CN211059348U - Explosion-proof water testing expansion plug - Google Patents
Explosion-proof water testing expansion plug Download PDFInfo
- Publication number
- CN211059348U CN211059348U CN201921692863.4U CN201921692863U CN211059348U CN 211059348 U CN211059348 U CN 211059348U CN 201921692863 U CN201921692863 U CN 201921692863U CN 211059348 U CN211059348 U CN 211059348U
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- China
- Prior art keywords
- bolt body
- explosion
- expansion
- rubber plug
- plug
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- 238000012360 testing method Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 241000446313 Lamella Species 0.000 abstract 1
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to an explosion-proof water testing expansion plug, which comprises an inner taper top tightening screw tap (1), a clamping washer (3), an expansion rubber plug (4), a bolt body (5), a top key (6) and a nut (7); the front part of the bolt body (5) is provided with a positioning table, and a plurality of top keys (6) are arranged on the bolt body at the front part of the positioning table along the circumference; the tightening screw tap (1) is arranged in a threaded hole at the rear part of the bolt body (5), and the bolt body (5) is sequentially sleeved with an expansion rubber plug (4), a clamping washer (3) and a nut (7); the positioning table on the bolt body (5) is jointed with the expansion rubber plug (4). The utility model discloses an adopt the hollow tapering step bolt body of interior external screw thread and the tight screw tap in interior taper top and the key structure of many lamella tapering top, simple to use is swift, is convenient for maintain and change the accessory, and the leakproofness is good, and locking nature is strong, has explosion-proof function.
Description
Technical Field
The utility model belongs to the sealed field of pressure testing component, concretely relates to explosion-proof water testing stopper that rises.
Background
The existing expansion plug generally utilizes a rubber plug compression expansion principle to seal a pressure test element flange and a pipeline, an inner taper jacking screw tap is adopted to rotate to jack a top key out of a bolt body, jacking quantity is controlled through a top key taper angle, and the top key and an inner hole are expanded to play a sealing role after certain taper is reached.
SUMMERY OF THE UTILITY MODEL
The utility model provides an explosion-proof water testing expansion plug solves the problem that the plug flies out at oil tank pressure testing in-process.
In order to solve the technical problem, the utility model provides an explosion-proof water test expansion plug, its characterized in that: the device comprises an inner taper tightening screw tap 1, a clamping washer 3, an expansion rubber plug 4, a bolt body 5, a top key 6 and a nut 7; the front part of the bolt body 5 is provided with a positioning table, and a plurality of top keys 6 are arranged on the bolt body at the front part of the positioning table along the circumference; the jacking screw tap 1 is arranged in a threaded hole at the rear part of the bolt body 5, and the bolt body 5 is sequentially sleeved with an expansion rubber plug 4, a clamping washer 3 and a nut 7; the positioning table on the bolt body 5 is attached to the expansion rubber plug 4.
Has the advantages that: the utility model discloses an adopt the hollow tapering step bolt body of interior external screw thread and interior taper top tight screw tap and the key structure of orange-peel taper top, simple to use is swift, is convenient for maintain and change the accessory, and the leakproofness is good, and locking nature is strong, and the inflation plug has explosion-proof function.
Drawings
FIG. 1 is an exploded view of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, the following description will be made in further detail with respect to the embodiments of the present invention.
The utility model provides an explosion-proof water testing expansion plug, which comprises an inner taper top tightening screw tap 1, a clamping washer 3, an expansion rubber plug 4, a bolt body 5, a top key 6 and a nut 7; the rear part of the bolt body 5 is of a cylindrical structure and is provided with internal and external threads, the front part of the bolt body is provided with a positioning table, a plurality of inner holes are formed in the bolt body in the front part of the positioning table along the circumference and used for installing a top key 6, and the bolt body 5 in the front part of the top key is of a frustum structure; the front end of the tightly-jacking screw tap 1 is of a cone frustum structure and is used for jacking the jacking key 6; the expansion rubber plug 4 is a frustum mechanism; the jacking screw tap 1 is screwed into a threaded hole of the bolt body 5, the expansion rubber plug 4, the clamping washer 3 and the nut 7 are sequentially sleeved on the bolt body 5 from the rear part, the positioning table on the bolt body 5 is matched with the expansion rubber plug 4, the clamping washer 3 is pressed on the rear end face of the expansion rubber plug, and the nut 7 can be used after being screwed down.
During pressure testing, the explosion-proof water testing expansion plug is pressed into the oil water tank flange, the outer nut is screwed down to expand the rubber plug to seal the pressure testing piece, and the hexagonal wrench is used for screwing down the jacking screw tap to jack the multi-petal jacking key out to be clamped on the inner wall of the part flange.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (5)
1. The utility model provides an explosion-proof water testing rises and fills in which characterized in that: the device comprises an inner taper tightening screw tap (1), a clamping washer (3), an expansion rubber plug (4), a bolt body (5), a top key (6) and a nut (7); the front part of the bolt body (5) is provided with a positioning table, and a plurality of top keys (6) are arranged on the bolt body at the front part of the positioning table along the circumference; the tightening screw tap (1) is arranged in a threaded hole at the rear part of the bolt body (5), and the bolt body (5) is sequentially sleeved with an expansion rubber plug (4), a clamping washer (3) and a nut (7); the positioning table on the bolt body (5) is jointed with the expansion rubber plug (4).
2. The explosion-proof water test expansion plug as claimed in claim 1, characterized in that: the rear part of the bolt body is of a cylindrical structure and is provided with internal and external threads.
3. The explosion-proof water test expansion plug as claimed in claim 1, characterized in that: the bolt body in the front of the top key is of a frustum structure.
4. An explosion-proof water test expansion plug according to claim 3, characterized in that: the front end of the jacking screw tap is of a cone frustum structure and is used for jacking the jacking key.
5. An explosion-proof water test expansion plug according to any one of claims 1 to 4, characterized in that: the expansion rubber plug is a frustum mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921692863.4U CN211059348U (en) | 2019-10-11 | 2019-10-11 | Explosion-proof water testing expansion plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921692863.4U CN211059348U (en) | 2019-10-11 | 2019-10-11 | Explosion-proof water testing expansion plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211059348U true CN211059348U (en) | 2020-07-21 |
Family
ID=71595111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921692863.4U Active CN211059348U (en) | 2019-10-11 | 2019-10-11 | Explosion-proof water testing expansion plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211059348U (en) |
-
2019
- 2019-10-11 CN CN201921692863.4U patent/CN211059348U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |