CN218828430U - Pressure-resistant control box - Google Patents

Abstract

The utility model discloses a pressure-resistant control box, which comprises a box body. A wiring board, an overload protector, and a current and voltage monitor are arranged inside the box body. A wiring groove is arranged on the wiring board. The bottom of the wiring groove is The inner wall is provided with an arc-shaped copper sheet, the two side walls of the junction groove are provided with grooves, and a conductive copper sheet is rotatably connected in the groove, and the side walls of the conductive copper sheet are elastically connected to the groove through a spring one. In the utility model, the cable connector is inserted into the wiring groove and contacts the arc-shaped copper sheet, and then the pressing plate is pressed down so that the positioning column enters the inside of the positioning groove, and the card is ejected to one side under the action of the spring two, and The card slot is engaged to fix the wire pressing board on the wiring board. At this time, the pressing block under the wire pressing board enters the wiring slot and exerts a downward pressing force on the conductive copper sheet. The spring stretches to make the conductive wire The copper sheet rotates inward and cooperates with the arc-shaped copper sheet to press the cable connector, so as to perform quick wiring and improve the wiring efficiency of the voltage-resistant control box.

Description

Pressure control box

technical field

The utility model relates to the technical field of control boxes, in particular to a pressure-resistant control box.

Background technique

The control box is used for AC 50HZ, and the voltage is below 500V. It is widely used as an equipment control box for fire pump control, fan control, lighting distribution control, etc. Its AC is 50HZ, and its rated working pressure is in the low-voltage grid system with AC voltage of 380V. It can also be used in power systems with AC 50HZ and voltage below 500V as fire pump control, submersible sewage pump control, fire fan control, fan control, lighting distribution control, etc. The control methods include direct control start, star-delta step-down start control, auto-coupling step-down start control, inverter start control, soft start control and other start-up methods

The power frequency AC withstand voltage test is an important test item of the control box handover test. The withstand voltage test must be carried out before the control box is put into operation. At present, there are some problems in the withstand voltage test of the control box: terminal blocks are usually used for the test wiring of the control box. For wiring, the cable connector needs to be fastened by screwing in, which is complicated, time-consuming, and inefficient in installation and removal.

Utility model content

The purpose of this utility model is: in order to solve the above-mentioned problems, the pressure-resistant control box proposed.

In order to achieve the above object, the utility model adopts the following technical solutions:

The pressure-resistant control box includes a box body, and a wiring board, an overload protector, and a current and voltage monitor are arranged inside the box body, and a wiring groove is arranged on the wiring board, and an arc-shaped inner wall is arranged on the bottom inner wall of the wiring groove. Copper sheets, the two side walls of the wiring groove are provided with grooves, and the conductive copper sheets are connected in rotation in the grooves, the side walls of the conductive copper sheets are elastically connected to the grooves through spring one, and the wiring board A crimping board is arranged above, and a pressing block corresponding to the wiring groove is arranged under the crimping board, and positioning components connected with the crimping board are also arranged on both sides of the wiring board.

Preferably, the positioning assembly includes positioning posts installed on both sides of the wiring board and a positioning slot provided under the wiring board, the top of the positioning post has a receiving slot, and the inside of the receiving slot is rotatably connected with a card. The side wall of the card is elastically connected to the inner wall of the receiving groove through the spring two, the side wall of the receiving groove is also provided with a card slot, and the inside of the receiving groove is also provided with a disassembly-assisting component.

Preferably, the demolition-assisting component includes a sliding block, a spring three, a push block, and an adjusting member, the sliding block is slidably arranged inside the card slot and located below the card, and the side wall of the sliding block is provided with a penetrating pressure line The plate extends to the outer pull rod, the three sets of springs are set on the outside of the pull rod, a deep hole is set on the top of the pressure plate, the push block is installed inside the positioning groove and the bottom end is attached to the upper side wall of the card , the top of the push block is provided with a support rod extending through the pressure plate into the deep hole, and the adjustment member is installed on the top of the support rod.

Preferably, the adjustment member includes a U-shaped frame and bolts, and the two ends of the U-shaped frame are respectively connected to the corresponding poles, and the center of the poles is provided with a screw sleeve, and the bolts pass through the screw sleeve and the The pressure plate is connected by rotation.

In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

1. In this application, insert the cable connector into the wiring slot and make contact with the arc-shaped copper sheet, and then press down the pressure plate so that the positioning column enters the inside of the positioning slot, and the card pops out to one side under the action of the second spring. And engage with the card slot to fix the wire pressing board on the wiring board. At this time, the pressing block under the wire pressing board enters the wiring slot and exerts a downward pressing force on the conductive copper sheet. When the spring is stretched, The conductive copper sheet is rotated inwardly and the arc-shaped copper sheet is used to press the cable joint, so as to perform quick wiring and improve the wiring efficiency of the voltage-resistant control box.

2. In this application, pull the pull rod, the pull rod will drive the sliding block to move away from the card, increase the space of the card slot, and then turn the bolt, the bolt will drive the U-shaped frame to move downward through the screw sleeve, and the two ends of the U-shaped frame will drive The pole pushes the push block to move down, the push block squeezes the card to rotate inwardly and enters the interior of the accommodation groove, the spring 2 compresses, and then pulls up the pressure plate to separate the pressure plate from the wiring board, which is convenient for removing the cable connector.

Description of drawings

Fig. 1 shows a schematic diagram of the front structure of a pressure-resistant control box provided according to an embodiment of the present invention;

Fig. 2 shows a schematic diagram of the connection structure of the wiring board and the pressure wire board of the voltage-resistant control box provided according to the embodiment of the present invention;

Fig. 3 shows a schematic diagram of an enlarged structure of part A in Fig. 2 of a pressure-resistant control box provided according to an embodiment of the present invention.

illustration:

1. Box body; 2. Wiring board; 3. Pressing board; 4. Overload protector; 5. Current and voltage monitor; 6. Groove; 7. Arc copper sheet; 8. Spring one; 9. Conductive copper 10, wiring groove; 11, pressing block; 12, U-shaped frame; 13, screw sleeve; 14, bolt; 15, positioning column; 16, positioning slot; 17, accommodation slot; 18, card; 19, spring ; 20, push block; 21, deep hole; 22, pole; 23, sliding block; 24, pull rod;

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying 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 them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-3, the utility model provides a technical solution:

The pressure-resistant control box includes a box body 1, and the interior of the box body 1 is provided with a terminal board 2, an overload protector 4, and a current and voltage monitor 5, which are used to monitor the current and voltage values inside the box body 1. When the circuit is in a load state, Disconnect the circuit through the overload protector 4 to prevent damage to the internal components of the control box. The terminal board 2 is provided with a terminal slot 10, and the inner wall of the bottom of the terminal terminal 10 is provided with an arc-shaped copper sheet 7, which is convenient for contact with the cable connector for conduction and wiring. The two side walls of the groove 10 are provided with grooves 6, and the conductive copper sheet 9 is connected to the groove 6 in rotation. The conductive copper sheet 9 cooperates with the arc-shaped copper sheet 7 to press the cable joint, and the side wall of the conductive copper sheet 9 passes through. The spring one 8 is elastically connected with the groove 6, and the top of the wiring board 2 is provided with a pressing plate 3, and the lower side of the wiring board 3 is provided with a pressing block 11 corresponding to the wiring groove 10, which is used to apply force to the conductive copper sheet 9 , The two sides of the wiring board 2 are also provided with positioning components connected with the wire pressing board 3 .

Specifically, as shown in Figure 2, the positioning assembly includes positioning posts 15 installed on both sides of the wiring board 2 and positioning slots 16 arranged below the wiring board 2, the top of the positioning post 15 has a receiving groove 17, and the inside of the receiving slot 17 Rotation is connected with card 18, and the side wall of card 18 is elastically connected with the inwall of holding groove 17 by spring 2 19, and the side wall of holding groove 17 is also provided with draw-in groove 26, and the inside of holding groove 17 is also provided with helping to remove parts, positioning After the column 15 enters the interior of the positioning slot 16 , the card 18 is ejected to one side under the action of the spring 2 19 and engages with the slot 26 .

Concretely, as shown in Figure 2, the part that helps to disassemble includes a sliding block 23, a spring three 25, a push block 20, and an adjustment member. The side wall is provided with a tie rod 24 extending through the wire pressing plate 3 to the outside, the spring 3 25 is sleeved on the outside of the pull rod 24, a deep hole 21 is arranged on the top of the wire pressing plate 3, and the push block 20 is installed inside the positioning groove 16 and the bottom The end is attached to the upper side wall of the card 18, and the upper side of the push block 20 is provided with a support rod 22 extending through the crimping plate 3 to the deep hole 21. Drive the sliding block 23 to move away from the card 18, increase the space of the card slot 26, facilitate the card 18 to retract and rotate, and apply pressure to the pole 22, the pole 22 pushes the push block 20 to move down, and the push block 20 squeezes The pressing card 18 rotates inwardly and enters the interior of the receiving groove 17, the spring 2 19 is compressed, and then the pressing plate 3 is pulled up to separate the pressing plate 3 from the wiring board 2.

Specifically, as shown in Figure 2, the adjustment member includes a U-shaped frame 12 and a bolt 14, and the two ends of the U-shaped frame 12 are respectively connected with the support rod 22 at the corresponding position, and the center of the support rod 22 is provided with a screw sleeve 13, and the bolt 14 runs through the threaded sleeve 13 and is rotationally connected with the pressure plate 3, and the bolt 14 is rotated, and the bolt 14 drives the U-shaped frame 12 to move up and down through the threaded sleeve 13, and the two ends of the U-shaped frame 12 drive the pole 22 to push the push block 20 to move up and down.

To sum up, for the voltage-resistant control box provided in this embodiment, when wiring, insert the cable joint into the wiring groove 10 and make contact with the arc-shaped copper sheet 7, and then press down the pressure plate 3 so that the positioning column 15 enters In the inside of the positioning groove 16, the card 18 is ejected to one side under the action of the spring 2 19, and engages with the draw-in groove 26, so that the pressing plate 3 is fixed on the wiring plate 2. At this time, the pressing plate 3 below the pressing plate 3 The block 11 enters the wiring groove 10, and produces a downward pressing force on the conductive copper sheet 9, and the spring one 8 is stretched, so that the conductive copper sheet 9 rotates inwardly and cooperates with the arc-shaped copper sheet 7 to press the cable joint, thereby Perform fast wiring, which improves the wiring efficiency of the pressure-resistant control box; when removing the wiring, pull the pull rod 24, and the pull rod 24 drives the sliding block 23 to move away from the card 18, increasing the space of the card slot 26, and then turning the bolt 14, the bolt 14 drives the U-shaped frame 12 to move downward through the screw sleeve 13, and the two ends of the U-shaped frame 12 drive the pole 22 to push the push block 20 to move down, and the push block 20 squeezes the card 18 to rotate inwardly and enter the interior of the receiving groove 17, and the spring two 19 compression, and then pull up the pressure plate 3, the pressure plate 3 can be separated from the wiring board 2, and the cable connector can be easily disassembled.

The above description of the embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (4)

1. Voltage-resistant control box, comprising box body (1), it is characterized in that, the interior of described box body (1) is provided with wiring board (2), overload protector (4), current and voltage monitor (5), The wiring board (2) is provided with a wiring groove (10), the bottom inner wall of the wiring groove (10) is provided with an arc-shaped copper sheet (7), and the two side walls of the wiring groove (10) are provided with concave Groove (6), in described groove (6) rotation is connected with conductive copper sheet (9), and the side wall of described conductive copper sheet (9) is elastically connected with groove (6) by spring one (8), so A crimping plate (3) is provided above the wiring board (2), and a pressing block (11) corresponding to the wiring groove (10) is provided under the crimping plate (3), and the wiring board (2) Positioning components connected with the wire pressing plate (3) are also arranged on both sides of the side. 2. The pressure-resistant control box according to claim 1, characterized in that, the positioning assembly includes positioning columns (15) installed on both sides of the wiring board (2) and positioning grooves arranged under the wiring board (2) (16), the top of the positioning column (15) has a receiving groove (17), and the inside of the receiving groove (17) is connected with a card (18) in rotation, and the side wall of the card (18) is passed through a spring two ( 19) Elastically connected to the inner wall of the receiving groove (17), the side wall of the receiving groove (17) is also provided with a card slot (26), and the inside of the receiving groove (17) is also provided with a disassembly-assisting component. 3. The pressure-resistant control box according to claim 2, characterized in that, the dismantling-assisting parts include a sliding block (23), a spring three (25), a push block (20), and an adjustment piece, and the sliding block ( 23) Slidingly arranged inside the card slot (26) and below the card (18), the side wall of the sliding block (23) is provided with a pull rod (24) extending through the pressure plate (3) to the outside, so The spring three (25) is sleeved on the outside of the pull rod (24), a deep hole (21) is arranged on the top of the pressure plate (3), the push block (20) is installed inside the positioning groove (16) and The bottom end is attached to the upper side wall of the card (18), and the top of the push block (20) is provided with a pole (22) extending through the pressure plate (3) into the deep hole (21). Parts are installed on the top of the pole (22). 4. The pressure-resistant control box according to claim 3, characterized in that the adjustment member comprises a U-shaped frame (12) and bolts (14), and the two ends of the U-shaped frame (12) are respectively connected to the corresponding positions The support rod (22) is connected, and the center of the support rod (22) is provided with a screw sleeve (13), and the bolt (14) passes through the screw sleeve (13) and is rotatably connected with the pressure plate (3).

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