Outdoor three-proofing communication cabinet

Abstract

The invention relates to the field of communication cabinets, in particular to an outdoor three-proofing communication cabinet which comprises a cabinet body, a protection device and a clamping device. The cabinet main body comprises a top plate, and a through positioning hole is formed in the top plate; the protective device comprises a protective cover and a supporting rod, the top end of the supporting rod is fixedly connected with the protective cover, and the bottom end of the supporting rod penetrates through the positioning hole; the clamping device is arranged on the top plate, and the clamping device is used for clamping the supporting rod; the protective cover is in the shape of an opened umbrella, and the edge of the protective cover extends out of the edge of the cabinet main body. The supporting rod can be firmly clamped, the protection device is prevented from loosening or shifting under the conditions of strong wind, external force impact and the like, and it is ensured that the protection cover is always kept at the correct position.

Description

Technical Field

[0001] This application relates to the field of communication cabinets, and particularly to an outdoor three-proof communication cabinet. Background Art

[0002] At present, with the rapid development of communication technology, communication devices are more and more widely used in various fields. As an important carrier of communication devices, the operating environment of outdoor communication cabinets is complex and changeable, and they are often faced with the erosion of rain, dust and sunlight. In order to ensure the stable operation of communication devices, it is crucial to improve the protection performance of communication cabinets. Waterproof, dustproof and sunscreen functions are the basic performances that outdoor communication cabinets must possess, and the realization of these functions is directly related to the service life and operation reliability of communication devices.

[0003] A related waterproof and dustproof outdoor communication cabinet includes a cabinet body, a top cover and a cabinet door. The top cover is arranged above the cabinet body. The top cover is of a double-layer arched structure. The front and rear ends of the top cover extend beyond the upper plane of the cabinet body. An air inlet groove is arranged inside the extended part of the top cover. An air duct communicating with the upper plane of the cabinet body is arranged inside the middle of the top cover. A movable filter screen is arranged below the air duct. A hem is arranged inside the door frame of the cabinet body, and a rubber strip is arranged inside the hem. The cabinet door is an upward-opening door, and the cabinet door and the door frame are hinged through a gas strut hydraulic rod.

[0004] Although the waterproof and dustproof outdoor communication cabinet in the related technology includes a double-layer arched top cover, an air inlet groove, an air duct, a movable filter screen, and the hem and rubber strip inside the cabinet door frame, etc., in actual application, when facing strong winds, external impacts and other conditions, the protection device may become loose or even displaced, thereby affecting the normal performance of its waterproof, dustproof and sunscreen functions. Summary of the Invention

[0005] In order to overcome the problem that the protection device in the related technology is prone to loosen and displace when facing strong winds and external impacts, thereby affecting the normal performance of the waterproof, dustproof and sunscreen functions, this application provides an outdoor three-proof communication cabinet.

[0006] An outdoor three-proof communication cabinet provided by this application adopts the following technical solutions: An outdoor three-proof communication cabinet includes a cabinet body main body, a protection device and a clamping device; the cabinet body main body includes a top plate, and a through positioning hole is opened on the top plate; the protection device includes a protective cover and a support rod, the top end of the support rod is fixedly connected with the protective cover, and the bottom end of the support rod passes through the positioning hole; the clamping device is arranged on the top plate, and the clamping device is used for clamping the support rod; the shape of the protective cover is like an opened umbrella, and the edge of the protective cover extends beyond the edge of the cabinet body main body.

[0007] By adopting the above technical solutions, the protective cover can provide effective waterproof, dustproof and sun protection for the cabinet body. Its opened umbrella-shaped structure can cover a larger area and enhance the protection effect. The support rod plays a role in supporting the protective cover, enabling the protective cover to be stably arranged above the cabinet body. The clamping device can firmly clamp the support rod, preventing the protective device from loosening or shifting under strong winds, external force impacts, etc., ensuring that the protective cover always remains in the correct position, thereby guaranteeing the normal functioning of the waterproof, dustproof and sun protection functions of the communication cabinet and providing a stable and reliable operating environment for the communication equipment.

