CN2791114Y - Manhole cover anti-theft device - Google Patents
Manhole cover anti-theft device Download PDFInfo
- Publication number
- CN2791114Y CN2791114Y CN 200520028632 CN200520028632U CN2791114Y CN 2791114 Y CN2791114 Y CN 2791114Y CN 200520028632 CN200520028632 CN 200520028632 CN 200520028632 U CN200520028632 U CN 200520028632U CN 2791114 Y CN2791114 Y CN 2791114Y
- Authority
- CN
- China
- Prior art keywords
- well lid
- well
- manhole cover
- cover
- fixed
- 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
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Abstract
The utility model relates to a manhole cover anti-theft device which comprises a manhole cover, a manhole base and a special wrench, wherein a cover lifting hole is arranged on the manhole cover. The bottom surface of the manhole cover is provided with a casing tube which corresponds to the cover lifting hole of the manhole cover and is provided with a baffle at the bottom end, the inner side of the lower end of the casing tube is provided with non-standard threads, the outer side of the lower end of the special wrench is provided with threads matched with the non-standard threads, or at least one cover lifting hole is arranged on the manhole cover. Fixed racks which are provided with gears and rack bars engaged with the gears are arranged at the bottom surface of the manhole cover and below the cover lifting hole, and the upright positions of the rack bars are lower than the lower edge of the manhole cover. Locks whose positions correspond to the cover lifting hole are fixed on the gears, and the outer edges of the locks are provided with the grooves. The bottom end of the special wrench is provided with convex heads matched with the grooves at the outer edges of the locks. The utility model has the characteristics of simple structure, convenient locking and unlocking of the manhole cover, high safety and reliability, thefts can not use hooks, etc. to steal the manhole cover, and the utility model is especially suitable for public service manholes.
Description
Technical field
The utility model relates to a kind of Manhole covers of communal facilities hoistway, especially a kind of anti-stealing manhole cover.
Background technology
At present, the civilian installation construction, as coal gas, heat supply, upper and lower conduit duct device, for overhaul, the Manhole covers that all is provided with well head easy for installation.But because society and problem of management, often there is well lid phenomenon such as to lose and takes place, not only cause damage, make troubles also for pedestrian, traffic safety to country.Existing anti-stealing manhole cover device, complex structure, it is convenient inadequately to use.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, and anti-theft device a kind of simple in structure, easy to use, reliable for effect is provided.
Above-mentioned purpose of the present utility model can be achieved through the following technical solutions: it includes well lid, well seat and special spanner.Described well lid is provided with the flip hole, the well lid bottom surface is provided with, bottom baffled sleeve pipe corresponding with the flip hole on the well lid, and the inboard, lower end of sleeve pipe is provided with odd-pitch screw; The outside, lower end of described special spanner is provided with the screw thread that matches with odd-pitch screw.
Described well lid underrun screw has fixed mount, and sleeve pipe is fixed on the cover tube fixing device.
The utility model can also be achieved through the following technical solutions: it includes well lid, well seat and special spanner.Described well lid is provided with at least one flip hole, the below in the bottom surface of well lid, flip hole is provided with the fixed mount of the tooth bar that gear is housed and is meshed with gear, the upright position of described tooth bar is lower than well seat lower edge, is fixed with the lock that its position is corresponding with the flip hole, its outer rim has groove on the described gear.Described special spanner bottom is provided with and locks the plush copper that the outer rim groove matches.
The central authorities of described lock are provided with bumper bar, and described special spanner central authorities are provided with the safety groove that matches with bumper bar.
Described lock is the five rings lock.
Described fixed mount is fixed in well lid by hold-down screw.
The beneficial effects of the utility model are:
The first, because the utility model is provided with the sleeve pipe that the bottom is provided with baffle plate in the well lid bottom, thereby when implementing theft with apparatus such as hooks, thief's attempt can't hook the base, be difficult to reach the purpose that levers up well lid; Be provided with odd-pitch screw owing to the utility model sleeve pipe inboard simultaneously, thereby have only and use the special spanner that matches with this sleeve just can open well lid, thereby it is stolen to guarantee that well lid is difficult for.
