CN208364272U - A kind of engine high pressure oil pipe nut structure - Google Patents
A kind of engine high pressure oil pipe nut structure Download PDFInfo
- Publication number
- CN208364272U CN208364272U CN201820786785.3U CN201820786785U CN208364272U CN 208364272 U CN208364272 U CN 208364272U CN 201820786785 U CN201820786785 U CN 201820786785U CN 208364272 U CN208364272 U CN 208364272U
- Authority
- CN
- China
- Prior art keywords
- pressure oil
- oil pipe
- nut
- round tube
- high pressure
- 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
Links
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of engine high pressure oil pipe nut structures, including nut body, threaded hole is provided in the nut body, for for high-pressure oil pipe head against limiting stand, and the through-hole for being passed through for high-pressure oil pipe pipe portion, the nut body includes the round tube portion and hex nut portion being connected, the threaded hole, limiting stand and through-hole are set in round tube portion, annular groove is coaxially offered in the hex nut portion, sealing element is placed in the annular groove, the utility model is structurally reasonable, pass through the annular groove of setting, and sealing element is embedded in annular groove, it is sealed by sealing element between high-pressure oil pipe and nut structure, to reach oil-leakage-prevention purpose.
Description
Technical field
The utility model relates to a kind of engine oil tube fixing piece, in particular to a kind of engine high pressure oil pipe nut knot
Structure.
Background technique
Ordinary high pressure oil pipe nut structure is widely applied in engine high pressure oil pipe at present.
In order to avoid the end of nut be easy to cause the fracture of high-pressure oil pipe, notification number is the practical new of CN204357604U
Type patent discloses a kind of novel engine high pressure oil pipe nut structure, including nut body, is equipped in the nut body
Internal screw thread, the nut body is interior equipped with high-pressure oil pipe limiting stand and high-pressure oil pipe mounting hole, described in nut body one end one
Body is equipped with extended segment, is equipped with the centre bore isometrical with high-pressure oil pipe mounting hole, the outer circle of the extended segment in the extended segment
Week is equipped with clamping part.
In the above-mentioned technical solutions, the anti-fracture processing at nut end to high-pressure oil pipe is realized, but general high voltage
Unavoidably there is oil leakage phenomenon at oil connection, the oil-leakage-prevention measure between nut interior and high-pressure oil pipe is to be improved.
Utility model content
The purpose of the utility model is to provide a kind of engine high pressure oil pipe nut structures, by the annular groove of setting, and
It is embedded with sealing element in annular groove, is sealed by sealing element between high-pressure oil pipe and nut structure, to reach oil-leakage-prevention
Purpose.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of engine high pressure oil pipe nut structure, including nut body are provided with threaded hole in the nut body, use
In for high-pressure oil pipe head against limiting stand and through-hole for being passed through for high-pressure oil pipe pipe portion, the nut body packet
The round tube portion and hex nut portion being connected are included, the threaded hole, limiting stand and through-hole are set in round tube portion, the hexagonal spiral shell
Annular groove is coaxially offered in female portion, is placed with sealing element in the annular groove.
By adopting the above technical scheme, threaded hole is used to be mounted on the corresponding joints of engine, and limiting stand is used for for high pressure
Oil pipe head applies active force, the utility model master using tools such as spanners convenient for staff against limit, hex nut portion
An annular groove is offered in hex nut portion, and is embedded in sealing element in the annular groove, and sealing element inner ring is pushed against in high-pressure oil pipe
Outer wall, to reach certain sealing effect.
Preferably, the hex nut portion, which is connected at round tube portion to extend radially outwardly, is provided with abutting step, it is described
Rubber sleeve is socketed with outside round tube portion, the rubber sleeve is connected to abutting step.
By adopting the above technical scheme, it is socketed a rubber sleeve again in the outside of nut structure, further increases sealing effect, reaches
The purpose of oil-leakage-prevention is arrived.
Preferably, the one end of the round tube portion for grafting rubber sleeve is provided with the first inclined-plane；Setting inside rubber sleeve
There is the inclined-plane being bonded with the first inclined-plane, for increasing fitting area.
By adopting the above technical scheme, it slides into and is socketed convenient for rubber sleeve.
Preferably, being provided with extended segment between the limiting stand and through-hole, the extended segment aperture is less than through-hole aperture.
By adopting the above technical scheme, for fettering high-pressure oil pipe pipe portion, realize after fitting has centainly close between the two
Effect is sealed, leak preventing effect is further promoted.
Preferably, the second inclined-plane is provided between the extended segment and limiting stand, second inclined-plane and high-pressure oil pipe
It is adapted outside head.
By adopting the above technical scheme, the fitting area between high-pressure oil pipe head and round tube portion is increased, high pressure oil is reduced
Gap between pipe and round tube portion, improves tightness.
Preferably, the hex nut portion is provided with chamfering away from the one end in round tube portion.
By adopting the above technical scheme, high-pressure oil pipe has bend pipe section, if not opening up chamfering, bend pipe section is easy to encounter six
The outer rim of angle nut portions causes to scrape, and is provided with chamfering, avoids the abrasion of high-pressure oil pipe.
Preferably, the outer end of the annular groove is provided with third inclined-plane.
By adopting the above technical scheme, convenient for the slide-in of sealing element, wiper seals when avoiding sliding into.
Preferably, the position in round tube portion connection hex nut portion is additionally provided with wide diameter portion.
By adopting the above technical scheme, tensioning of the lower end of rubber sleeve by wide diameter portion, to achieve the purpose that not easily to fall off.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the schematic diagram of internal structure of embodiment.
Appended drawing reference: 1, round tube portion；2, hex nut portion；3, threaded hole；4, limiting stand；5, through-hole；6, step is abutted；7,
Extended segment；8, chamfering；9, the first inclined-plane；10, the second inclined-plane；11, third inclined-plane；12, wide diameter portion.
Specific embodiment
As described below is only preferred embodiments of the present invention, and protection scope is not limited merely to the embodiment, all
The protection scope of the utility model should belong in the technical solution belonged under the utility model thinking.Simultaneously it should be pointed out that for
For those skilled in the art, several improvements and modifications without departing from the principle of the utility model, this
A little improvements and modifications also should be regarded as the protection scope of the utility model.
See Fig. 1 to 2, a kind of engine high pressure oil pipe nut structure includes round tube portion 1 and 2 one of hex nut portion at
The nut body of type, hex nut portion 2, which is connected at round tube portion 1 to extend radially outwardly to be provided with, abuts step 6, outside round tube portion 1
It is socketed rubber sleeve, rubber sleeve, which is connected to, abuts step 6, improves sealing effect by rubber sleeve, has reached the mesh of oil-leakage-prevention
's.The one end of round tube portion 1 for grafting rubber sleeve is provided with the first inclined-plane 9, facilitates rubber sleeve by the first inclined-plane 9 and slides into simultaneously
Socket, and rubber sleeve is internally provided with the inclined-plane being bonded with the first inclined-plane 9, for increasing fitting area.In order to realize rubber sleeve
It is not easily to fall off, it is additionally provided with wide diameter portion 12 at the position that round tube portion 1 connects hex nut portion 2, wide diameter portion 12 is particularly configured to set
It sets the overstriking portion in 1 lower part of round tube portion and is diameter by increase.
Threaded hole 3 is offered in round tube portion 1, the lower end of threaded hole 3, which extends internally, is provided with the limiting stand 4 of ring-shaped, limit
The lower part of position platform 4 is provided with the second inclined-plane 10 of annular；Round tube portion 1 is continuously provided with extended segment 7 in the lower part on the second inclined-plane 10,
The aperture of extended segment 7 is identical as the lower edge ring diameter on the second inclined-plane 10.The lower section of extended segment 7 is provided with through-hole 5, through-hole 5
Aperture is greater than the aperture of extended segment 7.The lower section that round tube portion 1 is located at through-hole 5 is hex nut portion 2, and the present embodiment is in hex nut
Annular groove is coaxially offered in portion 2, sealing element is placed in the annular groove, using sealing ring as sealing element.
High-pressure oil pipe to be put into nut structure, the head outer wall of high-pressure oil pipe is contradicted to 1 outer wall of round tube portion and is pushed against,
And high-pressure oil pipe head lower part abuts on limiting stand 4, and the lower bevel fitting on high-pressure oil pipe head is set to second tiltedly
Face 10 increases the fitting area between high-pressure oil pipe head and round tube portion 1 by the second inclined-plane 10, reduces high-pressure oil pipe and circle
Gap between pipe portion 1, improves tightness.
For fettering high-pressure oil pipe pipe portion, realize after fitting has certain sealing effect, leakproof between the two for extended segment 7
Effect is further promoted；And the sealing ring inner ring in annular groove is pushed against in high-pressure oil pipe outer wall, thus reach certain sealing effect,
For convenience by the slide-in of sealing element, wiper seals when avoiding sliding into, hex nut portion 2 is located at the following of annular groove and is provided with the
Three inclined-planes 11.
Generally, high-pressure oil pipe has bend pipe section, and the one end in round tube portion 1 is provided with chamfering 8 in hex nut portion 2；
If not opening up chamfering 8, bend pipe section is easy to encounter the outer rim in hex nut portion 2, causes to scrape, and is provided with chamfering 8, avoids
The abrasion of high-pressure oil pipe.
Claims (8)
1. a kind of engine high pressure oil pipe nut structure, including nut body, be provided in the nut body threaded hole (3),
For for high-pressure oil pipe head against limiting stand (4) and through-hole (5) for being passed through for high-pressure oil pipe pipe portion, feature
It is, the nut body includes the round tube portion (1) and hex nut portion (2) being connected, the threaded hole (3), limiting stand (4)
It is set in round tube portion (1) with through-hole (5), coaxially offers annular groove in the hex nut portion (2), be placed in the annular groove
Sealing element.
2. a kind of engine high pressure oil pipe nut structure according to claim 1, which is characterized in that the hex nut portion
(2) it is connected at round tube portion (1) to extend radially outwardly to be provided with and abuts step (6), rubber is socketed with outside the round tube portion (1)
Set, the rubber sleeve, which is connected to, abuts step (6).
3. a kind of engine high pressure oil pipe nut structure according to claim 2, which is characterized in that the round tube portion (1)
One end for grafting rubber sleeve is provided with the first inclined-plane (9).
4. a kind of engine high pressure oil pipe nut structure according to claim 3, which is characterized in that the limiting stand (4)
It is provided between through-hole (5) extended segment (7), extended segment (7) aperture is less than through-hole (5) aperture.
5. a kind of engine high pressure oil pipe nut structure according to claim 4, which is characterized in that the extended segment (7)
It is provided between limiting stand (4) the second inclined-plane (10), is adapted outside second inclined-plane (10) and high-pressure oil pipe head.
6. a kind of engine high pressure oil pipe nut structure according to claim 5, which is characterized in that the hex nut portion
(2) one end away from round tube portion (1) is provided with chamfering (8).
7. a kind of engine high pressure oil pipe nut structure according to claim 1, which is characterized in that the outer end of the annular groove
It is provided with third inclined-plane (11).
8. a kind of engine high pressure oil pipe nut structure according to claim 1, which is characterized in that the round tube portion connection
The position in hex nut portion is additionally provided with wide diameter portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820786785.3U CN208364272U (en) | 2018-05-25 | 2018-05-25 | A kind of engine high pressure oil pipe nut structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820786785.3U CN208364272U (en) | 2018-05-25 | 2018-05-25 | A kind of engine high pressure oil pipe nut structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208364272U true CN208364272U (en) | 2019-01-11 |
Family
ID=64930146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820786785.3U Expired - Fee Related CN208364272U (en) | 2018-05-25 | 2018-05-25 | A kind of engine high pressure oil pipe nut structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208364272U (en) |
-
2018
- 2018-05-25 CN CN201820786785.3U patent/CN208364272U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2009148245A (en) | THREADED CONNECTION WITH ELASTIC SEAL RING | |
| CN110260072A (en) | Modified free flow coupling | |
| CN208364272U (en) | A kind of engine high pressure oil pipe nut structure | |
| CN104455815A (en) | Tapered sealing pipe connector for excavator | |
| CN208364281U (en) | A kind of engine high pressure oil pipe joint structure | |
| CN208474767U (en) | A kind of plug | |
| ATE425401T1 (en) | PIPE JOINT WITH A FORMED PIPE | |
| CN205859435U (en) | A kind of easily detachable anti-leak water pipe head | |
| CN203614947U (en) | Engine joint component | |
| CN205118492U (en) | Air compressor and connector thereof | |
| CN203517064U (en) | Pipeline connecting device | |
| CN202100849U (en) | Connecting structure of spinning pipe fitting | |
| CN203517071U (en) | Hard pipe clamping and sleeving joint | |
| CN203963308U (en) | Automobile chassis SEALING FITTING assembly | |
| CN202056452U (en) | 90-DEG buckling-type pipe connector | |
| US20160033062A1 (en) | Connector Structure Capable of Effectively Preventing Broken Water Pipe from Spraying Water | |
| CN205578978U (en) | Right angle rotary joint | |
| CN201992222U (en) | Fastening-pressing type hose joint with nut | |
| DE50302697D1 (en) | Tube Fitting | |
| CN209925169U (en) | Gas ballast structure for vacuum pump | |
| CN211168104U (en) | PE storage tank of high leak protection | |
| CN205503031U (en) | Adapter sleeve for oil drilling | |
| CN205001718U (en) | Three -way joint | |
| CN205001719U (en) | Cutting sleeve type three -way joint | |
| CN205026264U (en) | Coupling and pipe joint Assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314000 Industrial Zone, Yu Xin Town, Nanhu District, Zhejiang, Jiaxing Patentee after: Jiaxing Feili Fluid Technology Co.,Ltd. Address before: 314000 Industrial Zone, Yu Xin Town, Nanhu District, Zhejiang, Jiaxing Patentee before: JIAXING FEILONG AUTOMOBILE PIPE FITTING Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |