Band elimination filter

Abstract

The utility model discloses a band elimination filter which comprises a band elimination filter body, a cover plate is arranged on the upper side of the band elimination filter body, an installation unit is arranged on the outer side of the cover plate, a fixing frame is fixedly connected to the outer side of the band elimination filter body, and the installation unit comprises a side plate. The side plates are fixedly connected to the left side and the right side of the cover plate, mounting rods are arranged on the outer sides of the side plates, rectangular grooves are formed in the outer ends of the mounting rods on the left side and the right side, control plates are rotatably connected to the inner sides of the rectangular grooves, rotating blocks are rotatably connected to the outer sides of the lower ends of the control plates, and moving frames are fixedly connected to the outer sides of the rotating blocks. By arranging the cover plate, the side plate, the mounting rod, the control plate, the moving frame, the fixed plate, the top frame and the screw rod, the screw rod is conveniently rotated, the cover plate and the band elimination filter body are controlled to be connected together, later disassembly is facilitated, and maintenance of the band elimination filter body is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of filters, in particular to a band-stop filter. Background Art

[0002] A filter is a frequency-selective device that allows signals within a specific frequency range to pass while suppressing or attenuating signals at other frequencies.

[0003] When the outer shell of the filter is exposed to the outside and damaged, since the outer shell is an integrated structure, it is not easy to disassemble the outer shell when the filter is repaired, which makes the filter repair troublesome and increases the workload of the staff. Utility Model Content

[0004] In order to overcome the disadvantages of the prior art that filters are damaged and difficult to repair, one of the purposes of the utility model is to provide a band-stop filter.

[0005] One of the purposes of the utility model is achieved by the following technical solution: a band-stop filter, comprising a band-stop filter body: a cover plate is arranged on the upper side of the band-stop filter body, a mounting unit is arranged on the outer side of the cover plate, and a fixing frame is fixedly connected to the outer side of the band-stop filter body;

[0006] The mounting unit includes side plates, which are fixedly connected to the left and right sides of the cover plate, mounting rods are arranged on the outer sides of the side plates, rectangular grooves are opened on the outer ends of the mounting rods on the left and right sides, a control plate is rotatably connected to the inner side of the rectangular groove, a rotating block is rotatably connected to the outer side of the lower end of the control plate, a moving frame is fixedly connected to the outer side of the rotating block, a connecting frame is fixedly connected to the upper side of the moving frame, a top frame is fixedly connected to the upper side of the cover plate, a screw is rotatably connected between the top frame and the cover plate, and fixing plates are fixedly connected to the upper sides of the left and right ends of the fixed frame.

[0007] According to the band-stop filter, the screw is threadedly connected to the connection frame, which facilitates controlling the connection frame to move up and down.

[0008] According to the band-stop filter, a rotating cap is fixedly connected to the upper end of the screw rod, so as to facilitate the control of the rotation of the screw rod.

[0009] According to the band-stop filter, the mounting rod is slidably connected to the side plate.

[0010] According to the band-stop filter, a limiting hole adapted to the mounting rod is provided on the outer side of the fixing plate, so as to facilitate controlling the mounting rod to limit the cover plate.

[0011] According to the band-stop filter, the side panel is arranged in an L-shaped structure.

[0012] According to the band-stop filter, the movable frame is slidably connected to the cover plate.

[0013] According to the band-stop filter, a hexagonal groove is formed on the upper side of the rotating cap.

[0014] Beneficial effects:

[0015] By providing a cover plate, a side plate, a mounting rod, a control plate, a movable frame, a fixed plate, a top frame and a screw rod, it is easy to rotate the screw rod, and the control cover plate is connected to the band-stop filter body, which is convenient for later disassembly and maintenance of the band-stop filter body.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0018] Figure 1 This is an overall three-dimensional structural diagram of a band-stop filter of the utility model;

[0019] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0020] Figure 3 This is a three-dimensional structural diagram of a band-stop filter of the utility model from another perspective;

[0021] Figure 4 for Figure 3 Enlarged view of point B in the middle.

[0022] Legend:

[0023] 1. Band-stop filter body; 2. Cover plate; 3. Fixed frame; 4. Mounting unit; 401. Side plate; 402. Mounting rod; 403. Fixed plate; 404. Rectangular groove; 405. Control board; 406. Turn block; 407. Moving frame; 408. Connecting frame; 409. Top frame; 410. Screw; 411. Turn cap; 412. Limiting hole. DETAILED DESCRIPTION

[0024] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0025] Reference Figure 1-4A band-stop filter comprises a band-stop filter body 1: a cover plate 2 is arranged on the upper side of the band-stop filter body 1, a mounting unit 4 is arranged on the outer side of the cover plate 2, and a fixing frame 3 is fixedly connected to the outer side of the band-stop filter body 1.

[0026] The mounting unit 4 includes a side plate 401, which is fixedly connected to the left and right sides of the cover plate 2, a mounting rod 402 is arranged on the outer side of the side plate 401, and the outer ends of the mounting rods 402 on the left and right sides are provided with rectangular grooves 404, the inner side of the rectangular grooves 404 is rotatably connected with a control plate 405, the outer side of the lower end of the control plate 405 is rotatably connected with a rotating block 406, the outer side of the rotating block 406 is fixedly connected with a moving frame 407, the upper side of the moving frame 407 is fixedly connected with a connecting frame 408, the upper side of the cover plate 2 is fixedly connected with a top frame 409, the top frame 409 and the cover plate 2 are rotatably connected with a screw 410, the upper sides of the left and right ends of the fixed frame 3 are fixedly connected with a fixing plate 403, the screw 410 is threadedly connected to the connecting frame 408, and the upper end of the screw 410 is fixedly connected There is a rotating cap 411, the mounting rod 402 is slidably connected to the side plate 401, a limiting hole 412 adapted to the mounting rod 402 is opened on the outer side of the fixed plate 403, the side plate 401 is set as an L-shaped structure, the movable frame 407 is slidably connected to the cover plate 2, and a hexagonal groove is opened on the upper side of the rotating cap 411. When the cover plate 2 is disassembled, the rotating cap 411 is rotated to control the screw rod 410 to rotate, the screw rod 410 drives the connecting frame 408 to descend, the connecting frame 408 drives the movable frame 407 to descend, the movable frame 407 drives the control board 405 to rotate, and the control board 405 drives the mounting rod 402 to move, so that the mounting rod 402 is separated from the fixed plate 403, so as to quickly remove the cover plate 2 from the band-stop filter body 1, and facilitate the later maintenance of the band-stop filter body 1.

[0027] Working principle: When in use, the staff rotates the rotating cap 411, and the rotating cap 411 drives the screw 410 to rotate. Under the action of the connecting frame 408 and the moving frame 407, the control board 405 rotates, and the control board 405 drives the installation rod 402 to move, so that the installation rod 402 is separated from the fixed plate 403, and the cover plate 2 can be quickly removed, so as to facilitate the maintenance of the interior of the band-stop filter body 1.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A band-stop filter, characterized in that: It comprises a band-stop filter body (1): a cover plate (2) is arranged on the upper side of the band-stop filter body (1), a mounting unit (4) is arranged on the outer side of the cover plate (2), and a fixing frame (3) is fixedly connected to the outer side of the band-stop filter body (1); The mounting unit (4) comprises a side plate (401), wherein the side plate (401) is fixedly connected to the left and right sides of the cover plate (2), a mounting rod (402) is arranged on the outer side of the side plate (401), and the outer ends of the mounting rods (402) on the left and right sides are provided with rectangular grooves (404), a control plate (405) is rotatably connected to the inner side of the rectangular groove (404), a rotating block (406) is rotatably connected to the outer side of the lower end of the control plate (405), a moving frame (407) is fixedly connected to the outer side of the rotating block (406), and a connecting frame (408) is fixedly connected to the upper side of the moving frame (407), a top frame (409) is fixedly connected to the upper side of the cover plate (2), a screw rod (410) is rotatably connected between the top frame (409) and the cover plate (2), and a fixing plate (403) is fixedly connected to the upper sides of the left and right ends of the fixing frame (3).

2. A band-stop filter according to claim 1, characterized in that: The screw rod (410) is threadedly connected to the connection frame (408).

3. A band-stop filter according to claim 1, characterized in that: The upper end of the screw rod (410) is fixedly connected with a rotating cap (411).

4. A band-stop filter according to claim 1, characterized in that: The mounting rod (402) is slidably connected to the side plate (401).

5. A band-stop filter according to claim 1, characterized in that: The outer side of the fixing plate (403) is provided with a limiting hole (412) adapted to the mounting rod (402).

6. A band-stop filter according to claim 1, characterized in that: The side plate (401) is arranged in an L-shaped structure.

7. A band-stop filter according to claim 1, characterized in that: The movable frame (407) is slidably connected to the cover plate (2).

8. A band-stop filter according to claim 3, characterized in that: A hexagonal groove is formed on the upper side of the rotating cap (411).

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