Waterproof optical cable connector box

Abstract

The utility model relates to the technical field of cable connector boxes. The embodiment of the utility model provides a waterproof optical cable connector box. According to the utility model, when an optical cable needs to be jointed, a worker enables the optical cable to penetrate into the waterproof box and enter the lower joint box, installs the sealing strip and the sealing sleeve into the inlaying groove, completes jointing through the optical fiber distribution frame, and then installs the upper joint box and the lower joint box. At the moment, a worker stably rotates and screws a handle through an anti-slip strip, so that one sealing arc plate moves to be in contact sealing with the surface of the optical cable through the other sealing arc plate, the two sealing arc plates coincide, meanwhile, the sealing arc blocks are in close contact with the surface of the optical cable through compression springs, and the sealing arc blocks coincide to a whole circle; by means of the technical scheme, the technical problem that in the prior art, multiple sealing and water prevention cannot be conducted on the connector box is solved.

Description

Technical Field

[0001] The embodiments of this utility model relate to the field of cable junction box technology, specifically, to a waterproof optical cable junction box. Background Technology

[0002] Optical fiber cable is a telecommunications transmission line used to transmit optical signals. It consists of one or more insulated optical fibers, usually wrapped in a protective outer layer. Optical fiber cables are commonly used for long-distance communication transmission and have advantages such as high bandwidth, low loss, and anti-interference. They are widely used in various communication networks and data transmission systems. Waterproof optical fiber splice closures are devices used to protect optical fiber connection points and joints, and are typically used in outdoor optical fiber cabling systems.

[0003] According to a public disclosure (publication number: CN 220983586U), a fiber optic splice box includes: a splice box body, a fiber optic spool inside the splice box body, four first fiber optic patch cords on the fiber optic spool, and a connecting fiber optic cable on the fiber optic spool; one end of the connecting fiber optic cable is connected to the first fiber optic patch cord, and the other end extends out of the splice box body and is connected to a splice box, where a second fiber optic patch cord is installed; the connecting fiber optic cable is equipped with an armored aviation connector.

[0004] In the aforementioned application, the cooperation between the junction box body and the armored aviation connector assembly makes it difficult to effectively waterproof the optical cable after it is installed in the box. This results in water entering the box, causing damage to the optical cable upon contact with water, and consequently reducing the service life of the optical cable. Therefore, we propose a waterproof optical cable junction box. Utility Model Content

[0005] To overcome the above-mentioned defects, embodiments of this utility model provide a waterproof optical cable junction box, which solves the problem of adjusting the skeleton length in related technologies.

[0006] According to one aspect, at least one embodiment of the present invention provides a waterproof optical cable junction box, including an upper junction box and a lower junction box, wherein the bottom of the upper junction box is located at the top of the lower junction box, an optical fiber distribution frame is fixedly connected inside the lower junction box, and a waterproof mechanism is provided at the entrance of the lower junction box.

[0007] The waterproof mechanism includes a waterproof box, which is fixedly connected to the inlet of the lower connector box. A control shaft is rotatably connected through the circumference of the waterproof box, and a gear is fixedly connected through the circumference of the control shaft. A sliding groove is provided inside the waterproof box, and a rack is slidably connected inside the sliding groove. An arc-shaped connecting rod is fixedly connected to the side of the rack, and a sealing arc plate is fixedly connected to the end of the arc-shaped connecting rod away from the side of the rack. The purpose of this is to prevent moisture from entering and ensure the dryness and safety of the fiber optic connector.

[0008] For example, in at least one embodiment of the present invention, a waterproof optical cable junction box is provided, which further includes: a compression spring fixedly connected inside the sealing arc plate, and a sealing arc block fixedly connected to one end of the compression spring away from the inside of the sealing arc plate, the purpose of which is to seal the optical cable surface by means of the sealing arc block through the compression spring.

[0009] Both the upper and lower junction boxes have inlay grooves inside, and sealing strips are inserted into the inlay grooves. Sealing sleeves are fixedly connected to the sides of the sealing strips. The purpose is to improve the waterproof effect through multiple seals.

