CN210693379U

CN210693379U - Single-core fireproof cable with insulating smooth surface copper sheath filled with magnesium oxide

Info

Publication number: CN210693379U
Application number: CN201921477354.XU
Authority: CN
Inventors: 谢忠; 陈绍明; 林卫东
Original assignee: Guangdong Jianbao Cable Co ltd
Current assignee: Guangdong Jianbao Cable Co ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-06-05
Anticipated expiration: 2029-09-05

Abstract

The utility model discloses an insulating plain noodles copper sheath single core fireproof cable is filled to magnesium oxide, including solid fixed cylinder, pushing mechanism, first cable conductor, second cable conductor, fixed establishment, fixed plate, ejector pad, spacing post, slide, fixture, spring, push rod, compression leg, stationary blade, connecting plate and mounting box. The utility model has the advantages that: put into the inside of fixed good PCB pipeline with the solid fixed cylinder is whole, relative rotation swivel becket realizes two and pushes away cover relative movement, and then realized two and pushed away the cover and promote two sets of ejector pads respectively, the ejector pad has been realized after promoting that two sets of slides that are the loop configuration are to the outer wall of solid fixed cylinder removal, and then realized two sets of rubber pads and contradict with the PCB pipeline, it is fixed in the PCB pipeline to have realized overall structure, drive the connecting plate relative slip when the ejector pad is promoted, the rubber pad of compression leg bottom has been realized contradicts with first cable conductor and second cable conductor, first cable conductor and second cable conductor separation have been avoided, guarantee that the circuit normally works.

Description

Single-core fireproof cable with insulating smooth surface copper sheath filled with magnesium oxide

Technical Field

The utility model relates to a fireproof cable line specifically is a magnesium oxide fills insulating plain noodles copper sheath single core fireproof cable, belongs to cable line technical field.

Background

The cable adopts unshielded twisted pair wires (UTPs), supports high-definition video transmission and accurate data transmission and KVM (keyboard, display and mouse) technology, is the best solution for professional video and data application, provides excellent low-offset performance for component video application, and accords with and is suitable for TIA/EIA standard.

However, traditional magnesium oxide fills insulating plain noodles copper sheath single core fireproof cable and places the inside at the PCB pipeline after two cable conductor are connected and protect, directly places two connecting wires at the PCB intraduct and does not fix it, probably leads to two cable conductors that lie in PCB intraduct connection to drop when the circuit installation, influences the circuit.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an insulating plain noodles copper sheath single core fireproof cable is filled to magnesium oxide just in order to solve above-mentioned problem, and easy to assemble dismantles, can protect, fix the protection circuit to the cable conductor body of connecting.

The utility model realizes the purpose by the following technical proposal, a magnesium oxide filled insulating plain copper sheath single-core fireproof cable comprises a fixed cylinder and a first cable conductor and a second cable conductor which are arranged inside the fixed cylinder, wherein the opposite ends of the first cable conductor and the second cable conductor are embedded inside the fixed cylinder, the opposite ends of the first cable conductor and the second cable conductor are electrically connected through a mounting box, the two ends of the fixed cylinder are in threaded connection with a pushing mechanism, the surface of the fixed cylinder is provided with two groups of fixing mechanisms for installing the whole structure inside a pipeline in an annular array manner, each fixing mechanism comprises a fixed plate, a push block, a limiting column and a sliding plate, the side wall of the fixed cylinder is in an annular array manner and is in sliding connection with two groups of sliding plates with the bottoms in inclined arrangement, and the fixed plates are welded at the tops of the sliding plates, be located inside the solid fixed cylinder the lateral wall welding of slide has spacing post, the inside of solid fixed cylinder about the slide corresponds sliding connection and has the top to be the slope setting the ejector pad, the inner wall of solid fixed cylinder is annular array and installs two sets of fixture, fixture includes spring, push rod, compression leg, stationary blade and connecting plate, and is a plurality of the bottom welding of ejector pad the connecting plate is, and is a plurality of the bottom welding of connecting plate the push rod is two sets of the push rod with install between the inner wall of solid fixed cylinder the spring, the inside relative welding of solid fixed cylinder has two sets of being located the push rod bottom the stationary blade, two sets of the bottom welding of stationary blade the compression leg, first cable conductor reaches the second cable conductor is located a plurality of between the compression leg.

Preferably, in order to realize the compression leg is right first cable conductor the fixed effect of second cable conductor is better, avoids the compression leg will first cable conductor the second cable conductor extrusion is damaged, fixture still includes rubber pad and disassembly hole, and is two sets of the back of the body end of push rod has been seted up the disassembly hole, and is two sets of the compression leg deviates from the one end of stationary blade bonds and has the rubber pad, the bottom of compression leg is the arc structure.

Preferably, in order to realize the push rod will when removing the stationary blade is contradicted, and then has realized the stationary blade is extrudeed, and then has realized the stationary blade will the compression leg pressurizes, finally realizes that the rubber pad contradicts the cable conductor, the stationary blade with contained angle between the push rod is 45 degrees, the stationary blade with contained angle between the fixed section of thick bamboo is 45 degrees, the stationary blade with contained angle between the compression leg is greater than 90 degrees.

Preferably, in order to realize rotating the swivel becket realize push away the cover to the inside removal of fixed cylinder, and then realized push away the cover will the ejector pad removes, and then realized the ejector pad is with a plurality of the slide promotes, and then realized the slide will the fixed plate is fixed in the inside wall of pipeline, pushing mechanism includes swivel becket and pushes away the cover, the both ends threaded connection of fixed cylinder has and is the hollow circular column structure push away the cover, two it has circular structure to push away the welding of the back of the body end of cover the swivel becket.

Preferably, in order to realize that the mounting box is mounted inside the fixed cylinder, the compression columns do not affect the mounting and fixing of the mounting box, the distance between two opposite compression columns is greater than the maximum diameter of the mounting box, and the mounting box is located in one half of the inside of the fixed cylinder.

Preferably, in order to realize that the push block pushes the sliding plate, the contact area between the fixed plate and the pipe wall is increased, the whole mechanism is prevented from falling off, the push block is parallel to the opposite surface of the sliding plate, and the fixed plate at the top of the sliding plate is an arc-shaped mechanism.

The utility model has the advantages that: the fixed cylinder is integrally placed inside the fixed PCB pipeline, the rotating ring is relatively rotated to realize the relative movement of the two push sleeves, so that the two push sleeves respectively push the two groups of push blocks, the two groups of sliding plates in an annular structure move towards the outer wall of the fixed cylinder after the push blocks are pushed, further two groups of rubber pads are abutted against the PCB pipeline, finally the whole structure is fixed on the PCB pipeline, the push blocks are pushed and simultaneously drive the connecting plate to relatively slide, further the connecting plate drives the two groups of push rods to relatively move, the springs stretch while the push rods move, when the push rods are abutted against the fixing plates, a plurality of fixing plates are moved towards the circle center direction of the first cable and the second cable, further the rubber pads at the bottom of the compression column are abutted against the first cable and the second cable, the fixation of the cables is realized, and the separation of the first cable and the second cable when the cables are installed is avoided, the normal operation of the circuit is ensured.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the overall structure shown in FIG. 1;

fig. 3 is an enlarged view of the structure of the part a shown in fig. 2.

In the figure: 1. the device comprises a fixed cylinder, 2, a pushing mechanism, 21, a rotating ring, 22, a pushing sleeve, 3, a first cable, 4, a second cable, 5, a fixing mechanism, 51, a fixing plate, 52, a pushing block, 53, a limiting column, 54, a sliding plate, 6, a clamping mechanism, 61, a spring, 62, a pushing rod, 63, a rubber pad, 64, a pressing column, 65, a fixing sheet, 66, a dismounting hole, 67, a connecting plate, 7 and a mounting box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a magnesium oxide filled insulating plain copper sheath single-core fireproof cable comprises a fixed cylinder 1, and a first cable 3 and a second cable 4 installed inside the fixed cylinder 1, wherein opposite ends of the first cable 3 and the second cable 4 are embedded inside the fixed cylinder 1, the opposite ends of the first cable 3 and the second cable 4 are electrically connected through a mounting box 7, two ends of the fixed cylinder 1 are in threaded connection with pushing mechanisms 2, two groups of fixing mechanisms 5 for installing an integral structure inside a pipeline are installed on the surface of the fixed cylinder 1 in an annular array manner, each fixing mechanism 5 comprises a fixed plate 51, a push block 52, a limiting column 53 and a sliding plate 54, two groups of sliding plates 54 with inclined bottoms are slidably connected to the side wall of the fixed cylinder 1 in an annular array manner, the top welding of a plurality of slide 54 has fixed plate 51, is located inside the solid fixed cylinder 1 the lateral wall welding of slide 54 has spacing post 53, the inside of the solid fixed cylinder 1 is about slide 54 corresponds sliding connection has the top to be the ejector pad 52 that the slope set up, the inner wall of the solid fixed cylinder 1 is annular array and installs two sets of fixture 6, fixture 6 includes spring 61, push rod 62, compression leg 64, stationary blade 65 and connecting plate 67, a plurality of the bottom welding of ejector pad 52 the connecting plate 67, the bottom welding of a plurality of connecting plate 67 the push rod 62, install between two sets of push rod 62 and the inner wall of the solid fixed cylinder 1 spring 61, the inside relative welding of the solid fixed cylinder 1 has two sets of stationary blade 65 that are located the push rod 62 bottom, the bottom welding of two sets of stationary blade 65 the compression leg 64, the first cable wires 3 and the second cable wires 4 are located between the plurality of press columns 64.

As a technical optimization scheme of the utility model, fixture 6 still includes rubber pad 63 and disassembly hole 66, and is two sets of the end of carrying on the back of the body of push rod 62 has been seted up disassembly hole 66, it is two sets of compression leg 64 deviates from the one end of stationary blade 65 bonds there is rubber pad 63, the bottom of compression leg 64 is the arc structure.

As a technical optimization scheme of the utility model, the stationary blade 65 with contained angle between the push rod 62 is 45 degrees, the stationary blade 65 with contained angle between the solid fixed cylinder 1 is 45 degrees, the stationary blade 65 with contained angle between the compression leg 64 is greater than 90 degrees.

As a technical optimization scheme of the utility model, pushing mechanism 2 includes swivel ring 21 and pushes away cover 22, the both ends threaded connection of solid fixed cylinder 1 has and is the hollow circular cylinder structure push away cover 22, two it has circular structure to push away the welding of the back of the body end of cover 22 swivel ring 21.

As a technical optimization scheme of the utility model, two relatively the distance between the compression leg 64 is greater than the maximum diameter of mounting box 7, just mounting box 7 is located the inside half department of a solid fixed cylinder 1.

As a technical optimization scheme of the present invention, the push block 52 is parallel to the opposite surface of the sliding plate 54, and is located at the top of the sliding plate 54 the fixing plate 51 is an arc-shaped mechanism.

When the utility model is used, firstly, the PCB pipeline for protecting the cable is fixed on the outdoor wall, and the length of the PCB pipeline is equal to that of the fixed cylinder 1, the first cable 3 is led to pass through the inside of the fixed cylinder 1, the first cable 3 and the second cable 4 are electrically connected through the mounting box 7, the first cable 3 is pulled to realize that the mounting box 7 enters the inside of the fixed cylinder 1, and the protection of the fixed cylinder 1 for the first cable 3 and the second cable 4 is realized; then, the fixed cylinder 1 is integrally placed inside a fixed PCB pipeline, the diameter of the PCB pipeline is slightly larger than that of the fixed cylinder 1, the rotating ring 21 is relatively rotated to realize the relative movement of the two push sleeves 22, so that the two push sleeves 22 respectively push the two groups of push blocks 52, after the push blocks 52 are pushed, the two groups of sliding plates 54 in an annular structure move towards the outer wall of the fixed cylinder 1, the two groups of rubber pads 63 are abutted against the PCB pipeline, and finally the whole structure is fixed on the PCB pipeline; finally, the pushing block 52 is pushed to drive the connecting plate 67 to slide relatively, so that the connecting plate 67 drives two groups of pushing rods 62 to move relatively, the springs 61 are opened while the pushing rods 62 move, when the pushing rods 62 are abutted to the fixing plates 65, the fixing plates 54 move towards the circle centers of the first cable 3 and the second cable 4, the rubber pads 63 at the bottoms of the compression columns 64 are abutted to the first cable 3 and the second cable 4, the cables are fixed, the first cable 3 and the second cable 4 are prevented from being separated when the cables are installed, normal work of a circuit is guaranteed, the rotating ring 21 rotates reversely during detachment, the pushing block 52 is pulled through the detachment hole 66, and the sliding plate 54 drops, The push rod 62 is reset, and the pressing columns 64 are mutually opened, so that the first cable wire 3 and the second cable wire 4 are detached.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an insulating plain noodles copper sheath single core fireproof cable is filled to magnesium oxide, includes solid fixed cylinder (1) and installs gu inside first cable conductor (3), second cable conductor (4) of fixed cylinder (1), its characterized in that: the relative end embedding of first cable conductor (3), second cable conductor (4) the inside of solid fixed cylinder (1), just first cable conductor (3) with through mounting box (7) electric connection between the relative end of second cable conductor (4), the both ends threaded connection of solid fixed cylinder (1) has pushing mechanism (2), the surface of solid fixed cylinder (1) is annular array and installs two sets of fixed establishment (5) that are used for installing overall structure in the pipeline inside, fixed establishment (5) include fixed plate (51), ejector pad (52), spacing post (53) and slide (54), the lateral wall of solid fixed cylinder (1) is annular array sliding connection have two sets of bottoms be the slope setting slide (54), a plurality of the welding of the top of slide (54) fixed plate (51), be located the inside lateral wall welding of slide (54) of solid fixed cylinder (1) has spacing post (53), the inner part of the fixed cylinder (1) is obliquely arranged relative to the sliding plate (54) corresponding to the sliding connection top of the push block (52), the inner wall of the fixed cylinder (1) is provided with two groups of clamping mechanisms (6) in an annular array, each clamping mechanism (6) comprises a spring (61), a push rod (62), a compression leg (64), a fixing sheet (65) and a connecting plate (67), the bottom of each push block (52) is welded with the connecting plate (67), the bottom of each connecting plate (67) is welded with the push rod (62), the springs (61) are arranged between the two groups of push rods (62) and the inner wall of the fixed cylinder (1), the inner part of the fixed cylinder (1) is relatively welded with two groups of fixing sheets (65) positioned at the bottom of the push rod (62), and the bottoms of the two groups of fixing sheets (65) are welded with the compression legs (64), the first cable wires (3) and the second cable wires (4) are positioned among the pressing columns (64).

2. The magnesium oxide filled insulating plain copper sheath single-core fireproof cable according to claim 1, wherein: fixture (6) still includes rubber pad (63) and disassembly hole (66), and is two sets of the end of carrying on the back of the body of push rod (62) has been seted up disassembly hole (66), two sets of compression leg (64) deviate from the one end of stationary blade (65) bonds and has rubber pad (63), the bottom of compression leg (64) is the arc structure.

3. The magnesium oxide filled insulating plain copper sheath single-core fireproof cable according to claim 1, wherein: stationary blade (65) with contained angle between push rod (62) is 45 degrees, stationary blade (65) with contained angle between fixed section of thick bamboo (1) is 45 degrees, stationary blade (65) with contained angle between compression leg (64) is greater than 90 degrees.

4. The magnesium oxide filled insulating plain copper sheath single-core fireproof cable according to claim 1, wherein: pushing mechanism (2) include swivel becket (21) and push away cover (22), the both ends threaded connection of solid fixed cylinder (1) has and is hollow cylindrical structure push away cover (22), two the welding of the back of the body end that pushes away cover (22) has swivel becket (21) that is circular structure.

5. The magnesium oxide filled insulating plain copper sheath single-core fireproof cable according to claim 1, wherein: the distance between two opposite compression columns (64) is larger than the maximum diameter of the mounting box (7), and the mounting box (7) is positioned in one half of the inner part of the fixed cylinder (1).

6. The magnesium oxide filled insulating plain copper sheath single-core fireproof cable according to claim 1, wherein: the push block (52) is parallel to the opposite surface of the sliding plate (54), and the fixing plate (51) positioned at the top of the sliding plate (54) is of an arc-shaped mechanism.