CN216715540U - Novel withstand voltage double containment high pressure activity elbow - Google Patents
Novel withstand voltage double containment high pressure activity elbow Download PDFInfo
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- CN216715540U CN216715540U CN202220086597.6U CN202220086597U CN216715540U CN 216715540 U CN216715540 U CN 216715540U CN 202220086597 U CN202220086597 U CN 202220086597U CN 216715540 U CN216715540 U CN 216715540U
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Abstract
The utility model relates to the technical field of high-pressure movable elbows, in particular to a novel pressure-resistant double-seal high-pressure movable elbow. The technical scheme comprises the following steps: the utility model provides a novel withstand voltage double containment high pressure activity elbow, includes elbow joint, female straight joint, wing section nut and public straight joint, female straight joint's one end is connected fixedly with wing section nut, female straight joint deviates from wing section nut's one end fixed with elbow joint's male joint connection, elbow joint's female joint is connected fixedly with public straight joint, elbow joint is equipped with two altogether, and two elbow joints are fixed through male joint and female joint connection, elbow joint, female straight joint and public straight joint's junction is equipped with packing sealing washer, V type sealing washer in proper order, keeps off oily O type circle, steel ball body and dustproof O type circle. According to the utility model, the V-shaped sealing ring is added to the movable joint, and a layer of ballistic structure is added, so that 4 layers of ballistic structures are provided, the sealing effect of the whole structure is better, and the strength of the movable joint is higher.
Description
Technical Field
The utility model relates to the technical field of high-pressure movable elbows, in particular to a novel pressure-resistant double-seal high-pressure movable elbow.
Background
The high-pressure movable elbow is generally used for ground high-pressure manifold connection adopted by land oil drilling in a large number, 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, so that the fracturing construction operation has the characteristics of long duration, high pressure, large discharge capacity and the like, and therefore the high-pressure movable elbow needs to bear the comprehensive effects of high pressure, high vibration, high fatigue and the like, and the service life is ensured, and meanwhile, the movable elbow can flexibly rotate in an energy-saving manner during installation. At present, the highest withstand voltage grade of 3 cun (latus rectum 76.2mm) movable elbows is 140Mpa, and the movable elbow movable joint sealing washer is single sealed to the structure is 3 layers of ballistics, in case sealed inefficacy appears, the movable joint can be punctured to high-pressure fluid in the short time, the phenomenon of leaking appears, and then influences the result of use.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel pressure-resistant double-seal high-pressure movable elbow, which solves the technical problems.
The scheme for solving the technical problems is as follows:
the utility model provides a novel withstand voltage double containment high pressure activity elbow, includes elbow joint, female straight joint, wing section nut and public straight joint, female straight joint's one end is connected fixedly with wing section nut, female straight joint deviates from wing section nut's one end fixed with elbow joint's male joint connection, elbow joint's female joint is connected fixedly with public straight joint, elbow joint is equipped with two altogether, and two elbow joints are fixed through male joint and female joint connection, elbow joint, female straight joint and public straight joint's junction is equipped with packing sealing washer, V type sealing washer in proper order, keeps off oily O type circle, steel ball body and dustproof O type circle.
The utility model has the beneficial effects that: during installation, a packing sealing ring, a V-shaped sealing ring and an oil blocking O-shaped ring are installed in a female union groove, a dustproof O-shaped ring is installed in a male joint groove of an elbow joint, a male joint end of an elbow joint is installed in a female straight joint, steel balls are sequentially installed in each ballistic hole, and after the installation, a steel ball plug and the hole are sealed by a clamp spring; after the packing seal ring and the V-shaped seal ring are installed, the packing seal ring and the V-shaped seal ring are in a compression state; when the packing sealing ring is used, when high-pressure fluid passes through a pipeline, the packing sealing ring is tensioned by the pressure of the fluid to play a main sealing role, and the V-shaped sealing ring plays an auxiliary sealing role; when the packing sealing ring fails due to abnormal conditions, the V-shaped sealing ring is tensioned by the pressure of the fluid to play a main sealing role; therefore, compared with the original single-seal movable joint, the service life is longer, the pressure-resistant grade is higher, and the working pressure can reach 180 MPa.
On the basis of the technical scheme, the utility model can be further improved as follows.
Furthermore, elastic holes are formed in the female joints of the bent joint and the female straight joint, and the steel ball body is loaded into the female joints of the bent joint and the female straight joint through the elastic holes.
The beneficial effect of adopting the further scheme is that: the steel balls are conveniently loaded into each ballistic hole by a user in sequence.
Further, an inner trajectory is arranged in the female joint of the elbow joint and the female straight joint, an outer trajectory is arranged at the male joint of the elbow joint and the male straight joint, and the steel ball body is clamped among the elbow joint, the female straight joint and the male straight joint through the inner trajectory and the outer trajectory.
The beneficial effect of adopting the further scheme is that: thereby achieving the effect of limiting the steel ball body.
Furthermore, the steel ball bodies are distributed on the male joints of the elbow joint and the male-straight joint in a conical shape.
The beneficial effect of adopting the further scheme is that: the sealing effect of the steel ball body is improved.
Further, install the steel ball stopper in the bullet hole, the steel ball stopper deviates from the porose jump ring that uses of the one side installation of steel ball body.
The beneficial effect of adopting the further scheme is that: the steel ball plug is sealed by a clamp spring through the hole, so that the steel ball body is limited in the trajectory by the steel ball plug.
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 side view of the present invention;
FIG. 2 is a schematic front view of the present invention;
fig. 3 is a schematic sectional structure view of the V-shaped seal ring of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. bending the joint; 2. a female straight joint; 3. a wing nut; 4. a spring hole; 5. packing seal ring; 6. a steel ball plug; 7. a steel ball body; 8. a clamp spring for the hole; 9. an oil blocking O-shaped ring; 10. a male and straight joint; 11. a dustproof O-shaped ring; 12. v-shaped sealing ring.
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 3, an embodiment of the present invention:
example one
A novel pressure-resistant double-seal high-pressure movable elbow comprises an elbow joint 1, a female straight joint 2, an airfoil nut 3 and a male straight joint 10, wherein one end of the female straight joint 2 is fixedly connected with the airfoil nut 3, one end of the female straight joint 2, which is far away from the airfoil nut 3, is fixedly connected with a male joint of the elbow joint 1, the female joint of the elbow joint 1 is fixedly connected with the male straight joint 10, the elbow joints 1 are provided with two elbow joints, the two elbow joints 1 are fixedly connected through the male joint and the female joint, a packing seal ring 5, a V-shaped seal ring 12, an oil blocking O-shaped ring 9, a steel ball body 7 and a dustproof O-shaped ring 11 are sequentially arranged at the joint of the elbow joint 1, the female straight joint 2 and the male joint end of the elbow joint 1 is arranged in the female straight joint 2, steel balls are sequentially filled into each ballistic hole, and the steel ball plug 6 and the hole are sealed by a clamp spring 8 after the steel balls are used; after installation, the packing seal ring 5 and the V-shaped seal ring 12 are in a compression state; when the packing sealing ring is used, when high-pressure fluid passes through a pipeline, the packing sealing ring 5 is tensioned by the pressure of the fluid to play a main sealing role, and the V-shaped sealing ring 12 plays an auxiliary sealing role; when the packing seal ring 5 fails due to abnormal conditions, the V-shaped seal ring 12 is tensioned by the fluid pressure to play a main sealing role; therefore, compared with the original single-seal movable joint, the service life is longer, the pressure-resistant grade is higher, and the working pressure can reach 180 MPa.
The steel ball body 7 is distributed on male joints of the elbow joint 1 and the female straight joint 2 in a conical manner, inner trajectories are arranged in the female joints of the elbow joint 1 and the male straight joint 10, and the steel ball body 7 is clamped among the elbow joint 1, the female straight joint 2 and the male straight joint 10 through the inner trajectories and the outer trajectories.
Based on embodiment 1, the working principle of the novel pressure-resistant double-seal high-pressure movable elbow is as follows: during installation, the packing seal ring 5, the V-shaped seal ring 12 and the oil blocking O-shaped ring 9 are installed in a female union groove, the dustproof O-shaped ring 11 is installed in a male joint groove of an elbow joint, a male joint end of the elbow joint 1 is installed in a female straight joint 2, steel balls are sequentially installed in each ballistic hole, and after the installation, a steel ball plug 6 and the holes are sealed by a clamp spring 8; after installation, the packing seal ring 5 and the V-shaped seal ring 12 are in a compression state; when the packing sealing ring is used, when high-pressure fluid passes through a pipeline, the packing sealing ring 5 is tensioned by the pressure of the fluid to play a main sealing role, and the V-shaped sealing ring 12 plays an auxiliary sealing role; when the packing seal ring 5 fails due to abnormal conditions, the V-shaped seal ring 12 is tensioned by the fluid pressure to play a main sealing role; therefore, compared with the original single-seal movable joint, the service life is longer, the pressure-resistant grade is higher, and the working pressure can reach 180 MPa.
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 (5)
1. The utility model provides a novel withstand voltage double containment high pressure activity elbow which characterized in that: including elbow joint (1), female straight joint (2), wing section nut (3) and straight joint (10), the one end and wing section nut (3) of straight joint (2) are connected fixedly, the one end that straight joint (2) deviates from wing section nut (3) is fixed with the male joint of elbow joint (1) is connected, the female joint and the straight joint (10) of elbow joint (1) are connected fixedly, elbow joint (1) are equipped with two altogether, and two elbow joints (1) are fixed through male joint and female joint connection, the junction packing in proper order of elbow joint (1), straight joint (2) and straight joint (10) is equipped with sealing washer (5), V type sealing washer (12), fender oil O type circle (9), steel ball body (7) and dustproof O type circle (11).
2. The novel pressure-resistant double-seal high-pressure movable elbow according to claim 1, characterized in that: elastic holes (4) are formed in the female joints of the elbow joint (1) and the female straight joint (2), and the steel ball body (7) is installed in the female joints of the elbow joint (1) and the female straight joint (2) through the elastic holes (4).
3. The novel pressure-resistant double-seal high-pressure movable elbow according to claim 1, characterized in that: interior ballistic trajectory has been seted up in the female joint of elbow joint (1) and female straight joint (2), outer ballistic trajectory has been seted up in the male joint department of elbow joint (1) and male straight joint (10), steel ball body (7) are through interior ballistic trajectory and outer ballistic trajectory joint between elbow joint (1), female straight joint (2) and male straight joint (10).
4. The novel pressure-resistant double-seal high-pressure movable elbow according to claim 1, characterized in that: the steel ball bodies (7) are distributed on the male joints of the elbow joint (1) and the male and straight joint (10) in a conical shape.
5. The novel pressure-resistant double-seal high-pressure movable elbow according to claim 2, characterized in that: install steel ball stopper (6) in bullet hole (4), steel ball stopper (6) deviate from porose jump ring (8) of using of one side installation of steel ball body (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220086597.6U CN216715540U (en) | 2022-01-13 | 2022-01-13 | Novel withstand voltage double containment high pressure activity elbow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220086597.6U CN216715540U (en) | 2022-01-13 | 2022-01-13 | Novel withstand voltage double containment high pressure activity elbow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216715540U true CN216715540U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220086597.6U Active CN216715540U (en) | 2022-01-13 | 2022-01-13 | Novel withstand voltage double containment high pressure activity elbow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216715540U (en) |
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2022
- 2022-01-13 CN CN202220086597.6U patent/CN216715540U/en active Active
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new type of pressure resistant double sealed high pressure movable elbow 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 |