CN217360401U

CN217360401U - Junction box for laying underwater optical cable

Info

Publication number: CN217360401U
Application number: CN202221076702.4U
Authority: CN
Inventors: 林剑; 徐军; 杜浩华
Original assignee: Jiangsu Tongguang Marine Opto Electronic Technology Co ltd
Current assignee: Jiangsu Tongguang Marine Opto Electronic Technology Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-09-02
Anticipated expiration: 2032-05-07

Abstract

The utility model relates to a junction box for laying underwater optical cables, a mounting plate (130) is arranged on a lower box body (110), a connecting piece (140) is arranged on the mounting plate (130), and a connecting terminal (150) is connected on the connecting piece (140); the sealing ring (210) is externally provided with a fastening plate (220), the fastening plate (220) is fixed on the line box assembly (100), a sealing block (240) is arranged in the lower box body (110) and the upper box body (120), two ends of the mounting plate (130) are provided with a baffle (250) for fixing the wiring terminal (150), the outer side of the baffle (250) is filled with water absorption cotton (260), and the water absorption cotton (260) is internally fixed with a temperature and humidity detector (270). The utility model discloses a two kinds of compound mode carry on waterproofly outside the box and in the box, have improved the water-proof effects of terminal box, and also can detect in time after intaking slightly, remind the maintenance, reduce follow-up loss.

Description

Junction box for laying underwater optical cable

Technical Field

The utility model relates to a terminal box technical field specifically is a terminal box of usefulness is laid to optical cable under water.

Background

The optical cable joint box is used for connecting two or more optical cables together, is provided with a connecting part for protecting components, is necessary to be adopted in the engineering construction of optical cable lines, is one of very important equipment, directly influences the quality of the optical cable lines and the service life of the optical cable lines, is a popular name, is called an optical cable joint box, and is also called an optical cable joint bag, an optical cable joint bag and a gun barrel. The continuous protection device provides optical, sealing and mechanical strength continuity between adjacent optical cables, belonging to a mechanical pressure sealing joint system. The method is mainly suitable for direct connection and branch connection of aerial, pipeline, direct burial and other laying modes of optical cables with various structures.

The existing underwater optical cable junction box has certain defects in practical application, for example, when the existing underwater optical cable junction box is applied underwater for a long time, the existing underwater optical cable junction box needs to be maintained regularly to check the waterproof effect of the existing underwater optical cable junction box, and meanwhile, the existing junction box needs to bear certain impact force underwater, so that the requirement on the junction box is higher, and the waterproof effect and the bearing capacity of the existing junction box are further improved.

CN212060672U discloses a junction box for laying optical cables, in which connection lugs corresponding to each other are disposed on the outer walls of an upper housing and a lower housing, an optical cable installation groove I and an optical cable installation groove II are combined into an optical cable installation through hole when the upper housing and the lower housing are assembled and fixed, a sealing sleeve is disposed in the optical cable installation groove I, the size of the sealing sleeve corresponds to the size of the installation hole formed by the optical cable installation groove I and the optical cable installation groove II, a slot is disposed between the upper end of the installation groove I and the sealing sleeve, and an insertion block with a thickness slightly larger than the width of the slot is disposed on the lower edge of the optical cable installation groove II of the upper housing; a fiber melting disc is arranged at the bottom of the inner cavity of the lower shell, and a locking device is arranged above the fiber melting disc; the fixed plate is arranged below the lower shell, and the buffer structure is arranged below the fixed plate. The structure is different, and a temperature and humidity detector for detecting whether water enters the box body is not arranged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a terminal box of usefulness is laid to optical cable under water with better waterproof and bearing effect is provided.

In order to solve the technical problem, the utility model provides a junction box for laying an underwater optical cable, which comprises a junction box component and a waterproof component; the wire box component comprises a lower box body and an upper box body which is combined with the lower box body; the waterproof assembly comprises sealing rings which are arranged on the lower box body and the upper box body and used for sealing the wiring terminal;

the lower box body is provided with a mounting plate, the mounting plate is provided with a connecting piece, and the connecting piece is connected with a wiring terminal;

the sealing ring is externally provided with a fastening plate, the fastening plate is fixed on the wire box assembly, a sealing block is arranged in the lower box body and the upper box body, two ends of the mounting plate are provided with baffles for fixing the wiring terminals, water absorption cotton is filled outside the baffles, and a temperature and humidity detector is fixedly arranged in the water absorption cotton.

Furthermore, the upper box body is connected with a pressing plate, and the pressing plate is provided with supporting legs.

Furthermore, an insertion groove for the insertion of the supporting leg is formed in the mounting plate.

Furthermore, a waterproof cover positioned outside the wiring terminal is arranged on the baffle.

Further, the sealing rings are annularly arranged on the inner side and the outer side of the lower box body and the upper box body.

Furthermore, the inner walls of the lower box body and the upper box body are provided with sealing grooves for inserting the baffle plates, and sealing gaskets are arranged in the sealing grooves.

Compared with the prior art, the utility model, following beneficial effect has:

1. the utility model discloses a line box subassembly and waterproof component adopt two kinds of compound mode in the box outside the box and waterproof, have improved the water-proof effects of terminal box greatly, and also can detect in time after intaking slightly, remind the maintenance, reduce follow-up loss, convenient to popularize and use.

2. The utility model discloses a solid board of pressure and baffle have effectively improved the bearing capacity between lower box body and the last box body, prevent that the terminal box from receiving the impact deformation, have improved wiring life.

3. This practicality installation is located the outer buckler of binding post on the information port baffle, improves binding post's water-proof effects.

Drawings

Fig. 1 is a side sectional view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is a schematic view of the lower case of the present invention.

Reference numerals:

100. a wire cassette assembly; 110. a lower box body; 111. a sealing groove; 120. an upper box body; 121. pressing and fixing the plate; 122. supporting legs; 130. mounting a plate; 140. a connecting member; 150. a wiring terminal;

200. a waterproof assembly; 210. a seal ring; 220. a fastening plate; 230. an expansion screw; 240. a sealing block; 250. a baffle plate; 251. a waterproof cover; 260. absorbent cotton; 270. a temperature and humidity detector.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

It is to be understood that such description is merely exemplary and is not intended to limit the scope of the present invention.

Referring to fig. 1-2, a junction box for laying an underwater optical cable includes: a wire box assembly 100 and a waterproof assembly 200. The wire cassette assembly 100 includes a lower cassette body 110, an upper cassette body 120 attached to the lower cassette body 110, a mounting plate 130 mounted on the lower cassette body 110, a connection member 140 provided on the mounting plate 130, and a connection terminal 150 connected to the connection member 140. The waterproof assembly 200 includes a sealing ring 210 disposed on the lower case 110 and the upper case 120 to seal the connection terminal 150, a fastening plate 220 disposed outside the sealing ring 210, an expansion screw 230 for fixing the fastening plate 220, a sealing block 240 fixed in the lower case 110 and the upper case 120, a baffle 250 connected to the mounting plate 130 and for fixing the connection terminal 150, absorbent cotton 260 filled outside the baffle 250, and a temperature and humidity detector 270 fixed in the absorbent cotton 260 and used for alarming.

Go up and be connected on the box body 120 and press solid board 121, press and install supporting leg 122 on solid board 121, can cooperate mounting panel 130 to play the supporting role between box body 110 and last box body 120 down, improve the mechanical strength of terminal box, set up the cartridge groove that supplies supporting leg 122 to peg graft on the mounting panel 130, the supporting leg 122 of being convenient for is aimed at, improves the stability of support.

Through line box subassembly 100 and waterproof subassembly 200, adopt two kinds of compound modes outside the box and in the box to waterproof, improved the water-proof effects of terminal box greatly, and also can detect in time after intaking slightly, remind the maintenance, reduce follow-up loss, convenient to popularize and use to through pressing solid board 121 and baffle 250, effectively improved the bearing capacity between lower box body 110 and the last box body 120, prevent that the terminal box from receiving impact deformation, improved the life of working a telephone switchboard.

As shown in fig. 3, in addition to embodiment 1, the waterproof cover 251 located outside the connection terminal 150 is installed on the baffle 250, so that the waterproof effect of the connection terminal 150 can be improved, and the sealing rings 210 are annularly disposed on the inner side and the outer side of the lower case 110 and the upper case 120, so that the waterproof effect is good.

The sealing groove 111 for inserting the baffle plate 250 is formed in the inner walls of the lower box body 110 and the upper box body 120, a sealing gasket is arranged in the sealing groove 111, the side face is convenient to water-proof, and the sealing block 240 is matched to form annular sealing.

The working principle and the using process are as follows: firstly, the connection terminal 150 is fixed on the baffle plate 250, then the baffle plate 250 is inserted into the sealing groove 111, then the absorbent cotton 260 with the built-in temperature and humidity detector 270 is filled on two sides, the connection terminal 150 is connected on the connecting piece 140, the cable on the connection terminal 150 is positioned between the sealing rings 210, the support leg 122 is inserted on the mounting plate 130, then the upper box body 120 is covered on the lower box body 110, and then the lower box body 110 and the upper box body 120 are mounted.

Claims

1. A junction box for underwater cable laying, comprising a box assembly (100) and a waterproof assembly (200); the wire box assembly (100) comprises a lower box body (110) and an upper box body (120) which is combined with the lower box body (110); the waterproof assembly (200) comprises a sealing ring (210) which is arranged on the lower box body (110) and the upper box body (120) and used for sealing the wiring terminal (150); it is characterized in that the preparation method is characterized in that,

a mounting plate (130) is mounted on the lower box body (110), a connecting piece (140) is arranged on the mounting plate (130), and the connecting piece (140) is connected with a wiring terminal (150);

sealing washer (210) are equipped with mounting plate (220) outward, mounting plate (220) are fixed on line box subassembly (100), set up in lower box body (110) and last box body (120) sealed piece (240), mounting panel (130) both ends set up the confession baffle (250) that binding post (150) are fixed, cotton (260) absorb water are filled in baffle (250) outside, cotton (260) internal fixation that absorbs water sets up thermodetector (270).

2. A junction box for laying an underwater optical cable according to claim 1, wherein a press plate (121) is connected to the upper box body (120), and support legs (122) are mounted on the press plate (121).

3. A connector box for underwater cable laying according to claim 2, wherein the mounting plate (130) is provided with a slot for receiving the support leg (122).

4. A connector for underwater cable laying according to claim 1, wherein a waterproof cover (251) is mounted on said baffle (250) outside said terminal (150).

5. A connector for underwater cable laying according to claim 1, wherein the sealing rings (210) are annularly provided on both inner and outer sides of the lower case (110) and the upper case (120).

6. The junction box for laying an underwater optical cable according to claim 1, wherein the inner walls of the lower box body (110) and the upper box body (120) are respectively provided with a sealing groove (111) for inserting the baffle plate (250), and a sealing gasket is arranged in the sealing groove (111).