CN201954140U - Connecting pipe for point-angular welding - Google Patents
Connecting pipe for point-angular welding Download PDFInfo
- Publication number
- CN201954140U CN201954140U CN2010206860066U CN201020686006U CN201954140U CN 201954140 U CN201954140 U CN 201954140U CN 2010206860066 U CN2010206860066 U CN 2010206860066U CN 201020686006 U CN201020686006 U CN 201020686006U CN 201954140 U CN201954140 U CN 201954140U
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- Prior art keywords
- wedge angle
- connecting pipe
- plane
- seal welding
- face
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Abstract
The utility model relates to a connecting pipe for point-angular welding. No welding connecting pipe which is simple in mounting, reliable in sealing and high in operating pressure exists currently. The connecting pipe comprises a connecting pipe body, an annular projection is arranged on the outer wall of the connecting pipe body, and one side of the projection is level to one end of the connecting pipe body. The connecting pipe is characterized in that a point-angular seal ring is arranged at one end of the connecting pipe body, two edges are reversed on a point-angular cross section of the point-angular seal ring, an included angle between one edge extending to the outer wall of the connecting pipe body and one end face of the connecting pipe body ranges from 8 degrees to 60 degrees, an included angle between the other edge extending to the inner wall of the connecting pipe body and the other end face of the connecting pipe body ranges from 15 degrees and 60 degrees, an annular stress plane and an annular deformation groove are sequentially arranged form outside to inside on the other side of the projection, the stress plane is parallel to one end face of the connecting pipe body, and the bottom of the deformation groove is in an arc structure. The connecting pipe is reasonable in design, simple in mounting, reliable in sealing, high in operating pressure and wide in application.
Description
Technical field
The utility model relates to a kind of wedge angle seal welding to be taken over, and belongs to parts in the metal to metal wedge angle seal welding formula pipe joint, is mainly used in connected tube and welds.
Background technique
Usually use 24 ° of Bite type fittingss, 37 ° of flared fittings, plane seal with O ring Welded fittings to come the connecting pipeline engineering system in modern industry hydraulic pressure, the pneumatic system, this pipe joint of three types has following characteristic respectively.
1,24 ° of 24 ° of inner cone metals to metal seal that Bite type fittings is a fittings body, by cutting ferrule cutting edge incision outer wall of steel pipe face, the inner conical surface of cutting ferrule cylindrical squeezed joint body, thus form metal to metal seal.24 ° of Bite type fittingss are generally used for connecting the steel pipe of external diameter at the 4-42 millimeter, its working pressure is usually at 10-63Mpa, because the mounting process of 24 ° of Bite type fittingss requires high, cutting ferrule conduct key core parts wherein but very easily damage and lost efficacy, thereby cause whole working life shorter.
2,37 ° of 37 ° of outer cone metals to metal seal that flared fitting is a fittings body are contacted by the outer cone of inner cone after the steel pipe enlarging and fittings body and form metal to metal seal.37 ° of flared fittings are generally used for connecting the steel pipe that external diameter is the 6-34 millimeter, and its working pressure is usually at 5-16Mpa, because the pipe enlarging technology of 37 ° of flared fittings is loaded down with trivial details, make manufacturing efficiency low, and the mounting process requirement is low, and working pressure is low, causes applicable surface narrower.
3, seal with O ring Welded fitting in plane is a groove of O shape rubber ring being put into the screw thread end face of fittings body, and the Transverse plane of being taken over by welding compresses O shape rubber ring, thereby forms plane sealing.Plane seal with O ring Welded fitting is generally used for connecting the steel pipe that external diameter is the 6-50 millimeter, and its working pressure is usually about 32Mpa.The mounting process of this plane seal with O ring Welded fitting requires low, the working pressure height, but, dwindled using scope greatly owing to be subjected to the influence of fed sheet of a media, environment and operating temperature etc. behind the O shape rubber ring of packing into.
Because also do not have a kind of installation simple at present, sealing is reliable, the working pressure height, the widely applicable welding that is used for Welded fitting is taken over, thereby has reduced the overall performance of Welded fitting.
The model utility content
The purpose of this utility model is to overcome above shortcomings in the prior art, and a kind of reasonable in design is provided, and installs simply, and sealing is reliable, the working pressure height, and widely applicable wedge angle seal welding is taken over.
The technical scheme in the invention for solving the above technical problem is: this wedge angle seal welding is taken over and is comprised the adapter body, the outer wall of described adapter body is provided with a circle boss, one side of this boss flushes with an end of taking over body, its characteristics are: an end of described adapter body is provided with a circle wedge angle seal ring, there are two limits on the wedge angle cross section in this wedge angle seal ring, wherein to the angle between limit taking over that the body outer wall extends and the end face of taking over body one end between 8 °-60 °, the angle between the end face of limit taking over that the inner body wall face extends and adapter body one end is between 15 °-60 °; The opposite side of described boss is disposed with a circle plane of constraint and a circle distortion groove from outside to inside, and described plane of constraint parallels with the end face of taking over body one end, and the bottom of described distortion groove is an arc-shaped structure.
The cross section of distortion groove described in the utility model is made up of an oblique line, one section circular arc and a horizontal line, and the angle between described oblique line and the plane of constraint is between 10 °-35 °, and described horizontal line is positioned on the outer wall of taking over body.
The radius of arc of the arc-shaped structure of distortion groove bottom described in the utility model is 0.5mm.
Plane of constraint described in the utility model is a cirque structure, and the width of this plane of constraint is between 0.5-3mm.
The other end of adapter body described in the utility model is disposed with a circle chamfering structure and a circle end plane from outside to inside, and the chamfering number of degrees in the described chamfering structure are between 20 °-55 °.
The internal face of the adapter body the other end described in the utility model is provided with the enlarging structure.
Distance between the end face of wedge angle in the wedge angle seal ring described in the utility model and adapter body one end is between 0.8-1.5mm.
The length of adapter body described in the utility model is between 30-100mm, and the length of described boss is between 2.5-10mm.
End plane described in the utility model is a cirque structure, and the width of this end plane is between 0.2-2mm.
The utility model compared with prior art, have the following advantages and effect: by a circle wedge angle seal ring of adapter body one end and the fittings body sealing in the cut-in type pipe joint, belong to the free of contamination sealing means of pipeline, simple in structure, easy processing, reliable performance, the working pressure height, applied widely, the using scope of energy enlarged tube joint effectively prevents seal failure generation leakage accident.
The opposite side of boss is disposed with a circle plane of constraint and a circle distortion groove from outside to inside, when the boss in the extruding of the nut in the pipe joint adapter, distortion groove generation elastic strain, thereby make take over body one end a circle wedge angle seal ring better and the fittings body in the cut-in type pipe joint seal, sealing effect is better.The bottom of distortion groove is an arc-shaped structure, makes the distortion groove have better elastic strain ability, prevents plastic deformation, has improved working life, and it is loosening effectively to prevent that pipe joint from connecting when mechanical shock simultaneously, improves sealing reliability.
Of the present utility model simple in structure, reasonable in design, easy to use, cost of production is low, effectively the overall performance of riser joint.
Description of drawings
Fig. 1 is the main TV structure schematic representation that the wedge angle seal welding is taken among the utility model embodiment 1.
Fig. 2 is the sectional structure schematic representation of A-A face among Fig. 1.
Fig. 3 is the structural representation that amplify at the A place among Fig. 2.
Fig. 4 is the structural representation that amplify at the B place among Fig. 2.
Fig. 5 is the structural representation that amplify at the C place among Fig. 2.
Fig. 6 is the structural representation of metal to metal wedge angle seal welding formula pipe joint when being connected with metal tube, and the wedge angle seal welding that is equipped with in this metal to metal wedge angle seal welding formula pipe joint among the utility model embodiment 1 is taken over.
Fig. 7 is the main TV structure schematic representation that the wedge angle seal welding is taken among the utility model embodiment 2.
Fig. 8 is the sectional structure schematic representation of B-B face among Fig. 7.
Fig. 9 is the structural representation that amplify at the D place among Fig. 8.
Figure 10 is the structural representation that amplify at the E place among Fig. 8.
Figure 11 is the structural representation that amplify at the F place among Fig. 8.
Figure 12 is the structural representation of metal to metal wedge angle seal welding formula pipe joint when being connected with metal tube, and the wedge angle seal welding that is equipped with in this metal to metal wedge angle seal welding formula pipe joint among the utility model embodiment 2 is taken over.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and by embodiment, and following examples are to explanation of the present utility model and the utility model is not limited to following examples.
Embodiment 1:
Referring to Fig. 1 to Fig. 6, the wedge angle seal welding in the present embodiment is taken over 12 and is comprised adapter body 1, is provided with a circle boss 2 in the outer wall of taking over body 1, and a side of this boss 2 flushes with an end of taking over body 1.
Be provided with a circle wedge angle seal ring 3 at an end of taking over body 1, there are two limits on wedge angle 31 cross sections in this wedge angle seal ring 3, these two while being respectively w and limit y, wherein to formation one angle β between the limit w that takes over that body 1 outer wall extends and the end face of taking over body 1 one ends, the number of degrees of this angle β are usually between 8 °-60 °, and to formation one angle γ between the limit y that takes over that body 1 internal face extends and the end face of taking over body 1 one ends, the number of degrees of this angle γ are usually between 15 °-60 °.
The opposite side of boss 2 is disposed with a circle plane of constraint 4 and a circle distortion groove 5 from outside to inside in the present embodiment, plane of constraint 4 parallels with the end face of taking over body 1 one ends, this plane of constraint 4 is a cirque structure, and the width h of plane of constraint 4 is usually between 0.5-3mm.The cross section of distortion groove 5 is made up of an oblique line a, one section circular arc b and a horizontal line c in the present embodiment, form an included angle X between its bend a and the plane of constraint 4, usually between 10 °-35 °, horizontal line c is positioned on the outer wall of taking over body 1 number of degrees of this included angle X.The bottom that is to say distortion groove 5 in the present embodiment is an arc-shaped structure 6, and the radius of arc of this arc-shaped structure 6 is 0.5mm, and the bottom of distortion groove 5 is that arc-shaped structure 6 makes that the elasticity of distortion groove 5 is better, has promoted performance.
The other end of taking over body 1 is disposed with a circle chamfering structure 7 and a circle end plane 8 from outside to inside, wherein, usually between 20 °-55 °, end plane 8 is a cirque structure to the number of degrees of chamfering μ in the chamfering structure 7, and the width k of this end plane 8 is between 0.2-2mm.
Between 30-100mm, the length g of boss 2 is usually between 2.5-10mm usually for the length of adapter body 1 in the present embodiment.Wedge angle 31 in the wedge angle seal ring 3 and take between the end face of body 1 one ends apart from f usually between 0.8-1.5mm.
Wedge angle seal welding in the present embodiment is taken over 12 parts that belong in the metal to metal wedge angle seal welding formula pipe joint, metal to metal wedge angle seal welding formula pipe joint comprises fittings body 11, adapter 12 of wedge angle seal welding and nut 13, wherein, the end face of fittings body 11 is a plane, during use, the wedge angle seal welding is taken over 12 to be sleeved in the nut 13, nut 13 is connected on the fittings body 11, the wedge angle seal ring 3 that makes the wedge angle seal welding take in 12 pushes up on the plane of fittings body 11, along with nut 13 constantly being screwed on fittings body 11, the wedge angle seal ring 3 in the wedge angle seal welding adapter 12 seals with the plane on the fittings body 11.The boss 2 that the wedge angle seal welding is taken in 12 withstands on the nut 13, along with nut 13 constantly being screwed on fittings body 11, elastic strain takes place in distortion groove 5, making the wedge angle seal welding take over 12 better is positioned between fittings body 11 and the nut 13, can prevent effectively that the connection of metal to metal wedge angle seal welding formula pipe joint when mechanical shock is loosening, improve sealing reliability.Metal tube 14 welds mutually with the other end of wedge angle seal welding adapter 12.
Embodiment 2:
Referring to Fig. 7 to Figure 12, the wedge angle seal welding in the present embodiment is taken over 12 and is comprised adapter body 1, is provided with a circle boss 2 in the outer wall of taking over body 1, and a side of this boss 2 flushes with an end of taking over body 1.
Be provided with a circle wedge angle seal ring 3 at an end of taking over body 1, there are two limits on wedge angle 31 cross sections in this wedge angle seal ring 3, these two while being respectively w and limit y, wherein to formation one angle β between the limit w that takes over that body 1 outer wall extends and the end face of taking over body 1 one ends, the number of degrees of this angle β are usually between 8 °-60 °, and to formation one angle γ between the limit y that takes over that body 1 internal face extends and the end face of taking over body 1 one ends, the number of degrees of this angle γ are usually between 15 °-60 °.
The opposite side of boss 2 is disposed with a circle plane of constraint 4 and a circle distortion groove 5 from outside to inside in the present embodiment, plane of constraint 4 parallels with the end face of taking over body 1 one ends, this plane of constraint 4 is a cirque structure, and the width h of plane of constraint 4 is usually between 0.5-3mm.The cross section of distortion groove 5 is made up of an oblique line a, one section circular arc b and a horizontal line c in the present embodiment, form an included angle X between its bend a and the plane of constraint 4, usually between 10 °-35 °, horizontal line c is positioned on the outer wall of taking over body 1 number of degrees of this included angle X.The bottom that is to say distortion groove 5 in the present embodiment is an arc-shaped structure 6, and the radius of arc of this arc-shaped structure 6 is 0.5mm, and the bottom of distortion groove 5 is that arc-shaped structure 6 makes that the elasticity of distortion groove 5 is better, has promoted performance.
The internal face of taking over body 1 the other end is provided with enlarging structure 9, the thickness t of this enlarging structure 9 is usually between 0.5-3mm, the other end end face of taking over body 1 is provided with a circle chamfering structure 7, and the number of degrees of the chamfering μ in this chamfering structure 7 are usually between 20 °-55 °.
Between 30-100mm, the length g of boss 2 is usually between 2.5-10mm usually for the length of adapter body 1 in the present embodiment.Wedge angle 31 in the wedge angle seal ring 3 and take between the end face of body 1 one ends apart from f usually between 0.8-1.5mm.
Wedge angle seal welding in the present embodiment is taken over 12 parts that belong in the metal to metal wedge angle seal welding formula pipe joint, metal to metal wedge angle seal welding formula pipe joint comprises fittings body 11, adapter 12 of wedge angle seal welding and nut 13, wherein, the end face of fittings body 11 is a plane, during use, the wedge angle seal welding is taken over 12 to be sleeved in the nut 13, nut 13 is connected on the fittings body 11, the wedge angle seal ring 3 that makes the wedge angle seal welding take in 12 pushes up on the plane of fittings body 11, along with nut 13 constantly being screwed on fittings body 11, the wedge angle seal ring 3 in the wedge angle seal welding adapter 12 seals with the plane on the fittings body 11.The boss 2 that the wedge angle seal welding is taken in 12 withstands on the nut 13, along with nut 13 constantly being screwed on fittings body 11, elastic strain takes place in distortion groove 5, making the wedge angle seal welding take over 12 better is positioned between fittings body 11 and the nut 13, can prevent effectively that the connection of metal to metal wedge angle seal welding formula pipe joint when mechanical shock is loosening, improve sealing reliability.One end of metal tube 14 inserts in the enlarging structure 9 of wedge angle seal welding adapter 12, and then welds mutually with the other end of wedge angle seal welding adapter 12.
Above content described in this specification only is to the explanation of the utility model structure example.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount the defined scope of these claims, all should belong to protection domain of the present utility model.
Claims (9)
1. a wedge angle seal welding is taken over, comprise the adapter body, the outer wall of described adapter body is provided with a circle boss, one side of this boss flushes with an end of taking over body, it is characterized in that: an end of described adapter body is provided with a circle wedge angle seal ring, there are two limits on the wedge angle cross section in this wedge angle seal ring, wherein to the angle between limit taking over that the body outer wall extends and the end face of taking over body one end between 8 °-60 °, the angle between the end face of limit taking over that the inner body wall face extends and adapter body one end is between 15 °-60 °; The opposite side of described boss is disposed with a circle plane of constraint and a circle distortion groove from outside to inside, and described plane of constraint parallels with the end face of taking over body one end, and the bottom of described distortion groove is an arc-shaped structure.
2. wedge angle seal welding according to claim 1 is taken over, it is characterized in that: the cross section of described distortion groove is made up of an oblique line, one section circular arc and a horizontal line, angle between described oblique line and the plane of constraint is between 10 °-35 °, and described horizontal line is positioned on the outer wall of taking over body.
3. wedge angle seal welding according to claim 1 and 2 is taken over, and it is characterized in that: the radius of arc of the arc-shaped structure of described distortion groove bottom is 0.5mm.
4. wedge angle seal welding according to claim 1 and 2 is taken over, and it is characterized in that: described plane of constraint is a cirque structure, and the width of this plane of constraint is between 0.5-3mm.
5. wedge angle seal welding according to claim 1 and 2 is taken over, and it is characterized in that: the other end of described adapter body is disposed with a circle chamfering structure and a circle end plane from outside to inside, and the chamfering number of degrees in the described chamfering structure are between 20 °-55 °.
6. wedge angle seal welding according to claim 1 and 2 is taken over, and it is characterized in that: the internal face of the described adapter body the other end is provided with the enlarging structure.
7. wedge angle seal welding according to claim 1 and 2 is taken over, and it is characterized in that: the distance between the end face of wedge angle in the described wedge angle seal ring and adapter body one end is between 0.8-1.5mm.
8. wedge angle seal welding according to claim 1 and 2 is taken over, and it is characterized in that: the length of described adapter body is between 30-100mm, and the length of described boss is between 2.5-10mm.
9. wedge angle seal welding according to claim 5 is taken over, and it is characterized in that: described end plane is a cirque structure, and the width of this end plane is between 0.2-2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206860066U CN201954140U (en) | 2010-12-29 | 2010-12-29 | Connecting pipe for point-angular welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206860066U CN201954140U (en) | 2010-12-29 | 2010-12-29 | Connecting pipe for point-angular welding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201954140U true CN201954140U (en) | 2011-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206860066U Expired - Fee Related CN201954140U (en) | 2010-12-29 | 2010-12-29 | Connecting pipe for point-angular welding |
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|---|---|
| CN (1) | CN201954140U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627019A (en) * | 2015-12-22 | 2016-06-01 | 海盐管件制造有限公司 | 24-degree-cone ultra-high pressure composite sealing terminal pipe connector |
-
2010
- 2010-12-29 CN CN2010206860066U patent/CN201954140U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627019A (en) * | 2015-12-22 | 2016-06-01 | 海盐管件制造有限公司 | 24-degree-cone ultra-high pressure composite sealing terminal pipe connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20110831 Termination date: 20171229 |