Multifunctional connector for power distribution cabinet

Abstract

The invention relates to the technical field of power distribution cabinet connectors, in particular to a multifunctional connector for a power distribution cabinet. Comprising a cabinet body frame, the cabinet body frame comprises two supporting side frames, and the two supporting side frames are connected through a plurality of connecting profiles; the supporting side frame is of a rectangular structure and comprises parallel transverse sectional materials and parallel longitudinal sectional materials, and the transverse sectional materials, the longitudinal sectional materials and the connecting sectional materials are fixedly connected and installed through connectors. The connector comprises a triangular rib and a connecting rib, the connecting rib is arranged at the joint of three ribs of the triangular rib, and the connecting rib is locked and mounted on the triangular rib through a connecting screw; the cabinet body frame can be assembled together through the connector, so that the operation process of the power distribution cabinet is more convenient and faster in the production and transportation process and the subsequent use and maintenance process.

Description

Technical Field

[0001] The present invention relates to the technical field of distribution cabinet connectors, and particularly relates to a multifunctional connector for a distribution cabinet. Background Art

[0002] A distribution cabinet, also known as a switch cabinet, is an electrical device used for power distribution, power control, and circuit protection. The distribution cabinet mainly consists of a cabinet body, electrical components inside the cabinet body, and a circuit. Among them, the cabinet body of the distribution cabinet can provide mechanical protection for the internal electrical components, preventing them from being affected by external factors such as collision, extrusion, dust, and moisture, ensuring the normal operation of the electrical components and circuits inside the cabinet body, and providing an installation support structure for various electrical components, enabling them to be arranged and fixed in an orderly manner according to the established electrical wiring scheme, ensuring the stability and reliability of electrical connections. At the same time, it can also isolate the live parts in the circuit from the outside world, preventing accidental contact with the live body by personnel and causing electric shock accidents, and ensuring the safety of operators.

[0003] The cabinet body of the distribution cabinet is assembled by a support frame and a cabinet surface. Since the distribution cabinet in large-scale integrated circuits is usually large in volume and heavy in weight, the support frame of the distribution cabinet is relatively important in the cabinet body. However, most of the connections of the existing distribution cabinet frames are connected by welding, which is very cumbersome and inconvenient during the production or transportation of the distribution cabinet. And when a failure occurs during the use of the distribution cabinet or when the cabinet body accessories need to be replaced, due to the welding connection method, the entire cabinet body can only be replaced during the replacement or repair of the cabinet body, and the operation is very complicated in the actual use process. Summary of the Invention

[0004] The purpose of the present invention is to solve the problems in the background art and provide a multifunctional connector for a distribution cabinet, so that the frames of the cabinet body can be assembled together through the connector, making the operation process more convenient and fast during the production, transportation, subsequent use, and maintenance of the distribution cabinet.

[0005] The above technical purpose of the present invention is achieved through the following technical solutions: A multifunctional connector for a distribution cabinet, including a cabinet body frame. The cabinet body frame includes two support side frames, and the two support side frames are connected by a plurality of connecting profiles. The support side frame is of a rectangular structure and includes a transverse profile and a longitudinal profile that are parallel to each other. The transverse profile, the longitudinal profile, and the connecting profile are fixedly connected and installed through a connector. The connector includes a triangular rib and a connecting rib. The connecting rib is arranged at the junction of the three ribs of the triangular rib, and the connecting rib is locked and installed on the triangular rib through a connecting screw.

[0006] Preferably, the triangular rib is provided with three reinforcing ribs in different directions, including a transverse rib, a longitudinal rib and a support rib, wherein the support rib and the longitudinal rib are arranged in the same vertical direction; the transverse rib on the triangular rib is used to connect with the transverse profile, the longitudinal rib on the triangular rib is used to connect with the longitudinal profile, and the transverse profile and the longitudinal profile are fixedly connected through the triangular rib to form a support side frame. The support rib on the triangular rib can provide support for the top and bottom of the cabinet frame.

[0007] Preferably, reinforcing rib threaded holes are provided on the peripheral side walls of the transverse rib and the longitudinal rib, chamfers are provided on the side edges of the transverse rib and the longitudinal rib for easy installation, and support threaded holes are further provided on the end faces of the support ribs; the reinforcing rib threaded holes provided on the peripheral side walls of the transverse rib and the longitudinal rib can enable the triangular rib to be locked and installed on the profile through screws. Connector locking holes are provided on the profile. After the screws pass through the connector locking holes and are locked to the reinforcing rib threaded holes, the triangular rib of the connector can be fixedly installed on the profile, realizing the connection between the connectors of each profile. Chamfers are provided on the side edges of the transverse rib and the longitudinal rib, which is more convenient during production, transportation and subsequent maintenance and replacement.

[0008] Preferably, the connecting part of the transverse rib, the longitudinal rib and the support rib is a thickened part, and the thickness of the thickened part is thicker than the thickness of the three reinforcing ribs of the triangular rib; the thickened part of the triangular rib is located at the intersection of the three ribs. When the triangular rib is inserted into the profile, a large part of the pressure received by the entire cabinet frame is transmitted to the thickened part of the triangular rib on the connector. Therefore, the thickness of the thickened part is thicker than the thickness of the three reinforcing ribs of the triangular rib, enabling the connector to bear higher loads, making the strength of the connector higher and the reliability better during actual use.

[0009] Preferably, on one end of the end faces on both sides of the thickened part, there are connection screw mounting holes for the connection screws to pass through, and on the other end, there is a square connection rib mounting groove. Chamfer transitions are provided at the four corners of the connection rib mounting groove, and the depth of the connection rib mounting groove is at least greater than half of the thickness of the thickened part; the connection rib mounting groove is used to mount the connection rib of the connector. The connection rib has a different direction from the three reinforcing ribs of the triangular rib. Therefore, the profiles can be assembled into a frame through the connector. The depth of the connection rib mounting groove determines the load that the connection rib installed in the groove can bear. The depth of the connection rib mounting groove is at least greater than half of the thickness of the thickened part, enabling the connection rib to bear the same load as other reinforcing ribs and making the strength of the connection rib higher.

[0010] Preferably, the countersunk head hole of the connecting screw installation hole is designed as a conical structure. The connecting screw used is a flat head socket head cap screw. The connecting rib installation groove is in a communicating state with the connecting screw installation hole. After passing through the connecting screw installation hole, the connecting screw can extend into the connecting rib installation groove. The countersunk head thickness of the flat head socket head cap screw is much smaller than that of other screws. Therefore, when used on the connector, more thickness can be reserved for the connecting rib installation groove. The greater the depth of the installation groove, the higher the strength provided by the connecting rib in the groove, making the cabinet frame more stable and less prone to deformation after installation when bearing loads.

[0011] Preferably, the connecting rib includes a connecting rib installation shaft and a connecting rib support portion. The connecting rib is fixedly installed in the connecting rib installation groove through the connecting rib installation shaft. The thickness of the connecting rib support portion is thicker than that of the connecting rib installation shaft. Chamfer transitions are provided on the side edges of the connecting rib installation shaft and the connecting rib support portion for easy installation. The connecting rib is installed in the connecting rib installation groove of the triangular rib, and the direction of the connecting rib is different from the directions of the three reinforcing ribs of the triangular rib. This enables the connector to connect multiple profiles in different directions to form a cabinet frame. Due to the connection function of the connector, a large amount of space can be saved during the production and transportation of the cabinet frame. At the same time, when disassembling and repairing the power distribution cabinet, the repair steps can be simplified by disassembling the connector, and the operation and maintenance efficiency can be improved.

