CN114852030A - Silencer for automobile air braking dryer - Google Patents
Silencer for automobile air braking dryer Download PDFInfo
- Publication number
- CN114852030A CN114852030A CN202210448647.5A CN202210448647A CN114852030A CN 114852030 A CN114852030 A CN 114852030A CN 202210448647 A CN202210448647 A CN 202210448647A CN 114852030 A CN114852030 A CN 114852030A
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- CN
- China
- Prior art keywords
- dryer
- inner cavity
- partition plate
- muffler
- shell
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/002—Air treatment devices
- B60T17/008—Silencer devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/002—Air treatment devices
- B60T17/004—Draining and drying devices
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Combustion & Propulsion (AREA)
- Fluid Mechanics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention provides a silencer for an automobile air brake dryer, which comprises an upper shell, a lower shell, a partition plate and a silencing net, wherein the upper end of the upper shell is provided with an air inlet pipe connected with an exhaust pipe of the dryer, and the air inlet pipe is communicated with an inner cavity of the upper shell; a plurality of through holes are formed in the bottom plate of the lower shell, and the upper shell is detachably connected with the lower shell; the partition plate is horizontally arranged between the inner cavity of the upper shell and the inner cavity of the lower shell, and a plurality of vent holes are formed in the partition plate; the inner cavity of the lower shell is internally provided with a plurality of layers of silencing nets. The silencer for the automobile air brake dryer can effectively reduce unloading noise of the dryer.
Description
Technical Field
The invention belongs to the technical field of automobile parts, and particularly relates to a silencer for an automobile air brake dryer.
Background
In the research and development process of new automobile products, in order to accelerate the research and development speed of the products and improve the market share, the design and the modification must be continuously carried out to greatly meet the requirements of the market and customers. For dryers in pneumatic brake systems, the noise at which the dryer is unloaded is a function of regulatory requirements and comfort of use for the customer. Therefore, how to better reduce the unloading noise of the dryer becomes a technical problem which needs to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention aims to provide a silencer for an automobile air brake dryer, which aims to solve the technical problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a silencer for an automobile air brake dryer comprises an upper shell, a lower shell, a partition plate and a silencing net, wherein an air inlet pipe used for being connected with an exhaust pipe of the dryer is arranged at the upper end of the upper shell, and the air inlet pipe is communicated with an inner cavity of the upper shell; a plurality of through holes are formed in the bottom plate of the lower shell, and the upper shell is detachably connected with the lower shell; the partition plate is horizontally arranged between the inner cavity of the upper shell and the inner cavity of the lower shell, and a plurality of vent holes are formed in the partition plate; and a plurality of layers of sound-deadening nets are arranged in the inner cavity of the lower shell.
Preferably, a first annular groove is formed in the outer circumferential surface of the upper port of the air inlet pipe, and a limiting hoop is arranged in the first annular groove.
Preferably, the air inlet pipe further comprises a rubber sealing ring, and a second annular groove matched with the rubber sealing ring is arranged on the inner circumferential surface, close to the upper port, of the air inlet pipe.
Preferably, each of the ventilation holes is uniformly distributed on the partition plate, and the ventilation holes are vertically arranged.
Preferably, a conical circular truncated cone and an inner annular rib are arranged in the middle of the top surface of the partition plate, the inner annular rib surrounds the conical circular truncated cone, and a plurality of vent holes are uniformly distributed in the circumferential direction of the conical circular truncated cone; the top surface is also provided with a separation rib and an outer ring rib, the outer ring rib surrounds the inner ring rib and is arranged close to the inner wall of the upper shell, a plurality of separation ribs are uniformly distributed on the circumference of the inner ring rib, one end of each separation rib is connected with the outer circumferential surface of the inner ring rib, and the other end of each separation rib is connected with the inner circumferential surface of the outer ring rib; a plurality of vent holes are uniformly distributed on the partition plate between two adjacent partition ribs.
Preferably, each of the sound-deadening nets fills the inner cavity of the lower housing.
Preferably, each sound-deadening net is horizontally arranged in the inner cavity of the lower shell.
Preferably, each of the sound-deadening nets is obliquely arranged in the inner cavity of the lower housing.
Preferably, a clamping groove is formed in the upper end face of the lower shell, and a clamping protrusion matched with the clamping groove is arranged on the partition plate.
Preferably, the lower end of the upper shell is provided with a first connecting flange, the upper end of the lower shell is provided with a second connecting flange, and the first connecting flange is clamped outside the second connecting flange.
The invention has the beneficial effects that:
when the silencer for the automobile air brake dryer is used, gas exhausted by an exhaust pipe enters an inner cavity of an upper shell through an air inlet pipe when the dryer is unloaded, then the gas is introduced into the inner cavity of a lower shell through the vent holes in the partition plate, and the gas passes through each layer of silencing net in the lower shell and then is exhausted from the through holes in the bottom plate of the lower shell. Therefore, the invention can effectively reduce the unloading noise of the dryer.
Drawings
In order to more clearly describe the embodiments of the present application or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, and the embodiments of the present invention will be further described in detail with reference to the drawings, wherein
FIG. 1 is a schematic view of a muffler for an automotive air brake dryer according to an embodiment of the present invention;
FIG. 2 is another schematic view of a muffler for an automotive air brake dryer according to an embodiment of the present invention;
FIG. 3 is an isometric view of a muffler for an automotive air brake dryer provided in accordance with an embodiment of the present invention;
fig. 4 is a schematic view of a muffler for an automobile air brake dryer according to an embodiment of the present invention in use.
In the drawings, the reference numbers:
11. an upper shell, 12, a lower shell, 13, an air inlet pipe, 14, a through hole, 15 and a limiting hoop,
16. a rubber seal ring 17, a first connecting flange 18, a second connecting flange,
21. a clapboard 22, a vent hole 23, a cone-shaped round table 24, an inner ring rib 25 and an outer ring rib,
26. separating rib 31, silencing net 41, silencer 51 and drier.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description will be provided with reference to specific embodiments.
As shown in fig. 1 to 4, an embodiment of the present invention provides a muffler 41 for an automobile air brake dryer, which includes an upper shell 11, a lower shell 12, a partition 21, and a silencing net 31, wherein an air inlet pipe 13 for connecting with an exhaust pipe of a dryer 51 is disposed at an upper end of the upper shell 11, and the air inlet pipe 13 is communicated with an inner cavity of the upper shell; a plurality of through holes 14 are formed in the bottom plate of the lower shell, and the upper shell 11 is detachably connected with the lower shell 12; the partition plate 21 is horizontally arranged between the inner cavity of the upper shell and the inner cavity of the lower shell, and a plurality of vent holes 22 are formed in the partition plate 21; the inner cavity of the lower shell 12 is provided with a plurality of layers of the sound-deadening net 31.
When the silencer for the automobile air brake dryer provided by the embodiment of the invention is used, when the dryer 51 is unloaded, gas exhausted from an exhaust pipe enters the inner cavity of the upper shell 11 through the air inlet pipe 13, then the gas is introduced into the inner cavity of the lower shell 12 through the vent holes 22 on the partition plate 21, and the gas passes through the silencing nets 31 on the layers in the lower shell and then is exhausted from the through holes on the bottom plate of the lower shell. Therefore, the invention can effectively reduce the unloading noise of the dryer.
Further, a first annular groove is formed in the outer circumferential surface of the upper port of the air inlet pipe 13, and a limiting hoop 15 is arranged in the first annular groove, so that the air inlet pipe can be hooped on the exhaust pipe of the dryer through the limiting hoop.
Specifically, the silencer for the automobile air brake dryer further comprises a rubber sealing ring 16, and a second annular groove used for being matched with the rubber sealing ring is formed in the inner circumferential surface, close to the upper port, of the air inlet pipe 13. By adopting the scheme, the air tightness of the joint of the air inlet pipe and the exhaust pipe can be better by utilizing the rubber sealing ring.
It is preferable that the ventilation holes 22 are uniformly distributed on the partition plate 21, and the ventilation holes are vertically arranged, so that the gas can flow into the inner cavity of the lower housing vertically. It will be appreciated that the vents may be densely and evenly distributed on the partition; the structure of the sound-deadening net is the same as that of the sound-deadening net in the prior art, and the details are not repeated here.
In an embodiment provided by the invention, a conical circular truncated cone 23 and an inner annular rib 24 are arranged in the middle of the top surface of the partition plate 21, the inner annular rib surrounds the conical circular truncated cone, and a plurality of vent holes are uniformly distributed on the circumference of the conical circular truncated cone; the top surface is also provided with a partition rib 26 and an outer ring rib 25, the outer ring rib 25 surrounds the inner ring rib and is arranged close to the inner wall of the upper shell, a plurality of partition ribs are uniformly distributed on the circumference of the inner ring rib 24, one end of each partition rib is connected with the outer circumferential surface of the inner ring rib, and the other end of each partition rib is connected with the inner circumferential surface of the outer ring rib; a plurality of vent holes are uniformly distributed on the partition plate between two adjacent partition ribs.
By adopting the scheme, after flowing out from the lower port of the air inlet pipe 13, the air can contact with the conical round table 23, and at the moment, the air is divided to the circumference of the conical round table, so that the air is dispersed into the inner cavity of the upper shell after contacting with the inner ring rib 24, and the air is partitioned and stored and has the flow stabilizing effect by utilizing the space formed by the adjacent two partition ribs 26, the inner ring rib 24 and the outer ring rib 25, so that the flow rate of the air entering the space is stable, and then the air can flow into the inner cavity of the lower shell 12 through the vent holes on the partition plate at the bottom of the space stably, orderly and uniformly, so that the air can contact with the silencing net 31 more fully, and the noise reduction effect can be improved; meanwhile, when the gas is in contact with the conical round table and the inner ring ribs, the energy of the gas is attenuated, so that the partition plate can also play a role in noise reduction, and the noise reduction effect of the silencer is further improved.
It is understood that the conical frustum 23 is opposite to the lower port of the air inlet pipe 13; the upper shell 11 and the lower shell 12 are both cylindrical shells, and the air inlet pipe 13 is arranged in the middle of the upper end of the upper shell; the diameter of the air inlet pipe is smaller than that of the upper shell, and the diameter of the air inlet pipe is preferably half of that of the upper shell; the diameter of the upper shell is smaller than or equal to that of the lower shell, so that when gas enters the upper shell from the gas inlet pipe, the flow velocity of the gas is reduced because the volume of the inner cavity of the upper shell is larger than that of the inner hole of the gas inlet pipe, and the space is utilized to realize stable flow; preferably, the through holes are densely and uniformly distributed on the bottom plate, so that the gas can be discharged more smoothly and more quickly; the through holes may be vertically arranged.
Further, each of the sound-deadening meshes 31 fills the inner cavity of the lower shell 12, so that the gas can contact more sound-deadening meshes, thereby achieving a better noise reduction effect.
Specifically, each of the sound-deadening nets 31 may be horizontally disposed in the inner cavity of the lower housing 12, or may be obliquely disposed in the inner cavity of the lower housing.
Furthermore, a clamping groove is formed in the upper end face of the lower shell 12, and a clamping protrusion matched with the clamping groove is formed in the partition plate 21, so that the partition plate and the lower shell can be connected in a clamped mode conveniently.
Specifically, the lower extreme of going up casing 11 is provided with first connecting flange 17, the upper end of casing 12 is provided with second connecting flange 18 down, first connecting flange joint is in outside the second connecting flange to conveniently realize going up the casing and being connected with dismantling between the casing down. It can be understood that the first connecting flange and the second connecting flange have good air tightness after being clamped, so that the noise reduction effect is prevented from being influenced by air leakage; preferably, the upper port of the air inlet pipe is flared so as to facilitate installation with the exhaust pipe.
The silencer for the automobile air brake dryer provided by the embodiment of the invention has the advantages of compact layout, simple structure and easiness in disassembly and assembly.
The above are only preferred embodiments of the present invention, it should be noted that these examples are only for illustrating the present invention and not for limiting the scope of the present invention, and after reading the content of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalents also fall within the scope of the claims appended to the present application.
Claims (10)
1. A silencer for an automobile air brake dryer is characterized by comprising an upper shell, a lower shell, a partition plate and a silencing net, wherein an air inlet pipe used for being connected with an exhaust pipe of the dryer is arranged at the upper end of the upper shell, and the air inlet pipe is communicated with an inner cavity of the upper shell; a plurality of through holes are formed in the bottom plate of the lower shell, and the upper shell is detachably connected with the lower shell; the partition plate is horizontally arranged between the inner cavity of the upper shell and the inner cavity of the lower shell, and a plurality of vent holes are formed in the partition plate; the inner cavity of the lower shell is internally provided with a plurality of layers of silencing nets.
2. The muffler for an automobile air brake dryer according to claim 1, wherein a first annular groove is formed on an outer circumferential surface of the upper port of the inlet pipe, and a stopper band is disposed in the first annular groove.
3. The muffler for an automobile air brake dryer according to claim 2, further comprising a rubber sealing ring, wherein a second annular groove for fitting with the rubber sealing ring is provided on an inner circumferential surface of the inlet pipe near the upper port.
4. The muffler for an automotive air brake dryer as defined in claim 1, wherein each of the vent holes is uniformly distributed on the partition plate, and the vent holes are vertically arranged.
5. The muffler for the automobile air brake dryer according to claim 1, wherein a conical circular truncated cone and an inner annular rib are arranged in the middle of the top surface of the partition plate, the inner annular rib surrounds the conical circular truncated cone, and a plurality of vent holes are uniformly distributed in the circumferential direction of the conical circular truncated cone; the top surface is also provided with a separation rib and an outer ring rib, the outer ring rib surrounds the inner ring rib and is arranged close to the inner wall of the upper shell, a plurality of separation ribs are uniformly distributed on the circumference of the inner ring rib, one end of each separation rib is connected with the outer circumferential surface of the inner ring rib, and the other end of each separation rib is connected with the inner circumferential surface of the outer ring rib; a plurality of vent holes are uniformly distributed on the partition plate between two adjacent partition ribs.
6. The muffler for an automotive air brake dryer as defined in claim 1, wherein each of the sound-deadening meshes fills an inner cavity of the lower case.
7. The muffler for an automotive air brake dryer as defined in claim 1, wherein each of the muffling meshes is horizontally disposed in the inner cavity of the lower case.
8. The muffler for an automotive air brake dryer as claimed in claim 1, wherein each of the muffling meshes is obliquely disposed in the inner cavity of the lower case.
9. The muffler for the pneumatic brake dryer of the automobile according to claim 1, wherein a clamping groove is formed on an upper end surface of the lower housing, and a clamping protrusion matched with the clamping groove is formed on the partition plate.
10. The muffler for an automobile air brake dryer according to claim 1, wherein a first connecting flange is provided at a lower end of the upper housing, and a second connecting flange is provided at an upper end of the lower housing, and the first connecting flange is engaged with an outer side of the second connecting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210448647.5A CN114852030B (en) | 2022-04-26 | 2022-04-26 | Silencer for automobile pneumatic braking dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210448647.5A CN114852030B (en) | 2022-04-26 | 2022-04-26 | Silencer for automobile pneumatic braking dryer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114852030A true CN114852030A (en) | 2022-08-05 |
| CN114852030B CN114852030B (en) | 2023-06-09 |
Family
ID=82632707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210448647.5A Active CN114852030B (en) | 2022-04-26 | 2022-04-26 | Silencer for automobile pneumatic braking dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114852030B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4414228A1 (en) * | 2023-02-13 | 2024-08-14 | KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH | Silencer for a pneumatic brake silencer assembly, method for manufacturing such silencer and vehicle comprising such silencer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2226003A5 (en) * | 1973-04-12 | 1974-11-08 | Frederiksen Mogens | |
| JPH07119435A (en) * | 1993-10-22 | 1995-05-09 | Hitachi Koki Co Ltd | Muffler for small engine |
| CN102518499A (en) * | 2011-11-29 | 2012-06-27 | 中国商用飞机有限责任公司 | Silencer |
| CN205001018U (en) * | 2015-08-18 | 2016-01-27 | 杭州建泰机械有限公司 | A muffler for explosive motor exhaust system |
| CN108729983A (en) * | 2018-04-23 | 2018-11-02 | 浙江工贸职业技术学院 | A kind of automobile exhaust muffler |
| JP2020535073A (en) * | 2017-09-26 | 2020-12-03 | クノル−ブレムゼ ジステーメ フューア ヌッツファールツォイゲ ゲゼルシャフト ミット ベシュレンクテル ハフツングＫｎｏｒｒ−Ｂｒｅｍｓｅ Ｓｙｓｔｅｍｅ ｆｕｅｒ Ｎｕｔｚｆａｈｒｚｅｕｇｅ ＧｍｂＨ | Noise dampers for compressed air systems, and methods for manufacturing noise dampers |
-
2022
- 2022-04-26 CN CN202210448647.5A patent/CN114852030B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2226003A5 (en) * | 1973-04-12 | 1974-11-08 | Frederiksen Mogens | |
| JPH07119435A (en) * | 1993-10-22 | 1995-05-09 | Hitachi Koki Co Ltd | Muffler for small engine |
| CN102518499A (en) * | 2011-11-29 | 2012-06-27 | 中国商用飞机有限责任公司 | Silencer |
| CN205001018U (en) * | 2015-08-18 | 2016-01-27 | 杭州建泰机械有限公司 | A muffler for explosive motor exhaust system |
| JP2020535073A (en) * | 2017-09-26 | 2020-12-03 | クノル−ブレムゼ ジステーメ フューア ヌッツファールツォイゲ ゲゼルシャフト ミット ベシュレンクテル ハフツングＫｎｏｒｒ−Ｂｒｅｍｓｅ Ｓｙｓｔｅｍｅ ｆｕｅｒ Ｎｕｔｚｆａｈｒｚｅｕｇｅ ＧｍｂＨ | Noise dampers for compressed air systems, and methods for manufacturing noise dampers |
| CN108729983A (en) * | 2018-04-23 | 2018-11-02 | 浙江工贸职业技术学院 | A kind of automobile exhaust muffler |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4414228A1 (en) * | 2023-02-13 | 2024-08-14 | KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH | Silencer for a pneumatic brake silencer assembly, method for manufacturing such silencer and vehicle comprising such silencer |
| WO2024170288A1 (en) * | 2023-02-13 | 2024-08-22 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Silencer for a pneumatic brake silencer assembly, method for manufacturing such silencer and vehicle comprising such silencer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114852030B (en) | 2023-06-09 |
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Address after: No.669 Shixin Road, economic development zone, Feixi County, Hefei City, Anhui Province Applicant after: ANHUI JIANGHUAI AUTOMOBILE GROUP Corp.,Ltd. Address before: 230601 No. 669 Shixin Road, Taohua Industrial Park, Hefei City, Anhui Province Applicant before: ANHUI JIANGHUAI AUTOMOBILE GROUP Corp.,Ltd. |
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