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Automatic water-preventing device for automobile exhaust pipe

An automatic waterproof and automobile exhaust technology, which is applied in the direction of exhaust devices, noise reduction devices, engine components, etc., can solve the problem that the exhaust pipe is not ideal for preventing water ingress, achieve good water release effect, no abnormal noise, and ensure exhaust effect of effect

Active Publication Date: 2019-02-22
HANGZHOU POLYTECHNIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing exhaust pipe is still not ideal in terms of preventing water ingress.

Method used

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  • Automatic water-preventing device for automobile exhaust pipe
  • Automatic water-preventing device for automobile exhaust pipe

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] The present invention will be further described below in conjunction with accompanying drawing.

[0015] Example: such as figure 1 , 2 As shown, an automatic waterproof device for an automobile exhaust pipe includes a connecting pipe 1, a silencer plug 13 arranged in the connecting pipe 1, a tailpipe with a plurality of exhaust holes at the tail end arranged in the connecting pipe 1 The end exhaust plate 2, the sliding rod 3 inserted on the tail end exhaust plate 2, the sliding piston 4 fixedly connected with the sliding rod 3, and the front end exhaust plate 4 arranged in the connecting pipe 1 , the front end exhaust hole 5 arranged on the front end exhaust plate 4, the sealing piston 6 arranged on the sliding rod 3, the connecting pipe 1 is provided with a piston ring cavity for placing the sealing piston 6 7. The piston ring cavity 7 is provided with a lateral spring 9 acting on the sealing piston 6 so as to maintain a gap 8 between the sealing piston 6 and the fro...

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Abstract

The invention provides an automatic water-preventing device for an automobile exhaust pipe. The device comprises a connecting pipe, a silencing plug, a tail end exhaust plate, a sliding rod, a slidingpiston, a front end exhaust plate, a front end exhaust hole, and a sealing piston; the silencing plug is arranged in the connecting pipe, the tail end exhaust plate is arranged in the connecting pipeand provided with a plurality of tail end exhaust holes, the sliding rod is inserted into the tail end exhaust plate, the sliding piston is fixedly connected with the sliding rod, the front end exhaust plate is arranged in the connecting pipe, the front end exhaust hole is formed in the front end exhaust plate, and the sealing piston is arranged on the sliding rod; a piston ring cavity used for containing the sealing piston is arranged in the connecting pipe, the piston ring cavity is internally provided with a lateral spring which acts on the sealing piston so as to enable the sealing pistonto be in clearance with the front end exhaust hole; and a sealing ring cavity is formed in the connecting pipe, and a rapid sealing mechanism is arranged in the piston ring cavity. According to the device, the water-preventing effect is good, the exhaust effect is ensured, and the abnormal sounds are avoided.

Description

technical field [0001] The invention relates to the technical field of automobiles, in particular to an automatic waterproof device for automobile exhaust pipes. Background technique [0002] The exhaust pipe of the automobile is the exhaust gas discharge device of the automobile. The exhaust gas generated after the combustion of the automobile engine is discharged from the exhaust pipe. As we all know, the exhaust pipe of the automobile cannot enter water, and such a situation will not happen under normal circumstances. , but in the summer heavy rain weather, there is a lot of water on the road, once the judgment is inaccurate, such a thing will happen. For this reason, a device to prevent rainwater from entering the exhaust pipe of the car is needed. The patent application number is CN201720350551.X Chinese invention patent A kind of such device is disclosed, comprising a first exhaust pipe, the right side of the first exhaust pipe communicates with a sound-absorbing box, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N13/08
CPCF01N13/08F01N13/085
Inventor 冯雪丽夏国柱臧竞之闫玉林
Owner HANGZHOU POLYTECHNIC
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