CN208431167U - Detachable exit silencer - Google Patents

Abstract

A kind of detachable exit silencer, including noise reduction cylinder, noise reduction core and flange assembly, noise reduction cylinder includes outer barrel, upper annular flange and lower sealing plate flange, upper annular flange is welded in the top exterior walls of outer barrel, lower sealing plate flange is located at the intracavity bottom of outer barrel, and be welded on the inner wall of outer barrel, flange assembly includes upper and lower flange assembly；Upper flange component includes upper connecting flange, upper trunnion, upper flange sealing plate and sealing device, and upper flange sealing plate is connect with upper annular flange, and the lower part outer wall and upper flange seal plate welding of upper trunnion, upper connecting flange are welded at the top of the outer wall of trunnion；Lower flange component includes lower trunnion and lower connecting flange, and lower connecting flange is welded on the outer wall bottom of lower trunnion, the external wall of upper portion of lower trunnion and lower sealing plate flange welding；Noise reduction core, upper trunnion and lower trunnion coaxial line.The utility model can be convenient for changing quieter material, without remaking whole branch muffler, consequently facilitating its performance of installation maintenance, save the cost.

Description

Detachable exit silencer

Technical field

The utility model relates to a kind of mufflers being installed on Roots blower, more particularly to a kind of detachable outlet to disappear Sound device.

Background technique

Muffler is a kind of device for preventing sound transmission and air-flow being allowed to pass through, and is the weight for eliminating air power noise Want measure.Muffler is mounted in the device of the reduction noise on the airflow channel of air blower or in inlet and exhaust system, can be effective The aerodynamic noise for reducing Roots blower, reduces environmental pollution.But in actual application, general all companions in the gas of conveying There are the particulate matters such as steam, dust, and these particulate matters easily cause the quieter material (noise reduction core) in muffler to fail, once Quieter material failure, entire muffler are also eliminated, need to remake, very cost of idleness.

Utility model content

The technical problems to be solved in the utility model, which is to provide one kind, can be convenient for changing quieter material, to facilitate peace Dress safeguards its performance, the detachable exit silencer of save the cost.

The technical solution of the utility model is to provide a kind of detachable exit silencer having following structure, packet Noise reduction cylinder, noise reduction core and flange assembly are included, the noise reduction cylinder includes outer barrel, upper annular flange and lower sealing plate flange, institute It states annular flange to be welded in the top exterior walls of outer barrel, the lower sealing plate flange is located at the intracavity bottom of outer barrel, and welds It connects on the inner wall of outer barrel, the flange assembly includes upper flange component and lower flange component；

The upper flange component includes upper connecting flange, upper trunnion, upper flange sealing plate and sealing device, the upper flange envelope Plate is connect by screw bolt and nut with upper annular flange, the sealing device between upper flange sealing plate and upper annular flange, The upper trunnion bottom is located in outer cylinder intracoelomic cavity after passing through the through-hole opened up in the middle part of upper flange sealing plate, the lower part outer wall of upper trunnion With upper flange seal plate welding, the upper connecting flange is welded at the top of the outer wall of trunnion；

The lower flange component includes lower trunnion and lower connecting flange, and the lower connecting flange is welded on the outer wall of lower trunnion Bottom, the top of the lower trunnion are located in the inner cavity of outer barrel after passing through the through-hole opened up in the middle part of lower sealing plate flange, lower trunnion External wall of upper portion and lower sealing plate flange welding；

The noise reduction core is described to disappear in upper flange component, lower flange component and the enclosed inner cavity of outer barrel inner wall three Sound core, upper trunnion and lower trunnion coaxial line.

Detachable exit silencer described in the utility model, wherein the noise reduction core includes outer punched-plate, glass fibre Cotton, glass-fiber-fabric, interior punched-plate and sealing plate, the interior punched-plate and outer punched-plate are ring structure, and the interior punched-plate is located at In the inner cavity of outer punched-plate, and coaxial line, the sealing plate have two pieces, and are separately mounted to the end of outer punched-plate and interior punched-plate Portion is filled in annular noise reduction for closing institute's collarette shape silencing cavity, the glass fibre cotton between outer punched-plate and interior punched-plate Intracavitary, the glass-fiber-fabric is arranged between glass fibre cotton and interior punched-plate.

