CN2723524Y

CN2723524Y - Anti-theft manhole cover with key

Info

Publication number: CN2723524Y
Application number: CN 200420082832
Authority: CN
Inventors: 陈灿铧
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-08-13
Filing date: 2004-08-13
Publication date: 2005-09-07
Anticipated expiration: 2014-08-13

Abstract

The utility model discloses a manhole cover of the city underground watercourse in particular to an anti-theft manhole cover with key which is composed of a manhole cover, a manhole ring and a key and is characterized in that a lock hole is arranged on the manhole cover. A dead bolt perch which is arranged at the bottom of the manhole cover and can be adjusted by the key is disengaged or contacted with the manhole ring. The inner terminal of the dead bolt perch is in the hole shape. The key is in the t shape. The lower section of the handle of he key is screw connected with a coating. The upper end of the coating is a limited reverse crown with two stages and is embedded in the lock hole of the manhole cover. The bottom of the coating is hinged with a swing arm. The bottom of the swing arm is provided with a draw pin which is in 90 DEG. The advantages of the utility model are that the bottom of the manhole cover can be provided with one or a plurality of dead bolt perches. The manhole cover can not be opened without the key. The lock hole is a through hole which can arranged in the center of the manhole cover or near the edge. The anti-theft manhole cover with key does not result in the unlocking phenomenon because of the natural block or the man-made block. The key can simultaneously replace the handle of the manhole cover.

Description

A kind of anti-stealing manhole cover that has key

Technical field

The utility model belong to urban groundwater road well head well lid, be specifically related to a kind of anti-stealing manhole cover that has key.

Background technology

Design about well lid in prior art is a lot, but the mostly still well lids of using in reality separate with the outer ring, does not have lockset, and the well lid that also has is with iron chains or iron wire well lid to be connected the quilt that these ways all do not prevent well lid with the outer ring to steal.Also having a kind of is with hinge well lid to be connected, because lock can not be opened at any time.

Summary of the invention

The purpose of this utility model provides a kind of anti-stealing manhole cover that has key.

The purpose of this utility model is to realize with following technical scheme, a kind of anti-stealing manhole cover that has key, be by well lid, walling crib and key are formed, it is characterized in that: on well lid, be provided with lockhole, in the bottom of well lid the dead bolt bar that can regulate with key being installed is separated or contacts with walling crib, the inner of dead bolt bar is poroid, key is a T shape, the hypomere of handle and an overcoat are threaded, and the overcoat upper end is the spacing boss in two rank, with the lockhole embedding mutually of well lid, the bottom of overcoat is hinge and is connected with swing arm, and the bottom of swing arm is equipped with the finger that is 90 degree.

Described dead bolt bar can be two, and the pitch of holes of two dead bolt bars is that the distance that is 180 two fingers when spending is opened in swing arm.

Described swing arm can be two.

The handle of described key and overcoat are bolt locking, and the handle of key is provided with pilot pin, and the upper end of overcoat is provided with positive stop lug boss and lockhole embedding mutually, and the boss below is a L shaped guide groove, matches with the pilot pin of key handle.

Described dead bolt bar is to be inserted in the holder and to be provided with limiting stand, and the hole of the finger of swing arm and dead bolt bar is socket.

The number of described finger can be more than one, is shaped as to be circle, triangle, pros, semicircle.

Described key is that the handle of a T shape can be made the handle that well lid is opened.

Application principle of the present utility model is: the key that is threaded: key is inserted lockhole to the positive stop lug boss place, twist the handle to the right, driving activity swing arm changes into horizontal from vertical configuration, tighten lock bolt then, this moment, the dead bolt bar was fixed into " T " shape for two tongue keys, the dead bolt bar is that single tongue key is fixed as " 7 " shape, and the finger of swing arm end is inserted in the pin-shifting hole at dead bolt bar end, mention key to exposing positive stop lug boss this moment, clockwise rotate key then, the key finger drives the key bar and moves right to dead bolt disengaging walling crib, at this moment holds handle and up carries, and well lid promptly is opened.During manhole cover, rotate counterclockwise key, drive the dead bolt bar and move to left to dead bolt and block walling crib, well lid can not be mentioned.Then, key is put into lockhole again unscrew lock bolt to the positive stop lug boss place, the anticlockwise handle, swing arm just can be taken out key from horizontal answer vertical configuration.Guide groove pilot pin formula key is that key is inserted lockhole, press down handle, handle is with the activity swing arm driving, from vertical configuration steering horizontal shape, alignment pin on the handle moves on to the guide hole lower end at this moment, dextrorotation handle Xiao Xu sends alignment pin into the horizontal end of guide hole, tighten lock bolt, the dead bolt bar is two tongue keys, and it is that single tongue key is fixed as " 7 " shape that key is fixed as " T " dead bolt bar, and the finger of swing arm end is inserted in the pin-shifting hole of dead bolt bar end, clockwise rotate key this moment, the key finger drives the dead bolt bar and moves right to dead bolt disengaging walling crib.At this moment, hold the key handle and up carry, well lid promptly is opened.During manhole cover, rotate counterclockwise key, drive the dead bolt bar and move to left, well lid can not be mentioned to dead bolt screens walling crib.Then, unscrew lock bolt, left-handed handle Xiao Xu up carries, and swing arm this moment is from the horizontal vertical configuration that changes into, on carry key and take out.

The utility model has the advantages that: the well lid bottom can be equipped with one or more dead bolt bars, and well lid can not be opened without key; Lockhole be through hole can be located at well lid central authorities or keep to the side edge all can, nature or artificial the obstruction can not taken place, cause the phenomenon that can not open; Key can replace the handle of well lid simultaneously; The distance of dead bolt bar and lockhole can be regulated, the length that is swing arm can be regulated, the number that the shape of swing arm end finger can be circle, triangle, pros, semicircle etc. and finger can be the terminal pin-shifting hole of dead bolt bar single or multiple, that match with it can do corresponding change, avoids industry and the identical drawback of zonal key.This anti-stealing manhole cover is applicable to well lid and walling crib separate type and hinge interconnection system simultaneously.

Description of drawings

Fig. 1 structural representation of the present utility model

The A-A sectional view of Fig. 2 Fig. 1

The be threaded structural representation of key of Fig. 3

The right view of Fig. 4 Fig. 3

The structural representation of Fig. 5 guide groove pilot pin formula key

The right view of Fig. 6 Fig. 5

The upward view of Fig. 7 Fig. 3

Fig. 8 well lid schematic diagram

The upward view of Fig. 9 Fig. 5

Among the figure: 1-walling crib 2-well lid 3-key 4-lockhole 5-dead bolt bar 6-pin-shifting hole 7-holder 8-limiting stand 9-swing arm 10-key handle 11-key bolt 12-key overcoat 13-two rank positive stop lug boss 14-hinge 15-finger 16-pilot pin 17-guide groove 18-positive stop lug boss

The specific embodiment

Further describe the utility model below in conjunction with accompanying drawing: a kind of as depicted in figs. 1 and 2 anti-stealing manhole cover that has key is by well lid 1, and walling crib 2 and key 3 are formed, and are provided with lockhole 4 on well lid 1, referring to shown in Figure 8; In the bottom of well lid the dead bolt bar 5 that can regulate with key being installed is separated or contacts with walling crib 2, the inner of dead bolt bar 5 is poroid, key is a T shape as shown in Figure 3 and Figure 4, and handle 10 hypomeres and an overcoat 12 of key are threaded, referring to shown in Figure 7; Overcoat 12 upper ends are the spacing boss 13 in two rank, and with lockhole 4 embedding mutually of well lid 1, the bottom of overcoat 12 is hinge 14 and is connected with two swing arms 9, and the bottom of swing arm 9 is equipped with the fingers 15 that are 90 degree.Dead bolt bar 5 is two, and hole 6 spacings of two dead bolt bars are that the distance that is 180 two fingers 15 when spending is opened in two swing arms.Dead bolt bar 5 is to be inserted in 7 li of holders and to be provided with limiting stand 8, and the finger 15 of swing arm 9 is socket with the hole of dead bolt bar 5, and finger is square.Key 3 is that the handle 10 of a T shape can be made the handle that well lid is opened.

Embodiment 2 is as shown in Figure 5 and Figure 6: ditto described, and only be that key handle 10 is bolt 11 lockings with overcoat 12, key handle 10 is provided with pilot pin 16, and the upper end of overcoat 12 is provided with positive stop lug boss 18 and lockhole 4 embedding mutually, referring to Fig. 9; The boss below is a L shaped guide groove 17, matches with the pilot pin 16 of key handle 10.

Embodiment 3, key bar are simple pendulum arm, are applicable to the hinged well lid of well lid and walling crib, the key bar in the position of well lid bottom will with the hinge corresponding section.

Embodiment 4, key bar are three swing arms, and the position that the dead bolt bar is installed in the well lid bottom is a trisection well lid edge.

Embodiment 5, key bar are four swing arms, and the position that the dead bolt bar is installed in the well lid bottom is a quartering well lid edge.

Claims

1, a kind of anti-stealing manhole cover that has key, be by well lid, walling crib and key are formed, it is characterized in that: on well lid, be provided with lockhole, in the bottom of well lid the dead bolt bar that can regulate with key being installed is separated or contacts with walling crib, the inner of dead bolt bar is poroid, key is a T shape, the handle hypomere and an overcoat of key are threaded, the overcoat upper end is the spacing boss in two rank, with the lockhole embedding mutually of well lid, the bottom of overcoat is hinge and is connected with swing arm, and the bottom of swing arm is equipped with the finger that is 90 degree.

2, a kind of anti-stealing manhole cover that has key according to claim 1, it is characterized in that: described dead bolt bar can be two, and the pitch of holes of two dead bolt bars is that the distance that is 180 two fingers when spending is opened in swing arm.

3, a kind of anti-stealing manhole cover that has key according to claim 1, it is characterized in that: described swing arm can be two.

4, a kind of anti-stealing manhole cover that has key according to claim 1, it is characterized in that: described key handle and overcoat are bolt locking, the key handle is provided with pilot pin, the upper end of overcoat is provided with positive stop lug boss and lockhole embedding mutually, the boss below is a L shaped guide groove, matches with the pilot pin of key.

5, according to claim 1 or 4 described a kind of anti-stealing manhole covers that have key, it is characterized in that: described dead bolt bar is to be inserted in the holder and to be provided with limiting stand, and the hole of the finger of swing arm and dead bolt bar is socket.

6, according to claims 1 described a kind of anti-stealing manhole cover that has key, it is characterized in that: the number of described finger can be more than one, is shaped as to be circle, triangle, pros, semicircle.

7, according to claims 1 described a kind of anti-stealing manhole cover that has key, it is characterized in that: described key is that the handle of a T shape can be made the handle that well lid is opened.