CN2587938Y - Theft-proof manhole cover - Google Patents

Abstract

The utility model discloses a novel theftproof well cover, which comprises a cover body and a base, wherein, an inner embedded edge is arranged on the base, and the cover body is matched with the inner embedded edge. The cover body is provided with a key hole, a hanger is arranged under the key hole, and a locking hook is arranged in the hanger. The locking hook is connected with the hanger via a rotating shaft, and an outer edge of the bottom seat corresponding to the locking hook is formed with an outwards bulged hook edge type lock catch. Since the edge of the back side of the cover body of the well cover is provided with a locking hook which can rotate with the rotating shaft, the edge of a seat body corresponding to the locking hook is provided with the lock catch, and the locking hook is buckled with the lock catch in order to lock the cover body and the bottom seat together when the cover body is embedded in the seat body. When the cover body needs to be opened, a special key having a cross end head is needed to be utilized and inserted in the key hole of the cover body, the end head of the key is used for shifting the locking hook in order to cause the locking hook to disengage from the limit of the lock catch to open the cover body, and an iron chain is fixedly arranged between the cover body and the bottom seat in order to prevent a robber from stealing the opened cover body.

Description

Novel antitheft well cover

Technical field

The utility model relates to a kind of municipal protective equipment of underground pipeline facility well heads such as a kind of water supply and draining, heat, coal gas, telecommunications, especially a kind of novel antitheft well cover.

Background technology

The cable well lid and the rainwater well lid that use on road at present, frequent for various reasons stolen robbery walks, and causes very big hidden danger for the safety of the vehicle and the person, causes very burden for municipal administration department.

The utility model content

The purpose of this utility model provides a kind of novel structure, the novel antitheft well cover that security performance is high.

The technical solution of the utility model is: a kind of novel antitheft well cover, comprise lid and base, one embedded edge is arranged on base, lid cooperates with embedded edge, one keyhole is arranged on lid, a suspension bracket is housed under keyhole, a lock hook is housed in suspension bracket, lock hook and suspension bracket link by rotating shaft, form an outer convex hook edge type snap close on the outer of end Cuo and lock hook corresponding position.

Above-mentioned lock hook is a drop hanger shape.

On the lid with the corresponding another side of lock hook along on a protruding tongue is being arranged, in base along on have one and the suitable hole, cave of protruding tongue with this protruding tongue corresponding position.

One spacing block set is arranged on lid, on base, one groove is arranged with this spacing block set corresponding position.

On the embedded edge on the base, the noise reduction packing ring is housed.

Connect firmly an iron chains at the lid back side lid and base are associated in one.

The utility model has following advantage:

1, can prevent that the robber from stealing the lid of well lid

Because the lid backside edge at well lid can be provided with a snap close at pedestal edge and lock hook corresponding position with the lock hook of axle rotation along being provided with one, after lid was inlaid in the pedestal, lock hook was interlocked with snap close lid and base is locked together in.When needs are opened lid, must use special-purpose termination is criss-cross key, keyhole from lid inserts, and stir the constraint that lock hook makes lock hook break away from snap close with the termination of key and lid could be opened, between lid and base, installed an iron chains in order to prevent that the robber from stealing the lid of opening.

2, because the weight of lid is bigger, in order to make on the lid snap close on the lock hook and base accurately corresponding fastening, locking, the other end of lid and base along on collude with hook and the snap close correspondence position is provided with a location buckling device, this location buckling device is made of the protruding tongue at lid edge and the depression at base edge, when lid fastens, earlier the protruding tongue on the lid is inserted in the depression at base edge, put down lid then and just can make lid

The lock hook and the snap close of below are accurately located the fastening locking.

3, in order to prevent that lid and base from fastening the back left and right moving taken place, also be provided with a position-limit mechanism on lid and base, this position-limit mechanism is made of the projection at lid edge and the groove at base edge.

4, in order to eliminate the vibrations sound that spreading produced that lid is subjected to road vehicles, the rubber shock-absorbing packing ring has been installed around the interior edge of base.

Description of drawings

Fig. 1 is the utility model understructure schematic diagram;

Fig. 2 is the utility model lid structure schematic diagram.

The specific embodiment

Structure of the present utility model as shown in Figure 1 and Figure 2.A kind of novel antitheft well cover, comprise lid 1 and base 2, on base 2, have one embedded along 3, lid 1 cooperates along 3 with embedded, one keyhole 4 is arranged on lid 1, and the keyhole at the lid back side is equipped with a suspension bracket 5 for 4 times, and a lock hook 6 is housed in suspension bracket 5, lock hook 6 links by rotating shaft 7 with suspension bracket 5, forms an outer convex hook edge type snap close 8 on the outer of base 3 and lock hook 6 corresponding positions.Above-mentioned lock hook 6 is hook-shaped for claiming.On the lid 1 with the corresponding another sides of lock hook 6 along on a protruding tongue 9 is being arranged, have one and the suitable hole, cave 10 of protruding tongue with this protruding tongue 9 corresponding positions on along 3 in that base is embedded.One spacing block set 11 is arranged on lid 1, on base 1, one groove 12 is arranged with these spacing block set 11 corresponding positions.Noise reduction packing ring 13 is housed embedded on the base on along 3.Connect firmly an iron chains 14 at lid 1 back side lid 1 and base 2 are associated in one.

Claims (6)

1, a kind of novel antitheft well cover, comprise lid and base, one embedded edge is arranged on base, lid cooperates with embedded edge, it is characterized in that: a keyhole is arranged on lid, a suspension bracket is housed under keyhole, a lock hook is housed in suspension bracket, lock hook and suspension bracket link by rotating shaft, form an outer convex hook edge type snap close on the outer of end Cuo and lock hook corresponding position.

2, according to claim 1 a described novel antitheft well cover, it is characterized in that: above-mentioned lock hook is a drop hanger shape.

3, novel antitheft well cover according to claim 1 is characterized in that: on the lid with the corresponding another side of lock hook along on a protruding tongue is being arranged, in base along on have one and the suitable hole, cave of protruding tongue with this protruding tongue corresponding position.

4, according to claim 1 or 3 described novel antitheft well covers, it is characterized in that: a spacing block set is arranged on lid, on base, one groove is arranged with this spacing block set corresponding position.

5, novel anti-time well lid according to claim 1 is characterized in that: on the embedded edge on the base noise reduction packing ring is housed.

6, novel anti-time well lid according to claim 1 is characterized in that: connect firmly an iron chains at the lid back side lid and base are associated in one.