A splicing structure for switchgear

Abstract

The present invention discloses a splicing structure for switch cabinets, which relates to the technical field of switch cabinet splicing and includes a cabinet body and a cabinet door. A fixing mechanism and a pre-connection mechanism are provided at the top of the cabinet body. By setting the fixing mechanism and the pre-connection mechanism, the connecting block is inserted into the inner wall of the connection groove to limit the cabinet body. When the bolt is installed, the pushing block is displaced into the card slot to fix the connecting block and prevent the connecting block from being displaced out of the connection groove, thereby strengthening the splicing between the cabinet bodies. When separating the cabinet bodies, the bolt is removed, and the movable plate is pushed downward to drive the pushing block to be displaced out of the card slot, thereby canceling the fixation of the connecting block, facilitating the pre-connection between the two cabinet bodies to prevent the displacement of the positions between the cabinet bodies. Then, the cabinet bodies are fixedly connected through the fixing mechanism, and at the same time, the pre-connection mechanism strengthens the connection of the cabinet bodies to prevent loosening between the cabinet bodies.

Description

Technical Field

[0001] The present invention relates to the technical field of switch cabinet splicing, and specifically to a switch cabinet splicing structure. Background Art

[0002] A switch cabinet is an electrical device. The external line of the switch cabinet first enters the main control switch inside the cabinet, and then enters the sub-control switch. Each branch is set as required, such as meters, automatic controls, motor magnetic switches, various AC contactors, etc. Some also have high-voltage and low-voltage switch cabinets, with high-voltage busbars, such as in power plants, etc. Some also have low-frequency load shedding to protect the main equipment. The main function of the switch cabinet is to open, control, and protect electrical equipment during the processes of power generation, transmission, distribution, and power conversion in the power system. The components inside the switch cabinet mainly include circuit breakers, disconnectors, load switches, operating mechanisms, transformers, and various protection devices, etc. There are many classification methods for switch cabinets. For example, they can be divided into withdrawable switch cabinets and fixed switch cabinets according to the installation method of the circuit breaker; or according to different cabinet structures, they can be divided into open switch cabinets, metal-enclosed switch cabinets, and metal-enclosed armored switch cabinets; according to different voltage levels, they can be divided into high-voltage switch cabinets, medium-voltage switch cabinets, and low-voltage switch cabinets, etc.

[0003] Currently, when splicing one switch cabinet with another, a crane is used to drive one switch cabinet to one side of another switch cabinet, and manual assistance is used to finely adjust the position of the switch cabinet. After completion, the two switch cabinets are fixedly connected by bolts. However, when the two switch cabinets are connected, it is difficult for the crane to ensure the precise position, which affects the subsequent fixation, resulting in repeated adjustment of the position and reducing the connection efficiency of the switch cabinets. Summary of the Invention

[0004] The purpose of the present invention is to provide a switch cabinet splicing structure to solve the problem that the fixation operation is easily affected by the deviation of the position during the docking of switch cabinets.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A switch cabinet splicing structure includes a cabinet body and a cabinet door. The cabinet door is rotatably connected to one end of the cabinet body. A fixing mechanism is provided at the top of the cabinet body. The fixing mechanism includes a fixing seat and a movable plate. The fixing seat is fixedly connected to one side of the top of the cabinet body, and the movable plate is slidably connected to the other side of the top of the cabinet body. A pre-connection mechanism is provided between the cabinet body and the fixing mechanism. The pre-connection mechanism includes a groove and a connection block. The groove is opened on the side of the cabinet body close to the movable plate, and the connection block is rotatably connected to the inner wall of the groove.

[0006] As a further solution of the present invention: The fixing mechanism further includes a fixing groove, which is opened inside the fixing seat and penetrates through the fixing seat. A bolt is connected to the inner wall of the fixing groove, and a nut is connected to the outer wall of the bolt.

[0007] As a further solution of the present invention: The pre-connection mechanism further includes a card slot, which is opened on the outer wall of the connection block. A connection groove is opened on one side of the cabinet body close to the fixing seat. A card block that extends to the inner wall of the fixing groove is slidably connected inside the cabinet body. The bottom end of the card block is connected to the inner wall of the connection groove. A limiting block is fixedly connected to one side of the card block. A limiting groove is opened on the outer wall of the limiting block inside the cabinet body. A pressing block that is connected to the inner wall of the groove is fixedly connected to the bottom end of the movable plate. A slider that extends to the outer wall of the connection block is slidably connected inside the connection block. A connection spring is connected between the slider and the connection block. A top block that extends to the inner wall of the card slot is slidably connected inside the connection block. A spur gear is rotatably connected between the top block and the slider inside the connection block.

[0008] As a further solution of the present invention: A through hole that penetrates through the movable plate is opened inside the movable plate. The inner walls of the through hole and the fixing groove are both in contact with the outer wall of the bolt, and the bolt is matched with the nut.

[0009] As a further solution of the present invention: The inner wall of the groove is in contact with the outer wall of the connection block, and the connection block is rotatably connected to the groove through a rotating shaft.

[0010] As a further solution of the present invention: The outer wall of the connection block is in contact with the inner wall of the connection groove, and the inner wall of the card slot is in contact with the outer wall of the card block.

[0011] As a further solution of the present invention: One end of the card block located on the inner wall of the fixing groove is provided with an inclined surface, and the bottom end of the inclined surface is inside the fixing seat. An activity groove for the displacement of the card block is opened inside the fixing seat and the cabinet body. The limiting groove is located on one side of the activity groove, and the inner wall of the limiting groove is in contact with the outer wall of the limiting block.

[0012] As a further solution of the present invention: A sliding groove is opened inside the connection block, and the inner wall of the sliding groove is in contact with the outer wall of the slider. The outer wall of the top block is in contact with the inner wall of the card slot.

[0013] As a further solution of the present invention: Tooth grooves are provided on the outer walls of the slider and the top block, and the spur gear is meshed with the tooth grooves. A rotating groove for the rotation of the spur gear is opened inside the connection block.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0015] By providing a fixing mechanism and a pre-connection mechanism, the connection block is inserted into the inner wall of the connection slot to limit the cabinet body. When installing the bolt, the pushing block is displaced into the card slot to fix the connection block and prevent the connection block from being displaced out of the connection slot, thereby strengthening the splicing between the cabinet bodies. When separating the cabinet bodies, the bolt is removed, and the movable plate is pushed downward to drive the pushing block to displace out of the card slot, thereby canceling the fixation of the connection block, facilitating pre-connection between the two cabinet bodies, preventing the offset of the positions between the cabinet bodies, and then fixedly connecting the cabinet bodies through the fixing mechanism, while the pre-connection mechanism strengthens the connection between the cabinet bodies to prevent looseness between the cabinet bodies. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the present invention;

[0017] Figure 2 is a docking schematic diagram of the cabinet body of the present invention;

[0018] Figure 3 is a cross-sectional view of the cabinet body of the present invention;

[0019] Figure 4 is of the present invention Figure 3 enlarged view at position of the present invention;

[0020] Figure 5 is an installation schematic diagram of the connection block of the present invention;

[0021] Figure 6 is a schematic structural diagram of the pressing block of the present invention;

[0022] Figure 7 is a cross-sectional view of the connection block of the present invention.

[0023] In the figure: 1, cabinet body; 2, cabinet door; 3, fixing mechanism; 301, fixing seat; 302, movable plate; 303, fixing groove; 304, bolt; 305, nut; 4, pre-connection mechanism; 401, groove; 402, connection block; 403, card slot; 404, connection slot; 405, pushing block; 406, limiting block; 407, limiting groove; 408, pressing block; 409, sliding block; 410, connecting spring; 411, top block; 412, spur gear. DETAILED DESCRIPTION OF THE INVENTION

[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0025] Please refer to Figures 1 to 7 , in an embodiment of the present invention, a splicing structure of a switch cabinet includes a cabinet body 1 and a cabinet door 2. The cabinet door 2 is rotatably connected to one end of the cabinet body 1. A fixing mechanism 3 is provided at the top end of the cabinet body 1. The fixing mechanism 3 includes a fixing seat 301 and a movable plate 302. The fixing seat 301 is fixedly connected to one side of the top end of the cabinet body 1, and the movable plate 302 is slidably connected to the other side of the top end of the cabinet body 1; a pre-connection mechanism 4 is provided between the cabinet body 1 and the fixing mechanism 3. The pre-connection mechanism 4 includes a groove 401 and a connection block 402. The groove 401 is opened on one side of the cabinet body 1 close to the movable plate 302, and the connection block 402 is rotatably connected to the inner wall of the groove 401.

[0026] In this embodiment: when two cabinet bodies 1 are docked, the cabinet bodies 1 are pre-connected through the pre-connection mechanism 4 to prevent the displacement of the positions of the cabinet bodies 1. Then, the cabinet bodies 1 are fixedly connected through the fixing mechanism 3. At the same time, the pre-connection mechanism 4 strengthens the connection of the cabinet bodies 1 to prevent the cabinet bodies 1 from loosening.

[0027] Please refer specifically to Figures 1 - 5 , the fixing mechanism 3 further includes a fixing groove 303. The fixing groove 303 is opened inside the fixing seat 301 and penetrates through the fixing seat 301. The inner wall of the fixing groove 303 is connected with a bolt 304, and the outer wall of the bolt 304 is connected with a nut 305. A through hole penetrating through the movable plate 302 is opened inside the movable plate 302. The inner walls of the through hole and the fixing groove 303 are both fitted with the outer wall of the bolt 304, and the bolt 304 is matched with the nut 305.

[0028] In this embodiment: when fixing the cabinet body 1, the two cabinet bodies 1 are attached to each other, and the bolt 304 is inserted into the fixing groove 303 and the through hole in sequence. Through the combination of the bolt 304 and the nut 305, the two cabinet bodies 1 are fixedly spliced.

[0029] Please refer specifically to Figures 1 - 7, the pre - connection mechanism 4 further includes a card slot 403, the card slot 403 is opened on the outer wall of the connection block 402, a connection groove 404 is opened on one side of the cabinet body 1 close to the fixed seat 301, a card block 405 extending to the inner wall of the fixed slot 303 is slidably connected inside the cabinet body 1, the bottom end of the card block 405 is connected to the inner wall of the connection groove 404, a limiting block 406 is fixedly connected to one side of the card block 405, a limiting groove 407 is opened on the outer wall of the limiting block 406 inside the cabinet body 1, a pressing block 408 connected to the inner wall of the groove 401 is fixedly connected to the bottom end of the movable plate 302, the shape of the pressing block 408 is T - shaped, a slider 409 extending to the outer wall of the connection block 402 is slidably connected inside the connection block 402, a connection spring 410 is connected between the slider 409 and the connection block 402, a top block 411 extending to the inner wall of the card slot 403 is slidably connected inside the connection block 402, and a spur gear 412 is rotatably connected between the top block 411 and the slider 409 inside the connection block 402.

[0030] In this embodiment: When splicing the cabinet body 1, rotate the connection block 402, the connection block 402 rotates out of the groove 401, insert the connection block 402 into the inner wall of the connection groove 404, so as to limit the cabinet body 1 and prevent the displacement of the positions between the cabinet bodies 1, which affects the subsequent fixation. When installing the bolt 304, the bolt 304 passes through the fixed slot 303, the bolt 304 contacts the card block 405, pushes the card block 405 to displace, the card block 405 displaces into the card slot 403 to fix the connection block 402 and prevent the connection block 402 from displacing out of the connection groove 404, thereby strengthening the splicing between the cabinet bodies 1. When separating the cabinet body 1, remove the bolt 304 to cancel the fixation of the cabinet body 1, push the movable plate 302 downward, the downward displacement of the movable plate 302 drives the pressing block 408 to displace, the displacement of the pressing block 408 contacts the slider 409 and pushes the slider 409 to displace, the displacement of the slider 409 drives the spur gear 412 to rotate, the rotation of the spur gear 412 drives the top block 411 to displace, the displacement of the top block 411 enters the card slot 403 and contacts the card block 405, and pushes the card block 405 out of the card slot 403, thereby canceling the fixation of the connection block 402, and thus the cabinet body 1 can be separated.

[0031] Please refer specifically to Figures 1 - 6 , the inner wall of the groove 401 fits with the outer wall of the connection block 402, the connection block 402 is rotatably connected to the groove 401 through a rotating shaft, the outer wall of the connection block 402 fits with the inner wall of the connection groove 404, the inner wall of the card slot 403 fits with the outer wall of the card block 405, a slope is provided at one end of the card block 405 located on the inner wall of the fixed slot 303, the bottom end of the slope is located inside the fixed seat 301, movable slots for the displacement of the card block 405 are opened in the fixed seat 301 and the cabinet body 1, the limiting groove 407 is located on one side of the movable slot, and the inner wall of the limiting groove 407 fits with the outer wall of the limiting block 406.

[0032] In this embodiment: Rotate the connecting block 402, and the connecting block 402 rotates out of the groove 401. Insert the connecting block 402 into the inner wall of the connecting groove 404. When installing the bolt 304, the bolt 304 passes through the fixing groove 303. The bolt 304 contacts the inclined surface of the clamping block 405, pushing the clamping block 405 to displace. The clamping block 405 displaces into the clamping groove 403 to fix the connecting block 402 and prevent the connecting block 402 from displacing out of the connecting groove 404, thereby strengthening the splicing between the cabinets 1.

[0033] Please refer specifically to Figures 5 - 7 , a chute is formed inside the connecting block 402. The inner wall of the chute fits with the outer wall of the slider 409. The outer wall of the top block 411 fits with the inner wall of the clamping groove 403. Tooth grooves are provided on the outer walls of the slider 409 and the top block 411. The spur gear 412 meshes with the tooth grooves. A rotating groove for the rotation of the spur gear 412 is formed inside the connecting block 402.

[0034] In this embodiment: When separating the cabinet 1, remove the bolt 304 to cancel the fixation of the cabinet 1. Push the movable plate 302 downward. The downward displacement of the movable plate 302 drives the downward pressing block 408 to displace. The displacement of the downward pressing block 408 contacts the slider 409 and pushes the slider 409 to displace. The displacement of the slider 409 drives the spur gear 412 to rotate. The rotation of the spur gear 412 drives the top block 411 to displace. The displacement of the top block 411 enters the clamping groove 403 and contacts the clamping block 405, pushing the clamping block 405 out of the clamping groove 403, thereby canceling the fixation of the connecting block 402 and enabling the separation of the cabinet 1.

[0035] The above-mentioned is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent replacements or changes, and all should be covered within the protection scope of the present invention.

Claims

1. A splicing structure of a switch cabinet, comprising a cabinet body (1) and a cabinet door (2), wherein the cabinet door (2) is rotatably connected to one end of the cabinet body (1), and is characterized in that, A fixing mechanism (3) is provided at the top of the cabinet body (1). The fixing mechanism (3) includes a fixing base (301) and a movable plate (302). The fixing base (301) is fixedly connected to one side of the top of the cabinet body (1), and the movable plate (302) is slidably connected to the other side of the top of the cabinet body (1). A pre-connection mechanism (4) is provided between the cabinet body (1) and the fixing mechanism (3). The pre-connection mechanism (4) includes a groove (401) and a connection block (402). The groove (401) is opened on the side of the cabinet body (1) close to the movable plate (302), and the connection block (402) is rotatably connected to the inner wall of the groove (401). The fixing mechanism (3) further includes a fixing groove (303). The fixing groove (303) is opened inside the fixing base (301) and penetrates through the fixing base (301). A bolt (304) is connected to the inner wall of the fixing groove (303), and a nut (305) is connected to the outer wall of the bolt (304). The pre-connection mechanism (4) further includes a card slot (403). The card slot (403) is opened on the outer wall of the connection block (402). A connection slot (404) is opened on the side of the cabinet body (1) close to the fixing base (301). A card block (405) extending to the inner wall of the fixing groove (303) is slidably connected inside the cabinet body (1). The bottom end of the card block (405) is connected to the inner wall of the connection slot (404). A limiting block (406) is fixedly connected to one side of the card block (405). A limiting slot (407) is opened on the outer wall of the limiting block (406) inside the cabinet body (1). A pressing block (408) connected to the inner wall of the groove (401) is fixedly connected to the bottom end of the movable plate (302). A slider (409) extending to the outer wall of the connection block (402) is slidably connected inside the connection block (402). A connection spring (410) is connected between the slider (409) and the connection block (402). A top block (411) extending to the inner wall of the card slot (403) is slidably connected inside the connection block (402). A spur gear (412) is rotatably connected between the top block (411) and the slider (409) inside the connection block (402). One end of the card block (405) located on the inner wall of the fixing groove (303) is provided with an inclined surface. The bottom end of the inclined surface is located inside the fixing base (301). An activity groove for the displacement of the card block (405) is opened inside the fixing base (301) and the cabinet body (1). The limiting slot (407) is located on one side of the activity groove. The inner wall of the limiting slot (407) is fitted with the outer wall of the limiting block (406).

2. The splicing structure of a switch cabinet according to claim 1, characterized in that, A through hole penetrating the movable plate (302) is formed inside the movable plate (302). The inner walls of the through hole and the fixed groove (303) are both in contact with the outer wall of the bolt (304), and the bolt (304) is matched with the nut (305).

3. A splicing structure of a switch cabinet according to claim 1, characterized in that, The inner wall of the groove (401) is in contact with the outer wall of the connecting block (402), and the connecting block (402) is rotatably connected to the groove (401) through a rotating shaft.

4. A splicing structure of a switch cabinet according to claim 1, characterized in that, The outer wall of the connecting block (402) is in contact with the inner wall of the connecting groove (404), and the inner wall of the clamping groove (403) is in contact with the outer wall of the clamping block (405).

5. A splicing structure of a switch cabinet according to claim 1, characterized in that, A sliding groove is formed inside the connecting block (402). The inner wall of the sliding groove is in contact with the outer wall of the sliding block (409), and the outer wall of the top block (411) is in contact with the inner wall of the clamping groove (403).

6. A splicing structure of a switch cabinet according to claim 1, characterized in that, Tooth grooves are provided on the outer walls of the sliding block (409) and the top block (411). The spur gear (412) is meshed with the tooth grooves, and a rotating groove for the rotation of the spur gear (412) is formed inside the connecting block (402).

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