CN215730973U - Cable protection architecture and data cable - Google Patents
Cable protection architecture and data cable Download PDFInfo
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- CN215730973U CN215730973U CN202121639439.0U CN202121639439U CN215730973U CN 215730973 U CN215730973 U CN 215730973U CN 202121639439 U CN202121639439 U CN 202121639439U CN 215730973 U CN215730973 U CN 215730973U
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Abstract
The utility model discloses a cable protection structure and a data cable, and belongs to the technical field of signal transmission, wherein the cable protection structure comprises a first protection sleeve, the first protection sleeve is configured to be sleeved outside an outer conductor of the data cable, and the first protection sleeve comprises a first thickness section; the second protective sleeve comprises a third thickness section, the third thickness section is sleeved outside the first thickness section, and the thickness of the third thickness section is different from that of the first thickness section; the first protective sheath has a hardness greater than a hardness of the second protective sheath. The cable protection structure and the data cable provided by the utility model can effectively prevent the connection part of the core wire and the connector or the earphone from being broken, have smaller failure probability due to abrasion, and improve the reliability of the cable protection structure for protecting the core wire.
Description
Technical Field
The utility model relates to the technical field of signal transmission, in particular to a cable protection structure and a data cable.
Background
At present, the connection position of the cable and the connector or the earphone is usually provided with an SR (strain relief) structure, and the SR structure is used for relieving the stress of the cable so as to prevent the core wire at the connection position of the cable and the connector or the earphone from being broken.
In the prior art, as shown in fig. 8, an SR structure 102 is coated outside a cable 101, and specifically, after the cable 101 is formed, the SR structure 102 is formed outside the cable 101, that is, the SR structure 102 protrudes from the cable 101. One end of cable 101 forming SR structure 102 is connected to connector 103. However, since the SR structure 102 is exposed to the outside, the SR structure 102 is easily worn due to contact with other objects, and when the SR structure 102 is worn, its ability to counteract stress is reduced, so that the core wire at the connection between the cable and the connector is easily broken.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cable protection structure and a data cable, which can effectively prevent the connection part of a core wire and a connector or an earphone from being broken, have low failure probability due to abrasion and improve the reliability of the cable protection structure for protecting the core wire.
As the conception, the technical scheme adopted by the utility model is as follows:
a cable protection structure, comprising:
a first protective sheath configured to be disposed over an outer conductor of a data cable, the first protective sheath including a first thickness section;
the second protective sleeve comprises a third thickness section, the third thickness section is sleeved outside the first thickness section, and the thickness of the third thickness section is different from that of the first thickness section;
the first protective sheath has a hardness greater than a hardness of the second protective sheath.
Optionally, the first protective sheath further includes a second thickness section connected to the first thickness section, the second protective sheath further includes a fourth thickness section connected to the third thickness section, the fourth thickness section is sleeved outside the second thickness section, and the sum of the thicknesses of the first thickness section and the third thickness section is equal to the sum of the thicknesses of the second thickness section and the fourth thickness section.
Optionally, the thickness of the first thickness section is greater than the thickness of the second thickness section, and the thickness of the third thickness section is less than the thickness of the fourth thickness section.
Optionally, the thickness of the first thickness section is 0.3 mm to 0.4 mm, and the thickness of the third thickness section is 0.1 mm to 0.2 mm.
Optionally, the first protective sheath further includes a first transition section, the second protective sheath further includes a second transition section, the first transition section is connected between the first thickness section and the second thickness section, the second transition section is connected between the third thickness section and the fourth thickness section, the second transition section is sleeved outside the first transition section, the first transition section is in a hollow circular truncated cone shape, and an inner wall of the second transition section is attached to an outer wall of the first transition section.
Optionally, the first protective sheath is a hard rubber sheath, and the second protective sheath is a soft rubber sheath.
Optionally, the first protective sheath is provided with a plurality of pores, and the pores are internally provided with sponge or foam.
Optionally, the first protective sheath and the second protective sheath are configured to be formed by two-shot molding, and the first protective sheath is formed by one shot and the second protective sheath is formed by two shots.
Optionally, the length of the first thickness section is 10 centimeters.
A data cable comprises a core wire, an insulating layer coated outside the core wire, an outer conductor coated outside the insulating layer and a cable protection structure, wherein a first protection sleeve of the cable protection structure is sleeved outside the outer conductor.
The utility model has at least the following beneficial effects:
in the cable protection structure and the data cable provided by this embodiment, the first protection sheath includes a first thickness section, the second protection sheath includes a third thickness section, and the thickness and hardness of the first thickness section and the third thickness section are different, so that the first thickness section and the third thickness section can be mutually matched to eliminate the stress of the data cable, when in use, the first thickness section and the third thickness section can be arranged at the connection part of the data cable and the connector, the earphone and the like, so that the first thickness section and the third thickness section can effectively protect the core wire at the connection part, thereby preventing the core wire from breaking, sleeving a first protective sleeve made of hard material outside the outer conductor, sleeving a second protective sleeve made of soft material outside the first protective sleeve, reducing the probability of abrasion of the first protective sleeve and the first thickness section, and then reduced the probability that the cable protection architecture takes place to become invalid, improved the reliability of cable protection architecture protection heart yearn.
Drawings
Fig. 1 is a schematic cross-sectional view of a cable protection structure according to an embodiment of the present invention;
FIG. 2 is a cross-sectional schematic view of another cable protection configuration provided by embodiments of the present invention;
FIG. 3 is a first exploded view of a data cable according to an embodiment of the present invention;
FIG. 4 is a second exploded view of the data cable according to the embodiment of the present invention;
FIG. 5 is a third exploded view of a data cable according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a second protective sheath provided in accordance with an embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view of a first protective sheath provided in accordance with an embodiment of the utility model;
fig. 8 is a schematic structural diagram of a data transmission apparatus in the prior art according to an embodiment of the present invention.
In the figure:
1. a first protective sheath; 11. a first thickness section; 12. a second thickness section; 13. a first transition section; 2. a second protective cover; 21. a third thickness section; 22. a fourth thickness section; 23. a second transition section; 10. a core wire; 20. An insulating layer; 30. an outer conductor; 40. presetting an axis;
101. a cable; 102. an SR structure; 103. a connector is provided.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment provides a cable protection structure, which is used for protecting a core wire 10, an insulating layer 20 and an outer conductor 30 of a data cable, and can effectively prevent the fracture of the joint of the core wire 10 and a connector or an earphone, so that the probability of failure due to abrasion is low, and the reliability of the cable protection structure for protecting the core wire 10 is improved.
As shown in fig. 1 to 7, the cable protection structure includes a first protection sleeve 1 and a second protection sleeve 2 sleeved outside the first protection sleeve 1.
Wherein, the first protective sheath 1 is configured to be sleeved outside the outer conductor 30 of the data cable, and the inner wall of the first protective sheath 1 is in contact with the outer conductor 30. The first protection sleeve 1 comprises a first thickness section 11, the first thickness section 11 is specifically located at one end of the first protection sleeve 1, and the end of the first thickness section 11 is used for connecting with a connector, an earphone and other structures. In some embodiments, the end of the first thickness section 11 may extend into the housing of the connector or the housing of the earphone to facilitate connection with the connector or the earphone.
Referring to fig. 1, the second protective sleeve 2 includes a third thickness section 21, the length of the third thickness section 21 is equal to the length of the first thickness section 11, and the third thickness section 21 is sleeved outside the first thickness section 11. The third thickness section 21 is located at one end of the second protective sleeve 2, and the end of the third thickness section 21 is used for connecting with a connector, an earphone and the like.
As shown in fig. 1 or fig. 2, the thickness of the first thickness section 11 is different from that of the third thickness section 21, wherein fig. 1 is a schematic diagram that the thickness of the first thickness section 11 is smaller than that of the third thickness section 21, and fig. 2 is a schematic diagram that the thickness of the first thickness section 11 is larger than that of the third thickness section 21. Illustratively, the thickness of the first thickness section 11 is 0.3 mm to 0.4 mm, and the thickness of the third thickness section 21 is 0.1 mm to 0.2 mm. In other embodiments. Through the cooperation of the different thicknesses of first thickness section 11 and third thickness section 21, can offset some bending stress, and then can protect heart yearn 10 effectively.
In this embodiment, the hardness of the first protective sheath 1 is greater than the hardness of the second protective sheath 2, for example: the first protective sleeve 1 is made of a material with relatively high hardness, and the second protective sleeve 2 is made of a material with relatively low hardness, but it is understood that the hardness of the first protective sleeve 1 and the hardness of the second protective sleeve 2 may be different without selecting the materials, the first protective sleeve 1 may be processed by a process to obtain a protective sleeve with relatively high hardness, and the second protective sleeve 2 may be processed by a process to obtain a protective sleeve with relatively low hardness. Hardness through with first protective sheath 1 and second protective sheath 2 sets up to the difference, can improve the bending resistance and the anti-shear property of first protective sheath 1 after the combination and second protective sheath 2, and then can reduce the broken probability of taking place for the heart yearn 10 that first protective sheath 1 and second protective sheath 2 wrapped up. The first protective sheath 1 of inlayer is harder can play the effect of protection its inner structure, and outer second protective sheath 2 is softer can have good feeling, just buckles more easily. Optionally, the first protection cover 1 in this embodiment is a hard rubber cover, for example, the first protection cover 1 is made of an elastomer or synthetic rubber with a relatively high hardness; the second protection sleeve 2 in this embodiment is a soft rubber sleeve, for example, the second protection sleeve 2 is made of an elastomer or synthetic rubber with a smaller hardness.
In the cable protection structure provided by this embodiment, the first protection sleeve 1 includes the first thickness section 11, the second protection sleeve 2 includes the third thickness section 21, and the thickness and hardness of the first thickness section 11 and the third thickness section 21 are different, so that the first thickness section 11 and the third thickness section 21 can be matched with each other to eliminate the stress of the data cable, when in use, the first thickness section 11 and the third thickness section 21 can be disposed at the connection position of the data cable and the connector, the earphone, etc., so that the core wires at the connection position can be effectively protected by the first thickness section 11 and the third thickness section 21, and further the core wires 10 are prevented from being broken, the first protection sleeve 1 made of a harder material is sleeved outside the outer conductor 30, and the second protection sleeve 2 made of a softer material is sleeved outside the first protection sleeve 1, so that the probability of abrasion of the first protection sleeve 1 and the first thickness section 11 can be reduced, and further the probability of failure of the cable protection structure is reduced, the reliability of cable protection architecture protection heart yearn has been improved.
In addition, the first protective sheath 1 does not have a step structure, so that the outer conductor 30 is not damaged, new breaking points are not added, and the protective effect on the core wire 10 and the outer conductor 30 is improved.
Optionally, the first protective sheath 1 has a different thickness in its extension direction, in particular, as shown in fig. 1 or fig. 2, the first protective sheath 1 further comprises a second thickness section 12 interconnected with the first thickness section 11 but having a different thickness. The end of the first thickness section 11 not connected with the second thickness section 12 is used for connecting with a connector, an earphone and the like. Alternatively, the thickness of the first thickness section 11 may be greater or less than the thickness of the second thickness section 12.
As shown in fig. 1, the distance between the inner wall of the first thickness section 11 and the predetermined axis 40 is equal to the distance between the inner wall of the second thickness section 12 and the predetermined axis 40, so that there is no step structure on the inner wall of the first protection sleeve 1, and the first protection sleeve 1 does not damage the outer conductor 30, and the first thickness section 11 and the second thickness section 12 can be in contact with the outer conductor 30, and the outer conductor 30 is not squeezed. The predetermined axis 40 may be a central axis of the first protective sheath 1 or a central axis of the data cable.
With continued reference to fig. 1 or 2, the second protective sheath 2 has a different thickness in the extension direction thereof, and in particular, the second protective sheath 2 further comprises a fourth thickness section 22 which is connected with the third thickness section 21 and has a different thickness. The fourth thickness section 22 is sleeved outside the second thickness section 12, the length of the fourth thickness section 22 is equal to that of the second thickness section 12, and the inner wall of the fourth thickness section 22 contacts with the outer wall of the second thickness section 12. Optionally, the material of the second thickness section 12 is the same as the material of the first thickness section 11.
As shown in fig. 1 and 2, the distance between the outer wall of the third thickness section 21 and the preset axis 40 is equal to the distance between the outer wall of the fourth thickness section 22 and the preset axis 40, that is, the sum of the thicknesses of the first thickness section 11 and the third thickness section 21 is equal to the sum of the thicknesses of the second thickness section 12 and the fourth thickness section 22. The outer wall of the second protective layer 2 is not provided with a step structure, so that the probability of generating local stress when the cable protective structure is bent can be reduced, and the attractiveness of the cable protective structure can be improved. Optionally, the material of the fourth thickness section 22 is the same as the material of the second thickness section 11.
It should be noted that, in the present embodiment, the sum of the thickness of the first thickness section 11 and the thickness of the third thickness section 21 is equal to the sum of the thickness of the second thickness section 12 and the thickness of the fourth thickness section 22, so that the protective structure is smooth as a whole, so that the uniformity of protecting the inner core wire 10 can be improved.
In some embodiments, as shown in fig. 1, the thickness of the first thickness section 11 is greater than the thickness of the second thickness section 12, and the thickness of the third thickness section 21 is less than the thickness of the fourth thickness section 22, so that the thickness of the whole of the first thickness section 11 and the third thickness section 21 is equal to the thickness of the whole of the second thickness section 12 and the fourth thickness section 22. In still other embodiments, as shown in fig. 2, the thickness of the first thickness section 11 is less than the thickness of the second thickness section 12, and the thickness of the third thickness section 21 is less than the thickness of the fourth thickness section 22.
As shown in fig. 3 to 5, the first protection sleeve 1 further includes a first transition section 13, the first transition section 13 is connected between the first thickness section 11 and the second thickness section 12, and the first transition section 13 is in a hollow circular truncated cone shape, so as to be able to transition the first thickness section 11 and the second thickness section 12 with different thicknesses, thereby preventing the first protection sleeve 1 from having a step structure, and also enabling the transition of the first protection sleeve 1 to be smoother.
Further, as shown in FIG. 6, the second protective sheath 2 further comprises a second transition section 23, wherein the second transition section 23 is connected between the third thickness section 21 and the fourth thickness section 22. The second transition section 23 is sleeved outside the first transition section 13, and the inner wall of the second transition section 23 is attached to the outer wall of the first transition section 13, so that the transition of the second protection sleeve 2 can be smooth. Optionally, a structure formed by enclosing the inner wall of the second transition section 23 is in a circular truncated cone shape so as to be capable of being matched with the first transition section 13.
Optionally, the first protection sleeve 1 is provided with a plurality of holes, and the plurality of holes are distributed along the length direction and the circumferential direction of the first protection sleeve 1. For example, the first thickness section 11 and the second thickness section 12 may be provided with a hole respectively. The pore canal is filled with sponge or foam to further improve the bending resistance and the shearing resistance of the first protective sleeve 1. In this embodiment, the cross section of the duct includes, but is not limited to, a circle, a semicircle, a triangle, a square, etc., and can be set according to actual needs.
In this embodiment, the first protective sheath 1 and the second protective sheath 2 are configured to be formed by a two-shot molding method, wherein one shot of the two-shot molding method forms the first protective sheath 1 and the other shot forms the second protective sheath 2. Alternatively, when the first protection cover 1 has a hole, a coating body may be provided at a surface position of the first protection cover 1 or at a position inside the wall so as to form the hole.
In this embodiment, the length of the first thickness section 11 may be determined according to actual conditions, for example, the length of the first thickness section 11 is 0.08 to 0.12 times of the length of the first protection sleeve 1. Illustratively, in the present embodiment, the length of the first thickness section 11 is 10 cm, and the thickness of the second thickness section 12 is 100 cm.
The embodiment also provides a data cable, and the data cable has higher bending resistance and is not easy to break.
As shown in fig. 5, the data cable includes a core wire 10, an insulating layer 20 covering the core wire 10, an outer conductor 30 covering the insulating layer 20, and the cable protection structure. Wherein, the first protective sheath 1 of the cable protective structure is sleeved outside the outer conductor 30. In some embodiments, an outer insulating layer may be further disposed between the outer conductor 30 and the first protective sheath 1, which is not limited in this embodiment.
The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the utility model, which changes and modifications are within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. A cable protection structure, comprising:
a first protective sheath (1), the first protective sheath (1) being configured to be sleeved outside an outer conductor (30) of a data cable, the first protective sheath (1) comprising a first thickness section (11);
the second protective sleeve (2) comprises a third thickness section (21), the third thickness section (21) is sleeved outside the first thickness section (11), and the thickness of the third thickness section (21) is different from that of the first thickness section (11);
the hardness of the first protective sleeve (1) is greater than the hardness of the second protective sleeve (2).
2. The cable protection structure according to claim 1, characterized in that said first protective sheath (1) further comprises a second thickness section (12) connected to said first thickness section (11), said second protective sheath (2) further comprises a fourth thickness section (22) connected to said third thickness section (21), said fourth thickness section (22) being sleeved outside said second thickness section (12), and the sum of the thicknesses of said first thickness section (11) and said third thickness section (21) being equal to the sum of the thicknesses of said second thickness section (12) and said fourth thickness section (22).
3. Cable protection structure according to claim 2, characterized in that the thickness of said first thickness section (11) is greater than the thickness of said second thickness section (12) and the thickness of said third thickness section (21) is less than the thickness of said fourth thickness section (22).
4. Cable protection structure as claimed in claim 2, characterized in that said first section of thickness (11) has a thickness comprised between 0.3 and 0.4 mm and said third section of thickness (21) has a thickness comprised between 0.1 and 0.2 mm.
5. The cable protection structure according to claim 2, wherein the first protective sheath (1) further comprises a first transition section (13), the second protective sheath (2) further comprises a second transition section (23), the first transition section (13) is connected between the first thickness section (11) and the second thickness section (12), the second transition section (23) is connected between the third thickness section (21) and the fourth thickness section (22), the second transition section (23) is sleeved outside the first transition section (13), the first transition section (13) is in a hollow truncated cone shape, and an inner wall of the second transition section (23) is attached to an outer wall of the first transition section (13).
6. The cable protection structure according to claim 1, wherein the first protective sheath (1) is a hard rubber sheath and the second protective sheath (2) is a soft rubber sheath.
7. The cable protection structure according to claim 1, wherein the first protection cover (1) is provided with a plurality of holes, and sponge or foam is arranged in the holes.
8. Cable protection structure according to claim 1, characterized in that said first protective sheath (1) and said second protective sheath (2) are configured to be formed by means of two-shot molding, with one shot forming said first protective sheath (1) and two shots forming said second protective sheath (2).
9. Cable protection structure as claimed in claim 1, characterized in that said first thickness section (11) has a length of 10 cm.
10. A data cable, comprising a core wire (10), an insulating layer (20) covering the core wire (10), an outer conductor (30) covering the insulating layer (20), and the cable protection structure of any one of claims 1 to 9, wherein the first protective sheath (1) of the cable protection structure is sleeved outside the outer conductor (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121639439.0U CN215730973U (en) | 2021-07-19 | 2021-07-19 | Cable protection architecture and data cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121639439.0U CN215730973U (en) | 2021-07-19 | 2021-07-19 | Cable protection architecture and data cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215730973U true CN215730973U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121639439.0U Active CN215730973U (en) | 2021-07-19 | 2021-07-19 | Cable protection architecture and data cable |
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| CN (1) | CN215730973U (en) |
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2021
- 2021-07-19 CN CN202121639439.0U patent/CN215730973U/en active Active
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