CN2117400U - Pithead preventing thieves - Google Patents

Abstract

The utility model relates to an anti-theft pithead which belongs to the sewer security protection facility. The anti-theft pithead is characterized in that the pithead is provided with a less semi-circle connecting body which is pined with the longitudinal reinforced rib of a more semi-circle well cover; the lower side of the well cover is provided with a safety lock and a special key which is matched with the safety lock. The anti-theft pithead solves the problem for years that the well cover is stolen, which endangers personal safety and causes national economic loss. The anti-theft pithead has the advantages of simple and convenient producing process, safe use and operation, low cost, long service life, etc.

Description

Pithead preventing thieves

The utility model belongs to sewer safeguard protection facility, exactly is a kind of sewer well head.

The sewer well head of using is gone up by society at present, majority does not have anti-theft device, the well head that anti-theft device is arranged individually, device is located at the hole cover outside, mix the pedestrian that passes by on one's way easily, easily pull out anti-theft device again, cause well lid, well head, the interior facility of well to have things stolen in a large number, promptly jeopardize personal safety, cause unnecessary loss to country again.

The purpose of this utility model provides a kind of well head with hidden anti-theft device, solved the stolen problem of sewer well head, well lid.

The utility model is by well head (1), safety lock (2), lock housing (3), pintle hook lock (4), spring (5), well lid (6), connector (7), dowel (8), key (9), fore shaft groove (10) is formed, be characterized in that well head (1) one side is provided with not a half circular connector (7), establish two grooves on the connector, and be provided with the perforation of vertical dowel, well lid (6) is most circular configurations, downside is provided with vertical, horizontal reinforcing rib, waling one end grows part and inserts the connector groove, and be processed with dowel perforation, safety lock (2) is by lock housing (3), pintle hook lock (4), spring (5) is formed, lock housing and well lid are cast as one, the pintle hook lock front end is processed into the inclined-plane, a groove is established in the rear end, key (9) is made up of two corner pieces, and one is the right angle support member, and another is a key, angle is inserted lockhole one end and is established a crotch greater than 90 degree.Be provided with a fore shaft groove (10) at well head and safety lock corresponding position in addition.

During installation, well lid horizontal bar projection is inserted well head connector groove, be seated dowel, safety lock places the well lid downside, put down well lid, pintle hook lock enters in the well head groove, and well lid is promptly by locked, during unlatching, in the slotted hole, key inserts in the inboard slotted hole outside inserting key supporter turning one end above the well lid safety lock, and the hand wing plays an end, by leverage, stir safety lock rear end groove, pintle hook lock withdraws from, and well lid is mentioned by the key leading hook.

Accompanying drawing is embodiment of the present utility model:

Fig. 1 is the utility model assembly drawing.

Fig. 2 is the safety lock schematic diagram.

Fig. 3 is the key schematic diagram.

1 is that well head, 2 is that safety lock, 3 is that lock housing, 4 is that pintle hook lock, 5 is that spring, 6 is that well lid, 7 is that connector, 8 is that dowel, 9 is a key as shown in the figure.Well head (1) one side directly casts out connector (7), establish two grooves on the connector, groove is vertically established the dowel perforation, well head remainder structure is identical with prior art, well lid (6) is most circular configurations, downside is established the vertical, horizontal reinforcing rib, and waling one end grows part and inserts the connector groove, and is provided with the dowel perforation.Safety lock (2) is made up of lock housing (3), pintle hook lock (4), spring (5), and lock housing (3) is cast as one with well lid, and pintle hook lock (4) front end is processed into the inclined-plane, the rear end processes a groove, spring (5) is enclosed within on the pintle hook lock (4), and dowel (8) adopts round steel to cut system, and is welded together with connector.Key (9) is made two corner pieces, one with steel plate and is the right angle support member, and another is a key.Angle is 100 degree, inserts lockhole one end and establishes a crotch, and fore shaft groove (10) is directly cast on the well head wall and processed.

Claims (2)

1, a kind of Pithead preventing thieves, by well head (1), safety lock (2), lock housing (3), pintle hook lock (4), spring (5), well lid (6), connector (7), built-in lock (8), topic spoon (9), fore shaft groove (10) is formed, it is characterized in that well head (1) one side is provided with not a half circular connector (7), establish two grooves on the connector, and be provided with the perforation of vertical built-in lock, well lid (6) is most circular configurations, downside is provided with vertical, horizontal reinforcing rib, waling one end grows part and inserts the connector groove, and be processed with dowel perforation, safety pin (2) is by lock housing (3), pintle hook lock (4), spring (5) is formed, lock housing and well lid are cast as one, the pintle hook lock front end is processed into the inclined-plane, a groove is established in the rear end, key (9) is made up of two corner pieces, and one is the right angle support member, and another is a key, angle is inserted lockhole one end and is established a crotch greater than 90 degree.

2,, it is characterized in that well head and safety lock corresponding position are provided with a fore shaft groove according to the described Pithead preventing thieves of claim 1.

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