CN201228359Y - Theftproof manhole cover - Google Patents

Abstract

The utility model belongs to municipal construction articles, in particular to a theftproof water well lid used on a road and a residential sewer well, which mainly comprises a well lid support (2) and a well lid (3). A sliding chute (7) is arranged at the lower part of the inner wall of the well lid support (2); a round lockhole (4) is arranged on the edge of the well lid (3); a multiangular nut (5) provided with a conical lug boss and internal threads is movably arranged in the round lockhole (4); and the multiangular nut (5) is connected with a screwed end of an orthogonal lock roll (6) in a tight fit manner, and the other end of the orthogonal lock roll (6) is inserted into the sliding chute (7) of the well lid support (2). The theftproof water well lid must be unlocked by special purpose tools, thereby effectively preventing people from stealing the well lid; and the lock has simple manufacture and installation, can be manufactured renewedly, and also can be altered on the original well lid, so the lost is low.

Description

Antitheft Sewage well cover

Technical field

The utility model belongs to the urban construction articles for use, the antitheft Sewage well cover that particularly a kind of road and dwelling house sewer well are used.

Technical background

At present, all to be that iron covering is floating be placed on Jing Tuoshang to the well lid of usefulness such as sewer well, heat supply well, often loses, and causes people, car damage.The well lid that also useful cement is made, since heavy, move up very inconvenient.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned technical deficiency, and a kind of in light weight, antitheft Sewage well cover of needing special tool to open, be difficult for losing is provided.

The technical scheme that the utility model technical solution problem adopts is: antitheft Sewage well cover is made up of well lid holder and well lid, be characterized on the boss of the inwall bottom of well lid holder, establishing a circular chute, on the edge of well lid, establish a round keyhole, wear the polygonal nut of conical boss and internal thread in lockhole, being equipped with versatilely, right angle type lock rod one end is connected with polygonal nut inner thread tight fit, and the other end inserts in the chute of well lid holder.

The beneficial effects of the utility model are: the utility model needs special tool to unblank, and can prevent effectively that people from stealing well lid, and this locking is made and installed simply, can make again, also can transform on original well lid, and cost is low.

Description of drawings

Specify with embodiment below in conjunction with accompanying drawing.

Fig. 1 shows that antitheft Sewage well cover master looks sectional view.

The vertical view of Fig. 2 diagrammatic sketch 1.

Among the figure, the brick raised platform around a well of 1-; The holder of 2-well lid; The 3-well lid; 4-well lid lockhole; 5-six square nuts; 6-right angle lock rod; 7-well lid holder chute

The specific embodiment

With reference to accompanying drawing 1,2, a kind of antitheft Sewage well cover is to place a well lid holder 2 on brick raised platform around a well 1, uses cemented.Establish chute 7 on the boss of well lid holder 2 inwall bottoms, in well lid holder 2, put well lid 3, a round keyhole 4 is established at well lid 3 edges, with right angle type lock rod 6 not threaded end insert in the lock rod circular hole 7 of well lid holder 2, will lock rod 6 threaded end and be connected with six square nuts, 5 internal thread tight fits.Establish a conical boss above six square nuts 5, the boss height is no more than ground.As opening well lid 3, need to turn six square nuts 5 with the private key of hexagon and conical recess in the band, six square nuts 5 and right angle lock rod 6 are broken away from, just right angle lock rod 6 other ends can break away from well lid slide groove 7, can open Sewage well cover 3.

Claims (1)

1, a kind of antitheft Sewage well cover, mainly form by well lid holder (2) and well lid (3), it is characterized in that establishing a chute (7) in well lid holder (2) inwall bottom, a round keyhole (4) is established at well lid (3) edge, adorn the polygonal nut (5) of wearing conical boss and internal thread on one in the well lid lockhole (4) versatilely, polygonal nut (5) is connected with the end of thread tight fit of right angle lock rod (6), and right angle lock rod (6) other end inserts in the chute (7) of well lid holder (2).

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