CN216043606U - Anti-displacement magnetic-triggering pressure-maintaining controller and limiting structure thereof - Google Patents
Anti-displacement magnetic-triggering pressure-maintaining controller and limiting structure thereof Download PDFInfo
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- CN216043606U CN216043606U CN202122538856.2U CN202122538856U CN216043606U CN 216043606 U CN216043606 U CN 216043606U CN 202122538856 U CN202122538856 U CN 202122538856U CN 216043606 U CN216043606 U CN 216043606U
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Abstract
The utility model relates to an anti-displacement magnetic-triggering pressure maintaining controller and a limiting structure thereof, wherein the pressure maintaining controller comprises a valve seat and a valve clack, one end of the valve clack is movably connected with the upper end of the valve seat, a first magnetic part is arranged on the valve clack, and a second magnetic part for attracting the first magnetic part is arranged on the valve seat; the outer wall of the valve seat is provided with at least one limiting convex part; the valve seat is arranged in the upper outer cylinder, the upper end surface of the lower outer cylinder is propped against the lower end surface of the valve seat, and the lower outer cylinder is connected with the upper outer cylinder through threads; the inner wall of the upper outer barrel is provided with a limiting groove matched with the limiting convex part, the limiting convex part is positioned in the limiting groove, and the upper outer barrel is provided with a third magnetic part for generating repulsive force for the first magnetic part. On one hand, the valve seat and the outer cylinder can be prevented from circumferential displacement and axial displacement; on the other hand, the third magnetic element and the first magnetic element can be quickly positioned and aligned during assembly.
Description
Technical Field
The utility model relates to the technical field of pressure maintaining coring, in particular to an anti-displacement magnetically-triggered pressure maintaining controller and a limiting structure thereof.
Background
The foundation of deep resource development is to research deep scientific rules, and the key is to find out the difference rules of the influence of in-situ environments with different occurrence depths on the physical and mechanical behaviors of rocks. Pressure maintaining is an important means in deep in-situ fidelity coring, and a pressure maintaining controller is a key device for realizing pressure maintaining.
The pressure maintaining controller has a ball valve and a flap valve, and the flap valve is selected to perform pressure maintaining control due to the complex structure of the ball valve and the unstable pressure maintaining capacity, which is a trend in the field. The traditional flap valve is triggered by elasticity, and needs to be turned over and closed by the dead weight of the valve clack, so that the flap valve is only suitable for the situation of near-vertical drilling.
With the development of the technology, the flap valve which is closed by magnetic force is carried out. For example, chinese patent document CN112963108A discloses a coring apparatus that realizes pressure maintaining by magnetic force triggering, wherein a second magnetic member is disposed on a valve flap, a first magnetic member that generates a repulsive force to the second magnetic member is mounted on an outer cylinder at a position corresponding to the second magnetic member, and a third magnetic member that generates an attractive force to the second magnetic member is disposed on a valve seat. The valve clack is closed through attractive force and repulsive force, so that the closing action of the valve clack is not limited by the drilling direction.
However, in the use process of the coring equipment, the valve seat and the outer barrel inevitably rotate relatively, so that the second magnetic part and the first magnetic part are staggered in position, the repulsive force of the second magnetic part to the valve clack is further influenced, the closing performance of the valve clack is further influenced, and finally the pressure maintaining performance of the coring equipment is adversely influenced.
SUMMERY OF THE UTILITY MODEL
The application provides a prevent aversion magnetism and trigger pressurize controller and limit structure thereof in order to solve above-mentioned technical problem.
The application is realized by the following technical scheme:
the utility model provides a prevent aversion magnetism and trigger pressurize controller, including disk seat and valve clack, valve clack one end and disk seat upper end swing joint, first magnetic part is equipped with on the valve clack, the disk seat outer wall is equipped with at least one spacing convex part.
Optionally, a second magnetic member for attracting the first magnetic member is mounted on the valve seat.
Optionally, the stop protrusion is integrally manufactured with the valve seat.
Optionally, the bottom surface of the limiting convex part is flush with the lower end surface of the valve seat.
Particularly, at least two limiting convex parts are arranged at equal intervals along the circumferential direction.
Optionally, a groove is formed in the inner wall of the valve seat, and the second magnetic member is mounted in the groove in the inner wall of the valve seat.
Optionally, a groove is formed in the outer surface of the valve flap, and the first magnetic member is mounted in the groove in the outer surface of the valve flap.
In particular, the first magnetic member and the second magnetic member are both tile-shaped.
According to the limiting structure of the anti-displacement magnetic-triggering pressure maintaining controller, the valve seat is arranged in the upper outer cylinder, the upper end of the lower outer cylinder extends into the upper outer cylinder, the upper end surface of the lower outer cylinder abuts against the lower end surface of the valve seat, and the lower outer cylinder is connected with the upper outer cylinder through threads;
and the inner wall of the upper outer barrel is provided with a limiting groove matched with the limiting convex part, and the limiting convex part is positioned in the limiting groove.
The inner wall of the upper outer cylinder is provided with a groove and a third magnetic part, and the third magnetic part is used for generating repulsive force for the first magnetic part;
when the valve clack is opened, the first magnetic part on the valve clack is opposite to the third magnetic part on the inner wall of the upper outer cylinder.
Compared with the prior art, the method has the following beneficial effects:
according to the valve, the limiting convex part is arranged on the outer wall of the valve seat, and the adaptive limiting groove is arranged on the inner wall of the upper outer barrel, so that on one hand, the valve seat and the outer barrel can be prevented from circumferential displacement in the using process, and the influence on the closing of the valve clack caused by the deviation of the third magnetic part and the first magnetic part is avoided; meanwhile, under the matching of the lower outer cylinder, the axial displacement of the valve seat can be avoided; on the other hand, the limiting convex part and the limiting groove have a positioning effect, and the third magnetic part and the first magnetic part can be quickly aligned during assembly.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model.
FIG. 1 is a schematic structural diagram of an anti-displacement magnetically-triggered pressure maintaining controller in an embodiment of the present application;
fig. 2 is a schematic diagram of a limiting structure in the embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments. It is to be understood that the described embodiments are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict. It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are used only for convenience in describing and simplifying the present invention, but do not indicate or imply that the devices or elements that are referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in fig. 1, the displacement-preventing magnetically-triggered pressure-maintaining controller disclosed in this embodiment includes a valve seat 1 and a valve flap 2, wherein one end of the valve flap 2 is movably connected to the upper end of the valve seat 1.
A first magnetic member 3 is mounted on the valve flap 2, and a second magnetic member 4 for attracting the first magnetic member 3 is mounted on the valve seat 1. The outer wall of the valve seat 1 is provided with at least one limiting convex part 11, the limiting convex part 11 and the valve seat 1 are integrally manufactured, and the bottom surface of the limiting convex part 11 is flush with the lower end surface of the valve seat 1. The number of the limit convex parts 11 is reasonably set according to needs, and at least two limit convex parts 11 are preferably arranged at equal intervals along the circumferential direction of the valve seat 1.
It is worth mentioning that the top surface of the limit convex part 11 is lower than the outer sealing ring installation groove of the valve seat 1, so as to avoid influencing the installation of the outer sealing ring.
Specifically, a groove is formed in the inner wall of the valve seat 1, and the second magnetic member 4 is arranged in the groove in the inner wall of the valve seat 1. The outer surface of the valve clack 2 is provided with a groove, and the first magnetic part 3 is arranged in the groove on the outer surface of the valve clack 2.
Specifically, the first magnetic member 3 and the second magnetic member 4 are both tile-shaped magnets, the outer surface of the first magnetic member 3 is flush with the outer surface of the valve clack 2, and the inner wall of the second magnetic member 4 is flush with the inner wall of the valve seat 1.
In particular, the number of the second magnetic members 4 is set as appropriate as required. Alternatively, three second magnetic members 4 are arranged on the valve seat 1 at equal intervals in the circumferential direction.
Example two
Based on the above anti-displacement magnetically-triggered pressure maintaining controller, the embodiment discloses a limiting structure of the anti-displacement magnetically-triggered pressure maintaining controller, which includes an upper outer cylinder 5, a lower outer cylinder 6 and the above anti-displacement magnetically-triggered pressure maintaining controller, as shown in fig. 2.
The inner wall of the upper outer cylinder 5 is provided with a limit groove 51 matched with the limit convex part 11, taking the two limit convex parts 11 symmetrically arranged on the outer wall of the valve seat 1 as an example, the inner wall of the upper outer cylinder 5 is provided with two limit grooves 51 symmetrically arranged.
The valve seat 1 is arranged in the upper outer cylinder 5, the upper end of the lower outer cylinder 6 extends into the upper outer cylinder 5, the upper end surface of the lower outer cylinder 6 is abutted against the lower end surface of the valve seat 1, the lower outer cylinder 6 is connected with the upper outer cylinder 5 through threads, and the limiting convex parts 11 are positioned in the limiting grooves 51 one by one.
And a third magnetic member 7 is arranged on the inner wall of the upper outer cylinder 5 in a groove, and the third magnetic member 7 is used for generating repulsive force for the first magnetic member 3. When the valve clack 2 is opened, the first magnetic part 3 on the valve clack 2 is opposite to the third magnetic part 7 on the inner wall of the upper outer cylinder 5.
When the core barrel 8 is lifted by the center rod to pass over the top end of the valve clack 2, the first magnetic member 3 on the valve clack 2 is closed with the valve seat 1 by the attraction of the second magnetic member 4 on the valve seat 1 and the repulsion of the third magnetic member 7 on the upper outer cylinder 5.
The valve seat 1 and the upper outer cylinder 5 are limited through the limiting convex part 11 and the limiting groove 51, so that on one hand, the valve seat 1 and the upper outer cylinder 5 can be prevented from being displaced circumferentially in the using process, so that the second magnetic part 4 and the first magnetic part 3 are deviated, and the closing of the valve clack 2 is influenced; meanwhile, under the matching of the lower outer cylinder 6, the axial displacement of the valve seat 1 can be avoided; on the other hand, the position-limiting protrusion 11 and the position-limiting groove 51 can play a positioning role during assembly, so that the third magnetic element 7 and the first magnetic element 3 can be quickly aligned during assembly.
The above embodiments are provided to explain the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. Prevent aversion magnetism and trigger pressurize controller, including disk seat and valve clack, valve clack one end and disk seat upper end swing joint, the valve clack is equipped with first magnetism spare, its characterized in that: the outer wall of the valve seat is provided with at least one limiting convex part.
2. The anti-displacement magnetically triggered dwell controller of claim 1, wherein: the limit convex part and the valve seat are manufactured integrally.
3. The anti-displacement magnetically triggered dwell controller according to claim 1 or 2, characterized in that: the bottom surface of the limiting convex part is flush with the lower end surface of the valve seat.
4. The anti-displacement magnetically triggered dwell controller according to claim 1 or 2, characterized in that: at least two limiting convex parts are arranged at equal intervals along the circumferential direction.
5. The anti-displacement magnetically triggered dwell controller of claim 1, wherein: the outer surface of the valve clack is provided with a groove, and the first magnetic part is arranged in the groove on the outer surface of the valve clack.
6. The anti-displacement magnetically triggered dwell controller of claim 1 or 5, characterized in that: and the valve seat is provided with a second magnetic part for attracting the first magnetic part.
7. The anti-displacement magnetically triggered dwell controller of claim 6, wherein: a groove is formed in the inner wall of the valve seat, and the second magnetic part is arranged in the groove in the inner wall of the valve seat.
8. The anti-displacement magnetically triggered dwell controller of claim 7, wherein: the first magnetic part and the second magnetic part are both in a tile shape.
9. Prevent aversion magnetism and trigger limit structure of pressurize controller, its characterized in that: the anti-displacement magnetic-triggering pressure maintaining controller comprises an upper outer cylinder, a lower outer cylinder and the anti-displacement magnetic-triggering pressure maintaining controller according to any one of claims 1 to 8, wherein the valve seat is arranged in the upper outer cylinder, the upper end of the lower outer cylinder extends into the upper outer cylinder, the upper end surface of the lower outer cylinder is abutted against the lower end surface of the valve seat, and the lower outer cylinder is connected with the upper outer cylinder through threads;
and the inner wall of the upper outer barrel is provided with a limiting groove matched with the limiting convex part, and the limiting convex part is positioned in the limiting groove.
10. The spacing structure of claim 9, wherein: a third magnetic part is arranged on the inner wall of the upper outer cylinder in a groove, and the third magnetic part is used for generating repulsive force for the first magnetic part;
when the valve clack is opened, the first magnetic part on the valve clack is opposite to the third magnetic part on the inner wall of the upper outer cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122538856.2U CN216043606U (en) | 2021-10-21 | 2021-10-21 | Anti-displacement magnetic-triggering pressure-maintaining controller and limiting structure thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122538856.2U CN216043606U (en) | 2021-10-21 | 2021-10-21 | Anti-displacement magnetic-triggering pressure-maintaining controller and limiting structure thereof |
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| CN216043606U true CN216043606U (en) | 2022-03-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958279A (en) * | 2021-10-29 | 2022-01-21 | 深圳大学 | Magnetic force triggering multidirectional pressure maintaining coring device with simple structure and rock sample extraction method |
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2021
- 2021-10-21 CN CN202122538856.2U patent/CN216043606U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958279A (en) * | 2021-10-29 | 2022-01-21 | 深圳大学 | Magnetic force triggering multidirectional pressure maintaining coring device with simple structure and rock sample extraction method |
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