CN106065632B - Anti- return of antitheft antinoise anti-settling gushes recessive unlatching inspection well cover - Google Patents

Abstract

The present invention relates to construction project pipe technology field, and it is opened six parts such as reverse screw rod and formed by inspection well cover, base, ratchet, opening push rod, oval reverse thread tapered end, unblock；Inspection well cover bottom surface is trapezoidal to prevent snare from being connected to pressure-resistant rubber circle noise-proofing；Trapezoidal to prevent circle from depressing ratchet when inspection well cover is placed to base, the elastic force of push rod spring by lever and ratchet joining beam passes to ratchet, and that trapezoidal prevention circle is held out against into locking is antitheft；During unlatching, reverse thread pressure-resistant rubber plug, gib head taper stock key and oval reverse thread tapered end are taken out, unblock opens reverse screw rod from oval reverse thread lockhole precession, circular cone bucket connects with circular cone top stem casing, promote lever and ratchet is given up the throne unblock by ratchet joining beam, now lever just pushes up strip and opens solution lockhole upper end, and the propulsive force that reverse screw rod is opened in unblock is opened inspection well cover recessiveness by lever and opening push rod；Detent mechanism case, pressure-resistant rubber circle flange face and road surface flange face increase and the anti-settling of road contact face at many levels.

Description

Anti- return of antitheft antinoise anti-settling gushes recessive unlatching inspection well cover

Technical field

The present invention relates to construction project pipe technology field, antitheft antinoise anti-settling is anti-return gush recessive inspection well cover of opening should The inspection shaft variously-shaped for all size in construction project pipeline.

Background technology

Inspection shaft is that road, communication, plumbing, electric power, combustion gas, heating power, fire-fighting, environmental sanitation, cell, school etc. divide into variously The gateway applied, inspection well cover are the goalkeepers of discrepancy inspection shaft, are essential facilities in construction project pipeline, with city Modernization develops rapidly, and the quantity of all kinds of inspection shafts is also sharply increasing, and it will not only ensure the coast is clear and traffic pedestrian Safety, the image in city is also embodied to a certain extent.In current inspection well cover in the market, there are iron chains, hinge-coupled, seam anti- The anti-stealing manhole cover of the various methods such as rotation, bolt plug-hole, tapered end key, but its theftproof performance is still very low, and burglar can be easily Connector is destroyed, causes inspection well cover again and again stolen；Meet rainstorm weather municipal drainage inspection shaft and return and emerge in large numbers as easily washing away inspection well cover, Causing inspection well cover to lack, and be inundated with flood and be not easy to be found, inspection shaft becomes trap, causes personnel casualty accidentses, although now with Installed anti-drop net additional, but still serious potential safety hazard can be also left to vehicular traffic and walk；Some inspection well cover notes Weighed it is antitheft but have ignored unlatching, noise, anti-settling, anti-return are gushed and rust protection, finally oneself be also difficult to open, cannot be introduced into basement Well works.

The content of the invention

It is an object of the present invention to overcome the above mentioned deficiencies, it is that one kind can effectively antitheft and can antinoise anti-settling be anti-returns Gush and the recessive inspection well cover opened.Can be in place by floor installation in the engineering construction stage, cover the size as inspection well cover Wooden inspection well cover, and 4 eye-catching face security warning flags are inserted on 4 security warning flag jacks, than existing rubber plastic It is not easily shifted that safe cone cylinder does safety sign accurate positioning, ensures that driving and personal security, eliminates the construction operation phase Between fall the potential safety hazard of inspection shaft.Wooden safety cover plate is taken out after Practical Completion, is sent out this by trained professional Bright oval reverse thread tapered end, ratchet, opening post rod mechanism install and cover inspection well cover, and the present invention installs.If Rainstorm weather is met, the trapezoidal prevention circle of inspection well cover is held out against locking and do not loosened by ratchet of the present invention, and inspection well cover staples together with base It is locked, drain well lid is also prevented from antitheft while is returned the current that gush washing away, eliminate inspection shaft and become trap, it is ensured that vehicle Traffic and the safety of walk.Pressure-resistant rubber circle is placed on the space of a relative closure, even if its fragment still exists after crushing The space of this closing plays the function of shockproof antinoise, can also adjust inspection well cover by increasing and decreasing pressure-resistant rubber number of turns amount or thickness Height.Added at many levels because the present invention is designed with detent mechanism case, pressure-resistant rubber flange face and road surface flange face With the contact surface of road, good anti-settling function is served.

The purpose of the present invention can so reach, applied to the various inspection well covers in construction project pipeline, be by inspection well cover, Six parts such as reverse screw rod composition is opened in base, ratchet, opening push rod, oval reverse thread tapered end, unblock.

Inspection well cover with it is trapezoidal prevent circle, reinforcement and cipher mark thin-walled blind hole be it is integrated poured form, pressure-resistant rubber circle It is socketed in outside trapezoidal prevention circle, the trapezoidal outer surface requirement for preventing circle has coarse ring-shaped.

Base is integrated poured detent mechanism case, pressure-resistant rubber circle flange face, road surface flange face and security warning flag jack, Oval reverse thread lockhole and opening jogger hole are provided with above detent mechanism case, lockhole is provided with oval reverse thread lockhole Keyway, both sides are provided with ratchet rotating shaft mounting groove and lever shaft mounting groove in detent mechanism case.

Ratchet and ratchet drag hook are integrated member, and one end of ratchet and ratchet joining beam is actively coupled with pivot pin, ratchet upper end It is actively coupled with ratchet rotating shaft, ratchet rotating shaft socket ratchet and ratchet rotating shaft self-locking spring, ratchet rotating shaft both ends are socketed with ratchet Rotating shaft self-locking ring, the width of ratchet rotating shaft mounting groove is more bigger than the diameter of ratchet rotating shaft to be easily installed, ratchet rotating shaft mounting groove Width it is smaller than the race diameter of ratchet rotating shaft self-locking ring be easy to self-locking, the end Circularhole diameter of ratchet rotating shaft mounting groove than The race diameter of ratchet rotating shaft self-locking ring is bigger to be easily installed, and ratchet rotating shaft mounting groove opening is provided with certain slope and is easy to pacify Dress, ratchet rotating shaft both ends alignment ratchet rotating shaft mounting groove are precisely installed, and when ratchet is installed in place, ratchet rotating shaft self-locking ring is in ratchet Self-locking is in place in the presence of rotating shaft self-locking spring elastic force.

Opening push rod is socketed with push rod spring and push rod spring packing ring, and strip opens solution lockhole and thick stick below opening push rod Bar lower end is actively coupled with removable pivot pin, and circular cone push rod, the other end of ratchet joining beam and lever are that pivot pin is actively coupled, Lever shaft is socketed with lever and lever shaft self-locking spring, and lever shaft both ends are socketed with lever shaft self-locking ring, and lever turns The width of axle mounting groove is more bigger than the diameter of lever shaft to be easily installed, and the width of lever shaft mounting groove is than lever shaft self-locking The race diameter of ring is small to be easy to self-locking, and the end Circularhole diameter of lever shaft mounting groove is more straight than the outer ring of lever shaft self-locking ring Footpath is bigger to be easily installed, and lever shaft mounting groove opening is provided with certain slope and is easily installed, the both ends alignment of lever shaft Lever shaft mounting groove is precisely installed, while pays attention to allowing circular cone push rod to be directed at oval reverse thread lockhole lower end, and lever is installed to During position, the self-locking under the elastic force effect of lever shaft self-locking spring of lever shaft self-locking ring is in place.To be socketed with push rod spring and Strip below the opening push rod of push rod spring packing ring is opened solution lockhole and is actively coupled with lever lower end with removable pivot pin.

Oval reverse thread tapered end is rotated in place with elliptical aperture unlocking sleeve from oval reverse thread lockhole, reverse thread lock Head keyway aligns with lockhole keyway and gib head taper stock key insertion is reached into close fit requirement, reverse thread tapered end is locked, Ran Houyong Reverse thread pressure-resistant rubber plug is rotated in place by the coarse annular end face of circular cone bucket bottom surface tip-like that reverse screw rod is opened in unblock.

Unblock opens reverse screw rod lower end and is provided with circular cone bucket, and the bottom surface of circular cone bucket is arranged to the coarse annular end of tip-like Face, upper end are welded with handle, and handle one end is elliptical aperture unlocking sleeve, and one is placed in the handle other end gib head taper stock key reverse thread Bar.

When inspection well cover is installed, after checking that the installation of the accessories such as ratchet, opening push rod is correct, pressure-resistant rubber snare is connected on trapezoidal Prevent on circle, when inspection well cover is installed into base, its trapezoidal prevention circle presses down ratchet, and the elastic force of push rod spring passes through lever Ratchet is delivered to ratchet joining beam trapezoidal prevention circle is held out against locking and do not loosened, so as to realize that antitheft anti-return gushes antinoise function, Inspection well cover installs.

When opening inspection well cover, the coarse annular end face of circular cone bucket bottom surface tip-like that reverse screw rod is opened with unblock will be reverse Screw thread pressure-resistant rubber plug is spun out, and the hole precession of gib head taper stock key reverse screw rod alignment gib head taper stock key reverse thread is taken out out of handle will Gib head taper stock key takes out, and is spun out oval reverse thread tapered end with elliptical aperture unlocking sleeve, after lubricating oil of being added some points in circular cone bucket, Unblock is opened into reverse screw rod from the rotation of oval reverse thread lockhole to enter, now circular cone top stem casing is connected in circular cone bucket sliding Dynamic, while promote lever and ratchet is given up the throne unblock by ratchet joining beam, now lever, which just pushes up strip and opened, solves lockhole Upper end complete unblock stroke, unblock open reverse screw rod propulsive force opening push rod is transmitted to by circular cone push rod and lever Inspection well cover is risen into unlatching.

Unexpected measure, if opening push rod and ratchet surprisingly fail, it can be entered with steelwire sleeve from oval reverse thread lockhole Enter to be socketed and pull ratchet drag hook to unlock ratchet, the gap anti theft design of inspection well cover and base is non-porous for slit, and crowbar can not Intervention is pried open, and can drill through cipher mark thin-walled blind hole, also can be by tapping sound come the position of searching password mark thin-walled blind hole Put and drilled through, Reinforced hook is put in from the cipher mark thin-walled blind hole drilled through, inspection well cover is opened and overhauled.

The present invention has the following advantages that compared with prior art

1st, anti-theft is good, and design reverse thread is opposite with the screw thread commonly used in society to form first of anti theft design；Design Detent mechanism trapezoidal prevention circle is held out against locking and does not loosen to form second anti theft design；The gap of inspection well cover and base is antitheft It is non-porous to be designed as slit, any crowbar, which can not be intervened, to be pried open to form the 3rd anti theft design；Oval reverse thread tapered end is to sink to Lockhole depths simultaneously adds lubricating oil antirust, compared with the quincunx special-shaped tapered end of grade of other triangles, is simply although ellipse is antitheft Very effectively, not using professional tool because have lubricating oil with what pliers all it is bad clamp rotation and form the 4th antitheft set Meter；Gib head taper stock key is to be fitted close with oval reverse thread tapered end, also without the use of professional tool being also that bad prize is come, is formed 5th anti theft design；All mechanisms are all the recessive anti theft designs of formation the 6th；Therefore anti-theft is good.

2nd, hidden keeping away property is good, and all mechanisms of the present invention are recessiveness, due to needing professional to be pacified after Practical Completion Opening push rod, detent mechanism and inspection well cover are filled, therefore, opening technology maintains secrecy during engineering construction；Later unlatching is installed The connector of inspection well cover hidden keep away can not spy in detent mechanism case, therefore hidden keeping away property is good.

3rd, security is good, can be in place by floor installation during engineering construction, and 4 face security warning flags are inserted into 4 On security warning flag jack, the cheap eye-catching safety of safety sign is not easy to wash away loss, covers of a size wooden with inspection well cover Inspection well cover, the potential safety hazard for the inspection shaft that fallen during eliminating construction operation.Such as rainstorm weather, ratchet of the present invention is by inspection well cover Trapezoidal prevention circle holds out against locking and not loosened, and inspection well cover staples together locked with base, is also prevented from drain well antitheft while Lid is returned the current that gush and washed away, and is eliminated inspection shaft and is become trap, it is ensured that the safety of vehicular traffic and walk.Such as special feelings Condition, which can plug cheap 4 eye-catching face security warning flags, ensures safety, therefore security is good.

4th, anti-shock impact-resistant antinoise is good, and pressure-resistant rubber circle increases resistance to compression face compared with existing not only thin but also narrow rubber strip Product, and the space of a relative closure is placed on, even if its fragment still plays anti-shock impact-resistant in the space of this closing after crushing The function of antinoise, fulfil the function of first of anti-shock impact-resistant antinoise；Can also be by increasing, subtracting pressure-resistant rubber number of turns amount or thickness Spend to adjust the height of inspection well cover and road surface；Devise ratchet prevents circle from coordinating with trapezoidal, and the trapezoidal outer surface for preventing circle will Ask and be fabricated to coarse ring-shaped on-slip, ratchet tightly grips trapezoidal prevention circle under the elastic force effect of push rod spring, and ratchet will Trapezoidal prevention circle holds out against locking and does not loosen the function of fulfiling second anti-shock impact-resistant antinoise.

5th, anti-settling performance is good, compared with the main stress of existing inspection well cover is born by inspection shaft wall, because the present invention is set Increase the contact surface with road at many levels in respect of detent mechanism case, pressure-resistant rubber circle flange face and road surface flange face, can be fine Inspection well cover is equably conducted to road surface by ground by the pressure of automobile, serves good anti-settling function.

6th, recessive lock and recessive unlatching, compared with existing drag hook crowbar opens inspection well cover, the present invention devises inspection well cover With base slit is non-porous docks, crowbar can not be intervened and pried open, and dexterously be devised very much using ratchet, screw rod and lever principle hidden Property lock and it is recessive open, heavy inspection well cover very comfortable is effortlessly opened, protects inspection well cover corner to be prized the phenomenon collapsed, Reasonable with clever structure, dismounting is simple and convenient and easy to study, the features such as ratchet and cheap opening post rod mechanism cost of manufacture.

7th, unexpected measure is good, the problems such as devising in bad repair with age or fittings quality, causes opening push rod open function to anticipate Outer failure, inspection well cover self-locking are not opened and can not descend well operations；Following measure of saving oneself can be taken：It is 1. reverse from ellipse with steelwire sleeve Screw thread lockhole, which enters, to be socketed and pulls ratchet drag hook to unlock ratchet；2. inspection well cover is that slit is non-porous with base gap anti theft design, Crowbar can not be intervened and pried open, and can drill through cipher mark thin-walled blind hole, also can identify thin-walled by tapping sound come searching password Blind hole position is simultaneously drilled through, and Reinforced hook is put in from the cipher mark thin-walled blind hole drilled through, inspection well cover is opened and is subject to Maintenance.

8th, applicability is wide, and the present invention can manufacture and design the accessory of plurality of specifications according to inspection well cover size bi-directional scaling, no It can be used only on the inspection well cover of circle, as long as preventing circle from changing into prevention bar trapezoidal, it is possible to which use is each in square grade On the inspection well cover of kind shape size.

9th, cleaning lubrication is convenient, and water pipe can be inserted from oval reverse thread lockhole and oil pipe is cleaned and lubricated.

Brief description of the drawings

Accompanying drawing 1：It is the front view of schematic structural view of the invention

1 is that inspection well cover 2 is that pressure-resistant rubber circle 3 is that trapezoidal prevention circle 4 is that reinforcement 5 is cipher mark thin-walled blind hole 6 in figure It is that base 7 is that oval reverse thread lockhole 8 is that lockhole keyway 9 is that detent mechanism case 10 is that opening jogger hole 11 is ratchet rotating shaft peace Tankage 12 is that opening push rod 13 is that push rod spring 14 is that lever shaft mounting groove 15 is that push rod spring packing ring 16 is that lever 17 is long It is that lever shaft 19 is that lever shaft self-locking ring 20 is that lever shaft self-locking spring 21 is ratchet rotating shaft that solution lockhole 18 is opened in bar shaped Self-locking spring 22 is that ratchet rotating shaft 23 is that ratchet rotating shaft self-locking ring 24 is that ratchet 25 is that ratchet joining beam 26 is that ratchet drag hook 27 is round Vertex of a cone bar 28 is that circular cone bucket 29 is that unblock unlatching reverse screw rod 30 is that elliptical aperture unlocking sleeve 31 is that handle 32 is that gib head taper stock key is anti- It is steelwire sleeve to threaded rod 41.

Accompanying drawing 2：It is the top view of schematic structural view of the invention

1 is that inspection well cover 2 is that pressure-resistant rubber circle 3 is that trapezoidal prevention circle 4 is that reinforcement 5 is cipher mark thin-walled blind hole 6 in figure It is that base 7 is that oval reverse thread lockhole 8 is that lockhole keyway 9 is that detent mechanism case 10 is that opening jogger hole 11 is ratchet rotating shaft peace Tankage 12 is that opening push rod 14 is that lever shaft mounting groove 16 is that lever 18 is that lever shaft 19 is that lever shaft self-locking ring 20 is Lever shaft self-locking spring 21 is that ratchet rotating shaft self-locking spring 22 is that ratchet rotating shaft 23 is that ratchet rotating shaft self-locking ring 24 is ratchet 25 It is that ratchet joining beam 34 is that oval reverse thread tapered end 35 is that reverse thread tapered end keyway 36 is that gib head taper stock key reverse thread hole 37 is hook Head key 38 is that pressure-resistant rubber flange face 39 is that road surface flange face 40 is that security warning flag jack 42 is Reinforced hook.

Accompanying drawing 3：It is the oval reverse thread tapered end enlarged drawing of the present invention

33 be that reverse thread pressure-resistant rubber plug 34 is that oval reverse thread tapered end 35 is reverse thread tapered end keyway 36 in figure It is that gib head taper stock key reverse thread hole 37 is that gib head taper stock key 38 is that pressure-resistant rubber flange face 39 is road surface flange face.

Embodiment

The present invention is further described with reference to accompanying drawing.

Antitheft antinoise anti-settling is anti-to return that to gush recessive inspection well cover of opening be by inspection well cover（1）Base（6）Ratchet（24）Opening Push rod（12）Oval reverse thread tapered end（34）Reverse screw rod is opened in unblock（29）Formed Deng six parts.

Inspection well cover（1）Bottom surface with it is trapezoidal prevent enclose（3）, reinforcement（4）With cipher mark thin-walled blind hole（5）It is integrated poured Form, it is trapezoidal to prevent circle（3）Outer surface require have coarse ring-shaped, pressure-resistant rubber circle（2）It is socketed in trapezoidal prevention circle（3） Outside.

Base（6）It is integrated poured to have detent mechanism case（9）, pressure-resistant rubber circle flange face（38）, road surface flange face（39）With Security warning flag jack（40）, detent mechanism case（9）Top is provided with oval reverse thread lockhole（7）With opening jogger hole （10）, oval reverse thread lockhole（7）Inside it is provided with lockhole keyway（8）, detent mechanism case（9）Interior both sides are respectively arranged with ratchet Rotating shaft mounting groove（11）With lever shaft mounting groove（14）；Detent mechanism case（9）, pressure-resistant rubber circle flange face（38）With road surface method Blue face（39）It is multi-level to increase and the anti-settling of road contact face.

Ratchet（24）With ratchet drag hook（26）For integrated member, ratchet（24）With ratchet joining beam（25）One end lived with pivot pin Dynamic connection, ratchet（24）Upper end and ratchet rotating shaft（22）It is actively coupled, ratchet rotating shaft（22）It is socketed with ratchet（24）Turn with ratchet Axle self-locking spring（21）, ratchet rotating shaft（22）Both ends are socketed with ratchet rotating shaft self-locking ring（23）, ratchet rotating shaft mounting groove（11）'s Width is than ratchet rotating shaft（22）Diameter it is bigger be easily installed, ratchet rotating shaft mounting groove（11）Width than ratchet rotating shaft self-locking ring （23）Race diameter is small to be easy to self-locking, ratchet rotating shaft mounting groove（11）End Circularhole diameter is than ratchet rotating shaft self-locking ring（23）It is outer Loop diameter is bigger to be easily installed, ratchet rotating shaft mounting groove（11）Opening is provided with certain slope and is easily installed, ratchet rotating shaft （22）Both ends are directed at ratchet rotating shaft mounting groove（11）Precisely installation, ratchet rotating shaft self-locking ring（23）In ratchet rotating shaft self-locking spring （21）Self-locking is in place in the presence of elastic force, ratchet rotating shaft（22）And ratchet（24）It is installed in place.

Opening push rod（12）It is socketed with push rod spring（13）With push rod spring packing ring（15）, opening push rod（12）The length of lower section Solution lockhole is opened in bar shaped（17）With lever（16）Lower end is that removable pivot pin is actively coupled, circular cone push rod（27）, ratchet joining beam （25）The other end and lever（16）It is that pivot pin is actively coupled, lever shaft（18）It is socketed with lever（16）With lever shaft certainly Lock spring（20）, lever shaft（18）Both ends are socketed with lever shaft self-locking ring（19）, lever shaft mounting groove（14）Width Compare lever shaft（18）Diameter it is bigger be easily installed, lever shaft mounting groove（14）Width than lever shaft self-locking ring（19） Race diameter is small to be easy to self-locking, lever shaft mounting groove（14）End Circularhole diameter than lever shaft self-locking ring（19）Outer ring Diameter is bigger to be easily installed, lever shaft mounting groove（14）Opening is provided with certain slope and is easily installed, lever shaft（18） Both ends are directed at lever shaft mounting groove（14）Precisely installation, while pay attention to allowing circular cone push rod（27）It is directed at oval reverse thread lockhole （7）Lower end, lever shaft self-locking ring（19）In lever shaft self-locking spring（20）Self-locking is in place in the presence of elastic force, lever shaft （18）And lever（16）It is installed in place；Push rod spring will be socketed with（13）With push rod spring packing ring（15）Opening push rod（12）Under The strip of side opens solution lockhole（17）With lever（16）Lower end is actively coupled with removable pivot pin, opening push rod（12）Installation In place.

Oval reverse thread tapered end（34）Installation, with elliptical aperture unlocking sleeve（30）By oval reverse thread tapered end（34）From Oval reverse thread lockhole（7）It is rotated in place, reverse thread tapered end keyway（35）With lockhole keyway（8）Align and by gib head taper stock key （37）Insertion reaches close fit requirement, then opens reverse screw rod with unblock（29）Circular cone bucket（28）Bottom surface tip-like is thick Rough annular end face is by reverse thread pressure-resistant rubber plug（33）It is rotated in place.

Reverse screw rod is opened in unblock（29）Lower end is provided with circular cone bucket（28）, circular cone bucket（28）Floor design be needle point Reverse screw rod is opened in the coarse annular end face of shape, unblock（29）Upper end is welded with handle（31）, handle（31）One end is elliptical aperture Unlocking sleeve（30）, handle（31）One is placed in the other end gib head taper stock key reverse screw rod（32）.

Inspection well cover（1）Installation, check ratchet（24）, opening push rod（12）Install it is errorless after, by pressure-resistant rubber circle（2）Socket Circle is prevented trapezoidal（3）On, inspection well cover（1）It is installed to base（6）When, it is trapezoidal to prevent circle（3）By ratchet（24）Press down, push rod Spring（13）Elastic force pass through lever（16）With ratchet joining beam（25）It is delivered to ratchet（24）Prevent to enclose by trapezoidal（3）Hold out against locking Do not loosen, so that inspection well cover（1）It is installed in place and reaches anti-return of antitheft antinoise and gushes function, inspection well cover（1）Install friendship Pay and use.

Open inspection well cover（1）, reverse screw rod is opened with unblock（29）Circular cone bucket（28）The coarse annular of bottom surface tip-like End face is by reverse thread pressure-resistant rubber plug（33）Spin out, from handle（31）Interior taking-up gib head taper stock key reverse screw rod（32）Alignment Gib head taper stock key reverse thread hole（36）Precession is by gib head taper stock key（37）Take out, with elliptical aperture unlocking sleeve（30）Oval reverse thread is locked Head（34）Spin out.In circular cone bucket（28）After interior addition moderate lubrication oil, reverse screw rod is opened in unblock（29）It is anti-from ellipse To screw thread lockhole（7）Rotation is entered, now circular cone push rod（27）It is socketed in circular cone bucket（28）It is interior, while promote lever（16）And lead to Cross ratchet joining beam（25）By ratchet（24）Give up the throne unblock, now lever（16）Just solution lockhole is opened in top to strip（17）It is upper Unblock stroke is completed at end, and reverse screw rod is opened in unblock（29）Propulsive force pass through circular cone push rod（27）, lever（16）And opening Push rod（12）By inspection well cover（1）Rise unlatching.

During installation, first by ratchet（24）Opening push rod（12）Oval reverse thread tapered end（34）Ratchet machine is installed to Deng accessory Structure case（9）On；Ratchet（24）With ratchet drag hook（26）For integrated member, ratchet（24）With ratchet joining beam（25）One end be axle Pin is actively coupled, ratchet（24）Upper end and ratchet rotating shaft（22）It is actively coupled, ratchet rotating shaft（22）It is socketed with ratchet（24）And spine Pawl rotating shaft self-locking spring（21）, ratchet rotating shaft（22）Both ends are socketed with ratchet rotating shaft self-locking ring（23）, ratchet rotating shaft mounting groove （11）Width than ratchet rotating shaft（22）Diameter it is bigger be easily installed, ratchet rotating shaft mounting groove（11）Width than ratchet rotating shaft Self-locking ring（23）Race diameter is small to be easy to self-locking, ratchet rotating shaft mounting groove（11）End Circularhole diameter is than ratchet rotating shaft self-locking ring （23）Race diameter it is bigger be easily installed, ratchet rotating shaft mounting groove（11）Opening is provided with certain slope and is easily installed, spine Pawl rotating shaft（22）Both ends are directed at ratchet rotating shaft mounting groove（11）Precisely installation, ratchet rotating shaft self-locking ring（23）In ratchet rotating shaft self-locking Spring（21）Self-locking is in place in the presence of elastic force, ratchet rotating shaft（22）And ratchet（24）It is installed in place；Circular cone push rod（27）, spine Pawl joining beam（25）The other end and lever（16）It is that pivot pin is actively coupled, lever shaft（18）It is socketed with lever（16）Turn with lever Axle self-locking spring（20）, lever shaft（18）Both ends are respectively sleeved on lever shaft self-locking ring（19）, by lever shaft（18）Two End alignment lever shaft mounting groove（14）Precisely installation, while pay attention to circular cone push rod（27）Oval reverse thread lockhole must be directed at （7）, lever shaft self-locking ring（19）In lever shaft self-locking spring（20）The lower self-locking of elastic force effect it is in place, now lever shaft （18）And lever（16）It is installed in place；By opening push rod（12）From detent mechanism case（9）The opening jogger hole of top（10）In insert Enter, and be socketed push rod spring respectively（13）With push rod spring packing ring（15）, compress push rod spring（13）Strip is opened and unlocked Hole（17）With lever（16）Lower end is actively coupled with removable pivot pin, now opening push rod（12）And ratchet（24）Mechanism is installed Finish；By oval reverse thread tapered end（34）With elliptical aperture unlocking sleeve（30）From oval reverse thread lockhole（7）Rotate to Position, reverse thread tapered end keyway（35）With lockhole keyway（8）Align and by gib head taper stock key（37）Insertion reaches close fit requirement, so Afterwards reverse screw rod is opened with unblock（29）Circular cone bucket（28）Tip-like coarse annular end face in bottom surface is by the pressure-resistant rubber of reverse thread Plug（33）It is rotated in place；Check after confirming that the installation of above accessory is correct, by pressure-resistant rubber circle（2）It is socketed in trapezoidal prevention circle （3）On, by inspection well cover（1）It is installed to base（6）When, its trapezoidal prevention circle（3）By ratchet（24）Press down, it is trapezoidal to prevent circle （3）Outer surface there is coarse ring-shaped, push rod spring（13）Elastic force pass through lever（16）With ratchet joining beam（25）Pass to spine Pawl（24）Prevent to enclose by trapezoidal（3）Hold out against locking not loosen, inspection well cover（1）Install；Open inspection well cover（1）When, with unblock Open reverse screw rod（29）Circular cone bucket（28）Bottom surface tip-like roughened end surface is by reverse thread pressure-resistant rubber plug（32）Rotation Out, from handle（31）Interior extraction gib head taper stock key reverse screw rod（32）And it is directed at gib head taper stock key reverse thread hole（36）Precession is by gib head Key（37）Take out, with elliptical aperture unlocking sleeve（30）By oval reverse thread tapered end（34）Spin out；In circular cone bucket（28）It is interior Moderate lubrication oil is added, reverse screw rod is opened into unblock（29）From oval reverse thread lockhole（7）Rotation promotes, now circular cone Push rod（27）It is socketed in circular cone bucket（28）It is interior, while promote lever（16）And pass through ratchet joining beam（25）By ratchet（24）Give up the throne solution Lock, now lever（16）Just solution lockhole is opened in top to strip（17）Upper end complete unblock stroke, reverse spiral shell is opened in unblock Rasp bar（29）Propulsive force passes through circular cone push rod（27）And lever（16）It is transmitted to opening push rod（12）By inspection well cover（1）Rise out Open；Unexpected measure, if opening push rod（12）And ratchet（24）Unexpected failure, can use steelwire sleeve（41）From oval reverse spiral shell Line lockhole（7）Into being socketed and pull ratchet drag hook（26）By ratchet（24）Unblock, inspection well cover（1）With base（6）Gap prevent Robber is designed as that slit is non-porous, and any crowbar can not be intervened and prized, can be by cipher mark thin-walled blind hole（5）Drill through, also can be by striking Hit sound and carry out searching password mark thin-walled blind hole（5）Position and drilled through, by Reinforced hook（42）From the cipher mark drilled through Thin-walled blind hole（5）In put in, by inspection well cover（1）Open and overhauled.

Claims (1)

1. anti-return of antitheft antinoise anti-settling gushes recessive unlatching inspection well cover, it is characterized in that by inspection well cover（1）, base（6）, ratchet （24）, opening push rod（12）, oval reverse thread tapered end（34）, unblock open reverse screw rod（29）Formed Deng six parts, institute State inspection well cover（1）Prevent to enclose with trapezoidal（3）, reinforcement（4）With cipher mark thin-walled blind hole（5）It is integrated poured to form, the ladder Form drag is only enclosed（3）Outer surface requires there is coarse ring-shaped, pressure-resistant rubber circle（2）It is socketed in the trapezoidal prevention circle（3）Outside, institute State base（6）Integrated poured detent mechanism case（9）, have pressure-resistant rubber circle flange face（38）, road surface flange face（39）And safe police Show flag jack（40）, the detent mechanism case（9）Top is provided with oval reverse thread lockhole（7）With opening jogger hole（10）, The oval reverse thread lockhole（7）Inside it is provided with lockhole keyway（8）, the detent mechanism case（9）Interior both sides are respectively arranged with Ratchet rotating shaft mounting groove（11）With lever shaft mounting groove（14）, the ratchet（24）With ratchet drag hook（26）For integrated member, The ratchet（24）With ratchet joining beam（25）It is actively coupled for pivot pin, the ratchet（24）Upper end and ratchet rotating shaft（22）Activity connection Connect, the ratchet rotating shaft（22）It is socketed with the ratchet（24）With ratchet rotating shaft self-locking spring（21）, the ratchet rotating shaft（22） Both ends are socketed with ratchet rotating shaft self-locking ring（23）, the ratchet rotating shaft mounting groove（11）Width than the ratchet rotating shaft（22）'s Diameter is bigger, the ratchet rotating shaft mounting groove（11）Width than the ratchet rotating shaft self-locking ring（23）Race diameter is small, described Ratchet rotating shaft mounting groove（11）End Circularhole diameter is than the ratchet rotating shaft self-locking ring（23）Race diameter it is bigger, the ratchet Rotating shaft mounting groove（11）Opening is provided with certain slope, the ratchet rotating shaft（22）Both ends are directed at the ratchet rotating shaft mounting groove （11）Precisely installation, the ratchet rotating shaft self-locking ring（23）In the ratchet rotating shaft self-locking spring（21）Self-locking in the presence of elastic force In place, the ratchet rotating shaft（22）With the ratchet（24）It is installed in place, circular cone push rod（27）, the ratchet joining beam（25）With Lever（16）It is that pivot pin is actively coupled, lever shaft（18）It is socketed with the lever（16）With lever shaft self-locking spring （20）, the lever shaft（18）Both ends are socketed with lever shaft self-locking ring（19）, the lever shaft mounting groove（14）Width Degree is than the lever shaft（18）Diameter it is bigger, the lever shaft mounting groove（14）Width than the lever shaft self-locking Ring（19）Race diameter is small, the lever shaft mounting groove（14）End Circularhole diameter than the lever shaft self-locking ring（19） Race diameter it is bigger, the lever shaft mounting groove（14）Opening is provided with certain slope, the lever shaft（18）Two End is directed at the lever shaft mounting groove（14）Precisely installation, the lever shaft self-locking ring（19）In the lever shaft self-locking Spring（20）Self-locking is in place in the presence of elastic force, the lever shaft（18）With the lever（16）It is installed in place, the opening Push rod（12）From the opening jogger hole（10）Top is inserted and is socketed push rod spring（13）With push rod spring packing ring（15）, strip Shape opens solution lockhole（17）With the lever（16）It is actively coupled for removable pivot pin, the oval reverse thread tapered end （34）With elliptical aperture unlocking sleeve（30）From the oval reverse thread lockhole（7）Rotation is entered, reverse thread tapered end keyway （35）With the lockhole keyway（8）Align and by gib head taper stock key（37）Insertion reaches close fit requirement, by the reverse spiral shell of ellipse Line tapered end（34）Locking, then open reverse screw rod with the unblock（29）Circular cone bucket（28）The coarse annular of bottom surface tip-like End face is by reverse thread pressure-resistant rubber plug（33）Rotation is entered, and reverse screw rod is opened in the unblock（29）It is provided with the circle Cone bucket（28）, the circular cone bucket（28）Floor design be the coarse annular end face of tip-like, upper end is welded with handle（31）, it is described Handle（31）One end is the elliptical aperture unlocking sleeve（30）, the handle（31）One is placed in the other end the reverse spiral shell of gib head taper stock key Rasp bar（32）, the inspection well cover is installed（1）When, by the pressure-resistant rubber circle（2）It is socketed in the trapezoidal prevention circle（3）On, will The inspection well cover（1）It is installed to the base（6）When upper, its described trapezoidal prevention circle（3）By the ratchet（24）Press down, institute State push rod spring（13）Elastic force pass through the lever（16）With the ratchet joining beam（25）It is delivered to the ratchet（24）By institute State trapezoidal prevention circle（3）Hold out against locking not loosen, the inspection well cover（1）Install, open the inspection well cover（1）When, use institute State unblock and open reverse screw rod（29）The circular cone bucket（28）Tip-like coarse annular end face in bottom surface is by the reverse thread Pressure-resistant rubber plug（33）Spin out, from the handle（31）It is interior to take out the gib head taper stock key reverse screw rod（32）It is directed at gib head taper stock key Reverse thread hole（36）Precession is by the gib head taper stock key（37）Take out, with the elliptical aperture unlocking sleeve（30）Will be described oval reverse Screw thread tapered end（34）Spin out, reverse screw rod is opened into the unblock（29）From the oval reverse thread lockhole（7）Rotation Turn to promote, now the circular cone push rod（27）It is socketed in the circular cone bucket（28）It is interior while promote the lever（16）And pass through institute State ratchet joining beam（25）By the ratchet（24）Give up the throne unblock, now the lever（16）Just solution is opened in top to the strip Lockhole（17）Upper end complete unblock stroke, it is described unblock open reverse screw rod（29）Continue to be advanced to and through the circular cone top Bar（27）, the lever（16）With the opening push rod（12）By the inspection well cover（1）Unlatching is risen, when the opening push rod （12）With the ratchet（24）Unexpected failure, uses steelwire sleeve（41）From the oval reverse thread lockhole（7）Into socket simultaneously Pull the ratchet drag hook（26）By the ratchet（24）Unblock, the inspection well cover（1）With the base（6）Gap antitheft set It is non-porous to be calculated as slit, any crowbar can not be intervened and pried open, by the cipher mark thin-walled blind hole（5）Drill through, by tapping sound To find the cipher mark thin-walled blind hole（5）Position and drilled through, by Reinforced hook（42）It is thin from the cipher mark drilled through Wall blind hole（5）In put in, by the inspection well cover（1）Open and overhauled.