Optical fiber cross-connecting box

Abstract

The utility model relates to the technical field of optical fiber cross-connecting, in particular to an optical fiber cross-connecting box. The optical fiber cross-connecting box comprises a cross-connecting box body, an air inlet cavity and an installation cavity are sequentially formed in the cross-connecting box body in the height direction, a filtering cavity and an air guiding cavity are sequentially formed in the air inlet cavity in the width direction, an air inlet communicated with an air guiding cavity body is formed in the side wall of the cross-connecting box body, and a filtering part correspondingly matched with the air inlet is arranged in the air guiding cavity. A first communication port communicated with the filtering part is formed in the side wall of the air guide cavity, an air inlet part is fixedly arranged at the first communication port, a second communication port communicated with the mounting cavity is formed in the air guide cavity in the height direction, and an air outlet communicated with the mounting cavity is formed in the upper end of the cross-connecting box body. According to the utility model, most dust in the air can be filtered by arranging the filtering part, so that the dust in the air flow entering the mounting cavity is reduced, the dust accumulation in the cross-connecting box can be better prevented, and the risk of fire hazard is reduced.

Description

Technical Field

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

[0002] As people's demand for network bandwidth continues to increase, more and more users choose to use fiber-optic communication. The fiber-optic junction box is one of the important components in the fiber-optic communication network. It is equipped with a fiber-optic distribution frame inside, which can connect, separate and protect the fiber-optic lines, so that the fiber-optic lines can be orderly wired and distributed. Existing fiber-optic junction boxes generally use cooling fans for heat dissipation. However, the cooling fan is easy to blow external dust into the fiber-optic junction box, causing dust accumulation inside the fiber-optic junction box, which is easy to cause fire when static electricity occurs. Utility Model Content

[0003] The utility model provides an optical fiber junction box, which can overcome certain defects of the prior art.

[0004] According to the utility model, an optical fiber junction box includes a junction box body, an air inlet cavity and an installation cavity are sequentially formed in the junction box body along the height direction, a filter cavity and an air guide cavity are sequentially formed in the air inlet cavity along the width direction, an air inlet port connected to the air guide cavity body is formed on the side wall of the junction box body, a filter portion corresponding to the air inlet port is provided in the air guide cavity, a first connecting port connected to the filter portion is formed on the side wall of the air guide cavity, an air inlet portion is fixedly provided at the first connecting hole, a second connecting port connected to the installation cavity is formed at the air guide cavity along the height direction, and an air outlet connected to the installation cavity is formed on the upper end of the junction box body.

[0005] In the utility model, the air intake part can input external gas into the air guide cavity, and by setting the filter part, most of the dust in the air can be filtered, so that the dust in the airflow entering the installation cavity is reduced, thereby better preventing dust accumulation inside the transfer box, thereby reducing the risk of fire.

[0006] Specifically, the air inlet part draws external air into the air guide cavity through the filter part and the first connecting hole, then enters the installation cavity through the second connecting hole, flows from the bottom to the top of the installation cavity, and finally leaves the junction box body from the air outlet, thereby better taking away the heat in the installation cavity and realizing the heat dissipation of the optical fiber junction box.

[0007] Preferably, the filter unit comprises a square filter element holder, the filter element holder is slidably matched with the filter cavity, and a detachable air filter element is provided at the filter element holder.

[0008] Preferably, a groove is formed on the side wall of the filter element support.

[0009] Preferably, a working opening is formed on one side of the transfer box body, and a cabinet door is rotatably provided at the working opening.

[0010] Preferably, a first handle is provided on a side of the cabinet door away from the installation cavity.

[0011] Preferably, a mounting plate is provided on the junction box body at a side of the mounting cavity away from the cabinet door, and the mounting plate is used to cooperate with the optical fiber distribution frame.

[0012] Preferably, a tool drawer is slidably provided at the air inlet cavity, and a baffle is formed at one end of the tool drawer. The baffle is used to conform to the air inlet cavity, and an L-shaped abutment plate is formed on the side of the baffle close to the filter cavity. The abutment plate is used to keep the filter element bracket away from the baffle.

[0013] Preferably, a second handle is formed on a side of the baffle away from the air inlet cavity.

[0014] Preferably, the air inlet portion includes a fan module fixedly arranged on one side of the air guide cavity.

[0015] Preferably, a dustproof net is provided at the air outlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main body of the transfer box in Example 1;

[0017] Figure 2 This is a schematic diagram of the explosion of the transfer box body in Example 1;

[0018] Figure 3 This is a schematic diagram of the internal structure of the transfer box body in Example 1;

[0019] Figure 4 This is a schematic diagram of the filter element support axial side in Example 1;

[0020] Figure 5 This is a schematic diagram of the axial side of the tool drawer in Example 1. DETAILED DESCRIPTION

[0021] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the embodiments. It should be understood that the embodiments are only used to explain the utility model but not to limit it.

[0022] Example 1

[0023] As shown in the figure, this embodiment provides an optical fiber junction box, which includes a junction box body 100, in which an air inlet cavity 110 and an installation cavity 120 are sequentially formed along the height direction in the junction box body 100, and a filter cavity 111 and an air guide cavity 112 are sequentially formed along the width direction in the air inlet cavity 110. The side wall of the junction box body 100 forms an air inlet 101 connected to the main body of the air guide cavity 112, and a filter portion corresponding to the air inlet 101 is provided in the air guide cavity 112. A first connecting port 204 connected to the filter portion is formed on the side wall of the air guide cavity 112, and an air inlet portion is fixedly provided at the first connecting hole. A second connecting port 103 connected to the installation cavity 120 is formed at the air guide cavity 112 along the height direction, and an air outlet 102 connected to the installation cavity 120 is formed at the upper end of the junction box body 100.

[0024] According to the solution provided in this embodiment, the air intake part can input external gas into the air guide cavity 112. By setting the filter part, most of the dust in the air can be filtered, so that the dust in the airflow entering the installation cavity 120 is reduced, thereby better preventing dust accumulation inside the transfer box, thereby reducing the risk of fire.

[0025] Specifically, the air inlet part draws external air into the air guide cavity 112 through the filter part and the first connecting hole, and then enters the installation cavity 120 through the second connecting hole, flows from the bottom to the top of the installation cavity 120, and finally leaves the junction box body 100 from the air outlet 102, thereby better taking away the heat in the installation cavity 120 and realizing the heat dissipation of the optical fiber junction box.

[0026] As shown in the figure, the filter part includes a square filter element bracket 240, the filter element bracket 240 is slidably matched with the filter cavity 111, and a detachable air filter element is provided at the filter element bracket 240.

[0027] Specifically, the filter element support 240 can support the air filter element.

[0028] It is understandable that the air filter element is a HEPA filter element.

[0029] As shown in the figure, a groove 441 is formed on the side wall of the filter element support 240.

[0030] Specifically, the groove 441 can facilitate the replacement of a dirty and clogged air filter element.

[0031] As shown in the figure, a working opening 205 is formed on one side of the transfer box body 100, and a cabinet door 206 is rotatably provided on the working opening 205.

[0032] As shown in the figure, a first handle 2061 is provided on the side of the cabinet door 206 away from the installation cavity 120 .

[0033] Specifically, the cabinet door 206 can facilitate the user to inspect and repair the transfer box.

[0034] As shown in the figure, a mounting plate 307 is provided on the side of the junction box body 100 located at the mounting cavity 120 away from the cabinet door 206, and the mounting plate 307 is used to cooperate with the optical fiber distribution frame.

[0035] As shown in the figure, a tool drawer 230 is slidably provided at the air inlet chamber 110, and a baffle 531 is formed at one end of the tool drawer 230. The baffle 531 is used to conform to the air inlet chamber 110, and an L-shaped abutment plate 532 is formed on the side of the baffle 531 close to the filter chamber 111. The abutment plate 532 is used to keep the filter element bracket 240 away from the baffle 531.

[0036] As shown in the figure, a second handle 533 is formed on the side of the baffle 531 away from the air inlet cavity 110 .

[0037] As shown in the figure, the air intake portion includes a fan module 350 fixedly arranged on one side of the air guide cavity 112.

[0038] Specifically, the model of the fan module 350 is AB1123, and the specification is 7.3cm×6.4cm.

[0039] As shown in the figure, a dustproof net 308 is provided at the air outlet.

[0040] Specifically, the dustproof net 308 can reduce the dust from the air outlet 102 that falls into the installation cavity 120 .

[0041] It is easy to understand that those skilled in the art can combine, split, reorganize, etc. the embodiments of the present application to obtain other embodiments based on one or several embodiments provided in the present application, and these embodiments do not exceed the protection scope of the present application.

[0042] The above is a schematic description of the present invention and its implementation methods, which is not restrictive. The embodiments shown are only part of the implementation methods of the present invention, and the actual structure is not limited thereto. Therefore, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the present invention, they should all fall within the protection scope of the present invention.

Claims

1. An optical fiber junction box, characterized in that: The invention comprises a transfer box body (100), wherein an air inlet cavity (110) and a mounting cavity (120) are sequentially formed in the transfer box body (100) along the height direction, and a filter cavity (111) and an air guide cavity (112) are sequentially formed in the air inlet cavity (110) along the width direction, and an air inlet port (101) connected to the main body of the air guide cavity (112) is formed on the side wall of the transfer box body (100), and a filter portion corresponding to the air inlet port (101) is provided in the air guide cavity (112), and a first connecting port (204) connected to the filter portion is formed on the side wall of the air guide cavity (112), and an air inlet portion is fixedly provided at the first connecting hole, and a second connecting port (103) connected to the mounting cavity (120) is formed at the air guide cavity (112) along the height direction, and an air outlet port (102) connected to the mounting cavity (120) is formed at the upper end of the transfer box body (100).

2. The optical fiber junction box according to claim 1, characterized in that: The filter unit comprises a square filter element support (240), the filter element support (240) is slidably matched with the filter cavity (111), and a detachable air filter element is provided at the filter element support (240).

3. The optical fiber junction box according to claim 2, characterized in that: A groove (441) is formed on the side wall of the filter element support (240).

4. The optical fiber junction box according to claim 1, characterized in that: A working opening (205) is formed on one side of the transfer box body (100), and a cabinet door (206) is rotatably provided on the working opening (205).

5. The optical fiber junction box according to claim 4, characterized in that: A first handle (2061) is provided on a side of the cabinet door (206) away from the installation cavity (120).

6. The optical fiber junction box according to claim 4, characterized in that: A mounting plate (307) is provided on the junction box body (100) at a side of the mounting cavity (120) away from the cabinet door (206), and the mounting plate (307) is used to cooperate with the optical fiber distribution frame.

7. The optical fiber junction box according to claim 2, characterized in that: A tool drawer (230) is slidably provided at the air inlet cavity (110), a baffle (531) is formed at one end of the tool drawer (230), the baffle (531) is used to conform to the air inlet cavity (110), and an L-shaped abutment plate (532) is formed on one side of the baffle (531) close to the filter cavity (111), and the abutment plate (532) is used to keep the filter element bracket (240) away from the baffle (531).

8. The optical fiber junction box according to claim 7, characterized in that: A second handle (533) is formed on a side of the baffle (531) away from the air inlet cavity (110).

9. The optical fiber junction box according to claim 1, characterized in that: The air intake portion comprises a fan module (350) fixedly arranged on one side of the air guide cavity (112).

10. The optical fiber junction box according to claim 1, characterized in that: A dust screen (308) is provided at the air outlet.

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