[0010] A rotating handle is fixedly connected to the circumferential surface of the control shaft, and an anti-slip strip is fixedly connected to the circumferential surface of the rotating handle. The initial state of the compression spring is relaxed, the purpose of which is to ensure that the operator can rotate the control shaft stably.

[0011] The circumferential surface of the gear meshes with the side of the rack. The number of waterproof boxes, gears and turning handles is set to four, in pairs, and symmetrical to each other along the vertical central axis of the lower connector box. The purpose is to ensure that the rotation of the gear can drive the rack to move, and to waterproof each inlet through multiple waterproof boxes.

[0012] According to another aspect, at least one embodiment of the present invention also provides a waterproof optical cable junction box, including a locking mechanism. The locking mechanism includes a mounting plate, which is fixedly inserted through the circumferential surface of a control shaft. A ratchet block is fixedly connected to the circumferential surface of the mounting plate. A support shaft is rotatably connected inside the waterproof box, and a locking pawl is fixedly connected to the circumferential surface of the support shaft. The purpose of this is to lock the sealed optical cable and prevent the control shaft from rotating.

[0013] For example, in at least one embodiment of the present invention, a waterproof optical cable junction box is provided, which further includes: a torsion spring fixedly connected to the inner wall of the waterproof box, and the end of the torsion spring away from the inner wall of the waterproof box is fixedly connected to the circumferential surface of the support shaft. The purpose is to ensure that the support shaft can automatically reset and reduce manual intervention.

[0014] A push rod is slidably connected through the side of the waterproof box. A limit plate is fixedly connected to the circumferential surface of the push rod. The torsion spring is initially in a relaxed state. Its purpose is to release the lock by pushing the push rod to make the locking pawl leave the displacement trajectory of the pawl block.

[0015] A return spring is fixedly connected to the side of the limiting plate. The end of the return spring away from the side of the limiting plate is fixedly connected to the inner wall of the waterproof box. The initial state of the return spring is a relaxed state, which is to ensure that the push rod can automatically return to its original position after use.

[0016] The number of the ratchet blocks is set to several and arranged in a circumferential array along the circumference of the mounting plate. The side of the locking pawl is located on the displacement trajectory of the ratchet block and the push rod. The purpose is to enable accurate locking through multiple ratchet blocks, while ensuring that the rotation of the ratchet block can push the locking pawl and the movement of the push rod can push the locking pawl.

[0017] The beneficial effects of the embodiments of this utility model are as follows:

[0018] 1. In this utility model, through the mutual cooperation between components such as gears, racks, and sealing arc plates in the waterproof mechanism, when it is necessary to splice the optical cable, the worker inserts the optical cable into the waterproof box and into the lower splice box. The sealing strip and sealing sleeve are installed into the inlay groove, and the splice is completed through the fiber optic distribution frame. Then, the upper and lower splice boxes are installed. At this time, the worker rotates the handle steadily by using the anti-slip strip, so that the two sealing arc plates overlap. At the same time, the sealing arc block is in close contact with the surface of the optical cable through the compression spring. By having multiple sealing arc blocks overlap to form a complete circle, the splice box is sealed and waterproofed in multiple ways. This design achieves the effect of multiple waterproofing of the optical cable splice box, which can prevent water from entering and ensure the dryness and safety of the fiber optic splice.

[0019] 2. In this utility model, through the cooperation between components such as the locking mechanism's ratchet block, locking pawl, and push rod, the control shaft rotates while driving the mounting plate to rotate. The rotation of the mounting plate drives the ratchet block to rotate. During the rotation of the ratchet block, the arc-shaped surface contacts and pushes against the side of the locking pawl, causing the locking pawl to rotate through the support shaft. When the ratchet block continues to rotate and the arc-shaped surface leaves the side of the locking pawl, the support shaft automatically resets due to the elasticity of the torsion spring. After resetting, the locking pawl contacts the right-angled surface of the ratchet block, locking the mounting plate. This design achieves the effect of locking the gear, preventing accidental gear rotation that could create gaps in the seal and affect the waterproof effect. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model, the accompanying drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are merely some exemplary embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the exemplary embodiments of this utility model and these drawings without any creative effort.

[0021] Figure 1 This is a structural schematic diagram of the overall three-dimensional appearance of the junction box of this utility model;

[0022] Figure 2 This is a three-dimensional cross-sectional structural diagram of the lower connector box of this utility model;

[0023] Figure 3 This is a three-dimensional enlarged structural schematic diagram of the gear part of this utility model;

[0024] Figure 4 This is a three-dimensional enlarged structural diagram of the waterproof box of this utility model;

[0025] Figure 5 This utility model Figure 4 A three-dimensional magnified structural diagram of A.

[0026] In the diagram: 1. Upper junction box; 2. Lower junction box; 3. Fiber optic patch panel; 4. Waterproof mechanism; 41. Waterproof box; 42. Control shaft; 43. Gear; 44. Slide groove; 45. Rack; 46. Arc-shaped connecting rod; 47. Sealing arc plate; 48. Compression spring; 49. Sealing arc block; 410. Embedding groove; 412. Sealing strip; 413. Sealing sleeve; 414. Twisting handle; 415. Anti-slip strip; 5. Locking mechanism; 51. Mounting plate; 52. Ratchet; 53. Support shaft; 54. Locking pawl; 55. Torsion spring; 56. Push rod; 57. Limit plate; 58. Return spring. Detailed Implementation

[0027] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit its scope.

[0028] To keep the drawings concise, only the parts relevant to the utility model are shown schematically in each drawing; these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of the components with the same structure or function is schematically shown, or only one is labeled. In this document, "a" not only means "only one," but can also mean "more than one," and "several" includes "two" and "more than two."

[0029] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0031] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0032] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0033] like Figures 1-5 As shown, it illustrates a waterproof optical cable junction box according to an embodiment of the present invention, including an upper junction box 1 and a lower junction box 2. The bottom of the upper junction box 1 is located at the top of the lower junction box 2. An optical fiber distribution frame 3 is fixedly connected inside the lower junction box 2, and a waterproof mechanism 4 is provided at the entrance of the lower junction box 2.

[0034] The waterproof mechanism 4 includes a waterproof box 41, which is fixedly connected to the inlet of the lower connector box 2. A control shaft 42 is rotatably connected through the circumference of the waterproof box 41. A gear 43 is fixedly connected through the circumference of the control shaft 42. A sliding groove 44 is provided inside the waterproof box 41. A rack 45 is slidably connected inside the sliding groove 44. An arc-shaped connecting rod 46 is fixedly connected to the side of the rack 45. A sealing arc plate 47 is fixedly connected to the end of the arc-shaped connecting rod 46 away from the side of the rack 45. The purpose of this is to prevent moisture from entering and ensure the dryness and safety of the fiber optic connector.

[0035] In some examples, a compression spring 48 is fixedly connected inside the sealing arc plate 47, and a sealing arc block 49 is fixedly connected to one end of the compression spring 48 away from the inside of the sealing arc plate 47. The purpose of this is to seal the optical cable surface by means of the sealing arc block 49 through the compression spring 48.

[0036] Both the upper junction box 1 and the lower junction box 2 have an inlay groove 410 inside. A sealing strip 412 is inserted into the inlay groove 410. A sealing sleeve 413 is fixedly connected to the side of the sealing strip 412. The purpose is to improve the waterproof effect through multiple seals.

[0037] A turning handle 414 is fixedly connected to the circumferential surface of the control shaft 42, and an anti-slip strip 415 is fixedly connected to the circumferential surface of the turning handle 414. The initial state of the compression spring 48 is relaxed, which is to ensure that the operator can rotate the control shaft 42 stably.

[0038] The circumferential surface of gear 43 meshes with the side of rack 45. The number of waterproof boxes 41, gears 43 and turning handles 414 is set to four, in pairs, and symmetrical to each other along the vertical central axis of the lower connector box 2. The purpose is to ensure that the rotation of gear 43 can drive rack 45 to move, and to waterproof each inlet through multiple waterproof boxes 41.

[0039] For example, such as Figures 1-5 As shown, when splicing the optical cable, the operator inserts the optical cable into the waterproof box 41 and into the lower splice box 2. The sealing strip 412 and sealing sleeve 413 are installed into the inlay groove 410, and the splice is completed through the fiber optic distribution frame 3. Then, the upper splice box 1 and the lower splice box 2 are installed. At this time, the operator rotates the handle 414 stably by rotating the anti-slip strip 415, which causes the control shaft 42 to rotate. The rotation of the control shaft 42 drives the gear 43 to rotate. Through the meshing of the gear 43 and the rack 45, the gear 43 rotates and drives the rack 45 to move inside the slide groove 44. The movement of the rack 45 drives the arc connecting rod 46 to move. The movement of the arc connecting rod 46 drives the sealing arc plate 47 to move. The movement of the sealing arc plate 47 causes it to contact and seal with the surface of the optical cable through another sealing arc plate 47, so that the two sealing arc plates 47 overlap. At the same time, the sealing arc block 49 is in close contact with the surface of the optical cable through the compression spring 48. Through the overlap of multiple sealing arc blocks 49 into a complete circle, the splice box is sealed and waterproofed in multiple ways.

[0040] like Figures 1-5 As shown, this invention illustrates a waterproof optical cable junction box in another embodiment of the present invention. It is largely the same as the above-described technical solution, so only the differences are described. It includes a locking mechanism 5, which includes a mounting plate 51. The mounting plate 51 is fixedly inserted through the circumferential surface of the control shaft 42. A ratchet block 52 is fixedly connected to the circumferential surface of the mounting plate 51. A support shaft 53 is rotatably connected inside the waterproof box 41. A locking pawl 54 is fixedly connected to the circumferential surface of the support shaft 53. The purpose of this is to lock the sealed optical cable and prevent the control shaft 42 from rotating.

[0041] In some examples, a torsion spring 55 is fixedly connected to the inner wall of the waterproof box 41. The end of the torsion spring 55 away from the inner wall of the waterproof box 41 is fixedly connected to the circumferential surface of the support shaft 53. The purpose is to ensure that the support shaft 53 can automatically reset and reduce manual intervention.

[0042] A push rod 56 is slidably connected through the side of the waterproof box 41. A limit plate 57 is fixedly connected to the circumferential surface of the push rod 56. The torsion spring 55 is initially in a relaxed state. Its purpose is to release the lock pawl 54 from the displacement trajectory of the pawl block 52 by pushing the push rod 56.

[0043] A reset spring 58 is fixedly connected to the side of the limiting plate 57. The end of the reset spring 58 away from the side of the limiting plate 57 is fixedly connected to the inner wall of the waterproof box 41. The initial state of the reset spring 58 is a relaxed state, which is to ensure that the push rod 56 can automatically reset after use.

[0044] The number of ratchet blocks 52 is set to several and arranged in a circumferential array along the circumference of the mounting plate 51. The side of the locking pawl 54 is located on the displacement trajectory of the ratchet blocks 52 and the push rod 56. The purpose is to enable accurate locking through multiple ratchet blocks 52, while ensuring that the rotation of the ratchet blocks 52 can push the locking pawl 54, and the movement of the push rod 56 can push the locking pawl 54.

[0045] For example, such as Figures 1-5 As shown, when the control shaft 42 rotates, it drives the mounting plate 51 to rotate. The rotation of the mounting plate 51 drives the ratchet block 52 to rotate. During the rotation of the ratchet block 52, the arc surface contacts and pushes the side of the locking pawl 54, causing the locking pawl 54 to rotate through the support shaft 53. When the ratchet block 52 continues to rotate and the arc surface leaves the side of the locking pawl 54, the support shaft 53 automatically resets through the elasticity of the torsion spring 55. After resetting, the locking pawl 54 contacts the right-angle surface of the ratchet block 52, locking the mounting plate 51. When it is necessary to disassemble the optical cable, the operator presses the push rod 56, causing the push rod 56 to move on the side of the waterproof box 41. The movement of the push rod 56 pushes the locking pawl 54, causing the side of the locking pawl 54 to leave the right-angle surface of the ratchet block 52, thus locking the mounting plate 51.

[0046] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A waterproof optical cable junction box, characterized in that, It includes an upper junction box (1) and a lower junction box (2). The bottom of the upper junction box (1) is located at the top of the lower junction box (2). An optical fiber distribution frame (3) is fixedly connected inside the lower junction box (2). A waterproof mechanism (4) is provided at the entrance of the lower junction box (2). The waterproof mechanism (4) includes a waterproof box (41), which is fixedly connected to the entrance of the lower junction box (2). A control shaft (42) is rotatably connected through the circumference of the waterproof box (41). A gear (43) is fixedly connected through the circumference of the control shaft (42). A sliding groove (44) is provided inside the waterproof box (41). A rack (45) is slidably connected inside the sliding groove (44). An arc-shaped connecting rod (46) is fixedly connected to the side of the rack (45). A sealing arc plate (47) is fixedly connected to the end of the arc-shaped connecting rod (46) away from the side of the rack (45).

2. The waterproof optical cable junction box according to claim 1, characterized in that, A compression spring (48) is fixedly connected inside the sealing arc plate (47), and a sealing arc block (49) is fixedly connected to one end of the compression spring (48) away from the inside of the sealing arc plate (47).

3. A waterproof optical cable junction box according to claim 2, characterized in that, Both the upper connector box (1) and the lower connector box (2) have an inlay groove (410) inside. A sealing strip (412) is inserted into the inlay groove (410), and a sealing sleeve (413) is fixedly connected to the side of the sealing strip (412).

4. A waterproof optical cable junction box according to claim 3, characterized in that, The control shaft (42) is fixedly connected to a rotating handle (414) on its circumference, and the rotating handle (414) is fixedly connected to an anti-slip strip (415) on its circumference. The initial state of the compression spring (48) is a relaxed state.

5. A waterproof optical cable junction box according to claim 4, characterized in that, The circumferential surface of the gear (43) meshes with the side surface of the rack (45). The number of the waterproof box (41), gear (43) and rotating handle (414) is set to four, in pairs, and symmetrical to each other along the vertical central axis of the lower connector box (2).

6. A waterproof optical cable junction box according to claim 5, characterized in that, The waterproof box (41) is provided with a locking mechanism (5), which includes a mounting plate (51) that is fixedly inserted through the circumferential surface of the control shaft (42). A ratchet block (52) is fixedly connected to the circumferential surface of the mounting plate (51). A support shaft (53) is rotatably connected inside the waterproof box (41), and a locking pawl (54) is fixedly connected to the circumferential surface of the support shaft (53).

7. A waterproof optical cable junction box according to claim 6, characterized in that, A torsion spring (55) is fixedly connected to the inner wall of the waterproof box (41), and one end of the torsion spring (55) away from the inner wall of the waterproof box (41) is fixedly connected to the circumferential surface of the support shaft (53).

8. A waterproof optical cable junction box according to claim 7, characterized in that, A push rod (56) is slidably connected through the side of the waterproof box (41), and a limit plate (57) is fixedly connected to the circumferential surface of the push rod (56). The torsion spring (55) is initially in a relaxed state.

9. A waterproof optical cable junction box according to claim 8, characterized in that, A reset spring (58) is fixedly connected to the side of the limiting plate (57). The end of the reset spring (58) away from the side of the limiting plate (57) is fixedly connected to the inner wall of the waterproof box (41). The initial state of the reset spring (58) is a relaxed state.

10. A waterproof optical cable junction box according to claim 9, characterized in that, The number of the ratchet blocks (52) is set to several, and they are arranged in a circumferential array along the circumferential surface of the mounting plate (51). The side of the locking pawl (54) is located on the displacement trajectory of the ratchet blocks (52) and the push rod (56).

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