CN202789018U

CN202789018U - Multifunctional environmental-friendly silencer

Info

Publication number: CN202789018U
Application number: CN 201220408604
Authority: CN
Inventors: 徐查庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-08-17
Filing date: 2012-08-17
Publication date: 2013-03-13
Anticipated expiration: 2022-08-17

Abstract

A multifunctional environmental-friendly silencer comprises a silencer body, wherein an upper end cover, a lower end cover and an inner partition plate are installed in the silencer body, a gas outlet pipe is installed in the upper end cover, an exhaust pipe is installed in the lower end cover, and silencer holes are formed in the inner partition plate. The multifunctional environmental-friendly silencer is characterized in that the middle part of the exhaust pipe is connected with a one-way intake valve, a catalyst connecting pipe is installed in the silencer body above the exhaust pipe and is connected with a three-way catalyst of 400 meshes, 16 silencer holes are formed in the inner partition plate, the pore diameters of the silencer holes are between 5-7 millimeters, and a spark capture net is installed on the exhaust pipe.

Description

The multi-functional environment-protection silencing apparatus

Technical field

The utility model relates to the silencing apparatus of petrol engine, particularly relates to the multi-functional environment-protection silencing apparatus of petrol engine.

Background technique

The noise that exhaust produces when working in order to reduce petrol engine; usually can fix a silencer at the outlet pipe place of petrol engine; the structure of conventional muffler generally comprises body; install in the body, lower end cap and internal partition; connect outlet pipe under the lower end cap; connect hush tube in the body on outlet pipe top; open some apertures on the hush tube; on internal partition, only have the bloop of a diameter 20mm; reach 96-100 decibels after the noise reduction, this structure erasure effect is poor, does not have the secondary combustion function; the tail gas clean-up weak effect, environmental pollution is serious.

Summary of the invention

The purpose of this utility model is the shortcoming that exists in order to overcome prior art, provides a kind of through three noise eliminations, the tail gas secondary combustion, and soundproof effect is good, sufficient combustion, good tail gas purification effect, the multi-functional environment-protection silencing apparatus of environmental contamination reduction.

The technological scheme of the utility model multi-functional environment-protection silencing apparatus is: comprise body, install end cap, lower end cap and internal partition in the body, steam outlet pipe is installed in upper end cap, under the lower end cap outlet pipe is installed, have bloop on the internal partition, the middle part that it is characterized in that described outlet pipe connects breather cheek valve, the catalyst converter connecting tube is installed in the body on outlet pipe top, the catalyst converter connecting tube connects 400 purpose ternary catalyzing units, have 16 bloops on the described internal partition, the aperture D of bloop is 5-7mm, and the spark catching net is installed on the described steam outlet pipe.

The utility model discloses a kind of multi-functional environment-protection silencing apparatus, during petrol engine work, owing to can produce harmful gas after the gasoline primary combustion, need to discharge tail gas through outlet pipe, when exhaust emissions through in the catalyst converter connecting tube during 400 purpose ternary catalyzing unit, noise rubs in ternary catalyzing unit 400 purpose aperture holes and changes into thermal energy consumption and dissipate a part, sound wave by silencing apparatus is weakened obtain eliminating the noise for the first time; And ternary catalyzing unit carries out secondary combustion to tail gas simultaneously, by having the unidirectional breather cheek valve of airway dysfunction that supplies to the supplemental oxygen of burning for the second time, make in the tail gas secondary combustion more abundant, good tail gas purification effect, emission limit can reach CARB standard, the EPA3(phase III of Europe 3 standards and the U.S.) standard, environmental contamination reduction; Through eliminate the noise for the first time and the tail gas of secondary combustion then through internal partition, 16 bloops again rub to noise and change into heat energy and dissipate a part on the internal partition, sound wave by baffler is weakened again obtain for the second time noise elimination; Finally by the spark catching net of crossing on the steam outlet pipe, acoustic energy changes into heat energy through the aperture friction of sparker and dissipates a part again, sound wave by baffler is weakened is for the third time for the third time eliminated the noise, reach 90-94 decibels after the noise elimination, thereby effectively reduce the exhaust sound of petrol engine, soundproof effect is good, and the spark catching net can catch the spark after the secondary combustion, avoid spark to be discharged into the external world, cause potential safety hazard.

The utility model multi-functional environment-protection silencing apparatus, the aperture D of described bloop is 6mm.Erasure effect was the most desirable when the aperture of bloop was 6mm.The length L of described catalyst converter connecting tube is 60mm.Good muffling effect.Described breather cheek valve comprises valve body, open valve pocket in the valve body, be installed into air valve cap on the valve body, suction valve covers and drives pore into, the air inlet valve gap fixes through double-screw bolt and valve body, the one-way valve seat of aluminium alloy compression casting is installed in valve pocket, open pore in the one-way valve seat, following peripheral seal ring and lower center seal ring are installed below the one-way valve seat, install the peripheral sealing circle above the one-way valve seat, installation reed and arc spring leaf pressing plate between one-way valve seat and valve body, one-way valve seat is opened fixed hole on one side, one side reed and arc spring leaf pressing plate open separately perforation, one side the fixed hole that passes perforation and one-way valve seat through screw of reed and reed pressing plate fixes, between one-way valve seat and air inlet valve gap, filter screen is installed, filter screen contacts with the upper periphery seal ring, described body wall mounting flange and air inlet steel pipe, mounting flange pad between flange and the valve body, flange fixes through bolt and valve body, and air inlet steel pipe other end links to each other with outlet pipe.During work, air enters from the inlet hole of air inlet valve gap, air is through strainer filtering, prevent that some particulate matters from entering in the valve pocket, then air is through the vent of one-way valve seat, because the lower center seal ring below the vent contacts with the reed sealing, and one side of reed and arc spring leaf pressing plate is fixed with one-way valve seat, air just promotes the another side of reed downwards, the reed another side is turned over slightly downwards, and when reed contacted with the arc spring leaf pressing plate, reed obtained the location, this moment, vent communicated with valve pocket, air enters valve pocket, and last air enters muffler of gas escape tube through the air inlet steel pipe, and the air that fills into makes the ternary catalyzing unit of outlet pipe obtain secondary abundant burning to tail gas, thereby the CO in the reduction exhaust emissions, the CH compound reduces atmospheric pollution; During not air inlet, reed is upwards replied under the effect of restoring force and is contacted with the lower center seal ring of one-way valve seat, avoids air to exteenal reflux, the air only import but no export.

Description of drawings

Fig. 1 is the structural representation of the utility model multi-functional environment-protection silencing apparatus;

Fig. 2 is that the master of the utility model multi-functional environment-protection silencing apparatus looks schematic representation;

Fig. 3 is that the master of internal partition looks schematic representation;

Fig. 4 is the decomposing state schematic perspective view of breather cheek valve;

Fig. 5 is that the master of one-way valve seat looks schematic representation;

Fig. 6 is the schematic rear view of one-way valve seat.

Embodiment

The utility model relates to a kind of multi-functional environment-protection silencing apparatus, such as Fig. 1-shown in Figure 6, comprise body 1, install end cap 2 in the body, lower end cap 3 and internal partition 4, steam outlet pipe 5 is installed in upper end cap 3, outlet pipe 6 is installed under the lower end cap, have bloop 7 on the internal partition 4, the middle part that it is characterized in that described outlet pipe 6 connects breather cheek valve 9, body 1 interior installation catalyst converter connecting tube 10 on outlet pipe top arranges 400 purpose ternary catalyzing units 11 in the catalyst converter connecting tube, have 16 bloops 7 on the described internal partition 4, the aperture D of bloop is 5-7mm, and spark catching net 12 is installed on the described steam outlet pipe 5.During petrol engine work, owing to can produce harmful gas after the gasoline primary combustion, need to discharge tail gas through outlet pipe, when exhaust emissions through in the catalyst converter connecting tube 10 during 400 purpose ternary catalyzing unit 11, noise rubs in ternary catalyzing unit 400 purpose aperture holes and changes into thermal energy consumption and dissipate a part, sound wave by silencing apparatus is weakened obtain eliminating the noise for the first time; And 11 pairs of tail gas of ternary catalyzing unit carry out secondary combustion simultaneously, by having the unidirectional breather cheek valve 9 of airway dysfunction that supplies to the supplemental oxygen of burning for the second time, make in the tail gas secondary combustion more abundant, good tail gas purification effect, emission limit can reach CARB standard, the EPA3(phase III of Europe 3 standards and the U.S.) standard, environmental contamination reduction; Through eliminate the noise for the first time and the tail gas of secondary combustion then through internal partition, 7 pairs of noises of 16 bloops again rub and change into heat energy and dissipate a part on the internal partition 4, sound wave by baffler is weakened again obtain for the second time noise elimination; Finally by the spark catching net 12 of crossing on the steam outlet pipe 5, acoustic energy changes into heat energy through the aperture friction of sparker and dissipates a part again, sound wave by baffler is weakened is for the third time for the third time eliminated the noise, reach 90-94 decibels after the noise elimination, thereby effectively reduce the exhaust sound of petrol engine, soundproof effect is good, and spark catching net 12 can catch the spark after the secondary combustion, avoid spark to be discharged into the external world, cause potential safety hazard.The aperture D of described bloop is 6mm.Erasure effect was the most desirable when the aperture of bloop 7 was 6mm.The length L of described catalyst converter connecting tube 10 is 60mm.Good muffling effect.Described breather cheek valve 9 comprises valve body 91, open valve pocket 911 in the valve body, be installed into air valve cap 92 on the valve body, suction valve covers and drives pore 921 into, the air inlet valve gap fixes through double-screw bolt 922 and valve body, the one-way valve seat 93 of aluminium alloy compression casting is installed in valve pocket, open pore 935 in the one-way valve seat, following peripheral seal ring 931 and lower center seal ring 932 are installed below the one-way valve seat, install peripheral sealing circle 933 above the one-way valve seat, installation reed 94 and arc spring leaf pressing plate 941 between one-way valve seat 93 and valve body 91, one-way valve seat 93 is opened fixed hole 934 on one side, perforation 942 is left on one side of reed 94 and arc spring leaf pressing plate 941 separately, one side of reed 94 and reed pressing plate 941 fixes through the fixed hole 934 that screw 943 passes perforation 942 and one-way valve seat 93, filter screen 95 is installed between one-way valve seat 93 and air inlet valve gap 92, filter screen contacts with upper periphery seal ring 933, described valve body 91 sidewall mounting flanges 96 and air inlet steel pipe 97, mounting flange pad 961 between flange and the valve body, flange 96 fixes through bolt 962 and valve body, and air inlet steel pipe 97 other ends link to each other with outlet pipe 6.During work, air enters from the inlet hole 921 of air inlet valve gap 92, air filters through filter screen 95, prevent that some particulate matters from entering in the valve pocket 911, then air is through the vent 935 of one-way valve seat 93, because the lower center seal ring 932 below the vent contacts with reed 94 sealings, and one side of reed and arc spring leaf pressing plate 941 is fixing with one-way valve seat 93, air just promotes the another side of reed 94 downwards, the reed another side is turned over slightly downwards, and when reed contacted with arc spring leaf pressing plate 941, reed obtained the location, this moment, vent 935 communicated with valve pocket 911, air enters valve pocket, and last air enters outlet pipe through air inlet steel pipe 97, and the air that fills into makes the ternary catalyzing unit of outlet pipe obtain secondary abundant burning to tail gas, thereby the CO in the reduction exhaust emissions, the CH compound reduces atmospheric pollution; During not air inlet, reed 94 is upwards replied under the effect of restoring force and is contacted with the lower center seal ring 932 of one-way valve seat 93, avoids air to exteenal reflux, the air only import but no export.

Claims

1. multi-functional environment-protection silencing apparatus, comprise body (1), install end cap (2) in the body, lower end cap (3) and internal partition (4), steam outlet pipe (5) is installed in upper end cap (3), outlet pipe (6) is installed under the lower end cap, have bloop (7) on the internal partition (4), the middle part that it is characterized in that described outlet pipe (6) connects breather cheek valve (9), catalyst converter connecting tube (10) is installed in the body (1) on outlet pipe top, 400 purpose ternary catalyzing units (11) are set in the catalyst converter connecting tube, have 16 bloops (7) on the described internal partition (4), the aperture D of bloop is 5-7mm, the upper spark catching net (12) of installing of described steam outlet pipe (5).

2. multi-functional environment-protection silencing apparatus as claimed in claim 1, the aperture D that it is characterized in that described bloop (7) is 6mm.

3. multi-functional environment-protection silencing apparatus as claimed in claim 1, the length L that it is characterized in that described catalyst converter connecting tube (10) is 60mm.

4. multi-functional environment-protection silencing apparatus as claimed in claim 1, it is characterized in that described breather cheek valve (9) comprises valve body (91), open valve pocket (911) in the valve body, be installed into air valve cap (92) on the valve body, suction valve covers and drives pore (921) into, the air inlet valve gap fixes through double-screw bolt (922) and valve body, the one-way valve seat (93) of aluminium alloy compression casting is installed in valve pocket, open pore (935) in the one-way valve seat, following peripheral seal ring (931) and lower center seal ring (932) are installed below the one-way valve seat, install peripheral sealing circle (933) above the one-way valve seat, installation reed (94) and arc spring leaf pressing plate (941) between one-way valve seat (93) and valve body (91), one-way valve seat (93) is opened fixed hole (934) on one side, perforation (942) is left on one side of reed (94) and arc spring leaf pressing plate (941) separately, one side of reed (94) and reed pressing plate (941) fixes through the fixed hole (934) that screw (943) passes perforation (942) and one-way valve seat (93), between one-way valve seat (93) and air inlet valve gap (92), filter screen (95) is installed, filter screen contacts with upper periphery seal ring (933), described valve body (91) sidewall mounting flange (96) and air inlet steel pipe (97), mounting flange pad (961) between flange and the valve body, flange (96) fixes through bolt (962) and valve body, and air inlet steel pipe (97) other end links to each other with outlet pipe (6).