CN216014857U - Stretch-proofing resistant crooked cable for automobile charging - Google Patents

Abstract

The invention relates to the technical field of cables and discloses an anti-tensile and bending-resistant cable for automobile charging, which comprises a cable sheath, wherein the cable sheath comprises a waterproof layer, a wear-resistant layer, an insulating layer, a filling layer and a heat-insulating layer, the wear-resistant layer is pasted on the inner side of the waterproof layer, the insulating layer is pasted on the inner side of the wear-resistant layer, the filling layer is pasted on the inner side of the insulating layer, the heat-insulating layer is pasted on the inner side of the filling layer, and a spherical protective block is fixedly connected inside the waterproof layer. This stretch-proofing resistant crooked car cable for charging through the crack prevention ball is connected with the stretching plate, and the crack prevention ball plays the effect of good fulcrum bounce-back to the stretching plate when making the stretching plate take place to stretch to bend, has possessed the effect of stronger tensile bending when having ensured the sheath use, has avoided the inside material of traditional sheath to fill and has caused the cracked drawback in surface appearance easily when tensile bending, the tensile high efficiency of bending when having ensured the sheath use.

Description

Stretch-proofing resistant crooked cable for automobile charging

Technical Field

The invention relates to the technical field of cables, in particular to a tensile and bending resistant cable for automobile charging.

Background

The patent publication by contrast: 201920331088.3, a charging cable for new energy automobile is disclosed, a first power supply wire, a second power supply wire, a grounding wire and a communication wire which are arranged in the invention are mutually wound, the bending resistance of the cable is increased, the tensile resistance of the cable is improved by a plurality of tensile ropes arranged in a filling layer, a wear-resistant layer is made of wear-resistant materials, the wear-resistant layer has good wear resistance, the surface of the cable can be prevented from being worn to damage the internal structure of the cable, the service life of the cable is prolonged, and the anti-slip grooves arranged on the surface of the wear-resistant layer can prevent the cable from slipping when a worker pulls the cable, so that the practicability of the cable is improved, but the scheme has the following problems in the use process: although the first power supply wire, the second power supply wire, the grounding wire and the communication wire which are arranged in the scheme are mutually wound, and the bending resistance of the cable is improved, the scheme can only increase the larger bending resistance aiming at the wire body in the using process, so that the scheme has the problems that the wire body and the wire skin have higher heat generation in use, larger friction force exists between the wire body and the wire skin, and the wire skin can generate larger bending performance when being bent by the wire body, and the wire skin is easy to bend to cause the breakage of the wire skin and the like when the wire body and the wire skin are bent and stretched.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the stretch-resistant and bend-resistant cable for automobile charging, which has the advantages of avoiding the defect that the surface is easy to crack when the traditional cable sheath is filled with internal materials and is bent in a stretching way, ensuring the high efficiency of the stretching and bending when the cable sheath is used, and solving the problem that the cable sheath is easy to crack due to the fact that the cable body and the cable sheath are bent and stretched when the cable sheath is bent and stretched.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a resistant crooked cable for automobile charging of tensile resistance, includes the sheath, the sheath includes waterproof layer, wearing layer, insulating layer, filling layer, insulating layer, and the inboard of waterproof layer is pasted and is had the wearing layer, and the inboard of wearing layer is pasted and is had the insulating layer, and the inboard of insulating layer is pasted and is had the filling layer, and the inboard of filling layer is pasted and is had the insulating layer, and the inside fixedly connected with ball form of waterproof layer protects the piece, the inboard fixedly connected with screw thread form's of sheath protection post, the inside of sheath is provided with the cable conductor, and the surface of cable conductor contacts with the surface of protection post.

Preferably, tensile groove has been seted up to the inside of cable sheath, and the inside fixedly connected with two tensile boards in tensile groove, two equal fixedly connected with of looks dorsal part of two tensile boards prevent splitting the ball.

Preferably, the surfaces of the two anti-cracking balls are fixedly connected inside the stretching groove, and the opposite sides of the two stretching plates are fixedly connected with the extrusion plates.

Preferably, one side of each of the two extrusion plates, which is far away from the corresponding extrusion plate, is fixedly connected inside the corresponding stretching groove, and the two extrusion plates are connected inside the corresponding stretching groove in a staggered manner.

