CN210491532U

CN210491532U - Non-reflection low-pass filter

Info

Publication number: CN210491532U
Application number: CN201921429336.4U
Authority: CN
Inventors: 全志刚
Original assignee: Shenzhen Hongfusheng Technology Co ltd
Current assignee: Shenzhen Hongfusheng Technology Co ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-05-08
Anticipated expiration: 2029-08-28

Abstract

The utility model discloses a there is not low pass filter of reflection, comprises a box bod, the equal fixed mounting of front surface and the rear surface of box body has the dust screen, and the inside embedding slidable mounting in one side of box body has the filter body, a side surface of box body is close to the front and back position department of filter body and has all seted up the slot, the condenser pipe is installed in the even level embedding in inside of slot. The utility model relates to a wave filter technical field, this no reflection low pass filter, it has two locating pieces corresponding with L shape locating plate to slide to imbed through one side upper surface symmetry of box body, the logical groove with locating piece assorted is seted up to the one end upper surface of two L shape locating plates, when installing the wave filter body, can utilize the elasticity of first spring and second spring to make the locating piece block card to the logical groove on the L shape locating plate, traditional screw fixation mode has been replaced, the time of installation or dismantlement to the wave filter body has been saved, and the work efficiency is improved.

Description

Non-reflection low-pass filter

Technical Field

The utility model relates to a wave filter technical field specifically is a no reflection low pass filter.

Background

The filter is a filter circuit composed of a capacitor, an inductor and a resistor, the filter can effectively filter a frequency point of a specific frequency in a power line or frequencies except the frequency point to obtain a power supply signal of the specific frequency or eliminate the power supply signal of the specific frequency, the filter is used as a key device in an electronic signal processing system and has the functions of passing a useful signal and inhibiting an interference signal, and in the circuit design, after an amplifier is generally transmitted, in order to improve the working effect of the filter, a non-reflection low-pass filter is added to inhibit double-frequency harmonic waves and triple-frequency harmonic waves of the transmission amplifier.

However, the existing non-reflective low-pass filter still has some defects in the using process, the existing non-reflective low-pass filter is fixed by screws during installation, so that the installation or the disassembly is very troublesome, and the working effect of the non-reflective low-pass filter is affected due to poor heat dissipation capability during working.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a no reflection low pass filter has solved current no reflection low pass filter and has all fixed through the screw when the installation, therefore the trouble very when installation or dismantlement, and no reflection low pass filter at the during operation, poor problem of heat-sinking capability.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a no reflection low pass filter, includes the box body, the equal fixed mounting of front surface and the rear surface of box body has the dust screen, and the inside embedding slidable mounting in one side of box body has the filter body, the slot has all been seted up to the position department around the side surface of box body is close to the filter body, the condenser pipe is installed in the even horizontal embedding in inside of slot, the one end fixedly connected with fixed plate of condenser pipe, two L shape locating plates are installed to a side surface symmetry of filter body, one side surface symmetry embedding of box body slides has two locating pieces corresponding with L shape locating plate, two the logical groove with locating piece assorted has been seted up to the one end upper surface of L shape locating plate, it cup joints slidable mounting in the upper end surface of locating piece to lead to the groove, the inside slidable mounting of opposite side of.

Preferably, the lower position department that the front and back surface of box body is close to the dust screen all is provided with the mounting panel, first bolt is installed in the equal embedding of both sides upper surface of mounting panel.

Preferably, a groove matched with the through groove is formed in the upper surface of one side of the box body, a first spring is fixedly connected to the lower end of the positioning block, and the lower end of the first spring is fixedly connected with the upper surface of the inner portion of the groove.

Preferably, one side of the rubber pad is evenly connected with a second spring, and one end of the second spring is fixedly connected with one side face of the inner part of the box body.

Preferably, the fixing plate is fixedly connected with one side surface of the box body through a second bolt.

Preferably, the surface of condenser pipe evenly cup joints and installs the snap ring, be connected with the bracing piece between the snap ring perpendicularly, the inside of condenser pipe is provided with the comdenstion water.

Advantageous effects

The utility model provides a no reflection low pass filter compares with prior art and possesses following beneficial effect:

(1) this no reflection low pass filter, install two L shape locating plates through one side surface symmetry of filter body, one side upper surface symmetry embedding of box body slides has two and the corresponding locating piece of L shape locating plate, the logical groove with locating piece assorted is seted up to the one end upper surface of two L shape locating plates, when installing the filter body, can utilize the elasticity of first spring and second spring to make the locating piece block card to the logical groove on the L shape locating plate, traditional screw fixation mode has been replaced, the time to the installation of filter body or dismantlement has been saved, and the work efficiency is improved.

(2) This no reflection low pass filter, there is the filter body through the inside embedding slidable mounting in one side of box body, the slot has all been seted up to the front and back position department that one side surface of box body is close to the filter body, the condenser pipe is installed in the even horizontal embedding in inside of slot, when the filter body at the during operation, dust screen and condenser pipe can play fine dustproof and radiating effect to the filter body, have played the guard action to the filter body, the device structural design is reasonable, the life of filter body has been prolonged.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is an internal schematic view of the box structure of the present invention;

fig. 3 is an installation schematic diagram of the condensation tube structure of the present invention.

In the figure: the filter comprises a box body 1, a mounting plate 101, a first bolt 102, a groove 103, a dust screen 2, a filter body 3, a 4-slot condenser pipe 5, a 51-clamping ring, a 52-supporting rod, a 6-fixing plate, a second bolt 61, a 7L-shaped positioning plate, an 8-positioning block, a first spring 81, a through groove 9, a rubber pad 10 and a second spring 1001.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a non-reflection low-pass filter comprises a box body 1, mounting plates 101 are arranged on the front surface and the rear surface of the box body 1 close to the lower position of a dustproof net 2, first bolts 102 are embedded and mounted on the upper surfaces of two sides of each mounting plate 101, the box body 1 can be fixed at a required position by the first bolts 102, dustproof nets 2 are fixedly mounted on the front surface and the rear surface of the box body 1, a filter body 3 is embedded and slidably mounted in one side of the box body 1, slots 4 are formed in the positions, close to the front and rear sides of the filter body 3, on the surface of one side of the box body 1, condensation pipes 5 are uniformly embedded and mounted in the slots 4, snap rings 51 are uniformly sleeved and mounted on the outer surfaces of the condensation pipes 5, supporting rods 52 are vertically connected between the snap rings 51, condensation water is arranged in the condensation pipes 5, the snap rings 51 and the supporting rods 52 play a supporting and stabilizing role on, the fixing plate 6 is fixedly connected with one side surface of the box body 1 through a second bolt 61, so that the condensation pipe 5 is conveniently fixed inside the box body 1, two L-shaped positioning plates 7 are symmetrically arranged on one side surface of the filter body 3, two positioning blocks 8 corresponding to the L-shaped positioning plates 7 are symmetrically embedded and slid on one side surface of the box body 1, through grooves 9 matched with the positioning blocks 8 are formed in the upper surfaces of one ends of the two L-shaped positioning plates 7, the through grooves 9 are sleeved and slidably arranged on the outer surfaces of the upper ends of the positioning blocks 8, rubber pads 10 are slidably arranged inside the other side of the box body 1, grooves 103 matched with the through grooves 9 are formed in the upper surface of one side of the box body 1, first springs 81 are fixedly connected to the lower ends of the positioning blocks 8, the lower ends of the first springs 81 are fixedly connected with the upper surfaces inside the grooves 103, second springs 1001 are uniformly connected to one side of, under the elasticity of first spring 81, through pressing down locating piece 8, make things convenient for locating piece 8 to block into logical groove 9 to accomplish the installation to filter body 3, when dismantling filter body 3, make locating piece 8 break away from in logical groove 9, second spring 1001 can make filter body 3 pop out, convenient dismantlement to filter body 3, and the content that does not describe in detail in this specification all belongs to the prior art that skilled person knows simultaneously.

When the filter body 3 is detached, the positioning block 8 is pressed to be separated from the through groove 9 on the L-shaped positioning plate 7 by pressing the positioning block 8 when the through groove 9 on the L-shaped positioning plate 7 passes through the positioning block 8, the positioning block 8 is clamped into the through groove 9 by the first spring 81 so as to fix the filter body 3, the positioning block 8 is pressed by the second spring 1001 so that the rubber pad 10 pops the filter body 3 out of the box body 1 under the elasticity of the second spring 1001, then the filter body 3 is taken out, and when the filter body 3 works, the dust screen 2 plays a role in heat dissipation on the filter body 3, simultaneously, the ventilation effect is played to filter body 3, and at filter body 3 during operation, can insert box body 1 from slot 4 with condenser pipe 5, then fix fixed plate 6 on condenser pipe 5 on box body 1 through second bolt 61, fix condenser pipe 5 in box body 1, under the support of bracing piece 52, make each snap ring 51 play the firm effect of support to each condenser pipe 5, because be provided with the comdenstion water in the condenser pipe 5, consequently, the water-cooling heat dissipation effect has been played filter body 3, and the radiating effect is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A reflectionless low-pass filter comprising a housing (1), characterized in that: the filter comprises a box body (1), wherein dust screens (2) are fixedly arranged on the front surface and the rear surface of the box body (1), a filter body (3) is embedded and slidably arranged in one side of the box body (1), slots (4) are formed in positions, close to the front and rear positions of the filter body (3), on the surface of one side of the box body (1), condenser pipes (5) are uniformly and horizontally embedded and arranged in the slots (4), a fixing plate (6) is fixedly connected with one ends of the condenser pipes (5), two L-shaped positioning plates (7) are symmetrically arranged on the surface of one side of the filter body (3), two positioning blocks (8) corresponding to the L-shaped positioning plates (7) are symmetrically embedded and slidably arranged on the upper surface of one side of the box body (1), through grooves (9) matched with the positioning blocks (8) are formed in the upper surface of one end of the two L-shaped positioning plates (7), and are sleeved and slidably, a rubber pad (10) is slidably mounted in the other side of the box body (1).

2. A reflectionless low-pass filter as claimed in claim 1, characterized in that: the dust screen box is characterized in that mounting plates (101) are arranged at positions, close to the dust screen (2), of the front surface and the rear surface of the box body (1), and first bolts (102) are embedded into the upper surfaces of the two sides of each mounting plate (101).

3. A reflectionless low-pass filter as claimed in claim 1, characterized in that: the box body (1) is characterized in that a groove (103) matched with the through groove (9) is formed in the upper surface of one side of the box body, a first spring (81) is fixedly connected to the lower end of the positioning block (8), and the lower end of the first spring (81) is fixedly connected with the upper surface of the inner portion of the groove (103).

4. A reflectionless low-pass filter as claimed in claim 1, characterized in that: one side of the rubber pad (10) is uniformly connected with a second spring (1001), and one end of the second spring (1001) is fixedly connected with one side surface of the interior of the box body (1).

5. A reflectionless low-pass filter as claimed in claim 1, characterized in that: the fixing plate (6) is fixedly connected with the surface of one side of the box body (1) through a second bolt (61).

6. A reflectionless low-pass filter as claimed in claim 1, characterized in that: the surface of condenser pipe (5) evenly cup joints and installs snap ring (51), be connected with bracing piece (52) between snap ring (51) perpendicularly, the inside of condenser pipe (5) is provided with the comdenstion water.