CN210607557U

CN210607557U - Adjustable capacitive cross coupling structure of filter

Info

Publication number: CN210607557U
Application number: CN201922066188.0U
Authority: CN
Inventors: 秦佰坤
Original assignee: Wuhan Haoyuanda Technology Co Ltd
Current assignee: Wuhan Haoyuanda Technology Co Ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-05-22
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a cross coupling structure of adjustable holding of wave filter, including casing, cavity, auxiliary structure and regulation structure, the resonance piece is all installed to the both sides of casing bottom, and just four corners of resonance piece all are fixed with fixation nut, the outside of casing one end evenly is provided with the draw-in groove, the inside of casing is provided with the cavity, and the inside one end of cavity installs auxiliary structure, auxiliary structure from the top down has set gradually set up set screw, support column, transfers the spiral shell, transfers piece and erection column, the erection column is installed to the inside one end of cavity, connecting conductor is all installed to the both sides of the inside bottom of cavity. The utility model discloses an install on the support column and transfer the spiral shell, will transfer the spiral to go into the inside of support column, will transfer the piece to go into the both sides of transferring the spiral shell soon, make capacitive cross coupling, install the capacitive cross coupling of making in the one end of erection column to fix through set screw, simple structure, it is small, the processing method is simple.

Description

Adjustable capacitive cross coupling structure of filter

Technical Field

The utility model relates to a wave filter accessory technical field specifically is a cross coupling structure of adjustable holding of wave filter.

Background

The filter is used for filtering the electric appliance of electric wave, also can effectively filter the frequency point of specific frequency or the frequency beyond this frequency point in the power cord, and the inside of filter all contains coupling structure, but there are many problems or defects in the cross-coupling structure of the adjustable capacitance of current filter:

firstly, the adjustable and capacitive cross-coupling structure of the traditional filter has a complex structure, large volume and very troublesome processing under the condition of meeting the index;

secondly, the adjustable and capacitive cross-coupling structure of the traditional filter is inconvenient to adjust, and cannot be adjusted according to actual needs and meet user requirements when in use;

third, the conventional tunable capacitive cross-coupling structure of the filter is inconvenient to install, troublesome and inconvenient to install and long in installation time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cross coupling structure of adjustable capacitance of wave filter to the structure that proposes in solving above-mentioned background art is complicated, be not convenient for adjust and the inconvenient problem of installation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cross coupling structure of adjustable capacitance of wave filter, includes casing, cavity, auxiliary structure and regulation structure, the resonance piece is all installed to the both sides of casing bottom, and four corners of resonance piece all are fixed with fixation nut, the outside of casing one end evenly is provided with the draw-in groove, the inside of casing is provided with the cavity, and the inside one end of cavity installs auxiliary structure, auxiliary structure has set gradually fixing screw, support column, accent spiral shell, accent piece and erection column from the top down, the erection column is installed to the inside one end of cavity, connecting conductor is all installed to the both sides of the inside bottom of cavity, connecting conductor's bottom and resonance piece fixed connection, the resonance column is all installed to the both sides of the inside one end of cavity, the lid is installed to the one end of casing, the regulation structure is all installed to the both sides of lid, the regulation structure has set gradually coupling screw rod from the top down, Opening, external screw thread, coupling nut and internal thread, the coupling screw rod is all installed to the both sides of lid.

Preferably, the support column is installed to the one end of erection column, and installs on the support column and transfer the spiral shell, and the one end of lid is fixed with set screw.

Preferably, the two sides of the adjusting screw are both provided with adjusting blocks, and the adjusting blocks are symmetrically distributed around the center line of the shell.

Preferably, an opening is formed in one end of the coupling screw, external threads are formed in the outer side of the coupling screw, and a coupling nut is fixed on the coupling screw.

Preferably, the inner side of the coupling nut is provided with an internal thread matched with the external thread, and the external thread and the internal thread are in threaded connection.

Preferably, the outer side of one end of the cover body is uniformly provided with clamping columns matched with the clamping grooves, and a clamping structure is formed between the clamping columns and the clamping grooves.

Compared with the prior art, the beneficial effects of the utility model are that: the adjustable capacitive cross-coupling structure of the filter is reasonable in structure and has the following advantages:

(1) the adjusting screws are installed on the supporting columns, the adjusting screws are screwed into the supporting columns, the adjusting blocks are screwed into the two sides of the adjusting screws to form capacitive cross coupling, the capacitive cross coupling is installed at one end of each installing column and is fixed through the fixing screws, and the capacitive cross coupling structure is simple in structure, small in size and simple in processing mode;

(2) the outer side of the coupling screw is provided with the external thread, the external thread is matched with the internal thread, the position of the coupling nut can be adjusted through the internal thread, so that the position of the coupling screw can be adjusted, the position of the coupling screw in the resonance column can be adjusted through the opening, and the coupling screw can be adjusted under specific conditions so as to meet the requirements of users;

(3) through evenly installing the card post of mutually supporting with the draw-in groove in the outside of lid one end, card post and draw-in groove mutually support, cover the lid in the one end of casing, through draw-in groove and card post mutually block with, with the casing installation complete, the mounting means is simple convenient, can save more installation time.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the cross-sectional structure of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;

fig. 4 is a schematic view of the front cross-sectional structure of the coupling nut of the present invention.

In the figure: 1. a housing; 2. a cavity; 3. an auxiliary structure; 301. adjusting the snail; 302. mounting a column; 303. adjusting blocks; 304. a set screw; 305. a support pillar; 4. an adjustment structure; 401. a coupling screw; 402. a coupling nut; 403. an opening; 404. an external thread; 405. an internal thread; 5. a card slot; 6. a resonant column; 7. a resonance block; 8. fixing a nut; 9. a connecting conductor; 10. a cover body; 11. and (5) clamping the column.

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. 1-4, the present invention provides an embodiment: the adjustable capacitive cross-coupling structure of the filter comprises a shell 1, a cavity 2, an auxiliary structure 3 and an adjusting structure 4, wherein resonance blocks 7 are mounted on two sides of the bottom end of the shell 1, fixing nuts 8 are fixed at four corners of each resonance block 7, clamping grooves 5 are uniformly formed in the outer side of one end of the shell 1, the cavity 2 is formed in the shell 1, the auxiliary structure 3 is mounted at one end of the inner portion of the cavity 2, the auxiliary structure 3 is sequentially provided with fixing screws 304, supporting columns 305, adjusting screws 301, adjusting blocks 303 and mounting columns 302 from top to bottom, the mounting columns 302 are mounted at one end of the inner portion of the cavity 2, the supporting columns 305 are mounted at one ends of the mounting columns 302, the adjusting screws 301 are mounted on the supporting columns 305, and fixing screws 304 are fixed at one end of a cover body;

adjusting blocks 303 are arranged on two sides of the adjusting screw 301, and the adjusting blocks 303 are symmetrically distributed about the center line of the shell 1, so that the adjustment is convenient;

when the capacitive cross coupling adjusting device is used, the adjusting screw 301 is screwed into the supporting column 305, the adjusting block 303 is screwed into two sides of the adjusting screw 301 to form capacitive cross coupling, and the capacitive cross coupling is arranged at one end of the mounting column 302 and is fixed through the fixing screw 304;

connecting conductors 9 are mounted on two sides of the bottom end inside the cavity 2, the bottom end of each connecting conductor 9 is fixedly connected with the corresponding resonance block 7, resonance columns 6 are mounted on two sides of one end inside the cavity 2, a cover body 10 is mounted at one end of the shell 1, clamping columns 11 matched with the clamping grooves 5 are uniformly arranged on the outer side of one end of the cover body 10, and a clamping structure is formed between each clamping column 11 and each clamping groove 5, so that the clamping structure is convenient to detach and mount;

the two sides of the cover body 10 are both provided with an adjusting structure 4, the adjusting structure 4 is sequentially provided with a coupling screw 401, an opening 403, an external thread 404, a coupling nut 402 and an internal thread 405 from top to bottom, the two sides of the cover body 10 are both provided with the coupling screw 401, one end of the coupling screw 401 is provided with the opening 403, the external thread 404 is arranged on the outer side of the coupling screw 401, and the coupling nut 402 is fixed on the coupling screw 401;

the inner side of the coupling nut 402 is provided with an internal thread 405 matched with the external thread 404, and the external thread 404 and the internal thread 405 form threaded connection, so that adjustment is facilitated;

in use, the external thread 404 and the internal thread 405 are matched with each other, and the position of the coupling nut 402, and therefore the position of the coupling screw 401, can be adjusted through the internal thread 405, and the position of the coupling screw 401 inside the resonant column 6 can also be adjusted through the opening 403.

The working principle is as follows: when in use, the adjusting screw 301 is screwed into the supporting column 305, the adjusting block 303 is screwed into two sides of the adjusting screw 301 to form capacitive cross coupling, the capacitive cross coupling is arranged at one end of the mounting column 302, and is fixed by the fixing screw 304, the structure is simple, the volume is small, the processing mode is simple, the clamping column 11 is matched with the clamping groove 5, the cover body 10 is covered at one end of the shell body 1, the housing 1 is completely installed by mutually clamping the clamping groove 5 and the clamping column 11, the coupling screw 401 is inserted into the housing 1 and extends into the resonant column 6, the external thread 404 is matched with the internal thread 405, the position of the coupling nut 402 can be adjusted through the internal thread 405, thereby adjusting the position of the coupling screw 401, and also adjusting the position of the coupling screw 401 inside the resonant column 6 through the opening 403, and according to the specific situation, adjusting the coupling screw 401 so as to meet the requirements of the user.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a cross coupling structure of adjustable capacitance of wave filter, includes casing (1), cavity (2), auxiliary structure (3) and adjusts structure (4), its characterized in that: the vibration damper is characterized in that resonant blocks (7) are installed on two sides of the bottom end of the shell (1), fixing nuts (8) are fixed on four corners of each resonant block (7), clamping grooves (5) are uniformly formed in the outer side of one end of the shell (1), a cavity (2) is arranged in the shell (1), an auxiliary structure (3) is installed at one end of the interior of the cavity (2), fixing screws (304), supporting columns (305), adjusting screws (301), adjusting blocks (303) and installing columns (302) are sequentially arranged on the auxiliary structure (3) from top to bottom, the installing columns (302) are installed at one end of the interior of the cavity (2), connecting conductors (9) are installed on two sides of the bottom end of the interior of the cavity (2), the bottom end of each connecting conductor (9) is fixedly connected with the resonant blocks (7), and the resonant columns (6) are installed on two sides of one end of the interior of the cavity (2), the improved multifunctional adjustable cover is characterized in that a cover body (10) is installed at one end of the shell (1), adjusting structures (4) are installed on two sides of the cover body (10), coupling screws (401), openings (403), external threads (404), coupling nuts (402) and internal threads (405) are sequentially arranged on the adjusting structures (4) from top to bottom, and the coupling screws (401) are installed on two sides of the cover body (10).

2. A filter tunable capacitive cross-coupling structure according to claim 1, wherein: support column (305) is installed to the one end of erection column (302), and installs on support column (305) and transfer spiral shell (301), and the one end of lid (10) is fixed with set screw (304).

3. A filter tunable capacitive cross-coupling structure according to claim 2, wherein: adjusting blocks (303) are installed on two sides of the adjusting screw (301), and the adjusting blocks (303) are symmetrically distributed around the center line of the shell (1).

4. A filter tunable capacitive cross-coupling structure according to claim 1, wherein: an opening (403) is formed in one end of the coupling screw rod (401), an external thread (404) is arranged on the outer side of the coupling screw rod (401), and a coupling nut (402) is fixed on the coupling screw rod (401).

5. The filter tunable capacitive cross-coupling structure of claim 4, wherein: the inner side of the coupling nut (402) is provided with an internal thread (405) matched with the external thread (404), and the external thread (404) is in threaded connection with the internal thread (405).

6. A filter tunable capacitive cross-coupling structure according to claim 1, wherein: the outer side of one end of the cover body (10) is evenly provided with clamping columns (11) matched with the clamping grooves (5), and a clamping structure is formed between the clamping columns (11) and the clamping grooves (5).