Drawer type low-voltage switch cabinet with locking mechanism

Abstract

The utility model relates to the technical field of low-voltage switch cabinets, and discloses a drawer type low-voltage switch cabinet with a locking mechanism, which comprises a cabinet body, a plurality of drawer mounting grooves are arranged on one side of the cabinet body, drawer cabinets are slidably connected in the drawer mounting grooves, and sliding cavities are arranged at the bottoms of the inner walls of the drawer mounting grooves close to openings. Wedge-shaped blocks are slidably connected into the sliding cavities, the tops of the wedge-shaped blocks extend out of the sliding cavities, first springs are fixedly connected to the bottoms of the wedge-shaped blocks, and the lower ends of the first springs are fixedly connected with the bottoms of the inner walls of the sliding cavities; according to the drawer-type low-voltage switch cabinet with the locking mechanism, after the drawer cabinet is mounted in the drawer mounting groove, the wedge-shaped block is clamped with the limiting groove in the bottom of the drawer cabinet under the action of the first spring, so that the drawer cabinet is higher in stability after being mounted, and after the wedge-shaped block is separated from the limiting groove through the driving assembly, the locking mechanism is locked. And the drawer cabinet can pop up for a certain distance under the action of the pop-up assembly, so that workers can conveniently disassemble the drawer cabinet.

Description

Technical Field

[0001] This utility model relates to the field of low-voltage switchgear technology, specifically a drawer-type low-voltage switchgear with a locking mechanism. Background Technology

[0002] Drawer-type switchgear is a closed enclosure made of steel plate. The electrical components for the incoming and outgoing circuits are installed in removable drawers, forming functional units capable of performing a specific power supply task. The functional units of the drawer-type switchgear are separated from the busbars or cables by grounded metal or plastic functional plates, forming three areas: busbars, functional units, and cables. Isolation measures are also in place between each functional unit. Drawer-type switchgear offers high reliability, safety, and interchangeability, making it a relatively advanced type of switchgear. Most switchgear manufactured is of the drawer-type type. They are suitable for industrial and mining enterprises and high-rise buildings requiring high power supply reliability, serving as centralized control power distribution centers.

[0003] In the prior art, such as the announcement number CN212518166U, a drawer-type low-voltage switchgear that is easy to maintain is proposed. This technical solution discloses a drawer-type low-voltage switchgear that is easy to maintain, including a cabinet. The cabinet has a drawer mounting area with a front opening. Multiple drawers are inserted into the drawer mounting area. Each of the multiple drawers includes a bottom panel, a left side panel, a right side panel, a back panel, and a front panel. The bottom panel has slots with multiple fixing holes on its left and right sides and its rear end. The bottom surface of the left side panel, right side panel, and back panel has insertion slots and insert strips with internal threaded holes corresponding to the multiple fixing holes. This utility model, through the detachable drawer structure, facilitates the maintenance of electrical components inside the drawers and improves the maintenance efficiency of the drawer-type low-voltage switchgear.

[0004] However, when using the existing drawer-type low-voltage switchgear, after the operator inserts the drawer into the drawer installation area, the lack of a locking mechanism makes it easy to open the drawer from the outside after installation, resulting in low stability of the low-voltage switchgear during use.

[0005] To address the aforementioned issues, this application proposes a drawer-type low-voltage switchgear with a locking mechanism. Utility Model Content

[0006] The present invention aims to provide a drawer-type low-voltage switchgear with a locking mechanism, mainly to solve the problem that existing drawer-type low-voltage switchgear does not have a locking mechanism, which makes it easy to open the drawer from the outside after installation, resulting in low stability during use.

[0007] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0008] The utility model provides a low -voltage switchgear with drawer of locking mechanism, including the cabinet, the cabinet one side is provided with a plurality of drawer installation slot, the inside of drawer installation slot all is connected with the drawer cabinet of sliding, the inside of drawer installation slot wall bottom is near the opening and is provided with the slide cavity, the inside of slide cavity is connected with the wedge -shaped piece of sliding, the top of wedge -shaped piece extends the slide cavity, the bottom fixedly connected with first spring, and the lower end of first spring is fixedly connected with the bottom of slide cavity inner wall, and the bottom of drawer cabinet is provided with the limiting slot matched with wedge -shaped piece, and one side of wedge -shaped piece is provided with the drive assembly for making it move down, and the inside of drawer installation slot is provided with the ejector assembly for ejecting the drawer cabinet.

[0009] The utility model discloses a working principle and beneficial effect:

[0010] 1, working principle: the low -voltage switchgear uses, installs electrical element in the drawer cabinet inside after, inserts the drawer cabinet into the drawer installation slot inside, and the inclined plane of wedge -shaped piece is extruded and will automatically move down in the process of inserting the drawer cabinet, when the drawer cabinet is completely inserted, the wedge -shaped piece will eject under the action of first spring and is connected with the limiting slot of the bottom of drawer cabinet, can be fixed in the inside of drawer installation slot, the low -voltage switchgear can be normal use, and the wedge -shaped piece can be moved down through drive assembly, when the wedge -shaped piece is separated from the limiting slot, the drawer cabinet will eject a distance under the action of ejector assembly, then pulls the drawer cabinet and can pull it from the inside of drawer installation slot, thereby facilitating the staff to overhaul the electrical element in the drawer cabinet inside.

[0011] 2, beneficial effect: after installing the drawer cabinet to the inside of drawer installation slot, the wedge -shaped piece is connected with the limiting slot of the bottom of drawer cabinet under the action of first spring, this can make the drawer cabinet higher stability after installation, when the wedge -shaped piece is separated from the limiting slot through drive assembly, the drawer cabinet will eject a distance under the action of ejector assembly, this can facilitate the staff to disassemble the drawer cabinet, thereby making the staff overhaul the electrical element in the drawer cabinet inside more convenient.

[0012] Preferably, the drive assembly includes a wedge-shaped slot on one side of the wedge-shaped block, a push block is slidably connected inside the wedge-shaped slot, a button is fixedly connected to one side of the push block, the button extends out of the cabinet on the side away from the push block, and the button is slidably connected to the cabinet. By pressing the button, the push block moves and simultaneously presses the inclined surface of the wedge-shaped slot on the wedge-shaped block, causing the wedge-shaped block to move downward. When the wedge-shaped block moves downward and separates from the limiting slot, the drawer cabinet will eject a distance under the action of the ejector assembly, making it easier to disassemble the drawer cabinet.

[0013] Preferably, the ejection assembly comprises a push plate arranged inside the drawer mounting slot, the push plate is arranged against the drawer cabinet, the side away from the drawer cabinet of the push plate is fixedly connected with symmetrical fixed blocks, the fixed blocks are rotatably connected with symmetrical connecting rods, the inner wall of the drawer mounting slot is fixedly connected with symmetrical sliding rods, the outer wall of the sliding rods is slidably connected with symmetrical sliding sleeves, the end away from the fixed blocks of the connecting rods is rotatably connected with the sliding sleeves, the outer wall of the sliding rods is sleeved with symmetrical second springs, one end of the second springs is fixedly connected with the sliding sleeves, the other end is fixedly connected with the outer wall of the sliding rods, when the staff installs the drawer cabinet, the drawer cabinet will extrude the push plate to move, the push plate will drive the sliding sleeves to move on the sliding rods through the connecting rods while moving, the sliding sleeves will extrude the second springs and make them in a compressed state while moving, after the wedge-shaped block is separated from the limiting slot through the driving assembly, the second spring will extrude the sliding sleeve to move, the push plate can move through the connecting rod while the sliding sleeve moves, so as to push the drawer cabinet out for a distance, which makes the disassembly of the drawer cabinet more convenient.

[0014] Preferably, the top of the wedge-shaped block is rotatably connected with a plurality of balls, and the balls are linearly and equidistantly distributed on the wedge-shaped block, when disassembling the drawer cabinet, the top of the wedge-shaped block is always against the bottom of the drawer cabinet under the action of the first spring, the plurality of balls arranged on the top of the wedge-shaped block can effectively reduce the friction between the wedge-shaped block and the drawer cabinet, which not only makes the staff disassemble the drawer cabinet more easily and labor-saving, but also effectively reduces the wear between the wedge-shaped block and the drawer cabinet, thereby effectively prolonging the service life of the drawer cabinet.

[0015] Preferably, the inner wall of the drawer mounting slot is fixedly installed with a contact sensor away from the opening, when the staff installs the drawer cabinet inside the drawer mounting slot, the push plate will contact the contact sensor, at this time the contact sensor will send an electrical signal to the receiving end, thereby informing the staff that the installation of the drawer cabinet is completed, when disassembling the drawer cabinet, the push plate will move away from the contact sensor, at this time the contact sensor will also send an electrical signal to the receiving end, thereby informing the staff that the drawer cabinet is disassembled, which can achieve better anti-theft effect.

[0016] Preferably, the number of the first springs inside the sliding cavity is multiple, and the first springs are linearly and equidistantly distributed inside the sliding cavity, by setting the number of the first springs inside the sliding cavity as multiple, the multiple first springs can provide greater thrust to the wedge-shaped block, which makes the wedge-shaped block and the limiting slot have better fixing effect on the drawer cabinet when they are connected.

[0017] Preferably, the length of the push block is not less than the length of the button, by setting the length of the push block as not less than the length of the button, which can better limit the push block and the button, thereby effectively preventing the push block and the button from separating from the cabinet body. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1The utility model discloses a whole three -dimensional structure schematic diagram of the utility model;

[0019] Figure 2 The utility model discloses a whole side view cross section structure schematic diagram of the utility model;

[0020] Figure 3 The utility model discloses a partial enlarged cross section structure schematic diagram of the utility model;

[0021] Figure 4 The utility model discloses a whole structure schematic diagram of drawer cabinet of the utility model;

[0022] Figure 5 The utility model discloses a whole structure schematic diagram of wedge, push block and button of the utility model;

[0023] Figure 6 The utility model discloses Figure 2 The utility model discloses an enlarged structure schematic diagram of A place in.

[0024] In the drawing: 1, cabinet body;2, drawer installation slot;3, drawer cabinet;4, slide cavity;5, wedge;6, first spring;7, limit slot;8, wedge slot;9, push block;10, button;11, push plate;12, slide rod;13, slide sleeve;14, fixed block;15, connecting rod;16, second spring;17, ball;18, contact type sensor. Specific implementation

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor all belong to the range of the utility model protection.

[0026] Please refer to Figures 1-6The utility model provides a low -voltage switchgear with locking mechanism of drawer type, including the cabinet 1, a plurality of drawer installation slot 2 are seted up in one side of cabinet 1, the inside of drawer installation slot 2 all are slidably connected with drawer cabinet 3, the bottom of drawer installation slot 2 inner wall is close to the opening and is seted up slide cavity 4, the inside of slide cavity 4 is slidably connected with wedge 5, and the top of wedge 5 extends out of slide cavity 4, and the bottom is fixedly connected with a plurality of first spring 6, and the lower end of first spring 6 is fixedly connected with the bottom of slide cavity 4 inner wall, and the top of wedge 5 is rotatably connected with a plurality of ball 17, and ball 17 is linear array equidistant distribution on wedge 5, when disassembling and assembling drawer cabinet 3, the top of wedge 5 is always in contact with the bottom of drawer cabinet 3 under the action of first spring 6, and the plurality of ball 17 set up on the top of wedge 5 can effectively reduce the friction between wedge 5 and drawer cabinet 3, so that the staff can be more relaxed, save the effort when disassembling drawer cabinet 3, and can effectively reduce the wear and tear between wedge 5 and drawer cabinet 3, thereby effectively prolonging the service life of drawer cabinet 3, and the bottom of drawer cabinet 3 is seted up with the limiting slot 7 matched with wedge 5, and the drawer cabinet 3 is inserted into the inside of drawer installation slot 2, and the inclined surface of wedge 5 is extruded and automatically moves downward during the insertion process of drawer cabinet 3, when drawer cabinet 3 is completely inserted, wedge 5 will pop up and be clamped with the limiting slot 7 in the bottom of drawer cabinet 3 under the action of first spring 6, that is, drawer cabinet 3 can be fixed in the inside of drawer installation slot 2, and one side of wedge 5 is provided with the drive assembly for moving downward, and the inside of drawer installation slot 2 is provided with the ejecting assembly for ejecting drawer cabinet 3, the drive assembly can make wedge 5 move downward, when wedge 5 is separated from limiting slot 7, drawer cabinet 3 will be ejected a distance under the action of ejecting assembly, then drawer cabinet 3 can be pulled out from the inside of drawer installation slot 2, thereby facilitating the staff to overhaul the electrical elements in the inside of drawer cabinet 3.

[0027] As Figure 2 and Figure 6 shown, the drive assembly includes the wedge groove 8 set up in one side of wedge 5, the inside of wedge groove 8 is slidably connected with push block 9, one side of push block 9 is fixedly connected with button 10, the length of push block 9 is not less than the length of button 10, and the side, away from push block 9 of button 10, extends out of cabinet 1, and button 10 is slidably connected with cabinet 1, by pressing button 10, push block 9 can move, and push block 9 will extrude the inclined surface of wedge groove 8 inner wall on wedge 5 when moving, so that wedge 5 moves downward, when wedge 5 moves downward and separates from limiting slot 7, drawer cabinet 3 will be ejected a distance under the action of ejecting assembly, so that the disassembly of drawer cabinet 3 is more convenient.

[0028] As Figure 2 and Figure 3As shown, the pop-up assembly includes a push plate 11 arranged inside the drawer mounting slot 2, the push plate 11 is arranged against the drawer cabinet 3, the side of the push plate 11 away from the drawer cabinet 3 is fixedly connected with symmetrical fixed blocks 14, the fixed blocks 14 are rotatably connected with symmetrical connecting rods 15, the inner wall of the drawer mounting slot 2 is fixedly connected with symmetrical slide rods 12, the outer wall of the slide rods 12 is slidably connected with symmetrical slide sleeves 13, one end of the connecting rod 15 away from the fixed block 14 is rotatably connected with the slide sleeve 13, the outer wall of the slide rod 12 is sleeved with symmetrical second springs 16, one end of the second spring 16 is fixedly connected with the slide sleeve 13, the other end is fixedly connected with the outer wall of the slide rod 12, the inner wall of the drawer mounting slot 2 away from the opening is fixedly installed with a contact sensor 18, when the staff installs the drawer cabinet 3, the drawer cabinet 3 will extrude the push plate 11 to move, the push plate 11 will drive the slide sleeve 13 to move on the slide rod 12 through the connecting rod 15 at the same time, the slide sleeve 13 will extrude the second spring 16 and make it in a compressed state at the same time, at this time, the push plate 11 contacts the contact sensor 18, the contact sensor 18 will send an electrical signal to the receiving end, so as to inform the staff that the drawer cabinet 3 is installed, the low-voltage switch cabinet can be used normally, after the driving assembly makes the wedge-shaped block 5 separate from the limiting groove 7, the second spring 16 will extrude the slide sleeve 13 to move, the slide sleeve 13 moves at the same time through the connecting rod 15 to move the push plate 11, so as to push the drawer cabinet 3 out for a distance, then pulling the drawer cabinet 3 can pull it out from the inside of the drawer mounting slot 2, so as to facilitate the staff to overhaul the electrical elements in the drawer cabinet 3, the push plate 11 is away from the contact sensor 18 at the same time, at this time, the contact sensor 18 will also send an electrical signal to the receiving end, so as to inform the staff that the drawer cabinet 3 is disassembled.

[0029] From the above, the specific implementation manner of the utility model is as follows:

[0030] The low-voltage switch cabinet is used, the electrical elements are installed in the drawer cabinet 3, the drawer cabinet 3 is inserted into the drawer mounting slot 2, the inclined surface of the wedge-shaped block 5 is extruded and automatically moves downward during the insertion process, when the drawer cabinet 3 is completely inserted, the wedge-shaped block 5 is extruded and pops out and is clamped with the limiting slot 7 at the bottom of the drawer cabinet 3 under the action of the first spring 6, that is, the drawer cabinet 3 can be fixed in the drawer mounting slot 2, when the drawer cabinet 3 is installed, the drawer cabinet 3 extrudes the push plate 11 and moves, the push plate 11 moves and drives the sliding sleeve 13 to move on the sliding rod 12 through the connecting rod 15, the sliding sleeve 13 moves and extrudes the second spring 16 and makes it in a compressed state, at this time, the push plate 11 contacts the contact sensor 18, the contact sensor 18 sends an electric signal to the receiving end, so as to inform the staff that the installation of the drawer cabinet 3 is completed, the low-voltage switch cabinet can be normally used, the push block 9 can be moved by pressing the button 10, the push block 9 moves and extrudes the inclined surface of the inclined slot 8 inner wall of the wedge-shaped block 5, so that the wedge-shaped block 5 moves downward, when the wedge-shaped block 5 moves downward and is separated from the limiting slot 7, the second spring 16 extrudes the sliding sleeve 13 and moves, the sliding sleeve 13 moves and moves the push plate 11 through the connecting rod 15, so as to push the drawer cabinet 3 out for a distance, then the drawer cabinet 3 is pulled out from the inside of the drawer mounting slot 2, so as to facilitate the staff to overhaul the electrical elements in the drawer cabinet 3, the push plate 11 moves away from the contact sensor 18, at this time, the contact sensor 18 also sends an electric signal to the receiving end, so as to inform the staff that the drawer cabinet 3 is disassembled, so that a better anti-theft effect can be achieved.

[0031] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or equivalently replace some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A low voltage switchgear with a locking mechanism in a drawer type, comprising a cabinet (1), characterized in that, The cabinet (1) is provided with a plurality of drawer installation grooves (2) on one side, and the inside of each drawer installation groove (2) is slidably connected with a drawer cabinet (3). The inside of the drawer installation groove (2) is provided with a sliding cavity (4) near the bottom of the opening, and the sliding cavity (4) is slidably connected with a wedge-shaped block (5). The top of the wedge-shaped block (5) extends out of the sliding cavity (4), and the bottom is fixedly connected with a first spring (6). The lower end of the first spring (6) is fixedly connected with the bottom of the inner wall of the sliding cavity (4). The bottom of the drawer cabinet (3) is provided with a limiting groove (7) matched with the wedge-shaped block (5). One side of the wedge-shaped block (5) is provided with a driving assembly for moving it downward. The inside of the drawer installation groove (2) is provided with a pop-out assembly for popping out the drawer cabinet (3).

2. The low voltage switchgear with a locking mechanism in a drawer type according to claim 1, characterized in that: The driving assembly comprises a wedge-shaped groove (8) formed on one side of the wedge-shaped block (5), and a push block (9) slidably connected in the wedge-shaped groove (8). One side of the push block (9) is fixedly connected with a button (10), and the side away from the push block (9) of the button (10) extends out of the cabinet (1), and the button (10) is slidably connected with the cabinet (1).

3. The low voltage switchgear with a locking mechanism in a drawer type according to claim 1, characterized in that: The pop-out assembly comprises a push plate (11) arranged in the drawer installation groove (2). The push plate (11) is arranged in abutment with the drawer cabinet (3). The side away from the drawer cabinet (3) of the push plate (11) is fixedly connected with symmetrical fixed blocks (14). The fixed blocks (14) are rotatably connected with symmetrical connecting rods (15). The inner wall of the drawer installation groove (2) is fixedly connected with symmetrical sliding rods (12). The outer wall of the sliding rod (12) is slidably connected with symmetrical sliding sleeves (13). One end of the connecting rod (15) away from the fixed block (14) is rotatably connected with the sliding sleeve (13). The outer wall of the sliding rod (12) is sleeved with symmetrical second springs (16). One end of the second spring (16) is fixedly connected with the sliding sleeve (13), and the other end is fixedly connected with the outer wall of the sliding rod (12).

4. The low voltage switchgear with a locking mechanism in a drawer type according to claim 1, characterized in that: The top of the wedge-shaped block (5) is rotatably connected with a plurality of balls (17), and the balls (17) are linearly and equidistantly distributed on the wedge-shaped block (5).

5. A low voltage switchgear with drawers and a locking mechanism according to claim 3, characterized in that: The inner wall of the drawer installation groove (2) is fixedly connected with a contact sensor (18) on the side away from the opening.

6. A low voltage switchgear with drawers and a locking mechanism according to claim 1, characterized in that: The number of the first springs (6) in the sliding cavity (4) is multiple, and the first springs (6) are linearly and equidistantly distributed in the sliding cavity (4).

7. A low voltage switchgear with drawers and a locking mechanism according to claim 2, characterized in that: The length of the push block (9) is not less than the length of the button (10).

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