CN106400892B - Post fire hydrant - Google Patents
Post fire hydrant Download PDFInfo
- Publication number
- CN106400892B CN106400892B CN201611065293.7A CN201611065293A CN106400892B CN 106400892 B CN106400892 B CN 106400892B CN 201611065293 A CN201611065293 A CN 201611065293A CN 106400892 B CN106400892 B CN 106400892B
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- CN
- China
- Prior art keywords
- valve
- section
- water pressure
- anticollision
- fire hydrant
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- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B9/00—Methods or installations for drawing-off water
- E03B9/02—Hydrants; Arrangements of valves therein; Keys for hydrants
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Taps Or Cocks (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
- Check Valves (AREA)
Abstract
The present invention disclose it is a kind of hit that rear leak is less, maintenance is more convenient and the lower post fire hydrant of maintenance cost, including body, anticollision section, valve body, water pressure gauge, ball-cock assembly and tappet;Exhaust valve is provided at the top of the body;The anticollision section is set between the body and valve body, and the anticollision section lateral wall is provided with the disconnected groove of ring;The top end of the valve body side is provided with drain valve, and the drain valve is connected to by drainage gallery with anticollision section inner cavity;The drainage gallery includes the upper section drainage gallery in the ring flange of anticollision section bottom end and the lower section drainage gallery in the top end of the valve body ring flange;The water pressure gauge is set to the body side wall, and the water pressure gauge is connected to by water pressure passage with the body cavity;The water pressure passage includes the upper section water pressure passage in body side wall and the lower section water pressure passage in anticollision section side wall;Ball-cock assembly is set in the valve body;Tappet bottom extends to above the ball-cock assembly.
Description
Technical field
The present invention relates to a kind of fire plant, in particular to a kind of post fire hydrant.
Background technique
Fire hydrant is also fire hydrant, there is fire hydrant etc. on post fire hydrant and wall, and water is supplied water or connected for fire fighting truck
Pipe is put out a fire.Traditional post fire hydrant includes body and valve body, and body connects valve body, and valve body connects sewers, body
Interior setting mandril, valve body is interior to be arranged valve, is opened by rotating mandril control valve from top, valve body is made to supply water to body, and
Body supplies water outward from the feed water inlet of side.
However, post fire hydrant is generally located on by road, after being broken by Vehicular impact, valve body damage is be easy to cause
A large amount of leaks, and valve body dismounting and change is inconvenient, causes maintenance difficulty big, even if in addition the water pressure gauge on valve body does not damage
Also it is replaced, is resulted in waste of resources together, lead to maintenance cost height.
Summary of the invention
The technical problem to be solved in the present invention is to provide it is a kind of hit that rear leak is less, maintenance is more convenient and maintenance cost more
Low post fire hydrant.
In order to solve the above-mentioned technical problem, post fire hydrant of the invention, including body, anticollision section, valve body, water pressure gauge,
Ball-cock assembly and tappet;Exhaust valve is provided at the top of the body;The anticollision section is set between the body and valve body, described
Anticollision section top and bottom end pass through ring flange respectively and connect with body and valve body, the anticollision section lateral wall be provided with ring break it is recessed
Slot;The top end of the valve body side is provided with drain valve, and the drain valve is connected to by drainage gallery with anticollision section inner cavity;Institute
Drainage gallery is stated to include the upper section drainage gallery in the ring flange of anticollision section bottom end and be located at the top end of the valve body flange
Lower section drainage gallery in disk;The water pressure gauge is set to the body side wall, the water pressure gauge by water pressure passage with it is described
Body cavity connection;The water pressure passage includes upper section water pressure passage in the body side wall and in anticollision section side wall
Lower section water pressure passage;The ball-cock assembly is set in the valve body, and the diameter of the ball-cock assembly is greater than anticollision section bottom end
Valve port bore;The body is connected at the top of the tappet, the tappet bottom extends to above the ball-cock assembly.
The drain valve includes spring and block bead, and the spring is set in the lower section drainage gallery, and the block bead is set
It is placed between the spring and the drainage hole of lower section drainage gallery, the diameter of the drainage hole is less than the diameter of the block bead.
The upper end of the upper section drainage gallery is horizontally disposed and is connected to anticollision section inner cavity, and the upper section sluices logical
The lower end in road, which is vertically arranged and is open, is set to the bottom wall of anticollision section bottom end ring flange;The lower section drainage gallery it is upper
Lower both ends open is respectively arranged at the roof and bottom wall of the top end of the valve body ring flange.
The exhaust valve includes gas vent and buoyancy valve block, and the buoyancy valve block is movably set in the gas vent bottom end.
It is additionally provided with stopper at the top of the body, is provided with handle hole at the top of the stopper.
It further include gasket seal, the gasket seal includes the ring flange washer portion and valve washer for being integrally formed connection
Portion, the ring flange washer portion are set between anticollision section bottom end ring flange and top end of the valve body ring flange, the valve pad
Circle portion is set between anticollision section bottom end valve port and ball-cock assembly;The ring flange washer portion is provided with and flange plate bolt hole
Corresponding bolt hole and drainage gallery intercommunicating pore corresponding with the drainage gallery of the drain valve;The valve washer portion
Ring part and siphonata including being integrally formed connection, the siphonata are vertically installed in the ring part center;The annular
Portion center is provided with interior collar extension, and the siphonata center is provided with lumen, interior collar extension and the siphonata of the ring part
Lumen connection;The ring part is provided with water pressure passage intercommunicating pore corresponding with the water pressure passage of the water pressure gauge;The pipe
Shape portion is socketed in the valve port of anticollision section bottom.
The interior collar extension bottom end of the ring part in the valve washer portion is provided with compatible with ball-cock assembly top outer wall
Horn mouth is sealed, the bell-mouthed bottom diameter of sealing is greater than the interior collar extension diameter of the ring part.
The siphonata is tubular.
The thickness of the ring part is greater than the thickness of the ring flange washer portion.
The thickness of the ring part is gradually increased from the junction with ring flange washer portion to interior collar extension.
Using structure of the invention, have the advantages that
1, anticollision section is provided between body and valve body, the disconnected groove of ring is arranged in anticollision section lateral wall, in fire hydrant by vehicle
After hitting fracture, anticollision section is preferentially broken, and to protect other positions of fire hydrant, avoids a large amount of leaks, and replace in maintenance
When, anticollision section is only needed to change, the wasting of resources is few, and maintenance cost is lower.
2, for body and the setting of the drain valve of anticollision section waste waste in top end of the valve body, do not have to after the fracture of anticollision section with
Anticollision section is replaced together, reduces waste of resource, improves maintenance efficiency, reduces maintenance cost.
3, show that the water pressure gauge setting of valve body hydraulic pressure does not have to after the fracture of anticollision section with anticollision section in body side
Replacement reduces the wasting of resources, improves maintenance efficiency, reduces maintenance cost.
4, the upper section water pressure passage for transmitting hydraulic pressure is located in body side wall, and lower section water pressure passage is located in anticollision section side wall,
After anticollision section is knocked fracture, the breaking part of water pressure passage sprays small water column, can prompt troublemaker, passerby and vehicle note
Meaning, and then water supply department is notified to repair, leak is less.
5, ball-cock assembly is used in valve body, even if ball-cock assembly is still closed after anticollision section is knocked fracture, do not will cause a large amount of
Leak, maintenance are more convenient.
6, since tappet and ball-cock assembly abut against, after the fracture of anticollision section, tappet is still remained intact, and crashworthiness is more preferable,
When repairing replacement, the component needed to change is less, and maintenance cost is lower.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of gasket seal.
Description of symbols: 1- stopper, 2- body, 3- tappet, 4- anticollision section, 5- drain valve, 6- ball-cock assembly, 7- valve body,
8- ring breaks groove, 9- water pressure passage, 10- water pressure gauge, 11- exhaust valve, 12- ring flange washer portion, 13- bolt hole, 14- annular
Portion, collar extension in 15-, 16- seal horn mouth, 17- lumen, 18- siphonata, 19- water pressure passage intercommunicating pore.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawings and detailed description:
As shown in Figure 1, post fire hydrant of the invention, including body, anticollision section, valve body, water pressure gauge, ball-cock assembly, tappet.
It is provided with exhaust valve at the top of body, for the gas sucked after sewers is cut off the water supply to be discharged.Anticollision section is set to body and valve body
Between, anticollision section top passes through ring flange with bottom end respectively and connects body bottom and body top.Anticollision section lateral wall is provided with
Ring breaks groove, and the ring groove that breaks is annular groove, around the circle of anticollision section lateral wall one or two circles or multi-turn, the groove so that ring breaks
The anticollision section sidewall thickness at place is relatively thin, and fire hydrant is preferentially broken groove fracture from ring, reduced to the greatest extent fire hydrant by after Vehicular impact
The damage at other positions.Top end of the valve body side is provided with drain valve, and drain valve is connected by drainage gallery and anticollision section inner cavity
It is logical, drainage gallery include upper section drainage gallery in the ring flange of anticollision section bottom end and in top end of the valve body ring flange under
Section drainage gallery, the water in anticollision section flow into lower section drainage gallery by upper section drainage gallery, and water is discharged lower section drainage gallery
To outside fire hydrant, drain valve is for being discharged using being trapped in anticollision section after fire hydrant and the intracorporal water of bolt.Body base setting
There is ring flange for connecting sewers.Water pressure gauge is set to body side wall, and water pressure gauge is connected by water pressure passage and body cavity
It is logical.Water pressure passage includes the upper section water pressure passage in body side wall and the lower section water pressure passage in anticollision section side wall.
Upper section water pressure passage is directed at connection with lower section water pressure passage after body is connected with anticollision section, and the intracorporal hydraulic pressure of valve passes through upper section hydraulic pressure
Channel is transmitted to upper section water pressure passage, the water cycle factors in upper section water pressure passage to water pressure gauge.Ball-cock assembly is set in valve body, is floated
The diameter of ball valve is greater than the valve port bore of anticollision section bottom end.Ball-cock assembly is the ball of hollow smooth seal, in sewers
Under water buoyancy, ball-cock assembly floats to the valve port of anticollision section bottom end, can block valve port automatically.Tappet screw top is sealedly attached to
At the top of body, tappet bottom is extended to above ball-cock assembly.With spanner rotate tappet, make tappet push ball-cock assembly, can make floating ball with
Valve port leaves, and then opens valve port and leave floating ball if receiving on tappet, then floating ball blocks valve port, and valve port is closed.
As shown in Figure 1, drain valve includes spring and block bead, spring is set in lower section drainage gallery, and block bead is set to bullet
Between spring and the drainage hole of lower section drainage gallery, the diameter of drainage hole is less than the diameter of block bead.It is fended off on nail or bottle opener
Pearl, that is, openable drain valve draining, otherwise block bead blocks drainage hole under the elastic force effect of spring and drain valve is automatically closed.Pass through
Spring and block bead are set in drainage gallery, drainage gallery does not have to tapping, compared to the mode that setting internal screw thread connects check valve, subtracts
Manufacturing procedure is lacked, has reduced costs, efficiency can be improved.
As shown in Figure 1, the upper end of upper section drainage gallery is horizontally disposed and is connected to anticollision section inner cavity, upper section drainage gallery
Lower end be vertically arranged and be open and be set to the bottom wall of anticollision section bottom end ring flange.The upper and lower ends of lower section drainage gallery are open
It is respectively arranged at the roof and bottom wall of top end of the valve body ring flange.After anticollision section is connect with valve body, upper section drainage gallery and lower section
Drainage gallery alignment connection.By the way that drainage gallery top is arranged to go out in the ring flange of anticollision section bottom end, by drainage gallery bottom end
Mouthful setting in top end of the valve body ring flange bottom wall, make the entrance of drainage gallery is lower, outlet downwards, delay can maximumlly be discharged
Water in anticollision section, it is possible to reduce rainwater, dust etc. enter drain valve and prolong the service life to reduce damage.
As shown in Figure 1, exhaust valve includes gas vent and buoyancy valve block, buoyancy valve block is movably set in gas vent bottom end.Disappear
When the valve body of fiery bolt is opened, water is filled in fire hydrant, floating valve piece floats and blocks gas vent, and the valve body of fire hydrant is vented upwards
When, fire hydrant inner canister has air, and buoyancy valve block does not have the buoyancy of water and gravity fall is opened gas vent in turn and then is vented.The row
Air valve structure is simpler, and using more convenient, cost is lower.
As shown in Figure 1, being additionally provided with stopper at the top of body, it is provided with handle hole at the top of stopper, passes through fire hydrant Special pull
Hand, which can protrude into turn in handle hole, can be driven tappet, move up or down tappet.Stopper prevents in being hidden in tappet
Fire hydrant is by abnormal use.
As shown in Fig. 2, further including gasket seal, gasket seal includes the ring flange washer portion and valve for being integrally formed connection
Washer portion, ring flange washer portion are set between anticollision section bottom end ring flange and top end of the valve body ring flange, the setting of valve washer portion
Between anticollision section bottom end valve port and ball-cock assembly.Since flange dish washer and valve washer are integrally formed, two washers become one
A, when repairing gasket, two washers are disposably installed, and operation is simpler, and assembly efficiency is higher.
Ring flange washer portion is provided with bolt hole corresponding with flange plate bolt hole and the drainage gallery with drain valve
Corresponding drainage gallery intercommunicating pore.Since bolt hole is positioned only at ring flange washer portion, valve washer portion is solid without bolt
Fixed, so that the deformation of valve washer portion is less, when being squeezed by ball-cock assembly, deformation more evenly, is bonded closer with ball-cock assembly, and leak is more
It is few, keep valve tightness more preferable.
Valve washer portion includes the ring part and siphonata for being integrally formed connection, and siphonata is vertically installed in ring part
Centre.Ring part center is provided with interior collar extension, and siphonata center is provided with lumen, and the interior collar extension of ring part and the lumen of siphonata connect
It is logical.Ring part is provided with water pressure passage intercommunicating pore corresponding with the water pressure passage of water pressure gauge.Siphonata is socketed on anticollision section bottom
In portion's valve port.Since valve washer portion is additionally provided with siphonata in addition to ring part, siphonata can be socketed in anticollision section bottom upwards
In portion's valve port, so that valve washer portion is not only padded outside valve port, also pad avoids ball-cock assembly from directly contacting with valve port in valve port inner wall,
The leakproofness between ball-cock assembly and valve port is improved, and reduces ball-cock assembly abrasion and deformation, in addition, the displacement in valve washer portion is more
Less and deformation is more balanced, makes the better tightness in valve washer portion, and then improve the leakproofness of valve.
As shown in Fig. 2, the interior collar extension bottom end of the ring part in valve washer portion is provided with and is adapted with ball-cock assembly top outer wall
Sealing horn mouth, seal bell-mouthed bottom diameter be greater than ring part interior collar extension diameter.Valve washer portion bottom center is set
The sealing horn mouth to match with ball-cock assembly top is set, so that contact surface is bigger between ball-cock assembly and valve washer portion, and then is made
Sealing surface is bigger, makes the better tightness between ball-cock assembly and valve port.
As shown in Fig. 2, siphonata is tubular portion.The siphonata of tubular, lateral wall area is bigger, connects with valve port inner wall
Contacting surface is bigger, frictional force is bigger, socket is more stable, and then better tightness.
As shown in Fig. 2, the thickness of ring part is greater than the thickness of ring flange washer portion.Since ring part is repeatedly subjected to ball-cock assembly
Extruding and the corrosion of aqueous service life can be improved, and elasticity is more preferable, Jin Erti by the way that thicker thickness is arranged
It is high with the contact compactness between ball-cock assembly, and then improve leakproofness.
The thickness of ring part is gradually increased from the junction with ring flange washer portion to interior collar extension.By the way that progressive additive is arranged
Ring part, when ring part can be made to be squeezed and deformed by ball-cock assembly, ring part deformation it is more dispersed, have more gradient, reduce valve
The bending deflection that the junction of door washer portion and ring flange washer portion is subject to, and then reduce valve washer portion and flange dish washer
The fracture of the junction in portion reduces leak, improves leakproofness, improves service life.
Claims (10)
1. a kind of post fire hydrant, it is characterised in that: including body, anticollision section, valve body, water pressure gauge, ball-cock assembly and tappet;
Exhaust valve is provided at the top of the body;
The anticollision section is set between the body and valve body, and anticollision section top and bottom end pass through ring flange and bolt respectively
Body is connected with valve body, and the anticollision section lateral wall is provided with the disconnected groove of ring;
The top end of the valve body side is provided with drain valve, and the drain valve is connected to by drainage gallery with anticollision section inner cavity;
The drainage gallery includes the upper section drainage gallery in the ring flange of anticollision section bottom end and is located at the top end of the valve body method
Lower section drainage gallery in blue disk;
The water pressure gauge is set to the body side wall, and the water pressure gauge is connected to by water pressure passage with the body cavity;Institute
Stating water pressure passage includes the upper section water pressure passage in body side wall and the lower section water pressure passage in anticollision section side wall;
The ball-cock assembly is set in the valve body, and the diameter of the ball-cock assembly is greater than the valve port bore of anticollision section bottom end;
The body is connected at the top of the tappet, the tappet bottom extends to above the ball-cock assembly.
2. post fire hydrant according to claim 1, it is characterised in that: the drain valve includes spring and block bead, described
Spring is set in the lower section drainage gallery, the block bead be set to the spring and lower section drainage gallery drainage hole it
Between, the diameter of the drainage hole is less than the diameter of the block bead.
3. post fire hydrant according to claim 2, it is characterised in that: the upper end of the upper section drainage gallery is horizontally disposed
And it is connected to anticollision section inner cavity, the lower end of the upper section drainage gallery, which is vertically arranged and is open, is set to the anticollision
Save the bottom wall of bottom end ring flange;The upper and lower ends opening of the lower section drainage gallery is respectively arranged at the top end of the valve body ring flange
Roof and bottom wall.
4. post fire hydrant according to claim 1, it is characterised in that: the exhaust valve includes gas vent and floating valve
Piece, the buoyancy valve block are movably set in the gas vent bottom end.
5. post fire hydrant according to claim 1, it is characterised in that: it is additionally provided with stopper at the top of the body, it is described
Handle hole is provided at the top of stopper.
6. post fire hydrant described in -5 any one according to claim 1, it is characterised in that: it further include gasket seal, it is described
Gasket seal includes ring flange washer portion and the valve washer portion for being integrally formed connection, and the ring flange washer portion is set to described
Between anticollision section bottom end ring flange and top end of the valve body ring flange, the valve washer portion be set to anticollision section bottom end valve port with
Between ball-cock assembly;
The ring flange washer portion is provided with bolt hole corresponding with flange plate bolt hole and the sluicing with the drain valve
The corresponding drainage gallery intercommunicating pore in channel;
The valve washer portion includes the ring part and siphonata for being integrally formed connection, and the siphonata is vertically installed in the ring
Shape portion center;The ring part center is provided with interior collar extension, and the siphonata center is provided with lumen, the inner ring of the ring part
Mouth is connected to the lumen of the siphonata;It is logical that the ring part is provided with hydraulic pressure corresponding with the water pressure passage of the water pressure gauge
Road intercommunicating pore;The siphonata is socketed in the valve port of anticollision section bottom.
7. post fire hydrant according to claim 6, it is characterised in that: the interior collar extension of the ring part in the valve washer portion
Bottom end is provided with sealing horn mouth compatible with ball-cock assembly top outer wall, and the bell-mouthed bottom diameter of sealing is greater than
The interior collar extension diameter of the ring part.
8. post fire hydrant according to claim 6, it is characterised in that: the siphonata is tubular.
9. post fire hydrant according to claim 6, it is characterised in that: the thickness of the ring part is greater than the ring flange
The thickness of washer portion.
10. post fire hydrant according to claim 9, it is characterised in that: the thickness of the ring part from flange plate mat
The junction in circle portion is gradually increased to interior collar extension.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611065293.7A CN106400892B (en) | 2016-11-28 | 2016-11-28 | Post fire hydrant |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611065293.7A CN106400892B (en) | 2016-11-28 | 2016-11-28 | Post fire hydrant |
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Publication Number | Publication Date |
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CN106400892A CN106400892A (en) | 2017-02-15 |
CN106400892B true CN106400892B (en) | 2019-09-06 |
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CN201611065293.7A Expired - Fee Related CN106400892B (en) | 2016-11-28 | 2016-11-28 | Post fire hydrant |
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CN (1) | CN106400892B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107178122A (en) * | 2017-07-21 | 2017-09-19 | 宁夏如意科技时尚产业有限公司 | A kind of fire hydrant |
CN107386366A (en) * | 2017-08-01 | 2017-11-24 | 合肥市漫通科技有限公司 | A kind of fire hydrant of pressure-adjustable |
CN108797708A (en) * | 2018-06-11 | 2018-11-13 | 公安部上海消防研究所 | A kind of anticollision closure fire hydrant |
CN113374031A (en) * | 2021-05-14 | 2021-09-10 | 中国海洋石油集团有限公司 | Outdoor ground-type fire hydrant without water leakage and freeze protection |
CN115463369B (en) * | 2022-09-22 | 2023-04-07 | 杭州申弘智能科技有限公司 | Fire fighting equipment |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206346271U (en) * | 2016-11-28 | 2017-07-21 | 郴州雄建机床铸造有限公司 | Post fire hydrant |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US3961642A (en) * | 1975-03-10 | 1976-06-08 | Waterous Company | Fire hydrant valve rod coupling |
CN2526356Y (en) * | 2002-01-23 | 2002-12-18 | 正德防火工业股份有限公司 | Adapting plate unit for fire hydrant |
CN2592723Y (en) * | 2003-01-07 | 2003-12-17 | 无锡市天威消防器材有限公司 | Loss-reducing ground hydraut |
AT413834B (en) * | 2004-06-09 | 2006-06-15 | Krammer Armaturen Produktions | HYDRANT |
CN2753805Y (en) * | 2004-09-24 | 2006-01-25 | 李文舟 | Collision-proof anti-theft fire hydraut |
CN203795525U (en) * | 2014-01-02 | 2014-08-27 | 福建省南安市安耐特消防装备有限公司 | Anti-collision fire valve |
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2016
- 2016-11-28 CN CN201611065293.7A patent/CN106400892B/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206346271U (en) * | 2016-11-28 | 2017-07-21 | 郴州雄建机床铸造有限公司 | Post fire hydrant |
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