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CN207944486U - A kind of anti-theft inspection well cover and its cover opening tool - Google Patents

A kind of anti-theft inspection well cover and its cover opening tool Download PDF

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Publication number
CN207944486U
CN207944486U CN201721774211.6U CN201721774211U CN207944486U CN 207944486 U CN207944486 U CN 207944486U CN 201721774211 U CN201721774211 U CN 201721774211U CN 207944486 U CN207944486 U CN 207944486U
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CN
China
Prior art keywords
shaft
uncapping
cover
cover board
upper locking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721774211.6U
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Chinese (zh)
Inventor
周薇
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Individual
Original Assignee
Individual
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Filing date
Publication date
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Priority to CN201721774211.6U priority Critical patent/CN207944486U/en
Application granted granted Critical
Publication of CN207944486U publication Critical patent/CN207944486U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of anti-theft inspection well cover and its cover opening tools, anti-theft inspection well cover includes pedestal and cover board, Slideslip is provided with multiple bolts in cover board, the position one-to-one correspondence that pedestal corresponds to multiple bolts offers multiple jacks, multiple bolts are corresponded on cover board is provided with multiple springs, the position that multiple bolts are corresponded on cover board offers multiple slots of uncapping respectively, and the position of multiple bolts towards corresponding slot of uncapping offers hole of uncapping.Cover opening tool includes frame body, the position that multiple bolts are corresponded on frame body is provided with multiple struts one by one, sliding is provided with body of uncapping on each strut, physical efficiency of uncapping is inserted into corresponding hole of uncapping, it is connected with drawstring on each body of uncapping, the middle part rotation of frame body is provided with shaft, and one end that every drawstring deviates from body of uncapping is both secured in shaft.Under the premise of without this cover opening tool, the cover board unlatching of this anti-theft inspection well cover is very difficult, and anti-theft effect is preferable, and cover board is easy for installation, and cover opening tool uses simple.

Description

A kind of anti-theft inspection well cover and its cover opening tool
Technical field
The utility model is related to a kind of town road facility, especially a kind of anti-theft inspection well cover and its cover opening tool.
Background technology
Inspection well cover is the common facility on town road, and inspection well cover is used to cover the oral area of inspection shaft, if inspection shaft bottom Cable, water pipe be damaged, related personnel can open inspection well cover and enter inspection shaft in repairs.Due to most of inspection shaft Gai Youtie or steel are made, so there are criminals to steal the behavior that inspection well cover carries out black market bargain.Lose the inspection shaft of inspection well cover It is open on road, passing pedestrian, which exists, falls risk, and the wheel of driving vehicle, which may be caught in inspection shaft, to cause the accident.
Existing publication No. is that the application for a patent for invention of CN102677697A discloses a kind of casting circular manhole cover, including frame Body and lid, are flexibly connected between framework and lid by stainless steel adapting piece.Since stainless steel adapting piece is generally consolidated by bolt Due in framework and lid, being easy to unscrew, and this connection structure is easier to chisel, and anti-theft effect is poor.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of anti-theft inspection well cover, without specially Under the premise of tool, the unlatching of cover board is very difficult, and anti-theft effect is preferable.
The above-mentioned technical purpose of the utility model technical scheme is that:A kind of anti-theft inspection well cover, Including pedestal and cover board, the interior Slideslip of the cover board is provided with multiple bolts, and the pedestal corresponds to the position one of multiple bolts One correspondence offers multiple jacks, and multiple bolts are corresponded on the cover board and are provided with multiple springs, multiple springs are used In driving corresponding bolt to enter in corresponding jack, the position that multiple bolts are corresponded on the cover board offers multiple open respectively The position of cover slot, multiple bolts towards corresponding slot of uncapping offers hole of uncapping.
Through the above technical solutions, before installing this anti-theft inspection well cover, pedestal is first fixed on basement by concrete or pitch On well, then cover board is positioned on pedestal, and pushes each bolt completely into corresponding first T-slot, cover board can at this time With completely into pedestal, after cover board and floor installation are good, each bolt under the effect of spring force into corresponding jack, To form locking structure, the final fixation of cover board and pedestal is completed, since the quantity of bolt is multiple, and works as all bolts Cover board could be taken out when being detached with jack, separation bolt needs to maintain the power of compressed spring again with jack, so without special It is very big to the pilferage difficulty of this cover board under the premise of tool, play good anti-theft effect.
Preferably, the side wall of the bolt towards corresponding jack is set as inclined-plane, when the inclined-plane of the bolt and pedestal phase To when, the pedestal, which generates, drives bolt toward the trend for overcoming spring force direction to move.
Through the above technical solutions, when installing cover board on pedestal, each bolt is directed at each jack, is then firmly pressed down Cover board, then each bolt the elastic force of the spring Slideslip into cover board is overcome under the action of inclined surface, each bolt is completely into right In the first T-slot answered, cover board can be completely into pedestal at this time, and the process that setting turns off cover board in this way becomes more simple It is single.
Preferably, the quantity of the bolt is at least four.
Through the above technical solutions, since cover board could be taken out when all bolts are detached with jack, and detach bolt Need to maintain the power of compressed spring again with jack, so the quantity of bolt is more, it is more difficult to the pilferage of this inspection well cover, prevent Effect is better steathily.
Second of the utility model is designed to provide a kind of cover opening tool, can conveniently and efficiently open this anti-theft basement Well lid.
The above-mentioned technical purpose of the utility model technical scheme is that:A kind of cover opening tool is used In opening above-mentioned anti-theft inspection well cover, including frame body, the position that multiple bolts are corresponded on the frame body is provided with multiple one by one Bar, each sliding is provided with body of uncapping on the strut, and the physical efficiency of uncapping is inserted into corresponding hole of uncapping, each uncaps on body It is connected with drawstring, the middle part rotation of the frame body is provided with shaft, and one end that the every drawstring deviates from body of uncapping is both secured to In shaft.
Through the above technical solutions, when taking out cover board with this cover opening tool, frame body is positioned on cover board, it is pre-adjusted Respectively uncap the position of body and the body that will respectively uncap be inserted into it is corresponding uncap in hole, then rotating shaft, shaft tightens each drawstring simultaneously It twists in shaft, during rotating shaft, body of respectively uncapping drives each bolt to overcome the elastic force of spring out of corresponding jack It extracts, to release the locking state of cover board and pedestal, then can take out cover board.
Preferably, it is fixed with handle in the shaft.
Through the above technical solutions, people can drive shaft rotation by handle, without increasing driving mechanism, make work of originally uncapping The structure of tool is simple, compact, and cost is lower.
Preferably, sliding is provided with extension rod on the handle.
Through the above technical solutions, before by handle rotating shaft, extension rod is certain toward being slided away from the direction of shaft Distance, people force in the end rotating shaft of extension rod, and extension rod increases the arm of force of rotation, it is more effortless to make one rotating shaft.
Preferably, in the shaft sliding be provided with upper locking piece, the upper locking piece is coordinated with shaft by keyway, it is described on Closing piece can sliding axially along shaft, the upper locking piece can not rotate relative to shaft, be fixed on the frame body and upper locking piece The lower closing piece of cooperation can limit shaft and rotate relative to frame body after the upper locking piece is fastened with lower closing piece.
Through the above technical solutions, rotating shaft and determining that each bolt is extracted after jack completely, upper locking piece is slid into It being fastened with lower closing piece, then upper locking piece can not produce relative rotation with lower closing piece, and upper locking piece can not be rotated relative to shaft, so Shaft can be limited to rotate relative to frame body, even if not forcing in shaft at this time, bolt will not reset, and can be more convenient Take out lid in ground.
Preferably, the shaft is provided with bulge loop away from the position of lower closing piece, and the bulge loop is for being caught in shaft and locking To limit the spontaneous downslide of upper locking piece in the gap of block.
Through the above technical solutions, before rotating shaft, upper locking piece is slided to bulge loop direction, by upper locking piece snap into outside bulge loop from And the spontaneous downslide of upper locking piece is limited, upper locking piece is reliably detached with lower closing piece during making rotating shaft, needs to fall locking When block, upper locking piece only need to be tapped downwards, you can detach upper locking piece with bulge loop.
In conclusion the utility model having the beneficial effect that in contrast to the prior art:Under the premise of without this cover opening tool, The cover board unlatching of this anti-theft inspection well cover is very difficult, and anti-theft effect is preferable, and cover board is easy for installation, and cover opening tool uses simple.
Description of the drawings
Fig. 1 is the stereogram of this anti-theft inspection well cover and its cover opening tool, main to protrude book anti-theft inspection well cover and its uncap The overall structure of tool;
Fig. 2 is the oblique view of cover board and cover opening tool, the lower section knot of main prominent embodiment cover plate and cover opening tool Structure;
Fig. 3 is the sectional view after this anti-theft inspection well cover and its cover opening tool combination, main prominent uncap body and bolt, bolt With the connection structure of jack.
Reference numeral:1, pedestal;2, cover board;21, L-type item;211, the first T-slot;22, bolt;23, spring;221, tiltedly Face;24, it uncaps slot;222, it uncaps hole;11, jack;3, frame body;4, strut;5, shaft;6, handle;41, the second T-slot;42、 It uncaps body;421, shifting block;51, around rope section;7, drawstring;81, upper locking piece;811, bar-shaped trough;52, bar shaped key;812, latch segment; 82, lower closing piece;821, locking slot;53, bulge loop;61, extension rod.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.
As shown in Figure 1, a kind of anti-theft inspection well cover, including pedestal 1 and cover board 2, pedestal 1 are circular ring shape, the internal ring wall of pedestal 1 To be ladder-like, cascaded surface is used to coordinate with discoid cover board 2.
As shown in Fig. 2, cover board 2 is towards four pairs of L-type items 21 are provided on the end face of pedestal 1, four pairs of L-type items 21 are about cover board 2 are presented central symmetries distribution, and there are gap between each pair of L-type item 21, this gap is the first T-slot 211, and the first T-slot 211 Extending direction pass through cover board 2 center.The bolt 22 coordinated with it, 22 energy of bolt are provided in each first T-slot 211 It is slided along flute length direction in corresponding first T-slot 211, and a part for bolt 22 can be stretched out from the side of cover board 2.Four Four settings of bolt 22 are corresponded in first T-slot 211 there are four spring 23, spring 23 is located at corresponding bolt 22 towards cover board The one end in 2 centers of circle direction, one end and the bolt 22 of spring 23 are fixed, and the convex block being arranged on the other end and cover board 2 of spring 23 is solid It is fixed.The stiffness factor of spring 23 is larger, then compressed spring 23 need use larger power, can increase thief stir bolt 22 into The difficulty that row is stolen.Each bolt 22 is disposed as inclined-plane 221 away from the one end in 2 center of circle of cover board, and the normal direction on inclined-plane 221 is inclined Tiltedly towards pedestal 1.When the oral area on inclined-plane 221 and pedestal 1 offsets, the generation of pedestal 1 drives bolt 22 is past to overcome 23 elastic force of spring The trend of direction movement.
As shown in Figure 1, the position of four bolts 22 of face is opened up respectively there are four slot 24 of uncapping on cover board 2, slot 24 of uncapping Cover board 2 is run through, the length direction for slot 24 of uncapping is identical as the glide direction of corresponding bolt 22.As shown in figure 3, four bolts 22 Hole 222 of uncapping is offered respectively towards the position of corresponding slot 24 of uncapping.
As shown in Figure 1, being opened up on the inner ring surface for being used to coordinate with 2 side wall of cover board on pedestal 1 there are four jack 11, four are inserted The position in hole 11 is corresponded with four bolts 22, and four bolts 22 can enter corresponding jack under the action of 23 elastic force of spring In 11, to which cover board 2 be locked on pedestal 1.
A kind of cover opening tool for above-mentioned anti-theft inspection well cover, including frame body 3, be arranged on frame body 3 four struts 4, It is threaded through the shaft 5 at 3 middle part of frame body, shaft 5 is fixed with handle 6 away from the end of frame body 3.
Four struts 4 are centrosymmetric distribution relative to frame body 3, and are corresponded with the position of four slots 24 of uncapping.Often The second T-slot 41 through 4 both ends of strut is offered on root strut 4, the opening direction of the second T-slot 41 deviates from handle 6.Often Matched body 42 of uncapping is provided in a second T-slot 41, body 42 of uncapping can be in corresponding second T-slot 41 along flute length It slides in direction.Body 42 of uncapping includes shifting block 421, and shifting block 421 stretches out in the notch of the second T-slot 41, and shifting block 421 is for insertion pair In the hole 222 of uncapping answered, as shown in Figure 3.
As shown in Fig. 2, shaft 5 is connect by bearing with frame body 3, shaft 5 can be freely rotated in frame body 3.Shaft 5 is close One end of frame body 3 is pierced by from frame body 3, and the part being pierced by is around rope section 51.Four drawings are connected on the side wall of rope section 51 Rope 7, drawstring 7 is made of steel wire, and the other ends of four drawstrings 7 body 42 of uncapping respectively with four is connect.
As shown in Figure 1, being arranged with upper locking piece 81 in shaft 5,81 inner wall of upper locking piece offers bar-shaped trough along the axial direction of shaft 5 811, the bar shaped key 52 coordinated with bar-shaped trough 811 is provided on the side wall of shaft 5, the length of bar shaped key 52 is much larger than bar-shaped trough 811.Shaft 5 and upper locking piece 81 are completed to connect by above-mentioned keyway, then upper locking piece 81 can sliding axially along shaft 5, but on Closing piece 81 can not be rotated relative to shaft 5.The side of upper locking piece 81 towards frame body 3 is provided with several latch segments 812.On frame body 3 It is wholely set lower closing piece 82, the side of lower closing piece 82 towards upper locking piece 81 offers several locks coordinated with each latch segment 812 Tight slot 821.
There are a small amount of gap between upper locking piece 81 and shaft 5, the position far from lower closing piece 82 in shaft 5 is fixed with bulge loop 53, Bulge loop 53 is located on the circumference of 5 outer wall of shaft, and bulge loop 53 is used to be caught in the gap of shaft 5 and upper locking piece 81, in limitation 81 spontaneous downslide of closing piece.
Handle 6 is rod-shaped, and handle 6 is fixed by the end at middle part and shaft 5 and handle 6 is perpendicular to shaft 5.Handle 6 is carried on the back Both ends from shaft 5 are arranged with two extension rods 61 respectively.
Before this anti-theft inspection well cover is installed, need first to be fixed on pedestal 1 on inspection shaft by concrete or pitch.Then by cover board 2 are positioned on pedestal 1, and each bolt 22 is directed at each jack 11, and cover clamp 2 down of then exerting oneself, then each bolt 22 is in correspondence The elastic force of spring 23 Slideslip into cover board 2 is overcome under the action of inclined-plane 221, each bolt 22 is completely into corresponding first T-type In slot 211, cover board 2 can be completely into pedestal 1 at this time.After cover board 2 is installed with pedestal 1, each bolt 22 is in 23 bullet of spring Enter in corresponding jack 11 under the action of power, to form locking structure, completes the final fixation of cover board 2 and pedestal 1.Due to The stiffness factor of spring 23 is larger, then is difficult to stir the movement of bolt 22 by hole 222 of uncapping.The quantity of bolt 22 is more, and works as All bolts 22 could take out cover board 2 when being detached with jack 11, under the premise of no specific purpose tool, the pilferage to this cover board 2 Difficulty is very big, plays good anti-theft effect.
The step of taking out cover board 2 with this cover opening tool is as follows:Frame body 3 is positioned on cover board 2, it is pre-adjusted respectively to uncap Each shifting block 421 is simultaneously inserted into corresponding uncap in hole 222 by the position of body 42.Upper locking piece 81 is slided then up, by upper locking piece 81 It is outer to limit 81 spontaneous downslide of upper locking piece to snap into bulge loop 53.Then two extension rods 61 are slided to the both ends of handle 6 respectively Certain distance can drive shaft 5 to rotate with rotational handle 6, handle 6 at this time, and each drawstring 7 is tightened and twisted in shaft 5 by shaft 5 On.During rotational handle 6, each shifting block 421 drives each bolt 22 to overcome the elastic force of spring 23 out of corresponding jack 11 It extracts.After determining that each bolt 22 is extracted in jack 11 completely, upper locking piece 81 is tapped downwards, upper locking piece 81 is made to fall within lower closing piece 82 On.After latch segment 812 and locking slot 821 are fastened, upper locking piece 81 can not produce relative rotation with lower closing piece 82, and upper locking piece 81 It can not rotate relative to shaft 5, rotate relative to frame body 3 so shaft 5 can be limited.Even if release handle 6 at this time, insert Pin 22 will not reset, and then can take out cover board 2.Using this cover opening tool, the opening work of cover board 2 can be completed one Make, it is very convenient.
The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention It encloses, the scope of protection of the utility model is determined by the attached claims.

Claims (8)

1. a kind of anti-theft inspection well cover, including pedestal (1) and cover board (2), it is characterized in that:The interior Slideslip of the cover board (2) is arranged There are multiple bolts (22), the position of the corresponding multiple bolts (22) of the pedestal (1), which corresponds, offers multiple jacks (11), institute It states and corresponds multiple bolts (22) on cover board (2) and be provided with multiple springs (23), multiple springs (23) are for driving pair The bolt (22) answered enters in corresponding jack (11), and the position that multiple bolts (22) are corresponded on the cover board (2) opens up respectively There are multiple slots of uncapping (24), the position of multiple bolts (22) towards corresponding slot (24) of uncapping to offer hole of uncapping (222).
2. a kind of anti-theft inspection well cover according to claim 1, it is characterized in that:The corresponding jack (11) of bolt (22) direction Side wall be set as inclined-plane (221), when the inclined-plane (221) of the bolt (22) and pedestal (1) offset, pedestal (1) production It is raw to drive bolt (22) toward the trend for overcoming spring (23) elastic force direction to move.
3. a kind of anti-theft inspection well cover according to claim 1, it is characterized in that:The quantity of the bolt (22) is at least four It is a.
4. a kind of cover opening tool, it is characterized in that:For opening the anti-theft inspection well cover described in any one of claim 1-3, including Frame body (3), the position that multiple bolts (22) are corresponded on the frame body (3) are provided with multiple struts (4) one by one, each strut (4) sliding is provided with body of uncapping (42) on, and the body of uncapping (42) can be inserted into corresponding hole of uncapping (222), body of each uncapping (42) drawstring (7) is connected on, the middle part rotation of the frame body (3) is provided with shaft (5), and the every drawstring (7), which is deviated from, opens One end of lid (42) is both secured in shaft (5).
5. cover opening tool according to claim 4, it is characterized in that:It is fixed with handle (6) on the shaft (5).
6. cover opening tool according to claim 5, it is characterized in that:Sliding is provided with extension rod (61) on the handle (6).
7. cover opening tool according to claim 4, it is characterized in that:Sliding is provided with upper locking piece (81) on the shaft (5), The upper locking piece (81) is coordinated with shaft (5) by keyway, the upper locking piece (81) can sliding axially along shaft (5), it is described Upper locking piece (81) can not be rotated relative to shaft (5), and the lower closing piece with upper locking piece (81) cooperation is fixed on the frame body (3) (82), after the upper locking piece (81) fastens with lower closing piece (82), shaft (5) can be limited and rotated relative to frame body (3).
8. cover opening tool according to claim 7, it is characterized in that:The shaft (5) sets away from the position of lower closing piece (82) It is equipped with bulge loop (53), the bulge loop (53) is for being caught in the gap of shaft (5) and upper locking piece (81) to limit upper locking piece (81) spontaneous downslide.
CN201721774211.6U 2017-12-18 2017-12-18 A kind of anti-theft inspection well cover and its cover opening tool Expired - Fee Related CN207944486U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721774211.6U CN207944486U (en) 2017-12-18 2017-12-18 A kind of anti-theft inspection well cover and its cover opening tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721774211.6U CN207944486U (en) 2017-12-18 2017-12-18 A kind of anti-theft inspection well cover and its cover opening tool

Publications (1)

Publication Number Publication Date
CN207944486U true CN207944486U (en) 2018-10-09

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109577813A (en) * 2019-01-24 2019-04-05 温州华睿建设有限公司 A kind of house combined decoration door
CN109719344A (en) * 2019-01-16 2019-05-07 尹苑苑 A kind of circular cutter
CN112093740A (en) * 2020-08-17 2020-12-18 邓会昌 Municipal administration sewer fence ground jack
CN113819344A (en) * 2021-09-29 2021-12-21 广西玉柴机器股份有限公司 Flywheel connecting disc with protection device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109719344A (en) * 2019-01-16 2019-05-07 尹苑苑 A kind of circular cutter
CN109719344B (en) * 2019-01-16 2020-09-08 浙江甬岭数控刀具有限公司 Disc cutter
CN109577813A (en) * 2019-01-24 2019-04-05 温州华睿建设有限公司 A kind of house combined decoration door
CN112093740A (en) * 2020-08-17 2020-12-18 邓会昌 Municipal administration sewer fence ground jack
CN112093740B (en) * 2020-08-17 2022-03-04 无锡市公用水务投资有限公司 Municipal administration sewer fence ground jack
CN113819344A (en) * 2021-09-29 2021-12-21 广西玉柴机器股份有限公司 Flywheel connecting disc with protection device
CN113819344B (en) * 2021-09-29 2024-09-03 广西玉柴机器股份有限公司 Flywheel connecting disc with protection device

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GR01 Patent grant
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: 20181009

Termination date: 20181218