Automobile exhaust device

Abstract

The present invention relates to the field of automobile exhaust technology, and discloses an automobile exhaust device, comprising: an exhaust protection structure, a lower flow guiding mechanism is arranged at one end of the exhaust protection structure, a pump flow anti-immersion mechanism is installed inside the exhaust protection structure, an upper edge constant pressure mechanism is installed on the surface of the exhaust protection structure, a heat dissipation support mechanism is arranged at the top of the exhaust protection structure, and a flow guiding flexible connection mechanism is arranged at one end of the heat dissipation support mechanism. The automobile exhaust device, through the exhaust protection structure, the lower flow guiding mechanism, the pump flow anti-immersion mechanism, the upper edge constant pressure mechanism, the heat dissipation support mechanism and the flow guiding flexible connection mechanism, can accelerate and pressurize automobile exhaust gas through the pump flow anti-immersion mechanism when the automobile is wading, thereby improving the exhaust gas emission capacity, and at the same time, the rotating propeller fan continuously pushes out active drainage to prevent water from entering the inside of the muffler.

Description

Technical Field

[0001] The invention relates to the technical field of automobile exhaust, in particular to an automobile exhaust device. Background Art

[0002] The automobile exhaust system is mainly used to discharge the exhaust gas emitted by the engine, while reducing the pollution and noise of the exhaust gas. The automobile exhaust system refers to the system that collects and discharges exhaust gas, which is generally composed of exhaust manifold, exhaust pipe, catalytic converter, exhaust temperature sensor, automobile muffler and exhaust tail pipe.

[0003] Some cars are mostly used for driving on urban roads. However, when encountering heavy rain or flooding, the car needs to wade. Since the exhaust tail pipe of a general car is mostly close to the ground and the distance between the tail pipe and the muffler is short, if the tail pipe is submerged when the car is wading, it is easy to hinder the exhaust gas emission. In severe cases, it may even cause water to flow into the muffler from the tail pipe. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides an automobile exhaust device that solves the problems mentioned in the above background.

[0005] The present invention provides the following technical solution: an automobile exhaust device, comprising: an exhaust protection structure, a lower flow guide mechanism is arranged at one end of the exhaust protection structure, a pump flow anti-immersion mechanism is installed inside the exhaust protection structure, an upper edge constant pressure mechanism is installed on the surface of the exhaust protection structure, a heat dissipation support mechanism is arranged on the top of the exhaust protection structure, and a flow guide soft connection mechanism is arranged at one end of the heat dissipation support mechanism.

[0006] Preferably, the exhaust protection structure includes an exhaust three-way tail pipe, an air intake section, a mounting platform, an exhaust mesh cover, an isolation support block and a first sealing ring. The air intake section is integrally arranged on the surface of one end of the exhaust three-way tail pipe, and the air intake section is inclined. The mounting platform is integrally arranged on the surface of the exhaust three-way tail pipe, the exhaust mesh cover is fixedly installed on the inner wall of the exhaust three-way tail pipe, the isolation support block is fixedly connected to the inner wall of the exhaust three-way tail pipe near one end of the air intake section, and the first sealing ring is fixedly connected to the inner wall of the isolation support block.

[0007] Preferably, the exhaust protection structure also includes an isolation mounting cover, a detection sensor, a guide heat sink and a seepage gap, the isolation mounting cover is fixedly connected to the surface of the mounting platform, and the isolation mounting cover is located below the exhaust three-way tail pipe, the detection sensor is fixedly mounted inside the isolation mounting cover, and the detection sensor includes a liquid level sensor and a humidity sensor, the guide heat sink is integrally arranged on both sides of the isolation mounting cover, and the number of the guide heat sink is multiple, and the seepage gap is opened between multiple guide heat sinks.

[0008] Preferably, the exhaust protection structure further comprises a motor mounting tube and a motor heat sink, wherein the motor mounting tube is fixedly mounted on one end of the exhaust three-way tail pipe close to the isolation support block, and the motor heat sink is integrally arranged on the surface of the motor mounting tube.

[0009] Preferably, the lower air guide mechanism includes a supporting end block, an air guide scoop, an air guide ramp and a second sealing ring. The supporting end block is fixedly connected to the end of the exhaust three-way tail pipe away from the motor mounting tube. The air guide scoop is integrally arranged on the surface of the supporting end block. The air guide ramp penetrates and is opened on the surface of the air guide scoop. The second sealing ring is fixedly connected to the inner wall of the supporting end block.

[0010] Preferably, the pump flow anti-flooding mechanism includes an exhaust auxiliary motor, a transmission shaft, a counterweight block, a pump air fan, a plug-flow propeller fan and a centrifugal exhaust fan. The exhaust auxiliary motor is fixedly mounted inside the motor mounting tube, and the transmission shaft is fixedly connected to the output end of the exhaust auxiliary motor through a coupling, and the transmission shaft is rotatably connected between the isolation support block and the support end block through bearings, and the surfaces at both ends of the transmission shaft are slidably connected to the surface of the first sealing ring and the surface of the second sealing ring respectively.

[0011] Preferably, the upper edge constant pressure mechanism includes an intake solenoid valve, a front end head, an air guide hose, a rear end head, a support net and an air filter sponge, the intake solenoid valve is fixedly mounted on the surface of the intake section, the front end head is fixedly mounted on the input end of the intake solenoid valve, the air guide hose is fixedly connected to an end of the front end head away from the intake solenoid valve, the rear end head is fixedly connected to an end of the air guide hose away from the front end head, the support net is fixedly connected to the interior of the rear end head, the air filter sponge is fixedly mounted to the interior of the rear end head, and the air filter sponge is located between the support net and the air guide hose.

[0012] Preferably, the heat dissipation support mechanism includes a bent end tube, a heat dissipation tube and a connecting end tube, the bent end tube is fixedly connected to one end of the air intake section, the heat dissipation tube is fixedly connected to the end of the bent end tube away from the air intake section, and a heat-conducting heat sink is integrally provided on the surface of the heat dissipation tube, the connecting end tube is fixedly connected to the end of the heat dissipation tube away from the bent end tube, and the inner diameter of the heat dissipation tube is smaller than the inner diameter of the bent end tube and the inner diameter of the connecting end tube.

[0013] Preferably, the heat dissipation support mechanism also includes a connecting frame and a mounting frame, the connecting frame is fixedly sleeved on the surface of the motor mounting tube, and the inner wall of the connecting frame is fixedly connected to the surface of the bent end tube and the surface of the connecting end tube respectively, the mounting frame is fixedly sleeved between the bent end tube and the connecting end tube, and a bolt waist hole is opened through the surface of the mounting frame.

[0014] Preferably, the flow-guiding flexible connection mechanism includes a vehicle exhaust bellows, a hard end and an exhaust connecting tail pipe, the vehicle exhaust bellows is located at one end of the connecting end pipe, the hard end is fixedly connected to both ends of the vehicle exhaust bellows, the exhaust connecting tail pipe is located at one end of the vehicle exhaust bellows, and the vehicle exhaust bellows is fixedly connected to the vehicle exhaust bellows and the exhaust connecting tail pipe through two hard ends.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The automobile exhaust device, through the exhaust protection structure, the lower flow guiding mechanism, the pump flow anti-immersion mechanism, the upper edge constant pressure mechanism, the heat dissipation support mechanism and the flow guiding soft connection mechanism, can accelerate and pressurize the automobile exhaust gas through the pump flow anti-immersion mechanism when the automobile is wading, thereby improving the exhaust gas emission capacity, and at the same time, actively drain the water outward continuously through the rotating propeller fan to prevent water from entering the inside of the muffler.

[0017] The automobile exhaust device is provided with an exhaust three-way tail pipe, an air intake section, a mounting platform, an exhaust mesh cover, an isolation support block, a first sealing ring, an isolation mounting cover, a detection sensor, a guide heat sink, a seepage seam, a motor mounting tube and a motor heat sink, so as to provide stable support for the pump flow anti-immersion mechanism when in use, and form support protection through the exhaust mesh cover to prevent debris in the water from entering the interior of the device to form a blockage, thereby ensuring stable operation of the drainage capacity.

[0018] The automobile exhaust device, by means of the supporting end block, the air guide hopper, the air guide ramp and the second sealing ring, can guide the exhaust gas obliquely downward to prevent the exhaust gas from being directly ejected backwards, thereby reducing the danger to the rear of the automobile during exhaust. At the same time, by cooperating with the exhaust mesh cover, it also prevents small animals from easily getting in.

[0019] The automobile exhaust device, through the exhaust auxiliary motor, transmission shaft, counterweight, pump air fan, plug-flow propeller fan and centrifugal discharge fan, can increase the counterweight through the counterweight when in use, so as to ensure that the plug-flow propeller fan can still have a large rotational inertia after being blocked by the water flow, and avoid it from being easily stuck. The pump air fan can improve the exhaust gas discharge effect and the pressure resistance when the exhaust gas is ejected. The plug-flow propeller fan can push the water flow outward to prevent the water flow from continuing to enter the device. The centrifugal discharge fan can centrifugally discharge the water flow and the exhaust gas in the exhaust three-way tail pipe from the exhaust mesh cover on the side, and finally ensure the exhaust and drainage effect.

[0020] The automobile exhaust device, through the air intake solenoid valve, front end head, air guide hose, rear end head, support net and air filter sponge, can provide gas supplement when cleaning the inside of the exhaust three-way tail pipe after the engine is shut down, ensuring that clean airflow enters the inside to form flushing.

[0021] The automobile exhaust device, by providing a bent end pipe, a heat dissipation tube, a connecting end pipe, a connecting frame and a mounting frame, can dissipate heat for the tail gas and reduce the influence of heat on the detection sensor and the exhaust auxiliary motor.

[0022] The automobile exhaust device is provided with an automobile exhaust bellows, a hard end and an exhaust connection tail pipe, so that the device can be installed at any position outside the muffler, thereby reducing the restrictions of the muffler on its installation position. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the explosion structure of the present invention;

[0025] Figure 3 It is a cross-sectional view of the exhaust protection structure of the present invention;

[0026] Figure 4 This is a schematic diagram of the structure of the pump flow anti-immersion mechanism of the present invention;

[0027] Figure 5 It is a schematic diagram of the structure of the lower flow guiding mechanism of the present invention;

[0028] Figure 6 It is a schematic diagram of the exhaust protection structure of the present invention;

[0029] Figure 7 It is a cross-sectional view of the isolation support block of the present invention;

[0030] Figure 8 This is a schematic diagram of the structure of the upper edge constant pressure mechanism of the present invention;

[0031] Fig. 9 It is a structural schematic diagram of the isolation installation cover position of the present invention.

[0032] In the figure: 101, exhaust three-way tail pipe; 102, air intake section; 103, mounting platform; 104, exhaust mesh cover; 105, isolation support block; 106, first sealing ring; 107, isolation mounting cover; 108, detection sensor; 109, guide heat sink; 110, seepage gap; 111, motor mounting cylinder; 112, motor heat sink; 201, support end block; 202, air guide bucket; 203, air guide ramp; 204, second sealing ring; 301, exhaust auxiliary motor; 302 , transmission shaft; 303, counterweight; 304, pump air fan; 305, plug-flow propeller fan; 306, centrifugal discharge fan; 401, air intake solenoid valve; 402, front end head; 403, air guide hose; 404, rear end head; 405, support net; 406, air filter sponge; 501, bent end pipe; 502, heat sink; 503, connecting end pipe; 504, connecting frame; 505, mounting frame; 601, automobile exhaust bellows; 602, hard end; 603, exhaust connecting tail pipe. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] See also Figure 1-Figure 9 , an automobile exhaust device comprises: an exhaust protection structure, a lower flow guiding mechanism is arranged at one end of the exhaust protection structure, a pump flow anti-immersion mechanism is installed inside the exhaust protection structure, an upper edge constant pressure mechanism is installed on the surface of the exhaust protection structure, a heat dissipation support mechanism is arranged on the top of the exhaust protection structure, and a flow guiding soft connection mechanism is arranged at one end of the heat dissipation support mechanism. By setting the exhaust protection structure, the lower flow guiding mechanism, the pump flow anti-immersion mechanism, the upper edge constant pressure mechanism, the heat dissipation support mechanism and the flow guiding soft connection mechanism, the pump flow anti-immersion mechanism can accelerate the pressure of automobile exhaust when the automobile is wading, thereby improving the exhaust emission capacity, and at the same time, the rotating push flow propeller fan 305 continuously pushes active drainage outward to prevent water from entering the inside of the muffler.

[0035] Among them; the exhaust protection structure includes an exhaust three-way tail pipe 101, an air intake section 102, a mounting platform 103, an exhaust mesh cover 104, an isolation support block 105 and a first sealing ring 106. The air intake section 102 is integrally arranged on the surface of one end of the exhaust three-way tail pipe 101, and the air intake section 102 is inclined. The mounting platform 103 is integrally arranged on the surface of the exhaust three-way tail pipe 101, the exhaust mesh cover 104 is fixedly installed on the inner wall of the exhaust three-way tail pipe 101, the isolation support block 105 is fixedly connected to the inner wall of the exhaust three-way tail pipe 101 close to one end of the air intake section 102, and the first sealing ring 106 is fixedly connected to the inner wall of the isolation support block 105.

[0036] Among them; the exhaust protection structure also includes an isolation mounting cover 107, a detection sensor 108, a guide heat sink 109 and a seepage gap 110, the isolation mounting cover 107 is fixedly connected to the surface of the mounting platform 103, and the isolation mounting cover 107 is located below the exhaust three-way tail pipe 101, the detection sensor 108 is fixedly installed inside the isolation mounting cover 107, and the detection sensor 108 includes a liquid level sensor and a humidity sensor, the guide heat sink 109 is integrally arranged on both sides of the isolation mounting cover 107, and the number of the guide heat sink 109 is multiple, and the seepage gap 110 is opened between the multiple guide heat sinks 109, the heat dissipation effect of the isolation mounting cover 107 is enhanced by the guide heat sink 109, and at the same time, it is ensured that the water flow after wading can be directly discharged along the guide heat sink 109, and the seepage gap 110 between the guide heat sink 109 is used to avoid the formation of a cavity under the detection sensor 108 when wading to affect detection.

[0037] Among them; the exhaust protection structure also includes a motor mounting tube 111 and a motor heat sink 112. The motor mounting tube 111 is fixedly installed on one end of the exhaust three-way tail pipe 101 close to the isolation support block 105, and the motor heat sink 112 is integrally arranged on the surface of the motor mounting tube 111. Through the exhaust three-way tail pipe 101, the air intake section 102, the mounting platform 103, the exhaust mesh cover 104, the isolation support block 105, the first sealing ring 106, the isolation mounting cover 107, the detection sensor 108, the guide heat sink 109, the seepage seam 110, the motor mounting tube 111 and the motor heat sink 112, it is possible to provide stable support for the pump flow anti-immersion mechanism during use, and form support protection through the exhaust mesh cover 104 to prevent debris in the water from entering the interior of the device to form a blockage, thereby ensuring the stable operation of the drainage capacity.

[0038] Among them; the lower diversion mechanism includes a support end block 201, an air guide scoop 202, an air guide ramp 203 and a second sealing ring 204. The support end block 201 is fixedly connected to the end of the exhaust three-way tail pipe 101 away from the motor mounting tube 111, the air guide scoop 202 is integrally arranged on the surface of the support end block 201, the air guide ramp 203 penetrates through the surface of the air guide scoop 202, and the second sealing ring 204 is fixedly connected to the inner wall of the support end block 201. Through the support end block 201, the air guide scoop 202, the air guide ramp 203 and the second sealing ring 204, the exhaust gas can be diverted downward to avoid the exhaust gas from being directly ejected backwards, thereby reducing the danger to the rear of the car during exhaust. At the same time, through the cooperation with the exhaust mesh cover 104, it also prevents small animals from easily getting in.

[0039] Among them; the pump flow anti-immersion mechanism includes an exhaust auxiliary motor 301, a transmission shaft 302, a counterweight block 303, a pump air fan 304, a plug flow propeller fan 305 and a centrifugal exhaust fan 306, the exhaust auxiliary motor 301 is fixedly installed inside the motor mounting tube 111, the transmission shaft 302 is fixedly connected to the output end of the exhaust auxiliary motor 301 through a coupling, and the transmission shaft 302 is rotatably connected between the isolation support block 105 and the support end block 201 through bearings, and the surfaces of the two ends of the transmission shaft 302 are respectively slidably connected to the surfaces of the first sealing ring 106 and the second sealing ring 204. By setting the exhaust auxiliary motor 301, the transmission shaft 3 02. Counterweight block 303, air pumping fan 304, plug-flow propeller fan 305 and centrifugal discharge fan 306. When in use, the counterweight block 303 can be used to increase the counterweight to ensure that the plug-flow propeller fan 305 can still have a large rotational inertia after being blocked by the water flow, thereby preventing it from getting stuck easily. The air pumping fan 304 can improve the exhaust gas discharge effect and the pressure resistance of the exhaust gas when it is ejected. The plug-flow propeller fan 305 can push the water flow outward to prevent the water flow from continuing to enter the device. The centrifugal discharge fan 306 can centrifugally discharge the water flow and exhaust gas inside the exhaust three-way tail pipe 101 from the side exhaust mesh cover 104, thereby ultimately ensuring the exhaust and drainage effect.

[0040] Among them; the upper constant pressure mechanism includes an intake solenoid valve 401, a front end head 402, an air guide hose 403, a rear end head 404, a support net 405 and an air filter sponge 406, the intake solenoid valve 401 is fixedly installed on the surface of the intake section 102, the front end head 402 is fixedly installed at the input end of the intake solenoid valve 401, the air guide hose 403 is fixedly connected to the end of the front end head 402 away from the intake solenoid valve 401, the rear end head 404 is fixedly connected to the end of the air guide hose 403 away from the front end head 402, and the support net 405 is fixedly connected to the end of the air guide hose 403 away from the front end head 402. The net 405 is fixedly connected to the inside of the rear end head 404, and the air filter sponge 406 is fixedly installed inside the rear end head 404, and the air filter sponge 406 is located between the supporting net 405 and the air guide hose 403. Through the set air intake solenoid valve 401, front end head 402, air guide hose 403, rear end head 404, supporting net 405 and air filter sponge 406, gas replenishment can be provided when the inside of the exhaust three-way tail pipe 101 is cleaned after the engine is shut down, ensuring that clean airflow enters its interior to form flushing.

[0041] Among them; the heat dissipation support mechanism includes a bent end tube 501, a heat dissipation tube 502 and a connecting end tube 503, the bent end tube 501 is fixedly connected to one end of the air intake section 102, the heat dissipation tube 502 is fixedly connected to the end of the bent end tube 501 away from the air intake section 102, and the surface of the heat dissipation tube 502 is integrally provided with a heat-conducting heat sink, the connecting end tube 503 is fixedly connected to the end of the heat dissipation tube 502 away from the bent end tube 501, and the inner diameter of the heat dissipation tube 502 is smaller than the inner diameter of the bent end tube 501 and the inner diameter of the connecting end tube 503.

[0042] Among them; the heat dissipation support mechanism also includes a connecting frame 504 and a mounting frame 505, the connecting frame 504 is fixedly sleeved on the surface of the motor mounting tube 111, and the inner wall of the connecting frame 504 is fixedly connected to the surface of the bent end tube 501 and the surface of the connecting end tube 503 respectively, the mounting frame 505 is fixedly sleeved between the bent end tube 501 and the connecting end tube 503, and the surface of the mounting frame 505 is penetrated with bolt waist holes, through the set bent end tube 501, heat dissipation tube 502, connecting end tube 503, connecting frame 504 and mounting frame 505, so as to be able to dissipate heat for the exhaust gas, thereby reducing the influence of heat on the detection sensor 108 and the exhaust auxiliary motor 301.

[0043] The flow guiding flexible connection mechanism includes an automobile exhaust bellows 601, a hard end 602 and an exhaust connection tail pipe 603. The automobile exhaust bellows 601 is located at one end of the connection end pipe 503. The hard end 602 is fixedly connected to both ends of the automobile exhaust bellows 601. The exhaust connection tail pipe 603 is located at one end of the automobile exhaust bellows 601. The automobile exhaust bellows 601 is fixedly connected to the automobile exhaust bellows 601 and the exhaust connection tail pipe 603 through two hard ends 602. 02 and the exhaust connection tail pipe 603, so that the device can be installed at any position outside the muffler, reducing the restrictions of the muffler on its installation position. The automobile exhaust bellows 601 is also called the automobile exhaust pipe hose. It is installed in the exhaust pipe between the engine exhaust branch pipe and the muffler, making the entire exhaust system flexibly connected, thereby playing a role in reducing vibration and noise, facilitating installation and extending the life of the exhaust muffler system. Its structure is a double-layer bellows covered with a steel wire mesh sleeve, and the straight-edge sections at both ends are covered with clamping rings. In order to achieve a better muffler effect, the bellows can be equipped with an expansion joint or a mesh sleeve.

[0044] Working principle:

[0045] During installation, the device is installed on the bottom of the car by bolts, the exhaust connecting tail pipe 603 is installed to the output end of the muffler, and the rear end head 404 is installed near the air inlet of the car;

[0046] During normal discharge, the exhaust gas enters the exhaust connection tail pipe 603 from the muffler, then enters the connection end pipe 503 from the automobile exhaust bellows 601, then passes through the heat dissipation tube 502 to enter the bent end pipe 501. When passing through the heat dissipation tube 502, the exhaust gas dissipates heat through the heat dissipation tube 502 to achieve cooling, and then the exhaust gas enters the intake section 102 from the bent end pipe 501, and then enters the exhaust three-way tail pipe 101, passes through the pump air fan 304 and the plug flow propeller fan 305 in the exhaust three-way tail pipe 101 in turn, and then passes through the exhaust mesh cover 104 and is discharged from the air guide chute 203;

[0047] When wading, when the water level reaches a certain position, the detection sensor 108 transmits a signal to the car computer, and the computer issues a command to start the exhaust auxiliary motor 301. The exhaust auxiliary motor 301 drives the transmission shaft 302 to rotate. The rotating transmission shaft 302 drives the counterweight block 303, the pumping fan 304, the flow-pushing propeller fan 305 and the centrifugal exhaust fan 306 on the surface to rotate. When the pumping fan 304 rotates, a unidirectional negative pressure is formed, which increases the thrust of the exhaust gas discharged outward by the car, thereby improving the exhaust gas emission effect and preventing it from being easily blocked by the water flow. When the flow-pushing propeller fan 305 rotates, it forms a thrust on the water flow. , so that the water flow entering the exhaust three-way tail pipe 101 is transported to the end close to the exhaust mesh cover 104, and the exhaust gas is transported at the same time, so as to prevent the water flow from continuing to enter the input end of the exhaust three-way tail pipe 101. When the air flow and water flow reach the vicinity of the centrifugal discharge fan 306, the rotating centrifugal discharge fan 306 will produce a centrifugal effect, so that the water flow and air flow in the center are pushed to the periphery, thereby pushing the water flow and air flow out of the exhaust mesh cover 104. When the wading is completed, the detection sensor 108 transmits a signal to the car computer, and the computer issues a command to turn off the exhaust auxiliary motor 301. At this time, the exhaust gas is discharged normally;

