CN220395801U - Resistant muffler - Google Patents

Resistant muffler Download PDF

Info

Publication number
CN220395801U
CN220395801U CN202322086413.3U CN202322086413U CN220395801U CN 220395801 U CN220395801 U CN 220395801U CN 202322086413 U CN202322086413 U CN 202322086413U CN 220395801 U CN220395801 U CN 220395801U
Authority
CN
China
Prior art keywords
shell
casing
muffler
low
noise
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202322086413.3U
Other languages
Chinese (zh)
Inventor
李虎
唐雷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Tengyi Industrial Automation Equipment Co ltd
Original Assignee
Chongqing Tengyi Industrial Automation Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Tengyi Industrial Automation Equipment Co ltd filed Critical Chongqing Tengyi Industrial Automation Equipment Co ltd
Priority to CN202322086413.3U priority Critical patent/CN220395801U/en
Application granted granted Critical
Publication of CN220395801U publication Critical patent/CN220395801U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a resistant muffler which belongs to the technical field of mufflers, and comprises a shell, wherein an upper cover is arranged in the middle of the top of the shell, a lower cover is arranged at the bottom of the shell, the upper cover is movably connected to the top of the shell, the lower cover is movably connected to the bottom of the shell, an air inlet pipe is arranged on the right side of the shell, an exhaust pipe is arranged on the left side of the top of the shell, the air inlet pipe and the exhaust pipe extend into the shell, a partition plate is arranged below the air inlet pipe, a screen plate is arranged on the inner wall of the shell, glass fibers are arranged above the screen plate, and through the arranged screen plate, the partition plate, small holes and the glass fibers, porous sound absorbing materials are not needed, the service life of the muffler can be prolonged in high-temperature, high-speed, water vapor, dust-containing and oil-containing gases with corrosivity to the sound absorbing materials, and the sound absorbing effects can be improved; the low-frequency noise-reducing device can be used in a low-frequency environment by reducing the noise of low frequency, medium and low frequency bands, so that the noise elimination effect on the low-frequency noise is improved.

Description

Resistant muffler
Technical Field
The utility model belongs to the technical field of silencers, and particularly relates to a resistant silencer.
Background
A muffler is a device that allows a flowing medium to pass while effectively suppressing noise propagation. It is installed in the pipeline (or channel) through which the flowing medium passes (at the inlet of the pipeline, at the outlet of the pipeline, or at any position between the inlet and the outlet), such as high-pressure gas venting port, ventilator, blower, air compressor, air inlet or exhaust pipeline (channel) of engine, ventilating air-conditioning duct, etc. The muffler performance evaluation includes three aspects of muffling performance, aerodynamic performance, and regenerative noise.
On the premise of ensuring that the sound-absorbing quantity meets a certain standard, the pressure loss of the muffler is reduced as much as possible under the condition of meeting the standard, and the fuel economy of the engine can be effectively improved.
At present, the existing muffler has short service life in high-temperature, high-speed, water vapor, dust-containing, oil-containing and corrosive gases to sound absorption materials, has poor noise elimination effect and is not ideal to low-frequency noise elimination effect, and therefore, a resistant muffler is provided.
Disclosure of Invention
The present utility model is directed to a resistive muffler to solve the above-mentioned problems of the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a resistance silencer, includes the casing, be equipped with the upper cover in the middle of the casing top, the casing bottom is equipped with the lower cover, upper cover swing joint is in the casing top, lower cover swing joint is in the casing bottom, the casing right side is equipped with the intake pipe, casing top left side is equipped with the blast pipe, intake pipe and blast pipe extend to inside the casing, the intake pipe below is equipped with the baffle, the baffle passes through welded fastening in the casing bottom, shells inner wall is equipped with the otter board, the otter board top is equipped with glass fiber, glass fiber bottom is through installation screw fixed connection in otter board top, glass fiber passes through welded mode fixed connection at shells inner wall.
Preferably, the separator is provided with a plurality of small holes.
Preferably, a bracket is arranged on one side of the bottom of the shell, the bracket is fixedly connected to one side of the bottom of the shell in a welding mode, a flange plate is arranged on the other side of the bottom of the shell, and the flange plate is also fixedly connected to the other side of the bottom of the shell in a welding mode.
Preferably, the name of the silencer formed by the shell is R80I, and the silencer is suitable for a storage battery.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the otter board, baffle, aperture and glass fiber that set up, need not use porous sound absorbing material, also can increase of service life and can promote the noise elimination effect in high temperature, high-speed, moisture vapor, dust-laden, oiliness and the gas that has corrosivity to sound absorbing material.
2. The low-frequency noise-reducing device can be used in a low-frequency environment by reducing the noise of low frequency, medium and low frequency bands, so that the noise elimination effect on the low-frequency noise is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is a schematic cross-sectional view of the present utility model.
In the figure: 1. a lower cover; 2. an upper cover; 3. glass fiber; 4. a screen plate; 5. a small hole; 6. an air inlet pipe; 7. a partition plate; 8. a bracket; 9. a flange plate; 10. a housing; 11. and (3) small holes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the present utility model provides a technical solution: including casing 10, be equipped with upper cover 2 in the middle of the casing 10 top, casing 10 bottom is equipped with lower cover 1, upper cover 2 swing joint is at casing 10 top, lower cover 1 swing joint is in casing 10 bottom, casing 10 right side is equipped with intake pipe 6, casing 10 top left side is equipped with blast pipe 5, intake pipe 6 and blast pipe 5 extend to inside the casing 10, intake pipe 6 below is equipped with baffle 7, baffle 7 passes through welded fastening and is equipped with otter board 4 in casing 10 bottom, casing 10 inner wall is equipped with otter board 4, otter board 4 top is equipped with glass fine 3, glass fine 3 bottom passes through installation screw fixed connection in otter board 4 top, glass fine 3 passes through welded fastening at casing 10 inner wall.
Specifically, the baffle 7 is provided with a plurality of small holes 11, and the number of the small holes 11 is a plurality.
Specifically, a bracket 8 is arranged on one side of the bottom of the shell 10, the bracket 8 is fixedly connected to one side of the bottom of the shell 10 in a welding mode, a flange 9 is arranged on the other side of the bottom of the shell 10, and the flange 9 is also fixedly connected to the other side of the bottom of the shell 10 in a welding mode.
Specifically, the name of the muffler formed by the shell 10 is R80I, and the muffler is suitable for a storage battery.
In this embodiment, the practical resistance muffler named R80I of the present utility model is suitable for a battery, and is formed by combining a pipe and a chamber with abrupt interfaces, such as an acoustic filter, and is similar to an electrical filter, the upper cover 2 and the lower cover 1 form a protection member of the housing 10, the air is introduced through the air inlet pipe 6, passes through the partition 7 and other components, the high-pressure air flow enters the cavity through multiple flow control in the housing 10, the acoustic frequency of the original air flow is changed step by step, the sound waves are reflected and interfered during propagation, the acoustic energy is reduced to achieve the purpose of silencing, the air pressure is discharged from the exhaust pipe 5 through the small holes 11 on the partition 7, the mesh plate 4 serves as a silencing unit, the glass fiber 3 in the middle of the housing 10 has the advantages of light weight, high strength, high temperature resistance, corrosion resistance, heat insulation, sound absorption, good electrical insulation property, etc., the service life of the housing 10 can be prolonged, the positioning and connection of the housing 10 through the bracket 8 and the flange 9 play an important role, the disassembly is more convenient, the noise of low frequency and medium frequency band can also be improved in the high-speed, the sound absorption, dust-containing, dust containing, and dust containing materials can be used for silencing the sound absorption effect.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
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, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. A resistive muffler comprising a housing (10), characterized in that: be equipped with upper cover (2) in the middle of casing (10) top, casing (10) bottom is equipped with lower cover (1), upper cover (2) swing joint is at casing (10) top, lower cover (1) swing joint is in casing (10) bottom, casing (10) right side is equipped with intake pipe (6), casing (10) top left side is equipped with blast pipe (5), intake pipe (6) and blast pipe (5) extend to casing (10) inside, intake pipe (6) below is equipped with baffle (7), baffle (7) are through welded fastening in casing (10) inner bottom, casing (10) inner wall is equipped with otter board (4), otter board (4) top is equipped with glass fine (3), glass fine (3) bottom is through mounting screw fixed connection in otter board (4) top, glass fine (3) are through welded mode fixed connection in casing (10) inner wall.
2. A resistive muffler as defined in claim 1, wherein: the baffle (7) is provided with a plurality of small holes (11), and the number of the small holes (11) is a plurality.
3. A resistive muffler as defined in claim 1, wherein: the novel portable electric power generation device is characterized in that a support (8) is arranged on one side of the bottom of the shell (10), the support (8) is fixedly connected to one side of the bottom of the shell (10) in a welding mode, a flange plate (9) is arranged on the other side of the bottom of the shell (10), and the flange plate (9) is fixedly connected to the other side of the bottom of the shell (10) in a welding mode.
4. A resistive muffler as defined in claim 1, wherein: the muffler formed by the shell (10) is named as R80I and is suitable for a storage battery.
CN202322086413.3U 2023-08-04 2023-08-04 Resistant muffler Active CN220395801U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322086413.3U CN220395801U (en) 2023-08-04 2023-08-04 Resistant muffler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322086413.3U CN220395801U (en) 2023-08-04 2023-08-04 Resistant muffler

Publications (1)

Publication Number Publication Date
CN220395801U true CN220395801U (en) 2024-01-26

Family

ID=89601400

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322086413.3U Active CN220395801U (en) 2023-08-04 2023-08-04 Resistant muffler

Country Status (1)

Country Link
CN (1) CN220395801U (en)

Similar Documents

Publication Publication Date Title
CN203743083U (en) Fan silencer used for dust remover
CN209354254U (en) For the inlet and outlet ventilation denoising device in vehicular Gas Turbine Generating Units
CN214403764U (en) Silencing and noise reducing device for diesel generating set
CN102230407A (en) Resistance-and-reactance-compounded exhaust silencer
CN103850987A (en) Fan muffler for dust remover
CN106401697B (en) A kind of diesel generating set composite muffler
CN220395801U (en) Resistant muffler
CN210660275U (en) Range extender engine laboratory exhaust system
CN206429284U (en) A kind of diesel generating set composite muffler
CN205306900U (en) Silencer for dust collector
CN202117739U (en) Resistant/retardant combined type exhaust muffler
CN212003322U (en) Environment-friendly energy-saving silencer of engine
CN204783178U (en) Exhausting silencer
CN220415494U (en) Mute variable-frequency muffler
CN210370855U (en) Automobile exhaust pipe silencing device
CN112576336A (en) Spark extinguishing silencer with resonant cavity
CN106014540A (en) Engine rotating silencer
CN220539724U (en) Muffler
WO2009043222A1 (en) An exhaust noise damping system for a silencing dynamotor set
CN211230580U (en) Spark extinguishing silencer with resonant cavity
CN217421355U (en) Distributed refrigerating unit with sound insulation and noise reduction functions
CN220623050U (en) Resistive wall muffler
CN215057658U (en) Silence silencer combination with simple resonant cavity
CN211258776U (en) High temperature resistant silencer for car
CN217080793U (en) Roots blower silencer

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant