CN208364281U - A kind of engine high pressure oil pipe joint structure - Google Patents
A kind of engine high pressure oil pipe joint structure Download PDFInfo
- Publication number
- CN208364281U CN208364281U CN201820785656.2U CN201820785656U CN208364281U CN 208364281 U CN208364281 U CN 208364281U CN 201820785656 U CN201820785656 U CN 201820785656U CN 208364281 U CN208364281 U CN 208364281U
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- CN
- China
- Prior art keywords
- pressure oil
- oil pipe
- high pressure
- pipe joint
- joint structure
- 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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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of engine high pressure oil pipe joint structures, including nut structure and the high-pressure oil pipe being set in nut structure, threaded hole is provided in the nut structure, 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 structure, which is located at below limiting stand, is provided with intrusion slot, the sealing element for being embedded in intrusion slot is bonded at the high-pressure oil pipe head, the utility model is structurally reasonable, the sealing element clamping being arranged outside high-pressure oil pipe head is arranged in the intrusion slot of 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 connection 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 structure, is equipped in the nut structure
Internal screw thread, the nut structure is interior equipped with high-pressure oil pipe limiting stand and high-pressure oil pipe mounting hole, described in nut structure 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 joint structure, it is arranged outside high-pressure oil pipe head
Sealing element clamping is arranged in the intrusion slot of 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 joint structure, including nut structure and the high-pressure oil pipe that is set in nut structure,
Be provided in the nut structure threaded hole, for for high-pressure oil pipe head against limiting stand and for for high-pressure oil pipe
The through-hole that pipe portion passes through, the nut structure, which is located at below limiting stand, is provided with intrusion slot, glues at the high-pressure oil pipe head
It is connected to the sealing element for being embedded in intrusion slot.
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
Against limit, nut structure is arranged in the sealing element clamping that the utility model main high voltage oil pipe head peripheral hardware is set on oil pipe head
In intrusion slot, to reach oil-leakage-prevention purpose；Furthermore intrusion slot has position-limiting action to sealing element, so, it is possible to high pressure oil
Pipe is preliminarily fixed, convenient for docking closely with oil duct on engine.
Preferably, the intrusion slot is provided with slide-in inclined-plane close to the side of limiting stand.
By adopting the above technical scheme, slide into inclined-plane be conducive to sealing element slide-in, while will not by the scraping of intrusion slot,
Operating comfort is improved, and is improved service life.
Preferably, the nut structure, which is located at intrusion slot, offers tank filler sleeve.
By adopting the above technical scheme, lubricating oil is added into tank filler sleeve, so as to realize to sealing element and intrusion slot it
Between be lubricated, reach rotating nuts structure smoothly purpose.
Preferably, the nut structure includes round tube portion and hex nut portion, the hex nut portion is connected to round tube
It extends radially outwardly at portion and is provided with abutting step, rubber sleeve is socketed with outside the 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.
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.
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, inclined-plane is slid into；9, the first inclined-plane；10, the second inclined-plane；11, intrusion slot；12, tank filler sleeve；13, head；14, pipe portion；
15, sealing element.
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 and 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.
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 offers cricoid intrusion slot 11, and 13 lower part of the head of high-pressure oil pipe is provided with sealing element 15, sealing element 15
It can be the ring-shaped rubber structure vulcanized together with high-pressure oil pipe head 13, it can also be cementing on high-pressure oil pipe using seccotine
Sealing ring, when high-pressure oil pipe abuts at limiting stand 4, sealing ring is just connected to inside intrusion slot 11, to improve close
Seal effect.
It is slid into intrusion slot 11 for the ease of sealing element 15, the present embodiment is in intrusion slot 11 close to the side of limiting stand 4
It is provided with and slides into inclined-plane 8, slide into inclined-plane 8 and be conducive to the slide-in of sealing element 15, while will not be improved by the scraping of intrusion slot 11
Operating comfort, and improve service life.
Furthermore it is located at intrusion slot 11 in nut structure and offers tank filler sleeve 12, lubricating oil is added into tank filler sleeve 12, from
And can be realized to being lubricated between sealing element 15 and intrusion slot 11, reach rotating nuts structure smoothly purpose.
Round tube portion 1 is provided with the second inclined-plane 10 of annular in the lower part of limiting stand 4；Round tube portion 1 is under the second inclined-plane 10
Portion is continuously provided with extended segment 7, and the aperture of extended segment 7 is identical as the lower edge ring diameter on the second inclined-plane 10.In the lower section of extended segment 7
It is provided with through-hole 5, the aperture of through-hole 5 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.
High-pressure oil pipe is put into nut structure, 13 outer wall of head of high-pressure oil pipe is contradicted to 1 outer wall of round tube portion and supported
Tightly, and 13 lower part of high-pressure oil pipe head abuts on limiting stand 4, and high-pressure oil pipe head 13 lower bevel fitting be set to
Second inclined-plane 10 increases the fitting area between high-pressure oil pipe head 13 and round tube portion 1 by the second inclined-plane 10, reduces high pressure
Gap between oil pipe and round tube portion 1, improves tightness.
For fettering high-pressure oil pipe pipe portion 14, realize after fitting has certain sealing effect between the two for extended segment 7, prevents
Leakage effect is further promoted；Generally, high-pressure oil pipe has bend pipe section, is arranged in hex nut portion 2 away from the one end in round tube portion 1
There is chamfering；If not opening up chamfering, bend pipe section is easy to encounter the outer rim in hex nut portion 2, causes to scrape, and is provided with
Angle avoids the abrasion of high-pressure oil pipe.
Claims (7)
1. a kind of engine high pressure oil pipe joint structure, including nut structure and the high-pressure oil pipe being set in nut structure, institute
State be provided in nut structure threaded hole (3), for for high-pressure oil pipe head (13) against limiting stand (4) and for supplying
The through-hole (5) that high-pressure oil pipe pipe portion (14) passes through, which is characterized in that the nut structure is located at the lower section setting of limiting stand (4)
Have intrusion slot (11), the sealing element (15) for being embedded in intrusion slot (11) is bonded at the high-pressure oil pipe head (13).
2. a kind of engine high pressure oil pipe joint structure according to claim 1, which is characterized in that the intrusion slot (11)
It is provided with close to the side of limiting stand (4) and slides into inclined-plane (8).
3. a kind of engine high pressure oil pipe joint structure according to claim 2, which is characterized in that the nut structure position
Tank filler sleeve (12) are offered at intrusion slot (11).
4. a kind of engine high pressure oil pipe joint structure according to claim 3, which is characterized in that the nut structure packet
Round tube portion (1) and hex nut portion (2) are included, the hex nut portion (2) is connected at round tube portion (1) setting that extends radially outwardly
Have abutting step (6), rubber sleeve is socketed with outside the round tube portion (1), the rubber sleeve, which is connected to, abuts step (6).
5. a kind of engine high pressure oil pipe joint structure according to claim 4, which is characterized in that the round tube portion (1)
One end for grafting rubber sleeve is provided with the first inclined-plane (9).
6. a kind of engine high pressure oil pipe joint structure according to claim 5, 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.
7. a kind of engine high pressure oil pipe joint structure according to claim 6, which is characterized in that the extended segment (7)
It is provided between limiting stand (4) the second inclined-plane (10), second inclined-plane (10) is external mutually suitable with high-pressure oil pipe head (13)
Match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820785656.2U CN208364281U (en) | 2018-05-25 | 2018-05-25 | A kind of engine high pressure oil pipe joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820785656.2U CN208364281U (en) | 2018-05-25 | 2018-05-25 | A kind of engine high pressure oil pipe joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208364281U true CN208364281U (en) | 2019-01-11 |
Family
ID=64930137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820785656.2U Expired - Fee Related CN208364281U (en) | 2018-05-25 | 2018-05-25 | A kind of engine high pressure oil pipe joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208364281U (en) |
-
2018
- 2018-05-25 CN CN201820785656.2U patent/CN208364281U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| 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. |
|
| 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: 20190111 |