CN117028629A - Pressure release locking device - Google Patents
Pressure release locking device Download PDFInfo
- Publication number
- CN117028629A CN117028629A CN202310941844.5A CN202310941844A CN117028629A CN 117028629 A CN117028629 A CN 117028629A CN 202310941844 A CN202310941844 A CN 202310941844A CN 117028629 A CN117028629 A CN 117028629A
- Authority
- CN
- China
- Prior art keywords
- pressure
- locking
- pressure release
- locking device
- piece
- 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.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 description 10
- 238000003466 welding Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention relates to the field of pressure relief, in particular to a pressure relief locking device. The pressure release locking device comprises a locking piece and a power mechanism for driving the locking piece to do linear motion, the locking piece is provided with a locking station in locking fit with the pressure release cover plate and an unlocking station for opening the pressure release cover plate so that the pressure release cover plate can be opened in a moving stroke, and the power mechanism is used for working when the internal pressure of the pressure equipment reaches a set value. The locking piece is provided with a locking station and an unlocking station, so that the pressure release cover plate can be indirectly controlled by arranging the power mechanism; in addition, when the pressure in the pressure equipment risees, can control the locking piece in advance and unlock the pressure release apron for the pressure release apron reaches the unblock station and carries out the pressure release, and then has solved in the prior art only after the pressure reaches certain threshold value and just can cut the pin or the screw opens the pressure release apron and cause the problem that inside high pressure caused certain damage to inside article before opening.
Description
Technical Field
The invention relates to the field of pressure relief, in particular to a pressure relief locking device.
Background
The ship opens up a material storage warehouse for placing inflammable and explosive materials, and the material storage warehouse belongs to a relatively airtight high-risk place and is in an unattended state at ordinary times. The material in the storehouse can cause burning and explosion accident to take place because of unexpected circumstances, and then lead to a large amount of smog and high-pressure gas in the storehouse to accumulate fast, in order to avoid material repository deformation damage to arouse even chain explosion, poison gas to spread, consequently be provided with a plurality of pressure release mouths on the bulkhead, thereby can in time open after the harm takes place effectively guide pressure release, prevent the accident further enlarges.
The pressure relief opening among the prior art department is provided with the pressure relief apron generally, and the pressure relief apron articulates on the bulkhead, and still is provided with locking pin nail or locking screw on the bulkhead, and when the pressure in the storehouse was comparatively normal, the pressure relief apron was in the closed condition under locking pin nail or locking screw's effect. When combustion occurs in the warehouse, the pressure in the warehouse gradually rises, the pressure release cover plate generates a certain shearing force on the locking pin or the locking screw, and when the pressure reaches a certain threshold value, the shearing force generated by the pressure release cover plate can shear the locking pin or the locking screw, so that the pressure release cover plate is opened.
However, the locking pin or the locking screw can be opened only when the pressure reaches a certain threshold value, the pressure in the warehouse can act on the goods stored in the warehouse at the same time in the process of increasing the pressure in the warehouse, and the excessive pressure can cause adverse effects on the goods, so that when the pressure in the warehouse is used for flushing the pressure release cover plate, certain damage is caused to the goods, the pressure release cover plate is destructively opened, and after the pressure release cover plate is forcibly opened, the structure of the pressure release cover plate is destroyed, so that the pressure release cover plate cannot be reused.
Disclosure of Invention
The invention aims to provide a pressure release locking device which is used for solving the problems that in the prior art, a pin or a screw can be sheared only after the pressure reaches a certain threshold value, so that the pressure release cover plate is opened, and the high pressure in the pressure release cover plate causes certain damage to the internal articles before the pressure release cover plate is opened, and the pressure release cover plate cannot be reused.
In order to achieve the above purpose, the pressure release locking device in the invention adopts the following technical scheme:
the utility model provides a pressure release locking device, includes the locking piece that is used for with the pressure release apron locking complex on the pressure equipment, pressure release locking device still includes the power unit who is used for driving the locking piece and make rectilinear movement who is connected with the locking piece, the locking piece has with pressure release apron locking complex locking station and let open the unblock station that pressure release apron can be opened in order to make it in the motion journey, power unit is used for working when pressure equipment's internal pressure reaches the setting value.
The beneficial effects of the technical scheme are that: the pressure release locking device is characterized in that the locking piece is arranged to lock the pressure release cover plate, and the power mechanism is arranged to drive the locking piece to move; in addition, power unit is used for working when the internal pressure of pressure equipment reaches the setting value, that is to say when the pressure of pressure equipment inside reaches the certain degree and probably can produce the influence to inside goods, can control the locking piece in advance and unlock the pressure release apron for the pressure release apron is released, because internal pressure is not big this moment, therefore the locking piece also does not destroy, but the locking piece reuse under power unit's effect, and then only can cut the pin after the pressure reaches certain threshold value or the screw opens the pressure release apron and cause the problem that certain damage and unable reuse are led to the fact to inside article to inside the inside high pressure before opening in prior art.
Further, the locking piece comprises a locking rod and a roller arranged on the locking rod, and the axial direction of the roller is perpendicular to the movement direction of the locking rod.
The beneficial effects of the technical scheme are that: friction resistance of the locking piece of the locking structure is reduced, and clamping stagnation is avoided.
Further, the pressure relief locking device also comprises a guide seat which is in guide fit with the roller of the locking piece.
The beneficial effects of the technical scheme are that: the locking piece is guided, so that the locking piece is matched with the pressure relief cover plate better.
Further, the pressure relief locking device further comprises a mounting substrate, and the power mechanism and the guide seat are fixedly arranged on the mounting substrate.
The beneficial effects of the technical scheme are that: all parts are installed together through the installation base plate, and unified installation and disassembly are convenient to carry out.
Further, the power mechanism is an electromagnetic driver, an output shaft hinged with the locking piece is arranged on the electromagnetic driver, and a reset pressure spring is sleeved on the output shaft.
The beneficial effects of the technical scheme are that: the response speed of the electromagnetic driver is high; because the electromagnetic driver can only move unidirectionally, a return spring is also arranged to enable the locking piece to be automatically switched between two stations.
Further, the pressure release locking device further comprises a manual opening mechanism, the manual opening mechanism comprises a rotary shaft which rotates and a driving piece connected with the rotary shaft, and the driving piece is used for driving the power mechanism and/or the locking piece so as to enable the locking piece to move from the locking station to the unlocking station.
The beneficial effects of the technical scheme are that: the manual opening mechanism is arranged to be capable of intervening in work when the power mechanism fails, so that the reliability is higher; the rotary motion is switched into the motion of the driving piece through the rotary shaft, and the structure is simple.
Further, the driving piece is a driving plate, and a baffle plate matched with the driving plate in a thrust mode is arranged on the power mechanism.
The beneficial effects of the technical scheme are that: the driving plate and the baffle are in thrust fit with each other in a simple structure, and the driving plate cannot influence the movement of the locking piece when the power mechanism drives the locking piece to move due to the thrust fit of the driving plate and the baffle.
Further, the rotary shaft is used to penetrate through the top wall or the side wall of the pressure device, and the manual opening mechanism comprises an inner wall fixing piece fixed inside the top wall or the side wall and an outer wall fixing piece fixed outside the top wall or the side wall, through which the rotary shaft penetrates.
The beneficial effects of the technical scheme are that: the rotation axis wears to establish and then makes the one end and the driving piece cooperation of rotation axis, and one end can set up in the outside confession personnel of being convenient for of pressure equipment operate.
Further, the driving piece is the driving plate, be provided with on the power unit with driving plate thrust complex baffle, manual opening mechanism still includes the reset torsion spring, and the both ends of reset torsion spring are connected with inner wall mounting and baffle respectively.
The beneficial effects of the technical scheme are that: the driving plate can be automatically reset after the use is finished through the reset torsion spring, so that the driving plate is convenient for the next use.
Further, the outer wall fixing piece is also provided with a protective cover for shielding the end part of the rotating shaft, and the protective cover is in sealing fit with the outer wall fixing piece.
The beneficial effects of the technical scheme are that: the protection to the rotation shaft is convenient, and meanwhile, rain, water and the like are prevented from entering the pressure equipment through the rotation shaft.
Drawings
FIG. 1 is a front view of embodiment 1 of the pressure relief locking device of the present invention;
FIG. 2 is a top view of embodiment 1 of the pressure relief locking device of the present invention;
FIG. 3 is a schematic view of a manual opening mechanism of embodiment 1 of the pressure relief locking device of the present invention;
FIG. 4 is a schematic cross-sectional view of a manual opening mechanism of embodiment 1 of the pressure relief locking device of the present invention;
FIG. 5 is a top view of the lock of embodiment 1 of the pressure relief locking device of the present invention;
fig. 6 is a side view of embodiment 1 of the pressure relief locking device of the present invention.
In the figure: 1. a power mechanism; 11. an output shaft; 12. resetting a pressure spring; 13. a baffle; 2. a locking member; 21. a locking lever; 22. a roller; 23. a roller shaft; 24. a locking pin; 25. clamping springs; 26. a guide seat; 27. a first connection ring; 3. a manual opening mechanism; 31. an inner wall fixing member; 311. a mounting flange; 312. a reset ring; 32. an outer wall fixing member; 331. an upper rotating shaft; 332. a lower rotating shaft; 333. operating the collar; 34. a protective cover; 341. a protective cover ring; 35. a seal ring; 36. a bushing; 37. a driving plate; 38. a reset torsion spring; 39. a chain; 41. a mounting plate; 42. and (5) welding a plate.
Detailed Description
The features and capabilities of the present invention are described in further detail below in connection with the examples.
In example 1 of the pressure release locking device in the present invention:
in this embodiment, the pressure release locking device is provided with a locking piece for locking the pressure release cover plate and a power mechanism for driving the locking piece to move from the locking station to the unlocking station, and in addition, in order to prevent the failure of the power mechanism, a manual opening mechanism is further provided, the manual opening mechanism comprises a rotating shaft, the rotating shaft penetrates through the side wall or the top wall of the pressure equipment, one end of the rotating shaft is used for driving the locking piece to move, and the other end of the rotating shaft is used for an operator to operate so as to unlock the pressure release cover plate.
In this embodiment, the pressure release locking device is arranged on a cabin of a ship, the cabin forms pressure equipment, the top of the cabin is a deck, and a pressure release cover plate is arranged on the deck and used for releasing pressure in the cabin. In order to control the state of the pressure relief cover plate, a pressure relief locking device is therefore provided, and in addition the pressure relief cover plate has a state in which it is opened for pressure relief and a closed state in which it is closed so that the pressure device does not leak. Of course, in other embodiments, the pressure device may be a closed space such as a switch cabinet, which needs to be depressurized.
Specifically, as shown in fig. 1, the pressure release locking device comprises a locking piece 2 for locking and matching with a pressure release cover plate on the pressure equipment, and further comprises a power mechanism 1 connected with the locking piece 2 and used for driving the locking piece 2 to do linear motion, so that the locking piece 2 is provided with a locking station for locking and matching with the pressure release cover plate and an unlocking station for unlocking the pressure release cover plate to enable the pressure release cover plate to be opened in a motion stroke in order to match with the opening state and the closing state of the pressure release cover plate. In addition, in order to avoid that the pressure release cover plate can not be opened due to the failure of the power mechanism 1, a manual opening mechanism 3 is further arranged.
As shown in fig. 1 and 2, the pressure release locking device further includes a mounting substrate, specifically, in this embodiment, the mounting substrate includes a welding plate 42 and a mounting plate 41, the welding plate 42 is used for being welded on the inner side of the deck of the cabin, a threaded hole is provided on the welding plate 42, and correspondingly, a bolt through hole corresponding to the threaded hole on the welding plate 42 is provided on the mounting plate 41. The power mechanism 1, the locking piece 2 and the manual opening mechanism 3 are assembled and installed on the installation plate 41, so that the pressure release locking device is integrated, and only the bolts on the installation plate 41 are required to be operated in the installation and disassembly processes. The power structure and the manual opening mechanism 3 are also mounted on the mounting plate 41 by bolts. The welding plate 42 is provided so that the space for installing the mounting plate 41 is formed inside the deck due to the limited thickness of the deck, and the strength of the deck is not reduced, but rather increased due to the welding of the welding plate 42.
As shown in fig. 1 and 2, the power mechanism 1 is an electromagnetic driver, an output shaft 11 hinged with the locking piece 2 is arranged on the electromagnetic driver, a connecting structure hinged with the locking piece 2 is arranged on one side, close to the locking piece 2, of the output shaft 11, the connecting structure is a flat plate which is arranged in parallel, and holes which are concentrically arranged and have the same size are formed in the flat plate. The output shaft 11 is further provided with a lock nut and a reset pressure spring 12 positioned between the lock nut and the electromagnetic driver shell, the electromagnetic driver can control the output shaft 11 to retract and further compress the reset pressure spring 12 when being electrified, and when the electromagnetic driver is powered off, the electromagnetic driver can stretch out under the action of the reset pressure spring 12, so that the locking piece 2 can be automatically reset. A blocking plate 13 for a blocking engagement with the manual opening device 3 is also provided on the connecting structure. It should be noted that the power mechanism 1 is used for working when the internal pressure of the pressure device reaches a set value, and the internal pressure of the pressure device is related to a plurality of parameters, such as temperature or whether fire is generated, so that by setting a pressure sensor, a temperature sensor, a smoke alarm and the like, the parameter of the pressure can be warned, and if the detected temperature is too high, the internal pressure can be estimated to be changed.
As shown in fig. 1, 5 and 6, the locking member 2 includes a locking lever 21 and a roller 22 provided on the locking lever 21, the axial direction of the roller 22 is perpendicular to the moving direction of the locking lever 21, specifically, a roller shaft 23 is provided on the locking lever 21 in a penetrating manner, and the roller shaft 23 is locked by a locking pin 24 so that the roller shaft 23 can be fixed to the locking lever 21. The roller shaft 23 is provided with a groove, and when the roller 22 is arranged on the roller shaft 23 in a penetrating way, the roller 22 can be fixed on the roller shaft 23 through the installation of the snap spring 25. The end of the locking piece 2, which is close to the power mechanism 1, is also provided with a first connecting ring which is convenient to hinge with a connecting structure on the output shaft. In addition, in order to facilitate the movement of the locking piece 2, a guide seat 26 is fixedly arranged on the mounting plate 41, the guide seat 26 is a guide plate with a U-shaped section, and a sliding rail is arranged on a bottom plate of the guide plate and is used for guiding and matching with the roller 22 to guide and limit the movement of the locking piece 2.
As shown in fig. 1, 3 and 4, the manual opening mechanism 3 includes a rotary shaft for rotary movement and a driving member connected to the rotary shaft, the rotary shaft is penetrated on the mounting substrate, and both ends of the rotary shaft are respectively provided with the driving member and an operation end for manual operation by a person. The manual opening structure further includes an inner wall fixing member 31 fixed inside the top wall or the side wall and an outer wall fixing member 32 fixed outside the top wall or the side wall through which the rotation shaft passes. Since the mounting substrate is fixed on the top wall of the pressure device, that is to say the inner wall fixing member 31 is indirectly fixed on the top wall, the outer wall fixing member 32 is directly welded on the top wall, and for convenience in fitting with the inner wall, the inner wall fixing member is further provided with a mounting flange 311 fitted with the inner wall. In addition, it should be noted that, since the rotating shaft is penetrated on the mounting substrate, in order to facilitate the installation of the rotating shaft, the rotating shaft is separately provided, the rotating shaft includes an upper rotating shaft 331 located outside the mounting substrate and a lower rotating shaft 332 located inside the mounting substrate, the two rotating shafts are coupled by screw threads, and an operating collar 333 is further provided at an end of the upper rotating shaft 331.
As shown in fig. 3 and 4, the driving member is a driving plate 37, the end of the lower rotating shaft 332 is provided with a threaded section, the driving plate 37 is sleeved on the threaded section, and a locking nut is arranged on the threaded section to complete the installation of the driving plate 37. As the rotation shaft rotates, the driving plate 37 also rotates. The driving plate 37 is a sickle-shaped driving plate, the sickle-shaped end of the driving plate 37 is in thrust fit with the baffle 13 on the power mechanism 1, a reset ring 312 is arranged on the inner wall fixing piece 31, the manual opening mechanism 3 further comprises a reset torsion spring 38, and two ends of the reset torsion spring 38 are respectively connected with the reset ring 312 on the inner wall fixing piece 31 and the driving plate 37. The driving plate 37 is used for driving the output shaft 11 of the power mechanism 1, and further indirectly drives the locking piece 2 to move from the locking station to the unlocking station. In order to seal the rotation shaft, a bushing 36 is provided between the lower rotation shaft 332 and the inner wall fixing member 31, which on the one hand seals and on the other hand reduces the friction resistance when the rotation shaft rotates. It is noted that the driving plate 37 and the baffle 13 are made of metal pieces with different materials, the driving plate 37 is made of copper plate, the baffle 13 is made of steel plate, and in the process of impacting the driving plate 37 and the baffle 13, the driving plate 37 is made of soft materials, so that sparks are not easy to impact.
The outer wall fixing piece 32 is welded on the deck, the protective cover 34 is further screwed on the outer wall fixing piece 32, the protective cover 34 shields the rotating shaft penetrating through the outer wall fixing piece 32, the sealing ring 35 is further arranged between the outer wall fixing piece 32 and the protective cover 34, the sealing ring 35 is extruded after the outer wall fixing piece 32 and the protective cover 34 are screwed tightly, and then sealing between the outer wall fixing piece 32 and the protective cover 34 is completed. In addition, in order to prevent the protective cover 34 from being lost during the process of disassembly, a chain 39 is provided to connect the protective cover 34 and the outer wall fixing member 32 together. An equal diameter ring structure is provided at the end of the upper rotating shaft 331 and the end of the shield cover 34, specifically, an operation collar is formed on the upper rotating shaft 331, and a shield cover ring 341 is formed on the shield cover 34, when manual opening is required, the shield cover 34 is detached by first passing a tool through the shield cover ring 341, and then the rotating shaft is operated by continuing to pass the operation collar 333 by using the tool.
In example 2 of the pressure release locking device in the present invention: for the setting of manual opening mechanism, this embodiment proposes a new arrangement form, unlike embodiment 1, in this embodiment, no protective cover is provided anymore, and the rotating shaft is exposed after passing through the outer wall fixing member.
In example 3 of the pressure release locking device in the present invention: in view of the setting of the manual opening mechanism, this embodiment proposes a new arrangement form, unlike embodiment 1, in which no reset torsion spring is provided, and the operator manually resets after use.
In example 4 of the pressure release locking device in the present invention: for setting up of manual opening mechanism, this embodiment proposes a new layout form, and unlike embodiment 1, in this embodiment, the driving piece is the actuating lever, contacts with the baffle on the body of rod of actuating lever, and then drives the baffle and move.
In example 5 of the pressure release locking device in the present invention: as for the arrangement position of the rotation shaft, this embodiment proposes a new arrangement form, unlike embodiment 1, in which the manual opening mechanism, the power mechanism, and the locking member are all arranged outside the pressure device, at which time the rotation shaft no longer passes through the pressure device.
In example 6 of the pressure release locking device in the present invention: for the arrangement of the pressure release locking device, this embodiment proposes a new arrangement form, unlike embodiment 1, in which the pressure release locking device is arranged on the side wall of the pressure apparatus.
In example 7 of the pressure release locking device in the present invention: in view of the arrangement of the baffle, this embodiment proposes a new arrangement, unlike embodiment 1, in which the baffle is arranged on the locking member, and the driving member cooperates with the baffle stopper on the locking member.
In example 8 of the pressure release locking device in the present invention: in view of the arrangement of the pressure release locking device, this embodiment proposes a new arrangement, unlike embodiment 1, in which no standby manual opening mechanism is provided, and only the power mechanism is provided to perform the manipulation of the locking member.
In example 9 of the pressure release locking device in the present invention: in view of the arrangement of the power mechanism, this embodiment proposes a new arrangement form, unlike embodiment 1, in this embodiment, the power mechanism is a pneumatic cylinder or a hydraulic cylinder, and the telescopic movement of the locking member is directly controlled by the power mechanism, so that a reset compression spring is not set any more.
In embodiment 10 of the pressure release locking device of the present invention: for the setting of pressure release locking device, this embodiment proposes a new layout form, unlike embodiment 1 in which the mounting substrate only includes the mounting plate, and no longer provides the welding plate, the mounting plate directly passes through the screw fastener setting on the pressure equipment. Of course, in other embodiments, the mounting substrate may not be provided, and the different components of the pressure relief locking device may be provided on the side wall of the pressure device.
In embodiment 11 of the pressure release locking device in the present invention: for the setting of the pressure release locking device, this embodiment proposes a new arrangement form, unlike embodiment 1, in this embodiment, the pressure release locking device is no longer provided with a guide seat.
In embodiment 12 of the pressure release locking device in the present invention: the embodiment proposes a new arrangement form for the setting of the locking piece, and unlike embodiment 1, the locking piece is a locking rod in this embodiment, no roller is arranged on the locking rod, and locking limiting is performed through the plug-in cooperation of the locking rod and the pressure release cover plate.
The above description is only a preferred embodiment of the present invention, and the patent protection scope of the present invention is defined by the claims, and all equivalent structural changes made by the specification and the drawings of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a pressure release locking device which characterized in that: the pressure release locking device comprises a locking piece (2) which is used for being locked and matched with a pressure release cover plate on pressure equipment, and further comprises a power mechanism (1) which is connected with the locking piece (2) and used for driving the locking piece (2) to do linear motion, wherein the locking piece (2) is provided with a locking station which is locked and matched with the pressure release cover plate and an unlocking station which is used for opening the pressure release cover plate so that the pressure release cover plate can be opened in a motion stroke, and the power mechanism (1) is used for working when the internal pressure of the pressure equipment reaches a set value.
2. The pressure relief locking device of claim 1, wherein: the locking piece (2) comprises a locking rod (21) and a roller (22) arranged on the locking rod (21), and the axial direction of the roller (22) is perpendicular to the movement direction of the locking rod (21).
3. The pressure relief locking device of claim 2, wherein: the pressure release locking device also comprises a guide seat (26) which is in guide fit with the roller (22) of the locking piece (2).
4. A pressure relief locking device according to claim 3, wherein: the pressure relief locking device further comprises a mounting substrate, and the power mechanism (1) and the guide seat (26) are fixedly arranged on the mounting substrate.
5. The pressure relief locking device according to any one of claims 1-4 wherein: the power mechanism (1) is an electromagnetic driver, an output shaft (11) hinged with the locking piece (2) is arranged on the electromagnetic driver, and a reset pressure spring (12) is sleeved on the output shaft (11).
6. The pressure relief locking device according to any one of claims 1-4 wherein: the pressure release locking device further comprises a manual opening mechanism (3), the manual opening mechanism (3) comprises a rotary shaft and a driving piece connected with the rotary shaft, and the driving piece is used for driving the power mechanism (1) and/or the locking piece (2) so that the locking piece (2) moves from the locking station to the unlocking station.
7. The pressure relief locking device of claim 6, wherein: the driving piece is a driving plate (37), and the power mechanism (1) is provided with a baffle plate (13) which is in thrust fit with the driving plate (37).
8. The pressure relief locking device of claim 6, wherein: the rotary shaft is used for penetrating through the top wall or the side wall of the pressure equipment, and the manual opening mechanism (3) comprises an inner wall fixing piece (31) which is used for the rotary shaft to penetrate through and is fixed inside the top wall or the side wall, and an outer wall fixing piece (32) which is fixed outside the top wall or the side wall.
9. The pressure relief locking device of claim 8, wherein: the driving piece is a driving plate (37), a baffle (13) which is matched with the driving plate (37) in a thrust mode is arranged on the power mechanism (1), the manual opening mechanism (3) further comprises a reset torsion spring (38), and two ends of the reset torsion spring (38) are respectively connected with the inner wall fixing piece (31) and the driving plate (37).
10. The pressure relief locking device according to claim 8 or 9, wherein: the outer wall fixing piece (32) is also provided with a protective cover (34) for shielding the end part of the rotating shaft, and the protective cover (34) is in sealing fit with the outer wall fixing piece (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310941844.5A CN117028629A (en) | 2023-07-28 | 2023-07-28 | Pressure release locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310941844.5A CN117028629A (en) | 2023-07-28 | 2023-07-28 | Pressure release locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117028629A true CN117028629A (en) | 2023-11-10 |
Family
ID=88638289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310941844.5A Pending CN117028629A (en) | 2023-07-28 | 2023-07-28 | Pressure release locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117028629A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB197118A (en) * | 1922-03-09 | 1923-05-10 | John Grierson Mcelroy | Improvements in and relating to storm valves and the like |
| DE3412040A1 (en) * | 1984-03-31 | 1985-10-03 | Gebrüder Adams - Armaturen und Apparate GmbH & Co, KG, 4630 Bochum | Shut-off flap for pipe conduits |
| US20100096035A1 (en) * | 2008-10-16 | 2010-04-22 | Honeywell International Inc. | Negative pressure relief valve assembly |
| US20130228242A1 (en) * | 2010-10-22 | 2013-09-05 | Snecma | Controlled isolation valve having reinforced sealing |
| US20180163874A1 (en) * | 2016-12-12 | 2018-06-14 | National Oilwell Varco, L.P. | Pressure Vessel and Door Actuator |
| WO2019063073A1 (en) * | 2017-09-27 | 2019-04-04 | Applied Materials, Inc. | Lock valve for vacuum sealing, vacuum chamber and vacuum processing system |
| CN109863099A (en) * | 2016-09-21 | 2019-06-07 | 托韦斯滕温特有限公司 | The device that offset pressure for closed system impacts |
| CN213655835U (en) * | 2020-10-30 | 2021-07-09 | 湖南长高成套电器有限公司 | Switching station pressure relief device |
-
2023
- 2023-07-28 CN CN202310941844.5A patent/CN117028629A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB197118A (en) * | 1922-03-09 | 1923-05-10 | John Grierson Mcelroy | Improvements in and relating to storm valves and the like |
| DE3412040A1 (en) * | 1984-03-31 | 1985-10-03 | Gebrüder Adams - Armaturen und Apparate GmbH & Co, KG, 4630 Bochum | Shut-off flap for pipe conduits |
| US20100096035A1 (en) * | 2008-10-16 | 2010-04-22 | Honeywell International Inc. | Negative pressure relief valve assembly |
| US20130228242A1 (en) * | 2010-10-22 | 2013-09-05 | Snecma | Controlled isolation valve having reinforced sealing |
| CN109863099A (en) * | 2016-09-21 | 2019-06-07 | 托韦斯滕温特有限公司 | The device that offset pressure for closed system impacts |
| US20180163874A1 (en) * | 2016-12-12 | 2018-06-14 | National Oilwell Varco, L.P. | Pressure Vessel and Door Actuator |
| WO2019063073A1 (en) * | 2017-09-27 | 2019-04-04 | Applied Materials, Inc. | Lock valve for vacuum sealing, vacuum chamber and vacuum processing system |
| CN213655835U (en) * | 2020-10-30 | 2021-07-09 | 湖南长高成套电器有限公司 | Switching station pressure relief device |
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