CN208535362U - A kind of secondary sealer for automobile engine mesohigh pipeline - Google Patents
A kind of secondary sealer for automobile engine mesohigh pipeline Download PDFInfo
- Publication number
- CN208535362U CN208535362U CN201820989030.3U CN201820989030U CN208535362U CN 208535362 U CN208535362 U CN 208535362U CN 201820989030 U CN201820989030 U CN 201820989030U CN 208535362 U CN208535362 U CN 208535362U
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- CN
- China
- Prior art keywords
- pier nose
- locking nut
- switching device
- automobile engine
- formula switching
- 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, more particularly to a kind of secondary sealer for automobile engine mesohigh pipeline: including pier nose formula switching device, double thread connector, locking nut, wherein, 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, to reduce tubing leak risk.The rotation that certain angle may be implemented between pier nose formula switching device and double thread connector, substantially increases assembly precision, ensure that properties of product quality.
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 secondary sealer 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 pier nose formula switching device and double thread connector are once fixed, and connection works as chance in rigidity between the two
When to some special mounting environment, need to can be realized certain angular turn between the two, so that assembly precision is improved, and it is current
The prior art cannot achieve angular turn between the two.
Utility model content
According to the above-mentioned deficiencies of the prior art, the utility model provides a kind of two for automobile engine mesohigh pipeline
Secondary sealing device has the characteristics that simple structure, adjustable angle, leakproofness are strong.
A kind of secondary sealer for automobile engine mesohigh pipeline described in the utility model, feature exist
In: including pier nose formula switching device, double thread connector, locking nut, wherein the pier nose formula switching device includes with hollow
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
Spherical steps；The double thread connector has hollow structure, and wherein one end end face offers the pier nose with pier nose formula switching device
The shrinkage pool of cooperation has between the shrinkage pool and pier nose and the mating surface that the two relatively rotates can be achieved；The locking nut is coaxial
It is sleeved on the tube body of pier nose formula switching device, the internal screw thread of locking nut is matched with double thread connector, the locking nut
One end on 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 protrusion
There is gap between most inner side and the tube body of pier nose formula switching device.
In order to realize the angular turn between pier nose formula switching device and double thread connector, realized by two o'clock, first is that
Have between the shrinkage pool and pier nose and the mating surface that the two relatively rotates can be achieved, it is desirable that at least one face is bent between the two
Face is equally also required to require have both achievable relatively rotate between protrusion and spherical steps to realize opposite rotation
Mating surface；Second is that have enough gaps in rotation process, to realize the space of rotation, therefore, raised most inner side and pier
There is gap between the tube body of hair style switching device.
Wherein, preferred embodiment is as follows:
Double thread connector one end outer peripheral surface is provided with the first external screw thread and matches with the internal screw thread of locking nut, separately
The second external screw thread is provided on the outer peripheral surface of one end, middle-end is provided with outer-hexagonal.
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, from
And reduce tubing leak risk.The rotation of certain angle may be implemented between pier nose formula switching device and double thread connector, significantly
Assembly precision is improved, ensure that properties of product quality.
Detailed description of the invention
Fig. 1 is the structural schematic diagram I of embodiment 1；
Fig. 2 is the structural schematic diagram II of embodiment 1；
Fig. 3 is the structural schematic diagram I of embodiment 2；
Fig. 4 is the structural schematic diagram II of embodiment 2；
In figure: 1, double thread connector；2, the first external screw thread；3, locking nut；4, internal screw thread；5, shrinkage pool；6, pier nose；7, ball
Shape step；8, raised；9, pier nose formula switching device；10, outer-hexagonal；11, the second external screw thread.
Specific embodiment
The utility model is further described with attached drawing with reference to embodiments.
Embodiment 1:
As depicted in figs. 1 and 2, a kind of secondary sealer for automobile engine mesohigh pipeline, including pier nose formula
Switching device 9, double thread connector 1, locking nut 3, wherein the pier nose formula switching device 9 includes the pipe with hollow structure
Body, tube body one end end have 6 structure of pier nose, and the other end is connected with pressure duct, and the tail end of the pier nose 6 has spherical platform
Rank 7；The double thread connector 1 have hollow structure, 1 one end outer peripheral surface of double thread connector be provided with the first external screw thread 2 and
It is matched with the internal screw thread 4 of locking nut 3, the second external screw thread 11 is provided on other end outer peripheral surface, middle-end is provided with outer-hexagonal
10, the end face where the first external screw thread 2 offers the shrinkage pool 5 with the cooperation of the pier nose 6 of pier nose formula switching device 9, the shrinkage pool 5 with
Have between pier nose 6 and the mating surface that the two relatively rotates can be achieved；3 coaxial package of locking nut is in pier nose formula switching device
On 9 tube body, one end on 3 inner wall of locking nut far from pier nose 6 is provided with protrusion 8, and described raised 8 and spherical steps
7 mating surface is the conical surface, has gap between raised 8 most inner side and the tube body of pier nose formula switching device 9.
Wherein, the shrinkage pool 5 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 8 with the mating surfaces of spherical steps 7 be the conical surface, and conical surface angle is 55 degree.
The pier nose formula switching device 9, double thread connector 1, 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:
As shown in Figure 3 and Figure 4, a kind of secondary sealer for automobile engine mesohigh pipeline, including pier nose formula
Switching device 9, double thread connector 1, locking nut 3, wherein the pier nose formula switching device 9 includes the pipe with hollow structure
Body, tube body one end end have 6 structure of pier nose, and the other end is connected with pressure duct, and the tail end of the pier nose 6 has spherical platform
Rank 7；The double thread connector 1 have hollow structure, 1 one end outer peripheral surface of double thread connector be provided with the first external screw thread 2 and
It is matched with the internal screw thread 4 of locking nut 3, the second external screw thread 11 is provided on other end outer peripheral surface, middle-end is provided with outer-hexagonal
10, the end face where the first external screw thread 2 offers the shrinkage pool 5 with the cooperation of the pier nose 6 of pier nose formula switching device 9, the shrinkage pool 5 with
Have between pier nose 6 and the mating surface that the two relatively rotates can be achieved；3 coaxial package of locking nut is in pier nose formula switching device
On 9 tube body, one end on 3 inner wall of locking nut far from pier nose 6 is provided with protrusion 8, and described raised 8 and spherical steps
7 mating surface is the conical surface, has gap between raised 8 most inner side and the tube body of pier nose formula switching device 9.
Wherein, the shrinkage pool 5 is embedded spherical surface, and the front end of pier nose 6 is spherical pier nose face.
Described raised 8 with the mating surfaces of spherical steps 7 be the conical surface, and conical surface angle is 55 degree.
The pier nose formula switching device 9, double thread connector 1, locking nut 3 are all made of titanium alloy material and are made.
Claims (7)
1. a kind of secondary sealer for automobile engine mesohigh pipeline, it is characterised in that: transfer and fill including pier nose formula
It sets, double thread connector, locking nut, wherein the pier nose formula switching device includes the tube body with hollow structure, tube body one end
End has pier nose structure, and the other end is connected with pressure duct, and the tail end of the pier nose has spherical steps；The double thread
Connector has hollow structure, and wherein one end end face offers the shrinkage pool with the cooperation of the pier nose of pier nose formula switching device, the shrinkage pool
Have between pier nose and the mating surface that the two relatively rotates can be achieved；The locking nut coaxial package is in pier nose formula switching device
Tube body on, the internal screw thread of locking nut is matched with double thread connector, on the locking nut inner wall far from pier nose one end
It is provided with protrusion, and the protrusion and the mating surface of spherical steps are the conical surface, most inner side and pier nose the formula switching of the protrusion fill
There is gap between the tube body set.
2. a kind of secondary sealer for automobile engine mesohigh pipeline according to claim 1, feature exist
In: double thread connector one end outer peripheral surface is provided with the first external screw thread and matches with the internal screw thread of locking nut, the other end
The second external screw thread is provided on outer peripheral surface, middle-end is provided with outer-hexagonal.
3. a kind of secondary sealer 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 secondary sealer 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 secondary sealer 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, secondary sealer 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 secondary sealer 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 |
|---|---|---|---|
| CN201820989030.3U CN208535362U (en) | 2018-06-21 | 2018-06-21 | A kind of secondary sealer for automobile engine mesohigh pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820989030.3U CN208535362U (en) | 2018-06-21 | 2018-06-21 | A kind of secondary sealer for automobile engine mesohigh pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208535362U true CN208535362U (en) | 2019-02-22 |
Family
ID=65392484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820989030.3U Expired - Fee Related CN208535362U (en) | 2018-06-21 | 2018-06-21 | A kind of secondary sealer for automobile engine mesohigh pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208535362U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612935A (en) * | 2018-06-21 | 2018-10-02 | 江苏腾驰科技有限公司 | A kind of secondary sealer for automobile engine mesohigh pipeline |
| CN114607838A (en) * | 2022-03-16 | 2022-06-10 | 中国船舶科学研究中心 | Pipeline cabin-crossing connecting structure for oxygen transmission between deep-sea titanium alloy pressure-resistant shells |
-
2018
- 2018-06-21 CN CN201820989030.3U patent/CN208535362U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612935A (en) * | 2018-06-21 | 2018-10-02 | 江苏腾驰科技有限公司 | A kind of secondary sealer for automobile engine mesohigh pipeline |
| CN114607838A (en) * | 2022-03-16 | 2022-06-10 | 中国船舶科学研究中心 | Pipeline cabin-crossing connecting structure for oxygen transmission between deep-sea titanium alloy pressure-resistant shells |
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| 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 |