CN210639318U - Optical cable distribution frame supporting extended function - Google Patents

Abstract

The utility model discloses an optical cable distribution frame supporting extended function, including optical cable box and a plurality of optical fiber interface module, the optical cable box includes lower casing, upper casing, support frame and face guard, lower casing and upper casing constitute the drawer structure, the support frame includes positive panel and upper panel, upper panel and positive panel enclose into the extension space that is used for installing and holding the main control circuit board, the front panel is installed in the front end of lower casing, be formed with the module bayonet socket that corresponds with the optical fiber interface module on the positive panel, be formed with the module window that corresponds with the module bayonet socket on the face guard; the mask is arranged on the front surface of the front panel, the module window is opposite to the corresponding module bayonet, the optical fiber interface module is arranged in the corresponding module bayonet, and the front end of the optical fiber interface module is accommodated in the corresponding module window. The utility model relates to an optical cable distribution frame that supports extended functionality that both can regard as traditional optical cable distribution frame and can regard as intelligent optical cable distribution frame again.

Description

Optical cable distribution frame supporting extended function

Technical Field

The utility model relates to a distribution frame specifically relates to an optical cable distribution frame who supports extended functionality.

Background

A patch panel is a device used for and capable of making provisioning connections to end-user lines or trunks. The distribution frame is the most important component in the management subsystem, and is a hub for realizing cross connection of two subsystems, namely a vertical trunk and horizontal wiring. Distribution frames are typically mounted on cabinets or walls. By installing accessories, the distribution frame can meet the requirements of UTP, STP, coaxial cable, optical fiber and audio and video in a whole line. Common distribution frames used in network engineering are copper cable distribution frames and optical cable distribution frames.

The optical cable distribution frame is distribution connection equipment between optical cables and optical communication equipment or between optical communication equipment, also called optical fiber distribution frame (ODF), and is used for terminating and distributing local side trunk optical cables in an optical fiber communication system, and can conveniently realize connection, distribution and scheduling of optical fiber lines. Fiber organizer supports the securing, splicing, and distribution management of single mode or multi-mode fiber optic cables.

Conventional optical cable distribution frames include an optical cable box and a plurality of fiber optic interface modules embedded into the front panel of the optical cable box to form an integral fiber management unit. The constructor firstly inserts the tail fiber into the tail end interface of each optical fiber interface module, and then welds each tail fiber and the optical fiber corresponding to the optical cable at the welding disc in the optical cable box. The machine room manager can freely plug the optical fiber jumper in the front end interface of the optical fiber interface module according to the requirement, and make corresponding label identification. To the various deficiencies of traditional optical fiber distribution frame, a novel distribution frame, namely an intelligent optical cable distribution frame appears in the current market. The electronic optical cable distribution frame is a system for real-time management of optical fiber jumpers in the wiring process by adopting a computer technology and electronic distribution equipment. Because traditional optical cable distribution frame all has fixed specification and dimension, when upgrading traditional optical cable distribution frame to intelligent optical cable distribution frame, the space of reserving for intelligent optical cable distribution frame integrated main control circuit board, display module, photoelectric monitoring module etc. is very limited, consequently, how to integrate main control circuit board, display module, monitoring module etc. on limited optical cable box space, becomes the technical problem that present urgent need solved.

Disclosure of Invention

In order to solve the technical problem, the utility model discloses structure to traditional optical cable distribution frame is improved, provides one kind and both can regard as traditional optical cable distribution frame to regard as the support extended functionality's of intelligent optical cable distribution frame again.

The technical scheme of the utility model is realized like this:

an optical cable distribution frame supporting an expansion function comprises an optical cable box and a plurality of optical fiber interface modules, wherein the optical cable box comprises a lower shell, an upper shell, a support frame and a face mask, the lower shell and the upper shell form a drawer structure, the support frame comprises a front panel and an upper panel, the upper panel is fixedly connected to the top edge of the front panel and extends backwards, an expansion space for installing and containing a main control circuit board is defined by the upper panel and the front panel, the front panel is installed at the front end of the lower shell, a plurality of module bayonets which correspond to the optical fiber interface modules one by one are formed in the front panel, and the module bayonets are arranged in one row or a plurality of rows along the length direction; a plurality of module windows which are in one-to-one correspondence with the plurality of module bayonets are formed on the face mask; the bottom of the face mask is detachably and fixedly connected with the lower shell, the top of the face mask is detachably and fixedly connected with the upper panel, the face mask covers the front face of the front panel, the module window is opposite to the corresponding module bayonet, the optical fiber interface module is installed in the corresponding module bayonet, and the front end of the optical fiber interface module is accommodated in the corresponding module window.

Furthermore, the support frame further comprises an upper edge, the upper edge is fixedly connected to the outer side edge of the upper panel and extends downwards, and the upper edge, the upper panel and the front panel enclose the expansion space.

Furthermore, a function expansion area is formed on the front panel, a function cover for covering the function expansion area is formed on the face cover, and a position avoiding window is formed on the function cover.

Furthermore, the module bayonet is arranged close to the bottom edge of the front panel, a monitoring window is formed on the front panel above the module bayonet, an accommodating cavity corresponding to the monitoring window is formed on the face cover, and the bottom of the accommodating cavity is communicated with the module window.

Furthermore, the lower shell comprises a lower bottom plate, a left lower side plate and a right lower side plate, wherein the left lower side plate and the right lower side plate extend upwards from the left side and the right side of the lower bottom plate; the utility model discloses a front panel, including positive panel, left mounting panel and right mounting panel, the left side mounting panel rigid coupling in on the left side curb plate down, right side mounting panel rigid coupling in on the right side curb plate down, make the positive panel is fixed in the front end of casing down, the top panel with keep away a breach just relative.

Furthermore, the front end of the lower bottom plate extends forwards to form a wire arranging tray, and a plurality of wire arranging through holes are formed in the wire arranging tray.

Further, the structure that fixed connection can be dismantled with lower casing to the face guard bottom is: a plurality of first fixing bayonets are formed on the wire arranging tray at intervals, corresponding to each first fixing bayonet, a first clamping hook is formed at the bottom of the face mask, and the first clamping hook is connected with the first fixing bayonets in a clamping manner; the top of the mask and the upper panel are detachably and fixedly connected, and the structure is as follows: the upper panel is provided with a plurality of second fixing bayonets at intervals, the second fixing bayonets correspond to the second fixing bayonets, the top of the face mask is provided with a second clamping hook, and the second clamping hook is connected with the second fixing bayonets in a buckling mode.

Furthermore, the lower shell also comprises a rear lower side plate which is formed by extending upwards from the rear end of the lower bottom plate, and position-avoiding notches are formed in the positions, close to the two ends, of the rear lower side plate; the upper shell further comprises a rear upper side plate formed by extending downwards from the rear end of the upper top plate; the lower bottom plate is provided with a rebound device at a position close to the avoidance notch, and a telescopic rod of the rebound device penetrates through the avoidance notch and is attracted with the rear upper side plate together.

Furthermore, a fiber melting disc is installed on a lower base plate between the support frame and the rear lower side plate, and an optical cable grounding column is installed on the lower base plate between the support frame and the rear lower side plate.

Furthermore, the function expansion area is located in the center of the front panel, the face mask is composed of three sub face masks, the function mask is arranged on the middle sub face mask, and the two sub face masks on the left side and the right side are symmetrically arranged.

The utility model has the advantages that: the utility model discloses a design into the form of compriseing casing, last casing, support frame and face guard down with traditional optical cable distribution frame's optical cable box, formed an optical cable distribution frame who supports extended functionality, wherein, lower casing constitutes the drawer structure with last casing, can be when carrying out the butt fusion and transferring the line, and the casing is operating under pulling out to there is great operating space. The support frame mainly comprises positive panel, top panel and last border, and the top panel rigid coupling extends backward in the topside of positive panel, has formed a type of falling L structure, and the top panel is used for the fixed main control circuit board of installation and realizes the dismantled fixed connection with the top of face guard, and the dismouting of being convenient for very of this structure. The upper edge is fixedly connected to the outer side edge of the upper panel and extends downwards, so that the upper edge, the upper panel and the front panel form an expansion space for accommodating the main control circuit board, and therefore when the electronic optical cable distribution frame is used as the electronic optical cable distribution frame, the main control circuit board of the electronic optical cable distribution frame can be horizontally installed and accommodated in the expansion space, for example, the main control circuit board can be locked on the upper panel through a fastener, and the upper edge is used for protecting the main control circuit board, so that semi-closed management of the main control circuit board is realized. The main control circuit board is horizontally arranged in the expansion space, the longitudinal arrangement of the optical fiber interface module cannot be influenced, and the connection between the tail optical fiber and the tail end interface of the optical fiber interface module is facilitated. The module bayonet formed on the front panel is used for fixedly mounting the optical fiber interface module, so that a plurality of optical fiber interface modules embedded into the support frame can form an integral optical fiber management unit. The plurality of module bayonets are arranged into one row or a plurality of rows along the length direction, and the optical fiber interface module is also correspondingly arranged into one row or a plurality of rows, preferably, arranged into one row, orderly and orderly, and is convenient for set up the photoelectric monitoring module that is used for detecting whether the optical fiber jumper wire inserts in the optical fiber interface module above the optical fiber interface module. The mask is typically injection molded from a plastic material on the front face of the front panel to provide a desired appearance. The face mask is formed with a module window capable of accommodating the front end interface of the optical fiber interface module. Preferably, the utility model discloses still on the positive panel innovation design function extension district and monitoring window, function extension district can install the demonstration mutual interface module or the display screen module of electronic optical cable distribution frame on it. Through the monitoring window, the branch board of the main control circuit board of the electronic optical cable distribution frame can extend out to the front end of the optical fiber interface module, and then the photoelectric monitoring module for monitoring and detecting whether the optical fiber jumper is inserted into the optical fiber interface module is installed on the branch board, so that whether the function of detecting the optical fiber jumper insertion is realized by the expansion integration monitoring optical fiber interface module.

Drawings

Fig. 1 is a perspective view of an optical cable distribution frame supporting extended functions according to the present invention;

fig. 2 is a perspective view of another view angle of the optical cable distribution frame supporting the extended function of the present invention;

fig. 3 is a side view of an optical cable distribution frame supporting extended functionality of the present invention;

fig. 4 is a top view of the cable distribution frame supporting the extended function of the present invention;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

fig. 6 is a bottom view of the optical cable distribution frame supporting the extended function of the present invention;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 6;

fig. 8 is a perspective view of the middle support frame of the present invention;

fig. 9 is an assembly view of the middle support frame and the lower housing of the present invention;

fig. 10 is an assembly view of the upper and lower housings of the present invention;

fig. 11 is a perspective view of the mask of the present invention with the central functional expansion area;

fig. 12 is a perspective view of the cable distribution frame supporting the extended function in the pulled-out state.

Detailed Description

In order to make the present invention more obvious and understandable, the following description of the embodiments of the present invention is made in detail with reference to the accompanying drawings. Fig. 1 is a perspective view of an optical cable distribution frame supporting extended functions according to the present invention; fig. 2 is a perspective view of another view angle of the optical cable distribution frame supporting the extended function of the present invention; fig. 3 is a side view of an optical cable distribution frame supporting extended functionality of the present invention; fig. 4 is a top view of the cable distribution frame supporting the extended function of the present invention; FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4; fig. 6 is a bottom view of the optical cable distribution frame supporting the extended function of the present invention; fig. 7 is a sectional view taken along line B-B in fig. 6.

Referring to fig. 1, 2, 3, 4, 5, 6 and 7, an optical cable distribution frame supporting an expansion function includes an optical cable box 1 and a plurality of optical fiber interface modules 2, the optical cable box includes a lower housing 11, an upper housing 12, a support frame 13 and a face mask 14, the lower housing and the upper housing form a drawer structure, the support frame includes a front panel 131 and an upper panel 132, the upper panel is fixedly connected to a top edge of the front panel and extends rearward, the upper panel and the front panel enclose an expansion space 15 for installing and accommodating a main control circuit board 100, the support frame further includes an upper rim 133, the upper rim is fixedly connected to an outer side edge of the upper panel and extends downward, and the expansion space 15 is enclosed by the upper rim, the upper panel and the front panel. The front panel is arranged at the front end of the lower shell, a plurality of module bayonets 1311 which correspond to the optical fiber interface modules one by one are formed on the front panel, and the module bayonets are arranged in one row or a plurality of rows along the length direction; a plurality of module windows 141 corresponding to the plurality of module bayonets one to one are formed on the face mask; the bottom of the face mask is detachably and fixedly connected with the lower shell, the top of the face mask is detachably and fixedly connected with the upper panel, the face mask covers the front face of the front panel, the module window is opposite to the corresponding module bayonet, the optical fiber interface module is installed in the corresponding module bayonet, and the front end of the optical fiber interface module is accommodated in the corresponding module window.

Among the above-mentioned structure, through the form of designing into the optical cable box of traditional optical cable distribution frame by lower casing, last casing, support frame and face guard are constituteed, formed one kind and supported extended function's optical cable distribution frame, wherein, lower casing constitutes drawer structure with last casing, can be when carrying out the butt fusion and transferring the line, pull out lower casing and be operating to there is great operating space. The support frame mainly comprises positive panel, top panel and last border, and the top panel rigid coupling extends backward in the topside of positive panel, has formed a type of falling L structure, and the top panel is used for the fixed main control circuit board of installation and realizes the dismantled fixed connection with the top of face guard, and the dismouting of being convenient for very of this structure. The upper edge is fixedly connected to the outer side edge of the upper panel and extends downwards, so that the upper edge, the upper panel and the front panel enclose an expansion space for accommodating the main control circuit board, and therefore when the electronic optical cable distribution frame is used as the electronic optical cable distribution frame, the main control circuit board 100 of the electronic optical cable distribution frame can be horizontally installed and accommodated in the expansion space, for example, the main control circuit board can be locked on the upper panel through a fastener, and the upper edge is used for protecting the main control circuit board, so that semi-closed management of the main control circuit board is realized. The main control circuit board is horizontally arranged in the expansion space, the longitudinal arrangement of the optical fiber interface module cannot be influenced, and the connection between the tail optical fiber and the tail end interface of the optical fiber interface module is facilitated. The module bayonet formed on the front panel is used for fixedly mounting the optical fiber interface module, so that a plurality of optical fiber interface modules embedded into the support frame can form an integral optical fiber management unit. The plurality of module bayonets are arranged into one or more rows along the length direction, and the optical fiber interface modules are correspondingly arranged into one or more rows, preferably, into one row, orderly and conveniently arranged above the optical fiber interface modules, and the photoelectric monitoring module 200 for detecting whether the optical fiber patch cord is inserted into the optical fiber interface modules is arranged above the optical fiber interface modules. The mask is typically injection molded from a plastic material on the front face of the front panel to provide a desired appearance. The face mask is formed with a module window capable of accommodating the front end interface of the optical fiber interface module. The optical fiber interface module is used as a relay station for connecting optical cables.

Preferably, referring to fig. 1 and 11, a functional expansion area 1312 is formed on the front panel, and a functional cover 142 for covering the functional expansion area is formed on the face mask, and the functional cover has a space avoidance window 1421 thereon. Like this, through form the function extension district on the positive panel, can install electronic cable distribution frame's demonstration interactive interface module or display screen module on it, for example the utility model discloses the people show interactive interface module who proposes in another patent application, should show interactive interface module and be in the same place display screen module, control switch module and keysets integration, control switch module is knob switch or key panel switch. Meanwhile, the function cover which covers the display interaction interface module is formed on the face cover, so that the display interaction interface module can be installed in the space inside the function cover, and the expansion of the traditional optical cable distribution frame to the electronic optical cable distribution frame with the display function is easily realized. Through setting up on the function cover and keeping away a window, for example display window and switch window, the display window can keep away the liquid crystal display of a display screen module, and the switch window can keep away the knob of a control knob switch or the button of button panel switch. The control switch module is convenient to operate, and the function of switching the display content of the liquid crystal display screen is realized. If when not using as the distribution frame of electronic optical cable, keep away a form that the window can the blind plate and the integrative injection moulding of face guard, constructor can open the blind plate on the panel according to follow-up functional extension actual demand. The function expansion area can be arranged in the middle of the whole distribution frame, can be designed between any two of the optical fiber interface modules, and can also be designed at the edge position close to two ends.

Preferably, referring to fig. 1, 8 and 9, the module bayonet is disposed near a bottom edge of the front panel, a monitoring window 1313 is formed on the front panel above the module bayonet, an accommodating chamber corresponding to the monitoring window is formed on the face mask, and a bottom of the accommodating chamber is communicated with the module window. Therefore, by arranging the monitoring window on the front panel, the branch board of the main control circuit board can extend out to the front end of the optical fiber interface module through the monitoring window, and then the photoelectric monitoring module for monitoring whether the optical fiber jumper is inserted into the optical fiber interface module is arranged on the branch board, so that whether the optical fiber interface module has the function of detecting the insertion of the optical fiber jumper can be monitored. Meanwhile, an accommodating cavity corresponding to the monitoring window is formed in the face mask, and the branch plate and the photoelectric monitoring module can be accommodated in the accommodating cavity, so that the protection effect is achieved.

Preferably, referring to fig. 9 and 10, the lower casing includes a lower bottom plate 111 and a left lower side plate 112 and a right lower side plate 113 extending upward from the left and right sides of the lower bottom plate, the upper casing includes an upper top plate 121, a left upper side plate 122 extending downward from the left side of the upper top plate, a left support plate 123 extending inward from the left upper side plate, a right upper side plate 124 extending downward from the right side of the upper top plate, and a right support plate 125 extending inward from the right upper side plate, a clearance 1211 is formed at the front end of the upper top plate, and the lower bottom plate is supported on the left support plate and the right support plate, so that the lower casing can be pulled in the upper casing; the both ends are formed with left mounting panel 134 and right mounting panel 135 that extend backward about the positive panel, a left side mounting panel rigid coupling in on the left side lower plate, right side mounting panel rigid coupling in on the right side lower plate, make the positive panel is fixed in the front end of casing down, the top panel with keep away a breach just relative. Therefore, the lower bottom plate, the left lower side plate and the right lower side plate of the lower shell form a U-shaped structure, a support frame can be arranged at the front end of the U-shaped structure, and a fiber melting disc is arranged on the lower bottom plate. The upper top plate, the upper left side plate and the upper right side plate of the upper shell form an n-type structure, the n-type structure can be matched with the U-shaped lower shell to form a surrounding structure in a shape like a Chinese character kou, and the lower bottom plate of the lower shell is supported on the left supporting plate and the right supporting plate, so that the function that the lower shell slides relative to the upper shell is realized, and the drawing function of the drawer structure is realized. And a left mounting plate and a right mounting plate are formed at the left end and the right end of the front plate, so that the support frame can be conveniently and fixedly connected with the lower shell, and the support frame is fixed at the front end of the lower shell. Preferably, a plurality of hooks 136 are formed at the bottom edge of the front panel, a slot 1111 corresponding to the hook is formed on the lower bottom plate, and the hook is hung on the slot. In order to facilitate the installation of the upper shell on the equipment rack, a left installation lug 1221 is formed at the front end of the left upper side plate; a right mounting tab 1241 is formed at the front end of the right upper side plate.

Preferably, referring to fig. 1 and 9, the front end of the lower plate extends forward to form a wire management tray 114, and a plurality of wire management through holes 1141 are formed on the wire management tray. Therefore, after the optical fiber jumper is inserted into the optical fiber interface module on the front panel, the wire rods can be placed on the wire arranging tray and then guided to two sides of the cabinet. The wire can also be guided to the lower layer through the wire arranging through hole of the wire arranging tray.

Preferably, referring to fig. 5, 6, 8 and 9, the structure for detachably and fixedly connecting the bottom of the mask and the lower shell is as follows: a plurality of first fixed bayonets 1142 are formed on the wire arranging tray at intervals, corresponding to each first fixed bayonet, a first hook 143 is formed at the bottom of the mask, and the first hooks are connected with the first fixed bayonets in a buckling manner; the top of the mask and the upper panel are detachably and fixedly connected, and the structure is as follows: a plurality of second fixing bayonets 1321 are formed on the upper panel at intervals, correspond to each second fixing bayonet, a second hook 144 is formed at the top of the face mask, and the second hook is connected with the second fixing bayonet in a buckling mode. Like this, through first trip and first fixed bayonet socket buckle connection, can realize the fixed connection dismantled of face guard bottom and reason line tray. Through the second trip with the fixed bayonet socket buckle of second is connected, can realize the fixed connection dismantled of face guard top and top panel. During specific implementation, the first hook at the bottom of the mask is downwards inserted into the first fixing bayonet and hooks the first fixing bayonet. The second clamping hook at the top of the mask is horizontally arranged and hooks the second fixing bayonet. Like this, the buckle is firm and convenient to detach.

Preferably, referring to fig. 2 and 9, the lower housing further includes a rear lower side plate 115 extending upward from the rear end of the lower bottom plate, and a clearance notch 1151 is formed at a position of the rear lower side plate near both ends; the upper housing further includes a rear upper side plate 126 formed to extend downward from a rear end of the upper top plate; the lower bottom plate is provided with a rebound device 3 at a position close to the avoidance notch, and a telescopic rod of the rebound device penetrates through the avoidance notch and is attracted with the rear upper side plate together. Like this, through the position installation bounce-back ware that is close to on the lower plate and keeps away a notch, can hold the back side board of last casing, and then with lower casing and last casing location together, and when optical cable box was opened to needs, press reason line tray or the face guard part of casing front end down, can pop out the part with lower casing and support frame, be convenient for pull out lower casing and melt operations such as fibre. The rebounder is also called a spring pressing device, which is prior art and will not be described in detail herein. In order to facilitate the entry of the optical cable into the optical cable box, the rear lower side plate is provided with an optical cable joint 7, and the optical cable 300 can enter the optical cable box through the optical cable joint. A notch 1261 for avoiding the optical cable is formed on the rear upper side plate.

Preferably, referring to fig. 9, a fiber melting disc 4 is mounted on the lower base plate between the supporting frame and the rear lower side plate, and an optical cable grounding column 5 is mounted on the lower base plate between the supporting frame and the rear lower side plate. Therefore, the fiber melting disc can be provided with one layer or two or more layers according to the number of the interfaces, and the reasonable layout of the optical fibers is realized. The optical cable grounding column is used for connecting a grounding wire of an optical cable, and the grounding function of the optical cable is realized.

The supporting frame can be designed into a split structure or an integral structure, preferably, the front panel, the upper panel and the upper edge are integrally formed, the upper panel is formed by bending the top of the front panel backwards, and the upper edge is formed by bending the outer side edge of the upper panel downwards. Like this, the support frame integrated into one piece can reduce the dismouting between each panel. The support frame is preferably made of metal by integral molding.

The face guard can design for split type structure, also can be monolithic structure, because the preferred plastic material of face guard, consequently, the preferred split type structure that adopts of face guard, refer to fig. 1, at this moment, as an preferred embodiment, the utility model discloses locate the central point of positive panel with the function expansion district and put, at this moment, the preferred three sub-face guard that adopts of face guard constitutes, on the sub-face guard in the middle of locating, two sub-face guard symmetries on both sides set up about the function cover. Therefore, the two sub-masks on the two sides can adopt the same injection mold, and the mold opening cost is reduced. However, this is a preferred embodiment of the present invention, and the mask may be designed as a unitary structure as desired.

Preferably, referring to fig. 1, the face of the mask is affixed with a label 6 for managing the fiber optic interface module. The label is adhered to the face mask, so that identification management can be performed on each optical fiber interface module, and preferably, the label is adhered to the face mask above the optical fiber interface module, so that the label corresponds to each optical fiber interface module.

The above embodiments have been described in detail with reference to the accompanying drawings. Those skilled in the art can make various modifications and changes to the above embodiments without departing from the spirit of the present invention, and the scope of the present invention is also covered by the appended claims.

Claims (10)

1. The utility model provides a support extended functionality's optical cable distribution frame which characterized in that: the optical cable box comprises an optical cable box (1) and a plurality of optical fiber interface modules (2), wherein the optical cable box comprises a lower shell (11), an upper shell (12), a support frame (13) and a face shield (14), the lower shell and the upper shell form a drawer structure, the support frame comprises a front panel (131) and an upper panel (132), the upper panel is fixedly connected to the top edge of the front panel and extends backwards, an expansion space (15) for installing and containing a main control circuit board is defined by the upper panel and the front panel, the front panel is installed at the front end of the lower shell, a plurality of module bayonets (1311) which correspond to the optical fiber interface modules one to one are formed on the front panel, and the module bayonets are arranged in one row or a plurality of rows along the length direction; a plurality of module windows (141) which are in one-to-one correspondence with the plurality of module bayonets are formed on the face mask; the bottom of the face mask is detachably and fixedly connected with the lower shell, the top of the face mask is detachably and fixedly connected with the upper panel, the face mask covers the front face of the front panel, the module window is opposite to the corresponding module bayonet, the optical fiber interface module is installed in the corresponding module bayonet, and the front end of the optical fiber interface module is accommodated in the corresponding module window.

2. The optical cable distribution frame supporting extended functionality of claim 1, wherein: the support frame further comprises an upper edge (133), the upper edge is fixedly connected to the outer side edge of the upper panel and extends downwards, and the upper edge, the upper panel and the front panel enclose the expansion space (15).

3. The optical cable distribution frame supporting extended functionality of claim 1, wherein: the front panel is formed with a function expansion area (1312), the face mask is formed with a function cover (142) for covering the function expansion area, and the function cover is provided with a position avoiding window (1421).

4. An optical cable distribution frame supporting extended functionality according to claim 3, wherein: the module bayonet is close to the bottom edge of the front panel, a monitoring window (1313) is formed on the front panel above the module bayonet, an accommodating cavity corresponding to the monitoring window is formed on the face cover, and the bottom of the accommodating cavity is communicated with the module window.

5. The optical cable distribution frame supporting extended functionality of claim 1, wherein: the lower shell comprises a lower bottom plate (111), a left lower side plate (112) and a right lower side plate (113) which are formed by extending upwards from the left side and the right side of the lower bottom plate, the upper shell comprises an upper top plate (121), a left upper side plate (122) which is formed by extending downwards from the left side of the upper top plate, a left supporting plate (123) which is formed by extending inwards from the left upper side plate, a right upper side plate (124) which is formed by extending downwards from the right side of the upper top plate and a right supporting plate (125) which is formed by extending inwards from the right upper side plate, the front end of the upper top plate is provided with a position avoiding notch (1211), the lower bottom plate is supported on the left supporting plate and the right supporting plate, and the lower shell can be pulled in the upper shell; the left and right ends of positive panel are formed with left mounting panel (134) and right mounting panel (135) that extend backward, left side mounting panel rigid coupling in on the curb plate under a left side, right side mounting panel rigid coupling in on the curb plate under the right side, make the positive panel is fixed in the front end of casing down, the top panel with keep away a breach just relative.

6. The optical cable distribution frame supporting extended functions of claim 5, wherein: the front end of the lower bottom plate extends forwards to form a wire arranging tray (114), and a plurality of wire arranging through holes (1141) are formed in the wire arranging tray.

7. The optical cable distribution frame supporting extended functionality of claim 6, wherein: the face guard bottom with the fixed connection's that can dismantle of inferior valve body structure is: a plurality of first fixed bayonets (1142) are formed on the wire arranging tray at intervals, corresponding to each first fixed bayonet, a first clamping hook (143) is formed at the bottom of the mask, and the first clamping hooks are connected with the first fixed bayonets in a clamping manner; the top of the mask and the upper panel are detachably and fixedly connected, and the structure is as follows: a plurality of second fixing bayonets (1321) are formed in the upper panel at intervals, correspond to each second fixing bayonet, a second clamping hook (144) is formed at the top of the face mask, and the second clamping hook is connected with the second fixing bayonet in a buckling mode.

8. The optical cable distribution frame supporting extended functions of claim 5, wherein: the lower shell further comprises a rear lower side plate (115) formed by upwards extending from the rear end of the lower bottom plate, and position-avoiding notches (1151) are formed in the positions, close to the two ends, of the rear lower side plate; the upper shell further comprises a rear upper side plate (126) formed by extending downwards from the rear end of the upper top plate; the lower bottom plate is provided with a rebound device (3) at a position close to the avoiding notch, and a telescopic rod of the rebound device penetrates through the avoiding notch and the rear upper side plate to be attracted together.

9. The optical cable distribution frame supporting extended functionality of claim 8, wherein: the fiber melting disc (4) is installed on the lower base plate between the support frame and the rear lower base plate, and the optical cable grounding column (5) is installed on the lower base plate between the support frame and the rear lower base plate.

10. An optical cable distribution frame supporting extended functionality according to claim 3, wherein: the function expansion area is located in the center of the front panel, the face mask is composed of three sub face masks, the function mask is arranged on the middle sub face mask, and the two sub face masks on the left side and the right side are symmetrically arranged.

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