TWI766496B - Cable, cover component and manufacturing method thereof - Google Patents

Abstract

An cable is disclosed and includes a plurality of wires and a cover component. The cover component includes an inner layer and an outer layer. The inner layer includes a plurality of frames. The outer layer is disposed around the outer side of the inner layer and in connection with the plurality of frames, and a plurality of first accommodating channels are formed between the outer layer and the inner layer. The plurality of wires are respectively disposed within the corresponding one of the plurality of first accommodating channels.

Description

Cable, shielding element and method of making the same

This case is about a cable, especially a cable that can reduce electromagnetic interference.

Generally speaking, a cable, such as a network line or a universal serial bus (USB), etc., includes a plurality of wires, a filler and a coating layer, wherein the coating layer is coated on the outside of the plurality of wires, and the filler is filled between the cladding and the plurality of wires. However, the filler between the plurality of wires is usually cotton thread, strong plastic or a mixture of cotton thread and strong plastic, which is only used to strengthen the mechanical properties of the wire and does not have the function of isolating electromagnetic interference. As a result, multiple wires can be interfered with by signals transmitted from each other.

Some conventional cables include shielding elements, wherein the shielding element is used to isolate electromagnetic interference, which can be a cross-shaped aluminum foil bracket, and is arranged between a plurality of wires. Electromagnetic interference between wires. Other conventional cables use metal wires or films (FOILED TWISTED PAIR, FTP) as shielding elements to achieve the function of isolating electromagnetic interference. However, whether it is a cross-shaped aluminum foil bracket, a metal wire or a film (FTP) shielding element, it needs to be removed before subsequent processing, which increases the difficulty of subsequent processing. In addition, the cross-shaped shielding element can only achieve the effect of partially shielding the electromagnetic interference, but the shielding element does not completely cover the wires, resulting in poor anti-electromagnetic interference effect. Furthermore, the filler in the form of cotton thread is filled after the cross-shaped shielding element is installed, which makes it difficult to maintain the symmetry of the wire diameter of the cable, and cannot achieve better electrical and mechanical properties, and it is difficult to achieve the purpose of miniaturization.

In view of this, how to develop a method that can improve the above-mentioned deficiencies of the prior art is a problem that needs to be solved urgently at present.

The main purpose of this case is to provide a cable, a shielding element and a manufacturing method thereof, which can achieve the effects of strengthening electrical signals, improving the flexibility of the cable, reducing the electromagnetic interference between the wires, making the cable easier to process, and improving the assembly efficiency of the components. .

In order to achieve the above purpose, one of the broader implementation aspects of the present application is to provide a cable including a plurality of wires and a shielding element. The shielding element includes an inner layer and an outer layer. The inner layer contains a plurality of brackets. The outer layer is arranged around the inner layer and is connected with a plurality of brackets, and a plurality of first accommodating holes are formed between the inner layer and the outer layer. The plurality of wires are respectively accommodated in the corresponding first accommodating holes.

In order to achieve the above-mentioned purpose, another broader implementation aspect of the present application is to provide a shielding element, which is suitable for a cable, and the cable includes a plurality of electric wires. The shielding element includes an inner layer and an outer layer. The inner layer contains a plurality of brackets. The outer layer is arranged around the inner layer and is connected with a plurality of brackets, and a plurality of first accommodating holes are formed between the inner layer and the outer layer. The plurality of wires are respectively accommodated in the corresponding first accommodating holes.

In order to achieve the above purpose, another broader implementation aspect of the present case is to provide a method for manufacturing a cable, including the steps of: (a) providing a plurality of wires and shielding materials; (b) performing a first extrusion molding process to shield the shielding material. The material is extruded into an inner layer, and the inner layer has a plurality of brackets; and (c) a second extrusion process is performed to extrude the shielding material on the inner layer and the outside of the plurality of wires to form the outer layer and make the outer layer; A plurality of brackets of the inner layer are connected to the outer layer, a plurality of first accommodating holes are formed between the inner layer and the outer layer, and a plurality of wires are respectively accommodated in the corresponding first accommodating holes.

