CN217636138U

CN217636138U - Micro-perforated silencer

Info

Publication number: CN217636138U
Application number: CN202220962978.6U
Authority: CN
Inventors: 王文秀
Original assignee: Shandong Dezhong New Energy Technology Co ltd
Current assignee: Shandong Dezhong New Energy Technology Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-10-21
Anticipated expiration: 2032-04-25

Abstract

The utility model relates to a silencer field especially relates to a micro-perforated silencer, which comprises an outer shell, the up end of shell opens in the outside, the front and back end of shell communicates respectively has the passageway, movable mounting has the collection box on the inboard bottom surface of shell, collect the perpendicular fixedly connected with in the side of box and towards the riser that the top extends, the perpendicular fixedly connected with shrouding in upper end of riser, shrouding slip card goes into the up end opening department of shell, fixed mounting has spacing frame in riser, shrouding and the collection box becomes the space, the inboard slip cartridge of spacing frame has noise cancelling structure, the port correspondence is linked together with the passageway around the noise cancelling structure, the utility model discloses can be fast convenient dismantle out medial structure, convenient later stage renewal is maintained.

Description

Micro-perforated silencer

Technical Field

The utility model relates to a silencer field especially relates to a little perforation formula silencer.

Background

The micropunch plate silencer is a novel silencer made of a micropunch plate sound absorption structure. The sound absorption structure is a micro-perforated plate sound absorption structure which is formed by drilling a plurality of micropores on a thin metal plate with the thickness less than 1mm without any porous sound absorption material, wherein the aperture of the micropores is generally about 0.5-1 mm, the perforation rate is between 1% -3%, and a certain cavity is left behind the perforated plate. Install on the air current passageway section during the use of current silencer, lead to the inboard clearance of dismantling of later stage, also can't maintain the change, can only wholly dismantle the back and change extravagant material.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the background art and providing a micro-perforated silencer.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a micro-perforated silencer, includes the shell, the up end of shell opens in the outside, the front and back end of shell communicates respectively has the passageway, movable mounting has the collection box on the inboard bottom surface of shell, collect the riser that perpendicular fixedly connected with extends towards the top on the side of box, the perpendicular fixedly connected with shrouding in upper end of riser, the shrouding slides the card and goes into the open department of up end of shell, fixed mounting has spacing frame in riser, shrouding and the collection box-shaped space, the inboard slip cartridge of spacing frame has the amortization structure, the port correspondence is linked together with the passageway around the amortization structure.

Preferably, the port department fixedly connected with mounting flange that the shell was kept away from to the passageway, the up end of shrouding is close to front and back border position punishment and is seted up flutedly respectively.

Preferably, the silencing structure comprises four micro-perforated plates, the number of the micro-perforated plates is four, the side edges of the micro-perforated plates are mutually perpendicular, fixed and spliced to form a square tubular structure together, and front and rear ports of the square tubular structure are respectively butted with a channel.

Preferably, the inboard top surface of spacing frame is provided with the chucking strip, the draw-in groove has been seted up to the upper end of chucking strip, the draw-in groove cover is established on the interior limit of spacing frame, the inboard of draw-in groove is provided with the cushion, the upper and lower end of cushion respectively with the inboard top surface of spacing frame and the inboard bottom surface fixed connection of draw-in groove, the cushion is the rubber material, the up end at the micropore board is pressed along the lower border of chucking strip.

Preferably, the hidden groove has been seted up above one side of shell, the inboard rotation in hidden groove installs the dwang, the dwang is pressed at the up end of shrouding.

Preferably, the up end of dwang is close to one end department activity and runs through there is the fitting pin, the inboard bottom surface and the screw-thread fit each other of groove are hidden in the lower extreme embedding of fitting pin, the position department that the side of hiding the groove corresponds the fitting pin sets up jaggedly.

Compared with the prior art, the utility model discloses following beneficial effect has:

butt joint the passageway in air pipe department through mounting flange, when later stage overhaul maintenance, after loosening the fitting pin, rotate the dwang, make it change over to and hide into the groove inboard after, do not hinder the shrouding promptly, lift the shrouding back, can take out the inboard micropore board, horizontal migration can take out the micropore board from the inboard of spacing frame, in the use, the ash bits of production can fall on the inboard of collecting the box, pour out the clearance can, after inserting back the micropore board, because the spring action of cushion, make the tighter surface of supporting at the micropore board of spacing frame, ensure the firm of cartridge, later insert back the structure to the inboard original position of shell with shrouding department, stir the surface of dwang pressure at the shrouding, the fitting pin of screwing fixes, can be fast convenient dismantlement out inboard structure, the later stage of facility is renewed and is maintained.

Drawings

Fig. 1 is a schematic structural view of a micro-perforated muffler according to the present invention;

fig. 2 is a schematic view of the micro-perforated muffler according to the present invention;

fig. 3 is an enlarged view of the microperforated muffler of the present invention at a in fig. 2;

fig. 4 is a partial structural sectional view of a micro-perforated muffler according to the present invention;

fig. 5 is an enlarged view of the micro-perforated muffler of the present invention at the position B in fig. 4.

1. A housing; 2. a channel; 3. installing a flange; 4. a collection box; 5. a vertical plate; 6. closing plates; 7. a groove; 8. a microporous plate; 9. a limiting frame; 10. a clamping strip; 11. a card slot; 12. an elastic pad; 13. hiding the groove; 14. a notch; 15. rotating the rod; 16. and a locking bolt.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-5 a little perforation formula silencer, including shell 1, the up end of shell 1 opens in the outside, the front and back end of shell 1 communicates respectively has passageway 2, movable mounting has collection box 4 on the inboard bottom surface of shell 1, collect the riser 5 that perpendicular fixedly connected with extends towards the top on one side of box 4, the perpendicular fixedly connected with shrouding 6 in upper end of riser 5, shrouding 6 slides and blocks the open department of the up end of shell 1 into, riser 5, fixed mounting has spacing frame 9 in shrouding 6 and the collection box 4 formation space, the inboard slip cartridge of spacing frame 9 has the amortization structure, the port correspondence is linked together with passageway 2 around the amortization structure.

The port department fixedly connected with mounting flange 3 that shell 1 was kept away from to passageway 2 to in installing in air pipe department, the up end of shrouding 6 is close to around along the position punishment do not seted up fluted 7, so that the user lifts shrouding 6.

The amortization structure includes micropore board 8, and the quantity of micropore board 8 sets up to four, and the side mutually perpendicular fixed concatenation of adjacent micropore board 8 forms square tubular structure jointly, and the port docks passageway 2 respectively around the square tubular structure, and micropore board 8 plays the effect of amortization.

The inboard top surface of spacing frame 9 is provided with chucking strip 10, and draw-in groove 11 has been seted up to the upper end of chucking strip 10, and draw-in groove 11 cover is established on the interior limit of spacing frame 9, and the inboard of draw-in groove 11 is provided with cushion 12, the last lower extreme of cushion 12 respectively with the inboard top surface of spacing frame 9 and the inboard bottom surface fixed connection of draw-in groove 11, cushion 12 is the rubber material, has elasticity, can make chucking strip 10 firmly support the surface of micropore board 8.

Seted up above one side of shell 1 and hidden into groove 13, hide the inboard rotation in groove 13 and install dwang 15, dwang 15 presses the up end at shrouding 6, the up end of dwang 15 is close to the activity of one end department and runs through there is the fitting pin 16, the inboard bottom surface and the mutual screw-thread fit of groove 13 are hidden in the lower extreme embedding of fitting pin 16, the position department that the side of hiding into groove 13 corresponds fitting pin 16 sets up jaggedly 14, breach 14 user of being convenient for rotates fitting pin 16, receive the hindrance of hiding into groove 13 lateral wall when preventing that the user from pointing the rotation.

In the use, dock passageway 2 in air pipe department through mounting flange 3, during later stage overhaul and maintenance, behind the pine latch 16, rotate dwang 15, make it change over into and hide behind groove 13 inboard, promptly not hinder shrouding 6, lift shrouding 6 back, can take out inboard micropore board 8, horizontal migration can take out micropore board 8 from the inboard of spacing frame 9, in the use, the ash bits that produce can fall on the inboard of collecting box 4, pour out the clearance can, after inserting back micropore board 8, because the spring action of resilient pad 12, make the tighter surface of supporting at micropore board 8 of spacing frame 9, ensure the firm of cartridge, later insert 6 department of shrouding structure back to the inboard primary position of shell 1, stir dwang 15 and press on the surface of shrouding 6, the latch 16 is fixed, can be fast convenient dismantle inboard structure, the later stage renewal maintenance is facilitated.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that all the embodiments and descriptions are provided in the present invention, and that various changes and modifications can be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A microperforated muffler comprising an outer shell (1), characterized in that: the up end of shell (1) opens in the outside, the front and back end of shell (1) communicates respectively has passageway (2), movable mounting has collection box (4) on the inboard bottom surface of shell (1), vertical fixedly connected with towards riser (5) that the top extends on one side edge of collection box (4), the perpendicular fixedly connected with shrouding (6) in upper end of riser (5), the upper end of shell (1) opens the department to shrouding (6) slip card income, fixed mounting has spacing frame (9) in riser (5), shrouding (6) and the collection box (4) formative space, the inboard slip cartridge of spacing frame (9) has the amortization structure, the port correspondence is linked together with passageway (2) around the amortization structure.

2. A microperforated muffler as defined in claim 1, wherein: the port department fixedly connected with mounting flange (3) of shell (1) are kept away from in passageway (2), border position punishment is seted up fluted (7) around the up end of shrouding (6) is close to respectively.

3. A microperforated muffler as defined in claim 1, wherein: the silencing structure comprises microporous plates (8), the number of the microporous plates (8) is four, the microporous plates (8) are mutually perpendicular and fixedly spliced to form a square tubular structure, and ports of the front and the rear of the square tubular structure are respectively butted with the channels (2).

4. A microperforated muffler as defined in claim 3, wherein: the inboard top surface of spacing frame (9) is provided with chucking strip (10), draw-in groove (11) have been seted up to the upper end of chucking strip (10), draw-in groove (11) cover is established on the interior limit of spacing frame (9), the inboard of draw-in groove (11) is provided with cushion (12), the upper and lower end of cushion (12) respectively with the inboard top surface of spacing frame (9) and the inboard bottom surface fixed connection of draw-in groove (11), cushion (12) are the rubber material, the lower border of chucking strip (10) presses the up end at micropore board (8).

5. A microperforated muffler as defined in claim 1, wherein: seted up above one side of shell (1) and hidden income groove (13), the inboard rotation in hidden income groove (13) is installed dwang (15), dwang (15) are pressed at the up end of shrouding (6).

6. A microperforated muffler according to claim 5, characterized in that: the up end of dwang (15) is close to one end department activity and runs through and has lockbolt (16), the inboard bottom surface and the screw-thread fit each other of groove (13) are hidden in the lower extreme embedding of lockbolt (16), hide the position department that the side of groove (13) corresponds lockbolt (16) and seted up breach (14).