Novel plastic insulation special shielding control cable

Abstract

The utility model discloses a novel plastic insulation special shielding control cable, which relates to the technical field of control cables, and comprises an inner shell, the outside of the inner shell is fixedly connected with a braid layer, the outside of the braid layer is fixedly connected with an outer sheath, and four groups of coils are arranged in the inner shell. A main network cable is fixedly connected to the middle position in the inner shell, and strip-shaped assemblies capable of resisting pressure and dissipating heat are arranged at the upper end, the lower end, the left side and the right side in the inner shell respectively. The novel plastic insulation special shielding control cable is provided with a limiting strip, an arc-shaped groove, a vent groove, a main wire sleeve, a first filling layer, a vent hole, an extrusion strip and a second filling layer, the second filling layer further reinforces and seals a coil and a main network cable, and the limiting strip at one end of the arc-shaped groove enables the internal compression resistance effect of an inner shell of the control cable to be better; and the heat dissipation effect of the cable is improved through the vent grooves in the limiting strips, so that the problem that the device does not have the compression-resistant and heat-dissipation functions is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to control cable technical field, concretely is a novel plastic insulation special shielding control cable. BACKGROUND

[0002] The cable industry is the second largest production and manufacturing industry next to the automobile industry, and its products are widely used in various industries. As a result, many industries have special and special requirements for the selection of cables according to their own conditions. In order to better meet customer needs and use environment, many cable factories will develop new products for special industries. One of the more special industries is the use environment of steel plants and chemical plants, which generally has high requirements for cable characteristics, mainly in corrosion resistance, high temperature resistance, anti-splashing, and intrinsic safety explosion-proof.

[0003] The common new type plastic insulation special shielding control cable on the market is mainly suitable for control or monitoring loop and protection line with rated AC voltage of 450 / 750V and below. The conductor needs to be allowed to work at a high temperature for a long time. There are some inconveniences in actual operation, and there is room for improvement. For example, the traditional control cable has poor tensile, compression and torsional resistance, and may be damaged after a long period of use. The service life of the control cable is short, and the applicability is low. It does not have the function of anti-pressure and heat dissipation.

[0004] Now, a new type of new type plastic insulation special shielding control cable is proposed to solve the above problems. Utility model content

[0005] The utility model aims at providing a new type of plastic insulation special shielding control cable to solve the problem of not having the function of anti-pressure and heat dissipation in the background technology.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a new type of plastic insulation special shielding control cable, comprising an inner shell, the outer part of the inner shell is fixedly connected with a braided layer, the outer part of the braided layer is fixedly connected with an outer sheath, the inner part of the inner shell is provided with four groups of coils, the middle position of the inner part of the inner shell is fixedly connected with a main network cable, the upper and lower ends and the left and right sides of the inner part of the inner shell are respectively provided with anti-pressure and heat dissipation strip-shaped assemblies.

[0007] The strip-shaped assembly comprises an arc-shaped groove, the arc-shaped groove is arranged at the upper and lower ends and the left and right sides of the inner part of the inner shell, the arc-shaped groove; a limiting strip is fixedly connected to one side close to the main network cable, the inner part of the limiting strip is fixedly connected with a ventilation groove, the outer part of the main network cable is sleeved with a first filling layer, the outer part of the first filling layer is fixedly connected with a main line sleeve, the inner part of the first filling layer is provided with a plurality of ventilation holes, the inner part of the inner shell is provided with a plurality of extrusion strips, and the outer part of the coil is provided with a second filling layer.

[0008] As a further technical scheme of the utility model, the distance is between the limiting strip and the coil, the shape size of the outside of the limiting strip and the arc-shaped groove; the shape size of the inside is matched.

[0009] As a further technical scheme of the utility model, the limiting strip is fixedly connected with the main network cable, the horizontal center line of the air passage is coincident with the limiting strip, and the air holes are arranged at equal intervals.

[0010] As a further technical scheme of the utility model, the second filling layer is closely attached to the coil, and the shape size of the inside of the main cable sleeve and the shape size of the outside of the first filling layer are matched.

[0011] As a further technical scheme of the utility model, the inside of the coil is provided with an inner cable sleeve, the inside of the inner cable sleeve is fixedly connected with a filling cotton thread, the inside of the filling cotton thread is provided with four groups of outer shielding layers, the inside of the four groups of outer shielding layers is provided with a twisted wire, the inside of the twisted wire is fixedly connected with a drainage wire, the outside of the inner cable sleeve is fixedly connected with a third filling layer, and the inside of the third filling layer is fixedly connected with a power cable.

[0012] As a further technical scheme of the utility model, the third filling layer is closely attached to the inner cable sleeve and the power cable, the shape size of the outside of the twisted wire and the shape size of the inside of the outer shielding layer are matched, the filling cotton thread is closely attached to the outer shielding layer, and the outer shielding layers are arranged at equal intervals.

[0013] As a further technical scheme of the utility model, the outside of the outer protective sleeve is fixedly connected with a reinforcing sleeve, the inside of the reinforcing sleeve is fixedly connected with a plurality of grooves, the inside of the grooves is fixedly connected with a compression-resistant strip, the inside of the outer protective sleeve is provided with an adhesive layer, and the inside of the adhesive layer is provided with a non-woven fabric.

[0014] As a further technical scheme of the utility model, the shape size of the inside of the reinforcing sleeve and the shape size of the outside of the outer protective sleeve are matched, the compression-resistant strips are arranged at equal intervals, the grooves and the compression-resistant strips are one-to-one corresponding, and the non-woven fabric is closely attached to the braided layer.

[0015] Compared with the prior art, the novel plastic insulation special shielding control cable not only realizes the functions of pressure resistance and flame retardation, but also realizes the functions of cable protection and strengthening stability.

[0016] (1) through the setting of the limiting strip, the arc-shaped groove, the ventilation groove, the main line sleeve, the first filling layer, the ventilation hole, the extrusion strip, the second filling layer, the coil and the main network cable in the inner shell are sealed by the woven layer and the outer sheath, and the coil and the main network cable are further sealed by the second filling layer, the inner shell of the control cable is better in pressure resistance through the limiting strip at one end of the arc-shaped groove, the heat dissipation effect of the cable is improved through the ventilation groove in the limiting strip, the main network cable is protected through the main line sleeve outside the main network cable, the overall heat dissipation effect of the control cable is better through the ventilation hole in the first filling layer in cooperation with the ventilation groove, the flame retardant effect is increased, and the control cable is better in bending resistance through the multiple extrusion strips in the inner shell, so that the coil and the cable in the main network cable are prevented from being damaged due to bending of the cable, the pressure resistance is improved, the heat dissipation effect is better, and the functions of pressure resistance and flame retardation are realized;

[0017] (2) through the setting of the inner wire sleeve, the cotton filling, the outer shielding layer, the stranded wire, the drainage wire, the third filling layer and the power line, the stranded wire of the insulated shielding control cable is better in protection performance through the four inner wire sleeves in the coil, the sealing and fastening effect of the outer shielding layer is better through the cotton filling in the inner wire sleeve, the drainage wire in the stranded wire is protected, and the damage probability is reduced, the inner wire sleeve and the power line are separated through the third filling layer in the coil, the insulation effect between the cables is better, the stranded wire in the inner wire sleeve and the power line is easy to be individually maintained and replaced, the protection performance of the control cable is stronger, and the function of protecting the cable is realized.

[0018] (3) through the setting of the pressure-resistant strip, the reinforcing sleeve, the groove, the adhesive layer and the non-woven fabric, the non-woven fabric is fixed in the reinforcing sleeve through the adhesive layer, the woven layer is wrapped by the non-woven fabric, the sealing and isolation of the control cable are better, the bending resistance of the control cable is improved through the reinforcing sleeve outside the outer sheath, the structure of the control cable is more stable through the pressure-resistant strip in the groove, the control cable is not easy to be damaged, the overall structure is more stable, the bending resistance of the cable in the inner shell is improved, and the function of strengthening the stability is realized. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view cross-sectional structure schematic view of the utility model;

[0020] Figure 2 It is a right view structure schematic view of the outer sheath of the utility model;

[0021] Figure 3 It is an inner wire sleeve internal cross-sectional enlarged structure schematic view of the utility model;

[0022] Figure 4 It is a right view structure schematic view of the outer sheath of the utility model; Figure 3Left view enlarged structural schematic view.

[0023] In the figure: 1, inner shell; 2, braided layer; 3, outer sheath; 4, coil; 5, main network line; 6, limiting strip; 7, arc-shaped groove; 8, air passage; 9, main line sleeve; 10, first filling layer; 11, air hole; 12, extrusion strip; 13, second filling layer; 14, inner line sleeve; 15, filling cotton thread; 16, outer shielding layer; 17, stranded wire; 18, drainage wire; 19, third filling layer; 20, power line; 21, pressure-resistant strip; 22, reinforcing sleeve; 23, groove; 24, adhesive layer; 25, non-woven fabric. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Embodiment: please refer to Figures 1-4 A novel plastic insulation special shielding control cable, comprising an inner shell 1, the outer part of the inner shell 1 is fixedly connected with a braided layer 2, the outer part of the braided layer 2 is fixedly connected with an outer sheath 3, the inner part of the inner shell 1 is provided with four groups of coils 4, the middle position of the inner part of the inner shell 1 is fixedly connected with a main network line 5, the upper and lower ends and the left and right sides of the inner part of the inner shell 1 are respectively provided with strip-shaped components capable of resisting pressure and dissipating heat;

[0026] Embodiment: please refer to Figures 1-4 The novel plastic insulation special shielding control cable further comprises strip-shaped components, the strip-shaped components comprise arc-shaped grooves 7, the arc-shaped grooves 7 are arranged at the upper and lower ends and the left and right sides of the inner part of the inner shell 1, one side of the arc-shaped groove 7 close to the main network line 5 is fixedly connected with a limiting strip 6, the inner part of the limiting strip 6 is fixedly connected with an air passage 8, the outer part of the main network line 5 is sleeved with a first filling layer 10, the outer part of the first filling layer 10 is fixedly connected with a main line sleeve 9, the inner part of the first filling layer 10 is provided with multiple groups of air holes 11, the inner part of the inner shell 1 is provided with multiple groups of extrusion strips 12, and the outer part of the coil 4 is provided with a second filling layer 13.

[0027] The limiting strip 6 and the coil 4 are at a distance, the shape and size of the outer part of the limiting strip 6 are matched with the shape and size of the inner part of the arc-shaped groove 7, the limiting strip 6 is fixedly connected with the main network line 5, the horizontal center lines of the limiting strip 6 and the air passage 8 coincide, the air holes 11 are arranged at equal intervals, the second filling layer 13 is closely attached to the coil 4, and the shape and size of the inner part of the main line sleeve 9 are matched with the shape and size of the outer part of the first filling layer 10;

[0028] Specifically, asFigure 1 As shown, the inner shell 1 is wrapped by the braided layer 2 and the outer sheath 3, so that the coil 4 and the main network cable 5 inside the inner shell 1 are sealed, and the coil 4 and the main network cable 5 are further sealed and reinforced by the second filling layer 13, and the limiting strip 6 at one end of the arc-shaped slot 7 can make the inner shell 1 of the control cable have better pressure resistance, and the air vent slot 8 inside the limiting strip 6 can improve the heat dissipation effect of the cable, and the main line sleeve 9 sleeved outside the main network cable 5 can protect the cable inside the main network cable 5, and the air vent hole 11 inside the first filling layer 10 cooperates with the air vent slot 8 to make the overall heat dissipation effect of the control cable better, increase the flame retardant effect, and the multiple extrusion strips 12 inside the inner shell 1 make the control cable itself have stronger bending resistance, prevent the cable from being bent to damage the cable inside the coil 4 and the main network cable 5, and not only improve the pressure resistance but also have better self-heat dissipation effect.

[0029] The inner line sleeve 14 is arranged in the coil 4, the filling cotton thread 15 is fixedly connected in the inner line sleeve 14, four groups of outer shielding layers 16 are arranged in the filling cotton thread 15, the twisted wire 17 is arranged in the four groups of outer shielding layers 16, the drainage wire 18 is fixedly connected in the twisted wire 17, the third filling layer 19 is fixedly connected outside the inner line sleeve 14, and the power line 20 is fixedly connected in the third filling layer 19. The third filling layer 19, the inner line sleeve 14 and the power line 20 are closely attached, the shape and size of the twisted wire 17 outside are matched with the shape and size of the outer shielding layer 16 inside, the filling cotton thread 15 and the outer shielding layer 16 are closely attached, and the outer shielding layers 16 are arranged at equal intervals.

[0030] Specifically, as shown in Figure 1 , Figure 3 and Figure 4 , four inner line sleeves 14 are arranged in the coil 4, so that the twisted wire 17 of the insulated shielding control cable has better protection performance, the filling cotton thread 15 in the inner line sleeve 14 makes the sealing and fastening effect of the outer shielding layer 16 better, and the drainage wire 18 in the twisted wire 17 is protected, so that the damage probability is reduced, the inner line sleeve 14 and the power line 20 are separated by the third filling layer 19 in the coil 4, so that the insulation effect between the cables is better, and the twisted wire 17 in the inner line sleeve 14 and the power line 20 is easy to be individually maintained and replaced, and the protection performance of the control cable is stronger.

[0031] The outer sheath 3 is fixedly connected with a reinforcing sleeve 22, a plurality of grooves 23 are fixedly connected in the reinforcing sleeve 22, and the anti-pressure strips 21 are fixedly connected in the grooves 23. The inner shell 3 is provided with an adhesive layer 24, and the non-woven fabric 25 is arranged in the adhesive layer 24. The shape and size of the reinforcing sleeve 22 inside are matched with the shape and size of the outer sheath 3 outside, the anti-pressure strips 21 are arranged at equal intervals, the positions of the grooves 23 and the anti-pressure strips 21 correspond one by one, and the non-woven fabric 25 is closely attached with the braided layer 2.

[0032] Specifically, as shown in Figure 1 and Figure 2 The non-woven fabric 25 is fixed in the inner part of the reinforcing sleeve 22 through the adhesive layer 24, and the braided layer 2 is wrapped by the non-woven fabric 25, so that the sealing isolation of the control cable is better, the bending resistance of the control cable outside is improved through the reinforcing sleeve 22 outside the outer sheath 3, and the structure of the control cable is more stable during use through the anti-pressure strip 21 inside the groove 23, so that the control cable is not easy to be damaged, not only the stability of the overall structure is improved, but also the bending resistance of the internal cable is improved.

[0033] Principle: When the utility model is used, first, the inner shell 1 is wrapped by the braided layer 2 and the outer sheath 3, so that the coil 4 and the main network cable 5 in the inner shell 1 are sealed, and the coil 4 and the main network cable 5 are further sealed and reinforced by the second filling layer 13, the inner shell 1 of the control cable can have better compression resistance through the limiting strip 6 at one end of the arc-shaped groove 7, and the cable heat dissipation effect is improved through the ventilation groove 8 in the limiting strip 6, the cable inside the main network cable 5 is protected through the main line sleeve 9 sleeved outside the main network cable 5, and the inner shell 1 of the control cable has better overall heat dissipation effect through the cooperation of the ventilation hole 11 in the first filling layer 10 and the ventilation groove 8, the flame retardation effect is increased, the control cable has stronger bending resistance through the plurality of extrusion strips 12 in the inner shell 1, the coil 4 and the main network cable 5 inside are prevented from being damaged due to bending of the cable, not only the compression resistance is improved, but also the heat dissipation effect is better, the four inner wire sleeves 14 are arranged in the coil 4, so that the twisted wire 17 of the insulated shield control cable has better protection performance, the filling cotton thread 15 in the inner wire sleeve 14 makes the sealing and fastening effect of the outer shield layer 16 better, and the drain wire 18 inside the twisted wire 17 is protected, so that the damage probability is reduced, the inner wire sleeve 14 and the power line 20 are separated in the inner part of the coil 4 through the third filling layer 19, so that the insulation effect between the cables is better, and the twisted wire 17 in the inner wire sleeve 14 and the power line 20 is easy to be individually maintained and replaced, the protection performance of the control cable is stronger, the non-woven fabric 25 is fixed in the inner part of the reinforcing sleeve 22 through the adhesive layer 24, and the braided layer 2 is wrapped by the non-woven fabric 25, so that the sealing isolation of the control cable is better, the bending resistance of the control cable outside is improved through the reinforcing sleeve 22 outside the outer sheath 3, and the structure of the control cable is more stable during use through the anti-pressure strip 21 inside the groove 23, so that the control cable is not easy to be damaged, not only the stability of the overall structure is improved, but also the bending resistance of the internal cable is improved.

[0034] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A new type of plastic insulated special shielded control cable comprising an inner sheath (1), characterized in that: The outer part of the inner shell (1) is fixedly connected with a woven layer (2), the outer part of the woven layer (2) is fixedly connected with an outer sheath (3), the inner part of the inner shell (1) is provided with four groups of coils (4), the middle part of the inner part of the inner shell (1) is fixedly connected with a main network cable (5), and the upper and lower ends and the left and right sides of the inner part of the inner shell (1) are respectively provided with strip-shaped components capable of resisting pressure and dissipating heat. The strip-shaped component comprises an arc-shaped groove (7), the arc-shaped groove (7) is arranged at the upper and lower ends and the left and right sides of the inner part of the inner shell (1), one side of the arc-shaped groove (7) near the main network cable (5) is fixedly connected with a limiting strip (6), the inner part of the limiting strip (6) is fixedly connected with a ventilation groove (8), the outer part of the main network cable (5) is sleeved with a first filling layer (10), the outer part of the first filling layer (10) is fixedly connected with a main cable sleeve (9), the inner part of the first filling layer (10) is provided with a plurality of ventilation holes (11), the inner part of the inner shell (1) is provided with a plurality of extrusion strips (12), and the outer part of the coil (4) is provided with a second filling layer (13).

2. A novel plastic insulated special shielded control cable as claimed in claim 1, wherein: The limiting strip (6) and the coil (4) are spaced apart, and the shape and size of the outer part of the limiting strip (6) are matched with the shape and size of the inner part of the arc-shaped groove (7).

3. A novel plastic insulated special shielded control cable as claimed in claim 2, wherein: The limiting strip (6) is fixedly connected with the main network cable (5), the horizontal center lines of the limiting strip (6) and the ventilation groove (8) coincide, and the ventilation holes (11) are arranged at equal intervals.

4. A novel plastic insulated special shielded control cable as claimed in claim 1, wherein: The second filling layer (13) is closely attached to the coil (4), and the shape and size of the inner part of the main cable sleeve (9) are matched with the shape and size of the outer part of the first filling layer (10).

5. A novel plastic insulated special shielded control cable as claimed in claim 1, wherein: The inner part of the coil (4) is provided with an inner cable sleeve (14), the inner part of the inner cable sleeve (14) is fixedly connected with a filling cotton thread (15), the inner part of the filling cotton thread (15) is provided with four groups of outer shielding layers (16), the inner part of the four groups of outer shielding layers (16) is provided with a twisted wire (17), the inner part of the twisted wire (17) is fixedly connected with a drainage wire (18), the outer part of the inner cable sleeve (14) is fixedly connected with a third filling layer (19), and the inner part of the third filling layer (19) is fixedly connected with a power supply wire (20).

6. A novel plastic insulated special shielded control cable according to claim 5, characterized in that: The third filling layer (19) is closely attached to the inner cable sleeve (14) and the power supply wire (20), the shape and size of the outer part of the twisted wire (17) are matched with the shape and size of the inner part of the outer shielding layer (16), the filling cotton thread (15) is closely attached to the outer shielding layer (16), and the outer shielding layers (16) are arranged at equal intervals.

7. A novel plastic insulated special shielded control cable as claimed in claim 1, wherein: The outer part of the outer sheath (3) is fixedly connected with a reinforcing sleeve (22), the inner part of the reinforcing sleeve (22) is fixedly connected with a plurality of grooves (23), the inner part of the groove (23) is fixedly connected with a pressure-resistant strip (21), the inner part of the outer sheath (3) is provided with an adhesive layer (24), and the inner part of the adhesive layer (24) is provided with a non-woven fabric (25).

8. A novel plastic insulated special shielded control cable according to claim 7, characterized in that: The shape and size of the inside of the reinforcing sleeve (22) and the outside of the outer sheath (3) are matched, the compression strips (21) are arranged at equal intervals, the positions of the grooves (23) and the compression strips (21) are one-to-one corresponding, and the non-woven fabric (25) and the woven layer (2) are tightly attached.

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