Engine spark extinguishing silencer

Abstract

The utility model relates to the technical field of engine exhaust treatment, and particularly discloses an engine spark extinguishing and silencing device, which comprises a shell, a silencer, a gas inlet pipe, a gas outlet pipe, a gas inlet pipe, a gas outlet pipe, a gas outlet pipe and a gas outlet pipe, the partition plate is arranged in the containing cavity, the partition plate divides the containing cavity into a fire extinguishing cavity and an exhaust cavity, the fire extinguishing cavity communicates with the exhaust cavity, and fire extinguishing liquid is arranged in the fire extinguishing cavity; the air inlet pipe and the exhaust pipe are both connected with the shell, one end of the air inlet pipe penetrates through the partition plate and is located in the fire extinguishing cavity, one end of the exhaust pipe is located in the exhaust cavity, and the air inlet pipe and the exhaust pipe are each provided with at least one ventilation through hole. The device has the advantages of being simple in overall structure, high in applicability and low in cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of engine exhaust treatment, especially relates to a spark extinguishing silencing device of engine. BACKGROUND

[0002] The spark extinguisher is installed behind the exhaust pipe of the motor vehicle and the internal combustion engine, allows the exhaust flow to pass through, and prevents the flame and spark in the exhaust flow from spraying out of the safety fireproof and fireproof device.

[0003] The various spark extinguishers used in the prior art have certain fire extinguishing ability, but have large resistance loss, high oil consumption rate, complex structure, high cost, and limited popularization and application. UTILITY MODEL CONTENTS

[0004] In view of the above problems in the prior art, the utility model aims to provide a spark extinguishing silencing device of engine, which has the advantages of simple overall structure, high applicability and low cost.

[0005] The above technical purpose of the utility model is achieved by the following technical scheme:

[0006] A spark extinguishing silencing device of engine comprises:

[0007] A shell having a containing cavity;

[0008] A partition plate arranged in the containing cavity, which divides the containing cavity into a fire extinguishing cavity and an exhaust cavity, and the fire extinguishing cavity is in communication with the exhaust cavity, and the fire extinguishing cavity is provided with fire extinguishing liquid;

[0009] An air inlet pipe and an exhaust pipe, both of which are connected with the shell, one end of the air inlet pipe penetrates through the partition plate and is located in the fire extinguishing cavity, one end of the exhaust pipe is located in the exhaust cavity, and at least one air permeable through hole is arranged on the air inlet pipe and the exhaust pipe.

[0010] Compared with the prior art, the partition plate is arranged in the shell to divide the containing cavity into the fire extinguishing cavity and the exhaust cavity, so that the spark in the exhaust can be contacted with the fire extinguishing liquid in the fire extinguishing cavity to extinguish the spark, and the air flow exchange is realized through the air permeable through holes on the air inlet pipe and the exhaust pipe to achieve the silencing effect.

[0011] As a preferred scheme of the utility model, the shell has air inlet and exhaust port, the shell is provided with air inlet end cover at air inlet, the shell is provided with exhaust end cover at exhaust port, the shell, air inlet end cover and exhaust end cover form containing cavity together, air inlet pipe is connected with air inlet end cover, exhaust pipe is connected with exhaust end cover.

[0012] Adopt the above scheme, through setting air inlet end cover and exhaust end cover on the shell, make the shell, air inlet end cover and exhaust end cover form containing cavity together, ensure the correct connection and positioning of air inlet pipe and exhaust pipe, effectively improve the stability and reliability of the whole device.

[0013] As a preferred scheme of the utility model, the height of the one end of the air inlet pipe in the fire extinguishing cavity is lower than the liquid level of the fire extinguishing liquid.

[0014] Adopt the above scheme, one end of the air inlet pipe is lower than the liquid level of the fire extinguishing liquid, so that the spark in the exhaust can be fully contacted with the fire extinguishing liquid, and the efficiency of spark extinguishing is improved.

[0015] As a preferred scheme of the utility model, the direction of one end of the exhaust pipe in the exhaust cavity is opposite to the direction of one end of the air inlet pipe in the fire extinguishing cavity.

[0016] Adopt the above scheme, the direction of the exhaust pipe is opposite to the direction of the air inlet pipe, so that the pipe opening of the exhaust pipe and the pipe opening of the air inlet pipe have a height difference, thereby effectively avoiding the problem that the exhaust entering the fire extinguishing cavity causes the fire extinguishing liquid to splash into the exhaust pipe.

[0017] As a preferred scheme of the utility model, the air inlet pipe is connected with the exhaust pipe.

