CN218648182U - Small-space high-speed signal connector - Google Patents
Small-space high-speed signal connector Download PDFInfo
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- CN218648182U CN218648182U CN202223033080.XU CN202223033080U CN218648182U CN 218648182 U CN218648182 U CN 218648182U CN 202223033080 U CN202223033080 U CN 202223033080U CN 218648182 U CN218648182 U CN 218648182U
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Abstract
The utility model provides a small-spacing high-speed signal connector, including insulator and respectively from insulator trailing flank, leading flank embedding insulator in last row terminal and lower row terminal, insulator leading flank is the electronic card interface that is located between last row terminal and the lower row terminal, last row terminal and lower row terminal all include contact site, connecting portion and weld part, the connecting portion of last row terminal include horizontal connecting portion and vertical connecting portion, there are two adjacent signal terminals between every two ground terminals in the last row terminal, the vertical connecting portion of two adjacent signal terminals be close to each other, the vertical connecting portion of each signal terminal keeps away from the vertical connecting portion of adjacent ground terminal; this booth is apart from high-speed signal connector can effectively reduce signal transmission's loss, effectively reduces the interference between the inside signal terminal of connector, effectively reduces the interference of external signal to the inside signal terminal of connector, the resonance of effectual reduction signal.
Description
Technical Field
The utility model belongs to the connector field, concretely relates to booth is apart from high-speed signal connector.
Background
The existing m.2 connector has been developed to the fifth generation (Gen 5), the signal transmission speed is doubled compared with the previous generation (Gen 4), the signal transmission speed is increased from 16GT/s to 32GT/s, the signal transmission frequency is widened from 10GHz to 24GHz, and the original design (without shielding structure) has not met the development requirement under the requirements of high speed and high frequency.
Chinese patent CN202122414771.3 discloses a card edge connector, which is an original design without a shielding structure and cannot meet the development requirement. The grounding assembly comprises an insulating body, a row of first terminals, a row of second terminals and a grounding assembly, wherein the insulating body comprises a front end face and a rear end face which are opposite, and a clamping groove which penetrates through the front end face; the grounding assembly at least comprises a first grounding part and a second grounding part which are arranged in parallel at intervals, and the first grounding part and the second grounding part are positioned between two first fixing parts in the vertical direction and are both provided with elastic arms abutted against the connecting parts. In the first terminal, a pair of adjacent signal terminals is provided between two ground terminals. The card edge connector has the following defects: the pitch between the connecting portions of the two signal terminals of the first terminal is uniform from top to bottom, and the pitch between the connecting portions of the signal terminal of the first terminal and the adjacent ground terminal is uniform from top to bottom, so that there are a loss of signal transmission and a resonance of a signal.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a booth is apart from high-speed signal connector, every vertical connecting portion to signal terminal are close to each other and the vertical connecting portion of each signal terminal keeps away from the vertical connecting portion of adjacent ground terminal, and under the high-speed high frequency requirement, effectively reduce signal transmission's loss, effectively reduce the interference between the connector internal signal terminal, effectively reduce the interference of external signal to connector internal signal terminal, the resonance of effectual reduction signal.
In order to solve the technical problem, the utility model discloses the technical scheme who uses is:
the small-spacing high-speed signal connector comprises an insulating body, an upper row of terminals and a lower row of terminals, wherein the upper row of terminals and the lower row of terminals are embedded into the insulating body from the rear side surface and the front side surface of the insulating body respectively, the front side surface of the insulating body is provided with an electronic card insertion port positioned between the upper row of terminals and the lower row of terminals, the upper row of terminals and the lower row of terminals respectively comprise a contact part, a connecting part and a welding part, the connecting part of the upper row of terminals comprises a horizontal connecting part and a vertical connecting part, two adjacent signal terminals are arranged between every two ground terminals in the upper row of terminals, the vertical connecting parts of the two adjacent signal terminals are close to each other, and the vertical connecting part of each signal terminal is far away from the vertical connecting part of the adjacent ground terminals.
Furthermore, the vertical connecting portion comprises a bending portion connected with the rear end of the horizontal connecting portion, an extending portion connected with the lower end of the bending portion, and a material belt connecting portion connected with the lower end of the extending portion, the extending portions of every two adjacent signal terminals are close to each other, and the extending portion of each signal terminal is far away from the extending portion of the adjacent ground terminal.
Further, the extension portion comprises an upper section and a lower section which are respectively connected with the bending portion and the material belt connecting portion, the upper section is formed by bending towards the same side from the bending portion and the material belt connecting portion, a vertical central line of the bending portion is overlapped with a vertical central line of the lower section, a vertical central line of the upper section deviates and is parallel to the vertical central lines of the bending portion and the lower section, vertical central lines of upper sections of every two adjacent signal terminals are close to each other, and a vertical central line of the upper section of each signal terminal is far away from a vertical central line of an adjacent grounding terminal.
