CN208670117U - A kind of sealing of fire hydrant main valve seat and fire hydrant body drain linkage - Google Patents
A kind of sealing of fire hydrant main valve seat and fire hydrant body drain linkage Download PDFInfo
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- CN208670117U CN208670117U CN201821262114.3U CN201821262114U CN208670117U CN 208670117 U CN208670117 U CN 208670117U CN 201821262114 U CN201821262114 U CN 201821262114U CN 208670117 U CN208670117 U CN 208670117U
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Abstract
The utility model discloses a kind of sealings of fire hydrant main valve seat and fire hydrant body to drain linkage.A kind of sealing of fire hydrant main valve seat and fire hydrant body drain linkage, including fire hydrant body, elbow, main valve clack, valve rod, main valve seat, the drainage hole of main valve seat two sides setting with the A drainage hole central coaxial that is arranged on the bend wall of the elbow two sides, and form two drainage channels respectively;Further include the respectively arranged drainage hole activity plugging device in main valve seat two sides: further including plectane, two pieces of arc panels, valve rod, two pieces of arc panels of plectane and the installation of plectane top surface two sides, main valve clack constitute the overall linkage component moved up and down.The utility model realizes fire hydrant and completely closes being smoothly discharged for the intracavitary remaining water of fire hydrant bolt under sealing state, it is therefore prevented that the phenomenon that fire hydrant body bursting by freezing damages;It realizes the sealing of fire hydrant main valve seat and drains coordinated operation with fire hydrant body, improve fire hydrant service efficiency.
Description
Technical field
The utility model belongs to a kind of fire hydrant, especially belongs to a kind of sealing of fire hydrant main valve seat and the draining of fire hydrant body
Linkage.
Background technique
Existing fire hydrant after use, can mostly have a part of remaining inside the following fire hydrant of water outlet of outlet pipe
Water, because water cannot be discharged or be evaporated in time more than this part.It, can be if water cannot quickly be discharged more than use in winter
The intracavitary generation icing phenomenon of fire hydrant bolt easily damages fire hydrant bursting by freezing, has seriously affected reusing for fire hydrant.Mesh
Before, the fire hydrant of existing outdoor mounted is mostly in the additionally mounted drain valve in top apart from main valve seat, to play draining
Effect.This discharge structure, first is that separately installed drain valve has certain distance apart from main valve seat, also there is also certain waters
Space, and this part water cannot be discharged by drain valve, if this fire hydrant is in winter or cold district, there are still because residual
Stay the potential danger of water freezing and bursting by freezing fire hydrant;Second is that main valve seat is opened when fire hydrant work, the water of fire-fighting system enters
In fire hydrant, and drain valve can not close in time at this time, also there is the possibility of leak, also affect the water outlet of fire hydrant
Flow reduces the service efficiency of fire hydrant.How to realize that fire hydrant completely closes the intracavitary remaining water of fire hydrant bolt under sealing state
Be smoothly discharged, prevent fire hydrant body bursting by freezing damage;How fire hydrant main valve seat sealing and fire hydrant body draining linkage fortune are realized
Row eliminates drain valve when fire hydrant works because cannot close the risk of still leak in time, improve fire hydrant service efficiency be need to
It solves the problems, such as.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of sealing of fire hydrant main valve seat and the drainings of fire hydrant body
Linkage.It is able to achieve fire hydrant using fire hydrant main valve seat sealing and fire hydrant body draining linkage and completely closes sealing
The intracavitary remaining water of fire hydrant bolt is smoothly discharged under state, prevents fire hydrant body bursting by freezing from damaging;Be able to achieve fire hydrant main valve seat sealing with
Fire hydrant body drains coordinated operation, eliminates drain valve when fire hydrant works because that cannot close the risk of still leak in time, raising
Fire hydrant service efficiency.
The technical solution that the utility model solves above-mentioned technical problem is: a kind of sealing of fire hydrant main valve seat and fire hydrant body
Linkage, including fire hydrant body, elbow, main valve clack, valve rod, main valve seat are drained, the fire hydrant body and elbow use bolt
And O-ring is sealedly and fixedly connected, the lower end of the valve rod is the end of thread, it is characterized in that: the main valve seat uses screw thread and elbow
It is fixedly connected, is respectively arranged with A drainage hole on the bend wall of the elbow two sides, the A being arranged on the elbow two sides bend wall
Drainage hole is communicated with atmosphere respectively, and the two sides of the main valve seat are respectively arranged with drainage hole, main valve seat two sides setting
Drainage hole with the A drainage hole central coaxial that is arranged on the bend wall of the elbow two sides, and forms two drainage channels respectively;
The elbow has a water inlet;It further include the respectively arranged drainage hole activity plugging device in main valve seat two sides, the master
The respectively arranged drainage hole activity plugging device in valve seat two sides includes plectane, two pieces of arc panels, two pieces of corresponding peaces of arc panel
Mounted in the two sides of plectane top surface, it is mounted on and corresponding respectively on part under two pieces of arc panels of plectane top surface two sides is provided with bar shaped
Through-hole, the outside diameter that corresponding two pieces of arc panels for being mounted on plectane top surface two sides are constituted is consistent with the diameter of the plectane,
The plectane is provided centrally with tapped through-hole;An open slot is respectively arranged on the main valve seat or so medial surface,
It is respectively arranged on the main valve seat or so medial surface as the slideway that moves up and down of two pieces of arc panels of plectane top surface two sides installation
Open slot cross-sectional shape is consistent with two pieces of arc panel cross-sectional shapes that plectane top surface two sides are installed;Two pieces of arc panels
Vulcanize rubber sealing surface on lateral surface, the medial surface that two pieces of arc panels vulcanize the lateral surface and the main valve seat of rubber face is in
Sealing cooperation;The end of thread of the valve rod sequentially pass through the tapped through-hole of plectane, main valve clack and respectively using round nut according to
Secondary to be fixedly connected with plectane, main valve clack, valve rod, two pieces of arc panels of plectane and the installation of plectane top surface two sides, main valve clack are constituted
The overall linkage component of lower movement;
When fire hydrant prepares in set condition, two pieces of arc panels, masters of valve rod, plectane and the installation of plectane top surface two sides
The overall linkage component that moves up and down that flap is constituted is run up, until main valve clack and main valve seat are adjacent to sealing, lateral surface vulcanization
Two pieces of arc panel middle and upper parts of rubber sealing surface point remove the drainage hole of main valve seat two sides setting, and lateral surface vulcanizes
Distinguish the strip through-hole of corresponding setting and the drainage hole of main valve seat two sides setting in two pieces of arc panel lower parts of rubber sealing surface
It is connected, is set on the drainage hole and elbow two sides bend wall that the residual water of fire hydrant body inner cavity is arranged by main valve seat two sides
Two drainage channels discharge that the A drainage hole set respectively constitutes, fire hydrant are in close state;
When fire hydrant prepares in running order, two pieces of arc panels, masters of valve rod, plectane and the installation of plectane top surface two sides
The overall linkage component that moves up and down that flap is constituted is run down, until main valve clack is completely disengaged with main valve seat, fire_fighting pipe network
Fire water is poured in from the water inlet of elbow, and it is close that two pieces of arc panel middle and upper parts point of plectane top surface two sides installation at this time vulcanize rubber
The lateral surface and main valve seat medial surface of cover, which compress, to be sealed, and lateral surface vulcanizes the middle and upper part of two pieces of arc panels of rubber sealing surface
The drainage hole of main valve seat two sides setting has been blocked up in enfeoffment, and fire hydrant is in normal water supply state;
Circular conical surface is in conical sealing face on the inside of mouth under the main valve seat, and circular conical surface has on the outside of the main valve clack upper half
With the conical sealing face that mouth conical sealing face matches under the main valve seat;It is corresponding to be mounted on the two of the plectane top surface two sides
Top surface constitutes diameter of a circle and constitutes diameter of a circle greater than its inner wall bottom surface on block arc panel inner wall.
The beneficial effects of the utility model are: due to the utility model be provided with fire hydrant body, elbow, main valve clack, valve rod,
Main valve seat;A drainage hole is respectively arranged on the bend wall of elbow two sides, the A draining being arranged on the elbow two sides bend wall is logical
Hole is communicated with atmosphere respectively, and the two sides of main valve seat are respectively arranged with drainage hole, the drainage hole point of main valve seat two sides setting
Not with the A drainage hole central coaxial that is arranged on the bend wall of the elbow two sides, and two drainage channels are formed;Main valve seat two sides
It is respectively provided with drainage hole activity plugging device;That is the end of thread of valve rod sequentially passes through the circle of drainage hole activity plugging device
The tapped through-hole of plate, main valve clack are simultaneously successively fixedly connected with plectane, main valve clack using round nut respectively, valve rod, plectane and
Two pieces of arc panels, the main valve clack of plectane top surface two sides installation constitute the overall linkage component moved up and down.Valve rod, plectane and plectane
Two pieces of arc panels, the main valve clack of top surface two sides installation constitute the overall linkage component moved up and down ibid under, and main valve clack is in
When sealing, the draining that two pieces of arc panel middle and upper parts point that lateral surface vulcanizes rubber sealing surface remove the setting of main valve seat two sides is logical
Strip through-hole and the main valve seat two sides of corresponding setting are distinguished in hole, two pieces of arc panel lower parts that lateral surface vulcanizes rubber sealing surface
The drainage hole of setting is connected, the drainage hole and elbow that the residual water of fire hydrant body inner cavity is arranged by main valve seat two sides
Two drainage channels discharge that the A drainage hole being arranged on the bend wall of two sides respectively constitutes;When main valve clack is opened, plectane top surface two
Two pieces of arc panel middle and upper parts point of side installation vulcanize the lateral surface of rubber sealing surface and main valve seat medial surface is compressed and sealed, outside
Two pieces of arc panels that face vulcanizes rubber sealing surface have blocked the drainage hole of main valve seat two sides setting, and fire hydrant body is no longer arranged
Water, and without draining hysteresis.It realizes fire hydrant and completely closes the smooth of the intracavitary remaining water of fire hydrant bolt under sealing state
Discharge, it is therefore prevented that the phenomenon that fire hydrant body bursting by freezing damages;The sealing of fire hydrant main valve seat is realized to join with the draining of fire hydrant body
Dynamic operation eliminates drain valve in the prior art in fire hydrant work because that cannot close the risk of still leak in time, and raising disappears
Fiery bolt service efficiency.
Again since circular conical surface is in conical sealing face on the inside of mouth under main valve seat, on the outside of the main valve clack upper half circular conical surface have with
The conical sealing face that mouth conical sealing face matches under the main valve seat;Corresponding two pieces of arcs for being mounted on plectane top surface two sides
Top surface constitutes diameter of a circle and constitutes diameter of a circle greater than its inner wall bottom surface on shape plate inner wall.Improve main valve seat and main valve clack
Sealing effect, while the two pieces of arc panels draining respectively arranged to main valve seat two sides for also improving the installation of plectane top surface two sides is logical
The sealing intensity and sealing effect in hole.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples;
Fig. 1 is the structural schematic diagram that the utility model fire hydrant body is fixedly connected with elbow;
Fig. 2 is the A-A of the utility model Fig. 1 to the structural schematic diagram of main valve seat full-gear;
Fig. 3 is the A-A of the utility model Fig. 1 to the structural schematic diagram of main valve seat full closing state;
In attached drawing: 1. fire hydrant bodies, 2. elbows, 3. main valve clacks, 4. valve rods, 5. main valve seats, 6.A drainage hole, 7. drainings
Through-hole, 8. plectanes, 9. two pieces of arc panels, 10. water inlets.
Specific embodiment
The utility model is described in further detail below by specific embodiment.
Embodiment 1
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of fire hydrant main valve seat sealing and fire hydrant body drain linkage, including the fire that disappears
Body 1, elbow 2, main valve clack 3, valve rod 4, main valve seat 5, the fire hydrant body 1 are fixed with elbow 2 using bolt and O-ring sealing
The lower end of connection, the valve rod 4 is the end of thread, it is characterized in that: the main valve seat 5 is fixedly connected using screw thread with elbow 2, it is described
It is respectively arranged with A drainage hole 6 on the bend wall of 2 two sides of elbow, the A drainage hole 6 being arranged on the 2 two sides bend wall of elbow divides
It is not communicated with atmosphere, the two sides of the main valve seat 5 are respectively arranged with drainage hole 7, the drainage hole of 5 two sides of main valve seat setting
7, respectively with 6 central coaxial of A drainage hole that is arranged on the 2 two sides bend wall of elbow, and form two drainage channels;It is described
Elbow 2 has a water inlet 10;It further include the respectively arranged drainage hole activity plugging device in main valve seat two sides, the main valve
The respectively arranged drainage hole activity plugging device in seat two sides includes 8, two pieces of arc panels 9 of plectane, two pieces of corresponding peaces of arc panel 9
Mounted in the two sides of 8 top surface of plectane, it is mounted on corresponding respectively on the lower part of two pieces of arc panels 9 of 8 top surface two sides of plectane be provided with
Strip through-hole (is not drawn into) in Figure of description, the outer circle that corresponding two pieces of arc panels 9 for being mounted on 8 top surface two sides of plectane are constituted
Diameter is consistent with the diameter of the plectane 8, which is provided centrally with tapped through-hole;In the main valve seat 5 or so
An open slot (being not drawn into Figure of description) is respectively arranged on side, two pieces of arcs as the installation of 8 top surface two sides of plectane
The slideway that shape plate 9 moves up and down, respectively arranged open slot cross-sectional shape and the plectane on 5 or so the medial surface of main valve seat
Two pieces of 9 cross-sectional shapes of arc panel of 8 top surfaces two sides installation are consistent;Vulcanize rubber seal on two pieces of 9 lateral surfaces of arc panel
Face, two pieces of arc panels 9 vulcanize the lateral surface of rubber face and the medial surface of the main valve seat 5 in sealing cooperation;The screw thread of valve rod 4
End is sequentially passed through the tapped through-hole of plectane 8, main valve clack 3 and is successively fixed respectively with plectane 8, main valve clack 3 using round nut
Connection, valve rod 4, two pieces of arc panels 9 of plectane 8 and the installation of plectane top surface two sides, main valve clack 3 constitute the overall linkage moved up and down
Component;
When fire hydrant prepares in set condition, two pieces of arc panels of valve rod 4, plectane 8 and the installation of plectane top surface two sides
9, the overall linkage component that moves up and down that main valve clack 3 is constituted is run up, until main valve clack 3 and main valve seat 5 are adjacent to sealing, outside
Two pieces of arc panel middle and upper parts that face vulcanizes rubber sealing surface, which are divided, removes the drainage hole 7 that 5 two sides of main valve seat are arranged, and outside
Distinguish strip through-hole and the setting of 5 two sides of main valve seat of corresponding setting in two pieces of arc panel lower parts that face vulcanizes rubber sealing surface
Drainage hole is connected, and the residual water of fire hydrant body inner cavity passes through the drainage hole 7 of 5 two sides of main valve seat setting and 2 liang of elbow
Two drainage channels discharge that the A drainage hole 6 being arranged on the bend wall of side respectively constitutes, fire hydrant are in close state;
When fire hydrant prepares in running order, two pieces of arc panels of valve rod 4, plectane 8 and the installation of plectane top surface two sides
9, the overall linkage component that moves up and down that main valve clack 3 is constituted is run down, until main valve clack 3 is completely disengaged with main valve seat 5, fire-fighting
The fire water of pipe network is poured in from the water inlet 10 of elbow 2, and sulphur is divided in two pieces of arc panel middle and upper parts of 8 top surface two sides of plectane installation at this time
The lateral surface and 5 medial surface of main valve seat for changing rubber sealing surface, which compress, to be sealed, and lateral surface vulcanizes two pieces of arcs of rubber sealing surface
The drainage hole 6 of 5 two sides of main valve seat setting has been blocked up in the middle and upper part enfeoffment of shape plate, and fire hydrant is in normal water supply state;
Circular conical surface is in conical sealing face, circular cone mask on the outside of 3 upper half of main valve clack on the inside of the lower mouth of the main valve seat 5
There is the conical sealing face matched with 5 lower mouthfuls of conical sealing faces of the main valve seat;It is corresponding to be mounted on the 8 top surface two sides of plectane
Two pieces of 9 inner walls of arc panel on top surface constitute diameter of a circle be greater than its inner wall bottom surface constitute diameter of a circle.
Through the above description, those skilled in the art completely can be in the model without departing from this invention technical idea
In enclosing, carries out various changes and amendments and be within the protection scope of the utility model.The unaccomplished matter of the utility model,
Belong to the common knowledge of those skilled in the art.
Claims (2)
1. a kind of fire hydrant main valve seat sealing and fire hydrant body drain linkage, including fire hydrant body, elbow, main valve clack, valve
Bar, main valve seat, the fire hydrant body and elbow are sealedly and fixedly connected using bolt and O-ring, and the lower end of the valve rod is screw thread
End, it is characterized in that: the main valve seat is fixedly connected using screw thread with elbow, is respectively arranged on the bend wall of the elbow two sides
A drainage hole, the A drainage hole being arranged on the elbow two sides bend wall are communicated with atmosphere respectively, the two sides point of the main valve seat
Be not provided with drainage hole, the drainage hole of main valve seat two sides setting respectively with the A that is arranged on the bend wall of the elbow two sides
Drainage hole central coaxial, and form two drainage channels;The elbow has a water inlet;It further include main valve seat two sides point
The drainage hole activity plugging device not being arranged, the respectively arranged drainage hole activity plugging device in main valve seat two sides include
Plectane, two pieces of arc panels, the corresponding two sides for being mounted on plectane top surface of two pieces of arc panels, are mounted on two pieces of plectane top surface two sides
It is corresponding respectively on part under arc panel to be provided with strip through-hole, corresponding two pieces of arc panel structures for being mounted on plectane top surface two sides
At outside diameter it is consistent with the diameter of the plectane, which is provided centrally with tapped through-hole;The main valve seat
An open slot is respectively arranged on the medial surface of left and right, the cunning that two pieces of arc panels as the installation of plectane top surface two sides move up and down
Road, two pieces of respectively arranged open slot cross-sectional shape and the installation of plectane top surface two sides on the main valve seat or so medial surface
Arc panel cross-sectional shape is consistent;Vulcanize rubber sealing surface on two pieces of arc panel lateral surfaces, two pieces of arc panels vulcanize rubber
The medial surface of the lateral surface of glue surface and the main valve seat is in sealing cooperation;The end of thread of the valve rod sequentially passes through spiral shell in plectane band
The through-hole of line, main valve clack are simultaneously successively fixedly connected with plectane, main valve clack using round nut, valve rod, plectane and plectane top surface respectively
Two pieces of arc panels, the main valve clack of two sides installation constitute the overall linkage component moved up and down;
When fire hydrant prepares in set condition, two pieces of arc panels, main valve clacks of valve rod, plectane and the installation of plectane top surface two sides
The overall linkage component that moves up and down constituted is run up, until main valve clack and main valve seat are adjacent to sealing, lateral surface vulcanizes rubber
Two pieces of arc panel middle and upper parts of glue sealing surface point remove the drainage hole of main valve seat two sides setting, and lateral surface vulcanizes rubber
Two pieces of arc panel lower parts drainage hole that the strip through-hole of corresponding setting is arranged with main valve seat two sides respectively of sealing surface is connected
It is logical, it is arranged on the drainage hole and elbow two sides bend wall that the residual water of fire hydrant body inner cavity is arranged by main valve seat two sides
Two drainage channels discharge that A drainage hole respectively constitutes, fire hydrant are in close state;
When fire hydrant prepares in running order, two pieces of arc panels, main valve clacks of valve rod, plectane and the installation of plectane top surface two sides
The overall linkage component that moves up and down constituted is run down, until main valve clack is completely disengaged with main valve seat, the fire-fighting of fire_fighting pipe network
Water is poured in from the water inlet of elbow, and two pieces of arc panel middle and upper parts point of plectane top surface two sides installation at this time vulcanize rubber sealing surface
Lateral surface and main valve seat medial surface compress and seal, lateral surface vulcanizes the middle and upper part enfeoffment of two pieces of arc panels of rubber sealing surface
The drainage hole of main valve seat two sides setting is blocked up, fire hydrant is in normal water supply state.
2. a kind of fire hydrant main valve seat sealing and fire hydrant body drain linkage according to claim 1, it is characterized in that: institute
Circular conical surface is stated under main valve seat on the inside of mouth in conical sealing face, circular conical surface has and the main valve seat on the outside of the main valve clack upper half
The conical sealing face that lower mouth conical sealing face matches;In corresponding two pieces of arc panels for being mounted on the plectane top surface two sides
Top surface constitutes diameter of a circle and constitutes diameter of a circle greater than its inner wall bottom surface on wall.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821262114.3U CN208670117U (en) | 2018-08-06 | 2018-08-06 | A kind of sealing of fire hydrant main valve seat and fire hydrant body drain linkage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821262114.3U CN208670117U (en) | 2018-08-06 | 2018-08-06 | A kind of sealing of fire hydrant main valve seat and fire hydrant body drain linkage |
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Publication Number | Publication Date |
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CN208670117U true CN208670117U (en) | 2019-03-29 |
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ID=65832590
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CN201821262114.3U Active CN208670117U (en) | 2018-08-06 | 2018-08-06 | A kind of sealing of fire hydrant main valve seat and fire hydrant body drain linkage |
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CN (1) | CN208670117U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112854373A (en) * | 2021-01-18 | 2021-05-28 | 徐清州 | Automatic surplus water mechanism of arranging of outdoor fire hydrant |
-
2018
- 2018-08-06 CN CN201821262114.3U patent/CN208670117U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112854373A (en) * | 2021-01-18 | 2021-05-28 | 徐清州 | Automatic surplus water mechanism of arranging of outdoor fire hydrant |
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