A kind of Safety manhole cover of automatic drainage
Technical field
The present invention relates to underground water transportation art, more particularly to a kind of Safety manhole cover of automatic drainage.
Background technology
Urban Underground pipeline is very flourishing at present, has some underground pipings to undertake the conveying of underground water or other lines
The laying of cable, and the exit of pipeline would generally set well lid, well lid can typically be provided simultaneously with protecting hole and sluice dual
Function, and current well lid is typically used and is manually opened and closed, either usually holding is normally closed, or maintain a normally open, like this,
Huge potential safety hazard is caused, or impeded drainage can be caused, therefore, how to solve the problem is art personnel
The problem of thinking deeply always.
The content of the invention
It is an object of the invention to:Overcome the above-mentioned problems in the prior art, propose a kind of safety of automatic drainage
It inspection well cover, can be automatically opened and closed according to the number of bleeder quantity, and the integrality of well lid will not be caused when closed
Influence, be a kind of very safe well lid, and possess a variety of anti-pollution functions and anti-failure setting, so that well lid can be realized
Non-maintaining effect.
The purpose of the present invention is realized by following technical proposals:A kind of Safety manhole cover of automatic drainage, including:Upper lid
And manhole cover body, it is described it is upper cover in manhole cover body, the upper lid surface has some water seepage holes and water hole, the mistake
Top cover is provided with water hole, the top cover is provided with movable plate, between the top cover and movable plate and holds out against spring, the shifting
Dynamic plate is arranged on margin plate and central plate, and the margin plate and central plate are fixedly connected with upper lid, the movable plate and side
Horizontal direction between listrium is provided with crossed strip, and piston is provided between the movable plate, and the piston lower portion is provided with piston rod,
The underpart of the piston rod is connected with water tank, and the water tank upper is provided with some inlet openings, between the water tank and manhole cover body
Provided with opening and closing spring, the water tank bottom is provided with some spilled water holes, and the manhole cover body bottom is provided with some discharge orifices, such
Water enters in water tank from water seepage hole under normal circumstances for setting, spilled water hole is provided with water tank, when influx and the discharge phase of water tank
When, i.e., when displacement is little, without being covered in opening, when Water in Water Tanks amount is excessive, compression opening and closing spring, move down piston, this
When movable plate in the presence of crossed strip, drawn close to centre, drive top cover motion, open water hole, so that upper lid
Discharging capacity increases, so as to tackle different sluicing demands, when bleeder quantity is small, and the discharge reduction in water tank, now piston
It is up, and to be band taper set upper piston area, makes not completely disengaging movable plate during descent of piston, so as to can be smooth when up
Movable plate is separated, so that top cover blocks water hole, and movable plate is fixed setting in vertical direction, so that upper lid
Intensity strengthened, possess the effect for bearing downward power when closed, so as to ensure the safe handling of well lid.
A kind of Safety manhole cover of automatic drainage of the present invention, the junction at the top lid center of water hole and top cover,
By the top cover cambered surface of the top cover and the upper lid cambered surface of upper lid, realize that cambered surface contacts, such setting makes two parts relative
Resistance is minimum during slip, is easy to smoothly open and close water hole.
A kind of Safety manhole cover of automatic drainage of the present invention, it is provided with the faying face of the central plate and movable plate spacing
Spring catch, for the limit spring pins position in central plate, the movable plate is provided with stopper slot, and such setting can be to movement
Plate progress is effective spacing, and its resistance will not be excessive when needing playback.
A kind of Safety manhole cover of automatic drainage of the present invention, the upper surface of the water tank is water tank cambered surface, such to set
The accumulation of dust can effectively be prevented by putting, and water hole can not also be opened by liquid is cannot be introduced into when water tank causes water big, be prevented
Only automatic shutter disabler.
A kind of Safety manhole cover of automatic drainage of the present invention, the bottom surface of the water tank is as convex upper convex surface
The mud that can make to avoid inside is set while blocks spilled water hole, the water in water tank is not flowed out, so as to cause water little
Mistiming beats water hole greatly, causes potential safety hazard.
A kind of Safety manhole cover of automatic drainage of the present invention, the spilled water hole lower section of the convex Middle face are provided with dredging
Bar, the 1/3-3/4 of a diameter of sluicing bore dia of the dredging bar, such setting can effectively prevent that spilled water hole from being sealed
It is stifled, and size setting then will not make dredging bar result in blockage spilled water hole in scale removal process.
A kind of Safety manhole cover of automatic drainage of the present invention, grid, the maximum of the grid are provided with the water hole
Diagonal is less than 30mm, and such setting increases the overall intensity of lid, and can make the use function of upper lid surface will not
Being set by water hole is influenceed, and can also so carry out artificial top cover in some cases.
A kind of Safety manhole cover of automatic drainage of the present invention, it is described to hold out against outside spring, opening and closing spring and crossed strip
Provided with waterproof jacket, such setting strengthens the service life of each spring, and can avoid the influence of mud, causes elastic mistake
Effect, so that the disabler of well lid.
A kind of Safety manhole cover of automatic drainage of the present invention, to be articulated and connected between the upper lid and manhole cover body, this
The setting of sample makes lid and the integrated setting of manhole cover body, so as to play antitheft effect.
According to above-mentioned technical proposal, the beneficial effects of the invention are as follows:Overcome the above-mentioned problems in the prior art, propose
It a kind of Safety manhole cover of automatic drainage, can be automatically opened and closed according to the number of bleeder quantity, and when closed will not
The integrality of well lid is impacted, is a kind of very safe well lid, and possess a variety of anti-pollution functions and it is anti-failure set
Put, so that well lid can realize non-maintaining effect.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the Safety manhole cover of automatic drainage of the present invention;
Fig. 2 is a kind of top view of the Safety manhole cover of automatic drainage of the present invention;
Fig. 3 is a kind of birds-eye perspective of the Safety manhole cover of automatic drainage of the present invention;
Fig. 4 is the A partial enlarged drawings in Fig. 1;
Marked in figure:
Lid on 1-, 2- manhole cover bodies, 3- piston rods, 4- opening and closing spring, 5- dredgings bar, 11- margin plates, 12- central plates,
13- movable plates, 14- water seepage holes, 15- water holes, 121- limit springs pin, 131- stopper slots, 132- crossed strips, 133- are held out against
The upper lid cambered surface of spring, 134- top covers, 151-, 1341- top covers cambered surface, 21- discharge orifices, 31- water tanks, 32- pistons, 311- water tank arcs
Face, the upper convex surfaces of 312-, 3111- inlet openings, 3121- spilled water holes.
Embodiment
With reference to specific embodiments and the drawings, the present invention is further illustrated.
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
If Fig. 1-4 is a kind of embodiment of the Safety manhole cover of automatic drainage of the present invention, as shown in figure 1, a kind of automatic leakage
The Safety manhole cover of water, including:Upper lid 1 and manhole cover body 2, the upper lid 1 are covered in manhole cover body 2, the upper surface of lid 1
With some water seepage holes 14 and water hole 15, top cover 134 is provided with the water hole 15, the top cover 134 is located at movable plate 13
On, it is provided between the top cover 134 and movable plate 13 and holds out against spring 133, the movable plate 13 is arranged at margin plate 11 with
On core 12, the margin plate 11 and central plate 12 are fixedly connected with upper lid 1, between the movable plate 13 and margin plate 11
Horizontal direction is provided with crossed strip 132, and piston 32 is provided between the movable plate 13, and the bottom of piston 32 is provided with piston rod 3,
The bottom of piston rod 3 is connected with water tank 31, and the top of water tank 31 is provided with some inlet openings 3111, the water tank 31 and well
Opening and closing spring 4 is provided between lid body 2, the bottom of water tank 31 is provided with some spilled water holes 3121, and the bottom of manhole cover body 2 is set
There are some discharge orifices 21, water enters in water tank from water seepage hole under normal circumstances for such setting, and spilled water hole is provided with water tank, works as water
The influx of case is suitable with discharge, i.e., when displacement is little, without being covered in opening, when Water in Water Tanks amount is excessive, compression is opened
Spring is closed, moves down piston, now movable plate is drawn close in the presence of crossed strip to centre, is driven top cover motion, was made water
Hole is opened, so that the discharging capacity increase of upper lid, so as to tackle different sluicing demands, when bleeder quantity is small, in water tank
Discharge reduction, now piston stroking upward, and to be band taper set upper piston area, makes not completely disengaging movable plate during descent of piston,
So as to smoothly separate movable plate when up, so that top cover blocks water hole, and movable plate is in vertical direction
For fixed setting, so that the intensity of upper lid is strengthened, possesses the effect for bearing downward power when closed, so as to ensure well
The safe handling of lid, the junction at the top lid center of water hole 15 and top cover 134, passes through the top cover arc of the top cover 134
Face 1341 and the upper lid cambered surface 151 of upper lid 1, realize that cambered surface contacts, such setting makes two parts with respect to resistance when sliding most
It is small, it is easy to smoothly open and close water hole, limit spring pin is provided with the faying face of the central plate 12 and movable plate 13
121, the limit spring pin 121 is located in central plate 12, and the movable plate 13 is provided with stopper slot 131, and such setting can
It is effective spacing to be carried out to movable plate, and when needing playback, its resistance will not be excessive, and the upper surface of the water tank 31 is
Water tank cambered surface 311, such setting can effectively prevent the accumulation of dust, when making liquid cannot be introduced into water tank to cause water big
Also water hole can not be opened, prevents automatic shutter disabler, the bottom surface of the water tank 31 is convex upper convex surface 312, this
The setting of sample can make to avoid the mud of inside while block spilled water hole, the water in water tank is not flowed out, so as to cause water
Little mistiming beats water hole greatly, causes potential safety hazard, and the lower section of spilled water hole 3121 at the upper middle part of convex surface 312 is provided with dredging bar
5, the 1/3-3/4 of the diameter of a diameter of spilled water hole 3121 of the dredging bar 5, such setting can effectively prevent spilled water hole quilt
Closure, and size setting then will not make dredging bar result in blockage spilled water hole in scale removal process, be provided with the water hole 15
Grid, the maximum diagonal of the grid are less than 30mm, and such setting increases the overall intensity of lid, and can make lid
Will not being set using function by water hole for surface is influenceed, and can also so carry out artificial top cover in some cases,
Spring 133, opening and closing spring 4 and the outside of crossed strip 132 of holding out against is provided with waterproof jacket, such to set the use for making each spring
Life-span strengthens, and can avoid the influence of mud, elastic failure is caused, so that the disabler of well lid, the upper He of lid 1
To be articulated and connected between manhole cover body 2, such setting makes lid and the integrated setting of manhole cover body, antitheft so as to play
Effect.
Due to using above-mentioned technical proposal, the beneficial effects of the invention are as follows:Overcome the above-mentioned problems in the prior art,
A kind of Safety manhole cover of automatic drainage is proposed, can be automatically opened and closed according to the number of bleeder quantity, and when closed
The integrality of well lid will not be impacted, be a kind of very safe well lid, and possess a variety of anti-pollution functions and anti-failure
Set, so that well lid can realize non-maintaining effect.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.