Outdoor connector box with waterproof function
By introducing a sealing and locking mechanism into the optical cable joint box, the sliding rod and locking screw are used to achieve tight compression of the sealing pad, which solves the problem of poor waterproofing effect of the optical cable joint box and improves the transmission stability of the optical cable.
Patent Information
- Application Number
- CN202422130008.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-31
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-08-31
AI Technical Summary
After long-term use of existing optical cable connector boxes, external dust and moisture are easily entered, affecting the transmission effect of optical cables and poor waterproofing effect.
An outdoor joint box is designed, including a sealing mechanism and a locking mechanism. Through the cooperation of the sealing rubber gasket, annular bumps, sliding groove body and compression ring plate, the threaded connection between the sliding rod and the locking screw is achieved to tightly tighten the sealing rubber gasket and prevent moisture from entering.
Effectively prevent moisture from entering the interior of the joint box, improve the waterproof effect of the optical cable transmission and ensure stable transmission of the optical cable.
Smart Images

Figure CN223193179U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of optical fibers, in particular to an outdoor junction box with a waterproof function. Background Art
[0002] A fiber optic splice closure, also known as a splice box, splice package, or barrel, is a mechanical pressure-sealed splice system that provides optical, sealing, and mechanical continuity between adjacent optical cables. It is primarily used for direct and branch connections in various optical cable installation methods, including overhead, duct, and direct burial.
[0003] After long-term use, dust and moisture from the outside may enter the existing optical cable junction box, thereby affecting the transmission effect of the optical cable and causing poor waterproof effect. Therefore, we propose an outdoor waterproof junction box to solve this problem. Utility Model Content
[0004] The purpose of the present utility model is to provide an outdoor junction box with waterproof function to solve the problems raised in the above background technology.
[0005] To achieve the above object, the present invention provides the following technical solution: a waterproof junction box for outdoor use, comprising a mounting cap box, a wire passing base provided directly below the mounting cap box, a wire winding box body fixed to the upper end surface of the wire passing base, and further comprising:
[0006] A sealing mechanism is provided inside the mounting hat box and is used to seal the mounting hat box;
[0007] The locking mechanism is arranged on the lower end surface of the wire-passing base and is used to lock and limit the sealing mechanism.
[0008] Preferably, waterproof connectors are symmetrically distributed and fixed on the bottom of the mounting hat box, and the optical fiber harness can pass through the waterproof connectors and extend to the interior of the mounting hat box.
[0009] Preferably, a mounting hole is provided through the center of the bottom of the mounting hat box, a linear bearing is passed through the interior of the mounting hole, and the linear bearing is fixed at the center of the lower end surface of the wire base, a sealing ring is fixed at the upper end of the interior of the mounting hole, a sliding rod is passed through the interior of the linear bearing, and the outer wall of the sliding rod is in contact with the sealing ring, and mounting threaded holes are provided at the center of the upper and lower ends of the sliding rod.
[0010] Preferably, the sealing mechanism includes a sealing gasket, an annular protrusion, a sliding groove body, and a clamping ring plate. The sealing gasket is fixed to the upper end face of the wire base, the annular protrusion is fixed to the lower end of the inner wall of the mounting hat box, and the sealing gasket can contact the upper end face of the annular protrusion. The sliding groove body is symmetrically distributed and opened on the inner wall of the mounting hat box. The clamping ring plate is slidably clamped inside the sliding groove body, and the lower end face of the clamping ring plate is in contact with the sealing gasket. The clamping ring plate can be threadedly connected to the inside of the mounting threaded hole opened at the top of the sliding rod.
[0011] Preferably, the locking mechanism includes a movable plate body, a locking hole body, a locking screw, and a nut. The locking screw is symmetrically rotated and connected to the lower end face of the wire base. The movable plate body is threadedly connected to the outside of the locking screw. The locking hole body is through-opened in the center position of the lower end face of the movable plate body. The nut is threadedly connected to the outside of the locking screw, and the upper end face of the nut is in contact with the movable plate body.
[0012] Preferably, a mounting sheet metal is fixed to the lower end of the outer wall of the mounting hat box, and fixing holes are evenly distributed on the mounting sheet metal.
[0013] Preferably, a through hole is provided at the bottom edge of the wire-passing base.
[0014] Compared with the prior art, the beneficial effect of the present invention is as follows: after the optical fiber is hot-melt connected, the slide rod can be slid through the inside of the linear bearing, and then the slide rod is rotated to thread the clamping ring plate into the inside of the top mounting threaded hole, so that the slide rod is connected to the clamping ring plate, and then the screw is passed through the locking hole body to thread it into the mounting threaded hole at the bottom, and the movable plate body can be driven up and down by rotating the locking screws on both sides at the same time, and the movable plate body can drive the slide rod to move up and down, and then the slide rod can pull the clamping ring plate downward, and the clamping ring plate can tightly press the sealing gasket against the upper end surface of the annular protrusion, which can prevent water from entering the interior of the mounting hat box and affecting the transmission of the optical cable, and the waterproof effect is better. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic top view of the overall structure of the utility model;
[0016] Figure 2 This is a bottom view schematic diagram of the sealing mechanism of the utility model;
[0017] Figure 3 This is a top view of the wire-passing base of the utility model;
[0018] Figure 4 This is a bottom view of the wire-passing base of the utility model;
[0019] Figure 5 It is a schematic cross-sectional view of the utility model;
[0020] Figure 6 This is a top view of the compression ring plate of the utility model;
[0021] Figure 7 This is a top view of the sealing gasket of the present invention.
[0022] In the figure: 1. Install the hat box; 2. Wire passing base; 3. Install the sheet metal; 4. Sealing ring; 5. Sliding rod; 6. Install the threaded hole; 7. Wire winding box body; 8. Sealing pad; 9. Waterproof joint; 10. Linear bearing; 11. Moving plate body; 12. Locking hole body; 13. Locking screw; 14. Nut; 15. Annular bump; 16. Sliding groove body; 17. Pressing ring plate; 18. Installing hole body; 19. Through hole. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0024] See also Figure 1-7 The utility model provides a waterproof junction box for outdoor use, comprising a mounting cap box 1, a wire passing base 2 provided directly below the mounting cap box 1, a wire winding box body 7 fixed to the upper end surface of the wire passing base 2, and further comprising:
[0025] The provided wire-passing base 2 can be slidably embedded in the interior of the mounting hat box 1. The bottom of the mounting hat box 1 is symmetrically distributed with waterproof connectors 9, and the optical fiber harness can pass through the waterproof connector 9 and extend to the interior of the mounting hat box 1. The provided waterproof connector 9 adopts a waterproof connector 9 shown in patent number 202010361631.1, which has a good waterproof effect. The optical cable harness can be manually passed through the waterproof connector 9 and the end cover can be tightened to completely fix the optical cable harness. Then, the optical cable harness is hot-melt-jointed, and the joined Guanlan harness is stored and placed in the interior of the winding box body 7 for subsequent sealing. A through hole 19 is provided at the bottom edge of the wire-passing base 2, and a screw can be used to pass through the through hole 19. The nut is threaded on the other end of the screw to lock the wire-passing base 2 and the mounting hat box 1.
[0026] A mounting hole 18 is provided at the central position of the bottom of the mounting hat box 1, a linear bearing 10 is passed through the interior of the mounting hole 18, and the linear bearing 10 is fixed to the central position of the lower end surface of the wire base 2, a sealing ring 4 is fixed to the upper end of the interior of the mounting hole 18, a sliding rod 5 is passed through the interior of the linear bearing 10 for sliding, and the outer wall of the sliding rod 5 is in contact with the sealing ring 4, and mounting threaded holes 6 are provided at the central positions of the upper and lower ends of the sliding rod 5, the sealing ring 4 is in contact with the outer wall of the sliding rod 5, and can prevent moisture from penetrating from the outer wall of the sliding rod 5, and the linear bearing 10 can be fixed inside the mounting hole 18, and the linear bearing 10 can limit the sliding direction of the sliding rod 5;
[0027] The sealing mechanism is arranged inside the installation hat box 1 and is used to seal the installation hat box 1. The sealing mechanism includes a sealing gasket 8, an annular protrusion 15, a sliding groove body 16, and a clamping ring plate 17. The sealing gasket 8 is fixed to the upper end surface of the wire base 2, and the annular protrusion 15 is fixed to the lower end of the inner wall of the installation hat box 1, and the sealing gasket 8 can contact the upper end surface of the annular protrusion 15. The sliding groove body 16 is symmetrically distributed and opened on the inner wall of the installation hat box 1. The clamping ring plate 17 is slidably clamped in the interior of the sliding groove body 16, and the lower end surface of the clamping ring plate 17 is in contact with the sealing gasket 8. The clamping ring plate 17 can be threadedly connected to the inside of the mounting threaded hole 6 opened at the top of the sliding rod 5. The bottom of the sealing gasket 8 has an elastic folding function. The sliding grooves 16 are symmetrically distributed and opened on the inner wall of the mounting hat box 1. The clamping ring plate 17 is slidably clamped in the interior of the sliding grooves 16, and the lower end surface of the clamping ring plate 17 is in contact with the sealing gasket 8. The provided clamping ring plate 17 can move up and down along the linear direction of the sliding grooves 16, and can press the sealing gasket ring on the top of the sealing gasket 8 downwardly against the upper end surface of the annular protrusion 15, thereby preventing water from entering the interior of the mounting hat box 1;
[0028] The locking mechanism is arranged on the lower end surface of the wire-passing base 2, and is used to lock and limit the sealing mechanism. The locking mechanism includes a movable plate body 11, a locking hole body 12, a locking screw 13, and a nut 14. The locking screw 13 is symmetrically rotated and connected to the lower end surface of the wire-passing base 2. The movable plate body 11 is threadedly connected to the outside of the locking screw 13. The locking hole body 12 is through-opened at the center position of the lower end surface of the movable plate body 11. The nut 14 is threadedly connected to the outside of the locking screw 13, and the upper end surface of the nut 14 is in contact with the movable plate body 11. After the optical fiber is hot-melt connected, the slide rod 5 can be slid through the inside of the linear bearing 10, and then the slide rod 5 is rotated to thread the clamping ring plate 17 to the inside of the top mounting threaded hole 6, so that the slide rod 5 is connected to the clamping ring plate 17 The screw is then passed through the locking hole 12 to be threadedly connected with the mounting threaded hole 6 at the bottom. By simultaneously rotating the locking screws 13 on both sides, the movable plate 11 can be driven to move up and down, and the movable plate 11 can drive the slide bar 5 to move up and down, and then the slide bar 5 can pull the clamping ring plate 17 to move downward, and the clamping ring plate 17 can tightly press the sealing gasket 8 on the upper end surface of the annular protrusion 15 to prevent water from entering the interior of the installation hat box 1 and affecting the transmission of the optical cable. The provided nut 14 can limit the locking screw 13 to prevent the locking screw 13 from rotating. The lower end of the outer wall of the installation hat box 1 is fixed with a mounting sheet metal 3, and fixing holes are evenly distributed on the installation sheet metal 3. The provided installation sheet metal 3 can facilitate manual use of screws to fix the installation hat box 1 to the wall;
[0029] Working principle: First, the wire-passing base 2 is slidably embedded in the interior of the mounting hat box 1. The bottom of the mounting hat box 1 is symmetrically fixed with waterproof connectors 9, and the optical fiber harness can pass through the waterproof connector 9 and extend to the interior of the mounting hat box 1. The waterproof connector 9 is a waterproof connector 9 shown in patent number 202010361631.1, which has a good waterproof effect. The optical cable harness can be passed through the waterproof connector 9 manually and the end cover can be tightened to completely fix the optical cable harness. Then, the optical cable harness is hot-melt-jointed, and the joined Guanlan harness is stored in the interior of the winding box body 7 for subsequent sealing. A through hole 19 is provided at the bottom edge of the wire-passing base 2, and a screw can be used to pass through the through hole 19. The nut is threaded on the other end of the screw to lock the wire-passing base 2 and the mounting hat box 1.
[0030] When in use, after the optical fiber is hot-melt connected, the slide rod 5 can be slid through the inside of the linear bearing 10, and then the slide rod 5 can be rotated to thread the compression ring plate 17 into the inside of the top mounting threaded hole 6, so that the slide rod 5 is connected to the compression ring plate 17, and then the screw is passed through the locking hole body 12 to be threadedly connected with the mounting threaded hole 6 at the bottom. By simultaneously rotating the locking screws 13 on both sides, the movable plate body 11 can be driven to move up and down, and the movable plate body 11 can drive the slide rod 5 to move up and down, and then the slide rod 5 can pull the compression ring plate 17 to move downward, and the compression ring plate 17 can press the sealing gasket 8 tightly against the upper end surface of the annular protrusion 15, which can prevent water from entering the interior of the installation hat box 1 and affecting the optical cable transmission, and the waterproof effect is better.
[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A waterproof junction box for outdoor use, comprising a mounting cap box (1), a wire passing base (2) provided directly below the mounting cap box (1), and a wire winding box body (7) fixed to the upper end surface of the wire passing base (2), characterized in that: described A sealing mechanism is provided inside the mounting hat box (1) and is used to seal the mounting hat box (1); The locking mechanism is arranged on the lower end surface of the wire-passing base (2) and is used to lock and limit the sealing mechanism.
2. The outdoor waterproof junction box according to claim 1, characterized in that: Waterproof connectors (9) are symmetrically distributed and fixed on the bottom of the mounting hat box (1), and the optical fiber harness can pass through the waterproof connector (9) and extend to the interior of the mounting hat box (1).
3. The outdoor waterproof junction box according to claim 1, characterized in that: A mounting hole (18) is provided at the central position of the bottom of the mounting cap box (1), a linear bearing (10) is provided inside the mounting hole (18), and the linear bearing (10) is fixed at the central position of the lower end surface of the wire base (2), a sealing ring (4) is fixed at the upper end of the mounting hole (18), a sliding rod (5) is provided inside the linear bearing (10) for sliding, and the outer wall of the sliding rod (5) is in contact with the sealing ring (4), and mounting threaded holes (6) are provided at the central positions of the upper and lower ends of the sliding rod (5).
4. The outdoor waterproof junction box according to claim 3, characterized in that: The sealing mechanism comprises a sealing pad (8), an annular protrusion (15), a sliding groove body (16), and a clamping ring plate (17). The sealing pad (8) is fixed to the upper end surface of the wire base (2), the annular protrusion (15) is fixed to the lower end of the inner wall of the mounting cap box (1), and the sealing pad (8) can contact the upper end surface of the annular protrusion (15). The sliding groove body (16) is symmetrically distributed and opened on the inner wall of the mounting cap box (1). The clamping ring plate (17) is slidably clamped in the interior of the sliding groove body (16), and the lower end surface of the clamping ring plate (17) is in contact with the sealing pad (8). The clamping ring plate (17) can be threadedly connected to the interior of the mounting threaded hole (6) opened on the top of the slide rod (5).
5. The outdoor waterproof junction box according to claim 1, characterized in that: The locking mechanism comprises a movable plate body (11), a locking hole body (12), a locking screw (13), and a nut (14); the locking screw (13) is symmetrically connected to the lower end surface of the wire-passing base (2); the movable plate body (11) is threadedly connected to the outside of the locking screw (13); the locking hole body (12) is through-opened at the center position of the lower end surface of the movable plate body (11); the nut (14) is threadedly connected to the outside of the locking screw (13), and the upper end surface of the nut (14) is in contact with the movable plate body (11).
6. The outdoor waterproof junction box according to claim 1, characterized in that: A mounting sheet metal (3) is fixed to the lower end of the outer wall of the mounting hat box (1), and fixing holes are evenly distributed on the mounting sheet metal (3).
7. The outdoor waterproof junction box according to claim 1, characterized in that: A through hole (19) is provided at the bottom edge of the wire-passing base (2).
Citation Information
Patent Citations
Waterproof connector
CN113594755A