CN202789039U - Air supplementing and feeding valve for gasoline engine exhaust pipe - Google Patents
Air supplementing and feeding valve for gasoline engine exhaust pipe Download PDFInfo
- Publication number
- CN202789039U CN202789039U CN 201220408322 CN201220408322U CN202789039U CN 202789039 U CN202789039 U CN 202789039U CN 201220408322 CN201220408322 CN 201220408322 CN 201220408322 U CN201220408322 U CN 201220408322U CN 202789039 U CN202789039 U CN 202789039U
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- China
- Prior art keywords
- valve
- valve seat
- reed
- air inlet
- valve body
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- Expired - Fee Related
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- Exhaust Gas After Treatment (AREA)
Abstract
The utility model discloses an air supplementing and feeding valve for a gasoline engine exhaust pipe. The air supplementing and feeding valve for the gasoline engine exhaust pipe is characterized in that a valve cavity is arranged in an air inlet body; the valve body is provided with an air inlet valve deck provided with air inlets; the air inlet valve deck is fixed with the valve body via studs; an air hole is arranged in a check valve seat for installing aluminum alloy die-casting in the valve cavity; a lower periphery seal ring and a lower center seal ring are installed below the check valve seat; an upper periphery seal ring is arranged above the check valve seat; a reed and an arc-shaped reed platen are installed between the check valve seat and the valve body; one side of the check valve seat is provided with a mounting holes; one side of the reed and one side of the arc-shaped reed platen are respectively provided with a perforation; one side of the reed and one side of the reed platen are fixed with the mounting holes of the check valve seat after bolts pass through the perforations; a filter screen is installed between the check valve seat and the air inlet valve deck; the filter screen is contacted with the upper periphery seal ring; the side wall of the valve body is provided with a flange and an air inlet steel pipe; a flange gasket is installed between the flange and the valve body; the flange is fixed with the valve body via bolts; and the other end of the air inlet steel pipe is connected with an exhaust pipe silencer.
Description
Technical field
The utility model relates to petrol engine, particularly relates to a kind of tonifying Qi suction valve of petrol engine outlet pipe.
Background technique
Along with national legislation is more and more higher to environmental requirement, requirement to discharging waste gas is more and more tighter, traditional general small-size gasoline engine exhaust emission is serious, be difficult to reach emission request, it is insufficient that the serious wherein part of exhaust emission comes from exhaust combustion, cause CO, CH compounds content in the tail gas high, thereby air is polluted.
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 tail gas that gasoline exhaust is gone out fully to burn, and reduces CO, CH compounds content in the tail gas, reduces the tonifying Qi suction valve of a kind of petrol engine outlet pipe of air-polluting.
The technological scheme of the tonifying Qi suction valve of a kind of petrol engine outlet pipe of the utility model is: the valve body that it is characterized in that suction valve, 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 the self-retaining hole on one side, perforation is respectively left on one side of reed and arc spring leaf pressing plate, one side of reed and reed pressing plate fixes through the fixed hole that screw passes perforation and one-way valve seat, 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 muffler of gas escape tube.
The utility model discloses a kind of tonifying Qi suction valve of petrol engine 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, and air just promotes the another side of reed downwards, and the reed another side is turned over slightly downwards, when reed contacts with the arc spring leaf pressing plate, reed obtains the location, and this moment, vent communicated with valve pocket, and air enters valve pocket, last air enters muffler of gas escape tube through the air inlet steel pipe, the air that fills into makes in the muffler of gas escape tube tail gas is obtained secondary abundant burning, thereby reduces the CO in the 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.The tonifying Qi suction valve of a kind of petrol engine outlet pipe of this programme, by filling into air in the silencing apparatus to the petrol engine outlet pipe, make tail gas obtain for the second time fully burning, reduce atmospheric pollution, and one-way valve seat adopts aluminium alloy compression casting, alleviates the weight of suction valve, prevents from breaking easily along with machine produces vibrations together owing to weight is excessive, the two sides of one-way valve seat is adopted the sealing of three places, good sealing effect altogether.
The tonifying Qi suction valve of a kind of petrol engine outlet pipe of the utility model, the radian of described arc spring leaf pressing plate are 10 °.The too small air of radian enters insufficient, and radian is excessive, and reed opens rear yielding, and causes and can't reply, and the radian of arc spring leaf pressing plate is 10 °, and the maximum radian that reed opens is 10 ° too, can guarantee that like this air fully enters.Described suction valve covers and has 16 inlet holes, and the aperture D of each inlet hole is 3mm.Ensure enough air inflows.
Description of drawings
Fig. 1 is a kind of decomposing state schematic perspective view of tonifying Qi suction valve of petrol engine outlet pipe;
Fig. 2 is a kind of schematic side view of tonifying Qi suction valve of petrol engine outlet pipe;
Fig. 3 is that the master of one-way valve seat looks schematic representation;
Fig. 4 is the schematic rear view of one-way valve seat;
Fig. 5 is that the master of air inlet valve gap looks schematic representation.
Embodiment
The utility model relates to a kind of tonifying Qi suction valve of petrol engine outlet pipe, such as Fig. 1-shown in Figure 5, the valve body 1 that it is characterized in that suction valve, open valve pocket 11 in the valve body, be installed into air valve cap 2 on the valve body, suction valve covers and drives pore 21 into, the air inlet valve gap fixes through double-screw bolt 22 and valve body, the one-way valve seat 3 of aluminium alloy compression casting is installed in valve pocket, open pore 35 in the one-way valve seat, following peripheral seal ring 31 and lower center seal ring 32 are installed below the one-way valve seat, install peripheral sealing circle 33 above the one-way valve seat, installation reed 4 and arc spring leaf pressing plate 41 between one-way valve seat 3 and valve body 1, one-way valve seat 3 is opened fixed hole 34 on one side, perforation 42 is left on one side of reed 4 and arc spring leaf pressing plate 41 separately, one side of reed 4 and reed pressing plate 41 fixes through the fixed hole 34 that screw 43 passes perforation 42 and one-way valve seat 3, filter screen 5 is installed between one-way valve seat 3 and air inlet valve gap 2, filter screen contacts with upper periphery seal ring 33, described valve body 1 sidewall mounting flange 6 and air inlet steel pipe 7, mounting flange pad 61 between flange and the valve body, flange 6 fixes through bolt 62 and valve body, and air inlet steel pipe 7 other ends link to each other with muffler of gas escape tube.During work, air enters from the inlet hole 21 of air inlet valve gap 2, air filters through filter screen 5, prevent that some particulate matters from entering in the valve pocket 11, then air is through the vent 35 of one-way valve seat 3, because the lower center seal ring 32 below the vent contacts with reed 4 sealings, and one side of reed and arc spring leaf pressing plate 41 is fixing with one-way valve seat 3, air just promotes the another side of reed 4 downwards, the reed another side is turned over slightly downwards, and when reed contacted with arc spring leaf pressing plate 41, reed obtained the location, this moment, vent 35 communicated with valve pocket 11, air enters valve pocket, and last air enters muffler of gas escape tube through air inlet steel pipe 7, and the air that fills into makes in the muffler of gas escape tube tail gas is obtained secondary abundant burning, thereby the CO in the reduction exhaust emissions, the CH compound reduces atmospheric pollution; During not air inlet, reed 4 is upwards replied under the effect of restoring force and is contacted with the lower center seal ring 32 of one-way valve seat 3, avoids air to exteenal reflux, the air only import but no export.The tonifying Qi suction valve of a kind of petrol engine outlet pipe of this programme, by filling into air in the silencing apparatus to the petrol engine outlet pipe, make tail gas obtain for the second time fully burning, reduce atmospheric pollution, and one-way valve seat 3 adopts aluminium alloy compression casting, alleviates the weight of suction valve, prevents from breaking easily along with machine produces vibrations together owing to weight is excessive, the two sides of one-way valve seat 3 is adopted the sealing of three places, good sealing effect altogether.The radian of described arc spring leaf pressing plate 41 is 10 °.The too small air of radian enters insufficient, and radian is excessive, and reed 4 opens rear yielding, and causes and can't reply, and the radian of arc spring leaf pressing plate 41 is 10 °, and the maximum radian that reed 4 opens is 10 ° too, can guarantee that like this air fully enters.Have 16 inlet holes 21 on the described air inlet valve gap 2, the aperture D of each inlet hole is 3mm.Ensure enough air inflows.
Claims (3)
1. the tonifying Qi suction valve of a petrol engine outlet pipe, the valve body (1) that it is characterized in that suction valve, open valve pocket (11) in the valve body, be installed into air valve cap (2) on the valve body, suction valve covers and drives pore (21) into, the air inlet valve gap fixes through double-screw bolt (22) and valve body, the one-way valve seat (3) of aluminium alloy compression casting is installed in valve pocket, open pore (35) in the one-way valve seat, following peripheral seal ring (31) and lower center seal ring (32) are installed below the one-way valve seat, install peripheral sealing circle (33) above the one-way valve seat, installation reed (4) and arc spring leaf pressing plate (41) between one-way valve seat (3) and valve body (1), one-way valve seat (3) is opened fixed hole (34) on one side, perforation (42) is left on one side of reed (4) and arc spring leaf pressing plate (41) separately, one side of reed (4) and reed pressing plate (41) fixes through the fixed hole (34) that screw (43) passes perforation (42) and one-way valve seat (3), between one-way valve seat (3) and air inlet valve gap (2), filter screen (5) is installed, filter screen contacts with upper periphery seal ring (33), described valve body (1) sidewall mounting flange (6) and air inlet steel pipe (7), mounting flange pad (61) between flange and the valve body, flange (6) fixes through bolt (62) and valve body, and air inlet steel pipe (7) other end links to each other with muffler of gas escape tube.
2. the tonifying Qi suction valve of a kind of petrol engine outlet pipe as claimed in claim 1, the radian that it is characterized in that described arc spring leaf pressing plate (41) is 10 °.
3. the tonifying Qi suction valve of a kind of petrol engine outlet pipe as claimed in claim 1 is characterized in that having 16 inlet holes (21) on the described air inlet valve gap (2), and the aperture D of each inlet hole is 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220408322 CN202789039U (en) | 2012-08-17 | 2012-08-17 | Air supplementing and feeding valve for gasoline engine exhaust pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220408322 CN202789039U (en) | 2012-08-17 | 2012-08-17 | Air supplementing and feeding valve for gasoline engine exhaust pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202789039U true CN202789039U (en) | 2013-03-13 |
Family
ID=47816314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220408322 Expired - Fee Related CN202789039U (en) | 2012-08-17 | 2012-08-17 | Air supplementing and feeding valve for gasoline engine exhaust pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202789039U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808678A (en) * | 2012-08-17 | 2012-12-05 | 徐查庆 | Air-supply inlet valve of gasoline engine exhaust pipe |
| CN103629511A (en) * | 2013-11-27 | 2014-03-12 | 青岛铁辉工贸有限公司 | Novel flat plate |
-
2012
- 2012-08-17 CN CN 201220408322 patent/CN202789039U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808678A (en) * | 2012-08-17 | 2012-12-05 | 徐查庆 | Air-supply inlet valve of gasoline engine exhaust pipe |
| CN103629511A (en) * | 2013-11-27 | 2014-03-12 | 青岛铁辉工贸有限公司 | Novel flat plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20150817 |
|
| EXPY | Termination of patent right or utility model |