CN210984313U

CN210984313U - Electric wire

Info

Publication number: CN210984313U
Application number: CN201921665233.8U
Authority: CN
Inventors: 何仁城
Original assignee: Shenzhen Dakeqi Technology Co ltd
Current assignee: Shenzhen Dakeqi Technology Co ltd
Priority date: 2018-12-27
Filing date: 2019-09-29
Publication date: 2020-07-10
Anticipated expiration: 2029-09-29
Also published as: WO2020135319A1; JP3236671U

Abstract

The utility model is suitable for an electric wire field provides an electric wire, include: the fixed guide pipe is made of flexible materials, extends left and right and is provided with a left through accommodating part and a right through accommodating part; a conductive medium composed of a plurality of granular conductive particles filling the accommodation cavity; the connecting structure comprises a left connecting piece for sealing the left end surface of the fixed guide pipe and a right connecting piece for sealing the right end surface of the fixed guide pipe, and the left connecting piece and the right connecting piece are both made of conductive materials and are abutted to the conductive medium; wherein each of the conductive particles is used in common to receive and transfer current from the left connector to the right connector or to transfer current from the right connector to the left connector. The utility model provides an electric wire has solved the problem that the conductor harmed because of reciprocating motion.

Description

Electric wire

Technical Field

The utility model belongs to the electric wire field especially relates to an electric wire.

Background

The electric wire is widely used as the most common conductive product for electric connection of various electrical appliances and electronic products. The existing wire comprises a conductor made of a metal material and an insulating layer wrapped on the outer layer of the conductor, the section of the conductor is circular and extends leftwards and rightwards in a strip shape, and the insulating layer is wrapped on the outer side of the conductor so as to isolate the conductor from being connected with the outside at the wrapping position. In some particular apparatus uses, the wire is repeatedly moved or bent and the conductor is damaged or even broken by metal fatigue during the reciprocating motion.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide an electric wire, it aims at solving because of the problem of conductor damage because of reciprocating motion.

The utility model discloses a realize like this:

an electrical wire, comprising:

the fixed guide pipe is made of flexible materials, extends left and right and is provided with a containing cavity which is communicated left and right;

a conductive medium composed of a plurality of granular conductive particles filling the accommodation cavity;

the connecting structure comprises a left connecting piece for sealing the left end surface of the fixed guide pipe and a right connecting piece for sealing the right end surface of the fixed guide pipe, and the left connecting piece and the right connecting piece are both made of conductive materials and are abutted to the conductive medium;

wherein each of the conductive particles is used in common to receive and transfer current from the left connector to the right connector or to transfer current from the right connector to the left connector.

Further, the conductive medium comprises a plurality of spherical conductive balls located in the accommodating cavity, and the diameter of each conductive ball is smaller than the diameter of the cross section of the accommodating cavity;

the conductive balls are used for receiving the current from the left connecting piece and transmitting the current to the right connecting piece or transmitting the current from the right connecting piece to the left connecting piece.

Further, the diameters of the conductive balls are the same.

Further, the ratio of the diameter of the conductive ball to the cross-sectional diameter of the accommodating cavity is (0)_，0_.5)∪(0_.5_,1)。

Further, the diameter of the conductive ball is larger than or equal to 1 mm.

Furthermore, the conductive ball is made of metal materials or conductive plastic and conductive rubber.

Further, the electric wire further comprises a lubricant filled in the accommodating cavity, and the lubricant is made of a conductive material.

Further, the lubricant is graphite powder.

Further, left side connecting piece includes airtight connection fixed pipe is in order to seal the left shrouding of fixed pipe left end face and connection left side shrouding and the left side wiring that extends left, right side connecting piece includes airtight connection fixed pipe is in order to seal the right shrouding of fixed pipe right end face and connection right shrouding and the right side wiring that extends right.

Furthermore, the left connecting piece and the right connecting piece are made of copper materials.

Furthermore, the electric wire further comprises at least one anti-pulling wire, two ends of the anti-pulling wire are respectively connected with the left connecting piece and the right connecting piece, and the elastic modulus of the anti-pulling wire is smaller than that of the fixed conduit.

Further, the anti-pulling wire is provided with a plurality of rings arranged on the outer surface of the fixed catheter.

Further, the fixed conduit is made of an elastic material.

Further, the conductive medium is graphite powder in powder form, and the graphite powder is used for receiving the current from the left connecting piece and transmitting the current to the right connecting piece or transmitting the current from the right connecting piece to the left connecting piece.

Further, the fixed conduit is made of an elastic material, the conductive medium comprises graphite powder and conductive balls, and the ratio of the diameter of each conductive ball to the cross-sectional diameter of the accommodating cavity is (0, 1.2).

An electrical wire, comprising:

the conductive medium is liquid metal filled in the accommodating cavity, and the liquid metal is one of gallium, sodium, potassium, mercury, potassium-sodium alloy or gallium-indium-tin alloy;

the connecting structure comprises a left connecting piece and a right connecting piece, wherein the left connecting piece is used for sealing the left end face of the fixed guide pipe, the right connecting piece is used for sealing the right end face of the fixed guide pipe, and the left connecting piece and the right connecting piece are made of conductive materials and are connected with a conductive medium.

The utility model provides an electric wire, fixed pipe and connection structure enclose to close with fixed each conductive ball, and connection structure and each conductive particle form the structure that is used for electrically conducting together, realize electrically conductive function, owing to regard conductive particle as conductive medium, conductive particle is the graininess for fixed pipe is under the condition that the pressurized warp, and the motion of adaptability can be to each conductive particle, with the change of adaptation fixed pipe. Therefore, the problem that the conductor is damaged due to reciprocating motion can be solved by using the granular conductive particles as the conductive medium.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic cross-sectional view of an electrical wire according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of an electric wire according to an embodiment of the present invention, in which the diameter of the conductive ball is different from that of fig. 1.

The reference numbers illustrate:

Figure DEST_PATH_RE-GDA0002488503060000031

Figure DEST_PATH_RE-GDA0002488503060000041

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

It should be noted that the terms of left, right, upper and lower directions in the embodiments of the present invention are only relative concepts or are referred to the normal use state of the product, and should not be considered as limiting.

Referring to fig. 1 to 2, the present embodiment provides an electrical wire, which includes a fixed conduit 10, a conductive medium 20, and a connecting structure 30.

The fixed guide tube 10 is made of flexible material, and the fixed guide tube 10 extends left and right and has a receiving cavity penetrating left and right.

The conductive medium 20 is composed of a plurality of granular conductive particles that fill the receiving cavity.

The connecting structure 30 includes a left connecting member 31 for closing the left end surface of the fixed guide pipe 10 and a right connecting member 32 for closing the right end surface of the fixed guide pipe 10, and both the left connecting member 31 and the right connecting member 32 are made of conductive materials and abut against the conductive medium 20.

Wherein the conductive particles are used together to receive the current from the left connector 31 and transmit it to the right connector 32 or transmit the current from the right connector 32 to the left connector 31.

In the electric wire provided in the present embodiment, the fixing conduit 10 and the connecting structure 30 enclose to fix each conductive particle, and the connecting structure 30 and each conductive particle together form a structure for conducting electricity, thereby implementing a function of conducting electricity. Because the conductive particles are used as the conductive medium 20 and are granular, the conductive particles can move adaptively under the condition that the fixed catheter 10 deforms under pressure so as to adapt to the change of the fixed catheter 10. Therefore, the problem of the conductor being damaged by the reciprocating motion can be solved by using the granular conductive particles as the conductive medium 20.

Preferably, the fixed catheter 10 is made of an elastic material. The fixed guide tube 10 is elastically deformed (i.e., the accommodating chamber is deformed) under pressure and applies pressure to the conductive particles, each conductive particle has a large degree of freedom, can roll under pressure and adjust the relative position relationship between the conductive particles so as to change the overall shape to adapt to the change of the accommodating chamber, and the accommodating chamber returns to the original shape under the elastic restoring force of the fixed guide tube 10 after the external force is removed, that is, the shape of the conductive medium 20 also returns to the original shape.

