High-flame-retardant electric wire and cable

Abstract

The utility model discloses a high flame retardant wire cable, comprising a cable body 1 and a cable body 2, one ends of the cable body 1 and the cable body 2 close to each other are respectively provided with a female head and a male head which are matched with each other, and the cable body 1 and the cable body 2 are respectively sleeved with a connecting sleeve 1 and a connecting sleeve 2 at the female head and the male head. A circular ring is arranged on the side, close to the second connecting sleeve, of the first connecting sleeve. Through the matching design of the first connecting sleeve, the second connecting sleeve and the clamping assembly, a connector at the connecting position of two cables can be fastened, looseness is avoided, and the problem that electric power or signal transmission is affected due to the fact that an existing high-flame-retardant electric wire and cable adopts a connector for cable connection and the connector is prone to looseness is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, and more specifically, to a highly flame-retardant wire and cable. Background Art

[0002] With the continuous and rapid growth of the Chinese economy, it provides a huge market space for cable products. Usually, when laying wires and cables, most of them adopt intensive laying. In crowded or important places, highly flame-retardant wires and cables are required.

[0003] A cable can be defined as an aggregate composed of the following parts: one or more insulated wire cores, and their respective possible coating layers, total protective layer and outer protective layer. A cable may also have additional non-insulated conductors. For the connection between existing highly flame-retardant wires and cables, joints are all adopted, and the joints are prone to looseness, thus affecting power or signal transmission.

[0004] Regarding the problems in the related art, no effective solution has been proposed yet. Content of the Utility Model

[0005] Regarding the problems in the related art, the utility model provides a highly flame-retardant wire and cable to overcome the above-mentioned technical problems existing in the related art.

[0006] Therefore, the specific technical solution adopted by the utility model is as follows:

[0007] A highly flame-retardant wire and cable includes a first cable body and a second cable body. One ends of the first cable body and the second cable body close to each other are respectively provided with a female head and a male head that match each other. The first cable body and the second cable body are respectively sleeved with a first connecting sleeve and a second connecting sleeve at the positions of the female head and the male head. One side of the first connecting sleeve close to the second connecting sleeve is provided with a circular ring, and one side of the second connecting sleeve is provided with a circular groove that matches the circular ring. A clamping component is arranged on the first connecting sleeve and the second connecting sleeve.

[0008] Preferably, the clamping component is located in an installation groove opened at the top end of the circular ring, and an installation block inserted into the installation groove is arranged at the top end in the circular groove.

[0009] Preferably, symmetrically arranged arc-shaped clamping blocks are arranged on the installation block located in the installation groove. The arc-shaped clamping blocks are connected to the installation block through rotating shafts, and through holes for the arc-shaped clamping blocks to rotate outwards are opened on both sides of the installation block.

[0010] Preferably, a tooth block is arranged at the bottom end of the arc-shaped clamping block, and tooth plates that match the tooth block are arranged at the top end in the installation groove and on both sides of the installation block.

[0011] Preferably, a movable block is provided in the mounting block and contacts with the top of the arc-shaped clamping block, the top of the movable block extends into the cavity in the second connecting sleeve, a movable column is provided in the cavity and passes through the movable block, a wedge is provided at the bottom end of the movable column and at the point where the movable block passes through, and an inclined groove matching the wedge is provided on the movable column.

[0012] Preferably, a threaded rod extending to the outside of the second connecting sleeve is provided on one side of the movable column, the threaded rod is connected to the movable column via a bearing, and a threaded hole matching the threaded rod is provided on the second connecting sleeve.

[0013] Preferably, a torsion spring is sleeved on the rotating shaft, and a knob is provided at one end of the threaded rod located outside the second connecting sleeve.

[0014] The beneficial effects of the utility model are as follows: through the coordinated design of the connecting sleeve 1 and the connecting sleeve 2 with the snap-fit assembly, the joints at the connection points of the two cables can be tightened to avoid loosening, thereby solving the problem that the existing high-flame-retardant wires and cables all use joints to connect the cables, and the joints are prone to loosening, thereby affecting power or signal transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be 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 paying creative work.

[0016] Figure 1 It is a structural schematic diagram of a highly flame-retardant wire and cable according to an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the decomposed state of a cable body 1 and a cable body 2 in a highly flame-retardant wire and cable according to an embodiment of the utility model;

[0018] Figure 3 It is a side view of a second connecting sleeve in a highly flame-retardant wire and cable according to an embodiment of the utility model;

[0019] Figure 4 It is a structural schematic diagram of a clamping assembly in a highly flame-retardant wire and cable according to an embodiment of the utility model.

[0020] In the figure:

[0021] 1. Cable body 1; 2. Cable body 2; 3. Female head; 4. Male head; 5. Connecting sleeve 1; 6. Connecting sleeve 2; 7. Ring; 8. Circular groove; 9. Installation groove; 10. Installation block; 11. Arc-shaped clamping block; 12. Rotating shaft; 13. Through hole; 14. Tooth plate; 15. Movable block; 16. Cavity; 17. Moving column; 18. Wedge block; 19. Threaded rod. Detailed implementation manners

[0022] To further illustrate each embodiment, the present utility model provides accompanying drawings. These drawings are part of the disclosure of the present utility model, mainly used to illustrate the embodiments, and can be combined with the relevant descriptions in the specification to explain the operation principle of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible implementation manners and the advantages of the present utility model. The components in the drawings are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0023] According to an embodiment of the present utility model, a highly flame-retardant wire and cable is provided.

[0024] Embodiment 1;

[0025] As Figures 1-4 shown, the highly flame-retardant wire and cable according to an embodiment of the present utility model includes a cable body 1 and a cable body 2. One ends of the cable body 1 and the cable body 2 close to each other are respectively provided with a mutually matching female head 3 and male head 4. The cable body 1 and the cable body 2 are respectively sleeved with a connecting sleeve 1 5 and a connecting sleeve 2 6 at the positions of the female head 3 and the male head 4. One side of the connecting sleeve 1 5 close to the connecting sleeve 2 6 is provided with a ring 7, and one side of the connecting sleeve 2 6 is provided with a circular groove 8 matching the ring 7. The connecting sleeve 1 5 and the connecting sleeve 2 6 are provided with a clamping component.

[0026] Embodiment 2;

[0027] As Figures 1-4 shown, the clamping component is located in the installation groove 9 opened at the top end of the ring 7. The top end in the circular groove 8 is provided with an installation block 10 inserted into the installation groove 9. The installation block 10 in the installation groove 9 is provided with symmetrically arranged arc-shaped clamping blocks 11. The arc-shaped clamping blocks 11 are connected to the installation block 10 through a rotating shaft 12. Both sides of the installation block 10 are provided with through holes 13 for the arc-shaped clamping blocks 11 to rotate outwards. The bottom end of the arc-shaped clamping block 11 is provided with a tooth block. The top end in the installation groove 9 and on both sides of the installation block 10 are provided with tooth plates 14 matching the tooth block.

[0028] Embodiment 3;

[0029] As Figures 1-4As shown, a movable block 15 is provided in the mounting block 10 and contacts the top of the arc-shaped clamping block 11, and the top of the movable block 15 extends into the cavity 16 in the connecting sleeve 6, and a movable column 17 penetrating the movable block 15 is provided in the cavity 16, and a wedge 18 is provided at the bottom end of the movable column 17 and at the penetration point of the movable block 15, and an inclined groove matching the wedge 18 is provided on the movable column 17, and a threaded rod 19 extending to the outside of the connecting sleeve 6 is provided on one side of the movable column 17, and the threaded rod 19 is connected to the movable column 17 through a bearing, and a threaded hole matching the threaded rod 19 is provided on the connecting sleeve 6, and a torsion spring is provided on the rotating shaft 12, and a knob is provided at one end of the threaded rod 19 located outside the connecting sleeve 6.

[0030] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0031] In actual application, when the female connector 3 and the male connector 4 are plugged in, the connecting sleeve 1 5 and the connecting sleeve 2 6 are synchronously docked. After the docking is completed, the threaded rod 19 is rotated to drive the movable column 17 to move left, and the wedge block 18 at the bottom of the movable column 17 cooperates with the inclined groove on the movable column 17 to push the movable column 17 to move downward, so that the movable column 17 pushes the arc clamping block 11 to rotate toward the through holes 13 on both sides with the rotating shaft 12 as the axis point, so that the arc clamping block 11 is changed from an inclined state to a horizontal state, and the tooth block at its end is engaged with the tooth plate 14, thereby completing the limiting fixation of the connecting sleeve 1 5 and the connecting sleeve 2 6, so that the joints at the two cable connections can be tightened to avoid loosening.

[0032] To sum up, with the aid of the above-mentioned technical scheme of the utility model, through the coordinated design of the connecting sleeve 1 5 and the connecting sleeve 2 6 with the snap-fit assembly, the joints at the connection points of the two cables can be tightened to avoid looseness, thereby solving the problem that the existing high-flame-retardant wires and cables all use joints to connect the cables, and the joints are prone to looseness, thereby affecting the transmission of electricity or signals.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A highly flame-retardant wire and cable, characterized in that, The invention comprises a cable body (1) and a cable body (2), wherein the ends of the cable body (1) and the cable body (2) close to each other are respectively provided with a female head (3) and a male head (4) matching each other, and the cable body (1) and the cable body (2) are respectively provided with a connecting sleeve (5) and a connecting sleeve (6) at the female head (3) and the male head (4), and the connecting sleeve (5) is provided with a circular ring (7) on one side close to the connecting sleeve (6), and a circular groove (8) matching the circular ring (7) is provided on one side of the connecting sleeve (6), and a clamping assembly is provided on the connecting sleeve (5) and the connecting sleeve (6), and the clamping assembly is located in an installation groove (9) opened at the top of the circular ring (7), and the top of the circular groove (8) is provided with a mounting block (10) inserted into the mounting groove (9), and the mounting block (10) is located in the mounting groove (9) and is provided with a symmetrically arranged arc-shaped clamping block (11) ), the arc-shaped clamping block (11) is connected to the mounting block (10) via a rotating shaft (12), through holes (13) are provided on both sides of the mounting block (10) for the arc-shaped clamping block (11) to rotate outward, a tooth block is provided at the bottom end of the arc-shaped clamping block (11), a tooth plate (14) matching the tooth block is provided at the top end of the mounting groove (9) and located on both sides of the mounting block (10), and a tooth plate (14) matching the tooth block is provided in the mounting block (10). A movable block (15) is abutted against the top of the clamp block (11), the top of the movable block (15) extends into a cavity (16) in the second connecting sleeve (6), a movable column (17) penetrating the movable block (15) is arranged in the cavity (16), a wedge block (18) is arranged at the bottom end of the movable column (17) and at the penetration point of the movable block (15), and an inclined groove matching the wedge block (18) is opened on the movable column (17).

2. A highly flame-retardant wire and cable according to claim 1, characterized in that, A threaded rod (19) extending to the outside of the second connecting sleeve (6) is provided on one side of the movable column (17); the threaded rod (19) is connected to the movable column (17) via a bearing; and a threaded hole matching the threaded rod (19) is provided on the second connecting sleeve (6).

3. The high-flame-retardant wire and cable according to claim 2, wherein The rotating shaft (12) is sleeved with a torsion spring, and the end of the threaded rod (19) located outside the second connecting sleeve (6) is provided with a knob.

Images