Fixing structural member device for outdoor 5G base station mainboard

Abstract

The invention provides a fixing structural member device for an outdoor 5G base station mainboard. The fixing structural member device comprises a case and a case door, the plurality of mounting bodies are arranged in the case; the plurality of rack bodies are respectively arranged in each mounting body; and the plurality of limiting bodies are respectively arranged in each rack body. By arranging the installation body, the device can provide a stable installation foundation for the machine frame body, when the machine frame body slides along the installation frame, a spring and a limiting block in a sliding groove in a fixing block can make contact with the surface of the machine frame body, and the buffering effect and the connection stability are further enhanced through a second rubber pad; the front side of the machine frame body is limited through the elastic effect of the springs, impact of outdoor vibration on the main board body is effectively buffered, meanwhile, the through holes in the side faces of the mounting frames are connected with the connecting plates, the connecting rods and the limiting blocks can be driven to slide in the sliding grooves by pulling the connecting plates, rapid mounting and dismounting of the machine frame body are facilitated, and the maintenance efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of 5G base station motherboards, and more particularly to a fixing structure device for outdoor 5G base station motherboards. Background Technology

[0002] The fixing structural components used for outdoor 5G base station motherboards mainly refer to a type of special structural components that combine mechanical fixing and environmental protection functions. Their design must meet the stringent outdoor use requirements such as shock resistance, wind resistance, corrosion resistance, heat dissipation, and rapid installation.

[0003] In practical applications, existing technologies for fixing structures of outdoor 5G base station motherboards have revealed several shortcomings. First, traditional fixing structures often employ a single rigid connection method, such as directly fixing the motherboard to the base station chassis with bolts. When encountering frequent outdoor vibrations (such as tower swaying caused by wind or ground vibrations transmitted by passing vehicles), there is a lack of effective buffering between the motherboard and the fixing structure. This can easily lead to problems such as solder joint detachment and circuit breakage of electronic components on the motherboard due to continuous stress, seriously affecting the stable operation of the base station. Second, if there are small gaps or oxidation in the bolt connection, a rusting bolt effect can occur, generating passive intermodulation interference, affecting the data transmission rate under carrier aggregation, and reducing communication quality. Summary of the Invention

[0004] The present invention aims to solve the problem that in the prior art, a single rigid bolt is used to rigidly fix the motherboard to the inside of the base station chassis. When encountering frequent outdoor vibrations, there is no effective buffer between the motherboard and the fixed structure, which can easily lead to problems such as solder joint detachment and circuit breakage.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows: A fixing structure device for an outdoor 5G base station motherboard, comprising: Chassis and doors; Several mounting bodies are disposed inside the chassis. Each mounting body includes two mounting brackets that are fixedly connected to two symmetrically distributed on the inner wall of the chassis. Each mounting bracket is fixedly connected to two fixing blocks. Several rack bodies are respectively disposed inside each mounting body. The rack body includes a frame body, and a mounting slot is provided in the frame body. The motherboard body is installed in the mounting slot. Several limiting bodies are respectively set inside each frame body. Each limiting body includes two slots formed on the upper and lower surfaces of the frame body. Each slot is slidably connected to each fixing block. The upper surface of the mounting slot has a first fitting slot. A protective plate is rotatably connected in the first fitting slot. A second fitting slot is formed on one side of the protective plate. A third fitting slot is formed on the other side of the protective plate. A stop plate is rotatably connected in the second fitting slot. A pull plate is engaged in the third fitting slot. A through hole is formed between the second and third fitting slots. A connecting rope is installed between the pull plate and the stop plate.

[0006] Furthermore, the connecting rope is located inside the perforation, the thickness of the first fitting groove is the same as the thickness of the protective plate, and the thickness of the second fitting groove is the same as the thickness of the abutment plate.

[0007] Furthermore, each of the fixed blocks has a groove, each groove has a spring, one end of each spring is fixedly connected to a limit block, each limit block has a connecting rod fixedly connected to it, each mounting bracket has two through holes on its side, each groove and the corresponding through hole are connected, a connecting plate is installed between the two opposite through holes, and the two ends of the connecting plate are fixedly connected to two parallel connecting rods respectively.

[0008] Furthermore, each of the connecting rods is located inside a corresponding spring, and each of the limiting blocks is slidably connected to a corresponding groove.

[0009] Furthermore, each of the mounting slots has multiple connecting slots, and one side of the motherboard body has multiple connecting rods electrically connected to the connecting slots.

[0010] Furthermore, when the connecting plate and the surface of the frame body are in contact, each of the springs is in a compressed state.

[0011] Furthermore, each of the chassis bodies is slidably connected to two corresponding mounting brackets, and each of the motherboard bodies is slidably connected to a corresponding mounting slot.

[0012] Furthermore, the side of each limiting block away from the machine frame body is set as an inclined surface, and multiple heat dissipation holes are opened on one side of the box door.

[0013] Furthermore, a rubber pad is installed on one side of each of the limiting blocks, a rubber pad is installed at the contact point between each of the mounting brackets and the machine frame body, and a rubber pad is installed on one side of each of the abutment plates.

[0014] Compared with the prior art, the beneficial effects of the present invention include: 1. This invention provides a stable mounting base for the frame by setting up a mounting body. When the frame slides along the mounting bracket, the spring and limit block in the groove on the fixing block will contact the surface of the frame. The second rubber pad further enhances the buffering effect and connection stability. The elasticity of the spring forms a limit on the front side of the frame, effectively buffering the impact of outdoor vibration on the main board. At the same time, the through hole on the side of the mounting bracket is connected to the connecting plate. By pulling the connecting plate, the connecting rod and the limit block can slide in the groove, which facilitates the quick installation and disassembly of the frame and improves maintenance efficiency.

[0015] 2. This invention effectively limits the mainboard body by setting a limiting body. The first fitting groove on the upper surface of the mounting slot prevents the mainboard from being obstructed during installation. After the mainboard is installed, the protective plate flips and falls due to gravity. When the protective plate and the mounting slot are perpendicular, the abutment plate flips further until it is perpendicular to the protective plate. The rubber pad three further limits the lateral movement of the mainboard to prevent it from shifting. The pull plate in the third fitting groove on the other side of the protective plate is connected to the abutment plate through a connecting rope in the perforation. When the mainboard needs to be disassembled, pulling the pull plate can drive the abutment plate into the second fitting groove, which in turn pushes the protective plate to rotate into the first fitting groove, thus making it easy to separate the mainboard. This ensures that the mainboard is stably installed in outdoor environments and improves the device's vibration resistance and structural reliability. Attached Figure Description

[0016] The disclosure of this invention is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this invention. In the drawings, the same reference numerals are used to refer to the same parts. Wherein: Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the structure of the fixing body of the present invention; Figure 3 This is a schematic diagram of the mounting bracket of the present invention; Figure 4 This is a schematic diagram of the structure of the limiting block of the present invention; Figure 5 This is a schematic diagram of the structure of the frame body of the present invention; Figure 6 This is a schematic diagram of the structure of the protective plate of the present invention; Figure 7 For the present invention Figure 6 A magnified view of a portion of point A in the middle.

[0017] Numbering on the map: 1. Main structure; 11. Chassis; 12. Chassis door; 2. Fixing body; 21. Mounting body; 211. Mounting bracket; 212. Fixing block; 213. Slide groove; 214. Through hole; 215. Spring; 216. Limiting block; 217. Connecting rod; 218. Connecting plate; 22. Frame body; 221. Frame body; 222. Connecting groove; 223. Mounting groove; 224. Main board body; 225. Connecting rod; 23. Limiting body; 231. Slot; 232. Mating groove one; 233. Protective plate; 234. Mating groove two; 235. Support plate; 236. Connecting rope; 237. Through hole; 238. Mating groove three; 239. Pull plate. Detailed Implementation

[0018] It is readily understood that, based on the technical solution of this invention, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of the invention. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative examples of the technical solution of this invention and should not be considered as the entirety of the invention or as limitations or restrictions on the technical solution of this invention.

[0019] Please see Figures 1 to 7 This embodiment discloses a fixing structure device for outdoor 5G base station motherboard, which is mainly used for easy disassembly and fixing of the motherboard, thereby ensuring the stability and efficiency of motherboard installation.

[0020] like Figure 1 As shown, this device mainly includes a main structure 1 that serves as the overall frame and a fixing body 2 for easy assembly and disassembly of the rack and motherboard.

[0021] The main structure 1 provides stable support for the fixed body 2. It mainly includes a chassis 11 and a door 12. The front side of the door 12 has multiple evenly distributed heat dissipation holes, which can effectively promote air circulation and ensure that the heat inside the equipment is dissipated in time, thereby maintaining a stable operating environment. The chassis 11 is fixed to the installation platform of the outdoor base station by expansion bolts. The chassis 11 is made of high-strength metal plates welded together, with a sturdy and durable structure and good impact resistance and corrosion resistance. It has a cavity inside, which serves as the housing space for the fixed body 2, so as to ensure that the fixed body 2 can be placed safely and stably inside, while facilitating installation and maintenance.

[0022] The mounting body 2 mainly includes four mounting bodies 21, four rack bodies 22, and four limiting bodies 23. The mounting bodies 21 are U-shaped block structures, set inside the chassis 11, and are made of high-strength aluminum alloy. They are tightly connected to the inner wall of the chassis 11 by bolts, providing a solid mounting foundation for the entire mounting body 2. The rack bodies 22 are rectangular metal components, and their number corresponds to the number of mounting bodies 21. They are set inside each mounting body 21. The limiting bodies 23 are also made of metal and are set inside each rack body 22 to ensure the accuracy and stability of the motherboard mounting position.

[0023] Furthermore, each mounting body 21 mainly includes two symmetrically distributed mounting brackets 211, which are fixed to the left and right side walls of the chassis 11 by bolts. On the surface of each mounting bracket 211, two fixing blocks 212 located symmetrically at the top and bottom are welded. The fixing blocks 212 are rectangular in shape, and each fixing block 212 has a vertically oriented sliding groove 213 inside. A spring 215 with a certain elasticity is installed inside each sliding groove 213. One end of the spring 215 is firmly fixed to the limiting block 216, and a connecting rod 217 is welded to the limiting block 216. In addition, two through holes 214 are provided on the side of each mounting bracket 211. Each through hole 214 is connected to the corresponding slide groove 213. An integral connecting plate 218 is provided between the two through holes 214 located opposite each other on the mounting brackets 211 on both sides. The two ends of the connecting plate 218 are firmly fixed to two parallel connecting rods 217 by bolts. In the whole structure, the spring 215 only undergoes axial elastic compression or elongation deformation inside the corresponding slide groove 213, thereby effectively ensuring the stability of the connection and the control of relative displacement.

[0024] Furthermore, each frame body 22 mainly includes a frame body 221. The frame body 221 has an internal mounting slot 223. The inner wall of each mounting slot 223 is machined with multiple connecting slots 222. These connecting slots 222 are used to realize electrical connection. Multiple connecting rods 225 are fixedly installed on one side of the main board body 224. These connecting rods 225 are precisely aligned with the connecting slots 222 and realize electrical connection, ensuring stable cooperation between the main board body 224 and the frame body 221. Each frame body 221 is slidably connected to the corresponding two mounting brackets 211, which facilitates the installation and disassembly of the frame body 221. At the same time, each main board body 224 is also slidably connected to the corresponding mounting slot 223, so that the main board body 224 can be smoothly inserted into or removed from the mounting slot 223, improving the convenience of assembly and maintenance.

[0025] Furthermore, each limiting body 23 mainly includes two slots 231 equally formed on the upper and lower surfaces of the frame body 221. The four slots 231 are slidably connected to the corresponding fixing blocks 212 to ensure easy installation of the frame body 221. On the upper surface of the mounting slot 223, a first fitting slot 232 is provided. A protective plate 233 is rotatably connected inside the first fitting slot 232 via a rotating shaft to achieve opening and closing protection. One side of the protective plate 233 is designed with a second fitting slot 234, and the other side has a third fitting slot 238. A stop plate 235 is rotatably connected inside the second fitting slot 234 via a rotating shaft to limit the main body 224. A pull plate 239 is snapped into and fixed inside the third fitting slot 238 for easy manual adjustment and protection. The rotation range of both the guard plate 233 and the abutment plate 235 is 0° to 90° clockwise. In the area between the second mating groove 234 and the third mating groove 238, a through hole 237 is also processed for threading a connecting rope 236 of a fixed length. The two ends of the connecting rope 236 are connected to the pull plate 239 and the abutment plate 235 respectively, so that pulling the pull plate 239 can drive the abutment plate 235 to rotate accordingly. In addition, the depth dimension of the first mating groove 232 is designed to be completely consistent with the thickness of the guard plate 233, so that the guard plate 233 can fit with the second mating groove 234. Similarly, the depth of the second mating groove 234 is also matched with the thickness of the abutment plate 235, so that the abutment plate 235 can fit with the third mating groove 238, ensuring the overall coordination and stability of the assembled components.

[0026] Each connecting rod 217 is located inside the corresponding spring 215, and each limiting block 216 forms a sliding connection with the corresponding slide groove 213. When the mounting plane of the connecting plate 218 is in complete contact with the surface of the frame body 221, each spring 215 inside is in a state of uniform compression, thereby ensuring the fiber effect of each limiting block 216 on the frame body 221. When the operator pulls the connecting plate 218, the spring 215 is further compressed, causing the limiting block 216 to move into the slide groove 213, facilitating the fiber effect of the frame body 221. 21. During the separation and removal process, the outer wall of the limiting block 216 and the inner wall of the slide groove 213 maintain a tight sliding fit, ensuring the stability and guidance of the movement process and effectively avoiding component jamming or damage caused by shaking. At the same time, the design of the connecting plate 218 fully considers the convenience of operation. Its outer surface is provided with anti-slip texture, which increases the friction between the hand and the connecting plate, making it easier for the operator to pull or push the connecting plate 218 and less prone to slippage, further improving the user experience and operating efficiency of the entire fixed structure device.

[0027] Furthermore, the side of each limiting block 216 away from the frame body 221 is designed as an inclined surface. When the frame body 221 needs to be installed, there is no need to pull the connecting plate 218, which simplifies the installation steps. During the process of pushing the frame body 221, its edge will contact the inclined surface of the limiting block 216. As the frame body 221 continues to advance, the inclined surface is squeezed, and the limiting block 216 will slide inward along the slide groove 213. At this time, the spring 215 is further compressed and accumulates elastic potential energy. When the frame body 221 is fully pushed in and the mounting plane of the connecting plate 218 is in contact with the surface of the frame body 221, the limiting block 216, under the action of the elastic restoring force of the spring 215, quickly slides out of the slide groove 213 and returns to the initial working position, and presses against the side of the frame body 221 again, thereby realizing the rapid and automatic locking of the frame body 221. The entire installation process is smooth and efficient, greatly shortening the installation time, and is especially suitable for outdoor base stations and other scenarios that require rapid deployment and maintenance.

[0028] A rubber pad is securely installed on one side of each limiting block 216. The rubber pad is located at the contact point between the limiting block 216 and the side of the frame body 221 to provide a buffering and limiting effect. When the limiting block 216 is pressed against the frame body 221, the rubber pad can avoid direct rigid contact between the metal parts. When subjected to external impact or vibration, it can play a good buffering role, reduce the damage to the frame body 221 caused by collision, and at the same time increase the limiting effect between the limiting block 216 and the frame body 221, further improve the stability of the lock, and prevent the frame body 221 from loosening or shifting during use. Meanwhile, rubber pad two is placed between the mating surfaces of the mounting bracket 211 and the chassis body 221. It can fill any tiny gaps that may exist between them, improve the sealing of the mounting surface, and effectively prevent external dust, moisture, and other impurities from entering the device, protecting core components such as the motherboard from corrosion. After the chassis body 221 is installed in place, rubber pad two is compressed, and the resulting reaction force makes the fit between the chassis body 221 and the mounting bracket 211 tighter, enhancing the stability of the overall structure. Furthermore, when the device is subjected to vibration, rubber pad two can absorb some vibration energy, providing a shock-absorbing effect. In addition, rubber pad three is installed on the corresponding side of each abutment plate 235. When the abutment plate 235 fixes the motherboard, rubber pad three directly contacts the motherboard surface. It is soft and elastic, providing uniform and stable pressure to the motherboard without damaging the surface components, ensuring that the motherboard does not shake inside the chassis body 221. At the same time, rubber pad three also acts as insulation, preventing electrical conductivity between the abutment plate 235 and the motherboard, ensuring the normal operation of the motherboard. Through the synergistic effect of these three rubber pads, the entire fixing structure device not only securely fixes the main board, but also possesses excellent buffering, shock absorption, sealing, and insulation performance, significantly improving the reliability and service life of the device in complex outdoor environments.

[0029] The actual application process of the fixing structure of the outdoor 5G base station motherboard in this embodiment is as follows: First, the chassis 11 is fixed to the outdoor base station mounting platform using expansion bolts, ensuring that the chassis 11 is level and stable. Next, the operator holds both sides of the chassis body 221 with both hands, aligns it with the gap between the two mounting brackets 211, and then pushes it smoothly into the chassis 11. During the pushing process, the edge of the chassis body 221 will first contact the inclined surface of the limiting block 216. With continuous force, the limiting block 216 slides inward along the slide groove 213 under the squeezing action of the inclined surface, and the spring 215 is compressed. When the chassis body 221 is fully pushed in and its surface is in contact with the mounting plane of the connecting plate 218, the limiting block 216 quickly returns to its original position under the elastic restoring force of the spring 215. The rubber pad one tightly abuts against the side of the chassis body 221, realizing the initial fixation of the chassis body 221. At the same time, the rubber pad two between the mounting brackets 211 and the contact surface of the chassis body 221 is compressed, further enhancing the stability and sealing of the connection.

[0030] Subsequently, align the side of the motherboard body 224 with the connecting rod 225 with the connecting groove 222 in the mounting slot 223, and smoothly insert it along the guide direction of the mounting slot 223. At this time, the protective plate 233 in the first fitting groove 232 on the upper surface of the mounting slot 223 flips upward under the push of the motherboard body 224 and is stored in the first fitting groove 232, without obstructing the installation of the motherboard body 224. When the motherboard body 224 is fully inserted into the mounting slot 223, the protective plate 233 loses the support of the motherboard and flips downward under the influence of gravity. When the protective plate 233 flips to a state perpendicular to the mounting slot 223, the abutment plate 235 further flips under its own gravity until it is perpendicular to the protective plate 233. The rubber pad on the abutment plate 235 is tightly attached to the surface of the motherboard body 224, forming a lateral limit on the motherboard body 224 to prevent it from shifting during use.

[0031] If maintenance or replacement of the motherboard body 224 is required later, the operator only needs to pull the pull plate 239 in the mating groove 3 238. The pull plate 239, through the connecting rope 236 in the through hole 237, drives the abutment plate 235 to rotate into the mating groove 234 and be stored. Then, push the protective plate 233 upward to rotate it into the mating groove 1 232, and the motherboard body 224 can be smoothly removed from the mounting groove 223. If it is necessary to disassemble the chassis body 221, the operator can hold the anti-slip texture on the outer surface of the connecting plate 218 and pull it outward. The connecting plate 218, through the connecting rod 217, drives the limiting block 216 to further compress the spring 215 and move it into the slide groove 213, releasing the limitation on the frame body 221. Then the frame body 221 can be pulled out from between the mounting brackets 211. The whole process is simple to operate and can quickly complete the installation and disassembly of the motherboard body 224 and the frame body 221, effectively improving the maintenance efficiency of the outdoor 5G base station motherboard. At the same time, through multiple limiting and buffering structures, the stable operation of the motherboard in the complex outdoor environment is ensured.

[0032] In one modified embodiment, the shape of the fixing block 212 is not limited to a rectangle, but can also be cylindrical or ellipsoidal, as long as the limiting block 216 can move vertically within the sliding groove 213 inside the fixing block 212. In addition, the side of the limiting block 216 away from the frame body 221 can also be set as an arc surface or curved surface, which can ensure that the frame body 221 slides in.

[0033] In another modified embodiment, the connecting rope 236 can be set as an elastic rope. In this case, a steel plate is embedded inside the abutment plate 235. When the pull plate 239 and the mating groove 238 are engaged and the abutment plate 235 is in a horizontal state, the elastic rope is at its maximum elastic limit.

[0034] In another modified embodiment, double torsion springs can be installed between the protective plate 233 and the first fitting groove 232, and between the abutment plate 235 and the second fitting groove 234, to realize the rotational adjustment of the protective plate 233 and the abutment plate 235, further ensuring the limiting effect of the protective plate 233 and the abutment plate 235. When the protective plate 233 and the abutment plate 235 are under the action of the double torsion springs, the perpendicular state of the protective plate 233 and the mounting groove 223 and the parallel state of the abutment plate 235 and the mounting groove 223 are more closely aligned, which can effectively prevent the protective plate 233 and the abutment plate 235 from accidentally popping open, thereby continuously and stably protecting the main body 224, and further enhancing the protective reliability and structural stability of the entire fixed structure device.

[0035] The technical scope of this invention is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this invention, and all such modifications and variations should fall within the protection scope of this invention.

Claims

1. A fixing structure device for an outdoor 5G base station motherboard, characterized in that, include: Chassis (11) and door (12); Several mounting bodies (21) are disposed inside the chassis (11). Each mounting body (21) includes two mounting brackets (211) that are symmetrically distributed on the inner wall of the chassis (11) and fixedly connected to each mounting bracket (211). Two fixing blocks (212) are fixedly connected to each mounting bracket (211). Several rack bodies (22) are respectively disposed inside each mounting body (21). The rack body (22) includes a frame body (221), and a mounting slot (223) is provided in the frame body (221). A motherboard body (224) is installed in the mounting slot (223). Several limiting bodies (23) are respectively disposed inside each frame body (22). The limiting body (23) includes two slots (231) formed on the upper and lower surfaces of the frame body (221). Each slot (231) is slidably connected to each fixing block (212). The upper surface of the mounting slot (223) is provided with a first fitting groove (232). A protective plate (233) is rotatably connected in the first fitting groove (232). A fitting groove 2 (234) is provided on one side of the protective plate (233), and a fitting groove 3 (238) is provided on the other side of the protective plate (233). A stop plate (235) is rotatably connected in the fitting groove 2 (234), and a pull plate (239) is snapped in the fitting groove 3 (238). A through hole (237) is provided between the fitting groove 2 (234) and the fitting groove 3 (238), and a connecting rope (236) is installed between the pull plate (239) and the stop plate (235).

2. The fixing structure device for an outdoor 5G base station motherboard according to claim 1, characterized in that: The connecting rope (236) is located inside the perforation (237), the thickness of the first fitting groove (232) is the same as the thickness of the protective plate (233), and the thickness of the second fitting groove (234) is the same as the thickness of the abutment plate (235).

3. The fixing structure device for an outdoor 5G base station motherboard according to claim 1, characterized in that: Each of the fixed blocks (212) has a groove (213) inside, and a spring (215) is installed in each groove (213). One end of each spring (215) is fixedly connected to a limit block (216). A connecting rod (217) is fixedly connected to each limit block (216). Two through holes (214) are opened on the side of each mounting bracket (211). Each groove (213) and the corresponding through hole (214) are connected. A connecting plate (218) is installed between two opposite through holes (214). The two ends of the connecting plate (218) are fixedly connected to two parallel connecting rods (217) respectively.

4. A fixing structure device for an outdoor 5G base station motherboard according to claim 3, characterized in that: Each of the connecting rods (217) is located inside a corresponding spring (215), and each of the limiting blocks (216) is slidably connected to a corresponding groove (213).

5. A fixing structure device for an outdoor 5G base station motherboard according to claim 1, characterized in that: Each of the mounting slots (223) has multiple connecting slots (222), and a number of connecting rods (225) electrically connected to the connecting slots (222) are installed on one side of the main board body (224).

6. A fixing structure device for an outdoor 5G base station motherboard according to claim 3, characterized in that: When the connecting plate (218) and the frame body (221) are in contact, each of the springs (215) is in a compressed state.

7. A fixing structure device for an outdoor 5G base station motherboard according to claim 1, characterized in that: Each of the chassis bodies (221) is slidably connected to two corresponding mounting brackets (211), and each of the motherboard bodies (224) is slidably connected to a corresponding mounting slot (223).

8. A fixing structure device for an outdoor 5G base station motherboard according to claim 3, characterized in that: Each of the limiting blocks (216) has an inclined surface on the side away from the frame body (221), and multiple heat dissipation holes are provided on one side of the door (12).

9. A fixing structure device for an outdoor 5G base station motherboard according to claim 8, characterized in that: Each of the limiting blocks (216) has a rubber pad one installed on one side, each of the mounting brackets (211) and the machine frame body (221) has a rubber pad two installed at the contact point, and each of the abutments (235) has a rubber pad three installed on one side.

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