High-temperature-resistant plastic filter

Abstract

The utility model discloses a high-temperature resistant plastic filter, which relates to the technical field of filters and comprises a filter assembly and a wire holder fixedly connected to the outer surface of the filter assembly, plastic partition plates are arranged outside and between the wire holder, and the upper surface of the wire holder extends to the inside and is in threaded connection with a fixing screw. A bottom sheet is fixedly connected to the inner bottom of the wire holder, a protective plate is rotatably connected to the upper surface of the plastic partition plate, a wire hole is formed in the outer surface of the protective plate, and an extension plate cover is arranged outside the wire hole. Compared with an existing common plastic filter, the high-temperature-resistant plastic filter has the advantages that when the high-temperature-resistant plastic filter is used, a wire body can be placed in the wire holder, the end of the wire body can be fixed together with the fixing screw by screwing down a bottom sheet at the bottom of the fixing screw, and the extension plate cover can rotatably cover the wire holder and a wiring position; therefore, external factors are prevented from influencing normal operation of the filter assembly, and external substances can be effectively prevented from being overlapped at the wiring position.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a high-temperature resistant plastic filter. Background Art

[0002] The power filter is a filter circuit composed of capacitors, inductors and resistors. The filter can effectively filter out a specific frequency point in the power line or frequencies other than the frequency point to obtain a power signal with a specific frequency, or eliminate a power signal with a specific frequency.

[0003] For example, the application number is 201920768914.0, which is a new type of high temperature resistant plastic filter. This utility model facilitates the disassembly and assembly of the plastic filter and makes the plastic filter have good heat dissipation performance. However, the device is to better protect the wiring of the filter component, and external factors can easily affect the wiring.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a high temperature resistant plastic filter is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a high temperature resistant plastic filter to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-temperature resistant plastic filter, comprising a filter assembly and a terminal block fixedly connected to the outer surface of the filter assembly, plastic partitions are arranged on the outside and between the terminal blocks, the upper surface of the terminal block extends to the inside and is threadedly connected with a fixing screw, and the inner bottom of the terminal block is fixedly connected with a bottom film.

[0007] Preferably, a guard plate is rotatably connected to the upper surface of the plastic partition, a wire hole is opened on the outer surface of the guard plate, and an extension plate cover is arranged outside the wire hole.

[0008] Preferably, a mounting plate is fixedly connected to the lower side of the outer surface of the filter assembly, and a quick-release plate is screwed to the lower surface of the mounting plate.

[0009] Preferably, slide plates are provided on the outer surfaces of both sides of the quick-release plate, and shift blocks are fixedly connected to the outer surfaces of the slide plates.

[0010] Preferably, an outer surface of one end of the slide plate extends to the inside of the quick-release plate and is fixedly connected to a buckle rod, and an outer surface of the buckle rod is fixedly connected to a locking spring.

[0011] Preferably, an aluminum cover is fixedly connected to the upper surface of the filter assembly, and a plurality of fins are fixedly connected to the upper surface of the aluminum cover.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model places the wire body inside the wire seat through the arrangement of the filter assembly, the wire seat, the plastic partition, the guard plate, the wire hole, the extension plate cover, the fixing screws, and the bottom film. When the fixing screws are tightened, the bottom bottom film can fix the wire body end together with the fixing screws. The plastic partition can provide the insulation requirements between the wire seats. The extension plate cover can rotate to cover the wire seat and the wiring place to prevent external factors from affecting the normal operation of the filter assembly. This design can effectively prevent foreign substances from being attached to the wiring place;

[0014] 2. The utility model is provided with a mounting plate, a quick-release plate, a slide plate, a shifting block, a buckle rod, and a locking spring. When installing the filter assembly, the operating and maintenance personnel can first fix the quick-release plate to the mounting plate on the filter assembly by screws, and the shifting block can drive the slide plate and the buckle rod to slide, compress the locking spring, and clamp the buckle rod in the mounting bar hole of the installed cabinet. The locking spring is reset to realize the fixing function. When disassembling, the shifting block and the slide plate can be similarly shifted to realize the disassembly function. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 A schematic diagram of a partially cutaway three-dimensional structure;

[0017] Figure 3 For this utility model Figure 2 A schematic diagram of a three-dimensional structure viewed from above;

[0018] Figure 4 For this utility model Figure 2 A schematic diagram of the cross-sectional structure of the bottom view.

[0019] In the figure: 1. filter assembly; 2. terminal block; 3. plastic partition; 31. guard plate; 32. wire hole; 33. extension plate cover; 4. fixing screws; 5. bottom film; 6. mounting plate; 7. quick release plate; 8. slide plate; 81. shift block; 9. buckle rod; 10. locking spring; 11. aluminum cover; 12. fin. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] like Figure 1-Figure 3 As shown, a high-temperature resistant plastic filter comprises a filter component 1 and a terminal block 2 fixedly connected to the outer surface of the filter component 1, a plastic partition 3 is arranged on the outside and between the terminal blocks 2, the upper surface of the terminal block 2 extends to the inside and is threadedly connected with a fixing screw 4, and the inner bottom of the terminal block 2 is fixedly connected with a bottom film 5, the interior of the terminal block 2 is hollow, and the overall shape is square, the number of terminal blocks 2 is two groups, one group is three, the upper surface of the bottom film 5 is concave, and the material is conductive material, the upper surface of the plastic partition 3 is rotatably connected with a guard plate 31, the outer surface of the guard plate 31 is provided with a wire hole 32, and the outside of the wire hole 32 is provided with an extension plate cover 33, the wire body is placed inside the terminal block 2, when the fixing screw 4 is tightened, the bottom bottom film 5 can fix the wire body end together with the fixing screw 4, the plastic partition 3 can provide insulation requirements between the terminal blocks 2, and the extension plate cover 33 can rotatably cover the terminal block 2 and the wiring point to prevent external factors from affecting the normal operation of the filter component 1.

[0022] like Figure 2-Figure 4 As shown, a mounting plate 6 is fixedly connected to the lower side of the outer surface of the filter assembly 1, a quick release plate 7 is screwed to the lower surface of the mounting plate 6, and a screw slot hole for screwing the mounting plate 6 is provided on the upper surface of the quick release plate 7.

[0023] Furthermore, slide plates 8 are provided on the outer surfaces of both sides of the quick release plate 7 , and shift blocks 81 are fixedly connected to the outer surfaces of the slide plates 8 . The slide plates 8 are slidably connected to the outer surfaces of the quick release plate 7 .

[0024] Furthermore, the outer surface of one end of the slide plate 8 extends to the interior of the quick-release plate 7 and is fixedly connected to a buckle rod 9, and the outer surface of the buckle rod 9 is fixedly connected to a locking spring 10. The filter assembly 1 is usually installed in a mounting hole inside the cabinet, and the mounting hole is usually designed as a long oval strip. The buckle rod 9 can be snapped into the mounting hole, and the buckle rod 9 is designed in an L shape.

[0025] Furthermore, an aluminum cover 11 is fixedly connected to the upper surface of the filter assembly 1, and a plurality of fins 12 are fixedly connected to the upper surface of the aluminum cover 11. The fins 12 are made of aluminum. The aluminum cover 11 and the fins 12 can provide better heat dissipation function for the interior of the plastic filter assembly 1, thereby realizing the function of outdoor high temperature resistance.

[0026] Working principle: When using the high-temperature resistant plastic filter, first, place the wire body inside the terminal block 2. When tightening the fixing screw 4, the bottom base film 5 can fix the wire body end together with the fixing screw 4. The plastic partition 3 can provide the insulation requirements between the terminal blocks 2. The extension plate cover 33 can rotate to cover the terminal block 2 and the wiring point to prevent external factors from affecting the normal operation of the filter assembly 1. When installing the filter assembly 1, the operating and maintenance personnel can first fix the quick-release plate 7 to the mounting plate 6 on the filter assembly 1 with screws. Turning the dial block 81 can drive the slide plate 8 and the buckle rod 9 to slide, compress the locking spring 10, and clamp the buckle rod 9 in the mounting bar hole of the installed cabinet. The locking spring 10 is reset to realize the fixing function. When disassembling, the dial block 81 and the slide plate 8 can be turned to realize the disassembly function. This is the working principle of the high-temperature resistant plastic filter.

Claims

1. A high temperature resistant plastic filter, comprising a filter assembly (1) and a terminal block (2) fixedly connected to the outer surface of the filter assembly (1), characterized in that: Plastic partitions (3) are provided on the outside and between the wiring base (2); the upper surface of the wiring base (2) extends to the inside and is threadedly connected to a fixing screw (4); the inner bottom of the wiring base (2) is fixedly connected to a bottom plate (5); the lower side of the outer surface of the filter assembly (1) is fixedly connected to a mounting plate (6); the lower surface of the mounting plate (6) is screwed to a quick-release plate (7); the outer surfaces of both sides of the quick-release plate (7) are provided with slide plates (8); the outer surface of the slide plate (8) is fixedly connected to a shifting block (81); the outer surface of one end of the slide plate (8) extends to the inside of the quick-release plate (7) and is fixedly connected to a buckle rod (9); the outer surface of the buckle rod (9) is fixedly connected to a locking spring (10).

2. A high temperature resistant plastic filter according to claim 1, characterized in that: The upper surface of the plastic partition (3) is rotatably connected to a guard plate (31), the outer surface of the guard plate (31) is provided with a wire hole (32), and an extension plate cover (33) is arranged outside the wire hole (32).

3. A high temperature resistant plastic filter according to claim 1, characterized in that: An aluminum cover (11) is fixedly connected to the upper surface of the filter assembly (1), and a plurality of fins (12) are fixedly connected to the upper surface of the aluminum cover (11).

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