CN208907377U - A kind of high temperature resistant vehicle flexible pipe - Google Patents
A kind of high temperature resistant vehicle flexible pipe Download PDFInfo
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- CN208907377U CN208907377U CN201821649870.1U CN201821649870U CN208907377U CN 208907377 U CN208907377 U CN 208907377U CN 201821649870 U CN201821649870 U CN 201821649870U CN 208907377 U CN208907377 U CN 208907377U
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- guide shell
- bellows structure
- left guide
- right guide
- flexible pipe
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Abstract
The utility model discloses a kind of high temperature resistant vehicle flexible pipes, including bellows structure, water conservancy diversion cartridge module and ferrule structure；Water conservancy diversion cartridge module includes the left guide shell and right guide shell for being divided into bellows both ends, the first interface end of left guide shell is extended through in the second interface end of right guide shell along the axial direction of bellows structure and is formed with mobile space, the mobile space is used to limit the opposite offset radial in the bellows structure of the left guide shell and right guide shell, using the technical program, the left guide shell and right guide shell play water conservancy diversion and heat-blocking action and there is no elastic fatigue problems, tube structure intensity is big, overall stability is good, mounting process is simple, both it had been able to cooperate bellows structure and has obtained preferable nose balance, the transverse direction and angular displacement amount that can prevent automobile flexible pipe again are beyond limit of compensation, design is reasonable, cooperation is reliable, good damping effect, promote the service performance of product.
Description
Technical field
The utility model relates to auto-parts technical fields, and in particular to a kind of high temperature resistant vehicle flexible pipe.
Background technique
Automobile flexible pipe is the important connecting elements of automobile exhaust system, exhaust system front is generally located on, away from automobile
Engine is close, therefore absorbs the vibration of exhaust system by automobile flexible pipe in high temperature and vibration environment, prevented
The thermal deformation divided reduces the noise of exhaust system, provides easypro so as to which displacement of the automobile engine for exhaust system is isolated
Suitable feels by bus.
Existing automobile flexible pipe on the market, as shown in Figs. 1-2, outer net jacket layer 01 and ripple including ecto-entad composition
Tube layer 02 and flexible ganglionic layer 03, and outer net jacket layer 01 and ripple tube layer 02 are fixedly clamped one with interior end ring and outer end ring 04
It rises, interior end ring is fixedly connected with the both ends of flexible ganglionic layer 03, and ripple tube layer 02 primarily serves the effect of vibration decaying, telescopic joint
Layer 03 plays heat-insulated and guide functions, as shown in Fig. 2, flexible ganglionic layer 03 is the winding-type being connected in sequence by multiple telescopic joints
Structure, therefore also referred to as interior winding pipe, and telescopic joint is formed by S-shaped sheet metal snapping.
Can be seen that it by the structure of above-mentioned automobile flexible pipe, there are still following problems in actual use: firstly,
Automobile flexible pipe can cause lateral and angular deformation because of vibration and temperature change, and be in high temperature and vibration building ring for a long time
In border, to increase the elastic fatigue degree of telescopic joint, and telescopic joint itself is very thin in addition, long-term accumulation is easy to send out telescopic joint
Raw crack conditions, stability is poor, influences product service performance；Secondly, in conclusion the mounting process of existing automobile flexible pipe is multiple
It is miscellaneous, and its transverse direction and angular displacement amount cannot be preferably limited, it is easy to lead to automobile flexible pipe because deformation is beyond limit of compensation
Severely deformed failure.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome automobile flexible pipe in the prior art cannot be preferable
Limit its transverse direction and angular displacement amount, during use increase telescopic joint elastic fatigue degree, be easily broken telescopic joint, shadow
The problem of ringing product service performance, so that its transverse direction and angular displacement amount, stability and good damping effect can be limited by providing one kind,
Promote the high temperature resistant vehicle flexible pipe of product service performance.
In order to solve the above technical problems, the utility model provides a kind of high temperature resistant vehicle flexible pipe, it to be used for automobile exhaust system
System, it is characterised in that: including bellows structure and the movable water conservancy diversion cartridge module being set in the bellows structure, the wave
The both ends of line pipe structure are sealedly and fixedly connected by ferrule structure and the water conservancy diversion cartridge module；The water conservancy diversion cartridge module includes:
Left guide shell is arranged in one end of the bellows structure, has the towards the bellows structure other end
One interface end；
Right guide shell is arranged in the other end of the bellows structure, has corresponding with the first interface end the
Two interface ends, the first interface end are extended through in the second interface end along the axial direction of the bellows structure, and with it is described
Mobile space is formed between second interface end, the mobile space is for limiting the left guide shell with right guide shell described
The radial opposite offset of bellows structure；The fluid of the automobile exhaust system discharge flows to the right water conservancy diversion by left guide shell
Cylinder.
In above-mentioned automobile flexible pipe, the bellows structure is by double-deck metal bellow one hydro-forming.
In above-mentioned automobile flexible pipe, the longitudinal section of the left guide shell and right guide shell is in zigzag structure, includes
The first pipe portion, inclined tube portion and the second pipe portion being sequentially connected, the second pipe portion extending direction are parallel to first pipe portion and prolong
Stretch direction；First pipe portion of the left guide shell and right guide shell is fixedly connected with the both ends of the bellows structure respectively.
In above-mentioned automobile flexible pipe, the second pipe portion of the left guide shell and right guide shell with the bellows structure
Interval setting, the first interface end and the second interface end are respectively arranged at the second of the left guide shell and right guide shell
In pipe portion.
In above-mentioned automobile flexible pipe, the ferrule structure is the ring-shaped clamping sleeve that longitudinal section is of a straight line type, the left water conservancy diversion
Cylinder and right guide shell are welded and fixed at the bellows structure both ends by the ring-shaped clamping sleeve.
In above-mentioned automobile flexible pipe, the ferrule structure is the ring-shaped clamping sleeve of the rectangular type in longitudinal section, the left water conservancy diversion
Cylinder and right guide shell are welded and fixed at the bellows structure both ends by the ring-shaped clamping sleeve.
In above-mentioned automobile flexible pipe, the left guide shell and the right guide shell are respectively that the stainless steel being made into integration produces
Product.
Technical solutions of the utility model have the advantages that compared with prior art
1. in high temperature resistant vehicle flexible pipe provided by the utility model, water conservancy diversion cartridge module includes being divided into bellows both ends
Left guide shell and right guide shell, by the way that the first interface end of left guide shell is extended through in the second interface end of right guide shell simultaneously shape
At there is mobile space, fluid is made to flow to right guide shell from left guide shell side, design is advantageous in that in this way, the left guide shell
Water conservancy diversion and heat-blocking action are played with right guide shell and there is no elastic fatigue problems, tube structure intensity is big, and overall stability is good,
Mounting process is simple, during automobile flexible pipe deforms, had both been able to cooperate bellows structure and has obtained preferable nose balance,
Again left guide shell and right guide shell can be effectively limited according to the thickness design value of mobile space between left guide shell and right guide shell
It is opposite to deviate generated transverse direction and angular displacement amount, so that the transverse direction and angular displacement amount that prevent automobile flexible pipe are beyond compensation
The limit, rationally, cooperation is reliable, and good damping effect promotes the service performance and service life of product for design.
2. the bellows structure is by double-deck metal bellow one in high temperature resistant vehicle flexible pipe provided by the utility model
Body fluid is molded, is manufactured conveniently, and the planform of every layer of metal bellows matches, and is respectively provided with independent leakproofness,
To increase the thickness of bellows structure, enhancing structure intensity can compensate for the vibration and thermal deformation that absorb exhaust system, right
Automobile flexible pipe plays cushioning effect, and reduces noise.
3. in high temperature resistant vehicle flexible pipe provided by the utility model, the second pipe portion of the left guide shell and right guide shell
It is arranged with the double-deck metal bellow interval, this structure setting, high temperature fluid is obstructed to metal wave by the second pipe portion
Line pipe directly transmits heat, and good heat-insulation effect prevents excessive thermal deformation, and when by exhaust system vibration influence, left water conservancy diversion
Second pipe portion of cylinder and right guide shell can compensate lateral displacement in metal bellows, and be limited by mobile space, rationally meet
Product is in lateral and angular compensation rate requirement.
4. in high temperature resistant vehicle flexible pipe provided by the utility model, the ferrule structure is the ring of the rectangular type in longitudinal section
Shape cutting ferrule, the effect of ring-shaped clamping sleeve are that the bellows structure both ends are welded and fixed in the left guide shell and right guide shell, are made
Bellows structure both ends form enclosed environment, in addition, generation when can prevent from welding by the right-angle baffle of perpendicular type ring-shaped clamping sleeve
Spark be splashed on metal bellows, avoid causing scaling loss to endanger metal bellows, protective is good.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.
Fig. 1 is a kind of structural schematic diagram of automobile flexible pipe of the prior art；
Fig. 2 is the partial enlargement structural representation of automobile flexible pipe shown in Fig. 1；
Fig. 3 is the half section structure diagram of high temperature resistant vehicle flexible pipe provided by the utility model；
Fig. 4 is the partial enlargement structural representation for scheming the location A；
Fig. 5 is the half section structure diagram of the high temperature resistant vehicle flexible pipe another way of the utility model；
Description of symbols: 1- bellows structure, 2- ferrule structure, the left guide shell of 3-, 30- first interface end, 31-
One pipe portion, 32- inclined tube portion, the second pipe portion of 33-, the right guide shell of 4-, 40- second interface end, 5- mobile space.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.
In the description of the present invention, it should be noted that term " first ", " second ", " third " are only used for describing
Purpose is not understood to indicate or imply relative importance.
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.
Embodiment 1
The present embodiment is specifically described with reference to the accompanying drawing:
The present embodiment provides a kind of high temperature resistant vehicle flexible pipes as in Figure 3-5, are used for automobile exhaust system, including ripple
Pipe structure 1 and the movable water conservancy diversion cartridge module being set in the bellows structure 1, the both ends of the bellows structure 1 pass through
Ferrule structure 2 is sealedly and fixedly connected with the water conservancy diversion cartridge module；The water conservancy diversion cartridge module includes:
Left guide shell 3 is arranged in one end of the bellows structure 1, has towards 1 other end of bellows structure
First interface end 30；
Right guide shell 4 is arranged in the other end of the bellows structure 1, has corresponding with the first interface end 30
Second interface end 40, the first interface end 30 is extended through the second interface end 40 along the axial direction of the bellows structure
It is interior, and mobile space 5 is formed between the second interface end 40, the mobile space 5 is for limiting the left guide shell 3
The opposite offset radial in the bellows structure 1 with right guide shell 4；With reference to Fig. 3 it is found that the automobile exhaust system was discharged
Fluid flows to the right guide shell 4 by the left guide shell 3, and the mobile space is to be located at left guide shell 3 and right water conservancy diversion in parallel
Between cylinder 4, the fluid is high-temperature gas, and the quick one-way movement of fluid may not flow into mobile space.
Above embodiment is the core technology scheme of the present embodiment, by wearing the first interface end 30 of left guide shell 3
It stretches in the second interface end 40 of right guide shell 4 and is formed with mobile space 5, fluid is made to flow to right water conservancy diversion from left guide shell side
Cylinder, design is advantageous in that in this way, and the left guide shell 3 and the right guide shell 4 can play water conservancy diversion and heat-blocking action and not deposit
In elastic fatigue problem, tube structure intensity is big, and overall stability is good, and mounting process is simple, deforms in automobile flexible pipe
In the process, it had not only been able to cooperate bellows structure 1 and has obtained preferable nose balance, but also can be according between left guide shell 3 and right guide shell 4
The thickness design value of mobile space, so that occurring that phase can be limited when relative angular offset between first interface end and second interface end
It supports, to effectively limit, the left guide shell 3 is opposite with right guide shell 4 to deviate generated transverse direction and angular displacement amount, thus
The transverse direction and angular displacement amount for preventing automobile flexible pipe are beyond limit of compensation, and rationally, cooperation is reliable, and good damping effect mentions for design
Rise the service performance and service life of product.
The bellows structure 1 is by double-deck metal bellow one hydro-forming, manufacture as a preferred implementation manner,
The planform of convenient formation, every layer of metal bellows matches, and is respectively provided with independent leakproofness, to increase bellows knot
The thickness of structure, enhancing structure intensity can compensate for the vibration and thermal deformation that absorb exhaust system, plays and subtract to automobile flexible pipe
Shake effect, and reduce noise.
It elaborates below with reference to the specific set-up mode of Fig. 3-4 pairs of left guide shells and right guide shell:
The left guide shell 3 and the right guide shell 4 are respectively the stainless steel product being made into integration, the mobile space 5
Thickness be no more than 10mm, can preferably restricting vehicle flexible pipe transverse direction and angular compensatory amount, it is further preferred that the left water conservancy diversion
The longitudinal section of cylinder 3 and right guide shell 4 is in zigzag structure, includes the first pipe portion 31 being sequentially connected, inclined tube portion 32 and second
Pipe portion 33,33 extending direction of the second pipe portion are parallel to 31 extending direction of the first pipe portion, and this circular tube structure can
Elastic fatigue is avoided, and integrally anti-lotus ability is strong, can resist the ability of entirety or local buckling.Wherein, the left water conservancy diversion
First pipe portion 31 of cylinder 3 and right guide shell 4 is fixedly connected with the both ends of the bellows structure 1 respectively, and for arranging with automobile
Gas system realizes sealing flexible connection, and this structure setting realizes left guide shell 3 and right guide shell 4 and metal bellows in axis
Upward mating connection, so that fluid be guided more preferably to pass through left guide shell 3 and right guide shell 4.
Made further preferably according to above embodiment, the second pipe portion of the left guide shell 3 and the right guide shell 4 is equal
It is spaced and is arranged with the bellows structure 1, the first interface end 30 and the second interface end 40 are respectively arranged at the left side
In second pipe portion of guide shell 3 and the right guide shell 4.This structure setting, by the second pipe portion 33 obstruct high temperature fluid to
Metal bellows directly transmits heat, and good heat-insulation effect prevents excessive thermal deformation, and when by exhaust system vibration influence,
Second pipe portion of the left guide shell 3 and right guide shell 4 can compensate lateral displacement in metal bellows, and in opposite deflection one
It is limited after determining angle by mobile space 5, rationally meets product in lateral and angular compensation rate requirement.
It elaborates below in conjunction with specific structure of the Fig. 3 and Fig. 5 to the ferrule structure:
The ferrule structure 2 is the ring-shaped clamping sleeve that longitudinal section is of a straight line type, and the left guide shell 3 and right guide shell 4 are in institute
1 both ends of bellows structure are stated to be welded and fixed by the ring-shaped clamping sleeve, it, can be by left water conservancy diversion using ring-shaped clamping sleeve in completed knocked down products
Cylinder 3 and right guide shell 4 are consistent product length in order to mechanical welding together with 1 both ends pre-assembly of bellows structure
It connects, this ring-shaped clamping sleeve structure is simple, can meet different product workpiece demands, improves working efficiency, reduces cost production.
As a kind of alternative, as shown in figure 5, the ferrule structure 2 is the ring-shaped clamping sleeve of the rectangular type in longitudinal section,
The left guide shell 3 and right guide shell 4 are welded and fixed at 1 both ends of bellows structure by the ring-shaped clamping sleeve, annular snap
The effect of set is that 1 both ends of bellows structure are welded and fixed in the left guide shell 3 and right guide shell 4, makes bellows structure
Both ends form enclosed environment, in addition, can prevent the scolding tin and fire that generate when welding by the right-angle baffle of perpendicular type ring-shaped clamping sleeve
Flower is splashed on metal bellows, avoids causing scaling loss to injure metal bellows, and protective is good.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (7)
1. a kind of high temperature resistant vehicle flexible pipe, it to be used for automobile exhaust system, it is characterised in that: including bellows structure (1) and can
The both ends of the water conservancy diversion cartridge module being movably set in the bellows structure (1), the bellows structure (1) pass through ferrule structure
(2) it is sealedly and fixedly connected with the water conservancy diversion cartridge module；The water conservancy diversion cartridge module includes:
Left guide shell (3), is arranged in one end of the bellows structure (1), has towards the bellows structure (1) other end
First interface end (30)；
Right guide shell (4), is arranged in the other end of the bellows structure (1), has opposite with the first interface end (30)
The second interface end (40) answered, the first interface end (30) are extended through the second interface along the axial direction of the bellows structure
It holds in (40), and is formed with mobile space (5) between the second interface end (40), the mobile space (5) is for limiting
The left guide shell (3) and right guide shell (4) are deviated in the opposite of the bellows structure (1) radial direction；The automobile exhaust system
The fluid of system discharge flows to the right guide shell (4) by the left guide shell (3).
2. a kind of high temperature resistant vehicle flexible pipe according to claim 1, it is characterised in that: the bellows structure (1) is by double
Layer metal bellows one hydro-forming.
3. a kind of high temperature resistant vehicle flexible pipe according to claim 2, it is characterised in that: the left guide shell (3) and the right side are led
The longitudinal section of flow cartridge (4) is in zigzag structure, includes the first pipe portion (31), inclined tube portion (32) and the second pipe portion being sequentially connected
(33), the second pipe portion (33) extending direction is parallel to the first pipe portion (31) extending direction；The left guide shell (3) and
The first pipe portion (31) of right guide shell (4) is fixedly connected with the both ends of the bellows structure (1) respectively.
4. a kind of high temperature resistant vehicle flexible pipe according to claim 3, it is characterised in that: the left guide shell (3) and the right side are led
Second pipe portion of flow cartridge (4), which is spaced with the bellows structure (1), to be arranged, and the first interface end (30) and described second connects
Mouth end (40) is respectively arranged in the second pipe portion of the left guide shell (3) and the right guide shell (4).
5. a kind of high temperature resistant vehicle flexible pipe described in any one of -4 according to claim 1, it is characterised in that: the ferrule structure
(2) ring-shaped clamping sleeve being of a straight line type for longitudinal section, the left guide shell (3) and right guide shell (4) are in the bellows structure (1)
Both ends are welded and fixed by the ring-shaped clamping sleeve.
6. a kind of high temperature resistant vehicle flexible pipe described in any one of -4 according to claim 1, it is characterised in that: the ferrule structure
It (2) is the ring-shaped clamping sleeve of the rectangular type in longitudinal section, the left guide shell (3) and right guide shell (4) are in the bellows structure (1)
Both ends are welded and fixed by the ring-shaped clamping sleeve.
7. a kind of high temperature resistant vehicle flexible pipe according to claim 1, it is characterised in that: the left guide shell (3) and described
Right guide shell (4) is respectively the stainless steel product being made into integration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821649870.1U CN208907377U (en) | 2018-10-11 | 2018-10-11 | A kind of high temperature resistant vehicle flexible pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821649870.1U CN208907377U (en) | 2018-10-11 | 2018-10-11 | A kind of high temperature resistant vehicle flexible pipe |
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| Publication Number | Publication Date |
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| CN208907377U true CN208907377U (en) | 2019-05-28 |
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| CN201821649870.1U Active CN208907377U (en) | 2018-10-11 | 2018-10-11 | A kind of high temperature resistant vehicle flexible pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566364A (en) * | 2019-09-10 | 2019-12-13 | 中国航空工业集团公司西安飞机设计研究所 | Flexible compensation connecting structure of asymmetric spray pipe and engine |
-
2018
- 2018-10-11 CN CN201821649870.1U patent/CN208907377U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110566364A (en) * | 2019-09-10 | 2019-12-13 | 中国航空工业集团公司西安飞机设计研究所 | Flexible compensation connecting structure of asymmetric spray pipe and engine |
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