CN219179656U - Optical cable terminal box - Google Patents

Abstract

The utility model belongs to the field of communication equipment, and particularly relates to an optical cable terminal box which is provided with a terminal box main body, and is characterized in that the terminal box main body is composed of a shell, a wire inlet hole is formed in the rear wall of the shell, a plurality of pairs of winding posts are arranged at the bottom of the shell in parallel, a clamping groove with one end communicated with the outside is formed in the front wall of the shell, a plurality of signal connectors are clamped in the clamping groove, and a through adapter fixing port is formed in the signal connectors; the utility model has the advantages of various winding modes, large winding quantity, capability of increasing the signal connector in the later period, low cost, convenient adapter replacement, high adapter capacity and the like.

Description

Optical cable terminal box

Technical Field

The utility model belongs to the field of communication equipment, and particularly relates to an optical cable terminal box.

Background

The optical cable terminal box is a terminal of an optical cable, one end of the optical cable is an optical cable, the other end of the optical cable is a tail fiber, the optical cable terminal box is an equipment for splitting the optical cable into single optical fibers, and the optical cable terminal box has the functions of providing fusion connection between the optical fibers, fusion connection between the optical fibers and the tail fiber and connection between the optical connectors. And provides mechanical protection and environmental protection for optical fibers and their components, the optical cable termination boxes are widely used in machine rooms, base stations, and the like.

Among the prior art, like CN110596836B discloses a novel optical cable income family multicore terminal box, including terminal box lid and terminal box body, its characterized in that: the upper end face of the terminal box body is connected with a terminal box cover in a clamping manner, the upper end face of the terminal box cover is connected with a fixed lifting plate in a penetrating manner, the front positions of the left end face and the right end face of the terminal box body are connected with a connecting device through bolts, the front end face of the terminal box body is connected with a signal interface in a penetrating manner, the terminal box cover comprises an upper wiring fixing plate, a box cover plate and a front clamping plate device, the left position of the lower end face of the box cover plate is connected with an upper wiring fixing plate, the right position of the lower end face of the box cover plate is connected with a front clamping plate device, the upper wiring fixing plate comprises a limiting filling block, a fixing plate body, a primary fixing ring and a tight rubber ring, the lower end face of the fixing plate body is connected with the limiting filling block in a penetrating manner, the lower end face of the limiting filling block is connected with the primary fixing ring in a penetrating manner, the inner surface of the preliminary fixing ring is connected with a tight rubber ring, the front clamping plate device comprises a lifting connecting rod, a box body clamping plate, a pulling blocking plate, a reset spring and a rotating connecting frame, the middle of the rotating connecting frame is connected with the box body clamping plate, the position of the upper end face of the box body clamping plate, which is far to the left, is connected with the lifting connecting rod, the position of the right end face of the lifting connecting rod, which is far to the upper end face of the box body clamping plate, is connected with the pulling blocking plate, the right of the lifting connecting rod is connected with the reset spring, the terminal box body comprises a limiting fixing plate, an interface opening, a box body plate, a filling fixing block, a fixing limiting hole, a cycloidal fiber melting disc and a sleeved rubber ring, the rear end face of the box body plate is connected with the interface opening in a penetrating manner, the front end face of the box body plate is connected with the filling fixing block in a penetrating manner, the front end face of the filling fixing block is connected with a fixing limiting hole in a penetrating manner, the utility model discloses a box cover, including box cover, fixed limiting hole, fixed limiting block, rotatory threaded rod's top is connected with spacing fixed plate at the front end terminal surface of box body board, the internal surface of box body board is located to be connected with cycloid in the lower position, connecting device includes outside fixed trompil, link and side fixed trompil, the rear end terminal surface through-connection of link has outside fixed trompil, the lower extreme terminal surface through-connection of link has side fixed trompil, the signal interface includes inside spacing collar, outside spacing collar, optic fibre retainer plate, rotatory threaded rod and outside protection rubber sleeve, the lower extreme terminal surface of optic fibre retainer plate is connected with rotatory threaded rod, the surface of rotatory threaded rod has outside spacing collar through threaded connection in the below of rotatory threaded rod, rotatory lower extreme terminal surface has cup jointed outside protection rubber sleeve, reset spring's upper end terminal surface connection is at the lower extreme terminal surface of lid apron, the upper end terminal surface through-connection of lid and pulling board stop plate in the fixed box cover upper end, the cardboard of the box body can be connected at the terminal surface of the rotatory terminal surface of box cover.

The prior art has the following defects: 1. the adapter cannot be increased or decreased; 2. the maintenance is inconvenient; 3. the adapter capacity is low.

Disclosure of Invention

In order to solve the problems, the utility model aims to disclose an optical cable terminal box, which is realized by adopting the following technical scheme.

The utility model provides an optical cable terminal box, has terminal box main part, and its characterized in that terminal box main part comprises the casing, and the casing back wall forms a inlet wire hole, and the casing bottom parallel is equipped with many pairs of wrapping posts, and the casing front wall forms a draw-in groove of one end and outside intercommunication, and the draw-in groove intubate has a plurality of signal connection, forms a link up adapter fixed orifices in the signal connection for fixed adapter.

The optical cable terminal box is characterized in that the front wall of the shell forms an L-shaped clamping groove, an inlet of the clamping groove is located above the shell, two side inner walls of the clamping groove form a pair of parallel first sliding grooves, one ends of the two first sliding grooves are located on the left side and the right side of the inlet, all signal connectors are composed of signal connector bodies, first sliding rails are formed around the signal connector bodies, the first sliding rails are formed by encircling four identical first sliding rail bodies, the included angle between every two adjacent first sliding rail bodies is the same, and the two corresponding first sliding rails are located in the corresponding first sliding grooves.

The optical cable terminal box is characterized in that the front inner wall and the rear inner wall of the first sliding groove are in interference fit with the front wall and the rear wall of the corresponding first sliding rail, and a certain force is required to be applied to the signal connector to enable the signal connector to slide in the clamping groove.

The optical cable terminal box is characterized in that the clamping groove is also internally provided with a filling part for filling the vacancy in the clamping groove.

The optical cable terminal box is characterized in that the filling part is not provided with a signal connector of the adapter fixing port.

The optical cable terminal box is characterized in that the inlet of the clamping groove is further provided with a limiting plugboard, the limiting plugboard is composed of a limiting plugboard main body and a plug convex strip positioned above the limiting plugboard main body, the distance between two ends of the plug convex strip and the corresponding side edge of the limiting plugboard main body is greater than the depth of the first sliding groove, and two sides of the limiting plugboard main body are inserted into the first sliding groove on the corresponding side.

The optical cable terminal box is characterized in that winding posts on the front side and the rear side are respectively located on the same straight line, heat shrinkage tube chucks are arranged on two sides of each pair of winding posts, and a heat shrinkage tube chuck is shared between two adjacent pairs of winding posts.

The optical cable terminal box is characterized in that three parallel second sliding grooves are formed in the bottom of the shell, the second sliding grooves penetrate through the bottom of the shell, three pairs of winding posts capable of sliding along the second sliding grooves are arranged in the shell, each winding post is composed of a winding post main body, the front side wall of each winding post main body is provided with a connecting part, the bottom surfaces of the connecting parts and the bottom surfaces of the winding post main bodies are located on the same plane, the ground of each connecting part is provided with a second sliding rail perpendicular to the connecting parts, the second sliding rails are located in the second sliding grooves, a threaded post is arranged at the bottom of each second sliding rail, the diameter of each threaded post is smaller than the width of each second sliding rail, a double-lug nut is meshed on each threaded post, and the diameter of each double-lug nut is larger than the width of each second sliding groove.

The optical cable terminal box is characterized in that the bottom of the shell is provided with second parallel sliding grooves, the number of the second parallel sliding grooves is the same as the number of pairs of the winding posts, the winding posts penetrate through the bottom of the shell and can slide along the second sliding grooves, the winding posts are composed of winding post bodies, the bottom surfaces of the winding post bodies are provided with second sliding rails perpendicular to the bottom surfaces of the winding post bodies, the second sliding rails are located in the second sliding grooves, and a fastening device is arranged at the bottom of each second sliding rail and used for being fixed after the winding posts move to a required position.

The optical cable terminal box is characterized in that the fastening device is formed by meshing a threaded column and a nut, the threaded column is located at the bottom of the second sliding rail, the height of the second sliding rail is smaller than that of the second sliding rail, the diameter of the threaded column is smaller than that of the second sliding rail, the sum of the length of the threaded column and the depth of the second sliding rail is larger than that of the second sliding rail, the nut is provided with a double-lug nut, and the diameter of the double-lug nut is larger than that of the second sliding rail.

The utility model has the advantages of various winding modes, large winding quantity, capability of increasing the signal connector in the later period, low cost, convenient adapter replacement, high adapter capacity and the like.

Drawings

Fig. 1 is a schematic perspective view of embodiment 1 of the present utility model.

Fig. 2 is a schematic perspective view of the main body of the terminal box according to embodiment 1 of the present utility model.

Fig. 3 is a schematic perspective view of a signal connector according to embodiment 1 of the present utility model.

Fig. 4 is a schematic perspective view of a limiting board according to embodiment 1 of the present utility model.

Fig. 5 is a schematic diagram of a housing structure according to embodiment 2 of the present utility model.

Fig. 6 is a schematic diagram of a winding post structure according to embodiment 2 of the present utility model.

In the figure: 1. the terminal box comprises a terminal box body, a housing, a winding post body, a connecting part, a second sliding rail, a threaded post, a double-lug nut, a wire inlet hole, a heat shrinkage pipe chuck, a clamping groove, a first sliding groove, a second sliding groove, a limiting insertion plate, a limiting protruding strip, a limiting insertion plate body, a signal joint, a first sliding rail, a signal joint body and an adapter fixing opening.

Detailed Description

Example 1

Referring to fig. 1 to 4, an optical cable terminal box is provided with a terminal box main body 1, and is characterized in that the terminal box main body 1 is formed by a shell 11, a wire inlet hole 13 is formed in the rear wall of the shell 11, three pairs of winding posts 12 are arranged at the bottom of the shell 11 in parallel, the winding posts 12 positioned at the front side and the rear side are respectively positioned on the same straight line, heat shrink tube chucks 14 are arranged at two sides of each pair of winding posts 12, a heat shrink tube chuck 14 is shared between two adjacent pairs of winding posts 12, an L-shaped clamping groove 15 is formed in the front wall of the shell 11, an inlet 17 of the clamping groove 15 is positioned above the shell 11, a pair of parallel first sliding grooves 16 are formed in the inner walls of two sides of the clamping groove 15, and one ends of the two first sliding grooves 16 are positioned at the left side and the right side of the inlet 17;

the clamping groove 15 is internally clamped with a plurality of signal connectors 3, all the signal connectors 3 are formed by signal connector main bodies 32, first sliding rails 31 are formed around the signal connector main bodies 32, the first sliding rails 31 are formed by surrounding four identical first sliding rail main bodies, the included angle between every two adjacent first sliding rail main bodies is 90 degrees, a through adapter fixing opening 33 is formed in the signal connector main bodies 32 and used for fixing an adapter, the two corresponding first sliding rails 31 are positioned in the corresponding first sliding grooves 16, the front inner wall and the rear inner wall of the first sliding grooves 16 are in interference fit with the front wall and the rear wall of the corresponding first sliding rails 31, and certain force is required to be applied to the signal connectors 3 to enable the signal connectors 3 to slide in the clamping groove 15;

the opening part of the clamping groove 15 is also provided with a limiting plugboard 2, the limiting plugboard 2 is composed of a limiting plugboard main body 22 and a plug convex strip 21 positioned above the limiting plugboard main body 22, the distance between two ends of the plug convex strip 21 and the corresponding side edge of the limiting plugboard main body 22 is greater than the depth of the first sliding groove 16, and two sides of the limiting plugboard main body 22 are inserted into the first sliding groove 16 on the corresponding side.

The utility model can wind the optical fibers on the three pairs of winding posts 12 respectively for distinguishing the optical fibers of the incoming wires, and can also consider the three pairs of winding posts 12 as a whole, wind more optical fibers and facilitate the maintenance of the circuit.

Example 2

Referring to fig. 5 to 6, and referring to fig. 1 to 4, an optical cable terminal box is provided with a terminal box main body 1, and is characterized in that the terminal box main body 1 is formed by a housing 11, a wire inlet hole 13 is formed at the rear wall of the housing 11, three parallel second sliding grooves 18 are formed at the bottom of the housing 11, the second sliding grooves 18 penetrate through the bottom of the housing 11, three pairs of winding posts 12 capable of sliding along the second sliding grooves 18 are arranged in the housing 11, the winding posts 12 are formed by winding post main bodies 121, a connecting part 122 is arranged at the front side wall of the winding post main body 121, the bottom surface of the connecting part 122 is positioned on the same plane as the bottom surface of the winding post main body 121, a second sliding rail 123 perpendicular to the connecting part 122 is arranged at the bottom surface of the connecting part 122, the second sliding rail 123 is positioned in the second sliding grooves 18, a threaded post 124 is arranged at the bottom of the second sliding rail 123, the height of the second sliding rail 123 is smaller than that of the second sliding rail 18, the diameter of the threaded column 124 is smaller than that of the second sliding rail 123, the sum of the length of the threaded column 124 and the depth of the second sliding rail 123 is larger than that of the second sliding rail 18, a double-lug nut 125 is meshed on the threaded column 124, the diameter of the double-lug nut 125 is larger than that of the second sliding rail 18, the double-lug nut 125 is used for fixing the winding columns 12 and the shell 11, heat-shrinkable tube chucks 14 are arranged on two sides of each pair of winding columns 12, one heat-shrinkable tube chuck 14 is shared between two adjacent pairs of winding columns 12, an L-shaped clamping groove 15 is formed on the front wall of the shell 11, an inlet 17 of the clamping groove 15 is positioned above the shell 11, a pair of parallel first sliding grooves 16 are formed on the inner walls on two sides of the clamping groove 15, and one ends of the two first sliding grooves 16 are positioned on the left side and the right side of the inlet 17;

the clamping groove 15 is internally clamped with a plurality of signal connectors 3, all the signal connectors 3 are formed by signal connector main bodies 32, first sliding rails 31 are formed around the signal connector main bodies 32, the first sliding rails 31 are formed by surrounding four identical first sliding rail main bodies, the included angle between every two adjacent first sliding rail main bodies is 90 degrees, a through adapter fixing opening 33 is formed in the signal connector main bodies 32 and used for fixing an adapter, the two corresponding first sliding rails 31 are positioned in the corresponding first sliding grooves 16, the front inner wall and the rear inner wall of the first sliding grooves 16 are in interference fit with the front wall and the rear wall of the corresponding first sliding rails 31, and certain force is required to be applied to the signal connectors 3 to enable the signal connectors 3 to slide in the clamping groove 15;

the opening part of the clamping groove 15 is also provided with a limiting plugboard 2, the limiting plugboard 2 is composed of a limiting plugboard main body 22 and a plug convex strip 21 positioned above the limiting plugboard main body 22, the distance between two ends of the plug convex strip 21 and the corresponding side edge of the limiting plugboard main body 22 is greater than the depth of the first sliding groove 16, and two sides of the limiting plugboard main body 22 are inserted into the first sliding groove 16 on the corresponding side.

Further, the second sliding rail 123 may be directly located at the bottom of the winding post body 121, omitting the connecting component 122, so that the structure of the winding post 12 is simpler, material is saved, and processing difficulty and accuracy are reduced.

Compared with embodiment 1, the winding posts 12 can move along the second sliding grooves 18, so that the distance between the two corresponding winding posts 12 is increased, the winding length of the optical fiber is increased, and the maintenance of the circuit is facilitated.

In the application, the signal connector 3 without the adapter fixing port 33 is arranged in the clamping groove 15 and used for filling the vacancy in the clamping groove 15, so that foreign matters are prevented from entering the terminal box main body 1 and damaging the optical fibers in the terminal box main body; meanwhile, the front and rear inner walls of the first sliding groove 16 are not in interference fit with the front and rear walls of the corresponding first sliding rail 31, so that the signal connector 3 can move in the clamping groove 15 more smoothly.

In the application, the number of the signal connectors 3 can be placed in the clamping groove 15 according to actual needs, and a plurality of adapters can be directly known from the outside and are continuously used in the terminal box; the signal connector 3 can be increased in the later period, so that waste is prevented, the number of adapters is not required to be reserved because of the expansion in the later period, and therefore, the large-capacity adapters are purchased, and the cost is increased; when one of the adapters needs to be replaced, the corresponding signal connector 3 is only required to be disassembled, the operation is convenient and quick, the first sliding rail 31 is square annular, and when the corner in the L-shaped clamping groove 15 moves, the movement can be realized without rotation; the adjacent two signal connectors 3 are closely adjacent, so that more signal connectors 3 can be accommodated in the clamping groove 15, and the capacity of the usable adapter of the terminal box is improved.

The above-described embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model. The protection scope of the present utility model is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.

Claims (8)

1. An optical cable terminal box is provided with a terminal box main body (1) and is characterized in that the terminal box main body (1) is composed of a shell (11), a wire inlet hole (13) is formed in the rear wall of the shell (11), a plurality of pairs of winding posts (12) are arranged at the bottom of the shell (11) in parallel, a clamping groove (15) with one end communicated with the outside is formed in the front wall of the shell (11), a plurality of signal connectors (3) are clamped in the clamping groove (15), and a through adapter fixing opening (33) is formed in the signal connectors (3);

the utility model discloses a portable electronic device, including casing (11), casing (11) front wall forms draw-in groove (15) of L shape, the top of casing (11) is located to inlet port (17) of draw-in groove (15), the both sides inner wall of draw-in groove (15) forms a pair of parallel first spout (16), the one end of two first spouts (16) is located inlet port (17) left and right sides, all signal connection (3) are by signal connection main part (32) constitution, form first slide rail (31) around signal connection main part (32), first slide rail (31) have four the same first slide rail main part to enclose, the contained angle of two adjacent first slide rail main parts is 90 degrees, two corresponding first slide rail (31) are located corresponding first spout (16).

2. A cable termination box according to claim 1, characterized in that the front and rear inner walls of the first runner (16) are interference fitted with the front and rear walls of the corresponding first rail (31).

3. A cable termination box according to claim 2, characterized in that a filling member is further provided in the clamping groove (15).

4. A cable termination box according to claim 3, wherein the filler member is devoid of signal contacts (3) of adapter securing openings (33).

5. The optical cable terminal box according to claim 4, wherein the inlet (17) of the clamping groove (15) is further provided with a limiting plugboard (2), the limiting plugboard (2) is composed of a limiting plugboard main body (22) and a plug convex strip (21) located above the limiting plugboard main body (22), the distance between two ends of the plug convex strip (21) and the corresponding side edge of the limiting plugboard main body (22) is greater than the depth of the first sliding groove (16), and two sides of the limiting plugboard main body (22) are inserted into the first sliding groove (16) on the corresponding side.

6. The optical cable termination enclosure of claim 5, wherein the winding posts (12) on the front side and the rear side are respectively located on the same straight line, and heat shrink tube chucks (14) are arranged on two sides of each pair of winding posts (12), and a heat shrink tube chuck (14) is shared between two adjacent pairs of winding posts (12).

7. The optical cable terminal box according to claim 6, wherein the bottom of the housing (11) is provided with second parallel sliding grooves (18) the number of which is the same as the logarithm of the winding posts (12), the second sliding grooves (18) penetrate through the bottom of the housing (11), the winding posts (12) are formed by winding post main bodies (121), the bottom surfaces of the winding post main bodies (121) are provided with second sliding rails (123) perpendicular to the bottom surfaces of the winding post main bodies (121), the second sliding rails (123) are positioned in the corresponding second sliding grooves (18), and the bottoms of the second sliding rails (123) are provided with a fastening device.

8. The cable termination box of claim 7, wherein the fastening means is formed by engagement of a threaded post (124) and a nut, the threaded post (124) is located at the bottom of the second slide rail (123), the height of the second slide rail (123) is smaller than the width of the second slide rail (18), the diameter of the threaded post (124) is smaller than the width of the second slide rail (123), the sum of the length of the threaded post (124) and the depth of the second slide rail (123) is greater than the depth of the second slide rail (18), the binaural nut (125) is used for fixing the spool (12) and the housing (11), and the diameter of the binaural nut (125) is greater than the width of the second slide rail (18).

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