阅读说明：本技术 一种地上消防栓防漏结构及方法 (Anti-embolism and leakage-proof structure and method for ground fire hydrant ) 是由 尤志伟 谢志伟 庄彬洪 陈永文 李海林 于 2020-08-24 设计创作，主要内容包括：本发明公开了一种地上消防栓防漏结构及方法,所述地上消防栓防漏结构包括相互连通的消防栓本体和地下输水管,所述地下输水管设置为方管,所述地下输水管的中部固定连接有安装座,所述安装座的底部开设有垂直延伸的滑槽,并且所述滑槽贯通所述地下输水管,所述地下输水管的底部开设有与所述滑槽相对应的插槽,所述滑槽中滑动设置有永磁体板,所述永磁体板的面积大于所述地下输水管的导通面积,所述安装座的顶部开设有与所述滑槽相对应的插孔,所述安装座的顶部还固定连接有垂直设置的外套筒,所述外套筒中升降设置有柱形电磁铁。本发明的地上消防栓防漏结构及其防漏方法,防漏效果更好。(The invention discloses an aboveground fire hydrant leakage-proof structure and a method, the aboveground fire hydrant leakage-proof structure comprises a fire hydrant body and an underground water pipe which are mutually communicated, the underground water pipe is arranged to be a square pipe, the middle part of the underground water pipe is fixedly connected with an installation seat, the bottom of the installation seat is provided with a vertically extending chute, the chute penetrates through the underground water pipe, the bottom of the underground water pipe is provided with a slot corresponding to the chute, a permanent magnet plate is arranged in the chute in a sliding mode, the area of the permanent magnet plate is larger than the conduction area of the underground water pipe, the top of the installation seat is provided with a jack corresponding to the chute, the top of the installation seat is also fixedly connected with a vertically arranged outer sleeve, and a cylindrical electromagnet is arranged in the outer sleeve in a lifting mode. The leakage-proof structure and the leakage-proof method of the overground fire hydrant have better leakage-proof effect.)

1. The utility model provides an upper ground fire hydrant leak protection structure, includes fire hydrant body (1) and secret raceway (2) that communicate each other, its characterized in that: the underground water delivery pipe (2) is a square pipe, the middle part of the underground water delivery pipe (2) is fixedly connected with an installation seat (9), the bottom of the installation seat (9) is provided with a sliding groove (5) which extends vertically, the sliding groove (5) penetrates through the underground water conveying pipe (2), the bottom of the underground water conveying pipe (2) is provided with a slot (4) corresponding to the sliding groove (5), a permanent magnet plate (8) is arranged in the sliding groove (5) in a sliding manner, the area of the permanent magnet plate (8) is larger than the conduction area of the underground water conveying pipe (2), the top of the mounting seat (9) is provided with a jack (10) corresponding to the sliding chute (5), the top of the mounting seat (9) is also fixedly connected with an outer sleeve (11) which is vertically arranged, and a cylindrical electromagnet (12) is arranged in the outer sleeve (11) in a lifting way; the bottom of the underground water pipe (2) is fixedly connected with a reinforcing block (3), and the reinforcing block (3) is correspondingly arranged on the outer side of the slot (4); the fire hydrant is characterized in that a first through hole (6) and a second through hole (7) are formed in the permanent magnet plate (8), the first through hole (6) penetrates through the lower surface of the permanent magnet plate (8) and one side surface close to the fire hydrant body (1), the second through hole (7) is communicated with the first through hole (6), and the second through hole (7) penetrates through the upper surface of the permanent magnet plate (8); the upper end of outer sleeve (11) is sealed through closing plate (18), screw rod (14) are worn to be equipped with in the middle part of closing plate (18), the cooperation cover is equipped with sliding block (15) on screw rod (14), a plurality of limiting plate (16) of sliding block (15) fixedly connected with, set up a plurality of spacing groove (17) that extend along length direction on the inner wall of outer sleeve (11), sliding setting is in limiting plate (16) one-to-one in spacing groove (17), sliding block (15) with cylindricality electro-magnet (12) fixed connection.

2. The above-ground hydrant leak-proof structure according to claim 1, wherein: sliding block (15) fixedly connected with inner skleeve (13), screw rod (14) stretch into in inner skleeve (13), cylindricality electro-magnet (12) with inner skleeve (13) fixed connection.

3. The above-ground hydrant leak-proof structure according to claim 1, wherein: the screw rod (14) is located one end fixedly connected with carousel (19) of outer sleeve (11) outside, carousel (19) fixedly connected with a plurality of handles (20) along the circumferencial direction evenly distributed.

4. The above-ground hydrant leak-proof structure according to claim 3, wherein: the fixed joint (22) that is provided with in carousel (19), joint (22) electric connection has connecting wire (25), offer on carousel (19) and be used for wearing to establish first passageway (23) of connecting wire (25), the middle part of screw rod (14) is offered and is used for wearing to establish second passageway (24) of connecting wire (25), first passageway (23) with second passageway (24) correspond the intercommunication, connecting wire (25) pass behind first passageway (23) and second passageway (24) with cylindricality electro-magnet (12) electric connection.

5. The above-ground hydrant leak-proof structure according to claim 4, wherein: the rotary disc (19) is detachably connected with a protective cover (21) used for protecting the joint (22).

6. The utility model provides an aboveground fire hydrant leak protection method which characterized in that: the anti-leakage structure of the above-ground fire hydrant according to claim 1, wherein the permanent magnet plate (8) is driven to move downwards by the cylindrical electromagnet (12), and the underground water pipe (2) is cut off by the permanent magnet plate (8).

7. The method of claim 6, wherein the method comprises the steps of: the method specifically comprises the following steps:

s1, electrifying the cylindrical electromagnet (12) according to the polarity of the permanent magnet plate (8) so that the magnetism of the lower end of the cylindrical electromagnet (12) is the same as that of the upper end of the permanent magnet plate (8);

s2, driving the cylindrical electromagnet (12) to move downwards, and pushing the permanent magnet plate (8) to move downwards when the cylindrical electromagnet (12) approaches the permanent magnet plate (8);

s3, cutting off the power supply of the cylindrical electromagnet (12) when the permanent magnet plate (8) is inserted into the slot (4).

Technical Field

The invention relates to the field of fire hydrants, in particular to a structure and a method for preventing leakage of an underground hydrant.

Background

A fire hydrant, called fire hydrant formally, is a fixed fire-fighting equipment, and mainly has the functions of controlling combustible substances, isolating combustion-supporting substances and eliminating ignition sources. It is divided into indoor fire hydrant and outdoor fire hydrant. The fire hydrant is mainly used for the fire fighting 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 ground fire hydrant is one kind of outdoor fire hydrant and water supplying facility. The fire-fighting water supply device is used for supplying water to a fire-fighting truck or directly connecting a water hose and a water gun to extinguish fire, and is a special facility for supplying water for fire fighting which is necessary outdoors. The upper part of the fire hydrant is exposed out of the ground, the sign is obvious, the use is convenient, the ground fire hydrant is a fire-fighting equipment necessary for cities, and particularly, the fire hydrant is required to be installed in regions with less urban areas and riverways so as to ensure the requirement of fire-fighting water supply. And the installation is required in areas with dense population, such as factories, mines, warehouses, docks, goods yards, high-rise buildings, public places and the like.

The structure of the above-ground fire hydrant in the prior art is roughly shown in fig. 1, and comprises a fire hydrant body 1 and an underground water conveying pipe 2. Be provided with a plurality of valves on fire hydrant body 1, leak easily to appear after long-term the use, in order to avoid leaking, prior art adopts the mode that increases the sealing washer more, and the effect is limited, and is easy ageing to can't prevent to leak when fire hydrant body 1 receives the striking and impaired time.

Disclosure of Invention

In order to solve the defects in the prior art, the invention aims to provide a ground upper fire hydrant leakage-proof structure and a ground upper fire hydrant leakage-proof method, which have better leakage-proof effect.

In order to achieve the purpose, the invention adopts the specific scheme that:

the utility model provides an upper ground fire hydrant leak protection structure, includes fire hydrant body and the underground raceway that communicates each other, the underground raceway sets up to square pipe, the middle part fixedly connected with mount pad of underground raceway, the spout of perpendicular extension is seted up to the bottom of mount pad, and the spout link up the underground raceway, the bottom of underground raceway seted up with the corresponding slot of spout, slide in the spout and be provided with the permanent magnet board, the area of permanent magnet board is greater than the area that switches on of underground raceway, the top of mount pad seted up with the jack that the spout is corresponding, the top of mount pad is still fixedly connected with the outer sleeve that sets up perpendicularly, go up and down in the outer sleeve and be provided with the cylindricality electro-magnet.

Preferably, the bottom of the underground water pipe is fixedly connected with a reinforcing block, and the reinforcing block is correspondingly arranged on the outer side of the slot.

Preferably, the permanent magnet plate is provided with a first through hole and a second through hole, the first through hole penetrates through the lower surface of the permanent magnet plate and one side surface close to the fire hydrant body, the second through hole is communicated with the first through hole, and the second through hole penetrates through the upper surface of the permanent magnet plate.

Preferably, the upper end of outer sleeve seals through the closing plate, the screw rod is worn to be equipped with in the middle part of closing plate, the cooperation cover is equipped with the sliding block on the screw rod, a plurality of limiting plates of sliding block fixedly connected with, set up a plurality of spacing grooves that extend along length direction on the inner wall of outer sleeve, the limiting plate slides the setting with one-to-one in the spacing groove, the sliding block with cylindricality electro-magnet fixed connection.

Preferably, the sliding block is fixedly connected with an inner sleeve, the screw rod extends into the inner sleeve, and the cylindrical electromagnet is fixedly connected with the inner sleeve.

Preferably, one end of the screw rod, which is positioned outside the outer sleeve, is fixedly connected with a rotating disc, and the rotating disc is fixedly connected with a plurality of handles which are uniformly distributed along the circumferential direction.

Preferably, a joint is fixedly arranged in the rotary table, the joint is electrically connected with a connecting wire, a first channel used for penetrating the connecting wire is arranged on the rotary table, a second channel used for penetrating the connecting wire is arranged in the middle of the screw rod, the first channel is correspondingly communicated with the second channel, and the connecting wire is electrically connected with the cylindrical electromagnet after penetrating through the first channel and the second channel.

Preferably, the turntable is detachably connected with a protective cover for protecting the joint.

The invention also provides a method for preventing the fire hydrant from leaking on the ground, the leakage-preventing structure of the fire hydrant on the ground is adopted, the permanent magnet plate is driven to move downwards by the cylindrical electromagnet, and the underground water delivery pipe is cut off by the permanent magnet plate.

Preferably, the leakage prevention method specifically comprises the following steps:

s1, electrifying the cylindrical electromagnet according to the polarity of the permanent magnet plate, so that the magnetism of the lower end of the cylindrical electromagnet is the same as that of the upper end of the permanent magnet plate;

s2, driving the cylindrical electromagnet to move downwards, and pushing the permanent magnet plate to move downwards when the cylindrical electromagnet is close to the permanent magnet plate;

and S3, cutting off the power supply of the cylindrical electromagnet when the permanent magnet plate is inserted into the slot.

Compared with the leakage-proof mode of adding the sealing ring in the prior art, the leakage-proof device realizes leakage prevention by cutting off the underground water delivery pipe, has single operation position and good leakage-proof effect, cannot fail due to service life aging, and can avoid water leakage caused by damage after being impacted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram of a prior art above-ground fire hydrant.

Fig. 2 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic view of the arrangement of the first and second passages.

Reference numerals: 1-a fire hydrant body, 2-an underground water pipe, 3-a reinforcing block, 4-a slot, 5-a sliding groove, 6-a first through hole, 7-a second through hole, 8-a permanent magnet plate, 9-a mounting seat, 10-a jack, 11-an outer sleeve, 12-a cylindrical electromagnet, 13-an inner sleeve, 14-a screw rod, 15-a sliding block, 16-a limiting plate, 17-a limiting groove, 18-a closing plate, 19-a rotating disc, 20-a handle, 21-a protective cover, 22-a joint, 23-a first channel, 24-a second channel and 25-a connecting line.

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 to 4, fig. 1 is a schematic structural view of a conventional above-ground fire hydrant, fig. 2 is a schematic overall structural view of an embodiment of the present invention, fig. 3 is an enlarged view of a portion a of fig. 2, and fig. 4 is a schematic arrangement view of a first passage and a second passage.

The utility model provides an upper ground fire hydrant leak protection structure, including fire hydrant body 1 and the underground raceway 2 that communicates each other, underground raceway 2 sets up to square pipe, the middle part fixedly connected with mount pad 9 of underground raceway 2, spout 5 of perpendicular extension is seted up to the bottom of mount pad 9, and spout 5 link up underground raceway 2, slot 4 corresponding with spout 5 is seted up to the bottom of underground raceway 2, it is provided with permanent magnet plate 8 to slide in the spout 5, permanent magnet plate 8's area is greater than underground raceway 2's area of conducting, jack 10 corresponding with spout 5 is seted up at the top of mount pad 9, the outer sleeve 11 of the perpendicular setting of fixedly connected with is still gone back at the top of mount pad 9, it is provided with cylindricality electro-magnet 12 to go up and down in the outer sleeve 11.

When the fire hydrant is used, the permanent magnet plate 8 is attracted or repelled by the cylindrical electromagnet 12, so that the permanent magnet plate 8 is controlled to move upwards or downwards, when the permanent magnet plate 8 moves downwards and is inserted into the slot 4, the underground water conveying pipe 2 is cut off by the permanent magnet plate 8, so that water flow in the fire hydrant body 1 is cut off, on one hand, water leakage at positions such as a valve or a connecting flange in the fire hydrant body 1 can be avoided, and on the other hand, water leakage caused by damage of the fire hydrant body 1 due to vehicle impact can also be avoided. When the fire hydrant on ground needs to be used, the permanent magnet plate 8 can be lifted upwards, so that the permanent magnet plate 8 enters the sliding groove 5 formed in the mounting seat 9, the underground water pipe 2 is conducted, and the fire hydrant on ground can be normally put into use.

Compared with the leakage-proof mode of adding the sealing ring in the prior art, the leakage-proof device realizes leakage prevention by cutting off the underground water delivery pipe 2, has a single operation position and good leakage-proof effect, cannot lose effectiveness due to service life aging, and can avoid water leakage due to damage after being impacted.

Further, the bottom fixedly connected with reinforcing block 3 of underground raceway 2, reinforcing block 3 corresponds the setting in the outside of slot 4. Because the bottom of the underground water pipe 2 is provided with the slot 4 corresponding to the sliding groove 5, the thickness of the underground water pipe 2 at the position of the slot 4 is thinned and is easy to damage, and the reinforcing block 3 is added for reinforcing the pipe wall of the underground water pipe 2 so as to avoid the deformation of the underground water pipe 2.

Further, first through-hole 6 and second through-hole 7 have been seted up on the permanent magnet board 8, and first through-hole 6 link up the lower surface of permanent magnet board 8 and a side that is close to fire hydrant body 1, and second through-hole 7 is linked together with first through-hole 6 to second through-hole 7 link up the upper surface of permanent magnet board 8. When there is rivers in the underground raceway 2, also can have a certain amount of water in the slot 4, want to make permanent magnet board 8 can seal underground raceway 2 totally, need make the interior wall of permanent magnet board 8 and slot 4 closely laminate, this just leads to permanent magnet board 8 to be difficult to smoothly enter into slot 4, consequently set up first through-hole 6 and second through-hole 7, first through-hole 6 is arranged in discharging the water in slot 4 when permanent magnet board 8 enters into slot 4, it is similar, second through-hole 7 is arranged in discharging the water in the spout 5 when the spout 5 is withdrawed to permanent magnet board 8.

Further, the upper end of the outer sleeve 11 is sealed through a sealing plate 18, a screw 14 penetrates through the middle of the sealing plate 18, a sliding block 15 is sleeved on the screw 14 in a matched mode, the sliding block 15 is fixedly connected with a plurality of limiting plates 16, a plurality of limiting grooves 17 extending in the length direction are formed in the inner wall of the outer sleeve 11, the limiting plates 16 are arranged in the limiting grooves 17 in a one-to-one sliding mode, and the sliding block 15 is fixedly connected with the cylindrical electromagnet 12. When the position of the permanent magnet plate 8 needs to be adjusted, power is firstly supplied to the cylindrical electromagnet 12, then the sliding block 15 is driven to move by rotating the screw 14, and under the action of the two limiting plates 16, the sliding block 15 does not rotate, but slides along the outer sleeve 11 until the cylindrical electromagnet 12 is close to the permanent magnet plate 8 to drive the permanent magnet plate 8 to move.

Further, the specific connection mode of the cylindrical electromagnet 12 and the sliding block 15 is as follows: the sliding block 15 is fixedly connected with an inner sleeve 13, the screw 14 extends into the inner sleeve 13, and the cylindrical electromagnet 12 is fixedly connected with the inner sleeve 13.

Further, a rotating disc 19 is fixedly connected to one end of the screw 14 located outside the outer sleeve 11, and a plurality of handles 20 uniformly distributed along the circumferential direction are fixedly connected to the rotating disc 19. The dial 19 is provided to facilitate turning of the screw 14, and the handle 20 is provided to facilitate turning of the dial 19.

Further, the power supply to the cylindrical electromagnet 12 is as follows: the connector 22 is fixedly arranged in the rotary table 19, the connector 22 is electrically connected with a connecting wire 25, a first channel 23 used for penetrating the connecting wire 25 is arranged on the rotary table 19, a second channel 24 used for penetrating the connecting wire 25 is arranged in the middle of the screw 14, the first channel 23 is correspondingly communicated with the second channel 24, and the connecting wire 25 is electrically connected with the cylindrical electromagnet 12 after penetrating through the first channel 23 and the second channel 24.

Further, a protective cover 21 for protecting the joint 22 is detachably attached to the turntable 19.

