CN2161680Y - Safety theft-proof lock for grate of sewer - Google Patents

Abstract

The utility model provides a safety theft-proof lock for a grate of a sewer in a street. The structure of the utility model is mainly composed of a lock body, a key, a clamping hook, a sliding bar, a spring lock tongue, a lock hook, a fixing screw bolt, etc., wherein, the clamping hook and the lock tongue are fixed on the lock body through the fixing screw bolt. When the utility model is used, the lock body is arranged in the space of the grate of sewer, the lock hook is fixed on a cement frame, and the lock hook and the lock tongue hook are hung together to make the grate fixed in the middle part of the cement frame. After the grate of the sewer is provided with the safety theft-proof lock, the loss rate of the grate of the sewer can be reduced by more than 90 per cents, and traffic accidents caused by the grate of the sewer being stolen are reduced.

Description

Safety theft-proof lock for grate of sewer

The utility model relates to the dewatering installation in a kind of communal facility, especially a kind of road sewer grate safety anti-theft lock.

The sewer grate of road both sides is often lost for various reasons at present, the sewer of no sewer grate is a danger close, rainy day, the sewer of opening can make passing pedestrian leak to enter to lose one's life accidentally, night, vehicular traffic is because of the car crash of being too late to dodge, and thisly is not minority because of sewer lacks the traffic accident that grate causes.

The purpose of this utility model provides a kind of safety anti-theft lock that prevents that the sewer grate from losing.

The purpose of this utility model realizes in the following manner.

Safety anti-theft lock is installed on the sewer grate, latch hook is fixed on the cement frame of sewer, then the sewer grate is locked on the cement frame.

Figure of description 1 is a structural representation of the present utility model;

Figure of description 2 is a bottom view of the present utility model;

Figure of description 3 is a user mode sectional view of the present utility model;

Figure of description 4 is a user mode vertical view of the present utility model;

Figure of description 5 is a key lateral view of the present utility model;

Figure of description 6 is a key bottom view of the present utility model.

Explain below with reference to Figure of description theftproof lock of the present utility model being done.

Theftproof lock of the present utility model is by key lock body (3), the parts such as grab (11), sliding bar (9), spring (8), dead bolt (7), latch hook (2), set bolt (6), (10) form, dead bolt (7) and grab (11) are fixed on the lock body (3) by set bolt (6) and (10), and latch hook (2) is hooked on the dead bolt.

The upper cover of sliding bar (9) has spring (8) to be fixed on the end of dead bolt (7), and the other end of sliding bar (9) passes from the fixed mount (18) perpendicular to lock body (3). The lower vertical of latch hook (2) is fixed on the packaged fixed head (14) that expansion bolt (13) are arranged. Fixed head (14) then is vertically fixed on the inwall of cement frame (1) by expansion bolt (13). Be positioned on the lock body (3) on fixing set bolt (6) right side of dead bolt (7) keyhole (12) is arranged.

The key left end of opening theftproof lock is T-shaped handle (15), right-hand member have one curved 90 ° downwards＜hook (17), also have a ┐ shape hook (16) at an upper portion thereof.

Embodiment:

Sewer grate safety anti-theft lock of the present utility model is mainly used in the antitheft destruction of sewer grate, during use theftproof lock is placed in the space of sewer grate, and grab is stuck on the space (4) of grate.

Fixed head on the latch hook of theftproof lock (14) is fixed on the inwall of cement frame (1) by expansion bolt (13).The other end of grate then is fixed on the cement frame (1) by two expansion bolts (5).Grate can be admittedly on the cement frame together as long as lock body upper lock tongue and latch hook be hooked on when locking.

The dried process that opens theftproof lock is that 90 °＜hook of key right-hand member is injected in the keyhole of lock body, and the end of hook is withstood on the not end of dead bolt.Holding T-shaped handle then upwards draws.Dead bolt moves right under the leverage of key, and dead bolt and latch hook are thrown off grate and can be taken off.

Theftproof lock of the present utility model uses on the sewer grate of communal facility, and the loss of grate is reduced more than 90%, can significantly reduce the traffic accident that causes thus, and therefore good economic results in society are arranged.

Except that the technical characterictic described in the manual, be known technology.

Claims (5)

1, sewer grate safety anti-theft lock comprises lock body, key, grab, sliding bar, spring, dead bolt, latch hook, set bolt etc., it is characterized in that grab, dead bolt are fixed on the lock body by set bolt, and latch hook is hooked on the dead bolt.

2, theftproof lock according to claim 1 is characterized in that being with the not end that spring is fixed on dead bolt on the sliding bar, and the other end of sliding bar passes from the fixed mount perpendicular to lock body.

3, theftproof lock according to claim 1, the lower vertical that it is characterized in that latch hook are fixed on the packaged fixed head that expansion bolt arranged.

4, theftproof lock according to claim 1, the left end that it is characterized in that opening the key of theftproof lock is T-shaped handle, right-hand member have one be bent downwardly 90 °＜hook, its top also has a ┐ shape hook.

5, theftproof lock according to claim 1 is characterized in that being positioned on the lock body on set bolt right side of dead bolt a keyhole is arranged.

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