CN2360447Y

CN2360447Y - Novel locking device for well body and well lid

Info

Publication number: CN2360447Y
Application number: CN 99205972
Authority: CN
Inventors: 刘凤基; 李洪海
Original assignee: 陈宝金
Priority date: 1999-03-29
Filing date: 1999-03-29
Publication date: 2000-01-26
Anticipated expiration: 2009-03-29

Abstract

The utility model relates to a novel locking device of well body well lid, it includes a well lid, and one side is equipped with the latch hook under the well lid, and the latch hook upper end is equipped with the round pin axle, and the latch shaft is fixed the latch hook on well lid couple seat, and the well lid opposite side is equipped with the anti-juggle hook, and well lid central authorities are equipped with the key hole, be equipped with the couple face with well lid complex well body upper portion. The utility model relates to a novel locking device of well body well lid has simple structure, safe and reliable, convenient to use, both can prevent burglary, can prevent characteristics such as jolt again, is a security device that the security is strong.

Description

Well bore well lid novel lock device

The utility model relates to the public building facility, particularly a kind of underground structure well bore pattern manhole cover lock device that belongs to.In existing well bore well lid form, connecting mode generally has the bearing pin that 1. overturns to connect 2. iron chains to connect 3. connecting rod translation and connect 4. anti-bounce-back type well lid and 5. various ways such as coded lock enclosed anti-theft type, cut both ways in actual use, thereby it is still very serious to cause society to go up the robbed or burgled phenomenon of well lid, and safety factor is very poor, is having a strong impact on the safety of social environment and people's lives and properties.

The purpose of this utility model provides a kind of well bore well lid novel lock device simple in structure, safe and reliable, easy to use.

The well bore well lid novel lock device of the utility model design comprises a well lid, next side of well lid is provided with latch hook, the latch hook upper end is provided with bearing pin, lock shaft is fixed on latch hook on the well lid hook base, the well lid opposite side is provided with anti-top hook, well lid central authorities are provided with keyhole, and the described upper wellbore section that cooperates with well lid is provided with the hook face.

The well bore well lid novel lock device of the utility model design can also comprise the key of buckle.

That the well bore well lid novel lock device of the utility model design has is simple in structure, safe and reliable, easy to use, can prevent characteristics such as top antitheft, again, is a kind of safety device of strong security.

What the utility model adopted is the purpose that the eccentric weight latch hook reaches locking, and is furnished with anti-top hook, open well lid and must could open with private key.

When maintenance during underground installation, desire is opened well lid, must cover keyhole along carrying of well lid with private key and insert, down behind the positioning table behind half-twist outside the well bore, upwards mention again, latch hook is opened, well lid is mentioned.

Further describe the utility model below in conjunction with drawings and Examples

The well bore pattern manhole cover lock apparatus structure schematic diagram that accompanying drawing designs for the utility model

Wherein label 1 is the well bore of band hook face, and 2 is well lid, and 3 is bearing pin, and 4 is latch hook, and 5 is key, and 6 are anti-top hook.

Well bore pattern manhole cover lock device as shown in the figure is to be cast with the hook face on well bore 1 (HT200), upward latch hook 4 (QT) is fixed on the well lid hook base at well lid 2 (QT) with lock shaft 3 (45#), opposite side at the well lid latch hook is cast with the anti-top hook 6 (QT) that is cast as one with well lid, elder generation snaps into the anti-top hook 6 (QT) of well lid under the interior edge of well bore in the time of in well lid is placed on the well bore mouth, then the latch hook of the well lid hook inclined-plane along well bore is slided, latch hook utilizes eccentric weight to make under the hook hook face, well lid and well bore are firmly pinned, thereby play locking and antitheft effect.The latch hook 4 of well lid bottom and anti-top hook 6 respectively with the hook face of well bore 1 down and in the well bore along blocking, play load and be pressed onto the effect of not jolting on the well lid.

Annotate: HT is a grey cast-iron; QT ductile iron.

Well lid utilizes the eccentric weight latch hook to tighten automatically when opening well lid and must use private key 5 (cold drawn steel) with after well bore cooperates, cover keyhole along carrying of well lid and inserts behind positioning table, behind half-twist outside the well bore, on carry latch hook opened and mention well lid.

Claims

1, a kind of well bore well lid novel lock device, it is characterized in that comprising a well lid, next side of well lid is provided with latch hook, the latch hook upper end is provided with bearing pin, lock shaft is fixed on latch hook on the well lid hook base, the well lid opposite side is provided with anti-top hook, and well lid central authorities are provided with keyhole, and the described upper wellbore section that cooperates with well lid is provided with the hook face.

2, device according to claim 1 is characterized in that also comprising the key of buckle.