CN207500461U - A kind of special type pressure vessel fast and safely closing device - Google Patents
A kind of special type pressure vessel fast and safely closing device Download PDFInfo
- Publication number
- CN207500461U CN207500461U CN201721500738.XU CN201721500738U CN207500461U CN 207500461 U CN207500461 U CN 207500461U CN 201721500738 U CN201721500738 U CN 201721500738U CN 207500461 U CN207500461 U CN 207500461U
- Authority
- CN
- China
- Prior art keywords
- hollow stem
- screw thread
- cover body
- pressure vessel
- sealing cover
- 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.)
- Expired - Fee Related
Links
Landscapes
- Cookers (AREA)
Abstract
The utility model discloses a kind of extraordinary pressure vessel fast and safely closing devices, relate generally to pressure vessel technology field.Including reaction kettle housing, the reaction kettle housing is equipped with stepped feed inlet, sealing cover body is equipped in the stepped feed inlet, the middle part of the sealing cover body is equipped with hollow stem, the outer wall of the bottom of the hollow stem is equipped with venthole, the bottom end of the hollow stem is equipped with sealing plate, return spring is arranged on the hollow stem, the hollow stem is equipped with supporting sleeve, array is equipped with several connecting rods on the supporting sleeve, one end of the connecting rod is hinged with supporting sleeve, the other end is hinged with clamping block, the lock slots being adapted with clamping block are equipped in the stepped feed inlet, the top of the supporting sleeve is equipped with screw thread pressing sleeve, the screw thread pressing sleeve is equipped with handwheel.The beneficial effects of the utility model are：It is safe to use, can quickly opening and closing pressure vessel and can in Opening pressure container releasing pressure automatically.
Description
Technical field
The utility model is related to pressure vessel technology field, fast and safely folding fills specifically a kind of special type pressure vessel
It puts.
Background technology
At present, pressure vessel is required for greatly often opening when in use, and existing pressure vessel quickly opening and closing device is main
There are clamping hoop type, tooth-type, compression type etc., above-mentioned closing device mostly from the angle of quickly opening and closing, has ignored pressure vessel
The problem of safety during folding, when pressure vessel not yet pressure release or incomplete pressure release, and pressure vessel is opened by mistake when opening, and is being opened
During opening, the pressure in pressure vessel is it is possible that can pop up the sealing cover body of pressure vessel, easily to the work people of surrounding
Member damages, and then forms safety accident.
Utility model content
The use of the new type be designed to provide it is a kind of it is safe to use, quickly opening and closing pressure vessel and can open
Self-relieving special type pressure vessel fast and safely closing device during pressure vessel.
The utility model to achieve the above object, is achieved through the following technical solutions：
A kind of special type pressure vessel fast and safely closing device, including reaction kettle housing, the reaction kettle housing is equipped with
Stepped feed inlet, the stepped feed inlet is interior to be equipped with sealing cover body, and the middle part of the sealing cover body is equipped with hollow stem, described
Hollow stem extends vertically through sealing cover body and is slidably connected with sealing cover body, and the outer wall of the bottom of the hollow stem is equipped with ventilation
Hole, the bottom end of the hollow stem are equipped with sealing plate, and the bottom of the sealing cover body is equipped with the groove being adapted with sealing plate, described
The first sealing ring is inlaid in groove, return spring is arranged on the hollow stem, the bottom of the sealing cover body is equipped with returning
The accommodating chamber that position spring is adapted, one end of the return spring are abutted with sealing plate, and the other end is abutted with accommodating chamber, described close
The plan vertical of sealing plate is equipped with lead, and the bottom of the sealing cover body is equipped with the pilot hole being adapted with lead, the sky
Core bar is equipped with supporting sleeve, and the supporting sleeve is located at the top of sealing cover body and is slidably connected with hollow stem, on the supporting sleeve
Array is equipped with several connecting rods, and one end and the supporting sleeve of the connecting rod be hinged, and the other end is hinged with clamping block, the clamping block and
Sealing cover body is slidably connected, and the lock slots being adapted with clamping block, the top of the supporting sleeve are equipped in the stepped feed inlet
Portion is equipped with screw thread pressing sleeve, and the top of the hollow stem is equipped with the external screw thread being adapted with screw thread pressing sleeve, is set on the screw thread pressing sleeve
There is handwheel.
The second sealing ring is inlaid on the side wall of the sealing plate.
The bottom of the screw thread pressing sleeve is inlaid with ball.
The screw thread pressing sleeve includes thread bush, and the bottom of the thread bush is equipped with pressing sleeve, and the internal diameter of the pressing sleeve is more than sky
The outer diameter of core bar, the internal diameter of the pressing sleeve are less than the outer diameter of supporting sleeve.
The clamping block is wedge block.
The prior art is compared, the beneficial effects of the utility model are：
1st, when the clamping block of present patent application is caught in lock slots, sealing cover body can be fixed on to stepped feed inlet
In, reaction kettle housings close can be rotated handwheel, screw thread pressing sleeve can be driven to rotate, screw thread pressing sleeve can be made along hollow stem
It moves up and down, lead coordinates with pilot hole, can prevent hollow stem during rotation handwheel from rotating, screw thread pressing sleeve is downward along hollow stem
When mobile, sealing plate moves up, and return spring is compressed, and sealing plate enters in groove, and screw thread pressing sleeve pushes down on supporting sleeve, through even
Bar is driven, and clamping block can be made to be caught in lock slots, be completed the closing of pressure vessel, rotate backward handwheel, can make screw thread pressure
Set is moved up along hollow stem, and return spring resets, and is pressed down against sealing plate, and sealing plate drives hollow stem to move down, and venthole is sudden and violent
Leakage is in reaction kettle housing, and high pressure gas enters hollow stem through venthole in reaction kettle housing, is discharged by the top of hollow stem, energy
Enough avoid the occurrence of that sealing cover body is ejected shows, and handwheel is rotated further, along hollow stem upward sliding supporting sleeve, you can will lock
Block is extracted from lock slots, completes the unlatching of pressure vessel, being capable of quickly opening and closing pressure vessel and can be in Opening pressure container
When releasing pressure automatically, it is safe to use.
2nd, be inlaid with the second sealing ring on the side wall of the sealing plate of the utility model, can be further ensured that sealing plate with it is recessed
Leakproofness between slot can ensure the leakproofness of pressure vessel.
3rd, the bottom of the screw thread pressing sleeve of the utility model is inlaid with ball, can reduce between screw thread pressing sleeve and supporting sleeve
Frictional force can be convenient for rotation screw thread pressing sleeve, convenient for being pressed down against supporting sleeve.
4th, the screw thread pressing sleeve of the utility model includes thread bush, and the bottom of the thread bush is equipped with pressing sleeve, the pressing sleeve
Internal diameter is more than the outer diameter of hollow stem, and the outer diameter of the pressing sleeve is less than the outer diameter of supporting sleeve, can reduce externally threaded on hollow stem
Processing capacity can reduce cost of manufacture.
5th, the clamping block of the utility model is wedge block, can sealing cover body be locked at the same of stepped feed inlet
When, sealing cover body is pressed down against, can prevent sealing cover body from trembleing up and down, can be further ensured that the leakproofness of pressure vessel.
Description of the drawings
Attached drawing 1 is the structure diagram of the utility model；
Attached drawing 2 is the A portions enlarged drawing of attached drawing 1；
Attached drawing 3 is the schematic diagram of the structure of screw thread pressing sleeve.
Attached figure label：1st, reaction kettle housing；2nd, stepped feed inlet；3rd, sealing cover body；4th, hollow stem；5th, venthole；
6th, sealing plate；7th, groove；8th, the first sealing ring；9th, return spring；10th, accommodating chamber；11st, lead；12nd, pilot hole；13rd, it supports
Set；14th, connecting rod；15th, clamping block；16th, lock slots；17th, screw thread pressing sleeve；18th, handwheel；19th, the second sealing ring；20th, ball；21、
Thread bush；22nd, pressing sleeve.
Specific embodiment
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please limited range.
Described in the utility model is a kind of extraordinary pressure vessel fast and safely closing device, described including reaction kettle housing 1
Reaction kettle housing 1 is equipped with stepped feed inlet 2, and sealing cover body 3 is equipped in the stepped feed inlet 2.The sealing cover body 3
Middle part be equipped with hollow stem 4, with hollow stem 4 be adapted through hole, the hollow stem 4 extend vertically through sealing cover body 3 and with it is close
Closure body 3 is slidably connected, and hollow stem 4 can slide up and down.The outer wall of the bottom of the hollow stem 4 is equipped with venthole 5, described
The bottom end of hollow stem 4 is equipped with sealing plate 6, and sealing plate 6 seals the bottom opening of hollow stem 4, the high pressure gas in reaction kettle housing 1
Body can be entered by venthole 5 in hollow stem 4, and be discharged by the open top of hollow stem 4.The bottom of the sealing cover body 3 is equipped with
The groove 7 being adapted with sealing plate 6 is inlaid with the first sealing ring 8 in the groove 7, and sealing plate 6 enters in groove 7, can will
Through hole sealing on sealing cover body 3.Return spring 9 is arranged on the hollow stem 4, the bottom of sealing cover body 3 is equipped with returning
The adaptable accommodating chamber 10 of position spring 9, one end of the return spring 9 are abutted with sealing plate 6, and the other end is supported with accommodating chamber 10
It connects, return spring 9 gives sealing plate 6 downward thrust.The plan vertical of the sealing plate 6 is equipped with lead 11, the sealing
The bottom of cover 3 is equipped with the pilot hole 12 being adapted with lead 11, and lead 11 coordinates with pilot hole 12, can ensure hollow
Bar 4 vertically moves, and can prevent hollow stem 4 from rotating.The hollow stem 4 is equipped with supporting sleeve 13, the supporting sleeve 13
It is slidably connected in the top of sealing cover body 3 and with hollow stem 4, supporting sleeve 13 can be slided up and down along hollow stem 4.The supporting sleeve
Array is equipped with several connecting rods 14 on 13, and one end of the connecting rod 14 is hinged with supporting sleeve 13, and the other end is hinged with clamping block 15,
The clamping block 15 is slidably connected with sealing cover body 3, and clamping block 15 can be slided along sealing cover body 3, the stepped feed inlet 2
It is interior to be equipped with the lock slots 16 being adapted with clamping block 15, when clamping block 15 is caught in lock slots 16, sealing cover body 3 can be fixed
In stepped feed inlet 2, reaction kettle housing 1 can be closed.The top of the supporting sleeve 13 is equipped with screw thread pressing sleeve 17, described
The top of hollow stem 4 is equipped with the external screw thread being adapted with screw thread pressing sleeve 17, and the screw thread pressing sleeve 17 is equipped with handwheel 18, rotates hand
Wheel 18, can drive screw thread pressing sleeve 17 to be slided up and down along hollow stem 4.
In use, lead 11 coordinates with pilot hole 12, it can prevent hollow stem 4 during rotation handwheel 18 from rotating, rotate hand
Wheel 18, screw thread pressing sleeve 17 along hollow stem 4 move down when, sealing plate 6 moves up, and return spring 9 is compressed, sealing plate 6 enter it is recessed
In slot 7, screw thread pressing sleeve 17 pushes down on supporting sleeve 13, and through connecting rod 14 is driven, and clamping block 15 can be made to be caught in lock slots 16, complete
Into the closing of pressure vessel, handwheel 18 is rotated backward, screw thread pressing sleeve 17 can be made to be moved up along hollow stem 4, return spring 9 is multiple
Position is pressed down against sealing plate 6, and sealing plate 6 drives hollow stem 4 to move down, and the leakage cruelly of venthole 5 reacts still shell in reaction kettle housing 1
High pressure gas enters hollow stem 4 through venthole in body 1, is discharged by the top of hollow stem 4, can avoid the occurrence of 3 quilt of sealing cover body
Showing for pop-up, is rotated further handwheel 18, along 4 upward sliding supporting sleeve 13 of hollow stem, you can by clamping block 15 from lock slots 16
The unlatching of pressure vessel is completed in middle extraction, can quickly opening and closing pressure vessel and can in Opening pressure container releasing pressure automatically,
It is safe to use.
In order to ensure the leakproofness of pressure vessel, the second sealing ring 19, Neng Goujin is inlaid on the side wall of the sealing plate 6
One step ensures the leakproofness between sealing plate and groove, can ensure the leakproofness of pressure vessel.
For the ease of being pressed down against supporting sleeve, the bottom of the screw thread pressing sleeve 17 is inlaid with ball 20, and screw thread pressing sleeve 17 is logical
Ball 20 and 13 point contact of supporting sleeve are crossed, the frictional force between screw thread pressing sleeve 17 and supporting sleeve 13 can be reduced, can be convenient for turning
Dynamic screw thread pressing sleeve, convenient for being pressed down against supporting sleeve.
In order to reduce cost of manufacture, the screw thread pressing sleeve 17 includes thread bush 21, and the bottom of the thread bush 21 is equipped with pressure
Set 22, the internal diameter of the pressing sleeve 22 are more than the outer diameter of hollow stem 4, and the internal diameter of the pressing sleeve 22 is less than the outer diameter of supporting sleeve 13, energy
Externally threaded processing capacity on hollow stem 4 is enough reduced, cost of manufacture can be reduced.
In order to further ensure the leakproofness of pressure vessel, the clamping block 15 is wedge block, can be by sealing cover body 3
While being locked at stepped feed inlet 2, sealing cover body 3 is pressed down against, can prevent sealing cover body from being trembleed about 3, Neng Goujin
One step ensures the leakproofness of pressure vessel.
Embodiment：Described in the utility model is a kind of extraordinary pressure vessel fast and safely closing device, including reacting still shell
Body 1, the reaction kettle housing 1 are equipped with stepped feed inlet 2, sealing cover body 3, sealing are equipped in the stepped feed inlet 2
Cover 3 is the stepped cylinder body being adapted with stepped feed inlet 2.The middle part of the sealing cover body 3 be equipped with hollow stem 4, with
The adaptable through hole of hollow stem 4, the upper and lower ends of hollow stem 4 are equipped with opening, and hollow stem 4 is inserted through in hole, and can
It is slided up and down along through hole.The outer wall of the bottom of the hollow stem 4 is equipped with venthole 5, and the bottom end of the hollow stem 4 is welded with
Sealing plate 6, sealing plate 6 seal the bottom opening of hollow stem 4, and the high pressure gas in reaction kettle housing 1 can be entered by venthole 5
In hollow stem 4, and discharged by the open top of hollow stem 4.The bottom of the sealing cover body 3 is equipped with what is be adapted with sealing plate 6
Groove 7 is inlaid with the first sealing ring 8 in the groove 7, and sealing plate 6 enters in groove 7, can be by running through on sealing cover body 3
Hole seals.The second sealing ring 19 is inlaid on the side wall of the sealing plate 6, passes through the first sealing ring 8 and the second sealing ring 19
Double-layer seal can ensure the leakproofness of through hole, can ensure sealing for pressure vessels.Return is arranged on the hollow stem 4
Spring 9, the bottom of sealing cover body 3 are equipped with the accommodating chamber 10 being adapted with return spring 9, one end of the return spring 9 with it is close
