CN109667931A - A kind of cover for pressure vessel of good airproof performance - Google Patents
A kind of cover for pressure vessel of good airproof performance Download PDFInfo
- Publication number
- CN109667931A CN109667931A CN201811580718.7A CN201811580718A CN109667931A CN 109667931 A CN109667931 A CN 109667931A CN 201811580718 A CN201811580718 A CN 201811580718A CN 109667931 A CN109667931 A CN 109667931A
- Authority
- CN
- China
- Prior art keywords
- cover
- bottom cover
- washer
- pressure vessel
- cover plate
- 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.)
- Granted
Links
- 238000012856 packing Methods 0.000 claims abstract description 36
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 8
- 238000007789 sealing Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid 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
Abstract
The present invention is suitable for pressure vessel technology field, provide a kind of cover for pressure vessel of good airproof performance, including vessel, cover assembly, multiple fixation kits, the vessel includes shell, bottom cover, vacuum pump, exhaust tube, first washer, second packing ring, the bottom cover is fixed on the upper end of the shell, the through-hole for being connected to the enclosure interior space is offered in the middle part of the bottom cover, first washer is provided on the upper surface of the bottom cover, the second packing ring is provided on the outside of first washer, the cover assembly includes upper cover plate, the upper cover plate is oppositely arranged on the top of the bottom cover, the multiple fixation kit is evenly distributed on the edge of the cover assembly for clamping upper cover plate and bottom cover；And each fixation kit includes connecting rod, pedestal, shaft, fastening bolt, cushion cover.The present invention has the characteristics that easy for assemble or unload, structural stability is strong, leakproofness is good.
Description
Technical field
The invention belongs to pressure vessel technology field more particularly to a kind of cover for pressure vessel of good airproof performance.
Background technique
Pressure vessel is used for filling gas or liquid, and can carry the Sealing Arrangement of certain pressure.Pressure vessel one
As there is mouth part for outputting and inputting material, with sealing performance, to prevent material leakage.
But existing cover for pressure vessel haves the defects that certain, sealing of existing cover for pressure vessel when in use
Structure is simple, and only with the sealing effect of single layer, leakproofness is insufficient, and stability is poor；In addition existing cover for pressure vessel disassembly
Inconvenience, to be not easy to take out the material in container.
Summary of the invention
The present invention provides a kind of cover for pressure vessel of good airproof performance, it is intended to solve the problems, such as leakproofness deficiency.
The invention is realized in this way a kind of cover for pressure vessel of good airproof performance, including vessel, cover assembly,
Multiple fixation kits；
The vessel includes: shell, bottom cover, vacuum pump, exhaust tube, the first washer, second packing ring；The bottom cover is solid
It is scheduled on the upper end of the shell, the through-hole for being connected to the enclosure interior space is offered in the middle part of the bottom cover；The bottom cover
First washer of ring structure is provided on upper surface；Described the of ring structure is provided on the outside of first washer
Two washers；The first washer on the upper surface of the bottom cover and the regional connectivity between second packing ring have the exhaust tube
The other end of one end, the exhaust tube connects a vacuum pump；
The cover assembly includes upper cover plate；The upper cover plate is oppositely arranged on the top of the bottom cover；And the upper cover
Plate is close to first washer and the second packing ring；
The multiple fixation kit is evenly distributed on the edge of the cover assembly, and each fixation kit packet
It includes: connecting rod, pedestal, shaft, fastening bolt, cushion cover；The pedestal is fixed on the lower surface of the outer of bottom cover；The connecting rod
Lower end be rotatablely connected the pedestal, and the connecting rod is located at the outside of the bottom cover；The upper end of the connecting rod is L shape knot
Structure and the top for extending to the upper cover plate；The fastening bolt is fixed on the portion of the connecting rod being located above the upper cover plate
Point；The pedestal and the fastening bolt are clamped in the lower section of bottom cover and the top of the upper cover plate respectively.
The present invention also provides preferred, first for accommodating first washer is offered on the upper surface of the bottom cover
Kerve；The first inverted draw cut for accommodating the second packing ring is offered on the lower surface of the upper cover plate；First kerve and
First inverted draw cut is curved slot arrangement and is in be oppositely arranged.
The present invention also provides preferred, second for accommodating the second packing ring is offered on the upper surface of the bottom cover
Kerve；The second inverted draw cut for accommodating the second packing ring is offered on the lower surface of the upper cover plate；Second kerve and
Second inverted draw cut is curved slot arrangement and is in be oppositely arranged.
The present invention also provides preferred, the inside of the pedestal offers a threaded hole；Installation inside the threaded hole
There is a fixing bolt；The pedestal is fixedly connected with the bottom cover by the fixing bolt.
The present invention also provides preferred, the lower end of the connecting rod is fixed with a shaft；The connecting rod passes through described
Shaft is rotatablely connected the pedestal.
The present invention also provides preferred, the upper end of the fastening bolt is provided with the handle of a butterfly structure.
The present invention also provides preferred, the lower end of the fastening bolt is arranged with a cushion cover；The cushion cover is spherical junctions
Structure.
The present invention also provides preferred, the vacuum pump is fixed by welding on the shell.
The present invention also provides preferred, first washer and the second packing ring section are circle, and diameter is
2mm。
Compared with prior art, the beneficial effects of the present invention are: a kind of cover for pressure vessel of good airproof performance of the invention,
By setting the first washer and second packing ring, enable gap between upper cover plate and bottom cover there are two washer carry out it is double-deck close
Envelope, sealing effect are good.By being connected to an exhaust tube between two washers, and one end of exhaust tube connects a vacuum pump,
To be vacuumized the gas between the first washer and second packing ring using vacuum pump, with further lift-off seal performance.Pass through
In the outer of bottom cover and upper cover plate, fixation kit is set, using pedestal and fastening bolt bottom cover and upper cover plate outer clamp bottom cover and
Upper cover plate, so that upper cover plate and bottom cover are more close to the first washer and second packing ring, leakproofness is more preferably, wherein connecting rod
It is rotatablely connected pedestal, thus when opening upper cover plate, it is only necessary to the fastening bolt of connecting rod upper end be unclamped, and turned by connecting rod
It moves on the outside of upper cover plate, upper cover plate directly can be lifted up taking-up, convenient disassembly.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the structural schematic diagram of the upper cover plate in the present invention；
Fig. 3 is the structural schematic diagram of the vessel and fixation kit in the present invention；
Fig. 4 is the structural schematic diagram of the first washer and second packing ring in the present invention；
Fig. 5 is the structural schematic diagram of the fixation kit in the present invention.
In figure: 1- vessel, 11- shell, 12- bottom cover, 13- vacuum pump, 14- exhaust tube, the first washer of 15-, 16-
Two washers, the first kerve of 17-, the second kerve of 18-, 2- cover assembly, 21- upper cover plate, the first inverted draw cut of 22-, the second inverted draw cut of 23-,
3- fixation kit, 31- connecting rod, 32- pedestal, 33- fixing bolt, 34- shaft, 35- fastening bolt, 36- cushion cover, 37- threaded hole.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of cover for pressure vessel of good airproof performance, including hold
Device ontology 1, cover assembly 2, multiple fixation kits 3；
Vessel 1 includes: shell 11, bottom cover 12, vacuum pump 13, exhaust tube 14, the first washer 15, second packing ring 16.
Bottom cover 12 is fixed on the upper end of shell 11, and the middle part of bottom cover 12 offers the through-hole of connection 11 inner space of shell, bottom cover 12
The first washer 15 of ring structure is provided on upper surface, the outside of the first washer 15 is provided with the second packing ring of ring structure
16, the regional connectivity between the first washer 15 and second packing ring 16 on the upper surface of bottom cover 12 has the one of an exhaust tube 14
The other end at end, exhaust tube 14 connects a vacuum pump 13；
Cover assembly 2 includes upper cover plate 21.Upper cover plate 21 is oppositely arranged on the top of bottom cover 12.And upper cover plate 21 is close to the
One washer 15 and second packing ring 16；
Multiple fixation kits 3 are evenly distributed on the edge of cover assembly 2, and each fixation kit 3 includes: connecting rod
31, pedestal 32, shaft 34, fastening bolt 35, cushion cover 36.Pedestal 32 is fixed on the lower surface of the outer of bottom cover 12.Connecting rod 31
Lower end be rotatablely connected pedestal 32, and connecting rod 31 is located at the outside of bottom cover 12.The upper end of connecting rod 31 is L-shaped structure and extension
To the top of upper cover plate 21.Fastening bolt 35 is fixed on the part for being located at 21 top of upper cover plate of connecting rod 31.Pedestal 32 and fastening
Bolt 35 is clamped in the lower section of bottom cover 12 and the top of upper cover plate 21 respectively.
In the present embodiment, vessel 1 is for accommodating material, and material is gas or liquid, inside shell 11
It is provided with accommodating storehouse, is not indicated all in figure, bottom cover 12 and shell 11 are integrally formed, and the through-hole in bottom cover 12 is connected to shell
Accommodating storehouse in 11, material are output and input from through hole, and the first washer 15 and second packing ring 16 are all made of rubber material
Injection molding, the first washer 15 are looped around the outside of the through-hole on bottom cover 12, and second packing ring 16 is looped around the outer of the first washer 15
Side, and there is gap between the first washer 15 and second packing ring 16.An exhaust tube 14 is embedded on bottom cover 12, exhaust tube 14
One end is connected to the space between the first washer 15 and second packing ring 16, and the other end connects a vacuum pump 13, and vacuum pump 13 can
The gas between first washer 15 and second packing ring 16 is vacuumized by exhaust tube 14, to promote the first washer 15 and second
The sealing performance of washer 16, and the gap of the junction of exhaust tube 14 and bottom cover 12 is filled by viscose glue, while also securing pumping
Tracheae 14, the lid of upper cover plate 21 are located on bottom cover 12, and upper cover plate 21 is close to the first washer 15 and second packing ring 16, fixation kit 3
Quantity is 4, and is evenly distributed on the outer of cover assembly 2.Fixation kit 3 is for further reinforcing upper cover plate 21 and bottom cover
The compactness connected between 12, pedestal 32 are fixed on the lower surface of bottom cover 12, and the upper end of the connecting rod 31 of L-shaped structure extends to
The fastening bolt 35 in connecting rod 31 when fixed cover plate 21, is tightened, the lower end of fastening bolt 35 compresses upper cover plate in the top of cover board 21
It when needing to open upper cover plate 21, is twisted to clamp upper cover plate 21 and bottom cover 12 by fastening bolt 35 and pedestal 32 21 upper surface
Loose fastening bolt 35 is rotatablely connected bar 31, so that the top of upper cover plate 21 is left in the upper part of connecting rod 31, thus by upper cover plate
21 are lifted to the height higher than connecting rod 31 and remove upwards.
Further, the first kerve 17 for accommodating the first washer 15, upper cover plate are offered on the upper surface of bottom cover 12
The first inverted draw cut 22 for accommodating the first washer 15 is offered on 21 lower surface, the first kerve 17 and the first inverted draw cut 22 are arc
Shape slot structure and in being oppositely arranged.
In the present embodiment, the first kerve 17 is offered on the upper surface of bottom cover 12, is opened on the lower surface of upper cover plate 21
Equipped with the first inverted draw cut 22, the first washer 15 by the first kerve 17 and the first inverted draw cut 22 be fixed on upper cover plate 21 and bottom cover 12 it
Between, the first kerve 17 and the first inverted draw cut 22 are curved slot arrangement and are in be oppositely arranged, and stability is good, difficult to slide.
Further, the second kerve 18 for accommodating second packing ring 16, upper cover plate are offered on the upper surface of bottom cover 12
The second inverted draw cut 23 for accommodating second packing ring 16 is offered on 21 lower surface, the second kerve 18 and the second inverted draw cut 23 are arc
Shape slot structure and in being oppositely arranged.
In the present embodiment, the second kerve 18 is offered on the upper surface of bottom cover 12, is opened on the lower surface of upper cover plate 21
Equipped with the second inverted draw cut 23, second packing ring 16 by the second inverted draw cut 23 and the second kerve 18 be fixed on upper cover plate 21 and bottom cover 12 it
Between, the second kerve 18 and the second inverted draw cut 23 are curved slot arrangement and are in be oppositely arranged, and stability is good, difficult to slide.
Further, the inside of pedestal 32 offers a threaded hole 37, and a fixing bolt is equipped with inside threaded hole 37
33, pedestal 32 is fixedly connected with bottom cover 12 by fixing bolt 33.
In the present embodiment, pedestal 32 is detachably mounted on bottom cover 12, and the inside of pedestal 32 offers a spiral shell
Pit 37, a fixing bolt 33 is equipped with inside threaded hole 37, and user can be by disassembly fixing bolt 33 to tear pedestal 32 open
It unloads, and then removes the entirety of fixation kit 3.
Further, the lower end of connecting rod 31 is fixed with a shaft 34, and connecting rod 31 is rotatablely connected bottom by shaft 34
Seat 32.
In the present embodiment, the lower end of connecting rod 31 is fixed with a shaft 34, connecting rod 31 and 34 one of shaft at
Type, the connecting rod 34 rotated by shaft 34, structural stability is stronger, and use is safer.
Further, the upper end of fastening bolt 35 is provided with the handle of a butterfly structure.
In the present embodiment, the upper end of fastening bolt 35 is provided with the handle of a butterfly structure, is also attached on handle
Non-slip mat, user grasp handle and are operated when rotating fastening bolt 35.
Further, the lower end of fastening bolt 35 is arranged with a cushion cover 36, and cushion cover 36 is spherical structure.
In the present embodiment, fastening bolt 35 is metal material, and cushion cover 36 is rubber material, and cushion cover 36 can be avoided fastening
Damage of the bolt 35 to 21 surface of upper cover plate.
Further, vacuum pump 13 is fixed by welding on shell 11.
In the present embodiment, vacuum pump 13 is fixed by welding on shell 11, the vacuum pump being fixed on shell 11
13 more convenient users operate.
Further, the first washer 15 and 16 section of second packing ring are circle, and diameter is 2mm.
In the present embodiment, the first washer of 2mm diameter 15 and second packing ring 16 make between upper cover plate 21 and bottom cover 12
Gap it is smaller, stability is more preferable.
The working principle of the invention and process for using: it after the present invention installs, when sealing upper cover plate 21, tightens all tight
Gu bolt 35, the lower end of fastening bolt 35 compresses the upper surface of upper cover plate 21, and clamps upper cover plate 21 and bottom cover 12 jointly with pedestal 32,
It recycles vacuum pump 13 and exhaust tube 14 by vacuumizing between the first washer 15 and second packing ring 16, completes sealing.In opening
When cover board 21, all fastening bolts 35 are unclamped, and be rotatablely connected bar 31, so that fastening bolt 35 leaves the top of upper cover plate 21, then will
Upper cover plate 21 is removed.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (9)
1. a kind of cover for pressure vessel of good airproof performance, it is characterised in that: including vessel (1), cover assembly (2), multiple
Fixation kit (3)；
The vessel (1) include: shell (11), bottom cover (12), vacuum pump (13), exhaust tube (14), the first washer (15),
Second packing ring (16)；The bottom cover (12) is fixed on the upper end of the shell (11), the company of offering in the middle part of the bottom cover (12)
Lead to the through-hole of the shell (11) inner space；First pad of ring structure is provided on the upper surface of the bottom cover (12)
It encloses (15)；The second packing ring (16) of ring structure is provided on the outside of first washer (15)；The bottom cover (12)
Regional connectivity between the first washer (15) on upper surface and second packing ring (16) has one end of an exhaust tube (14),
The other end of the exhaust tube (14) connects a vacuum pump (13)；
The cover assembly (2) includes upper cover plate (21)；The upper cover plate (21) is oppositely arranged on the top of the bottom cover (12)；
And the upper cover plate (21) is close to first washer (15) and the second packing ring (16)；
The multiple fixation kit (3) is evenly distributed on the edge of the cover assembly (2), and each fixation kit
It (3) include: connecting rod (31), pedestal (32), shaft (34), fastening bolt (35), cushion cover (36)；The pedestal (32) is fixed on bottom
It covers on the lower surface of the outer of (12)；The lower end of the connecting rod (31) is rotatablely connected the pedestal (32), and the connecting rod
(31) it is located at the outside of the bottom cover (12)；The upper end of the connecting rod (31) is L-shaped structure and extends to the upper cover plate
(21) top；The fastening bolt (35) is fixed on the part of the connecting rod (31) being located above the upper cover plate (21)；
The pedestal (32) and the fastening bolt (35) are clamped in the lower section of bottom cover (12) and the top of the upper cover plate (21) respectively.
2. a kind of cover for pressure vessel of good airproof performance as described in claim 1, it is characterised in that: the bottom cover (12) it is upper
The first kerve (17) for accommodating first washer (15) is offered on surface；It is opened on the lower surface of the upper cover plate (21)
Equipped with the first inverted draw cut (22) for accommodating first washer (15)；First kerve (17) and first inverted draw cut (22)
It is curved slot arrangement and is in be oppositely arranged.
3. a kind of cover for pressure vessel of good airproof performance as described in claim 1, it is characterised in that: the bottom cover (12) it is upper
The second kerve (18) for accommodating the second packing ring (16) is offered on surface；It is opened on the lower surface of the upper cover plate (21)
Equipped with the second inverted draw cut (23) for accommodating the second packing ring (16)；Second kerve (18) and second inverted draw cut (23)
It is curved slot arrangement and is in be oppositely arranged.
4. a kind of cover for pressure vessel of good airproof performance as described in claim 1, it is characterised in that: the pedestal (32) it is interior
Portion offers a threaded hole (37)；A fixing bolt (33) is installed inside the threaded hole (37)；The pedestal (32) is logical
It crosses the fixing bolt (33) and is fixedly connected with the bottom cover (12).
5. a kind of cover for pressure vessel of good airproof performance as described in claim 1, it is characterised in that: the connecting rod (31)
Lower end is fixed with a shaft (34)；The connecting rod (31) is rotatablely connected the pedestal (32) by the shaft (34).
6. a kind of cover for pressure vessel of good airproof performance as described in claim 1, it is characterised in that: the fastening bolt (35)
Upper end is provided with the handle of a butterfly structure.
7. a kind of cover for pressure vessel of good airproof performance as described in claim 1, it is characterised in that: the fastening bolt (35)
Lower end is arranged with a cushion cover (36)；The cushion cover (36) is spherical structure.
8. a kind of cover for pressure vessel of good airproof performance as described in claim 1, it is characterised in that: the vacuum pump (13) is logical
It crosses and is weldingly fixed on the shell (11).
9. a kind of cover for pressure vessel of good airproof performance as described in claim 1, it is characterised in that: first washer (15)
It is circle with the second packing ring (16) section, and diameter is 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 true CN109667931A (en) | 2019-04-23 |
| CN109667931B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128605A (en) * | 2020-10-23 | 2020-12-25 | 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112128605A (en) * | 2020-10-23 | 2020-12-25 | 安徽商贸职业技术学院 | Adjustable double-cover-body double-compression pressure container |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109667931B (en) | 2024-01-12 |
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