Detachable exit silencer described in the utility model, wherein the sealing device is high temperature resistant asbestos washer.

After using the above structure, compared with prior art, the detachable exit silencer of the utility model is had the advantage that Since noise reduction cylinder includes outer barrel, upper annular flange and lower sealing plate flange, and upper annular flange is welded on the top of outer barrel On outer wall, for lower sealing plate flange welding on the bottom wall of inner cavity of outer barrel, the upper flange sealing plate in upper flange component passes through bolt, spiral shell Female and sealing device is connect with upper annular flange, and noise reduction core is mounted in upper flange component, lower flange component and outer barrel inner wall three In enclosed inner cavity, this reasonable structure design is not in the case where influencing the utility model normal use, so that upper flange group Part is detachably connected with outer barrel realization, therefore, in Roots blower use process, after the failure of noise reduction core, no longer needs to weight Upper flange component only need to be dismantled and can be replaced to noise reduction core, and continue to be normally carried out use by the whole branch muffler of new production, To facilitate its performance of installation maintenance, cost has been saved.

Detailed description of the invention

Fig. 1 is longitudinal schematic cross-sectional view of the detachable exit silencer of the utility model；

Fig. 2 is longitudinal schematic cross-sectional view when noise reduction cylinder and lower flange component link together in Fig. 1；

Fig. 3 is longitudinal schematic cross-sectional view of noise reduction core in Fig. 1；

Fig. 4 is the overlooking structure diagram of Fig. 3；

Fig. 5 is the overlooking structure diagram of sealing device in Fig. 1；

Fig. 6 is longitudinal section view enlarged structure schematic diagram of upper flange component in Fig. 1；

Fig. 7 is the overlooking structure diagram of Fig. 6.

Specific embodiment

The detachable exit silencer of the utility model is made further specifically with reference to the accompanying drawings and detailed description It is bright:

As shown in Fig. 1,5,6 and 7, in this embodiment, the detachable exit silencer of the utility model, including disappear Sound cylinder 4, noise reduction core 5 and flange assembly.In conjunction with Fig. 2, noise reduction cylinder 4 includes outer barrel 41, upper annular flange 42 and lower sealing plate Flange 43, upper annular flange 42 are welded in the top exterior walls of outer barrel 41, and lower sealing plate flange 43 is located at the inner cavity of outer barrel 41 Bottom, and be welded on the inner wall of outer barrel 41.

Flange assembly includes upper flange component 3 and lower flange component 6, and upper flange component 3 includes upper connecting flange 31, upper larynx Pipe 32, upper flange sealing plate 33 and sealing device 35, upper flange sealing plate 33 are connected by bolt 34 and nut 36 and upper annular flange 42 It connects, for sealing device 35 between upper flange sealing plate 33 and upper annular flange 42, sealing device 35 is high temperature resistant asbestos washer.On 32 bottom of trunnion is located in 41 inner cavity of outer barrel after passing through the through-hole opened up in the middle part of upper flange sealing plate 33, outside the lower part of upper trunnion 32 Wall and upper flange sealing plate 33 weld, and upper connecting flange 31 is welded at the top of the outer wall of trunnion 32；Lower flange component 6 includes lower larynx Pipe 61 and lower connecting flange 62, lower connecting flange 62 are welded on the outer wall bottom of lower trunnion 61, and the top of lower trunnion 61 passes through down After the through-hole opened up in the middle part of sealing plate flange 43 in the inner cavity of outer barrel 41, the external wall of upper portion of lower trunnion 61 and lower sealing plate flange 43 welding.

Noise reduction core 5 is in upper flange component 3, lower flange component 6 and the enclosed inner cavity of 41 inner wall three of outer barrel, noise reduction core 5, upper trunnion 32 and lower 61 coaxial line of trunnion.

In conjunction with Fig. 3 and 4, noise reduction core 5 includes outer punched-plate 55, glass fibre cotton 52, glass-fiber-fabric 53, interior punched-plate 54 and envelope Plate 51, interior punched-plate 54 and outer punched-plate 55 are ring structure, and interior punched-plate 54 is located in the inner cavity of outer punched-plate 55, and same Axis, sealing plate 51 have two pieces, and are separately mounted to the end of outer punched-plate 55 and interior punched-plate 54, for closing outer punched-plate Institute's collarette shape silencing cavity, glass fibre cotton 52 are filled in annular silencing cavity between 55 and interior punched-plate 54, and glass-fiber-fabric 53 is arranged Between glass fibre cotton 52 and interior punched-plate 54, for preventing the glass fibre cotton 52 from leaking into gas flow, rise Good protective effect is arrived.

Since noise reduction cylinder 4 includes outer barrel 41, upper annular flange 42 and lower sealing plate flange 43, and upper annular flange 42 welds It connects in the top exterior walls of outer barrel 41, lower sealing plate flange 43 is welded on the bottom wall of inner cavity of outer barrel 41, in upper flange component 3 Upper flange sealing plate 33 connect with upper annular flange 42 by bolt 34, nut 36 and sealing device 35, noise reduction core 5 is mounted in upper method In blue component 3, lower flange component 6 and the enclosed inner cavity of 41 inner wall three of outer barrel, this reasonable structure design is not influencing this In the case where utility model normal use, so that upper flange component 3 is detachably connected with the realization of outer barrel 41, therefore, in Roots In air blower use process, after noise reduction core 5 fails, no longer needs to remake whole branch muffler, upper flange component 3 need to only be torn open Noise reduction core 5 can be replaced by falling, and then proceed with normal use, to facilitate its performance of installation maintenance, be saved Cost.The utility model is convenient for user's dismounting and change noise reduction core, shortens maintenance period, has saved maintenance cost, and prolong significantly The service life of whole muffler is grown.

Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this The various changes and improvements that the technical solution of utility model is made should all be fallen into the protection scope of the utility model.

Claims (3)

1. a kind of detachable exit silencer, including noise reduction cylinder (4), noise reduction core (5) and flange assembly, it is characterised in that: institute Stating noise reduction cylinder (4) includes outer barrel (41), upper annular flange (42) and lower sealing plate flange (43), the upper annular flange (42) It is welded in the top exterior walls of outer barrel (41), the lower sealing plate flange (43) is located at the intracavity bottom of outer barrel (41), and welds It connects on the inner wall of outer barrel (41), the flange assembly includes upper flange component (3) and lower flange component (6)；

The upper flange component (3) includes upper connecting flange (31), upper trunnion (32), upper flange sealing plate (33) and sealing device (35), the upper flange sealing plate (33) is connect by bolt (34) and nut (36) with upper annular flange (42), the sealing dress It sets (35) to be located between upper flange sealing plate (33) and upper annular flange (42), upper trunnion (32) bottom passes through upper flange sealing plate (33) it is located in outer barrel (41) inner cavity after the through-hole that middle part opens up, the lower part outer wall of upper trunnion (32) and upper flange sealing plate (33) Welding, the upper connecting flange (31) are welded at the top of the outer wall of trunnion (32)；

The lower flange component (6) includes lower trunnion (61) and lower connecting flange (62), and the lower connecting flange (62) is welded on The top of the outer wall bottom of lower trunnion (61), the lower trunnion (61) passes through position after the through-hole opened up in the middle part of lower sealing plate flange (43) In the inner cavity of outer barrel (41), the external wall of upper portion of lower trunnion (61) and lower sealing plate flange (43) are welded；

The noise reduction core (5) is mounted in upper flange component (3), lower flange component (6) and the enclosed inner cavity of outer barrel (41) inner wall three In, the noise reduction core (5), upper trunnion (32) and lower trunnion (61) coaxial line.

2. detachable exit silencer according to claim 1, it is characterised in that: the noise reduction core (5) includes outer punching Plate (55), glass fibre cotton (52), glass-fiber-fabric (53), interior punched-plate (54) and sealing plate (51), the interior punched-plate (54) and outer Punched-plate (55) is ring structure, and the interior punched-plate (54) is located in the inner cavity of outer punched-plate (55), and coaxial line, described Sealing plate (51) has two pieces, and is separately mounted to the end of outer punched-plate (55) and interior punched-plate (54), for closing outer punching Institute's collarette shape silencing cavity between plate (55) and interior punched-plate (54), the glass fibre cotton (52) are filled in annular silencing cavity, The glass-fiber-fabric (53) is arranged between glass fibre cotton (52) and interior punched-plate (54).

3. detachable exit silencer according to claim 2, it is characterised in that: the sealing device (35) is high temperature resistant Asbestos washer.