Door plate and door support for frequency converter

Abstract

The utility model provides a door plate support for a frequency converter, which comprises a metal plate, the metal plate comprises a fixed plate and a rotating plate, the outer wall of the fixed plate is fixed on a side plate of the frequency converter, the left side of the rotating plate is attached to the inner wall of the fixed plate, and the fixed plate is connected with the rotating plate through a rotating shaft. A bolt is arranged at the joint of the fixed plate and the rotating plate; a bracket is arranged on the right side of the rotating plate and connected with the left side of the rotating plate through a connecting plate, one side of the connecting plate is perpendicularly connected with the rotating plate, the other side of the connecting plate inclines upwards, the bracket is connected with the top of the other side of the connecting plate, and the lower end of the bracket is perpendicularly connected with the extending end. The upper end and the lower end of the bracket are obliquely connected upwards, the plane where the bracket is located is perpendicular to the plane where the rotating plate is located, and the upper end of the bracket makes contact with the frequency converter cover plate. The end of the fixing plate is connected with a vertical fixing block, and a bolt hole matched with the bolt is formed in the fixing block.

Description

Technical Field

[0001] The utility model relates to the field of frequency converters, in particular to a door panel and door support for frequency converters. Background Art

[0002] The variable-frequency drive (VFI) is a power control device that uses frequency conversion technology and microelectronics technology to control AC motors by changing the frequency of the motor's working power supply. The inverter is mainly composed of rectification (AC to DC), filtering, inversion (DC to AC), braking unit, drive unit, detection unit, and microprocessor unit. The inverter adjusts the voltage and frequency of the output power supply by the internal IGBT's disconnection, and provides the required power supply voltage according to the actual needs of the motor, thereby achieving the purpose of energy saving and speed regulation. In addition, the inverter has many protection functions, such as over-current, over-voltage, overload protection, etc. With the continuous improvement of industrial automation, inverters have also been widely used.

[0003] The existing inverter maintenance requires two people, one for maintenance and one for supporting the cover, which consumes a lot of manpower. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a door panel and door support for a frequency converter to solve at least one of the above technical problems.

[0005] The technical solution of the utility model is: a door panel and door support for a frequency converter, comprising a metal plate, characterized in that the metal plate comprises a fixed plate and a rotating plate, the outer wall of the fixed plate is fixed on the side plate of the frequency converter, the left side of the rotating plate is in contact with the inner wall of the fixed plate, the fixed plate and the rotating plate are connected by a rotating shaft, and a latch is provided at the connection between the fixed plate and the rotating plate;

[0006] A bracket is provided on the right side of the rotating plate, the bracket is connected to the left side of the rotating plate through a connecting plate, one side of the connecting plate is vertically connected to the rotating plate, the other side of the connecting plate is tilted upward, and the bracket is connected to the top of the other side of the connecting plate, the lower end of the bracket is vertically connected to the extended end, the upper end of the bracket is tilted upward to the lower end of the bracket, the plane where the bracket is located is perpendicular to the plane where the rotating plate is located, and the upper end of the bracket is in contact with the inverter cover;

[0007] A vertical fixing block is connected to the end of the fixing plate. A pin hole matching the pin is formed on the fixing block. A receiving groove of the connecting plate is formed between the fixing block and the fixing plate.

[0008] The utility model adds a rotating plate. After the inverter cover is opened, the latch is pulled out to rotate the rotating plate, the bracket moves to the fixed block, and the latch is inserted to fix it. The bracket contacts the cover to play a supporting effect, which reduces one labor and enables one person to complete the maintenance work independently.

[0009] Further preferably, the fixing plate is provided with two first extension plates, the first extension plates are arranged relative to the inner wall of the fixing plate, and the first extension plates are vertically connected to the inner wall of the fixing plate, and the end of the connecting plate is provided with two second extension plates, the second extension plates are arranged relative to the inner wall of the connecting plate, and the second extension plates are vertically connected to the inner wall of the connecting plate, and the first extension plates and the second extension plates are respectively provided with fixing holes for the fixing shaft to pass through and pin holes matching the pins with the same positions.

[0010] The latch is fixed to prevent the rotating plate from rotating when the bracket is not in use.

[0011] Further preferably, the first extension plate and the fixing block are respectively mounted on two ends of the fixing plate.

[0012] Thereby, the rotation space of the connecting plate is ensured.

[0013] Further preferably, a flap is provided at the upper and lower ends of the fixing block respectively, and the latch hole is opened on the flap.

[0014] The flap can not only fix the latch but also limit the rotation of the connecting plate.

[0015] Further preferably, the bracket is further provided with a reinforcing rib plate, one side of the reinforcing rib plate is connected to the upper end of the bracket, and the other side of the reinforcing rib plate is connected to the edge of the lower end of the bracket.

[0016] Thereby playing a supporting effect.

[0017] Further preferably, the fixing plate is provided with a mounting hole for connecting with a side plate of the frequency converter, and the mounting hole is elliptical.

[0018] Easy to fix. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the planar structure of the utility model;

[0021] Figure 3 This is a state diagram used in the present utility model.

[0022] In the figure: 1 is a fixed plate, 2 is a rotating plate, 3 is a connecting plate, 4 is a bracket, 5 is a rotating shaft, 6 is a latch, 7 is a fixed block, 8 is a flap, 9 is a latch hole, 10 is a reinforcing rib plate, 11 is a mounting hole, 12 is a first extension plate, and 13 is a second extension plate. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings.

[0024] like Figure 1-Figure 3 As shown, a door panel and door support for a frequency converter comprises a metal plate, the metal plate comprises a fixed plate 1 and a rotating plate 2, the outer wall of the fixed plate is fixed to the side plate of the frequency converter, the left side of the rotating plate is fitted with the inner wall of the fixed plate, the fixed plate and the rotating plate are connected by a rotating shaft 5, and a latch 6 is provided at the connection between the fixed plate and the rotating plate; a bracket 4 is provided on the right side of the rotating plate, the bracket and the left side of the rotating plate are connected by a connecting plate 3, one side of the connecting plate is vertically connected to the rotating plate, the other side of the connecting plate is inclined upward, and the bracket is connected to the top of the other side of the connecting plate, the lower end of the bracket is vertically connected to the extended end, the upper end of the bracket is obliquely connected to the lower end of the bracket, the plane where the bracket is located is perpendicular to the plane where the rotating plate is located, and the upper end of the bracket is in contact with the frequency converter cover; a vertical fixed block 7 is connected to the end of the fixed plate, a latch hole matching the latch is provided on the fixed block, and a receiving groove for the connecting plate is formed between the fixed block and the fixed plate.

[0025] The utility model adds a rotating plate. After the inverter cover is opened, the latch is pulled out to rotate the rotating plate, the bracket moves to the fixed block, and the latch is inserted to fix it. The bracket contacts the cover to play a supporting effect, which reduces one labor and enables one person to complete the maintenance work independently.

[0026] Further preferably, the fixed plate is provided with two first extension plates 12, which are arranged on the inner wall of the fixed plate and are vertically connected to the inner wall of the fixed plate, and the end of the connecting plate is provided with two second extension plates 13, which are arranged on the inner wall of the connecting plate and are vertically connected to the inner wall of the connecting plate, and the first extension plates and the second extension plates are respectively provided with fixing holes for the fixing shaft to pass through and bolt holes matching the bolts in the same position. When the bracket is not in use, the bolt is fixed to prevent the rotating plate from rotating.

[0027] Further preferably, the first extension plate and the fixing block are respectively mounted on both ends of the fixing plate, thereby ensuring the rotation space of the connecting plate.

[0028] Further preferably, a flap 8 is provided at the upper and lower ends of the fixing block, and a latch hole 9 is provided on the flap 8. The flap can fix the latch and also limit the connection plate after rotation.

[0029] Preferably, the bracket is further provided with a reinforcing rib plate 10, one side of which is connected to the upper end of the bracket, and the other side of which is connected to the edge of the lower end of the bracket, thereby achieving a supporting effect.

[0030] Further preferably, the fixing plate is provided with a mounting hole 11 for connecting with the inverter side plate, and the mounting hole is oval in shape for easy fixing.

[0031] The above are only preferred implementations of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A door panel and door support for a frequency converter, comprising a metal plate, characterized in that: The metal plate includes a fixed plate and a rotating plate, the outer wall of the fixed plate is fixed to the side plate of the inverter, the left side of the rotating plate is in contact with the inner wall of the fixed plate, the fixed plate and the rotating plate are connected by a rotating shaft, and a latch is provided at the connection between the fixed plate and the rotating plate; A bracket is provided on the right side of the rotating plate, the bracket is connected to the left side of the rotating plate through a connecting plate, one side of the connecting plate is vertically connected to the rotating plate, the other side of the connecting plate is tilted upward, and the bracket is connected to the top of the other side of the connecting plate, the lower end of the bracket is vertically connected to the extended end, the upper end of the bracket is tilted upward to the lower end of the bracket, the plane where the bracket is located is perpendicular to the plane where the rotating plate is located, and the upper end of the bracket is in contact with the inverter cover; A vertical fixing block is connected to the end of the fixing plate. A pin hole matching the pin is formed on the fixing block. A receiving groove of the connecting plate is formed between the fixing block and the fixing plate.

2. A door panel and door support for a frequency converter according to claim 1, characterized in that: The fixing plate is provided with two first extension plates, which are arranged opposite to the inner wall of the fixing plate and vertically connected to the inner wall of the fixing plate; the end of the connecting plate is provided with two second extension plates, which are arranged opposite to the inner wall of the connecting plate and vertically connected to the inner wall of the connecting plate; the first extension plate and the second extension plate are respectively provided with fixing holes for the fixing shaft to pass through and latch holes matching the latches, which are arranged at the same position.

3. A door panel and door support for a frequency converter according to claim 2, characterized in that: The first extension plate and the fixing block are respectively mounted on two ends of the fixing plate.

4. A door panel and door support for a frequency converter according to claim 3, characterized in that: The upper and lower ends of the fixing block are respectively provided with a flap, and the latch hole is arranged on the flap.

5. The door panel and door support for a frequency converter according to claim 1, characterized in that: The bracket is also provided with a reinforcing rib plate, one side of which is connected to the upper end of the bracket, and the other side of which is connected to the edge of the lower end of the bracket.

6. The door panel and door support for a frequency converter according to claim 1, characterized in that: The fixing plate is provided with a mounting hole for connecting with the inverter side plate, and the mounting hole is elliptical.

Images