CN220705792U - Silencer partition board - Google Patents
Silencer partition board Download PDFInfo
- Publication number
- CN220705792U CN220705792U CN202322360444.3U CN202322360444U CN220705792U CN 220705792 U CN220705792 U CN 220705792U CN 202322360444 U CN202322360444 U CN 202322360444U CN 220705792 U CN220705792 U CN 220705792U
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- CN
- China
- Prior art keywords
- baffle plate
- baffle
- plate
- main
- semicircular
- 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.)
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Links
- 238000005192 partition Methods 0.000 title claims description 15
- 230000003584 silencer Effects 0.000 title abstract description 20
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- 210000003205 muscle Anatomy 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 239000011358 absorbing material Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000001743 silencing effect Effects 0.000 description 3
- 230000030279 gene silencing Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Abstract
The utility model discloses a silencer baffle plate, which comprises a main baffle plate and an auxiliary baffle plate, wherein a panel body of the main baffle plate is fixedly provided with the auxiliary baffle plate through a semicircular plate, exhaust pipe mounting holes are formed in the surfaces of the auxiliary baffle plate and the main baffle plate outside the semicircular plate in a penetrating way, sound absorption inner bags are adhered in concave plate grooves of the semicircular plate in a staggered way, the main baffle plate and the auxiliary baffle plate are connected through the semicircular plate and side connecting plates to form a whole turbulent flow baffle plate, the turbulent flow baffle plate can be directly fixed in a shell of an automobile silencer, and then exhaust pipe mounting holes of the main baffle plate and the auxiliary baffle plate can penetrate through an exhaust pipeline, so that the turbulent flow baffle plate in the shell of the automobile silencer can be used for carrying out air passing through by virtue of a short exhaust pipeline, and after the air flow of automobile exhaust is flushed to the main baffle plate, the multi-shaped baffle plate body is matched with an extra air passing turbulent flow structure, the turbulent flow can be used for carrying out strong turbulent flow sound absorption and noise reduction, and the sound reduction of the air flow, and the sound absorption effect of the turbulent flow at the silencer baffle plate is better realized.
Description
Technical Field
The utility model relates to the technical field of automobile silencers, in particular to a silencer baffle plate.
Background
The rear muffler for an exhaust pipe of an automobile is generally composed of two parts, namely, a baffle plate and a sound absorbing material, wherein the baffle plate is a barrier arranged in the muffler for blocking exhaust gas flow and generating reflection so as to achieve the purpose of silencing, the baffle plate is generally designed into a complex shape to increase disturbance and turbulence degree of the gas flow, so that sound is better consumed, the sound absorbing material is a loose and porous material filled in the muffler, such as cellulose, glass wool and the like, and the rear muffler for the exhaust pipe of the automobile not only comprises the baffle plate, but also comprises the sound absorbing material, and the two materials are combined together to achieve the effect of silencing.
The automobile muffler baffle needs to be set into a complex shape so as to increase the disturbance and turbulence degree of the baffle to the air flow in the muffler, but at present, in order to simplify production, automobile muffler manufacturers only use muffler baffles with undulation in the muffler, and the disturbance and turbulence degree of the muffler baffles to the air flow are limited by cost, so that the noise reduction and amplification effect of the muffler baffles to the muffler cannot reach a better degree, and in order to meet the noise reduction requirement of the automobile muffler, the shape complexity of the muffler baffles needs to be improved, and therefore, a muffler baffle is proposed.
Disclosure of Invention
The utility model mainly aims to provide a silencer baffle, which is characterized in that a main baffle and an auxiliary baffle are connected by virtue of a semicircular plate and a side connecting plate to form a whole turbulence baffle, the turbulence baffle can be directly fixed in a shell of an automobile silencer in a multi-layer manner, and then exhaust pipe mounting holes of the main baffle and the auxiliary baffle can penetrate through an exhaust pipeline, so that air passing is carried out between the turbulence baffles in the shell of the automobile silencer by virtue of a short exhaust pipeline, after the air flow of automobile exhaust rushes to the main baffle, a multi-convex-concave shaped baffle body is matched with an additional air passing turbulence structure, turbulence sound absorption and noise reduction of the air flow can be carried out more strongly, the turbulence silencing effect of the silencer baffle is better realized, and the problems in the background technology can be effectively solved.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a muffler baffle, includes the main baffle, still includes vice baffle, the one side plate body of main baffle is fixed with vice baffle through the semicircle board, and the vice baffle outside the semicircle board runs through with main baffle surface and has seted up the blast pipe mounting hole, the recess inslot dislocation bonding of semicircle board has and has inhaled the sound and wrap, and the main baffle surface outside semicircle board self notch runs through and has seted up the gas passing mouth, the main baffle surface outside gas passing mouth and the blast pipe mounting hole is provided with arc protruding muscle and indent groove respectively, and the indent inslot imbeds has inhaled a sound section of thick bamboo, it has the separation strip to inhale the sound section of thick bamboo bonding.
Further, the notch of the gas passing port is communicated with the plate groove cavity of the semicircular plate; the gas passing port can enter the semicircular plate through gas flow.
Further, a side connecting plate is welded between the edges of the plate bodies of the main partition plate and the auxiliary partition plate; the edges of the main partition plate and the auxiliary partition plate are welded, reinforced and connected by the side connecting plates.
Further, the sound-absorbing inner bag is vertically staggered and adhered in the plate groove of the semicircular plate; the semicircular plate is internally provided with a plurality of sound-absorbing inner bags to play a role in multi-point turbulence and sound absorption.
Further, a semicircular groove is concavely formed in the surface of the auxiliary partition board; semi-circular grooves increase turbulence when the surface of the secondary baffle encounters the exhaust flow of the exhaust pipe.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the main baffle plate and the auxiliary baffle plate are connected by the semicircular plate and the side connecting plate to form the whole turbulent flow baffle plate, the turbulent flow baffle plate can be directly fixed in the shell of the automobile silencer in a multi-layer manner, and then the exhaust pipe mounting holes of the main baffle plate and the auxiliary baffle plate can penetrate through the exhaust pipeline, so that the turbulent flow baffle plates in the shell of the automobile silencer can be subjected to air passing by virtue of the short exhaust pipeline, after the air flow of the automobile exhaust is flushed to the main baffle plate, the multi-convex-concave plate body is matched with an additional air passing turbulent flow structure, the turbulent flow of the air flow can be more strongly carried out, the sound absorption and noise reduction are carried out, and the turbulent flow silencing effect at the baffle plate of the silencer is better realized.
Drawings
FIG. 1 is a schematic view of the overall structure of a muffler baffle according to the present utility model.
Fig. 2 is an exploded view of a muffler baffle according to the present utility model.
Fig. 3 is a schematic view of a sound absorbing cylinder of a muffler baffle according to the present utility model.
In the figure: 1. a main partition; 2. an auxiliary separator; 3. a semicircular plate; 4. a sound-absorbing inner bag; 5. a gas passing port; 6. an exhaust pipe mounting hole; 7. arc convex ribs; 8. a concave groove; 9. a sound absorbing cylinder; 10. a separation blocking strip; 11. a side connecting plate; 12. a semicircular groove.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-3, a silencer baffle comprises a main baffle 1 and further comprises an auxiliary baffle 2, wherein an auxiliary baffle 2 is fixed on a panel body of the main baffle 1 through a semicircular plate 3, an exhaust pipe mounting hole 6 is formed in the surface of the auxiliary baffle 2 and the surface of the main baffle 1 outside the semicircular plate 3 in a penetrating manner, a sound absorbing inner bag 4 is bonded in a groove of the semicircular plate 3 in a staggered manner, an air passing port 5 is formed in the surface of the main baffle 1 outside a groove opening of the semicircular plate 3 in a penetrating manner, arc ribs 7 and concave grooves 8 are respectively arranged on the surfaces of the main baffle 1 outside the air passing port 5 and the exhaust pipe mounting hole 6, a sound absorbing cylinder 9 is embedded in the concave grooves 8, and a separation blocking strip 10 is bonded in the sound absorbing cylinder 9.
The notch of the air passing port 5 is communicated with the plate groove cavity of the semicircular plate 3; the gas passing port 5 can enter the semicircular plate 3 through gas flow.
Wherein, a side connecting plate 11 is welded between the edges of the plate bodies of the main partition plate 1 and the auxiliary partition plate 2; the edges of the main partition plate 1 and the auxiliary partition plate 2 are welded, reinforced and connected by the side connecting plates 11.
Wherein, the sound-absorbing inner bag 4 is vertically staggered and adhered in the plate groove of the semicircular plate 3; the semicircular plate 3 is internally provided with a plurality of sound-absorbing inner bags 4 to play a role in multi-point turbulence and sound absorption.
Wherein, the surface of the auxiliary baffle plate 2 is concavely provided with a semicircular groove 12; the semicircular grooves 12 increase the turbulence when the surface of the secondary baffle 2 encounters the exhaust flow of the exhaust pipe.
The utility model relates to a silencer baffle plate, which is characterized in that a main baffle plate 1 and an auxiliary baffle plate 2 are connected by a semicircular plate 3 and a side connecting plate 11 to form a whole turbulence baffle plate, the turbulence baffle plate can be directly fixed in a shell of an automobile silencer in a multi-layer manner, and then exhaust pipe mounting holes 6 of the main baffle plate 1 and the auxiliary baffle plate 2 can penetrate through an exhaust pipe, so that air passing between the turbulence baffle plates in the shell of the automobile silencer can be carried out by means of a short exhaust pipe, after the air flow enters the silencer of the automobile, the air flow rushes to the surface of the main baffle plate 1, the surface of the main baffle plate 1 is provided with arc convex ribs 7 and concave grooves 8 to increase the air flow dispersing and disturbing performance, meanwhile, a sound absorbing cylinder 9 is arranged at the concave grooves 8 to be matched with a baffle strip 10 to absorb sound and turbulent flow, and meanwhile, the air flow is rushed into the semicircular plate 3 from the air passing hole 5 of the main baffle plate 1 to be subjected to turbulent flow and then absorbed by a sound absorbing inner bag 4, so that the turbulent flow silencing effect at the silencer baffle plate is better realized.
It should be noted that, the present utility model is a muffler baffle, and the components in the present utility model are all known to those skilled in the art, and the structures and principles thereof are all known to those skilled in the art through technical manuals or through routine experimental methods.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. A muffler baffle comprising a main baffle (1), characterized in that: still include vice baffle (2), the one side plate body of main baffle (1) is fixed with vice baffle (2) through semicircle board (3), and outside vice baffle (2) of semicircle board (3) and main baffle (1) surface run through and have seted up blast pipe mounting hole (6), the recess inslot dislocation bonding of semicircle board (3) has inhale sound interior package (4), and the outside main baffle (1) surface of semicircle board (3) self notch runs through and has seted up gas passing port (5), gas passing port (5) and blast pipe mounting hole (6) outside main baffle (1) surface is provided with arc protruding muscle (7) and indent groove (8) respectively, and the indent inslot embedding has inhale sound section of thick bamboo (9), inhale sound section of thick bamboo (9) internal bonding and have hinder branch strip (10).
2. A muffler baffle as defined in claim 1, wherein: the notch of the air passing port (5) is communicated with the plate groove cavity of the semicircular plate (3).
3. A muffler baffle as defined in claim 1, wherein: a side connecting plate (11) is welded between the edges of the plate bodies of the main partition plate (1) and the auxiliary partition plate (2).
4. A muffler baffle as defined in claim 1, wherein: the sound-absorbing inner bag (4) is vertically staggered and adhered in the plate groove of the semicircular plate (3).
5. A muffler baffle as defined in claim 1, wherein: semicircular grooves (12) are formed in the surface of the auxiliary partition plate (2) in a recessed mode.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322360444.3U CN220705792U (en) | 2023-08-31 | 2023-08-31 | Silencer partition board |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322360444.3U CN220705792U (en) | 2023-08-31 | 2023-08-31 | Silencer partition board |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220705792U true CN220705792U (en) | 2024-04-02 |
Family
ID=90452448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322360444.3U Active CN220705792U (en) | 2023-08-31 | 2023-08-31 | Silencer partition board |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220705792U (en) |
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2023
- 2023-08-31 CN CN202322360444.3U patent/CN220705792U/en active Active
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