Highly flame-retardant drag chain cable

Abstract

The utility model discloses a high flame retardation type drag chain cable, and relates to the drag chain cable technology field, the high flame retardation type drag chain cable comprises an outer side waterproof layer and a high flame retardation cable housing, the outer side waterproof layer is installed and connected on the inner side of the high flame retardation cable housing, the inner side of the outer side waterproof layer is provided with a filling material housing, and the filling material housing is provided with a flame retardation layer. A middle tough core is arranged in the middle of the interior of the filler shell, a shielding core body layer is arranged at the position, located on the filler shell, of the outer side of the middle tough core, and a cable core body is arranged on the inner side of the shielding core body layer. The middle tough core structure is arranged, so that the tough protection effect is achieved, the middle tough metal wire of the middle tough core can be stably installed on the inner side of the tough rubber shell due to the anti-skid sleeve layer on the peripheral side, and the tough rubber shell and the middle tough metal wire have deformation toughness, so that the flexible rubber shell can be bent, and the service life of the flexible rubber shell is prolonged. Therefore, a toughness protection effect is achieved during bending, and bending, breaking and damage are effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of drag chain cables, in particular to a highly flame-retardant drag chain cable. Background Art

[0002] Drag chain cable is a highly flexible special cable that can move back and forth with the drag chain without being easily worn out. It is called drag chain cable. It is also commonly called towing cable or tank chain cable.

[0003] The existing Chinese patent CN215834272U disclosed a high-temperature resistant and flame-retardant drag chain cable on February 15, 2022, including an insulation layer, the inner cavity of the insulation layer is provided with multiple groups of wire core components, a first filling layer is filled between the insulation layer and the multiple groups of wire core components, the outer periphery of the insulation layer is provided with an inner shielding layer, the outer periphery of the inner shielding layer is provided with an outer shielding layer, the outer periphery of the outer shielding layer is provided with a fireproof component, and the outer periphery of the fireproof component is provided with an outer protective layer.

[0004] However, the above device does not have a good internal reinforcement toughness structure when bent for a long time, so the drag chain cable is easily broken and damaged during use, resulting in a problem that the service life of the entire device is not very long during bending use. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a highly flame-retardant drag chain cable. When the whole cable is bent, the middle tough core inside the filler shell plays a toughness protection role, thereby effectively avoiding damage caused by bending and breaking.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A highly flame-retardant drag chain cable, comprising an outer waterproof layer and a highly flame-retardant cable outer shell, wherein the outer waterproof layer is mounted and connected to the inner side of the highly flame-retardant cable outer shell, a filler shell is provided around the inner side of the outer waterproof layer, an intermediate tough core is provided in the middle of the filler shell, a shielding core layer is provided on the outer side of the intermediate tough core and located on the filler shell, and a cable core is provided on the inner side of the shielding core layer;

[0008] The middle tough core includes a tough rubber shell, a middle tough metal wire and an anti-slip sleeve layer. The middle tough metal wire is provided with an anti-slip sleeve layer on its circumference. The anti-slip sleeve layer is provided with a tough rubber shell on its circumference. The tough rubber shell is connected to the filling shell.

[0009] Through the above technical solution: the outer waterproof layer plays a waterproof role, the outer waterproof layer has high flame retardancy due to the high flame retardant cable outer shell, and plays a good flame retardant protection role, the outer waterproof layer plays a filling protection role due to the inner filler shell, the filler shell is due to the inner shielding core layer of the cable core, which effectively shields external interference, and the cable core can be connected to the outside for use. When the whole is bent, the middle tough core inside the filler shell plays a tough protection role, thereby effectively avoiding damage caused by bending and breaking.

[0010] The utility model is further configured such that the tough rubber shell and the anti-slip sleeve layer are meshed and connected, and the outer sides are aligned.

[0011] Through the above technical solution: since the tough rubber shell and the anti-slip sleeve layer are engaged and connected, and the outer sides are aligned, they are not easy to fall off during use, and the outer sides are aligned, so no obstruction occurs during use.

