CN208319773U - A kind of fire hydrant - Google Patents

Abstract

The utility model relates to a kind of fire hydrants, end cap, external pipe, the bottom body mutually fixed including passing sequentially through fixing bolt, outlet conduit is welded on the side wall of external pipe, a valve rod is equipped in external pipe vertically, the interior welds of bottom body have the valve plate with valve opening, and valve plate is equipped with the taper valve core that activity is plugged in valve opening；The inside of external pipe is welded with first annular partition, the second annular partition from top to bottom, the set bucket with impact work energy is equipped between first annular partition, the second annular partition, the upper end of set bucket, which is equipped with, is attached thereto logical hollow set axis, and the upper end for covering axis is rotatablely connected through first annular partition and by bearing and first annular partition；The upper end of valve rod is upward through end cap and extends to above end cap to be connected with the first handwheel, is connected between valve rod and taper valve core by elevating mechanism.The utility model provide it is a kind of convenient for switching, the flow velocity of adjustable water outlet, the fire hydrant for improving the practicability, safety that use.

Description

A kind of fire hydrant

Technical field

The utility model belongs to technical field of fire control more particularly to a kind of fire hydrant.

Background technique

Fire hydrant is a kind of fixed fire-fighting tool, and main function is control combustible, isolation oxidizer, eliminates ignition source. Fire hydrant implements fire extinguishing from municipal water supply pipe network or the water intaking of outdoor fire fighting water supply network mainly for fire fighting truck, so, fire hydrant is Important fire fighting device.Chinese patent (the dedicated Quick open-close type fire hydrant " CN201720366929.5 " of corridor), including be used for The water supplying pipe being connected to fire water-supply pipe network, at least one outlet pipe on water supplying pipe；The top of the water supplying pipe passes through Seal cap blocks, and the water outlet of the outlet pipe is threaded with Quick open-close type device, which wraps again Connecting tube is included, the outlet pipe B being connected to the inner cavity of connecting tube is provided with internal screw thread in the inner wall of connecting tube, the spiral shell in connecting tube Line is connected with block head, and the right end of the left end for being fixed on connecting rod of the block head, the connecting rod is pierced by the right output port of connecting tube After be fixed in rotating handle, external force rotating handle, block head moves left and right in connecting tube realizes outlet pipe and outlet pipe B Connection disconnects.But conventional fire hydrant be commonly present be not easy to be opened and closed since hydraulic pressure is excessive, practicability, safety difference etc. lack Point does not have the effect of anticipation.

Therefore, these problems are based on, provide it is a kind of convenient for switching, the flow velocity of adjustable water outlet, improve use it is practical Property, safety fire hydrant, have important practical significance.

Utility model content

The purpose of the utility model is to overcome the deficiencies in the prior art, provide it is a kind of convenient for switching, adjustable water outlet Flow velocity, the fire hydrant for improving the practicability, safety that use.

The utility model solves its technical problem and adopts the following technical solutions to achieve:

A kind of fire hydrant, end cap, external pipe, the bottom body mutually fixed including passing sequentially through fixing bolt are described outer It is welded with outlet conduit on the side wall of portion's pipeline, is equipped with a valve rod, the inside of the bottom body vertically in the external pipe It is welded with the valve plate with valve opening, the valve plate is equipped with the taper valve core that activity is plugged in valve opening；

The inside of the external pipe is welded with first annular partition, the second annular partition, first ring from top to bottom The set bucket with impact work energy is equipped between shape partition, the second annular partition, the upper end of the set bucket is logical equipped with being attached thereto Hollow set axis, the upper end of the set axis is rotatablely connected through first annular partition and by bearing and first annular partition；

The upper end of the valve rod is upward through end cap and extends to above end cap to be connected with the first handwheel, the valve rod and cone It is connected between shape spool by elevating mechanism.

Further, the set bucket includes the interior every bucket, outside every bucket of coaxial arrangement, described outside in casing is set to every bucket Outside, it is described in be made of integrally formed staving, bung every bucket, outside every bucket upper end closed, lower ending opening staving Structure, the set axis include coaxial arrangement inner sleeve axis, housing axis, the housing axle sleeve be set to inner sleeve axis outside and it is described in The top of housing axis is stretched out in the upper end for covering axis, and the valve rod is inserted among inner sleeve axis, the housing axis and first annular partition Between by bearing be rotatablely connected, between the housing axis and inner sleeve axis by sealing bearing rotation connection, and the valve rod with Inner sleeve axis is connected by sealing bearing rotation connection, the lower end of the inner sleeve axis with the interior bung every bucket, the housing axis Lower end is connected with the bung outside every bucket, and the upper surface of second annular partition offers co-axial annular groove, institute It is extend into annular groove in stating every bucket, outside every the lower end of bucket.

Further, in described every bucket, be outside a rectangle steel plate after the staving expansion of bucket, it is described in every bucket Wherein half is steel mesh structure to staving, the other half is steel plate structure, and the outer staving half every bucket is uniformly provided with macropore Diameter limbers, the other half is uniformly provided with small-bore limbers.

Further, it is equipped in the end cap in respectively driving and is driven every bucket, outside every the first driving assembly of bucket rotation, second Dynamic component, first driving assembly includes the first driving gear being meshed, the first driven gear, first driven gear It is assemblied on the outer wall of inner sleeve axis, the middle part of first driving gear is equipped with first rotating shaft, the upper and lower side of the first rotating shaft It is rotatablely connected respectively with end cap, first annular partition, and the upper end of the first rotating shaft is upward through end cap and extends to end cap Top is connected with third handwheel, and second driving assembly includes the second driving gear being meshed, the second driven gear, described Second driven gear is assemblied on the outer wall of housing axis, and the middle part of second driving gear is equipped with the second shaft, and described second The upper and lower side of shaft is rotatablely connected with end cap, first annular partition respectively, and the upper end of second shaft is upward through end cap And extend to above end cap and be connected with the 4th handwheel, the diameter of first driven gear is the two of the diameter of the first driving gear Times, the diameter of second driven gear is two times of the diameter of the second driving gear.

Further, the elevating mechanism is a lifting screwed pipe, the lower end of the lifting screwed pipe by more support rods with The inner wall of the upper end Joint of taper valve core, the lifting screwed pipe is equipped with internal screw thread, and the side wall of the lower part of the valve rod is equipped with With the external screw thread that is threadedly coupled of lifting screwed pipe, vertically equipped at least on the inner wall of the external pipe below second annular partition A pair of of sliding slot is connected with a sliding block in the sliding slot, and the sliding block is slidably connected with sliding slot, and the sliding block by connecting rod and rises The outer wall Joint of screwed pipe drops, and the lower end of the valve rod is equipped with the limited block for preventing valve rod to be detached from from lifting screwed pipe.

Further, the side wall of the external pipe between the outlet conduit and first annular partition, the second annular partition It is connected, the inner edge of the water outlet of the outlet conduit is equipped with the cylindrical hollow hole of multiple stepped arrangements, the hollow hole Diameter be sequentially reduced towards close to the direction of external pipe, a circle rubber ring, the hollow hole are equipped between adjacent hollow hole Inner wall be equipped with internal screw thread.

Further, the water outlet of the outlet conduit is equipped with mounting head, and the mounting head outer wall is equipped with external screw thread, institute It states mounting head to be threadedly coupled with hollow hole, movable sleeve is equipped with a locking capping, the inner wall of the locking capping in the mounting head Equipped with internal screw thread, the outer wall of the water outlet of the outlet conduit is equipped with the external screw thread connecting with locking closure threads, the lock Stop collar is respectively equipped on the mounting head outer wall of the tight capping left and right sides, the left end of the mounting head is equipped with the second handwheel.

Further, the baffle with apopore is welded in the outlet conduit, the baffle is equipped with and is plugged on water outlet Taper plug in hole, the taper plug are connected by fixed link with mounting head.

Further, the taper valve core, packet is equipped with rubber layer respectively on taper plug.

The advantages and positive effects of the utility model are as follows:

1. in the utility model, by inner sleeve axis drive in rotate every bucket, when opening fire hydrant, steel mesh structure towards Outlet conduit may filter that sandstone, impurity in water, prevent the sandstone in water, impurity from arranging out of outlet conduit together with water flow Out, when needing to close fire hydrant, make steel plate structure towards outlet conduit every bucket in rotation, water can be reduced to external impact Power, so that the water flow at outlet conduit falls sharply to close outlet conduit, it is easy to operate.

2. in the utility model, being rotated by the way that the drive of housing axis is outer every bucket, when big every being uniformly provided on the staving of bucket outside When the side of aperture limbers is towards outlet conduit, water flows through the discharge of large aperture limbers, and flow velocity is big, when outside every on the staving of bucket When being uniformly provided with the side of small-bore limbers towards outlet conduit, water flows through the discharge of small-bore limbers, and flow velocity reduces, outside It can be used for adjusting the flow velocity of water outlet every bucket, it is easy to operate.

3. in the utility model, the inner edge of the water outlet of outlet conduit is equipped with the cylindrical hollow of multiple stepped arrangements Hole, so that the water outlet of outlet conduit is suitable for being threadedly coupled the fire extinguisher canvas hose of plurality of specifications diameter, use scope is wide.

4. in the utility model, mounting head is threadably mounted at the water outlet of outlet conduit for opening or closing outlet pipe Road is spun on the outer wall of outlet conduit by locking capping, can further fixed mounting head and outlet conduit installation stabilization Property.

Detailed description of the invention

The technical solution of the utility model is described in further detail below with reference to drawings and examples, still It should be known that these attached drawings are designed for task of explanation, therefore not as the restriction of the scope of the utility model.In addition, Unless otherwise indicated, these attached drawings are meant only to conceptually illustrate structure construction described herein, without to carry out to scale It draws.

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is Fig. 1 schematic diagram of internal structure；

Fig. 3 is the longitudinal sectional drawing of Fig. 1；

Fig. 4 is to cover bucket in Fig. 2 and cover the structural schematic diagram of axis；

Fig. 5 is the structural schematic diagram every bucket outside；

Fig. 6 is the interior structural schematic diagram every bucket；

Fig. 7 is the longitudinal sectional drawing of outlet conduit.

In figure: 1. end caps, 2. external pipes, 3. bottom bodies, 4. outlet conduits, 5. valve rods, 6. valve plates, 7. cone valves Core, 8. first annular partitions, 9. second annular partitions, 10. first handwheels, in 11. every bucket, 12. it is outer every bucket, 13. inner sleeve axis, 14. housing axis, 15. annular grooves, 16. steel plate structures, 17. steel mesh structures, 18. large aperture limbers, 19. small-bore water flowings Hole, 20. lifting screwed pipes, 21. support rods, 22. sliding slots, 23. connecting rods, 24. limited blocks, 25. hollow holes, 26. mounting heads, 27. locks Tight capping, 28. stop collars, 29. second handwheels, 30. baffles, 31. taper plugs, 32. fixed links, 33. first driving gears, 34. the first driven gear, 35. first rotating shafts, 36. third handwheels, 37. second driving gears, 38. second driven gears, 39. Two shafts, 40. the 4th handwheels.

Specific embodiment

Firstly, it is necessary to which explanation, illustrates the specific structure, feature of the utility model for by way of example below With advantage etc., however what all descriptions were intended merely to be illustrated, and should not be construed as forming the utility model and appoint What is limited.In addition, any single technical characteristic for being described by or implying in each embodiment mentioned by this paper, or it is shown Or implicit any single technical characteristic in the drawings, still can continue between these technical characteristics (or its equivalent) into Row any combination is deleted, to obtain more other embodiments of the utility model that may do not referred to directly herein. In addition, same or like technical characteristic may be indicated only at one in the same figure for the sake of simplifying drawing.

In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot It is construed as a limitation of the present invention.

In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

Fig. 1 is the structural schematic diagram of the utility model；Fig. 2 is Fig. 1 schematic diagram of internal structure；Fig. 3 is the longitudinal profile of Fig. 1 Figure；Fig. 4 is to cover bucket in Fig. 2 and cover the structural schematic diagram of axis；Fig. 5 is the structural schematic diagram every bucket outside；Fig. 6 is the interior structure every bucket Schematic diagram；Fig. 7 is the longitudinal sectional drawing of outlet conduit.The utility model just is illustrated in conjunction with Fig. 1-Fig. 7 below.

As shown in figs. 1-7, a kind of fire hydrant, including passing sequentially through end cap 1, the external pipe 2, bottom that fixing bolt is mutually fixed Portion's valve body 3 is welded with outlet conduit 4 on the side wall of the external pipe 2, is equipped with a valve rod 5 vertically in the external pipe 2, The interior welds of the bottom body 3 have the valve plate 6 with valve opening, and the valve plate 6 is equipped with the taper that activity is plugged in valve opening Spool 7；The inside of the external pipe 2 is welded with first annular partition 8, the second annular partition 9, first ring from top to bottom The set bucket with impact work energy is equipped between shape partition 8, the second annular partition 9, the upper end of the set bucket, which is equipped with, to be attached thereto The upper end of logical hollow set axis, the set axis connects through first annular partition 8 and by bearing and the rotation of first annular partition 8 It connects；The upper end of the valve rod 5 is upward through end cap 1 and extends to the top of end cap 1 to be connected with the first handwheel 10, the valve rod 5 and It is connected between taper valve core 7 by elevating mechanism.

As an example, the bottom end of bottom body 3 is bolted on the water outlet of water supply line, disappears when needing to pass through When anti-bolt supplies water, the water of pressurization passes sequentially through valve opening, external pipe 2, outlet conduit 4 on valve plate 6 and ejects, and passes through cone valve Core 7 controls the switch of valve opening, to control whether to be discharged, is equipped between first annular partition 8, the second annular partition 9 with anti- The set bucket of impact function, the impact of water is made when set bucket can be used for adjusting the flow velocity of water outlet and can be used for reducing switch fire hydrant With, wherein set axis drives set bucket to rotate with it；By rotation the first handwheel 10 rotation to rotate with ovable valve stem 5, valve rod 5 is logical It crosses elevating mechanism to be connected with taper valve core 7, so that taper valve core 7 be driven to move up and down, then opens or closes fire hydrant.

Further for, can also consider in the present invention, the set bucket include coaxial arrangement it is interior every bucket 11, Outside every bucket 12, it is described it is outer in bucket 12 is sheathed on every the outside of bucket 11, it is described in every bucket 11, outside every bucket 12 be by being integrally formed Staving, bung composition upper end closed, lower ending opening bucket body structure, the set axis include coaxial arrangement inner sleeve axis 13, Housing axis 14, the housing axis 14 are sheathed on the outside of inner sleeve axis 13 and the upper end of the inner sleeve axis 13 and stretch out the upper of housing axis 14 Side, the valve rod 5 are inserted among inner sleeve axis 13, are rotated and are connected by bearing between the housing axis 14 and first annular partition 8 Connect, by sealing bearing rotation connection between the housing axis 14 and inner sleeve axis 13, and the valve rod 5 and inner sleeve axis 13 pass through it is close Seal bearing rotation connection, the lower end of the inner sleeve axis 13 is connected with the interior bung every bucket 11, the lower end of the housing axis 14 and It is connected outside every the bung of bucket 12, the upper surface of second annular partition 9 offers co-axial annular groove 15, described It is interior to be extend into annular groove 15 every bucket 11, outside every the lower end of bucket 12.

It should be pointed out that it is described in every bucket 11, outside every bucket 12 staving expansion after be a rectangle steel plate, it is described Wherein half is steel mesh structure 17 to the interior staving every bucket 11, the other half is steel plate structure 16, the outer staving one every bucket 12 Semi-homogeneous offers large aperture limbers 18, the other half is uniformly provided with small-bore limbers 19.

As an example, set bucket includes the interior every bucket 11, outside every bucket 12 of coaxial arrangement, covers the inner sleeve axis that axis includes coaxial arrangement 13, housing axis 14, the lower end of inner sleeve axis 13 are connected with the interior bung every bucket 11, the lower end of housing axis 14 with outside every the bucket of bucket 12 Lid is connected, thus is rotated with it in being driven by inner sleeve axis 13 every bucket 11, by housing axis 14 drive it is outer every bucket 12 therewith Rotation, and wherein half is steel mesh structure 17 to the interior staving every bucket 11, the other half is steel plate structure 16, when unlatching fire hydrant When, it is rotatably interior to make the interior staving every bucket 11 be the side of steel mesh structure 17 towards outlet conduit, steel wire knot every bucket 11 Structure 17 may filter that sandstone, impurity in water, and the sandstone in water, impurity is prevented to be discharged out of outlet conduit 4 together with water flow, and When wanting to close fire hydrant, since the impact force of water flow is excessive, closing outlet conduit 4, valve opening are more difficult by force, at this point, can The interior staving every bucket 11 is made to be the side of steel plate structure 16 towards outlet conduit every bucket 11 in rotation, water impact is in steel plate knot On structure 16, water is to external impact force when steel plate structure 16 can reduce switch fire hydrant, so that the water flow at outlet conduit is sharp Subtract and be easy to close outlet conduit, outlet conduit is rotated further by valve rod 5 after closing, also easily close valve orifice, easy to operate； It is uniformly provided with large aperture limbers 18 every the staving half of bucket 12 outside, the other half is uniformly provided with small-bore limbers 19, when Rotation is outer to be made outside every bucket 12 every being uniformly provided with the side of large aperture limbers 18 on the staving of bucket 12 towards outlet conduit, water The discharge of large aperture limbers 18 is flowed through, flow velocity is very big, to be uniformly provided with every on the staving of bucket 12 outside every bucket 12 when rotation is outer Towards outlet conduit, water flows through the discharge of small-bore limbers 19 for the side of small-bore limbers 19, and flow velocity reduces, outside can every bucket 12 It is easy to operate for adjusting the flow velocity of water outlet.

It for further, can also consider in the present invention, be equipped in the end cap 1 in respectively driving every bucket 11, the first driving assembly, the second driving assembly rotated outside every bucket 12, first driving assembly include the first master being meshed Moving gear 33, the first driven gear 34, first driven gear 34 are assemblied on the outer wall of inner sleeve axis 13, and described first actively The middle part of gear 33 be equipped with first rotating shaft 35, the upper and lower side of the first rotating shaft 35 respectively with 8 turns of end cap 1, first annular partition Dynamic connection, and the upper end of the first rotating shaft 35 is upward through end cap 1 and extends to 1 top of end cap and is connected with third handwheel 36, Second driving assembly includes the second driving gear 37 being meshed, the second driven gear 38, second driven gear 38 It is assemblied on the outer wall of housing axis 14, the middle part of second driving gear 37 is equipped with the second shaft 39, second shaft 39 Upper and lower side be rotatablely connected respectively with end cap 1, first annular partition 8, and the upper end of second shaft 39 is upward through end cap 1 And extend to 1 top of end cap and be connected with the 4th handwheel 40, the diameter of first driven gear 34 is the first driving gear 33 Two times of diameter, the diameter of second driven gear 38 are two times of the diameter of the second driving gear 37.

First driving assembly rotates between first annular partition 8, the second annular partition 9 in can driving every bucket 11, passes through Rotating third handwheel 36 drives first rotating shaft 35 to rotate, and the first driving gear 33 is connected with first rotating shaft 35, the first driving gear 33 rotate with it, and since the first driving gear 33 is meshed with the first driven gear 34, the first driven gear 34 is assemblied in inner sleeve On the outer wall of axis 13, inner sleeve axis 13 can be driven under the driving of the first driving assembly in every bucket 11 in first annular partition 8, second It is rotated between annular partition 9, since the diameter of the first driven gear 34 is two times of the diameter of the first driving gear 33, third hand Interior when 36 one circle of rotation of wheel just to rotate half-turn every bucket 11, the staving towards outlet conduit 4 just rotates 180 degree；Second driving Component rotates between first annular partition 8, the second annular partition 9 outside can driving every bucket 12, passes through and rotates 40 band of the 4th handwheel Dynamic second shaft 39 rotation, the second driving gear 37 are connected with the second shaft 39, and the second driving gear 37 rotates with it, due to the Two driving gears 37 are meshed with the second driven gear 38, and the second driven gear 38 is assemblied on the outer wall of housing axis 14, housing Axis 14 turns between first annular partition 8, the second annular partition 9 outside it can drive under the driving of the second driving assembly every bucket 12 It is dynamic, since the diameter of the second driven gear 38 is two times of the diameter of the second driving gear 37, when the 4th handwheel 40 rotation one is enclosed Half-turn is just rotated every bucket 12 outside, the staving towards outlet conduit 4 just rotates 180 degree, it should be noted that be intuitive The angle rotated every bucket 11 or outside every bucket 12 in solution, can marked indicia line, and marking on third handwheel 36 or the 4th handwheel 40 Mark line is well known form, and this will not be detailed here.

For further, it can also consider in the present invention, the elevating mechanism is a lifting screwed pipe 20, described The lower end for going up and down screwed pipe 20 passes through the upper end Joint of more support rods 21 and taper valve core 7, the inner wall of the lifting screwed pipe 20 Equipped with internal screw thread, the side wall of the lower part of the valve rod 5 is equipped with the external screw thread being threadedly coupled with lifting screwed pipe 20, second ring At least a pair of of sliding slot 22 is equipped on the inner wall of the external pipe 2 of 9 lower section of shape partition vertically, it is sliding to be connected with one in the sliding slot 22 Block, the sliding block are slidably connected with sliding slot 22, and the sliding block is by the outer wall Joint of connecting rod 23 and lifting screwed pipe 20, described The lower end of valve rod 5 is equipped with the limited block 24 for preventing valve rod 5 to be detached from from lifting screwed pipe 20.

Since the outer wall of lifting screwed pipe 20 is connected by connecting rod 23 with sliding block, sliding block is slidably connected with sliding slot 22, when valve rod 5 When forward or reverse, lifting screwed pipe 20 22 can move up and down along the chute, lifting screwed pipe 20 move up and down during taper valve core 7 with Move up and down, to realize the switch of valve opening on valve plate 6.

For further, it can also consider in the present invention, the outlet conduit 4 and first annular partition 8, the The side wall of external pipe 2 between second ring partition 9 is connected, and the inner edge of the water outlet of the outlet conduit 4 is in equipped with multiple The diameter in the cylindrical hollow hole 25 of ladder-like arrangement, the hollow hole 25 is sequentially reduced towards the direction close to external pipe 2, adjacent Hollow hole 25 between be equipped with a circle rubber ring, the inner wall of the hollow hole 25 is equipped with internal screw thread.

The inner edge of the water outlet of outlet conduit 4 is equipped with the cylindrical hollow hole 25 of multiple stepped arrangements, and hollow hole 25 Diameter be sequentially reduced towards close to the direction of external pipe 2 so that the water outlet of outlet conduit 4 is suitable for being threadedly coupled a variety of rule The fire extinguisher canvas hose of lattice diameter, use scope is wide, and the circle rubber ring being equipped between adjacent hollow hole 25 helps to improve fire-fighting Leakproofness when water pipe is installed between outlet conduit 4.

For further, it can also consider in the present invention, the water outlet of the outlet conduit 4 is equipped with mounting head 26,26 outer wall of mounting head is equipped with external screw thread, and the mounting head 26 is threadedly coupled with hollow hole 25, in the mounting head 26 Movable sleeve is equipped with a locking capping 27, and the inner wall of the locking capping 27 is equipped with internal screw thread, the water outlet of the outlet conduit 4 Outer wall is equipped with the external screw thread being threadedly coupled with locking capping 27, and the locking covers on 26 outer wall of mounting head of 27 left and right sides It is respectively equipped with stop collar 28, the left end of the mounting head 26 is equipped with the second handwheel 29.

By the rotatably mounted head 26 of the second handwheel 29, the water outlet that mounting head 26 is threadably mounted at outlet conduit 4 is used for Outlet conduit 4 is closed, when mounting head 26 is threadably mounted on outlet conduit 4, the outer of outlet conduit 4 is spun on by locking capping 27 On wall, can the stability installed with outlet conduit 4 of further fixed mounting head 26, the mounting head of 27 left and right sides of locking capping The position that the stop collar 28 being respectively equipped on 26 outer walls can limit locking capping 27 prevents from falling off.

For further, it can also consider in the present invention, be welded in the outlet conduit 4 with apopore Baffle 30, the baffle 30 are equipped with the taper plug 31 being plugged in apopore, and the taper plug 31 passes through fixed link 32 It is connected with mounting head 26.

Mounting head 26 can drive taper plug 31 mobile, to control the switch of apopore, play to outlet conduit 4 dual Sealing process.

For further, it can also consider in the present invention, on the taper valve core 7, taper plug 31 respectively Packet is equipped with rubber layer.The leakproofness between taper valve core 7 and valve opening, taper plug 31 and apopore can be improved in rubber layer.

In conclusion the utility model provide it is a kind of convenient for switching, the flow velocity of adjustable water outlet, improve use it is practical Property, safety fire hydrant.

The utility model is described in detail in above embodiments, but the content is only the preferable reality of the utility model Example is applied, should not be considered as limiting the scope of the present invention.Equalization made according to the scope of application of this utility model Variation and improvement etc., should still belong within the patent covering scope of the utility model.

Claims (9)

1. a kind of fire hydrant, end cap, external pipe, the bottom body mutually fixed including passing sequentially through fixing bolt, the outside It is welded with outlet conduit on the side wall of pipeline, is equipped with a valve rod in the external pipe vertically, the inside of the bottom body is welded It is connected to the valve plate with valve opening, the valve plate is equipped with the taper valve core that activity is plugged in valve opening, it is characterised in that:

The inside of the external pipe is welded with first annular partition, the second annular partition from top to bottom, it is described it is first annular every The set bucket with impact work energy is equipped between plate, the second annular partition, the upper end of the set bucket, which is equipped with, to be attached thereto in logical The upper end of empty set axis, the set axis is rotatablely connected through first annular partition and by bearing and first annular partition；

The upper end of the valve rod is upward through end cap and extends to above end cap to be connected with the first handwheel, the valve rod and cone valve It is connected between core by elevating mechanism.

2. a kind of fire hydrant according to claim 1, it is characterised in that: the set bucket include coaxial arrangement it is interior every bucket, Outside every bucket, it is described it is outer be set to every casing it is interior every the outside of bucket, it is described in every bucket, outside every bucket be by integrally formed staving, bucket Cover composition upper end closed, lower ending opening bucket body structure, the set axis include coaxial arrangement inner sleeve axis, housing axis, it is described Housing axle sleeve is set to the top of the upper end stretching housing axis of the outside of inner sleeve axis and the inner sleeve axis, and the valve rod is inserted in inner sleeve It among axis, is rotatablely connected between the housing axis and first annular partition by bearing, is led between the housing axis and inner sleeve axis Cross the rotation connection of sealing bearing, and the valve rod and inner sleeve axis be by sealing bearing rotation connection, the lower end of the inner sleeve axis with The interior bung every bucket is connected, and the lower end of the housing axis is connected with the bung outside every bucket, second annular partition it is upper End face offers co-axial annular groove, it is described in extend into annular groove every bucket, outside every the lower end of bucket.

3. a kind of fire hydrant according to claim 2, it is characterised in that: described interior every bucket, outside after the staving expansion of bucket It is a rectangle steel plate, wherein half is steel mesh structure to the interior staving every bucket, the other half is steel plate structure, described It is uniformly provided with large aperture limbers every the staving half of bucket outside, the other half is uniformly provided with small-bore limbers.

4. a kind of fire hydrant according to claim 1, it is characterised in that: be equipped in the end cap in respectively driving every bucket, The first driving assembly every bucket rotation, the second driving assembly outside, first driving assembly includes the first driving tooth being meshed Wheel, the first driven gear, first driven gear are assemblied on the outer wall of inner sleeve axis, set in the middle part of first driving gear There is first rotating shaft, the upper and lower side of the first rotating shaft is rotatablely connected with end cap, first annular partition respectively, and the first rotating shaft Upper end be upward through end cap and extend to above end cap and be connected with third handwheel, second driving assembly includes being meshed Second driving gear, the second driven gear, second driven gear are assemblied on the outer wall of housing axis, second driving tooth The middle part of wheel is equipped with the second shaft, and the upper and lower side of second shaft is rotatablely connected with end cap, first annular partition respectively, and institute The upper end for stating the second shaft is upward through end cap and extends to above end cap to be connected with the 4th handwheel, first driven gear Diameter is two times of the diameter of the first driving gear, and the diameter of second driven gear is the two of the diameter of the second driving gear Times.

5. a kind of fire hydrant according to claim 1, it is characterised in that: the elevating mechanism is a lifting screwed pipe, described The lower end for going up and down screwed pipe passes through the upper end Joint of more support rods and taper valve core, and the inner wall of the lifting screwed pipe is equipped with interior spiral shell Line, the side wall of the lower part of the valve rod are equipped with the external screw thread being threadedly coupled with lifting screwed pipe, the second annular partition lower section External pipe inner wall on be equipped at least a pair of of sliding slot vertically, be connected with a sliding block, the sliding block and sliding slot in the sliding slot It is slidably connected, and the sliding block, by the outer wall Joint of connecting rod and lifting screwed pipe, the lower end of the valve rod, which is equipped with, prevents valve rod The limited block being detached from from lifting screwed pipe.

6. a kind of fire hydrant according to claim 1, it is characterised in that: the outlet conduit and first annular partition, the The side wall of external pipe between second ring partition is connected, and it is in ladder that the inner edge of the water outlet of the outlet conduit, which is equipped with multiple, The diameter in the cylindrical hollow hole of shape arrangement, the hollow hole is sequentially reduced towards the direction close to external pipe, adjacent hollow hole Between be equipped with a circle rubber ring, the inner wall of the hollow hole is equipped with internal screw thread.

7. a kind of fire hydrant according to claim 1, it is characterised in that: the water outlet of the outlet conduit is equipped with installation Head, the mounting head outer wall are equipped with external screw thread, and the mounting head is threadedly coupled with hollow hole, is slidingly connected in the mounting head Have a locking capping, the inner wall of the locking capping is equipped with internal screw thread, the outer wall of the water outlet of the outlet conduit be equipped with The external screw thread of closure threads connection is locked, is respectively equipped with stop collar on the mounting head outer wall of the locking capping left and right sides, institute The left end for stating mounting head is equipped with the second handwheel.

8. a kind of fire hydrant according to claim 7, it is characterised in that: be welded in the outlet conduit with apopore Baffle, the baffle are equipped with the taper plug being plugged in apopore, and the taper plug passes through fixed link and mounting head phase Even.

9. a kind of fire hydrant according to claim 8, it is characterised in that: wrapped respectively on the taper valve core, taper plug Equipped with rubber layer.