CN209823717U

CN209823717U - Anti-interference combined filter

Info

Publication number: CN209823717U
Application number: CN201920829439.3U
Authority: CN
Inventors: 陈民
Original assignee: Suzhou Siyuan Communication Technology Co Ltd
Current assignee: Suzhou Siyuan Communication Technology Co Ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2019-12-20
Anticipated expiration: 2029-06-04

Abstract

The utility model relates to the technical field of filters, in particular to an anti-interference combined filter, which solves the defects of complex fixing mode and time and labor consumption caused by pulling four groups of inverted L-shaped plates when each filter is fixed in the prior art, and comprises a first filter, a second filter and a third filter, wherein the bottoms of the first filter, the second filter and the third filter are provided with a same filter mounting plate, anti-interference expansion plates are fixedly arranged around the top of the filter mounting plate, three electric splicing sheets are fixedly arranged at the bottom of the filter mounting plate, a plurality of three splicing ports are arranged at the top of the three electric splicing sheets, and three splicing heads are fixedly arranged at the bottoms of the first filter, the second filter and the third filter, time and labor saving, simple structure and convenient use.

Description

Anti-interference combined filter

Technical Field

The utility model relates to a wave filter technical field especially relates to an anti-interference combined filter.

Background

The power filter is a filter circuit consisting of a capacitor, an inductor and a resistor, and can effectively filter a frequency point of a specific frequency in a power line or frequencies except the frequency point to obtain a power signal of the specific frequency or eliminate the power signal of the specific frequency.

Through search, the patent document with application number 201720161643.3 discloses an anti-interference combined filter, which comprises a filter mounting plate and a plurality of groups of plug-in filters, wherein the filter mounting plate is composed of two groups of buckling plates which are symmetrically clamped with each other, a notch is arranged between the two groups of buckling plates, a plurality of groups of mounting grooves are fixedly arranged on the upper surface of the filter mounting plate, three plug-in ports are arranged in the mounting grooves, the three plug-in ports are electrically connected with a circuit board through leads, and the circuit board is electrically connected with three plug-in electrical splicing sheets on the lower surface of the filter mounting plate through leads, the structure of the utility model can conveniently combine a plurality of groups of plug-in filters by arranging the filter mounting plate structure and then arranging a plurality of groups of plug-in filters on the filter mounting plate, thereby saving the plug-in structure and the equipment mounting space, and the arranged anti-, the fixing jacket is convenient to fix through adjustment.

However, when the filter is fixed, the fixing jacket needs to be used, each fixing jacket consists of four groups of inverted L-shaped plates, a pin rod and a torsion spring, and when each filter is fixed, the four groups of inverted L-shaped plates need to be pulled, so that the fixing mode is complicated, time-consuming and labor-consuming, and an anti-interference combined filter is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having each wave filter among the prior art when fixed, all need pull four group's fall L shaped plates, fixed mode is loaded down with trivial details, shortcoming that wastes time and energy, and the anti-interference combination filter who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an anti-interference combined filter comprises a first filter, a second filter and a third filter, wherein the bottom of the first filter, the bottom of the second filter and the bottom of the third filter are provided with a same filter mounting plate, the periphery of the top of the filter mounting plate is fixedly provided with anti-interference expansion plates, the bottom of the filter mounting plate is fixedly provided with three plug-in electric connection pieces, the top of each of the three plug-in electric connection pieces is provided with a plurality of three plug-in ports, the bottoms of the first filter, the second filter and the third filter are fixedly provided with three plug-in connectors, the three plug-in connectors are plugged with the three plug-in ports, the two sides of the first filter, the second filter and the third filter are respectively and fixedly provided with a first fixed block and a second fixed block, the bottoms of the three first fixed blocks are respectively provided with a fixed groove with one side provided with an opening, and the, the anti-interference expansion plates that two symmetries set up all rotate one side that is close to each other and install the rotor plate, and the bottom of one rotor plate in two rotor plates contacts with the top of the first fixed block on the first wave filter, and the bottom of another rotor plate in two rotor plates contacts with the top of the second fixed block on the third wave filter.

Preferably, all seted up the slide opening on two rotor plates, equal slidable mounting has the kelly in two slide openings, and the equal fixed mounting in one side that two kellies are close to each other draws the piece, draws and all is equipped with the breach on the piece for two.

Preferably, the clamping grooves are formed in the side, close to each other, of each of the two anti-interference expansion plates, and one ends, far away from each other, of the two clamping rods are clamped with the two clamping grooves respectively.

Preferably, the inner walls of the tops of the two sliding holes are provided with spring grooves, the tops of the two clamping rods are fixedly provided with moving blocks, and the two moving blocks are respectively connected with the side walls of the two spring grooves in a sliding mode.

Preferably, one end of each spring is fixedly mounted on one side, close to each other, of each moving block, and the other end of each spring is welded to the inner wall, close to each other, of each spring groove.

Preferably, the filter mounting plate is provided with a circuit board, and the three-plug interface and the three-plug electric splicing sheet are electrically connected with the circuit board through leads.

The utility model has the advantages that:

1. in the utility model, when in use, the three connectors on the first filter, the second filter and the third filter are clamped into the three insertion ports, and at the moment, the fixing grooves of the second fixing block are clamped;

2. then, the two rotating plates are rotated to enable the bottoms of the two rotating plates to be respectively contacted with the tops of a first fixed block on the first filter and a second fixed block on the third filter, so that the two clamping rods are respectively clamped into the two clamping grooves, and the two rotating plates are fixed and cannot rotate, so that the two rotating plates stably press the first fixed block and the second fixed block, and the first filter, the second filter and the third filter are combined and fixed;

3. the utility model discloses be convenient for make up fixedly to first wave filter, second wave filter and third wave filter, labour saving and time saving, simple structure, convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of an anti-interference combined filter provided by the present invention;

fig. 2 is a schematic structural diagram of a portion a of an anti-interference combined filter according to the present invention;

fig. 3 is the utility model provides a three-dimensional structure schematic diagram of first fixed block of anti-interference combined filter.

In the figure: the filter comprises a first filter 1, a second filter 2, a third filter 3, a filter mounting plate 4, three plug connectors 5, three plug ports 6, three plug electric connecting pieces 7, an anti-interference expansion plate 8, a first fixing block 9, a second fixing block 10, a fixing groove 11, a rotating plate 12, a sliding hole 13, a clamping rod 14, a clamping groove 15, a pulling block 16, a spring groove 17, a moving block 18 and a spring 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an anti-interference combined filter comprises a first filter 1, a second filter 2 and a third filter 3, wherein the same filter mounting plate 4 is installed at the bottom of the first filter 1, the bottom of the second filter 2 and the bottom of the third filter 3, anti-interference expansion plates 8 are fixedly installed around the top of the filter mounting plate 4, the anti-interference expansion plates 8 adopt anti-interference expansion plates proposed in the patent document with the application number of 201720161643.3, anti-interference magnetic cores are arranged on the anti-interference expansion plates 8, the first filter 1, the second filter 2 and the third filter 3 are surrounded in the middle by four anti-interference expansion plates 8 and are separated from other equipment, three plug-in electric connection pieces 7 are fixedly installed at the bottom of the filter mounting plate 4, a plurality of three plug-in ports 6 are arranged at the top of the three plug-in electric connection pieces, three plug-in connectors 5 are fixedly installed at the bottoms of the first filter 1, the second filter 2, the three inserting-connecting heads 5 are inserted into the three inserting-connecting ports 6, the two sides of the first filter 1, the second filter 2 and the third filter 3 are respectively and fixedly provided with a first fixed block 9 and a second fixed block 10, the bottoms of the three first fixed blocks 9 are respectively provided with a fixed groove 11 with one side provided with an opening, the second fixed block 10 is clamped with the corresponding fixed groove 11, the mutually adjacent sides of the two symmetrically arranged anti-interference expansion plates 8 are respectively and rotatably provided with a rotating plate 12, the bottom of one rotating plate 12 of the two rotating plates 12 is contacted with the top of the first fixed block 9 on the first filter 1, the bottom of the other rotating plate 12 of the two rotating plates 12 is contacted with the top of the second fixed block 10 on the third filter 3, the three inserting-connecting heads 5 on the first filter 1, the second filter 2 and the third filter 3 are clamped into the three inserting-connecting ports 6, and the fixed grooves 11 of the second fixed block 10 are clamped, then rotate two rotor plates 12, make the bottom of two rotor plates 12 contact with the top of the first fixed block 9 on the first wave filter 1 and the second fixed block 10 on the third wave filter 3 respectively, make two kellies 14 clamp respectively to two draw-in grooves 15 in, the position of two rotor plates 12 is fixed this moment, unable rotation to make two rotor plates 12 firm push down first fixed block 9 and second fixed block 10, it is fixed to accomplish the combination to first wave filter 1, second wave filter 2 and third wave filter 3, the utility model discloses be convenient for make up fixedly to first wave filter 1, second wave filter 2 and third wave filter 3, labour saving and time saving, simple structure, convenient to use.

In this embodiment, two rotating plates 12 are both provided with sliding holes 13, two sliding holes 13 are both slidably provided with clamping rods 14, one side of each clamping rod 14 close to each other is fixedly provided with a pulling block 16, each pulling block 16 is provided with a notch, one side of each anti-interference retractable plate 8 close to each other is provided with a clamping groove 15, one end of each clamping rod 14 far away from each other is respectively clamped with the two clamping grooves 15, the inner walls of the tops of the two sliding holes 13 are both provided with spring grooves 17, the tops of the two clamping rods 14 are both fixedly provided with moving blocks 18, the two moving blocks 18 are respectively slidably connected with the side walls of the two spring grooves 17, one side of each moving block 18 close to each other is fixedly provided with one end of a spring 19, the other ends of the two springs 19 are respectively welded with the inner walls of one side of each spring groove 17 close to each other, the springs 19 are used for fixing the positions of the clamping rods 14, if the clamping rod 14 needs to move, an external force is needed to deform the spring 19, the filter mounting plate 4 is provided with a circuit board, the three insertion ports 6 and the three insertion electric connection pieces 7 are electrically connected with the circuit board through conducting wires, the three insertion connectors 5 on the first filter 1, the second filter 2 and the third filter 3 are clamped in the three insertion ports 6, at the moment, the fixing grooves 11 of the second fixing block 10 are clamped, then the two rotating plates 12 are rotated, the bottoms of the two rotating plates 12 are respectively contacted with the top of the first fixing block 9 on the first filter 1 and the top of the second fixing block 10 on the third filter 3, the two clamping rods 14 are respectively clamped in the two clamping grooves 15, at the moment, the positions of the two rotating plates 12 are fixed and cannot rotate, so that the two rotating plates 12 stably press the first fixing block 9 and the second fixing block 10, and the combined fixing of the first filter 1, the second filter 2 and the third filter 3 is completed, the utility model discloses be convenient for make up fixedly to first wave filter 1, second wave filter 2 and third wave filter 3, labour saving and time saving, simple structure, convenient to use.

In this embodiment, when in use, the first filter 1, the second filter 2 and the third plug 5 on the third filter 3 are clamped into the third socket 6, the third plug 5 is electrically connected to the circuit board through the third socket 6, the second fixing block 10 on the first filter 1 is clamped to the fixing groove 11 on the second filter 2, the second fixing block 10 on the second filter 2 is clamped to the fixing groove 11 on the third filter 3, the two pulling blocks 16 are pulled upwards, the two pulling blocks 16 pull the two clamping rods 14 to move, the two clamping rods 14 drive the two moving blocks 18 to compress the two springs 19, then the two rotating plates 12 are rotated to make the bottoms of the two rotating plates 12 respectively contact with the top of the first fixing block 9 on the first filter 1 and the top of the second fixing block 10 on the third filter 3, then the two pulling blocks 16 are released, and the two springs 19 are restored, thereby make two kellies 14 keep away from each other, make two kellies 14 clamp respectively and adorn in two draw-in grooves 15, the position of two rotor plates 12 is fixed this moment, unable rotation, thereby make two rotor plates 12 firm first fixed block 9 and the second fixed block 10 of pushing down, the completion is fixed the combination of first wave filter 1, second wave filter 2 and third wave filter 3, also can increase the quantity of wave filter as required, but when fixed, still only need fixed first fixed block 9 and a second fixed block 10, it is very convenient.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an anti-interference combined filter, includes first wave filter (1), second wave filter (2) and third wave filter (3), same wave filter mounting panel (4) is installed to the bottom of first wave filter (1), second wave filter (2) and third wave filter (3), equal fixed mounting has anti-interference expansion plate (8) all around the top of wave filter mounting panel (4), and the bottom fixed mounting of wave filter mounting panel (4) has three to insert electric splicing (7), its characterized in that, the top that three were inserted electric splicing is equipped with a plurality of three interfaces (6), and the equal fixed mounting in bottom of first wave filter (1), second wave filter (2) and third wave filter (3) has three bayonet joint (5), and three bayonet joint (5) are pegged graft mutually with three interfaces (6), the both sides of first wave filter (1), second wave filter (2) and third wave filter (3) are fixed mounting respectively first fixed block (9) and second fixed block (3) and third wave filter (3) (10) The utility model discloses a filter, one side is established to open-ended fixed slot (11) to the bottom of three first fixed block (9) all seted up, second fixed block (10) and corresponding fixed slot (11) looks clamping, the equal rotation in one side that anti-interference expansion plate (8) that two symmetries set up are close to each other installs rotor plate (12), the bottom of one rotor plate (12) in two rotor plates (12) contacts with the top of first fixed block (9) on first wave filter (1), the bottom of another rotor plate (12) in two rotor plates (12) contacts with the top of second fixed block (10) on third wave filter (3).

2. The anti-interference combined filter according to claim 1, wherein the two rotating plates (12) are respectively provided with a sliding hole (13), the two sliding holes (13) are respectively and slidably provided with a clamping rod (14), one side of each clamping rod (14) close to each other is fixedly provided with a pulling block (16), and the two pulling blocks (16) are respectively provided with a notch.

3. The combined antijamming filter according to claim 1, wherein the two antijamming expansion plates (8) are provided with clamping grooves (15) on the sides close to each other, and the ends far away from each other of the two clamping rods (14) are respectively clamped with the two clamping grooves (15).

4. The anti-interference combined filter according to claim 2, wherein the inner walls of the tops of the two sliding holes (13) are respectively provided with a spring groove (17), the tops of the two clamping rods (14) are respectively and fixedly provided with a moving block (18), and the two moving blocks (18) are respectively and slidably connected with the side walls of the two spring grooves (17).

5. The combined antijamming filter according to claim 1, wherein one end of the spring (19) is fixedly mounted on each side of the two moving blocks (18) close to each other, and the other ends of the two springs (19) are respectively welded to the inner walls of the sides of the two spring grooves (17) close to each other.

6. The anti-interference combined filter according to claim 1, wherein the filter mounting plate (4) is provided with a circuit board, and the three-plug port (6) and the three-plug electrical contact (7) are electrically connected to the circuit board through wires.