CN209844088U

CN209844088U - Cable with connectable length

Info

Publication number: CN209844088U
Application number: CN201921147748.9U
Authority: CN
Inventors: 张小菊
Original assignee: Shanghai Guangmao Special Cable Co Ltd
Current assignee: Shanghai Guangmao Special Cable Co Ltd
Priority date: 2019-07-20
Filing date: 2019-07-20
Publication date: 2019-12-24
Anticipated expiration: 2029-07-20

Abstract

The utility model belongs to the technical field of the technique of electrical transmission and specifically relates to a cable that length can connect is related to, including conductor and cladding at the peripheral insulating protective layer of conductor, coupling mechanism has set firmly on the insulating protective layer, coupling mechanism includes grafting ring block and grafting annular, the grafting ring block sets firmly in insulating protective layer one end, the grafting annular is seted up in the insulating protective layer other end, grafting ring block lateral wall is seted up threadedly, and grafting ring block threaded connection is in the grafting annular. The utility model discloses have the effect that can realize wiring fast between the cable through the coupling mechanism of pre-installation.

Description

Cable with connectable length

Technical Field

The utility model belongs to the technical field of the technique of electrical transmission and specifically relates to a cable that length can connect is related to.

Background

A cable is a conductor made of one or more conductors insulated from each other and an outer insulating sheath that carries power or information from one location to another.

The existing cables are not long enough to be used, and usually need to be connected to another cable by connecting the cable, and the length of the cable is increased, and the existing connection mode usually adopts that an insulating protective layer of the cable is cut to take out a conductor, conductors of two cables are connected together, and then the two cables are fixed together by using an insulating adhesive tape to complete the connection. The wiring method needs a plurality of tools to assist in the wiring process, and is complex and time-consuming.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cable that length can connect can realize wiring fast between the cable through the coupling mechanism of pre-installation.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a cable that length can connect, includes conductor and the cladding at the peripheral insulating protective layer of conductor, coupling mechanism has set firmly on the insulating protective layer, coupling mechanism includes grafting ring block and grafting annular, the grafting ring block sets firmly in insulating protective layer one end, the grafting annular is seted up in the insulating protective layer other end, grafting ring block lateral wall is seted up threadedly, and grafting ring block threaded connection is in the grafting annular.

Through adopting above-mentioned technical scheme, grafting ring piece threaded connection realizes the quick wiring of cable in the grafting annular, and coupling mechanism carries out the quick wiring with the cable according to required length through the mode of ending to end with the cable.

The utility model discloses further set up to: the conductor comprises a core body and a stranded wire, the core body is linearly arranged in the insulating protective layer, and the stranded wire is wound in the circumferential direction of the core body in a plurality of ways.

Through adopting above-mentioned technical scheme, the setting that adopts the stranded fine rule can be that the conductor is softer, and the stranded conductor is around establishing and is difficult for breaking away from each other closely in the peripheral connection that makes between the individual strand fine rule of conductor of core each other.

The utility model discloses further set up to: the two ends of the core body are fixedly provided with conducting strips, the diameter of each conducting strip is larger than that of the core body, and the two ends of the stranded wire are abutted to the opposite sides of the two conducting strips.

Through adopting above-mentioned technical scheme, the electric current can switch on when setting up convenient two cables of conducting strip and connecting to prevent that the conductor is not aligned and electric power can't be carried behind the wiring.

The utility model discloses further set up to: one of the conducting strips is provided with a mounting block at a position far away from the core body, and the other conducting strip is provided with a mounting groove matched with the mounting block.

Through adopting above-mentioned technical scheme, grafting between two cables can be assisted to installation piece and mounting groove.

The utility model discloses further set up to: the core body, the stranded wire, the conducting strip and the mounting block are all made of silver-plated copper.

By adopting the technical scheme, the silver-plated copper has excellent electrical conductivity, thermal conductivity, corrosion resistance and high-temperature oxidation resistance, and can conduct electricity more efficiently.

The utility model discloses further set up to: the insulating protective layer includes hard layer and soft layer, hard layer cover is established at the conductor periphery, soft layer cover is established at hard layer periphery, grafting ring block and grafting annular all set up on hard layer.

Through adopting above-mentioned technical scheme, the hard layer provides stable firm installation place for grafting ring piece and grafting annular, is the convenient dismouting between the cable, and the soft layer can receive the extrusion force messenger at the cable and reduce the destroyed probability of inner structure through deformation.

The utility model discloses further set up to: the hard layer is made of polyvinyl chloride.

By adopting the technical scheme, the polyvinyl chloride is a common insulating protective layer material of the wires and cables, and is firm and durable in corrosion resistance.

The utility model discloses further set up to: the soft layer is made of silicon rubber.

Through adopting above-mentioned technical scheme, silicon rubber has fine elasticity and can slow down the pressure that receives and carry out certain protection to cable inside.

The utility model discloses further set up to: an electromagnetic shielding layer is arranged between the hard layer and the soft layer.

By adopting the technical scheme, the electromagnetic shielding layer can shield the electromagnetic field generated in the transmission process.

The utility model discloses further set up to: the electromagnetic shielding layer is a conductive metal mesh.

By adopting the technical scheme, the conductive metal net is grounded when the electromagnetic shielding device is used, so that the electromagnetic field shielding effect is achieved, and the metal net saves materials and saves cost relative to the metal ring.

To sum up, the utility model discloses a beneficial technological effect does:

1. the splicing ring block is in threaded connection with the splicing ring groove to realize the quick wiring of the cable, and the connecting mechanism is used for quickly wiring the cable according to the required length in a tail connection mode;

2. the conductor can be softer due to the arrangement of the multiple strands of thin wires, and the stranded wires are wound on the periphery of the core body, so that the strands of thin wires of the conductor are more tightly connected and are not easy to separate from each other;

3. the conducting strips are arranged to facilitate the conduction of current when two cables are connected, so that the situation that the conductors are not aligned after wiring and the electric power cannot be transmitted is avoided;

4. the hard layer enables the plug-in ring block and the plug-in ring groove to be mounted on the hard layer for convenient disassembly, and the soft layer can reduce the probability of damage of the internal structure through deformation when the cable is subjected to extrusion force;

5. the electromagnetic shielding layer can shield electromagnetic fields generated during transmission.

Drawings

Fig. 1 is a schematic structural view of the joint of the present invention.

Fig. 2 is a schematic structural view of the conductor portion of the junction according to the present invention.

In the figure, 1, a conductor; 101. a core body; 102. stranding; 2. an insulating protective layer; 201. a hard layer; 202. a soft layer; 3. a connecting mechanism; 301. inserting a ring block; 302. inserting ring grooves; 4. a thread; 5. a conductive sheet; 6. mounting blocks; 7. mounting grooves; 8. and an electromagnetic shielding layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a cable that length can connect, including conductor 1 and cladding at 1 outlying insulating protective layer 2 of conductor, coupling mechanism 3 has set firmly on insulating protective layer 2, coupling mechanism 3 is including setting firmly at 2 one end grafting ring pieces 301 of insulating protective layer and setting firmly at 2 other ends grafting ring groove 302 of insulating protective layer, screw thread 4 has been seted up to grafting ring piece 301 lateral wall, grafting ring piece 301 screw thread 4 connects in grafting ring groove 302, grafting ring piece 301 screw thread 4 connects the quick wiring of realizing the cable in grafting ring groove 302, coupling mechanism 3 carries out quick wiring with the cable according to required length through the mode that the tail is received to the cable, the cable also can be in one end grafting plug or equipment, realize that the cable is used for the function on the equipment.

Referring to fig. 2, the conductor 1 comprises a core 101 linearly arranged in the insulating protective layer 2 and a plurality of stranded wires 102 wound around the core 101, the conductor 1 can be more flexible due to the arrangement of a plurality of strands of thin wires, and the stranded wires 102 are wound around the periphery of the core 101, so that the strands of thin wires of the conductor 1 are more closely connected and are not easy to separate from each other; conducting strips 5 are fixedly arranged at two ends of the core body 101, the diameter of each conducting strip 5 is larger than that of the core body 101, two ends of the stranded wire 102 are abutted to the opposite sides of the two conducting strips 5, and current can be conducted when the two conducting strips 5 are arranged to facilitate connection between two cables so as to prevent the conductor 1 from being misaligned after wiring and electric power cannot be transmitted.

Referring to fig. 1 and 2, an installation block 6 is fixedly arranged on one of the conductive sheets 5 away from the core body 101, an installation groove 7 adapted to the installation block 6 is arranged on the other conductive sheet 5, and the installation block 6 and the installation groove 7 can assist in the insertion between two cables; the core body 101, the stranded wire 102, the conducting strip 5 and the mounting block 6 are all made of silver-plated copper materials, the silver-plated copper has excellent electrical conductivity, thermal conductivity, corrosion resistance and high-temperature oxidation resistance, and the silver-plated copper wires are widely applied to the fields of electronics, communication, aerospace, military industry and the like so as to reduce contact resistance of metal surfaces and improve welding performance.

Referring to fig. 1, the insulating protective layer 2 includes a hard layer 201 sleeved on the periphery of the conductor 1 and a soft layer 202 sleeved on the periphery of the hard layer 201, the plugging ring block 301 and the plugging ring groove 302 are both arranged on the hard layer 201, the hard layer 201 provides stable and firm installation places for the plugging ring block 301 and the plugging ring groove 302, so that the cables are convenient to disassemble and assemble, and the soft layer 202 can reduce the probability of damage of the internal structure through deformation when the cables are subjected to extrusion force; the hard layer 201 is made of polyvinyl chloride, the polyvinyl chloride has good corrosion resistance and is firm and durable, different effects are achieved by different production modes and different adding materials, the polyvinyl chloride is a common material for the insulating protective layer 2 of the electric wire and the cable, and semi-hard polyvinyl chloride (namely SR-PVC) is preferably selected; the soft layer 202 is made of silicon rubber, and the novel preferred high-temperature vulcanized silicon rubber is used, wherein the high-temperature vulcanized silicon rubber means that the process of changing polysiloxane into elastomer is vulcanized and molded at high temperature (110-170 ℃). The high-elasticity cable is prepared by mainly taking high-molecular-weight polymethylvinylsiloxane as raw rubber, mixing reinforcing filler, vulcanizing agent and the like, and vulcanizing under heating and pressurizing conditions to form an elastomer, and the elastomer has good elasticity and can relieve the pressure applied to protect the interior of the cable to a certain extent.

Referring to fig. 1, an electromagnetic shielding layer 8 is disposed between the hard layer 201 and the soft layer 202, since electricity generates an electromagnetic field during transportation, the electromagnetic field may affect the performance of the device and the health of a person to a greater or lesser extent, and the electromagnetic shielding layer 8 can shield the electromagnetic field generated during transmission; the electromagnetic shielding layer 8 is a conductive metal mesh, and the conductive metal mesh is grounded when the electromagnetic shielding layer is used, so that the electromagnetic field shielding effect is achieved, and the material and cost are saved compared with those of a metal ring.

The implementation principle of the embodiment is as follows: one side of a splicing ring block 301 is installed on one section of cable, the splicing ring block is connected to another section of cable in a mode of splicing and simultaneously rotating to enable the splicing ring block to be connected with the other section of cable in a threaded 4 connection mode, the cables can be connected in a head-to-tail mode through multiple sections of cables according to actual requirements, and plugs and equipment can be spliced on the connected cables.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A cable that length can connect, includes conductor (1) and cladding insulating protective layer (2) in conductor (1) periphery, its characterized in that: connection mechanism (3) have set firmly on insulating layer (2), connection mechanism (3) are including grafting ring piece (301) and grafting annular (302), grafting ring piece (301) set firmly in insulating layer (2) one end, the grafting annular (302) is seted up in insulating layer (2) other end, grafting ring piece (301) lateral wall set up screw thread (4), and grafting ring piece (301) screw thread (4) are connected in grafting annular (302).

2. A length connectable cable according to claim 1, wherein: the conductor (1) comprises a core body (101) and stranded wires (102), wherein the core body (101) is linearly arranged in the insulating protective layer (2), and the stranded wires (102) are wound in the circumferential direction of the core body (101).

3. A length connectable cable according to claim 2, wherein: the two ends of the core body (101) are fixedly provided with conducting strips (5), the diameter of each conducting strip (5) is larger than that of the core body (101), and the two ends of the stranded wire (102) are abutted to the opposite sides of the two conducting strips (5).

4. A length connectable cable according to claim 3, wherein: one of the conducting strips (5) is far away from the core body (101) and is fixedly provided with an installation block (6), and the other conducting strip (5) is provided with an installation groove (7) matched with the installation block (6).

5. A length of connectabie cable as claimed in claim 4, wherein: the core body (101), the stranded wire (102), the conducting strip (5) and the mounting block (6) are all made of silver-plated copper materials.

6. A length connectable cable according to claim 1, wherein: insulating protective layer (2) include hard layer (201) and soft layer (202), hard layer (201) cover is established in conductor (1) periphery, soft layer (202) cover is established in hard layer (201) periphery, grafting ring block (301) and grafting annular (302) all set up on hard layer (201).

7. A length of connectorized cable according to claim 6, characterized in that: the hard layer (201) is made of polyvinyl chloride.

8. A length of connectorized cable according to claim 6, characterized in that: the soft layer (202) is made of silicon rubber.

9. A length of connectorized cable according to claim 6, characterized in that: an electromagnetic shielding layer (8) is arranged between the hard layer (201) and the soft layer (202).

10. A length connectable cable according to claim 9, wherein: the electromagnetic shielding layer (8) is a conductive metal mesh.