CN220060509U - Novel pump body end cover sealing element - Google Patents
Novel pump body end cover sealing element Download PDFInfo
- Publication number
- CN220060509U CN220060509U CN202321720209.6U CN202321720209U CN220060509U CN 220060509 U CN220060509 U CN 220060509U CN 202321720209 U CN202321720209 U CN 202321720209U CN 220060509 U CN220060509 U CN 220060509U
- Authority
- CN
- China
- Prior art keywords
- flexible graphite
- graphite ring
- end cover
- stainless steel
- ring
- 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.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 39
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 64
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 26
- 239000010935 stainless steel Substances 0.000 claims abstract description 26
- 230000001788 irregular Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 239000010439 graphite Substances 0.000 abstract description 3
- 229910002804 graphite Inorganic materials 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000010425 asbestos Substances 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 229910052895 riebeckite Inorganic materials 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910000619 316 stainless steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a novel pump body end cover sealing element. At present, the mounting deviation is easy to cause in the sealing and mounting process of the front-mounted pump end cover of the steam pump, and the sealing effect of the front-mounted pump end cover of the steam pump cannot be ensured. The problem of steam leakage of a large end cover of a front pump of a steam pump often occurs in the running process. The utility model provides a novel pump body end cover sealing member, including stainless steel interior welt (1), upper flexible graphite ring (2) and lower floor's flexible graphite ring (3), stainless steel interior welt is connected with upper flexible graphite ring and lower floor's flexible graphite ring respectively, equidistant a set of bolt hole (4) of having seted up on stainless steel interior welt, upper flexible graphite and the lower floor's flexible graphite ring, the bolt hole department upper and lower plane department in the left and right sides of stainless steel interior welt is provided with snap ring structure (5), two bolt holes of upper flexible graphite ring and lower floor flexible graphite ring symmetry insert in the snap ring structure. The utility model is applied to the field of steam pumps.
Description
Technical Field
The utility model relates to a novel pump body end cover sealing element.
Background
At present, a sealing piece of a front-mounted pump end cover of the steam pump adopts a high-pressure rubber asbestos plate, the temperature resistance and the pressure resistance are low, and the quality of the high-pressure asbestos plate in the market is uneven; the sealing element needs to be manually machined on site, the machining precision cannot be ensured, and defects such as bending, scratch and the like often occur in the machining process; the gasket has larger compression amount, is easy to cause installation deviation in the installation process, and cannot ensure the sealing effect of the end cover of the front pump of the steam pump. The problem of steam leakage of a large end cover of a front pump of a steam pump often occurs in the running process.
The sealing element used by the original equipment is a high-pressure rubber asbestos plate with low temperature resistance and pressure resistance, the sealing element needs to be processed on site, the processing precision and quality cannot be guaranteed, and meanwhile, the compression amount of the sealing element used by the original equipment is large, and data deviation is easy to cause in the installation process.
Disclosure of Invention
The utility model aims to provide a novel pump body end cover sealing member, which solves the problem of steam leakage of a large end cover of a pump front-mounted pump through material change and processing method change of the sealing member.
The above object is achieved by the following technical scheme:
the utility model provides a novel pump body end cover sealing member, includes stainless steel interior welt, upper flexible graphite ring and lower floor flexible graphite ring, stainless steel interior welt respectively with upper flexible graphite ring and lower floor flexible graphite ring connect, stainless steel interior welt, upper flexible graphite and lower floor flexible graphite ring on equidistant set up a set of bolt hole.
The novel pump body end cover sealing piece is characterized in that a clamping ring structure is arranged at the upper plane and the lower plane of bolt holes on the left side and the right side of the stainless steel inner lining plate, and two symmetrical bolt holes of an upper flexible graphite ring and a lower flexible graphite ring are inserted into the clamping ring structure.
The novel pump body end cover sealing piece is characterized in that a group of irregular groove structures are formed in the surfaces of the upper flexible graphite ring and the lower flexible graphite ring.
The novel pump body end cover sealing piece, the external diameter of stainless steel interior lining board, upper flexible graphite ring and lower flexible graphite ring be 810mm, the internal diameter is 690mm.
The novel pump body end cover sealing piece is characterized in that the aperture of bolt holes of the upper flexible graphite ring and the lower flexible graphite ring is phi 36-38 mm.
The utility model has the beneficial effects that:
1. the sealing piece is used for the sealing piece of the front-mounted pump end cover of the steam pump, can effectively solve the problem of leakage of the front-mounted pump end cover of the steam pump, and realizes good sealing of the end cover of the pump body without leakage.
2. The sealing element lining (made of 316 stainless steel) can improve the temperature resistance and pressure resistance of the sealing element, the sealing surface adopts a flexible graphite structure, and irregular grooves are processed on the surface, so that the sealing effect can be ensured.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a cross-sectional view A-A of fig. 2.
In the figure: 1. stainless steel lining board, 2, upper flexible graphite ring, 3, lower flexible graphite ring, 4, bolt holes, 5, snap ring structures, 6, groove structures, 7 and bolt assemblies.
Detailed Description
Examples
The utility model provides a novel pump body end cover sealing member, includes stainless steel interior welt 1, upper flexible graphite ring 2 and lower floor flexible graphite ring 3, stainless steel interior welt respectively with upper flexible graphite ring and lower floor flexible graphite ring connect, stainless steel interior welt, upper flexible graphite and lower floor flexible graphite ring on equidistant a set of bolt hole 4 of having seted up. The planes of the upper flexible graphite ring and the lower flexible graphite ring are stuck and fixedly connected into an integrated structure through HY-106AB high-temperature metal glue. The diameters of the upper flexible graphite ring and the lower flexible graphite ring are the same as those of the stainless steel lining plate. The novel pump body end cover sealing piece, the bolt hole department upper and lower plane department in the left and right sides of stainless steel interior welt be provided with snap ring structure 5, two bolt holes of upper flexible graphite ring and the symmetry of lower flexible graphite ring insert in the snap ring structure. The clamping ring structure is an annular bulge structure, and the clamping ring structure and the stainless steel lining plate are of an integrated structure; the flexible graphite ring and the stainless steel lining plate can be rapidly limited through the snap ring structure, and the flexible graphite ring is convenient to install between the stainless steel lining plate and the flexible graphite ring.
Examples
The novel pump body end cover sealing piece is characterized in that a group of irregular groove structures are formed in the surfaces of the upper flexible graphite ring and the lower flexible graphite ring. The outer diameter of the stainless steel lining plate, the outer diameter of the upper flexible graphite ring and the outer diameter of the lower flexible graphite ring are 810mm, and the inner diameter of the stainless steel lining plate, the upper flexible graphite ring and the lower flexible graphite ring are 690mm. The aperture of the bolt holes of the upper flexible graphite ring and the lower flexible graphite ring is phi 36-38 mm.
The sealing element is composed of a stainless steel lining plate and a flexible graphite ring with an irregular groove structure on the surface, so that the temperature resistance and pressure resistance of the sealing element can be improved, and the sealing effect is ensured. The sealing piece is made of a metal lining and a flexible graphite ring, and compared with a high-pressure rubber asbestos plate, the compression deformation amount of the sealing piece is small, and the sealing piece is convenient to adjust. Meanwhile, the sealing element can be prefabricated according to the size, and the on-site machining is not needed, so that the machining precision is ensured.
Claims (5)
1. The novel pump body end cover sealing member is characterized by comprising a stainless steel lining plate, an upper flexible graphite ring and a lower flexible graphite ring, wherein the stainless steel lining plate is respectively connected with the upper flexible graphite ring and the lower flexible graphite ring, and a group of bolt holes are formed in the stainless steel lining plate, the upper flexible graphite ring and the lower flexible graphite ring at equal intervals.
2. The novel pump body end cover sealing member according to claim 1, wherein the upper and lower planes of the bolt holes on the left and right sides of the stainless steel inner lining plate are provided with snap ring structures, and two symmetrical bolt holes of the upper flexible graphite ring and the lower flexible graphite ring are inserted into the snap ring structures.
3. The novel pump body end cap seal of claim 2, wherein the surfaces of said upper flexible graphite ring and said lower flexible graphite ring are machined with a set of irregular groove structures.
4. The novel pump body end cap seal of claim 3, wherein the stainless steel inner liner, the upper flexible graphite ring and the lower flexible graphite ring have an outer diameter of 810mm and an inner diameter of 690mm.
5. The novel pump body end cap seal of claim 4, wherein the bolt holes of the upper flexible graphite ring and the lower flexible graphite ring have a diameter of from phi 36 mm to 38mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321720209.6U CN220060509U (en) | 2023-07-03 | 2023-07-03 | Novel pump body end cover sealing element |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321720209.6U CN220060509U (en) | 2023-07-03 | 2023-07-03 | Novel pump body end cover sealing element |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220060509U true CN220060509U (en) | 2023-11-21 |
Family
ID=88753876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321720209.6U Active CN220060509U (en) | 2023-07-03 | 2023-07-03 | Novel pump body end cover sealing element |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220060509U (en) |
-
2023
- 2023-07-03 CN CN202321720209.6U patent/CN220060509U/en active Active
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