need for a new connector that overcomes the above problems.
[ Utility model ] content
To solve the problems encountered in the prior art, an object of the present invention is to provide an electrical connector that is not easy to short-circuit the grounding elastic piece and the terminal.
In order to achieve the above object, the utility model adopts the following technical means:
an electrical connector for electrically connecting a mating component, comprising: the first shielding sheets are arranged side by side at the left and right, each first shielding sheet is provided with a first flat plate part which is vertically arranged, and the first flat plate parts are bent and extend forwards to form an upper grounding elastic sheet which is used for upwards abutting against the butt joint element; a plurality of signal terminals respectively positioned between the left and right first shielding sheets and positioned on the insulator, wherein each signal terminal is provided with an upper contact part extending forwards and used for upwards abutting against the butting element; for two shielding sheets which are positioned at the left side and the right side of the upper contact part and adjacent to the upper contact part, the distance from two first flat plate parts to the upper contact part is unequal, the first flat plate part far away from the upper contact part bends towards the upper contact part to form an upper grounding elastic sheet, and the first flat plate part near to the upper contact part bends towards the upper contact part to form an upper grounding elastic sheet.
Further, the plurality of insulators are arranged in rows in the left-right direction, the signal terminal is provided with a main body portion, the left side and the right side of the main body portion are positioned on the two insulators, an upper bending portion is bent upwards from the main body portion and extends, the upper contact portion is formed by extending forwards from the upper bending portion, a lower bending portion is bent downwards from the main body portion and extends, and a lower contact portion is formed by extending forwards from the lower bending portion and is used for being elastically abutted to the circuit board downwards.
Further, a plurality of second shielding pieces which are arranged side by side in front and back are further included, a plurality of accommodating spaces which are formed by vertically embedding the first shielding pieces and the second shielding pieces are respectively and correspondingly accommodated with the signal terminals, and injection molding insulators are arranged at the vertical embedding positions of the first shielding pieces and the second shielding pieces.
Furthermore, the second shielding piece is provided with a groove for accommodating the first shielding piece, one side of the groove convexly extends to form a first convex part, the first convex part is abutted against the side surface of the first flat plate part, the opposite side of the groove is provided with a side edge, a gap is formed between the side edge and the first shielding piece, the insulator part enters the gap, the side edge convexly extends to form a second convex part, the first shielding piece is provided with a notch, and the notch is clamped by the second convex part.
Furthermore, the upper grounding elastic sheet is provided with an upper abutting part for abutting against the abutting element upwards, and the upper abutting part and the upper contact part are arranged in a staggered mode along the front-back direction and the left-right direction.
Furthermore, the upper grounding elastic sheet is provided with an upper abutting part for abutting against the abutting element upwards, the upper abutting part extends forwards, and the distances from the upper contact part to the two upper abutting parts adjacent to the upper contact part at the left and right are equal.
Compared with the prior art, the utility model discloses following beneficial effect has:
the distances from the two left and right adjacent first shielding sheets to the upper contact part are different, and one first shielding sheet is closer to the upper contact part, so that the return stroke is short, the loss is less, and the shielding effect is improved; the other first shielding sheet is far away from the upper contact part, and the shielding sheet far away from the upper contact part extends towards the upper contact part to form the grounding elastic sheet, so that the grounding elastic sheet can be prevented from being in contact with the upper contact part to cause short circuit.
In order to achieve the above object, the present invention can further adopt the following technical means:
an electrical connector for electrically connecting a mating component, comprising: the shielding piece is provided with a vertically arranged flat plate part and a grounding elastic sheet connected to the flat plate part, the flat plate part is provided with a first side and a second side which are opposite, signal terminals are arranged on the first side and the second side, each signal terminal is provided with a contact part, the contact parts and the grounding elastic sheets are abutted to the abutting elements in the same direction, the distance from the first side to the upper contact part adjacent to the first side is greater than the distance from the second side to the upper contact part adjacent to the second side, and the grounding elastic sheet is located on the first side of the flat plate part.
Furthermore, the grounding elastic sheet is provided with a butting part for butting against the butting element, the extending directions of the butting part and the contact parts are consistent, and the distances from the butting part to the two adjacent contact parts are equal.
Furthermore, the contact part extends forwards, the shielding sheet is positioned between the left signal terminal and the right signal terminal, and the grounding elastic sheet is bent towards the contact part and then extends forwards to form the grounding elastic sheet.
Further, the plurality of insulators are arranged in rows in the left-right direction, the signal terminal is provided with a main body portion, the left side and the right side of the main body portion are located on the two insulators, a bending portion is bent and extended from the main body portion, and the contact portion is formed by extending forwards from the bending portion.
Compared with the prior art, the utility model discloses following beneficial effect has:
the distance from the flat plate part of the shielding sheet to two adjacent signal terminals is unequal, and the flat plate part is closer to one of the signal terminals, so that the return stroke is short, the loss is less, and the shielding effect is improved; the flat plate part is far away from the other signal terminal, and the grounding elastic sheet and the far signal terminal are positioned on the same side of the flat plate part, so that the grounding elastic sheet can be prevented from being in contact with the signal terminal to cause short circuit.
[ description of the drawings ]
Fig. 1 is an exploded perspective view of the electrical connector of the present invention;
FIG. 2 is an assembled view of the electrical connector of FIG. 1;
fig. 3 is a top view of the electrical connector of the present invention;
fig. 4 is a partial enlarged view of the electrical connector a of fig. 3;
fig. 5 is a partial cross-sectional view of another perspective of the electrical connector of the present invention.
Detailed description of the embodiments reference is made to the accompanying drawings in which:
| terminal with a terminal body | 1 | |
11 |
| |
12 | |
13 |
| |
14 | |
15 |
| |
2 | Through |
21 |
| |
22 | |
23 |
| |
3 | First |
31 |
| |
311 | |
312 |
| Upper grounding |
32 | Upper abutting |
321 |
| Lower grounding |
33 | Clamping |
34 |
| Notch (S) | 35 | |
4 |
| Second |
40 | |
41 |
| First convex |
411 | Second convex |
412 |
| |
413 | |
5 |
| |
100 |
[ detailed description ] embodiments
For the purpose of promoting a better understanding of the objects, structures, features, and functions of the invention, reference should now be made to the drawings and detailed description of the invention.
As shown in fig. 1 to 5, in an embodiment of the electrical connector 100 of the present invention, the electrical connector 100 is used for electrically connecting a first mating component (not shown) to a second mating component (not shown), in this embodiment, the first mating component is a chip module, the second mating component is a circuit board, the electrical connector 100 includes a plurality of terminals 1 arranged in a matrix (in this embodiment, all the terminals 1 are signal terminals, of course, in other embodiments, the terminals 1 may include signal terminals and ground terminals), an insulator 2 for fixing the terminals 1 (in this embodiment, the insulator 2 is a plastic material), a plurality of first shielding plates 3 and a plurality of second shielding plates 4 are vertically embedded to form a plurality of receiving spaces a corresponding to the receiving terminals 1 respectively (in this embodiment, one receiving space a receives one terminal 1, but, if there is a pair of differential signal terminals, one accommodating space a accommodates a pair of differential signal terminals), a first shielding plate 3 is arranged between the left and right rows of terminals 1, a second shielding plate 4 is arranged between the front and rear rows of terminals 1, and an insulating frame 5 is arranged around the first shielding plate 3 and the second shielding plate 4. For convenience of understanding of the drawings, a forward direction in the front-back direction is defined as an X-axis positive direction, a leftward direction in the left-right direction is defined as a Y-axis positive direction, and an upward direction in the up-down direction is defined as a Z-axis positive direction.
As shown in fig. 1, each terminal 1 has a main body 11 in a flat plate shape and fixed to the insulator 2, an upper bent portion 12 formed by bending the main body 11 back and forth and extending upward, and an upper contact portion 13 extending forward from the upper bent portion 12 for abutting against the first abutting element upward. A lower bending portion 14 formed by bending the main body portion 11 backward and then forward and extending downward, and a lower contact portion 15 extending forward from the lower bending portion 14 for contacting the second docking element downward.
As shown in fig. 1 to 3 and 5, a plurality of insulators 2 are arranged in a matrix. The insulator 2 is provided with a through groove 21 which penetrates through the insulator 2 from front to back for the first shielding sheet 3 to penetrate through, the front side surface of the insulator 2 is provided with a concave part 22 for accommodating the second shielding sheet 4, the left side and the right side of the insulator 2 are respectively provided with a fixing groove 23 which penetrates through the insulator 2 from top to bottom, the left fixing groove 23 and the right fixing groove 23 which are adjacent are aligned, the left side and the right side of the main body part 11 are respectively fixed on the two adjacent fixing grooves 23 of the two insulators 2 which are adjacent from left to right, the insulating frame body 5 is hollow, and the rear end and the front end of the first shielding sheet 3 and the left end and the right end of the second shielding sheet 4 are embedded in the insulating frame.
As shown in fig. 1 to 4, each of the first shielding plates 3 has a first flat plate portion 31 vertically disposed, the first flat plate portion 31 has a first side 311 and a second side 312 opposite to each other, the first flat plate portion 31 is bent and then extends forward to form a plurality of upper grounding spring pieces 32, each of the upper grounding spring pieces 32 has an upper abutting portion 321 for abutting against a mating component upward, the upper abutting portion 321 is consistent with the upper contact portion 13 in the extending direction, and the distances from the upper contact portion 13 to two upper abutting portions 321 adjacent to the upper contact portion 13 on the left and right sides are equal. The first flat plate 31 is bent and then extends a plurality of lower grounding elastic pieces 33 forward for abutting against the circuit board downward, the upper grounding elastic pieces 32 and the lower grounding elastic pieces 33 are arranged symmetrically up and down, and the upper grounding elastic pieces 32 and the lower grounding elastic pieces 33 are both located on the first side 311 of the first flat plate 31. For the two first shielding plates 3 located on the left and right sides of the upper contact portion 13 and adjacent to the upper contact portion 13, the distance between the two first flat plates 31 and the upper contact portion 13 is different, in this embodiment, the distance between the first flat plate 31 located on the left side and the upper contact portion 13 is L1, the distance between the first flat plate 31 located on the right side and the upper contact portion 13 is L2, L1 is greater than L2, the first flat plate 31 located on the left side is bent toward the upper contact portion 13 to form the upper grounding elastic piece 32, and the first flat plate 31 located on the right side is bent toward the upper contact portion 13 to form the upper grounding elastic piece 32. Each of the first flat plate portions 31 is recessed upward to form a plurality of slots 34, and the front and rear sides of each slot 34 hold the second shielding plate 4. The first flat plate portion 31 is recessed downward with a plurality of notches 35.
As shown in fig. 1 and 5, each of the second shielding plates 4 has a second flat plate portion 40 vertically disposed, the upper end of the second flat plate portion 40 is recessed downward to form a plurality of grooves 41 for receiving the first flat plate portion 31, the right side of each groove 41 protrudes a first protrusion 411, the first protrusion 411 abuts against the side surface of the first flat plate portion 31, the left side of each groove 41 has a side 413, the side 413 has a gap with the first flat plate portion 31, the insulator 2 partially enters the gap, a second protrusion 412 protrudes rightward from the side 413, and the second protrusion 412 engages with the corresponding recess 35 to stop the downward displacement of the second shielding plate 4.
