CN202039930U - Silencer drainage mechanism and silencer having same - Google Patents

Silencer drainage mechanism and silencer having same Download PDF

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Publication number
CN202039930U
CN202039930U CN2011200889313U CN201120088931U CN202039930U CN 202039930 U CN202039930 U CN 202039930U CN 2011200889313 U CN2011200889313 U CN 2011200889313U CN 201120088931 U CN201120088931 U CN 201120088931U CN 202039930 U CN202039930 U CN 202039930U
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CN
China
Prior art keywords
transmission shaft
impeller
silencing apparatus
drainage mechanism
muffler body
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Expired - Lifetime
Application number
CN2011200889313U
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Chinese (zh)
Inventor
马卓
廖银生
祝何林
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BYD Co Ltd
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BYD Co Ltd
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Publication date
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Priority to CN2011200889313U priority Critical patent/CN202039930U/en
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Publication of CN202039930U publication Critical patent/CN202039930U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a silencer drainage mechanism and a silencer having the same. The silencer comprises a silencer body and a drainage mechanism which is arranged at the bottom of the silencer body; the drainage mechanism comprises a first impeller which is arranged in an exhaust pipe of the silencer body section, a pump structure which is arranged at the bottom of the silencer body and fixed on the exhaust pipe and a transmission mechanism which is arranged between the first impeller and the pump structure, wherein the first impeller is fixedly connected to the transmission mechanism; the power on the first impeller is transmitted to the pump structure through the transmission mechanism; the pump structure comprises a pump shell and a drainage pipe; a through hole which is used for communicating the bottom of the inner cavity of the silencer body with the inner cavity of the pump shell is arranged on the pump shell; the drainage pipe extends out from the pump shell and then is inserted into the silencer body; the drainage pipe is used for communicating the inner cavity of the pump shell with the air outlet end of the silencer body; and a drainage assembly which is used for discharging the water in the inner cavity of the pump shell to the air outlet end of the silencer body is arranged at the drainage pipe.

Description

A kind of silencing apparatus drainage mechanism and have the silencing apparatus of this mechanism
Technical field
The utility model relates to a kind of silencing apparatus, more specifically also relates to a kind of drainage mechanism that is used to discharge ponding in the silencing apparatus.
Background technique
The effect of silencing apparatus is to reduce engine exhaust noise on the automobile, and the noise of vehicle operating is reduced.Because the waste gas that motor is discharged is mainly CO, HC, NOx, CO 2After water vapour waste gas process ternary catalyzing unit purified treatment, produced more water vapour, part water vapour is discharged outside the car with waste gas, another part water vapour condenses in silencing apparatus inside and left behind, be formed with subacidity liquid with some compositions in the waste gas and lodge in the silencing apparatus, these residual liquid are known from experience phenomenons such as the corrosion that causes suppressor case, eating thrown, have quickened the damage of silencing apparatus, the performance of silencing apparatus is seriously descended, and then shortened the working life of silencing apparatus.
For silencing apparatus ponding problem, the method that adopts usually is the draining of punching on the silencing apparatus end cap at present, or utilizes the stream pressure difference by tail pipe or siphon arrangement ponding to be discharged outside the silencing apparatus.Though end cap punching draining has certain effect, and the silencing apparatus performance is had bigger influence; Though tail pipe and syphon tube discharge structure effect are obvious and very little to the silencing apparatus performance impact, but be difficult to be applied in the dissipative muffler of filling sucting sound material, therefore press for and design a kind of mechanism that the ponding in the ponding in the silencing apparatus, the particularly dissipative muffler can be discharged.
The model utility content
At above-mentioned silencing apparatus particularly the ponding in the dissipative muffler be difficult to the problem of discharging, one of the utility model purpose proposes a kind of drainage mechanism that is used to discharge ponding in the silencing apparatus.
A kind of silencing apparatus drainage mechanism of the present utility model, described drainage mechanism comprises first impeller that is arranged in the muffler body section outlet pipe, be arranged at muffler body bottom and be fixedly connected on the pump body structure on the described outlet pipe and be arranged at driving mechanism between described first impeller and the described pump body structure, described first impeller is fixedly connected on the described driving mechanism, power on described first impeller is passed to described pump body structure by described driving mechanism, described pump body structure comprises pump housing housing and waste pipe, described pump housing housing is provided with the through hole that is communicated with described muffler body intracavity bottom and described pump housing housing inner chamber, described waste pipe stretches out and inserts described muffler body from pump housing housing, described waste pipe is communicated with described pump housing housing inner chamber and muffler body air outlet end, and described waste pipe place also is provided with the drain assembly that is used for ponding in the pump housing housing inner chamber is drained into muffler body air outlet end.
Further, described pump housing housing inner chamber cross section is circular.
Further, described waste pipe is a vertical tube, and described vertical tube one port is positioned near the outlet pipe the end of described silencing apparatus air outlet, and the another port of described vertical tube is positioned at the top of described pump housing housing cavity.
Further, described through hole is evenly distributed on the described pump housing housing near near the position muffler body intracavity bottom.
Further, described pump body structure is fixedly connected on described outlet pipe outer surface by the welding of the 3rd support.
Further, described drain assembly comprises second impeller, and described second impeller is fixedly connected on the described driving mechanism.
Further, described driving mechanism comprises first transmission shaft, second transmission shaft and the 3rd transmission shaft, described first impeller is fixedly connected on described first transmission shaft, described first transmission shaft is fixedly connected in the described outlet pipe by first support, described second impeller is fixedly connected on described the 3rd transmission shaft, described the 3rd transmission shaft is fixed on the described pump housing housing by second support, one end of described second transmission shaft is rotatably installed on the described outlet pipe, and the other end is rotatably installed on described second support.
Further, described driving mechanism is a gear drive, and described first transmission shaft is connected by gear engagement with described second transmission shaft, and orthogonal setting, and described second transmission shaft is connected by gear engagement with described the 3rd transmission shaft, and orthogonal setting.
Further, described first impeller is arranged in the outlet pipe of muffler body section, described first impeller comprise inner circumference portion, outer circumference portion and be arranged at inner circumference portion and outer circumference portion between blade, one end of described blade is fixedlyed connected with inner circumference portion, and the other end of described blade is fixedly connected on the described outer circumference portion.
The beneficial effects of the utility model are by at a kind of silencing apparatus drainage mechanism of described design, drive described first wheel rotation by the air-flow in the outlet pipe, by described driving mechanism the rotational power of first impeller is delivered to pump body structure, effect by drain assembly in the pump body structure is discharged to silencing apparatus air outlet end with the ponding in the described silencing apparatus and gets in the outlet pipe, effect by air-flow in the outlet pipe is discharged ponding outside the silencing apparatus, discharges the particularly purpose of the interior ponding of dissipative muffler of silencing apparatus thereby reach.
Another purpose of the present utility model provides a kind of silencing apparatus, and this silencing apparatus comprises muffler body and be arranged at the drainage mechanism of described muffler body bottom that described drainage mechanism is a kind of drainage mechanism described in the utility model.
Silencing apparatus with drainage mechanism of the present utility model, rely on first impeller of described drainage mechanism that power is provided, and by described driving mechanism with described transmission of power to described pump body structure, the ponding in the described muffler body is discharged in effect by pump body structure, thereby the silencing apparatus corrosion that has prevented muffler body internal cause ponding problem and caused, eating thrown etc. have a strong impact on the phenomenon of the performance of silencing apparatus to be taken place, and has prolonged the working life of silencing apparatus.
Description of drawings
A kind of silencing apparatus that Fig. 1 provides for a kind of mode of execution of the utility model and the structural representation of drainage mechanism.
The oblique drawing of a kind of silencing apparatus drainage mechanism that Fig. 2 provides for a kind of mode of execution of the utility model.
The structural representation of the driving mechanism of a kind of silencing apparatus drainage mechanism that Fig. 3 provides for a kind of mode of execution of the utility model.
The structural representation of the impeller of a kind of silencing apparatus drainage mechanism that Fig. 4 provides for a kind of mode of execution of the utility model.
The pump housing sectional view of a kind of silencing apparatus drainage mechanism that Fig. 5 provides for a kind of mode of execution of the utility model.
Embodiment
Clearer for technical problem, technological scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, not in order to restriction the utility model.
As Fig. 1, Fig. 2, shown in Figure 5, a kind of silencing apparatus drainage mechanism of the present utility model, described drainage mechanism comprise first impeller 14 that is arranged in 3 sections outlet pipes of muffler body 5, are arranged at described muffler body 3 bottoms and are fixedly connected on the pump body structure on the described outlet pipe 5 and be arranged at driving mechanism 12 between described first impeller 14 and the described pump body structure.Described first impeller 14 is fixedly connected on the described driving mechanism 12, and the power on described first impeller 14 is passed to described pump body structure by described driving mechanism 12.Described pump body structure is fixedly connected on described outlet pipe 5 outer surfaces by 6 welding of the 3rd support, described pump body structure comprises pump housing housing 9 and waste pipe 8, described pump housing housing 9 is provided with the through hole 10 that is communicated with described muffler body 3 intracavity bottoms and described pump housing housing inner chamber 20, described pump housing housing 9 inner chambers 20 cross sections are circular, described through hole 10 is evenly distributed near position, close muffler body 3 inner chambers 20 bottoms on the described pump housing housing 9, and the ponding of described muffler body 3 bottoms enters into pump housing housing 9 inner chambers 20 by through hole 10.Described waste pipe 8 stretches out and inserts described muffler body 3 from pump housing housing 9, described waste pipe 8 is communicated with described pump housing housing inner chamber 20 and muffler body 3 air outlet ends 7, described waste pipe 8 is a vertical tube, described vertical tube one port is positioned near the outlet pipe 5 the described muffler body 3 air outlet ends 7, and the another port of described vertical tube is positioned at the top of described pump housing housing 9 inner chambers 20; Described waste pipe 8 places also are provided with the drain assembly that is used for ponding in the pump housing housing inner chamber 20 is drained into muffler body 3 air outlet ends 7, and described drain assembly comprises second impeller 16, and described second impeller 16 is fixedly connected on the described driving mechanism 12.
Consult Fig. 3 in the lump, described driving mechanism 12 comprises first transmission shaft 15, second transmission shaft 4 and the 3rd transmission shaft 11, described first impeller 14 is fixedly connected on described first transmission shaft 15, described first transmission shaft 15 is fixedly connected in the described outlet pipe 5 by first support 2, described second impeller 16 is fixedly connected on described the 3rd transmission shaft 11, described the 3rd transmission shaft 11 is fixed on the described pump housing housing 9 by second support 13, described second support 13 is fixed on the described pump housing housing 9 by the mode of welding, one end of described second transmission shaft 4 is rotatably installed on the described outlet pipe 5, and the other end is rotatably installed on described second support 13.Described driving mechanism 12 is a gear drive, described first transmission shaft 15 is connected by gear engagement with described second transmission shaft 4, the tooth of the gear on described first transmission shaft 15 and second transmission shaft 4 is helical teeth, described first transmission shaft 15 and the 4 orthogonal settings of described second transmission shaft, described second transmission shaft 4 is connected by gear engagement with described the 3rd transmission shaft 11, the tooth of the gear on described the 3rd transmission shaft 11 and second transmission shaft 4 is helical teeth, described second transmission shaft 4 and the 11 orthogonal settings of described the 3rd transmission shaft.
As shown in Figure 4, described first impeller 14 is arranged in the outlet pipe 5 of 3 sections of muffler bodies, described first impeller 14 comprises inner circumference portion 17, outer circumference portion 18 and is arranged at blade 19 between described inner circumference portion 17 and the described outer circumference portion 18, one end of described blade 19 is fixedlyed connected with described inner circumference portion 17, the other end of described blade 19 is fixedly connected on the described outer circumference portion 18, described be fixedly connected as the welding fixedly connected.
When engine running produces exhaust, the gas of discharging arrives in the outlet pipe 5 of 3 sections of muffler bodies through various pipelines, rotate by described first impeller 14 of the motivational drive that gas flow produced, by described driving mechanism 12 transmission of power that described first impeller 14 rotates is arrived described pump body structure, described pump body structure utilization is transmitted the power and the process through hole 10 that come by described driving mechanism 12 ponding is sucked described pump housing housing 9 inner chambers 20, and the effect of second impeller 16 by pump housing housing 9 inner chambers 20 is delivered to waste pipe with ponding, be delivered to by described waste pipe 8 in the outlet pipe 5 of silencing apparatus air outlet end 7, take ponding out of muffler body 3 by the air-flow in the outlet pipe 5.
As shown in Figure 1, a kind of silencing apparatus of this example, the drainage mechanism that this silencing apparatus comprises muffler body 3 and is arranged at these muffler body 3 bottoms, described drainage mechanism is a kind of drainage mechanism described in the utility model, rely on first impeller 14 of described drainage mechanism that power is provided, and by described driving mechanism 12 with described transmission of power to described pump body structure, the ponding in the described muffler body 3 is discharged in effect by pump body structure, thereby the silencing apparatus corrosion that has prevented muffler body 3 internal cause ponding problems and caused, the phenomenon that eating thrown etc. have a strong impact on the performance of silencing apparatus takes place, and has prolonged the working life of silencing apparatus.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improve, all should be included within the claim protection domain of the present utility model.

Claims (10)

1. silencing apparatus drainage mechanism, it is characterized in that, described drainage mechanism comprises first impeller (14) that is arranged in muffler body (3) the section outlet pipe (5), be arranged at muffler body (3) bottom and be fixedly connected on the pump body structure on the described outlet pipe (5) and be arranged at driving mechanism (12) between described first impeller (14) and the described pump body structure, described first impeller (14) is fixedly connected on the described driving mechanism (12), power on described first impeller (14) is passed to described pump body structure by described driving mechanism (12), described pump body structure comprises pump housing housing (9) and waste pipe (8), described pump housing housing (9) is provided with the through hole (10) that is communicated with described muffler body (3) intracavity bottom and described pump housing housing inner chamber (20), described waste pipe (8) stretches out and inserts described muffler body (3) from pump housing housing (9), described waste pipe (8) is communicated with described pump housing housing inner chamber (20) and muffler body (3) air outlet end (7), and described waste pipe (8) locates also to be provided with the drain assembly that is used for the interior ponding of pump housing housing inner chamber (20) is drained into muffler body (3) air outlet end (7).
2. a kind of silencing apparatus drainage mechanism according to claim 1 is characterized in that, described pump housing housing (9) inner chamber (20) cross section is circular.
3. a kind of silencing apparatus drainage mechanism according to claim 1, it is characterized in that, described waste pipe (8) is a vertical tube, described vertical tube one port is positioned near the outlet pipe (5) described muffler body (3) the air outlet end (7), and the another port of described vertical tube is positioned at the top of described pump housing housing (9) inner chamber (20).
4. a kind of silencing apparatus drainage mechanism according to claim 1 is characterized in that, described through hole (10) is evenly distributed on described pump housing housing (9) and goes up near near position muffler body (3) intracavity bottom.
5. a kind of silencing apparatus drainage mechanism according to claim 1 is characterized in that, described pump body structure is fixedly connected on described outlet pipe (5) outer surface by the 3rd support (6) welding.
6. a kind of silencing apparatus drainage mechanism according to claim 1 is characterized in that described drain assembly comprises second impeller (16), and described second impeller (16) is fixedly connected on the described driving mechanism (12).
7. according to claim 1 or 3 described a kind of silencing apparatus drainage mechanisms, it is characterized in that, described driving mechanism (12) comprises first transmission shaft (15), second transmission shaft (4) and the 3rd transmission shaft (11), described first impeller (14) is fixedly connected on described first transmission shaft (15), described first transmission shaft (15) is fixedly connected in the described outlet pipe (5) by first support (2), described second impeller (16) is fixedly connected on described the 3rd transmission shaft (11), described the 3rd transmission shaft (11) is fixed on the described pump housing housing (9) by second support (13), one end of described second transmission shaft (4) is rotatably installed on the described outlet pipe (5), and the other end is rotatably installed on described second support (13).
8. a kind of silencing apparatus drainage mechanism according to claim 7, it is characterized in that, described driving mechanism (12) is a gear drive, described first transmission shaft (15) is connected by gear engagement with described second transmission shaft (4), and orthogonal setting, described second transmission shaft (4) is connected by gear engagement with described the 3rd transmission shaft (11), and orthogonal setting.
9. a kind of silencing apparatus drainage mechanism according to claim 1, it is characterized in that, described first impeller (14) is arranged in the outlet pipe (5) of muffler body (3) section, described first impeller (14) comprise inner circumference portion (17), outer circumference portion (18) and be arranged at inner circumference portion (17) and outer circumference portion (18) between blade (19), one end of described blade (19) is fixedlyed connected with inner circumference portion (17), and the other end of described blade (19) is fixedly connected on the described outer circumference portion (18).
10. the drainage mechanism that silencing apparatus, described silencing apparatus comprise muffler body (3) and be arranged at described muffler body (3) bottom is characterized in that an arbitrary described drainage mechanism in described drainage mechanism such as the claim 1 ~ 9.
CN2011200889313U 2011-03-30 2011-03-30 Silencer drainage mechanism and silencer having same Expired - Lifetime CN202039930U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200889313U CN202039930U (en) 2011-03-30 2011-03-30 Silencer drainage mechanism and silencer having same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200889313U CN202039930U (en) 2011-03-30 2011-03-30 Silencer drainage mechanism and silencer having same

Publications (1)

Publication Number Publication Date
CN202039930U true CN202039930U (en) 2011-11-16

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112682149A (en) * 2020-12-24 2021-04-20 南京工业职业技术大学 Prevent paddle and use blast pipe
CN113775445A (en) * 2021-08-16 2021-12-10 浙江零跑科技股份有限公司 Take bleed pipe of waterproof construction
CN115406045A (en) * 2022-08-03 2022-11-29 珠海格力电器股份有限公司 Drainage device, air conditioner and drainage method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112682149A (en) * 2020-12-24 2021-04-20 南京工业职业技术大学 Prevent paddle and use blast pipe
CN113775445A (en) * 2021-08-16 2021-12-10 浙江零跑科技股份有限公司 Take bleed pipe of waterproof construction
CN115406045A (en) * 2022-08-03 2022-11-29 珠海格力电器股份有限公司 Drainage device, air conditioner and drainage method
CN115406045B (en) * 2022-08-03 2024-05-24 珠海格力电器股份有限公司 Drainage device, air conditioner and drainage method

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Granted publication date: 20111116