CN109139998A - The switching device of inlet/outlet synchronous sealed - Google Patents
The switching device of inlet/outlet synchronous sealed Download PDFInfo
- Publication number
- CN109139998A CN109139998A CN201811287555.3A CN201811287555A CN109139998A CN 109139998 A CN109139998 A CN 109139998A CN 201811287555 A CN201811287555 A CN 201811287555A CN 109139998 A CN109139998 A CN 109139998A
- Authority
- CN
- China
- Prior art keywords
- valve
- switching device
- safe
- outlet
- inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/168—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a kind of switching devices of inlet/outlet synchronous sealed, the device includes the first safety valve, the second safety valve, safe valve inlet switching device, safe valve outlet switching device, first safety valve, the second safety valve, safe valve inlet switching device, safe valve outlet switching device connect in a ring, multiple circular holes are provided on valve seat in the safe valve inlet switching device, safe valve outlet switching device, spring is connected in circular hole, the apparatus structure is simple, it is easy to operate, good airproof performance, while improving production efficiency, reducing production cost.
Description
Technical field
The present invention relates to switching devices, are specifically related to the switching device of inlet/outlet synchronous sealed.
Technical background
The equipment that the enterprises such as petroleum are a bit important in middle petrochemical industry needs throughout the year continuous production without a break, even if one
During year primary overhaul and people shuts down and does not stop.According to the regulation of " safety valve safety and technical supervision regulation ", safety valve is general
In the case of should verify every year primary, for this equipment that cannot be stopped production, gate valve or shut-off valve (this are filled usually below safety valve
Need the approval of unit person in charge of the technology aspect that could fill below safety valve and close valve), so as to safety valve because of troubleshooting or
When annual test, closes following valve and remove safety valve to repair or verify, in this way at that rate, these important equipments can
The overpressure protection of safety valve can be lost in a certain period of time, this be it is extremely unsafe, once meeting accident, consequence is hardly imaginable.
In order to ensure the safety of these equipments, some enterprises install two sets of safety valves on equipment and add closing valve system conduct
A preparation and a use, and the enterprise having both at home and abroad using switching device adds safety valve to carry out overpressure protection, the case where according to medium, such as
It is emptied after permission safety valve jumping up, need to only switch in safe valve inlet, in some cases, then need same to safety valve inlet/outlet
Step switching, e.g. harmful poisonous inflammable and explosive medium, safety valve do not allow to empty, need to just synchronize and cut to safety valve inlet/outlet
It changes, that is, synchronizes the inlet/outlet channel for opening or closing safety valve, the greatest drawback of existing design is entered out by what sprocket wheel was driven
Mouth flap is unable to synchronous sealed, due to factors such as errors, always has a flap first to shut, another flap is not closed completely and seals super
Mark, general solution are slowly to gather the thickness of this valve seat in assembly, and two flaps is made to simultaneously close off and reach leakproofness
Can require, it is time-consuming and laborious for doing so, inefficiency and cannot be guaranteed sealing it is up to standard.
Summary of the invention
The object of the present invention is to provide a kind of switching device of inlet/outlet synchronous sealed, the device energy synchronous sealeds, and imitate
Rate is high, and sealing effect is good, and technical scheme is as follows:
The switching device of inlet/outlet synchronous sealed, including the first safety valve, the second safety valve further include safe valve inlet switching dress
It sets, safe valve outlet switching device, the first safe valve inlet is connected with one end of the safe valve inlet switching device, institute
The other end for stating safe valve inlet switching device is connected with the entrance of second safety valve, the outlet of second safety valve with
One end of the safe valve outlet switching device is connected, the other end of the extra exit switching device and first safety valve
Outlet be connected, first safety valve, the second safety valve, safe valve inlet switching device, safe valve outlet switching device are solid
Fixed connection is in a ring；
The safe valve inlet switching device includes the first connecting tube, the second connecting tube, valve body, and first connecting tube passes through spiral shell
Bolt is fixedly connected with the side of the valve body, and the other side of the valve body is fixedly connected by bolt with second connecting tube,
It is equipped with left and right valve seat, flap, valve rod, the valve body one side in the valve body and is equipped with handwheel, the left and right valve seat is solid respectively
Left and right both ends in the valve cavity are set calmly, and the flap is arranged in the valve cavity and can be described left and right
It is slided between valve seat, one end of the flap is fixedly connected with one end of the valve rod, the other end of the valve rod and the hand
Wheel is fixedly connected, and the one side of the right valve seat is connected with sealing ring, and the sealing ring is located at second connecting tube and the valve
The junction of body, an end face of the left valve seat are provided with multiple holes, are uniformly connected with multiple springs in the hole, the spring it is another
One end is in contact fixation with the end face of first connecting tube, and when the flap and left valve base sealing, the spring is in compression shape
State；
The safe valve outlet switching device is identical as the safe valve inlet switching device structure, the safe valve outlet switching
Spring, sealing ring in device are reversed with spring, the sealing ring in the safe valve inlet switching device；
Handwheel in the safe valve outlet switching device is driven in the safe valve inlet switching device by transmission device
Hand wheel rotating, so that the safe valve outlet switching device be made to move in the same direction with the flap in the safe valve inlet switching device
It is dynamic, when left valve base sealing in the flap and the safe valve outlet switching device in the safe valve outlet switching device, institute
The spring-compressed in safe valve inlet switching device is stated, the flap in the safe valve inlet switching device goes out with the safety valve
Left valve seat synchronous sealed in mouth switching device, and the second safety valve entrance opens simultaneously, first safety valve goes out
Entrance simultaneously closes off；
When flap in the safe valve inlet switching device and the right valve base sealing in the safe valve inlet switching device, institute
Spring (quilt) compression in safe valve outlet switching device is stated, the right valve seat and flap in the safe valve outlet switching device are close
Envelope, and the first safety valve entrance opens simultaneously, the second safety valve entrance simultaneously closes off.
Further, the transmission device includes chain and 2 sprocket wheels, and 2 sprocket wheels are each passed through the safety valve
Valve rod in entrance switching device, safe valve outlet switching device, and be fixedly connected with the valve rod, the chain is set in institute
It states on sprocket wheel.
Further, the quantity of the spring is at least 6.
Further, the left valve of the right valve seat of the safe valve inlet switching device and the safe valve outlet switching device
Holder structure is identical.
Further, the right valve of the left valve seat of the safe valve inlet switching device and the safe valve outlet switching device
Holder structure is identical.
Further, first connecting tube and second connecting tube are symmetrical arranged, the tube wall of first connecting tube
Thickness is greater than the pipe thickness of the valve body.
Beneficial effect
The present invention works as hand wheel rotating by the way that multiple springs are arranged on the valve seat of the device, in the switching device of safety valve entry and exit
Flap it is mobile, valve seat can be compressed by the spring on valve seat simultaneously, to achieve the effect that safety valve entrance synchronous sealed,
Sealing ring energy better seal is radially housed in the valve seat and improves security performance, the device is compared with conventional apparatus section easy to use
Make an appointment, it is high-efficient and meanwhile can guarantee sealing it is up to standard.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of transmission device in the present invention；
Fig. 3 is the structural schematic diagram of safe valve inlet switching device in the present invention.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
