CN209026349U - A kind of mounting device of high-pressure oil pipe - Google Patents
A kind of mounting device of high-pressure oil pipe Download PDFInfo
- Publication number
- CN209026349U CN209026349U CN201821531611.9U CN201821531611U CN209026349U CN 209026349 U CN209026349 U CN 209026349U CN 201821531611 U CN201821531611 U CN 201821531611U CN 209026349 U CN209026349 U CN 209026349U
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- China
- Prior art keywords
- pressure oil
- oil pipe
- pipe
- pipe fitting
- cold
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Abstract
The utility model discloses a kind of mounting devices of high-pressure oil pipe, belong to high-pressure oil pipe field.A kind of mounting device of high-pressure oil pipe, by the way that inner chamfer is pre-machined before cold-heading, it avoids the occurrence of machining and causes sealing surfaces lines, and cleanliness issues caused by iron filings, high-pressure oil pipe before is during cold-heading molding, there can be partial region buildup of material in pier nose, cause internal diameter that can become smaller, influence fluid latus rectum.Latus rectum, which becomes smaller, can increase the local resistance of pipe fitting trandfer fluid, influence the efficiency of transmission of fluid, but the utility model is size identical with internal diameter of tube body by pipe end bore design, inner chamfer is pre-machined before cold-heading, to remove machined burrs under straight tube state, chamfer dimesion is not less than the size after pipe end expansion；In addition, core is rushed in design in cold forge dies, it, can be with cleanliness issues caused by effective solution sealing surfaces lines and iron filings to accurately control pipe end path size after cold-heading.
Description
Technical field
Originally practical to belong to high-pressure oil pipe field more particularly to a kind of mounting device of high-pressure oil pipe.
Background technique
High-pressure oil pipe is the component part of high-pressure oil passage, it is desirable that oil pipe needs to bear certain oil pressure and has certain tired
Labor intensity, guarantee the seal request of pipeline, and automobile-used high-pressure oil pipe mainly appears on diesel engine and the high-pressure injection of high-pressure injection
In directly jetting gasoline engine, abnormal vibration at oil pressure high-pressure oil pipe joint needed for engine operation process can be born, oil leak is caused
Accident is more complicated problem.Because high-pressure oil pipe is connected to high-pressure oil pump and oil-injection machine, belong to fuel injection system, makees
With particularly significant.
High-pressure oil pipe can withstand up to the high pressure of 150MPa, and abnormal vibration will cause huge loss, and there is also very big
Fire hazard.It debugs, the open and close of oil-fuel injector needle-valve can make high-pressure oil pipe generate strong high-frequency vibration when work,
This is the one of the major reasons for causing high-pressure oil pipe to damage.For this reason, can will be fixed in the middle part of high-pressure oil pipe with clamp adjacent
To reduce resonance on the fixing pieces such as bolt.Furthermore it to hold outside the gate of the quality monitoring of high-pressure oil pipe, should correctly assemble, pipe clamp should be mounted on
Neglected loading is sure not in correct position.
But a kind of mounting device of existing high-pressure oil pipe, it is unable to control pipe end path size after cold-heading.
Utility model content
1. technical problems to be solved
It is existing in the prior art be unable to control pipe end path size after cold-heading aiming at the problem that, it is an object of the invention to
A kind of mounting device of high-pressure oil pipe is provided, it can solve existing the problem of being unable to control pipe end path size after cold-heading.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
A kind of mounting device of high-pressure oil pipe, including high-pressure oil pipe, union nut, pipe fitting, pipe end path, pipe fitting are logical
Diameter and sealing surface, the high-pressure oil pipe lower end is top to be actively socketed on inside union nut, high-pressure oil pipe lower end movable sleeve
It connects inside pipe fitting upper end, the high-pressure oil pipe lower end outside is provided with sealing surface, in the sealing surface and pipe fitting upper end
Portion mutually agrees with, and the high-pressure oil pipe is internally provided with pipe diameter all, and the pipe fitting is internally provided with pipe fitting latus rectum, described
Pipe nut interior upper end is provided with limiting slot, is provided with one layer of sealant on the outside of the pipe fitting.
It preferably, further include producing device, the producing device includes jaw, formed punch and rushes core, and the jaw inside is solid
Surely be socketed with high-pressure oil pipe, inside the high-pressure oil pipe with rush core and match, the jaw right side central is provided with locating slot, institute
It states and is flexibly connected inside locating slot with formed punch, fixing sleeve, which is connected to, inside the formed punch rushes core, and the formed punch left side central portion is provided with
Fixed groove, fixed groove inside fixing sleeve, which is connected to, rushes core.
Preferably, the high-pressure oil pipe includes conveying lever, chamfering bar and delivery port, and the conveying lever left end and chamfering bar are right
End is fixedly connected, and chamfering bar left end is fixedly connected with delivery port right end.
Preferably, the left and right sides is provided with fixed block inside the pipe fitting upper end.
3. the utility model has the advantages that
(1) the utility model avoids the occurrence of machining and causes sealing surfaces line by the way that inner chamfer is pre-machined before cold-heading
Cleanliness issues caused by road and iron filings, high-pressure oil pipe before can have part area during cold-heading molding in pier nose
Domain buildup of material causes internal diameter that can become smaller, and influences fluid latus rectum.Latus rectum, which becomes smaller, can increase the local resistance of pipe fitting trandfer fluid,
The efficiency of transmission of fluid is influenced, but the utility model is size identical with internal diameter of tube body by pipe end bore design, cold
Inner chamfer is pre-machined before upsetting, to remove machined burrs under straight tube state, chamfer dimesion is not less than the ruler after pipe end expansion
It is very little；In addition, core is rushed in design in cold forge dies, to accurately control pipe end path size after cold-heading, can be sealed with effective solution
Cleanliness issues caused by surface pattern and iron filings；
(2) during use, high-pressure oil pipe is placed in jaw for the utility model, later by pre- before cold-heading
Inner chamfer is first processed, reuses and rushes core, pipe end path size is accurately controlled, then carry out cold-heading, on the high-pressure oil pipe to complete
Conveying lever be fixedly attached to inside union nut, high-pressure oil pipe lower end is fixedly attached to inside pipe fitting upper end, and will sealing
Face is mutually agreed with pipe fitting, thus leakproofness and stability during ensure that high pressure oil transportation, to ensure that device is whole
The operation of body, and it is additionally provided with sealant and fixed block, the stability and leakproofness of joint is effectively guaranteed, guarantees
Will not be due to pressure excessive in single unit system operational process and the case where high-pressure oil pipe and pipe fitting are washed open.
Detailed description of the invention
Fig. 1 is the mounting device structural schematic diagram of the utility model；
Fig. 2 is the producing device structural schematic diagram of the utility model；
Fig. 3 is the processing evolution process schematic diagram of the utility model.
Figure label explanation:
Diameter, 6 pipe fitting latus rectums, 7 sealing surfaces, 8 are consolidated all for 1 high-pressure oil pipe, 2 limiting slots, 3 union nuts, 4 pipe fittings, 5 pipes
Determine block, 9 formed punches, 10 rushes core, 11 delivery ports, 12 jaws, 13 sealants, 14 locating slots, 15 fixed grooves, 16 conveying levers, 17 falls
Angular pole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Embodiment 1:
A kind of mounting device of high-pressure oil pipe, including high-pressure oil pipe 1, union nut 3, pipe fitting 4, pipe end path 5, pipe connect
Head latus rectum 6 and sealing surface 7,1 lower end of high-pressure oil pipe is top to be actively socketed on inside union nut 3,1 lower end movable sleeve of high-pressure oil pipe
It connects inside 4 upper end of pipe fitting, 1 lower end outside of high-pressure oil pipe is provided with sealing surface 7, sealing surface 7 and phase inside 4 upper end of pipe fitting
Agree with, high-pressure oil pipe 1 is internally provided with pipe diameter 5 all, and pipe fitting 4 is internally provided with pipe fitting latus rectum 6, inside union nut 3
Upper end is provided with limiting slot 2, and one layer of sealant 13 is provided on the outside of pipe fitting 4；
High-pressure oil pipe 1 includes conveying lever 16, chamfering bar 17 and delivery port 11, and 16 left end of conveying lever and 17 right end of chamfering bar are solid
Fixed connection, 17 left end of chamfering bar is fixedly connected with 11 right end of delivery port.
The utility model avoids the occurrence of machining and causes sealing surfaces lines by the way that inner chamfer is pre-machined before cold-heading,
And cleanliness issues caused by iron filings, high-pressure oil pipe 1 before can have partial region during cold-heading molding in pier nose
Buildup of material causes internal diameter that can become smaller, and influences fluid latus rectum.Latus rectum, which becomes smaller, can increase the local resistance of pipe fitting trandfer fluid, shadow
The efficiency of transmission of fluid is rung, but the utility model is size identical with internal diameter of tube body by pipe end bore design, in cold-heading
Before inner chamfer is pre-machined, to remove machined burrs under straight tube state, chamfer dimesion is not less than the size after pipe end expansion；
In addition, core is rushed in design in cold forge dies, it, can be with effective solution sealing surfaces to accurately control pipe end path size after cold-heading
Cleanliness issues caused by lines and iron filings.
Embodiment 2: based on embodiment 1 but different it is；
It further include producing device, producing device includes jaw 12, formed punch 9 and rushes core 10, and 12 inside fixing sleeve of jaw is connected to
High-pressure oil pipe 1, the inside of high-pressure oil pipe 1 with rush core 10 and match, 12 right side central of jaw is provided with locating slot 14, in locating slot 14
Portion is flexibly connected with formed punch 9, and 9 inside fixing sleeve of formed punch, which is connected to, rushes core 10, and 9 left side central portion of formed punch is provided with fixed groove 15, Gu
Determine 15 inside fixing sleeve of groove and be connected to rush core 10；The left and right sides is provided with fixed block 8 inside 4 upper end of pipe fitting.
During use, high-pressure oil pipe 1 is placed in jaw 12 for the utility model, later by pre- before cold-heading
Inner chamfer is first processed, reuses and rushes core 10, accurately controls pipe end path size, then carry out cold-heading, the high-pressure oil pipe 1 to complete
On conveying lever 16 be fixedly attached to inside union nut 3,1 lower end of high-pressure oil pipe is fixedly attached to inside 4 upper end of pipe fitting, and
Sealing surface 7 and pipe fitting 4 are mutually agreed with, thus leakproofness and stability during ensure that high pressure oil transportation, to guarantee
The operation of device entirety, and be additionally provided with sealant 13 and fixed block 8, be effectively guaranteed joint stability and
Leakproofness, ensure that in single unit system operational process will not be due to pressure is excessive and washes high-pressure oil pipe 1 and pipe fitting 4 open feelings
Condition.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (4)
1. a kind of mounting device of high-pressure oil pipe, including high-pressure oil pipe (1), union nut (3), pipe fitting (4), pipe end path
(5), pipe fitting latus rectum (6) and sealing surface (7), it is characterised in that: high-pressure oil pipe (1) lower end is top to be actively socketed on union
Nut (3) is internal, and high-pressure oil pipe (1) lower end is actively socketed on inside pipe fitting (4) upper end, under the high-pressure oil pipe (1)
End outside is provided with sealing surface (7), is mutually agreed with inside the sealing surface (7) and pipe fitting (4) upper end, the high-pressure oil pipe (1)
Pipe diameter (5) all are internally provided with, the pipe fitting (4) is internally provided with pipe fitting latus rectum (6), in the union nut (3)
Portion upper end is provided with limiting slot (2), is provided with one layer of sealant (13) on the outside of the pipe fitting (4).
2. a kind of mounting device of high-pressure oil pipe according to claim 1, it is characterised in that: it further include producing device, institute
Stating producing device includes jaw (12), formed punch (9) He Chongxin (10), and the internal fixing sleeve of the jaw (12) is connected to high-pressure oil pipe
(1), the high-pressure oil pipe (1) it is internal with rush core (10) and match, jaw (12) right side central is provided with locating slot (14),
It is flexibly connected inside the locating slot (14) with formed punch (9), the internal fixing sleeve of the formed punch (9), which is connected to, rushes core (10), the punching
Head (9) left side central portion is provided with fixed groove (15), and the internal fixing sleeve of the fixed groove (15), which is connected to, rushes core (10).
3. a kind of mounting device of high-pressure oil pipe according to claim 1, it is characterised in that: high-pressure oil pipe (1) packet
Include conveying lever (16), chamfering bar (17) and delivery port (11), conveying lever (16) left end and the fixed company of chamfering bar (17) right end
It connects, chamfering bar (17) left end is fixedly connected with delivery port (11) right end.
4. a kind of mounting device of high-pressure oil pipe according to claim 1, it is characterised in that: pipe fitting (4) upper end
The internal left and right sides is provided with fixed block (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821531611.9U CN209026349U (en) | 2018-09-19 | 2018-09-19 | A kind of mounting device of high-pressure oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821531611.9U CN209026349U (en) | 2018-09-19 | 2018-09-19 | A kind of mounting device of high-pressure oil pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209026349U true CN209026349U (en) | 2019-06-25 |
Family
ID=66904774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821531611.9U Expired - Fee Related CN209026349U (en) | 2018-09-19 | 2018-09-19 | A kind of mounting device of high-pressure oil pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209026349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483167A (en) * | 2021-07-02 | 2021-10-08 | 北京理工大学 | Self-tightening type pipeline connecting structure |
-
2018
- 2018-09-19 CN CN201821531611.9U patent/CN209026349U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483167A (en) * | 2021-07-02 | 2021-10-08 | 北京理工大学 | Self-tightening type pipeline connecting structure |
| CN113483167B (en) * | 2021-07-02 | 2022-04-12 | 北京理工大学 | Self-tightening type pipeline connecting structure |
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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: 20190625 Termination date: 20200919 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |