Optical fiber distribution box and optical fiber distribution assembly

Abstract

The utility model discloses an optical fiber distribution box and an optical fiber distribution assembly, and relates to the technical field of optical fiber communication, the optical fiber distribution box comprises a protective shell, a tray and a bottom shell, an accommodating cavity is formed in the protective shell, the bottom wall of the protective shell is provided with an opening communicated with the accommodating cavity, and the outer wall of the protective shell is provided with a mounting part; a wrapping post is arranged on the tray, and the tray is contained in the containing cavity; the bottom shell is detachably connected with the protective shell and seals the opening, the top wall of the bottom shell is connected with the tray, an adaptive hole communicated with the containing cavity is formed in the bottom wall of the bottom shell and used for installing an optical fiber adapter, and the bottom shell can drive the tray to enter or break away from the containing cavity from the opening. The protection shell is used as an installation foundation to be fixed with the wall body, the bottom shell is detachably connected with the protection shell, operation can be carried out by detaching the bottom shell and taking out the tray and the wrapping post during wire adjustment, the protection shell can be kept to be installed on the wall body, and protection and installation can be recovered by installing the bottom shell and the like back to the protection shell after wire adjustment operation is completed. And the convenience of operation such as wire adjustment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of optical fiber communication, especially relates to a kind of optical fiber distribution box and optical fiber distribution assembly. BACKGROUND

[0002] Optical fiber distribution box, also known as optical fiber distribution box, optical fiber distribution box, etc., is a device used to realize the connection, distribution and management of optical fiber in optical fiber communication network. It is usually used in optical fiber distribution point in optical fiber access network to connect main optical fiber and branch optical fiber, realize the distribution and transmission of optical signal.

[0003] Traditional optical fiber distribution box usually includes cover and box body, winding disc and other functional parts are usually fixed in the box body, and the box body is usually fixed on the wall surface as the basis of support and fixation, so when the optical fiber wiring in the box needs to be adjusted, the cover needs to be opened or the whole box body needs to be removed.

[0004] When the adjustment is made by opening the cover, the position of the optical fiber distribution box cannot be moved, and the operator needs to adapt to the installation position of the optical fiber distribution box and operate, which is very inconvenient. When the installation height is high, a ladder or other tools need to be used, which affects the operation and reduces the work efficiency. When the adjustment is made by removing the whole box body, on the one hand, the disassembly work is complicated, on the other hand, the wall may be damaged, which requires reinstallation. Therefore, the traditional optical fiber distribution box is not convenient for adjusting the wiring. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide an optical fiber distribution box and an optical fiber distribution assembly, to improve the convenience of adjusting the wiring of the optical fiber distribution box.

[0006] To achieve the above-mentioned purpose, the utility model provides an optical fiber distribution box, which comprises a protective shell, a tray and a bottom shell, the protective shell is formed with a containing cavity, the bottom wall of the protective shell is provided with an opening communicating with the containing cavity, and the outer wall of the protective shell is further provided with a mounting portion; the tray is provided with a winding column, and the tray is contained in the containing cavity; the bottom shell is detachably connected with the protective shell and closes the opening, the top wall of the bottom shell is connected with the tray, the bottom wall of the bottom shell is formed with an adapter hole communicating with the containing cavity, the adapter hole is used for mounting an optical fiber adapter, and the bottom shell can drive the tray to enter or separate from the containing cavity through the opening.

[0007] In an embodiment, the inner wall of the opening is provided with a first matching part, and the side wall of the bottom shell is provided with a second matching part, and the second matching part is clamped with the first matching part.

[0008] In an embodiment, one of the first matching part and the second matching part is a dovetail, and the other is a dovetail groove.

[0009] In an embodiment, the outer side wall of the protection shell is provided with a first insertion hole, the side wall of the bottom shell is provided with a second insertion hole corresponding to the first insertion hole; the optical fiber distribution box further comprises a plug pin, which is sequentially inserted into the first insertion hole and the second insertion hole and connects the protection shell and the bottom shell.

[0010] In an embodiment, the optical fiber distribution box further comprises a sealing member, which is arranged along the inner peripheral wall of the opening and seals the connection between the protection shell and the bottom shell.

[0011] In an embodiment, the inner wall of the opening is provided with a first sealing groove extending along the circumference of the opening, the side wall of the bottom shell is in sliding connection with the inner wall of the first sealing groove, and the side wall of the bottom shell is provided with a second sealing groove extending towards the first sealing groove along the first sealing groove; the inner wall of the first sealing groove and the inner wall of the second sealing groove form an enclosed space, and the sealing member is filled in the enclosed space.

[0012] In an embodiment, the bottom wall of the bottom shell is formed with a stepped portion, the stepped portion is formed with a first mounting surface and a second mounting surface; the first mounting surface is provided with a plurality of the adapter holes, and the second mounting surface is provided with a plurality of the adapter holes.

[0013] In an embodiment, the plurality of the adapter holes on the first mounting surface are arranged equidistantly along a first direction, and the plurality of the adapter holes on the second mounting surface are arranged equidistantly along the first direction; each of the adapter holes on the first mounting surface is arranged staggered with another adjacent adapter hole on the second mounting surface.

[0014] In an embodiment, the mounting portion comprises a mounting blind hole and a mounting through hole, the mounting blind hole is arranged on the outer side wall of the protection shell, and the mounting through hole is arranged on the bottom wall of the mounting blind hole and penetrates through the bottom wall of the mounting blind hole; and / or, the mounting portion comprises a binding hole, the protection shell has two opposite outer side walls, each of the outer side walls is provided with a convex rib, and each of the convex ribs is provided with the binding hole; and / or, the mounting portion comprises a first mounting plate, the first mounting plate is arranged on the outer side wall of the protection shell away from the bottom shell, the first mounting plate is provided with a fixing hole, and the outer side wall of the bottom shell is provided with a second mounting plate corresponding to the first mounting plate, and the second mounting plate is provided with a clamping hole.

[0015] The utility model discloses still provide a kind of optical fiber distribution assembly, the optical fiber distribution assembly includes the optical fiber distribution box, first hoop and second hoop as any one of the above-mentioned embodiment;The mounting portion includes first mounting plate, the first mounting plate is located on the outer side wall of the protective shell and away from the one end of the bottom shell, the outer side wall of the bottom shell is equipped with the second mounting plate corresponding with the first mounting plate;The first hoop is detachably connected with the first mounting plate, and the second hoop is detachably connected with the second mounting plate.

[0016] The utility model discloses optical fiber distribution box including protection shell, tray and bottom shell, form has accommodating cavity in protection shell, the bottom wall of protection shell is equipped with the opening communicating with accommodating cavity, the outer wall of protection shell is also equipped with mounting portion;Tray is equipped with winding post, and tray is accommodated in accommodating cavity;Bottom shell is detachably connected with protection shell and closes opening, and the top wall of bottom shell is connected with tray, and the bottom wall of bottom shell forms the adaptation hole communicating with accommodating cavity, and adaptation hole is used for installing optical fiber adapter, and bottom shell can drive tray and enter or separate from accommodating cavity from opening. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in embodiment or prior art description, obviously, the drawings in the following description only some embodiments of the utility model, for ordinary skilled person in the art, without creative labor, according to the structure shown in these drawings, other drawings can also be obtained.

[0018] Figure 1 The structure explosion map of the embodiment of the optical fiber distribution box provided by the utility model;

[0019] Figure 2 For Figure 1 The partial enlarged view of A in the middle;

[0020] Figure 3 For Figure 1 The partial enlarged view of B in the middle;

[0021] Figure 4 For Figure 1 The structure explosion map of another view of optical fiber distribution box;

[0022] Figure 5The structure schematic view of another embodiment of the optical fiber distribution box provided by the utility model is shown in the figure.

[0023] Figure 6 For Figure 5 The middle bottom shell is viewed from below.

[0024] Figure 7 For Figure 5 The exploded view of the middle optical fiber distribution box.

[0025] Figure 8 The structure schematic view of one embodiment of the optical fiber distribution assembly provided by the utility model is shown in the figure.

[0026] Explanation of reference numerals:

[0027] 100, optical fiber distribution box;

[0028] 1, protective shell; 1a, accommodating cavity; 1b, opening; 1b1, first sealing groove; 1b2, dovetail groove; 1c, first plug-in hole; 1d, mounting blind hole; 1d1, mounting through hole; 11, convex rib; 11a, binding hole; 12, first mounting plate; 12a, fixing hole;

[0029] 2, tray; 21, winding column; 211, wire pressing strip;

[0030] 3, bottom shell; 3a, second sealing groove; 3b, second plug-in hole; 31, step part; 31a, adaptive hole; 311, first mounting surface; 312, second mounting surface; 32, dovetail; 33, second mounting plate; 33a, clamping hole;

[0031] 4, sealing element;

[0032] 5, latch;

[0033] 200, optical fiber distribution assembly; 210, optical fiber adapter; 220, first clamp; 230, second clamp; 240, optical fiber connector.

[0034] The utility model discloses the realization, functional characteristics and advantages will be combined with the embodiment, and the further description is made with reference to the drawings. Specific implementation

[0035] The technical scheme in the utility model embodiment will be described clearly and completely in combination with the drawings of the utility model embodiment, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of the utility model protection.

[0036] It should be noted that if the embodiment of the utility model has directionality indication (such as up, down, left, right, front, back, etc.), the directionality indication is only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture, if the specific posture changes, the directionality indication also changes accordingly.

[0037] In addition, if the embodiment of the utility model has the description of "first", "second" and the like, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled personnel in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0038] The utility model provides a kind of optical fiber distribution box 100.

[0039] Please refer to Figure 1 In an embodiment of the utility model, the optical fiber distribution box 100 includes a protective shell 1, a tray 2 and a bottom shell 3, a receiving cavity 1a is formed in the protective shell 1, the bottom wall of the protective shell 1 is provided with an opening 1b communicated with the receiving cavity 1a, and the outer wall of the protective shell 1 is further provided with a mounting portion;The tray 2 is provided with a winding column 21, and the tray 2 is accommodated in the receiving cavity 1a;The bottom shell 3 is detachably connected with the protective shell 1 and closes the opening 1b, the top wall of the bottom shell 3 is connected with the tray 2, the bottom wall of the bottom shell 3 forms an adaptation hole 31a communicated with the receiving cavity 1a, and the adaptation hole 31a is used for mounting the optical fiber adapter 210, and the bottom shell 3 can drive the tray 2 to enter or separate from the receiving cavity 1a from the opening 1b.

[0040] In the embodiment, the fiber distribution box 100 comprises a protective shell 1, a tray 2 and a bottom shell 3. The protective shell 1 serves as the mounting base of the entire fiber distribution box 100 and also protects the tray 2, the bottom shell 3 and the subsequently laid optical fibers. In consideration of the structural strength and lightweight design of the fiber distribution box 100, the material of the fiber distribution box 100 can be selected from PC, ABS and other engineering plastics. Further, in consideration of the fact that the fiber distribution box may be exposed to sunlight when installed outdoors and thus prone to aging, the material with good resistance to ultraviolet rays such as SMC can also be used. In order to meet the installation requirements, the mounting portion can be provided with holes that are convenient to cooperate with screws, and the outer wall of the protective shell 1 is directly or indirectly provided with holes for mounting. In consideration of the fact that the bottom shell 3 and the tray 2 can be in a bending or twisting stress state, the tray 2 and the bottom shell 3 can be integrally formed. It can be understood that the tray 2 and the bottom shell 3 can also be designed in a split type, for example, the two are locked by multiple bolts, as long as the structural strength of the two is ensured.

[0041] The tray 2 is provided with a winding column 21 for winding optical fibers. The number of winding columns 21 can be set according to the size of the accommodating cavity 1a and the winding requirement. Further, in order to improve the constraint of the optical fibers and prevent scattering, a pressing strip 211 can be provided on the side wall of the winding column 21. The pressing strip 211 can constrain the optical fibers between the pressing strip 211 and the tray 2 to prevent the scattering of the optical fibers and facilitate the arrangement of the optical fibers. Further, the pressing strip 211 can be arranged at the middle part of the winding column 21 or multiple layers of winding columns 21 can be provided to separate the winding column 21 into multiple layers of space, which can avoid the mixing of the optical fibers and improve the arrangement effect of the optical fibers. Further, multiple pressing strips 211 can be arranged on the same layer and distributed along the circumference of the winding column 21 to enhance the constraint effect.

[0042] The bottom shell 3 and the protective shell 1 are detachably connected and close the opening 1b. In order to achieve quick disassembly, the bottom shell 3 and the protective shell 1 can be connected by a latch 5 or a quick-release elastic buckle. When the bottom shell 3 closes the opening 1b, the tray 2 is driven into the accommodating cavity 1a. This corresponds to the working condition that after the adjustment of the optical fibers is completed, the bottom shell 3, the tray 2 and the optical fibers need to be installed and protected in the protective shell 1. The bottom shell 3 that closes the opening 1b can prevent dust from entering the accommodating cavity 1a and polluting the optical fibers, the fiber adapter 210 and the fiber connector 240.

[0043] The bottom wall of the bottom shell 3 is formed with an adapter hole 31a in communication with the accommodating cavity 1a, the adapter hole 31a is used for mounting an optical fiber adapter 210, the optical fiber adapter 210 is connected to the inner wall of the adapter hole 31a through a threaded fastener or a buckle and the like to realize fixing on the bottom shell 3, one end of the optical fiber adapter 210 extends into the accommodating cavity 1a, and the other end is located on the side of the bottom shell 3 away from the accommodating cavity 1a and is used for connecting with an external optical fiber. The two ends of the optical fiber adapter 210 can be inserted with an optical fiber connector 240, the optical fiber connector 240 is usually mounted at the end of the optical fiber and is used for realizing quick wiring and the like, compared with a traditional fusion fiber process, the combination of the optical fiber connector 240 and the optical fiber adapter 210 is more convenient and fast in the wiring operation, and professional equipment and personnel are not needed, and the convenience of optical fiber networking construction is greatly improved.

[0044] In the embodiment, the protection shell 1 is mounted and fixed on the wall body or the like as a mounting base, the bottom shell 3 is detachably connected with the protection shell 1, when wiring or the like needs to be operated, the bottom shell 3 is taken out together with the tray 2 and the winding column 21 when the bottom shell 3 is taken off, wiring operation can be performed, the protection shell 1 can be kept mounted on the wall body and does not need to be taken off, after wiring or the like is completed, the bottom shell 3 and the like are mounted back to the protection shell 1, the protection and mounting can be restored, and thus the convenience and speed of wiring operation of the optical fiber distribution box 100 are improved.

[0045] Further, please refer to Figures 1 to 3 In the embodiment of the utility model, the inner wall of the opening 1b is provided with a first matching part, the side wall of the bottom shell 3 is provided with a second matching part, and the second matching part is clamped with the first matching part.

[0046] In the embodiment, it is considered that the bottom shell 3 and the protective shell 1 are connected in a pull-out form, and the bottom shell 3 and the protective shell 1 are connected through a pin or a quick detachable buckle structure, etc. In order to strengthen the connection between the bottom shell 3 and the protective shell 1, and improve the dustproof effect of the bottom shell 3, a first matching part is arranged on the inner wall of the opening 1b, and a second matching part is arranged on the side wall of the bottom shell 3, and the second matching part is clamped with the first matching part, so that the connection between the bottom shell 3 and the protective shell 1 can be strengthened. Further, a plurality of first matching parts distributed at equal intervals can be arranged along the inner wall of the opening 1b, and a plurality of second matching parts distributed at equal intervals can be correspondingly arranged on the side wall of the bottom shell 3, so that the connection between the bottom shell 3 and the protective shell 1 can be further strengthened, and the stress between the bottom shell 3 and the protective shell 1 is uniform. Therefore, when the box body is deformed due to external force, the deformation of the bottom shell 3 and the protective shell 1 is synchronous, and a large gap between the two will not affect the sealing performance. And it can prevent local stress concentration from causing damage to the local bottom shell 3 or protective shell 1. The second matching part and the first matching part can adopt the form of clamping protrusions and clamping grooves matched with each other. Alternatively, one of the second matching part and the first matching part is arranged as a "7" shaped protrusion, and the other is arranged as a "7" shaped sliding groove. When the bottom shell 3 extends into the opening 1b, the "7" shaped protrusion can be locked in the "7" shaped sliding groove. Alternatively, one of the second matching part and the first matching part is arranged as a "T" shaped protrusion, and the other is arranged as a "T" shaped sliding groove. When the bottom shell 3 extends into the opening 1b, the "T" shaped protrusion can be locked in the "T" shaped sliding groove. Alternatively, the first matching part and the second matching part can also adopt magnetic attraction members that attract each other. The magnetic attraction can avoid the problem of structure wear.

[0047] Further, please refer to Figures 1 to 3 In an embodiment of the utility model, one of the first matching part and the second matching part is a dovetail 32, and the other is a dovetail groove 1b2.

[0048] In the embodiment, considering that when the first matching part and the second matching part are arranged between the bottom shell 3 and the protective shell 1, if the shapes of the first matching part and the second matching part are too bent, the optical fiber is easily hooked and damaged, the first matching part and the second matching part of the embodiment can adopt the dovetail 32 and the dovetail groove 1b2, the dovetail 32 is a convex that gradually expands in the direction away from the outer side wall of the bottom shell 3, correspondingly, the dovetail groove 1b2 is a groove that gradually expands in the direction from the inner wall of the opening 1b to the outer wall of the protective shell 1, and the dovetail groove 1b2 extends in the direction from the bottom shell 3 to the protective shell 1. The cross-sectional shape of the dovetail 32 can be set as a trapezoidal shape, and correspondingly, the shape of the dovetail groove 1b2 can be set as a trapezoidal shape matched with the dovetail 32. Compared with T-shaped and 7-shaped and the like, the dovetail 32 and the dovetail groove 1b2 are not easy to be hooked with the optical fiber, and the risk of damage to the optical fiber is reduced, and the dovetail 32 and the dovetail groove 1b2 have greater bearing capacity and can resist greater external force. Further, a plurality of dovetail grooves 1b2 can be arranged at equal intervals and uniformly distributed along the inner wall of the opening 1b, and correspondingly, a plurality of dovetail 32 can be arranged at equal intervals and uniformly distributed on the side wall of the bottom shell 3, so that the connection between the bottom shell 3 and the protective shell 1 can be further strengthened, and the stress between the bottom shell 3 and the protective shell 1 is uniform, so when the box body is deformed due to external pressure, the deformation of the bottom shell 3 and the protective shell 1 is synchronous, and a large gap is not generated between the two, which affects the sealing performance. Exemplarily, when the shape of the protective shell 1 adopts a box shape, when the opposite two side walls of the protective shell 1 are pressed, the other two adjacent side walls are easy to deform outward, so that a gap is easily generated between the bottom shell 3 and the protective shell 1, which affects the sealing performance. By arranging the dovetail 32 and the dovetail groove 1b2 in a matching manner, the bottom shell 3 and the protective shell 1 are tightly connected, so that a large gap is avoided, which affects the sealing performance.

[0049] Further, please refer to Figures 1 to 3 In an embodiment of the utility model, the outer side wall of the protective shell 1 is provided with a first insertion hole 1c, and the side wall of the bottom shell 3 is provided with a second insertion hole 3b corresponding to the first insertion hole 1c; the optical fiber distribution box 100 further comprises a bolt 5, which is sequentially arranged in the first insertion hole 1c and the second insertion hole 3b and connects the protective shell 1 and the bottom shell 3.

[0050] In the embodiment, the bolt 5 is used to connect the protective shell 1 and the bottom shell 3, and the bolt 5 can be pulled out, so that the detachable connection between the bottom shell 3 and the protective shell 1 is realized. Specifically, the outer side wall of the protective shell 1 is provided with a first insertion hole 1c, and the side wall of the bottom shell 3 is provided with a second insertion hole 3b corresponding to the first insertion hole 1c, and the bolt 5 can be sequentially arranged in the first insertion hole 1c and the second insertion hole 3b to temporarily fix the protective shell 1 and the bottom shell 3. Alternatively, the bolt 5 can be arranged in interference fit or clearance fit with the first insertion hole 1c and the second insertion hole 3b, and the bolt 5 can temporarily connect and fix the protective shell 1 and the bottom shell 3 through extrusion force and friction force. Preferably, please refer to Figure 2The side wall of the plug pin 5 is provided with an elastic clamping jaw, the elastic clamping jaw strengthens the friction force between the plug pin 5 and the first plug-in hole 1c through the elastic force of the elastic clamping jaw, and the plug pin 5 can be prevented from being easily loosened. Further, optionally, the second plug-in hole 3b can be provided as a through hole, when the bottom shell 3 needs to be disassembled, the plug pin 5 can be further pushed into the accommodating cavity 1a and collected by the bottom shell 3, so that the plug pin 5 is prevented from being lost. Optionally, a traction part can be arranged on the side of the plug pin 5 away from the accommodating cavity 1a, the traction part can be a pull ring or a protrusion facilitating manual pulling out of the plug pin 5, so that the plug pin 5 is pulled out, and the bottom shell 3 and the protective shell 1 are quickly disassembled. It can be understood that the number of the plug pin 5, the first plug-in hole 1c and the second plug-in hole 3b can be increased correspondingly to increase the connection strength of the protective shell 1 and the bottom shell 3, which is not limited in the utility model. In the embodiment, the bottom shell 3 and the protective shell 1 are connected through the plug pin 5, the structural strength is high, and the disassembly is facilitated.

[0051] Further, please refer to Figure 1 、 Figure 4 and Figure 7 In an embodiment of the utility model, the optical fiber distribution box 100 further includes a sealing piece 4, the sealing piece 4 is arranged along the inner peripheral wall of the opening 1b and sealingly connects the protective shell 1 and the bottom shell 3.

[0052] In the embodiment, considering that the optical fiber distribution box 100 may face the problem of rainwater immersion when installed in an outdoor environment, rainwater entering the optical fiber connection end face will affect the optical signal transmission, therefore, the embodiment further sets the sealing piece 4 between the protective shell 1 and the bottom shell 3 to improve the waterproof performance of the optical fiber distribution box 100. Optionally, the sealing piece 4 can adopt an epoxy resin sealant, a fluorosilicon sealant or the like, preferably, in order to improve the service life and sustainable use of the sealing piece 4, the sealing piece 4 can adopt a sealing ring made of silicon, rubber or a composite fluorosilicon rubber or the like.

[0053] Further, please refer to Figure 1 、 Figure 4 and Figure 7 In an embodiment of the utility model, the inner wall of the opening 1b is provided with a first sealing groove 1b1 extending along the circumference of the opening 1b, the side wall of the bottom shell 3 is slidingly connected with the inner wall of the first sealing groove 1b1, and the side wall of the bottom shell 3 is provided with a second sealing groove 3a extending towards the first sealing groove 1b1 and arranged along the first sealing groove 1b1; the inner wall of the first sealing groove 1b1 and the inner wall of the second sealing groove 3a form an enclosed space, and the sealing piece 4 is filled in the enclosed space.

[0054] In the embodiment, the inner wall of the opening 1b is provided with a first sealing groove 1b1 extending along the circumference of the opening 1b, the first sealing groove 1b1 is flush with the opening 1b and communicates with the outside, therefore the inner wall of the first sealing groove 1b1 comprises a bottom wall and a side wall, similarly, the side wall of the bottom shell 3 is provided with a second sealing groove 3a extending along the first sealing groove 1b1 and facing the first sealing groove 1b1, the second sealing groove 3a is flush with the side of the bottom shell 3 facing the protective shell 1, the inner wall of the second sealing groove 3a comprises a bottom wall and a side wall, the first sealing groove 1b1 is opposite to the second sealing groove 3a, and the inner wall of the first sealing groove 1b1 and the inner wall of the second sealing groove 3a form a closed space, that is, a closed annular channel, the annular channel has four inner walls, the sealing element 4 is filled in the annular channel and is extruded by the four inner walls of the annular channel, because the sealing element 4 itself has elasticity, therefore the sealing element 4 can tightly fill the annular channel, that is, the gap between the protective shell 1 and the bottom shell 3 is eliminated. In this way, the sealing performance is improved.

[0055] Further, please refer to Figure 1 、 Figure 5 and Figure 6 In an embodiment of the utility model, the bottom wall of the bottom shell 3 forms a stepped portion 31, the stepped portion 31 forms a first mounting surface 311 and a second mounting surface 312; a plurality of adapter holes 31a are arranged on the first mounting surface 311, and a plurality of adapter holes 31a are arranged on the second mounting surface 312.

[0056] In the embodiment, when a plurality of adapter holes 31a are arranged, the adjacent two rows of adapter holes 31a are easily interfered with each other when the fiber optic adapters 210 are installed and the fiber optic connectors 240 are inserted after the installation of the fiber optic adapters 210 is completed, for example, when the installation of the second row of fiber optic adapters 210 is performed after the installation of the first row of fiber optic adapters 210 is completed, the installed first row of fiber optic adapters 210 is easily touched, therefore the embodiment adopts the arrangement of the stepped portion 31, so that the first mounting surface 311 and the second mounting surface 312 with a height difference are formed on the stepped portion 31, the adapter holes 31a and the like on the two surfaces can not interfere with each other when they are operated, and the operation is facilitated.

[0057] Further, please refer to Figure 6 In an embodiment of the utility model, the plurality of adapter holes 31a on the first mounting surface 311 are equidistantly arranged along the first direction, and the plurality of adapter holes 31a on the second mounting surface 312 are equidistantly arranged along the first direction; each adapter hole 31a on the first mounting surface 311 is staggered with another adjacent adapter hole 31a on the second mounting surface 312.

[0058] In the embodiment, considering that when more rows of the adapting holes 31a are provided, the distance between the adjacent adapting holes 31a is small, which is not conducive to the operation of installing the fiber adapter 210 and the plug-in fiber connector 240, but directly increasing the row spacing will increase the size of the fiber distribution box 100, which is not conducive to saving production cost and miniaturization design. Therefore, the plurality of adapting holes 31a on the first mounting surface 311 are arranged equidistantly along the first direction, and the plurality of adapting holes 31a on the second mounting surface 312 are arranged equidistantly along the first direction, that is, the arrangement direction of the adapting holes 31a on the first mounting surface 311 is parallel to the arrangement direction of the adapting holes 31a on the second mounting surface 312; each adapting hole 31a on the first mounting surface 311 is arranged staggered with another adjacent adapting hole 31a on the second mounting surface 312, that is, the adapting holes 31a on the first mounting surface 311 are arranged non-aligned with the adapting holes 31a on the second mounting surface 312, so that the distance between each adapting hole 31a on the first mounting surface 311 and another adjacent adapting hole 31a on the second mounting surface 312 can be increased without changing the row spacing of the above two rows of adapting holes 31a, which provides a larger gap for the installation of the fiber adapter 210 and the plug-in of the fiber connector 240, improves the flexibility of operation, and reduces the probability of mutual interference.

[0059] Further, please refer to Figure 1 、 Figure 4 and Figure 7 In an embodiment of the utility model, the mounting portion includes a mounting blind hole 1d and a mounting through hole 1d1, the mounting blind hole 1d is arranged on the outer side wall of the protective shell 1, the mounting through hole 1d1 is arranged on the bottom wall of the mounting blind hole 1d and penetrates the bottom wall of the mounting blind hole 1d;And / or, the mounting portion includes a binding hole 11a, the protective shell 1 has two opposite outer side walls, each outer side wall is provided with a convex rib 11, and each convex rib 11 is provided with a binding hole 11a;And / or, the mounting portion includes a first mounting plate 12, the first mounting plate 12 is arranged on the outer side wall of the protective shell 1 and away from the bottom shell 3 one end, the first mounting plate 12 is provided with a fixing hole 12a, and the outer side wall of the bottom shell 3 is provided with a second mounting plate 33 corresponding to the first mounting plate 12, and the second mounting plate 33 is provided with a clamping hole 33a.

[0060] In the embodiment, considering the various installation environments of the fiber distribution box 100, including walls, columns and other various cases, the embodiment is provided with various structures for installing the protective shell 1. In the embodiment, the installation part includes a mounting blind hole 1d and a mounting through hole 1d1. The mounting blind hole 1d is arranged on the outer side wall of the protective shell 1, and the mounting through hole 1d1 is arranged on the bottom wall of the mounting blind hole 1d and penetrates through the bottom wall of the mounting blind hole 1d. The mounting blind hole 1d is not communicated with the accommodating cavity 1a, and the mounting through hole 1d1 is not communicated with the accommodating cavity 1a to ensure the airtightness of the fiber distribution box 100. The mounting blind hole 1d and the mounting through hole 1d1 are communicated, and are used for arranging screws, bolts or pins and the like to be installed and fixed on the wall surface and the like. In the embodiment, the installation part includes a binding hole 11a. The protective shell 1 has two opposite outer side walls. Each outer side wall is provided with a convex rib 11. Each convex rib 11 is provided with the binding hole 11a. The shape of the binding hole 11a can be any closed shape for the rope or the strap to pass through and be fixed by binding. The binding hole 11a can be bound to the column, the hanging rail and the like. In the embodiment, the installation part includes a first mounting plate 12. The first mounting plate 12 is arranged on one end of the outer side wall of the protective shell 1 away from the bottom shell 3. The first mounting plate 12 is provided with a fixing hole 12a. The outer side wall of the bottom shell 3 is provided with a second mounting plate 33 corresponding to the first mounting plate 12. The second mounting plate 33 is provided with a clamping hole 33a. The fixing hole 12a adopts a closed shape such as a circular shape or a square shape and the like. The clamping hole 33a adopts a semi-open shape such as a semicircular shape and the like. The purpose is to facilitate the quick disassembly of the bottom shell 3, and only the protective shell 1 is left to be installed and fixed on the wall and the like. The fixing hole 12a and the clamping hole 33a can be matched with fasteners such as screws or convex structures to realize the installation and fixation. The second mounting plate 33 and the clamping hole 33a are arranged to further strengthen the connection with the wall and the like, prevent the fiber distribution box 100 from swinging around the first mounting plate 12 when being blown by the wind, and thereby collide with the column and the like.

[0061] The utility model discloses still a kind of fiber distribution assembly 200.

[0062] Please refer to Figure 8 In an embodiment of the utility model, fiber distribution assembly 200 includes the fiber distribution box 100 of any one in above-mentioned embodiment, first hoop 220 and second hoop 230;Installation part includes first mounting plate 12, and first mounting plate 12 is arranged on one end of the outer side wall of protective shell 1 away from bottom shell 3, and the outer side wall of bottom shell 3 is provided with second mounting plate 33 corresponding to first mounting plate 12;First hoop 220 is detachably connected with first mounting plate 12, and second hoop 230 is detachably connected with second mounting plate 33.The specific structure of the fiber distribution assembly 200 refers to the above-mentioned embodiment, since the present fiber distribution assembly 200 adopts all technical solutions of the above-mentioned all embodiments, thus at least has all beneficial effects brought by the technical solutions of the above-mentioned embodiments, here will not be repeated.

[0063] In the embodiment, in order to adapt to the installation environment such as the column, the optical fiber distribution assembly 200 of the embodiment is provided with the optical fiber distribution box 100, the first clamp 220 and the second clamp 230, and the first clamp 220 and the second clamp 230 are used for being connected and fixed with the column. In order to cooperate with the clamps to be installed, the first mounting plate 12 and the second mounting plate 33 are further provided, the first mounting plate 12 is arranged on the outer side wall of the protection shell 1 and away from one end of the bottom shell 3, the outer side wall of the bottom shell 3 is provided with the second mounting plate 33 corresponding to the first mounting plate 12, the first mounting plate 12 can be provided with a folding structure, and the folding structure is hung on the first clamp 220, the second clamp 230 surrounds the second mounting plate 33 and the column, and the optical fiber distribution box 100 is prevented from swinging around the first clamp 220 when being blown by the wind, so that the optical fiber distribution box 100 is prevented from colliding with the column.

[0064] The above is only an exemplary embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation, direct / indirect application in other related technical fields under the technical concept of the utility model, and the contents of the utility model specification and drawings are included in the patent protection range of the utility model.

Claims

1. An optical fiber distribution box, characterized by, The optical fiber distribution box comprises: a protective shell (1) having a receiving cavity (1a) formed therein, a bottom wall of the protective shell (1) being provided with an opening (1b) communicating with the receiving cavity (1a), and an outer wall of the protective shell (1) being further provided with a mounting portion; a tray (2) provided with a winding post (21) and accommodated in the receiving cavity (1a); and a bottom shell (3) detachably connected with the protective shell (1) and closing the opening (1b), a top wall of the bottom shell (3) being connected with the tray (2), a bottom wall of the bottom shell (3) being formed with an adapter hole (31a) communicating with the receiving cavity (1a) and used for mounting an optical fiber adapter, and the bottom shell (3) being capable of driving the tray (2) to enter or exit the receiving cavity (1a) from the opening (1b).

2. The fiber distribution box of claim 1, wherein, An inner wall of the opening (1b) is provided with a first matching portion, and a side wall of the bottom shell (3) is provided with a second matching portion which is clamped with the first matching portion.

3. The fiber distribution box of claim 2, wherein, One of the first matching portion and the second matching portion is a dovetail (32), and the other is a dovetail groove (1b2).

4. The fiber distribution box of claim 1, wherein, An outer side wall of the protective shell (1) is provided with a first plug hole (1c), and a side wall of the bottom shell (3) is provided with a second plug hole (3b) corresponding to the first plug hole (1c). The optical fiber distribution box further comprises a plug pin (5) which is sequentially arranged in the first plug hole (1c) and the second plug hole (3b) and connects the protective shell (1) and the bottom shell (3).

5. The fiber distribution box of claim 1, wherein, The optical fiber distribution box further comprises a sealing member (4) which is arranged along an inner peripheral wall of the opening (1b) and sealingly connects the protective shell (1) and the bottom shell (3).

6. The fiber distribution box of claim 5, wherein, An inner wall of the opening (1b) is provided with a first sealing groove (1b1) extending along a circumference of the opening (1b), a side wall of the bottom shell (3) is slidingly connected with an inner wall of the first sealing groove (1b1), and the side wall of the bottom shell (3) is provided with a second sealing groove (3a) extending along the first sealing groove (1b1) and facing the first sealing groove (1b1). An inner wall of the first sealing groove (1b1) and an inner wall of the second sealing groove (3a) form a closed space, and the sealing member (4) is filled in the closed space.

7. The fiber distribution box according to any one of claims 1 to 6, wherein, A bottom wall of the bottom shell (3) is formed with a stepped portion (31), and the stepped portion (31) is formed with a first mounting surface (311) and a second mounting surface (312). A plurality of the adapter holes (31a) are arranged on the first mounting surface (311) and the second mounting surface (312).

8. The fiber distribution box of claim 7, wherein, The plurality of the adapter holes (31a) on the first mounting surface (311) are equidistantly arranged along a first direction, and the plurality of the adapter holes (31a) on the second mounting surface (312) are equidistantly arranged along the first direction. Each of the fitting holes (31a) on the first mounting surface (311) is staggered with another adjacent fitting hole (31a) on the second mounting surface (312).

9. The fiber distribution box of claim 1, wherein, The mounting portion comprises a mounting blind hole (1d) provided on the outer side wall of the protective shell (1) and a mounting through hole (1d1) provided on the bottom wall of the mounting blind hole (1d) and penetrating through the bottom wall of the mounting blind hole (1d); And / or, the mounting portion comprises a binding hole (11a), the protective shell (1) has two opposite outer side walls, each outer side wall is provided with a convex rib (11), and each convex rib (11) is provided with the binding hole (11a); And / or, the mounting portion comprises a first mounting plate (12), the first mounting plate (12) is provided on the outer side wall of the protective shell (1) away from the bottom shell (3), the first mounting plate (12) is provided with a fixing hole (12a), and the outer side wall of the bottom shell (3) is provided with a second mounting plate (33) corresponding to the first mounting plate (12), and the second mounting plate (33) is provided with a clamping hole (33a).

10. An optical fiber distribution assembly, comprising: The optical fiber distribution assembly comprises the optical fiber distribution box according to any one of claims 1 to 9, a first clamp (220) and a second clamp (230); The mounting portion comprises a first mounting plate (12), the first mounting plate (12) is provided on the outer side wall of the protective shell (1) away from the bottom shell (3), and the outer side wall of the bottom shell (3) is provided with a second mounting plate (33) corresponding to the first mounting plate (12); The first clamp (220) is detachably connected with the first mounting plate (12), and the second clamp (230) is detachably connected with the second mounting plate (33). The mounting portion comprises a first mounting plate (12), the first mounting plate (12) is provided on the outer side wall of the protective shell (1) away from the bottom shell (3), and the outer side wall of the bottom shell (3) is provided with a second mounting plate (33) corresponding to the first mounting plate (12);

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