CN202418865U - Double-tee reversing valve interlocking fine-regulating device - Google Patents
Double-tee reversing valve interlocking fine-regulating device Download PDFInfo
- Publication number
- CN202418865U CN202418865U CN2011205717262U CN201120571726U CN202418865U CN 202418865 U CN202418865 U CN 202418865U CN 2011205717262 U CN2011205717262 U CN 2011205717262U CN 201120571726 U CN201120571726 U CN 201120571726U CN 202418865 U CN202418865 U CN 202418865U
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- Prior art keywords
- way diverter
- import
- diverter valve
- valve
- outlet
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- Expired - Fee Related
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Abstract
The utility model discloses a double-tee reversing valve interlocking fine-regulating device. Inlets of two safety valves are arranged at an inlet tee reversing valve, and outlets of the two safety valves are arranged on an outlet tee reversing valve; sprocket wheels of the inlet and outlet tee reversing valves and pilot wheels of the inlet and outlet tee reversing valves are arranged on valve-stem nuts of the inlet and outlet tee reversing valves, and are fastened by lock nuts of the inlet and outlet tee reversing valves; the sprocket wheels of the inlet and outlet tee reversing valves and the valve-stem nuts are connected by empty sleeves, and the tee reversing valves can not be directly turned on and off; the sprocket wheels of the inlet and outlet tee reversing valves are in square connection with the valve-stem nuts of the inlet and outlet tee reversing valves; and the sprocket wheel of the inlet tee reversing valve is connected with the sprocket wheel of the outlet tee reversing valve by a chain, and one tee reversing valve is switched along with the switching of the other tee reversing valve. The double-tee reversing valve interlocking fine-regulating device disclosed by the utility model has the advantages that the double-tee reversing valve interlocking fine-regulating device can realize the fine regulating function, and eliminate the cumulative errors of the travel, and moreover, the structure of the double-tee reversing valve interlocking fine-regulating device is simple.
Description
Technical field
The utility model relates to a kind of interlocking vernier device, particularly the interlocking vernier device of a kind of pair of three-way diverter valve.
Background technique
Safety valve is the indispensable safety attachments of equipment such as all kinds of boilers, pressurized container and pressure piping as a kind of automatic valve, plays the effect of overpressure protection, is widely used in each departments of national economy such as oil, chemical industry, power station.Be to guarantee the safety of process units, the regulation of strictness is arranged for the use and the verification country of safety valve.When process units and equipment must be produced owing to reasons such as process control continuously, perhaps exist under the situation of contradiction in the production of device and the verification of safety valve, safety valve must satisfy online backup requirement, i.e. the using and the reserved.
Usually the three-way diverter valve with two cut-off types connects two safety valves, realizes the online backup use of safety valve through the reciprocal switching of three-way diverter valve.When having operating mode such as superimposed back pressure when the outlet of safety valve, also can the import and export that two three-way diverter valves be respectively applied for safety valve be connected,, taked the measure of interlocking to guarantee the synchronous switching of two three-way diverter valves for preventing misoperation.Traditional interlock adopts the handwheel and the sprocket wheel of import three-way diverter valve to be installed in by a pair of locking nut on the Stem Mut of import three-way diverter valve, and the handwheel and the sprocket wheel of outlet three-way diverter valve are installed on the Stem Mut of outlet three-way diverter valve by a pair of locking nut.The import three-way diverter valve is linked to each other by roller chain with outlet three-way diverter valve sprocket wheel.Switch import three-way diverter valve and outlet three-way diverter valve arbitrary, another follows switching, and this device advantage is simple in structure.But also having shortcoming, mainly is that the import three-way diverter valve exists error with outlet three-way diverter valve size in machining process, and valve assembling back stroke also produces bigger error because of cumulative error.When switching import three-way valve or outlet three-way diverter valve arbitrary, be easy to generate wherein one and open (or closing) and put in place, another cumulative error because of stroke is not opened (or closing) and is put in place, produces and leaks, and brings very big hidden danger for the safety of process units.
The model utility content
The utility model technical problem to be solved is that a kind of two three-way diverter valve interlocking vernier devices of eliminating the cumulative error of stroke will be provided.
In order to solve above technical problem, the utility model provides a kind of pair of three-way diverter valve interlocking vernier device, and the import of two safety valves is installed in the import three-way diverter valve, and outlet is installed in the outlet three-way diverter valve; Import and export the three-way diverter valve sprocket wheel and be installed on the import and export three-way diverter valve Stem Mut, and, prevent axial float by importing and exporting the locking of three-way diverter valve locking nut with import and export triplet commutation valve hand wheel; Import and export the three-way diverter valve sprocket wheel and adopt empty cover to be connected, directly the switch three-way diverter valve with Stem Mut; Import and export the triplet commutation valve hand wheel and adopt square the connection, the switch three-way diverter valve with import and export three-way diverter valve Stem Mut; Import three-way diverter valve sprocket wheel links to each other with chain with outlet three-way diverter valve sprocket wheel, switches wherein three-way diverter valve, and another also follows switching.
Import and export the three-way diverter valve sprocket wheel leaves 90 degree at a side endoporus drive block; Import and export the triplet commutation valve hand wheel leaves 90 degree on a side shaft drive block; Import and export the installation of three-way diverter valve sprocket wheel and handwheel after the drive block Contact Transmission of 90 degree; Import and export and freely rotate 180 degree after three-way diverter valve sprocket wheel and handwheel disengage, import and export the three-way diverter valve sprocket wheel and do not rotate, realize fine adjustment function.
The superior effect of the utility model is:
1) after three-way diverter valve sprocket wheel and triplet commutation valve hand wheel are installed; The drive block Contact Transmission of 90 degree, triplet commutation valve hand wheel and three-way diverter valve sprocket wheel disengage 180 degree free to rotate, and the three-way diverter valve sprocket wheel does not rotate; Realize fine adjustment function, eliminated the cumulative error of stroke;
2) simple in structure.
Description of drawings
Fig. 1 is the structural representation of the two three-way diverter valve interlocking of the utility model vernier device;
Fig. 2 is the side view of Fig. 1;
Fig. 3 is the schematic representation of the utility model sprocket wheel;
Fig. 4 is the side view of Fig. 3;
Fig. 5 is the schematic representation of the utility model handwheel;
Fig. 6 is the side view of Fig. 5;
Fig. 7 is that the A of Fig. 6 is to partial view;
Fig. 8 is the utility model interlocking vernier device operation import three-way diverter valve schematic representation;
Fig. 9 is the utility model interlocking vernier device operation outlet three-way diverter valve schematic representation;
Label declaration among the figure
1-import three-way diverter valve; 2-outlet three-way diverter valve;
3-safety valve; 4-import three-way diverter valve Stem Mut;
5-import three-way diverter valve sprocket wheel; 6-import triplet commutation valve hand wheel;
7-import three-way diverter valve locking nut; 8-outlet three-way diverter valve Stem Mut;
9-outlet three-way diverter valve sprocket wheel; 10-outlet triplet commutation valve hand wheel;
11-outlet three-way diverter valve locking nut; 12-chain;
13-drive block.
Embodiment
See also shown in the accompanying drawing, the utility model is done further to describe.
As depicted in figs. 1 and 2, the utility model provides a kind of pair of three-way diverter valve interlocking vernier device, comprising import three-way diverter valve 1, outlet three-way diverter valve 2, safety valve 3; Import three-way diverter valve Stem Mut 4, import three-way diverter valve sprocket wheel 5, import triplet commutation valve hand wheel 6, import three-way diverter valve locking nut 7, outlet three-way diverter valve Stem Mut 8, outlet three-way diverter valve sprocket wheel 9, outlet triplet commutation valve hand wheel 10, outlet three-way diverter valve locking nut 11, chain 12.
