CN2433306Y

CN2433306Y - Anti-impact-sound and anti-theft manhole cover

Info

Publication number: CN2433306Y
Application number: CN 00225288
Authority: CN
Inventors: 颜克初; 童攀
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-07-25
Filing date: 2000-07-25
Publication date: 2001-06-06
Anticipated expiration: 2010-07-25

Abstract

The utility model relates to an impact sound preventing and anti-theft manhole cover. The utility model is provided with a cover plate and a cover frame which are connected by a hinge, wherein the cover plate is provided with a shaped through hole though which a lifting key can pass; the bottom end surface of the periphery of the cover plate is pressed on an elastic cushion ring which is inlaid in the bottom of the cover frame; the cover plate and the cover frame are matched with a lock composed of a lock seat, a lock rod, a lock sleeve, a shift piece, etc.; the utility model is also provided with the lifting key which is composed of a lifting handle, a straight lifting lever and a lifting and pulling cross shift rod. The cover of the utility model is tightly closed at ordinary times, and the cover plate can not be opened unless the special lifting key is used, so that the cover plate can be effectively prevented from being stolen or damaged by people; the elastic cushion ring between the cover plate and the cover frame can prevent the impact sound when a vehicle passes by. The lifting key can be used for unlocking locks, and can also be used as a handle.

Description

The antitheft clean-out cover of the protecting against shock sound

The utility model relates to the topped thing of hand-hole manhole and effluent sewerage well in the urban construction facility, specifically is meant the antitheft clean-out cover of a kind of protecting against shock sound.

In municipal water,, combustion gas, the underground installation of communication etc. and the blowdown of underground cloaca are built in the facility, using a large amount of hand-hole manhole well lids, but because the clean-out cover of installing and using now, its cover plate and the split-type structural of cover frame for can completely separating, and anyone need not to use any special instrument (as key), just can easily cover plate be opened, thereby many cover plates are stolen or are destroyed by the lawless person, cause the hand-hole manhole on the road surface to become with the effluent sewerage well to open big mouthful trap one by one, car is spoken sarcastically and is hindered accident and happen occasionally, and has a strong impact on the stable of society.At this problem, constantly the someone has designed and has been intended to prevent the various theft-proof type clean-out covers stolen by the people in recent years, and has applied for national patent.Yet have because structure design is unreasonable, have owing to make and use very not conveniently, perhaps may also have the reason of others, yet there are no in the urban construction construction and generally apply.Notice of authorization number is CN2344439Y " an antitheft clean-out cover ", more rationally and again uses more convenient advantage and has obtained applying to a certain degree though have design, but still exist some a fly in the ointment.One, when clean-out cover was subjected to external impacts (mainly being that vehicle left from above), clean-out cover can send the impact sound, causes environmental noise, civic operate as normal and life around disturbing; Secondly, this clean-out cover has designed that two cover lock constructions and two unblank carries spoon, not only complex structure, and the inconvenience that operates; In addition, the lock plate of this clean-out cover be positioned on the cover plate carry the special-shaped through hole of spoon turnover (being keyhole) under, the silt particle that is easy to be fallen down from keyhole stops up, so that influence is unblanked not nimble.

The purpose of this utility model is to provide a kind of the deduction and exemption to impact the sound and design the antitheft clean-out cover of the protecting against shock sound more reasonable and that use is more convenient.

Solution of the present utility model is as follows.It still includes cover plate and cover frame, and its feature part structurally is: on the edge of cover plate and cover frame suitable hinge is set respectively and is connected by bolt and nut component, thereby form complete hinge arrangement, make cover plate to rotate around cover frame by hinge arrangement, on the cast inner convex platform of cover frame bottom, offer a packing ring inside groove, from the bottom surface of packing ring inside groove around offering several downward discharge orifices that communicate with the external world in one week of packing ring inside groove, and in the packing ring inside groove, being equipped with an elastic washer, the bottom face of cover plate periphery is just pressed and is touched on this elastic washer; On the extended line of the line at hinge arrangement center and cover plate center by the edge part of cover plate, have a spoon of offering on the cover board of carrying and pass in and out special-shaped through hole (being keyhole), cover plate back side correspondence carry the special-shaped through hole of spoon turnover below, has the lock that is solidly fixed with cover plate, offer on the projection of lock front side with the vertical spoon of carrying that the special-shaped through hole of spoon turnover aligns mutually of carrying of top and revolve jack, carry spoon at this and revolve the locking bar that perforate inner sliding sleeve one radicle on the lock at jack rear stretches out lock, stating the hinge arrangement center in front of the central axis of this locking bar parallels with the line at cover plate center, offer on the cover plate frame of locking bar outer end and allow that locking bar passes the hole, allowing that locking bar passes then offers corresponding locking bar on the cover frame in the hole outside and locks the chamber, tightly be with outside the locking bar in lock and prevent that locking bar from sliding easily but allow the lock tube that locking bar moves under certain external force effect, the locking bar front side has and is connected in stretching carrying spoon on the locking bar and revolves jack one side's plectrum; Has one by carrying handle, straight shadoof and lifting the spoon of carrying that horizontal driving lever connects and composes, it is carried handle and is connected mutually with straight shadoof, the spoon of carrying that straight shadoof bottom can be inserted on the lock suitablely revolves jack and freely rotates therein, lifts cross bar and dials then and be connected with straight shadoof is perpendicular.

The utility model with said structure is fixed on cover frame on the well head pedestal that need be installed in hand-hole manhole or effluent sewerage well when installing and using.When covering cover plate, spoon is carried in the special-shaped through hole reeve of spoon turnover of carrying from cover plate, the spoon of carrying under insert the feasible straight shadoof bottom of carrying spoon on the lock revolves in the jack, firmly rotate then and carry spoon, make the horizontal driving lever that lifts on the straight shadoof of carrying spoon stir the plectrum that links to each other with locking bar, thereby drive that locking bar moves and the locking bar that cover frame is inserted in the locking bar end is locked in the chamber in lock tube, so cover plate is just firmly pinned by locking bar and can not upwards be mentioned, after this upwards extract out again and carry spoon, can transfer to special messenger's keeping at ordinary times.Do not remove to stir locking bar and unblank if do not use the special use of the utility model design to carry spoon, just can not open cover plate, thereby accomplish to prevent effectively that the lawless person from stealing cover plate easily.When required when cover plate is opened because of working, only need from the cover plate carry the special-shaped through hole of spoon turnover inject carry spoon and firmly rotation carry spoon, stir locking bar make its end fully the locking bar from the cover frame lock the chamber and withdraw from, thereby lock is opened.Rotate an angle (as 90 °) if will carry spoon this moment, make the horizontal driving lever of carrying on the spoon that lifts to withdraw from and to be blocked from the special-shaped through hole of spoon turnover of carrying on the cover plate by the cover plate bottom surface, carry spoon like this and just can not upwards extract out, and can be used as the handle that upwards lifts cover plate just and use.So, to carry under the tension that makes progress of spoon, cover plate is done rotation with respect to cover frame one side by hinge arrangement, thereby cover plate is opened, and convenient and strength-saving.Work finishes only need operate backward rotation when carrying spoon and doing with above-mentioned unblanking when covering cover plate, just can stir locking bar will lock again and lock, spoon is carried in this moment rotation makes it get back to former position when being introduced into cover plate, when so upwards pull is carried spoon again, lift horizontal driving lever and just can withdraw from, just can successfully in cover plate, release so carry spoon from carrying the special-shaped through hole of spoon turnover.

The antitheft clean-out cover of the utility model is tight in capping at ordinary times, does not have special-purpose special carry spoon and just can not open cover plate, can accomplish to avoid effectively cover plate to be stolen or destroy.Its reasonable in design is made easily, and it is very convenient to use.Carry spoon both when key unlocking usefulness, but double as handle usefulness again is easy to use laborsaving.The elastic washer that embeds in the cover frame bottom gasket inside groove can cushion the surge of the vehicle of passing by on one's way effectively, reduces impact noise, helps civic operate as normal and life on every side.Only have the spoon of carrying on the lock to revolve jack under carrying the special-shaped through hole of spoon turnover, critical piece such as the locking bar in the lock with carry the special-shaped through hole of the spoon turnover position of staggering, this has just guaranteed that the parts in the lock are difficult for being stopped up by silt particle.

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 for a kind of concrete structure embodiment of the present utility model at the vertical view that does not insert when carrying spoon;

A-A sectional view when Fig. 2 carries for Fig. 1 inserts spoon;

Fig. 3 is that the B of Fig. 2 is to view;

Fig. 4 is the C place partial enlarged view (promptly shutting state diagram) among Fig. 2;

Fig. 5 is the D-D sectional view of Fig. 4;

Fig. 6 turns over 180 ° of structure charts (being unlocking condition figure) of state of living in afterwards for the spoon of carrying among Fig. 4;

Fig. 7 is the E-E sectional view of Fig. 6.

Referring to Fig. 1 to Fig. 7.The utility model includes circular cover plate 1 and cover frame 2, on the edge of cover plate 1 and cover frame 2, suitable hinge is set respectively and is connected by bolt and nut component 3, thereby form complete hinge arrangement, make cover plate 1 to rotate around cover frame 2 by hinge arrangement, on the cast inner convex platform of cover frame 2 bottoms, offer a packing ring inside groove, from the bottom surface of packing ring inside groove around offering four uniform downward discharge orifices that communicate with the external world 21 in one week of packing ring inside groove, the water of being convenient in the groove is discharged, exempt to make foundry goods to get rusty, and the elastic washer 4 made of the chlorinated polyether material that in the packing ring inside groove, is equipped with the wear-resisting pressure-resistant corrosion-resisting of a usefulness, the bottom face of cover plate 1 periphery is just pressed and is touched on this elastic washer 4; In the hinge arrangement center O ' with the extended line of the line O ' O of cover plate center O on by the edge part of cover plate 1, have a spoon of carrying that is opened on the cover plate 1 and pass in and out special-shaped through hole 101 (being keyhole), cover plate 1 back side correspondence carry the special-shaped through hole 101 of spoon turnover below, has the lock 5 that fuses with cover plate 1 casting, offer on the projection 51 of lock 5 front sides with the vertical spoon of carrying that the special-shaped through hole 101 of spoon turnover aligns mutually of carrying of top and revolve jack 52, there is a radicle to stretch out the locking bar 6 of lock 5 at this perforate inner sliding sleeve of carrying on spoon lock 5 that revolves jack 52 rears, state the hinge arrangement center O in front of the central axis of locking bar 6 ' parallel with the line O ' O of cover plate center O, offer on cover plate 1 frame of locking bar 6 outer ends and allow that locking bar passes hole 102, allowing that locking bar passes then offers corresponding locking bar on the cover frame 2 in 102 outsides, hole and locks chamber 22, tightly be with outside the locking bar 6 in lock 5 and prevent that locking bar 6 from sliding easily but allow the lock tube 7 that locking bar 6 moves under certain external force effect, lock tube 7 can adopt the low-pressure polyethylene material of waterproof antiwear to make, and locking bar 6 front sides have adopts screw 10 to be fixed on stretching carrying spoon on the locking bar 6 to revolve jack 52 1 sides' plectrum 8; Have one and carry spoon 9 by what carry handle 91, straight shadoof 92 and lift that horizontal driving lever 93 connects and composes, it is carried handle 91 and welds mutually with straight shadoof 92, the spoon of carrying that straight shadoof 92 bottoms can be inserted on the lock 5 suitablely revolves jack 52 and freely rotates therein, lifts 93 of horizontal driving levers and shadoof 92 perpendicular being connected directly.Its mode that is connected is, lift horizontal driving lever 93 and cross radial aperture on the straight shadoof 92, and its two ends stretches in the outside of straight shadoof 92, lifts horizontal driving lever 93 and welds mutually with shadoof 92 outer walls directly.

Referring to Fig. 1, the shape of offering on the cover plate 1 of carrying the special-shaped through hole 101 of spoon turnover, embodiment offers circular hole earlier among the figure on cover plate 1, the bar hole that is connected with this circular hole is respectively respectively offered in both sides on the same diameter of circular hole then, and the centerline of this bar hole is on the extended line of the line O ' O of hinge arrangement center line O ' and cover plate center line O.Circular hole is straight shadoof 92 turnover of carrying spoon 9 in order to allow, and offering of bar hole is to lift the turnover of horizontal driving lever 93 both sides in order to allow.

Referring to Fig. 1 to Fig. 3.Along uniform three boss of cover plate 1 dorsal edge one week, offer a through hole on each boss, three boss are also established in 2 corresponding sections on cover frame, offer respectively three corresponding screws of through hole on each boss with the top, adopt then three be fastenedly connected bolt 11 from cover plate 1 end face penetrate respectively the below on the cover plate 1 through hole and cover frame 2 on corresponding screw and bolt 11 screwed, thereby cover plate 1 and cover frame 2 are firmly combined, play the effect that further prevents to impact the sound effectively.Certainly, before cover plate 1 being opened, must be fastenedly connected bolt 11 with these three and unscrew earlier and take apart because of need of work.

The cover plate 1 among the figure and the shape of cover frame 2 are not only limited to the circle shown in the figure, can be square or other shape yet.They can adopt the cast condition ductile iron manufacturing, need not anneal, and mechanical strength and good toughness, in light weight, manufacturing cost is lower.Locking bar 6 and plectrum 8 adopt stainless steel material, to increase application life.

Claims

1, the antitheft clean-out cover of a kind of protecting against shock sound includes cover plate and cover frame, it is characterized in that:

(A), on the edge of cover plate and cover frame, suitable hinge is set respectively and is connected by bolt and nut component, thereby form complete hinge arrangement, make cover plate to rotate around cover frame by hinge arrangement, on the cast inner convex platform of cover frame bottom, offer a packing ring inside groove, from the bottom surface of packing ring inside groove around offering several downward discharge orifices that communicate with the external world in one week of packing ring inside groove, and in the packing ring inside groove, being equipped with an elastic washer, the bottom face of cover plate periphery is just pressed and is touched on this elastic washer;

(B), on the extended line of the line at hinge arrangement center and cover plate center by the edge part of cover plate, have a spoon of offering on the cover board of carrying and pass in and out special-shaped through hole, cover plate back side correspondence carry the special-shaped through hole of spoon turnover below, has the lock that is solidly fixed with cover plate, offer on the projection of lock front side with the vertical spoon of carrying that the special-shaped through hole of spoon turnover aligns mutually of carrying of top and revolve jack, carry spoon at this and revolve the locking bar that perforate inner sliding sleeve one radicle on the lock at jack rear stretches out lock, stating the hinge arrangement center in front of the central axis of this locking bar parallels with the line at cover plate center, offer on the cover plate frame of locking bar outer end and allow that locking bar passes the hole, allowing that locking bar passes then offers corresponding locking bar on the cover frame in the hole outside and locks the chamber, tightly be with outside the locking bar in lock and prevent that locking bar from sliding easily but allow the lock tube that locking bar moves under certain external force effect, the locking bar front side has and is connected in stretching carrying spoon on the locking bar and revolves jack one side's plectrum;

(C), has one by carrying handle, straight shadoof and lifting the spoon of carrying that horizontal driving lever connects and composes, it is carried handle and is connected mutually with straight shadoof, the spoon of carrying that straight shadoof bottom can be inserted on the lock suitablely revolves jack and freely rotates therein, lifts horizontal driving lever and then is connected with straight shadoof is perpendicular.

2, the antitheft clean-out cover of the protecting against shock sound according to claim 1, it is characterized in that, along uniform three boss of cover plate dorsal edge one week, offer a through hole on each boss, three boss are also established in the corresponding section on cover frame, offer respectively three corresponding screws of through hole with the top on each boss, adopt three to be fastenedly connected bolt and to penetrate screw corresponding on through hole on the cover plate of below and the cover frame respectively and bolt is screwed then, thereby cover plate and cover frame are firmly combined from the cover plate end face.