CN117991465A - Optical fiber splitting box - Google Patents

Abstract

The application relates to an optical fiber splitting box, and belongs to the technical field of optical fibers. The optical fiber splice box comprises a box body, a splice tray assembly and a main optical cable assembly and a sub-optical fiber assembly which are arranged on the box body, wherein the box body comprises a box body and a cover body for sealing the box body, the splice tray assembly is arranged in the box body, the splice tray assembly comprises a splice tray support and a splice tray arranged on the splice tray support, one side of the splice tray support, which is used for installing the splice tray, is obliquely arranged and is deviated from one side of the splice tray, is an oblique clamping surface, a clamping strip is obliquely arranged at the bottom in the box body, a screw column is vertically arranged at the bottom in the box body, the oblique clamping surface of the splice tray support is attached to the clamping strip, the upper side of the clamping strip is connected with the splice tray support in a clamping manner and is used for limiting the oblique upward movement of the splice tray support, the screw column is provided with a screw column limiting groove for obliquely clamping along the extending direction of the oblique clamping surface, and the screw column is limited to move towards the direction away from the clamping strip. The application has the effect of standardizing the assembly of the welding disc assembly.

Description

Optical fiber splitting box

Technical Field

The application relates to the field of optical fibers, in particular to an optical fiber splitting box.

Background

The optical cable distribution box is an interface device for connecting a trunk optical cable with a distribution optical cable outdoors, in a corridor or indoors. The cable distribution cabinet must be capable of reliable operation in a given environment and its cabinet be capable of withstanding vertical pressures no greater than 500N.

The optical fiber is laid into a line by adopting an optical cable and the single-root management of the user cable is realized through the optical fiber splitting box. The subscriber cable may be spliced in the fiber optic drop box with the distribution cable in the fiber optic drop box. According to different requirements, the optical fiber connector can be manufactured on site at one end of the user cable and connected with the distribution cable through the distribution panel. Alternatively, the subscriber cable with the prefabricated optical fiber connectors can be connected with the distribution cable through the distribution panel. Alternatively, the subscriber cable may be connected to the distribution panel by welding. The existing optical cable fiber distribution box comprises a box body and a welding disc arranged in the box body, wherein the box body is provided with at least four main ports for optical cables to enter and a plurality of sub ports for optical fiber output, the sub ports are outlets of user cables, the main ports are used for the main optical cables to enter and exit, the protection cables and the optical cables are used for completing fiber distribution and connection in the box body, redundant fiber cores are coiled when the welding disc is used for optical cable connection, the welding disc is installed in the box body through a welding disc support, the welding disc support is fixed with a box body screw, the welding disc is clamped on the welding disc support and can be turned over, a plurality of welding discs on the welding disc support can be arranged up and down, and the structures of the welding discs can be different in order to adapt to different conditions.

When the existing optical fiber splitting box is assembled, due to the fact that the number and the structure of the welding discs are different, the structures of the welding disc supports are also various, the positions of the welding disc supports, which are fixed with the box body by screws, are prone to being fixed by screws on the outer ring of the welding disc, the positions of the welding discs with different specifications, which are directly likely to be fixed by screws, are larger in and out, and therefore the optical fiber splitting box with different specifications needs different nonstandard assembly equipment when being assembled with the welding disc components, and the suitability of the assembly equipment is poor.

Disclosure of Invention

In order to standardize the assembly of different fiber optic boxes, the present application provides a fiber optic box.

The application provides an optical fiber splitting box which adopts the following technical scheme:

The utility model provides an optic fibre divides fine case, includes the box, sets up the splice tray subassembly in the box and set up main optical cable subassembly and sub-optical fiber assembly on the box, the box include one side open-ended box and seal box open-ended lid, the splice tray subassembly install in the box bottom, the splice tray subassembly includes the splice tray support and installs the splice tray on the splice tray support, the splice tray support supplies one side slope setting of splice tray installation and in deviating from one side of splice tray forms the slope joint face, the slope of bottom is provided with the clamping strip in the box, the vertical screw post that is provided with in bottom in the box, the slope joint face laminating of splice tray support the clamping strip, the clamping strip upside with splice tray support joint and restriction splice tray support slope upward move, the splice tray support bottom has been seted up and has been supplied the screw post restriction groove that the screw post slope card was gone into is followed slope joint face extension direction, the screw post restriction is kept away from towards the clamping strip screw hole orientation, the screw has been seted up to the screw post.

Through the technical proposal, the welding disc component in the box body is clamped and fixed in a mode that the clamping strip is matched with the screw column, at the moment, whether the welding disc is blocked or not corresponding to the position of the welding disc bracket according to the specification of the welding disc component, the relative positions of the clamping strip and the screw column can be kept unchanged, so that the assembly process of the welding disc component in the optical fiber splitting box with different specifications can be carried out in the same assembly mode, the assembly of the welding disc component can be finished firstly and then the assembly of the box body and the welding disc component can be carried out without beating screws, the assembly process is more convenient, the mutual interference is not easy, the requirement on assembly equipment is lower, meanwhile, whether holes are punched for screw beating and reinforcing can be selected according to the specification of the welding disc component, the adaptation degree of the assembly is higher, because the position of the screw column is stable, and then the standardized screw installation is realized through the fixed position of the screw column during assembly, but because the size of the welding disc support and the characteristic that the screw fixation can only be carried out at the periphery, the conventional mode cannot be realized while the standardized assembly and the welding disc assembly are assembled in advance, and meanwhile, the screw reinforcement is not required at all, the optical fiber splitting box with partial specification can still be fixed through the screw, and meanwhile, the screw column exists, so that the screw does not need to pierce the bottom of the box body, the tightness of the whole box body can be better, the back of the welding disc support is obliquely arranged, besides the compression of the adapting clamping strip, the welding disc support can be smoothly pressed down, the assembly is convenient to complete, the welding disc can be installed before and after lamination on the welding disc support, and the use is convenient.