Sealing plate 6 abuts, and the other end is abutted with accommodating chamber 10, and return spring 9 gives sealing plate 6 downward thrust.The top of the sealing plate 6
Portion's vertical symmetry is equipped with lead 11, and the bottom of the sealing cover body 3 is equipped with the pilot hole 12 being adapted with lead 11, is oriented to
Column 11 coordinates with pilot hole 12, can ensure that hollow stem 4 vertically moves, can prevent hollow stem 4 from rotating.The hollow stem
4 are equipped with supporting sleeve 13, and the internal diameter of supporting sleeve 13 is slightly larger than the outer diameter of hollow stem 4, and the supporting sleeve 13 is located at sealing cover body 3
It top and is slidably connected with hollow stem 4, supporting sleeve 13 can be slided up and down along hollow stem 4.Array is equipped on the supporting sleeve 13
Four connecting rods 14, one end of the connecting rod 14 is hinged by articulation piece and supporting sleeve 13, and the other end is hinged with clamping block 15, described
The bottom of clamping block 15 is equipped with T-block, and the top of the sealing cover body 3 is adapted along being radially provided with for sealing cover body 3 with T-block
T-shaped sliding slot, clamping block 15 can slide along the T-shaped sliding slot on sealing cover body 3, be equipped in stepped feed inlet 2 and clamping block
15 adaptable lock slots 16, lock slots 16 in a ring, when clamping block 15 is caught in lock slots 16, can consolidate sealing cover body 3
It is scheduled in stepped feed inlet 2, reaction kettle housing 1 can be closed.Preferably, as shown in Figure 1, in the height direction, it is close
The top of closure body 3 is located at the middle part of lock slots 16, and the clamping block 15 is wedge block, can be locked at by sealing cover body 3
While stepped feed inlet 2, sealing cover body 3 is pressed down against, can prevent sealing cover body from being trembleed about 3, can further protect
Demonstrate,prove the leakproofness of pressure vessel.The top of the supporting sleeve 13 is equipped with screw thread pressing sleeve 17, and screw thread pressing sleeve 17 is equipped with internal thread, institute
The top for stating hollow stem 4 is equipped with the external screw thread being adapted with screw thread pressing sleeve 17, and the screw thread pressing sleeve 17 is equipped with handwheel 18, handwheel
18 are keyed with screw thread pressing sleeve 17, rotate handwheel 18, screw thread pressing sleeve 17 can be driven to be slided up and down along hollow stem 4.The screw thread
The bottom of pressing sleeve 17 is inlaid with ball 20, and screw thread pressing sleeve 17 can reduce screw thread pressure by ball 20 and 13 point contact of supporting sleeve
Frictional force between set 17 and supporting sleeve 13 can be convenient for rotation screw thread pressing sleeve, convenient for being pressed down against supporting sleeve.The screw thread pressure
Set 17 includes thread bush 21, and the bottom of the thread bush 21 is welded with pressing sleeve 22, and the internal diameter of the pressing sleeve 22 is more than hollow stem 4
Outer diameter, the internal diameter of the pressing sleeve 22 are less than the outer diameter of supporting sleeve 13, can reduce externally threaded processing capacity on hollow stem 4, can
Reduce cost of manufacture.In use, lead 11 coordinates with pilot hole 12, it can prevent hollow stem 4 during rotation handwheel 18 from rotating, turn
Start wheel 18, screw thread pressing sleeve 17 along hollow stem 4 move down when, sealing plate 6 moves up, and return spring 9 is compressed, sealing plate 6 into
Enter in groove 7, screw thread pressing sleeve 17 pushes down on supporting sleeve 13, and through connecting rod 14 is driven, and clamping block 15 can be made to be caught in lock slots 16
In, the closing of pressure vessel is completed, rotates backward handwheel 18, screw thread pressing sleeve 17 can be made to be moved up along hollow stem 4, return bullet
Spring 9 resets, and is pressed down against sealing plate 6, and sealing plate 6 drives hollow stem 4 to move down, and leakage is in reaction kettle housing 1 cruelly for venthole 5, instead
High pressure gas in still shell body 1 is answered to enter hollow stem 4 through venthole, is discharged by the top of hollow stem 4, sealing cover can be avoided the occurrence of
What body 3 was ejected shows, and is rotated further handwheel 18, along 4 upward sliding supporting sleeve 13 of hollow stem, you can by clamping block 15 from locking
It is extracted in slot 16, completes the unlatching of pressure vessel, it being capable of quickly opening and closing pressure vessel and can be automatic in Opening pressure container
Pressure release, it is safe to use.
Claims (5)
1. a kind of special type pressure vessel fast and safely closing device, including reaction kettle housing (1), on the reaction kettle housing (1)
Equipped with stepped feed inlet (2), sealing cover body (3) is equipped in the stepped feed inlet (2), it is characterized in that：The sealing cover
The middle part of body (3) is equipped with hollow stem (4), and the hollow stem (4) extends vertically through sealing cover body (3) and slided with sealing cover body (3)
Connection, the outer wall of the bottom of the hollow stem (4) are equipped with venthole (5), and the bottom end of the hollow stem (4) is equipped with sealing plate
(6), the bottom of the sealing cover body (3) is equipped with the groove (7) being adapted with sealing plate (6), and the is inlaid in the groove (7)
One sealing ring (8) is arranged with return spring (9) on the hollow stem (4), and the bottom of the sealing cover body (3) is equipped with and return
The adaptable accommodating chamber (10) of spring (9), one end of the return spring (9) are abutted with sealing plate (6), the other end and accommodating chamber
(10) it abuts, the plan vertical of the sealing plate (6) is equipped with lead (11), and the bottom of the sealing cover body (3) is equipped with leading
The pilot hole (12) being adapted to column (11), the hollow stem (4) are equipped with supporting sleeve (13), and the supporting sleeve (13) is positioned at close
It the top of closure body (3) and being slidably connected with hollow stem (4), array is equipped with several connecting rods (14) on the supporting sleeve (13),
One end of the connecting rod (14) is hinged with supporting sleeve (13), and the other end is hinged with clamping block (15), the clamping block (15) with it is close
Closure body (3) is slidably connected, and the lock slots (16) being adapted with clamping block (15), institute are equipped in the stepped feed inlet (2)
The top for stating supporting sleeve (13) is equipped with screw thread pressing sleeve (17), and the top of the hollow stem (4) is equipped with mutually fits with screw thread pressing sleeve (17)
The external screw thread answered, the screw thread pressing sleeve (17) are equipped with handwheel (18).
2. a kind of extraordinary pressure vessel according to claim 1 fast and safely closing device, it is characterized in that：The sealing plate
(6) the second sealing ring (19) is inlaid on side wall.
3. a kind of extraordinary pressure vessel according to claim 1 fast and safely closing device, it is characterized in that：The screw thread pressure
The bottom of set (17) is inlaid with ball (20).
4. a kind of extraordinary pressure vessel according to claim 1 fast and safely closing device, it is characterized in that：The screw thread pressure
Set (17) includes thread bush (21), and the bottom of the thread bush (21) is equipped with pressing sleeve (22), and the internal diameter of the pressing sleeve (22) is more than
The outer diameter of hollow stem (4), the internal diameter of the pressing sleeve (22) are less than the outer diameter of supporting sleeve (13).
5. a kind of extraordinary pressure vessel according to claim 1 fast and safely closing device, it is characterized in that：The clamping block
(15) it is wedge block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721500738.XU CN207500461U (en) | 2017-11-10 | 2017-11-10 | A kind of special type pressure vessel fast and safely closing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721500738.XU CN207500461U (en) | 2017-11-10 | 2017-11-10 | A kind of special type pressure vessel fast and safely closing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207500461U true CN207500461U (en) | 2018-06-15 |
Family
ID=62503920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721500738.XU Expired - Fee Related CN207500461U (en) | 2017-11-10 | 2017-11-10 | A kind of special type pressure vessel fast and safely closing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207500461U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758016A (en) * | 2018-08-02 | 2018-11-06 | 超达阀门集团股份有限公司 | With the ball valve for opening and closing device |
| CN108799538A (en) * | 2018-08-02 | 2018-11-13 | 超达阀门集团股份有限公司 | A kind of control ball valve with opening and closing device |
| CN109084023A (en) * | 2018-09-18 | 2018-12-25 | 浙江工搪化工设备有限公司 | Pressure vessel for adjustable compression type glass lining equipment |
| CN114104227A (en) * | 2021-10-27 | 2022-03-01 | 浙江东溟科技有限公司 | Underwater sealed cabin |
-
2017
- 2017-11-10 CN CN201721500738.XU patent/CN207500461U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758016A (en) * | 2018-08-02 | 2018-11-06 | 超达阀门集团股份有限公司 | With the ball valve for opening and closing device |
| CN108799538A (en) * | 2018-08-02 | 2018-11-13 | 超达阀门集团股份有限公司 | A kind of control ball valve with opening and closing device |
| CN108799538B (en) * | 2018-08-02 | 2023-06-13 | 超达阀门集团股份有限公司 | Control ball valve with opening and closing device |
| CN108758016B (en) * | 2018-08-02 | 2023-08-01 | 超达阀门集团股份有限公司 | Ball valve with opening and closing device |
| CN109084023A (en) * | 2018-09-18 | 2018-12-25 | 浙江工搪化工设备有限公司 | Pressure vessel for adjustable compression type glass lining equipment |
| CN114104227A (en) * | 2021-10-27 | 2022-03-01 | 浙江东溟科技有限公司 | Underwater sealed cabin |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207500461U (en) | A kind of special type pressure vessel fast and safely closing device | |
| KR101020379B1 (en) | Metal can | |
| CN101570256B (en) | Sleeved press-off-type storage device with close cover having raising prestress | |
| CN206125782U (en) | Wine barrel seal lid | |
| CN207921412U (en) | A kind of minute-pressure startup check valve | |
| KR200469854Y1 (en) | Mixing container | |
| CN101865313B (en) | Petroleum gas steel bottle control valve | |
| CN218063926U (en) | Quick-opening blind plate for guaranteeing closing reliability | |
| CN210661337U (en) | Pressure container with upward opening door | |
| CN218063925U (en) | Quick-opening blind plate capable of guaranteeing closing reliability | |
| CN206590257U (en) | The anti-swollen bucket type container bucket of one kind | |
| CN215137085U (en) | Automatic loading and unloading equipment of supercritical extraction kettle | |
| CN201715003U (en) | Petroleum gas steel bottle control valve | |
| CN207252984U (en) | A kind of safety-type improvement umbrella for facilitating folding | |
| CN208963809U (en) | A kind of harmful influence storage tank with emergency decompression function | |
| CN220448531U (en) | Drinking water bucket cover with good sealing effect | |
| CN214691124U (en) | Bottom-pushing type double-material combination bottle | |
| CN2685231Y (en) | Two-purpose life-saving inflating device on water | |
| CN207169673U (en) | Closure and reactor for reactor | |
| CN206439395U (en) | A kind of manhole of pressure vessel | |
| CN220966668U (en) | Perfume lid that possesses safety lock structure | |
| CN211224603U (en) | Telescopic conical end socket | |
| CN205676137U (en) | A kind of automatically controlled take liquid equipment | |
| CN217841604U (en) | Double-closing type reservoir protection device | |
| CN220315922U (en) | Sealing mechanism capable of being opened and closed for connection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180615 Termination date: 20181110 |