CN208225558U - servo motor connecting cable - Google Patents

Abstract

The utility model discloses a servo motor connection cable, which comprises rubber strips, four large power lines, one small power line, one signal line, a tape layer, a tinned copper braid layer, an aluminum foil layer and a PUR outer covering layer , the four large power lines are divided into two groups symmetrically distributed on the upper and lower positions of the rubber strip, and the signal lines and small power lines are symmetrically located on the left and right positions of the rubber strip respectively, and the core wires are formed by twisting with the rubber strip as the center , tape layer, tinned copper braiding layer, aluminum foil layer and PUR outer covering layer are sequentially coated on the core wire; the utility model has an ingenious structural design and reasonable addition of rubber strips, which not only enhances the overall anti-pull performance, but also improves The appearance is round and round; there are signal lines and small power lines at the same time to meet the needs of different functions; the core wires are covered with tape layer, tinned copper braid layer, aluminum foil layer and PUR outer layer in sequence, not only shielding The effect is good, and it also has good oil resistance, chemical resistance and wear resistance, long service life and good protection effect.

Description

Servo motor connection cable

technical field

The utility model relates to the technical field of wires and cables, in particular to a servo motor connection cable.

Background technique

Although the wire and cable industry is only a supporting industry, it accounts for 1/4 of the output value of China's electrical industry. It has a wide variety of products and a wide range of applications, involving industries such as electric power, construction, communications, and manufacturing, and is closely related to various sectors of the national economy. Wires and cables are also known as the "arteries" and "nerves" of the national economy. They are indispensable basic equipment for transmitting electric energy, transmitting information, manufacturing various motors, instruments, and meters, and realizing electromagnetic energy conversion. necessary basic products in a modernized society.

The connecting wires of commonly used servo motors are usually composed of conductive copper core and insulating layer. As we all know, wires with this structure will generate electromagnetic radiation when they are energized, and they will also be interfered by electromagnetic waves from other electronic components, so that the normal operation of the servo motor is often affected by electromagnetic interference during use. That is, its anti-interference is poor, and it is easily affected by the outside world, which affects the transmission of signals. And its anti-pull performance is poor.

Utility model content

In view of the above disadvantages, the purpose of this utility model is to provide a servo motor connection cable with good shielding effect, strong anti-interference, anti-pull and long service life.

In order to achieve the above purpose, the technical solution provided by the utility model is: a servo motor connection cable, which includes rubber strips, four large power lines, one small power line, one signal line, a tape layer, tinned copper The braided layer, the aluminum foil layer and the PUR outer layer, the four large power lines are divided into two groups and distributed symmetrically on the upper and lower positions of the rubber strip, and the signal lines and small power lines are symmetrically located on the left and right positions of the rubber strip respectively, and are separated by glue The strip is a core wire formed by twisting at the center, and the tape layer, tinned copper braid layer, aluminum foil layer and PUR outer layer are sequentially covered on the core wire; the signal wire includes two strands of signal wires and a cladding The aluminum foil coating on the two strands of signal wires; the small power line includes a small conductor formed by twisting multiple strands of copper wires and a TPE insulating layer covering the small conductor.

As an improvement of the utility model, the large power cord includes a large conductor and a TPE insulating layer covering the power conductor.

As an improvement of the utility model, the thickness of the PUR outer coating layer is 10.2-10.8 mm.

As an improvement of the utility model, the thickness of the wrapping layer is 0.3-0.4 mm.

As an improvement of the utility model, the thickness of the tinned copper braiding layer is 0.2-0.3 mm.

As an improvement of the utility model, the thickness of the aluminum foil layer is 0.1-0.2 mm.

As an improvement of the present utility model, the outer surface of the PUR outer coating layer is provided with a plurality of protruding lines extending along its axial direction, and the protruding lines are embedded with grounding wires. Connect one end of the ground wire to the tinned copper braid, and the other end to ground, which can improve the shielding effect and has strong anti-interference ability.

The beneficial effects of the utility model are as follows: the utility model has an ingenious structural design, and a rubber strip is reasonably added, which not only enhances the overall anti-pull performance, but also improves the roundness of the appearance; at the same time, it is equipped with a signal line and a small power line to meet different requirements. Functional requirements; the core wire is covered with tape layer, tinned copper braid layer, aluminum foil layer and PUR outer layer in sequence, and the tinned copper braid layer and aluminum foil layer are used for isolation, the shielding effect is good, and the radiation resistance is effectively improved And anti-interference ability, reduce external interference, and protect the large and small power lines and signal lines through the tape layer and the PUR outer layer, with good oil resistance, chemical resistance and wear resistance, toughness Good, anti-tearing, greatly prolonging the service life of the cable, which is conducive to widespread promotion and use.

Below in conjunction with accompanying drawing and embodiment, the utility model is further described.

Description of drawings

Fig. 1 is a structural representation of the utility model.

Detailed ways

Referring to Fig. 1, a servo motor connection cable provided in this embodiment includes rubber strip 1, four large power lines 2, one small power line 3, one signal line 4, tape layer 5, tinned copper braid Layer 6, aluminum foil layer 7 and PUR outer covering layer 8, the four large power lines 2 are divided into two groups symmetrically distributed on the upper and lower positions of the rubber strip 1, and the signal line 4 and the small power line 3 are symmetrically located on the left side of the rubber strip 1 , the right position, and the core wire formed by twisting with the rubber strip 1 as the center, the tape layer 5, the tinned copper braid layer 6, the aluminum foil layer 7 and the PUR outer layer 8 are sequentially coated on the core wire; The rubber strip 1 is added, which not only enhances the overall anti-pull performance, but also improves the roundness of the appearance; at the same time, it is equipped with a signal line 4 and a small power line 3 to meet the needs of different functions; Belt layer 5, tinned copper braid layer 6, aluminum foil layer 7 and PUR outer layer 8 are isolated by tinned copper braid layer 6 and aluminum foil layer 7, which has good shielding effect, effectively improves anti-radiation and anti-interference ability, and reduces external interference, and protect the large power line 2, small power line 3 and signal line 4 through the tape layer 5 and the PUR outer coating layer 8, which has good oil resistance, chemical resistance and wear resistance, and toughness Well, it is tear-resistant, greatly extending the life of the cable.

Specifically, the signal line 4 includes two signal wires 41 and an aluminum foil jacket 42 wrapped on the two signal wires 41; the aluminum foil jacket 42 is added to further improve the shielding effect and strong anti-interference ability. The small power line 3 includes a small conductor made of twisted copper wires and a TPE insulating layer covering the small conductor. The large power cord 2 includes a large conductor and a TPE insulating layer covering the power conductor. The TPE insulation layer is made of TPE material, which has high elasticity, good flexibility, and improves pull resistance.

Preferably, the thickness of the PUR outer coating layer 8 is 10.2-10.8 mm, preferably 10.5 mm. The thickness of the wrapping layer 5 is 0.3-0.4 mm, preferably 0.3 mm. The thickness of the tinned copper braiding layer 6 is 0.2-0.3 mm, preferably 0.3 mm. The thickness of the aluminum foil layer 7 is 0.1-0.2 mm, preferably 0.2 mm.

Preferably, in order to further enhance the effect of wear resistance and tensile resistance, a plurality of convex lines (not shown in the figure) extending along the axial direction are provided on the outer surface of the PUR outer coating layer 8 . The convex strips can enhance the tensile performance, and when in use, the convex strips are in contact with other objects or base surfaces first, so as to avoid direct contact with the PUR outer coating layer 8 and improve the service life. In addition, a grounding wire is embedded in the protrusion. Connecting one end of the grounding wire to the tinned copper braid 6 and grounding the other end can further improve the shielding effect and enhance the anti-interference ability. In addition, the PUR outer coating layer 8 may also be provided with spiral convex strips wound on its outer surface, and the whole is sheathed on the PUR outer coating layer 8 in the shape of a spring. The spiral convex strips can improve wear resistance and pull resistance without affecting flexibility. Preferably, a grounding wire is also embedded in the spiral convex strips. Connecting one end of the grounding wire to the tinned copper braid 6 and grounding the other end can further improve the shielding effect and enhance the anti-interference ability. Of course, it is also possible to cover the outer surface of the PUR outer layer 8 with a polyester fiber braided layer to protect the PUR outer layer 8 from or less affected by various light, heat, tide, low temperature, acid-base gas, etc. and the external environment. Mechanical damage ensures the safe operation of the cable in harsh environments and further prolongs the service life. In order to enhance the cooperation effect between the PUR outer layer 8 and the polyester fiber braided layer, the outer surface of the PUR outer layer 8 is covered with bumps that can be snapped into the meshes of the polyester fiber braided layer. In addition, a groove extending along the axial direction may also be provided on the inner surface of the PUR outer coating layer 8 , and a steel wire is provided on the bottom surface of the groove. Preferably, in order to tear off the PUR outer coating layer 8 conveniently, the cross-sectional profile of the steel wire is preferably triangular. A steel wire is added to increase the tensile performance, and it is also conducive to tearing off the PUR outer layer 8 conveniently and quickly, so as to facilitate the wiring process.

Preferably, the utility model servo motor connection cable can also be provided with a steel wire with a square cross-sectional profile between the aluminum foil layer 7 and the PUR outer layer 8, and the steel wire is along the axial direction of the PUR outer layer 8. extend. A steel wire is added to enhance the tensile performance, and it is also convenient to quickly peel off the PUR outer layer 8 when the steel wire is pulled, which brings convenience to the wiring process.

According to the disclosure and teaching of the above specification, those skilled in the art to which the present utility model belongs can also change and modify the above embodiment. Therefore, the utility model is not limited to the specific implementation manners disclosed and described above, and some modifications and changes to the utility model should also fall within the scope of protection of the claims of the utility model. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present utility model. As described in the above embodiments of the utility model, wires and cables of other structures obtained by adopting the same or similar structure are all within the protection scope of the utility model.

Claims (7)

1. A servo motor connection cable, characterized in that it includes rubber strips, four large power lines, one small power line, one signal line, tape layer, tinned copper braid, aluminum foil layer and PUR outer quilt Layer, four large power lines are divided into two groups symmetrically distributed on the upper and lower positions of the rubber strip, and signal lines and small power lines are symmetrically located on the left and right positions of the rubber strip respectively, and are twisted with the rubber strip as the center to form a core wire, the tape layer, tinned copper braid layer, aluminum foil layer and PUR outer coating layer are sequentially coated on the core wire; The small power line includes a small conductor made of twisted copper wires and a TPE insulating layer wrapped on the small conductor. 2. The servo motor connection cable according to claim 1, characterized in that: the large power line comprises a large conductor and a TPE insulating layer covering the power conductor. 3. The servo motor connection cable according to claim 1, characterized in that: the thickness of the PUR outer coating is 10.2-10.8 mm. 4. The servo motor connecting cable according to claim 1, characterized in that: the thickness of the tape layer is 0.3-0.4 mm. 5. The servo motor connecting cable according to claim 1, characterized in that: the thickness of the tinned copper braiding layer is 0.2-0.3 mm. 6. The servo motor connection cable according to claim 1, characterized in that: the thickness of the aluminum foil layer is 0.1-0.2 mm. 7. The servo motor connecting cable according to any one of claims 1-6, characterized in that: the outer surface of the PUR outer layer is provided with a plurality of convex lines extending along its axial direction, and the convex lines Embedded with a ground wire.