JPS5836167B2 - Silencer - Google Patents
SilencerInfo
- Publication number
- JPS5836167B2 JPS5836167B2 JP10312576A JP10312576A JPS5836167B2 JP S5836167 B2 JPS5836167 B2 JP S5836167B2 JP 10312576 A JP10312576 A JP 10312576A JP 10312576 A JP10312576 A JP 10312576A JP S5836167 B2 JPS5836167 B2 JP S5836167B2
- Authority
- JP
- Japan
- Prior art keywords
- partition plate
- case
- soil
- semi
- cylindrical
- 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.)
- Expired
Links
Landscapes
- Exhaust Silencers (AREA)
Description
【発明の詳細な説明】
この発明は自動車エンジン等の内燃機関の排気音を消音
する消音器特に内部を2個の部屋6こ仕切った消音器に
関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a muffler for muffling the exhaust noise of an internal combustion engine such as an automobile engine, and more particularly to a muffler whose interior is partitioned into two six rooms.
従来のこの種の消音器は第1図に例示するように、巻胴
型であるから次のような種々の不都合があった。As illustrated in FIG. 1, the conventional silencer of this type is of a winding barrel type, and therefore has the following various disadvantages.
即ち構成部品が多く、維持管理が煩雑である。That is, there are many component parts, and maintenance management is complicated.
組立時には、缶胴1と左右の端板2,3との巻締結合作
業、器体内を2個の部屋4,5に仕切る多孔状の仕切板
6と缶胴1とのボルト止めまたは点溶接6こよる結合作
業、排気の流入管7、流出管8の器体への挿入および支
持する作業を要し、更に以上の作業を複雑な工程順に沿
って行なわなければならない等の不都合がある。During assembly, the can body 1 and the left and right end plates 2 and 3 are wound and fastened together, and the can body 1 is bolted or spot welded to the porous partition plate 6 that partitions the inside of the container into two chambers 4 and 5. This method requires a total of 6 joining operations, as well as an operation for inserting and supporting the exhaust inflow pipe 7 and outflow pipe 8 into the vessel body, and furthermore, the above operations have to be performed in a complicated process order.
本発明はこれ等の不都合のない消音器を提供することを
目白勺とする。The objective of the present invention is to provide a muffler that does not have these disadvantages.
本発明は消音器を菓子の最中状に構或し、すべての構戊
部品をプレス或型でき、組立作業が容易であり、且つ少
ない構成部品により従来の巻胴型消音器と作用、効果が
同等である消音器を得させたものである。The present invention has a silencer constructed in the shape of a confectionery, all the structural parts can be pressed or molded, the assembly work is easy, and the function and effect of the conventional roll cylinder type silencer is improved by using fewer components. A silencer that is equivalent to the above was obtained.
以下第2〜6図に示す実施例について本発明を説明する
。The present invention will be described below with reference to embodiments shown in FIGS. 2 to 6.
この実施例は第1図に示す消音器と等価に構戒したもの
であり、上ケース9、上仕切板10下仕切板10a1下
ケース9aをこの順で重合して構成したものである。This embodiment is equivalent to the silencer shown in FIG. 1, and is constructed by superimposing an upper case 9, an upper partition plate 10, a lower partition plate 10a, and a lower case 9a in this order.
以上の構成部品を先ず説明する。First, the above-mentioned components will be explained.
各ケースおよび仕切板はそれぞれ銅版をプレス成型して
製する。Each case and partition plate are made by press molding a copper plate.
上ケース9と下ケース9aとは上下対称の形状であり、
それぞれ中央部を膨出させ、左端に半円筒状の人口IL
11aを、右端に同じく半円筒状の出口12,128を
設け、周囲にフランジ13,132を設けてある。The upper case 9 and the lower case 9a have vertically symmetrical shapes,
Each has a bulging central part and a semi-cylindrical artificial IL on the left end.
11a, a semi-cylindrical outlet 12, 128 is provided at the right end, and flanges 13, 132 are provided around the periphery.
上仕切板10と下仕切板10aとは流入管部と流出管部
(共に後述)との内方端の形状を除いては上下対称の形
状に構戒されている。The upper partition plate 10 and the lower partition plate 10a are vertically symmetrical except for the shapes of the inner ends of the inflow pipe portion and the outflow pipe portion (both will be described later).
即ち両仕切板10,108は、外形がそれぞれ上記ケー
スのフランジ部と同一犬の平板状の基部14.14aか
らなり、該基部14,148にそれぞれ左端から上下の
ケース9,9aの入口11,112に内嵌し且つ内方端
を絞った半円筒状の流入管部15.15aを膨出し、右
端から同様に上下のケース9,9aの出口12,12a
に内嵌し且つ内部を二又に形成した半円筒状の流出管部
16.16aを膨出すると共に、基部14.14aのフ
ランジ13.13aと重合する部分および流入管部15
.15a,流出管部16.16aを除いた部分に複数の
小孔17,17aを穿設してある。That is, both the partition plates 10 and 108 each consist of a flat base part 14.14a whose outer shape is the same as the flange part of the case, and the entrances 11 and 14a of the upper and lower cases 9 and 9a are connected to the base part 14 and 148 from the left end, respectively. A semi-cylindrical inflow pipe part 15.15a with a constricted inner end fitted inside the casing 112 is bulged out, and the outlet 12, 12a of the upper and lower cases 9, 9a is similarly inserted from the right end.
The semi-cylindrical outflow pipe part 16.16a which is fitted inside and bifurcated inside is bulged out, and the part of the base part 14.14a which overlaps with the flange 13.13a and the inflow pipe part 15
.. 15a and a plurality of small holes 17, 17a are bored in the portion excluding the outflow pipe portion 16.16a.
一方の流入管部15の内方端18は行詰まりに形成し、
他方の流入管部15aの内方端18aはこれを前記内方
端18に内嵌する形状に曲げ起して開口19を形威して
ある。The inner end 18 of one inlet pipe section 15 is formed into a dead end,
The inner end 18a of the other inflow pipe portion 15a is bent into a shape that fits inside the inner end 18 to form an opening 19.
(第2図、第4図)。流出管部16.16aの場合はこ
れとは逆に、一方の流出管部16aの内方端20a,2
0aを行詰まりに形成し他方の内方端20.20を曲げ
起して開口2L21を形成してある(第2図、第5図)
。(Figures 2 and 4). In the case of the outflow pipe section 16.16a, on the contrary, the inner end 20a, 2 of the outflow pipe section 16a
0a is formed into a dead end, and the other inner end 20.20 is bent up to form an opening 2L21 (Fig. 2, Fig. 5).
.
この他は、第1図の消音器と等価に形成するため、流入
管部15と流出管部16aとにそれぞれ短絡孔22.2
3を穿設すると共に、流入管部15.15aと流出管部
16,16aとの間に半円筒状の短絡管部24 .24
aを形成してある。Other than this, in order to form the muffler equivalently to the silencer shown in FIG.
A semi-cylindrical short-circuit pipe part 24.3 is bored between the inflow pipe part 15.15a and the outflow pipe part 16, 16a. 24
A is formed.
これ等は第1図の消音器における短絡孔25,26、短
絡管27に相当する。These correspond to the short circuit holes 25, 26 and the short circuit pipe 27 in the silencer shown in FIG.
なお、第1図の消音器において、流入管γの器体内への
進入長さaと流出管8の進入長さbとの11
比を短絡孔を考慮し実質音響長さを,L : ,Lま1
3
たは,L : 7Lの組合せに構成し、短絡孔25,2
6の径を各管7,8の径が40φのとき2ψ×4〜6φ
×2の間の等価面積に構或すると効果的な消音が行なわ
れるから、本発明においても進入長さA,Bおよび孔径
を同様の割合で構成する。In addition, in the silencer shown in FIG. 1, the actual acoustic length is calculated by taking into account the short-circuit hole and calculating the ratio of 11 between the length a of the inflow pipe γ into the body and the length b of the outflow pipe 8, L: , Lma1
3 or L: 7L combination, short circuit holes 25, 2
When the diameter of each tube 7 and 8 is 40φ, the diameter of 6 is 2ψ×4~6φ
If the equivalent area is set between x2, effective noise reduction is achieved, so in the present invention, the penetration lengths A and B and the hole diameter are also set at the same ratio.
次に組立作業を説明すると、第4図に示すように入口管
28と出口管29とをそれぞれ半円筒状の流入管部15
,153の左端および流出管部16,16aの右端で挾
持し、上下のケース9,9a,上下の仕切板10,10
2を第5図の状態に重合し、フランジ13.13a部に
おける重合部および入口管28、出口管29と器体との
接合部をシーム溶接して終える。Next, to explain the assembly work, as shown in FIG.
, 153 and the right end of the outflow pipe portions 16, 16a, the upper and lower cases 9, 9a, and the upper and lower partition plates 10, 10.
2 are superimposed to the state shown in FIG. 5, and the overlapping part at the flange 13.13a and the joint part between the inlet pipe 28 and the outlet pipe 29 and the vessel body are seam welded.
このようにして組立てられた本発明の消音器は、上下の
ケース9,9aで器体を形成し、多孔状の上下の仕切板
10,108で上下の2個の部屋30.31を形成する
と共にそれぞれ別の部屋に開口する流入管と流出管とを
形或している。In the silencer of the present invention assembled in this way, the upper and lower cases 9 and 9a form a body, and the upper and lower porous partition plates 10 and 108 form two upper and lower chambers 30 and 31. Together, they form an inflow pipe and an outflow pipe that open into separate rooms.
入口管28から器体内に流入する排気は次の順序で流れ
、構成各部による種々の消音作用を受ける。Exhaust gas flowing into the vessel from the inlet pipe 28 flows in the following order and is subjected to various silencing effects by each component.
排気は大部分が流入管部15,152を通って開口19
から下の部屋30に入る。Most of the exhaust air passes through the inlet pipe portions 15 and 152 to the opening 19.
Enter room 30 below.
一部は流入管部から短絡孔22および短絡管部24 .
24aを通って直接上の部屋31および流出管部16,
16aに流入する。A portion extends from the inflow pipe section to the short circuit hole 22 and the short circuit pipe section 24 .
24a directly above the chamber 31 and the outflow pipe section 16,
16a.
該部屋30から排気は大部分が複数の小孔17.17a
を通って上の部屋31に流入する。Most of the exhaust from the room 30 is through a plurality of small holes 17.17a.
It flows into the upper room 31 through.
一部は短絡孔23を通って直接流出管部16.16aに
流入する。A portion flows directly into the outflow pipe section 16.16a through the short-circuit hole 23.
上の部屋から排気は2個の開口21 .21を通って流
出管部16,162に流入し、該買出管部16.16a
を通って出口管29に排出される。Exhaust from the upper room is through two openings 21. 21 into the outflow pipe section 16, 162, and the outlet pipe section 16.16a.
is discharged through the outlet pipe 29.
各消音作用は公知であるから説明を省略する。Each of the silencing effects is well known, so a description thereof will be omitted.
なお、小孔1 7 . 1 7aの外径を2グ〜4〆に
形或すると基部14,142は上流の触媒式排気浄化装
置における破損触媒粒のフィルタとしての作用を兼ねる
ことができる。In addition, small hole 17. When the outer diameter of the base portion 17a is set to 2 to 4 mm, the base portions 14, 142 can also function as a filter for damaged catalyst particles in the upstream catalytic exhaust purification device.
また、流入管部15,15aの開口19を耐熱連続気孔
体とか耐熱多孔板で覆うと、該開口19から噴出する排
気の気流二次.騒音の発生を防止することができる。In addition, if the openings 19 of the inflow pipe portions 15, 15a are covered with a heat-resistant continuous pore material or a heat-resistant porous plate, the secondary airflow of the exhaust gas ejected from the openings 19 can be prevented. Generation of noise can be prevented.
以上の実施例から判るように、本発明は
1)構成部品が少なくて且つ各種の消音構造を簡易に構
成することができる。As can be seen from the above embodiments, the present invention has the following advantages: 1) The number of components is small and various types of silencing structures can be easily constructed.
2)構成部品をすべて鋼板からのプレス戊型により製作
でき、組立作業も簡単且つ迅速となり、コストが低廉と
なる。2) All of the component parts can be manufactured by press molding from steel plates, making assembly work simple and quick, and costs are low.
3)構造簡単であるから、軽量小型化することができ、
燃費節減も可能である。3) Due to its simple structure, it can be made lighter and smaller.
It is also possible to save on fuel consumption.
4)器体内に二又管を容易に設けることができる。4) A bifurcated pipe can be easily provided within the vessel.
等の産業上の効果大である。It has great industrial effects.
第1図は巻胴型消音器の一例を示す従断側面図、第2〜
6図は第1図の消音器と等価に構戒した本発明の一実施
例を示し、第2図は分解斜視図、第3図は土ケースを除
いた状態の平面図、第4図は上ケースを取付けた状態の
第3図×一×断面図、第5図は第4図同様の第3図Y−
Y断面図、第6図は第4図同様の第3図Z−Z断面図で
ある。
9:土ケース、9a:下ケース、10:土仕切板、10
a:下仕切板、11 ,iia:入口、12.12a:
出口、14.14a:基部、15,15a:流入管部、
16.16a:流出管部、17,17a:小孔、18.
18a:内万端、19:開口、20,20a:内方端、
21:開口、30:部屋、
31
:部屋。Figure 1 is a cross-sectional side view showing an example of a winding barrel type silencer, Figure 2-
Figure 6 shows an embodiment of the present invention equivalent to the silencer shown in Figure 1, Figure 2 is an exploded perspective view, Figure 3 is a plan view with the soil case removed, and Figure 4 is an exploded perspective view. Figure 3 is a cross-sectional view of the state in which the upper case is attached, and Figure 5 is a cross-sectional view of Figure 3, which is the same as Figure 4.
6 is a sectional view taken along the line Z--Z in FIG. 3, similar to FIG. 4. 9: Soil case, 9a: Lower case, 10: Soil partition plate, 10
a: Lower partition plate, 11, IIA: Entrance, 12.12a:
Outlet, 14.14a: base, 15, 15a: inflow pipe section,
16.16a: Outflow pipe section, 17, 17a: Small hole, 18.
18a: inner end, 19: opening, 20, 20a: inner end,
21: opening, 30: room, 31: room.
Claims (1)
ス9と、該土ケース9と上下対称の形状に形戊した下ケ
ース9aと、平板状の基部14に外端が入口11に内嵌
する半円筒状の流入管部15と同じく外端が出口12に
内嵌する半円筒状の流出管部16とを一方の内方端を開
口させ他方の内方端を行詰まり6こして形戒した土仕切
板10と、流入管部および流出管部の内方端の開口およ
び行詰まりの組合せを該土仕切板10の組合せと逆にす
る他は該上仕切板10と上下対称の形状に形戒した仕切
板10aとをそれぞれ別体にプレス成型し、上記各ケー
スおよび仕切板を上ケース9、上仕切板10、下仕切板
10a1下ケース9aの順に重ねて器体内に上下の仕切
板で隔てた2個の部屋30.31を形或し、該上下の仕
切板の平板部に該部屋30 .31を連通ずる複数の小
孔17,172をそれぞれ穿設したことを特徴とする消
音器。1 A soil case 9 having a semi-cylindrical inlet 11 and an outlet 12, a lower case 9a shaped to be vertically symmetrical to the soil case 9, and a flat base 14 with an outer end inside the inlet 11. A semi-cylindrical inflow pipe part 15 to be fitted and a semi-cylindrical outflow pipe part 16 whose outer end is similarly fitted into the outlet 12 are opened at one inner end and the other inner end is closed at a dead end 6. The shaped soil partition plate 10 is vertically symmetrical with the upper partition plate 10, except that the combination of openings and dead ends at the inner ends of the inflow pipe section and the outflow pipe section is reversed to the combination of the soil partition plate 10. The shaped partition plates 10a are separately press-molded, and the above-mentioned cases and partition plates are stacked in the order of upper case 9, upper partition plate 10, lower partition plate 10a, and lower case 9a to form upper and lower parts inside the container. Two rooms 30.31 are separated by a partition plate, and the room 30.31 is formed on the flat plate part of the upper and lower partition plates. A silencer characterized in that a plurality of small holes 17 and 172 are formed respectively to communicate with each other.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10312576A JPS5836167B2 (en) | 1976-08-31 | 1976-08-31 | Silencer |
US05/827,548 US4132286A (en) | 1976-08-31 | 1977-08-25 | Muffler |
DE19772738600 DE2738600A1 (en) | 1976-08-31 | 1977-08-26 | SILENCER |
MX170379A MX144727A (en) | 1976-08-31 | 1977-08-29 | IMPROVEMENTS IN INTERNAL COMBUSTION ENGINE EXHAUST MUFFLER |
FR7726462A FR2363695A1 (en) | 1976-08-31 | 1977-08-31 | EXHAUST |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10312576A JPS5836167B2 (en) | 1976-08-31 | 1976-08-31 | Silencer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5329432A JPS5329432A (en) | 1978-03-18 |
JPS5836167B2 true JPS5836167B2 (en) | 1983-08-08 |
Family
ID=14345840
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10312576A Expired JPS5836167B2 (en) | 1976-08-31 | 1976-08-31 | Silencer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5836167B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016132777A1 (en) * | 2015-02-20 | 2016-08-25 | フタバ産業株式会社 | Muffler |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5647620A (en) * | 1979-09-26 | 1981-04-30 | Nippon Radiator Co Ltd | Exhaust equipment |
JPH0618271B2 (en) * | 1988-03-28 | 1994-03-09 | サンケン電気株式会社 | Shutter-barrier barrier semiconductor device |
JPH02207124A (en) * | 1989-02-04 | 1990-08-16 | Sankei Kogyo Kk | Manufacture of stamped muffler |
JP6847519B2 (en) * | 2017-01-31 | 2021-03-24 | ダイハツ工業株式会社 | Scarf |
-
1976
- 1976-08-31 JP JP10312576A patent/JPS5836167B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016132777A1 (en) * | 2015-02-20 | 2016-08-25 | フタバ産業株式会社 | Muffler |
Also Published As
Publication number | Publication date |
---|---|
JPS5329432A (en) | 1978-03-18 |
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