CN208734414U - Automobile exhaust pipe and automobile - Google Patents

Abstract

The utility model relates to field of automobile, a kind of automobile exhaust pipe and automobile are provided.The automobile exhaust pipe includes: preceding segment pipe, middle segment pipe, end pipeline and two connection structures, includes at least first connection structure in two connection structures.Wherein, first connection structure includes the first connector and the second connector, first connector is set on the outer peripheral surface at the nozzle of first pipe and being capable of circumferentially rotating along first pipe, one end of second connector is set on the outer peripheral surface at the nozzle of second pipe and is fixedly connected with second pipe, and the other end of the second connector extends to the direction far from second pipe.First pipe and second pipe are docked by the outer surface of the first connector with being threadedly engaged for the inner surface of the second connector, wherein the segment pipe in first pipe and second pipe two segment pipes respectively to be connected.The automobile exhaust pipe simple and stable structure is easy assembling.

Description

Automobile exhaust pipe and automobile

Technical field

The utility model relates to field of automobile, a kind of automobile exhaust pipe and automobile are provided.

Background technique

Exhaust pipe is a part of engine exhaust system, and exhaust system mainly includes exhaust manifold, exhaust pipe and noise reduction The ternary catalyzing unit of device, generally control engine pollutant emission is also mounted in exhaust system.Before exhaust pipe is generally divided into Three section, middle section, latter end parts.

So far, it is available to have a plurality of types of exhaust pipes for development of automobile, such as: S drum, interior back pressure, G type, in line, Y Numerous models such as type, street drum.But whether being the exhaust pipe of which seed type, between middle section and leading portion or middle section and back segment Type of attachment be bolt, nut shimming combination type of attachment, when assembling needs two people cooperation that could complete well Assembly, packaging efficiency are low, it is difficult to meet the needs of large-scale production.

Utility model content

In view of this, the utility model embodiment provides a kind of automobile exhaust pipe and automobile, to solve the above technical problems.

The embodiments of the present invention are achieved through the following technical solutions:

In a first aspect, the utility model embodiment provides a kind of automobile exhaust pipe, comprising: preceding segment pipe, middle segment pipe, end Segment pipe and two connection structures；

Two connection structures are respectively used to segment pipe and middle segment pipe before connecting and are used for segment pipe and latter end in connection Pipeline, at least one connection structure in two connection structures are the first connection structure；

First connection structure includes: the first connector and the second connector；

First connector is set on the outer peripheral surface at the nozzle of first pipe and being capable of circumferentially rotating along first pipe；

One end of second connector is set on the outer peripheral surface at the nozzle of second pipe and is fixedly connected with second pipe, The other end of second connector extends to the direction far from second pipe；

First pipe is matched with second pipe by the outer surface of the first connector and the screw thread of the inner surface of the second connector Conjunction is docked, wherein first pipe is the segment pipe in two segment pipes to be connected, and second pipe is both ends to be connected Another segment pipe in pipeline.

In a kind of possible implementation of first aspect, the first connection structure further include: silencing pad；

The nozzle of second pipe protrudes from the bottom setting of one end of the second connector, so that the nozzle of second pipe and the The groove for accommodating silencing pad is formed between two connectors.

In a kind of possible implementation of first aspect, the periphery at the nozzle of first pipe is away from the first pipe The direction of the center in road tilts.

In a kind of possible implementation of first aspect, one end of the nozzle of the close first pipe of the first connector Appearance towards first pipe center tilt.

In a kind of possible implementation of first aspect, one end of nozzle of first connector far from first pipe Outer surface is provided with bulge-structure.

In a kind of possible implementation of first aspect, the height of bulge-structure is greater than or equal to the second connector Thickness.

In a kind of possible implementation of first aspect, first pipe is made of the first material, the second connector It is made of the second material, the hot expansibility of the first material is better than the hot expansibility of the second material.

In a kind of possible implementation of first aspect, the first material is ferritic stainless steel, and the second material is casting Iron.

In a kind of possible implementation of first aspect, two connection structures are the first connection structure, the first pipe Road is middle segment pipe, and second pipe is preceding segment pipe or end pipeline or first pipe is preceding segment pipe or end pipeline, second Pipeline is middle segment pipe.

Second aspect, the utility model embodiment provide a kind of automobile, first aspect or first aspect are equipped on automobile The automobile exhaust pipe that provides of any one possible implementation.

The technical solution of the utility model at least has the following beneficial effects: automobile row provided by the embodiment of the utility model Tracheae includes at least one for connecting the first connection structure of different pipelines, the first connection structure include the first connector with And second connector, the first connector is embedded in the second connector when connection, and is locked by being threadedly engaged with the second connector, So that two segment pipes to be connected are docking together.

