Water accumulation preventing tube for automobile exhaust tube
A technology for automobile exhaust and drainage pipes, which is applied in the direction of exhaust devices, gas passages, and mufflers, etc. It can solve problems such as exhaust failure, easy water accumulation in exhaust pipes, and water corrosion, so as to prevent water accumulation and corrosion resistance Good performance, the effect of avoiding exhaust failure
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Embodiment 1
[0027] see figure 1 and figure 2 , the present invention provides an automobile exhaust pipe, comprising: an exhaust main pipe 1, a first exhaust branch pipe 2, a second exhaust branch pipe 3, a third exhaust branch pipe 4, a first diverter baffle 6, a second diverter baffle Plate 7, and anti-water accumulation pipe 8;
[0028] The first exhaust branch pipe 2, the second exhaust branch pipe 3, and the third exhaust branch pipe 4 are all in communication with the exhaust main pipe 1, and the first exhaust branch pipe 2 is coaxially connected with the exhaust main pipe 1, so The second exhaust branch pipe 3 and the third exhaust branch pipe 4 are arranged in a staggered axial direction along the exhaust main pipe 1, and the first diverter baffle 6 is arranged between the second exhaust branch pipe 3 and the exhaust main pipe. 1, the second diverter baffle 7 is set at the second diverter baffle 6 at the junction of the third exhaust branch pipe 4 and the exhaust main pipe 1, t...
Embodiment 2
[0034] A method for manufacturing an anti-water accumulation pipe of an automobile exhaust pipe, the steps are as follows:
[0035] ①, structure and molding
[0036] The anti-flooding pipe includes a drain pipe, an air outlet at the lower corner of one end of the drain pipe, an air inlet at the upper corner of the other end of the drain pipe, and a drain outlet at the lower corner of the end where the air inlet is located. The bottom of the drain pipe is opposite to The water outlet is formed by sloping downward at the horizontal level, and the air inlet is connected with the exhaust branch pipe corresponding to the anti-water accumulation pipe;
[0037] The anti-water pipe is made of aluminum alloy material;
[0038] ②, pretreatment
[0039] Soak the anti-water pipe in the pretreatment solution for at least 10 minutes, take it out and dry it directly;
[0040] The pretreatment solution is composed of 12 parts of water-based acrylic resin, 15 parts of urethane, 4 parts of m...
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