Of course, in other embodiments, the upper grounding elastic piece 32 or the lower grounding elastic piece 33 may also be formed separately from the first shielding plate 3, for example, the upper grounding elastic piece 32 or the lower grounding elastic piece 33 is welded to the first shielding plate 3; in addition, the upper grounding elastic sheet 32 or the lower grounding elastic sheet 33 may also be connected to the second shielding sheet 4. Or in other embodiments the second shield plate 4 may be absent.
The utility model discloses an electric connector equipment flow as follows:
firstly, vertically embedding a first shielding sheet 3 and a second shielding sheet 4; secondly, injection Molding (Insert Molding) of the insulator 2 at the embedded part of the first shielding sheet 3 and the second shielding sheet 4, and embedding the rear end and the front end of the first shielding sheet 3 and the left end and the right end of the second shielding sheet 4 in the insulating frame 5; then, the terminal 1 is assembled to the insulator 2.
The utility model discloses an electric connector has following beneficial effect:
1. the distances from the two left and right adjacent first shielding sheets 3 to the upper contact part 13 are different, and one first shielding sheet 3 is closer to the upper contact part 13, so that the return stroke is short, the loss is less, and the shielding effect is improved; the other first shielding plate 3 is far away from the upper contact part 13, and the first shielding plate 3 far away from the upper contact part 13 extends towards the upper contact part 13 to form an upper grounding elastic sheet 32, so that the upper grounding elastic sheet 32 can be prevented from being in contact with the upper contact part 13 to cause short circuit.
2. The insulators 2 are arranged in rows in the left-right direction, the left side and the right side of the main body part 11 are positioned on the two insulators 2, so that more air can flow in the middle of the fixing part, and the heat dissipation of the terminal 1 is facilitated; an upper bending part 12 is bent and extended upwards from the main body part 11, an upper contact part 13 is formed by extending forwards from the upper bending part 12, a lower bending part 14 is bent and extended downwards from the main body part 11, and a lower contact part 15 is formed by extending forwards from the lower bending part 14 and is used for being elastically abutted to the circuit board downwards, and the distance between two adjacent front and rear terminals 1 is reduced because the two front and rear terminals 1 are not separated by the insulator 2, which is beneficial to the densification of the terminals 1.
3. The insulator 2 is arranged at the vertical embedded part of the first shielding sheet 3 and the second shielding sheet 4, which is beneficial to enhancing the embedded stability of the first shielding sheet 3 and the second shielding sheet 4 and the stability of the insulator 2.
5. The upper grounding elastic sheet 32 and the upper contact part 13 are arranged in a staggered manner along the front-back direction and the left-right direction, so that the contact short circuit between the terminal 1 and the upper grounding elastic sheet 32 can be prevented.
6. The upper contact portion 321 and the upper contact portion 13 extend in the same direction, and the distances from the upper contact portion 13 to the two upper grounding elastic pieces 32 adjacent to the upper contact portion on the left and right are equal, so that the shielding effects on the left and right sides of the upper contact portion 13 are balanced.
The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all the equivalent technical changes using the description and drawings of the present invention are included in the scope of the present invention.
Claims (10)
1. An electrical connector for electrically connecting a mating component, comprising: the method comprises the following steps:
the first shielding sheets are arranged side by side at the left and right, each first shielding sheet is provided with a first flat plate part which is vertically arranged, and the first flat plate parts are bent and extend forwards to form an upper grounding elastic sheet which is used for upwards abutting against the butt joint element;
a plurality of signal terminals respectively positioned between the left and right first shielding sheets and positioned on the insulator, wherein each signal terminal is provided with an upper contact part extending forwards and used for upwards abutting against the butting element;
for two shielding sheets which are positioned at the left side and the right side of the upper contact part and adjacent to the upper contact part, the distance from two first flat plate parts to the upper contact part is unequal, the first flat plate part far away from the upper contact part bends towards the upper contact part to form an upper grounding elastic sheet, and the first flat plate part near to the upper contact part bends towards the upper contact part to form an upper grounding elastic sheet.
