CN214464510U

CN214464510U - Vehicle and exhaust pipe thereof

Info

Publication number: CN214464510U
Application number: CN202120365865.3U
Authority: CN
Inventors: 曹海青; 郭俊婷
Original assignee: Beijing Foton Daimler Automobile Co Ltd
Current assignee: Beijing Foton Daimler Automobile Co Ltd
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2021-10-22
Anticipated expiration: 2031-02-09

Abstract

The utility model discloses a vehicle and blast pipe thereof, the blast pipe includes: and the air outlet ends of the exhaust pipe sections positioned at the upstream of the exhaust pipe are inserted into the air inlet ends of the exhaust pipe sections positioned at the downstream of the exhaust pipe in the exhaust direction. The exhaust pipe with the structure can solve the problems of difficulty in assembly process, high failure rate, high cost and the like of a long exhaust pipeline, and is simple in structure, easy to arrange, low in failure rate and low in cost.

Description

Vehicle and exhaust pipe thereof

Technical Field

The utility model relates to the technical field of vehicles, especially, relate to a vehicle and blast pipe thereof.

Background

In order to meet the requirements of six national emissions, a PM (Particulate matter) particle trap DPF (Diesel Particulate trap) unit is added in an exhaust system, the exhaust temperature during DPF regeneration reaches about 600 ℃, and in order to ensure that the exhaust does not damage peripheral parts at high temperature, a long exhaust tail pipe needs to be designed to be led from one side of a frame to the other side of the frame.

In the related art, manufacturers generally adopt an integral exhaust pipe, but the problems caused by the adoption of the integral exhaust pipe are that a long tail pipe is inconvenient to assemble, the rigidity is poor, the integral exhaust pipe is easy to damage, and the integral exhaust pipe is inconvenient to assemble. In order to solve the deformation problem in the driving process, a flexible hose is needed in the middle of the exhaust pipe, the flexible hose is easy to damage parts and is high in price, and therefore the fault rate of the whole exhaust pipe is increased, and the cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide an exhaust pipe, which has a simple structure, a low failure rate and a low cost.

The utility model discloses a vehicle is further proposed.

According to the utility model discloses vehicle blast pipe of first aspect embodiment, including two at least exhaust pipe sections, in the exhaust direction, be located the exhaust upstream exhaust pipe section's the end of giving vent to anger pegs graft and be located the exhaust downstream in exhaust pipe section's the inlet end.

From this, the blast pipe that so sets up can solve long exhaust pipe assembly process difficulty, fault rate height and with high costs scheduling problem, can be so that blast pipe simple structure easily arranges, and the fault rate is low, and is with low costs.

In some embodiments, an outlet end of the exhaust pipe section upstream of the exhaust gas and an inlet end of the exhaust pipe section downstream of the exhaust gas are clearance fit.

In some embodiments, the exhaust pipe includes a first exhaust pipe section, a second exhaust pipe section, and a third exhaust pipe section, the air inlet end of the first exhaust pipe section is a filter connection end, and the air outlet end is inserted into the air inlet end of the second exhaust pipe section, the air outlet end of the second exhaust pipe section is inserted into the air inlet end of the third exhaust pipe section, and the air outlet end of the third exhaust pipe section is the air outlet end of the exhaust pipe.

In some embodiments, the air outlet end of the first air outlet pipe section is arranged in a bent mode relative to the air inlet end.

In some embodiments, an inner diameter of an inlet end of the first exhaust pipe section is greater than an inner diameter of an outlet end of the first exhaust pipe section.

In some embodiments, the second exhaust pipe section comprises: the air outlet end of the first exhaust pipe section is connected with the air inlet end of the equal-diameter section in an inserting mode, and the air outlet end of the variable-diameter section is connected with the air inlet end of the third exhaust pipe section in an inserting mode.

In some embodiments, the third exhaust pipe section comprises: the exhaust pipe comprises a first straight pipe section and a second straight pipe section, wherein the air outlet end of the second exhaust pipe section is inserted into the air inlet end of the first straight pipe section, and the first straight pipe section and the second straight pipe section are arranged in a bending mode.

In some embodiments, frame mounts are provided on the second and third exhaust pipe sections.

In some embodiments, the first, second, and third exhaust pipe segments are all metal pipe segments.

An embodiment of a second aspect of the present invention provides a vehicle, including: a frame; the filter is arranged at the bottom of the frame; the exhaust pipe of the vehicle is arranged at the bottom of the frame, and the air inlet end of the exhaust pipe is communicated with the filter.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a sectional view of an exhaust pipe according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of a connection portion of a first exhaust duct section and a second exhaust duct section according to an embodiment of the present invention.

Fig. 3 is a cross-sectional view of a second exhaust pipe section and a third exhaust pipe section connection according to an embodiment of the present invention.

Reference numerals:

an exhaust pipe 10;

a first exhaust pipe section 1; a second exhaust pipe section 2; a constant diameter section 21; a reducer section 22; a third exhaust pipe section 3; a first straight tube section 31; a second straight tube section 32.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

An exhaust pipe 10 of a vehicle according to an embodiment of the first aspect of the present invention, which solves problems of difficulty in a long exhaust pipe assembly process, high failure rate, high cost, and the like, is described below with reference to the accompanying drawings.

As shown in fig. 1, an exhaust pipe 10 according to an embodiment of the present invention includes: and the air outlet ends of the exhaust pipe sections positioned at the upstream of the exhaust pipe are inserted into the air inlet ends of the exhaust pipe sections positioned at the downstream of the exhaust pipe in the exhaust direction. It can be understood that the utility model discloses an exhaust pipe 10 has adopted the sectional type structure, compares in traditional integral blast pipe, through segmenting exhaust pipe 10, has made things convenient for the installation of blast pipe 10 fixed like this, and adjacent exhaust pipe section grafting cooperation need not clamp fixed connection to carry out fixed connection with the different positions of vehicle, the blast pipe 10 that so sets up has moreover still simplified manufacturing process, has also reduced manufacturing cost simultaneously. In addition, the exhaust pipe 10 can be assembled simply and reliably by adopting a plug-in fit mode.

In addition, the air outlet end of the upstream exhaust pipe section is inserted at the air inlet end of the downstream exhaust pipe section, so that the leakage of the tail gas can be avoided to at least a certain extent, and the normal emission of the tail gas can be ensured.

Therefore, according to the utility model discloses blast pipe 10 through setting up the complex exhaust pipe section of pegging graft, can simplify manufacturing process, can carry out the extension of adaptability in the vehicle bottom, can guarantee the normal emission of tail gas moreover.

According to an alternative embodiment of the present invention, as shown in fig. 2 and 3, the outlet end of the exhaust pipe section located upstream of the exhaust gas and the inlet end of the exhaust pipe section located downstream of the exhaust gas are clearance fitted. The assembly between two adjacent exhaust pipes adopts a connection mode of insertion, non-contact and no clamp fastening, and a gap is formed between two insertion ends, so that enough mutual deformation and vibration isolation space can be formed between the two insertion ends, the problem of deformation of the exhaust pipe 10 in the driving process can be solved, and the need of using a flexible hose can be avoided. Because the exhaust pipe 10 does not need a flexible hose, the cost and loss problems caused by the use of the flexible hose can be reduced, so that the service life of the exhaust pipe 10 can be ensured, and the purchase cost of the whole vehicle can be reduced.

According to an embodiment of the present invention, as shown in fig. 1, an exhaust pipe 10 of a vehicle includes: the exhaust pipe comprises a first exhaust pipe section 1, a second exhaust pipe section 2 and a third exhaust pipe section 3, wherein the first exhaust pipe section 1, the second exhaust pipe section 2 and the third exhaust pipe section 3 are sequentially matched in an inserted manner in the exhaust direction. The air inlet end of the first exhaust pipe section 1 is a filter connecting end, and as shown in fig. 2 and fig. 3, the air outlet end of the first exhaust pipe section 1 is inserted into the air inlet end of the second exhaust pipe section 2, the air outlet end of the second exhaust pipe section 2 is inserted into the air inlet end of the third exhaust pipe section 3, and the air outlet end of the third exhaust pipe section 3 is the air outlet end of the exhaust pipe 10. The plug-in connection is carried out in sequence, so that the assembly on the whole vehicle is facilitated. Moreover, the exhaust pipe 10 is provided with three exhaust pipe sections, so that the overall length of the exhaust pipe 10 can be effectively ensured, the extension of the exhaust pipe 10 at the bottom of the vehicle can be facilitated, and the exhaust pipe is beneficial to exhaust emission.

Alternatively, as shown in fig. 1, the air outlet end of the first air outlet pipe section 1 is bent relative to the air inlet end. In order to ensure that the tail gas does not damage peripheral parts at high temperature, the exhaust pipe is led from one side of the frame to the other side of the frame, and the air outlet end of the first exhaust pipe section 1 is bent, so that the exhaust pipe 10 is more convenient to install.

As shown in fig. 1, the inner diameter of the gas inlet end of the first gas exhaust pipe section 1 is larger than the inner diameter of the gas outlet end of the first gas exhaust pipe section 1. The design that the inner diameter of the air inlet end is larger than that of the air outlet end can effectively reduce the air pressure of tail gas, slow down the exhaust speed of the tail gas and facilitate the effective heat dissipation of the tail gas during exhaust.

Specifically, as shown in fig. 1, the second exhaust pipe section 2 includes: the constant diameter section 21 and the reducing section 22, the air outlet end of the first exhaust pipe section 1 is inserted into the air inlet end of the constant diameter section 21, and the air outlet end of the reducing section 22 is inserted into the air inlet end of the third exhaust pipe section 3. The arrangement of the constant diameter section 21 and the reducing section 22 makes the second exhaust pipe section 2 more convenient when the frame is installed. The inner diameter of the reducing section 22 increases in the exhaust direction, so that the butt joint with the third exhaust pipe section 3 is facilitated.

In an embodiment, the third exhaust pipe section 3 comprises: the gas outlet end of the second gas exhaust pipe section is inserted into the gas inlet end of the first straight pipe section 31, and the first straight pipe section 31 and the second straight pipe section 32 are arranged in a bending mode. The bending arrangement of the first straight pipe section 31 and the second straight pipe section 32 facilitates the installation of the third exhaust pipe section 3 on the frame. The bending positions of the first straight pipe section 31 and the second straight pipe section 32 are arc-shaped, namely, the first straight pipe section and the second straight pipe section are in arc-shaped transition connection, so that the third exhaust pipe section 3 is high in structural reliability, and tail gas emission is smooth.

In the embodiment, the second exhaust pipe section 2 and the third exhaust pipe section 3 are provided with frame fixing members. The frame fixing piece on the exhaust pipe 10 facilitates assembly on the whole vehicle, the assembly quality is easy to guarantee, the service life of parts is prolonged, and the cost of the whole vehicle is reduced. The frame fixing piece can be a bracket with a mounting hole, and the bracket is fixed at the bottom of the frame after the fastener passes through the mounting hole, so that the mounting and fixing mode is simple and reliable. Wherein, the air inlet end of the first exhaust pipe section 1 is connected with the filter to complete the fixation.

Alternatively, the first exhaust pipe section 1, the second exhaust pipe section 2 and the third exhaust pipe section 3 are all metal pipe sections. The structural strength of blast pipe can be guaranteed to the metal material, and the radiating effect of metal material is better than other materials simultaneously.

According to the utility model discloses vehicle of second aspect embodiment includes: the exhaust pipe of the above embodiment, the filter is arranged at the bottom of the vehicle frame, the exhaust pipe 10 is arranged at the bottom of the vehicle frame, and the air inlet end of the exhaust pipe 10 is communicated with the filter. The exhaust pipe 10 can solve the problems of difficulty in assembly process, high failure rate, high cost and the like of a long exhaust pipeline, and the exhaust pipe is simple in structure, easy to arrange, low in failure rate and low in cost.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An exhaust pipe for a vehicle, characterized by comprising: and the air outlet ends of the exhaust pipe sections positioned at the upstream of the exhaust pipe are inserted into the air inlet ends of the exhaust pipe sections positioned at the downstream of the exhaust pipe in the exhaust direction.

2. The exhaust pipe of a vehicle according to claim 1, wherein an outlet end of the exhaust pipe section located upstream of exhaust gas and an inlet end of the exhaust pipe section located downstream of exhaust gas are clearance fitted.

3. The exhaust pipe of a vehicle according to claim 1, wherein the at least two exhaust pipe sections include: the air inlet end of the first exhaust pipe section is a filter connecting end, the exhaust end of the first exhaust pipe section is connected into the air inlet end of the second exhaust pipe section in an inserting mode, the air outlet end of the second exhaust pipe section is connected into the air inlet end of the third exhaust pipe section in an inserting mode, and the air outlet end of the third exhaust pipe section is the air outlet end of the exhaust pipe.

4. The exhaust pipe of a vehicle according to claim 3, wherein the outlet end of the first exhaust pipe section is bent with respect to the inlet end.

5. The exhaust pipe of a vehicle according to claim 3, wherein an inner diameter of an inlet end of the first exhaust pipe section is larger than an inner diameter of an outlet end of the first exhaust pipe section.

6. The exhaust pipe of a vehicle according to claim 3, wherein the second exhaust pipe section includes: the air outlet end of the first exhaust pipe section is connected with the air inlet end of the equal-diameter section in an inserting mode, and the air outlet end of the variable-diameter section is connected with the air inlet end of the third exhaust pipe section in an inserting mode.

7. The exhaust pipe of a vehicle according to claim 3, wherein the third exhaust pipe section includes: the exhaust pipe comprises a first straight pipe section and a second straight pipe section, wherein the air outlet end of the second exhaust pipe section is inserted into the air inlet end of the first straight pipe section, and the first straight pipe section and the second straight pipe section are arranged in a bending mode.

8. The exhaust pipe of a vehicle according to claim 3, wherein frame fixing members are provided on the second exhaust pipe section and the third exhaust pipe section.

9. The exhaust pipe of a vehicle according to claim 3, wherein the first exhaust pipe section, the second exhaust pipe section, and the third exhaust pipe section are all metal pipe sections.

10. A vehicle, characterized by comprising:

a frame;

the filter is arranged at the bottom of the frame;

the exhaust pipe for a vehicle according to any one of claims 1 to 9, which is provided at a bottom of the frame and has an intake end communicating with the filter.