CN103225317A - Safety anti-theft inspection shaft cover - Google Patents
Safety anti-theft inspection shaft cover Download PDFInfo
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- CN103225317A CN103225317A CN2013101870040A CN201310187004A CN103225317A CN 103225317 A CN103225317 A CN 103225317A CN 2013101870040 A CN2013101870040 A CN 2013101870040A CN 201310187004 A CN201310187004 A CN 201310187004A CN 103225317 A CN103225317 A CN 103225317A
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- outer ring
- inspection shaft
- male screw
- inner cap
- screw hole
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Abstract
The invention discloses a safety anti-theft inspection shaft cover which comprises an outer ring and an inner cover, wherein the inner wall of the outer ring is provided with a step for placing the inner cover; a semi-cylindrical threaded hole is downwards vertically formed from the inner wall of the upper end face of the outer ring; the circumferential wall of the upper end face of the inner cover is vertically downwards provided with a semi-cylindrical threaded hole; the semi-cylindrical threaded hole in the outer ring and the semi-cylindrical threaded hole in the inner cover form a whole cylindrical threaded hole; a locking bolt is matched in the whole cylindrical threaded hole; a right-angled locking groove is also formed in the circumferential wall of the inner cover; a lock catch in locking fit with the right-angled locking groove is formed on the circumferential inner wall of the outer ring; an anti-drop net is arranged in an inner ring of the step on the lower part of the inner wall of the outer ring; and a warning device which can retract through a spring is arranged on the anti-drop net. Due to dual locking combination, the accident that the inspection shaft cover is stolen and flushed is completely avoided, a warning board is automatically opened upwards and popped out of an opening of an inspection shaft so as to realize the traffic warning function under the condition that the shaft cover is lost, and the anti-drop net serves as a last barrier for protecting the life safety of pedestrians.
Description
Technical field
The present invention relates to be used for the inspection shaft lid of blocked road inspection shaft mouth, particularly a kind ofly have anti-theft feature, prevent to recoil and the safety type inspection shaft lid of alarm function.
Background technology
At present, the inspection shaft lid that everybody knows is to be combined by an inspection shaft outer ring and a circular inner cap, and inner cap is set directly on the step of outer ring lower inner wall; Being provided with of inspection shaft lid mainly is the maintenance of being convenient to underground sewer and communication cable, existing inspection shaft lid is because without any safety prevention measure, have the following disadvantages in the use: 1, there is not anti-thefting facility, be easy to just well lid to be taken away, stolen phenomenon ubiquity not only causes economic loss, and constitutes potential safety hazard; 2, there is not locking function, when hydraulic pressure in the well or air pressure during greater than inner cap gravity, the phenomenon that well lid is opened by recoil will appear; 3, well lid stolen or by the recoil open after, do not have warning mark, cause the pedestrian easily and weigh down well and other traffic accidents.
Summary of the invention
At existing inspection shaft lid above shortcomings, the object of the present invention is to provide a kind of safety type inspection shaft lid with antitheft, anti-recoil, dangerous caution and anti-drop function,
The objective of the invention is to be achieved by the following technical programs, a kind of safe antitheft inspection shaft lid, comprise outer ring and inner cap, the bottom of outer ring inwall is provided with the step of placing inner cap, it is characterized in that, inwall side from upper surface, described outer ring is offered the semicolumn screwed hole vertically downward, offer the semicolumn screwed hole that cooperates with upper semi-circle male screw hole, outer ring on the circumferential wall of described inner cap, semicolumn screwed hole on the described outer ring with in the semicolumn screwed hole that covers form a full circle male screw hole, the full circle male screw locks bolt in the hole.
Further, the circumferential wall of described inner cap is provided with the right angle locked groove, and the circumferential inner wall of described outer ring is provided with the snap close that cooperates with the locking of described right angle locked groove.
Further, described right angle locked groove comprises that the horizontal segment locked groove is provided with vertically the section slot is at right angles crossing, and vertically the section slot is positioned at the below of horizontal segment locked groove, and vertically section slot is located at the end or the middle part of horizontal segment locked groove.
Further, the semicolumn screwed hole on the described outer ring is a greater part of cylindrical thread hole, in the semicolumn screwed hole that covers be a small half of cylindrical thread hole, the large semicircle male screw hole on the outer ring with in the small semicircle male screw hole that covers form a full circle male screw hole.
Further, on the base in described small semicircle male screw hole and on the inner cap circumferential wall of small semicircle male screw hole side one section continuous gear is set.
Further, an anti-fall net is set in the step inner ring of inwall bottom, outer ring, described anti-fall net is fixedly mounted on step inwall or bottom, outer ring.
Further, the described anti-fall alarming device that also is provided with on the net by telescopic spring, described alarming device comprises a stage clip of suit on a root post and the column cylinder, the reflection alarming board that the top fixed installation two sides square crossing of column is provided with, the bottom of described column is passed down through anti-fall net, and described stage clip is located between column end face and the anti-fall net; Described reflection alarming board is fixedly installed on the elastic support.
Further, elastic support is the right-angled triangle elastic support, and the angle of its base, right angle and hypotenuse is provided with torsion spring.
Beneficial effect: play antitheft and anti-recoil effect by the locking of outer ring and inner cap, the particularly combination of dual locking, make that the intensity that connects is higher, thoroughly stopping the stolen incident that is recoiled with quilt of inspection shaft lid takes place, the anti-fall net that flexible warning sign is housed is set below inner cap in addition, under the situation of well lid disappearance, warning sign is upspring automatically, play dangerous warning function, prevent the generation of accident, anti-fall net is as last one safety curtain of pedestrian, even fall into anti-fall on the net accidentally, also is unlikely to cause serious injury; Design science of the present invention is qualified, compact conformation, and protection is convenient to constructing operation comprehensively, has ensured the safety of national wealth and people's life well.
Description of drawings
Fig. 1 is the vertical view of inner cap;
Fig. 2 is the upward view of inner cap;
Fig. 3 is the vertical view of outer ring;
Fig. 4 is A-A sectional view of Fig. 3;
Fig. 5 is the vertical view of inner cap and outer ring assembling;
Fig. 6 is B-B sectional view of Fig. 5;
Fig. 7 is anti-fall net and alarming device assembled construction schematic diagram;
Fig. 8 is the general assembly structural representation of the embodiment of the invention;
Fig. 9 is the state diagram of removing after the inner cap alarming device is opened automatically;
Figure 10 is the part drawing of transmitting gear;
Figure 11 is the part drawing of lock bolt;
Among the figure: 1. outer ring, 2. inner cap, 3. anti-fall net, 4. bolt, 5. step, 6. snap close, 7. large semicircle male screw hole, 8. small semicircle male screw hole, 9. horizontal segment locked groove, 10. vertical section slot, 11. gears, 12. column, 13. platforms, 14. stage clips, 15. elastic support, 16. torsion springs, 17. otic placodes, 18. the reflection alarming board, 19. transmitting gears, 20. lock bolts.
The specific embodiment
As Fig. 5, shown in 6, a kind of safe antitheft inspection shaft lid, comprise outer ring 1 and inner cap 2, the bottom of outer ring 1 inwall is provided with the step 5 of placing inner cap 2, in conjunction with Fig. 3, shown in 4, the inwall side of 1 upper surface is offered a large semicircle male screw hole 7 vertically downward from the outer ring, in conjunction with Fig. 1, shown in 2, offer the small semicircle male screw hole 8 that cooperates with large semicircle male screw hole 7 on the outer ring on the circumferential wall of inner cap 2, large semicircle male screw hole 7 on the outer ring with in the small semicircle male screw hole 8 that covers form a full circle male screw hole, in conjunction with shown in Figure 11, lock bolt 20 cooperate to be installed in the full circle male screw hole to be connected as a single entity outer ring and inner cap and to reach antitheft and anti-recoil purpose, cylindrical thread hole that locking cooperates and lock bolt can be provided with one group according to the use needs, or are symmetrical arranged two groups, or uniform more than two groups.
