CN211350141U

CN211350141U - Insulating cable difficult to break in bending

Info

Publication number: CN211350141U
Application number: CN201921999138.1U
Authority: CN
Inventors: 陈伟乐; 肖翠玉; 梁国超
Original assignee: Zhuhai Yuxun Coaxial Cable Co Ltd
Current assignee: Zhuhai Yuxun Coaxial Cable Co Ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-08-25
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a crooked difficult cracked insulated cable, including the crust, the crust surface has acrylic acid resin layer, insulating layer and thermoplastic polyurethane elastic layer in the even coating in proper order, and the inside central authorities of crust position fixedly connected with holding ring, the lower extreme middle part is provided with a set of cable main part on the holding ring, and a set of branch pipe of holding ring upper and lower end middle part fixedly connected with, the middle part has a set of fixture block through third expanding spring connection in the branch pipe, and the fixture block is connected with the draw-in groove joint that the lower extreme middle part set up on the inside both ends of crust, electrically conductive hole has been seted up in the positive surface front end middle section of cable main part, electrically conductive hole inside both sides are connected with first spacing clamp and second spacing clamp respectively through. The utility model discloses a set up first spacing clamp, the spacing clamp of second, fixture block, draw-in groove, acryl resin layer, insulating layer and thermoplastic polyurethane elastic layer structure, have the cable of being convenient for and connect the electric installation, extension cable life's advantage.

Description

Insulating cable difficult to break in bending

Technical Field

The utility model relates to the technical field of cables, specifically be a crooked difficult cracked insulated cable.

Background

The cable is usually made of one or more mutually insulated conductors and an outer insulating protective layer, the conductors transmit power or information from one place to another place, each group of conductors are mutually insulated and are usually twisted around a center, the whole outer surface is coated with a highly insulating coating, the cable has the characteristics of internal electrification and external insulation, and the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a crooked difficult cracked insulated cable to solve the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a crooked difficult cracked insulated cable, includes the crust, the crust surface evenly coats in proper order has acrylic resin layer, insulating layer and thermoplastic polyurethane elastic layer, and the inside central authorities of crust fixedly connected with holding ring, the lower extreme middle part is provided with a set of cable main part on the holding ring, and a set of branch pipe of holding ring upper and lower end middle part fixedly connected with, the middle part has a set of fixture block through third expanding spring connection in the branch pipe, and the fixture block is connected with the draw-in groove joint that the lower extreme middle part set up on the inside both ends of crust, electrically conductive hole has been seted up in the positive surface front end middle section of cable main part, electrically conductive downthehole inside both sides are connected with first spacing clamp and second spacing clamp respectively through second expanding spring, and first spacing clamp is.

Preferably, the upper end of the conductive hole is in threaded connection with an insulating protective cover, and the central position of the upper end of the insulating protective cover is fixedly connected with an insulating handle.

Preferably, a group of through holes are formed in the central positions of the upper portion and the lower portion of the outer end of the positioning ring, and the cable main body extends out of the positioning ring through the through holes.

Preferably, the second limiting clamp extends into the middle section of the interior of the first limiting clamp, and two ends of the inner side of the second limiting clamp are connected with a first telescopic spring arranged in the middle of the interior of the first limiting clamp.

Preferably, the center of the front surface of the clamping block is fixedly connected with a push rod, and the push rod extends out of the branch pipe from a guide groove arranged on the upper part of the front surface of the branch pipe.

Preferably, the insulating layer is arranged at the central position of the outer surface of the outer skin, and the acrylic resin layer and the thermoplastic polyurethane elastic layer are arranged at the upper end and the lower end of the insulating layer.

(III) advantageous effects

The utility model provides a crooked difficult cracked insulated cable possesses following beneficial effect:

(1) the utility model has the advantages that the positioning ring, the clamping block, the clamping groove, the acrylic resin layer, the insulating layer and the thermoplastic polyurethane elastic layer are arranged, the cable is convenient to structurally install, the service life of the cable is prolonged, the problem that the cable is short in service life and inconvenient to install is solved, the surface of the outer skin is sequentially coated with the acrylic resin layer, the insulating layer and the thermoplastic polyurethane elastic layer, the ultraviolet resistance and the bending resistance tensile property of the outer skin are improved by the arranged acrylic resin layer and the thermoplastic polyurethane elastic layer, the service life of the cable main body is prolonged, the outer part of the cable main body is insulated and protected by the arranged insulating layer, meanwhile, the positioning ring is structurally installed and fixed at the central position in the outer skin by the connection between the arranged clamping block and the clamping groove, under the action of the elastic force of the third expansion spring, the positioning ring can be conveniently taken out and replaced inside the sheath, and therefore the cable main body can be conveniently replaced.

(2) The utility model discloses a set up electrically conductive hole, first spacing clamp and second spacing clamp, the cable of being convenient for connects the effect of electricity has, the inconvenient problem of cable electricity has been solved, electrically conductive hole has been seted up at the positive surface front end middle part of cable main part, there are first spacing clamp and second spacing clamp in electrically conductive hole inside both sides through second expanding spring connection, the second spacing clamp extends into inside the first spacing clamp, and with the first expanding spring connection of the inside setting of first spacing clamp, under the effect of the elastic force of first expanding spring and second expanding spring self, carry out the regulation of size to electrically conductive hole, and then the electricity operation of being convenient for of cable main part.

Drawings

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

FIG. 2 is a schematic side view of the cable body of the present invention;

FIG. 3 is a schematic view of the inside of the conductive hole of the present invention;

FIG. 4 is a schematic side view of the interior of the positioning ring of the present invention;

FIG. 5 is an enlarged schematic view of the point A in FIG. 4 according to the present invention;

fig. 6 is a schematic sectional view of the outer skin of the present invention.

The reference numbers in the figures are:

1. an insulating protective cover; 2. a through hole; 3. a skin; 4. a positioning ring; 5. a cable body; 6. an insulated handle; 7. a conductive via; 8. a first extension spring; 9. a first limit clamp; 10. a second limit clamp; 11. a second extension spring; 12. a guide groove; 13. a third extension spring; 14. a branch pipe; 15. a card slot; 16. a clamping block; 17. a push rod; 18. an acrylic resin layer; 19. an insulating layer; 20. a thermoplastic polyurethane elastic layer.

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.

As shown in fig. 1-6, the utility model provides a technical solution: a bending insulation cable not easy to break comprises a sheath 3, the outer surface of the sheath 3 is sequentially and uniformly coated with an acrylic resin layer 18, an insulation layer 19 and a thermoplastic polyurethane elastic layer 20, a positioning ring 4 is fixedly connected to the central position inside the sheath 3, the ultraviolet resistance and the bending resistance tensile property of the sheath 3 are improved through the arranged acrylic resin layer 18 and the thermoplastic polyurethane elastic layer 20, the service life of a cable main body 5 is prolonged, the sheath 3 is protected in an insulation manner through the arranged insulation layer 19, meanwhile, the anti-stretching and bending resistance of the cable main body 5 is enhanced through the arranged positioning ring 4, a group of cable main bodies 5 is arranged in the middle of the upper end and the lower end of the positioning ring 4, a group of branch pipes 14 is fixedly connected to the middle of the upper end and the lower end of the positioning ring 4, the middle inside of each branch pipe 14 is connected with a group of clamping blocks 16 through a third expansion spring 13, and the, the positioning ring 4 is structurally fixed at the central position inside the outer skin 3 through the clamping connection between the clamping block 16 and the clamping groove 15, under the action of the self elastic force of the third telescopic spring 13, the positioning ring 4 is convenient to mount and dismount with the sheath 3 and is convenient to replace, the middle section of the front end of the front surface of the cable main body 5 is provided with a conductive hole 7, two sides inside the conductive hole 7 are respectively connected with a first limiting clamp 9 and a second limiting clamp 10 through a second telescopic spring 11, the first limiting clamp 9 is arranged at the left side of the second limiting clamp 10, by extending the second limiting clamp 10 into the first limiting clamp 9, under the action of the elastic force of the second expansion spring 11, adjust the position of second spacing clamp 10 in first spacing clamp 9 inside, be convenient for adjust the inside size of a dimension of electrically conductive hole 7, conveniently carry out the operation of connecing of cable main part 5.

Further, electrically conductive hole 7 upper end threaded connection has insulating protective cover 1, and 1 upper end central point of insulating protective cover puts fixedly connected with insulated handle 6, cup joints in electrically conductive hole 7 outside leading electrical pillar by the insulating protective cover 1 that sets up to the external world and carries out the location of structure to clockwise or anticlockwise power's effect is exerted to insulated protective cover 1 by the insulating handle 6 that sets up, is convenient for carry out separation and the connection between insulating protective cover 1 and the electrically conductive hole 7.

Further, the central position in the upper and lower part of the outer end of the positioning ring 4 is provided with a set of through holes 2, and the cable body 5 extends out of the positioning ring 4 through the through holes 2, on the one hand, the cable body 5 is fixed in the structure inside the positioning ring 4 through the arranged through holes 2, the cable body 5 is protected from the outside, and on the other hand, the cable body 5 extends out of the positioning ring 4 to be subjected to electric connection treatment.

Further, the second spacing clamp 10 extends into the inside middle section of first spacing clamp 9, and the inboard both ends of second spacing clamp 10 are connected with the first expanding spring 8 that the middle part set up in the first spacing clamp 9, extend into first spacing clamp 9 inside with second spacing clamp 10, and through the effect of first expanding spring 8 self elasticity, be convenient for to first spacing clamp 9, the regulation to 7 inside sizes of conducting hole is carried out to second spacing clamp 10, be convenient for carry out the electricity operation of cable main part 5.

Further, a push rod 17 is fixedly connected to the center of the front surface of the clamping block 16, the push rod 17 extends out of the branch pipe 14 from a guide groove 12 formed in the upper portion of the front surface of the branch pipe 14, the push rod 17 extends out of the branch pipe 14 from the guide groove 12, and therefore the downward force is applied to the clamping block 16 through the push rod 17 under the action of the elastic force of the third expansion spring 13, and the positioning ring 4 can be taken out and replaced inside the outer skin 3.

Further, the position where the acrylic resin layer 18, the insulating layer 19 and the thermoplastic polyurethane elastic layer 20 are disposed on the outer surface of the outer skin 3 will be explained, in which the insulating layer 19 is disposed at the center of the outer surface of the outer skin 3, and the acrylic resin layer 18 and the thermoplastic polyurethane elastic layer 20 are disposed on the upper and lower ends of the insulating layer 19.

The working principle is as follows: when in use, the cable main body 5 is structurally connected in the positioning ring 4 through the through hole 2 arranged at the central position of the upper end and the lower end in the positioning ring 4, at the moment, the positioning ring 4 is placed at the central position in the sheath 3, an inward force is applied to the push rod 17, the fixture block 16 extends into the branch pipe 14, after the branch pipe 14 and the clamping groove 15 are oppositely arranged, the force applied to the push rod 17 is stopped, under the action of the elastic force of the third extension spring 13, the latch 16 is clamped and connected with the slot 15 in an abutting manner, at the moment, the external conductive column is connected with the conductive hole 7 arranged in the middle of the outer end of the front surface of the cable main body 5 in a sleeved mode, clockwise force is applied to the insulated handle 6, the insulated protective cover 1 is in threaded connection with the conductive hole 7, and conducting columns and conducting holes 7 in the electrical connection are structurally positioned, and the cable main body 5 is normally used.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 bending and unbreakable insulated cable comprising a sheath (3), characterized in that: the outer surface of the sheath (3) is sequentially and uniformly coated with an acrylic resin layer (18), an insulating layer (19) and a thermoplastic polyurethane elastic layer (20), a positioning ring (4) is fixedly connected to the central position inside the sheath (3), a group of cable main bodies (5) is arranged at the middle part of the upper end and the lower end of the positioning ring (4), a group of branch pipes (14) is fixedly connected to the middle part of the upper end and the lower end of the positioning ring (4), a group of clamping blocks (16) are connected to the middle part of the inner middle part of each branch pipe (14) through a third expansion spring (13), the clamping blocks (16) are connected with clamping grooves (15) arranged at the middle parts of the upper end and the lower end of the inner two ends of the sheath (3) in a clamping manner, a conductive hole (7) is formed in the middle section of the front surface of the cable main body (5), and first, and the first limit clamp (9) is arranged on the left side of the second limit clamp (10).

2. The insulated cable of claim 1, wherein the cable is not susceptible to breakage when bent, and wherein: electrically conductive hole (7) upper end threaded connection has insulating protective cover (1), and insulating protective cover (1) upper end central point fixedly connected with insulating handle (6).

3. The insulated cable of claim 1, wherein the cable is not susceptible to breakage when bent, and wherein: a group of through holes (2) are formed in the central positions of the upper portion and the lower portion of the outer end of the positioning ring (4), and the cable main body (5) extends out of the positioning ring (4) through the through holes (2).

4. The insulated cable of claim 1, wherein the cable is not susceptible to breakage when bent, and wherein: the second limiting clamp (10) extends into the middle section inside the first limiting clamp (9), and two ends of the inner side of the second limiting clamp (10) are connected with a first telescopic spring (8) arranged in the middle of the inner side of the first limiting clamp (9).

5. The insulated cable of claim 1, wherein the cable is not susceptible to breakage when bent, and wherein: the center of the front surface of the clamping block (16) is fixedly connected with a push rod (17), and the push rod (17) extends out of the branch pipe (14) from a guide groove (12) arranged on the upper part of the front surface of the branch pipe (14).

6. The insulated cable of claim 1, wherein the cable is not susceptible to breakage when bent, and wherein: the insulating layer (19) is arranged in the center of the outer surface of the outer skin (3), and the acrylic resin layer (18) and the thermoplastic polyurethane elastic layer (20) are arranged at the upper end and the lower end of the insulating layer (19).