A water accumulation prevention pipe for automobile exhaust pipe
By using fixed rings made of perfluoroether rubber in the exhaust pipes and double protection measures, the water backflow problem of exhaust pipes during rain or water accumulation is solved, and good waterproofing, shock absorption and cleaning effects are achieved. .
Patent Information
- Application Number
- CN201811302256.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2018-11-02
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2038-11-02
Smart Images

Figure CN109281744B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of automobile parts, and in particular to a water accumulation prevention pipe for an automobile exhaust pipe. Background Art
[0002] Cars have become the most common means of transportation for people, and car exhaust pipes are an important part of the entire vehicle. Car exhaust pipes are used to remove exhaust gas after engine combustion. During use, since the general car exhaust pipe is arranged at the bottom of the car, in rainy weather or on a flooded road, the exhaust pipe at a lower position is very likely to cause water to flow back into the exhaust pipe, which may easily cause engine damage. Therefore, a water-proof pipe for car exhaust pipes is needed. Summary of the invention
[0003] The purpose of the present invention is to overcome the shortcomings of the prior art and to provide an anti-water accumulation pipe for an automobile exhaust pipe with good cleaning effect, shock absorption, noise absorption and waterproof effect.
[0004] The object of the present invention is achieved as follows: an anti-water accumulation pipe for an automobile exhaust pipe, comprising a connector A, a fixing ring is arranged inside the connector A, a front exhaust pipe is connected to the right side of the connector A, a muffler is arranged inside the front exhaust pipe, a connector B is arranged at the tail of the front exhaust pipe, a rear exhaust pipe is arranged on the right side of the front exhaust pipe, a connector C is arranged on the left side of the rear exhaust pipe, the connector B and the connector C are fixedly connected by a bolt group, and a three-way catalytic converter is arranged in the middle of the rear exhaust pipe. a particle collector, an anti-water accumulation pipe is arranged on the right side of the particle collector, an upper baffle is arranged above the inner wall of the anti-water accumulation pipe, a slide groove is arranged below the inner wall of the anti-water accumulation pipe, a slider is arranged in the slide groove, a lower baffle is fixedly connected above the slider, an isolation plate is arranged on the right side of the slide groove, the isolation plate and the anti-water accumulation pipe are connected by a reset spring, a drain pipe is arranged below the anti-water accumulation pipe, a drain port is arranged on the left side of the drain pipe, and an air outlet is arranged on the right side of the anti-water accumulation pipe.
[0005] The fixing ring is made of perfluoroether rubber.
[0006] A sealing ring is provided between the connecting member B and the connecting member C.
[0007] The inner walls of the front exhaust pipe, the rear exhaust pipe and the anti-water accumulation pipe are sequentially provided with a heat insulation layer and a sound-absorbing coating from the inside to the outside.
[0008] The upper baffle is arranged above the slide slot.
[0009] The three-way catalytic converter, particulate filter and muffler can be selected into suitable models according to specific circumstances.
[0010] The beneficial effects of the present invention are as follows: a fixing ring is arranged between the engine and the connecting piece, the fixing ring is made of perfluoroether rubber, has good chemical properties and high temperature resistance, and can enhance its sealing performance while not reacting chemically with the connecting piece to generate new exhaust gas pollution; a heat insulation layer and a noise-absorbing coating are arranged on the inner walls of the front exhaust pipe, the rear exhaust pipe and the anti-water accumulation pipe from the inside to the outside, the heat insulation layer can effectively prevent the loss of heat, and apply the heat energy generated by the engine to the three-way catalytic converter to improve its catalytic efficiency; under the action of high temperature, the particulate matter deposited in the particulate collector will be oxidized and burned, thereby effectively reducing the particulate matter. The discharge of objects; the silencing coating has good silencing and shock absorption effects, and also has the functions of heat insulation, sound absorption, rust prevention, corrosion prevention, and extending the service life of the metal; when water flows back, the water will push the lower baffle to move to the left, so that the upper baffle and the lower baffle contact each other, thereby avoiding water backflow; at the same time, under the pressure of water, the isolation plate will open downward, so that water can flow out of the drain pipe; double protection measures strengthen the protection of the engine; when there is no water, the isolation plate returns to its original position under the action of the reset spring; the lower baffle returns to its original position under the push of the exhaust gas; in a word, the present invention has the advantages of good cleaning effect, shock absorption and noise absorption, and good waterproof effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 The present invention is a front view of a water accumulation prevention pipe for an automobile exhaust pipe.
[0012] Figure 2 yes Figure 1 The main view of A in the figure.
[0013] Among them: 1. Connector A 2. Fixing ring 3. Front exhaust pipe 4. Muffler 5. Connector B 6. Bolt group 7. Connector C 8. Rear exhaust pipe 9. Three-way catalytic converter 10. Particulate collector 11. Lower baffle 12. Slide 13. Slider 14. Isolation plate 15. Air outlet 16. Drain pipe 17. Drain port 18. Upper baffle 19. Anti-water pipe 20. Return spring. DETAILED DESCRIPTION
[0014] The present invention will be further described below in conjunction with the accompanying drawings.
[0015] Example 1
[0016] like Figure 1-2As shown, an anti-water accumulation pipe for an automobile exhaust pipe comprises a connector A1, a fixing ring 2 is arranged inside the connector A1, a front exhaust pipe 3 is connected to the right side of the connector A1, a muffler 4 is arranged inside the front exhaust pipe 3, a connector B5 is arranged at the tail of the front exhaust pipe 3, a rear exhaust pipe 8 is arranged on the right side of the front exhaust pipe 3, a connector C7 is arranged on the left side of the rear exhaust pipe 8, the connector B5 and the connector C7 are fixedly connected by a bolt group 6, a three-way catalytic converter 9 and a particulate collector 10 are arranged in the middle of the rear exhaust pipe 8, and the particulate collector A water-prevention pipe 19 is arranged on the right side of 10, an upper baffle plate 18 is arranged above the inner wall of the water-prevention pipe 19, a slide groove 12 is arranged below the inner wall of the water-prevention pipe 19, a slider 13 is arranged in the slide groove 12, a lower baffle plate 11 is fixedly connected above the slider 13, an isolation plate 14 is arranged on the right side of the slide groove 12, the isolation plate 14 and the water-prevention pipe 19 are connected by a reset spring 20, a drain pipe 16 is arranged below the water-prevention pipe 19, a drain port 17 is arranged on the left side of the drain pipe 16, and an air outlet 15 is arranged on the right side of the water-prevention pipe 16.
[0017] The beneficial effects of the present invention are as follows: a fixing ring is arranged between the engine and the connecting part, which enhances the sealing performance thereof while preventing chemical reaction therewith to generate new exhaust gas pollution; when water flows back, the water will push the lower baffle to move to the left, so that the upper baffle and the lower baffle contact each other, thereby avoiding water backflow; at the same time, under the pressure of water, the isolation plate opens downward, so that water flows out of the drain pipe; the double protection measures strengthen the protection of the engine; when there is no water, the isolation plate returns to its original position under the action of the reset spring; the lower baffle returns to its original position under the push of the exhaust gas; in short, the present invention has the advantages of good cleaning effect, shock absorption and noise absorption, and good waterproof effect.
[0018] Example 2
[0019] like Figure 1-2As shown, an anti-water accumulation pipe for an automobile exhaust pipe comprises a connecting member A1, wherein a fixing ring 2 is arranged inside the connecting member A1, a front exhaust pipe 3 is connected to the right side of the connecting member A1, a muffler 4 is arranged inside the front exhaust pipe 3, a connecting member B5 is arranged at the tail of the front exhaust pipe 3, a rear exhaust pipe 8 is arranged to the right side of the front exhaust pipe 3, a connecting member C7 is arranged on the left side of the rear exhaust pipe 8, the connecting member B5 and the connecting member C7 are fixedly connected by a bolt group 6, a three-way catalytic converter 9 and a particulate collector 10 are arranged in the middle part of the rear exhaust pipe 8, an anti-water accumulation pipe 19 is arranged on the right side of the particulate collector 10, an upper baffle 18 is arranged above the inner wall of the anti-water accumulation pipe 19, a slide groove 12 is arranged below the inner wall of the anti-water accumulation pipe 19, and a A slider 13 is provided, a lower baffle 11 is fixedly connected to the upper part of the slider 13, an isolation plate 14 is provided on the right side of the slide 12, the isolation plate 14 and the anti-water accumulation pipe 19 are connected by a reset spring 20, a drain pipe 16 is provided below the anti-water accumulation pipe 19, a drain port 17 is provided on the left side of the drain pipe 16, and an air outlet 15 is provided on the right side of the anti-water accumulation pipe 16; the fixing ring 2 is made of perfluoroether rubber; a sealing ring is provided between the connecting piece B5 and the connecting piece C7; the inner walls of the front exhaust pipe 3, the rear exhaust pipe 8 and the anti-water accumulation pipe 19 are provided with heat insulation layers and sound-absorbing coatings in sequence from the inside to the outside; the upper baffle 18 is provided above the slide 12; the three-way catalytic converter 9, the particulate collector 10 and the muffler 4 can select appropriate models according to the specific situation.
[0020] The beneficial effects of the present invention are as follows: a fixing ring is arranged between the engine and the connecting piece, the fixing ring is made of perfluoroether rubber, has good chemical properties and high temperature resistance, and can enhance its sealing performance while not reacting chemically with the connecting piece to generate new exhaust gas pollution; a heat insulation layer and a noise-absorbing coating are arranged on the inner walls of the front exhaust pipe, the rear exhaust pipe and the anti-water accumulation pipe from the inside to the outside, the heat insulation layer can effectively prevent the loss of heat, and apply the heat energy generated by the engine to the three-way catalytic converter to improve its catalytic efficiency; under the action of high temperature, the particulate matter deposited in the particulate collector will be oxidized and burned, thereby effectively reducing the particulate matter. The discharge of objects; the silencing coating has good silencing and shock absorption effects, and also has the functions of heat insulation, sound absorption, rust prevention, corrosion prevention, and extending the service life of the metal; when water flows back, the water will push the lower baffle to move to the left, so that the upper baffle and the lower baffle contact each other, thereby avoiding water backflow; at the same time, under the pressure of water, the isolation plate will open downward, so that water can flow out of the drain pipe; double protection measures strengthen the protection of the engine; when there is no water, the isolation plate returns to its original position under the action of the reset spring; the lower baffle returns to its original position under the push of the exhaust gas; in a word, the present invention has the advantages of good cleaning effect, shock absorption and noise absorption, and good waterproof effect.
Claims
1. A water accumulation prevention pipe for an automobile exhaust pipe, comprising a connector A, characterized in that: A fixing ring is arranged inside the connecting member A, a front exhaust pipe is connected to the right side of the connecting member A, a muffler is arranged inside the front exhaust pipe, a connecting member B is arranged at the tail of the front exhaust pipe, a rear exhaust pipe is arranged to the right side of the front exhaust pipe, a connecting member C is arranged on the left side of the rear exhaust pipe, the connecting member B and the connecting member C are fixedly connected by a bolt group, a three-way catalytic converter and a particulate collector are arranged in the middle of the rear exhaust pipe, a water-proof pipe is arranged on the right side of the particulate collector, an upper baffle is arranged above the inner wall of the water-proof pipe, and the water-proof pipe is provided with a plurality of upper baffles. A slide groove is arranged below the inner wall of the tube, a slider is arranged in the slide groove, a lower baffle is fixedly connected above the slider, an isolation plate is arranged on the right side of the slide groove, the isolation plate and the anti-water accumulation pipe are connected by a reset spring, a drain pipe is arranged below the anti-water accumulation pipe, a drain port is arranged on the left side of the drain pipe, and an air outlet is arranged on the right side of the anti-water accumulation pipe; the fixing ring is made of perfluoroether rubber; the inner walls of the front exhaust pipe, the rear exhaust pipe and the anti-water accumulation pipe are sequentially provided with heat insulation layers and sound-absorbing coatings from the inside to the outside; the upper baffle is arranged above the slide groove.
2. The anti-water accumulation pipe for automobile exhaust pipe according to claim 1, characterized in that: A sealing ring is provided between the connecting member B and the connecting member C.
Citation Information
Patent Citations
Automobile exhaust pipe
CN105422240A
Low-noise vehicle exhaust pipe device
CN105484843A
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CN106762073A
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CN209040942U