CN204011612U - A kind of cavity body filter, duplexer and mixer cover plate - Google Patents
A kind of cavity body filter, duplexer and mixer cover plate Download PDFInfo
- Publication number
- CN204011612U CN204011612U CN201420178572.4U CN201420178572U CN204011612U CN 204011612 U CN204011612 U CN 204011612U CN 201420178572 U CN201420178572 U CN 201420178572U CN 204011612 U CN204011612 U CN 204011612U
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- China
- Prior art keywords
- cover plate
- flange
- duplexer
- cavity body
- body filter
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- Expired - Fee Related
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Abstract
The utility model belongs to microwave telecommunication devices technical field, is specifically related to a kind of cavity body filter, duplexer and mixer cover plate.It comprises cover plate, described cover plate is provided with the screwed hole for being connected with debugging screw rod, described cover plate one side is provided with the flange coaxial with screwed hole, in flange, be provided with screw thread, described cover plate and flange are structure as a whole, described flange is the descending grading structure of external diameter, and the angle between described flange outer surface and lid surface is 85-89 °, the equal rounding off in junction of described flange outer surface and lid surface, flange bottom surface.The cover plate of cover plate for the utility model cavity body filter, duplexer and mixer, its thickness is thinner, has reduced product weight, has saved material, and cost is lower; On the cover board be provided with flange, increased the bonding strength of debugging screw rod and cover plate, improved properties of product.
Description
Technical field
The utility model belongs to microwave telecommunication devices technical field, be specifically related to a kind of cavity body filter,
Duplexer and mixer cover plate.
Background technology
Conventionally filter, duplexer and mixer are made up of cavity, resonant rod, debugging screw rod and cover plate etc., and cover plate is arranged at cavity top, by screw or other method and its sealing.Existing cover plate is effectively threaded with debugging screw rod in order to ensure, conventionally adopts the cover plate that 2-3mm is thick to be made.Along with mechanics of communication development, to radio-frequency devices duplexer, filter and mixer miniaturization require more and more higher, and the cover plate design of existing filter can not meet that the small product size of being brought by miniaturization reduces, requirement at the bottom of lightweight, cost.
Summary of the invention
The purpose of this utility model is exactly the deficiency existing in order to solve above-mentioned background technology, and a kind of simple in structure, cavity body filter, duplexer and mixer cover plate that cost is low are provided.
The technical solution adopted in the utility model is: a kind of cavity body filter, duplexer and mixer cover plate, comprise cover plate, described cover plate is provided with the screwed hole for being connected with debugging screw rod, described cover plate one side is provided with the flange coaxial with screwed hole, in flange, be provided with screw thread, described cover plate and flange are structure as a whole, described flange is the descending grading structure of external diameter, angle between described flange outer surface and lid surface is 85-89 °, the equal rounding off in junction of described flange outer surface and lid surface, flange bottom surface.
Further, described cover sheet thickness is 1-1.7mm, and flange thickness is 1-1.5mm.
The cover plate that the utility model cavity body filter, duplexer and mixer are used, compared with prior art, its thickness is thinner, has reduced product weight, has saved material, and cost is lower; On the cover board be provided with flange, increased the bonding strength of debugging screw rod and cover plate, improved properties of product, and flange adopts the stronger die drawn flanging process of property to be made, implementation method is simple, and cost is low, is easy to produce in batches.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is profile of the present utility model.
Fig. 3 is I place enlarged drawing in Fig. 3.
Fig. 4 is that the utility model is applied to the schematic diagram on cavity body filter.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, is convenient to be well understood to the utility model, but they do not form and limit the utility model.
As Figure 1-3, the utility model comprises cover plate 1, cover plate 1 is provided with the screwed hole 2 for being connected with debugging screw rod, described cover plate 1 material adopts aluminium sheet or steel plate, the thickness T of cover plate 1 is 1-1.7mm, cover sheet thickness is thinned to 1-1.7mm by existing 2-3mm, can effectively reduces product weight, save material.One side of cover plate 1 is provided with the flange 3 coaxial with screwed hole 2, the thickness h of flange 3 is 1-1.5mm, and described cover plate 1 is structure as a whole with flange 3, in flange 3, is provided with screw thread, connecting thread length with having increased debugging screw rod together with screw thread on cover plate 1, makes its connection more reliable.Described flange 3 adopts and is made by the stronger die drawn technique of property, method realizes simple, cost is low, therefore flange 3 is the descending grading structure of external diameter, be that flange 3 external diameters are provided with certain taper, angle α between flange outer surface and lid surface is 85-89 °, the equal rounding off of junction R of described flange outer surface and lid surface, flange bottom surface.
As shown in Figure 4, for the utility model is applied to the schematic diagram on cavity body filter, cover plate 1 one sides that are provided with flange 3 in the present embodiment are covered on cavity 4, debugging screw rod 5 one end enter cavity 4 inside through described cover plate 1, debugging screw rod 5 is connected with the screw thread in screwed hole 2 and flange 3 on cover plate 1 simultaneously, connecting thread length is long, connects reliable.In like manner, the utility model also can be applied in duplexer, mixer to reduce product weight, saves material, reduces costs.
The content not being described in detail in this specification belongs to the known prior art of professional and technical personnel in the field.
Claims (2)
1. a cavity body filter, duplexer and mixer cover plate, comprise cover plate (1), described cover plate (1) is provided with the screwed hole (2) for being connected with debugging screw rod, it is characterized in that: described cover plate (1) one side is provided with the flange coaxial with screwed hole (3), in flange, be provided with screw thread, described cover plate and flange are structure as a whole, described flange (3) is the descending grading structure of external diameter, angle (α) between described flange outer surface and lid surface is 85-89 °, described flange outer surface and lid surface, the junction (R) of flange bottom surface is rounding off all.
2. a kind of cavity body filter according to claim 1, duplexer and mixer cover plate, is characterized in that: described cover sheet thickness (T) is 1-1.7mm, and flange thickness (h) is 1-1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178572.4U CN204011612U (en) | 2014-04-14 | 2014-04-14 | A kind of cavity body filter, duplexer and mixer cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420178572.4U CN204011612U (en) | 2014-04-14 | 2014-04-14 | A kind of cavity body filter, duplexer and mixer cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204011612U true CN204011612U (en) | 2014-12-10 |
Family
ID=52051565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420178572.4U Expired - Fee Related CN204011612U (en) | 2014-04-14 | 2014-04-14 | A kind of cavity body filter, duplexer and mixer cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204011612U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108817863A (en) * | 2018-07-11 | 2018-11-16 | 苏州市协诚五金制品有限公司 | A kind of production method suitable for filter tuner cover board |
-
2014
- 2014-04-14 CN CN201420178572.4U patent/CN204011612U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108817863A (en) * | 2018-07-11 | 2018-11-16 | 苏州市协诚五金制品有限公司 | A kind of production method suitable for filter tuner cover board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170410 Address after: 430200 Xianning province Hubei City Haman pagoda town (formerly pagoda town government) Patentee after: Xianning golden Electronics Co., Ltd. Address before: 430205 Hubei Province, Wuhan city Jiangxia District Guan Feng Lu canglongdao fingu Industrial Park, building 4, floor 2 Patentee before: Wuhan Fingu Electronic Technology Co., Ltd. |
|
| 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: 20141210 Termination date: 20180414 |