CN201268487Y - Internal cut-off valve apparatus of chemical tank - Google Patents
Internal cut-off valve apparatus of chemical tank Download PDFInfo
- Publication number
- CN201268487Y CN201268487Y CNU2008200683520U CN200820068352U CN201268487Y CN 201268487 Y CN201268487 Y CN 201268487Y CN U2008200683520 U CNU2008200683520 U CN U2008200683520U CN 200820068352 U CN200820068352 U CN 200820068352U CN 201268487 Y CN201268487 Y CN 201268487Y
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- screw
- piston
- bolt seat
- valve
- nut
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Abstract
The utility model relates to the field of chemical engineering transport vehicles, in particular to a built-in trip valve of a chemical tank. A valve body is arranged on a discharge opening on the bottom in a tank body and is connected with the tank body through reinforced ribs, the valve body and a piston are sealed in a form of an end face, and a gland bush is arranged on the end face of the piston and is compressed by screw nuts; a spherical connecting rod, a short screw rod, a steel tube and a double threaded screw are assembled together, the double threaded screw is in threaded connection with a long screw nut welded in the steel tube, the short screw rod is welded with the steel tube, and a ball valve connecting rod is in threaded connection with the short screw rod; a press block and the piston are arranged on the spherical connecting rod and are compressed by bolts; a sealing ring is arranged in a switch bolt seat and is compressed by a compressed screw thread plate; the upper section of the double threaded screw is inserted in and extends out of the switch bolt seat, is sleeved with an intermediate force applying block to be connected with a force applying screw nut and is sealed and welded by a plastic welding ring; and a switch threaded sleeve is arranged on the switch bolt seat and is connected and locked with the intermediate force applying block by bolts. Due to the adoption of the technical scheme, the utility model has simple structure, ensures safe cutting and emergent cutting of a liquid channel in the tank and has functions of acid and alkali resistance and corrosion prevention.
Description
Technical field
The utility model relates to chemical industry transport trolley field, is the built-in shutoff valve device of a kind of chemical tank.
Technical background
Employing is that the poly-tetrafluoro butterfly valve of stainless steel lining seals by butterfly sheet circumference and valve body hole wall in the former chemical industry transport trolley tank body, has the maintenance inconvenience, changes the butterfly sheet of corrosion-resistant steel butterfly valve, disassemble difficulty, and the butterfly sheet is very expensive, and leak tightness is poor.
Summary of the invention
The purpose of this utility model is to provide a kind of new chemical tank built-in shutoff valve device.
The utility model has been installed a valve body above being achieved in that bottom drain hole in tank body, is connected with tank body by reinforced rib, and valve body and piston seal with end pattern, load onto packing seal at piston end surface, compress with nut; Ball coupling bar, short screw, steel pipe and two-thread screw are fitted together, two-thread screw and the long nut that is welded on guiding principle pipe the inside are for being threaded, short screw and guiding principle pipe are welding, and ball valve pipe link and short screw are used their junction of plastics scolder soldering and sealing for being threaded after connecting; Briquetting and piston install on the ball coupling bar and with bolt briquetting and piston are compressed, and with adding fierce circle they are welded; The seal ring of packing in the cock bolt seat compresses with the collet threaded plate; The epimere of two-thread screw is packed into and is stretched out the cock bolt seat, and afterburning piece is connected with the afterburning nut of valve rod in the middle of putting, and encloses soldering and sealing with the plastics weldering; Cock bolt seat and packing seal are contained on the tank body with bolt; The switch swivel nut is contained on the cock bolt seat, and locks with the afterburning piece bolt together in centre; Handle is connected on the cock bolt seat.
Short screw, steel pipe, two-thread screw all are hardwares, and the assembling front surface has all been fired one deck plastics;
Shutoff valve adopts Plastic Parts and metal piece outside to fire plastic protective layer.
Owing to adopted technique scheme, the utility model is simple in structure, has guaranteed the safety cut-off and the emergency cut-off of pot liquid passage, and has acid and alkali-resistance, corrosion proof function.
Description of drawings
Fig. 1 is a cross-sectional view of the present utility model.
In the drawings: 1, valve body; 2, ball-type pipe link; 3, briquetting; 4, piston; 5, packing seal; 6, nut; 7, add fierce circle; 8, nut; 9, reinforced rib; 10, short screw; 11, steel pipe; 12, high nut; 13, two-thread screw; 14, bearing cap shim; 15, packing seal; 16, cock bolt seat; 17, switch swivel nut; 18, seal ring; 19, collet threaded plate; 20, the afterburning nut of valve rod; 21, bolt; 22, handle; 23, intermediate pressure piece; 24, bolt; 25, tank body; 26, drain hole.
The specific embodiment
The utility model is further described below in conjunction with drawings and Examples.
At Fig. 1, above the bottom drain hole (26) in tank body (25) valve body (1) has been installed, has been connected with tank body (25) by reinforced rib (9), valve body (1) seals with end pattern with piston (4), load onto packing seal (5) at piston (4) end face, compress with nut (6); Ball coupling bar (2), short screw (10), steel pipe (11) and two-thread screw (13) are fitted together, two-thread screw (13) and the long nut that is welded on guiding principle pipe (11) the inside are for being threaded, short screw (10) is welding with guiding principle pipe (11), ball valve pipe link (2) and short screw (10) be for being threaded, and connects the back with their junction of plastics scolder soldering and sealing; Briquetting (3) and piston (4) install to ball coupling bar (2) and upward with bolt (8) briquetting (3) and piston (4) are compressed, and with adding fierce circle (7) they are welded; The seal ring (18) of packing in the cock bolt seat (16) compresses with collet threaded plate (19); The epimere of two-thread screw (13) is packed into and is stretched out cock bolt seat (16), and afterburning piece (23) is connected with the afterburning nut of valve rod (20) in the middle of putting, and encloses soldering and sealing with the plastics weldering; Cock bolt seat (16) and packing seal (15) are contained on the tank body (25) with bolt (24); Switch swivel nut (17) is contained on the cock bolt seat (16), and is connected locking with the afterburning piece in centre (23) with bolt (21); Handle (22) is connected on the cock bolt seat (16).
2, short screw according to claim 1 (10), steel pipe (11), two-thread screw (13) all are hardwares, and the assembling front surface has all been fired one deck plastics.
Shutoff valve adopts Plastic Parts and metal piece outside to fire plastic protective layer, reaches acid and alkali-resistance, anti-corrosion effect.
Shut-off valve body partly places the inner drain hole of tank body (25) (26), and drain hole (26) bottom communicates with ball valve.Shutoff valve is a normal closed gate, and during blowing, this opening of valves after ball valve is finished blowing and closed, is just closed this valve, to cut off the path of pot liquid and ball valve, avoids the ball valve seepage, promptly plays the effect of safety cut-off.When blowing, can not close in case of ball valve is out of control, just can close this valve, cut off the liquid road, promptly play the effect of emergency cut-off.
Claims (2)
1, the built-in shutoff valve device of chemical tank, it is characterized in that above the bottom drain hole (26) in tank body (25) valve body (1) being installed, be connected with tank body (25) by reinforced rib (9), valve body (1) seals with end pattern with piston (4), load onto packing seal (5) at piston (4) end face, compress with nut (6); Ball coupling bar (2), short screw (10), steel pipe (11) and two-thread screw (13) are fitted together, two-thread screw (13) and the long nut that is welded on guiding principle pipe (11) the inside are for being threaded, short screw (10) is welding with guiding principle pipe (11), ball valve pipe link (2) and short screw (10) be for being threaded, and connects the back with their junction of plastics scolder soldering and sealing; Briquetting (3) and piston (4) install to ball coupling bar (2) and upward with bolt (8) briquetting (3) and piston (4) are compressed, and with adding fierce circle (7) they are welded; The seal ring (18) of packing in the cock bolt seat (16) compresses with collet threaded plate (19); The epimere of two-thread screw (13) is packed into and is stretched out cock bolt seat (16), and afterburning piece (23) is connected with the afterburning nut of valve rod (20) in the middle of putting, and encloses soldering and sealing with the plastics weldering; Cock bolt seat (16) and packing seal (15) are contained on the tank body (25) with bolt (24); Switch swivel nut (17) is contained on the cock bolt seat (16), and is connected locking with the afterburning piece in centre (23) with bolt (21); Handle (22) is connected on the cock bolt seat (16).
2, the built-in shutoff valve device of chemical tank according to claim 1 is characterized in that short screw (10), steel pipe (11), two-thread screw (13) all are hardwares, and the assembling front surface has all been fired one deck plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200683520U CN201268487Y (en) | 2008-07-09 | 2008-07-09 | Internal cut-off valve apparatus of chemical tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200683520U CN201268487Y (en) | 2008-07-09 | 2008-07-09 | Internal cut-off valve apparatus of chemical tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201268487Y true CN201268487Y (en) | 2009-07-08 |
Family
ID=40841079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200683520U Expired - Fee Related CN201268487Y (en) | 2008-07-09 | 2008-07-09 | Internal cut-off valve apparatus of chemical tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201268487Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927293A (en) * | 2012-11-08 | 2013-02-13 | 杭州杭氧工装泵阀有限公司 | Emergency cut-off valve at bottom of built-in tank in low-temperature liquid storage tank |
| CN103359424A (en) * | 2012-03-30 | 2013-10-23 | 中集车辆（集团）有限公司 | Tank-type transport vehicle and stop valve device in tank |
| CN105526349A (en) * | 2016-03-10 | 2016-04-27 | 德州高科力液压有限公司 | Automatic quick cover opening and closing mechanism of container |
-
2008
- 2008-07-09 CN CNU2008200683520U patent/CN201268487Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359424A (en) * | 2012-03-30 | 2013-10-23 | 中集车辆（集团）有限公司 | Tank-type transport vehicle and stop valve device in tank |
| CN103359424B (en) * | 2012-03-30 | 2017-12-19 | 中集车辆（集团）有限公司 | Pot type transport vehicle and its tank interior cut-out valve gear |
| CN102927293A (en) * | 2012-11-08 | 2013-02-13 | 杭州杭氧工装泵阀有限公司 | Emergency cut-off valve at bottom of built-in tank in low-temperature liquid storage tank |
| CN102927293B (en) * | 2012-11-08 | 2014-09-03 | 杭州杭氧工装泵阀有限公司 | Emergency cut-off valve at bottom of built-in tank in low-temperature liquid storage tank |
| CN105526349A (en) * | 2016-03-10 | 2016-04-27 | 德州高科力液压有限公司 | Automatic quick cover opening and closing mechanism of container |
| CN105526349B (en) * | 2016-03-10 | 2017-05-17 | 德州高科力液压有限公司 | Automatic quick cover opening and closing mechanism of container |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090708 Termination date: 20100709 |