[0008] Optionally, the clamping device includes a support, a driving mechanism and two clamping members. The support is fixed to the lower surface of the top plate. Both of the two clamping members are slidably engaged with the support. The driving mechanism is arranged on the support and is used to drive the two clamping members to move in directions approaching or separating from each other.

[0009] By adopting the above technical solutions, the support is fixed to the lower surface of the top plate, providing stable support for the entire clamping device. The two clamping members are slidably engaged with the support and can move flexibly. The driving mechanism is arranged on the support and is used to drive the two clamping members to move in directions approaching or separating from each other. When it is necessary to fix the support rod, the driving mechanism drives the two clamping members to approach each other and firmly clamp the support rod to prevent the protective device from loosening or shifting. When it is necessary to adjust or disassemble the protective device, the driving mechanism drives the two clamping members to separate from each other and loosen the support rod. This enables the clamping device to clamp the support rod flexibly and firmly, thereby ensuring the stability of the protective cover and effectively guaranteeing the waterproof, dustproof and sun protection functions of the communication cabinet, providing a reliable guarantee for the stable operation of the communication equipment.

[0010] Optionally, the driving mechanism includes a motor and a gear assembly. A cavity is formed in the inner side wall of the support. The gear assembly is located in the cavity. The gear assembly includes a driving gear, a linkage gear, a first driven gear, a second driven gear, a first rack and a second rack. The motor is fixed to the surface of the support. The output shaft of the motor penetrates through the support and is rotatably connected to the support. The driving gear is sleeved on the output shaft of the motor and is fixedly connected to the output shaft of the motor. The first gear is rotatably connected to the support and meshes with the driving gear. The first rack is fixed to one of the clamping members and meshes with the driving gear. The linkage gear is rotatably connected to the support and meshes with the driving gear. The second rack is fixed to the other clamping member and meshes with the linkage gear.

[0011] By adopting the above technical solution, the support is firmly installed on the lower surface of the top plate, serving as the supporting foundation of the entire device to ensure structural stability. The two clamping parts slide with the support and have flexible movement capabilities. The driving mechanism is placed on the support, and its core function is to accurately drive the two clamping parts to move closer or farther from each other. When fixing the support rod, the driving mechanism brings the clamping parts together to achieve a firm clamping of the support rod, effectively preventing the protective device from loosening or shifting due to external factors; when the protective device needs to be adjusted or disassembled, the driving mechanism separates the clamping parts and loosens the support rod. It not only ensures that the clamping device can be flexibly operated, but also ensures that the support rod is firmly clamped, thereby maintaining the stability of the protective cover, effectively ensuring the waterproof, dustproof and sun-proof performance of the communication cabinet, and building a solid and reliable defense line for the stable operation of communication equipment.

[0012] Optionally, the support includes an isolation plate and two support plates, the two support plates are respectively fixed on two opposite sides of the isolation plate, and the cavity is located between the two support plates; one of the support plates is fixed to the inner wall of the top plate, and the motor is fixed to the other support plate, and the output shaft of the motor passes through the support plate and is rotatably connected to the support plate; the clamping member is slidably arranged between the two support plates, and a guide rail is fixedly arranged on the inner side wall of each support plate, and a guide groove is opened on two opposite sides of each clamping member, and the outer side wall of the guide rail abuts against the inner side wall of the guide groove, and the clamping member slides in cooperation with the guide rail.

[0013] By adopting the above technical solution, the support is composed of an isolation plate and two support plates, and the two support plates are respectively fixed on opposite sides of the isolation plate to form a cavity. One of the support plates is fixed on the inner wall of the top plate to provide stable support for the support; the motor is fixed on the other support plate, and the motor output shaft passes through the support plate and is rotatably connected thereto to ensure stable operation of the motor. The clamping member is slidably arranged between the two support plates, and a guide rail is fixed on the inner wall of each support plate. Guide grooves are provided on opposite sides of the clamping member, and the outer wall of the guide rail abuts against the inner wall of the guide groove to achieve sliding cooperation between the clamping member and the guide rail. The clamping member can slide stably and smoothly between the two support plates under the drive of the motor, thereby realizing flexible and stable clamping and releasing operations on the support rod, ensuring the stability of the protective device, effectively maintaining the protective function of the communication cabinet, and providing strong support for the stable operation of the communication equipment.

[0014] Optionally, a plurality of anti-slip protrusions are provided on the side wall of the clamping member close to the support rod.

[0015] By adopting the above technical solution, a plurality of anti-slip protrusions are provided on the side wall of the clamping member close to the support rod. When the clamping member moves towards each other under the action of the driving mechanism and clamps the support rod, these anti-slip protrusions can increase the friction force between the clamping member and the support rod. In this way, it can effectively prevent the clamping member from sliding relative to the support rod when subjected to external forces or vibrations, ensuring a more stable clamping. Further improving the clamping stability of the clamping device for the support rod, and then ensuring the stable position of the protective cover, enhancing the reliability of the waterproof, dustproof and sun protection functions of the communication cabinet, and providing a more solid guarantee for the stable operation of the communication equipment.

[0016] Optionally, a bearing block is fixedly arranged on the support rod, and the upper surface of the top plate is in contact with the lower surface of the bearing block.

[0017] By adopting the above technical solution, a bearing block is fixedly arranged on the support rod, and the upper surface of the top plate abuts against the lower surface of the bearing block. This makes the connection between the support rod and the top plate more stable and reasonable. The bearing block provides an additional support point for the top plate, disperses the pressure borne by the top plate, and enhances the stability of the overall structure. At the same time, the abutting manner between the bearing block and the top plate also helps to position the support rod, ensuring that the support rod vertically and stably supports the protective cover, and then ensuring the accurate position of the protective cover, effectively exerting the waterproof, dustproof and sun protection functions, and creating a more stable and reliable operating environment for the communication equipment.

[0018] Optionally, a through hole is formed in the bearing block, and the support rod passes through the through hole; a fastening member is arranged on the bearing block, and the fastening member is used to fix the bearing block on the support rod.

[0019] By adopting the above technical solution, a through hole is formed in the bearing block, and the support rod passes through the through hole, which is convenient for the preliminary positioning and assembly of the support rod and the bearing block. At the same time, a fastening member is arranged on the bearing block, and its function is to firmly fix the bearing block on the support rod. Through the fastening action of the fastening member, it can prevent the bearing block from sliding or shifting relative to the support rod, further enhancing the stability of the connection between the support rod and the bearing block. The stable connection enables the support rod to more stably support the protective cover, ensuring the accurate position of the protective cover and not being easily loosened, thereby effectively guaranteeing the waterproof, dustproof and sun protection functions of the communication cabinet and providing reliable support for the stable operation of the communication equipment.

[0020] Optionally, the fastening member includes a screw rod, the screw rod is in threaded cooperation with the bearing block, and the end of the screw rod abuts against the outer side wall of the support rod.

[0021] By adopting the above technical solution, the fastener is a screw rod, which is in threaded fit with the bearing block, and its end abuts against the outer side wall of the support rod. When the screw rod is rotated, due to the threaded fit relationship, the screw rod will move along the threaded hole of the bearing block until its end tightly abuts against the outer side wall of the support rod. This abutting method can generate a large frictional force, effectively preventing relative sliding or displacement between the bearing block and the support rod. Through this simple and effective fastening method, the stability of the connection between the support rod and the bearing block is further enhanced, enabling the support rod to more stably support the protective cover, ensuring that the protective cover can maintain an accurate position in various environments, thereby reliably guaranteeing the waterproof, dustproof and sunscreen functions of the communication cabinet and providing a solid guarantee for the stable operation of communication equipment.

[0022] Optionally, the fastener further includes a knob, and the knob is fixed to the end of the screw rod.

[0023] By adopting the above technical solution, in addition to the screw rod, the fastener further includes a knob fixed to the end of the screw rod. The setting of the knob greatly facilitates the operator to rotate the screw rod. When it is necessary to fasten the bearing block and the support rod, the operator only needs to rotate the knob to drive the screw rod to rotate, and utilize the threaded fit between the screw rod and the bearing block to make the end of the screw rod tightly abut against the outer side wall of the support rod to achieve fastening. There is no need to rely on additional tools, the operation is simple and convenient, and the installation and maintenance efficiency are improved. At the same time, the presence of the knob also facilitates the subsequent adjustment or disassembly of the fastener, further enhancing the practicability and flexibility of the entire device, ensuring the stable connection between the support rod and the bearing block, and guaranteeing the normal functioning of the protection function of the communication cabinet.

[0024] In summary, the present application includes at least one of the following beneficial technical effects: 1. The protective cover is in an open umbrella shape, and the edge extends beyond the edge of the cabinet body, which can provide effective waterproof, dustproof and sunscreen protection for the cabinet body, enhance the protection effect, and provide a stable and reliable operating environment for communication equipment; 2. The clamping device can flexibly and stably clamp the support rod through the cooperation of the support, the driving mechanism and the two clamping members. The driving mechanism can accurately drive the clamping members to approach or move away from each other, realize the firm clamping or loosening of the support rod, prevent the protective device from loosening or shifting under strong wind, external force impact and other conditions, ensure that the protective cover always maintains the correct position, and guarantee the normal functioning of the protection function of the communication cabinet; 3. A bearing block is fixed on the support rod, and the top plate abuts against the lower surface of the bearing block, making the connection between the support rod and the top plate more stable and reasonable, dispersing the pressure, enhancing the overall structural stability, and ensuring that the support rod vertically and stably supports the protective cover. The bearing block is initially positioned with the support rod through the threading hole and then fixed with fasteners to prevent relative sliding or displacement, further enhancing the connection stability. Moreover, the knob facilitates the operator to rotate the screw for fastening, adjustment, or disassembly, improving the installation and maintenance efficiency, ensuring that the support rod stably supports the protective cover, and guaranteeing the protection function of the communication cabinet. Brief Description of the Drawings

[0025] Figure 1 is a schematic structural diagram of an outdoor three-proof communication cabinet in an embodiment of the present application.

[0026] Figure 2 is a schematic structural diagram of a protection device and fasteners in an embodiment of the present application.

[0027] Figure 3 is a schematic structural diagram of a clamping device in an embodiment of the present application.

[0028] Figure 4 is a schematic diagram of the assembly relationship of the clamping device in an embodiment of the present application.

[0029] Description of the Reference Numerals 1. Cabinet body; 2. Protection device; 21. Protective cover; 22. Support rod; 23. Bearing block; 24. Threading hole; 3. Clamping device; 31. Support; 311. Partition board; 312. Support plate; 32. Driving mechanism; 321. Motor; 322. Driving gear; 323. Linkage gear; 324. First driven gear; 325. Second driven gear; 326. First rack; 327. Second rack; 33. Clamping member; 331. Anti-slip protrusion; 332. Guide groove; 4. Fastener; 41. Screw; 42. Knob. Detailed Description of the Embodiment

[0030] The following is a further detailed description of the present application in conjunction with the attached Figures 1-4 drawings.

[0031] The terms used in the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. Unless otherwise defined, the technical terms or scientific terms used in the present application should have the ordinary meaning understood by those skilled in the art within the field to which the present application belongs. The "first", "second" and similar terms used in the present application do not indicate any order, quantity or importance, but are only used to distinguish different components.

[0032] For ease of understanding, in the horizontal direction of this embodiment, the state where the cabinet body 1 is placed upright on the ground is taken as the reference state. At this time, the protection device 2 is located at the top of the cabinet body 1. Based on this, the outdoor three-proof communication cabinet will be described.

[0033] An embodiment of the present application discloses an outdoor three-proof communication cabinet. Refer to Figure 1 , the outdoor three-proof communication cabinet includes a cabinet body 1, a protection device 2, and a clamping device 3. The protection device 2 is arranged on the top of the cabinet body 1, and the clamping device 3 is used to fix the protection device 2 on the top of the cabinet body 1.

[0034] Refer to Figure 1 and Figure 2 , the cabinet body 1 includes a top plate 11, and a through positioning hole is formed on the top plate 11. The protection device 2 includes a protective cover 21 and a support rod 22. The top end of the support rod 22 is fixedly connected to the protective cover 21, and the bottom end of the support rod 22 passes through the positioning hole. The clamping device 3 is arranged on the top plate 11, and the clamping device 3 is used to clamp the support rod 22. The shape of the protective cover 21 is in the shape of an opened umbrella, and the edge of the protective cover 21 extends beyond the edge of the cabinet body 1, so that the protective cover 21 always maintains the correct position, thereby ensuring the normal functioning of the waterproof, dustproof, and sunscreen functions of the communication cabinet.

[0035] Continue to refer to Figure 1 and Figure 2 , a bearing block 23 is fixedly arranged on the support rod 22, and the upper surface of the top plate 11 abuts against the lower surface of the bearing block 23. The function of the bearing block 23 is to disperse the pressure borne by the top plate 11 and position the support rod 22 to ensure that it vertically and stably supports the protective cover 21. The bearing block 23 can be made of high-strength plastic or metal material, and its shape should match the structures of the support rod 22 and the top plate 11. A through hole 24 is formed on the bearing block 23, and the support rod 22 passes through the through hole 24, which is convenient for the preliminary positioning and assembly of the support rod 22 and the bearing block 23. At the same time, a fastener 4 is arranged on the bearing block 23, and its function is to firmly fix the bearing block 23 on the support rod 22. The fastener 4 includes a screw 41 and a knob 42. The screw 41 is in threaded cooperation with the bearing block 23, and its end abuts against the outer side wall of the support rod 22. By rotating the knob 42, the position of the screw 41 can be conveniently adjusted, so as to realize the fastening or loosening operation of the bearing block 23.

[0036] Refer to Figure 1 and Figure 3, the support rod 22 is firmly held by the clamping device 3, so that the protective cover 21 is always kept in the correct position, thus ensuring the normal functioning of the waterproof, dustproof and sunscreen functions of the communication cabinet. The clamping device 3 is reasonably structured and easy to operate, and can effectively prevent the protective device 2 from loosening or shifting under strong winds, external force impacts, etc. At the same time, by setting the anti-slip protrusions 331 and the fasteners 4, the stability and reliability of the clamping device 3 are further enhanced, providing a strong guarantee for the stable operation of the communication equipment.

[0037] Specifically, the clamping device 3 includes a support 31, a driving mechanism 32 and two clamping members 33. The support 31 is fixed to the lower surface of the top plate 11. Both clamping members 33 are slidably engaged with the support 31. The driving mechanism 32 is arranged on the support 31 and is used to drive the two clamping members 33 to move towards each other or away from each other. The clamping member 33 can be made of high-strength plastic or metal alloy to ensure that it will not easily deform during the clamping process.

[0038] Specifically, the driving mechanism 32 includes a motor 321 and a gear assembly. A cavity is formed in the inner side wall of the support 31, and the gear assembly is located in the cavity. Specifically, the gear assembly includes a driving gear 322, a linkage gear 323, a first driven gear 324, a second driven gear 325, a first rack 326 and a second rack 327. The motor 321 is fixed to the surface of the support 31. The output shaft of the motor 321 passes through the support 31 and is rotatably connected to the support 31. The driving gear 322 is sleeved on the output shaft of the motor 321 and is fixedly connected to the output shaft of the motor 321. The first gear is rotatably connected to the support 31 through a rotating shaft, and the first gear meshes with the driving gear 322. The first rack 326 is integrally formed on one of the clamping members 33, and the driving gear 322 meshes with the first rack 326. The linkage gear 323 is rotatably connected to the support 31 through a rotating shaft, and the driving gear 322 meshes with the linkage gear 323. The second rack 327 is integrally formed on the other clamping member 33, and the linkage gear 323 meshes with the second rack 327.

[0039] Specifically, the support 31 includes a partition plate 311 and two support plates 312. The two support plates 312 are respectively fixed to opposite sides of the partition plate 311, and the two support plates 312 are symmetrical to each other. The cavity is located between the two support plates 312. One of the support plates 312 is fixed to the inner side wall of the top plate 11, and the motor 321 is fixed to the other support plate 312. The output shaft of the motor 321 passes through the support plate 312 and is rotatably connected to the support plate 312. The clamping member 33 is slidably disposed between the two support plates 312. Guide rails 313 are fixedly provided on the inner side walls of each support plate 312. Guide grooves 332 are formed on opposite sides of each clamping member 33. The outer side wall of the guide rail 313 abuts against the inner side wall of the guide groove 332, and the clamping member 33 is slidably engaged with the guide rail 313. The guide rail 313 can be a metal bar with a square or circular cross-section, and its material should have good wear resistance and stability. The shape of the guide groove 332 should match that of the guide rail 313 to ensure that the clamping member 33 does not shift during the sliding process.

[0040] A plurality of anti-slip protrusions 331 are provided on the side wall of the clamping member 33 close to the support rod 22. These anti-slip protrusions 331 can be cylindrical protrusions made of rubber, aiming to increase the friction between the clamping member 33 and the support rod 22 and prevent sliding during the clamping process. In addition, the distribution density and height of the anti-slip protrusions 331 can be adjusted according to actual needs to achieve the best anti-slip effect.

[0041] In another embodiment, the clamping device 3 can also adopt a hydraulic drive mode. The hydraulic drive system includes a hydraulic cylinder and a piston rod. The hydraulic cylinder is fixed to the support 31, and the piston rod is connected to the clamping member 33. By controlling the inlet and outlet of hydraulic oil, the telescopic movement of the piston rod can be realized, thereby driving the clamping member 33 to move. This method has a greater driving force and is suitable for occasions that require a greater clamping force. The seals of the hydraulic system should be selected from materials with high pressure resistance and corrosion resistance to ensure the long-term stable operation of the system.

[0042] In another embodiment, the clamping device 3 can also adopt a pneumatic drive mode. The pneumatic drive system includes a cylinder and a piston rod. The cylinder is fixed to the support 31, and the piston rod is connected to the clamping member 33. By controlling the inlet and outlet of compressed air, the telescopic movement of the piston rod can be realized, thereby driving the clamping member 33 to move. The advantages of the pneumatic system are fast response speed and simple operation, and it is suitable for occasions that require quick clamping and releasing. The seals of the cylinder should be selected from materials with wear resistance and high temperature resistance to ensure the reliability and durability of the system.

[0043] In another embodiment, the clamping device 3 can also adopt a manual adjustment method. The manual adjustment mechanism includes a handwheel and a lead screw. The handwheel is fixed to one end of the lead screw. The lead screw is in threaded cooperation with the support 31, and the other end thereof is connected to the clamping member 33. By rotating the handwheel, the lead screw can be driven to rotate, thereby realizing the movement of the clamping member 33. This method does not require electricity or other power sources, is simple to operate and has low cost, and is suitable for occasions where the clamping force requirement is not high or the power supply is inconvenient. The materials of the handwheel and the lead screw should be selected to be wear-resistant and corrosion-resistant to extend the service life.

[0044] The implementation principle of the above embodiment is as follows: The outdoor three-proof communication cabinet realizes the effective protection of communication equipment through the coordinated cooperation of the protection device 2, the clamping device 3 and the cabinet body 1. The protective cover 21 in the protection device 2 is in an open umbrella shape, and the edge extends beyond the edge of the cabinet body 1, providing waterproof, dust-proof and sun-proof protection for the cabinet body 1. The top end of the support rod 22 is fixedly connected to the protective cover 21, and the bottom end passes through the positioning hole on the top plate 11 of the cabinet body 1 to support the protective cover 21 on the top of the cabinet body 1. The clamping device 3 is used to firmly fix the protection device 2 on the top of the cabinet body 1, and it realizes the clamping function through the support 31, the driving mechanism 32 and the two clamping members 33. The support 31 is fixed to the lower surface of the top plate 11, providing a stable support for the clamping device 3. The two clamping members 33 are in sliding fit with the support 31 and can move in the direction of approaching or separating from each other under the drive of the driving mechanism 32, so as to clamp or loosen the support rod 22. The side wall of the clamping member 33 close to the support rod 22 is provided with anti-slip protrusions 331 to increase the friction between the clamping member 33 and the support rod 22 and prevent sliding.

[0045] The above are all the preferred embodiments of the present application. Without restricting the protection scope of the present application accordingly, therefore: All equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. An outdoor three-proof communication cabinet, characterized in that: It includes a cabinet main body (1), a protection device (2) and a clamping device (3); the cabinet main body (1) includes a top plate (11), and a through positioning hole is provided on the top plate (11); the protection device (2) includes a protection cover (21) and a support rod (22), the top end of the support rod (22) is fixedly connected to the protection cover (21), and the bottom end of the support rod (22) passes through the positioning hole; the clamping device (3) is arranged on the top plate (11), and the clamping device (3) is used for clamping the support rod (22); the shape of the protection cover (21) is an open umbrella shape, and the edge of the protection cover (21) extends beyond the edge of the cabinet main body (1).

2. The outdoor three-proof communication cabinet according to claim 1, wherein: The clamping device (3) includes a support (31), a driving mechanism (32) and two clamping members (33), the support (31) is fixed to the lower surface of the top plate (11), and the two clamping members (33) are both slidably matched with the support (31), the driving mechanism (32) is arranged on the support (31), and the driving mechanism (32) is used for driving the two clamping members (33) to move towards or away from each other.

3. The outdoor three-proof communication cabinet according to claim 2, wherein: The driving mechanism (32) includes a motor (321) and a gear assembly, a cavity is provided on the inner side wall of the support (31), and the gear assembly is located in the cavity; the gear assembly includes a driving gear (322), a linkage gear (323), a first driven gear (324), a second driven gear (325), a first rack (326) and a second rack (327); the motor (321) is fixed to the surface of the support (31), and the output shaft of the motor (321) passes through the support (31) and is rotatably connected to the support (31); the driving gear (322) is sleeved on the output shaft of the motor (321) and is fixedly connected to the output shaft of the motor (321), the first gear is rotatably connected to the support (31), and the first gear meshes with the driving gear (322); the first rack (326) is fixed to one of the clamping members (33), and the driving gear (322) meshes with the first rack (326); the linkage gear (323) is rotatably connected to the support (31), and the driving gear (322) meshes with the linkage gear (323); the second rack (327) is fixed to the other clamping member (33), and the linkage gear (323) meshes with the second rack (327).

4. The outdoor three-proof communication cabinet according to claim 3, characterized in that: The support (31) includes a partition plate (311) and two support plates (312). The two support plates (312) are respectively fixed on opposite sides of the partition plate (311), and the cavity is located between the two support plates (312); one of the support plates (312) is fixed on the inner side wall of the top plate (11), the motor (321) is fixed on the other support plate (312), and the output shaft of the motor (321) passes through the support plate (312) and is rotatably connected to the support plate (312); the clamping member (33) is slidably arranged between the two support plates (312). A guide rail (313) is fixedly arranged on the inner side wall of each support plate (312), and guide grooves (332) are formed on opposite sides of each clamping member (33). The outer side wall of the guide rail (313) abuts against the inner side wall of the guide groove (332), and the clamping member (33) is slidably matched with the guide rail (313).

5. An outdoor three-proof communication cabinet according to any one of claims 2-4, characterized in that: A plurality of anti-slip protrusions (331) are arranged on the side wall of the clamping member (33) close to the support rod (22).

6. The outdoor three-proof communication cabinet according to claim 1, wherein: A bearing block (23) is fixedly arranged on the support rod (22), and the upper surface of the top plate (11) abuts against the lower surface of the bearing block (23).

7. An outdoor three-proof communication cabinet according to claim 6, characterized in that: A through hole (24) is formed in the bearing block (23), and the support rod (22) passes through the through hole (24); a fastening member (4) is arranged on the bearing block (23), and the fastening member (4) is used to fix the bearing block (23) on the support rod (22).

8. The outdoor three-proof communication cabinet according to claim 7, wherein: The fastening member (4) includes a screw (41), the screw (41) is in threaded cooperation with the bearing block (23), and the end of the screw (41) abuts against the outer side wall of the support rod (22).

9. The outdoor three-proof communication cabinet according to claim 8, characterized in that: The fastening member (4) further includes a knob (42), and the knob (42) is fixed to the end of the screw (41).

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