CN215732521U - Wire-to-board connector capable of improving signal transmission quality - Google Patents
Wire-to-board connector capable of improving signal transmission quality Download PDFInfo
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- CN215732521U CN215732521U CN202122380127.9U CN202122380127U CN215732521U CN 215732521 U CN215732521 U CN 215732521U CN 202122380127 U CN202122380127 U CN 202122380127U CN 215732521 U CN215732521 U CN 215732521U
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Abstract
The utility model discloses a wire-to-board connector capable of improving signal transmission quality, which comprises a connector seat body and two rows of terminals, wherein contact ends of the terminals extend into a butt joint groove of the connector seat body, welding ends of the terminals extend out from the side edge part of the bottom of the connector seat body, a grounding piece is arranged at the bottom of the connector seat body and comprises a grounding piece, a contact arm and an insertion connection part, and the contact arm is respectively contacted with corresponding grounding terminals in the two rows of terminals. The connector has reasonable structural design, and the grounding piece at the bottom of the connector seat body can be connected with all grounding terminals through the plurality of contact arms, so that noise can be better introduced into the ground, the crosstalk of the connector is effectively reduced, the fidelity of signal transmission is improved, the transmission quality of signals is further improved, and the grounding piece is convenient to mount and dismount.
Description
Technical Field
The utility model relates to the technical field of connectors, in particular to a wire-to-board connector capable of improving signal transmission quality.
Background
A wire-to-board connector is a connector that connects wires to a Printed Circuit Board (PCB) to make connections between circuits. The traditional wire-to-board connector singly grounds the grounding terminals one by one, so that the operation is complicated, the generated crosstalk is large, and the performance of the wire-to-board connector is influenced.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to overcoming the above-mentioned drawbacks of the prior art and providing a wire-to-board connector capable of improving signal transmission quality.
In order to achieve the above object, the present invention provides a wire-to-board connector capable of improving signal transmission quality, comprising a connector base and two rows of terminals symmetrically arranged on the left and right, wherein the connector base is provided with a butt-joint groove in the middle, the terminals are inserted into the connector base from the bottom hole position of the connector base, the contact end of each terminal extends into the butt-joint groove, the welding end of each terminal extends out from the bottom side edge position of the connector base, the bottom of the connector base is provided with a grounding member made of metal material, the grounding member comprises a square sheet grounding plate, a contact arm and an insertion connection portion, the insertion connection portion is connected to the top of the grounding plate, the insertion connection portion is inserted into the bottom hole position of the connector base, so that the grounding plate is fixed at the bottom of the connector base, the contact arm is provided with a plurality of pieces and connected to the two sides of the grounding plate respectively, the contact arms on both sides are each in contact with a corresponding ground terminal in the two rows of terminals.
Preferably, the insertion-connection portion is provided in a square block shape or a columnar shape.
As preferred, the terminal is including the welding foot portion that connects gradually, participate in joint portion, terminal connecting portion, embedding joint portion and contact site, the welding foot portion stretches out from the bottom side of connector pedestal toward outside, participate in joint portion all perpendicular with welding foot portion and terminal connecting portion, participate in the joint portion and insert in the bottom side slot of connector pedestal, the lower extreme that stretches out the hole of connector pedestal is inserted to embedding joint portion, the contact site is arranged in stretching out the hole, the upper end position of contact site stretches out the butt joint inslot from the upper end that stretches out the hole.
Preferably, the embedded clamping portion is provided with a through hole for improving the signal transmission rate.
Preferably, the through hole is a square hole.
Preferably, the side edge of the pin clamping part is provided with a first barb.
Preferably, the side edge of the embedded clamping portion is provided with a second barb.
Preferably, the contact arm of the grounding piece is an arc-shaped elastic contact arm, the bottom of the terminal connecting part is provided with an arc-shaped groove position, and the contact arm is placed in the arc-shaped groove position and is in contact with the terminal connecting part.
Preferably, the shape of the docking slot is provided in an H-shape.
Preferably, the connector housing is provided at both sides thereof with welding holders made of a metal material, respectively.
Compared with the prior art, the utility model has the beneficial effects that:
the connector has reasonable structural design, and the grounding piece at the bottom of the connector seat body can be connected with all grounding terminals through the plurality of contact arms, so that noise can be better introduced into the ground, the crosstalk of the connector is effectively reduced, the fidelity of signal transmission is improved, the transmission quality of signals is further improved, and the grounding piece is convenient to mount and dismount.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a wire-to-board connector according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a wire-to-board connector provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention provides a wire-to-board connector capable of improving signal transmission quality, including a connector housing 1 and two rows of terminals 2 symmetrically arranged on the left and right sides, the terminals 2 are inserted into the connector housing 1 from a bottom hole of the connector housing 1, contact ends of the terminals 2 respectively extend into mating slots 11, welding ends of the terminals 2 respectively extend from side portions of the bottom of the connector housing 1, and a grounding member 3 made of a metal material is disposed at the bottom of the connector housing 1.
The following describes each component of the present embodiment in detail with reference to the drawings.
As shown in fig. 1, the connector housing 1 may be formed by injection molding of an insulating plastic material, and a mating slot 11 is formed in the middle of the connector housing 1, wherein the mating slot 11 may be preferably shaped as an H. Of course, in other embodiments, the rectangular shape may be provided.
As shown in fig. 2 and 3, the terminal 2 may include a solder leg portion 21, a pin clamping portion 22, a terminal connecting portion 23, an embedded clamping portion 24, and a contact portion 25, which are connected in sequence, the solder leg portion 21, the pin clamping portion 22, the terminal connecting portion 23, the embedded clamping portion 24, and the contact portion 25 may be formed by one-time die cutting of a metal material, the solder leg portion 21 extends out from a bottom side of the connector housing 1, the pin clamping portion 22 is perpendicular to the solder leg portion 21 and the terminal connecting portion 23, the pin clamping portion 22 is inserted into a bottom side slot of the connector housing 1, the embedded clamping portion 24 is inserted into a lower end of an extending hole of the connector housing 1, the contact portion 25 is disposed in the extending hole, and an upper end portion of the contact portion 25 extends out of an upper end of the extending hole into the mating slot 11.
In order to prevent the terminal 2 from falling off from the connector housing 1, the side of the pin engaging portion 22 may be provided with a first barb 221. The side of the embedded snap-in portion 24 may be provided with a second barb 242.
Preferably, the embedded clamping portion 24 may further have a through hole 241 for increasing the signal transmission rate, and the through hole 241 may be preferably configured as a square hole. After the through hole 241 is formed in the embedded card portion 24, the surface of the embedded card portion 24 is equivalent to only forming two channels, when a signal is transmitted to the surface of the embedded card portion 24, the problem of transmission delay of the signal due to the fact that a transmission path is unclear and the direction is lost is solved, and experimental tests prove that the signal transmission rate can be effectively improved.
As shown in fig. 2, the grounding member 3 may include a square plate-shaped grounding plate 31, contact arms 32 and insertion connection portions 33, the insertion connection portions 33 are connected to the top of the grounding plate 31, the insertion connection portions 33 are inserted into bottom hole portions of the connector housing 1, so that the grounding plate 31 is fixed to the bottom of the connector housing 1, the contact arms 32 are provided with a plurality of pieces and are respectively connected to both sides of the grounding plate 31, and the contact arms 32 on both sides are respectively contacted with corresponding grounding terminals of the two rows of terminals 2.
Among them, the shape of the insertion-connection portion 33 may be preferably set to a square block shape or a columnar shape.
Preferably, the contact arm 32 of the grounding member 3 may be preferably configured as an arc-shaped elastic contact arm, and the bottom of the terminal connecting portion 23 is provided with an arc-shaped groove 231, and the contact arm 32 is disposed in the arc-shaped groove 231 and contacts with the terminal connecting portion 23. After the grounding piece 3 is inserted into the bottom of the connector base 1, the contact arm 32 can be always pressed in the arc-shaped groove 231 under the elastic acting force, the contact is better, and the design of the arc-shaped groove 231 can increase the contact area between the contact arm 32 and the terminal connecting part 23.
As shown in fig. 1, the connector housing 1 is provided with welding holders 4 made of metal material at both sides thereof. The soldering fixture 4 can be soldered to the circuit board, so that the connector housing 1 can be fixed to the circuit board.
In summary, the structure of the utility model is reasonable, the grounding piece at the bottom of the connector base can be connected with all grounding terminals through a plurality of contact arms, thus noise can be better introduced into the ground, crosstalk of the connector is effectively reduced, signal transmission fidelity is improved, signal transmission quality is further improved, and the grounding piece is convenient to install and disassemble.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. The utility model provides a can improve signal transmission quality's line to board connector, includes connector pedestal and the terminal that two rows of symmetries in the left and right sides set up, the butt joint groove has been seted up at the middle part of connector pedestal, the terminal inserts the inside of connector pedestal from the bottom hole site of connector pedestal, and the contact jaw of every terminal stretches into the butt joint inslot respectively, and the welding end of every terminal stretches out its characterized in that from the bottom side position of connector pedestal respectively: the bottom of connector pedestal is equipped with the ground connection spare of being made by metal material, the ground connection spare includes square flaky ground lug, contact arm and insert connecting portion, insert connecting portion and connect at the top of ground lug, insert connecting portion and insert in the bottom hole site of connector pedestal to make the ground lug fix the bottom at the connector pedestal, the contact arm is provided with a plurality of roots and connects respectively in the both sides of ground lug, and the contact arm of both sides contacts with corresponding ground terminal in two rows of terminals respectively.
2. The wire-to-board connector of claim 1, wherein: the insertion connection part is shaped like a square block or a column.
3. The wire-to-board connector of claim 1, wherein: the terminal is including the welding foot portion that connects gradually, participate in joint portion, terminal connecting portion, embedding joint portion and contact site, the welding foot portion is from the bottom side of connector pedestal toward stretching out outward, participate in joint portion all mutually perpendicular with welding foot portion and terminal connecting portion, participate in joint portion and insert in the bottom side slot of connector pedestal, the lower extreme that stretches out the hole that embedding joint portion inserted the connector pedestal, the contact site is arranged in stretching out the hole, the upper end position of contact site stretches out the butt joint inslot from the upper end that stretches out the hole.
4. The wire-to-board connector according to claim 3, wherein: the embedded clamping portion is provided with a through hole used for improving the signal transmission rate.
5. The wire-to-board connector according to claim 4, wherein: the through hole is a square hole.
6. The wire-to-board connector according to claim 3, wherein: the side of participating in joint portion is equipped with first barb.
7. The wire-to-board connector according to claim 3, wherein: the side of embedding joint portion is equipped with the second barb.
8. The wire-to-board connector according to claim 3, wherein: the contact arm of the grounding piece is arranged into an arc-shaped elastic contact arm, the bottom of the terminal connecting part is provided with an arc-shaped groove position, and the contact arm is arranged in the arc-shaped groove position and is in contact with the terminal connecting part.
9. The wire-to-board connector of claim 1, wherein: the shape of the butt joint groove is set to be H-shaped.
10. The wire-to-board connector of claim 1, wherein: and welding fixing seats made of metal materials are respectively arranged on two sides of the connector seat body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122380127.9U CN215732521U (en) | 2021-09-29 | 2021-09-29 | Wire-to-board connector capable of improving signal transmission quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122380127.9U CN215732521U (en) | 2021-09-29 | 2021-09-29 | Wire-to-board connector capable of improving signal transmission quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215732521U true CN215732521U (en) | 2022-02-01 |
Family
ID=80026337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122380127.9U Active CN215732521U (en) | 2021-09-29 | 2021-09-29 | Wire-to-board connector capable of improving signal transmission quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215732521U (en) |
-
2021
- 2021-09-29 CN CN202122380127.9U patent/CN215732521U/en active Active
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