阅读说明：本技术 一种分离式地面消防栓 (Disconnect-type ground fire hydrant ) 是由 梁可儿 于 2021-07-28 设计创作，主要内容包括：本发明涉及消防设备技术领域,且公开了一种分离式地面消防栓,包括主体,所述主体的底部固定连接有连接管,所述主体上端的中部螺纹连接有旋转轮,所述旋转轮上端的内部开设有限位腔,所述限位腔的中部活动套接有轮把。通过顶杆、阀芯、阀芯底座的设置,由于顶杆以及套筒并不与阀芯接触,两者处于断开状态,这就导致当消防栓被撞时,尽管地面的主体结构受损,甚至主体或者阀杆折断、弯曲,都不会对阀芯造成影响,不会对阀芯有一个拉扯的力,而且阀芯始终能够通过自身的水压以及浮板的浮力,对活动块起到支撑作用,始终确保阀芯不会与阀芯底座分离,确保消防管道不会出现泄漏、喷水的情况,避免水资源的浪费,便于维修。(The invention relates to the technical field of fire fighting equipment and discloses a separated ground fire hydrant, which comprises a main body, wherein the bottom of the main body is fixedly connected with a connecting pipe, the middle part of the upper end of the main body is in threaded connection with a rotating wheel, a limiting cavity is formed in the upper end of the rotating wheel, and the middle part of the limiting cavity is movably sleeved with a handle. Through the ejector pin, the case, the setting of case base, because ejector pin and sleeve do not contact with the case, both are in the off-state, this just leads to when the fire hydrant is hit, although the major structure on ground is impaired, main part or valve rod rupture even, crooked, can not lead to the fact the influence to the case, can not have a power of dragging to the case, and the case can be through the water pressure of self and the buoyancy of kickboard all the time, play the supporting role to the movable block, ensure the case can not separate with the case base throughout, ensure that the fire control pipeline can not appear leaking, the condition of water spray, avoid the waste of water resource, be convenient for maintain.)

1. The utility model provides a disconnect-type ground fire hydrant, includes main part (1), the bottom fixedly connected with connecting pipe (2) of main part (1), the middle part threaded connection of main part (1) upper end has swiveling wheel (3), its characterized in that: a limiting cavity (4) is formed in the upper end of the rotating wheel (3), a wheel handle (5) is movably sleeved in the middle of the limiting cavity (4), an ejector rod (6) is fixedly connected to the bottom of the wheel handle (5), a sleeve (7) is fixedly connected to the outer side of the middle of the bottom end of the rotating wheel (3), a valve core base (8) is fixed to the middle of the inner wall of the connecting pipe (2), a groove (9) is formed in the inner side of the valve core base (8), a valve core (10) is movably sleeved in the middle of the valve core base (8), a top block (11) is movably sleeved in the middle of the bottom end of the valve core (10), a floating plate (12) is fixedly connected to the bottom of the top block (11), a movable cavity (13) formed in the valve core (10) is arranged above the top block (11), a plurality of groups of support rods (14) which are arranged in an equal circumference are movably sleeved on the side face of the movable cavity (13), the movable valve is characterized in that one end of the support rod (14) close to the movable cavity (13) is fixedly connected with a movable block (15), the other end of the support rod (14) is fixedly connected with a limiting block (16), and one end of the limiting block (16) is fixedly connected with a return spring (17) of which the other end is fixedly connected with the valve core (10).

2. A split ground fire hydrant according to claim 1 in which: the bottom fixedly connected with other end of wheel handle (5) and supporting spring (18) that swiveling wheel (3) activity cup jointed, spacing groove (19) have all been seted up to the both sides in spacing chamber (4), the equal fixedly connected with in both sides of wheel handle (5) bottom and fixture block (20) that spacing groove (19) activity cup jointed, the bottom of spacing groove (19) is provided with draw-in groove (21).

3. A split ground fire hydrant according to claim 1 in which: the ejector rod (6) is composed of an upper half cylinder and a lower half quadrangular prism, and a through hole matched with the bottom of the ejector rod (6) is formed in the middle of the upper end of the valve core (10).

4. A split ground fire hydrant according to claim 1 in which: the inner side of one end of the movable block (15) facing the top block (11) is provided with an inclined opening slope.

5. A split ground fire hydrant according to claim 1 in which: when the return spring (17) is in an initial state, the limiting block (16) is in a non-extending state.

6. A split ground fire hydrant according to claim 1 in which: the limiting groove (19) is in an upward L shape.

Technical Field

The invention relates to the technical field of fire fighting equipment, in particular to a separated ground fire hydrant.

Background

A fire hydrant, generally called fire hydrant, is a fixed fire-fighting device and mainly has the functions of controlling combustible substances, isolating combustion-supporting substances and eliminating an ignition source. The fire hydrant is generally divided into an overground fire hydrant and an underground fire hydrant, the common fire hydrant of people is generally the fire hydrant installed on the ground, the fire hydrant is mainly used for a fire truck to take water from a municipal water supply network or an outdoor fire-fighting water supply network to put out a fire, and can also be directly connected with a water hose and a water gun to discharge water to put out a fire, the handle needs to be rotated anticlockwise during working, a valve core at the bottom of the fire hydrant is opened, then water in a fire fighting pipeline is pumped out under the action of self water pressure, and the fire is put out through equipment such as the water hose.

However, the existing integrated fire hydrant has the following defects in the actual use process; firstly, because the fire hydrant must be in a sealed state for a long time, the waterproof sealing washer on the valve core at the bottom of the fire hydrant is in a compressed state for a long time, even is adhered to the wall of the water outlet, while the existing water pump adapter needs to rotate the rotating hand wheel to lift the water pump adapter when being opened, the sealing washer on the valve core can rotate along with the water pump adapter in the process, the compressed sealing washer can generate serious rotating friction with the wall of the water outlet, the sealing washer is seriously abraded, the secondary sealing is easily and adversely affected, and the reason that the water outlet of the fire hydrant drips is common; secondly, in order to when taking place the conflagration, the fire fighter can in time operate, generally installs the fire hydrant beside roadside and building, and this just leads to the ground fire hydrant to have the risk of being hit, and in case the fire hydrant is hit, valve rod wherein very easily drives the case and breaks away from the disk seat, causes the inside water of fire-fighting pipeline to spout in a large number and gushes out, not only can seriously cause the waste of water resource, and the maintenance is difficult moreover.

Disclosure of Invention

Aiming at the defects of the background technology, the invention provides the separated ground fire hydrant, which has the advantages of protecting the sealing gasket and avoiding water leakage and water spraying when collision occurs, and solves the problems in the background technology.

The invention provides the following technical scheme: a separating ground fire hydrant comprises a main body, wherein a connecting pipe is fixedly connected to the bottom of the main body, a rotating wheel is in threaded connection with the middle of the upper end of the main body, a limiting cavity is formed in the upper end of the rotating wheel, a wheel handle is movably sleeved at the middle of the limiting cavity, a top rod is fixedly connected to the bottom of the wheel handle, a sleeve is fixedly connected to the outer side of the middle of the bottom end of the rotating wheel, a valve element base is fixed to the middle of the inner wall of the connecting pipe, a groove is formed in the inner side of the valve element base, a valve element is movably sleeved at the middle of the valve element base, a top block is movably sleeved at the middle of the bottom end of the valve element, a floating plate is fixedly connected to the bottom of the top block, a movable cavity formed in the inner side of the valve element is movably sleeved with a plurality of groups of support rods which are arranged in a uniform circumference, and one end of each support rod, which is close to the movable cavity, is fixedly connected with a movable block, the other end fixedly connected with stopper of bracing piece, the one end fixedly connected with other end and case fixed connection's reset spring of stopper.

Preferably, the bottom of the wheel handle is fixedly connected with a supporting spring of which the other end is movably sleeved with the rotating wheel, two sides of the limiting cavity are both provided with limiting grooves, two sides of the bottom of the wheel handle are fixedly connected with clamping blocks movably sleeved with the limiting grooves, and the bottoms of the limiting grooves are provided with clamping grooves.

Preferably, the ejector rod consists of an upper half cylinder and a lower half quadrangular prism, and a through hole matched with the bottom of the ejector rod is formed in the middle of the upper end of the valve core.

Preferably, the inner side of one end of the movable block facing the top block is provided with an inclined slope surface.

Preferably, when the return spring is in an initial state, the limiting block is not in an extending state.

Preferably, the limiting groove is in an upward L shape.

The invention has the following beneficial effects:

1. through the ejector pin, the case, telescopic setting, when needs use this fire hydrant, press the pinch roller handle downwards, until fixture block and spacing groove contact, then the swiveling wheel makes the fixture block card at spacing inslot portion, the ejector pin will press down the decline in-process and extrude the kicking block downstream gradually simultaneously, the movable block loses the support of kicking block this moment, make the bracing piece retract under reset spring's elastic force effect, it breaks away from the recess to drive the stopper, the case is after the restriction that loses the stopper, rebound under connecting pipe bottom hydraulic effect, until with sleeve contact, can make the sealing rubber pad of case break away from with the case base rapidly, cause sealing rubber and case base to take place the running friction when avoiding rotatory open valve, reduce sealing rubber's wearing and tearing, then rotatory swiveling wheel, can open the water valve, realize not damaging sealed the pad when quick water supply.

2. Through the ejector pin, the case, the setting of case base, because ejector pin and sleeve do not contact with the case, both are in the off-state, this just leads to when the fire hydrant is hit, although the major structure on ground is impaired, main part or valve rod rupture even, crooked, can not lead to the fact the influence to the case, can not have a power of dragging to the case, and the case can be through the water pressure of self and the buoyancy of kickboard all the time, play the supporting role to the movable block, ensure the case can not separate with the case base throughout, ensure that the fire control pipeline can not appear leaking, the condition of water spray, avoid the waste of water resource, be convenient for maintain.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure A of the present invention;

FIG. 3 is an enlarged view of the structure B of the present invention;

fig. 4 is a schematic view of the interior of the valve core according to the structure of the invention.

In the figure: 1. a main body; 2. a connecting pipe; 3. a rotating wheel; 4. a limiting cavity; 5. a wheel handle; 6. a top rod; 7. a sleeve; 8. a valve core base; 9. a groove; 10. a valve core; 11. a top block; 12. a floating plate; 13. a movable cavity; 14. a support bar; 15. a movable block; 16. a limiting block; 17. a return spring; 18. a support spring; 19. a limiting groove; 20. a clamping block; 21. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a separated ground fire hydrant includes a main body 1, a connecting pipe 2 is fixedly connected to the bottom of the main body 1, a rotating wheel 3 is screwed to the middle of the upper end of the main body 1, a limiting cavity 4 is formed in the upper end of the rotating wheel 3, a handle 5 is movably sleeved in the middle of the limiting cavity 4, a top rod 6 is fixedly connected to the bottom of the handle 5, a sleeve 7 is fixedly connected to the outer side of the middle of the bottom end of the rotating wheel 3, a valve core base 8 is fixed to the middle of the inner wall of the connecting pipe 2, a groove 9 is formed in the inner side of the valve core base 8, a valve core 10 is movably sleeved in the middle of the valve core base 8, a top block 11 is movably sleeved in the middle of the bottom end of the valve core 10, a floating plate 12 is fixedly connected to the bottom of the top block 11, a movable cavity 13 formed in the valve core 10 is disposed above the top block 11, a plurality of sets of support rods 14 arranged in the same circumference are movably sleeved on the side of the movable cavity 13, the bracing piece 14 is close to the one end fixedly connected with movable block 15 of activity chamber 13, the bevel connection is domatic has been seted up towards the inboard of kicking block 11 one end to movable block 15, the other end fixedly connected with stopper 16 of bracing piece 14, the one end fixedly connected with other end and case 10 fixed connection's reset spring 17 of stopper 16, the supporting spring 18 that the bottom fixedly connected with other end and the swiveling wheel 3 activity of wheel handle 5 cup jointed, spacing groove 19 has all been seted up to the both sides of spacing chamber 4, the equal fixedly connected with in both sides of wheel handle 5 bottom and the fixture block 20 that 19 activities of spacing groove cup jointed, the bottom of spacing groove 19 is provided with draw-in groove 21.

Wherein, ejector pin 6 comprises half cylinder and the latter half quadrangular prism, the through hole with 6 bottom looks adaptations of ejector pin is seted up at the middle part of case 10 upper end, setting through ejector pin 6, because ejector pin 6 and sleeve 7 do not contact with case 10, both are in the off-state, this just leads to when the fire hydrant is hit, the main part 1 structure on ground is impaired, even main part 1 or valve rod rupture, crooked, can not lead to the fact the influence to case 10, and case 10 can pass through the water pressure of self and the buoyancy of kickboard 12 all the time, play the supporting role to movable block 15, ensure that case 10 can not separate with case base 8 all the time, ensure that the fire control pipeline can not appear leaking, the condition of water spray, avoid the waste of water resource, be convenient for maintain.

Wherein, reset spring 17 is when initial condition, and stopper 16 is in not stretching out the state, ensures to move down at kicking block 11 and opens the fire hydrant time, and reset spring 17 can withdraw stopper 16, ensures that case 10 can normally open.

The upward L-shaped limiting groove 19 can fix the wheel handle 5 through the limiting groove 19, the ejector rod 6 can be always in a state of ejecting the ejector block 11 after the valve core 10 is opened and when the valve core 10 is closed, the situation that the valve core 10 cannot be closed due to the fact that the ejector block 11 is in a state of ejecting the movable block 15 under a water pressure state when the valve core 10 is closed is avoided, and the valve core 10 can be closed smoothly.

The working principle is that when the fire hydrant needs to be used, firstly, the pressing wheel handle 5 is pressed downwards until the clamping block 20 is contacted with the limiting groove 19, then the rotating wheel handle 5 enables the clamping block 20 to be clamped inside the limiting groove 19, meanwhile, the ejector rod 6 gradually extrudes the ejector block 11 to move downwards in the pressing and descending process, at the moment, the movable block 15 loses the support of the ejector block 11, so that the supporting rod 14 retracts under the elastic action of the reset spring 17 to drive the limiting block 16 to be separated from the groove 9, the valve core 10 moves upwards under the action of water pressure at the bottom of the connecting pipe 2 after losing the limitation of the limiting block 16 until being contacted with the sleeve 7, the sealing rubber gasket of the valve core 10 can be rapidly separated from the valve core base 8, the rotating friction between the sealing rubber and the valve core base 8 when the valve is opened in a rotating mode is avoided, the abrasion of the sealing rubber is reduced, then the rotating wheel 3 is rotated to enable the whole valve core 10 to move upwards along with the rotating wheel 3, the water valve can be opened to supply water for rescue;

after using, only need reverse rotation swiveling wheel 3, make case 10 descend to the height of movable block 15 and recess 9 looks adaptation, the swiveling wheel 5 makes the fixture block break away from draw-in groove 21 again, under supporting spring 18's elasticity automatic rising can, the kicking block 11 will be floated naturally under the buoyancy of kicking plate 12 and the inside water pressure effect of connecting pipe 2 this moment, promote movable block 15 to stopper 16 reentrant recess 9 and can accomplish the work of ending of fire hydrant.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.