A communication optical cable with anti-bending and anti-compression protection functions

Abstract

The present invention relates to the technical field of communication optical cables, and discloses a communication optical cable with anti-bending and anti-compression protection functions, comprising an outer rubber sleeve, a protection structure is arranged inside the outer rubber sleeve, a plurality of limit rings are arranged outside the outer rubber sleeve, the inner wall diameter of the limit ring is the same as the outer diameter of the outer rubber sleeve, the protection structure comprises a protection ring, an arched groove is arranged on the outer wall of the protection ring, and the communication optical cable with anti-bending and anti-compression protection functions provided by the present invention comprises a protection ring, and the arched groove arranged on the surface of the protection ring can cooperate with an arc plate and a fixed block to form two protective forces acting in opposite directions. When the arched groove is compressed, in addition to the arch itself having strong pressure resistance, the arc plate cooperates with the fixed block to form a reverse bearing force and pulling force. In addition to further increasing the bearing pressure of the protection ring, the protection ring can also restore to an initial state after the compression ends, thereby generating a rebound elasticity.

Description

Technical Field

[0001] The present invention relates to the technical field of communication optical cables, and in particular to a communication optical cable with anti-bending and anti-compression protection functions. Background Art

[0002] In the patent document with application publication number CN113655579B, the outer sheath and at least three loose tubes are characterized in that the loose tube is composed of two loose tube bodies, two second cavities are formed in the loose tube bodies, connecting ribs are arranged between the loose tube bodies, the connecting ribs are V-shaped, a loose tube protective layer is arranged outside the loose tube, the loose tube protective layer is composed of a loose tube protective layer body, and the loose tube protective layer body is heart-shaped with an opening... The outer sheath is composed of an outer sheath body and limiting components spaced apart on the inner wall of the outer sheath body, a limiting groove is formed between two adjacent limiting components, the limiting component is inserted between two adjacent loose tube protective layers, the upper part of the loose tube protective layer is located in the corresponding limiting groove, at least one communication component is arranged in the second cavity, a central stabilizing component is arranged at the heart-shaped bottom convergence of all the loose tube protective layers, and the top edges of all the compression components are in contact with the inner wall of the outer sheath body and are located on the same circumference. The advantages are: simple structure, strong pressure resistance, strong tensile performance, loose tube body is not easy to deform, good heat dissipation performance and other effects.

[0003] In the prior art including the above patents, communication optical fiber is a glass fiber with a diameter of only about 0.2mm, which can transmit laser signals to achieve communication signal transmission. However, the mechanical properties of communication optical fiber are very fragile, and it is afraid of bending, pressure and tension, so it is necessary to add various protective elements to make optical cables. When laying or using optical cables as drag cables, improper operation and dragging during daily use will cause the optical cables to bend, and repeated bending for a long time will cause damage to the optical cables. In addition, when the optical cables are subjected to strong pressure, they will be squeezed inside, causing damage to the optical cables, or the internal optical fiber layer and its protective layer will break through the outer rubber sheath and be exposed, causing damage. Summary of the invention

[0004] The problem to be solved by the present invention is that a communication optical cable is in a bent state for a long time after being dragged or is repeatedly bent or stepped on, causing damage to the optical cable.

[0005] In order to solve the above technical problems, the technical solution of the present invention is: a communication optical cable with anti-bending and anti-compression protection functions, comprising an outer rubber sleeve, a protective structure is provided inside the outer rubber sleeve, a plurality of limit rings are provided outside the outer rubber sleeve, a groove is provided on the top of the limit ring, and the inner wall diameter of the limit ring is the same as the outer diameter of the outer rubber sleeve;

[0006] The protective structure comprises a protective ring, an outer wall of the protective ring is provided with an arched groove, an optical fiber loose tube is provided inside the arched groove, a communication optical fiber is provided inside the optical fiber loose tube, a reinforcement inner core is provided at the center of the protective ring, an elastic inner core is provided on the outer wall of the reinforcement inner core in a circumferential array, a plurality of grooves are equidistantly provided on the outer wall of the elastic inner core, a support plate is provided inside the groove, the support plate is Y-shaped, the top of the support plate is fixedly connected to the inner wall of the protective ring, both sides of the arched groove of the protective ring are fixedly provided with arc plates, a fixing block is provided at the middle position of the two arc plates, the two arc plates and the arched groove are in opposite semicircular arcs, a connection sleeve is fixedly provided at the top and bottom of the limit ring, the inner wall of the connection sleeve is hollow, a card plate is provided inside the connection sleeve, the width of the card plate is the same as the width of the slot, the bottom of the card plate is fixedly connected to the outer rubber sleeve, a plurality of square grooves are provided on the top of the card plate, and the connection sleeve can drive the limit ring to move along the card plate.

[0007] Preferably, a rotating shaft is provided at the top of the connection sleeve for rotation through a hinge, a movable cover is provided at the top of the rotating shaft, and magnetic blocks are provided on the front sides of both sides of the movable cover.

[0008] Preferably, the magnetic block is matched with the connecting sleeve, and a textured plate is fixedly provided on the bottom of the movable cover, and the textured plate is matched with the square groove on the top of the card plate.

[0009] Compared with the prior art, the technical solution of the present invention has the following advantages:

[0010] (1) A protective ring is provided inside the outer rubber sleeve. The arched groove provided on the surface of the protective ring can cooperate with the arc plate and the fixed block to form two protective forces acting in opposite directions. When the arched groove is under pressure, in addition to the strong compression resistance of the arch itself, the arc plate and the fixed block can also form a reverse bearing force and tension. In addition to further increasing the bearing pressure of the protective ring, the protective ring can also quickly restore to its initial state after the pressure ends, generating a strong resilience. A reinforced inner core and an elastic inner core are also provided inside the protective ring. A support plate is provided on the elastic inner core. The three can cooperate to increase the stability of the protective ring. The elastic inner core can add an instantaneous pressure protection. The support plate can form a triangular protection zone through the Y-shaped bifurcation at its top. The stable shape of the support ring will not deform after being compressed, thereby better protecting the loose optical fiber sleeve.

[0011] (2) A limit ring and a card plate are provided on the outside of the outer rubber sleeve. The limit ring can control its own movement by opening and closing the movable cover on the connecting sleeve. Each outer rubber sleeve is provided with a number of limit rings. The user can control the overall curvature of the outer rubber sleeve by adjusting the spacing between the limit rings. The closer the limit rings are to each other, the smaller the bending angle of the outer rubber sleeve is, which can protect the optical fiber loose tube from being damaged by the extreme bending angle. When encountering specific situations, the position of the limit ring can be adjusted by opening the movable cover to change the size of the bending angle. The card plate itself is an elastic structure and is an external type. After use, it can be considered whether to cut and disassemble it according to the actual use situation. Since the card plate itself is elastic, after the outer rubber sleeve is bent and the external force is lost, the card plate can use its own resilience to restore the optical fiber loose tube as a whole to a relatively straight state. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0013] Figure 2 It is a schematic diagram of the protection structure of the present invention;

[0014] Figure 3 This is a schematic diagram of the internal structure of the outer rubber sleeve of the present invention;

[0015] Figure 4 It is a front view schematic diagram of the elastic inner core structure of the present invention;

[0016] Figure 5 This is a schematic diagram of the reinforced inner core structure of the present invention;

[0017] Figure 6 This is a schematic diagram of the protection ring structure of the present invention;

[0018] Figure 7 This is a schematic diagram of the structure of the curved plate of the present invention;

[0019] Figure 8 This is a schematic diagram of the support plate structure of the present invention;

[0020] Fig. 9 This is a schematic diagram of the structure of the card board of the present invention;

[0021] Fig.10 It is a front view schematic diagram of the limiting ring structure of the present invention;

[0022] Fig.11 This is a schematic diagram of the structure of the magnetic suction block of the present invention;

[0023] Fig.12 It is a bottom view schematic diagram of the textured plate structure of the present invention.

