CN2679308Y - Anititheft lock and key thereof for manhole cover of urban installation - Google Patents

Abstract

The utility model relates to an anititheft lock and key thereof for manhole cover of urban installation which is characterized in that the anititheft lock and key thereof for manhole cover of urban installation comprises a lock body arranged on the manhole cover and a key inserted into the lock body. The lock body is composed of a lock cylinder which is fixed on the manhole cover by a nut and the upper and lower covers of the lock which is fixed at the lower end of the lock cylinder by other nut. The key is formed by a guide sleeve barrel and a rotary handle key piece sleeve barrel which are overlapped together fixing the key piece draw rod. The lower cover of the lock can be rotating arranged under the upper cover of the lock. A spring is arranged between the upper cover and the lower cover. The key piece at the lower end of the rotary handle key piece sleeve barrel in the key is provided with a key head which is corresponding to the spring. A shifting fork and a dead bolt are arranged at one side of the lower cover. A key handle can open thousands of locks, but any lock is not repeated. The technique of the key to open the lock has high requirement. The anititheft lock and key thereof for manhole cover of urban installation is not easy to copy and is few and does not flow to society. The program is not easy to decode. The different units in one city can not use the a 010 number key of this unit to open the a 010 number manhole cover that unit. The safety factor can reach 100%.

Description

Urban public utilities manhole cover anti-theft lock ﹠ key

Technical field

The utility model relates to the lock ﹠ key of urban public utilities well lid.

Background technology

Urban public utilities are a lot of at present, and these communal facilitieies all need be added a cover sealing, as the running water valve well of avenue both sides, following water manhole, the pipeline manhole of post and telecommunications, communication, fuel channel valve well or the like.But these well lids generally do not lock, so stolen and because the dispute behind very big inconvenience that brings to people behind the stolen well lid and wound, the people that dies of well lid often takes place.Being the difficult problem that makes city managers very have a headache, also is the big problem that numerous townsfolks' an urgent demand solves.

Summary of the invention

The purpose of this utility model is improved at shortcoming that exists in the background technology and problem, provides a kind of firm in structure, spoonful many locks, difficult imitation, survivable urban public utilities manhole cover anti-theft lock ﹠ key opened.

The technical scheme that realizes the utility model purpose is: the utility model comprises the lock body that is located on the well lid and can insert the key of lock body, lock body by a nut be fixed on well lid up and down lock core and by another nut be fixed on the locking of lock core lower end, lower cover is formed, key is made up of the fixing spoon of sheet pull bar of pilot sleeve, swing handle spoon sheet sleeve that is nested in together.That locks wherein that lower cover can rotate mutually is located at the upper cover of lock below, is provided with pellet shot from a slingshot between the upper and lower cover, and the spoon sheet of swing handle spoon sheet sleeve lower end is provided with the spoon point corresponding with pellet shot from a slingshot, and a side of lock lower cover is provided with shift fork and dead bolt.The unlatching door lock heart of general lockset all is observable, and this lock most critical technology is exactly that the people can't see lock core, does not also open door, opens so can't prize.

The utility model has following advantage:

1, one the shank of the key driven ten million lock (each administrative office only need the shank of the key), when unblanking, see the well lid number, (we work out jack per station for every lock to the special numbering of contrast code book assembling key piece again, as A02 dress during key according to the number of our establishment in advance on this assembling of A02 pattern get final product), assembling once can only be opened a well lid, we can say that neither one is repetition, and mounting or dismounting are very easy, simple.

2, open the key manufacturing technology requirement extra-high-speed of this lock, cost is big, is difficult for copying, and whole quantity is few.Generally can not flow to society, whole programming is difficult for cracking.Copied key exactly, be ignorant of open method and can not open this lock.

3, portal is not opened core, and is survivable.

4, Suo unlatching side is under cover plate, and key is gone into to bloom behind the hole and revealed a spoon sheet, this be at present in the world key tool circle also do not have, be state-of-the-art method.

5, cost is low.Each lock body cost can not be higher than 10 yuan, is convenient to use in a big way.

Description of drawings

Fig. 1 is the well lid partial view

Fig. 2 is that Figure 1A is to view and Fig. 4 B-B sectional drawing

Fig. 3 is the upper cover of lock view

Fig. 4 is a lock lower cover view

Fig. 5 is fixing spoon sheet pull bar view

Fig. 6 is a swing handle spoon sheet sleeve view

Fig. 7 is that Fig. 6 A is to view

Fig. 8 is the pilot sleeve view

Fig. 9 is a swing handle spoon sheet expanded view

Figure 10 is Fig. 9 upward view

Figure 11 is the closed figure of Fig. 9 spoon sheet

Figure 12 is the key assembling drawing

Figure 13 is lock body and key hand-hole assembling drawing

The specific embodiment

As shown in Figure 13, the utility model comprises the lock body that is located on the well lid and can insert the key of lock body, lock body by a nut (6) be fixed on the well lid (18) lock core (5) and by another nut (14) be fixed on the locking of lock core lower end, lower cover (17,10) is formed, key is made up of the pilot sleeve (4), swing handle spoon sheet sleeve (3) the fixing spoon sheet pull bar (1) that are nested in together.That locks wherein that lower cover (10) can rotate mutually is located at the upper cover of lock below, be provided with pellet shot from a slingshot (9) between the upper and lower cover, the spoon sheet (3) of swing handle spoon sheet sleeve (3) lower end in the key is provided with the spoon point (12) corresponding with pellet shot from a slingshot (9), and a side of lock lower cover (10) is provided with shift fork (101) and dead bolt (11).

Lock core described in the utility model (5) is a through hole king-bolt.Upper cover of lock described in the utility model (17) is provided with the hole that shoots son (9) and spring (8), is provided with pilot pin (16) in the relative one side of lower cover, and another side is provided with bolt (7).Lock lower cover described in the utility model (10) be provided with the pellet shot from a slingshot hole position corresponding with loam cake and with spoon sheet (13) corresponding groove, be provided with the deep-slotted chip breaker (121) corresponding in the relative one side of loam cake with pilot pin (16).Key guide cylinder described in the utility model (4) upper end is a plane (41), and the lower end is provided with guiding steel ball (42).Key swing handle spoon sheet sleeve described in the utility model (3) upper end is provided with a lever (31), the lower end has a spoon film trap (33) on four sides, folding being contained in the groove of spoon sheet (13) articulated by bolt (131), have a spring groove on spoon sheet (13), spring (15) is located in the spring groove on the bolt (131).The upper end of key described in the utility model fixing spoon sheet pull bar (1) is provided with moveable cap (1001), be with butterfly nut (2) on the bar, the middle and upper part of pull bar (1) is established one section screw thread (1002) and is connected with butterfly nut (2), and the lower end of pull bar (1) is a bung head (1003).

Use operating process of the present utility model: the utility model is installed on the well lid, on well lid, open a hole, the lock core of lock body (5) is a hollow bolt, the lower end of bolt is installed and is locked, lower cover (17,10), lock lower cover relative loam cake can rotate an angle, but must just can make the lower cover rotation by the passage that key is opened the pellet shot from a slingshot hole.Key of the present utility model is that two sleeves are together nestable, the centre refills a fixing spoon sheet pull bar, outer field is pilot sleeve (4), the inside is the swing handle spoon sheet sleeve (3) of band spoon sheet, its spoon sheet is four four spoon points (12) above every, insert pilot sleeve (4) after the spoon sheet is folded into vertical shape, to fix spoon sheet pull bar (1) again and inject swing handle spoon sheet sleeve (3), then pilot sleeve (4) is injected in the lock core (5), the back spoon sheet that puts in place flicks the spoon sheet crosswise under the effect of spring (15), again pull bar (1) is moved to parallel with spoon from spoon sheet lower end, the position that again butterfly nut (2) is screwed into lever (31) prevents a spoon sheet return, at this moment the spoon point has been aimed at the position, hole of pellet shot from a slingshot (9), and pellet shot from a slingshot (9) pushed up back upper cover of lock (17), turn is held bright (31) can drive lock lower cover (10) and rotate and by shift fork (101) dead bolt (11) is extracted out from snap close (110), at this moment can open locking closure (18).Position according to spoon sheet spoon point is composed of number on each spoon sheet, also compile to go up on each well lid and spoon identical number of sheet, can accomplish that promptly a shank of the key drives ten million lock.

Claims (7)

1, a kind of urban public utilities manhole cover anti-theft lock ﹠ key, it is characterized in that comprising lock body that is located on the well lid and the key that can insert lock body, lock body by a nut (19) be fixed on the well lid (18) lock core (5) and by another nut (14) be fixed on the locking of lock core lower end, lower cover (17,10) is formed, key is made up of the pilot sleeve (4), swing handle spoon sheet sleeve (3) the fixing spoon sheet pull bar (1) that are nested in together.Wherein lock lower cover (10) and can counterrotatingly be located at the upper cover of lock below, be provided with pellet shot from a slingshot (9) between the upper and lower cover, the spoon sheet (3) of swing handle spoon sheet sleeve (3) lower end is provided with the spoon point (12) corresponding with pellet shot from a slingshot (9), and a side of lock lower cover (10) is provided with shift fork (101) and dead bolt (11).

2, urban public utilities manhole cover anti-theft lock ﹠ key according to claim 1 is characterized in that described lock core (5) is a through hole king-bolt.

3, urban public utilities manhole cover anti-theft lock ﹠ key according to claim 1 is characterized in that described upper cover of lock (17) is provided with the hole that shoots son (9) and spring (8), is provided with pilot pin (16) in the relative one side of lower cover, and another side is provided with bolt (7).

4, urban public utilities manhole cover anti-theft lock ﹠ key according to claim 1, described lock lower cover (10) be provided with the pellet shot from a slingshot hole position corresponding with loam cake and with spoon sheet (13) corresponding groove, be provided with the deep-slotted chip breaker (121) corresponding in the relative one side of loam cake with pilot pin (16).

5, urban public utilities manhole cover anti-theft lock ﹠ key according to claim 1, described key guide cylinder (4) upper end is a plane (41), the lower end is provided with guiding steel ball (42).

6, urban public utilities manhole cover anti-theft lock ﹠ key according to claim 1, described key swing handle spoon sheet sleeve (3) upper end is provided with a lever (31), the lower end has a spoon film trap (33) on four sides, folding being contained in the groove of spoon sheet (13) articulated by bolt (131), have a spring groove on spoon sheet (13), spring (15) is located in the spring groove on the bolt (131).

7, urban public utilities manhole cover anti-theft lock ﹠ key according to claim 1, the upper end of described key fixing spoon sheet pull bar (1) is provided with moveable cap (1001), be with butterfly nut (2) on the bar, the middle and upper part of pull bar (1) is established one section screw thread (1002) and is connected with butterfly nut (2), and the lower end of pull bar (1) is a bung head (1003).

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