CN219827688U - Interlocking device of quick-opening pressure container - Google Patents
Interlocking device of quick-opening pressure container Download PDFInfo
- Publication number
- CN219827688U CN219827688U CN202321182079.5U CN202321182079U CN219827688U CN 219827688 U CN219827688 U CN 219827688U CN 202321182079 U CN202321182079 U CN 202321182079U CN 219827688 U CN219827688 U CN 219827688U
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- Prior art keywords
- bolt
- sleeve
- pressure vessel
- mechanical pin
- container
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- 230000006835 compression Effects 0.000 claims abstract description 19
- 238000007906 compression Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 7
- 230000003068 static effect Effects 0.000 claims description 7
- 230000002159 abnormal effect Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model discloses an interlocking device of a quick-opening pressure container, which comprises a safety bolt assembly, wherein the safety bolt assembly comprises a bolt upper sleeve, a bolt lower sleeve, a mechanical pin which is arranged in the bolt lower sleeve and can axially slide in the bolt upper sleeve and the bolt lower sleeve, and a compression spring which is propped between the bolt lower sleeve and the mechanical pin, wherein the top end of the bolt upper sleeve is provided with an air inlet communicated with a pressure container body. According to the utility model, through the arrangement of the safety bolt component, when the pressure exists in the container, the pressure borne by the built-in mechanical pin is larger than the elasticity of the compression spring, the built-in mechanical pin is inserted into the lock hole of the movable lock plate, the container is locked, and even if the pressure sensor fails or other abnormal working conditions occur at the moment, the power device receives an error signal to open the safety bolt, and the built-in mechanical pin still locks the movable lock plate; only when the pressure in the container is not available, the built-in mechanical pin is under the action of the elastic force of the compression spring, and the built-in mechanical pin is lifted upwards to move out of the lock hole of the movable lock plate, so that the container can be unlocked and opened.
Description
Technical Field
The utility model belongs to the field of interlocking devices, and particularly relates to an interlocking device of a quick-opening pressure container.
Background
The quick-opening pressure container is one pressure container with one end cover locking part capable of being opened or closed after one continuous action without need of tightening bolts one by one. The quick-opening pressure vessel has very wide application and is widely applied to autoclaves, sterilization pots, vulcanizing tanks and the like.
The safety interlocking device is an indispensable device in a quick-opening door structure of the container, and the existing safety interlocking device generally adopts a pressure sensor to monitor the pressure in the pressure container so as to transmit signals and drive a power device to operate. For example, chinese patent application No. 201210428441.2 discloses a safety interlock for pressure vessel, including a pair of barrel lock plate fixed on the barrel flange, the container door lock plate of being fixed in on the container door flange, container door lock plate card locates between a pair of barrel lock plate, and the lock plate all is equipped with the pinhole, and the relief pin is connected with the pinhole cooperation, and power device and relief pin drive are connected. The device realizes the locking of lock plate through the cotter pin cooperation pinhole to guarantee the normal operating of whole pressure vessel. However, if the pressure sensor fails in use, normal pressure signals cannot be given, and the electromagnetic valve fails or other abnormal working conditions can cause the container to be opened under the pressure working conditions, so that certain potential safety hazards exist.
Disclosure of Invention
The utility model aims to: the utility model aims to solve the technical problem of providing an interlocking device of a quick-opening pressure container by combining a mechanical instrument and mechanical control.
The technical scheme is as follows: the utility model relates to an interlocking device of a quick-opening pressure container, which comprises a safety bolt component for limiting the rotation of a tooth-meshing type clamp, wherein the safety bolt component comprises a bolt upper sleeve, a bolt lower sleeve which is in matched connection with the bolt upper sleeve, a mechanical pin which is arranged in the bolt lower sleeve and can axially slide in the bolt upper sleeve and the bolt lower sleeve, and a compression spring which is propped between the bolt lower sleeve and the mechanical pin;
an air inlet hole is formed in the top end of the upper sleeve of the plug pin, and the air inlet hole is communicated with the pressure container body.
Furthermore, the lower plug pin sleeve and the mechanical pin of the interlocking device are both provided with step surfaces, the upper end of the compression spring is arranged on the step surfaces of the mechanical pin, and the other end of the compression spring is propped against the bottom end of the lower plug pin sleeve.
Further, the lower sleeve of the bolt of the interlocking device is provided with an air hole communicated with the atmosphere.
Further, the interlocking device also comprises a power device which is arranged on the pressure vessel body and used for driving the safety bolt component to move up and down.
Further, the upper sleeve of the bolt of the interlocking device comprises an upper shell and an upper cover arranged at the top end of the upper shell, the air inlet hole is arranged on the upper cover, the upper shell is connected with a connecting plate with a connecting hole, and the connecting plate is connected with the power device for driving.
Further, the connecting plate of the interlocking device is fixedly connected with the upper shell through a rib plate.
Further, the lower sleeve of the bolt of the interlocking device comprises a lower shell and a lower cover arranged at the bottom end of the lower shell, the air holes are arranged on the lower shell, and the lower cover is provided with guide holes for sliding of the mechanical pins.
Further, the tooth-meshing type clamp of the interlocking device is used for screwing the tooth-meshing type flange arranged on the pressure vessel body with the tooth-meshing type end socket, a static locking plate with a counter bore is arranged on the tooth-meshing type flange, a movable locking plate with a locking hole is arranged on the tooth-meshing type clamp, and the safety bolt component penetrates through the static locking plate.
Further, a groove is arranged on the inner side wall of the lower plug pin sleeve of the interlocking device, and an O-shaped ring is arranged in the groove.
Furthermore, the upper bolt sleeve and the lower bolt sleeve of the interlocking device are connected by adopting a sealing pipe thread, and the other side of the sealing pipe thread is provided with a flat groove for tightening.
The beneficial effects are that: compared with the prior art, the utility model has the advantages that: the interlocking device is arranged through the safety bolt component, so that when pressure exists in the container, the pressure born by the built-in mechanical pin is larger than the elasticity of the compression spring, and the built-in mechanical pin is inserted into the lock hole of the movable lock plate, and the container is locked at the moment. Even if the pressure sensor fails or the electromagnetic valve fails and other abnormal working conditions occur, the power device receives an error signal to open the safety bolt, and the built-in mechanical pin still locks the movable locking plate; only when the inside of the container has no pressure, the built-in mechanical pin is under the action of the elasticity of the compression spring, and the lock hole of the movable lock plate is lifted upwards to be moved out, so that the container can be unlocked and opened at the moment, and the safety of the quick-opening pressure container in the use process is improved. The interlocking device realizes more reliable safety interlocking in a small and simple structure by combining automatic instrument control and mechanical control.
Drawings
FIG. 1 is an exploded schematic view of a three-dimensional structure of an interlock device and pressure vessel of the present utility model in combination;
FIG. 2 is a schematic cross-sectional view of the interlock device and pressure vessel mated;
FIG. 3 is an exploded schematic view of a safety interlock assembly of the present utility model.
Detailed Description
The technical scheme of the utility model is further described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the interlock device of the present utility model is suitable for use with a quick-opening pressure vessel. The quick-opening pressure vessel body 8 is fixedly provided with a tooth-meshing flange 17, the tooth-meshing flange 17 and a tooth-meshing seal head 18 are opened and closed through quantitative rotation of the tooth-meshing clamp 1, an O-shaped ring groove is formed in the tooth-meshing seal head 18, and an O-shaped ring 21 is arranged in the groove.
The interlocking device comprises a tooth-engaged clamp 1 provided with a movable locking plate 20 and a safety pin assembly 2 for limiting the rotation of the tooth-engaged clamp 1. A lock hole is arranged on the movable lock plate 20 on the tooth-meshing type clamp 1. The tooth-meshed flange 17 is provided with a static locking plate 19, and the static locking plate 19 is provided with a counter bore. The safety latch component 2 passes through the static lock plate 19 and is matched with a lock hole on the movable lock plate 20, so that the limit and the limit release of the tooth-meshing type clamp 1 are realized.
As shown in fig. 3, the safety latch assembly 2 includes a latch upper sleeve 3 formed by an upper shell 11 and an upper cover 12 located at the top end of the upper shell 11, a latch lower sleeve 4 formed by a lower shell 15 and a lower cover 16 located at the bottom end of the lower shell 15, and a groove is formed in the inner side wall of the upper end of the latch lower sleeve 4, and an O-ring 21 is arranged in the groove. The bolt upper sleeve 3 and the bolt lower sleeve 4 can be connected by adopting matched sealing pipe threads, and the other sides of the sealing pipe threads of the two can be provided with flat grooves for tightening. The bolt upper sleeve 3 and the bolt lower sleeve 4 are provided with matched sealing pipe threads and flat grooves for tightening, so that the O-shaped ring 21 and the compression spring 6 which are aged can be detached and replaced in the later period are more convenient.
A mechanical pin 5 is arranged between the pin sleeve 3 and the pin lower sleeve 4, and a guiding hole is formed in a lower cover 16 of the pin lower sleeve 3, so that the mechanical pin 5 can be axially matched in a sliding manner, the mechanical pin 5 is inserted into or moved out of a lock hole of the movable lock plate 20, and the tooth-meshing type clamp 1 is limited and released. A compression spring 6 is also abutted between the lower plug bush 4 and the mechanical pin 5, and the axial sliding of the mechanical pin 5 is realized by virtue of the air pressure in the pressure container body 8 and the action of the compression spring 6.
The upper cover 12 of the plug pin sleeve 3 is provided with an air inlet 7, and the air inlet 7 is communicated with the pressure container body 8 through an air pipe 22. The lower shell 15 of the lower plug bush 4 is provided with an air hole 9 communicated with the atmosphere. The lower plug bush 4 and the mechanical pin 5 are provided with step surfaces to limit the mechanical pin 5. The upper end of the compression spring 6 is arranged on the step surface of the mechanical pin 6, and the other end of the compression spring is propped against the bottom end of the lower plug pin sleeve 4.
The plug pin sleeve 3 is communicated with the inner cavity of the pressure vessel body 8 through the air pipe 22, when the pressure exists in the pressure vessel body 8, the pressure born by the built-in mechanical pin 5 is larger than the elasticity of the compression spring 6, and the built-in mechanical pin 5 is inserted into the lock hole of the movable lock plate 20, so that the pressure vessel is locked. Even if the pressure sensor fails, or the electromagnetic valve fails or other abnormal working conditions occur, the power device 10 receives an error signal to open the safety bolt, and the built-in mechanical pin 5 still locks the movable lock plate 20. When the pressure vessel body 8 is not pressurized, the built-in mechanical pin 5 is lifted upwards under the action of the elastic force of the compression spring 6 to move out of the lock hole of the lock plate 20, and the pressure vessel can be unlocked and opened at the moment, so that the safety interlocking function of combining the automatic instrument control and the mechanical control is realized.
Based on the implementation of the principle, the linkage device further comprises a power device 10 arranged on the pressure vessel body 8 for driving the safety latch assembly 2 to move up and down, and preferably, the power device 10 can be an air cylinder, a hydraulic cylinder or an electric cylinder. The locking hole of the movable locking plate 20 can be a T-shaped hole for accommodating the lower plug bush 4 and the mechanical pin 5, or a hole with a diameter larger than or equal to the diameter of the lower plug bush 4, and the distance for the power device 10 to move up the safety plug pin assembly 2 is smaller than the length of the mechanical pin 5 inserted into the locking hole. At this time, under the driving of the power device 10, the lower plug pin sleeve 4 is inserted into the lock hole to lock the pressure container, and at this time, pressure exists in the pressure container, and the mechanical pin 5 is inserted into the lock hole of the movable lock plate 20 under the pushing of the pressure, even if the pressure sensor fails at this time, or when the electromagnetic valve fails and other abnormal working conditions, the power device 10 receives an error signal to move the safety plug pin upwards, and the built-in mechanical pin still locks the movable lock plate 20.
When the pressure in the container is not applied, the built-in mechanical pin is under the action of the elastic force of the compression spring 6, and moves upwards out of the lock hole of the movable lock plate 20 under the action of the power device 10, at the moment, the pressure container can be unlocked and opened, and the sum of the upward moving distance of the mechanical pin 5 and the upward moving distance of the safety pin component 2 is larger than the length of the mechanical pin 5 inserted into the lock hole.
Claims (10)
1. An interlocking device of a quick-opening pressure container is characterized in that: the interlocking device comprises a safety bolt component (2) for limiting the rotation of a tooth-meshing type clamp (1), wherein the safety bolt component (2) comprises a bolt lower sleeve (4) which is connected with the bolt upper sleeve (3) in a matched manner, a mechanical pin (5) which is arranged in the bolt lower sleeve (4) and can axially slide in the bolt upper sleeve (3) and the bolt lower sleeve (4), and a compression spring (6) which is propped between the bolt lower sleeve (4) and the mechanical pin (5);
an air inlet hole (7) is formed in the top end of the upper plug pin sleeve (3), and the air inlet hole (7) is communicated with the pressure container body (8).
2. The quick door pressure vessel interlock of claim 1 wherein: the lower plug pin sleeve (4) and the mechanical pin (5) are respectively provided with a step surface, the upper end of the compression spring (6) is arranged on the step surface of the mechanical pin (5), and the other end of the compression spring is propped against the bottom end of the lower plug pin sleeve (4).
3. The quick door pressure vessel interlock of claim 1 wherein: the lower sleeve (4) of the bolt is provided with an air hole (9) communicated with the atmosphere.
4. The quick door pressure vessel interlock of claim 1 wherein: the interlocking device also comprises a power device (10) which is arranged on the pressure vessel body (8) to drive the safety bolt component (2) to move up and down.
5. The quick door pressure vessel interlock of claim 4 wherein: the plug pin sleeve (3) comprises an upper shell (11) and an upper cover (12) arranged at the top end of the upper shell (11), the air inlet hole (7) is arranged on the upper cover (12), the upper shell (11) is connected with a connecting plate (13) with a connecting hole, and the connecting plate (13) is connected with the power device (10) for driving.
6. The quick door pressure vessel interlock of claim 5 wherein: the connecting plate (13) is fixedly connected with the upper shell (11) through a rib plate (14).
7. The quick door pressure vessel interlock of claim 3 wherein: the lower plug pin sleeve (4) comprises a lower shell (15) and a lower cover (16) arranged at the bottom end of the lower shell (15), the air holes are formed in the lower shell (15), and guide holes for sliding of the mechanical pins (5) are formed in the lower cover (16).
8. The quick door pressure vessel interlock of claim 1 wherein: the tooth-meshing type clamp (1) is used for screwing a tooth-meshing type flange (17) arranged on the pressure vessel body (8) with a tooth-meshing type seal head (18), a static lock plate (19) with a counter bore is arranged on the tooth-meshing type flange (17), a movable lock plate (20) with a lock hole is arranged on the tooth-meshing type clamp (1), and the safety plug pin assembly (2) penetrates through the static lock plate (19).
9. The quick door pressure vessel interlock of claim 1 wherein: the inner side wall of the lower plug pin sleeve (4) is provided with a groove, and an O-shaped ring (21) is arranged in the groove.
10. The quick door pressure vessel interlock of claim 1 wherein: the upper bolt sleeve (3) and the lower bolt sleeve (4) are connected by adopting a sealing pipe thread, and a flat groove for tightening is formed in the other side of the sealing pipe thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321182079.5U CN219827688U (en) | 2023-05-17 | 2023-05-17 | Interlocking device of quick-opening pressure container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321182079.5U CN219827688U (en) | 2023-05-17 | 2023-05-17 | Interlocking device of quick-opening pressure container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219827688U true CN219827688U (en) | 2023-10-13 |
Family
ID=88276684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321182079.5U Active CN219827688U (en) | 2023-05-17 | 2023-05-17 | Interlocking device of quick-opening pressure container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219827688U (en) |
-
2023
- 2023-05-17 CN CN202321182079.5U patent/CN219827688U/en active Active
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