CN206444048U - A kind of fire hydrant - Google Patents

Abstract

The utility model is related to a kind of fire hydrant, including key, valve rod, bonnet, slip lid, swivelling cover, swivel head, and the swivel head is internally provided with magnet corresponding with the slip lid, and the swivel head is fixedly connected on handle；The bottom of the key is disposed with first annular groove and first annular projection, the bottom of the key is removably connected with supply line by connection component, the second annular protrusion is provided with the supply line, the connection component includes two semicircular dismountable connectors, the 3rd annular protrusion corresponding with first annular groove is provided with the connector and fourth annular corresponding with supply line is raised, equal the second ring-shaped groove corresponding with first annular raised and the second annular protrusion is arranged between 3rd annular protrusion and fourth annular are raised, the inwall of second ring-shaped groove is provided with annular sealing strip.The beneficial effects of the utility model are：Good anti-theft effect, good sealing effect.

Description

A kind of fire hydrant

Technical field

The utility model is related to Escape and Survival Equipment technical field, it particularly relates to a kind of fire hydrant.

Background technology

Fire hydrant is a kind of fixed fire fighting device, and main function is control combustible, isolation oxidizer, eliminates and catch fire Source.Divide indoor fire hydrant and outdoor fire hydrant.Fire-fighting system includes, outdoor fire hydrant system, indoor fire hydrant system, fire extinguisher System, what is had also has automatic sprinkler fire-extinguishing system, water cannon system, gas extinguishing system, fiery spy system, spraying system etc..Fire hydrant Mainly for fire fighting truck from municipal water supply pipeline or outdoor fire fighting supply line water intaking implement fire extinguishing, can also be directly connected to water band, Hydraulic giant goes out above-water method.

Fire hydrant is generally located on roadside, and frequent someone is directly fetched water by turning on valve rod, causes the consumption of fire-fighting resource, Fire hydrant insufficient water when fire occurs.

Therefore, a kind of fire hydrant that can be antitheft is developed, the problem of becoming as professional's urgent need to resolve.

Utility model content

The utility model proposes a kind of fire hydrant, the deficiency of above-mentioned aspect in existing product is overcome.

The purpose of this utility model is achieved through the following technical solutions：

A kind of fire hydrant, including key, valve rod and bonnet, the top of the key are provided with outlet pipe, and the bonnet is consolidated Dingan County is loaded on the top of the key, and the valve rod is arranged in the key, and the top of the bonnet is stretched out in the upper end of the valve rod Portion, the upper end of the valve rod is provided with slip lid moving up and down, and the slip lid is connected with the valve rod key, and the slip lid is sheathed on rotation In the inner chamber of hub cap, be provided with post holes on the inner chamber, the slip lid is provided with cylinder corresponding with the post holes, the slip lid with Stage clip is provided between swivelling cover；Polygonal projection is provided with the top of the swivelling cover, the projection is removably connected with Swivel head, the swivel head is internally provided with magnet corresponding with the slip lid, and the swivel head is fixedly connected on handle；Institute The bottom for stating key is disposed with first annular groove and first annular projection, and the bottom of the key can by connection component Being connected with supply line, the supply line for dismounting is provided with the second annular protrusion, and the connection component includes two and half Be provided with circular dismountable connector, the connector the 3rd annular protrusion corresponding with first annular groove and with The corresponding fourth annular of supply line is raised, the 3rd annular protrusion and fourth annular it is raised between be arranged with the first ring Raised the second ring-shaped groove corresponding with the second annular protrusion of shape, the inwall of second ring-shaped groove is provided with ring packing Bar.

Further, the top of the bonnet is installed with bolt and covered, and lid is provided with through hole, the slip lid on the bolt It is respectively positioned on swivelling cover in the through hole, the top covered on the bolt is higher than the top of the swivelling cover.

Further, it is provided with the swivel head in blind hole, the blind hole and is arranged with movable block moving up and down, institute State and spring is provided between movable block and blind hole, the magnet is fixedly connected on the movable block.

Further, the lower end of the valve rod is fixedly connected with valve cover, and the bottom of the valve cover is provided with pad, institute The valve seat for being provided with and being connected with supply line below pad is stated, one is additionally provided between the pad and the valve seat Individual rubber packing, the axial section of the rubber packing is in convex shape, and the seat mouthful of the lower end insertion valve seat of the rubber packing should The diameter of rubber packing lower end is matched with the size of valve seat seat mouth bore, and the annular top surface of the rubber packing On be also coaxially set and have annular groove.

The beneficial effects of the utility model are：Good anti-theft effect, good sealing effect.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art In required for the accompanying drawing that uses be briefly described, it should be apparent that, drawings in the following description are only of the present utility model Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this A little accompanying drawings obtain other accompanying drawings.

Fig. 1 is the partial sectional view of the fire hydrant described in the utility model embodiment；

Fig. 2 is enlarged drawing at the A of the fire hydrant according to Fig. 1；

Fig. 3 is the sectional view of the connector according to Fig. 1；

Fig. 4 is the sectional view after the connector split according to Fig. 1；

Fig. 5 is the structural representation of the valve rod lower end according to Fig. 1；

Fig. 6 is the structural representation of the rubber packing according to Fig. 1；

Fig. 7 is the structural representation of the protecting box described in the utility model embodiment；

Fig. 8 is the structural representation of the protection cap described in the utility model embodiment.

In figure：

1st, key；2nd, outlet pipe；3rd, handle；4th, valve rod；5th, bonnet；6th, slip lid；7th, swivelling cover；8th, stage clip；9th, covered on bolt； 10th, post holes；11st, cylinder；12nd, swivel head；13rd, magnet；14th, movable block；15th, spring；16th, first annular groove；17th, the first ring Shape is raised；18th, the second annular protrusion；19th, connector；20th, the second ring-shaped groove；21st, annular sealing strip；22nd, valve cover；23、 Pad；24th, rubber packing；25th, valve seat；26th, annular groove；27th, protecting box；28th, protection cap；29th, connecting hole.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art are obtained all belongs to The scope protected in the utility model.

As shown in figures 1 to 6, a kind of fire hydrant according to the utility model embodiment, including key 1, valve rod 4 and valve Lid 5, the top of the key 1 is provided with outlet pipe 2, and the bonnet 5 is fixedly installed in the top of the key 1, and the valve rod 4 is worn In the key 1, and the top of the bonnet 5 is stretched out in the upper end of the valve rod 4, the upper end of the valve rod 4 provided with can above and below Mobile slip lid 6, the slip lid 6 is connected with the key of valve rod 4, and the slip lid 6 is sheathed in the inner chamber of swivelling cover 7, the inner chamber On be provided with post holes 10, the slip lid 6 is provided with cylinder 11 corresponding with the post holes 10, is set between the slip lid 6 and swivelling cover 7 There is stage clip 8；The top of the swivelling cover 7 is provided with polygonal projection, and the projection is removably connected with swivel head 12, institute The magnet 13 corresponding with the slip lid 6 that is internally provided with of swivel head 12 is stated, the swivel head 12 is fixedly connected on the handle 3；Institute The bottom for stating key 1 is disposed with first annular groove 16 and first annular raised 17, and the bottom of the key 1 passes through connection Component, which is removably connected with supply line, the supply line, is provided with the second annular protrusion 18, the connection component bag Include and be provided with two semicircular dismountable connectors 19, the connector 19 and first annular groove 16 the corresponding 3rd Annular protrusion and fourth annular corresponding with supply line are raised, recessed between the 3rd annular protrusion and fourth annular projection Provided with equal with first annular raised 17 and corresponding second ring-shaped groove 20 of the second annular protrusion 18, second ring-shaped groove 20 Inwall be provided with annular sealing strip 21.

In a specific embodiment of the present utility model, the top of the bonnet 5 is installed with lid 9 on bolt, described Lid 9 is provided with through hole on bolt, and the slip lid 6 is respectively positioned in the through hole with swivelling cover 7, and the top of lid 9 is higher than the rotation on the bolt The top of hub cap 7.

In a specific embodiment of the present utility model, blind hole, the blind hole inner sleeve are provided with the swivel head 12 Provided with movable block 14 moving up and down, spring 15 is provided between the movable block 14 and blind hole, the magnet 13, which is fixed, to be connected It is connected on the movable block 14.

In a specific embodiment of the present utility model, the lower end of the valve rod 4 is fixedly connected with valve cover 22, described The bottom of valve cover 22 is provided with pad 23, and the lower section of the pad 23 is provided with the valve seat 25 being connected with supply line, A rubber packing 24 is additionally provided between the pad 23 and the valve seat 25, the axial section of the rubber packing 24 is in Convex shape, the seat mouthful of the lower end insertion valve seat 25 of the rubber packing 24, the diameter of the lower end of rubber packing 24 with it is described The size matching of 25 mouth bores of valve seat, and be also coaxially set in the annular top surface of the rubber packing 24 and have annular groove 26。

Above-mentioned technical proposal of the present utility model is understood for convenience, below by way of new to this practicality in specifically used mode The above-mentioned technical proposal of type is described in detail.

It is described in the utility model be fixedly connected, fixed installation mode can be connected by screw bolts, weld, the conventional skill such as clamping Art means are replaced.

Fire hydrant described in the utility model, including key 1, bonnet 5, valve rod 4, bonnet 5 are located at the upper end of key 1, valve Bar 4 is in key 1, and the top of bonnet 5 is stretched out in the upper end of valve rod 4, and the upper end of valve rod 4 is provided with slip lid 6 moving up and down, sliding Lid 6 is connected with the key of valve rod 4, and the outside of slip lid 6 is provided with the swivelling cover 7 for encasing slip lid 6, and the bottom of swivelling cover 7 is provided with inner chamber, slip lid 6 It can be moved up and down in interior intracavitary, inner chamber top is provided with post holes 10, slip lid 6 is provided with the cylinder 11 matched with post holes 10, moves up cunning Cylinder 11 be can be inserted into post holes 10 during lid 6, and stage clip 8 is provided between slip lid 6 and swivelling cover 7；The upper end of bonnet 5 is provided with and surrounds rotation The upper end of lid 9 is higher by the upper end of swivelling cover 7 on lid 9, bolt on the bolt of lid 7；The upper end of swivelling cover 7 is less than the upper end of lid 9 on bolt, rotation Hub cap 7 is not easy to be destroyed；Also include handle 3, the middle part of handle 3 is connected with swivel head 12, and swivel head 12 is cylinder, internal It is provided with cavity, upper end closed, lower ending opening（That is blind hole）, can slide up and down movable block 14, movable block are provided with cavity The limited block for being provided with spring 15, cavity wall and preventing that movable block 14 from deviating from, activity are set between 14 top and cavity upper end The bottom of block 14 is mounted by means of screws with the magnet 13 for attracting slip lid 6 to move up；The inner wall shape of cavity lower end is six Side shape, the top of swivelling cover 7 is raised for matching hexagon, during normal state, and slip lid 6 is promoted by stage clip 8 and moved down, slip lid 6 separate with swivelling cover 7, and swivelling cover 7 can not act on slip lid 6；When needing water intaking, the swivel head 12 of handle 3 is inserted on bolt Cavity lower end in lid 9 and is connected to the upper end of swivelling cover 7, slip lid 6 is attracted to move up by magnet 13, and the cylinder 11 of slip lid 6 is inserted In the post holes 10 for entering swivelling cover 7, rotation swivelling cover 7 can drive slip lid 6 to rotate, and then drive valve rod 4 to rotate.Therefore, when handle 3 The absorption slip lid 6 of magnet 13 move up and during with 7 clamping of swivelling cover, the actuatable valve bar 4 of rotating handles 3 is rotated, and slip lid 6 is not moved up When, swivelling cover 7 can only dally, and realize antitheft.

Existing fire hydrant is all to be connected by ring flange with supply line, and the fire hydrant that the present embodiment is provided passes through first Ring-shaped groove 16 and supply line clamping, make that fire hydrant is connected with supply line is more firm, quick and easy for installation, lifts it Sealing,

Fire hydrant also includes connection component, and connection component includes the connector 19 of two semicirculars in shape, two connectors 19 It is connected respectively with first annular groove 16, connector 19 is provided with the second ring-shaped groove 20, the second ring-shaped groove 20 is located at the 3rd Between annular protrusion and fourth annular are raised, radially outward depression of second ring-shaped groove 20 along connector 19, the second annular ditch It is detachably connected between circumferentially extending of the groove 20 along connector 19, two connectors 19 by bolt, two connectors 19 are connected An annulus is formed afterwards；Connection component also includes annular sealing strip 21, and annular sealing strip 21 is located in the second ring-shaped groove 20.

The second annular protrusion 18 is provided with the port of supply line, two connections of connector 19 make two the second annular ditch Groove 20 is connected, and the 3rd annular protrusion is caught in first annular groove 16, and fourth annular projection is close to supply line outer wall, first annular The annular protrusion 18 of projection 17 and second is caught in the second ring-shaped groove 20 simultaneously.And first annular raised 17 and second convex annular The side wall for playing 18 is in close contact annular sealing strip 21, so as to the sealing of further lifting connection component, makes the close of fire hydrant Envelope property is guaranteed.

Fire hydrant is in use, the plug-in type of rubber packing 24 can be pasted onto to 25 mouths of valve seat, the saw lumber rubber of rubber packing 24 The natural toughness of glue makes the pad 23 of the baseplane of valve cover 22 tightly be contacted with the annular groove 26 of rubber packing 24 so that valve Sealing is obtained to close.Because valve cover 22 and rubber packing 24 are flexible contacts, therefore any infringement will not be caused to valve cover 22. And the equally release elasticity of rubber packing 24, so being also not damaged.It is lasting that such mechanical combination can be realized repeatedly Work, so that the service life of fire hydrant is greatly prolonged.

As Figure 7-8, protecting box 27 is provided with outside lid 9 on bolt, protecting box 27 is also embedded in underground, and protecting box 27 upper edge and ground flush.Protection cap 28 is additionally provided with the top of protecting box 27, when needing to use fire hydrant, will be protected Protecting cover 28 is opened and can fetched water；When using finishing, protection cap 28 is closed, swivelling cover 7 is protected.Opened up in protection cap 28 There is connecting hole 29, rotating shaft can be passed through on connecting hole 29, and the two ends of rotating shaft are fixed in protecting box 27, so open and protect During protecting cover 28, it will not be also separated with protecting box 27, protection cap 28 is not allowed easy to lose or stolen.

In summary, by above-mentioned technical proposal of the present utility model, good anti-theft effect, good sealing effect.

The utility model is not limited to above-mentioned preferred forms, and anyone can draw under enlightenment of the present utility model Other various forms of products, however, make any change in its shape or structure, it is every that there is same as the present application or phase Approximate technical scheme, all falls within protection domain of the present utility model.

Claims (4)

1. a kind of fire hydrant, including key（1）, valve rod（4）And bonnet（5）, the key（1）Top be provided with outlet pipe （2）, the bonnet（5）It is fixedly installed in the key（1）Top, the valve rod（4）It is arranged in the key（1）It is interior, and institute State valve rod（4）Upper end stretch out the bonnet（5）Top, it is characterised in that the valve rod（4）Upper end provided with can move up and down Slip lid（6）, the slip lid（6）With the valve rod（4）Key is connected, the slip lid（6）It is sheathed on swivelling cover（7）Inner chamber in, institute State and post holes is provided with inner chamber（10）, the slip lid（6）It is provided with and the post holes（10）Corresponding cylinder（11）, the slip lid （6）With swivelling cover（7）Between be provided with stage clip（8）；The swivelling cover（7）Top be provided with polygonal projection, the projection Removably it is connected with swivel head（12）, the swivel head（12）Be internally provided with and the slip lid（6）Corresponding magnet（13）, The swivel head（12）It is fixedly connected on handle（3）On；The key（1）Bottom be disposed with first annular groove（16） With first annular projection（17）, the key（1）Bottom supply line is removably connected with by connection component, it is described to give The second annular protrusion is provided with water lines（18）, the connection component includes two semicircular dismountable connectors （19）, the connector（19）On be provided with and first annular groove（16）Corresponding 3rd annular protrusion and and supply line Corresponding fourth annular is raised, and equal and first annular projection is arranged between the 3rd annular protrusion and fourth annular projection （17）With the second annular protrusion（18）Corresponding second ring-shaped groove（20）, second ring-shaped groove（20）Inwall be provided with Annular sealing strip（21）.

2. a kind of fire hydrant according to claim 1, it is characterised in that the bonnet（5）Top be installed with bolt Upper lid（9）, cover on the bolt（9）It is provided with through hole, the slip lid（6）With swivelling cover（7）It is respectively positioned in the through hole, on the bolt Lid（9）Top be higher than the swivelling cover（7）Top.

3. a kind of fire hydrant according to claim 2, it is characterised in that the swivel head（12）Blind hole is inside provided with, institute State and movable block moving up and down is arranged with blind hole（14）, the movable block（14）Spring is provided between blind hole（15）, The magnet（13）It is fixedly connected on the movable block（14）On.

4. a kind of fire hydrant according to claim 3, it is characterised in that the valve rod（4）Lower end be fixedly connected with valve Door closure（22）, the valve cover（22）Bottom be provided with pad（23）, the pad（23）Lower section be provided with and feed pipe The valve seat that road is connected（25）, the pad（23）With the valve seat（25）Between be additionally provided with a rubber packing （24）, the rubber packing（24）Axial section in convex shape, the rubber packing（24）Lower end insertion valve seat（25）'s Seat mouth, the rubber packing（24）The diameter of lower end and the valve seat（25）The size matching of seat mouth bore, and the rubber Glue is padded（24）Annular top surface on be also coaxially set and have annular groove（26）.