CN110410545A - A kind of quick action emergency valve - Google Patents
A kind of quick action emergency valve Download PDFInfo
- Publication number
- CN110410545A CN110410545A CN201910738477.2A CN201910738477A CN110410545A CN 110410545 A CN110410545 A CN 110410545A CN 201910738477 A CN201910738477 A CN 201910738477A CN 110410545 A CN110410545 A CN 110410545A
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- CN
- China
- Prior art keywords
- valve
- rod
- support shaft
- guide tube
- locking
- 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.)
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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
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/363—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position the closure members being rotatable or pivoting
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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
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/366—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position the closure member being a movable ball
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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
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
- F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
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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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0647—Spindles or actuating means
Abstract
The invention discloses a kind of quick action emergency valves, including valve, flow rate detection mechanism, force transmission mechanism, locking mechanism and gravity descending mechanism, the flow rate detection mechanism is arranged on the valve, the force transmission mechanism is connect with the flow rate detection mechanism, the locking mechanism and the gravity descending mechanism are arranged on bracket, the side of the valve is arranged in the bracket, the flow rate detection mechanism is used to detect the flow velocity in the valve in fluid channel, and the flow rate detection mechanism is connected by the force transmission mechanism with the locking mechanism, the locking mechanism is for locking and discharging the gravity descending mechanism, the valve includes first switch mechanism, the gravity descending mechanism connect the closing for realizing the valve with the first switch mechanism.The present invention uses gravitional force for drive energy and Purely mechanical testing agency, does not consume extra power, and easy to install and use, the saving energy, movement are safe and reliable.
Description
Technical field
The present invention relates to valve technology fields, more particularly to a kind of quick action emergency valve.
Background technique
Predominantly use is pneumatic for existing feeding stop valve, surges, the quick action emergency valve of electric drive, needs external drive
There is unstability (such as having a power failure) in the dynamic control energy, extra power, reliability is low, be not suitable for from far-off regions, wild
The operating conditions such as outer.
Summary of the invention
The object of the present invention is to provide a kind of quick action emergency valves, to solve the above-mentioned problems of the prior art, make urgent
Stop valve, which does not need external force, can be realized emergency cut-off, high reliablity.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of quick action emergency valve, including valve, flow rate detection mechanism, force transmission mechanism, locking mechanism and
Gravity descending mechanism, the flow rate detection mechanism are arranged on the valve, the force transmission mechanism and the flow rate detection mechanism
Connection, the locking mechanism and the gravity descending mechanism are arranged on bracket, and the side of the valve is arranged in the bracket,
The flow rate detection mechanism is used to detect the flow velocity in the valve in fluid channel, and the flow rate detection mechanism is described in
Force transmission mechanism is connected with the locking mechanism, and the locking mechanism is for locking and discharging the gravity descending mechanism, the valve
Door includes first switch mechanism, and the gravity descending mechanism connect the closing for realizing the valve with the first switch mechanism.
Preferably, the valve is whole-through diameter ball valve, and the ball valve includes sphere, and the sphere is located in valve body, described
One end of valve body is connected with preceding valve deck, and the other end of the valve body is connected with rear valve deck, between the sphere and the preceding valve deck,
It is provided with valve seat between the sphere and the rear valve deck, left valve rod and right valve rod, the left side are relatively set on the valve body
Valve rod passes through the valve body and is fixedly connected with the sphere, is provided with left end cap between the left valve rod and the valve body, institute
Right valve rod is stated across the valve body and is fixedly connected with the sphere, is provided with right end between the right valve rod and the valve body
The extension end of lid, the left valve rod or the right valve rod passes through the bracket and is fixedly connected with the gravity descending mechanism.
Preferably, the flow rate detection mechanism includes branch pipe, and one end of the branch pipe is provided with cover board, the branch pipe it is another
One end is connected to the fluid channel of the valve, and support shaft and detection plate, the support shaft and branch pipe are provided on the branch pipe
Between be provided with bushing, the support shaft is fixedly connected with the detection plate by key, and the lower end of the detection plate extends to described
In fluid channel, one end of the support shaft is arranged in the branch pipe, and the other end of the support shaft stretches out the branch pipe, institute
The extension end for stating support shaft is flat axis and is fixedly connected with the force transmission mechanism；
The lower end of the detection plate is circular slab, and the circular slab is vertically arranged with the fluid channel.
It preferably, further include adjusting rod, the adjusting rod is vertically arranged with the support shaft and the adjusting rod is set in
It is bolted to connection on the extension end of the support shaft and with the extension end of the support shaft, is equipped on the adjusting rod
Two adjusting blocks, the adjusting block can slide on the adjusting rod, and two adjusting blocks are located at the two of the support shaft
Side.
Preferably, the force transmission mechanism includes link block and transmission rod, and the link block is threaded through stretching for the support shaft
Outlet is simultaneously fixedly connected with the support shaft, and one end of the transmission rod and the link block are hinged by straight pin, the biography
The other end of power bar is hinged by straight pin with the locking mechanism.
Preferably, the locking mechanism includes guide tube, the guide tube wear in through-hole on the bracket and with it is described
Bracket is fixedly connected, and the upper end of the guide tube is provided with guide tube lid, and the guide tube lid is hollow structure, is provided in the guide tube
Locking pin, the upper end of the locking pin are provided with protrusion, and the lower end of the locking pin can stretch out the guide tube, the locking pin
Lower end be equipped with driving spring, one end of the driving spring offsets with the protrusion, the other end of the driving spring with
The guide tube offsets, and the branch cylinder being connected to the guide tube is provided on the side wall of the guide tube, is provided with fixation in the branch cylinder
The bayonet lock and connecting rod of connection are arranged with reset spring, one end of the reset spring and the bayonet lock phase in the connecting rod
It supports, the other end of the reset spring and the end cap of the branch cylinder offset, and the connecting rod stretches out one end and the institute of the guide tube
It is hinged to state transmission rod.
It preferably, further include manual adjustment means, the manual adjustment means include terminal pad, worm gear, worm screw and handle,
The terminal pad and worm gear fixation are set on the left valve rod or the right valve rod, and the worm gear and the worm screw nibble
It closes, the handle is fixed on one end of the worm screw.
Preferably, the gravity descending mechanism includes weight, movement weight rod and hydraulic press, one end of the hydraulic press with it is described
Bracket is hinged, and the other end of the hydraulic press and the movement weight rod are hinged, the upper end of the movement weight rod and the fixed company of the weight
It connects, is provided with lock hole and contact block on the movement weight rod, the lock hole is for being arranged the locking mechanism, on the bracket
It is provided with the stop screw to match with the contact block.