[0012] The utility model is further configured such that the filling material shell includes a middle mounting hole, an outer mounting hole and a material shell shell, a middle mounting hole is provided in the middle of the interior of the material shell shell, an outer mounting hole is provided on the outer side of the middle mounting hole and the material shell shell is connected to the outer waterproof layer.

[0013] Through the above technical solution: due to the filling shell structure, it can be installed and used.

[0014] The utility model is further configured as follows: the highly flame-retardant cable outer shell includes an outer three-element environmentally friendly flame-retardant layer, an intermediate connecting layer and an inner three-element environmentally friendly flame-retardant layer; the inner three-element environmentally friendly flame-retardant layer is provided with an intermediate connecting layer on the peripheral side thereof; the outer three-element environmentally friendly flame-retardant layer is provided on the peripheral side thereof; and the inner three-element environmentally friendly flame-retardant layer is connected to the outer waterproof layer.

[0015] Through the above technical solution: due to the highly flame retardant cable shell structure, it plays a flame retardant role.

[0016] The utility model is further configured such that the filling material shell and the outer waterproof layer are connected by hot melting, and the outer sides are aligned.

[0017] Through the above technical solution: since the filling shell and the outer waterproof layer are connected by hot melting and the outer sides are aligned, they can be effectively connected and fixed, and the outer sides are aligned, so that no obstruction occurs during use.

[0018] The present invention is further configured such that the middle tough core is located in the middle of the filling shell, and both ends of the middle tough core are symmetrical.

[0019] Through the above technical solution: because the middle tough core is located in the middle of the filling shell, and the two ends of the middle tough core are symmetrical, it can be stably placed.

[0020] The utility model is further configured such that the cable core is sleeved in the middle of the filling material shell, and the connection is adhesively connected.

[0021] Through the above technical solution: since the cable core is sleeved in the middle of the inner portion of the filling shell and the connection is bonded, it can be installed accordingly, and the bonding method effectively fixes it.

[0022] The beneficial effects of the utility model are:

[0023] 1. By providing an intermediate tough core structure, a tough protection effect is achieved. The intermediate tough metal wire of the intermediate tough core can be stably installed on the inner side of the tough rubber shell due to the anti-slip layer on the peripheral side. The tough rubber shell and the intermediate tough metal wire have deformation toughness, so they can bend, thereby playing a tough protection role during bending and effectively avoiding bending and breakage damage.

[0024] 2. By providing a high flame retardant cable outer shell structure, the flame retardant inside and outside makes the overall flame retardancy improved. The outer three-element environmentally friendly flame retardant layer and the inner three-element environmentally friendly flame retardant layer of the high flame retardant cable outer shell are hot-melt connected through the middle connecting layer, so that they can be installed and fixed accordingly. The outer three-element environmentally friendly flame retardant layer and the inner three-element environmentally friendly flame retardant layer are flame retardant materials, which are not easy to burn and damage. The inner three-element environmentally friendly flame retardant layer is hot-melt connected to the outer waterproof layer, so that the inner three-element environmentally friendly flame retardant layer effectively wraps and protects the outer waterproof layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the front cross-sectional structure of a highly flame-retardant drag chain cable proposed in the present invention;

[0026] Figure 2 This is a schematic diagram of the structure of the middle tough core of a highly flame-retardant drag chain cable proposed in the present invention;

[0027] Figure 3 This is a schematic diagram of the filler shell structure of a highly flame-retardant drag chain cable proposed in the present invention;

[0028] Figure 4 This is a schematic diagram of the highly flame-retardant cable casing structure of a highly flame-retardant drag chain cable proposed in the utility model.

[0029] In the figure: 1. Middle tough core; 11. Tough rubber shell; 12. Middle tough metal wire; 13. Anti-slip sleeve; 2. Outer waterproof layer; 3. Filling shell; 31. Middle mounting hole; 32. Outer mounting hole; 33. Shell; 4. Cable core; 5. Shielding core layer; 6. High flame retardant cable outer shell; 61. Outer three-element environmentally friendly flame retardant layer; 62. Middle connecting layer; 63. Inner three-element environmentally friendly flame retardant layer. DETAILED DESCRIPTION

[0030] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0031] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0032] In the description of this patent, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings. They are only for the convenience of describing this patent and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on this patent.

[0033] In the description of this patent, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," and "set" should be understood in a broad sense. For example, they can refer to fixed connection or set, detachable connection or set, or integral connection or set. Those skilled in the art will understand the specific meanings of the above terms in this patent based on the specific circumstances.

[0034] Reference Figures 1-4 A highly flame-retardant drag chain cable comprises an outer waterproof layer 2 and a highly flame-retardant cable outer shell 6. The outer waterproof layer 2 is mounted and connected to the inner side of the highly flame-retardant cable outer shell 6. A filler shell 3 is provided around the inner side of the outer waterproof layer 2. An intermediate tough core 1 is provided in the middle of the filler shell 3. A shielding core layer 5 is provided on the outer side of the intermediate tough core 1 and located on the filler shell 3. A cable core 4 is provided on the inner side of the shielding core layer 5.

[0035] The intermediate tough core 1 includes a tough rubber shell 11, an intermediate tough metal wire 12 and an anti-slip layer 13. The anti-slip layer 13 is provided on the peripheral side of the intermediate tough metal wire 12, and the tough rubber shell 11 is provided on the peripheral side of the anti-slip layer 13. The tough rubber shell 11 is connected to the filler shell 3. The intermediate tough metal wire 12 of the intermediate tough core 1 can be stably installed on the inner side of the tough rubber shell 11 due to the anti-slip layer 13 on the peripheral side. The tough rubber shell 11 and the intermediate tough metal wire 12 have deformation toughness, so they can bend, thereby playing a toughness protection role during bending, effectively avoiding bending and breakage damage;

[0036] The tough rubber shell 11 and the anti-slip sleeve layer 13 are meshed and connected, and the outer sides are aligned, so that they are not easy to fall off during use, and the outer sides are aligned, so that no obstruction occurs during use.

[0037] Specifically, the filling shell 3 includes a middle mounting hole 31, an outer mounting hole 32 and a shell body 33. The middle mounting hole 31 is provided in the middle of the interior of the shell body 33, and the outer mounting hole 32 is provided on the shell body 33 outside the middle mounting hole 31. The shell body 33 is connected to the outer waterproof layer 2. The shell body 33 of the filling shell 3 allows the middle tough core 1 to be installed and placed accordingly due to the area of the middle mounting hole 31, and the shielding core layer 5 can be installed and placed accordingly due to the area of the outer mounting hole 32.

[0038] Specifically, the highly flame-retardant cable sheath 6 includes an outer three-element environmentally friendly flame-retardant layer 61, an intermediate connecting layer 62 and an inner three-element environmentally friendly flame-retardant layer 63. The inner three-element environmentally friendly flame-retardant layer 63 is provided with an intermediate connecting layer 62 on its peripheral side, and the intermediate connecting layer 62 is provided with an outer three-element environmentally friendly flame-retardant layer 61 on its peripheral side. The inner three-element environmentally friendly flame-retardant layer 63 is connected to the outer waterproof layer 2. The outer three-element environmentally friendly flame-retardant layer 61 and the inner three-element environmentally friendly flame-retardant layer 63 of the highly flame-retardant cable sheath 6 are hot-melt connected through the intermediate connecting layer 62, so that they can be installed and fixed accordingly. The outer three-element environmentally friendly flame-retardant layer 61 and the inner three-element environmentally friendly flame-retardant layer 63 are flame-retardant materials, so they are not easily burned and damaged. The inner three-element environmentally friendly flame-retardant layer 63 is hot-melt connected to the outer waterproof layer 2, so that the inner three-element environmentally friendly flame-retardant layer 63 effectively wraps and protects the outer waterproof layer 2.

[0039] Specifically, the filling shell 3 and the outer waterproof layer 2 are connected by hot melting, and the outer sides are aligned, so that they can be effectively connected and fixed, and the outer sides are aligned, so that no obstruction occurs during use.

[0040] Specifically, the middle tough core 1 is located in the middle of the filling shell 3, and both ends of the middle tough core 1 are symmetrical, so that it can be placed stably.

[0041] Specifically, the cable core 4 is sleeved in the middle of the inner portion of the filler shell 3, and the connection is bonded together, so that the cable core 4 can be installed accordingly, and the bonding method effectively fixes the cable core 4.

[0042] Working principle: When in use, the outer waterproof layer 2 plays a waterproof role. The outer waterproof layer 2 has high flame retardancy due to the high flame retardant cable outer shell 6 on the outside, and plays a good flame retardant protection role. The outer waterproof layer 2 plays a filling protection role due to the inner filler shell 3. The filler shell 3 shields the cable core 4 of the inner shielding core layer 5, which effectively shields external interference. The cable core 4 can be connected to the outside for use. When the whole is bent, the middle tough core 1 on the inside of the filler shell 3 plays a tough protection role, thereby effectively avoiding damage caused by bending and breaking.

[0043] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A highly flame-retardant drag chain cable, comprising an outer waterproof layer (2) and a highly flame-retardant cable outer shell (6), wherein the outer waterproof layer (2) is mounted and connected to the inner side of the highly flame-retardant cable outer shell (6), characterized in that: A filling shell (3) is provided around the inner side of the outer waterproof layer (2), an intermediate tough core (1) is provided in the middle of the filling shell (3), a shielding core layer (5) is provided on the outer side of the intermediate tough core (1) and located on the filling shell (3), and a cable core (4) is provided on the inner side of the shielding core layer (5); The intermediate tough core (1) comprises a tough rubber shell (11), an intermediate tough metal wire (12) and an anti-slip sleeve (13); the anti-slip sleeve (13) is provided on the peripheral side of the intermediate tough metal wire (12); the tough rubber shell (11) is provided on the peripheral side of the anti-slip sleeve (13); and the tough rubber shell (11) is connected to the filling material shell (3).

2. A highly flame-retardant drag chain cable according to claim 1, characterized in that: The tough rubber shell (11) and the anti-slip sleeve layer (13) are meshed and connected, and the outer sides are aligned.

3. A highly flame-retardant drag chain cable according to claim 1, characterized in that: The filling material shell (3) comprises a middle mounting hole (31), an outer mounting hole (32) and a material shell shell (33); the middle mounting hole (31) is provided in the middle of the interior of the material shell shell (33); an outer mounting hole (32) is provided on the material shell shell (33) outside the middle mounting hole (31); and the material shell shell (33) is connected to the outer waterproof layer (2).

4. A highly flame-retardant drag chain cable according to claim 3, characterized in that: The highly flame-retardant cable outer shell (6) comprises an outer three-component environmentally friendly flame-retardant layer (61), an intermediate connecting layer (62), and an inner three-component environmentally friendly flame-retardant layer (63); the inner three-component environmentally friendly flame-retardant layer (63) is provided with the intermediate connecting layer (62) on its circumferential side; the outer three-component environmentally friendly flame-retardant layer (61) is provided on its circumferential side; and the inner three-component environmentally friendly flame-retardant layer (63) is connected to the outer waterproof layer (2).

5. A highly flame-retardant drag chain cable according to claim 4, characterized in that: The filling material shell (3) and the outer waterproof layer (2) are connected by hot melting, and the outer sides are aligned.

6. A highly flame-retardant drag chain cable according to claim 1, characterized in that: The middle tough core (1) is located in the middle of the filling shell (3), and both ends of the middle tough core (1) are symmetrical.

7. A highly flame-retardant drag chain cable according to claim 1, characterized in that: The cable core (4) is sleeved in the middle of the inner portion of the filler shell (3), and the connection is adhesively connected.

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