CN213512543U - Fastening sealing structure for airtight valve - Google Patents
Fastening sealing structure for airtight valve Download PDFInfo
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- CN213512543U CN213512543U CN202021862145.XU CN202021862145U CN213512543U CN 213512543 U CN213512543 U CN 213512543U CN 202021862145 U CN202021862145 U CN 202021862145U CN 213512543 U CN213512543 U CN 213512543U
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Abstract
The utility model discloses a fastening seal structure for airtight valve, including airtight valve and pipeline, airtight valve both ends are equipped with first flange and second flange, first flange is equipped with recess one, second flange is equipped with recess two, first flange is equipped with screw one with second flange, the pipeline mouth of pipe is equipped with first flange two and second flange one, first flange is equipped with screw three with second flange one. The utility model discloses in, body and the pipeline inner wall interference fit that the airtight valve both ends extend, the first flange of airtight valve matches with the first flange two of pipeline, and the second flange of airtight valve matches with the second flange of pipeline, and recess one and recess two and sealing strip one and two blocks of sealing strip close through screw and nut through screw one and screw three soon, close the fastening with the screw hole of bolt through the screw hole of upper plate and the unthreaded hole of hypoplastron soon, can realize that the fastening of airtight valve and pipeline is sealed.
Description
Technical Field
The utility model relates to a closed valve technical field especially relates to a fastening seal structure for closed valve.
Background
The airtight valve is also called as an airtight valve, is auxiliary equipment which can divide a ventilation system into a plurality of areas, has good air tightness and can meet the zero leakage requirement on special occasions. The air flow blocking device is common equipment in a biological safety laboratory and mainly has the functions of blocking the air flow of a ventilation pipeline, isolating a filter and a polluted part and protecting the safety of personnel and the environment.
The traditional sealed valve is installed through the traditional flange and is connected with a pipeline, the sealed valve is usually connected and fixed at the joint through bolts and nuts, and therefore gaps are generated at the joint to cause unstable connection and leakage of gas in a pipe body, and therefore the fastening and sealing structure for the sealed valve is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem of gas leakage caused by a gap connected with a sealed valve, a fastening sealing structure for the sealed valve is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a fastening seal structure for airtight valve, includes airtight valve and pipeline, airtight valve both ends are equipped with first flange and second flange of half down, first flange is equipped with recess one, second flange of half is equipped with recess two, first flange of first and second flange of half are equipped with screw one, the pipeline mouth of pipe is equipped with first flange of half two and second flange of half one, first flange of half two and second flange of half are equipped with screw three, first flange of half two sides is equipped with sealing strip one, second flange of half side is equipped with sealing strip two, the welding of first flange of half bottom both ends has the upper plate, first flange of half top both sides welding hypoplastron down, screw two has been seted up to the upper plate, screw four has been seted up to the hypoplastron, the airtight valve both ends are equipped with the body.
As a further description of the above technical solution:
the upper half flange I of the closed valve is matched with the upper half flange II of the pipeline, and the lower half flange II of the closed valve is matched with the lower half flange I of the pipeline.
As a further description of the above technical solution:
the pipe body is attached to the inner wall of the pipeline.
As a further description of the above technical solution:
the first groove and the second groove are matched with the first sealing strip and the second sealing strip.
As a further description of the above technical solution:
the first screw holes on the first upper half flange and the second lower half flange are unthreaded holes, and the third screw holes on the second upper half flange and the first lower half flange are threaded holes.
As a further description of the above technical solution:
the second screw hole is provided with a threaded hole, and a fourth screw hole is provided with a unthreaded hole.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses in, body and the pipeline inner wall interference fit that the airtight valve both ends extend, the first flange of airtight valve matches with the first flange two of pipeline, and the second flange of airtight valve matches with the second flange of pipeline, and recess one and recess two and sealing strip one and two blocks of sealing strip close through screw and nut through screw one and screw three soon, close the fastening with the screw hole of bolt through the screw hole of upper plate and the unthreaded hole of hypoplastron soon, can realize that the fastening of airtight valve and pipeline is sealed.
Drawings
Fig. 1 is a schematic front view of a connection structure of a sealing valve according to an embodiment of the present invention;
fig. 2 is a schematic side view of a sealing valve according to an embodiment of the present invention;
fig. 3 shows a schematic structural diagram of a pipe flange provided according to an embodiment of the present invention.
Illustration of the drawings:
1. a sealing valve; 2. the upper half flange I; 3. a first lower half flange; 4. an upper half flange II; 5. a pipe body; 6. a second lower half flange; 7. a lower plate; 8. an upper plate; 9. a first sealing strip; 10. a first groove; 11. a second sealing strip; 12. A first screw hole; 13. a second screw hole; 14. a second groove; 15. a third screw hole; 16. a screw hole IV; 17. a pipeline.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a fastening and sealing structure for a sealed valve comprises a sealed valve 1 and a pipeline 17, wherein an upper half flange I2 and a lower half flange II 6 are arranged at two ends of the sealed valve 1, the upper half flange I2 is provided with a groove I10, the lower half flange II 6 is provided with a groove II 14, the upper half flange I2 and the lower half flange II 6 are provided with screw holes I12, a pipe orifice of the pipeline 17 is provided with an upper half flange II 4 and a lower half flange I3, the upper half flange II 4 and the lower half flange I3 are provided with screw holes III 15, the side surface of the upper half flange II 4 is provided with a sealing strip I9, the side surface of the lower half flange I3 is provided with a sealing strip II 11, the two ends of the bottom of the upper half flange I2 are welded with an upper plate 8, the two sides of the top of the lower half flange I3 are welded with a lower plate 7, the upper plate 8 is provided with screw holes II.
Specifically, as shown in fig. 1, 2 and 3, an upper half flange 2 of the sealed valve 1 is matched with an upper half flange two 4 of the pipeline 17, a lower half flange two 6 of the sealed valve 1 is matched with a lower half flange one 3 of the pipeline 17, screw holes 12 on the upper half flange one 2 and the lower half flange two 6 are unthreaded holes, and screw holes 15 on the upper half flange two 4 and the lower half flange one 3 are threaded holes, so that the fastening structure is strengthened, and the joint is more stable.
Specifically, as shown in fig. 1, the pipe body 5 is in interference fit with the inner wall of the pipeline 17, so that the gap at the joint is reduced, and gas cannot pass through the joint.
Specifically, as shown in fig. 1, the first groove 10 and the second groove 14 are matched with the first sealing strip 9 and the second sealing strip 11, so that the sealing effect is enhanced.
Specifically, as shown in fig. 2 and 3, the second screw hole 13 is provided with a threaded hole, and the fourth screw hole 16 is provided with a unthreaded hole, so that the installation and the disassembly are convenient, and the screwing and fastening of the bolt are strengthened.
The working principle is as follows: during the use, the staff can install the matching piece earlier, body 5 and the interference of pipeline 17 inner wall are laminated, first 2 of first half flange of airtight valve 1 matches with second 4 of first half flange of pipeline 17, second 6 of second half flange of airtight valve 1 matches with first 3 of second half flange of pipeline 17, recess one 10 and recess two 14 match with first 9 of sealing strip and second 11 of sealing strip, twist the bolt through screw hole one end and revolve wrong, then lock at the bolt that revolves of unthreaded hole one end pair through the nut, make the structure fastening stable, can realize airtight valve 1 and pipeline 17's fastening sealed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A fastening and sealing structure for a sealed valve comprises a sealed valve (1) and a pipeline (17), and is characterized in that the two ends of the sealed valve (1) are provided with a first half flange (2) and a second half flange (6), the first half flange (2) is provided with a first groove (10), the second half flange (6) is provided with a second groove (14), the first half flange (2) and the second half flange (6) are provided with a first screw hole (12), the pipe orifice of the pipeline (17) is provided with a second first half flange (4) and a first second half flange (3), the second first half flange (4) and the first second half flange (3) are provided with a third screw hole (15), the side surface of the first half flange (4) is provided with a first sealing strip (9), the side surface of the first half flange (3) is provided with a second sealing strip (11), the two ends of the first half flange (2) are welded with an upper plate (8), lower plate (7) is welded on two sides of the top of the first lower half flange (3), screw holes II (13) are formed in the upper plate (8), screw holes IV (16) are formed in the lower plate (7), and pipe bodies (5) are arranged at two ends of the sealed valve (1).
2. A fastening and sealing structure for a closing valve according to claim 1, characterized in that the first half flange (2) of the closing valve (1) is matched with the second half flange (4) of the pipeline (17), and the second half flange (6) of the closing valve (1) is matched with the first half flange (3) of the pipeline (17).
3. A tight sealing structure for a containment valve according to claim 1, characterized in that said tubular body (5) is conformed to the inner wall of the duct (17).
4. A fastening and sealing structure for a containment valve according to claim 1, wherein the first groove (10) and the second groove (14) match the first sealing strip (9) and the second sealing strip (11).
5. A fastening and sealing structure for a closing valve according to claim 1, wherein the first screw holes (12) on the first upper half flange (2) and the second lower half flange (6) are unthreaded holes, and the third screw holes (15) on the second upper half flange (4) and the first lower half flange (3) are threaded holes.
6. A fastening and sealing structure for a sealing valve according to claim 1, wherein said second screw hole (13) is provided as a threaded hole and said fourth screw hole (16) is provided as a unthreaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021862145.XU CN213512543U (en) | 2020-08-31 | 2020-08-31 | Fastening sealing structure for airtight valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021862145.XU CN213512543U (en) | 2020-08-31 | 2020-08-31 | Fastening sealing structure for airtight valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213512543U true CN213512543U (en) | 2021-06-22 |
Family
ID=76443442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021862145.XU Active CN213512543U (en) | 2020-08-31 | 2020-08-31 | Fastening sealing structure for airtight valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213512543U (en) |
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2020
- 2020-08-31 CN CN202021862145.XU patent/CN213512543U/en active Active
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