[0018] Adopt the above scheme, the air inlet pipe is connected with the exhaust pipe, which can effectively improve the stability of the whole device and avoid the problem of shaking and collision of the exhaust pipe and the air inlet pipe in the containing cavity.

[0019] As a preferred scheme of the utility model, the one end of the air inlet pipe in the fire extinguishing cavity and the one end of the exhaust pipe in the exhaust cavity are both provided with pipe end plug.

[0020] Adopt the above scheme, the end of the air inlet pipe and the end of the exhaust pipe are both provided with pipe end plug, which can further avoid the problem of fire extinguishing liquid entering the exhaust pipe due to splashing, and ensure the normal operation of the device.

[0021] As a preferred scheme of the utility model, the shell is provided with liquid injection assembly and liquid discharge assembly, the liquid injection assembly is communicated with the exhaust cavity, and the liquid discharge assembly is communicated with the fire extinguishing cavity.

[0022] By means of the above scheme, the adding and replacing of the fire extinguishing liquid are facilitated by arranging the liquid injection assembly and the liquid discharge assembly on the shell, and the use convenience of the device is improved.

[0023] As a preferred scheme of the present application, the liquid injection assembly comprises a liquid injection seat arranged on the shell, the shell is provided with a liquid injection opening corresponding to the liquid injection seat, the liquid injection opening is in communication with the exhaust cavity, and a liquid injection cover is arranged on the liquid injection seat.

[0024] By means of the above scheme, the fire extinguishing liquid can be injected into the exhaust cavity from the liquid injection opening and then into the fire extinguishing cavity from the exhaust cavity, and the adding of the fire extinguishing liquid in the fire extinguishing cavity can be conveniently realized, and the relative airtightness of the shell is maintained by arranging the liquid injection cover and the liquid injection seat.

[0025] As a preferred scheme of the present application, the liquid discharge assembly comprises a liquid discharge seat arranged on the shell, the shell is provided with a liquid discharge opening corresponding to the liquid discharge seat, the liquid discharge opening is in communication with the fire extinguishing cavity, and a liquid discharge cover is arranged on the liquid discharge seat.

[0026] By means of the above scheme, the discharging of the fire extinguishing liquid can be facilitated by arranging the liquid discharge opening, and the relative airtightness of the shell is maintained by arranging the liquid discharge seat and the liquid discharge cover.

[0027] The above-mentioned engine spark extinguishing and silencing device has the following beneficial effects: the accommodating cavity is divided into an exhaust cavity and a fire extinguishing cavity by arranging a partition plate, and the opening of one end of the air inlet pipe is located in the fire extinguishing liquid in the fire extinguishing cavity, so that the sparks in the exhaust gas can directly contact the fire extinguishing liquid when the exhaust gas enters the shell through the air inlet pipe, thereby achieving the purpose of extinguishing the sparks; secondly, by arranging the air permeation holes on the air inlet pipe and the exhaust pipe, the exhaust gas successively passes through the air permeation holes of the air inlet pipe, the fire extinguishing cavity, the exhaust cavity and the air permeation holes of the exhaust pipe to be discharged from the shell, and in this process, the exhaust gas exchanges air flow with the air in the shell, thereby achieving the silencing effect; the exhaust gas produces small resistance in the process of spark extinguishing and silencing, the fuel consumption is low, and the overall structure of the device is simple, the cost is low, and the production cost and use cost are effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 FIG. 1 is a structural schematic view of the engine spark extinguishing and silencing device of the present application;

[0029] In the figure: 1, shell; 2, air inlet end cover; 3, exhaust end cover; 4, air inlet pipe; 5, exhaust pipe; 6, partition plate; 7, pipe end plug; 8, liquid injection seat; 9, liquid discharge seat; 10, liquid injection cover; 11, liquid discharge cover.

[0030] The purposes, functional features and advantages of the utility model will be further explained in combination with embodiments with reference to the drawings. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0032] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0033] In addition, if the embodiments of the utility model involve the description of "first", "second", etc., the description of "first", "second", etc. is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features with "first" and "second" can explicitly or implicitly include at least one feature. In addition, if "and / or" or "and / or" appears in the whole text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0034] The utility model provides a kind of engine spark extinguishing silencer.

[0035] REFERENCE Figure 1In the embodiment of the utility model, this engine spark extinguishing silencing device, it includes: casing 1, baffle 6, intake pipe 4 and exhaust pipe 5, casing 1 has the accommodating cavity, casing 1 is equipped with the air inlet and the exhaust port, casing 1 is welded with the air inlet end cover 2 at the air inlet, casing 1 is welded with the exhaust end cover 3 at the exhaust port, casing 1, air inlet end cover 2 and exhaust end cover 3 form the accommodating cavity jointly;Baffle 6 is arranged in the accommodating cavity and is connected with casing 1 by welding, baffle 6 divides the accommodating cavity into fire extinguishing chamber and exhaust chamber, fire extinguishing chamber and exhaust chamber are communicated, fire extinguishing liquid is injected in fire extinguishing chamber, the height of the pipe orifice of one end of intake pipe 4 in fire extinguishing chamber is lower than the liquid level of fire extinguishing liquid, wherein fire extinguishing liquid adopts water;One end of intake pipe 4 passes through air inlet end cover 2 and baffle 6 sequentially and is located in fire extinguishing chamber, one end of exhaust pipe 5 passes through exhaust end cover 3 and is located in exhaust chamber, wherein intake pipe 4 is connected with air inlet end cover 2 by welding, intake pipe 4 and exhaust pipe 5 are connected by welding, exhaust pipe 5 is connected with exhaust end cover 3 by welding, at least one gas permeation through hole is arranged on intake pipe 4 and exhaust pipe 5, specifically, a plurality of gas permeation through holes are formed on the surface of exhaust pipe 5 close to the pipe orifice along the circumference of exhaust pipe 5, a plurality of gas permeation through holes are formed on the surface of intake pipe 4 close to the pipe orifice along the circumference of intake pipe 4, the number of gas permeation through holes is set according to actual demand, and the specific number of gas permeation through holes is not limited. By setting baffle 6 in casing 1, the accommodating cavity is divided into fire extinguishing chamber and exhaust chamber, so that the spark in exhaust can contact with fire extinguishing liquid in fire extinguishing chamber to extinguish the spark, and the air exchange is realized through the gas permeation through holes on intake pipe 4 and exhaust pipe 5 to achieve the silencing effect. By setting air inlet end cover 2 and exhaust end cover 3 on casing 1, casing 1, air inlet end cover 2 and exhaust end cover 3 form the accommodating cavity, which ensures the correct connection and positioning of intake pipe 4 and exhaust pipe 5, effectively improves the stability and reliability of the device as a whole. One end of exhaust pipe 5 is lower than the liquid level of fire extinguishing liquid, so that the spark in exhaust can fully contact with fire extinguishing liquid, and the efficiency of spark extinguishing is improved;Intake pipe 4 is connected with exhaust pipe 5, which effectively improves the stability of the device as a whole and avoids the problem of shaking and collision of exhaust pipe 5 and intake pipe 4 in the accommodating cavity.

[0036] Refer to Figure 1 In an embodiment, the orientation of one end of exhaust pipe 5 in exhaust chamber is opposite to the orientation of one end of intake pipe 4 in fire extinguishing chamber, specifically, the pipe orifice of one end of intake pipe 4 in fire extinguishing chamber is arranged downward, and the pipe orifice of one end of exhaust pipe 5 in exhaust chamber is arranged upward. The opposite arrangement of the orientation of exhaust pipe 5 and the orientation of intake pipe 4 can make the pipe orifice of exhaust pipe 5 and the pipe orifice of intake pipe 4 have a height difference, thereby effectively avoiding the problem that exhaust entering fire extinguishing chamber causes fire extinguishing liquid to splash into exhaust pipe 5.

[0037] Refer to Figure 1In an embodiment, the pipe end plug 7 is welded on the end of the air inlet pipe 4 and the end of the air outlet pipe 5. The pipe end plug 7 is arranged on the end of the air inlet pipe 4 and the end of the air outlet pipe 5, which can further avoid the problem that the fire extinguishing liquid enters the air outlet pipe 5 due to splashing, and ensures the normal operation of the device.

[0038] With reference to Figure 1 In an embodiment, the shell 1 is provided with a liquid injection assembly and a liquid discharge assembly. The liquid injection assembly is connected with the air outlet chamber, and the liquid discharge assembly is connected with the fire extinguishing chamber. The liquid injection assembly comprises a liquid injection seat 8 welded on the shell 1. The shell 1 is provided with a liquid injection opening corresponding to the liquid injection seat 8. The liquid injection opening is connected with the air outlet chamber. The liquid injection seat 8 is provided with a liquid injection cover 10. The liquid discharge assembly comprises a liquid discharge seat 9 welded on the shell 1. The shell 1 is provided with a liquid discharge opening corresponding to the liquid discharge seat 9. The liquid discharge opening is connected with the fire extinguishing chamber. The liquid discharge seat 9 is provided with a liquid discharge cover 11. The liquid injection assembly and the liquid discharge assembly are arranged on the shell 1, which facilitates the addition and replacement of the fire extinguishing liquid, and improves the use convenience of the device. The fire extinguishing liquid can be injected into the air outlet chamber from the liquid injection opening, and then enters the fire extinguishing chamber from the air outlet chamber. The addition of the fire extinguishing liquid in the fire extinguishing chamber is convenient. The relative sealing of the shell 1 is maintained by the liquid injection cover 10 and the liquid injection seat 8. The discharge of the fire extinguishing liquid is facilitated by the liquid discharge opening. The relative sealing of the shell 1 is maintained by the liquid discharge seat 9 and the liquid discharge cover 11.

[0039] The containing chamber is divided into the air outlet chamber and the fire extinguishing chamber by the partition plate 6. The opening of one end of the air inlet pipe 4 is located in the fire extinguishing liquid in the fire extinguishing chamber. When the exhaust gas enters the shell 1 through the air inlet pipe 4, the sparks in the exhaust gas can directly contact the fire extinguishing liquid, so as to extinguish the sparks. Secondly, the air permeable through holes are arranged on the air inlet pipe 4 and the air outlet pipe 5. The exhaust gas is discharged from the shell 1 through the air permeable through holes of the air inlet pipe 4-the fire extinguishing chamber-the air outlet chamber-the air permeable through holes of the air outlet pipe 5. In this process, the exhaust gas exchanges air flow with the air in the shell 1, so as to achieve the sound reduction effect. The exhaust gas produces small resistance in the process of spark extinguishing and sound reduction. The fuel consumption is low. The overall structure of the device is simple. The production cost and use cost are effectively reduced.

[0040] The above only describes the preferred embodiments of the present application, and does not limit the patent range of the present application. Any equivalent structural transformation made by referring to the contents of the present application and the drawings, or direct / indirect application in other related technical fields is included in the patent protection range of the present application.

Claims

1. An engine spark extinguishing silencer, characterized in that: include: a housing, wherein the housing has a receiving cavity; a partition, the partition being arranged in the accommodating chamber, the partition dividing the accommodating chamber into a fire extinguishing chamber and an exhaust chamber, the fire extinguishing chamber being connected to the exhaust chamber, and a fire extinguishing liquid being arranged in the fire extinguishing chamber; An air intake pipe and an exhaust pipe, both of which are connected to the shell, one end of the air intake pipe passes through the partition and is located in the fire extinguishing chamber, one end of the exhaust pipe is located in the exhaust chamber, and both of the air intake pipe and the exhaust pipe are provided with at least one air permeable hole.

2. The engine spark extinguishing and silencing device according to claim 1, characterized in that: The shell has an air inlet and an exhaust port, an air inlet end cover is provided at the position of the shell corresponding to the air inlet, and an exhaust end cover is provided at the position of the shell corresponding to the exhaust port. The shell, the air inlet end cover and the exhaust end cover together form a accommodating cavity, the air inlet pipe is connected to the air inlet end cover, and the exhaust pipe is connected to the exhaust end cover.

3. The engine spark extinguishing and silencing device according to claim 1, characterized in that: The height of the air inlet pipe at one end of the fire extinguishing chamber is lower than the liquid level of the fire extinguishing liquid.

4. The engine spark extinguishing and silencing device according to claim 1, characterized in that: The direction of the exhaust pipe at one end of the exhaust chamber is opposite to the direction of the air inlet pipe at one end of the fire extinguishing chamber.

5. The engine spark extinguishing and silencing device according to claim 1, characterized in that: The air intake pipe is connected to the exhaust pipe.

6. The engine spark extinguishing and silencing device according to claim 1, characterized in that: The air inlet pipe is located at one end of the fire extinguishing chamber and the exhaust pipe is located at one end of the exhaust chamber and is provided with a pipe end plugging cover.

7. The engine spark extinguishing and silencing device according to claim 1, characterized in that: The shell is provided with a liquid injection component and a liquid discharge component. The liquid injection component is communicated with the exhaust cavity, and the liquid discharge component is communicated with the fire extinguishing cavity.

8. The engine spark extinguishing and silencing device according to claim 7, characterized in that: The liquid injection assembly includes a liquid injection seat, which is arranged on the shell. The shell is provided with a liquid injection port corresponding to the liquid injection seat. The liquid injection port is connected to the exhaust cavity. The liquid injection seat is provided with a liquid injection cover.

9. The engine spark extinguishing and silencing device according to claim 7, characterized in that: The drainage assembly includes a drainage seat, which is arranged on the shell. The shell is provided with a drainage port corresponding to the drainage seat. The drainage port is communicated with the fire extinguishing cavity. A drainage cover is provided on the drainage seat.

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