CN208089931U - A kind of safety interlock device of quick actuating closure device - Google Patents
A kind of safety interlock device of quick actuating closure device Download PDFInfo
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- CN208089931U CN208089931U CN201820458585.5U CN201820458585U CN208089931U CN 208089931 U CN208089931 U CN 208089931U CN 201820458585 U CN201820458585 U CN 201820458585U CN 208089931 U CN208089931 U CN 208089931U
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- safety interlock
- bourdon tube
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- bolt
- connecting rod
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Abstract
A kind of safety interlock device of quick actuating closure device of the application, including:Lock ring compensation mechanism, elastic compensating mechanism and safety interlock for overhead, under pressure-increasning state, the bourdon tube drives the safety interlock for overhead movement, so that the safety interlock for overhead is located at locked position, and the lock ring compensation mechanism is made to be fixed on sealing station, under pressure release state, the bourdon tube drives the safety interlock for overhead to restPose, so that the safety interlock for overhead is located at unlocked position, and the lock ring compensation mechanism is made to be detached from sealing station.
Description
Technical field
This application involves the safety interlock field of the special equipments such as inflammable, explosive, more particularly to a kind of quick operating valve peace
Full interlock.
Background technology
In the corollary equipments such as pressure vessel, pressure pipeline, quick operating valve be it is a kind of being commonly quickly turned on and off device,
It is issued according to State General Administration for Quality Supervision《Fixed safe technology of pressure vessel Supervision Code》In the 3.2.16 articles regulation:" design
When fast opening type pressure container, safety interlock should be arranged in designer ", " safety interlock should meet claimed below:
(1) position is closed when quick operating valve reaches predetermined, it can booste operation;It (2), can when the internal pressure of pressure vessel discharges completely
Open quick operating valve ".
The country fully meets the safety interlock of above-mentioned requirements at present, and the mode for being generally used electrical control is realized,
It needs to be equipped with power supply system and corresponding control system, inflammable, the explosive industry for natural gas etc., there are some device contexts not to have
Have that power supply leads to not to use and electrical equipment need to consider explosion-proof, leads to problems such as cost higher.
Invention content
In view of this, this application provides a kind of safety interlock device of quick actuating closure device, position is closed when quick operating valve reaches predetermined,
Can booste operation can open quick operating valve when the internal pressure of pressure vessel discharges completely, be operating personnel, ambient enviroment
And pressure vessel provides security protection.
In order to achieve the above objectives, the technical solution of the embodiment of the present application is realized in:
The embodiment of the present application discloses a kind of safety interlock device of quick actuating closure device, including:
Lock ring compensation mechanism, elastic compensating mechanism and safety interlock for overhead, wherein
The elastic compensating mechanism includes release bolt and bourdon tube;
The lock ring compensation mechanism is socketed on the bolt of releasing,
The first end of the bolt of releasing is installed on the quick operating valve by screw thread,
The first end of the bourdon tube is fixedly installed in the bolt of releasing, the bourdon tube with inside the bolt of releasing
The pressure Transfer pipe of setting is connected,
The second end of the bourdon tube is connect with the safety interlock for overhead;
Under pressure-increasning state, the bourdon tube drives the safety interlock for overhead movement so that the safety interlock for overhead position
In locked position, and the lock ring compensation mechanism is made to be fixed on sealing station,
Under pressure release state, the bourdon tube drives the safety interlock for overhead to restPose so that the safety connection
Latch mechanism is located at unlocked position and in the unlocked state, and the lock ring compensation mechanism is made to be detached from sealing station.
Optionally, the safety interlock for overhead includes first connecting rod, crank, second connecting rod,
The first end of the first connecting rod is connect with the second end of the bourdon tube,
The second end of the first connecting rod is connect with the first connecting pin of the crank,
The first end of the second connecting rod and second end, the first end of the first connecting rod of the bourdon tube are hinged,
The second end of the second connecting rod is removably mounted to the quick operating valve,
The second connection end of the crank is flexibly connected with the second end of the second connecting rod,
Third connecting pin and the quick operating valve between the first connecting pin of the crank and second connection end is hinged.
Optionally, the second end of the first connecting rod is connect by axis pin with the first connecting pin of the crank.
Optionally, the safety interlock for overhead further includes rotary shaft, and the rotary shaft is fixedly installed in the quick operating valve, institute
The third connecting pin for stating crank is hinged by the rotary shaft and the quick operating valve.
Optionally, the second connection end of the crank is provided with sliding slot.
Optionally, the sliding slot is arc, and one end of the sliding slot is provided with enlarged opening, and the sliding slot connects with described second
The second end of bar is flexibly connected;
Under pressure-increasning state, resilient movement occurs under the effect of the pressure for the bourdon tube, and the first of the crank is driven to connect
End movement is connect, first connecting pin drives the sliding slot of the second connection end of the crank to move so that the sliding slot is moved to
The locked position realizes that the safety interlock for overhead is in locking state;
Under pressure release state, the bourdon tube restores with pressure reduction to original state, the first connecting pin of the crank with
It is moved with the bourdon tube, first connecting pin drives the sliding slot of the second connection end of the crank to move so that the cunning
Slot is moved to unlocked position, realizes that the safety interlock for overhead is in the unlocked state.
Optionally, the contact jaw for releasing bolt and the quick operating valve is provided with sealing ring.
Optionally, the screw thread outer ring of the bolt of releasing is provided at least one pressure bleed passage.
Optionally, the first end of the bourdon tube is fixedly installed in the bolt of releasing by connector.
Optionally, the safety interlock device of quick actuating closure device further includes handle, and the handle is movably arranged on the spiral shell of releasing
In the handle hole of the bolt other end.
A kind of safety interlock device of quick actuating closure device of the application, using spring tube structure, under pressure-increasning state, the bourdon tube hair
Raw position movement so that the safety interlock for overhead being connect with the second end of the bourdon tube is in locking state, described to let out
Putting bolt and the bourdon tube can not rotate, and be socketed on the lock ring compensation mechanism of the bolt of releasing and can not take out, with regard to nothing
Method opens quick operating valve;Under pressure release state, the bourdon tube restores unlocked position so that is connect with the second end of the bourdon tube
The safety interlock for overhead is in the unlocked state, and release bolt and the bourdon tube rotation dismounting are socketed on described release
The lock ring compensation mechanism of bolt takes out, you can quick operating valve is opened, it is such simple in structure, and it is easy to operate, securely and reliably, and
Cost is relatively low.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram for safety interlock device of quick actuating closure device that one embodiment of the application provides;
Fig. 2 is the part enlarged structure schematic diagram for the safety interlock for overhead that one embodiment of the application provides;
Fig. 3 is a kind of assembling structure schematic diagram for safety interlock device of quick actuating closure device that one embodiment of the application provides;
Fig. 4 is the structural schematic diagram after a kind of safety interlock device of quick actuating closure device pressure release that one embodiment of the application provides.
In figure:1- releases bolt;2- lock ring compensation mechanisms;3- bourdon tubes;4- second connecting rods;5- cranks;6- rotary shafts;7-
Axis pin;8- first connecting rods;9- sealing rings;10- handles;11- quick operating valves;12- pressure Transfer pipes;The first connecting pins 13-;14-
Second connection end;15- thirds connecting pin;16- sliding slots;17- enlarged opening;18- handle holes;19- connectors;20- compensation blocks, 21-
Link block.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, technical solutions in the embodiments of the present application is clearly and completely described.Obviously, described embodiment is
A part of the embodiment of the application, rather than whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art
The every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
In this application, " first ", " second ", " third " etc. are only used for mutual differentiation, rather than indicate significance level and
Sequentially and each other existing premise etc..
The specific implementation mode of the application is described below in conjunction with the accompanying drawings.
Referring to Fig. 1, one embodiment of the application provides a kind of safety interlock device of quick actuating closure device, including:
Lock ring compensation mechanism 2, elastic compensating mechanism and safety interlock for overhead, wherein
The elastic compensating mechanism includes release bolt 1 and bourdon tube 3,
The lock ring compensation mechanism is socketed on the bolt 1 of releasing,
The first end of the bolt 1 of releasing is installed on the quick operating valve 11 by screw thread,
The first end of the bourdon tube 3 is fixedly installed in the bolt 1 of releasing, the bourdon tube 3 and the bolt 1 of releasing
The pressure Transfer pipe 12 of inside setting is connected, and forms pressure chamber,
The second end of the bourdon tube 3 is connect with the safety interlock for overhead;
Under pressure-increasning state, pressure is added from the pressure Transfer pipe 12 that 1 inside of bolt is arranged of releasing to the bourdon tube 3
Resilient movement occurs under the effect of the pressure for pressure, the bourdon tube 3, and the bourdon tube 3 drives the safety interlock for overhead to move,
So that the safety interlock for overhead is located at locked position, and the lock ring compensation mechanism 2 is made to be fixed on specified sealing station, institute
State sealing station be so that the quick operating valve 11 seal, can not open position, 3 nothing of bolt 1 and the bourdon tube of releasing
Method rotation dismounting, being socketed on the lock ring compensation mechanism 2 of the bolt 1 of releasing can not take out, and the quick operating valve 11 just can not
It opens;
Under pressure release state, the bourdon tube 3 drives the safety interlock for overhead to restPose so that with the spring
The safety interlock for overhead of the second end connection of pipe 3 is in the unlocked state, and the disengaging of lock ring compensation mechanism 2 is made to specify
Sealing station, release bolt 1 and the rotation dismounting of the bourdon tube 3, is socketed on the lock ring compensation of the bolt 1 of releasing
Mechanism 2 can take out, and the quick operating valve 11 can then be opened, wherein the original state is the institute under non-pressure state
It is stateful.
In the embodiment of the present application, C-spring pipe may be used in the bourdon tube 3.Under pressure-increasning state, the bourdon tube 3 exists
It is moved counterclockwise under the action of pressure, the second end running orbit near linear of the bourdon tube 3, the bourdon tube 3 drives institute
It states safety interlock for overhead one end to move counterclockwise, the other end of the safety interlock for overhead moves clockwise, joins the safety
Latch mechanism generates the effect of limit, and the bolt 1 of releasing, bourdon tube 3 can not rotate dismounting, is set in the bolt 1 of releasing
The lock ring compensation mechanism 2 can not take out, and cannot achieve the opening door operation of quick operating valve 11;Under pressure release state, the bourdon tube 3 exists
It is moved clockwise under non-pressure state, one end of the safety interlock for overhead is driven to move clockwise, the safety interlock for overhead
The other end move counterclockwise, the bolt 1 of releasing, bourdon tube 3 can rotate dismounting, be set in the lock of the bolt 1 of releasing
Ring compensation mechanism 2 can take out the opening door operation, it can be achieved that quick operating valve 11.Safety interlock device of quick actuating closure provided by the embodiments of the present application
Apparatus structure is simple, easy to operate, securely and reliably.
Referring to Fig. 1, Fig. 2, in the embodiment of the present application, the safety interlock for overhead includes that first connecting rod 8, crank 5, second connect
Bar 4,
The first end of the first connecting rod 8 is connect with the second end of the bourdon tube 3,
The second end of the first connecting rod 8 is connect with the first connecting pin 13 of the crank 5,
The first end of the second connecting rod 4 and second end, the first end of the first connecting rod 8 of the bourdon tube 3 are hinged,
The second end of the second connecting rod 4 is removably mounted to the quick operating valve 11,
The second connection end 14 of the crank 5 is flexibly connected with the second end of the second connecting rod 4,
It is opened soon with described third connecting pin 15 between the first connecting pin 13 of the crank 5 and second connection end 14
Door 11 is hinged.
Optionally, the second end of the first connecting rod 8 is connect by axis pin 7 with the first connecting pin 13 of the crank 5;It is logical
The connection of axis pin 7 is crossed, the first connecting pin 13 of the crank 5 can be based on 8 activity of the first connecting rod.
Optionally, the safety interlock for overhead further includes rotary shaft 6, and the rotary shaft 6 is fixedly installed in the quick operating valve
11, the third connecting pin 15 of the crank 5 is hinged by the rotary shaft 6 and the quick operating valve 11;In practical application, the song
The first connecting pin 13, second connection end 14 and the third connecting pin 15 of handle 5 are three be arranged on the integrated crank 5
Endpoint, wherein 15 movable set of third connecting pin of the crank 5 is in the rotary shaft 6.
Optionally, the second connection end 14 of the crank 5 is provided with sliding slot 16, and the sliding slot 16 can be arc.Sliding slot
16 one end is provided with enlarged opening 17, in the case where the enlarged opening 17 accommodates the second end of the second connecting rod 4, described
The second end of two connecting rods 4 is removably mounted in the location hole of the quick operating valve 11, realizes that the sliding slot 16 connects with described second
The second end of bar 4 is flexibly connected, wherein the enlarged opening 17 accommodates the case where second end of the second connecting rod 4 i.e. described the
The second end of two connecting rods 4 is located at the case where enlarged opening 17.
In the embodiment of the present application, the locator that both ends carry axis pin, second connecting rod 4 may be used in the second connecting rod 4
The axis pin of first end be used for and the second end of the bourdon tube 3, the first end of the first connecting rod 8 are movably hinged, second connects
The axis pin of the second end of bar 4 is plugged in quick operating valve in the case where the enlarged opening 17 accommodates the second end of the second connecting rod 4
In 11 location hole, under passive state, being inserted into sliding slot 16 by the enlarged opening 17, realize and the sliding slot 16
Flexible connection.
Referring to Fig. 1, Fig. 3, resilient movement occurs under the effect of the pressure for the bourdon tube 3, drives the first of the crank 5
Connecting pin 13 is moved, and first connecting pin 13 drives the sliding slot 16 of the second connection end 14 of the crank 5 to move so that described
Sliding slot 16 is moved to the locked position, realizes that the safety interlock for overhead is in locking state.
I.e. under pressure-increasning state, pressure is pressurizeed from the pressure Transfer pipe 12 that 1 inside of bolt is arranged of releasing to bourdon tube 3, bullet
Reed pipe 3 is mobile counterclockwise under the effect of the pressure, and the bourdon tube 3 drives the first connecting rod 8 to move, the first connecting rod 8
The first connecting pin 13 of the crank 5 is driven to move, first connecting pin 13 drives the sliding slot 16 of the second connection end 14
Rotary shaft 6 around third connecting pin 15 is mobile clockwise, is moved to locked position, wherein the locked position is described second
The second end of connecting rod 4 is located at the position in addition to the enlarged opening 17 in the sliding slot 16.
In the case where the sliding slot 16 is moved to locked position, second end of the sliding slot 16 to the second connecting rod 4
Limiting locking effect is generated, the second end of the second connecting rod 4 can not be extracted from locked position, the second connection of the crank 5
End 14 can not be detached with the second end of the second connecting rod 4 so that the bolt 1 of releasing, the bourdon tube 3 cannot be with described the
The first ends of two connecting rods 4 detaches, described to release bolt 1 and the bourdon tube 3 rotate dismounting, be socketed on described in release bolt
1 lock ring compensation mechanism 2 can not take out, and realize that the safety interlock for overhead is in locking state, operating personnel can not just open
Quick operating valve 11.In the embodiment of the present application, moving direction and the second connection end 14 of the first connecting pin 13 of the crank 5
Moving direction is opposite.
Referring to Fig. 1, Fig. 4, the bourdon tube 3 restores with pressure reduction to original state, the first connecting pin of the crank 5
13 follow the bourdon tube 3 to move, and first connecting pin 13 drives the sliding slot 16 of the second connection end 14 of the crank 5 to move
It is dynamic so that the sliding slot 16 is moved to unlocked position, realizes that the safety interlock for overhead is in the unlocked state.
I.e. under pressure release state, the bourdon tube 3 moves clockwise with the reduction of pressure to be restored to original state, the spring
Pipe 3 drives the first connecting rod 8 to move, and the first connecting rod 8 drives the first connecting pin 13 of the crank 5 to move, and described the
One connecting pin 13 drives rotary shaft 6 counterclockwise needle of the sliding slot 16 of the second connection end 14 around third connecting pin 15 to move, and moves
It moves to unlocked position, wherein the unlocked position is that the second end of the second connecting rod 4 is housed inside the amplification of the sliding slot 16
Position in hole.
If in the case that the sliding slot 16 is moved to unlocked position, the second end of the second connecting rod 4 can pass through amplification
Hole 17 is taken out, and the second connection end 14 of the crank 5 can be detached with the second end of the second connecting rod 4, the second connecting rod 4
First end can be detached with the second end of the first end of the first connecting rod 8 and the bourdon tube 3, the bolt 1 of releasing, institute
Stating bourdon tube 3 can detach with the first connecting rod 8 so that and it is described to release bolt 1 and the bourdon tube 3 rotate dismounting,
Being socketed on the lock ring compensation mechanism 2 of the bolt 1 of releasing can take out, and operator can open quick operating valve 11.
In the embodiment of the present application, the enlarged opening 17 of the sliding slot 16 is moved to the second end for accommodating the second connecting rod 4
Position includes the position when second end of the enlarged opening 17 and the second connecting rod 4 is located at coaxial.
Referring to Fig. 3, in one embodiment of the application, the contact jaw of release bolt 1 and the quick operating valve 11 is provided with close
Seal 9;The sealing ring 9 includes but not limited to use O-ring seal, makes pressure Transfer pipe 12 and external better tightness,
Prevent medium leakage from causing environmental pollution.
In the embodiment of the present application, the safety interlock device of quick actuating closure device further includes handle 10,10 activity installation of the handle
In the handle hole 18 for releasing 1 other end of bolt;The top for releasing bolt 1 is provided with handle hole 8 and facilitates insertion hand
Handle 10, using handle 10 can it is more laborsaving, efficiently take out bolt 1, the bourdon tube 3 and being set in of releasing under pressure release state and let out
Put the lock ring compensation mechanism 2 of bolt 1 so that operating personnel can open quick operating valve 11.
Referring to Fig. 1, Fig. 3, in one embodiment of the application, the first end of the bourdon tube 3 is fixedly mounted by connector 19
In the bolt 1 of releasing, setting connector 19 is that bourdon tube 3 is connect with bolt 1 of releasing for convenience, in practical application, connection
One end of part 19 is welded in bolt 1 of releasing, and the other end of connector 19 is welded in bourdon tube 3.
In one embodiment of the application, the screw thread outer ring of the bolt 1 of releasing is provided at least one pressure bleed passage, should
Pressure bleed passage is residual voltage leakage path, and in the case of ensureing pressure release, pressure can be drained all, ensure that operating personnel's
Personal safety.
Referring to Fig. 3, in one embodiment of the application, the lock ring compensation mechanism 2 includes compensation block 20 and link block 21, described
Compensation block 20 is fixedly connected with the link block 21, and the link block 21 is sleeved on the first end of the bolt 1 of releasing.
Referring to Fig. 1-Fig. 4, one embodiment of the application provide a kind of safety interlock device of quick actuating closure device by following step into
Luggage is matched.
Step 1:First in the state that container internal pressure is zero, lock ring compensation mechanism 2 is set in bolt 1 of releasing,
Lock ring compensation mechanism 2 is positioned over to the specified sealing station of quick operating valve, the bolt 1 that then will release is installed on quick operating valve by screw thread
11, the first end of bourdon tube 3 is fixed together by connector 19 and bolt 1 of releasing, and is passed by the pressure for bolt 1 of releasing
Channel 12 and container inner straight are sent, pressure chamber is formed, and sealing ring 9 is set between bolt 1 and quick operating valve 11 releasing, makes
It obtains and is fully sealed with outside inside pressure chamber, prevent dielectric leakage from causing environmental pollution.
Step 2:It (can be obtained in practical applications by theoretical calculation designated position in the designated position of quick operating valve 11
) welding rotary shaft 6, the third connecting pin 15 of crank 5 is set in rotary shaft 6, the first connecting pin 13 of crank 5 and first connecting rod
8 second end is hinged, forms the enlarger to the resilient movement of bourdon tube 3.
Step 3:In the sliding slot of the second connection end 14 of crank 5 be fixedly plugged on the quick operating valve 11 second connect
The second end of bar 4 is flexibly connected, and the first end of first connecting rod 8 is cut with scissors by the first end of second connecting rod 4 and the second end of bourdon tube 3
It connects, the enlarged opening 17 is located at the position for the second end for accommodating the second connecting rod 4, forms whole safety interlock device of quick actuating closure device
Unlocked position, at this time safety interlock device of quick actuating closure device install, container can boost.
The application uses spring tube structure, is lifted using internal pressure, causes 3 resilient movement of bourdon tube, by joining safely
The amplification of latch mechanism makes the runner movement track of the second connection end 14 of crank 5 skim over the second end of second connecting rod 4.By
In the limit function of second connecting rod 4, when internal pressure is more than zero, crank 5 slips away unlocked position, to the second of second connecting rod 4
End generates the effect of limiting locking, and second connecting rod 4 can not be removed, while bolt 1 of releasing can not unclamp, 2 nothing of lock ring compensation mechanism
Method is removed, and operating personnel also can not just open quick operating valve 11;Conversely, when pressure is zero, crank 5 slides back to unlocked position, second
The second end of connecting rod 4 can be detached from crank 5 in unlocked position, then unclamp release bolt 1, bourdon tube 3, remove lock ring compensation machine
Structure 2, you can open quick operating valve 11.It is such simple in structure, it is easy to operate, securely and reliably.
The application preferred embodiment and embodiment are explained in detail above in conjunction with attached drawing, but the application
The above-described embodiment and examples are not limited to, within the knowledge of those skilled in the art, can also not taken off
It is made a variety of changes under the premise of conceiving from the application.
Claims (10)
1. a kind of safety interlock device of quick actuating closure device, which is characterized in that including:Lock ring compensation mechanism (2), elastic compensating mechanism and
Safety interlock for overhead, wherein
The elastic compensating mechanism includes release bolt (1) and bourdon tube (3);
The lock ring compensation mechanism is socketed on the bolt (1) of releasing,
The first end of the bolt of releasing (1) is installed on the quick operating valve (11) by screw thread,
The first end of the bourdon tube (3) is fixedly installed in the bolt (1) of releasing, the bourdon tube (3) and the spiral shell of releasing
The pressure Transfer pipe (12) being arranged inside bolt (1) is connected,
The second end of the bourdon tube (3) is connect with the safety interlock for overhead;
Under pressure-increasning state, the bourdon tube (3) drives the safety interlock for overhead movement so that the safety interlock for overhead is located at
Locked position, and the lock ring compensation mechanism (2) is made to be fixed on sealing station,
Under pressure release state, the bourdon tube (3) drives the safety interlock for overhead to restPose so that the safety interlocking
Mechanism is located at unlocked position, and the lock ring compensation mechanism (2) is made to be detached from sealing station.
2. safety interlock device of quick actuating closure device according to claim 1, which is characterized in that the safety interlock for overhead includes the
One connecting rod (8), crank (5), second connecting rod (4),
The first end of the first connecting rod (8) is connect with the second end of the bourdon tube (3),
The second end of the first connecting rod (8) is connect with the first connecting pin (13) of the crank (5),
The first end of the second connecting rod (4) is cut with scissors with the second end of the bourdon tube (3), the first end of the first connecting rod (8)
It connects,
The second end of the second connecting rod (4) is removably mounted to the quick operating valve (11),
The second connection end (14) of the crank (5) is flexibly connected with the second end of the second connecting rod (4),
Third connecting pin (15) between the first connecting pin (13) and second connection end (14) of the crank (5) with it is described
Quick operating valve (11) is hinged.
3. safety interlock device of quick actuating closure device according to claim 2, which is characterized in that the second of the first connecting rod (8)
End is connect by axis pin (7) with the first connecting pin (13) of the crank (5).
4. safety interlock device of quick actuating closure device according to claim 2, which is characterized in that the safety interlock for overhead further includes
Rotary shaft (6), the rotary shaft (6) are fixedly installed in the quick operating valve (11), and the third connecting pin (15) of the crank (5) is logical
It is hinged with the quick operating valve (11) to cross the rotary shaft (6).
5. safety interlock device of quick actuating closure device according to claim 2, which is characterized in that the second connection of the crank (5)
End (14) is provided with sliding slot (16).
6. safety interlock device of quick actuating closure device according to claim 5, which is characterized in that the sliding slot (16) is arc, institute
The one end for stating sliding slot (16) is provided with enlarged opening (17), and the sliding slot (16) and the second end activity of the second connecting rod (4) connect
It connects;
Under pressure-increasning state, resilient movement occurs under the effect of the pressure for the bourdon tube (3), drives the first of the crank (5)
Connecting pin (13) is mobile, and first connecting pin (13) drives the sliding slot (16) of the second connection end (14) of the crank (5) to move
It is dynamic so that the sliding slot (16) is moved to the locked position, realizes that the safety interlock for overhead is in locking state;
Under pressure release state, the bourdon tube (3) is restored with pressure reduction to original state, the first connecting pin of the crank (5)
(13) follow the bourdon tube (3) mobile, first connecting pin (13) drives the second connection end (14) of the crank (5)
Sliding slot (16) is mobile so that the sliding slot (16) is moved to unlocked position, realizes that the safety interlock for overhead is in the unlocked state.
7. safety interlock device of quick actuating closure device according to claim 1, which is characterized in that the bolt of releasing (1) with it is described
The contact jaw of quick operating valve (11) is provided with sealing ring (9).
8. safety interlock device of quick actuating closure device according to claim 1, which is characterized in that the screw thread of the bolt of releasing (1)
Outer ring is provided at least one pressure bleed passage.
9. safety interlock device of quick actuating closure device according to claim 8, which is characterized in that the first end of the bourdon tube (3)
It is fixedly installed in the bolt (1) of releasing by connector (19).
10. safety interlock device of quick actuating closure device according to claim 1, which is characterized in that the safety interlock device of quick actuating closure dress
It further includes handle (10) to set, and the handle (10) is movably arranged in the handle hole (18) of described bolt (1) other end of releasing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820458585.5U CN208089931U (en) | 2018-04-02 | 2018-04-02 | A kind of safety interlock device of quick actuating closure device |
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CN201820458585.5U CN208089931U (en) | 2018-04-02 | 2018-04-02 | A kind of safety interlock device of quick actuating closure device |
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CN201820458585.5U Active CN208089931U (en) | 2018-04-02 | 2018-04-02 | A kind of safety interlock device of quick actuating closure device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108443501A (en) * | 2018-04-02 | 2018-08-24 | 陕西航天德林科技集团有限公司 | A kind of safety interlock device of quick actuating closure device |
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2018
- 2018-04-02 CN CN201820458585.5U patent/CN208089931U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108443501A (en) * | 2018-04-02 | 2018-08-24 | 陕西航天德林科技集团有限公司 | A kind of safety interlock device of quick actuating closure device |
CN108443501B (en) * | 2018-04-02 | 2024-04-02 | 陕西航天德林科技集团有限公司 | Quick-opening safety interlocking device |
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