CN206753706U - A kind of automobile exhaust pipe and automobile - Google Patents
A kind of automobile exhaust pipe and automobile Download PDFInfo
- Publication number
- CN206753706U CN206753706U CN201720323374.6U CN201720323374U CN206753706U CN 206753706 U CN206753706 U CN 206753706U CN 201720323374 U CN201720323374 U CN 201720323374U CN 206753706 U CN206753706 U CN 206753706U
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- China
- Prior art keywords
- pipe
- exhaust pipe
- flange piece
- exhaust
- face
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- Expired - Fee Related
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Abstract
The utility model provides a kind of automobile exhaust pipe and automobile, and the automobile exhaust pipe includes：Downtake pipe, first flange piece is welded with the downtake pipe；Second exhaust pipe, the internal diameter of the second exhaust pipe are more than the external diameter of the downtake pipe, second flange piece are welded with the second exhaust pipe；Cushion annular in shape, it is arranged on the downtake pipe, wherein, when the first exhaust tube portion is inserted in the second exhaust pipe, the first flange piece is formed with the second flange piece and is detachably connected, and forms an accommodation space between the first flange piece and the second flange piece；The cushion is located in the accommodation space, and is interference fitted with the accommodation space.This automobile exhaust pipe can improve the sealing for the blast pipe interconnection opening position for being divided into multistage, prevent the unprocessed leakage of engine exhaust, cause atmosphere pollution.
Description
Technical field
Auto parts and components field is the utility model is related to, especially a kind of automobile exhaust pipe and automobile.
Background technology
Automobile exhaust pipe be used for by engine work caused by waste gas be emitted into air.Due to automotive interior parts
It is numerous, in order to coordinate the location arrangements of automotive interior parts, blast pipe can be arranged to the shape of segmentation connection in the prior art
Formula.Waste gas caused by engine, part is untreated to be leaked in air from blast pipe junction, due to caused by engine
In waste gas the pollution to atmospheric environment can be caused containing pernicious gas, the tail gas of leakage such as CO, HC and NOx.
With reference to Fig. 1, in order to ensure the sealing of the junction of the blast pipe of segmentation connection, the sealing of orthodox car blast pipe
Mode by bolt presses sealing gasket come formed sealing, sealing gasket E need respectively with the flange plate C and blast pipe B on blast pipe A
Flange plate D end face coordinated, i.e., the mode sealed using face, and sealing gasket area is bigger than normal, thus be difficult to ensure that
Sealing effectiveness.
Utility model content
The utility model embodiment technical problems to be solved are to provide a kind of automobile exhaust pipe and automobile, are carried to realize
The blast pipe of high score into multistage is connected with each other the sealing of opening position.
In order to solve the above technical problems, the automobile exhaust pipe that the utility model embodiment provides, including：
Downtake pipe, first flange piece is welded with the downtake pipe；
Second exhaust pipe, the internal diameter of the second exhaust pipe are more than the external diameter of the downtake pipe, the second exhaust
Second flange piece is welded with pipe；
Cushion annular in shape, it is arranged on the downtake pipe, wherein, it is inserted in the first exhaust tube portion
When in the second exhaust pipe, the first flange piece is formed with the second flange piece and is detachably connected, and first method
An accommodation space is formed between blue piece and the second flange piece；The cushion is located in the accommodation space, and with it is described
Accommodation space is interference fitted.
Preferably, the end face of the first flange piece is included close to the Part I end face of downtake pipe and away from first
The Part II end face of blast pipe, formed with the first sunk structure on the Part I end face；
The end face of the second flange piece is included close to the Part III end face of second exhaust pipe and away from second exhaust pipe
Part IV end face, formed with the second sunk structure on the Part II end face；
When the first flange piece and the second flange piece are formed and are detachably connected, the Part II end face and four
Portion end surface fits, the first sunk structure of the Part I end face and the second sunk structure of Part II end face, altogether
With the formation accommodation space.
Preferably, the longitudinal cross-section of the cushion is formed as M types.
Preferably, the cushion is made of rubber.
Preferably, the downtake pipe and the second exhaust pipe are made of titanium alloy material.
Preferably, be provided with ternary catalyzing unit and damping device inside the second exhaust pipe, and the ternary catalyzing unit with
The damping device is arranged at the one end of the second exhaust pipe away from the downtake pipe.
According to another aspect of the present utility model, the utility model embodiment additionally provides a kind of automobile, including above-mentioned
Automobile exhaust pipe.
Preferably, the automobile also includes：The exhaust being sheathed on the downtake pipe and the second exhaust pipe is cold
But cover, the exhaust cooling dome includes：It is vented cooling dome inwall and exhaust cooling cover outer wall, the exhaust cooling dome inwall and institute
State between exhaust cools down cover outer wall and form a coolant flowing lumen, and be vented cooling cover outer wall and be provided with water inlet and delivery port,
The water inlet and the delivery port connect with the coolant flowing lumen.Compared with prior art, the utility model is implemented
The automobile exhaust pipe and automobile that example provides, at least have the advantages that：
When first exhaust tube portion is inserted in inside second exhaust pipe, due to cushion and first flange piece and the second method
The interference fit of the accommodation space formed between blue piece, the tail of the junction in downtake pipe and second exhaust pipe can be prevented
The leakage of gas, improves the sealing of the two connection, and then prevents the unprocessed leakage of waste gas caused by engine, reduces
Pollution to atmospheric environment.Also, the contact area between cushion and first flange piece and second flange piece greatly reduces, and enters
And improve sealing effectiveness.
Brief description of the drawings
Fig. 1 is the structural representation of the blast pipe of the segmentation connection of prior art；
Fig. 2 is the structural representation of the automobile exhaust pipe described in the utility model embodiment；
Fig. 3 is the cross-sectional view of the automobile exhaust pipe described in the utility model embodiment；
Description of reference numerals：1st, downtake pipe；2nd, second exhaust pipe；3rd, cushion；11st, first flange piece；21st, second
Flange plate.
Embodiment
To make the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And specific embodiment is described in detail.In the following description, there is provided the specific detail of such as specific configuration and component is only
Only to assist in comprehensive understanding embodiment of the present utility model.Therefore, it will be apparent to those skilled in the art that can be to here
The embodiment of description is made various changes and modifications without departing from the scope of the utility model and spirit.In addition, in order to clear and
Succinctly, the description to known function and construction is eliminated.
Reference picture 1 and Fig. 2, the automobile exhaust pipe that the utility model embodiment provides, including：
Downtake pipe 1, first flange piece 11 is welded with the downtake pipe 1；
Second exhaust pipe 2, the internal diameter of the second exhaust pipe 2 are more than the external diameter of the downtake pipe 1, the second row
Second flange piece 21 is welded with tracheae 2；
Cushion 3 annular in shape, it is arranged on the downtake pipe 1, wherein, inserted in the part of downtake pipe 1
When in the second exhaust pipe 2, the first flange piece 11 is formed with the second flange piece 21 and is detachably connected, and institute
State and form an accommodation space between first flange piece 11 and the second flange piece 21；The cushion 3 is located at the accommodating sky
In, and be interference fitted with the accommodation space.
Identical mode is arranged to relative to by the internal-and external diameter of downtake pipe 1 and second exhaust pipe 2, the utility model is real
Apply and the external diameter of downtake pipe 1 is set smaller than to the mode of the internal diameter of second exhaust pipe 2 in example can reduce engine exhaust
Pass through the junction leakage rate of two blast pipes.
Cushion 3 and accommodation space are arranged to the mode of interference fit, will be leaked by the junction of two blast pipes
The portion discharge gone out is blocked completely, and then exhaust caused by engine can be prevented to leak.So that exhaust caused by engine is all
It can be emitted into again in air after catalytic treatment, reduce the pollution to atmospheric environment.Also, cushion 3 and two methods
By the way of fit system between blue piece is no longer sealed using face, contact area significantly reduces, and improves sealing property.
Meanwhile in assembling, without being installed again to cushion 3, and only need to the method for first flange piece 11 and second
It is attached between blue piece 12, relative to needing to be another exhaust after sealing gasket is assembled on bolt in the prior art
The mode that flange film perforation on pipe is docked, the assembly manipulation in the utility model embodiment greatly simplify, assembly manipulation pole
To be simple.
In the utility model embodiment, through hole is provided with first flange piece 11 and second flange piece 21, the two is logical
Cross bolted mode and realize and be detachably connected.
Further, in the utility model embodiment, from the point of view of Fig. 2, the end face of the first flange piece 11 includes leaning on
The Part I end face of nearly downtake pipe 1 and the Part II end face away from downtake pipe 1, on the Part I end face
Formed with the first sunk structure；
The end face of the second flange piece 21 is included close to the Part III end face of second exhaust pipe 2 and away from second exhaust
The Part IV end face of pipe 2, formed with the second sunk structure on the Part II end face；
When the first flange piece 11 and the second flange piece 21 are formed and are detachably connected, the Part II end face
Fitted with four portion end surfaces, the first sunk structure of the Part I end face is tied with the second depression of Part II end face
Structure, it is collectively forming the accommodation space.
Through hole on first flange piece 11 is arranged on Part II end face position, and the through hole on second flange piece 21 is set
Put in Part IV end face position.
With reference to Fig. 2, in the present embodiment, the Part I end face of first flange piece 11 and the junction of Part II end face
Using circular sliding slopes, the Part III end face of second flange piece 21 and the junction of Part IV end face are equally also connected using circular arc
Connect.The set-up mode of such a circular sliding slopes, it is in order in first flange piece 11 and the mutual cooperation of second flange piece 21 so that bullet
Property pad 3 can fill up the space in accommodation space when by compression, prevent the possibility of exhaust gas leakage completely.
Preferably, the longitudinal cross-section of the cushion 3 is formed as M types.
It is for the ease of the compression of cushion 3 that the section of cushion 3 is arranged into M types, ensures the same of sealing property
When reduce assembling torque.
Preferably, the cushion 3 is made of rubber.
The cost of elastomeric material is relatively low, and the performance with preferable compression.
Preferably, the downtake pipe 1 and the second exhaust pipe 2 are made of titanium alloy material.
Because blast pipe traditionally is made of stainless steel mostly, although stainless steel has corrosion resistant feature,
Stainless steel weight weight, low intensity.In the utility model embodiment, downtake pipe 1, second exhaust pipe 2, the and of first flange piece 11
Second flange piece 21 is made of titanium alloy material, and stainless steel is replaced using titanium alloy material, titanium alloy because with intensity it is high,
The features such as corrosion resistance is good, heat resistance is high, the temperature in use of titanium alloy remain to keep at moderate temperatures than aluminium alloy Gao Ji Baidu
Required intensity, can the long-term work at a temperature of 450~500 DEG C；And the corrosion stability of titanium alloy is much better than stainless steel, to point
Erosion, acid etching, the resistance of stress corrosion are especially strong, there is excellent resist to alkali, chloride, organic article of chlorine, nitric acid, sulfuric acid etc.
Corrosive power；And blast pipe is long-term and external environment contacts and bears high-temperature gas, therefore can the row of being effectively ensured using titanium alloy
The service life of tracheae, and titanium alloy is more light, is greatly improved the efficiency of engine.
Preferably, the inside of the second exhaust pipe 2 is provided with ternary catalyzing unit and damping device, and the ternary catalyzing unit with
The damping device is arranged at the one end of the second exhaust pipe 2 away from the downtake pipe 1.
Ternary catalyzing unit is for carrying out being emitted into air again after handling the tail gas of motor vehicle emission, to reduce ring
Border is polluted, and the setting of damping device can reduce vehicle and vibrate the influence to caused by blast pipe.
In the utility model embodiment, a filtering is arranged with the downtake pipe interface relative with second exhaust pipe
Net, the setting of the screen pack, it can prevent the impurity in air from being transmitted after entering downtake pipe by second exhaust pipe to hair
Cause the work of engine bad at motivation.
According to another aspect of the present utility model, the utility model embodiment additionally provides a kind of automobile, including above-mentioned
Automobile exhaust pipe.
Preferably, the automobile also includes：The exhaust being sheathed on the downtake pipe 1 and the second exhaust pipe 2
Cooling dome, the exhaust cooling dome include：Be vented cooling dome inwall and exhaust cooling cover outer wall, it is described exhaust cooling dome inwall and
A coolant flowing lumen is formed between the exhaust cooling cover outer wall, and is vented cooling cover outer wall and is provided with water inlet and water outlet
Mouthful, the water inlet and the delivery port connect with the coolant flowing lumen.
In the utility model embodiment, manufacture can be vented in the material of cooling dome and add quieter material, reinforcement pair
The erasure effect of blast pipe.
Above-mentioned water inlet and delivery port is arranged on exhaust cooling cover outer wall, can be arranged to water inlet and delivery port
It is multiple.
Above-mentioned exhaust cooling dome cools down due to foring cooling water mantle cavity between the outer wall and inwall of exhaust cooling dome
One heat-exchange system of formation of water-jacket space, water inlet and delivery port so that high-temperature exhaust air cooling cover outer wall is constantly cold toward being vented
But the heat of cover inwall radiation carries out heat exchange with the recirculated water in the cooling water mantle cavity inside blast pipe cooling dome, so as to play
The effect of exhaust cooling dome hull-skin temperature is reduced, can preferably play the protective action of exhaust cooling dome, simultaneously because exhaust
The heat of pipe radiation is taken out of by water circulation system, causes to be radiated to the reduction of engine nacelle heat, can effectively reduce and start
Machine cabin temperature.
The automobile exhaust pipe provided by the utility model embodiment, it is possible to increase using the company of the blast pipe of segmentation connection
The sealing at place is connect, prevents from being emitted into air after tail gas is not handled by caused by engine, causes the pollution to air.Adopt
The cushion made of rubber, cost is relatively low, also, the ability of the compression of rubber blanket is preferable.Cushion and accommodation space
Interference fit mode, it is possible to increase the sealing property of junction.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (8)
- A kind of 1. automobile exhaust pipe, it is characterised in that including：Downtake pipe (1), first flange piece (11) is welded with the downtake pipe (1)；Second exhaust pipe (2), the internal diameter of the second exhaust pipe (2) are more than the external diameter of the downtake pipe (1), and described second Second flange piece (21) is welded with blast pipe (2)；Cushion (3) annular in shape, is arranged on the downtake pipe (1), wherein, in the downtake pipe (1) part When being inserted in the second exhaust pipe (2), the first flange piece (11) forms detachable with the second flange piece (21) Connection, and form an accommodation space between the first flange piece (11) and the second flange piece (21)；The cushion (3) It is interference fitted in the accommodation space, and with the accommodation space.
- 2. automobile exhaust pipe according to claim 1, it is characterised in thatThe end face of the first flange piece (11) is included close to the Part I end face of downtake pipe (1) and away from first exhaust The Part II end face of (1) is managed, formed with the first sunk structure on the Part I end face；The end face of the second flange piece (21) is included close to the Part III end face of second exhaust pipe (2) and away from second exhaust The Part IV end face of (2) is managed, formed with the second sunk structure on the Part II end face；When the first flange piece (11) and the second flange piece (21) form and are detachably connected, the Part II end face Fitted with four portion end surfaces, the first sunk structure of the Part I end face is tied with the second depression of Part II end face Structure, it is collectively forming the accommodation space.
- 3. automobile exhaust pipe according to claim 1, it is characterised in that the longitudinal cross-section of the cushion (3) is formed as M Type.
- 4. automobile exhaust pipe according to claim 1, it is characterised in that the cushion (3) is made of rubber.
- 5. automobile exhaust pipe according to claim 1, it is characterised in that the downtake pipe (1) and the second row Tracheae (2) is made of titanium alloy material.
- 6. automobile exhaust pipe according to claim 1, it is characterised in that be provided with ternary inside the second exhaust pipe (2) Catalyst converter and damping device, and the ternary catalyzing unit and the damping device are arranged at the second exhaust pipe (2) away from institute State one end of downtake pipe (1).
- 7. a kind of automobile, it is characterised in that including the automobile exhaust pipe described in any one of claim 1 to 6.
- 8. automobile according to claim 7, it is characterised in that the automobile also includes：It is sheathed on the downtake pipe With the exhaust cooling dome on the second exhaust pipe, the exhaust cooling dome includes：It is vented cooling dome inwall and exhaust cooling dome Outer wall, a coolant flowing lumen is formed between the exhaust cooling dome inwall and the exhaust cooling cover outer wall, and be vented cooling Cover outer wall is provided with water inlet and delivery port, and the water inlet and the delivery port connect with the coolant flowing lumen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720323374.6U CN206753706U (en) | 2017-03-30 | 2017-03-30 | A kind of automobile exhaust pipe and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720323374.6U CN206753706U (en) | 2017-03-30 | 2017-03-30 | A kind of automobile exhaust pipe and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206753706U true CN206753706U (en) | 2017-12-15 |
Family
ID=60611392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720323374.6U Expired - Fee Related CN206753706U (en) | 2017-03-30 | 2017-03-30 | A kind of automobile exhaust pipe and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206753706U (en) |
-
2017
- 2017-03-30 CN CN201720323374.6U patent/CN206753706U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20200330 |