CN220544983U

CN220544983U - LC filter and coupling structure thereof

Info

Publication number: CN220544983U
Application number: CN202322168118.2U
Authority: CN
Inventors: 金成国
Original assignee: Suzhou Huiruoen Technology Co ltd
Current assignee: Suzhou Huiruoen Technology Co ltd
Priority date: 2023-08-14
Filing date: 2023-08-14
Publication date: 2024-02-27
Anticipated expiration: 2033-08-14

Abstract

The utility model relates to the technical field of LC filters and discloses a coupling structure, which comprises a filter shell and a placing block, wherein an adjusting mechanism is arranged in the placing block, a worm wheel meshed with the outside of a worm is rotated by rotating a hand wheel, so that a threaded rod is driven to rotate, the threaded rod is enabled to move up and down in an external threaded manner, the placing block and a coupling plate are conveniently lifted up and down, the coupling plate is conveniently taken, the two-way threaded rod is enabled to rotate under the cooperation of a gear and a rack through the upward movement of the placing block, so that a clamping block is enabled to be synchronously far away from the coupling plate, a worker is enabled to conveniently move the coupling plate out, the inserting block is enabled to move inwards until being far away from a chute formed in the inner side of the filter shell through inwards, and the movement of the inserting block is enabled to be more stable under the cooperation of a limiting post, so that the disassembly of a filter top cover is facilitated.

Description

LC filter and coupling structure thereof

Technical Field

The utility model relates to the technical field of LC filters, in particular to an LC filter and a coupling structure thereof.

Background

The passive filter, also called LC filter, is a filter circuit formed by utilizing the combination design of inductance, capacitance and resistance, can filter out one or more harmonics, and the most common passive filter structure easy to be adopted is to connect the inductance and the capacitance in series, so as to form a low-impedance bypass for main subharmonics (3, 5 and 7); the single tuning filter, the double tuning filter and the high pass filter belong to passive filters.

The utility model discloses an LC filter and a coupling structure thereof (the authorized bulletin number is CN 214480502U) of the LC filter, belongs to the field of filter elements, and particularly relates to the LC filter and the coupling structure thereof, which aim at the problems that the structure of the existing filter is generally fixed, the LC filter is difficult to install and detach quickly, the coupling structure is required to be fixed independently during installation, the operation steps are complicated, and the assembly is time-consuming and labor-consuming, the LC filter is provided with the scheme that the coupling structure is installed in a filter shell and comprises an inner partition plate, a connecting plate, a coupling plate, two limiting plates, a transmission rod, two first lead screws and a worm, wherein the inner partition plate is fixedly installed on the inner wall of the bottom of the filter shell, the connecting plate is fixedly installed on one side of the inner partition plate, and the coupling plate is placed on the connecting plate. The filter structure is flexible, convenient and quick to install and detach, and can fix the coupling structure while being installed, so that time and labor are saved in operation. "

With respect to the above description, the applicant believes that the following problems exist:

in the use process, the filter is disassembled and installed through rotating the rotating seat, and the transmission coupling structure can be disassembled and installed at the same time, but the height of the coupling plate after the limit release cannot be adjusted, so that the coupling plate needs to be stretched into the filter shell to be taken out, the subsequent installation work of the coupling plate is inconvenient, the practicability of the filter is reduced, and the LC filter and the coupling structure thereof need to be improved to solve the problems.

Disclosure of Invention

The present utility model is directed to an LC filter and a coupling structure thereof, which solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the coupling structure comprises a filter shell and a placing block, wherein an adjusting mechanism is arranged in the placing block;

the adjusting mechanism comprises a lifting assembly and a clamping assembly, wherein the lifting assembly is arranged outside the placing block, and the clamping assembly is arranged inside the placing block.

Preferably, the lifting assembly comprises a hand wheel, the front end at the filter casing is installed in the hand wheel rotation, the back fixed mounting of hand wheel has the worm, fixed mounting has the support column on the bottom inner wall of filter casing, the top of support column rotates and installs the worm wheel, worm and worm wheel meshing, the top fixed mounting of worm wheel has the threaded rod, fixed mounting has the connecting block on the inner wall of filter casing, the top of threaded rod rotates with the bottom of connecting block and installs, the screw thread piece is installed to the external screw thread of connecting block, is convenient for place the piece and carries out lifting operation.

Preferably, the clamping assembly comprises a spacer block, the spacer block is fixedly arranged at the top of the placing block, the coupling plate is slidably arranged at the top of the placing block, a bidirectional threaded rod is rotatably arranged in the placing block, a clamping block is arranged on the external thread of the bidirectional threaded rod, a connecting column is fixedly arranged at the front end of the bidirectional threaded rod, a gear is fixedly arranged at one end of the connecting column, far away from the bidirectional threaded rod, a rack is fixedly arranged on the inner wall of the front end of the filter shell, and the gear and the rack are in transmission installation, so that clamping operation on the coupling plate is facilitated.

Preferably, a sliding groove is formed in the placing block, and the clamping block is slidably mounted in the sliding groove, so that the clamping block can be moved conveniently.

An LC filter comprises a filter shell, a filter top cover and an adjusting mechanism, wherein a switch mechanism is arranged in the filter top cover.

Preferably, the switch mechanism comprises a connection shell, the connection shell is fixedly arranged at the bottom of the filter top cover, an inserting block is slidably arranged on the inner wall of the connection shell, a handle is fixedly arranged at the top of the inserting block, a spring is fixedly arranged between the inner side of the inserting block and the inner wall of the connection shell, a limit column is slidably arranged in the inserting block, one end of the limit column, which is far away from the inserting block, is fixedly arranged on the inner wall of the connection shell, and the filter top cover is convenient to install and detach.

Preferably, the inner side of the filter shell is provided with a groove, and the insert block is slidably arranged in the groove, so that the limiting operation of the filter top cover is facilitated.

Preferably, the filter top cover is internally provided with a through groove, and the handle is slidably arranged in the through groove, so that the movable work of the plug block is facilitated.

Compared with the prior art, the utility model provides the LC filter and the coupling structure thereof, which have the following beneficial effects:

1. this LC filter and coupling structure thereof through the adjustment mechanism who sets up, in the use, through rotatory hand wheel, make worm outside engaged's worm wheel rotate, thereby drive the threaded rod and rotate, thereby make the outside screw thread installation of threaded rod reciprocate, thereby be convenient for will place the lifting of piece and coupling plate height, the work of taking of coupling plate is convenient, through the upward movement of placing the piece, under the cooperation of gear and rack, make bi-directional threaded rod rotate, thereby make the clamp splice keep away from the coupling plate in step, the staff of being convenient for shifts out of coupling plate, the repetitive operation makes to place the piece and moves down, until the clamp splice carries out the centre gripping to the coupling plate, the installation work to the coupling plate of being convenient for.

2. This LC filter and coupling structure thereof through the switch mechanism who sets up, in the use, through inwards pulling the handle for the inside removal of inserted block is until keeping away from the spout that the filter casing inboard was seted up, under the cooperation of spacing post, makes the removal of inserted block more steady, is convenient for to the dismantlement work to the filter top cap, and the repetitive operation is convenient for carry out the installation work to the filter top cap, and under the elastic action of spring, spacing is carried out the filter top cap, avoids the coming off of filter top cap.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it will be apparent that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art:

FIG. 1 is a schematic diagram of the front structure of the present utility model;

FIG. 2 is a schematic view of the structure of the adjusting mechanism of the present utility model;

FIG. 3 is a schematic view of a lifting assembly according to the present utility model;

FIG. 4 is a schematic view of a clamping assembly according to the present utility model;

fig. 5 is a schematic structural view of the switch mechanism of the present utility model.

In the figure: 1. a filter housing; 2. a filter top cover; 3. a switching mechanism; 301. a connection housing; 302. inserting blocks; 303. a handle; 304. a spring; 305. a limit column; 4. placing a block; 5. an adjusting mechanism; 51. a lifting assembly; 511. a hand wheel; 512. a worm; 513. a support column; 514. a worm wheel; 515. a threaded rod; 516. a connecting block; 517. a screw block; 52. a clamping assembly; 521. a spacer block; 522. a coupling plate; 523. a two-way threaded rod; 524. clamping blocks; 525. a connecting column; 526. a gear; 527. a rack.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Embodiment one:

referring to fig. 1-4, the present utility model provides a technical solution: the coupling structure comprises a filter shell 1 and a placement block 4, wherein an adjusting mechanism 5 is arranged in the placement block 4;

the adjusting mechanism 5 comprises a lifting assembly 51 and a clamping assembly 52, wherein the lifting assembly 51 is arranged outside the placing block 4, and the clamping assembly 52 is arranged inside the placing block 4.

Further, the lifting assembly 51 comprises a hand wheel 511, the hand wheel 511 is rotatably mounted at the front end of the filter housing 1, a worm 512 is fixedly mounted at the back of the hand wheel 511, a support column 513 is fixedly mounted on the inner wall of the bottom of the filter housing 1, a worm wheel 514 is rotatably mounted at the top of the support column 513, the worm 512 is meshed with the worm wheel 514, a threaded rod 515 is fixedly mounted at the top of the worm wheel 514, a connecting block 516 is fixedly mounted on the inner wall of the filter housing 1, the top of the threaded rod 515 is rotatably mounted at the bottom of the connecting block 516, a threaded block 517 is mounted on external threads of the connecting block 516, and lifting of the placement block 4 is facilitated.

Further, the clamping assembly 52 comprises a spacer 521, the spacer 521 is fixedly mounted at the top of the placement block 4, the coupling plate 522 is slidably mounted at the top of the placement block 4, the bidirectional threaded rod 523 is rotatably mounted in the placement block 4, the clamping block 524 is mounted on the external thread of the bidirectional threaded rod 523, the front end of the bidirectional threaded rod 523 is fixedly provided with a connecting column 525, one end of the connecting column 525, far away from the bidirectional threaded rod 523, is fixedly provided with a gear 526, the inner wall of the front end of the filter housing 1 is fixedly provided with a rack 527, and the gear 526 and the rack 527 are in transmission mounting, so that clamping operation on the coupling plate 522 is facilitated.

Further, a sliding groove is formed in the placing block 4, and the clamping block 524 is slidably mounted in the sliding groove, so that the clamping block 524 can be moved conveniently.

Embodiment two:

referring to fig. 5, in combination with the first embodiment, a LC filter is further obtained, which includes a filter housing 1, a filter top cover 2, and an adjusting mechanism 5, wherein a switch mechanism 3 is disposed inside the filter top cover 2.

Further, the switch mechanism 3 includes a connection housing 301, the connection housing 301 is fixedly mounted at the bottom of the filter top cover 2, an insert block 302 is slidably mounted on the inner wall of the connection housing 301, a handle 303 is fixedly mounted at the top of the insert block 302, a spring 304 is fixedly mounted between the inner side of the insert block 302 and the inner wall of the connection housing 301, a limit column 305 is slidably mounted in the insert block 302, one end of the limit column 305, which is far away from the insert block 302, is fixedly mounted on the inner wall of the connection housing 301, and is convenient for mounting and dismounting the filter top cover 2.

Further, a groove is formed in the inner side of the filter housing 1, and the insert block 302 is slidably mounted in the groove, so that the limiting operation of the filter top cover 2 is facilitated.

Further, a through groove is formed in the filter top cover 2, and the handle 303 is slidably mounted in the through groove, so that the plug 302 can be moved conveniently.

In actual operation, when this device was used, through inwards pulling handle 303, make the inserted block 302 inwards move until keeping away from the spout that filter casing 1 inboard was seted up, under the cooperation of spacing post 305, make the removal of inserted block 302 more steady, be convenient for dismantle work to filter top cap 2, the repeated operation is convenient for install work to filter top cap 2, under the elastic action of spring 304, carry out spacing to filter top cap 2, avoid filter top cap 2's coming off, when the needs are installed and are dismantled to coupling plate 522, through rotatory hand wheel 511, make worm 512 externally engaged worm wheel 514 rotate, thereby drive threaded rod 515 and rotate, thereby make 5147 of threaded rod 515 outside screw installation reciprocate, thereby be convenient for place piece 4 and coupling plate 522 and carry out high lifting, the convenience is to the take work to coupling plate 522, through the upward movement of placing piece 4, under the cooperation of gear 526 and rack 527, make bi-directional threaded rod 523 rotate, thereby make clamp splice 524 keep away from coupling plate 522 in step, the staff shifts out coupling plate 522, the repeated operation makes clamp splice plate 522 move down, install coupling plate 522 down, the convenience to install coupling plate 522.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Claims

1. A coupling structure comprising a filter housing (1) and a placement block (4), characterized in that: an adjusting mechanism (5) is arranged in the placement block (4);

the adjusting mechanism (5) comprises a lifting assembly (51) and a clamping assembly (52), wherein the lifting assembly (51) is arranged outside the placing block (4), and the clamping assembly (52) is arranged inside the placing block (4).

2. A coupling structure according to claim 1, wherein: lifting component (51) are including hand wheel (511), hand wheel (511) rotate the front end of installing at filter casing (1), the back fixed mounting of hand wheel (511) has worm (512), fixed mounting has support column (513) on the bottom inner wall of filter casing (1), worm wheel (514) are installed in the rotation of the top of support column (513), worm (512) and worm wheel (514) meshing, the top fixed mounting of worm wheel (514) has threaded rod (515), fixed mounting has connecting block (516) on the inner wall of filter casing (1), the top of threaded rod (515) rotates the installation with the bottom of connecting block (516), screw thread piece (517) are installed to the external screw thread of connecting block (516).

3. A coupling structure according to claim 2, wherein: clamping component (52) are including spacer block (521), spacer block (521) fixed mounting is at the top of placing piece (4), the top slidable mounting of placing piece (4) has coupling plate (522), the inside rotation of placing piece (4) is installed bi-directional threaded rod (523), clamp splice (524) are installed to the external screw thread of bi-directional threaded rod (523), the front end fixed mounting of bi-directional threaded rod (523) has spliced pole (525), the one end fixed mounting that spliced pole (525) kept away from bi-directional threaded rod (523) has gear (526), fixed mounting has rack (527) on the front end inner wall of filter housing (1), gear (526) are installed with rack (527) transmission.

4. A coupling structure according to claim 3, wherein: the inside of placing piece (4) has seted up the spout, just clamp splice (524) slidable mounting is in the spout.

5. An LC filter comprising a filter housing (1), a filter top cover (2) and an adjusting mechanism (5), the adjusting mechanism (5) being any one of the claims 1-4, characterized in that: a switch mechanism (3) is arranged in the filter top cover (2).

6. An LC filter as claimed in claim 5, wherein: the switch mechanism (3) comprises a connecting shell (301), the connecting shell (301) is fixedly arranged at the bottom of a filter top cover (2), an inserting block (302) is slidably arranged on the inner wall of the connecting shell (301), a handle (303) is fixedly arranged at the top of the inserting block (302), a spring (304) is fixedly arranged between the inner side of the inserting block (302) and the inner wall of the connecting shell (301), a limit column (305) is slidably arranged in the inserting block (302), and one end of the limit column (305) away from the inserting block (302) is fixedly arranged on the inner wall of the connecting shell (301).

7. An LC filter as claimed in claim 6, wherein: the inner side of the filter shell (1) is provided with a groove, and the insertion block (302) is slidably arranged in the groove.

8. An LC filter as claimed in claim 6, wherein: the filter top cover (2) is internally provided with a through groove, and the handle (303) is slidably arranged in the through groove.