Electric connector assembly for signal transmission

Abstract

The utility model relates to the field of electric connectors, and provides an electric connector assembly for signal transmission. Comprising a plug and a socket, the plug is connected with the socket and transmits signals, the plug comprises a plug shell, a head insulation assembly installed in the plug shell and a jack assembly installed in the insulation assembly, and the socket comprises a socket shell, a clamping cap, a seat insulation assembly installed in the socket shell and a pin assembly installed in the seat insulation assembly. The plug and the socket are connected in a threaded fit mode of the clamping cap, the connection stability is improved, the reed pipe and the reed needle are installed through the corresponding insulators and are axially limited through the positioning claws, the reed pipe and the reed needle are not prone to loosening in the plugging and unplugging process, and the service life of the plug is prolonged. Positioning, guiding and limiting are achieved on the connecting face of the reed pipe and the reed pin through a conical protrusion structure on the pin inserting protection plate, the vibration and impact resistance is further improved, and the stability of signal transmission can be ensured.

Description

Technical Field

[0001] The utility model relates to the field of electrical connectors, and particularly relates to an electrical connector assembly for signal transmission. Background Art

[0002] Electrical connectors are generally used for signal transmission and consist of a plug and a socket. Signal transmission cables are respectively connected to the plug and the socket, and the plug and the socket are connected by a metal connector to form electrical signal conduction. In fields such as aviation and military communication equipment, higher requirements are imposed on the connection stability of the connectors. The conventional connection method between the plug and the socket is generally an insertion connection method, and the connection is maintained by the frictional force or interference force between the socket and the reed pipe. Such a connection method cannot meet the requirements of severe vibration and shock. At the same time, when disconnecting the socket from the plug, due to the connection force between the pin and the jack, the pin will become loose, seriously affecting the plug and unplug life. Summary of the Invention

[0003] In order to meet the high reliability requirements of the connector and improve the service life of the connector, the utility model provides an electrical connector assembly for signal transmission.

[0004] The technical solution adopted by the utility model is as follows:

[0005] An electrical connector assembly for signal transmission includes a plug and a socket. The plug is connected to the socket to transmit signals. The plug includes a plug housing, a head insulation assembly installed in the plug housing, and a jack assembly installed in the insulation assembly. The head insulation assembly includes a head wire insulator, a head cover insulator, and a jack insulator. The head wire insulator is located on the side of the plug housing close to the wiring end, the jack insulator is located on the side of the plug housing close to the socket, and the head cover insulator is located between the head wire insulator and the jack insulator. The jack assembly includes a plurality of reed pipes. Through holes corresponding to the reed pipes are provided on the head cover insulator and the jack insulator, and cable holes corresponding to the reed pipes are provided on the head wire insulator. The reed pipes are fixedly installed in the jack insulator, and one end of the reed pipe passes through the head cover insulator and is inserted into the head wire insulator; signal cables are respectively inserted into the cable holes, and the signal cables are in contact and cooperation with the insertion ends of the reed pipes.

[0006] The socket includes a socket housing, a retaining cap, a socket insulation assembly installed in the socket housing, and a pin assembly installed in the socket insulation assembly. The socket insulation assembly includes a socket wire insulator, a socket cover insulator, a pin insulator, and a pin guard plate. The socket wire insulator is located on the side of the socket housing close to the wiring terminal, the pin insulator is located on the side of the socket housing close to the plug, the socket cover insulator is located between the socket wire insulator and the pin insulator, the pin guard plate is installed on the outer side of the pin insulator. The pin assembly includes a plurality of spring pins. Through holes corresponding to the spring pins are provided on the pin guard plate, the socket cover insulator, and the pin insulator. The socket wire insulator is provided with cable holes corresponding to the reed tubes. The spring pins are fixedly installed in the pin insulator. One end of the spring pin passes through the socket cover insulator and is inserted into the socket wire insulator, and the other end of the spring pin extends outside the pin guard plate; Signal cables are respectively inserted into the cable holes, and the signal cables are in contact and cooperation with the insertion ends of the spring pins;

[0007] The spring pin is inserted and mated with the reed tube.

[0008] Further, an external thread is provided on one side of the plug housing away from the wiring terminal. The retaining cap is sleeved on the outer side of the socket housing, and an internal thread matching the external thread on one side of the plug housing is provided on the inner wall of the retaining cap.

[0009] Further, a positioning claw is installed in the through hole of the jack insulator. The positioning claw is close to the side of the head cover insulator. The positioning claw includes a cylindrical body and a circle of claw parts bent inward from the cylindrical body. The positioning claw is sleeved on the reed tube. One end face of the positioning claw is limited by the end face of the head cover insulator, and the claw part of the positioning claw is limited by the step face of the reed tube.

[0010] Further, the adjacent faces between the head wire insulator, the head cover insulator, and the jack insulator are limited by a plurality of uniformly distributed protrusions and grooves in cooperation.

[0011] Further, a circular protruding portion is provided on the outer side of the head cover insulator, and the circular protruding portion is limited by a limiting ring installed in the plug housing.

[0012] Further, a conical guiding groove is provided at the end of the through hole of the jack insulator close to the socket, and a conical guiding portion matching the guiding groove is provided on the pin guard plate.

[0013] Further, an insertion cavity into which one end of the socket housing is inserted and mated is provided between the plug housing and the jack insulator, and a sealing ring is installed at the end of the insertion cavity.

[0014] Further, a square mounting plate is provided in the middle of the outer side of the plug housing, and mounting holes are provided at the four corners of the mounting plate.

[0015] After adopting the above technical solutions, the beneficial effects of the present utility model are as follows: The plug and the socket are connected by means of the threaded fit of the snap cap, which improves the connection stability. The reed switch and the reed pin are installed through the corresponding insulators and axially limited by means of the positioning claws, and are not easily loosened during the plugging and unplugging process, thus increasing their service life. On the connection surface of the reed switch and the reed pin, the conical protrusion structure on the pin guard plate is used to achieve positioning guidance and limit, further improving the anti-vibration and shock resistance ability and ensuring the stability of signal transmission. Description of the Drawings

[0016] Figure 1 It is a schematic structural diagram of the plug.

[0017] Figure 2 It is a schematic structural diagram of the socket.

[0018] In the figure: plug housing 1, head wire insulator 2, head cover insulator 3, jack insulator 4, reed switch 5, cable hole 6, ring limit 7, sealing ring 8, socket housing 9, snap cap 10, socket wire insulator 11, socket cover insulator 12, pin insulator 13, reed pin 14, pin guard plate 15, guiding part 151, positioning claw 16, mounting plate 17. Detailed Description of the Preferred Embodiments

[0019] The following further details the specific embodiments of the present utility model with reference to the drawings:

[0020] A signal transmission electrical connector assembly is composed of two parts: a plug and a socket. Signal cables are respectively connected to the plug and the socket. After the plug and the socket are inserted and fixed in cooperation, the correspondingly connected signal cables are electrically connected for the transmission of electrical signals.

[0021] As Figure 1 shown, the plug mainly consists of three parts: a plug housing 1, a head insulation assembly installed in the plug housing, and a jack assembly installed in the insulation assembly.

[0022] The head insulation assembly is composed of three components: a head wire insulator 2, a head cover insulator 3, and a jack insulator 4. The head wire insulator 2 is located on the side close to the wiring end inside the plug housing 1, the jack insulator 4 is located on the side close to the socket inside the plug housing 1, and the head cover insulator 3 is located between the head wire insulator 2 and the jack insulator 4. The adjacent surfaces between the head wire insulator 2, the head cover insulator 3, and the jack insulator 4 are limited by a plurality of uniformly distributed protrusions and grooves, which can not only improve the installation accuracy, make the three parts form a whole, but also prevent relative movements such as rotation between the mating surfaces.

[0023] The jack assembly includes multiple reed tubes 5. The reed tubes 5 are made of copper and are used for conducting electricity. Through holes corresponding to the reed tubes are provided on the head cover insulator 3 and the jack insulator 4. The head plug wire insulator 2 is provided with through wire holes 6 corresponding to the reed tubes. Signal wires are respectively inserted into the wire holes 6. The reed tubes 5 are fixedly installed in the jack insulator 4. One end of the reed tube 5 passes through the head cover insulator 3 and is inserted into the head plug wire insulator 2. Each signal wire is in contact and corresponding cooperation with the inserted end of the reed tube 5. Through methods such as crimping, a stable electrical connection is formed between the wire and the reed tube 5.

[0024] A circular raised portion is provided on the outer side of the head cover insulator 3. The circular raised portion is limited by a limit ring 7 installed in the plug housing. At the same time, a sealing ring 8 is installed on the inner part of the end of the plug housing 1 far from the wiring end. The sealing ring 8 cooperates with the stepped surface on the outer side of the jack insulator 4. The entire head insulator is fixed in the plug housing 1 through the limit ring 7 and the sealing ring 8.

[0025] As Figure 2 shown, the socket includes a socket housing 9, a retaining cap 10, an insulating component installed in the socket housing, and a pin assembly installed in the insulating component. The socket insulating component is composed of three parts: a socket plug wire insulator 11, a socket cover insulator 12, and a pin insulator 13. The composition and installation method of the socket insulating component are the same as those of the head insulating component, which will not be elaborated here. The socket plug wire insulator 11 is located on the side of the socket housing 9 close to the wiring end. The pin insulator 13 is located on the side of the socket housing 9 close to the plug. The socket cover insulator 12 is located between the socket plug wire insulator 11 and the pin insulator 13.

[0026] The pin assembly includes multiple reed pins 14. The reed pins 14 are fixedly installed in the pin insulator 13. One end of the reed pin 14 passes through the socket cover insulator 12 and is inserted into the socket plug wire insulator 11, and is correspondingly connected and cooperated with the wire in the socket plug wire insulator through crimping to form signal transmission. When the plug and the socket are inserted and connected, the reed pin 14 and the reed tube 5 are correspondingly inserted and cooperated to form an electrical connection and conduct the corresponding wires.

[0027] A pin guard plate 15 is installed on the outer side of the pin insulator and is limited by the stepped surface on the inner side of the socket housing 9. A tapered guide groove is provided at the end of the through hole of the jack insulator 4 close to the socket. The pin guard plate 15 is provided with a tapered guiding portion 151 that cooperates with the guide groove. The tapered cooperation form can achieve guiding during insertion connection and form a limit after insertion, improving the anti-impact ability.

[0028] In this technical solution, when the plug is mated with the socket, the plug is inserted into the socket. The housing of the socket is inserted into a circular cross-sectional space formed between the inner part of the housing of the plug and the jack insulator, and the end face of the socket is sealed with a sealing ring 8. An external thread is provided on one side of the plug housing 1 away from the wiring end. A retaining cap 10 is sleeved on the outside of the socket housing 9. The inner wall of the retaining cap 10 is provided with an internal thread that mates with the external thread on one side of the plug housing. By rotating the retaining cap 10, a stable connection between the plug and the socket is achieved, further improving the impact resistance ability.

[0029] A positioning claw 16 is installed in the through hole of the jack insulator 4. The positioning claw 16 is close to the head cover insulator 3 side. The positioning claw 16 includes a cylindrical body and a circle of claw parts bent inward from the cylindrical body. The positioning claw 16 is sleeved on the reed switch 5. One end face of the positioning claw 16 is limited by the end face of the head cover insulator 3, and the claw part of the positioning claw 15 is limited by the step surface of the reed switch 5. Through the positioning claw 15, axial limitation of the reed switch 5 can be achieved, avoiding loosening during the plugging and unplugging process. The same structure of positioning claw is also provided on the reed pin 14. Through the setting of the positioning claw, the plugging and unplugging life of the connector can be improved. A square mounting plate 17 is provided in the middle of the outside of the plug housing. Mounting holes are provided at the four corners of the mounting plate for the fixed installation of the plug.

Claims

1. An electrical connector assembly for signal transmission, comprising a plug and a socket, the plug being connected to the socket and transmitting signals, characterized in that, The plug includes a plug housing, a head insulation assembly installed in the plug housing, and a jack assembly installed in the insulation assembly. The head insulation assembly includes a head wire insulator, a head cover insulator, and a jack insulator. The head wire insulator is located on the side of the plug housing close to the wiring end, the jack insulator is located on the side of the plug housing close to the socket, and the head cover insulator is located between the head wire insulator and the jack insulator. The jack assembly includes a plurality of reed tubes. Through holes corresponding to the reed tubes are provided on the head cover insulator and the jack insulator, and wire holes corresponding to the reed tubes are provided on the head wire insulator. The reed tubes are fixedly installed in the jack insulator, and one end of the reed tube passes through the head cover insulator and is inserted into the head wire insulator; signal wires are respectively inserted into the wire holes, and the signal wires are in contact and cooperation with the inserted ends of the reed tubes. The socket includes a socket housing, a retaining cap, a socket insulation assembly installed in the socket housing, and a pin assembly installed in the socket insulation assembly. The socket insulation assembly includes a socket wire insulator, a socket cover insulator, a pin insulator, and a pin guard plate. The socket wire insulator is located on the side of the socket housing close to the wiring end, the pin insulator is located on the side of the socket housing close to the plug, the socket cover insulator is located between the socket wire insulator and the pin insulator, and the pin guard plate is installed on the outer side of the pin insulator. The pin assembly includes a plurality of reed pins. Through holes corresponding to the reed pins are provided on the pin guard plate, the socket cover insulator, and the pin insulator, and wire holes corresponding to the reed tubes are provided on the socket wire insulator. The reed pins are fixedly installed in the pin insulator, one end of the reed pin passes through the socket cover insulator and is inserted into the socket wire insulator, and the other end of the reed pin extends outside the pin guard plate; signal wires are respectively inserted into the wire holes, and the signal wires are in contact and cooperation with the inserted ends of the reed pins. The reed pin is inserted and matched with the reed tube.

2. The electrical connector assembly for signal transmission according to claim 1, wherein, External threads are provided on one side of the plug housing away from the wiring end. The retaining cap is sleeved on the outside of the socket housing, and internal threads matching the external threads on one side of the plug housing are provided on the inner wall of the retaining cap.

3. A signal transmission electrical connector assembly according to claim 1, characterized in that, A positioning claw is installed in the through hole of the jack insulator. The positioning claw is close to the head cover insulator side. The positioning claw includes a cylindrical body and a circle of claw parts bent inward from the cylindrical body. The positioning claw is sleeved on the reed tube. One end face of the positioning claw is limited with the end face of the head cover insulator, and the claw part of the positioning claw is limited with the stepped face of the reed tube.

4. A signal transmission electrical connector assembly according to claim 1, characterized in that, The adjacent surfaces between the head wire insulator, the head cover insulator, and the jack insulator are limited by a plurality of evenly distributed protrusions and grooves in cooperation.

5. A signal transmission electrical connector assembly according to claim 4, characterized in that, A circular protruding portion is provided on the outer side of the head cover insulator, and the circular protruding portion is limited with a limiting ring installed in the plug housing.

6. A signal transmission electrical connector assembly according to claim 1, characterized in that, A conical guiding groove is provided at the end of the through hole of the jack insulator close to the socket, and a conical guiding portion matching the guiding groove is provided on the pin guard plate.

7. A signal transmission electrical connector assembly according to claim 1, characterized in that, An insertion cavity into which one end of the socket housing is inserted and matched is provided between the plug housing and the jack insulator, and a sealing ring is installed at the end of the insertion cavity.

8. A signal transmission electrical connector assembly according to claim 1, characterized in that, A square mounting plate is provided in the middle of the outer side of the plug housing, and mounting holes are provided at the four corners of the mounting plate.

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