CN209217165U - A kind of anti-interference network filter shell structure - Google Patents
A kind of anti-interference network filter shell structure Download PDFInfo
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- CN209217165U CN209217165U CN201821952584.2U CN201821952584U CN209217165U CN 209217165 U CN209217165 U CN 209217165U CN 201821952584 U CN201821952584 U CN 201821952584U CN 209217165 U CN209217165 U CN 209217165U
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- fixed frame
- bottom plate
- plate
- middle shell
- shell
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Abstract
The utility model relates to wave filter technology fields, specifically, it is related to a kind of anti-interference network filter shell structure, it include upper housing, middle shell and lower case, the lower case is mounted on the bottom end of middle shell, upper housing is mounted on the top of middle shell, the lower case includes bottom plate and fixed frame, bottom plate is rectangular plate-like structure, fixed frame is mounted on the middle position of bottom plate and between bottom plate and middle shell, the fixed frame is the rectangular frame structure of lower ending opening, the opening face of fixed frame is Nian Jie with bottom plate, the middle position of fixed frame is provided with square hole, it is equipped between fixed frame and bottom plate in the fixed frame for jamproof permalloy rectangular slab, permalloy rectangular slab is Nian Jie with bottom plate, the cooling fin for heat dissipation is provided in square hole, the top of fixed frame is additionally provided with several for installing filter Mounting hole, by installing frame be arranged permalloy rectangular slab play the role of shielding it is jamproof.
Description
Technical field
The utility model relates to wave filter technology fields, and in particular, to a kind of anti-interference network filter shell structure.
Background technique
Filter is as its name suggests the device being filtered to wave." wave " is a very extensive physical concept,
Electronic technology field, " wave " are narrowly confined to refer in particular to describe the process of the values of various physical quantitys fluctuations at any time.
The process is converted into the function of time of voltage or electric current by the effect of various kinds of sensors, referred to as various physical quantitys when
Between waveform, or referred to as signal.Because the independent variable time ' is continuous value, referred to as continuous time signal, and practises
It is referred to as analog signal usedly.With the generation and rapid development of digital electronic computer technology, machine pair for ease of calculation
Signal is handled, and the complete reason that continuous time signal is transformed into discrete-time signal under sampling theorem guidance is produced
By and method.That is, can only use sample value expression of the original analog signal on series of discrete time coordinate point original
Signal without losing any information since the expression of these concepts of wave, waveform, signal be various physical quantitys in objective world change
Change, is naturally exactly the carrier for the various information that modern society depends on for existence.Information needs to propagate, and what is leaned on is exactly the biography of waveform signal
It passs.Signal may be distorted in each link of its generation, conversion, transmission due to the presence of environment and interference, even
It is that in quite a number of cases, this distortion is also very serious, so that signal and its entrained information are embedded in make an uproar dearly
In sound, the importance for the shell that filter is ignored under normal circumstances during filtering, if shell can play one
Fixed jamproof effect can play the effect of filtering and be obviously improved.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of anti-interference network filter shell structure, is installing
Permalloy rectangular slab is arranged in the position of filter, by the magnetic conduction effect of permalloy rectangular slab by some interference shieldings,
It is respectively provided with sealing between upper housing, middle shell and lower case three, makes to form closed chamber between three by sealing effect
Body, can be effective anti-interference, solves the problems, such as filter to external interference by above-mentioned setting.
A kind of anti-interference network filter shell structure disclosed by the utility model, include upper housing, middle shell and under
Shell, the lower case are mounted on the bottom end of middle shell, and upper housing is mounted on the top of middle shell, and the lower case includes bottom
Plate and fixed frame, bottom plate are rectangular plate-like structure, and fixed frame is mounted on the middle position of bottom plate and is located at bottom plate and middle shell
Between, the fixed frame is the rectangular frame structure of lower ending opening, and the opening face of fixed frame is Nian Jie with bottom plate, the interposition of fixed frame
It installs and is equipped with square hole, be equipped between fixed frame and bottom plate in the fixed frame for jamproof permalloy rectangle
Plate, permalloy rectangular slab is Nian Jie with bottom plate, and the cooling fin for heat dissipation is provided in square hole, and the top of fixed frame is additionally provided with
Several are used to install the mounting hole of filter.
Further, the outer ring on the bottom plate positioned at fixed frame is provided with first seal groove of circle, and middle housing bottom is set
It is equipped with second seal groove of circle, matches between the first seal groove and the second seal groove and synthesizes first annular seal space, in the first annular seal space
It is provided with the first sealing ring.
Further, four angles on the bottom plate and be located at the first seal groove circle in be respectively arranged with one first
Threaded hole, four angles of middle housing bottom are respectively arranged with a swivel nut, and each swivel nut, which is set, is provided with first bolt hole,
Each first bolt hole and a first threaded hole coaxial line, four angles of fixed frame are provided with one for avoiding swivel nut
Escape groove.
Further, the middle shell is the rectangular frame structure of upper and lower ends opening, and the top of middle four side walls of shell is equal
It is provided with a slot, the depth of slot is the half of middle shell length.
Further, the upper housing includes top plate and four plates, and the top plate is rectangular plate-like structure, and four are inserted
Plate when being mounted on the bottom end of top plate and upper housing and middle shell in closed state each plate be plugged in a slot, plate
Length it is identical as the depth of slot.
Further, the outer ring that the top of the middle shell is located at each slot is provided with a circle third seal groove, top
The outer ring that the bottom end of plate is located at each plate is provided with the 4th seal groove of a circle, each third seal groove and each 4th sealing
Second seal chamber is cooperatively formed between slot, and second sealing ring of circle is provided in each second seal chamber.
Further, four angles on the top plate positioned at top plate are provided with a second countersunk bolts hole, middle shell
Four angles on top be provided with second threaded hole, each second threaded hole is coaxial with a second countersunk bolts hole
Line.
Further, four angles of the bottom plate bottom end are provided with a mounting blocks, and mounting blocks are connect with base thread.
The utility model has the advantages that a kind of anti-interference network filter shell structure of the utility model, in the position of installation filter
Permalloy rectangular slab is installed, by the magnetic conduction effect of permalloy rectangular slab by some interference shieldings, upper housing, middle shell
It is respectively provided with sealing between lower case three, makes to form closed cavity between three by sealing effect, it can be effective
It is anti-interference, solve the problems, such as filter to external interference by above-mentioned setting.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the stereogram exploded view one in embodiment；
Fig. 2 is the stereogram exploded view two in embodiment；
Fig. 3 is section plan in embodiment；
Fig. 4 is the stereogram exploded view of lower case in embodiment；
Fig. 5 is the stereogram exploded view of upper housing in embodiment；
Fig. 6 is the schematic perspective view of middle shell in embodiment；
Description of symbols:
Upper housing 1, top plate 11, the 4th seal groove 12, the second countersunk bolts hole 13, plate 14, middle shell 2, the second sealing
Slot 21, swivel nut 22, the first bolt hole 23, slot 24, third seal groove 25, the second threaded hole 26, lower case 3, bottom plate 31, installation
Block 32, the first threaded hole 33, the first seal groove 34, fixed frame 35, escape groove 36, square hole 37, permalloy rectangular slab 38, heat dissipation
Piece 39, mounting hole 30, the first sealing ring 4, the second sealing ring 5.
Specific embodiment
Multiple embodiments that the utility model will be disclosed with schema below, as clearly stated, in many practices
Details will be explained in the following description.It should be appreciated, however, that the details in these practices does not apply this with limitation practical new
Type.That is, the details in these practices is non-essential in some embodiments of the utility model.In addition, for letter
For the sake of changing schema, some known usual structures and component will be painted it in the drawings in simply illustrative mode.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and non-specifically
The meaning of order or cis-position is censured, it is also non-to limit the utility model, it is retouched just for the sake of difference with same technique term
The component stated or operation are not understood to indicate or imply its relative importance or implicitly indicate indicated technology
The quantity of feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not within the protection scope of the requires of the utility model.
It include upper housing 1, middle shell 2 referring to figs. 1 to a kind of anti-interference network filter shell structure shown in fig. 6
With lower case 3, the lower case 3 is mounted on the bottom end of middle shell 2, and upper housing 1 is mounted on the top of middle shell 2, the lower casing
Body 3 includes bottom plate 31 and fixed frame 35, and bottom plate 31 is rectangular plate-like structure, and fixed frame 35 is mounted on the middle position of bottom plate 31
And between bottom plate 31 and middle shell 2, the fixed frame 35 is the rectangular frame structure of lower ending opening, the opening of fixed frame 35
Face is Nian Jie with bottom plate 31, and the middle position of fixed frame 35 is provided with square hole 37, is located at fixed frame 35 and bottom in the fixed frame 35
It is equipped between plate 31 for jamproof permalloy rectangular slab 38, permalloy rectangular slab 38 is Nian Jie with bottom plate 31, square hole
The cooling fin 39 for heat dissipation is provided in 37, the top of fixed frame 35 is additionally provided with several for installing the installation of filter
Hole 30.
Outer ring on the bottom plate 31 positioned at fixed frame 35 is provided with first seal groove of circle 34, middle 2 bottom end of shell setting
There is second seal groove of circle 21, with synthesis first annular seal space, first sealing between the first seal groove 34 and the second seal groove 21
It is intracavitary to be provided with the first sealing collar aperture 4.Making middle shell 2 and lower case 3 form sealing by setting the first sealing collar aperture 4 reduces
Interference stream.
Four angles on the bottom plate 31 and it is located in the circle of the first seal groove 34 and is respectively arranged with first screw thread
Hole 33, four angles of middle 2 bottom end of shell are respectively arranged with a swivel nut 22, and each swivel nut 22, which is set, is provided with first bolt
Hole 23, each first bolt hole 23 and 33 coaxial line of the first threaded hole, four angles of fixed frame 35 are provided with a use
In the escape groove 36 of evacuation swivel nut 22.First sealing collar aperture 4 is the material of caoutchouc elasticity, passes through the first threaded hole 33 and the first spiral shell
The cooperation of keyhole 23 can compress the first sealing collar aperture 4.
The middle shell 2 is the rectangular frame structure of upper and lower ends opening, and the top of middle 2 four side walls of shell is provided with one
A slot 24, the depth of slot 24 are the half of middle 2 length of shell.
The upper housing 1 includes top plate 11 and four plates 14, and the top plate 11 is rectangular plate-like structure, four plates
14 each plates 14 when being mounted on the bottom end of top plate 11 and upper housing 1 and middle shell 2 in closed state are plugged in a slot
In 24, the length of plate 14 is identical as the depth of slot 24.
By the cooperation of slot 24 and plate 14 so that the cooperation of middle shell 2 and upper housing 1 is even closer, need to illustrate
It is plate 14 is that permalloy can effectively completely cut off interference.
The outer ring that the top of the middle shell 2 is located at each slot 24 is provided with a circle third seal groove 25, top plate 11
Bottom end be located at the outer ring of each plate 14 and be provided with the 4th seal groove 12 of a circle, each third seal groove 25 and each 4th
Second seal chamber is cooperatively formed between seal groove 12, and second sealing ring of circle 5 is provided in each second seal chamber.It is logical
Cross by the second sealing ring 5 be arranged in the second seal chamber make the junction of upper housing 1 and middle shell 2 formed sealing.
Four angles on the top plate 11 positioned at top plate 11 are provided with a second countersunk bolts hole 13, middle shell 2
Four angles on top are provided with second threaded hole 26, and each second threaded hole 26 and a second countersunk bolts hole 13 are total
Axis.
Four angles of 31 bottom end of bottom plate are provided with a mounting blocks 32, and mounting blocks 32 are threadedly coupled with bottom plate 31.
Working principle: by the way that permalloy rectangular slab 38 is arranged in the position of installation filter, pass through permalloy square
Some interference shieldings are respectively provided with sealing between 3 three of upper housing 1, middle shell 2 and lower case by the magnetic conduction effect of shape plate 38, are led to
Sealing effect is crossed to form closed cavity between three, can be effective anti-interference, solve filtering by above-mentioned setting
The problem of device is to external interference, cooperation sealing is bolted when between 3 three of upper housing 1, middle shell 2 and lower case so that
Airtight cavity is formed, jamproof effect is equally played in the setting of plate 14 and slot 24.
Upper described only the embodiments of the present invention, is not intended to limit the utility model.For this field
For technical staff, various modifications and changes may be made to the present invention.The interior institute of all spirit and principle in the utility model
Any modification, equivalent substitution, improvement and etc. of work should all include within the scope of the claims of the utility model.
Claims (8)
1. a kind of anti-interference network filter shell structure, it is characterised in that: include upper housing (1), middle shell (2) and lower casing
Body (3), the lower case (3) are mounted on the bottom end of middle shell (2), and upper housing (1) is mounted on the top of middle shell (2), described
Lower case (3) includes bottom plate (31) and fixed frame (35), and bottom plate (31) is rectangular plate-like structure, and fixed frame (35) is mounted on bottom
The middle position of plate (31) and between bottom plate (31) and middle shell (2), the fixed frame (35) are the square of lower ending opening
The opening face of shape mount structure, fixed frame (35) is Nian Jie with bottom plate (31), and the middle position of fixed frame (35) is provided with square hole (37),
It is equipped between fixed frame (35) and bottom plate (31) in the fixed frame (35) for jamproof permalloy rectangular slab
(38), permalloy rectangular slab (38) is Nian Jie with bottom plate (31), and the cooling fin (39) for heat dissipation is provided in square hole (37), Gu
The top for determining frame (35) is additionally provided with several for installing the mounting hole (30) of filter.
2. a kind of anti-interference network filter shell structure according to claim 1, it is characterised in that: the bottom plate (31)
The upper outer ring positioned at fixed frame (35) is provided with first seal groove of circle (34), and it is close that middle shell (2) bottom end is provided with a circle second
Sealing groove (21) is set in the first annular seal space with first annular seal space is synthesized between the first seal groove (34) and the second seal groove (21)
It is equipped with the first sealing collar aperture (4).
3. a kind of anti-interference network filter shell structure according to claim 2, it is characterised in that: the bottom plate (31)
On four angles and be located at the first seal groove (34) circle in be respectively arranged with first threaded hole (33), middle shell (2)
Four angles of bottom end are respectively arranged with a swivel nut (22), and each swivel nut (22), which sets, is provided with first bolt hole (23),
Each first bolt hole (23) and the first threaded hole (33) coaxial line, four angles of fixed frame (35) are provided with a use
In the escape groove (36) of evacuation swivel nut (22).
4. a kind of anti-interference network filter shell structure according to claim 3, it is characterised in that: the middle shell
It (2) is the rectangular frame structure of upper and lower ends opening, the top of middle (2) four side walls of shell is provided with a slot (24), inserts
The depth of slot (24) is the half of middle shell (2) length.
5. a kind of anti-interference network filter shell structure according to claim 4, it is characterised in that: the upper housing
It (1) include top plate (11) and four plates (14), the top plate (11) is rectangular plate-like structure, and four plates (14) are mounted on
Each plate (14) is plugged in a slot when bottom end and upper housing (1) and middle shell (2) of top plate (11) are in closed state
(24) in, the length of plate (14) is identical as the depth of slot (24).
6. a kind of anti-interference network filter shell structure according to claim 5, it is characterised in that: the middle shell
(2) outer ring that top is located at each slot (24) is provided with a circle third seal groove (25), and the bottom end of top plate (11) is located at
The outer ring of each plate (14) is provided with the 4th seal groove (12) of a circle, each third seal groove (25) and each 4th sealing
Second seal chamber is cooperatively formed between slot (12), and second sealing ring of circle (5) is provided in each second seal chamber.
7. a kind of anti-interference network filter shell structure according to claim 6, it is characterised in that: the top plate (11)
Upper four angles positioned at top plate (11) are provided with a second countersunk bolts hole (13), four angles on the top of middle shell (2)
It is provided with second threaded hole (26), each second threaded hole (26) and one second countersunk bolts hole (13) coaxial line.
8. a kind of anti-interference network filter shell structure according to claim 7, it is characterised in that: the bottom plate (31)
Four angles of bottom end are provided with a mounting blocks (32), and mounting blocks (32) are threadedly coupled with bottom plate (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821952584.2U CN209217165U (en) | 2018-11-23 | 2018-11-23 | A kind of anti-interference network filter shell structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821952584.2U CN209217165U (en) | 2018-11-23 | 2018-11-23 | A kind of anti-interference network filter shell structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209217165U true CN209217165U (en) | 2019-08-06 |
Family
ID=67461319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821952584.2U Expired - Fee Related CN209217165U (en) | 2018-11-23 | 2018-11-23 | A kind of anti-interference network filter shell structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209217165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113347839A (en) * | 2021-06-19 | 2021-09-03 | 九江职业技术学院 | Anti-interference electronic communication device |
-
2018
- 2018-11-23 CN CN201821952584.2U patent/CN209217165U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113347839A (en) * | 2021-06-19 | 2021-09-03 | 九江职业技术学院 | Anti-interference electronic communication device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190806 Termination date: 20191123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |