79 results about "Registered jack" patented technology

The invention relates to the technical field of network cable sealing, in particular to a network cable sealing method, which comprises the following steps: S1, pre-sleeving a first heat shrink tube on a network cable; s2, stripping the outer sheath to expose the shielding layer and the core wire harness; s3, stripping the insulating layer of each core wire, wherein the conductor exposed section of each core wire is distributed in a step shape; s4, sleeving a second heat shrink tube on the core wire harness, and injecting a sealant; s5, performing thermal shrinkage on the second thermal shrinkage tube, and arranging the folded shielding layer to enable the shielding layer to wrap the periphery of the first sealing layer; s6, crimping the core wire harness and the crystal head; s7, the first heat shrink tube is pushed to the wrapped shielding layer area, and sealant is injected; and S8, performing thermal shrinkage on the first thermal shrinkage tube to enable the core wire harness in the network cable and the shielding layer to have no relative displacement. The cable has the advantages that the conductor exposed sections of the core wires are distributed in a stepped staggered mode in the axial direction, it is guaranteed that the core wires can make full contact with sealant to achieve the insulation effect when the sealant is injected subsequently, and it is also guaranteed that the core wires make contact with one another, and short circuit is avoided.

The application discloses a signal connector capable of shielding ground, which comprises a socket shell, a plug shell matched with the socket shell, two crystal heads and a first shielding shell. One end of the socket shell is provided with two first through holes penetrating to the other end of the socket shell, and the two crystal heads are respectively arranged in the first through holes. One end of each crystal head is connected with a cable, and one end of the cable is arranged to pass through the plug shell. The two crystal heads are integrated, which can be applied to the connection equipment with double network ports, is convenient to use and saves the installation cost. Meanwhile, the first shielding shell and the second shielding shell are arranged to shield the ground signal, avoid the connection signal interference and ensure the signal transmission quality. In addition, the first sealing ring and the second sealing ring are arranged to improve the waterproof and dustproof performance, and the elastic pressing sheet is arranged on the second shielding shell, which can facilitate the dismounting and replacement of the crystal head and is convenient and practical.

1. The name of the design product: network cable crystal head protection cover. 2. The use of the design product: for protecting network cable crystal head. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

The application discloses a high-end communication connecting line and belongs to the technical field of communication connecting lines. The high-end communication connecting line comprises an integrated data line bundle and a crystal head. Data single wires are formed at both ends of the integrated data line bundle through peeling. A plurality of line slot positions are arranged on the crystal head, and the integrated data line bundle and the crystal head are connected through a connecting structure arranged in the middle and form a solidification structure. The connecting structure comprises a first sheath and a second sheath. One end of the first sheath is a threading solid seat body, three full-circle through holes and two half-circle through holes are formed in the threading solid seat body, and an end baffle is fixedly arranged at the other end of the first sheath. A middle baffle is fixedly arranged in the middle of the second sheath. The high-end communication connecting line can reduce signal crosstalk, attenuation and the risk of open circuit caused by stress concentration, guarantee the integrity and stability of high-speed data or high-frequency signal transmission, has excellent dustproof and moisture-proof performance, and significantly prolongs the service life of the connecting line in harsh environments.

The utility model discloses network cable crimping pliers for network maintenance and repair. The network cable crimping pliers comprise a cable crimping mechanism and a cable stripping mechanism. The cable pressing mechanism comprises a block body, a network cable connector slot and an empty slot are formed in the block body, two movable blocks are rotationally connected to the block body, one side of each movable block is fixedly connected with a connecting arm, a sliding groove is formed in each connecting arm, and a protruding block is slidably connected to the inner side wall of each sliding groove. According to the network cable crimping pliers for network maintenance and repair, through the arrangement of the cable crimping mechanism and the cable stripping mechanism, the bracket can be driven to move through the connecting arm after the handle is tightened, so that the bracket drives the cable crimping plate to compress a crystal head, and a network cable can be stably connected with the crystal head; after the connection sheets are spliced, the network cable can be stripped through the wire stripping grooves; through the above arrangement, integration of wire stripping and wire pressing is realized, so that the working efficiency during network cable connection is improved.

The utility model discloses an anti-vibration high-speed cable assembly, and relates to the technical field of cable assemblies, the anti-vibration high-speed cable assembly comprises a cable used for transmitting high-speed signals, the tail end of the cable is provided with a crystal head, and a connecting assembly is arranged between the crystal head and the cable. According to the device, the threaded cylinder is screwed, the threaded cylinder drives the extrusion ring to get close to the mounting plate, then the mounting plate extrudes the locking piece, and the locking piece extrudes the cable, so that the cable and the crystal head are fixedly connected together, and the situation that the cable is separated from the crystal head during vibration is avoided.

The utility model discloses a network cable crystal head which comprises a body, a power connection sheet and a pressure applying piece. The upper end of the body is provided with hinge seats which are symmetrically arranged, and the lower end of the body is provided with a plurality of wiring grooves and mounting grooves communicated with the wiring grooves. A blocking body is arranged on the pressing piece, and an elastic piece matched with the pressing piece is arranged on the body. According to the network cable crystal head, through the detachable pressure applying piece, the crystal head can be limited during installation, the pressure applying piece can be taken down without auxiliary descending of a wiring clamp, and wiring operation of the crystal head is achieved. The problem that wiring can be well completed only by using tools can be well solved, the wiring difficulty is reduced, and the wiring efficiency is improved.

The utility model provides a network jumper wire with a color ring identification function. The network jumper wire comprises a wire rod and two crystal heads. The two ends of the wire rod are electrically connected with one crystal head respectively, the rear end of each crystal head is connected with a wire protecting sleeve, and the wire rod is wrapped with the wire protecting sleeves; a C-shaped clamping groove is formed in the outer wall of the rear end of each wire protecting sleeve, and a C-shaped color ring is clamped to the clamping groove in a matched mode. The colors of the two color rings in the same network jumper wire are the same; inverted buckles are integrally formed at the two ends of the color ring, buckling grooves are formed in the two ends of the clamping groove, and each inverted buckle is buckled in the buckling groove in the corresponding position; when the network jumper wire is used, operation and maintenance personnel can quickly find out crystal heads at the two ends of the same network jumper wire according to the color difference of the color rings, so that convenience can be brought to maintenance of the operation and maintenance personnel.

The utility model discloses a network cable joint with stretch unlocking structure, including main network cable, main network cable inserts into fixed connection, the utility model discloses after being connected with main network cable and crystal head integrally in the both ends of link piece, the plug -in groove department of link piece both sides inserts into the plug -in post department of the inside of the connecting portion of the both sides of pressure plate spare, be equipped with the pressure head department on the one side of pressure plate spare, be equipped with recess portion in the pressure head department, and recess portion inserts into one end fixed connection of pull rope, and the pull rope middle part is passed through in the positioning block top of link piece, and the pull rope middle part is passed through again from the recess portion below pressure plate spare, after passing through, the other end of pull rope connects pull head spare, and the pull -up department on the crystal head is on the recess portion, after using pressure plate spare on the whole network cable joint, the situation that the person presses the crystal head with the finger is saved, prevents the slip, and saves time and labour, avoids the situation of pulling apart simultaneously.

The utility model relates to the technical field of interface connecting devices, and discloses a central dispatching ASON network gateway interface connecting device, which comprises a network management body, and fixing plates are fixedly mounted at the front ends of the left side and the right side of the network management body. By arranging the screw rod, the moving block, the half-tooth gears and the rotating plate, as the screw rod is in threaded sleeve connection with the moving block, when the screw rod rotates, the moving block is driven to move backwards along the outer surface of the limiting block; at the moment, the moving block drives the two long rods to rotate in the opposite direction through the two half-tooth gears, then the two long rods drive the two rotating plates to rotate in the opposite direction, due to the design of the check blocks, the rotating plates can only rotate by 90 degrees, and when the two rotating plates rotate by 90 degrees, the two rotating plates are blocked by the check blocks; at the moment, the interiors of the two rotating plates are attached to the surface of the data line of the crystal head and fix the data line, and therefore the crystal head can be prevented from shaking under the influence of external force.

The utility model relates to the technical field of network equipment, in particular to a network cable controller and a control mechanism, which comprise a control part, an execution part and a communication part, and the communication part controls the operation of the control part through the execution part; the driving mechanism comprises a USB connecting line and a USB connector which are connected with the control part, and the USB connector controls the communication part to operate through the USB connecting line; according to the network cable controller, power is supplied to a relay power supply through the USB connector, so that a relay coil is electrified, a relay contact is closed, and whether an external network cable is communicated with a fourth contact piece or not can be controlled by plugging and unplugging the USB connector; the PC end is started up, the USB connector is powered on, so that the whole network physical link is connected, the network is sent after starting up, the on-off of the network can be controlled when the network cable is connected, the network disconnection can be realized without manually pulling out a crystal head, and the service life of the network cable is prolonged.

The invention discloses a self-locking crimping mechanism network connector, and relates to the field of network equipment, the self-locking crimping mechanism network connector comprises a shell and a plurality of rotary cutting assemblies, the shell is internally provided with a cavity, the shell is fixedly provided with a mounting rod in the middle of the cavity, and each rotary cutting assembly comprises a lantern ring; the lifting lever is fixedly connected to the upper half part of the lantern ring, the pricking and pressing tool bit is fixedly connected to the lower half part of the lantern ring, the lantern ring is rotationally connected to the mounting rod, the lifting lever and the pricking and pressing tool bit can rotate with the lantern ring as the circle center, and the pricking and pressing tool bit has electrical conductivity; according to the invention, the rotary cutting assembly is arranged in the crystal head and is used for puncturing the network cable rubber, so that the copper core in the network cable can be electrically connected with the conductive copper seat of the crystal head through the conductive puncturing and pressing tool bit, and the installation operation of the network cable crystal head is completed; in the prior art, the conductive copper sheet is pressed by a network cable clamp tool, so that the conductive copper sheet is stabbed into the network cable rubber sheet and is contacted with the copper core to establish connection, and the convenience of the installation and connection operation is improved.

The invention relates to the technical field of cable protection, and discloses a switch with a wire harness protection structure, and the switch comprises a clamping mechanism which is fixedly disposed on the switch; the pressure applying part is connected with the clamping mechanism, and the pressure applying part can apply pressure to the clamping mechanism, so that the clamping mechanism can be fixed on the outer side of the cable; by effectively reducing the possible bending angle of the cable at the joint, the service life of the cable can be prolonged, and the connection stability can be remarkably improved. In addition, the clamping mechanism can effectively resist potential pulling force of the external environment on the cable, cable loosening or damage caused by external force is prevented, and the reliability of data transmission is further ensured. By adding protection measures at key parts, the phenomena of excessive bending and pulling between the wire harness and the crystal head are effectively reduced, so that the anti-interference capability and durability of the wire harness are remarkably improved, and the stability of data transmission and the reliability of a network are ensured.

The utility model discloses a dual-channel transmission monitoring system, which comprises a server, a second switch, a third switch, a personal computer (PC) and an electric power monitoring substation, and a first switch, a first communication management machine and a second communication management machine are arranged in the electric power monitoring substation. Each of the first communication management machine and the second communication management machine comprises at least three LAN (Local Area Network) ports, a crystal head fixing mechanism is arranged at each LAN port, the first communication management machine and the second communication management machine are in communication connection with the first switch through the LAN ports, the first switch is in communication connection with the server through the second switch, and the server is in communication connection with the server through the second switch. The server is connected with the PC through the third switch, and hardware support is provided for data transmission and monitoring. Meanwhile, crystal head fixing mechanisms are arranged at the LANs of the first communication management machine and the second communication management machine, so that the problem that crystal heads are damaged due to the fact that an operator mistakenly touches a network cable is solved, and the situation of signal interruption is avoided.

The invention discloses an informatization network wiring arrangement device which mainly comprises a switch body, a mounting seat is mounted on one side of the switch body, and a plurality of network ports are formed in the side face, close to the mounting seat, of the switch body. Compared with the prior art, the crystal head fixing device has the advantages that when the crystal head fixing device is used, a crystal head is placed in the mounting groove and clamped with a network port, then the top end of the side cover serves as a supporting point, the top end of the triangular block is lifted upwards, the bottom ends of the two clamping pieces are driven to rotate mutually, the base and the side cover are synchronously transferred into the mounting groove, and the triangular block is released after the base and the side cover are pressed in place downwards; the clamping piece is clamped with the buckle, so that the U-shaped groove is clamped outside the network cable, meanwhile, the base abuts against the end of the crystal head, one end of the supporting plate abuts against the side wall of the mounting groove, then the end of the crystal head is limited and blocked, crystal head loosening caused by external traction is avoided, the overall structure is simple, mounting is convenient, and practicability is high. And the problems in the prior art are effectively solved.

The application belongs to the technical field of network communication equipment, and particularly relates to a router convenient to install and a wire-off-preventing method thereof, which comprises a shell, the bottom surface of the shell is provided with installation grooves arranged in an array, an auxiliary mechanism is arranged at the lower end of the shell, a limiting mechanism is arranged at the back of the shell and used for limiting a cable crystal head, a heat dissipation mechanism is arranged at the upper end of the shell and used for heat dissipation, and a storage groove is arranged on the shell and used for storing cooling liquid, wherein the auxiliary mechanism comprises a cable bundling part arranged in the installation groove and used for accommodating the cable, a cooling part is arranged on the cable bundling part and used for cooling the cable, and a driving part is further arranged on the back of the shell and used for driving the cooling part to work. The application can effectively improve the cable management convenience and heat dissipation efficiency, and enhance the connection stability and environmental adaptability.

1. The name of the design product: crystal head (screw buckle). 2. The use of the design product: crystal head for connecting communication and network. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

1. The name of the design product: anti-vibration industrial shielding crystal head. 2. The use of the design product: network crystal head for connecting network equipment interface. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: combination state diagram.

The utility model discloses a network cable unlocking and locking device, which comprises a lock shell, a sliding block assembly, a lock hole for inserting an unlocking key and a network cable matching hole for inserting a network cable, and is characterized in that the sliding block assembly comprises a locking part which can be propped against or separated from an elastic arm of a network cable crystal head; the network cable matching hole is internally provided with a cavity and a protruding part arranged towards the bottom of the network cable crystal head, the protruding part is arranged in the cavity, the locking part comprises an unlocking position and a locking position, and at the locking position, the locking part abuts against an elastic arm of the network cable crystal head, and a boss of the network cable crystal head is buckled with the protruding part, so that the network cable is limited in the network cable matching hole; and at the unlocking position, the locking part is separated from the elastic arm of the network cable, and the accommodating height of the cavity is increased, so that the network cable can move in the network cable matching hole. According to the technical scheme, the network cable unlocking and locking device is small and simple in structure, locking management can be carried out on the network cable in use, and the unlocking and locking state of the network cable unlocking and locking device is visualized.

The utility model discloses a waterproof connector network cable capable of being supported and processed on the ground, which relates to the technical field of network cables and comprises a wire connector, wiring holes are arranged in the middles of two ends of the wire connector, the interiors of the wiring holes are connected with crystal heads in a clamping manner, waterproof structures are arranged on the outer sides of the crystal heads, and each waterproof structure comprises a waterproof sleeve located on the outer side of the corresponding crystal head. The two ends of the wire connector are provided with sealing grooves, the sealing grooves are located on the outer side of the wiring hole, and the end, close to the wire connector, of the waterproof sleeve is fixedly connected with a sealing ring. The waterproof connector network cable capable of being supported and processed on the ground is provided with a waterproof structure, when a crystal head is installed in a wiring hole, a waterproof sleeve is moved towards a direction close to a wire connector, so that the waterproof sleeve and the end part of the wire connector are attached to each other, and meanwhile, a sealing ring is clamped and connected in a sealing groove to form a sealing structure; therefore, the connection part of the wiring hole and the crystal head is sealed, and the connection part of the wire connector and the crystal head is prevented from being damaged by water.

The utility model relates to a computer communication network branching device, comprising a housing, a main crystal head jack and a first branch crystal head jack, the two ends of the housing are respectively provided with the main crystal head jack and the first branch crystal head jack, and the main crystal head jack and the first branch crystal head jack are internally provided with first contact pins. A first network cable is installed in the shell, the two ends of the first network cable are connected with first contact pins in the main crystal head jack and the first branch crystal head jack respectively, a plurality of branch connection seats are detachably installed on the top side of the shell, and second branch crystal head jacks are formed in the branch connection seats; the main crystal head jack and the first branch crystal head jack are arranged on the shell, one-to-one branching can be conveniently realized, meanwhile, the branching seats are detachably arranged on the shell, the disassembly and assembly are flexible, the branching seats with the corresponding number can be conveniently arranged on the shell according to the number of network cables required to be tapped actually, one-to-many branching can be realized, and the occupied space is small.

A standard for near end crosstalk of a category 6A cable, including a registered jack 45 (RJ45), a clamp connected to the RJ45, a first attenuator and a second attenuator. The RJ45 includes a first signal twisted pair to transmit a first source signal and a second source signal, and a second signal twisted pair to transmit a third source signal and a fourth source signal. The clamp includes a first signal pair connector electrically connected to the first signal twisted pair, a second signal pair connector electrically connected to the second signal twisted pair, a first differential amplification circuit and a second differential amplification circuit. The first attenuator is electrically connected to the first signal pair connector. The second attenuator is electrically connected to the second signal pair connector. The second attenuator and the first attenuator are configured to detect the near end crosstalk.

The utility model relates to the technical field of maritime communication, in particular to a shipborne wireless router, which comprises a routing mechanism and a bearing mechanism, the bearing mechanism comprises a wireless socket, a protective cover, absorbent cotton, two anti-bending assemblies, an antenna assembly and a heat dissipation assembly, and an anti-bending frame in the existing anti-bending assembly extends the plugging distance of a plugging network cable, so that the anti-bending assembly is connected with the antenna assembly and the heat dissipation assembly. The network cable crystal connector and the cable body are kept in a horizontal connection state, the connection position of the crystal connector and the network cable body is prevented from being bent, the service life of the cable is prolonged, the signal receiving capacity is greatly improved in cooperation with the multiple antenna bodies capable of adjusting the receiving angles, and the antenna is simple in design structure, convenient to produce and use and suitable for popularization and application. The problems that a line is easy to bend at a crystal head after being plugged, a network cable is easy to fall off after being plugged for a long time, and data transmission is influenced are solved.

The utility model discloses a cable clamp assembly for network communication, which comprises an installation mechanism and a clamping mechanism assembled on the back of the installation mechanism, the installation mechanism comprises a sleeve rod, and telescopic rods are installed on two sides in the sleeve rod in a sliding mode. According to the cable clamp assembly for network communication, through cooperation between the clamping plate and the threaded rod, a crystal head and an interface can be supported and reinforced when a cable is connected with a network host, and the tightness during supporting and reinforcing can be adjusted; the situation that the crystal head and a network host interface are disconnected and damaged when a gap cable is pulled by external force in the supporting and reinforcing process is avoided, the network host can be sleeved with the telescopic rod and the clamping plate in a clamped mode, and the module can be installed on network modules of different models through stretching and contracting of the telescopic rod. The application range of the assembly is enlarged, and limitation is reduced.

1. Name of the designed product: Crystal head (RJ45 without punch). 2. Use of the designed product: Plug for cable connection. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: Design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The invention belongs to the technical field of electric connection device protection, and discloses a multi-dimensional clamping device for protecting a network line joint, which comprises a butt joint shell, an insertion hole formed in the right side of an inner cavity of the butt joint shell and used for inserting an RJ45 crystal head, and a groove formed in the left end of the butt joint shell and used for being fixedly connected with the butt joint end of an adapter in a sleeving manner, and the clamp is arranged in the inner cavity of the butt joint shell in a manner of being capable of axially moving and circumferentially rotating and is used for carrying out multi-dimensional limiting clamping on the RJ45 crystal head. Through the cooperative design of the butt joint shell, the groove, the clamp and the mobile adjusting mechanism, the connection effect and efficiency of the network line connector are improved, the practicability is high, and the problems that a plastic buckle of an RJ45 crystal head and a clamping groove of an inner cavity of a butt joint port are prone to being in butt joint mistakenly, the plastic buckle cannot be inserted into the clamping groove for clamping, and the service life of the network line connector is prolonged are avoided. The problems that the plastic buckle and the opening edge of the butt joint port are easy to extrude and damage, the misoperation probability of a user is high, the connection effect and efficiency of the network line connector are reduced, and the practicability is poor are solved.

The utility model relates to the technical field of crystal heads, and discloses a waterproof network cable connector, one side of a crystal head main body is connected with a network cable, one side of the crystal head main body is provided with a metal sheet electrically connected with the network cable, and one side of the top of the crystal head main body is integrally molded with an elastic sheet; one side of the crystal head main body is provided with a waterproof sealing assembly; the sealing assembly comprises a fixing ring, a sliding groove is formed in the fixing ring, a sliding plate is slidably connected to the inner side of the sliding groove, a first sealing ring seamlessly penetrating through one side of the fixing ring is fixed to one side of the sliding plate, a sliding column is fixed to the side, away from the first sealing ring, of the sliding plate, and a spring sleeves the outer side of the sliding column. The push fixing ring and the first sealing ring are tightly attached to one side of the network equipment, an effective waterproof barrier is formed, the waterproof performance of the interface of the crystal head body and the network equipment is greatly enhanced, external moisture is effectively prevented from invading, internal electronic elements are protected against damage, and therefore the service life of network connection is prolonged, and the stability of network connection is improved.

The utility model discloses a network analyzer measuring and detecting device which comprises a main detector, a speed control switch, an indicating lamp set, an installation insertion block, a wiring port, an installation threaded hole, an auxiliary detector and a cable anti-disengaging support, the main detector is installed with the auxiliary detector in a butt joint mode through the installation insertion block at the side end of a shell, and the main detector and the auxiliary detector are provided with the wiring port. The network analyzer measuring and detecting device is suitable for cable connector protection design in the middle and long distance cable testing process, the main detector and the auxiliary detector are separately connected with cables in an inserted mode, testing operation is carried out after electric starting, and the testing efficiency is improved. A cable is wound along the left positioning rotating roller, the center positioning rotating roller and the right locking type sliding rotating roller in a triangular surrounding mode, when strong pulling happens, the right locking type sliding rotating roller is stressed to slide towards the left side, the rotating roller station slides, the rotating roller rotates to tighten the cable, crystal heads are prevented from being damaged, and the normal testing process is guaranteed.

The invention provides a network plug free of network connection. The network plug free of network connection comprises a crystal head body and a shielding shell connected to the right end of the crystal head body. The terminal seat, the wire pressing cover and the PCB are arranged in the shielding shell, the PCB is arranged below the terminal seat, a plurality of piercing terminals are installed on the PCB and are inserted into the terminal seat, the wire pressing cover presses a cable on the terminal seat for piercing after the cable penetrates and is positioned, the terminal seat comprises an installation base, two installation blocks are arranged on one side of the installation base, and the installation blocks are arranged on the other side of the installation base. The two mounting blocks are respectively a first mounting block and a second mounting block, a plurality of first wire placing grooves are distributed on the first mounting block at equal intervals, and first mounting through holes for mounting piercing terminals are obliquely formed in the first wire placing grooves. According to the crystal head, the overall layout is compact, the structures of the threaded tail sleeve and the ground wire elastic piece are optimized, a cable can penetrate into the crystal head body without hindrance, meanwhile, the installation angle of the piercing terminal and the terminal base is obliquely arranged, and the contact area of the terminal and the cable is increased through the design of the inclination angle.

The invention discloses a connector for connecting a network cable in gateway equipment, and particularly relates to the technical field of network cable connectors, the connector comprises a socket, the socket is fixed outside the gateway equipment, and the surface of the socket is provided with jacks corresponding to network cable interfaces; a cavity for fixing a network cable crystal head is formed in the connecting plug; the invention discloses a plug-in connector which comprises a plug-in connector, a magnetic attraction pop-up assembly and a pushing assembly, and in the process that the plug-in connector is transversely and straightly inserted into a jack, the pushing assembly and the plug-in connector move synchronously and get close to the magnetic attraction pop-up assembly until the pushing assembly is tightly attracted by a magnetic attraction structure of the magnetic attraction pop-up assembly.The direct insertion type magnetic attraction locking structure is adopted, micro-motion corrosion is effectively avoided, the connection reliability is improved, and the service life of the plug-in connector is prolonged. The connection mode does not need rotation operation, the hand does not touch the adjacent interface during installation, the relative displacement and friction between the golden finger of the network cable crystal head and the contact in the interface caused by external force interference are fundamentally avoided, and the risk of fretting corrosion is obviously reduced.