Novel electrical control box

Abstract

The utility model discloses a novel electrical control box, which belongs to the field of electrical control boxes, and is characterized in that the bottom of the side wall of a cavity is provided with a fixed block, the inner bottom of the cavity is provided with two movable protection plates, the movable protection plates cover an electrical interface, and the protection of the electrical interface is realized through the movable protection plates; a base pipe and a positioning rod are arranged between the fixing block and the movable protection plate, a limiting groove is formed in the side wall of the positioning rod, and the base pipe is embedded into the limiting groove through the limiting block. The movable protection plate is designed to cover the electrical interface, prevent dust and moisture from invading, protect the interface from being damaged, and improve the protection and safety performance of the electrical control box. The reset spring enables the protection plate to be automatically closed, the electrical interface is rapidly and conveniently protected, and operation efficiency is improved. A connecting mechanism of the protection plate and the box body is exquisite in design, stability and reliability of components such as a positioning rod, a base tube and a reset spring are ensured, and loosening and damage caused by vibration or impact are prevented. And the buffer rubber strips at the notches protect the wires from being damaged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of electrical control box, especially a novel electrical control box. BACKGROUND

[0002] An electrical control box is an electrical cabinet with electrical control function, which plays an important role in different scenarios. The electrical control box may also contain other electrical components, such as circuit breakers, contactors, thermal protection components, start buttons, stop buttons, and indicator lights, etc. These components work together to control the equipment. The working principle of the electrical control box is to combine different electrical components into a cabinet according to different control requirements to achieve control of the equipment. For example, an electrical control box that controls a motor may include a circuit breaker, a contactor, a thermal protection component, a start button, a stop button, and two indicator lights. When the start button is operated, the contactor is closed and the motor starts running; when the stop button is operated, the contactor is opened and the motor stops running. At the same time, the thermal protection component is used to monitor the operating temperature of the motor to prevent overheating damage. In a complex control system, the electrical control box can realize the automatic control and remote monitoring of multiple devices through the PLC controller. The PLC receives signals from the sensor, processes them to generate control instructions, and then controls the equipment through relay and other execution components.

[0003] In the current application and practice of electrical control box, the electrical interface is usually installed on the cabinet of the electrical control box as a key part for connecting with external structures. However, this installation method has a significant problem, that is, the electrical interface lacks necessary protection measures. Due to the lack of protection, the electrical interface and its connection with the external connection are easily affected by the external environment, such as dust, moisture, vibration, etc., which can cause the interface to be damaged or its performance to be reduced. This not only affects the normal operation of the electrical control box, but also may cause safety hazards, reducing the reliability and stability of the entire system. SUMMARY

[0004] The main purpose of the utility model is to provide a novel electrical control box, which can effectively solve the problems raised in the background art.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] A novel electrical control box, comprising a cabinet, a cabinet door, a mounting bracket, a control button, an electrical control component, and an electrical interface, the cabinet door is installed on the cabinet through a lock catch assembly and a hinge assembly, the mounting bracket is installed on the rear end edge of the cabinet, the control button and the electrical interface are respectively installed on the side wall and the bottom of the cabinet, a cavity is formed in the interior of the cabinet, and the electrical control component is installed in the cavity.

[0007] The side wall bottom of the cavity is provided with a fixed block, and the inner bottom of the cavity is provided with two movable protective plates covering the electrical interface, and the movable protective plates realize protection of the electrical interface.

[0008] The fixed block and the movable protective plate are provided with a base pipe and a positioning rod, the side wall of the positioning rod is provided with a limiting groove, the base pipe is embedded into the limiting groove through a limiting block, the positioning rod and the base pipe are limitedly connected, the rod head of the positioning rod is provided with a threaded part, the movable protective plate is connected through the threaded part, and the inner hole of the base pipe is provided with a return spring connected with the positioning rod, and the movable protective plate is up and down movable through the return spring.

[0009] According to the preferred scheme of the application, the lower end of the movable protective plate is provided with a notch, and the notch is connected with a buffer rubber strip through an adhesive, the wire at the electrical interface passes through the notch and contacts the buffer rubber strip, and the wire at the electrical interface is protected through buffering.

[0010] According to the preferred scheme of the application, the upper end of the movable protective plate is provided with mounting hole positions on both sides, the bottom of the box body is provided with mounting hole positions corresponding to screw holes, the positioning rod passes through the mounting hole positions and the box body screw holes to realize fixing of the two, and then the movable protective plate and the box body are fixed.

[0011] According to the preferred scheme of the application, the base pipe is fixed on the fixed block through a thread, the upper end of the base pipe is connected with a fixed head at an opening, the fixed head drops against the return spring, and the upper end of the fixed head is provided with a hexagonal hole.

[0012] According to the preferred scheme of the application, the upper end of the positioning rod is provided with a circular disc, the return spring is welded on the circular disc, the two limiting grooves are symmetrically distributed on the positioning rod, the base pipe and the limiting block are designed in an integrated manner, and the limiting block and the positioning rod are designed in a smooth manner.

[0013] According to the preferred scheme of the application, when the positioning rod is separated from the box body, the movable protective plate is movably arranged with the box body, and when the positioning rod is connected with the box body through the threaded part, the movable protective plate is fixedly arranged with the box body.

[0014] Compared with the prior art, the application has the following beneficial effects:

[0015] The design of the movable protective plate can cover the electrical interface, effectively prevent external factors such as dust and moisture from invading, protect the electrical interface from damage, and improve the protection performance and safety of the electrical control box.

[0016] The connecting mechanism between the movable protective plate and the box body is designed delicately, and through cooperation of positioning rods, base pipes and return springs, stability and reliability of the protective plate are ensured, and loosening or damage caused by vibration or external force impact is avoided. The buffer rubber strips connected at the notches at the lower end of the movable protective plate can buffer and protect the wires passing through the notches, avoid damage of the wires caused by direct contact with hard materials, and improve durability and reliability of the electrical control box. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a whole structure side view of the utility model;

[0019] Figure 3 It is a box body, electrical control assembly, electrical interface and movable protective plate display view of the utility model;

[0020] Figure 4 It is a movable protective plate, fixed block, base pipe, positioning rod and threaded part display view of the utility model;

[0021] Figure 5 It is Figure 4 An enlarged schematic view of the middle A.

[0022] In the figure: 1, box body; 2, box door; 3, mounting frame; 4, control button; 5, cavity; 6, electrical control assembly; 7, electrical interface; 8, fixed block; 9, movable protective plate; 10, notch; 11, mounting hole; 12, base pipe; 13, return spring; 14, fixed head; 15, positioning rod; 16, limiting groove; 17, threaded part. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] As Figure 1 - Figure 5 As shown in the figure, a novel electrical control box mainly comprises a box body 1, a box door 2, a mounting frame 3, a control button 4, an electrical control assembly 6 and an electrical interface 7. Among them, the box door 2 is installed on the box body 1 through a lock catch assembly and a hinge assembly, so that the box door 2 can be conveniently opened and closed. The mounting frame 3 is installed at the rear end edge of the box body 1, and provides stable support for the electrical control assembly 6. The control button 4 and the electrical interface 7 are respectively installed on the side wall and the bottom of the box body 1, which is convenient for the operator to control and connect external equipment.

[0025] The inside of the box 1 is specially designed with a cavity 5 for accommodating the electrical control assembly 6. The side wall of the cavity 5 is provided with a fixing block 8, and the inner bottom of the cavity 5 is provided with two movable protective plates 9. These movable protective plates 9 can cover the electrical interface 7, thereby providing protection for the electrical interface 7. Through the opening and closing action of the movable protective plates 9, effective protection of the electrical interface 7 can be achieved.

[0026] A base pipe 12 and a positioning rod 15 are arranged between the fixing block 8 and the movable protective plate 9. The side wall of the positioning rod 15 is provided with a limiting groove 16, and the base pipe 12 is embedded in the limiting groove 16 through a limiting block, thereby realizing the limiting connection between the positioning rod 15 and the base pipe 12. The rod head of the positioning rod 15 is provided with a threaded part 17, which is connected with the movable protective plate 9, thereby ensuring the stability and reliability of the protective plate. The inner hole of the base pipe 12 is provided with a return spring 13 connected with the positioning rod 15, and the function of the return spring 13 is to enable the movable protective plate 9 to move up and down, thereby providing the necessary elastic force when the protective plate is closed.

[0027] In order to further protect the electrical interface 7, a notch 10 is formed at the lower end of the movable protective plate 9. A buffer rubber strip is connected at the notch 10 through an adhesive. In this way, the wires at the electrical interface 7 pass through the notch 10 and contact the buffer rubber strip, thereby realizing the buffer protection of the wires and avoiding damage due to direct contact with hard materials.

[0028] Mounting holes 11 are formed at both sides of the upper end of the movable protective plate 9, and the bottom of the box 1 is also provided with mounting holes 11 corresponding to the screw holes. The positioning rod 15 passes through the mounting holes 11 and the screw holes of the box 1, and is fixed through screw connection, thereby ensuring the stable connection between the movable protective plate 9 and the box 1.

[0029] The base pipe 12 is fixed on the fixing block 8 through screwing, and a fixed head 14 is connected at the upper end opening of the base pipe 12. The function of the fixed head 14 is to resist the return spring 13 and prevent it from falling off. A hexagonal hole is also formed at the upper end of the fixed head 14, which facilitates the operation and maintenance of a hexagonal wrench.

[0030] A circular disc is arranged at the upper end of the positioning rod 15, and the return spring 13 is welded on the circular disc, thereby ensuring the stability and reliability of the spring. Two limiting grooves 16 are symmetrically distributed on the positioning rod 15, which makes the connection between the positioning rod 15 and the base pipe 12 more accurate. The base pipe 12 and the limiting block are designed in an integrated manner, and the limiting block and the positioning rod 15 are designed in a smooth manner, which reduces friction and improves the smoothness of operation.

[0031] When the positioning rod 15 is separated from the box body 1, the movable protective plate 9 can be movably arranged with the box body 1, and flexible protection is provided. When the positioning rod 15 is connected with the box body 1 through the threaded portion 17, the movable protective plate 9 is fixedly arranged with the box body 1, and the stability and reliability of the protective plate are ensured.

[0032] Assembly process: the box door 2 is installed on the box body 1 through the lock buckle assembly and the hinge assembly, so that the box door 2 can be conveniently opened and closed. The mounting frame 3 is installed at the rear end edge of the box body 1, so as to provide stable support for the electrical control assembly 6. The control button 4 is installed on the side wall of the box body 1. The electrical interface 7 is installed at the bottom of the box body 1. The cavity 5 is designed inside the box body 1, and is used for accommodating the electrical control assembly 6. The fixed block 8 is installed at the bottom of the side wall of the cavity 5. The movable protective plate 9 is installed at the inner bottom of the cavity 5. The movable protective plate 9 is connected with the fixed block 8 through the base pipe 12 and the positioning rod 15. The threaded portion 17 is arranged at the rod head of the positioning rod 15, and the movable protective plate 9 is connected through threads. The reset spring 13 is installed in the inner hole of the base pipe 12. The fixed head 14 is fixed on the upper end of the base pipe 12 through threads. The circular disc is arranged at the upper end of the positioning rod 15, and the reset spring 13 is welded on the circular disc. The positioning rod 15 passes through the mounting hole 11 and the threaded hole of the box body 1, and is fixed through threads. The buffer rubber strip is bonded at the lower end gap 10 of the movable protective plate 9. The limiting grooves 16 are symmetrically arranged on the positioning rod 15. It is ensured that all the components are correctly and stably installed, and the assembly of the electrical control box is completed.

[0033] Use process: the box door 2 is opened by operating the lock buckle assembly by hand or tool. The required operation is performed through the control button 4 on the side wall of the box body 1. The electrical interface 7 of the external device is connected to the electrical interface 7 at the bottom of the box body 1. According to the need, the protection of the electrical interface 7 is realized through the opening and closing action of the movable protective plate 9. The movable protective plate 9 is automatically closed through the elastic force of the reset spring 13, and necessary protection is provided. The hexagonal wrench is used to operate and maintain through the hexagonal hole of the fixed head 14. The stability of all the connecting parts and the protective plate is checked regularly, and the normal operation of the device is ensured. After the operation is completed, the box door 2 is closed and locked to protect the internal components.

[0034] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0035] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A novel electrical control box, comprising a box body (1), a box door (2), a mounting frame (3), a control button (4), an electrical control assembly (6) and an electrical interface (7), the box door (2) is installed on the box body (1) through a lock catch assembly and a hinge assembly, the mounting frame (3) is installed on the rear end edge of the box body (1), the control button (4) and the electrical interface (7) are respectively installed on the side wall and the bottom of the box body (1), a cavity (5) is formed in the interior of the box body (1), and the electrical control assembly (6) is installed in the cavity (5), characterized in that: The side wall bottom of the cavity (5) is provided with a fixed block (8), and the inner bottom of the cavity (5) is provided with two movable protective plates (9) covering the electrical interface (7), and the movable protective plate (9) realizes the protection of the electrical interface (7). ​ The fixed block (8) and the movable protective plate (9) are provided with a base pipe (12) and a positioning rod (15), the side wall of the positioning rod (15) is provided with a limiting groove (16), the base pipe (12) is embedded in the limiting groove (16) through a limiting block, the positioning rod (15) and the base pipe (12) are limitingly connected, the rod head of the positioning rod (15) is provided with a threaded part (17), the threaded part (17) is connected with the movable protective plate (9), and the inner hole of the base pipe (12) is provided with a reset spring (13) connected with the positioning rod (15), and the movable protective plate (9) is movably arranged through the reset spring (13).

2. A new electrical control box as claimed in claim 1, wherein: The lower end of the movable protective plate (9) is provided with a notch (10), and the notch (10) is connected with a buffer rubber strip through an adhesive, the wires at the electrical interface (7) pass through the notch (10) and contact the buffer rubber strip, and the wires at the electrical interface (7) are protected.

3. A new electrical control box according to claim 2, characterized in that: The upper end of the movable protective plate (9) is provided with a mounting hole (11) on both sides, the bottom of the box body (1) is provided with a mounting hole (11) corresponding to the screw hole, the positioning rod (15) passes through the mounting hole (11) and the screw hole of the box body (1) to realize the fixation of the two, and then the movable protective plate (9) and the box body (1) are fixed.

4. A new electrical control box according to claim 3, characterized in that: The base pipe (12) is fixed on the fixed block (8) through a thread, the upper end opening of the base pipe (12) is connected with a fixed head (14), the fixed head (14) falls against the reset spring (13), and the upper end of the fixed head (14) is provided with a hexagonal hole.

5. A novel electrical control box as claimed in claim 4, wherein: The upper end of the positioning rod (15) is provided with a circular disc, the reset spring (13) is welded on the circular disc, the two limiting grooves (16) are symmetrically distributed on the positioning rod (15), the base pipe (12) and the limiting block are designed in an integrated manner, and the limiting block and the positioning rod (15) are designed in a smooth manner.

6. A new type of electrical control box according to claim 5, characterized in that: When the positioning rod (15) is separated from the box body (1), the movable protective plate (9) and the box body (1) are movably arranged, and when the positioning rod (15) is connected with the box body (1) through the threaded part (17), the movable protective plate (9) and the box body (1) are fixedly arranged.

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