Connecting wire with flame-retardant function

Abstract

The utility model relates to the related field of connecting wires, in particular to a connecting wire with a flame-retardant function, which comprises a device body, a connector and an outer shell are arranged in the device body, a contact is arranged at the front end of the connector, a wire assembly is connected to the rear end of the connector, threaded sleeves are fixed on two sides of the connector, and bolts are in threaded connection in the threaded sleeves in a penetrating manner. A first knob is arranged at the rear end of the bolt, limiting grooves are formed in the upper end and the lower end of the connector, the connector is sleeved with the outer shell, a baffle is arranged at the rear end of the outer shell, the baffle corresponds to the rear end of the first knob, the upper end and the lower end of the outer shell are each in threaded connection with a set of threaded rods, and limiting plates are rotationally connected to the inner sides of the threaded rods. The external sleeving protection of the connector and the abutting limiting of the bolt can be realized, the sealing performance of the connecting part and the stability of the connector are effectively improved, the external flame-retardant and flexible protection of the wire assembly can be realized, and the wire assembly is prevented from being damaged by external force distortion or extrusion.

Description

Technical Field

[0001] The utility model relates to the field of connecting wires, in particular to a connecting wire with a flame retardant function. Background Art

[0002] Connecting wire is one of the components that connect the circuits of electronic or electrical equipment. It mainly plays the role of electrical connection and signal transmission between devices and components, components and cabinets, systems and subsystems. As an important spare part in the electronics industry, electronic connecting wire is one of the most widely used electronic components. It is widely used in the connection of new generation laptops, digital cameras, camcorders and other electronic devices; data transmission of electronic devices such as LCD TVs and precision medical equipment. At the same time, it also has good environmental resistance and reliability, and can be used in a wide range of applications.

[0003] The utility model patent with publication number CN 219610898 U in the prior art proposes a communication equipment connecting line with flame retardant function, which can improve the safety of the cable by providing a flame retardant layer. A limit frame is provided by receiving, and the screw rod can be limited by the limit frame to prevent the screw rod from loosening, and then the limit frame is rotated to both sides of the connector to facilitate the user to pull out the connector; however, it does not have a sleeve protection for the connector, and the connection between the connector and the external device is easily affected by dust and stains, which reduces the safety and life of the connecting line. At the same time, it does not have external flame retardant protection for the connecting line and flexible protection of the wiring harness. The connecting line is easily broken and damaged due to external force during use. Therefore, we need to upgrade and transform on the basis of the existing technology to overcome the existing problems and shortcomings. Utility Model Content

[0004] The purpose of the utility model is to provide a connecting wire with flame retardant function to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A connecting line with flame retardant function is designed, including a device body, the device body includes a connecting head and an outer shell, the front end of the connecting head is provided with a contact and the rear end is connected with a wire assembly, threaded sleeves are fixed on both sides of the connecting head and bolts are threaded through the threaded sleeves, a first knob is provided at the rear end of the bolt, limiting grooves are provided at the upper and lower ends of the connecting head, the outer shell is provided with an outer side of the connecting head and a baffle is provided at the rear end of the outer shell, the baffle corresponds to the rear end of the first knob, a group of threaded rods are threaded at the upper and lower ends of the outer shell and the inner side of the threaded rod is rotatably connected to the limiting plate, the limiting plate is correspondingly plugged into the limiting groove, a positioning sleeve is provided on the inner wall of the connecting head, positioning rods are provided at the upper ends of both sides of the limiting plate, and the positioning rods are movably plugged into the positioning sleeves.

[0007] Furthermore, the wire assembly includes a wire harness, a tightening layer is sheathed on the outside of the wire harness, an insulating layer is sheathed on the outside of the tightening layer, a flame retardant layer is sheathed on the outside of the insulating layer, and an outer protective layer is sheathed on the outside of the flame retardant layer.

[0008] Furthermore, the wiring harness is provided in a plurality of groups and flexible pads are filled between the plurality of wiring harnesses, and buffer holes are provided in the flexible pads.

[0009] Furthermore, a connection block is additionally provided between the wire assembly and the connector, and side grooves are provided on both sides of the connection block.

[0010] Furthermore, a sealing gasket is provided at the front end of the outer shell.

[0011] Furthermore, a second knob is provided at the outer end of the threaded rod, and the second knob is rotatably located outside the outer shell.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The utility model is equipped with a connector, a bolt, a first knob, a limit groove, an outer shell, a sealing gasket, a baffle, a threaded rod, a second knob, a limit plate, a positioning sleeve and a positioning rod in the device, which can realize the external sleeve protection of the connector and the abutment limit of the bolt, effectively increase the sealing of the connection between the connector and the external device and the stability of the connector, and avoid the problem of short-circuit damage caused by loose contacts or dust.

[0014] 2. The utility model is equipped with a wire assembly, a wire harness, a flexible pad, a buffer hole, a tightening layer, an insulating layer, a flame retardant layer, an outer protective layer, a connecting block and a side slot in the device, which can achieve external flame retardancy, insulation and wear resistance protection for the wire assembly, effectively avoid wear or high-temperature fusing of the connecting wire, improve its safety of use, and at the same time have good force protection capabilities for the internal wire harness to avoid damage due to twisting or squeezing by external forces.

[0015] With reference to the following description and drawings, specific embodiments of the present invention are disclosed in detail, indicating the manner in which the principles of the present invention can be adopted. It should be understood that the embodiments of the present invention are not limited in scope. Within the spirit and scope of the appended claims, the embodiments of the present invention include many changes, modifications and equivalents. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1This is a schematic diagram of the overall structure of a connecting wire with flame retardant function according to the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of a connecting wire with flame retardant function according to the utility model;

[0019] Figure 3 This is a schematic diagram of the outer shell structure of a connecting wire with flame retardant function according to the utility model;

[0020] Figure 4 The utility model is a diagram of an exploded view of a conductor assembly of a connecting wire with flame retardant function.

[0021] In the figure: 1. device body; 2. connector; 3. contact; 4. wire assembly; 41. wiring harness; 42. flexible pad; 421. buffer hole; 43. tightening layer; 44. insulating layer; 45. flame retardant layer; 46. outer protective layer; 5. connecting block; 51. side slot; 6. threaded sleeve; 7. bolt; 71. first knob; 8. limit groove; 9. outer shell; 91. sealing gasket; 10. baffle; 11. threaded rod; 111. second knob; 12. limit plate; 13. positioning sleeve; 14. positioning rod. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 1 -4, the present embodiment provides a connection line with flame retardant function, including a device body 1, the device body 1 includes a connector 2 and an outer shell 9, the front end of the connector 2 is provided with a contact 3 and the rear end is connected with a wire assembly 4, threaded sleeves 6 are fixed on both sides of the connector 2 and bolts 7 are threaded through the threaded sleeves 6, and a first knob 71 is provided at the rear end of the bolt 7, limiting grooves 8 are provided at both upper and lower ends of the connector 2, the outer shell 9 is sleeved with the outer side of the connector 2 and a baffle 10 is provided at the rear end of the outer shell 9, the baffle 10 corresponds to the rear end of the first knob 71, a group of threaded rods 11 are threaded at both upper and lower ends of the outer shell 9, and the inner side of the threaded rod 11 is rotatably connected to a limiting plate 12, the limiting plate 12 is correspondingly plugged into the limiting groove 8, a positioning sleeve 13 is provided on the inner wall of the connector 2, and positioning rods 14 are provided at the upper ends of both sides of the limiting plate 12, and the positioning rods 14 are movably plugged into the positioning sleeves 13.

[0024] Preferably, the wire assembly 4 includes a wire harness 41, a tightening layer 43 is provided on the outside of the wire harness 41, and the tightening layer 43 facilitates tightening and wrapping of several wire harnesses 41, an insulating layer 44 is provided on the outside of the tightening layer 43, and the insulating layer 44 facilitates external insulation protection of the wire harness 41, a flame retardant layer 45 is provided on the outside of the insulating layer 44, and an outer protective layer 46 is provided on the outside of the flame retardant layer 45, and the flame retardant layer 45 and the outer protective layer 46 facilitate external wear-resistant protection and flame retardant and heat-insulating protection of the wire harness 41, the wire harness 41 is provided with several groups and flexible pads 42 are filled between several wire harnesses 41, and buffer holes 421 are opened in the flexible pads 42, and flexible buffering and anti-friction protection are facilitated between the wire harnesses 41 by the flexible pads 42 and the buffer holes 421, and a connecting block 5 is added between the wire assembly 4 and the connector 2, and side slots 51 are opened on both sides of the connecting block 5, and the connecting block 5 and the side slots 51 facilitate movement and bending protection of the wire assembly 4.

[0025] Preferably, a sealing gasket 91 is provided at the front end of the outer shell 9, which facilitates increasing the sealing performance at the joint between the outer shell 9 and the external device. A second knob 111 is provided at the outer end of the threaded rod 11, and the second knob 111 is rotated and located outside the outer shell 9. The second knob 111 can be used to control the rotation of the threaded rod 11.

[0026] The use principle and use process of the utility model are as follows: when using, first the connector 2 is plugged and connected with the external device through the contact 3, and then the bolt 7 is controlled to rotate in the threaded sleeve 6 through the first knob 71 and gradually screwed and fixed with the external device. When the first knob 71 is fitted on the rear end of the threaded sleeve 6, the outer shell 9 is pushed forward from the wire assembly 4 until the rear end of the outer shell 9 is fitted with the rear end of the connector 2 and stops. At this time, the baffle 10 is fitted on the rear end of the first knob 71, and then the two groups of second knobs 111 are rotated. The second knob 111 controls the rotation of the threaded rod 11, and the threaded rod 11 drives the limit plate 12 to move vertically along the direction of the positioning rod 14. When the limit plate 12 is correspondingly inserted in the limit groove 8 and cannot move, it stops. At this time, the outer shell 9 is fixed in On the outside of the connector 2, the outer shell 9 is sealed and fitted with the external device through the front end sealing gasket 91, which can effectively prevent the front end contact 3 of the connector 2 from being invaded by dust and stains, and at the same time can prevent the bolt 7 from loosening and withdrawing, thereby ensuring the stability of the connector 2 and preventing it from short-circuiting. The insulating layer 44 arranged on the outside of the wiring harness 41 can effectively insulate and protect the wiring harness 41, and the flame retardant layer 45 and the outer protective layer 46 can effectively protect the wiring harness 41 from external wear or burning caused by high-temperature flames, thereby effectively improving the safety of the connection line. At the same time, the flexible pad 42 provides good extrusion and twisting buffering protection to prevent the internal wiring harness 41 from being broken and worn due to external forces.

[0027] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

Claims

1. A connecting wire with flame retardant function, characterized in that: The invention comprises a device body (1), wherein the device body (1) contains a connector (2) and an outer shell (9), wherein the front end of the connector (2) is provided with a contact (3) and the rear end is connected with a wire assembly (4), threaded sleeves (6) are fixed on both sides of the connector (2) and a bolt (7) is threadedly connected through the threaded sleeve (6), and a first knob (71) is provided at the rear end of the bolt (7), and the upper and lower ends of the connector (2) are provided with limit grooves (8), and the outer shell (9) is provided with an outer side of the connector (2) and the outer side is provided with a contact (3). A baffle (10) is provided at the rear end of the shell (9), and the baffle (10) corresponds to the rear end of the first knob (71). A group of threaded rods (11) are screwed at both the upper and lower ends of the outer shell (9), and the inner side of the threaded rods (11) is rotatably connected to a limiting plate (12), and the limiting plate (12) is correspondingly plugged into the limiting groove (8). A positioning sleeve (13) is provided on the inner wall of the connector (2), and positioning rods (14) are provided at the upper ends of both sides of the limiting plate (12), and the positioning rods (14) are movably plugged into the positioning sleeves (13).

2. The flame retardant connecting wire according to claim 1, characterized in that: The wire assembly (4) comprises a wire harness (41), the wire harness (41) is sheathed with a tightening layer (43) on the outside, the tightening layer (43) is sheathed with an insulating layer (44) on the outside, the insulating layer (44) is sheathed with a flame retardant layer (45) on the outside, and the flame retardant layer (45) is sheathed with an outer protective layer (46) on the outside.

3. The flame retardant connecting wire according to claim 2, characterized in that: The wire harness (41) is provided with a plurality of groups, and a flexible pad (42) is filled between the plurality of wire harnesses (41), and a buffer hole (421) is provided in the flexible pad (42).

4. The flame retardant connecting wire according to claim 1, characterized in that: A connecting block (5) is additionally provided between the wire assembly (4) and the connecting head (2), and side slots (51) are provided on both sides of the connecting block (5).

5. The flame retardant connecting wire according to claim 1, characterized in that: A sealing gasket (91) is provided at the front end of the outer shell (9).

6. The flame-retardant connecting wire according to claim 1, characterized in that: A second knob (111) is provided at the outer end of the threaded rod (11), and the second knob (111) is rotatably located outside the outer shell (9).

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