CN101392858A - Steel oil pipe edge-breaking flange - Google Patents
Steel oil pipe edge-breaking flange Download PDFInfo
- Publication number
- CN101392858A CN101392858A CNA2008101991082A CN200810199108A CN101392858A CN 101392858 A CN101392858 A CN 101392858A CN A2008101991082 A CNA2008101991082 A CN A2008101991082A CN 200810199108 A CN200810199108 A CN 200810199108A CN 101392858 A CN101392858 A CN 101392858A
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- meson
- cone shape
- oil pipe
- shape hole
- flange
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The invention discloses a splitting flange code for a steel oil pipe, which is suitable for flared pipeline connection, and comprises two flanges which are fixed on a fitting surface and provided with conical nicks, and a conical meson the bottom of which is against the fitting surface and which is provided with a guide hole. The whole installation process needs no welding by adopting the splitting flange code; the splitting flange code is simple to install and convenient to assemble and disassemble, has low tightening torque in comparison with a ferrule type steel pipe joint, prevents overtightening, is beautiful to assemble and easy to produce and process, has good comprehensive mechanical property because the meson, the steel pipe and the flange are connected with each other closely, can bear high working pressure, has the advantages of vibration resistance and uneasy damage, improves the stability and the reliability of the connection, is suitable for the flared pipeline connection of hydraulic components such as steel pipes, aluminum pipes and lining plastic metal pipes on the machinery such as injection machines, ships, engineering machines and mining machines, and brings convenience for the connection of the pipelines.
Description
Technical field
The present invention relates to a kind of flange, particularly a kind of special hydraulic pressure steel oil pipe edge-breaking flange that connects.
Background technique
Pipeline connects in the known prior art two kinds of methods usually, and a kind of is that flange connects, and another kind is screwed connection.Small-caliber pipeline generally adopts screwed connection, but its screw-down torque is big, when tightening, usually took place stubborn, the dismounting inconvenience.The pipeline that caliber is bigger adopts the flange mode to connect more, and flange plate adopts welding manner with combining of pipe coupling more, because welding technique is strong, required equipment heaviness is not suitable for field operation, and very inconvenience of dismounting, some tubing is welded with difficulty because of the material relation in addition, mould metal tube etc. as aluminum pipe, lining, just can not use welding flange to realize that pipeline connects, this brings many inconvenience for the connection work of pipeline.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of easy accessibility, use steel oil pipe edge-breaking flange reliable, simple in structure.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of steel oil pipe edge-breaking flange, but the pipeline that is applicable to enlarging connects, comprise that two of being fixed on the attachment face lean on attachment face to the flange plate of dress and bottom and are provided with the meson of pod apertures, described two flange plate are provided with a tapered indentations, and described two flange plate form a cone shape hole to adorning latter two tapered indentations; The outer surface of described meson is arranged to the conical surface that adapts with cone shape hole, and after described meson was flush-mounted in described cone shape hole, the surface of cone shape hole and meson conical surface formed the clamp port of clamping pipeline flared pipe wall.
As a further improvement on the present invention, described meson bottom and conical surface are provided with annular recess, and seal ring all is installed in the described annular recess; The gradient of described cone shape hole is 37 degree; Correspondingly the gradient of conical surface also is 37 degree.
Further improve as of the present invention, described two are extended to both sides along the axle center of tapered indentations all to the flange plate of dress that tapered indentations is formed is step-like, and correspondingly to form two ends be cylinder, middle step-like for round platform to cone shape hole; It is that cylinder, centre are step-like for round platform that described meson extends to form two ends along its axle center to both sides, and described clamp port is formed by the round table surface of cone shape hole and the round table surface and the path cylndrical surface of path cylndrical surface and meson.
The invention has the beneficial effects as follows: edge-breaking flange of the present invention comprises that two of being fixed on the attachment face are provided with the taper meson that the flange plate of tapered indentations and bottom lean on attachment face and be provided with pod apertures, during use at first the tapering according to meson and tapered indentations pipeline opening to be connected is carried out enlarging, make the mouth of pipe be horn-like, place meson in the horn mouth then and be aligned to connection mouth, again with two flange plate by being bolted on the attachment face, compress the horn mouth of pipeline, the horn mouth of the conical surface that forms by tapered indentations and the conical surface clamping pipe of meson, this shows and do not need welding in the whole erection process, install simple, be convenient to dismounting, it is low to be compared to FERRULETYPE steel pipe joint screw-down torque, and can prevent stubborn, assemble up also attractive in appearance, be easy to produce and processing, and because meson, steel pipe closely is connected mutually with flange plate, has good comprehensive mechanical properties, can bear higher working pressure, vibrationproof is arranged, advantage such as cracky not, connection stability and reliability have been improved, be applicable to injection machine, boats and ships, engineering machinery, mining machineries etc. are hydraulic parts such as steel pipe mechanically, aluminum pipe, but the connection that lining is moulded enlarging pipelines such as metal tube brings many facilities for the connection work of pipeline.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is an overall structure schematic representation of the present invention;
Fig. 2 is a sectional view of the present invention;
Fig. 3 is a flange plate sectional view of the present invention;
Fig. 4 is a meson sectional view of the present invention.
Embodiment
Referring to figs. 1 through Fig. 4, a kind of steel oil pipe edge-breaking flange, but the pipeline that is applicable to enlarging connects, it comprises that two of being fixed on the attachment face lean on attachment face to the flange plate 1 of dress and bottom and are provided with the meson 2 of pod apertures 7, two flange plate 1 of the present invention all adopt the A3 steel, meson 2 adopts No. 45 steel, and these two kinds of steel are used more extensive, and have certain plasticity and toughness, mechanical strength is big, cutting ability is good and have good comprehensive mechanical properties.Described two flange plate 1 are provided with fixed hole, and described two flange plate 1 are provided with a tapered indentations 5, and pipeline 8 external diameters that tapered indentations 5 can connect as required rationally are provided with, and latter two tapered indentations 5 of 1 pair of dress of described two flange plate forms a cone shape hole; The outer surface of described meson 2 is arranged to the conical surface that adapts with cone shape hole, after described meson 2 is flush-mounted in described cone shape hole, the surface of cone shape hole and meson 2 conical surfaces form the clamp port of clamping pipeline 8 horn mouth tube walls, the width of this clamp port can design according to the thickness of tube wall, promptly realizes by the size that changes meson 2 conical surfaces.
During use at first the tapering according to meson and tapered indentations pipeline opening to be connected is carried out enlarging, make the mouth of pipe be horn-like, and on attachment face corresponding to the punching tapping of the mounting point of flange plate fixed hole.The generally suitable horn mouth of drawing together into 37 degree of enlarging in this step, so the gradient of the novel middle cone shape hole of this use is 37 degree, correspondingly the gradient of conical surface also is 37 degree.Place meson in the horn mouth then and be aligned to connection mouth, again two flange plate are fixed on the attachment face by bolt 3, compress the horn mouth of pipeline, the horn mouth of the conical surface that forms by tapered indentations and the conical surface clamping pipe of meson, finish the connection of pipeline, the liquid in the pipeline is from pod apertures 7 circulations of meson 2.
This shows and do not need welding in the whole erection process, install simple, be convenient to dismounting, it is low to be compared to FERRULETYPE steel pipe joint screw-down torque, and can prevent stubborn, assemble up also attractive in appearance, be easy to produce and processing, and because meson, steel pipe closely is connected mutually with flange plate, has good comprehensive mechanical properties, can bear higher working pressure, vibrationproof is arranged, advantage such as cracky not, improve connection stability and reliability, be applicable to injection machine, boats and ships, engineering machinery, mining machineries etc. are hydraulic parts such as steel pipe mechanically, aluminum pipe, but the connection that lining is moulded enlarging pipelines such as metal tube brings many facilities for the connection work of pipeline.
As a further improvement on the present invention, described two flange plate 1 to dress all extend to both sides along the axle center of tapered indentations 5 makes tapered indentations 5 formation step-like, and correspondingly cone shape hole formation two ends are that cylinder, centre are step-like for round platform; It is that cylinder, centre are step-like for round platform that described meson 2 extends to form two ends along its axle center to both sides, described clamp port is formed by the round table surface of cone shape hole and the round table surface and the path cylndrical surface of path cylndrical surface and meson 2, and pipeline is held the path cylndrical surface of back meson 2 and the path cylndrical surface of cone shape hole is pushed up the inside and outside tube wall of examining at the clamping pipeline respectively; The cylndrical surface, big footpath of described cone shape hole cylndrical surface, big footpath and meson 2 is tangent, rear stub 1 is installed closely cooperates with meson 2.These structures have further strengthened the reliability that pipeline connects.
Further improve as of the present invention, in order to strengthen sealing effect, described meson of the present invention 2 bottoms and conical surface are provided with annular recess 6, in the described annular recess 6 seal ring 4 is installed all, has prevented the conical surface of meson 2 bottoms and attachment face, meson 2 and the leakage of oil problem between the pipeline effectively.
Because its external diameter of pipeline and the pipe thickness of different model are standardized on the market, flange of the present invention designs according to GB/T3639-2000 and German DIN2391-1994 seamless steel pipe and wall thickness, flange size then adopts the design of SAE dimensional standard, can produce the edge-breaking flange that is applicable to the different model pipeline in batches, also can be at concrete pipeline specific design.
Claims (8)
1, a kind of steel oil pipe edge-breaking flange, but the pipeline that is applicable to enlarging connects, it is characterized in that it comprises that two of being fixed on the attachment face lean on attachment face to the flange plate (1) of dress and bottom and are provided with the meson (2) of pod apertures (7), described two flange plate (1) are provided with a tapered indentations (5), and described two flange plate (1) form a cone shape hole to adorning latter two tapered indentations (5); The outer surface of described meson (2) is arranged to the conical surface that adapts with cone shape hole, and after described meson (2) was flush-mounted in described cone shape hole, the surface of cone shape hole and meson (2) conical surface formed the clamp port of clamping pipeline flared pipe wall.
2, steel oil pipe edge-breaking flange according to claim 1 is characterized in that described meson (2) bottom and conical surface are provided with annular recess (6), all are equipped with seal ring (4) in the described annular recess (6).
3, steel oil pipe edge-breaking flange according to claim 1, the gradient that it is characterized in that described cone shape hole are 37 degree; Correspondingly the gradient of conical surface also is 37 degree.
4, according to claim 1,2 or 3 described steel oil pipe edge-breaking flanges, it is characterized in that described two flange plate (1) to dress all make tapered indentations (5) formation step-like along the axle center of tapered indentations (5) to the both sides extension, correspondingly cone shape hole formation two ends are that cylinder, centre are step-like for round platform; It is that cylinder, centre are step-like for round platform that described meson (2) extends to form two ends along its axle center to both sides, and described clamp port is formed by the round table surface of cone shape hole and the round table surface and the path cylndrical surface of path cylndrical surface and meson (2).
5, steel oil pipe edge-breaking flange according to claim 4 is characterized in that pipeline is held the path cylndrical surface of back meson (2) and the path cylndrical surface of cone shape hole and leans inside and outside tube wall at the clamping pipeline respectively.
6, steel oil pipe edge-breaking flange according to claim 4 is characterized in that the cylndrical surface, big footpath of described cone shape hole cylndrical surface, big footpath and meson (2) is tangent.
7, steel oil pipe edge-breaking flange according to claim 1 is characterized in that described two flange plate (1) all adopt the A3 steel.
8, steel oil pipe edge-breaking flange according to claim 1 is characterized in that described meson (2) adopts No. 45 steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101991082A CN101392858A (en) | 2008-10-13 | 2008-10-13 | Steel oil pipe edge-breaking flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101991082A CN101392858A (en) | 2008-10-13 | 2008-10-13 | Steel oil pipe edge-breaking flange |
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| Publication Number | Publication Date |
|---|---|
| CN101392858A true CN101392858A (en) | 2009-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101991082A Pending CN101392858A (en) | 2008-10-13 | 2008-10-13 | Steel oil pipe edge-breaking flange |
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| Country | Link |
|---|---|
| CN (1) | CN101392858A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464321A (en) * | 2013-09-12 | 2013-12-25 | 辽宁省机械研究院有限公司 | Device utilizing multi-component liquid to perform mixing and constant-temperature corrosion preventive spraying |
| CN105202296A (en) * | 2015-09-30 | 2015-12-30 | 舒恒管夹制造有限公司 | High-pressure non-welding cross-connection flange block device |
| CN109282097A (en) * | 2018-08-17 | 2019-01-29 | 弗通流体科技（上海）有限公司 | It is flared flange pipe connection system |
| CN109751467A (en) * | 2019-03-01 | 2019-05-14 | 江阴市液压油管有限公司 | A kind of hydraulic oil pipe flaring connection component |
-
2008
- 2008-10-13 CN CNA2008101991082A patent/CN101392858A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464321A (en) * | 2013-09-12 | 2013-12-25 | 辽宁省机械研究院有限公司 | Device utilizing multi-component liquid to perform mixing and constant-temperature corrosion preventive spraying |
| CN103464321B (en) * | 2013-09-12 | 2016-06-08 | 辽宁省机械研究院有限公司 | A kind of device using multicomponent liquid to carry out mixing constant temperature anti-corrosion spray |
| CN105202296A (en) * | 2015-09-30 | 2015-12-30 | 舒恒管夹制造有限公司 | High-pressure non-welding cross-connection flange block device |
| CN109282097A (en) * | 2018-08-17 | 2019-01-29 | 弗通流体科技（上海）有限公司 | It is flared flange pipe connection system |
| CN109751467A (en) * | 2019-03-01 | 2019-05-14 | 江阴市液压油管有限公司 | A kind of hydraulic oil pipe flaring connection component |
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Open date: 20090325 |