CN201680109U - Closing device for maintenance and emergency of pressure valve on a storage tank or pipeline - Google Patents
Closing device for maintenance and emergency of pressure valve on a storage tank or pipeline Download PDFInfo
- Publication number
- CN201680109U CN201680109U CN2010201622644U CN201020162264U CN201680109U CN 201680109 U CN201680109 U CN 201680109U CN 2010201622644 U CN2010201622644 U CN 2010201622644U CN 201020162264 U CN201020162264 U CN 201020162264U CN 201680109 U CN201680109 U CN 201680109U
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- China
- Prior art keywords
- plunger
- plunger piston
- pipeline
- valve
- pressure valve
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- Expired - Fee Related
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Abstract
The adoption of a closing device for maintenance and emergency of a pressure valve on a storage tank or pipeline provided by the utility model can guarantee the replacement or the maintenance of a valve even a master valve under the condition that liquid or gaseous substance in a storage tank or pipeline is obstructed and closed. The closing device for maintenance and emergency of a pressure valve on a storage tank or pipeline comprises a valve body connected with a storage tank or a pipeline; a plunger piston assembly matched with the valve body is provided; a plunger piston rod part of the plunger piston assembly comprises a plunger piston rod and a plunger piston rod sleeve, wherein the plunger piston rod sleeve is in slide fit with the valve body hermetically; a screwed end of the plunger piston rod is connected with a plunger piston head part; the plunger piston head part comprises a plurality of plunger piston chunks and elastic sleeve gaskets which are circumferentially arranged on the thread segment of the plunger piston rod; and the plunger piston chunks are provided with inner conical surfaces matched with taper threads of the plunger piston rod or a conical nut in threaded connection with the plunger piston rod. The closing device is especially suitable for the maintenance or the replacement of valves under emergency condition.
Description
Technical field
The utility model relates to the seal arrangement of liquid state or gaseous substance basin or pipeline, in particular participates in that liquid state or gaseous substance basin or pipeline valve are changed, as to be more suitable for emergent use sealing replacement device.
Background technique
As being provided with the sealing control valve on the basin of liquid state such as oil, chemical industry or gaseous product and the pipeline.If this type of valve breaks down or need carry out routinely valve and change when safeguarding, though can be equipped with total valve in most of basin or the pipeline system, but total valve also needs certain situation especially to safeguard in the state of emergency to be changed, if carrying out valve again after can only waiting interior liquid state of basin or pipeline or gaseous substance to be emptied completely changes or maintenance operation, some the time time be unallowed, when urgent, select so all to release liquid state or gaseous substance in basin or the pipeline, or follow the process of releasing to carry out valve and change or maintenance operation, the waste of energy goods and materials also can cause serious ecological pollution, particularly some toxicity or extremely toxic substance release all the more so.
The model utility content
The goal of the invention of the utility model patent application is to provide a kind of basin or pipeline band pressure valve to safeguard emergent locking device, adopt on basin or the pipeline should anxious locking device just can be on the basin of still contain liquid state or gaseous substance or pipeline the replacing or the maintenance of enforcement valve or even total valve.Basin that the utility model provides or pipeline band pressure valve are safeguarded the technological scheme of emergent locking device, its major technique content is: a kind of basin or pipeline band pressure valve are safeguarded emergent locking device, it comprises the valve body that is connected with basin or pipeline, cooperate with valve body and to be provided with plunger piston assembly, the plunger stem of plunger piston assembly includes plunger rod and plunger rod sleeve pipe, plunger rod sleeve pipe and valve seal are slidingly matched, plunger rod threaded end attachment post plug head, described plunger head includes some plunger chunks that the plunger rod thread section circumferentially is provided with, the plunger chunk has and plunger rod tapered thread or the inner conical surface that matches with tapered cup nut that plunger rod is threaded, elastic seal cartridge parcel plunger chunk.
The utility model basin or pipeline band pressure valve are safeguarded the employing of emergent locking device technological scheme, the closed state that original valve keeps basin or pipeline can substituted, for basin or pipeline keep in repair or dismantle relevant valve under the state that does not leak, do not release, so the valve of especially being satisfied with emergency condition is under safeguarded or replacing.The technical program structure construction is simple, easy and simple to handle.
Description of drawings
Fig. 1 is that this basin or pipeline band pressure valve are safeguarded the sectional structure chart when emergent locking device is installed
Fig. 2 is the insight structural map of plunger piston assembly
Fig. 3 and Fig. 4 all are A-A sectional views of Fig. 2, and wherein Fig. 3 is plunger chunk rounding state figure, and Fig. 4 is plunger chunk expansion state figure.
Embodiment
Basin of the present utility model or pipeline band pressure valve are safeguarded emergent locking device, its concrete structure as depicted in figs. 1 and 2, it include with basin or pipeline wait to repair the valve 3 fixedly connected valve body 5 that communicates, plunger piston assembly 6 is equipped with valve body 5, valve body 5 is provided with oil drain valve 10.In this structure, the port of valve body 5 is and waits to repair the corresponding flange plate in valve 3 connecting ports that the center line of plunger piston assembly 6 sliding stroke routes and valve connecting tube coincides.The plunger stem of plunger piston assembly 6 includes plunger rod 8 and plunger rod sleeve pipe 7, and plunger rod sleeve pipe 7 cooperates with valve body 5 slipper seals, and the threaded end of plunger rod 8 is connected with plunger head 4, and the outer end of plunger rod 8 detachably is provided with the afterburning handle 9 of rotation.Plunger head 4 is made of with the elastic seal cartridge 43 that wraps up plunger chunk 42 jointly the circumferential some plunger chunks 42 of plunger rod 8 thread sections.A kind of enforcement structure is that plunger chunk 42 cooperates with tapered thread with plunger rod 8 thread sections, the another kind of structure of implementing is plunger rod 8 tapered cup nut 41 that has been threaded, the male cone (strobilus masculinus) of the inner conical surface of plunger chunk 42 and tapered cup nut 41 is slidingly matched, be equipped with guide finger 44 on each plunger chunk, guide finger 44 cooperates with the guide slide of tapered cup nut 41, does not scurry the position to guarantee each plunger chunk in moving; Rotational Cylindrical stopper rod 8, tapered cup nut 41 move axially in plunger rod, radially draw in or expand operation thereby drive through cone match plunger chunk; Elastic seal cartridge 43 is made for high elasticity, high leak tightness and the high material of corrosion resistance, as high-elastic oil-resistant rubber material, its elasticity is implemented the sealing except that being convenient to, also helping plunger chunk 42 radially to receive moves, make each plunger chunk 42 constitute the tight complete column chock plug of a radial dimension, then be convenient to the uncrossed in-and-out pipe of this plunger piston assembly less than pipe diameter.Among Fig. 2, center line upper half part is illustrated as plunger chunk 42 and is driven radially rounding state, center line lower half portion is illustrated as plunger chunk 42 and is radially pushed state when being expanded to pipe diameter, cooperates common filling, shutoff, complete closed pipeline under this state with elastic seal cartridge 43.This concrete enforcement in the structure; be reinforcing prop plug head blocking action to pipeline when the plunger chunk is expanded; plunger rod 8 is provided with two groups of plunger chunks 42 side by side; 42 '; two groups of radially wrong mutually settings of plunger chunk; thereby comprehensively and do not have a stifled closed conduct that expands at dead angle by two groups of plunger chunks; its concrete formation is: plunger rod 8 is provided with the screw thread 11 of two sections derotations each other; 11 '; spiral has the relative tapered cup nut of male cone (strobilus masculinus) 41 respectively; 41 '; two tapered cup nuts 41; 41 ' male cone (strobilus masculinus) all leads to be slidingly matched and is provided with a cover plunger chunk 42; 42 '; plunger rod 8 is clockwise or when being rotated counterclockwise; just make two tapered cup nuts 41; 41 ' in axial work " relatively " or " opposing " motion; drive two groups of plunger chunks gatherings or expansion operation; for guaranteeing the synchronous of two cover plunger chunk operations, the opposite sides of two cover plunger chunks are provided with synchronous lock pin 12.
Operating process with dismounting tank body or pipeline valve is an example, the valve body 5 of at first this basin or pipeline band pressure valve being safeguarded emergent locking device with wait to repair valve 3 end flange and be connected firmly, open valve to be repaiied, its valve flashboard 4 is promoted to limit place, promote plunger stem and the valve body 3 of plunger head through waiting to repair valve is pushed into straight length 1 position 2 of upstream line, confirm errorless after, the reinforcing plunger rod 8 that turns clockwise on handle 9, two tapered cup nuts 41,41 ' relatively move, promote two groups of plunger chunks 42,42 ' synchronously expand gradually by radially drawing initial position in, when pipe diameter, then cooperate common shutoff with elastic seal cartridge 43, the complete closed pipeline, to residue in the endoceliac liquid state of valve or gaseous substance releases out by oil drain valve 10 places of valve body 5, at this moment just can unload lower handle 9 successively, unload valve body 5 and valve to be repaiied successively along the plunger rod sleeve pipe, and then anti-order is installed new valve and valve body 5, valve body 5 moves to the outer end of newly changing valve along plunger rod sleeve pipe 7, after both flanges are connected firmly, counterrotating plunger rod 8, two plunger nuts 41,41 ' opposing moving, drive two groups of plunger chunks 42,42 ' synchronously by the radially gathering gradually of expansion position, in the gathering process, elastic seal cartridge 43 has also played the elasticity booster action, plunger head is whole to break away from the upstream line inwall thereby make, at this moment just can expedite plunger piston assembly be shifted out upstream line 1 and newly change valve, close and newly change valve thereafter, at this moment just can on basin or pipeline, valve body 5 and plunger piston assembly thereof all be laid down, recover pipeline again and connect.
Claims (5)
1. basin or pipeline band pressure valve are safeguarded emergent locking device, it is characterized in that this device comprises the valve body (5) that is connected with basin or pipeline, cooperate with valve body and to be provided with plunger piston assembly (6), the plunger stem of plunger piston assembly includes plunger rod (8) and plunger rod sleeve pipe (7), plunger rod sleeve pipe and valve seal are slidingly matched, plunger rod threaded end attachment post plug head, described plunger head includes some plunger chunks (42) that the plunger rod thread section circumferentially is provided with, the plunger chunk has and plunger rod tapered thread or the inner conical surface that matches with tapered cup nut that plunger rod is threaded, elastic seal cartridge (43) parcel plunger chunk.
2. basin according to claim 1 or pipeline band pressure valve are safeguarded emergent locking device, it is characterized in that plunger rod (8) is provided with the screw thread of two sections derotations each other (11,11 '), spiral has the relative tapered cup nut of male cone (strobilus masculinus) (41,41 ') respectively, and two tapered cup nuts (41,41 ') male cone (strobilus masculinus) all leads to be slidingly matched and is provided with a cover plunger chunk (42,42 ').
3. basin according to claim 2 or pipeline band pressure valve are safeguarded emergent locking device, it is characterized in that the radially wrong mutually setting of two groups of plunger chunks.
4. safeguard emergent locking device according to claim 1,2 or 3 described basins or pipeline band pressure valve, it is characterized in that the inner conical surface of plunger chunk is provided with guide finger (44), guide finger (44) cooperates with tapered cup nut (42,42 ') guide slide.
5. basin according to claim 2 or pipeline band pressure valve are safeguarded emergent locking device, it is characterized in that the opposite side of two cover plunger chunks is provided with synchronous lock pin (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201622644U CN201680109U (en) | 2010-04-16 | 2010-04-16 | Closing device for maintenance and emergency of pressure valve on a storage tank or pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201622644U CN201680109U (en) | 2010-04-16 | 2010-04-16 | Closing device for maintenance and emergency of pressure valve on a storage tank or pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201680109U true CN201680109U (en) | 2010-12-22 |
Family
ID=43345153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201622644U Expired - Fee Related CN201680109U (en) | 2010-04-16 | 2010-04-16 | Closing device for maintenance and emergency of pressure valve on a storage tank or pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201680109U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102235564A (en) * | 2011-04-26 | 2011-11-09 | 青岛伟隆阀门有限公司 | Rapid pipeline maintaining method |
| CN111514820A (en) * | 2020-04-28 | 2020-08-11 | 北华航天工业学院 | Heavy type quick press |
-
2010
- 2010-04-16 CN CN2010201622644U patent/CN201680109U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102235564A (en) * | 2011-04-26 | 2011-11-09 | 青岛伟隆阀门有限公司 | Rapid pipeline maintaining method |
| CN102235564B (en) * | 2011-04-26 | 2013-01-09 | 青岛伟隆阀门股份有限公司 | Rapid pipeline maintaining method |
| CN111514820A (en) * | 2020-04-28 | 2020-08-11 | 北华航天工业学院 | Heavy type quick press |
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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 |
Granted publication date: 20101222 Termination date: 20150416 |
|
| EXPY | Termination of patent right or utility model |