The second, because the utility model well lid bottom is provided with locking device, have only with special spanner and just can open this lock, thereby stealer is not having under the condition of special tool, can not reach the purpose of theft well lid, thereby guarantee the safety of well lid.
The 3rd, the utility model is simple in structure, and low cost of manufacture is easy to use, and is safe and reliable.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the structural representation sectional view of first kind of embodiment of the utility model.
Fig. 2 is the structural representation sectional drawing of second kind of embodiment of the utility model.
Fig. 3 be among Fig. 2 A-A to schematic diagram.
The specific embodiment
Embodiment one:
As shown in Figure 1, the utility model includes well lid 4, well seat 5 and special spanner 1.Described well lid 4 is provided with flip hole 9, well lid 4 bottom surfaces be provided with well lid 4 on the flip hole is 9 corresponding, the bottom is provided with baffle plate 17 sleeve pipe 7, the inboard, lower end of sleeve pipe 7 is provided with odd-pitch screw 8.The outside, bottom of described special spanner 1 is provided with the screw thread 3 that matches with odd-pitch screw 8.The bottom surface of well lid 4 is provided with fixed mount 2, and sleeve pipe 7 vertical fixing that have baffle plate 17 are on this fixed mount 2.Fixed mount 2 can be fixed on the well lid 4 by screw 6.
During installation, after at first will being fixed with fixed mount 2 that the bottom has the sleeve pipe 7 of baffle plate 17 and aiming at flip holes 9, be fixed on and cover 4 bottom surfaces, be fixed on then on the well seat 5 by screw 6.When opening well lid, utilize the special spanner 1 have odd-pitch screw 3, pass flip hole 9 and sleeve pipe 7, make odd-pitch screw 8 interlock mutually of odd-pitch screw 3 and inboard, sleeve pipe 7 lower end on the special spanner 1.Afterwards, limit rotary spanner 1, well lid 4 is lifted on the limit, thereby finishes the task of opening well lid 4 smoothly.
Embodiment two:
As shown in Figures 2 and 3, the utility model includes well lid 4, well seat 5 and special spanner 1.Be provided with two relative flip holes 9 near the outer rim place on the described well lid 4, be respectively arranged with the fixed mount 14 of the tooth bar 15 that gear 13 is housed and is meshed with gear 13 below the bottom of well lid 4, flip hole 9, described tooth bar 15 is positioned at the position that is lower than well seat 5 lower edges.Be fixed with its position on the described gear 13 and lock 10 with 9 five rings corresponding, that its outer rim has groove, flip hole, the central authorities of described five rings lock 10 are provided with bumper bar 12, described special spanner 1 bottom outer rim is provided with the five rings locks the plush copper that 10 outer rim grooves match, and the central authorities of spanner 1 are provided with the safety groove 16 that matches with bumper bar 12.Described fixed mount 14 is fixed in well lid 4 by hold-down screw 11.
Operating principle of the present utility model is: when the flip hole 9 that special spanner 1 passes through on the well lid 4, plush copper on spanner 1 end is stuck in the groove of five rings lock 10, when bumper bar 12 is inserted in 16 li of safety grooves, rotary spanner 1, drive 10 rotations of five rings lock, and then drive and to be fixed on gear 13 rotations that 10 lower ends are locked at the five rings, and the tooth bar 15 that is meshed with gear 13 is moved.When desiring locking well lid 4, rotary spanner 1 to the right, and gear 13 is turned right, and drives tooth bar 15 and outwards moves, and reach under well seat 5 lower edges, is stuck, to reach the purpose of pinning well lid 4.When desiring to open well lid 4, then opposite.
In the present embodiment, flip hole 9 on the described well lid 4 can be arranged on the well lid 4, be provided with below the bottom of well lid 4, flip hole 9 and gear 13 be housed and be located at gear 13 both sides respectively and the fixed mount 14 of mutual dislocation, the tooth bar 15 that is meshed with gear 13, described tooth bar 15 all is positioned at the position that is lower than well seat 5 lower edges.
During use, special spanner 1 is inserted 10 li on five rings lock, rotary spanner 1 drives 10 rotations of five rings lock, and then drives and be fixed on gear 13 rotations that 10 lower ends are locked at the five rings, and makes with two relative tooth bars 15 that gear 13 is meshed and move.When desiring locking well lid 4, rotary spanner 1 to the right, and gear 13 is turned right, and drives two tooth bars 15 and outwards moves, and reach under well seat 5 lower edges respectively, is stuck, to reach the purpose of pinning well lid 4.When desiring to open well lid 4, then opposite.
Claims (6)
1, a kind of well cover antitheft device, include well lid (4), well seat (5) and special spanner (1), it is characterized in that: described well lid (4) is provided with flip hole (9), well lid (4) bottom surface is provided with well lid (4) and goes up the sleeve pipe (7) that flip hole (9) is corresponding, the bottom is provided with baffle plate (17), the inboard, lower end of sleeve pipe (7) is provided with odd-pitch screw (8), and the outside, lower end of described special spanner (1) is provided with the screw thread (3) that matches with odd-pitch screw (8).
2. well cover antitheft device according to claim 1 is characterized in that: described well lid (4) underrun screw (6) is fixed with fixed mount (2), and sleeve pipe (7) is fixed on the cover tube fixing device (2).
3, a kind of well cover antitheft device, include well lid (4), well seat (5) and special spanner (1), it is characterized in that: described well lid (4) is provided with at least one flip hole (9), the bottom surface of well lid (4), the below in flip hole (9) is provided with the fixed mount (14) of the tooth bar (15) that gear (13) is housed and is meshed with gear (13), the upright position of described tooth bar (15) is lower than well seat (5) lower edge, it is corresponding with flip hole (9) to be fixed with its position on the described gear (13), its outer rim has the lock (10) of groove, and described special spanner (1) bottom outer rim is provided with and locks the plush copper that (10) outer rim groove matches.
4, well cover antitheft device according to claim 3 is characterized in that: the central authorities of described lock (10) are provided with bumper bar (12), and described special spanner (1) central authorities are provided with the safety groove (16) that matches with bumper bar (12).
5, well cover antitheft device according to claim 3 is characterized in that: described lock (10) is the five rings lock.
6, well cover antitheft device according to claim 3 is characterized in that: described fixed mount (14) is fixed in well lid (4) by hold-down screw (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520028632 CN2791114Y (en) | 2005-05-09 | 2005-05-09 | Manhole cover anti-theft device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520028632 CN2791114Y (en) | 2005-05-09 | 2005-05-09 | Manhole cover anti-theft device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2791114Y true CN2791114Y (en) | 2006-06-28 |
Family
ID=36807188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520028632 Expired - Fee Related CN2791114Y (en) | 2005-05-09 | 2005-05-09 | Manhole cover anti-theft device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2791114Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017100962A1 (en) * | 2015-12-14 | 2017-06-22 | 徐海军 | Anti-theft and anti-swap non-standard fastening piece |
| CN109577374A (en) * | 2018-11-20 | 2019-04-05 | 安徽普照照明环境工程有限公司 | A kind of anti-theft power well |
-
2005
- 2005-05-09 CN CN 200520028632 patent/CN2791114Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017100962A1 (en) * | 2015-12-14 | 2017-06-22 | 徐海军 | Anti-theft and anti-swap non-standard fastening piece |
| CN109577374A (en) * | 2018-11-20 | 2019-04-05 | 安徽普照照明环境工程有限公司 | A kind of anti-theft power well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |