Filter for suppressing specific frequency signal

Abstract

The utility model discloses a filter for suppressing specific frequency signals, which relates to the technical field of filters and comprises a filter body, two ends of the filter body are both provided with grooves, rotating columns are rotatably arranged in the grooves, one side of each rotating column is provided with a groove, two sides of the filter body are both provided with connectors, and the connectors are connected with the filter body. A conductive rod is fixedly arranged at the end, close to the rotating column, of the connector, one end of the conductive rod is connected with the groove in an inserted mode, through grooves are formed in the groove bottom of the groove, wires are arranged in the through grooves in the two sides, and the two ends of the wires on the two sides are electrically connected with the corresponding conductive rod and the filter body. A fixing rod is fixedly arranged on the inner wall of the upper side of the groove, an arc-shaped rod is fixedly arranged on the lower side of the fixing rod, and an arc-shaped groove is formed in the side wall of the conductive rod. According to the utility model, the connector of the filter can be disassembled and assembled in a time-saving and labor-saving manner, tools are not needed, and the connector is convenient to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a filter for suppressing specific frequency signals. Background Art

[0002] A notch filter is a filter that can suppress signals within a specific frequency range. The frequency range to be blocked is called the stop band, and the other frequency ranges are called the pass band.

[0003] The connector of a traditional filter that suppresses specific frequency signals is usually installed with multiple bolts to the filter body. Therefore, when the connector is damaged, it is necessary to use a screwdriver of the corresponding model to remove the multiple bolts one by one. Not only is the operation cumbersome, but the connector cannot be replaced without tools, which affects the use of the filter. Utility Model Content

[0004] In view of the above-mentioned problems existing in the existing filters for suppressing specific frequency signals, the present utility model is proposed.

[0005] Therefore, the purpose of the present invention is to provide a filter for suppressing specific frequency signals, which solves the problem that the connector of the filter for suppressing specific frequency signals in the prior art is usually installed with multiple bolts and the filter body. Therefore, when the connector is damaged, it is necessary to use a screwdriver of corresponding model to remove the multiple bolts one by one. Not only is the operation cumbersome, but the connector cannot be replaced without tools, which affects the use of the filter.

[0006] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0007] A filter for suppressing specific frequency signals includes a filter body, wherein both ends of the filter body are provided with grooves, a rotating cylinder is rotatably arranged inside the groove, a groove is provided on one side of the rotating cylinder, and joints are provided on both sides of the filter body, a conductive rod is fixedly provided on one end of the joint close to the rotating cylinder, one end of the conductive rod is plugged into the groove, a through groove is provided at the bottom of the groove, and wires are provided inside the through grooves on both sides, and both ends of the wires on both sides are electrically connected to the corresponding conductive rod and the filter body, a fixing rod is fixedly provided on the upper inner wall of the groove, an arc rod is fixedly provided on the lower side of the fixing rod, and an arc groove is provided on the side wall of the conductive rod, the arc rod and the arc groove are both concentrically arranged with the rotating cylinder, one end of the arc rod is inserted into the arc groove, a rotating rod is rotatably provided at both ends of the front side of the filter body, one end of the rotating rod is fixedly connected to the corresponding rotating cylinder, and a limiting mechanism for limiting the rotation of the two rotating rods is provided on the front side of the filter body.

[0008] Preferably, the limiting mechanism includes a limiting rod and a limiting tube, the outer ends of the two rotating rods are fixedly sleeved with a limiting ring, the limiting tube is fixedly arranged on one side of the limiting ring, two side plates are fixedly arranged in the middle of the front side of the filter body, a threaded rod is rotatably arranged between the two side plates, the rod wall of the threaded rod is threadedly sleeved with a slide, the two limiting rods are inserted into the inside of the corresponding limiting tube, and one end of the two limiting rods is fixedly connected to one end of the corresponding slide.

[0009] Preferably, a sliding rod is fixedly provided between both ends of the two side panels, and both ends of the slide plate are movably connected to the corresponding sliding rod.

[0010] Preferably, a rotating wheel is fixedly sleeved on one end of the threaded rod.

[0011] Preferably, both ends of the lower side of the filter body are arranged in an arc shape.

[0012] Preferably, the side wall of the rotating wheel is provided with protective lines.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] The utility model drives the slide plate to move by rotating the threaded rod, and then drives the limiting rods on both sides to leave the corresponding limiting tubes, thereby releasing the limit of the rotating rod, and then releasing the limit of the rotating column, that is, the rotating column can be rotated to rotate the joint to the bottom of the filter body. During this period, the arc rod is separated from the conductive rod, and the limit of the conductive rod is released, and the conductive rod can be pulled out of the groove, thus completing the disassembly of the joint, making it convenient to replace the joint, and no tools are required, which is easy to operate and saves time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0016] Figure 1 This is a schematic diagram of the structure of a filter for suppressing specific frequency signals proposed by the present invention;

[0017] Figure 2 for Figure 1 Schematic diagram of the internal structure;

[0018] Figure 3 for Figure 2 A three-dimensional view of the rotating column.

[0019] Description of reference numerals:

[0020] 1. Filter body; 2. Connector; 3. Rotating rod; 4. Limiting ring; 5. Limiting tube; 6. Limiting rod; 7. Slide plate; 8. Side plate; 9. Threaded rod; 10. Sliding rod; 11. Rotating column; 12. Conductive rod; 13. Arc rod; 14. Fixed rod; 15. Wire. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0022] An embodiment of the utility model discloses a filter for suppressing specific frequency signals.

[0023] Example 1

[0024] Reference Figure 1-3 A filter for suppressing specific frequency signals includes a filter body 1, both ends of the filter body 1 are provided with grooves, a rotating column 11 is rotatably provided inside the groove, a groove is provided on one side of the rotating column 11, and joints 2 are provided on both sides of the filter body 1, a conductive rod 12 is fixedly provided on one end of the joint 2 close to the rotating column 11, one end of the conductive rod 12 is plugged into the groove, a through groove is provided at the bottom of the groove, and wires 15 are provided inside the through grooves on both sides, and both ends of the wires 15 on both sides are connected to the corresponding conductive rods 12 and the filter The filter body 1 is electrically connected, a fixing rod 14 is fixedly provided on the upper inner wall of the groove, an arc rod 13 is fixedly provided on the lower side of the fixing rod 14, and an arc groove is provided on the side wall of the conductive rod 12. The arc rod 13 and the arc groove are both concentrically arranged with the rotating column 11, and one end of the arc rod 13 is inserted into the arc groove. The front ends of the filter body 1 are rotatably provided with a rotating rod 3, and one end of the rotating rod 3 is fixedly connected to the corresponding rotating column 11. The lower ends of the filter body 1 are both arranged in an arc shape, so that the joint 2 can smoothly follow the rotation of the rotating column 11.

[0025] Example 2

[0026] Reference Figure 1-3The cam 7 is fixed on the front of the filter body 1, and the cam 7 is fixed on the front of the filter body 1. The cam 7 is fixed on the front of the filter body 1, and the cam 7 is fixed on the front of the filter body 1. The cam 7 is fixed on the front of the filter body 1, and the cam 7 is fixed on the front of the filter body 1.

[0027] In the present invention, when in use, the threaded rod 9 is rotated so that the threaded rod 9 drives the slide plate 7 to move, and then the slide plate 7 drives the limiting rods 6 on both sides to leave the corresponding limiting tubes 6, that is, the limitation of the rotating rod 3 is released, and then the limitation of the rotating column 11 is released, that is, the rotating column 11 can be rotated to rotate the joint 2 to the bottom of the filter body 1. During this period, the arc rod 13 is separated from the conductive rod 12, that is, the limitation of the conductive rod 12 is released, that is, the conductive rod 12 can be pulled out of the groove, that is, the disassembly of the joint 2 is completed, and the joint 2 is convenient for replacement without the help of tools, easy to operate, and saves time and effort.

[0028] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A filter for suppressing a specific frequency signal, comprising a filter body (1), characterized in that: Both ends of the filter body (1) are provided with grooves, a rotating column (11) is rotatably provided inside the groove, a groove is provided on one side of the rotating column (11), joints (2) are provided on both sides of the filter body (1), a conductive rod (12) is fixedly provided at one end of the joint (2) close to the rotating column (11), one end of the conductive rod (12) is plugged into the groove, a through groove is provided at the bottom of the groove, a wire (15) is provided inside the through groove on both sides, and both ends of the wire (15) on both sides are electrically connected to the corresponding conductive rod (12) and the filter body (1). A fixing rod (14) is fixedly provided on the upper inner wall of the groove, an arc rod (13) is fixedly provided on the lower side of the fixing rod (14), an arc groove is provided on the side wall of the conductive rod (12), the arc rod (13) and the arc groove are both arranged concentrically with the rotating column (11), one end of the arc rod (13) is inserted into the arc groove, rotating rods (3) are rotatably provided at both ends of the front side of the filter body (1), one end of the rotating rod (3) is fixedly connected to the corresponding rotating column (11), and a limiting mechanism for limiting the rotation of the two rotating rods (3) is provided on the front side of the filter body (1).

2. The filter for suppressing specific frequency signals according to claim 1, wherein: The limiting mechanism comprises a limiting rod (6) and a limiting tube (5); one end of the outer side of the two rotating rods (3) is fixedly sleeved with a limiting ring (4); the limiting tube (5) is fixedly arranged on one side of the limiting ring (4); two side plates (8) are fixedly arranged in the middle of the front side of the filter body (1); a threaded rod (9) is rotatably arranged between the two side plates (8); a slide plate (7) is threadedly sleeved on the rod wall of the threaded rod (9); the two limiting rods (6) are inserted into the interior of the corresponding limiting tube (5); and one end of the two limiting rods (6) is fixedly connected to one end of the corresponding slide plate (7).

3. The filter for suppressing specific frequency signals according to claim 2, wherein: A sliding rod (10) is fixedly provided between the two ends of the two side plates (8), and both ends of the slide plate (7) are movably sleeved with the corresponding sliding rod (10).

4. The filter for suppressing specific frequency signals according to claim 2, wherein: One end of the threaded rod (9) is fixedly sleeved with a rotating wheel.

5. The filter for suppressing specific frequency signals according to claim 1, wherein: Both ends of the lower side of the filter body (1) are arranged in an arc shape.

6. The filter for suppressing specific frequency signals according to claim 4, characterized in that: The side wall of the rotating wheel is provided with protective lines.

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