A new double-sealed reinforced joint box

Abstract

The utility model discloses a novel double -sealed reinforced joint box of optical cable joint box device technical field, including joint box cap body and the base that is connected in the lower part of cap body, and the base is fixedly connected with the fiber storage disc through the support, and the fiber storage disc is equipped with the clamping base, and the fixed heat shrink tube surface between adjacent clamping base is equipped with gland, and the base surface is installed with the sealing washer, and the sealing ring is equipped between sealing washer and the outer wall of installation platform, the main cable clamp board is fixedly connected with the base below, and one side of main cable clamp board is connected S type clamping block, and the other side is connected secondary cable clamp board. The cap body and the base between the device adopt double -sealed, and the cap body bottom edge can completely cover the periphery of sealing washer, can make sealing washer exempt from ultraviolet radiation and the erosion of rain and snow, effectively improve sealing washer service life, when installing, use bolt connection and by sealing washer middle -pass, can provide even pressure, and sealing washer is stressed evenly, improves the sealing performance, effectively guarantees the stability of the optical cable in cap body, is suitable for the use in optical cable connection device.

Description

Technical Field

[0001] This utility model relates to the technical field of optical cable junction box devices, and in particular to a novel double-sealed reinforced junction box. Background Technology

[0002] Optical fiber cable is a type of communication cable widely used in power transmission lines of different voltage levels as the transmission carrier of optical communication systems. Junction boxes are commonly used in the straight-through or branch connections of various optical fiber cable laying methods, such as aerial, duct, and direct burial, to provide continuous optical, sealing, and mechanical strength protection between adjacent optical fibers. Most existing junction boxes use only one seal, supplemented by a mechanical connection seal. Gaps inevitably remain at the connection between the cap and the base, making them susceptible to rainwater erosion and reduced sealing performance. Furthermore, under long-term operation, the junction box is constantly vibrating due to wind and other factors, posing a risk of internal components falling off and being damaged, which is detrimental to the stability of the optical fiber splice. Utility Model Content

[0003] The purpose of this invention is to provide a novel double-sealed reinforced junction box, which improves the sealing performance of the junction box, enhances the overall strength of the junction box, and strengthens its installation stability, ensuring a secure optical cable connection and stable transmission performance.

[0004] The purpose of this utility model is achieved as follows: A novel double-sealed reinforced connector box includes a connector box cap and a base connected to the lower part of the cap. A fiber storage tray is fixedly connected to the mounting platform of the base via a bracket. The fiber storage tray is provided with several card seats. The surface of the fixed heat shrink tubing between adjacent card seats is provided with a pressure cap. The base is provided with a positioning hole. A sealing gasket is installed on the surface of the base. The bottom of the sealing gasket is provided with a positioning post that matches the positioning hole. A sealing ring is also provided between the sealing gasket and the outer wall of the mounting platform. A main cable clamping plate is fixedly connected to the bottom of the base. An S-shaped clamping block is fixedly connected to one side of the main cable clamping plate, and a secondary cable clamping plate is fixedly connected to the other side.

[0005] The connector box of this invention employs a double seal between the cap and the base. A sealing gasket is added around the existing sealing ring, and the bottom edge of the cap can completely cover the outer edge of the sealing gasket, protecting the sealing gasket from ultraviolet radiation and rain and snow erosion, effectively improving the service life of the sealing gasket. During installation, bolts are used to connect the cap and the base and pass through the middle of the sealing gasket, which can provide uniform downward pressure, ensure that the sealing gasket is subjected to uniform force, improve sealing performance, and effectively guarantee the stability of the optical cable inside the cap.

[0006] Compared with the prior art, the beneficial effects of this utility model are as follows: First, the junction box cap and base are fixed with four M8 bolts, which is more stable and firm than the steel strip fixing method, and the number of bolts is reduced, improving the convenience of installation; Second, the heat shrink tubing fixing position on the fiber storage tray is equipped with a pressure cap, which can effectively prevent the heat shrink tubing from falling off due to wind vibration, improving the installation stability of the junction box; Third, the S-shaped clamp block is square and can be rotated 90° for installation, making it easy to adapt to different tower types and improving the applicability of the junction box; Fourth, the fiber storage tray is vertically installed inside the cap, and the fixing bracket of the fiber storage tray expands the installation and testing space by setting a bending section, which facilitates construction operations, and the overall thickness of the bracket is increased, which helps to improve the stability of the bracket and the fiber storage tray, and avoids the impact of bracket vibration on optical cable splicing.

[0007] Furthermore, a dovetail groove is provided on the side where the main cable clamp plate connects with the S-shaped clamp block, and a limiting block is provided at the bottom of the dovetail groove. The side of the S-shaped clamp block is provided with a locking block that matches the dovetail groove. During installation, the locking block and the dovetail groove are interlocked, so that the S-shaped clamp block and the main cable clamp plate are installed firmly. The limiting block prevents the S-shaped clamp block from coming out of the dovetail groove of the main cable clamp plate, thereby improving the reliability of installation.

[0008] Furthermore, the clamping block is square, and the S-shaped clamping block has multiple fixing bolts on the side opposite to the clamping block; the square clamping block can be rotated 90° to install to adapt to different tower types, and the multiple fixing bolts help to improve the overall stability and strength of the junction box installation.

[0009] Furthermore, a main cable clamping plate pressure plate and a filler plate are provided between the main cable clamping plate and the secondary cable clamping plate. The main cable clamping plate pressure plate is fixedly disposed on the surface of the main cable clamping plate, and the secondary cable clamping plate pressure plate is fixedly connected to the surface of the secondary cable clamping plate.

[0010] Furthermore, the bracket includes a horizontal fixed end fixedly connected to the surface of the mounting platform, a bent section, and a vertical connecting section for mounting the fiber storage tray. The bent section of the bracket forms a 65° angle with the horizontal direction. The horizontal fixed end of the bracket is fixed to the surface of the mounting platform by bolts, and then extends vertically upward into the cap body after the bent section. The bent section on the bracket provides sufficient space for installation and testing, resulting in a large operating space and improved installation and testing efficiency. The base has a vertical cable inlet near the fiber optic cable entrance of the fiber storage tray, which helps to reduce the bending curvature of the optical cable when entering the junction box and reduces the possibility of fiber attenuation.

[0011] Furthermore, the bracket is made of galvanized steel plate with a thickness of 1.5mm, which helps to improve the support strength of the bracket and avoid the impact of bracket vibration on the optical cable splicing.

[0012] Furthermore, the lower port of the cap body is bent outward at 90° to form a connection port. The connection port can completely cover the outer periphery of the sealing gasket on the base, which can protect the sealing gasket from ultraviolet radiation and rain and snow erosion, effectively improving the service life of the sealing gasket. During installation, the connection port is pressed against the surface of the base and the cap body and the base are sealed and fixedly connected by four M8 bolts, improving the sealing performance of the junction box and effectively ensuring the stability of the optical cable inside the cap body.

[0013] Furthermore, the cap body is 3mm thick, which improves the overall structural strength and stability of the connector box.

[0014] Furthermore, both the sealing gasket and the sealing ring are made of silicone rubber. Silicone rubber has good temperature resistance, high long-term stability, and excellent softness and elasticity. The contact seal can effectively prevent liquid from penetrating into the cap and damaging internal components such as optical cables, resulting in a good sealing effect. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the junction box of this utility model.

[0016] Figure 2 This is a schematic diagram of the internal structure of the junction box of this utility model.

[0017] Figure 3 for Figure 2 A magnified structural diagram of part A in the middle.

[0018] Figure 4 This is a schematic diagram of the S-shaped clamping block of the junction box of this utility model.

[0019] Figure 5 This is a schematic diagram of the main cable clamping plate of the junction box of this utility model.

[0020] In the diagram above, 1 is the cap body, 2 is the connection port, 3 is the base, 4 is the bracket, 5 is the main cable clamping plate, 6 is the S-shaped clamping block, 7 is the main cable clamping plate pressure plate, 8 is the filling plate, 9 is the secondary cable clamping plate, 10 is the secondary cable clamping plate pressure plate, 11 is the limiting block, 12 is the locking block, 13 is the fiber storage tray, 14 is the card seat, 15 is the pressure cap, 16 is the sealing ring, 17 is the sealing gasket, 18 is the mounting platform, 19 is the dovetail groove, 20 is the fixing bolt, 21 is the horizontal fixing end, 22 is the bending section, and 23 is the vertical connecting section. Detailed Implementation

[0021] like Figures 1-5The novel double-sealed reinforced connector box shown includes a connector box cap 1 and a base 3 connected to the lower part of the cap 1. A fiber storage tray 13 is fixedly connected to the mounting platform 18 of the base 3 via a bracket 4. The fiber storage tray 13 is provided with several card seats 14. The surface of the fixed heat shrink tubing between adjacent card seats 14 is provided with a pressure cap 15. The base 3 is provided with positioning holes. A sealing gasket 17 is installed on the surface of the base 3. The bottom of the sealing gasket 17 is provided with a positioning post that matches the positioning hole. A sealing ring 16 is also provided between the sealing gasket 17 and the outer wall of the mounting platform 18. A main cable clamping plate 5 is fixedly connected to the bottom of the base 3. An S-shaped clamping block 6 is fixedly connected to one side of the main cable clamping plate 5, and a secondary cable clamping plate 9 is fixedly connected to the other side.

[0022] A dovetail groove 19 is provided on the side where the main cable clamp plate 5 connects with the S-shaped clamp block 6. A limiting block 11 is provided at the bottom of the dovetail groove 19. A locking block 12 matching the dovetail groove 19 is provided on the side of the S-shaped clamp block 6. During installation, the locking block 12 and the dovetail groove 19 are interlocked, so that the S-shaped clamp block 6 and the main cable clamp plate 5 are installed firmly. The limiting block 11 prevents the S-shaped clamp block 6 from coming out of the dovetail groove 19 of the main cable clamp plate 5, thereby improving the reliability of installation.

[0023] The clamping block 12 is square, and the S-shaped clamping block 6 has multiple fixing bolts 20 on the opposite side of the clamping block 12. The square clamping block 12 can be rotated 90° to fit different tower types. The multiple fixing bolts 20 help to improve the overall stability and strength of the junction box installation.

[0024] A main cable clamping plate pressure plate 7 and a filler plate 8 are provided between the main cable clamping plate 5 and the secondary cable clamping plate 9. The main cable clamping plate pressure plate 7 is fixedly installed on the surface of the main cable clamping plate 5, and the secondary cable clamping plate pressure plate 10 is fixedly connected to the surface of the secondary cable clamping plate 9.

[0025] The bracket 4 includes a horizontal fixed end 21, a bent section 22, and a vertical connecting section 23 for mounting the fiber storage tray 13, which are fixedly connected to the surface of the mounting platform 18. The bent section 22 has an angle of 65° with the horizontal direction. The horizontal fixed end 21 is fixed to the surface of the mounting platform 18 by bolts and extends vertically upward through the bent section 22 into the cap body 1. The base 3 has a vertical cable inlet corresponding to the position of the fiber optic inlet of the fiber storage tray 13. The setting of the bent section 22 on the bracket 4 provides sufficient space for the installation and testing of the cap body 1, with a large operating space, which improves the efficiency of installation and testing.

[0026] The bracket 4 is made of galvanized steel plate with a thickness of 1.5mm, which helps to improve the support strength of the bracket 4 and prevent the vibration of the bracket 4 from affecting the optical cable splicing.

[0027] The lower end of the cap body 1 is bent outward at 90° to form the connection port 2. The connection port 2 can completely cover the outer periphery of the sealing gasket 17 on the base 3, which can protect the sealing gasket 17 from ultraviolet radiation and rain and snow corrosion, effectively improving the service life of the sealing gasket 17. During installation, the connection port 2 is pressed onto the surface of the base 3 and the cap body 1 and the base 3 are sealed and fixedly connected by four M8 bolts, improving the sealing performance of the junction box and effectively ensuring the stability of the optical cable inside the cap body 1.

[0028] The cap body 1 is 3mm thick, which improves the overall structural strength and stability of the connector box.

[0029] Both the sealing gasket 17 and the sealing ring 16 are made of silicone rubber. Silicone rubber has good temperature resistance, high long-term stability, and good softness and elasticity. Contact sealing can effectively prevent liquid from penetrating into the cap and damaging internal optical cables and other components, resulting in a good sealing effect.

[0030] During installation, the junction box of this utility model is assembled by inserting the locking block 12 on the S-shaped clamping block 6 into the dovetail groove 19 on the main cable clamping plate 5, and then fixing it with bolts. The main cable clamping plate 5 is also connected and fixed with a main cable clamping plate pressure plate 7, a secondary cable clamping plate 9, and a secondary cable clamping plate pressure plate 10. A fiber optic access channel is formed between the main cable clamping plate 5 and the main cable clamping plate pressure plate 7, and between the secondary cable clamping plate 9 and the secondary cable clamping plate pressure plate 10. The top of the main cable clamping plate 5 is fixedly connected to the base 3 with bolts. A bracket 4 is fixedly connected to the mounting platform 18 on the surface of the base 3. A fiber storage tray 13 is connected to the upper part of the bracket 4. A cap 1 is provided on the upper part of the base 3, and a double seal is adopted between the cap 1 and the base 3. A sealing gasket 17 is added around the existing sealing ring, and the bottom edge of the cap 3 can completely cover the outer edge of the sealing gasket 17, which can protect the sealing gasket 17 from ultraviolet radiation and rain and snow corrosion, effectively improving the service life of the sealing gasket 17. The device uses four M8 bolts to connect the cap body 1 and the base 3, passing through the center of the sealing gasket 17. This provides uniform downward pressure, which is more stable and secure than the steel strip fixing method. It ensures uniform force on the sealing gasket, creating an airtight and watertight environment, improving sealing performance, and effectively guaranteeing the stability of the optical cable inside the cap body 1. The number of bolts is reduced, improving installation convenience. The device has a pressure cap 15 on the fiber storage tray 13 to fix the heat shrink tubing, which can effectively prevent the heat shrink tubing from falling off due to wind vibration, improving the installation stability of the junction box. The fiber storage tray 13 is vertically installed inside the cap body 1. The bracket 4 of the fiber storage tray 13 has a bend section 22 to expand the installation and testing space, facilitating construction operations. The increased overall thickness of the bracket 4 helps to improve the stability of the bracket 4 and prevents the vibration of the bracket 4 from affecting the optical cable splicing. This ensures that the internal optical cable splice can work stably and with low loss for a long time.

[0031] This utility model is not limited to the above embodiments. Based on the technical solutions disclosed in this utility model, those skilled in the art can make some substitutions and modifications to some of the technical features without creative labor, and these substitutions and modifications are all within the protection scope of this utility model.

Claims

1. A new dual seal reinforced splice closure characterized by: The device includes a connector box cap and a base connected to the lower part of the cap. A fiber storage tray is fixedly connected to the mounting platform of the base via a bracket. The fiber storage tray has several card slots. The surface of the heat shrink tubing between adjacent card slots is provided with a pressure cap. The base has positioning holes. A sealing gasket is installed on the surface of the base. The bottom of the sealing gasket has a positioning post that matches the positioning hole. A sealing ring is also provided between the sealing gasket and the outer wall of the mounting platform. A main cable clamping plate is fixedly connected to the bottom of the base. An S-shaped clamping block is fixedly connected to one side of the main cable clamping plate, and a secondary cable clamping plate is fixedly connected to the other side.

2. A new double sealed reinforced joint box according to claim 1, characterized in that: The main clamping plate has a dovetail groove on the side where it connects with the S-shaped clamping block. A limiting block is provided at the bottom of the dovetail groove, and a locking block that matches the dovetail groove is provided on the side of the S-shaped clamping block.

3. A new double-sealed reinforced splice closure according to claim 2, characterized in that: The card block is square, and the S-shaped clamping block has multiple fixing bolts on the side opposite to the card block.

4. A new double sealed reinforced joint box according to claim 1, characterized in that: A main cable clamping plate pressure plate and a filler plate are provided between the main cable clamping plate and the secondary cable clamping plate. The main cable clamping plate pressure plate is fixedly installed on the surface of the main cable clamping plate, and the secondary cable clamping plate pressure plate is fixedly connected to the surface of the secondary cable clamping plate.

5. A new dual seal reinforced splice closure as claimed in claim 1, wherein: The bracket includes a horizontal fixed end, a bent section, and a vertical connecting section for mounting the fiber storage tray, which are fixedly connected to the surface of the mounting platform. The bent section of the bracket makes an angle of 65° with the horizontal direction. The horizontal fixed end of the bracket is fixed to the surface of the mounting platform by bolts and extends vertically upward into the cap body after the bent section. A cable inlet is vertically opened on the base near the fiber optic inlet of the fiber storage tray.

6. A new double-sealed reinforced splice closure according to claim 5, characterized in that: The bracket is made of galvanized steel plate and has a thickness of 1.5mm.

7. A new double sealed reinforced splice closure as claimed in claim 1, wherein: The lower end of the cap is bent outward at 90° to form a connection port. During installation, the connection port is pressed against the surface of the base and the cap and the base are sealed and fixedly connected by four M8 bolts.

8. A new double-sealed reinforced junction box according to any one of claims 1 to 7, characterized in that: The thickness of the cap is 3mm.

9. A new double sealed reinforced joint box according to any one of claims 1 to 7, characterized in that: Both the sealing gasket and the sealing ring are made of silicone rubber.

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