A kind of Safety manhole cover of automatic drainage
Technical field
The present invention relates to underground water transportation art, particularly relate to a kind of Safety manhole cover of automatic drainage.
Background technology
The prosperity very of current urban Underground pipeline; there are some underground pipelines will bear the conveying of underground water or the laying of other cable; and the exit of pipeline can arrange well lid usually; well lid generally can possess the dual-use function of protection hole and sluicing simultaneously; and current well lid generally adopts and manually carries out opening and closing; at ordinary times or keep normally closed; keep often opening; like this; cause huge potential safety hazard; can cause impeded drainage, therefore, how solving this problem is the problem that these those skilled in the art are thinking deeply always.
Summary of the invention
The object of the invention is to: overcome the above-mentioned problems in the prior art, a kind of Safety manhole cover of automatic drainage is proposed, automatic opening and closing can be carried out according to the number of bleeder quantity, and can not impact the integrality of well lid when closing, it is a kind of very safe well lid, and possess multiple anti-pollution function and anti-inefficacy setting, thus make well lid can realize non-maintaining effect.
Object of the present invention is realized by following technical proposals: a kind of Safety manhole cover of automatic drainage, comprise: upper cover and manhole cover body, described upper cover covers in manhole cover body, described upper lid surface has some water seepage holes and water hole, described water hole place is provided with top cover, described top cover is located on movable plate, be provided with between described top cover and movable plate and hold out against spring, described movable plate is arranged on margin plate and central plate, described margin plate is fixedly connected with upper cover with central plate, horizontal direction between described movable plate and margin plate is provided with crossed strip, piston is provided with between described movable plate, described piston lower portion is provided with piston rod, described underpart of the piston rod is connected with water tank, described water tank upper is provided with some inlet openings, opening and closing spring is provided with between described water tank and manhole cover body, described water tank bottom is provided with some spilled water holes, some discharge orifices are provided with bottom described manhole cover body, such setting under normal circumstances water enters water tank from water seepage hole, spilled water hole is provided with in water tank, when the influx of water tank is suitable with discharge, namely when displacement is little, without the need to opening upper cover, when Water in Water Tanks amount is too much, compression opening and closing spring, piston is moved down, now movable plate is under the effect of crossed strip, draw close to centre, drive top cover moves, water hole is opened, thus the discharging capacity of upper cover is increased, thus different sluicing demand can be tackled, when bleeder quantity hour, discharge reduction in water tank, now piston stroking upward, and upper piston area is the setting of band tapering, make not depart from movable plate completely during descent of piston, thus can smoothly movable plate be separated when up, thus make top cover by water hole shutoff, and movable plate at vertical direction for being fixedly installed, thus the intensity of upper cover is strengthened, the effect of bearing downward power is possessed when closing, thus ensure the safe handling of well lid.
The Safety manhole cover of a kind of automatic drainage of the present invention, the junction at described water hole and the top lid center of top cover, the top cover cambered surface of described top cover and the upper cover cambered surface of upper cover can be crossed, realize cambered surface contact, such setting makes two parts resistance when relative sliding minimum, is convenient to open and close water hole smoothly.
The Safety manhole cover of a kind of automatic drainage of the present invention, the bonding surface place of described central plate and movable plate is provided with, limit spring pin, described limit spring pin is positioned at central plate, described movable plate is provided with stopper slot, arranging like this can be carried out effectively spacing to movable plate, and its resistance is unlikely excessive when needs playback.
The Safety manhole cover of a kind of automatic drainage of the present invention, the upper surface of described water tank is water tank cambered surface, like this accumulation that effectively can prevent dust is set, liquid cannot be entered when water tank causes the water yield large also cannot opened water hole, prevents automatic shutter disabler.
The Safety manhole cover of a kind of automatic drainage of the present invention, the bottom surface of described water tank is that convex such the arranging of upper convex surface can make to avoid inner mud to block spilled water hole simultaneously, water in water tank cannot be flowed out, thus cause the water yield little mistiming to be beaten greatly by water hole, cause potential safety hazard.
The Safety manhole cover of a kind of automatic drainage of the present invention, dredging bar is provided with below the spilled water hole of described epirelief Middle face, the diameter of described dredging bar is the 1/3-3/4 of spilled water hole diameter, arranging like this can effectively prevent spilled water hole by shutoff, and size arranges and then unlikelyly in scale removal process, dredging pole pair spilled water hole resulted in blockage.
The Safety manhole cover of a kind of automatic drainage of the present invention, described water hole place is provided with grid, the maximum diagonal of described grid is less than 30mm, such setting makes the intensity of upper cover entirety strengthen, and the impact that the using function of upper lid surface can be made can not to arrange by water hole, and artificial top cover can also be carried out in some cases like this.
The Safety manhole cover of a kind of automatic drainage of the present invention, described spring, opening and closing spring and the crossed strip outside of holding out against is provided with waterproof jacket, and such setting makes strengthen the application life of each spring, and can avoid the impact of mud, cause elastic failure, thus make the disabler of well lid.
The Safety manhole cover of a kind of automatic drainage of the present invention, for being articulated and connected between described upper cover and manhole cover body, such setting makes upper cover and the integrated setting of manhole cover body, thus plays antitheft effect.
According to technique scheme, the invention has the beneficial effects as follows: overcome the above-mentioned problems in the prior art, a kind of Safety manhole cover of automatic drainage is proposed, automatic opening and closing can be carried out according to the number of bleeder quantity, and can not impact the integrality of well lid when closing, be a kind of very safe well lid, and possess multiple anti-pollution function and anti-inefficacy setting, thus make well lid can realize non-maintaining effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the Safety manhole cover of a kind of automatic drainage of the present invention;
Fig. 2 is the top view of the Safety manhole cover of a kind of automatic drainage of the present invention;
Fig. 3 is the birds-eye perspective of the Safety manhole cover of a kind of automatic drainage of the present invention;
Fig. 4 is the A partial enlarged drawing in Fig. 1;
Mark in figure:
1-upper cover, 2-manhole cover body, 3-piston rod, 4-opening and closing spring, 5-dredging bar, 11-margin plate, 12-central plate, 13-movable plate, 14-water seepage hole, 15-water hole, 121-limit spring pin, 131-stopper slot, 132-crossed strip, 133-hold out against spring, 134-top cover, 151-upper cover cambered surface, 1341-top cover cambered surface, 21-discharge orifice, 31-water tank, 32-piston, 311-water tank cambered surface, the upper convex surface of 312-, 3111-inlet opening, 3121-spilled water hole.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the present invention is further illustrated.
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
It is the embodiment of the Safety manhole cover of a kind of automatic drainage of the present invention as Fig. 1-4, as shown in Figure 1, a kind of Safety manhole cover of automatic drainage, comprise: upper cover 1 and manhole cover body 2, described upper cover 1 covers in manhole cover body 2, described upper cover 1 surface has some water seepage holes 14 and water hole 15, described water hole 15 place is provided with top cover 134, described top cover 134 is located on movable plate 13, be provided with between described top cover 134 and movable plate 13 and hold out against spring 133, described movable plate 13 is arranged on margin plate 11 and central plate 12, described margin plate 11 is fixedly connected with upper cover 1 with central plate 12, horizontal direction between described movable plate 13 and margin plate 11 is provided with crossed strip 132, piston 32 is provided with between described movable plate 13, described piston 32 bottom is provided with piston rod 3, described piston rod 3 bottom is connected with water tank 31, described water tank 31 top is provided with some inlet openings 3111, opening and closing spring 4 is provided with between described water tank 31 and manhole cover body 2, some spilled water holes 3121 are provided with bottom described water tank 31, some discharge orifices 21 are provided with bottom described manhole cover body 2, such setting under normal circumstances water enters water tank from water seepage hole, spilled water hole is provided with in water tank, when the influx of water tank is suitable with discharge, namely when displacement is little, without the need to opening upper cover, when Water in Water Tanks amount is too much, compression opening and closing spring, piston is moved down, now movable plate is under the effect of crossed strip, draw close to centre, drive top cover moves, water hole is opened, thus the discharging capacity of upper cover is increased, thus different sluicing demand can be tackled, when bleeder quantity hour, discharge reduction in water tank, now piston stroking upward, and upper piston area is the setting of band tapering, make not depart from movable plate completely during descent of piston, thus can smoothly movable plate be separated when up, thus make top cover by water hole shutoff, and movable plate at vertical direction for being fixedly installed, thus the intensity of upper cover is strengthened, the effect of bearing downward power is possessed when closing, thus ensure the safe handling of well lid, the junction at described water hole 15 and the top lid center of top cover 134, the top cover cambered surface 1341 of described top cover 134 and the upper cover cambered surface 151 of upper cover 1 can be crossed, realize cambered surface contact, such setting makes two parts resistance when relative sliding minimum, be convenient to open and close water hole smoothly, the bonding surface place of described central plate 12 and movable plate 13 is provided with, limit spring pin 121, described limit spring pin 121 is positioned at central plate 12, described movable plate 13 is provided with stopper slot 131, arranging like this can be carried out effectively spacing to movable plate, and its resistance is unlikely excessive when needs playback, the upper surface of described water tank 31 is water tank cambered surface 311, like this accumulation that effectively can prevent dust is set, liquid cannot be entered when water tank causes the water yield large also cannot opened water hole, prevent automatic shutter disabler, the bottom surface of described water tank 31 is convex upper convex surface 312, arranging like this can make to avoid inner mud to block spilled water hole simultaneously, water in water tank cannot be flowed out, thus cause the water yield little mistiming to be beaten by water hole greatly, cause potential safety hazard, dredging bar 5 is provided with below spilled water hole 3121 in the middle part of described upper convex surface 312, the diameter of described dredging bar 5 is the 1/3-3/4 of spilled water hole 3121 diameter, arranging like this can effectively prevent spilled water hole by shutoff, and size arranges and then unlikelyly makes dredging pole pair spilled water hole result in blockage in scale removal process, described water hole 15 place is provided with grid, the maximum diagonal of described grid is less than 30mm, such setting makes the intensity of upper cover entirety strengthen, and the impact that the using function of upper lid surface can be made can not to arrange by water hole, and artificial top cover can also be carried out in some cases like this, describedly hold out against spring 133, opening and closing spring 4 and crossed strip 132 outside are provided with waterproof jacket, such setting makes strengthen the application life of each spring, and the impact of mud can be avoided, cause elastic failure, thus make the disabler of well lid, for being articulated and connected between described upper cover 1 and manhole cover body 2, such setting makes upper cover and the integrated setting of manhole cover body, thus play antitheft effect.
Owing to adopting technique scheme, the invention has the beneficial effects as follows: overcome the above-mentioned problems in the prior art, a kind of Safety manhole cover of automatic drainage is proposed, automatic opening and closing can be carried out according to the number of bleeder quantity, and can not impact the integrality of well lid when closing, be a kind of very safe well lid, and possess multiple anti-pollution function and anti-inefficacy setting, thus make well lid can realize non-maintaining effect.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.