CN216646910U - Light-splitting and fiber-splitting box capable of being used as field connector - Google Patents

Abstract

The application relates to a split fiber box that can regard as on-the-spot connector to use, it includes: a cartridge body; the trays are stacked in the box body, and two adjacent trays are detachably and rotatably connected through a connecting structure; one of the trays is rotatably connected to the cartridge body. Different devices are arranged on the trays, so that different functions can be realized, such as the operations of existing optical fiber fusion, connection with an optical splitter, field termination and the like, so as to adapt to various working scenes; when the portable box is not needed to be used, a plurality of trays can be stored in the box body by utilizing the connecting structure, so that the space in the box body is fully utilized, and the carrying and the field work are convenient; a plurality of trays can carry out the dismouting, and installer can take out the tray when the installation and carry out circuit configuration after, installs box this internally again, can carry out butt fusion, beam split like this simultaneously, draw fine and become the operation such as end, has practiced thrift the operating time in later stage greatly.

Description

Light-splitting and fiber-splitting box capable of being used as field connector

Technical Field

The application relates to the technical field of fiber distribution boxes, in particular to a light-splitting fiber distribution box capable of being used as a field connector.

Background

With the popularization of optical cables in the home, in an optical communication access network, as the number of optical cables is increased, an optical cable splitting box is needed to butt the optical cable and the optical cable. The optical fiber distribution box is an interface device for connecting a main optical cable and an optical cable entering a home outdoors, in a corridor or indoors.

In some related technologies, only an optical fiber fusion splice tray or an optical splitting tray is disposed in a space in an optical splitting box, and since operations such as picking and terminating are also involved in an actual optical cable connection process, which also results in the need for additional equipment to complete the optical cable connection, a device that integrates functions such as fusion splicing, splitting, picking and terminating into one box gradually appears, but the following problems occur in a use process:

because multiple functions are concentrated in the box body, certain space in the box body is occupied, and when various operations are carried out, the space is narrow, namely, only one or two operations of welding, light splitting, fiber drawing, terminating and the like can be carried out simultaneously, and the connection time of the configuration of the optical cable is prolonged.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a divide fine box of light splitting that can regard as on-the-spot connector to can't carry out multiple wiring operation simultaneously in the fine box among the solution correlation technique, lead to the problem that optical cable connection time is long.

In a first aspect, a fiber distribution enclosure usable as a field connector is provided, comprising:

a cartridge body;

the trays are stacked in the box body, and two adjacent trays are detachably and rotatably connected through a connecting structure; one of the trays is rotatably connected to the cartridge body.

In some embodiments, one of the two trays located at the outermost side or one of the two trays located at the middle side among all the trays placed in a stack is rotatably connected to the cartridge body.

In some embodiments, all of the connecting structures are distributed at the same end of the stacked trays, or two adjacent connecting structures are located at both ends of the trays.

In some embodiments, the connecting structure comprises two connected units, and the two units are respectively connected to two adjacent trays;

each unit comprises two connecting blocks which are arranged at intervals in the thickness direction and the width direction of the tray; one connecting block is connected with a connecting shaft; a round hole is arranged on the other connecting block, and a notch groove communicated with the round hole is also arranged on the other connecting block.

In some embodiments, the number of the trays is three, and the trays are respectively a fiber melting tray, a splitter tray and an adapter tray; the fiber melting disc comprises:

the middle part of the first bottom plate is provided with a cylindrical wire ring, and the first bottom plate is also provided with a containing space;

the welded pipe clamping piece is installed in the accommodating space and is sheet rubber, and a plurality of first clamping grooves are formed in the sheet rubber.

In some embodiments, the splitter tray comprises:

the middle part of the second bottom plate is provided with a cylindrical wire ring, and a containing space is also arranged on the second bottom plate;

a splitter clamping member which is arranged in the accommodating space and comprises a plurality of groups of baffles; the baffles in each group are vertically and oppositely arranged, one baffle is provided with a boss, and the boss is provided with an inclined plane.

In some embodiments, the adapter tray comprises:

the third bottom plate is provided with a splitter clamping groove;

an adapter tray partition comprising two flat plates vertically connected to each other; one of the plates is connected to the third backplane and has a plurality of adapter card slots formed therein.

In some embodiments, the cartridge body comprises:

a bottom case which is hollow inside and is open at the top;

the box cover is hinged on the bottom box and seals the bottom box;

the hasp is connected to the bottom box and used for tightly connecting the bottom box and the box cover.

In some embodiments, a trunk cable sealing assembly is disposed on the bottom case, and the trunk cable sealing assembly includes:

the sealing plug is provided with a plurality of semicircular through holes which are distributed at intervals;

the two ends of the fastening pressing sheet are detachably connected with the two sealing plugs through screws respectively so as to buckle the two sealing plugs to form a circular through hole;

and the sealing plug is arranged in the circular through hole in a sealing mode and has elasticity.

In some embodiments, the bottom box is provided with a plurality of home-entry cable lead-in assemblies, and each home-entry cable lead-in assembly comprises:

the optical cable leading-in part is provided with two leading-in through holes for leading in and out of an optical cable entering a home;

and the home-entry optical cable clamping piece is provided with a second clamping groove corresponding to the introduction through hole, and the second clamping groove is used for fixing a home-entry optical cable.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides a light-splitting and fiber-splitting box capable of being used as an on-site connector, a plurality of trays are stacked in a box body, and two adjacent trays are detachably and rotatably connected through a connecting structure; one tray is rotatably connected with the box body, so that when the box is used, different functions can be realized by arranging different devices on the trays, such as the operations of existing optical fiber fusion, connection with an optical splitter, field termination and the like, so as to adapt to various working scenes; when not needing to use, utilize a plurality of trays of connection structure to accomodate in this internal, the internal space of make full use of box conveniently carries and site work.

In addition, a plurality of trays can be disassembled and assembled, and when the tray is installed, an installer can take out the trays to configure the circuits and then install the trays into the box body, so that the operations of welding, light splitting, fiber drawing, end forming and the like can be performed simultaneously, and the operation time in the later period is greatly saved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic overall structural diagram of a fiber splitting box that can be used as a field connector according to an embodiment of the present application;

FIG. 2 is a schematic view of a tray and a hinge seat according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a fiber-melting disk provided in an embodiment of the present application;

fig. 4 is a schematic structural diagram of a splitter tray provided in an embodiment of the present application;

fig. 5 is a schematic structural diagram of a splitter clip provided in an embodiment of the present application;

FIG. 6 is a schematic structural diagram of an adapter tray according to an embodiment of the present application;

FIG. 7 is a schematic structural diagram of an adapter tray from another perspective according to an embodiment of the present disclosure;

fig. 8 is a schematic structural diagram of a home cable lead-in assembly according to an embodiment of the present application;

fig. 9 is a schematic structural diagram of a trunk cable sealing assembly according to an embodiment of the present application.

In the figure: 1. a cartridge body; 10. a bottom case; 11. a box cover; 12. a hasp; 2. a hinged seat; 3. a tray; 31. melting the fiber disc; 310. a first base plate; 311. welding a pipe clamping piece; 32. a splitter tray; 320. a second base plate; 321. a splitter clamp; 322. a baffle plate; 323. a boss; 33. an adapter tray; 330. a third base plate; 331. an adapter tray bulkhead; 332. an adapter card slot; 333. a splitter clamping slot; 4. a connecting structure; 40. connecting blocks; 41. a connecting shaft; 42. a circular hole; 43. a notch groove; 5. a trunk cable seal assembly; 50. sealing the plug; 51. fastening the pressing sheet; 52. a sealing plug; 6. a home cable lead-in component; 60. a cable lead-in; 61. indoor optical cable clamping piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides a light-splitting fiber-splitting box capable of being used as a field connector, and aims to solve the problem that in the related art, multiple wiring operations cannot be simultaneously carried out in the fiber-splitting box, so that the optical cable connection time is long.

Referring to fig. 1 and 2, a fiber distribution box for field use includes a box body 1, a plurality of trays 3, and a connection structure 4.

The plurality of trays 3 can be respectively provided with devices with different functions, such as devices capable of performing operations of welding, light splitting, fiber drawing, end forming and the like, the plurality of trays 3 are stacked in the box body 1 when not in use, two adjacent trays 3 are detachably and rotatably connected through a connecting structure 4, and one tray 3 is rotatably connected with the box body 1 to adapt to various working scenes; when not needing to use, utilize a plurality of trays 3 of connection structure 4 to accomodate in box body 1, the space in make full use of box body 1 conveniently carries and field work.

When using, a plurality of trays 3 use connection structure 4 to rotate as the centre of a circle to when needs carry out operation such as butt fusion, beam split simultaneously, draw fine and one-tenth end, tray 3 can be independent dismantles, can take out tray 3 and carry out the circuit configuration after, install again in box body 1, be convenient for carry out the connection and the configuration of optical cable, practiced thrift the operating time in later stage greatly.

In some preferred embodiments, for the convenience of storage, the following arrangement is provided for the connection of the plurality of trays 3:

first, as shown in fig. 2, since the trays 3 have various states, the present embodiment is described in a state where a plurality of trays 3 are stacked, and among all the trays 3 stacked, one of the two trays 3 located at the outermost side is rotatably connected to the box body 1, and the tray 3 is connected to the inner bottom wall of the box body 1 through the hinge base 2, which may be in a fixed connection or a detachable connection through a screw. All the connecting structures 4 are distributed at the same end of the stacked trays 3, which end may be at any of the four sides of the tray 3, in such a way that a plurality of trays 3 are approximately fan-shaped when opened.

Secondly, since the trays 3 have various states, the present embodiment is described in a state where a plurality of trays 3 are stacked, and of all the trays 3 stacked, one of the trays 3 located in the middle is rotatably connected to the box body 1, and the tray 3 is connected to the inner bottom wall of the box body 1 through the hinge base 2, and the connection may be in a form of a fixed connection or a detachable connection through a screw. Two adjacent connecting structures 4 are located at both ends of the tray 3 in such a manner that the plurality of trays 3 are substantially in a zigzag shape or a straight shape after being opened.

The above two forms of the hinged seat 2 are both fixed on the inner bottom wall of the box body 1.

Thirdly, since the tray 3 has various states, the present embodiment is described by using the states of the plurality of trays 3 when they are stacked, the tray 3 connected to the box body 1 is one of the plurality of trays 3 located at the middle portion, and the tray 3 is connected to one of the inner walls of the periphery of the box body 1 through the hinge base 2, that is, the tray 3 is located at the upper and lower sides of the tray 3. All the connecting structures 4 are distributed at the same end of the stacked trays 3, which end may be at any of the four sides of the tray 3, in such a way that a plurality of trays 3 are approximately fan-shaped when opened. So that the tray 3 can be opened in both directions.

Fourth, and in contrast to the third, two adjacent connecting structures 4 are located at both ends of the tray 3, in such a way that the plurality of trays 3 are substantially in the shape of a zigzag or a straight line after being opened.

It should be understood that, through the above four modes, can select as required, adopt above mode, can make things convenient for the placing and opening of a plurality of trays 3, each other do not influence in carrying out the optical cable connection configuration process, be convenient for operate to the space in box body 1 has rationally been utilized.

As shown in fig. 2, in some preferred embodiments, the following arrangement is provided for the specific form of the connection structure 4:

the connecting structure 4 comprises two connected units which are respectively and fixedly connected to two adjacent trays 3; each unit includes two connection blocks 40 arranged at intervals in both the thickness direction and the width direction of the tray 3; one connecting block 40 is connected with a connecting shaft 41; the other connecting block 40 is provided with a round hole 42 and a notch groove 43 communicated with the round hole 42. When connected, the connecting shaft 41 is inserted into the circular hole 42 and rotates in the circular hole 42.

The provision of the cutaway groove 43 facilitates the removal and attachment of two connected units and ensures that the two adjacent trays 3 are rotatable and openable after installation.

This method is applicable to the first and third types of the above-described plural tray 3 connection forms. The connection structures 4 for the second and fourth types can be detachable pins and hinges of the related art.

Referring to fig. 1-7, in some preferred embodiments, the number of trays 3 is three, and is respectively a fiber fuse tray 31, a splitter tray 32, an adapter tray 33; the optical fiber splicing device comprises 3 independent trays, wherein a fiber melting tray 31 is used for splicing and storing optical fibers, a splitter tray 32 is used for installing an optical splitter and storing tail fibers, an adapter tray 33 is used for installing an optical fiber adapter and storing the tail fibers, and in addition, the installation of the optical splitter can also be realized. After the trunk optical cable enters the box body, the drawing and branching operation can be carried out in the bottom box 10, and the storage of the rest optical cables is carried out.

Therefore, the box body 1 is internally provided with a four-layer structure, and the operations of optical fiber fusion, fiber drawing, light splitting, end forming and the like are not interfered with each other, so that the box is suitable for various indoor and outdoor scenes. The internal fiber melting disc 31, the splitter disc 32 and the adapter disc 33 are stored and opened, and the layout is reasonable.

As shown in fig. 3, the fiber-fusing tray 31 includes: a first base plate 310 and a welded pipe snap 311,

the middle part of the first bottom plate 310 is provided with a cylindrical wire ring, and a containing space is also arranged on the first bottom plate; welded pipe joint spare 311 is installed in accomodating the space to it is the slice rubber, is equipped with the first draw-in groove of a plurality of on the slice rubber. The first bottom plate 310 mainly realizes the functions of winding, storing and fixing the optical fiber, and the middle part of the first bottom plate is provided with a cylindrical wire loop for winding the optical fiber of which the outer sheath is stripped on the periphery of the wire loop. The wire loop is adapted to the fiber walking radian of the optical fiber, the fiber is not easy to break and scratch when the wire loop is walked, the fiber cost is greatly saved, the structure is compact, the occupied space is small, the line distribution is clear, the time and the labor are saved, and the wire loop has good economic and practical values. The upper portion of first bottom plate 310 is equipped with the storage space for the welded pipe joint spare 311 of the flaky rubber material of installation is equipped with the first draw-in groove of a plurality of on the welded pipe joint spare 311, and first draw-in groove is the concavity and convexity, but the welded protective case of first draw-in groove joint. Optical fibers from opposite directions can be inserted into the ferrule to butt the two fibers together by fusion splicing.

As shown in fig. 4 and 5, the splitter tray 32 includes a second base plate 320 and splitter catches 321; a cylindrical wire ring is arranged in the middle of the second bottom plate 320, and a containing space is further arranged on the second bottom plate;

the splitter clamping member 321 is installed in the receiving space and includes a plurality of sets of baffles 322; the baffles 322 in each group are vertically opposite to each other, and a boss 323 is arranged on one baffle 322, and an inclined plane is arranged on the boss 323.

The second bottom plate 320 and the first bottom plate 310 are devices with the same structure, so that rapid production, installation and stock can be realized, the product cost can be reduced, and the consistency of products can be ensured. The splitter clamping member 321 is used for installing each optical splitter, so that the box body 1 not only has the function of optical fiber fusion splicing, but also can have the function of light splitting.

The side of the boss 323 is provided with an inclined surface, so that the optical splitter can slide down from the inclined surface to enter the clamping groove to be fixed. The relative vertical position between baffles 322 in each set can be modified to accommodate the size of optical splitters of different specifications, e.g., splitters of different splitting ratios such as 1:2, 1:4, 1:8, 1:16, etc. Furthermore, the optical splitter can also adopt a configuration of non-uniform light splitting besides uniform light splitting. In this embodiment, three groups of slots are provided, and 1, 2 or 3 optical splitters can be clamped according to actual requirements, so that modes such as first-stage light splitting, second-stage mixed light splitting and the like can be realized.

Therefore, each optical divider can be freely assembled in the box body 1 to select the miniature optical dividers with different quantities, different sizes and specifications and different light splitting ratios as required, the optical divider is suitable for modes such as first-level light splitting, second-level light splitting and first-level and second-level mixed light splitting, the optical dividers are convenient to assemble and disassemble, and the optical divider is not required to be integrally replaced to achieve the effect of saving resources.

As shown in fig. 6, the adapter disk 33 includes: a third chassis 330, splitter card slots 333, and adapter tray dividers 331. A splitter clamping groove 333 is arranged on the third bottom plate 330; the adapter tray partition 331 includes two flat plates connected perpendicularly to each other; one of the plates is connected to the third backplane 330 and has a plurality of adapter card slots 332 formed therein.

The adapter slot 332 is formed with a through hole for snap-fitting the fiber optic adapter. The third bottom plate 330 is provided with splitter clamping grooves 333, so that more slot positions for clamping the optical splitters are provided in the box, and the accommodating space and the configuration mode of the optical splitters are further improved.

After the optical cable entering the house enters the box body, a field connector can be installed at one end, a plug of the field connector can be inserted into one side of the adapter, and a tail fiber plug of the optical splitter can be inserted into the other side of the adapter, so that the box body can realize the functions of terminating besides the functions of optical fiber welding and splitting. The adapter plate partition 331 includes two flat plates connected perpendicular to each other, and can provide operation spaces for installation, insertion, extraction and the like of the field connector, routing is smooth, and construction operation of the pigtails and the field connector is facilitated.

In some preferred embodiments, as shown in fig. 1, the cartridge body 1 includes: a bottom box 10, a box cover 11 and a hasp 12,

the bottom case 10 is hollow inside and open at the top; the box cover 11 is hinged on the bottom box 10, so that the box cover 11 can be flexibly opened and closed, and the bottom box 10 is sealed; the hasp 12 is connected to the bottom case 10 and fastens the bottom case 10 and the case cover 11. Through this structure, make box body 1 have the barrier propterty height, compromise waterproof, dustproof, theftproof function simultaneously, install convenient advantage.

Referring to fig. 8 and 9, in some preferred embodiments, the trunk cable enters the enclosure body 1 through the trunk cable seal assembly 5 and is sealed and secured, and the drop cable enters the enclosure body 1 through the drop cable lead-in assembly 6 and is sealed and secured.

Wherein, trunk optical cable seal assembly 5 includes: the sealing plug 50 is provided with a plurality of semicircular through holes distributed at intervals; two ends of the fastening pressing sheet 51 are detachably connected with the two sealing plugs 50 through screws respectively so as to buckle the two sealing plugs 50 to form a circular through hole; the sealing plug 52 is sealingly arranged in the circular through hole and it has elasticity.

The circular through hole is suitable for the penetration and the penetration of a circular trunk optical cable, and the drawing and connecting function of the trunk optical cable can be realized. The trunk optical cable enters the box body from the semicircular through hole formed in one of the sealing plugs 50 without being cut off, is coiled and fixed in the box body, then penetrates out from the semicircular through hole of the other sealing plug 50, finally, the two sealing plugs 50 are aligned and buckled, and the upper and lower sealing plugs 50 are fixed by the fastening pressing sheet 51.

The sealing plug 52 serves the sealing function after the trunk cables enter the box. According to the different sizes of the outer diameters of the trunk optical cables, a certain layer of rubber sleeve in a pagoda shape can be cut through, so that the trunk optical cables can penetrate through the sleeve body to enter the box. The pagoda-shaped rubber sleeve of the sealing plug 52 is plugged into the circular through hole in an aligning manner and extruded, so that the waterproof sealing performance of the main optical cable is integrally improved.

Wherein, be equipped with a plurality of optical cable of registering one's residence and introduce subassembly 6 on the end box 10, optical cable of registering one's residence and introduce subassembly 6 includes:

the cable lead-in part 60 is provided with two lead-in through holes for the cable to pass in and out; the home-entering optical cable clamping piece 61 is provided with a first clamping groove corresponding to the introduction through hole, and the first clamping groove is used for fixing a home-entering optical cable.

The number of the home-entry cable lead-in assemblies 6 is determined according to the requirements of practical application, for example, the number is 8 in the present embodiment, and each home-entry cable lead-in assembly 6 includes a cable lead-in 60 and a home-entry cable clamp 61; the optical cable lead-in part 60 is provided with 2 lead-in through holes, so that the lead-in and the lead-out of 16 lead-in optical cables can be realized, and the shape of the internal through holes can be round, 8-shaped and the like; the two lead-in through holes can be arranged side by side or at a certain angle, so that the round lead-in optical cable or the butterfly lead-in optical cable can be led in and out. The upper surface of the cable lead-in 60 is provided with a groove for marking the cut-out, and the constructor cuts out the rubber material device from the groove and presses the lead-in cable down into the lead-in through hole.

The upper portion of the home-entry optical cable clamping piece 61 is provided with a second clamping groove which is a concave-convex clamping groove and used for guiding a home-entry optical cable into the second clamping groove and fixing the home-entry optical cable. The home-entering optical cable is designed to be fixed and reliable by adopting a special clamping groove, and is simple and convenient to arrange and high in efficiency.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The previous description is only an example of the present application, and is provided to enable any person skilled in the art to understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A fiber optic distribution enclosure usable as a field connector, comprising:

a cartridge body (1);

the trays (3) are stacked in the box body (1), and two adjacent trays (3) are detachably and rotatably connected through a connecting structure (4); one of the trays (3) is rotatably connected with the box body (1).

2. A fiber optic splitter box according to claim 1, wherein:

of all the trays (3) placed in a stack, one of the two trays (3) positioned at the outermost side or one of the two trays positioned at the middle side is rotatably connected with the box body (1).

3. A fiber optic splitter box according to claim 2, wherein:

all the connecting structures (4) are distributed at the same end of the stacked trays (3), or two adjacent connecting structures (4) are positioned at two ends of the trays (3).

4. A fiber optic splitter box according to claim 1, wherein:

the connecting structure (4) comprises two connected units which are respectively connected to two adjacent trays (3);

each unit comprises two connecting blocks (40) which are arranged at intervals in the thickness direction and the width direction of the tray (3); one connecting block (40) is connected with a connecting shaft (41); a round hole (42) is arranged on the other connecting block (40), and a gap groove (43) communicated with the round hole (42) is also arranged.

5. The fiber splitting and splitting box usable as a field connector according to claim 1, wherein the number of the trays (3) is three, and is a fusion fiber tray (31), a splitter tray (32), an adapter tray (33); the fiber-melting plate (31) comprises:

a first base plate (310) having a cylindrical wire loop at the middle thereof and a receiving space formed thereon;

the welded pipe clamping piece (311) is installed in the containing space and is sheet rubber, and a plurality of first clamping grooves are formed in the sheet rubber.

6. The fiber splitting enclosure of claim 5, wherein the splitter tray (32) comprises:

a second bottom plate (320) having a cylindrical wire loop at the middle thereof and a receiving space formed thereon;

a splitter catching member (321) installed in the receiving space and including a plurality of sets of baffles (322); the baffle plates (322) in each group are vertically and oppositely arranged, a boss (323) is arranged on one baffle plate (322), and an inclined plane is arranged on the boss (323).

7. The fiber optic splitter box usable as a field connector according to claim 5, wherein the adapter plate (33) includes:

a third bottom plate (330) provided with a splitter slot (333);

an adapter tray partition (331) comprising two flat plates connected perpendicularly to each other; one of the plates is connected to a third backplane (330) and has a plurality of adapter card slots (332) formed therein.

8. The fiber optic distribution enclosure usable as a field connector according to claim 1, wherein the enclosure body (1) includes:

a bottom case (10) which is hollow inside and is open at the top;

the box cover (11) is hinged on the bottom box (10) and seals the bottom box (10);

and the hasp (12) is connected to the bottom box (10) and is used for tightly connecting the bottom box (10) and the box cover (11).

9. The fiber distribution enclosure of claim 8, wherein the base enclosure (10) is provided with a trunk cable seal assembly (5), the trunk cable seal assembly (5) comprising:

the sealing plug (50) is provided with a plurality of semicircular through holes distributed at intervals;

the two ends of the fastening pressing sheet (51) are detachably connected with the two sealing plugs (50) through screws respectively so as to buckle the two sealing plugs (50) to form a circular through hole;

and a sealing plug (52) which is arranged in the circular through hole in a sealing mode and has elasticity.

10. The fiber distribution enclosure of claim 8, wherein the base enclosure (10) includes a plurality of drop cable assemblies (6), the drop cable assemblies (6) including:

the optical cable leading-in part (60) is provided with two leading-in through holes for leading in and out of the optical cable;

the home-entering optical cable clamping piece (61) is provided with a second clamping groove corresponding to the lead-in through hole, and the second clamping groove is used for fixing a home-entering optical cable.

Images