CN204254022U - A kind of valve cutting ferrule linkage structure - Google Patents
A kind of valve cutting ferrule linkage structure Download PDFInfo
- Publication number
- CN204254022U CN204254022U CN201420694990.9U CN201420694990U CN204254022U CN 204254022 U CN204254022 U CN 204254022U CN 201420694990 U CN201420694990 U CN 201420694990U CN 204254022 U CN204254022 U CN 204254022U
- Authority
- CN
- China
- Prior art keywords
- cutting ferrule
- conical surface
- valve body
- nut
- leading portion
- 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
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Valve Housings (AREA)
Abstract
The utility model discloses a kind of valve cutting ferrule linkage structure, belong to valve field.This valve cutting ferrule linkage structure comprises steel pipe, cutting ferrule nut, also comprises valve body, cutting ferrule, and cutting ferrule is provided with the leading portion conical surface and the back segment conical surface, is arranged between cutting ferrule nut and valve body, and the cutting ferrule leading portion conical surface coordinates with valve body, and the fitting surface of valve body is also the conical surface; The axial angle of the described valve body conical surface is greater than the axial angle of the cutting ferrule leading portion conical surface.The reliable sealing adopting the utility model can realize common steel tube connects, and saves cost.
Description
Technical field
The utility model relates to valve field, specifically a kind of valve cutting ferrule linkage structure.
Background technique
Valve cutting ferrule connects, and in recent years just grow up in China, its connection and sealing principle are, when tightening nut, cutting ferrule is under pressure, and its blade is nipped tube outer wall, cutting ferrule male cone (strobilus masculinus) is closely sealed with fittings body inner conical surface under stress again, thus can reliably Leakage prevention.It is little that this Placement has volume, lightweight, and structure is simple, the features such as easy disassembling.
But in the prior art, also there is following problem, when adopting fastener for connection, the steel pipe used is finishing pipe, all requires higher for the size of steel pipe, circularity, roughness.Simultaneously for reaching seal request, required screw thread wedging Z-TEK can produce enough connection seal pressures not greatly.Thus require high to the selection of joint steel pipe, cost is 2 to 3 times of common steel tube, causes cost to raise.
Therefore a kind of cutting ferrule linkage structure realizing common steel tube reliable sealing is provided, seems particularly necessary.
Model utility content
The utility model aims to provide a kind of valve cutting ferrule linkage structure, to solve the problem.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of valve cutting ferrule linkage structure, comprises steel pipe, cutting ferrule nut, it is characterized in that: also comprise valve body, cutting ferrule; Cutting ferrule is arranged between cutting ferrule nut and valve body, and cutting ferrule is provided with the leading portion conical surface and the back segment conical surface, and the cutting ferrule leading portion conical surface coordinates with valve body, and the fitting surface of valve body is also the conical surface; The axial angle of the described valve body conical surface is greater than the axial angle of the cutting ferrule leading portion conical surface.
Further, the described cutting ferrule back segment conical surface coordinates with cutting ferrule nut, the axial angle of the cutting ferrule back segment conical surface and the axial angle adaptation of the cutting ferrule nut conical surface.
Further, described cutting ferrule nut thread is connected on valve body.
The beneficial effects of the utility model are:
One, compare with prior art, the utility model have modified the sealing bevel angle of two wedging parts, and the axial angle of the valve body conical surface is greater than the axial angle of the cutting ferrule leading portion conical surface.The valve body conical surface and the cutting ferrule leading portion conical surface is made to form linear contact lay at theory state.When the screw thread extruding cutting ferrule of tightening nut, cutting ferrule and valve body fitting surface zerofriction force, extrusion-deformation power is larger.
Two, the first compressive deformation of cutting ferrule sealing beveled ends, clamps steel pipe firmly.
Three, because distortion is from the end that cutting ferrule is the thinnest, area is less, under same screw thread wedging power effect, and several times larger than the distortion of the stressed generation in whole sealing inclined-plane, therefore the specific pressure that produces steel tube clamping power of cutting ferrule is also by large several times, and wedging power is very easy to reach required seal pressure.
Four, make when steel pipe roundness is not high, cutting ferrule pressurized also can clamp along outer surface of steel tube, thus produces the sealing effect of robust.Use common steel tube also can reach seal request, effectively reduce cost of production.
Accompanying drawing explanation
Fig. 1 is the valve cutting ferrule linkage structure structural representation that the utility model provides.
Mark in figure: 1 be cutting ferrule nut, 2 be steel pipe, 3 be cutting ferrule, 4 be valve body, 5 be the valve body conical surface, 6 be the cutting ferrule leading portion conical surface, 7 for the cutting ferrule back segment conical surface.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described further.
As shown in Figure 1, a kind of valve cutting ferrule linkage structure, comprises steel pipe 2, cutting ferrule nut 1, it is characterized in that: also comprise valve body 4, cutting ferrule 3; Cutting ferrule is arranged between cutting ferrule nut 1 and valve body 4, and cutting ferrule is provided with the leading portion conical surface 6 and the back segment conical surface 7, and the cutting ferrule leading portion conical surface 6 coordinates with valve body 4, and the fitting surface of valve body 4 is also the conical surface; The axial angle of the described valve body conical surface 5 is greater than the axial angle of the cutting ferrule leading portion conical surface 6.The described cutting ferrule back segment conical surface 7 coordinates with cutting ferrule nut 1, the axial angle of the cutting ferrule back segment conical surface 7 and the axial angle adaptation of cutting ferrule nut 1 conical surface.Described cutting ferrule nut 1 is threaded onto on valve body.
In use, be placed between cutting ferrule nut 1 and valve body 4 by cutting ferrule 3, make the cutting ferrule leading portion conical surface 6 aim at the valve body conical surface 5 and coordinate, the cutting ferrule back segment conical surface 7 coordinates with cutting ferrule nut 1.Twist cutting ferrule nut 1 again, cutting ferrule nut 1 is prolonged and axially promotes cutting ferrule 3, be extruded after cutting ferrule 3 is stressed, cutting ferrule sealing inclined-plane, i.e. the cutting ferrule leading portion conical surface 6, first compressive deformation, clamps steel pipe firmly.Axial angle due to the valve body conical surface 5 is greater than the axial angle of the cutting ferrule leading portion conical surface 6, so distortion is from the end that cutting ferrule is the thinnest, area is less, under same screw thread wedging power effect, several times larger than the distortion of the stressed generation in whole sealing inclined-plane, therefore the specific pressure of cutting ferrule 3 pairs of steel tube clamping power generations is also by large several times, and wedging power is very easy to reach required seal pressure.When steel pipe 2 circularity is not high, cutting ferrule 3 pressurized also can clamp along steel pipe 2 outer surface, thus produces the sealing effect of robust.Use common steel tube also can reach seal request, effectively reduce cost of production.The reliable sealing adopting the utility model can realize common steel tube connects, and saves cost.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. a valve cutting ferrule linkage structure, comprises steel pipe, cutting ferrule nut, it is characterized in that: also comprise valve body, cutting ferrule; Cutting ferrule is arranged between cutting ferrule nut and valve body, and cutting ferrule is provided with the leading portion conical surface and the back segment conical surface, and the cutting ferrule leading portion conical surface coordinates with valve body, and the fitting surface of valve body is also the conical surface; The axial angle of the described valve body conical surface is greater than the axial angle of the cutting ferrule leading portion conical surface.
2. cutting ferrule linkage structure according to claim 1, is characterized in that: the described cutting ferrule back segment conical surface coordinates with cutting ferrule nut, the axial angle of the cutting ferrule back segment conical surface and the axial angle adaptation of the cutting ferrule nut conical surface.
3. cutting ferrule linkage structure according to claim 1, is characterized in that: described cutting ferrule nut thread is connected on valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420694990.9U CN204254022U (en) | 2014-11-19 | 2014-11-19 | A kind of valve cutting ferrule linkage structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420694990.9U CN204254022U (en) | 2014-11-19 | 2014-11-19 | A kind of valve cutting ferrule linkage structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204254022U true CN204254022U (en) | 2015-04-08 |
Family
ID=52958328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420694990.9U Expired - Fee Related CN204254022U (en) | 2014-11-19 | 2014-11-19 | A kind of valve cutting ferrule linkage structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204254022U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107336920A (en) * | 2017-08-06 | 2017-11-10 | 安徽高德韦尔精密部件有限公司 | Valve sealing plug |
| CN108506606A (en) * | 2018-06-05 | 2018-09-07 | 博侃电气（合肥）有限公司 | A kind of high-temperature-resistant high-pressure-resistant seal nipple |
| CN111156361A (en) * | 2020-01-18 | 2020-05-15 | 湖南天力瑞家新材科技股份有限公司 | A pipe fitting seal |
-
2014
- 2014-11-19 CN CN201420694990.9U patent/CN204254022U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107336920A (en) * | 2017-08-06 | 2017-11-10 | 安徽高德韦尔精密部件有限公司 | Valve sealing plug |
| CN108506606A (en) * | 2018-06-05 | 2018-09-07 | 博侃电气（合肥）有限公司 | A kind of high-temperature-resistant high-pressure-resistant seal nipple |
| CN111156361A (en) * | 2020-01-18 | 2020-05-15 | 湖南天力瑞家新材科技股份有限公司 | A pipe fitting seal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MY191387A (en) | Threaded joint for steel pipes | |
| CN204254022U (en) | A kind of valve cutting ferrule linkage structure | |
| CN205191035U (en) | Pipeline socket joint connection structure | |
| CN203940141U (en) | A kind of pipe joint | |
| CN203847857U (en) | Quick installation type flexible joint device for liquid conveying equipment | |
| CN204852764U (en) | Two -sided plugging device | |
| CN203297798U (en) | High pressure delivery pipeline pipe end connector structure | |
| CN202349432U (en) | Sealing structure of high pressure oil pipe | |
| CN203531780U (en) | Highly-resistant double-circular-bead oil sleeve joint | |
| CN204922281U (en) | Gas seal for pipe joints structure | |
| CN205716105U (en) | A kind of ferrule fitting device | |
| CN205991263U (en) | Pipe joint arrangement | |
| CN205118540U (en) | Multi -purpose stainless steel tee bend | |
| CN204533894U (en) | A kind of enlarging sealing joint body | |
| CN207830789U (en) | A kind of fastening-pressing type hose attachment device | |
| CN202118417U (en) | 45-degree-buckling hose connector with screw nut | |
| CN202349462U (en) | Quick connector for plastic hose | |
| CN203517068U (en) | High-pressure connector | |
| CN103292089A (en) | Pipe-end port structure for high-pressure delivery pipelines | |
| CN204922332U (en) | Perpendicular straight joint of cutting ferrule formula | |
| CN203297792U (en) | Pipe end port structure of petroleum pipeline | |
| CN208831925U (en) | A kind of secured type joint | |
| CN204099772U (en) | Be applied to the joiner of valve | |
| CN202056437U (en) | Pigeonhole type hose joint | |
| CN202791100U (en) | Right-angled adjustable column jacket connector |
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: 20150408 Termination date: 20201119 |