阅读说明：本技术 一种阻性消声器的消声片 (Silencing sheet of resistive silencer ) 是由 许伟清 文永辉 冯颖 秦建伟 于 2019-10-11 设计创作，主要内容包括：本发明公开了一种阻性消声器的消声片,包括消声片本体与安装箱,所述消声片本体的外侧设有隔离盒,所述隔离盒的两侧开设有若干个贯穿孔,所述隔离盒的外侧固定有安装框,所述安装框的顶部开设有若干个限位孔,所述限位孔的内部活动插接有限位棒,所述安装箱的内顶部与内底部均开设有滑槽,所述安装箱的箱体内部开设有通口,所述通口的内部转动连接有转动杆,所述转动杆的外侧固定有若干个凸轮,所述连接板的底部与限位棒的顶部相固定。本发明能够便于拆装,操作简单,便于检修,有利于提高工作效率,能够受到一定的防护效果,有利于延长消声片的使用年限,同时有利于提高消音效果,具有良好的实用意义。(The invention discloses a silencing piece of a resistance silencer, which comprises a silencing piece body and an installation box, wherein an isolation box is arranged on the outer side of the silencing piece body, a plurality of through holes are formed in two sides of the isolation box, an installation frame is fixed on the outer side of the isolation box, a plurality of limiting holes are formed in the top of the installation frame, limiting rods are movably inserted into the limiting holes, sliding grooves are formed in the inner top and the inner bottom of the installation box, a through hole is formed in the box body of the installation box, a rotating rod is rotatably connected inside the through hole, a plurality of cams are fixed on the outer side of the rotating rod, and the bottom of a connecting plate is fixed with the top of the limiting rods. The invention has the advantages of convenient disassembly and assembly, simple operation, convenient maintenance, easy improvement of working efficiency, certain protection effect, easy extension of service life of the silencing sheet, easy improvement of silencing effect and good practical significance.)

1. The utility model provides a noise elimination piece of hindering nature silencer, includes noise elimination piece body (1) and install bin (2), its characterized in that, the outside of noise elimination piece body (1) is equipped with keeps apart box (3), keep apart the both sides of box (3) and seted up a plurality of through hole (4), the outside of keeping apart box (3) is fixed with installing frame (5), the top of installing frame (5) is seted up a plurality of spacing hole (6), the inside activity grafting of spacing hole (6) has spacing stick (7), spout (8) have all been seted up to the interior top and the interior bottom of installing bin (2), the box of installing bin (2) is inside to be seted up opening (9), the inside rotation of opening (9) is connected with dwang (10), the outside of dwang (10) is fixed with a plurality of cam (11), the below of dwang (10) is equipped with connecting plate (12), the bottom of connecting plate (12) is fixed mutually with the top of spacing stick (7), the interior bottom of opening (9) is fixed with mounting groove (13), the inside of mounting groove (13) is fixed with spring (14), the top of spring (14) is fixed mutually with the bottom of connecting plate (12), the top and the bottom of installing frame (5) are respectively with spout (8) looks joint, the end fixing of dwang (10) has knob piece (15), the top of install bin (2) is fixed with fixed plate (16), the side movable mounting of fixed plate (16) has spacer pin (17), spliced eye (18) have been seted up to the side of knob piece (15).

2. The silencing sheet of the resistive muffler according to claim 1, wherein the top and the bottom of the silencing sheet body (1) are fixed to the isolation box (3), and the number of the silencing sheet bodies (1) is several.

3. The silencing plate of a resistive muffler according to claim 1, wherein the insulating case (3) is a flat case, and the number of the insulating cases (3) is several.

4. The silencing plate of a resistive muffler according to claim 1, wherein the sliding grooves (8) are elongated grooves, and the number of the sliding grooves (8) is half of the number of the insulation boxes (3).

5. The silencing plate of a resistive muffler according to claim 1, wherein the cross-section of the through openings (9) is rectangular, the through openings (9) are located near the top of the mounting box (2), and the number of the through openings (9) is the same as the number of the isolation boxes (3).

6. The silencing plate of the resistive muffler according to claim 1, wherein the mounting grooves (13) are circular grooves, the number of the mounting grooves (13) is several, and the several mounting grooves (13) are respectively and uniformly positioned on two sides of the limiting rod (7).

Technical Field

The invention relates to the technical field of silencing equipment, in particular to a silencing sheet of a resistive silencer.

Background

The resistive muffler is a muffler which is produced by transmitting sound waves in a porous sound absorption material or a sound absorption structure, converts sound energy into heat energy due to friction and emits the heat energy, so that noise transmitted along a pipeline is attenuated along with distance, and the purpose of sound elimination is achieved.

However, the existing silencing sheet is often directly fixed on the inner wall of the box body, and when the silencing sheet needs to be overhauled, the silencing sheet is inconvenient to disassemble and assemble, and the overhauling work efficiency is reduced, so that the silencing sheet of the resistive silencer is provided.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a silencing sheet of a resistance silencer.

In order to achieve the purpose, the invention adopts the following technical scheme:

the muffling sheet of the resistive muffler comprises a muffling sheet body and an installation box, wherein an isolation box is arranged on the outer side of the muffling sheet body, a plurality of through holes are formed in two sides of the isolation box, the outer side of the isolation box is fixedly provided with the installation frame, a plurality of limiting holes are formed in the top of the installation frame, limiting rods are movably inserted in the limiting holes, sliding grooves are formed in the inner top and the inner bottom of the installation box, an opening is formed in the box body of the installation box, the inside of the opening is rotatably connected with a rotating rod, a plurality of cams are fixed on the outer side of the rotating rod, a connecting plate is arranged below the rotating rod, the bottom of the connecting plate is fixed with the top of the limiting rods, an installation groove is fixed at the inner bottom of the opening, a spring is fixed inside the installation groove, and the top of the spring is fixed with the bottom, the top and the bottom of installing frame are respectively with spout looks joint, the end fixing of dwang has the knob piece, the top of install bin is fixed with the fixed plate, the side movable mounting of fixed plate has the spacer pin, the spliced eye has been seted up to the side of knob piece.

Preferably, the top and the bottom of the silencing piece body are fixed with the isolation box, and the number of the silencing piece bodies is several.

Preferably, the isolation box is a flat box, and the number of the isolation boxes is several.

Preferably, the sliding grooves are long-strip grooves, and the number of the sliding grooves is half of the number of the isolation boxes.

Preferably, the cross section of opening is the rectangle, the opening is close to the top of install bin, the quantity of opening is the same with isolation box quantity.

Preferably, the mounting grooves are circular grooves, the number of the mounting grooves is a plurality, and the mounting grooves are respectively and evenly located on two sides of the limiting rod.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the silencing sheet of the resistive silencer is convenient to disassemble and assemble, simple to operate and convenient to maintain and is beneficial to improving the working efficiency by arranging the mounting frame, the limiting hole, the limiting rod, the sliding groove, the through hole, the rotating rod, the cam, the connecting plate, the mounting groove, the spring, the knob block, the fixing plate, the limiting pin and the inserting hole.

2. According to the invention, the installation box, the isolation box and the through hole are arranged, so that the silencing sheet of the resistive silencer can be protected to a certain extent, the service life of the silencing sheet can be prolonged, and the silencing effect can be improved.

To sum up, this noise elimination piece of hindering nature silencer can be convenient for the dismouting, easy operation, and convenient to overhaul is favorable to improving work efficiency, can receive certain protecting effect, is favorable to prolonging the life of noise elimination piece, is favorable to improving noise cancelling effect simultaneously, has good practical meaning.

Drawings

FIG. 1 is a schematic cross-sectional view of an anti-noise sheet of a resistive muffler according to the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

fig. 3 is a schematic diagram of an assembled and partially connected structure of a silencing sheet of a resistive muffler according to the present invention.

In the figure: 1 silencing piece body, 2 install bins, 3 isolation boxes, 4 through holes, 5 installing frames, 6 spacing holes, 7 spacing sticks, 8 chutes, 9 through ports, 10 rotating rods, 11 cams, 12 connecting plates, 13 installing grooves, 14 springs, 15 knob blocks, 16 fixing plates, 17 spacing pins and 18 jack holes.

Detailed Description

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

Referring to fig. 1-3, a noise damping sheet of a resistive muffler comprises a noise damping sheet body 1 and an installation box 2, wherein an isolation box 3 is arranged on the outer side of the noise damping sheet body 1, a plurality of through holes 4 are formed in two sides of the isolation box 3, an installation frame 5 is fixed on the outer side of the isolation box 3, a plurality of limiting holes 6 are formed in the top of the installation frame 5, limiting rods 7 are movably inserted in the limiting holes 6, sliding grooves 8 are formed in the inner top and the inner bottom of the installation box 2, an opening 9 is formed in the box body of the installation box 2, a rotating rod 10 is rotatably connected in the opening 9, a plurality of cams 11 are fixed on the outer side of the rotating rod 10, a connection plate 12 is arranged below the rotating rod 10, the bottom of the connection plate 12 is fixed with the top of the limiting rods 7, an installation groove 13 is fixed on the inner bottom of the opening 9, a spring 14 is fixed in the installation groove 13, the top and the bottom of installing frame 5 are respectively with spout 8 looks joint, and the end fixing of dwang 10 has knob piece 15, and the top of install bin 2 is fixed with fixed plate 16, and the side movable mounting of fixed plate 16 has spacer pin 17, and spliced eye 18 has been seted up to the side of knob piece 15.

The top and the bottom of noise damping piece body 1 all fix mutually with isolation box 3, the quantity of noise damping piece body 1 is a plurality of, it is flat box to keep apart box 3, the quantity of keeping apart box 3 is a plurality of, spout 8 is rectangular groove, the quantity of spout 8 is half of isolation box 3 quantity, the cross section of opening 9 is the rectangle, opening 9 is close to in the top of install bin 2, the quantity of opening 9 is the same with isolation box 3 quantity, mounting groove 13 is the circular recess, the quantity of mounting groove 13 is a plurality of, a plurality of mounting groove 13 evenly is located the both sides of spacing stick 7 respectively.

The working principle is as follows: during the installation, with keeping apart box 3 through the mounting frame 5 with the spout looks joint on the installing bin 2, then make dwang 10 drive cam 11 through wrench movement knob piece 15 and take place to rotate, thereby make connecting plate 12 move down in opening 9, spring 14 takes place deformation this moment, meanwhile spacing stick 7 pegs graft with spacing hole 6 mutually, make to keep apart box 3 and can fix in the inside of installing bin 2 this moment, then insert spacing round pin 17 and disassemble can accomplish spacing to dwang 10 in hole 18, when needs are dismantled, can accomplish the dismantlement by the above-mentioned reverse operation this moment, and the operation is thus simple, and the easy maintenance, in addition when using, when the sound source passes installing bin 2, the sound source carries out the amortization through hole 4 through amortization piece body 1, thereby reach good noise cancelling effect.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.