CN213958618U

CN213958618U - Stretch-proofing copper core polyvinyl chloride insulation flame-retardant flexible electric wire

Info

Publication number: CN213958618U
Application number: CN202022805328.4U
Authority: CN
Inventors: 陈阿黑
Original assignee: Chongqing Jinniu Cable Co ltd
Current assignee: Chongqing Jinniu Cable Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-13
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a stretch-proofing copper core polyvinyl chloride insulating flame-retardant flexible electric wire, which comprises an outer protective sleeve, wherein a second fixing ring is fixedly arranged inside the outer protective sleeve, an inner protective sleeve is arranged inside the second fixing ring, a copper core electric wire main body is arranged inside the inner protective sleeve, a hard plate is fixedly arranged at the end part of the outer protective sleeve, a first clamping groove is formed inside the hard plate, and a second fixing ring is fixed on the outer surface of the inner protective sleeve through the bonding of glue solution; through the both ends design connecting rod and cardboard at first solid fixed ring and at the first draw-in groove of the internal design of hard board, can pass through the surface of interior lag of glue solution fixed mounting with first solid fixed ring, it is fixed with connecting rod and hard board in the inside of first draw-in groove through the cardboard block, close the knob soon with cardboard and hard board fixed mounting, lag and hard board stable connection in will this moment, make interior lag difficult for shortening when taut use, be convenient for protect the tip.

Description

Stretch-proofing copper core polyvinyl chloride insulation flame-retardant flexible electric wire

Technical Field

The utility model belongs to the technical field of the electric wire, concretely relates to stretch-proofing copper core polyvinyl chloride insulating flame-retardant flexible electric wire.

Background

The existing electric wire consists of one or more soft conducting wires, the outer surface of the existing electric wire is covered by a soft protective layer, the existing electric wire is usually small in core number, small in product diameter and simple in structure, and can be applied to different occasions in reality, so that the effects of wide application range and safe use are achieved; the inner protection sleeve is not convenient to control stably when the existing electric wire is used, the inner protection sleeve is easy to shorten when the existing electric wire is used in a tensioning mode, the insulation effect is affected, meanwhile, the inner protection sleeve is not convenient to install end in a sealing mode, and danger is caused by the fact that water easily enters the inner protection sleeve.

Disclosure of Invention

An object of the utility model is to provide an insulating fire-retardant flexible electric wire of stretch-proofing copper core polyvinyl chloride to propose the electric wire that has now in solving above-mentioned background art and be not convenient for internal lag stable control when using, lag shortens in easily causing when taut use, influences insulating effect, is not convenient for when using simultaneously to end seal installation, and the inside problem that causes danger of easily intaking.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an insulating fire-retardant flexible electric wire of copper core polyvinyl chloride of stretch-proofing, includes outer lag, the inside fixed mounting of outer lag has the solid fixed ring of second, the solid fixed ring's of second inside is provided with interior lag, the internally mounted of interior lag has copper core electric wire main part, the tip fixed mounting of outer lag has hard board, first draw-in groove has been seted up to the inside of hard board, the surface of interior lag is fixed with first solid fixed ring through the glue solution bonding, the equal fixed mounting in both ends of first solid fixed ring has the connecting rod, the tip integral type shaping of connecting rod has the cardboard, just the connecting rod with hard board passes through the cardboard with first draw-in groove block is connected, the surface of hard board closes soon and is connected with the knob, just the cardboard with hard board passes through knob fixed mounting.

Preferably, an inner waterproof sleeve is fixed at the end part of the inner protective sleeve through glue solution bonding, clamping bodies are integrally formed at two ends of the inner waterproof sleeve, second clamping grooves are formed in two sides of the second fixing ring, a pressing pad is fixed on the inner surface of each second clamping groove through glue solution bonding, the inner waterproof sleeve and the second fixing ring are connected through the clamping bodies and the second clamping grooves in a clamping mode, and the clamping bodies and the second fixing ring are connected through the pressing pad in a pressing mode.

Preferably, the clamping body and the second clamping groove are both arc-shaped structures, and the structure of the clamping body and the structure of the pressing pad are the same as the internal structure of the second clamping groove.

Preferably, the end part of the inner protection sleeve and the end part of the second fixing ring are tightly pressed by the inner waterproof sleeve, and the outer surface and the inner surface of the inner waterproof sleeve and the inner surface of the second fixing ring are in tight contact with the outer surface of the inner protection sleeve.

Preferably, the first clamping groove and the clamping plate are both of an L-shaped structure, and the clamping plate is matched with the inner structure of the first clamping groove.

Preferably, the knob is embedded in the hard plate, and an end of the knob penetrates through the clamping plate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) through the both ends design connecting rod at first solid fixed ring and cardboard and the first draw-in groove of the internal design of hard board, can pass through the surface of interior lag of glue solution fixed mounting with first solid fixed ring, it is fixed with connecting rod and hard board in the inside of first draw-in groove through the cardboard block, close the knob soon with cardboard and hard board fixed mounting, lag and hard board stable connection in will this moment, make interior lag difficult to shorten when taut use, be convenient for protect the terminal, the electric wire is convenient for to interior lag stable control when using, lag shortens when taut use easily causes, influence the problem of insulating effect.

(2) Waterproof cover in the surface design of lag in being located through the inside at the solid fixed ring of second, can be with the inside of card body block at the second draw-in groove, the effect through sticising the pad and taking place elastic deformation sticiss the inside of fixing at the solid fixed ring of second with the waterproof cover in with the card body, and with the solid fixed ring's of second internal surface and the surface sealing connection of interior lag in waterproof cover, be convenient for through interior lag to tip seal installation, inside is difficult for intaking when using in the external world, safe use, it is not convenient for to the end seal installation to have solved when using, inside easily intakes causes dangerous problem.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of a portion A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of a portion B of FIG. 2 according to the present invention;

fig. 4 is a schematic structural view of the copper core wire main body, the outer protective sleeve and the inner waterproof sleeve of the present invention;

fig. 5 is an enlarged schematic structural view of a portion C in fig. 4 according to the present invention;

in the figure: 1. a copper core wire body; 2. a hard plate; 3. an outer protective sleeve; 4. clamping a plate; 5. a connecting rod; 6. a first retaining ring; 7. an inner protective sleeve; 8. a first card slot; 9. a knob; 10. a second retaining ring; 11. an inner waterproof jacket; 12. pressing the pad; 13. a card body; 14. and a second card slot.

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, fig. 2, fig. 3, fig. 4 and fig. 5, the present invention provides a technical solution: a stretch-proofing copper core polyvinyl chloride insulating flame-retardant flexible electric wire comprises an outer protective sleeve 3, a second fixing ring 10 is fixedly mounted inside the outer protective sleeve 3, an inner protective sleeve 7 is arranged inside the second fixing ring 10, a copper core electric wire main body 1 is mounted inside the inner protective sleeve 7, a hard plate 2 is fixedly mounted at the end part of the outer protective sleeve 3, a first clamping groove 8 is formed inside the hard plate 2, a first fixing ring 6 is fixedly mounted on the outer surface of the inner protective sleeve 7 through glue solution adhesion, connecting rods 5 are fixedly mounted at two ends of the first fixing ring 6, clamping plates 4 are integrally formed at the end parts of the connecting rods 5, the connecting rods 5 and the hard plate 2 are connected with the first clamping groove 8 through the clamping plates 4 in a clamping mode, a knob 9 is connected to the surface of the hard plate 2 in a rotary-joint mode, the first fixing ring 6 can be fixedly mounted on the surface of the inner protective sleeve 7 through the glue solution, connecting rod 5 is fixed with hard board 2 in the inside of first draw-in groove 8 through 4 blocks of cardboard, closes knob 9 soon with cardboard 4 and hard board 2 fixed mounting, will interior lag 7 and hard board 2 stable connection this moment for interior lag 7 is difficult for shortening when taut use, is convenient for protect the tip.

In this embodiment, preferably, the end portion of the inner protective sleeve 7 is fixed with an inner waterproof sleeve 11 through glue solution bonding, two ends of the inner waterproof sleeve 11 are integrally formed with a clamp body 13, two sides of the second fixing ring 10 are both provided with second clamping grooves 14, the inner surface of the second clamping groove 14 is fixed with a pressing pad 12 through glue solution bonding, the inner waterproof sleeve 11 and the second fixing ring 10 are connected with the second clamping grooves 14 through the clamp body 13 in a clamping manner, the clamp body 13 and the second fixing ring 10 are connected with each other through the pressing pad 12 in a pressing manner, the clamp body 13 can be clamped inside the second clamping groove 14, the clamp body 13 and the inner waterproof sleeve 11 are fixed inside the second fixing ring 10 through the pressing pad 12 under elastic deformation, the inner surface of the inner waterproof sleeve 11 and the inner surface of the second fixing ring 10 are connected with the outer surface of the inner protective sleeve 7 in a sealing manner, the end portion can be conveniently sealed and installed through the inner protective sleeve 7, and water is not easy to enter inside when the outer boundary is used, the use is safe.

In order to facilitate the fastening and installation of the inner waterproof jacket 11 in the second fastening groove 14 by fastening the fastening body 13, in this embodiment, preferably, the fastening body 13 and the second fastening groove 14 are both arc-shaped structures, and the structures of the fastening body 13 and the pressing pad 12 are the same as the internal structure of the second fastening groove 14.

In order to facilitate sealing by avoiding tight contact between the inner waterproof jacket 11 and the second securing ring 10 and the inner protective sleeve 7, in this embodiment it is preferred that the end of the inner protective sleeve 7 and the end of the second securing ring 10 are tightly pressed by the inner waterproof jacket 11 and the outer surface and the inner surface of the inner waterproof jacket 11 and the inner surface of the second securing ring 10 are in tight contact with the outer surface of the inner protective sleeve 7.

In order to be convenient for connect connecting rod 5 in the inside of first draw-in groove 8 through 4 blocks of cardboard for hard board 2 and interior lag 7 stable connection control, in this embodiment, preferably, first draw-in groove 8 is L type structure with cardboard 4, and cardboard 4 and first draw-in groove 8's inner structure phase-match.

In order to facilitate the fixing and installation of the clamping plate 4 and the use of the fixing connection by the knob 9, in the embodiment, it is preferable that the knob 9 is embedded in the hard plate 2, and an end of the knob 9 penetrates through the clamping plate 4.

The utility model discloses a theory of operation and use flow: the tensile copper core polyvinyl chloride insulating flame-retardant flexible electric wire is characterized in that a clamping body 13 is clamped inside a second clamping groove 14 during installation, the clamping body 13 and an inner waterproof sleeve 11 are tightly pressed and fixed inside a second fixing ring 10 under the action of elastic deformation of a pressing pad 12, the inner surface of the inner waterproof sleeve 11 and the inner surface of the second fixing ring 10 are hermetically connected with the outer surface of an inner protection sleeve 7, the end portion is conveniently and hermetically installed through the inner protection sleeve 7, water is not easy to enter inside during external use, the wire is safe to use, then a first fixing ring 6 is fixedly installed on the surface of the inner protection sleeve 7 through glue solution, a connecting rod 5 and a hard plate 2 are fixed inside a first clamping groove 8 through a clamping plate 4 in a clamped mode, a clamping plate 4 and the hard plate 2 are fixedly installed through a screwing knob 9, the inner protection sleeve 7 is stably connected with the hard plate 2 at the moment, and the inner protection sleeve 7 is not easy to shorten during tensioning use, the end protection and stable use are facilitated.

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. The utility model provides an insulating fire-retardant flexible electric wire of stretch-proofing copper core polyvinyl chloride, includes outer lag (3), the inside fixed mounting of outer lag (3) has the solid fixed ring of second (10), the inside of the solid fixed ring of second (10) is provided with interior lag (7), the internally mounted of interior lag (7) has copper core electric wire main part (1), its characterized in that: the utility model discloses a protective sleeve, including outer lag (3), first solid board (2) of tip fixed mounting of outer lag (3), first draw-in groove (8) have been seted up to the inside of solid board (2), the surface of inner lag (7) is fixed with first solid fixed ring (6) through the glue solution bonding, the equal fixed mounting in both ends of first solid fixed ring (6) has connecting rod (5), the tip integral type shaping of connecting rod (5) has cardboard (4), just connecting rod (5) with solid board (2) pass through cardboard (4) with first draw-in groove (8) block is connected, the surface of solid board (2) closes soon and is connected with knob (9), just cardboard (4) with solid board (2) pass through knob (9) fixed mounting.

2. The stretch-resistant copper-core polyvinyl chloride insulated flame-retardant flexible electric wire according to claim 1, characterized in that: the end part of the inner protective sleeve (7) is fixedly provided with an inner waterproof sleeve (11) through glue solution adhesion, the two ends of the inner waterproof sleeve (11) are integrally formed to form a clamping body (13), the two sides of the second fixing ring (10) are provided with second clamping grooves (14), the inner surface of each second clamping groove (14) is fixedly provided with a pressing pad (12) through glue solution adhesion, the inner waterproof sleeve (11) is connected with the second fixing ring (10) through the clamping body (13) and the second clamping grooves (14) in a clamping mode, and the clamping body (13) is connected with the second fixing ring (10) through the pressing pad (12) in a pressing mode.

3. The stretch-resistant copper-core polyvinyl chloride insulated flame-retardant flexible electric wire according to claim 2, characterized in that: the clamp body (13) and the second clamping groove (14) are both arc-shaped structures, and the structures of the clamp body (13) and the pressing pad (12) are the same as the internal structure of the second clamping groove (14).

4. The stretch-resistant copper-core polyvinyl chloride insulated flame-retardant flexible electric wire according to claim 2, characterized in that: the end part of the inner protection sleeve (7) and the end part of the second fixing ring (10) are tightly pressed through the inner waterproof sleeve (11), and the outer surface and the inner surface of the inner waterproof sleeve (11) and the inner surface of the second fixing ring (10) are tightly pressed and contacted with the outer surface of the inner protection sleeve (7).

5. The stretch-resistant copper-core polyvinyl chloride insulated flame-retardant flexible electric wire according to claim 1, characterized in that: the first clamping groove (8) and the clamping plate (4) are both L-shaped structures, and the clamping plate (4) is matched with the inner structure of the first clamping groove (8).

6. The stretch-resistant copper-core polyvinyl chloride insulated flame-retardant flexible electric wire according to claim 1, characterized in that: the knob (9) is embedded in the hard plate (2), and the end part of the knob (9) penetrates through the clamping plate (4).