Preferably, the conductive medium 20 is an interference fit with the fixed conduit 10. Such that the stationary pipe 10 applies an inward pressure to the conductive particles, thereby contributing to an increase in the degree of compaction of each conductive particle and thus to an increase in the conductive performance of the conductive medium 20.

In the present embodiment, the conductive medium 20 includes a plurality of spherical conductive balls 21 located in the accommodating cavity, and the diameter of the conductive balls 21 is smaller than the cross-sectional diameter of the accommodating cavity.

The conductive balls 21 are used in common to receive the current from the left connector 31 and transfer it to the right connector 32 or transfer the current from the right connector 32 to the left connector 31.

The conductive balls 21 together conduct current. As will be appreciated by those skilled in the art, the conductive balls 21 fill the cavities and abut one another to form an uninterrupted current path.

In this embodiment, the diameters of the conductive balls 21 are the same, so as to reduce the production and design costs. In other embodiments, the diameters of the conductive balls 21 may be set to have two or more diameters. As long as it fills the receiving cavity and can be stacked to effect the transfer of electricity.

The conductive ball 21 has a diameter smaller than the sectional diameter of the receiving cavity, thereby providing a deformation space for the fixing tube 10 to be compressed.

Preferably, the ratio of the diameter of the conductive ball 21 to the cross-sectional diameter of the receiving cavity is (0)_，0_.5)∪(0_.5_,1). That is, the conductive ball 21 excludes the case where it is the same as the cross-sectional diameter of the receiving chamber and is equal to half the cross-sectional diameter of the receiving chamber. If the conductive ball 21 has the same diameter as the accommodating cavity, the conductive ball 21 blocks the accommodating cavity, and the accommodating cavity is difficult to deform inwards due to the limitation of the conductive ball 21, so that the fixed catheter 10 is subjected to stress concentration at the position in contact with the conductive ball 21, and the fixed catheter 10 is easily damaged. The conductive balls 21 are equal to half of the diameter of the accommodating cavity, so that the two conductive balls 21 are relatively easy to abut against the wall of the accommodating cavity, and the fixed catheter 10 is damaged due to stress concentration formed at the position where the fixed catheter 10 is contacted with the conductive balls 21. Experiments prove that under the condition that the diameters of the conductive balls 21 are equal, the diameters of the conductive balls 21 are equal to one third of the cross section diameter of the accommodating cavity, and the situation that the centers of the three conductive balls 21 are located on the same cross section is not easy to occur, so that the diameter of the conductive balls 21 can be avoided to be equal to the cross section diameter of the accommodating cavity or half of the cross section diameter of the accommodating cavity. In the view of fig. 1, the ratio of the diameter of the conductive ball 21 to the cross-sectional diameter of the receiving cavity is 0.57, and in other embodiments, the ratio may be 0.6, 0.65, 0.7, 0.8, etc. Drawing (A)In view 2, the ratio of the diameter of the conductive ball 21 to the cross-sectional diameter of the accommodating cavity is 0.25, and those skilled in the art can select the ratio to be 0.1, 0.2, 0.3, 0.35, 0.4, etc.

It should be noted that, as the diameter of the conductive balls 21 is reduced, the number of the conductive balls 21 that can be accommodated by the section of the accommodating cavity is increased, that is, the number of the contact points of the conductive balls 21 with each other of the section of the accommodating cavity is increased, so that more current paths are provided to further ensure the current conducting performance of the conductive medium 20. However, the diameter of the conductive ball 21 also takes into consideration the difficulty of processing and the economic cost.

Preferably, the diameter of the conductive ball 21 is greater than or equal to 1 mm. Thereby reducing the processing difficulty. The conductive ball 21 may also be designed to have a diameter of 2mm, 3mm, 3.8mm, 5mm, etc. by those skilled in the art according to processing conditions.

Referring to fig. 1 or fig. 2, the electric wire further includes a lubricant 22 filled in the accommodating cavity, and the lubricant 22 is made of a conductive material. The lubricant 22 is added to fill the gaps between the conductive balls 21, on one hand, when the fixing catheter 10 is pressed, the lubricant 22 and the conductive balls 21 jointly provide support for the fixing catheter 10, that is, the adding of the lubricant 22 increases the stress area of the conductive balls 21, thereby reducing the stress concentration when the fixing catheter 10 is pressed. On the other hand, the lubricant 22 lubricates the conductive balls 21, and reduces the friction force of the conductive balls 21, so that each conductive ball 21 can make a corresponding shape adjustment according to the external force situation more quickly. In addition, since the lubricant 22 is made of a conductive material, a conductor is formed together with the conductive ball 21, thereby further ensuring smooth current conduction.

Preferably, the lubricant 22 is graphite powder. Graphite is an excellent lubricant and at the same time a good conductive material. In addition, the graphite material is adopted as the lubricant 22, which is beneficial to reducing the material cost.

Referring to fig. 2, the left connector 31 includes a left sealing plate 311 for hermetically connecting the fixed pipe 10 to seal the left end surface of the fixed pipe 10, and a left connection wire 312 connected to the left sealing plate 311 and extending leftward, and the right connector 32 includes a right sealing plate 321 for hermetically connecting the fixed pipe 10 to seal the right end surface of the fixed pipe 10, and a right connection wire 322 connected to the right sealing plate 321 and extending rightward. The left and right sealing

plates

311 and 321 may be connected to the fixed catheter 10 by interference fit, and in the illustrated embodiment, the left and right sealing

plates

311 and 321 deeply extend into the accommodating cavity, so as to improve the contact area and the connection tightness between the left and right sealing

plates

311 and 321 and the fixed catheter 10. Ultrasonic welding or other connecting means can be used by those skilled in the art to connect the left and right sealing

plates

311 and 321 to the fixed catheter 10. As long as the joint face meets the requirement of airtightness. The provision of the left and

right wires

312, 322 facilitates the connection of the wires to the device or to another wire. In the illustrated embodiment, the left cover plate 311 and the left connection line 312 are integrally provided, and the right cover plate 321 and the right connection line 322 are integrally provided, so as to improve the structural strength and the wire performance of the left and

right connection members

31 and 32.

In this embodiment, the left connecting member 31 and the right connecting member 32 are made of copper material. In other embodiments, the left connecting member 31 and the right connecting member 32 may also be made of non-ferrous metals with excellent conductivity, such as aluminum, copper-clad steel, copper-clad aluminum, and the like.

The conductive balls 21 are made of metal materials with excellent conductivity, such as copper, aluminum, steel, or composite materials, such as conductive plastics, conductive rubber, or solid solution alloy materials, such as gallium-indium alloy.

The fixed conduit 10 is made of an insulating material. Preferably, the fixing catheter 10 is made of a high temperature resistant and weak brittle rubber material.

Referring to fig. 1 or 2, the electric wire further includes at least one anti-pulling wire 40 having two ends connected to the left connector 31 and the right connector 32, respectively, and an elastic modulus of the anti-pulling wire 40 is smaller than an elastic modulus of the fixing catheter 10. The ripcord 40 serves to protect the fixed catheter 10. Under the action of external force, the pull-proof wire 40 generates a certain elastic deformation, the fixed catheter 10 generates a smaller deformation range because the elastic modulus of the pull-proof wire 40 is smaller than that of the fixed catheter 10, and the external force is mainly balanced by the elastic restoring force of the pull-proof wire 40, so that the fixed catheter 10 is protected.

Preferably, the pull-resistant wire 40 is provided in a plurality and looped around the outer surface of the fixing catheter 10. Thereby further improving the anti-pull effect. The anti-pulling wires 40 are arranged in parallel or woven into a tubular structure sleeved on the outer surface of the fixed catheter 10.

In another embodiment, the conductive medium 20 is graphite powder in powder form, and the graphite powder is used for receiving the current from the left connecting member 31 and transmitting the current to the right connecting member 32 or transmitting the current from the right connecting member 32 to the left connecting member 31. That is, the receiving chamber is filled with graphite powder. Further preferably, the graphite powder particles have a diameter of nanometer order.

In another embodiment, the fixing conduit 10 is made of an elastic material, the conductive medium 20 includes graphite powder and conductive balls 21, and the ratio of the diameter of the conductive balls 21 to the cross-sectional diameter of the accommodating cavity is (0, 1.2). the conductive balls 21 may be single-layer or multi-layer, preferably, when the conductive balls 21 are single-layer, the ratio of the diameter of the conductive balls 21 to the cross-sectional diameter of the accommodating cavity is between 1 and 1.2, that is, the conductive balls 21 and the fixing conduit 10 are in interference fit, the graphite powder is filled in the gaps between the conductive balls 21, and at this time, it is not required that two adjacent conductive balls 21 are in abutting arrangement.

In another embodiment, the conductive medium 20 is a liquid metal filling the cavity, the liquid metal being an amorphous metal, and the liquid metal being considered as a mixture of a positive ionic fluid and free electrons. The liquid metal exhibits hydraulic properties such as viscous fluid flow, unsteady flow, flow in perforated pipes, turbulent flow, and the like.

Preferably, the liquid metal is one of gallium, sodium, potassium, mercury, a potassium-sodium alloy or a gallium-indium-tin alloy.

In further embodiments, the conductive medium 20 is an electrically conductive magnetic fluid. The magnetic fluid is a uniform and stable colloidal solution formed by uniformly dispersing a long-chain surfactant coated on magnetic particles of nanometer order (about 10 nanometers) in a base liquid, and has the characteristic of liquid fluidity.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electrical wire, comprising:

2. The electrical wire according to claim 1, wherein said conductive medium comprises a plurality of spherical conductive balls having a diameter smaller than a cross-sectional diameter of said receiving chamber;

3. The electrical wire according to claim 2, wherein the ratio of the diameter of said conductive ball to the cross-sectional diameter of said receiving cavity is (0, 0.5) ∪ (0.5, 1).

4. The electrical wire according to claim 2, wherein said conductive ball is made of a metal material or a conductive plastic or a conductive rubber.

5. The electrical wire according to claim 2, further comprising a lubricant filled in said housing cavity, said lubricant being made of a conductive material.

6. The electrical wire according to claim 5, wherein the lubricant is graphite powder.

7. The electric wire according to claim 1, wherein said left connecting member comprises a left sealing plate airtightly connecting said fixed pipe to close a left end surface of said fixed pipe and a left wiring connected to said left sealing plate and extending leftward, and said right connecting member comprises a right sealing plate airtightly connecting said fixed pipe to close a right end surface of said fixed pipe and a right wiring connected to said right sealing plate and extending rightward.

8. The electrical wire according to claim 1, wherein said fixing tube is made of an elastic material, and said electrical wire further comprises at least one pull-proof wire having both ends connected to said left connecting member and said right connecting member, respectively, said pull-proof wire having an elastic modulus smaller than that of said fixing tube.

9. The electrical wire of claim 8, wherein said strain relief wire has a plurality of loops disposed on an outer surface of said retaining conduit.

10. The electrical wire according to any one of claims 1 to 9, wherein said fixing guide is made of an elastic material.

11. The electrical wire according to claim 10, wherein said conductive medium is an interference fit with said stationary conduit.

12. The electrical wire according to claim 1, wherein the conductive medium is graphite powder in a powder form for receiving and transmitting the current from the left connector to the right connector or transmitting the current from the right connector to the left connector.

13. The electrical wire according to claim 1, wherein said fixing tube is made of an elastic material, said conductive medium comprises graphite powder and a conductive ball, and a ratio of a diameter of said conductive ball to a cross-sectional diameter of said receiving cavity is (0, 1.2%).

14. An electrical wire, comprising: