阅读说明：本技术 一种汽车尾气排放管防进水装置 (Water inlet prevention device for automobile exhaust discharge pipe ) 是由 吴良芹 于 2021-10-21 设计创作，主要内容包括：本发明公开了一种汽车尾气排放管防进水装置,包括：发动机排气歧管、排气转换装置及中间连接管、上排气管和下排气管,排气转换装置包括排气口转换阀、外壳、角度电机、法兰盘和轴瓦,角度电机的输出轴贯穿法兰盘、外壳后与所述轴瓦相连接,排气口转换阀设置于所述输出轴上且位于上排气管和下排气管之间,角度电机驱动输出轴旋转以带动排气转换装置转动从而打开上排气管或下部排气管。本发明当汽车没有进水时,可以保证汽车尾气从下排气管正常排放,当汽车涉水或进水后,安装在汽车内的水位传感器会通电,关闭下排气管,打开上排气管,防止水从下排气管进入发动机,引起发动机熄火,从而保证汽车的正常工作,避免了汽车进水带来较大损失。(The invention discloses a water inlet prevention device for an automobile exhaust discharge pipe, which comprises: the exhaust conversion device comprises an exhaust port conversion valve, a shell, an angle motor, a flange plate and a bearing bush, an output shaft of the angle motor penetrates through the flange plate and the shell and then is connected with the bearing bush, the exhaust port conversion valve is arranged on the output shaft and located between the upper exhaust pipe and the lower exhaust pipe, and the angle motor drives the output shaft to rotate so as to drive the exhaust conversion device to rotate and open the upper exhaust pipe or the lower exhaust pipe. When the automobile is waded or enters water, the water level sensor arranged in the automobile is electrified, the lower exhaust pipe is closed, the upper exhaust pipe is opened, water is prevented from entering the engine from the lower exhaust pipe, and the engine is prevented from being flamed out, so that the normal work of the automobile is ensured, and the great loss caused by water entering the automobile is avoided.)

1. The utility model provides a water installations is prevented to automobile exhaust discharge pipe which characterized in that includes: the exhaust conversion device comprises an exhaust port conversion valve, a shell, an angle motor, a flange plate and a bearing bush, wherein the flange plate and the bearing bush are symmetrically arranged on two sides of the shell respectively, an output shaft of the angle motor penetrates through the flange plate and the shell and then is connected with the bearing bush, the exhaust port conversion valve is arranged on the output shaft and is positioned between the upper exhaust pipe and the lower exhaust pipe, and the angle motor drives the output shaft to rotate so as to drive the exhaust conversion device to rotate and open the upper exhaust pipe or the lower exhaust pipe.

2. The device of claim 1, further comprising a control circuit system, wherein the control board, and the ignition switch, the fuse, the battery, the set of level sensors, the set of normally open relays, and the angle motor are connected to the control board through wires.

3. The device of claim 2, wherein the battery is 12 volts or 24 volts.

4. The device of claim 2, wherein the fuse protects the control circuitry.

5. The device of claim 2, wherein a set of water level sensors is disposed on the vehicle at a position not higher than the lower exhaust pipe.

6. The water inlet preventer for an exhaust pipe of an automobile according to claim 1, wherein a muffler is provided between the engine exhaust manifold and the intermediate connection pipe.

Technical Field

The invention relates to a water inlet prevention device for an automobile exhaust discharge pipe.

Background

The exhaust emission pipe of most cars is located the bottom of car, and in rainy area or summer rainy season, ground can ponding often, when the ponding water level was higher than exhaust emission pipe position, leads to the vehicle vent pipe to intake easily, may lead to the car to flame out, if ponding gets into engine cylinder, may arouse the engine to explode the jar, leads to the cylinder body fracture, leads to the car owner to cause great loss.

Disclosure of Invention

In order to solve the technical problems, the invention provides the water inlet prevention device for the automobile exhaust emission pipe, which can prevent water from entering the engine from the lower exhaust emission pipe to cause flameout of the engine, so that the normal work of an automobile is ensured, and the great loss caused by water inlet of the automobile is avoided.

In order to solve the above technical problems, one technical solution adopted by the present invention is to provide a water inlet prevention device for an automobile exhaust gas discharge pipe, comprising: the exhaust conversion device comprises an exhaust port conversion valve, a shell, an angle motor, a flange plate and a bearing bush, wherein the flange plate and the bearing bush are symmetrically arranged on two sides of the shell respectively, an output shaft of the angle motor penetrates through the flange plate and the shell and then is connected with the bearing bush, the exhaust port conversion valve is arranged on the output shaft and is positioned between the upper exhaust pipe and the lower exhaust pipe, and the angle motor drives the output shaft to rotate so as to drive the exhaust conversion device to rotate and open the upper exhaust pipe or the lower exhaust pipe.

In a preferred embodiment of the invention, the control circuit system is further included, and the control board, an ignition switch, a fuse, a storage battery, a group of water level sensors, a group of normally open relays and an angle motor are connected with the control board through leads.

In a preferred embodiment of the invention, the battery is 12 volts or 24 volts.

In a preferred embodiment of the invention, the fuse protects the control circuitry.

In a preferred embodiment of the present invention, a set of water level sensors is disposed on the vehicle and not higher than the lower exhaust pipe.

In a preferred embodiment of the invention, a silencer is arranged between the engine exhaust manifold and the intermediate connecting pipe.

The invention has the beneficial effects that: the water inlet preventing device for the automobile exhaust discharging pipe can ensure that the automobile exhaust is normally discharged from the lower discharging pipe when the automobile does not enter water, and when the automobile wades or enters water, the water level sensor arranged in the automobile is electrified, the lower discharging pipe is closed, the upper discharging pipe is opened, water is prevented from entering the engine from the lower discharging pipe, and the engine is flameout, so that the normal work of the automobile is ensured, and the great loss caused by the water entering of the automobile is avoided.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is an assembly view showing an embodiment of a water inlet preventer for an exhaust pipe of an automobile according to the present invention;

FIG. 2 is a schematic view of an exhaust gas conversion device;

fig. 3 is a circuit schematic of the control circuitry.

Detailed description of the preferred embodiments

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, an embodiment of the present invention is a water inlet preventing device for an exhaust pipe of an automobile, including: the exhaust conversion device comprises an exhaust port conversion valve 5, a shell 6, an angle motor 7, a flange 8 and a bearing bush 9, wherein the flange and the bearing bush are respectively and symmetrically arranged on two sides of the shell, an output shaft 71 of the angle motor penetrates through the flange 8 and the shell 6 and then is connected with the bearing bush 9, the exhaust port conversion valve is arranged on the output shaft 71 and is positioned between the upper exhaust pipe 3 and the lower exhaust pipe 4, the angle motor 7 drives the output shaft 71 to rotate to drive the exhaust conversion device to rotate, and therefore the upper exhaust pipe 3 or the lower exhaust pipe 4 is opened or closed.

Specifically, as shown in fig. 3, a schematic circuit diagram of a control circuit system includes: the control panel 10 and fuse 12, ignition switch 13, battery 14, a set of level sensor 15, a set of normally open relay 16 and angle motor that are connected with the control panel through wire 11, the battery is 12 volts or 24 volts, and fuse 12 plays the guard action to control circuit system.

The working principle is as follows: the water level sensor is arranged at the lowest position on the automobile which is not higher than the lower exhaust pipe, when the ignition switch 13 is closed and the automobile runs normally and does not wade, one group of water level sensors 15 cannot detect a wading signal, in a normal state, the water level sensors 15 are not electrified, the coil of the normally open relay 16-1 is not electrified, the contact of the normally open relay 16-1 is not closed, the control panel 10 cannot obtain a signal and does not electrify the coil of the normally open relay 16-2, the angle motor 7 is not electrified to work, the angle motor 7 cannot drive the exhaust port conversion valve 5 on the output shaft to rotate to close the upper exhaust pipe, and automobile exhaust gas is normally exhausted from the lower exhaust pipe 4; when an automobile wades, any sensor in the water level sensor 15 detects a wading signal, the normally open relay 16-1 coil is electrified, the normally open relay 16-1 contact is closed, the wading signal is transmitted to the control board 10, the control board 10 is electrified for the normally open relay 16-2 coil, the normally open relay 16-2 contact is closed and electrified, the angle motor 7 is electrified and works, the control board controls the angle motor 7 to drive the exhaust port conversion valve 5 on the output shaft 71 to rotate for a certain angle (generally set to be 90 degrees) and then is closedExhaust pipe 4Is opened atExhaust pipe 3The automobile exhaust normally exhausts from the upper exhaust pipe 3, and the exhaust port of the upper exhaust pipe 3 is higher, so that the automobile is guaranteed to normally run under the wading condition, water is prevented from entering the engine from the lower exhaust pipe 4, the engine is caused to be flamed out, the normal work of the automobile is guaranteed, and great loss caused by water inflow of the automobile is avoided.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.