CN213635419U - Flexible bending-resistant flame-retardant cable - Google Patents

Abstract

The utility model provides a resistant crooked flame retarded cable of soft type, including outer protecting crust, cable core and protection inner shell, the cable core is located the inboard of outer protecting crust, and protection inner shell evenly distributed is in the outside of cable core, and the protection inner shell is connected with cable core parcel respectively to the surface of protection inner shell all is connected with the internal surface of outer protecting crust closely laminating, and both ends evenly distributed respectively about the protection inner shell is inboard have the bracing piece, and the one end of bracing piece all with the inseparable fixed connection of protection inner shell. This kind of resistant crooked flame retarded cable of flexible type passes through the improvement and the innovation overall arrangement of structure, makes this device when in actual use, can make cable itself play good resistant bending nature, keeps certain compliance simultaneously, makes this device can not reduce the resistant bending nature of cable along with the ageing wearing and tearing of time and cable, and the good thermal diffusivity has simultaneously in the good reliability of use, is fit for using widely.

Description

Flexible bending-resistant flame-retardant cable

Technical Field

The utility model belongs to the technical field of the power cable technique and specifically relates to a resistant crooked flame retarded cable of soft type is related to.

Background

Cables are classified into power cables, communication cables, control cables, etc. according to their use, and generally, they are cable-like cables formed by twisting several or several groups of wires, each group of wires being insulated from each other and often twisted around a center, the entire outer surface being covered with a highly insulating cover, and a plurality of cables being erected in the air or installed underground or underwater for telecommunication or power transmission.

The flame retardant cable in real life is easy to be frequently bent and moved when being used in an industrial environment, and how to ensure the high flexibility and the bending resistance of the cable is a subject of discussion in the industry.

Accordingly, there is a need for upgrading and retrofitting existing flame retardant cables to overcome existing problems and deficiencies.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a resistant crooked flame retarded cable of soft type to solve the shortcoming that exists among the prior art.

The above object is solved by the following technical solutions:

a flexible bending-resistant flame-retardant cable comprises an outer protective shell, a cable core and a protective inner shell, wherein the cable core is positioned on the inner side of the outer protective shell, the protective inner shell is uniformly distributed on the outer side of the cable core and is respectively wrapped and connected with the cable core, the outer surface of the protective inner shell is tightly attached and connected with the inner surface of the outer protective shell, supporting rods are respectively and uniformly distributed at the left end and the right end of the inner side of the protective inner shell, one ends of the supporting rods are respectively and fixedly connected with the protective inner shell, an attaching plate is arranged on one side of each supporting rod, one end of each attaching plate is respectively and fixedly connected with the supporting rods, one end of each attaching plate is attached and connected with the cable core, connecting inner grooves are respectively and uniformly distributed at the left side and the right side of the cable core, one ends of the connecting inner grooves are respectively and penetratingly connected with the, the exhaust opening has all been seted up to one side of connecting the inside groove, and the one end of connecting the inside groove all sets up with exhaust opening intercommunication, one side of connecting the inside groove all is equipped with dustproof thin net, and the upper and lower both ends of dustproof thin net respectively with be connected inside groove fixed connection.

Preferably, the exhaust port is longitudinal arrangement respectively in proper order and distributes, and the exhaust port all is located the inboard middle part of outer protective case to the one end of exhaust port all is separated by 0.6cm with the edge of outer protective case.

Preferably, the laminating board of left and right sides evenly distributed's cross section all is rectangular form, and arranges in proper order with 1.3 cm's interval between evenly distributed's the laminating board and distributes the setting.

Preferably, the cross section of the support rod is in a V-shaped structure.

Preferably, the distance between the adjacent protective inner shells is 36-45 cm.

Has the advantages that:

(1) this kind of resistant crooked flame retarded cable of flexible type passes through the improvement and the innovation overall arrangement of structure, makes this device when in actual use, can make cable itself play good resistant bending nature, keeps certain compliance simultaneously, makes this device can not reduce the resistant bending nature of cable along with the ageing wearing and tearing of time and cable, and the good thermal diffusivity has simultaneously in the good reliability of use, is fit for using widely.

(2) The flexible bending-resistant flame-retardant cable has the advantages that: this device is through the structural configuration of innovation, divide into the overall arrangement of interior middle and outer three-layer with the cable, can protect internal member to avoid by wearing and tearing, if this cable is when being crooked because of the requirement of industrial service environment, because the interval between the adjacent protection inner shell is between 36-45cm, and because the transverse section of the laminating board of left and right sides evenly distributed all is rectangular form and evenly distributed separates the distribution setting in proper order with 1.3 cm's interval between the laminating board respectively, and because the transverse section of bracing piece all is the V-arrangement, make the cable when being crooked, can exert the support to evenly distributed laminating board through evenly distributed bracing piece, and then make the laminating board increase the pressure application to the cable core, make the laminating board can exert good support to the cable core at each different angle, and then when the cable is crooked, can promote the bending resistance of cable.

(3) Secondly, the method comprises the following steps: because half of the thickness of dustproof fine net all is located one side of cable core, and because the one end of connecting the inside groove all with cable core through connection and the other end of being connected the inside groove respectively with outer protective case through connection, and because the one end of exhaust opening all is separated by 0.6cm with the edge of outer protective case, make this device when in actual use, under the effect of external air current, the inside heat accessible evenly distributed's of cable connection inside groove spreads into exhaust opening department, and then outer row after attracting heat gas, and can play dustproof effect through the dustproof fine net that is equipped with, inside in order to avoid external dust to enter into the cable core with the help of the exhaust opening, the service quality of cable has been protected.

Drawings

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

Fig. 2 is a schematic structural view of the support rod and the attachment plate of the present invention.

Fig. 3 is a schematic view of the structure of the exhaust port and the connecting inner groove of the present invention.

Fig. 4 is a schematic view of the dustproof fine mesh structure of the present invention.

In FIGS. 1-4: 1-outer layer protecting shell; 101-an exhaust port; 2-a cable core; 201-connecting the inner tank; 2011-dust screen; 3-protecting the inner shell; 301-support bars; 302-fitting plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.

Please refer to fig. 1 to fig. 4: the embodiment provides a flexible bending-resistant flame-retardant cable, which comprises an outer protective shell 1, a cable core 2 and a protective inner shell 3, wherein the cable core 2 is positioned at the inner side of the outer protective shell 1, the protective inner shell 3 is uniformly distributed at the outer side of the cable core 2, the protective inner shell 3 is respectively wrapped and connected with the cable core 2, the outer surface of the protective inner shell 3 is tightly attached and connected with the inner surface of the outer protective shell 1, supporting rods 301 are respectively and uniformly distributed at the left end and the right end of the inner side of the protective inner shell 3, one end of each supporting rod 301 is tightly and fixedly connected with the corresponding protective inner shell 3, an attaching plate 302 is arranged at one side of each supporting rod 301, one end of each attaching plate 302 is respectively and fixedly connected with the corresponding supporting rod 301, one end of each attaching plate 302 is attached and connected with the cable core 2, connecting inner grooves 201 are respectively and uniformly distributed at the left side and, and the other end of connecting inside groove 201 is respectively with outer protecting casing 1 through connection, exhaust port 101 has all been seted up to one side of connecting inside groove 201, and the one end of connecting inside groove 201 all communicates the setting with exhaust port 101, and one side of connecting inside groove 201 all is equipped with dustproof fine mesh 2011, and the upper and lower both ends of dustproof fine mesh 2011 respectively with be connected inside groove 201 fixed connection.

Further, half of the thickness of dustproof fine mesh 2011 all is located one side of cable core 2, through this kind of design, can play dustproof effect to outside dust enters into inside cable core 2 with the help of exhaust port 101, has protected the service quality of cable.

Further, exhaust port 101 is longitudinal arrangement respectively in proper order and distributes, and exhaust port 101 all is located the inboard middle part of outer protective case 1 to the one end of exhaust port 101 all is separated by 0.6cm with the edge of outer protective case 1, makes this device when in actual use, and under the effect of external air current, the inside heat accessible evenly distributed's of cable connection inside groove 201 spreads into exhaust port 101 department, and then attracts the heat gas back outer row, has promoted the thermal diffusivity.

Further, the laminating board 302 of left and right sides evenly distributed's cross section all is rectangular form, and arranges the distribution setting in proper order with 1.3 cm's interval respectively between the laminating board 302 of evenly distributed, but the messenger laminating board 302 of multi-angle is exerted pressure to the laminating of cable core 2, makes laminating board 302 can exert good support to the cable core at each different angle.

Furthermore, the cross section of the supporting rod 301 is in a V-shaped structure, and through the design, the supporting rod 301 can support the attaching plate 302 at the upper end and the lower end, thereby further ensuring the stability of the attaching and pressing of the attaching plate 302 on the cable core 2.

Furthermore, the distance between the adjacent protective inner shells 3 is 36-45cm, and the cable can be kept in a certain soft type under the condition of ensuring good bending resistance through a certain distance design, so that the cable cannot be too tight, and the practicability is high.

The working principle is as follows:

when the cable receives the bending because of the operational environment, the bending force accessible outer protective housing 1 conducts to evenly distributed's bracing piece 301, and then further shift to evenly distributed's laminating board 302 on, and bracing piece 301 through evenly distributed can exert the support to evenly distributed's laminating board 302, and then make laminating board 302 strengthen exerting the pressure to the cable core, make laminating board 302 can exert good support to cable core 2 at each different angle, and then when the cable is crooked, can promote the bending resistance of cable, and simultaneously, under the effect of outside air current, the inside heat accessible evenly distributed's of cable connecting inside groove 201 spreads into exhaust opening 101 department, and then outside the heat gas is attracted the back, the thermal diffusivity has been promoted.

Although the present invention has been described with reference to the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is capable of other modifications and variations without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (5)

1. The utility model provides a resistant crooked flame retarded cable of soft type, includes outer protecting crust (1), cable core (2) and protection inner shell (3), its characterized in that, cable core (2) are located the inboard of outer protecting crust (1), protection inner shell (3) evenly distributed is in the outside of cable core (2), and protection inner shell (3) are connected with cable core (2) parcel respectively, and the surface of protection inner shell (3) all is connected with the internal surface inseparable laminating of outer protecting crust (1), both ends evenly distributed respectively about protection inner shell (3) inboard have bracing piece (301), and the one end of bracing piece (301) all with protection inner shell (3) inseparable fixed connection, one side of bracing piece (301) all is equipped with attaching plate (302), and the one end of attaching plate (302) respectively with bracing piece (301) fixed connection, and the one end of attaching plate (302) all is connected with cable core (2) laminating, the utility model discloses a cable core, including cable core (2), the left and right sides of cable core (2) respectively evenly distributed have connect inside groove (201), and the one end of connecting inside groove (201) all with cable core (2) through connection to the other end of connecting inside groove (201) respectively with outer protecting crust (1) through connection, exhaust opening (101) have all been seted up to one side of connecting inside groove (201), and the one end of connecting inside groove (201) all with exhaust opening (101) intercommunication setting, one side of connecting inside groove (201) all is equipped with dustproof thin net (2011), and the upper and lower both ends of dustproof thin net (2011) respectively with be connected inside groove (201) fixed connection.

2. The flexible bending-resistant flame-retardant cable according to claim 1, wherein the air-vent ports (101) are respectively arranged longitudinally in sequence, the air-vent ports (101) are all located in the middle of the inner side of the outer sheath (1), and one end of each air-vent port (101) is spaced 0.6cm from the edge of the outer sheath (1).

3. The flexible bending-resistant flame-retardant cable according to claim 1, wherein the left and right evenly distributed attached plates (302) have a rectangular cross section, and the evenly distributed attached plates (302) are sequentially arranged at a distance of 1.3 cm.

4. The flexible bend-resistant flame-retardant cable of claim 1, wherein the cross-sections of the support rods (301) are each in a V-shaped configuration.

5. The flexible bend-resistant flame-retardant cable of claim 1, wherein the spacing between adjacent inner protective housings (3) is between 36-45 cm.

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