CN213576194U - Pipeline sealing plug - Google Patents
Pipeline sealing plug Download PDFInfo
- Publication number
- CN213576194U CN213576194U CN202022582785.1U CN202022582785U CN213576194U CN 213576194 U CN213576194 U CN 213576194U CN 202022582785 U CN202022582785 U CN 202022582785U CN 213576194 U CN213576194 U CN 213576194U
- Authority
- CN
- China
- Prior art keywords
- gasket
- sealing plug
- nut
- plug
- bolt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 47
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007787 solid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Pipe Accessories (AREA)
Abstract
The utility model relates to the technical field of pipelines, especially, relate to a simple structure, fill in and take out the sealed end cap of pipe end convenient, that can adapt to the pipe diameter and change. An elastic sealing plug is arranged between the inner gasket and the outer gasket, and a deformation space is arranged in the middle of the sealing plug; the screw rod part of the bolt sequentially penetrates through the inner gasket, the sealing plug and the outer gasket and is matched with the corresponding nut, and the nut part of the bolt is tightly attached to the inner gasket. The utility model discloses a pipeline sealing end cap, through interior gasket, outer gasket, the sealing plug, the deformation space, the cooperation of bolt and nut etc, the one end at interior gasket place stretches into in the pipeline during use, make the sealing plug be in inside the pipeline, then swivel nut, let interior gasket and outer gasket extrusion sealing plug, deformation takes place for the sealing plug, bulge to circumference, support tightly with the pipeline inner wall, reach the shutoff effect of end cap, only need during the dismantlement reverse rotation nut can, and the pipe fitting has a simple structure, it is convenient to fill in and take out, can adapt to the characteristics that the pipe diameter changes.
Description
Technical Field
The utility model relates to the technical field of pipelines, especially, relate to a simple structure, fill in and take out the sealed end cap of pipe end convenient, that can adapt to the pipe diameter and change.
Background
Generally, when a pipeline is overhauled, a pipe opening needs to be sealed, the pipe opening is often blocked by a plug, a traditional plug knocks a frustum-shaped plug into the pipe through inward axial force, the plug is difficult to take out after the overhaul is finished, the plug can be taken out after being crushed sometimes, the plug is damaged or the use frequency is low, broken objects are easy to remain in the pipeline, in addition, a rubber solid plug which expands in the pipe is also used, the nut is hard to tighten during the extrusion operation of the solid plug, the expansion amount is small, the requirement on the manufacturing and control of the outer diameter is high, the capacity of adapting to the change of the pipe diameter is poor, the pressure resistance is poor, parts of the solid plug are easy to rotate or move in the pipe during the installation and the disassembly, the operation is inconvenient, and.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a simple structure, fill in and take out the pipe end seal end cap that the convenience, can adapt to the pipe diameter and change.
The utility model adopts the technical proposal that: the pipeline sealing plug comprises an inner gasket and an outer gasket, wherein an elastic sealing plug is arranged between the inner gasket and the outer gasket, and a deformation space is arranged in the middle of the sealing plug; the screw rod part of the bolt sequentially penetrates through the inner gasket, the sealing plug and the outer gasket and is matched with the corresponding nut, and the nut part of the bolt is tightly attached to the inner gasket.
For realizing better the utility model discloses, the cooperation department welded seal of nut portion and interior gasket of bolt.
For realizing better the utility model discloses screw rod portion tip be provided with the quad slit that sets up along the axis direction, the cooperation has the square core that can freely slide in the axial direction in this quad slit.
In order to better realize the utility model discloses, the appearance of sealing plug is the cydariform, the deformation space be spherical, the radius of the curved part of cydariform be R2, spherical radius R1, wherein R1 < R2.
In order to better realize the utility model discloses, the thickness in the middle part of the sealing plug be t1, the thickness of upper end and lower extreme is t2, and t1 < t 2.
In order to better realize the utility model, the diameter of the middle part of the sealing plug is phi b, the diameters of the upper part and the lower part are phi a, and phi a is less than phi b.
For better realizing the utility model discloses, the nut with the cooperation department of outer gasket be provided with the nut gasket.
For better realizing the utility model discloses, the sealing plug adopt rubber or silica gel.
The beneficial effects of the utility model are embodied in: the utility model discloses a pipeline sealing end cap, through interior gasket, outer gasket, the sealing plug, the deformation space, the cooperation of bolt and nut etc, the one end at interior gasket place stretches into in the pipeline during use, make the sealing plug be in inside the pipeline, then swivel nut, let interior gasket and outer gasket extrusion sealing plug, deformation takes place for the sealing plug, bulge to circumference, support tightly with the pipeline inner wall, reach the shutoff effect of end cap, only need during the dismantlement reverse rotation nut can, and the pipe fitting has a simple structure, it is convenient to fill in and take out, can adapt to the characteristics that the pipe diameter changes.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of the pipe sealing plug of the present invention;
in the attached drawing, 1-pipeline, 2-bolt, 3-inner gasket, 4-sealing plug, 5-outer gasket and 6-nut.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
Example 1:
as shown in fig. 1, the pipe sealing plug of the present invention comprises an inner gasket 3 and an outer gasket 5, wherein an elastic sealing plug 4 is disposed between the inner gasket 3 and the outer gasket 5, and a deformation space is disposed in the middle of the sealing plug 4; the sealing structure further comprises a bolt 2, a screw rod part of the bolt 2 sequentially penetrates through the inner gasket 3, the sealing plug 4 and the outer gasket 5 and is matched with a corresponding nut 6, and a nut part of the bolt 2 is tightly attached to the inner gasket 3. The utility model discloses a pipeline sealing plug, through interior gasket 3, outer gasket 5, sealing plug 4, the deformation space, the cooperation of bolt 2 and nut 6 etc, the one end at 3 places of interior gasket stretches into in the pipeline 1 during the use, make sealing plug 4 be in 1 inside the pipeline, then swivel nut 6, let interior gasket 3 and 5 extrusion sealing plug 4 of outer gasket, sealing plug 4 takes place deformation, bulge to circumference, support tightly with 1 inner wall of pipeline, reach the shutoff effect of plug, only need during the dismantlement reverse rotation nut 6 can, simple structure has, fill in and take out the convenience, can adapt to the characteristics that the pipe diameter changes.
Example 2:
on the basis of above-mentioned embodiment, for further carrying out better the utility model discloses, the cooperation department welded seal of the nut portion of bolt 2 and inner gasket 3, after designing like this, can prevent that the hard contact is airtight not tightly causes the gap to leak between bolt 2 and inner gasket 3, the interior hexagonal bolt of 2 preferred adoption button heads of bolt, convenient welding.
Example 3:
on the basis of above-mentioned embodiment, for further carrying out better the utility model discloses screw rod portion tip be provided with the quad slit that sets up along the axis direction, the cooperation has the square core that can freely slide in the axial direction in this quad slit. After the design, the square core can be clamped by one wrench when the nut 6 is rotated, and the nut 6 is rotated by the other wrench, so that the operation is quite convenient.
Example 4:
on the basis of the above-mentioned embodiment, in order to further and better implement the present invention, the outer shape of the sealing plug 4 is drum-shaped, the deformation space is spherical, the radius of the arc-shaped part of the drum-shaped is R2, the radius of the sphere is R1, wherein R1 < R2. Preferably, the thickness of the central part of the sealing plug 4 is t1, the thickness of the upper and lower ends is t2, and t1 < t 2. Furthermore, the diameter of the middle part of the sealing plug 4 is phi b, the diameters of the upper part and the lower part are phi a, and phi a is less than phi b. This arrangement facilitates a greater amount of outward bulging at the central thin wall when the bore seal 4 is compressed.
Example 5:
on the basis of above-mentioned embodiment, for further carrying out better the utility model discloses, nut 6 with outer gasket 5's cooperation department be provided with the nut gasket, after designing like this, can increase frictional force, improve the fixed stability of nut 6.
Preferably, the sealing plug 4 is made of rubber or silicone.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (8)
1. Pipeline seal end cap, its characterized in that: the gasket comprises an inner gasket (3) and an outer gasket (5), wherein an elastic sealing plug (4) is arranged between the inner gasket (3) and the outer gasket (5), and a deformation space is arranged in the middle of the sealing plug (4); the sealing structure is characterized by further comprising a bolt (2), wherein a screw rod part of the bolt (2) sequentially penetrates through the inner gasket (3), the sealing plug (4) and the outer gasket (5) and is matched with a corresponding nut (6), and a nut part of the bolt (2) is tightly attached to the inner gasket (3).
2. The tube seal plug of claim 1, wherein: and the matching part of the nut part of the bolt (2) and the inner gasket (3) is welded and sealed.
3. The tube seal plug of claim 2, wherein: the end part of the screw rod part is provided with a square hole arranged along the axial direction, and a square core capable of freely sliding in the axial direction is matched in the square hole.
4. The tube seal plug of claim 1, wherein: the shape of the sealing plug (4) is drum-shaped, the deformation space is spherical, the radius of the drum-shaped arc part is R2, and the radius of the spherical arc part is R1, wherein R1 is less than R2.
5. The tube seal plug of claim 4, wherein: the thickness of the middle part of the sealing plug (4) is t1, the thickness of the upper end and the thickness of the lower end are both t2, and t1 is less than t 2.
6. The tube seal plug of claim 5, wherein: the diameter of the middle part of the sealing plug (4) is phi b, the diameters of the upper part and the lower part are phi a, and phi a is less than phi b.
7. The tube seal plug of claim 1, wherein: and a nut gasket is arranged at the matching part of the nut (6) and the outer gasket (5).
8. The tube seal plug of claim 1, wherein: the sealing plug (4) is made of rubber or silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022582785.1U CN213576194U (en) | 2020-11-10 | 2020-11-10 | Pipeline sealing plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022582785.1U CN213576194U (en) | 2020-11-10 | 2020-11-10 | Pipeline sealing plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213576194U true CN213576194U (en) | 2021-06-29 |
Family
ID=76535675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022582785.1U Expired - Fee Related CN213576194U (en) | 2020-11-10 | 2020-11-10 | Pipeline sealing plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213576194U (en) |
-
2020
- 2020-11-10 CN CN202022582785.1U patent/CN213576194U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210629 |