CN102294954A

CN102294954A - Automobile

Info

Publication number: CN102294954A
Application number: CN2010102206227A
Authority: CN
Inventors: 宁江清
Original assignee: Beiqi Foton Motor Co Ltd
Current assignee: Beiqi Foton Motor Co Ltd
Priority date: 2010-06-28
Filing date: 2010-06-28
Publication date: 2011-12-28

Abstract

The invention discloses an automobile. The automobile comprises an automobile body (1), an engine postprocessor (2) and a tail pipe (3), wherein the top of the automobile body (1) is provided with a through hole (11), the tail pipe (3) is fixed on the engine postprocessor (2) and extends to the external of the automobile after passing through the through hole (11), and a gap is formed between the tail pipe (3) and an inner periphery of the through hole (11). Since the tail pipe (3) is unnecessary to fix at the top of the automobile body (1), the tail pipe (3) is easier to mount; due to the gap between the tail pipe (3) and the through hole (11) at the top of the automobile body (1), the heat emitted by the engine postprocessor (2) can be easily discharged to the external of the automobile through the gap.

Description

Automobile

Technical field

The present invention relates to a kind of automobile, more specifically, relate to a kind of bus with rear engine.

Background technology

The preprocessor of the driving engine of existing rear-engine car (especially large and medium bus) is divided into inhead type and underneath type usually, for example according to European standard then the preprocessor of driving engine be underneath type, according to the North America standard then the preprocessor of driving engine be inhead type.Preprocessor at driving engine is under the situation of underneath type, and preprocessor is positioned at the vehicle body back upper place, and tail pipe is fixed on the preprocessor and passes the vehicle body top and reach automobile external, and tail pipe also is fixed on the vehicle body top simultaneously.That is, tail pipe also needs to be fixed to the vehicle body top on being fixed to preprocessor, for example, also is fixed to the vehicle body top by flange when tail pipe is welded on the preprocessor, so the installation difficulty of tail pipe.And owing to airtight connection the between tail pipe and the vehicle body top make that preprocessor is difficult for dispelling the heat, can cause problems such as engine bin is overheated.

Summary of the invention

Technical matters to be solved by this invention provides a kind of automobile, and the tail pipe of this automobile is installed simple, and the preprocessor of driving engine dispels the heat easily.

For solving the problems of the technologies described above, the invention provides a kind of automobile, this automobile comprises vehicle body, driving engine preprocessor and tail pipe, wherein, described vehicle body top has through hole, described tail pipe is fixed on the described driving engine preprocessor and passes described through hole and reach automobile external, and has the space between the inner peripheral of described tail pipe and described through hole.

By technique scheme of the present invention, because tail pipe need not to be fixed to the vehicle body top, so tail pipe is installed fairly simple; And owing to have the space between the through hole at tail pipe and vehicle body top, so the heat that the driving engine preprocessor distributes is easy to be discharged into automobile external by this space.

Other features and advantages of the present invention will partly be described in detail in the specific embodiment subsequently.

Description of drawings

Accompanying drawing is to be used to provide further understanding of the present invention, and constitutes the part of specification sheets, is used from explanation the present invention with the specific embodiment of the present invention one, but is not construed as limiting the invention.In the accompanying drawings:

Fig. 1 is the partial schematic diagram according to the vehicle body of the automobile of one embodiment of the present invention;

Fig. 2 is the partial perspective view according to the tail pipe of the automobile of one embodiment of the present invention;

Fig. 3 is according to the driving engine preprocessor of the automobile of one embodiment of the present invention and the scheme of installation of tail pipe;

Fig. 4 is the scheme of installation according to the vehicle body of the automobile of one embodiment of the present invention, driving engine preprocessor and tail pipe;

Fig. 5 is the local amplification stereogram at the top of automobile as shown in Figure 1.

Description of reference numerals

1 vehicle body, 2 driving engine preprocessors

3 tail pipes, 11 through holes

12 beads, 121 installation portions

122 retaining sections, 4 rainhats

5 clips

The specific embodiment

Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated.Should be understood that the specific embodiment described herein only is used for description and interpretation the present invention, is not limited to the present invention.

As Fig. 1, Fig. 4 and shown in Figure 5, the automobile that provides according to one embodiment of the present invention comprises vehicle body 1, driving engine preprocessor 2 and tail pipe 3, wherein, described vehicle body 1 top has through hole 11, described tail pipe 3 is fixed on the described driving engine preprocessor 2 and passes described through hole 11 and reach automobile external, and has the space between the inner peripheral of described tail pipe 3 and described through hole 11.

By technique scheme of the present invention, because tail pipe 3 need not to be fixed to the top of vehicle body 1, so tail pipe 3 is installed fairly simple; And owing to have the space between the through hole 11 at tail pipe 3 and vehicle body 1 top, so the heat that driving engine preprocessor 2 distributes is easy to be discharged into automobile external by this space.

Preferably, as Fig. 1, Fig. 4 and shown in Figure 5, the periphery of described through hole 11 can have from the bead 12 of described vehicle body 1 top to upper process.Thereby the foreign material such as rainwater that can prevent the vehicle body top are by in the described through hole 11 inflow engine storehouses.This bead 12 is provided with along inside circumference one circle of described through hole 11, and this bead 12 can be provided with as the case may be to the height of upper process.This bead 12 can be integrally formed on the vehicle body, also can be used as independent parts and is fixed to the top of vehicle body 1.For example as Fig. 1, Fig. 4 and shown in Figure 5, this bead 12 can comprise installation portion 121 and with the retaining section 122 of these installation portion 121 approximate vertical, described installation portion 121 is fixed on the periphery of the described through hole 11 at described vehicle body 1 top.Described installation portion 121 can be various suitable shapes, for example is roughly planar annular as shown in the figure.

Preferably, to shown in Figure 5, described automobile also comprises rainhat 4 as Fig. 2, and this rainhat 4 is fixed on the described tail pipe 3 and is positioned at described through hole 11 tops.This rainhat 4 can prevent that rainwater from falling in the engine bin of automobile from described through hole 11, and does not hinder the heat radiation of driving engine preprocessor 2.Preferably, can have described bead 12 and described rainhat 4 simultaneously according to automobile of the present invention, this moment, described rainhat 4 was positioned at the top of described bead 12, thereby can prevent effectively that foreign material such as rainwater from entering in the engine bin, and did not hinder the heat radiation of driving engine preprocessor 2.

Described rainhat 4 can adopt various suitable shapes, the circle that adapts with described through hole 11 for example, and this moment, the external diameter of rainhat 4 should be greater than the aperture of described through hole 11, thereby prevented that rainwater from falling in the engine bin of automobile from described through hole 11.Certainly rainhat 4 also can adopt other shape, and for example ellipse, rectangle, polygon etc. need only rainhat 4 and can cover described through hole 11, just can reach to prevent that rainwater from falling into the effect in the engine bin of automobile from described through hole 11.

Described rainhat 4 can be installed on the tail pipe 3 by various suitable modes, and for example as a kind of concrete embodiment, the center of described rainhat 4 has mounting hole, and described rainhat 4 is enclosed within on the described tail pipe 3 by described mounting hole.Rainhat 4 can adopt various known modes to captive joint with tail pipe 3, for example bonding, welding, clamping, interference fit etc.

Described tail pipe 3 can be fixed on the described driving engine preprocessor 2 for example flange connection, grafting, welding etc. by variety of way.As a kind of concrete embodiment, to shown in Figure 5, described tail pipe 3 is fixed on the described driving engine preprocessor 2 by clip 5 as Fig. 3.For example, can earlier tail pipe 3 be plugged on the driving engine preprocessor 2, make clip 5 then around this plugging position, and with fasteners such as bolts that clip 5 is fastening, thus make tail pipe 3 be securely fixed on the driving engine preprocessor 2.

Such scheme of the present invention goes for various rear-engine cars, especially big-and-middle-sized bus with rear engine.

Need to prove that each the concrete technical characterictic described in the above-mentioned specific embodiment can carry out combination in any by any suitable manner, it falls within the scope disclosed in this invention equally.In addition, also can carry out combination in any between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.

Below describe preferred implementation of the present invention in conjunction with the accompanying drawings in detail; but; the present invention is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.

Claims

1. automobile, this automobile comprises vehicle body (1), driving engine preprocessor (2) and tail pipe (3), it is characterized in that, described vehicle body (1) top has through hole (11), described tail pipe (3) is fixed on described driving engine preprocessor (2) and goes up and pass described through hole (11) and reach automobile external, and has the space between the inner peripheral of described tail pipe (3) and described through hole (11).

2. automobile according to claim 1 is characterized in that, the periphery of described through hole (11) has from the bead (12) of described vehicle body (1) top to upper process.

3. automobile according to claim 2, it is characterized in that, described bead (12) comprises installation portion (121) and the retaining section (122) vertical with this installation portion (121), and described installation portion (121) is fixed on the periphery of the described through hole (11) at described vehicle body (1) top.

4. automobile according to claim 1 is characterized in that, described automobile also comprises rainhat (4), and this rainhat (4) is fixed on the described tail pipe (3) and is positioned at described through hole (11) top.

5. automobile according to claim 2 is characterized in that, described automobile also comprises rainhat (4), and this rainhat (4) is fixed on the described tail pipe (3) and is positioned at described bead (12) top.

6. according to claim 4 or 5 described automobiles, it is characterized in that described rainhat (4) is circular.

7. according to claim 4 or 5 described automobiles, it is characterized in that the center of described rainhat (4) has mounting hole, described rainhat (4) is enclosed within on the described tail pipe (3) by described mounting hole.

8. automobile according to claim 1 is characterized in that, described tail pipe (3) is fixed on the described driving engine preprocessor (2) by clip (5).

9. automobile according to claim 1 is characterized in that, described automobile is a bus with rear engine.