Wire harness with flame-retardant structure

Abstract

The utility model provides a wire harness with a flame-retardant structure, which relates to the field of wire harnesses, and comprises an inner core assembly, the main body of the inner core assembly is a cable, and the outer side of the inner core assembly is wrapped with an inner insulating layer. In order to solve the problem that a corresponding flame-retardant structure needs to be arranged due to the fact that the cable is fractured when being worn and is easily subjected to detonation and other potential safety hazards when being connected with an external conductor at a high temperature, multiple insulation and shielding structures, namely an inner insulation layer, an outer insulation layer and a shielding layer, are arranged, so that the insulation performance and the anti-electromagnetic interference capability of the wire harness are greatly improved, and the service life of the wire harness is prolonged. The electric leakage risk caused by poor insulation is effectively reduced, the potential safety hazard of detonation caused by connection between high temperature and an external conductor is avoided, the safety performance of a traditional wire harness is innovatively improved, and the design of the spiral tensile assembly enhances the tensile capacity of the wire harness.

Description

Technical Field

[0001] This utility model belongs to the field of wire harnesses, and specifically relates to a wire harness with a flame-retardant structure. Background Technology

[0002] Currently, "cable" is a general term encompassing items such as optical cables and electrical cables. Cables have many uses, primarily for control installation, equipment connection, and power transmission, making them a common and indispensable part of daily life.

[0003] However, existing cables inevitably generate high temperatures during power transmission, especially at cable joints. These joints can crack due to wear and tear, and the high temperatures can easily cause explosions and other safety hazards when they connect with external conductors. Therefore, appropriate flame-retardant structures are required.

[0004] Therefore, in view of the shortcomings of the above-mentioned solutions in actual production and implementation, modifications and improvements have been made. At the same time, in the spirit and concept of seeking excellence, and with the assistance of professional knowledge and experience, and after much ingenuity and experimentation, this utility model was created. It provides a wire harness with a flame-retardant structure to solve the problem that existing cables inevitably generate high temperatures during power transmission, especially at the cable joints, where wear and tear can cause cracks. When these high temperatures connect with external conductors, they can easily cause explosions and other safety hazards. Therefore, a corresponding flame-retardant structure is needed. Utility Model Content

[0005] This utility model proposes a wire harness with a flame-retardant structure, which solves the problem that in the prior art, cables inevitably generate high temperatures during power transmission, especially at the cable joints, where wear and tear can cause cracks. When these high temperatures connect with external conductors, they can easily cause explosions and other safety hazards. Therefore, a corresponding flame-retardant structure is needed.

[0006] The technical solution of this utility model is implemented as follows: a wire harness with a flame-retardant structure includes: an inner core assembly, the main body of the inner core assembly is a cable, the outer side of the inner core assembly is wrapped with an inner insulation layer, the inner core assembly and the inner insulation layer are arranged in a ring array and attached together, and an outer sheath assembly is installed on the outermost side of the inner insulation layer.

[0007] A sleeve assembly is fitted onto the outer side of the outer skin assembly. The main body of the sleeve assembly is a truncated cone structure. A notch is formed on the outer circumferential surface of the sleeve assembly. A connector is fixedly connected to the side of the sleeve assembly away from the inner core assembly. An external thread is formed on the outer circumferential surface of the connector. A positioning hole with a threaded structure is formed inside the notch on the outer circumferential surface of the sleeve assembly. A positioning bolt is screwed into the positioning hole. The positioning bolt and the connector together form a limiting structure.

[0008] In a preferred embodiment, the outer side of the inner insulating layer is wrapped with an outer insulating layer, and the outer side of the outer insulating layer is also wrapped with a shielding layer.

[0009] In a preferred embodiment, a tensile component is sleeved on the outside of the shielding layer, and the main body of the tensile component has a spiral structure.

[0010] In a preferred embodiment, a support mechanism is screwed onto the outer side of the connector, and the main body of the support mechanism is a ring structure.

[0011] In a preferred embodiment, the inner wall of the support mechanism is provided with internal threads, and a support plate is fixedly connected to the outer side of the support mechanism.

[0012] In one preferred embodiment, the support plate has six locations, and the six support plates are fixedly connected to the outer circumferential surface of the support plate in a circular array with equal spacing.

[0013] In a preferred embodiment, a bracket assembly is fixedly connected to the outer side of the support plate. The bracket assembly has a ring structure, and the interior of the bracket assembly has four through holes arranged in a ring array. An assembly bolt is inserted into the interior of the assembly hole, and a nut assembly is screwed onto the outside of the assembly bolt.

[0014] After using the above technical solution, the beneficial effects of this utility model are:

[0015] 1. By setting up multiple insulation and shielding structures, namely inner insulation layer, outer insulation layer and shielding layer, the insulation performance and electromagnetic interference resistance of the wire harness are greatly improved, effectively reducing the risk of leakage due to poor insulation and avoiding the safety hazard of explosion caused by high temperature connection with external conductors. This is an innovative improvement on the safety performance of traditional wire harnesses. The design of the spiral tensile component enhances the tensile strength of the wire harness, making the internal structure less prone to damage when the wire harness is subjected to external force, ensuring the stability of power transmission, extending the service life of the wire harness, and solving the problem that existing wire harnesses are easily damaged by external forces.

[0016] 2. In this utility model, by providing components such as sleeve assembly, connector, positioning bolt, support mechanism, and bracket assembly, it not only facilitates the connection of the wire harness with other equipment, but also ensures the stability of the connection. The limiting structure formed by the positioning bolt and connector effectively prevents the connection from loosening. The design of the support mechanism and bracket assembly provides additional support and installation convenience for the wire harness, improving the reliability and practicality of the wire harness in actual use. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a front view diagram of the wire harness of this utility model after being cut apart.

[0019] Figure 2 This is a schematic diagram of the combined structure of the wire harness connector and sleeve assembly of this utility model;

[0020] Figure 3 This is a left-side view of the cable structure of the wire harness of this utility model;

[0021] Figure 4 This is a top view of the wire harness structure of this utility model;

[0022] Figure 5 This is a schematic diagram of the combined structure of the wire harness support mechanism and support plate of this utility model.

[0023] Figure 6 This is a schematic diagram of the overall left-side structure of the wire harness of this utility model;

[0024] In the diagram, 1 is the inner core assembly; 101 is the inner insulation layer; 1011 is the outer insulation layer; 1012 is the shielding layer; 1013 is the tensile component; 1014 is the outer skin assembly; 2 is the sleeve assembly; 201 is the connector; 2011 is the positioning hole; 2012 is the positioning bolt; 3 is the support mechanism; 301 is the support plate; 3011 is the bracket assembly; 3012 is the assembly hole; 3013 is the assembly bolt; and 3014 is the nut assembly. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] like Figures 1-6 As shown, a wire harness with a flame-retardant structure includes: an inner core assembly 1, the main body of the inner core assembly 1 being a cable, an inner insulation layer 101 wrapped around the outside of the inner core assembly 1, the inner core assembly 1 and the inner insulation layer 101 being arranged in a ring array, and an outer sheath assembly 1014 being installed on the outermost side of the inner insulation layer 101.

[0027] The outer casing 1014 is fitted with a sleeve assembly 2. The main body of the sleeve assembly 2 is a truncated cone structure. A notch is provided on the outer circumferential surface of the sleeve assembly 2. A connector 201 is fixedly connected to the side of the sleeve assembly 2 away from the inner core assembly 1. An external thread is provided on the outer circumferential surface of the connector 201. A positioning hole 2011 with a screw hole structure is provided inside the notch on the outer circumferential surface of the sleeve assembly 2. A positioning bolt 2012 is screwed into the positioning hole 2011. The positioning bolt 2012 and the connector 201 together form a limiting structure.

[0028] The inner insulation layer 101 is wrapped with an outer insulation layer 1011, and the outer insulation layer 1011 is also wrapped with a shielding layer 1012. The shielding layer 1012 is sleeved with a tensile component 1013, and the main body of the tensile component 1013 is a spiral structure.

[0029] Among them, a support mechanism 3 is screwed to the outside of the connector 201. The main body of the support mechanism 3 is a ring structure. The inner wall of the support mechanism 3 is provided with internal threads. A support plate 301 is fixedly connected to the outside of the support mechanism 3. There are six support plates 301 in total. The six support plates 301 are fixedly connected to the outer circumference of the support plate 301 in a ring array at equal intervals. A bracket assembly 3011 is also fixedly connected to the outside of the support plate 301. The bracket assembly 3011 is a ring structure. The inside of the bracket assembly 3011 is provided with four through holes 3012 in a ring array. An assembly bolt 3013 is inserted into the inside of the assembly hole 3012. A nut assembly 3014 is screwed to the outside of the assembly bolt 3013.

[0030] When in use, the inner core component 1 is the core part for transmitting electrical energy. Its main body is a cable, which is responsible for carrying current transmission. The inner core component 1 is tightly wrapped with an inner insulation layer 101. The inner insulation layer 101 and the inner core component 1 are arranged in a ring array to effectively prevent current leakage of the inner core component 1, avoid contact with external conductors and avoid safety problems, and ensure stable transmission of electrical energy inside.

[0031] The outer insulation layer 101 and the shielding layer 1012 are wrapped around the outer side of the inner insulation layer 101 in sequence. The outer insulation layer 1011 further enhances the insulation performance, provides additional insulation protection for the wire harness, and reduces the risk of leakage due to damage to the inner insulation layer 101. The shielding layer 1012 can effectively block external electromagnetic interference, prevent it from affecting the power transmitted by the inner core component 1, and also prevent the electromagnetic signals generated by the inner core component 1 from leaking out and interfering with other equipment.

[0032] The outer side of the shielding layer 1012 is fitted with a spiral tensile component 1013. In actual use, the wire harness may be subjected to external forces such as stretching and bending. The spiral tensile component 1013 can effectively enhance the tensile strength of the wire harness, prevent damage to the internal structure of the wire harness due to external forces, and ensure the stability of power transmission.

[0033] The outermost outermost sheath assembly 1014 of the inner insulation layer 101 provides a basic external protection for the wire harness, preventing external mechanical damage and environmental corrosion. The sleeve assembly 2, which is sleeved on the outside of the outer sheath assembly 1014, has a conical truncated structure. It can not only further protect the internal components, but also play an important role in connection and fixation. The notch on the outer circumference of the sleeve assembly 2 has a positioning hole 2011 with a screw hole structure. The positioning bolt 2012 screwed into the positioning hole 2011 and the connector 201 together form a limiting structure. The outer circumference of the connector 201 has external threads, which facilitates connection with other equipment. The positioning bolt 2012 can prevent the connector 201 from rotating or loosening during the connection process, ensuring the stability and reliability of the connection.

[0034] A ring-shaped support mechanism 3 is screwed onto the outer side of the connector 201. The internal thread of the support mechanism 3 engages with the external thread of the connector 201 to achieve a tight connection between the two. Six equally spaced support plates 301 are fixedly connected to the outer side of the support mechanism 3 in a ring array. The support plates 301 can increase the stability and support area of ​​the support mechanism 3. A ring bracket assembly 3011 is fixedly connected to the outer side of the support plate 301. The assembly holes 3012 with four through holes are opened in a ring array inside. The assembly bolts 3013 are inserted into the assembly holes 3012. The nut assembly 3014 screwed onto the outer side can securely connect the wire harness to other equipment or mounting brackets, which facilitates the installation and fixation of the wire harness.

[0035] In the description of this utility model, it should be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, unless otherwise specified and limited, it should be noted that the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to mechanical or electrical connections, or internal connections between two components, and can be direct connections or indirect connections through an intermediate medium. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0036] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A wire harness having a flame-retardant structure, comprising an inner core assembly (1), a main body of the inner core assembly (1) being a cable, an outer side of the inner core assembly (1) being wrapped with an inner insulating layer (101), characterized in that, The inner core assembly (1) and the inner insulation layer (101) are arranged in a ring array, and the outermost side of the inner insulation layer (101) is provided with an outer skin assembly (1014); The outer side of the outer skin assembly (1014) is sleeved with a sleeve assembly (2), the main body of the sleeve assembly (2) is a conical table structure, a slot is formed in the outer peripheral surface of the sleeve assembly (2), a connecting piece (201) is fixedly connected to the side of the sleeve assembly (2) away from the inner core assembly (1), an outer thread is formed in the outer peripheral surface of the connecting piece (201), a positioning hole (2011) with a screw hole structure is formed in the inside of the slot of the sleeve assembly (2), a positioning bolt (2012) is screwed into the inside of the positioning hole (2011), and the positioning bolt (2012) and the connecting piece (201) jointly form a limiting structure.

2. The wire harness with a flame retardant structure according to claim 1, characterized by, The outer side of the inner insulation layer (101) is wrapped with an outer insulation layer (1011), and the outer side of the outer insulation layer (1011) is further wrapped with a shielding layer (1012).

3. The wire harness with a fire resistant structure according to claim 2, wherein The outer side of the shielding layer (1012) is sleeved with a tensile assembly (1013), and the main body of the tensile assembly (1013) is a spiral structure.

4. The wire harness with a fire resistant structure according to claim 1, wherein The outer side of the connecting piece (201) is screwed with a supporting mechanism (3), and the main body of the supporting mechanism (3) is a ring structure.

5. The wire harness having a flame retardant structure according to claim 4, wherein An inner thread is formed in the inner wall of the supporting mechanism (3), and a supporting plate (301) is fixedly connected to the outer side of the supporting mechanism (3).

6. The wire harness having a flame retardant structure according to claim 5, wherein The supporting plate (301) is provided with six supporting plates (301) which are fixedly connected to the outer peripheral surface of the supporting plate (301) in a ring array at equal intervals.

7. The wire harness having a flame retardant structure according to claim 6, wherein The outer side of the supporting plate (301) is further fixedly connected with a bracket assembly (3011), the bracket assembly (3011) is a ring structure, four assembly holes (3012) with a through hole structure are formed in the inside of the bracket assembly (3011) in a ring array, an assembly bolt (3013) is inserted into the inside of the assembly hole (3012), and a nut assembly (3014) is screwed to the outer side of the assembly bolt (3013).

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