CN208535385U - A kind of double-sealing device for automobile engine mesohigh pipeline - Google Patents
A kind of double-sealing device for automobile engine mesohigh pipeline Download PDFInfo
- Publication number
- CN208535385U CN208535385U CN201820990800.6U CN201820990800U CN208535385U CN 208535385 U CN208535385 U CN 208535385U CN 201820990800 U CN201820990800 U CN 201820990800U CN 208535385 U CN208535385 U CN 208535385U
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- CN
- China
- Prior art keywords
- pier nose
- ring flange
- double
- locking nut
- switching device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of pipeline joint sealing devices, and in particular to a kind of double-sealing device for automobile engine mesohigh pipeline, including pier nose formula switching device, double thread connector, locking nut, ring flange A and ring flange B.Pier nose formula switching device just forms the relationship that dual-seal is connect with double thread connector after locking nut screwing, shrinkage pool and pier nose form first sealing, secondary seal is formed between spherical steps and protrusion, adaptive ability is strong between mating surface, to reduce tubing leak risk.Ring flange A and ring flange B plays reinforcement locking function to locking nut, guarantee the sealing effect between pier nose formula switching device and double thread connector, after long-time use, it can play the role of fine tuning again, there is risk of leakage after preventing long-time use, it can be matched again with rubber sheet gasket, locking nut both ends is made to play the effect for reinforcing sealing.
Description
Technical field
The utility model relates to a kind of pipeline joint sealing devices, and in particular to one kind is used for automobile engine mesohigh pipe
The double-sealing device on road.
Background technique
The pressure duct operating pressure of new hybrid vehicles requires higher and higher, the wind that pipeline leaks at this stage
Danger also increases with it.Traditional pressure duct is connect by the way of conical surface seal with flared type double thread connector, the disadvantage is that
The adaptive ability of conical surface pier nose is poor, is easy to happen leakage.
Patent CN2007200132769 provides the pipeline mechanism interconnected that machinery field is used to convey substance,
Specifically pressure duct sealing and connecting device and seal washer.Seal chamber connecting tube and sealing ring connecting tube pass through adapter sleeve
It is fastenedly connected, gasket is installed in the cavity between the seal chamber and sealing ring connecting tube sealing ring of seal chamber connecting tube
Circle.It is equipped with by being combined with each other in constituted cavity in seal chamber connecting tube and sealing ring connecting tube with plastic deformability
The seal washer of energy is simultaneously connected with each other connecting tube by adapter sleeve, good seal performance, and the expansion of sealed end high temperature resistant and height
Pressure impact, and it is convenient and efficient to dismount combination.So be suitable for that various piping connections use, high temperature and high pressure conditions lower pipeline preferably
It is used in sealed connection.
Patent CN203463833U discloses a kind of seal assembly for high temperature and high pressure gas pipeline joint, comprising: is
The globe joint of ducted body, one end are in bulb shape, which is provided with the convex shoulder for accommodating sealing ring, the other end and a wherein high temperature
Pressure duct connection；For the pressure inlet of ducted body, one end end periphery is equipped with external screw thread, which is provided with and globe joint
Bulb cooperation shrinkage pool, the other end and high temperature and pressure pipeline connection；For the cap nut of hollow cylinder, inner wall surface thereof is equipped with interior
Screw thread, coaxial package is outside globe joint；When Butt sealing, clamping in the shrinkage pool of the bulb insertion mouthpiece tube of globe joint makes
It obtains the bulb and forms linear sealing with shrinkage pool mutual extrusion, and pass through the external screw thread spiral shell of the internal screw thread of cap nut and mouthpiece tube
Conjunction screws, thus Butt sealing.The utility model can carry out dual-seals to 1000 DEG C of high pressure gas below, to room temperature and
Elevated-temperature seal it is adaptable, can be used for docking the pipeline for being related to high temperature and high pressure gas.
Above-mentioned two patent has been all made of curved surface pier nose and flared type double thread connector is cooperatively connected, and improves traditional technology
The shortcomings that middle conical surface pier nose and flared type double thread connector adaptive ability are poor, are easy to happen leakage.But at present existing
Technology still has defect, and since the sealing device is chronically in high temperature and high pressure environment, after long-time use, interface is answered
The problem of power abrasion still will appear leakage, always affect the service life problem of the workpiece.
Utility model content
According to the above-mentioned deficiencies of the prior art, the utility model provides a kind of for the double of automobile engine mesohigh pipeline
Resealing device has the characteristics that structure is simple, leakproofness is strong, long service life.
A kind of double-sealing device for automobile engine mesohigh pipeline described in the utility model, feature exist
In: including pier nose formula switching device, double thread connector, locking nut, ring flange A and ring flange B, wherein the pier nose formula turns
Connection device includes the tube body with hollow structure, and tube body one end end has pier nose structure, and the other end is connected with pressure duct,
The tail end of the pier nose has spherical steps；The double thread connector has hollow structure, and wherein one end end face offers and pier
The shrinkage pool of the pier nose cooperation of hair style switching device, has between the shrinkage pool and pier nose and the cooperation that the two relatively rotates can be achieved
Face is set with ring flange A on the end external screw thread；The locking nut coaxial package is on the tube body of pier nose formula switching device, lock
The internal screw thread of tight nut is matched with double thread connector, and one end on the locking nut inner wall far from pier nose is provided with protrusion,
And the protrusion and the mating surface of spherical steps are the conical surface, the locking nut is provided with ring flange B, institute far from the side of pier nose
Ring flange B coaxial package is stated on the tube body of pier nose formula switching device, the ring flange A is mutually fixed with ring flange B by bolt
Cooperation.
The ring flange A ring flange B is provided with rubber sheet gasket in the mating surface of locking nut respectively.
In the utility model, the cooperation of ring flange A and ring flange B primarily serve three effects, first is that rising to locking nut
To locking function is reinforced, guarantee the sealing effect between pier nose formula switching device and double thread connector；Second is that being used in long-time
Later, play the role of fine tuning, by the bolt between regulating flange disk A and ring flange B, reinforce the locking of locking nut again
There is risk of leakage after preventing long-time use in function；Third is that matching with rubber sheet gasket, locking nut both ends is made to play reinforcement
The effect of sealing.
In order to realize the angular turn between pier nose formula switching device and double thread connector, the utility model provides three kinds
Technical solution:
First is that the shrinkage pool is flared type, conical surface angle is 56~89 degree, and the front end of pier nose is involute pier nose face.
Second is that the shrinkage pool is flared type, conical surface angle is 56~89 degree, and the front end of pier nose is oval pier nose face.
Third is that the shrinkage pool is embedded spherical surface, the front end of pier nose is spherical pier nose face.
The protrusion and the mating surface of spherical steps are the conical surface, and conical surface angle is 43~89 degree.
The pier nose formula switching device, double thread connector, locking nut are all made of titanium alloy material and are made.
Utility model has the advantages that pier nose formula switching device is just formed after locking nut screwing with double thread connector
The relationship of dual-seal connection, shrinkage pool and pier nose form first sealing, form secondary seal between spherical steps and protrusion, match
Adaptive ability is strong between conjunction face, to reduce tubing leak risk.Ring flange A and ring flange B plays reinforcement to locking nut
Locking function guarantees the sealing effect between pier nose formula switching device and double thread connector, after long-time use, and can rise
To the effect of fine tuning, there is risk of leakage after preventing long-time use, and can be matched with rubber sheet gasket, makes locking nut both ends
Play the effect for reinforcing sealing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1；
Fig. 2 is the structural schematic diagram of embodiment 2；
In figure: 1, pier nose formula switching device；2, double thread connector；3, locking nut；4, ring flange A；5, ring flange B；6,
Pier nose；7, shrinkage pool；8, spherical steps；9, raised；10, rubber sheet gasket.
Specific embodiment
The utility model is further described with attached drawing with reference to embodiments.
Embodiment 1:
As shown in Figure 1, a kind of double-sealing device for automobile engine mesohigh pipeline, including pier nose formula switching dress
Set 1, double thread connector 2, locking nut 3, ring flange A4 and ring flange B5, wherein the pier nose formula switching device 1 includes having
The tube body of hollow structure, tube body one end end have 6 structure of pier nose, and the other end is connected with pressure duct, the tail of the pier nose 6
End has spherical steps 8；The double thread connector 2 has hollow structure, and wherein one end end face offers to transfer with pier nose formula and fill
The shrinkage pool 7 that 1 pier nose 6 cooperates is set, has between the shrinkage pool 7 and pier nose 6 and the mating surface that the two relatively rotates can be achieved, the end
Ring flange A4 is set on external screw thread；3 coaxial package of locking nut is on the tube body of pier nose formula switching device 1, locking screw
The internal screw thread of mother 3 is matched with double thread connector 2, and one end on 3 inner wall of locking nut far from pier nose 6 is provided with protrusion 9,
And described raised 9 be the conical surface with the mating surfaces of spherical steps 8, the locking nut 3 is provided with ring flange far from the side of pier nose 6
B5, for the ring flange B5 coaxial package on the tube body of pier nose formula switching device 1, the ring flange A4 and ring flange B5 pass through spiral shell
Bolt phase secure fit.
Wherein, the ring flange A4 ring flange B5 respectively be provided with rubber sheet gasket 10 in the mating surface of locking nut 3.
The shrinkage pool 7 is flared type, and conical surface angle is 65 degree, and the front end of pier nose 6 is involute pier nose face.
Described raised 9 with the mating surfaces of spherical steps 8 be the conical surface, and conical surface angle is 55 degree.
The pier nose formula switching device 1, double thread connector 2, locking nut 3 are all made of titanium alloy material and are made.
It is worth noting that, the front end of pier nose is using oval pier nose face in another scheme of the utility model, due to ellipse
Circular curve and involute are approximate, therefore can carry out according to actual needs when specific processing, and it is independent no longer to do Additional examples of composition
The case where front end of pier nose is using oval pier nose face is described.
Embodiment 2:
Such as Fig. 2, a kind of double-sealing device for automobile engine mesohigh pipeline, including pier nose formula switching device 1,
Double thread connector 2, locking nut 3, ring flange A4 and ring flange B5, wherein the pier nose formula switching device 1 includes with hollow
The tube body of structure, tube body one end end have 6 structure of pier nose, and the other end is connected with pressure duct, the tail end tool of the pier nose 6
There are spherical steps 8；The double thread connector 2 has hollow structure, and wherein one end end face offers and pier nose formula switching device 1
The shrinkage pool 7 that pier nose 6 cooperates has between the shrinkage pool 7 and pier nose 6 and the mating surface that the two relatively rotates can be achieved, spiral shell outside the end
Ring flange A4 is set on line；3 coaxial package of locking nut on the tube body of pier nose formula switching device 1, locking nut 3
Internal screw thread is matched with double thread connector 2, and one end on 3 inner wall of locking nut far from pier nose 6 is provided with protrusion 9, and institute
Stating protrusion 9 and the mating surface of spherical steps 8 is the conical surface, and the locking nut 3 is provided with ring flange B5 far from the side of pier nose 6,
For the ring flange B5 coaxial package on the tube body of pier nose formula switching device 1, the ring flange A4 and ring flange B5 pass through bolt
Phase secure fit.
Wherein, the ring flange A4 ring flange B5 respectively be provided with rubber sheet gasket 10 in the mating surface of locking nut 3.
The shrinkage pool 7 is embedded spherical surface, and the front end of pier nose 6 is spherical pier nose face.
Described raised 9 with the mating surfaces of spherical steps 8 be the conical surface, and conical surface angle is 55 degree.
The pier nose formula switching device 1, double thread connector 2, locking nut 3 are all made of titanium alloy material and are made.
Claims (7)
1. a kind of double-sealing device for automobile engine mesohigh pipeline, it is characterised in that: transfer and fill including pier nose formula
It sets, double thread connector, locking nut, ring flange A and ring flange B, wherein the pier nose formula switching device includes having hollow knot
The tube body of structure, tube body one end end have pier nose structure, and the other end is connected with pressure duct, and the tail end of the pier nose has ball
Shape step；The double thread connector has hollow structure, and wherein one end end face is offered matches with the pier nose of pier nose formula switching device
The shrinkage pool of conjunction has between the shrinkage pool and pier nose and the mating surface that the two relatively rotates can be achieved, is set on the end external screw thread
Ring flange A；The locking nut coaxial package is on the tube body of pier nose formula switching device, the internal screw thread and double thread of locking nut
Connector matches, and one end on the locking nut inner wall far from pier nose is provided with protrusion, and the protrusion and spherical steps
Mating surface is the conical surface, and the locking nut is provided with ring flange B far from the side of pier nose, and the ring flange B coaxial package is in pier
On the tube body of hair style switching device, the ring flange A and ring flange B pass through bolt phase secure fit.
2. a kind of double-sealing device for automobile engine mesohigh pipeline according to claim 1, feature exist
In being provided with rubber sheet gasket on: the ring flange A ring flange the B respectively mating surface with locking nut.
3. a kind of double-sealing device for automobile engine mesohigh pipeline according to claim 1, feature exist
In: the shrinkage pool is flared type, and conical surface angle is 56~89 degree, and the front end of pier nose is involute pier nose face.
4. a kind of double-sealing device for automobile engine mesohigh pipeline according to claim 1, feature exist
In: the shrinkage pool is flared type, and conical surface angle is 56~89 degree, and the front end of pier nose is oval pier nose face.
5. a kind of double-sealing device for automobile engine mesohigh pipeline according to claim 1, feature exist
In: the shrinkage pool is embedded spherical surface, and the front end of pier nose is spherical pier nose face.
6. a kind of according to claim 1, double-sealing device for automobile engine mesohigh pipeline described in 3,4 or 5,
Be characterized in that: the raised mating surface with spherical steps is the conical surface, and conical surface angle is 43~89 degree.
7. a kind of double-sealing device for automobile engine mesohigh pipeline according to claim 1, feature exist
In: the pier nose formula switching device, double thread connector, locking nut are all made of titanium alloy material and are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820990800.6U CN208535385U (en) | 2018-06-21 | 2018-06-21 | A kind of double-sealing device for automobile engine mesohigh pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820990800.6U CN208535385U (en) | 2018-06-21 | 2018-06-21 | A kind of double-sealing device for automobile engine mesohigh pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208535385U true CN208535385U (en) | 2019-02-22 |
Family
ID=65378993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820990800.6U Expired - Fee Related CN208535385U (en) | 2018-06-21 | 2018-06-21 | A kind of double-sealing device for automobile engine mesohigh pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208535385U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612938A (en) * | 2018-06-21 | 2018-10-02 | 江苏腾驰科技有限公司 | A kind of double-sealing device for automobile engine mesohigh pipeline |
| CN113464751A (en) * | 2021-06-16 | 2021-10-01 | 中船动力研究院有限公司 | High-pressure oil pipe and high-pressure oil pipe assembling method |
-
2018
- 2018-06-21 CN CN201820990800.6U patent/CN208535385U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612938A (en) * | 2018-06-21 | 2018-10-02 | 江苏腾驰科技有限公司 | A kind of double-sealing device for automobile engine mesohigh pipeline |
| CN113464751A (en) * | 2021-06-16 | 2021-10-01 | 中船动力研究院有限公司 | High-pressure oil pipe and high-pressure oil pipe assembling method |
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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 |
Granted publication date: 20190222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |