CN202121038U - Cavity filter and communication device - Google Patents
Cavity filter and communication device Download PDFInfo
- Publication number
- CN202121038U CN202121038U CN2011202063929U CN201120206392U CN202121038U CN 202121038 U CN202121038 U CN 202121038U CN 2011202063929 U CN2011202063929 U CN 2011202063929U CN 201120206392 U CN201120206392 U CN 201120206392U CN 202121038 U CN202121038 U CN 202121038U
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- China
- Prior art keywords
- antenna terminal
- cavity body
- body filter
- medium block
- connecting hole
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Abstract
The utility model discloses a cavity filter, comprising a cavity and an antenna joint arranged in a cavity hole. The antenna joint and the cavity are integrated, thus omitting the outer casing of the antenna joint, greatly saving the material cost and the cost for machining the antenna joint; and the installation of the structure is simple, needs no screws assembling, electric screwdriver assembling, waterproof adhesive filling, or dispensing, thus having little the processes, and greatly saving the manpower cost.
Description
Technical field
The utility model relates to the communications field, is specifically related to a kind of antenna terminal module of cavity body filter and the communication equipment that comprises this kind cavity body filter.
Background technology
Antenna terminal is installed on the cavity of communication equipment such as cavity body filter, tower amplifier usually, and antenna terminal is an important devices that connects communication equipments such as base station and cavity body filter.Through antenna terminal, the operating state that can control tower put the base station.Be AISG (Antenna Interface Standards Group) joint than the general antenna joint on the cavity body filter at present.
Existing antenna terminal structure is shown in Fig. 1 (a) and Fig. 1 (b): existing antenna terminal 100 comprises medium block 101, inner core 102 and shell 103; Inner core 102 and common electric wire 105 welding; The inner core 102 that will have cable after the welding is connected with medium block 101, again shell 103 and medium block 101 assemblings.In the prior art; Be assemblied in said antenna terminal on the filter cavity through shell; Shell 103 is provided with screwed hole 106; Filter cavity is provided with the hole that connects antenna terminal, puts into said hole to antenna terminal, and is fixed on antenna terminal 100 on the filter cavity external surface through the screwed hole on the said shell 106 with screw.
In the prior art, the material of shell is copper or aluminium, and through turning processing, through boring, operations such as deburring are made again.Because of there is waterproof requirement shell and said cavity junction, so when AISG joint and cavity assembling, O-ring seal 104 of installation on said shell and one side that cavity contacts.In order to reduce galvanic corrosion, when mounting screw, also need in screwed hole, irritate marine glue usually, and also want gluing on the screw.
In research and practice process to prior art, the inventor of the utility model finds:
1.AISG the shell processing cost is high, and production efficiency is not high.Very thick bar or hexagonal material, through turning, operations such as boring deburring are made.Not only material cost is high, and turning and boring wastes machine work man-hour, and operation is long, and production efficiency is not high.
2. install complicated.The AISG joint needs screw when mounted, electric screwdriver, and marine glue, O-ring seal, some mucilage binding allotment of labor preface is many.
The utility model content
In order to solve the problem that exists in the prior art; The utility model provides the internal fixation ways of connecting of the connecting hole hole on a kind of antenna terminal and the filter cavity, the high and various problem of operation of cost when having solved in the prior art shell through antenna terminal and being assemblied in chamber outer surface to antenna terminal.The technical scheme that the utility model provided is a kind of cavity body filter, comprises cavity, antenna terminal and the connecting hole of being located at cavity wall, and said antenna terminal is fixed in the said connecting hole.
Concrete, said antenna terminal comprises medium block, said antenna terminal is fixed together through medium block and said connecting hole.
Concrete, have connecting portion on the said medium block, the connecting portion of said medium block and said connecting hole interference fit.Concrete, be provided with the convexity of fixing said connecting portion in the said connecting hole.
Concrete, the internal diameter of said convexity dwindles vertically from the top down gradually.
Concrete, said convexity radially is that discontinuous is protruding.
The another kind of execution mode of the utility model is to have connecting portion on the said medium block, and said connecting portion is threaded with said hole.
The another kind of execution mode of the utility model is to have connecting portion on the said medium block, and said connecting portion is provided with groove, is provided with in the said connecting hole and the said groove convexity of clamping mutually.
Concrete, have ring flange on the said medium block, be provided with in the said connecting hole and the corresponding step of said ring flange, the lower surface of said ring flange and the junction of said step are provided with sealing ring, and the upper surface of said ring flange also is provided with sealing ring.
Concrete, said connecting hole inwall is provided with the screw thread that is connected with external lug near the place, aperture.
The another kind of execution mode of the utility model is that said antenna terminal also comprises medium block and is coated on the housing of said medium block sidewall, and said antenna terminal is fixed together through shell and said connecting hole.
The utility model also provides a kind of communication equipment, and it comprises above-mentioned described cavity body filter, and said communication equipment is duplexer, mixer, tower amplifier.
Cavity body filter that the utility model provides and communication equipment; The connecting hole of antenna terminal and filter cavity adopts hole internal fixation ways of connecting; Thereby saved the shell of antenna terminal required when assembling outside the antenna terminal hole, the processing cost of having practiced thrift material cost and antenna terminal greatly; The mounting means of this kind structure is simpler, need not operations such as rigging screw, electric screwdriver, filling marine glue, some glue, and operation is less, has practiced thrift human cost greatly.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 (a) is the structural representation of antenna terminal in the prior art;
Fig. 1 (b) is the right view of Fig. 1 (a);
Fig. 2 is the cut-away section sketch map of a kind of cavity body filter of the utility model embodiment one;
Fig. 3 is the structural representation of the antenna terminal medium block of the utility model embodiment one;
Fig. 4 is the structural representation of the antenna terminal installing hole of the utility model embodiment one.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one, a kind of cavity body filter comprise cavity, antenna terminal and the connecting hole of being located at cavity wall, and said antenna terminal is fixed in the said connecting hole.
The part-structure sketch map of the cavity body filter described in the present embodiment is as shown in Figure 2; Comprise cavity 201 and be located at the antenna terminal in the connecting hole 220; Said antenna terminal comprises medium block 210, and said antenna terminal is fixed together through medium block 210 and said connecting hole 220.The structural representation in said medium block and said hole is respectively like Fig. 3 and shown in Figure 4.
Have connecting portion on the said medium block 210, the connecting portion of said medium block 210 and said connecting hole 220 interference fit, the diameter of said connecting portion is greater than the internal diameter that is attached thereto the connecting hole that connects.
Be provided with the convexity 221 of fixing said connecting portion in the said connecting hole, direct like this antenna terminal compressed into said connecting hole, just can be fixed on antenna terminal in the said connecting hole, said convexity has played the axially movable effect of antenna terminal that prevents.In order to make antenna terminal be easier to compress into the hole, can be designed to diminishing from the top down vertically structure to protruding 221 internal diameter.Said convexity radially can be that discontinuous is protruding, and the discontinuous convexity can prevent that antenna terminal from moving radially.Protruding shape also can be set to other structure, does not constitute the restriction to the utility model.
The connected mode of said medium block and said connecting hole is not limited to the connected mode of above-mentioned interference fit, can also be the mode that is threaded, and embodiment is to have connecting portion on the said medium block, and said connecting portion is threaded with said hole.The outer wall of said medium block is provided with thread segment, and the outer wall in said hole and said medium block junction also are provided with thread segment, and both are threaded.
Remove these two kinds of connected modes that connected mode can also be the draw-in groove clamping, embodiment is to have connecting portion on the said medium block, and said connecting portion is provided with groove, is provided with in the said hole and the said groove convexity of clamping mutually.Said antenna terminal and said chamber hole are connected together.
Medium block and the technological means that some those skilled in the art that being connected of connecting hole can also be adopted other certainly habitually practise all are not construed as limiting the invention.Has ring flange 212 on the said medium block; Said connecting hole is provided with and said ring flange 212 corresponding steps 222, and in order to improve the sealing between medium block and the connecting hole, the lower surface of said ring flange 212 and the junction of said step are provided with sealing ring 213; Can groove be set at the lower surface of said ring flange 212; Place sealing ring in the said groove, also can groove be set, and said sealing ring is placed in the said groove on said step 222 surfaces.In order to increase the sealing that antenna terminal is connected with external lug, also sealing ring 214 can be set at the upper surface of said ring flange, equally the upper surface at said ring flange is provided with groove, after sealing ring is placed in one.
Said connecting hole inwall also is provided with the screw thread 223 that is connected with external lug near the place, aperture, makes antenna terminal more reliable with being connected of external lug like this.
Present embodiment also provides a kind of communication equipment, and it comprises above-mentioned described cavity body filter, and said communication equipment is duplexer, mixer, tower amplifier.
Cavity body filter that present embodiment provided and communication equipment; Adopted ways of connecting in medium block and the cavity connecting hole hole of antenna terminal; Save the shell of antenna terminal required when assembling outside the antenna terminal hole and the operation of rigging screw, practiced thrift cost greatly, reduced operation.
Embodiment two, a kind of cavity body filter comprise cavity, antenna terminal and the connecting hole of being located at cavity wall, and said antenna terminal is fixed in the said connecting hole.
Said antenna terminal also comprises medium block and is coated on the housing of said medium block sidewall that said antenna terminal is fixed together through housing and said connecting hole.Several kinds of connected modes of the medium block among the embodiment one and connecting hole: interference fit, be threaded, the mode of clamping is equally applicable to being connected of housing and connecting hole among this kind embodiment.
Has ring flange on the said housing; Said hole is provided with and the corresponding step of said ring flange, and in order to improve the sealing between housing and the connecting hole, the lower surface of said ring flange and the junction of said step are provided with sealing ring; Can groove be set at the lower surface of said ring flange; Place sealing ring in the said groove, also can groove be set, and said sealing ring is placed in the said groove at ledge surface.In order to increase the sealing that antenna terminal is connected with external lug, also can sealing ring be set at the upper surface of said ring flange, equally the upper surface at said ring flange is provided with groove, after sealing ring is placed in one.Said connecting hole inwall also is provided with the screw thread that is connected with external lug near the place, aperture, makes antenna terminal more reliable with being connected of external lug like this.
Present embodiment also provides a kind of communication equipment, and it comprises above-mentioned described cavity body filter, and said communication equipment is duplexer, mixer, tower amplifier.
Cavity body filter that present embodiment provided and communication equipment, the medium block that has adopted antenna terminal directly and the cavity ways of connecting have saved the shell of antenna terminal, have practiced thrift cost greatly, have reduced operation.
Present embodiment also provides a kind of communication equipment, and it comprises above-mentioned described cavity body filter, and said communication equipment is duplexer, mixer, tower amplifier.
Cavity body filter that present embodiment provided and communication equipment, the medium block that has adopted antenna terminal directly and the cavity ways of connecting have saved the shell of antenna terminal, have practiced thrift cost greatly, have reduced operation.More than cavity body filter and communication equipment that the utility model embodiment is provided carried out detailed introduction, wherein:
Cavity body filter that the utility model provides and communication equipment; The connecting hole of antenna terminal and filter cavity adopts hole internal fixation ways of connecting; Thereby saved the shell of antenna terminal required when assembling outside the antenna terminal hole, the processing cost of having practiced thrift material cost and antenna terminal greatly; The mounting means of this kind structure is simpler, need not operations such as rigging screw, electric screwdriver, filling marine glue, some glue, and operation is less, has practiced thrift human cost greatly.
Used concrete example among this paper the principle and the execution mode of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model; Simultaneously, for one of ordinary skill in the art, according to the thought of the utility model, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.
Claims (12)
1. a cavity body filter is characterized in that, comprises cavity, antenna terminal and the connecting hole of being located at cavity wall, and said antenna terminal is fixed in the said connecting hole.
2. cavity body filter according to claim 1 is characterized in that said antenna terminal comprises medium block, and said antenna terminal is fixed together through medium block and said connecting hole.
3. cavity body filter according to claim 2 is characterized in that, has connecting portion on the said medium block, the connecting portion of said medium block and said connecting hole interference fit.
4. cavity body filter according to claim 3 is characterized in that, is provided with the convexity of fixing said connecting portion in the said connecting hole.
5. cavity body filter according to claim 4 is characterized in that the internal diameter of said convexity dwindles vertically from the top down gradually.
6. cavity body filter according to claim 4 is characterized in that, said convexity radially is that discontinuous is protruding.
7. cavity body filter according to claim 2 is characterized in that, has connecting portion on the said medium block, and said connecting portion is threaded with said hole.
8. cavity body filter according to claim 2 is characterized in that, has connecting portion on the said medium block, and said connecting portion is provided with groove, is provided with in the said connecting hole and the said groove convexity of clamping mutually.
9. according to any described cavity body filter of claim 2-8; It is characterized in that; Has ring flange on the said medium block; Be provided with in the said connecting hole and the corresponding step of said ring flange, the lower surface of said ring flange and the junction of said step are provided with sealing ring, and the upper surface of said ring flange also is provided with sealing ring.
10. according to any described cavity body filter of claim 2-8, it is characterized in that said connecting hole inwall is provided with the screw thread that is connected with external lug near the place, aperture.
11. cavity body filter according to claim 1 is characterized in that, said antenna terminal also comprises medium block and is coated on the housing of said medium block sidewall that said antenna terminal is fixed together through housing and said connecting hole.
12. a communication equipment is characterized in that, it comprises any described cavity body filter of claim 1-11, and said communication equipment is duplexer, mixer, tower amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202063929U CN202121038U (en) | 2011-06-17 | 2011-06-17 | Cavity filter and communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202063929U CN202121038U (en) | 2011-06-17 | 2011-06-17 | Cavity filter and communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202121038U true CN202121038U (en) | 2012-01-18 |
Family
ID=45462077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202063929U Expired - Fee Related CN202121038U (en) | 2011-06-17 | 2011-06-17 | Cavity filter and communication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202121038U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013131488A1 (en) * | 2012-03-09 | 2013-09-12 | 深圳市大富科技股份有限公司 | Cavity filter, connector and corresponding manufacturing process |
| WO2016106672A1 (en) * | 2014-12-31 | 2016-07-07 | 深圳市大富科技股份有限公司 | Remote radio device, duplexer, filter and tap fixing member |
-
2011
- 2011-06-17 CN CN2011202063929U patent/CN202121038U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013131488A1 (en) * | 2012-03-09 | 2013-09-12 | 深圳市大富科技股份有限公司 | Cavity filter, connector and corresponding manufacturing process |
| US9543629B2 (en) | 2012-03-09 | 2017-01-10 | Shenzhen Tatfook Technology Co., Ltd. | Cavity filter, connector and manufacturing processes thereof |
| WO2016106672A1 (en) * | 2014-12-31 | 2016-07-07 | 深圳市大富科技股份有限公司 | Remote radio device, duplexer, filter and tap fixing member |
| CN107004931A (en) * | 2014-12-31 | 2017-08-01 | 深圳市大富科技股份有限公司 | Radio frequency remote equipment, duplexer, wave filter and tap fixture |
| CN107004931B (en) * | 2014-12-31 | 2019-06-11 | 深圳市大富科技股份有限公司 | Radio frequency remote equipment, duplexer, filter and tap fixing piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 518104, Guangdong, Shenzhen province Baoan District manhole Street oyster road manhole Industrial Company Third Industrial Zone A1, A2, A3 101 and 2 layers, A4 Patentee after: Shenzhen Tat Fook Technology Co., Ltd. Address before: 518108 Bao'an District, Shenzhen City, Guangdong Province, Shiyan Town, love group with the rich industrial area A \ B Dong Patentee before: Shenzhen Tat Fook Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20160617 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |