Optical fiber protection device of passive optical network system

Abstract

The utility model relates to the technical field of optical fiber protection devices, and discloses a passive optical network system optical fiber protection device which comprises a shell, an elastic net is fixedly connected in the shell, a threaded short rod is rotatably connected in the shell, the outer wall of the threaded short rod is in threaded connection with a long strip plate, and the long strip plate is in threaded connection with the elastic net. A rolling column is rotatably connected to the left side of the inner wall of the shell, a top cover is connected to the top of the shell in a clamped mode, a bottom plate is fixedly connected to the top of the top cover, a plurality of supporting frames are fixedly connected to the top of the bottom plate at equal intervals, and threaded short columns are slidably connected to the tops of the supporting frames. A nut is screwed to enable a threaded short column to drive a long short plate to downwards extrude a spring II, and the impact on the outside of the optical fiber box is transmitted to the spring II through the long plate to release force, so that the problem that the optical fiber protection shell is damaged after being subjected to various accidental physical impacts and cannot provide enough protection for the optical fiber is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical fiber protection device technical field especially relates to passive optical network system optical fiber protection device. BACKGROUND

[0002] Passive optical network system optical fiber protection device is a kind of device for protecting optical fiber in passive optical network, its main function is to ensure that optical fiber can normally, safely transmit optical signal under various complex environmental conditions and use scene, prevent optical fiber from outside factors such as physical damage, environmental erosion, human destruction interference and damage.

[0003] Through the retrieval, China patent publication No. CN114815099A discloses an optical fiber protection device, including protection shell and lead pipe, lead pipe is fixedly arranged on the both sides of protection shell, fixed slot is formed in lead pipe;Buffer mechanism is arranged in protection shell and one end is fixedly connected with the inner wall of protection shell, buffer mechanism is provided with multiple and the other end is fixedly connected with communication pipe;Compression mechanism is installed in communication pipe;Locking mechanism is installed in one side of communication pipe and is fixedly connected with compression mechanism, locking mechanism can lock compression mechanism when moving away from optical fiber bundle, locking mechanism control end extends to the outside of protection shell;Wiring mechanism is arranged outside protection shell and can be connected with the end of optical fiber bundle, wiring mechanism can enter the fixed slot formed in lead pipe, the optical fiber protection device provided by the application not only protects optical fiber, but also can fix optical fiber, ensure the stability of optical fiber when using, it is convenient for the connection of optical fiber and user end, simple structure and strong practicality, but when optical fiber box is installed and used outdoors, optical fiber protection shell can suffer various accidental physical impact due to complex outdoor environment, protection shell will be damaged when facing these stronger impacts, cannot provide sufficient protection for optical fiber, even if protection shell is not broken, internal optical fiber can also be microbend and local stress concentration due to impact, lead to optical fiber breakage damage and further cause optical fiber damage. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides passive optical network system optical fiber protection device, aims at improving the problem that optical fiber protection shell cannot provide sufficient protection for optical fiber after suffering various accidental physical impact in prior art.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: passive optical network system optical fiber protection device, including the shell, the inside fixed connection of shell has the elastic net, the inside rotation of shell is connected with the short thread rod, the outer wall screw thread connection of short thread rod has the long strip board, the left side rotation of the inner wall of shell is connected with the rolling column, the top of shell is clamped and is connected with the top cover, the top fixed connection of top cover has the bottom plate, the top equidistance fixed connection of bottom plate has a plurality of support frames, the top sliding connection of support frame has the short thread column, the top wall middle part fixed connection of bottom plate has spring no.

[0006] Through the above technical scheme: by rotating the nut of the bottom plate top support frame top short thread column outer wall, make short thread column drive the top long short board to extrude the spring of bottom wall top wall middle part and contract, then by winding the internal optical fiber line on the internal elastic net, then by rotating the long strip board and rolling column of outer wall drive the short thread rod, the optical fiber line is fixed to avoid winding, finally by long plate, the impact that the optical fiber box is received outside is transferred to the spring after adjustment and is relieved.

[0007] As a further description of the above technical scheme:

[0008] The fixing mechanism includes a fixed square sheet, the fixed square sheet is installed on the outer wall left and right sides of the shell, the outer wall right side of the fixed square sheet is fixedly connected with a hollow square block, the inside front and back sides of the hollow square block are slidably connected with U-shaped blocks, the adjacent side of the U-shaped block is fixedly connected with a plurality of springs, the outer wall left side of the U-shaped block is fixedly connected with a square plate, the outer wall of the square plate is fixedly connected with a plurality of sawteeth at equal intervals, the outer wall right side of the shell is fixedly connected with an elongated inner sliding groove block, the inside of the elongated inner sliding groove block is slidably connected with a square moving block, and the outer wall right side of the square moving block is fixedly connected with an elongated inner tooth block.

[0009] Through the above technical scheme: by pressing the U-shaped block inside the hollow square block, the internal spring is contracted to drive the square plate and the sawteeth on the outer wall of the square plate to contract inward at the same time, then by sliding the elongated inner tooth block on the right side of the square moving block inside the elongated inner sliding groove block, the elongated inner tooth block is slid to the middle of the fixed square sheet, and after the pressed U-shaped block is released, the square plate is opened to both sides by the spring; finally, the sawteeth and the sawteeth inside the elongated inner tooth block are clamped and fixed.

[0010] As a further description of the above technical scheme:

[0011] The outer wall of the shell is screw-connected with a screw two, and the outer wall of the screw two is screw-connected with a warning sign.

[0012] Through the above technical scheme, the warning sign on the front side of the outer wall of the shell can remind the staff of the matters needing attention during disassembly and maintenance of the optical fiber box to avoid danger.

[0013] As a further description of the above technical scheme:

[0014] The bottom of the shell is screw-connected with a screw one at four corners, and the outer wall of the screw one is screw-connected with a protective pad.

[0015] Through the above technical scheme, the protective pad at the four corners of the bottom of the shell can protect the shell.

[0016] As a further description of the above technical scheme:

[0017] The outer wall of the top cover is fixedly connected with a plurality of buckles at left and right sides at equal intervals, the outer wall of the shell is fixedly connected with a plurality of buckling rings at the right side at equal intervals, and the buckles and the buckling rings are clampedly connected.

[0018] Through the above technical scheme, the clamped connection of the buckles and the buckling rings can realize secondary enhancement of the sealing between the shell and the top cover.

[0019] As a further description of the above technical scheme:

[0020] The top left side of the top cover is fixedly connected with a hollow box, and the hollow box is slidably connected with a drawer.

[0021] Through the above technical scheme, the drawer slidably connected in the hollow box can store used and standby parts and tools, so that they can be replaced and used in time when needed.

[0022] As a further description of the above technical scheme:

[0023] The outer wall of the drawer is screw-connected with a screw four at the left side, and the outer wall of the screw four is screw-connected with a pull ring.

[0024] Through the above technical scheme, the pull ring at the left side of the outer wall of the drawer can facilitate opening and closing of the drawer.

[0025] As a further description of the above technical scheme:

[0026] The outer wall of the U-shaped block is provided with an anti-skid pad, and the middle part of the anti-skid pad is screw-connected with a screw three.

[0027] Through the above technical scheme, the anti-skid pad installed on the outer wall of the U-shaped block can enhance the comfort of the staff when pressing the U-shaped block, and can prevent the phenomenon of hand slipping when pressing.

[0028] The utility model has the advantages of the following:

[0029] 1. In the utility model, the long-shaped short plate at the top end is driven by the threaded stub to extrude spring two downward for contraction, and the impact on the optical fiber box from the outside is transmitted to the adjusted spring for pressure relief through the long plate, so that the problem of damage and failure to provide sufficient protection for the optical fiber after the optical fiber protection shell suffers various unexpected physical impacts is avoided.

[0030] 2. In the utility model, the spring is contracted by pressing the shaped block, and then the long-shaped internal tooth block on the right side of the square moving block is slid to the middle of the fixed square piece, the U-shaped block is loosened, the square plate is pried open to both sides by spring one, and finally the sawtooth and the sawtooth inside the long-shaped internal tooth block are clamped and fixed, so that the effect of fixing the connection between the shell and the top cover is realized. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 A perspective view of the passive optical network system optical fiber protection device according to the utility model is provided.

[0032] Figure 2 A partial left view of the passive optical network system optical fiber protection device according to the utility model is provided.

[0033] Figure 3 A partial structure display diagram of the passive optical network system optical fiber protection device according to the utility model is provided.

[0034] Figure 4 A partial structure diagram of the passive optical network system optical fiber protection device according to the utility model is provided.

[0035] Figure 5 A fixed mechanism exploded view of the passive optical network system optical fiber protection device according to the utility model is provided.

[0036] Figure 6 A partial structure display diagram of the fixed mechanism of the passive optical network system optical fiber protection device according to the utility model is provided.

[0037] LEGEND:

[0038] 1, shell; 2, fixed mechanism; 201, fixed square piece; 202, U-shaped block; 203, square plate; 204, spring one; 205, sawtooth block; 206, hollow square block; 207, square moving block; 208, long inner sliding groove block; 209, long inner tooth block; 3, nut; 4, ring; 5, buckle; 6, top cover; 7, long plate; 8, screw one; 9, screw two; 10, warning sign; 11, protective pad; 12, screw three; 13, non-slip pad; 14, long short plate; 15, screw four; 16, pull ring; 17, pull box; 18, hollow box; 19, threaded short column; 20, support frame; 21, threaded short rod; 22, long strip plate; 23, elastic net; 24, rolling column; 25, bottom plate; 26, spring two. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0040] Referring to Figure 3 , Figure 4 and Figure 5The utility model provides an embodiment: passive optical network system optical fiber protection device, the inside fixed connection of casing 1 has the function of supporting inside optical fiber, the inside rotatory connection of casing 1 has screw short pole 21, the outer wall screw thread connection of screw short pole 21 has long strip board 22, the inside wall left side rotatory connection of casing 1 has rolling column 24, by rotating screw short pole 21 drive long strip board 22 and rolling column 24 with optical fiber line arrangement fixed prevention occurs winding, the top of casing 1 snap connection has top cover 6, the top fixed connection of top cover 6 has bottom plate 25, the top equidistance fixed connection of bottom plate 25 has a plurality of support frame 20, the top sliding connection of support frame 20 has screw short column 19, and support frame 20 plays the role of fixed screw short column 19, and screw short column 19 plays the role of sliding, the top wall middle part fixed connection of bottom plate 25 has spring no. 2 26, the top fixed connection of screw short column 19 has long short board 14, and long short board 14's top fixed connection has long board 7 and plays the role of fixed, the outer wall screw thread connection of screw short column 19 has nut 3 and plays the role of rotating adjustment, the outer wall left and right sides of casing 1 are all installed with fixed mechanism 2, and fixed mechanism 2 is used for strengthening the sealing performance of casing 1 and top cover 6 prevents impurities from entering, the outer wall front side screw thread connection of casing 1 has screw no. 2 9, the outer wall screw thread connection of screw no. 2 9 has warning sign 10, and the warning sign 10 of casing 1 outer wall front side can remind staff the matters needing attention in carrying out dismounting and maintaining optical fiber box to avoid danger, the bottom four corner places of casing 1 are all screw thread connection with screw no. 1 8, and the outer wall screw thread connection of screw no. 1 8 has protection pad 11, and the protection pad 11 of casing 1 bottom four corner places can play the role of protection to casing 1;

[0041] Specifically, by rotating according to the environment of optical fiber installation, the nut 3 of the outer wall of the screw short column 19 on the top of the support frame 20 on the top of the bottom plate 25 causes the screw short column 19 to drive the long short board 14 at the top to press down the spring no. 2 26 in the top wall middle part of the bottom plate 25 to shrink, then the optical fiber line inside the casing 1 is wound on the elastic net 23 inside, then the long strip board 22 on the outer wall is driven by rotating the screw short rod 21 to fix the optical fiber line with the rolling column 24 to avoid winding, finally the impact on the optical fiber box outside is transmitted to the adjusted spring no. 2 26 to release the force through the long board 7, the outer wall front side screw thread connection of casing 1 has screw no. 2 9, the outer wall screw thread connection of screw no. 2 9 has warning sign 10, and the warning sign 10 of casing 1 outer wall front side can remind staff the matters needing attention in carrying out dismounting and maintaining optical fiber box to avoid danger, the bottom four corner places of casing 1 are all screw thread connection with screw no. 1 8, and the outer wall screw thread connection of screw no. 1 8 has protection pad 11, and the protection pad 11 of casing 1 bottom four corner places can play the role of protection to casing 1.

