CN111682333B

CN111682333B - Plate end connector and mounting method thereof

Info

Publication number: CN111682333B
Application number: CN202010618821.7A
Authority: CN
Inventors: 陈家军; 沈履善; 陈琼南; 陈宏基
Original assignee: Kunshan Luxshare Precision Industry Co Ltd
Current assignee: Kunshan Luxshare Precision Industry Co Ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2022-02-25
Anticipated expiration: 2040-06-30
Also published as: CN111682333A

Abstract

The invention discloses a plate end connector and an installation method thereof, and belongs to the technical field of connectors. The board end connector comprises a shell, a shielding shell, a PCB and a signal terminal. The shell is provided with a through hole; the shielding shell is arranged in the through hole and comprises a connecting part and a shielding main body, the connecting part is positioned at one end of the shell, and the shielding main body is positioned at the other end of the shell and connected to the connecting part; an avoiding groove is formed in one side, corresponding to the shielding main body, of the shell, and the shielding main body is connected to the PCB through the avoiding groove; a channel is formed in the shielding shell, the signal terminal is fixed in the channel, one end of the signal terminal is located in the connecting portion, and the other end of the signal terminal penetrates through the channel to be connected to the PCB. The invention realizes the omnibearing shielding of the signal terminal from signal input to the welding leg, enhances the anti-interference capability, reduces the attenuation of signal transmission and further improves the data transmission rate.

Description

Plate end connector and mounting method thereof

Technical Field

The invention relates to the technical field of connectors, in particular to a plate end connector and an installation method thereof.

Background

At present, in the conventional electronic and electrical architecture (EE architecture) of automobiles commonly used in the market, the data transmission rate of the used connector is relatively low in the buses such as MOST, Flexray and CAN and the point-to-point networks such as LVDS. With the continuous development of automobile electronics, automobiles are gradually electrified, intelligentized and networked, the requirements of an automobile operation storage system on the transmission speed and the bandwidth of data are higher and higher, and the current connector cannot meet the existing requirements.

Disclosure of Invention

The invention aims to provide a plate end connector which has a good shielding effect, can enhance the anti-interference capability and improve the data transmission rate;

another object of the present invention is to provide a method for installing a board end connector, so as to facilitate the installation of the board end connector.

In order to achieve the purpose, the invention adopts the following technical scheme:

a board terminal connector comprises a shell, a shielding shell, a PCB and a signal terminal. The shell is provided with a through hole; the shielding shell is arranged in the through hole and comprises a connecting part and a shielding main body, the connecting part is positioned at one end of the shell, and the shielding main body is positioned at the other end of the shell and connected to the connecting part; an avoiding groove is formed in one side, corresponding to the shielding main body, of the shell, and the shielding main body is connected to the PCB through the avoiding groove; a channel is formed in the shielding shell, the signal terminal is fixed in the channel, one end of the signal terminal is located in the connecting portion, and the other end of the signal terminal penetrates through the channel to be connected to the PCB.

Optionally, the shielding main part deviates from one side of connecting portion is uncovered setting, the shielding shell still includes the shielding piece, the shielding piece can dismantle set up in the middle part of shielding main part, connecting portion the shielding main part with the shielding piece encloses and establishes into the passageway.

Optionally, a clamping groove is formed in the middle of the shielding main body, and the shielding sheet is clamped in the clamping groove.

Optionally, the signal connector further comprises an insulator, the insulator is disposed in the channel, and the insulator is sleeved on the signal terminal.

Optionally, the signal connector further comprises an insulating plug, the insulating plug is disposed in the channel and sleeved on the signal terminal, the insulating plug is located at one end, close to the PCB, of the signal terminal, and the insulator is located in the connecting portion.

Optionally, the four corners of the bottom of the shielding main body are provided with connecting columns, the PCB is provided with mounting holes corresponding to the connecting columns one to one, and each connecting column is clamped in one mounting hole.

Optionally, a protruding portion is further arranged between the connecting columns at the bottom of the shielding main body, a welding groove is formed in the position, corresponding to the protruding portion, of the PCB, and each protruding portion is connected with one welding groove in a matched mode.

Optionally, a guide groove is formed in the outer wall of the shielding shell, and a sliding table which can be slidably connected with the guide groove is arranged on the inner wall of the shell.

Optionally, the signal transmitted by the signal terminal is a differential signal.

The plate end connector mounting method comprises the following steps:

inserting the shielding shell into the housing along the axial direction of the through hole;

inserting the signal terminal into the shield case in an axial direction of the through hole;

securing the signal terminals within the channels;

and connecting the shielding case and the signal terminal with the PCB.

Optionally, before the signal terminal is inserted into the shield shell along the axial direction of the through hole, an insulator is sleeved on the signal terminal, and after the signal terminal is inserted into the shield shell along the axial direction of the through hole, the insulator is located in the connecting portion.

Optionally, before the signal terminal is inserted into the shielding shell in the axial direction of the through hole, an insulation plug is sleeved on the signal terminal, so that the insulation plug and the insulation plug are respectively located at two ends of the signal terminal, after the signal terminal is inserted into the shielding shell in the axial direction of the through hole, the insulation plug is located at one end of the signal terminal close to the PCB board, and the insulation plug is located in the connecting portion.

Optionally, the insulating plug and the insulator are sleeved on the signal terminal by injection molding.

Optionally, after the signal terminal is fixed in the channel, a shielding plate is connected to the shielding main body, so that the connecting portion, the shielding main body and the shielding plate enclose the channel.

The invention has the beneficial effects that:

the plate end connector comprises a shell, a shielding shell, a PCB and a signal terminal, wherein the shell is provided with a through hole; the shielding shell is arranged in the through hole and comprises a connecting part and a shielding main body, the connecting part is positioned at one end of the shell, and the shielding main body is positioned at the other end of the shell and is connected to the connecting part; an avoiding groove is formed in one side, corresponding to the shielding main body, of the shell, and the shielding main body is connected to the PCB through the avoiding groove; a channel is formed in the shielding shell, the signal terminal is fixed in the channel, one end of the signal terminal is positioned in the connecting part, and the other end of the signal terminal penetrates through the channel to be connected to the PCB; according to the invention, the shielding shell is connected to the PCB so as to be grounded, and the signal terminal is arranged in the channel formed by the shielding shell, so that the signal terminal is shielded from signal input to the welding pins in all directions, the anti-interference capability is enhanced, the attenuation of signal transmission is reduced, and the data transmission rate is improved.

Drawings

FIG. 1 is a schematic perspective view of a plate end connector according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of another aspect of a plate end connector according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of an exploded view of a plate end connector according to an embodiment of the present invention;

FIG. 4 is a schematic exploded view of another perspective of a plate end connector according to an embodiment of the present invention;

FIG. 5 is a schematic top view of a plate end connector according to an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view taken along line A-A of FIG. 5;

FIG. 7 is a schematic perspective view of a housing of a plate end connector according to an embodiment of the present invention;

fig. 8 is a schematic perspective view of a connecting portion and a shield body of a plate-end connector according to an embodiment of the present invention;

in the figure:

1. a plate end connector; 11. a housing; 111. a sliding table; 12. a PCB board; 121. mounting holes; 122. welding a groove; 13. a shield case; 131. a connecting portion; 132. a shield main body; 1321. connecting columns; 1322. a boss portion; 1323. a guide groove; 133. a shielding sheet; 14. a locking structure; 141. a channel; 142. a side positioning plate; 143. blocking strips; 15. an insulating plug; 16. a signal terminal; 17. an insulator.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying fig. 1-8.

The present embodiment provides a board terminal connector 1, as shown in fig. 1 to 6, the board terminal connector 1 includes a housing 11, a shielding shell 13, a PCB board 12 and a signal terminal 16. The housing 11 has a through hole. The shield shell 13 is disposed in the through hole, the shield shell 13 includes a connecting portion 131 and a shield main body 132, the connecting portion 131 is located at one end of the housing 11, and the shield main body 132 is located at the other end of the housing 11 and connected to the connecting portion 131. An avoiding groove is formed on one side of the housing 11 corresponding to the shielding main body 132, and the shielding main body 132 is connected to the PCB 12 through the avoiding groove. A passage is formed in the shield case 13, the signal terminal 16 is fixed in the passage, one end of the signal terminal 16 is located in the connection portion 131, and the other end is connected to the PCB 12 through the passage.

This embodiment is through being connected to shielding shell 13 to PCB board 12 thereby with shielding shell 13 ground connection, and signal terminal 16 sets up in the passageway that shielding shell 13 formed, has realized signal terminal 16 from the all-round shielding of signal input to leg, has strengthened the interference killing feature, has reduced signal transmission's decay to data transmission's rate has been improved.

In order to further increase the transmission rate of the signals, the signals transmitted by the signal terminals 16 are differential signals.

In order to facilitate the signal terminal 16 to be installed in the shielding shell 13, one side of the shielding main body 132 departing from the connecting portion 131 is open, the shielding shell 13 further includes a shielding sheet 133, the shielding sheet 133 is detachably disposed in the middle of the shielding main body 132, and the connecting portion 131, the shielding main body 132 and the shielding sheet 133 enclose a channel.

Optionally, a clamping slot is formed in the middle of the shielding main body 132, and the shielding sheet 133 is clamped in the clamping slot.