[0012] Preferably, a locking threaded hole is provided on the end face of the connecting rib installation shaft. The connecting screw is fixed through threaded connection with the locking threaded hole. Connecting rib threaded holes are also provided on the side surfaces around the connecting rib support portion. After inserting the connecting rib installation shaft into the connecting rib installation groove of the triangular rib, and then passing the connecting screw through the connecting screw installation hole and locking it in the locking threaded hole on the end face of the connecting rib installation shaft, the connecting rib can be fixedly installed on the triangular rib to form a connector. The connecting rib threaded holes provided on the side surfaces around the connecting rib support portion correspond to the locking holes of the connecting profile, and the connecting profile can be fixedly installed on the connecting rib support portion of the connector.

[0013] Preferably, the transverse profile, the longitudinal profile, and the connecting profile are all made of the same profile. The lengths of the three can be determined according to actual usage. The profile is provided with a connector installation cavity for installing the connector reinforcing rib. A number of connector locking holes for locking and installing the connector are also arranged in an array on the two side walls outside the connector installation cavity. Screws can be used to threadedly connect through the connector locking holes to the reinforcing rib threaded holes and the connecting rib threaded holes; the cabinet frame is composed of connecting profiles after connecting the profiles. The profile is provided with a connector installation cavity for installing the connector reinforcing rib. After the connector is installed on the connector installation cavity, it is locked with screws through the connector locking holes on the profile, realizing the connection of the connector to each profile; the cabinet frame composed of connecting profiles through the connector avoids the use of traditional welding methods for manufacturing, making the cabinet more flexible, and making it more convenient to disassemble and install the power distribution cabinet during maintenance and replacement, improving the maintenance efficiency of the cabinet. At the same time, since the material of the connector can provide higher strength compared to the welded solder joints, the cabinet of the power distribution cabinet can bear greater loads and has better quality.

[0014] Preferably, the end parts of both ends of the longitudinal profile and the connecting profile are waterproof sleeve installation parts. The waterproof sleeve installation parts are set as bevel edges with an angle. The bevel edge angle is 135°. A waterproof sleeve is also installed on the waterproof sleeve installation part; the connecting profile connects the two support side frames together through the connector to form the cabinet frame. The waterproof sleeve installation parts at both ends of the longitudinal profile and the connecting profile are provided with bevel edges with an angle of 135°. When the two ends of the longitudinal profile and the connecting profile are assembled, the bevel edges at both ends can be spliced into a straight line, making the installation more beautiful. At the same time, a waterproof sleeve can be installed at the end. The waterproof sleeve can completely cover the gap after splicing the ends of the profiles, so that after rain or other water encounters occur, the rainwater flowing through the profile will flow through the waterproof sleeve and finally fall to the bottom of the power distribution cabinet, and will not penetrate into the cabinet interior to affect the normal operation of the internal circuit and electrical components, improving the stability and safety of the power distribution cabinet during operation, and at the same time ensuring the safety of the operators of the power distribution cabinet.

[0015] In summary, the beneficial effects of the present invention are as follows: 1. For the multifunctional connector for a power distribution cabinet described in the present invention, the connector is assembled by a triangular rib and a connecting rib. The four reinforcing ribs of the connector are set in different directions, and the profiles can be assembled through the connector to form a power distribution cabinet frame. The connecting rib on the connector is installed by screwing. The cabinet can be disassembled and assembled by loosening the screws, making it more convenient during the production and transportation of the cabinet frame of the power distribution cabinet. At the same time, it can also make the maintenance, disassembly, and assembly of the power distribution cabinet more flexible, improving the maintenance efficiency of the power distribution cabinet; 2. A multifunctional connector for a power distribution cabinet according to the present invention is arranged in a connector installation cavity on a profile and is fixedly installed with a connector locking hole on the profile through a screw, avoiding the traditional method of assembling profiles by welding, making the flexibility of the cabinet frame better, and making it more convenient to disassemble and assemble the cabinet during maintenance. At the same time, compared with welding, the connector can provide higher strength for the cabinet frame, enabling the power distribution cabinet to withstand greater loads and improving the quality of the power distribution cabinet. 3. A multifunctional connector for a power distribution cabinet according to the present invention is provided with waterproof sleeve installation parts at both ends of the longitudinal profile and the connecting profile connected by the connector, and a waterproof sleeve is installed on the installation part. The waterproof sleeve can completely cover the gap after the assembly of the profile ends, so that rainwater and other water stains flowing through the assembly part will not flow into the cabinet interior through the gap, affecting the normal operation of the internal circuit and electrical components, improving the safety and stability of the power distribution cabinet during operation, and also ensuring the safety of the operators of the power distribution cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the cabinet frame of the present invention; Figure 2 is a schematic structural diagram of the connector of the present invention; Figure 3 is a schematic structural diagram of the triangular rib of the connector of the present invention; Figure 4 is a schematic structural diagram of the connecting rib of the connector of the present invention; Figure 5 is a schematic structural diagram of the profile of the present invention; Figure 6 is a schematic structural diagram of the connection part of the cabinet frame of the present invention.

