CN207278350U - A kind of automobile exhaust pipe backward flowing preventing device - Google Patents

A kind of automobile exhaust pipe backward flowing preventing device Download PDF

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Publication number
CN207278350U
CN207278350U CN201721226823.1U CN201721226823U CN207278350U CN 207278350 U CN207278350 U CN 207278350U CN 201721226823 U CN201721226823 U CN 201721226823U CN 207278350 U CN207278350 U CN 207278350U
Authority
CN
China
Prior art keywords
row inflator
row
inflator
exhaust pipe
preventing device
Prior art date
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.)
Expired - Fee Related
Application number
CN201721226823.1U
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Chinese (zh)
Inventor
秦小国
徐军
谭明明
王凡
谭明宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Auto Parts Co Ltd
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Wuhan Auto Parts Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan Auto Parts Co Ltd filed Critical Wuhan Auto Parts Co Ltd
Priority to CN201721226823.1U priority Critical patent/CN207278350U/en
Application granted granted Critical
Publication of CN207278350U publication Critical patent/CN207278350U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of automobile exhaust pipe backward flowing preventing device, including being vented tube body, the exhaust tube body is equipped with air inlet, catalyst converter, muffler, shunting bend pipe, first row inflator successively, and second row inflator is equipped between the first row inflator and shunting bend pipe;The second row inflator includes water shutoff baffle, exhaust outlet, and the water shutoff barrier slides are connected on second row cylinder inner wall;The first row cylinder inner wall bottom is equipped with humidity sensor, and the humidity sensor is between first row inflator and second row inflator;Gasket seal is equipped with below the water shutoff baffle.The utility model can effectively play the role of preventing return water, and without prejudice to waste gas sent off from automobiles, it is simple in structure, it is easy for installation.

Description

A kind of automobile exhaust pipe backward flowing preventing device
Technical field
It the utility model is related to automobile exhaust pipe technical field, more particularly to a kind of automobile exhaust pipe backward flowing preventing device.
Background technology
Automobile exhaust pipe is in order to discharge the exhaust gas after engine combustion, and in use, due to common exhaust Pipe is arranged on bottom of car, is running into rainy day or is easily causing water to pour in down a chimney by way of the section of ponding, the relatively low exhaust pipe in position Air inlet-outlet pipe, be easy to cause engine damage.
Chinese CN20151086975.5 patent applications provide a kind of reverse-filling device for automobile exhaust pipe, including There is the tube body that can be arranged and be fixed on automobile exhaust pipe outlet side, described tube body one end is equipped with connecting portion, automobile exhaust tube end It is plugged in connecting portion, multiple sealing rings is arranged at intervals with the connecting portion, prevents in the inboard wall of tube body equipped with downward Water catch, being equipped between the waterproof catch and tube body outlet side can move so as to close when water enters tube body to waterproof catch The activity waterproof catch mechanism of stopped pipe body.The automobile exhaust pipe reverse-filling device is simple in structure, easy for installation, can effectively prevent automobile Pour in down a chimney, but the patent application prevents from pouring in down a chimney by the way of exhaust pipe is closed, automobile exhaust gas can not when backward flowing preventing device is closed Exclude, automobile flameout can be caused, safe location can not be driven to.
Chinese CN201610774491.4 patent applications provide a kind of reverse-filling automobile exhaust pipe device, including air inlet Pipe, the tube chamber connected with the air inlet pipe and the air outlet pipe connected with the tube chamber;The wall of the lumen is equipped with operated pneumatic valve; The air outlet pipe is internally provided with the splash guard for being oppositely arranged and being rotatablely connected with involved air outlet pipe;The splash guard is close to described The side of tube chamber is equipped with block;Running into rainy weather or by way of the section of ponding, can realized by the closing of water bar anti- The function of pouring in down a chimney, but the design of the patent application backward flowing preventing device can reduce the bore of exhaust ports, cause automobile to exist Exhaust gas discharge is not smooth during normally travel, meanwhile, present patent application reverse-filling by the way of exhaust pipe is closed, can cause automobile to put out Fire, can not drive to safe location.
The prior art sets reverse-filling device in automobile exhaust pipe portion, runs into rainy weather or low-lying by way of ponding in automobile During section, reverse-filling function is realized by starting reverse-filling device closing automobile exhaust pipe, but automobile is in the process of moving, row The tracheae shut-in time is long, can cause automobile flameout, can not travel to safe section.Therefore, it is necessary to provide a kind of automobile row Tracheae backward flowing preventing device, to solve the above problems.
Utility model content
The purpose of the utility model is to overcome the shortcomings that the prior art and insufficient, there is provided a kind of automobile exhaust pipe reverse-filling Device, when automobile runs into rainy weather or section low-lying by way of ponding, not only plays the role of preventing return water, but also without prejudice to vapour Car discharges exhaust gas and normal driving.
To achieve the above object, the utility model is realized according to following technical scheme:
The utility model provides a kind of automobile exhaust pipe backward flowing preventing device, including exhaust tube body, is vented on tube body Successively be equipped with air inlet, catalyst converter, muffler, shunting bend pipe, first row inflator, it is characterised in that the first row inflator with Second row inflator is equipped between shunting bend pipe;Second row inflator includes water shutoff baffle, exhaust outlet;The water shutoff barrier slides connection On second row cylinder inner wall, positioned at the junction of first row inflator and second row inflator;The first row cylinder inner wall bottom Equipped with humidity sensor, the humidity sensor is between first row inflator and second row inflator.
Preferably, the second exhaust bobbin body is arc-shaped that its end face is downward scarf.
Preferably, the second row inflator is obliquely installed, it is located at close to one end of automobile tail, and end face is downward Scarf.
The set-up mode of the second row inflator of the utility model described above, can effectively prevent in rainy weather, or Pour in down a chimney by way of the low-lying section rainwater of ponding and ponding.
Be equipped with gasket seal below the water shutoff baffle, the gasket seal be located at water shutoff baffle central axes extended line and First row inflator bottom intersection, or be arranged on the edge of water shutoff baffle, when exhaust tube pours in down a chimney, water shutoff baffle is downward Mobile, gasket seal can form good seal with water shutoff baffle.
The water shutoff baffle lower edge higher than at the top of first exhaust bobbin body inner wall it is upper along the horizontal plane, and water shutoff baffle with First row inflator internal pipeline matches, and at least blocks whole first row inflator internal pipeline, and the water shutoff baffle uses quality Fine and close intensity is big, and the good material of shock resistance is made, and water shutoff baffle is acted on gasket seal, can effectively play preventing return water Effect.
The inboard wall of tube body application of inboard wall of tube body/water shutoff baffle/second row inflator of any of the above-described first row inflator There is waterproof and anticorrosion coating, there are energy conservation and environmental protection, durable excellent properties.
The humidity sensor is equipped with alarm, and alarm signal can be sent when water exceeds predetermined value alarm device, and Backward flowing preventing device is automatically closed, plays the role of preventing return water.
Compared with prior art, the utility model beneficial effect is:
1. the utility model provides a kind of automobile exhaust pipe backward flowing preventing device, pass through water shutoff baffle and second row inflator Design, when automobile runs into rainy weather or section low-lying by way of ponding, can play the role of preventing return water and Waste gas sent off from automobiles and normal driving;
2. the utility model provides a kind of automobile exhaust pipe backward flowing preventing device, when humidity sensor detects that inflow surpasses Alarm signal can be sent when going out predetermined value, and backward flowing preventing device is automatically closed, is quick on the draw, the degree of automation is high;
3. the utility model provides a kind of automobile exhaust pipe backward flowing preventing device, water shutoff baffle uses quality densification intensity Greatly, the good material of shock resistance is made, and forms good seal with gasket seal, plays the role of preventing return water;
4. the utility model provides a kind of automobile exhaust pipe backward flowing preventing device, first row inflator cylinder inboard wall/water shutoff gear Waterproof and anticorrosion coating energy conservation and environmental protection is coated with plate/second row inflator cylinder inboard wall, it is durable;
5. the utility model provides a kind of automobile exhaust pipe backward flowing preventing device, processing method is simple, difficult without any technique Point, it is easy to operate.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of automobile exhaust pipe device structure diagram;
Fig. 2 be the utility model proposes a kind of exhaust pipe backward flowing preventing device structure diagram.
In figure:1st, air inlet;2nd, catalyst converter;3rd, muffler;9th, bend pipe is shunted;6th, first row inflator;5th, second row inflator; 7th, humidity sensor;4th, water shutoff baffle;8 gasket seals.
Embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to embodiments, to this Utility model is further elaborated.
Embodiment 1
The utility model provides a kind of automobile exhaust pipe backward flowing preventing device, including air inlet 1, catalyst converter 2, muffler 3, point Flow bend pipe 9, first row inflator 6;Second row inflator 5, second row inflator are equipped between the first row inflator 6 and shunting bend pipe 9 Including water shutoff baffle 4, exhaust outlet, 6 inner wall bottom of first row inflator is equipped with humidity sensor 7.
5 tube body of second row inflator is arc-shaped, and exhaust outlet end face is downward scarf.
The 6 inner wall bottom of first row inflator is additionally provided with gasket seal 8, positioned at 4 central axes of water shutoff baffle extended line with 6 bottom intersection of first row inflator.
Under normal circumstances, vehicle exhaust enters from air inlet 1, through catalyst converter 2, muffler 3, shunting bend pipe 9, finally from the One exhaust tube 6 is discharged.It is wet when running into rainy weather or having ponding inflow at the low-lying section of ponding, first row inflator 6 Degree sensor 7 sends alarm signal in the case where water exceedes predetermined value, and water shutoff baffle 4 is moved down is connected shape with gasket seal 8 Into good seal, block whole 6 internal pipeline of first row inflator, effectively prevent ponding from pouring in down a chimney, at this time automobile exhaust gas from Second row inflator 5 is discharged.
Embodiment 2
The utility model provides a kind of automobile exhaust pipe backward flowing preventing device, and compared with Example 1, difference is described Second row inflator 5 is obliquely installed, and exhaust outlet is located at close to one end of automobile tail, and exhaust outlet end face is diagonally downward.
Embodiment 3
The utility model provides a kind of automobile exhaust pipe backward flowing preventing device, and compared with Example 1, difference is described Gasket seal 8 is arranged on the edge of water shutoff baffle 4.
Embodiment 4
The utility model provides a kind of automobile exhaust pipe backward flowing preventing device, and compared with Example 1, difference is second Exhaust tube 5 is obliquely installed, and exhaust outlet is located at close to one end of automobile tail, and exhaust outlet end face is diagonally downward;The gasket seal 8 It is arranged on the edge of water shutoff baffle 4.
As seen from the above embodiment, the utility model provides a kind of automobile exhaust pipe backward flowing preventing device, is running into rainy day When gas or section low-lying by way of ponding, not only play the role of preventing return water, but also without prejudice to waste gas sent off from automobiles and normal driving; Water shutoff baffle 4 forms good seal with gasket seal 8, plays the role of preventing return water;6 cylinder inboard wall of first row inflator/ Waterproof and anticorrosion coating energy conservation and environmental protection is coated with 4/ second row inflator of water shutoff baffle, 5 cylinder inboard wall, it is durable;The utility model Processing method is simple, easy to operate without any critical technological point.
The above, is only the optimal specific embodiment of the utility model, but the scope of protection of the utility model is not This is confined to, in the range of the technology design of the utility model, the technical solution of the utility model can be carried out a variety of simple Modification, these simple variants belong to the scope of protection of the utility model.

Claims (7)

1. a kind of automobile exhaust pipe backward flowing preventing device, including exhaust tube body, described be vented on tube body is equipped with air inlet successively (1), catalyst converter (2), muffler (3), shunting bend pipe (9), first row inflator (6), it is characterised in that the first row inflator (6) it is equipped with second row inflator (5) between shunting bend pipe (9);The second row inflator (5) includes water shutoff baffle (4), exhaust Mouthful;The water shutoff baffle (4) is slidably connected on second row inflator (5) inner wall, positioned at first row inflator (6) and second row inflator (5) junction;First row inflator (6) the inner wall bottom is equipped with humidity sensor (7), and the humidity sensor (7) is located at Between first row inflator (6) and second row inflator (5).
A kind of 2. automobile exhaust pipe backward flowing preventing device as claimed in claim 1, it is characterised in that the second row inflator (5) Tube body is arc-shaped, its exhaust outlet end face is downward scarf.
A kind of 3. automobile exhaust pipe backward flowing preventing device as claimed in claim 1, it is characterised in that the second row inflator (5) It is obliquely installed, its exhaust outlet is located at close to one end of automobile tail, and end face is downward scarf.
4. a kind of automobile exhaust pipe backward flowing preventing device as claimed in claim 1, it is characterised in that under the water shutoff baffle (4) Side is equipped with gasket seal (8).
5. a kind of automobile exhaust pipe backward flowing preventing device as claimed in claim 1, it is characterised in that under the water shutoff baffle (4) Edge higher than at the top of first row inflator (6) inboard wall of tube body it is upper along the horizontal plane, and water shutoff baffle (4) with first row inflator (6) Portion's pipeline matches.
6. such as a kind of automobile exhaust pipe backward flowing preventing device of claim 1-3 any one of them, it is characterised in that described the The inboard wall of tube body of the inboard wall of tube body of one exhaust tube (6)/water shutoff baffle (4)/second row inflator (5) is coated with waterproof and anticorrosion coating.
A kind of 7. automobile exhaust pipe backward flowing preventing device as claimed in claim 1, it is characterised in that the humidity sensor (7) It is equipped with alarm.
CN201721226823.1U 2017-09-19 2017-09-19 A kind of automobile exhaust pipe backward flowing preventing device Expired - Fee Related CN207278350U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721226823.1U CN207278350U (en) 2017-09-19 2017-09-19 A kind of automobile exhaust pipe backward flowing preventing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721226823.1U CN207278350U (en) 2017-09-19 2017-09-19 A kind of automobile exhaust pipe backward flowing preventing device

Publications (1)

Publication Number Publication Date
CN207278350U true CN207278350U (en) 2018-04-27

Family

ID=61981844

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721226823.1U Expired - Fee Related CN207278350U (en) 2017-09-19 2017-09-19 A kind of automobile exhaust pipe backward flowing preventing device

Country Status (1)

Country Link
CN (1) CN207278350U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109798174A (en) * 2019-03-04 2019-05-24 南京航空航天大学 A kind of band is paddled the exhaust system and method for safeguard protection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109798174A (en) * 2019-03-04 2019-05-24 南京航空航天大学 A kind of band is paddled the exhaust system and method for safeguard protection
CN109798174B (en) * 2019-03-04 2023-07-07 南京航空航天大学 Automobile exhaust device with wading safety protection and method

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180427

CF01 Termination of patent right due to non-payment of annual fee