CN213071307U - Communication filter coupling structure - Google Patents
Communication filter coupling structure Download PDFInfo
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- CN213071307U CN213071307U CN202022371746.7U CN202022371746U CN213071307U CN 213071307 U CN213071307 U CN 213071307U CN 202022371746 U CN202022371746 U CN 202022371746U CN 213071307 U CN213071307 U CN 213071307U
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Abstract
The utility model discloses a communication filter coupled structure, include: a filter; the bottom of the inner cavity of the filter is provided with two lifting blocks; the top end of the lifting block is provided with a top block; the top end of the top block is provided with a step; the top ends of the two steps are provided with coupling pieces; the top ends of the two coupling pieces are provided with resonance columns; and the two resonance columns are fixed at the top ends of the coupling sheet and the step through screws. The communication filter coupling structure is convenient for adjusting the height of the step by rotating the first rotating button; the rotating wheel is driven by the second rotating button to control the distance between the coupling pieces on the two sides, so that the coupling coefficient between the filter resonators can be changed conveniently, the adjustment is convenient, the coupling pieces with different sizes do not need to be used for changing, and the practicability is high.
Description
Technical Field
The utility model relates to a wave filter technical field specifically is a communication filter coupling structure.
Background
The filter is a filter circuit consisting of a capacitor, an inductor and a resistor, and can effectively filter a frequency point of a specific frequency in a power line or frequencies except the frequency point to obtain a power signal of the specific frequency or eliminate the power signal of the specific frequency;
in the application No. 201220486798.1, the coupling coefficient between the filter resonators is increased by changing the length and width of the coupling piece or changing the height of the step, although the structure is simple, when the coupling coefficient needs to be changed, the coupling piece with different size still needs to be changed, or the step with different height needs to be changed, the operation is troublesome, time and labor are wasted, and the practicability is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a communication filter coupling structure to solve the inconvenient problem of adjusting the coupling coefficient of communication filter coupling structure of prior art at least.
In order to achieve the above object, the utility model provides a following technical scheme: a communication filter coupling structure comprising:
a filter;
the bottom of the inner cavity of the filter is provided with two lifting blocks;
the top end of the lifting block is provided with a top block;
the top end of the top block is provided with a step;
the top ends of the two steps are provided with coupling pieces;
the top ends of the two coupling pieces are provided with resonance columns;
and the two resonance columns are fixed at the top ends of the coupling sheet and the step through screws.
Preferably, the ejector block is provided with a sliding groove along the left and right directions, and the step is arranged in the sliding groove in a sliding manner.
Preferably, a connecting block is arranged between the two coupling pieces, and a groove is formed in the front end of the filter along the vertical direction.
Preferably, a first rotating button is arranged in the middle of one end of the filter, one end of a rotating shaft is arranged at the inner end of the first rotating button, the other end of the rotating shaft extends into an inner cavity of the filter, two first bevel gears are in interference fit with the surface of the rotating shaft, a second bevel gear is meshed with the top end of the first bevel gear, a screw rod is in interference fit with a center hole of the second bevel gear, and the surface of the screw rod is in threaded connection with one side of the bottom end of the lifting block.
Preferably, the front end of the connecting block is provided with one end of a connecting rod, and the other end of the connecting rod is slidably arranged at the inner end of the groove.
Preferably, two the top inside side of coupling piece is provided with the lug, the lug slides and sets up the inner chamber top at the connecting block, the inner chamber top of connecting block is provided with the transmission board, two the inner of lug all is provided with the one end of spring, the other end setting of spring is on the inner chamber wall of connecting block.
Preferably, the front end of connecting rod is provided with turn button two, the inner of turn button two is provided with the one end of bull stick, the other end of bull stick passes through the inner chamber middle part that the connecting rod extends into the connecting block to interference fit has the runner, the both ends surface of runner is stained with the one end of connecting band one and connecting band two respectively, the other end of connecting band one and connecting band two sets up respectively in the inner of both ends coupling piece.
Compared with the prior art, the beneficial effects of the utility model are that: the communication filter coupling structure is convenient for adjusting the height of the step by rotating the first rotating button; the rotating wheel is driven by the second rotating button to control the distance between the coupling pieces on the two sides, so that the coupling coefficient between the filter resonators can be changed conveniently, the adjustment is convenient, the coupling pieces with different sizes do not need to be used for changing, and the practicability is high.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a cross-sectional view of the filter of FIG. 1;
fig. 3 is a sectional view of the connection block of fig. 1.
In the figure: 1. the filter comprises a filter body, 2, a lifting block, 3, a top block, 4, a sliding groove, 5, a step, 6, a coupling piece, 7, a connecting block, 8, a resonant column, 9, a screw, 10, a first rotating button, 11, a rotating shaft, 12, a first bevel gear, 13, a second bevel gear, 14, a screw, 15, a groove, 16, a connecting rod, 17, a second rotating button, 18, a bump, 19, a transmission plate, 20, a spring, 21, a rotating rod, 22, a rotating wheel, 23, a first connecting belt, 24 and a second connecting belt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a communication filter coupling structure comprising: the filter comprises a filter 1, lifting blocks 2, a top block 3, a step 5, a coupling sheet 6, a resonance column 8 and a screw 9, wherein the two lifting blocks 2 are arranged at the bottom of an inner cavity of the filter 1; the top end of the lifting block 2 is provided with a top block 3; the top end of the top block 3 is provided with a step 5; the top ends of the two steps 5 are provided with coupling pieces 6; the top ends of the two coupling pieces 6 are provided with resonance columns 8; two resonance posts 8 are fixed on the top ends of the coupling sheet 6 and the step 5 through screws 9, and the step 5 is driven to ascend and descend through the lifting block 2.
Preferably, the top block 3 has a slide groove 4 formed in the left-right direction, and the step 5 is slidably provided in the slide groove 4, so that the step 5 can be moved in the left-right direction.
Preferably, a connecting block 7 is disposed between the two coupling pieces 6, a slot 15 is disposed at the front end of the filter 1 along the vertical direction, and the connecting block 7 is located in the middle of the inner cavity of the filter 1 through the slot 15.
Preferably, a first rotating button 10 is arranged in the middle of one end of the filter 1, one end of a rotating shaft 11 is arranged at the inner end of the first rotating button 10, the other end of the rotating shaft 11 extends into an inner cavity of the filter 1, two first bevel gears 12 are in interference fit with the surface of the rotating shaft 11, a second bevel gear 13 is meshed at the top end of the first bevel gear 12, a screw 14 is in interference fit with a central hole of the second bevel gear 13, the surface of the screw 14 is in threaded connection with one side of the bottom end of the lifting block 2, and the lifting block 2 is driven to lift through the first rotating button 10.
Preferably, one end of a connecting rod 16 is disposed at the front end of the connecting block 7, and the other end of the connecting rod 16 is slidably disposed at the inner end of the slot 15, so that the connecting rod 16 moves up and down in the slot 15.
Preferably, the inner sides of the top ends of the two coupling pieces 6 are provided with a projection 18, the projection 18 is slidably disposed on the top of an inner cavity of the connecting block 7, the top of the inner cavity of the connecting block 7 is provided with a transmission plate 19, the inner ends of the two projections 18 are both provided with one end of a spring 20, the other end of the spring 20 is disposed on the wall of the inner cavity of the connecting block 7, and the coupling pieces 6 are driven to return when the rotating wheel 22 loosens the connecting band through the spring 20.
Preferably, a second rotating button 17 is arranged at the front end of the connecting rod 16, one end of a rotating rod 21 is arranged at the inner end of the second rotating button 17, the other end of the rotating rod 21 extends into the middle of the inner cavity of the connecting block 7 through the connecting rod 16 and is in interference fit with a rotating wheel 22, one end of a first connecting belt 23 and one end of a second connecting belt 24 are respectively adhered to the two end surfaces of the rotating wheel 22, the other ends of the first connecting belt 23 and the second connecting belt 24 are respectively arranged at the inner ends of the coupling pieces 6 at the two ends, and the rotating wheel 22 is driven to rotate through the second rotating button.
The filter of the scheme is the prior art, and can meet the requirements of the scheme.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.
By rotating the first rotating button 10, the rotating shaft 11 drives the first bevel gears 12 to rotate, the first bevel gears 12 drive the second bevel gears 13 to rotate, the two screw rods 14 rotate, the lifting block 2 is driven to lift, and the height of the step 5 is controlled; through rotating knob two 17, drive bull stick 21 and rotate, make runner 22 rotate, make the connecting band one 23 and the connecting band two 24 on runner 22 surface break away from runner 22 surface to make the coupling piece 6 of both sides outwards move under the drive of spring 20, can increase the length of coupling piece 6, when counter-rotating knob two 17, make connecting band one 23 and the connecting band two 24 adhesion on runner 22 surface, with the inside removal of both sides coupling piece 6, reduce the length between the coupling piece 6, the practicality is stronger.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," "fixedly mounted," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A communication filter coupling structure, comprising:
a filter (1);
the bottom of the inner cavity of the filter (1) is provided with two lifting blocks (2);
the top end of the lifting block (2) is provided with a top block (3);
the top end of the top block (3) is provided with a step (5);
the top ends of the two steps (5) are provided with coupling pieces (6);
the top ends of the two coupling pieces (6) are provided with the resonant columns (8);
and the two resonance columns (8) are fixed at the top ends of the coupling sheet (6) and the step (5) through screws (9).
2. The coupling structure of claim 1, wherein the top block (3) is provided with a sliding groove (4) along the left-right direction, and the step (5) is slidably disposed in the sliding groove (4).
3. The coupling structure of claim 2, wherein a connecting block (7) is disposed between the two coupling pieces (6), and a slot (15) is disposed at the front end of the filter (1) along the vertical direction.
4. A coupling structure of a communication filter according to claim 3, wherein a first rotating button (10) is arranged in the middle of one end of the filter (1), the inner end of the first rotating button (10) is provided with one end of a rotating shaft (11), the other end of the rotating shaft (11) extends into the inner cavity of the filter (1), two first bevel gears (12) are in interference fit on the surface of the rotating shaft (11), a second bevel gear (13) is meshed at the top end of the first bevel gear (12), a screw rod (14) is in interference fit in the central hole of the second bevel gear (13), and the surface of the screw rod (14) is in threaded connection with one side of the bottom end of the lifting block (2).
5. A communication filter coupling structure according to claim 3, wherein the front end of the connection block (7) is provided with one end of a connection rod (16), and the other end of the connection rod (16) is slidably arranged at the inner end of the slot (15).
6. A coupling structure of a communication filter according to claim 5, wherein the two coupling sheets (6) are provided with a projection (18) at the inner side of the top end, the projection (18) is slidably disposed at the top of the inner cavity of the connecting block (7), the top of the inner cavity of the connecting block (7) is provided with a transmission plate (19), the inner ends of the two projections (18) are both provided with one end of a spring (20), and the other end of the spring (20) is disposed on the wall of the inner cavity of the connecting block (7).
7. The coupling structure of a communication filter according to claim 5, wherein a second rotating button (17) is arranged at the front end of the connecting rod (16), one end of a rotating rod (21) is arranged at the inner end of the second rotating button (17), the other end of the rotating rod (21) extends into the middle of the inner cavity of the connecting block (7) through the connecting rod (16), and is in interference fit with a rotating wheel (22), one end of a first connecting belt (23) and one end of a second connecting belt (24) are respectively adhered to the surfaces of the two ends of the rotating wheel (22), and the other ends of the first connecting belt (23) and the second connecting belt (24) are respectively arranged at the inner ends of the coupling pieces (6) at the two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022371746.7U CN213071307U (en) | 2020-10-22 | 2020-10-22 | Communication filter coupling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022371746.7U CN213071307U (en) | 2020-10-22 | 2020-10-22 | Communication filter coupling structure |
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| Publication Number | Publication Date |
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| CN213071307U true CN213071307U (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022371746.7U Active CN213071307U (en) | 2020-10-22 | 2020-10-22 | Communication filter coupling structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114069176A (en) * | 2021-12-14 | 2022-02-18 | 大富科技(安徽)股份有限公司 | Coupling adjusting device and filter |
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2020
- 2020-10-22 CN CN202022371746.7U patent/CN213071307U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114069176A (en) * | 2021-12-14 | 2022-02-18 | 大富科技(安徽)股份有限公司 | Coupling adjusting device and filter |
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