Optionally, the lid with the box body rotates to be connected, the lid with axis of rotation between the box body is located clamping strip deviates from one side of welding dish subassembly, be provided with the restriction on the lid clamping strip elasticity moves backward and carries out the restriction piece that the joint breaks away from, the restriction piece is provided with the restriction face, the restriction face be the arc surface and relative the center of rotation of lid is the part of cylinder, the restriction face butt clamping strip.

Through adopting above-mentioned technical scheme, the lid adopts the mode of rotating the connection for need not dismantle the lid when the box is opened, restriction piece on the lid can restrict the clamping strip and be opened when the welding dish support receives external force simultaneously, consolidates the clamping strip through the lid, realizes the stability of welding dish subassembly installation, and the lid is not torn open, and the welding dish subassembly can't be taken off.

Optionally, a rotation travel limiting structure is arranged between the clamping strip and the limiting block, and the back rotation angle of the cover body is limited to 91-120 degrees.

Through adopting above-mentioned technical scheme, through the stroke that clamps the strip and further restrict the lid back to revolve again, the effectual structure that utilizes clamps strip and restriction piece.

Optionally, the main optical cable assembly includes sealing block and installed part, the box body has been seted up and has been supplied the sealing block with the sealed mounting hole that the installed part was packed in proper order, the sealing block has been seted up and has been supplied the main optical cable hole that the optical cable passed, the installed part is integrative to be provided with the connection supporting part, the connection supporting part runs through the sealing block stretches into in the box body and with the box body is fixed, the installed part centre gripping is fixed the sealing block, be provided with the stroke spare in the box body, the stroke spare has been seted up and has been supplied the stroke hole that the connection supporting part passed, the length adaptation of connection supporting part the splice tray assembly, just the connection supporting part stretches into in the splice tray support and butt restriction the splice tray support reciprocates, the splice tray support has been seted up the adaptation the guide surface that the connection supporting part slided in.

Through adopting above-mentioned technical scheme, through mounting fixed seal piece on the box body, main optical cable hole on the seal piece supplies the optical cable to pass, thereby make main optical cable assembly play firm and sealed effect to the optical cable, make the box can not destroy the leakproofness completely because of the entering of optical cable, the mounting passes through the connection supporting part and is fixed with the box body, it is more firm to connect, the connection supporting part stretches into in the splice tray support simultaneously, thereby play the vertical restriction effect to the splice tray support, guide surface on the splice tray support then plays the guide effect, when making the connection supporting part restrict the splice tray support, there is not the installation that influences the mounting itself, and the existence of stroke piece, make the splice tray support bear by the stroke piece to the reaction force that connection supporting part probably produced, do not influence the mounting itself.

Optionally, the middle part of the connection supporting part protrudes upwards and abuts against the travel piece to limit the connection supporting part to extend continuously.

Through adopting above-mentioned technical scheme, the stroke piece cooperates with the bellied middle part of connection support portion, has played the stroke restriction that restriction connection support portion stretches into the box degree of depth.

Optionally, the box body has offered the annular seal groove of round along the opening outer edge, the lid has also offered annular seal groove, the seal groove of box body with the seal groove of lid corresponds and forms a confined annular groove, the box body with the centre gripping has the sealing washer between the lid, inlay from top to bottom in two on the sealing washer in the seal groove, the box body is kept away from one side of main optical cable subassembly with the lid rotates to be connected, the box body with the both sides of lid rotation position are provided with buckle fixed subassembly, buckle fixed subassembly has four and two liang to establish the box both sides and fix the four corners of box, buckle fixed subassembly includes fixed plate and connecting piece, connecting piece one side with the box body rotates to be connected, the opposite side with the fixed plate rotates to be connected, the lid has offered the confession the joint recess of fixed plate card income, the joint recess is close to one side along the lid is provided with upset groove portion, the fixed plate is provided with upset portion, two liang are established respectively the box both sides and are fixed with the optical cable groove and are connected with the seal surface of main arc face portion.

Through adopting above-mentioned technical scheme, box body and lid are through seting up seal groove and installation sealing washer for the leakproofness between box body and the lid is better when box body and lid assemble into the box, and the seal structure of cooperation main optical cable subassembly forms the holistic seal of optic fibre divides fine case, and box body and lid one side are connected through rotating, because there is one side to keep the state all the time between lid and the box body, only need to realize being connected between box body and the lid through buckle fixed subassembly, can guarantee sealed stability, and the fixed plate of buckle fixed subassembly rotates the card and goes into the joint recess, accomplishes the connection of box body and lid promptly, and is simple effective, self-fixing, and the lid is opened and is closed all conveniently again.

Optionally, the relative position between the buckle fixed subassembly with the clamping strip keeps invariable not to change with the welding dish subassembly specification, and simultaneously, supporting assembly equipment is provided with the confession the fixed basic block of for the assembly of fixed plate buckle, the basic block of for the assembly also has offered the confession the joint recess that the fixed plate card was gone into.

Through adopting above-mentioned technical scheme, buckle fixed subassembly not only is used for the fixed of lid, also is used for carrying out the assembly of butt fusion dish subassembly in the box body, carries out the location of box body position, and the base block supplies the fixed plate card to go into simultaneously and carries out box body position stability, and buckle fixed subassembly and clamping strip keep consistent relation, and the butt fusion dish installation is carried out to the optic fibre divides fine case of different specifications of being convenient for, can adapt to the installation of butt fusion dish subassembly, and the standardized installation of butt fusion dish subassembly of multiple specification optic fibre divides fine case is accomplished to same equipment.

Optionally, the auxiliary installation assembly further comprises an installation piece, the installation piece is two, the installation piece is installed in the box body deviates from one side of the lid, the box body is inboard to be provided with the confession installation piece is fixed with the projection that the screw was beaten into, the projection has two sets of, a set of the projection is located the clamping strip with the region between the box body inner wall, another set of the projection is according to the box specification set up in the welding disc subassembly with the region between the box body inner wall or the projection with the screw post coincidence, the installation piece deviates from one side interval of box body is provided with two at least and articulates support piece, the articulates support piece deviates from one side of installation piece is parallel the installation piece surface sets up to the holding surface, be formed with the articulates hole between the articulates support piece with the installation piece.

Through adopting above-mentioned technical scheme, accessory installation component is used for the laying of box, the mounting plate is fixed on the box body, the articulated support piece on the mounting plate is when the box level is placed, the holding surface of articulated support piece supports ground, the articulated support piece directly supports the box, when the box hangs the use, the articulated hole between articulated support piece and the mounting plate also can be used for hanging, simultaneously, the mounting plate drives into the position of screw and sets up the projection in the box, then can make the screw can not break through the box, guarantee the leakproofness, the projection utilizes the region of remaining after the slope of clamping strip to do not influence the installation of welding dish subassembly, projection and screw post also can coincide, the installation of cooperation welding dish subassembly effectively utilizes the screw post.

Optionally, the accessory installation component still includes main optical cable limiting plate and vice optical cable limiting plate, main optical cable limiting plate one end with the mounting piece is fixed, and the other end extends the box, vice optical cable limiting plate one end with main optical cable limiting plate is kept away from the one end of box passes through the restriction screw connection, and the other end extends to the box, vice optical cable limiting plate middle part is kept away from towards the direction arch of main optical cable limiting plate forms a vice reinforcement hole that supplies the optical cable to pass, the part that main optical cable limiting plate extends out the bottom wall of box towards the whole protrusion of vice optical cable limiting plate direction, restriction screw passes and protrudes main optical cable limiting plate, restriction screw with main optical cable limiting plate cooperation forms a main reinforcement region.

Through adopting above-mentioned technical scheme, main optical cable limiting plate and vice optical cable limiting plate cooperation centre gripping fixed optical cable for part before the optical cable gets into the box remains stable, is difficult to impaired, and vice reinforcing hole mainly uses when single optical cable gets into the box, and main reinforcing region then can supply many optical cables to pass through, adapts multiple condition, and limiting screw fixed connection main optical cable limiting plate and vice optical cable limiting plate also play the effect of limiting the optical cable in the main reinforcing region.

Optionally, a rotating disc is also matched, the rotating disc is located at one side of the main optical cable limiting plate, which is close to the main optical cable assembly, and the optical cables in the main reinforcing area and the auxiliary reinforcing holes bypass the rotating disc to enter the main optical cable assembly.

Through adopting above-mentioned technical scheme, set up the rotary disk, later rotary disk guide optical cable gets into main optical cable assembly, restriction optical cable bending angle.

In summary, the welding disc assembly in the box body is clamped and fixed through the mode that clamping strips are matched with the screw column, at this moment, no matter the box body specification and the specification of the welding disc assembly, the relative positions of clamping strips and the screw column can be kept unchanged, thereby the assembly process of the welding disc assembly in the optical fiber splitting box with different specifications can be carried out through the same assembly mode, as the screw can not be beaten, the assembly of the welding disc assembly can be completed first and then the assembly of the box body and the welding disc assembly can be carried out, the assembly process is more convenient, the mutual interference is not easy, the requirement on assembly equipment is lower, simultaneously, according to the specification of the welding disc assembly, the screw column corresponds to whether the welding disc support position is blocked by the welding disc, whether the punching is carried out or not, the assembly adaptation degree is higher, because the position of the screw column is stable in a general conventional method, then the screw column position is fixed to realize standardized beating screw installation during the assembly, but because the welding disc support size and the characteristics of only carrying out the screw fixing at the periphery, the conventional mode can not realize standardized assembly and the assembly in advance, simultaneously, the reinforcement is not completely used, the part can not be used, the welding disc support can be pressed down through the whole clamping support can be pressed down, the whole optical fiber support can be pressed down, the installation can be conveniently, the installation of the screw can be realized, the whole optical fiber support can be pressed down, and the installation frame can be pressed down conveniently, and the installation frame can be pressed down, and the installation can be conveniently pressed down.

Drawings

FIG. 1 is a schematic view of a fiber box according to an embodiment of the present application;

FIG. 2 is a schematic view of the mounting structure of the cassette and splice tray assembly according to an embodiment of the application;

FIG. 3 is a cross-sectional view of a fiber optic box in an embodiment of the present application;

Fig. 4 is an enlarged view at a in fig. 3;

Fig. 5 is an enlarged view at B in fig. 3;

FIG. 6 is a schematic view of the mounting structure of the snap-fit assembly in an embodiment of the application;

FIG. 7 is a schematic view of a set of snap-fit assemblies according to an embodiment of the application;

FIG. 8 is a schematic view showing the cooperation of the case and the base block for assembly according to the embodiment of the present application;

FIG. 9 is a schematic diagram of the structure of a primary fiber optic cable assembly in an embodiment of the present application;

FIG. 10 is a schematic illustration of the mating of a primary fiber optic cable assembly with a splice tray assembly in an embodiment of the present application;

fig. 11 is a schematic view of a mounting structure of a mounting piece portion in the embodiment of the present application.

Reference numerals illustrate: 1. a case; 12. a case body; 121. a clamping groove; 13. a cover body; 131. a clamping groove; 1311. overturning the groove part; 14. clamping the strip; 141. the clamping bulge; 15. a screw post; 16. sealing grooves; 2. a fusion splice tray assembly; 21. a fusion splice tray holder; 211. a horizontal bottom; 212. an inclined portion; 213. a screw column limiting groove; 22. a fusion plate; 3. a main cable assembly; 31. a sealing block; 311. a rubber extension; 32. a mounting member; 321. a lower mounting block; 322. an upper mounting block; 323. an extension hole; 33. a connection support part; 34. a travel member; 341. a travel hole; 35. a guide surface; 4. a sub-fiber assembly; 5. an accessory mounting assembly; 51. a mounting piece; 511. a hanging support piece; 512. a support surface; 513. a hanging hole; 52. a main optical cable limiting plate; 521. limiting the protrusion; 53. a secondary optical cable limiting plate; 54. a rotating disc; 541. a limiting ring; 55. a convex column; 56. auxiliary reinforcing holes; 57. a primary reinforcing region; 58. a limit screw; 59. a cover plate; 591. a horizontal portion; 592. a vertical portion; 6. a seal ring; 7. a buckle fixing assembly; 71. a fixing plate; 711. a turnover part; 72. a connecting piece; 8. a base block for assembly; 9. a limiting block; 91. a limiting surface; 92. the limiting structure constitutes a block.

Detailed Description

The application is described in further detail below with reference to fig. 1-11.

The embodiment of the application discloses an optical fiber dividing box and a standard assembly method thereof.

The optical fiber splitting box is a series of products containing a plurality of specifications.

Referring to fig. 1 and 2, an optical fiber splitting box comprises a box body 1, a fusion splice tray assembly 2 arranged in the box body 1, a main optical cable assembly 3, a sub optical fiber assembly 4 and an accessory installation assembly 5, wherein the main optical cable assembly 3, the sub optical fiber assembly 4 and the accessory installation assembly 5 are arranged on the box body 1, the box body 1 comprises a box body 12 and a cover body 13, the box body 12 is a hollow square-like shell with an upper opening, one side of the length direction of the cover body 13 is rotatably connected with the box body 12 and can be assembled and fixed with the box body 12 after being turned over, the upper opening of the box body 12 is sealed by the cover body 13, the fusion splice tray assembly 2 is arranged in the box body 12, the main optical cable assembly 3 is arranged in the middle of one side of the box body 12, in this embodiment, at least four holes for optical cables to enter the box body 1 are formed in the main optical cable assembly 3, in this embodiment, the sub optical fiber output assemblies are eight, the two groups of sub optical fiber output assemblies 4 are arranged on the left and right of the main optical cable assembly 3, and the sub optical fiber output assemblies are used for supplying cables to users to enter and exit the box body 1.

The splice tray assembly 2 includes a splice tray holder 21 and a plurality of splice trays 22, the splice trays 22 are for placing excess cores when the optical cable is spliced, the splice trays 22 include a horizontal bottom 211 and an inclined portion 212, the horizontal bottom 211 is integrally provided with a plurality of structures related to assembly and use in a flat plate shape, the inclined portion 212 is positioned at one side of the horizontal bottom 211 and extends obliquely towards the outer side and the upper side relative to the horizontal bottom 211, the splice trays 22 are a plurality of, the splice trays 22 are vertically stacked along the inclined portion 212, and the splice trays 22 are rotationally connected with the inclined portion 212, so that the splice trays 22 can be sequentially turned up without interference, and the specification and the structure of each splice tray 22 can be the same or different according to the use condition.

The welding disc assembly 2 is installed at the inner bottom of the box body 12, the inclined portion 212 of the welding disc support 21 is far away from the main optical cable assembly 3 on the box body 12, specifically, the inclined portion 212 is far away from the side wall of the welding disc 22 and is provided with inclined clamping faces, clamping strips 14 are obliquely arranged at the inner bottom of the box body 12, the clamping strips 14 are attached to the inclined clamping faces, clamping protrusions 141 are arranged at the upper end portions of the clamping strips 14 in an extending mode towards the direction of the inclined portion 212, the clamping protrusions 141 are abutted to the upper sides of the inclined portions 212, and accordingly the welding disc support 21 is limited to move upwards along the clamping strips 14, two clamping strips 14 are arranged in the embodiment, and two sides are respectively arranged on the two clamping strips 14.

Referring to fig. 3 and 4, the bottom in the case 12 is vertically provided with a screw column 15, the horizontal bottom 211 of the welding disk support 21 is provided with a screw column limiting groove 213 into which the screw column 15 is obliquely clamped along the extending direction of the inclined clamping surface, the screw column 15 limits the welding disk support 21 to move away from the clamping strip 14, the screw column 15 is provided with a screw hole and does not penetrate through the case 12, specifically, the screw column limiting groove 213 may be a vertical hole, the screw column 15 is vertically inserted into the screw column limiting groove 213, the screw column limiting groove 213 may be a vertical hole, a part of the side far from the clamping strip 14 is removed along the same inclination as the clamping strip 14, and a composite hole with a vertical side wall and an inclined side wall is formed.

During assembly, the assembly of the welding disc assembly 2 is completed firstly, then the assembly of the box body 12 and the whole welding disc assembly 2 is carried out, and meanwhile, whether screws are driven into or not is selected according to whether the welding disc 22 on the welding disc support 21 shields the positions of the corresponding screw columns 15 on the welding disc support 21, holes corresponding to the screw columns 15 are formed in the welding disc support 21 in the embodiment, and meanwhile, the welding disc support 21 and the box body 12 are reinforced through the screws.

Referring to fig. 4 and 5, the cover 13 is rotationally connected with the box 12, the rotation shaft between the cover 13 and the box 12 is located at one side of the clamping strip 14 away from the welding disc assembly 2, a circle of annular sealing groove 16 is formed along the outer edge of the opening of the box 12, the cover 13 is also provided with the annular sealing groove 16, the sealing groove 16 of the box 12 corresponds to the sealing groove 16 of the cover 13 and forms a closed ring groove, the sealing ring 6 is clamped between the box 12 and the cover 13, the sealing ring 6 is embedded in the two sealing grooves 16 up and down, and the thickness of the sealing ring 6 is slightly greater than the sum of the depths of the upper sealing groove 16 and the lower sealing groove 16, so that the sealing ring 6 can deform after being pressed, the sealing is better kept sealed, wherein the position of the rotational connection of the cover 13 and the box 12 is located outside the sealing groove 16 and close to the sealing groove 16, so that the sealing ring 6 also has the function of limiting the backward turning of the cover 13 after the cover 13 is covered.

Referring to fig. 6 and 7, two sides of the rotation positions of the box body 12 and the cover body 13 are provided with buckle fixing components 7, two sides of the width direction of the box body 12 are provided with buckle fixing components 7, the buckle fixing components 7 are provided with four sides which are respectively arranged at two sides of the box body 1 and fix four corners of the box body 1, in the embodiment, the box body 1 is close to the bottom of the other side which is high and opposite to one side of the main optical cable component 3, the corresponding box body 12 is close to the bottom of the other side which is high and opposite to one side of the main optical cable component 3, the sealing groove 16 also forms a state with one side high and one side low, the cover body 13 is correspondingly adapted, two groups of four buckle fixing components 7 are respectively arranged, one group corresponds to two sides of the lower part of the box body 1, the other group corresponds to two sides of the higher part of the box body 1, and the sizes of the two groups of buckle fixing components 7 are also adaptive.

The buckle fixed subassembly 7 includes fixed plate 71 and connecting piece 72, connecting piece 72 is formed by buckling an elastic steel strip in this embodiment, connecting piece 72 is U-shaped and both ends are buckled relatively and overhang, the hole that supplies connecting piece 72 both ends male is offered to fixed plate 71 one side, realize the rotation connection of connecting piece 72 and fixed plate 71, the draw-in groove 121 that supplies connecting piece 72 lower part to upwards block into from down is offered to box body 12 lateral wall, thereby the opening of draw-in groove 121 is less than connecting piece 72 diameter restriction connecting piece 72 self-disengaging, realize the swivelling joint of connecting piece 72 and box body 12, lid 13 has offered the joint recess 131 that supplies the fixed plate 71 card to go into, one side that joint recess 131 is close to lid 13 outward flange is provided with upset slot 1311, fixed plate 71 is provided with upset portion 711, upset portion 711 card is gone into in upset slot 1311, and the surface of upset slot 1311 atress is the concave arc surface, after the fixed plate 71 fills joint recess 131 down simultaneously, connecting piece 72 is a L shape with fixed plate 71, thereby the fixed plate 72 is located the fixed plate 71 and is located the vertical position of fixed plate 71 and is located the top-down to the fixed plate 71, and is located the fixed plate 13 is kept away from to the fixed plate 13, thereby top-down is located the fixed plate 13, the fixed plate 13 is located the fixed notch is located, and is located from top-down, the fixed plate 13 is located to the fixed plate 13, the top-down, the lid 13 is located to be located to the fixed plate 13, is located to the top 13, is located down and is separated from the fixed plate 13, is located to the top 13, and is located to the top 13 and is located down to the position and is 13 from the position is located down to the position 13.

It should be noted that the number of the connecting pieces 72 of each snap-fastening assembly 7 may be two or more.

Referring to fig. 8, the relative position between the snap-fit fixing assembly 7 and the clamping strip 14 is kept constant and does not change according to the specification of the fusion splice tray assembly 2, meanwhile, the matched assembly equipment is provided with an assembly base block 8 for fixing the snap-fit of the fixing plate 71, and the assembly base block 8 is also provided with two sides on the assembly equipment, so that the box body 12 can be exposed between the two assembly base blocks 8 for installing the fusion splice tray assembly 2, and the assembly base block 8 is also provided with a clamping groove 131 for clamping the fixing plate 71, wherein the fixing plate 71 rotates towards the outer side of the box body 12 for a certain degree for matching when being matched with the cover body 13, and in this embodiment, 90 degrees are taken as an example.

Referring to fig. 2, 3 and 5, in the present embodiment, the inclined portion 212 of the welding disc support 21 is higher than the opening of the box body 12, the cover body 13 is provided with a limiting block 9 for limiting the elastic backward movement of the clamping strips 14 to be clamped and separated, the limiting block 9 is provided with a limiting surface 91, the limiting surface 91 is an arc surface and is a part of a cylindrical surface relative to the rotation center of the cover body 13, the limiting surface 91 abuts against the clamping strips 14, a rotation stroke limiting structure is arranged between the clamping strips 14 and the limiting block 9 and limits the backward rotation angle of the cover body 13 to be 91 degrees to 120 degrees, the clamping strips 14 are two, the limiting block 9 can span one clamping strip 14 and span two clamping strips 14, the limiting block 9 can also be two clamping strips 14 in one-to-one correspondence, specifically, the part of the limiting block 9 cut by one cylinder is composed of two end surfaces of one cylindrical surface and two cut planes, one plane cut out by the limiting block 9 is attached to the inner side wall of the cover body 13 and fixed on the cover body 13, the part of the upper cylindrical surface of the limiting block 9 faces the clamping strip 14 and contacts with the clamping strip 14, one limiting structure component block 92 is rotatably arranged on the other plane cut out by the limiting block 9 through a screw, the limiting structure component block 92 can be in two states through rotation, one state is that the cover body 13 rotates to a certain angle, the limiting structure component block 92 abuts against the clamping strip 14 to limit rotation, and the inner side of the limiting structure component block 92 is accommodated in the limiting block 9 and does not block the rotation of the cover body 13, so that the limiting state can be changed from the side surface to the limiting structure component block 92 after the cover body 13 is installed.

Referring to fig. 2, 9 and 10, the main optical cable assembly 3 includes a sealing block 31 and a mounting member 32, in this embodiment, the sealing block 31 may be made of rubber with a certain elasticity, the mounting member 32 includes a lower mounting block 321 and an upper mounting block 322, the upper mounting block 322 and the lower mounting block 321 are separately provided with an upper and a lower and a clamping fit, an extending hole 323 is formed between the lower mounting block 321 and the upper mounting block 322, the sealing block 31 extends and is provided with a rubber extending portion 311 towards the extending hole 323, the rubber extending portion 311 is clamped between the upper mounting block 322 and the lower mounting block 321, the rubber extending portion 311 has two, the two rubber extending portions 311 are coaxially and extend through the rubber extending portion 311 in a one-to-one correspondence manner, the upper mounting block 322 and the lower mounting block 321 are assembled and fixed through the clamping structures formed by two groups of buckles and clamping grooves 121 on two sides of the two extending holes 323, the box body 12 is provided with a sealing mounting hole for the sealing block 31 and the mounting member 32 to be sequentially installed, the sealing block 31 is provided with a main optical cable hole 323 for passing through, the main optical cable hole 311 is provided with two corresponding rubber extending portions 311 and is coaxial, the lower mounting block 311 is coaxially arranged towards the extending portion 311, the inner side of the sealing block 12 is provided with a reinforcing box body 33, the two sealing box body 12 is connected with the inner bottom of the sealing box body 33, and the two sealing box body 33 is connected with the sealing box body 33 through the sealing box body 33, and the two sealing box body is connected with the sealing box body 33, and the sealing box body is connected with the inner sealing box body 33, and the sealing box body is simultaneously, and the sealing box body is connected with the sealing box body and the two sealing box body and the sealing box is connected with the sealing box and the box is connected.

The inner bottom of the box body 12 is provided with a travel piece 34, the travel piece 34 is provided with two connecting support parts 33 which are in one-to-one correspondence, the travel piece 34 is provided with a through travel hole 341 for inserting the end part of the connecting support part 33, the part of the connecting support part 33 between the travel piece 34 and the abutting piece is upwards protruded to be in an inverted U shape, thereby limiting the travel of the connecting support part 33 extending into the box body 12,

The length of the connection support portion 33 is further adapted to the splice tray assembly 2, the connection support portion 33 extends into the splice tray holder 21 but does not reach the position of the splice tray 22, the length of the connection support portion 33 is adapted to be adjusted according to the specification of the splice tray assembly 2 in the corresponding optical fiber distribution box, the connection support portion 33 abuts against the upper side wall of the horizontal bottom portion 211 of the splice tray holder 21, so that the splice tray holder 21 is limited to move upwards, a guiding surface 35 adapted to slide into the connection support portion 33 is arranged on one side of the horizontal bottom portion 211 of the splice tray holder 21, and the outer edge of the guiding surface 35 is inclined downwards.

It should be noted that, when the specification of the splice tray assembly 2 allows screw reinforcement, the length of the connection support portion 33 may be directly smaller than the position of the splice tray support 21, so that the connection support portion 33 is not required to be reinforced, and when the splice tray assembly 2 is assembled, the installation of the main optical cable assembly 3 is completed first, the installation of the splice tray assembly 2 is not affected by each other, and the dual reinforcement of the screw and the connection support portion 33 may be adopted, and when the installation of the splice tray assembly 2 is completed first, and then the installation of the main optical cable assembly 3 is performed.

Referring to fig. 1, 3 and 11, the accessory mounting assembly 5 includes two mounting pieces 51, a main optical cable limiting plate 52, a secondary optical cable limiting plate 53 and a rotating disc 54, the two mounting pieces 51 are mounted on one side of the box body 12 facing away from the cover body 13 by screws, two groups of protruding columns 55 are arranged on the inner side of the box body 12 and used for fixing the mounting pieces 51 by screws, one group of protruding columns 55 is located in a region between the clamping strip 14 and the inner side wall of the box body 12, the other group of protruding columns 55 is arranged in a region between the fusion splice tray assembly 2 and the inner side wall of the box body 12, which is far from the clamping strip 14, or the protruding columns 55 are overlapped with the screw columns 15 according to the specification of the box body 1, when the region of the box body 12 where the fusion splice tray assembly 2 is arranged is closer to the center of the whole box body 1, but the holes and screw holes on the protruding columns 55 are not communicated, the embodiment adopts a group of protruding columns 55 located in a region between the fusion splice tray assembly 2 and the inner side wall of the box body 12, which is far from the clamping strip 14, and the group of optical fibers 55 extend towards the inner region of the box body 12, which corresponds to the two groups 4 respectively.

At least two hanging support pieces 511 are arranged on one side of the mounting piece 51, which is away from the box body 1, at intervals, the two hanging support pieces 511 are symmetrically arranged along the length direction of the mounting piece 51, the cross section of each hanging support piece 511 is U-shaped, the surface of one side of the hanging support piece 511, which is away from the mounting piece 51, is parallel to the surface of the mounting piece 51 and is provided with a support surface 512, a hanging hole 513 is formed between the hanging support piece 511 and the mounting piece 51, in the embodiment, the hanging support piece 511 is formed by arranging two parallel openings on the mounting piece 51 and extruding and deforming parts between the two openings outwards, the penetrating direction of the hanging hole 513 is consistent with the length direction of the mounting piece 51, and the length direction of the mounting piece 51 is consistent with the width direction of the box body 1.

One end of the main optical cable limiting plate 52 is fixed with the mounting plate 51, the other end extends out of the box body 1 along the width direction of the box body 1, concretely, a groove which is matched with the main optical cable limiting plate 52 is formed in the bottom of the box body 12, meanwhile, the main optical cable limiting plate 52 stretches into a position between the mounting plate 51 and the bottom wall of the box body 12, the connection between the mounting plate 51 and the main optical cable limiting plate 52 is completed through one screw which reinforces the mounting plate 51, one end of the auxiliary optical cable limiting plate 53 and one end of the main optical cable limiting plate 52 which is far away from the box body 1 are connected through limiting screws 58, the other end extends to the box body 1, one limiting protrusion 521 is formed on each side of one end of the main optical cable limiting plate 52 which is far away from the box body 1 in the width direction, the auxiliary optical cable limiting plate 53 is located between the two limiting protrusions 521, an auxiliary reinforcing hole 56 for the optical cable to pass through is formed in the position of the middle of the auxiliary optical cable limiting plate 53 towards the direction which is far away from the main optical cable limiting plate 52, the part of the bottom wall of the box body 1 extends towards the auxiliary limiting plate 53, the limiting screws 58 integrally protrudes towards the direction of the auxiliary optical cable limiting plate 52, limiting screws 58 pass through and the main optical cable limiting plate 52, and the limiting screws 58 protrude towards the main optical cable limiting plate 52, and the optical cable limiting protrusion area 57 is matched with the main optical cable limiting screw 52, and an area 57.

When the case 1 is placed on the ground, the main reinforcing area 57 is composed of the ground matched with the main optical cable limiting plate 52 and the limiting screw 58, when the case 1 is hung on the wall, the main reinforcing area 57 is composed of the wall matched with the main optical cable limiting plate 52 and the limiting screw 58, wherein the limiting screw 58 can be driven into the wall in size but not required to be too deep, the main supporting force is also required to be limited by the mounting piece 51 matched with the wall to be a hook, and the limiting screw 58 can be driven into the wall to be a deep supporting force for the case 1 only by limiting the upward movement of the case 1 to be separated from the hook.

The main optical cable limiting plate 52 may also be directly fixed to the bottom of the box 12, at this time, a groove for limiting the random rotation of the main optical cable limiting plate 52 is still provided at the bottom of the box 12, and a corresponding protrusion 55 is also provided in the box 12 at a position corresponding to the screw fixation of the main optical cable limiting plate 52.

The rotary disc 54 is used for guiding the optical cable passing through the position of the main optical cable limiting plate 52 into the main optical cable assembly 3, the rotary disc 54 is located on one side, close to the main optical cable assembly 3, of the main optical cable limiting plate 52, the rotary disc 54 is cylindrical, optical cables in the main reinforcing area 57 and the auxiliary reinforcing holes 56 both bypass the rotary disc 54 and enter the main optical cable assembly 3, meanwhile, a limiting ring 541 is coaxially arranged on the outer wall of one end, which is consistent with the bottom of the box body 12, of the rotary disc 54, the optical cables are limited to pass through the limiting ring 541, the rotary disc 54 can be independently fixed, one corner, close to the box body 12, of the rotary disc 54 is preferably fixed with the box body 12, the fixing mode can be integrated or assembled and disassembled, the rotary disc 54 is further provided with a shielding plate 59, the shielding plate 59 comprises a horizontal portion 591 and a vertical portion 592, the horizontal portion 591 is symmetrical with the limiting ring 541, the vertical portion 592 vertically faces the surface of the horizontal portion 591, the vertical portion 592 extends towards the limiting ring 541, the outer side of the limiting ring 541 and the area, which is not surrounded by the vertical portion 592, and is in the direction of the box body 12, which passes over the main limiting plate 52, towards the main optical cable limiting plate 3.

The implementation principle of the optical fiber splitting box of the embodiment of the application is as follows: the clamping strip 14 and the screw column 15 are matched to form the fixation of the welding disc assembly 2, according to the specification of the welding disc assembly 2, two conditions of screwing and not screwing exist between the screw column 15 and the welding disc support 21, but no matter what kind, fiber distribution boxes with different specifications can be used for carrying out standardized assembly of the welding disc assembly 2 clamped into the box body 12 through the same equipment, and meanwhile, the position relationship between the clamping strip 14 and the clamping strip 7 is standardized, so that the position of the box body 12 is standardized and fixed during assembly, and the clamping process is adapted.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. An optical fiber splitting box is characterized in that: including box (1), set up in the box (1) weld dish subassembly (2) and set up main optical cable assembly (3) and sub-optical fiber assembly (4) on box (1), box (1) are including one side open-ended box (12) and seal box (12) open-ended lid (13), weld dish subassembly (2) install in bottom in box (12), weld dish subassembly (2) include weld dish support (21) and install weld dish (22) on weld dish support (21), weld dish support (21) confession one side slope setting of weld dish (22) installation and in deviating from one side formation slope joint face of weld dish (22), box (12) inner bottom slope is provided with clamping strip (14), box (12) inner bottom is provided with screw post (15) vertically, the slope joint face laminating of weld dish support (21) in clamping strip (14), welding strip (14) are gone up and are equipped with in the slope joint support (21) and are gone up the slope joint face of weld dish support (21) and are equipped with limit screw (213) in slope joint face (21), the screw column (15) limits the movement of the welding disc support (21) towards the direction away from the clamping strip (14), and the screw column (15) is provided with a screw hole.

2. An optical fiber distribution box according to claim 1, wherein: the welding disc comprises a box body (12), a cover body (13) and a welding disc assembly (2), wherein the box body (12) is connected with the cover body (13), a rotating shaft between the cover body (13) and the box body (12) is located at one side, deviating from the welding disc assembly (2), of a clamping strip (14), a limiting block (9) for limiting elastic backward movement of the clamping strip (14) to be clamped and separated is arranged on the cover body (13), a limiting surface (91) is arranged on the limiting block (9), the limiting surface (91) is an arc surface and is opposite to the rotating center of the cover body (13), and a part of a cylindrical surface is arranged on the rotating center of the cover body (13), and the limiting surface (91) is abutted to the clamping strip (14).

3. An optical fiber distribution box according to claim 2, wherein: a rotation stroke limiting structure is arranged between the clamping strip (14) and the limiting block (9) and limits the back rotation angle of the cover body (13) to be 91-120 degrees.

4. An optical fiber distribution box according to claim 1, wherein: the main optical cable assembly (3) comprises a sealing block (31) and a mounting piece (32), wherein the box body (12) is provided with a sealing mounting hole for the sealing block (31) and the mounting piece (32) to sequentially fill in, the sealing block (31) is provided with a main optical cable hole for the optical cable to pass through, the mounting piece (32) is integrally provided with a connecting support part (33), the connecting support part (33) penetrates through the sealing block (31) to extend into the box body (12) and be fixed with the box body (12), the mounting piece (32) is clamped and fixed with the sealing block (31), the box body (12) is internally provided with a travel piece (34), the travel piece (34) is provided with a travel hole (341) for the connecting support part (33) to pass through, the length of the connecting support part (33) is matched with the welding disc assembly (2), the connecting support part (33) extends into the welding disc support (21) and is in butt-limited, and the welding disc support (21) is provided with a guide surface (35) for the connecting support part (33).

5. An optical fiber distribution box according to claim 4, wherein: the middle part of the connecting support part (33) protrudes upwards and is abutted with the travel piece (34) to limit the continuous extending of the connecting support part (33).

6. An optical fiber distribution box according to claim 1, wherein: the box body (12) is provided with a circle of annular sealing groove (16) along the outer edge of the opening, the cover body (13) is also provided with an annular sealing groove (16), the sealing groove (16) of the box body (12) corresponds to the sealing groove (16) of the cover body (13) and forms a closed annular groove, a sealing ring (6) is clamped between the box body (12) and the cover body (13), the sealing ring (6) is embedded in the two sealing grooves (16) up and down, one side of the box body (12) far away from the main optical cable assembly (3) is rotationally connected with the cover body (13), both sides of the box body (12) and the rotating position of the cover body (13) are provided with buckle fixing assemblies (7), the buckle fixing assemblies (7) are respectively provided with four and two sides of the box body (1) and fix four corners of the box body (1), the buckle fixing assemblies (7) comprise fixing plates (71) and connecting pieces (72), one side of the connecting pieces (72) is far away from one side of the main optical cable assembly (3) and one side of the cover body (13) are rotationally connected with the cover body (13) in a rotating mode, one side of the connecting plates (71) is provided with a rotating mode, one side of the connecting plates (71) is close to one side of the rotating mode, the fixing plate (71) is provided with a turnover part (711), the turnover part (711) is clamped into the turnover groove part (1311), the surface stressed by the turnover part (711) and the turnover groove part (1311) is an inwards concave arc surface, and the main optical cable assembly (3) is provided with a sealing structure matched with an optical cable.

7. An optical fiber distribution box according to claim 6, wherein: the relative position between the buckle fixing component (7) and the clamping strip (14) is kept constant and is not changed by the specification of the welding disc component (2), meanwhile, matched assembly equipment is provided with an assembly base block (8) for fixing the buckle of the fixing plate (71), and the assembly base block (8) is also provided with a clamping groove (131) for clamping the fixing plate (71).

8. An optical fiber distribution box according to claim 1, wherein: the novel welding disc type electric heating device is characterized by further comprising an accessory mounting assembly (5), wherein the accessory mounting assembly (5) comprises mounting plates (51), the mounting plates (51) are two, the two mounting plates (51) are mounted on one side, deviating from the cover body (13), of the box body (12), protruding columns (55) for fixing the mounting plates (51) are arranged on the inner side of the box body (12), two groups of protruding columns (55) are arranged, one group of protruding columns (55) is located in the area between the clamping strips (14) and the inner side wall of the box body (12), the other group of protruding columns (55) are arranged in the area between the welding disc assembly (2) and the inner side wall of the box body (12) or the protruding columns (55) are overlapped with the screw columns (15) according to the specification of the box body (1), at least two hanging support pieces (511) are arranged on one side, deviating from the box body (1), of the hanging support pieces (511) are arranged on one side, deviating from the mounting plates (51), and the hanging support pieces (511) are parallel to the surface of the hanging pieces (511), and the hanging pieces (51) are formed.

9. An optical fiber distribution box according to claim 8, wherein: the auxiliary installation assembly (5) further comprises a main optical cable limiting plate (52) and an auxiliary optical cable limiting plate (53), one end of the main optical cable limiting plate (52) is fixed to the installation piece (51), the other end of the main optical cable limiting plate extends out of the box body (1), one end of the auxiliary optical cable limiting plate (53) is connected with one end, away from the box body (1), of the main optical cable limiting plate (52) through a limiting screw (58) through a screw, the other end of the auxiliary optical cable limiting plate extends to the box body (1), an auxiliary reinforcing hole (56) for an optical cable to pass through is formed in the middle of the auxiliary optical cable limiting plate (53) in a protruding mode in the direction away from the main optical cable limiting plate (52), the portion, extending out of the bottom wall of the box body (1), of the main optical cable limiting plate (52) protrudes integrally in the direction of the auxiliary optical cable limiting plate (53), the limiting screw (58) passes through and protrudes out of the main optical cable limiting plate (52), and the limiting screw (58) is matched with the main limiting plate (52) to form a main reinforcing area (57).

10. An optical fiber distribution box according to claim 9, wherein: the optical cable is characterized by further comprising a rotary disc (54), wherein the rotary disc (54) is positioned on one side, close to the main optical cable assembly (3), of the main optical cable limiting plate (52), and optical cables in the main reinforcing area (57) and the auxiliary reinforcing holes (56) enter the main optical cable assembly (3) by bypassing the rotary disc (54).