CN218068380U

CN218068380U - Joint box structure with strong fixing effect

Info

Publication number: CN218068380U
Application number: CN202222640509.5U
Authority: CN
Inventors: 张伟
Original assignee: Anhui Zhongchen Shun'an Technology Co ltd
Current assignee: Wuhan Jiaxuntong Technology Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2022-12-16
Anticipated expiration: 2032-10-09

Abstract

The utility model discloses a joint box structure with strong fixing effect, which relates to the field of joint boxes and comprises a lower shell and an upper shell, wherein the lower shell is provided with four first semicircular tubes, the upper shell is provided with four second semicircular tubes, a plurality of clapboards are arranged in the lower shell, and a pressing plate is arranged in the upper shell; four fixing mechanisms used for limiting the movement of the optical fiber and two dehumidifying mechanisms are arranged in the lower shell. The utility model discloses a set up fixed establishment, when optic fibre was in the outer one end of splice box and received the drag, the junction of two optic fibre in the splice box can not receive the influence to avoid optic fibre splice department to be taken place by the condition of snapping.

Description

Joint box structure with strong fixing effect

Technical Field

The utility model relates to a joint box field especially relates to a joint box structure that fixed effect is strong.

Background

An optical fiber splice closure is a splice part for connecting two or more optical fibers together and having a protective member, and is one of the very important equipments that must be used in the construction of optical cable line engineering.

The current chinese patent with application number CN202022985004.3 discloses an optical fiber splice box for communication engineering, and it includes the box body and sets up the lid on the box body, and the incoming line has all been seted up at the box body both ends, and the draw-in groove has been seted up towards the lid in the box body in the one side, and the draw-in groove extends along the profile of box body, is equipped with the sealing washer in the draw-in groove. This application has the sealing performance who promotes the optical fiber splice box, reduces the effect that the condition of ponding appears in the splice box.

However, the technical scheme has the following defects: lack of a mechanism for securing the fiber; when the end of the fiber outside the splice enclosure is pulled, the fiber splice within the splice enclosure is easily broken.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a joint box structure that fixed effect is strong to solve above-mentioned at least one technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize:

a joint box structure with a strong fixing effect comprises a lower shell and an upper shell, wherein four first semicircular tubes are mounted on the lower shell, four second semicircular tubes are mounted on the upper shell, a plurality of partition plates are mounted in the lower shell, and a pressing plate is mounted in the upper shell; four fixing mechanisms used for limiting the movement of the optical fiber and two dehumidifying mechanisms are arranged in the lower shell.

Preferably, fixed establishment includes fixed block and guide block, fixed block and guide block are all installed in the casing down, it is provided with adjusting screw to run through on the fixed block, adjusting screw and fixed block threaded connection, adjusting screw's one end is rotated and is connected with splint, splint and casing sliding connection down.

Preferably, the fixing mechanism comprises a fixing column, a guide groove is formed in the fixing column, and a plurality of anti-slip protrusions used for limiting the optical fiber to slide are mounted on the groove wall of the guide groove.

Preferably, semicircular rubber pads are arranged in the first semicircular pipe and the second semicircular pipe.

Preferably, four first mounting plates are mounted on the side surface of the lower shell, and threaded cylinders are mounted on the first mounting plates in a penetrating mode; four second mounting plates are mounted on the side face of the upper shell, and bolts matched with the threaded cylinders are inserted into the second mounting plates.

Preferably, the dehumidification mechanism includes the dehumidification box, the dehumidification box is installed in the lower casing, the lid has been pegged graft at the top of dehumidification box, it is provided with a plurality of air vent to run through on the lid.

Preferably, the antiskid bulges are made of silica gel.

The utility model has the advantages that:

1. the utility model discloses a set up fixed establishment, when optic fibre was in the outer one end of splice box and received and pull, the junction of two optic fibre can not receive the influence in the splice box to avoid optical fiber splice department to take place by the condition of snapping.

2. The utility model discloses a set up dehumidification mechanism, can be to adding the active carbon granule in the dehumidification box to be convenient for reduce the humidity of the interior air of joint box, reduce the erosion of moisture to optic fibre.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a plan view of a lower case in embodiment 1 of the present invention;

fig. 3 is a top view of a lower housing in embodiment 2 of the present invention;

fig. 4 is a bottom view of the upper case of the present invention;

fig. 5 is a front view of the fixing column of the present invention;

reference numerals: 1. a lower housing; 11. a first semi-circular tube; 12. a rubber pad; 13. a first mounting plate; 14. a threaded barrel; 2. an upper housing; 21. a second semi-circular tube; 22. a second mounting plate; 23. a bolt; 3. a partition plate; 31. pressing a plate; 4. a fixing mechanism; 41. a fixed block; 42. adjusting the screw rod; 43. a splint; 44. a guide block; 45. fixing a column; 46. a guide groove; 47. anti-skid projections; 51. a dehumidification box; 52. a box cover; 53. and (4) a vent hole.

Detailed Description

In order to make the technical means, creation features, achievement objects and functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-5, a joint box structure with a strong fixing effect comprises a lower shell 1 and an upper shell 2, wherein four first semicircular tubes 11 are installed on the lower shell 1, four second semicircular tubes 21 are installed on the upper shell 2, a plurality of partition plates 3 are installed in the lower shell 1, and a pressing plate 31 is installed in the upper shell 2; four fixing mechanisms 4 for limiting the movement of the optical fiber and two dehumidifying mechanisms are arranged in the lower shell 1. The fixing mechanism 4 comprises a fixing block 41 and a guide block 44, the fixing block 41 and the guide block 44 are both installed in the lower shell 1, an adjusting screw 42 penetrates through the fixing block 41, the adjusting screw 42 is in threaded connection with the fixing block 41, one end of the adjusting screw 42 is rotatably connected with a clamping plate 43, and the clamping plate 43 is in sliding connection with the lower shell 1. Semicircular rubber pads 12 are arranged in the first semicircular pipe 11 and the second semicircular pipe 21, the optical fibers can be wrapped by the rubber pads 12, and external water is prevented from entering the joint box through gaps between the first semicircular pipe 11, the second semicircular pipe 21 and the optical fibers. Four first mounting plates 13 are mounted on the side surface of the lower shell 1, and threaded cylinders 14 are mounted on the first mounting plates 13 in a penetrating mode; four second mounting plates 22 are mounted on the side surface of the upper shell 2, and bolts 23 matched with the threaded cylinders 14 are inserted into the second mounting plates 22. The dehumidifying mechanism comprises a dehumidifying box 51, the dehumidifying box 51 is arranged in the lower shell 1, a box cover 52 is inserted at the top of the dehumidifying box 51, and a plurality of vent holes 53 are arranged on the box cover 52 in a penetrating manner.

The working principle is as follows: when the optical fiber splicing device is used specifically, the upper shell 2 and the lower shell 1 are separated, then two optical fibers needing to be connected are placed into the lower shell 1, then the optical fibers entering the lower shell 1 are peeled, a plurality of optical cores are exposed, then the optical cores of the two optical fibers are opposite one by one, for each pair of optical cores, a heat-shrinkable tube is sleeved on one optical core, and the two optical cores are fused and butted to form a fusion joint; moving the heat-shrinkable tube to cover the fusion joint, and heating the heat-shrinkable tube by using a hot air blower to tightly wrap the fusion joint by using the heat-shrinkable tube so as to form an optical core joint; then, each connected optical core joint is respectively placed in a gap between two adjacent partition plates 3, so that winding between multiple optical cores is avoided; then the other end of the optical fiber is passed between the clamping plate 43 and the guide block 44, the optical fiber is passed through the first semicircular tube 11, and then the adjusting screw 42 is rotated by using a tool, so that the adjusting screw 42 pushes the clamping plate 43 to move, and the clamping plate 43 is matched with the guide block 44 to clamp the optical fiber; even if one end outside the lower shell 1 is pulled, the joint of the two optical fibers in the lower shell 1 is not affected, so that the situation that the optical fiber joint is broken is avoided. Finally, the apparatus is mounted by covering the upper case 2 on the lower case 1, pressing the pressing plate 31 against the plurality of partition plates 3 so that the second mounting plate 22 is in contact with the first mounting plate 13, and then rotating the bolts 23 to connect the bolts 23 to the threaded cylinders 14.

The above operation steps are not exclusive, and the optical fiber may be first passed through the first semicircular tube 11, then fixed by the fixing mechanism 4, and finally two optical fibers are connected.

Wherein, through setting up dehumidification mechanism, when connecting optic fibre, can open lid 52, to dehumidification granule such as activated carbon particle in the dehumidification box 51, then peg graft lid 52 on dehumidification box 51 to reduce the humidity of the interior air of splice box, reduce the erosion of moisture to optic fibre.

Example 2

As shown in fig. 1 to 3, in the case where the other portions are the same as those of embodiment 1, the present embodiment is different from embodiment 1 in that: fixing mechanism 4 includes fixed column 45, has seted up guide way 46 on the fixed column 45, installs a plurality of on the cell wall of guide way 46 and is used for restricting the gliding non-slip raised 47 of optic fibre, and non-slip raised 47 is the silica gel material.

The working principle is as follows: when specifically using, through with optic fibre along the winding of guide way 46 on fixed column 45, make a plurality of non-slip raised 47 all with optic fibre contact simultaneously to increased the frictional force between optic fibre and the fixed column 45, when optic fibre was in the outer one end of splice box and received the drag, the junction of two optic fibres in the splice box can not receive the influence, thereby avoids the condition emergence that optic fibre splice department was broken.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a joint box structure that fixed effect is strong, includes casing (1) and last casing (2) down, install four first semicircle pipes (11) down on casing (1), upward install four second semicircle pipes (21) on casing (2), its characterized in that: a plurality of partition plates (3) are installed in the lower shell (1), and a pressing plate (31) is installed in the upper shell (2); four fixing mechanisms (4) used for limiting the movement of the optical fiber and two dehumidifying mechanisms are arranged in the lower shell (1).

2. A joint box structure with strong fixing effect as claimed in claim 1, wherein: fixed establishment (4) are including fixed block (41) and guide block (44), fixed block (41) and guide block (44) are all installed in casing (1) down, it is provided with adjusting screw (42) to run through on fixed block (41), adjusting screw (42) and fixed block (41) threaded connection, the one end of adjusting screw (42) is rotated and is connected with splint (43), splint (43) and casing (1) sliding connection down.

3. A joint box structure with strong fixing effect as claimed in claim 1, wherein: the fixing mechanism (4) comprises a fixing column (45), a guide groove (46) is formed in the fixing column (45), and a plurality of anti-skidding protrusions (47) used for limiting the optical fibers to slide are mounted on the groove wall of the guide groove (46).

4. A joint box structure with strong fixing effect according to claim 2 or 3, wherein: semicircular rubber pads (12) are arranged in the first semicircular pipe (11) and the second semicircular pipe (21).

5. A joint box structure with strong fixing effect as claimed in claim 4, wherein: four first mounting plates (13) are mounted on the side face of the lower shell (1), and threaded cylinders (14) penetrate through the first mounting plates (13); four second mounting plates (22) are mounted on the side face of the upper shell (2), and bolts (23) matched with the threaded cylinders (14) are inserted into the second mounting plates (22).

6. A joint box structure with strong fixing effect according to claim 5, wherein: the dehumidifying mechanism comprises a dehumidifying box (51), the dehumidifying box (51) is installed in the lower shell (1), a box cover (52) is inserted into the top of the dehumidifying box (51), and a plurality of vent holes (53) are arranged on the box cover (52) in a penetrating mode.

7. A joint box structure with strong fixing effect according to claim 3, wherein: the antiskid bulges (47) are made of silica gel.