CN204334509U - Roofing filter - Google Patents
Roofing filter Download PDFInfo
- Publication number
- CN204334509U CN204334509U CN201420803727.9U CN201420803727U CN204334509U CN 204334509 U CN204334509 U CN 204334509U CN 201420803727 U CN201420803727 U CN 201420803727U CN 204334509 U CN204334509 U CN 204334509U
- Authority
- CN
- China
- Prior art keywords
- filter
- main body
- roofing
- filter main
- joint
- 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
Links
Landscapes
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The utility model relates to radio transmission apparatus technical field, especially a kind of roofing filter.Existing filter PIN joint quantity can not satisfy the demands, and PIN joint is fixedly installed on filter main body unsightly outward, also easily enters dust when not using.This roofing filter comprises filter main body, and filter main body surrounding several PIN joints uniform, every limit has two, and PIN joint is fixed in the groove of filter main body surrounding by rotating shaft.Roofing filter structure after improvement is simple, and easy to operate, joint quantity is many and rotatable, good dustproof effect, screws out the joint of respective numbers according to demand, effectively improves filtering performance.
Description
Technical field
The utility model relates to radio transmission apparatus technical field, especially a kind of roofing filter.
Background technology
The filter circuit that power-supply filter is made up of electric capacity, inductance and resistance, a kind of passive bidirectional network, its one end is power supply, the other end is load, it is the device that ripple is filtered, it can carry out effective filtering to the frequency beyond the frequency of characteristic frequency in power line or this frequency, obtains the power supply signal of a characteristic frequency, or eliminates the power supply signal after a characteristic frequency.Existing filter PIN joint quantity can not satisfy the demands, and PIN joint is fixedly installed on filter main body unsightly outward, also easily enters dust when not using.
Utility model content
In order to overcome existing above-mentioned deficiency, the utility model provides a kind of roofing filter.
The utility model solves the technical scheme that its technical problem adopts: a kind of roofing filter, comprise filter main body, filter main body surrounding several PIN joints uniform, every limit has two, and PIN joint is fixed in the groove of filter main body surrounding by rotating shaft.
The beneficial effects of the utility model are, structure is simple, and easy to operate, joint quantity is many and rotatable, good dustproof effect, screws out the joint of respective numbers according to demand, effectively improves filtering performance.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is front view of the present utility model.
Fig. 2 is end view of the present utility model.
1. filter main body in figure, 2.PIN joint, 3. rotating shaft.
Embodiment
As shown in Figure 1, 2, a kind of roofing filter, comprises filter main body 1, and filter main body 1 surrounding several PIN joints 2 uniform, every limit has two, and PIN joint 2 is fixed in the groove of filter main body 1 surrounding by rotating shaft 3.
PIN joint 2 is hidden in groove, can be dust-proof, and multiple filter is convenient again together to be stacked, and outside filter main body 1, every limit has two, enough meets user demand.
Roofing filter structure after improvement is simple, and easy to operate, joint quantity is many and rotatable, good dustproof effect, screws out the joint of respective numbers according to demand, effectively improves filtering performance.
Claims (1)
1. a roofing filter, comprise filter main body (1), it is characterized in that, described filter main body (1) surrounding several PIN joints (2) uniform, every limit has two, and PIN joint (2) is fixed in the groove of filter main body (1) surrounding by rotating shaft (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420803727.9U CN204334509U (en) | 2014-12-18 | 2014-12-18 | Roofing filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420803727.9U CN204334509U (en) | 2014-12-18 | 2014-12-18 | Roofing filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204334509U true CN204334509U (en) | 2015-05-13 |
Family
ID=53170816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420803727.9U Expired - Fee Related CN204334509U (en) | 2014-12-18 | 2014-12-18 | Roofing filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204334509U (en) |
-
2014
- 2014-12-18 CN CN201420803727.9U patent/CN204334509U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20191218 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |