CN218896808U - Filter capacitive pole adjustable structure - Google Patents

Abstract

The utility model discloses a filter capacity pole adjustable structure, which relates to the technical field of filters and comprises a cover plate and a fixed seat, wherein the cover plate is fixed on a filter main body, a bolt seat is fixedly arranged on the cover plate, a debugging bolt is arranged on the bolt seat, an arc sliding surface is arranged below the debugging bolt, a top groove opposite to the arc sliding surface is arranged on the fixed seat, a stable frame surrounding the fixed seat is arranged on the cover plate, through sliding grooves are arranged on two sides of the fixed seat, sliding frames are fixedly arranged on two sides of the fixed seat, a stop block is fixedly arranged on the sliding frames, a sliding column is fixedly arranged below the fixed seat, the sliding column penetrates through the bottom of the stable frame and is connected with the fixed frame in a sliding manner, a compression spring is fixedly arranged between the fixed seat and the bottom of the stable frame, and the compression spring is sleeved on the sliding column. According to the utility model, the pole is screwed in or out through the debugging screw on the pole, the pole capacity can be large or small, reworking can be realized without disassembling the cover plate, the debugging screw is not easy to deflect and slide, and the flying lever is stable during debugging, so that the pole is suitable for popularization.

Description

Filter capacitive pole adjustable structure

Technical Field

The utility model belongs to the technical field of filters, and particularly relates to a capacitive pole adjustable structure of a filter.

Background

The filter is a frequency filtering device, namely, the filter is used for selecting signals in a required frequency band and inhibiting signals in an unnecessary frequency band, and is widely used in the communication fields of radio frequency, microwaves and the like. When the distance between the fly rod and the resonance rod changes, the pole capacity of the filter can be changed, in the existing filter, in order to conveniently adjust the pole capacity, a debugging bolt used for adjusting the position of the fly rod is arranged, but the fly rod is too sensitive, the debugging bolt and the cover plate are in clearance due to threaded connection, the debugging bolt is likely to deviate, the appearance of thread sliding wire is easy to appear, and the fly rod is unstable, so that the pole capacity can be large or small through the screwing-in or screwing-out of the debugging screw on the pole, reworking can be realized without disassembling the cover plate, and the debugging screw is not easy to deflect and the pole capacity of the filter is adjustable.

Disclosure of Invention

The utility model aims to provide a structure with an adjustable pole of a filter, the pole is screwed in or out through a debugging screw on the pole, the pole capacity can be large or small, reworking can be realized without disassembling a cover plate, the debugging screw is not easy to deflect and slide, and a flying lever is stable during debugging and is suitable for popularization.

The utility model provides the following technical scheme: the utility model provides a filter capacity pole adjustable structure, includes apron, fixing base, debugging bolt, the apron is fixed in the filter main part, the apron is last to be fixedly to be equipped with the bolt seat, be equipped with the debugging bolt through the screw thread in the bolt seat, the debugging bolt below is equipped with the arc sliding surface, the upper end central point department of fixing base is equipped with the roof groove relative with the arc sliding surface, apron lower surface fixation is equipped with the steady rest around the fixing base, the fixing base both sides are equipped with the first sliding tray that runs through, the fixing base both sides are fixed to be equipped with the carriage, the carriage runs through first sliding tray and is fixed to be equipped with the dog, the fixing base below is fixed to be equipped with the spliced pole, the spliced pole runs through the bottom of steady rest and slides rather than links to each other, fixed compression spring that is equipped with between fixing base and the steady rest bottom, compression spring cover is established on the spliced pole.

Preferably, the top of debugging bolt is fixed and is equipped with the nut, the upper end of bolt seat is equipped with the antiskid groove, debugging bolt is located the nut below and is equipped with the second sliding tray, the one section cover that the debugging bolt is located second sliding tray department is equipped with the slip sleeve, the fixed bellied antiskid ribbed tile that is equipped with in slip telescopic lower extreme, the antiskid ribbed tile's shape is the polygon, the shape and the antiskid ribbed tile assorted of antiskid groove, the fixed limit slider that is equipped with of slip telescopic inboard, the limit slider is located the second sliding tray and links to each other with it slip.

Preferably, the fixing seat is a polytetrafluoroethylene block, a flying rod is fixedly arranged on the fixing seat, and two ends of the flying rod are slidably connected with a partition wall accommodating groove on the resonance column in the filter main body.

The utility model has the beneficial effects that: the pole can be screwed in or out through the debugging screw on the pole, the pole capacity can be large or small, reworking can be realized without disassembling the cover plate, the debugging screw is not easy to deflect and slide, and the flying lever is stable during debugging, and the pole is particularly as follows:

(1) The utility model is provided with the debugging bolt, when the pole capacity needs to be adjusted in the filter main body, the debugging bolt is rotated, the fixing seat is pressed downwards when the debugging bolt is adjusted to move downwards, the compression spring pushes the fixing seat upwards when the debugging bolt is adjusted to move upwards, so that the position of the flying rod is adjusted, the pole capacity is adjusted, after adjustment, the compression spring keeps a jacking state of the fixing seat, the threaded connection part of the debugging bolt and the bolt seat is jacked tightly, and if the debugging bolt is jacked tightly, the arc sliding surface is positioned in the jacking groove to slide and deflect, and does not drive the fixing seat to deflect, so that the stability of the flying rod is maintained.

(2) The anti-skid device is provided with the sliding sleeve, when the debugging bolt is required to rotate, the upper end of the sliding sleeve is buckled to lift the anti-skid groove and the anti-skid plate, the debugging bolt is rotated, after the debugging bolt rotates, the corner of the connected anti-skid plate is opposite to the anti-skid groove, the anti-skid plate is inserted into the anti-skid groove, the anti-skid plate is fixed, the limit sliding block of the sliding sleeve is positioned in the debugging bolt, the rotation of the debugging bolt is prevented, and the thread slipping phenomenon is avoided.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the present utility model at a filter;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a cross-sectional view of the present utility model;

FIG. 4 is an enlarged view of the utility model at A;

marked in the figure as: 1. a filter body; 2. a cover plate; 3. a fixing seat; 4. a flying lever; 5. debugging a bolt; 6. a bolt seat; 7. a stabilizing rack; 8. a first sliding groove; 9. a stop block; 10. a carriage; 11. a sliding sleeve; 12. an anti-skid groove; 13. a cleat; 14. a screw cap; 15. an arc sliding surface; 16. a top groove; 17. a sliding column; 18. a compression spring; 19. a second sliding groove; 20. and a limit sliding block.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The structural features of the present utility model will now be described in detail with reference to the accompanying drawings.

Referring to fig. 1, a structure with an adjustable capacitive pole of a filter comprises a cover plate 2, a fixing seat 3 and a debugging bolt 5, wherein the cover plate 2 is fixed on a filter main body 1, the fixing seat 3 is a polytetrafluoroethylene block, a flying rod 4 is fixedly arranged on the fixing seat 3, two ends of the flying rod 4 are slidably connected with a partition wall accommodating groove on a resonance column in the filter main body 1, and the pole is changed when the flying rod 4 moves.

Referring to fig. 2-3, a bolt seat 6 is fixedly arranged on the cover plate 2, a debugging bolt 5 is arranged in the bolt seat 6 through threads, the debugging bolt 5 can move on the bolt seat 6, an arc sliding surface 15 is arranged below the debugging bolt 5, a top groove 16 opposite to the arc sliding surface 15 is arranged at the center point of the upper end of the fixed seat 3, the arc sliding surface 15 is connected with the top groove 16, the fixed seat 3 is not influenced when the debugging bolt 5 deflects, a stabilizing frame 7 surrounding the fixed seat 3 is fixedly arranged on the lower surface of the cover plate 2, a penetrating first sliding groove 8 is arranged on two sides of the fixed seat 3, a sliding frame 10 is fixedly arranged on two sides of the fixed seat 3, a stop block 9 is fixedly arranged on the sliding frame 10 penetrating the first sliding groove 8, a sliding column 17 is fixedly arranged below the fixed seat 3, the sliding column 17 penetrates the bottom of the stabilizing frame 7 and is connected with the sliding block, the sliding column 17 slides on the stabilizing frame 7 through the stop block 9, the bottom of the stabilizing frame 7, the stability of the fixed seat 3 during movement is realized, a compression spring 18 is fixedly arranged between the fixed seat 3 and the bottom of the stabilizing frame 7, the compression spring 18 is sleeved on the sliding column 17, and the fixed seat 3 is enabled to move along with the fixed seat 3 through the compression spring 18, and upward thrust is provided for debugging the fixed seat 3.

Referring to fig. 2-4, the top end of the debugging bolt 5 is fixedly provided with a nut 14, the debugging bolt 5 is rotated through rotating the nut 14, the upper end of the bolt seat 6 is provided with an anti-slip groove 12, the debugging bolt 5 is positioned below the nut 14 and is provided with a second sliding groove 19, one section of the debugging bolt 5 positioned at the second sliding groove 19 is sleeved with a sliding sleeve 11, the lower end of the sliding sleeve 11 is fixedly provided with a raised anti-slip plate 13, the anti-slip plate 13 is polygonal, the shape of the anti-slip groove 12 is matched with that of the anti-slip plate 13, the anti-slip plate 13 is positioned in the anti-slip groove 12 to prevent the sliding sleeve 11 from rotating, a limit sliding block 20 is fixedly arranged on the inner side of the sliding sleeve 11, the limit sliding block 20 is positioned in the second sliding groove 19 and is connected with the debugging bolt 5 in a sliding manner, the sliding sleeve 11 is prevented from rotating, and the sliding sleeve 11 can be lifted up to release the debugging bolt 5.

According to the structure with the adjustable capacitive pole of the filter, the pole is screwed in or out through the debugging screw on the pole, the pole capacity can be large or small, reworking can be achieved without disassembling the cover plate, the debugging screw is not easy to deflect and slide, the flying lever is stable in debugging, and the structure is suitable for popularization.

1-4, when pole capacity needs to be adjusted in the filter main body 1, the adjusting bolt 5 is rotated, when the adjusting bolt 5 needs to be rotated, the upper end of the sliding sleeve 11 is buckled to lift the adjusting bolt 5, the anti-skid groove 12 is separated from the anti-skid plate 13, the adjusting bolt 5 is rotated, the fixing seat 3 is pressed downwards when the adjusting bolt 5 moves downwards, the compression spring 18 pushes the fixing seat 3 upwards when the adjusting bolt 5 moves upwards, so that the position of the flying rod 4 is adjusted, pole capacity is adjusted, after the adjusting bolt 5 rotates, the corner of the anti-skid plate 13 connected with the adjusting bolt is opposite to the anti-skid groove 12, the anti-skid plate 13 is inserted into the anti-skid plate 12, the limiting slider 20 of the sliding sleeve 11 is positioned in the adjusting bolt 5, and the adjusting bolt 5 is prevented from rotating;

referring to fig. 3, after the adjustment, the compression spring 18 keeps the jacking state of the fixing seat 3, the threaded connection part of the debugging bolt 5 and the bolt seat 6 is jacked tightly, and if the debugging bolt 5 has offset relative to the bolt seat 6 during jacking, the arc-shaped sliding surface 15 slides and deflects in the jacking groove 16 and does not drive the fixing seat 3 to deflect.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (3)

1. The utility model provides a filter capacity pole adjustable structure, includes apron (2), fixing base (3), debugging bolt (5), apron (2) are fixed on filter main part (1), a serial communication port, be equipped with bolt seat (6) on apron (2), be equipped with debugging bolt (5) through the screw thread in bolt seat (6), debugging bolt (5) below is equipped with arc sliding surface (15), the upper end central point department of fixing base (3) is equipped with roof groove (16) relative with arc sliding surface (15), apron (2) lower surface mounting is equipped with steady rest (7) around fixing base (3), fixing base (3) both sides are equipped with first sliding groove (8) that run through, fixing base (3) both sides are fixed and are equipped with carriage (10), carriage (10) run through first sliding groove (8) and are fixed to be equipped with dog (9), fixing base (3) below is fixed and is equipped with sliding column (17), sliding column (17) run through the bottom of steady rest (7) and link to each other rather than sliding, fixing base (3) and bottom (7) are equipped with compression sleeve (18) between steady rest (18).

2. The filter capacity pole adjustable structure according to claim 1, characterized in that a nut (14) is fixedly arranged at the top end of the debugging bolt (5), an anti-slip groove (12) is arranged at the upper end of the bolt seat (6), a second sliding groove (19) is arranged below the nut (14) and is positioned below the debugging bolt (5), a sliding sleeve (11) is sleeved on one section of the debugging bolt (5) positioned at the second sliding groove (19), a raised anti-slip plate (13) is fixedly arranged at the lower end of the sliding sleeve (11), the anti-slip plate (13) is polygonal, the anti-slip groove (12) is matched with the anti-slip plate (13), a limit sliding block (20) is fixedly arranged at the inner side of the sliding sleeve (11), and the limit sliding block (20) is positioned in the second sliding groove (19) and is connected with the second sliding groove in a sliding manner.

3. The structure of adjustable pole of filter according to claim 1, wherein the fixing base (3) is polytetrafluoroethylene block, the flying rod (4) is fixedly arranged on the fixing base (3), and two ends of the flying rod (4) are slidably connected with the partition wall accommodating groove on the resonance column in the filter main body (1).

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