100, 101: Cable

1: wire

2: shielding element

21: inner layer

210: Central Department

210a: the second accommodating hole

211: Bracket

211a: Free end

22: Outer layer

220: accommodating space

221: convex part

23: The first accommodating hole

3: The first mold

30: Gap

4: Second mold

41: Positioning Ribs

5: The third mold

50: Gap

6: Fourth mold

61: Positioning Ribs

S11~S13, S21~S23: manufacturing method steps of cables

FIG. 1 is a schematic diagram of the structure of the cable according to the first embodiment of the present invention.

FIG. 2 is a schematic cross-sectional view of the cable shown in FIG. 1 .

Figure 3 is a schematic diagram of the structure of the inner layer of the cable shown in Figure 1.

FIG. 4 is a schematic cross-sectional view of the outer layer shown in FIG. 1 .

FIG. 5 is a schematic cross-sectional view of the cable according to the second embodiment of the present invention.

FIG. 6 is a schematic diagram of the structure of the inner layer of the cable shown in FIG. 5 .

FIG. 7 is a schematic cross-sectional view of the outer layer shown in FIG. 5 .

FIG. 8 is a schematic flowchart of the manufacturing method of the cable according to the first embodiment of the present invention.

FIG. 9 is a schematic cross-sectional view of a first mold to which the cable manufacturing method according to the first embodiment of the present invention is applied.

FIG. 10 is a schematic cross-sectional view of a second mold to which the cable manufacturing method according to the first embodiment of the present invention is applied.

FIG. 11 is a schematic flow chart of the manufacturing method of the cable according to the second embodiment of the present invention.

FIG. 12 is a schematic cross-sectional view of a third mold to which the cable manufacturing method according to the second embodiment of the present invention is applied.

FIG. 13 is a schematic cross-sectional view of a fourth mold to which the cable manufacturing method according to the second embodiment of the present invention is applied.

Some typical embodiments embodying the features and advantages of the present case will be described in detail in the description of the latter paragraph. It should be understood that this case can have various changes in different aspects, all of which do not depart from the scope of this case, and the descriptions and diagrams therein are essentially for illustrative purposes rather than limiting the present case.

Please refer to Figures 1 to 4. Figure 1 is a schematic diagram of the structure of the cable according to the first embodiment of the present application. Figure 2 is a schematic cross-sectional view of the cable shown in Figure 1, Figure 3 is a schematic view of the structure of the inner layer of the cable shown in Figure 1, and Figure 4 is a schematic cross-sectional view of the outer layer shown in Figure 1. As shown in FIG. 1 , the cable 100 of the first embodiment of the present application is described by taking a network line as an example, but the type of the cable is not limited to this. The cable 100 includes a plurality of wires 1 and shielding elements 2 . The shielding element 2 includes an inner layer 21 and an outer layer 22 . The inner layer 21 includes a plurality of brackets 211 . The outer layer 22 is disposed around the inner layer 21 and is connected with a plurality of brackets 211 , and a plurality of first accommodating holes 23 are formed between the inner layer 21 and the outer layer 22 . The plurality of wires 1 are respectively accommodated in the corresponding first accommodating holes 23 . Through the above-mentioned connection method of the inner layer 21 and the outer layer 22, the first accommodating hole 23 with a small volume and a special hexagonal cross-sectional shape can be manufactured, which not only meets the requirements of completely covering the wires and miniaturization, but also achieves the strengthening Electrical signals and enhance the flexibility of cables and other effects. In addition, the shielding element 2 completely separates the plurality of wires 1 into the corresponding first accommodating holes 23, which can greatly reduce the electromagnetic interference between the wires. Furthermore, the cable 100 of the present application does not need to be additionally provided with a conventional cross-shaped bracket, metal wire or film as a shielding element, so as to facilitate the subsequent processing of the cable 100 .

As shown in FIG. 3 , in this embodiment, the inner layer 21 includes five brackets 211 , the five brackets 211 are respectively connected to each other, and the four brackets 211 respectively include a free end 211 a. Also, as shown in FIG. 4 , in this embodiment, the outer layer 22 is a hollow pipeline and has an accommodating space 220 for accommodating the inner layer 21 . In this embodiment, an inner surface of the outer layer 22 has a plurality of convex portions 221 regularly distributed, but not limited thereto. Wherein, each protruding portion 221 is respectively connected to the free end 211 a of the bracket 211 corresponding to the inner layer 21 . When the inner layer 21 is correspondingly disposed in the accommodating space 220 of the outer layer 22, its cross section will be as shown in FIG. 2, and the outer layer 22 and the inner layer 21 of the shielding element 2 together form a plurality of hexagonal first accommodating spaces hole 23. More specifically, the plurality of first accommodating holes 23 are jointly defined by the plurality of brackets 211 of the inner layer 21 and the outer layer 22 , and the cross-section of each first accommodating hole 23 is a regular hexagon. Through the configuration of the hexagonal first accommodating holes 23 in this case, the structure of the cable 100 can be stabilized. It is fixed and completely covered, and in the case of miniaturization, it can strengthen the electrical signal and improve the flexibility of the cable. In this embodiment, the shielding element 2 is, but not limited to, an integrally formed structure.

Please refer to Figures 5 to 7, Figure 5 is a schematic cross-sectional view of the cable according to the second embodiment of the present application, Figure 6 is a schematic diagram of the structure of the inner layer of the cable shown in Figure 5, and Figure 7 is the first 5 shows a schematic cross-sectional view of the outer layer. The cable 101 of the second embodiment of the present application is described by taking a universal serial bus (USB Type-C) cable as an example, but the type of the cable is not limited to this. The cable 101 includes a plurality of wires 1 and shielding elements 2 . The shielding element 2 includes an inner layer 21 and an outer layer 22 . The inner layer 21 includes a center portion 210 and a plurality of brackets 211, wherein the center portion 210 further includes a second accommodating hole 210a. The outer layer 22 is disposed around the inner layer 21 and is connected to a plurality of brackets 211 . Similar to the previous embodiment, a plurality of first accommodating holes 23 are formed between the inner layer 21 and the outer layer 22 . The plurality of wires 1 are respectively accommodated in the corresponding first accommodating holes 23 and the second accommodating holes 210a. Through the above-mentioned connection method of the inner layer 21 and the outer layer 22, the first accommodating hole 23 and the second accommodating hole 210a, which are small in size and have a special hexagonal cross-sectional shape, can be manufactured, which not only achieves complete coating of wires and tiny In order to meet the needs of the change, it can also achieve the effects of strengthening the electrical signal and improving the flexibility of the cable. In addition, the shielding element 2 completely separates the plurality of wires 1 into the corresponding first accommodating holes 23 and the second accommodating holes 210a, which can greatly reduce the electromagnetic interference between the wires. Furthermore, the cable 101 of the present application does not need to be additionally provided with a conventional cross-shaped bracket, metal wire or film as a shielding element, so as to facilitate the subsequent processing of the cable 101 .

As shown in FIG. 6 , in this embodiment, the inner layer 21 includes a center portion 210 and six brackets 211 , the six brackets 211 are respectively connected to the center portion 210 , and each bracket 211 includes a free end 211 a respectively. In this embodiment, the cross-section of the central portion 210 is hexagonal, and the cross-section of the second accommodating hole 210a of the central portion 210 is also hexagonal. Also, as shown in FIG. 7, in this embodiment, the outer layer 22 is a hollow pipeline, and has an accommodating space 220 for accommodating The space 220 is used for accommodating the inner layer 21 . In this embodiment, an inner surface of the outer layer 22 has a plurality of convex portions 221 regularly distributed, but not limited thereto. Wherein, each protruding portion 221 is respectively connected to the free end 211 a of the bracket 211 corresponding to the inner layer 21 . When the inner layer 21 is correspondingly disposed in the accommodating space 220 of the outer layer 22, its cross-section will be as shown in FIG. 5, and the outer layer 22 and the inner layer 21 of the shielding element 2 together form a plurality of hexagonal first accommodating spaces hole 23. More specifically, the plurality of first accommodating holes 23 are jointly defined by the central portion 210 of the inner layer 21 , the plurality of brackets 211 and the outer layer 22 , and the cross-section of each first accommodating hole 23 is a regular hexagon. shape. Through the configuration of the first accommodating hole 23 and the second accommodating hole 210a in the hexagonal shape of the present case, the structure of the cable 101 can be stably and completely covered, and in the case of miniaturization, it can achieve enhanced electrical signal and Improve the flexibility of the cable. In this embodiment, the shielding element 2 is, but not limited to, an integrally formed structure.

Please refer to FIG. 1 to FIG. 4 and FIG. 8 . FIG. 8 is a schematic flowchart of the manufacturing method of the cable according to the first embodiment of the present invention. The manufacturing method of the cable 100 according to the first embodiment of the present application includes the following steps. First, as shown in step S11, a plurality of wires 1 and a shielding material are provided. Wherein, the shielding material can be, but not limited to, rubber, foam or other electrical insulating materials. Next, as described in step S12, a first extrusion molding process is performed, wherein the first extrusion molding process is to extrude the masking material into the inner layer 21, and the inner layer 21 has a plurality of brackets 211, that is, as shown in Figure 3. In this embodiment, the inner layer 21 includes five brackets 211 , the five brackets 211 are respectively connected to each other, and four brackets 211 of the five brackets 211 respectively include a free end 211 a. Next, as described in step S13, a second extrusion molding process is performed. The second extrusion molding process is to further extrude the masking material on the outer side of the inner layer 21 to form the outer layer 22 and make the inner layer A plurality of brackets 211 of 21 are connected to the outer layer 22, and a plurality of first accommodating holes 23 are formed between the inner layer 21 and the outer layer 22, and a plurality of wires 1 are respectively accommodated in the corresponding first accommodating holes 23 , as shown in Figure 2. In this case, through the secondary extrusion molding process between the stent 211 of the inner layer 21 and the outer layer 22, a smaller volume and The first accommodating hole 23 with a special hexagonal cross-sectional shape not only achieves the requirements of completely covering the wire and miniaturization, but also achieves the effects of strengthening electrical signals and improving the flexibility of the cable. In addition, the shielding element 2 completely separates the plurality of wires 1 into the corresponding first accommodating holes 23, which can greatly reduce the electromagnetic interference between the wires.

Please refer to Figures 1 to 4 and Figures 9 to 10. Figure 9 is a schematic cross-sectional view of a first mold to which the cable manufacturing method according to the first embodiment of the present application is applied, and Figure 10 is the first embodiment of the present application. A schematic cross-sectional view of the second mold to which the cable manufacturing method of the embodiment is applied. In step S12 of the manufacturing method of the cable 100 of the present embodiment, a first extrusion molding process is performed through the first mold 3 shown in FIG. The gap 30 of the brackets 211 of 21 conforms to the contour, and the masking material is extruded through the first die 3 to form the inner layer 21 having a plurality of brackets 211 . In step S13 of the manufacturing method of the cable 100 of the present embodiment, a second extrusion molding process is performed through the second mold 4 shown in FIG. outside to form the outer layer 22 . The second mold 4 includes a plurality of positioning ribs 41, but not limited thereto. In this embodiment, the plurality of positioning ribs 41 are respectively constructed on the corresponding brackets 211 of the positioning inner layer 21 . The plurality of brackets 211 of the inner layer 21 are positioned on the corresponding positioning ribs 41 of the second mold 4. When the outer layer 22 is extruded, the outer layer 22 can be accurately joined with the plurality of brackets 211 of the inner layer 21, so that the A first accommodating hole 23 with a hexagonal cross-sectional shape is formed between the inner layer 21 and the outer layer 22 . Through the first extrusion molding process and the second extrusion molding process, the inner layer 21 and the outer layer 22 form an integrally molded shielding element 2 .

Please refer to FIG. 5 to FIG. 7 and FIG. 11 . FIG. 11 is a schematic flowchart of the manufacturing method of the cable according to the second embodiment of the present invention. The manufacturing method of the cable 101 according to the second embodiment of the present application includes the following steps. First, as shown in step S21, a plurality of wires 1 and a shielding material are provided. Wherein, the shielding material can be, but not limited to, rubber, foam or other electrical insulating materials. Next, as described in step S22, a first extrusion molding process is performed, wherein the first extrusion molding process is performed. The procedure is to extrude the shielding material on the outside of a wire 1 to form an inner layer 21, and the inner layer 21 has a center portion 210 and a plurality of brackets 211, wherein the center portion 210 includes a second accommodating hole 210a, and the wire 1 It is accommodated in the second accommodating hole 210a, as shown in FIG. 5 . In this embodiment, the inner layer 21 includes a central portion 210 and six brackets 211 . The six brackets 211 are respectively connected to the central portion 210 , and each of the brackets 211 includes a free end 211 a respectively. In this embodiment, the cross-section of the central portion 210 is hexagonal, and the cross-section of the second accommodating hole 210a of the central portion 210 is also hexagonal. Next, as described in step S23, a second extrusion molding process is performed. The second extrusion molding process is to further extrude the masking material on the outer side of the inner layer 21 to form the outer layer 22 and make the inner layer A plurality of brackets 211 of 21 are connected to the outer layer 22, and a plurality of first accommodating holes 23 are formed between the inner layer 21 and the outer layer 22, and a plurality of wires 1 are respectively accommodated in the corresponding first accommodating holes 23 , as shown in Figure 5. In this case, through the secondary extrusion molding process between the bracket 211 of the inner layer 21 and the outer layer 22, the first accommodating hole 23 and the second accommodating hole 210a having a small volume and a special hexagonal cross-sectional shape can be manufactured , not only to meet the needs of complete coating of wires and miniaturization, but also to strengthen electrical signals and improve the flexibility of cables and other effects. In addition, the shielding element 2 completely separates the plurality of wires 1 into the corresponding first accommodating holes 23 and the second accommodating holes 210a, which can greatly reduce the electromagnetic interference between the wires.

Please refer to Figures 5 to 7 and Figures 12 to 13. Figure 12 is a schematic cross-sectional view of a third mold to which the cable manufacturing method of the second embodiment of the present application is applied, and Figure 13 is the second embodiment of the present application. A schematic cross-sectional view of the fourth mold to which the cable manufacturing method of the embodiment is applied. In step S22 of the manufacturing method of the cable 101 of the present embodiment, a first extrusion molding process is performed through the third mold 5 shown in FIG. The gap 50 of the bracket 211 of 21 conforms to the contour, and the masking material is extruded through the third die 5 to form the inner layer 21 having the central portion 210 and the plurality of brackets 211 . In step S23 of the manufacturing method of the cable 101 of the present embodiment, the fourth mold 6 shown in FIG. The second extrusion molding process is performed, and the fourth die 6 extrudes the masking material on the outer side of the inner layer 21 to form the outer layer 22 . The fourth mold 6 includes a plurality of positioning ribs 61, but not limited thereto. In this embodiment, the plurality of positioning ribs 61 are respectively constructed on the corresponding brackets 211 of the positioning inner layer 21 . The plurality of brackets 211 of the inner layer 21 are positioned on the corresponding positioning ribs 61 of the fourth mold 6. When the outer layer 22 is extruded, the outer layer 22 can be accurately joined with the plurality of brackets 211 of the inner layer 21. A first accommodating hole 23 with a hexagonal cross-sectional shape is formed between the inner layer 21 and the outer layer 22 . Through the first extrusion molding process and the second extrusion molding process, the inner layer 21 and the outer layer 22 form an integrally molded shielding element 2 .

To sum up, through the secondary extrusion molding process of the inner layer and the outer layer, the cable in this case can produce a smaller volume and a hexagonal cross-sectional shape of the receiving hole, which not only achieves complete coating of the wire and miniaturized Demand, but also to strengthen the electrical signal and improve the flexibility of the cable and other effects. The shielding element of the present case completely separates the plurality of wires into the corresponding accommodating holes, which can achieve the effect of greatly reducing the electromagnetic interference between the wires, and does not require additional conventional cross-shaped brackets, metal wires or films. The shielding element is used to facilitate the subsequent processing of the cable. The cable in this case performs the second extrusion molding operation through a mold with positioning ribs, so that the inner layer and the outer layer can be assembled quickly and accurately, and the assembly efficiency of the components is improved.

This case can be modified by Shi Jiangsi, a person who is familiar with this technology, but all of them do not deviate from the protection of the scope of the patent application attached.

100: Cable

1: wire

2: shielding element

21: inner layer

22: Outer layer

23: The first accommodating hole

Claims (13)

A cable, comprising: a plurality of wires; and a shielding element, comprising: an inner layer, including a plurality of brackets; and an outer layer, arranged around the inner layer and connected with the plurality of brackets, a plurality of A first accommodating hole is formed between the inner layer and the outer layer, wherein the cross section of each first accommodating hole is hexagonal; wherein, the plurality of wires are respectively accommodated in the corresponding plurality of first accommodating holes into the hole. The cable of claim 1, wherein the inner layer includes a center portion, the center portion includes a second accommodating hole, at least one of the wires is accommodated in the second accommodating hole of the center portion, wherein the The cross-section of the central portion is hexagonal, and the cross-section of the second accommodating hole is hexagonal. The cable according to claim 1, wherein the outer layer is a hollow pipeline and has an accommodating space for accommodating the inner layer. The cable according to claim 1, wherein an inner surface of the outer layer has a plurality of protrusions, and each of the protrusions is connected to the corresponding bracket. The cable according to claim 1, wherein the shielding element is an integrally formed structure. A shielding element is suitable for a cable, the cable includes a plurality of wires, wherein the shielding element includes: an inner layer, including a plurality of brackets; and an outer layer, arranged around the inner layer, and with the plurality of The brackets are connected, and a plurality of first accommodating holes are formed between the inner layer and the outer layer; wherein, the plurality of wires of the cable are respectively accommodated in the corresponding plurality of first accommodating holes, The cross section of each of the first accommodating holes is hexagonal. The shielding element according to claim 6, wherein the inner layer comprises a central portion, at least one of the wires is accommodated in the central portion, wherein the cross-section of the central portion is hexagonal. The shielding element according to claim 6, wherein the outer layer is a hollow pipeline and has an accommodating space for accommodating the inner layer. The shielding element according to claim 6, wherein an inner surface of the outer layer has a plurality of protrusions, and each of the protrusions is connected to the corresponding bracket. The shielding element according to claim 6, wherein the shielding element is an integrally formed structure. A method for manufacturing a cable, comprising the steps of: (a) providing a plurality of wires and a shielding material; (b) performing a first extrusion molding process, extruding the shielding material into an inner layer, and the inner layer The layer has a plurality of brackets; and (c) performing a second extrusion molding process, extruding the shielding material on the inner layer and the outer sides of the plurality of wires to form an outer layer, and making the inner layer of the A plurality of brackets are connected to the outer layer, and a plurality of first accommodating holes are formed between the inner layer and the outer layer, and the plurality of wires are respectively accommodated in the corresponding plurality of first accommodating holes, wherein The cross section of each of the first accommodating holes is hexagonal. The method for manufacturing a cable as claimed in claim 11, wherein the inner layer comprises a center portion, and the first extrusion molding process is to extrude the shielding material on the outer side of at least one of the wires, so that at least one of the wires It is accommodated in the central portion, wherein the cross-section of the central portion is hexagonal. The cable manufacturing method as claimed in claim 11, wherein the inner layer and the outer layer form an integrally formed structure by the first extrusion molding process and the second extrusion molding process.

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