CN212647875U - Building block combined honeycomb type silencer - Google Patents
Building block combined honeycomb type silencer Download PDFInfo
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- CN212647875U CN212647875U CN202020886074.0U CN202020886074U CN212647875U CN 212647875 U CN212647875 U CN 212647875U CN 202020886074 U CN202020886074 U CN 202020886074U CN 212647875 U CN212647875 U CN 212647875U
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- fixedly connected
- silencing
- casing
- noise elimination
- muffler
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Abstract
The utility model relates to a combined honeycomb formula silencer of building blocks relates to the technical field of silencer, and it includes the casing, be equipped with the ventilation chamber that is used for the ventilation in the casing, a plurality of noise elimination units of ventilation intracavity fixedly connected with, noise elimination unit lateral wall is equipped with a plurality of through-holes that link up, a plurality of parallel resistance formula noise elimination pieces of each other of fixedly connected with in the noise elimination unit, resistance formula noise elimination piece is parallel to each other with the ventilation direction, the outer wall of casing is equipped with centrifugal glass cotton, noise elimination unit's outer wall is equipped with centrifugal glass cotton, noise elimination unit inner wall is equipped with alkali-free glass cotton. The utility model discloses can realize the noise elimination unit of the different specifications of mechanized processing, the concatenation is installed in the scene in a flexible way for the convenient rapid of installation of silencer.
Description
Technical Field
The utility model belongs to the technical field of the technique of silencer and specifically relates to a combined honeycomb formula silencer of building blocks is related to.
Background
The silencer is used for the airflow pipeline with noise transmission, and can attenuate or reflect the noise in the pipeline by using noise reduction devices such as pipelines and elbows with sound absorption linings or pipelines with suddenly changed sectional areas and other discontinuous acoustic impedances. The former is called resistive muffler, the latter is called reactive muffler, and there are also impedance compound mufflers.
Chinese patent with publication number CN207165230U discloses a sheet type muffler, which comprises a housing, two inside semi-muffling sheets are arranged inside the housing, two or more muffling sheets are arranged between the semi-muffling sheets, the muffling sheets are connected with the muffling sheets in an articulated manner, the muffling sheets are connected with the housing in a rotating shaft manner, the outside of the muffling sheets is composed of perforated plates, an interlayer is arranged inside the muffling sheets to divide the muffling sheets into two cavities, and muffling materials are filled in the cavities.
The above prior art solutions have the following drawbacks: the silencer in the above-mentioned structure is because of the quantity of noise elimination piece is more when the installation, need install the mounting groove with noise elimination piece one during the installation to need install the noise elimination piece with the direction that corresponds from the both ends of casing, still need adjust the angle of noise elimination piece, make the installation of silencer comparatively difficult.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, one of the purposes of the utility model is to provide a combined honeycomb formula silencer of building blocks, its noise elimination unit that can realize the different specifications of mechanized processing, the concatenation is installed in the scene in a flexible way for the installation of silencer is convenient rapidly.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a combined honeycomb formula silencer of building blocks, includes the casing, be equipped with the ventilation chamber that is used for the ventilation in the casing, a plurality of noise elimination units of ventilation intracavity fixedly connected with, noise elimination unit lateral wall is equipped with a plurality of through-holes, the interior fixedly connected with of noise elimination unit hinders formula noise elimination piece that a plurality of are parallel to each other, it is parallel to each other with the ventilation direction to hinder formula noise elimination piece, the outer wall of casing is equipped with centrifugal glass cotton, noise elimination unit's outer wall is equipped with centrifugal glass cotton, noise elimination unit inner wall is equipped with alkali-free glass cotton.
Through adopting above-mentioned technical scheme, according to actual need with fixed connection together between a plurality of noise elimination units, equal fixedly connected with hinders formula noise elimination piece in each noise elimination unit, need not to install one of hindering formula installation piece when the on-the-spot equipment is installed, only need in the installation with noise elimination unit between fixed connection can, then with noise elimination unit fixed connection in the casing, so make the installation of silencer more swift convenient.
The present invention may be further configured in a preferred embodiment as: the casing lateral wall fixedly connected with of ventilation chamber one end connects protrudingly, the casing is for connecting bellied one side fixedly connected with connecting groove, connecting protrusion and connecting groove cooperate, the casing outer wall is equipped with and is used for connecting protruding and connecting groove fixed connecting piece together.
If the silencing effect of the silencing unit arranged in the single shell is not enough, the shells can be connected to improve the silencing effect by increasing the silencing unit, by adopting the technical scheme, the connecting bulge on one shell is inserted into the connecting groove of the other shell when the two adjacent shells are installed, and then the two shells are fixed together by the fixed connecting piece on the outer wall of each shell, so that the two adjacent shells can be connected more conveniently.
The present invention may be further configured in a preferred embodiment as: the shell at both ends of the ventilation cavity is respectively and fixedly connected with an inlet connecting pipe and an outlet connecting pipe, the inlet of the inlet connecting pipe is fixedly connected with an inlet flange, and the outlet of the outlet connecting pipe is fixedly connected with an outlet flange.
Through adopting above-mentioned technical scheme, the both ends fixedly connected with inlet connection pipe and the outlet connection pipe in ventilation chamber, the inlet flange and the inlet pipe fixed connection of inlet connection pipe one end are in the same place, the outlet flange and the outlet pipe fixed connection of outlet connection pipe are in the same place, the setting of inlet flange and outlet flange can make the silencer more convenient with being connected between inlet pipe and the outlet pipe.
The present invention may be further configured in a preferred embodiment as: the import connecting pipe is gradually increased towards casing direction pipe diameter by the import, the export connecting pipe is gradually increased towards casing direction pipe diameter by the export.
Through adopting above-mentioned technical scheme, the one end pipe diameter that the casing was kept away from to the import connecting pipe is less, and the one end pipe diameter that the casing was kept away from to the export connecting pipe is less, can be so that the import connecting pipe is more convenient with being connected of import pipeline, and it is more convenient with being connected of export pipeline to export connecting pipe, is difficult for appearing the phenomenon that import connecting pipe is greater than import pipeline and export connecting pipe is greater than export pipeline and can't connect.
The present invention may be further configured in a preferred embodiment as: the shell is connected with the inlet connecting pipe, one end of the shell is provided with a first guide plate, the cross section of the guide plate is triangular, one end of the shell connected with the outlet connecting pipe is provided with a second guide plate, and the cross section of the second guide plate is triangular.
By adopting the technical scheme, the guide plate can play a role in guiding, so that the wind entering the shell flows to the resistance type silencing sheet and the side wall of the silencing unit through the guide of the guide plate, and the silencing unit can better play a role in silencing.
The present invention may be further configured in a preferred embodiment as: the first guide plate and the resistance type silencing piece are located on the same plane, and the second guide plate and the resistance type silencing piece are located on the same plane.
By adopting the technical scheme, the guide plate which is positioned on the same plane with the resistance type silencer can protect the resistance type silencer, so that wind is not easy to directly blow on the resistance type silencer.
The present invention may be further configured in a preferred embodiment as: and two adjacent silencing units are fixedly connected together through a fastener.
By adopting the technical scheme, the adjacent silencing units are fixedly connected, so that the positions of the silencing units are more fixed, and the silencing work between the silencing units is more stable.
The present invention may be further configured in a preferred embodiment as: the end face of the inlet flange, which deviates from the shell, is fixedly connected with a sealing gasket, and the end face of the outlet flange, which deviates from the shell, is fixedly connected with a sealing gasket.
Through adopting above-mentioned technical scheme, the setting of seal gasket can be so that the leakproofness between import flange and outlet flange and the connecting tube is better for the leakproofness between silencer and the connecting tube is better.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the noise elimination units are fixedly connected together according to actual needs, and each noise elimination unit is internally and fixedly connected with the resistance type noise elimination sheet, so that the resistance type noise elimination sheets do not need to be installed one by one during field assembly and installation, the noise elimination units only need to be fixedly connected during installation, and then the noise elimination units are fixedly connected into the shell, and the installation of the noise eliminator is more rapid and convenient;
2. the first guide plate and the second guide plate can guide wind in the shell, so that the wind entering the shell flows to the side walls of the resistance type silencing sheet and the silencing unit through the guide of the guide plates, the silencing unit can better play a role in silencing, the sealing gasket can enable the sealing performance between the inlet flange and the outlet flange and the connecting pipeline to be better, and the sealing performance between the silencer and the connecting pipeline to be better.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic structural view of the connection between the housing and the muffler unit;
fig. 4 is a schematic structural diagram of the muffler unit of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 2 at A;
fig. 6 is a sectional view for embodying a connecting structure of the muffler unit;
fig. 7 is a partially enlarged view at B in fig. 6.
In the figure, 1, a housing; 2. an inlet connection pipe; 3. an outlet connection pipe; 4. an inlet flange; 5. an outlet flange; 6. a sound attenuation unit; 7. a connecting groove; 8. a connecting projection; 9. fixing the connecting piece; 10. a ventilation cavity; 11. centrifuging the glass wool; 12. a first guide plate; 13. alkali-free glass wool; 14. a resistive muffler sheet; 15. a second guide plate; 16. a through hole; 17. sealing gaskets; 18. connecting grooves; 19. connecting blocks; 20. a fastener; 21. a first connecting hole; 22. and a second connecting hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a building block combined honeycomb muffler, including a housing 1, be equipped with the ventilation chamber 10 that is used for the ventilation in the housing 1, fixedly connected with three noise elimination unit 6 in the ventilation chamber 10, ventilation chamber 10 both ends fixedly connected with import connecting pipe 2 and export connecting pipe 3, import flange 4 is fixedly connected with at the import department of import connecting pipe 2, export flange 5 is fixedly connected with at the exit of export connecting pipe 3, import connecting pipe 2 is from the import department towards housing 1 direction pipe diameter increase gradually, export connecting pipe 3 from the exit towards housing 1 direction pipe diameter increase gradually; the setting of inlet flange 4 can make things convenient for inlet connection pipe 2 and inlet pipe to link together, the setting of outlet flange 5 can make things convenient for outlet connection pipe 3 and outlet pipe to link together, the one end pipe diameter that casing 1 was kept away from to inlet connection pipe 2 is less, the one end pipe diameter that casing 1 was kept away from to outlet connection pipe 3 is less, can be so that inlet connection pipe 2 and outlet connection pipe 3's connection is more convenient.
Referring to fig. 3 and 4, a through hole 16 is formed in the side wall of the silencing unit 6, three parallel resistance silencing pieces 14 are fixedly connected in the silencing unit 6, the resistance silencing pieces 14 are parallel to the ventilation direction, centrifugal glass wool 11 is arranged on the outer wall of the shell 1, centrifugal glass wool 11 is arranged on the outer wall of the silencing unit 6, and alkali-free glass wool 13 is arranged on the inner wall of the silencing unit 6; when the silencer is installed, the three silencing units 6 are sequentially and fixedly connected together, and then the silencing units 6 are fixedly connected into the shell 1, so that the silencer can be installed more quickly and conveniently.
Referring to fig. 3 and 5, a connecting protrusion 8 is fixedly connected to a side wall of the housing 1 at one end of the ventilation cavity 10, a connecting groove 7 is fixedly connected to one side of the housing 1 opposite to the connecting protrusion 8, the connecting protrusion 8 is matched with the connecting groove 7, a connecting hole i 21 is formed in an outer wall of the connecting groove 7, a connecting hole ii 22 coaxial with the connecting hole i 21 is formed in the connecting protrusion 8, the connecting hole i 21 and the connecting hole ii 22 are threaded holes, a fixed connecting piece 9 penetrates through the connecting hole i 21 and the connecting hole ii 22, the fixed connecting piece 9 is a bolt, and the fixed connecting piece 9 penetrates through the connecting hole i 21 and the connecting hole ii 22 to abut against the other side wall of the connecting groove 7, so that two adjacent housings; if 6 noise cancelling effect of the noise elimination unit that sets up in casing 1 is not enough, can connect a plurality of casings 1 in order to increase noise cancelling unit 6 and improve noise cancelling effect, so set up the transportation that can make things convenient for casing 1, make casing 1 more conveniently transport the field assembly, in the equipment, insert the connecting protrusion 8 on a casing 1 in the connecting groove 7 of adjacent casing 1, make connecting hole one 21 and connecting hole two 22 coaxial line, then penetrate connecting hole one 21 and connecting hole two 22 with fixed connector 9 and fix, so can make the connection of two adjacent casings 1 more convenient.
Referring to fig. 3 and 6, a first guide plate 12 is arranged at one end of an air inlet of a shell 1, the section of the first guide plate 12 is in an equilateral triangle shape, the first guide plate 12 and a resistance type silencing sheet 14 are positioned in the same plane, a second guide plate 15 is arranged at one end of the shell 1 connected with an outlet connecting pipe 3, the section of the second guide plate 15 is in an equilateral triangle shape, and the second guide plate 15 and the resistance type silencing sheet 14 are positioned in the same plane; the first guide plate 12 and the second guide plate 15 can guide wind, so that the wind entering the shell 1 flows towards the side walls of the resistance type silencing sheet 14 and the silencing unit 6 through the guide of the guide plates, the silencing unit 6 can better play a role in silencing, the first guide plate 12 and the second guide plate 15 which are positioned on the same plane as the resistance type silencing sheet 14 can protect the resistance type silencing sheet 14, and the wind is not easy to directly blow to the resistance type silencing sheet 14.
Referring to fig. 6 and 7, one end of each silencing unit 6 is provided with a connecting block 19, the other end of each silencing unit 6 is provided with a connecting groove 18, the connecting block 19 and the connecting groove 18 are matched with each other, two adjacent silencing units 6 are inserted together, the two adjacent silencing units 6 are fixedly connected together by a fastening piece 20, the fastening piece 20 is a rivet, and the two adjacent silencing units 6 are connected together by the fastening piece 20, so that the positions of the silencing units 6 are more fixed, and the silencing work between the silencing units 6 is more stable.
Referring to fig. 1, the end face of the inlet flange 4 away from the housing 1 is fixedly connected with a sealing gasket 17, and the end face of the outlet flange 5 away from the housing 1 is fixedly connected with the sealing gasket 17; the sealing gasket 17 can make the sealing performance between the inlet flange 4 and the connecting pipeline as well as between the outlet flange 5 and the connecting pipeline better, so that the sealing performance between the silencer and the connecting pipeline is better.
The implementation principle of the embodiment is as follows: the adjacent silencing units 6 are connected in an inserting mode, the fastening pieces 20 are fixedly connected together, then the silencing units 6 are fixedly connected into the shell 1, the adjacent shells 1 are fixedly connected together through the fixed connecting pieces 9, then the inlet connecting pipes 2 fixedly connected with one sides of the shells 1 are connected with the air inlet pipeline, the outlet connecting pipes 3 fixedly connected with the other sides of the shells 1 are connected with the outlet pipeline, and therefore the silencing units 6 can be installed more quickly and conveniently.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A building block combined type honeycomb muffler comprises a shell (1), and is characterized in that: the novel silencer is characterized in that a ventilation cavity (10) used for ventilation is arranged in the shell (1), a plurality of silencing units (6) are fixedly connected in the ventilation cavity (10), a plurality of through holes (16) are formed in the side wall of each silencing unit (6), a plurality of mutually parallel resistance silencing sheets (14) are fixedly connected in the silencing units (6), the resistance silencing sheets (14) are mutually parallel to the ventilation direction, centrifugal glass wool (11) is arranged on the outer wall of the shell (1), centrifugal glass wool (11) is arranged on the outer wall of each silencing unit (6), and alkali-free glass wool (13) is arranged on the inner wall of each silencing unit (6).
2. The modular honeycomb muffler of claim 1, wherein: casing (1) lateral wall fixedly connected with of ventilation chamber (10) one end connects arch (8), casing (1) is for connecting one side fixedly connected with connecting groove (7) of arch (8), connecting arch (8) and connecting groove (7) cooperate, casing (1) outer wall is equipped with and is used for connecting arch (8) and connecting groove (7) fixed connecting piece (9) together.
3. The modular honeycomb muffler of claim 2, wherein: the shell (1) at both ends of the ventilation cavity (10) is respectively fixedly connected with an inlet connecting pipe (2) and an outlet connecting pipe (3), the inlet of the inlet connecting pipe (2) is fixedly connected with an inlet flange (4), and the air outlet of the outlet connecting pipe (3) is fixedly connected with an outlet flange (5).
4. The modular honeycomb muffler of claim 3, wherein: import connecting pipe (2) are gradually increased towards casing (1) direction pipe diameter by the import, export connecting pipe (3) are gradually increased towards casing (1) direction pipe diameter by the export.
5. The modular honeycomb muffler of claim 1, wherein: casing (1) links to each other one end with import connecting pipe (2) and is equipped with guide plate one (12), guide plate one (12) cross-section is triangle-shaped, the one end that casing (1) and export connecting pipe (3) link to each other is equipped with guide plate two (15), guide plate two (15) cross-section is triangle-shaped.
6. The modular honeycomb muffler of claim 5, wherein: the first guide plate (12) and the resistance type silencing piece (14) are positioned on the same plane, and the second guide plate (15) and the resistance type silencing piece (14) are positioned on the same plane.
7. The modular honeycomb muffler of claim 1, wherein: two adjacent silencing units (6) are fixedly connected together through a fastener (20).
8. The modular honeycomb muffler of claim 4, wherein: the end face of the inlet flange (4) deviating from the shell (1) is fixedly connected with a sealing gasket (17), and the end face of the outlet flange (5) deviating from the shell (1) is fixedly connected with the sealing gasket (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020886074.0U CN212647875U (en) | 2020-05-23 | 2020-05-23 | Building block combined honeycomb type silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020886074.0U CN212647875U (en) | 2020-05-23 | 2020-05-23 | Building block combined honeycomb type silencer |
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| Publication Number | Publication Date |
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| CN212647875U true CN212647875U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020886074.0U Active CN212647875U (en) | 2020-05-23 | 2020-05-23 | Building block combined honeycomb type silencer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113284478A (en) * | 2021-04-20 | 2021-08-20 | 厦门大学 | Differential pressure self-adaptive massage chair silencer |
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2020
- 2020-05-23 CN CN202020886074.0U patent/CN212647875U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113284478A (en) * | 2021-04-20 | 2021-08-20 | 厦门大学 | Differential pressure self-adaptive massage chair silencer |
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