A built-in weak current box

Abstract

The present invention discloses an embedded weak-current box installed in a wall. The embedded weak-current box includes an outer shell, which includes a box, a door frame and a door body. The door frame is fixedly installed at the opening of the box, and the door body is connected to the door frame. The door frame has a side wall, which extends to a side away from the box, and the side wall is provided with ventilation holes, and the side wall protrudes from the wall surface of the wall. Ventilation holes are provided on the side walls of the door frame, so that the cold air outside the box and the hot air inside the box can exchange heat, reduce the temperature inside the box, and prevent the communication equipment in the box from being affected by the working stability and service life due to excessive temperature.

Description

Technical Field

[0001] The present invention relates to the technical field of communication equipment, and in particular to an embedded weak-current box. Background Art

[0002] The optical switch in the communication equipment consumes more power than ordinary equipment such as the network cable adapter box, so it generates more heat. The operating temperature of the optical module and chip in the optical switch is high, which will affect the stability and service life of the optical switch. Therefore, when deploying the optical switch, it is necessary to install a fan to dissipate heat. Since the optical switch needs to be installed in the indoor weak current box, the fan noise is relatively high, which will have a certain impact on the user. Therefore, it is necessary to provide a weak current box with low noise and good heat dissipation. Summary of the invention

[0003] The purpose of the embodiments of the present invention is to provide an embedded low-voltage box to solve the problem of poor heat dissipation of the embedded low-voltage box.

[0004] An embodiment of the present invention provides an embedded weak current box installed in a wall. The embedded weak current box includes a housing, which includes a box, a door frame and a door body. The door frame is fixedly installed at the opening of the box, and the door body is connected to the door frame. The door frame has a side wall, which extends to a side away from the box, and the side wall is provided with a ventilation hole, and the side wall protrudes from the wall surface of the wall, so that the ventilation hole is exposed on the outside of the wall surface.

[0005] In the above embodiment, the embedded weak-current box is installed in the wall, and a ventilation hole is provided on the side wall of the door frame, and the ventilation hole is exposed on the outside of the wall, so that the cold air outside the box and the hot air inside the box can exchange heat, reduce the temperature inside the box, and help improve the heat dissipation effect of the embedded weak-current box. In addition, since the ventilation hole is located outside the wall, the cables outside the wall can also pass through the ventilation hole and plug into the communication equipment in the box, which improves the flexibility of the embedded weak-current box.

[0006] In an optional technical solution, the door frame has a limit plate, which abuts against the wall surface so that the ventilation hole is located outside the wall. The limit plate can prevent the door frame from being embedded in the wall during the installation of the embedded weak-current box, causing the ventilation hole to be blocked by the wall, resulting in poor heat dissipation of the embedded weak-current box.

[0007] In an optional technical solution, the embedded weak current box further includes a bracket, which is rotatably connected to the housing via a rotating shaft, and is slidably connected to the rotating shaft and can slide along the extension direction of the rotating shaft, and the bracket is used to install the communication equipment. The bracket can rotate, which is convenient for installing and disassembling the communication equipment for maintenance.

[0008] In an optional technical solution, the above-mentioned embedded low-current box also includes a reset member, the box body includes a bottom wall, the rotating axis is perpendicular to the bottom wall, and the reset member is connected to the bracket to drive the bracket close to the bottom wall so that the bracket automatically returns to its original position.

[0009] In an optional technical solution, the bracket may include a body and a positioning baffle, the body having a receiving cavity, the communication device being installed in the receiving cavity, the receiving cavity having an opening on a side away from the rotating shaft, the positioning baffle being installed in the opening and slidably connected to the body, the positioning baffle being used to clamp the communication device in the receiving cavity to prevent the communication device from falling. Furthermore, the positioning baffle is slidably connected to the body, and can be suitable for the installation of communication devices of different sizes, and has a wide range of applications.

[0010] In an optional technical solution, the positioning baffle includes a limiting groove, and the bracket includes a limiting column, which passes through the limiting groove to fix the positioning baffle to the body. The limiting groove and the limiting column limit the sliding range of the positioning baffle to prevent the positioning baffle from falling.

[0011] In an optional technical solution, the body has a first slide groove, the positioning baffle has a first slider, and the first slider is arranged in the first slide groove. Alternatively, the positioning baffle has a second slide groove, the body has a second slider, and the second slider is arranged in the second slide groove. The first slide groove can guide the positioning baffle to enhance the sliding stability of the positioning baffle.

[0012] In an optional technical solution, the bracket further includes a fiber coiling rack, which is located on the side of the main body away from the door body and is used to coil cables of the communication equipment. The fiber coiling rack arranges the cables in the box neatly, making it convenient to maintain the equipment.

[0013] In an optional technical solution, the bracket further includes a fixing member, the fixing member includes a connecting plate and a stopper, the stopper is rotatably connected to the connecting plate, and the connecting plate is mounted on the positioning stopper. When the bracket is rotated into the box, the stopper is rotated to engage with the frame, so as to prevent the bracket from rotating in the box after the communication device is installed, causing the communication device to be hit and damaged.

[0014] In an optional technical solution, the rotating shaft may include a first rotating shaft and a second rotating shaft, the first rotating shaft is installed on a side of the door frame close to the bottom wall, the second rotating shaft is installed on a side of the door frame away from the bottom wall, and the first rotating shaft and the second rotating shaft are coaxially arranged. The first rotating shaft and the second rotating shaft are detachably installed on the door frame, which facilitates the disassembly of the bracket, thereby making the installation and maintenance of the communication equipment more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of an embedded weak current box in one embodiment of the present invention;

[0016] Figure 2It is a structural schematic diagram of another angle of the embedded weak current box in one embodiment of the present invention;

[0017] Figure 3 A schematic diagram of the internal structure of an embedded weak current box in one embodiment of the present invention;

[0018] Figure 4 A schematic diagram of the structure of a bracket in one embodiment of the present invention;

[0019] Figure 5 This is a schematic diagram of the installation of a bracket and a door frame in one embodiment of the present invention;

[0020] Figure 6 A schematic diagram of the structure of a bracket in another embodiment of the present invention;

[0021] Figure 7 It is a schematic structural diagram of an embedded weak-current box in another embodiment of the present invention.

[0022] Reference numerals:

[0023] 100-housing; 300-wall; 301-wall surface; 1-box; 2-door frame; 3-door body; 21-side wall; 22-ventilation hole; 23-limiting plate; 24-flange; 231-first wall surface; 232-second wall surface; 211-first side wall; 212-second side wall; 4-bracket; 5-rotating shaft; 6-reset member; 11-bottom wall; 41-body; 42-first support beam; 43-first mounting plate; 25-support plate; 213-third side wall; 214-fourth side wall; 44-second mounting plate; 441-third side wall; 45-third side wall; 46-third side wall; 47-third side wall; 48-third side wall; 49-third side wall; 50-third side wall; 51-third side wall; 52-third side wall; 53-third side wall; 54-third side wall; 55-third side wall; 56-third side wall; 57-third side wall; 58-third side wall; 59-third side wall; 60-third side wall; 61-third side wall; 62-third side wall; 63-third side wall; 64-third side wall; 65-third side wall; 66-third side wall; 67-third side wall; 68-third side wall; 69-third side wall; 70-third side wall; 71-third side wall; 72-third side wall; 73-third side wall; 74-third side wall; 75-third side wall; 76-third side wall; 77-third side wall; 78-third side wall; 79-third side wall; 80-third side wall; 81-third side wall; 82-third side wall; 83-third side wall Three-axis hole; 45-positioning baffle; 411-accommodating chamber; 451-first support arm; 452-blocking wall; 453-limiting groove; 451'-second support arm; 46-limiting column; 412-first slide groove; 47-fiber coil rack; 413-first support plate; 414-second support plate; 415-bottom plate; 48-fixing part; 481-elastic part; 482-protrusion; 483-connecting plate; 484-block; 51-first rotating axis; 52-second rotating axis; 521-handle; 7-cable management rack; 8-fiber fusion box rack; 10-heat dissipation hole. DETAILED DESCRIPTION

[0024] In order to prevent the communication equipment from being affected in the weak current box due to excessive temperature, which may affect the working stability and service life. An embodiment of the present invention provides an embedded weak current box. In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention is further described in detail below with reference to the accompanying drawings.

[0025] Figure 1 This is a schematic diagram of the structure of an embedded weak current box in one embodiment of the present invention. Figure 2FIG. 1 is a schematic structural diagram of an embedded weak current box from another angle in one embodiment of the present invention. Figure 1 and Figure 2 , an embodiment of the present invention provides an embedded low-current box installed in a wall 300. The embedded low-current box includes a shell 100. The shell 100 includes a box 1, a door frame 2 and a door body 3. The door frame 2 is installed at the opening of the box 1, and the door body 3 is connected to the door frame 2. The door frame 2 has a side wall 21, and the side wall 21 extends to a side away from the box 1. The side wall 21 is provided with a ventilation hole 22, and the side wall 21 protrudes from the wall surface 301 of the wall 300, so that the ventilation hole 22 is exposed on the outside of the wall surface 301.

[0026] In the above embodiment, the embedded weak-current box is installed in the wall 300, and a ventilation hole 22 is provided on the side wall 21 of the door frame 2, and the ventilation hole 22 is exposed on the outside of the wall 301, so that the cold air outside the box 1 and the hot air inside the box 1 can exchange heat, reduce the temperature inside the box 1, and help improve the heat dissipation effect of the embedded weak-current box. In addition, since the ventilation hole 22 is located outside the wall 300, the cables located outside the wall 300 can also pass through the ventilation hole 22 and plug in the communication equipment in the box 1, which improves the flexibility of the embedded weak-current box.

[0027] In an optional embodiment, the ventilation holes 22 are located on the side walls 21 at the top and bottom of the door frame 2. Since the density of hot air is small, the hot air flows out from the ventilation holes 22 at the top of the door frame 2, forming a negative pressure in the box, accelerating the flow of cold air from the ventilation holes 22 at the bottom of the door frame 2 into the box, forming air flow, and taking away the heat in the box 1. In another optional embodiment, the ventilation holes 22 can also be set on the four side walls 21 of the door frame 2, so that the hot air in the box 1 is dissipated from all sides of the door frame 2 at the same time.

[0028] In an optional embodiment, the door frame 2 may be configured as a detachable structure, and specifically, the door frame 2 and the box body 1 may be fixed using screws or other connecting parts.

[0029] Please combine Figure 2 and Figure 1In an optional embodiment, the door frame 2 has a limit plate 23, which abuts against the wall 301 so that the ventilation hole 22 is located outside the wall 300. The limit plate 23 can be L-shaped and located at the corner of the door frame 2. The door frame 2 also includes a flange 24, which is located at one end of the side wall 21 away from the box body 1 and is perpendicular to the side wall 21. The L-shaped limit plate 23 is connected to the side wall 21 through the flange 24. The L-shaped limit plate 23 includes a first wall surface 231 and a second wall surface 232. The side wall 21 includes a first side wall 211 and a second side wall 212. The first wall surface 231 is parallel to the first side wall 211 and has a certain interval with the first side wall 211, and the second wall surface 232 is parallel to the second side wall 212 and has a certain interval with the second side wall 212. Since the L-shaped limit plate 23 is only located at the corner of the door frame 2, the ventilation hole 22 can be avoided, so that hot air can flow out of the box body 1 more smoothly. In addition, the limit plate 23 abuts against the wall 301, which can prevent the door frame 2 from being embedded in the wall 301 during the installation process of the embedded weak-current box, causing the ventilation hole 22 to be blocked by the wall 300, resulting in poor heat dissipation of the embedded weak-current box.

[0030] In an optional embodiment, there may be four limit plates 23 , which are respectively located at the four corners of the door frame 2 .

[0031] Figure 3 This is a schematic diagram of the internal structure of an embedded weak current box in one embodiment of the present invention. Figure 4 This is a schematic diagram of the structure of a bracket in one embodiment of the present invention. Figure 3 and Figure 4 In an optional embodiment, the embedded low-current box may further include a bracket 4, which is used to install the communication device. The bracket 4 is rotatably connected to the housing 100 via a rotating shaft 5, which facilitates the installation and disassembly and maintenance of the communication device. The bracket 4 is slidably connected to the rotating shaft 5, and can slide up and down along the extension direction of the rotating shaft 5. The bottom of the bracket 4 may adopt a hollow structure. When it is necessary to insert a cable into a port at the bottom of the communication device, the bracket 4 may be slid upward to expose the port at the bottom of the communication device, and then the cable may be plugged into the port. After the cable is plugged in, the bracket 4 may be slid downward to return to its original position.

[0032] Figure 5 This is a schematic diagram of the installation of the bracket and the door frame in one embodiment of the present invention. Figure 3 to Figure 5 In an optional embodiment, the embedded weak current box may further include a reset member 6. The box body 1 includes a bottom wall 11, the rotation axis 5 is perpendicular to the bottom wall 11, and the reset member 6 is connected to the bracket 4 to drive the bracket 4 to approach the bottom wall 11. When the cable needs to be plugged in, the bracket 4 is slid upward along the rotation axis 5, and the reset member 6 can drive the bracket 4 to approach the bottom wall 11 and return to its original position. The reset member 6 can enable the bracket 4 to be automatically reset.

[0033] Please continue to refer to Figure 3 In an optional embodiment, the embedded weak current box may further include a wire management rack 7 and a fiber fusion box rack 8, which may be installed on the side of the box body 1 away from the opening. The wire management rack 7 is used to store redundant cables, and the fiber fusion box rack 8 is used to fix the fiber fusion box or other communication equipment. The wire management rack 7 and the fiber fusion box rack 8 can make the equipment in the box body 1 more orderly and facilitate equipment maintenance.

[0034] Please continue to refer to Figure 3 In an optional embodiment, the rotating shaft 5 may include a first rotating shaft 51 and a second rotating shaft 52, the first rotating shaft 51 is installed on a side of the door frame 2 close to the bottom wall 11, the second rotating shaft 52 is installed on a side of the door frame 2 away from the bottom wall 11, the first rotating shaft 51 and the second rotating shaft 52 are coaxially arranged, and the first rotating shaft 51 and the second rotating shaft 52 are detachably installed on the door frame 2. The bracket 4 is convenient to disassemble, thereby making the installation and maintenance of the communication device more convenient.

[0035] Please continue to refer to Figure 4 In an optional embodiment, the rotating shaft 5 may further have a handle 521 to facilitate pulling the rotating shaft 5 out of the door frame 2 .

[0036] Please combine Figure 3 to Figure 5 When the reset member 6 is specifically selected, a spring can be used as the reset member 6. The bracket 4 may include a first support beam 42 and a first mounting plate 43, wherein the first mounting plate 43 is perpendicular to the extension direction of the first support beam 42. The first mounting plate 43 has a first shaft hole (not shown in the figure). The door frame 2 has a support plate 25, which has a second shaft hole (not shown in the figure). The first mounting plate 43 abuts against the support plate 25, and the first mounting plate 43 is located on the side of the support plate 25 away from the bottom wall 11. In this embodiment, the first mounting plate 43 is located above the support plate 25, and the support plate 25 is used to support the first mounting plate 43. The rotating shaft 5 is installed on the door frame 2, and the rotating shaft 5 passes through the first shaft hole and the second shaft hole. The side wall 21 located at the top of the door frame 2 is a third side wall 213, and a reset member 6 is provided between the third side wall 213 and the first mounting plate 43, and the reset member 6 is used to drive the bracket 4 to approach the bottom wall 11. When the bracket 4 is lifted upward, the reset member 6 is compressed by the first mounting plate 43 and the third side wall 213 , so that the reset member 6 has a downward extension force, driving the bracket 4 to reset close to the bottom wall 11 .

[0037] In another optional embodiment, the bracket 4 may further include a second mounting plate 44, the second mounting plate 44 is parallel to the first mounting plate 43, the second mounting plate 44 has a third shaft hole 441, and the rotating shaft 5 also passes through the third shaft hole 441. The second mounting plate 44 makes the bracket 4 more stable when rotating along the rotating shaft 5. The side wall 21 located at the bottom of the door frame 2 is the fourth side wall 214. The two ends of the reset member 6 may also be fixedly mounted on the second mounting plate 44 and the fourth side wall 214. In this embodiment, when the bracket 4 slides upward, the reset member 6 is stretched and has a downward contraction force, which can drive the bracket 4 to slide downward close to the bottom wall 11 to reset.

[0038] Please continue to refer to Figure 4 The bracket 4 may further include a body 41 and a positioning baffle 45. The body 41 has a housing cavity 411, and the communication device is installed in the housing cavity 411. The housing cavity 411 has an opening on one side away from the rotating shaft 5. The positioning baffle 45 is installed in the opening and is slidably connected to the body 41. The sliding direction of the positioning baffle 45 is perpendicular to the rotating shaft 5. The positioning baffle 45 is used to clamp the communication device in the housing cavity 411. The positioning baffle 45 is slidably connected to the body 41, and can be suitable for the installation of communication devices of different sizes, and has a wide range of applications.

[0039] Please continue to refer to Figure 4 In an optional embodiment, the positioning baffle 45 may be L-shaped, including a first arm 451, a limiting groove 453 and a retaining wall 452. The limiting groove 453 is located at the first arm 451. The first arm 451 and the limiting groove 453 extend along the sliding direction of the positioning baffle 45. The extending direction of the retaining wall 452 is perpendicular to the extending direction of the limiting groove 453. The bracket 4 includes a limiting column 46, which passes through the limiting groove 453 to fix the positioning baffle 45 to the body 41. The limiting column 46 may be a screw, and the screw includes a head and a rod that are fixedly connected. The rod is located in the limiting groove, and the diameter of the head is greater than the width of the limiting groove 453, so that the positioning baffle 45 can be prevented from slipping. Put the communication device into the accommodating cavity 411, slide the positioning baffle 45 toward the communication device, make the baffle wall 452 of the positioning baffle 45 contact the communication device, and press the communication device against the accommodating cavity 411, and then tighten the screws to fix the positioning baffle 45 to the body 41 of the bracket 4. In this way, the communication device is fixed to the bracket 4, preventing the communication device from falling from the bracket 4, and improving the safety of the communication device.

[0040] In another optional embodiment, the positioning baffle 45 may also be U-shaped, and the positioning baffle 45 may further include a second arm 451', and the second arm 451' has the same structure as the first arm 451. The second arm 451' and the first arm 451 are located at both ends of the retaining wall 452 and are symmetrically arranged. The second arm 451' and the first arm 451 are subjected to an even force during the sliding process, which can enhance the sliding stability of the positioning baffle 45.

[0041] In an optional embodiment, the body 41 has a first slide groove 412, and the positioning baffle 45 has a first slider, which is arranged in the first slide groove 412. The first slide groove 412 is perpendicular to the rotation axis 5. The first slider can be the first arm 451 of the positioning baffle 45. The first slide groove 412 can guide the first arm 451 so that the positioning baffle 45 can slide along the first slide groove 412. Ensure that the positioning baffle 45 slides smoothly and avoids shaking up and down. The body 41 can also have a third slide groove (not shown in the figure), and the third slide groove is symmetrically arranged with the first slide groove 412 along the symmetry axis of the body 41. The positioning baffle 45 can also have a third slider, which can be the second arm 451'. The third slide groove can guide the second arm 451' to enhance the stability of the sliding of the positioning baffle 45.

[0042] In another optional embodiment, the positioning baffle 45 may have a second slide groove (not shown in the figure), which may be located in the first arm 451, and the second slide groove is perpendicular to the rotation axis 5. The body 41 has a second slider (not shown in the figure), which is arranged in the second slide groove. The second slider can guide the first arm 451 so that the positioning baffle 45 can slide relative to the second slider. Ensure that the positioning baffle 45 slides smoothly and avoids shaking up and down. The body 41 may also have a fourth slide groove (not shown in the figure), which is symmetrically arranged with the second slide groove along the symmetry axis of the body 41. The positioning baffle 45 may also have a fourth slider. The fourth slider can guide the second arm 451' to enhance the stability of the sliding of the positioning baffle 45.

[0043] Please continue to refer to Figure 4In an optional embodiment, the bracket 4 may further include a fiber coiling rack 47 for coiling cables of the communication equipment (not shown in the figure), so that the cables in the box 1 are neatly arranged, which is convenient for maintenance of the communication equipment. The body 41 may include a first support plate 413, a second support plate 414 and a bottom plate 415, the first support plate 413 and the second support plate 414 are parallel, and the first support plate 413 is located on the side close to the door body 3. The first support plate 413, the second support plate 414 and the bottom plate 415 surround the accommodating cavity 411. The fiber coiling rack 47 is located on the side of the body 41 away from the door body 3, and can be specifically arranged on the side of the second support plate 414 away from the door body 3. The fiber coiling rack 47 may be circular, including a plurality of hooks 471, and the plurality of hooks 471 are evenly distributed along the center of the circle. The cables are wound around the plurality of hooks 471.

[0044] Please continue to refer to Figure 4 In an optional embodiment, the first support plate 413 and the second support plate 414 have the same shape, which may be a trapezoid. Of course, the first support plate 413 and the second support plate 414 may also be a triangle, a square or other shapes, which are not specifically limited in this application. In an optional embodiment, the first support plate 413 and the second support plate 414 may also have different shapes.

[0045] Please continue to refer to Figure 4 In an optional embodiment, the bracket 4 may further include a fixing member 48. In a specific embodiment, the fixing member 48 may include a connecting plate 483 and a stopper 484, wherein the stopper 484 is transmission-connected to the connecting plate 483, and the connecting plate 483 is fixedly mounted on the positioning stopper 45, and specifically may be mounted on the stopper wall 452. When the bracket 4 is rotated into the box 1, the stopper 484 is rotated to engage with the door frame 2 to prevent the bracket 4 from rotating outside the box 1. Of course, the connecting plate 483 may also be mounted on the first support arm 451 or the first support plate 413, both of which may enable the stopper 484 to engage with the door frame 2. When the bracket 4 needs to be rotated out of the box 1, the stopper 484 is rotated to separate it from the door frame 2, thereby releasing the bracket 4. The fixing member 48 in the above embodiment can limit the bracket 4 in the box, and prevent the bracket 4 from rotating in the box 1, causing the communication device to be hit and damaged.

[0046] Figure 6 FIG. 1 is a schematic diagram of the structure of a bracket in another embodiment of the present invention. Figure 6As shown, in another specific embodiment, the fixing member 48 may include an elastic member 481 and a protrusion 482, the elastic member 481 is connected to the protrusion 482, and the elastic member 481 is installed at the bottom of the body 41. When the bracket 4 rotates into the box body 1, the elastic member 481 drives the protrusion 482 to engage with the door frame 2. Prevent the bracket 4 from rotating outside the box body 1. When it is necessary to rotate the bracket 4 out of the box body 1, lift the elastic member 481 upward to separate the protrusion 482 from the door frame 2, and release the bracket 4.

[0047] Figure 7 FIG. 1 is a schematic diagram of the structure of an embedded weak current box in another embodiment of the present invention. Figure 7 As shown, the above-mentioned embedded weak-current box can also be installed on the wall 301. The above-mentioned box body 1 and the door body 3 can have heat dissipation holes 10 to enhance the heat dissipation effect. When the embedded weak-current box is installed on the wall 301, the door frame 2 can be removed. The door body 3 is installed in the opening of the box body 1. The bracket 4 is installed on the above-mentioned box body 1 through the rotating shaft 5. The application scenarios of the embedded weak-current box are increased.

[0048] The above communication equipment can also be replaced by other weak-current equipment, such as a television distributor module, a telephone distributor module, a weak-current security module, etc.

[0049] In the description of the present invention, it should be noted that the terms "upper" and "lower" etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0050] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. An embedded weak current box installed in a wall, characterized in that: The housing comprises a box body, a door frame and a door body; The door frame is installed at the opening of the box body, and the door body is connected to the door frame; The door frame has a side wall, the side wall extends to a side away from the box body, the side wall is provided with a ventilation hole, and the side wall protrudes from the wall surface of the wall body; The embedded low-voltage box also includes a bracket, which is used to install communication equipment. The bracket is installed on the housing through a rotating shaft. The bracket is slidably connected to the rotating shaft and can slide along the extension direction of the rotating shaft.

2. The built-in weak current box according to claim 1, characterized in that: The door frame has a limiting plate, and the limiting plate abuts against the wall surface so that the ventilation hole is located outside the wall.

3. The built-in weak current box according to claim 1, characterized in that: The bracket is rotatably connected to the shell via a rotating shaft.

4. The built-in weak current box according to claim 3 is characterized in that: It also includes a reset member, the box body includes a bottom wall, the rotation axis is perpendicular to the bottom wall, and the reset member is connected to the bracket to drive the bracket to approach the bottom wall.

5. The built-in weak current box according to claim 3 is characterized in that: The bracket includes a main body and a positioning baffle, the main body has a accommodating cavity, the communication device is installed in the accommodating cavity, the accommodating cavity has an opening on a side away from the rotating axis, the positioning baffle is installed in the opening and is slidably connected to the main body, and the positioning baffle is used to clamp the communication device in the accommodating cavity.

6. The built-in weak current box according to claim 5, characterized in that: The positioning baffle includes a limiting groove, and the bracket includes a limiting column. The limiting column passes through the limiting groove to fix the positioning baffle to the body.

7. The built-in weak current box according to claim 5, characterized in that: The body has a first slide groove, the positioning baffle has a first slider, and the first slider is arranged in the first slide groove; Alternatively, the positioning baffle has a second sliding groove, the main body has a second sliding block, and the second sliding block is arranged in the second sliding groove.

8. The built-in weak current box according to claim 5, characterized in that: The bracket further comprises a fiber coiling rack, which is located at a side of the main body away from the door body and is used for coiling cables of the communication device.

9. The built-in weak current box according to claim 5, characterized in that: The bracket also includes a fixing member, which includes a connecting plate and a stopper, wherein the stopper is rotatably connected to the connecting plate, and the connecting plate is installed on the positioning stopper; when the bracket is rotated into the box body, the stopper is rotated to engage with the door frame.

10. The built-in weak current box according to claim 3, characterized in that: The rotating shaft includes a first rotating shaft and a second rotating shaft, the box body includes a bottom wall, the first rotating shaft is installed on a side of the door frame close to the bottom wall, the second rotating shaft is installed on a side of the door frame away from the bottom wall, the first rotating shaft and the second rotating shaft are coaxially arranged, and the first rotating shaft and the second rotating shaft are detachably installed on the door frame.

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