PLC high-precision micro-differential-pressure electric cabinet
By using a sealing gasket and fixing screws in the PLC high-precision micro differential pressure control box, the waterproofing problem at the connection between the box body and the door is solved, enhancing the sealing and protection of the control box and preventing wear and breakage of the wiring.
Patent Information
- Application Number
- CN202422881987.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-26
AI Technical Summary
When existing high-precision micro differential pressure electrical control boxes are used outdoors, the connection between the box body and the door is easily affected by rainwater, which affects the normal operation of the electrical control box.
The design employs sealing gaskets and fixing screws to ensure the airtightness between the enclosure and the door, and prevents cable wear and breakage through the use of inlet nuts, cable guide plates, and upper and lower screw holes.
The sealing and protection of the electrical control box have been improved, preventing unauthorized personnel from opening it at will, protecting internal electrical components, and preventing wire wear and breakage.
Smart Images

Figure CN223528312U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of electric cabinet, concretely is PLC high accuracy micro differential electric cabinet. BACKGROUND
[0002] PLC control box refers to programmable control box, and control box refers to complete control box, and can realize the control cabinet of motor, switch. PLC control box has overload, short circuit, open phase protection and other protection functions, and PLC comprehensive control box has overload, short circuit, open phase protection and other protection functions. The existing PLC high accuracy micro differential electric cabinet is used outdoors, the connecting part of the box and the door is waterproofed, and the internal electrical components are easily disturbed by rain, which affects the normal operation of the electric cabinet.
[0003] Therefore, in view of the above, the existing structure is improved, and the PLC high accuracy micro differential electric cabinet is provided. INVENTION CONTENTS
[0004] The utility model discloses a purpose at providing PLC high accuracy micro differential electric cabinet to solve the problem in the background art.
[0005] In order to achieve the above object, the utility model provides the following technical scheme: PLC high accuracy micro differential electric cabinet, including the box and the circuit board fixedly connected to the inner surface of the box, the front surface of the box is provided with the door, the box and the door are provided with the sealing gasket, the front surface of the door extends to the front surface of the box and is connected with the fixed screw of screw thread, and the front end of the fixed screw can be connected with the anti -disassembly cover.
[0006] Preferably, the outer surface of the box is provided with an inlet screw cap, and the inlet screw cap penetrates the surface of the box.
[0007] Preferably, the rear surface of the door is provided with a threading plate, and the number of the threading plate is three.
[0008] Preferably, the upper surface of the box extends to the inner top and is provided with an upper screw hole, and the number of the upper screw hole is two.
[0009] Preferably, the lower surface of the box extends to the inner bottom and is provided with a lower screw hole, and the number of the lower screw hole is two.
[0010] Compared with the prior art, the utility model has the beneficial effects that:
[0011] 1. The utility model discloses a box, a circuit board, a door, a sealing gasket and a fixed screw, the sealing gasket is arranged between the box and the door, the sealing property between the box and the door can be improved, the fixed screw can prevent unauthorized personnel from opening the door, and the protection and safety of the electric cabinet are improved.
[0012] 2. This utility model, through the setting of the inlet nut, the cable guide plate, the upper screw hole and the lower screw hole, the inlet nut can effectively prevent the cable from being worn at the cable inlet hole of the box and prevent the cable from breaking, and the upper screw hole and the lower screw hole can facilitate the fixing of the box. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention;
[0014] Figure 2 This is a three-dimensional structural diagram of the box body 1 of this utility model;
[0015] Figure 3 This is a three-dimensional structural diagram of the door 3 of this utility model;
[0016] Figure 4 This is a three-dimensional structural diagram of the wire inlet screw 6 of this utility model.
[0017] In the diagram: 1. Cabinet; 2. Circuit board; 3. Cabinet door; 4. Sealing gasket; 5. Fixing screw; 6. Cable entry nut; 7. Cable guide plate; 8. Upper screw hole; 9. Lower screw hole. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0019] like Figures 1-2 As shown, the PLC high-precision micro differential pressure control box includes a box body 1 and a circuit board 2 fixedly connected to the inner surface of the box body 1. The front surface of the box body 1 is provided with a door 3. A sealing gasket 4 is provided between the box body 1 and the door 3. The front surface of the door 3 extends to the front surface of the box body 1 and is threadedly connected with a fixing screw 5. The front end of the fixing screw 5 can be snapped into an anti-tamper cover.
[0020] By adopting the above technical solution, the sealing gasket 4 is used to snap the connection between the box body 1 and the door 3, which can improve the sealing performance between the box body 1 and the door 3. The fixing screw 5 can prevent unauthorized personnel from opening the door 3 at will, thereby improving the protection and safety of this electrical control box.
[0021] like Figures 1-4As shown, the outer surface of the box 1 is provided with an inlet screw cap 6, and the inlet screw cap 6 penetrates the surface of the box 1, the rear surface of the box door 3 is provided with a threading plate 7, and the number of the threading plate 7 is three, the upper surface of the box 1 extends to the inner top and is provided with an upper screw hole 8, and the number of the upper screw hole 8 is two, the lower surface of the box 1 extends to the inner bottom and is provided with a lower screw hole 9, and the number of the lower screw hole 9 is two.
[0022] Working principle: when using the PLC high-precision micro pressure difference electric control box, first, the sealing gasket 4 is used for clamping connection between the box 1 and the box door 3, which can improve the sealing between the box 1 and the box door 3, the setting of the fixing screw 5 can prevent unrelated personnel from opening the box door 3 at will, improve the protection and safety of the electric control box, the inlet screw cap 6 can effectively prevent the wire body from being worn at the inlet hole of the box 1, prevent the wire body from being broken, the upper screw hole 8 and the lower screw hole 9 are convenient for fixing the box 1, which is the working principle of the PLC high-precision micro pressure difference electric control box.
Claims
1. A PLC high-precision micro-differential electric control box, comprising a box body (1) and a circuit board (2) fixedly connected to the inner surface of the box body (1), characterized in that, The front surface of the box (1) is provided with a box door (3), a sealing gasket (4) is arranged between the box (1) and the box door (3), the front surface of the box door (3) is threadedly connected with a fixing screw (5), and the front end of the fixing screw (5) can be clamped with a anti-disassembly cover.
2. The PLC high-precision micro-differential electric control box according to claim 1, characterized in that, The outer surface of the box (1) is provided with an inlet screw cap (6) extending through the surface of the box (1).
3. The PLC high-precision micro-differential electric control box according to claim 1, characterized in that, The rear surface of the box door (3) is provided with a threading plate (7), and the number of the threading plate (7) is three.
4. The PLC high-precision micro-differential electric control box according to claim 1, characterized in that, The upper surface of the box (1) is provided with an upper screw hole (8) extending to the inner top portion, and the number of the upper screw hole (8) is two.
5. The PLC high-precision micro-differential electric control box according to claim 1, characterized in that, The lower surface of the box (1) is provided with a lower screw hole (9) extending to the inner bottom portion, and the number of the lower screw hole (9) is two.