Preferably, the half surface of the protection block extends out of the outer side of the waterproof layer, and a protection groove is formed in the protection block.

Preferably, the shape of the protective groove is crescent.

(III) advantageous effects

Compared with the prior art, the invention provides the stretch-resistant and bending-resistant cable for automobile charging, which has the following beneficial effects:

1. the anti-stretching and bending-resistant cable for charging the automobile has the advantages that the anti-cracking balls are connected with the stretching plates, so that the anti-cracking balls play a good fulcrum rebounding role on the stretching plates when the stretching plates are stretched and bent, the space limiting and root fixing effects of the anti-cracking balls on the deformation of the stretching plates when the cable sheath is bent and stretched are guaranteed, the risk that internal materials are stretched for a long time to cause cracks due to stretching between the inner parts of the cable sheath is avoided, the good moving space of the bending and stretching inside the cable sheath is guaranteed, the inner parts of the re-stretching grooves can be driven to move relatively when the cable sheath is stretched in an inward expanding manner through the misplacement of the two extrusion plates, the good dislocating extrusion is realized, the good moving space inside the cable sheath is guaranteed, and the strong stretching and bending effects of the cable sheath are guaranteed when the cable sheath is used, the defect that cracks appear on the surface easily caused when the traditional cable sheath is made of the internal material is fully stretched and bent is avoided, and the stretching and bending efficiency is guaranteed when the cable sheath is used.

2. This stretch-proofing resistant crooked cable for automobile charging, when the cable conductor is bent through the screw thread form that utilizes the protection post, the position of bending that makes the cable conductor avoids the inside of cable conductor and sheath to produce great frictional contact through the uneven screw thread form of the height of protection post, and then when the cable conductor carries out work and produces a large amount of heats, can not make and act on the inside department of bending of sheath between the heat of cable conductor, and then possessed good barrier propterty when having ensured bending between sheath and the cable conductor and using, the tensile department of bending heat of having avoided between sheath and the cable conductor causes and plays direct scald contact to the surface of sheath, and then ensured the life-span that the protection guarantee sheath that the department of bending passes through the protection post between sheath and the cable conductor uses.

3. The tensile and bending resistant cable for charging the automobile increases the friction force of an operator on the control of the cable sheath through the gap between the protective block and the cable sheath, thereby avoiding that the surface of the cable sheath is too smooth to cause no good stretching fixing point when the cable sheath is stretched, and on the other hand, when the surface of the cable sheath is extruded by the tire of the vehicle, when the tire presses the surface of the protective block through the crescent shape of the protective groove, the protective block can be pressed and sunken into the protective groove, furthermore, through the elastic material of the protective block, when the protective block is not extruded, the protective block is rebounded and reset by the performance of the protective block, the surface of the cable sheath has good pressure resistance, the surface damage of the cable sheath caused by the friction between the cable sheath and the cable conductor due to the surface extrusion of the cable sheath between tires is avoided, and the use safety performance of the cable sheath is guaranteed.

Drawings

FIG. 1 is a schematic structural view of a stretch-resistant and bending-resistant cable for charging a vehicle according to the present invention;

FIG. 2 is a schematic view of the internal structure of the cable sheath of the present invention;

FIG. 3 is a schematic view of the internal structure of the cable sheath of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention.

In the figure: the cable comprises a cable sheath 1, a waterproof layer 101, a wear-resistant layer 102, an insulating layer 103, a filling layer 104, a heat-insulating layer 105, a stretching groove 2, a stretching plate 3, a cracking-proof ball 4, an extrusion plate 5, a protection block 6, a protection groove 7, a protection column 8 and a cable wire 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a new technical solution: a stretch-resistant and bending-resistant cable for automobile charging comprises a cable sheath 1, wherein the cable sheath 1 comprises a waterproof layer 101, a wear-resistant layer 102, an insulating layer 103, a filling layer 104 and a heat-insulating layer 105, the wear-resistant layer 102 is pasted on the inner side of the waterproof layer 101, the insulating layer 103 is pasted on the inner side of the wear-resistant layer 102, the filling layer 104 is pasted on the inner side of the insulating layer 103, the heat-insulating layer 105 is pasted on the inner side of the filling layer 104, a stretching groove 2 is formed in the cable sheath 1, two stretching plates 3 are fixedly connected to the inner side of the stretching groove 2, two anti-cracking balls 4 are fixedly connected to the opposite sides of the two stretching plates 3, the surfaces of the two anti-cracking balls 4 are fixedly connected to the inner side of the stretching groove 2, extrusion plates 5 are fixedly connected to the opposite sides of the two extrusion plates 5, the sides, far away from the two extrusion plates 5, are fixedly connected to the inner side of the stretching groove 2 in a staggered manner, a spherical protection block 6 is fixedly connected inside the waterproof layer 101, one half surface of the protection block 6 extends out of the waterproof layer 101, a crescent protection groove 7 is formed inside the protection block 6, a threaded protection column 8 is fixedly connected inside the cable sheath 1, a cable 9 is arranged inside the cable sheath 1, and the surface of the cable 9 is in contact with the surface of the protection column 8;

by utilizing the protection block 6 which is arranged on the surface of the cable sheath 1 and extends out of the waterproof layer 101 from one half of the surface, on one hand, when the cable sheath 1 is used, the protection block 6 has a certain anti-skid effect when an operator controls the cable sheath 1 through the part extending out of the surface of the cable sheath 1, the gap between the protection block 6 and the cable sheath 1 is increased, the operator has good friction force for controlling the cable sheath 1, and further, the situation that the surface of the cable sheath 1 is too smooth and does not have a good stretching fixed point when the cable sheath 1 is stretched is avoided, on the other hand, when the surface of the cable sheath 1 is extruded by a tire of a vehicle, the protection block 6 is extruded and sunken into the protection groove 7 through the crescent shape of the protection groove 7 when the tire extrudes the surface of the protection block 6, and further passes through the elastic material of the protection block 6, when the protective block 6 is not extruded, the protective block is rebounded and reset by the performance of the protective block, so that the surface of the cable sheath 1 has good pressure resistance, the surface of the cable sheath 1 is prevented from being damaged due to friction between the cable sheath 1 and the cable 9 caused by the fact that the surface of the cable sheath 1 is extruded between tires, and the use safety performance of the cable sheath 1 is guaranteed;

by providing the screw-shaped guard post 8 on the inner side of the cable sheath 1, when the cable sheath 1 and the internal cable 9 are bent for use, when the cable 9 is bent by using the thread shape of the protective column 8, the bent position of the cable 9 avoids the cable 9 from generating large friction contact with the inner part of the cable sheath 1 by the uneven thread shape of the protective column 8, furthermore, when the cable 9 generates a large amount of heat during working, the heat of the cable 9 will not act on the bending part inside the cable sheath 1, thereby ensuring good protection performance when the cable sheath 1 and the cable 9 are bent for use, avoiding direct scald contact on the surface of the cable sheath 1 caused by heat at the bending stretching part between the cable sheath 1 and the cable 9, further, the service life of the cable sheath 1 is guaranteed through the protection of the protection column 8 at the bending part between the cable sheath 1 and the cable 9;

when the cable sheath 1 and the cable 9 are used, the cable sheath 1 and the cable 9 are usually stretched easily by an operator in use and are bent according to the scene requirement, when the cable sheath 1 is stretched, the connecting stretching between the extrusion plate 5 and the stretching plate 3 is utilized, the cable sheath 1 is prevented from being directly stretched, the inner part of the cable sheath 1 has a good extensible shape, the anti-cracking ball 4 plays a role in limiting the space of the stretching plate 3 in the stretching groove 2, the anti-cracking ball 4 plays a role in good fulcrum rebounding of the stretching plate 3 when the stretching plate 3 is stretched and bent through the connection of the anti-cracking ball 4 and the stretching plate 3 when the cable sheath 1 is stretched and stretched outwards or inwards, the deformation of the stretching plate 3 is limited in space and the root fixing effect of the anti-cracking ball 4 when the cable sheath 1 is bent and stretched, avoided tensile between the sheath 1 inside to cause the long-term tensile risk that causes the breach of inside material, ensured that the sheath 1 inside is bent and is stretched and possess good activity space, misplace through two stripper plates 5, ensured that sheath 1 carries on to drive the inside of relative movement time redraw groove 2 when expanding in the stretching in 3, possess good dislocation extrusion, ensured that sheath 1 is inside to possess good activity space, ensured that sheath 1 possesses the effect of stronger tensile bending when using, avoided 1 inside material of traditional sheath to fill and really cause the surface crack defect easily when tensile bending, the tensile high efficiency of bending when having ensured sheath 1 uses.

The working principle is as follows: a stretch-proofing resistant crooked cable for charging car, through utilizing and having the protection piece 6 that half surface extends the waterproof layer 101 outside on the surface of the cable crust 1, on one hand, in order to ensure the cable crust 1 when using, when the part that extends on the surface of the cable crust 1 through the protection piece 6 plays operator's control cable crust 1, possess certain antiskid effect, on the other hand when the surface of the cable crust 1 is squeezed by the tire of the car, when the tire squeezes the surface of the protection piece 6 through the crescent shape of the protection groove 7, the protection piece 6 can be squeezed and sunken to the inside of the protection groove 7, and then through the elastic material of the protection piece 6, when the protection piece 6 is not squeezed again by self performance to rebound and reset;

by arranging the threaded protection column 8 on the inner side of the cable sheath 1, when the cable sheath 1 and the cable 9 inside the cable sheath are bent, the threaded protection column 8 is utilized to bend the cable 9, so that the bent position of the cable 9 avoids the cable 9 from being in large friction contact with the inside of the cable sheath 1 through the uneven threaded protection column 8, and further, when the cable 9 works to generate a large amount of heat, the heat of the cable 9 cannot act on the bent part inside the cable sheath 1;

when the cable sheath 1 and the cable 9 are used for work, the cable sheath 1 and the cable 9 are usually stretched easily by an operator in use and are bent according to scene requirements, when the cable sheath 1 is stretched, the cable sheath is directly prevented from stretching the cable sheath 1 by utilizing the connection stretching between the extrusion plate 5 and the stretching plate 3, the cable sheath 1 is enabled to have a good extensible shape, the anti-cracking ball 4 is utilized to play a space limiting role in the stretching plate 3 in the stretching groove 2, and the anti-cracking ball 4 plays a good fulcrum role in the stretching plate 3 when the stretching plate 3 is stretched and bent through the connection of the anti-cracking ball 4 and the stretching plate 3 in order to ensure that the cable sheath 1 is stretched and stretched when the stretching plate 3 is stretched and stretched outwards or stretched inwards.

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 (6)

1. The utility model provides a stretch-proofing resistant crooked cable for car charges, includes cable sheath (1), its characterized in that: the cable sheath (1) comprises a waterproof layer (101), a wear-resistant layer (102), an insulating layer (103), a filling layer (104) and a heat-insulating layer (105), the wear-resistant layer (102) is pasted on the inner side of the waterproof layer (101), the insulating layer (103) is pasted on the inner side of the wear-resistant layer (102), the filling layer (104) is pasted on the inner side of the insulating layer (103), the heat-insulating layer (105) is pasted on the inner side of the filling layer (104), the spherical protective block (6) is fixedly connected to the inside of the waterproof layer (101), the threaded protective column (8) is fixedly connected to the inner side of the cable sheath (1), a cable (9) is arranged inside the cable sheath (1), and the surface of the cable (9) is in contact with the surface of the protective column (8).

2. The cable for charging an automobile according to claim 1, wherein the cable is characterized in that: tensile groove (2) have been seted up to the inside of cable sheath (1), two tensile boards (3) of the inside fixedly connected with in tensile groove (2), two anti-cracking balls (4) of the equal fixedly connected with in looks dorsal part of two tensile boards (3).

3. The cable for charging an automobile according to claim 2, wherein the cable is characterized in that: the surfaces of the two anti-cracking balls (4) are fixedly connected inside the stretching groove (2), and the opposite sides of the two stretching plates (3) are fixedly connected with the extrusion plates (5).

4. The cable for charging an automobile according to claim 3, wherein the cable is characterized in that: two equal fixed connection in the inside of tensile groove (2) in one side that stripper plate (5) kept away from is two stripper plate (5) are the inside of dislocation connection in tensile groove (2).

5. The cable for charging an automobile according to claim 1, wherein the cable is characterized in that: one half surface of the protection block (6) extends out of the outer side of the waterproof layer (101), and a protection groove (7) is formed in the protection block (6).

6. The cable for charging an automobile according to claim 5, wherein the cable is characterized in that: the protective groove (7) is crescent.

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