The switching device of inlet/outlet synchronous sealed, including the first safety valve 1, the second safety valve 2, further include safe valve inlet
Switching device 3, safe valve outlet switching device 4,1 entrance of the first safety valve and the safe valve inlet switching device 3
One end is connected, and the other end of the safe valve inlet switching device 3 is connected with the entrance of second safety valve 2, and described second
The outlet of safety valve 2 is connected with one end of the safe valve outlet switching device 4, the extra exit switching device 4 it is another
End is connected with the outlet of first safety valve 1, first safety valve 1, the second safety valve 2, safe valve inlet switching device
3, safe valve outlet switching device 4 is fixedly connected in a ring；
The safe valve inlet switching device 3 includes the first connecting tube 31, the second connecting tube 32, valve body 33, first connection
Pipe 31 is fixedly connected by bolt with the side of the valve body 33, and the other side of the valve body 33 is connected by bolt and described second
Adapter tube 32 is fixedly connected, and is equipped with left valve seat 331, right valve seat 332, flap 333, valve rod 334, the valve body 33 in the valve body 33
One side is equipped with handwheel 335, and the left and right valve seat 331,332 is respectively fixedly disposed at left and right two in 33 cavity of valve body
End, the flap 333 setting can slided in 33 cavity of valve body and between the left and right valve seat 331,332, the valve
One end of valve 333 is fixedly connected with one end of the valve rod 334, the other end of the valve rod 334 and the fixed company of the handwheel 335
Connect, the one side of the right valve seat 332 is connected with sealing ring 336, the sealing ring 336 be located at second connecting tube 32 with it is described
The junction of valve body 33, an end face of the left valve seat 331 are provided with 6 holes, and 6 springs 337 are uniformly connected in the hole, described
The other end of spring 337 is in contact fixation with the end face of first connecting tube 31, and the flap 333 is sealed with left valve seat 331
When, the spring 337 is in compressive state；
The safe valve outlet switching device 4 is identical as safe 3 structure of valve inlet switching device, and the safe valve outlet is cut
Spring, sealing ring in changing device 4 are reversed with spring, the sealing ring in the safe valve inlet switching device 3；
Handwheel 335 in the safe valve inlet switching device 3 drives the safe valve outlet switching device 4 by transmission device
In handwheel 335 rotate, to make the safe valve inlet switching device 3 and the valve in the safe valve outlet switching device 4
Valve 333 is mobile in the same direction, in the flap 333 and the safe valve outlet switching device 4 in the safe valve outlet switching device 4
When left valve seat 331 seals, spring-compressed in the safe valve inlet switching device 3,3 in the safe valve inlet switching device
Flap 333 and the safe valve outlet switching device 4 in left valve seat 331 seal, and 2 entrance of the second safety valve is same
When open, 1 entrance of the first safety valve simultaneously closes off；
The right valve seat 332 in flap 333 and the safe valve inlet switching device 3 in the safe valve inlet switching device 3
When sealing, the spring (quilt) in the safe valve outlet switching device 4 compresses, the right side in the safe valve outlet switching device 4
Valve seat and flap seal, and 1 entrance of the first safety valve opens simultaneously, and 2 entrance of the second safety valve simultaneously closes off.
The transmission device includes that 6,2 sprocket wheels 6 of chain 5 and 2 sprocket wheel are each passed through the safe valve inlet and cut
Valve rod 334 in changing device 3, safe valve outlet switching device 4, and be fixedly connected with the valve rod 334, the chain 5 is arranged
On the sprocket wheel 6.First connecting tube 31 is symmetrical arranged with second connecting tube 32, the pipe of first connecting tube 31
Wall thickness is greater than the pipe thickness of the valve body 33.
Working principle
The handwheel 335 in the safe valve inlet switching device 3 is rotated, corresponds to the flap 333 towards the safe valve inlet
Left valve seat 331 in switching device 3 is mobile, while the handwheel 335 drives respective sprockets rotation, which passes through the chain
Item 5 drives the sprocket wheel in the safe valve outlet switching device 4 to rotate, to drive in the safe valve outlet switching device 4
Flap 333 it is mobile towards the left valve seat 331 in the safe valve outlet switching device 4, it is described with the rotation of handwheel 335
Flap 333 in safe valve inlet switching device 3 is contacted with left valve seat 331 reaches sealing, and the safe valve outlet described at this time is cut
Flap 333 and left valve seat 331 in changing device 4 not yet form sealing, handwheel 335 are continued to rotate at this time, due to the safety valve
Left valve seat 331 is connected with spring in entrance switching device 3, and the flap 333 in the safe valve inlet switching device 3 can continue to move
Dynamic, until the flap 333 and left valve seat 331 in the safe valve outlet switching device 4 are formed and sealed, two flap is equal at this time
It is formed and is sealed with described two left valve seats, 1 entrance of the first safety valve seals simultaneously；Rotate backward handwheel 335, described first
1 entrance of safety valve opens simultaneously, and 2 entrance of the second safety valve seals simultaneously.
