CN208669402U - A kind of tailpipe assembly with heat insulation function - Google Patents

Abstract

The utility model discloses a kind of tailpipe assembly with heat insulation function, including ternary catalyzing unit, the first insulating layer, the second insulating layer, the first muffler, the second muffler, second insulating layer is provided with below the ternary catalyzing unit, first insulating layer is provided with above the ternary catalyzing unit, temperature sensor is provided with above first insulating layer, first insulating layer and second insulating layer front are provided with mounting plate, and first insulating layer and second insulating layer rear portion are provided with connects hinge.Beneficial effect is: the utility model structure is reasonable in design, and insulating layer is arranged to two parts, is attached using connects hinge, not only package is tight, but also is easily installed, and the first insulating layer and the second insulating layer are fixed using fixing bolt, it is completely embedded, is not easily susceptible to damage.

Description

A kind of tailpipe assembly with heat insulation function

Technical field

The utility model relates to exhaust tail pipe of automobile fields, total more particularly to a kind of tailpipe with heat insulation function At.

Background technique

Energy and environment are that auto industry develops two faced big projects in 21 century, with the rapid hair of auto industry Exhibition, automobile noise and exhaust pollution problem are got worse, and Hyundai Motor are designed, especially in the design of exhaust system, more Fill the design of emission reduction and vibration damping again.

Since standard of the environmental regulation to vehicle blowdown is quite harsh, no matter idling, accelerating, running at a low speed, running at high speed Or slow down, it is necessary to meet pollution emission standard, vehicle is put down under so harsh limitation in addition to obtaining in performance and blowdown Weighing apparatus point is outer, and unique method is exactly to install catalyst, however, to ensure that purification of the catalytic converter to vehicle exhaust Degree, it is necessary to which the temperature for ensuring vehicle exhaust, therefore, it is necessary to tailpipes to have the function of heat preservation.

Tailpipe before is to be kept the temperature using the method for anti-guncotton package automobile tail pipe to automobile tail pipe mostly Processing, this method cannot very strict package automobile tail pipe, and anti-guncotton is also easy to be damaged.

Utility model content

The purpose of this utility model is that solve the above-mentioned problems and provides a kind of exhaust tail with heat insulation function Pipe assembly, the utility model structure is reasonable in design, and insulating layer is arranged to two parts, is attached using connects hinge, Not only package is tight, but also is easily installed, and the first insulating layer and the second insulating layer are fixed using fixing bolt, and connection is tight It is close, it is not easily susceptible to damage.

The utility model achieves the above object through the following technical schemes:

A kind of tailpipe assembly with heat insulation function, including ternary catalyzing unit, the first insulating layer, the second insulating layer, First muffler, the second muffler, are provided with second insulating layer below the ternary catalyzing unit, on the ternary catalyzing unit Side is provided with first insulating layer, is provided with temperature sensor, the type of the temperature sensor above first insulating layer It number is SA-SE60A, first insulating layer and second insulating layer front are provided with mounting plate, first insulating layer Second insulating layer rear portion is provided with connects hinge, first insulating layer and second insulating layer pass through the connection Hinge connection, so set, being provided on the mounting plate convenient for first insulating layer and described second are kept the temperature layer open Fixing bolt, the ternary catalyzing unit are internally provided with the second catalyzed filter element, and second catalyzed filter element side is provided with first Catalyzed filter element, second catalyzed filter element other side are provided with third catalyzed filter element, and first insulating layer side is provided with solid Determine flange, first insulating layer other side is provided with first muffler, first muffler and the three-element catalytic Device is connected by pipeline, so set, disappearing convenient for conveying the cleaned vehicle exhaust of the ternary catalyzing unit into described first In sound device, first muffler is internally provided with hush pipe, side of first muffler far from first insulating layer It is provided with and is flexible coupling, the side far from first muffler that is flexible coupling is provided with appendix, and the appendix is far from institute It states the one end being flexible coupling and is provided with connecting flange, the connecting flange is provided with described second far from the side of the appendix and disappears Sound device is provided with air inlet pipe between second muffler and the connecting flange, second muffler is far from the air inlet The side of pipe is provided with escape pipe, and second muffler is internally provided with fixed plate, and second is provided in the fixed plate and is disappeared Sound tube.

So set, structure is reasonable in design, insulating layer is arranged to two parts, is connected using the connects hinge It connects, not only package is tight, but also is easily installed, using the fixing bolt by first insulating layer and second insulating layer It is fixed, is completely embedded, be not easily susceptible to damage.

In above structure, first insulating layer and second insulating layer are mounted on the ternary catalyzing unit first Outside carries out isothermal holding to the ternary catalyzing unit, improves the degree of purification of the ternary catalyzing unit processing vehicle exhaust, then It is bolted and the mounting flange is fixed on the exhaust manifold of automobile, the vehicle exhaust in exhaust manifold is first First catalyzed filter element, second catalyzed filter element and institute into the ternary catalyzing unit, in the ternary catalyzing unit State third catalyzed filter element successively to vehicle exhaust carry out purified treatment, by the processed vehicle exhaust of the ternary catalyzing unit into Enter in first muffler, the hush pipe in first muffler first carries out vehicle exhaust at preliminary noise elimination Reason, by the processed vehicle exhaust of first muffler pass through described in be flexible coupling, the appendix and the air inlet pipe It enters in second muffler, second hush pipe in second muffler again carries out vehicle exhaust second Noise reduction processing, finally, by noise reduction handle and purify vehicle exhaust be discharged through the escape pipe, wherein it is described to be flexible coupling The vibration deformation of tailpipe while the car is driving can be slowed down.

Further, the air inlet pipe is connect with the appendix by the connecting flange.

So set, being connected the air inlet pipe and the appendix by the connecting flange, only needing will be described Bolt on connecting flange unloads, and can split the air inlet pipe and the appendix, also only need to be by the company when installation Bolt on acting flange is fixed, and can fix the air inlet pipe and appendix installation.

Further, described appendix one end is welded on the connecting flange, the other end be welded on it is described be flexible coupling on, It is described be flexible coupling connect with first muffler by pipeline, the hush pipe, which is connected by screw to, to be fixed on described first and disappears Inside sound device.

So set, the appendix can be firmly fixed to the connecting flange by welding and described be flexible coupling Between, pipeline connection can will eliminate the noise by first muffler processed vehicle exhaust convey into it is described be flexible coupling in, The hush pipe can be firmly fixed to inside first muffler by screw connection, enhance the work of first muffler Make reliability.

Further, first catalyzed filter element, second catalyzed filter element and the third catalyzed filter element pass through card slot It is fastened in the ternary catalyzing unit.

So set, convenient for fixed first catalyzed filter element, second catalyzed filter element and the third catalyzed filter element Relative position inside the ternary catalyzing unit is also convenient for replacing or install first catalyzed filter element, described second urges Change filter core and the third catalyzed filter element.

Further, the escape pipe is connected through a screw thread the one end for being fixed on second muffler, the air inlet pipe It is connected through a screw thread the other end for being fixed on second muffler.

The air inlet pipe and the escape pipe are fixed on second muffler so set, can be connected through a screw thread Two sides, the air inlet pipe is conveyed without the vehicle exhaust that second muffler is handled into second muffler, It is discharged again the processed vehicle exhaust of the second muffler is passed through through the escape pipe.

Further, the fixed plate is fixed by welding in inside second muffler, and second hush pipe is logical Screw connection is crossed to be mounted in the fixed plate.

So set, the fixed plate can be firmly fixed to inside second muffler by welding, it first will be described Fixed plate is fixed, and the fixed plate could be utilized to go to fix second hush pipe.

Compared with prior art, the beneficial effects of the utility model are as follows:

1, reasonable in design, insulating layer is arranged to two parts, is attached using connects hinge, not only package is tight It is close, and be easily installed；

2, the first insulating layer and the second insulating layer are fixed using fixing bolt, are completely embedded, be not easily susceptible to damage.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of schematic diagram of internal structure of tailpipe assembly with heat insulation function described in the utility model；

Fig. 2 is a kind of main view of tailpipe assembly with heat insulation function described in the utility model；

Fig. 3 is a kind of top view of tailpipe assembly with heat insulation function described in the utility model；.

The reference numerals are as follows:

1, ternary catalyzing unit；2, the first insulating layer；3, the second insulating layer；4, the first muffler；5, the second muffler；6, One catalyzed filter element；7, the second catalyzed filter element；8, third catalyzed filter element；9, mounting plate；10, mounting flange；11, the first hush pipe； 12, connecting flange；13, air inlet pipe；14, escape pipe；15, the second hush pipe；16, fixed plate；17, fixing bolt；18, temperature sense Answer device；19, connects hinge；20, appendix；21, it is flexible coupling.

Specific embodiment

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result, Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another It is described, the meaning of " plurality " is two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition State the concrete meaning of term in the present invention.

The utility model is described in further detail with reference to the accompanying drawing.

First embodiment:

As shown in Figure 1-Figure 3, a kind of tailpipe assembly with heat insulation function, including ternary catalyzing unit 1, first are kept the temperature Layer the 2, second insulating layer 3, the first muffler 4, the second muffler 5, are provided with the second insulating layer 3 below ternary catalyzing unit 1, and second Insulating layer 3 is provided with the first guarantor to be kept the temperature with the first insulating layer 2 with being combined into ternary catalyzing unit 1 above ternary catalyzing unit 1 Warm layer 2, the first insulating layer 2 is to cooperate with the second insulating layer 3 to keep the temperature to ternary catalyzing unit 1,2 top of the first insulating layer It is provided with temperature sensor 18, the model of temperature sensor 18 is SA-SE60A, and temperature sensor 18 is to detect three-element catalytic The temperature of vehicle exhaust in device 1, the first insulating layer 2 and 3 front of the second insulating layer are provided with mounting plate 9,2 He of the first insulating layer Second insulating layer, 3 rear portion is provided with connects hinge 19, and the first insulating layer 2 is connect with the second insulating layer 3 by connects hinge 19, such as This setting, convenient for opening the first insulating layer 2 and the second insulating layer 3, is provided with fixing bolt 17, fixing bolt on mounting plate 9 17 are firmly fixed to ternary catalyzing unit 1 mounting plate 9 to be fixed, by the first insulating layer 2 and the second insulating layer 3 Outside, ternary catalyzing unit 1 are internally provided with the second catalyzed filter element 7, the second catalyzed filter element 7 to handle vehicle exhaust, Second catalyzed filter element, 7 side is provided with the first catalyzed filter element 6, and the first catalyzed filter element 6 is to handle vehicle exhaust, and second 7 other side of catalyzed filter element is provided with third catalyzed filter element 8, and to handle vehicle exhaust, first protects third catalyzed filter element 8 Warm 2 side of layer is provided with mounting flange 10, and for mounting flange 10 to connect the exhaust manifold on automobile, the first insulating layer 2 is another Side is provided with the first muffler 4, and the first muffler 4 is handled to carry out preliminary noise reduction to vehicle exhaust, the first muffler 4 with Ternary catalyzing unit 1 is connected by pipeline, so set, convenient for conveying the cleaned vehicle exhaust of ternary catalyzing unit 1 into first In muffler 4, the first muffler 4 is internally provided with hush pipe 11, and hush pipe 11 is to handle vehicle exhaust, the first muffler 4 Side far from the first insulating layer 2, which is provided with, is flexible coupling 21, and be flexible coupling 21 vibration deformation to slow down tailpipe pipeline, soft 21 sides far from the first muffler 4 of connection are provided with appendix 20, and for appendix 20 to convey automobile air, appendix 20 is remote From being flexible coupling, 21 one end is provided with connecting flange 12, and connecting flange 12 is to connecting gas transmission pipe 20 and air inlet pipe 13, connection method Blue 12 sides far from appendix 20 are provided with the second muffler 5, and the second muffler 5 is to carry out secondary noise elimination to vehicle exhaust Processing, is provided with air inlet pipe 13, air inlet pipe 13 is to defeated into the second muffler 5 between the second muffler 5 and connecting flange 12 Vehicle exhaust is sent, the second muffler 5 is provided with escape pipe 14 far from the side of air inlet pipe 13, and escape pipe 14 is to transport process mistake Vehicle exhaust, the second muffler 5 is internally provided with fixed plate 16, the second hush pipe 15 is provided in fixed plate 16.

Second embodiment:

The difference of second embodiment and first embodiment is: air inlet pipe 13 is connected with appendix 20 by connecting flange 12 It connects.

Specifically, air inlet pipe 13 and appendix 20 are connected by connecting flange 12, it only need to will be on connecting flange 12 Bolt unload, air inlet pipe 13 and appendix 20 can be split, when installation, also only need to by the bolt on connecting flange 12 into Row is fixed, and can fix air inlet pipe 13 and the installation of appendix 20.

3rd embodiment:

The difference of 3rd embodiment and first embodiment is: 20 one end of appendix is welded on connecting flange 12, another End is welded on and is flexible coupling on 21, and being flexible coupling 21 is connect with the first muffler 4 by pipeline, and hush pipe 11 is connected by screw to fixation Inside the first muffler 4.

Specifically, appendix 20 can be firmly fixed to connecting flange 12 and be flexible coupling between 21 by electricity by welding, The pipeline connection processed vehicle exhaust that can will eliminate the noise by the first muffler 4 is conveyed into being flexible coupling in 21, and screw connects energy It is enough that hush pipe 11 is firmly fixed to inside the first muffler 4, enhance the functional reliability of the first muffler 4.

Working principle: the first insulating layer 2 and the second insulating layer 3 are mounted on to the outside of ternary catalyzing unit 1 first, to ternary Catalyst converter 1 carries out isothermal holding, improves ternary catalyzing unit 1 and handles the degree of purification of vehicle exhaust, then being bolted will be solid To determine flange 10 to be fixed on the exhaust manifold of automobile, the vehicle exhaust in exhaust manifold initially enters in ternary catalyzing unit 1, The first catalyzed filter element 6, the second catalyzed filter element 7 and third catalyzed filter element 8 in ternary catalyzing unit 1 successively carry out vehicle exhaust net Change processing, enters in the first muffler 4 by the processed vehicle exhaust of ternary catalyzing unit 1, the hush pipe in the first muffler 4 11, which first carry out preliminary noise elimination to vehicle exhaust, is handled, by the processed vehicle exhaust of the first muffler 4 by being flexible coupling 21, Appendix 20 and air inlet pipe 13 enter in the second muffler 5, and the second hush pipe 15 in the second muffler 5 is again to car tail Gas carries out secondary noise reduction processing, finally, the vehicle exhaust for handling and purifying by noise reduction is discharged through escape pipe 14, wherein Be flexible coupling 21 can slow down tailpipe while the car is driving vibration deformation.

The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change And improvement, these various changes and improvements fall within the scope of the claimed invention.

Claims (6)

1. a kind of tailpipe assembly with heat insulation function, it is characterised in that: including ternary catalyzing unit, the first insulating layer, Two insulating layers, the first muffler, the second muffler, are provided with second insulating layer below the ternary catalyzing unit, and described three It is provided with first insulating layer above first catalyst converter, is provided with temperature sensor above first insulating layer, described first Insulating layer and second insulating layer front are provided with mounting plate, and first insulating layer and second insulating layer rear portion are set It is equipped with connects hinge, first insulating layer is connect with second insulating layer by the connects hinge, on the mounting plate It is provided with fixing bolt, the ternary catalyzing unit is internally provided with the second catalyzed filter element, the setting of second catalyzed filter element side There is the first catalyzed filter element, second catalyzed filter element other side is provided with third catalyzed filter element, and first insulating layer side is set It is equipped with mounting flange, first insulating layer other side is provided with first muffler, first muffler and described three First catalyst converter is connected by pipeline, and first muffler is internally provided with hush pipe, and first muffler is far from described the The side of one insulating layer, which is provided with, to be flexible coupling, and the side far from first muffler that is flexible coupling is provided with appendix, institute It states appendix and described one end being flexible coupling is provided with connecting flange, the connecting flange is set far from the side of the appendix It is equipped with second muffler, air inlet pipe, second noise reduction are provided between second muffler and the connecting flange Device is provided with escape pipe far from the side of the air inlet pipe, and second muffler is internally provided with fixed plate, the fixed plate On be provided with the second hush pipe.

2. a kind of tailpipe assembly with heat insulation function according to claim 1, it is characterised in that: the air inlet pipe It is connect with the appendix by the connecting flange.

3. a kind of tailpipe assembly with heat insulation function according to claim 1, it is characterised in that: the appendix One end is welded on the connecting flange, the other end be welded on it is described be flexible coupling on, it is described to be flexible coupling and first muffler It is connected by pipeline, the hush pipe, which is connected by screw to, to be fixed on inside first muffler.

4. a kind of tailpipe assembly with heat insulation function according to claim 1, it is characterised in that: described first urges Change filter core, second catalyzed filter element and the third catalyzed filter element to be fastened in the ternary catalyzing unit by card slot.

5. a kind of tailpipe assembly with heat insulation function according to claim 1, it is characterised in that: the escape pipe It is connected through a screw thread the one end for being fixed on second muffler, the air inlet pipe, which is connected through a screw thread, to be fixed on described second and disappear The other end of sound device.

6. a kind of tailpipe assembly with heat insulation function according to claim 1, which is characterized in that the fixed plate It is fixed by welding in inside second muffler, second hush pipe, which is connected by screw to, is mounted on the fixed plate On.