Connector structure
阅读说明:本技术 一种连接器结构 (Connector structure ) 是由 陈家军 沈履善 陈琼南 陈宏基 于 2020-06-30 设计创作,主要内容包括:本发明公开了一种连接器结构,属于连接器技术领域。连接器结构包括板端连接器和与其插接的线端连接器,板端连接器包括第一壳体、第一屏蔽壳、PCB板和第一信号端子,第一壳体具有沿插接方向延伸的第一通孔;第一屏蔽壳设置于第一通孔内,第一屏蔽壳包括第一连接部和第一屏蔽主体,第一连接部位于第一壳体的与线端连接器连接的一端,第一屏蔽主体连接于第一连接部;第一壳体对应第一屏蔽主体的一侧开设有避让槽,第一屏蔽主体透过避让槽连接于PCB板;第一屏蔽壳内形成有通道,第一信号端子固定在通道内,第一信号端子的一端位于第一连接部内,另一端穿过通道连接于PCB板。本发明增强了抗干扰能力,降低了信号传输的衰减,提高了数据传输的速率。(The invention discloses a connector structure, and belongs to the technical field of connectors. The connector structure comprises a board end connector and a line end connector inserted with the board end connector, wherein the board end connector comprises a first shell, a first shielding shell, a PCB and a first signal terminal, and the first shell is provided with a first through hole extending along the inserting direction; the first shielding shell is arranged in the first through hole and comprises a first connecting part and a first shielding main body, the first connecting part is positioned at one end of the first shell, which is connected with the wire end connector, and the first shielding main body is connected with the first connecting part; an avoidance groove is formed in one side, corresponding to the first shielding main body, of the first shell, and the first shielding main body is connected to the PCB through the avoidance groove; a channel is formed in the first shielding shell, the first signal terminal is fixed in the channel, one end of the first signal terminal is located in the first connecting portion, and the other end of the first signal terminal penetrates through the channel to be connected to the PCB. The invention enhances the anti-interference capability, reduces the attenuation of signal transmission and improves the data transmission rate.)
1. A connector structure comprising a plate-end connector (1) and a line-end connector (2) plugged with the plate-end connector (1), characterized in that the plate-end connector (1) comprises:
a first housing (11) having a first through hole extending in the plugging direction;
the first shielding shell (13) is arranged in the first through hole, the first shielding shell (13) comprises a first connecting part (131) and a first shielding main body (132), the first connecting part (131) is located at one end, connected with the wire end connector (2), of the first shell (11), and the first shielding main body (132) is connected to the first connecting part (131);
an avoidance groove is formed in one side, corresponding to the first shielding main body (132), of the first shell (11), and the first shielding main body (132) is connected to the PCB (12) through the avoidance groove; and
a first signal terminal (16), wherein a channel is formed in the first shielding shell (13), the first signal terminal (16) is fixed in the channel, one end of the first signal terminal (16) is positioned in the first connecting part (131), and the other end of the first signal terminal passes through the channel and is connected to the PCB (12).
2. The connector structure according to claim 1, wherein the first shield shell (13) further includes a shield plate (133), the shield plate (133) is detachably disposed in a middle portion of the first shield main body (132), and the first connecting portion (131), the first shield main body (132), and the shield plate (133) enclose the passage.
3. The connector structure according to claim 2, wherein a slot is formed in a middle portion of the first shielding main body (132), and the shielding plate (133) is clamped in the slot.
4. Connector structure according to claim 1, characterized in that said terminal connector (2) comprises:
a second housing (21) having a second through hole extending in the plugging direction;
the second shielding shell (22) is arranged in the second through hole, and the second shielding shell (22) is provided with a third through hole extending along the plugging direction;
a second insulator (24) disposed within the third via; and
a second signal terminal (28) having one end for connection with a cable (3) and the other end for connection with the first signal terminal (16), the second signal terminal (28) being inserted in the second insulator (24).
5. The connector structure according to claim 4, wherein the end of the second signal terminal (28) connected to the first signal terminal (16) is provided with notches at intervals along the circumference of the second signal terminal (28).
6. The connector structure according to claim 5, wherein the terminal connector (2) further comprises a stop plug (26), a stop groove is formed in the middle of the second signal terminal (28) along the radial direction of the second signal terminal (28), and the stop plug (26) is stopped between the stop groove and the inner wall of the second shielding shell (22).
7. A connector structure according to claim 6, wherein a side hole (241) is opened in a side wall of the second insulator (24), and the side hole (241) is positioned corresponding to the second signal terminal (28) between the notch and the stopper groove and communicated to the second signal terminal (28).
8. The connector structure according to claim 4, wherein the second shield shell (22) includes a second connecting portion (221) and a second shield main body (222), the second shield main body (222) being connected to the second connecting portion (221), the second connecting portion (221) being for connection with the first connecting portion (131).
9. Connector structure according to claim 8, characterized in that the second connection portion (221) comprises a plurality of ribs extending in the plugging direction, distributed along the circumference of the second connection portion (221).
10. Connector structure according to claim 4, characterized in that the terminal connector (2) further comprises a stop member (23), the stop member (23) being used to fix the second shielding shell (22) within the second housing (21).
11. The connector structure according to claim 4, wherein a first locking structure (14) is disposed on one side of the first housing (11), a second locking structure (25) is disposed on one side of the second housing (21), and after the board-end connector (1) and the line-end connector (2) are plugged, the first locking structure (14) and the second locking structure (25) can be fastened together.
12. The connector structure according to claim 11, wherein the first locking structure (14) comprises two side positioning plates (142), the two side positioning plates (142) are arranged at intervals outside the first housing (11), a blocking strip (143) is connected between the two side positioning plates (142), and a channel (141) is formed in the first housing (11);
the second locking structure (25) comprises an elastic buckle (251), one end of the elastic buckle (251) is connected to one end of the second shell (21) and extends towards the opposite direction of the plugging direction, and a boss (2511) is arranged on one side of the elastic buckle (251) far away from the second shell (21);
when the wire end connector (2) is plugged with the plate end connector (1), the elastic buckle (251) can be connected in the channel (141) in a sliding mode, and the boss (2511) can be stopped at one side, deviating from the plugging direction of the first shell (11), of the barrier strip (143).
13. Connector structure according to claim 4, characterized in that the terminal connector (2) further comprises a fastening ring (27), the fastening ring (27) being sleeved on the shielding layer of the cable (3) at the end connected with the second signal terminal (28) to fix the shielding layer.
14. Connector structure according to any one of claims 1 to 13, characterized in that the board end connector (1) further comprises a first insulator (17), the first insulator (17) being arranged within the channel, the first insulator (17) being arranged over the first signal terminal (16).
15. The connector structure according to claim 14, wherein the board end connector (1) further comprises an insulating plug (15), the insulating plug (15) is disposed in the channel and sleeved on the first signal terminal (16), the insulating plug (15) is located at one end of the first signal terminal (16) close to the PCB board (12), and the first insulator (17) is located in the first connecting portion (131).
Technical Field
The invention relates to the technical field of connectors, in particular to a connector structure.
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 connector structure which is good in shielding effect, capable of enhancing the anti-interference capability and improving the data transmission rate.
In order to achieve the purpose, the invention adopts the following technical scheme:
a connector structure comprises a board end connector and a line end connector plugged with the board end connector, wherein the board end connector comprises a first shell, a first shielding shell, a PCB and a first signal terminal, and the first shell is provided with a first through hole extending along a plugging direction; the first shielding shell is arranged in the first through hole and comprises a first connecting part and a first shielding main body, the first connecting part is positioned at one end of the first shell, which is connected with the wire end connector, and the first shielding main body is connected with the first connecting part; an avoidance groove is formed in one side, corresponding to the first shielding main body, of the first shell, and the first shielding main body is connected to the PCB through the avoidance groove; a channel is formed in the first shielding shell, the first signal terminal is fixed in the channel, one end of the first signal terminal is located in the first connecting portion, and the other end of the first signal terminal penetrates through the channel to be connected to the PCB.
Optionally, the first shielding case further includes a shielding plate, the shielding plate is detachably disposed in the middle of the first shielding main body, and the first connecting portion, the first shielding main body and the shielding plate are enclosed to form the passage.
Optionally, a clamping groove is formed in the middle of the first shielding main body, and the shielding sheet is clamped in the clamping groove.
Optionally, the terminal connector includes a second housing, a second shielding shell, a second insulator, and a second signal terminal, the second housing has a second through hole extending along the plugging direction; the second shielding shell is arranged in the second through hole and provided with a third through hole extending along the plugging direction; the second insulator is arranged in the third through hole; one end of the second signal terminal is used for being connected with a cable, the other end of the second signal terminal is used for being connected with the first signal terminal, and the second signal terminal is inserted in the second insulator.
Optionally, a plurality of notches are formed at intervals along the circumferential direction of the second signal terminal at one end of the second signal terminal connected with the first signal terminal.
Optionally, the terminal connector further includes a stop plug, a stop groove is formed in the middle of the second signal terminal along the radial direction of the second signal terminal, and the stop plug is stopped and abutted between the stop groove and the inner wall of the second shielding shell.
Optionally, a side hole is formed in a side wall of the second insulator, and a position of the side hole corresponds to the second signal terminal between the notch and the stop groove and is communicated to the second signal terminal.
Optionally, the second shielding shell includes a second connecting portion and a second shielding main body, the second shielding main body is connected to the second connecting portion, and the second connecting portion is used for being connected to the first connecting portion.
Optionally, the second connecting portion includes a plurality of ribs extending along the plugging direction and distributed along a circumferential direction of the second connecting portion.
Optionally, the terminal connector further comprises a stopper for fixing the second shielding shell in the second shell.
Optionally, one side of the first casing is provided with a first locking structure, one side of the second casing is provided with a second locking structure, and after the board end connector and the line end connector are plugged, the first locking structure and the second locking structure can be fastened.
Optionally, the first locking structure includes two side positioning plates, the two side positioning plates are disposed at intervals outside the first housing, a barrier strip is connected between the two side positioning plates, and a channel is formed in the first housing;
the second lock catch structure comprises an elastic buckle, one end of the elastic buckle is connected to one end of the second shell and extends towards the opposite direction of the inserting direction, and a boss is arranged on one side of the elastic buckle, which is far away from the second shell;
the terminal connector with when the board end connector is pegged graft, elasticity buckle can sliding connection be in the channel, the boss can end deviating from of blend stop the first casing one side of grafting direction.
Optionally, the terminal connector further includes a fastening ring, and the fastening ring is sleeved on the shielding layer of the cable and the second signal terminal connection end to fix the shielding layer.
Optionally, the board-end connector further includes a first insulator, the first insulator is disposed in the channel, and the first insulator is disposed on the first signal terminal.
Optionally, the board end connector further includes an insulating plug, the insulating plug is disposed in the channel and sleeved on the first signal terminal, the insulating plug is located at an end of the first signal terminal close to the PCB board, and the first insulator is located in the first connecting portion.
The invention has the beneficial effects that:
the cable connector comprises a board end connector and a cable end connector inserted into the board end connector, wherein the board end connector comprises a first shell, a first shielding shell, a PCB (printed circuit board) and a first signal terminal, and the first shell is provided with a first through hole extending along the inserting direction; the first shielding shell is arranged in the first through hole and comprises a first connecting part and a first shielding main body, the first connecting part is positioned at one end of the first shell, which is connected with the wire end connector, and the first shielding main body is connected with the first connecting part; an avoidance groove is formed in one side, corresponding to the first shielding main body, of the first shell, and the first shielding main body is connected to the PCB through the avoidance groove; a channel is formed in the first shielding shell, the first signal terminal is fixed in the channel, one end of the first signal terminal is positioned in the first connecting part, and the other end of the first signal terminal penetrates through the channel to be connected to the PCB; according to the invention, the first shielding shell is connected to the PCB so as to be grounded, and the first signal terminal is arranged in the channel formed by the first shielding shell, so that the omnibearing shielding of the first signal terminal from one end connected with the wire end connector to the welding pin is realized, 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 connector structure provided in an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a wire end connector and a plate end connector of a connector structure according to an embodiment of the present invention;
FIG. 3 is a schematic top view of a connector structure according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a schematic perspective view of a connector structure provided by an embodiment of the present invention with the first and second housings removed;
FIG. 6 is a schematic perspective view of a plate end connector of the connector configuration provided by an embodiment of the present invention;
FIG. 7 is an exploded view of a plate end connector of the connector configuration provided by an embodiment of the present invention;
FIG. 8 is an exploded view of another perspective of a plate end connector of the connector configuration provided by an embodiment of the present invention;
FIG. 9 is a schematic top view of a plate end connector of the connector configuration provided by an embodiment of the present invention;
FIG. 10 is a schematic cross-sectional view taken along line B-B of FIG. 9;
fig. 11 is a schematic perspective view of a first connection portion and a first shield main body of the connector structure provided in the embodiment of the present invention;
FIG. 12 is a schematic perspective view of a wire end connector of the connector configuration provided by an embodiment of the present invention;
FIG. 13 is a schematic perspective view of a wire end connector of the connector configuration of the present invention from another perspective;
FIG. 14 is a schematic diagram of a side view of a line end connector of the connector configuration provided by an embodiment of the present invention;
FIG. 15 is a schematic cross-sectional view at C-C of FIG. 14;
FIG. 16 is a schematic diagram of an exploded view of a line end connector of the connector configuration provided by an embodiment of the present invention;
FIG. 17 is an exploded view of another perspective of a line end connector of the connector configuration provided by an embodiment of the present invention;
fig. 18 is an exploded view of the second insulator, the second signal terminal and the cable of the connector structure provided by the embodiment of the invention;
fig. 19 is an exploded view of the second housing, the second shield shell and the stop of the connector structure according to the embodiment of the present invention;
FIG. 20 is a perspective view of a stop member of the connector structure according to the present invention;
FIG. 21 is a schematic perspective view of a wire end connector and a plate end connector of a connector configuration according to another embodiment of the present invention shown in the disengaged configuration;
FIG. 22 is a schematic perspective view of a wire end connector and a plate end connector of a connector configuration according to another embodiment of the present invention with the first and second housings removed and the plate end connector separated;
fig. 23 is a schematic perspective view of a wire end connector and a plate end connector of a connector structure according to another embodiment of the present invention, with the first housing, the second housing and the first shielding shell removed.
In the figure:
1. a plate end connector; 11. a first housing; 12. a PCB board; 121. mounting holes; 122. welding a groove; 13. a first shield shell; 131. a first connection portion; 132. a first shield body; 1321. connecting columns; 1322. a boss portion; 133. a shielding sheet; 14. a first latch structure; 141. a channel; 142. a side positioning plate; 143. blocking strips; 15. an insulating plug; 16. a first signal terminal; 17. a first insulator;
2. a wire end connector; 21. a second housing; 211. a clamping hole; 212. elastic tabletting; 22. a second shield shell; 221. a second connecting portion; 222. a second shield body; 2221. a locking groove; 23. a stop member; 231. a stop body; 232. briquetting; 233. a locking portion; 234. a clamping buckle; 24. a second insulator; 241. a side hole; 25. a second locking structure; 251. elastic buckle; 2511. a boss; 252. a limiting part; 26. a stop plug; 27. a fastening ring; 28. a second signal terminal;
3. a cable.
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 attached fig. 1-23.
The present embodiment provides a connector structure, as shown in fig. 1 to 5, the connector structure includes a board-end connector 1 and a line-end connector 2 plugged with the board-end connector, and the board-end connector 1 includes a
The
This embodiment makes first shielding shell 13 ground connection through being connected to first shielding shell 13
In order to further increase the transmission rate of signals, the connector structure in this embodiment transmits differential signals.
In order to facilitate the installation of the
Optionally, a card slot is formed in the middle of the first shielding
In order to facilitate fixing of the
In order to further increase the signal transmission rate, the board terminal connector 1 in this embodiment further includes an insulating
Since the
In order to facilitate the stable and reliable connection of the first shielding shell 13 with the
As shown in fig. 7 to 11, the four corners of the bottom of the first shielding
In order to improve the shielding effect of the first shielding shell 13, as shown in fig. 7 and 11, the protrusions 1322 are further disposed between the connection posts 1321 of the first shielding
Further, as shown in fig. 12 to 17, the line terminal connector 2 includes a
It can be understood that, the signal is transmitted to the
In order to facilitate the connection between the
As shown in fig. 15 and 17, the terminal connector 2 further includes a
Since the
In order to facilitate the insertion of the
Specifically, the
In order to facilitate the connection of the
Specifically, the middle portion of each rib is convexly provided in an arc shape toward the radially outer side of the second connection portion 221. In order to reduce the insertion and extraction force when the second connection portion 221 and the
As shown in fig. 15 and 17, the terminal connector 2 further includes a
Specifically, the
In order to make and end a 23 and can be stably connected with
Further, the terminal connector 2 further includes a
As shown in fig. 7, 15 and 16, a first locking structure 14 is disposed on one side of the
Specifically, the first latch structure 14 includes two
The plate-side connector 1 and the line-side connector 2 in this embodiment may be single-hole connectors, as shown in fig. 21 to 23, or may be four-hole connectors, and the number of holes of the connectors is not limited to the present invention, and for example, the number of holes of the connectors may be two holes, six holes, or the like.
In this embodiment, the first shielding shell 13 is grounded by connecting the first shielding shell 13 to the
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.
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