Self-adhesion type three-layer insulation silver-plated copper conductor stranded wire
Technical Field
The utility model relates to the technical field of electric wire, especially, relate to a self-adhesion type three-layer insulation silvered copper conductor stranded wire.
Background
The three-layer insulated wire is also called triple insulated wire, and is a high-performance insulated wire newly developed internationally in recent years. The conductor has three layers of insulation with a core in the middle. The structure of the three-layer insulated wire is divided into three types: the insulating layer material of the standard type, the self-adhesive type and the twisted type can be selected from soft soldering polyester heat-resistant resin and polyamide resin, and the insulating layer material has good electrical performance. The self-adhesive three-layer insulation silver-plated copper conductor stranded wire combines the advantages of a self-adhesive type and a stranded wire type, and is widely used. However, the two ends of the existing stranded wire are wrapped by the insulating layer and the self-adhesive layer, and when the wire is connected, the wrapped insulating layer and the wrapped self-adhesive layer need to be removed by means of a cutter or scissors, so that the wire is troublesome, and the insulating layer and the self-adhesive layer are easy to be removed too much or too little by a user, so that the installation of the stranded wire is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the wiring of the self-adhesion type three-layer insulation silver-plated copper conductor stranded wire is troublesome among the prior art, and the self-adhesion type three-layer insulation silver-plated copper conductor stranded wire that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a self-adhesive three-layer insulation silver-plated copper conductor stranded wire comprises an inner core, wherein a first insulating layer, a second insulating layer and a third insulating layer are sequentially coated on the outer annular side wall of the inner core from inside to outside, the third insulating layer is wrapped by a self-adhesive layer, the outer annular side walls at the two ends of the inner core are both provided with a telescopic mechanism, the telescopic mechanism comprises a protective sleeve, a chute, a sliding block and a connecting pipe, the protective sleeve is sleeved on the outer annular side wall of the inner core, the inner annular side wall of the protective sleeve is symmetrically provided with sliding chutes which are connected with the sliding blocks in a sliding way, one ends of the two sliding blocks opposite to each other penetrate through the notches of the sliding chutes and extend into the protective sleeve, and are jointly and fixedly connected on the outer annular side wall of the connecting pipe, one end of the connecting pipe far away from the protective sleeve is fixedly connected with the self-adhesive layer, the connecting pipe sleeve is arranged on the outer annular side wall of the inner core, and the fixing mechanism is arranged on the annular side wall of the protective sleeve far away from the connecting pipe.
Preferably, fixed establishment includes elasticity ring, ring channel and reduces the retainer plate, the port has been seted up on the protection sleeve annular side wall, two port departments of protection sleeve pass through elasticity ring fixed connection, the outer annular side wall of elasticity ring inner annular side wall and inner core offsets, the ring channel is seted up on the outer annular side wall of elasticity ring, the cover is established in the ring channel and is reduced the retainer plate, it offsets with the ring channel tank bottom to reduce the inner annular side wall of retainer plate.
Preferably, a sealing cover is stuck to one end of the protective sleeve, which is far away from the connecting pipe.
Preferably, the inner core is formed by twisting a plurality of silver-plated conductors.
Preferably, the diameter of the connecting pipe is equal to that of the self-adhesive layer, and the diameter of the protective sleeve is slightly larger than that of the connecting pipe.
Preferably, a handle is fixedly connected to the outer annular sidewall of the compression retainer ring.
Compared with the prior art, the utility model provides a self-adhesion type three-layer insulation silvered copper conductor stranded wire possesses following beneficial effect:
this self-adhesion type three-layer insulation silver-plated copper conductor stranded wire through setting up inner core, telescopic machanism and fixed establishment, through the position that removes the protective sheath, adjusts out the inner core and exposes suitable length, need not to get rid of partial insulating layer and self-adhesion layer with the help of the instrument, and can adjust the length that exposes the inner core, the installation of the self-adhesion type three-layer insulation silver-plated copper conductor stranded wire of being convenient for.
The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses need not to get rid of partial insulation layer and self-adhesion layer with the help of the instrument, and can adjust the length that exposes the inner core, the installation of the self-adhesion type three-layer insulation silvered copper conductor stranded wire of being convenient for.
Drawings
Fig. 1 is a schematic structural diagram of a self-adhesive three-layer insulated silver-plated copper conductor stranded wire provided by the present invention;
fig. 2 is a sectional view taken along line a-a in fig. 1.
In the figure: the sealing structure comprises an inner core 1, a first insulating layer 2, a second insulating layer 3, a third insulating layer 4, a self-adhesive layer 5, a telescopic mechanism 6, a protective sleeve 61, a sliding groove 62, a sliding block 63, a connecting pipe 64, a fixing mechanism 7, an elastic ring 71, an annular groove 72, a tightening fixing ring 73, a sealing cover 8 and a handle 9.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a self-adhesive three-layer insulation silver-plated copper conductor stranded wire, comprising an inner core 1, wherein a first insulation layer 2, a second insulation layer 3 and a third insulation layer 4 are sequentially wrapped on an outer annular side wall of the inner core 1 from inside to outside, a self-adhesive layer 5 is wrapped on the third insulation layer 4, telescoping mechanisms 6 (the other end of the inner core 1 is not shown) are respectively installed on the outer annular side walls at two ends of the inner core 1, each telescoping mechanism 6 comprises a protective sleeve 61, a sliding groove 62, a sliding block 63 and a connecting pipe 64, the protective sleeve 61 is sleeved on the outer annular side wall of the inner core 1, the sliding grooves 62 are symmetrically arranged on the inner annular side wall of the protective sleeve 61, the sliding grooves 62 are slidably connected with the sliding blocks 63, opposite ends of the two sliding blocks 63 penetrate through a groove 62 and extend into the protective sleeve 61 and are fixedly connected to the outer annular side wall of, the connecting tube 64 is sleeved on the outer annular side wall of the inner core 1, and the fixing mechanism 7 is installed on the annular side wall of the protective sleeve 61 far away from the connecting tube 64.
The fixing mechanism 7 comprises an elastic ring 71, an annular groove 72 and a contraction fixing ring 73, a port is arranged on the annular side wall of the protective sleeve 61, two ports of the protective sleeve 61 are fixedly connected through the elastic ring 71, the inner annular side wall of the elastic ring 71 is abutted against the outer annular side wall of the inner core 1, the annular groove 72 is arranged on the outer annular side wall of the elastic ring 71, the contraction fixing ring 73 is sleeved in the annular groove 72, the inner annular side wall of the contraction fixing ring 73 is abutted against the groove bottom of the annular groove 72, when the stranded wire is needed to be used, the contraction fixing ring 73 is driven to deform, the contraction fixing ring 73 is pulled out of the annular groove 72, the contraction fixing ring 73 is taken out, the sliding protective sleeve 61 drives the sliding block 63 to slide in the sliding groove 62, the elastic ring 71 slides on the inner core 1, the proper length of the exposed inner core 1 is adjusted by moving the position of, make elastic ring 71 offset with the outer annular lateral wall of inner core 1, fixed with protective sheath 61, need not to remove partial insulating layer and self-adhered layer 5 with the help of the instrument, and can adjust the length that exposes inner core 1, the installation of the three-layer insulation silver-plated copper conductor stranded wire of the self-adhesion type of being convenient for.
The end of the protective sleeve 61 away from the connecting pipe 64 is adhered with a sealing cover 8, so that the stranded wire is prevented from being stored, and moisture and dust are prevented from contacting the inner core.
The inner core 1 is formed by twisting a plurality of silver-plated conductors, so that the conductivity of the inner core is improved.
The diameter of the connecting tube 64 is equal to that of the self-adhesive layer 5, so that the appearance is more attractive, and the diameter of the protective sleeve 61 is slightly larger than that of the connecting tube 64, so that the sliding of the protective sleeve 61 on the connecting tube 64 is facilitated.
The handle 9 is fixedly connected to the outer annular side wall of the tightening retainer ring 73, so that the tightening retainer ring 73 can be conveniently taken out and installed.
The utility model discloses in, when needs use this stranded wire, tear sealed lid 8, pulling handle 9, it takes place deformation to drive to reduce retainer plate 73, to reduce retainer plate 73 and pull out ring channel 72, it is taken out to reduce retainer plate 73, slip protective sheath 61, it slides in spout 62 to drive slider 63, elasticity ring 71 slides on inner core 1, position through removing protective sheath 61, adjust out inner core 1 and expose suitable length, to reduce retainer plate 73 again and embolia in ring channel 72, make elasticity ring 71 offset with the outer annular side wall of inner core 1, it is fixed with protective sheath 61, need not to get rid of partial insulating layer and self-adhesion layer 5 with the help of the instrument, and can adjust the length that exposes inner core 1, the installation of the self-adhesion type three-layer insulation silver-plated copper conductor stranded wire of being convenient for.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.