[0042] Refer to Figure 1 , Figure 2 and Figure 6The fixing mechanism 2 comprises a fixing square sheet 201 installed on the left and right sides of the outer wall of the shell 1, a hollow square block 206 fixedly connected to the right side of the outer wall of the fixing square sheet 201, a U-shaped block 202 slidably connected to the front and rear sides of the interior of the hollow square block 206 to play a role of sliding contraction, a plurality of springs 204 fixedly connected to the adjacent side of the U-shaped block 202 at equal intervals to play a role of buffering the force, a square plate 203 fixedly connected to the left side of the outer wall of the U-shaped block 202, a plurality of sawtooth blocks 205 fixedly connected to the outer wall of the square plate 203 at equal intervals to play a role of fixed clamping, an elongated inner sliding groove block 208 fixedly connected to the right side of the outer wall of the shell 1, a square moving block 207 slidably connected to the interior of the elongated inner sliding groove block 208 to play a role of sliding distance adjustment, an elongated inner tooth block 209 fixedly connected to the right side of the outer wall of the square moving block 207, a plurality of buckles 5 fixedly connected to the left and right sides of the outer wall of the top cover 6 at equal intervals, a plurality of clasp rings 4 fixedly connected to the right side of the outer wall of the shell 1 at equal intervals, the buckles 5 and the clasp rings 4 being clamped and connected, the clamped and connected buckles 5 and clasp rings 4 being capable of realizing secondary enhancement of the sealing property between the shell 1 and the top cover 6, the hollow box 18 being fixedly connected to the left side of the top of the top cover 6, the drawer 17 being slidably connected to the interior of the hollow box 18, the drawer 17 slidably connected to the interior of the hollow box 18 being capable of storing components and tools for use and standby so as to be capable of being replaced and used in time in subsequent need.

[0043] Specifically, by pressing the U-shaped block 202 in the interior of the hollow square block 206, the internal springs 204 are contracted to drive the square plate 203 and the sawtooth blocks 205 on the outer wall of the square plate 203 to be simultaneously contracted inward, the elongated inner tooth block 209 on the right side of the square moving block 207 in the elongated inner sliding groove block 208 is slid to the middle part of the fixing square sheet 201, the pressed U-shaped block 202 is released, the square plate 203 is pried open to the two sides by the springs 204, and finally the sawtooth blocks 205 and the elongated inner tooth block 209 are clamped and fixed, a plurality of clasp rings 4 are fixedly connected to the right side of the outer wall of the shell 1 at equal intervals, the buckles 5 and the clasp rings 4 are clamped and connected, the clamped and connected buckles 5 and clasp rings 4 are capable of realizing secondary enhancement of the sealing property between the shell 1 and the top cover 6, the hollow box 18 is fixedly connected to the left side of the top of the top cover 6, the drawer 17 is slidably connected to the interior of the hollow box 18, the drawer 17 slidably connected to the interior of the hollow box 18 is capable of storing components and tools for use and standby so as to be capable of being replaced and used in time in subsequent need.

[0044] Referring to Figure 1 and Figure 2The outer wall of the drawer 17 is threadedly connected with a screw four 15, the outer wall of the screw four 15 is threadedly connected with a pull ring 16, the pull ring 16 on the left side of the outer wall of the drawer 17 can facilitate opening and closing of the drawer 17, the outer wall of the U-shaped block 202 is provided with an anti-skid pad 13, the middle part of the anti-skid pad 13 is threadedly connected with a screw three 12, and the anti-skid pad 13 installed on the outer wall of the U-shaped block 202 can enhance the comfort of the staff when pressing the U-shaped block 202 and can prevent the phenomenon of hand slipping when pressing.

[0045] Specifically, the outer wall of the drawer 17 is threadedly connected with a screw four 15, the outer wall of the screw four 15 is threadedly connected with a pull ring 16, the pull ring 16 on the left side of the outer wall of the drawer 17 can facilitate opening and closing of the drawer 17, the outer wall of the U-shaped block 202 is provided with an anti-skid pad 13, the middle part of the anti-skid pad 13 is threadedly connected with a screw three 12, and the anti-skid pad 13 installed on the outer wall of the U-shaped block 202 can enhance the comfort of the staff when pressing the U-shaped block 202 and can prevent the phenomenon of hand slipping when pressing.

[0046] Working principle: through rotation according to the environment of fiber installation, the nut 3 on the outer wall of the threaded short column 19 at the top of the support frame 20 at the top of the bottom plate 25 makes the threaded short column 19 drive the long short plate 14 at the top to extrude the spring two 26 in the middle of the top wall of the bottom plate 25 to shrink, then the fiber line in the shell 1 is wound on the elastic net 23 inside, then the long strip plate 22 and the rolling column 24 on the outer wall are driven by the threaded short rod 21 to fix the fiber line to avoid winding, and finally the impact on the fiber box outside is transmitted to the adjusted spring two 26 to release the force; thereby avoiding the problem that the fiber protection shell is damaged after suffering various accidental physical impacts and cannot provide sufficient protection for the fiber;

[0047] By pressing the U-shaped block 202 in the hollow square block 206, the spring one 204 inside is shrunk to drive the square plate 203 and the sawtooth block 205 on the outer wall of the square plate 203 to shrink inward at the same time, then the long inner toothed block 209 on the right side of the square moving block 207 in the long inner sliding groove block 208 is slid to the middle of the fixed square piece 201, the U-shaped block 202 is loosened and pressed, and the square plate 203 is stretched to both sides by the spring one 204; finally, the sawtooth inside the sawtooth block 205 and the long inner toothed block 209 is clamped and fixed, thereby realizing the fixing effect of the connection between the shell 1 and the top cover 6.

[0048] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, the made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. Passive optical network system optical fiber protection device comprising a housing (1), characterized in that: The inside of the shell (1) is fixedly connected with an elastic net (23), the inside of the shell (1) is rotatably connected with a threaded short rod (21), the outer wall of the threaded short rod (21) is threadedly connected with a long strip plate (22), the left side of the inner wall of the shell (1) is rotatably connected with a rolling column (24), the top of the shell (1) is clasply connected with a top cover (6), the top of the top cover (6) is fixedly connected with a bottom plate (25), a plurality of support frames (20) are fixedly connected to the top of the bottom plate (25) at equal intervals, a threaded short column (19) is slidably connected to the top of the support frame (20), a spring two (26) is fixedly connected to the middle of the top wall of the bottom plate (25), an elongated short plate (14) is fixedly connected to the top end of the threaded short column (19), an elongated plate (7) is fixedly connected to the top of the elongated short plate (14), a nut (3) is threadedly connected to the outer wall of the threaded short column (19), a fixing mechanism (2) is installed on the left and right sides of the outer wall of the shell (1), and the fixing mechanism (2) is used to strengthen the sealing performance of the shell (1) and the top cover (6) to prevent impurities from entering.

2. The apparatus according to claim 1, wherein: The fixing mechanism (2) comprises a fixed square sheet (201), the fixed square sheet (201) is installed on the left and right sides of the outer wall of the shell (1), a hollow square block (206) is fixedly connected to the right side of the outer wall of the fixed square sheet (201), U-shaped blocks (202) are slidably connected to the front and rear sides of the inside of the hollow square block (206), a plurality of spring ones (204) are fixedly connected to the adjacent side of the U-shaped block (202) at equal intervals, a square plate (203) is fixedly connected to the left side of the outer wall of the U-shaped block (202), a plurality of sawtooth blocks (205) are fixedly connected to the outer wall of the square plate (203) at equal intervals, an elongated inner sliding groove block (208) is fixedly connected to the right side of the outer wall of the shell (1), a square moving block (207) is slidably connected to the inside of the elongated inner sliding groove block (208), and an elongated inner tooth block (209) is fixedly connected to the right side of the outer wall of the square moving block (207).

3. The PON system fiber protection apparatus of claim 1, wherein: The front side of the outer wall of the shell (1) is threadedly connected with a screw two (9), and the outer wall of the screw two (9) is threadedly connected with a warning sign (10).

4. The apparatus according to claim 1, wherein: The bottom four corners of the shell (1) are threadedly connected with a screw one (8), and the outer wall of the screw one (8) is threadedly connected with a protective pad (11).

5. The fiber optic protection device for a passive optical network system according to claim 1, characterized in that: A plurality of buckles (5) are fixedly connected to the left and right sides of the outer wall of the top cover (6) at equal intervals, a plurality of clasp rings (4) are fixedly connected to the right side of the outer wall of the shell (1) at equal intervals, and the buckle (5) is clasply connected with the clasp ring (4).

6. The apparatus according to claim 1, wherein: The top left side of the top cover (6) is fixedly connected with a hollow box (18), and the inside of the hollow box (18) is slidably connected with a drawer (17).

7. The PON system fiber protection apparatus of claim 6, wherein: The left side of the outer wall of the drawer (17) is threadedly connected with a screw four (15), and the outer wall of the screw four (15) is threadedly connected with a pull ring (16).

8. The apparatus according to claim 2, wherein: The outer wall of the U-shaped block (202) is provided with an antiskid pad (13), and the middle of the antiskid pad (13) is threadedly connected with a screw three (12).

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