CN219120092U

CN219120092U - Cock plugging device

Info

Publication number: CN219120092U
Application number: CN202223322410.7U
Authority: CN
Inventors: 雒焕焕; 薛剑; 李冬明; 盛登礼; 米延文; 杨艳龙
Original assignee: Shaanxi Yanchang Chinacoal Yulin Energy Chemical Co ltd
Current assignee: Shaanxi Yanchang Chinacoal Yulin Energy Chemical Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-06-02
Anticipated expiration: 2032-12-12

Abstract

The application discloses a plug plugging device, which comprises a barrel, a plug, a jacking screw rod, a sleeve, a sealing gasket and a plurality of locking rods; the opening end of the cylinder body is fixedly connected to the outside of the leakage port; the jacking screw rod is arranged on the cylinder in a penetrating manner along the axial direction of the cylinder and is in threaded connection with the cylinder; the plug is fixedly connected to the end part of the jacking screw rod; the sleeve and the sealing gasket are respectively sleeved on the outer side of the plug; the sealing gasket is arranged between the sleeve and the leakage port, and can cover and seal the outer side of the leakage port; the locking rods are annularly arranged in an array along the radial direction of the cylinder body, penetrate through the cylinder body and are in threaded connection with the cylinder body; the locking rod stretches into the end part of the cylinder body to be clamped with the jacking screw rod, so that the axial limit of the jacking screw rod can be realized; the locking rod stretches into the end outside of barrel and is provided with conical surface structure, and conical surface structure and sleeve deviate from sealed tip sliding connection who fills up. This application has realized setting up twice at the leakage port department and has sealed, can restrict stopper axial displacement simultaneously, has improved sealed effect effectively.

Description

Cock plugging device

Technical Field

The application relates to the technical field of equipment leakage overhaul, in particular to a plug plugging device.

Background

In petrochemical production, pipeline leakage is a common equipment fault, and the current plugging mode is to fix the pipeline by a clamp after plugging the pipeline by a cock; also, the sealing gasket is used for sealing and then is fixed by a clip. The above-mentioned mode in the prior art is simply provided with a seal, and has a certain sealing effect, but has potential safety hazards, and the clamp can be loosened after long-term use, and secondary leakage is still possible.

Disclosure of Invention

The utility model provides a through providing a cock plugging device, solved the leaking stoppage mode among the prior art and mostly simply set up a seal, the checkpost can appear becoming flexible and then cause the technical problem of secondary leakage after long-term use, realized setting up twice at the leakage mouth department and sealed, can restrict stopper axial displacement simultaneously, improved sealed effect effectively.

The plug plugging device comprises a barrel, a plug, a jacking screw rod, a sleeve, a sealing gasket and a plurality of locking rods; the opening end of the cylinder body is fixedly connected to the outside of the leakage port; the jacking screw rod is arranged on the cylinder in a penetrating manner along the axial direction of the cylinder and is in threaded connection with the cylinder; the plug is fixedly connected to the end part of the jacking screw rod, and can seal the leakage port; the sleeve and the sealing gasket are respectively sleeved on the outer side of the plug; the sealing gasket is arranged between the sleeve and the leakage port, and can cover and seal the outer side of the leakage port; the locking rods are annularly arranged in an array along the radial direction of the cylinder body, penetrate through the cylinder body and are in threaded connection with the cylinder body; the locking rod stretches into the end part of the cylinder body and is clamped with the jacking screw rod, so that the jacking screw rod can be axially limited; the locking rod stretches into the outer side of the end part of the cylinder body and is provided with a conical surface structure, and the conical surface structure is in sliding connection with the end part of the sleeve, which is away from the sealing gasket.

In one possible implementation manner, the plug is in a conical structure, the sleeve is provided with a conical hole in a penetrating manner along the axial direction of the sleeve, and the plug extends into the sleeve and passes through the conical hole and is in contact with the conical hole.

In one possible implementation manner, a plurality of jacks are formed in the annular array on the outer side of the end portion, close to the plug, of the jacking screw rod, and the end portion, extending into the barrel, of the locking rod is spliced with the jacks.

In one possible implementation manner, the plug comprises a first conical block and a second conical block, wherein the small opening end of the first conical block has the same end face diameter as the large opening end of the second conical block, and the small opening end of the first conical block is fixedly connected with the large opening end of the second conical block; the sleeve is sleeved on the outer sides of the first conical block and the second conical block, and the sealing gasket is sleeved on the outer side of the small opening end of the second conical block; the hardness of the material of the first conical block is greater than that of the material of the second conical block.

In one possible implementation, the locking lever is an interference fit with the receptacle.

One or more technical solutions provided in the present application have at least the following technical effects or advantages:

according to the sealing device, the barrel, the plug, the jacking screw rod, the sleeve, the sealing gasket and the locking rods are adopted, wherein the barrel, the jacking screw rod and the plug are arranged, the barrel is fixedly connected to the outside of a leakage port of a pipeline, then the jacking screw rod is screwed inwards, the plug is driven to axially move through the jacking screw rod, the leakage port is gradually plugged, and the first sealing of the leakage port is realized;

the sleeve and the sealing gasket are sleeved on the outer side of the plug in advance by the arrangement of the sleeve, the sealing gasket and the plurality of locking rods, the sleeve and the sealing gasket are synchronously driven to move towards the direction of the leakage port when the plug moves axially, and the sleeve is extruded by the plug in the process that the leakage port is gradually plugged by the plug, so that the sealing gasket is extruded by the sleeve, the sealing gasket can be extruded on the outer side of the leakage port, and primary secondary sealing of the leakage port is realized; after the plug is used for completely plugging the leakage port, the locking rod is screwed inwards along the radial direction of the cylinder, and in the process that the locking rod stretches into the cylinder, the end part of the sleeve can be gradually extruded through the conical surface structure of the end part of the locking rod, so that the sleeve can extrude the sealing gasket again, the sealing gasket is finally pressed on the outer side of the leakage port, the complete secondary sealing of the leakage port is realized, meanwhile, the end part of the locking rod is clamped into the outer side of the ejector rod screw rod, the axial limiting of the ejector rod screw rod can be realized, and the axial loosening of the ejector rod screw rod and the plug is avoided;

the leakage blocking method effectively solves the technical problems that in the prior art, the leakage blocking mode is mainly simple, one seal is arranged, and after long-term use, the clamp is loosened to cause secondary leakage, two seals are arranged at the leakage port, and meanwhile, the axial movement of the plug can be limited, so that the sealing effect is effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments of the present utility model or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of a plug plugging device according to an embodiment of the present disclosure;

FIG. 2 is an isometric view of a jacking screw and plug provided in an embodiment of the present application;

fig. 3 is a three-dimensional cross-sectional view of a sleeve provided in an embodiment of the present application.

Reference numerals: 1-a cylinder; 2-a plug; 21-a first conical block; 22-a second conical block; 3-jacking a screw rod; 31-jack; 4-sleeve; 41-a conical hole; 5-a gasket; 6-locking bar; 7-a leakage port; 8-pipeline.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the embodiments of the present utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

Referring to fig. 1-3, the plug plugging device provided by the embodiment of the application comprises a barrel 1, a plug 2, a jacking screw rod 3, a sleeve 4, a sealing gasket 5 and a plurality of locking rods 6; the open end of the cylinder 1 is fixedly connected to the outside of the leakage port 7; the jacking screw rod 3 is arranged on the cylinder body 1 in a penetrating manner along the axial direction of the cylinder body 1 and is in threaded connection with the cylinder body 1; the plug 2 is fixedly connected to the end part of the jacking screw rod 3, so that the leakage port 7 can be plugged; the sleeve 4 and the sealing gasket 5 are respectively sleeved on the outer side of the plug 2; the sealing gasket 5 is arranged between the sleeve 4 and the leakage port 7, and can cover and seal the outer side of the leakage port 7; a plurality of locking rods 6 are annularly arranged in an array along the radial direction of the cylinder body 1, and the locking rods 6 penetrate through the cylinder body 1 and are in threaded connection with the cylinder body 1; the locking rod 6 stretches into the end part of the cylinder body 1 and is clamped with the jacking screw rod 3, so that the jacking screw rod 3 can be axially limited; the outer side of the end part of the locking rod 6 extending into the cylinder body 1 is provided with a conical surface structure which is in sliding connection with the end part of the sleeve 4, which is away from the sealing gasket 5. In the embodiment of the application, before the leakage port 7 is plugged, the open end of the cylinder 1 is welded outside the leakage port 7 of the pipeline 8, then the jacking screw rod 3 is screwed along the axial direction of the cylinder 1, the jacking screw rod 3 drives the plug 2, the sleeve 4 and the sealing gasket 5 to axially move integrally until the plug 2 contacts the leakage port 7 and gradually plugs the leakage port 7, in the process that the plug 2 gradually plugs the leakage port 7, the sealing gasket 5 also contacts the outer side of the pipeline 8, simultaneously the sleeve 4 is driven by the plug 2 to continuously axially move and initially extrude the sealing gasket 5, after the plug 2 completely plugs the leakage port 7, the jacking screw rod 3 is stopped to be screwed, then the locking rod 6 is screwed inwards along the radial direction of the cylinder 1, in the process that the locking rod 6 stretches into the cylinder 1, the end of the sleeve 4 can be gradually extruded through the conical surface structure of the end part of the locking rod 6, the sleeve 4 is pressed on the outer side of the leakage port 7, and the sealing gasket 5 is completely pressed on the outer side of the leakage port 7, and simultaneously the axial clamping of the end part of the sealing gasket 6 is blocked by the plug 4 can be completely pressed on the outer side of the leakage port 7, and the axial loosening of the jacking screw rod 3 can be avoided, and the axial loosening of the jacking screw rod 3 can be prevented; according to the embodiment of the application, the sealant can be further injected into the barrel 1, so that the inner cavity of the barrel 1 is free of gaps, and the blocking effect is further improved.

Referring to fig. 1 to 3, the plug 2 has a tapered structure, the sleeve 4 is provided with a tapered hole 41 penetrating in its axial direction, and the plug 2 extends into the sleeve 4 and passes through the tapered hole 41 and contacts the tapered hole 41. The plug 2 is specifically provided in this embodiment as a tapered structure, and the plug 2 can gradually form a plugging extrusion to the leakage port 7 through the tapered structure in the process of gradually contacting the leakage port 7.

Referring to fig. 2, a plurality of insertion holes 31 are formed in the outer side of the end portion, close to the plug 2, of the jacking screw rod 3 in an annular array, and the end portion, extending into the barrel 1, of the locking rod 6 is inserted into the insertion holes 31. In the embodiment of the application, the number of the jacks 31 and the locking rods 6 is specifically four, the axial limiting of the jacking screw rod 3 can be realized through the insertion of the locking rods 6 and the jacks 31, the axial movement of the jacking screw rod 3 and the plug 2 is avoided, the loosening is caused, and the plugging effect is improved; in addition, the end of the locking rod 6 in the embodiment of the application may be in threaded connection with the insertion hole 31, and may be reasonably selected according to practical situations.

Referring to fig. 1, the plug 2 includes a first tapered block 21 and a second tapered block 22, the small mouth end of the first tapered block 21 and the large mouth end of the second tapered block 22 have the same end face diameter, and the small mouth end of the first tapered block 21 and the large mouth end of the second tapered block 22 are fixedly connected; the sleeve 4 is sleeved outside the first conical block 21 and the second conical block 22, and the sealing gasket 5 is sleeved outside the small opening end of the second conical block 22; the hardness of the material of the first tapered block 21 is greater than that of the second tapered block 22. In this embodiment of the application, because the plug 2 can have the extrusion to the sleeve 4 in the in-process of gradually extruding the leakage port 7, so set the plug 2 into the first conical block 21 that hardness is great and the second conical block 22 that hardness is less, extrude the shutoff to the leakage port 7 through the second conical block 22, extrude the sleeve 4 through the first conical block 21, guaranteed the extrusion effect to the sleeve 4 to guaranteed the preliminary extrusion effect of sleeve 4 to sealing washer 5.

Referring to fig. 1, there is an interference fit between the locking lever 6 and the socket 31. Further set up for interference fit between locking lever 6 and the jack 31 in this embodiment, guaranteed the firm connection between locking lever 6 and the jack 31 to can carry out the axial spacing to roof pressure lead screw 3 effectively.

In this specification, each embodiment is described in a progressive manner, and the same or similar parts of each embodiment are referred to each other, and each embodiment is mainly described as a difference from other embodiments.

The above embodiments are only for illustrating the technical solution of the present application, and not for limiting the present application; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions.

Claims

1. The plug plugging device is characterized by comprising a cylinder (1), a plug (2), a jacking screw rod (3), a sleeve (4), a sealing gasket (5) and a plurality of locking rods (6);

the opening end of the cylinder body (1) is fixedly connected to the outside of the leakage port (7);

the jacking screw rod (3) is arranged on the cylinder body (1) in a penetrating manner along the axial direction of the cylinder body (1) and is in threaded connection with the cylinder body (1);

the plug (2) is fixedly connected to the end part of the jacking screw rod (3) and can seal the leakage opening (7);

the sleeve (4) and the sealing gasket (5) are respectively sleeved on the outer side of the plug (2);

the sealing gasket (5) is arranged between the sleeve (4) and the leakage port (7) and can cover and seal the outer side of the leakage port (7);

the locking rods (6) are annularly arranged in an array along the radial direction of the cylinder body (1), and the locking rods (6) penetrate through the cylinder body (1) and are in threaded connection with the cylinder body (1);

the locking rod (6) stretches into the end part of the cylinder body (1) to be clamped with the jacking screw rod (3), so that the jacking screw rod (3) can be axially limited;

the locking rod (6) stretches into the outer side of the end part of the cylinder body (1) and is provided with a conical surface structure, and the conical surface structure is in sliding connection with the end part of the sleeve (4) deviating from the sealing gasket (5).

2. Plug plugging device according to claim 1, wherein the plug (2) has a conical structure, the sleeve (4) is provided with a conical hole (41) penetrating in its axial direction, and the plug (2) extends into the sleeve (4) and through the conical hole (41) and contacts the conical hole (41).

3. Plug plugging device according to claim 1, wherein a plurality of insertion holes (31) are formed in the annular array on the outer side of the end part of the jacking screw rod (3) close to the plug (2), and the end part of the locking rod (6) extending into the barrel (1) is inserted into the insertion holes (31).

4. Plug plugging device according to claim 1, wherein the plug (2) comprises a first conical block (21) and a second conical block (22), the small mouth end of the first conical block (21) and the large mouth end of the second conical block (22) being of the same end face diameter, the small mouth end of the first conical block (21) and the large mouth end of the second conical block (22) being fixedly connected;

the sleeve (4) is sleeved on the outer sides of the first conical block (21) and the second conical block (22), and the sealing gasket (5) is sleeved on the outer side of the small opening end of the second conical block (22);

the material hardness of the first conical block (21) is greater than the material hardness of the second conical block (22).

5. A tap plugging device according to claim 3, characterised in that said locking lever (6) is in an interference fit with said receptacle (31).