Sealing ring is added simultaneously in the invention, and sealing effect is more preferable, and the apparatus structure is simple, easy to operate, good airproof performance, together
When improve production efficiency, reduce production cost.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (6)
1. the switching device of inlet/outlet synchronous sealed, including the first safety valve, the second safety valve, which is characterized in that further include peace
Full valve entrance switching device, safe valve outlet switching device, the first safe valve inlet and the safe valve inlet switching fill
One end for setting is connected, and the other end of the safe valve inlet switching device is connected with the entrance of second safety valve, and described the
The outlet of two safety valves is connected with one end of the safe valve outlet switching device, the other end of the extra exit switching device
It is connected with the outlet of first safety valve, first safety valve, the second safety valve, safe valve inlet switching device, safety
Valve outlet switching device is fixedly connected in a ring；
The safe valve inlet switching device includes the first connecting tube, the second connecting tube, valve body, and first connecting tube passes through spiral shell
Bolt is fixedly connected with the side of the valve body, and the other side of the valve body is fixedly connected by bolt with second connecting tube,
It is equipped with left and right valve seat, flap in the valve body, passes bar, the valve body one side equipped with handwheel, the left and right valve seat is solid respectively
Left and right both ends in the valve cavity are set calmly, and the flap is arranged in the valve cavity and can be described left and right
It is slided between valve seat, one end of the flap is fixedly connected with one end of the valve rod, the other end of the valve rod and the hand
Wheel is fixedly connected, and the one side of the right valve seat is connected with sealing ring, and the sealing ring is located at second connecting tube and the valve
The junction of body, an end face of the left valve seat are provided with multiple holes, are uniformly connected with multiple springs in the hole, the spring it is another
One end is in contact fixation with the end face of first connecting tube, and when the flap and left valve base sealing, the spring is in compression shape
State；
The safe valve outlet switching device is identical as the safe valve inlet switching device structure, the safe valve outlet switching
Spring, sealing ring in device are reversed with spring, the sealing ring in the safe valve inlet switching device；
Handwheel in the safe valve outlet switching device is driven in the safe valve inlet switching device by transmission device
Hand wheel rotating, so that the safe valve outlet switching device be made to move in the same direction with the flap in the safe valve inlet switching device
It is dynamic, when left valve base sealing in the flap and the safe valve outlet switching device in the safe valve outlet switching device, institute
State spring (quilt) compression in safe valve inlet switching device, flap and the safety in the safe valve inlet switching device
Left valve base sealing in valve outlet switching device, and the second safety valve entrance opens simultaneously, first safety valve goes out
Entrance simultaneously closes off；
When flap in the safe valve inlet switching device and the right valve base sealing in the safe valve inlet switching device, institute
Spring (quilt) compression in safe valve outlet switching device is stated, the right valve seat and flap in the safe valve outlet switching device are close
Envelope, and the first safety valve entrance opens simultaneously, the second safety valve entrance simultaneously closes off.
2. the switching device of inlet/outlet synchronous sealed according to claim 1, which is characterized in that the transmission device includes
Chain and 2 sprocket wheels, 2 sprocket wheels are each passed through the safe valve inlet switching device, in safe valve outlet switching device
Valve rod, and be fixedly connected with the valve rod, the chain is set on the sprocket wheel.
3. the switching device of inlet/outlet synchronous sealed according to claim 1, which is characterized in that the quantity of the spring is extremely
It is less 6.
4. the switching device of inlet/outlet synchronous sealed according to claim 1, which is characterized in that the safe valve inlet is cut
The right valve seat of changing device is identical as the left valve seat construction of the safe valve inlet switching device.
5. the switching device of inlet/outlet synchronous sealed according to claim 1, which is characterized in that the safe valve outlet is cut
The left valve seat of changing device is identical as the right valve seat construction of the safe valve outlet switching device.
