Automobile engine tail gas purification device

Abstract

The utility model provides an automobile engine tail gas purification device, which belongs to the technical field of tail gas treatment and comprises a tail gas purification cylinder, two three-way catalytic carrier plates are fixedly connected to the inner wall of the tail gas purification cylinder, and a mounting through hole is formed in the axial side wall of the tail gas purification cylinder; and the two convenient dismounting and mounting assemblies each comprise a sliding limiting frame fixedly connected to the axial outer wall of the tail gas purification barrel, a sliding plate is slidably connected into each sliding limiting frame, an abutting fixing plate is fixedly connected to the end of each sliding plate, and an abutting driving component is fixedly connected to the outer wall of each sliding limiting frame. According to the tail gas purification device, the tail gas purification barrel and the exhaust pipe can be quickly connected, mounted and dismounted, the use convenience of maintenance or replacement of the tail gas purification device is improved, pollutants in tail gas can be in uniform and full contact with the three-way catalytic carrier plate, and the tail gas purification effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to tail gas treatment technical field especially relates to a car engine tail gas purification device. BACKGROUND

[0002] With the increasing of the automobile ownership, the harmful pollutants such as carbon monoxide, hydrocarbons, nitrogen oxides in the automobile engine tail gas are discharged in large quantities, which seriously harm the environment and human health, and the automobile engine tail gas purification treatment becomes an important problem to be solved, and the structure of the existing automobile engine tail gas purification treatment device is relatively complex and inconvenient to maintain, which is difficult to meet the increasingly stringent environmental protection requirements.

[0003] The prior art often has the following problems when in use:

[0004] The automobile engine tail gas purification device currently used is usually arranged in the engine exhaust system, which is very inconvenient when the tail gas purification device needs to be repaired or replaced, so that the use convenience of the tail gas purification device repair or replacement is poor, and since the tail gas purification device and the tail gas discharge pipe are usually in horizontal structure, the tail gas generated by the engine is difficult to uniformly and fully contact the catalytic converter or catalyst, which affects the tail gas purification effect. SUMMARY

[0005] In view of the deficiencies in the prior art, the utility model provides an automobile engine tail gas purification device.

[0006] The embodiment of the utility model provides a kind of automobile engine tail gas purification device, comprising:

[0007] Tail gas purification cylinder, two three-way catalytic carrier plates are fixedly connected to the inner wall of the tail gas purification cylinder, and the axial side wall of the tail gas purification cylinder is provided with an installation perforation;

[0008] Two convenient disassembly and assembly components, two the convenient disassembly and assembly components are all included and fixedly connected to the axial outer wall of tail gas purification cylinder sliding limit frame, slidingly connected with sliding plate in the sliding limit frame, the end of the sliding plate is fixedly connected with abutment fixed plate, and the outer wall of the sliding limit frame is fixedly connected with abutment driving component;

[0009] Uniform purification component, the uniform purification component includes two annular rotating supports fixedly connected to the inner wall of the tail gas purification cylinder, and the rotating supports are rotatably connected with shaft on two, the outer wall of the shaft is fixedly connected with impeller and a plurality of spoiler blades.

[0010] Further, the abutment driving component includes a support plate fixedly connected to the outer wall of the sliding limit frame, an adjusting screw is threadedly connected through the support plate, and the end of the adjusting screw close to the abutment fixed plate is rotatably connected with the outer wall of the abutment fixed plate through bearing.

[0011] Further, the tail gas purification cylinder inner wall is fixedly connected with a plurality of concave rotating frames arranged in an annular equidistant array, the concave rotating frames are rotationally connected with abutting rollers, and the abutting rollers are sleeved with abutting rings.

[0012] Further, the adjusting screw is fixedly connected with a knob at an end portion away from the abutting fixed plate.

[0013] Further, a through hole is formed at a central position of each of the two three-way catalytic carrier plates, the rotating shaft is matched with the through hole, and a plurality of the spoiler blades are located at the intermediate positions of the two three-way catalytic carrier plates.

[0014] Further, the abutting fixed plate is arranged in an arc-shaped structure, and an abutting pad is fixedly connected to an inner side surface of the abutting fixed plate, and the abutting pad and the abutting ring are both made of a metal matrix composite pad with a high elastic modulus.

[0015] Compared with the prior art, the automobile engine tail gas purification device has the following beneficial effects:

[0016] In the utility model, two convenient dismounting assemblies are arranged, the two abutting fixed plates are driven to move towards each other or away from each other, the two abutting fixed plates arranged in an arc-shaped structure can be fully abutted and fixed to the outer wall of the automobile engine exhaust pipe or the fixing to the exhaust pipe is released, so that the connection and installation and dismounting of the tail gas purification cylinder and the exhaust pipe are quickly completed, and the use convenience of the tail gas purification device maintenance or replacement is improved; and the uniform purification assembly is arranged, the cooperation of the sprayed tail gas and the impeller is utilized to drive a plurality of spoiler blades to rotate quickly, the pollutants in the tail gas can be uniformly and fully contacted with the three-way catalytic carrier plate, and the tail gas purification effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the automobile engine tail gas purification device.

[0018] Figure 2 It is a schematic view of the convenient dismounting assembly part structure of the automobile engine tail gas purification device.

[0019] Figure 3 It is a schematic view of the tail gas purification cylinder internal part structure of the automobile engine tail gas purification device.

[0020] Figure 4 It is a sectional view of the tail gas purification cylinder of the automobile engine tail gas purification device.

[0021] In the above figure: 1 tail gas purification cylinder, 2 three-way catalyst carrier plate, 3 sliding limit frame, 4 sliding plate, 5 abutting fixed plate, 6 annular rotating support, 7 rotating shaft, 8 impeller, 9 spoiler blade, 10 supporting plate, 11 adjusting screw, 12 concave rotating frame, 13 abutting roller, 14 knob. DETAILED DESCRIPTION

[0022] The technical solutions in the utility model are further described below in combination with the drawings and examples.

[0023] As Figures 1-4 shown in the utility model embodiment, an automobile engine tail gas purification device is provided, which comprises a tail gas purification cylinder 1, two convenient dismounting assemblies and a uniform purification assembly: two three-way catalyst carrier plates 2 are fixedly connected to the inner wall of the tail gas purification cylinder 1, and an installation through hole is formed in the axial side wall of the tail gas purification cylinder 1; each of the two convenient dismounting assemblies comprises a sliding limit frame 3 fixedly connected to the axial outer wall of the tail gas purification cylinder 1, a sliding plate 4 slidably connected in the sliding limit frame 3, an abutting fixed plate 5 fixedly connected to the end of the sliding plate 4, wherein the abutting fixed plate 5 is in an arc-shaped structure and is fixedly connected with an abutting pad on the inner side surface, an abutting driving component is fixedly connected to the outer wall of the sliding limit frame 3, the abutting driving component comprises a supporting plate 10 fixedly connected to the outer wall of the sliding limit frame 3, an adjusting screw 11 threadedly connected through the supporting plate 10, a knob 14 fixedly connected to the end of the adjusting screw 11 away from the abutting fixed plate 5, and the end of the adjusting screw 11 close to the abutting fixed plate 5 is rotatably connected to the outer wall of the abutting fixed plate 5 through a bearing, a plurality of concave rotating frames 12 arranged in an annular equidistant array are fixedly connected to the inner wall of the tail gas purification cylinder 1, an abutting roller 13 is rotatably connected to the concave rotating frame 12, and an abutting ring is sleeved on the outer circumferential wall of the abutting roller 13; the abutting pad and the abutting ring are both made of a metal matrix composite material pad with high elastic modulus;

[0024] The metal matrix composite material pad can withstand a high temperature of 1000 DEG C and has a certain elasticity, and can be highly attached to the outer wall of the engine exhaust pipe;

[0025] The tail gas purification cylinder 1 is sleeved at the engine exhaust pipe port, so that the engine exhaust pipe port can access the inside of the tail gas purification cylinder 1 through the mounting perforation, in the process, the outer wall of the engine exhaust pipe can be relatively rubbed with the plurality of abutting rollers 13, so that the abutting ring can be elastically deformed, and then the plurality of abutting rollers 13 and the abutting ring can preliminarily fix the engine exhaust pipe, then the adjusting screw 11 is driven to rotate by rotating the knob 14, so that the adjusting screw 11 can push or pull the abutting fixing plate 5 to move through the threaded cooperation with the supporting plate 10, and then the two arc-shaped abutting fixing plates 5 can move towards or away from each other, so that the outer wall of the exhaust pipe can be fully abutted and fixed or the fixing of the exhaust pipe is released, so as to quickly complete the connection, installation and disassembly of the tail gas purification cylinder and the exhaust pipe, and improve the use convenience of the tail gas purification device maintenance or replacement.

[0026] As shown in Figure 1 and Figure 4 , the uniform purification assembly includes two annular rotating supports 6 fixedly connected to the inner wall of the tail gas purification cylinder 1, the two rotating supports 1 are rotationally connected with a rotating shaft 7, the outer wall of the rotating shaft 7 is fixedly connected with an impeller 8 and a plurality of spoiler blades 9, and the plurality of spoiler blades 9 are located at the intermediate position of the two three-way catalyst carrier plates 2.

[0027] The exhaust gas sprayed by the engine exhaust pipe can impact the impeller 8 in the tail gas purification cylinder 1, so that the impeller 8 and the rotating shaft 7 begin to rotate, and then the plurality of spoiler blades 9 on the rotating shaft 7 begin to rotate, so that the plurality of spoiler blades 9 can be used to disturb the pollutants in the exhaust gas, so that the pollutants in the exhaust gas can be in uniform and sufficient contact with the three-way catalyst carrier plate 2, and the exhaust gas purification effect is improved.

[0028] The detailed working process of the utility model is as follows:

[0029] 1. In use, first, the tail gas purification cylinder 1 is sleeved at the engine exhaust pipe port, so that the engine exhaust pipe port can access the inside of the tail gas purification cylinder 1 through the mounting perforation, in the process, the outer wall of the engine exhaust pipe can be relatively rubbed with the plurality of abutting rollers 13, so that the abutting ring can be elastically deformed, and then the plurality of abutting rollers 13 and the abutting ring can preliminarily fix the engine exhaust pipe, then the adjusting screw 11 is driven to rotate by rotating the knob 14, so that the adjusting screw 11 can push or pull the abutting fixing plate 5 to move through the threaded cooperation with the supporting plate 10, and then the two arc-shaped abutting fixing plates 5 can move towards or away from each other, so that the outer wall of the exhaust pipe can be fully abutted and fixed or the fixing of the exhaust pipe is released, so as to quickly complete the connection, installation and disassembly of the tail gas purification cylinder and the exhaust pipe, and improve the use convenience of the tail gas purification device maintenance or replacement;

[0030] 2. The exhaust gas emitted from the engine exhaust pipe impacts the impeller 8 inside the exhaust gas purification cylinder 1, causing the impeller 8 and the rotating shaft 7 to start rotating. This causes the minor turbulence blades 9 on the rotating shaft 7 to start rotating, thereby using the rotating minor turbulence blades 9 to turbulent the pollutants in the exhaust gas, so that the pollutants in the exhaust gas can make uniform and sufficient contact with the three-way catalytic converter plate 2, improving the exhaust gas purification effect.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. An exhaust gas purifying apparatus for an automobile engine, characterized by comprising: The utility model relates to a tail gas purification cylinder, which comprises two three-way catalytic carrier plates (2) fixedly connected to the inner wall of the tail gas purification cylinder (1), an installation through hole formed in the axial side wall of the tail gas purification cylinder (1), two convenient dismounting assemblies, each of which comprises a sliding limiting frame (3) fixedly connected to the axial outer wall of the tail gas purification cylinder (1), a sliding plate (4) slidably connected to the sliding limiting frame (3), an abutting fixed plate (5) fixedly connected to the end of the sliding plate (4), and an abutting driving component fixedly connected to the outer wall of the sliding limiting frame (3). The abutting driving component comprises a supporting plate (10) fixedly connected to the outer wall of the sliding limiting frame (3), an adjusting screw (11) threadedly connected to the supporting plate (10), and a knob (14) fixedly connected to the end of the adjusting screw (11) away from the abutting fixed plate (5). The abutting fixed plate (5) is in an arc-shaped structure, and an abutting pad is fixedly connected to the inner side surface of the abutting fixed plate (5). The uniform purification assembly comprises two annular rotating supports (6) fixedly connected to the inner wall of the tail gas purification cylinder (1), a rotating shaft (7) rotatably connected to the two annular rotating supports (6), a impeller (8) and a plurality of turbulence vanes (9) fixedly connected to the outer wall of the rotating shaft (7). A through hole is formed at the central position of each of the two three-way catalytic carrier plates (2), the rotating shaft (7) is matched with the through hole, and the plurality of turbulence vanes (9) are located at the intermediate position of the two three-way catalytic carrier plates (2). The inner wall of the tail gas purification cylinder (1) is fixedly connected to a plurality of concave rotating frames (12) arranged in a ring-shaped equidistant array, the concave rotating frames (12) are rotatably connected to abutting rollers (13), and the abutting rollers (13) are sleeved with abutting rings. The abutting pad and the abutting ring are both made of a metal matrix composite pad with a high elastic modulus. The abutting pad and the abutting ring are both made of a metal matrix composite pad with a high elastic modulus.

2. The exhaust purification device for an automobile engine according to claim 1, wherein ​ ​ 3. The exhaust purification device for an automobile engine according to claim 2, wherein ​ ​

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