Optical fiber connection box and optical fiber connection device

Abstract

The utility model discloses an optical fiber connection box and an optical fiber connection device, and the optical fiber connection box comprises a box body, an adapter module group, and a plug connector. A mounting cavity with an opening in one end is formed in the box body, and an insertion hole is formed in the surface of the box body; the adapter module is arranged in the mounting cavity, and an optical fiber connecting hole is formed in the end, facing the opening, of the adapter module and used for being connected with an optical fiber connector in an inserted mode. According to the optical fiber connection box provided by the utility model, the adapter module and the box body are connected through the plug connector in a plugging manner, so that the adapter module is fixed in the box body. Therefore, the technological process of ultrasonic welding is omitted, ultrasonic welding equipment does not need to be used, then the technological process is simplified, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of optical fibers, in particular to an optical fiber connection box and an optical fiber connection device. Background Art

[0002] Optical fiber transmission has the characteristics of strong anti-interference ability, high stability and long transmission distance, so it is widely used in the fields of communication and medical treatment. The optical fiber connection box is used to connect the optical fiber connector to realize the signal transmission and conversion between different optical fibers, and it also has the function of protecting the optical fiber connector.

[0003] The optical fiber connection box generally includes a box body and an adapter module disposed in the box body, wherein the adapter module is used to connect the optical fiber connector. In the existing optical fiber connection box, the adapter module is installed in the box body and the adapter module and the box body are fixed by ultrasonic welding. However, this assembly method leads to problems of complex process flow and high production cost. Utility Model Content

[0004] The main purpose of the utility model is to provide an optical fiber connection box, aiming to solve the problems of complex assembly process and high production cost of the existing optical fiber connection box.

[0005] To achieve the above-mentioned purpose, the utility model proposes a fiber optic connection box, comprising a box body, an adapter module and a plug-in component; the box body is formed with an installation cavity with an opening at one end, and a plug-in hole is provided on the surface of the box body; the adapter module is arranged in the installation cavity, and an optical fiber connection hole is provided at one end of the adapter module facing the opening, and the optical fiber connection hole is used to plug in the optical fiber connector; the plug-in component passes through the plug-in hole and is inserted in the adapter module to enable the box body and the adapter module to be plug-connected.

[0006] In one embodiment of the utility model, the connector is a plug, the socket is located at the edge of the opening, the adapter module is provided with a slot at one end close to the opening, and the plug passes through the socket and the slot in sequence to enable the box body and the adapter module to be plug-connected.

[0007] In one embodiment of the present invention, the jacks, the slots and the pins are provided in plurality, the jacks are arranged around the opening, and each pin is inserted into one jack and one slot;

[0008] And / or, a dovetail groove is provided on the inner edge of the opening, a dovetail block is protruding from the side surface of one end of the adapter module close to the opening, the adapter module is inserted into the installation cavity, and the dovetail block is embedded in the dovetail groove.

[0009] In one embodiment of the utility model, a connecting block is protruding from the end face of the box body opening, and a mounting seat is protruding from the end face of the adapter module having the optical fiber connecting hole. Both the connecting block and the mounting seat extend in a direction away from the opening, the jack is provided in the connecting block, and the slot is provided in the mounting seat.

[0010] In one embodiment of the utility model, a tie hole is provided on the outer side of the box body, and the tie hole is used to pass a tie to fix the optical fiber connection box.

[0011] In one embodiment of the utility model, the tie hole is provided in plurality, and the plurality of tie holes are arranged at intervals along the direction from the opening to the bottom of the box body, and a recess is provided between two tie holes;

[0012] And / or, at least two fixing holes are formed on the circumference of the box body, and the fixing holes are used to fix the box body.

[0013] In an embodiment of the present invention, the optical fiber connection box further comprises a cable management tray, which is disposed in the installation cavity and is detachably connected to an end of the adapter module away from the opening.

[0014] In one embodiment of the utility model, a hook is provided on one side of the cable management tray facing the adapter module, and a hole is provided on one end of the adapter module facing the cable management tray, and the hook is engaged in the hole to enable the adapter module to be connected to the cable management tray.

[0015] In one embodiment of the utility model, the optical fiber connection box further comprises a reinforcement member, a plurality of card blocks are convexly provided on one side of the reinforcement member, a reinforcement plate is provided on the other side, a mounting groove is provided between the reinforcement plate and the reinforcement member, the card block is clamped with the adapter module, the cable management tray passes through the mounting groove, and the reinforcement plate and the reinforcement member are respectively provided on both sides of the cable management tray;

[0016] And / or, the optical fiber connection box further includes a dust cap, and the dust cap is detachably inserted into the optical fiber connection hole.

[0017] The utility model also provides an optical fiber connection device, which includes an optical fiber connector and an optical fiber connection box as described above, wherein one end of the optical fiber connector is inserted into the optical fiber connection hole.

[0018] The optical fiber connection box proposed in the utility model includes a box body, an adapter module and a plug-in connector, wherein the box body forms an installation cavity with an opening at one end, and the adapter module is installed in the installation cavity through the opening. After the adapter module is installed in the box body, an optical fiber connection hole is opened at the end facing the opening, and the optical fiber connector is inserted into the optical fiber connection hole to realize signal transmission and conversion between different optical fibers. The present application connects the adapter module and the box body through a plug-in connector, without the need to use ultrasonic equipment, eliminating the ultrasonic welding process, simplifying the production process, and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0020] Figure 1 This is a schematic diagram of the structure of the optical fiber connection box of the utility model;

[0021] Figure 2 for Figure 1 Rear view of the fiber optic connection box;

[0022] Figure 3 This is an exploded view of the optical fiber connection box of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the box body in the optical fiber connection box of the utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the adapter module in the optical fiber connection box of the utility model;

[0025] Figure 6 This is a schematic diagram of the structure of the cable management box in the optical fiber connection box of the utility model;

[0026] Figure 7 This is a schematic diagram of the structure of a reinforcement member in the optical fiber connection box of the utility model;

[0027] Figure 8 The utility model is a schematic diagram of assembling the adapter module and the cable management box in the optical fiber connection box.

[0028] Description of Figure Numbers:

[0029]

[0030]

[0031] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0034] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In addition, in the present utility model, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. The meanings of "and / or" and "and / or" appearing in the full text are the same, both indicating that three parallel solutions are included. Taking "A and / or B as an example", it includes solution A, or solution B, or a solution that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0036] The utility model provides an optical fiber connection box 1.

[0037] Combination Figure 1-Figure 5As shown, in one embodiment of the utility model, it includes a box body 10, an adapter module 20 and a plug-in component; the box body 10 is formed with a mounting cavity 12 with an opening 11 at one end, and a plug-in hole is provided on the surface of the box body; the adapter module 20 is arranged in the mounting cavity 12, and an optical fiber connection hole 21 is provided at one end of the adapter module 20 facing the opening 11, and the optical fiber connection hole 21 is used to plug in the optical fiber connector; the plug-in component passes through the plug-in hole and is inserted in the adapter module to enable the box body and the adapter module to be plug-connected.

[0038] In this embodiment, the installation cavity 12 of the box body 10 is used to install various components of the optical fiber connection box 1, and the end of the box body 10 away from the opening 11 is chamfered to improve the aesthetics of the box body 10. The adapter module 20 is adapted to the installation cavity 12, so that after the adapter module 20 is installed in the installation cavity 12, the gap between the adapter module 20 and the cavity wall of the installation cavity 12 is reduced. Further, a sealing ring 60 can be arranged on the outside of the adapter module 20, and the sealing ring 60 is interference-fitted with the adapter module 20 and the inner wall of the box body 10, thereby improving the sealing effect between the adapter module 20 and the box body 10. The optical fiber connection hole 21 opened at the end of the adapter module 20 is exposed at the opening 11 of the box body 10. When the end of the optical fiber connector with the optical fiber is inserted into the optical fiber connection hole 21, it is connected with the optical fiber cable in the adapter module 20, thereby realizing optical fiber signal transmission and conversion.

[0039] At the same time, the present application designs the connection between the adapter module 20 and the box body 10 as a plug connection, which can also be a snap connection or a threaded connection. After the adapter module 20 is inserted into the installation cavity 12 through the opening 11, the adapter module 20 and the box body 10 are plugged and connected to fix the adapter module 20 in the box body 10. Therefore, the process flow of ultrasonic welding is omitted, and there is no need to use ultrasonic welding equipment, thereby simplifying the process flow and reducing production costs.

[0040] Combination Figure 3-Figure 5 As shown, in one embodiment of the utility model, the connector is a plug pin 30, the socket 14 is located at the edge of the opening 11, and a slot 22 is provided at one end of the adapter module 20 close to the opening 11. The plug pin 30 passes through the socket 14 and the slot 22 in sequence to enable the box body 10 and the adapter module 20 to be plugged and connected.

[0041] In this embodiment, when the adapter module 20 is inserted into the installation cavity 12, the socket 14 and the slot 22 correspond to each other, the shape and size of the plug 30 are adapted to the socket 14 and the slot 22, and a cantilever is protruded from the side wall of the plug 30. When the plug 30 is inserted into the socket 14, the hole wall of the socket 14 squeezes the cantilever to deform the cantilever; the plug 30 is further inserted into the slot 22, the cantilever is reset, and abuts against the groove wall of the slot 22, and the end of the cantilever abuts against the inner wall of the socket 14 of the box body 10, so that the plug 30 is stuck in the socket 14 and the slot 22. By inserting the plug 30 into the socket 14 and the slot 22, the box body 10 and the adapter module 20 are plugged and fixed. Compared with the existing ultrasonic welding method, it not only simplifies the process and reduces the production cost, but also improves the convenience of assembling the adapter module 20 and the box body 10. Furthermore, a mark is provided on the surface of the latch 30 to facilitate the assembler to confirm the direction of the latch 30 and improve the efficiency of installing the latch 30 .

[0042] Please continue to refer to Figure 3-Figure 5 As shown, in one embodiment of the present invention, there are multiple insertion holes 14, slots 22 and latches 30, and the multiple insertion holes 14 are arranged around the opening 11, and each latch 30 is inserted into a insertion hole 14 and a slot 22;

[0043] And / or, a dovetail groove 15 is formed on the inner edge of the opening 11 , a dovetail block 23 is protruded from the side surface of one end of the adapter module 20 close to the opening 11 , the adapter module 20 is inserted into the installation cavity 12 , and the dovetail block 23 is embedded in the dovetail groove 15 .

[0044] In this embodiment, the jacks 14 are provided on two opposite sides of the box body 10 and are located at the opening 11; the slots 22 are provided at positions matching the jacks 14 and are provided on two opposite sides of the adapter module 20. By providing a plurality of jacks 14, a plurality of slots 22 and a plurality of latches 30, the assembly stability between the adapter module 20 and the box body 10 is improved.

[0045] In the case where there are multiple jacks 14, slots 22 and latches 30, or not, the dovetail groove 15 provided on the end surface of the box body 10 is adapted in shape and size to the dovetail block 23 protruding from the surface of the adapter module 20. When the adapter module 20 is inserted into the mounting groove 53, the dovetail block 23 and the dovetail groove 15 can limit the adapter module 20 along the circumference of the opening 11, so that the jacks 14 provided on the surface of the box body 10 can be quickly aligned with the slots 22 provided on the surface of the adapter module 20, thereby improving the assembly efficiency of the adapter module 20 and the box body 10 when plugged and connected, and improving the structural stability of the two after assembly.

[0046] Combination Figure 4 and Figure 5As shown, in one embodiment of the utility model, a connecting block 13 is protrudingly provided on the end face of the opening 11 of the box body 10, and a mounting seat 24 is protrudingly provided on the end face of the adapter module 20 having the optical fiber connecting hole 21. Both the connecting block 13 and the mounting seat 24 extend in a direction away from the opening 11, the jack 14 is provided on the connecting block 13, and the slot 22 is provided on the mounting seat 24.

[0047] In this embodiment, the connection block 13 and the mounting seat 24 are both extended out of the opening 11, and the jack 14 and the slot 22 are arranged on the connection block 13 and the mounting seat 24, thereby improving the convenience of plugging and connecting the adapter module 20 and the box body 10. The connection blocks 13 are protruding on both sides of the opening 11, and the connection blocks 13 on both sides are provided with jacks 14, and the slots 22 are also provided on both sides of the mounting seat 24, that is, the adapter module 20 and the box body 10 are plugged and connected on both sides, thereby improving the connection strength. At the same time, the end face of the opening of the optical fiber connection hole 21 also extends to the outside of the opening 11, that is, when the optical fiber connector is inserted into the optical fiber connection hole, the contact area between the optical fiber connector and the hole wall of the optical fiber connection hole 21 is increased, thereby improving the installation strength of the optical fiber connector, and also improving the bending strength of the optical fiber connector after the optical fiber connector is inserted into the adapter module 20, thereby improving the service life of the optical fiber connector.

[0048] Furthermore, fixing holes 17 can be opened on the connecting block 13 and the mounting seat 24 to facilitate the fixed installation of the optical fiber connection box 1; threaded holes can also be opened on the connecting block 13 and the mounting seat 24 so that the box body 10 and the adapter module 20 can be threadedly connected by passing the rubber-coated nut through the threaded holes; slots can also be opened between the multiple sockets 14 provided on the connecting block 13, and slots can be opened between the multiple slots 22 on the mounting seat 24, so that after the adapter module 20 and the box body 10 are assembled, the connecting block 13 and the mounting seat 24 are assembled to form a concave and convex spaced structure, thereby reducing the structural weight of the box body 10 and the adapter module 20, thereby reducing the injection molding production cost; in addition, some of the multiple openings between the multiple sockets 14 on the connecting block 13 can also be used to hang dust caps and other parts.

[0049] Combination Figure 1 , Figure 2 and Figure 4 As shown, in one embodiment of the present invention, a tie hole 16 is provided on the outer side of the box body 10 , and the tie hole 16 is used to pass a tie to fix the optical fiber connection box 1 .

[0050] In this embodiment, the optical fiber connection box 1 is generally installed and fixed outdoors, such as on a network box, a wall, a utility pole, etc. By providing tie holes 16 on both sides of the box body 10, when the optical fiber connection box 1 is installed outdoors, the tie can be passed through the tie holes 16 and the optical fiber connection box 1 can be tied to a utility pole, a box, etc., thereby improving the convenience of installing the optical fiber connection box 1.

[0051] Please continue to refer to Figure 1 , Figure 2 and Figure 4 In one embodiment of the utility model, a plurality of tie holes 16 are provided, and the plurality of tie holes 16 are arranged at intervals along the direction from the opening 11 of the box body 10 to the bottom, and a recess is provided between two tie holes 16;

[0052] And / or, at least two fixing holes 17 are formed on the circumference of the box body 10 , and the fixing holes 17 are used to fix the box body 10 .

[0053] In this embodiment, the stability of the optical fiber connection box 1 after installation can be improved by providing a plurality of tie holes 16. At the same time, a recess is provided between every two tie holes 16 on the side of the box body 10, so that the operator can fix the optical fiber connection box 1 by means of a clamp, a clamp ring or the like which is sleeved on the recesses on both sides of the box body 10, thereby improving the convenience of fixing the optical fiber connection box 1.

[0054] In the case where a plurality of tie holes 16 are provided or not provided, at least two fixing holes 17 are provided on the surface of the box body 10, wherein at least one fixing hole 17 runs through both sides of the box body 10, so that the optical fiber connection box 1 can be fixed to the wall by screws passing through the fixing holes 17. It can be understood that the fixing hole 17 is preferably provided on the side of the box body 10 away from the opening 11 to avoid the adapter module 20. The remaining fixing holes 17 can be provided on the box body 10 near the opening 11 to improve the stability of the optical fiber connection box 1 and prevent the optical fiber connection box 1 from rotating after installation.

[0055] Combination Figure 3 , Figure 6 and Figure 8 As shown, in one embodiment of the present invention, the optical fiber connection box 1 further includes a cable management tray 40 , which is disposed in the installation cavity 12 and detachably connected to an end of the adapter module 20 away from the opening 11 .

[0056] In this embodiment, a fiber storage structure is provided on the cable tray 40 for storing optical fiber cables. The cable tray 40 is provided on a side of the adapter module 20 away from the opening 11, and the optical fiber connector is connected through the optical fiber cable, thereby realizing the transmission and conversion of different optical fiber signals. The surface of the cable tray 40 is provided with a plurality of reinforcing ribs to strengthen the structural strength of the cable tray 40. At the same time, the present application designs the adapter module 20 and the cable tray 40 to be detachably connected, thereby improving the convenience of assembling the cable tray 40 and the adapter module 20.

[0057] Please continue to refer to Figure 3 , Figure 6 and Figure 8 As shown, in one embodiment of the present invention, a hook 41 is provided on the side of the cable management tray 40 facing the adapter module 20, and a hole 27 is provided on the end of the adapter module 20 facing the cable management tray 40. The hook 41 is engaged in the hole 27 to enable the adapter module 20 to be connected to the cable management tray 40 by being engaged.

[0058] In this embodiment, the hook 41 is extended toward the direction of the adapter module 20, and the hook 41 has a long cantilever to improve the elasticity of the hook 41. At the same time, a protrusion is provided on one side of the hook 41. When the hook 41 is inserted into the hole 27, the protrusion abuts against the hole wall of the hole 27 to deform the hook 41; when the protrusion passes through the hole 27 and is located on the side of the hole 27 away from the cable tray 40, the hook 41 rebounds and resets, and at this time, the protrusion is engaged with the side of the adapter module 20 at the edge of the hole 27, so that the adapter module 20 and the cable tray 40 are engaged and connected. When the cable tray 40 and the adapter module 20 need to be separated, the hook 41 only needs to be pressed in the direction away from the protrusion of the protrusion to complete the unlocking, so that the adapter module 20 and the cable tray 40 are separated, thereby improving the convenience of disassembling and assembling the cable tray 40 and the adapter module 20.

[0059] Combination Figure 5-Figure 8 As shown, in one embodiment of the utility model, the optical fiber connection box 1 further includes a reinforcement member 50, a plurality of blocks 51 are convexly provided on one side of the reinforcement member 50, a reinforcement plate 52 is provided on the other side, a mounting groove 53 is provided between the reinforcement plate 52 and the reinforcement member 50, the block 51 is clamped with the adapter module 20, the cable management tray 40 passes through the mounting groove 53, and the reinforcement plate 52 and the reinforcement member 50 are respectively provided on both sides of the cable management tray 40;

[0060] And / or, the optical fiber connection box 1 further includes a dust cap, which is detachably inserted into the optical fiber connection hole 21 .

[0061] In this embodiment, the adapter module 20 is provided with a plurality of limiting holes 25 and a plurality of slots 26 on one side facing the reinforcement member 50, and the block 51 provided on the reinforcement member 50 is inserted into the slot 26 and engaged with the slot wall of the slot 26 to connect the reinforcement member 50 and the adapter module 20. At the same time, a plurality of positioning pins are provided on the side of the reinforcement member 50 provided with the block 51, and the positioning pins are inserted into the limiting holes 25 to limit and guide the reinforcement member 50, thereby improving the assembly efficiency of the reinforcement member 50 and the adapter module 20. A plurality of sliders are provided between the reinforcement plate 52 and the reinforcement member 50, and the sliders, the reinforcement plate 52 and the reinforcement member 50 are enclosed to form an installation slot 53. The end of the cable tray 40 facing the adapter module 20 is provided with a plurality of slide grooves, and each slide block is slidably disposed in a slide groove, that is, the cable tray 40 passes through the mounting groove 53 between the reinforcing plate 52 and the reinforcing member 50, so that the reinforcing plate 52 and the reinforcing member 50 are respectively located on both sides of the cable tray 40, and the cable tray 40 is connected to the adapter module 20 through the reinforcing member 50 and the reinforcing plate 52. At the same time, the reinforcing plate 52 has the effect of improving the structural strength of the cable tray 40, and a plurality of reinforcing ribs are convexly disposed on the surface of the cable tray 40, thereby further improving the structural strength of the cable tray 40.

[0062] In the case where the optical fiber connection box 1 is limited or not to include the reinforcement member 50, the dust cap disposed in the optical fiber connection hole 21 plays a role in preventing dust and water from entering the adapter module 20. When the optical fiber connection hole 21 of the optical fiber connection box 1 is not inserted with an optical fiber connector, or when part of the optical fiber connection hole 21 is not inserted with an optical fiber connector, the idle optical fiber connection hole 21 can be inserted with a dust cap to prevent dust, moisture, and mosquitoes from entering the optical fiber connection box 1, thereby improving the optical fiber signal transmission accuracy and service life of the optical fiber connection box 1.

[0063] The utility model also provides a fiber optic connection device, which includes a fiber optic connector and a fiber optic connection box 1. The specific structure of the fiber optic connection box 1 refers to the above embodiment. Since the fiber optic connection device adopts all the technical solutions of all the embodiments of the above fiber optic connection box 1, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here. Among them, one end of the fiber optic connector is inserted into the fiber optic connection hole 21, so that the optical fiber set in the fiber optic connector can realize signal transmission and conversion through the fiber optic connection box 1.

[0064] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An optical fiber connection box (1), characterized in that: include; A box body (10), wherein the box body (10) is formed with a mounting cavity (12) having an opening (11) at one end, and a plug hole (14) is formed on the surface of the box body (10); an adapter module (20), the adapter module (20) being arranged in the installation cavity (12), and an optical fiber connection hole (21) being provided at one end of the adapter module (20) facing the opening (11), the optical fiber connection hole (21) being used for plugging an optical fiber connector; as well as A plug connector is passed through the plug hole (14) and inserted into the adapter module (20) so that the box body (10) and the adapter module (20) are plug-connected.

2. The optical fiber connection box (1) according to claim 1, characterized in that: The plug connector is a plug pin (30), the plug hole (14) is located at the edge of the opening (11), and a slot (22) is provided at one end of the adapter module (20) close to the opening (11). The plug pin (30) passes through the plug hole (14) and the slot (22) in sequence, so that the box body (10) and the adapter module (20) are plug-connected.

3. The optical fiber connection box (1) according to claim 2, characterized in that: The plug holes (14), the slots (22) and the plug pins (30) are provided in plurality, the plurality of plug holes (14) are arranged around the opening (11), and each of the plug pins (30) is inserted into a plug hole (14) and a slot (22); And / or, a dovetail groove (15) is provided on the inner edge of the opening (11), a dovetail block (23) is protrudingly provided on the side surface of one end of the adapter module (20) close to the opening (11), the adapter module (20) is inserted into the installation cavity (12), and the dovetail block (23) is embedded in the dovetail groove (15).

4. The optical fiber connection box (1) according to claim 2, characterized in that: A connection block (13) is convexly provided on the end surface of the opening (11) of the box body (10), and a mounting seat (24) is convexly provided on the end surface of the adapter module (20) on which the optical fiber connection hole (21) is opened. Both the connection block (13) and the mounting seat (24) extend in a direction away from the opening (11), the insertion hole (14) is opened on the connection block (13), and the slot (22) is opened on the mounting seat (24).

5. The optical fiber connection box (1) according to any one of claims 1 to 4, characterized in that: The outer side of the box body (10) is provided with a tie hole (16), and the tie hole (16) is used for passing a tie to fix the optical fiber connection box (1).

6. The optical fiber connection box (1) according to claim 5, characterized in that: There are a plurality of tie holes (16), and the plurality of tie holes (16) are arranged at intervals along the direction from the opening to the bottom of the box body (10), and a recess is provided between two tie holes (16); And / or, at least two fixing holes (17) are provided on the circumference of the box body (10), and the fixing holes (17) are used to fix the box body (10).

7. The optical fiber connection box (1) according to any one of claims 1 to 4, characterized in that: The optical fiber connection box (1) also includes a cable management tray, which is arranged in the installation cavity (12) and is detachably connected to an end of the adapter module (20) away from the opening (11).

8. The optical fiber connection box (1) according to claim 7, characterized in that: A hook (41) is provided on one side of the cable management tray (40) facing the adapter module (20), and a clamping hole (27) is provided on one end of the adapter module (20) facing the cable management tray (40), and the hook (41) is clamped in the clamping hole (27) so that the adapter module (20) and the cable management tray (40) are clamped and connected.

9. The optical fiber connection box (1) according to claim 7, characterized in that: The optical fiber connection box (1) further comprises a reinforcing member (50), a plurality of clamping blocks (51) are protrudingly provided on one side of the reinforcing member (50), a reinforcing plate (52) is provided on the other side, a mounting groove (53) is provided between the reinforcing plate (52) and the reinforcing member (50), the clamping blocks (51) are clamped with the adapter module (20), the cable management tray (40) passes through the mounting groove (53), and the reinforcing plate (52) and the reinforcing member (50) are respectively provided on two sides of the cable management tray (40); And / or, the optical fiber connection box (1) further comprises a dust cap, and the dust cap is detachably inserted into the optical fiber connection hole (21).

10. An optical fiber connection device, characterized in that: The optical fiber connection device comprises an optical fiber connector and an optical fiber connection box (1) according to any one of claims 1 to 9, and one end of the optical fiber connector is inserted into the optical fiber connection hole (21).

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