JP2003148128A - Automobile exhaust gas removal device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To remove exhaust gas exhausted from an automobile. SOLUTION: In the exhaust gas removal device for the automobile, the harmful exhaust gas exhausted from a muffler of the automobile is removed without being directly exhausted outside the automobile. It is characterized by that an exhaust gas removal device body is comprised by attaching a double inner tube to an exhaust dust pipe sucking in the harmful exhaust gas exhausted from the muffler of the automobile, attaching an exhaust gas suction pipe sucking the exhaust gas exhausted from the automobile to a suction side of the exhaust gas, and attaching an exhaust gas exhaust pipe exhausting harmless air provided by removing harmful gas from the sucked in exhaust gas to another end, and that the exhaust gas removal device body is attached to the muffler of the automobile.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for removing harmful exhaust gas emitted from automobiles, and more particularly to a device for removing exhaust gas emitted from a muffler without directly exhausting the exhaust gas to the outside of the vehicle. Is.

[0002]

2. Description of the Related Art Various solutions have been considered to solve the problem of harmful exhaust gas from automobiles, which has been a social problem in the past. For example, a method of processing using the collected material is adopted. Therefore, not only is the device and structure complicated, but the cost becomes high and practical application is difficult / impossible.
The current situation is that we are struggling with that measure. In particular, in the Tokyo metropolitan area, not only mere social problems but also life and other problems such as environmental and health problems, which directly affect the human body like dioxin in garbage, are the reality.

Therefore, an automobile exhaust gas removing method and its device (Japanese Patent Application No. 2000-192691) developed by the applicant of the present application to solve these problems are disclosed. This conventional device is an exhaust gas intake part composed of an exhaust gas intake inner pipe and an exhaust gas intake outer pipe connected to a muffler of an automobile, and an exhaust gas with an exhaust gas removal brush connected to the exhaust gas intake part. Exhaust gas removing part including a gas removing pipe, an exhaust dust inner pipe, and an exhaust dust outer pipe, an exhaust gas removing pipe lid part connected to the exhaust gas removing part, an exhaust gas exhausting inner pipe, and an exhaust gas exhausting outside (EN) An exhaust gas removing device main body comprising an exhaust gas exhausting part composed of a pipe, and the exhaust gas removing device main body being attached to a muffler of an automobile, and a device therefor. Specifically, as shown in FIG. 9 and FIG. 10, the vehicle exhaust gas removing device main body 41 includes an exhaust gas intake portion A, an exhaust gas removing portion B, and an exhaust gas discharging portion C.
The exhaust gas intake portion A is composed of an exhaust gas intake inner pipe 49 and an exhaust gas intake outer pipe 50 that are integrally formed in an elliptical shape, and the exhaust gas removal portion B is an integrally formed tubular exhaust gas. The gas removal pipe 42, the exhaust dust inner pipe 43, and the exhaust dust outer pipe 44, and the exhaust gas discharge portion C is formed in a circular shape integrally with the removal pipe lid portion 54, the exhaust gas discharge inner pipe 56, and the exhaust gas. It is composed of a gas discharge outer pipe 57.

An air passage 51 is provided between the exhaust gas intake inner pipe 49 and the exhaust gas intake outer pipe 50 of the exhaust gas intake portion A.
The in-pipe 53 is inserted into the muffler (not shown) of the vehicle body at the tip end and is fastened through the joint flange 52, and the exhaust gas intake is at the other end. It is screwed to the exhaust gas removing portion B via the pipe lid 63. In this exhaust gas suction pipe lid 63,
Since a large number of small holes are provided, the exhaust gas W discharged from the muffler is discharged in the arrow direction. It should be noted that the exhaust gas W is not ventilated between the ventilation passages 51, and the cooled air is blown so that the exhaust gas W discharged at a high temperature inside the exhaust gas suction inner pipe 49 has a function of lowering the temperature. ing.

Exhaust gas removing pipe 4 of the exhaust gas removing section B
2 and the exhaust dust inner pipe 43 between the ventilation path 47
Is configured to discharge the exhaust gas W discharged from the numerous discharge holes 48 formed in the exhaust gas removal pipe 42. In addition, the exhaust dust inner pipe 43
In the ventilation path 46 between the exhaust gas outer pipe 44 and the exhaust dust outer pipe 44, the cool air blown from the ventilation path 51 of the exhaust gas suction section A is further blown to the ventilation path 58 of the exhaust gas discharge section C. ing. Further, the exhaust hole 55 of the exhaust gas removal pipe lid 54 fitted to the exhaust dust inner pipe 43.
Is configured to block the exhaust pressure of exhaust gas W discharged into the exhaust gas removal pipe 42 via the exhaust gas removal brush 61, and collect and discharge the exhaust gas W.

In the ventilation passage 58 provided between the exhaust gas discharge inner pipe 56 of the exhaust gas discharge portion C and the exhaust gas discharge outer pipe 57, the cold air blown from the ventilation passage 46 of the exhaust gas removal portion B is discharged outside the vehicle. It is configured to be released. Further, the exhaust gas W discharged from the exhaust gas removing portion B is configured to be discharged through the exhaust gas discharge inner pipe 56 of the exhaust gas discharging portion C in the direction of the arrow and discharged outside the vehicle.

The exhaust gas removal brush 61 mounted in the exhaust gas removal pipe 42 is always installed inside and removes the exhaust gas discharge part C from the exhaust gas removal part B when removing the exhaust gas W. The brush can be operated to the left and right via the handle 61a. By operating the brush handle 61a, the harmful exhaust gas W adhering to the inner wall of the exhaust gas removal pipe 42 can be washed and the exhaust gas W can be scraped out to the outside.

[0008]

SUMMARY OF THE INVENTION There is a problem to be solved by the present invention in a case where the conventional device is improved so that the device is easier to handle than the conventional device.

[0009]

DISCLOSURE OF THE INVENTION The present invention is an improvement of the device of the present application, in which the exhaust gas of a vehicle is treated to remove harmful exhaust gas emitted from a muffler of the vehicle without directly discharging the exhaust gas to the outside of the vehicle. In the removal device, a double inner tube is attached to the exhaust dust pipe that inhales harmful exhaust gas emitted from the muffler of the automobile, and the exhaust gas that inhales exhaust gas emitted from the automobile on the exhaust gas intake side. An exhaust gas removing device main body is provided which is equipped with an intake pipe, and at the other end thereof is equipped with an exhaust gas exhausting pipe for exhausting harmless air from which harmful gas of the exhausted exhaust gas is removed, and the exhaust gas removing device is provided. The present invention provides a vehicle exhaust gas removing device, characterized in that the main body is attached to an automobile muffler, and the double type inner tube has a cylindrical outer frame inner chisel. Cover and an inner frame inner tube, and a discharge hole is formed on the surface of the inner frame inner tube, and the inner frame inner tube has a discharge hole on the entire surface and a fitting lid having a mesh. There is provided an automobile exhaust gas removing device equipped with an exhaust gas intermediate filter having an exhaust hole to which an inner and outer filter having a mesh portion and a mesh, a metal scrap waste material and a brush storage pipe are mounted, and in the inner frame inner tube Assembling of each member mounted on is the cover with discharge hole → Mating cover → Mating cover → Metal scrap waste → Outer frame filter → Inner frame filter → Metal scrap waste →
Exhaust gas intermediate filter → outer filter → inner filter → brush → brush storage pipe is installed in order to provide a vehicle exhaust gas removal device, and the exhaust gas exhaust pipe has the exhaust gas exhaust gas pipe and exhaust hole An exhaust gas removing device is provided with an exhaust gas inner pipe, and an exhaust gas removing pipe lid having an exhaust hole is attached to the exhaust gas inner pipe through a flange adjusting ring. An automobile exhaust gas removing device in which the gas intermediate filter comprises an inner filter having a fine mesh, an outer filter having a normal mesh, and an exhaust hole having a small hole on the surface, and the exhaust gas intermediate filter is composed of three layers of filters. In addition, the exhaust gas removing device body is detachably attached to an automobile muffler, and An object is to provide an automobile exhaust gas removing device configured such that the inner frame inner tube can be freely attached and detached from the outer frame inner tube of the air gas removing device body, and further, the exhaust amount of the exhaust gas removing device body can be measured. It is an object of the present invention to provide a vehicle exhaust gas removing device in which a meter display is provided and the meter display is arranged in front of a driver's seat.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention is an exhaust gas removing device for an automobile, which removes harmful exhaust gas emitted from the muffler of the automobile without directly exhausting it to the outside of the automobile. A double type inner tube is attached to the exhaust dust pipe that inhales harmful exhaust gas, and an exhaust gas intake pipe that inhales the exhaust gas emitted from the vehicle is attached to the intake side of the exhaust gas, while the other end is attached to the other end. Is an exhaust gas removing device main body provided with an exhaust gas exhaust pipe for removing harmless air from which harmful gas of the exhausted exhaust gas is removed, and the exhaust gas removing device main body is attached to a muffler of an automobile. An automobile exhaust gas removing device characterized in that the double inner tube is composed of a tubular outer frame inner tube and an inner frame inner tube. A discharge hole is provided on the surface of the inner frame inner tube, and further, a discharge hole lid having a discharge hole on the entire surface inside the inner frame inner tube, a fitting lid portion having a mesh, and an inner / outer filter having a mesh are mounted for discharge. An automobile exhaust gas removing device equipped with an exhaust gas intermediate filter having holes, a metal scrap material and a brush storage pipe,
In addition, the assembly of each member mounted in the inner frame inner tube is a cover with a discharge hole → a fitting lid → a fitting lid → a metal scrap waste → an outer frame filter → an inner frame filter → a metal scrap waste -> Exhaust gas intermediate filter-> Outer filter-> Inner filter->Brush-> Brush storage pipe is an automobile exhaust gas removing device installed in this order, and the exhaust gas exhaust pipe is an exhaust gas having the exhaust gas exhaust gas pipe and exhaust holes. An exhaust gas removing device for an automobile, wherein an internal gas pipe is attached, and an exhaust gas removing pipe lid having an exhaust hole is attached to the internal exhaust gas pipe through a flange adjusting ring, and the exhaust gas intermediate filter is also provided. An exhaust gas intermediate fill, which comprises an inner filter consisting of a fine mesh, an outer filter consisting of a normal mesh, and an exhaust hole having small holes on the surface. Is an automobile exhaust gas removing device composed of three layers of filters, and further, the exhaust gas removing device main body is detachably attached to an automobile muffler, and an outer frame inner tube to an inner frame of the exhaust gas removing device main body Since this is an automobile exhaust gas removing device configured so that the inner tube can be freely attached and detached, the handling operation is simpler than the conventional device and the same result can be obtained.

Further, the embodiment of the present invention is an automobile exhaust gas removing apparatus in which a meter indicator capable of measuring the exhaust amount of the exhaust gas removing apparatus main body is provided and the meter indicator is arranged in front of the driver's seat. The volume of exhaust gas can be measured at a glance by looking at the meter display while driving a car.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. The automobile exhaust gas removing device according to the present invention is
Japanese Patent Application No. 2000-19269 developed and disclosed by the applicant of the present application
Since this is an improvement of No. 1, the improved part will be mainly described.

1 to 5 show an automobile exhaust gas removing apparatus of the present invention, in which 1 is an exhaust gas removing apparatus main body. The exhaust gas removing device main body 1 includes a dual type inner / outer frame inner tube 2 on an exhaust dust pipe 19 for inhaling harmful exhaust gas discharged from a muffler of an automobile.
5 is installed. On the exhaust gas intake side 3 of the outer frame inner tube 2, an exhaust gas intake pipe 21 for intake of exhaust gas discharged from the automobile is mounted. On the other hand, the other end of the inner frame inner tube 5 is equipped with an exhaust gas discharge pipe 23 for discharging harmless air from which harmful gas of the exhaust gas that has been sucked is removed. The double inner tube is composed of a cylindrical outer frame inner tube 2 and an inner frame inner tube 5, and a discharge hole 6 is provided on the surface of the inner frame inner tube 5. Further, the inner frame inner tube 5 has a discharge hole lid 7 having a discharge hole 8 on the entire surface, fitting lid portions 9 and 10 having meshes, and discharge holes 13 having inner and outer filters 14 and 15 having meshes mounted thereon. Exhaust gas intermediate filter 1
2, the metal scrap waste material 11, and the brush storage pipe 16 are mounted. In addition, the inner frame inner tube 5 described above
Each member mounted inside is a lid portion 7 with a discharge hole → a fitting lid portion 9 → a fitting lid portion 10 → a metal scrap waste material 11 → an outer frame filter 14 → an inner frame filter 15 → a metal scrap waste material 11 The exhaust gas middle filter 12, the outer filter 14, the inner filter 15, the brush 17, and the brush storage pipe 16 are installed in this order.

Further, the exhaust gas exhaust pipe 23 is equipped with the exhaust gas exhaust gas pipe 23 and an exhaust gas exhaust inner pipe 24 having an exhaust hole 25, and the exhaust gas exhaust inner pipe 24 is provided with a flange adjusting ring 28. An exhaust gas removal pipe lid portion 26 having an exhaust hole 27 is attached. In addition, the exhaust gas intermediate filter 12
Is composed of an inner filter 15 having a fine mesh, an outer filter 14 having a normal mesh, and an exhaust hole 13 having a small hole on the surface. Further, the exhaust gas intermediate filter 12 is composed of three layers of filters. Has been done.

On the other hand, the conventional device (Japanese Patent Application No. 2000-
As shown in FIG. 11, the main component part of the 192692) is a flange adjusting ring 6 at the tip of the exhaust gas intake portion A.
It is fastened to the in-pipe via 2, 62, and is fastened to the exhaust gas intake outer pipe 50 at the other end through flange adjustment rings 62, 62 and joint flange 59. Further, the exhaust gas suction inner pipe 49 is inserted into the exhaust gas suction outer pipe 49 and is fastened to the exhaust gas suction outer pipe 50 via the exhaust suction pipe lid 63. Furthermore,
The exhaust gas intake pipe lid 63 of the exhaust gas intake portion A has flange adjustment rings 62, 62 and a joint flange 5
9, the exhaust gas removal pipe 42 of the exhaust gas removal unit B, the exhaust dust inner pipe 43, and the exhaust dust outer pipe 4
And are fastened. At that time, the exhaust gas removal pipe 42
It is necessary to insert the exhaust gas removal brush 61 in advance and fasten the exhaust gas removal pipe lid 54.
In addition, the other end of the exhaust gas removing portion B is fitted with the exhaust gas discharge inner pipe 57 and the exhaust gas discharge inner pipe 56 via the flange adjusting rings 62, 62, and the other end thereof has the flange adjusting ring 62, It is fastened to the out pipe through 62 and the joint flange 59.

That is, the device of the present invention is the same as the conventional device shown in FIG.
The feature is that the portion of the exhaust gas removal pipe 42 shown in FIG. 4 is improved to the double type inner and outer frame inner tube type shown in FIG. As a result, the main body of the exhaust gas removing apparatus of the present invention can be detachably attached to the muffler of the automobile, and the inner frame inner tube can be freely attached to and detached from the outer frame inner tube. Is easy.

Incidentally, FIG. 7 shows a state in which the exhaust gas removing apparatus main body 1 of the present invention is attached to the vehicle body T, which is fastened via two vehicle body attaching portions 31, 31. Further, FIG. 8 shows a state in which a meter display S showing the amount of exhaust gas discharged is arranged as seen from the driver's seat of the vehicle body T. Next, experimental data when the vehicle exhaust gas removing apparatus according to the present invention is actually used will be described. Experiment method Experiment day: September 28, 2001 Fine weather outside temperature around 28 degrees Experiment vehicle: Small cargo 1 ton vehicle Location: Heiwajima-Sengakuji-Furukawabashi-Jingumae-Yotsuya 4-chome-Shinjuku Station South Exit-Tokyo Metropolitan Government

Before (2 reciprocations of 14.7 KM each way) Other: No load Cooler usage test data 1 Table 1 shows the amount of dust collected when running for 5 hours a day for 5 days a week for 4 weeks a month. It was

[0019]

[Table 1]

Experimental data 2 Table 2 shows the data when making two round trips between Heiwajima and the Tokyo Metropolitan Government Office.

[0021]

[Table 2]

Experimental data 3 Table 3 shows data when using the expressway between Heiwajima and Sano.
It was as follows.

[0023]

[Table 3]

Further, Table 4 to Table 7 show experimental data when the vehicle exhaust gas removing apparatus according to the present invention is not installed. (Refer to the 1998 Tokyo Institute of Environmental Science)

[0025]

[Table 4]

[0026]

[Table 5]

[0027]

[Table 6]

[0028]

[Table 7]

[0029]

INDUSTRIAL APPLICABILITY The present invention provides a vehicle exhaust gas removing apparatus for removing harmful exhaust gas emitted from an automobile muffler without directly exhausting it to the outside of the vehicle. The exhaust dust pipe for inhaling the exhaust gas is equipped with a double inner tube, and the exhaust gas intake side is equipped with an exhaust gas intake pipe for inhaling the exhaust gas discharged from the vehicle, while the other end is exhausted of the exhaust gas. An automobile characterized in that an exhaust gas removing device main body equipped with an exhaust gas exhaust pipe for exhausting harmless air from which harmful gas is removed is provided, and the exhaust gas removing device main body is attached to a muffler of an automobile. An exhaust gas removing device, wherein the double inner tube comprises a cylindrical outer frame inner tube and an inner frame inner tube, and the inner frame inner tube Exhaust gas having a discharge hole provided on the surface of the tube and having a discharge hole cover having a discharge hole on the entire surface inside the inner frame inner tube, a fitting cover portion having a mesh, and an inner and outer filter having a mesh A vehicle exhaust gas removing device equipped with an intermediate filter, scrap metal scraps, and a brush storage pipe, and the assembly of each member mounted in the inner frame inner tube is a cover with a discharge hole → fit Lid → Mating lid → Metal scrap waste → Outer frame filter → Inner frame filter → Metal scrap waste → Exhaust gas intermediate filter → Outer filter → Inner filter → Brush → Brush storage pipe An exhaust gas removing device, wherein the exhaust gas exhaust pipe is equipped with the exhaust gas exhaust gas pipe and an exhaust gas exhaust inner pipe having an exhaust hole, and The type is a motor vehicle exhaust gas removing apparatus exhaust gas removal pipe lid is mounted with a discharge hole through a flange adjusting ring,
Further, the exhaust gas intermediate filter comprises an inner filter having a fine mesh, an outer filter having a normal mesh, and an exhaust hole having a small hole on the surface, and the exhaust gas intermediate filter is composed of a three-layer filter. The exhaust gas removing device main body is detachably attached to a muffler of an automobile, and the inner frame inner tube is freely detachable from the outer frame inner tube of the exhaust gas removing device body. Is a vehicle exhaust gas removal device, further provided with a meter display capable of measuring the amount of exhaust gas of the exhaust gas removal device main body, since the meter display is arranged in front of the driver's seat, It has many effects, including:
A. According to the device of the present invention, since it is very primitive and simple, it is possible to easily and easily remove harmful exhaust gas discharged from a vehicle without using a complicated method or device. (A) According to the device of the present invention, since the double type inner tube is used, the inner frame inner tube can be easily taken out and discarded. C. If the device of the present invention is used, there is no load on the engine and there is no effect on the temperature of the radiator.
Since the device of the present invention is a separate body from the vehicle body, it calculates traveling time and mileage, etc., and can be freely attached and detached anytime and anywhere, so it always travels in a harmless exhaust gas state without emitting harmful exhaust gas. be able to. E. The device of the present invention is effective for the control of harmful exhaust gas on traffic roads in the Tokyo metropolitan area, and can be said to be particularly suitable for the exhaust gas treatment measures by automobiles in Tokyo.

[Brief description of drawings]

FIG. 1 is an overall perspective view showing a vehicle exhaust gas removing apparatus of the present invention having a partially cutaway cross section.

FIG. 2 is an enlarged cross-sectional view of the device of the present invention shown in FIG.

FIG. 3 is an exploded view of the device of the present invention shown in FIG.

FIG. 4 is an exploded view of the essential parts of the device of the present invention shown in FIG.

5 is an assembly exploded view of a main part of the device of the present invention shown in FIG.

6 is a partially cutaway enlarged cross-sectional view of a main part of the device of the present invention shown in FIG.

FIG. 7 is a diagram showing a usage state of the device of the present invention shown in FIG.

FIG. 8 is an explanatory schematic view of the arrangement of a meter display used in the device of the present invention.

FIG. 9 is an overall perspective view showing a conventional automobile exhaust gas removal device.

10 is an enlarged cross-sectional view of the conventional device shown in FIG.

FIG. 11 is an exploded view of essential parts of the conventional device shown in FIG.

[Explanation of symbols]

1 Exhaust Gas Removal Device Main Body 2 Outer Frame Inner Tube 3 Exhaust Gas Exhaust Suction Side 4 Exhaust Gas Exhaust Discharge Side 5 Inner Frame Inner Tube 6, 8, 13, 25, 27, 29 Discharge Hole 7 Discharge Hole Cover 9, 10 Fitting lid part 11 Metal scrap material 12 Exhaust gas intermediate filter 14 Outer filter 15 Inner filter 16 Brush storage pipe 17 Brush 18 Brush grip 19 Exhaust dust pipe 20 Toilet 21 Exhaust gas exhaust pipe 22 Body screwing part 23 Exhaust gas exhaust pipe 24 Exhaust Gas Exhaust Inner Pipe 26 Exhaust Gas Removal Pipe Lid 28 Flange Adjustment Ring 30 Joint Flange 31 Vehicle Body Mounting Part 32 Out Pipe 33 In Pipe A Exhaust Gas Intake Part B Exhaust Gas Removal Part C Exhaust Gas Exhaust Part D Ventilation Path W Exhaust Gas T body

   ─────────────────────────────────────────────────── ─── Continued front page    (71) Applicant 500003604             Hiroaki Henmi             5-3-6 Akasaka, Minato-ku, Tokyo Fa Co., Ltd.             In the brick (72) Inventor Mitsuo Miyai             5-6-7-214, Omorikita, Ota-ku, Tokyo F-term (reference) 3D044 BA19 BA27 BB01 BD01                 3G004 AA01 BA06 DA00 DA06 DA11                       DA14 DA21 EA04 FA04                 3G090 AA01 BA08 EA01

Claims (7)

[Claims] 1. An exhaust gas removing device for an automobile, which removes harmful exhaust gas emitted from an muffler of an automobile without directly discharging the exhaust gas to the outside of the automobile, and inhales harmful exhaust gas emitted from the muffler of the automobile. The dust pipe is equipped with a double-type inner tube, and the exhaust gas intake side is equipped with an exhaust gas intake pipe for intake of exhaust gas emitted from the automobile, while the other end is equipped with a harmful gas of the exhausted exhaust gas. A vehicle exhaust gas removal device, characterized in that an exhaust gas removal device main body provided with an exhaust gas exhaust pipe for exhausting harmless air from which is removed is provided, and the exhaust gas removal device main body is attached to a muffler of an automobile. . 2. The double inner tube of the preceding paragraph comprises a cylindrical outer frame inner tube and an inner frame inner tube, and a discharge hole is provided on the surface of the inner frame inner tube.
Further, an exhaust gas intermediate filter having a discharge hole lid having a discharge hole on the entire surface inside the inner frame inner tube, a fitting cover portion having a mesh, and an exhaust hole having an inner and outer filter having a mesh mounted thereon, and a metal scrap material. The vehicle exhaust gas removing device according to claim 1, which is equipped with a brush storage pipe. 3. The assembly of the respective members mounted in the inner frame inner tube according to claim 2 is performed by assembling a discharge hole cover → a fitting cover → a fitting cover → a metal scrap waste → an outer frame filter → The automobile exhaust gas removing device according to claim 2, wherein the inner frame filter → metal scrap waste material → exhaust gas intermediate filter → outer filter → inner filter → brush → brush storage pipe are installed in this order. 4. The exhaust gas discharge pipe according to claim 1,
The exhaust gas exhaust gas pipe and an exhaust gas exhaust inner pipe having an exhaust hole are mounted, and the exhaust gas exhaust inner pipe is mounted with an exhaust gas removal pipe lid part having an exhaust hole via a flange adjusting ring. Item 1. The automobile exhaust gas removal device according to Item 1. 5. The exhaust gas intermediate filter according to claim 3, comprising an inner filter having a fine mesh, an outer filter having a normal mesh, and an exhaust hole having a small hole on the surface, and the exhaust gas intermediate filter has three parts. The vehicle exhaust gas removal device according to claim 3, wherein the exhaust gas removal device comprises a layer filter. 6. The exhaust gas removing device main body according to claim 1 is detachably attached to a muffler of an automobile, and the inner frame inner tube is freely detachable from the outer frame inner tube of the exhaust gas removing device body. The exhaust gas removing apparatus for an automobile according to claim 1 or 2, which is configured as described above. 7. The exhaust gas removal system for automobiles according to claim 6, further comprising a meter display capable of measuring the exhaust volume of the exhaust gas removal apparatus main body according to claim 6, and the meter display is arranged in front of a driver's seat. apparatus.