Tear-resistant silicone rubber insulated cable

Abstract

The utility model belongs to the technical field of cables, and particularly relates to a tear-resistant silicone rubber insulated cable, which comprises a cable core, an inner wrapping layer is arranged on the outer side of the cable core, an outer wrapping layer is arranged on the outer side of the inner wrapping layer, and a limiting strip for enhancing external force resistance is arranged above the cable core. Reinforcing ribs used for resisting external force to form tear resistance are arranged on the outer side of the cable core, the two ends of the upper portion of each reinforcing rib are located on the two sides of the corresponding limiting strip, a limiting cylinder is additionally arranged on a production line of the cable core, and the limiting cylinders are used for structuring the interior of the cable. And the limiting strips are also used for neatly arranging the reinforcing ribs in the limiting cylinder to the outer side of the cable core. According to the utility model, the interior of the cable can be structured, the resistance to external force is effectively improved, and the situation of tearing caused by overlarge external acting force is prevented, so that the stable use performance of the cable in a severe environment is ensured, and the service life of the cable is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of cables, in particular to a tear-resistant silicone rubber insulated cable. Background Art

[0002] Silicone rubber insulated cable is a cable with the characteristics of heat radiation resistance, cold resistance, acid and alkali resistance and corrosive gas resistance, waterproof, etc. It has the characteristics of soft structure and convenient laying. It has stable electrical performance in high temperature (cold) environment, outstanding anti-aging performance and long service life. Therefore, it is widely used in metallurgy, electric power, petrochemical, electronics, automobile manufacturing and other industries;

[0003] At present, the existing silicone rubber insulated cables are subjected to a large amount of external extrusion force during use due to the variety of installation environments, which causes the insulation layer to tear, which is not conducive to subsequent use and also reduces the service life of the cable.

[0004] In order to solve the above problems, the present application proposes a tear-resistant silicone rubber insulated cable. Utility Model Content

[0005] The utility model aims to provide a tear-resistant silicone rubber insulated cable, which solves the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model discloses a tear-resistant silicone rubber insulated cable, comprising a cable core, an inner sheath is arranged on the outer side of the cable core, an outer sheath is arranged on the outer side of the inner sheath, a limit strip for enhancing the resistance to external force is arranged above the cable core, reinforcing ribs for resisting external force to form tear resistance are arranged and installed on the outer side of the cable core, the upper two ends of the reinforcing ribs are located on both sides of the limit strip, a limit barrel is added to the production line of the cable core, the limit barrel is used to structure the inside of the cable, the limit strip is also used to neatly arrange the reinforcing ribs inside the limit barrel to the outer side of the cable core, side seats for clamping the reinforcing ribs to position them are arranged on both sides of the limit barrel, and a protruding top seat is arranged above the limit barrel.

[0008] Furthermore, a protruding plug plate is provided at the lower end of the limiting strip, and a protruding elastic protrusion is provided on the outer side of the plug plate.

[0009] Furthermore, a limiting groove for elastically protruding snap-fit ​​connection is provided on the inner side of the upper opening of the reinforcing rib.

[0010] Furthermore, a positioning clamping plate for squeezing the elastic protrusion to shrink it is provided at one end of the top seat, and the positioning clamping plate is also used to position the laying path of the reinforcing ribs.

[0011] Furthermore, a transmission screw driven by a micro rotary motor is arranged inside the top seat.

[0012] Furthermore, a screw-in block is slidably installed inside one end of the top seat, and the screw-in block is spirally connected with the transmission screw.

[0013] Furthermore, an annular top plate for pushing the reinforcing ribs is provided at the lower end of the screw-on block.

[0014] The utility model has the following beneficial effects:

[0015] The utility model divides the insulating layer into a combined structure of an inner sheath and an outer sheath, and utilizes the internal reinforcing ribs to replace the inner sheath to resist the external extrusion force, and utilizes its circular structure to automatically guide outward when subjected to the extrusion force to form a buffer protection. Compared with the existing cables, the utility model can greatly improve the resistance to external forces, effectively prevent the situation of tearing caused by external force extrusion, and ensure the service life of the cable and the long-term stable performance of the cable.

[0016] The utility model can install a limiting cylinder on the outer side of the transmission line of the cable core, so that the elastic protrusion can be squeezed through the positioning clamp when the reinforcing rib is laid, and then the elastic protrusion is automatically engaged with the inside of the limiting groove to form a connection when the elastic protrusion moves to a predetermined position, and then the elastic protrusion is driven to be arranged on the outer side of the cable core to perform the extrusion operation together, and finally the cable structure is formed, so as to improve the quality of the cable and the adaptability to the external environment.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the exploded structure of the outer cladding and the inner cladding of the utility model;

[0021] Figure 3 This is a schematic diagram of the internal cross-sectional structure of the cable of the utility model;

[0022] Figure 4 It is a partial enlarged structural schematic diagram of part A of the utility model;

[0023] Figure 5 It is a schematic diagram of the structure of the connection part between the limit strip and the limit cylinder of the utility model;

[0024] Figure 6 This is a schematic diagram of the internal structure of the limiting cylinder of the utility model;

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] In the figure: 1, cable core; 2, inner sheath; 3, outer sheath; 4, limit strip; 5, reinforcing rib; 6, limit cylinder; 7, side seat; 8, top seat; 9, plug plate; 10, elastic protrusion; 11, limit slot; 12, positioning clamp; 13, transmission screw; 14, screw block; 15, annular top plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In the description of the present invention, it should be understood that terms such as "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0029] See also Figure 1-6 As shown, the utility model is a tear-resistant silicone rubber insulated cable, comprising a cable core 1, an inner sheath 2 is arranged on the outer side of the cable core 1, an outer sheath 3 is arranged on the outer side of the inner sheath 2, a limit strip 4 for enhancing the resistance to external force is arranged above the cable core 1, and reinforcing ribs 5 for resisting external force to form tear resistance are arranged and installed on the outer side of the cable core 1, and the upper two ends of the reinforcing ribs 5 are located on both sides of the limit strip 4, and the production line of the cable core 1 is additionally provided with a limit barrel 6, and the limit barrel 6 is used to structure the internal part of the cable, and the limit strip 4 is also used to neatly arrange the reinforcing ribs 5 inside the limit barrel 6 to the outer side of the cable core 1, and side seats 7 for clamping the reinforcing ribs 5 to position them are arranged on both sides of the limit barrel 6, and a protruding top seat 8 is arranged above the limit barrel 6. In this embodiment, the reinforcing ribs 5 are also used to divert external forces to form a buffer to prevent external forces from being directly transmitted inward, thereby ensuring the performance of the cable and enhancing the tear resistance.

[0030] Among them, a protruding plug plate 9 is provided at the lower end of the limit strip 4, and a protruding elastic protrusion 10 is provided on the outer side of the plug plate 9. In this embodiment, the limit strip 4 is pre-wound and stored in an external winding device. While the cable core 1 is transmitted, it is laid out above the cable core 1 and maintained for parallel transmission.

[0031] Among them, a limiting groove 11 for the elastic protrusion 10 to be engaged and connected is opened on the inner side of the upper end opening of the reinforcing rib 5. In this embodiment, the elastic protrusion 10 is an elastic rubber mechanism that can automatically shrink and expand under the change of external force.

[0032] Among them, one end of the top seat 8 is provided with a positioning clamp 12 for squeezing the elastic protrusion 10 to shrink it. The positioning clamp 12 is also used to position the laying path of the reinforcing rib 5. In this embodiment, the positioning clamp 12 is also used to prevent the limiting strip 4 from becoming loose and affecting the laying effect.

[0033] A transmission screw 13 driven by a micro rotary motor is arranged inside the top seat 8 .

[0034] Among them, a screw-in block 14 is slidably installed inside one end of the top seat 8, and the screw-in block 14 forms a spiral connection with the transmission screw 13. In this embodiment, the sliding connection between the screw-in block 14 and the top seat 8 is also used to prevent the sheet from deflecting when the transmission screw 13 rotates.

[0035] The lower end of the screw-on block 14 is provided with an annular top plate 15 for pushing the reinforcing rib 5 .

[0036] It can be understood that the utility model can make the internal structure of the cable, effectively improve the resistance to external forces, prevent tearing caused by excessive external forces, so as to ensure the stable performance of the cable in harsh environments and extend its service life.

[0037] A specific application of this embodiment is: first, the limiting cylinder 6 is erected on the outside of the cable core 1 and the reinforcing ribs 5 are installed inside thereof, and then the transmission screw 13 is used to drive the annular top plate 15 to push the reinforcing ribs 5 to make them move neatly, and then the limiting strip 4 is laid downwardly and clamped by the positioning clamp 12, and the elastic protrusions 10 on its surface are squeezed to make it shrink, and then when the elastic protrusions 10 move to the predetermined position, they automatically expand outwards and form a snap connection with the limiting slots 11. At this time, the reinforcing ribs 5 are driven by the limiting strip 4 to move outwards and are neatly arranged on the outside of the cable core 1, and finally, they can be extruded together with the cable core 1. After this arrangement, the cable can be structured conveniently, its use effect in harsh environments can be improved, and an anti-tear function can be formed.

[0038] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A tear-resistant silicone rubber insulated cable, comprising a cable core (1), characterized in that: An inner cladding (2) is arranged on the outer side of the cable core (1), an outer cladding (3) is arranged on the outer side of the inner cladding (2), a limit strip (4) is arranged above the cable core (1) for enhancing the resistance to external forces, reinforcing ribs (5) are arranged and installed on the outer side of the cable core (1) for resisting external forces to form tear resistance, the upper ends of the reinforcing ribs (5) are located on both sides of the limit strip (4), the production line of the cable core (1) is additionally provided with a limit tube (6), the limit tube (6) is used to structure the inside of the cable, the limit strip (4) is also used to neatly arrange the reinforcing ribs (5) inside the limit tube (6) to the outer side of the cable core (1), side seats (7) are arranged on both sides of the limit tube (6) for clamping the reinforcing ribs (5) to position them, and a protruding top seat (8) is arranged above the limit tube (6).

2. The tear-resistant silicone rubber insulated cable according to claim 1, characterized in that: A protruding plug plate (9) is provided at the lower end of the limiting strip (4), and a protruding elastic protrusion (10) is provided on the outer side of the plug plate (9).

3. The tear-resistant silicone rubber insulated cable according to claim 1, characterized in that: A limiting groove (11) for engaging and connecting the elastic protrusion (10) is provided inside the upper opening of the reinforcing rib (5).

4. The tear-resistant silicone rubber insulated cable according to claim 1, characterized in that: One end of the top seat (8) is provided with a positioning clamp (12) for squeezing the elastic protrusion (10) to shrink it, and the positioning clamp (12) is also used to position the laying path of the reinforcing rib (5).

5. The tear-resistant silicone rubber insulated cable according to claim 1, characterized in that: A transmission screw (13) driven by a micro-rotating motor is arranged inside the top seat (8).

6. The tear-resistant silicone rubber insulated cable according to claim 1, characterized in that: A screw-in block (14) is slidably mounted inside one end of the top seat (8), and the screw-in block (14) is spirally connected with the transmission screw (13).

7. The tear-resistant silicone rubber insulated cable according to claim 6, characterized in that: The lower end of the screw-on block (14) is provided with an annular top plate (15) for pushing the reinforcing rib (5).

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