Self-supporting optical cable with waterproof surface layer

Abstract

The utility model relates to the technical field of optical cables, and discloses a self-supporting optical cable with a waterproof surface layer, which comprises a mounting frame and an optical cable, the mounting frame sleeves the end of the optical cable, one side of the mounting frame is clamped with an end face protection ring, a sealing plate is fixedly mounted on the inner wall of the end face protection ring, and clamping grooves are equidistantly formed in the inner wall of one side, close to the protection ring, of the mounting frame. Fixing grooves are formed in the side wall of the end face protection ring at equal intervals, first elastic pieces are fixedly connected into the fixing grooves, clamping blocks are fixedly connected to the sides, away from the fixing grooves, of the first elastic pieces, and the clamping blocks are clamped into the clamping grooves. Water is prevented from directly entering from the end face of the optical cable to influence the stability of the internal structure, and the plurality of connecting plates are arranged to form a sealing plate to cover and protect gaps among the optical fibers, so that the water is prevented from entering from the gaps among the optical fibers, and the waterproof performance of the end face of the optical cable is more comprehensive.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of optical cables, in particular to a self-supporting optical cable with a waterproof surface layer. BACKGROUND

[0002] The self-supporting optical cable is a new type of optical fiber communication equipment, and the structural design enables the optical cable to have a self-supporting function. The optical cable combines optical fibers and steel wire ropes together, and the steel wire ropes provide additional mechanical strength, are suitable for erection in the air or over a long distance, and avoid dependence on additional supports. The self-supporting optical cable not only reduces installation cost, but also improves the wind resistance and tensile resistance.

[0003] At present, when the self-supporting optical cable is used for waterproofing, a waterproof material is generally used to wrap the optical fiber to prevent water from entering and corroding. However, the waterproof treatment effect at the end of the optical cable is not good, the end is not capped, and there is a gap in the end face, so that water can enter the optical cable from the end, thereby affecting the use and transmission of the internal optical fiber. Therefore, the self-supporting optical cable with a waterproof surface layer is designed to solve the above problems. CONTENT OF THE INVENTION

[0004] In order to solve the problem, the application provides a self-supporting optical cable with a waterproof surface layer.

[0005] The self-supporting optical cable with a waterproof surface layer provided by the application adopts the following technical scheme:

[0006] The self-supporting optical cable with a waterproof surface layer comprises a mounting frame and an optical cable, the mounting frame is sleeved at the end of the optical cable, one side of the mounting frame is clamped with an end face protection ring, a sealing plate is fixedly installed on the inner wall of the end face protection ring, a clamping groove is symmetrically arranged on the inner wall of the mounting frame close to the protection ring, a fixing groove is symmetrically arranged on the side wall of the end face protection ring, a first elastic sheet is fixedly connected in the fixing groove, a clamping block is fixedly connected to the side of the first elastic sheet away from the fixing groove, and the clamping block is clamped with the clamping groove.

[0007] Preferably, the clamping block is arc-shaped on the side close to the mounting frame, and the clamping block is slidingly connected with the side wall of the fixing groove.

[0008] Preferably, the sealing plate is composed of a plurality of connecting plates, and the sealing plate is made of rubber material.

[0009] Preferably, a threaded ring is threadedly connected to one side of the mounting frame, and a fitting ring is fixedly connected to the side of the threaded ring away from the mounting frame.

[0010] Preferably, the fitting ring is in the shape of a circular truncated cone, and the fitting ring is tightly attached to the outer wall of the optical cable.

[0011] Preferably, mounting grooves are arranged on the upper and lower ends of the fitting ring, the mounting grooves are fixedly connected with the second elastic sheets, the second elastic sheets are fixedly connected with the clamping plates on the side away from the mounting grooves, the clamping plates are arc-shaped plates, and the clamping plates can form a ring.

[0012] Preferably, the optical cable is composed of an outer sheath, aramid, an inner set, a water-blocking tape, glass fiber and an optical fiber.

[0013] To sum up, the application has the following beneficial technical effects:

[0014] In the utility model, the installation frame and the protection ring are installed on the end face of the optical cable, the protection ring is clamped with the installation frame to form a whole to cover and protect the end face, water cannot directly enter from the end face of the optical cable, the stability of the internal structure is affected, and a plurality of connecting plates are arranged to form a sealing plate to cover and protect the gaps between the optical fibers, water cannot enter from the gaps between the optical fibers, and the waterproof performance of the end face of the optical cable is more comprehensive. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the partial sectional view of the main body of the application embodiment;

[0016] Figure 2 is the structural schematic view of the installation frame of the application embodiment;

[0017] Figure 3 is the exploded structural schematic view of the protection ring, the clamping block and the first elastic sheet of the application embodiment;

[0018] Figure 4 is the A structure enlarged view of the application embodiment; Figure 1

[0019] Figure 5 is the sectional view of the optical cable of the application embodiment;

[0020] Figure 6 is the structural schematic view of the connecting plate of the application embodiment.

[0021] The reference signs are as follows: 1, installation frame;11, clamping groove;2, optical cable;21, outer sheath;22, aramid;23, optical fiber;24, water-blocking tape;25, glass fiber;26, inner set;3, protection ring;31, fixed groove;32, first elastic sheet;33, clamping block;4, sealing plate;41, connecting plate;5, threaded ring;6, fitting ring;61, mounting groove;7, second elastic sheet;8, clamping plate. DETAILED DESCRIPTION

[0022] The following will be described in detail in combination with the accompanying drawings. Figures 1-6 The application will be further described in detail.

[0023] ​The embodiment of the present application discloses a self-supporting optical cable with waterproof surface layer. Figures 1-6 The self-supporting optical cable with waterproof surface layer comprises a mounting frame 1 and an optical cable 2, the mounting frame 1 is sleeved at the end of the optical cable 2, and the mounting frame 1 is clamped with an end face protection ring 3 on one side.

[0024] Specifically, a clamping groove 11 is equidistantly arranged on the inner wall of the mounting frame 1 close to the protection ring 3, a fixing groove 31 is equidistantly arranged on the side wall of the end face protection ring 3, a first elastic sheet 32 is fixedly connected in the fixing groove 31, a clamping block 33 is fixedly connected to the side of the first elastic sheet 32 away from the fixing groove 31, the clamping block 33 is clamped with the clamping groove 11, and the clamping block 33 is in an arc shape close to the side of the mounting frame 1, as shown in the figure. Figure 3 The clamping block 33 and the side wall of the fixing groove 31 are in sliding connection.

[0025] The protection ring 3 is pushed, so that the clamping block 33 arranged on the outer wall of the protection ring 3 is extruded and shrunk by the inner wall of the mounting frame 1, the first elastic sheet 32 is extruded and shrunk, until the clamping block 33 is aligned with the clamping groove 11, at this time, the first elastic sheet 32 pushes the clamping block 33 to expose from the fixing groove 31, and the clamping block 33 is clamped with the clamping groove 11, so that the protection ring 3 is connected with the mounting frame 1, and the protection ring 3 covers the end face of the optical cable 2, thereby protecting the end face and preventing water from entering the optical cable 2 from the end face.

[0026] By adopting the above technical scheme, the optical cable 2 is composed of an outer sheath 21, aramid 22, an inner group sleeve 26, a water-blocking belt 24, glass fiber 25 and an optical fiber 23, as shown in the figure, which is a common self-supporting optical cable structure, and thus excessive description is not given. Figure 5

[0027] By adopting the above technical scheme, the inner wall of the end face protection ring 3 is fixedly provided with a sealing plate 4, the sealing plate 4 is composed of a plurality of connecting plates 41, the sealing plate 4 is made of rubber material, is used for filling the gap between the optical fibers 23, and avoids water from entering through the gap between the optical fibers 23, so that the waterproof of the end face of the optical cable 2 is more comprehensive.

[0028] By adopting the above technical scheme, a threaded ring 5 is threadedly connected to one side of the mounting frame 1, the threaded ring 5 is fixedly connected with a fitting ring 6 away from one side of the mounting frame 1, the fitting ring 6 is in a circular truncated cone type, the fitting ring 6 is tightly attached to the outer wall of the optical cable 2, and the circular truncated cone type can reduce the contact surface of the end face and water, thereby reducing the adhesion of water.

[0029] By adopting the above technical scheme, mounting grooves 61 are arranged on the upper and lower ends of the fitting ring 6, a second elastic sheet 7 is fixedly connected in the mounting grooves 61, the second elastic sheet 7 is fixedly connected with a clamping plate 8 away from one side of the mounting grooves 61, the clamping plate 8 is an arc plate, and the clamping plate 8 can form a circular ring, so that the clamping plate 8 can wrap the outer wall of the optical cable 2.

[0030] ​The implementation principle of the self-supporting optical cable with a waterproof surface layer is as follows: first, the threaded ring 5 is threadedly connected with the rear part of the mounting frame 1, so that the fitting ring 6, the threaded ring 5 and the mounting frame 1 form an integral whole, then the fitting ring 6 and the mounting frame 1 are sleeved at the position of the end of the optical cable 2, the second elastic sheet 7 is connected to push the clamping plate 8 to clamp the outer wall of the optical cable 2, then the protection ring 3 is moved, and the optical fiber 23 in the optical cable 2 partially penetrates through the inner ring opening of the protection ring 3, then the protection ring 3 is pushed, so that the clamping block 33 arranged on the outer wall of the protection ring 3 is extruded and shrunk by the inner wall of the mounting frame 1, and the first elastic sheet 32 is extruded and shrunk, until the clamping block 33 is aligned with the clamping groove 11, at this time, the first elastic sheet 32 pushes the clamping block 33 to expose from the fixing groove 31, and the clamping block 33 is clamped in the clamping groove 11, so that the protection ring 3 is connected with the mounting frame 1, the protection ring 3 covers the end face of the optical cable 2, then the connecting plate 41 is placed in the inner diameter opening of the protection ring 3 in sequence, and the connecting plate 41 is located at the side of the optical fiber 23, until the gap between the optical fibers 23 is shielded, and the sealing plate 4 is formed, so that the end face of the optical cable 2 is effectively shielded and protected, and water directly enters the optical cable 2 from the side.

[0031] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between the two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0032] Secondly: the utility model discloses the embodiment of the drawings only relates to the structure involved in the embodiment of the present disclosure, and other structures can refer to the usual design, and in the case of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0033] Finally: the above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

[0034] The above are the preferred embodiments of the present application, and do not limit the protection scope of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A surface-waterproof self-supporting optical cable, comprising a mounting frame (1) and an optical cable (2), characterized in that: The mounting frame (1) is fitted onto the end of the optical cable (2). One side of the mounting frame (1) is snapped with an end face protection ring (3). A sealing plate (4) is fixedly installed on the inner wall of the end face protection ring (3). The mounting frame (1) has slots (11) equidistantly opened on the inner wall of the side of the side of the protection ring (3). The end face protection ring (3) has fixing slots (31) equidistantly opened on the side wall of the side of the end face protection ring (3). A first elastic piece (32) is fixedly connected in the fixing slot (31). A locking block (33) is fixedly connected on the side of the first elastic piece (32) away from the fixing slot (31). The locking block (33) snaps into the slot (11).

2. The surface-waterproof self-supporting optical cable according to claim 1, characterized in that: The card block (33) has an arc-shaped surface on the side near the mounting frame (1), and the card block (33) and the side wall of the fixing groove (31) are slidably connected.

3. The surface-waterproof self-supporting optical cable according to claim 1, characterized in that: The sealing plate (4) is composed of multiple connecting plates (41) and is made of rubber.

4. The surface-waterproof self-supporting optical cable according to claim 1, characterized in that: A threaded ring (5) is threadedly connected to one side of the mounting frame (1), and a fitting ring (6) is fixedly connected to the side of the threaded ring (5) away from the mounting frame (1).

5. A self-supporting optical cable with a waterproof surface as described in claim 4, characterized in that: The bonding ring (6) is frustum shaped and is tightly attached to the outer wall of the optical cable (2).

6. A self-supporting optical cable with a waterproof surface according to claim 5, characterized in that: The fitting ring (6) has mounting grooves (61) at both the upper and lower ends. A second elastic sheet (7) is fixedly connected in the mounting groove (61). A clamping plate (8) is fixedly connected on the side of the second elastic sheet (7) away from the mounting groove (61). The clamping plate (8) is an arc-shaped plate and can form a ring.

7. A self-supporting optical cable with a waterproof surface according to claim 1, characterized in that: The optical cable (2) is composed of an outer sheath (21), aramid fiber (22), an inner sheath (26), a water-blocking tape (24), glass fiber (25), and optical fiber (23).

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