CN203238670U - Anti-theft device for inspection well - Google Patents
Anti-theft device for inspection well Download PDFInfo
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- CN203238670U CN203238670U CN 201320294175 CN201320294175U CN203238670U CN 203238670 U CN203238670 U CN 203238670U CN 201320294175 CN201320294175 CN 201320294175 CN 201320294175 U CN201320294175 U CN 201320294175U CN 203238670 U CN203238670 U CN 203238670U
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- inspection well
- well cover
- driving lever
- hole
- theft device
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Abstract
An anti-theft device for an inspection well comprises an inspection well cover and an inspection well seat. The inspection well cover is placed in the inspection well seat. At least one anti-theft device set is arranged on the lower end face of the inspection well cover. Each anti-theft device comprises at least two locking devices which are arranged in parallel. The locking devices are integrally formed through stirring rods. The locking devices and locking holes in the inspection well seat are matched in a limiting mode through the stirring rods. Opening holes corresponding to the locking devices and stirring rod holes corresponding to the stirring rods are formed in the inspection well cover. The anti-theft device is simple in structure and good in durability and reliability, the number of lock tongues can be rearranged, so that the anti-theft device is adaptive to different application places, the anti-theft performance is flexible and variable, a plurality of special pins need to be combined for opening, so that the anti-theft performance is good, and opening and locking are easy and convenient, the well cover can be made of common cast iron materials, and accordingly the anti-theft device has good intensity and damping performance.
Description
Technical field
The utility model relates to the municipal engineering technical field, and is especially a kind of for the anti-theft device on the inspection shaft.
Background technology
Main method and device that the city solves manhole cover anti-theft at present have: (1) is in the improvement of using on the material, as use nonmetals cheap, that do not have much recovery values to replace metal material to reach antitheft purpose, but being intensity, its shortcoming is not so good as the height of metal material, damping property does not have cast iron good, and aging speed is fast, because inspection well cover does not have locking, the heavy rain flood occurs and easily be flushed away loss, cause potential safety hazard.(2) use common lockset to pin inspection well cover, because inspection well cover is placed horizontally at ground, common lockset keyhole easily enters foreign matter and blocks, thereby causes it to open, and its use is subject to larger restriction.(3) use special-purpose anti-theft device, these devices have bayonet type with lock, hinge coordinated type with lock etc., its maximum common ground is that comparatively complexity and ubiquity rotarily open link to most structure, revolute easily lost efficacy when entering foreign matter or material corrosion, occur rotating dumb or stuck phenomenon, also make to a certain extent its use limited.Therefore, all there is larger shortcoming in above-mentioned main stream approach, very large restriction is arranged in present use, so plain cast iron inspection well covers that still do not add anti-theft device that adopt in a large number in the city at present, in recent years because of its easy stolen losing, the casualties and other the relevant accidents that cause lost of common occurrence, and consequence is all more serious.
Summary of the invention
It is a kind of for the anti-theft device on the inspection shaft that the utility model provides, for solve inspection well cover to possess antitheft, durable, be easy to open and have the combination properties such as good intensity and damping property, overcome the existing shortcoming of above-mentioned existing main stream approach.
In order to solve the problems of the technologies described above, the technical solution of the utility model is as follows: a kind of for the anti-theft device on the inspection shaft, comprise inspection well cover and inspection well seat, inspection well cover is placed in the inspection well seat, it is characterized in that: be provided with at least one group of anti-theft device on the lower surface of inspection well cover, every group of anti-theft device is comprised of two locking devices that are arranged in parallel at least, be integrally formed by driving lever between the locking device, locking device consists of spacing the cooperation by driving lever with lockhole on the inspection well seat, also is provided with the open hole corresponding with locking device and the driving lever hole corresponding with driving lever on inspection well cover; Described locking device, comprise the axle sleeve that is connected on the inspection well cover, the axle sleeve lid is equipped with at the lower port place of axle sleeve, be provided with successively from bottom to top axle spring and mandrel in the chamber of axle sleeve, the upper end of mandrel is extended with pin, pin is pushed in the open hole by axle spring, also be provided with radial direction through hole on the mandrel, radial direction through hole on the mandrel communicates with the fairlead that is arranged on the axle sleeve both sides, be provided with push rod in the fairlead, one end of push rod cooperates with mandrel is spacing, the other end of push rod stretches out and is connected with connecting pin, and a side of connecting pin is connected with driving lever, and the other end of connecting pin is connected with dead bolt, dead bolt is arranged on inspection well cover in the lock housing of downward-extension, dead bolt is pushed into consist of spacing cooperation in the lockhole on the inspection well seat.
To the further improvement of technique scheme, also be provided with on the described inspection well cover with driving lever and lock friction tight anti-slip device; Described anti-slip device, comprise pedestal, pedestal is placed in the through hole of inspection well cover upper surface, the upper surface of pedestal is provided with axial blind hole, the bottom of the pedestal driving lever stopper slot that concaved, and a side of pedestal is provided with radial hole, radial hole communicates with axial blind hole and driving lever stopper slot, the port of radial hole is provided with port lid, and ecto-entad is provided with spring and bayonet lock successively in the chamber of radial hole, and bayonet lock is connected with the shifting block that is arranged on the pedestal upper end by connecting rod.
Beneficial effect: only have moving sets secondary without spin in the utility model, and thereby the dead bolt moving sets can strengthen the gap and prevents that foreign matter and corrosion from be obstructed its slip, the key components and parts size hinge at position of unblanking is little, available stainless steel material is with anticorrosion and save cost, also is difficult for corrosion because these parts all are enclosed in to be hedged off from the outer world in the inner sleeve.So this apparatus structure is simple, durability, good reliability, can recombinate because of dead bolt quantity again, to adapt to different application scenarios, its theftproof performance is flexible and changeable, opens because need make up a plurality of dowel specials, and theftproof performance is good, and unlatching, locking are simple and convenient, thereby the well lid material still can use the plain cast iron material to make it still have good intensity and damping property.
Description of drawings
Fig. 1 is front view of the present utility model.
Fig. 2 is the schematic diagram of A-A among Fig. 1.
Fig. 3 is sectional block diagram of the present utility model.
Fig. 4 is the partial enlarged drawing of C among Fig. 1.
Fig. 5 is the partial enlarged drawing of B among Fig. 2.
Fig. 6 is the anti-slip device front view in the utility model.
Fig. 7 is the anti-slip device top view in the utility model.
Fig. 8 and Fig. 9 are the locking device distribution schematic diagrams in the utility model.
1 is inspection well cover among the figure, the 2nd, and inspection well seat, the 3rd, locking device, the 4th, driving lever, the 5th, lockhole, the 6th, open hole, the 7th, the driving lever hole, 3-a is axle sleeve, 3-b is the axle sleeve lid, 3-c is axle spring, and 3-d is mandrel, and 3-e is pin, and 3-f is fairlead, 3-g is push rod, and 3-h is connecting pin, and 3-i is dead bolt, and 3-j is lock housing, the 8th, anti-slip device, 8-a are pedestals, and 8-b is port lid, and 8-c is spring, 8-d is bayonet lock, and 8-e is connecting rod, and 8-f is shifting block, the 9th, open pin.
The specific embodiment
Shown in Fig. 1,2,3,4 and 5, a kind of for the anti-theft device on the inspection shaft, comprise inspection well cover 1 and inspection well seat 2, inspection well cover 1 is placed in the inspection well seat 2, at least be provided with one group of anti-theft device on the lower surface of inspection well cover 1, every group of anti-theft device is comprised of two locking devices that are arranged in parallel 3 at least, be integrally formed by driving lever 4 between the locking device 3, locking device 3 is by 5 spacing cooperations of formation of lockhole on driving lever 4 and the inspection well seat 2, also is provided with the open hole 6 corresponding with locking device 3 and the driving lever hole 7 corresponding with driving lever 4 on inspection well cover 1; Described locking device 3, comprise the axle sleeve 3-a that is screwed onto on the inspection well cover 1, axle sleeve lid 3-b is equipped with at the lower port place of axle sleeve 3-a, be provided with successively from bottom to top axle spring 3-c and mandrel 3-d in the chamber of axle sleeve 3-a, the upper end of mandrel 3-d is extended with pin 3-e, pin 3-e is pushed in the open hole 6 by axle spring 3-c, also be provided with radial direction through hole on the mandrel 3-d, radial direction through hole on the mandrel 3-d communicates with the fairlead 3-f that is arranged on axle sleeve 3-a both sides, be provided with push rod 3-g in the fairlead 3-f, the end of push rod 3-g cooperates with mandrel 3-d is spacing, the other end of push rod 3-g stretches out and is connected with connecting pin 3-h, the side of connecting pin 3-h is connected with driving lever 4, the other end of connecting pin 3-h is connected with dead bolt 3-i, dead bolt 3-i is arranged on inspection well cover 1 in the lock housing 3-j of downward-extension, and dead bolt 3-i is pushed into the spacing cooperation of lockhole 5 interior formations on the inspection well seat 2.
Shown in Fig. 6 and 7, also be provided with on the described inspection well cover 1 and the friction tight anti-slip device 8 of driving lever 4 locks; Described anti-slip device 8, comprise pedestal 8-a, pedestal 8-a is placed in the through hole of inspection well cover 1 upper surface, the upper surface of pedestal 8-a is provided with axial blind hole, the bottom of the pedestal 8-a driving lever stopper slot that concaved, the side of pedestal 8-a is provided with radial hole, radial hole communicates with axial blind hole and driving lever stopper slot, the port of radial hole is provided with port lid 8-b, ecto-entad is provided with spring 8-c and bayonet lock 8-d successively in the chamber of radial hole, and bayonet lock 8-d is connected with the shifting block 8-fl that is arranged on pedestal 8-a upper end by connecting rod 8-e.
Shown in Fig. 8 and 9, be evenly distributed in two groups of anti-theft devices on the inspection well cover 1, every group of anti-theft device is comprised of 2～4 locking devices 3, also is provided with the driving lever hole 7 and the anti-slip device 8 that match with every group of anti-theft device on inspection well cover 1.
Using method of the present utility model: when opening inspection well cover, to open pin is pressed in the open hole of inspection well cover top, available pin treads in, this moment the radial direction through hole on the mandrel axis and the axis coaxle of fairlead, removed spacing to push rod in the fairlead of mandrel, and stir driving lever with instruments such as screwdrivers and realize that namely all dead bolts are retracted in the lock housing, thereby realize that all dead bolts withdraw from lockhole, open inspection well cover; If inspection well cover is provided with many group anti-theft devices, all adopting uses the same method carries out release.In the opening process, if there is a length dimension of opening pin to be not equal to radial hole on the mandrel and the distance of shaft centers of fairlead endoporus, can not realize that all driving lever moves, thereby can not open inspection well cover, so can change radial hole on the length dimension of respectively opening pin and the corresponding mandrel and the distance of shaft centers of fairlead endoporus, the combination of realization various arrangement, thus its theftproof strengthened, can realize a kind of corresponding inspection well cover of pin length combination unlatching of opening.After inspection well cover is opened, for skidding off, the dead bolt in the anti-antitheft device comes off, concrete operations are as follows: move by stirring shifting block drive bayonet lock, bayonet lock is retracted in the radial hole on the pedestal, this moment, locking device was in open mode, again the driving lever in the anti-theft device is inserted in the stopper slot on the pedestal, unclamp shifting block, bayonet lock is by dieback under the active force of spring, realize the cooperating of bayonet lock and stopper slot spacing to driving lever, thereby the locking driving lever has prevented that driving lever from moving, and also comes off with regard to the movement that has prevented dead bolt.During the locking inspection well cover, first driving lever is removed from locking device, stir driving lever with instruments such as screwdrivers again, driving lever drives each dead bolt and is pushed in the lockhole on the inspection well seat, realizes the locking of inspection well cover.
Claims (2)
1. anti-theft device that is used on the inspection shaft, a kind of for the anti-theft device on the inspection shaft, comprise inspection well cover and inspection well seat, inspection well cover is placed in the inspection well seat, it is characterized in that: be provided with at least one group of anti-theft device on the lower surface of inspection well cover, every group of anti-theft device is comprised of two locking devices that are arranged in parallel at least, be integrally formed by driving lever between the locking device, locking device consists of spacing the cooperation by driving lever with lockhole on the inspection well seat, also is provided with the open hole corresponding with locking device and the driving lever hole corresponding with driving lever on inspection well cover; Described locking device, comprise the axle sleeve that is screwed onto on the inspection well cover, the axle sleeve lid is equipped with at the lower port place of axle sleeve, be provided with successively from bottom to top axle spring and mandrel in the chamber of axle sleeve, the upper end of mandrel is extended with pin, pin is pushed in the open hole by axle spring, also be provided with radial direction through hole on the mandrel, radial direction through hole on the mandrel communicates with the fairlead that is arranged on the axle sleeve both sides, be provided with push rod in the fairlead, one end of push rod cooperates with mandrel is spacing, the other end of push rod stretches out and is connected with connecting pin, and a side of connecting pin is connected with driving lever, and the other end of connecting pin is connected with dead bolt, dead bolt is arranged on inspection well cover in the lock housing of downward-extension, dead bolt is pushed into consist of spacing cooperation in the lockhole on the inspection well seat.
2. according to claim 1 a kind of for the anti-theft device on the inspection shaft, it is characterized in that: also be provided with on the described inspection well cover with driving lever and lock friction tight anti-slip device; Described anti-slip device, comprise pedestal, pedestal is placed in the through hole of inspection well cover upper surface, the upper surface of pedestal is provided with axial blind hole, the bottom of the pedestal driving lever stopper slot that concaved, and a side of pedestal is provided with radial hole, radial hole communicates with axial blind hole and driving lever stopper slot, the port of radial hole is provided with port lid, and ecto-entad is provided with spring and bayonet lock successively in the chamber of radial hole, and bayonet lock is connected with the shifting block that is arranged on the pedestal upper end by connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320294175 CN203238670U (en) | 2013-05-27 | 2013-05-27 | Anti-theft device for inspection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320294175 CN203238670U (en) | 2013-05-27 | 2013-05-27 | Anti-theft device for inspection well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203238670U true CN203238670U (en) | 2013-10-16 |
Family
ID=49315984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320294175 Expired - Fee Related CN203238670U (en) | 2013-05-27 | 2013-05-27 | Anti-theft device for inspection well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203238670U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105275276A (en) * | 2015-11-23 | 2016-01-27 | 周听昌 | Opening device for inner side of hole lid of escape hole |
| CN108291379A (en) * | 2015-09-14 | 2018-07-17 | Dsg有限公司 | Manhole including the device for closing and locking manhole safely |
| CN110578342A (en) * | 2019-10-10 | 2019-12-17 | 安徽水利市政园林建设有限公司 | Safety protection locking device for inspection well |
-
2013
- 2013-05-27 CN CN 201320294175 patent/CN203238670U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108291379A (en) * | 2015-09-14 | 2018-07-17 | Dsg有限公司 | Manhole including the device for closing and locking manhole safely |
| CN105275276A (en) * | 2015-11-23 | 2016-01-27 | 周听昌 | Opening device for inner side of hole lid of escape hole |
| CN110578342A (en) * | 2019-10-10 | 2019-12-17 | 安徽水利市政园林建设有限公司 | Safety protection locking device for inspection well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20160527 |