The outlet that the import of two safety valves 3 is installed in 1, two safety valve 3 of import three-way diverter valve is installed in outlet three-way diverter valve 2, realizes the using and the reserved of safety valve.Import three-way diverter valve sprocket wheel 5 is installed on the import three-way diverter valve Stem Mut 4 with import triplet commutation valve hand wheel 6, and by 7 lockings of import three-way diverter valve locking nut, prevents axial float.Equally, outlet three-way diverter valve sprocket wheel 9 is installed on the outlet three-way diverter valve Stem Mut 8 with outlet triplet commutation valve hand wheel 10, and by 11 lockings of import three-way diverter valve locking nut, prevents axial float.Import three-way diverter valve sprocket wheel 5 adopts empty cover to be connected with import three-way diverter valve Stem Mut 4; Direct switch import three-way diverter valve; Import triplet commutation valve hand wheel 6 adopts square the connection with import three-way diverter valve Stem Mut 4, but switch import three-way diverter valve 1.Equally; Outlet three-way diverter valve sprocket wheel 9 adopts empty cover to be connected with outlet three-way diverter valve Stem Mut 8; Directly switch outlet three-way diverter valve exports triplet commutation valve hand wheel 10 and 8 square connections of employing of outlet three-way diverter valve Stem Mut, but switch outlet three-way diverter valve 2.Import three-way diverter valve sprocket wheel 5 links to each other with outlet three-way diverter valve sprocket wheel 9 usefulness chains 12, switches wherein three-way diverter valve, and another also follows switching.
Import three-way diverter valve sprocket wheel 5 and outlet three-way diverter valve sprocket wheel 9 are like Fig. 3 and shown in Figure 4, at the drive block of remaining 90 degree of side endoporus processing.Import triplet commutation valve hand wheel 6 and outlet triplet commutation valve hand wheel 10 are processed the drive block of remaining 90 degree like Fig. 5, Fig. 6 and shown in Figure 7 on a side shaft.After import three-way diverter valve sprocket wheel 5 is installed with import triplet commutation valve hand wheel 6; The drive block Contact Transmission of 90 degree; Import triplet commutation valve hand wheel 6 disengages 180 degree free to rotate with import three-way diverter valve sprocket wheel 5, and import three-way diverter valve sprocket wheel 5 does not rotate, and realizes fine adjustment function.Outlet three-way diverter valve sprocket wheel 9 is installed transmission principle with import three-way diverter valve sprocket wheel 5 and import triplet commutation valve hand wheel 6 with outlet triplet commutation valve hand wheel 10.
The action of two three-way diverter valve interlocking vernier device divides operation import triplet commutation valve hand wheel 6 or operation outlet triplet commutation valve hand wheel 10 dual modes, and dual mode all need be realized fine adjustment function.Operation import triplet commutation valve hand wheel 6 is as shown in Figure 8, and schematic representation supposition import triplet commutation Valve travel exports little 0.25 pitch of three-way diverter valve, promptly exports triplet commutation valve hand wheel 10 and needs fine setting 0.25 circle (operation 90 degree).Step 1 is import three-way diverter valve sprocket wheel 5, import triplet commutation valve hand wheel 6, outlet three-way diverter valve sprocket wheel 9, outlet triplet commutation valve hand wheel 10 installation initial positions; Import three-way diverter valve sprocket wheel 5 is identical with outlet three-way diverter valve sprocket wheel 9 positions, and import triplet commutation valve hand wheel 6 differs 180 degree (i.e. 0.5 circle) with outlet triplet commutation valve hand wheel 10.Step 2 is for operation import triplet commutation valve hand wheel 6 and drive 5 rotations of import three-way diverter valve sprocket wheel; Import this moment three-way diverter valve sprocket wheel 5 drives outlet three-way diverter valve sprocket wheel 9 through chain 12 and rotates synchronously; Outlet three-way diverter valve sprocket wheel 9 drives outlet triplet commutation valve hand wheel 10 and rotates when rotating; Rotate a few back import three-way diverter valves and switched and put in place, the outlet three-way valve also switches and puts in place.Step 3 is operation outlet triplet commutation valve hand wheel 10; Because outlet three-way diverter valve sprocket wheel 9 disengages with outlet triplet commutation valve hand wheel 10; When outlet triplet commutation valve hand wheel 10 changeed 0.25 circle, outlet three-way diverter valve sprocket wheel 9 did not rotate, so import three-way diverter valve sprocket wheel 5 does not all rotate with import triplet commutation valve hand wheel 6; Realize the fine adjustment function of outlet three-way valve, eliminated the cumulative error of stroke.
Operation outlet triplet commutation valve hand wheel 10 is as shown in Figure 9, and schematic representation supposition import triplet commutation Valve travel exports little 0.25 pitch of three-way diverter valve, and promptly import triplet commutation valve hand wheel 10 needs fine setting 0.25 circle (operation 90 degree).Step 1 is import three-way diverter valve sprocket wheel 5, import triplet commutation valve hand wheel 6, outlet three-way diverter valve sprocket wheel 9, outlet triplet commutation valve hand wheel 10 installation initial positions; Import three-way diverter valve sprocket wheel 5 is identical with outlet three-way diverter valve sprocket wheel 9 positions, and import triplet commutation valve hand wheel 6 differs 180 degree (i.e. 0.5 circle) with outlet triplet commutation valve hand wheel 10.Step 2 is rotated 180 degree (i.e. 0.5 circle) for outlet triplet commutation valve hand wheel 10; Because outlet three-way diverter valve sprocket wheel 9 disengages with outlet triplet commutation valve hand wheel 10; Outlet three-way diverter valve sprocket wheel 9 does not rotate, so import three-way diverter valve sprocket wheel 5 does not all rotate with import triplet commutation valve hand wheel 6.Step 3 is operation outlet triplet commutation valve hand wheel 10 and drive outlet three-way diverter valve sprocket wheel 9 Rotate 180 degree (i.e. 0.5 circle), exports three-way diverter valve sprocket wheel 9 this moment and rotates synchronously through chain 12 drive import three-way diverter valve sprocket wheels 5.Because import three-way diverter valve sprocket wheel 5 disengages with import triplet commutation valve hand wheel 6, import triplet commutation valve hand wheel 6 does not rotate.After step 3, export three-way diverter valve than the outlet three-way diverter valve rotation of Duoing 1 circle.Step 4 is for operation outlet triplet commutation valve hand wheel 10 and drive 9 rotations of outlet three-way diverter valve sprocket wheel; Export three-way diverter valve sprocket wheel 9 this moment and drive import three-way diverter valve sprocket wheel 5 rotation synchronously through chain 12, import three-way diverter valve sprocket wheel 5 drives import triplet commutation valve hand wheel 6 and rotates when rotating.Rotate a few back outlet three-way diverter valves and switched and put in place, the import three-way valve also switches and puts in place.Step 5 is rotated 180 degree (i.e. 0.5 circle) for operation import triplet commutation valve hand wheel 6; Because import three-way diverter valve sprocket wheel 5 disengages with import triplet commutation valve hand wheel 6; Import this moment three-way diverter valve sprocket wheel 5 does not rotate, and outlet three-way diverter valve sprocket wheel 9 does not all rotate with outlet triplet commutation valve hand wheel 10 yet.After step 5, export three-way diverter valve than the outlet three-way diverter valve rotation of Duoing 0.5 circle.Step 6 is for operation import triplet commutation valve hand wheel 6 and drive import three-way diverter valve sprocket wheel 5 and revolve and turn 90 degrees (i.e. 0.25 circle), and import this moment three-way diverter valve sprocket wheel 5 drives outlet three-way diverter valve sprocket wheels 9 through chain 12 and rotates 90 synchronously and spend.Outlet three-way diverter valve sprocket wheel 9 disengages with outlet triplet commutation valve hand wheel 10, so outlet three-way diverter valve sprocket wheel 9 turn 90 degrees, but triplet commutation valve hand wheel 10 do not rotate, and the outlet three-way diverter valve does not rotate yet.After step 6, export three-way diverter valve, realize fine adjustment function, eliminated the cumulative error of stroke than the outlet three-way diverter valve rotation of Duoing 0.25 circle.
Claims (2)
1. two three-way diverter valves interlocking vernier device, the import of two safety valves is installed in the import three-way diverter valve, and outlet is installed in the outlet three-way diverter valve; It is characterized in that: import and export the three-way diverter valve sprocket wheel and be installed on the import and export three-way diverter valve Stem Mut with import and export triplet commutation valve hand wheel, and by importing and exporting the locking of three-way diverter valve locking nut; Import and export the three-way diverter valve sprocket wheel and adopt empty cover to be connected, directly the switch three-way diverter valve with Stem Mut; Import and export the triplet commutation valve hand wheel and adopt square the connection, the switch three-way diverter valve with import and export three-way diverter valve Stem Mut; Import three-way diverter valve sprocket wheel links to each other with chain with outlet three-way diverter valve sprocket wheel, switches wherein three-way diverter valve, and another also follows switching.
2. according to claim 1 pair of three-way diverter valve interlocking vernier device; It is characterized in that: import and export the three-way diverter valve sprocket wheel leaves 90 degree at a side endoporus drive block; Import and export the triplet commutation valve hand wheel leaves 90 degree on a side shaft drive block, import and export that the three-way diverter valve sprocket wheel is installed with handwheel after the drive block Contact Transmission of 90 degree, import and export and freely rotate 180 after the three-way diverter valve sprocket wheel disengages with handwheel and spend; Import and export the three-way diverter valve sprocket wheel and do not rotate, realize fine adjustment function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205717262U CN202418865U (en) | 2011-12-31 | 2011-12-31 | Double-tee reversing valve interlocking fine-regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205717262U CN202418865U (en) | 2011-12-31 | 2011-12-31 | Double-tee reversing valve interlocking fine-regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202418865U true CN202418865U (en) | 2012-09-05 |
Family
ID=46743629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205717262U Expired - Fee Related CN202418865U (en) | 2011-12-31 | 2011-12-31 | Double-tee reversing valve interlocking fine-regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202418865U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103591334A (en) * | 2013-11-22 | 2014-02-19 | 吴江市东吴机械有限责任公司 | Inlet and outlet double linkage changeover valve |
| CN104832946A (en) * | 2015-05-13 | 2015-08-12 | 北京矿大节能科技有限公司 | Extremely-low-concentration coal mine gas boiler reversing controlling method |
| CN110332364A (en) * | 2019-08-15 | 2019-10-15 | 上海阀门厂股份有限公司 | A kind of switching valve links online and isolation structure |
-
2011
- 2011-12-31 CN CN2011205717262U patent/CN202418865U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103470794B (en) * | 2013-09-13 | 2016-06-22 | 吴江市东吴机械有限责任公司 | Import and export double linkage changeover valve |
| CN103591334A (en) * | 2013-11-22 | 2014-02-19 | 吴江市东吴机械有限责任公司 | Inlet and outlet double linkage changeover valve |
| CN104832946A (en) * | 2015-05-13 | 2015-08-12 | 北京矿大节能科技有限公司 | Extremely-low-concentration coal mine gas boiler reversing controlling method |
| CN110332364A (en) * | 2019-08-15 | 2019-10-15 | 上海阀门厂股份有限公司 | A kind of switching valve links online and isolation structure |
| CN110332364B (en) * | 2019-08-15 | 2024-03-29 | 上海阀门厂股份有限公司 | Switching valve on-line linkage and isolation structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20171231 |