CN116722452B

CN116722452B - Assembled switch board

Info

Publication number: CN116722452B
Application number: CN202310995314.9A
Authority: CN
Inventors: 张静静; 张珊珊
Original assignee: Shaanxi Gaoyan Intelligent Technology Co ltd
Current assignee: Shaanxi Gaoyan Intelligent Technology Co ltd
Priority date: 2023-08-09
Filing date: 2023-08-09
Publication date: 2024-02-13
Anticipated expiration: 2043-08-09
Also published as: CN116722452A

Abstract

The invention discloses an assembled power distribution cabinet, and relates to the technical field of power distribution cabinets. The power distribution cabinet comprises a base and four upright posts which are cooperatively arranged on the upper surface of the base; at least two side plates A/B which are distributed up and down are connected between two adjacent upright posts in a matching way; two adjacent side surfaces of the upright post are provided with T-shaped sliding grooves along the length direction; four T-shaped sliding blocks sliding along the T-shaped sliding grooves are arranged on the inner side surfaces of the side plates A and the side plates B; the T-shaped sliding groove is provided with two avoidance ports for the T-shaped sliding block to be inserted into the T-shaped sliding groove; the bottom of the T-shaped sliding groove is provided with a supporting structure used for supporting the bottom side face of the T-shaped sliding block at the bottom. According to the invention, through the power distribution cabinet consisting of the base, the upright posts, the side plates A and the side plates B, a bolt-free fixed installation mode is integrally realized, and meanwhile, the side plates A and the side plates B are matched to form a whole side plate, so that the problems in the prior art are solved.

Description

Assembled switch board

Technical Field

The invention belongs to the technical field of power distribution cabinets, and particularly relates to an assembled power distribution cabinet.

Background

The power distribution cabinet is a complete set of equipment for intensively installing switches, meters and the like, is a generic name of a motor control center, is used in occasions with scattered loads and fewer loops, is mostly of an integral structure, and is integrally processed by manufacturers and then transported for use; this kind of switch board exists single switch board occupation space when transporting big, based on this, like a switch board convenient to equipment of China's publication No. CN212085480U, including base and fan, the left and right sides of terminal surface all is provided with the auto-lock gyro wheel under the base, the vent has all been seted up on the bottom of switch board main part and the base, and the downside of vent is provided with the filter plate, be provided with the loading board in the switch board main part, and the mounting hole has been seted up to the up end of loading board, the loading board is placed on the support bar, and the upper and lower both sides of support bar are fixed respectively on the bottom of loading board and the left and right sides inner wall of switch board main part through the third bolt, the fan sets up in the top of switch board main part, and the upside of fan is provided with the weather shield, and the switch board convenient for equipment, the third bolt of tightening the support bar bottom can fix the support bar on the left and right sides inner wall of switch board main part, and can be according to the position of the support bar of the size determination top of equipment, the third bolt of tightening top can fix the loading board on the support bar to this device's equipment work of completion. And an assembled power distribution cabinet and an assembling tool as in CN115939957A, wherein the assembled power distribution cabinet comprises a base and upright posts fixedly arranged on four corner sides of the upper surface of the base; a side plate, a back plate or a front plate is fixed between any two adjacent upright posts; a top cover is arranged at the top ends of the four upright posts; the base and the top cover are respectively provided with an elastic expansion module A and an elastic expansion module B which are propped against the inner side of the rectangular plate body. When the power distribution cabinet disclosed by the prior art is used, more parts are fixed through bolts, and the bolts are required to be manually screwed, so that the efficiency is affected by the assembly mode, and the power distribution cabinet is inconvenient to maintain; meanwhile, the side plates for assembly are used as integral parts, and for some power distribution cabinets with larger sizes, when the heights of the side plates are too high, the side plates are inconvenient to carry during transportation.

Disclosure of Invention

The invention aims to provide an assembled power distribution cabinet, which is characterized in that a bolt-free fixed mounting mode is integrally realized through a power distribution cabinet consisting of a base, a stand column, a side plate A and a side plate B, and meanwhile, the side plate A and the side plate B are matched to form a whole side plate, so that the problem of the prior art is solved.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to an assembled power distribution cabinet which comprises a base and four upright posts matched and installed on the upper surface of the base; at least two side plates A/B which are distributed up and down are connected between two adjacent upright posts in a matched manner; two adjacent side surfaces of the upright post are provided with T-shaped sliding grooves along the length direction; four T-shaped sliding blocks sliding along the T-shaped sliding grooves are arranged on the inner side surfaces of the side plates A and the side plates B; two avoidance ports for inserting the T-shaped sliding block into the T-shaped sliding groove are formed in the T-shaped sliding groove; the bottom end of the T-shaped sliding groove is provided with a supporting structure used for supporting the bottom side surface of the T-shaped sliding block at the bottom end; the supporting structure comprises a spring A and a T-shaped movable block connected to the top of the spring A and sliding along the inner wall of the T-shaped chute, and a through hole A is formed in the T-shaped movable block; when the spring A is only under the action of gravity of the T-shaped movable block, the inner side walls of the T-shaped sliding grooves at the two ends of the through hole A are respectively provided with a slot and a cavity A which are matched with the position of the through hole A, and a pin rod which can controllably stretch out and draw back and penetrates through the through hole A and is inserted into the slot is arranged in the cavity A.

Further, the cavity A comprises a piston cavity and a channel A communicated with the piston cavity and penetrating through the T-shaped chute; the piston cavity is internally connected with a piston through a spring B, and the piston is connected with the pin rod; the bottom of stand is connected with massive fixing base, the base upper surface is provided with the recess of placing the fixing base.

Further, an air flow channel A communicated with the piston cavity is arranged in the upright post, and an air inlet A communicated with the air flow channel A is arranged on the outer side wall of the upright post; a cover plate is arranged on the base in a matched manner, and a through hole B for the upright post to penetrate through is formed in the peripheral side of the cover plate; an air flow channel B is arranged in the cover plate, an air inlet B communicated with the air flow channel B is arranged on the upper surface of the cover plate, and the air inlet A and the air inlet B are communicated through a hose; and the upper surface of the cover plate is also provided with an air inlet structure communicated with the air flow passage B.

Further, the air inlet structure comprises a cavity arranged in the cover plate, an opening communicated with the cavity is formed in the upper surface of the cover plate, and a sealing convex edge is arranged in the cavity at the periphery of the opening; the sealing flange is positioned on the periphery of the sealing flange, a spring C is arranged on the periphery of the sealing flange, the end part of the spring C is connected with a sealing plate with an annular sealing groove, and an air inlet pipe is matched and installed on the sealing plate.

Further, a through hole C is formed in the fixing seat; four positioning pin rods which are respectively inserted into the through holes C are arranged in the base; the two sides of the base are respectively provided with a channel B, two ends of which are respectively communicated with the grooves, the center of the upper surface of the base is provided with a concave part, and a channel C is communicated between the channel B and the concave part; the inner walls of the two ends of the channel B are provided with convex rings, and one side, close to the groove, of each convex ring is connected with the positioning pin rod through a spring D; the positioning pin rod is connected with a traction rope, the other end of the traction rope is connected with a rotating block arranged in the concave part, and a control handle is arranged on the rotating block; a guide block with a T-shaped channel is arranged at the intersection of the channel B and the channel C; the haulage rope passes through the T-shaped channel.

Further, openings are respectively formed in opposite sides of the two side plates B, and a door plate A and a door plate B are respectively hinged to the two openings; the door plate A and the door plate B are provided with handles and locks; the inner wall surfaces of the door plate A and the door plate B are respectively provided with a plurality of connecting modules A and connecting modules B; the connecting module A and the connecting module B are matched with each other, and the connecting module A is provided with a telescopic inserting end which is inserted into the connecting module B.

Further, the connecting module A comprises a shell A, a movable cavity is arranged in the shell A, a stop flanging is arranged at the port of the movable cavity, the stop flanging is communicated with a T-shaped rod through a spring E, a threaded hole is formed in the shell A, and a bolt with the end part propped against the end part of the T-shaped rod is connected to the threaded hole in a threaded mode; the connecting module B comprises a shell B, one end, close to the shell A, of the shell B is provided with a jack for interference fit with the T-shaped rod, and the inner side wall of the jack is provided with a rubber layer; a concave cavity communicated with the jack is formed in one end, far away from the shell A, of the shell B, a pulling rod is connected in the concave cavity through a spring F, and a ring body connected with the spring F is arranged on the pulling rod; the T-shaped rod and the pulling rod are respectively provided with a conical end A and a conical end B.

Further, four the top of stand still cooperates and is provided with the top cap, the interior top side of top cap is provided with by four side pipe welded rectangle frames, the rectangle frame supports the top at the stand, top cap week side is provided with the portion of keeping off the rain at curb plate A curb plate B top.

Further, the inner top side surface of the top cover is provided with a fixing structure connected with the upright post; the fixing structure comprises an L-shaped plate arranged at the corner of the rectangular frame and a clamping column propped against one side wall of the upright post; the inner top side of the top cover is provided with a mounting block for mounting the clamp column, the clamp column is mounted in the mounting block in a telescopic manner through a spring K, and two ends of the clamp column are respectively located outside the mounting block.

Further, the telescopic lifting device also comprises a control mechanism for controlling the four clamping columns to stretch; the control mechanism comprises a boss arranged on the inner top side surface of the top cover, and a rectangular through hole is formed in the boss along the length direction of the boss; two ends of the rectangular through hole are respectively inserted with an inserting rod A and an inserting rod B, and two clamping columns positioned on the same side are simultaneously connected with the end parts of the inserting rod A or the inserting rod B through a connecting rope; the opposite ends of the inserted link A and the inserted link B are provided with a connecting plate A and a connecting plate B which are matched with each other; the connecting plate A is provided with a through hole A and an open slot A communicated with the through hole A; the boss is also provided with a bolt structure, the bolt structure comprises a bolt body, the end part of the bolt body is provided with a column A penetrating through the through hole A, and the end part of the column A is provided with a column B penetrating through the through hole B; the diameters of the column A and the column B are D1 and D2 respectively; the widths of the open groove A and the open groove B are L1 and L2 respectively, and D1 is more than L1 and D2 is more than L2.

The invention has the following beneficial effects:

1. according to the invention, through the power distribution cabinet consisting of the base, the upright posts, the side plates A and the side plates B, a bolt-free fixed mounting mode is integrally realized, and meanwhile, the side plates A and the side plates B are matched to form a whole side plate, so that the problems in the prior art are solved; through the setting of dodging the mouth, the convenience is shown when using, installs curb plate A and curb plate B by the lower part of stand, and curb plate A and curb plate B that are located the top are upwards moved according to demand control during the installation.

2. The T-shaped movable block is supported by the side plate A, and the T-shaped movable block is conveniently controlled to descend when needed, so that the side plate A is conveniently taken out of the avoidance opening; specifically, a through hole A can be formed in the T-shaped movable block; when the spring A is only under the action of gravity of the T-shaped movable block, the spring A is in a micro-shrinkage state, and the inner side walls of the T-shaped sliding grooves at the two ends of the through hole A at the position are respectively provided with a slot and a cavity A, wherein the slots and the cavities A are matched with the positions of the through hole A.

3. When the air inlet structure is used, when air inlet and air exhaust are needed, the air inlet pipe is controlled to do the movement of the extension spring C, namely the sealing plate is controlled to be separated from the sealing convex edge at the moment, so that the communication between the closed space and the environment is controlled, and then the air in the closed space is exhausted through a gap formed by the sealing plate and the sealing convex edge at the moment; when the air inlet structure is required to perform air inlet operation, the inflating valve is controlled to be connected with the inflating device, and air is injected into the closed space by the inflating device.

4. When the invention is used, the rotating block is controlled to rotate, and the traction rope is wound by the rotating block, so that the positioning pin rods are controlled to move under the action of pulling the traction rope, namely, the two positioning pin rods positioned in the same channel B move in opposite directions, and after the rotating force of the rotating block is controlled to be loosened, the two positioning pin rods in the same channel B move in opposite directions under the action of the spring D.

Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an assembled power distribution cabinet of the present invention;

FIG. 2 is a schematic view of the structure of the side plate A of the present invention;

FIG. 3 is a schematic view of the structure of the column according to the present invention;

FIG. 4 is a schematic view of a support structure according to the present invention;

fig. 5 is a schematic diagram of an assembled structure of parts of an assembled power distribution cabinet according to the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

FIG. 7 is a schematic view of the air intake structure of the present invention;

fig. 8 is a schematic diagram of a part assembly structure of an assembled power distribution cabinet according to the second embodiment of the present invention;

fig. 9 is a front view of fig. 1;

FIG. 10 is a schematic view of a base structure of the present invention;

FIG. 11 is a cross-sectional view taken at C-C of FIG. 9;

FIG. 12 is an enlarged view of a portion of FIG. 11 at B;

FIG. 13 is a cross-sectional view taken at A-A of FIG. 9;

FIG. 14 is a schematic diagram showing an assembled structure of a connection module A and a connection module B according to the present invention;

FIG. 15 is a schematic view of the top cover structure of the present invention;

FIG. 16 is a top view of FIG. 15;

FIG. 17 is a cross-sectional view taken at A-A of FIG. 16;

FIG. 18 is an enlarged view of a portion of FIG. 17 at C;

FIG. 19 is a schematic view showing an assembled structure of a connecting plate A and a connecting plate B according to the present invention;

fig. 20 is a schematic diagram showing an assembled structure of a connecting plate a and a connecting plate B according to the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Referring to fig. 1-3 and 8, the invention is an assembled power distribution cabinet, which comprises a base 1 and four upright posts 3 which are cooperatively arranged on the upper surface of the base 1; at least two side plates A4/B40 which are distributed up and down are connected between two adjacent upright posts 3 in a matching way; two adjacent side surfaces of the upright post 3 are provided with T-shaped sliding grooves 31 along the length direction; four T-shaped sliding blocks 41 sliding along the T-shaped sliding grooves 31 are arranged on the inner side surfaces of the side plates A4 and B40; the T-shaped chute 31 is provided with two avoiding openings 32 for inserting the T-shaped sliding block 41 into the T-shaped chute 31; through the setting of dodging the mouth 32, conveniently when using, install curb plate A4 and curb plate B40 by the lower part of stand 3, curb plate A4 and curb plate B40 that are located the top are upwards moved according to demand control during the installation.

In addition, in order to support the side plates A4 and B40 after the installation, the side plates A4 and B40 are prevented from slipping out from the escape openings 32 in a natural state. Based on the above, the invention is provided with a supporting structure at the bottom end of the T-shaped chute 31 for supporting the bottom side surface of the T-shaped sliding block 41 positioned at the bottom end; as shown in fig. 4, the supporting structure includes a spring a342, a T-shaped movable block 34 connected to the top of the spring a342 and sliding along the inner wall of the T-shaped chute 31, in order to support the side plate A4 by the T-shaped movable block 34 conveniently, and control the T-shaped movable block 34 to descend when needed, so as to facilitate the side plate A4 to be taken out from the avoiding opening 32, in the present invention, the T-shaped movable block 34 needs to be supported and limited at a certain height; specifically, a through hole a341 may be provided on the T-shaped movable block 34; when the spring A342 is only under the action of the gravity of the T-shaped movable block 34, the spring A342 is in a micro-shrinkage state, the inner side walls of the T-shaped sliding grooves 31 at the two ends of the through hole A341 at the moment are respectively provided with a slot 311 and a cavity A which are matched with the through hole A341 in position, and a pin 320 which can controllably stretch and extend and penetrates through the through hole A341 and is inserted into the slot 311 is arranged in the cavity A; at this time, when the side plates A4 and B40 are mounted, the spring a342 of the T-shaped movable block 34 is controlled to be in a contracted state, and the pin 320 is controlled to extend out to abut against the top of the T-shaped movable block 34, and at this time, the side plates A4 and B40 are mounted along the escape opening 32; when the installation of all the side plates A4 and B40 is completed, the pin 320 is controlled to shrink, the positions of the side plates A4 and B40 are fixed by external force synchronously, the pin 320 is controlled to stretch out after the pin 320 is completely shrunk, the pin 320 passes through the through hole A341, and when the external force for fixing the side plates A4 and B40 is removed, the side plates A4 and B40 at the bottom are propped against the top of the T-shaped movable block 34 under the action of gravity.

To facilitate the control of the expansion and contraction of the pin 320, in the present invention, as shown in fig. 4-6, the cavity a includes a piston cavity 324 and a passage a322 communicating with the piston cavity 324 and penetrating the T-shaped chute 31; a piston 325 is connected in the piston cavity 324 through a spring B323, and a pin rod 320 is connected to the piston 325; an air flow passage A communicated with the piston cavity 324 is arranged in the upright post 3, and an air inlet A33 communicated with the air flow passage A is arranged on the outer side wall of the upright post 3; the base 1 is provided with a cover plate 2 in a matching way, and a through hole B25 for the upright post 3 to penetrate through is formed in the peripheral side of the cover plate 2; an air flow channel B is arranged in the cover plate 2, an air inlet B22 communicated with the air flow channel B is arranged on the upper surface of the cover plate 2, and an air inlet A33 is communicated with the air inlet B22 through a hose; the upper surface of the cover plate 2 is also provided with an air inlet structure communicated with the air flow passage B; when the air inlet structure is used, exhaust air is discharged, when the pin 320 is required to be controlled to extend, air is injected from the air inlet structure, the pin 320 extends outwards under the action of air pressure, when the pin 320 is required to be controlled to shrink, the air inlet structure is opened to cause the air pressure of a closed space formed by the air flow channel A and the air flow channel B to be reduced, and then the pin 320 is shrunk under the action of the spring B323.

During the use, firstly, the upright posts 3 are arranged on the base 1, then the cover plate 2 is arranged, then the side plates A4 and the side plates B40 are matched and arranged between the upright posts 3, and the bottom ends of the side plates A4 and the side plates B40 are abutted against the upper surface of the cover plate 2; then, the pin 320 is controlled to extend and retract according to the steps, so that the side plate A4 and the side plate B40 are supported by the supporting structure, and the side plate A4 and the side plate B40 are fixed in a theft-proof manner, so that the side plate A4 and the side plate B40 are prevented from being directly taken out from the outside.

In order to facilitate the air intake and exhaust operation through the air intake structure, as shown in fig. 7, the air intake structure provided by the invention comprises a cavity 23 arranged in a cover plate 2, an opening 20 communicated with the cavity 23 is arranged on the upper surface of the cover plate 2, and a sealing flange 201 is arranged in the cavity 23 positioned on the periphery of the opening 20; a spring C202 is arranged on the periphery of the sealing convex edge 201, the end part of the spring C202 is connected with a sealing plate 24 with an annular sealing groove 241, the sealing plate 24 is provided with an air inlet pipe 21 in a matched manner, and the air inlet pipe 21 is provided with an inflating valve in a matched manner; when in use, when air intake and exhaust are needed through the air intake structure, the air intake pipe 21 is controlled to do the movement of the extension spring C202, namely, the sealing plate 24 is controlled to be separated from the sealing convex edge 201 at the moment, so that the communication between the closed space and the environment is controlled, and then the air in the closed space is exhausted through a gap formed by the sealing plate 24 and the sealing convex edge 201 at the moment; when the air inlet structure is required to perform air inlet operation, the inflating valve is controlled to be connected with the inflating device, and air is injected into the closed space by the inflating device.

It will be appreciated that in some possible embodiments, the bottom end of the upright 3 is connected with a block-shaped fixing seat 35, and the upper surface of the base 1 is provided with a groove 11 for placing the fixing seat 35; the fixing seat 35 is provided with a through hole C351; four positioning pin rods 133 respectively inserted into the through holes C351 are arranged in the base 1; during the use, the control fixing seat 35 is placed in the groove 11, and then the four positioning pin rods 133 are controlled to be respectively inserted into the through holes C351 of the four fixing seats 35, so that the fixing and limiting of the upright post 3 are completed, and the upright post 3 is prevented from being directly taken out from the outside.

Specifically, in the present invention, in order to synchronously control the movement of the positioning pin 133, as shown in fig. 10 to 12, the present invention is realized by a structure designed as follows; two sides of the base 1 are respectively provided with a channel B13, two ends of which are respectively communicated with the groove 11, the center of the upper surface of the base 1 is provided with a concave part 12, and a channel C14 is communicated between the channel B13 and the concave part 12; wherein, convex rings 131 are arranged on the inner walls of the two ends of the channel B13, and one side of the convex rings 131 close to the groove 11 is connected with a positioning pin rod 133 through a spring D132; the locating pin rod 133 is connected with a traction rope 123, the other end of the traction rope 123 is connected with a rotating block 121 arranged in the concave part 12, and a control handle 122 is arranged on the rotating block 121; the intersection of the channel B13 and the channel C14 is provided with a guide block 125 with a T-shaped channel; the hauling cable 123 passes through the T-shaped channel; when the traction rope pulling device is used, the rotating block 121 is controlled to rotate, the traction rope 123 is wound by the rotating block 121, so that the positioning pin rods 133 are controlled to move under the pulling action of the traction rope 123, namely, the two positioning pin rods 133 located in the same channel B13 move in opposite directions, after the rotating force of the rotating block 121 is controlled to be loosened, the two positioning pin rods 133 in the same channel B13 move in opposite directions under the action of the spring D132, and meanwhile, the traction rope 123 is conveniently pulled through the arrangement of the guide block 125.

It will be appreciated that in some possible embodiments, as shown in fig. 13, openings 42 are respectively formed on opposite sides of two side plates B40, two openings 42 are respectively hinged with a door plate a43 and a door plate B44, and the door plates a43 and B44 are combined to form the cabinet door for the power distribution cabinet; and handles and locks are arranged on the door plate A43 and the door plate B44; wherein, the inner wall surfaces of the door plate A43 and the door plate B44 are respectively provided with a plurality of connecting modules A45 and B46; the connecting module A45 and the connecting module B46 are matched with each other, and the inserting end which is telescopic and is inserted into the connecting module B46 is arranged on the connecting module A45.

Based on the above, as shown in fig. 14, the connection module a45 of the present invention includes a housing a451, a movable cavity 452 is provided in the housing a451, a stop flange 455 is provided at a port of the movable cavity 452, the stop flange 455 is communicated with a T-shaped rod 453 through a spring E454, a threaded hole 456 is provided on the housing a451, and a bolt 457 with an end portion abutting against the end portion of the T-shaped rod 453 is screwed on the threaded hole 456; the connecting module B46 comprises a shell B461, wherein a jack 460 for interference fit with a T-shaped rod 453 is arranged at one end of the shell B461, which is close to the shell A451, and a rubber layer is arranged on the inner side wall of the jack 460; a concave cavity 462 communicated with the jack 460 is formed at one end of the shell B461 far away from the shell A451, a pulling rod 464 is connected in the concave cavity 462 through a spring F463, and a ring body 465 connected with the spring F463 is arranged on the pulling rod 464; the T-bar 453 and the draw bar 464 are provided with a tapered end A458 and a tapered end B466, respectively; when the T-shaped rod 453 is assembled, the bolt 457 on the shell A451 is rotated, the T-shaped rod 453 is driven to extend out and be inserted into the insertion hole 460 under the action of the bolt 457, interference fit between the T-shaped rod 453 and the insertion hole 460 is realized by using the insertion hole 460 provided with a rubber layer, and shaking caused by size difference between the T-shaped rod 453 and the insertion hole 460 after connection is avoided; meanwhile, when the disassembly is needed, the control pulling rod 464 is ejected to the end part of the pulling rod 464 to be inserted into the insertion hole 460 and to be abutted against the top end of the T-shaped rod 453, and the T-shaped rod 453 is ejected from the insertion hole 460 by the pulling rod 464.

It will be appreciated that in some possible embodiments, as shown in fig. 15-16, the top parts of the four upright posts 3 are also provided with a top cover 5 in a matching manner, the inner top side surface of the top cover 5 is provided with a rectangular frame 51 welded by four square tubes, the rectangular frame 51 is abutted against the top ends of the upright posts 3, and the periphery side of the top cover 5 is provided with a rain shielding part 54 blocked at the top of the side plate A4/side plate B40; the inner top side surface of the top cover 5 is provided with a fixing structure connected with the upright post 3; the fixing structure comprises an L-shaped plate 59 arranged at the corner of the rectangular frame 51 and a clamping column 52 propped against one side wall of the upright post 3; the inner top side surface of the top cover 5 is provided with a mounting block 50 for mounting a clamping column 52, the clamping column 52 is telescopically mounted in the mounting block 50 through a spring K, two ends of the clamping column 52 are respectively positioned outside the mounting block 50, and meanwhile, the end part of the upright post 3 is also provided with a positioning hole for inserting the clamping column 52; by means of the installation blocks 50, the L-shaped plates 59 and the clamping columns 52, the upright posts 3 and the top cover 5 are fixed without bolts, and the installation and the disassembly are convenient.

Based on the above, in the process of placing the top cover 5 on the top of the upright 3, a control mechanism for synchronously controlling the four clips 52 to extend is also required, as shown in fig. 17-20, the control mechanism includes a boss 55 disposed on the inner top side of the top cover 5, and the boss 55 is provided with a rectangular through hole 551 along the length direction thereof; two ends of the rectangular through hole 551 are respectively inserted with an inserting rod A56 and an inserting rod B57, and two clamping columns 52 positioned on the same side are simultaneously connected with the end parts of the inserting rod A56 or the inserting rod B57 through a connecting rope 53; opposite ends of the inserted link A56 and the inserted link B57 are provided with a connecting plate A560 and a connecting plate B570 which are matched with each other; the connection plate a560 is provided with a through hole a561 and an open groove a562 communicating with the through hole a 561; the boss 55 is also provided with a bolt structure 58, the bolt structure 58 comprises a bolt body 581, the end part of the bolt body 581 is provided with a column A582 penetrating through the through hole A561, and the end part of the column A582 is provided with a column B583 penetrating through the through hole B571; column a582 and column B583 have diameters D1 and D2, respectively; the widths of the open grooves A562 and B572 are L1 and L2, respectively, D1 > L1 > D2 > L2; when the bolt structure 58 is rotated to the column B583 to be separated from the through hole B571, that is, the column a582 is separated from the through hole a561, and then the clip 52 is protruded and inserted into the positioning hole under the action of the spring K; when the control clip 52 is required to be contracted, the control insert rod a56 and the insert rod B57 are inserted into the rectangular through hole 551 at this time, the connecting plates a560 and B570 at the ends of the insert rod a56 and the insert rod B57 abut against each other, that is, the through hole B571 and the through hole a561 are in a concentric structure at this time, and the bolt structure 58 is rotated until the cylinder B583 is inserted into the through hole B571, that is, the cylinder a582 is located in the through hole a561 at this time.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.

Claims

1. An assembled switch board, its characterized in that: comprises a base (1) and four upright posts (3) which are arranged on the upper surface of the base (1) in a matching way;

at least two side plates A (4)/side plates B (40) which are distributed up and down are connected between two adjacent upright posts (3) in a matching way;

two adjacent side surfaces of the upright post (3) are provided with T-shaped sliding grooves (31) along the length direction; four T-shaped sliding blocks (41) sliding along the T-shaped sliding grooves (31) are arranged on the inner side surfaces of the side plates A (4) and the side plates B (40); the T-shaped chute (31) is provided with two avoidance ports (32) for inserting the T-shaped sliding block (41) into the T-shaped chute (31)

The bottom end of the T-shaped chute (31) is provided with a supporting structure for supporting the bottom side surface of the T-shaped sliding block (41) at the bottom end;

the supporting structure comprises a spring A (342) and a T-shaped movable block (34) connected to the top of the spring A (342) and sliding along the inner wall of the T-shaped chute (31), and a through hole A (341) is formed in the T-shaped movable block (34);

when the spring A (342) is only under the action of the gravity of the T-shaped movable block (34), the inner side walls of the T-shaped sliding grooves (31) positioned at the two ends of the through hole A (341) are respectively provided with a slot (311) and a cavity A which are matched with the position of the through hole A (341),

a pin rod (320) which can controllably stretch out and draw back and penetrates through the through hole A (341) and is inserted into the slot (311) is arranged in the cavity A;

the cavity A comprises a piston cavity (324) and a channel A (322) communicated with the piston cavity (324) and penetrating through the T-shaped chute (31); a piston (325) is connected in the piston cavity (324) through a spring B (323), and the piston (325) is connected with the pin rod (320);

the bottom end of the upright post (3) is connected with a block-shaped fixed seat (35), and the upper surface of the base (1) is provided with a groove (11) for placing the fixed seat (35);

an air flow channel A communicated with the piston cavity (324) is arranged in the upright post (3), and an air inlet A (33) communicated with the air flow channel A is arranged on the outer side wall of the upright post (3);

a cover plate (2) is arranged on the base (1) in a matching way, and a through hole B (25) for the upright post (3) to penetrate through is formed in the peripheral side of the cover plate (2);

an air flow channel B is arranged in the cover plate (2), an air inlet B (22) communicated with the air flow channel B is arranged on the upper surface of the cover plate (2), and the air inlet A (33) and the air inlet B (22) are communicated through a hose;

the upper surface of the cover plate (2) is also provided with an air inlet structure communicated with the air flow passage B.

2. An assembled power distribution cabinet according to claim 1, wherein the air inlet structure comprises a cavity (23) arranged in a cover plate (2), an opening (20) communicated with the cavity (23) is arranged on the upper surface of the cover plate (2), and a sealing convex edge (201) is arranged in the cavity (23) positioned on the periphery of the opening (20);

the sealing flange is characterized in that a spring C (202) is arranged on the periphery of the sealing flange (201), the end part of the spring C (202) is connected with a sealing plate (24) with an annular sealing groove (241), and the sealing plate (24) is provided with an air inlet pipe (21) in a matched mode.

3. An assembled power distribution cabinet according to claim 2, characterized in that the fixing seat (35) is provided with a through hole C (351);

four positioning pin rods (133) which are respectively inserted into the through holes C (351) are arranged in the base (1);

the two sides of the base (1) are respectively provided with a channel B (13) with two ends respectively communicated with the grooves (11), a concave part (12) is arranged in the center of the upper surface of the base (1), and a channel C (14) is communicated between the channel B (13) and the concave part (12);

wherein, convex rings (131) are arranged on the inner walls of the two ends of the channel B (13), and one side of the convex rings (131) close to the groove (11) is connected with the positioning pin rod (133) through a spring D (132);

the positioning pin rod (133) is connected with a traction rope (123), the other end of the traction rope (123) is connected with a rotating block (121) arranged in the concave part (12), and a control handle (122) is arranged on the rotating block (121); a guide block (125) with a T-shaped channel is arranged at the intersection of the channel B (13) and the channel C (14); the haulage rope (123) passes through the T-shaped channel.

4. An assembled power distribution cabinet according to claim 1, wherein the opposite sides of the two side plates B (40) are respectively provided with openings (42), and the two openings (42) are respectively hinged with a door plate a (43) and a door plate B (44); the door plate A (43) and the door plate B (44) are provided with handles and locks;

wherein, a plurality of connection modules A (45) and B (46) are respectively arranged on the inner wall surfaces of the door plate A (43) and the door plate B (44);

the connecting module A (45) and the connecting module B (46) are matched with each other, and the connecting module A (45) is provided with a telescopic inserting end which is inserted into the connecting module B (46).

5. An assembled power distribution cabinet according to claim 4, wherein the connection module a (45) comprises a shell a (451), a movable cavity (452) is arranged in the shell a (451), a stop flange (455) is arranged at a port of the movable cavity (452), the stop flange (455) is communicated with a T-shaped rod (453) through a spring E (454), a threaded hole (456) is formed in the shell a (451), and a bolt (457) with an end part abutting against the end part of the T-shaped rod (453) is connected to the threaded hole (456) in a threaded manner;

the connecting module B (46) comprises a shell B (461), wherein one end, close to the shell A (451), of the shell B (461) is provided with a jack (460) for interference fit with a T-shaped rod (453), and the inner side wall of the jack (460) is provided with a rubber layer;

one end of the shell B (461) far away from the shell A (451) is provided with a concave cavity (462) communicated with the jack (460), a pulling rod (464) is connected in the concave cavity (462) through a spring F (463), and a ring body (465) connected with the spring F (463) is arranged on the pulling rod (464);

the T-bar (453) and the draw bar (464) are provided with a tapered end A (458) and a tapered end B (466), respectively.

6. An assembled power distribution cabinet according to claim 1, characterized in that top parts of four upright posts (3) are also provided with a top cover (5) in a matched manner, the inner top side surface of the top cover (5) is provided with a rectangular frame (51) welded by four square tubes, the rectangular frame (51) is propped against the top end of the upright post (3), and the periphery of the top cover (5) is provided with a rain shielding part (54) blocked at the top of a side plate A (4)/a side plate B (40).

7. An assembled power distribution cabinet according to claim 6, characterized in that the inner top side of the top cover (5) is provided with a fixing structure connected with the upright (3);

the fixing structure comprises an L-shaped plate (59) arranged at the corner of the rectangular frame (51) and a clamping column (52) propped against one side wall of the upright post (3);

the mounting block (50) for mounting the clamp column (52) is arranged on the inner top side surface of the top cover (5), the clamp column (52) is telescopically mounted in the mounting block (50) through a spring K, and two ends of the clamp column (52) are respectively positioned outside the mounting block (50).

8. An assembled power distribution cabinet according to claim 7, further comprising a control mechanism for controlling the telescoping of the four clamp posts (52);

the control mechanism comprises a boss (55) arranged on the inner top side surface of the top cover (5), and the boss (55) is provided with a rectangular through hole (551) along the length direction;

two ends of the rectangular through hole (551) are respectively inserted with an inserting rod A (56) and an inserting rod B (57), and two clamping columns (52) positioned on the same side are simultaneously connected with the end parts of the inserting rod A (56) or the inserting rod B (57) through a connecting rope (53);

wherein, the opposite ends of the inserted link A (56) and the inserted link B (57) are provided with a connecting plate A (560) and a connecting plate B (570) which are matched with each other;

the connecting plate A (560) is provided with a through hole A (561) and an open slot A (562) communicated with the through hole A (561); the connecting plate B (570) is provided with a through hole B (571) and an open slot B (572) communicated with the through hole B (571);

the boss (55) is further provided with a bolt structure (58), the bolt structure (58) comprises a bolt body (581), the end part of the bolt body (581) is provided with a column body A (582) penetrating through a through hole A (561), and the end part of the column body A (582) is provided with a column body B (583) penetrating through a through hole B (571);

the diameters of the column A (582) and the column B (583) are D1 and D2 respectively; the widths of the open grooves A (562) and the open grooves B (572) are L1 and L2, respectively, and D1 > L1 > D2 > L2.