In a specific embodiment of the invention, an anti-leakage structure for an underground hydrant comprises a hydrant body 1 and an underground water pipe 2 which are mutually communicated, wherein the underground water pipe 2 is a square pipe, the middle part of the underground water pipe 2 is fixedly connected with an installation seat 9, the bottom of the installation seat 9 is provided with a vertically extending chute 5, the chute 5 penetrates through the underground water pipe 2, the bottom of the underground water pipe 2 is provided with a slot 4 corresponding to the chute 5, a permanent magnet plate 8 is arranged in the chute 5 in a sliding manner, the area of the permanent magnet plate 8 is larger than the conduction area of the underground water pipe 2, the permanent magnet plate 8 is provided with a first through hole 6 and a second through hole 7, the first through hole 6 penetrates through the lower surface of the permanent magnet plate 8 and one side surface close to the hydrant body 1, the second through hole 7 is communicated with the first through hole 6, and the second through hole 7 penetrates through the upper surface of the permanent magnet plate 8, the top of the mounting seat 9 is provided with a jack 10 corresponding to the sliding groove 5, the top of the mounting seat 9 is also fixedly connected with an outer sleeve 11 which is vertically arranged, a cylindrical electromagnet 12 is arranged in the outer sleeve 11 in a lifting way, the upper end of the outer sleeve 11 is sealed by a sealing plate 18, the middle part of the sealing plate 18 is penetrated with a screw 14, one end of the screw 14 which is positioned outside the outer sleeve 11 is fixedly connected with a turntable 19, the turntable 19 is fixedly connected with a plurality of handles 20 which are uniformly distributed along the circumferential direction, the screw 14 is sleeved with a sliding block 15 in a matching way, the sliding block 15 is fixedly connected with a plurality of limiting plates 16, the inner wall of the outer sleeve 11 is provided with a plurality of limiting grooves 17 which extend along the length direction, the limiting plates 16 are arranged in the limiting grooves 17 in a one-to-one sliding way, the sliding block 15 is fixedly connected with an inner sleeve 13, the screw 14 extends into the inner sleeve 13, and the cylindrical electromagnet 12 is fixedly connected with the inner sleeve 13, a joint 22 is fixedly arranged in the rotary table 19, the joint 22 is electrically connected with a connecting wire 25, a first channel 23 for the connecting wire 25 to penetrate through is arranged on the rotary table 19, a second channel 24 for the connecting wire 25 to penetrate through is arranged in the middle of the screw 14, the first channel 23 is correspondingly communicated with the second channel 24, the connecting wire 25 penetrates through the first channel 23 and the second channel 24 and then is electrically connected with the cylindrical electromagnet 12, and the rotary table 19 is detachably connected with a protective cover 21 for protecting the joint 22; the bottom fixedly connected with reinforcing block 3 of underground raceway 2, reinforcing block 3 corresponds the setting in the outside of slot 4.

When using, utilize cylindricality electro-magnet 12 to attract or repel permanent magnet board 8 to control permanent magnet board 8 upwards or move down, when permanent magnet board 8 moves down and inserts in slot 4, permanent magnet board 8 cuts secret raceway 2, thereby cuts the rivers in fire hydrant body 1, can avoid on the one hand valve or flange etc. position in fire hydrant body 1 to leak, and on the other hand also can avoid fire hydrant body 1 because receive the vehicle striking impaired and leak. When the fire hydrant on ground needs to be used, the permanent magnet plate 8 can be lifted upwards, so that the permanent magnet plate 8 enters the sliding groove 5 formed in the mounting seat 9, the underground water pipe 2 is conducted, and the fire hydrant on ground can be normally put into use.

Based on the above ground fire hydrant, the invention also provides a leakage-proof method for the ground fire hydrant, the leakage-proof structure for the ground fire hydrant is adopted, the permanent magnet plate 8 is driven to move downwards by the cylindrical electromagnet 12, and the underground water conveying pipe 2 is cut off by the permanent magnet plate 8.

The leakage preventing method specifically includes the following steps S1 to S3.

S1, the cylindrical electromagnet 12 is energized according to the polarity of the permanent magnet plate 8 so that the magnetism of the lower end of the cylindrical electromagnet 12 is the same as the magnetism of the upper end of the permanent magnet plate 8.

And S2, driving the cylindrical electromagnet 12 to move downwards, and pushing the permanent magnet plate 8 to move downwards when the cylindrical electromagnet 12 is close to the permanent magnet plate 8.

S3, cutting off the power supply to the cylindrical electromagnet 12 when the permanent magnet plate 8 is inserted into the slot 4.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.