2. The electrical connector of claim 1, wherein: the signal terminal is provided with a main body part, the left side and the right side of the main body part are positioned on the two insulators, an upper bending part is bent upwards and extends from the main body part, the upper contact part is formed by extending forwards from the upper bending part, a lower bending part is bent downwards and extends from the main body part, and a lower contact part is formed by extending forwards from the lower bending part and is used for being elastically abutted to the circuit board downwards.
3. The electrical connector of claim 1, wherein: the signal terminal further comprises a plurality of second shielding sheets which are arranged side by side in the front and back direction, a plurality of accommodating spaces are formed by vertically embedding the first shielding sheets and the second shielding sheets to respectively and correspondingly accommodate the signal terminals, and injection molding insulators are arranged at the vertical embedding positions of the first shielding sheets and the second shielding sheets.
4. The electrical connector of claim 3, wherein: the second shielding piece is provided with a groove for accommodating the first shielding piece, a first convex part protrudes from one side of the groove and abuts against the side surface of the first flat plate part, a side edge is arranged on the opposite side of the groove, a gap is formed between the side edge and the first shielding piece, the insulator part enters the gap, a second convex part protrudes from the side edge, the first shielding piece is provided with a notch, and the notch is clamped by the second convex part.
5. The electrical connector of claim 1, wherein: the upper grounding elastic sheet is provided with an upper abutting part for abutting the abutting element upwards, and the upper abutting part and the upper contact part are arranged in a staggered mode along the front-back direction and the left-right direction.
6. The electrical connector of claim 1, wherein: the upper grounding elastic sheet is provided with an upper abutting part for abutting against the abutting element upwards, the upper abutting part extends forwards, and the distances from the upper contact part to the two upper abutting parts adjacent to the upper contact part at the left and right are equal.
7. An electrical connector for electrically connecting a mating component, comprising: the shielding piece is provided with a vertically arranged flat plate part and a grounding elastic sheet connected to the flat plate part, the flat plate part is provided with a first side and a second side which are opposite, signal terminals are arranged on the first side and the second side, each signal terminal is provided with a contact part, the contact parts and the grounding elastic sheets are abutted to the abutting elements in the same direction, the distance from the first side to the upper contact part adjacent to the first side is greater than the distance from the second side to the upper contact part adjacent to the second side, and the grounding elastic sheet is located on the first side of the flat plate part.
8. The electrical connector of claim 7, wherein: the grounding elastic sheet is provided with a butting part for butting against the butting element, the butting part and the contact part have the same extending direction, and the distance from the butting part to the two adjacent contact parts is equal.
9. The electrical connector of claim 7, wherein: the contact part extends forwards, the shielding sheet is positioned between the left signal terminal and the right signal terminal, and the grounding elastic sheet is bent towards the contact part and then extends forwards to form the grounding elastic sheet.
10. The electrical connector of claim 7, wherein: the signal terminal is provided with a main body part, the left side and the right side of the main body part are positioned on the two insulators, a bending part is bent and extended from the main body part, and the contact part is formed by forward extension from the bending part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020283510.5U CN211981052U (en) | 2020-03-10 | 2020-03-10 | Electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020283510.5U CN211981052U (en) | 2020-03-10 | 2020-03-10 | Electrical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211981052U true CN211981052U (en) | 2020-11-20 |
Family
ID=73393904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020283510.5U Active CN211981052U (en) | 2020-03-10 | 2020-03-10 | Electrical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211981052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113725669A (en) * | 2021-08-25 | 2021-11-30 | 苏州意华通讯接插件有限公司 | Connector for substrate |
-
2020
- 2020-03-10 CN CN202020283510.5U patent/CN211981052U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113725669A (en) * | 2021-08-25 | 2021-11-30 | 苏州意华通讯接插件有限公司 | Connector for substrate |
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