CN204851386U - Exhaust apparatus with variable back pressure amortization drum - Google Patents
Exhaust apparatus with variable back pressure amortization drum Download PDFInfo
- Publication number
- CN204851386U CN204851386U CN201520548645.9U CN201520548645U CN204851386U CN 204851386 U CN204851386 U CN 204851386U CN 201520548645 U CN201520548645 U CN 201520548645U CN 204851386 U CN204851386 U CN 204851386U
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- Prior art keywords
- hush pipe
- chamber
- pipe
- housing
- drum
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- Exhaust Silencers (AREA)
Abstract
The utility model discloses an exhaust apparatus with variable back pressure amortization drum. Including the air duct, be equipped with the amortization drum on the air duct, amortization drum one end is connected with the tail and chews, amortization drum both ends are equipped with the baffle, are equipped with the net dish in the drum to separate into first cavity, second cavity, third cavity, fourth cavity and the 5th cavity in will rousing, be equipped with the amortization cotton in first cavity and the 5th cavity, be equipped with first hush pipe in the casing, first hush pipe is chewed with air duct and tail and is connected, is equipped with the wedge bloop on the first hush pipe, is connected with second hush pipe and third hush pipe on the first hush pipe, is equipped with the valve in the first hush pipe, and the valve is connected with electric putter, the tail is chewed including the inner tube, and the inner tube is equipped with thermal sleeve outward, be equipped with the ventilation hole on the horn mouth of inner tube and thermal sleeve's the binding off end. It has the function that can realize in line drum and back pressure drum on same exhaust apparatus, and the amortization resistance is big, and is effectual, safe in utilization, the beneficial effect of sound construction.
Description
Technical field
The utility model relates to a kind of exhaust system, particularly a kind of venting gas appliance with variable back pressure noise reduction drum.
Background technique
Exhaust system is the vitals in automobile, its major function is that the waste gas produced by motor is discharged, eliminate the noise produced when waste gas is discharged simultaneously, it abates the noise mainly by arranging noise reduction drum on air pipe, tail gas to enter after noise reduction drum under the effect of hush pipe and silencing cotton, by noise absorption, reach the function abated the noise, but in existing automobile silencing drum, there are in line drum and back pressure drum two kinds, back pressure can not be formed in the drum of in line drum, be vented very smooth and easy, horsepower when being in high rotating speed to motor car engine has certain castering action, but, its exhaust sound is very large, seriously cause the noise pollution of surrounding environment, back pressure drum then can form back pressure, to the torsion during motor car engine slow-speed of revolution, there is certain castering action, simultaneously, because smooth in exhaust degree is lower, its erasure effect is better, the sound of exhaust can not cause too large noise pollution.But the effect of two kinds of noise reduction drums is comparatively fixing, the conversion of in line drum and back pressure drum can not be realized in same noise reduction drum.In addition, it is be positioned at exhaust system afterbody that tail is chewed, and is exposed at the device of automobile tail, traditional car tail chews the steel pipe into single layer structure, and because the heat of vehicle exhaust is very high, the outer wall of steel pipe temperature of single layer structure is very high, be easy to time human body touch is encountered be burned, safe not.Therefore, the deficiencies in the prior art are, can not realize the function of in line drum and back pressure drum on same venting gas appliance, meanwhile, noise reduction resistance is little, and erasure effect is undesirable, uses dangerous.
Summary of the invention
The purpose of this utility model is, provides a kind of venting gas appliance with variable back pressure noise reduction drum.The utility model can realize the function of in line drum and back pressure drum on same venting gas appliance, and noise reduction resistance is large, and effective, use safety, in addition, the utility model also has well-set feature.
The technical solution of the utility model: a kind of venting gas appliance with variable back pressure noise reduction drum, include air pipe, air pipe is provided with noise reduction drum, and noise reduction drum one end is connected with tail and chews, and air pipe is also provided with hook, described noise reduction drum includes housing, the two ends of housing are provided with baffle plate, the net dish of four band mesh is provided with in housing, connect through connecting rod between net dish, and the first chamber, the second chamber, the 3rd chamber, the 4th chamber and the 5th chamber will be separated in housing, be provided with silencing cotton in the first chamber and the 5th chamber, the first hush pipe is provided with in described housing, the two ends of the first hush pipe pass from the baffle plate at housing two ends respectively, and extend to the outside of housing, and chew with air pipe and tail respectively and be connected, the first hush pipe being positioned at housing is provided with and caves inward and the wedge shape bloop distributed in the shape of a spiral, its opening direction is contrary with exhaust gas flow direction, the first hush pipe being positioned at the first chamber is connected with the second hush pipe, its one end is through after net dish, stretch in the 4th chamber, be positioned on the first hush pipe outside the housing of the 5th chamber side and be connected with the 3rd hush pipe, its one end is through after baffle plate and net dish, stretch in the second chamber, wherein in baffle plate and the first hush pipe between the first hush pipe and the 3rd hush pipe joint, be provided with valve, valve is movably connected in the first hush pipe through rotatingshaft, the tube wall of the first hush pipe is passed in one end of rotatingshaft, and be connected with the electric pushrod being located at the first hush pipe side through movable connecting rod, Bluetooth signal receiver is provided with in described electric pushrod, described tail is chewed and is included interior pipe, and interior pipe is connected with first hush pipe one end, is provided with thermal sleeve outside interior pipe, forms heat-insulation chamber between interior pipe and thermal sleeve, described interior pipe is horn-like, and bell-mouthed edge is connected with thermal sleeve, described thermal sleeve is funnel shape, and its end that closes up is connected with the outer wall of interior pipe, the inclined-plane of wherein said horn mouth and the end that closes up is provided with vent hole.
The aforesaid venting gas appliance with variable back pressure noise reduction drum, the edge of described net dish is by the arc surface turned over into perpendicular to net dish.
The aforesaid venting gas appliance with variable back pressure noise reduction drum, described vent hole is set to 10-14.
The beneficial effects of the utility model: the utility model by arranging noise reduction drum on air pipe, in the housing of noise reduction drum, first hush pipe is set, and the first hush pipe in housing connects the second hush pipe, its one end stretches in the 4th chamber through net dish, the first hush pipe outside housing connects the 3rd hush pipe, its one end is through stretching in the second chamber after baffle plate and net dish, simultaneously, at the first hush pipe being positioned at outside, valve is set, and by the folding being used for control valve of electric pushrod, when the in line function of needs, open valve, vehicle exhaust is made directly to discharge noise reduction drum from the first hush pipe, smooth in exhaust, to the horsepower of rev-happy engine, there is castering action, when needs back pressure function, throttle down, tail gas enters in the 4th chamber from the second hush pipe, then through entering the second chamber after net dish and the 3rd chamber and discharging noise reduction drum from the 3rd hush pipe, tail gas enters when noise reduction is roused at the second chamber, pile up in 3rd chamber and the 4th chamber, form back pressure, to the torsion of motor during the slow-speed of revolution, there is certain castering action, reach and realize in line and object that is back pressure function on same venting gas appliance.In addition, by arranging wedge shape bloop on the first hush pipe of the present utility model, wedge shape bloop is by by inside for hush pipe rolling, the bloop of the HALF OPENING shape formed, because its opening direction is contrary with exhaust gas flow direction, improve noise reduction resistance, air-flow is being easy to through the first hush pipe flow out the first hush pipe after wedge shape bloop water conservancy diversion, enter in silencing cotton, eliminate partial noise, reduce the noise pollution of vertical pipe, simultaneously, because wedge shape bloop distributes in the shape of a spiral, the area of contact of itself and air-flow is larger, improves erasure effect.Moreover, the utility model arranges thermal sleeve by pipe in chewing at tail is outer, tail is made to chew formation double layer construction, there is heat-insulation chamber centre, and the horn mouth at heat-insulation chamber two ends and the inclined-plane of the end that closes up are provided with ventilated port, and air enters heat-insulation chamber from the vent hole closed up end, then flow out from the ventilated port on horn mouth, take away the most of heat in chamber, reduced the temperature of thermal sleeve tube wall, improve margin of safety of the present utility model.In addition, by the edge of net dish of the present utility model being turned over into the arc surface perpendicular to net dish, increase the surface of contact of net dish and inner walls, make net dish be easier to welding, structure is more firm.In sum, the utility model has the function that can realize in line drum and back pressure drum on same venting gas appliance, and noise reduction resistance is large, effective, use safety, well-set beneficial effect.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is the sectional view of noise reduction drum;
Accompanying drawing 3 is three-dimensional structure schematic diagram of the present utility model;
Accompanying drawing 4 is the sectional view of the first hush pipe;
The sectional view that accompanying drawing 5 is chewed for tail;
The right elevation that accompanying drawing 6 is chewed for tail;
The left view that accompanying drawing 7 is chewed for tail.
Description of reference numerals: 1-housing, 2-baffle plate, 3-connecting rod, 4-mesh, 5-net dish, 6-first chamber, 7-second chamber, 8-the 3rd chamber, 9-the 4th chamber, 10-the 5th chamber, 11-first hush pipe, 12-second hush pipe, 13-the 3rd hush pipe, 14-valve, 15-movable connecting rod, 16-electric pushrod, 17-wedge shape bloop, 18-air pipe, 19-noise reduction drum, 20-tail is chewed, and 21-links up with, pipe in 22-, 23-thermal sleeve, 24-heat-insulation chamber, 25-horn mouth, 26-closes up end, 27-ventilated port.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described, but not as the foundation limited the utility model.
Embodiment of the present utility model: a kind of venting gas appliance with variable back pressure noise reduction drum, as shown in accompanying drawing 1-7, include air pipe 18, air pipe 18 is provided with noise reduction drum 19, and noise reduction drum 19 one end is connected with tail and chews 20, and air pipe 19 is also provided with hook 21, described noise reduction drum 19 includes housing 1, the two ends of housing 1 are provided with baffle plate 2, the net dish 5 of four band mesh 4 is provided with in housing 1, connect through connecting rod 3 between net dish 5, and be provided with silencing cotton by being separated in housing 1 in first chamber 6, second chamber 7, the 3rd chamber 8, the 4th chamber 9 and the 5th chamber 10, first chamber 6 and the 5th chamber 10, the first hush pipe 11 is provided with in described housing 1, the two ends of the first hush pipe 11 pass from the baffle plate 2 at housing 1 two ends respectively, and extend to the outside of housing 1, and chew 20 with air pipe 18 and tail respectively and be connected, the first hush pipe 11 being positioned at housing 1 is provided with and caves inward and the wedge shape bloop 17 distributed in the shape of a spiral, its opening direction is contrary with exhaust gas flow direction, the first hush pipe 11 being positioned at the first chamber 6 is connected with the second hush pipe 12, its one end is through after net dish 5, stretch in the 4th chamber 9, be positioned on the first hush pipe 11 outside the housing 1 of the 5th chamber 10 side and be connected with the 3rd hush pipe 13, its one end is through after baffle plate 2 and net dish 5, stretch in the second chamber 7, wherein in baffle plate 2 and the first hush pipe 11 between the first hush pipe 11 and the 3rd hush pipe 13 joint, be provided with valve 14, valve 14 is movably connected in the first hush pipe 11 through rotatingshaft, the tube wall of the first hush pipe 11 is passed in one end of rotatingshaft, and be connected with the electric pushrod 16 being located at the first hush pipe 11 side through movable connecting rod 15, Bluetooth signal receiver is provided with in described electric pushrod 16, described tail is chewed 20 and is included interior pipe 22, and interior pipe 22 is connected with first hush pipe 11 one end, is provided with thermal sleeve 23 outside interior pipe 22, forms heat-insulation chamber 24 between interior pipe 22 and thermal sleeve 23, described interior pipe 22 is horn-like, and the edge of horn mouth 25 is connected with thermal sleeve 23, described thermal sleeve 23 is funnel shape, and its closing in end 26 is connected with the outer wall of interior pipe 22, wherein said horn mouth 25 and the inclined-plane of closing in end 26 are provided with vent hole 27.
The edge of described net dish 5 is by the arc surface turned over into perpendicular to net dish 5.
Described vent hole 27 is set to 10-14.
Working principle of the present utility model: during installation, is connected to the relief opening of motor by one end of air pipe 17, utilize hook 21 to be fixed on the chassis of automobile by air pipe 18.During use, tail gas is after air pipe 18 water conservancy diversion, then the first hush pipe 11 on the left of noise reduction drum 19 enters in housing 1, Bluetooth control electric pushrod 16 action is utilized by mobile phone or other-end, and be with movable valve 14 folding, when the in line function of needs, valve 14 is opened, because the exhaust resistance of the first hush pipe 11 is lower, tail gas directly gets rid of noise reduction drum 19 after the first hush pipe 11 noise reduction, smooth in exhaust, when needs back pressure function, throttle down 14, tail gas flows to the 4th chamber 9 through the second hush pipe 12, then the second chamber 7 is entered through after net dish 5 and the 3rd chamber 8, finally discharge noise reduction drum 19 from the 3rd hush pipe 13, make tail gas at the second chamber 7, pile up in 3rd chamber 8 and the 4th chamber 9, form back pressure.In addition, when using in line function, partial tail gas flows out the first hush pipe 11 after wedge shape bloop 17 water conservancy diversion on the first hush pipe 11, is then absorbed by the silencing cotton in the first chamber 6 and the 5th chamber 10, reduces the noise pollution of vertical pipe; In like manner, when using back pressure function, partial tail gas enters in the first chamber 6 and the 5th chamber 10 through mesh 4, is then absorbed by silencing cotton, and reduce the noise of back pressure drum, make exhaust sound more overcast, last tail gas chews 20 discharges through tail.
As preferably, the edge of described net dish 5 is by the arc surface turned over into perpendicular to net dish 5.Which increase the surface of contact of net dish 5 and housing 1 inwall, make net dish 5 be easier to welding, structure is more firm.
As preferably, described vent hole 27 is set to 10-14.The requirement of ventilation can be met, the structural strength that tail chews 20 can not be affected because of Tai Mi simultaneously.
Claims (3)
1. the venting gas appliance with variable back pressure noise reduction drum, it is characterized in that: include air pipe (18), air pipe (18) is provided with noise reduction drum (19), and noise reduction drum (19) one end is connected with tail and chews (20), air pipe (19) is also provided with hook (21), described noise reduction drum (19) includes housing (1), the two ends of housing (1) are provided with baffle plate (2), the net dish (5) of four bands mesh (4) is provided with in housing (1), connect through connecting rod (3) between net dish (5), and the first chamber (6), the second chamber (7), the 3rd chamber (8), the 4th chamber (9) and the 5th chamber (10) will be separated in housing (1), be provided with silencing cotton in the first chamber (6) and the 5th chamber (10), the first hush pipe (11) is provided with in described housing (1), the two ends of the first hush pipe (11) pass from the baffle plate (2) at housing (1) two ends respectively, extend to the outside of housing (1), and chew (20) with air pipe (18) and tail respectively and be connected, the first hush pipe (11) being positioned at housing (1) is provided with and caves inward and the wedge shape bloop (17) distributed in the shape of a spiral, its opening direction is contrary with exhaust gas flow direction, the first hush pipe (11) being positioned at the first chamber (6) is connected with the second hush pipe (12), its one end is through after net dish (5), stretch in the 4th chamber (9), the housing (1) being positioned at the 5th chamber (10) side the first hush pipe (11) is outward connected with the 3rd hush pipe (13), its one end is through after baffle plate (2) and net dish (5), stretch in the second chamber (7), wherein be positioned at baffle plate (2) and the first hush pipe (11) between the first hush pipe (11) and the 3rd hush pipe (13) joint is provided with valve (14), valve (14) is movably connected in the first hush pipe (11) through rotatingshaft, the tube wall of the first hush pipe (11) is passed in one end of rotatingshaft, and be connected with the electric pushrod (16) being located at the first hush pipe (11) side through movable connecting rod (15), described electric pushrod is provided with Bluetooth signal receiver in (16), described tail is chewed (20) and is included interior pipe (22), and interior pipe (22) is connected with the first hush pipe (11) one end, is provided with thermal sleeve (23) outside interior pipe (22), forms heat-insulation chamber (24) between interior pipe (22) and thermal sleeve (23), described interior pipe (22) is for horn-like, and the edge of horn mouth (25) is connected with thermal sleeve (23), described thermal sleeve (23) is funnel shape, and its end (26) that closes up is connected with the outer wall of interior pipe (22), the inclined-plane of wherein said horn mouth (25) and the end (26) that closes up is provided with vent hole (27).
2. the venting gas appliance with variable back pressure noise reduction drum according to claim 1, is characterized in that: the edge of described net dish (5) is by the arc surface turned over into perpendicular to net dish (5).
3. the venting gas appliance with variable back pressure noise reduction drum according to claim 1, is characterized in that: described vent hole (27) is set to 10-14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520548645.9U CN204851386U (en) | 2015-07-27 | 2015-07-27 | Exhaust apparatus with variable back pressure amortization drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520548645.9U CN204851386U (en) | 2015-07-27 | 2015-07-27 | Exhaust apparatus with variable back pressure amortization drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204851386U true CN204851386U (en) | 2015-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520548645.9U Expired - Fee Related CN204851386U (en) | 2015-07-27 | 2015-07-27 | Exhaust apparatus with variable back pressure amortization drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204851386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003323A (en) * | 2015-07-27 | 2015-10-28 | 邓厚才 | Automobile exhaust device with variable return pressure silencing drum |
-
2015
- 2015-07-27 CN CN201520548645.9U patent/CN204851386U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003323A (en) * | 2015-07-27 | 2015-10-28 | 邓厚才 | Automobile exhaust device with variable return pressure silencing drum |
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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: 20151209 Termination date: 20170727 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |