CN203134949U - Coupling device and cavity filter - Google Patents
Coupling device and cavity filter Download PDFInfo
- Publication number
- CN203134949U CN203134949U CN 201320080743 CN201320080743U CN203134949U CN 203134949 U CN203134949 U CN 203134949U CN 201320080743 CN201320080743 CN 201320080743 CN 201320080743 U CN201320080743 U CN 201320080743U CN 203134949 U CN203134949 U CN 203134949U
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- CN
- China
- Prior art keywords
- circuit board
- coupling
- signal transmission
- guide groove
- coupling device
- 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
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Abstract
The utility model discloses a coupling device. The coupling device includes a signal transmission rod, a circuit board coupled with the signal transmission rod and a coupling sheet arranged on the circuit board and used for adjusting the coupling degree and the isolation degree between the signal transmission rod and the circuit board through rotating on the circuit board and moving in a direction that is perpendicular to the circuit board. Compared with the prior art, according to the utility model, a guide groove used for fixing the coupling sheet is designed in the circuit board, the isolation degree and the coupling degree between the circuit board and the signal transmission rod are adjusted through rotating or moving the coupling sheet directly, so that the same technical effect can be realized without adopting a complicated adjusting mechanism in the prior art. The coupling device is simple in structure and economized in material cost. At the same time, the adjusting method is comparatively simple and the production efficiency is improved.
Description
Technical field
The utility model relates to communication technical field, specifically relates to a kind of coupling device and cavity body filter.
Background technology
When using coupling technique, often to regulate the coupling index (comprising coupling amount and isolation etc.) of coupling unit, to adapt to different needs.A kind of coupling governor motion is provided in the prior art, as shown in Figure 1, this coupling governor motion comprises signal transmission pole 8, circuit board 4 with the coupling of signal transmission pole, be arranged on the shell 2 on the circuit board 4, in the described shell 2 spring 6 is set, adjusting rod 3 and adjusting nut 1, one end of described adjusting rod 3 connects coupling bar 5, coupling bar 5 links to each other with circuit board 4 by lead 7, described adjusting rod 2 is connected with described spring 6 elasticity, make adjusting rod drive coupling bar 5 along the direction reciprocating motion perpendicular to circuit board by regulating described adjusting nut, be coupled with the signal between conditioning signal transmission pole and the circuit board.
In research and practice process to prior art, inventor of the present utility model finds, coupling governor motion structure more complicated of the prior art is regulated inconvenience, and space hold is big, and material cost is higher.
The utility model content
In order to solve governor motion complexity in the prior art, the big defective that takes up room, the utility model provides a kind of coupling device and cavity body filter.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of coupling device comprises: signal transmission pole, with the circuit board of described signal transmission pole coupling and be located on the circuit board and by in the circuit board rotation with move to regulate the coupling piece of coupling amount and isolation between described signal transmission pole and the circuit board along the direction of perpendicular circuit board.
Described circuit board is provided with two arc guide barrels that are used for the coupling piece rotation that are oppositely arranged, and the two ends of described coupling piece are arranged in the described guide groove.
Described circuit board is provided with the circular guide groove that rotates for coupling piece, and the two ends of described coupling piece are arranged in the described guide groove.
Described coupling piece comprises two elastic portion and the connecting portion that is connected two elastic portion, and described connecting portion is between described circuit board and described signal transmission pole, and described elastic portion protrudes from described guide groove.
Described elastic portion is arc spring lamination, and the bending end of described arc spring lamination protrudes from described arc guide barrel.
Described elastic portion and connecting portion are integrally formed.
Described circuit board is provided with a guide groove that moves for coupling piece, and the elastic portion of described coupling piece is arranged in the described guide groove.
The direction edge of offering of described guide groove axially arranges perpendicular to the signal transmission pole.
Described elastic portion is arc spring lamination, and the bending end of described arc spring lamination protrudes from described guide groove.
The utility model embodiment also provides a kind of cavity body filter, comprise: filter cavity and above-mentioned coupling device, described signal transmission pole is arranged in the filter cavity, and described circuit board is arranged on the cavity, is provided with between described cavity and the circuit board to have the through hole that holds coupling piece.
The utility model embodiment compared with prior art, design guide groove with the fixed coupling sheet at circuit board, directly by isolation and coupling amount between rotation or mobile coupling piece regulating circuit plate and the signal transmission pole, can not adopt complicated adjusting mechanism in the prior art, can reach identical technique effect, simple in structure, saved material cost, regulative mode is also fairly simple simultaneously, has improved production efficiency.
Description of drawings
Fig. 1 is coupling governor motion generalized section in the prior art;
Fig. 2 is the utility model embodiment coupling device structural profile schematic diagram;
Fig. 3 is board structure of circuit vertical view in the utility model embodiment coupling device structure;
Fig. 4 is coupling piece structural front view in the utility model embodiment coupling device structure;
Fig. 5 is coupling piece structural perspective in the utility model embodiment coupling device structure;
Fig. 6 is the another kind of execution mode structural front view of coupling piece in the utility model embodiment coupling device structure.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.What particularly point out is; following examples only are used for explanation the utility model; but scope of the present utility model is not limited, those of ordinary skills are not making all other embodiment that obtain under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 2 to Fig. 6, a kind of coupling device comprises: signal transmission pole 11, and the circuit board 21 of described signal transmission pole 11 coupling and be located on the circuit board 21 and by rotate and move to regulate along the direction of perpendicular circuit board 21 coupling piece 31 of coupling amount and isolation between described signal transmission pole 11 and the circuit board 21 at circuit board 21.
Described circuit board 21 is provided with two and is oppositely arranged the arc guide barrel 41 that rotates for coupling piece, and the two ends of described coupling piece 31 are arranged in the described guide groove 41.
Described coupling piece can move along the guide groove direction coupling piece is rotated between signal transmission pole and circuit board, is used for the isolation between conditioning signal transmission pole and the circuit board.
Another kind of execution mode, described circuit board is provided with the circular guide groove that rotates for coupling piece, and the two ends of described coupling piece are arranged in the described guide groove, and described coupling piece can rotate arbitrarily angled along round guide groove.
Described coupling piece 31 comprises two elastic portion and the connecting portion that is connected two elastic portion, and described connecting portion is between described circuit board and described signal transmission pole, and described elastic portion protrudes from described arc guide barrel.
Described elastic portion and connecting portion are integrally formed, and described elastic portion and connecting portion are formed by the sheet metal integrated punching.
Described elastic portion is arc spring lamination, the bending end of described arc spring lamination protrudes from described arc guide barrel, elasticity by arc spring lamination, described coupling piece can be fixed in the described guide groove, since the elasticity of arc spring lamination can make coupling piece in guide groove along the coupling amount that moves to regulate perpendicular to the circuit board direction between conditioning signal transmission pole and the circuit board, do not need to use other devices to cooperate.
Another kind of execution mode, described circuit board is provided with a guide groove that moves for coupling piece, and the elastic portion of described coupling piece is arranged in the described guide groove.
The direction edge of offering of described guide groove axially arranges perpendicular to the signal transmission pole.
Described elastic portion is arc spring lamination, and the bending end of described arc spring lamination protrudes from described arc guide barrel.By the elasticity of arc spring lamination, described coupling piece can be fixed in the described guide groove.
The regulative mode of the utility model embodiment is as follows: at first offer direction rotation or mobile coupling piece along guide groove, with the isolation between conditioning signal transmission pole and the circuit board, isolation is adjusted to the predefined parameter value, regulate coupling piece along the perpendicular circuit board direction again, with the coupling amount between conditioning signal transmission pole and the circuit board, stop mobile coupling piece when being adjusted to the predefined parameter value, owing to have elastic force between the arc spring lamination on the coupling piece and the circuit board, coupling piece is fixed between the circuit board.
The coupling device that the utility model embodiment provides compared with prior art, design guide groove with the fixed coupling sheet at circuit board, directly by isolation and coupling amount between rotation or mobile coupling piece regulating circuit plate and the signal transmission pole, can not adopt complicated adjusting mechanism in the prior art, can reach identical technique effect, simple in structure, saved material cost, regulative mode is also fairly simple simultaneously, has improved production efficiency.
Embodiment two, the utility model provides a kind of cavity body filter, comprising: filter cavity and coupling device, and described signal transmission pole is arranged in the filter cavity, described circuit board is arranged on the cavity, is provided with between described cavity and the circuit board to have the through hole that holds coupling piece.
Described coupling device signal transmission pole, and the circuit board of described signal transmission pole coupling and be located on the circuit board and by rotate or move to regulate along the direction of perpendicular circuit board the coupling piece of coupling amount between described signal transmission pole and the circuit board or isolation at circuit board.
Described circuit board is provided with two and is oppositely arranged the arc guide barrel that rotates for coupling piece, and the two ends of described coupling piece are arranged in the described guide groove.
Described coupling piece can move along the guide groove direction coupling piece is rotated between signal transmission pole and circuit board, is used for the isolation between conditioning signal transmission pole and the circuit board.
The cavity body filter that the utility model embodiment provides compared with prior art, design guide groove with the fixed coupling sheet at circuit board, directly by isolation and coupling amount between rotation or mobile coupling piece regulating circuit plate and the signal transmission pole, can not adopt complicated adjusting mechanism in the prior art, can reach identical technique effect, simple in structure, saved material cost, regulative mode is also fairly simple simultaneously, has improved production efficiency.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (10)
1. coupling device, it is characterized in that, comprising: signal transmission pole, and the circuit board of described signal transmission pole coupling and be located on the circuit board and by rotate and move to regulate along the direction of perpendicular circuit board the coupling piece of coupling amount and isolation between described signal transmission pole and the circuit board at circuit board.
2. coupling device according to claim 1 is characterized in that, described circuit board is provided with two arc guide barrels that are used for the coupling piece rotation that are oppositely arranged, and the two ends of described coupling piece are arranged in the described guide groove.
3. coupling device according to claim 1 is characterized in that, described circuit board is provided with the circular guide groove that rotates for coupling piece, and the two ends of described coupling piece are arranged in the described guide groove.
4. according to claim 2 or 3 described coupling devices, it is characterized in that, described coupling piece comprises two elastic portion and the connecting portion that is connected two elastic portion, and described connecting portion is between described circuit board and described signal transmission pole, and described elastic portion protrudes from described guide groove.
5. coupling device according to claim 4 is characterized in that, described elastic portion is arc spring lamination, and the bending end of described arc spring lamination protrudes from described arc guide barrel.
6. coupling device according to claim 4 is characterized in that, described elastic portion and connecting portion are integrally formed.
7. coupling device according to claim 1 is characterized in that, described circuit board is provided with a guide groove that moves for coupling piece, and the elastic portion of described coupling piece is arranged in the described guide groove.
8. coupling device according to claim 7 is characterized in that, the direction edge of offering of described guide groove axially arranges perpendicular to the signal transmission pole.
9. coupling device according to claim 8 is characterized in that, described elastic portion is arc spring lamination, and the bending end of described arc spring lamination protrudes from described guide groove.
10. cavity body filter, it is characterized in that, comprise: filter cavity and according to power 1 to 9 any described coupling device, described signal transmission pole is arranged in the filter cavity, described circuit board is arranged on the cavity, is provided with between described cavity and the circuit board to have the through hole that holds coupling piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320080743 CN203134949U (en) | 2012-11-16 | 2013-02-21 | Coupling device and cavity filter |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220608781.9 | 2012-11-16 | ||
| CN201220608781 | 2012-11-16 | ||
| CN 201320080743 CN203134949U (en) | 2012-11-16 | 2013-02-21 | Coupling device and cavity filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203134949U true CN203134949U (en) | 2013-08-14 |
Family
ID=48942892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320080743 Expired - Fee Related CN203134949U (en) | 2012-11-16 | 2013-02-21 | Coupling device and cavity filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203134949U (en) |
-
2013
- 2013-02-21 CN CN 201320080743 patent/CN203134949U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20180221 |