CN215427869U - Easy-to-replace frequency converter air filtering device - Google Patents
Easy-to-replace frequency converter air filtering device Download PDFInfo
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- CN215427869U CN215427869U CN202121708255.5U CN202121708255U CN215427869U CN 215427869 U CN215427869 U CN 215427869U CN 202121708255 U CN202121708255 U CN 202121708255U CN 215427869 U CN215427869 U CN 215427869U
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- frequency converter
- converter body
- clamping plate
- protective edge
- hole
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- 238000001914 filtration Methods 0.000 title claims abstract description 23
- 230000001681 protective effect Effects 0.000 claims abstract description 30
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model provides an easily-replaced frequency converter air filtering device which comprises a frequency converter body, wherein a circular mounting hole for mounting a filtering assembly is formed in the side wall of the frequency converter body, the filtering assembly comprises a filter screen and an annular protective edge fixed on the periphery of the filter screen, at least one group of clamping assemblies is fixed on the protective edge, each clamping assembly comprises a front clamping plate and a rear clamping plate which are parallel to each other, the front clamping plate and the rear clamping plate are respectively fixed on one side, back to the frequency converter body, of the protective edge and one side, facing the frequency converter body, of the protective edge, the front clamping plate and the rear clamping plate extend in the direction far away from the circle center of the protective edge, and the mounting hole is communicated with a strip-shaped through hole for the rear clamping plate to extend into the frequency converter body. The filter assembly in the frequency converter air filter device easy to replace does not need to borrow tools when being detached, and is convenient to replace and clean.
Description
Technical Field
The utility model relates to the technical field of frequency converters, in particular to an easily-replaced frequency converter air filtering device.
Background
The frequency converter is an electric control device which applies frequency conversion technology and microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor, the frequency converter mainly comprises a plurality of power elements, in order to dissipate the heat in time, an air filter assembly is usually mounted on the side wall of the frequency converter body, can prevent foreign matters from entering while playing the roles of ventilation and heat dissipation and protecting the frequency converter, however, due to the fact that dust is adsorbed by static electricity, the air filter assembly on the frequency converter needs to be detached and cleaned frequently, the air filter assembly is generally fixed through bolts, tools are needed during detachment, time and labor are wasted, and the bolts are prone to being lost.
SUMMERY OF THE UTILITY MODEL
The present invention aims to overcome the defects of the prior art and provide an easily replaceable air filter device for a frequency converter, which is used for solving the technical problems in the background art.
In order to achieve the purpose, the utility model provides an easily-replaced frequency converter air filtering device which comprises a frequency converter body, wherein a circular mounting hole for mounting a filtering assembly is formed in the side wall of the frequency converter body, the filtering assembly comprises a filter screen and an annular protective edge fixed to the periphery of the filter screen, at least one group of clamping assemblies is fixed to the protective edge, each clamping assembly comprises a front clamping plate and a rear clamping plate which are parallel to each other, the front clamping plate and the rear clamping plate are respectively fixed to one side, back to the frequency converter body, of the protective edge and one side, facing the frequency converter body, of the protective edge, the front clamping plate and the rear clamping plate extend in the direction far away from the circle center of the protective edge, and the mounting hole is communicated with a strip-shaped through hole for the rear clamping plate to extend into the frequency converter body.
Specifically, the clamping assembly further comprises a guide rod and a spring, one end of the front clamping plate is fixedly connected with the protecting edge, one end of the rear clamping plate slides in a sliding groove formed in the protecting edge along the axial direction through the T-shaped guide rod, and the spring is connected between the guide rod and the sliding groove.
Specifically, the inside spacing ring that is provided with one heart of mounting hole, the internal diameter of spacing ring is less than the radius of safe edge, the spacing ring be located converter body inside and with converter body shell integrated into one piece, be provided with on the spacing ring and make things convenient for the back splint to get into the inside breach of converter.
Specifically, the strip-shaped through hole is fixedly provided with a baffle, the upper end of the baffle is hinged to the shell of the frequency converter body through a hinge, the lower end of the baffle is provided with a fixing hole, and the protective edge is correspondingly provided with a fixing column.
Specifically, a handle is further arranged on the protecting edge.
The easy-to-replace frequency converter air filtering device obtained by the technical scheme has the beneficial effects that: set up filtering component into circularly, make clamping component and bar through-hole dislocation realize the centre gripping to filtering component through the rotation, easy dismounting has improved the efficiency that filtering component was changed to the converter.
Drawings
Fig. 1 is a schematic structural view of the easy-to-replace inverter air filter device.
Fig. 2 is a schematic structural diagram of the frequency converter body.
Fig. 3 is a right side view of the frequency converter body.
Fig. 4 is a cross-sectional view of the clamping assembly.
Fig. 5 is an enlarged schematic view at a in fig. 4.
In the figure, a frequency converter body 1; a mounting hole 11; a strip-shaped through hole 12; a stop collar 13; a filter assembly 2; a strainer 21; a protective edge 22; a chute 23; a clamping assembly 3; a front plate 31; a rear clamping plate 32; a guide rod 33; a spring 34; a baffle 4; a fixing hole 41; fixing the column 5.
Detailed Description
The utility model is further illustrated by the following figures. All other embodiments that can be obtained by a person skilled in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.
As shown in the figure, the embodiment provides an easy-to-replace frequency converter air filtering device, which comprises a frequency converter body 1, wherein a circular mounting hole 11 for mounting a filtering component 2 is formed on the side wall of the frequency converter body 1, the filter component 2 comprises a filter screen 21 and an annular protective edge 22 fixed on the periphery of the filter screen 21, the outer diameter of the protective edge 22 is consistent with the radius of the mounting hole 11, at least one group of clamping assemblies 3 are fixed on the protective edge 22, each clamping assembly 3 comprises a front clamping plate 31 and a rear clamping plate 32 which are parallel to each other, the front clamping plate 31 and the rear clamping plate 32 are respectively fixed on one side of the protective edge 22, which is back to the frequency converter body 1, and one side of the protective edge 22, which is facing to the frequency converter body 1, the front clamping plate 31 and the rear clamping plate 32 extend in the direction far away from the circle center of the protective edge 22, the vertical distance between the front clamping plate 31 and the rear clamping plate 32 is consistent with the thickness of the shell of the frequency converter body 1, correspondingly, the mounting hole 11 is communicated with a strip-shaped through hole 12 for the rear clamping plate 32 to extend into the interior of the frequency converter body 1.
The clamping assembly 3 further comprises a guide rod 33 and a spring 34, and is specific, one end of the front clamping plate 31 is fixedly connected with the protective edge 22, one end of the rear clamping plate 32 slides in a sliding groove 23 formed in the protective edge 22 along the axial direction through the T-shaped guide rod 33, the spring 34 is connected between the guide rod 33 and the sliding groove 23, and the rear clamping plate 32 is matched with the front clamping plate 31 under the action of the spring 34 to clamp the shell of the frequency converter body 1.
The inside spacing ring 13 that is provided with one heart of mounting hole 11, the internal diameter of spacing ring 13 is less than the external diameter of safe edge 22, spacing ring 13 is located 1 inside and spacing ring 13 of converter body 1 inside one side and one side inner wall of 1 shell installation filter assembly 2 of converter body on the coplanar, spacing ring 13 and 1 shell integrated into one piece of converter body for the degree of depth that restriction filter assembly 2 got into 1 shell of converter body, be provided with the breach that makes things convenient for back splint 32 to get into the converter inside on the spacing ring 13.
For avoiding the foreign matter from getting into inside the converter body 1 in the bar through-hole 12, bar through-hole 12 department still is fixed with baffle 4, and the shape of baffle 4 agrees with bar through-hole 12, the upper end of baffle 4 passes through the hinge with the shell of converter body 1 and articulates, and the lower extreme still is provided with fixed orifices 41, it is provided with fixed column 5 to correspond on the safe edge 22, fixed column 5 and clamping component 3 are along the certain distance in safe edge 22 circumferencial direction interval.
Meanwhile, the protective edge 22 is also provided with a handle, so that the filter assembly 2 can be conveniently disassembled and assembled.
During installation, the handle is held, the clamping assembly 3 is aligned to the position of the strip-shaped through hole 12, then the filtering assembly 2 is pressed into the installation hole 11 until the protective edge 22 is attached to the limiting ring 13, at the moment, the rear clamping plate 32 enters the inside of the frequency converter body 1, the front clamping plate 31 is still positioned outside the frequency converter body 1, the protective edge 22 is rotated to enable the front clamping plate 31 and the rear clamping plate 32 to be staggered with the strip-shaped through hole 12, the filtering assembly 2 is fixed under the matching of the shell of the frequency converter body 1, when the position of the fixed column 5 on the protective edge 22 corresponds to the position of the fixed hole 41, the rotation is stopped, the fixed column 5 is inserted into the fixed hole 41, and the installation of the filtering assembly 2 is completed; during the dismantlement, at first break away from baffle 4 and fixed column 5, rotatory safe edge 22 aligns with bar through-hole 12 until clamping component 3, and outside pulling safe edge 22, filter assembly 2 and dismantlement are accomplished, and whole dismantlement process convenient operation need not with the help of the instrument, and is simple swift.
It should be noted here that the rear clamp plate 32 has a certain slope on the left side, the protective edge 22 is in the process of rotating leftward, one side of the rear clamp plate 32 having the slope is firstly abutted to the shell of the frequency converter body 1, under the action of the slope, the distance between the rear clamp plate 32 and the front clamp plate 31 is increased, the shell of the frequency converter body 1 is clamped, the spring 34 is in a stretching state, the reverse action of the spring 34 causes the clamping force of the front clamp plate 31 and the clamping force of the rear clamp plate 32 to be increased, and the clamping force of the clamping assembly 3 on the filter assembly 2 is ensured.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (5)
1. The utility model provides a converter air filter who easily changes, includes the converter body, its characterized in that sets up the circular mounting hole that is used for installing filtering component on the converter body lateral wall, filtering component includes the fixed annular safe edge of filter screen and filter screen periphery, be fixed with on the safe edge and be no less than a set of clamping component, clamping component is including the front bezel and the back splint that are parallel to each other, front bezel and back splint are fixed respectively in safe edge converter body one side dorsad and towards converter body one side, and front bezel and back splint extend to keeping away from safe edge centre of a circle direction, the mounting hole communicates with the bar through-hole that supplies the back splint to stretch into converter body inside.
2. The easy-to-replace air filter device for a frequency converter according to claim 1, wherein the clamping assembly further comprises a guide rod and a spring, one end of the front clamping plate is fixedly connected with the protective edge, one end of the rear clamping plate slides in a sliding groove arranged in the axial direction of the protective edge through the T-shaped guide rod, and the spring is connected between the guide rod and the sliding groove.
3. The easy-to-replace air filtering device for a frequency converter according to claim 1, wherein a limiting ring is concentrically disposed inside the mounting hole, the inner diameter of the limiting ring is smaller than the radius of the protective edge, the limiting ring is disposed inside the frequency converter body and is integrally formed with the frequency converter body casing, and a notch is disposed on the limiting ring for facilitating the rear clamping plate to enter the frequency converter.
4. The easy-to-replace frequency converter air filtering device according to claim 1, wherein a baffle is further fixed at the strip-shaped through hole, the upper end of the baffle is hinged to the shell of the frequency converter body through a hinge, the lower end of the baffle is further provided with a fixing hole, and the protective edge is correspondingly provided with a fixing column.
5. The easy-to-replace inverter air filtration device of claim 1 wherein a handle is further provided on the protective rim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121708255.5U CN215427869U (en) | 2021-07-27 | 2021-07-27 | Easy-to-replace frequency converter air filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121708255.5U CN215427869U (en) | 2021-07-27 | 2021-07-27 | Easy-to-replace frequency converter air filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215427869U true CN215427869U (en) | 2022-01-07 |
Family
ID=79684802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121708255.5U Active CN215427869U (en) | 2021-07-27 | 2021-07-27 | Easy-to-replace frequency converter air filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215427869U (en) |
-
2021
- 2021-07-27 CN CN202121708255.5U patent/CN215427869U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240510 Address after: No. 232, Dashi Village, Yangerzhuang Town, Huanghua City, Cangzhou City, Hebei Province, 061000 Patentee after: Li Yongjiang Country or region after: China Patentee after: Li Yingpeng Address before: 311100 Room 201, building 1, No. 16, Linping Avenue, Donghu street, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou yiwa Technology Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20240514 Address after: 061000 Huanghua Economic Development Zone, Cangzhou City, Hebei Province Patentee after: Hebei constant temperature energy technology Co.,Ltd. Country or region after: China Address before: No. 232, Dashi Village, Yangerzhuang Town, Huanghua City, Cangzhou City, Hebei Province, 061000 Patentee before: Li Yongjiang Country or region before: China Patentee before: Li Yingpeng |