CN207250286U - A kind of horizontal annular common mode filter and its base - Google Patents
A kind of horizontal annular common mode filter and its base Download PDFInfo
- Publication number
- CN207250286U CN207250286U CN201721249459.0U CN201721249459U CN207250286U CN 207250286 U CN207250286 U CN 207250286U CN 201721249459 U CN201721249459 U CN 201721249459U CN 207250286 U CN207250286 U CN 207250286U
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- China
- Prior art keywords
- slide plate
- common mode
- mode filter
- slot
- base
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Abstract
The utility model discloses a kind of horizontal annular common mode filter and its base, including pedestal, its key points of the technical solution are that four angles of the pedestal are in the arc-shaped, pin bores are equipped with the concentric place of the circular arc, the pin bores are through hole；Pedestal upper surface is equipped with slot, and the socket center point is overlapped with pedestal central point；Pedestal bottom is equipped with pylon and clamping terminal, and the pylon is arranged concentrically with the circular arc, and the clamping terminal is symmetrically set in pedestal both sides；The height of the clamping terminal is more than the height of pylon, and the diameter of the pylon is more than the diameter of pin bores.The horizontal annular common mode filter that can adapt to plurality of specifications during installation is achieveed the purpose that.
Description
Technical field
Wave filter installing area is the utility model is related to, more specifically, it relates to a kind of horizontal annular common mode filter
Base.
Background technology
Wave filter be it is a kind of be used for eliminating the device of jamming incoherent signal, will input or output obtain by filtering it is pure straight
Galvanic electricity.Its function is exactly to obtain one specific frequency of a specific frequency or elimination.
The Chinese patent of existing Authorization Notice No. CN205069320U discloses a kind of common mode and stands around wave filter, including magnet ring
With the coil being looped around on magnet ring, only around one layer of flat wire coil on magnet ring.When needing to use wave filter in circuit, directly
Common mode is stood around wave filter welding on circuit boards.
But in actual application process, wave filter has different specification and size, in each layout circuit
When, it is required for the specification reservation installation space according to wave filter.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of horizontal annular common mode filter
Base, its have installation when can adapt to plurality of specifications horizontal annular common mode filter advantage.
To achieve the above object, the utility model provides following technical solution：
A kind of base of horizontal annular common mode filter, including pedestal, described four angles of pedestal are in the arc-shaped, the circular arc
Place is equipped with pin bores with one heart, and the pin bores are through hole；The pedestal upper surface is equipped with slot, the socket center point and pedestal
Central point overlaps；The pedestal bottom is equipped with pylon and clamping terminal, and the pylon is arranged concentrically with pin bores, the joint end
Son is symmetrically set in pedestal both sides；The height of the clamping terminal is more than the height of pylon, and the diameter of the pylon is more than pin bores
Diameter.
By using above-mentioned technical proposal, when horizontal annular common mode filter is installed on base, because circular arc is same
Pin bores are equipped with the heart, and the pin bores are through hole；The pin of horizontal annular common mode filter directly can be inserted into seat
In pin bores on body, so that horizontal annular common mode filter be fixedly connected with base, while ensure that pedestal central point with
The registration of magnet ring central point.Because the height for being clamped terminal is more than the height of pylon, when by floor installation on circuit boards,
It is connected with the buckling groove on printed circuit board (PCB) by being clamped terminal, so that base be fixedly connected with printed circuit board (PCB), is protected at the same time
The registration of the socket center point of base center point and whole printed circuit board (PCB) is demonstrate,proved.Pylon diameter is more than pin bore dia, can
It is not damaged with pin bores junction with protection pin.By horizontal annular common mode filter be installed on base on after again with electricity
Road plate is fixed, more installing because base is adapted to the installation of the horizontal annular common mode filter of a variety of different sizes
During the horizontal annular common mode filter of kind different size, it is only necessary to consider the installation space of base.
Further, it is provided with pressing device in the slot.
