Safety interlocking device of quick-opening type pressure vessel
By employing an interlocking device combining positioning elements, positioning plates, and electrode plates in a quick-opening pressure vessel, multi-point positioning and locking are achieved, solving the problem of poor locking effect and improving safety and reliability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-03-06
AI Technical Summary
The existing locking mechanism of quick-opening pressure vessels has a simple structure, resulting in poor locking effect.
The interlocking device, which combines positioning components, positioning plates, and electrode plates, achieves multi-point positioning and locking of the door cover by detecting whether the positioning is in place through multi-point positioning and electrode plate group detection, combined with indicator light feedback.
It improves the sealing effect, enhances the safety and reliability of the interlocking, ensures the door is accurately positioned when locked, and enables pressurization operations.
Smart Images

Figure CN223975541U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of quick-opening pressure vessels, and particularly relates to a safety interlock device for quick-opening pressure vessels. Background Technology
[0002] Quick-opening pressure vessels refer to pressure vessels with nested, rapid-sealing locking devices between the end caps or heads of the inlet / outlet passages and the main body. These pressure vessels achieve rapid isolation and connection between the interior and external environment through quick-opening and closing mechanisms, facilitating material handling and equipment maintenance. The interlocking devices include various forms of locking mechanisms and sealing elements used to achieve rapid sealing and locking between the door / head and the shell. Existing locking mechanisms have a simple locking structure and poor locking effect on the vessel lid. Utility Model Content
[0003] In view of the above situation and to overcome the defects of the prior art, this utility model provides a quick-opening pressure vessel safety interlock device.
[0004] The technical solution adopted by this utility model is as follows: a quick-opening door type pressure vessel safety interlock device is configured at the corresponding position of the pressure vessel channel. A mounting plate is circumferentially configured on the edge of the channel outlet. A support body is fixedly arranged on the side of the mounting plate. The door cover is connected to the support body through an interlocking unit. The door cover is used to seal the channel. A positioning plate is configured on the front side of the support body to perform corresponding positioning operations when the door cover closes the channel.
[0005] Furthermore, the interlocking unit includes a lifting column, a positioning component, and an electrode assembly; the lifting column is rotatably mounted on a support body, and a connecting rod is connected to the lifting end of the lifting column, the connecting rod having a predetermined bending angle; the positioning component is an inverted U-shaped component, the top end of which is connected to the extension end of the connecting rod, and a predetermined working distance is provided between the two side walls, the working distance being able to accommodate the mounting plate and the door cover along the thickness, and the corresponding position of the door cover is fixedly configured with the inner side of the first side wall of the positioning component; the first electrode is embedded in the inner side of the second side wall of the positioning component, and the bottom of the embedded position of the electrode is open, and a second electrode electrically connected to the first electrode is disposed at the corresponding position on the rear side of the mounting plate, when the first electrode and the second electrode contact each other, the cover plate overlaps with the mounting plate and closes the channel.
[0006] Furthermore, a support plate is provided at the bottom of the front side of the mounting plate. When the door cover and the mounting plate overlap to close the channel, the support plate provides support for the door cover. A positioning plug is provided at the corresponding position at the bottom of the door cover. A positioning hole is opened at the corresponding position of the support plate for the positioning component to move through. A set of electrically connected electrode plates are embedded in the contact position between the positioning plug and the bottom of the door cover. When the corresponding electrode plates contact each other, the cover plate and the mounting plate overlap and close the channel.
[0007] Furthermore, one end of the positioning plate is damped and rotated on the front side of the support body, and the other end of the positioning plate has a threaded hole. The door cover and the mounting plate have threaded holes at corresponding positions that match the threaded holes of the positioning plate, and can be fixed by bolts.
[0008] Furthermore, the support body can be embedded with an indicator light, which is electrically connected to the corresponding electrode plate group. When the corresponding motor plate group contacts, the corresponding indicator light is lit.
[0009] Furthermore, the second side of the positioning member has an inner and outer double-layer structure, and there is a predetermined gap between the inner and outer double layers, wherein the inner layer is a rubber layer with predetermined toughness.
[0010] The beneficial effects of this utility model after adopting the above structure are as follows: The quick-opening door type pressure vessel safety interlock device proposed by this utility model uses positioning components, positioning plates and positioning clips to perform multi-point positioning when the door cover closes the channel, thereby improving the sealing effect. In addition, an electrode plate group is configured at the positioning point to detect whether the positioning is in place, and then start pressurization and other operations. The door cover locking feedback is provided through indicator lights, and the interlock safety is improved in conjunction with multi-point positioning. Attached Figure Description
[0011] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.
[0012] Figure 1 This is a schematic diagram of the overall structure of a quick-opening pressure vessel safety interlock device proposed in this utility model;
[0013] Figure 2 This is a half-sectional view of a quick-opening pressure vessel safety interlock device proposed in this utility model;
[0014] Figure 3 This is a schematic diagram of the positioning component structure of a quick-opening pressure vessel safety interlock device proposed in this utility model;
[0015] Figure 4 This is a cross-sectional view of the positioning component of a quick-opening pressure vessel safety interlock device proposed in this utility model;
[0016] Figure 5 This is a schematic diagram of the overall structure of a quick-opening pressure vessel safety interlock device proposed in this utility model from another angle.
[0017] Figure 6 This is a schematic diagram of the installation of a quick-opening pressure vessel safety interlock device proposed in this utility model.
[0018] In the attached diagram: 1. Pressure vessel, 2. Channel, 3. Mounting plate, 4. Positioning plate, 5. Support body, 6. Door cover, 7. Lifting column, 8. Connecting rod, 9. Positioning component, 10. First electrode plate, 11. Sealing ring, 12. Second electrode plate, 13. Support plate, 14. Positioning plug, 15. Threaded hole, 16. Indicator light. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0020] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0021] like Figures 1-6 As shown, a quick-opening pressure vessel safety interlock device includes a mounting plate 3 circumferentially arranged at the outlet edge of the pressure vessel 1 channel 2, positioned at a corresponding position. A support body 5 is laterally fixed to the mounting plate 3. A door cover 6 is connected to the support body 5 via an interlocking unit. The door cover 6 seals the channel 2. A positioning plate 4 is positioned on the front side of the support body 5, performing a positioning operation when the door cover 6 closes the channel 2. The door cover 6 is closed via the interlocking unit and the positioning plate 4. After closure, an indicator light 16 provides feedback that the door cover 6 is fully closed, and the pressure vessel 1 can perform corresponding pressurization operations. One end of the positioning plate 4 is damped and rotatably mounted on the front side of the support body 5. The other end of the positioning plate 4 has a threaded hole 15. The door cover 6 and the mounting plate 3 have threaded holes 15 matching the threaded hole 15 of the positioning plate 4, allowing for bolt fixation. When the door cover 6 and the mounting plate 3 overlap to close the outlet of the channel 2, the positioning plate 4 fixes the mounting plate 3 and the door cover 6.
[0022] Specifically, the interlocking unit includes a lifting column 7, a positioning component 9, and an electrode plate assembly. The lifting column 7 is rotatably mounted on the support body 5. The lifting end of the lifting column 7 is connected to a connecting rod 8, which has a predetermined bending angle. The positioning component 9 is an inverted U-shaped component, with its top end connected to the extension end of the connecting rod 8. There is a predetermined working distance between the two side walls. The working distance can accommodate the mounting plate 3 and the cover 6 along its thickness. The cover 6 is fixedly configured with the inner side of the first side wall of the positioning component 9 at the corresponding position. The first electrode plate 10 is embedded in the inner side of the second side wall of the positioning component 9, and the bottom of the embedded position of the electrode plate is open. The second electrode plate 12, which is electrically connected to the first electrode plate 10, is configured at the corresponding position on the rear side of the mounting plate 3. When the first electrode plate 10 and the second electrode plate 12 come into contact, the cover plate overlaps with the mounting plate 3 and closes the channel 2. The lifting end of the lifting column 7 carries the positioning piece 9 and the door cover 6 down through the connecting rod 8 and closes at the exit of the channel 2, coinciding with the mounting plate 3. At this time, the electrode plate group contacts and is energized to provide feedback for the closure. The positioning plate 4 is used to fix and position the door cover 6 and the mounting plate 3, thereby locking the door cover 6. It should be noted that a sealing ring 11 is provided on the inner side of the door cover 6 to seal the channel 2.
[0023] In this embodiment, preferably, the second side of the positioning member 9 has an inner and outer double-layer structure, and there is a predetermined gap between the inner and outer double layers, wherein the inner layer is a rubber layer with predetermined toughness.
[0024] In some preferred embodiments, a support plate 13 is provided at the bottom of the front side of the mounting plate 3. When the door cover 6 overlaps with the mounting plate 3 to close the channel 2, it supports the door cover 6 accordingly. A positioning plug 14 is provided at a corresponding position at the bottom of the door cover 6. A positioning hole for the positioning component 9 to pass through is opened at a corresponding position. A set of electrically connectable electrode plates are embedded in the contact position between the positioning plug 14 and the bottom of the door cover 6. When the corresponding electrode plates contact, the cover plate overlaps with the mounting plate 3 and closes the channel 2. When the electrode plate group of the positioning component 9 contacts, the bottom of the door cover 6 is supported on the support plate 13. The positioning plug is inserted into the support plate 13 through the positioning hole to reposition the door cover 6. At the same time, the bottom of the door cover 6 contacts the electrode plate on the support plate 13, and the corresponding indicator light 16 lights up to indicate that the bottom positioning is complete.
[0025] It should be noted that the support body 5 can be embedded with an indicator light 16, which is electrically connected to the corresponding electrode plate group. When the corresponding motor plate group is in contact, the corresponding indicator light 16 is lit.
[0026] The specific usage is as follows: When it is necessary to close the outlet of channel 2 of pressure vessel 1, the lifting end of the lifting column 7 operates, and the positioning piece 9 and the door cover 6 are lowered via the connecting rod 8. When the lifting column 7 is rotated, the connecting rod 8 rotates the door cover 6 and the positioning piece 9 so that the top of the mounting plate 3 can be accommodated when the positioning piece 9 is lowered. After it continues to lower to the corresponding position, the first electrode plate 10 embedded in the positioning piece 9 contacts the second electrode plate 12 arranged on the rear side of the mounting plate 3. At the same time, when the door cover 6 is lowered, the positioning insert 14 at its bottom penetrates the support plate 13. The positioning hole is provided, and the cover 6 is supported by the support plate 13. At this time, the cover 6 overlaps with the mounting plate 3 and closes the opening of the channel 2 of the pressure vessel 1. The corresponding indicator light 16, which is electrically connected to the electrode plate group, lights up, indicating that the cover 6 is in the correct position. Then, the positioning plate 4 is rotated so that it fits against the outside of the cover 6. The positioning plate 4, the cover 6 and the mounting plate 3 are fixed by bolts and other fasteners. The cover 6 is locked in multiple places by the positioning plug 14 and the positioning piece 9. Combined with the feedback from the indicator light 16, corresponding pressurization and other operations can be performed.
[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents. In summary, if those skilled in the art, inspired by this description, design similar structural methods and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention. Each component of this application can be driven by a corresponding external motor; this is prior art and will not be elaborated upon here.
Claims
1. A quick-opening safety interlock device for a pressure vessel, configured at a corresponding position of a passage of the pressure vessel, characterized in that: The channel outlet edge is circumferentially provided with a mounting plate, the mounting plate is laterally fixedly provided with a support body, a door cover is connected with the support body through an interlocking unit, the door cover is used for sealing the channel, a positioning plate is arranged on the front side of the support body, and corresponding positioning operation is performed when the door cover closes the channel.
2. A quick-opening pressure vessel safety interlock according to claim 1, wherein The interlocking unit comprises: A lifting column is rotationally arranged on the support body, a connecting rod is connected to the lifting end of the lifting column, and the connecting rod has a predetermined bending angle; The positioning member is a reverse U-shaped member, the top end is connected to the extended end of the connecting rod, the both side walls have a predetermined operation distance, the operation distance can accommodate the mounting plate and the door cover along the thickness, and the corresponding position of the door cover is fixedly arranged inside the first side wall of the positioning member; The electrode sheet group is arranged, the first electrode sheet is embedded inside the second side wall of the positioning member, the bottom of the embedded position of the electrode sheet is open, the second electrode sheet electrically connected with the first electrode sheet is arranged at the corresponding position of the rear side of the mounting plate, when the second electrode sheet contacts the first electrode sheet, the cover plate overlaps the mounting plate and closes the channel.
3. A quick-opening pressure vessel safety interlock according to claim 1, wherein: The bottom of the front side of the mounting plate is provided with a supporting plate, when the door cover overlaps the mounting plate to close the channel, corresponding supporting operation is performed on the door cover, the bottom of the door cover is provided with a positioning plug, the supporting plate is provided with a positioning hole for the positioning plug to movably penetrate, and a group of electrically connectable electrode sheets are embedded in the contact position of the positioning plug and the bottom of the door cover, when the corresponding electrode sheets contact, the cover plate overlaps the mounting plate and closes the channel.
4. A quick-opening pressure vessel safety interlock according to claim 1, characterized in that: One end of the positioning plate is rotationally arranged on the front side of the support body, the other end of the positioning plate is provided with a threaded hole, and the door cover and the mounting plate are provided with threaded holes matched with the threaded hole of the positioning plate, and the door cover and the mounting plate are fixed through bolts.
5. A quick-opening pressure vessel safety interlock according to claim 2, wherein: The support body can be embedded with an indicating lamp, the indicating lamp is electrically connected with the corresponding electrode sheet group, and the corresponding indicating lamp is lighted when the corresponding electrode sheet group contacts.
6. A quick-opening pressure vessel safety interlock according to claim 2, wherein: The second side of the positioning member is a double-layer structure, and the double-layer structure has a predetermined gap between the inner layer and the outer layer, and the inner layer is a rubber layer with a predetermined toughness.