CN114382898A

CN114382898A - High-pressure stop valve convenient to use and use method thereof

Info

Publication number: CN114382898A
Application number: CN202111517575.7A
Authority: CN
Inventors: 陈海峰
Original assignee: Jiangsu Oilway Machinery Co ltd
Current assignee: Jiangsu Oilway Machinery Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-04-22

Abstract

The invention relates to the technical field of petroleum drilling and production, in particular to a high-pressure stop valve convenient to use, which comprises a connecting pipeline and a sealing main body; a first spoiler is arranged above one side in the connecting pipeline, a second spoiler is arranged below the other side in the connecting pipeline, and a sealing block is arranged between the first spoiler and the second spoiler; the locking main body comprises a connecting cylinder, the upper half part of the inside of the connecting cylinder is provided with a through hole, a cavity structure is arranged below the inside of the connecting cylinder, a closing mechanism is arranged in the cavity structure in a sliding mode, a threaded rod is connected in the through hole, and the other end of the threaded rod extends to the upper part of the connecting main body and is connected with a driving motor; a rotating hand wheel is hung on one side of the connecting column body. According to the invention, the driving motor is used for replacing manual work to seal the valve body, so that the convenience of the valve body during sealing is improved, the internal structure of the valve body is simple, the sealing is rapid, and meanwhile, when the driving motor cannot be used, the valve body can be rapidly replaced to a manual mode to seal the valve body, so that the flexibility of the valve body is improved.

Description

High-pressure stop valve convenient to use and use method thereof

Technical Field

The invention relates to a high-pressure stop valve, in particular to a convenient-to-use high-pressure stop valve and a using method thereof, and belongs to the technical field of petroleum drilling and production.

Background

The oil drilling and production technology is to find an oil storage block through exploration, namely, a special device and a special technology are utilized to drill a cylindrical hole with a certain diameter downwards or on one side at a pre-selected ground surface position and drill the work of an underground oil-gas layer, and the oil drilling and production is to excavate a surveyed oil field;

in the process of oil drilling and production, pipelines are required to be used for conveying oil, and the pipelines are required to be correspondingly closed or communicated by various valves according to use requirements when in use;

the high-pressure stop valve is one of various valve bodies, the opening and closing part of the high-pressure stop valve is a plug-shaped valve clack, the sealing surface is a plane or a conical surface, the valve clack moves linearly along the central line of fluid, the valve rod moves in a lifting rod type or a lifting rotating rod type, the stop valve is only suitable for full opening and full closing, adjustment and throttling are not allowed, and the existing high-pressure stop valve is inconvenient to use at present, so that the efficiency of petroleum transportation and treatment is reduced.

Therefore, there is a need for an improved high pressure shutoff valve to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a convenient-to-use high-pressure stop valve and a using method thereof.

In order to achieve the purpose, the invention adopts the main technical scheme that:

a high-pressure stop valve convenient to use comprises a connecting pipeline and a sealing-off main body, wherein the sealing-off main body is connected to the upper end face of the connecting pipeline, and the connecting pipeline is communicated with the sealing-off main body;

a first spoiler is arranged above one side inside the connecting pipeline, a second spoiler is arranged below the other side inside the connecting pipeline, and a sealing block is arranged between the first spoiler and the second spoiler;

the locking main body comprises a connecting cylinder, the upper half part of the inside of the connecting cylinder is provided with a through hole, a cavity structure is arranged below the inside of the connecting cylinder, a closing mechanism is arranged in the cavity structure in a sliding mode, a threaded rod is connected in the through hole, one end of the threaded rod is connected with the closing mechanism in a penetrating mode, and the other end of the threaded rod extends to the upper side of the connecting main body and is connected with a driving motor;

and a rotating hand wheel is hung on one side of the connecting column body.

Preferably, two adjacent end surfaces of the first spoiler and the second spoiler are located on the same horizontal plane, two sealing blocks are arranged, and the two sealing blocks are symmetrically arranged on the two adjacent end surfaces of the first spoiler and the second spoiler.

Preferably, a micro groove is formed above the inner side face of the sealing block, and a first rubber sealing gasket is attached to the surface of the micro groove.

Preferably, the vertical first spout that is provided with in both sides of cavity structure inner wall, closing mechanism is including connecting plate, bracing piece and closing disc, the both sides of connecting plate are provided with first slider, the medial part of connecting plate separately is equipped with first screw hole, first screw hole passes through threaded rod through connection, the bracing piece is in the lower terminal surface symmetry of connecting plate is provided with two, closing disc sets up two the below of bracing piece, closing disc is used for two space between the closing block seals.

Preferably, a compression spring is arranged between the lower end face of the first sliding block and the lower end face of the first sliding chute, the threaded rod penetrates through the first threaded hole and extends to the lower end of the connecting plate, and a fixing block is arranged at the lowest end of the threaded rod.

Preferably, a second rubber sealing gasket is attached to the surface of the sealing disc, and the outer ring of the sealing disc is of an arc surface structure.

Preferably, a second threaded hole is transversely seted up at the top of threaded rod, connecting cylinder up end both sides are provided with the slot, a side that driving motor is close to the output is provided with the inserted bar, driving motor's output is connected with the lantern ring, third threaded hole has been seted up to lantern ring one side, the lantern ring internal diameter with the external diameter of threaded rod is the same, third threaded hole with the second threaded hole passes through second threaded rod through connection.

Preferably, one side of the connecting body is provided with a supporting plate, and the surface of the supporting plate is provided with an anti-skid rubber pad.

Preferably, the center position of an end face of the rotating hand wheel is also provided with the lantern ring, and the surface of the rotating hand wheel is provided with anti-skid grains.

A method of using a high pressure shut-off valve for ease of use, comprising the steps of:

s1: when the valve body is closed, the driving motor is started, the screw rod connected with the driving motor is driven to rotate in the through hole through forward rotation of the driving motor, so that the connecting plate is driven to move downwards in the cavity structure, then the sealing disc connected with the supporting rod is driven to move downwards to a position between the two sealing blocks, the sealing disc is clamped between the two micro grooves, the valve body is closed, and the driving motor is driven to rotate reversely when the valve body is opened;

s2: work as driving motor meets and damages or during the condition of outage, through rotating the second threaded rod, makes the second threaded rod takes out from second screw hole and third screw hole internal rotation, then will driving motor takes off, then will hang the rotation hand wheel of establishing and take off, will the lantern ring cover that the rotation hand wheel was provided with through the below is established on the threaded rod, then will the second threaded rod injects second screw hole and third screw hole in, realizes the installation of rotation hand wheel utilizes the rotation hand wheel replaces driving motor drives the threaded rod rotates to realize realizing the closure of valve body.

The invention has at least the following beneficial effects:

1. through utilizing driving motor, the threaded rod, the connecting plate, the bracing piece, the setting up of closing dish and closed piece makes the valve body have good convenience when sealing, the threaded rod that drives to be connected through driving motor's corotation when sealing rotates in the through-hole, thereby drive the connecting plate and carry out the downstream in the cavity structure, then can drive the closed dish of connecting through the bracing piece and carry out the downstream to two closed pieces between, make the closed dish card establish between two miniature recesses, thereby realize the quick convenient closure again of valve body.

2. When driving motor can't use, can take off driving motor from the top of connecting the cylinder, will rotate the hand wheel and utilize the setting of the lantern ring to be connected with the threaded rod, utilize and rotate the hand wheel and replace driving motor to drive the threaded rod and rotate to the realization realizes sealing of valve body, thereby has improved the practicality when the valve body seals.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic cross-sectional view of the closed state of the present invention;

FIG. 3 is a schematic perspective view of the present invention;

FIG. 4 is a schematic perspective view of a rotating handwheel connection in accordance with the present invention;

FIG. 5 is a schematic perspective view of a portion of the present invention;

FIG. 6 is a schematic perspective view of a portion of the closure mechanism of the present invention;

FIG. 7 is a schematic perspective view of a driving motor according to the present invention;

fig. 8 is a schematic perspective view of the hand wheel of the present invention.

In the figure, 1-connecting pipe, 2-locking body, 3-first spoiler, 4-second spoiler, 5-sealing block, 6-connecting cylinder, 7-through hole, 8-cavity structure, 9-closing mechanism, 901-connecting plate, 902-supporting rod, 903-sealing disk, 10-threaded rod, 11-driving motor, 12-rotating hand wheel, 13-micro groove, 14-first rubber sealing gasket, 15-first sliding groove, 16-first sliding block, 17-first threaded hole, 18-compression spring, 19-fixing block, 20-second rubber sealing gasket, 21-second threaded hole, 22-slot, 23-inserted rod, 24-lantern ring, 25-third threaded hole, 26-second threaded rod, 27-support plate, 28-antiskid rubber pad.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

As shown in fig. 1 to 8, the high pressure stop valve convenient to use provided by this embodiment includes a connecting pipe 1 and a blocking body 2, the blocking body 2 is connected to an upper end surface of the connecting pipe 1, the connecting pipe 1 is communicated with the blocking body 2, a first spoiler 3 is disposed above one side inside the connecting pipe 1, a second spoiler 4 is disposed below the other side inside the connecting pipe 1, a sealing block 5 is disposed between the first spoiler 3 and the second spoiler 4, two adjacent end surfaces of the first spoiler 3 and the second spoiler 4 are located at the same horizontal plane, two sealing blocks 5 are disposed, the two sealing blocks 5 are symmetrically disposed at two adjacent end surfaces of the first spoiler 3 and the second spoiler 4, a micro groove 13 is disposed above an inner side surface of the sealing block 5, a first rubber gasket 14 is attached to a surface of the micro groove 13, the micro groove 13 is configured for clamping a sealing disc 903, the arrangement of the first rubber gasket 14 can improve the overall sealing effect of the closing mechanism 9;

the blockade main body 2 comprises a connecting cylinder 6, the upper half part inside the connecting cylinder 6 is provided with a through hole 7, a cavity structure 8 is arranged below the inside of the connecting cylinder 6, a closing mechanism 9 is arranged in the cavity structure 8 in a sliding manner, a threaded rod 10 is connected in the through hole 7, one end of the threaded rod 10 is in through connection with the closing mechanism 9, the other end of the threaded rod 10 extends to the upper part of the connecting cylinder 6 and is connected with a driving motor 11, first sliding grooves 15 are vertically arranged on two sides of the inner wall of the cavity structure 8, the closing mechanism 9 comprises a connecting plate 901, a supporting rod 902 and a closing disc 903, first sliding blocks 16 are arranged on two sides of the connecting plate 901, the arrangement of the first sliding blocks 16 and the first sliding grooves 15 enables the connecting plate 901 to have a sliding effect, a first threaded hole 17 is separately arranged in the middle part of the connecting plate 901, the first threaded hole 17 is in through connection through the threaded rod 10, two supporting rods 902 are symmetrically arranged on the lower end surface of the connecting plate 901, the sealing disc 903 is arranged below the two supporting rods 902, the sealing disc 903 is used for sealing a gap between the two sealing blocks 5, the threaded rod 10 connected with the sealing disc is driven to rotate in the through hole 7 through the forward rotation of the driving motor 11, so that the connecting plate 901 is driven to move downwards in the cavity structure 8, and then the sealing disc 903 connected with the supporting rods 902 is driven to move downwards to a position between the two sealing blocks 5 for sealing;

the rotating hand wheel 12 is hung on one side of the connecting column body 6, the supporting plate 27 is arranged on one side of the connecting body 6, the anti-skidding rubber pads 28 are arranged on the surface of the supporting plate 27, the supporting plate 27 is used for hanging the rotating hand wheel 12, the anti-skidding rubber pads 28 are arranged to improve the anti-skidding effect of the supporting plate 27, and the rotating hand wheel 12 can replace the driving motor 11 to rotate the threaded rod 10 when the driving motor 11 cannot be used.

In this embodiment, as shown in fig. 1, a compression spring 18 is disposed between a lower end surface of the first slider 16 and a lower end surface of the first sliding groove 15, the arrangement of the compression spring 18 enables the closing mechanism 9 to have an elastic effect, it can be ensured that when the rotating hand wheel 12 is replaced, the threaded rod 10 does not fall into the through hole 7 and the cavity structure 8, the threaded rod 10 penetrates through the first threaded hole 17 and extends to the lower end of the connecting plate 901, a fixing block 19 is disposed at the lowest end of the threaded rod 10, and the arrangement of the fixing block 19 effectively prevents the threaded rod 10 and the closing mechanism 9 from falling off.

In this embodiment, as shown in fig. 1, a second rubber gasket 20 is attached to the surface of the sealing disk 903, the outer ring of the sealing disk 903 is of an arc surface structure, the arrangement of the second rubber gasket 20 further improves the sealing effect when the sealing disk 903 is sealed, and the arrangement of the arc surface structure facilitates the clamping of the sealing disk 903 between the two fixing blocks 19.

In this embodiment, as shown in fig. 1 and 7, the uppermost end of the threaded rod 10 is transversely provided with a second threaded hole 21, two sides of the upper end surface of the connecting cylinder 6 are provided with slots 22, one side surface of the driving motor 11 close to the output end is provided with an inserted rod 23, when the driving motor 11 is installed, the inserted bar 23 is inserted into the slot 22 for positioning, the output end of the driving motor 11 is connected with a lantern ring 24, one side of the lantern ring 24 is provided with a third threaded hole 25, the inner diameter of the lantern ring 24 is the same as the outer diameter of the threaded rod 10, the third threaded hole 25 is in penetrating connection with the second threaded hole 21 through a second threaded rod 26, when the insert rod 23 is inserted into the slot 22, the collar 24 will wrap the upper end of the threaded rod 10, and the second threaded hole 21 is in communication with the third threaded rod 25, then, the second threaded rod 26 is used for through connection, so that the drive motor 11 is fixedly connected.

In this embodiment, as shown in fig. 8, a collar 24 is also disposed at a central position of an end surface of the rotating hand wheel 12, anti-slip lines are disposed on a surface of the rotating hand wheel 12, the rotating hand wheel 12 is also connected to the threaded rod 10 through the collar 24, and the anti-slip lines are disposed to improve an anti-slip effect on the surface of the rotating hand wheel 12.

s1: when the valve body is closed, the driving motor 11 is started, the screw rod 10 connected with the driving motor 11 is driven to rotate in the through hole 7 through forward rotation of the driving motor 11, so that the connecting plate 901 is driven to move downwards in the cavity structure 8, then the sealing disc 903 connected with the supporting rod 902 is driven to move downwards to a position between the two sealing blocks 5, the sealing disc 903 is clamped between the two micro grooves 13, the valve body is closed, and the driving motor 11 is driven to rotate reversely when the valve body is opened;

s2: when driving motor 11 runs into the condition of damage or outage, through rotating second threaded rod 26, make second threaded rod 26 take out from second screw hole 21 and third screw hole 25 internal rotation, then take off driving motor 11, then take off hanging the rotation hand wheel 12 of establishing, the lantern ring 24 cover that will rotate hand wheel 12 and be provided with through the below is established on threaded rod 10, then inject second threaded rod 26 in second screw hole 21 and the third screw hole 25, realize the installation of rotation hand wheel 12, utilize rotation hand wheel 12 to replace driving motor 11 to drive threaded rod 10 and rotate, thereby realize realizing the closure of valve body.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to achieve the technical effect basically.

It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or system in which the element is included.

The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A high-pressure stop valve convenient to use comprises a connecting pipeline (1) and a sealing-off main body (2), and is characterized in that the sealing-off main body (2) is connected to the upper end face of the connecting pipeline (1), and the connecting pipeline (1) is communicated with the sealing-off main body (2);

a first spoiler (3) is arranged above one side inside the connecting pipeline (1), a second spoiler (4) is arranged below the other side inside the connecting pipeline (1), and a sealing block (5) is arranged between the first spoiler (3) and the second spoiler (4);

the locking main body (2) comprises a connecting cylinder (6), the upper half part inside the connecting cylinder (6) is provided with a through hole (7), a cavity structure (8) is arranged below the inside of the connecting cylinder (6), a closing mechanism (9) is arranged in the cavity structure (8) in a sliding mode, a threaded rod (10) is connected into the through hole (7), one end of the threaded rod (10) is connected with the closing mechanism (9) in a penetrating mode, and the other end of the threaded rod (10) extends to the upper side of the connecting main body (6) and is connected with a driving motor (11);

and a rotating hand wheel (12) is hung on one side of the connecting column body (6).

2. A high pressure shut-off valve for convenient use as claimed in claim 1, wherein: the two adjacent end faces of the first spoiler (3) and the second spoiler (4) are positioned on the same horizontal plane, the number of the sealing blocks (5) is two, and the two sealing blocks (5) are symmetrically arranged on the two adjacent end faces of the first spoiler (3) and the second spoiler (4).

3. A high pressure shut-off valve for convenient use as claimed in claim 1, wherein: a micro groove (13) is formed in the upper portion of the inner side face of the sealing block (5), and a first rubber sealing gasket (14) is attached to the surface of the micro groove (13).

4. A high pressure shut-off valve for convenient use as claimed in claim 1, wherein: the cavity structure is characterized in that first sliding grooves (15) are vertically formed in two sides of the inner wall of the cavity structure (8), the closing mechanism (9) comprises a connecting plate (901), supporting rods (902) and a sealing disc (903), first sliding blocks (16) are arranged on two sides of the connecting plate (901), first threaded holes (17) are formed in the middle of the connecting plate (901), the first threaded holes (17) are connected through threaded rods (10), the two supporting rods (902) are symmetrically arranged on the lower end face of the connecting plate (901), the sealing disc (903) is arranged below the two supporting rods (902), and the sealing disc (903) is used for sealing a gap between the two sealing blocks (5).

5. A high pressure shut-off valve for convenient use as claimed in claim 4, wherein: a compression spring (18) is arranged between the lower end face of the first sliding block (16) and the lower end face of the first sliding groove (15), the threaded rod (10) penetrates through the first threaded hole (17) and extends to the lower end of the connecting plate (901), and a fixing block (19) is arranged at the lowest end of the threaded rod (10).

6. A high pressure shut-off valve for convenient use as claimed in claim 4, wherein: a second rubber sealing gasket (20) is attached to the surface of the sealing disc (903), and the outer ring of the sealing disc (903) is of an arc surface structure.

7. A high pressure shut-off valve for convenient use as claimed in claim 1, wherein: second screw hole (21) have transversely been seted up to the top of threaded rod (10), connection cylinder (6) up end both sides are provided with slot (22), a side that driving motor (11) are close to the output is provided with inserted bar (23), the output of driving motor (11) is connected with the lantern ring (24), third screw hole (25) have been seted up to lantern ring (24) one side, lantern ring (24) internal diameter with the external diameter of threaded rod (10) is the same, third screw hole (25) with second screw hole (21) is through-connection through second threaded rod (26).

8. A high pressure shut-off valve for convenient use as claimed in claim 1, wherein: one side of the connecting body (6) is provided with a supporting plate (27), and the surface of the supporting plate (27) is provided with an anti-skid rubber pad (28).

9. A high pressure shut-off valve for convenient use as claimed in claim 1, wherein: the center position of the terminal surface of rotation hand wheel (12) also is provided with lantern ring (24), the surface of rotation hand wheel (12) is provided with anti-skidding line.

10. A method for using a high-pressure stop valve convenient to use is characterized by comprising the following steps:

s1: when the valve body is closed, the driving motor (11) is started, the screw rod (10) connected with the valve body is driven to rotate in the through hole (7) through the forward rotation of the driving motor (11), so that the connecting plate (901) is driven to move downwards in the cavity structure (8), then the sealing disc (903) connected with the supporting rod (902) is driven to move downwards to a position between the two sealing blocks (5), the sealing disc (903) is clamped between the two micro grooves (13), the valve body is closed, and the driving motor (11) is rotated reversely when the valve body is opened;

s2: when driving motor (11) met the condition of damaging or outage, through rotating second threaded rod (26), made second threaded rod (26) are followed second screw hole (21) and third screw hole (25) internal rotation and are taken out, then will driving motor (11) take off, then will hang rotation hand wheel (12) of establishing and take off, will rotation hand wheel (12) are established lantern ring (24) cover that is provided with through the below and are established on threaded rod (10), then will second threaded rod (26) are injected in second screw hole (21) and third screw hole (25), realize the installation of rotation hand wheel (12), utilize rotation hand wheel (12) replace driving motor (11) drive threaded rod (10) rotate to the realization realizes the closure of valve body.