CN202884361U - Pipeline plugging device - Google Patents
Pipeline plugging device Download PDFInfo
- Publication number
- CN202884361U CN202884361U CN 201220557816 CN201220557816U CN202884361U CN 202884361 U CN202884361 U CN 202884361U CN 201220557816 CN201220557816 CN 201220557816 CN 201220557816 U CN201220557816 U CN 201220557816U CN 202884361 U CN202884361 U CN 202884361U
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- Prior art keywords
- tension
- circular
- piece
- tension piece
- primary seal
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- Expired - Lifetime
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Abstract
The utility model discloses a pipeline plugging device which comprises a rubber seal ring, a round main seal taut block, a round vice seal taut block and a main taut screw rod.The round main seal taut block is arranged below the rubber seal ring. The round vice seal taut block is arranged above the rubber seal ring. The bottom of the main taut screw rod is sealed and fixed with the round main seal taut block. The upper end portion of the main taut screw rod is connected with the round vice seal taut block. A ring of inwards-inclined first slant angles are arranged on the outer side of the top of the round main seal taut block. A ring of inwards-inclined second slant angles are arranged on the outer side of the bottom of the round vice seal taut block. A ring of third slant angles which are symmetrical with the first slant angles are arranged on the inner side of the bottom of the rubber seal ring. A ring of fourth slant angles which are symmetrical with the second slant angles are arranged on the inner side of the top of the rubber seal ring. The pipeline plugging device has the advantages of being simple in structure, convenient to operate, short in working time spent in installing the plugging device and superior in anti-explosion performance. A small-caliber object is put into a large-caliber object for plugging and pipelines of all pipeline directions are plugged.
Description
Technical field
The utility model relates to the plugging device technical field, particularly relates to a kind of pipeline plug.
Background technique
At present, when pipeline tapping is carried out shutoff, usually adopt the shutoff air bag to carry out shutoff, but the shutoff air bag can be punctured owing to pipeline is coarse, cause the shutoff air bag occur to lose heart, and the material of shutoff air bag can split because meeting oily distortion, safety in production is brought very large hidden danger.
Other shutoff modes can not venting pipeline internal pressure and material behind the blocking pipe, and not explosion-proof.
The model utility content
For solving the problems of the technologies described above, the utility model provides a kind of simple in structure, pipeline plug that plugging effect is good.
Pipeline plug of the present utility model, comprise rubber seal, circular primary seal tension piece, circular secondary sealing tension piece and main tension screw mandrel, described circular primary seal tension piece is located at the below of described rubber seal, described circular secondary sealing tension piece is located at the top of rubber seal, the bottom of described main tension screw mandrel and the sealing of circular primary seal tension piece are fixing, the upper end portion of main tension screw mandrel is connected with circular secondary sealing tension piece, the outside at circular primary seal tension piece top is provided with intilted the first oblique angle of a circle, the outside of circular secondary sealing tension piece bottom is provided with a circle to intilted the second oblique angle, the inboard of the bottom of rubber seal is provided with a circle three oblique angle symmetrical with the first oblique angle, and the inboard at the top of rubber seal is provided with a circle four oblique angle symmetrical with the second oblique angle.
Further, also comprise the breathing pipe of being located between circular primary seal tension piece and the circular secondary sealing tension piece, an end of described breathing pipe extends the outside at circular secondary sealing tension piece top, and the other end of breathing pipe extends the bottom of circular primary seal tension piece.
Further, extend the described circular secondary breathing pipe that seals tension piece top outer and be provided with control valve.
Further, described circular primary seal tension piece is formed by two identical semicircle primary seal piece gummeds of size, and described circular secondary sealing tension piece is formed by the secondary sealing block gummed of two identical semicircles of size.
Further, the main tension screw mandrel at described circular secondary sealing tension piece top is provided with the first gland nut, and the main tension screw mandrel at described gland nut top is provided with the on-slip mobilizer.
Further, described on-slip mobilizer comprises on-slip leading screw, on-slip activity leading screw sleeve pipe and copper nut, and described on-slip activity leading screw casing pipe sleeve is on the on-slip leading screw, and described copper nut is located at an end of on-slip leading screw.
Further, the main tension screw mandrel at described on-slip mobilizer top is provided with the Anti-skid lock jack panel.
Further, the main tension screw mandrel of described circular primary seal tension piece bottom is provided with the second gland nut, and the top of circular primary seal tension piece is provided with fixedly back-up ring.
Further, described circular primary seal tension piece is the circular primary seal tension of aluminum alloy piece, and described circular secondary sealing tension piece is the circular secondary sealing tension piece of aluminum alloy, and described main tension screw mandrel is primary stainless steel tension screw mandrel.
Compared with prior art the beneficial effects of the utility model are:
Pipeline plug of the present utility model, circular primary seal tension piece and circular secondary sealing tension piece are regulated by main tension screw mandrel and are closing the distance, rubber seal is under the pressure of circular primary seal tension piece and circular secondary sealing tension piece, the first oblique angle on the 3rd oblique angle on the rubber seal and the 4th oblique angle and the circular primary seal tension piece and the second oblique angle on the circular secondary sealing tension piece cooperate and expand, rubber seal and inner-walls of duct close contact keep in touch face sealing and produce simultaneously certain frictional force and cause plugging device to be fixed in the pipeline, and sealing effect is very good;
By straining in circular primary seal between piece and the circular secondary sealing tension piece breathing pipe is set, and in the port of breathing pipe control valve is set, the foreign material in the pipeline and too high pressure can be released;
By circular primary seal tension piece is arranged to two identical semicircle primary seal pieces of size, circular secondary sealing tension piece is arranged to two identical secondary sealing blocks of semicircle of size, can utilize the pipeline small side hole, put into the rear blocking pipe material gas of the inner assembling of large pipeline;
By the on-slip mobilizer is set, can further improve plugging device entire compression ability, and the increase of pipeline accidental pressure prevents plugging device slide ability;
Circular primary seal tension piece, circular secondary sealing tension piece and main tension screw mandrel adopt nonferrous materials to make, and can not produce spark during the contact tube wall, and certain explosion-proof ability is arranged.
Description of drawings
Fig. 1 is sectional drawing of the present utility model;
Fig. 2 is the sectional view of rubber seal in the utility model;
Fig. 3 is the schematic diagram of the circular primary seal tension of aluminum alloy piece in the utility model;
Fig. 4 is the schematic diagram of the circular secondary sealing tension piece of aluminum alloy in the utility model.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
Such as Fig. 1-shown in Figure 4, a kind of pipeline plug comprises the circular secondary sealing tension piece 3 of the circular primary seal tension of rubber seal 1, aluminum alloy piece 2, aluminum alloy that oil resistant rubber does, primary stainless steel tension screw mandrel 4, breathing pipe 5 and the on-slip mobilizer 6 that stainless steel is made;
The circular primary seal tension of aluminum alloy piece 2 is formed by two identical semicircle primary seal piece 21 gummeds of size, the outside at the circular primary seal tension of aluminum alloy piece 2 tops is provided with intilted the first oblique angle 22 of a circle, the circular primary seal tension of aluminum alloy piece 2 is sealingly fastened in the bottom of main tension screw mandrel 4, the main tension screw mandrel 4 of the circular primary seal tension of aluminum alloy piece 3 bottoms is provided with for the second gland nut 7 that compresses the circular primary seal tension of aluminum alloy piece 2, and the top of the circular primary seal tension of aluminum alloy piece 2 is provided with the fixedly back-up ring 8 of straining piece 2 for the fixing circular primary seal of aluminum alloy;
The circular secondary sealing tension piece 3 of aluminum alloy is formed by secondary sealing block 31 gummeds of two identical semicircles of size, the outside of the circular secondary sealing tension piece of aluminum alloy 3 bottoms is provided with a circle to intilted the second oblique angle 32, the circular secondary sealing tension piece 3 of aluminum alloy is screwed on the tip portion of main tension screw mandrel 4, and the main tension screw mandrel 4 at the circular secondary sealing tension piece of aluminum alloy 3 tops is provided with for the first gland nut 9 that compresses the circular secondary sealing tension piece 3 of aluminum alloy;
Rubber seal 1 is located between the circular primary seal tension piece 2 of aluminum alloy and the circular secondary sealing tension piece of aluminum alloy 3, the inboard of the bottom of rubber seal 1 is provided with a circle three oblique angle 11 symmetrical with the first oblique angle 22, and the inboard at the top of rubber seal 1 is provided with a circle four oblique angle 12 symmetrical with the second oblique angle 32;
Breathing pipe 5 is located between the circular primary seal tension piece 2 of aluminum alloy and the circular secondary sealing tension piece 3 of aluminum alloy, one end of breathing pipe 5 extends the outside at the circular secondary sealing tension piece of aluminum alloy 3 tops, the other end of breathing pipe 5 extends the bottom of the circular primary seal tension of aluminum alloy piece 2, and the breathing pipe 5 that extends circular secondary sealing tension piece 3 top outer of aluminum alloy is provided with control valve 51; After the seal for pipe joints, depot siding is interior because solar radiation and other temperature factors often, cause shining of the interior remaining wall hanging medium material of pipeline to cause the pipeline internal pressure to increase, breathing pipe 5 can release pressure by control valve 51 makes pipeline keep consistent with barometric pressure, after the seal for pipe joints after in the depot siding because the valve of shutoff leaks to make occurs material in the pipe of block section and also can pressure release take out;
On-slip mobilizer 6 comprises on-slip activity leading screw sleeve pipe 62 and the copper nut 63 that on-slip leading screw 61, aluminium are made, on-slip activity leading screw sleeve pipe 62 is placed on the on-slip leading screw 61, copper nut 63 is located at an end of on-slip leading screw 61, on-slip mobilizer 6 is located on the main tension screw mandrel 4 at the first gland nut 9 tops, and the main tension screw mandrel 4 at on-slip mobilizer 6 tops is provided with Anti-skid lock jack panel 64; On-slip activity leading screw 61 utilizes copper nut 63 to regulate and on-slip activity leading screw sleeve pipe 62 and inner-walls of duct is propped up all around, further improve plugging device entire compression ability, and the increase of pipeline accidental pressure prevents plugging device slide ability.
Pipeline plug of the present utility model, the circular secondary sealing tension piece 3 of the circular primary seal tension piece 2 of aluminum alloy and aluminum alloy is regulated by main tension screw mandrel 4 and is closing the distance, rubber seal 1 is under the pressure of the circular primary seal tension piece 2 of aluminum alloy and the circular secondary sealing tension piece 3 of aluminum alloy, the first oblique angle 22 on the 3rd oblique angle 11 on the rubber seal 1 and the 4th oblique angle 12 and the circular primary seal tension piece 2 and the second oblique angle 32 on the circular secondary sealing tension piece 3 of aluminum alloy cooperate and expand, rubber seal 1 and inner-walls of duct close contact keep in touch the face sealing and produce simultaneously certain frictional force and cause plugging device to be fixed in the pipeline, sealing effect is very good, adopt nonferrous materials to make, can not produce spark during the contact tube wall, certain explosion-proof ability is arranged.
Pipeline plug of the present utility model exists applicable to diameter: in the pipeline of DN150-500.
The above only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (9)
1. pipeline plug, it is characterized in that: comprise rubber seal, circular primary seal tension piece, circular secondary sealing tension piece and main tension screw mandrel, described circular primary seal tension piece is located at the below of described rubber seal, described circular secondary sealing tension piece is located at the top of rubber seal, the bottom of described main tension screw mandrel and the sealing of circular primary seal tension piece are fixing, the upper end portion of main tension screw mandrel is connected with circular secondary sealing tension piece, the outside at circular primary seal tension piece top is provided with intilted the first oblique angle of a circle, the outside of circular secondary sealing tension piece bottom is provided with a circle to intilted the second oblique angle, the inboard of the bottom of rubber seal is provided with a circle three oblique angle symmetrical with the first oblique angle, and the inboard at the top of rubber seal is provided with a circle four oblique angle symmetrical with the second oblique angle.
2. pipeline plug as claimed in claim 1, it is characterized in that: also comprise the breathing pipe of being located between circular primary seal tension piece and the circular secondary sealing tension piece, one end of described breathing pipe extends the outside at circular secondary sealing tension piece top, and the other end of breathing pipe extends the bottom of circular primary seal tension piece.
3. pipeline plug as claimed in claim 2 is characterized in that: extend the described circular secondary breathing pipe that seals tension piece top outer and be provided with control valve.
4. pipeline plug as claimed in claim 2, it is characterized in that: described circular primary seal tension piece is formed by two identical semicircle primary seal piece gummeds of size, and described circular secondary sealing tension piece is formed by the secondary sealing block gummed of two identical semicircles of size.
5. pipeline plug as claimed in claim 4 is characterized in that: the main tension screw mandrel at described circular secondary sealing tension piece top is provided with the first gland nut, and the main tension screw mandrel at described gland nut top is provided with the on-slip mobilizer.
6. pipeline plug as claimed in claim 5, it is characterized in that: described on-slip mobilizer comprises on-slip leading screw, on-slip activity leading screw sleeve pipe and copper nut, described on-slip activity leading screw casing pipe sleeve is on the on-slip leading screw, and described copper nut is located at an end of on-slip leading screw.
7. pipeline plug as claimed in claim 6 is characterized in that: the main tension screw mandrel at described on-slip mobilizer top is provided with the Anti-skid lock jack panel.
8. pipeline plug as claimed in claim 7 is characterized in that: the main tension screw mandrel of described circular primary seal tension piece bottom is provided with the second gland nut, and the top of circular primary seal tension piece is provided with fixedly back-up ring.
9. pipeline plug as claimed in claim 8, it is characterized in that: described circular primary seal tension piece is the circular primary seal tension of aluminum alloy piece, described circular secondary sealing tension piece is the circular secondary sealing tension piece of aluminum alloy, and described main tension screw mandrel is primary stainless steel tension screw mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220557816 CN202884361U (en) | 2012-10-29 | 2012-10-29 | Pipeline plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220557816 CN202884361U (en) | 2012-10-29 | 2012-10-29 | Pipeline plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202884361U true CN202884361U (en) | 2013-04-17 |
Family
ID=48075790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220557816 Expired - Lifetime CN202884361U (en) | 2012-10-29 | 2012-10-29 | Pipeline plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202884361U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107178674A (en) * | 2017-07-03 | 2017-09-19 | 中化二建集团有限公司 | Pipeline combines plugging device and repair method |
| CN110778846A (en) * | 2019-10-31 | 2020-02-11 | 中船黄埔文冲船舶有限公司 | Novel plugging rubber plug |
-
2012
- 2012-10-29 CN CN 201220557816 patent/CN202884361U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107178674A (en) * | 2017-07-03 | 2017-09-19 | 中化二建集团有限公司 | Pipeline combines plugging device and repair method |
| CN107178674B (en) * | 2017-07-03 | 2019-07-30 | 中化二建集团有限公司 | Pipeline combines plugging device and repair method |
| CN110778846A (en) * | 2019-10-31 | 2020-02-11 | 中船黄埔文冲船舶有限公司 | Novel plugging rubber plug |
| CN110778846B (en) * | 2019-10-31 | 2021-08-20 | 中船黄埔文冲船舶有限公司 | Novel plugging rubber plug |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |
|
| CX01 | Expiry of patent term |