CN105064460A - Outdoor fire hydrant - Google Patents
Outdoor fire hydrant Download PDFInfo
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- CN105064460A CN105064460A CN201510520830.1A CN201510520830A CN105064460A CN 105064460 A CN105064460 A CN 105064460A CN 201510520830 A CN201510520830 A CN 201510520830A CN 105064460 A CN105064460 A CN 105064460A
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- valve
- valve plate
- fire hydrant
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- valve rod
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Abstract
The invention discloses an outdoor fire hydrant. The outdoor fire hydrant comprises a connecting pipe, a valve rod base and a valve body. The lower end of the valve body is connected with a valve connection base, and the upper end of the valve body is connected with the connecting pipe. A fixing hole is formed in a partition plate of the valve body. A lower spring seat is arranged in the fixing hole and internally provided with a long valve rod. An upper valve plate and a lower valve plate are arranged at the lower end of the long valve rod. An axial gap is reserved between the upper end face of the lower valve plate and the lower end face of the upper valve plate. The sectional area of the upper valve plate is larger than that of the lower valve plate. The upper end face of the upper valve plate is matched with the lower end face of a water outlet hole. The upper portion of the water outlet hole is communicated with an automatic water drainage opening. The upper end face of the upper valve plate is matched with the lower end face of the water outlet hole. An axial hole is formed in the upper valve plate. The upper end of the long valve rod is connected with an ejector rod. The long valve rod is provided with the valve rod base. A spring is arranged between the valve rod base and the lower spring seat. The ejector rod is connected with the long valve rod. According to the outdoor fire hydrant, downward-pressing starting is adopted; as the area of the upper valve plate is large, the water-flowing sectional area is guaranteed; as the lower valve plate is small, it is guaranteed that starting is easy, and pressure balancing during water supplying is guaranteed.
Description
Technical field
The present invention relates to fire fighting equipment technical field, particularly relate to a kind of outdoor fire hydrant.
Background technology
Opening ways is lifted on opening and adopting in the bottom of outdoor fire hydrant of the prior art, water is from bottom toward upper bolt internal duct, flap is lifted on being, owing to often having External Force Acting in key top, particularly when there being larger External Force Acting in key top, can rupture in key top, at this moment top forms a waterway channel be communicated with the high-pressure water channel of bottom, flap etc. sprays and goes by high-pressure hydraulic together, gushing out of current cannot be stoped, main pipeline valve can only be closed, if at this moment positive breaking out of fire, may cause serious loss, consequence is hardly imaginable.
Summary of the invention
Object of the present invention is exactly the problems referred to above existed for solving prior art, provides a kind of outdoor fire hydrant; The present invention opens as pressing down unlatching by being lifted from above by outdoor fire hydrant, and be provided with size two valve plates, upper valve plate area is large, ensured water sectional area, easily open when lower valve plate is little, guarantee is opened, and the gap of little valve plate and large valve plate according to pressure free adjustment, can ensure that the pressure equalizing problem in water supply.
The technical scheme of technical solution problem of the present invention is:
A kind of outdoor fire hydrant, comprise tube connector, valve rod base, valve body, the lower end of described valve body is connected with valve joint chair, valve body upper end is connected with the lower end of tube connector, vertical fixing hole is provided with in the middle of dividing plate in the middle part of valve body, lower spring cup is provided with in fixing hole, the long valve rod moved in the axial direction is provided with in lower spring cup endoporus, the lower end of described long valve rod is provided with lower valve plate, upper valve rod near lower valve plate top is provided with valve plate, the upper surface of described lower valve plate and the lower surface of upper valve plate are provided with axial gap, described upper valve plate is being greater than the sectional area of lower valve plate in this direction with long stem shaft to the sectional area of vertical direction, the upper surface of described upper valve plate coordinates with the lower surface of the weep hole on the downside of dividing plate, weep hole top is communicated with the horizontally disposed automatic leakage mouth of a river, the upper surface of upper valve plate coordinates with the lower surface of weep hole to play to be closed and the effect of open water, axial hole is provided with outside upper valve plate interstitial hole, the upper end of described long valve rod is connected with push rod, long valve rod is being provided with valve rod base near upper end position, spring is provided with between valve rod base and lower spring cup, long valve rod runs through the bottom endoporus of the upper cavity of dividing plate, lower chamber and tube connector, and push rod runs through downwards from the top endoporus of tube connector and is connected with long valve rod.
The lower surface of described upper valve plate is provided with cannelure, in cannelure, be provided with copper sheathing two, copper sheathing two protrudes the lower surface of copper sheathing two downwards, and described lower valve plate upper surface is provided with annular positioning groove two, be provided with sealing block two in described locating slot two, copper sheathing two coordinates with sealing block two position.
The lower surface of described weep hole is provided with copper sheathing one, described copper sheathing one is located in the groove at lower surface place, is provided with annular positioning groove one in the upper surface of upper valve plate, is provided with sealing block one in locating slot one, sealing block one coordinates with the lower surface of copper sheathing one, plays the effect strengthening sealing.
The lower surface of described copper sheathing two, between the lower surface of copper sheathing one and respective external cylindrical surface, be provided with chamfering.
The lower end of described valve body is connected by flange and screw with valve joint chair, and valve body upper end is connected with the lower end of tube connector by flange and screw.
The port of export at the described automatic leakage mouth of a river is provided with guard shield.
The upper end of described long valve rod is connected by universal joint with push rod.
Described lower valve plate is by being located at the tight fixed bolt location of long valve stem end.
Beneficial effect of the present invention:
1. the present invention opens as pressing down unlatching by being lifted from above by outdoor fire hydrant, and be provided with size two valve plates, upper valve plate area is large, ensured water sectional area, lower valve plate is little, ensure easily to open when opening, and the gap of little valve plate and large valve plate can according to pressure free adjustment, when hydraulic pressure raises, upper valve plate moves upward, gap in minimizing between valve plate and valve body, current reduce, and pressure reduces; When the pressure drops, upper valve plate moves downward, the gap in increasing between valve plate and valve body, and current increase, pressure increases, by such motion mode, ensure that the pressure equalizing problem in water supply, when solving outdoor fire hydrant because rupturing suddenly by external force, top forms a waterway channel be communicated with the high-pressure water channel of bottom, flap etc. together ejection goes by high-pressure hydraulic, cannot stop the problem gushed out of current, ensure outdoor fire hydrant safe, reliably use.
2. the lower surface of copper sheathing two, be provided with chamfering between the lower surface of copper sheathing one and respective external cylindrical surface, reduce working (finishing) area, cut down finished cost, make lower surface and sealing block seal more reliable simultaneously.
3. the benefit that universal joint connects is when product because fortuitous event occurs, and when producing shock to product top and fracture occurs, universal joint can disconnect, and this kind of structure is simple, and correction maintenance is more prone to.
4. lower valve plate is located by connecting fixing by the tight fixed bolt of long valve stem end, can dismounting and replacing easily, saves maintenance cost.
5. the port of export at the automatic leakage mouth of a river is provided with guard shield, and guard shield prevents in transport and installation process, because fortuitous event makes the automatic leakage mouth of a river rupture.Thus make this product firmer.
Accompanying drawing explanation
Fig. 1 is the structural representation of invention.
Detailed description of the invention
In order to understand the present invention better, explain embodiments of the present invention in detail below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of outdoor fire hydrant, comprises tube connector 1, universal joint 2, valve rod base 3, long valve rod 4, spring 5, valve body 6, copper sheathing 1, upper valve plate 8, copper sheathing 29, lower valve plate 10, tight fixed bolt 11, valve joint chair 12, the automatic leakage mouth of a river 13, guard shield 14, push rod 15, the lower end of described valve body 6 is connected by flange and screw with valve joint chair 12, valve body 6 upper end is connected by the lower end of flange with tube connector 1, vertical fixing hole is provided with in the middle of dividing plate 20 in the middle part of valve body 6, lower spring cup 18 is provided with in fixing hole, the long valve rod 4 moved in the axial direction is provided with in lower spring cup 18 endoporus, the lower end of described long valve rod 4 is provided with lower valve plate 10, upper valve rod 4 near lower valve plate 10 top is provided with valve plate 8, the upper surface of described lower valve plate 10 and the lower surface of upper valve plate 8 are provided with axial gap, described upper valve plate 8 is greater than the sectional area of lower valve plate 10 in this direction at the sectional area with the axial vertical direction of long valve rod 4, the upper surface of described upper valve plate 8 coordinates with the lower surface of the weep hole 21 on the downside of dividing plate 20, weep hole 21 top is communicated with the horizontally disposed automatic leakage mouth of a river 13, guard shield 14 is provided with at the port of export at the automatic leakage mouth of a river 13, the upper surface of upper valve plate 8 coordinates with the lower surface of weep hole 21 to play to be closed and the effect of open water, axial hole 19 is provided with outside upper valve plate 8 interstitial hole, the upper end of described long valve rod 4 is connected by universal joint 2 with push rod 15, long valve rod 4 is being provided with valve rod base 3 near upper end position, spring 5 is provided with between valve rod base 3 and lower spring cup 18, long valve rod 4 runs through the bottom endoporus of the upper cavity of dividing plate 20, lower chamber and tube connector 1, and push rod 15 runs through downwards from the top endoporus of tube connector 1 and is connected with long valve rod 4.
Cannelure is provided with in the lower surface of upper valve plate 8, in cannelure, be provided with copper sheathing 29, copper sheathing 29 protrudes the lower surface of copper sheathing two downwards, and described lower valve plate 10 upper surface is provided with annular positioning groove two, be provided with sealing block 2 16 in described locating slot two, copper sheathing 29 be corresponding with sealing block 2 16 position, coordinate.
The lower surface of described weep hole 21 is provided with copper sheathing 1, described copper sheathing 1 is located in the groove at lower surface place, is provided with annular positioning groove one, is provided with sealing block 1 in locating slot one in the upper surface of upper valve plate 8, sealing block 1 coordinates with the lower surface of copper sheathing 1, plays the effect strengthening sealing.The lower surface of described copper sheathing 29, between the lower surface of copper sheathing one and respective external cylindrical surface, be provided with chamfering.
Lower valve plate 10 is located by the tight fixed bolt 11 being located at long valve stem end.
After the water of fire_fighting pipe network enters valve body 6 bottom by valve joint chair 12, when needs are opened, push rod 15 presses down, by long valve rod 4, lower valve plate 10 is moved downward, lower valve plate 10 is separated with copper sheathing 29, current enter valve body 6 top by the aperture on upper valve plate 8, down move long valve rod 4 again, upper valve plate 8 is separated with copper sheathing 1, and current are circulated toward key top by the gap of upper valve plate 8 with copper sheathing 1, when hydraulic pressure height in pipeline, upper valve plate 8 up can move because of pressure, thus reducing the gap of copper sheathing 1 and upper valve plate 8, sectional area reduces, and pressure reduces.When there is fracture because of irresistible reason in hydrant top, universal joint 2 place lacks downward power, now because the effect lower valve plate 10 of hydraulic pressure up moves with copper sheathing 1 with copper sheathing 29, upper valve plate 8, valve plate is kept in detention, thus do not have current to flow toward key top, ensure all the other hydrants in use, do not leak herein and pressure release.When hydrant does not need to use, up carry long valve rod 4, drive lower valve plate 10 and copper sheathing 29, upper valve plate 8 up to move, valve plate is kept in detention, now upper pressure reduces, and the current on key top flow out outside key by the automatic leakage mouth of a river 13, avoid because of key freezing when winter, temperature was low.
By reference to the accompanying drawings the detailed description of the invention of invention is described although above-mentioned; but not limiting the scope of the invention; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (9)
1. an outdoor fire hydrant, comprise tube connector, valve rod base, valve body, the lower end of described valve body is connected with valve joint chair, valve body upper end is connected with the lower end of tube connector, vertical fixing hole is provided with in the middle of dividing plate in the middle part of valve body, lower spring cup is provided with in fixing hole, the long valve rod moved in the axial direction is provided with in lower spring cup endoporus, the lower end of described long valve rod is provided with lower valve plate, upper valve rod near lower valve plate top is provided with valve plate, the upper surface of described lower valve plate and the lower surface of upper valve plate are provided with axial gap, described upper valve plate is being greater than the sectional area of lower valve plate in this direction with long stem shaft to the sectional area of vertical direction, the upper surface of described upper valve plate coordinates with the lower surface of the weep hole on the downside of dividing plate, weep hole top is communicated with the horizontally disposed automatic leakage mouth of a river, the upper surface of upper valve plate coordinates with the lower surface of weep hole, close or open water, axial hole is provided with outside upper valve plate interstitial hole, the upper end of described long valve rod is connected with push rod, long valve rod is being provided with valve rod base near upper end position, spring is provided with between valve rod base and lower spring cup, long valve rod runs through the bottom endoporus of the upper cavity of dividing plate, lower chamber and tube connector, and push rod runs through downwards from the top endoporus of tube connector and is connected with long valve rod.
2. outdoor fire hydrant as claimed in claim 1, it is characterized in that, the lower surface of described upper valve plate is provided with cannelure, copper sheathing two is provided with in cannelure, copper sheathing two protrudes the lower surface of copper sheathing two downwards, described lower valve plate upper surface is provided with annular positioning groove two, is provided with sealing block two in described locating slot two, and copper sheathing two coordinates with sealing block two position.
3. outdoor fire hydrant as claimed in claim 2, it is characterized in that, the lower surface of described copper sheathing two is provided with chamfering.
4. outdoor fire hydrant as claimed in claim 1, it is characterized in that, the lower surface of described weep hole is provided with copper sheathing one, described copper sheathing one is located in the groove at lower surface place, annular positioning groove one is provided with in the upper surface of upper valve plate, in locating slot one, be provided with sealing block one, sealing block one coordinates with the lower surface of copper sheathing one, plays the effect strengthening sealing.
5. outdoor fire hydrant as claimed in claim 4, it is characterized in that, the lower surface of described copper sheathing one is provided with chamfering.
6. outdoor fire hydrant as claimed in claim 1, it is characterized in that, the lower end of described valve body is connected by flange and screw with valve joint chair, and valve body upper end is connected with the lower end of tube connector by flange and screw.
7. outdoor fire hydrant as claimed in claim 1, it is characterized in that, the port of export at the described automatic leakage mouth of a river is provided with guard shield.
8. outdoor fire hydrant as claimed in claim 1, it is characterized in that, the upper end of described long valve rod is connected by universal joint with push rod.
9. outdoor fire hydrant as claimed in claim 1, is characterized in that, described lower valve plate is by being located at the tight fixed bolt location of long valve stem end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510520830.1A CN105064460A (en) | 2015-08-21 | 2015-08-21 | Outdoor fire hydrant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510520830.1A CN105064460A (en) | 2015-08-21 | 2015-08-21 | Outdoor fire hydrant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105064460A true CN105064460A (en) | 2015-11-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510520830.1A Pending CN105064460A (en) | 2015-08-21 | 2015-08-21 | Outdoor fire hydrant |
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| Country | Link |
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| CN (1) | CN105064460A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004089412A (en) * | 2002-08-30 | 2004-03-25 | Hosho Seisakusho:Kk | Water conveyance port apparatus for connected water conveyance pipe |
| CN201635118U (en) * | 2010-03-19 | 2010-11-17 | 福建天广消防科技股份有限公司 | Quick-open type outdoor ground fire hydrant |
| US20120031507A1 (en) * | 2009-04-21 | 2012-02-09 | Syeng Yen One | Elevating fire hydrant assembly |
| CN102416236A (en) * | 2011-08-15 | 2012-04-18 | 大连金州登沙河鑫金机械厂 | Self-pressure sealed fire hydrant |
| CN103321279A (en) * | 2013-07-04 | 2013-09-25 | 章丘市消防器材有限责任公司 | Quick opening hydrant |
| CN204983026U (en) * | 2015-08-21 | 2016-01-20 | 山东绿屏工业消防设备有限公司 | Outdoor fire hydrant |
-
2015
- 2015-08-21 CN CN201510520830.1A patent/CN105064460A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004089412A (en) * | 2002-08-30 | 2004-03-25 | Hosho Seisakusho:Kk | Water conveyance port apparatus for connected water conveyance pipe |
| US20120031507A1 (en) * | 2009-04-21 | 2012-02-09 | Syeng Yen One | Elevating fire hydrant assembly |
| CN201635118U (en) * | 2010-03-19 | 2010-11-17 | 福建天广消防科技股份有限公司 | Quick-open type outdoor ground fire hydrant |
| CN102416236A (en) * | 2011-08-15 | 2012-04-18 | 大连金州登沙河鑫金机械厂 | Self-pressure sealed fire hydrant |
| CN103321279A (en) * | 2013-07-04 | 2013-09-25 | 章丘市消防器材有限责任公司 | Quick opening hydrant |
| CN204983026U (en) * | 2015-08-21 | 2016-01-20 | 山东绿屏工业消防设备有限公司 | Outdoor fire hydrant |
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Application publication date: 20151118 |