4063results about "Relieving strain on wire connection" patented technology

The invention discloses a radio frequency coaxial connector convenient to plug and unplug, and relates to the technical field of coaxial connectors, the radio frequency coaxial connector convenient to plug and unplug comprises a female head and a male head, the radio frequency coaxial connector convenient to plug and unplug further comprises a jack, the jack is formed in the inner wall of the female head, a contact pin is fixedly installed on the inner wall of the male head, and the shape of the contact pin is matched with that of the jack; the binding post is used for fixing a cable, the fixing device is fixedly installed on the side, away from the contact pin, of the male head and used for combining the male head and the female head, the fixing key is arranged on the outer wall of the female head, the clamping rod pushes the fixing key to be clamped into the limiting groove, rigid mechanical locking is formed, connector loosening caused by vibration and pulling is avoided, and after the clamping rod is reset, the fixing key is clamped into the limiting groove. And the sliding buckle rebounds under the action of the third spring to limit vertical movement of the clamping rod, so that clamping failure is prevented, and long-term stable connection is ensured.

The present invention relates to the technical field of electrical connectors, and in particular to an anti-loosening electrical connector for electromechanical equipment, comprising a coaxially plugged core barrel and a piercing barrel, wherein a plurality of cables are clamped on the core barrel, and the ends of the plurality of cables extend along the radial direction of the core barrel and are evenly distributed around the circumference of the core barrel, and the piercing barrel is provided with a plurality of piercing pieces, one end of the piercing piece is provided with a clamping groove, and the interior of the clamping groove is provided with a cutting section, a pressing section and a conductive section in sequence from bottom to top, the cutting section is used for cutting the insulating sheath of the cable, the pressing section is used for clamping the insulating sheath of the cable, and the conductive section is used for conductive connection with the wire core of the cable, and a clamping ring is rotatably provided on the piercing piece, and the clamping ring is U-shaped; in the initial state, the center line of the clamping ring coincides with the center line of the clamping groove, and the clamping ring can be clamped with the insulating sheath of the cable; the clamping ring can be rotated 90°, so that the insulating sheath is in closer contact with the wire core.

The invention relates to the technical field of cables, and provides an easy-to-connect flexible flat cable, which comprises cable units, each cable unit comprises a conductor, an insulating layer, an armor layer and a sheath, and further comprises a connector, the connector is used for connecting two sections of cable units, and the connector comprises a socket, a plug, a connecting seat, a connector and a locking assembly, the socket is arranged at one end of the cable unit, the plug is arranged at the other end of the cable unit, the plug is matched with the socket in an inserted mode, the connecting seat is arranged in the plug and electrically connected with the conductor, the connector is arranged in the socket and electrically connected with the conductor, and the connector is matched with the connecting seat in an inserted mode. The locking assembly is used for locking the plug and the socket. According to the technical scheme, the problems of fixed length and poor adaptability of the flat cable in the prior art are solved.

The invention discloses a power cable convenient for cable butt joint connection, and relates to the technical field of power cables, the power cable comprises two conductors, the outer sides of the conductors are sleeved with neck bushes, and the outer sides of the neck bushes are provided with supporting and traction butt joint mechanisms; the supporting and traction butt joint mechanism comprises a corrugated pipe, a lantern ring, a semi-arc sleeve, a connecting block, an elastic rope, a clamping block, an embedding groove, a clamping groove, an arc-shaped cover, flame-retardant cotton, a heat conduction rubber strip, an iron gauze and a limiting groove, and the corrugated pipe is connected to the outer side of the neck bush in a sleeving mode. Through cooperation of the clamping grooves and the clamping blocks, the semi-arc sleeves are conveniently limited on the outer sides of the lantern rings through the connecting blocks, the splicing convenience is improved, and when two cables need to be in butt joint, the semi-arc sleeves are pulled to move, so that the semi-arc sleeves on the two cables are mutually clamped on the outer sides of the lantern rings of the two cables, and the elastic ropes on the two conductors are forced to be mutually staggered and pulled.

The invention relates to the technical field of electric connectors, in particular to an electric connector wiring terminal, which comprises a male wiring terminal and a female wiring terminal, and is characterized in that the male wiring terminal comprises a first shell, a plurality of cables are arranged in the first shell, and each cable is composed of an insulating sheath and a cable core; the female wiring terminal comprises a second shell, the second shell and the first shell are coaxially inserted and matched, a plurality of peeling assemblies are arranged in the second shell, the peeling assemblies are in one-to-one correspondence with the end parts of the cable, each peeling assembly comprises a first cutting assembly and a second cutting assembly, the first cutting assembly comprises a first cutting knife and a first conducting strip, and the second cutting assembly comprises a second cutting knife and a second conducting strip. The second cutting assembly comprises a second cutting knife and a second conducting strip; the second shell is provided with a driving assembly, the driving assembly can enable the first cutting knife and the second cutting knife to rotate in the direction away from the axis of the second shell, so that an insulating sheath at the end of the cable is stripped off from the cable core, meanwhile, the first conducting strip and the second conducting strip make contact with the cable core, and the conducting stability is improved.

The invention discloses a stable pressure sensor joint connector, and relates to the field of automobiles, the stable pressure sensor joint connector comprises a pressure sensor body, a reserved interface end and a reserved connecting cable, the reserved interface end is installed on the outer side of the pressure sensor body, and the reserved connecting cable is inserted into the inner side of the reserved interface end; and the outer side of the reserved interface end is fixedly connected with an elastic external extension end. According to the stable pressure sensor joint connector, a user only needs to rotate the nested threaded piece to enable the nested threaded piece to rotate towards the external threads along the outer side of the external extension end, so that the external extension end extending outwards from the outer side threaded end is stably pressed inwards, and the external extension end gradually approaches inwards in a self-adaptive manner; the external self-locking positioning requirement of the reserved connecting cable with different external plugging shapes is met, the butt joint part realizes a self-locking working state in the working process, the undesirable phenomena of falling and loosening in the long-term vibration process of the interior of an automobile are avoided, and the overall sensing quality and sensing precision are ensured.

The invention relates to the technical field of cable connection, in particular to a cable connecting mechanism and a cable structure.The cable connecting mechanism comprises a connecting insulating pipe, cable bodies are inserted into the two ends of the connecting insulating pipe respectively, a plurality of cable cores are arranged in the cable bodies, a plurality of metal sleeves are fixedly arranged in the connecting insulating pipe, and the cable cores are matched with the metal sleeves in an inserted mode; a plurality of pressing assemblies are arranged on the connecting insulating tube, semicircular blocks are arranged on the pressing assemblies, two insulating blocks are fixedly arranged on the semicircular blocks in a symmetrical structure, the insulating blocks sequentially penetrate through the metal sleeve and the connecting insulating tube to extend to the outside, two protection assemblies are fixedly arranged on the outer wall of the connecting insulating tube in a symmetrical structure, and protection blocks are arranged on the protection assemblies. The outer peripheral walls of the two ends of the connecting insulating tube are sleeved with clamping assemblies. The cable connection process is simplified, the connection efficiency is improved, the connection stability and reliability are improved, the sealing performance and safety of cable connection are ensured, the stability and anti-falling performance of cable connection are improved, and the cable body is prevented from falling off or loosening accidentally.

The invention discloses a power cable and a cable connecting device thereof, and relates to the technical field of cables, the power cable comprises a main body assembly, the main body assembly comprises a connecting frame, an upper inlet is formed in the top end in the connecting frame, a lower inlet is formed in the bottom end in the connecting frame, the power cable further comprises an upper connecting assembly and a lower connecting assembly, and the lower connecting assembly is arranged below the main body assembly. Through mutual cooperation of a second elastic piece, a first air bag and a second air bag, when the cable is affected by the outside and shakes to cause looseness of the cable joint, the second air bag is not attached to the cable, so that the elastic potential energy of the second elastic piece is released to extrude the first air bag, and the second air bag expands to be tightly attached to the cable all the time; the tightness of cable connection is improved, and the sealing performance of the cable is ensured, so that the cable can normally transmit.

The utility model discloses a radio frequency power amplifier module mounting device based on elastic limit, which comprises a radio frequency module circuit board, the lower end of the radio frequency module circuit board is provided with a supporting bottom plate, the side surface of the supporting bottom plate is provided with a connecting female port, the inner wall of a groove of the connecting female port is provided with a wire harness interface, and the surface of the wire harness interface is provided with a groove. The radio frequency power amplifier module mounting device based on elastic limiting is provided with a positioning clamping block and a supporting air bag, so that when the device works, a wiring harness interface is inserted into a connecting female port, the positioning clamping block is clamped into an opening of the connecting female port for locking, and the stability is improved; during unlocking, a piston column and a limiting sliding block are pushed to conveniently drive a positioning clamping block to loosen the connecting female opening, unlocking convenience is improved, the positioning clamping block pushes the piston column when the connecting female opening and the wire harness connector are installed, air enters a supporting air bag, the supporting air bag can conveniently support and seal the wire harness connector, and therefore sealing performance and stability are improved.

The invention relates to a connector (10) for connecting a data transmission cable (11) with a connector unit (15) and a cable receiving unit (70), wherein the connector unit (15) has a longitudinal axis (L1), a connector housing (20), and a contact unit (40) with contact elements (41) for contacting a mating connector and wire connection elements (42) for connecting a wire (12), wherein the cable receiving unit (70) has longitudinal axes (L2, L3) that are at an angle to each other, wherein the cable receiving unit (70) comprises a wire receiving block (80), a cable receiving housing (100), and a connecting element (130), wherein the longitudinal axis (L1) of the connector unit (15) is arranged collinearly with the longitudinal axis (L2) of the cable receiving unit (70), and wherein the cable receiving unit (70) is arranged in a plurality of orientations (P1, P2, P3, P4) about the longitudinal axis (L2) can be detachably connected to the connector unit (15).For a simple and intuitive connection of the data transmission cable (11) by providing a cable receiving unit (70) for flexible use in critical and small installation spaces, it is proposed to provide a connecting element (130) with a plurality of spaced locking bodies (132, 142), wherein locking elements (133a, 133b, 143a, 143b) are arranged on each locking body (132, 142) which have a distance and an angle other than 0° to each other.

The invention provides a rapid cable wiring device for electric power overhaul, and belongs to the technical field of electric power communication engineering and related equipment thereof. Comprising a workbench, a supporting frame is fixedly connected to the top of the workbench, a wire connector is fixedly connected to the center of the top of the workbench, two inclined hole plates are fixedly connected to the two sides of the inner wall of the top end of the supporting frame respectively, and the rapid wiring mechanism comprises electric telescopic rods fixedly connected to the two sides of the outer wall of the top end of the supporting frame; one end of a wire is placed in the bottom end of a wire clamping frame, an electric telescopic rod is started, the electric telescopic rod drives a fixing plate to move, the fixing plate drives the wire clamping frame to move, the wire clamping frame slides along the inner wall of an inclined groove due to the arrangement of the inclined groove of an inclined hole plate, and the multiple wire clamping frames are separated at equal intervals on the inner wall of the fixing plate; and the wire clamping frame drives the electric wires to move at equal intervals, so that the plurality of electric wires are accurately connected to the inner wall of the wire connector.

According to the vehicle window glass assembly and the vehicle, on one hand, the protection piece wraps the connecting part of the electric connecting piece and the wire harness, and the defects of looseness, virtual connection, disengagement and the like of the connecting part of the electric connecting piece and the wire harness can be effectively prevented; on the other hand, after the electric connecting piece is led out from the functional glass, the protection piece is fixed on the functional glass as the protection piece is fixedly arranged on the supporting piece, the supporting piece and the covered edge are of an integrated structure, and the covered edge is integrally connected to the edge of the functional glass through injection molding, so that the protection piece is fixed on the functional glass; therefore, the defect that the electric connecting piece is easy to break when being stressed in the process that the wire group is pulled by external force or under the action of self gravity can be prevented; in addition, the protection piece can be bonded without increasing the structural size of the functional glass, namely, the protection piece can be bonded without adopting an adhesive tape, so that the cost is reduced, and the requirement on the structural space size of the functional glass is lower.

The embodiment of the utility model provides a connector, a battery and an electric device. The connector comprises a housing assembly, wherein the housing assembly defines a containing cavity and a first plugging port communicated with the containing cavity; the conductive terminal is arranged in the accommodating cavity and comprises a main body part, and a first conductive contact part and an occlusion part which are connected with the main body part; the first plug-in port is used for inserting a sampling wire into the accommodating cavity, the first conductive contact part is used for abutting against and conducting connection with the sampling wire, and the occlusion part is used for occluding and fixing the sampling wire. According to the invention, the probability of relative movement between the sampling wire and the conductive terminal under the vibration environment or external force interference can be reduced, the first conductive contact part can be electrically connected with the sampling wire, the probability of open circuit between the conductive terminal and the sampling wire is reduced, and the stability of data transmission is improved.

The invention relates to the technical field of charging piles, in particular to a universal floating docking device for a charging head of a new energy automobile charging pile, which comprises a mounting seat, a sliding plate is slidably mounted on the surface of the mounting seat, reset springs are arranged at two ends of the sliding plate, and a movable plate is arranged on one side of the sliding plate; a hollow shaft is movably connected to an inner cavity of the guide cylinder in a penetrating mode. A charging head is arranged on the outer side of the hollow seat. A threaded cylinder is fixed to one side of the surface of the hollow ball, and the charging head is fixedly connected with the hollow ball in a threaded mode. The beneficial effects are that the inner cavity of the hollow seat is movably provided with the hollow ball, the outer side of the middle part of the hollow ball is movably sleeved with the annular cover, the annular cover is fixed with the inner wall of the hollow seat, and the elastic telescopic rod is arranged between the sleeve plate and the inner wall of the hollow seat, so that when the charging wire falls under the action of gravity, the charging head can rotate and move along with the charging wire; therefore, the charging head is prevented from being broken and damaged due to the fact that the gravity of the charging wire generates bending force on the charging head.

The utility model discloses a waterproof joint used for a cable and an electrical module, the waterproof joint comprises an elastic sealing member, a connecting member and an enclasping member, the elastic sealing member is suitable for deformation and forms a first through hole suitable for sleeving the cable; the connecting piece comprises at least two connecting heads, the connecting heads are suitable for being connected and enclosed to form a second through hole, and the connecting piece is provided with an external thread part and a deformation part; the enclasping piece comprises at least two enclasping heads, the enclasping heads are suitable for being connected to form a third through hole, the third through hole comprises an internal thread part matched with the external thread part and a contraction part matched with the deformation part, and the inner diameter of the contraction part is gradually reduced in the direction away from the internal thread part; the enclasping piece is configured to move in the extending direction of the cable when the internal thread part rotates in the threaded connection direction of the internal thread part and the external thread part, so that the contraction part extrudes the deformation parts, and the elastic sealing piece is clamped by the deformation parts. The electrical module adopts the waterproof joint. The waterproof joint is suitable for cables of various specifications.

The invention relates to the technical field of connectors, and provides an insulating puncture type circular connector structure, which comprises a connecting nut, a jack insulator, a shell, a locking nut, a plurality of jack contact elements, a clamping structure and a cable sealing ring, and is characterized in that the jack insulator is nested in the connecting nut, the jack insulator, the shell and the locking nut are connected in sequence, and the cable sealing ring is arranged in the shell; the clamping structure is arranged in a containing space formed by the shell and the locking nut and used for clamping a wire and a cable, the jack contact piece comprises a terminal connecting part, a bending part and a wire puncturing part which are integrally formed, and the terminal connecting part is of a jack structure. The wiring efficiency and the wiring reliability of the electrical equipment can be improved.

The invention discloses a transformer with a leading-out mechanism, and relates to the technical field of transformers. The transformer comprises a transformer body, a plurality of high-voltage wire outlet ends are fixed to one side of the top of the transformer body, a plurality of low-voltage wire outlet ends are fixed to the other side of the top of the transformer body, a protective shell is fixed to the top of the transformer body, and a plurality of vertical plates are fixed to the top of the transformer body; and an opening for accommodating the vertical plate is formed in one side of the protective shell. Through the arrangement of the anti-dragging device, the screw rod, the arc clamping plate and the limiting rod are matched to drive the arc clamping plate to clamp and fix the guide wire, so that the guide wire can be firmly fixed at a specified position, and the situation that the guide wire is loosened or falls off due to external force (such as collision or dragging of a worker during operation) is reduced; therefore, the stability of electrical connection can be ensured, and the problem of electrical failure or poor contact is avoided.

Disclosed herein are system, apparatus, article of manufacture, and / or method embodiments, and / or combinations and sub-combinations thereof, of an expandable overmold for a device connector such as an HDMI or USB-C connector. An example embodiment of the overmold includes an expandable connector body, an expansion mechanism for expanding the connector body, and a tensioning mechanism for applying tension to one or more surrounding device connectors connected to other ports of the computing device.

An electronic connector includes a rigid central region and at least one branch that extends away from the rigid central region. A flexible part is disposed at one end of the at least one branch and adjacent to the rigid central region. A conductor terminal is located at an opposing end of the at least one branch. A rigid part is disposed between the flexible part and the conductor terminal. At least one flexible element is disposed adjacent to one surface of the flexible part. The flexible part of the at least one branch and the at least one flexible element combine to permit the at least one branch to be both (i) sufficiently flexible to permit the at least one branch to be bent, and (ii) sufficiently rigid to permit the at least one branch to subsequently return to its original shape.

The utility model discloses an electronic component connector, which comprises a first connector and a second connector, the bottom of the first connector is fixedly connected with a female joint, the outer side of the female joint is fixedly connected with a mistake-proofing rib, the top of the first connector is in threaded connection with a top cover, the top of the top cover is provided with a positioning assembly, and the positioning assembly is fixedly connected with the female joint. The female joint arranged at one end of the first connector is connected with the male joint arranged in the second connector in a clamping manner, the mistake-proof rib arranged on the outer side of the female joint and the mistake-proof groove formed in the inner wall of the second connector can play a role in preventing mistake insertion, and meanwhile, the connection strength between the first connector and the second connector can be improved; after the first connector and the second connector are installed, the threaded sleeve arranged on the outer side of the first connector is rotated, so that the threaded sleeve is in threaded connection with the threaded groove in the outer side of the second connector, the electronic element connector can be in a fixed state, and the phenomenon of poor contact caused by pulling or mistaken touch can be avoided.

The invention discloses an anti-vibration disconnection wiring harness assembly, and belongs to the technical field of wiring harness assemblys.The anti-vibration disconnection wiring harness assembly comprises a male seat and a female seat which are connected with a wiring harness, and the male seat and the female seat are connected in a pluggable mode; a connecting sleeve is fixedly arranged at the left end of the female seat, a sliding adjusting seat is slidably mounted on the outer side of the female seat, a first spring is fixedly connected between the sliding adjusting seat and the female seat, elastic positioning pieces are evenly arranged on the outer side of the end of the female seat, and limiting adjusting rings are arranged on the outer sides of the elastic positioning pieces in a sleeving mode. And a groove body structure is formed in the inner side of the sliding adjusting seat, movable push blocks are evenly installed on the inner side of the sliding adjusting seat in a penetrating and telescopic mode, a buffering assembly used for achieving shock prevention is fixedly installed below the sliding adjusting seat, and an adsorption assembly is arranged on the inner side of the connecting sleeve. According to the wire harness assembly capable of preventing vibration disconnection, convenient and stable wiring can be carried out, anti-vibration treatment can be carried out in the vehicle running process, and secondary wiring locking can be achieved through vibration force driving.

The invention relates to a cable branch box with an uninterruptible access interface, and relates to the technical field of cable branch boxes, the cable branch box comprises a box body and a box door installed on the box body, an interface seat is fixedly arranged on the rear wall of the box body, and an observation window close to the interface seat is detachably installed on the box door; a limiting block located above the interface base is arranged on the rear wall of the box body in a sliding mode, and a limiting notch is formed in the bottom face of the limiting block; vertically-downward connecting rods are fixedly arranged on the two opposite vertical faces of the limiting block, and an adjusting piece for driving the connecting rods to move downwards and a reset piece for driving the connecting rods to move upwards to reset are arranged on the inner wall of the box body. The upper part of the interface seat is clamped into the limiting notch when the connecting rod moves downwards, and is separated from the limiting notch when the connecting rod moves upwards; according to the invention, the installation stability of the interface seat is improved, the plugging stability of an external cable plug is ensured, a power supply fault caused by poor contact is avoided, and the reliability of power transmission is ensured.

The invention belongs to the technical field of cable installation, and particularly relates to an assembly type wire and cable installation device for a box-type substation, which comprises an electrical element body, an installation frame and a clamping structure, the installation frame is fixedly installed in the box-type substation, and the electrical element body is fixedly installed on the surface of the installation frame. The mounting frame is used for bearing a positioning mechanism, an electrical element body and a sliding rail, the sliding rail is arranged on the surface of the mounting frame, a fixing structure is arranged on the surface of the sliding rail, the positioning mechanism comprises a support, the support is in sliding connection with the surface of the sliding rail through the fixing structure, and the support is mounted on the surface of the sliding rail through the positioning mechanism. According to the utility model, the wire is fixed through the main roller and the auxiliary roller, so that the loosening of the wire caused by vibration is avoided, the possible virtual connection, heating and even fire are avoided, and meanwhile, a worker can be assisted in installation through positioning, so that the working intensity of the worker is greatly reduced, and the installation efficiency is improved.

The invention relates to the field of cables, in particular to a safety cable connector with an anti-drop function, which comprises a female head, a connecting sleeve and a male head, the surface of the female head is connected with a connecting sleeve; the connecting sleeve is slidably connected with a male head, and the surface of the male head is fixedly connected with a plurality of guide strips; grooves corresponding to the guide strips are formed in the inner sides of the connecting sleeves, and magnetic attraction pieces capable of being matched with each other are arranged at the deepest positions of the grooves and the ends of the guide strips. A heat conducting ring and the like are also included; the contact column of the female head is fixedly connected with a heat conduction ring. When the contact column and the connecting ring are overloaded and generate heat abnormally, continuous heat is transmitted to the expansion ring through the heat conducting ring, the expansion ring is gradually extended rightwards after being heated, the expansion ring extrudes and pushes the round rod rightwards, then the round rod pushes the connecting disc and the connecting ring rightwards, the connecting disc slides along the inner side of the male head, and the male head is connected with the male head. And the circuit is cut off, so that continuous temperature rise is prevented, and a spontaneous combustion event is avoided.

Provided is a fast plug-in energy storage connector, including a plug assembly and a socket assembly, where the socket assembly includes a housing body and a male terminal; the plug assembly includes a plug body, a tail lid, a button structure, a two-way buckle and a conductive terminal, and the two-way buckle includes a first buckle arm, a second buckle arm and a connecting member that are clamped with the housing body in respective; the button structure includes a button brake block, a link, a reset spring and locking members; and lower ends of the locking members are provided with lean-against portions that are in contact with and leaning against the first buckle arm and the second buckle arm in respective. The fast plug-in energy storage connector is convenient for users to operate and has a long service life.

The invention relates to an aluminum alloy cable connector, and belongs to the technical field of cable installation. The aluminum alloy cable connector comprises a crimping pipe, two insulating threaded pipes and two threaded sleeves, the two insulating threaded pipes are fixedly connected to the two ends of the crimping pipe respectively, and the two threaded sleeves are in threaded connection to the opposite ends of the two insulating threaded pipes respectively; the sealing device is arranged on the surface of the crimping pipe in a sleeving manner; a user only needs to rotate the threaded sleeve to perform internal and external sealing operation at the same time, and in the process, the first internal sealing mechanism not only can perform double sealing on a gap between the aluminum alloy cable and the insulating threaded pipe, but also can firmly bond the aluminum alloy cable and the insulating threaded pipe together, so that the sealing effect is good. Therefore, the aluminum alloy cable protection layer and the insulation threaded pipe are connected more tightly, and the overall connection strength of the connector is improved.

The utility model discloses a cable joint convenient for connection, comprising a first connector and a second connector, one end of the first connector and one end of the second connector are both fixedly connected with a sleeve shell, one end of the second connector is provided with a groove, the first connector is inserted in the groove, and the second connector is inserted in the groove. Two clamping blocks are integrally formed at one end of the second connector, two clamping openings are formed in one end of the first connector, the clamping blocks are connected with the clamping openings in an inserted mode, a plug is fixedly connected into the first connector, an insertion pipe is fixedly connected into the second connector, and the plug is inserted into the insertion pipe. Threaded grooves are formed in the outer side of the second connector and the outer side of the first connector. According to the utility model, a worker can conveniently connect the cable, and the cable in the sleeve shell can be stably clamped and positioned through the cooperative use of the first clamping plate and the second clamping plate.

The invention provides an anti-extrusion cable and a cable connection structure, and relates to the technical field of cables.The anti-extrusion cable comprises a cable body, the cable body comprises a middle sheath, a shielding layer, a plurality of guide cores, a filling layer and an inner insulating sheath, the guide cores are evenly arranged on the inner side of the middle sheath, and the shielding layer is arranged on the inner side of the middle sheath; the guide cores, the inner insulating sheaths and the shielding layers are arranged in a one-to-one correspondence manner, the inner insulating sheaths tightly wrap the outer sides of the guide cores, the shielding layers tightly wrap the outer sides of the inner insulating sheaths, and the filling layers are filled in gaps between the shielding layers and the middle sheath; a middle sheath of a cable main body is made of chloroprene rubber materials and provides stable support for an internal structure, a spiral spring steel wire fixedly sleeved on the outer side of the middle sheath can effectively disperse external extrusion acting force and improve the overall anti-extrusion performance of the cable, and a silicone rubber layer coated on the outer side of the steel wire is tightly attached to the steel wire and extends to the outer wall of the middle sheath to be in hot melting connection, so that the service life of the cable is prolonged. And extrusion impact can be buffered in an auxiliary manner.