As it can be seen that the connection between pipeline directly passes through the first connector and the second connection in above-mentioned automobile exhaust pipe It is threadedly engaged realization between part, the part being related to is less, and structure is simple, and stability is high.Meanwhile it only needing to rotate in connection First connector, is threadingly tightened, and a people can be operated, and significantly improves the packaging efficiency of automobile exhaust pipe.

To enable the above-mentioned purpose of the utility model, technical scheme and beneficial effects to be clearer and more comprehensible, implementation is cited below particularly Example, and cooperate appended attached drawing, it is described in detail below.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 shows the structural schematic diagram of automobile exhaust pipe provided by the embodiment of the utility model；

Fig. 2 shows the structural schematic diagrams of the first connection structure provided by the embodiment of the utility model.

Fig. 3 shows the structural schematic diagram of the first connector provided by the embodiment of the utility model.

Fig. 4 shows the structural schematic diagram of the second connector provided by the embodiment of the utility model.

In figure: 1- automobile exhaust pipe；Segment pipe before 10-；Segment pipe in 20-；30- end pipeline；40- connection knot Structure；The first connector of 410-；The first screw thread of 412-；414- bulge-structure；The second connector of 420-；The second screw thread of 422-； 430- groove；440- silencing pad；50- first pipe；60- second pipe.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, or The utility model product using when the orientation or positional relationship usually put, be merely for convenience of description the utility model and letter Change description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construct and Operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " etc. are only used for area Divide description, is not understood to indicate or imply relative importance.

In addition, the terms such as term "horizontal", "vertical", " pendency " are not offered as requiring component abswolute level or pendency, and It is that can be slightly tilted.It is not to indicate the structure if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical" It has to fully horizontally, but can be slightly tilted.

In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through It is indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.

Other feature and advantage of the utility model will illustrate in subsequent specification, also, partly from specification It becomes apparent, or is understood and implementing the utility model embodiment.The purpose of this utility model and other advantages can It is achieved and obtained by structure specifically indicated in the written description, claims, and drawings.

First embodiment

Fig. 1 shows the structural schematic diagram of automobile exhaust pipe 1 provided by the embodiment of the utility model.Referring to Fig.1, automobile is arranged Tracheae 1 includes preceding segment pipe 10, middle segment pipe 20, end pipeline 30 and two connection structures 40.

Wherein, for segment pipe 10 before connecting and middle segment pipe 20, another is used for one in two connection structures 40 Segment pipe 20 and end pipeline 30 in connection.

At least one connection structure 40 in two connection structures 40 is the first connection structure, and the first connection structure is this reality A kind of new connection structure 40 proposed with new embodiment.When only one in two connection structures 40 is using the first connection knot When structure, another connection structure 40 can be using other connection structures 40, such as connection structure 40 in the prior art.

Fig. 2 shows the structural schematic diagrams of the first connection structure provided by the embodiment of the utility model.Referring to Fig. 2, for side First pipe 50 is defined as in two segment pipes that the first connection structure to be connected by the function of just illustrating the first connection structure One segment pipe, another segment pipe in two sections that second pipe 60 is defined as to the first connection structure to be connected.It specifically can be with Including following situation:

First pipe 50 is preceding segment pipe 10, and second pipe 60 is middle segment pipe 20；

First pipe 50 is middle segment pipe 20, and second pipe 60 is preceding segment pipe 10；

First pipe 50 is middle segment pipe 20, and second pipe 60 is end pipeline 30；

First pipe 50 is end pipeline 30, and second pipe 60 is middle segment pipe 20.

With continued reference to Fig. 2, the first connection structure includes the first connector 410 and the second connector 420, first pipe 50 It is carried out pair with second pipe 60 by being threadedly engaged for the inner surface of the outer surface of the first connector 410 and the second connector 420 It connects, constitutes airflow emissions channel.

Fig. 3 shows the structural schematic diagram of the first connector 410 provided by the embodiment of the utility model.Referring to Fig. 3, first Connector 410 is hollow structure, and the first connector 410 is set on the outer peripheral surface at the nozzle of first pipe 50 and can be along the One pipeline 50 circumferentially rotates, and the outer surface of the first connector 410 is provided with the first screw thread 412.

Fig. 4 shows the structural schematic diagram of the second connector 420 provided by the embodiment of the utility model.Referring to Fig. 4, second Connector 420 be hollow structure, one end of the second connector 420 be set on the outer peripheral surface at the nozzle of second pipe 60 and with Second pipe 60 is fixedly connected (such as can be using modes such as welding), and the other end of the second connector 420 is to far from the second pipe The direction in road 60 extends, and the inner surface of the second connector 420 is provided with the second screw thread 422, and the second screw thread 422 is configured to and the Shape, the size of one screw thread 412 are mutually matched.

In connection, the first connector 410 is inserted into the open interior of the second connector 420, and to second pipe 60 The first connector of direction turn 410, until the first screw thread 412 is mutually locked with the second screw thread 422, the first connector at this time 410 are fixed together with the second connector 420, while first pipe 50 is also docking together with second pipe 60, constitute one The airflow channel of connection, as shown in Figure 2.

In automobile exhaust pipe 1 provided by the embodiment of the utility model, the connection between the pipeline of different sections directly passes through It is threadedly engaged realization between first connector 410 and the second connector 420, the part being related to is less, and structure is simple, connection Stability is high, is not susceptible to the problems such as loosening, is conducive to extend the service life of automobile exhaust pipe 1.Meanwhile it only being needed in connection The first connector of turn 410 is wanted, threadingly direction is tightened, and the operation can be completed in an installer, is significantly mentioned The high packaging efficiency of automobile exhaust pipe 1.

With continued reference to Fig. 4, in a kind of embodiment of the utility model embodiment, the nozzle of second pipe 60 is protruded from The bottom of one end of the second connector 420 is arranged, so as to form one between the nozzle of second pipe 60 and the second connector 420 Groove 430.

In this embodiment, the first connection structure further includes silencing pad 440, and silencing pad 440 is a kind of gasket, can be with Using, but be not limited to be made of asbestos material, for reducing the noise in automobile exhaust pipe 1.Above-mentioned groove 430 can be used for Silencing pad 440 is installed, as shown in Figure 2.It is appreciated that the nozzle due to second pipe 60 will pass through silencing pad 440, noise reduction Need to be set as aperture in the middle part of pad 440.

It is outer at the nozzle of first pipe 50 in a kind of embodiment of the utility model embodiment with continued reference to Fig. 3 Week tilts away from the direction of the center of first pipe 50, so that the nozzle of first pipe 50 is in a horn-like structure. It should be understood that the corresponding position of the inner surface of the first connector 410 is also to the direction of the center far from first pipe 50 Inclination, to keep being bonded with the outer peripheral surface of first pipe 50.

Due between the first connector 410 and the second connector 420 and do not have direct connection relationship, pass through by The nozzle of first pipe 50 is set as horn-like structure, can prevent the first connector 410 from the periphery of first pipe 50 first It is slid on face, secondly after the first connector 410 and the second connector 420 pass through screw-threaded coupling, the first connector 410 will be to the One pipeline 50 forms limit, so that first pipe 50 is closely joined together with second pipe 60, first pipe 50 can not be independent Therefrom taken out in the first connection structure, it is ensured that the stability of connection, as shown in Figure 2.

It should be understood that the outer peripheral surface of first pipe 50 is interior with the first connector 410 in some other embodiment Surface may be set to be other mutually matched shapes.

With continued reference to Fig. 3, in a kind of embodiment of the utility model embodiment, the first connector 410 close to the The appearance of one end of the nozzle of one pipeline 50 is tilted towards the center of first pipe 50.

In the opening for needing to be inserted into the second connector 420 in connection due to the first connector 410, necessarily refer to To the problem of insertion alignment.By the way that the outer surface of one end of the nozzle of the close first pipe 50 of the first connector 410 is arranged Insertion is rapidly completed and tightens convenient for being aligned during being inserted into the second connector 420 at it for the inclined-plane of introversion, Improve the packaging efficiency of automobile exhaust pipe 1.

With continued reference to Fig. 3, in a kind of embodiment of the utility model embodiment, the first connector 410 is far from first The outer surface of one end of the nozzle of pipeline 50 is provided with bulge-structure 414, and the quantity of bulge-structure 414 can be one or more It is a.

When the first connector 410 is tightened in turn, above-mentioned bulge-structure 414 can be held and carry out turn, convenient for first Connector 410 exerts a force, and is more quickly completed tightening for the first connector 410.The concrete shape of the bulge-structure 414 is not construed as limiting, For example, can be set to some shapes for meeting ergonomics.

Further, as a kind of optional scheme, the height of bulge-structure 414 is greater than or equal to the second connector 420 Thickness.Referring to Fig. 2, after the first connector 410 and the locking of the second connector 420, bulge-structure 414 and the second connector 420 one end far from second pipe 60 push against, and form effective support to it, keep entire first connection structure more stable.

In a kind of embodiment of the utility model embodiment, first pipe 50 is made of the first material, and second connects Fitting 420 is made of the second material, and the hot expansibility of the first material is better than the hot expansibility of the second material.

When automobile exhaust pipe 1 in actual use, the higher air-flow of temperature flows through automobile exhaust pipe 1, makes tube body Temperature gradually rises concurrent heat expansion.Since the hot expansibility of the first material is better than the hot expansibility of the second material, because The degree of thermal expansion of this first pipe 50 is larger, and the degree of thermal expansion of the second connector 420 is smaller, and first pipe 50 will be to The direction of two connectors 420 squeezes the first connector 410 positioned there between, so that the first connector 410 is connect with second Fitting between part 420 is even closer, avoids gas leakage.

Wherein, the first material and the second material need to only meet the requirement of above-mentioned thermal expansivity when choosing, specific to use Which kind of material is not construed as limiting, for example, the first material can use ferritic stainless steel, the second material can use cast iron.

Typically, between each segment pipe of automobile exhaust pipe 1 can use the same material, manufacture easy to produce, because In common embodiment, second pipe 60 can also be made of the first material for this.In addition, for the first connector 410 material is then not construed as limiting.Such as it can use, but be not limited to using No. 45 steel production.

In a kind of embodiment of the utility model embodiment, two connection structures 40 are the first connection structure, the One pipeline 50 is middle segment pipe 20 and second pipe 60 is preceding segment pipe 10 or end pipeline 30 or first pipe 50 is leading portion pipe Road 10 or end pipeline 30 and second pipe 60 are middle segment pipe 20.

I.e. in this embodiment, two nozzles of middle segment pipe 20 or the first connector 410, Huo Zhetong is set simultaneously When the second connector 420 is set, two nozzles relative to middle segment pipe 20 are respectively set the first connector 410 and second connect The embodiment of fitting 420, it is simple in structure so that middle segment pipe 20 manufacture it is more easy.

Second embodiment

The utility model embodiment also provides a kind of automobile, and the offer of the utility model first embodiment is equipped on the automobile Automobile exhaust pipe 1.

Elaboration according to first embodiment, the automobile exhaust pipe 1 have stable structure, it is durable, be easily installed and tear open The advantages of unloading.Therefore the advantages of automobile also has that stability is high, long service life, is readily produced maintenance.

It, can be with reference to the correlation in first embodiment about the specific structure of automobile exhaust pipe 1, function and beneficial effect Content is not repeated to illustrate herein.

Obviously, the above embodiments of the present invention is used for the purpose of clearly illustrating examples for clearly illustrating the present invention, and It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in Within the protection scope of the utility model claims.

Claims (10)

1. a kind of automobile exhaust pipe characterized by comprising preceding segment pipe, middle segment pipe, end pipeline and two connection knots Structure；

Described two connection structures are respectively used to connect the preceding segment pipe with the middle segment pipe and for connecting in described Segment pipe and the end pipeline, at least one connection structure in described two connection structures is the first connection structure；

First connection structure includes: the first connector and the second connector；

First connector is set on the outer peripheral surface at the nozzle of first pipe and can be along the circumferential direction of the first pipe Rotation；

One end of second connector is set on the outer peripheral surface at the nozzle of second pipe and fixes with the second pipe The other end of connection, second connector extends to the direction far from the second pipe；

The first pipe and the second pipe are interior by the outer surface of first connector and second connector Being threadedly engaged for surface is docked, wherein and the first pipe is the segment pipe in two segment pipes to be connected, described the Two pipelines are another segment pipe in the both ends pipeline to be connected.

2. automobile exhaust pipe according to claim 1, which is characterized in that first connection structure further include: silencing pad；

The nozzle of the second pipe protrudes from the bottom setting of one end of second connector, so that the second pipe The groove for accommodating the silencing pad is formed between nozzle and second connector.

3. automobile exhaust pipe according to claim 1, which is characterized in that periphery at the nozzle of the first pipe towards The direction inclination of center far from the first pipe.

4. automobile exhaust pipe according to claim 1, which is characterized in that first connector is managed close to described first The appearance of one end of the nozzle in road is tilted towards the center of the first pipe.

5. automobile exhaust pipe according to claim 1, which is characterized in that first connector is far from the first pipe The outer surface of one end of nozzle be provided with bulge-structure.

6. automobile exhaust pipe according to claim 5, which is characterized in that the height of the bulge-structure is greater than or equal to institute State the thickness of the second connector.

7. automobile exhaust pipe according to claim 1 to 6, which is characterized in that the first pipe is using the The production of one material, second connector are better than described the using the production of the second material, the hot expansibility of first material The hot expansibility of two materials.

8. automobile exhaust pipe according to claim 7, which is characterized in that first material is ferritic stainless steel, Second material is cast iron.

9. automobile exhaust pipe according to claim 1, which is characterized in that described two connection structures are first company Binding structure, the first pipe be the middle segment pipe, the second pipe be the preceding segment pipe or the end pipeline, or The first pipe is the preceding segment pipe or the end pipeline, and the second pipe is the middle segment pipe.

10. a kind of automobile, which is characterized in that be equipped with automobile row as claimed in any one of claims 1-9 wherein on the automobile Tracheae.