CN207969303U - A kind of magnetic field shielding device of filter - Google Patents
A kind of magnetic field shielding device of filter Download PDFInfo
- Publication number
- CN207969303U CN207969303U CN201820409404.XU CN201820409404U CN207969303U CN 207969303 U CN207969303 U CN 207969303U CN 201820409404 U CN201820409404 U CN 201820409404U CN 207969303 U CN207969303 U CN 207969303U
- Authority
- CN
- China
- Prior art keywords
- filter
- magnetic field
- mounting base
- fluting
- inserted link
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses a kind of magnetic field shielding devices of filter, including mounting base and mounting blocks, it is provided with pedestal on the outside of the mounting base, and seamless welding between the pedestal and mounting base, the bottom of the mounting base opens up fluted, the bottom side of the mounting base offers fluting, it is provided with filter screen in the fluting, and the filter screen fixation is connected in fluting, the top of the fluting is communicated with heat emission hole, the apical lateral of the pedestal is socketed with overhead guard, the top side of the overhead guard is provided with rotation head, the bottom end of the rotation head is provided with inserted link, and the inserted link is fixedly plugged in rotation head, the inserted link activity is arranged through the side wall of overhead guard.For the utility model by being provided with gauze screen, good shielding action is played in the magnetic field that can be generated to the external world, ensure that filter can work normally；Gauze screen is plugged on by the fixture block of installing frame bottom end in the card slot of mounting blocks so that it is dismantled or installment work is more simple.
Description
Technical field
The utility model is related to wave filter technology field, more particularly to a kind of magnetic field shielding device of filter.
Background technology
The filter circuit that filter is made of capacitance, inductance and resistance, filter can be to specific frequencies in power cord
Frequency point or the frequency point other than frequency effectively filtered out, obtain the power supply signal of a specific frequency, or eliminate a spy
Determine the power supply signal after frequency, but existing filter does not have magnetic field shielding device so that it is easy by external magnetic field
Interference, causes to be not thorough the direct current electric filter for inputting or exporting, poor filtration effect, it is thus impossible to meet the requirements.
Utility model content
The main purpose of the utility model is to provide a kind of magnetic field shielding devices of filter, can effectively solve background
The problems in technology.
To achieve the above object, the technical solution that the utility model is taken is：
A kind of magnetic field shielding device of filter, including mounting base and mounting blocks are provided with bottom on the outside of the mounting base
Seat, and seamless welding between the pedestal and mounting base, the bottom of the mounting base open up fluted, the bottom of the mounting base
Side offers fluting, filter screen is provided in the fluting, and filter screen fixation is connected in fluting, the fluting
Top is communicated with heat emission hole, and the apical lateral of the pedestal is socketed with overhead guard, and the top side of the overhead guard is provided with rotation head, institute
The bottom end for stating rotation head is provided with inserted link, and the inserted link is fixedly plugged in rotation head, and the inserted link activity runs through the side wall of overhead guard
Setting, the top of the mounting blocks is installed with filter.
Further, the bottom end of the inserted link is provided with closing piece, is closely welded between the closing piece and inserted link.
Further, locked groove is offered on the pedestal, the locked groove is fan groove.
Further, the top side of the mounting blocks offers card slot, and fixture block is plugged in the card slot.
Further, the top of the fixture block is installed with installing frame, and the top of the installing frame is provided with gauze screen.
Further, several radiating fins are provided in the groove, equidistantly distributed between the radiating fin.
Compared with prior art, the utility model has the advantages that：The utility model by being provided with gauze screen,
Good shielding action is played in the magnetic field that can be generated to the external world, ensure that filter can work normally；Gauze screen passes through peace
The fixture block of bottom end of framing up is plugged in the card slot of mounting blocks so that it is dismantled or installment work is more simple；If by being provided with
Dry radiating fin, increases the contact area with air, and heat dissipation effect is more preferable；By being provided with the locked groove of sector structure, rotate
The closing piece of inserted link bottom end realizes the interlocking to overhead guard, easy to operate, practical function.
Description of the drawings
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the utility model overall structure vertical view.
In figure：1, mounting base；2, heat emission hole；3, inserted link；4, closing piece；5, pedestal；6, card slot；7, fixture block；8, installing frame；9、
Overhead guard；10, head is revolved；11, mounting blocks；12, filter；13, gauze screen；14, groove；15, radiating fin；16, filter screen；17、
Fluting；18, locked groove.
Specific implementation mode
To make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, below
In conjunction with specific implementation mode, the utility model is expanded on further.
As shown in Figs. 1-2, a kind of magnetic field shielding device of filter, including mounting base 1 and mounting blocks 11, the mounting base
1 outside is provided with pedestal 5, and seamless welding between the pedestal 5 and mounting base 1, and the bottom of the mounting base 1 offers recessed
The bottom side of slot 14, the mounting base 1 offers fluting 17, and filter screen 16, and the filtering are provided in the fluting 17
The fixation of net 16 is connected in fluting 17, and the top of the fluting 17 is communicated with heat emission hole 2, the apical lateral socket of the pedestal 5
There are overhead guard 9, the top side of the overhead guard 9 to be provided with rotation head 10, the bottom end of the rotation head 10 is provided with inserted link 3, and described slotting
Bar 3 is fixedly plugged in rotation head 10, and 3 activity of the inserted link is arranged through the side wall of overhead guard 9, and the top of the mounting blocks 11 is fixed
Filter 12 is installed.
Wherein, the bottom end of the inserted link 3 is provided with closing piece 4, is closely welded between the closing piece 4 and inserted link 3, realizes to top
The installation interlocking function of cover 9, it is easy to operate.
Wherein, locked groove 18 is offered on the pedestal 5, the locked groove 18 is fan groove.
Wherein, the top side of the mounting blocks 11 offers card slot 6, fixture block 7 is plugged in the card slot 6 so that right
The dismounting or installment work of gauze screen 13 are more simple on installing frame 8.
Wherein, the top of the fixture block 7 is installed with installing frame 8, and the top of the installing frame 8 is provided with gauze screen
13, play the role of shielding external magnetic field, ensures the normal work of filter 12.
Wherein, several radiating fins 15 are provided in the groove 14, equidistantly distributed between the radiating fin 15 increases
Greatly with the contact area of air, heat dissipation effect is more preferable.
It should be noted that the utility model is a kind of magnetic field shielding device of filter, in use, first by fixture block 7
It is connected in the card slot 6 of mounting blocks 11, realizes that overhead guard 9 is then socketed in pedestal 5 by the installation to gauze screen 13 on installing frame 8
On, the rotation of closing piece 4 of 3 bottom end of inserted link is plugged into the locked groove 18 of sector structure, realizes by the rotation head 10 on 3 top of rotation inserted link
Fixation to overhead guard 9, when work, gauze screen 13 plays the role of shielding external magnetic field, ensure that the normal work of filter 12,
The heat that filter 12 generates during the work time is discharged by heat emission hole 2, and the filter screen 16 being clamped in fluting 17, which plays, to be prevented outside
The effect that boundary's dust in air enters, practicability are stronger.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of magnetic field shielding device of filter, including mounting base (1) and mounting blocks (11), it is characterised in that：The installation
It is provided with pedestal (5), and seamless welding between the pedestal (5) and mounting base (1) on the outside of seat (1), the mounting base (1)
Bottom opens up fluted (14), and the bottom side of the mounting base (1) offers fluting (17), is provided in the fluting (17)
Filter screen (16), and the filter screen (16) fixation is connected in fluting (17), the top of the fluting (17) is communicated with heat dissipation
The apical lateral in hole (2), the pedestal (5) is socketed with overhead guard (9), and the top side of the overhead guard (9) is provided with rotation head (10),
The bottom end of the rotation head (10) is provided with inserted link (3), and the inserted link (3) is fixedly plugged in rotation head (10), the inserted link (3)
Activity is arranged through the side wall of overhead guard (9), and the top of the mounting blocks (11) is installed with filter (12).
2. a kind of magnetic field shielding device of filter according to claim 1, it is characterised in that：The bottom of the inserted link (3)
End is provided with closing piece (4), is closely welded between the closing piece (4) and inserted link (3).
3. a kind of magnetic field shielding device of filter according to claim 1, it is characterised in that：It is opened on the pedestal (5)
Equipped with locked groove (18), the locked groove (18) is fan groove.
4. a kind of magnetic field shielding device of filter according to claim 1, it is characterised in that：The mounting blocks (11)
Top side offers card slot (6), and fixture block (7) is plugged in the card slot (6).
5. a kind of magnetic field shielding device of filter according to claim 4, it is characterised in that：The top of the fixture block (7)
End is installed with installing frame (8), and the top of the installing frame (8) is provided with gauze screen (13).
6. a kind of magnetic field shielding device of filter according to claim 4, it is characterised in that：It is set in the groove (14)
It is equipped with several radiating fins (15), equidistantly distributed between the radiating fin (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820409404.XU CN207969303U (en) | 2018-03-26 | 2018-03-26 | A kind of magnetic field shielding device of filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820409404.XU CN207969303U (en) | 2018-03-26 | 2018-03-26 | A kind of magnetic field shielding device of filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207969303U true CN207969303U (en) | 2018-10-12 |
Family
ID=63726277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820409404.XU Expired - Fee Related CN207969303U (en) | 2018-03-26 | 2018-03-26 | A kind of magnetic field shielding device of filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207969303U (en) |
-
2018
- 2018-03-26 CN CN201820409404.XU patent/CN207969303U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 Termination date: 20210326 |