[0048] When cleaning the debris carried by the water flow inside the exhaust three-way tail pipe 101 after wading, turn off the car engine, open the intake solenoid valve 401, start the exhaust auxiliary motor 301, and the exhaust auxiliary motor 301 drives the transmission shaft 302 to rotate. The rotating transmission shaft 302 drives the counterweight block 303, the pumping fan 304, the plug-flow propeller fan 305 and the centrifugal discharge fan 306 on the surface to rotate. When the pumping fan 304 rotates, a one-way negative pressure is formed, and the negative pressure attracts the air flow into the exhaust three-way tail pipe 101. The air flow first passes through the support net 405 and the air filter sponge 406 for filtration, and then enters the intake solenoid valve 401 along the air guide hose 403, and then enters the exhaust three-way tail pipe 101 from the intake section 102 and is accelerated by the pumping fan 304. The accelerated air flow impacts the exhaust three-way tail pipe 101. At this time, there is no water flow obstruction, and the pumping effect of the pumping fan 304 is stronger. The air flow flushes and discharges the debris and part of the carbon deposits inside the exhaust three-way tail pipe 101.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automobile exhaust device, characterized in that: include: An exhaust protection structure, wherein a lower flow guiding mechanism is arranged at one end of the exhaust protection structure, a pump flow anti-immersion mechanism is installed inside the exhaust protection structure, an upper edge constant pressure mechanism is installed on the surface of the exhaust protection structure, a heat dissipation support mechanism is arranged on the top of the exhaust protection structure, and a flow guiding soft connection mechanism is arranged at one end of the heat dissipation support mechanism; The exhaust protection structure comprises an exhaust three-way tail pipe (101), an air intake section (102), a mounting platform (103), an exhaust mesh cover (104), an isolation support block (105) and a first sealing ring (106); the air intake section (102) is integrally arranged on the surface of one end of the exhaust three-way tail pipe (101), and the air intake section (102) is inclined; the mounting platform (103) is integrally arranged on the surface of the exhaust three-way tail pipe (101); the exhaust mesh cover (104) is fixedly mounted on the inner wall of the exhaust three-way tail pipe (101); the isolation support block (105) is fixedly connected to the inner wall of the exhaust three-way tail pipe (101) near one end of the air intake section (102); and the first sealing ring (106) is fixedly connected to the inner wall of the isolation support block (105); The exhaust protection structure further comprises a motor mounting tube (111) and a motor cooling fin (112); the motor mounting tube (111) is fixedly mounted on one end of the exhaust three-way tail pipe (101) close to the isolation support block (105); and the motor cooling fin (112) is integrally arranged on the surface of the motor mounting tube (111); The lower air guide mechanism comprises a support end block (201), an air guide hopper (202), an air guide chute (203) and a second sealing ring (204); the support end block (201) is fixedly connected to an end of the exhaust three-way tail pipe (101) away from the motor mounting tube (111); the air guide hopper (202) is integrally arranged on the surface of the support end block (201); the air guide chute (203) penetrates and is provided on the surface of the air guide hopper (202); and the second sealing ring (204) is fixedly connected to the inner wall of the support end block (201); The pump flow anti-flooding mechanism comprises an exhaust auxiliary motor (301), a transmission shaft (302), a counterweight (303), an air pump fan (304), a flow-pushing propeller fan (305) and a centrifugal exhaust fan (306); the exhaust auxiliary motor (301) is fixedly mounted inside a motor mounting tube (111); the transmission shaft (302) is fixedly connected to an output end of the exhaust auxiliary motor (301) via a coupling; the transmission shaft (302) is rotatably connected between an isolation support block (105) and a support end block (201) via bearings; and surfaces at both ends of the transmission shaft (302) are slidably connected to a surface of a first sealing ring (106) and a surface of a second sealing ring (204).

2. An automobile exhaust device according to claim 1, characterized in that: The exhaust protection structure further comprises an isolation mounting cover (107), a detection sensor (108), a flow guiding heat sink (109) and a seepage slit (110); the isolation mounting cover (107) is fixedly connected to the surface of the mounting platform (103), and the isolation mounting cover (107) is located below the exhaust three-way tail pipe (101); the detection sensor (108) is fixedly mounted inside the isolation mounting cover (107), and the detection sensor (108) comprises a liquid level sensor and a humidity sensor; the flow guiding heat sink (109) is integrally arranged on both sides of the isolation mounting cover (107), and the number of the flow guiding heat sink (109) is multiple; and the seepage slit (110) is provided between the multiple flow guiding heat sinks (109).

3. The automobile exhaust device according to claim 1, characterized in that: The upper edge constant pressure mechanism comprises an air intake solenoid valve (401), a front end head (402), an air guide hose (403), a rear end head (404), a support net (405) and an air filter sponge (406); the air intake solenoid valve (401) is fixedly mounted on the surface of the air intake section (102); the front end head (402) is fixedly mounted at the input end of the air intake solenoid valve (401); the air guide hose (403) is fixedly connected to an end of the front end head (402) away from the air intake solenoid valve (401); the rear end head (404) is fixedly connected to an end of the air guide hose (403) away from the front end head (402); the support net (405) is fixedly connected to the interior of the rear end head (404); the air filter sponge (406) is fixedly mounted to the interior of the rear end head (404), and the air filter sponge (406) is located between the support net (405) and the air guide hose (403).

4. An automobile exhaust device according to claim 3, characterized in that: The heat dissipation support mechanism comprises a bent end tube (501), a heat dissipation tube (502) and a connecting end tube (503); the bent end tube (501) is fixedly connected to one end of the air intake section (102); the heat dissipation tube (502) is fixedly connected to one end of the bent end tube (501) away from the air intake section (102); a heat conduction heat sink is integrally provided on the surface of the heat dissipation tube (502); the connecting end tube (503) is fixedly connected to one end of the heat dissipation tube (502) away from the bent end tube (501); and the inner diameter of the heat dissipation tube (502) is smaller than the inner diameter of the bent end tube (501) and the inner diameter of the connecting end tube (503).

5. An automobile exhaust device according to claim 4, characterized in that: The heat dissipation support mechanism further comprises a connecting frame (504) and a mounting frame (505); the connecting frame (504) is fixedly sleeved on the surface of the motor mounting tube (111), and the inner wall of the connecting frame (504) is fixedly connected to the surface of the bent end tube (501) and the surface of the connecting end tube (503), respectively; the mounting frame (505) is fixedly sleeved between the bent end tube (501) and the connecting end tube (503), and a bolt waist hole is penetrated through the surface of the mounting frame (505).

6. An automobile exhaust device according to claim 5, characterized in that: The flow-guiding flexible connection mechanism comprises an automobile exhaust bellows (601), a hard end (602) and an exhaust connection tail pipe (603); the automobile exhaust bellows (601) is located at one end of the connection end pipe (503); the hard end (602) is respectively fixedly connected to both ends of the automobile exhaust bellows (601); the exhaust connection tail pipe (603) is located at one end of the automobile exhaust bellows (601); and the automobile exhaust bellows (601) is respectively fixedly connected to the automobile exhaust bellows (601) and the exhaust connection tail pipe (603) via two hard ends (602).

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