By using above-mentioned technical proposal, set inside slot pressing device can by horizontal annular common mode filter and
What base more fastened links together, thus ensure that different size horizontal annular common mode filter and printed circuit board (PCB) it is steady
Fixed connection.
Further, the pressing device includes the slide plate being slidably connected with socket sidewalls and be fixedly connected with slide plate the
One elastic component；One end of first elastic component is fixedly connected with the outer wall of slide plate, and the other end is fixedly connected with the inner wall of slot.
By using above-mentioned technical proposal, by the way that the first elasticity is fixedly installed between slot madial wall and slide plate outer wall
Part, can be according to plugging into the position of the specific adjusting slider of fin inside slot and the compression degree of the first elastic component, to protect
The side wall of card slide plate and fin fits closely, and improves the stability that horizontal annular common mode filter is connected with base.
Further, the slide plate includes first slide plate parallel with socket sidewalls and the vertical with the first slide plate second cunning
Plate.
By using above-mentioned technical proposal, by setting the first slide plate and second slide plate vertical with the first slide plate, ensure
The stability that fin and slot are fixed in both direction.
Further, second slide plate includes the outside plate being fixedly connected with the first elastic component and is plugged in outer intralamellar part
Inner panel, the end that the outside plate corresponds to inner panel offer insertion groove, and the insertion groove bottom wall is fixedly installed the second elastic component, institute
State one end of the second elastic component to be fixedly connected with the bottom wall of insertion groove, the other end is fixedly connected with the side wall of inner panel.
By using above-mentioned technical proposal, when plugging fin into inside slot, the first slide plate and second can be promoted to slide
Plate compresses the first elastic component.Then being plugged in the inner panel of outer intralamellar part can be released by the second elastic component, then the end of inner panel with
The side wall of first slide plate is fixedly connected.Ensure that the side wall of the first slide plate and the second slide plate is bonded with fin all the time.
Further, the sleeve of the restricted first elastic component direction of motion is set between the slide plate and the first elastic component.
By using above-mentioned technical proposal, by setting sleeve between slide plate and the first elastic component, it is ensured that slide plate
During movement, slide plate and the first elastic component are all the time along the axial movement of the first elastic component.
Further, the sleeve includes the first sleeve being fixedly connected with slide plate outer wall and is plugged in the first sleeve inner
Second sleeve, one end of the second sleeve and the first sleeve be slidably connected, and the other end is fixedly connected with slot inner wall.
By using above-mentioned technical proposal, when slide plate is during slip, second sleeve in the inside of the first sleeve not
Disconnected to slide, the movement to the first elastic component has the function that certain guiding and limitation；When slide plate is specific according to the size of fin
Adjust slide plate position and the first elastic component compressive state when, second sleeve can specifically be adjusted according to the length of the first elastic component
Section second sleeve plugs the distance into the first sleeve inner.
Further, the slide plate is provided with convex block close to the bottom wall protrusion of slot, and the slot corresponds to the position of convex block
It is fixedly installed the sliding slot coordinated with convex block.
By using above-mentioned technical proposal, during movement, convex block constantly slides slide plate along the extending direction of sliding slot,
To ensure during movement, the direction of slide plate will not shift.
Further, the convex block is embedded with ball with the outer wall that sliding slot bottom wall contacts, and the ball is dashed forward from convex block outer wall
The part gone out and the inner wall contact of sliding slot.
By using above-mentioned technical proposal, when slide plate is during movement, ball is constantly rotated in the inside of convex block, will
Sliding friction between convex block and sliding slot is changed into the rolling friction between ball and sliding slot, reduces the friction in skateboarding
Resistance, has certain protective effect to slide plate.
The another object of the utility model is to provide a kind of Horizontal ring common mode filtering for adapting to different installation spaces
Device.
A kind of horizontal annular common mode filter, includes the base of horizontal annular common mode filter as described above.
By using above-mentioned technical proposal, horizontal annular common mode filter is fixed on the base coordinated with it, so that
Adapt to different installation spaces.
In conclusion the utility model has the advantages that：
1st, it is arranged on the Horizontal ring common mode filter that the base below horizontal annular common mode filter is adapted to different size
Ripple device, and then ensure that the horizontal annular common mode filter of different size and whole printed circuit board (PCB) connective stability；
2nd, by setting the first slide plate and second slide plate vertical with the first slide plate in the inside of slot, can improve horizontal
The stability that fin and slot on annular common mode filter are fixed, ensure that what horizontal annular common mode filter was connected with base
Stability；
3rd, 4 chamfered settings of seamed edge of slot opening can facilitate the fin on horizontal annular common mode filter to be inserted into
Inside slot.
Brief description of the drawings
Fig. 1 is that the overall schematic of horizontal annular common mode filter and base is used to show Horizontal ring common mode in embodiment
The installation relation of wave filter and base；
Fig. 2 is the overall schematic of the base of horizontal annular common mode filter in embodiment；
Fig. 3 is the sectional view of the base of horizontal annular common mode filter in embodiment；
Fig. 4 is the enlarged drawing of part A in Fig. 3；
Fig. 5 is the enlarged drawing of part B in Fig. 3.
In figure：1st, horizontal annular common mode filter；11st, fin；12nd, pin；21st, pedestal；22nd, pylon；23rd, joint end
Son；24th, pin bores；25th, slot；251st, sliding slot；3rd, the first elastic component；31st, sleeve；311st, the first sleeve；312nd, second sleeve；
4th, slide plate；41st, the first slide plate；42nd, the second slide plate；421st, outside plate；422nd, inner panel；4211st, insertion groove；4212nd, the second elastic component；
43rd, convex block；431st, ball.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only explanation to the utility model, it is not the limitation to the utility model, ability
Field technique personnel as needed can make the present embodiment the modification of no creative contribution after this specification is read, but
As long as all protected in the right of the utility model be subject to Patent Law.
Embodiment 1：
A kind of base of horizontal annular common mode filter, referring to Figures 1 and 2, it includes fixed Horizontal ring common mode filtering
The pedestal 21 of device 1.Fin 11 is fixedly installed on horizontal annular common mode filter 1, the position that pedestal 21 corresponds to fin 11 opens up
There is the slot 25 coordinated with fin 11, the length and width of slot 25 is respectively less than the length and width of pedestal 21, while slot 25
Central point overlapped with the central point of pedestal 21.
With reference to Fig. 2,4 angles design of pedestal 21 is arc-shaped, and offers pin bores 24 at the concentric place of circular arc, and draw
Foot hole 24 is arranged to through hole.
Referring to Figures 1 and 2, the bottom wall protrusion of pedestal 21 is provided with the pylon 22 concentric with pin bores 24, pylon 22 it is straight
Footpath is more than the diameter of pin bores 24.The bottom wall protrusion of pedestal 21 is provided with and the buckling groove on printed circuit board (PCB)（Do not marked in figure）
The clamping terminal 23 of cooperation, above-mentioned clamping terminal 23 are symmetrically disposed on the both sides of pedestal 21；The height for being clamped terminal 23 at the same time is big
In the height of pylon 22.
With reference to Fig. 3,4 chamfered settings of seamed edge of 25 opening of slot, can facilitate fin 11（With reference to Fig. 1）Insert
Enter.
With reference to Fig. 3, the inside of slot 25 is set and pressing device, above-mentioned pressing device include the cunning parallel with 25 inner wall of slot
Plate 4 and the first elastic component 3 being fixed between 25 inner wall of slide plate 4 and slot.First elastic component 3 includes spring.When
Fin 11（With reference to Fig. 1）When plugging into 25 inside of slot, the side wall contact of the side wall and fin 11 of slide plate 4, so as to strengthen horizontal
Annular common mode filter 1（With reference to Fig. 1）The stability fixed with base.
With reference to Fig. 3, slide plate 4 includes first slide plate 41 parallel with 25 side wall of slot and vertical with the first slide plate 41 second
Slide plate 42；The first elastic component 3 is fixedly installed between 25 inner wall of first slide plate 41 and the second slide plate 42 and slot.When fin 11
（With reference to Fig. 1）When plugging into 25 inside of slot, the first slide plate 41 and the second slide plate 42 are orthogonal with fin 11 two respectively
Side wall contacts, and further increases horizontal annular common mode filter 1（With reference to Fig. 1）The stability fixed with base.
With reference to Fig. 3 and Fig. 4, in order to ensure slide plate 4 during movement, the first elastic component 3 and slide plate 4 are all the time along first
The axial movement of elastic component 3, sleeve 31 is provided between 4 and first elastic component 3 of slide plate.The sleeve 31 includes and slide plate 4
The first sleeve 311 and the second sleeve 312 being fixedly connected with 25 inner wall of slot, second sleeve 312 that side wall is fixedly connected plug
In the inside of the first sleeve 311, and can be along the axial slip of the first sleeve 311, and the inner wall and second of the first sleeve 311
The outer wall fitting of sleeve 312.
With reference to Fig. 3 and Fig. 5, the second slide plate 42 includes the outside plate 421 being fixedly connected with the first elastic component 3 and is plugged in outside plate
Inner panel 422 inside 421, the end that outside plate 421 corresponds to inner panel 422 offer insertion groove 4211, and the bottom wall of insertion groove 4211 is consolidated
Surely the second elastic component 4212 is provided with, second elastic component 4212 includes spring.One end of above-mentioned second elastic component 4212 with
The bottom wall of insertion groove 4211 is fixedly connected, and the other end is fixedly connected with side wall of the inner panel 422 close to the second elastic component 4212.When
One slide plate 41 is under the action of thrust to away from fin 11（With reference to Fig. 1）Direction movement when, inner panel 422 is in the second elastic component
Stretched out under the action of 4212 elastic forces from the inside of outside plate 421, and final and the first slide plate 41 side wall contacts.
With reference to Fig. 3 and Fig. 5, slide plate 4 has been provided projectingly convex block 43 close to the end face of 25 bottom wall of slot, and 25 bottom wall of slot corresponds to
The position of convex block 43 offers the sliding slot 251 coordinated with convex block 43；It is equal to second with 41 corresponding track length of the first slide plate to slide
The length of plate 42, the length of the first slide plate 41 is equal to 42 corresponding track length of the second slide plate.Convex block 43 is close to sliding slot at the same time
The end face of bottom wall is embedded with ball 431, and the sliding friction between convex block 43 and sliding slot 251 can be changed into ball by ball 431
Rolling friction between 431 and sliding slot 251, reduces the frictional resistance during slide plate 4 moves.
Operation principle is as follows：
4 pins 12 on horizontal annular common mode filter 1 are distinguished first in 4 pin bores 24 on inserted base
Portion, while the fin 11 on horizontal annular common mode filter 1 is alignd with the slot 25 on base, then fin 11 is inserted into slotting
Inside groove 25.During fin 11 is inserted into slot 25, fin 11 constantly pushes the first slide plate 41 and the second slide plate 42, at the same time
Constantly the first elastic component 3 of compression.During the first slide plate 41 constantly the first elastic component 3 of compression, outside plate 421 is plugged at this time
In inner panel 422 constantly stretched out under the action of 4212 elastic force of the second elastic component, finally the side wall with the first slide plate 41 contacts,
So as to which fin 11 is fixed on inside slot 25.
Then 4 pins 12 and welding circuit board that will be stretched out from the inside of pin bores 24.
Embodiment 2：
A kind of horizontal annular common mode filter, referring to Figures 1 and 2, it includes horizontal annular common mode filter 1 and fixes sleeping
The pedestal 21 of formula annular common mode filter 1.Distinguish when by 4 pins 12 on horizontal annular common mode filter 1 on inserted base
4 pin bores 24 inside, then the pedestal 21 of horizontal annular common mode filter 1 and horizontal annular common mode filter 1 is fixed
Afterwards, 4 pins 12 and welding circuit board that will finally be stretched out from the inside of pin bores 24.
Claims (10)
1. a kind of base of horizontal annular common mode filter, including pedestal (21), it is characterised in that：Described (21) four angles of pedestal
In the arc-shaped, place is equipped with pin bores to the circular arc with one heart（24）, the pin bores（24）For through hole；Pedestal (21) upper surface
Equipped with slot (25), slot (25) central point is overlapped with pedestal (21) central point；Pedestal (21) bottom is equipped with pylon
(22) it is arranged concentrically with clamping terminal (23), the pylon (22) with pin (12) hole, the clamping terminal (23) is symmetrically set in
Pedestal (21) both sides；The height of the clamping terminal (23) is more than the height of pylon (22), and the diameter of the pylon (22) is more than
Pin bores（24）Diameter.
2. the base of horizontal annular common mode filter according to claim 1, it is characterised in that：Set in the slot (25)
It is equipped with pressing device.
3. the base of horizontal annular common mode filter according to claim 2, it is characterised in that：The pressing device includes
The slide plate (4) being connected with slot (25) side walls and the first elastic component (3) being fixedly connected with slide plate (4)；First bullet
One end of property part (3) is fixedly connected with the outer wall of slide plate (4), and the other end is fixedly connected with the inner wall of slot (25).
4. the base of horizontal annular common mode filter according to claim 3, it is characterised in that：The slide plate (4) includes
First slide plate (41) parallel with slot (25) side wall and second slide plate (42) vertical with the first slide plate (41).
5. the base of horizontal annular common mode filter according to claim 4, it is characterised in that：Second slide plate (42)
Including the outside plate (421) being fixedly connected with the first elastic component (3) and the internal inner panel (422) of outside plate (421) is plugged in, it is described outer
The end of the corresponding inner panel (422) of plate (421) offers insertion groove (4211), and insertion groove (4211) bottom wall is fixedly installed the
Two elastic components (4212), one end of second elastic component (4212) are fixedly connected with the bottom wall of insertion groove (4211), the other end
It is fixedly connected with the side wall of inner panel (422).
6. the base of horizontal annular common mode filter according to claim 3, it is characterised in that：The slide plate (4) and
The sleeve (31) of restricted first elastic component (3) direction of motion is set between one elastic component (3).
7. the base of horizontal annular common mode filter according to claim 6, it is characterised in that：The sleeve (31) includes
The first sleeve (311) being fixedly connected with slide plate (4) outer wall and the second sleeve (312) being plugged in inside the first sleeve (311),
One end of the second sleeve (312) and the first sleeve (311) are slidably connected, and the other end is fixedly connected with slot (25) inner wall.
8. the base of horizontal annular common mode filter according to claim 7, it is characterised in that：The slide plate (4) is close
The bottom wall protrusion of slot (25) is provided with convex block (43), and the position of the corresponding convex block (43) of the slot (25) offers and convex block
(43) sliding slot coordinated（251）.
9. the base of horizontal annular common mode filter according to claim 8, it is characterised in that：The convex block (43) is with sliding
Groove（251）The outer wall of bottom wall contact is embedded with ball (431), the ball (431) from the part that convex block (43) outer wall protrudes with
Sliding slot（251）Inner wall contact.
A kind of 10. horizontal annular common mode filter, it is characterised in that：Including claim 1-9 any one of them Horizontal rings
The base of common-mode filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721249459.0U CN207250286U (en) | 2017-09-26 | 2017-09-26 | A kind of horizontal annular common mode filter and its base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721249459.0U CN207250286U (en) | 2017-09-26 | 2017-09-26 | A kind of horizontal annular common mode filter and its base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207250286U true CN207250286U (en) | 2018-04-17 |
Family
ID=61885705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721249459.0U Expired - Fee Related CN207250286U (en) | 2017-09-26 | 2017-09-26 | A kind of horizontal annular common mode filter and its base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207250286U (en) |
-
2017
- 2017-09-26 CN CN201721249459.0U patent/CN207250286U/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: 20180417 Termination date: 20200926 |