Plug-in type integrated filtering connector

Abstract

The invention discloses a plug-in type integrated filtering connector, and relates to the technical field of filtering connectors, a plug and a socket which are plugged in each other are adopted on the filtering connector, when a plug shell and a socket shell are plugged and matched, a pin terminal extends into the plug shell and is plugged with a jack terminal, and the jack terminal is connected with an OT terminal through a screw. And then the upper cover plate is buckled on the plug shell, so that the joints among the screws, the jack terminals, the OT terminals and the pin terminals on the filtering connector are located in a protection space formed by the plug shell and the socket shell, and the joints among the screws, the jack terminals, the OT terminals and the pin terminals are in a protection state. According to the utility model, the anti-corrosion performance of the connection part among the screw, the jack terminal, the OT terminal and the pin terminal is increased, the service life of the filtering connector is effectively prolonged, and the technical problem that the connection part of the screw and the terminal on the existing filtering connector is in an exposed state, and the serious corrosion condition occurs along with the increase of the use time is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of filter connectors, in particular to a plug-in integrated filter connector. BACKGROUND

[0002] As one of important types of electrical connectors, filter electrical connectors have been widely used in many fields such as automobiles, aviation, aerospace, communication, etc. The filter electrical connector is composed of a filter or a filter circuit added to the contact of an ordinary electrical connector, which can effectively suppress electromagnetic interference to ensure the integrity of the signal.

[0003] At present, the filter connectors on the market are generally connected to external wiring harnesses through screws, and the connection between the screws and the terminals on the connector is in an exposed state. With the increase of use time, serious corrosion may occur, thereby affecting the function of the filter connector. SUMMARY

[0004] In view of the deficiencies in the above background art, the present application provides a plug-in integrated filter connector, which solves the technical problem that the connection between the screw and the terminal on the existing filter connector is in an exposed state, and serious corrosion may occur with the increase of use time.

[0005] The technical scheme of the present application is implemented as follows: a plug-in integrated filter connector, comprising a plug and a socket, the plug and the socket are plugged together, the socket comprises a socket shell, one side of the socket shell is provided with a filter circuit board and a liquid silicone layer connected to the socket shell for packaging the filter circuit board, the socket shell is further provided with a pin terminal matched with the filter circuit board and a bushing, the pin terminal extends out of the socket shell; the plug comprises a plug shell, a screw and an OT terminal for connecting a wire harness, the OT terminal is connected with a jack terminal through the screw; the plug shell is provided with an opening for facilitating installation of the screw, and a top cover plate is detachably connected to the opening of the plug shell; when the plug shell and the socket shell are plugged together, the pin terminal extends into the plug shell and is plugged with the jack terminal. The plug and the socket of the filter connector are plugged together, when the plug shell and the socket shell are plugged together, the pin terminal extends into the plug shell and is plugged with the jack terminal, the jack terminal is connected with the OT terminal through the screw, and the top cover plate is buckled on the plug shell, so that the connection between the screw, the jack terminal, the OT terminal and the pin terminal is in the protection space formed by the plug shell and the socket shell, the connection between the screw, the jack terminal, the OT terminal and the pin terminal is in a protection state, the corrosion resistance of the connection between the screw, the jack terminal, the OT terminal and the pin terminal is improved, the service life of the filter connector is effectively improved, and the technical problem that the connection between the screw and the terminal of the existing filter connector is in an exposed state and serious corrosion occurs with the increase of the use time is solved.

[0006] The filter circuit board is provided with filter devices to meet the filtering function, and the filter devices are existing elements, which will not be described herein. The socket shell plays a role in protection and bearing of other parts, and also plays a role in cooperation with the plug.

[0007] The pin terminal is a current transmission carrier for transmitting current. The pin terminal is integrally formed with the socket shell by injection molding, and the pin terminal is provided with a sealing ring groove, which can improve the sealing performance of the pin terminal after injection molding with the socket shell. The pin terminal is also provided with a knurled tooth, and the filter circuit board is clamped on the knurled tooth by interference pressure connection, so that the pin terminal is connected and conducted with the filter circuit board as a positive input.

[0008] The socket shell plays a role in protection and bearing of other parts, and also plays a role in cooperation with the plug. The socket shell is provided with a pin terminal in the center, and the pin terminal is plugged with the jack terminal. When the plug and the socket are plugged together, the pin terminal is inserted from the lower end center of the front cover plate and connected with the jack terminal, so as to realize plugging of the connector.

[0009] The liquid silicone rubber layer is formed by liquid silicone rubber, and the pin terminal, the socket shell and the filter circuit board are integrated by liquid silicone rubber injection molding, so as to meet the sealing of the socket as a whole.

[0010] The liquid silicone rubber wraps the jack terminal, and the liquid silicone rubber layer on the threaded hole has a hole, and a blocking piece is connected to the hole.

[0011] Preferably, the plug shell is a T-shaped hollow tube, and the OT terminal is arranged perpendicularly to the jack terminal. The perpendicular arrangement of the OT terminal and the jack terminal realizes the connection of the pin terminal to the wire harness at 90°.

[0012] Preferably, the jack terminal is hung with a front cover plate, the front cover plate is inserted into the socket shell, the plug shell is provided with a tongue, and the tongue is hung with the socket shell. After the plug and the socket are inserted, the relative position of the socket shell and the front cover plate is fixed. Due to the relative rotation of the front cover plate and the jack terminal, the socket shell and the plug shell can be relatively rotated, and the plug and the socket can be rotated by 360°.

[0013] Preferably, the front cover plate is located outside the jack terminal, the lower part of the jack terminal is provided with an annular groove, the inner side of the front cover plate is provided with a hanging table, and the hanging table is matched with the annular groove. The front cover plate is provided with a protruding key, the socket shell is provided with a key groove, and the protruding key is hung with the key groove. The lower part of the jack terminal is provided with an annular groove, the inner side of the front cover plate is provided with a hanging table, and the hanging table is matched with the annular groove. When the front cover plate is rotated, the hanging table slides in the annular groove. The connection of the hanging table and the annular groove realizes the axial positioning of the front cover plate, and prevents the front cover plate from being separated from the plug shell. The outer side of the front cover plate is provided with an axially arranged protruding key, the inner side of the socket shell is provided with a key groove, and the protruding key is matched with the key groove. When the plug and the socket are inserted, the protruding key is inserted into the key groove, so that the relative position of the front cover plate and the socket shell is fixed. When the plug shell is rotated, the socket shell is relatively rotated with the plug shell under the action of the front cover plate. At the same time, the inlet of the key groove is provided with a guide angle. When the connector is inserted, the guide angle guides the protruding key, so that the protruding key can smoothly enter the key groove, realizes the 360° insertion of the connector, and facilitates the assembly of the connector by the operator. Further, the top circle size of the protruding key is matched with the groove bottom circle size of the key groove.

[0014] Preferably, the lower end of the tongue is provided with a hook, the outer side of the socket shell is provided with a hanging ring, and the hook and the hanging ring are hung together. The head of the plug shell is provided with a tongue, and the middle of the tongue is connected with the plug shell. The outer side of the socket shell is provided with a hanging ring, and the lower end of the tongue is provided with a hook. The hook and the hanging ring are matched. When the plug and the socket are inserted, the socket shell is inserted into the inner side of the plug shell. At this time, the hanging ring on the socket shell is connected with the hook of the tongue, realizing the axial limiting of the socket shell and the plug shell, and realizing the limiting of the relative position of the plug and the socket.

[0015] Preferably, the upper cover plate is clamped with the plug shell; the side of the upper cover plate is provided with a hanging table, and the side wall of the plug shell is provided with a fixing hole, the hanging table and the fixing hole are hung together, the hanging table can rotate in the fixing hole, and the upper cover plate is provided with a boss which can be stopped with the upper part of the tongue. The upper cover plate is provided above the plug shell and is rotatably connected with the plug shell. The lower side of the upper cover plate is provided with a boss which is located inside the tongue and matches the upper part of the tongue. The side of the upper cover plate is provided with a hanging table, and the side wall of the plug shell is provided with a fixing hole. The hanging table is hung in the fixing hole and can rotate in the fixing hole, so as to realize the rotation of the boss. Specifically, before the plug and the socket are inserted, the boss is away from the tongue. After the plug and the socket are inserted, the upper cover plate is rotated, so that the boss is attached to the inner wall of the tongue, thereby limiting the tongue and realizing the secondary locking of the connector.

[0016] Preferably, the opening of the plug shell is provided with a buckle plate, the buckle plate is located between the screw and the upper cover plate, and the buckle plate is provided with a rubber ring. The buckle plate is arranged to further protect the connection between the screw, the jack terminal and the OT terminal, and to improve the protection strength of the connection between the screw, the jack terminal and the OT terminal. The buckle plate is rotatably connected with the upper cover plate, and the rubber ring is arranged between the buckle plate and the plug shell. The rubber ring seals the upper part of the plug shell. When the upper cover plate is rotated, the buckle plate, the rubber ring and the plug shell do not rotate relatively, effectively ensuring the sealing stability of the rubber ring.

[0017] Preferably, the plug shell is provided with a plug sealing ring inside, and the plug sealing ring is located between the plug shell and the socket shell. After the plug shell and the socket shell are inserted, the plug sealing ring is located between the plug shell and the socket shell. The arrangement of the plug sealing ring improves the sealing performance after the plug shell and the socket shell are inserted.

[0018] Preferably, the tail of the plug shell is provided with a tail cover for fixing the wire harness, the tail cover is hung with the plug shell, and the wire harness sealing ring is arranged between the tail cover and the plug shell. The tail cover is hung with the plug shell through the slot hole and the buckle on the plug shell, so as to realize the hanging of the tail cover and the tail of the plug shell. The wire harness is connected through the tail cover and the tail of the OT terminal. The wire harness sealing ring is arranged to realize the sealing between the wire harness and the plug shell.

[0019] Preferably, the bushing is integrally connected to the socket housing by injection molding; the pin terminal is integrally connected to the socket housing by injection molding; the positive terminal of the filter circuit board is connected to the pin terminal, and the negative terminal of the filter circuit board is connected to the bushing; a magnetic ring corresponding to the pin terminal is provided on the liquid silicone layer, and the magnetic ring is coaxially arranged with the pin terminal. The bushing is integrally formed with the socket housing by injection molding. The bushing has a knurled structure and an annular groove. After the bushing and the socket housing are integrally injection molded, both airtightness and bushing release force are improved, resulting in better reliability. Integrating the pin terminal with the socket housing by injection molding improves the connection strength between the pin terminal and the socket housing. The positive terminal of the filter circuit board is connected to the pin terminal, and the negative terminal of the filter circuit board is connected to the bushing by laser welding. Furthermore, it is connected to a metal mounting panel by bolts on the bushing holes to achieve the grounding function of the negative terminal of the filter circuit board. The magnetic ring is sleeved on the outside of the pin terminal to improve the filtering effect.

[0020] The liquid silicone layer is formed from liquid silicone. The pin terminals, socket housing, bushing, and filter circuit board are integrated into a whole through liquid silicone injection molding to achieve overall sealing of the socket.

[0021] The beneficial effects of this invention are: The filter connector of this application uses a plug and socket that interlock. When the plug housing and the socket housing are plugged in, the pin terminal extends into the plug housing and is plugged into the socket terminal. The socket terminal is connected to the OT terminal by a screw. Then, the upper cover is fastened to the plug housing, so that the connection between the screw, socket terminal, OT terminal and pin terminal on the filter connector is within the protective space formed by the plug housing and the socket housing. This protects the connection between the screw, socket terminal, OT terminal and pin terminal, increases the corrosion resistance of the connection between the screw, socket terminal, OT terminal and pin terminal, and effectively improves the service life of the filter connector. Attached Figure Description

[0022] To more clearly illustrate the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the plug and socket of the present invention after assembly.

[0024] Figure 2 This is a perspective view of the plug of the present invention.

[0025] Figure 3The exploded view of the plug of the present application.

[0026] Figure 4 The sectional view of the plug of the present application.

[0027] Figure 5 The perspective view of the front cover plate of the present application.

[0028] Figure 6 The perspective view of the upper cover plate of the present application.

[0029] Figure 7 The perspective view of the socket of the present application.

[0030] Figure 8 The exploded view of the socket of the present application.

[0031] Figure 9 The sectional view of the socket of the present application.

[0032] In the figure: 1 plug, 101 upper cover plate, 1011 hanging table, 1012 boss, 102 buckle plate, 103 rubber ring, 104 screw, 105 plug shell, 1051 tongue, 106 plug sealing ring, 107 jack terminal, 108 front cover plate, 1081 key, 1082 hanging table, 109 OT terminal, 110 wire harness sealing ring, 111 tail cover, 112 fixed groove, 2 socket, 201 pin terminal, 202 socket shell, 2021 hanging ring, 2022 key groove, 2023 fixed boss, 203 bushing, 204 filter circuit board, 205 magnetic ring, 206 liquid silicone layer, 207 stop block. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative effort belong to the protection scope of the present application.

[0034] Embodiment 1, a plug-in integrated filter connector, like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 7 and Figure 8As shown, including plug 1 and socket 2, plug 1 and socket 2 plug, the socket 2 includes socket shell 202, one side of the socket shell 202 is provided with filter circuit board 204 and liquid silicone layer 206 connected to the socket shell 202 for packaging filter circuit board 204, socket shell 202 is also provided with pin terminal 201 matched with filter circuit board 204 and bushing 203, pin terminal 201 extends out of the socket shell 202; the plug 1 includes plug shell 105, screw 104 and OT terminal 109 for connecting wire harness, the OT terminal 109 is connected with the jack terminal 107 through the screw 104; the plug shell 105 is provided with an opening for facilitating the installation of the screw 104, and the plug shell 105 is detachably connected with the upper cover plate 101, when the plug shell 105 and the socket shell 202 are plugged together, the pin terminal 201 extends into the plug shell 105 and is plugged with the jack terminal 107. The plug and the socket of the filter connector are used in the application, wherein when the plug shell 105 and the socket shell 202 are plugged together, the pin terminal 201 extends into the plug shell 103 and is plugged with the jack terminal 107, the jack terminal 107 is connected with the OT terminal 109 through the screw 104, and the upper cover plate 101 is buckled on the plug shell 105, so that the connection between the screw 104, the jack terminal 107, the OT terminal 109 and the pin terminal 201 on the filter connector is in the protection space formed by the plug shell 105 and the socket shell 202, the connection between the screw 104, the jack terminal 107, the OT terminal 109 and the pin terminal 201 is in a protection state, the corrosion resistance of the connection between the screw 104, the jack terminal 107, the OT terminal 109 and the pin terminal 201 is increased, the service life of the filter connector is effectively improved, and the technical problem that the connection between the screw and the terminal on the existing filter connector is in an exposed state and serious corrosion occurs with the increase of use time is solved.

[0035] Wherein the filter circuit board 204 is provided with filter devices to meet the filtering function, and the filter devices are existing elements, which will not be described here. The socket shell 202 plays a role of protection and bearing of other parts, and also plays a role of cooperation with the plug 1.

[0036] Wherein the pin terminal 201 is a current transmission carrier for transmitting current. The pin terminal 201 is integrally formed with the socket shell 202 by injection molding, and the pin terminal 201 is provided with a sealing ring groove, which can improve the sealing performance of the pin terminal 201 after injection molding with the socket shell 202; the pin terminal 201 is also provided with a knurled tooth, and the filter circuit board 204 is clamped on the knurled tooth by interference pressure connection, so that the pin terminal 201 is connected and conducted with the filter circuit board 204 as a positive input.

[0037] The socket shell 202 plays a role of protection and bearing of other components, and also plays a role of cooperation with the plug 1. The socket shell 202 is provided with a pin terminal 201 in the center, and the pin terminal 201 is inserted into and connected with the jack terminal 107. When the plug 1 and the socket 2 are inserted, the pin terminal 201 is inserted into the center of the lower end of the front cover plate 108 and connected with the jack terminal 107, so as to realize the insertion of the connector.

[0038] The liquid silicone rubber layer 206 is formed by liquid silicone rubber, and the pin terminal 201, the socket shell 202 and the filter circuit board 204 are formed into an integral whole by means of liquid silicone rubber injection molding, so as to meet the sealing of the socket 2 as a whole.

[0039] The liquid silicone rubber layer 206 wraps the pin terminal 201, and the liquid silicone rubber layer 206 needs to be sealed around the threaded hole to prevent the liquid silicone rubber from overflowing into the thread. Therefore, the liquid silicone rubber layer 206 has a hole at the threaded hole, and the blocking block 207 is connected to the hole of the liquid silicone rubber layer 206, so as to prevent the debris in the hole from falling out.

[0040] The socket shell 202 is provided with a fixing protrusion 2023, and the plug shell 103 is provided with a fixing groove 112. The fixing groove 112 is matched with the fixing protrusion 2023 in a concave-convex mode. Preferably, four fixing protrusions 2023 are symmetrically arranged along the circumference of the socket shell 202, and the fixing groove 112 can be matched with any one of the fixing protrusions 2023 in a concave-convex mode. The concave-convex matching of the fixing groove 112 and the fixing protrusions 2023 at different positions realizes different wire outlet directions, so that the plug 1 and the socket 2 can be adjusted in the wire outlet direction after being inserted.

[0041] In example 2, on the basis of example 1, an integrated plug-in filter connector is shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4 The plug shell 105 is a T-shaped hollow pipe, and the OT terminal 109 is arranged vertically with the jack terminal 107. The vertical arrangement of the OT terminal 109 and the jack terminal 107 realizes the connection of the wire harness at 90°.

[0042] In example 3, on the basis of example 2, an integrated plug-in filter connector is shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown, the jack terminal 107 is hung with a front cover plate 108, the front cover plate 108 is plugged with the socket shell 202, the plug shell 105 is provided with a tongue 1051, the tongue 1051 is hung with the socket shell 202. After the plug 1 and the socket 2 are plugged, the relative position of the socket shell 202 and the front cover plate 108 is fixed, due to the relative rotation of the front cover plate 108 and the jack terminal 107, the socket shell 202 and the plug shell 105 can be relatively rotated, and then the plug 1 and the socket 2 can be rotated by 360°.

[0043] Embodiment 4, on the basis of embodiment 3, an integrated plug-in filter connector, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, the front cover plate 108 is located outside the jack terminal 107, the lower part of the jack terminal 107 is provided with an annular groove, the inner side of the front cover plate 108 is provided with a hanging table 1082, the hanging table 1082 is matched with the annular groove; the front cover plate 108 is provided with a key 1081, the socket shell 202 is provided with a keyway 2022, the key 1081 is hung with the keyway 2022. The lower part of the jack terminal 107 is provided with an annular groove, the inner side of the front cover plate 108 is provided with a hanging table 1082, the hanging table 1082 is matched with the annular groove, when the front cover plate 108 rotates, the hanging table 1082 slides in the annular groove, the hanging table 1082 is connected with the annular groove to realize the axial limiting of the front cover plate 108, preventing the front cover plate 108 from being separated from the plug shell 105. The outer side of the front cover plate 108 is provided with an axially arranged key 1081, the inner side of the socket shell 202 is provided with a keyway 2022, the key 1081 is matched with the keyway 2022, when the plug 1 and the socket 2 are plugged, the key 1081 is inserted into the keyway 2022, the relative position of the front cover plate 108 and the socket shell 202 is fixed, and when the plug shell 105 rotates, the socket shell 202 rotates relative to the plug shell 105 under the action of the front cover plate 108. At the same time, the inlet of the keyway 2022 is provided with a guide angle, when the connector is plugged, the guide angle guides the key 1081, so that the key 1081 can smoothly enter the keyway 2022, realizing the 360° plug-in of the connector, which is convenient for the operator to assemble the connector. Further, the top circle size of the key 1081 is matched with the groove bottom circle size of the keyway 2022.

[0044] Embodiment 5, on the basis of embodiment 4, an integrated plug-in filter connector, as shown in Figure 2 and Figure 4As shown, the lower end of the tongue 1051 is provided with a hook, the outer side of the socket shell 202 is provided with a hanging ring 2021, and the hook and the hanging ring 2021 are hung in cooperation. The head side wall of the plug shell 105 is provided with a tongue 1051, and the middle part of the tongue 1051 is connected with the plug shell 105. The outer side of the socket shell 202 is provided with a hanging ring 2021, the lower end of the tongue 1051 is provided with a hook, and the hook cooperates with the hanging ring 2021. When the plug 1 and the socket 2 are plugged, the socket shell 202 is inserted into the inner side of the plug shell 105, at this time the hanging ring 2021 on the socket shell 202 is connected with the hook of the tongue 1051, realizing the axial limiting of the socket shell 202 and the plug shell 105, and realizing the limitation of the relative position of the plug 1 and the socket 2.

[0045] Embodiment 6, on the basis of embodiment 5, a plug-in integrated filter connector, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 6 As shown, the upper cover plate 101 is clamped with the plug shell 105; the side of the upper cover plate 101 is provided with a hanging table 1011, the side wall of the plug shell 105 is provided with a fixing hole, the hanging table 1011 and the fixing hole are hung in cooperation, the hanging table 1011 can rotate in the fixing hole in the circumference, and the upper cover plate 101 is provided with a boss 1012 which can cooperate with the upper part of the tongue 1051. The upper side of the plug shell 105 is provided with the upper cover plate 101 which is connected with it in rotation, the lower side of the upper cover plate 101 is provided with the boss 1012, the boss 1012 is located in the inner side of the tongue 1051 and cooperates with the upper part of the tongue 1051. The side of the upper cover plate 101 is provided with the hanging table 1011, the side wall of the plug shell 105 is provided with the fixing hole, the hanging table 1011 is hung in the fixing hole and can rotate in the fixing hole, thereby realizing the rotation of the boss 1012. Specifically, before the plug 1 and the socket 2 are plugged, the boss 1012 is away from the tongue 1051, after the plug 1 and the socket 2 are plugged, the upper cover plate 101 is rotated, so that the boss 1012 is in close contact with the inner wall of the tongue 1051, thereby limiting the tongue 1051 and realizing the secondary locking of the connector.

[0046] Embodiment 7, on the basis of embodiment 6, a plug-in integrated filter connector, as shown in Figure 3 and Figure 4As shown, the opening of the plug shell 105 is provided with a buckle plate 102 between the screw 104 and the upper cover plate 101, and the buckle plate 102 is provided with a rubber ring 103. The buckle plate 102 is arranged to further protect the connection between the screw 104, the jack terminal 107 and the OT terminal 109, and improve the protection strength of the connection between the screw 104, the jack terminal 107 and the OT terminal 109. The buckle plate 102 is rotationally connected with the upper cover plate 101, and the rubber ring 103 is arranged between the buckle plate 102 and the plug shell 105. The rubber ring 103 seals the upper part of the plug shell 105. When the upper cover plate 101 rotates, the buckle plate 102, the rubber ring 103 and the plug shell 105 do not rotate relative to each other, effectively ensuring the sealing stability of the rubber ring 103.

[0047] Example 8, on the basis of example 7, a plug-in integrated filter connector, as shown in Figure 3 and Figure 4 As shown, the plug shell 105 is provided with a plug sealing ring 106 inside the plug shell 105, and the plug sealing ring 106 is located between the plug shell 105 and the socket shell 202. After the plug shell 105 and the socket shell 202 are plugged in, the plug sealing ring 106 is located between the plug shell 105 and the socket shell 202, and the arrangement of the plug sealing ring 106 improves the sealing performance after the plug shell 105 and the socket shell 202 are plugged in.

[0048] Example 9, on the basis of example 1 or 8, a plug-in integrated filter connector, as shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the tail cover 111 for fixing the wire harness is arranged at the tail of the plug shell 105, the tail cover 111 is hung and matched with the plug shell 105, and the wire harness sealing ring 110 is arranged between the tail cover 111 and the plug shell 105. The tail cover 111 is hung with the plug shell 105 through the slot hole and the buckle to realize the hanging of the tail cover 111 and the tail of the plug shell 105. The wire harness is connected through the tail cover 111 and the tail of the OT terminal 109, and the wire harness sealing ring 110 is arranged to realize the sealing between the wire harness and the plug shell 105.

[0049] Example 10, on the basis of example 9, a plug-in integrated filter connector, as shown in Figure 7 and Figure 8As shown, the bushing 203 is integrally connected with the socket shell 202 by injection molding; the pin terminal 201 is integrally connected with the socket shell 202 by injection molding; the positive pole of the filter circuit board 204 is connected with the pin terminal 201, and the negative pole of the filter circuit board 204 is connected with the bushing 203; the liquid silicone layer 206 is provided with a magnetic ring 205 corresponding to the pin terminal 201, and the magnetic ring 205 is coaxially arranged with the pin terminal 201. The bushing 203 is integrally formed with the socket shell 202 by injection molding, the structure of the bushing 203 is straight grain knurling, and the bushing 203 is provided with an annular groove. After the bushing 203 and the socket shell 202 are integrally injection molded, the air tightness and the pull-out force of the bushing 203 can be improved, and the reliability is better. The pin terminal 201 is integrally connected with the socket shell 202 by injection molding, which can improve the connection strength between the pin terminal 201 and the socket shell 202. The positive pole of the filter circuit board 204 is connected with the pin terminal 201, and the negative pole of the filter circuit board 204 is connected with the bushing 203 by laser welding. Further, the bushing hole is connected to the metal mounting panel by a bolt, realizing the grounding function of the negative pole of the filter circuit board 204. The magnetic ring 205 is located outside the pin terminal 201, which improves the filtering effect.

[0050] The liquid silicone layer 206 is formed by liquid silicone, and the pin terminal 201, the socket shell 202, the bushing 203 and the filter circuit board 204 are integrally formed by injection molding of the liquid silicone, satisfying the sealing of the socket 2 as a whole.

[0051] In the implementation of the embodiment 10, when the plug 1 is assembled, the OT terminal 109 and the jack terminal 107 are respectively inserted into the plug shell 105, and then the OT terminal 109 and the jack terminal 107 are fixedly connected by the screw 104, and then the front cover plate 108 is fixedly arranged in the plug shell 105, wherein the lower part of the jack terminal 107 is provided with an annular groove, the inner side of the front cover plate 108 is provided with a hanging table 1082, the hanging table 1082 is matched with the annular groove, the hanging table 1082 slides in the annular groove when the front cover plate 108 rotates, the hanging table 1082 and the annular groove are connected to realize the axial positioning of the front cover plate 108, and the front cover plate 108 is prevented from being separated from the plug shell 105, wherein the outer side of the front cover plate 108 is provided with an axially arranged protruding key 1081, the inner side of the socket shell 202 is provided with a key groove 2022, the protruding key 1081 is matched with the key groove 2022, then the buckle plate 102 and the rubber ring 103 are arranged in the opening of the plug shell 105, and the upper cover plate 101 is arranged at the opening of the plug shell 105, and when the upper cover plate 101 rotates, the buckle plate 102 and the rubber ring 103 do not relatively rotate with the plug shell 105, so that the plug 1 of the application is formed; when the socket 2 is assembled, the positive electrode of the filter circuit board 204 is connected with the pin terminal 201, the negative electrode of the filter circuit board 204 is connected with the bushing 203 through laser welding, and then the pin terminal 201, the socket shell 202, the bushing 203, the filter circuit board 204 and the magnetic ring 205 are integrally formed by liquid silicone injection molding, so that the socket 2 of the application is formed; then the socket 2 is inserted into the plug shell 105, and when the plug shell 105 and the socket shell 202 are inserted and matched, the pin terminal 201 is inserted into the plug shell 105 and is inserted with the jack terminal 107, at this time, the protruding key 1081 is inserted into the key groove 2022, so that the relative position of the front cover plate 108 and the socket shell 202 is fixed, and when the plug shell 105 rotates, the socket shell 202 relatively rotates with the plug shell 105 under the action of the front cover plate 108, when the socket shell 202 is inserted into the inner side of the plug shell 105, at this time, the hanging ring 2021 on the socket shell 202 is connected with the hook of the tongue 1051, so that the axial positioning of the socket shell 202 and the plug shell 105 is realized, the relative position of the plug and the socket is limited, and the filter connector of the application is formed.

[0052] The above only describes the preferred embodiments of the application and is not used to limit the application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the application shall be included in the protection scope of the application.

Claims

1. A plug-in integrated filter connector, comprising a plug (1) and a socket (2), wherein the plug (1) and the socket (2) are plugged into each other, characterized in that, The socket (2) includes a socket housing (202), on one side of which is a filter circuit board (204) and a liquid silicone layer (206) connected to the socket housing (202) for encapsulating the filter circuit board (204). The socket housing (202) is also provided with a pin terminal (201) and a bushing (203) that mate with the filter circuit board (204). The pin terminal (201) extends out of the socket housing (202). The plug (1) includes a plug housing (105), a screw ( 104) and OT terminal (109) for connecting wire harness, OT terminal (109) is connected to socket terminal (107) by screw (104); the plug housing (105) is provided with an opening for easy installation of screw (104), and the opening of the plug housing (105) is detachably connected to the top cover plate (101). When the plug housing (105) and socket housing (202) are plugged in, the pin terminal (201) extends into the plug housing (105) and plugs in with the socket terminal (107).

2. The plug-in integrated filter connector according to claim 1, characterized in that: The plug housing (105) is a T-shaped hollow tube, and the OT terminal (109) is perpendicular to the socket terminal (107).

3. The plug-in integrated filter connector according to claim 2, characterized in that: A front cover plate (108) is attached to the socket terminal (107), and the front cover plate (108) is inserted into the socket housing (202). A pressure tongue (1051) is provided on the plug housing (105), and the pressure tongue (1051) is attached to the socket housing (202).

4. The plug-in integrated filter connector according to claim 3, characterized in that: The front cover plate (108) is located outside the socket terminal (107). The lower part of the socket terminal (107) is provided with an annular groove. The inner side of the front cover plate (108) is provided with a mounting platform (1082). The mounting platform (1082) is adapted to the annular groove. The front cover plate (108) is provided with a protruding key (1081). The socket housing (202) is provided with a keyway (2022). The protruding key (1081) is engaged with the keyway (2022).

5. The plug-in integrated filter connector according to claim 4, characterized in that: The lower end of the tongue depressor (1051) is provided with a hook, and the outer side of the socket housing (202) is provided with a hanging ring (2021), and the hook and the hanging ring (2021) are engaged.

6. The plug-in integrated filter connector according to claim 5, characterized in that: The upper cover plate (101) is snapped into the plug housing (105); the upper cover plate (101) is provided with a hanging platform (1011) on its side, and the plug housing (105) is provided with a fixing hole on its side wall. The hanging platform (1011) is engaged with the fixing hole, and the hanging platform (1011) can rotate circumferentially in the fixing hole. The upper cover plate (101) is provided with a boss (1012) that can be engaged with the upper part of the pressure tongue (1051).

7. The plug-in integrated filter connector according to claim 6, characterized in that: The plug housing (105) has a snap plate (102) at the opening. The snap plate (102) is located between the screw (104) and the upper cover plate (101). The snap plate (102) has a rubber ring (103).

8. The plug-in integrated filter connector according to claim 7, characterized in that: The plug housing (105) is provided with a plug sealing ring (106), which is located between the plug housing (105) and the socket housing (202).

9. The plug-in integrated filter connector according to claim 1 or 8, characterized in that: The plug housing (105) has a tail cap (111) for fixing the wire harness at the tail end. The tail cap (111) is hooked and engaged with the plug housing (105). A wire harness sealing ring (110) is provided between the tail cap (111) and the plug housing (105).

10. The plug-in integrated filter connector according to claim 9, characterized in that: The bushing (203) is integrally connected to the socket housing (202) by injection molding; the pin terminal (201) is integrally connected to the socket housing (202) by injection molding; the positive terminal of the filter circuit board (204) is connected to the pin terminal (201), and the negative terminal of the filter circuit board (204) is connected to the bushing (203); a magnetic ring (205) corresponding to the pin terminal (201) is provided inside the liquid silicone layer (206), and the magnetic ring (205) and the pin terminal (201) are coaxially arranged.

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