[0024] In the figure: 1. limit ring; 2. clamping plate; 3. movable cover; 4. connecting sleeve; 5. optical fiber loose tube; 6. protection structure; 601. fixing block; 602. protection ring; 603. support plate; 604. reinforcement inner core; 605. elastic inner core; 606. arc plate; 7. outer rubber sleeve; 8. rotating shaft; 9. magnetic block; 10. textured plate; 11. communication optical fiber. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiments of the present disclosure clearer, the technical solution of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0026] Unless otherwise defined, the technical terms or scientific terms used in the present disclosure should be understood by people with ordinary skills in the field to which the present disclosure belongs. "Include" or "comprise" and other similar words used in the present disclosure mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and other similar words are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0027] like Figures 1 to 12 As shown, a communication optical cable with anti-bending and anti-compression protection functions provided by the present invention comprises an outer rubber sleeve 7, a protective structure 6 is provided inside the outer rubber sleeve 7, a plurality of limiting rings 1 are provided outside the outer rubber sleeve 7, a groove is provided on the top of the limiting ring 1, and the inner wall diameter of the limiting ring 1 is the same as the outer diameter of the outer rubber sleeve 7;

[0028] The protection structure 6 includes a protection ring 602, an arched groove is arranged on the outer wall of the protection ring 602, an optical fiber loose tube 5 is arranged inside the arched groove, a communication optical fiber 11 is arranged inside the optical fiber loose tube 5, a reinforcement inner core 604 is arranged at the center of the protection ring 602, the reinforcement inner core 604 is made of phosphating steel wire, an elastic inner core 605 is arranged around the outer wall of the reinforcement inner core 604, a plurality of grooves are arranged in a circular array on the outer wall of the elastic inner core 605 at equal intervals, a support plate 603 is arranged inside the groove, the support plate 603 is Y-shaped, the top of the support plate 603 is fixedly connected to the inner wall of the protection ring 602, and the protection structure 6 includes a protective ring 602, ... The gaps between the inner and outer parts of the protective ring 602 are filled with water-blocking grease. Arc plates 606 are fixed on both sides of the arched groove of the protective ring 602. A fixing block 601 is provided in the middle of the two arc plates 606. The two arc plates 606 are in opposite semicircular arcs with the arched groove. A connecting sleeve 4 is fixed on the top and bottom of the limiting ring 1. The inner wall of the connecting sleeve 4 is hollow. A clamping plate 2 is provided inside the connecting sleeve 4. The width of the clamping plate 2 is the same as the width of the slot. The bottom of the clamping plate 2 is fixedly connected to the outer rubber sleeve 7. A number of square grooves are provided on the top of the clamping plate 2. The connecting sleeve 4 can drive the limiting ring 1 to move along the clamping plate 2.

[0029] A rotating shaft 8 is provided on the top of the connection sleeve 4 for rotation through a hinge, a movable cover 3 is provided on the top of the rotating shaft 8, and magnetic blocks 9 are provided on the front sides of both sides of the movable cover 3.

[0030] The magnetic block 9 is matched with the connection sleeve 4 , and a textured plate 10 is fixedly provided at the bottom of the movable cover 3 , and the textured plate 10 is matched with the square groove at the top of the card plate 2 , and the length of the card plate 2 is the same as the overall length of the optical fiber loose tube 5 .

[0031] The working principle and use process of the present invention are as follows: when in use, the user can adjust the size of the bending angle of the optical cable according to actual use needs. Under normal circumstances, when the bending angle of the optical cable is not required to be too large, the movable cover 3 can be opened, and the movable cover 3 is rotated and opened with the rotating connection with the connecting sleeve 4 as the center of the circle. After opening, the textured plate 10 is disengaged from the square groove on the top of the clamping plate 2, and the connecting sleeve 4 can be moved after disengagement, and the connecting sleeve 4 will drive the limiting ring 1 to move, and after moving several limiting rings 1 to a more compact position, the movable cover 3 is closed again, and the movable cover 3 will be closed in the connecting sleeve 4 through the cooperation of the magnetic suction block 9. After closing, the textured plate 10 will be stuck on the clamping plate 2, limiting the position of the limiting ring 1. At this time, when the optical cable is bent, several limiting rings 1 are squeezed together, resulting in a smaller bending angle, and a large angle cannot be bent; on the contrary, when a large angle bending is required, the bending angle of the optical cable can be adjusted by changing the position of the limiting ring 1 according to the above method, and when the optical cable loses the After the external bending pressure is applied, the card plate 2 will restore the optical cable to a relatively straight initial state through its own resilience, so that the optical fiber loose tube 5 will not be in a bent state for a long time. When the outer rubber sleeve 7 of the optical cable is dragged, the connecting sleeve 4 can also serve as a protective device to prevent the surface of the outer rubber sleeve 7 from directly contacting the ground and causing damage. When the optical cable is subjected to external pressure, the pressure-bearing surface of the protective ring 602 will cause the arched groove to deform outward. During the deformation, the fixed block 601 cooperates with the arc plate 606 to provide an additional pulling force for the arched groove, thereby improving the bearing capacity of the arched groove. After the protective ring 602 is subjected to pressure, the support plate 603 cooperates with the elastic inner core 605 to further provide pressure buffering, and the stable area formed on the top of the support plate 603 can also help the protective ring 602 to restore its shape. The arched groove has a certain elastic restoring force, and will return to its initial state after the pressure ends, thereby avoiding flattening that affects the appearance and normal use of the optical cable.

[0032] The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present invention.

Claims

1. A communication optical cable with anti-bending and anti-compression protection functions, comprising an outer rubber sheath (7), characterized in that: A protective structure (6) is provided inside the outer rubber sleeve (7), and a plurality of limiting rings (1) are provided outside the outer rubber sleeve (7). A groove is provided on the top of the limiting ring (1), and the inner wall diameter of the limiting ring (1) is the same as the outer diameter of the outer rubber sleeve (7); The protective structure (6) comprises a protective ring (602), an outer wall of the protective ring (602) is provided with an arched groove, an optical fiber loose tube (5) is provided inside the arched groove, a communication optical fiber (11) is provided inside the optical fiber loose tube (5), a reinforcement inner core (604) is provided at the center of the protective ring (602), an elastic inner core (605) is provided around the outer wall of the reinforcement inner core (604), a plurality of grooves are formed in a circular array at equal intervals on the outer wall of the elastic inner core (605), a support plate (603) is provided inside the groove, the support plate (603) is Y-shaped, and the top of the support plate (603) is fixedly connected to the inner wall of the protective ring (602). , arc plates (606) are fixedly provided on both sides of the arched groove of the protective ring (602), a fixed block (601) is provided in the middle position of the two arc plates (606), and the two arc plates (606) are in opposite semicircular arcs with the arched groove, and the top and bottom of the limiting ring (1) are fixedly provided with a connecting sleeve (4), the inner wall of the connecting sleeve (4) is hollow, and a clamping plate (2) is provided inside the connecting sleeve (4), the width of the clamping plate (2) is the same as the width of the groove, the bottom of the clamping plate (2) is fixedly connected to the outer rubber sleeve (7), and a plurality of square grooves are provided on the top of the clamping plate (2), and the connecting sleeve (4) can drive the limiting ring (1) to move along the clamping plate (2).

2. A communication optical cable with anti-bending and anti-compression protection functions according to claim 1, characterized in that: A rotating shaft (8) is provided at the top of the connection sleeve (4) for rotation via a hinge, a movable cover (3) is provided at the top of the rotating shaft (8), and magnetic blocks (9) are provided on the front sides of both sides of the movable cover (3).

3. A communication optical cable with anti-bending and anti-compression protection functions according to claim 2, characterized in that: The magnetic attraction block (9) is matched with the connection sleeve (4), and a textured plate (10) is fixedly provided on the bottom of the movable cover (3), and the textured plate (10) is matched with the square groove on the top of the card plate (2).

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