The present invention achieves following technical effect compared with the existing technology:
Fluid flow rate in flow rate detection mechanism detection valve of the invention, when fluid flow rate is greater than the set value, flow velocity
Testing agency drives force transmission mechanism, and locking mechanism is separated with gravity descending mechanism, and gravity descending mechanism is made to drive first switch
Mechanism realizes the closing of valve, cuts off fluid.The present invention uses gravitional force for drive energy and Purely mechanical testing agency,
Extra power is not consumed, easy to install and use, the saving energy, movement are safe and reliable.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the perspective view of quick action emergency valve of the invention；
Fig. 2 is the main view of Fig. 1；
Fig. 3 is the side view of Fig. 1；
Fig. 4 is the top view of Fig. 1；
Fig. 5 is the A-A cross-sectional view of Fig. 2；
Fig. 6 is the B-B cross-sectional view of Fig. 4；
Fig. 7 is the scheme of installation of flow rate detection mechanism and adjusting rod, adjusting block；
Fig. 8 is the main view of Fig. 7；
Fig. 9 is the C-C cross-sectional view of Fig. 8；
Figure 10 is locking mechanism structural schematic diagram；
Figure 11 is flow rate detection mechanism action schematic diagram；
Figure 12 is adjusting rod and force transmission mechanism action schematic diagram；
Figure 13 is locking mechanism release movement schematic diagram；
Figure 14 is gravity descending mechanism action schematic diagram；
Wherein: 1- valve, 2- movement weight rod, 3- hydraulic press, 4- locking mechanism, 5- contact block, 6- bracket, 7- sphere, before 8-
Valve deck, valve deck after 9-, 10- valve seat, the left valve rod of 11-, the right valve rod of 12-, 13- left end cap, 14- right end cap, 15- branch pipe, 16- lid
Plate, 17- support shaft, 18- detection plate, 19- bushing, 20- flat axis, 21- adjusting rod, 22- adjusting block, 23- link block, 24- are passed
Power bar, 25- guide tube, 26- guide tube lid, 27- locking pin, 28- protrusion, 29- driving spring, 30- branch cylinder, 31- bayonet lock, 32- connection
Bar, 33- reset spring, 34- end cap, 35- stop screw, 36- terminal pad, 37- worm gear, 38- worm screw, 39- handle, 40- weight.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art under the premise of not making the creative labor it is obtained it is all its
His embodiment, shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of quick action emergency valves, to solve the above-mentioned problems of the prior art, make urgent
Stop valve, which does not need external force, can be realized emergency cut-off, high reliablity.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
As shown in Fig. 1-Figure 14: present embodiments providing a kind of quick action emergency valve, including valve 1, flow rate detection mechanism, biography
Force mechanisms, locking mechanism 4 and gravity descending mechanism, flow rate detection mechanism are arranged on valve 1, force transmission mechanism and flow rate detection machine
On the frame 6, the side of valve 1, flow rate detection machine is arranged in bracket 6 for structure connection, locking mechanism 4 and the setting of gravity descending mechanism
Structure is used to detect the flow velocity in valve 1 in fluid channel, and flow rate detection mechanism is connected by force transmission mechanism with locking mechanism 4,
Locking mechanism 4 includes first switch mechanism, gravity descending mechanism and first for locking and discharging gravity descending mechanism, valve 1
The closing of valve 1 is realized in switching mechanism connection.Fluid flow rate in the flow rate detection mechanism detection valve 1 of the present embodiment, works as stream
When body flow velocity is greater than the set value, flow rate detection mechanism drives force transmission mechanism, and locking mechanism 4 is separated with gravity descending mechanism, is made
Gravity descending mechanism drives first switch mechanism, realizes the closing of valve 1, cuts off fluid.
In the present embodiment, valve 1 is whole-through diameter ball valve, is applicable in elevated pressures operating condition (1.6~5.0MPa)；Full-bore fluid
The flow resistance in channel is small, negotiability is strong, and small, the accurate height of detection is influenced on flow velocity detection machine.1 lower end of valve, which is provided with, to be used to support
Foot prop.Ball valve includes sphere 7, and sphere 7 is located in valve body, and one end of valve body is connected with preceding valve deck 8, the other end connection of valve body
There is rear valve deck 9, between sphere 7 and preceding valve deck 8, sphere 7 and be provided with bracing ring between rear valve deck 9, is opened in ball valve
Under state, preceding valve deck 8, sphere 7 and rear valve deck 9 form fluid channel, between sphere 7 and preceding valve deck 8, sphere 7 and rear valve deck 9 it
Between be provided with valve seat 10, left valve rod 11 and right valve rod 12 are fixedly installed on valve body, left valve rod 11 and right valve rod 12 are oppositely arranged,
Left valve rod 11 passes through valve body and is fixedly connected with sphere 7, left end cap 13 is provided between left valve rod 11 and valve body, right valve rod 12 is worn
It crosses valve body and is fixedly connected with sphere 7, right end cap 14 is provided between right valve rod 12 and valve body, the extension end of left valve rod 11 passes through
Bracket 6 is simultaneously fixedly connected with gravity descending mechanism, and the extension end of right valve rod 12 is fixedly connected with manual adjustment means, gravity decline
Mechanism and manual adjustment means rotate sphere 7, realize the opening and closing of ball valve.
In the present embodiment, flow rate detection mechanism includes branch pipe 15, and branch pipe 15 is arranged on preceding valve deck 8 by being welded and fixed,
Branch pipe 15 is vertically arranged with preceding valve deck 8, and one end of branch pipe 15 is provided with cover board 16, and cover board 16 is slab construction, cover board 16 and branch
Pipe 15 is bolted to connection, and the other end of branch pipe 15 is connected to the fluid channel of valve 1, is provided with support shaft on branch pipe 15
17 and detection plate 18, support shaft 17 be vertically arranged with branch pipe 15, detection plate 18 is vertically arranged with support shaft 17, support shaft 17 and branch
Bushing 19 is provided between pipe 15, bushing 19 is used to limit the axial position of support shaft 17, and support shaft 17 and detection plate 18 pass through
Key is fixedly connected, and the lower end of detection plate 18 extends in fluid channel, and one end of support shaft 17 is arranged in branch pipe 15, support shaft 17
The other end stretch out branch pipe 15, the extension end of support shaft 17 is flat axis 20 and is fixedly connected with force transmission mechanism；Detection plate 18
Lower end is circular slab, and circular slab is vertically arranged with fluid channel.
The present embodiment further includes adjusting rod 21, and adjusting rod 21 and support shaft 17 are vertically arranged and adjusting rod 21 is set in support
It is bolted to connection on the extension end of axis 17 and with support shaft 17, is worn on adjusting rod 21 there are two adjusting block 22, adjusted
Block 22 can slide on adjusting rod 21 and have certain frictional force, two adjusting blocks 22 between adjusting block 22 and adjusting rod 21
Positioned at the two sides of support shaft 17.According to the flow rates demand of medium under different operating conditions, moved on adjusting rod 21 by adjusting block 21,
The position for adjusting adjusting block 21, the thrust-balancing for being subject to adjusting block 22 and detection plate 18, makes detection plate 18 under normal discharge
Positioned at vertical position.When operating condition changes, by adjusting the position of adjusting block 22, it is still located at detection plate 18 under new operating condition
Vertical position.
In the present embodiment, force transmission mechanism includes link block 23, transmission rod 24, and link block 23 is threaded through the stretching of support shaft 17
It is fixedly connected on end and with the extension end of support shaft 17, the extension end of support shaft 17 is flat axis 20, can guarantee link block
23 will not produce relative rotation with support shaft 17, and one end of transmission rod 24 and link block 23 are hinged by straight pin, transmission rod 24
The other end and locking mechanism 4 by straight pin it is hinged.
In the present embodiment, locking mechanism 4 includes guide tube 25, and guide tube 25 wears in through-hole on the frame 6 and logical with bracket 6
It crosses bolt to be fixedly connected, the upper end of guide tube 25 is provided with the guide tube lid 26 being fixedly connected with guide tube 25, and guide tube lid 26 is hollow knot
Structure is provided with locking pin 27 in guide tube 25, and the upper end of locking pin 27 is provided with protrusion 28, and the lower end of locking pin 27, which can be stretched out, leads
Cylinder 25, the lower end of locking pin 27 are equipped with driving spring 29, and one end and the protrusion 28 of driving spring 29 offset, driving spring 29
The other end offsets with guide tube 25, and the branch cylinder 30 being connected to guide tube 25 is provided on the side wall of guide tube 25, is provided with card in branch cylinder 30
Pin 31 and connecting rod 32, bayonet lock 31 are fixedly connected with connecting rod 32, and reset spring 33, reset spring 33 are arranged in connecting rod 32
One end offset with bayonet lock 31, the other end of reset spring 33 offsets with the end cap 34 of branch cylinder 30, connecting rod 32 stretch out guide tube 25
One end and transmission rod 24 it is hinged.When being locked, reset spring 33 stretches locking mechanism 4, and bayonet lock 31 blocks protrusion 28, right
Protrusion 28 is limited, and driving spring 29 compresses, and the lower end of locking pin 27 is stretched out guide tube 25 and locked to gravity descending mechanism.
When locking mechanism 4 discharges, pulling force effect of the connecting rod 32 by transmission rod 24, reset spring 33 compresses, bayonet lock 31 and protrusion 28
It separating and enters in branch cylinder 30, bayonet lock 31 does not limit protrusion 28, and locking pin 27 bounces under the action of driving spring 29,
Locking pin 27 is separated with gravity descending mechanism, and 25 long enough of guide tube enables locking pin 27 completely in guide tube 25.
In the present embodiment, manual adjustment means include terminal pad 36, worm gear 37, worm screw 38 and handle 39,36 He of terminal pad
The fixation of worm gear 37 is set on right valve rod 12, and worm gear 37 and worm screw 38 engage, and handle 39 is fixed on one end of worm screw 38.By turning
Fixed handle 39 drives worm screw 38 to rotate, and worm gear 37 is engaged with worm screw 38, and worm gear 37 is driven to rotate, and then drives right 12 turns of valve rod
Dynamic, right valve rod 12 is fixedly connected with sphere 7, and sphere 7 rotates, and realizes the opening and closing of fluid channel.
In the present embodiment, gravity descending mechanism includes weight 40, movement weight rod 2 and hydraulic press 3, the hydraulic press in the present embodiment
3 be buffer depressor, and one end of hydraulic press 3 and bracket 6 are hinged, and the other end and movement weight rod 2 of hydraulic press 3 are hinged, movement weight rod 2
Upper end is fixedly connected with weight 40, and lock hole and contact block 5 are provided on movement weight rod 2, and lock hole is used to that locking mechanism 4 to be arranged,
The stop screw 35 to match with contact block 5 is provided on bracket 6.The lower end of movement weight rod 2 and left valve rod 11 connect by the way that key is fixed
It connects.
The present embodiment is in use, when the pipeline in 1 downstream of valve leaks, a large amount of leaking mediums at leakage cause to lead to
The velocity of medium crossed in valve 1 increases extremely, (empty as shown in figures 11-14 when medium is become larger by the flow velocity of fluid channel
After line expression movement), the detection plate 18 of flow rate detection mechanism tilts, and the variation of power suffered by detection plate 18 destroys equilibrium-like
State drives support shaft 17 to rotate, and the link block 23 for the force transmission mechanism being fixedly connected with support shaft 17 rotates, and link block 23, which drives, to be passed
Power bar 24 moves, and transmission rod 24 drives the connecting rod 32 of locking mechanism 4 to move, and reset spring 33 compresses, bayonet lock 31 and protrusion 28
It separating and enters in branch cylinder 30, bayonet lock 31 does not limit protrusion 28, and locking pin 27 bounces under the action of driving spring 29,
27 lower end of locking pin is separated with the lock hole of gravity descending mechanism, the latch-release of gravity descending mechanism, gravity descending mechanism with
Locking mechanism 4 separates, and weight 40 is rotated as the center of circle using 2 lower end of movement weight rod fall under the effect of gravity, and movement weight rod 2 drives
Left valve rod 11, and then sphere 7 is driven to rotate, valve 1 is closed, and realizes emergency cut-off, and pipeline downstream media is blocked to continue to leak, and is delayed
Fliud flushing depressor can make weight 40 fall slowly, and then drive 7 slowly closing of sphere, avoid sphere 7 from closing too fast；When leakage thing
Therefore after being disposed, when valve 1 being needed to need to reopen, manual adjustment means drive right valve rod 12 to rotate, and realize that valve 1 is beaten
It opens and weight 40 replys initial position, gravity descending mechanism is relocked to the quick action emergency valve for aloft making the present embodiment
It restPoses.
In the present embodiment, the setting position of stop screw 35 makes weight 40 rotate 90 ° with the 2 lower end center of circle of movement weight rod just
Central angle, i.e., sphere 7 rotate 90 °.
The present embodiment uses gravitional force for drive energy and Purely mechanical testing agency, does not consume extra power, installation
Easy to use, the saving energy, movement are safe and reliable.
Apply that a specific example illustrates the principle and implementation of the invention in this specification, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (8)
1. a kind of quick action emergency valve, it is characterised in that: including valve, flow rate detection mechanism, force transmission mechanism, locking mechanism and gravity
Descending mechanism, the flow rate detection mechanism are arranged on the valve, and the force transmission mechanism is connect with the flow rate detection mechanism,
The locking mechanism and the gravity descending mechanism are arranged on bracket, and the side of the valve is arranged in the bracket, described
Flow rate detection mechanism is used to detect the flow velocity in the valve in fluid channel, and the flow rate detection mechanism passes through the power transmission
Mechanism is connected with the locking mechanism, and the locking mechanism is for locking and discharging the gravity descending mechanism, the valve packet
First switch mechanism is included, the gravity descending mechanism connect the closing for realizing the valve with the first switch mechanism.
2. quick action emergency valve according to claim 1, it is characterised in that: the valve is whole-through diameter ball valve, the ball valve
Including sphere, the sphere is located in valve body, and one end of the valve body is connected with preceding valve deck, and the other end of the valve body is connected with
Valve deck afterwards, between the sphere and the preceding valve deck, the sphere and it is described after be provided with valve seat between valve deck, on the valve body
It is relatively set with left valve rod and right valve rod, the left valve rod passes through the valve body and is fixedly connected with the sphere, the left valve
Left end cap is provided between bar and the valve body, the right valve rod passes through the valve body and is fixedly connected with the sphere, described
It is provided with right end cap between right valve rod and the valve body, the extension end of the left valve rod or the right valve rod passes through the bracket simultaneously
It is fixedly connected with the gravity descending mechanism.
3. quick action emergency valve according to claim 1, it is characterised in that: the flow rate detection mechanism includes branch pipe, described
One end of branch pipe is provided with cover board, and the other end of the branch pipe is connected to the fluid channel of the valve, is arranged on the branch pipe
There are support shaft and detection plate, bushing is provided between the support shaft and branch pipe, the support shaft and the detection plate pass through key
It being fixedly connected, the lower end of the detection plate extends in the fluid channel, and one end of the support shaft is arranged in the branch pipe,
The other end of the support shaft stretches out the branch pipe, and the extension end of the support shaft is flat axis and fixes with the force transmission mechanism
Connection；
The lower end of the detection plate is circular slab, and the circular slab is vertically arranged with the fluid channel.
4. quick action emergency valve according to claim 3, it is characterised in that: further include adjusting rod, the adjusting rod with it is described
Support shaft is vertically arranged and the adjusting rod is set on the extension end of the support shaft and logical with the extension end of the support shaft
It crosses bolt to be fixedly connected, be worn on the adjusting rod there are two adjusting block, the adjusting block can slide on the adjusting rod,
Two adjusting blocks are located at the two sides of the support shaft.
5. quick action emergency valve according to claim 3, it is characterised in that: the force transmission mechanism includes link block and power transmission
Bar, the link block are threaded through the extension end of the support shaft and are fixedly connected with the support shaft, one end of the transmission rod
Hinged by straight pin with the link block, the other end of the transmission rod is hinged by straight pin with the locking mechanism.
6. quick action emergency valve according to claim 5, it is characterised in that: the locking mechanism includes guide tube, the guide tube
It wears in through-hole on the bracket and is fixedly connected with the bracket, the upper end of the guide tube is provided with guide tube lid, described
Guide tube lid is hollow structure, is provided with locking pin in the guide tube, the upper end of the locking pin is provided with protrusion, the locking pin
Lower end can stretch out the guide tube, the lower end of the locking pin is equipped with driving spring, one end of the driving spring and institute
It states protrusion to offset, the other end of the driving spring offsets with the guide tube, is provided on the side wall of the guide tube and leads with described
The branch cylinder of cylinder connection, is provided with the bayonet lock being fixedly connected and connecting rod in the branch cylinder, reset bullet is arranged in the connecting rod
Spring, one end of the reset spring offset with the bayonet lock, and the other end of the reset spring and the end cap of the branch cylinder offset,
The connecting rod stretch out the guide tube one end and the transmission rod it is hinged.
7. quick action emergency valve according to claim 2, it is characterised in that: it further include manual adjustment means, the manual tune
Section mechanism includes terminal pad, worm gear, worm screw and handle, and the terminal pad and worm gear fixation are set in the left valve rod or institute
It states on right valve rod, the worm gear and worm screw engagement, the handle are fixed on one end of the worm screw.
8. quick action emergency valve according to claim 1, it is characterised in that: the gravity descending mechanism includes weight, weight
Bar and hydraulic press, one end of the hydraulic press and the bracket are hinged, and the other end of the hydraulic press and the movement weight rod are hinged,
The upper end of the movement weight rod is fixedly connected with the weight, and lock hole and contact block, the locking are provided on the movement weight rod
Hole is provided with the stop screw to match with the contact block for the locking mechanism to be arranged on the bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910738477.2A CN110410545A (en) | 2019-08-12 | 2019-08-12 | A kind of quick action emergency valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910738477.2A CN110410545A (en) | 2019-08-12 | 2019-08-12 | A kind of quick action emergency valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110410545A true CN110410545A (en) | 2019-11-05 |
Family
ID=68367134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910738477.2A Pending CN110410545A (en) | 2019-08-12 | 2019-08-12 | A kind of quick action emergency valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110410545A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09242910A (en) * | 1996-03-05 | 1997-09-16 | Kubota Corp | Emergency valve |
| JP2005172074A (en) * | 2003-12-10 | 2005-06-30 | Kubota Corp | Emergency shutoff valve |
| CN2713242Y (en) * | 2004-07-30 | 2005-07-27 | 天津市阀门厂 | Weight ball valve |
| CN201980330U (en) * | 2011-03-10 | 2011-09-21 | 深圳市深铃车业有限公司 | Intelligent brake hub remote control electric lock device |
| CN105508717A (en) * | 2016-01-18 | 2016-04-20 | 株洲南方阀门股份有限公司 | Tube-burst emergency cut-off valve |
| CN105508690A (en) * | 2016-01-18 | 2016-04-20 | 株洲南方阀门股份有限公司 | Valve-closure drive device and emergency burst pipe cut-off valve thereof |
-
2019
- 2019-08-12 CN CN201910738477.2A patent/CN110410545A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09242910A (en) * | 1996-03-05 | 1997-09-16 | Kubota Corp | Emergency valve |
| JP2005172074A (en) * | 2003-12-10 | 2005-06-30 | Kubota Corp | Emergency shutoff valve |
| CN2713242Y (en) * | 2004-07-30 | 2005-07-27 | 天津市阀门厂 | Weight ball valve |
| CN201980330U (en) * | 2011-03-10 | 2011-09-21 | 深圳市深铃车业有限公司 | Intelligent brake hub remote control electric lock device |
| CN105508717A (en) * | 2016-01-18 | 2016-04-20 | 株洲南方阀门股份有限公司 | Tube-burst emergency cut-off valve |
| CN105508690A (en) * | 2016-01-18 | 2016-04-20 | 株洲南方阀门股份有限公司 | Valve-closure drive device and emergency burst pipe cut-off valve thereof |
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Application publication date: 20191105 |