CN221102371U - Filter device - Google Patents
Filter device Download PDFInfo
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- CN221102371U CN221102371U CN202322843393.XU CN202322843393U CN221102371U CN 221102371 U CN221102371 U CN 221102371U CN 202322843393 U CN202322843393 U CN 202322843393U CN 221102371 U CN221102371 U CN 221102371U
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- positioning
- base
- cover plate
- hole
- filter
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- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a filter, which comprises a base, a cover plate, two positioning screws, a resonant rod and a screw rod, wherein first positioning holes are respectively formed in two ends of the base, and each first positioning hole comprises a unthreaded hole and a threaded hole which are communicated with each other; the cover plate is covered on the base and is provided with two second positioning holes which are respectively corresponding to the first positioning holes; each positioning screw comprises a head part, a positioning part and a threaded part which are connected with each other, the positioning screw sequentially stretches into the first positioning hole and the second positioning hole so that the head part compresses the cover plate, the positioning part is matched with the unthreaded hole, and the threaded part is in threaded connection with the threaded hole; the resonance rod is arranged on the base; the screw rod passes through the cover plate and the base and is arranged corresponding to the resonance rod. The positioning screw is used for precisely locking the cover plate and the base, after the cover plate is positioned precisely, the relative position of the screw rod on the cover plate and the resonant rod can be guaranteed, the filter can be subjected to frequency modulation in an ideal state during debugging, and the characteristics and the efficiency can be guaranteed.
Description
Technical Field
The utility model relates to the field of filter application, in particular to a filter.
Background
Filters are widely used, and the filters generally consist of a base, a connector, a cover plate, a resonant rod, a flying rod, a low pass, a tap piece, a screw rod, a screw, and the like, and the filters are relatively high in assembly materials, and can cause characteristic problems when certain materials are assembled in an offset manner. Wherein apron assembly off-set and screw rod off-set are one of them problem, because the screw rod is assembled on the apron, can cause the screw rod off-set when apron assembly off-set simultaneously, and the screw rod off-set can influence the frequency modulation and even cause problems such as power reduction, short circuit.
Disclosure of utility model
The utility model mainly aims to provide a filter, and aims to solve the technical problems that when the existing filter cover plate is assembled in a deviated mode, screw deviation is caused synchronously, and accordingly power is reduced and short circuit is caused.
In order to achieve the above purpose, the filter provided by the utility model comprises a base, a cover plate, two positioning screws, a resonant rod and a screw rod, wherein first positioning holes are respectively formed in two ends of the base, and each first positioning hole comprises a light hole and a threaded hole which are mutually communicated; the cover plate is covered on the base and provided with two second positioning holes which are respectively corresponding to the first positioning holes; each positioning screw comprises a head part, a positioning part and a threaded part which are connected with each other, the positioning screw sequentially stretches into the first positioning hole and the second positioning hole so that the head part presses the cover plate, the positioning part is matched with the unthreaded hole, and the threaded part is in threaded connection with the threaded hole; the resonance rod is arranged on the base; the screw rod penetrates through the cover plate, and the tail end of the screw rod stretches into the base and is arranged corresponding to the resonance rod.
In an embodiment of the utility model, the filter further comprises a connector structure comprising a connecting piece and a connector body; the connecting sheet is arranged in the base, and the connector main body is detachably arranged on the cover plate so as to be connected with the connecting sheet.
In an embodiment of the utility model, the filter further includes a tap structure, the tap structure includes a mounting base and a tap, and the mounting base is disposed on the base; one end of the tap piece is fixed with the mounting seat through a fixing piece, and the other end of the tap piece is abutted with the connecting piece; the mounting seat is convexly provided with a limiting column, and the tap piece is provided with a limiting hole matched with the limiting column.
In an embodiment of the utility model, the fixing member is a screw, the mounting seat is provided with a fixing groove, the tapping sheet is provided with a fixing hole, and the screw sequentially extends into the fixing hole and the fixing groove.
In an embodiment of the utility model, the limit post is movably inserted into the limit hole.
In an embodiment of the present utility model, a top surface of the limiting post is located in the limiting hole.
In an embodiment of the utility model, the connector structure further includes a supporting seat, the supporting seat is formed with a limiting groove, and the connecting piece is clamped in the limiting groove.
In the technical scheme of the utility model, the positioning screw is used for precisely locking the cover plate and the base, after the cover plate is positioned precisely, the relative position of the screw on the cover plate and the resonant rod can be ensured, the frequency modulation can be carried out on the filter in an ideal state during debugging, and the characteristics and the efficiency can be ensured.
The cover plate with the screw rod is assembled on the base, one of the positioning screws is firstly stretched into the first positioning hole and the second positioning hole in sequence, the cover plate is positioned on the base, one half of the path is tightened by the positioning screw, then the other positioning screw is pre-tightened, and the two positioning screws are alternately tightened from two to three times to complete the positioning of the cover plate, so that the purposes of easy assembly and quick positioning are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a filter according to the present utility model;
FIG. 2 is a schematic diagram of another structure of a filter according to the present utility model;
FIG. 3 is a top view of a filter according to the present utility model;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2;
fig. 5 is a sectional view taken along line B-B in fig. 2.
Reference numerals illustrate:
| Reference numerals | Name of the name | Reference numerals | Name of the name |
| 100 | Filter device | 41 | Mounting base |
| 1 | Base seat | 411 | Spacing post |
| 11 | First positioning hole | 412 | Fixing groove |
| 111 | Light hole | 42 | Tap sheet |
| 112 | Threaded hole | 421 | Limiting hole |
| 2 | Cover plate | 422 | Fixing hole |
| 3 | Connector structure | 43 | Fixing piece |
| 31 | Connecting sheet | 5 | Positioning screw |
| 32 | Connector body | 51 | Head part |
| 33 | Supporting seat | 52 | Positioning part |
| 331 | Limiting groove | 53 | Screw part |
| 34 | Second positioning hole | 6 | Resonant rod |
| 4 | Tap sheet structure | 7 | Screw rod |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, descriptions such as those related to "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Referring to fig. 1 to 5, the present utility model provides a filter 100, and the filter 100 includes a base 1, a cover 2, two positioning screws 5, a resonant rod 6 and a screw rod 7.
For the convenience of assembly, the diameter of the set screw 5 is smaller than the mounting hole of the set screw 5 on the cover plate 2, when in assembly, the cover plate 2 can move in the gap between the hole and the set screw 5, the gap can cause the deviation of the position of the whole cover plate 2 relative to the base 1, the deviation of the cover plate 2 can cause the deviation of the relative positions of the screw 7 and the resonant rod 6, and finally the problems of frequency modulation, even power reduction, short circuit and the like can be influenced.
Specifically, the two ends of the base 1 are respectively provided with a first positioning hole 11, and each first positioning hole 11 comprises a unthreaded hole 111 and a threaded hole 112 which are communicated with each other; the cover plate 2 is covered on the base 1 and is provided with two second positioning holes 34 which are respectively corresponding to the first positioning holes 11; each positioning screw 5 comprises a head 51, a positioning part 52 and a threaded part 53 which are connected with each other, the positioning screw 5 sequentially stretches into the first positioning hole 11 and the second positioning hole 34 so that the head 51 presses the cover plate 2, the positioning part 52 is matched with the unthreaded hole 111, and the threaded part 53 is in threaded connection with the threaded hole 112; the resonance rod 6 is arranged on the base 1; the screw rod 7 penetrates through the cover plate 2, and the tail end of the screw rod extends into the base 1 and is arranged corresponding to the resonance rod 6.
The positioning screw 5 is used for precisely locking the cover plate 2 and the base 1, after the position of the cover plate 2 is precisely positioned, the relative position of the screw rod 7 on the cover plate 2 and the resonant rod 6 can be ensured, the filter 100 can be subjected to frequency modulation in an ideal state during debugging, and the characteristics and the efficiency can be ensured.
The cover plate 2 assembled with the screw rod 7 is assembled on the base 1, one of the positioning screws 5 is firstly stretched into the first positioning hole 11 and the second positioning hole 34 in sequence, so that the cover plate 2 is positioned on the base 1, one half of the path is tightened by the positioning screw 5, then the other positioning screw 5 is pre-tightened, and the two positioning screws 5 are alternately tightened for two to three times to complete the positioning of the cover plate 2, so that the purposes of easy assembly and quick positioning are achieved.
Further, the filter 100 further comprises a connector structure 3, the connector structure 3 comprising a connecting piece 31 and a connector body 32; the connecting piece 31 is disposed in the base 1, and the connector body 32 is detachably disposed on the cover 2 to be connected with the connecting piece 31.
Based on the above arrangement, the filter 100 further comprises a tap 42 structure 4, the tap 42 structure 4 comprises a mounting seat 41 and a tap 42, and the mounting seat 41 is arranged on the base 1; one end of the tap piece 42 is fixed with the mounting seat 41 through a fixing piece 43, and the other end of the tap piece is abutted with the connecting piece 31; a limiting column 411 is convexly arranged on the mounting seat 41, and a limiting hole 421 matched with the limiting column 411 is formed in the tap piece 42.
It can be understood that the tap piece 42 and the fixing piece 43 are preassembled on the base 1, so that the limiting hole 421 is aligned with the limiting post 411 and then fixed by the fixing piece 43, and in the fixing process, the tap piece 42 cannot have a rotation problem due to rotation and friction force because the limiting hole 421 is clamped on the limiting post 411, thereby preventing the bottom of the tap piece 42 and the base 1 from being damaged due to the coating generated by friction, and ensuring the accurate abutting connection between the tap piece 42 and the connecting piece 31.
Further, the fixing member 43 is a screw, the mounting seat 41 is provided with a fixing slot 412, the tapping sheet 42 is provided with a fixing hole 422, and the screw sequentially extends into the fixing hole 422 and the fixing slot 412.
It can be understood that the screw has simple structure, convenient installation and good reliability, and does not influence the assembly efficiency.
Referring to fig. 3 in combination, in an embodiment of the utility model, the limiting post 411 is movably embedded in the limiting hole 421. To prevent displacement of tap tab 42 relative to stop post 411.
Further, the top surface of the limiting post 411 is located in the limiting hole 421, thereby realizing limiting.
Referring to fig. 2 in combination, in an embodiment of the utility model, the connector structure 3 further includes a supporting seat 33, the supporting seat 33 is formed with a limiting groove 331, and the connecting piece 31 is clamped in the limiting groove 331.
In the embodiment of the present utility model, the limiting groove 331 is used for limiting the connecting piece 31 to ensure that the connecting piece 31 is connected with the tap piece 42.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (7)
1. A filter, the filter comprising:
The device comprises a base, wherein first positioning holes are respectively formed in two ends of the base, and each first positioning hole comprises a unthreaded hole and a threaded hole which are communicated with each other;
The cover plate is covered on the base and provided with two second positioning holes which are respectively corresponding to the first positioning holes;
Each positioning screw comprises a head part, a positioning part and a threaded part which are connected with each other, the positioning screws sequentially extend into the first positioning holes and the second positioning holes so that the head parts press the cover plate, the positioning parts are matched with the unthreaded holes, and the threaded parts are in threaded connection with the threaded holes;
The resonance rod is arranged on the base; and
The screw rod penetrates through the cover plate, and the tail end of the screw rod stretches into the base and is arranged corresponding to the resonant rod.
2. The filter of claim 1, further comprising a connector structure comprising a tab and a connector body; the connecting sheet is arranged in the base, and the connector main body is detachably arranged on the cover plate so as to be connected with the connecting sheet.
3. The filter of claim 2, further comprising a tap tile structure comprising a mount and a tap tile, the mount being provided to the base; one end of the tap piece is fixed with the mounting seat through a fixing piece, and the other end of the tap piece is abutted with the connecting piece; the mounting seat is convexly provided with a limiting column, and the tap piece is provided with a limiting hole matched with the limiting column.
4. A filter according to claim 3, wherein the fixing member is a screw, the mounting base is provided with a fixing groove, the tap piece is provided with a fixing hole, and the screw sequentially extends into the fixing hole and the fixing groove.
5. The filter of claim 4, wherein the spacing posts are movably embedded in the spacing holes.
6. The filter of claim 3 or 4, wherein the top surface of the limiting post is located within the limiting aperture.
7. The filter according to any one of claims 2 to 5, wherein the connector structure further comprises a supporting seat, the supporting seat is formed with a limiting groove, and the connecting piece is clamped in the limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322843393.XU CN221102371U (en) | 2023-10-23 | 2023-10-23 | Filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322843393.XU CN221102371U (en) | 2023-10-23 | 2023-10-23 | Filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221102371U true CN221102371U (en) | 2024-06-07 |
Family
ID=91315275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322843393.XU Active CN221102371U (en) | 2023-10-23 | 2023-10-23 | Filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221102371U (en) |
-
2023
- 2023-10-23 CN CN202322843393.XU patent/CN221102371U/en active Active
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| GR01 | Patent grant |