CN116624594A - Double-cover pressure container and use method thereof - Google Patents
Double-cover pressure container and use method thereof Download PDFInfo
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- CN116624594A CN116624594A CN202310493469.2A CN202310493469A CN116624594A CN 116624594 A CN116624594 A CN 116624594A CN 202310493469 A CN202310493469 A CN 202310493469A CN 116624594 A CN116624594 A CN 116624594A
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- flange
- electromagnet
- pressure port
- concave edge
- upper cover
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 115
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 79
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 79
- 239000010439 graphite Substances 0.000 claims abstract description 79
- 230000008859 change Effects 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 14
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 10
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
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- 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
- F16J13/16—Pivoted closures
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- 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
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/061—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with positioning means
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- 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
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/06—Closures, e.g. cap, breakable member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0311—Closure means
Abstract
The invention relates to the technical field of pressure vessels, in particular to a double-cover pressure vessel and a use method thereof. The double-cover pressure container comprises a tank body and a cover body arranged on the tank body, wherein the top of the cover body is provided with a pressure port, an upper cover is arranged on the pressure port, the upper end face of the tank body is provided with a rectangular flange, the lower end face of the cover body is provided with a rectangular concave edge which is in plug-in fit with the rectangular flange, the rectangular concave edge comprises a fixed concave edge with one end being open and a movable concave edge which can be used for plugging the opening, and a graphite sealing assembly is arranged in the rectangular concave edge. The double-cover pressure container provided by the invention has the advantages that the assembly of the tank body and the cover body is simple and efficient, no additional spare parts are needed, the sealing effect is excellent, the corrosion resistance and the thermal stability are good, the opening and the blocking of the pressure port are convenient and quick, the labor intensity is low, and the sealing effect is good.
Description
Technical Field
The invention relates to the technical field of pressure vessels, in particular to a double-cover pressure vessel and a use method thereof.
Background
The pressure vessel is a closed device for containing gas or liquid and bearing a certain pressure. In the prior art, the tank body and the cover body of the pressure container are fixedly connected through the flange plate, the disassembly and assembly process is complex, the operation efficiency is low, the sealing effect is poor, the sealing element usually adopts elastic sealing rings such as rubber rings, the corrosion resistance and the thermal stability are poor, the sealing failure is easy, and once the sealing failure occurs, the tank body is seriously out of pressure, so that serious safety accidents are caused; in addition, the pressure port on the lid adopts the upper cover to seal, and the upper cover adopts screw thread rotation installation and fastening bolt fastening installation generally, and the upper cover is whole to be dismantled when using, and the operation is complicated, and intensity of labour is high.
The invention patent with the application number of CN201610324328.8 discloses a double-cover pressure container, which comprises a tank body and a tank cover arranged on the tank body; an upper mounting plate and a lower mounting plate are respectively arranged at the joint of the tank body and the tank cover; the upper mounting plate and the lower mounting plate are fastened together through the clamping bands; the tank cover is provided with a hydraulic port; the hydraulic pressure mouth on be provided with detachable hydraulic pressure lid. Among the above-mentioned technical scheme, through clamping band chucking installation between cover and the jar body, as long as open the one end of clamping band can when opening the jar body, improved installation effectiveness, still there is following technical problem:
1. the clamping bands are required to be additionally arranged, parts are more, and the clamping bands are required to be aligned and pressed for multiple times during installation, so that the installation efficiency is reduced;
2. the fastening mode of the clamping strap is matched with a rubber elastic sealing ring, so that the clamping strap is poor in corrosion resistance and thermal stability, and easy to seal and lose efficacy, thereby causing safety accidents;
3. the cover body of the hydraulic cover is provided with two door covers hinged with the upper parts of the edges of the hydraulic cover, namely, the hydraulic cover integrally adopts a plugging mode of splicing and covering, so that unnecessary gaps are increased, and the sealing effect is reduced.
In view of the foregoing, there is a need for a double-lid pressure vessel with fewer parts, high installation efficiency, high sealing effect, corrosion resistance, good thermal stability, easy opening of the upper lid, and good sealing.
Disclosure of Invention
In order to solve at least one of the technical problems, the invention provides a double-cover pressure container, which comprises a tank body and a cover body arranged on the tank body, wherein the top of the cover body is provided with a pressure port, an upper cover is arranged on the pressure port, the upper end surface of the tank body is provided with a rectangular flange, the lower end surface of the cover body is provided with a rectangular concave edge which is in plug-in fit with the rectangular flange, the rectangular concave edge comprises a fixed concave edge with one end open and a movable concave edge capable of blocking the opening, and a graphite sealing assembly is arranged in the rectangular concave edge.
Preferably, the fixed concave edge comprises two side concave edges and a bottom concave edge, one end of the movable concave edge is hinged with one side concave edge, the other end of the movable concave edge is connected with the other side concave edge in a clamping manner, a first graphite sealing strip is embedded at the butt joint of the movable concave edge and the fixed concave edge, and the graphite sealing assembly comprises a first graphite sealing piece arranged in the bottom concave edge and the movable concave edge and a second graphite sealing piece arranged in the two side concave edges.
Preferably, one side of the upper cover is pivotally connected with one side of the pressure port, the other side of the upper cover is magnetically connected with the other side of the pressure port, an electromagnetic driving part for driving the upper cover to rotate is arranged on the pressure port, a power supply electrically connected with the electromagnetic driving part is arranged on the upper end face of the rectangular concave edge, and a locking part for locking the upper cover and the pressure port is arranged on the cover body.
Preferably, the upper cover comprises an upper cover body, a first rotating shaft is arranged on one side of the upper cover body, an upper cover flange is arranged on the other side of the upper cover body, a first permanent magnet is arranged at the bottom of the upper cover flange, the pressure port comprises a cylindrical pressure port body, a hinge seat connected with the first rotating shaft in a pivoting mode is arranged on one side of the pressure port body, a pressure port flange corresponding to the upper cover flange is arranged on the other side of the pressure port body, a first electromagnet is arranged at the top of the pressure port flange, a magnetic core of the first electromagnet is attracted with the first permanent magnet in a non-electrified state, and magnetic poles of the first electromagnet are changed to repel the first permanent magnet in an electrified state.
Preferably, the electromagnetic driving piece comprises a cylindrical base with one end being opened, a base cover and two vertical connecting rods, wherein the cylindrical base is fixedly arranged on the hinging seat and coaxial with the first rotating shaft, two mounting seats are arranged on the circumference of the inner annular surface of the cylindrical base at equal intervals, second electromagnets are arranged in the mounting seats, the first rotating shaft can rotatably penetrate through the mounting seats, the connecting rods are fixedly arranged at the end parts of the first rotating shaft along a diameter line, second permanent magnets corresponding to the second electromagnets are fixedly arranged on the connecting rods, in a non-electrified state, the magnetic cores of the second electromagnets are attracted with one second permanent magnet, in an electrified state, the magnetic poles of the second electromagnets are changed to be attracted with the other second permanent magnet, and the first rotating shaft rotates.
Preferably, the locking piece comprises a locking piece and an L-shaped locking hook which are locked in a pressing mode, a corresponding inclined surface is arranged at the pressing position of the locking piece and the locking hook, the locking piece is fixedly arranged on the upper cover, the locking hook is connected with the pressure port through a pivot shaft of a second rotating shaft, a torsion spring is arranged on the second rotating shaft, one end of the torsion spring is connected with the locking hook, the other end of the torsion spring is connected with the pressure port, a third electromagnet is arranged on the pressure port, a third permanent magnet corresponding to the third electromagnet is arranged on the locking hook, in a locking state, the locking piece is clamped into the locking hook, a magnetic core of the third electromagnet is attracted with the third permanent magnet, in a power-on state, the magnetic pole of the third electromagnet is changed, the locking hook is pushed away from the locking piece through repulsive force, and the unlocking state is achieved.
Preferably, the concave edge of the bottom and the movable concave edge are respectively provided with a rectangular first flange slot, the rectangular flange is inserted into two ends of the first flange slot and is provided with a conical section, a first graphite sealing piece is arranged in the first flange slot and comprises a first circular arc-shaped spring piece, the arc top of the first circular arc-shaped spring piece is fixed at the bottom of the first flange slot, two free ends of the first circular arc-shaped spring piece are fixedly provided with second graphite sealing strips, each second graphite sealing strip is provided with a right-angle triangle section, one right-angle side is fixedly connected with the first circular arc-shaped spring piece, the other right-angle side is abutted against the inner wall of the first flange slot, and the inclined side is abutted against the conical section of the rectangular flange.
Preferably, a rectangular second flange slot is arranged in the side concave edge, sealing element mounting grooves are formed in the upper end and the lower end of the second flange slot in a mirror image mode, a second graphite sealing element is arranged in the sealing element mounting grooves, the second graphite sealing element comprises a second circular arc-shaped spring piece, the arc top of the second circular arc-shaped spring piece protrudes towards the direction away from the second flange slot, two free ends are respectively connected with a third graphite sealing strip, the arc top of the second circular arc-shaped spring piece is connected with the sealing element mounting grooves, one end of the third graphite sealing strip is provided with a horizontal sealing surface, the other end of the third graphite sealing strip is provided with an inclined sealing surface, the horizontal sealing surface is in sealing butt joint with the rectangular flange, and two sides of the sealing element mounting grooves are provided with inclined surfaces in sealing butt joint with the inclined sealing surfaces.
Preferably, the arc top of the second arc-shaped spring piece is provided with an outer cylinder and an inner cylinder which are vertically sleeved in a sliding manner, the outer cylinder penetrates through and is fixed on the second arc-shaped spring piece, a fourth permanent magnet is arranged at the bottom of the outer cylinder, the inner cylinder is fixed on the sealing element mounting groove, a fourth electromagnet is arranged inside the inner cylinder, a fifth permanent magnet which is attracted with the fourth permanent magnet is arranged on the rectangular flange, in a non-electrified state, a magnetic core of the fourth electromagnet and the fourth permanent magnet repel each other, and in an electrified state, the magnetic pole of the fourth electromagnet is changed, and the magnetic attraction between the fourth permanent magnet is larger than the magnetic attraction between the fourth permanent magnet and the fifth permanent magnet.
The invention provides a use method of a double-cover pressure container, which comprises the following steps:
step S100, assembling and sealing: electrifying a fourth electromagnet of the second graphite sealing piece, enabling the third graphite sealing strip to move upwards, aligning the opening of the fixed concave edge on the cover body with the bottom edge of the rectangular flange of the tank body, pushing the cover body until the bottom edge and two side edges of the rectangular flange on the tank body are embedded into the bottom concave edge and the side concave edge of the fixed concave edge, and finally plugging the opening end of the fixed concave edge by using the movable concave edge, stopping electrifying the fourth electromagnet, and completing assembly sealing;
step S200, plugging a pressure port: the locking block is clamped and locked with the locking hook, the flange of the upper cover is closely attached to the flange of the pressure port through magnetic attraction, one connecting rod of the electromagnetic driving piece is connected with one mounting seat through magnetic attraction, and the other connecting rod is connected with the other mounting seat through magnetic attraction;
step S300, opening a pressure port: electrifying the first electromagnet, the second electromagnet and the third electromagnet to change magnetic poles, enabling the lock hook to rotate under the repulsive force to separate from the lock block, enabling the torsion spring to accumulate torque force, unlocking the lock piece, enabling the upper cover flange to be far away from the pressure port flange under the repulsive force, enabling the connecting rod of the electromagnetic driving piece to rotate, magnetically sucking and connecting with the other mounting seat, and driving the cover body to rotate to open the pressure port;
step S400, re-plugging the pressure port: and stopping electrifying the first electromagnet, the second electromagnet and the third electromagnet to enable the magnetic poles of the first electromagnet, the second electromagnet and the third electromagnet to be restored to the initial state, driving the upper cover to rotate and reset by the electromagnetic driving piece, and enabling the flange of the upper cover to be closely attached to the flange of the pressure port by magnetic attraction, and simultaneously enabling the locking piece to be locked with the locking hook in a clamping mode again.
