CN109667931B - Pressure vessel mouth piece with good sealing performance - Google Patents
Pressure vessel mouth piece with good sealing performance Download PDFInfo
- Publication number
- CN109667931B CN109667931B CN201811580718.7A CN201811580718A CN109667931B CN 109667931 B CN109667931 B CN 109667931B CN 201811580718 A CN201811580718 A CN 201811580718A CN 109667931 B CN109667931 B CN 109667931B
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- CN
- China
- Prior art keywords
- gasket
- upper cover
- cover plate
- bottom cover
- connecting rod
- 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 abstract description 16
- 230000000712 assembly Effects 0.000 claims abstract description 5
- 238000000429 assembly Methods 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 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
- 238000001746 injection moulding Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J12/00—Pressure vessels in general
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J13/00—Covers or similar closure members for pressure vessels in general
- F16J13/02—Detachable closure members; Means for tightening closures
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention is applicable to the technical field of pressure vessels, and provides a pressure vessel mouth piece with good sealing performance, which comprises a vessel body, an upper cover assembly and a plurality of fixing assemblies, wherein the vessel body comprises a shell, a bottom cover, a vacuum pump, an exhaust pipe, a first gasket and a second gasket; and each fixing component comprises a connecting rod, a base, a rotating shaft, a fastening bolt and a cushion sleeve. The invention has the characteristics of convenient assembly and disassembly, strong structural stability and good tightness.
Description
Technical Field
The invention belongs to the technical field of pressure vessels, and particularly relates to a pressure vessel mouth piece with good sealing performance.
Background
The pressure vessel is used for containing gas or liquid and can bear a certain pressure of closed equipment. Pressure vessels typically have a mouthpiece for the input and output of material that has sealing properties to prevent leakage of material.
However, the conventional pressure container mouth piece has certain defects when in use, has a simple sealing structure, only has a single-layer sealing effect, has insufficient sealing performance and has poor stability; in addition, the existing pressure vessel mouth piece is inconvenient to detach, so that the materials in the vessel are inconvenient to take out.
Disclosure of Invention
The invention provides a pressure container mouth piece with good sealing performance, and aims to solve the problem of insufficient sealing performance.
The invention is realized in such a way that the pressure vessel mouth piece with good tightness comprises a vessel body, an upper cover component and a plurality of fixing components;
the container body includes: the vacuum pump comprises a shell, a bottom cover, a vacuum pump, an exhaust pipe, a first gasket and a second gasket; the bottom cover is fixed at the upper end of the shell, and a through hole communicated with the inner space of the shell is formed in the middle of the bottom cover; the upper surface of the bottom cover is provided with the first gasket with an annular structure; the second gasket with an annular structure is arranged on the outer side of the first gasket; one end of the exhaust pipe is communicated with the area between the first gasket and the second gasket on the upper surface of the bottom cover, and the other end of the exhaust pipe is connected with the vacuum pump;
the upper cover assembly comprises an upper cover plate; the upper cover plate is oppositely arranged above the bottom cover; the upper cover plate is tightly attached to the first gasket and the second gasket;
the plurality of fixing components are uniformly distributed on the edge of the upper cover component, and each fixing component comprises: the device comprises a connecting rod, a base, a rotating shaft, a fastening bolt and a cushion sleeve; the base is fixed on the lower surface of the outer edge of the bottom cover; the lower end of the connecting rod is rotationally connected with the base, and the connecting rod is positioned at the outer side of the bottom cover; the upper end of the connecting rod is of an L-shaped structure and extends to the upper part of the upper cover plate; the fastening bolt is fixed on the part of the connecting rod above the upper cover plate; the base and the fastening bolt are respectively clamped below the bottom cover and above the upper cover plate.
The invention also provides preferable that the upper surface of the bottom cover is provided with a first bottom groove for accommodating the first gasket; a first top groove for accommodating the second gasket is formed in the lower surface of the upper cover plate; the first bottom groove and the first top groove are of arc-shaped groove structures and are oppositely arranged.
The invention also provides preferable that the upper surface of the bottom cover is provided with a second bottom groove for accommodating the second gasket; a second top groove for accommodating the second gasket is formed in the lower surface of the upper cover plate; the second bottom groove and the second top groove are of arc-shaped groove structures and are oppositely arranged.
The invention also provides a preferable structure, wherein a threaded hole is formed in the base; a fixing bolt is arranged in the threaded hole; the base is fixedly connected with the bottom cover through the fixing bolt.
The invention also provides preferable, the lower end of the connecting rod is fixed with a rotating shaft; the connecting rod is rotationally connected with the base through the rotating shaft.
The invention also provides a preferable mode, and the upper end of the fastening bolt is provided with a butterfly-shaped handle.
The invention also provides a preferable mode, wherein the lower end of the fastening bolt is sleeved with a cushion sleeve; the cushion cover is of a spherical structure.
The invention also provides that preferably the vacuum pump is fixed to the housing by welding.
The invention also provides preferable that the cross section of the first gasket and the second gasket is circular, and the diameter of the first gasket and the second gasket is 2mm.
Compared with the prior art, the invention has the beneficial effects that: according to the pressure container mouth piece with good sealing performance, the first gasket and the second gasket are arranged, so that a gap between the upper cover plate and the bottom cover can be subjected to double-layer sealing by the two gaskets, and the sealing effect is good. Through a suction tube communicated between two washers, and one end of the suction tube is connected with a vacuum pump, thereby utilizing the vacuum pump to vacuumize the gas between the first washer and the second washer so as to further improve the sealing performance. Through set up fixed subassembly at the outer edge of bottom and upper cover plate, utilize base and binding bolt at bottom and upper cover plate outer edge clamp bottom and upper cover plate to make upper cover plate and bottom hug closely first packing ring and second packing ring more, the leakproofness is better, wherein, the connecting rod rotates the connection base, thereby when opening the upper cover plate, only need loosen the binding bolt of connecting rod upper end, and rotate the upper cover plate outside through the connecting rod, thereby can directly upwards lift up the upper cover plate and take out, it is convenient to dismantle.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the upper cover plate in the present invention;
FIG. 3 is a schematic view of the structure of the container body and the fixing assembly of the present invention;
FIG. 4 is a schematic view of the structure of a first gasket and a second gasket according to the present invention;
fig. 5 is a schematic structural view of a fixing assembly in the present invention.
In the figure: 1-container body, 11-casing, 12-bottom, 13-vacuum pump, 14-exhaust tube, 15-first gasket, 16-second gasket, 17-first bottom groove, 18-second bottom groove, 2-upper cover assembly, 21-upper cover plate, 22-first top groove, 23-second top groove, 3-fixed assembly, 31-connecting rod, 32-base, 33-fixed bolt, 34-rotating shaft, 35-fastening bolt, 36-gasket sleeve, 37-threaded hole.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: a pressure vessel mouth piece with good tightness comprises a vessel body 1, an upper cover assembly 2 and a plurality of fixing assemblies 3;
the container body 1 includes: the vacuum pump comprises a shell 11, a bottom cover 12, a vacuum pump 13, an exhaust pipe 14, a first gasket 15 and a second gasket 16. The bottom cover 12 is fixed at the upper end of the shell 11, a through hole communicated with the inner space of the shell 11 is formed in the middle of the bottom cover 12, a first gasket 15 with an annular structure is arranged on the upper surface of the bottom cover 12, a second gasket 16 with an annular structure is arranged on the outer side of the first gasket 15, one end of an exhaust pipe 14 is communicated with the area between the first gasket 15 and the second gasket 16 on the upper surface of the bottom cover 12, and the other end of the exhaust pipe 14 is connected with a vacuum pump 13;
the upper cover assembly 2 includes an upper cover plate 21. The upper cover plate 21 is oppositely disposed above the bottom cover 12. And the upper cover plate 21 is closely attached to the first gasket 15 and the second gasket 16;
the plurality of fixing members 3 are uniformly distributed on the rim of the upper cover member 2, and each fixing member 3 includes: the connecting rod 31, the base 32, the rotating shaft 34, the fastening bolt 35 and the cushion sleeve 36. The base 32 is fixed to the lower surface of the outer edge of the bottom cover 12. The lower end of the connection rod 31 is rotatably connected to the base 32, and the connection rod 31 is located at the outer side of the bottom cover 12. The upper end of the connecting rod 31 is L-shaped and extends above the upper cover plate 21. The fastening bolt 35 is fixed to a portion of the connection rod 31 located above the upper cover plate 21. The base 32 and the fastening bolt 35 are clamped below the bottom cover 12 and above the upper cover plate 21, respectively.
In this embodiment, the container body 1 is used for accommodating materials, the materials are gas or liquid, the housing 11 is internally provided with an accommodating bin, not all of which are shown in the figure, the bottom cover 12 and the housing 11 are integrally formed, a through hole in the bottom cover 12 is communicated with the accommodating bin in the housing 11, the materials are input and output from the through hole, the first gasket 15 and the second gasket 16 are both formed by injection molding of rubber materials, the first gasket 15 surrounds the outside of the through hole on the bottom cover 12, the second gasket 16 surrounds the outside of the first gasket 15, and a gap is reserved between the first gasket 15 and the second gasket 16. The bottom cover 12 is internally embedded with an exhaust pipe 14, one end of the exhaust pipe 14 is communicated with a space between the first gasket 15 and the second gasket 16, the other end of the exhaust pipe is connected with a vacuum pump 13, the vacuum pump 13 can vacuumize gas between the first gasket 15 and the second gasket 16 through the exhaust pipe 14, so that the sealing performance of the first gasket 15 and the second gasket 16 is improved, gaps at the joint of the exhaust pipe 14 and the bottom cover 12 are filled with glue, the exhaust pipe 14 is fixed, an upper cover plate 21 is covered on the bottom cover 12, the upper cover plate 21 is tightly attached to the first gasket 15 and the second gasket 16, the number of the fixing assemblies 3 is 4, and the fixing assemblies are uniformly distributed on the outer edge of the upper cover assembly 2. The fixing assembly 3 is used for further reinforcing the connection tightness between the upper cover plate 21 and the bottom cover 12, the base 32 is fixed on the lower surface of the bottom cover 12, the upper end of the connecting rod 31 of the L-shaped structure extends to the upper side of the upper cover plate 21, the fastening bolt 35 on the connecting rod 31 is screwed when the upper cover plate 21 is fixed, the lower end of the fastening bolt 35 presses against the upper surface of the upper cover plate 21, so that the upper cover plate 21 and the bottom cover 12 are clamped through the fastening bolt 35 and the base 32, when the upper cover plate 21 needs to be opened, the fastening bolt 35 is unscrewed, the connecting rod 31 is rotated, the upper end of the connecting rod 31 is separated from the upper side of the upper cover plate 21, and the upper cover plate 21 is lifted to be higher than the height of the connecting rod 31 and is taken down.
Further, the upper surface of the bottom cover 12 is provided with a first bottom groove 17 for accommodating the first gasket 15, the lower surface of the upper cover plate 21 is provided with a first top groove 22 for accommodating the first gasket 15, and the first bottom groove 17 and the first top groove 22 are of arc-shaped groove structures and are oppositely arranged.
In this embodiment, the upper surface of the bottom cover 12 is provided with the first bottom groove 17, the lower surface of the upper cover plate 21 is provided with the first top groove 22, the first gasket 15 is fixed between the upper cover plate 21 and the bottom cover 12 through the first bottom groove 17 and the first top groove 22, and the first bottom groove 17 and the first top groove 22 are of an arc-shaped groove structure and are oppositely arranged, so that the stability is good and the sliding is not easy.
Further, the upper surface of the bottom cover 12 is provided with a second bottom groove 18 for accommodating the second gasket 16, the lower surface of the upper cover plate 21 is provided with a second top groove 23 for accommodating the second gasket 16, and the second bottom groove 18 and the second top groove 23 are arc-shaped groove structures and are oppositely arranged.
In this embodiment, the upper surface of the bottom cover 12 is provided with the second bottom groove 18, the lower surface of the upper cover plate 21 is provided with the second top groove 23, the second gasket 16 is fixed between the upper cover plate 21 and the bottom cover 12 through the second top groove 23 and the second bottom groove 18, and the second bottom groove 18 and the second top groove 23 are of arc-shaped groove structures and are oppositely arranged, so that the stability is good and the sliding is not easy.
Further, a threaded hole 37 is formed in the base 32, a fixing bolt 33 is installed in the threaded hole 37, and the base 32 is fixedly connected with the bottom cover 12 through the fixing bolt 33.
In this embodiment, the base 32 is detachably fixed on the bottom cover 12, a threaded hole 37 is formed in the base 32, a fixing bolt 33 is installed in the threaded hole 37, and a user can detach the base 32 by detaching the fixing bolt 33, so as to detach the whole fixing assembly 3.
Further, a rotating shaft 34 is fixed at the lower end of the connecting rod 31, and the connecting rod 31 is rotatably connected with the base 32 through the rotating shaft 34.
In this embodiment, a rotating shaft 34 is fixed at the lower end of the connecting rod 31, the connecting rod 31 and the rotating shaft 34 are integrally formed, and the connecting rod 34 rotating through the rotating shaft 34 has stronger structural stability and safer use.
Further, the upper end of the fastening bolt 35 is provided with a handle of butterfly structure.
In this embodiment, a butterfly-shaped handle is provided at the upper end of the fastening bolt 35, and an anti-slip pad is attached to the handle, so that a user can hold the handle by hand to operate the fastening bolt 35.
Further, a cushion sleeve 36 is sleeved at the lower end of the fastening bolt 35, and the cushion sleeve 36 has a spherical structure.
In the present embodiment, the fastening bolt 35 is made of metal, the cushion cover 36 is made of rubber, and the cushion cover 36 can prevent the fastening bolt 35 from damaging the surface of the upper cover 21.
Further, the vacuum pump 13 is fixed to the housing 11 by welding.
In the present embodiment, the vacuum pump 13 is fixed to the housing 11 by welding, and the vacuum pump 13 fixed to the housing 11 is more convenient for a user to operate.
Further, the first gasket 15 and the second gasket 16 are circular in cross section and each have a diameter of 2mm.
In the present embodiment, the 2mm diameter first gasket 15 and the second gasket 16 make the gap between the upper cover plate 21 and the lower cover plate 12 smaller and the stability better.
The working principle and the using flow of the invention are as follows: after the invention is installed, when the upper cover plate 21 is sealed, all the fastening bolts 35 are screwed, the lower ends of the fastening bolts 35 are propped against the upper surface of the upper cover plate 21, the upper cover plate 21 and the bottom cover 12 are clamped together with the base 32, and then the vacuum pump 13 and the exhaust pipe 14 are utilized to vacuumize the space between the first gasket 15 and the second gasket 16, so that the sealing is completed. When the upper cover 21 is opened, all the fastening bolts 35 are loosened, and the connecting rod 31 is rotated so that the fastening bolts 35 are separated from the upper side of the upper cover 21, and then the upper cover 21 is removed.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (5)
1. A pressure vessel mouthpiece with good tightness, characterized in that: comprises a container body (1), an upper cover component (2) and a plurality of fixing components (3); the container body (1) includes: the vacuum pump comprises a shell (11), a bottom cover (12), a vacuum pump (13), an exhaust pipe (14), a first gasket (15) and a second gasket (16); the bottom cover (12) is fixed at the upper end of the shell (11), and a through hole communicated with the inner space of the shell (11) is formed in the middle of the bottom cover (12); the upper surface of the bottom cover (12) is provided with the first gasket (15) with an annular structure; the second gasket (16) with an annular structure is arranged on the outer side of the first gasket (15); the area between the first gasket (15) and the second gasket (16) on the upper surface of the bottom cover (12) is communicated with one end of the exhaust pipe (14), and the other end of the exhaust pipe (14) is connected with one vacuum pump (13); the upper cover assembly (2) comprises an upper cover plate (21); the upper cover plate (21) is oppositely arranged above the bottom cover (12); and the upper cover plate (21) is tightly attached to the first gasket (15) and the second gasket (16); the plurality of fixing assemblies (3) are uniformly distributed on the edge of the upper cover assembly (2), and each fixing assembly (3) comprises: the device comprises a connecting rod (31), a base (32), a rotating shaft (34), a fastening bolt (35) and a cushion sleeve (36); the base (32) is fixed on the lower surface of the outer edge of the bottom cover (12); the lower end of the connecting rod (31) is rotationally connected with the base (32), and the connecting rod (31) is positioned at the outer side of the bottom cover (12); the upper end of the connecting rod (31) is of an L-shaped structure and extends to the upper part of the upper cover plate (21); the fastening bolt (35) is fixed on the part of the connecting rod (31) above the upper cover plate (21); the base (32) and the fastening bolt (35) are respectively clamped below the bottom cover (12) and above the upper cover plate (21); a first bottom groove (17) for accommodating the first gasket (15) is formed in the upper surface of the bottom cover (12); a first top groove (22) for accommodating the first gasket (15) is formed in the lower surface of the upper cover plate (21); the first bottom groove (17) and the first top groove (22) are of arc-shaped groove structures and are oppositely arranged; a second bottom groove (18) for accommodating the second gasket (16) is formed in the upper surface of the bottom cover (12); a second top groove (23) for accommodating the second gasket (16) is formed in the lower surface of the upper cover plate (21); the second bottom groove (18) and the second top groove (23) are of arc-shaped groove structures and are oppositely arranged; a rotating shaft (34) is fixed at the lower end of the connecting rod (31); the connecting rod (31) is rotationally connected with the base (32) through the rotating shaft (34); the lower end of the fastening bolt (35) is sleeved with a cushion sleeve (36); the cushion cover (36) is of a spherical structure.
2. A pressure vessel mouthpiece with good tightness as defined in claim 1, wherein: a threaded hole (37) is formed in the base (32); a fixed bolt (33) is arranged in the threaded hole (37); the base (32) is fixedly connected with the bottom cover (12) through the fixing bolt (33).
3. A pressure vessel mouthpiece with good tightness as defined in claim 1, wherein: the upper end of the fastening bolt (35) is provided with a butterfly-shaped handle.
4. A pressure vessel mouthpiece with good tightness as defined in claim 1, wherein: the vacuum pump (13) is fixed to the housing (11) by welding.
5. A pressure vessel mouthpiece with good tightness as defined in claim 1, wherein: the sections of the first gasket (15) and the second gasket (16) are round, and the diameters of the first gasket and the second gasket are 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811580718.7A CN109667931B (en) | 2018-12-24 | 2018-12-24 | Pressure vessel mouth piece with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811580718.7A CN109667931B (en) | 2018-12-24 | 2018-12-24 | Pressure vessel mouth piece with good sealing performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109667931A CN109667931A (en) | 2019-04-23 |
| CN109667931B true CN109667931B (en) | 2024-01-12 |
Family
ID=66145997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811580718.7A Active CN109667931B (en) | 2018-12-24 | 2018-12-24 | Pressure vessel mouth piece with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109667931B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128605B (en) * | 2020-10-23 | 2022-04-08 | 安徽商贸职业技术学院 | Adjustable double-cover-body double-compression pressure container |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0223997A1 (en) * | 1985-11-04 | 1987-06-03 | Nukem GmbH | Container for transporting and storing biologically hazardous materials |
| CN204942525U (en) * | 2015-08-13 | 2016-01-06 | 蔡占河 | A kind of pressurized container |
| CN206555431U (en) * | 2017-03-20 | 2017-10-13 | 郭翔鹏 | The sealing structure and pressure vessel of pressure vessel |
| CN207796078U (en) * | 2017-12-27 | 2018-08-31 | 江苏航联特种设备制造有限公司 | A kind of vacuum pressure tank |
| CN207848389U (en) * | 2017-12-12 | 2018-09-11 | 中国船舶重工集团公司第七一九研究所 | Be easy to open and safety pressure vessel |
| CN209622034U (en) * | 2018-12-24 | 2019-11-12 | 江苏联峰工业装备科技有限公司 | A kind of cover for pressure vessel of good airproof performance |
-
2018
- 2018-12-24 CN CN201811580718.7A patent/CN109667931B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0223997A1 (en) * | 1985-11-04 | 1987-06-03 | Nukem GmbH | Container for transporting and storing biologically hazardous materials |
| CN204942525U (en) * | 2015-08-13 | 2016-01-06 | 蔡占河 | A kind of pressurized container |
| CN206555431U (en) * | 2017-03-20 | 2017-10-13 | 郭翔鹏 | The sealing structure and pressure vessel of pressure vessel |
| CN207848389U (en) * | 2017-12-12 | 2018-09-11 | 中国船舶重工集团公司第七一九研究所 | Be easy to open and safety pressure vessel |
| CN207796078U (en) * | 2017-12-27 | 2018-08-31 | 江苏航联特种设备制造有限公司 | A kind of vacuum pressure tank |
| CN209622034U (en) * | 2018-12-24 | 2019-11-12 | 江苏联峰工业装备科技有限公司 | A kind of cover for pressure vessel of good airproof performance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109667931A (en) | 2019-04-23 |
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