6. the switching device of inlet/outlet synchronous sealed according to claim 1, which is characterized in that first connecting tube with
Second connecting tube is symmetrical arranged, and the pipe thickness of first connecting tube is greater than the pipe thickness of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287555.3A CN109139998A (en) | 2018-10-31 | 2018-10-31 | The switching device of inlet/outlet synchronous sealed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811287555.3A CN109139998A (en) | 2018-10-31 | 2018-10-31 | The switching device of inlet/outlet synchronous sealed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109139998A true CN109139998A (en) | 2019-01-04 |
Family
ID=64806978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811287555.3A Pending CN109139998A (en) | 2018-10-31 | 2018-10-31 | The switching device of inlet/outlet synchronous sealed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109139998A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5594048A (en) * | 1978-12-30 | 1980-07-17 | Takemi Endo | Manually operated speed reducer |
| CN103470794A (en) * | 2013-09-13 | 2013-12-25 | 吴江市东吴机械有限责任公司 | Inlet-outlet double-linkage switching valve |
| CN204420207U (en) * | 2015-01-06 | 2015-06-24 | 苏州道森阀门有限公司 | Two combination chain moves fluid control device |
| CN204942608U (en) * | 2015-09-17 | 2016-01-06 | 罗浮阀门集团有限公司 | Duplex handover security control valve unit |
| DE202018101710U1 (en) * | 2018-03-27 | 2018-04-06 | Idc Plumbing & Heating Technology (Beijing) Ltd. | Improved rectilinear integrated control valve group |
| CN209524120U (en) * | 2018-10-31 | 2019-10-22 | 扬中市阀门厂有限公司 | The switching device of inlet/outlet synchronous sealed |
-
2018
- 2018-10-31 CN CN201811287555.3A patent/CN109139998A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5594048A (en) * | 1978-12-30 | 1980-07-17 | Takemi Endo | Manually operated speed reducer |
| CN103470794A (en) * | 2013-09-13 | 2013-12-25 | 吴江市东吴机械有限责任公司 | Inlet-outlet double-linkage switching valve |
| CN204420207U (en) * | 2015-01-06 | 2015-06-24 | 苏州道森阀门有限公司 | Two combination chain moves fluid control device |
| CN204942608U (en) * | 2015-09-17 | 2016-01-06 | 罗浮阀门集团有限公司 | Duplex handover security control valve unit |
| DE202018101710U1 (en) * | 2018-03-27 | 2018-04-06 | Idc Plumbing & Heating Technology (Beijing) Ltd. | Improved rectilinear integrated control valve group |
| CN209524120U (en) * | 2018-10-31 | 2019-10-22 | 扬中市阀门厂有限公司 | The switching device of inlet/outlet synchronous sealed |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209524120U (en) | The switching device of inlet/outlet synchronous sealed | |
| CN109139998A (en) | The switching device of inlet/outlet synchronous sealed | |
| CN109114232B (en) | Bidirectional isolating valve | |
| CN107725862A (en) | The split type mutual ball valve with lock of interconnection | |
| CN206017821U (en) | A kind of New flat valve | |
| CN202280898U (en) | Gate valve | |
| CN205252680U (en) | Two -way sealing water agency of filter core seat | |
| CN208997360U (en) | Two-way isolating valve, | |
| CN201787145U (en) | Difunctional valve | |
| CN210484634U (en) | Novel cut-off valve | |
| CN209369578U (en) | A kind of access lock middle part transmission case | |
| CN204004447U (en) | A kind of connection block of check-up gas density electrical relay | |
| CN209510289U (en) | A kind of wellheadpressure valve switch failure maintenance of equipment | |
| CN209309552U (en) | A kind of inner locking type pipe fitting of link mechanism device | |
| CN203098994U (en) | Magnetic safety lock gas valve | |
| CN211117704U (en) | Gas transmission pipeline sealing valve | |
| CN204532259U (en) | There is the storm valve Valve clack device of Self-balancing | |
| CN209959989U (en) | PE gas valve convenient to installation leak protection gas | |
| CN205805492U (en) | A kind of ram preventer | |
| CN204280415U (en) | Sealing charging valve | |
| CN105749775B (en) | Gas-liquid mixing device | |
| CN110671510A (en) | Assembling method of corrugated pipe sealing track ball valve with split type valve rod structure | |
| CN208295136U (en) | One kind being easy to closed smoke exhaust fire damper | |
| CN204647395U (en) | With the unitary tape ball valve with lock of check function | |
| CN211259684U (en) | Multi-sealing natural gas special valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |