CN213905004U

CN213905004U - Fireproof cable

Info

Publication number: CN213905004U
Application number: CN202120176044.5U
Authority: CN
Inventors: 王宏兴
Original assignee: Shanghai Xianglong Cable Manufacturing Co ltd
Current assignee: Shanghai Xianglong Cable Manufacturing Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-08-06
Anticipated expiration: 2031-01-22

Abstract

The application discloses fireproof cable relates to the technical field of cable, and it includes the cable body, the cable body includes conductor sinle silk and cladding insulating core outside the conductor sinle silk, the wherein one end of cable body is provided with the connecting piece, the connecting piece includes the adapter sleeve, conductor sinle silk wears to locate in the adapter sleeve, the both ends of adapter sleeve be provided with be used for with the fixed retaining member of conductor sinle silk. Two adjacent cables in this application are connected through the adapter sleeve, and are fixed conductor core in the both ends of adapter sleeve through the retaining member to can prevent that the cable body from pulling and taking place not hard up, improve the stability of connecting between two adjacent cables.

Description

Fireproof cable

Technical Field

The application relates to the technical field of cables, in particular to a fireproof cable.

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 patent of Chinese utility model with the publication number of CN205177445U in the related art discloses a fireproof cable, which comprises a cable inner core, wherein the cable inner core comprises an insulating wire core, and the insulating wire core is formed by arranging a fireproof layer and an insulating layer outside a conductor wire core from inside to outside in sequence; the outside of the insulated wire core is provided with a skeleton with a net structure, and the skeleton is externally provided with a fireproof layer which is compounded with the skeleton into a whole.

Because the manufacturing length of the cable is limited by production equipment and transportation conditions, a plurality of cables are required to be connected to meet the laying requirement of the cable line in actual use; generally, the insulating layers outside the conductor wire cores of the two cables are peeled off during connection, the two conductor wire cores are connected in a twisted manner, and insulation treatment is carried out through an insulating tape after connection; however, since the cables of this connection method are easily loosened after being pulled, it is difficult to secure the connection stability between two adjacent cables.

SUMMERY OF THE UTILITY MODEL

In order to promote the stability of connecting between the cable, this application provides a fireproof cable.

The application provides a fireproof cable adopts following technical scheme:

the utility model provides a fireproof cable, includes the cable body, the cable body includes conductor sinle silk and cladding the insulating sinle silk outside the conductor sinle silk, the wherein one end of cable body is provided with the connecting piece, the connecting piece includes the adapter sleeve, conductor sinle silk wears to locate in the adapter sleeve, the both ends of adapter sleeve are provided with and are used for with the fixed retaining member of conductor sinle silk.

Through adopting above-mentioned technical scheme, inside the adapter sleeve was worn to locate by the conductor sinle silk of two adjacent cable bodies, fixed two conductor sinle silks in the both ends of adapter sleeve through the retaining member to it is not hard up to prevent that cable body from taking place after pulling, in order to guarantee two cable junction's stability.

Optionally, the retaining member includes the latch segment, the both ends of adapter sleeve are provided with the limiting plate, the confession has been seted up on the latch segment the fixed slot that the conductor sinle silk was pegged graft, seted up on the latch segment with the screw hole of fixed slot intercommunication, threaded hole in-connection has first bolt, the conductor sinle silk passes the limiting plate passes through the latch segment is fixed.

By adopting the technical scheme, the two conductor wire cores penetrate through the two limiting plates and are inserted into the fixing grooves; through first bolt and screw hole screw-thread fit to the tip that makes the bolt supports tightly conductor sinle silk in the fixed slot and fixes, and when the cable body was drawn, offsets through adapter sleeve and limiting plate, thereby restriction conductor sinle silk breaks away from the adapter sleeve.

Optionally, a mounting plate is arranged in the connecting sleeve, and a driving piece used for driving the conductor wire core and the mounting plate to be tightly abutted is arranged on the connecting sleeve.

Through adopting above-mentioned technical scheme, the driving piece can drive the mounting panel and remove, supports conductor sinle silk tightly through the mounting panel to promote the stability of being connected between cable body and the adapter sleeve.

Optionally, the driving part comprises a second bolt, the second bolt is in threaded connection with the connecting sleeve, and the second bolt abuts against one side, far away from the conductor wire core, of the mounting plate.

Through adopting above-mentioned technical scheme, second bolt and adapter sleeve screw-thread fit, the both sides of mounting panel offset with conductor sinle silk and second bolt respectively, thereby can make the both sides of conductor sinle silk support tightly through rotatory second bolt.

Optionally, the mounting plate is of a circular arc structure.

Through adopting above-mentioned technical scheme, the mounting panel sets to convex structure, supports tight in-process at the inner wall of drive conductor sinle silk and connecting pipe, and the mounting panel can drive two conductor sinle silks and move to the direction that is close to each other to can strengthen the stability of being connected between conductor sinle silk and the connecting pipe.

Optionally, the two ends of the connecting sleeve are sleeved with insulating mounting sleeves, the mounting sleeves are in threaded fit with the connecting sleeve, and mounting holes for the cable body to pass through are formed in the mounting sleeves.

By adopting the technical scheme, the two mounting sleeves are sleeved at the two ends of the connecting sleeve, and the limiting plate and the locking block are positioned at the two ends of the connecting sleeve through the mounting sleeves in a threaded manner; the installation cover is made for insulating material, can prevent that the installation cover from exposing outside to can prevent the short circuit of cable body.

Optionally, a sealing ring is arranged between the two mounting sleeves, and two sides of the sealing ring abut against the two mounting sleeves.

Through adopting above-mentioned technical scheme, the sealing washer can prevent that the gap infiltration between installation cover and the adapter sleeve from getting into the adapter sleeve inside to prevent rainwater and conductor sinle silk contact.

Optionally, a compression spring for driving the limiting plate to be tightly attached to the connecting sleeve is arranged in the mounting sleeve.

Through adopting above-mentioned technical scheme, compression spring's both ends offset with limiting plate and installation cover respectively, and compression spring can drive the limiting plate and remove to the inside direction of adapter sleeve to can make two limiting plates support tightly with the both ends of adapter sleeve.

Optionally, a waterproof gasket is arranged in the mounting sleeve, and the waterproof gasket is sleeved on the surface of the insulating wire core.

Through adopting above-mentioned technical scheme, waterproof gasket can prevent that the rainwater from the installation cover and the inside of insulating sinle silk gap infiltration entering adapter sleeve between the sinle silk to prevent rainwater and conductor sinle silk contact.

In summary, the present application includes at least one of the following benefits:

1. through the arrangement of the connecting sleeve and the locking part, two adjacent cable bodies penetrate through the connecting sleeve, and the two conductor wire cores are sequentially fixed at two ends of the connecting sleeve through the locking part, so that the cable bodies can be prevented from being pulled to be loosened, and the connection stability of the two cable bodies can be improved;

2. through the both ends cover at the adapter sleeve insulating installation cover, the installation cover can be fixed in the both ends of adapter sleeve with limiting plate and latch segment, is provided with the sealing washer between two installation covers simultaneously, can make electrified connecting sleeve cover locate the inside of installation cover through installation cover and sealing washer to can prevent that the adapter sleeve from exposing outside and taking place the hidden danger.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

fig. 2 is a schematic cross-sectional view showing a connecting sleeve;

FIG. 3 is a schematic sectional view showing a fixing groove;

FIG. 4 is a schematic cross-sectional view embodying a mounting plate;

fig. 5 is an exploded schematic view of the present embodiment.

Description of reference numerals: 1. a cable body; 11. a conductor core; 12. an insulated wire core; 2. a connecting member; 21. connecting sleeves; 211. a countersunk hole; 3. a locking member; 31. a locking block; 311. fixing grooves; 312. a threaded hole; 313. a first bolt; 32. a limiting plate; 4. mounting a plate; 41. positioning a groove; 5. a drive member; 51. a second bolt; 6. installing a sleeve; 61. mounting holes; 7. a seal ring; 8. a waterproof gasket; 81. a seal ring; 9. compressing the spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a fireproof cable. Referring to fig. 1 and 2, the fireproof cable includes a cable body 1. A plurality of conductor wire cores 11 are arranged inside the cable body 1, and the surface of each conductor wire core 11 is coated with an insulating wire core 12; one end of the cable body 1 is provided with a connecting piece 2 for connecting conductor cores 11 of two adjacent cables, and the connecting piece 2 comprises a connecting sleeve 21; the connecting sleeve 21 in this embodiment is a cylindrical tubular structure, and the connecting sleeve 21 and the conductor wire core 11 are made of the same material; the conductor wire cores 11 penetrate through the inside of the connecting sleeve 21, and locking parts 3 used for fixing the two conductor wire cores 11 are arranged at two ends of the connecting sleeve 21.

Referring to fig. 2 and 3, the locking member 3 includes a locking block 31 and a limiting plate 32, and the locking block 31 is fixedly connected with the limiting plate 32; the surface of the locking block 31 is provided with a fixing groove 311 for the conductor wire core 11 to be inserted, the locking block 31 is provided with a threaded hole 312 communicated with the fixing block, and meanwhile, the threaded hole 312 is vertical to the fixing groove 311; the threaded hole 312 is internally threaded with a first bolt 313, the conductor wire core 11 passes through the two limiting plates 32 and then is inserted into the fixing groove 311, and the conductor wire core 11 is tightly supported in the fixing groove 311 by screwing the bolt, so that the two cable bodies 1 are fixed at two ends of the connecting sleeve 21.

Referring to fig. 2 and 4, two mounting plates 4 are arranged inside the connecting sleeve 21, the mounting plates 4 in this embodiment are circular arc-shaped plate-shaped structures, and the concave surfaces of the two mounting plates 4 are arranged oppositely; the connecting sleeve 21 is provided with a driving part 5 for driving the two mounting plates 4 to clamp the two conductor wire cores 11, and the driving part 5 comprises a plurality of groups of second bolts 51; the connecting sleeve 21 is provided with a counter bore 211, and the second bolt 51 is in threaded fit with the counter bore 211; the two conductor wire cores 11 are arranged between the two mounting plates 4, one side of each mounting plate 4, which is far away from the conductor wire core 11, is provided with a positioning groove 41, and the second bolt 51 is inserted in the positioning groove 41; by screwing the second bolt 51, the two mounting plates 4 can be driven to press the two conductor cores 11 tightly.

Referring to fig. 2 and 5, both ends of the connecting sleeve 21 are sleeved with mounting sleeves 6, the mounting sleeves 6 in this embodiment are made of insulating materials, and the mounting sleeves 6 are in threaded fit with the connecting sleeve 21; the mounting sleeve 6 is provided with a mounting hole 61 for the cable body 1 to pass through, the cable body 1 is arranged in the mounting hole 61 in a penetrating manner, and a gap is reserved between the insulated wire core 12 and the mounting hole 61; a waterproof gasket 8 is arranged in the mounting sleeve 6, and a sealing ring 81 is fixed on one side of the waterproof gasket 8 away from the connecting pipe; the seal ring 81 is disposed between the mounting hole 61 and the insulated wire core 12, while the seal ring 81 is polycondensed in a direction away from the connection sleeve 21.

Referring to fig. 1 and 2, the outer wall of the connecting sleeve 21 is sleeved with a sealing ring 7, two sides of the sealing ring 7 abut against the mounting sleeve 6, and the connecting sleeve 21 is covered inside the mounting sleeve 6 by connecting the two mounting sleeves 6 with the sealing ring 7. A compression spring 9 is arranged inside the mounting sleeve 6, and two ends of the compression spring 9 are respectively abutted against the limiting plate 32 and the waterproof gasket 8; the compression spring 9 can drive the limiting plate 32 to abut against the connecting pipe, and can drive the waterproof gasket 8 to abut against the mounting sleeve 6; thereby enhancing the sealing of the mounting sleeve 6.

The implementation principle of a fireproof cable in the embodiment of the application is as follows:

when two cable bodies 1 are connected, firstly, the installation sleeve 6, the waterproof gasket 8, the compression spring 9 and the limiting plate 32 are sequentially sleeved on the surfaces of two insulated wire cores 12, then, two conductor wire cores 11 are arranged in the connection sleeve 21 in a penetrating manner, meanwhile, the conductor wire cores 11 are positioned between the concave surface of the installation plate 4 and the inner wall of the connection sleeve 21, and the two conductor wire cores 11 pass through the limiting plate 32 and are inserted into the fixing grooves 311; secondly, the first bolt 313 is screwed to fix the conductor wire core 11 on the locking block 31; then, the second bolt 51 is screwed, and the mounting plate 4 is driven by the second bolt 51 to tightly press the conductor wire core 11 against the inner wall of the connecting sleeve 21; and finally, rotating the two mounting sleeves 6 to enable the two mounting sleeves 6 to be respectively abutted against the two sides of the sealing ring 7, so that the mounting sleeves 6 are covered outside the connecting sleeve 21, and the inside of the mounting sleeves 6 is sealed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a fireproof cable, includes cable body (1), cable body (1) includes conductor sinle silk (11) and cladding insulating sinle silk (12) outside conductor sinle silk (11), its characterized in that: wherein one end of cable body (1) is provided with connecting piece (2), connecting piece (2) are including adapter sleeve (21), conductor sinle silk (11) wear to locate in adapter sleeve (21), the both ends of adapter sleeve (21) are provided with be used for with retaining member (3) that conductor sinle silk (11) are fixed.

2. A fire-resistant cable according to claim 1, wherein: retaining member (3) are including latch segment (31), the both ends of adapter sleeve (21) are provided with limiting plate (32), offer the confession on latch segment (31) fixed slot (311) that conductor sinle silk (11) were pegged graft, seted up on latch segment (31) with screw hole (312) of fixed slot (311) intercommunication, screw hole (312) in-connection has first bolt (313), conductor sinle silk (11) pass limiting plate (32) and pass through latch segment (31) are fixed.

3. A fire-resistant cable according to claim 1, wherein: the connecting sleeve (21) is internally provided with a mounting plate (4), and the connecting sleeve (21) is provided with a driving piece (5) for driving the conductor wire core (11) and the mounting plate (4) to be tightly supported.

4. A fire-resistant cable according to claim 3, wherein: the driving piece (5) comprises a second bolt (51), the second bolt (51) is in threaded connection with the connecting sleeve (21), and the second bolt (51) is far away from the mounting plate (4) and is abutted to one side of the conductor wire core (11).

5. A fire-resistant cable according to claim 3, wherein: the mounting plate (4) is of a circular arc structure.

6. A fire-resistant cable according to claim 2, wherein: the cable is characterized in that two ends of the connecting sleeve (21) are sleeved with insulating mounting sleeves (6), the mounting sleeves (6) are in threaded fit with the connecting sleeve (21), and mounting holes (61) for the cable body (1) to pass through are formed in the mounting sleeves (6).

7. A fire-resistant cable according to claim 6, wherein: and a sealing ring (7) is arranged between the two mounting sleeves (6), and two sides of the sealing ring (7) are abutted against the two mounting sleeves (6).

8. A fire-resistant cable according to claim 6, wherein: and a compression spring (9) for driving the limiting plate (32) to be tightly attached to the connecting sleeve (21) is arranged in the mounting sleeve (6).

9. A fire-resistant cable according to claim 6, wherein: and a waterproof gasket (8) is arranged in the mounting sleeve (6), and the waterproof gasket (8) is sleeved on the surface of the insulating wire core (12).