Compared with the prior art, the invention has the following beneficial technical effects:
1. according to the invention, the tank body and the cover body are assembled and sealed through push-in sealing fit, so that the operation is simple, accessories such as a clamp or a bolt are not required to be additionally used during assembly, the installation efficiency is improved, and the labor intensity of workers is reduced;
2. the rectangular concave edge of the cover body can seal and cover the rectangular flange of the tank body, and cover double sealing is formed on the upper end and the lower end of the rectangular flange, so that the sealing effect is higher compared with the traditional flange buckling or clamping hoop sealing;
3. the graphite sealing component is arranged in the rectangular concave edge, and the service life and sealing stability of the sealing piece can be improved due to the characteristics of corrosion resistance, high temperature resistance, good dimensional stability and the like of graphite;
4. the alternating of magnetic attraction and magnetic repulsion is realized through the magnetic pole transformation of the first electromagnet, the second electromagnet and the third electromagnet, so that the upper cover is opened or a pressure port is blocked, the operation is convenient, and the labor intensity is reduced;
5. the first arc-shaped spring piece in the first graphite sealing piece has elasticity, when the rectangular flange is inserted into the first flange slot, the conical section of the first arc-shaped spring piece presses the upper and lower second graphite sealing strips, and the second graphite sealing strips are tightly attached to the rectangular flange and the inner wall of the first flange slot by matching with the elastic force of the first arc-shaped spring piece, so that the sealing effect is improved;
6. through the magnetic pole transformation of the fourth electromagnet, the up-and-down movement of the outer cylinder is realized, the second arc-shaped spring piece is stressed to deform, so that the third graphite sealing strip is tightly attached to or far away from the rectangular flange, when the third graphite sealing strip is tightly abutted against the rectangular flange, the high-efficiency sealing can be realized, the friction resistance during installation can be reduced when the third graphite sealing strip is far away from the rectangular flange, the operation efficiency is improved, the sealing surface of the third graphite sealing strip can be protected from being worn, and the service life of the third graphite sealing strip is prolonged;
in conclusion, the double-cover pressure container provided by the invention has the advantages that the assembly of the tank body and the cover body is simple and efficient, no additional spare parts are needed, the sealing effect is excellent, the corrosion resistance and the thermal stability are good, the opening and the blocking of the pressure port are convenient and quick, the labor intensity is low, and the sealing effect is good.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of a cover without an upper cover;
FIG. 4 is a schematic view of the structure of the upper cover;
FIG. 5 is a schematic structural view of the electromagnetic driving member in the closed state of the upper cover;
FIG. 6 is a schematic structural view of the electromagnetic driving member in the open state of the upper cover;
FIG. 7 is an enlarged view of a portion of B in FIG. 1;
FIG. 8 is a schematic illustration of the configuration of a first graphite seal within a concave bottom edge;
FIG. 9 is a schematic illustration of the configuration of a first graphite seal within a movable concave edge;
FIG. 10 is an enlarged view of a portion of FIG. 1A in the unpowered state;
fig. 11 is a partial enlarged view of a in fig. 1 in an energized state.
Reference numerals illustrate:
1. can body, 11, rectangular flange, 2, lid, 21, rectangular concave side, 211, fixed concave side, 2111, bottom concave side, 2112, side concave side, 2113, first flange insertion groove, 2114, second flange insertion groove, 2115, seal attachment groove, 212, movable concave side, 213, first graphite seal strip, 22, pressure port, 221, pressure port body, 222, hinge seat, 223, pressure port flange, 224, first electromagnet, 225, first insertion groove, 226, graphite seal ring, 23, upper lid, 231, upper lid body, 232, first rotation shaft, 233, upper lid flange, 234, first permanent magnet, 235, second insertion groove, 24, electromagnetic drive, 241, cylindrical base, 242, base cover, 243, connecting rod, 244, mount, 245, second electromagnet, 246, second permanent magnet, 25, lock, 251, lock, 252, lock hook, 253, second rotating shaft, 254, torsion spring, 255, third electromagnet, 256, third permanent magnet, 3, graphite seal assembly, 31, first graphite seal, 311, first circular arc spring piece, 312, second graphite seal, 32, second graphite seal, 321, second circular arc spring piece, 322, third graphite seal, 323, outer cylinder, 324, inner cylinder, 325, fourth permanent magnet, 326, fourth electromagnet, 327, fifth permanent magnet, 4, power source.
Detailed Description
The following describes specific embodiments of the invention with reference to the drawings and examples:
it should be noted that the structures, proportions, sizes, etc. shown in the drawings are merely for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the invention, which is defined by the appended claims.
Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
Example 1
Referring to fig. 1 to 11, this embodiment provides a double-cap pressure container, including a tank body 1 and a lid body 2 installed on the tank body 1, lid body 2 top is equipped with pressure port 22, be equipped with upper cover 23 on the pressure port 22, the up end of tank body 1 is equipped with rectangle flange 11, the lower terminal surface of lid body 2 be equipped with rectangle flange 11 grafting complex rectangle concave edge 21, rectangle concave edge 21 includes one end open-ended fixed concave edge 211 and can shutoff open-ended movable concave edge 212, be equipped with graphite seal assembly 3 in the rectangle concave edge 21. In the technical scheme, the tank body 1 can adopt a square tank or a round tank according to the use requirement, the rectangular flange 11 and the rectangular concave edge 21 are respectively integrally formed with the tank body 1 and the cover body 2, the tank body 1 and the cover body 2 are in push-in sealing fit, the operation is simple, accessories such as a clamp or a bolt are not required to be additionally used during assembly, the installation efficiency is improved, and the labor intensity of workers is reduced; the rectangular concave edge 21 of the cover body 2 can seal and cover the rectangular flange 11 of the tank body 1, and cover double sealing is formed on the upper end and the lower end of the rectangular flange 11, so that compared with the traditional flange buckling or clamping hoop sealing, the cover has a higher sealing effect; the graphite sealing component 3 is arranged in the rectangular concave edge 21, and the service life and sealing stability of the sealing element can be improved due to the characteristics of corrosion resistance, high temperature resistance, good dimensional stability and the like of graphite.
In a specific structure, the fixed concave edge 211 includes two side concave edges 2111 and a bottom concave edge 2112, one end of the movable concave edge 212 is hinged to one side concave edge 2111, the other end is in snap connection with the other side concave edge 2111, the butt joint of the movable concave edge 212 and the fixed concave edge 211 is embedded with a first graphite sealing strip 213, and the graphite sealing assembly 3 includes a first graphite sealing element 31 disposed in the bottom concave edge 2112 and the movable concave edge 212, and a second graphite sealing element 32 disposed in the two side concave edges 2111. In the above technical solution, the hinge of the movable concave edge 212 and the side concave edge 2111 may be implemented by any suitable hinge in the prior art, in this embodiment, the hinge is adopted, and the snap connection may be implemented by any suitable snap fastener in the prior art, in this embodiment, the snap fastener is fixedly arranged on the side concave edge 2111, and the snap connection is implemented by setting a snap hook on the movable concave edge 212.
The assembly process of this embodiment is as follows: in the initial state, the can body 1 and the lid body 2 are placed and transported separately, when in assembly, the opening of the fixed concave edge 211 on the lid body 2 is aligned with the bottom edge of the rectangular flange 11 of the can body 1 (namely, the side in the fixed concave edge 211 is pushed in first), the lid body 2 is pushed until the bottom edge and the two side edges of the rectangular flange 11 on the can body 1 are embedded into the bottom concave edge 2112 and the side concave edge 2111 of the fixed concave edge 211, and finally, the opening end of the fixed concave edge 211 is blocked by the movable concave edge 212 to complete the assembly.
Example 2
With reference to fig. 1 to 11, this embodiment provides a double-cap pressure vessel, and on the basis of embodiment 1, the structure of the cap 2 is optimally designed, and the specific technical scheme is as follows,
one side of the upper cover 23 is pivotally connected with one side of the pressure port 22, the other side is magnetically connected with the other side of the pressure port 22, an electromagnetic driving piece 24 for driving the upper cover 23 to rotate is arranged on the pressure port 22, a power supply 4 electrically connected with the electromagnetic driving piece 24 is arranged on the upper end surface of the rectangular concave edge 21, and a locking piece 25 for locking the upper cover 23 and the pressure port 22 is arranged on the cover body 2. In the above technical scheme, the electromagnetic driving piece 24 drives the upper cover 23 to rotate to open or close the pressure port 22, the upper cover 23 is magnetically connected with one side of the pressure port 22, so that the sealing efficiency and sealing stability can be improved when the pressure port 22 is closed, and the locking piece 25 can firmly lock the upper cover 23 on the pressure port 22.
In a specific structure, the upper cover 23 includes an upper cover body 231, a first rotating shaft 232 is disposed on one side of the upper cover body 231, an upper cover flange 233 is disposed on the other side of the upper cover body, a first permanent magnet 234 is disposed at the bottom of the upper cover flange 233, the pressure port 22 includes a cylindrical pressure port body 221, a hinge seat 222 pivotally connected to the first rotating shaft 232 is disposed on one side of the pressure port body 221, a pressure port flange 223 corresponding to the upper cover flange 233 is disposed on the other side of the pressure port body, a first electromagnet 224 is disposed on the top of the pressure port flange 223, in a non-energized state, a magnetic core of the first electromagnet 224 attracts the first permanent magnet 234, and in an energized state, a magnetic pole of the first electromagnet 224 changes and repels the first permanent magnet 234. In the above technical solution, the hinge base 222 may adopt any structural form in the prior art, and in this embodiment, a cylindrical structure is adopted, as shown in fig. 3, which is rotatably inserted into the two ends of the first rotating shaft 232.
In a specific structure, the electromagnetic driving member 24 includes a cylindrical base 241 with an opening at one end, a base cover 242, and two vertical connecting rods 243, where the cylindrical base 241 is fixedly disposed on the hinge base 222 and is coaxial with the first permanent magnet 232, two mounting bases 244 are disposed on the circumference of the inner ring of the cylindrical base 241 at equal intervals, a second electromagnet 245 is disposed in the mounting bases 244, the first rotating shaft 232 rotatably penetrates through the mounting bases 244, the connecting rods 243 are fixed on the end of the first rotating shaft 232 along a diameter line, a second permanent magnet 246 corresponding to the second electromagnet 245 is fixedly disposed on the connecting rods 243, in a non-energized state, a magnetic core of the second electromagnet 245 attracts one of the second permanent magnets 246, in an energized state, the second electromagnet 245 is magnetically transformed and attracts another second permanent magnet 246, and the first rotating shaft 232 rotates. In the above-mentioned embodiments, the electromagnetic driving members 24 are preferably provided in two, and are respectively connected to two free ends of the first rotating shaft 232. As shown in fig. 5, when the upper cover 23 closes the pressure port 22, the left side of the upper and lower second permanent magnets 246 is S-pole, the right side is N-pole, the left side of the upper and lower second electromagnets 245 is S-pole, and the right side is N-pole, at this time, the upper connecting rod 243 is magnetically attached to the upper mounting seat 244, and the lower connecting rod 243 is magnetically attached to the lower mounting seat 244; as shown in fig. 6, when the upper cover 23 needs to be opened, the second electromagnet 245 is energized to change its magnetic pole, at this time, the left side of the second electromagnet 245 above and below is N pole, the right side is S pole, the connecting rod 243 above and below rotates under the action of the repulsive force until the connecting rod 243 below rotates to the upper side, and is magnetically attached to the mounting seat 244 above, the connecting rod 243 above rotates to the lower side, and is magnetically attached to the mounting seat 244 below, and the connecting rod 243 drives the first rotating shaft 232 to rotate, driving the upper cover 23 to rotate to open the pressure port 22.
In a specific structure, the locking member 25 includes a locking piece 251 and an L-shaped locking hook 252 that are locked by pressing, a corresponding inclined slope is provided at a pressing position of the locking piece 251 and the locking hook 252, the locking piece 251 is fixedly disposed on the upper cover 23, the locking hook 252 is pivotally connected with the pressure port 22 through a second rotating shaft 253, a torsion spring 254 is disposed on the second rotating shaft 253, one end of the torsion spring 254 is connected with the locking hook 252, the other end is connected with the pressure port 22, a third electromagnet 255 is disposed on the pressure port 22, a third permanent magnet 256 corresponding to the third electromagnet 255 is disposed on the locking hook 252, in a locked state, a magnetic core of the third electromagnet 255 is attracted to the third permanent magnet 256, in an electrified state, a magnetic pole of the third electromagnet 255 is changed, and the locking hook 252 is pushed away from the locking piece 251 by repulsive force, and enters an unlocked state. In the above-described embodiments, the locking piece 251 and the locking hook 252 are preferably provided on the upper cover flange 233 of the upper cover 23 and the pressure port flange 223 of the pressure port 22.
In a specific structure, a first embedded groove 225 is formed in the upper end surface of the pressure port body 221, a graphite sealing ring 226 is disposed in the first embedded groove 225, and a second embedded groove 235 corresponding to the graphite sealing ring 226 is formed in the bottom of the upper cover body 231.
The working principle and working process of the embodiment are as follows: when the upper cover 23 seals the pressure port 22, the locking piece 251 is locked with the locking hook 252 in a clamping way, the upper cover flange 233 is closely attached to the pressure port flange 223 in a magnetic attraction way, one connecting rod 243 of the electromagnetic driving piece 24 is connected with one mounting seat 244 in a magnetic attraction way, and the other connecting rod 243 is connected with the other mounting seat 244 in a magnetic attraction way; when the upper cover 23 needs to be opened, the first electromagnet 224, the second electromagnet 245 and the third electromagnet 255 are electrified to change the magnetic poles of the first electromagnet, the second electromagnet 245 and the third electromagnet 255, the lock hook 252 rotates to be separated from the lock block 251 under the repulsive force action, the torsion spring 254 accumulates torque force, the locking piece 25 is unlocked, the upper cover flange 233 is far away from the pressure port flange 223 under the repulsive force action, and meanwhile, the connecting rod 243 of the electromagnetic driving piece 24 rotates to be magnetically connected with the other mounting seat 244 to drive the cover 23 to rotate to open the pressure port 22; when the pressure port 22 needs to be plugged again, the first electromagnet 224, the second electromagnet 245 and the third electromagnet 255 are stopped to be electrified to enable the magnetic poles of the first electromagnet 224, the second electromagnet 245 and the third electromagnet 255 to be restored to the initial state, the electromagnetic driving piece 24 drives the upper cover 23 to rotate and reset, the upper cover flange 233 and the pressure port flange 223 are closely attached in a magnetic attraction manner, and meanwhile the locking piece 251 and the locking hook 252 are locked in a clamping manner again.
In this embodiment, the magnetic poles of the first electromagnet 224, the second electromagnet 245 and the third electromagnet 255 are changed by powering on or powering off, so as to realize magnetic pole conversion, and the upper cover 23 is used for blocking, locking and opening the pressure port 22 by alternating magnetic attraction and magnetic repulsion, so that the operation is convenient, and the labor intensity is reduced.
Example 3
With reference to fig. 1 to 11, this embodiment provides a double-cap pressure container, and on the basis of embodiment 1 or 2, the structure of the graphite sealing assembly 3 is optimally designed, so as to improve the sealing effect thereof, and the specific technical scheme is as follows,
the bottom concave edge 2112 and the movable concave edge 212 are respectively provided with a rectangular first flange slot 2113, the rectangular flange 11 is inserted into two ends of the first flange slot 2113 to form a conical section, a first graphite sealing piece 31 is arranged in the first flange slot 2113, the first graphite sealing piece 31 comprises a first arc-shaped spring piece 311, the arc top of the first arc-shaped spring piece 311 is fixed at the bottom of the first flange slot 2113, two free ends of the first arc-shaped spring piece 311 are fixedly provided with second graphite sealing strips 312, the second graphite sealing strips 312 are provided with right-angle triangular sections, one right-angle edge is fixedly connected with the first arc-shaped spring piece 311, the other right-angle edge is abutted against the inner wall of the first flange slot 2113, and the bevel edge is abutted against the conical section of the rectangular flange 11. In the above technical solution, the first arc-shaped spring piece 311 has elasticity, when the rectangular flange 11 is inserted into the first flange slot 2113, the conical section thereof extrudes the upper and lower two second graphite sealing strips 312, and the second graphite sealing strips 312 can be tightly attached to the inner walls of the rectangular flange 11 and the first flange slot 2113 by matching with the elastic force of the first arc-shaped spring piece 311, so as to improve the sealing effect.
In a specific structure, a rectangular second flange slot 2114 is provided in the side concave edge 2111, a seal mounting groove 2115 is provided at the upper and lower ends of the second flange slot 2114 in a mirror image manner, a second graphite seal 32 is provided in the seal mounting groove 2115, the second graphite seal 32 includes a second arc-shaped spring piece 321, the arc top of the second arc-shaped spring piece 321 protrudes in a direction away from the second flange slot 2114, two free ends are respectively connected with a third graphite seal strip 322, the arc top of the second arc-shaped spring piece 321 is connected with the seal mounting groove 2115, one end of the third graphite seal strip 322 has a horizontal seal surface, the other end has an inclined seal surface, the horizontal seal surface is in sealing contact with the rectangular flange 11, and two sides of the seal mounting groove 2115 have inclined surfaces in sealing contact with the inclined seal surface. In the above technical solution, the second arc-shaped spring piece 321 has elasticity, so that the third graphite sealing strip 322 can be tightly attached to the inner wall of the rectangular flange 11 and the sealing element mounting groove 2115, and the sealing effect is improved.
In a specific structure, an outer cylinder 323 and an inner cylinder 324 are vertically sleeved on the arc top of the second arc-shaped spring piece 321 in a sliding manner, the outer cylinder 323 penetrates through and is fixed on the second arc-shaped spring piece 321, a fourth permanent magnet 325 is arranged at the bottom of the outer cylinder 324, the inner cylinder 324 is fixed on the sealing element mounting groove 2115, a fourth electromagnet 326 is arranged in the inner cylinder, a fifth permanent magnet 327 attracted with the fourth permanent magnet 325 is arranged on the rectangular flange 11, in a non-energized state, the magnetic core of the fourth electromagnet 326 and the fourth permanent magnet 325 repel each other, and in an energized state, the magnetic pole of the fourth electromagnet 326 changes, and the magnetic attraction between the fourth permanent magnet 325 is larger than the magnetic attraction between the fourth permanent magnet 325 and the fifth permanent magnet 327. In the above technical solution, the up-and-down movement of the outer cylinder 323 is realized by the magnetic pole transformation in the electrified or powered-off state of the fourth electromagnet 326, and the second arc-shaped spring piece 321 is deformed under the stress, so that the third graphite sealing strip 322 is closely attached to or far away from the rectangular flange 11.
The working principle and working process of the embodiment are as follows: when the cover body 2 needs to be inserted into or pulled out of the can body 1, the fourth electromagnet 326 is electrified, at the moment, as shown in fig. 11, the fourth electromagnet 326 and the fourth permanent magnet 325 are attracted, the outer cylinder 323 slides upwards, the second arc-shaped spring piece 321 drives the third graphite sealing strip 322 to move upwards along the inclined slope of the sealing element mounting groove 2115 and away from the rectangular flange 11, and in this state, the cover body 2 is inserted into or pulled out of the can body, so that the friction resistance can be reduced, the operation efficiency can be improved, the sealing surface of the third graphite sealing strip 322 can be protected from being worn, and the service life of the can be prolonged; when sealing is needed, the fourth electromagnet 326 is stopped from being electrified to change the magnetic poles, the outer cylinder 323 slides downwards under the repulsive force of the fourth electromagnet 326 and the attractive force of the fifth electromagnet 327, and the second circular arc-shaped spring piece 321 pushes the third graphite sealing strip 322 to move downwards along the inclined plane of the sealing element mounting groove 2115 until the third graphite sealing strip is tightly abutted against the rectangular flange 11, so that sealing is completed.
Example 4
With reference to fig. 1 to 11, this embodiment provides a method for using a double-cap pressure vessel, which includes the following steps:
step S100, assembling and sealing: energizing the fourth electromagnet 326 of the second graphite sealing element 32 to enable the third graphite sealing strip 322 to move upwards, aligning the opening of the fixed concave edge 211 on the cover body 2 with the bottom edge of the rectangular flange 11 of the can body 1, pushing the cover body 2 until the bottom edge and two side edges of the rectangular flange 11 on the can body 1 are embedded into the bottom concave edge 2112 and the side concave edge 2111 of the fixed concave edge 211, and finally plugging the opening end of the fixed concave edge 211 by the movable concave edge 212, stopping energizing the fourth electromagnet 326, and completing assembly sealing;
step S200, plugging the pressure port 22: the locking piece 251 is clamped and locked with the locking hook 252, the upper cover flange 233 is closely attached to the pressure port flange 223 in a magnetic attraction manner, one connecting rod 243 of the electromagnetic driving piece 24 is connected with one mounting seat 244 in a magnetic attraction manner, and the other connecting rod 243 is connected with the other mounting seat 244 in a magnetic attraction manner;
step S300, opening the pressure port 22: electrifying the first electromagnet 224, the second electromagnet 245 and the third electromagnet 255 to change the magnetic poles, rotating the lock hook 252 to separate from the lock block 251 under the repulsive force, accumulating torque force by the torsion spring 254, unlocking the lock piece 25, separating the upper cover flange 233 from the pressure port flange 223 under the repulsive force, simultaneously rotating the connecting rod 243 of the electromagnetic driving piece 24, magnetically sucking and connecting with the other mounting seat 244, and driving the cover 23 to rotate to open the pressure port 22;
step S400, re-plugging the pressure port 22: the first electromagnet 224, the second electromagnet 245 and the third electromagnet 255 are stopped to be electrified, so that the magnetic poles of the first electromagnet 224, the second electromagnet 245 and the third electromagnet 255 are restored to the initial state, the electromagnetic driving piece 24 drives the upper cover 23 to rotate and reset, the upper cover flange 233 is closely attached to the pressure port flange 223 in a magnetic attraction manner, and meanwhile, the locking piece 251 is locked with the locking hook 252 in a clamping manner again.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the scope of the present invention.
Claims (10)
1. The utility model provides a double-cover pressure vessel, includes jar body (1) and installs lid (2) on jar body (1), lid (2) top is equipped with pressure port (22), be equipped with upper cover (23) on pressure port (22), its characterized in that, the up end of jar body (1) is equipped with rectangle flange (11), the lower terminal surface of lid (2) be equipped with rectangle flange (11) grafting complex rectangle concave side (21), rectangle concave side (21) include one end open-ended fixed concave side (211) and can shutoff open-ended movable concave side (212), be equipped with graphite seal assembly (3) in rectangle concave side (21).
2. A double-cap pressure vessel according to claim 1, wherein the fixed concave edge (211) comprises two side concave edges (2111) and a bottom concave edge (2112), one end of the movable concave edge (212) is hinged with one side concave edge (2111), the other end is in snap connection with the other side concave edge (2111), a first graphite sealing strip (213) is embedded at the butt joint of the movable concave edge (212) and the fixed concave edge (211), and the graphite sealing assembly (3) comprises a first graphite sealing piece (31) arranged in the bottom concave edge (2112) and the movable concave edge (212) and a second graphite sealing piece (32) arranged in the two side concave edges (2111).
3. A double-cover pressure container according to claim 2, wherein one side of the upper cover (23) is pivotally connected with one side of the pressure port (22), the other side is magnetically connected with the other side of the pressure port (22), an electromagnetic driving member (24) for driving the upper cover (23) to rotate is arranged on the pressure port (22), a power supply (4) electrically connected with the electromagnetic driving member (24) is arranged on the upper end surface of the rectangular concave edge (21), and a locking member (25) for locking the upper cover (23) and the pressure port (22) is arranged on the cover body (2).
4. A double-cover pressure container according to claim 3, wherein the upper cover (23) comprises an upper cover body (231), a first rotating shaft (232) is arranged on one side of the upper cover body (231), an upper cover flange (233) is arranged on the other side of the upper cover body, a first permanent magnet (234) is arranged at the bottom of the upper cover flange (233), the pressure port (22) comprises a cylindrical pressure port body (221), a hinging seat (222) which is pivotally connected with the first rotating shaft (232) is arranged on one side of the pressure port body (221), a pressure port flange (223) corresponding to the upper cover flange (233) is arranged on the other side of the pressure port body, a first electromagnet (224) is arranged at the top of the pressure port flange (223), a magnetic core of the first electromagnet (224) is attracted with the first permanent magnet (234) in a non-energized state, and a magnetic pole of the first electromagnet (224) is changed to be repelled with the first permanent magnet (234) in an energized state.
5. The double-cover pressure container according to claim 4, wherein the electromagnetic driving member (24) comprises a cylindrical base (241) with an opening at one end, a base cover (242) and two vertical connecting rods (243), the cylindrical base (241) is fixedly arranged on the hinging seat (222) and coaxial with the first permanent magnet (232), two mounting seats (244) are arranged on the circumference of the inner ring surface of the cylindrical base (241) at equal intervals, a second electromagnet (245) is arranged in the mounting seats (244), the first rotating shaft (232) can penetrate through the mounting seats (244) in a rotatable mode, the connecting rods (243) are fixed at the end parts of the first rotating shaft (232) along a diameter line, second permanent magnets (246) corresponding to the second electromagnets (245) are fixedly arranged on the connecting rods (243), in a non-energized state, the magnetic cores of the second electromagnets (245) are attracted with one second permanent magnet (246), in an energized state, the second electromagnets (245) are in magnetic pole-changing mode, and the second electromagnets (245) are attracted with the other second permanent magnets (246) to rotate along the diameter line.
6. The double-cover pressure container according to claim 5, wherein the locking piece (25) comprises a locking piece (251) and an L-shaped locking hook (252) which are locked in a pressing mode, a corresponding inclined plane is arranged at a pressing position of the locking piece (251) and the locking hook (252), the locking piece (251) is fixedly arranged on the upper cover (23), the locking hook (252) is pivotally connected with the pressure port (22) through a second rotating shaft (253), a torsion spring (254) is arranged on the second rotating shaft (253), one end of the torsion spring (254) is connected with the locking hook (252), the other end of the torsion spring is connected with the pressure port (22), a third electromagnet (255) is arranged on the pressure port (22), a third permanent magnet (256) corresponding to the third electromagnet (255) is arranged on the locking hook (252), in a locking state, a magnetic core of the third electromagnet (255) is attracted with the third permanent magnet (256), and in an electrified state, the third electromagnet (255) is separated from the locking hook (252), and the locking hook (255) is pushed into the unlocking state through the repulsive force.
7. A double-lid pressure vessel according to any one of claims 2-6, wherein a rectangular first flange slot (2113) is provided in each of the bottom concave edge (2112) and the movable concave edge (212), the rectangular flange (11) is inserted into the two ends of the first flange slot (2113) and has a tapered section, a first graphite seal (31) is provided in the first flange slot (2113), the first graphite seal (31) comprises a first arc-shaped spring piece (311), an arc top of the first arc-shaped spring piece (311) is fixed at the bottom of the first flange slot (2113), two free ends of the first arc-shaped spring piece (311) are fixedly provided with a second graphite sealing strip (312), the second graphite sealing strip (312) has a right-angled triangle section, one right-angled edge is fixedly connected with the first arc-shaped spring piece (311), and the other right-angled edge abuts against an inner wall of the first flange slot (2113) and abuts against the tapered section of the rectangular flange (11).
8. The double-cover pressure container according to claim 7, wherein a rectangular second flange slot (2114) is formed in the side concave edge (2111), a seal mounting groove (2115) is formed in the upper end and the lower end of the second flange slot (2114) in a mirror image mode, a second graphite seal (32) is arranged in the seal mounting groove (2115), the second graphite seal (32) comprises a second arc-shaped spring piece (321), the arc top of the second arc-shaped spring piece (321) protrudes in a direction away from the second flange slot (2114), two free ends are respectively connected with a third graphite seal strip (322), the arc top of the second arc-shaped spring piece (321) is connected with the seal mounting groove (2115), one end of the third graphite seal strip (322) is provided with a horizontal seal surface, the other end of the third graphite seal strip is provided with an inclined seal surface, the horizontal seal surface is abutted against the rectangular flange (11), and two sides of the seal mounting groove (2115) are provided with inclined surfaces abutted against the inclined seal surfaces.
9. The double-cover pressure container according to claim 8, wherein an outer cylinder (323) and an inner cylinder (324) are vertically sleeved on the arc top of the second arc-shaped spring piece (321), the outer cylinder (323) penetrates through and is fixed on the second arc-shaped spring piece (321), a fourth permanent magnet (325) is arranged at the bottom, the inner cylinder (324) is fixed on the sealing element mounting groove (2115), a fourth electromagnet (326) is arranged inside the inner cylinder, a fifth permanent magnet (327) which is attracted with the fourth permanent magnet (325) is arranged on the rectangular flange (11), a magnetic core of the fourth electromagnet (326) is repelled with the fourth permanent magnet (325) in a non-energized state, and the magnetic attraction between the fourth electromagnet (326) and the fourth permanent magnet (325) is larger than the magnetic attraction between the fourth permanent magnet (325) and the fifth permanent magnet (325) in an energized state.
10. The method of using a double-cap pressure vessel of claim 9, comprising the steps of:
step S100, assembling and sealing: electrifying a fourth electromagnet (326) of the second graphite sealing piece (32), enabling a third graphite sealing strip (322) to move upwards, aligning the opening of a fixed concave edge (211) on the cover body (2) with the bottom edge of a rectangular flange (11) of the tank body (1), pushing the cover body (2) until the bottom edge and two side edges of the rectangular flange (11) on the tank body (1) are embedded into a bottom concave edge (2112) and a side concave edge (2111) of the fixed concave edge (211), and finally plugging the opening end of the fixed concave edge (211) by using a movable concave edge (212), stopping electrifying the fourth electromagnet (326), thereby completing assembly and sealing;
step S200, plugging the pressure port (22): the locking piece (251) is clamped and locked with the locking hook (252), the upper cover flange (233) is closely attached to the pressure port flange (223) in a magnetic attraction mode, one connecting rod (243) of the electromagnetic driving piece (24) is connected with one mounting seat (244) in a magnetic attraction mode, and the other connecting rod (243) is connected with the other mounting seat (244) in a magnetic attraction mode;
step S300, opening the pressure port (22): electrifying the first electromagnet (224), the second electromagnet (245) and the third electromagnet (255) to change the magnetic poles of the first electromagnet, rotating the lock hook (252) to separate from the lock block (251) under the repulsive force, accumulating torque force by the torsion spring (254), unlocking the locking piece (25), enabling the upper cover flange (233) to be far away from the pressure port flange (223) under the repulsive force, simultaneously enabling the connecting rod (243) of the electromagnetic driving piece (24) to rotate, magnetically sucking and connecting with the other mounting seat (244), and driving the cover body (23) to rotate to open the pressure port (22);
step S400, re-plugging the pressure port (22): the first electromagnet (224), the second electromagnet (245) and the third electromagnet (255) are stopped to be electrified, so that the magnetic poles of the first electromagnet and the second electromagnet are restored to the initial state, the electromagnetic driving piece (24) drives the upper cover (23) to rotate and reset, the upper cover flange (233) is closely attached to the pressure port flange (223) in a magnetic attraction manner, and meanwhile, the locking piece (251) is locked with the locking hook (252) in a clamping manner again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310493469.2A CN116624594A (en) | 2023-05-05 | 2023-05-05 | Double-cover pressure container and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310493469.2A CN116624594A (en) | 2023-05-05 | 2023-05-05 | Double-cover pressure container and use method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN116624594A true CN116624594A (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310493469.2A Pending CN116624594A (en) | 2023-05-05 | 2023-05-05 | Double-cover pressure container and use method thereof |
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| CN (1) | CN116624594A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000008146A (en) * | 1998-07-10 | 2000-02-07 | 구자홍 | Combining device for holder lock type cover of pressure cooker |
| CN103822819A (en) * | 2012-11-19 | 2014-05-28 | 中国科学院海洋研究所 | Anti-corrosion efficient digestion tank with quickly buckled bayonet |
| CN209267478U (en) * | 2018-09-29 | 2019-08-16 | 成都酷卓生命科技有限公司 | A kind of magnetic commutation retaining mechanism |
| CN210469147U (en) * | 2020-03-30 | 2020-05-05 | 宁波守正磁电有限公司 | Magnetic rotating assembly for adjustable baffle |
| 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 |
-
2023
- 2023-05-05 CN CN202310493469.2A patent/CN116624594A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000008146A (en) * | 1998-07-10 | 2000-02-07 | 구자홍 | Combining device for holder lock type cover of pressure cooker |
| CN103822819A (en) * | 2012-11-19 | 2014-05-28 | 中国科学院海洋研究所 | Anti-corrosion efficient digestion tank with quickly buckled bayonet |
| CN209267478U (en) * | 2018-09-29 | 2019-08-16 | 成都酷卓生命科技有限公司 | A kind of magnetic commutation retaining mechanism |
| CN210469147U (en) * | 2020-03-30 | 2020-05-05 | 宁波守正磁电有限公司 | Magnetic rotating assembly for adjustable baffle |
| 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 |
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