CN210865688U

CN210865688U - Cable stable in use

Info

Publication number: CN210865688U
Application number: CN201920854558.4U
Authority: CN
Inventors: 王世平
Original assignee: Kunming Xing Yun Wire & Cable Manufacturing Co ltd
Current assignee: Xingyun Cable Group Co.,Ltd.
Priority date: 2019-06-08
Filing date: 2019-06-08
Publication date: 2020-06-26
Anticipated expiration: 2029-06-08

Abstract

The utility model belongs to the technical field of the cable, a use stable cable is disclosed, including elasticity spacing core, sinle silk, band, shielding layer, insulating cover and the sheath that sets gradually from inside to outside, and the shielding layer is the semiconductor polyethylene membrane cover, elasticity spacing core is including three elasticity adhesive tape and the spacing of being the setting of annular array, elasticity adhesive tape is fixed in the tip of spacing, set up the spacing groove on one side outer wall of spacing, and spacing groove and sinle silk block are connected, the utility model discloses in utilize elasticity spacing core effectively to realize the positioning action of each sinle silk to avoid producing the phenomenon of mutual extrusion mutual interference between the multi-thread core of cable inside; in addition, the elastic limiting core also provides a certain deformation space for each wire core under the condition of stress or thermal expansion and cold contraction, so that the problem that the whole cable is broken due to overlarge stress or overlarge thermal expansion amount is solved.

Description

Cable stable in use

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to use stable cable.

Background

The cable is a lead which is made of one or more mutually insulated conductors and an outer insulation protective layer and transmits electric power or information from one place to another place, so that the prior cable is mostly of a multi-core structure, and most of wire cores are distributed in the inner part of a cable jacket structure in an annular array mode;

in the cable structure, the problem of poor stability among the wire cores exists, so that the wire cores are easy to extrude or wear mutually; when the cable is subjected to external pressure or generates certain heat after being electrified for use, one or more wire cores inside the cable can generate certain deformation, so that the extrusion or abrasion degree is further expanded, and the phenomenon that the whole cable is easy to expand and break or damage is caused;

in addition, in the process of transporting or laying the existing cable, the phenomenon that the cable body is extruded by an external object or the cable body moves relative to the ground or the object is easy to occur, and under the phenomenon, moving friction is formed between the cable jacket and the ground or the object, so that the cable jacket is worn, the actual service life of the cable is influenced, and even potential safety hazards such as electric leakage occur at the worn part.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a use stable cable to solve current multicore cable and have the inner structure stability not enough, appear the problem of mutual extrusion or wearing and tearing easily, and cable jacket wearability is relatively poor, influences the life and the safety in utilization of cable.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a use stable cable, includes spacing core of elasticity, sinle silk, band, shielding layer, insulating boot and the sheath that from interior to exterior set gradually, and the shielding layer is semiconductor polyethylene film cover, the spacing core of elasticity is including three elasticity adhesive tape and the spacing that is the setting of annular array, the elasticity adhesive tape is fixed in the tip of spacing, the spacing groove has been seted up on one side outer wall of spacing, and the spacing groove is connected with sinle silk block, adjacent two all be connected with the elastic support subassembly between the spacing, and the elastic support subassembly is elastic rubber cover or spring wherein one kind.

Preferably, the outer wall of one side of the elastic rubber strip is provided with a connecting bulge, the end part of the limiting strip is provided with a connecting clamping groove, and the connecting clamping groove is connected with the connecting bulge in a clamping manner.

Preferably, the connecting clamping groove is filled with a hot melt adhesive, and the elastic adhesive strip is connected with the limiting strip in an adhesive manner through the hot melt adhesive.

Preferably, be equipped with the wearing layer on the exterior wall of sheath, the wearing layer includes a plurality of ball, a plurality of recess has been seted up to the equidistance on the outer wall of sheath, and a plurality of ball imbeds respectively in the inside of a plurality of recess.

Preferably, a refractory filler is filled between the two adjacent wire cores, and the refractory filler is composed of granular refractory sponge.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model effectively realizes the positioning function of each wire core by utilizing the elastic limiting core, thereby avoiding the phenomenon of mutual extrusion and mutual interference between the multi-wire cores in the cable, and improving the stability of the internal structure of the whole cable; in addition, above-mentioned spacing core of elasticity still provides certain deformation space for each sinle silk under atress or expend with heat and contract with cold's the condition to avoid whole cable to appear the atress too big or the volume of expanding with heat is too big and the problem that breaks appears, further improve cable structure's stable effect.

(2) To above-mentioned spacing core of elasticity, adopt the mode formation of block location and bonding connection to fix between its corresponding structure, reduce the shaping degree of difficulty of the spacing core of elasticity under the accurate fashioned prerequisite of guaranteeing the spacing core of elasticity.

(3) The utility model discloses the wearing layer has been set up, and this wearing layer comprises the ball that has multi freedom pivoted, and produced removal friction conversion is rolling friction when removing the cable or receiving the extrusion of external object to make the removal of cable body or the relative movement between cable and the external object more convenient, reach effectual wear-resisting effect with this, prolong the life of cable and improve the safety in utilization of cable.

Drawings

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

fig. 2 is a front view of the elastic limiting core of the present invention;

FIG. 3 is a schematic structural view of a wear-resistant layer of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 2;

in the figure: 1-elastic limiting core, 2-wire core, 3-wrapping tape, 4-shielding layer, 5-insulating sleeve, 6-sheath, 7-wear layer, 8-fire-resistant filler, 9-limiting groove, 10-elastic adhesive tape, 11-limiting strip, 12-elastic supporting component, 13-groove, 14-ball, 15-connecting clamping groove, 16-hot melt adhesive and 17-connecting projection.

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. 1-4, the present invention provides the following technical solutions: the utility model provides a use stable cable, include the spacing core 1 of elasticity that from interior to exterior set gradually, sinle silk 2, band 3, shielding layer 4, insulating cover 5 and sheath 6, and shielding layer 4 is the semiconductor polyethylene film cover, the spacing core 1 of elasticity is including three elasticity adhesive tape 10 and the spacing strip 11 that is the setting of annular array, elasticity adhesive tape 10 is fixed in the tip of spacing strip 11, spacing groove 9 has been seted up on one side outer wall of spacing strip 11, and spacing groove 9 is connected with sinle silk 2 block, all be connected with elastic support component 12 between two adjacent spacing strips 11, and elastic support component 12 is one of them of elastic rubber cover or spring.

As shown in fig. 1-2, the three wire cores 2 are respectively positioned in the limiting grooves 9 of the three limiting strips 11, so that the installation positions of the wire cores 2 are effectively limited, and the phenomenon that the wire cores 2 are mutually extruded or abraded is avoided; simultaneously elastic movement between three spacing 11 can also effectively provide certain buffer space for the deformation of each sinle silk 2, it is concrete, use a sinle silk 2 to receive external force extrusion or produce the temperature rise when producing the thermal expansion deformation as an example, a sinle silk 2 is to the spacing 11 application pressure of contact with it, thereby make this spacing 11 be close to two other spacing 11, provide deformation space for the deformation of a sinle silk 2, meanwhile, this spacing 11 produces the extrusion to the elastic adhesive tape 10 at both ends and two sets of elastic support component 12 of being connected with it, thereby make this spacing 11 receive certain resilience effect, so that realize the reset effect after the deformation.

In this embodiment, preferably, a connecting protrusion 17 is arranged on an outer wall of one side of the elastic rubber strip 10, a connecting clamping groove 15 is formed in an end portion of the limiting strip 11, and the connecting clamping groove 15 is connected with the connecting protrusion 17 in a clamping manner.

In this embodiment, preferably, the connection clamping groove 15 is filled with a hot melt adhesive 16, and the elastic adhesive strip 10 is bonded to the limiting strip 11 through the hot melt adhesive 16.

As shown in fig. 2 and 4, when the elastic spacing core 1 is produced, three elastic rubber strips 10 and spacing strips 11 with the same structure are selected, and then the ends of two adjacent spacing strips 11 are connected through the elastic rubber strips 10, wherein the specific connection operation is as follows: filling molten hot melt adhesive 16 into the connecting clamping grooves 15 at the end parts of the limiting strips 11, then respectively clamping the two connecting protrusions 17 at one side of the elastic adhesive strip 10 into the connecting clamping grooves 15 at the end parts of the two adjacent limiting strips 11, so that the hot melt adhesive 16 is filled into gaps between the connecting protrusions 17 and the connecting clamping grooves 15, completing connection when the hot melt adhesive 16 is cooled, and finally clamping the elastic supporting component 12 between the two adjacent limiting strips 11, thereby further improving the elastic effect of the elastic limiting core 1, namely assembling the complete integral structure;

the whole operation is simple, the processing of the elastic limiting core 1 is convenient to carry out, and meanwhile, the accuracy of the positioning of each structure can be effectively guaranteed.

In this embodiment, preferably, the outer wall of the sheath 6 is provided with the wear-resistant layer 7, the wear-resistant layer 7 includes a plurality of balls 14, a plurality of grooves 13 are formed in the outer wall of the sheath 6 at equal intervals, and the plurality of balls 14 are respectively embedded in the plurality of grooves 13.

As shown in fig. 3, most of the structure of the ball 14 is embedded in the groove 13, so as to ensure that the ball 14 can form a stable installation while rotating effectively; the ball 14 is a spherical structure, so that the ball 14 has a multidirectional rotation effect;

specifically, when the cable or the cable and other external objects are moved on the ground to generate friction, the moving friction is converted into rolling friction through rolling of the balls 14, so that the difficulty of moving the cable is reduced, meanwhile, the abrasion generated in the moving process can be effectively reduced, and a good abrasion-resistant effect is achieved.

In this embodiment, preferably, the fire-resistant filler 8 is filled between two adjacent cable cores 2, and the fire-resistant filler 8 is composed of granular fire-resistant sponge, so as to further improve the positioning effect of each cable core 2, and simultaneously, the whole cable has certain fire resistance.

To sum up, according to the above-disclosed structure, when the overall cable is specifically produced, the flow is as follows: (1) the elastic limiting core 1 and each wire core 2 are produced independently; (2) assembling the elastic limiting cores 1 and the wire cores 2, and filling refractory fillers 8 between the adjacent wire cores 2; (3) wrapping a wrapping belt 3 outside the wire core 2 and the refractory filler 8; (4) wrapping a semi-conductive polyethylene film sleeve outside the wrapping tape 3 so as to form a shielding layer 4; (5) wrapping an insulating rubber film outside the shielding layer 4 to form an insulating sleeve 5; (6) the rubber sleeve with the wear resistant layer 7 is wrapped outside the insulating sleeve 5 to form the sheath 6.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A usage-stable cable, characterized by: including spacing core of elasticity (1), sinle silk (2), band (3), shielding layer (4), insulating cover (5) and sheath (6), shielding layer (4) are the semiconductor polyethylene membrane cover, spacing core of elasticity (1) is including three elasticity adhesive tape (10) and spacing (11) that are the annular array setting, the tip of spacing (11) is fixed in elasticity adhesive tape (10), spacing groove (9) have been seted up on one side outer wall of spacing (11), and spacing groove (9) are connected with sinle silk (2) block, adjacent two all be connected elasticity supporting component (12) between spacing (11), and elasticity supporting component (12) are one of them kind of elasticity rubber sleeve or spring.

2. A usage-stabilized cable according to claim 1, characterized in that: the elastic rubber strip is characterized in that a connecting protrusion (17) is arranged on the outer wall of one side of the elastic rubber strip (10), a connecting clamping groove (15) is formed in the end portion of the limiting strip (11), and the connecting clamping groove (15) is connected with the connecting protrusion (17) in a clamping mode.

3. A usage-stabilized cable according to claim 2, characterized in that: the connecting clamping groove (15) is filled with hot melt adhesive (16), and the elastic adhesive strip (10) is connected with the limiting strip (11) in an adhering mode through the hot melt adhesive (16).

4. A usage-stabilized cable according to claim 1, characterized in that: be equipped with wearing layer (7) on the exterior wall of sheath (6), wearing layer (7) include a plurality of ball (14), a plurality of recess (13) have been seted up to the equidistance on the outer wall of sheath (6), and a plurality of ball (14) imbed respectively in the inside of a plurality of recess (13).

5. A usage-stabilized cable according to claim 1, characterized in that: and a refractory filler (8) is filled between every two adjacent wire cores (2), and the refractory filler (8) is composed of granular refractory sponge.