CN101285413A - Exhaust gas ejection dust exhaust device and silencer thereof - Google Patents
Exhaust gas ejection dust exhaust device and silencer thereof Download PDFInfo
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- CN101285413A CN101285413A CNA2008100478802A CN200810047880A CN101285413A CN 101285413 A CN101285413 A CN 101285413A CN A2008100478802 A CNA2008100478802 A CN A2008100478802A CN 200810047880 A CN200810047880 A CN 200810047880A CN 101285413 A CN101285413 A CN 101285413A
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- trunnion
- suppressor case
- pipe
- silencing apparatus
- outlet pipe
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Abstract
The invention discloses a waste gas ejection dust exhaust device and a silencer. The silencer comprises a silencer shell, wherein an air inlet pipe and an air outlet pipe are arranged on the silencer shell, an injection pipe is arranged on the silencer shell, an inlet section of the injection pipe is arranged outside a main silencer shell, the injection pipe extends into the silencer shell, and an outlet section of the injection pipe extends into a throat pipe. The muffler and the ejector pipe are creatively combined into an integral structure, the internal space arrangement of the muffler is fully utilized, the ejection and dust exhaust are realized under the condition of a short exhaust tail pipe, and a new muffler product is formed. The structure is simple, the tail pipe is short, no additional fixation is needed, the arrangement is easy, the cost is low, the occupied space of the whole vehicle is small, and the reliability is high; the parallel arrangement of the air inlet pipe and the air outlet pipe of the ejector pipe, the throat pipe and the silencer can be realized. In addition, the tail pipe is shorter, namely the exhaust outlet, so that greater negative pressure is generated, and the automatic dust exhaust effect is good.
Description
Technical field
The invention belongs to the automobile exhaust dust exhaust, be specifically related to a kind of automotive muffler.
Background technique
When automobile and engineering machinery were worked under dirty environment, the dust in the air filter caused filter core maintenance, replacement cycle to shorten greatly owing to can not in time discharge automatically, increases the user and uses and cost burden.Used the dust discharge of waste gas injection abroad for this reason, it is to arrange throat tubular construction on silencing apparatus tailpipe later, have the induction tunnel interface in its vicinity on the tail pipe, and connecting pipeline is to one-way valve, again through one-way valve, be connected to the dust exhaust port of air filter by pipeline, finish discharge gas ejection dust emission device.The trunnion place, because the abrupt change of cross-section, waste gas be through can forming negative pressure at this later, and the dust at dust exhaust port place is drawn onto the trunnion place by the road, discharged by waste gas again, finishes automatic dust discharge.This kind structure since trunnion and injection interface arrangement on tailpipe, cause the line arrangement complexity, this moment is because tailpipe is long, on vehicle, take bigger space, trend can't be unified, and stability, reliability is bad, again since domestic car load vent systems for the consideration of cost and layout, the tailpipe of design is shorter mostly, and scheme is not suitable for domestic layout outside the native land.And still do not have under the shorter situation of tailpipe, how to solve the problem of utilizing the injection dust discharge at present.
Summary of the invention
The objective of the invention is to is at shorter at existing tailpipe, solves the problem of utilizing the injection dust discharge, the silencing apparatus that a kind of discharge gas ejection dust emission device is provided and contains the waste gas injection under the little situation of vehicle arrangement space.
The technological scheme of silencing apparatus of the present invention is: it comprises suppressor case, and the noise elimination member in the suppressor case is established suction tude and steam outlet pipe on the suppressor case, and steam outlet pipe is provided with trunnion, and the described trunnion portion induction tunnel interior with stretching into suppressor case communicates.
Described induction tunnel is positioned at suppressor case inside in the go side mutually with trunnion, and the other end passes suppressor case and is positioned at the suppressor case outside.Be that trunnion is located at and is connected UNICOM with the steam outlet pipe of silencing apparatus in the suppressor case.
Described trunnion is connected with suppressor case, constitutes the part of steam outlet pipe or is exactly steam outlet pipe; The connection of one of scheme trunnion is located at suppressor case wall inboard, and steam outlet pipe is located at the suppressor case wall outside, and trunnion communicates with steam outlet pipe; The two trunnions connection of scheme is located at the suppressor case wall outside, and steam outlet pipe is located at suppressor case wall inboard, and trunnion communicates with steam outlet pipe; Three of scheme is that trunnion is connected inside and outside the suppressor case wall, constitutes outlet pipe, is outlet pipe, this moment the trunnion part of gas injection dust exhaust of promptly cancelling, again as the outlet pipe of silencing apparatus.
One end or the intermediate section of described steam outlet pipe have throat tubular construction, and are positioned at suppressor case inside.
One end or the intermediate section of described steam outlet pipe communicate and are fixed with one with trunnion, are positioned at suppressor case inside.
The technological scheme that realizes discharge gas ejection dust emission device of the present invention is: comprise silencing apparatus, air filter, induction tunnel and connecting pipeline, described induction tunnel passes suppressor case and communicates with the muffler tail pipe trunnion.
The invention silencing apparatus and induction tunnel are formed overall structure, the inner space that makes full use of silencing apparatus is arranged, realizes the injection dust discharge forming a kind of new silencing apparatus product under short tailpipe situation.And the silencing apparatus of new discharge gas ejection dust emission device and new structure is simple in structure, and tailpipe is short, need not to fix in addition, arranges that cost is low easily, and it is little to take the car load space, the reliability height; Can realize the suction tude of induction tunnel, trunnion and silencing apparatus and be arrangeding in parallel of steam outlet pipe.Because tailpipe is shorter, and promptly exhaust outlet helps producing bigger negative pressure, dust discharge is effective automatically in addition.
Description of drawings
Fig. 1 waste gas injection dust discharge injection is arranged.
Fig. 2 contains the acoustic wave filter structure schematic representation I of waste gas injection.
Fig. 3 contains the acoustic wave filter structure schematic representation II of waste gas injection.
Fig. 4 induction tunnel schematic representation in silencing apparatus.
Fig. 5 trunnion is connected the inboard schematic representation of suppressor case wall.
Fig. 6 trunnion is connected suppressor case wall outside schematic representation.
Fig. 7 trunnion is connected the inside and outside schematic representation of suppressor case wall.
Embodiment
As shown in Figure 2, silencing apparatus 5 is the column cavity, and the one end is established exhaust inlet pipe 9, and the other end sets out tracheae 10; Establish noise elimination structure 15 in the housing of silencing apparatus 5, noise elimination structure 15 is existing structures, is not limited to illustrated structure.Establish induction tunnel 7 on the housing 11 of silencing apparatus 5, the inducer 12 of induction tunnel 7 is located at outside the suppressor case, and induction tunnel 7 stretches in the suppressor case.The housing of silencing apparatus and induction tunnel can be to connect into whole parts, also can be two parts, and promptly induction tunnel passes the housing of silencing apparatus.The induction tunnel of present embodiment and the housing of silencing apparatus are whole parts.Induction tunnel 7 is made up of inducer 12, outlet section 13 and the smooth linkage section 14 that is connected inducer 12 and outlet section 13.Trunnion 6 is located in the suppressor case 11 and is connected UNICOM with the steam outlet pipe of silencing apparatus.Here the steam outlet pipe 10 of silencing apparatus 5 is made up of one section 10-1 outside establishing suppressor case 11 and one section 10-2 extending in the suppressor case 11, and trunnion 6 is connected with one section steam outlet pipe 10-2 in extending into suppressor case.The diameter at the middle part, cross section of trunnion 6 is less than the diameter at its two ends.Can be that the curve that inward at both ends is recessed as shown in Figure 2 constitutes.The outlet section 13 of induction tunnel 7 extend into the dead in line of trunnion 6 inner outlet section axis and trunnion.Outlet section 13 end faces extend through the center line of (crossing) trunnion 6.
The waste gas dust discharge that contains the silencing apparatus of waste gas injection connects arranges as shown in Figure 1, dust discharge sebific duct 2, preceding dust discharge sebific duct 2 connected one-way valve 3 before the dust exhaust port 8 of air filter 1 connected, one-way valve 3 connects back dust discharge sebific duct 4, back dust discharge sebific duct 4 is connected with the inducer 12 of induction tunnel 7 on being located at silencing apparatus shell 11, realizes that dust sucks suppressor case 5 by induction tunnel 7 imports and utilizes waste gas to discharge from silencing apparatus exhaust outlet 10.
The UNICOM of induction tunnel and trunnion can also be a straight-through type, and as shown in Figure 3, exhaust inlet pipe 9-2 and the steam outlet pipe 10-3 of induction tunnel 7-2 and silencing apparatus 5-2 be arranged in parallel, and trunnion 6-2 is located in the silencing apparatus 5-2 and is connected with steam outlet pipe 10-3.Straight-through type connects the gathering that can reduce the dust in the injection tube wall.Certainly, exhaust inlet pipe 9-2 and steam outlet pipe 10-3 can not be parallel structures also.
As shown in Figure 4, induction tunnel 7-3 is positioned at suppressor case inside, and pipeline mounting hole 5-3 is arranged on the described suppressor case.
Offer exhaust port on the suppressor case wall, an end of exhaust port connects trunnion, and the other end of exhaust port connects steam outlet pipe.
As shown in Figure 5, trunnion 6-4 connection is located at suppressor case wall inboard, and steam outlet pipe 10-4 is located at the suppressor case wall outside; Hole 11-4 by the suppressor case wall between trunnion 6-4 and the steam outlet pipe 10-4 communicates.
As shown in Figure 6, trunnion 6-5 connection is located at the suppressor case wall outside, and steam outlet pipe 10-5 is located at suppressor case wall inboard; Hole 11-5 by the suppressor case wall between trunnion 6-5 and the steam outlet pipe 10-5 communicates.
Described trunnion overlaps with steam outlet pipe, offers exhaust port on the suppressor case wall, and trunnion connects exhaust port, one section of trunnion in suppressor case, another section of trunnion is outside suppressor case.
As shown in Figure 7, trunnion 6-6 is connected inside and outside the suppressor case wall.One section of trunnion in suppressor case, trunnion another the section outside suppressor case.This moment promptly the cancel part of gas injection dust exhaust of trunnion, again as the outlet pipe of silencing apparatus.
Said structure not only helps dust discharge of waste gas injection and the layout of silencing apparatus on vehicle, our also pleasantly surprised discovery simultaneously, and said structure does not influence the noise elimination effect of silencing apparatus, thus a kind of new silencing apparatus of creationary proposition.
This shows that discharge gas ejection dust emission device of the present invention and silencing apparatus have been broken through and original induction tunnel and tailpipe can only vertically arrangedly have been limited to, and have expanded the induction tunnel layout.Induction tunnel of the present invention not only can be the bend pipe structure form also can one be the straight tube structure form, and for the straight tube structure form owing to reduced steering tube, thereby reduce gas-flow resistance, thereby improve the dust discharge effect.
Claims (12)
1, a kind of silencing apparatus, it comprises suppressor case, and the noise elimination member in the suppressor case is established suction tude and steam outlet pipe on the suppressor case, and it is characterized in that: steam outlet pipe is provided with trunnion, and the described trunnion portion induction tunnel interior with stretching into suppressor case communicates.
2, silencing apparatus according to claim 1, it is characterized in that: described induction tunnel is positioned at suppressor case inside in the go side mutually with trunnion, and the other end passes suppressor case and is positioned at the suppressor case outside.
3, silencing apparatus according to claim 1, it is characterized in that: described induction tunnel is positioned at suppressor case inside, and the pipeline mounting hole is arranged on the described suppressor case.
4, as silencing apparatus as described in claim 2 or 3, it is characterized in that induction tunnel comprises the linkage section between inducer, outlet section and inducer and the outlet section, the outlet section axis that described and trunnion communicate and the axial direction of trunnion are consistent.
5, as silencing apparatus as described in the claim 4, it is characterized in that the outlet section end face of described induction tunnel extends through the center line of trunnion.
6, silencing apparatus according to claim 1, it is characterized in that: an end or the intermediate section of described steam outlet pipe have throat tubular construction, and are positioned at suppressor case inside.
7, silencing apparatus according to claim 1, it is characterized in that: an end or the intermediate section of described steam outlet pipe communicate and are fixed with one with trunnion, are positioned at suppressor case inside.
8, silencing apparatus according to claim 1 is characterized in that the exhaust inlet pipe and the steam outlet pipe of induction tunnel and silencing apparatus be arranged in parallel.
9, silencing apparatus according to claim 1 is characterized in that offering exhaust port on the described suppressor case wall, and an end of exhaust port connects trunnion, and the other end of exhaust port connects steam outlet pipe.
10, silencing apparatus according to claim 1 is characterized in that described trunnion overlaps with steam outlet pipe, offers exhaust port on the suppressor case wall, and trunnion connects exhaust port, one section of trunnion in suppressor case, another section of trunnion is outside suppressor case.
11, a kind of discharge gas ejection dust emission device comprises silencing apparatus, air filter, induction tunnel and connecting pipeline, it is characterized in that: described induction tunnel passes suppressor case and communicates with the muffler tail pipe trunnion.
12 as discharge gas ejection dust emission device as described in the claim 11, and it is characterized in that: described trunnion is positioned at suppressor case inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100478802A CN101285413B (en) | 2008-05-30 | 2008-05-30 | Noise silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100478802A CN101285413B (en) | 2008-05-30 | 2008-05-30 | Noise silencer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101285413A true CN101285413A (en) | 2008-10-15 |
| CN101285413B CN101285413B (en) | 2011-08-10 |
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ID=40057790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100478802A Active CN101285413B (en) | 2008-05-30 | 2008-05-30 | Noise silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101285413B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321797A (en) * | 2013-06-28 | 2013-09-25 | 唐纳森(无锡)过滤器有限公司 | Vehicle engine intake system with fan-ejected dust removal device |
| CN104005826A (en) * | 2014-06-09 | 2014-08-27 | 陈庆东 | Exhaust post-processing device allowing exhaust gas ejecting |
| CN104454089A (en) * | 2014-11-17 | 2015-03-25 | 无锡威孚力达催化净化器有限责任公司 | Exhaust gas injection mechanism |
-
2008
- 2008-05-30 CN CN2008100478802A patent/CN101285413B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103321797A (en) * | 2013-06-28 | 2013-09-25 | 唐纳森(无锡)过滤器有限公司 | Vehicle engine intake system with fan-ejected dust removal device |
| CN104005826A (en) * | 2014-06-09 | 2014-08-27 | 陈庆东 | Exhaust post-processing device allowing exhaust gas ejecting |
| CN104454089A (en) * | 2014-11-17 | 2015-03-25 | 无锡威孚力达催化净化器有限责任公司 | Exhaust gas injection mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101285413B (en) | 2011-08-10 |
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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Owner name: DONGFENG CAR CO. Free format text: FORMER OWNER: DONGFENG AUTOMOBILE CO., LTD. Effective date: 20130717 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130717 Address after: 430056 Wuhan economic and Technological Development Zone, Hubei Province, Dongfeng Road, No. 1, No. Patentee after: Dongfeng Motor Corporation Address before: 430056 intellectual property section, No. 10 commercial vehicle technology center, Dongfeng Road, Wuhan economic and Technological Development Zone, Wuhan, Hubei Patentee before: DONGFENG MOTER Co.,Ltd. |