CN218241356U - Flame-retardant and fire-resistant control cable - Google Patents

Abstract

The utility model discloses a fire-retardant fire-resistant control cable, including outer parcel layer, collar, mounting bar and stop device, outer parcel layer inner wall bonds there is the protective layer, protective layer inner wall is provided with first shielding layer, first shielding layer inner wall fixedly connected with second shielding layer, second shielding layer inner wall is provided with the insulating layer, insulating layer inner wall bonds there is the third shielding layer, third shielding layer inside is provided with a plurality of conductors. The utility model discloses an outer parcel layer, the outer wall of conductor body are provided with multilayer protection structure, and first shielding layer, second shielding layer and third shielding layer can carry out the external signal of different grade type etc. to the conductor respectively and shield, have paintd fire prevention coating in the inside and the outer wall on outer parcel layer simultaneously, and the coating can generate even fine and close spongy foam insulating layer when receiving fire, can restrain effectively, the propagation of separation flame with stretch, play the guard action to electric wire, cable.

Description

Flame-retardant and fire-resistant control cable

Technical Field

The utility model relates to a cable field, concretely relates to fire-retardant fire-resistant control cable.

Background

Cables are generally rope-like cables made up of several or groups of at least two conductors twisted together, each group being insulated from one another and often twisted around a center, the entire outer surface being covered with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation, and the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a ship cable, a mine cable, an aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.

However, in actual use, the plurality of cables are usually used together in a group, and the plurality of cables are easily entangled with each other in the laying process of the cables, so that in the process of transmitting signals and the like by the cables, heat generated in the cables is not easily dissipated, and the internal temperature of the cables is too high to cause spontaneous combustion.

Therefore, there is a need for a flame retardant and fire resistant control cable that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fire-retardant fire-resistant control cable, through outer parcel layer, the outer wall of conductor body is provided with multilayer protection structure, first shielding layer, second shielding layer and third shielding layer can carry out the external signal of different grade type etc. to the conductor respectively and shield, fireproof paint has been paintd with the outer wall in the inside on outer parcel layer simultaneously, the coating can generate even fine and close spongy foam insulating layer when receiving fire, can restrain effectively, propagation and the stretching of separation flame, to the electric wire, the cable plays the guard action, with the above-mentioned weak point in the solution technology.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a fire-retardant fire-resistant control cable, includes outer parcel layer, collar, mounting bar and stop device, outer parcel in situ wall bonds there is the protective layer, protective layer inner wall is provided with first shielding layer, first shielding layer inner wall fixedly connected with second shielding layer, second shielding layer inner wall is provided with the insulating layer, insulating layer inner wall bonds there is the third shielding layer, the inside a plurality of conductors that are provided with of third shielding layer, the inside in the middle of the third shielding layer is provided with the strip that resets, the mounting groove has been seted up to collar inside, collar and outer parcel pass through mounting groove fixed connection, the middle division is equipped with the fixed slot in the collar, fixed slot inner wall fixedly connected with elasticity pole, stop device sets up in the outer wall of elasticity pole.

Preferably, the outer wrapping layer is made of polyethylene, and the inner wall and the outer wall of the outer wrapping layer are coated with fireproof paint.

Preferably, the protective layer is made of a galvanized steel strip material, and the first shielding layer arranged on the inner wall of the protective layer is made of a copper wire material.

Preferably, the inner wall of the mounting bar is provided with a sliding groove, the sliding groove is connected with the mounting ring in a sliding manner, and one end of the sliding groove is welded with a threaded plate.

Preferably, the limiting device comprises an auxiliary ring, a connecting plate, a clamping ring and an auxiliary groove, the auxiliary ring is arranged on the outer wall of the elastic rod, the connecting plate is welded on the outer wall of the auxiliary ring, the clamping ring is arranged at one end of the connecting plate, the auxiliary groove is arranged on one side of the clamping ring, and the clamping ring is clamped with the outer wrapping layer.

Preferably, the number of the snap-in rings is set to be multiple, the snap-in rings are annularly arrayed on the outer wall of the auxiliary ring, and the cross section of the snap-in rings is set to be a half arc.

In the technical scheme, the utility model provides a technological effect and advantage:

1. through the outer wrapping layer, the outer wall of the conductor body is provided with a multi-layer protection structure, the first shielding layer, the second shielding layer and the third shielding layer can respectively shield different types of external signals and the like of the conductor, meanwhile, fireproof paint is coated inside and on the outer wall of the outer wrapping layer, and a uniform and compact spongy foam heat insulation layer can be generated when the paint coating is on fire, so that the spreading and spreading of flame can be effectively inhibited and blocked, and the wire and cable are protected;

2. through the collar, a plurality of mounting grooves have been seted up to the inner wall of collar, and the mounting groove can be installed the cable of difference respectively, avoids laminating each other between the cable, causes the cable unable the giving off of the inside heat of in-process of transmission signal, leads to the cable spontaneous combustion.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a perspective view of the present invention;

fig. 2 is a perspective view of the mounting bar of the present invention;

FIG. 3 is a perspective view of the mounting ring of the present invention;

fig. 4 is a perspective view of the limiting device of the present invention;

fig. 5 is a front cross-sectional view of the outer coating of the present invention.

Description of reference numerals:

1. an outer wrapping layer; 2. a protective layer; 3. a first shielding layer; 4. a second shielding layer; 5. an insulating layer; 6. a third shielding layer; 7. a conductor; 8. a reset bar; 9. a mounting ring; 10. mounting grooves; 11. a fixing groove; 12. mounting a bar; 13. a chute; 14. a thread plate; 15. an elastic rod; 16. a limiting device; 1601. an auxiliary ring; 1602. a connecting plate; 1603. clamping a ring; 1604. an auxiliary groove.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a fire-retardant fire-resistant control cable as shown in fig. 1-5, including outer parcel layer 1, the collar 9, mounting bar 12 and stop device 16, outer parcel layer 1 inner wall bonds in the structure has protective layer 2, protective layer 2 inner wall is provided with first shielding layer 3 in the structure, first shielding layer 3 inner wall fixedly connected with second shielding layer 4 in the structure, second shielding layer 4 inner wall is provided with insulating layer 5 in the structure, insulating layer 5 inner wall bonds in the structure has third shielding layer 6, third shielding layer 6 is inside to be provided with a plurality of conductors 7 in the structure, the inside in the middle of third shielding layer 6 is provided with strip 8 that resets in the structure, mounting bar 9 inside mounting groove 10 has been seted up in the structure, collar 9 and outer parcel layer 1 are through mounting groove 10 fixed connection in the structure, fixed slot 11 has been seted up in the middle of collar 9 in the structure, fixed slot 11 inner wall fixedly connected with spring pole 15 in the structure, stop device 16 sets up in spring pole 15's outer wall in the structure.

Further, in the technical scheme, the outer wrapping layer 1 in the structure is made of polyethylene materials, the inner wall and the outer wall of the outer wrapping layer 1 in the structure are coated with fireproof coatings, the protective layer 2 in the structure is made of galvanized steel strips, the first shielding layer 3 arranged on the inner wall of the protective layer 2 in the structure is made of copper wires, the inner part and the outer wall of the outer wrapping layer are coated with fireproof coatings, and the coating can generate a uniform and compact spongy foam heat insulation layer when being heated, so that the spread and propagation of flame can be effectively inhibited and blocked, and the electric wire and the cable are protected.

Further, in the above technical scheme, spout 13 has been seted up to the 12 inner walls of mounting bar in the structure, and spout 13 and collar 9 sliding connection in the structure, and the welding of spout 13 one end has screw thread plate 14 in the structure, and a plurality of collars 9 can be installed to the inside of spout 13, and the inside mounting groove 10 of collar 9 can separately place the cable simultaneously, avoids laminating each other between the cable.

Further, in above-mentioned technical scheme, stop device 16 includes auxiliary ring 1601 in the structure, connecting plate 1602, block ring 1603 and auxiliary groove 1604, auxiliary ring 1601 sets up in the outer wall of elastic rod 15 in the structure, auxiliary ring 1601 outer wall welding has connecting plate 1602 in the structure, block ring 1603 has been seted up to connecting plate 1602 one end in the structure, auxiliary groove 1604 has been seted up to block ring 1603 one side in the structure, block ring 1603 and outer parcel 1 block each other in the structure, the quantity of block ring 1603 sets up to a plurality ofly in the structure, a plurality of block ring 1603 annular array are in auxiliary ring 1601's outer wall, the cross section of block ring 1603 sets up to half arc in the structure, block ring 1603 through setting up can support outer parcel 1, avoid laminating each other between the cable after stretching out in the mounting groove 10, when the cable need buckle, can set up stop device 16 in the position of buckling, avoid the cable after buckling to appear the crease.

This practical theory of operation:

referring to the attached drawings 1-5 of the specification, firstly, when cables need to be laid in an underground pipeline, a plurality of mounting rings 9 can be mounted on the inner wall of a mounting bar 12 according to the number of the cables, the outer wall of each mounting ring 9 is attached to the inner wall of a sliding groove 13, the mounting rings 9 are fixed, then the cables are sequentially inserted into mounting grooves 10 in the mounting rings 9, the cables are fixed through the mounting grooves 10, bolts are inserted into threaded plates 14, then the mounting bar 12 is fixed on the inner wall of the underground pipeline, then an auxiliary ring 1601 is mounted on the outer wall of an elastic rod 15, then an outer wrapping layer 1 and the inner wall of a clamping ring 1603 are mutually clamped to limit the cables, and the cables are prevented from being attached to each other;

referring to the attached drawings 1-5 of the specification, the first shielding layer 3 can limit an electric field in the cable, the personal safety of personnel is kept, and meanwhile the cable can be protected from external electric interference, the second shielding layer 4 is mainly made of non-metallic materials, so that the second shielding layer 4 has the semi-conductive characteristic, the second shielding layer 4 mainly eliminates the tip effect of the surface of a grounding copper strip and improves the electric field distribution on the periphery of the insulating surface, the third shielding layer 6 is mainly used for inhibiting the growth of electric beams and the heat shielding effect, meanwhile, fireproof paint is coated on the inner wall and the outer wall of the outer wrapping layer 1, the cable fireproof paint is mainly composed of a tertiary acrylic emulsion water-based material, various fireproof flame retardants, plasticizers and the like, the tertiary acrylic emulsion water-based material directly and completely covers the inner wall and the outer wall of the outer wrapping layer 1, a uniform and compact spongy foam heat insulation layer can be generated when the paint coating layer is on fire, the flame propagation and spreading can be effectively inhibited and blocked, and the electric wires and the cable can be protected.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims (6)

1. The utility model provides a fire-retardant fire-resistant control cable, includes outer parcel layer (1), collar (9), mounting bar (12) and stop device (16), its characterized in that: outer parcel layer (1) inner wall bonds and has protective layer (2), protective layer (2) inner wall is provided with first shielding layer (3), first shielding layer (3) inner wall fixedly connected with second shielding layer (4), second shielding layer (4) inner wall is provided with insulating layer (5), insulating layer (5) inner wall bonds and has third shielding layer (6), third shielding layer (6) inside is provided with a plurality of conductors (7), inside in the middle of third shielding layer (6) is provided with strip (8) that resets, mounting groove (10) have been seted up to collar (9) inside, mounting ring (9) and outer parcel layer (1) pass through mounting groove (10) fixed connection, fixed slot (11) have been seted up in the middle of collar (9), fixed slot (11) inner wall fixedly connected with elasticity pole (15), stop device (16) set up in the outer wall of elasticity pole (15).

2. The flame retardant, fire resistant control cable of claim 1, wherein: the fire-proof coating is characterized in that the outer wrapping layer (1) is made of polyethylene materials, and fire-proof coatings are coated on the inner wall and the outer wall of the outer wrapping layer (1).

3. The flame retardant, fire resistant control cable of claim 1, wherein: the protective layer (2) is made of a galvanized steel strip material, and the first shielding layer (3) arranged on the inner wall of the protective layer (2) is made of a copper wire material.

4. The flame retardant, fire resistant control cable of claim 1, wherein: the mounting bar (12) inner wall has been seted up spout (13), spout (13) and collar (9) sliding connection, spout (13) one end welding has screw plate (14).

5. A fire retardant and resistant control cable according to claim 1, wherein: stop device (16) include supplementary ring (1601), connecting plate (1602), block ring (1603) and auxiliary groove (1604), supplementary ring (1601) set up in the outer wall of elastic rod (15), supplementary ring (1601) outer wall welding has connecting plate (1602), block ring (1603) has been seted up to connecting plate (1602) one end, auxiliary groove (1604) has been seted up to block ring (1603) one side, block ring (1603) and outer parcel layer (1) block each other.

6. A fire retardant and resistant control cable according to claim 5, wherein: the number of the clamping rings (1603) is set to be multiple, the plurality of clamping rings (1603) are annularly arrayed on the outer wall of the auxiliary ring (1601), and the cross section of each clamping ring (1603) is set to be a half circular arc.

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