CN218647684U

CN218647684U - Flame-retardant prefabricated branch cable

Info

Publication number: CN218647684U
Application number: CN202223239478.9U
Authority: CN
Inventors: 樊志毅
Original assignee: Jiangsu San'an Cable Co ltd
Current assignee: Jiangsu San'an Cable Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-03-17
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses a prefabricated branch cable of flame retardant formula relates to prefabricated cable technical field, including prefabricated spliter, prefabricated spliter rear end is provided with the cable insertion hole, prefabricated spliter front end is provided with cable outlet, inside all run through and sliding connection by leader cable line and branch cable conductor of cable insertion hole and cable outlet circumference, prefabricated spliter surface is provided with the outer protective layer, the outer protective layer internal surface is provided with fire-retardant insulating layer, the inside end fixed connection of cable insertion hole has the connector, the connector includes that fixed fixture block, first removal fixture block, second remove the fixture block, the equal fixed connection in both ends is at the connector inner wall about the fixed fixture block, fixed fixture block top is provided with first removal fixture block, fixed fixture block below is provided with the second and removes the fixture block, the utility model discloses in, be convenient for the installation of being connected of leader cable line and branch cable conductor, improved the prefabricated branch cable of flame retardant formula has anticorrosion, fire-retardant characteristic.

Description

Flame-retardant prefabricated branch cable

Technical Field

The utility model relates to a prefabricated cable technical field, concretely relates to prefabricated branch cable of flame retardant formula.

Background

The prefabricated branch cable has the advantages of good shock resistance, air tightness and waterproof performance, small occupied space, convenience in installation and the like, is widely and massively used in building projects such as urban residential buildings, business office buildings, superstores, schools, hotels, hospitals and the like at present, and is also suitable for power supply systems such as tunnels, airports, bridges, highways and the like. However, the existing branch cable conductor mainly adopts a copper core conductor, so that the copper resource is increasingly tense and the price is high. Recently, with the increase of the awareness of the environment and the awareness of the safety of human beings, the flame-retardant prefabricated branch cable is widely applied and has great development potential.

The existing prefabricated branch cable cannot well connect the main cable and the branch cable together, so that the working performance of the prefabricated branch cable is easily influenced; the existing prefabricated cable conductor has poor corrosion resistance and flame retardance and is easily influenced by external factors in the using process.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a prefabricated branch cable of flame retardant formula to solve prefabricated branch cable in the present trade can not be fine with main cable line and branch cable line connected together, influence the shortcoming of prefabricated branch cable line's working property easily, the corrosion resistance and the fire resistance of prefabricated cable line are relatively poor, the shortcoming that easily receives external factor to influence in the use.

In order to achieve the above object, the utility model discloses a following technical scheme realizes:

the flame-retardant type prefabricated branch cable comprises a prefabricated branch device, wherein a cable insertion opening is formed in the rear end of the prefabricated branch device, a cable output opening is formed in the front end of the prefabricated branch device, the inner portions of the circumferences of the cable insertion opening and the cable output opening are both penetrated through by a main cable wire and a branch cable wire and are in sliding connection, an outer protective layer is arranged on the outer surface of the prefabricated branch device, a flame-retardant insulating layer is arranged on the inner surface of the outer protective layer, and a connector is fixedly connected to the inner end of the cable insertion opening.

As the utility model discloses a preferred technical scheme, the connector includes that fixed fixture block, first removal fixture block, second remove the fixture block, the equal fixed connection in connector inner wall in both ends about fixed fixture block, fixed fixture block top is provided with first removal fixture block, fixed fixture block below is provided with the second and removes the fixture block.

As the utility model discloses a preferred technical scheme, first removal fixture block and second remove the equal fixedly connected with slider in both ends about the fixture block, slider surface sliding connection is at the guide rail inner wall.

As a preferred technical scheme of the utility model, guide rail outer wall fixed connection is at the connector inner wall.

As a preferred technical scheme of the utility model, guide rail inner wall upper end fixedly connected with spring-fixing rod, spring-fixing rod circumference fixed surface is connected with the spring.

As a preferred technical scheme of the utility model, spring lower extreme fixed connection is in the slider upper end.

As the utility model discloses a preferred technical scheme, top surface all is provided with the recess about the fixed fixture block, the top surface is provided with the recess under the first removal fixture block, the second removes the fixture block and goes up the top surface and be provided with the recess.

As the utility model discloses a preferred technical scheme, main cable wire circumferential surface runs through and sliding connection is in the recess on fixed fixture block and the first movable fixture block, branch cable wire circumferential surface runs through and sliding connection is in the recess between fixed fixture block and the second movable fixture block.

As a preferred technical scheme of the utility model, the recess is the same with cable outlet's axis.

The beneficial effects of the utility model reside in that:

1. the utility model discloses in, through the cable inserted hole and the cable outlet that both ends set up around the prefabricated spliter, the connector that sets up in the cable inserted hole, main cable conductor and branch cable conductor when inserting prefabricated spliter, link together main cable conductor and branch cable conductor through connector and cable outlet cooperation, the main cable conductor of being convenient for is connected the installation with a cable conductor, avoids the bad connection influence of main cable conductor and branch cable conductor to hinder the working property of prefabricated branch cable of burning formula.

2. The utility model discloses in, be provided with the outer protective layer through prefabricated spliter surface, outer protective layer inner wall is provided with fire-retardant insulating layer, protects prefabricated spliter through the outer protective layer and avoids the influence of external environment to lead to the cable to be corroded, prevents through fire-retardant insulating layer that main cable conductor and branch cable conductor from rising at the course of the work temperature and leading to the cable burning, has improved that flame retardant formula prefabricated branch cable has anticorrosion, fire-retardant characteristic.

Drawings

Fig. 1 is a schematic view of the external structure of the flame-retardant prefabricated branch cable of the present invention;

fig. 2 is a schematic view of the external structure of the flame-retardant prefabricated branch cable connector of the present invention;

fig. 3 is a schematic front sectional view of the flame-retardant prefabricated branch cable connector of the present invention;

in the figure: 1. prefabricating a splitter; 2. a cable insertion opening; 3. a cable outlet; 4. an outer protective layer; 5. a flame retardant insulating layer; 6. a connector; 7. a main cable line; 8. a branch cable line; 9. fixing the fixture block; 10. a first movable fixture block; 11. a second movable fixture block; 12. a guide rail; 13. a slider; 14. a spring fixing rod; 15. a spring; 16. and (6) a groove.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the above description of the present invention, it should be noted that the terms "one side" and "the other side" are used for indicating the position or the positional relationship based on the position or the positional relationship shown in the drawings, or the position or the positional relationship which is usually placed when the product of the present invention is used, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the indicated device or element must have a specific position, be constructed and operated in a specific position, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

Further, the term "same" or the like does not mean that the components are absolutely required to be the same, but may have slight differences. The term "perpendicular" merely means that the positional relationship between the components is more perpendicular than "parallel", and does not mean that the structure must be perfectly perpendicular, but may be slightly inclined.

Examples

Please refer to fig. 1-3, which illustrate a technical solution provided by the present invention: prefabricated branch cable of flame retardant formula, including prefabricated branching ware 1, prefabricated branching ware 1 rear end is provided with cable insertion port 2, prefabricated branching ware 1 front end is provided with cable outlet 3, cable insertion port 2 all runs through and sliding connection by main cable 7 and branch cable conductor 8 with 3 circumference insides of cable outlet, prefabricated branching ware 1 surface is provided with outer protective layer 4, the internal surface of outer protective layer 4 is provided with fire-retardant

insulating layer

5, 2 internal end fixedly connected with connectors 6 of cable insertion port, it leads to the cable to be corroded to protect prefabricated branching ware 1 to avoid external environment's influence through outer protective layer 4, prevent main cable 7 and branch cable conductor 8 temperature rise in the course of the work through fire-retardant insulating layer 5 and lead to the cable burning, it has the anticorrosion, fire-retardant characteristic to have improved the prefabricated branch cable of flame retardant formula.

Connector 6 includes fixed fixture block 9, first removal fixture block 10, second removal fixture block 11, both ends are all fixed connection at connector 6 inner wall about fixed fixture block 9, fixed fixture block 9 top is provided with first removal fixture block 10, fixed fixture block 9 below is provided with second removal fixture block 11, both ends are all fixed connection with slider 13 about first removal fixture block 10 and the second removal fixture block 11, slider 13 surface sliding connection is at guide rail 12 inner wall, guide rail 12 outer wall fixed connection is at connector 6 inner wall, insert main cable line 7 and branch cable line 8 from prefabricated branch ware 1's cable insertion hole 2, inside main cable line 7 and branch cable line 8 got into connector 6, when main cable line 7 and branch cable line 8 passed recess 16, make first removal fixture block 10 and second removal fixture block 11 move in guide rail 12 through slider 13.

The upper end of the inner wall of the guide rail 12 is fixedly connected with a spring fixing rod 14, the circumferential surface of the spring fixing rod 14 is fixedly connected with a spring 15, the lower end of the spring 15 is fixedly connected with the upper end of a sliding block 13, when the main cable 7 and the branch cable 8 penetrate through a groove 16, the first movable clamping block 10 and the second movable clamping block 11 move in the guide rail 12 through the sliding block 13, and the spring 15 is extruded to enable the main cable 7 and the branch cable 8 to be clamped by the spring 15.

The upper and lower top surfaces of the fixed clamping block 9 are provided with grooves 16, the lower top surface of the first movable clamping block 10 is provided with a groove 16, the upper top surface of the second movable clamping block 11 is provided with a groove 16, the circumferential surface of the main cable wire 7 penetrates through and is connected in the groove 16 on the fixed clamping block 9 and the first movable clamping block 10 in a sliding mode, the circumferential surface of the branch cable wire 8 penetrates through and is connected in the groove 16 between the fixed clamping block 9 and the second movable clamping block 11 in a sliding mode, the groove 16 is the same as the axis of the cable outlet 3, the main cable wire 7 and the branch cable wire 8 are installed together through the prefabricated branch device 1, and the main cable wire 7 and the branch cable wire 8 are connected together conveniently and quickly through the prefabricated branch device 1.

The working principle is as follows: inserting a main cable wire 7 and a branch cable wire 8 from a cable insertion opening 2 of a prefabricated branching device 1, enabling the main cable wire 7 and the branch cable wire 8 to enter a connector 6, enabling a first movable clamping block 10 and a second movable clamping block 11 to move in a guide rail 12 through a sliding block 13 when the main cable wire 7 and the branch cable wire 8 penetrate through a groove 16, enabling a spring 15 to clamp the main cable wire 7 and the branch cable wire 8 through extrusion, enabling the main cable wire 7 and the branch cable wire 8 to stretch out from the cable insertion opening 2, installing the prefabricated branching device 1, the main cable wire 7 and the branch cable wire 8 together, and enabling the main cable wire 7 and the branch cable wire 8 to be connected together more conveniently and rapidly through the prefabricated branching device 1.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. Fire-retardant formula prefabricated branch cable, including prefabricated branching ware (1), its characterized in that: the cable branching device is characterized in that a cable insertion opening (2) is formed in the rear end of the prefabricated branching device (1), a cable output opening (3) is formed in the front end of the prefabricated branching device (1), the inner portions of the circumferences of the cable insertion opening (2) and the cable output opening (3) are penetrated through by a main cable wire (7) and a branch cable wire (8) and are in sliding connection, an outer protective layer (4) is arranged on the outer surface of the prefabricated branching device (1), a flame-retardant insulating layer (5) is arranged on the inner surface of the outer protective layer (4), and a connector (6) is fixedly connected to the inner end of the cable insertion opening (2).

2. The flame-retardant prefabricated branch cable according to claim 1, wherein: the connector (6) comprises a fixed clamping block (9), a first movable clamping block (10) and a second movable clamping block (11), the left end and the right end of the fixed clamping block (9) are fixedly connected to the inner wall of the connector (6), the first movable clamping block (10) is arranged above the fixed clamping block (9), and the second movable clamping block (11) is arranged below the fixed clamping block (9).

3. The flame retardant prefabricated drop cable of claim 2, wherein: the left end and the right end of the first movable clamping block (10) and the second movable clamping block (11) are fixedly connected with sliding blocks (13), and the outer surfaces of the sliding blocks (13) are connected to the inner wall of the guide rail (12) in a sliding mode.

4. The flame-retardant prefabricated branch cable according to claim 3, wherein: the outer wall of the guide rail (12) is fixedly connected to the inner wall of the connector (6).

5. The flame retardant prefabricated drop cable of claim 3, wherein: the upper end of the inner wall of the guide rail (12) is fixedly connected with a spring fixing rod (14), and the circumferential surface of the spring fixing rod (14) is fixedly connected with a spring (15).

6. The flame-retardant prefabricated branch cable according to claim 5, wherein: the lower end of the spring (15) is fixedly connected to the upper end of the sliding block (13).

7. The flame-retardant prefabricated branch cable according to claim 2, wherein: the upper top surface and the lower top surface of the fixed clamping block (9) are respectively provided with a groove (16), the lower top surface of the first movable clamping block (10) is provided with a groove (16), and the upper top surface of the second movable clamping block (11) is provided with a groove (16).

8. The flame-retardant prefabricated branch cable according to claim 1, wherein: the main cable (7) is penetrated through and slidably connected into a groove (16) on the fixed clamping block (9) and the first movable clamping block (10) on the circumferential surface, and the branch cable (8) is penetrated through and slidably connected into the groove (16) between the fixed clamping block (9) and the second movable clamping block (11) on the circumferential surface.

9. The flame retardant prefabricated drop cable of claim 7, wherein: the groove (16) is the same as the axis of the cable outlet (3).