CN204175366U - Novel diesel engine silencing apparatus - Google Patents

Novel diesel engine silencing apparatus Download PDF

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Publication number
CN204175366U
CN204175366U CN201420528999.2U CN201420528999U CN204175366U CN 204175366 U CN204175366 U CN 204175366U CN 201420528999 U CN201420528999 U CN 201420528999U CN 204175366 U CN204175366 U CN 204175366U
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shell
diesel engine
anechoic room
suction tude
dividing plate
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CN201420528999.2U
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Chinese (zh)
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周洁
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周洁
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Abstract

The utility model discloses a kind of Novel diesel engine silencing apparatus, belong to Diesel Engine Technique Field.A kind of Novel diesel engine silencing apparatus of the present utility model, comprise upper shell, noise elimination dividing plate and lower shell body, described upper shell one end is provided with suction port, described lower shell body one end is provided with outlet pipe, described upper shell and lower shell body are connected and inside forms a cavity, described noise elimination dividing plate to be arranged in this cavity and cavity to be separated into the first anechoic room and the second anechoic room that distribute up and down, described noise elimination dividing plate one end is provided with noise reduction hole, the other end is provided with suction tude, described suction tude one end is connected with the second anechoic room, the other end is connected with ambient air after stretching out the suction port of upper shell, described suction tude sidewall also offers the vent be connected with the first anechoic room.It is simple that the utility model provides a kind of structure, and reasonable in design ingenious, functional reliability is high, the good diesel engine silencer of acoustic attenuation performance.

Description

Novel diesel engine silencing apparatus
Technical field
The utility model relates to a kind of silencing apparatus, more particularly, relates to a kind of Novel diesel engine silencing apparatus.
Background technique
Silencing apparatus is a kind of device stoping sound transmission and allow air-flow to pass through, and is the important measures eliminating air power noise.The device of the reduction noise on the air-flow path that silencing apparatus is mounted in air powered equipment (equipment as larger in relief opening noises such as blower, air compressor, boiler exhaust mouth, generator, water pumps) or in inlet and exhaust system.
Through patent retrieval, Chinese Patent Application No. 201210220377.9, Shen Qing Publication day is on January 15th, 2014, invention and created name is: silencer of diesel engine electric generator, this application case relates to a kind of silencer of diesel engine electric generator and comprises housing, suction port, relief opening, noise elimination dividing plate, honeycomb duct, lancing door and sealing cover, housing is provided with suction port and relief opening, noise elimination dividing plate is provided with in housing, honeycomb duct is fixed with between noise elimination dividing plate, housing side is provided with lancing door, and lancing door is provided with sealing cover.The advantage of this application case is that structure is comparatively simple.But body is come for silencing apparatus, its major function is stress release treatment and exhausting air, and the silencing apparatus of this application case, multiple dividing plate is provided with in cavity, and the axis of each honeycomb duct is not located on the same line, for air-flow, noise elimination dividing plate serves the effect of obstruction to air-flow, reduces the performance of silencing apparatus.
Summary of the invention
1. the model utility technical problem that will solve
It is complicated that the purpose of this utility model is to overcome acoustic wave filter structure in prior art, or acoustic attenuation performance can not meet the deficiency of usage requirement, provide a kind of Novel diesel engine silencing apparatus, adopt the technical solution of the utility model, structure is simple, cheap for manufacturing cost, noise elimination noise reduction Be very effective, even if Long-Time Service also can not reduce performance.
2. technological scheme
For achieving the above object, the technological scheme that the utility model provides is:
A kind of Novel diesel engine silencing apparatus of the present utility model, comprise upper shell, noise elimination dividing plate and lower shell body, described upper shell one end is provided with suction port, described lower shell body one end is provided with outlet pipe, described upper shell and lower shell body are connected and inside forms a cavity, described noise elimination dividing plate to be arranged in this cavity and cavity to be separated into the first anechoic room and the second anechoic room that distribute up and down, described noise elimination dividing plate one end is provided with noise reduction hole, the other end is provided with suction tude, described suction tude one end is connected with the second anechoic room, the other end is connected with ambient air after stretching out the suction port of upper shell, described suction tude sidewall also offers the vent be connected with the first anechoic room.
Further, the first described anechoic room and the inwall of the second anechoic room are equipped with glass fibre, and described glass fibre is fixed on inwall by dunnage.
Further, described suction tude bottom is arranged with noise reducing pipe, and described noise reducing pipe one end is connected with suction tude by vent, and the other end is connected with the first anechoic room.
Further, the vent on suction tude sidewall has two rows arranged in parallel, and often row has four.
Further, described upper shell and the outside of lower shell body are provided with stiffening rib.
3. beneficial effect
The technological scheme adopting the utility model to provide, compared with existing known technology, has following beneficial effect:
(1) a kind of Novel diesel engine silencing apparatus of the present utility model, its upper shell one end is provided with suction port, lower shell body one end is provided with outlet pipe, and upper shell and lower shell body are connected and inner form a cavity, be provided with noise elimination dividing plate in this cavity and cavity be separated into the first anechoic room and the second anechoic room that distribute up and down, this structure is according to expansion noise reduction and pressure limiting discharge principle, and carry out noise elimination noise reduction process to air-flow, soundproof effect is better;
(2) a kind of Novel diesel engine silencing apparatus of the present utility model, a noise elimination dividing plate is only provided with in the cavity that upper shell and lower shell body are formed, for the multiple noise elimination dividing plates adopted in prior art, not only manufactured materials can be greatly reduced, reduce cost of production, the obstruction to air-flow can also be reduced, improve acoustic attenuation performance further;
(3) a kind of Novel diesel engine silencing apparatus of the present utility model, structure is simple and clear, effectively reasonable in design, and reliable operation is practical, low production cost, is applicable to extensively promoting the use of.
Accompanying drawing explanation
Fig. 1 is the fractionation structural representation of a kind of Novel diesel engine silencing apparatus of the present utility model;
Fig. 2 is the structure schematic diagram of dividing plate of eliminating the noise in the utility model;
Fig. 3 is the structural representation of suction tude in the utility model.
Label declaration in schematic diagram: 1, upper shell; 11, suction port; 2, noise elimination dividing plate; 21, noise reducing pipe; 22, suction tude; 221, vent; 3, lower shell body; 31, outlet pipe.
Embodiment
For understanding content of the present utility model further, by reference to the accompanying drawings the utility model is described in detail.
Composition graphs 1, Fig. 2 and Fig. 3, a kind of Novel diesel engine silencing apparatus of the present utility model, comprise upper shell 1, noise elimination dividing plate 2 and lower shell body 3, upper shell 1 one end is provided with suction port 11, lower shell body 3 one end is provided with outlet pipe 31, upper shell 1 and lower shell body 3 are connected and inside forms a cavity, noise elimination dividing plate 2 to be arranged in this cavity and cavity to be separated into the first anechoic room and the second anechoic room that distribute up and down, noise elimination dividing plate 2 one end is provided with noise reduction hole, the other end is provided with suction tude 22, suction tude 22 one end is connected with the second anechoic room, the other end is connected with ambient air after stretching out the suction port 11 of upper shell 1, suction tude 22 sidewall also offers the vent 221 be connected with the first anechoic room.
Below in conjunction with embodiment, the utility model will be further described.
Embodiment
As depicted in figs. 1 and 2, a kind of Novel diesel engine silencing apparatus of the present embodiment, comprise upper shell 1, noise elimination dividing plate 2 and lower shell body 3, upper shell 1 one end is provided with suction port 11, lower shell body 3 one end is provided with outlet pipe 31, upper shell 1 and lower shell body 3 are connected and inside forms a cavity, noise elimination dividing plate 2 to be arranged in this cavity and cavity to be separated into the first anechoic room and the second anechoic room that distribute up and down, the intermediate portion of noise elimination dividing plate 2 convexes to form the wide boss in middle narrow two ends to the direction of the second anechoic room, one end of this boss has several noise reduction holes evenly arranged, the other end is welded with suction tude 22, suction tude 22 one end is connected with the second anechoic room through after above-mentioned noise elimination dividing plate 2, the other end is connected with ambient air after stretching out the suction port 11 of upper shell 1, and the outer wall dimension of suction tude 22 will match with the inner wall size of suction port 11, to make this diesel engine silencer, there is good sealing.In addition, suction tude 22 sidewall of the present embodiment also offers multiple vent 221, the concrete quantity of these vents 221 is eight, is arranged in two rows along suction tude 22 parallel to an axis, and often row has four vents 221 (as shown in Figure 3).Also be arranged with the noise reducing pipe 21 that an opening is rectangular in the bottom of suction tude 22, this noise reducing pipe 21 one end is connected with the first anechoic room, and the other end is connected with suction tude 22 by vent 221, and adopt said structure, reliable operation, soundproof effect is better.
First anechoic room of the present embodiment and the inwall of the second anechoic room are equipped with glass fibre, and glass fibre is fixed on inwall, for noise reduction sound-deadening by dunnage.In addition, be provided with some crisscross stiffening ribs in the outside of upper shell 1 and lower shell body 3, to strengthen upper shell 1, the structural strength of lower shell body 3 and rigidity.
A kind of Novel diesel engine silencing apparatus of the present embodiment, by expansion noise reduction and pressure limiting discharge principle, noise elimination noise reduction is carried out to the air-flow entered, structure is simple and clear, effectively reasonable in design, relative to the multiple noise elimination dividing plates adopted in prior art, the present embodiment use only a noise elimination dividing plate 2, not only manufactured materials can be greatly reduced, reduce cost of production, can also improve the acoustic attenuation performance of the present embodiment, be achieve many things at one stroke.
Schematically above be described the utility model and mode of execution thereof, this description does not have restricted, and also just one of the mode of execution of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the mode of structure similar to this technological scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.

Claims (5)

1. a Novel diesel engine silencing apparatus, it is characterized in that: comprise upper shell (1), noise elimination dividing plate (2) and lower shell body (3), described upper shell (1) one end is provided with suction port (11), described lower shell body (3) one end is provided with outlet pipe (31), described upper shell (1) and lower shell body (3) are connected and inside forms a cavity, described noise elimination dividing plate (2) to be arranged in this cavity and cavity to be separated into the first anechoic room and the second anechoic room that distribute up and down, described noise elimination dividing plate (2) one end is provided with noise reduction hole, the other end is provided with suction tude (22), described suction tude (22) one end is connected with the second anechoic room, the suction port (11) that the other end stretches out upper shell (1) is connected with ambient air afterwards, described suction tude (22) sidewall also offers the vent (221) be connected with the first anechoic room.
2. Novel diesel engine silencing apparatus according to claim 1, is characterized in that: the first described anechoic room and the inwall of the second anechoic room are equipped with glass fibre, and described glass fibre is fixed on inwall by dunnage.
3. Novel diesel engine silencing apparatus according to claim 2, it is characterized in that: described suction tude (22) bottom is arranged with noise reducing pipe (21), described noise reducing pipe (21) one end is connected with suction tude (22) by vent (221), and the other end is connected with the first anechoic room.
4. Novel diesel engine silencing apparatus according to claim 3, is characterized in that: the vent (221) on described suction tude (22) sidewall has two rows arranged in parallel, and often row has four.
5. Novel diesel engine silencing apparatus according to claim 4, is characterized in that: described upper shell (1) and the outside of lower shell body (3) are provided with stiffening rib.
CN201420528999.2U 2014-09-15 2014-09-15 Novel diesel engine silencing apparatus Active CN204175366U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420528999.2U CN204175366U (en) 2014-09-15 2014-09-15 Novel diesel engine silencing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420528999.2U CN204175366U (en) 2014-09-15 2014-09-15 Novel diesel engine silencing apparatus

Publications (1)

Publication Number Publication Date
CN204175366U true CN204175366U (en) 2015-02-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420528999.2U Active CN204175366U (en) 2014-09-15 2014-09-15 Novel diesel engine silencing apparatus

Country Status (1)

Country Link
CN (1) CN204175366U (en)

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