Control cabinet convenient for assembling PLC (Programmable Logic Controller)

Abstract

The utility model provides a control cabinet convenient for assembling a PLC (Programmable Logic Controller), which belongs to the field of control cabinets and comprises a cabinet body, a heat dissipation shell is arranged at the bottom of the inner wall of the cabinet body, two vertical rods are arranged on the two sides of the top of the heat dissipation shell, and the surfaces of the two groups of vertical rods are connected with two movable plates in a sliding manner; adjusting assemblies are arranged in the middles of the opposite sides of the two movable plates. A mounting plate drives a fixing shaft to rotate in a rotating groove, then a plurality of limiting pins are inserted into a plurality of limiting holes and hole grooves, the mounting plate and a movable plate are limited and fixed, the clamping angle is adjusted, two strip-shaped blocks drive two sets of connecting rods to move on the inner walls of two fixing sleeves and drive two sets of sliding blocks to move in two sets of cavity grooves, and the clamping angle is adjusted. The two sets of positioning pins are inserted into the two corresponding sets of positioning holes and adjusting holes, limiting and fixing of the two strip-shaped blocks and the movable plate are completed, adjustment of the distance between the two strip-shaped blocks is achieved, and installation of PLCs of different sizes and shapes is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of control cabinets, in particular to a control cabinet which is convenient for assembling a PLC controller. Background Art

[0002] PLC integrated control cabinet has protection functions such as overload, short circuit, and phase loss protection. It has a compact structure, stable operation, and complete functions. It can be combined according to the actual control scale. It can realize automatic control of a single cabinet, and it can also realize multiple cabinets to form a distributed control system through industrial Ethernet or industrial field bus network. Before use, the PLC controller needs to be assembled into the control cabinet to realize the subsequent control functions of the control cabinet. The application number CN202220254086.0 disclosed an easy-to-assemble PLC intelligent electrical control cabinet, which records that it includes a control cabinet body, a fire alarm structure is provided on the top of the control cabinet body, an easy-to-assemble structure is provided inside the control cabinet body, a cabinet door is provided at one end of the control cabinet body, and a perspective window is provided inside the cabinet door. The interior of the cabinet door is provided with a ventilation and heat dissipation structure, which is arranged inside the control cabinet body by setting a structure that is easy to assemble. When in use, the movable slider connected to the mounting rod is embedded in the fixed slide rod. When in use, the mounting rod is slid back and forth in the fixed slide rod through the movable slider, which can facilitate the assembly of components to the mounting rod. After the installation is completed, the movable slider is moved to an appropriate position, and the fixing bolts on the movable slider are tightened to the fixed slide rod, thereby realizing the easy assembly function. However, the above description still has the following defects in actual use: the control cabinet is not convenient for assembling PLC controllers of different sizes when in use, and the inner wall of the control cabinet lacks a flexible adjustment structure, which restricts the control cabinet during assembly. Therefore, it is necessary to design a control cabinet that is practical and easy to assemble PLC controllers. Utility Model Content

[0003] The purpose of the present invention is to provide a control cabinet that is convenient for assembling a PLC controller, so as to solve the problems raised by the above-mentioned background technology.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solution: a control cabinet for facilitating assembly of a PLC controller, comprising a cabinet body, a heat dissipation housing provided at the bottom of the inner wall of the cabinet body, two vertical rods provided on both sides of the top of the heat dissipation housing, surfaces of two sets of the vertical rods being slidably connected to two movable plates, and adjustment assemblies provided in the middle of opposite sides of the two movable plates;

[0005] The adjusting assembly comprises two fixed shafts rotatably connected to the middle of the opposite sides of the two movable plates, the surfaces of the two fixed shafts are fixedly connected to one side of the two mounting plates, the sides of the surfaces of the two mounting plates are provided with a plurality of limiting holes, the inner walls of the plurality of limiting holes are engaged with the plurality of hole grooves provided on the surfaces of the two movable plates through limiting pins, the middle parts of the two ends of the two mounting plates are fixedly connected to fixing parts, the inner walls of the two fixing parts are provided with fixing sleeves, the inner walls of the two ends of the two fixing sleeves are interspersed with connecting rods, the other ends of the two groups of connecting rods are fixedly connected to the sides of the surfaces of the two strip blocks, the tops of the two strip blocks are provided with two threaded through holes, and the inner walls of the two groups of threaded through holes are provided with limiting assemblies;

[0006] The limit assembly includes two groups of adjusting screws installed on the inner walls of two groups of threaded perforations, one end of the two groups of adjusting screws is provided with a butterfly knob, the surface of the bottom end of the two groups of adjusting screws is provided with a limit ring, the bottom of the two groups of limit rings is fixedly connected with a spring, and the bottom of the two groups of adjusting screws is fixedly connected to one side of the two limit plates.

[0007] As a preferred solution of the present invention: a plurality of adjustment holes are provided at the four corners of the surface of the movable plate, and the inner walls of the plurality of adjustment holes can be engaged and connected with the positioning holes provided on the surfaces of both ends of the strip block through positioning pins.

[0008] As a preferred solution of the present invention: a plurality of connecting holes are provided on the surfaces of the two groups of vertical rods, two groups of moving blocks are provided on the sides of the moving plate, and the surfaces of the two groups of moving blocks are provided with insertion holes, and the inner walls of the two groups of insertion holes are engaged with the inner walls of the plurality of connecting holes through connecting pins.

[0009] As a preferred solution of the present invention: the inner walls of both ends of the fixing sleeve are provided with cavities, and the inner walls of the two cavities are slidably connected to two sliders provided at one end of the two connecting rods.

[0010] As a preferred solution of the present invention: a rotation groove is provided in the middle of the two opposite sides of the two movable plates, and the inner walls of the two rotation grooves are rotatably connected to one end of the two fixed shafts.

[0011] As a preferred solution of the present invention: a fixing bracket is provided on the other side of the inner wall of the cabinet, and a plurality of through slots are provided at the bottom of the inner wall of the fixing bracket.

[0012] As a preferred solution of the present invention: a filter is provided on the edge of the inner wall of the heat dissipation shell, and both ends of the heat dissipation shell are connected to heat dissipation windows provided on both sides of the lower part of the inner wall of the cabinet.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] (1) The fixing shaft is driven to rotate in the rotating groove by the mounting plate, and then a number of limit pins are inserted into the corresponding number of limit holes and hole grooves, so that the mounting plate and the movable plate are limited and fixed, and the clamping angle is adjusted. The two strip blocks drive the two groups of connecting rods to move on the inner walls of the two fixed sleeves, and drive the two groups of sliders to move in the two groups of cavities. The two groups of positioning pins are inserted into the corresponding two groups of positioning holes and adjustment holes to complete the limit fixation of the two strip blocks and the movable plate, thereby realizing the adjustment of the distance between the two strip blocks, so as to facilitate the installation of PLC controllers with different sizes and shapes;

[0015] (2) By bringing both sides of the PLC controller into contact with the two limit plates, the two limit plates are forced to move, and the two sets of springs are squeezed in conjunction with the two bar blocks and the two sets of limit rings. The two sets of adjusting screws are rotated by the two sets of butterfly knobs, and the two sets of adjusting screws move in the two sets of threaded through holes. The elasticity of the two sets of springs increases the stability of the PLC controller and improves the convenience of its installation and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 It is a partial structural diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the adjustment component and the limit component of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the limit assembly of the utility model.

[0020] In the figure: 1. Cabinet; 11. Heat dissipation shell; 12. Vertical pole; 13. Moving plate; 14. Hole groove; 15. Adjustment hole; 16. Connecting hole; 17. Moving block; 18. Socket; 19. Connecting pin; 110. Rotating groove; 111. Fixing frame; 112. Through groove; 113. Filter; 114. Heat dissipation window; 2. Adjustment assembly; 21. Fixed shaft; 22. Mounting plate; 23. Limiting hole; 24. Limiting pin; 25. Fixing piece; 26. Fixing sleeve; 27. Connecting rod; 28. Bar block; 29. Threaded through hole; 210. Positioning pin; 211. Positioning hole; 212. Slider; 3. Limiting assembly; 31. Adjusting screw; 32. Butterfly knob; 33. Limiting ring; 34. Spring; 35. Limiting plate. DETAILED DESCRIPTION

[0021] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figures 1-4 A control cabinet for facilitating assembly of a PLC controller includes a cabinet body 1, a heat dissipation housing 11 is provided at the bottom of the inner wall of the cabinet body 1, two vertical rods 12 are provided on both sides of the top of the heat dissipation housing 11, the surfaces of the two sets of vertical rods 12 are slidably connected to two movable plates 13, and adjustment components 2 are provided in the middle of opposite sides of the two movable plates 13;

[0023] See also Figure 3 , adjusting component 2, the adjusting component 2 includes two fixed shafts 21 rotatably connected to the middle part of the opposite side of the two movable plates 13, the surface of the two fixed shafts 21 is fixedly connected to one side of the two mounting plates 22, and the sides of the surfaces of the two mounting plates 22 are provided with a number of limiting holes 23, and the inner walls of the several limiting holes 23 are engaged with the several hole grooves 14 opened on the surfaces of the two movable plates 13 through limiting pins 24. The middle parts of both ends of the two mounting plates 22 are fixedly connected with fixing parts 25, and the inner walls of the two fixing parts 25 are provided with fixing sleeves 26. The inner walls of the two ends of the two fixing sleeves 26 are interspersed with connecting rods 27, and the other ends of the two groups of connecting rods 27 are fixedly connected to the sides of the surfaces of the two bar blocks 28. The tops of the two bar blocks 28 are provided with two threaded through-holes 29, and the inner walls of the two groups of threaded through-holes 29 are provided with limiting components 3.

[0024] During specific use: the mounting plate 22 drives the fixed shaft 21 to rotate in the rotating groove 110, and then a number of limit pins 24 are inserted into the corresponding number of limit holes 23 and the hole grooves 14, so that the mounting plate 22 and the movable plate 13 are limited and fixed to achieve the adjustment of the clamping angle. The two strip blocks 28 drive the two groups of connecting rods 27 to move on the inner walls of the two fixed sleeves 26, and drive the two groups of sliders 212 to move in the two groups of cavities. The two groups of positioning pins 210 are inserted into the corresponding two groups of positioning holes 211 and the adjustment holes 15 to complete the limit fixation of the two strip blocks 28 and the movable plate 13, thereby achieving the adjustment of the distance between the two strip blocks 28, so as to facilitate the installation of PLC controllers with different sizes and shapes.

[0025] See also Figure 4, the limit assembly 3, the limit assembly 3 includes two groups of adjusting screws 31 installed on the inner walls of the two groups of threaded through holes 29, one end of the two groups of adjusting screws 31 is provided with a butterfly knob 32, the surface of the bottom end of the two groups of adjusting screws 31 is sleeved with a limit ring 33, the bottom of the two groups of limit rings 33 is fixedly connected to a spring 34, and the bottom of the two groups of adjusting screws 31 is fixedly connected to one side of the two limit plates 35.

[0026] During specific use: the two sides of the PLC controller are brought into contact with the two limit plates 35, the two limit plates 35 are moved under force, and the two groups of springs 34 are squeezed in conjunction with the two bar blocks 28 and the two groups of limit rings 33, and the two groups of adjusting screws 31 are rotated by the two groups of butterfly knobs 32. The two groups of adjusting screws 31 move in the two groups of threaded through holes 29, and the elasticity of the two groups of springs 34 increases the stability of the fixation of the PLC controller, while improving the convenience of its installation and disassembly.

[0027] See also Figure 3 A plurality of adjustment holes 15 are provided at the four corners of the surface of the movable plate 13 , and the inner walls of the plurality of adjustment holes 15 can be engaged with the positioning holes 211 provided on the surfaces of both ends of the bar block 28 through positioning pins 210 .

[0028] During specific use: the two strip blocks 28 drive the two groups of connecting rods 27 to move on the inner walls of the two fixed sleeves 26, and drive the two groups of sliders 212 to move in the two groups of cavities, and insert the two groups of positioning pins 210 into the corresponding two groups of positioning holes 211 and adjustment holes 15 to complete the limiting fixation of the two strip blocks 28 and the movable plate 13, thereby realizing the adjustment of the distance between the two strip blocks 28.

[0029] See also Figure 3 The surfaces of the two groups of uprights 12 are provided with several connecting holes 16, and the sides of the movable plate 13 are provided with two groups of movable blocks 17. The surfaces of the two groups of movable blocks 17 are provided with insertion holes 18, and the inner walls of the two groups of insertion holes 18 are engaged with the inner walls of the several connecting holes 16 through connecting pins 19.

[0030] During specific use: the movable plate 13 drives the two sets of movable blocks 17 to move on the surface of the two vertical poles 12. When they are in the appropriate position, the two sets of connecting pins 19 are inserted into the corresponding two sets of jacks 18 and connecting holes 16, thereby fixing the movable plate 13 to the two vertical poles 12 to achieve adjustment of the installation height.

[0031] See also Figure 3 The inner walls of both ends of the fixing sleeve 26 are provided with cavities, and the inner walls of the two cavities are slidably connected to the two sliders 212 provided at one end of the two connecting rods 27.

[0032] During specific use, the two connecting rods 27 drive the two sliders 212 to slide on the inner walls of the two cavities, thereby facilitating limiting the range of movement thereof.

[0033] See also Figure 3 A rotation groove 110 is formed in the middle of the opposite side of the two movable plates 13 , and the inner walls of the two rotation grooves 110 are rotatably connected to one end of the two fixed shafts 21 .

[0034] During specific use, one end of the two fixed shafts 21 is rotatably connected to the inner walls of the two rotating grooves 110 , thereby facilitating adjustment of the clamping angles of the two limiting plates 35 .

[0035] See also Figure 2 A fixing frame 111 is provided on the other side of the inner wall of the cabinet 1 , and a plurality of through slots 112 are provided at the bottom of the inner wall of the fixing frame 111 .

[0036] In specific use, the fixing frame 111 is convenient for placing and installing relatively large electronic components on its surface, and cooperates with the plurality of through grooves 112 at the bottom of the inner wall to dissipate heat inside.

[0037] See also Figure 2 A filter screen 113 is provided on the edge of the inner wall of the heat dissipation shell 11 , and both ends of the heat dissipation shell 11 are connected to heat dissipation windows 114 provided on both sides of the lower part of the inner wall of the cabinet 1 .

[0038] During specific use: the filter 113 inside the heat dissipation housing 11 can filter dust, and cooperate with the heat dissipation windows 114 on both sides to prevent the internal temperature of the cabinet 1 from being too high and affecting the use of electronic devices.

[0039] When in use, the mounting plate 22 drives the fixed shaft 21 to rotate in the rotating groove 110, and then inserts a plurality of limiting pins 24 into the corresponding plurality of limiting holes 23 and the hole grooves 14, and fixes the mounting plate 22 and the movable plate 13 to achieve the adjustment of the clamping angle. The two strip blocks 28 drive the two groups of connecting rods 27 to move on the inner walls of the two fixing sleeves 26, and drive the two groups of sliders 212 to move in the two groups of cavities, and insert the two groups of positioning pins 210 into the corresponding two groups of positioning holes 211 and the adjustment hole 15, completing the two strip blocks 28 and the movable plate 13. The limiting fixation realizes the adjustment of the distance between the two bar blocks 28, so as to adapt to the installation of PLC controllers of different sizes and shapes; the two sides of the PLC controller are in contact with the two limiting plates 35, and the two limiting plates 35 are forced to move, and cooperate with the two bar blocks 28 and the two groups of limiting rings 33 to squeeze the two groups of springs 34, and use the two groups of butterfly knobs 32 to rotate the two groups of adjusting screws 31. The two groups of adjusting screws 31 move in the two groups of threaded through holes 29, and cooperate with the elasticity of the two groups of springs 34 to increase the stability of the fixation of the PLC controller.

[0040] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A control cabinet that facilitates the assembly of a PLC controller, characterized in that: The cabinet (1) comprises a heat dissipation housing (11) provided at the bottom of the inner wall of the cabinet (1), two vertical rods (12) provided on both sides of the top of the heat dissipation housing (11), surfaces of two groups of the vertical rods (12) being slidably connected to two movable plates (13), and adjustment components (2) provided at the middle of opposite sides of the two movable plates (13); The adjusting assembly (2) comprises two fixed shafts (21) rotatably connected to the middle of the opposite sides of the two movable plates (13), the surfaces of the two fixed shafts (21) are fixedly connected to one side of the two mounting plates (22), the sides of the surfaces of the two mounting plates (22) are provided with a plurality of limiting holes (23), the inner walls of the plurality of limiting holes (23) are engaged with a plurality of hole grooves (14) provided on the surfaces of the two movable plates (13) through limiting pins (24), and the two fixing shafts (21) are fixedly connected to the one side of the two mounting plates (22). The middle parts of both ends of the mounting plate (22) are fixedly connected with fixing parts (25), the inner walls of the two fixing parts (25) are provided with fixing sleeves (26), the inner walls of both ends of the two fixing sleeves (26) are connected with connecting rods (27), the other ends of the two groups of connecting rods (27) are fixedly connected to the sides of the surfaces of the two strip blocks (28), the tops of the two strip blocks (28) are provided with two threaded through holes (29), and the inner walls of the two groups of threaded through holes (29) are provided with limiting components (3); A limit assembly (3), the limit assembly (3) comprising two groups of adjusting screws (31) mounted on the inner walls of the two groups of threaded through holes (29), one end of each of the two groups of adjusting screws (31) being provided with a butterfly knob (32), the surface of the bottom end of each of the two groups of adjusting screws (31) being sleeved with a limit ring (33), the bottoms of each of the two groups of limit rings (33) being fixedly connected with a spring (34), and the bottoms of the two groups of adjusting screws (31) being fixedly connected to one side of two limit plates (35).

2. The control cabinet for facilitating assembly of a PLC controller according to claim 1, characterized in that: A plurality of adjustment holes (15) are provided at the four corners of the surface of the movable plate (13), and the inner walls of the plurality of adjustment holes (15) can be engaged and connected with the positioning holes (211) provided on the surfaces of both ends of the strip block (28) through positioning pins (210).

3. The control cabinet for facilitating assembly of a PLC controller according to claim 1, characterized in that: The surfaces of the two groups of vertical rods (12) are provided with a plurality of connection holes (16), the sides of the movable plate (13) are provided with two groups of movable blocks (17), the surfaces of the two groups of movable blocks (17) are provided with insertion holes (18), and the inner walls of the two groups of insertion holes (18) are engaged and connected with the inner walls of the plurality of connection holes (16) through connecting pins (19).

4. The control cabinet for facilitating assembly of a PLC controller according to claim 1, characterized in that: The inner walls of both ends of the fixing sleeve (26) are provided with cavities, and the inner walls of the two cavities are slidably connected to two sliders (212) provided at one end of the two connecting rods (27).

5. The control cabinet for facilitating assembly of a PLC controller according to claim 1, characterized in that: A rotation groove (110) is provided in the middle of one side opposite to the other of the two movable plates (13), and the inner walls of the two rotation grooves (110) are rotatably connected to one end of the two fixed shafts (21).

6. The control cabinet for facilitating assembly of a PLC controller according to claim 1, characterized in that: A fixing frame (111) is provided on the other side of the inner wall of the cabinet (1), and a plurality of through slots (112) are provided at the bottom of the inner wall of the fixing frame (111).

7. The control cabinet for facilitating assembly of a PLC controller according to claim 1, characterized in that: A filter (113) is provided on the edge of the inner wall of the heat dissipation housing (11), and both ends of the heat dissipation housing (11) are connected to heat dissipation windows (114) provided on both sides below the inner wall of the cabinet (1).

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