Further, the distance between the upper sections of every two adjacent signal terminals of the upper row of terminals and the center distance are smaller than the distance between the upper sections of the signal terminals and the upper sections of the adjacent ground terminals, and the center distance between every two adjacent signal terminals at the positions except the upper sections is equal to the center distance between the signal terminals at the positions except the upper sections and the adjacent ground terminals.
Furthermore, the horizontal connecting portion comprises a force arm portion connected with the contact arm and a holding portion connected with the force arm portion, the rear end of the holding portion is connected with the bending portion, the welding portion is formed by bending the material belt connecting portion, and the extending directions of the welding portion and the contact portion are opposite.
Further, an inclined guide portion extends from the front end of the contact portion.
Furthermore, the rear side surface of the insulating body is provided with a melting glue fixing part at the position corresponding to the bending part and the extending part.
Furthermore, clamping blocks are arranged on the rear side face of the insulating body between the molten glue fixing portion corresponding to the bent portion and the molten glue fixing portion corresponding to the extending portion, and each terminal of the upper row of terminals is located between two adjacent clamping blocks.
Furthermore, the upper part of the back side of the sol fixing part corresponding to the bending part is provided with a first lug which extends backwards and is distributed at intervals along the length direction of the insulating body, and the bottom surface of the sol fixing part corresponding to the extending part is provided with a second lug which extends downwards and is distributed at intervals along the length direction of the insulating body.
Furthermore, the sol fixing part corresponding to the extension part is positioned at the lower part of the extension part, and the clamping block is positioned beside the upper part of the extension part.
Compared with the prior art the beneficial effects of the utility model mainly appear: by enabling the vertical connecting parts (particularly the upper sections of the extending parts) of two adjacent signal terminals to be close to each other and enabling the vertical connecting part of each signal terminal to be far away from the vertical connecting part of the adjacent ground terminal, the loss of signal transmission is effectively reduced under the requirement of high speed and high frequency, the interference between the signal terminals in the connector is effectively reduced, the interference of external signals to the signal terminals in the connector is effectively reduced, and the resonance of the signals is effectively reduced, so that the development requirement is met; the upper row terminal is fixed on the insulating body in a hot melting mode through the melting glue fixing part, so that the firmness of the installation of the upper row terminal is improved.
Drawings
FIG. 1 is a schematic diagram of a small pitch high speed signal connector connected to an electronic card and a circuit board;
FIG. 2 is a perspective view of a small pitch high speed signal connector;
FIG. 3 is a perspective view of another orientation of a small pitch high speed signal connector;
fig. 4 is a side view of the upper and lower rows of terminals;
FIG. 5 is a perspective view of the upper row of terminals;
fig. 6 is a front view of the upper row of terminals;
fig. 7 is a schematic view of a partial upper row of terminals.
Detailed Description
For better understanding of the objects, structures, features, and functions of the present invention, reference should now be made to the drawings and detailed description of the invention.
As shown in fig. 1-7, small pitch high speed signal connectors are shown in SMT solder. The connector comprises an insulating body 1, an upper row of terminals 2 and a lower row of terminals 3, wherein the upper row of terminals and the lower row of terminals are embedded into the insulating body from the rear side surface and the front side surface of the insulating body 1 respectively, and an electronic card inserting port 11 for inserting an electronic card 4 is formed in the front side surface of the insulating body 1 and positioned between the upper row of terminals 2 and the lower row of terminals 3. The upper and lower positions of the rear side surface of the insulating body 1 are provided with melt glue fixing parts 12. The insulating body 1 is also provided with a clamping block 13 between the upper and lower molten glue fixing parts 12. The upper part of the rear side of the sol fixing part 12 at the upper part of the rear side of the insulating body 1 is provided with a first bump 121 which extends backwards and is distributed at intervals along the length direction of the insulating body 1. The bottom surface of the sol fixing part 12 at the lower part of the rear side of the insulating body 1 is provided with a second bump 122 which extends downwards and is distributed at intervals along the length direction of the insulating body 1.
The upper row of terminals 2 and the lower row of terminals 3 both comprise contact parts a, connecting parts b and welding parts c, the connecting parts b of the upper row of terminals 2 comprise horizontal connecting parts b1 and vertical connecting parts b2, two adjacent signal terminals S are arranged between every two ground terminals G in the upper row of terminals 2, the vertical connecting parts b2 of the two adjacent signal terminals S are close to each other, and the vertical connecting part b2 of each signal terminal S is far away from the vertical connecting part b2 of the adjacent ground terminal G, so that the signal transmission loss is effectively reduced under the requirement of high speed and high frequency, the interference between the signal terminals in the connector is effectively reduced, the interference of external signals on the signal terminals in the connector is effectively reduced, and the resonance of signals is effectively reduced to meet the development requirement. The soldering portions c of the upper row terminals 2 and the lower row terminals 3 are soldered to the circuit board 5 in a flush manner.
The horizontal connecting part b1 of the upper row terminal 2 comprises a moment arm part b11 connected with the contact arm a and a holding part b12 connected with the moment arm part b11, and the extending directions of the welding part and the contact part a are opposite. The front end of the contact part a extends to form a guide part d which inclines upwards, so that the electronic card can be conveniently guided to be smoothly inserted.
The vertical connecting part b2 of the upper row terminal 2 comprises a bending part b21 connected with the rear end of the horizontal connecting part b1, an extending part b22 connected with the lower end of the bending part b21 and a material belt connecting part b23 connected with the lower end of the extending part b22, the rear end of the holding part b12 is connected with the bending part b21, and the welding part c is formed by bending from the material belt connecting part b 23. The upper row of terminals 2 is fixed on the insulating body 1 by means of hot melt adhesive. The glue fixing portion 12 at the upper portion of the rear side of the insulating housing 1 corresponds to the bending portion b21, and the glue fixing portion 12 fixes the bending portion b21 at the rear side of the insulating housing 1 by heat melting to increase the firmness of the installation of the upper row of terminals 2. The glue fixing part 12 at the lower part of the back side of the insulating body 1 corresponds to the extending part b22, and the glue fixing part 12 fixes the extending part b22 at the back side of the insulating body 1 by hot melting so as to increase the firmness of the installation of the upper row of terminals 2. The sol fixing portion 12 corresponding to the extension portion b22 is located at the lower portion of the extension portion b22. The clamping block 13 is located between the glue melting fixing part 12 corresponding to the bending part b21 and the glue melting fixing part 12 corresponding to the extending part b22, the clamping block 13 is located beside the upper part of the extending part b22, and the clamping block 13 is used for clamping and fixing the extending part b22. The first bump 121 is located at the upper rear portion of the sol fixing portion 12 corresponding to the bent portion b21, and the second bump 122 is located at the bottom surface of the sol fixing portion 12 corresponding to the extended portion b22. The extending parts b22 of every two adjacent signal terminals S are close to each other, and the extending part b22 of each signal terminal S is far away from the extending part b22 of the adjacent ground terminal G, so that the loss of signal transmission is further effectively reduced, the interference between the signal terminals in the connector is effectively reduced, the interference of external signals to the signal terminals in the connector is effectively reduced, and the resonance of the signals is effectively reduced, so that the development requirements are met.
The extending portion b22 includes an upper section b221 and a lower section b222 connected to the bending portion b21 and the material tape connecting portion b23, the upper section b221 is formed by bending the bending portion b21 and the material tape connecting portion b23 toward the same side, a vertical center line of the bending portion b21 overlaps a vertical center line of the lower section b222, the vertical center line of the upper section b221 deviates and is parallel to the vertical center lines of the bending portion and the lower section b222, the vertical center lines of the upper sections b221 of every two adjacent signal terminals S are close to each other, and the vertical center line of the upper section b221 of each signal terminal S is far from the vertical center line of the adjacent ground terminal G.
The extending portion b22 of each terminal of the upper row of terminals 2 is located between two adjacent clamping blocks 13. The distance d0 and the center distance d1 between the upper sections b221 of every two adjacent signal terminals S of the upper row of terminals 2 are smaller than the distance d4 and the center distance d3 between the upper sections b221 of the signal terminals S and the upper sections b221 of the adjacent ground terminals G, and the center distance d3 between the rest of the positions except the upper sections b221 of every two adjacent signal terminals S is equal to the center distance d3 between the rest of the positions except the upper sections b221 of the signal terminals S and the adjacent ground terminals G.
Compared with the prior art the beneficial effects of the utility model mainly appear: by enabling the vertical connecting parts b2 of two adjacent signal terminals S (specifically, the upper sections b221 of the extending parts b 22) to be close to each other, and enabling the vertical connecting part b2 of each signal terminal S to be far away from the vertical connecting part b2 of the adjacent ground terminal G, the loss of signal transmission is effectively reduced, the interference between the signal terminals inside the connector is effectively reduced, the interference of external signals to the signal terminals inside the connector is effectively reduced, and the resonance of the signals is effectively reduced so as to meet the development requirement; the upper row terminal 2 is fixed on the insulating body 1 in a hot melting mode through the melting glue fixing part 12, so that the installation firmness of the upper row terminal 2 is improved.
In another embodiment, the lower sections b222 of two adjacent signal terminals S may be close to each other, and the upper sections b221 may be overlapped with the center line of the bent section b 21.
In another embodiment, the middle portions of the extending portions b22 of two adjacent signal terminals S may be close to each other, and the upper and lower portions of the upper and lower sides of the middle portion of the extending portion b22 may overlap the center line of the bent portion b 21.
The present invention has been described in connection with the preferred embodiments, but the present invention is not limited to the embodiments disclosed above, and is intended to cover various modifications, equivalent combinations, which are made according to the essence of the present invention.
Claims (10)
1. The utility model provides a booth is apart from high-speed signal connector, includes insulator and goes up row's terminal and lower row's terminal from insulator trailing flank, leading flank embedding insulator respectively, the insulator leading flank has the electronic card interface that is located to go up row's terminal and arrange between the terminal down, it all includes contact site, connecting portion and welding part with lower row's terminal to go up row's terminal, the connecting portion of going up row's terminal include horizontal connecting portion and vertical connecting portion, there are two adjacent signal terminal between per two ground terminal in the row's terminal of going up, its characterized in that: the vertical connecting parts of the two adjacent signal terminals are close to each other, and the vertical connecting part of each signal terminal is far away from the vertical connecting part of the adjacent ground terminal.
2. The small pitch high speed signal connector of claim 1, wherein: the vertical connecting part comprises a bending part connected with the rear end of the horizontal connecting part, an extending part connected with the lower end of the bending part and a material belt connecting part connected with the lower end of the extending part, the extending parts of every two adjacent signal terminals are close to each other, and the extending part of each signal terminal is far away from the extending part of the adjacent ground terminal.
3. The small pitch high speed signal connector of claim 2, wherein: the extension portion comprises an upper section and a lower section which are respectively connected with the bending portion and the material belt connecting portion, the upper section is formed by bending towards the same side from the bending portion and the material belt connecting portion, a vertical central line of the bending portion is overlapped with a vertical central line of the lower section, the vertical central line of the upper section deviates from and is parallel to the vertical central lines of the bending portion and the lower section, the vertical central lines of the upper sections of every two adjacent signal terminals are close to each other, and the vertical central line of the upper section of every signal terminal is far away from the vertical central line of the adjacent grounding terminal.
4. The small pitch high speed signal connector of claim 3, wherein: the distance and the center distance between the upper sections of every two adjacent signal terminals of the upper row of terminals are smaller than the distance and the center distance between the upper sections of the signal terminals and the upper sections of the adjacent ground terminals, and the center distance between every two adjacent signal terminals at the positions except the upper sections is equal to the center distance between the signal terminals at the positions except the upper sections and the adjacent ground terminals.
5. The small pitch high speed signal connector of claim 4, wherein: the horizontal connecting portion comprises a force arm portion connected with the contact arm and a fixing portion connected with the force arm portion, the rear end of the fixing portion is connected with the bending portion, the welding portion is formed by bending the material belt connecting portion, and the extending directions of the welding portion and the contact portion are opposite.
6. A small pitch high speed signal connector as claimed in claim 5, wherein: the front end of the contact part extends to form an inclined guide part.
7. The small pitch high speed signal connector of claim 2, wherein: the rear side surface of the insulating body is provided with a melting glue fixing part at the position corresponding to the bending part and the extending part.
8. The small pitch high speed signal connector of claim 7, wherein: and clamping blocks are arranged on the rear side surface of the insulating body between the molten glue fixing part corresponding to the bending part and the molten glue fixing part corresponding to the extending part, and each terminal of the upper row of terminals is positioned between two adjacent clamping blocks.
9. The small pitch high speed signal connector of claim 8, wherein: the upper part of the back side of the sol fixing part corresponding to the bending part is provided with a first lug which extends backwards and is distributed at intervals along the length direction of the insulating body, and the bottom surface of the sol fixing part corresponding to the extending part is provided with a second lug which extends downwards and is distributed at intervals along the length direction of the insulating body.
10. A small pitch high speed signal connector as claimed in claim 8, wherein: the sol fixing part corresponding to the extension part is positioned at the lower part of the extension part, and the clamping block is positioned beside the upper part of the extension part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223033080.XU CN218648182U (en) | 2022-11-14 | 2022-11-14 | Small-space high-speed signal connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223033080.XU CN218648182U (en) | 2022-11-14 | 2022-11-14 | Small-space high-speed signal connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218648182U true CN218648182U (en) | 2023-03-17 |
Family
ID=85495886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223033080.XU Active CN218648182U (en) | 2022-11-14 | 2022-11-14 | Small-space high-speed signal connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218648182U (en) |
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2022
- 2022-11-14 CN CN202223033080.XU patent/CN218648182U/en active Active
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