As shown in fig. 3 to 6, the plate terminal connector 1 in this embodiment further includes an insulator 17, the insulator 17 is disposed in the channel, and the insulator 17 is disposed on the signal terminal 16. The signal terminals 16 are stably fixed in the shield shell 13 by the insulator 17. Alternatively, the shape of the insulator 17 may be a cylinder, a rectangular parallelepiped, a triangular prism, or the like, but the shape of the insulator 17 is not intended to limit the present invention. To facilitate the connection of the signal terminals 16 and the insulators 17, the insulators 17 may be connected to the signal terminals 16 by injection molding.

In order to further increase the signal transmission rate, the board terminal connector 1 in this embodiment further includes an insulating plug 15, the insulating plug 15 is disposed in the channel and is sleeved on the signal terminal 16, the insulating plug 15 is located at one end of the signal terminal 16 close to the PCB 12, and the insulator 17 is located in the connecting portion 131. Alternatively, the shape of the insulating plug 15 may be a cylinder, a rectangular parallelepiped, a triangular prism, etc., but the shape of the insulating plug 15 is not intended to limit the present invention. The arrangement of the insulator 17 and the insulating plug 15 can reduce impedance and improve the transmission rate of signals.

Since the signal terminal 16 needs to be connected to the PCB 12 through the passage by the connection portion 131, the signal terminal 16 may have an L-shape, and the insulator 17 and the insulating plug 15 are respectively disposed at both sides of the signal terminal 16. To facilitate the connection of the insulator 17 and the insulator plug 15 to the signal terminal 16, the insulator 17 and the insulator plug 15 may be simultaneously injection molded onto the signal terminal 16.

As shown in fig. 3 to 8, the four corners of the bottom of the shielding main body 132 are provided with connecting posts 1321, the PCB 12 is provided with mounting holes 121 corresponding to the connecting posts 1321, and each connecting post 1321 is clamped in one mounting hole 121. By the arrangement of the connection post 1321 and the mounting hole 121, the connection of the shield case 13 and the PCB board 12 can be facilitated.

In order to improve the shielding effect of the shielding shell 13, the protrusions 1322 are further disposed between the connecting posts 1321 at the bottom of the shielding main body 132, the positions of the PCB 12 corresponding to the protrusions 1322 are provided with the soldering grooves 122, and each protrusion 1322 is clamped in one soldering groove 122.

As shown in fig. 7 and 8, a guide groove 1323 is formed on an outer wall of the shield case 13, and a slide table 111 slidably connected to the guide groove 1323 is provided on an inner wall of the housing 11. The shield shell 13 can be stably and reliably connected to the housing 11 by the fit of the slide table 111 and the guide groove 1323.

Further, in order to facilitate the insertion of the board end connector 1 in this embodiment with other connectors, a latching structure 14 is disposed on one side of the first housing 11, specifically, the latching structure 14 includes two side positioning plates 142, the two side positioning plates 142 are disposed at intervals on the outer side of the first housing 11, a barrier 143 is connected between the two side positioning plates 142, and a slot 141 is disposed in the first housing 11. Other connectors include elastic buckle, and elastic buckle's one end is fixed, and the other end is provided with the boss to the reverse extension of grafting direction, and elastic buckle deviates from the one side that grafting direction leaves. When other connectors are plugged with the plate-end connector 1, the elastic buckle can be connected in the groove 141 in a sliding manner, and the boss can be stopped at one side of the barrier strip 143, which is far away from the plugging direction of the shell 11.

The embodiment also provides an installation method of the plate end connector, and by adopting the plate end connector 1, the installation method of the plate end connector 1 comprises the following steps: inserting the shield case 13 into the housing 11 in the axial direction of the through hole; inserting the signal terminal 16 into the shield case 13 in the axial direction of the through hole; securing the signal terminals 16 within the channels; the shield case 13 and the signal terminals 16 are connected to the PCB board 12.

Specifically, the insulator 17 is fitted over the signal terminal 16 before the signal terminal 16 is inserted into the shield shell 13 in the axial direction of the through hole, and the insulator 17 is located in the connecting portion 131 after the signal terminal 16 is inserted into the shield shell 13 in the axial direction of the through hole.

Before the signal terminal 16 is inserted into the shield shell 13 along the axial direction of the through hole, the insulating plug 15 is sleeved on the signal terminal 16 so that the insulating body 17 and the insulating plug 15 are respectively positioned at two ends of the signal terminal 16, and after the signal terminal 16 is inserted into the shield shell 13 along the axial direction of the through hole, the insulating plug 15 is positioned at one end of the signal terminal 16 close to the PCB board 12, and the insulating body 17 is positioned in the connecting portion 131.

The insulating plug 15 and the insulator 17 are sleeved on the signal terminal 16 in an injection molding mode, so that the processing and the installation of the insulating plug 15 and the insulator 17 are facilitated.

After the signal terminals 16 are fixed in the passages, the shield sheet 133 is connected to the shield main body 132 so that the connecting portions 131, the shield main body 132, and the shield sheet 133 enclose the passages.

The method for installing the plate-end connector in this embodiment can facilitate the installation of the plate-end connector 1. Thus board-end connector 1 in this embodiment is through being connected to shielding shell 13 PCB board 12 with shielding shell 13 ground connection, and signal terminal 16 sets up in the passageway that shielding shell 13 formed, has realized signal terminal 16 from the all-round shielding of signal input to leg, has strengthened the interference killing feature, has reduced signal transmission's decay to data transmission's rate has been improved.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims

1. A plate end connector comprising:

a housing (11) having a through hole;

the shielding shell (13) is arranged in the through hole, the shielding shell (13) comprises a connecting part (131) and a shielding main body (132), the connecting part (131) is positioned at one end of the shell (11), and the shielding main body (132) is positioned at the other end of the shell (11) and is connected to the connecting part (131);

an avoidance groove is formed in one side, corresponding to the shielding main body (132), of the shell (11), and the shielding main body (132) is connected to the PCB (12) through the avoidance groove; and

a signal terminal (16), wherein a channel is formed in the shielding shell (13), the signal terminal (16) is fixed in the channel, one end of the signal terminal (16) is positioned in the connecting part (131), and the other end of the signal terminal is connected to the PCB (12) through the channel;

an insulator (17) and an insulating plug (15), wherein the insulator (17) is arranged in the channel, and the insulator (17) is sleeved on the signal terminal (16); the insulating plug (15) is arranged in the channel and sleeved on the signal terminal (16), the insulating plug (15) is positioned at one end, close to the PCB (12), of the signal terminal (16), and the insulator (17) is positioned in the connecting part (131); the insulator (17) and the insulating plug (15) are respectively injection-molded on the signal terminal (16);

one side, away from the connecting portion (131), of the shielding main body (132) is open, the shielding shell (13) further comprises a shielding sheet (133), the shielding sheet (133) is detachably arranged in the middle of the shielding main body (132), and the connecting portion (131), the shielding main body (132) and the shielding sheet (133) are enclosed into the channel;

the middle part of the shielding main body (132) is provided with a clamping groove, and the shielding sheet (133) is clamped in the clamping groove.

2. The board end connector according to claim 1, wherein the shielding main body (132) is provided with connecting posts (1321) at four corners of the bottom thereof, the PCB (12) is provided with mounting holes (121) corresponding to the connecting posts (1321) one by one, and each connecting post (1321) is clamped in one of the mounting holes (121).

3. The board end connector according to claim 2, wherein a projection (1322) is further disposed between the connecting posts (1321) at the bottom of the shield body (132), and a soldering groove (122) is disposed on the PCB (12) corresponding to the projection (1322), wherein each projection (1322) is respectively connected with one soldering groove (122) in a matching manner.

4. The plate end connector according to claim 1, wherein a guide groove (1323) is formed in the outer wall of the shielding shell (13), and a sliding table (111) which is slidably connected with the guide groove (1323) is arranged on the inner wall of the housing (11).

5. The board end connector according to claim 1, characterized in that the signal transmitted by the signal terminals (16) is a differential signal.

6. A method of installing a plate end connector, using a plate end connector according to any one of claims 1 to 5, the method comprising the steps of:

inserting the shield shell (13) into the housing (11) in the axial direction of the through hole;

inserting the signal terminal (16) into the shield case (13) in an axial direction of the through hole;

-fixing the signal terminals (16) in the channels;

connecting the shield case (13) and the signal terminal (16) with the PCB board (12).

7. The method of mounting a plate-end connector according to claim 6, wherein an insulator (17) is fitted over the signal terminal (16) before the signal terminal (16) is inserted into the shield shell (13) in the axial direction of the through-hole, and the insulator (17) is located in the connecting portion (131) after the signal terminal (16) is inserted into the shield shell (13) in the axial direction of the through-hole.

8. The board end connector mounting method according to claim 7, wherein before the signal terminal (16) is inserted into the shield shell (13) in the axial direction of the through hole, an insulating plug (15) is fitted over the signal terminal (16) so that the insulator (17) and the insulating plug (15) are respectively located at both ends of the signal terminal (16), and after the signal terminal (16) is inserted into the shield shell (13) in the axial direction of the through hole, the insulating plug (15) is located at an end of the signal terminal (16) close to the PCB (12), and the insulator (17) is located in the connecting portion (131).

9. The method for mounting a plate end connector according to claim 8, wherein the insulating plug (15) and the insulator (17) are simultaneously injection molded over the signal terminal (16).

10. The method of mounting a plate end connector according to claim 6, wherein after the signal terminal (16) is fixed in the passage, a shield plate (133) is connected to the shield body (132) so that the connecting portion (131), the shield body (132) and the shield plate (133) enclose the passage.