CN203271888U - Automobile silencer - Google Patents
Automobile silencer Download PDFInfo
- Publication number
- CN203271888U CN203271888U CN 201320295184 CN201320295184U CN203271888U CN 203271888 U CN203271888 U CN 203271888U CN 201320295184 CN201320295184 CN 201320295184 CN 201320295184 U CN201320295184 U CN 201320295184U CN 203271888 U CN203271888 U CN 203271888U
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- China
- Prior art keywords
- cylindrical shell
- pipeline section
- outlet pipe
- suction port
- automotive muffler
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- 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.)
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Abstract
The utility model discloses an automobile silencer which comprises a barrel, an air inlet pipe and an exhaust pipe, wherein the air inlet pipe and the exhaust pipe are arranged in the barrel. The air inlet end of the barrel is lower than the exhaust end of the barrel, an air inlet of the exhaust pipe is close to the bottom wall of the air inlet end, and an air outlet is higher than the air inlet of the exhaust pipe. In a working process, accumulated water in the barrel continuously converges to the air inlet end with a lower position and enters the exhaust pipe through the air inlet close to the bottom wall of the air inlet end, so that the accumulated water is drained through the exhaust pipe. In this way, the accumulated water can be drained timely without drain holes formed in the barrel, so that the accumulated water in the barrel is drained under the conditions that barrel material characteristics are not changed, barrel corrosion is avoided, and service life of the silencer is prolonged.
Description
Technical field
The utility model relates to haulage device field, particularly a kind of automotive muffler.
Background technique
Automobile noise is mainly from the automobile exhaust noise.If do not add silencing apparatus, noise can reach more than 100 decibels, adds silencing apparatus in vent systems, can make automobile exhaust reducing noise to 70 decibel, and therefore, silencing apparatus is the important component part of automobile exhaust system.
Motor can produce waste water in operation process, cause often leaving in silencing apparatus draining, if these waste water prolonged stays are in the cylindrical shell of silencing apparatus, will cause the serious corrosion in inside of silencer cylinder, even cause the silencing apparatus disabler, therefore, the ponding in silencer cylinder in time need to be discharged.
Traditional drainage pattern is to offer weep hole on silencer cylinder, and weep hole is opened in the end of cylindrical shell usually, and ponding is discharged by one or more weep holes.But, because the cylindrical shell of silencing apparatus adopts the alclad sheet material to make more, its coating of aluminizing has rust inhibition, and the water hole that directly begins to rehearse on cylindrical shell, the coating of aluminizing will be destroyed, makes the cylindrical shell corrosion that gets rusty easily in the position of offering weep hole, not only affects drainage effect, also the working life of cylindrical shell can be affected, the problem of cylindrical shell corrosion can't be fundamentally solved.
Therefore, how under the condition of not destroying the silencer cylinder material behavior, the ponding in silencer cylinder is discharged, avoid the cylindrical shell corrosion, extend the working life of silencing apparatus, need the problem of solution with regard to becoming those skilled in the art badly.
The model utility content
The purpose of this utility model is to provide a kind of automotive muffler, and it can discharge the ponding of inner barrel under the condition of not destroying the cylinder material characteristic, avoid the cylindrical shell corrosion, extends the working life of silencing apparatus.
For solving the problems of the technologies described above, the utility model provides a kind of automotive muffler, comprise cylindrical shell, be arranged at suction tude and outlet pipe in described cylindrical shell, the inlet end of described cylindrical shell is lower than its exhaust end, the suction port of described outlet pipe is near the diapire of described inlet end, and the air outlet of described outlet pipe is higher than described suction port.
Preferably, described outlet pipe comprises the first pipeline section and the second pipeline section, described the first pipeline section is bend pipe, and described suction port is arranged at described the first pipeline section away from an end of described the second pipeline section, and described air outlet is arranged at described the second pipeline section away from an end of described the first pipeline section.
Preferably, the distance of the diapire of the minimum point of described suction port and described cylindrical shell is 3mm to 5mm.
Preferably, the external diameter of described suction port is along the airintake direction convergent.
Preferably, the bottom of described suction port is provided with guiding gutter, and described guiding gutter is to the direction depression near described cylinder body bottom.
Preferably, described the second pipeline section and described cylindrical shell be arranged in parallel.
Preferably, the minimum range of the diapire of described the second pipeline section and described cylindrical shell is less than or equal to 10cm.
Preferably, described cylindrical shell is obliquely installed, and the angle of inclination of described cylindrical shell is 1 °～2 °.
Preferably, be provided with gutter on the dividing plate of described automotive muffler.
Preferably, the sound attenuation hole on described outlet pipe is opened in described outlet pipe away from upper 2/3rds places of described cylindrical shell diapire.
Automotive muffler provided by the utility model comprises cylindrical shell, is arranged at suction tude and outlet pipe in cylindrical shell, and wherein, the inlet end of cylindrical shell is lower than its exhaust end, and the suction port of outlet pipe is near the diapire of inlet end, and the air outlet is higher than the suction port of outlet pipe; In the course of the work, constantly lower inlet end converges the ponding in cylindrical shell to the position, and enters outlet pipe by the suction port near the inlet end diapire, thereby discharges by outlet pipe; Like this, need not to offer weep hole and just can be in time ponding be discharged on cylindrical shell, thereby can avoid the cylindrical shell corrosion in the situation that do not change the ponding that the cylinder material characteristic is discharged inner barrel, extend the working life of silencing apparatus.
A kind of preferred embodiment in, automotive muffler provided by the utility model, its outlet pipe comprises the first pipeline section and the second pipeline section, wherein the first pipeline section is bend pipe, and suction port is arranged at the first pipeline section away from an end of the second pipeline section, and the air outlet is arranged at the second pipeline section away from an end of the first pipeline section; Because automotive muffler need to be connected with the miscellaneous part of vehicle, therefore, its air outlet and suction port need to other both pipeline communications of fixed position, the position of air outlet and the position of suction port are not easy to change, therefore, above-mentioned outlet pipe is arranged to have the form of bend loss, can improves the versatility of automotive muffler provided by the utility model, need not to change other dependency structures of car load, reduced the Design and manufacture difficulty.
In another preferred embodiment, automotive muffler provided by the utility model, the bottom of its suction port also is provided with guiding gutter, this guiding gutter is to the direction depression near cylinder body bottom, thereby make the cross section of suction port form the shape that is similar to water droplet, so that the ponding of cylinder body bottom enters outlet pipe by suction port.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of automotive muffler provided by the utility model.
Embodiment
Core of the present utility model is to provide a kind of automotive muffler, and it can discharge the ponding of inner barrel under the condition of not destroying the cylinder material characteristic, avoid the cylindrical shell corrosion, extends the working life of silencing apparatus.
In order to make those skilled in the art person understand better the utility model scheme, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of embodiment of automotive muffler provided by the utility model.
in a kind of embodiment, automotive muffler provided by the utility model comprises cylindrical shell 1, is arranged at suction tude 2 and outlet pipe 3 in cylindrical shell 1, wherein, the inlet end 11 of cylindrical shell 1 is lower than its exhaust end 12, the suction port 31 of outlet pipe 3 is near the diapire of inlet end 11, and air outlet 32 is higher than the suction port 31 of outlet pipe 3, air-flow enters from the inlet end 11 of suction tude 2, the outlet side out after, due to stopping of silencing apparatus end cap, can return along the space between outlet pipe 3 and suction tude 2, air-flow is through the hole on dividing plate 4, arrive the suction port 31 of outlet pipe 3, this moment outlet pipe 3 suction port 31 places owing to having accumulated the ponding that cylindrical shell 1 is in tilted layout and produces, the suction port 31 of outlet pipe 3 can be because ponding reduces suction port 31 face areas, pressure increases, and the air pressure that the air-flow at suction port 31 places of outlet pipe 3 produces, ponding is compressed into outlet pipe 3, along with the air-flow in outlet pipe 3 is got rid of outside silencer cylinder 1.Like this, in the course of the work, constantly lower inlet end 11 converges the ponding in cylindrical shell 1 to the position, and enters outlet pipe 3 by the suction port 31 near inlet end 11 diapires, thereby discharges by outlet pipe 3; Just can be in time ponding be discharged thereby need not to offer weep hole on cylindrical shell 1, can avoid cylindrical shell 1 corrosion in the situation that do not change the ponding that cylindrical shell 1 material behavior is discharged cylindrical shell 1 inside, extend the working life of silencing apparatus.
It is to be noted, above-mentioned automotive muffler not only comprises the structures such as cylindrical shell 1, suction tude 2 and outlet pipe 3, this automotive muffler also comprises other necessary structures that can realize using function, for example, radially be arranged on the dividing plate 4 in cylindrical shell 1, and the end cap etc. that is arranged on cylindrical shell 1 two ends, due to these structures and of the present utility model irrelevant, do not repeat them here.
The inlet end 11 of cylindrical shell 1 can have multiple implementation lower than its exhaust end 12, is comparatively simply wherein, and cylindrical shell 1 is obliquely installed in car body, and the angle of inclination of cylindrical shell 1 can be 1 °～2 °.Also the diapire of cylindrical shell 1 can be processed into the form of inclination, as long as can realize that ponding can converge to inlet end 11.
Above-mentioned outlet pipe 3 comprises the first pipeline section 33 and the second pipeline section 34, and wherein the first pipeline section 33 is bend pipe, and suction port 31 is arranged at the first pipeline section 33 away from an end of the second pipeline section 34, and air outlet 32 is arranged at the second pipeline section 34 away from an end of the first pipeline section 33; Because automotive muffler need to be connected with the miscellaneous part of vehicle, therefore, its air outlet 32 and suction port 31 need to other both pipeline communications of fixed position, the position of the position of air outlet 32 and suction port 31 is not easy to change, therefore, above-mentioned outlet pipe 3 is arranged to have the form of bend loss, can improves the versatility of automotive muffler provided by the utility model, need not to change other dependency structures of car load, reduced the Design and manufacture difficulty; And the radian of bend pipe is mild, and the effect of water conservancy diversion is just arranged, and ponding is easier discharges by air-flow thereby make.The camber of above-mentioned the first pipeline section 33 need to be determined according to outlet pipe 3 and the actual use condition such as distance of suction tude 2, not do restriction at this.The first pipeline section 33 also is not limited to bend pipe, and it also can be the straight tube that tilts.
for ponding can enter outlet pipe 3, the suction port 31 of outlet pipe 3 should be less with the distance of cylindrical shell 1 diapire, from theory, suction port 31 is less with the distance of cylindrical shell 1 diapire, ponding more easily enters outlet pipe 3, above-mentioned suction port 31 will be pressed close to cylindrical shell 1 lower-left side body inwall, but because the barrel of silencer cylinder 1 is thinner, directly contact can cause making cylindrical shell 1 and suction port 31 collisions of outlet pipe 3 produce abnormal sound because of vibration and the gas shock of motor, suction port 31 can not directly contact with the diapire of cylindrical shell 1 again, the optimum distance of the diapire of the minimum point of suction port 31 and cylindrical shell 1 is 3mm to 5mm.
The external diameter of above-mentioned suction port 31 can be along the airintake direction convergent, be that suction port 31 forms bell-mouthed shape, it is unobstructed that the horn mouth shape more is conducive to air-flow, so that ponding enters outlet pipe 3 smoothly under the effect of air-flow, and the suction port 31 of toroidal and the applying better effects if of cylindrical shell 1 lower-left side body inwall have promoted the water conservancy diversion of draining.
In order to make ponding enter smoothly outlet pipe 3 equally, the bottom of suction port 31 can also be provided with guiding gutter, this guiding gutter is to the direction depression near cylindrical shell 1 bottom, thereby the cross section that makes suction port 31 forms the shape be similar to water droplet, so that the ponding of cylindrical shell 1 bottom enters outlet pipe 3 by suction port 31.
The second pipeline section 34 of above-mentioned outlet pipe 3 can be arranged in parallel with cylindrical shell 1, namely be arranged in parallel with suction tude 2; The second pipeline section 34 of outlet pipe 3 is for straight tube and be parallel to silencer cylinder 1, and straight tube is located at the position near silencer cylinder 1 bottom, and the second pipeline section 34 is short to the perpendicular distance of cylindrical shell 1 diapire, and the draining meeting is more smooth and easy; Simultaneously, outlet pipe 3 is the integrative-structure of bend pipe and straight tube, can be in the situation that guarantee that drainage effect is good, silencing apparatus linear easier for installation, technique is simpler.
Above-mentioned the second pipeline section 34 is less than or equal to 10cm with the minimum range of the diapire of cylindrical shell 1, and this moment, drainage effect was better.Apparently, the second pipeline section 34 also is not limited to 10cm with the minimum range of the diapire of cylindrical shell 1, and this distance should be definite according to the actual specifications such as internal diameter of cylindrical shell 1, also can be less than 10cm, and 8cm for example is perhaps greater than 10cm, such as 12cm etc.
Also be provided with gutter 41 on the dividing plate 4 of automotive muffler, in order to promote the ponding in cylindrical shell 1 to assemble toward the inlet end 11 of cylindrical shell 1.
Sound attenuation hole 5 on above-mentioned outlet pipe 3 is opened in upper 2/3rds places away from cylindrical shell, lower 1/3rd places of outlet pipe can not perforate, because water can be pressed close to exhaust pipe lower part because of Action of Gravity Field, if sound attenuation hole 5 is also offered in the bottom of outlet pipe, ponding can flow out from sound attenuation hole 5, affects the use of silencing apparatus.
It is pointed out that ordinal numbers such as " first, second " described in literary composition only in order to distinguish the different structure of same names, is for convenience, do not represent certain order, more should not be construed as any restriction.
Above a kind of automotive muffler provided by the utility model is described in detail.Used specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. automotive muffler, comprise cylindrical shell (1), be arranged at suction tude (2) and outlet pipe (3) in described cylindrical shell (1), it is characterized in that, the inlet end (11) of described cylindrical shell (1) is lower than its exhaust end (12), the suction port (31) of described outlet pipe (3) is near the diapire of described inlet end (11), and the air outlet (32) of described outlet pipe (3) is higher than described suction port (31).
2. automotive muffler according to claim 1, it is characterized in that, described outlet pipe (3) comprises the first pipeline section (33) and the second pipeline section (34), described the first pipeline section (33) is bend pipe, and described suction port (31) is arranged at described the first pipeline section (33) away from an end of described the second pipeline section (34), and described air outlet (32) are arranged at described the second pipeline section (34) away from an end of described the first pipeline section (33).
3. automotive muffler according to claim 2, is characterized in that, the distance of the diapire of the minimum point of described suction port (31) and described cylindrical shell (1) is 3mm to 5mm.
4. automotive muffler according to claim 3, is characterized in that, the external diameter of described suction port (31) is along the airintake direction convergent.
5. automotive muffler according to claim 3, is characterized in that, the bottom of described suction port (31) is provided with guiding gutter, and described guiding gutter is to the direction depression near described cylindrical shell (1) bottom.
6. the described automotive muffler of according to claim 2 to 5 any one, is characterized in that, described the second pipeline section (34) be arranged in parallel with described cylindrical shell (1).
7. automotive muffler according to claim 6, is characterized in that, described the second pipeline section (34) is less than or equal to 10cm with the minimum range of the diapire of described cylindrical shell (1).
8. the described automotive muffler of according to claim 1 to 5 any one, is characterized in that, described cylindrical shell (1) is obliquely installed, and the angle of inclination of described cylindrical shell (1) is 1 °～2 °.
9. the described automotive muffler of according to claim 1 to 5 any one, is characterized in that, is provided with gutter (41) on the dividing plate of described automotive muffler (4).
10. the described automotive muffler of according to claim 1 to 5 any one, is characterized in that, the sound attenuation hole (5) on described outlet pipe (3) is opened in described outlet pipe (3) away from upper 2/3rds places of described cylindrical shell (1) diapire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320295184 CN203271888U (en) | 2013-05-27 | 2013-05-27 | Automobile silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320295184 CN203271888U (en) | 2013-05-27 | 2013-05-27 | Automobile silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203271888U true CN203271888U (en) | 2013-11-06 |
Family
ID=49502325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320295184 Expired - Fee Related CN203271888U (en) | 2013-05-27 | 2013-05-27 | Automobile silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203271888U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277179A (en) * | 2013-05-27 | 2013-09-04 | 柳州五菱汽车有限责任公司 | Automobile silencer |
| CN108071447A (en) * | 2016-11-14 | 2018-05-25 | 申琦 | A kind of mobile muffler |
-
2013
- 2013-05-27 CN CN 201320295184 patent/CN203271888U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277179A (en) * | 2013-05-27 | 2013-09-04 | 柳州五菱汽车有限责任公司 | Automobile silencer |
| CN103277179B (en) * | 2013-05-27 | 2015-09-30 | 广西汽车集团有限公司 | A kind of automotive muffler |
| CN108071447A (en) * | 2016-11-14 | 2018-05-25 | 申琦 | A kind of mobile muffler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGXI PROVINCE AUTOMOBILE GROUP CO., LTD. Free format text: FORMER NAME: WULING AUTOMOBILE CO., LTD., LIUZHOU |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 545007 Liuzhou Hexi Road, the Guangxi Zhuang Autonomous Region, No. 18 Patentee after: Guangxi company limited of automobile group Patentee after: Liuzhou Wuling Automobile Industry Co., Ltd. Address before: 545007 Liuzhou Hexi Road, the Guangxi Zhuang Autonomous Region, No. 18 Patentee before: Liuzhou Wuling Motors Co., Ltd. Patentee before: Liuzhou Wuling Automobile Industry Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20190527 |