Frequency converter convenient to install

Abstract

The utility model belongs to the technical field of frequency converters, and particularly relates to a frequency converter convenient to install, which comprises a base and a frequency converter body, the upper end face of the base is fixedly connected with a support ring, the outer wall of the support ring is provided with a plurality of uniformly distributed sliding chutes in a penetrating manner, and the interiors of the plurality of sliding chutes are connected with sliding blocks in a sliding manner; the opposite faces of the multiple sliding blocks are fixedly connected with limiting blocks, the opposite faces of the multiple sliding blocks are fixedly connected with driving plates, an arc-shaped rack can be driven to rotate through a gear, the arc-shaped rack rotates to drive a driving ring to rotate, and when the driving ring rotates, the multiple driving blocks can be driven to slide in an arc-shaped groove; when the driving block slides, the driving blocks drive the driving plates, the sliding blocks and the limiting blocks which are connected with the driving blocks to move relatively, so that the limiting blocks can be inserted into the grooves respectively, the clamping base and the frequency converter body are installed and fixed, bolts do not need to be disassembled for many times, the frequency converter is convenient to install, and the installation stability is enhanced.

Description

Technical Field

[0001] The utility model belongs to the technical field of frequency converters, in particular to a frequency converter which is easy to install. Background Art

[0002] Frequency converters are often used in power control in daily life. Frequency converters are mainly composed of rectification, filtering, inversion, braking unit, drive unit, detection unit, microprocessor unit, etc. Frequency converters rely on internal switches to adjust the voltage and frequency of the output power supply, and provide the required power supply voltage according to the actual needs of the motor, thereby saving energy and regulating speed.

[0003] Existing frequency converters are usually fixed with bolts, so that during the subsequent maintenance and replacement of the frequency converter, the bolts need to be removed multiple times, which will cause the threaded holes to become larger and reduce the stability of the frequency converter installation. Summary of the invention

[0004] The utility model provides a frequency converter which is easy to install and does not require multiple disassembly of bolts, thereby facilitating the installation of the frequency converter and enhancing the stability of the installation.

[0005] The utility model provides a frequency converter that is easy to install, comprising a base and a frequency converter body, wherein the upper end surface of the base is fixedly connected with a support ring, the outer wall of the support ring is penetrated with a plurality of evenly distributed slide grooves, the interiors of the plurality of slide grooves are slidably connected with sliders, the opposite sides of the plurality of sliders are fixedly connected with limited blocks, the opposite sides of the plurality of sliders are fixedly connected with drive plates, and the upper ends of the plurality of drive plates are fixedly connected with drive blocks;

[0006] The outer wall of the support ring is sleeved with a driving ring, and the upper end of the driving ring is penetrated by a plurality of evenly distributed arc grooves, and the plurality of driving blocks respectively pass through the plurality of arc grooves and are slidably connected with the arc grooves;

[0007] The upper end surface of the base is rotatably connected to a rotating shaft, the outer wall of the rotating shaft is fixedly connected to a gear, the outer wall of the driving ring is fixedly connected to an arc-shaped rack, and the arc-shaped rack is meshed with the gear;

[0008] A card seat is fixedly connected to the lower end of the inverter body, and a plurality of grooves are formed on the outer wall of the card seat.

[0009] In order to drive the worm gear to rotate, as a preferred frequency converter that is easy to install in the utility model, the outer wall of the rotating shaft is fixedly connected to the worm gear located at the upper end of the gear, the upper end surface of the base is fixedly connected to a vertical plate, the front end of the vertical plate is rotatably connected to a worm, and the worm is meshingly connected to the worm gear.

[0010] In order to facilitate the limiting of the driving blocks, as a preferred embodiment of the utility model of an inverter that is easy to install, the upper ends of the plurality of driving blocks are fixedly connected with stoppers.

[0011] In order to facilitate the insertion of the limiting block into the groove, as a preferred embodiment of the utility model for an inverter that is easy to install, the size of the groove is greater than or equal to the size of the limiting block.

[0012] In order to facilitate the driving of the worm to rotate, as a preferred frequency converter of the utility model that is easy to install, the rear end of the worm passes through the vertical plate and is fixedly connected with a knob.

[0013] In order to facilitate the installation of the base inside the cabinet, as a preferred embodiment of the utility model of an inverter that is easy to install, the lower end of the base is detachably connected to the cabinet by bolts.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The utility model can drive the arc-shaped rack to rotate through the gear, and the rotation of the arc-shaped rack can drive the driving ring to rotate. When the driving ring rotates, it can drive multiple driving blocks to slide inside the arc-shaped groove. When the driving block slides, it drives multiple driving plates, sliders and limit blocks connected thereto to move relatively, so that the multiple limit blocks can be inserted into the multiple grooves respectively, and the card seat and the inverter body are installed and fixed without removing the bolts multiple times, which is convenient for installing the inverter and enhances the stability of the installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the partial three-dimensional structure after the drive ring and the support ring of the utility model are separated;

[0018] Figure 3 It is a three-dimensional structural schematic diagram of the slider of the utility model;

[0019] Figure 4 It is a three-dimensional structural schematic diagram of the card holder of the utility model.

[0020] In the figure: 1. base; 2. vertical plate; 3. knob; 4. worm; 5. shaft; 6. gear; 7. worm wheel; 8. drive ring; 9. support ring; 10. slide groove; 11. slider; 12. limit block; 13. drive plate; 14. drive block; 15. inverter body; 16. arc groove; 17. arc rack; 18. stop block; 19. holder; 20. groove. DETAILED DESCRIPTION

[0021] See also Figures 1 to 4A frequency converter that is easy to install includes a base 1 and a frequency converter body 15. A support ring 9 is fixedly connected to the upper end surface of the base 1. A plurality of evenly distributed slide grooves 10 are penetrated through the outer wall of the support ring 9. Slide blocks 11 are slidably connected inside the plurality of slide grooves 10. The opposite sides of the plurality of slide blocks 11 are fixedly connected to limit blocks 12. The opposite sides of the plurality of slide blocks 11 are fixedly connected to drive plates 13. The upper ends of the plurality of drive plates 13 are fixedly connected to drive blocks 14.

[0022] The outer wall of the support ring 9 is sleeved with a driving ring 8, and a plurality of evenly distributed arc grooves 16 are formed through the upper end of the driving ring 8, and a plurality of driving blocks 14 respectively pass through the plurality of arc grooves 16 and are slidably connected to the arc grooves 16;

[0023] The upper end surface of the base 1 is rotatably connected with a rotating shaft 5, the outer wall of the rotating shaft 5 is fixedly connected with a gear 6, the outer wall of the driving ring 8 is fixedly connected with an arc-shaped rack 17, and the arc-shaped rack 17 is meshed and connected with the gear 6;

[0024] A holder 19 is fixedly connected to the lower end of the inverter body 15 , and a plurality of grooves 20 are formed on the outer wall of the holder 19 .

[0025] In this embodiment: when the inverter body 15 needs to be replaced and installed, the arc rack 17 can be driven to rotate through the gear 6, and the rotation of the arc rack 17 can drive the drive ring 8 to rotate. When the drive ring 8 rotates, it can drive multiple drive blocks 14 to slide inside the arc groove 16. When the drive block 14 slides, it drives multiple drive plates 13, sliders 11 and limit blocks 12 connected thereto to move relative to each other, so that the multiple limit blocks 12 can be respectively inserted into the multiple grooves 20 to install and fix the holder 19 and the inverter body 15. This process has a fast installation speed and does not require multiple removal of bolts, which avoids the enlargement of the threaded hole and increases the stability of the installation of the inverter body 15.

[0026] As a technical optimization solution of the utility model, the outer wall of the rotating shaft 5 is fixedly connected to the worm wheel 7 located at the upper end of the gear 6, the upper end surface of the base 1 is fixedly connected to the vertical plate 2, the front end of the vertical plate 2 is rotatably connected to the worm 4, and the worm 4 is meshingly connected to the worm wheel 7.

[0027] In this embodiment, the rotation of the worm 4 can drive the worm wheel 7 to rotate, and the rotation of the worm wheel 7 can drive the rotating shaft 5 to rotate.

[0028] As a technical optimization solution of the present invention, the upper ends of the plurality of driving blocks 14 are fixedly connected with a stopper 18 .

[0029] In this embodiment, the plurality of driving blocks 14 can be limited by the stopper 18 to prevent the driving blocks 14 from being separated from the arc groove 16 .

[0030] As a technical optimization solution of the present invention, the size of the groove 20 is greater than or equal to the size of the limiting block 12 .

[0031] In this embodiment, the size of the groove 20 is greater than or equal to the size of the limiting block 12 , so that the limiting block 12 can be easily inserted into the groove 20 .

[0032] As a technical optimization solution of the present utility model, the rear end of the worm 4 passes through the vertical plate 2 and is fixedly connected with the knob 3.

[0033] In this embodiment: the worm 4 can be driven to rotate by the knob 3.

[0034] As a technical optimization solution of the present invention, the lower end of the base 1 is detachably connected to the cabinet via bolts.

[0035] In this embodiment: the lower end of the base 1 is detachably connected to the cabinet by bolts, so that the base 1 can be conveniently installed inside the cabinet.

[0036] Working principle: when the inverter body 15 needs to be replaced and installed, the worm 4 is driven to rotate through the knob 3. The rotation of the worm 4 can drive the worm wheel 7 to rotate. When the worm wheel 7 rotates, it will drive the shaft 5 to rotate. When the shaft 5 rotates, it drives the gear 6 to rotate. The gear 6 can drive the arc rack 17 to rotate. The arc rack 17 can drive the drive ring 8 to rotate. When the drive ring 8 rotates, it can drive multiple drive blocks 14 to slide inside the arc groove 16. When the drive block 14 slides, it drives the multiple drive plates 13, sliders 11 and limit blocks 12 connected thereto to move relative to each other, so that the multiple limit blocks 12 can be respectively inserted into the multiple grooves 20 to install and fix the holder 19 and the inverter body 15. This process has a fast installation speed and does not require multiple removal of bolts, which avoids the enlargement of the threaded hole and increases the stability of the installation of the inverter body 15.

[0037] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A frequency converter that is easy to install, comprising a base (1) and a frequency converter body (15), characterized in that: The upper end surface of the base (1) is fixedly connected to a support ring (9), the outer wall of the support ring (9) is penetrated by a plurality of evenly distributed slide grooves (10), the interiors of the plurality of slide grooves (10) are slidably connected to sliders (11), the opposite sides of the plurality of sliders (11) are fixedly connected to limit blocks (12), the opposite sides of the plurality of sliders (11) are fixedly connected to drive plates (13), and the upper ends of the plurality of drive plates (13) are fixedly connected to drive blocks (14); The outer wall of the support ring (9) is sleeved with a driving ring (8), and the upper end of the driving ring (8) is penetrated by a plurality of evenly distributed arc grooves (16), and the plurality of driving blocks (14) respectively pass through the plurality of arc grooves (16) and are slidably connected to the arc grooves (16); The upper end surface of the base (1) is rotatably connected to a rotating shaft (5), the outer wall of the rotating shaft (5) is fixedly connected to a gear (6), the outer wall of the driving ring (8) is fixedly connected to an arc-shaped rack (17), and the arc-shaped rack (17) is meshingly connected to the gear (6); The lower end of the frequency converter body (15) is fixedly connected with a card seat (19), and the outer wall of the card seat (19) is provided with a plurality of grooves (20).

2. The frequency converter that is easy to install according to claim 1, characterized in that: The outer wall of the rotating shaft (5) is fixedly connected to a worm wheel (7) located at the upper end of the gear (6); the upper end surface of the base (1) is fixedly connected to a vertical plate (2); the front end of the vertical plate (2) is rotatably connected to a worm (4); and the worm (4) is meshingly connected to the worm wheel (7).

3. The frequency converter that is easy to install according to claim 1, characterized in that: The upper ends of the plurality of driving blocks (14) are all fixedly connected with a stopper (18).

4. The frequency converter that is easy to install according to claim 1, characterized in that: The size of the groove (20) is greater than or equal to the size of the limiting block (12).

5. The frequency converter that is easy to install according to claim 2, characterized in that: The rear end of the worm (4) passes through the vertical plate (2) and is fixedly connected to the knob (3).

6. The frequency converter that is easy to install according to claim 1, characterized in that: The lower end of the base (1) is detachably connected to the cabinet via bolts.

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