[0017] Reference numerals in the figures: 1 - cabinet frame, 10 - support side frame, 101 - transverse profile, 102 - longitudinal profile, 1001 - connector installation cavity, 1002 - connector locking hole, 11 - connecting profile, 12 - waterproof sleeve installation part, 13 - waterproof sleeve, 2 - connector, 20 - triangular rib, 201 - transverse rib, 202 - longitudinal rib, 203 - support rib, 204 - reinforcing rib threaded hole, 205 - support threaded hole, 206 - thickened part, 207 - connecting screw installation hole, 208 - connecting rib installation groove, 21 - connecting rib, 211 - connecting rib installation shaft, 212 - connecting rib support part, 212 - connecting rib support part, 213 - locking threaded hole, 214 - connecting rib threaded hole, 22 - connecting screw. DETAILED DESCRIPTION OF THE INVENTION

[0018] The following specific embodiments are only explanations of the present invention and do not limit the present invention. After reading this specification, those skilled in the art can make modifications to these embodiments without creative contributions as needed, but as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

[0019] The present invention will be described in detail below with reference to the accompanying drawings by way of embodiments.

[0020] Embodiment

[0021] According to Figures 1 to 6 As shown, a multifunctional connector for a power distribution cabinet includes a cabinet frame 1. The cabinet frame 1 includes two support side frames 10, and the two support side frames 10 are connected by a plurality of connecting profiles 11; the support side frame 10 is a rectangular structure, including a horizontal profile 101 parallel to each other and a vertical profile 102 parallel to each other. The horizontal profile 101, the vertical profile 102, and the connecting profile 11 are fixedly connected and installed through a connector 2; the connector 2 includes a triangular rib 20 and a connecting rib 21. The connecting rib 21 is arranged at the junction of the three ribs of the triangular rib 20, and the connecting rib 21 is locked and installed on the triangular rib 20 through a connecting screw 22.

[0022] According to Figure 2 、 Figure 3 As shown, the triangular rib 20 is provided with three reinforcing ribs in different directions, including a horizontal rib 201, a vertical rib 202, and a support rib 203. Among them, the support rib 203 and the vertical rib 202 are arranged in the same vertical direction; the horizontal rib 201 on the triangular rib 20 is used to connect with the horizontal profile 101, the vertical rib 202 on the triangular rib 20 is used to connect with the vertical profile 102. After the horizontal profile 101 and the vertical profile 102 are fixedly connected through the triangular rib 20, they will form the support side frame 10. The support rib 203 on the triangular rib 20 can provide top and bottom support for the cabinet frame.

[0023] According to Figure 3 As shown, reinforcing rib threaded holes 204 are opened on the peripheral side walls of the horizontal rib 201 and the vertical rib 202. Chamfers are provided on the side edges of the horizontal rib 201 and the vertical rib 202 to facilitate installation. A support threaded hole 205 is also opened on the end face of the support rib 203; the reinforcing rib threaded holes 204 opened on the peripheral side walls of the horizontal rib 201 and the vertical rib 202 can allow the triangular rib 20 of the connector 2 to be locked and installed on the profile through screws. The profile is provided with a connector locking hole 1002. After the screw passes through the connector locking hole 1002 and is locked to the reinforcing rib threaded hole 204, the triangular rib 20 of the connector 2 can be fixedly installed on the profile, realizing the connection between the connector 2 and each profile. Chamfers are provided on the side edges of the horizontal rib 201 and the vertical rib 202, which is more convenient during production, transportation, and subsequent maintenance and replacement.

[0024] As shown in Figure 3 Figure 1, the part where the horizontal rib 201, the vertical rib 202 and the support rib 203 are connected is the thickened part 206. The thickness of the thickened part 206 is thicker than that of the three reinforcing ribs of the triangular rib 20. The thickened part 206 of the triangular rib 20 is located at the intersection of the three ribs. When the triangular rib 20 is inserted into the profile, a large part of the pressure borne by the entire cabinet frame 1 will be transmitted to the thickened part 206 of the triangular rib 20 on the connector 2. Therefore, the thickness of the thickened part 206 should be thicker than that of the three reinforcing ribs of the triangular rib 20 so that the connector 2 can bear a higher load, making the strength of the connector 2 higher and the reliability better during actual use.

[0025] As shown in Figure 2 Figure 2 Figure 3 and Figure 3, on one end of the end faces on both sides of the thickened part 206, there are connection screw mounting holes 207 for the connection screw 22 to pass through, and on the other end, there is a square connection rib mounting groove 208. Chamfer transitions are provided at the four corners of the connection rib mounting groove 208, and the depth of the connection rib mounting groove 208 is at least greater than half of the thickness of the thickened part 206. The connection rib mounting groove 208 is used to mount the connection rib 21 of the connector 2. The direction of the connection rib 21 is different from that of the three reinforcing ribs of the triangular rib 20. Therefore, the profile can be assembled into the frame 1 through the connector 2. The depth of the connection rib mounting groove 208 determines the load that the connection rib 21 installed in the groove can bear. The depth of the connection rib mounting groove 208 is at least greater than half of the thickness of the thickened part, enabling the connection rib 21 to bear the same load as other reinforcing ribs and making the strength of the connection rib 21 higher.

[0026] As shown in Figures 2 to 4 Figure 4, the screw counterbore of the connection screw mounting hole 207 is designed as a conical structure. The connection screw 22 uses a flat head hexagon socket screw. The connection rib mounting groove 208 and the connection screw mounting hole 207 are in a communicating state. After passing through the connection screw mounting hole 207, the connection screw 22 can extend into the connection rib mounting groove 208. The counterbore thickness of the flat head hexagon socket screw is much smaller than that of other screws. Therefore, more thickness can be reserved for the connection rib mounting groove 208 when used on the connector 2. The greater the depth of the mounting groove, the higher the strength provided by the connection rib 21 in the groove, making the cabinet frame 1 more stable and not easily deformed after being installed and bearing the load.

[0027] As shown in Figure 4As shown, the connecting rib 21 includes a connecting rib mounting shaft 211 and a connecting rib supporting portion 212. The connecting rib 21 is fixedly mounted in the connecting rib mounting groove 208 through the connecting rib mounting shaft 211. The thickness of the connecting rib supporting portion 212 is thicker than that of the connecting rib mounting shaft 211. Chamfer transitions are provided on the side edges of the connecting rib mounting shaft 211 and the connecting rib supporting portion 212 to facilitate installation. The connecting rib 21 is mounted in the connecting rib mounting groove 208 of the triangular rib 20, and the direction of the connecting rib 21 is different from the directions of the three reinforcing ribs of the triangular rib 20, which enables the connector 2 to connect multiple profiles in different directions to form the cabinet frame 1. Due to the connection function of the connector 2, a large amount of space can be saved during the production and transportation of the cabinet frame 1. At the same time, when the power distribution cabinet is disassembled and repaired, the maintenance steps can be simplified by disassembling the connector 2, and the operation and maintenance efficiency can be improved.

[0028] According to Figure 2 、 Figure 4 As shown, a locking threaded hole 213 is provided on the end face of the connecting rib mounting shaft 211. The connecting screw 22 is fixed by being threadedly connected to the locking threaded hole 213. Connecting rib threaded holes 214 are also provided on the side surfaces around the connecting rib supporting portion 212. After inserting the connecting rib mounting shaft 211 into the connecting rib mounting groove 208 of the triangular rib 20, the connecting screw 22 is passed through the connecting screw mounting hole 207 and then locked in the locking threaded hole 213 on the end face of the connecting rib mounting shaft 211, and the connecting rib 21 can be fixedly mounted on the triangular rib 20 to form the connector 2. The connecting rib threaded holes 214 provided on the side surfaces around the connecting rib supporting portion 212 correspond to the connector locking holes 1002 of the connecting profile 11, and the connecting profile 11 can be fixedly mounted on the connecting rib supporting portion 212 of the connector 2.

[0029] According to Figure 1 、 Figure 5As shown, the transverse profile 101, the longitudinal profile 102, and the connecting profile 11 are all made of the same profile, and the lengths of the three can be determined according to actual usage; a connector installation cavity 1001 for installing the reinforcing rib of the connector 2 is provided on the profile, and a number of connector locking holes 1002 for locking and installing the connector 2 are also arranged in an array on the two side walls outside the connector installation cavity 1001. Screws can be used to thread-connect the profile to the reinforcing rib threaded hole 204 and the connecting rib threaded hole 214 through the connector locking holes 1002; the cabinet frame 1 is composed of connecting the profiles through the connector 2. A connector installation cavity 1001 for installing the reinforcing rib of the connector 2 is provided on the profile. After the connector 2 is installed on the connector installation cavity 1001, it is locked with screws through the connector locking holes 1002 on the profile, realizing the connection of the connector 2 to each profile; the cabinet frame 1 formed by connecting through the connector 2 avoids the use of traditional welding methods for manufacturing, making the cabinet more flexible, and making it more convenient to disassemble and install the power distribution cabinet during maintenance and replacement, improving the maintenance efficiency of the cabinet. At the same time, since the connector 2 can provide higher strength compared to the welding joints, the cabinet of the power distribution cabinet can bear a greater load and has better quality.

[0030] According to Figure 6 As shown, the end parts at both ends of the longitudinal profile 102 and the connecting profile 11 are waterproof sleeve installation parts 12. The waterproof sleeve installation parts 12 are set as bevel edges with an angle, and the bevel edge angle is 135°. A waterproof sleeve 13 is also installed on the waterproof sleeve installation parts 12; after the connecting profile 11 connects the two support side frames 10 together through the connector 2 to form the cabinet frame 1, the waterproof sleeve installation parts 12 at both ends of the longitudinal profile 102 and the connecting profile 11 are provided with bevel edges with an angle of 135°. When the two ends of the longitudinal profile 102 and the connecting profile 11 are assembled, the bevel edges at both ends can be spliced into a straight line, making the installation more beautiful. At the same time, a waterproof sleeve 13 can be installed at the end. The waterproof sleeve 13 can completely cover the gap after splicing the end parts of the profile. When it rains or other water-related situations occur, the rainwater flowing through the profile will flow through the waterproof sleeve 13 and finally fall to the bottom of the power distribution cabinet, and will not penetrate into the cabinet interior to affect the normal operation of the internal circuit and electrical components, improving the stability and safety of the power distribution cabinet during operation, and at the same time ensuring the safety of the operators of the power distribution cabinet.

Claims

1. A multifunctional connector for a power distribution cabinet, comprising a cabinet frame (1), characterized in that: The cabinet frame (1) comprises two supporting side frames (10), and the two supporting side frames (10) are connected by a plurality of connecting profiles (11); the supporting side frames (10) are rectangular structures, and comprise mutually parallel transverse profiles (101) and mutually parallel longitudinal profiles (102); the transverse profiles (101), the longitudinal profiles (102) and the connecting profiles (11) are fixedly connected and installed by a connector (2); the connector (2) comprises a triangular rib (20) and a connecting rib (21); the connecting rib (21) is arranged at the junction of three ribs of the triangular rib (20), and the connecting rib (21) is locked and installed on the triangular rib (20) by connecting screws (22).

2. A multifunctional connector for a power distribution cabinet according to claim 1, characterized in that: The triangular rib (20) is provided with three reinforcing ribs in different directions, including transverse ribs (201), longitudinal ribs (202) and supporting ribs (203), wherein the supporting ribs (203) and the longitudinal ribs (202) are arranged in the same vertical direction.

3. A multifunctional connector for a power distribution cabinet according to claim 2, characterized in that: Reinforcing rib threaded holes (204) are provided on the surrounding side walls of the transverse rib (201) and the longitudinal rib (202), chamfers are provided on the side edges of the transverse rib (201) and the longitudinal rib (202) for easy installation, and supporting threaded holes (205) are also provided on the end faces of the supporting ribs (203).

4. A multifunctional connector for a power distribution cabinet according to claim 2, characterized in that: The portion where the transverse rib (201), the longitudinal rib (202) and the supporting rib (203) are connected is a thickened portion (206), and the thickness of the thickened portion (206) is thicker than the thickness of the three reinforcing ribs of the triangular rib (20).

5. A multifunctional connector for a power distribution cabinet according to claim 4, characterized in that: The end surfaces on both sides of the thickened portion (206) are provided with a connecting screw mounting hole (207) for the connecting screw (22) to pass through at one end, and a square connecting rib mounting groove (208) is provided at the other end, the four corners of the connecting rib mounting groove (208) are provided with chamfered transitions, and the depth of the connecting rib mounting groove (208) is at least greater than half the thickness of the thickened portion (206).

6. A multifunctional connector for a power distribution cabinet according to claim 5, characterized in that: The screw countersunk hole of the connecting screw mounting hole (207) is designed as a conical structure, the connecting screw (22) uses a flat head hexagon socket screw, the connecting rib mounting groove (208) and the connecting screw mounting hole (207) are in a connected state, and the connecting screw (22) can extend into the connecting rib mounting groove (208) after passing through the connecting screw mounting hole (207).

7. A multifunctional connector for a power distribution cabinet according to claim 5, characterized in that: The connecting rib (21) comprises a connecting rib installation shaft (211) and a connecting rib support portion (212); the connecting rib (21) is fixedly installed in the connecting rib installation groove (208) via the connecting rib installation shaft (211); the thickness of the connecting rib support portion (212) is thicker than the thickness of the connecting rib installation shaft (211); and chamfered transitions are provided on the side edges of the connecting rib installation shaft (211) and the connecting rib support portion (212) to facilitate installation.

8. A multifunctional connector for a power distribution cabinet according to claim 7, characterized in that: A locking threaded hole (213) is provided on the end surface of the connecting rib mounting shaft (211), and the connecting screw (22) is fixed by being threadedly connected to the locking threaded hole (213). Connecting rib threaded holes (214) are also provided on the side surfaces around the connecting rib support portion (212).

9. A multifunctional connector for a power distribution cabinet according to claim 8, characterized in that: The transverse profile (101), the longitudinal profile (102) and the connecting profile (11) are all made of the same profile, and the lengths of the three can be determined according to actual usage conditions; a connector installation cavity (1001) for installing the reinforcing rib of the connector (2) is provided on the profile, and a plurality of connector locking holes (1002) for locking and installing the connector (2) are also arranged in an array on two side walls outside the connector installation cavity (1001); screws can be used to thread the profile onto the reinforcing rib threaded hole (204) and the connecting rib threaded hole (214) through the connector locking hole (1002).

10. A multifunctional connector for a power distribution cabinet according to claim 9, characterized in that: The ends of both ends of the longitudinal profile (102) and the connecting profile (11) are waterproof cover mounting portions (12), the waterproof cover mounting portion (12) is arranged as an angled bevel, the bevel angle is 135°, and a waterproof cover (13) is also mounted on the waterproof cover mounting portion (12).

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