As shown in Figure 2, the circumferential wall of inner cap 2 is provided with the right angle locked groove, the right angle locked groove comprises that horizontal segment locked groove 9 is provided with vertically section slot 10 is at right angles crossing, vertically section slot 10 is positioned at the below of horizontal segment locked groove 9, vertically section slot 10 is opened the bottom surface to inner cap downwards, vertically section slot 10 is located at the end or the middle part of horizontal segment locked groove 9, as shown in Figure 4, the circumferential inner wall of outer ring 1 is provided with the snap close 6 that cooperates with the locking of right angle locked groove, snap close 6 can be that the elasticity of spring is bumped pearl in being equipped with, also can be elastic lock tongue, can also be the protruding snap close of rigidity; When inner cap is installed, vertical section slot port of inner cap bottom surface aimed at snap close and pressed downward to, after snap close is inserted to vertical section slot root,, snap close is entered in the horizontal segment locked groove by the rotation inner cap, realize that inner cap cooperates with the locking of outer ring to reach antitheft and anti-recoil purpose, if the employing elastic lock can not insert from vertical section slot mouth, elastic lock is positioned at the below of horizontal segment locked groove, directly to pressing down, elastic lock can snap in the horizontal segment locked groove inner cap automatically; Release is got when covering, and must rotate inner cap earlier, makes snap close be positioned at vertical section slot, upwards takes out inner cap then; Snap close that locking cooperates and locked groove can be provided with one group according to the use needs, or are symmetrical arranged two groups, or uniform more than two groups.
As Fig. 1,2, shown in 5, realize that for the ease of rotating inner cap the inner cap locked groove cooperates with the locking of outer ring snap close and release is uncapped, on the base in small semicircle male screw hole and on the inner cap circumferential wall of small semicircle male screw hole side one section continuous gear 11 is being set, when inner cap locking is installed, on the outer ring, adorn a transmitting gear shown in Figure 10 19 that cogs and be meshed with the inner cap circumferential wall in the large semicircle male screw hole, driving inner cap by gear drive easily rotates, when the interior small semicircle male screw hole 8 that covers turn to the outer ring on large semicircle male screw hole 7 when forming a full circle male screw hole, locked groove and snap close reach best locked position, take off transmitting gear 19 then, lock bolt shown in Figure 11 20 is put into the position of taking off transmitting gear, lock bolt 20 with align after full circle male screw hole threaded engagement realize that locking is with fixing, when release is uncapped, take off lock bolt 20 earlier, transmitting gear 19 is packed in the full circle male screw hole, rotating the drive inner cap by gear easily rotates, inner cap turns to when vertical section slot aligns with snap close and reaches released state, can take off inner cap.
Shown in Fig. 7,8, an anti-fall net 3 is installed in step 5 inner rings of 1 inwall bottom, outer ring, the circumference of anti-fall net 3 is provided with the otic placode 17 that is used for fixing, bolt 4 passes otic placode 17 and is fixedly mounted on the step inwall, also can directly be fixed on the bottom surface, outer ring, or an interior step is set again at step 5 inner rings, anti-fall net is kept flat and adopts be bolted in this on step; Alarming device by telescopic spring also is set on the anti-fall net 3, alarming device comprises a stage clip 14 of suit on a root post 12 and column 12 cylinders, the top of column 12 is provided with a platform 13 between restriction stage clip 14 breathing zones, fix the elastic support 15 that two square crossings are provided with on the platform 13, reflection alarming board 18 is installed on the elastic support 15, the assurance four direction can both be seen the reflection alarming board, elastic support 15 is the right-angled triangle elastic support, the angle of its base, right angle and hypotenuse is provided with torsion spring 16, and stage clip is located between column top platform 13 and the anti-fall net 3.Inspection shaft covers under the intact situation, as shown in Figure 8, this device is compressed under the inner cap action of gravity in the inspection shaft outer ring below the inner cap, when the inspection shaft inner cap damage or stolen, recoiled lose after, as shown in Figure 9, this device loses the compressing of original inner cap gravity, and the reflection alarming board is upwards opened automatically under the effect of stage clip and elastic support and ejected the inspection shaft mouth, to reach the effect of safety instruction.Anti-fall net is as last one safety curtain of pedestrian, even fall into anti-fall on the net accidentally, also is unlikely to cause serious injury.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Any those of ordinary skill in the art, do not breaking away under the technical solution of the present invention scope situation, all can utilize the method and the technology contents of above-mentioned announcement that technical solution of the present invention is made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, be equal to replacements, equivalence changes and modify, all still belong in the scope that technical solution of the present invention protects.
Claims (9)
1. a safe antitheft inspection shaft covers, comprise outer ring and inner cap, the bottom of outer ring inwall is provided with the step of placing inner cap, it is characterized in that, inwall side from upper surface, described outer ring is offered the semicolumn screwed hole vertically downward, the circumferential wall of described inner cap upper surface is offered the semicolumn screwed hole that cooperates with upper semi-circle male screw hole, outer ring vertically downward, the semicolumn screwed hole on the described outer ring with in the semicolumn screwed hole that covers form a full circle male screw hole, the full circle male screw locks bolt in the hole.
2. a kind of safe antitheft inspection shaft lid according to claim 1 is characterized in that the circumferential wall of described inner cap is provided with the right angle locked groove, and the circumferential inner wall of described outer ring is provided with the snap close that cooperates with the locking of described right angle locked groove.
3. a kind of safe antitheft inspection shaft lid according to claim 2, it is characterized in that, described right angle locked groove comprises that the horizontal segment locked groove is provided with vertically the section slot is at right angles crossing, and vertically the section slot is positioned at the below of horizontal segment locked groove, and vertically section slot is located at the end or the middle part of horizontal segment locked groove.
4. a kind of safe antitheft inspection shaft lid according to claim 1 and 2, it is characterized in that, semicolumn screwed hole on the described outer ring is a greater part of cylindrical thread hole, in the semicolumn screwed hole that covers be a small half of cylindrical thread hole, the large semicircle male screw hole on the outer ring with in the small semicircle male screw hole that covers form a full circle male screw hole.
5. a kind of safe antitheft inspection shaft lid according to claim 4 is characterized in that, on the base in described small semicircle male screw hole and on the inner cap circumferential wall of small semicircle male screw hole side one section continuous gear is set.
6. a kind of safe antitheft inspection shaft lid according to claim 1 and 2 is characterized in that, an anti-fall net is set in the step inner ring of inwall bottom, outer ring, and described anti-fall net is fixedly mounted on step inwall or bottom, outer ring.
7. a kind of safe antitheft inspection shaft lid according to claim 6, it is characterized in that, the described anti-fall alarming device that also is provided with on the net by telescopic spring, described alarming device comprises a stage clip of suit on a root post and the column cylinder, the reflection alarming board that the top fixed installation two sides square crossing of column is provided with, the bottom of described column is passed down through anti-fall net, and described stage clip is located between column top and the anti-fall net.
8. a kind of safe antitheft inspection shaft lid according to claim 7 is characterized in that described reflection alarming board is fixedly installed on the elastic support.
9. a kind of safe antitheft inspection shaft lid according to claim 8 is characterized in that described elastic support is the right-angled triangle elastic support, and the angle of its base, right angle and hypotenuse is provided with torsion spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310187004.0A CN103225317B (en) | 2013-05-18 | 2013-05-18 | A kind of safe anti-theft manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310187004.0A CN103225317B (en) | 2013-05-18 | 2013-05-18 | A kind of safe anti-theft manhole cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103225317A true CN103225317A (en) | 2013-07-31 |
| CN103225317B CN103225317B (en) | 2015-08-12 |
Family
ID=48835942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310187004.0A Expired - Fee Related CN103225317B (en) | 2013-05-18 | 2013-05-18 | A kind of safe anti-theft manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103225317B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422514A (en) * | 2013-08-20 | 2013-12-04 | 刘慧� | Well lid |
| CN104863182A (en) * | 2015-05-19 | 2015-08-26 | 黄佳毅 | Safety protection washer device of road well lid |
| CN105735358A (en) * | 2016-02-19 | 2016-07-06 | 张星 | Safety well lid |
| CN107542113A (en) * | 2017-09-22 | 2018-01-05 | 浙江广和电器有限公司产品研发中心 | A kind of inspection well cover of belt sensor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1458350A (en) * | 2003-03-13 | 2003-11-26 | 杨淑梅 | Safety anti-theft manhole cover and ring |
| CN2677453Y (en) * | 2004-02-13 | 2005-02-09 | 李志华 | Anti-thefe manhole cover |
| CN2723524Y (en) * | 2004-08-13 | 2005-09-07 | 陈灿铧 | Anti-theft manhole cover with key |
| CN201016174Y (en) * | 2007-01-26 | 2008-02-06 | 陈家素 | Theft protection installation for town well cover and rain perforated strainer |
| CN201546240U (en) * | 2009-11-06 | 2010-08-11 | 张秀山 | Environment-friendly pickproof inspection well cover |
| JP2011012499A (en) * | 2009-07-03 | 2011-01-20 | Ntt Infranet Co Ltd | Blocking implement for lid opening tool insertion hole of underground-buried article |
| CN203222826U (en) * | 2013-05-18 | 2013-10-02 | 景水清 | Anti-theft inspection well cover |
-
2013
- 2013-05-18 CN CN201310187004.0A patent/CN103225317B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1458350A (en) * | 2003-03-13 | 2003-11-26 | 杨淑梅 | Safety anti-theft manhole cover and ring |
| CN2677453Y (en) * | 2004-02-13 | 2005-02-09 | 李志华 | Anti-thefe manhole cover |
| CN2723524Y (en) * | 2004-08-13 | 2005-09-07 | 陈灿铧 | Anti-theft manhole cover with key |
| CN201016174Y (en) * | 2007-01-26 | 2008-02-06 | 陈家素 | Theft protection installation for town well cover and rain perforated strainer |
| JP2011012499A (en) * | 2009-07-03 | 2011-01-20 | Ntt Infranet Co Ltd | Blocking implement for lid opening tool insertion hole of underground-buried article |
| CN201546240U (en) * | 2009-11-06 | 2010-08-11 | 张秀山 | Environment-friendly pickproof inspection well cover |
| CN203222826U (en) * | 2013-05-18 | 2013-10-02 | 景水清 | Anti-theft inspection well cover |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422514A (en) * | 2013-08-20 | 2013-12-04 | 刘慧� | Well lid |
| CN104863182A (en) * | 2015-05-19 | 2015-08-26 | 黄佳毅 | Safety protection washer device of road well lid |
| CN105735358A (en) * | 2016-02-19 | 2016-07-06 | 张星 | Safety well lid |
| CN105735358B (en) * | 2016-02-19 | 2017-12-29 | 张星 | A kind of Safety well cover |
| CN107542113A (en) * | 2017-09-22 | 2018-01-05 | 浙江广和电器有限公司产品研发中心 | A kind of inspection well cover of belt sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103225317B (en) | 2015-08-12 |
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Granted publication date: 20150812 |
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| CF01 | Termination of patent right due to non-payment of annual fee |