CN216715469U - Novel ultrahigh pressure-resistant anti-fatigue quick-connection union joint - Google Patents
Novel ultrahigh pressure-resistant anti-fatigue quick-connection union joint Download PDFInfo
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- CN216715469U CN216715469U CN202220085158.3U CN202220085158U CN216715469U CN 216715469 U CN216715469 U CN 216715469U CN 202220085158 U CN202220085158 U CN 202220085158U CN 216715469 U CN216715469 U CN 216715469U
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Abstract
The utility model relates to the technical field of pipeline valves, in particular to a novel ultrahigh pressure-resistant anti-fatigue quick-connection union joint. The technical scheme comprises the following steps: the utility model provides a novel anti fatigue high-speed joint union of superhigh pressure connects, connects including public union, wing nut, female union and union, the both ends that the union connects are equipped with public union and female union respectively, and two adjacent unions connect and dock through public union and female union, install the sealing washer between public union and the female union, and the wing nut has been cup jointed in the junction outside of public union and female union, public union passes through the spacing installation of load piece in wing nut. The wing-shaped nut is in threaded connection with the female union through the compression load block, and can meet the 140MPa ultrahigh pressure working environment.
Description
Technical Field
The utility model relates to the technical field of pipeline valves, in particular to a novel ultrahigh pressure-resistant anti-fatigue quick-connection union joint.
Background
The union joint is generally used for the quick assembly and disassembly working condition of the joints of components such as ultrahigh pressure valves and pipelines adopted by offshore drilling platforms or land oil drills, at present, along with the continuous development of shale gas and shale oil at home and abroad, the depth of an oil-gas well is deeper and deeper, therefore, the fracturing construction operation has the characteristics of long duration, high pressure, large discharge capacity and the like, the joint part of the pipeline union needs to bear the comprehensive operation such as high pressure, high vibration, high fatigue and the like, when the existing union is connected, a slip and a check ring structure are adopted, a wing nut is in threaded connection with a female union, wherein the slip and a boss of the wing nut are tightly pressed under the thread torque, when the pipeline bears the pressure, the slip and the wing nut are influenced by the shearing of an axial load F and are just at the position of 90-degree boss of the slip and the wing nut, the position is a stress concentration point, the fatigue life is lower, and the sealing ring of the existing union is provided with a convex structure, the female union is provided with a groove, so that stress concentration points are increased, and the strength of the female union is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel ultrahigh pressure-resistant anti-fatigue quick connection union joint, which solves the technical problems.
The scheme for solving the technical problems is as follows:
the utility model provides a novel anti fatigue high-speed joint union of superhigh pressure connects, connects including public union, wing nut, female union and union, the both ends that the union connects are equipped with public union and female union respectively, and two adjacent unions connect and dock through public union and female union, install the sealing washer between public union and the female union, and the wing nut has been cup jointed in the junction outside of public union and female union, public union passes through the spacing installation of load piece in wing nut.
The utility model has the beneficial effects that: the wing nut is in threaded connection with the female union, the load block is arranged in a groove of the male union, and the groove is of a 120-degree inclined plane structure; the load block is of a hexagonal structure, a 16-piece combined circular ring structure is adopted, a 120-degree inclined plane groove is formed in the wing nut, the load block and a 120-degree inclined plane of the wing nut are pressed under a thread moment, when a pipeline bears pressure, the load block and the wing nut are affected by an axial load F, but the stress position is a 120-degree inclined plane position, and the fatigue life is long; in addition, the increase in wing nut thickness and the effective length of the connecting threads further increases the fatigue life of the union connection.
On the basis of the technical scheme, the utility model can be further improved as follows.
Furthermore, the cross section of the load block is of a regular hexagon structure, a groove matched with the shape and size of the load block is formed in the male union, and the load block is located in the groove of the male union.
The beneficial effect of adopting the further scheme is that: 120-degree inclined plane grooves are formed in the wing nut, the load block and the 120-degree inclined plane of the wing nut are compressed under the screw moment, the load block and the wing nut are affected by an axial load F when a pipeline bears pressure, but the stress position is the 120-degree inclined plane position, and the fatigue life is long.
Furthermore, a positioning groove is formed in the sealing ring, a positioning ring is arranged on the inner side surface of the female union, and the sealing ring is clamped and limited in the female union through the positioning groove and the positioning ring.
The beneficial effect of adopting the further scheme is that: and then be convenient for fix a position the installation to the sealing washer fast, and with the protruding cancellation of sealing washer to increase the recess at the sealing washer, avoided stress concentration position.
Furthermore, pipe threads matched in size are formed in the wing-shaped nut and the female union, and the wing-shaped nut and the female union are fixedly connected through the pipe threads.
The beneficial effect of adopting the further scheme is that: the user of being convenient for connects wing section nut and female union fast fixedly.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model.
In the drawings:
FIG. 1 is a schematic front view of the present invention;
fig. 2 is an enlarged schematic view of the utility model at a in fig. 1.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a male union; 2. a wing nut; 3. pipe threads; 4. a mother union; 5. a union joint; 6. a load block; 7. a seal ring; 8. a positioning ring; 9. and (6) positioning a groove.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model. The utility model is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 2, an embodiment of the present invention:
example one
A novel ultrahigh pressure-resistant fatigue-resistant quick connection union joint comprises a male union 1, an airfoil nut 2, a female union 4 and a union joint 5, wherein both ends of the union joint 5 are respectively provided with the male union 1 and the female union 4, two adjacent union joints 5 are butted with the female union 4 through the male union 1, a sealing ring 7 is arranged between the male union 1 and the female union 4, the sealing ring 7 is provided with a positioning groove 9, the inner side surface of the female union 4 is provided with a positioning ring 8, the sealing ring 7 is clamped with the positioning ring 8 through the positioning groove 9 and is limited and arranged in the female union 4, the outer side of the joint of the male union 1 and the female union 4 is sleeved with the airfoil nut 2, the airfoil nut 2 and the female union 4 are provided with pipe threads 3 with matched in size, the airfoil nut 2 and the female union 4 are connected and fixed through the pipe threads 3, the airfoil nut 2 is in threaded connection with the female union 4, a load block 6 is arranged in a groove of the male union 1, the groove is of a 120-degree inclined plane structure; the load block 6 is of a hexagonal structure, a 16-piece combined circular ring structure is adopted, a 120-degree inclined plane groove is formed in the wing nut 2, the load block 6 and a 120-degree inclined plane of the wing nut 2 are pressed under a thread moment, when a pipeline bears pressure, the load block 6 and the wing nut 2 are affected by an axial load F, but the stress position is a 120-degree inclined plane position, and the fatigue life is long; in addition, the fatigue life of union connection is further prolonged due to the increase of the thickness of the wing nut 2 and the effective length of the connecting thread, and the male union 1 is installed in the wing nut 2 in a limiting mode through the load block 6 and is pressed and fixed through the female union 4.
The working principle of the novel ultrahigh pressure-resistant anti-fatigue quick connection union joint based on the embodiment 1 is as follows: the wing nut 2 is in threaded connection with the female union 4, the load block 6 is arranged in a groove of the male union 1, and the groove is of a 120-degree inclined plane structure; the load block 6 is of a hexagonal structure, a 16-piece combined circular ring structure is adopted, a 120-degree inclined plane groove is formed in the wing nut 2, the load block 6 and a 120-degree inclined plane of the wing nut 2 are pressed under a thread moment, when a pipeline bears pressure, the load block 6 and the wing nut 2 are affected by an axial load F, but the stress position is a 120-degree inclined plane position, and the fatigue life is long; in addition, the increase of the thickness of the wing nut 2 and the effective length of the connecting thread further increases the fatigue life of the union connection.
Example two
As shown in fig. 1 to fig. 2, compared with the first embodiment, the novel ultrahigh pressure resistant and fatigue resistant quick connection union joint provided by the present invention further includes: 120-degree inclined plane grooves are formed in the wing nut, the load block and the 120-degree inclined plane of the wing nut are compressed under the screw moment, the load block and the wing nut are affected by an axial load F when a pipeline bears pressure, but the stress position is the 120-degree inclined plane position, and the fatigue life is long.
In this embodiment, 120-degree inclined plane grooves are formed in the wing nut 2, the load block 6 and 120-degree inclined planes of the wing nut 2 are compressed under the screw moment, when a pipeline bears pressure, the load block 6 and the wing nut 2 are affected by an axial load F, but the stress position is 120-degree inclined plane position, and the fatigue life is long.
The foregoing is merely a preferred embodiment of the utility model and is not intended to limit the utility model in any manner; the present invention may be readily implemented by those of ordinary skill in the art as illustrated in the accompanying drawings and described above; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the utility model as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a novel anti fatigue high-speed joint union of nai superhigh pressure connects which characterized in that: including public union (1), wing section nut (2), female union (4) and union joint (5), the both ends that union joint (5) are equipped with public union (1) and female union (4) respectively, and two adjacent unions connect (5) and dock through public union (1) and female union (4), install sealing washer (7) between public union (1) and female union (4), and the junction outside of public union (1) and female union (4) has cup jointed wing section nut (2), public union (1) is spacing to be installed in wing section nut (2) through load piece (6).
2. The novel ultrahigh pressure resistant and fatigue resistant union joint as claimed in claim 1, wherein: the cross section of the load block (6) is of a regular hexagon structure, a groove matched with the shape and size of the load block (6) is formed in the male union (1), and the load block (6) is located in the groove of the male union (1).
3. The novel ultrahigh pressure resistant and fatigue resistant union joint as claimed in claim 1, wherein: seted up constant head tank (9) on sealing washer (7), the inboard surface of female union (4) is equipped with holding ring (8), sealing washer (7) are through constant head tank (9) and the spacing installation of the mutual joint of holding ring (8) in female union (4).
4. The novel ultrahigh pressure resistant and fatigue resistant union joint as claimed in claim 1, wherein: pipe thread (3) of size looks adaptation are seted up on wing section nut (2) and female union (4), wing section nut (2) are connected fixedly through pipe thread (3) with female union (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220085158.3U CN216715469U (en) | 2022-01-13 | 2022-01-13 | Novel ultrahigh pressure-resistant anti-fatigue quick-connection union joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220085158.3U CN216715469U (en) | 2022-01-13 | 2022-01-13 | Novel ultrahigh pressure-resistant anti-fatigue quick-connection union joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216715469U true CN216715469U (en) | 2022-06-10 |
Family
ID=81891049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220085158.3U Active CN216715469U (en) | 2022-01-13 | 2022-01-13 | Novel ultrahigh pressure-resistant anti-fatigue quick-connection union joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216715469U (en) |
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2022
- 2022-01-13 CN CN202220085158.3U patent/CN216715469U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new type of union joint with super high pressure and fatigue resistance for quick connection Effective date of registration: 20220927 Granted publication date: 20220610 Pledgee: Bank of China Limited Jingzhou Branch Pledgor: Hubei Sailiente Petroleum Technology Co.,Ltd. Registration number: Y2022420000332 |