CN220015611U - Pipe sheet type muffler - Google Patents

Abstract

The utility model relates to the technical field of silencers, and discloses a segment silencer which comprises a first segment, a second segment, a first connecting plate, a second connecting plate and sound absorption, wherein the first connecting plate and the second connecting plate which are positioned at one side are detachably assembled, and fastening bolts are respectively detachably arranged at two ends of the top of the first connecting plate; according to the utility model, the first duct piece and the second duct piece are spliced and positioned through the convex plate and the clamping groove, and the two duct pieces are in sealing connection through the sealing adhesive tape, so that the first duct piece and the second duct piece are convenient to disassemble and assemble, the sound absorbing plate in the inner walls of the two duct pieces is adhered in the connecting groove through the U-shaped connecting plate on the outer side surface, so that the sound absorbing plate is convenient to disassemble and replace, and the sound absorbing plate in the silencer can be disassembled and replaced conveniently through the two duct pieces during the duct piece, so that the sound absorbing plate is convenient to disassemble and clean or replace.

Description

Pipe sheet type muffler

Technical Field

The utility model relates to the technical field of silencers, in particular to a segment type silencer.

Background

The muffler is an important device for reducing aerodynamic noise, and is generally installed in airflow channels or air inlets and air outlets of various fans (such as axial flow fans, centrifugal fans and mixed flow fans) to reduce the noise radiated from the device to the air inlets through the airflow channels.

The easy-to-detach pipe sheet type muffler disclosed in China patent publication No. CN216241518U is convenient to detach and repair by mounting and detaching the muffler body, so that the labor intensity of operators is greatly reduced;

but when in actual use, the inside acoustical panel of current segment type muffler blocks up the hole after inhaling sound through ventilating for a long time, needs to be changed or clear up, and the integration of current segment type muffler sets up, and inside can't disassemble, leads to inside acoustical panel can't disassemble the change for segment type muffler life is lower.

Disclosure of Invention

The utility model aims to provide a segment type muffler, which solves the problems that the prior segment type muffler is integrally arranged, the inside of the segment type muffler cannot be disassembled, and a muffler plate cannot be disassembled and replaced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pipe formula silencer, includes first section of jurisdiction, second section of jurisdiction, first connecting plate, second connecting plate, abatvoix, first section of jurisdiction with can dismantle the equipment between the second section of jurisdiction, be located one side first connecting plate with can dismantle the equipment between the second connecting plate, first connecting plate top both ends respectively demountable installation have fastening bolt, first section of jurisdiction with demountable installation has the abatvoix between the second section of jurisdiction, first section of jurisdiction bottom both sides integrated into one piece respectively has the flange.

Preferably, the two groups of first connecting plates are respectively integrally formed at two ends of the first duct piece, and the two groups of second connecting plates are respectively integrally formed at two ends of the second duct piece.

Preferably, a sealing rubber ring is installed between the first connecting plate and the second connecting plate at one side.

Preferably, the two sides of the top of the second duct piece are provided with clamping grooves, the cross sections of the convex plates and the inner walls of the clamping grooves are of T-shaped structures, and the convex plates located on one side are inserted into the inner walls of the clamping grooves.

Preferably, the sealing rubber strips are adhered to the bottoms of the first duct pieces close to the edges of the two sides of the convex plate, the mounting grooves are formed in the bottoms of the second duct pieces close to the edges of the two sides of the clamping grooves, and the sealing rubber strips are clamped in the inner walls of the mounting grooves.

Preferably, the first duct piece and the second duct piece are provided with connecting grooves at equal intervals in the inner walls, the connecting plates are integrally formed in the outer sides of the sound absorbing plates at equal intervals, and the connecting plates are adhered to the corresponding inner walls of the connecting grooves.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the first duct piece and the second duct piece are spliced and positioned through the convex plate and the clamping groove, and the two duct pieces are in sealing connection through the sealing adhesive tape, so that the first duct piece and the second duct piece are convenient to disassemble and assemble, the sound absorbing plate in the inner walls of the two duct pieces is adhered in the connecting groove through the U-shaped connecting plate on the outer side surface, so that the sound absorbing plate is convenient to disassemble and replace, the sound absorbing plate in the silencer can be disassembled through the two duct pieces and the disassembly and replacement of the inner sound absorbing plate are convenient to disassemble and clean or replace, and the problems that the existing duct piece type silencer is integrally arranged, the inner part cannot be disassembled and the sound absorbing plate cannot be disassembled and replaced are solved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic side sectional view of the present utility model;

fig. 3 is a schematic view of a partial enlarged structure at a in fig. 2.

In the figure: 1. a first segment; 2. a first connection plate; 3. a fastening bolt; 4. sealing rubber rings; 5. a sound absorbing panel; 6. a convex plate; 7. a clamping groove; 8. a connection groove; 9. a splice plate; 101. a second segment; 201. and a second connecting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

Referring to fig. 1-3, the present utility model provides a technical solution: the pipe sheet type muffler comprises a first pipe sheet 1, a second pipe sheet 101, a first connecting plate 2, a second connecting plate 201 and an acoustic panel 5, wherein the first pipe sheet 1 and the second pipe sheet 101 are detachably assembled, and the first connecting plate 2 and the second connecting plate 201 positioned at one side are detachably assembled;

the two ends of the top of the first connecting plate 2 are respectively and detachably provided with a fastening bolt 3, a sound absorbing plate 5 is detachably arranged between the first duct piece 1 and the second duct piece 101, and two sides of the bottom of the first duct piece 1 are respectively and integrally formed with a convex plate 6 through metal casting;

the first duct piece 1 and the second duct piece 101 are spliced and positioned through the convex plate 6 and the clamping groove 7, and the two duct pieces are connected through the sealing joint strip in a sealing mode, so that the first duct piece 1 and the second duct piece 101 are convenient to disassemble and assemble, the sound absorbing plate 5 in the inner walls of the two duct pieces is adhered to the connecting groove 8 through the U-shaped connecting plate 9 on the outer side surface, the sound absorbing plate 5 is convenient to disassemble and replace, and the sound absorbing plate 5 in the muffler can be disassembled through the two duct pieces and is convenient to disassemble and replace the inner sound absorbing plate 5 when the duct pieces are realized.

Wherein, two sets of first connecting plates 2 pass through metal casting integrated into one piece respectively in first section of jurisdiction 1 both ends, two sets of second connecting plates 201 pass through metal casting integrated into one piece respectively in second section of jurisdiction 101 both ends, install sealed packing ring 4 between the first connecting plate 2 and the second connecting plate 201 that are located one side, isomorphic sealed packing ring 4 seals between the first connecting plate 2 and the second connecting plate 201 that are located one side links up, and through the internally threaded hole dismouting fastening bolt 3 that first connecting plate 2 top was offered, the connecting plate accessible fastening bolt 3 of two section of jurisdiction tip is disassembled, be convenient for disassemble the section of jurisdiction in the silencer when this section of jurisdiction, simultaneously, two connecting plate outside accessible bolts are fixed a position the equipment with the region of waiting to install.

Wherein, joint groove 7 has all been seted up to second section of jurisdiction 101 top both sides, protruding board 6 and joint groove 7 inner wall section are T font structure, the protruding board 6 that is located one side is pegged graft in joint groove 7 inner wall, first section of jurisdiction 1 bottom is close to protruding board 6 both sides edge and all bonds there is joint strip, the mounting groove has all been seted up to joint groove 7 both sides edge in the second section of jurisdiction 101 top, and joint strip joint is in the mounting groove inner wall, peg graft the location through protruding board 6 and joint groove 7 between first section of jurisdiction 1 and the second section of jurisdiction 101, and pass through joint strip seal between the two section of jurisdictions and link up, make the convenience of dismantling the equipment between first section of jurisdiction 1 and the second section of jurisdiction 101.

Wherein, the equal interval has offered in first section of jurisdiction 1 and the second section of jurisdiction 101 inner wall and has been linked up groove 8, and the acoustic panel 5 outside equidistant has linked up board 9 through metal casting integrated into one piece, and linked up board 9 bonds in the linking up groove 8 inner wall that corresponds, and acoustic panel 5 bonds in linking up groove 8 through lateral surface U-shaped linked up board 9 in two section of jurisdictions inner walls for it is convenient to change acoustic panel 5 dismouting, and the acoustic panel 5 accessible is disassembled and then is convenient to the dismantlement change of inside acoustic panel 5 in the silencer when having realized this section of jurisdiction, is convenient for disassemble clearance or change acoustic panel 5.

Working principle: when the segment muffler is assembled, the fastening bolts 3 at the two ends of the first connecting plate 2 at the end part of the first segment 1 are taken out from the internal threaded holes in a rotating mode, then the first segment 1 or the second segment 101 is pushed, the convex plates 6 below the first segment 1 are pushed and separated from the clamping grooves 7 above the second segment 101, then the adhesive at the joint plates 9 on the outer side surfaces of the sound absorbing plates 5 in the first segment 1 and the second segment 101 is removed through the adhesive removing agent, and then the U-shaped joint plates 9 and the sound absorbing plates 5 are separated from the joint grooves 8, so that the sound absorbing plates 5 are convenient to disassemble, clean or replace.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the principles of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (2)

1. The utility model provides a tube sheet formula silencer, includes first section of jurisdiction (1), second section of jurisdiction (101), first connecting plate (2), second connecting plate (201), abatvoix (5), its characterized in that: the utility model discloses a sealing joint for a pipe piece, including first pipe piece (1) and second pipe piece (101), be located one side can dismantle the equipment between first connecting plate (2) with can dismantle the equipment between second connecting plate (201), first connecting plate (2) top both ends respectively can dismantle install fastening bolt (3), first pipe piece (1) with can dismantle install abatvoix (5) between second pipe piece (101), first pipe piece (1) bottom both sides integrated into one piece respectively have flange (6), two sets of first connecting plate (2) integrated into one piece respectively in first pipe piece (1) both ends, two sets of second connecting plate (201) integrated into one piece respectively in second pipe piece (101) both ends, joint groove (7) have all been seted up to second pipe piece (101) top both sides, flange (6) with joint groove (7) inner wall section is T font structure, be located one side flange (6) peg graft in joint groove (7) inner wall, first pipe piece (1) bottom both sides integrated into one piece have flange (6) and two sides joint adhesive tape (1) are close to joint groove (101) edge, joint adhesive tape (8) are seted up in joint groove (101) both sides are located in the inner wall (1) both sides, the sound absorbing plate (5) is characterized in that the outer side of the sound absorbing plate (5) is provided with connecting plates (9) in an equidistant integrated mode, and the connecting plates (9) are adhered to the inner walls of the corresponding connecting grooves (8).

2. The tube-sheet muffler as defined in claim 1, wherein: and a sealing rubber ring (4) is arranged between the first connecting plate (2) and the second connecting plate (201) at one side.