CN208970321U - A kind of network filter of good electric property - Google Patents
A kind of network filter of good electric property Download PDFInfo
- Publication number
- CN208970321U CN208970321U CN201822099958.7U CN201822099958U CN208970321U CN 208970321 U CN208970321 U CN 208970321U CN 201822099958 U CN201822099958 U CN 201822099958U CN 208970321 U CN208970321 U CN 208970321U
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- China
- Prior art keywords
- coil
- network filter
- coil lead
- bottom plate
- electric property
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- 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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- 230000004224 protection Effects 0.000 claims abstract description 54
- 238000004804 winding Methods 0.000 claims abstract description 22
- 238000002788 crimping Methods 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 239000003973 paint Substances 0.000 abstract description 6
- 238000012797 qualification Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000037081 physical activity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a kind of network filters of good electric property, including network filter shell, coil body and coil-winding, the network filter shell is in the rectangular box structure without upper surface, the bottom inner portion of network filter shell is fixed with placement bottom plate, the placement bottom plate is in concave-shaped structure, the concave shape left and right ends middle position for placing bottom plate is equipped with protection groove, the concave shape middle position engaging for placing bottom plate has corresponding coil body, the utility model, which avoids, was easily destroyed coil lead coat of paint using tweezers originally, the problem of pinch off coil lead, and improve electric property and product qualification rate, the utility model coil ontology directly engages the placement bottom plate concave shape middle position for being placed on network filter enclosure interior, the coil-winding of coil body bottom end two sides is pressed respectively Conjunction is limited in the protection groove at both ends, realizes the fixation of coil body, is connected easy to use.
Description
Technical field
The utility model relates to network filter technical field, specially a kind of network filter of good electric property.
Background technique
The function of filter is exactly that the signal of a certain component frequency is allowed smoothly to pass through, and the letter of another part frequency
Number then by biggish inhibition, it is substantially a frequency selection circuit.In filter, signal can by frequency range,
Referred to as passband or passband；Conversely, signal is known as stopband by very big decaying or repressed frequency range completely；Passband and resistance
Boundary frequency between band is known as cutoff frequency；Voltage gain of the ideal filter in passband is constant, the electricity in stopband
Pressing gain is zero；There are the intermediate zones of certain frequency range between the passband and stopband of practical filter, but it is being actually used
During there are still following drawbacks:
1. existing filter coat of paint of its coil surface when by tweezers tweezer is easy to fall off, the lead of coil is easy quilt
It pinches disconnected, reduces electric property and product qualification rate；
2. its internal coil of existing filter is not easy to install, inconvenient for use, when installation, is easy to damage coil.
Above-mentioned drawback is solved for this purpose, we have proposed a kind of network filters of good electric property with good.
Utility model content
The purpose of this utility model is to provide a kind of network filters of good electric property, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of network filter of good electric property,
Including network filter shell, coil body and coil-winding, the network filter shell is in the rectangular box without upper surface
Structure, the bottom inner portion of network filter shell are fixed with placement bottom plate, and the placement bottom plate is in concave-shaped structure, place bottom
The concave shape left and right ends middle position of plate is equipped with protection groove, place bottom plate concave shape middle position engaging have it is right therewith
The coil body answered is arranged with coil-winding, the coil-winding of coil body lower end left and right sides at the outer ring of coil body
It is fastened on and is placed in the corresponding protection groove in the bottom plate left and right sides respectively, be additionally provided with coil lead crimping in the protection groove,
The coil lead crimping is fitted in the upper surface of coil-winding, and the upper surface pressing of coil lead crimping has rubber protection pressure
Plate, the rubber protection pressing plate two sides of coil lead crimping front and rear sides are fixed on the bottom of protection groove by equal fixing screws
On face, the coil lead crimping is integrally attached to the bottom end of coil lead, the coil lead far from one end of coil body
Activity passes through the built-in slot in network filter inner walls, and the upper table of network filter shell is run through in the upper end of coil lead
Face setting, the coil lead crimping of coil lead lower end are arranged in the lifting indent of built-in slot bottom end connection, the network filter
Sealing engaging is equipped with upper end and covers at the upper opening of wave device shell, and the upper end capping left and right sides is equipped with while through it
Upper and lower surface passes through hole.
Preferably, the bottom end of the fixing screws is through the lower surface of rubber protection pressing plate, and the bottom end of fixing screws is logical
It crosses in the threaded hole for being threadedly engaged and being connected at protection groove floor.
Preferably, the lifting indent connection is located at the inside of network filter shell, and the height for going up and down indent is greater than line
Enclose the thickness of lead crimping.
Preferably, by passing through hole and the top of upper end capping being arranged in, coil lead passed through for the upper end of the coil lead
The end outer cover for putting on the end seal side of covering is equipped with protection cap.
Preferably, the protection cap is in bottle lid-like, and the lower end of protection cap is connected to upper end capping by being threadedly engaged
In the screw thread annular groove of upper surface.
Compared with prior art, the utility model has the beneficial effects that
1. the utility model avoid it is original be easily destroyed coil lead coat of paint using tweezers, pinch off coil lead is asked
Topic, and improve electric property and product qualification rate；
2. the utility model coil ontology directly engages the placement bottom plate character cut in bas-relief for being placed on network filter enclosure interior
The coil-winding in shape middle position, coil body bottom end two sides is limited in the protection groove at both ends by pressing respectively, real
The fixation of coil body is showed, has connected easy to use；
3. upper surface is also fitted with coil lead pressure when the utility model coil coiling is pressed together in protection groove
Line, coil lead crimping upper surface are fitted with rubber protection pressing plate, and rubber protects pressing plate rear and front end solid by fixing screws
Surely it is pressed on protection groove floor, both ensure that and kept being electrically connected between coil-winding and coil lead crimping, rubber protection
Pressing plate itself plays the role of protection again, and the coat of paint for avoiding coil-winding surface is scraped damage, and protectiveness is stronger；
4. the utility model coil lead is protected by protection cap at it through the end of network filter housing upper surface
Interior, protection cap is easy to use by being threadedly engaged in the screw thread annular groove for being connected to network filter housing upper surface, protectiveness compared with
By force；
5. in the utility model go up and down indent for be fixed and clamped coil-winding and coil lead crimping when, coil lead pressure
Used in line lifting, guarantee that device works normally.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is partial sectional view at the utility model fixing screws；
Fig. 3 is that the utility model places bottom plate top view.
In figure: network filter shell 1, coil-winding 3, protection groove 4, places bottom plate 5, coil lead at coil body 2
Crimping 6, rubber protection pressing plate 8, upper end capping 9, screw thread annular groove 10, protection cap 11, coil lead 12, passes through hole at fixing screws 7
13, built-in slot 14, lifting indent 15, threaded hole 16.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to Fig.1 to Fig.3, the utility model provides a kind of technical solution: a kind of network filter of good electric property,
Including network filter shell 1, coil body 2 and coil-winding 3, network filter shell 1 is in the rectangular box without upper surface
Structure, the bottom inner portion of network filter shell 1, which is fixed with, places bottom plate 5, and placing bottom plate 5 is in concave-shaped structure, places bottom
The concave shape left and right ends middle position of plate 5 be equipped with protection groove 4, place bottom plate 5 concave shape middle position engaging have with
Corresponding coil body 2, be arranged with coil-winding 3, the coil of 2 lower end left and right sides of coil body at the outer ring of coil body 2
Coiling 3 is fastened on respectively places in the corresponding protection groove 4 in 5 left and right sides of bottom plate, protects in groove 4 and is additionally provided with coil lead pressure
Line 6, coil lead crimping 6 are fitted in the upper surface of coil-winding 3, and the upper surface pressing of coil lead crimping 6 has rubber protection
Rubber protection 8 two sides of pressing plate of pressing plate 8,6 front and rear sides of coil lead crimping are fixed on protection groove 4 by equal fixing screws 7
Bottom surface on, coil lead crimping 6 is integrally attached to the bottom end of coil lead 12, coil lead far from one end of coil body 2
12 activities pass through the built-in slot 14 in 1 inner wall of network filter shell, and network filter shell is run through in the upper end of coil lead 12
The upper surface of body 1 is arranged, and the lifting indent of 14 bottom end of built-in slot connection is arranged in the coil lead crimping 6 of 12 lower end of coil lead
In 15, sealing engaging is equipped with upper end capping 9 at the upper opening of network filter shell 1, and capping 9 left and right sides in upper end is equipped with
Hole 13 is passed through through its upper and lower surface simultaneously.
The bottom end of fixing screws 7 is through the lower surface of rubber protection pressing plate 8, and the bottom end of fixing screws 7 is matched by screw thread
It closes in the threaded hole 16 being connected at protection 4 bottom surface of groove.
Lifting indent 15 is connected to the inside for being located at network filter shell 1, and the height of lifting indent 15 is greater than coil lead
The thickness of crimping 6, in the utility model lifting indent 15 for be fixed and clamped coil-winding 3 and coil lead crimping 6 when, coil
Lead crimping 6 goes up and down used, guarantee device normal work.
The upper end of coil lead 12 is by passing through hole 13 and the top of upper end capping 9 being arranged in, and coil lead 12 is through upper
The end outer cover of 9 top of end seal lid is equipped with protection cap 11.
Protection cap 11 is in bottle lid-like, and the lower end of protection cap 11 is connected to upper end 9 upper surfaces of capping by being threadedly engaged
Screw thread annular groove 10 in, the utility model coil lead 12 through 1 upper surface of network filter shell end by protection cap
In it, protection cap 11 is made by being threadedly engaged in the screw thread annular groove 10 for being connected to 1 upper surface of network filter shell for 11 protections
With conveniently, protectiveness is stronger.
When opening protection cap 11 in device, the end of coil lead 12 can be connected, is realized and external electric connection.
Working principle: the utility model avoids original using tweezers are easily destroyed coil lead coat of paint, pinch off coil draws
The problem of line, and improve electric property and product qualification rate；
The directly engaging of the utility model coil ontology 2 is placed on 5 character cut in bas-relief of placement bottom plate inside network filter shell 1
The coil-winding 3 in shape middle position, 2 bottom end two sides of coil body is limited in the protection groove 4 at both ends by pressing respectively,
The fixation of coil body 2 is realized, is connected easy to use；
Upper surface is also fitted with coil lead pressure when the utility model coil coiling 3 is pressed together in protection groove 4
Line 6,6 upper surface of coil lead crimping are fitted with rubber protection pressing plate 8, and rubber protection 8 rear and front end of pressing plate passes through fixed spiral shell
Nail 7 is fixed and clamped in protection 4 bottom surface of groove, both ensure that and has kept being electrically connected between coil-winding 3 and coil lead crimping 6,
Rubber protection pressing plate 8 itself plays the role of protection again, and the coat of paint for avoiding 3 surface of coil-winding is scraped damage, and protectiveness is stronger.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of network filter of good electric property, including network filter shell (1), coil body (2) and coil-winding
(3), it is characterised in that: the network filter shell (1) is in the rectangular box structure without upper surface, network filter shell
(1) bottom inner portion, which is fixed with, places bottom plate (5), and the placement bottom plate (5) is in concave-shaped structure, places the recessed of bottom plate (5)
Font left and right ends middle position is equipped with protection groove (4), and it is right therewith that the concave shape middle position engaging of placement bottom plate (5) has
The coil body (2) answered is arranged with coil-winding (3) at the outer ring of coil body (2), described coil body (2) lower end or so
The coil-winding (3) of side is fastened on respectively to be placed at left and right sides of bottom plate (5) in corresponding protection groove (4), the protection groove
(4) it is additionally provided in coil lead crimping (6), the coil lead crimping (6) is fitted in the upper surface of coil-winding (3), coil
The upper surface pressing of lead crimping (6) has rubber to protect pressing plate (8), and the rubber of coil lead crimping (6) front and rear sides is protected
Shield pressing plate (8) two sides are fixed on the bottom surface of protection groove (4) by equal fixing screws (7), and the coil lead crimping (6) is remote
One end from coil body (2) is integrally attached to the bottom end of coil lead (12), and coil lead (12) activity passes through network
Built-in slot (14) in casing of filter (1) inner wall, and the upper end of coil lead (12) is through the upper of network filter shell (1)
The lifting indent being connected in built-in slot (14) bottom end is arranged in surface setting, the coil lead crimping (6) of coil lead (12) lower end
(15) in, sealing engaging is equipped with upper end capping (9), the upper end capping at the upper opening of the network filter shell (1)
(9) left and right sides is equipped with while passing through hole (13) through its upper and lower surface.
2. a kind of network filter of good electric property according to claim 1, it is characterised in that: the fixing screws
(7) bottom end is through the lower surface of rubber protection pressing plate (8), and the bottom end of fixing screws (7) is connected to guarantor by being threadedly engaged
It protects in the threaded hole (16) at groove (4) bottom surface.
3. a kind of network filter of good electric property according to claim 1, it is characterised in that: the lifting indent
(15) connection is located at the inside of network filter shell (1), and the height of lifting indent (15) is greater than the thickness of coil lead crimping (6)
Degree.
4. a kind of network filter of good electric property according to claim 1, it is characterised in that: the coil lead
(12) upper end is by passing through hole (13) and being arranged in the top of upper end capping (9), and coil lead (12) is through upper end capping (9)
The end outer cover of top is equipped with protection cap (11).
5. a kind of network filter of good electric property according to claim 4, it is characterised in that: the protection cap (11)
In bottle lid-like, the lower end of protection cap (11), which passes through to be threadedly engaged, is connected to the screw thread annular groove that upper end covers (9) upper surface
(10) in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822099958.7U CN208970321U (en) | 2018-12-14 | 2018-12-14 | A kind of network filter of good electric property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822099958.7U CN208970321U (en) | 2018-12-14 | 2018-12-14 | A kind of network filter of good electric property |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208970321U true CN208970321U (en) | 2019-06-11 |
Family
ID=66766471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822099958.7U Expired - Fee Related CN208970321U (en) | 2018-12-14 | 2018-12-14 | A kind of network filter of good electric property |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208970321U (en) |
-
2018
- 2018-12-14 CN CN201822099958.7U patent/CN208970321U/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 |
Granted publication date: 20190611 |