CN205503998U - Fire hydrant bottom valve - Google Patents
Fire hydrant bottom valve Download PDFInfo
- Publication number
- CN205503998U CN205503998U CN201620202045.1U CN201620202045U CN205503998U CN 205503998 U CN205503998 U CN 205503998U CN 201620202045 U CN201620202045 U CN 201620202045U CN 205503998 U CN205503998 U CN 205503998U
- Authority
- CN
- China
- Prior art keywords
- valve
- main
- backing member
- main shaft
- seal circle
- 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
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Abstract
The utility model provides a fire hydrant bottom valve, the design is bivalve core self -sealing structure, two steps of modes of opening, and the appearance is the urceolus, belongs to fire control, plumbing field, constitute by vice case, secondary seal circle, valve body, last backing member, main shaft, lock plunger, disk seat, primary seal circle, main valve core, clamp plate, main spring, lower liner spare, lower liner spare is screwed in the valve body water inlet, and the disk seat is screwed in the valve body middle part, goes up the backing member and screws in the valve body export, and the primary seal circle inlays adorns the inslot in main valve core, and the main shaft is worn to adorn in last backing member and lower liner spare hole, and the secondary seal circle inlays to be adorned in vice case counter bore, and secondary seal circles and places the clamp plate, main spring top pushes away vice case at ordinary times, main valve core shifts up, with disk seat conical contact, close, the anticlockwise rotation main shaft pushes down, opens earlier vice case pressure release, continues to rotate the main shaft and pushes down, opens main valve core and goes out water, the problem of conventional fire hydrant bottom valve open big, the sealed face of operating torque and mix with the seepage is solved, the utility model discloses has extensive application prospect in electric power, petrochemical, city fire control.
Description
Technical field
This utility model relates to a kind of for fire protection sector, rated operating pressure reaches 1.6MPa, nominal diameter is DN150mm, water supply flow reaches 5000L/min, it is designed as double spool self sealing structure, two step opening ways, profile is urceolus, is the core control valve-fire hydrant bottom valve in hydrant system, belongs to fire-fighting, plumbing field.
Background technology
Existing fire hydrant, rated operating pressure is on the low side, for 1.2MPa；Open, shutoff operation needs full-time staff could be competent at by bigger power.
Traditional fire hydrant bottom valve often occurs that sealing ring is gone out；When being mixed with sandstone, welding slag, iron filings in current, sealing surface is easily mingled with, deforms seepage.
Summary of the invention
In order to fill up the blank of domestic fire hydrant bottom valve, in order to solve, fire hydrant operation is laborious, sealing ring is rushed out, the problem that sealing surface is easily mingled with, deforms seepage, meet 5000L/min output, this utility model provides a kind of fire hydrant bottom valve, its rated operating pressure is 1.6MPa, nominal diameter 150mm；This utility model uses double spool self sealing structure, two step opening ways, and profile is urceolus；Using main valve plug, auxiliary valve core self sealing structure, suffer the objects such as automobile to clash into water outlet adapter fracture at fire hydrant after, intrinsic main valve plug, auxiliary valve core can keep sealing state；4 pressure release elder generation via water outlets on main valve plug, then open main valve plug full flow water outlet, reduce lower pressure on top surface, operate light.It is with a wide range of applications at electric power, metallurgy, urban fire control.
This utility model be achieved in that fire hydrant bottom valve by: O 1, auxiliary valve core 2, secondary seal ring 3, valve body 4, upper backing member 5, auxiliary spring 6, main shaft 7, lock plunger 8, valve seat 9, primary seal circle 10, main valve plug 11, pressing plate 12, jump ring 13, main spring 14, lower backing member 15 form；Lower backing member is tightened in valve inleting water mouth, jump ring fix；Valve seat is tightened in the middle part of valve body, and upper backing member is tightened in valve outlet, and primary seal circle is flush-mounted in main valve plug groove, is fastened by lock plunger；Collar bush O, is threaded onto in backing member and lower backing member hole, for matched in clearance；Secondary seal ring is flush-mounted in auxiliary valve core counterbore, and secondary seal ring is placed pressing plate, and auxiliary valve core acceptor's spring upwards pushing tow, by the spacing and clamping firmly secondary seal ring of the main shaft shaft shoulder.
Moving on the most main spring pushing tow auxiliary valve core, secondary seal ring, secondary seal ring contacts with main valve plug sealing cone, and compresses auxiliary spring, and pushing tow main valve plug, primary seal circle move, and primary seal circle seals with valve seat taper-face contact, closedown.Unlatching rotates counterclockwise and presses under main shaft, first opens auxiliary valve core pressure release, is rotated further under main shaft and presses, opens main valve plug water outlet；During closedown, rotating clockwise main shaft up, main valve plug, auxiliary valve core, under source pressure promotes, move closedown to water outlet side and seal.
The beneficial effects of the utility model are: possess impurity and cross fluidity energy, it is achieved contain the sealing property of relatively small impurities, improve the clamping performance of sealing ring, solve the problem that sealing surface is easily mingled with, deforms seepage；Improve sealing reliability, extend service life, decrease maintenance load；First open auxiliary valve core low discharge water outlet pressure release during unlatching, then open main valve plug full flow water outlet, operate light.
Accompanying drawing explanation
Fig. 1 is the profile of this utility model closed mode.
Fig. 2 is outline drawing of the present utility model.
Fig. 3 is the primary seal circle profile in this utility model.
Fig. 4 is the main valve plug profile in this utility model.
Fig. 5 is the valve body profile in this utility model.
Detailed description of the invention
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Fire hydrant bottom valve by: O 1, auxiliary valve core 2, secondary seal ring 3, valve body 4, upper backing member 5, auxiliary spring 6, main shaft 7, lock plunger 8, valve seat 9, primary seal circle 10, main valve plug 11, pressing plate 12, jump ring 13, main spring 14, lower backing member 15 form；Lower backing member is tightened in valve inleting water mouth, jump ring fix；Valve seat is tightened in the middle part of valve body, and upper backing member is tightened in valve outlet, concordant with valve body upper surface；Primary seal circle is flush-mounted in main valve plug groove, is fastened by lock plunger；Collar bush two pass O, be threaded onto backing member with in lower backing member hole, for matched in clearance；Secondary seal ring is flush-mounted in auxiliary valve core counterbore, and secondary seal ring is placed pressing plate, and auxiliary valve core acceptor's spring upwards pushing tow, by the spacing and clamping firmly secondary seal ring of the main shaft shaft shoulder.Moving on the most main spring pushing tow auxiliary valve core, secondary seal ring, secondary seal ring contacts with main valve plug sealing cone, and compresses auxiliary spring, and pushing tow main valve plug, primary seal circle move, and primary seal circle seals with valve seat taper-face contact, closedown.Unlatching rotates counterclockwise and presses under main shaft, first opens auxiliary valve core low discharge water outlet pressure release, and 4 via water outlets on main valve plug are rotated further under main shaft and press, open main valve plug full flow water outlet；During closedown, rotating clockwise main shaft up, main valve plug, primary seal circle, auxiliary valve core, secondary seal ring, under source pressure promotes, move closedown to water outlet side and seal.Have several via in the middle part of main valve plug, be sealing cone below via, central lower is auxiliary spring counterbore, the Excircle machining straight thread coordinated with lock plunger above main valve plug, is the groove installing primary seal circle below straight thread.Primary seal circle uses rectangle inner ring, improves the clamping performance of sealing ring, and outside is conical surface seal face, is accompanied by the dovetail of deflectable sealing, it is achieved contain the sealing property of relatively small impurities.The technical scheme in the invention for solving the technical problem is: be designed with the valve body of bulging type fluidic structures, form eddy current and wrap impurity to outlet outflow, possess impurity and cross fluidity energy, the installation lower screw thread of backing member, jump-ring slot is machined in water inlet, the screw thread installing backing member is machined in outlet, on outlet, plane is provided with the ring groove of dress sealing ring, and middle part machined the screw thread installing valve seat.By being designed with double spool self sealing structure, two step opening ways in this utility model；First open auxiliary valve core pressure release during unlatching, then open main valve plug water outlet, operate light.
1) material: valve body uses spheroidal graphite cast-iron, auxiliary valve core, main valve plug, valve seat, lock plunger use copper alloy；Main shaft, pressing plate, main spring, auxiliary spring, upper backing member, lower backing member, jump ring use rustless steel；Primary seal circle, secondary seal ring use nitrile rubber with O RunddichtringO.
2) rated operating pressure: 1.6MPa.
3) loss of flood peak :≤0.07MPa.
4) water supply flow: >=5000L/min.
This utility model is with a wide range of applications at electric power, metallurgy, urban fire control.
In a word, the foregoing is only the preferred embodiment of this patent, all apply for a patent equivalent variations or the modification that disclosed spirit is made according to this utility model, all should belong to the protection domain of this patent.
Claims (4)
1. a fire hydrant bottom valve, is characterized in that: be made up of O (1), auxiliary valve core (2), secondary seal ring (3), valve body (4), upper backing member (5), auxiliary spring (6), main shaft (7), lock plunger (8), valve seat (9), primary seal circle (10), main valve plug (11), pressing plate (12), jump ring (13), main spring (14), lower backing member (15)；Use double spool self sealing structure, two step opening ways；Lower backing member is tightened in valve inleting water mouth, and valve seat is tightened in the middle part of valve body, and upper backing member is tightened in valve outlet, primary seal circle is flush-mounted in main valve plug groove, main shaft is threaded onto in backing member and lower backing member hole, and secondary seal ring is flush-mounted in auxiliary valve core counterbore, and secondary seal ring is placed pressing plate；Move on the most main spring pushing tow auxiliary valve core, main valve plug, seal with valve seat taper-face contact, closedown；During unlatching, rotate counterclockwise and press under main shaft, first open auxiliary valve core pressure release, be rotated further under main shaft and press, open main valve plug water outlet.
Fire hydrant bottom valve the most according to claim 1, it is characterized in that there is several via in the middle part of main valve plug, be sealing cone below via, central lower is auxiliary spring counterbore, the Excircle machining straight thread coordinated with lock plunger above main valve plug, is the groove installing primary seal circle below straight thread.
Fire hydrant bottom valve the most according to claim 1, is characterized in that primary seal circle uses rectangle inner ring, and outside is conical surface seal face, is accompanied by the dovetail of deflectable sealing.
Fire hydrant bottom valve the most according to claim 1, is characterized in that valve body uses bulging type fluidic structures, machined the installation lower screw thread of backing member, jump-ring slot, machined the screw thread installing backing member in outlet in water inlet, and middle part machined the screw thread installing valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620202045.1U CN205503998U (en) | 2016-03-15 | 2016-03-15 | Fire hydrant bottom valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620202045.1U CN205503998U (en) | 2016-03-15 | 2016-03-15 | Fire hydrant bottom valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205503998U true CN205503998U (en) | 2016-08-24 |
Family
ID=56731602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620202045.1U Expired - Fee Related CN205503998U (en) | 2016-03-15 | 2016-03-15 | Fire hydrant bottom valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205503998U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286859A (en) * | 2016-11-01 | 2017-01-04 | 成都秦川科技发展有限公司 | A kind of low-power consumption electromechanical valve and gas meter, flow meter |
| CN109260637A (en) * | 2018-09-10 | 2019-01-25 | 武汉杰威信息技术有限公司 | A kind of intelligent fire bolt |
| CN110159771A (en) * | 2018-02-13 | 2019-08-23 | 艾欧史密斯(中国)热水器有限公司 | Combine control mechanism |
| WO2022149137A1 (en) * | 2021-01-06 | 2022-07-14 | Amar Eli | Water flow anti-tampering and anti-theft device |
-
2016
- 2016-03-15 CN CN201620202045.1U patent/CN205503998U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286859A (en) * | 2016-11-01 | 2017-01-04 | 成都秦川科技发展有限公司 | A kind of low-power consumption electromechanical valve and gas meter, flow meter |
| CN110159771A (en) * | 2018-02-13 | 2019-08-23 | 艾欧史密斯(中国)热水器有限公司 | Combine control mechanism |
| CN109260637A (en) * | 2018-09-10 | 2019-01-25 | 武汉杰威信息技术有限公司 | A kind of intelligent fire bolt |
| WO2022149137A1 (en) * | 2021-01-06 | 2022-07-14 | Amar Eli | Water flow anti-tampering and anti-theft device |
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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: 20160824 Termination date: 20190315 |