PLC control cabinet convenient for maintenance

Abstract

PLC control cabinet convenient for maintenance, including a bottom plate. At the four corners of the upper surface of the bottom plate, columns are fixedly connected. The four columns are jointly connected at the ends far from the bottom plate by a top plate. A first side plate is arranged at the front and back of the upper end of the bottom plate. Second side plates are symmetrically arranged on the left and right between the two first side plates. The sides of the two first side plates close to each other are respectively in contact with the corresponding columns. The first side plate and the second side plate are detachably connected by a plurality of disassembly components. The PLC control cabinet convenient for maintenance proposed by the present invention is convenient for disassembling and assembling the first side plate and the second side plate, and is convenient for maintaining the inside of the PLC control cabinet in multiple directions such as front, back, left, and right, improving the operation space and facilitating operation.

Description

Technical Field

[0001] The present invention relates to the technical field of PLC control cabinet equipment, and particularly to a PLC control cabinet convenient for maintenance. Background Art

[0002] In bar production, it is generally realized through an automatic control system. The automatic control system is usually installed in a control cabinet and connected to various devices through wires, cables, and electrical signals, etc., so as to realize the normal operation of each device. And various electronic devices are installed in the control cabinet. When maintaining the electronic devices in the control cabinet, since only one side is opened, the operating space range is limited, which makes the electronic devices easy to be damaged and not convenient for maintenance. Summary of the Invention

[0003] The purpose of the present invention is to provide a PLC control cabinet convenient for maintenance to solve the above problems, so as to achieve convenient disassembly and assembly, and realize maintenance from multiple angles, improving the operating space and effect.

[0004] To achieve the above purpose, the following technical solutions are adopted: A PLC control cabinet convenient for maintenance, including a bottom plate. Four corners of the upper surface of the bottom plate are fixedly connected with columns. One ends of the four columns far away from the bottom plate are jointly connected with a top plate. A first side plate is arranged at the front and back of the upper end of the bottom plate. Second side plates are symmetrically arranged left and right between the two first side plates. One sides of the two first side plates close to each other are respectively attached to the corresponding columns. The first side plate and the second side plate are detachably connected through a plurality of disassembly components. Its function or effect: It is convenient to disassemble and assemble the first side plate and the second side plate, and it is convenient to maintain the inside of the PLC control cabinet in multiple directions such as front, back, left, and right, which is convenient for operation.

[0005] Preferably, the disassembly component includes fixing blocks symmetrically fixed on the inner wall of the first side plate left and right. A fixing cavity is opened in the fixing block. A rotating shaft is arranged in the fixing cavity. Two ends of the rotating shaft are rotatably connected to the upper and lower cavity walls of the fixing cavity. A rotating rod is rotatably connected to the rotating shaft. Slide holes are symmetrically opened on the rotating rod with respect to the rotating shaft. Sliders are slidably connected to the slide holes. First slide holes communicating with the fixing cavity are opened on the side walls of the two fixing blocks arranged in the front and back directions close to each other. A push rod is rotatably connected to the slider close to the second side plate. The other end of the push rod passes through the first slide hole and extends outside the fixing block and is horizontally connected with a cross bar.

[0006] Symmetrically arranged chutes are opened on the inner wall of the second side plate front and back. A plurality of lock holes are opened on the side of each chute close to the corresponding first side plate. Lock rods are slidably connected to the chutes. One end of the lock rod abuts against the bottom of the lock hole. The other end of the cross bar is connected to the other end of the lock rod.

[0007] Another one of the sliders is rotatably connected with a pull rod. A second sliding hole is provided on the first side plate. A third sliding hole communicating with the fixed cavity is provided on the fixed block. The second sliding hole and the third sliding hole correspond to each other front and back. The other end of the pull rod sequentially passes through the third sliding hole and the second sliding hole and extends outside the first side plate to be connected with a handle.

[0008] An elastic component for controlling the reset of the pull rod is further provided on the pull rod. Its function or effect: On the basis of realizing the disassembly and assembly of the first side plate and the second side plate and facilitating the maintenance of the inside of the PLC control cabinet in multiple directions such as front and back, left and right, the rotation of the rotating rod is controlled by the movement of the pull rod, so as to control the cooperation of the locking rod and the locking hole, so that the first side plate and the second side plate are limited and fixed in the front and back and left and right directions, and prevent the first side plate and the second side plate from loosening after being fixedly installed in the front and back and left and right directions.

[0009] Preferably, the elastic component includes an activity cavity circumferentially arranged on the hole wall of the second sliding hole. The activity cavity is located inside the first side plate. A first spring is sleeved on the pull rod located in the activity cavity. A first baffle is fixed on the pull rod at the lower end of the first spring. The first baffle is located in the activity cavity. Its function or effect: Facilitate the reset of the pull rod.

[0010] Preferably, a sleeve is provided on the second sliding hole between the first baffle and the handle. The outer wall of the sleeve is threadedly connected with the second sliding hole. The pull rod is slidably connected inside the sleeve. One end of the sleeve extends into the activity cavity. The other end of the sleeve extends below the handle and is provided with an adjusting part. Its function or effect: After the locking rod is disengaged from the locking hole, by rotating the sleeve, the top of the sleeve abuts against the lower surface of the handle, so as to realize locking in the opened state and facilitate disassembly.

[0011] Preferably, the elastic component includes a second spring sleeved on the pull rod. The second spring is connected between the handle and the first side plate. Its function or effect: Facilitate the reset of the pull rod.

[0012] Preferably, a sleeve is provided on the second sliding hole. The outer wall of the sleeve is threadedly connected with the second sliding hole. The pull rod is slidably connected inside the sleeve. The other end of the sleeve extends outside the first side plate and is provided with a support part. A support ring is provided on the support part. The support ring is rotatably connected with the support part. The second spring is connected between the handle and the support ring. Its function or effect: After the locking rod is disengaged from the locking hole, by rotating the sleeve, the height of the handle can be adjusted. On the one hand, the tightness between the locking rod and the locking hole is realized, and on the other hand, locking can be carried out, which is convenient for disassembly and assembly.

[0013] Preferably, a moving component is further provided at the lower end of the bottom plate. The moving component includes symmetrically arranged clamping grooves at the front and back. The clamping grooves are formed in the bottom of the bottom plate along the left-right direction. Symmetrically arranged sliding blocks are slidably connected to the clamping grooves. A bidirectional screw is threadedly connected to the two sliding blocks. Both ends of the bidirectional screw are rotatably connected to the side walls at the ends of the clamping grooves through bearings. A through hole corresponding to the bidirectional screw is formed in the bottom plate in the horizontal direction. One end of the bidirectional screw is connected to a rotating shaft. The rotating shaft passes through the through hole and extends to the outside to be connected to an adjusting rod. Symmetrically fixed supports are provided at the left and right of the lower end of the bottom plate. A fixed rod is rotatably connected to the support. A moving wheel is connected to the lower end of the fixed rod. Oblique rods are rotatably connected to the adjacent sides of the two fixed rods. The other ends of the oblique rods are respectively rotatably connected to the corresponding sliding blocks. Its function or effect: It is convenient to adjust the distance between the bottom of the PLC control cabinet and the ground.

[0014] Preferably, support legs are fixed below the bottom plate. Its function or effect: When the PLC control cabinet does not need to be moved, the moving wheels are stored and the support legs are used for support to avoid unnecessary movement.

[0015] Preferably, a heat dissipation component is further provided on the first side plate or the second side plate. The heat dissipation component includes an air inlet and an air outlet. Filter nets are provided on both the air inlet and the air outlet. A fan is further provided on the air outlet. Its function or effect: It is convenient for heat dissipation and dust prevention.

[0016] Preferably, a movable door is provided on the first side plate located in the front through a hinge. A visual window is installed on the movable door. Its function or effect: It is convenient for operation and observation.

[0017] Preferably, magnets are provided on the outer surfaces of the columns that are respectively in contact with the first side plate and the second side plate, and the materials of the first side plate and the second side plate are iron. Its function or effect: It is convenient for auxiliary fixation before installation and improves the installation effect.

[0018] The beneficial effects obtained by the present invention: The PLC control cabinet convenient for maintenance proposed by the present invention is convenient for disassembling and assembling the first side plate and the second side plate, and is convenient for maintaining the inside of the PLC control cabinet in multiple directions such as front, back, left, and right, which is convenient for operation, thereby increasing the operation space; after the locking rod is matched with the locking hole, the first side plate and the second side plate are limited and fixed in the front and back and left and right directions, avoiding loosening of the first side plate and the second side plate after being fixedly installed in the front and back and left and right directions. The provided sleeve is convenient for locking in the open state, improving the disassembly and assembly effect; and the tightness between the locking rod and the locking hole can be adjusted, and then the tightness between the first side plate and the second side plate can be adjusted. The provided moving component is convenient for adjusting the height and storing the moving wheels. Description of the Drawings

[0019] Figure 1This is a schematic top view structure of a PLC control cabinet for easy maintenance according to the present invention.

[0020] Figure 2 This is a schematic structure diagram of the lock rod of the PLC control cabinet for easy maintenance according to the present invention disengaging from the lock hole.

[0021] Figure 3 This is a schematic partial structure diagram of the disassembly component of the PLC control cabinet for easy maintenance according to the present invention.

[0022] Figure 4 This is a schematic partial structure diagram of another structure of the elastic component of the PLC control cabinet for easy maintenance according to the present invention.

[0023] Figure 5 This is a schematic front view structure of the PLC control cabinet for easy maintenance according to the present invention.

[0024] In the figure, 1 - bottom plate, 2 - column, 3 - top plate, 4 - first side plate, 5 - second side plate, 6 - fixing block, 7 - fixing cavity, 8 - rotating shaft, 9 - rotating rod, 10 - sliding hole, 11 - slider, 12 - first sliding hole, 13 - push rod, 14 - cross bar, 15 - chute, 16 - lock hole, 17 - lock rod, 18 - pull rod, 19 - second sliding hole, 20 - third sliding hole, 21 - handle, 22 - moving cavity, 23 - first spring, 24 - first baffle, 25 - sleeve, 26 - adjusting part, 27 - second spring, 28 - supporting part, 29 - clamping groove, 30 - sliding block, 31 - bidirectional screw rod, 32 - rotating shaft, 33 - adjusting rod, 34 - support, 35 - fixing rod, 36 - moving wheel, 37 - inclined rod, 38 - supporting leg, 39 - movable door. Detailed implementation manners

[0025] Next, in combination with the attached drawings, the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments.

[0026] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the attached drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0027] Refer to the attached Figures 1-5, a PLC control cabinet convenient for maintenance, including a bottom plate 1. At the four corners of the upper surface of the bottom plate 1, columns 2 are fixedly connected. The four columns 2 are jointly connected at the ends far from the bottom plate 1 by a top plate 3. A first side plate 4 is arranged at the front and rear of the upper end of the bottom plate 1. Second side plates 5 are symmetrically arranged on the left and right between the two first side plates 4. The two sides of the two first side plates 4 close to each other are respectively in contact with the corresponding columns 2. The first side plate 4 and the second side plate 5 are detachably connected by a plurality of disassembly components.

[0028] The disassembly component includes fixing blocks 6 symmetrically fixed on the inner wall of the first side plate 4. A fixing cavity 7 is opened in the fixing block 6. A rotating shaft 8 is arranged in the fixing cavity 7. The two ends of the rotating shaft 8 are rotatably connected to the upper and lower cavity walls of the fixing cavity 7. A rotating rod 9 is rotatably connected to the rotating shaft 8. Slide holes 10 are symmetrically opened on the rotating rod 9 with respect to the rotating shaft 8. Sliders 11 are slidably connected to the slide holes 10. First slide holes 12 communicating with the fixing cavity 7 are opened on the side walls of the two fixing blocks 6 arranged in the front and rear directions close to each other. A push rod 13 is rotatably connected to the slider 11 close to the second side plate 5. The other end of the push rod 13 passes through the first slide hole 12 and extends outside the fixing block 6 and is horizontally connected with a cross bar 14.

[0029] Symmetrically arranged chutes 15 are opened on the inner wall of the second side plate 5. Lock holes 16 are opened on one side of the plurality of chutes 15 close to the corresponding first side plate 4. Lock rods 17 are slidably connected to the chutes 15. One end of the lock rod 17 abuts against the bottom of the lock hole 16. The other end of the cross bar 14 is connected to the other end of the lock rod 17.

[0030] A pull rod 18 is rotatably connected to the other slider 11. A second slide hole 19 is arranged on the first side plate 4. A third slide hole 20 communicating with the fixing cavity 7 is arranged on the fixing block 6. The second slide hole 19 and the third slide hole 20 correspond to each other in the front and rear. The other end of the pull rod 18 sequentially passes through the third slide hole 20 and the second slide hole 19 and extends outside the first side plate 4 and is connected with a handle 21.

[0031] An elastic component for controlling the reset of the pull rod 18 is also arranged on the pull rod 18.

[0032] The elastic component includes an active cavity 22 circumferentially arranged on the wall of the second sliding hole 19. The active cavity 22 is located inside the first side plate 4. A first spring 23 is sleeved on a pull rod 18 located inside the active cavity 22. A first baffle 24 is fixed on the pull rod 18 at the lower end of the first spring 23. The first baffle 24 is located inside the active cavity 22. When the pull rod 18 moves outward from the first side plate 4, the first spring 23 is in a compressed or stretched state. When the force on the handle 21 is removed, the first spring 23 returns to its initial state. In this state, the lock rod 17 and the lock hole 16 cooperate with each other to achieve locking, preventing the first side plate 4 and the second side plate 5 from loosening, and at the same time fixing in the left-right direction and the front-back direction.

[0033] A sleeve 25 is provided on the second sliding hole 19 between the first baffle 24 and the handle 21. The outer wall of the sleeve 25 is threadedly connected to the second sliding hole 19. The pull rod 18 is slidably connected inside the sleeve 25. One end of the sleeve 25 extends into the active cavity 22, and the other end of the sleeve 25 extends below the handle 21 to be provided with an adjusting part 26. When the pull rod 18 moves outward from the first side plate 4, the first spring 23 is in a compressed or stretched state. In this state, by rotating the adjusting part 26, the sleeve 25 can be moved along the corresponding direction of the handle 21, so that the adjusting part 26 abuts against the handle 21, and the first spring 23 is locked when it is in a compressed or stretched state, which is convenient for operating multiple disassembly components, thereby disassembling and assembling the second side plate 5 and the first side plate 4.

[0034] The elastic component includes a second spring 27 sleeved on the pull rod 18. The second spring 27 is connected between the handle 21 and the first side plate 4. When the pull rod 18 moves outward from the first side plate 4, the second spring 27 is in a compressed or stretched state. At this time, the lock rod 17 and the lock hole 16 move away from each other.

[0035] A sleeve 25 is provided on the second sliding hole 19. The outer wall of the sleeve 25 is threadedly connected to the second sliding hole 19. The pull rod 18 is slidably connected inside the sleeve 25. The other end of the sleeve 25 extends outside the first side plate 4 to be provided with a supporting part 28. A supporting ring is provided on the supporting part 28. The supporting ring is rotatably connected to the supporting part 28. The second spring 27 is connected between the handle 21 and the supporting ring. When the pull rod 18 moves outward from the first side plate 4, the second spring 27 is in a compressed or stretched state. At this time, the lock rod 17 and the lock hole 16 move away from each other. By rotating the sleeve 25, the supporting part 28 can be moved toward the handle 21, so as to achieve locking in this state, which is convenient for operating multiple disassembly components, thereby disassembling and assembling the second side plate 5 and the first side plate 4 in sequence; and when rotating the sleeve 25, the matching tightness between the lock rod 17 and the lock hole 16 can also be adjusted.

[0036] A moving component is further provided at the lower end of the bottom plate 1. The moving component includes symmetrically arranged clamping grooves 29 at the front and rear. The clamping grooves 29 are opened in the bottom of the bottom plate 1 in the left-right direction. Symmetrically arranged sliding blocks 30 are slidably connected to the clamping grooves 29. A bidirectional screw 31 is threadedly connected to the two sliding blocks 30. Both ends of the bidirectional screw 31 are rotatably connected to the side walls at the ends of the clamping grooves 29 through bearings. A through hole corresponding to the bidirectional screw 31 is opened in the bottom plate 1 in the horizontal direction. One end of the bidirectional screw 31 is connected to a rotating shaft 32. The rotating shaft 32 passes through the through hole and extends to the outside to be connected to an adjusting rod 33. Symmetrically fixed supports 34 are provided at the left and right of the lower end of the bottom plate 1. A fixed rod 35 is rotatably connected to the supports 34. A moving wheel 36 is connected to the lower end of the fixed rod 35. The adjacent sides of the two fixed rods 35 are rotatably connected to an inclined rod 37. The other ends of the inclined rod 37 are respectively rotatably connected to the corresponding sliding blocks 30.

[0037] Support legs 38 are fixed below the bottom plate 1.

[0038] An activity door 39 is provided on the first side plate 4 at the front through a hinge. A visual window is installed on the activity door.

[0039] A heat dissipation component is further provided on the first side plate 4 or the second side plate 5. The heat dissipation component includes an air inlet and an air outlet. Filter nets are provided on both the air inlet and the air outlet. A fan is further provided on the air outlet.

[0040] Magnets are provided on the outer surfaces of the columns 2 that are respectively in contact with the first side plate 4 and the second side plate 5. The materials of the first side plate 4 and the second side plate 5 are iron.

[0041] Working principle: When the PLC control cabinet needs to be opened, pull the handle 21 to drive the pull rod 18 to move outwards, so that the slider 11 rotatably connected to the pull rod 18 slides in the sliding hole 10, driving the rotating rod 9 to rotate; while the push rod 13 moves in the opposite direction to the movement of the pull rod 18, so that the locking rod 17 moves away from the locking hole 16, making the locking rod 17 disengage from the locking hole 16; at this time, the second side plate 5 and the first side plate 4 can be taken out in sequence to achieve disassembly; the installation is the same by analogy.

[0042] The above is only a 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 and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A PLC control cabinet convenient for maintenance, including a bottom plate (1), characterized in that: Columnar members (2) are fixedly connected to the four corners of the upper surface of the bottom plate (1). The four columnar members (2) are jointly connected to a top plate (3) at the ends away from the bottom plate (1). A first side plate (4) is arranged at the front and rear of the upper end of the bottom plate (1). Second side plates (5) are symmetrically arranged left and right between the two first side plates (4). The adjacent sides of the two first side plates (4) are respectively in contact with the corresponding columnar members (2). The first side plates (4) and the second side plates (5) are detachably connected by a plurality of disassembly components; The disassembly component includes fixing blocks (6) symmetrically fixed on the inner walls of the first side plates (4) left and right. A fixing cavity (7) is formed in the fixing block (6). A rotating shaft (8) is arranged in the fixing cavity (7). The two ends of the rotating shaft (8) are rotatably connected to the upper and lower cavity walls of the fixing cavity (7). A rotating rod (9) is rotatably connected to the rotating shaft (8). Slide holes (10) are symmetrically formed in the rotating rod (9) with respect to the rotating shaft (8). Sliders (11) are slidably connected to the slide holes (10). First slide holes (12) communicating with the fixing cavity (7) are formed in the side walls of the two fixing blocks (6) arranged in the front-rear direction and close to each other. A push rod (13) is rotatably connected to the slider (11) close to the second side plate (5). The other end of the push rod (13) passes through the first slide hole (12) and extends outside the fixing block (6) to be horizontally connected with a cross bar (14); Chutes (15) symmetrically arranged in the front and rear are formed in the inner wall of the second side plate (5). Lock holes (16) are formed in the side of the plurality of chutes (15) close to the corresponding first side plates (4). Lock rods (17) are slidably connected to the chutes (15). One end of the lock rod (17) abuts against the bottom of the lock hole (16). The other end of the cross bar (14) is connected to the other end of the lock rod (17); A pull rod (18) is rotatably connected to the other slider (11). A second slide hole (19) is formed in the first side plate (4). A third slide hole (20) communicating with the fixing cavity (7) is formed in the fixing block (6). The second slide hole (19) and the third slide hole (20) are correspondingly arranged in the front and rear. The other end of the pull rod (18) sequentially passes through the third slide hole (20) and the second slide hole (19) and extends outside the first side plate (4) to be connected with a handle (21); An elastic component for controlling the reset of the pull rod (18) is further arranged on the pull rod (18); A moving component is further provided at the lower end of the bottom plate (1). The moving component includes symmetrically arranged clamping grooves (29) at the front and rear. The clamping grooves (29) are formed in the bottom of the bottom plate (1) in the left - right direction. Symmetrically arranged sliding blocks (30) on the left and right are slidably connected to the clamping grooves (29). A bidirectional screw rod (31) is threadedly connected to the two sliding blocks (30). The two ends of the bidirectional screw rod (31) are rotatably connected to the side walls at the ends of the clamping grooves (29) through bearings. A through - hole corresponding to the bidirectional screw rod (31) is formed in the bottom plate (1) in the horizontal direction. One end of the bidirectional screw rod (31) is connected to a rotating shaft (32). The rotating shaft (32) passes through the through - hole and extends to the outside to be connected to an adjusting rod (33). Symmetrically fixed supports (34) are provided on the left and right at the lower end of the bottom plate (1). A fixed rod (35) is rotatably connected to the support (34). A moving wheel (36) is connected to the lower end of the fixed rod (35). The adjacent sides of the two fixed rods (35) are rotatably connected to an inclined rod (37). The other ends of the inclined rod (37) are respectively rotatably connected to the corresponding sliding blocks (30).

2. The PLC control cabinet convenient for maintenance according to claim 1, characterized in that: The elastic component includes an activity cavity (22) circumferentially arranged on the inner wall of the second sliding hole (19). The activity cavity (22) is located inside the first side plate (4). A first spring (23) is sleeved on a pull rod (18) located in the activity cavity (22). A first baffle (24) is fixed on the pull rod (18) at the lower end of the first spring (23). The first baffle (24) is located in the activity cavity (22).

3. The PLC control cabinet convenient for maintenance according to claim 2, characterized in that: A sleeve (25) is provided on the second sliding hole (19) between the first baffle (24) and the handle (21). The outer wall of the sleeve (25) is threadedly connected to the second sliding hole (19). The pull rod (18) is slidably connected inside the sleeve (25). One end of the sleeve (25) extends into the activity cavity (22), and the other end of the sleeve (25) extends below the handle (21) to be provided with an adjusting part (26).

4. The PLC control cabinet convenient for maintenance according to claim 1, characterized in that: The elastic component includes a second spring (27) sleeved on the pull rod (18). The second spring (27) is connected between the handle (21) and the first side plate (4).

5. The PLC control cabinet convenient for maintenance according to claim 4, characterized in that: A sleeve (25) is provided on the second sliding hole (19). The outer wall of the sleeve (25) is threadedly connected to the second sliding hole (19). The pull rod (18) is slidably connected inside the sleeve (25). The other end of the sleeve (25) extends outside the first side plate (4) to be provided with a support part (28). A support ring is provided on the support part (28). The support ring is rotatably connected to the support part (28). The second spring (27) is connected between the handle (21) and the support ring.

6. The PLC control cabinet convenient for maintenance according to claim 1, It is characterized in that: Support legs (38) are fixed below the bottom plate (1).

7. The PLC control cabinet convenient for maintenance according to any one of claims 1-6, It is characterized in that: A movable door (39) is provided on the first side plate (4) located in the front through a hinge, and a visual window is installed on the movable door.

8. The PLC control cabinet convenient for maintenance according to any one of claims 1-6, It is characterized in that: A heat dissipation component is further provided on the first side plate (4) or the second side plate (5), the heat dissipation component includes an air inlet and an air outlet, filter nets are provided on both the air inlet and the air outlet, and a fan is further provided on the air outlet.

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